1#!/bin/sh 2# 3# qemu configure script (c) 2003 Fabrice Bellard 4# 5 6# Unset some variables known to interfere with behavior of common tools, 7# just as autoconf does. 8CLICOLOR_FORCE= GREP_OPTIONS= 9unset CLICOLOR_FORCE GREP_OPTIONS 10 11# Don't allow CCACHE, if present, to use cached results of compile tests! 12export CCACHE_RECACHE=yes 13 14# make source path absolute 15source_path=$(cd "$(dirname -- "$0")"; pwd) 16 17if test "$PWD" = "$source_path" 18then 19 echo "Using './build' as the directory for build output" 20 21 MARKER=build/auto-created-by-configure 22 23 if test -e build 24 then 25 if test -f $MARKER 26 then 27 rm -rf build 28 else 29 echo "ERROR: ./build dir already exists and was not previously created by configure" 30 exit 1 31 fi 32 fi 33 34 mkdir build 35 touch $MARKER 36 37 cat > GNUmakefile <<'EOF' 38# This file is auto-generated by configure to support in-source tree 39# 'make' command invocation 40 41ifeq ($(MAKECMDGOALS),) 42recurse: all 43endif 44 45.NOTPARALLEL: % 46%: force 47 @echo 'changing dir to build for $(MAKE) "$(MAKECMDGOALS)"...' 48 @$(MAKE) -C build -f Makefile $(MAKECMDGOALS) 49 @if test "$(MAKECMDGOALS)" = "distclean" && \ 50 test -e build/auto-created-by-configure ; \ 51 then \ 52 rm -rf build GNUmakefile ; \ 53 fi 54force: ; 55.PHONY: force 56GNUmakefile: ; 57 58EOF 59 cd build 60 exec $source_path/configure "$@" 61fi 62 63# Temporary directory used for files created while 64# configure runs. Since it is in the build directory 65# we can safely blow away any previous version of it 66# (and we need not jump through hoops to try to delete 67# it when configure exits.) 68TMPDIR1="config-temp" 69rm -rf "${TMPDIR1}" 70mkdir -p "${TMPDIR1}" 71if [ $? -ne 0 ]; then 72 echo "ERROR: failed to create temporary directory" 73 exit 1 74fi 75 76TMPB="qemu-conf" 77TMPC="${TMPDIR1}/${TMPB}.c" 78TMPO="${TMPDIR1}/${TMPB}.o" 79TMPCXX="${TMPDIR1}/${TMPB}.cxx" 80TMPE="${TMPDIR1}/${TMPB}.exe" 81TMPTXT="${TMPDIR1}/${TMPB}.txt" 82 83rm -f config.log 84 85# Print a helpful header at the top of config.log 86echo "# QEMU configure log $(date)" >> config.log 87printf "# Configured with:" >> config.log 88printf " '%s'" "$0" "$@" >> config.log 89echo >> config.log 90echo "#" >> config.log 91 92quote_sh() { 93 printf "%s" "$1" | sed "s,','\\\\'',g; s,.*,'&'," 94} 95 96print_error() { 97 (echo 98 echo "ERROR: $1" 99 while test -n "$2"; do 100 echo " $2" 101 shift 102 done 103 echo) >&2 104} 105 106error_exit() { 107 print_error "$@" 108 exit 1 109} 110 111do_compiler() { 112 # Run the compiler, capturing its output to the log. First argument 113 # is compiler binary to execute. 114 compiler="$1" 115 shift 116 if test -n "$BASH_VERSION"; then eval ' 117 echo >>config.log " 118funcs: ${FUNCNAME[*]} 119lines: ${BASH_LINENO[*]}" 120 '; fi 121 echo $compiler "$@" >> config.log 122 $compiler "$@" >> config.log 2>&1 || return $? 123 # Test passed. If this is an --enable-werror build, rerun 124 # the test with -Werror and bail out if it fails. This 125 # makes warning-generating-errors in configure test code 126 # obvious to developers. 127 if test "$werror" != "yes"; then 128 return 0 129 fi 130 # Don't bother rerunning the compile if we were already using -Werror 131 case "$*" in 132 *-Werror*) 133 return 0 134 ;; 135 esac 136 echo $compiler -Werror "$@" >> config.log 137 $compiler -Werror "$@" >> config.log 2>&1 && return $? 138 error_exit "configure test passed without -Werror but failed with -Werror." \ 139 "This is probably a bug in the configure script. The failing command" \ 140 "will be at the bottom of config.log." \ 141 "You can run configure with --disable-werror to bypass this check." 142} 143 144do_cc() { 145 do_compiler "$cc" "$@" 146} 147 148do_cxx() { 149 do_compiler "$cxx" "$@" 150} 151 152# Append $2 to the variable named $1, with space separation 153add_to() { 154 eval $1=\${$1:+\"\$$1 \"}\$2 155} 156 157update_cxxflags() { 158 # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those 159 # options which some versions of GCC's C++ compiler complain about 160 # because they only make sense for C programs. 161 QEMU_CXXFLAGS="$QEMU_CXXFLAGS -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS" 162 CONFIGURE_CXXFLAGS=$(echo "$CONFIGURE_CFLAGS" | sed s/-std=gnu99/-std=gnu++11/) 163 for arg in $QEMU_CFLAGS; do 164 case $arg in 165 -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\ 166 -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls) 167 ;; 168 *) 169 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg 170 ;; 171 esac 172 done 173} 174 175compile_object() { 176 local_cflags="$1" 177 do_cc $CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC 178} 179 180compile_prog() { 181 local_cflags="$1" 182 local_ldflags="$2" 183 do_cc $CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC \ 184 $LDFLAGS $CONFIGURE_LDFLAGS $QEMU_LDFLAGS $local_ldflags 185} 186 187# symbolically link $1 to $2. Portable version of "ln -sf". 188symlink() { 189 rm -rf "$2" 190 mkdir -p "$(dirname "$2")" 191 ln -s "$1" "$2" 192} 193 194# check whether a command is available to this shell (may be either an 195# executable or a builtin) 196has() { 197 type "$1" >/dev/null 2>&1 198} 199 200version_ge () { 201 local_ver1=$(expr "$1" : '\([0-9.]*\)' | tr . ' ') 202 local_ver2=$(echo "$2" | tr . ' ') 203 while true; do 204 set x $local_ver1 205 local_first=${2-0} 206 # 'shift 2' if $2 is set, or 'shift' if $2 is not set 207 shift ${2:+2} 208 local_ver1=$* 209 set x $local_ver2 210 # the second argument finished, the first must be greater or equal 211 test $# = 1 && return 0 212 test $local_first -lt $2 && return 1 213 test $local_first -gt $2 && return 0 214 shift ${2:+2} 215 local_ver2=$* 216 done 217} 218 219have_backend () { 220 echo "$trace_backends" | grep "$1" >/dev/null 221} 222 223glob() { 224 eval test -z '"${1#'"$2"'}"' 225} 226 227ld_has() { 228 $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1 229} 230 231if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]"; 232then 233 error_exit "main directory cannot contain spaces nor colons" 234fi 235 236# default parameters 237cpu="" 238iasl="iasl" 239interp_prefix="/usr/gnemul/qemu-%M" 240static="no" 241cross_compile="no" 242cross_prefix="" 243audio_drv_list="" 244block_drv_rw_whitelist="" 245block_drv_ro_whitelist="" 246host_cc="cc" 247audio_win_int="" 248libs_qga="" 249debug_info="yes" 250lto="false" 251stack_protector="" 252safe_stack="" 253use_containers="yes" 254gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb") 255 256if test -e "$source_path/.git" 257then 258 git_submodules_action="update" 259 git_submodules="ui/keycodemapdb" 260 git_submodules="$git_submodules tests/fp/berkeley-testfloat-3" 261 git_submodules="$git_submodules tests/fp/berkeley-softfloat-3" 262else 263 git_submodules_action="ignore" 264 git_submodules="" 265 266 if ! test -f "$source_path/ui/keycodemapdb/README" 267 then 268 echo 269 echo "ERROR: missing file $source_path/ui/keycodemapdb/README" 270 echo 271 echo "This is not a GIT checkout but module content appears to" 272 echo "be missing. Do not use 'git archive' or GitHub download links" 273 echo "to acquire QEMU source archives. Non-GIT builds are only" 274 echo "supported with source archives linked from:" 275 echo 276 echo " https://www.qemu.org/download/#source" 277 echo 278 echo "Developers working with GIT can use scripts/archive-source.sh" 279 echo "if they need to create valid source archives." 280 echo 281 exit 1 282 fi 283fi 284git="git" 285 286# Don't accept a target_list environment variable. 287unset target_list 288unset target_list_exclude 289 290# Default value for a variable defining feature "foo". 291# * foo="no" feature will only be used if --enable-foo arg is given 292# * foo="" feature will be searched for, and if found, will be used 293# unless --disable-foo is given 294# * foo="yes" this value will only be set by --enable-foo flag. 295# feature will searched for, 296# if not found, configure exits with error 297# 298# Always add --enable-foo and --disable-foo command line args. 299# Distributions want to ensure that several features are compiled in, and it 300# is impossible without a --enable-foo that exits if a feature is not found. 301 302default_feature="" 303# parse CC options second 304for opt do 305 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 306 case "$opt" in 307 --without-default-features) 308 default_feature="no" 309 ;; 310 esac 311done 312 313brlapi="auto" 314curl="auto" 315iconv="auto" 316curses="auto" 317docs="auto" 318fdt="auto" 319netmap="no" 320sdl="auto" 321sdl_image="auto" 322coreaudio="auto" 323virtiofsd="auto" 324virtfs="auto" 325libudev="auto" 326mpath="auto" 327vnc="enabled" 328sparse="auto" 329vde="$default_feature" 330vnc_sasl="auto" 331vnc_jpeg="auto" 332vnc_png="auto" 333xkbcommon="auto" 334xen="$default_feature" 335xen_ctrl_version="$default_feature" 336xen_pci_passthrough="auto" 337linux_aio="$default_feature" 338linux_io_uring="$default_feature" 339cap_ng="auto" 340attr="auto" 341xfs="$default_feature" 342tcg="enabled" 343membarrier="$default_feature" 344vhost_net="$default_feature" 345vhost_crypto="$default_feature" 346vhost_scsi="$default_feature" 347vhost_vsock="$default_feature" 348vhost_user="no" 349vhost_user_blk_server="auto" 350vhost_user_fs="$default_feature" 351kvm="auto" 352hax="auto" 353hvf="auto" 354whpx="auto" 355nvmm="auto" 356rdma="$default_feature" 357pvrdma="$default_feature" 358gprof="no" 359debug_tcg="no" 360debug="no" 361sanitizers="no" 362tsan="no" 363fortify_source="$default_feature" 364strip_opt="yes" 365tcg_interpreter="false" 366bigendian="no" 367mingw32="no" 368gcov="no" 369EXESUF="" 370HOST_DSOSUF=".so" 371modules="no" 372module_upgrades="no" 373prefix="/usr/local" 374qemu_suffix="qemu" 375slirp="auto" 376oss_lib="" 377bsd="no" 378linux="no" 379solaris="no" 380profiler="no" 381cocoa="auto" 382softmmu="yes" 383linux_user="no" 384bsd_user="no" 385blobs="true" 386pkgversion="" 387pie="" 388qom_cast_debug="yes" 389trace_backends="log" 390trace_file="trace" 391spice="$default_feature" 392rbd="auto" 393smartcard="$default_feature" 394u2f="auto" 395libusb="$default_feature" 396usb_redir="$default_feature" 397opengl="$default_feature" 398cpuid_h="no" 399avx2_opt="$default_feature" 400capstone="auto" 401lzo="auto" 402snappy="auto" 403bzip2="auto" 404lzfse="auto" 405zstd="auto" 406guest_agent="$default_feature" 407guest_agent_with_vss="no" 408guest_agent_ntddscsi="no" 409guest_agent_msi="auto" 410vss_win32_sdk="$default_feature" 411win_sdk="no" 412want_tools="$default_feature" 413libiscsi="auto" 414libnfs="auto" 415coroutine="" 416coroutine_pool="$default_feature" 417debug_stack_usage="no" 418crypto_afalg="no" 419cfi="false" 420cfi_debug="false" 421seccomp="auto" 422glusterfs="auto" 423gtk="auto" 424tls_priority="NORMAL" 425gnutls="$default_feature" 426nettle="$default_feature" 427nettle_xts="no" 428gcrypt="$default_feature" 429gcrypt_hmac="no" 430gcrypt_xts="no" 431qemu_private_xts="yes" 432auth_pam="$default_feature" 433vte="$default_feature" 434virglrenderer="$default_feature" 435tpm="$default_feature" 436libssh="$default_feature" 437live_block_migration=${default_feature:-yes} 438numa="$default_feature" 439tcmalloc="no" 440jemalloc="no" 441replication=${default_feature:-yes} 442bochs=${default_feature:-yes} 443cloop=${default_feature:-yes} 444dmg=${default_feature:-yes} 445qcow1=${default_feature:-yes} 446vdi=${default_feature:-yes} 447vvfat=${default_feature:-yes} 448qed=${default_feature:-yes} 449parallels=${default_feature:-yes} 450libxml2="$default_feature" 451debug_mutex="no" 452libpmem="$default_feature" 453default_devices="true" 454plugins="no" 455fuzzing="no" 456rng_none="no" 457secret_keyring="$default_feature" 458libdaxctl="$default_feature" 459meson="" 460ninja="" 461skip_meson=no 462gettext="auto" 463fuse="auto" 464fuse_lseek="auto" 465multiprocess="auto" 466slirp_smbd="$default_feature" 467 468malloc_trim="auto" 469gio="$default_feature" 470 471# parse CC options second 472for opt do 473 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 474 case "$opt" in 475 --cross-prefix=*) cross_prefix="$optarg" 476 cross_compile="yes" 477 ;; 478 --cc=*) CC="$optarg" 479 ;; 480 --cxx=*) CXX="$optarg" 481 ;; 482 --cpu=*) cpu="$optarg" 483 ;; 484 --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg" 485 QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg" 486 ;; 487 --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg" 488 ;; 489 --extra-ldflags=*) QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg" 490 EXTRA_LDFLAGS="$optarg" 491 ;; 492 --enable-debug-info) debug_info="yes" 493 ;; 494 --disable-debug-info) debug_info="no" 495 ;; 496 --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option" 497 ;; 498 --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-flags-}; cc_arch=${cc_arch%%=*} 499 eval "cross_cc_cflags_${cc_arch}=\$optarg" 500 cross_cc_vars="$cross_cc_vars cross_cc_cflags_${cc_arch}" 501 ;; 502 --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*} 503 cc_archs="$cc_archs $cc_arch" 504 eval "cross_cc_${cc_arch}=\$optarg" 505 cross_cc_vars="$cross_cc_vars cross_cc_${cc_arch}" 506 ;; 507 esac 508done 509# OS specific 510# Using uname is really, really broken. Once we have the right set of checks 511# we can eliminate its usage altogether. 512 513# Preferred compiler: 514# ${CC} (if set) 515# ${cross_prefix}gcc (if cross-prefix specified) 516# system compiler 517if test -z "${CC}${cross_prefix}"; then 518 cc="$host_cc" 519else 520 cc="${CC-${cross_prefix}gcc}" 521fi 522 523if test -z "${CXX}${cross_prefix}"; then 524 cxx="c++" 525else 526 cxx="${CXX-${cross_prefix}g++}" 527fi 528 529ar="${AR-${cross_prefix}ar}" 530as="${AS-${cross_prefix}as}" 531ccas="${CCAS-$cc}" 532cpp="${CPP-$cc -E}" 533objcopy="${OBJCOPY-${cross_prefix}objcopy}" 534ld="${LD-${cross_prefix}ld}" 535ranlib="${RANLIB-${cross_prefix}ranlib}" 536nm="${NM-${cross_prefix}nm}" 537strip="${STRIP-${cross_prefix}strip}" 538windres="${WINDRES-${cross_prefix}windres}" 539pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}" 540query_pkg_config() { 541 "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@" 542} 543pkg_config=query_pkg_config 544sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}" 545 546# If the user hasn't specified ARFLAGS, default to 'rv', just as make does. 547ARFLAGS="${ARFLAGS-rv}" 548 549# default flags for all hosts 550# We use -fwrapv to tell the compiler that we require a C dialect where 551# left shift of signed integers is well defined and has the expected 552# 2s-complement style results. (Both clang and gcc agree that it 553# provides these semantics.) 554QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv $QEMU_CFLAGS" 555QEMU_CFLAGS="-Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS" 556QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS" 557QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS" 558 559# Flags that are needed during configure but later taken care of by Meson 560CONFIGURE_CFLAGS="-std=gnu99 -Wall" 561CONFIGURE_LDFLAGS= 562 563 564check_define() { 565cat > $TMPC <<EOF 566#if !defined($1) 567#error $1 not defined 568#endif 569int main(void) { return 0; } 570EOF 571 compile_object 572} 573 574check_include() { 575cat > $TMPC <<EOF 576#include <$1> 577int main(void) { return 0; } 578EOF 579 compile_object 580} 581 582write_c_skeleton() { 583 cat > $TMPC <<EOF 584int main(void) { return 0; } 585EOF 586} 587 588write_c_fuzzer_skeleton() { 589 cat > $TMPC <<EOF 590#include <stdint.h> 591#include <sys/types.h> 592int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size); 593int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; } 594EOF 595} 596 597if check_define __linux__ ; then 598 targetos="Linux" 599elif check_define _WIN32 ; then 600 targetos='MINGW32' 601elif check_define __OpenBSD__ ; then 602 targetos='OpenBSD' 603elif check_define __sun__ ; then 604 targetos='SunOS' 605elif check_define __HAIKU__ ; then 606 targetos='Haiku' 607elif check_define __FreeBSD__ ; then 608 targetos='FreeBSD' 609elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then 610 targetos='GNU/kFreeBSD' 611elif check_define __DragonFly__ ; then 612 targetos='DragonFly' 613elif check_define __NetBSD__; then 614 targetos='NetBSD' 615elif check_define __APPLE__; then 616 targetos='Darwin' 617else 618 # This is a fatal error, but don't report it yet, because we 619 # might be going to just print the --help text, or it might 620 # be the result of a missing compiler. 621 targetos='bogus' 622fi 623 624# Some host OSes need non-standard checks for which CPU to use. 625# Note that these checks are broken for cross-compilation: if you're 626# cross-compiling to one of these OSes then you'll need to specify 627# the correct CPU with the --cpu option. 628case $targetos in 629Darwin) 630 HOST_DSOSUF=".dylib" 631 ;; 632SunOS) 633 # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo 634 if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then 635 cpu="x86_64" 636 fi 637esac 638 639if test ! -z "$cpu" ; then 640 # command line argument 641 : 642elif check_define __i386__ ; then 643 cpu="i386" 644elif check_define __x86_64__ ; then 645 if check_define __ILP32__ ; then 646 cpu="x32" 647 else 648 cpu="x86_64" 649 fi 650elif check_define __sparc__ ; then 651 if check_define __arch64__ ; then 652 cpu="sparc64" 653 else 654 cpu="sparc" 655 fi 656elif check_define _ARCH_PPC ; then 657 if check_define _ARCH_PPC64 ; then 658 if check_define _LITTLE_ENDIAN ; then 659 cpu="ppc64le" 660 else 661 cpu="ppc64" 662 fi 663 else 664 cpu="ppc" 665 fi 666elif check_define __mips__ ; then 667 cpu="mips" 668elif check_define __s390__ ; then 669 if check_define __s390x__ ; then 670 cpu="s390x" 671 else 672 cpu="s390" 673 fi 674elif check_define __riscv ; then 675 if check_define _LP64 ; then 676 cpu="riscv64" 677 else 678 cpu="riscv32" 679 fi 680elif check_define __arm__ ; then 681 cpu="arm" 682elif check_define __aarch64__ ; then 683 cpu="aarch64" 684else 685 cpu=$(uname -m) 686fi 687 688ARCH= 689# Normalise host CPU name and set ARCH. 690# Note that this case should only have supported host CPUs, not guests. 691case "$cpu" in 692 ppc|ppc64|s390x|sparc64|x32|riscv32|riscv64) 693 ;; 694 ppc64le) 695 ARCH="ppc64" 696 ;; 697 i386|i486|i586|i686|i86pc|BePC) 698 cpu="i386" 699 ;; 700 x86_64|amd64) 701 cpu="x86_64" 702 ;; 703 armv*b|armv*l|arm) 704 cpu="arm" 705 ;; 706 aarch64) 707 cpu="aarch64" 708 ;; 709 mips*) 710 cpu="mips" 711 ;; 712 sparc|sun4[cdmuv]) 713 cpu="sparc" 714 ;; 715 *) 716 # This will result in either an error or falling back to TCI later 717 ARCH=unknown 718 ;; 719esac 720if test -z "$ARCH"; then 721 ARCH="$cpu" 722fi 723 724# OS specific 725 726case $targetos in 727MINGW32*) 728 mingw32="yes" 729 audio_possible_drivers="dsound sdl" 730 if check_include dsound.h; then 731 audio_drv_list="dsound" 732 else 733 audio_drv_list="" 734 fi 735 supported_os="yes" 736 pie="no" 737;; 738GNU/kFreeBSD) 739 bsd="yes" 740 audio_drv_list="oss try-sdl" 741 audio_possible_drivers="oss sdl pa" 742;; 743FreeBSD) 744 bsd="yes" 745 make="${MAKE-gmake}" 746 audio_drv_list="oss try-sdl" 747 audio_possible_drivers="oss sdl pa" 748 # needed for kinfo_getvmmap(3) in libutil.h 749 netmap="" # enable netmap autodetect 750;; 751DragonFly) 752 bsd="yes" 753 make="${MAKE-gmake}" 754 audio_drv_list="oss try-sdl" 755 audio_possible_drivers="oss sdl pa" 756;; 757NetBSD) 758 bsd="yes" 759 make="${MAKE-gmake}" 760 audio_drv_list="oss try-sdl" 761 audio_possible_drivers="oss sdl" 762 oss_lib="-lossaudio" 763;; 764OpenBSD) 765 bsd="yes" 766 make="${MAKE-gmake}" 767 audio_drv_list="try-sdl" 768 audio_possible_drivers="sdl" 769;; 770Darwin) 771 bsd="yes" 772 darwin="yes" 773 audio_drv_list="try-coreaudio try-sdl" 774 audio_possible_drivers="coreaudio sdl" 775 # Disable attempts to use ObjectiveC features in os/object.h since they 776 # won't work when we're compiling with gcc as a C compiler. 777 QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS" 778;; 779SunOS) 780 solaris="yes" 781 make="${MAKE-gmake}" 782 smbd="${SMBD-/usr/sfw/sbin/smbd}" 783 if test -f /usr/include/sys/soundcard.h ; then 784 audio_drv_list="oss try-sdl" 785 fi 786 audio_possible_drivers="oss sdl" 787# needed for CMSG_ macros in sys/socket.h 788 QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS" 789# needed for TIOCWIN* defines in termios.h 790 QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS" 791;; 792Haiku) 793 haiku="yes" 794 QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -D_BSD_SOURCE $QEMU_CFLAGS" 795;; 796Linux) 797 audio_drv_list="try-pa oss" 798 audio_possible_drivers="oss alsa sdl pa" 799 linux="yes" 800 linux_user="yes" 801 vhost_user=${default_feature:-yes} 802;; 803esac 804 805if [ "$bsd" = "yes" ] ; then 806 if [ "$darwin" != "yes" ] ; then 807 bsd_user="yes" 808 fi 809fi 810 811: ${make=${MAKE-make}} 812 813# We prefer python 3.x. A bare 'python' is traditionally 814# python 2.x, but some distros have it as python 3.x, so 815# we check that too 816python= 817explicit_python=no 818for binary in "${PYTHON-python3}" python 819do 820 if has "$binary" 821 then 822 python=$(command -v "$binary") 823 break 824 fi 825done 826 827 828# Check for ancillary tools used in testing 829genisoimage= 830for binary in genisoimage mkisofs 831do 832 if has $binary 833 then 834 genisoimage=$(command -v "$binary") 835 break 836 fi 837done 838 839# Default objcc to clang if available, otherwise use CC 840if has clang; then 841 objcc=clang 842else 843 objcc="$cc" 844fi 845 846if test "$mingw32" = "yes" ; then 847 EXESUF=".exe" 848 HOST_DSOSUF=".dll" 849 # MinGW needs -mthreads for TLS and macro _MT. 850 CONFIGURE_CFLAGS="-mthreads $CONFIGURE_CFLAGS" 851 write_c_skeleton; 852 prefix="/qemu" 853 qemu_suffix="" 854 libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga" 855fi 856 857werror="" 858 859for opt do 860 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 861 case "$opt" in 862 --help|-h) show_help=yes 863 ;; 864 --version|-V) exec cat $source_path/VERSION 865 ;; 866 --prefix=*) prefix="$optarg" 867 ;; 868 --interp-prefix=*) interp_prefix="$optarg" 869 ;; 870 --cross-prefix=*) 871 ;; 872 --cc=*) 873 ;; 874 --host-cc=*) host_cc="$optarg" 875 ;; 876 --cxx=*) 877 ;; 878 --iasl=*) iasl="$optarg" 879 ;; 880 --objcc=*) objcc="$optarg" 881 ;; 882 --make=*) make="$optarg" 883 ;; 884 --install=*) 885 ;; 886 --python=*) python="$optarg" ; explicit_python=yes 887 ;; 888 --sphinx-build=*) sphinx_build="$optarg" 889 ;; 890 --skip-meson) skip_meson=yes 891 ;; 892 --meson=*) meson="$optarg" 893 ;; 894 --ninja=*) ninja="$optarg" 895 ;; 896 --smbd=*) smbd="$optarg" 897 ;; 898 --extra-cflags=*) 899 ;; 900 --extra-cxxflags=*) 901 ;; 902 --extra-ldflags=*) 903 ;; 904 --enable-debug-info) 905 ;; 906 --disable-debug-info) 907 ;; 908 --cross-cc-*) 909 ;; 910 --enable-modules) 911 modules="yes" 912 ;; 913 --disable-modules) 914 modules="no" 915 ;; 916 --disable-module-upgrades) module_upgrades="no" 917 ;; 918 --enable-module-upgrades) module_upgrades="yes" 919 ;; 920 --cpu=*) 921 ;; 922 --target-list=*) target_list="$optarg" 923 if test "$target_list_exclude"; then 924 error_exit "Can't mix --target-list with --target-list-exclude" 925 fi 926 ;; 927 --target-list-exclude=*) target_list_exclude="$optarg" 928 if test "$target_list"; then 929 error_exit "Can't mix --target-list-exclude with --target-list" 930 fi 931 ;; 932 --enable-trace-backends=*) trace_backends="$optarg" 933 ;; 934 # XXX: backwards compatibility 935 --enable-trace-backend=*) trace_backends="$optarg" 936 ;; 937 --with-trace-file=*) trace_file="$optarg" 938 ;; 939 --with-default-devices) default_devices="true" 940 ;; 941 --without-default-devices) default_devices="false" 942 ;; 943 --without-default-features) # processed above 944 ;; 945 --enable-gprof) gprof="yes" 946 ;; 947 --enable-gcov) gcov="yes" 948 ;; 949 --static) 950 static="yes" 951 QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS" 952 ;; 953 --mandir=*) mandir="$optarg" 954 ;; 955 --bindir=*) bindir="$optarg" 956 ;; 957 --libdir=*) libdir="$optarg" 958 ;; 959 --libexecdir=*) libexecdir="$optarg" 960 ;; 961 --includedir=*) includedir="$optarg" 962 ;; 963 --datadir=*) datadir="$optarg" 964 ;; 965 --with-suffix=*) qemu_suffix="$optarg" 966 ;; 967 --docdir=*) docdir="$optarg" 968 ;; 969 --localedir=*) localedir="$optarg" 970 ;; 971 --sysconfdir=*) sysconfdir="$optarg" 972 ;; 973 --localstatedir=*) local_statedir="$optarg" 974 ;; 975 --firmwarepath=*) firmwarepath="$optarg" 976 ;; 977 --host=*|--build=*|\ 978 --disable-dependency-tracking|\ 979 --sbindir=*|--sharedstatedir=*|\ 980 --oldincludedir=*|--datarootdir=*|--infodir=*|\ 981 --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*) 982 # These switches are silently ignored, for compatibility with 983 # autoconf-generated configure scripts. This allows QEMU's 984 # configure to be used by RPM and similar macros that set 985 # lots of directory switches by default. 