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 "$source_path/.git" 257then 258 git_submodules_action="update" 259else 260 git_submodules_action="ignore" 261fi 262 263git_submodules="ui/keycodemapdb" 264git="git" 265 266# Don't accept a target_list environment variable. 267unset target_list 268unset target_list_exclude 269 270# Default value for a variable defining feature "foo". 271# * foo="no" feature will only be used if --enable-foo arg is given 272# * foo="" feature will be searched for, and if found, will be used 273# unless --disable-foo is given 274# * foo="yes" this value will only be set by --enable-foo flag. 275# feature will searched for, 276# if not found, configure exits with error 277# 278# Always add --enable-foo and --disable-foo command line args. 279# Distributions want to ensure that several features are compiled in, and it 280# is impossible without a --enable-foo that exits if a feature is not found. 281 282default_feature="" 283# parse CC options second 284for opt do 285 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 286 case "$opt" in 287 --without-default-features) 288 default_feature="no" 289 ;; 290 esac 291done 292 293brlapi="auto" 294curl="auto" 295iconv="auto" 296curses="auto" 297docs="auto" 298fdt="auto" 299netmap="no" 300sdl="auto" 301sdl_image="auto" 302coreaudio="auto" 303virtiofsd="auto" 304virtfs="auto" 305libudev="auto" 306mpath="auto" 307vnc="enabled" 308sparse="auto" 309vde="$default_feature" 310vnc_sasl="auto" 311vnc_jpeg="auto" 312vnc_png="auto" 313xkbcommon="auto" 314xen="$default_feature" 315xen_ctrl_version="$default_feature" 316xen_pci_passthrough="auto" 317linux_aio="$default_feature" 318linux_io_uring="$default_feature" 319cap_ng="auto" 320attr="auto" 321xfs="$default_feature" 322tcg="enabled" 323membarrier="$default_feature" 324vhost_net="$default_feature" 325vhost_crypto="$default_feature" 326vhost_scsi="$default_feature" 327vhost_vsock="$default_feature" 328vhost_user="no" 329vhost_user_blk_server="auto" 330vhost_user_fs="$default_feature" 331kvm="auto" 332hax="auto" 333hvf="auto" 334whpx="auto" 335nvmm="auto" 336rdma="$default_feature" 337pvrdma="$default_feature" 338gprof="no" 339debug_tcg="no" 340debug="no" 341sanitizers="no" 342tsan="no" 343fortify_source="$default_feature" 344strip_opt="yes" 345tcg_interpreter="false" 346bigendian="no" 347mingw32="no" 348gcov="no" 349EXESUF="" 350HOST_DSOSUF=".so" 351modules="no" 352module_upgrades="no" 353prefix="/usr/local" 354qemu_suffix="qemu" 355slirp="auto" 356oss_lib="" 357bsd="no" 358linux="no" 359solaris="no" 360profiler="no" 361cocoa="auto" 362softmmu="yes" 363linux_user="no" 364bsd_user="no" 365blobs="true" 366pkgversion="" 367pie="" 368qom_cast_debug="yes" 369trace_backends="log" 370trace_file="trace" 371spice="$default_feature" 372spice_protocol="auto" 373rbd="auto" 374smartcard="$default_feature" 375u2f="auto" 376libusb="$default_feature" 377usb_redir="$default_feature" 378opengl="$default_feature" 379cpuid_h="no" 380avx2_opt="$default_feature" 381capstone="auto" 382lzo="auto" 383snappy="auto" 384bzip2="auto" 385lzfse="auto" 386zstd="auto" 387guest_agent="$default_feature" 388guest_agent_with_vss="no" 389guest_agent_ntddscsi="no" 390guest_agent_msi="auto" 391vss_win32_sdk="$default_feature" 392win_sdk="no" 393want_tools="$default_feature" 394libiscsi="auto" 395libnfs="auto" 396coroutine="" 397coroutine_pool="$default_feature" 398debug_stack_usage="no" 399crypto_afalg="no" 400cfi="false" 401cfi_debug="false" 402seccomp="auto" 403glusterfs="auto" 404gtk="auto" 405tls_priority="NORMAL" 406gnutls="$default_feature" 407nettle="$default_feature" 408nettle_xts="no" 409gcrypt="$default_feature" 410gcrypt_xts="no" 411qemu_private_xts="yes" 412auth_pam="$default_feature" 413vte="$default_feature" 414virglrenderer="$default_feature" 415tpm="$default_feature" 416libssh="$default_feature" 417live_block_migration=${default_feature:-yes} 418numa="$default_feature" 419tcmalloc="no" 420jemalloc="no" 421replication=${default_feature:-yes} 422bochs=${default_feature:-yes} 423cloop=${default_feature:-yes} 424dmg=${default_feature:-yes} 425qcow1=${default_feature:-yes} 426vdi=${default_feature:-yes} 427vvfat=${default_feature:-yes} 428qed=${default_feature:-yes} 429parallels=${default_feature:-yes} 430libxml2="$default_feature" 431debug_mutex="no" 432libpmem="$default_feature" 433default_devices="true" 434plugins="no" 435fuzzing="no" 436rng_none="no" 437secret_keyring="$default_feature" 438libdaxctl="$default_feature" 439meson="" 440ninja="" 441skip_meson=no 442gettext="auto" 443fuse="auto" 444fuse_lseek="auto" 445multiprocess="auto" 446slirp_smbd="$default_feature" 447 448malloc_trim="auto" 449gio="$default_feature" 450 451# parse CC options second 452for opt do 453 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 454 case "$opt" in 455 --cross-prefix=*) cross_prefix="$optarg" 456 cross_compile="yes" 457 ;; 458 --cc=*) CC="$optarg" 459 ;; 460 --cxx=*) CXX="$optarg" 461 ;; 462 --cpu=*) cpu="$optarg" 463 ;; 464 --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg" 465 QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg" 466 ;; 467 --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg" 468 ;; 469 --extra-ldflags=*) QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg" 470 EXTRA_LDFLAGS="$optarg" 471 ;; 472 --enable-debug-info) debug_info="yes" 473 ;; 474 --disable-debug-info) debug_info="no" 475 ;; 476 --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option" 477 ;; 478 --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-flags-}; cc_arch=${cc_arch%%=*} 479 eval "cross_cc_cflags_${cc_arch}=\$optarg" 480 cross_cc_vars="$cross_cc_vars cross_cc_cflags_${cc_arch}" 481 ;; 482 --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*} 483 cc_archs="$cc_archs $cc_arch" 484 eval "cross_cc_${cc_arch}=\$optarg" 485 cross_cc_vars="$cross_cc_vars cross_cc_${cc_arch}" 486 ;; 487 esac 488done 489# OS specific 490# Using uname is really, really broken. Once we have the right set of checks 491# we can eliminate its usage altogether. 492 493# Preferred compiler: 494# ${CC} (if set) 495# ${cross_prefix}gcc (if cross-prefix specified) 496# system compiler 497if test -z "${CC}${cross_prefix}"; then 498 cc="$host_cc" 499else 500 cc="${CC-${cross_prefix}gcc}" 501fi 502 503if test -z "${CXX}${cross_prefix}"; then 504 cxx="c++" 505else 506 cxx="${CXX-${cross_prefix}g++}" 507fi 508 509ar="${AR-${cross_prefix}ar}" 510as="${AS-${cross_prefix}as}" 511ccas="${CCAS-$cc}" 512cpp="${CPP-$cc -E}" 513objcopy="${OBJCOPY-${cross_prefix}objcopy}" 514ld="${LD-${cross_prefix}ld}" 515ranlib="${RANLIB-${cross_prefix}ranlib}" 516nm="${NM-${cross_prefix}nm}" 517strip="${STRIP-${cross_prefix}strip}" 518windres="${WINDRES-${cross_prefix}windres}" 519pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}" 520query_pkg_config() { 521 "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@" 522} 523pkg_config=query_pkg_config 524sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}" 525 526# If the user hasn't specified ARFLAGS, default to 'rv', just as make does. 527ARFLAGS="${ARFLAGS-rv}" 528 529# default flags for all hosts 530# We use -fwrapv to tell the compiler that we require a C dialect where 531# left shift of signed integers is well defined and has the expected 532# 2s-complement style results. (Both clang and gcc agree that it 533# provides these semantics.) 534QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv $QEMU_CFLAGS" 535QEMU_CFLAGS="-Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS" 536QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS" 537QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS" 538 539# Flags that are needed during configure but later taken care of by Meson 540CONFIGURE_CFLAGS="-std=gnu99 -Wall" 541CONFIGURE_LDFLAGS= 542 543 544check_define() { 545cat > $TMPC <<EOF 546#if !defined($1) 547#error $1 not defined 548#endif 549int main(void) { return 0; } 550EOF 551 compile_object 552} 553 554check_include() { 555cat > $TMPC <<EOF 556#include <$1> 557int main(void) { return 0; } 558EOF 559 compile_object 560} 561 562write_c_skeleton() { 563 cat > $TMPC <<EOF 564int main(void) { return 0; } 565EOF 566} 567 568write_c_fuzzer_skeleton() { 569 cat > $TMPC <<EOF 570#include <stdint.h> 571#include <sys/types.h> 572int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size); 573int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; } 574EOF 575} 576 577if check_define __linux__ ; then 578 targetos="Linux" 579elif check_define _WIN32 ; then 580 targetos='MINGW32' 581elif check_define __OpenBSD__ ; then 582 targetos='OpenBSD' 583elif check_define __sun__ ; then 584 targetos='SunOS' 585elif check_define __HAIKU__ ; then 586 targetos='Haiku' 587elif check_define __FreeBSD__ ; then 588 targetos='FreeBSD' 589elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then 590 targetos='GNU/kFreeBSD' 591elif check_define __DragonFly__ ; then 592 targetos='DragonFly' 593elif check_define __NetBSD__; then 594 targetos='NetBSD' 595elif check_define __APPLE__; then 596 targetos='Darwin' 597else 598 # This is a fatal error, but don't report it yet, because we 599 # might be going to just print the --help text, or it might 600 # be the result of a missing compiler. 