986 ;; 987 --disable-sdl) sdl="disabled" 988 ;; 989 --enable-sdl) sdl="enabled" 990 ;; 991 --disable-sdl-image) sdl_image="disabled" 992 ;; 993 --enable-sdl-image) sdl_image="enabled" 994 ;; 995 --disable-qom-cast-debug) qom_cast_debug="no" 996 ;; 997 --enable-qom-cast-debug) qom_cast_debug="yes" 998 ;; 999 --disable-virtfs) virtfs="disabled" 1000 ;; 1001 --enable-virtfs) virtfs="enabled" 1002 ;; 1003 --disable-libudev) libudev="disabled" 1004 ;; 1005 --enable-libudev) libudev="enabled" 1006 ;; 1007 --disable-virtiofsd) virtiofsd="disabled" 1008 ;; 1009 --enable-virtiofsd) virtiofsd="enabled" 1010 ;; 1011 --disable-mpath) mpath="disabled" 1012 ;; 1013 --enable-mpath) mpath="enabled" 1014 ;; 1015 --disable-vnc) vnc="disabled" 1016 ;; 1017 --enable-vnc) vnc="enabled" 1018 ;; 1019 --disable-gettext) gettext="disabled" 1020 ;; 1021 --enable-gettext) gettext="enabled" 1022 ;; 1023 --oss-lib=*) oss_lib="$optarg" 1024 ;; 1025 --audio-drv-list=*) audio_drv_list="$optarg" 1026 ;; 1027 --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g') 1028 ;; 1029 --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g') 1030 ;; 1031 --enable-debug-tcg) debug_tcg="yes" 1032 ;; 1033 --disable-debug-tcg) debug_tcg="no" 1034 ;; 1035 --enable-debug) 1036 # Enable debugging options that aren't excessively noisy 1037 debug_tcg="yes" 1038 debug_mutex="yes" 1039 debug="yes" 1040 strip_opt="no" 1041 fortify_source="no" 1042 ;; 1043 --enable-sanitizers) sanitizers="yes" 1044 ;; 1045 --disable-sanitizers) sanitizers="no" 1046 ;; 1047 --enable-tsan) tsan="yes" 1048 ;; 1049 --disable-tsan) tsan="no" 1050 ;; 1051 --enable-sparse) sparse="enabled" 1052 ;; 1053 --disable-sparse) sparse="disabled" 1054 ;; 1055 --disable-strip) strip_opt="no" 1056 ;; 1057 --disable-vnc-sasl) vnc_sasl="disabled" 1058 ;; 1059 --enable-vnc-sasl) vnc_sasl="enabled" 1060 ;; 1061 --disable-vnc-jpeg) vnc_jpeg="disabled" 1062 ;; 1063 --enable-vnc-jpeg) vnc_jpeg="enabled" 1064 ;; 1065 --disable-vnc-png) vnc_png="disabled" 1066 ;; 1067 --enable-vnc-png) vnc_png="enabled" 1068 ;; 1069 --disable-slirp) slirp="disabled" 1070 ;; 1071 --enable-slirp) slirp="enabled" 1072 ;; 1073 --enable-slirp=git) slirp="internal" 1074 ;; 1075 --enable-slirp=system) slirp="system" 1076 ;; 1077 --disable-vde) vde="no" 1078 ;; 1079 --enable-vde) vde="yes" 1080 ;; 1081 --disable-netmap) netmap="no" 1082 ;; 1083 --enable-netmap) netmap="yes" 1084 ;; 1085 --disable-xen) xen="disabled" 1086 ;; 1087 --enable-xen) xen="enabled" 1088 ;; 1089 --disable-xen-pci-passthrough) xen_pci_passthrough="disabled" 1090 ;; 1091 --enable-xen-pci-passthrough) xen_pci_passthrough="enabled" 1092 ;; 1093 --disable-brlapi) brlapi="disabled" 1094 ;; 1095 --enable-brlapi) brlapi="enabled" 1096 ;; 1097 --disable-kvm) kvm="disabled" 1098 ;; 1099 --enable-kvm) kvm="enabled" 1100 ;; 1101 --disable-hax) hax="disabled" 1102 ;; 1103 --enable-hax) hax="enabled" 1104 ;; 1105 --disable-hvf) hvf="disabled" 1106 ;; 1107 --enable-hvf) hvf="enabled" 1108 ;; 1109 --disable-nvmm) nvmm="disabled" 1110 ;; 1111 --enable-nvmm) nvmm="enabled" 1112 ;; 1113 --disable-whpx) whpx="disabled" 1114 ;; 1115 --enable-whpx) whpx="enabled" 1116 ;; 1117 --disable-tcg-interpreter) tcg_interpreter="false" 1118 ;; 1119 --enable-tcg-interpreter) tcg_interpreter="true" 1120 ;; 1121 --disable-cap-ng) cap_ng="disabled" 1122 ;; 1123 --enable-cap-ng) cap_ng="enabled" 1124 ;; 1125 --disable-tcg) tcg="disabled" 1126 ;; 1127 --enable-tcg) tcg="enabled" 1128 ;; 1129 --disable-malloc-trim) malloc_trim="disabled" 1130 ;; 1131 --enable-malloc-trim) malloc_trim="enabled" 1132 ;; 1133 --disable-spice) spice="no" 1134 ;; 1135 --enable-spice) spice="yes" 1136 ;; 1137 --disable-libiscsi) libiscsi="disabled" 1138 ;; 1139 --enable-libiscsi) libiscsi="enabled" 1140 ;; 1141 --disable-libnfs) libnfs="disabled" 1142 ;; 1143 --enable-libnfs) libnfs="enabled" 1144 ;; 1145 --enable-profiler) profiler="yes" 1146 ;; 1147 --disable-cocoa) cocoa="disabled" 1148 ;; 1149 --enable-cocoa) cocoa="enabled" 1150 ;; 1151 --disable-system) softmmu="no" 1152 ;; 1153 --enable-system) softmmu="yes" 1154 ;; 1155 --disable-user) 1156 linux_user="no" ; 1157 bsd_user="no" ; 1158 ;; 1159 --enable-user) ;; 1160 --disable-linux-user) linux_user="no" 1161 ;; 1162 --enable-linux-user) linux_user="yes" 1163 ;; 1164 --disable-bsd-user) bsd_user="no" 1165 ;; 1166 --enable-bsd-user) bsd_user="yes" 1167 ;; 1168 --enable-pie) pie="yes" 1169 ;; 1170 --disable-pie) pie="no" 1171 ;; 1172 --enable-werror) werror="yes" 1173 ;; 1174 --disable-werror) werror="no" 1175 ;; 1176 --enable-lto) lto="true" 1177 ;; 1178 --disable-lto) lto="false" 1179 ;; 1180 --enable-stack-protector) stack_protector="yes" 1181 ;; 1182 --disable-stack-protector) stack_protector="no" 1183 ;; 1184 --enable-safe-stack) safe_stack="yes" 1185 ;; 1186 --disable-safe-stack) safe_stack="no" 1187 ;; 1188 --enable-cfi) 1189 cfi="true"; 1190 lto="true"; 1191 ;; 1192 --disable-cfi) cfi="false" 1193 ;; 1194 --enable-cfi-debug) cfi_debug="true" 1195 ;; 1196 --disable-cfi-debug) cfi_debug="false" 1197 ;; 1198 --disable-curses) curses="disabled" 1199 ;; 1200 --enable-curses) curses="enabled" 1201 ;; 1202 --disable-iconv) iconv="disabled" 1203 ;; 1204 --enable-iconv) iconv="enabled" 1205 ;; 1206 --disable-curl) curl="disabled" 1207 ;; 1208 --enable-curl) curl="enabled" 1209 ;; 1210 --disable-fdt) fdt="disabled" 1211 ;; 1212 --enable-fdt) fdt="enabled" 1213 ;; 1214 --enable-fdt=git) fdt="internal" 1215 ;; 1216 --enable-fdt=system) fdt="system" 1217 ;; 1218 --disable-linux-aio) linux_aio="no" 1219 ;; 1220 --enable-linux-aio) linux_aio="yes" 1221 ;; 1222 --disable-linux-io-uring) linux_io_uring="no" 1223 ;; 1224 --enable-linux-io-uring) linux_io_uring="yes" 1225 ;; 1226 --disable-attr) attr="disabled" 1227 ;; 1228 --enable-attr) attr="enabled" 1229 ;; 1230 --disable-membarrier) membarrier="no" 1231 ;; 1232 --enable-membarrier) membarrier="yes" 1233 ;; 1234 --disable-blobs) blobs="false" 1235 ;; 1236 --with-pkgversion=*) pkgversion="$optarg" 1237 ;; 1238 --with-coroutine=*) coroutine="$optarg" 1239 ;; 1240 --disable-coroutine-pool) coroutine_pool="no" 1241 ;; 1242 --enable-coroutine-pool) coroutine_pool="yes" 1243 ;; 1244 --enable-debug-stack-usage) debug_stack_usage="yes" 1245 ;; 1246 --enable-crypto-afalg) crypto_afalg="yes" 1247 ;; 1248 --disable-crypto-afalg) crypto_afalg="no" 1249 ;; 1250 --disable-docs) docs="disabled" 1251 ;; 1252 --enable-docs) docs="enabled" 1253 ;; 1254 --disable-vhost-net) vhost_net="no" 1255 ;; 1256 --enable-vhost-net) vhost_net="yes" 1257 ;; 1258 --disable-vhost-crypto) vhost_crypto="no" 1259 ;; 1260 --enable-vhost-crypto) vhost_crypto="yes" 1261 ;; 1262 --disable-vhost-scsi) vhost_scsi="no" 1263 ;; 1264 --enable-vhost-scsi) vhost_scsi="yes" 1265 ;; 1266 --disable-vhost-vsock) vhost_vsock="no" 1267 ;; 1268 --enable-vhost-vsock) vhost_vsock="yes" 1269 ;; 1270 --disable-vhost-user-blk-server) vhost_user_blk_server="disabled" 1271 ;; 1272 --enable-vhost-user-blk-server) vhost_user_blk_server="enabled" 1273 ;; 1274 --disable-vhost-user-fs) vhost_user_fs="no" 1275 ;; 1276 --enable-vhost-user-fs) vhost_user_fs="yes" 1277 ;; 1278 --disable-opengl) opengl="no" 1279 ;; 1280 --enable-opengl) opengl="yes" 1281 ;; 1282 --disable-rbd) rbd="disabled" 1283 ;; 1284 --enable-rbd) rbd="enabled" 1285 ;; 1286 --disable-xfsctl) xfs="no" 1287 ;; 1288 --enable-xfsctl) xfs="yes" 1289 ;; 1290 --disable-smartcard) smartcard="no" 1291 ;; 1292 --enable-smartcard) smartcard="yes" 1293 ;; 1294 --disable-u2f) u2f="disabled" 1295 ;; 1296 --enable-u2f) u2f="enabled" 1297 ;; 1298 --disable-libusb) libusb="no" 1299 ;; 1300 --enable-libusb) libusb="yes" 1301 ;; 1302 --disable-usb-redir) usb_redir="no" 1303 ;; 1304 --enable-usb-redir) usb_redir="yes" 1305 ;; 1306 --disable-zlib-test) 1307 ;; 1308 --disable-lzo) lzo="disabled" 1309 ;; 1310 --enable-lzo) lzo="enabled" 1311 ;; 1312 --disable-snappy) snappy="disabled" 1313 ;; 1314 --enable-snappy) snappy="enabled" 1315 ;; 1316 --disable-bzip2) bzip2="disabled" 1317 ;; 1318 --enable-bzip2) bzip2="enabled" 1319 ;; 1320 --enable-lzfse) lzfse="enabled" 1321 ;; 1322 --disable-lzfse) lzfse="disabled" 1323 ;; 1324 --disable-zstd) zstd="disabled" 1325 ;; 1326 --enable-zstd) zstd="enabled" 1327 ;; 1328 --enable-guest-agent) guest_agent="yes" 1329 ;; 1330 --disable-guest-agent) guest_agent="no" 1331 ;; 1332 --enable-guest-agent-msi) guest_agent_msi="enabled" 1333 ;; 1334 --disable-guest-agent-msi) guest_agent_msi="disabled" 1335 ;; 1336 --with-vss-sdk) vss_win32_sdk="" 1337 ;; 1338 --with-vss-sdk=*) vss_win32_sdk="$optarg" 1339 ;; 1340 --without-vss-sdk) vss_win32_sdk="no" 1341 ;; 1342 --with-win-sdk) win_sdk="" 1343 ;; 1344 --with-win-sdk=*) win_sdk="$optarg" 1345 ;; 1346 --without-win-sdk) win_sdk="no" 1347 ;; 1348 --enable-tools) want_tools="yes" 1349 ;; 1350 --disable-tools) want_tools="no" 1351 ;; 1352 --enable-seccomp) seccomp="enabled" 1353 ;; 1354 --disable-seccomp) seccomp="disabled" 1355 ;; 1356 --disable-glusterfs) glusterfs="disabled" 1357 ;; 1358 --disable-avx2) avx2_opt="no" 1359 ;; 1360 --enable-avx2) avx2_opt="yes" 1361 ;; 1362 --disable-avx512f) avx512f_opt="no" 1363 ;; 1364 --enable-avx512f) avx512f_opt="yes" 1365 ;; 1366 1367 --enable-glusterfs) glusterfs="enabled" 1368 ;; 1369 --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane) 1370 echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2 1371 ;; 1372 --enable-vhdx|--disable-vhdx) 1373 echo "$0: $opt is obsolete, VHDX driver is always built" >&2 1374 ;; 1375 --enable-uuid|--disable-uuid) 1376 echo "$0: $opt is obsolete, UUID support is always built" >&2 1377 ;; 1378 --disable-gtk) gtk="disabled" 1379 ;; 1380 --enable-gtk) gtk="enabled" 1381 ;; 1382 --tls-priority=*) tls_priority="$optarg" 1383 ;; 1384 --disable-gnutls) gnutls="no" 1385 ;; 1386 --enable-gnutls) gnutls="yes" 1387 ;; 1388 --disable-nettle) nettle="no" 1389 ;; 1390 --enable-nettle) nettle="yes" 1391 ;; 1392 --disable-gcrypt) gcrypt="no" 1393 ;; 1394 --enable-gcrypt) gcrypt="yes" 1395 ;; 1396 --disable-auth-pam) auth_pam="no" 1397 ;; 1398 --enable-auth-pam) auth_pam="yes" 1399 ;; 1400 --enable-rdma) rdma="yes" 1401 ;; 1402 --disable-rdma) rdma="no" 1403 ;; 1404 --enable-pvrdma) pvrdma="yes" 1405 ;; 1406 --disable-pvrdma) pvrdma="no" 1407 ;; 1408 --disable-vte) vte="no" 1409 ;; 1410 --enable-vte) vte="yes" 1411 ;; 1412 --disable-virglrenderer) virglrenderer="no" 1413 ;; 1414 --enable-virglrenderer) virglrenderer="yes" 1415 ;; 1416 --disable-tpm) tpm="no" 1417 ;; 1418 --enable-tpm) tpm="yes" 1419 ;; 1420 --disable-libssh) libssh="no" 1421 ;; 1422 --enable-libssh) libssh="yes" 1423 ;; 1424 --disable-live-block-migration) live_block_migration="no" 1425 ;; 1426 --enable-live-block-migration) live_block_migration="yes" 1427 ;; 1428 --disable-numa) numa="no" 1429 ;; 1430 --enable-numa) numa="yes" 1431 ;; 1432 --disable-libxml2) libxml2="no" 1433 ;; 1434 --enable-libxml2) libxml2="yes" 1435 ;; 1436 --disable-tcmalloc) tcmalloc="no" 1437 ;; 1438 --enable-tcmalloc) tcmalloc="yes" 1439 ;; 1440 --disable-jemalloc) jemalloc="no" 1441 ;; 1442 --enable-jemalloc) jemalloc="yes" 1443 ;; 1444 --disable-replication) replication="no" 1445 ;; 1446 --enable-replication) replication="yes" 1447 ;; 1448 --disable-bochs) bochs="no" 1449 ;; 1450 --enable-bochs) bochs="yes" 1451 ;; 1452 --disable-cloop) cloop="no" 1453 ;; 1454 --enable-cloop) cloop="yes" 1455 ;; 1456 --disable-dmg) dmg="no" 1457 ;; 1458 --enable-dmg) dmg="yes" 1459 ;; 1460 --disable-qcow1) qcow1="no" 1461 ;; 1462 --enable-qcow1) qcow1="yes" 1463 ;; 1464 --disable-vdi) vdi="no" 1465 ;; 1466 --enable-vdi) vdi="yes" 1467 ;; 1468 --disable-vvfat) vvfat="no" 1469 ;; 1470 --enable-vvfat) vvfat="yes" 1471 ;; 1472 --disable-qed) qed="no" 1473 ;; 1474 --enable-qed) qed="yes" 1475 ;; 1476 --disable-parallels) parallels="no" 1477 ;; 1478 --enable-parallels) parallels="yes" 1479 ;; 1480 --disable-vhost-user) vhost_user="no" 1481 ;; 1482 --enable-vhost-user) vhost_user="yes" 1483 ;; 1484 --disable-vhost-vdpa) vhost_vdpa="no" 1485 ;; 1486 --enable-vhost-vdpa) vhost_vdpa="yes" 1487 ;; 1488 --disable-vhost-kernel) vhost_kernel="no" 1489 ;; 1490 --enable-vhost-kernel) vhost_kernel="yes" 1491 ;; 1492 --disable-capstone) capstone="disabled" 1493 ;; 1494 --enable-capstone) capstone="enabled" 1495 ;; 1496 --enable-capstone=git) capstone="internal" 1497 ;; 1498 --enable-capstone=system) capstone="system" 1499 ;; 1500 --with-git=*) git="$optarg" 1501 ;; 1502 --enable-git-update) 1503 git_submodules_action="update" 1504 echo "--enable-git-update deprecated, use --with-git-submodules=update" 1505 ;; 1506 --disable-git-update) 1507 git_submodules_action="validate" 1508 echo "--disable-git-update deprecated, use --with-git-submodules=validate" 1509 ;; 1510 --with-git-submodules=*) 1511 git_submodules_action="$optarg" 1512 ;; 1513 --enable-debug-mutex) debug_mutex=yes 1514 ;; 1515 --disable-debug-mutex) debug_mutex=no 1516 ;; 1517 --enable-libpmem) libpmem=yes 1518 ;; 1519 --disable-libpmem) libpmem=no 1520 ;; 1521 --enable-xkbcommon) xkbcommon="enabled" 1522 ;; 1523 --disable-xkbcommon) xkbcommon="disabled" 1524 ;; 1525 --enable-plugins) plugins="yes" 1526 ;; 1527 --disable-plugins) plugins="no" 1528 ;; 1529 --enable-containers) use_containers="yes" 1530 ;; 1531 --disable-containers) use_containers="no" 1532 ;; 1533 --enable-fuzzing) fuzzing=yes 1534 ;; 1535 --disable-fuzzing) fuzzing=no 1536 ;; 1537 --gdb=*) gdb_bin="$optarg" 1538 ;; 1539 --enable-rng-none) rng_none=yes 1540 ;; 1541 --disable-rng-none) rng_none=no 1542 ;; 1543 --enable-keyring) secret_keyring="yes" 1544 ;; 1545 --disable-keyring) secret_keyring="no" 1546 ;; 1547 --enable-libdaxctl) libdaxctl=yes 1548 ;; 1549 --disable-libdaxctl) libdaxctl=no 1550 ;; 1551 --enable-fuse) fuse="enabled" 1552 ;; 1553 --disable-fuse) fuse="disabled" 1554 ;; 1555 --enable-fuse-lseek) fuse_lseek="enabled" 1556 ;; 1557 --disable-fuse-lseek) fuse_lseek="disabled" 1558 ;; 1559 --enable-multiprocess) multiprocess="enabled" 1560 ;; 1561 --disable-multiprocess) multiprocess="disabled" 1562 ;; 1563 --enable-gio) gio=yes 1564 ;; 1565 --disable-gio) gio=no 1566 ;; 1567 --enable-slirp-smbd) slirp_smbd=yes 1568 ;; 1569 --disable-slirp-smbd) slirp_smbd=no 1570 ;; 1571 *) 1572 echo "ERROR: unknown option $opt" 1573 echo "Try '$0 --help' for more information" 1574 exit 1 1575 ;; 1576 esac 1577done 1578 1579case $git_submodules_action in 1580 update|validate) 1581 if test ! -e "$source_path/.git"; then 1582 echo "ERROR: cannot $git_submodules_action git submodules without .git" 1583 exit 1 1584 fi 1585 ;; 1586 ignore) 1587 ;; 1588 *) 1589 echo "ERROR: invalid --with-git-submodules= value '$git_submodules_action'" 1590 exit 1 1591 ;; 1592esac 1593 1594libdir="${libdir:-$prefix/lib}" 1595libexecdir="${libexecdir:-$prefix/libexec}" 1596includedir="${includedir:-$prefix/include}" 1597 1598if test "$mingw32" = "yes" ; then 1599 bindir="${bindir:-$prefix}" 1600else 1601 bindir="${bindir:-$prefix/bin}" 1602fi 1603mandir="${mandir:-$prefix/share/man}" 1604datadir="${datadir:-$prefix/share}" 1605docdir="${docdir:-$prefix/share/doc}" 1606sysconfdir="${sysconfdir:-$prefix/etc}" 1607local_statedir="${local_statedir:-$prefix/var}" 1608firmwarepath="${firmwarepath:-$datadir/qemu-firmware}" 1609localedir="${localedir:-$datadir/locale}" 1610 1611case "$cpu" in 1612 ppc) 1613 CPU_CFLAGS="-m32" 1614 QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS" 1615 ;; 1616 ppc64) 1617 CPU_CFLAGS="-m64" 1618 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS" 1619 ;; 1620 sparc) 1621 CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc" 1622 QEMU_LDFLAGS="-m32 -mv8plus $QEMU_LDFLAGS" 1623 ;; 1624 sparc64) 1625 CPU_CFLAGS="-m64 -mcpu=ultrasparc" 1626 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS" 1627 ;; 1628 s390) 1629 CPU_CFLAGS="-m31" 1630 QEMU_LDFLAGS="-m31 $QEMU_LDFLAGS" 1631 ;; 1632 s390x) 1633 CPU_CFLAGS="-m64" 1634 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS" 1635 ;; 1636 i386) 1637 CPU_CFLAGS="-m32" 1638 QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS" 1639 ;; 1640 x86_64) 1641 # ??? Only extremely old AMD cpus do not have cmpxchg16b. 1642 # If we truly care, we should simply detect this case at 1643 # runtime and generate the fallback to serial emulation. 1644 CPU_CFLAGS="-m64 -mcx16" 1645 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS" 1646 ;; 1647 x32) 1648 CPU_CFLAGS="-mx32" 1649 QEMU_LDFLAGS="-mx32 $QEMU_LDFLAGS" 1650 ;; 1651 # No special flags required for other host CPUs 1652esac 1653 1654eval "cross_cc_${cpu}=\$host_cc" 1655cross_cc_vars="$cross_cc_vars cross_cc_${cpu}" 1656QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS" 1657 1658# For user-mode emulation the host arch has to be one we explicitly 1659# support, even if we're using TCI. 1660if [ "$ARCH" = "unknown" ]; then 1661 bsd_user="no" 1662 linux_user="no" 1663fi 1664 1665default_target_list="" 1666deprecated_targets_list=ppc64abi32-linux-user 1667deprecated_features="" 1668mak_wilds="" 1669 1670if [ "$softmmu" = "yes" ]; then 1671 mak_wilds="${mak_wilds} $source_path/default-configs/targets/*-softmmu.mak" 1672fi 1673if [ "$linux_user" = "yes" ]; then 1674 mak_wilds="${mak_wilds} $source_path/default-configs/targets/*-linux-user.mak" 1675fi 1676if [ "$bsd_user" = "yes" ]; then 1677 mak_wilds="${mak_wilds} $source_path/default-configs/targets/*-bsd-user.mak" 1678fi 1679 1680# If the user doesn't explicitly specify a deprecated target we will 1681# skip it. 1682if test -z "$target_list"; then 1683 if test -z "$target_list_exclude"; then 1684 target_list_exclude="$deprecated_targets_list" 1685 else 1686 target_list_exclude="$target_list_exclude,$deprecated_targets_list" 1687 fi 1688fi 1689 1690for config in $mak_wilds; do 1691 target="$(basename "$config" .mak)" 1692 if echo "$target_list_exclude" | grep -vq "$target"; then 1693 default_target_list="${default_target_list} $target" 1694 fi 1695done 1696 1697# Enumerate public trace backends for --help output 1698trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/')) 1699 1700if test x"$show_help" = x"yes" ; then 1701cat << EOF 1702 1703Usage: configure [options] 1704Options: [defaults in brackets after descriptions] 1705 1706Standard options: 1707 --help print this message 1708 --prefix=PREFIX install in PREFIX [$prefix] 1709 --interp-prefix=PREFIX where to find shared libraries, etc. 1710 use %M for cpu name [$interp_prefix] 1711 --target-list=LIST set target list (default: build all non-deprecated) 1712$(echo Available targets: $default_target_list | \ 1713 fold -s -w 53 | sed -e 's/^/ /') 1714$(echo Deprecated targets: $deprecated_targets_list | \ 1715 fold -s -w 53 | sed -e 's/^/ /') 1716 --target-list-exclude=LIST exclude a set of targets from the default target-list 1717 1718Advanced options (experts only): 1719 --cross-prefix=PREFIX use PREFIX for compile tools, PREFIX can be blank [$cross_prefix] 1720 --cc=CC use C compiler CC [$cc] 1721 --iasl=IASL use ACPI compiler IASL [$iasl] 1722 --host-cc=CC use C compiler CC [$host_cc] for code run at 1723 build time 1724 --cxx=CXX use C++ compiler CXX [$cxx] 1725 --objcc=OBJCC use Objective-C compiler OBJCC [$objcc] 1726 --extra-cflags=CFLAGS append extra C compiler flags QEMU_CFLAGS 1727 --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS 1728 --extra-ldflags=LDFLAGS append extra linker flags LDFLAGS 1729 --cross-cc-ARCH=CC use compiler when building ARCH guest test cases 1730 --cross-cc-flags-ARCH= use compiler flags when building ARCH guest tests 1731 --make=MAKE use specified make [$make] 1732 --python=PYTHON use specified python [$python] 1733 --sphinx-build=SPHINX use specified sphinx-build [$sphinx_build] 1734 --meson=MESON use specified meson [$meson] 1735 --ninja=NINJA use specified ninja [$ninja] 1736 --smbd=SMBD use specified smbd [$smbd] 1737 --with-git=GIT use specified git [$git] 1738 --with-git-submodules=update update git submodules (default if .git dir exists) 1739 --with-git-submodules=validate fail if git submodules are not up to date 1740 --with-git-submodules=ignore do not update or check git submodules (default if no .git dir) 1741 --static enable static build [$static] 1742 --mandir=PATH install man pages in PATH 1743 --datadir=PATH install firmware in PATH/$qemu_suffix 1744 --localedir=PATH install translation in PATH/$qemu_suffix 1745 --docdir=PATH install documentation in PATH/$qemu_suffix 1746 --bindir=PATH install binaries in PATH 1747 --libdir=PATH install libraries in PATH 1748 --libexecdir=PATH install helper binaries in PATH 1749 --sysconfdir=PATH install config in PATH/$qemu_suffix 1750 --localstatedir=PATH install local state in PATH (set at runtime on win32) 1751 --firmwarepath=PATH search PATH for firmware files 1752 --efi-aarch64=PATH PATH of efi file to use for aarch64 VMs. 1753 --with-suffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix] 1754 --with-pkgversion=VERS use specified string as sub-version of the package 1755 --without-default-features default all --enable-* options to "disabled" 1756 --without-default-devices do not include any device that is not needed to 1757 start the emulator (only use if you are including 1758 desired devices in default-configs/devices/) 1759 --enable-debug enable common debug build options 1760 --enable-sanitizers enable default sanitizers 1761 --enable-tsan enable thread sanitizer 1762 --disable-strip disable stripping binaries 1763 --disable-werror disable compilation abort on warning 1764 --disable-stack-protector disable compiler-provided stack protection 1765 --audio-drv-list=LIST set audio drivers list: 1766 Available drivers: $audio_possible_drivers 1767 --block-drv-whitelist=L Same as --block-drv-rw-whitelist=L 1768 --block-drv-rw-whitelist=L 1769 set block driver read-write whitelist 1770 (affects only QEMU, not qemu-img) 1771 --block-drv-ro-whitelist=L 1772 set block driver read-only whitelist 1773 (affects only QEMU, not qemu-img) 1774 --enable-trace-backends=B Set trace backend 1775 Available backends: $trace_backend_list 1776 --with-trace-file=NAME Full PATH,NAME of file to store traces 1777 Default:trace-<pid> 1778 --disable-slirp disable SLIRP userspace network connectivity 1779 --enable-tcg-interpreter enable TCI (TCG with bytecode interpreter, experimental and slow) 1780 --enable-malloc-trim enable libc malloc_trim() for memory optimization 1781 --oss-lib path to OSS library 1782 --cpu=CPU Build for host CPU [$cpu] 1783 --with-coroutine=BACKEND coroutine backend. Supported options: 1784 ucontext, sigaltstack, windows 1785 --enable-gcov enable test coverage analysis with gcov 1786 --disable-blobs disable installing provided firmware blobs 1787 --with-vss-sdk=SDK-path enable Windows VSS support in QEMU Guest Agent 1788 --with-win-sdk=SDK-path path to Windows Platform SDK (to build VSS .tlb) 1789 --tls-priority default TLS protocol/cipher priority string 1790 --enable-gprof QEMU profiling with gprof 1791 --enable-profiler profiler support 1792 --enable-debug-stack-usage 1793 track the maximum stack usage of stacks created by qemu_alloc_stack 1794 --enable-plugins 1795 enable plugins via shared library loading 1796 --disable-containers don't use containers for cross-building 1797 --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin] 1798 1799Optional features, enabled with --enable-FEATURE and 1800disabled with --disable-FEATURE, default is enabled if available 1801(unless built with --without-default-features): 1802 1803 system all system emulation targets 1804 user supported user emulation targets 1805 linux-user all linux usermode emulation targets 1806 bsd-user all BSD usermode emulation targets 1807 docs build documentation 1808 guest-agent build the QEMU Guest Agent 1809 guest-agent-msi build guest agent Windows MSI installation package 1810 pie Position Independent Executables 1811 modules modules support (non-Windows) 1812 module-upgrades try to load modules from alternate paths for upgrades 1813 debug-tcg TCG debugging (default is disabled) 1814 debug-info debugging information 1815 lto Enable Link-Time Optimization. 1816 sparse sparse checker 1817 safe-stack SafeStack Stack Smash Protection. Depends on 1818 clang/llvm >= 3.7 and requires coroutine backend ucontext. 1819 cfi Enable Control-Flow Integrity for indirect function calls. 1820 In case of a cfi violation, QEMU is terminated with SIGILL 1821 Depends on lto and is incompatible with modules 1822 Automatically enables Link-Time Optimization (lto) 1823 cfi-debug In case of a cfi violation, a message containing the line that 1824 triggered the error is written to stderr. After the error, 1825 QEMU is still terminated with SIGILL 1826 gnutls GNUTLS cryptography support 1827 nettle nettle cryptography support 1828 gcrypt libgcrypt cryptography support 1829 auth-pam PAM access control 1830 sdl SDL UI 1831 sdl-image SDL Image support for icons 1832 gtk gtk UI 1833 vte vte support for the gtk UI 1834 curses curses UI 1835 iconv font glyph conversion support 1836 vnc VNC UI support 1837 vnc-sasl SASL encryption for VNC server 1838 vnc-jpeg JPEG lossy compression for VNC server 1839 vnc-png PNG compression for VNC server 1840 cocoa Cocoa UI (Mac OS X only) 1841 virtfs VirtFS 1842 virtiofsd build virtiofs daemon (virtiofsd) 1843 libudev Use libudev to enumerate host devices 1844 mpath Multipath persistent reservation passthrough 1845 xen xen backend driver support 1846 xen-pci-passthrough PCI passthrough support for Xen 1847 brlapi BrlAPI (Braile) 1848 curl curl connectivity 1849 membarrier membarrier system call (for Linux 4.14+ or Windows) 1850 fdt fdt device tree 1851 kvm KVM acceleration support 1852 hax HAX acceleration support 1853 hvf Hypervisor.framework acceleration support 1854 nvmm NVMM acceleration support 1855 whpx Windows Hypervisor Platform acceleration support 1856 rdma Enable RDMA-based migration 1857 pvrdma Enable PVRDMA support 1858 vde support for vde network 1859 netmap support for netmap network 1860 linux-aio Linux AIO support 1861 linux-io-uring Linux io_uring support 1862 cap-ng libcap-ng support 1863 attr attr and xattr support 1864 vhost-net vhost-net kernel acceleration support 1865 vhost-vsock virtio sockets device support 1866 vhost-scsi vhost-scsi kernel target support 1867 vhost-crypto vhost-user-crypto backend support 1868 vhost-kernel vhost kernel backend support 1869 vhost-user vhost-user backend support 1870 vhost-user-blk-server vhost-user-blk server support 1871 vhost-vdpa vhost-vdpa kernel backend support 1872 spice spice 1873 rbd rados block device (rbd) 1874 libiscsi iscsi support 1875 libnfs nfs support 1876 smartcard smartcard support (libcacard) 1877 u2f U2F support (u2f-emu) 1878 libusb libusb (for usb passthrough) 1879 live-block-migration Block migration in the main migration stream 1880 usb-redir usb network redirection support 1881 lzo support of lzo compression library 1882 snappy support of snappy compression library 1883 bzip2 support of bzip2 compression library 1884 (for reading bzip2-compressed dmg images) 1885 lzfse support of lzfse compression library 1886 (for reading lzfse-compressed dmg images) 1887 zstd support for zstd compression library 1888 (for migration compression and qcow2 cluster compression) 1889 seccomp seccomp support 1890 coroutine-pool coroutine freelist (better performance) 1891 glusterfs GlusterFS backend 1892 tpm TPM support 1893 libssh ssh block device support 1894 numa libnuma support 1895 libxml2 for Parallels image format 1896 tcmalloc tcmalloc support 1897 jemalloc jemalloc support 1898 avx2 AVX2 optimization support 1899 avx512f AVX512F optimization support 1900 replication replication support 1901 opengl opengl support 1902 virglrenderer virgl rendering support 1903 xfsctl xfsctl support 1904 qom-cast-debug cast debugging support 1905 tools build qemu-io, qemu-nbd and qemu-img tools 1906 bochs bochs image format support 1907 cloop cloop image format support 1908 dmg dmg image format support 1909 qcow1 qcow v1 image format support 1910 vdi vdi image format support 1911 vvfat vvfat image format support 1912 qed qed image format support 1913 parallels parallels image format support 1914 crypto-afalg Linux AF_ALG crypto backend driver 1915 capstone capstone disassembler support 1916 debug-mutex mutex debugging support 1917 libpmem libpmem support 1918 xkbcommon xkbcommon support 1919 rng-none dummy RNG, avoid using /dev/(u)random and getrandom() 1920 libdaxctl libdaxctl support 1921 fuse FUSE block device export 1922 fuse-lseek SEEK_HOLE/SEEK_DATA support for FUSE exports 1923 multiprocess Out of process device emulation support 1924 gio libgio support 1925 slirp-smbd use smbd (at path --smbd=*) in slirp networking 1926 1927NOTE: The object files are built at the place where configure is launched 1928EOF 1929exit 0 1930fi 1931 1932# Remove old dependency files to make sure that they get properly regenerated 1933rm -f */config-devices.mak.d 1934 1935if test -z "$python" 1936then 1937 error_exit "Python not found. Use --python=/path/to/python" 1938fi 1939if ! has "$make" 1940then 1941 error_exit "GNU make ($make) not found" 1942fi 1943 1944# Note that if the Python conditional here evaluates True we will exit 1945# with status 1 which is a shell 'false' value. 1946if ! $python -c 'import sys; sys.exit(sys.version_info < (3,6))'; then 1947 error_exit "Cannot use '$python', Python >= 3.6 is required." \ 1948 "Use --python=/path/to/python to specify a supported Python." 1949fi 1950 1951# Preserve python version since some functionality is dependent on it 1952python_version=$($python -c 'import sys; print("%d.%d.%d" % (sys.version_info[0], sys.version_info[1], sys.version_info[2]))' 2>/dev/null) 1953 1954# Suppress writing compiled files 1955python="$python -B" 1956 1957if test -z "$meson"; then 1958 if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.55.3; then 1959 meson=meson 1960 elif test $git_submodules_action != 'ignore' ; then 1961 meson=git 1962 elif test -e "${source_path}/meson/meson.py" ; then 1963 meson=internal 1964 else 1965 if test "$explicit_python" = yes; then 1966 error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found." 1967 else 1968 error_exit "Meson not found. Use --meson=/path/to/meson" 1969 fi 1970 fi 1971else 1972 # Meson uses its own Python interpreter to invoke other Python scripts, 1973 # but the user wants to use the one they specified with --python. 1974 # 1975 # We do not want to override the distro Python interpreter (and sometimes 1976 # cannot: for example in Homebrew /usr/bin/meson is a bash script), so 1977 # just require --meson=git|internal together with --python. 1978 if test "$explicit_python" = yes; then 1979 case "$meson" in 1980 git | internal) ;; 1981 *) error_exit "--python requires using QEMU's embedded Meson distribution." ;; 1982 esac 1983 fi 1984fi 1985 1986if test "$meson" = git; then 1987 git_submodules="${git_submodules} meson" 1988fi 1989 1990case "$meson" in 1991 git | internal) 1992 meson="$python ${source_path}/meson/meson.py" 1993 ;; 1994 *) meson=$(command -v "$meson") ;; 1995esac 1996 1997# Probe for ninja 1998 1999if test -z "$ninja"; then 2000 for c in ninja ninja-build samu; do 2001 if has $c; then 2002 ninja=$(command -v "$c") 2003 break 2004 fi 2005 done 2006 if test -z "$ninja"; then 2007 error_exit "Cannot find Ninja" 2008 fi 2009fi 2010 2011# Check that the C compiler works. Doing this here before testing 2012# the host CPU ensures that we had a valid CC to autodetect the 2013# $cpu var (and we should bail right here if that's not the case). 2014# It also allows the help message to be printed without a CC. 2015write_c_skeleton; 2016if compile_object ; then 2017 : C compiler works ok 2018else 2019 error_exit "\"$cc\" either does not exist or does not work" 2020fi 2021if ! compile_prog ; then 2022 error_exit "\"$cc\" cannot build an executable (is your linker broken?)" 2023fi 2024 2025# Consult white-list to determine whether to enable werror 2026# by default. Only enable by default for git builds 2027if test -z "$werror" ; then 2028 if test "$git_submodules_action" != "ignore" && \ 2029 { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then 2030 werror="yes" 2031 else 2032 werror="no" 2033 fi 2034fi 2035 2036if test "$targetos" = "bogus"; then 2037 # Now that we know that we're not printing the help and that 2038 # the compiler works (so the results of the check_defines we used 2039 # to identify the OS are reliable), if we didn't recognize the 2040 # host OS we should stop now. 2041 error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')" 2042fi 2043 2044# Check whether the compiler matches our minimum requirements: 2045cat > $TMPC << EOF 2046#if defined(__clang_major__) && defined(__clang_minor__) 2047# ifdef __apple_build_version__ 2048# if __clang_major__ < 5 || (__clang_major__ == 5 && __clang_minor__ < 1) 2049# error You need at least XCode Clang v5.1 to compile QEMU 2050# endif 2051# else 2052# if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4) 2053# error You need at least Clang v3.4 to compile QEMU 2054# endif 2055# endif 2056#elif defined(__GNUC__) && defined(__GNUC_MINOR__) 2057# if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8) 2058# error You need at least GCC v4.8 to compile QEMU 2059# endif 2060#else 2061# error You either need GCC or Clang to compiler QEMU 2062#endif 2063int main (void) { return 0; } 2064EOF 2065if ! compile_prog "" "" ; then 2066 error_exit "You need at least GCC v4.8 or Clang v3.4 (or XCode Clang v5.1)" 2067fi 2068 2069# Accumulate -Wfoo and -Wno-bar separately. 2070# We will list all of the enable flags first, and the disable flags second. 2071# Note that we do not add -Werror, because that would enable it for all 2072# configure tests. If a configure test failed due to -Werror this would 2073# just silently disable some features, so it's too error prone. 2074 2075warn_flags= 2076add_to warn_flags -Wold-style-declaration 2077add_to warn_flags -Wold-style-definition 2078add_to warn_flags -Wtype-limits 2079add_to warn_flags -Wformat-security 2080add_to warn_flags -Wformat-y2k 2081add_to warn_flags -Winit-self 2082add_to warn_flags -Wignored-qualifiers 2083add_to warn_flags -Wempty-body 2084add_to warn_flags -Wnested-externs 2085add_to warn_flags -Wendif-labels 2086add_to warn_flags -Wexpansion-to-defined 2087add_to warn_flags -Wimplicit-fallthrough=2 2088 2089nowarn_flags= 2090add_to nowarn_flags -Wno-initializer-overrides 2091add_to nowarn_flags -Wno-missing-include-dirs 2092add_to nowarn_flags -Wno-shift-negative-value 2093add_to nowarn_flags -Wno-string-plus-int 2094add_to nowarn_flags -Wno-typedef-redefinition 2095add_to nowarn_flags -Wno-tautological-type-limit-compare 2096add_to nowarn_flags -Wno-psabi 2097 2098gcc_flags="$warn_flags $nowarn_flags" 2099 2100cc_has_warning_flag() { 2101 write_c_skeleton; 2102 2103 # Use the positive sense of the flag when testing for -Wno-wombat 2104 # support (gcc will happily accept the -Wno- form of unknown 2105 # warning options). 2106 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')" 2107 compile_prog "-Werror $optflag" "" 2108} 2109 2110for flag in $gcc_flags; do 2111 if cc_has_warning_flag $flag ; then 2112 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 2113 fi 2114done 2115 2116if test "$stack_protector" != "no"; then 2117 cat > $TMPC << EOF 2118int main(int argc, char *argv[]) 2119{ 2120 char arr[64], *p = arr, *c = argv[0]; 2121 while (*c) { 2122 *p++ = *c++; 2123 } 2124 return 0; 2125} 2126EOF 2127 gcc_flags="-fstack-protector-strong -fstack-protector-all" 2128 sp_on=0 2129 for flag in $gcc_flags; do 2130 # We need to check both a compile and a link, since some compiler 2131 # setups fail only on a .c->.o compile and some only at link time 2132 if compile_object "-Werror $flag" && 2133 compile_prog "-Werror $flag" ""; then 2134 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 2135 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 2136 sp_on=1 2137 break 2138 fi 2139 done 2140 if test "$stack_protector" = yes; then 2141 if test $sp_on = 0; then 2142 error_exit "Stack protector not supported" 2143 fi 2144 fi 2145fi 2146 2147# Disable -Wmissing-braces on older compilers that warn even for 2148# the "universal" C zero initializer {0}. 2149cat > $TMPC << EOF 2150struct { 2151 int a[2]; 2152} x = {0}; 2153EOF 2154if compile_object "-Werror" "" ; then 2155 : 2156else 2157 QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces" 2158fi 2159 2160# Our module code doesn't support Windows 2161if test "$modules" = "yes" && test "$mingw32" = "yes" ; then 2162 error_exit "Modules are not available for Windows" 2163fi 2164 2165# module_upgrades is only reasonable if modules are enabled 2166if test "$modules" = "no" && test "$module_upgrades" = "yes" ; then 2167 error_exit "Can't enable module-upgrades as Modules are not enabled" 2168fi 2169 2170# Static linking is not possible with modules or PIE 2171if test "$static" = "yes" ; then 2172 if test "$modules" = "yes" ; then 2173 error_exit "static and modules are mutually incompatible" 2174 fi 2175fi 2176 2177# Unconditional check for compiler __thread support 2178 cat > $TMPC << EOF 2179static __thread int tls_var; 2180int main(void) { return tls_var; } 2181EOF 2182 2183if ! compile_prog "-Werror" "" ; then 2184 error_exit "Your compiler does not support the __thread specifier for " \ 2185 "Thread-Local Storage (TLS). Please upgrade to a version that does." 2186fi 2187 2188cat > $TMPC << EOF 2189 2190#ifdef __linux__ 2191# define THREAD __thread 2192#else 2193# define THREAD 2194#endif 2195static THREAD int tls_var; 2196int main(void) { return tls_var; } 2197EOF 2198 2199# Check we support --no-pie first; we will need this for building ROMs. 2200if compile_prog "-Werror -fno-pie" "-no-pie"; then 2201 CFLAGS_NOPIE="-fno-pie" 2202fi 2203 2204if test "$static" = "yes"; then 2205 if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then 2206 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" 2207 QEMU_LDFLAGS="-static-pie $QEMU_LDFLAGS" 2208 pie="yes" 2209 elif test "$pie" = "yes"; then 2210 error_exit "-static-pie not available due to missing toolchain support" 2211 else 2212 QEMU_LDFLAGS="-static $QEMU_LDFLAGS" 2213 pie="no" 2214 fi 2215elif test "$pie" = "no"; then 2216 CONFIGURE_CFLAGS="$CFLAGS_NOPIE $CONFIGURE_CFLAGS" 2217elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then 2218 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" 2219 CONFIGURE_LDFLAGS="-pie $CONFIGURE_LDFLAGS" 2220 pie="yes" 2221elif test "$pie" = "yes"; then 2222 error_exit "PIE not available due to missing toolchain support" 2223else 2224 echo "Disabling PIE due to missing toolchain support" 2225 pie="no" 2226fi 2227 2228# Detect support for PT_GNU_RELRO + DT_BIND_NOW. 2229# The combination is known as "full relro", because .got.plt is read-only too. 2230if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then 2231 QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS" 2232fi 2233 2234########################################## 2235# __sync_fetch_and_and requires at least -march=i486. Many toolchains 2236# use i686 as default anyway, but for those that don't, an explicit 2237# specification is necessary 2238 2239if test "$cpu" = "i386"; then 2240 cat > $TMPC << EOF 2241static int sfaa(int *ptr) 2242{ 2243 return __sync_fetch_and_and(ptr, 0); 2244} 2245 2246int main(void) 2247{ 2248 int val = 42; 2249 val = __sync_val_compare_and_swap(&val, 0, 1); 2250 sfaa(&val); 2251 return val; 2252} 2253EOF 2254 if ! compile_prog "" "" ; then 2255 QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS" 2256 fi 2257fi 2258 2259######################################### 2260# Solaris specific configure tool chain decisions 2261 2262if test "$solaris" = "yes" ; then 2263 if has ar; then 2264 : 2265 else 2266 if test -f /usr/ccs/bin/ar ; then 2267 error_exit "No path includes ar" \ 2268 "Add /usr/ccs/bin to your path and rerun configure" 2269 fi 2270 error_exit "No path includes ar" 2271 fi 2272fi 2273 2274if test -z "${target_list+xxx}" ; then 2275 default_targets=yes 2276 for target in $default_target_list; do 2277 target_list="$target_list $target" 2278 done 2279 target_list="${target_list# }" 2280else 2281 default_targets=no 2282 target_list=$(echo "$target_list" | sed -e 's/,/ /g') 2283 for target in $target_list; do 2284 # Check that we recognised the target name; this allows a more 2285 # friendly error message than if we let it fall through. 2286 case " $default_target_list " in 2287 *" $target "*) 2288 ;; 2289 *) 2290 error_exit "Unknown target name '$target'" 2291 ;; 2292 esac 2293 done 2294fi 2295 2296for target in $target_list; do 2297 # if a deprecated target is enabled we note it here 2298 if echo "$deprecated_targets_list" | grep -q "$target"; then 2299 add_to deprecated_features $target 2300 fi 2301done 2302 2303# see if system emulation was really requested 2304case " $target_list " in 2305 *"-softmmu "*) softmmu=yes 2306 ;; 2307 *) softmmu=no 2308 ;; 2309esac 2310 2311feature_not_found() { 2312 feature=$1 2313 remedy=$2 2314 2315 error_exit "User requested feature $feature" \ 2316 "configure was not able to find it." \ 2317 "$remedy" 2318} 2319 2320# --- 2321# big/little endian test 2322cat > $TMPC << EOF 2323short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, }; 2324short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, }; 2325extern int foo(short *, short *); 2326int main(int argc, char *argv[]) { 2327 return foo(big_endian, little_endian); 2328} 2329EOF 2330 2331if compile_object ; then 2332 if strings -a $TMPO | grep -q BiGeNdIaN ; then 2333 bigendian="yes" 2334 elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then 2335 bigendian="no" 2336 else 2337 echo big/little test failed 2338 fi 2339else 2340 echo big/little test failed 2341fi 2342 2343########################################## 2344# system tools 2345if test -z "$want_tools"; then 2346 if test "$softmmu" = "no"; then 2347 want_tools=no 2348 else 2349 want_tools=yes 2350 fi 2351fi 2352 2353########################################## 2354# Disable features only meaningful for system-mode emulation 2355if test "$softmmu" = "no"; then 2356 audio_drv_list="" 2357fi 2358 2359########################################## 2360# Some versions of Mac OS X incorrectly define SIZE_MAX 2361cat > $TMPC << EOF 2362#include <stdint.h> 2363#include <stdio.h> 2364int main(int argc, char *argv[]) { 2365 return printf("%zu", SIZE_MAX); 2366} 2367EOF 2368have_broken_size_max=no 2369if ! compile_object -Werror ; then 2370 have_broken_size_max=yes 2371fi 2372 2373########################################## 2374# L2TPV3 probe 2375 2376cat > $TMPC <<EOF 2377#include <sys/socket.h> 2378#include <linux/ip.h> 2379int main(void) { return sizeof(struct mmsghdr); } 2380EOF 2381if compile_prog "" "" ; then 2382 l2tpv3=yes 2383else 2384 l2tpv3=no 2385fi 2386 2387cat > $TMPC <<EOF 2388#include <sys/mman.h> 2389int main(int argc, char *argv[]) { 2390 return mlockall(MCL_FUTURE); 2391} 2392EOF 2393if compile_prog "" "" ; then 2394 have_mlockall=yes 2395else 2396 have_mlockall=no 2397fi 2398 2399######################################### 2400# vhost interdependencies and host support 2401 2402# vhost backends 2403if test "$vhost_user" = "yes" && test "$linux" != "yes"; then 2404 error_exit "vhost-user is only available on Linux" 2405fi 2406test "$vhost_vdpa" = "" && vhost_vdpa=$linux 2407if test "$vhost_vdpa" = "yes" && test "$linux" != "yes"; then 2408 error_exit "vhost-vdpa is only available on Linux" 2409fi 2410test "$vhost_kernel" = "" && vhost_kernel=$linux 2411if test "$vhost_kernel" = "yes" && test "$linux" != "yes"; then 2412 error_exit "vhost-kernel is only available on Linux" 2413fi 2414 2415# vhost-kernel devices 2416test "$vhost_scsi" = "" && vhost_scsi=$vhost_kernel 2417if test "$vhost_scsi" = "yes" && test "$vhost_kernel" != "yes"; then 2418 error_exit "--enable-vhost-scsi requires --enable-vhost-kernel" 2419fi 2420test "$vhost_vsock" = "" && vhost_vsock=$vhost_kernel 2421if test "$vhost_vsock" = "yes" && test "$vhost_kernel" != "yes"; then 2422 error_exit "--enable-vhost-vsock requires --enable-vhost-kernel" 2423fi 2424 2425# vhost-user backends 2426test "$vhost_net_user" = "" && vhost_net_user=$vhost_user 2427if test "$vhost_net_user" = "yes" && test "$vhost_user" = "no"; then 2428 error_exit "--enable-vhost-net-user requires --enable-vhost-user" 2429fi 2430test "$vhost_crypto" = "" && vhost_crypto=$vhost_user 2431if test "$vhost_crypto" = "yes" && test "$vhost_user" = "no"; then 2432 error_exit "--enable-vhost-crypto requires --enable-vhost-user" 2433fi 2434test "$vhost_user_fs" = "" && vhost_user_fs=$vhost_user 2435if test "$vhost_user_fs" = "yes" && test "$vhost_user" = "no"; then 2436 error_exit "--enable-vhost-user-fs requires --enable-vhost-user" 2437fi 2438#vhost-vdpa backends 2439test "$vhost_net_vdpa" = "" && vhost_net_vdpa=$vhost_vdpa 2440if test "$vhost_net_vdpa" = "yes" && test "$vhost_vdpa" = "no"; then 2441 error_exit "--enable-vhost-net-vdpa requires --enable-vhost-vdpa" 2442fi 2443 2444# OR the vhost-kernel, vhost-vdpa and vhost-user values for simplicity 2445if test "$vhost_net" = ""; then 2446 test "$vhost_net_user" = "yes" && vhost_net=yes 2447 test "$vhost_net_vdpa" = "yes" && vhost_net=yes 2448 test "$vhost_kernel" = "yes" && vhost_net=yes 2449fi 2450 2451########################################## 2452# pkg-config probe 2453 2454if ! has "$pkg_config_exe"; then 2455 error_exit "pkg-config binary '$pkg_config_exe' not found" 2456fi 2457 2458########################################## 2459# NPTL probe 2460 2461if test "$linux_user" = "yes"; then 2462 cat > $TMPC <<EOF 2463#include <sched.h> 2464#include <linux/futex.h> 2465int main(void) { 2466#if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT) 2467#error bork 2468#endif 2469 return 0; 2470} 2471EOF 2472 if ! compile_object ; then 2473 feature_not_found "nptl" "Install glibc and linux kernel headers." 