601 targetos='bogus' 602fi 603 604# Some host OSes need non-standard checks for which CPU to use. 605# Note that these checks are broken for cross-compilation: if you're 606# cross-compiling to one of these OSes then you'll need to specify 607# the correct CPU with the --cpu option. 608case $targetos in 609Darwin) 610 HOST_DSOSUF=".dylib" 611 ;; 612SunOS) 613 # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo 614 if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then 615 cpu="x86_64" 616 fi 617esac 618 619if test ! -z "$cpu" ; then 620 # command line argument 621 : 622elif check_define __i386__ ; then 623 cpu="i386" 624elif check_define __x86_64__ ; then 625 if check_define __ILP32__ ; then 626 cpu="x32" 627 else 628 cpu="x86_64" 629 fi 630elif check_define __sparc__ ; then 631 if check_define __arch64__ ; then 632 cpu="sparc64" 633 else 634 cpu="sparc" 635 fi 636elif check_define _ARCH_PPC ; then 637 if check_define _ARCH_PPC64 ; then 638 if check_define _LITTLE_ENDIAN ; then 639 cpu="ppc64le" 640 else 641 cpu="ppc64" 642 fi 643 else 644 cpu="ppc" 645 fi 646elif check_define __mips__ ; then 647 cpu="mips" 648elif check_define __s390__ ; then 649 if check_define __s390x__ ; then 650 cpu="s390x" 651 else 652 cpu="s390" 653 fi 654elif check_define __riscv ; then 655 if check_define _LP64 ; then 656 cpu="riscv64" 657 else 658 cpu="riscv32" 659 fi 660elif check_define __arm__ ; then 661 cpu="arm" 662elif check_define __aarch64__ ; then 663 cpu="aarch64" 664else 665 cpu=$(uname -m) 666fi 667 668ARCH= 669# Normalise host CPU name and set ARCH. 670# Note that this case should only have supported host CPUs, not guests. 671case "$cpu" in 672 ppc|ppc64|s390x|sparc64|x32|riscv32|riscv64) 673 ;; 674 ppc64le) 675 ARCH="ppc64" 676 ;; 677 i386|i486|i586|i686|i86pc|BePC) 678 cpu="i386" 679 ;; 680 x86_64|amd64) 681 cpu="x86_64" 682 ;; 683 armv*b|armv*l|arm) 684 cpu="arm" 685 ;; 686 aarch64) 687 cpu="aarch64" 688 ;; 689 mips*) 690 cpu="mips" 691 ;; 692 sparc|sun4[cdmuv]) 693 cpu="sparc" 694 ;; 695 *) 696 # This will result in either an error or falling back to TCI later 697 ARCH=unknown 698 ;; 699esac 700if test -z "$ARCH"; then 701 ARCH="$cpu" 702fi 703 704# OS specific 705 706case $targetos in 707MINGW32*) 708 mingw32="yes" 709 audio_possible_drivers="dsound sdl" 710 if check_include dsound.h; then 711 audio_drv_list="dsound" 712 else 713 audio_drv_list="" 714 fi 715 supported_os="yes" 716 pie="no" 717;; 718GNU/kFreeBSD) 719 bsd="yes" 720 audio_drv_list="oss try-sdl" 721 audio_possible_drivers="oss sdl pa" 722;; 723FreeBSD) 724 bsd="yes" 725 make="${MAKE-gmake}" 726 audio_drv_list="oss try-sdl" 727 audio_possible_drivers="oss sdl pa" 728 # needed for kinfo_getvmmap(3) in libutil.h 729 netmap="" # enable netmap autodetect 730;; 731DragonFly) 732 bsd="yes" 733 make="${MAKE-gmake}" 734 audio_drv_list="oss try-sdl" 735 audio_possible_drivers="oss sdl pa" 736;; 737NetBSD) 738 bsd="yes" 739 make="${MAKE-gmake}" 740 audio_drv_list="oss try-sdl" 741 audio_possible_drivers="oss sdl" 742 oss_lib="-lossaudio" 743;; 744OpenBSD) 745 bsd="yes" 746 make="${MAKE-gmake}" 747 audio_drv_list="try-sdl" 748 audio_possible_drivers="sdl" 749;; 750Darwin) 751 bsd="yes" 752 darwin="yes" 753 audio_drv_list="try-coreaudio try-sdl" 754 audio_possible_drivers="coreaudio sdl" 755 # Disable attempts to use ObjectiveC features in os/object.h since they 756 # won't work when we're compiling with gcc as a C compiler. 757 QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS" 758;; 759SunOS) 760 solaris="yes" 761 make="${MAKE-gmake}" 762 smbd="${SMBD-/usr/sfw/sbin/smbd}" 763 if test -f /usr/include/sys/soundcard.h ; then 764 audio_drv_list="oss try-sdl" 765 fi 766 audio_possible_drivers="oss sdl" 767# needed for CMSG_ macros in sys/socket.h 768 QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS" 769# needed for TIOCWIN* defines in termios.h 770 QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS" 771;; 772Haiku) 773 haiku="yes" 774 QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -D_BSD_SOURCE $QEMU_CFLAGS" 775;; 776Linux) 777 audio_drv_list="try-pa oss" 778 audio_possible_drivers="oss alsa sdl pa" 779 linux="yes" 780 linux_user="yes" 781 vhost_user=${default_feature:-yes} 782;; 783esac 784 785if [ "$bsd" = "yes" ] ; then 786 if [ "$darwin" != "yes" ] ; then 787 bsd_user="yes" 788 fi 789fi 790 791: ${make=${MAKE-make}} 792 793# We prefer python 3.x. A bare 'python' is traditionally 794# python 2.x, but some distros have it as python 3.x, so 795# we check that too 796python= 797explicit_python=no 798for binary in "${PYTHON-python3}" python 799do 800 if has "$binary" 801 then 802 python=$(command -v "$binary") 803 break 804 fi 805done 806 807 808# Check for ancillary tools used in testing 809genisoimage= 810for binary in genisoimage mkisofs 811do 812 if has $binary 813 then 814 genisoimage=$(command -v "$binary") 815 break 816 fi 817done 818 819# Default objcc to clang if available, otherwise use CC 820if has clang; then 821 objcc=clang 822else 823 objcc="$cc" 824fi 825 826if test "$mingw32" = "yes" ; then 827 EXESUF=".exe" 828 HOST_DSOSUF=".dll" 829 # MinGW needs -mthreads for TLS and macro _MT. 830 CONFIGURE_CFLAGS="-mthreads $CONFIGURE_CFLAGS" 831 write_c_skeleton; 832 prefix="/qemu" 833 qemu_suffix="" 834 libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga" 835fi 836 837werror="" 838 839for opt do 840 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 841 case "$opt" in 842 --help|-h) show_help=yes 843 ;; 844 --version|-V) exec cat $source_path/VERSION 845 ;; 846 --prefix=*) prefix="$optarg" 847 ;; 848 --interp-prefix=*) interp_prefix="$optarg" 849 ;; 850 --cross-prefix=*) 851 ;; 852 --cc=*) 853 ;; 854 --host-cc=*) host_cc="$optarg" 855 ;; 856 --cxx=*) 857 ;; 858 --iasl=*) iasl="$optarg" 859 ;; 860 --objcc=*) objcc="$optarg" 861 ;; 862 --make=*) make="$optarg" 863 ;; 864 --install=*) 865 ;; 866 --python=*) python="$optarg" ; explicit_python=yes 867 ;; 868 --sphinx-build=*) sphinx_build="$optarg" 869 ;; 870 --skip-meson) skip_meson=yes 871 ;; 872 --meson=*) meson="$optarg" 873 ;; 874 --ninja=*) ninja="$optarg" 875 ;; 876 --smbd=*) smbd="$optarg" 877 ;; 878 --extra-cflags=*) 879 ;; 880 --extra-cxxflags=*) 881 ;; 882 --extra-ldflags=*) 883 ;; 884 --enable-debug-info) 885 ;; 886 --disable-debug-info) 887 ;; 888 --cross-cc-*) 889 ;; 890 --enable-modules) 891 modules="yes" 892 ;; 893 --disable-modules) 894 modules="no" 895 ;; 896 --disable-module-upgrades) module_upgrades="no" 897 ;; 898 --enable-module-upgrades) module_upgrades="yes" 899 ;; 900 --cpu=*) 901 ;; 902 --target-list=*) target_list="$optarg" 903 if test "$target_list_exclude"; then 904 error_exit "Can't mix --target-list with --target-list-exclude" 905 fi 906 ;; 907 --target-list-exclude=*) target_list_exclude="$optarg" 908 if test "$target_list"; then 909 error_exit "Can't mix --target-list-exclude with --target-list" 910 fi 911 ;; 912 --enable-trace-backends=*) trace_backends="$optarg" 913 ;; 914 # XXX: backwards compatibility 915 --enable-trace-backend=*) trace_backends="$optarg" 916 ;; 917 --with-trace-file=*) trace_file="$optarg" 918 ;; 919 --with-default-devices) default_devices="true" 920 ;; 921 --without-default-devices) default_devices="false" 922 ;; 923 --without-default-features) # processed above 924 ;; 925 --enable-gprof) gprof="yes" 926 ;; 927 --enable-gcov) gcov="yes" 928 ;; 929 --static) 930 static="yes" 931 QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS" 932 ;; 933 --mandir=*) mandir="$optarg" 934 ;; 935 --bindir=*) bindir="$optarg" 936 ;; 937 --libdir=*) libdir="$optarg" 938 ;; 939 --libexecdir=*) libexecdir="$optarg" 940 ;; 941 --includedir=*) includedir="$optarg" 942 ;; 943 --datadir=*) datadir="$optarg" 944 ;; 945 --with-suffix=*) qemu_suffix="$optarg" 946 ;; 947 --docdir=*) docdir="$optarg" 948 ;; 949 --localedir=*) localedir="$optarg" 950 ;; 951 --sysconfdir=*) sysconfdir="$optarg" 952 ;; 953 --localstatedir=*) local_statedir="$optarg" 954 ;; 955 --firmwarepath=*) firmwarepath="$optarg" 956 ;; 957 --host=*|--build=*|\ 958 --disable-dependency-tracking|\ 959 --sbindir=*|--sharedstatedir=*|\ 960 --oldincludedir=*|--datarootdir=*|--infodir=*|\ 961 --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*) 962 # These switches are silently ignored, for compatibility with 963 # autoconf-generated configure scripts. This allows QEMU's 964 # configure to be used by RPM and similar macros that set 965 # lots of directory switches by default. 