2474 fi 2475fi 2476 2477########################################## 2478# xen probe 2479 2480if test "$xen" != "disabled" ; then 2481 # Check whether Xen library path is specified via --extra-ldflags to avoid 2482 # overriding this setting with pkg-config output. If not, try pkg-config 2483 # to obtain all needed flags. 2484 2485 if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \ 2486 $pkg_config --exists xencontrol ; then 2487 xen_ctrl_version="$(printf '%d%02d%02d' \ 2488 $($pkg_config --modversion xencontrol | sed 's/\./ /g') )" 2489 xen=enabled 2490 xen_pc="xencontrol xenstore xenforeignmemory xengnttab" 2491 xen_pc="$xen_pc xenevtchn xendevicemodel" 2492 if $pkg_config --exists xentoolcore; then 2493 xen_pc="$xen_pc xentoolcore" 2494 fi 2495 xen_cflags="$($pkg_config --cflags $xen_pc)" 2496 xen_libs="$($pkg_config --libs $xen_pc)" 2497 else 2498 2499 xen_libs="-lxenstore -lxenctrl" 2500 xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn" 2501 2502 # First we test whether Xen headers and libraries are available. 2503 # If no, we are done and there is no Xen support. 2504 # If yes, more tests are run to detect the Xen version. 2505 2506 # Xen (any) 2507 cat > $TMPC <<EOF 2508#include <xenctrl.h> 2509int main(void) { 2510 return 0; 2511} 2512EOF 2513 if ! compile_prog "" "$xen_libs" ; then 2514 # Xen not found 2515 if test "$xen" = "enabled" ; then 2516 feature_not_found "xen" "Install xen devel" 2517 fi 2518 xen=disabled 2519 2520 # Xen unstable 2521 elif 2522 cat > $TMPC <<EOF && 2523#undef XC_WANT_COMPAT_DEVICEMODEL_API 2524#define __XEN_TOOLS__ 2525#include <xendevicemodel.h> 2526#include <xenforeignmemory.h> 2527int main(void) { 2528 xendevicemodel_handle *xd; 2529 xenforeignmemory_handle *xfmem; 2530 2531 xd = xendevicemodel_open(0, 0); 2532 xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0); 2533 2534 xfmem = xenforeignmemory_open(0, 0); 2535 xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0); 2536 2537 return 0; 2538} 2539EOF 2540 compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore" 2541 then 2542 xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore" 2543 xen_ctrl_version=41100 2544 xen=enabled 2545 elif 2546 cat > $TMPC <<EOF && 2547#undef XC_WANT_COMPAT_MAP_FOREIGN_API 2548#include <xenforeignmemory.h> 2549#include <xentoolcore.h> 2550int main(void) { 2551 xenforeignmemory_handle *xfmem; 2552 2553 xfmem = xenforeignmemory_open(0, 0); 2554 xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0); 2555 xentoolcore_restrict_all(0); 2556 2557 return 0; 2558} 2559EOF 2560 compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore" 2561 then 2562 xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore" 2563 xen_ctrl_version=41000 2564 xen=enabled 2565 elif 2566 cat > $TMPC <<EOF && 2567#undef XC_WANT_COMPAT_DEVICEMODEL_API 2568#define __XEN_TOOLS__ 2569#include <xendevicemodel.h> 2570int main(void) { 2571 xendevicemodel_handle *xd; 2572 2573 xd = xendevicemodel_open(0, 0); 2574 xendevicemodel_close(xd); 2575 2576 return 0; 2577} 2578EOF 2579 compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs" 2580 then 2581 xen_stable_libs="-lxendevicemodel $xen_stable_libs" 2582 xen_ctrl_version=40900 2583 xen=enabled 2584 elif 2585 cat > $TMPC <<EOF && 2586/* 2587 * If we have stable libs the we don't want the libxc compat 2588 * layers, regardless of what CFLAGS we may have been given. 2589 * 2590 * Also, check if xengnttab_grant_copy_segment_t is defined and 2591 * grant copy operation is implemented. 2592 */ 2593#undef XC_WANT_COMPAT_EVTCHN_API 2594#undef XC_WANT_COMPAT_GNTTAB_API 2595#undef XC_WANT_COMPAT_MAP_FOREIGN_API 2596#include <xenctrl.h> 2597#include <xenstore.h> 2598#include <xenevtchn.h> 2599#include <xengnttab.h> 2600#include <xenforeignmemory.h> 2601#include <stdint.h> 2602#include <xen/hvm/hvm_info_table.h> 2603#if !defined(HVM_MAX_VCPUS) 2604# error HVM_MAX_VCPUS not defined 2605#endif 2606int main(void) { 2607 xc_interface *xc = NULL; 2608 xenforeignmemory_handle *xfmem; 2609 xenevtchn_handle *xe; 2610 xengnttab_handle *xg; 2611 xengnttab_grant_copy_segment_t* seg = NULL; 2612 2613 xs_daemon_open(); 2614 2615 xc = xc_interface_open(0, 0, 0); 2616 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); 2617 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); 2618 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); 2619 xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL); 2620 2621 xfmem = xenforeignmemory_open(0, 0); 2622 xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0); 2623 2624 xe = xenevtchn_open(0, 0); 2625 xenevtchn_fd(xe); 2626 2627 xg = xengnttab_open(0, 0); 2628 xengnttab_grant_copy(xg, 0, seg); 2629 2630 return 0; 2631} 2632EOF 2633 compile_prog "" "$xen_libs $xen_stable_libs" 2634 then 2635 xen_ctrl_version=40800 2636 xen=enabled 2637 elif 2638 cat > $TMPC <<EOF && 2639/* 2640 * If we have stable libs the we don't want the libxc compat 2641 * layers, regardless of what CFLAGS we may have been given. 2642 */ 2643#undef XC_WANT_COMPAT_EVTCHN_API 2644#undef XC_WANT_COMPAT_GNTTAB_API 2645#undef XC_WANT_COMPAT_MAP_FOREIGN_API 2646#include <xenctrl.h> 2647#include <xenstore.h> 2648#include <xenevtchn.h> 2649#include <xengnttab.h> 2650#include <xenforeignmemory.h> 2651#include <stdint.h> 2652#include <xen/hvm/hvm_info_table.h> 2653#if !defined(HVM_MAX_VCPUS) 2654# error HVM_MAX_VCPUS not defined 2655#endif 2656int main(void) { 2657 xc_interface *xc = NULL; 2658 xenforeignmemory_handle *xfmem; 2659 xenevtchn_handle *xe; 2660 xengnttab_handle *xg; 2661 2662 xs_daemon_open(); 2663 2664 xc = xc_interface_open(0, 0, 0); 2665 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); 2666 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); 2667 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); 2668 xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL); 2669 2670 xfmem = xenforeignmemory_open(0, 0); 2671 xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0); 2672 2673 xe = xenevtchn_open(0, 0); 2674 xenevtchn_fd(xe); 2675 2676 xg = xengnttab_open(0, 0); 2677 xengnttab_map_grant_ref(xg, 0, 0, 0); 2678 2679 return 0; 2680} 2681EOF 2682 compile_prog "" "$xen_libs $xen_stable_libs" 2683 then 2684 xen_ctrl_version=40701 2685 xen=enabled 2686 2687 # Xen 4.6 2688 elif 2689 cat > $TMPC <<EOF && 2690#include <xenctrl.h> 2691#include <xenstore.h> 2692#include <stdint.h> 2693#include <xen/hvm/hvm_info_table.h> 2694#if !defined(HVM_MAX_VCPUS) 2695# error HVM_MAX_VCPUS not defined 2696#endif 2697int main(void) { 2698 xc_interface *xc; 2699 xs_daemon_open(); 2700 xc = xc_interface_open(0, 0, 0); 2701 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); 2702 xc_gnttab_open(NULL, 0); 2703 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); 2704 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); 2705 xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL); 2706 xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0); 2707 return 0; 2708} 2709EOF 2710 compile_prog "" "$xen_libs" 2711 then 2712 xen_ctrl_version=40600 2713 xen=enabled 2714 2715 # Xen 4.5 2716 elif 2717 cat > $TMPC <<EOF && 2718#include <xenctrl.h> 2719#include <xenstore.h> 2720#include <stdint.h> 2721#include <xen/hvm/hvm_info_table.h> 2722#if !defined(HVM_MAX_VCPUS) 2723# error HVM_MAX_VCPUS not defined 2724#endif 2725int main(void) { 2726 xc_interface *xc; 2727 xs_daemon_open(); 2728 xc = xc_interface_open(0, 0, 0); 2729 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); 2730 xc_gnttab_open(NULL, 0); 2731 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); 2732 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); 2733 xc_hvm_create_ioreq_server(xc, 0, 0, NULL); 2734 return 0; 2735} 2736EOF 2737 compile_prog "" "$xen_libs" 2738 then 2739 xen_ctrl_version=40500 2740 xen=enabled 2741 2742 elif 2743 cat > $TMPC <<EOF && 2744#include <xenctrl.h> 2745#include <xenstore.h> 2746#include <stdint.h> 2747#include <xen/hvm/hvm_info_table.h> 2748#if !defined(HVM_MAX_VCPUS) 2749# error HVM_MAX_VCPUS not defined 2750#endif 2751int main(void) { 2752 xc_interface *xc; 2753 xs_daemon_open(); 2754 xc = xc_interface_open(0, 0, 0); 2755 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); 2756 xc_gnttab_open(NULL, 0); 2757 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); 2758 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); 2759 return 0; 2760} 2761EOF 2762 compile_prog "" "$xen_libs" 2763 then 2764 xen_ctrl_version=40200 2765 xen=enabled 2766 2767 else 2768 if test "$xen" = "enabled" ; then 2769 feature_not_found "xen (unsupported version)" \ 2770 "Install a supported xen (xen 4.2 or newer)" 2771 fi 2772 xen=disabled 2773 fi 2774 2775 if test "$xen" = enabled; then 2776 if test $xen_ctrl_version -ge 40701 ; then 2777 xen_libs="$xen_libs $xen_stable_libs " 2778 fi 2779 fi 2780 fi 2781fi 2782 2783########################################## 2784# GNUTLS probe 2785 2786if test "$gnutls" != "no"; then 2787 pass="no" 2788 if $pkg_config --exists "gnutls >= 3.1.18"; then 2789 gnutls_cflags=$($pkg_config --cflags gnutls) 2790 gnutls_libs=$($pkg_config --libs gnutls) 2791 # Packaging for the static libraries is not always correct. 2792 # At least ubuntu 18.04 ships only shared libraries. 2793 write_c_skeleton 2794 if compile_prog "" "$gnutls_libs" ; then 2795 pass="yes" 2796 fi 2797 fi 2798 if test "$pass" = "no" && test "$gnutls" = "yes"; then 2799 feature_not_found "gnutls" "Install gnutls devel >= 3.1.18" 2800 else 2801 gnutls="$pass" 2802 fi 2803fi 2804 2805 2806# If user didn't give a --disable/enable-gcrypt flag, 2807# then mark as disabled if user requested nettle 2808# explicitly 2809if test -z "$gcrypt" 2810then 2811 if test "$nettle" = "yes" 2812 then 2813 gcrypt="no" 2814 fi 2815fi 2816 2817# If user didn't give a --disable/enable-nettle flag, 2818# then mark as disabled if user requested gcrypt 2819# explicitly 2820if test -z "$nettle" 2821then 2822 if test "$gcrypt" = "yes" 2823 then 2824 nettle="no" 2825 fi 2826fi 2827 2828has_libgcrypt() { 2829 if ! has "libgcrypt-config" 2830 then 2831 return 1 2832 fi 2833 2834 if test -n "$cross_prefix" 2835 then 2836 host=$(libgcrypt-config --host) 2837 if test "$host-" != $cross_prefix 2838 then 2839 return 1 2840 fi 2841 fi 2842 2843 maj=`libgcrypt-config --version | awk -F . '{print $1}'` 2844 min=`libgcrypt-config --version | awk -F . '{print $2}'` 2845 2846 if test $maj != 1 || test $min -lt 5 2847 then 2848 return 1 2849 fi 2850 2851 return 0 2852} 2853 2854 2855if test "$nettle" != "no"; then 2856 pass="no" 2857 if $pkg_config --exists "nettle >= 2.7.1"; then 2858 nettle_cflags=$($pkg_config --cflags nettle) 2859 nettle_libs=$($pkg_config --libs nettle) 2860 nettle_version=$($pkg_config --modversion nettle) 2861 # Link test to make sure the given libraries work (e.g for static). 2862 write_c_skeleton 2863 if compile_prog "" "$nettle_libs" ; then 2864 if test -z "$gcrypt"; then 2865 gcrypt="no" 2866 fi 2867 pass="yes" 2868 fi 2869 fi 2870 if test "$pass" = "yes" 2871 then 2872 cat > $TMPC << EOF 2873#include <nettle/xts.h> 2874int main(void) { 2875 return 0; 2876} 2877EOF 2878 if compile_prog "$nettle_cflags" "$nettle_libs" ; then 2879 nettle_xts=yes 2880 qemu_private_xts=no 2881 fi 2882 fi 2883 if test "$pass" = "no" && test "$nettle" = "yes"; then 2884 feature_not_found "nettle" "Install nettle devel >= 2.7.1" 2885 else 2886 nettle="$pass" 2887 fi 2888fi 2889 2890if test "$gcrypt" != "no"; then 2891 pass="no" 2892 if has_libgcrypt; then 2893 gcrypt_cflags=$(libgcrypt-config --cflags) 2894 gcrypt_libs=$(libgcrypt-config --libs) 2895 # Debian has removed -lgpg-error from libgcrypt-config 2896 # as it "spreads unnecessary dependencies" which in 2897 # turn breaks static builds... 2898 if test "$static" = "yes" 2899 then 2900 gcrypt_libs="$gcrypt_libs -lgpg-error" 2901 fi 2902 2903 # Link test to make sure the given libraries work (e.g for static). 2904 write_c_skeleton 2905 if compile_prog "" "$gcrypt_libs" ; then 2906 pass="yes" 2907 fi 2908 fi 2909 if test "$pass" = "yes"; then 2910 gcrypt="yes" 2911 cat > $TMPC << EOF 2912#include <gcrypt.h> 2913int main(void) { 2914 gcry_mac_hd_t handle; 2915 gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5, 2916 GCRY_MAC_FLAG_SECURE, NULL); 2917 return 0; 2918} 2919EOF 2920 if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then 2921 gcrypt_hmac=yes 2922 fi 2923 cat > $TMPC << EOF 2924#include <gcrypt.h> 2925int main(void) { 2926 gcry_cipher_hd_t handle; 2927 gcry_cipher_open(&handle, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_XTS, 0); 2928 return 0; 2929} 2930EOF 2931 if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then 2932 gcrypt_xts=yes 2933 qemu_private_xts=no 2934 fi 2935 elif test "$gcrypt" = "yes"; then 2936 feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0" 2937 else 2938 gcrypt="no" 2939 fi 2940fi 2941 2942 2943if test "$gcrypt" = "yes" && test "$nettle" = "yes" 2944then 2945 error_exit "Only one of gcrypt & nettle can be enabled" 2946fi 2947 2948########################################## 2949# libtasn1 - only for the TLS creds/session test suite 2950 2951tasn1=yes 2952tasn1_cflags="" 2953tasn1_libs="" 2954if $pkg_config --exists "libtasn1"; then 2955 tasn1_cflags=$($pkg_config --cflags libtasn1) 2956 tasn1_libs=$($pkg_config --libs libtasn1) 2957else 2958 tasn1=no 2959fi 2960 2961 2962########################################## 2963# PAM probe 2964 2965if test "$auth_pam" != "no"; then 2966 cat > $TMPC <<EOF 2967#include <security/pam_appl.h> 2968#include <stdio.h> 2969int main(void) { 2970 const char *service_name = "qemu"; 2971 const char *user = "frank"; 2972 const struct pam_conv pam_conv = { 0 }; 2973 pam_handle_t *pamh = NULL; 2974 pam_start(service_name, user, &pam_conv, &pamh); 2975 return 0; 2976} 2977EOF 2978 if compile_prog "" "-lpam" ; then 2979 auth_pam=yes 2980 else 2981 if test "$auth_pam" = "yes"; then 2982 feature_not_found "PAM" "Install PAM development package" 2983 else 2984 auth_pam=no 2985 fi 2986 fi 2987fi 2988 2989########################################## 2990# VTE probe 2991 2992if test "$vte" != "no"; then 2993 vteminversion="0.32.0" 2994 if $pkg_config --exists "vte-2.91"; then 2995 vtepackage="vte-2.91" 2996 else 2997 vtepackage="vte-2.90" 2998 fi 2999 if $pkg_config --exists "$vtepackage >= $vteminversion"; then 3000 vte_cflags=$($pkg_config --cflags $vtepackage) 3001 vte_libs=$($pkg_config --libs $vtepackage) 3002 vteversion=$($pkg_config --modversion $vtepackage) 3003 vte="yes" 3004 elif test "$vte" = "yes"; then 3005 feature_not_found "vte" "Install libvte-2.90/2.91 devel" 3006 else 3007 vte="no" 3008 fi 3009fi 3010 3011########################################## 3012# RDMA needs OpenFabrics libraries 3013if test "$rdma" != "no" ; then 3014 cat > $TMPC <<EOF 3015#include <rdma/rdma_cma.h> 3016int main(void) { return 0; } 3017EOF 3018 rdma_libs="-lrdmacm -libverbs -libumad" 3019 if compile_prog "" "$rdma_libs" ; then 3020 rdma="yes" 3021 else 3022 if test "$rdma" = "yes" ; then 3023 error_exit \ 3024 " OpenFabrics librdmacm/libibverbs/libibumad not present." \ 3025 " Your options:" \ 3026 " (1) Fast: Install infiniband packages (devel) from your distro." \ 3027 " (2) Cleanest: Install libraries from www.openfabrics.org" \ 3028 " (3) Also: Install softiwarp if you don't have RDMA hardware" 3029 fi 3030 rdma="no" 3031 fi 3032fi 3033 3034########################################## 3035# PVRDMA detection 3036 3037cat > $TMPC <<EOF && 3038#include <sys/mman.h> 3039 3040int 3041main(void) 3042{ 3043 char buf = 0; 3044 void *addr = &buf; 3045 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED); 3046 3047 return 0; 3048} 3049EOF 3050 3051if test "$rdma" = "yes" ; then 3052 case "$pvrdma" in 3053 "") 3054 if compile_prog "" ""; then 3055 pvrdma="yes" 3056 else 3057 pvrdma="no" 3058 fi 3059 ;; 3060 "yes") 3061 if ! compile_prog "" ""; then 3062 error_exit "PVRDMA is not supported since mremap is not implemented" 3063 fi 3064 pvrdma="yes" 3065 ;; 3066 "no") 3067 pvrdma="no" 3068 ;; 3069 esac 3070else 3071 if test "$pvrdma" = "yes" ; then 3072 error_exit "PVRDMA requires rdma suppport" 3073 fi 3074 pvrdma="no" 3075fi 3076 3077# Let's see if enhanced reg_mr is supported 3078if test "$pvrdma" = "yes" ; then 3079 3080cat > $TMPC <<EOF && 3081#include <infiniband/verbs.h> 3082 3083int 3084main(void) 3085{ 3086 struct ibv_mr *mr; 3087 struct ibv_pd *pd = NULL; 3088 size_t length = 10; 3089 uint64_t iova = 0; 3090 int access = 0; 3091 void *addr = NULL; 3092 3093 mr = ibv_reg_mr_iova(pd, addr, length, iova, access); 3094 3095 ibv_dereg_mr(mr); 3096 3097 return 0; 3098} 3099EOF 3100 if ! compile_prog "" "-libverbs"; then 3101 QEMU_CFLAGS="$QEMU_CFLAGS -DLEGACY_RDMA_REG_MR" 3102 fi 3103fi 3104 3105########################################## 3106# xfsctl() probe, used for file-posix.c 3107if test "$xfs" != "no" ; then 3108 cat > $TMPC << EOF 3109#include <stddef.h> /* NULL */ 3110#include <xfs/xfs.h> 3111int main(void) 3112{ 3113 xfsctl(NULL, 0, 0, NULL); 3114 return 0; 3115} 3116EOF 3117 if compile_prog "" "" ; then 3118 xfs="yes" 3119 else 3120 if test "$xfs" = "yes" ; then 3121 feature_not_found "xfs" "Install xfsprogs/xfslibs devel" 3122 fi 3123 xfs=no 3124 fi 3125fi 3126 3127########################################## 3128# vde libraries probe 3129if test "$vde" != "no" ; then 3130 vde_libs="-lvdeplug" 3131 cat > $TMPC << EOF 3132#include <libvdeplug.h> 3133int main(void) 3134{ 3135 struct vde_open_args a = {0, 0, 0}; 3136 char s[] = ""; 3137 vde_open(s, s, &a); 3138 return 0; 3139} 3140EOF 3141 if compile_prog "" "$vde_libs" ; then 3142 vde=yes 3143 else 3144 if test "$vde" = "yes" ; then 3145 feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel" 3146 fi 3147 vde=no 3148 fi 3149fi 3150 3151########################################## 3152# netmap support probe 3153# Apart from looking for netmap headers, we make sure that the host API version 3154# supports the netmap backend (>=11). The upper bound (15) is meant to simulate 3155# a minor/major version number. Minor new features will be marked with values up 3156# to 15, and if something happens that requires a change to the backend we will 3157# move above 15, submit the backend fixes and modify this two bounds. 3158if test "$netmap" != "no" ; then 3159 cat > $TMPC << EOF 3160#include <inttypes.h> 3161#include <net/if.h> 3162#include <net/netmap.h> 3163#include <net/netmap_user.h> 3164#if (NETMAP_API < 11) || (NETMAP_API > 15) 3165#error 3166#endif 3167int main(void) { return 0; } 3168EOF 3169 if compile_prog "" "" ; then 3170 netmap=yes 3171 else 3172 if test "$netmap" = "yes" ; then 3173 feature_not_found "netmap" 3174 fi 3175 netmap=no 3176 fi 3177fi 3178 3179########################################## 3180# detect CoreAudio 3181if test "$coreaudio" != "no" ; then 3182 coreaudio_libs="-framework CoreAudio" 3183 cat > $TMPC << EOF 3184#include <CoreAudio/CoreAudio.h> 3185int main(void) 3186{ 3187 return (int)AudioGetCurrentHostTime(); 3188} 3189EOF 3190 if compile_prog "" "$coreaudio_libs" ; then 3191 coreaudio=yes 3192 else 3193 coreaudio=no 3194 fi 3195fi 3196 3197########################################## 3198# Sound support libraries probe 3199 3200audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g') 3201for drv in $audio_drv_list; do 3202 case $drv in 3203 alsa | try-alsa) 3204 if $pkg_config alsa --exists; then 3205 alsa_libs=$($pkg_config alsa --libs) 3206 alsa_cflags=$($pkg_config alsa --cflags) 3207 alsa=yes 3208 if test "$drv" = "try-alsa"; then 3209 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/') 3210 fi 3211 else 3212 if test "$drv" = "try-alsa"; then 3213 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//') 3214 else 3215 error_exit "$drv check failed" \ 3216 "Make sure to have the $drv libs and headers installed." 3217 fi 3218 fi 3219 ;; 3220 3221 pa | try-pa) 3222 if $pkg_config libpulse --exists; then 3223 libpulse=yes 3224 pulse_libs=$($pkg_config libpulse --libs) 3225 pulse_cflags=$($pkg_config libpulse --cflags) 3226 if test "$drv" = "try-pa"; then 3227 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/') 3228 fi 3229 else 3230 if test "$drv" = "try-pa"; then 3231 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//') 3232 else 3233 error_exit "$drv check failed" \ 3234 "Make sure to have the $drv libs and headers installed." 3235 fi 3236 fi 3237 ;; 3238 3239 sdl) 3240 if test "$sdl" = "no"; then 3241 error_exit "sdl not found or disabled, can not use sdl audio driver" 3242 fi 3243 ;; 3244 3245 try-sdl) 3246 if test "$sdl" = "no"; then 3247 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//') 3248 else 3249 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/') 3250 fi 3251 ;; 3252 3253 coreaudio | try-coreaudio) 3254 if test "$coreaudio" = "no"; then 3255 if test "$drv" = "try-coreaudio"; then 3256 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-coreaudio//') 3257 else 3258 error_exit "$drv check failed" \ 3259 "Make sure to have the $drv is available." 3260 fi 3261 else 3262 coreaudio_libs="-framework CoreAudio" 3263 if test "$drv" = "try-coreaudio"; then 3264 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-coreaudio/coreaudio/') 3265 fi 3266 fi 3267 ;; 3268 3269 dsound) 3270 dsound_libs="-lole32 -ldxguid" 3271 audio_win_int="yes" 3272 ;; 3273 3274 oss) 3275 oss_libs="$oss_lib" 3276 ;; 3277 3278 jack | try-jack) 3279 if $pkg_config jack --exists; then 3280 libjack=yes 3281 jack_libs=$($pkg_config jack --libs) 3282 if test "$drv" = "try-jack"; then 3283 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack/jack/') 3284 fi 3285 else 3286 if test "$drv" = "try-jack"; then 3287 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack//') 3288 else 3289 error_exit "$drv check failed" \ 3290 "Make sure to have the $drv libs and headers installed." 3291 fi 3292 fi 3293 ;; 3294 3295 *) 3296 echo "$audio_possible_drivers" | grep -q "\<$drv\>" || { 3297 error_exit "Unknown driver '$drv' selected" \ 3298 "Possible drivers are: $audio_possible_drivers" 3299 } 3300 ;; 3301 esac 3302done 3303 3304########################################## 3305# glib support probe 3306 3307glib_req_ver=2.48 3308glib_modules=gthread-2.0 3309if test "$modules" = yes; then 3310 glib_modules="$glib_modules gmodule-export-2.0" 3311fi 3312if test "$plugins" = yes; then 3313 glib_modules="$glib_modules gmodule-2.0" 3314fi 3315 3316for i in $glib_modules; do 3317 if $pkg_config --atleast-version=$glib_req_ver $i; then 3318 glib_cflags=$($pkg_config --cflags $i) 3319 glib_libs=$($pkg_config --libs $i) 3320 else 3321 error_exit "glib-$glib_req_ver $i is required to compile QEMU" 3322 fi 3323done 3324 3325# This workaround is required due to a bug in pkg-config file for glib as it 3326# doesn't define GLIB_STATIC_COMPILATION for pkg-config --static 3327 3328if test "$static" = yes && test "$mingw32" = yes; then 3329 glib_cflags="-DGLIB_STATIC_COMPILATION $glib_cflags" 3330fi 3331 3332if ! test "$gio" = "no"; then 3333 pass=no 3334 if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then 3335 gio_cflags=$($pkg_config --cflags gio-2.0) 3336 gio_libs=$($pkg_config --libs gio-2.0) 3337 gdbus_codegen=$($pkg_config --variable=gdbus_codegen gio-2.0) 3338 if ! has "$gdbus_codegen"; then 3339 gdbus_codegen= 3340 fi 3341 # Check that the libraries actually work -- Ubuntu 18.04 ships 3342 # with pkg-config --static --libs data for gio-2.0 that is missing 3343 # -lblkid and will give a link error. 