966 ;; 967 --disable-sdl) sdl="disabled" 968 ;; 969 --enable-sdl) sdl="enabled" 970 ;; 971 --disable-sdl-image) sdl_image="disabled" 972 ;; 973 --enable-sdl-image) sdl_image="enabled" 974 ;; 975 --disable-qom-cast-debug) qom_cast_debug="no" 976 ;; 977 --enable-qom-cast-debug) qom_cast_debug="yes" 978 ;; 979 --disable-virtfs) virtfs="disabled" 980 ;; 981 --enable-virtfs) virtfs="enabled" 982 ;; 983 --disable-libudev) libudev="disabled" 984 ;; 985 --enable-libudev) libudev="enabled" 986 ;; 987 --disable-virtiofsd) virtiofsd="disabled" 988 ;; 989 --enable-virtiofsd) virtiofsd="enabled" 990 ;; 991 --disable-mpath) mpath="disabled" 992 ;; 993 --enable-mpath) mpath="enabled" 994 ;; 995 --disable-vnc) vnc="disabled" 996 ;; 997 --enable-vnc) vnc="enabled" 998 ;; 999 --disable-gettext) gettext="disabled" 1000 ;; 1001 --enable-gettext) gettext="enabled" 1002 ;; 1003 --oss-lib=*) oss_lib="$optarg" 1004 ;; 1005 --audio-drv-list=*) audio_drv_list="$optarg" 1006 ;; 1007 --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g') 1008 ;; 1009 --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g') 1010 ;; 1011 --enable-debug-tcg) debug_tcg="yes" 1012 ;; 1013 --disable-debug-tcg) debug_tcg="no" 1014 ;; 1015 --enable-debug) 1016 # Enable debugging options that aren't excessively noisy 1017 debug_tcg="yes" 1018 debug_mutex="yes" 1019 debug="yes" 1020 strip_opt="no" 1021 fortify_source="no" 1022 ;; 1023 --enable-sanitizers) sanitizers="yes" 1024 ;; 1025 --disable-sanitizers) sanitizers="no" 1026 ;; 1027 --enable-tsan) tsan="yes" 1028 ;; 1029 --disable-tsan) tsan="no" 1030 ;; 1031 --enable-sparse) sparse="enabled" 1032 ;; 1033 --disable-sparse) sparse="disabled" 1034 ;; 1035 --disable-strip) strip_opt="no" 1036 ;; 1037 --disable-vnc-sasl) vnc_sasl="disabled" 1038 ;; 1039 --enable-vnc-sasl) vnc_sasl="enabled" 1040 ;; 1041 --disable-vnc-jpeg) vnc_jpeg="disabled" 1042 ;; 1043 --enable-vnc-jpeg) vnc_jpeg="enabled" 1044 ;; 1045 --disable-vnc-png) vnc_png="disabled" 1046 ;; 1047 --enable-vnc-png) vnc_png="enabled" 1048 ;; 1049 --disable-slirp) slirp="disabled" 1050 ;; 1051 --enable-slirp) slirp="enabled" 1052 ;; 1053 --enable-slirp=git) slirp="internal" 1054 ;; 1055 --enable-slirp=system) slirp="system" 1056 ;; 1057 --disable-vde) vde="no" 1058 ;; 1059 --enable-vde) vde="yes" 1060 ;; 1061 --disable-netmap) netmap="no" 1062 ;; 1063 --enable-netmap) netmap="yes" 1064 ;; 1065 --disable-xen) xen="disabled" 1066 ;; 1067 --enable-xen) xen="enabled" 1068 ;; 1069 --disable-xen-pci-passthrough) xen_pci_passthrough="disabled" 1070 ;; 1071 --enable-xen-pci-passthrough) xen_pci_passthrough="enabled" 1072 ;; 1073 --disable-brlapi) brlapi="disabled" 1074 ;; 1075 --enable-brlapi) brlapi="enabled" 1076 ;; 1077 --disable-kvm) kvm="disabled" 1078 ;; 1079 --enable-kvm) kvm="enabled" 1080 ;; 1081 --disable-hax) hax="disabled" 1082 ;; 1083 --enable-hax) hax="enabled" 1084 ;; 1085 --disable-hvf) hvf="disabled" 1086 ;; 1087 --enable-hvf) hvf="enabled" 1088 ;; 1089 --disable-nvmm) nvmm="disabled" 1090 ;; 1091 --enable-nvmm) nvmm="enabled" 1092 ;; 1093 --disable-whpx) whpx="disabled" 1094 ;; 1095 --enable-whpx) whpx="enabled" 1096 ;; 1097 --disable-tcg-interpreter) tcg_interpreter="false" 1098 ;; 1099 --enable-tcg-interpreter) tcg_interpreter="true" 1100 ;; 1101 --disable-cap-ng) cap_ng="disabled" 1102 ;; 1103 --enable-cap-ng) cap_ng="enabled" 1104 ;; 1105 --disable-tcg) tcg="disabled" 1106 ;; 1107 --enable-tcg) tcg="enabled" 1108 ;; 1109 --disable-malloc-trim) malloc_trim="disabled" 1110 ;; 1111 --enable-malloc-trim) malloc_trim="enabled" 1112 ;; 1113 --disable-spice) spice="no" 1114 ;; 1115 --enable-spice) 1116 spice_protocol="yes" 1117 spice="yes" 1118 ;; 1119 --disable-spice-protocol) 1120 spice_protocol="no" 1121 spice="no" 1122 ;; 1123 --enable-spice-protocol) spice_protocol="yes" 1124 ;; 1125 --disable-libiscsi) libiscsi="disabled" 1126 ;; 1127 --enable-libiscsi) libiscsi="enabled" 1128 ;; 1129 --disable-libnfs) libnfs="disabled" 1130 ;; 1131 --enable-libnfs) libnfs="enabled" 1132 ;; 1133 --enable-profiler) profiler="yes" 1134 ;; 1135 --disable-cocoa) cocoa="disabled" 1136 ;; 1137 --enable-cocoa) cocoa="enabled" 1138 ;; 1139 --disable-system) softmmu="no" 1140 ;; 1141 --enable-system) softmmu="yes" 1142 ;; 1143 --disable-user) 1144 linux_user="no" ; 1145 bsd_user="no" ; 1146 ;; 1147 --enable-user) ;; 1148 --disable-linux-user) linux_user="no" 1149 ;; 1150 --enable-linux-user) linux_user="yes" 1151 ;; 1152 --disable-bsd-user) bsd_user="no" 1153 ;; 1154 --enable-bsd-user) bsd_user="yes" 1155 ;; 1156 --enable-pie) pie="yes" 1157 ;; 1158 --disable-pie) pie="no" 1159 ;; 1160 --enable-werror) werror="yes" 1161 ;; 1162 --disable-werror) werror="no" 1163 ;; 1164 --enable-lto) lto="true" 1165 ;; 1166 --disable-lto) lto="false" 1167 ;; 1168 --enable-stack-protector) stack_protector="yes" 1169 ;; 1170 --disable-stack-protector) stack_protector="no" 1171 ;; 1172 --enable-safe-stack) safe_stack="yes" 1173 ;; 1174 --disable-safe-stack) safe_stack="no" 1175 ;; 1176 --enable-cfi) 1177 cfi="true"; 1178 lto="true"; 1179 ;; 1180 --disable-cfi) cfi="false" 1181 ;; 1182 --enable-cfi-debug) cfi_debug="true" 1183 ;; 1184 --disable-cfi-debug) cfi_debug="false" 1185 ;; 1186 --disable-curses) curses="disabled" 1187 ;; 1188 --enable-curses) curses="enabled" 1189 ;; 1190 --disable-iconv) iconv="disabled" 1191 ;; 1192 --enable-iconv) iconv="enabled" 1193 ;; 1194 --disable-curl) curl="disabled" 1195 ;; 1196 --enable-curl) curl="enabled" 1197 ;; 1198 --disable-fdt) fdt="disabled" 1199 ;; 1200 --enable-fdt) fdt="enabled" 1201 ;; 1202 --enable-fdt=git) fdt="internal" 1203 ;; 1204 --enable-fdt=system) fdt="system" 1205 ;; 1206 --disable-linux-aio) linux_aio="no" 1207 ;; 1208 --enable-linux-aio) linux_aio="yes" 1209 ;; 1210 --disable-linux-io-uring) linux_io_uring="no" 1211 ;; 1212 --enable-linux-io-uring) linux_io_uring="yes" 1213 ;; 1214 --disable-attr) attr="disabled" 1215 ;; 1216 --enable-attr) attr="enabled" 1217 ;; 1218 --disable-membarrier) membarrier="no" 1219 ;; 1220 --enable-membarrier) membarrier="yes" 1221 ;; 1222 --disable-blobs) blobs="false" 1223 ;; 1224 --with-pkgversion=*) pkgversion="$optarg" 1225 ;; 1226 --with-coroutine=*) coroutine="$optarg" 1227 ;; 1228 --disable-coroutine-pool) coroutine_pool="no" 1229 ;; 1230 --enable-coroutine-pool) coroutine_pool="yes" 1231 ;; 1232 --enable-debug-stack-usage) debug_stack_usage="yes" 1233 ;; 1234 --enable-crypto-afalg) crypto_afalg="yes" 1235 ;; 1236 --disable-crypto-afalg) crypto_afalg="no" 1237 ;; 1238 --disable-docs) docs="disabled" 1239 ;; 1240 --enable-docs) docs="enabled" 1241 ;; 1242 --disable-vhost-net) vhost_net="no" 1243 ;; 1244 --enable-vhost-net) vhost_net="yes" 1245 ;; 1246 --disable-vhost-crypto) vhost_crypto="no" 1247 ;; 1248 --enable-vhost-crypto) vhost_crypto="yes" 1249 ;; 1250 --disable-vhost-scsi) vhost_scsi="no" 1251 ;; 1252 --enable-vhost-scsi) vhost_scsi="yes" 1253 ;; 1254 --disable-vhost-vsock) vhost_vsock="no" 1255 ;; 1256 --enable-vhost-vsock) vhost_vsock="yes" 1257 ;; 1258 --disable-vhost-user-blk-server) vhost_user_blk_server="disabled" 1259 ;; 1260 --enable-vhost-user-blk-server) vhost_user_blk_server="enabled" 1261 ;; 1262 --disable-vhost-user-fs) vhost_user_fs="no" 1263 ;; 1264 --enable-vhost-user-fs) vhost_user_fs="yes" 1265 ;; 1266 --disable-opengl) opengl="no" 1267 ;; 1268 --enable-opengl) opengl="yes" 1269 ;; 1270 --disable-rbd) rbd="disabled" 1271 ;; 1272 --enable-rbd) rbd="enabled" 1273 ;; 1274 --disable-xfsctl) xfs="no" 1275 ;; 1276 --enable-xfsctl) xfs="yes" 1277 ;; 1278 --disable-smartcard) smartcard="no" 1279 ;; 1280 --enable-smartcard) smartcard="yes" 1281 ;; 1282 --disable-u2f) u2f="disabled" 1283 ;; 1284 --enable-u2f) u2f="enabled" 1285 ;; 1286 --disable-libusb) libusb="no" 1287 ;; 1288 --enable-libusb) libusb="yes" 1289 ;; 1290 --disable-usb-redir) usb_redir="no" 1291 ;; 1292 --enable-usb-redir) usb_redir="yes" 1293 ;; 1294 --disable-zlib-test) 1295 ;; 1296 --disable-lzo) lzo="disabled" 1297 ;; 1298 --enable-lzo) lzo="enabled" 1299 ;; 1300 --disable-snappy) snappy="disabled" 1301 ;; 1302 --enable-snappy) snappy="enabled" 1303 ;; 1304 --disable-bzip2) bzip2="disabled" 1305 ;; 1306 --enable-bzip2) bzip2="enabled" 1307 ;; 1308 --enable-lzfse) lzfse="enabled" 1309 ;; 1310 --disable-lzfse) lzfse="disabled" 1311 ;; 1312 --disable-zstd) zstd="disabled" 1313 ;; 1314 --enable-zstd) zstd="enabled" 1315 ;; 1316 --enable-guest-agent) guest_agent="yes" 1317 ;; 1318 --disable-guest-agent) guest_agent="no" 1319 ;; 1320 --enable-guest-agent-msi) guest_agent_msi="enabled" 1321 ;; 1322 --disable-guest-agent-msi) guest_agent_msi="disabled" 1323 ;; 1324 --with-vss-sdk) vss_win32_sdk="" 1325 ;; 1326 --with-vss-sdk=*) vss_win32_sdk="$optarg" 1327 ;; 1328 --without-vss-sdk) vss_win32_sdk="no" 1329 ;; 1330 --with-win-sdk) win_sdk="" 1331 ;; 1332 --with-win-sdk=*) win_sdk="$optarg" 1333 ;; 1334 --without-win-sdk) win_sdk="no" 1335 ;; 1336 --enable-tools) want_tools="yes" 1337 ;; 1338 --disable-tools) want_tools="no" 1339 ;; 1340 --enable-seccomp) seccomp="enabled" 1341 ;; 1342 --disable-seccomp) seccomp="disabled" 1343 ;; 1344 --disable-glusterfs) glusterfs="disabled" 1345 ;; 1346 --disable-avx2) avx2_opt="no" 1347 ;; 1348 --enable-avx2) avx2_opt="yes" 1349 ;; 1350 --disable-avx512f) avx512f_opt="no" 1351 ;; 1352 --enable-avx512f) avx512f_opt="yes" 1353 ;; 1354 1355 --enable-glusterfs) glusterfs="enabled" 1356 ;; 1357 --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane) 1358 echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2 1359 ;; 1360 --enable-vhdx|--disable-vhdx) 1361 echo "$0: $opt is obsolete, VHDX driver is always built" >&2 1362 ;; 1363 --enable-uuid|--disable-uuid) 1364 echo "$0: $opt is obsolete, UUID support is always built" >&2 1365 ;; 1366 --disable-gtk) gtk="disabled" 1367 ;; 1368 --enable-gtk) gtk="enabled" 1369 ;; 1370 --tls-priority=*) tls_priority="$optarg" 1371 ;; 1372 --disable-gnutls) gnutls="no" 1373 ;; 1374 --enable-gnutls) gnutls="yes" 1375 ;; 1376 --disable-nettle) nettle="no" 1377 ;; 1378 --enable-nettle) nettle="yes" 1379 ;; 1380 --disable-gcrypt) gcrypt="no" 1381 ;; 1382 --enable-gcrypt) gcrypt="yes" 1383 ;; 1384 --disable-auth-pam) auth_pam="no" 1385 ;; 1386 --enable-auth-pam) auth_pam="yes" 1387 ;; 1388 --enable-rdma) rdma="yes" 1389 ;; 1390 --disable-rdma) rdma="no" 1391 ;; 1392 --enable-pvrdma) pvrdma="yes" 1393 ;; 1394 --disable-pvrdma) pvrdma="no" 1395 ;; 1396 --disable-vte) vte="no" 1397 ;; 1398 --enable-vte) vte="yes" 1399 ;; 1400 --disable-virglrenderer) virglrenderer="no" 1401 ;; 1402 --enable-virglrenderer) virglrenderer="yes" 1403 ;; 1404 --disable-tpm) tpm="no" 1405 ;; 1406 --enable-tpm) tpm="yes" 1407 ;; 1408 --disable-libssh) libssh="no" 1409 ;; 1410 --enable-libssh) libssh="yes" 1411 ;; 1412 --disable-live-block-migration) live_block_migration="no" 1413 ;; 1414 --enable-live-block-migration) live_block_migration="yes" 1415 ;; 1416 --disable-numa) numa="no" 1417 ;; 1418 --enable-numa) numa="yes" 1419 ;; 1420 --disable-libxml2) libxml2="no" 1421 ;; 1422 --enable-libxml2) libxml2="yes" 1423 ;; 1424 --disable-tcmalloc) tcmalloc="no" 1425 ;; 1426 --enable-tcmalloc) tcmalloc="yes" 1427 ;; 1428 --disable-jemalloc) jemalloc="no" 1429 ;; 1430 --enable-jemalloc) jemalloc="yes" 1431 ;; 1432 --disable-replication) replication="no" 1433 ;; 1434 --enable-replication) replication="yes" 1435 ;; 1436 --disable-bochs) bochs="no" 1437 ;; 1438 --enable-bochs) bochs="yes" 1439 ;; 1440 --disable-cloop) cloop="no" 1441 ;; 1442 --enable-cloop) cloop="yes" 1443 ;; 1444 --disable-dmg) dmg="no" 1445 ;; 1446 --enable-dmg) dmg="yes" 1447 ;; 1448 --disable-qcow1) qcow1="no" 1449 ;; 1450 --enable-qcow1) qcow1="yes" 1451 ;; 1452 --disable-vdi) vdi="no" 1453 ;; 1454 --enable-vdi) vdi="yes" 1455 ;; 1456 --disable-vvfat) vvfat="no" 1457 ;; 1458 --enable-vvfat) vvfat="yes" 1459 ;; 1460 --disable-qed) qed="no" 1461 ;; 1462 --enable-qed) qed="yes" 1463 ;; 1464 --disable-parallels) parallels="no" 1465 ;; 1466 --enable-parallels) parallels="yes" 1467 ;; 1468 --disable-vhost-user) vhost_user="no" 1469 ;; 1470 --enable-vhost-user) vhost_user="yes" 1471 ;; 1472 --disable-vhost-vdpa) vhost_vdpa="no" 1473 ;; 1474 --enable-vhost-vdpa) vhost_vdpa="yes" 1475 ;; 1476 --disable-vhost-kernel) vhost_kernel="no" 1477 ;; 1478 --enable-vhost-kernel) vhost_kernel="yes" 1479 ;; 1480 --disable-capstone) capstone="disabled" 1481 ;; 1482 --enable-capstone) capstone="enabled" 1483 ;; 1484 --enable-capstone=git) capstone="internal" 1485 ;; 1486 --enable-capstone=system) capstone="system" 1487 ;; 1488 --with-git=*) git="$optarg" 1489 ;; 1490 --enable-git-update) 1491 git_submodules_action="update" 1492 echo "--enable-git-update deprecated, use --with-git-submodules=update" 1493 ;; 1494 --disable-git-update) 1495 git_submodules_action="validate" 1496 echo "--disable-git-update deprecated, use --with-git-submodules=validate" 1497 ;; 1498 --with-git-submodules=*) 1499 git_submodules_action="$optarg" 1500 ;; 1501 --enable-debug-mutex) debug_mutex=yes 1502 ;; 1503 --disable-debug-mutex) debug_mutex=no 1504 ;; 1505 --enable-libpmem) libpmem=yes 1506 ;; 1507 --disable-libpmem) libpmem=no 1508 ;; 1509 --enable-xkbcommon) xkbcommon="enabled" 1510 ;; 1511 --disable-xkbcommon) xkbcommon="disabled" 1512 ;; 1513 --enable-plugins) plugins="yes" 1514 ;; 1515 --disable-plugins) plugins="no" 1516 ;; 1517 --enable-containers) use_containers="yes" 1518 ;; 1519 --disable-containers) use_containers="no" 1520 ;; 1521 --enable-fuzzing) fuzzing=yes 1522 ;; 1523 --disable-fuzzing) fuzzing=no 1524 ;; 1525 --gdb=*) gdb_bin="$optarg" 1526 ;; 1527 --enable-rng-none) rng_none=yes 1528 ;; 1529 --disable-rng-none) rng_none=no 1530 ;; 1531 --enable-keyring) secret_keyring="yes" 1532 ;; 1533 --disable-keyring) secret_keyring="no" 1534 ;; 1535 --enable-libdaxctl) libdaxctl=yes 1536 ;; 1537 --disable-libdaxctl) libdaxctl=no 1538 ;; 1539 --enable-fuse) fuse="enabled" 1540 ;; 1541 --disable-fuse) fuse="disabled" 1542 ;; 1543 --enable-fuse-lseek) fuse_lseek="enabled" 1544 ;; 1545 --disable-fuse-lseek) fuse_lseek="disabled" 1546 ;; 1547 --enable-multiprocess) multiprocess="enabled" 1548 ;; 1549 --disable-multiprocess) multiprocess="disabled" 1550 ;; 1551 --enable-gio) gio=yes 1552 ;; 1553 --disable-gio) gio=no 1554 ;; 1555 --enable-slirp-smbd) slirp_smbd=yes 1556 ;; 1557 --disable-slirp-smbd) slirp_smbd=no 1558 ;; 1559 *) 1560 echo "ERROR: unknown option $opt" 1561 echo "Try '$0 --help' for more information" 1562 exit 1 1563 ;; 1564 esac 1565done 1566 1567case $git_submodules_action in 1568 update|validate) 1569 if test ! -e "$source_path/.git"; then 1570 echo "ERROR: cannot $git_submodules_action git submodules without .git" 1571 exit 1 1572 fi 1573 ;; 1574 ignore) 1575 if ! test -f "$source_path/ui/keycodemapdb/README" 1576 then 1577 echo 1578 echo "ERROR: missing GIT submodules" 1579 echo 1580 if test -e "$source_path/.git"; then 1581 echo "--with-git-submodules=ignore specified but submodules were not" 1582 echo "checked out. Please initialize and update submodules." 1583 else 1584 echo "This is not a GIT checkout but module content appears to" 1585 echo "be missing. Do not use 'git archive' or GitHub download links" 1586 echo "to acquire QEMU source archives. Non-GIT builds are only" 1587 echo "supported with source archives linked from:" 1588 echo 1589 echo " https://www.qemu.org/download/#source" 1590 echo 1591 echo "Developers working with GIT can use scripts/archive-source.sh" 1592 echo "if they need to create valid source archives." 1593 fi 1594 echo 1595 exit 1 1596 fi 1597 ;; 1598 *) 1599 echo "ERROR: invalid --with-git-submodules= value '$git_submodules_action'" 1600 exit 1 1601 ;; 1602esac 1603 1604libdir="${libdir:-$prefix/lib}" 1605libexecdir="${libexecdir:-$prefix/libexec}" 1606includedir="${includedir:-$prefix/include}" 1607 1608if test "$mingw32" = "yes" ; then 1609 bindir="${bindir:-$prefix}" 1610else 1611 bindir="${bindir:-$prefix/bin}" 1612fi 1613mandir="${mandir:-$prefix/share/man}" 1614datadir="${datadir:-$prefix/share}" 1615docdir="${docdir:-$prefix/share/doc}" 1616sysconfdir="${sysconfdir:-$prefix/etc}" 1617local_statedir="${local_statedir:-$prefix/var}" 1618firmwarepath="${firmwarepath:-$datadir/qemu-firmware}" 1619localedir="${localedir:-$datadir/locale}" 1620 1621case "$cpu" in 1622 ppc) 1623 CPU_CFLAGS="-m32" 1624 QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS" 1625 ;; 1626 ppc64) 1627 CPU_CFLAGS="-m64" 1628 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS" 1629 ;; 1630 sparc) 1631 CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc" 1632 QEMU_LDFLAGS="-m32 -mv8plus $QEMU_LDFLAGS" 1633 ;; 1634 sparc64) 1635 CPU_CFLAGS="-m64 -mcpu=ultrasparc" 1636 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS" 1637 ;; 1638 s390) 1639 CPU_CFLAGS="-m31" 1640 QEMU_LDFLAGS="-m31 $QEMU_LDFLAGS" 1641 ;; 1642 s390x) 1643 CPU_CFLAGS="-m64" 1644 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS" 1645 ;; 1646 i386) 1647 CPU_CFLAGS="-m32" 1648 QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS" 1649 ;; 1650 x86_64) 1651 # ??? Only extremely old AMD cpus do not have cmpxchg16b. 1652 # If we truly care, we should simply detect this case at 1653 # runtime and generate the fallback to serial emulation. 