3344 cat > $TMPC <<EOF 3345#include <gio/gio.h> 3346int main(void) 3347{ 3348 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0); 3349 return 0; 3350} 3351EOF 3352 if compile_prog "$gio_cflags" "$gio_libs" ; then 3353 pass=yes 3354 else 3355 pass=no 3356 fi 3357 3358 if test "$pass" = "yes" && 3359 $pkg_config --atleast-version=$glib_req_ver gio-unix-2.0; then 3360 gio_cflags="$gio_cflags $($pkg_config --cflags gio-unix-2.0)" 3361 gio_libs="$gio_libs $($pkg_config --libs gio-unix-2.0)" 3362 fi 3363 fi 3364 3365 if test "$pass" = "no"; then 3366 if test "$gio" = "yes"; then 3367 feature_not_found "gio" "Install libgio >= 2.0" 3368 else 3369 gio=no 3370 fi 3371 else 3372 gio=yes 3373 fi 3374fi 3375 3376# Sanity check that the current size_t matches the 3377# size that glib thinks it should be. This catches 3378# problems on multi-arch where people try to build 3379# 32-bit QEMU while pointing at 64-bit glib headers 3380cat > $TMPC <<EOF 3381#include <glib.h> 3382#include <unistd.h> 3383 3384#define QEMU_BUILD_BUG_ON(x) \ 3385 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused)); 3386 3387int main(void) { 3388 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T); 3389 return 0; 3390} 3391EOF 3392 3393if ! compile_prog "$glib_cflags" "$glib_libs" ; then 3394 error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\ 3395 "You probably need to set PKG_CONFIG_LIBDIR"\ 3396 "to point to the right pkg-config files for your"\ 3397 "build target" 3398fi 3399 3400# Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage 3401cat > $TMPC << EOF 3402#include <glib.h> 3403int main(void) { return 0; } 3404EOF 3405if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then 3406 if cc_has_warning_flag "-Wno-unknown-attributes"; then 3407 glib_cflags="-Wno-unknown-attributes $glib_cflags" 3408 CONFIGURE_CFLAGS="-Wno-unknown-attributes $CONFIGURE_CFLAGS" 3409 fi 3410fi 3411 3412# Silence clang warnings triggered by glib < 2.57.2 3413cat > $TMPC << EOF 3414#include <glib.h> 3415typedef struct Foo { 3416 int i; 3417} Foo; 3418static void foo_free(Foo *f) 3419{ 3420 g_free(f); 3421} 3422G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free); 3423int main(void) { return 0; } 3424EOF 3425if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then 3426 if cc_has_warning_flag "-Wno-unused-function"; then 3427 glib_cflags="$glib_cflags -Wno-unused-function" 3428 CONFIGURE_CFLAGS="$CONFIGURE_CFLAGS -Wno-unused-function" 3429 fi 3430fi 3431 3432########################################## 3433# SHA command probe for modules 3434if test "$modules" = yes; then 3435 shacmd_probe="sha1sum sha1 shasum" 3436 for c in $shacmd_probe; do 3437 if has $c; then 3438 shacmd="$c" 3439 break 3440 fi 3441 done 3442 if test "$shacmd" = ""; then 3443 error_exit "one of the checksum commands is required to enable modules: $shacmd_probe" 3444 fi 3445fi 3446 3447########################################## 3448# pthread probe 3449PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2" 3450 3451pthread=no 3452cat > $TMPC << EOF 3453#include <pthread.h> 3454static void *f(void *p) { return NULL; } 3455int main(void) { 3456 pthread_t thread; 3457 pthread_create(&thread, 0, f, 0); 3458 return 0; 3459} 3460EOF 3461if compile_prog "" "" ; then 3462 pthread=yes 3463else 3464 for pthread_lib in $PTHREADLIBS_LIST; do 3465 if compile_prog "" "$pthread_lib" ; then 3466 pthread=yes 3467 break 3468 fi 3469 done 3470fi 3471 3472if test "$mingw32" != yes && test "$pthread" = no; then 3473 error_exit "pthread check failed" \ 3474 "Make sure to have the pthread libs and headers installed." 3475fi 3476 3477# check for pthread_setname_np with thread id 3478pthread_setname_np_w_tid=no 3479cat > $TMPC << EOF 3480#include <pthread.h> 3481 3482static void *f(void *p) { return NULL; } 3483int main(void) 3484{ 3485 pthread_t thread; 3486 pthread_create(&thread, 0, f, 0); 3487 pthread_setname_np(thread, "QEMU"); 3488 return 0; 3489} 3490EOF 3491if compile_prog "" "$pthread_lib" ; then 3492 pthread_setname_np_w_tid=yes 3493fi 3494 3495# check for pthread_setname_np without thread id 3496pthread_setname_np_wo_tid=no 3497cat > $TMPC << EOF 3498#include <pthread.h> 3499 3500static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; } 3501int main(void) 3502{ 3503 pthread_t thread; 3504 pthread_create(&thread, 0, f, 0); 3505 return 0; 3506} 3507EOF 3508if compile_prog "" "$pthread_lib" ; then 3509 pthread_setname_np_wo_tid=yes 3510fi 3511 3512########################################## 3513# libssh probe 3514if test "$libssh" != "no" ; then 3515 if $pkg_config --exists libssh; then 3516 libssh_cflags=$($pkg_config libssh --cflags) 3517 libssh_libs=$($pkg_config libssh --libs) 3518 libssh=yes 3519 else 3520 if test "$libssh" = "yes" ; then 3521 error_exit "libssh required for --enable-libssh" 3522 fi 3523 libssh=no 3524 fi 3525fi 3526 3527########################################## 3528# Check for libssh 0.8 3529# This is done like this instead of using the LIBSSH_VERSION_* and 3530# SSH_VERSION_* macros because some distributions in the past shipped 3531# snapshots of the future 0.8 from Git, and those snapshots did not 3532# have updated version numbers (still referring to 0.7.0). 3533 3534if test "$libssh" = "yes"; then 3535 cat > $TMPC <<EOF 3536#include <libssh/libssh.h> 3537int main(void) { return ssh_get_server_publickey(NULL, NULL); } 3538EOF 3539 if compile_prog "$libssh_cflags" "$libssh_libs"; then 3540 libssh_cflags="-DHAVE_LIBSSH_0_8 $libssh_cflags" 3541 fi 3542fi 3543 3544########################################## 3545# linux-aio probe 3546 3547if test "$linux_aio" != "no" ; then 3548 cat > $TMPC <<EOF 3549#include <libaio.h> 3550#include <sys/eventfd.h> 3551#include <stddef.h> 3552int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; } 3553EOF 3554 if compile_prog "" "-laio" ; then 3555 linux_aio=yes 3556 else 3557 if test "$linux_aio" = "yes" ; then 3558 feature_not_found "linux AIO" "Install libaio devel" 3559 fi 3560 linux_aio=no 3561 fi 3562fi 3563########################################## 3564# linux-io-uring probe 3565 3566if test "$linux_io_uring" != "no" ; then 3567 if $pkg_config liburing; then 3568 linux_io_uring_cflags=$($pkg_config --cflags liburing) 3569 linux_io_uring_libs=$($pkg_config --libs liburing) 3570 linux_io_uring=yes 3571 else 3572 if test "$linux_io_uring" = "yes" ; then 3573 feature_not_found "linux io_uring" "Install liburing devel" 3574 fi 3575 linux_io_uring=no 3576 fi 3577fi 3578 3579########################################## 3580# TPM emulation is only on POSIX 3581 3582if test "$tpm" = ""; then 3583 if test "$mingw32" = "yes"; then 3584 tpm=no 3585 else 3586 tpm=yes 3587 fi 3588elif test "$tpm" = "yes"; then 3589 if test "$mingw32" = "yes" ; then 3590 error_exit "TPM emulation only available on POSIX systems" 3591 fi 3592fi 3593 3594########################################## 3595# iovec probe 3596cat > $TMPC <<EOF 3597#include <sys/types.h> 3598#include <sys/uio.h> 3599#include <unistd.h> 3600int main(void) { return sizeof(struct iovec); } 3601EOF 3602iovec=no 3603if compile_prog "" "" ; then 3604 iovec=yes 3605fi 3606 3607########################################## 3608# fdt probe 3609 3610case "$fdt" in 3611 auto | enabled | internal) 3612 # Simpler to always update submodule, even if not needed. 3613 if test "$git_submodules_action" != "ignore"; then 3614 git_submodules="${git_submodules} dtc" 3615 fi 3616 ;; 3617esac 3618 3619########################################## 3620# opengl probe (for sdl2, gtk) 3621 3622gbm="no" 3623if $pkg_config gbm; then 3624 gbm_cflags="$($pkg_config --cflags gbm)" 3625 gbm_libs="$($pkg_config --libs gbm)" 3626 gbm="yes" 3627fi 3628 3629if test "$opengl" != "no" ; then 3630 epoxy=no 3631 if $pkg_config epoxy; then 3632 cat > $TMPC << EOF 3633#include <epoxy/egl.h> 3634int main(void) { return 0; } 3635EOF 3636 if compile_prog "" "" ; then 3637 epoxy=yes 3638 fi 3639 fi 3640 3641 if test "$epoxy" = "yes" ; then 3642 opengl_cflags="$($pkg_config --cflags epoxy)" 3643 opengl_libs="$($pkg_config --libs epoxy)" 3644 opengl=yes 3645 else 3646 if test "$opengl" = "yes" ; then 3647 feature_not_found "opengl" "Please install epoxy with EGL" 3648 fi 3649 opengl_cflags="" 3650 opengl_libs="" 3651 opengl=no 3652 fi 3653fi 3654 3655########################################## 3656# libxml2 probe 3657if test "$libxml2" != "no" ; then 3658 if $pkg_config --exists libxml-2.0; then 3659 libxml2="yes" 3660 libxml2_cflags=$($pkg_config --cflags libxml-2.0) 3661 libxml2_libs=$($pkg_config --libs libxml-2.0) 3662 else 3663 if test "$libxml2" = "yes"; then 3664 feature_not_found "libxml2" "Install libxml2 devel" 3665 fi 3666 libxml2="no" 3667 fi 3668fi 3669 3670# Check for inotify functions when we are building linux-user 3671# emulator. This is done because older glibc versions don't 3672# have syscall stubs for these implemented. In that case we 3673# don't provide them even if kernel supports them. 3674# 3675inotify=no 3676cat > $TMPC << EOF 3677#include <sys/inotify.h> 3678 3679int 3680main(void) 3681{ 3682 /* try to start inotify */ 3683 return inotify_init(); 3684} 3685EOF 3686if compile_prog "" "" ; then 3687 inotify=yes 3688fi 3689 3690inotify1=no 3691cat > $TMPC << EOF 3692#include <sys/inotify.h> 3693 3694int 3695main(void) 3696{ 3697 /* try to start inotify */ 3698 return inotify_init1(0); 3699} 3700EOF 3701if compile_prog "" "" ; then 3702 inotify1=yes 3703fi 3704 3705# check if pipe2 is there 3706pipe2=no 3707cat > $TMPC << EOF 3708#include <unistd.h> 3709#include <fcntl.h> 3710 3711int main(void) 3712{ 3713 int pipefd[2]; 3714 return pipe2(pipefd, O_CLOEXEC); 3715} 3716EOF 3717if compile_prog "" "" ; then 3718 pipe2=yes 3719fi 3720 3721# check if accept4 is there 3722accept4=no 3723cat > $TMPC << EOF 3724#include <sys/socket.h> 3725#include <stddef.h> 3726 3727int main(void) 3728{ 3729 accept4(0, NULL, NULL, SOCK_CLOEXEC); 3730 return 0; 3731} 3732EOF 3733if compile_prog "" "" ; then 3734 accept4=yes 3735fi 3736 3737# check if tee/splice is there. vmsplice was added same time. 3738splice=no 3739cat > $TMPC << EOF 3740#include <unistd.h> 3741#include <fcntl.h> 3742#include <limits.h> 3743 3744int main(void) 3745{ 3746 int len, fd = 0; 3747 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK); 3748 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE); 3749 return 0; 3750} 3751EOF 3752if compile_prog "" "" ; then 3753 splice=yes 3754fi 3755 3756########################################## 3757# libnuma probe 3758 3759if test "$numa" != "no" ; then 3760 cat > $TMPC << EOF 3761#include <numa.h> 3762int main(void) { return numa_available(); } 3763EOF 3764 3765 if compile_prog "" "-lnuma" ; then 3766 numa=yes 3767 numa_libs="-lnuma" 3768 else 3769 if test "$numa" = "yes" ; then 3770 feature_not_found "numa" "install numactl devel" 3771 fi 3772 numa=no 3773 fi 3774fi 3775 3776malloc=system 3777if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then 3778 echo "ERROR: tcmalloc && jemalloc can't be used at the same time" 3779 exit 1 3780elif test "$tcmalloc" = "yes" ; then 3781 malloc=tcmalloc 3782elif test "$jemalloc" = "yes" ; then 3783 malloc=jemalloc 3784fi 3785 3786########################################## 3787# signalfd probe 3788signalfd="no" 3789cat > $TMPC << EOF 3790#include <unistd.h> 3791#include <sys/syscall.h> 3792#include <signal.h> 3793int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); } 3794EOF 3795 3796if compile_prog "" "" ; then 3797 signalfd=yes 3798fi 3799 3800# check if optreset global is declared by <getopt.h> 3801optreset="no" 3802cat > $TMPC << EOF 3803#include <getopt.h> 3804int main(void) { return optreset; } 3805EOF 3806 3807if compile_prog "" "" ; then 3808 optreset=yes 3809fi 3810 3811# check if eventfd is supported 3812eventfd=no 3813cat > $TMPC << EOF 3814#include <sys/eventfd.h> 3815 3816int main(void) 3817{ 3818 return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); 3819} 3820EOF 3821if compile_prog "" "" ; then 3822 eventfd=yes 3823fi 3824 3825# check if memfd is supported 3826memfd=no 3827cat > $TMPC << EOF 3828#include <sys/mman.h> 3829 3830int main(void) 3831{ 3832 return memfd_create("foo", MFD_ALLOW_SEALING); 3833} 3834EOF 3835if compile_prog "" "" ; then 3836 memfd=yes 3837fi 3838 3839# check for usbfs 3840have_usbfs=no 3841if test "$linux_user" = "yes"; then 3842 cat > $TMPC << EOF 3843#include <linux/usbdevice_fs.h> 3844 3845#ifndef USBDEVFS_GET_CAPABILITIES 3846#error "USBDEVFS_GET_CAPABILITIES undefined" 3847#endif 3848 3849#ifndef USBDEVFS_DISCONNECT_CLAIM 3850#error "USBDEVFS_DISCONNECT_CLAIM undefined" 3851#endif 3852 3853int main(void) 3854{ 3855 return 0; 3856} 3857EOF 3858 if compile_prog "" ""; then 3859 have_usbfs=yes 3860 fi 3861fi 3862 3863# check for fallocate 3864fallocate=no 3865cat > $TMPC << EOF 3866#include <fcntl.h> 3867 3868int main(void) 3869{ 3870 fallocate(0, 0, 0, 0); 3871 return 0; 3872} 3873EOF 3874if compile_prog "" "" ; then 3875 fallocate=yes 3876fi 3877 3878# check for fallocate hole punching 3879fallocate_punch_hole=no 3880cat > $TMPC << EOF 3881#include <fcntl.h> 3882#include <linux/falloc.h> 3883 3884int main(void) 3885{ 3886 fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0); 3887 return 0; 3888} 3889EOF 3890if compile_prog "" "" ; then 3891 fallocate_punch_hole=yes 3892fi 3893 3894# check that fallocate supports range zeroing inside the file 3895fallocate_zero_range=no 3896cat > $TMPC << EOF 3897#include <fcntl.h> 3898#include <linux/falloc.h> 3899 3900int main(void) 3901{ 3902 fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0); 3903 return 0; 3904} 3905EOF 3906if compile_prog "" "" ; then 3907 fallocate_zero_range=yes 3908fi 3909 3910# check for posix_fallocate 3911posix_fallocate=no 3912cat > $TMPC << EOF 3913#include <fcntl.h> 3914 3915int main(void) 3916{ 3917 posix_fallocate(0, 0, 0); 3918 return 0; 3919} 3920EOF 3921if compile_prog "" "" ; then 3922 posix_fallocate=yes 3923fi 3924 3925# check for sync_file_range 3926sync_file_range=no 3927cat > $TMPC << EOF 3928#include <fcntl.h> 3929 3930int main(void) 3931{ 3932 sync_file_range(0, 0, 0, 0); 3933 return 0; 3934} 3935EOF 3936if compile_prog "" "" ; then 3937 sync_file_range=yes 3938fi 3939 3940# check for linux/fiemap.h and FS_IOC_FIEMAP 3941fiemap=no 3942cat > $TMPC << EOF 3943#include <sys/ioctl.h> 3944#include <linux/fs.h> 3945#include <linux/fiemap.h> 3946 3947int main(void) 3948{ 3949 ioctl(0, FS_IOC_FIEMAP, 0); 3950 return 0; 3951} 3952EOF 3953if compile_prog "" "" ; then 3954 fiemap=yes 3955fi 3956 3957# check for dup3 3958dup3=no 3959cat > $TMPC << EOF 3960#include <unistd.h> 3961 3962int main(void) 3963{ 3964 dup3(0, 0, 0); 3965 return 0; 3966} 3967EOF 3968if compile_prog "" "" ; then 3969 dup3=yes 3970fi 3971 3972# check for ppoll support 3973ppoll=no 3974cat > $TMPC << EOF 3975#include <poll.h> 3976 3977int main(void) 3978{ 3979 struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 }; 3980 ppoll(&pfd, 1, 0, 0); 3981 return 0; 3982} 3983EOF 3984if compile_prog "" "" ; then 3985 ppoll=yes 3986fi 3987 3988# check for prctl(PR_SET_TIMERSLACK , ... ) support 3989prctl_pr_set_timerslack=no 3990cat > $TMPC << EOF 3991#include <sys/prctl.h> 3992 3993int main(void) 3994{ 3995 prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0); 3996 return 0; 3997} 3998EOF 3999if compile_prog "" "" ; then 4000 prctl_pr_set_timerslack=yes 4001fi 4002 4003# check for epoll support 4004epoll=no 4005cat > $TMPC << EOF 4006#include <sys/epoll.h> 4007 4008int main(void) 4009{ 4010 epoll_create(0); 4011 return 0; 4012} 4013EOF 4014if compile_prog "" "" ; then 4015 epoll=yes 4016fi 4017 4018# epoll_create1 is a later addition 4019# so we must check separately for its presence 4020epoll_create1=no 4021cat > $TMPC << EOF 4022#include <sys/epoll.h> 4023 4024int main(void) 4025{ 4026 /* Note that we use epoll_create1 as a value, not as 4027 * a function being called. This is necessary so that on 4028 * old SPARC glibc versions where the function was present in 4029 * the library but not declared in the header file we will 4030 * fail the configure check. (Otherwise we will get a compiler 4031 * warning but not an error, and will proceed to fail the 4032 * qemu compile where we compile with -Werror.) 4033 */ 4034 return (int)(uintptr_t)&epoll_create1; 4035} 4036EOF 4037if compile_prog "" "" ; then 4038 epoll_create1=yes 4039fi 4040 4041# check for sendfile support 4042sendfile=no 4043cat > $TMPC << EOF 4044#include <sys/sendfile.h> 4045 4046int main(void) 4047{ 4048 return sendfile(0, 0, 0, 0); 4049} 4050EOF 4051if compile_prog "" "" ; then 4052 sendfile=yes 4053fi 4054 4055# check for timerfd support (glibc 2.8 and newer) 4056timerfd=no 4057cat > $TMPC << EOF 4058#include <sys/timerfd.h> 4059 4060int main(void) 4061{ 4062 return(timerfd_create(CLOCK_REALTIME, 0)); 4063} 4064EOF 4065if compile_prog "" "" ; then 4066 timerfd=yes 4067fi 4068 4069# check for setns and unshare support 4070setns=no 4071cat > $TMPC << EOF 4072#include <sched.h> 4073 4074int main(void) 4075{ 4076 int ret; 4077 ret = setns(0, 0); 4078 ret = unshare(0); 4079 return ret; 4080} 4081EOF 4082if compile_prog "" "" ; then 4083 setns=yes 4084fi 4085 4086# clock_adjtime probe 4087clock_adjtime=no 4088cat > $TMPC <<EOF 4089#include <time.h> 4090#include <sys/timex.h> 4091 4092int main(void) 4093{ 4094 return clock_adjtime(0, 0); 4095} 4096EOF 4097clock_adjtime=no 4098if compile_prog "" "" ; then 4099 clock_adjtime=yes 4100fi 4101 4102# syncfs probe 4103syncfs=no 4104cat > $TMPC <<EOF 4105#include <unistd.h> 4106 4107int main(void) 4108{ 4109 return syncfs(0); 4110} 4111EOF 4112syncfs=no 4113if compile_prog "" "" ; then 4114 syncfs=yes 4115fi 4116 4117# Search for bswap_32 function 4118byteswap_h=no 4119cat > $TMPC << EOF 4120#include <byteswap.h> 4121int main(void) { return bswap_32(0); } 4122EOF 4123if compile_prog "" "" ; then 4124 byteswap_h=yes 4125fi 4126 4127# Search for bswap32 function 4128bswap_h=no 4129cat > $TMPC << EOF 4130#include <sys/endian.h> 4131#include <sys/types.h> 4132#include <machine/bswap.h> 4133int main(void) { return bswap32(0); } 4134EOF 4135if compile_prog "" "" ; then 4136 bswap_h=yes 4137fi 4138 4139# Check whether we have openpty() in either libc or libutil 4140cat > $TMPC << EOF 4141extern int openpty(int *am, int *as, char *name, void *termp, void *winp); 4142int main(void) { return openpty(0, 0, 0, 0, 0); } 4143EOF 4144 4145have_openpty="no" 4146if compile_prog "" "" ; then 4147 have_openpty="yes" 4148else 4149 if compile_prog "" "-lutil" ; then 4150 have_openpty="yes" 4151 fi 4152fi 4153 4154########################################## 4155# spice probe 4156if test "$spice" != "no" ; then 4157 cat > $TMPC << EOF 4158#include <spice.h> 4159int main(void) { spice_server_new(); return 0; } 4160EOF 4161 spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null) 4162 spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null) 4163 if $pkg_config --atleast-version=0.12.5 spice-server && \ 4164 $pkg_config --atleast-version=0.12.3 spice-protocol && \ 4165 compile_prog "$spice_cflags" "$spice_libs" ; then 4166 spice="yes" 4167 else 4168 if test "$spice" = "yes" ; then 4169 feature_not_found "spice" \ 4170 "Install spice-server(>=0.12.5) and spice-protocol(>=0.12.3) devel" 4171 fi 4172 spice="no" 4173 fi 4174fi 4175 4176# check for smartcard support 4177if test "$smartcard" != "no"; then 4178 if $pkg_config --atleast-version=2.5.1 libcacard; then 4179 libcacard_cflags=$($pkg_config --cflags libcacard) 4180 libcacard_libs=$($pkg_config --libs libcacard) 4181 smartcard="yes" 4182 else 4183 if test "$smartcard" = "yes"; then 4184 feature_not_found "smartcard" "Install libcacard devel" 4185 fi 4186 smartcard="no" 4187 fi 4188fi 4189 4190# check for libusb 4191if test "$libusb" != "no" ; then 4192 if $pkg_config --atleast-version=1.0.13 libusb-1.0; then 4193 libusb="yes" 4194 libusb_cflags=$($pkg_config --cflags libusb-1.0) 4195 libusb_libs=$($pkg_config --libs libusb-1.0) 4196 else 4197 if test "$libusb" = "yes"; then 4198 feature_not_found "libusb" "Install libusb devel >= 1.0.13" 4199 fi 4200 libusb="no" 4201 fi 4202fi 4203 4204# check for usbredirparser for usb network redirection support 4205if test "$usb_redir" != "no" ; then 4206 if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then 4207 usb_redir="yes" 4208 usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5) 4209 usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5) 4210 else 4211 if test "$usb_redir" = "yes"; then 4212 feature_not_found "usb-redir" "Install usbredir devel" 4213 fi 4214 usb_redir="no" 4215 fi 4216fi 4217 4218########################################## 4219# check if we have VSS SDK headers for win 4220 4221if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \ 4222 test "$vss_win32_sdk" != "no" ; then 4223 case "$vss_win32_sdk" in 4224 "") vss_win32_include="-isystem $source_path" ;; 4225 *\ *) # The SDK is installed in "Program Files" by default, but we cannot 4226 # handle path with spaces. So we symlink the headers into ".sdk/vss". 4227 vss_win32_include="-isystem $source_path/.sdk/vss" 4228 symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc" 4229 ;; 4230 *) vss_win32_include="-isystem $vss_win32_sdk" 4231 esac 4232 cat > $TMPC << EOF 4233#define __MIDL_user_allocate_free_DEFINED__ 4234#include <inc/win2003/vss.h> 4235int main(void) { return VSS_CTX_BACKUP; } 4236EOF 4237 if compile_prog "$vss_win32_include" "" ; then 4238 guest_agent_with_vss="yes" 4239 QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include" 4240 libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga" 4241 qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb" 4242 else 4243 if test "$vss_win32_sdk" != "" ; then 4244 echo "ERROR: Please download and install Microsoft VSS SDK:" 4245 echo "ERROR: http://www.microsoft.com/en-us/download/details.aspx?id=23490" 4246 echo "ERROR: On POSIX-systems, you can extract the SDK headers by:" 4247 echo "ERROR: scripts/extract-vsssdk-headers setup.exe" 4248 echo "ERROR: The headers are extracted in the directory \`inc'." 4249 feature_not_found "VSS support" 4250 fi 4251 guest_agent_with_vss="no" 4252 fi 4253fi 4254 4255########################################## 4256# lookup Windows platform SDK (if not specified) 4257# The SDK is needed only to build .tlb (type library) file of guest agent 4258# VSS provider from the source. It is usually unnecessary because the 4259# pre-compiled .tlb file is included. 4260 4261if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \ 4262 test "$guest_agent_with_vss" = "yes" ; then 4263 if test -z "$win_sdk"; then 4264 programfiles="$PROGRAMFILES" 4265 test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432" 4266 if test -n "$programfiles"; then 4267 win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null 4268 else 4269 feature_not_found "Windows SDK" 4270 fi 4271 elif test "$win_sdk" = "no"; then 4272 win_sdk="" 4273 fi 4274fi 4275 4276########################################## 4277# check if mingw environment provides a recent ntddscsi.h 4278if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then 4279 cat > $TMPC << EOF 4280#include <windows.h> 4281#include <ntddscsi.h> 4282int main(void) { 4283#if !defined(IOCTL_SCSI_GET_ADDRESS) 4284#error Missing required ioctl definitions 4285#endif 4286 SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 }; 4287 return addr.Lun; 4288} 4289EOF 4290 if compile_prog "" "" ; then 4291 guest_agent_ntddscsi=yes 4292 libs_qga="-lsetupapi -lcfgmgr32 $libs_qga" 4293 fi 4294fi 4295 4296########################################## 4297# virgl renderer probe 4298 4299if test "$virglrenderer" != "no" ; then 4300 cat > $TMPC << EOF 4301#include <virglrenderer.h> 4302int main(void) { virgl_renderer_poll(); return 0; } 4303EOF 4304 virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null) 4305 virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null) 4306 virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null) 4307 if $pkg_config virglrenderer >/dev/null 2>&1 && \ 4308 compile_prog "$virgl_cflags" "$virgl_libs" ; then 4309 virglrenderer="yes" 4310 else 4311 if test "$virglrenderer" = "yes" ; then 4312 feature_not_found "virglrenderer" 4313 fi 4314 virglrenderer="no" 4315 fi 4316fi 4317 4318########################################## 4319# capstone 4320 4321case "$capstone" in 4322 auto | enabled | internal) 4323 # Simpler to always update submodule, even if not needed. 4324 if test "$git_submodules_action" != "ignore"; then 4325 git_submodules="${git_submodules} capstone" 4326 fi 4327 ;; 4328esac 4329 4330########################################## 4331# check if we have fdatasync 4332 4333fdatasync=no 4334cat > $TMPC << EOF 4335#include <unistd.h> 4336int main(void) { 4337#if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0 4338return fdatasync(0); 4339#else 4340#error Not supported 4341#endif 4342} 4343EOF 4344if compile_prog "" "" ; then 4345 fdatasync=yes 4346fi 4347 4348########################################## 4349# check if we have madvise 4350 4351madvise=no 4352cat > $TMPC << EOF 4353#include <sys/types.h> 4354#include <sys/mman.h> 4355#include <stddef.h> 4356int main(void) { return madvise(NULL, 0, MADV_DONTNEED); } 4357EOF 4358if compile_prog "" "" ; then 4359 madvise=yes 4360fi 4361 4362########################################## 4363# check if we have posix_madvise 4364 4365posix_madvise=no 4366cat > $TMPC << EOF 4367#include <sys/mman.h> 4368#include <stddef.h> 4369int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); } 4370EOF 4371if compile_prog "" "" ; then 4372 posix_madvise=yes 4373fi 4374 4375########################################## 4376# check if we have posix_memalign() 4377 4378posix_memalign=no 4379cat > $TMPC << EOF 4380#include <stdlib.h> 4381int main(void) { 4382 void *p; 4383 return posix_memalign(&p, 8, 8); 4384} 4385EOF 4386if compile_prog "" "" ; then 4387 posix_memalign=yes 4388fi 4389 4390########################################## 4391# check if we have posix_syslog 4392 4393posix_syslog=no 4394cat > $TMPC << EOF 4395#include <syslog.h> 4396int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; } 4397EOF 4398if compile_prog "" "" ; then 4399 posix_syslog=yes 4400fi 4401 4402########################################## 4403# check if we have sem_timedwait 4404 4405sem_timedwait=no 4406cat > $TMPC << EOF 4407#include <semaphore.h> 4408int main(void) { sem_t s; struct timespec t = {0}; return sem_timedwait(&s, &t); } 4409EOF 4410if compile_prog "" "" ; then 4411 sem_timedwait=yes 4412fi 4413 4414########################################## 4415# check if we have strchrnul 4416 4417strchrnul=no 4418cat > $TMPC << EOF 4419#include <string.h> 4420int main(void); 4421// Use a haystack that the compiler shouldn't be able to constant fold 4422char *haystack = (char*)&main; 4423int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; } 4424EOF 4425if compile_prog "" "" ; then 4426 strchrnul=yes 4427fi 4428 4429######################################### 4430# check if we have st_atim 4431 4432st_atim=no 4433cat > $TMPC << EOF 4434#include <sys/stat.h> 4435#include <stddef.h> 4436int main(void) { return offsetof(struct stat, st_atim); } 4437EOF 4438if compile_prog "" "" ; then 4439 st_atim=yes 4440fi 4441 4442########################################## 4443# check if trace backend exists 4444 4445$python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends > /dev/null 2> /dev/null 4446if test "$?" -ne 0 ; then 4447 error_exit "invalid trace backends" \ 4448 "Please choose supported trace backends." 4449fi 4450 4451########################################## 4452# For 'ust' backend, test if ust headers are present 4453if have_backend "ust"; then 4454 cat > $TMPC << EOF 4455#include <lttng/tracepoint.h> 4456int main(void) { return 0; } 4457EOF 4458 if compile_prog "" "-Wl,--no-as-needed -ldl" ; then 4459 if $pkg_config lttng-ust --exists; then 4460 lttng_ust_libs=$($pkg_config --libs lttng-ust) 4461 else 4462 lttng_ust_libs="-llttng-ust -ldl" 4463 fi 4464 if $pkg_config liburcu-bp --exists; then 4465 urcu_bp_libs=$($pkg_config --libs liburcu-bp) 4466 else 4467 urcu_bp_libs="-lurcu-bp" 4468 fi 4469 else 4470 error_exit "Trace backend 'ust' missing lttng-ust header files" 4471 fi 4472fi 4473 4474########################################## 4475# For 'dtrace' backend, test if 'dtrace' command is present 4476if have_backend "dtrace"; then 4477 if ! has 'dtrace' ; then 4478 error_exit "dtrace command is not found in PATH $PATH" 4479 fi 4480 trace_backend_stap="no" 4481 if has 'stap' ; then 4482 trace_backend_stap="yes" 4483 4484 # Workaround to avoid dtrace(1) producing a file with 'hidden' symbol 4485 # visibility. Define STAP_SDT_V2 to produce 'default' symbol visibility 4486 # instead. QEMU --enable-modules depends on this because the SystemTap 4487 # semaphores are linked into the main binary and not the module's shared 4488 # object. 4489 QEMU_CFLAGS="$QEMU_CFLAGS -DSTAP_SDT_V2" 4490 fi 4491fi 4492 4493########################################## 4494# check and set a backend for coroutine 4495 4496# We prefer ucontext, but it's not always possible. The fallback 4497# is sigcontext. On Windows the only valid backend is the Windows 4498# specific one. 4499 4500ucontext_works=no 4501if test "$darwin" != "yes"; then 4502 cat > $TMPC << EOF 4503#include <ucontext.h> 4504#ifdef __stub_makecontext 4505#error Ignoring glibc stub makecontext which will always fail 4506#endif 4507int main(void) { makecontext(0, 0, 0); return 0; } 4508EOF 4509 if compile_prog "" "" ; then 4510 ucontext_works=yes 4511 fi 4512fi 4513 4514if test "$coroutine" = ""; then 4515 if test "$mingw32" = "yes"; then 4516 coroutine=win32 4517 elif test "$ucontext_works" = "yes"; then 4518 coroutine=ucontext 4519 else 4520 coroutine=sigaltstack 4521 fi 4522else 4523 case $coroutine in 4524 windows) 4525 if test "$mingw32" != "yes"; then 4526 error_exit "'windows' coroutine backend only valid for Windows" 4527 fi 4528 # Unfortunately the user visible backend name doesn't match the 4529 # coroutine-*.c filename for this case, so we have to adjust it here. 4530 coroutine=win32 4531 ;; 4532 ucontext) 4533 if test "$ucontext_works" != "yes"; then 4534 feature_not_found "ucontext" 4535 fi 4536 ;; 4537 sigaltstack) 4538 if test "$mingw32" = "yes"; then 4539 error_exit "only the 'windows' coroutine backend is valid for Windows" 4540 fi 4541 ;; 4542 *) 4543 error_exit "unknown coroutine backend $coroutine" 4544 ;; 4545 esac 4546fi 4547 4548if test "$coroutine_pool" = ""; then 4549 coroutine_pool=yes 4550fi 4551 4552if test "$debug_stack_usage" = "yes"; then 4553 if test "$coroutine_pool" = "yes"; then 4554 echo "WARN: disabling coroutine pool for stack usage debugging" 4555 coroutine_pool=no 4556 fi 4557fi 4558 4559################################################## 4560# SafeStack 4561 4562 4563if test "$safe_stack" = "yes"; then 4564cat > $TMPC << EOF 4565int main(int argc, char *argv[]) 4566{ 4567#if ! __has_feature(safe_stack) 4568#error SafeStack Disabled 4569#endif 4570 return 0; 4571} 4572EOF 4573 flag="-fsanitize=safe-stack" 4574 # Check that safe-stack is supported and enabled. 4575 if compile_prog "-Werror $flag" "$flag"; then 4576 # Flag needed both at compilation and at linking 4577 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 4578 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 4579 else 4580 error_exit "SafeStack not supported by your compiler" 4581 fi 4582 if test "$coroutine" != "ucontext"; then 4583 error_exit "SafeStack is only supported by the coroutine backend ucontext" 4584 fi 4585else 4586cat > $TMPC << EOF 4587int main(int argc, char *argv[]) 4588{ 4589#if defined(__has_feature) 4590#if __has_feature(safe_stack) 4591#error SafeStack Enabled 4592#endif 4593#endif 4594 return 0; 4595} 4596EOF 4597if test "$safe_stack" = "no"; then 4598 # Make sure that safe-stack is disabled 4599 if ! compile_prog "-Werror" ""; then 4600 # SafeStack was already enabled, try to explicitly remove the feature 4601 flag="-fno-sanitize=safe-stack" 4602 if ! compile_prog "-Werror $flag" "$flag"; then 4603 error_exit "Configure cannot disable SafeStack" 4604 fi 4605 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 4606 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 4607 fi 4608else # "$safe_stack" = "" 4609 # Set safe_stack to yes or no based on pre-existing flags 4610 if compile_prog "-Werror" ""; then 4611 safe_stack="no" 4612 else 4613 safe_stack="yes" 4614 if test "$coroutine" != "ucontext"; then 4615 error_exit "SafeStack is only supported by the coroutine backend ucontext" 4616 fi 4617 fi 4618fi 4619fi 4620 4621########################################## 4622# check if we have open_by_handle_at 4623 4624open_by_handle_at=no 4625cat > $TMPC << EOF 4626#include <fcntl.h> 4627#if !defined(AT_EMPTY_PATH) 4628# error missing definition 4629#else 4630int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); } 4631#endif 4632EOF 4633if compile_prog "" "" ; then 4634 open_by_handle_at=yes 4635fi 4636 4637######################################## 4638# check if we have linux/magic.h 4639 4640linux_magic_h=no 4641cat > $TMPC << EOF 4642#include <linux/magic.h> 4643int main(void) { 4644 return 0; 4645} 4646EOF 4647if compile_prog "" "" ; then 4648 linux_magic_h=yes 4649fi 4650 4651######################################## 4652# check if we have valgrind/valgrind.h 4653 4654valgrind_h=no 4655cat > $TMPC << EOF 4656#include <valgrind/valgrind.h> 4657int main(void) { 4658 return 0; 4659} 4660EOF 4661if compile_prog "" "" ; then 4662 valgrind_h=yes 4663fi 4664 4665######################################## 4666# check if environ is declared 4667 4668has_environ=no 4669cat > $TMPC << EOF 4670#include <unistd.h> 4671int main(void) { 4672 environ = 0; 4673 return 0; 4674} 4675EOF 4676if compile_prog "" "" ; then 4677 has_environ=yes 4678fi 4679 4680######################################## 4681# check if cpuid.h is usable. 4682 4683cat > $TMPC << EOF 4684#include <cpuid.h> 4685int main(void) { 4686 unsigned a, b, c, d; 4687 int max = __get_cpuid_max(0, 0); 4688 4689 if (max >= 1) { 4690 __cpuid(1, a, b, c, d); 4691 } 4692 4693 if (max >= 7) { 4694 __cpuid_count(7, 0, a, b, c, d); 4695 } 4696 4697 return 0; 4698} 4699EOF 4700if compile_prog "" "" ; then 4701 cpuid_h=yes 4702fi 4703 4704########################################## 4705# avx2 optimization requirement check 4706# 4707# There is no point enabling this if cpuid.h is not usable, 4708# since we won't be able to select the new routines. 4709 4710if test "$cpuid_h" = "yes" && test "$avx2_opt" != "no"; then 4711 cat > $TMPC << EOF 4712#pragma GCC push_options 4713#pragma GCC target("avx2") 4714#include <cpuid.h> 4715#include <immintrin.h> 4716static int bar(void *a) { 4717 __m256i x = *(__m256i *)a; 4718 return _mm256_testz_si256(x, x); 4719} 4720int main(int argc, char *argv[]) { return bar(argv[0]); } 4721EOF 4722 if compile_object "" ; then 4723 avx2_opt="yes" 4724 else 4725 avx2_opt="no" 4726 fi 4727fi 4728 4729########################################## 4730# avx512f optimization requirement check 4731# 4732# There is no point enabling this if cpuid.h is not usable, 4733# since we won't be able to select the new routines. 4734# by default, it is turned off. 4735# if user explicitly want to enable it, check environment 4736 4737if test "$cpuid_h" = "yes" && test "$avx512f_opt" = "yes"; then 4738 cat > $TMPC << EOF 4739#pragma GCC push_options 4740#pragma GCC target("avx512f") 4741#include <cpuid.h> 4742#include <immintrin.h> 4743static int bar(void *a) { 4744 __m512i x = *(__m512i *)a; 4745 return _mm512_test_epi64_mask(x, x); 4746} 4747int main(int argc, char *argv[]) 4748{ 4749 return bar(argv[0]); 4750} 4751EOF 4752 if ! compile_object "" ; then 4753 avx512f_opt="no" 4754 fi 4755else 4756 avx512f_opt="no" 4757fi 4758 4759######################################## 4760# check if __[u]int128_t is usable. 4761 4762int128=no 4763cat > $TMPC << EOF 4764__int128_t a; 4765__uint128_t b; 4766int main (void) { 4767 a = a + b; 4768 b = a * b; 4769 a = a * a; 4770 return 0; 4771} 4772EOF 4773if compile_prog "" "" ; then 4774 int128=yes 4775fi 4776 4777######################################### 4778# See if 128-bit atomic operations are supported. 4779 4780atomic128=no 4781if test "$int128" = "yes"; then 4782 cat > $TMPC << EOF 4783int main(void) 4784{ 4785 unsigned __int128 x = 0, y = 0; 4786 y = __atomic_load(&x, 0); 4787 __atomic_store(&x, y, 0); 4788 __atomic_compare_exchange(&x, &y, x, 0, 0, 0); 4789 return 0; 4790} 4791EOF 4792 if compile_prog "" "" ; then 4793 atomic128=yes 4794 fi 4795fi 4796 4797cmpxchg128=no 4798if test "$int128" = yes && test "$atomic128" = no; then 4799 cat > $TMPC << EOF 4800int main(void) 4801{ 4802 unsigned __int128 x = 0, y = 0; 4803 __sync_val_compare_and_swap_16(&x, y, x); 4804 return 0; 4805} 4806EOF 4807 if compile_prog "" "" ; then 4808 cmpxchg128=yes 4809 fi 4810fi 4811 4812######################################### 4813# See if 64-bit atomic operations are supported. 4814# Note that without __atomic builtins, we can only 4815# assume atomic loads/stores max at pointer size. 4816 4817cat > $TMPC << EOF 4818#include <stdint.h> 4819int main(void) 4820{ 4821 uint64_t x = 0, y = 0; 4822#ifdef __ATOMIC_RELAXED 4823 y = __atomic_load_n(&x, __ATOMIC_RELAXED); 4824 __atomic_store_n(&x, y, __ATOMIC_RELAXED); 4825 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED); 4826 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED); 4827 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED); 4828#else 4829 typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1]; 4830 __sync_lock_test_and_set(&x, y); 4831 __sync_val_compare_and_swap(&x, y, 0); 4832 __sync_fetch_and_add(&x, y); 4833#endif 4834 return 0; 4835} 4836EOF 4837if compile_prog "" "" ; then 4838 atomic64=yes 4839fi 4840 4841######################################### 4842# See if --dynamic-list is supported by the linker 4843ld_dynamic_list="no" 4844if test "$static" = "no" ; then 4845 cat > $TMPTXT <<EOF 4846{ 4847 foo; 4848}; 4849EOF 4850 4851 cat > $TMPC <<EOF 4852#include <stdio.h> 4853void foo(void); 4854 4855void foo(void) 4856{ 4857 printf("foo\n"); 4858} 4859 4860int main(void) 4861{ 4862 foo(); 4863 return 0; 4864} 4865EOF 4866 4867 if compile_prog "" "-Wl,--dynamic-list=$TMPTXT" ; then 4868 ld_dynamic_list="yes" 4869 fi 4870fi 4871 4872######################################### 4873# See if -exported_symbols_list is supported by the linker 4874 4875ld_exported_symbols_list="no" 4876if test "$static" = "no" ; then 4877 cat > $TMPTXT <<EOF 4878 _foo 4879EOF 4880 4881 if compile_prog "" "-Wl,-exported_symbols_list,$TMPTXT" ; then 4882 ld_exported_symbols_list="yes" 4883 fi 4884fi 4885 4886if test "$plugins" = "yes" && 4887 test "$ld_dynamic_list" = "no" && 4888 test "$ld_exported_symbols_list" = "no" ; then 4889 error_exit \ 4890 "Plugin support requires dynamic linking and specifying a set of symbols " \ 4891 "that are exported to plugins. Unfortunately your linker doesn't " \ 4892 "support the flag (--dynamic-list or -exported_symbols_list) used " \ 4893 "for this purpose. You can't build with --static." 4894fi 4895 4896######################################## 4897# check if getauxval is available. 4898 4899getauxval=no 4900cat > $TMPC << EOF 4901#include <sys/auxv.h> 4902int main(void) { 4903 return getauxval(AT_HWCAP) == 0; 4904} 4905EOF 4906if compile_prog "" "" ; then 4907 getauxval=yes 4908fi 4909 4910######################################## 4911# check if ccache is interfering with 4912# semantic analysis of macros 4913 4914unset CCACHE_CPP2 4915ccache_cpp2=no 4916cat > $TMPC << EOF 4917static const int Z = 1; 4918#define fn() ({ Z; }) 4919#define TAUT(X) ((X) == Z) 4920#define PAREN(X, Y) (X == Y) 4921#define ID(X) (X) 4922int main(int argc, char *argv[]) 4923{ 4924 int x = 0, y = 0; 4925 x = ID(x); 4926 x = fn(); 4927 fn(); 4928 if (PAREN(x, y)) return 0; 4929 if (TAUT(Z)) return 0; 4930 return 0; 4931} 4932EOF 4933 4934if ! compile_object "-Werror"; then 4935 ccache_cpp2=yes 4936fi 4937 4938################################################# 4939# clang does not support glibc + FORTIFY_SOURCE. 4940 4941if test "$fortify_source" != "no"; then 4942 if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then 4943 fortify_source="no"; 4944 elif test -n "$cxx" && has $cxx && 4945 echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then 4946 fortify_source="no"; 4947 else 4948 fortify_source="yes" 4949 fi 4950fi 4951 4952############################################### 4953# Check if copy_file_range is provided by glibc 4954have_copy_file_range=no 4955cat > $TMPC << EOF 4956#include <unistd.h> 4957int main(void) { 4958 copy_file_range(0, NULL, 0, NULL, 0, 0); 4959 return 0; 4960} 4961EOF 4962if compile_prog "" "" ; then 4963 have_copy_file_range=yes 4964fi 4965 4966########################################## 4967# check if struct fsxattr is available via linux/fs.h 4968 4969have_fsxattr=no 4970cat > $TMPC << EOF 4971#include <linux/fs.h> 4972struct fsxattr foo; 4973int main(void) { 4974 return 0; 4975} 4976EOF 4977if compile_prog "" "" ; then 4978 have_fsxattr=yes 4979fi 4980 4981########################################## 4982# check for usable membarrier system call 4983if test "$membarrier" = "yes"; then 4984 have_membarrier=no 4985 if test "$mingw32" = "yes" ; then 4986 have_membarrier=yes 4987 elif test "$linux" = "yes" ; then 4988 cat > $TMPC << EOF 4989 #include <linux/membarrier.h> 4990 #include <sys/syscall.h> 4991 #include <unistd.h> 4992 #include <stdlib.h> 4993 int main(void) { 4994 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0); 4995 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0); 4996 exit(0); 4997 } 4998EOF 4999 if compile_prog "" "" ; then 5000 have_membarrier=yes 5001 fi 5002 fi 5003 if test "$have_membarrier" = "no"; then 5004 feature_not_found "membarrier" "membarrier system call not available" 5005 fi 5006else 5007 # Do not enable it by default even for Mingw32, because it doesn't 5008 # work on Wine. 5009 membarrier=no 5010fi 5011 5012########################################## 5013# check if rtnetlink.h exists and is useful 5014have_rtnetlink=no 5015cat > $TMPC << EOF 5016#include <linux/rtnetlink.h> 5017int main(void) { 5018 return IFLA_PROTO_DOWN; 5019} 5020EOF 5021if compile_prog "" "" ; then 5022 have_rtnetlink=yes 5023fi 5024 5025########################################## 5026# check for usable AF_VSOCK environment 5027have_af_vsock=no 5028cat > $TMPC << EOF 5029#include <errno.h> 5030#include <sys/types.h> 5031#include <sys/socket.h> 5032#if !defined(AF_VSOCK) 5033# error missing AF_VSOCK flag 5034#endif 5035#include <linux/vm_sockets.h> 5036int main(void) { 5037 int sock, ret; 5038 struct sockaddr_vm svm; 5039 socklen_t len = sizeof(svm); 5040 sock = socket(AF_VSOCK, SOCK_STREAM, 0); 5041 ret = getpeername(sock, (struct sockaddr *)&svm, &len); 5042 if ((ret == -1) && (errno == ENOTCONN)) { 5043 return 0; 5044 } 5045 return -1; 5046} 5047EOF 5048if compile_prog "" "" ; then 5049 have_af_vsock=yes 5050fi 5051 5052########################################## 5053# check for usable AF_ALG environment 5054have_afalg=no 5055cat > $TMPC << EOF 5056#include <errno.h> 5057#include <sys/types.h> 5058#include <sys/socket.h> 5059#include <linux/if_alg.h> 5060int main(void) { 5061 int sock; 5062 sock = socket(AF_ALG, SOCK_SEQPACKET, 0); 5063 return sock; 5064} 5065EOF 5066if compile_prog "" "" ; then 5067 have_afalg=yes 5068fi 5069if test "$crypto_afalg" = "yes" 5070then 5071 if test "$have_afalg" != "yes" 5072 then 5073 error_exit "AF_ALG requested but could not be detected" 5074 fi 5075fi 5076 5077 5078################################################# 5079# check for sysmacros.h 5080 5081have_sysmacros=no 5082cat > $TMPC << EOF 5083#include <sys/sysmacros.h> 5084int main(void) { 5085 return makedev(0, 0); 5086} 5087EOF 5088if compile_prog "" "" ; then 5089 have_sysmacros=yes 5090fi 5091 5092########################################## 5093# check for _Static_assert() 5094 5095have_static_assert=no 5096cat > $TMPC << EOF 5097_Static_assert(1, "success"); 5098int main(void) { 5099 return 0; 5100} 5101EOF 5102if compile_prog "" "" ; then 5103 have_static_assert=yes 5104fi 5105 5106########################################## 5107# check for utmpx.h, it is missing e.g. on OpenBSD 5108 5109have_utmpx=no 5110cat > $TMPC << EOF 5111#include <utmpx.h> 5112struct utmpx user_info; 5113int main(void) { 5114 return 0; 5115} 5116EOF 5117if compile_prog "" "" ; then 5118 have_utmpx=yes 5119fi 5120 5121########################################## 5122# check for getrandom() 5123 5124have_getrandom=no 5125cat > $TMPC << EOF 5126#include <sys/random.h> 5127int main(void) { 5128 return getrandom(0, 0, GRND_NONBLOCK); 5129} 5130EOF 5131if compile_prog "" "" ; then 5132 have_getrandom=yes 5133fi 5134 5135########################################## 5136# checks for sanitizers 5137 5138have_asan=no 5139have_ubsan=no 5140have_asan_iface_h=no 5141have_asan_iface_fiber=no 5142 5143if test "$sanitizers" = "yes" ; then 5144 write_c_skeleton 5145 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then 5146 have_asan=yes 5147 fi 5148 5149 # we could use a simple skeleton for flags checks, but this also 5150 # detect the static linking issue of ubsan, see also: 5151 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285 5152 cat > $TMPC << EOF 5153#include <stdlib.h> 5154int main(void) { 5155 void *tmp = malloc(10); 5156 if (tmp != NULL) { 5157 return *(int *)(tmp + 2); 5158 } 5159 return 1; 5160} 5161EOF 5162 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then 5163 have_ubsan=yes 5164 fi 5165 5166 if check_include "sanitizer/asan_interface.h" ; then 5167 have_asan_iface_h=yes 5168 fi 5169 5170 cat > $TMPC << EOF 5171#include <sanitizer/asan_interface.h> 5172int main(void) { 5173 __sanitizer_start_switch_fiber(0, 0, 0); 5174 return 0; 5175} 5176EOF 5177 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then 5178 have_asan_iface_fiber=yes 5179 fi 5180fi 5181 5182########################################## 5183# checks for fuzzer 5184if test "$fuzzing" = "yes" && test -z "${LIB_FUZZING_ENGINE+xxx}"; then 5185 write_c_fuzzer_skeleton 5186 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=fuzzer" ""; then 5187 have_fuzzer=yes 5188 else 5189 error_exit "Your compiler doesn't support -fsanitize=fuzzer" 5190 exit 1 5191 fi 5192fi 5193 5194# Thread sanitizer is, for now, much noisier than the other sanitizers; 5195# keep it separate until that is not the case. 5196if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then 5197 error_exit "TSAN is not supported with other sanitiziers." 