1654 CPU_CFLAGS="-m64 -mcx16" 1655 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS" 1656 ;; 1657 x32) 1658 CPU_CFLAGS="-mx32" 1659 QEMU_LDFLAGS="-mx32 $QEMU_LDFLAGS" 1660 ;; 1661 # No special flags required for other host CPUs 1662esac 1663 1664eval "cross_cc_${cpu}=\$cc" 1665cross_cc_vars="$cross_cc_vars cross_cc_${cpu}" 1666QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS" 1667 1668# For user-mode emulation the host arch has to be one we explicitly 1669# support, even if we're using TCI. 1670if [ "$ARCH" = "unknown" ]; then 1671 bsd_user="no" 1672 linux_user="no" 1673fi 1674 1675default_target_list="" 1676deprecated_targets_list=ppc64abi32-linux-user 1677deprecated_features="" 1678mak_wilds="" 1679 1680if [ "$softmmu" = "yes" ]; then 1681 mak_wilds="${mak_wilds} $source_path/default-configs/targets/*-softmmu.mak" 1682fi 1683if [ "$linux_user" = "yes" ]; then 1684 mak_wilds="${mak_wilds} $source_path/default-configs/targets/*-linux-user.mak" 1685fi 1686if [ "$bsd_user" = "yes" ]; then 1687 mak_wilds="${mak_wilds} $source_path/default-configs/targets/*-bsd-user.mak" 1688fi 1689 1690# If the user doesn't explicitly specify a deprecated target we will 1691# skip it. 1692if test -z "$target_list"; then 1693 if test -z "$target_list_exclude"; then 1694 target_list_exclude="$deprecated_targets_list" 1695 else 1696 target_list_exclude="$target_list_exclude,$deprecated_targets_list" 1697 fi 1698fi 1699 1700for config in $mak_wilds; do 1701 target="$(basename "$config" .mak)" 1702 if echo "$target_list_exclude" | grep -vq "$target"; then 1703 default_target_list="${default_target_list} $target" 1704 fi 1705done 1706 1707# Enumerate public trace backends for --help output 1708trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/')) 1709 1710if test x"$show_help" = x"yes" ; then 1711cat << EOF 1712 1713Usage: configure [options] 1714Options: [defaults in brackets after descriptions] 1715 1716Standard options: 1717 --help print this message 1718 --prefix=PREFIX install in PREFIX [$prefix] 1719 --interp-prefix=PREFIX where to find shared libraries, etc. 1720 use %M for cpu name [$interp_prefix] 1721 --target-list=LIST set target list (default: build all non-deprecated) 1722$(echo Available targets: $default_target_list | \ 1723 fold -s -w 53 | sed -e 's/^/ /') 1724$(echo Deprecated targets: $deprecated_targets_list | \ 1725 fold -s -w 53 | sed -e 's/^/ /') 1726 --target-list-exclude=LIST exclude a set of targets from the default target-list 1727 1728Advanced options (experts only): 1729 --cross-prefix=PREFIX use PREFIX for compile tools, PREFIX can be blank [$cross_prefix] 1730 --cc=CC use C compiler CC [$cc] 1731 --iasl=IASL use ACPI compiler IASL [$iasl] 1732 --host-cc=CC use C compiler CC [$host_cc] for code run at 1733 build time 1734 --cxx=CXX use C++ compiler CXX [$cxx] 1735 --objcc=OBJCC use Objective-C compiler OBJCC [$objcc] 1736 --extra-cflags=CFLAGS append extra C compiler flags QEMU_CFLAGS 1737 --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS 1738 --extra-ldflags=LDFLAGS append extra linker flags LDFLAGS 1739 --cross-cc-ARCH=CC use compiler when building ARCH guest test cases 1740 --cross-cc-flags-ARCH= use compiler flags when building ARCH guest tests 1741 --make=MAKE use specified make [$make] 1742 --python=PYTHON use specified python [$python] 1743 --sphinx-build=SPHINX use specified sphinx-build [$sphinx_build] 1744 --meson=MESON use specified meson [$meson] 1745 --ninja=NINJA use specified ninja [$ninja] 1746 --smbd=SMBD use specified smbd [$smbd] 1747 --with-git=GIT use specified git [$git] 1748 --with-git-submodules=update update git submodules (default if .git dir exists) 1749 --with-git-submodules=validate fail if git submodules are not up to date 1750 --with-git-submodules=ignore do not update or check git submodules (default if no .git dir) 1751 --static enable static build [$static] 1752 --mandir=PATH install man pages in PATH 1753 --datadir=PATH install firmware in PATH/$qemu_suffix 1754 --localedir=PATH install translation in PATH/$qemu_suffix 1755 --docdir=PATH install documentation in PATH/$qemu_suffix 1756 --bindir=PATH install binaries in PATH 1757 --libdir=PATH install libraries in PATH 1758 --libexecdir=PATH install helper binaries in PATH 1759 --sysconfdir=PATH install config in PATH/$qemu_suffix 1760 --localstatedir=PATH install local state in PATH (set at runtime on win32) 1761 --firmwarepath=PATH search PATH for firmware files 1762 --efi-aarch64=PATH PATH of efi file to use for aarch64 VMs. 1763 --with-suffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix] 1764 --with-pkgversion=VERS use specified string as sub-version of the package 1765 --without-default-features default all --enable-* options to "disabled" 1766 --without-default-devices do not include any device that is not needed to 1767 start the emulator (only use if you are including 1768 desired devices in default-configs/devices/) 1769 --enable-debug enable common debug build options 1770 --enable-sanitizers enable default sanitizers 1771 --enable-tsan enable thread sanitizer 1772 --disable-strip disable stripping binaries 1773 --disable-werror disable compilation abort on warning 1774 --disable-stack-protector disable compiler-provided stack protection 1775 --audio-drv-list=LIST set audio drivers list: 1776 Available drivers: $audio_possible_drivers 1777 --block-drv-whitelist=L Same as --block-drv-rw-whitelist=L 1778 --block-drv-rw-whitelist=L 1779 set block driver read-write whitelist 1780 (affects only QEMU, not qemu-img) 1781 --block-drv-ro-whitelist=L 1782 set block driver read-only whitelist 1783 (affects only QEMU, not qemu-img) 1784 --enable-trace-backends=B Set trace backend 1785 Available backends: $trace_backend_list 1786 --with-trace-file=NAME Full PATH,NAME of file to store traces 1787 Default:trace-<pid> 1788 --disable-slirp disable SLIRP userspace network connectivity 1789 --enable-tcg-interpreter enable TCI (TCG with bytecode interpreter, experimental and slow) 1790 --enable-malloc-trim enable libc malloc_trim() for memory optimization 1791 --oss-lib path to OSS library 1792 --cpu=CPU Build for host CPU [$cpu] 1793 --with-coroutine=BACKEND coroutine backend. Supported options: 1794 ucontext, sigaltstack, windows 1795 --enable-gcov enable test coverage analysis with gcov 1796 --disable-blobs disable installing provided firmware blobs 1797 --with-vss-sdk=SDK-path enable Windows VSS support in QEMU Guest Agent 1798 --with-win-sdk=SDK-path path to Windows Platform SDK (to build VSS .tlb) 1799 --tls-priority default TLS protocol/cipher priority string 1800 --enable-gprof QEMU profiling with gprof 1801 --enable-profiler profiler support 1802 --enable-debug-stack-usage 1803 track the maximum stack usage of stacks created by qemu_alloc_stack 1804 --enable-plugins 1805 enable plugins via shared library loading 1806 --disable-containers don't use containers for cross-building 1807 --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin] 1808 1809Optional features, enabled with --enable-FEATURE and 1810disabled with --disable-FEATURE, default is enabled if available 1811(unless built with --without-default-features): 1812 1813 system all system emulation targets 1814 user supported user emulation targets 1815 linux-user all linux usermode emulation targets 1816 bsd-user all BSD usermode emulation targets 1817 docs build documentation 1818 guest-agent build the QEMU Guest Agent 1819 guest-agent-msi build guest agent Windows MSI installation package 1820 pie Position Independent Executables 1821 modules modules support (non-Windows) 1822 module-upgrades try to load modules from alternate paths for upgrades 1823 debug-tcg TCG debugging (default is disabled) 1824 debug-info debugging information 1825 lto Enable Link-Time Optimization. 1826 sparse sparse checker 1827 safe-stack SafeStack Stack Smash Protection. Depends on 1828 clang/llvm >= 3.7 and requires coroutine backend ucontext. 1829 cfi Enable Control-Flow Integrity for indirect function calls. 1830 In case of a cfi violation, QEMU is terminated with SIGILL 1831 Depends on lto and is incompatible with modules 1832 Automatically enables Link-Time Optimization (lto) 1833 cfi-debug In case of a cfi violation, a message containing the line that 1834 triggered the error is written to stderr. After the error, 1835 QEMU is still terminated with SIGILL 1836 gnutls GNUTLS cryptography support 1837 nettle nettle cryptography support 1838 gcrypt libgcrypt cryptography support 1839 auth-pam PAM access control 1840 sdl SDL UI 1841 sdl-image SDL Image support for icons 1842 gtk gtk UI 1843 vte vte support for the gtk UI 1844 curses curses UI 1845 iconv font glyph conversion support 1846 vnc VNC UI support 1847 vnc-sasl SASL encryption for VNC server 1848 vnc-jpeg JPEG lossy compression for VNC server 1849 vnc-png PNG compression for VNC server 1850 cocoa Cocoa UI (Mac OS X only) 1851 virtfs VirtFS 1852 virtiofsd build virtiofs daemon (virtiofsd) 1853 libudev Use libudev to enumerate host devices 1854 mpath Multipath persistent reservation passthrough 1855 xen xen backend driver support 1856 xen-pci-passthrough PCI passthrough support for Xen 1857 brlapi BrlAPI (Braile) 1858 curl curl connectivity 1859 membarrier membarrier system call (for Linux 4.14+ or Windows) 1860 fdt fdt device tree 1861 kvm KVM acceleration support 1862 hax HAX acceleration support 1863 hvf Hypervisor.framework acceleration support 1864 nvmm NVMM acceleration support 1865 whpx Windows Hypervisor Platform acceleration support 1866 rdma Enable RDMA-based migration 1867 pvrdma