5198fi 5199have_tsan=no 5200have_tsan_iface_fiber=no 5201if test "$tsan" = "yes" ; then 5202 write_c_skeleton 5203 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then 5204 have_tsan=yes 5205 fi 5206 cat > $TMPC << EOF 5207#include <sanitizer/tsan_interface.h> 5208int main(void) { 5209 __tsan_create_fiber(0); 5210 return 0; 5211} 5212EOF 5213 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then 5214 have_tsan_iface_fiber=yes 5215 fi 5216fi 5217 5218########################################## 5219# check for libpmem 5220 5221if test "$libpmem" != "no"; then 5222 if $pkg_config --exists "libpmem"; then 5223 libpmem="yes" 5224 libpmem_libs=$($pkg_config --libs libpmem) 5225 libpmem_cflags=$($pkg_config --cflags libpmem) 5226 else 5227 if test "$libpmem" = "yes" ; then 5228 feature_not_found "libpmem" "Install nvml or pmdk" 5229 fi 5230 libpmem="no" 5231 fi 5232fi 5233 5234########################################## 5235# check for libdaxctl 5236 5237if test "$libdaxctl" != "no"; then 5238 if $pkg_config --atleast-version=57 "libdaxctl"; then 5239 libdaxctl="yes" 5240 libdaxctl_libs=$($pkg_config --libs libdaxctl) 5241 libdaxctl_cflags=$($pkg_config --cflags libdaxctl) 5242 else 5243 if test "$libdaxctl" = "yes" ; then 5244 feature_not_found "libdaxctl" "Install libdaxctl" 5245 fi 5246 libdaxctl="no" 5247 fi 5248fi 5249 5250########################################## 5251# check for slirp 5252 5253case "$slirp" in 5254 auto | enabled | internal) 5255 # Simpler to always update submodule, even if not needed. 5256 if test "$git_submodules_action" != "ignore"; then 5257 git_submodules="${git_submodules} slirp" 5258 fi 5259 ;; 5260esac 5261 5262# Check for slirp smbd dupport 5263: ${smbd=${SMBD-/usr/sbin/smbd}} 5264if test "$slirp_smbd" != "no" ; then 5265 if test "$mingw32" = "yes" ; then 5266 if test "$slirp_smbd" = "yes" ; then 5267 error_exit "Host smbd not supported on this platform." 5268 fi 5269 slirp_smbd=no 5270 else 5271 slirp_smbd=yes 5272 fi 5273fi 5274 5275########################################## 5276# check for usable __NR_keyctl syscall 5277 5278if test "$linux" = "yes" ; then 5279 5280 have_keyring=no 5281 cat > $TMPC << EOF 5282#include <errno.h> 5283#include <asm/unistd.h> 5284#include <linux/keyctl.h> 5285#include <unistd.h> 5286int main(void) { 5287 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0); 5288} 5289EOF 5290 if compile_prog "" "" ; then 5291 have_keyring=yes 5292 fi 5293fi 5294if test "$secret_keyring" != "no" 5295then 5296 if test "$have_keyring" = "yes" 5297 then 5298 secret_keyring=yes 5299 else 5300 if test "$secret_keyring" = "yes" 5301 then 5302 error_exit "syscall __NR_keyctl requested, \ 5303but not implemented on your system" 5304 else 5305 secret_keyring=no 5306 fi 5307 fi 5308fi 5309 5310########################################## 5311# End of CC checks 5312# After here, no more $cc or $ld runs 5313 5314write_c_skeleton 5315 5316if test "$gcov" = "yes" ; then 5317 : 5318elif test "$fortify_source" = "yes" ; then 5319 QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS" 5320 debug=no 5321fi 5322 5323case "$ARCH" in 5324alpha) 5325 # Ensure there's only a single GP 5326 QEMU_CFLAGS="-msmall-data $QEMU_CFLAGS" 5327;; 5328esac 5329 5330if test "$gprof" = "yes" ; then 5331 QEMU_CFLAGS="-p $QEMU_CFLAGS" 5332 QEMU_LDFLAGS="-p $QEMU_LDFLAGS" 5333fi 5334 5335if test "$have_asan" = "yes"; then 5336 QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS" 5337 QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS" 5338 if test "$have_asan_iface_h" = "no" ; then 5339 echo "ASAN build enabled, but ASAN header missing." \ 5340 "Without code annotation, the report may be inferior." 5341 elif test "$have_asan_iface_fiber" = "no" ; then 5342 echo "ASAN build enabled, but ASAN header is too old." \ 5343 "Without code annotation, the report may be inferior." 5344 fi 5345fi 5346if test "$have_tsan" = "yes" ; then 5347 if test "$have_tsan_iface_fiber" = "yes" ; then 5348 QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS" 5349 QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS" 5350 else 5351 error_exit "Cannot enable TSAN due to missing fiber annotation interface." 5352 fi 5353elif test "$tsan" = "yes" ; then 5354 error_exit "Cannot enable TSAN due to missing sanitize thread interface." 5355fi 5356if test "$have_ubsan" = "yes"; then 5357 QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS" 5358 QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS" 5359fi 5360 5361########################################## 5362 5363# Exclude --warn-common with TSan to suppress warnings from the TSan libraries. 5364if test "$solaris" = "no" && test "$tsan" = "no"; then 5365 if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then 5366 QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS" 5367 fi 5368fi 5369 5370# Use ASLR, no-SEH and DEP if available 5371if test "$mingw32" = "yes" ; then 5372 flags="--no-seh --nxcompat" 5373 5374 # Disable ASLR for debug builds to allow debugging with gdb 5375 if test "$debug" = "no" ; then 5376 flags="--dynamicbase $flags" 5377 fi 5378 5379 for flag in $flags; do 5380 if ld_has $flag ; then 5381 QEMU_LDFLAGS="-Wl,$flag $QEMU_LDFLAGS" 5382 fi 5383 done 5384fi 5385 5386# We can only support ivshmem if we have eventfd 5387if [ "$eventfd" = "yes" ]; then 5388 ivshmem=yes 5389fi 5390 5391# Probe for guest agent support/options 5392 5393if [ "$guest_agent" != "no" ]; then 5394 if [ "$softmmu" = no -a "$want_tools" = no ] ; then 5395 guest_agent=no 5396 elif [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then 5397 guest_agent=yes 5398 elif [ "$guest_agent" != yes ]; then 5399 guest_agent=no 5400 else 5401 error_exit "Guest agent is not supported on this platform" 5402 fi 5403fi 5404 5405# Guest agent Windows MSI package 5406 5407if test "$QEMU_GA_MANUFACTURER" = ""; then 5408 QEMU_GA_MANUFACTURER=QEMU 5409fi 5410if test "$QEMU_GA_DISTRO" = ""; then 5411 QEMU_GA_DISTRO=Linux 5412fi 5413if test "$QEMU_GA_VERSION" = ""; then 5414 QEMU_GA_VERSION=$(cat $source_path/VERSION) 5415fi 5416 5417QEMU_GA_MSI_MINGW_DLL_PATH="$($pkg_config --variable=prefix glib-2.0)/bin" 5418 5419# Mac OS X ships with a broken assembler 5420roms= 5421if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \ 5422 test "$targetos" != "Darwin" && test "$targetos" != "SunOS" && \ 5423 test "$targetos" != "Haiku" && test "$softmmu" = yes ; then 5424 # Different host OS linkers have different ideas about the name of the ELF 5425 # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd 5426 # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe. 5427 for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do 5428 if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then 5429 ld_i386_emulation="$emu" 5430 roms="optionrom" 5431 break 5432 fi 5433 done 5434fi 5435 5436# Only build s390-ccw bios if we're on s390x and the compiler has -march=z900 5437# or -march=z10 (which is the lowest architecture level that Clang supports) 5438if test "$cpu" = "s390x" ; then 5439 write_c_skeleton 5440 compile_prog "-march=z900" "" 5441 has_z900=$? 5442 if [ $has_z900 = 0 ] || compile_prog "-march=z10" ""; then 5443 if [ $has_z900 != 0 ]; then 5444 echo "WARNING: Your compiler does not support the z900!" 5445 echo " The s390-ccw bios will only work with guest CPUs >= z10." 5446 fi 5447 roms="$roms s390-ccw" 5448 # SLOF is required for building the s390-ccw firmware on s390x, 5449 # since it is using the libnet code from SLOF for network booting. 5450 if test "$git_submodules_action" != "ignore"; then 5451 git_submodules="${git_submodules} roms/SLOF" 5452 fi 5453 fi 5454fi 5455 5456# Check that the C++ compiler exists and works with the C compiler. 5457# All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added. 5458if has $cxx; then 5459 cat > $TMPC <<EOF 5460int c_function(void); 5461int main(void) { return c_function(); } 5462EOF 5463 5464 compile_object 5465 5466 cat > $TMPCXX <<EOF 5467extern "C" { 5468 int c_function(void); 5469} 5470int c_function(void) { return 42; } 5471EOF 5472 5473 update_cxxflags 5474 5475 if do_cxx $CXXFLAGS $CONFIGURE_CXXFLAGS $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then 5476 # C++ compiler $cxx works ok with C compiler $cc 5477 : 5478 else 5479 echo "C++ compiler $cxx does not work with C compiler $cc" 5480 echo "Disabling C++ specific optional code" 5481 cxx= 5482 fi 5483else 5484 echo "No C++ compiler available; disabling C++ specific optional code" 5485 cxx= 5486fi 5487 5488if !(GIT="$git" "$source_path/scripts/git-submodule.sh" "$git_submodules_action" "$git_submodules"); then 5489 exit 1 5490fi 5491 5492config_host_mak="config-host.mak" 5493 5494echo "# Automatically generated by configure - do not modify" > $config_host_mak 5495echo >> $config_host_mak 5496 5497echo all: >> $config_host_mak 5498echo "GIT=$git" >> $config_host_mak 5499echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak 5500echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_host_mak 5501 5502echo "ARCH=$ARCH" >> $config_host_mak 5503 5504if test "$debug_tcg" = "yes" ; then 5505 echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak 5506fi 5507if test "$strip_opt" = "yes" ; then 5508 echo "STRIP=${strip}" >> $config_host_mak 5509fi 5510if test "$bigendian" = "yes" ; then 5511 echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak 5512fi 5513if test "$mingw32" = "yes" ; then 5514 echo "CONFIG_WIN32=y" >> $config_host_mak 5515 if test "$guest_agent_with_vss" = "yes" ; then 5516 echo "CONFIG_QGA_VSS=y" >> $config_host_mak 5517 echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak 5518 echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak 5519 fi 5520 if test "$guest_agent_ntddscsi" = "yes" ; then 5521 echo "CONFIG_QGA_NTDDSCSI=y" >> $config_host_mak 5522 fi 5523 echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak 5524 echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak 5525 echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak 5526 echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak 5527else 5528 echo "CONFIG_POSIX=y" >> $config_host_mak 5529fi 5530 5531if test "$linux" = "yes" ; then 5532 echo "CONFIG_LINUX=y" >> $config_host_mak 5533fi 5534 5535if test "$darwin" = "yes" ; then 5536 echo "CONFIG_DARWIN=y" >> $config_host_mak 5537fi 5538 5539if test "$solaris" = "yes" ; then 5540 echo "CONFIG_SOLARIS=y" >> $config_host_mak 5541fi 5542if test "$haiku" = "yes" ; then 5543 echo "CONFIG_HAIKU=y" >> $config_host_mak 5544fi 5545if test "$static" = "yes" ; then 5546 echo "CONFIG_STATIC=y" >> $config_host_mak 5547fi 5548if test "$profiler" = "yes" ; then 5549 echo "CONFIG_PROFILER=y" >> $config_host_mak 5550fi 5551if test "$want_tools" = "yes" ; then 5552 echo "CONFIG_TOOLS=y" >> $config_host_mak 5553fi 5554if test "$guest_agent" = "yes" ; then 5555 echo "CONFIG_GUEST_AGENT=y" >> $config_host_mak 5556fi 5557if test "$slirp_smbd" = "yes" ; then 5558 echo "CONFIG_SLIRP_SMBD=y" >> $config_host_mak 5559 echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak 5560fi 5561if test "$vde" = "yes" ; then 5562 echo "CONFIG_VDE=y" >> $config_host_mak 5563 echo "VDE_LIBS=$vde_libs" >> $config_host_mak 5564fi 5565if test "$netmap" = "yes" ; then 5566 echo "CONFIG_NETMAP=y" >> $config_host_mak 5567fi 5568if test "$l2tpv3" = "yes" ; then 5569 echo "CONFIG_L2TPV3=y" >> $config_host_mak 5570fi 5571if test "$gprof" = "yes" ; then 5572 echo "CONFIG_GPROF=y" >> $config_host_mak 5573fi 5574echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak 5575for drv in $audio_drv_list; do 5576 def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]') 5577 echo "$def=y" >> $config_host_mak 5578done 5579if test "$alsa" = "yes" ; then 5580 echo "CONFIG_ALSA=y" >> $config_host_mak 5581fi 5582echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak 5583echo "ALSA_CFLAGS=$alsa_cflags" >> $config_host_mak 5584if test "$libpulse" = "yes" ; then 5585 echo "CONFIG_LIBPULSE=y" >> $config_host_mak 5586fi 5587echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak 5588echo "PULSE_CFLAGS=$pulse_cflags" >> $config_host_mak 5589echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak 5590echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak 5591echo "OSS_LIBS=$oss_libs" >> $config_host_mak 5592if test "$libjack" = "yes" ; then 5593 echo "CONFIG_LIBJACK=y" >> $config_host_mak 5594fi 5595echo "JACK_LIBS=$jack_libs" >> $config_host_mak 5596if test "$audio_win_int" = "yes" ; then 5597 echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak 5598fi 5599echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak 5600echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak 5601if test "$xfs" = "yes" ; then 5602 echo "CONFIG_XFS=y" >> $config_host_mak 5603fi 5604qemu_version=$(head $source_path/VERSION) 5605echo "PKGVERSION=$pkgversion" >>$config_host_mak 5606echo "SRC_PATH=$source_path" >> $config_host_mak 5607echo "TARGET_DIRS=$target_list" >> $config_host_mak 5608if test "$modules" = "yes"; then 5609 # $shacmd can generate a hash started with digit, which the compiler doesn't 5610 # like as an symbol. So prefix it with an underscore 5611 echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak 5612 echo "CONFIG_MODULES=y" >> $config_host_mak 5613fi 5614if test "$module_upgrades" = "yes"; then 5615 echo "CONFIG_MODULE_UPGRADES=y" >> $config_host_mak 5616fi 5617if test "$pipe2" = "yes" ; then 5618 echo "CONFIG_PIPE2=y" >> $config_host_mak 5619fi 5620if test "$accept4" = "yes" ; then 5621 echo "CONFIG_ACCEPT4=y" >> $config_host_mak 5622fi 5623if test "$splice" = "yes" ; then 5624 echo "CONFIG_SPLICE=y" >> $config_host_mak 5625fi 5626if test "$eventfd" = "yes" ; then 5627 echo "CONFIG_EVENTFD=y" >> $config_host_mak 5628fi 5629if test "$memfd" = "yes" ; then 5630 echo "CONFIG_MEMFD=y" >> $config_host_mak 5631fi 5632if test "$have_usbfs" = "yes" ; then 5633 echo "CONFIG_USBFS=y" >> $config_host_mak 5634fi 5635if test "$fallocate" = "yes" ; then 5636 echo "CONFIG_FALLOCATE=y" >> $config_host_mak 5637fi 5638if test "$fallocate_punch_hole" = "yes" ; then 5639 echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak 5640fi 5641if test "$fallocate_zero_range" = "yes" ; then 5642 echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak 5643fi 5644if test "$posix_fallocate" = "yes" ; then 5645 echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak 5646fi 5647if test "$sync_file_range" = "yes" ; then 5648 echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak 5649fi 5650if test "$fiemap" = "yes" ; then 5651 echo "CONFIG_FIEMAP=y" >> $config_host_mak 5652fi 5653if test "$dup3" = "yes" ; then 5654 echo "CONFIG_DUP3=y" >> $config_host_mak 5655fi 5656if test "$ppoll" = "yes" ; then 5657 echo "CONFIG_PPOLL=y" >> $config_host_mak 5658fi 5659if test "$prctl_pr_set_timerslack" = "yes" ; then 5660 echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak 5661fi 5662if test "$epoll" = "yes" ; then 5663 echo "CONFIG_EPOLL=y" >> $config_host_mak 5664fi 5665if test "$epoll_create1" = "yes" ; then 5666 echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak 5667fi 5668if test "$sendfile" = "yes" ; then 5669 echo "CONFIG_SENDFILE=y" >> $config_host_mak 5670fi 5671if test "$timerfd" = "yes" ; then 5672 echo "CONFIG_TIMERFD=y" >> $config_host_mak 5673fi 5674if test "$setns" = "yes" ; then 5675 echo "CONFIG_SETNS=y" >> $config_host_mak 5676fi 5677if test "$clock_adjtime" = "yes" ; then 5678 echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak 5679fi 5680if test "$syncfs" = "yes" ; then 5681 echo "CONFIG_SYNCFS=y" >> $config_host_mak 5682fi 5683if test "$inotify" = "yes" ; then 5684 echo "CONFIG_INOTIFY=y" >> $config_host_mak 5685fi 5686if test "$inotify1" = "yes" ; then 5687 echo "CONFIG_INOTIFY1=y" >> $config_host_mak 5688fi 5689if test "$sem_timedwait" = "yes" ; then 5690 echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak 5691fi 5692if test "$strchrnul" = "yes" ; then 5693 echo "HAVE_STRCHRNUL=y" >> $config_host_mak 5694fi 5695if test "$st_atim" = "yes" ; then 5696 echo "HAVE_STRUCT_STAT_ST_ATIM=y" >> $config_host_mak 5697fi 5698if test "$byteswap_h" = "yes" ; then 5699 echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak 5700fi 5701if test "$bswap_h" = "yes" ; then 5702 echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak 5703fi 5704if test "$gio" = "yes" ; then 5705 echo "CONFIG_GIO=y" >> $config_host_mak 5706 echo "GIO_CFLAGS=$gio_cflags" >> $config_host_mak 5707 echo "GIO_LIBS=$gio_libs" >> $config_host_mak 5708fi 5709if test "$gdbus_codegen" != "" ; then 5710 echo "GDBUS_CODEGEN=$gdbus_codegen" >> $config_host_mak 5711fi 5712echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak 5713if test "$gnutls" = "yes" ; then 5714 echo "CONFIG_GNUTLS=y" >> $config_host_mak 5715 echo "GNUTLS_CFLAGS=$gnutls_cflags" >> $config_host_mak 5716 echo "GNUTLS_LIBS=$gnutls_libs" >> $config_host_mak 5717fi 5718if test "$gcrypt" = "yes" ; then 5719 echo "CONFIG_GCRYPT=y" >> $config_host_mak 5720 if test "$gcrypt_hmac" = "yes" ; then 5721 echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak 5722 fi 5723 echo "GCRYPT_CFLAGS=$gcrypt_cflags" >> $config_host_mak 5724 echo "GCRYPT_LIBS=$gcrypt_libs" >> $config_host_mak 5725fi 5726if test "$nettle" = "yes" ; then 5727 echo "CONFIG_NETTLE=y" >> $config_host_mak 5728 echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak 5729 echo "NETTLE_CFLAGS=$nettle_cflags" >> $config_host_mak 5730 echo "NETTLE_LIBS=$nettle_libs" >> $config_host_mak 5731fi 5732if test "$qemu_private_xts" = "yes" ; then 5733 echo "CONFIG_QEMU_PRIVATE_XTS=y" >> $config_host_mak 5734fi 5735if test "$tasn1" = "yes" ; then 5736 echo "CONFIG_TASN1=y" >> $config_host_mak 5737fi 5738if test "$auth_pam" = "yes" ; then 5739 echo "CONFIG_AUTH_PAM=y" >> $config_host_mak 5740fi 5741if test "$have_broken_size_max" = "yes" ; then 5742 echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak 5743fi 5744if test "$have_openpty" = "yes" ; then 5745 echo "HAVE_OPENPTY=y" >> $config_host_mak 5746fi 5747 5748# Work around a system header bug with some kernel/XFS header 5749# versions where they both try to define 'struct fsxattr': 5750# xfs headers will not try to redefine structs from linux headers 5751# if this macro is set. 5752if test "$have_fsxattr" = "yes" ; then 5753 echo "HAVE_FSXATTR=y" >> $config_host_mak 5754fi 5755if test "$have_copy_file_range" = "yes" ; then 5756 echo "HAVE_COPY_FILE_RANGE=y" >> $config_host_mak 5757fi 5758if test "$vte" = "yes" ; then 5759 echo "CONFIG_VTE=y" >> $config_host_mak 5760 echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak 5761 echo "VTE_LIBS=$vte_libs" >> $config_host_mak 5762fi 5763if test "$virglrenderer" = "yes" ; then 5764 echo "CONFIG_VIRGL=y" >> $config_host_mak 5765 echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak 5766 echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak 5767fi 5768if test "$xen" = "enabled" ; then 5769 echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak 5770 echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak 5771 echo "XEN_CFLAGS=$xen_cflags" >> $config_host_mak 5772 echo "XEN_LIBS=$xen_libs" >> $config_host_mak 5773fi 5774if test "$linux_aio" = "yes" ; then 5775 echo "CONFIG_LINUX_AIO=y" >> $config_host_mak 5776fi 5777if test "$linux_io_uring" = "yes" ; then 5778 echo "CONFIG_LINUX_IO_URING=y" >> $config_host_mak 5779 echo "LINUX_IO_URING_CFLAGS=$linux_io_uring_cflags" >> $config_host_mak 5780 echo "LINUX_IO_URING_LIBS=$linux_io_uring_libs" >> $config_host_mak 5781fi 5782if test "$vhost_scsi" = "yes" ; then 5783 echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak 5784fi 5785if test "$vhost_net" = "yes" ; then 5786 echo "CONFIG_VHOST_NET=y" >> $config_host_mak 5787fi 5788if test "$vhost_net_user" = "yes" ; then 5789 echo "CONFIG_VHOST_NET_USER=y" >> $config_host_mak 5790fi 5791if test "$vhost_net_vdpa" = "yes" ; then 5792 echo "CONFIG_VHOST_NET_VDPA=y" >> $config_host_mak 5793fi 5794if test "$vhost_crypto" = "yes" ; then 5795 echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak 5796fi 5797if test "$vhost_vsock" = "yes" ; then 5798 echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak 5799 if test "$vhost_user" = "yes" ; then 5800 echo "CONFIG_VHOST_USER_VSOCK=y" >> $config_host_mak 5801 fi 5802fi 5803if test "$vhost_kernel" = "yes" ; then 5804 echo "CONFIG_VHOST_KERNEL=y" >> $config_host_mak 5805fi 5806if test "$vhost_user" = "yes" ; then 5807 echo "CONFIG_VHOST_USER=y" >> $config_host_mak 5808fi 5809if test "$vhost_vdpa" = "yes" ; then 5810 echo "CONFIG_VHOST_VDPA=y" >> $config_host_mak 5811fi 5812if test "$vhost_user_fs" = "yes" ; then 5813 echo "CONFIG_VHOST_USER_FS=y" >> $config_host_mak 5814fi 5815if test "$iovec" = "yes" ; then 5816 echo "CONFIG_IOVEC=y" >> $config_host_mak 5817fi 5818if test "$membarrier" = "yes" ; then 5819 echo "CONFIG_MEMBARRIER=y" >> $config_host_mak 5820fi 5821if test "$signalfd" = "yes" ; then 5822 echo "CONFIG_SIGNALFD=y" >> $config_host_mak 5823fi 5824if test "$optreset" = "yes" ; then 5825 echo "HAVE_OPTRESET=y" >> $config_host_mak 5826fi 5827if test "$fdatasync" = "yes" ; then 5828 echo "CONFIG_FDATASYNC=y" >> $config_host_mak 5829fi 5830if test "$madvise" = "yes" ; then 5831 echo "CONFIG_MADVISE=y" >> $config_host_mak 5832fi 5833if test "$posix_madvise" = "yes" ; then 5834 echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak 5835fi 5836if test "$posix_memalign" = "yes" ; then 5837 echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak 5838fi 5839if test "$spice" = "yes" ; then 5840 echo "CONFIG_SPICE=y" >> $config_host_mak 5841 echo "SPICE_CFLAGS=$spice_cflags" >> $config_host_mak 5842 echo "SPICE_LIBS=$spice_libs" >> $config_host_mak 5843fi 5844 5845if test "$smartcard" = "yes" ; then 5846 echo "CONFIG_SMARTCARD=y" >> $config_host_mak 5847 echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak 5848 echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak 5849fi 5850 5851if test "$libusb" = "yes" ; then 5852 echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak 5853 echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak 5854 echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak 5855fi 5856 5857if test "$usb_redir" = "yes" ; then 5858 echo "CONFIG_USB_REDIR=y" >> $config_host_mak 5859 echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak 5860 echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak 5861fi 5862 5863if test "$opengl" = "yes" ; then 5864 echo "CONFIG_OPENGL=y" >> $config_host_mak 5865 echo "OPENGL_CFLAGS=$opengl_cflags" >> $config_host_mak 5866 echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak 5867fi 5868 5869if test "$gbm" = "yes" ; then 5870 echo "CONFIG_GBM=y" >> $config_host_mak 5871 echo "GBM_LIBS=$gbm_libs" >> $config_host_mak 5872 echo "GBM_CFLAGS=$gbm_cflags" >> $config_host_mak 5873fi 5874 5875 5876if test "$avx2_opt" = "yes" ; then 5877 echo "CONFIG_AVX2_OPT=y" >> $config_host_mak 5878fi 5879 5880if test "$avx512f_opt" = "yes" ; then 5881 echo "CONFIG_AVX512F_OPT=y" >> $config_host_mak 5882fi 5883 5884# XXX: suppress that 5885if [ "$bsd" = "yes" ] ; then 5886 echo "CONFIG_BSD=y" >> $config_host_mak 5887fi 5888 5889if test "$qom_cast_debug" = "yes" ; then 5890 echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak 5891fi 5892 5893echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak 5894if test "$coroutine_pool" = "yes" ; then 5895 echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak 5896else 5897 echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak 5898fi 5899 5900if test "$debug_stack_usage" = "yes" ; then 5901 echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak 5902fi 5903 5904if test "$crypto_afalg" = "yes" ; then 5905 echo "CONFIG_AF_ALG=y" >> $config_host_mak 5906fi 5907 5908if test "$open_by_handle_at" = "yes" ; then 5909 echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak 5910fi 5911 5912if test "$linux_magic_h" = "yes" ; then 5913 echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak 5914fi 5915 5916if test "$valgrind_h" = "yes" ; then 5917 echo "CONFIG_VALGRIND_H=y" >> $config_host_mak 5918fi 5919 5920if test "$have_asan_iface_fiber" = "yes" ; then 5921 echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak 5922fi 5923 5924if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then 5925 echo "CONFIG_TSAN=y" >> $config_host_mak 5926fi 5927 5928if test "$has_environ" = "yes" ; then 5929 echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak 5930fi 5931 5932if test "$cpuid_h" = "yes" ; then 5933 echo "CONFIG_CPUID_H=y" >> $config_host_mak 5934fi 5935 5936if test "$int128" = "yes" ; then 5937 echo "CONFIG_INT128=y" >> $config_host_mak 5938fi 5939 5940if test "$atomic128" = "yes" ; then 5941 echo "CONFIG_ATOMIC128=y" >> $config_host_mak 5942fi 5943 5944if test "$cmpxchg128" = "yes" ; then 5945 echo "CONFIG_CMPXCHG128=y" >> $config_host_mak 5946fi 5947 5948if test "$atomic64" = "yes" ; then 5949 echo "CONFIG_ATOMIC64=y" >> $config_host_mak 5950fi 5951 5952if test "$getauxval" = "yes" ; then 5953 echo "CONFIG_GETAUXVAL=y" >> $config_host_mak 5954fi 5955 5956if test "$libssh" = "yes" ; then 5957 echo "CONFIG_LIBSSH=y" >> $config_host_mak 5958 echo "LIBSSH_CFLAGS=$libssh_cflags" >> $config_host_mak 5959 echo "LIBSSH_LIBS=$libssh_libs" >> $config_host_mak 5960fi 5961 5962if test "$live_block_migration" = "yes" ; then 5963 echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak 5964fi 5965 5966if test "$tpm" = "yes"; then 5967 echo 'CONFIG_TPM=y' >> $config_host_mak 5968fi 5969 5970echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak 5971if have_backend "nop"; then 5972 echo "CONFIG_TRACE_NOP=y" >> $config_host_mak 5973fi 5974if have_backend "simple"; then 5975 echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak 5976 # Set the appropriate trace file. 5977 trace_file="\"$trace_file-\" FMT_pid" 5978fi 5979if have_backend "log"; then 5980 echo "CONFIG_TRACE_LOG=y" >> $config_host_mak 5981fi 5982if have_backend "ust"; then 5983 echo "CONFIG_TRACE_UST=y" >> $config_host_mak 5984 echo "LTTNG_UST_LIBS=$lttng_ust_libs" >> $config_host_mak 5985 echo "URCU_BP_LIBS=$urcu_bp_libs" >> $config_host_mak 5986fi 5987if have_backend "dtrace"; then 5988 echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak 5989 if test "$trace_backend_stap" = "yes" ; then 5990 echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak 5991 fi 5992fi 5993if have_backend "ftrace"; then 5994 if test "$linux" = "yes" ; then 5995 echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak 5996 else 5997 feature_not_found "ftrace(trace backend)" "ftrace requires Linux" 5998 fi 5999fi 6000if have_backend "syslog"; then 6001 if test "$posix_syslog" = "yes" ; then 6002 echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak 6003 else 6004 feature_not_found "syslog(trace backend)" "syslog not available" 6005 fi 6006fi 6007echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak 6008 6009if test "$rdma" = "yes" ; then 6010 echo "CONFIG_RDMA=y" >> $config_host_mak 6011 echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak 6012fi 6013 6014if test "$pvrdma" = "yes" ; then 6015 echo "CONFIG_PVRDMA=y" >> $config_host_mak 6016fi 6017 6018if test "$have_rtnetlink" = "yes" ; then 6019 echo "CONFIG_RTNETLINK=y" >> $config_host_mak 6020fi 6021 6022if test "$libxml2" = "yes" ; then 6023 echo "CONFIG_LIBXML2=y" >> $config_host_mak 6024 echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak 6025 echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak 6026fi 6027 6028if test "$replication" = "yes" ; then 6029 echo "CONFIG_REPLICATION=y" >> $config_host_mak 6030fi 6031 6032if test "$have_af_vsock" = "yes" ; then 6033 echo "CONFIG_AF_VSOCK=y" >> $config_host_mak 6034fi 6035 6036if test "$have_sysmacros" = "yes" ; then 6037 echo "CONFIG_SYSMACROS=y" >> $config_host_mak 6038fi 6039 6040if test "$have_static_assert" = "yes" ; then 6041 echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak 6042fi 6043 6044if test "$have_utmpx" = "yes" ; then 6045 echo "HAVE_UTMPX=y" >> $config_host_mak 6046fi 6047if test "$have_getrandom" = "yes" ; then 6048 echo "CONFIG_GETRANDOM=y" >> $config_host_mak 6049fi 6050if test "$ivshmem" = "yes" ; then 6051 echo "CONFIG_IVSHMEM=y" >> $config_host_mak 6052fi 6053if test "$debug_mutex" = "yes" ; then 6054 echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak 6055fi 6056 6057# Hold two types of flag: 6058# CONFIG_THREAD_SETNAME_BYTHREAD - we've got a way of setting the name on 6059# a thread we have a handle to 6060# CONFIG_PTHREAD_SETNAME_NP_W_TID - A way of doing it on a particular 6061# platform 6062if test "$pthread_setname_np_w_tid" = "yes" ; then 6063 echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak 6064 echo "CONFIG_PTHREAD_SETNAME_NP_W_TID=y" >> $config_host_mak 6065elif test "$pthread_setname_np_wo_tid" = "yes" ; then 6066 echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak 6067 echo "CONFIG_PTHREAD_SETNAME_NP_WO_TID=y" >> $config_host_mak 6068fi 6069 6070if test "$libpmem" = "yes" ; then 6071 echo "CONFIG_LIBPMEM=y" >> $config_host_mak 6072 echo "LIBPMEM_LIBS=$libpmem_libs" >> $config_host_mak 6073 echo "LIBPMEM_CFLAGS=$libpmem_cflags" >> $config_host_mak 6074fi 6075 6076if test "$libdaxctl" = "yes" ; then 6077 echo "CONFIG_LIBDAXCTL=y" >> $config_host_mak 6078 echo "LIBDAXCTL_LIBS=$libdaxctl_libs" >> $config_host_mak 6079fi 6080 6081if test "$bochs" = "yes" ; then 6082 echo "CONFIG_BOCHS=y" >> $config_host_mak 6083fi 6084if test "$cloop" = "yes" ; then 6085 echo "CONFIG_CLOOP=y" >> $config_host_mak 6086fi 6087if test "$dmg" = "yes" ; then 6088 echo "CONFIG_DMG=y" >> $config_host_mak 6089fi 6090if test "$qcow1" = "yes" ; then 6091 echo "CONFIG_QCOW1=y" >> $config_host_mak 6092fi 6093if test "$vdi" = "yes" ; then 6094 echo "CONFIG_VDI=y" >> $config_host_mak 6095fi 6096if test "$vvfat" = "yes" ; then 6097 echo "CONFIG_VVFAT=y" >> $config_host_mak 6098fi 6099if test "$qed" = "yes" ; then 6100 echo "CONFIG_QED=y" >> $config_host_mak 6101fi 6102if test "$parallels" = "yes" ; then 6103 echo "CONFIG_PARALLELS=y" >> $config_host_mak 6104fi 6105if test "$have_mlockall" = "yes" ; then 6106 echo "HAVE_MLOCKALL=y" >> $config_host_mak 6107fi 6108if test "$fuzzing" = "yes" ; then 6109 # If LIB_FUZZING_ENGINE is set, assume we are running on OSS-Fuzz, and the 6110 # needed CFLAGS have already been provided 6111 if test -z "${LIB_FUZZING_ENGINE+xxx}" ; then 6112 # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the 6113 # compiled code. 6114 QEMU_CFLAGS="$QEMU_CFLAGS -fsanitize=fuzzer-no-link" 6115 # To build non-fuzzer binaries with --enable-fuzzing, link everything with 6116 # fsanitize=fuzzer-no-link. Otherwise, the linker will be unable to bind 6117 # the fuzzer-related callbacks added by instrumentation. 6118 QEMU_LDFLAGS="$QEMU_LDFLAGS -fsanitize=fuzzer-no-link" 6119 # For the actual fuzzer binaries, we need to link against the libfuzzer 6120 # library. Provide the flags for doing this in FUZZ_EXE_LDFLAGS. The meson 6121 # rule for the fuzzer adds these to the link_args. They need to be 6122 # configurable, to support OSS-Fuzz 6123 FUZZ_EXE_LDFLAGS="-fsanitize=fuzzer" 6124 else 6125 FUZZ_EXE_LDFLAGS="$LIB_FUZZING_ENGINE" 6126 fi 6127fi 6128 6129if test "$plugins" = "yes" ; then 6130 echo "CONFIG_PLUGIN=y" >> $config_host_mak 6131 # Copy the export object list to the build dir 6132 if test "$ld_dynamic_list" = "yes" ; then 6133 echo "CONFIG_HAS_LD_DYNAMIC_LIST=yes" >> $config_host_mak 6134 ld_symbols=qemu-plugins-ld.symbols 6135 cp "$source_path/plugins/qemu-plugins.symbols" $ld_symbols 6136 elif test "$ld_exported_symbols_list" = "yes" ; then 6137 echo "CONFIG_HAS_LD_EXPORTED_SYMBOLS_LIST=yes" >> $config_host_mak 6138 ld64_symbols=qemu-plugins-ld64.symbols 6139 echo "# Automatically generated by configure - do not modify" > $ld64_symbols 6140 grep 'qemu_' "$source_path/plugins/qemu-plugins.symbols" | sed 's/;//g' | \ 6141 sed -E 's/^[[:space:]]*(.*)/_\1/' >> $ld64_symbols 6142 else 6143 error_exit \ 6144 "If \$plugins=yes, either \$ld_dynamic_list or " \ 6145 "\$ld_exported_symbols_list should have been set to 'yes'." 6146 fi 6147fi 6148 6149if test -n "$gdb_bin"; then 6150 gdb_version=$($gdb_bin --version | head -n 1) 6151 if version_ge ${gdb_version##* } 9.1; then 6152 echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak 6153 fi 6154fi 6155 6156if test "$secret_keyring" = "yes" ; then 6157 echo "CONFIG_SECRET_KEYRING=y" >> $config_host_mak 6158fi 6159 6160echo "ROMS=$roms" >> $config_host_mak 6161echo "MAKE=$make" >> $config_host_mak 6162echo "PYTHON=$python" >> $config_host_mak 6163echo "GENISOIMAGE=$genisoimage" >> $config_host_mak 6164echo "MESON=$meson" >> $config_host_mak 6165echo "NINJA=$ninja" >> $config_host_mak 6166echo "CC=$cc" >> $config_host_mak 6167if $iasl -h > /dev/null 2>&1; then 6168 echo "CONFIG_IASL=$iasl" >> $config_host_mak 6169fi 6170echo "CXX=$cxx" >> $config_host_mak 6171echo "OBJCC=$objcc" >> $config_host_mak 6172echo "AR=$ar" >> $config_host_mak 6173echo "ARFLAGS=$ARFLAGS" >> $config_host_mak 6174echo "AS=$as" >> $config_host_mak 6175echo "CCAS=$ccas" >> $config_host_mak 6176echo "CPP=$cpp" >> $config_host_mak 6177echo "OBJCOPY=$objcopy" >> $config_host_mak 6178echo "LD=$ld" >> $config_host_mak 6179echo "RANLIB=$ranlib" >> $config_host_mak 6180echo "NM=$nm" >> $config_host_mak 6181echo "PKG_CONFIG=$pkg_config_exe" >> $config_host_mak 6182echo "WINDRES=$windres" >> $config_host_mak 6183echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak 6184echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak 6185echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak 6186echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak 6187echo "GLIB_LIBS=$glib_libs" >> $config_host_mak 6188echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak 6189echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak 6190echo "EXESUF=$EXESUF" >> $config_host_mak 6191echo "HOST_DSOSUF=$HOST_DSOSUF" >> $config_host_mak 6192echo "LIBS_QGA=$libs_qga" >> $config_host_mak 6193echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak 6194echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak 6195if test "$gcov" = "yes" ; then 6196 echo "CONFIG_GCOV=y" >> $config_host_mak 6197fi 6198 6199if test "$fuzzing" != "no"; then 6200 echo "CONFIG_FUZZ=y" >> $config_host_mak 6201fi 6202echo "FUZZ_EXE_LDFLAGS=$FUZZ_EXE_LDFLAGS" >> $config_host_mak 6203 6204if test "$rng_none" = "yes"; then 6205 echo "CONFIG_RNG_NONE=y" >> $config_host_mak 6206fi 6207 6208# use included Linux headers 6209if test "$linux" = "yes" ; then 6210 mkdir -p linux-headers 6211 case "$cpu" in 6212 i386|x86_64|x32) 6213 linux_arch=x86 6214 ;; 6215 ppc|ppc64|ppc64le) 6216 linux_arch=powerpc 6217 ;; 6218 s390x) 6219 linux_arch=s390 6220 ;; 6221 aarch64) 6222 linux_arch=arm64 6223 ;; 6224 mips64) 6225 linux_arch=mips 6226 ;; 6227 *) 6228 # For most CPUs the kernel architecture name and QEMU CPU name match. 6229 linux_arch="$cpu" 6230 ;; 6231 esac 6232 # For non-KVM architectures we will not have asm headers 6233 if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then 6234 symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm 6235 fi 6236fi 6237 6238for target in $target_list; do 6239 target_dir="$target" 6240 target_name=$(echo $target | cut -d '-' -f 1) 6241 mkdir -p $target_dir 6242 case $target in 6243 *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;; 6244 *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;; 6245 esac 6246done 6247 6248echo "CONFIG_QEMU_INTERP_PREFIX=$interp_prefix" | sed 's/%M/@0@/' >> $config_host_mak 6249if test "$default_targets" = "yes"; then 6250 echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak 6251fi 6252 6253if test "$numa" = "yes"; then 6254 echo "CONFIG_NUMA=y" >> $config_host_mak 6255 echo "NUMA_LIBS=$numa_libs" >> $config_host_mak 6256fi 6257 6258if test "$ccache_cpp2" = "yes"; then 6259 echo "export CCACHE_CPP2=y" >> $config_host_mak 6260fi 6261 6262if test "$safe_stack" = "yes"; then 6263 echo "CONFIG_SAFESTACK=y" >> $config_host_mak 6264fi 6265 6266# If we're using a separate build tree, set it up now. 6267# DIRS are directories which we simply mkdir in the build tree; 6268# LINKS are things to symlink back into the source tree 6269# (these can be both files and directories). 6270# Caution: do not add files or directories here using wildcards. This 6271# will result in problems later if a new file matching the wildcard is 6272# added to the source tree -- nothing will cause configure to be rerun 6273# so the build tree will be missing the link back to the new file, and 6274# tests might fail. Prefer to keep the relevant files in their own 6275# directory and symlink the directory instead. 6276# UNLINK is used to remove symlinks from older development versions 6277# that might get into the way when doing "git update" without doing 6278# a "make distclean" in between. 6279DIRS="tests tests/tcg tests/qapi-schema tests/qtest/libqos" 6280DIRS="$DIRS tests/qtest tests/qemu-iotests tests/vm tests/fp tests/qgraph" 6281DIRS="$DIRS docs docs/interop fsdev scsi" 6282DIRS="$DIRS pc-bios/optionrom pc-bios/s390-ccw" 6283DIRS="$DIRS roms/seabios" 6284DIRS="$DIRS contrib/plugins/" 6285LINKS="Makefile" 6286LINKS="$LINKS tests/tcg/Makefile.target" 6287LINKS="$LINKS pc-bios/optionrom/Makefile" 6288LINKS="$LINKS pc-bios/s390-ccw/Makefile" 6289LINKS="$LINKS roms/seabios/Makefile" 6290LINKS="$LINKS pc-bios/qemu-icon.bmp" 6291LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit 6292LINKS="$LINKS tests/acceptance tests/data" 6293LINKS="$LINKS tests/qemu-iotests/check" 6294LINKS="$LINKS python" 6295LINKS="$LINKS contrib/plugins/Makefile " 6296UNLINK="pc-bios/keymaps" 6297for bios_file in \ 6298 $source_path/pc-bios/*.bin \ 6299 $source_path/pc-bios/*.elf \ 6300 $source_path/pc-bios/*.lid \ 6301 $source_path/pc-bios/*.rom \ 6302 $source_path/pc-bios/*.dtb \ 6303 $source_path/pc-bios/*.img \ 6304 $source_path/pc-bios/openbios-* \ 6305 $source_path/pc-bios/u-boot.* \ 6306 $source_path/pc-bios/edk2-*.fd.bz2 \ 6307 $source_path/pc-bios/palcode-* 6308do 6309 LINKS="$LINKS pc-bios/$(basename $bios_file)" 6310done 6311mkdir -p $DIRS 6312for f in $LINKS ; do 6313 if [ -e "$source_path/$f" ]; then 6314 symlink "$source_path/$f" "$f" 6315 fi 6316done 6317for f in $UNLINK ; do 6318 if [ -L "$f" ]; then 6319 rm -f "$f" 6320 fi 6321done 6322 6323(for i in $cross_cc_vars; do 6324 export $i 6325done 6326export target_list source_path use_containers ARCH 6327$source_path/tests/tcg/configure.sh) 6328 6329# temporary config to build submodules 6330for rom in seabios; do 6331 config_mak=roms/$rom/config.mak 6332 echo "# Automatically generated by configure - do not modify" > $config_mak 6333 echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak 6334 echo "AS=$as" >> $config_mak 6335 echo "CCAS=$ccas" >> $config_mak 6336 echo "CC=$cc" >> $config_mak 6337 echo "BCC=bcc" >> $config_mak 6338 echo "CPP=$cpp" >> $config_mak 6339 echo "OBJCOPY=objcopy" >> $config_mak 6340 echo "IASL=$iasl" >> $config_mak 6341 echo "LD=$ld" >> $config_mak 6342 echo "RANLIB=$ranlib" >> $config_mak 6343done 6344 6345if test "$skip_meson" = no; then 6346 cross="config-meson.cross.new" 6347 meson_quote() { 6348 echo "'$(echo $* | sed "s/ /','/g")'" 6349 } 6350 6351 echo "# Automatically generated by configure - do not modify" > $cross 6352 echo "[properties]" >> $cross 6353 test -z "$cxx" && echo "link_language = 'c'" >> $cross 6354 echo "[built-in options]" >> $cross 6355 echo "c_args = [${CFLAGS:+$(meson_quote $CFLAGS)}]" >> $cross 6356 echo "cpp_args = [${CXXFLAGS:+$(meson_quote $CXXFLAGS)}]" >> $cross 6357 echo "c_link_args = [${LDFLAGS:+$(meson_quote $LDFLAGS)}]" >> $cross 6358 echo "cpp_link_args = [${LDFLAGS:+$(meson_quote $LDFLAGS)}]" >> $cross 6359 echo "[binaries]" >> $cross 6360 echo "c = [$(meson_quote $cc)]" >> $cross 6361 test -n "$cxx" && echo "cpp = [$(meson_quote $cxx)]" >> $cross 6362 test -n "$objcc" && echo "objc = [$(meson_quote $objcc)]" >> $cross 6363 echo "ar = [$(meson_quote $ar)]" >> $cross 6364 echo "nm = [$(meson_quote $nm)]" >> $cross 6365 echo "pkgconfig = [$(meson_quote $pkg_config_exe)]" >> $cross 6366 echo "ranlib = [$(meson_quote $ranlib)]" >> $cross 6367 if has $sdl2_config; then 6368 echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross 6369 fi 6370 echo "strip = [$(meson_quote $strip)]" >> $cross 6371 echo "windres = [$(meson_quote $windres)]" >> $cross 6372 if test "$cross_compile" = "yes"; then 6373 cross_arg="--cross-file config-meson.cross" 6374 echo "[host_machine]" >> $cross 6375 if test "$mingw32" = "yes" ; then 6376 echo "system = 'windows'" >> $cross 6377 fi 6378 if test "$linux" = "yes" ; then 6379 echo "system = 'linux'" >> $cross 6380 fi 6381 if test "$darwin" = "yes" ; then 6382 echo "system = 'darwin'" >> $cross 6383 fi 6384 case "$ARCH" in 6385 i386) 6386 echo "cpu_family = 'x86'" >> $cross 6387 ;; 6388 x86_64) 6389 echo "cpu_family = 'x86_64'" >> $cross 6390 ;; 6391 ppc64le) 6392 echo "cpu_family = 'ppc64'" >> $cross 6393 ;; 6394 *) 6395 echo "cpu_family = '$ARCH'" >> $cross 6396 ;; 6397 esac 6398 echo "cpu = '$cpu'" >> $cross 6399 if test "$bigendian" = "yes" ; then 6400 echo "endian = 'big'" >> $cross 6401 else 6402 echo "endian = 'little'" >> $cross 6403 fi 6404 else 6405 cross_arg="--native-file config-meson.cross" 6406 fi 6407 mv $cross config-meson.cross 6408 6409 rm -rf meson-private meson-info meson-logs 6410 unset staticpic 6411 if ! version_ge "$($meson --version)" 0.56.0; then 6412 staticpic=$(if test "$pie" = yes; then echo true; else echo false; fi) 6413 fi 6414 NINJA=$ninja $meson setup \ 6415 --prefix "$prefix" \ 6416 --libdir "$libdir" \ 6417 --libexecdir "$libexecdir" \ 6418 --bindir "$bindir" \ 6419 --includedir "$includedir" \ 6420 --datadir "$datadir" \ 6421 --mandir "$mandir" \ 6422 --sysconfdir "$sysconfdir" \ 6423 --localedir "$localedir" \ 6424 --localstatedir "$local_statedir" \ 6425 -Ddocdir="$docdir" \ 6426 -Dqemu_firmwarepath="$firmwarepath" \ 6427 -Dqemu_suffix="$qemu_suffix" \ 6428 -Doptimization=$(if test "$debug" = yes; then echo 0; else echo 2; fi) \ 6429 -Ddebug=$(if test "$debug_info" = yes; then echo true; else echo false; fi) \ 6430 -Dwerror=$(if test "$werror" = yes; then echo true; else echo false; fi) \ 6431 -Dstrip=$(if test "$strip_opt" = yes; then echo true; else echo false; fi) \ 6432 -Db_pie=$(if test "$pie" = yes; then echo true; else echo false; fi) \ 6433 ${staticpic:+-Db_staticpic=$staticpic} \ 6434 -Db_coverage=$(if test "$gcov" = yes; then echo true; else echo false; fi) \ 6435 -Db_lto=$lto -Dcfi=$cfi -Dcfi_debug=$cfi_debug \ 6436 -Dmalloc=$malloc -Dmalloc_trim=$malloc_trim -Dsparse=$sparse \ 6437 -Dkvm=$kvm -Dhax=$hax -Dwhpx=$whpx -Dhvf=$hvf -Dnvmm=$nvmm \ 6438 -Dxen=$xen -Dxen_pci_passthrough=$xen_pci_passthrough -Dtcg=$tcg \ 6439 -Dcocoa=$cocoa -Dgtk=$gtk -Dmpath=$mpath -Dsdl=$sdl -Dsdl_image=$sdl_image \ 6440 -Dvnc=$vnc -Dvnc_sasl=$vnc_sasl -Dvnc_jpeg=$vnc_jpeg -Dvnc_png=$vnc_png \ 6441 -Dgettext=$gettext -Dxkbcommon=$xkbcommon -Du2f=$u2f -Dvirtiofsd=$virtiofsd \ 6442 -Dcapstone=$capstone -Dslirp=$slirp -Dfdt=$fdt -Dbrlapi=$brlapi \ 6443 -Dcurl=$curl -Dglusterfs=$glusterfs -Dbzip2=$bzip2 -Dlibiscsi=$libiscsi \ 6444 -Dlibnfs=$libnfs -Diconv=$iconv -Dcurses=$curses -Dlibudev=$libudev\ 6445 -Drbd=$rbd -Dlzo=$lzo -Dsnappy=$snappy -Dlzfse=$lzfse \ 6446 -Dzstd=$zstd -Dseccomp=$seccomp -Dvirtfs=$virtfs -Dcap_ng=$cap_ng \ 6447 -Dattr=$attr -Ddefault_devices=$default_devices \ 6448 -Ddocs=$docs -Dsphinx_build=$sphinx_build -Dinstall_blobs=$blobs \ 6449 -Dvhost_user_blk_server=$vhost_user_blk_server -Dmultiprocess=$multiprocess \ 6450 -Dfuse=$fuse -Dfuse_lseek=$fuse_lseek -Dguest_agent_msi=$guest_agent_msi \ 6451 $(if test "$default_features" = no; then echo "-Dauto_features=disabled"; fi) \ 6452 -Dtcg_interpreter=$tcg_interpreter \ 6453 $cross_arg \ 6454 "$PWD" "$source_path" 6455 6456 if test "$?" -ne 0 ; then 6457 error_exit "meson setup failed" 6458 fi 6459else 6460 if test -f meson-private/cmd_line.txt; then 6461 # Adjust old command line options whose type was changed 6462 # Avoids having to use "setup --wipe" when Meson is upgraded 6463 perl -i -ne ' 6464 s/^gettext = true$/gettext = auto/; 6465 s/^gettext = false$/gettext = disabled/; 6466 print;' meson-private/cmd_line.txt 6467 fi 6468fi 6469 6470if test -n "${deprecated_features}"; then 6471 echo "Warning, deprecated features enabled." 6472 echo "Please see docs/system/deprecated.rst" 6473 echo " features: ${deprecated_features}" 6474fi 6475 6476# Create list of config switches that should be poisoned in common code... 6477# but filter out CONFIG_TCG and CONFIG_USER_ONLY which are special. 6478sed -n -e '/CONFIG_TCG/d' -e '/CONFIG_USER_ONLY/d' \ 6479 -e '/^#define / { s///; s/ .*//; s/^/#pragma GCC poison /p; }' \ 6480 *-config-devices.h *-config-target.h | \ 6481 sort -u > config-poison.h 6482 6483# Save the configure command line for later reuse. 6484cat <<EOD >config.status 6485#!/bin/sh 6486# Generated by configure. 6487# Run this file to recreate the current configuration. 6488# Compiler output produced by configure, useful for debugging 6489# configure, is in config.log if it exists. 6490EOD 6491 6492preserve_env() { 6493 envname=$1 6494 6495 eval envval=\$$envname 6496 6497 if test -n "$envval" 6498 then 6499 echo "$envname='$envval'" >> config.status 6500 echo "export $envname" >> config.status 6501 else 6502 echo "unset $envname" >> config.status 6503 fi 6504} 6505 6506# Preserve various env variables that influence what 6507# features/build target configure will detect 6508preserve_env AR 6509preserve_env AS 6510preserve_env CC 6511preserve_env CPP 6512preserve_env CXX 6513preserve_env INSTALL 6514preserve_env LD 6515preserve_env LD_LIBRARY_PATH 6516preserve_env LIBTOOL 6517preserve_env MAKE 6518preserve_env NM 6519preserve_env OBJCOPY 6520preserve_env PATH 6521preserve_env PKG_CONFIG 6522preserve_env PKG_CONFIG_LIBDIR 6523preserve_env PKG_CONFIG_PATH 6524preserve_env PYTHON 6525preserve_env SDL2_CONFIG 6526preserve_env SMBD 6527preserve_env STRIP 6528preserve_env WINDRES 6529 6530printf "exec" >>config.status 6531for i in "$0" "$@"; do 6532 test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status 6533done 6534echo ' "$@"' >>config.status 6535chmod +x config.status 6536 6537rm -r "$TMPDIR1" 6538