Enable PVRDMA support 1868 vde support for vde network 1869 netmap support for netmap network 1870 linux-aio Linux AIO support 1871 linux-io-uring Linux io_uring support 1872 cap-ng libcap-ng support 1873 attr attr and xattr support 1874 vhost-net vhost-net kernel acceleration support 1875 vhost-vsock virtio sockets device support 1876 vhost-scsi vhost-scsi kernel target support 1877 vhost-crypto vhost-user-crypto backend support 1878 vhost-kernel vhost kernel backend support 1879 vhost-user vhost-user backend support 1880 vhost-user-blk-server vhost-user-blk server support 1881 vhost-vdpa vhost-vdpa kernel backend support 1882 spice spice 1883 spice-protocol spice-protocol 1884 rbd rados block device (rbd) 1885 libiscsi iscsi support 1886 libnfs nfs support 1887 smartcard smartcard support (libcacard) 1888 u2f U2F support (u2f-emu) 1889 libusb libusb (for usb passthrough) 1890 live-block-migration Block migration in the main migration stream 1891 usb-redir usb network redirection support 1892 lzo support of lzo compression library 1893 snappy support of snappy compression library 1894 bzip2 support of bzip2 compression library 1895 (for reading bzip2-compressed dmg images) 1896 lzfse support of lzfse compression library 1897 (for reading lzfse-compressed dmg images) 1898 zstd support for zstd compression library 1899 (for migration compression and qcow2 cluster compression) 1900 seccomp seccomp support 1901 coroutine-pool coroutine freelist (better performance) 1902 glusterfs GlusterFS backend 1903 tpm TPM support 1904 libssh ssh block device support 1905 numa libnuma support 1906 libxml2 for Parallels image format 1907 tcmalloc tcmalloc support 1908 jemalloc jemalloc support 1909 avx2 AVX2 optimization support 1910 avx512f AVX512F optimization support 1911 replication replication support 1912 opengl opengl support 1913 virglrenderer virgl rendering support 1914 xfsctl xfsctl support 1915 qom-cast-debug cast debugging support 1916 tools build qemu-io, qemu-nbd and qemu-img tools 1917 bochs bochs image format support 1918 cloop cloop image format support 1919 dmg dmg image format support 1920 qcow1 qcow v1 image format support 1921 vdi vdi image format support 1922 vvfat vvfat image format support 1923 qed qed image format support 1924 parallels parallels image format support 1925 crypto-afalg Linux AF_ALG crypto backend driver 1926 capstone capstone disassembler support 1927 debug-mutex mutex debugging support 1928 libpmem libpmem support 1929 xkbcommon xkbcommon support 1930 rng-none dummy RNG, avoid using /dev/(u)random and getrandom() 1931 libdaxctl libdaxctl support 1932 fuse FUSE block device export 1933 fuse-lseek SEEK_HOLE/SEEK_DATA support for FUSE exports 1934 multiprocess Out of process device emulation support 1935 gio libgio support 1936 slirp-smbd use smbd (at path --smbd=*) in slirp networking 1937 1938NOTE: The object files are built at the place where configure is launched 1939EOF 1940exit 0 1941fi 1942 1943# Remove old dependency files to make sure that they get properly regenerated 1944rm -f */config-devices.mak.d 1945 1946if test -z "$python" 1947then 1948 error_exit "Python not found. Use --python=/path/to/python" 1949fi 1950if ! has "$make" 1951then 1952 error_exit "GNU make ($make) not found" 1953fi 1954 1955# Note that if the Python conditional here evaluates True we will exit 1956# with status 1 which is a shell 'false' value. 1957if ! $python -c 'import sys; sys.exit(sys.version_info < (3,6))'; then 1958 error_exit "Cannot use '$python', Python >= 3.6 is required." \ 1959 "Use --python=/path/to/python to specify a supported Python." 1960fi 1961 1962# Preserve python version since some functionality is dependent on it 1963python_version=$($python -c 'import sys; print("%d.%d.%d" % (sys.version_info[0], sys.version_info[1], sys.version_info[2]))' 2>/dev/null) 1964 1965# Suppress writing compiled files 1966python="$python -B" 1967 1968if test -z "$meson"; then 1969 if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.55.3; then 1970 meson=meson 1971 elif test $git_submodules_action != 'ignore' ; then 1972 meson=git 1973 elif test -e "${source_path}/meson/meson.py" ; then 1974 meson=internal 1975 else 1976 if test "$explicit_python" = yes; then 1977 error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found." 1978 else 1979 error_exit "Meson not found. Use --meson=/path/to/meson" 1980 fi 1981 fi 1982else 1983 # Meson uses its own Python interpreter to invoke other Python scripts, 1984 # but the user wants to use the one they specified with --python. 1985 # 1986 # We do not want to override the distro Python interpreter (and sometimes 1987 # cannot: for example in Homebrew /usr/bin/meson is a bash script), so 1988 # just require --meson=git|internal together with --python. 1989 if test "$explicit_python" = yes; then 1990 case "$meson" in 1991 git | internal) ;; 1992 *) error_exit "--python requires using QEMU's embedded Meson distribution." ;; 1993 esac 1994 fi 1995fi 1996 1997if test "$meson" = git; then 1998 git_submodules="${git_submodules} meson" 1999fi 2000 2001case "$meson" in 2002 git | internal) 2003 meson="$python ${source_path}/meson/meson.py" 2004 ;; 2005 *) meson=$(command -v "$meson") ;; 2006esac 2007 2008# Probe for ninja 2009 2010if test -z "$ninja"; then 2011 for c in ninja ninja-build samu; do 2012 if has $c; then 2013 ninja=$(command -v "$c") 2014 break 2015 fi 2016 done 2017 if test -z "$ninja"; then 2018 error_exit "Cannot find Ninja" 2019 fi 2020fi 2021 2022# Check that the C compiler works. Doing this here before testing 2023# the host CPU ensures that we had a valid CC to autodetect the 2024# $cpu var (and we should bail right here if that's not the case). 2025# It also allows the help message to be printed without a CC. 2026write_c_skeleton; 2027if compile_object ; then 2028 : C compiler works ok 2029else 2030 error_exit "\"$cc\" either does not exist or does not work" 2031fi 2032if ! compile_prog ; then 2033 error_exit "\"$cc\" cannot build an executable (is your linker broken?)" 2034fi 2035 2036# Consult white-list to determine whether to enable werror 2037# by default. Only enable by default for git builds 2038if test -z "$werror" ; then 2039 if test "$git_submodules_action" != "ignore" && \ 2040 { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then 2041 werror="yes" 2042 else 2043 werror="no" 2044 fi 2045fi 2046 2047if test "$targetos" = "bogus"; then 2048 # Now that we know that we're not printing the help and that 2049 # the compiler works (so the results of the check_defines we used 2050 # to identify the OS are reliable), if we didn't recognize the 2051 # host OS we should stop now. 2052 error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')" 2053fi 2054 2055# Check whether the compiler matches our minimum requirements: 2056cat > $TMPC << EOF 2057#if defined(__clang_major__) && defined(__clang_minor__) 2058# ifdef __apple_build_version__ 2059# if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0) 2060# error You need at least XCode Clang v10.0 to compile QEMU 2061# endif 2062# else 2063# if __clang_major__ < 6 || (__clang_major__ == 6 && __clang_minor__ < 0) 2064# error You need at least Clang v6.0 to compile QEMU 2065# endif 2066# endif 2067#elif defined(__GNUC__) && defined(__GNUC_MINOR__) 2068# if __GNUC__ < 7 || (__GNUC__ == 7 && __GNUC_MINOR__ < 5) 2069# error You need at least GCC v7.5.0 to compile QEMU 2070# endif 2071#else 2072# error You either need GCC or Clang to compiler QEMU 2073#endif 2074int main (void) { return 0; } 2075EOF 2076if ! compile_prog "" "" ; then 2077 error_exit "You need at least GCC v7.5 or Clang v6.0 (or XCode Clang v10.0)" 2078fi 2079 2080# Accumulate -Wfoo and -Wno-bar separately. 2081# We will list all of the enable flags first, and the disable flags second. 2082# Note that we do not add -Werror, because that would enable it for all 2083# configure tests. If a configure test failed due to -Werror this would 2084# just silently disable some features, so it's too error prone. 2085 2086warn_flags= 2087add_to warn_flags -Wold-style-declaration 2088add_to warn_flags -Wold-style-definition 2089add_to warn_flags -Wtype-limits 2090add_to warn_flags -Wformat-security 2091add_to warn_flags -Wformat-y2k 2092add_to warn_flags -Winit-self 2093add_to warn_flags -Wignored-qualifiers 2094add_to warn_flags -Wempty-body 2095add_to warn_flags -Wnested-externs 2096add_to warn_flags -Wendif-labels 2097add_to warn_flags -Wexpansion-to-defined 2098add_to warn_flags -Wimplicit-fallthrough=2 2099 2100nowarn_flags= 2101add_to nowarn_flags -Wno-initializer-overrides 2102add_to nowarn_flags -Wno-missing-include-dirs 2103add_to nowarn_flags -Wno-shift-negative-value 2104add_to nowarn_flags -Wno-string-plus-int 2105add_to nowarn_flags -Wno-typedef-redefinition 2106add_to nowarn_flags -Wno-tautological-type-limit-compare 2107add_to nowarn_flags -Wno-psabi 2108 2109gcc_flags="$warn_flags $nowarn_flags" 2110 2111cc_has_warning_flag() { 2112 write_c_skeleton; 2113 2114 # Use the positive sense of the flag when testing for -Wno-wombat 2115 # support (gcc will happily accept the -Wno- form of unknown 2116 # warning options). 2117 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')" 2118 compile_prog "-Werror $optflag" "" 2119} 2120 2121for flag in $gcc_flags; do 2122 if cc_has_warning_flag $flag ; then 2123 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 2124 fi 2125done 2126 2127if test "$stack_protector" != "no"; then 2128 cat > $TMPC << EOF 2129int main(int argc, char *argv[]) 2130{ 2131 char arr[64], *p = arr, *c = argv[0]; 2132 while (*c) { 2133 *p++ = *c++; 2134 } 2135 return 0; 2136} 2137EOF 2138 gcc_flags="-fstack-protector-strong -fstack-protector-all" 2139 sp_on=0 2140 for flag in $gcc_flags; do 2141 # We need to check both a compile and a link, since some compiler 2142 # setups fail only on a .c->.o compile and some only at link time 2143 if compile_object "-Werror $flag" && 2144 compile_prog "-Werror $flag" ""; then 2145 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 2146 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 2147 sp_on=1 2148 break 2149 fi 2150 done 2151 if test "$stack_protector" = yes; then 2152 if test $sp_on = 0; then 2153 error_exit "Stack protector not supported" 2154 fi 2155 fi 2156fi 2157 2158# Disable -Wmissing-braces on older compilers that warn even for 2159# the "universal" C zero initializer {0}. 2160cat > $TMPC << EOF 2161struct { 2162 int a[2]; 2163} x = {0}; 2164EOF 2165if compile_object "-Werror" "" ; then 2166 : 2167else 2168 QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces" 2169fi 2170 2171# Our module code doesn't support Windows 2172if test "$modules" = "yes" && test "$mingw32" = "yes" ; then 2173 error_exit "Modules are not available for Windows" 2174fi 2175 2176# module_upgrades is only reasonable if modules are enabled 2177if test "$modules" = "no" && test "$module_upgrades" = "yes" ; then 2178 error_exit "Can't enable module-upgrades as Modules are not enabled" 2179fi 2180 2181# Static linking is not possible with modules or PIE 2182if test "$static" = "yes" ; then 2183 if test "$modules" = "yes" ; then 2184 error_exit "static and modules are mutually incompatible" 2185 fi 2186fi 2187 2188# Unconditional check for compiler __thread support 2189 cat > $TMPC << EOF 2190static __thread int tls_var; 2191int main(void) { return tls_var; } 2192EOF 2193 2194if ! compile_prog "-Werror" "" ; then 2195 error_exit "Your compiler does not support the __thread specifier for " \ 2196 "Thread-Local Storage (TLS). Please upgrade to a version that does." 2197fi 2198 2199cat > $TMPC << EOF 2200 2201#ifdef __linux__ 2202# define THREAD __thread 2203#else 2204# define THREAD 2205#endif 2206static THREAD int tls_var; 2207int main(void) { return tls_var; } 2208EOF 2209 2210# Check we support --no-pie first; we will need this for building ROMs. 2211if compile_prog "-Werror -fno-pie" "-no-pie"; then 2212 CFLAGS_NOPIE="-fno-pie" 2213fi 2214 2215if test "$static" = "yes"; then 2216 if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then 2217 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" 2218 QEMU_LDFLAGS="-static-pie $QEMU_LDFLAGS" 2219 pie="yes" 2220 elif test "$pie" = "yes"; then 2221 error_exit "-static-pie not available due to missing toolchain support" 2222 else 2223 QEMU_LDFLAGS="-static $QEMU_LDFLAGS" 2224 pie="no" 2225 fi 2226elif test "$pie" = "no"; then 2227 CONFIGURE_CFLAGS="$CFLAGS_NOPIE $CONFIGURE_CFLAGS" 2228elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then 2229 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" 2230 CONFIGURE_LDFLAGS="-pie $CONFIGURE_LDFLAGS" 2231 pie="yes" 2232elif test "$pie" = "yes"; then 2233 error_exit "PIE not available due to missing toolchain support" 2234else 2235 echo "Disabling PIE due to missing toolchain support" 2236 pie="no" 2237fi 2238 2239# Detect support for PT_GNU_RELRO + DT_BIND_NOW. 2240# The combination is known as "full relro", because .got.plt is read-only too. 2241if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then 2242 QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS" 2243fi 2244 2245########################################## 2246# __sync_fetch_and_and requires at least -march=i486. Many toolchains 2247# use i686 as default anyway, but for those that don't, an explicit 2248# specification is necessary 2249 2250if test "$cpu" = "i386"; then 2251 cat > $TMPC << EOF 2252static int sfaa(int *ptr) 2253{ 2254 return __sync_fetch_and_and(ptr, 0); 2255} 2256 2257int main(void) 2258{ 2259 int val = 42; 2260 val = __sync_val_compare_and_swap(&val, 0, 1); 2261 sfaa(&val); 2262 return val; 2263} 2264EOF 2265 if ! compile_prog "" "" ; then 2266 QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS" 2267 fi 2268fi 2269 2270######################################### 2271# Solaris specific configure tool chain decisions 2272 2273if test "$solaris" = "yes" ; then 2274 if has ar; then 2275 : 2276 else 2277 if test -f /usr/ccs/bin/ar ; then 2278 error_exit "No path includes ar" \ 2279 "Add /usr/ccs/bin to your path and rerun configure" 2280 fi 2281 error_exit "No path includes ar" 2282 fi 2283fi 2284 2285if test "$tcg" = "enabled"; then 2286 git_submodules="$git_submodules tests/fp/berkeley-testfloat-3" 2287 git_submodules="$git_submodules tests/fp/berkeley-softfloat-3" 2288fi 2289 2290if test -z "${target_list+xxx}" ; then 2291 default_targets=yes 2292 for target in $default_target_list; do 2293 target_list="$target_list $target" 2294 done 2295 target_list="${target_list# }" 2296else 2297 default_targets=no 2298 target_list=$(echo "$target_list" | sed -e 's/,/ /g') 2299 for target in $target_list; do 2300 # Check that we recognised the target name; this allows a more 2301 # friendly error message than if we let it fall through. 2302 case " $default_target_list " in 2303 *" $target "*) 2304 ;; 2305 *) 2306 error_exit "Unknown target name '$target'" 2307 ;; 2308 esac 2309 done 2310fi 2311 2312for target in $target_list; do 2313 # if a deprecated target is enabled we note it here 2314 if echo "$deprecated_targets_list" | grep -q "$target"; then 2315 add_to deprecated_features $target 2316 fi 2317done 2318 2319# see if system emulation was really requested 2320case " $target_list " in 2321 *"-softmmu "*) softmmu=yes 2322 ;; 2323 *) softmmu=no 2324 ;; 2325esac 2326 2327feature_not_found() { 2328 feature=$1 2329 remedy=$2 2330 2331 error_exit "User requested feature $feature" \ 2332 "configure was not able to find it." \ 2333 "$remedy" 2334} 2335 2336# --- 2337# big/little endian test 2338cat > $TMPC << EOF 2339short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, }; 2340short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, }; 2341extern int foo(short *, short *); 2342int main(int argc, char *argv[]) { 2343 return foo(big_endian, little_endian); 2344} 2345EOF 2346 2347if compile_object ; then 2348 if strings -a $TMPO | grep -q BiGeNdIaN ; then 2349 bigendian="yes" 2350 elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then 2351 bigendian="no" 2352 else 2353 echo big/little test failed 2354 fi 2355else 2356 echo big/little test failed 2357fi 2358 2359########################################## 2360# system tools 2361if test -z "$want_tools"; then 2362 if test "$softmmu" = "no"; then 2363 want_tools=no 2364 else 2365 want_tools=yes 2366 fi 2367fi 2368 2369########################################## 2370# Disable features only meaningful for system-mode emulation 2371if test "$softmmu" = "no"; then 2372 audio_drv_list="" 2373fi 2374 2375########################################## 2376# Some versions of Mac OS X incorrectly define SIZE_MAX 2377cat > $TMPC << EOF 2378#include <stdint.h> 2379#include <stdio.h> 2380int main(int argc, char *argv[]) { 2381 return printf("%zu", SIZE_MAX); 2382} 2383EOF 2384have_broken_size_max=no 2385if ! compile_object -Werror ; then 2386 have_broken_size_max=yes 2387fi 2388 2389########################################## 2390# L2TPV3 probe 2391 2392cat > $TMPC <<EOF 2393#include <sys/socket.h> 2394#include <linux/ip.h> 2395int main(void) { return sizeof(struct mmsghdr); } 2396EOF 2397if compile_prog "" "" ; then 2398 l2tpv3=yes 2399else 2400 l2tpv3=no 2401fi 2402 2403cat > $TMPC <<EOF 2404#include <sys/mman.h> 2405int main(int argc, char *argv[]) { 2406 return mlockall(MCL_FUTURE); 2407} 2408EOF 2409if compile_prog "" "" ; then 2410 have_mlockall=yes 2411else 2412 have_mlockall=no 2413fi 2414 2415######################################### 2416# vhost interdependencies and host support 2417 2418# vhost backends 2419if test "$vhost_user" = "yes" && test "$linux" != "yes"; then 2420 error_exit "vhost-user is only available on Linux" 2421fi 2422test "$vhost_vdpa" = "" && vhost_vdpa=$linux 2423if test "$vhost_vdpa" = "yes" && test "$linux" != "yes"; then 2424 error_exit "vhost-vdpa is only available on Linux" 2425fi 2426test "$vhost_kernel" = "" && vhost_kernel=$linux 2427if test "$vhost_kernel" = "yes" && test "$linux" != "yes"; then 2428 error_exit "vhost-kernel is only available on Linux" 2429fi 2430 2431# vhost-kernel devices 2432test "$vhost_scsi" = "" && vhost_scsi=$vhost_kernel 2433if test "$vhost_scsi" = "yes" && test "$vhost_kernel" != "yes"; then 2434 error_exit "--enable-vhost-scsi requires --enable-vhost-kernel" 2435fi 2436test "$vhost_vsock" = "" && vhost_vsock=$vhost_kernel 2437if test "$vhost_vsock" = "yes" && test "$vhost_kernel" != "yes"; then 2438 error_exit "--enable-vhost-vsock requires --enable-vhost-kernel" 2439fi 2440 2441# vhost-user backends 2442test "$vhost_net_user" = "" && vhost_net_user=$vhost_user 2443if test "$vhost_net_user" = "yes" && test "$vhost_user" = "no"; then 2444 error_exit "--enable-vhost-net-user requires --enable-vhost-user" 2445fi 2446test "$vhost_crypto" = "" && vhost_crypto=$vhost_user 2447if test "$vhost_crypto" = "yes" && test "$vhost_user" = "no"; then 2448 error_exit "--enable-vhost-crypto requires --enable-vhost-user" 2449fi 2450test "$vhost_user_fs" = "" && vhost_user_fs=$vhost_user 2451if test "$vhost_user_fs" = "yes" && test "$vhost_user" = "no"; then 2452 error_exit "--enable-vhost-user-fs requires --enable-vhost-user" 2453fi 2454#vhost-vdpa backends 2455test "$vhost_net_vdpa" = "" && vhost_net_vdpa=$vhost_vdpa 2456if test "$vhost_net_vdpa" = "yes" && test "$vhost_vdpa" = "no"; then 2457 error_exit "--enable-vhost-net-vdpa requires --enable-vhost-vdpa" 2458fi 2459 2460# OR the vhost-kernel, vhost-vdpa and vhost-user values for simplicity 2461if test "$vhost_net" = ""; then 2462 test "$vhost_net_user" = "yes" && vhost_net=yes 2463 test "$vhost_net_vdpa" = "yes" && vhost_net=yes 2464 test "$vhost_kernel" = "yes" && vhost_net=yes 2465fi 2466 2467########################################## 2468# pkg-config probe 2469 2470if ! has "$pkg_config_exe"; then 2471 error_exit "pkg-config binary '$pkg_config_exe' not found" 2472fi 2473 2474########################################## 2475# NPTL probe 2476 2477if test "$linux_user" = "yes"; then 2478 cat > $TMPC <<EOF 2479#include <sched.h> 2480#include <linux/futex.h> 2481int main(void) { 2482#if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT) 2483#error bork 2484#endif 2485 return 0; 2486} 2487EOF 2488 if ! compile_object ; then 2489 feature_not_found "nptl" "Install glibc and linux kernel headers." 2490 fi 2491fi 2492 2493########################################## 2494# xen probe 2495 2496if test "$xen" != "disabled" ; then 2497 # Check whether Xen library path is specified via --extra-ldflags to avoid 2498 # overriding this setting with pkg-config output. If not, try pkg-config 2499 # to obtain all needed flags. 2500 2501 if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \ 2502 $pkg_config --exists xencontrol ; then 2503 xen_ctrl_version="$(printf '%d%02d%02d' \ 2504 $($pkg_config --modversion xencontrol | sed 's/\./ /g') )" 2505 xen=enabled 2506 xen_pc="xencontrol xenstore xenforeignmemory xengnttab" 2507 xen_pc="$xen_pc xenevtchn xendevicemodel" 2508 if $pkg_config --exists xentoolcore; then 2509 xen_pc="$xen_pc xentoolcore" 2510 fi 2511 xen_cflags="$($pkg_config --cflags $xen_pc)" 2512 xen_libs="$($pkg_config --libs $xen_pc)" 2513 else 2514 2515 xen_libs="-lxenstore -lxenctrl" 2516 xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn" 2517 2518 # First we test whether Xen headers and libraries are available. 2519 # If no, we are done and there is no Xen support. 2520 # If yes, more tests are run to detect the Xen version. 2521 2522 # Xen (any) 2523 cat > $TMPC <<EOF 2524#include <xenctrl.h> 2525int main(void) { 2526 return 0; 2527} 2528EOF 2529 if ! compile_prog "" "$xen_libs" ; then 2530 # Xen not found 2531 if test "$xen" = "enabled" ; then 2532 feature_not_found "xen" "Install xen devel" 2533 fi 2534 xen=disabled 2535 2536 # Xen unstable 2537 elif 2538 cat > $TMPC <<EOF && 2539#undef XC_WANT_COMPAT_DEVICEMODEL_API 2540#define __XEN_TOOLS__ 2541#include <xendevicemodel.h> 2542#include <xenforeignmemory.h> 2543int main(void) { 2544 xendevicemodel_handle *xd; 2545 xenforeignmemory_handle *xfmem; 2546 2547 xd = xendevicemodel_open(0, 0); 2548 xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0); 2549 2550 xfmem = xenforeignmemory_open(0, 0); 2551 xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0); 2552 2553 return 0; 2554} 2555EOF 2556 compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore" 2557 then 2558 xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore" 2559 xen_ctrl_version=41100 2560 xen=enabled 2561 elif 2562 cat > $TMPC <<EOF && 2563#undef XC_WANT_COMPAT_MAP_FOREIGN_API 2564#include <xenforeignmemory.h> 2565#include <xentoolcore.h> 2566int main(void) { 2567 xenforeignmemory_handle *xfmem; 2568 2569 xfmem = xenforeignmemory_open(0, 0); 2570 xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0); 2571 xentoolcore_restrict_all(0); 2572 2573 return 0; 2574} 2575EOF 2576 compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore" 2577 then 2578 xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore" 2579 xen_ctrl_version=41000 2580 xen=enabled 2581 elif 2582 cat > $TMPC <<EOF && 2583#undef XC_WANT_COMPAT_DEVICEMODEL_API 2584#define __XEN_TOOLS__ 2585#include <xendevicemodel.h> 2586int main(void) { 2587 xendevicemodel_handle *xd; 2588 2589 xd = xendevicemodel_open(0, 0); 2590 xendevicemodel_close(xd); 2591 2592 return 0; 2593} 2594EOF 2595 compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs" 2596 then 2597 xen_stable_libs="-lxendevicemodel $xen_stable_libs" 2598 xen_ctrl_version=40900 2599 xen=enabled 2600 elif 2601 cat > $TMPC <<EOF && 2602/* 2603 * If we have stable libs the we don't want the libxc compat 2604 * layers, regardless of what CFLAGS we may have been given. 2605 * 2606 * Also, check if xengnttab_grant_copy_segment_t is defined and 2607 * grant copy operation is implemented. 2608 */ 2609#undef XC_WANT_COMPAT_EVTCHN_API 2610#undef XC_WANT_COMPAT_GNTTAB_API 2611#undef XC_WANT_COMPAT_MAP_FOREIGN_API 2612#include <xenctrl.h> 2613#include <xenstore.h> 2614#include <xenevtchn.h> 2615#include <xengnttab.h> 2616#include <xenforeignmemory.h> 2617#include <stdint.h> 2618#include <xen/hvm/hvm_info_table.h> 2619#if !defined(HVM_MAX_VCPUS) 2620# error HVM_MAX_VCPUS not defined 2621#endif 2622int main(void) { 2623 xc_interface *xc = NULL; 2624 xenforeignmemory_handle *xfmem; 2625 xenevtchn_handle *xe; 2626 xengnttab_handle *xg; 2627 xengnttab_grant_copy_segment_t* seg = NULL; 2628 2629 xs_daemon_open(); 2630 2631 xc = xc_interface_open(0, 0, 0); 2632 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); 2633 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); 2634 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); 2635 xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL); 2636 2637 xfmem = xenforeignmemory_open(0, 0); 2638 xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0); 2639 2640 xe = xenevtchn_open(0, 0); 2641 xenevtchn_fd(xe); 2642 2643 xg = xengnttab_open(0, 0); 2644 xengnttab_grant_copy(xg, 0, seg); 2645 2646 return 0; 2647} 2648EOF 2649 compile_prog "" "$xen_libs $xen_stable_libs" 2650 then 2651 xen_ctrl_version=40800 2652 xen=enabled 2653 elif 2654 cat > $TMPC <<EOF && 2655/* 2656 * If we have stable libs the we don't want the libxc compat 2657 * layers, regardless of what CFLAGS we may have been given. 2658 */ 2659#undef XC_WANT_COMPAT_EVTCHN_API 2660#undef XC_WANT_COMPAT_GNTTAB_API 2661#undef XC_WANT_COMPAT_MAP_FOREIGN_API 2662#include <xenctrl.h> 2663#include <xenstore.h> 2664#include <xenevtchn.h> 2665#include <xengnttab.h> 2666#include <xenforeignmemory.h> 2667#include <stdint.h> 2668#include <xen/hvm/hvm_info_table.h> 2669#if !defined(HVM_MAX_VCPUS) 2670# error HVM_MAX_VCPUS not defined 2671#endif 2672int main(void) { 2673 xc_interface *xc = NULL; 2674 xenforeignmemory_handle *xfmem; 2675 xenevtchn_handle *xe; 2676 xengnttab_handle *xg; 2677 2678 xs_daemon_open(); 2679 2680 xc = xc_interface_open(0, 0, 0); 2681 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); 2682 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); 2683 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); 2684 xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL); 2685 2686 xfmem = xenforeignmemory_open(0, 0); 2687 xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0); 2688 2689 xe = xenevtchn_open(0, 0); 2690 xenevtchn_fd(xe); 2691 2692 xg = xengnttab_open(0, 0); 2693 xengnttab_map_grant_ref(xg, 0, 0, 0); 2694 2695 return 0; 2696} 2697EOF 2698 compile_prog "" "$xen_libs $xen_stable_libs" 2699 then 2700 xen_ctrl_version=40701 2701 xen=enabled 2702 2703 # Xen 4.6 2704 elif 2705 cat > $TMPC <<EOF && 2706#include <xenctrl.h> 2707#include <xenstore.h> 2708#include <stdint.h> 2709#include <xen/hvm/hvm_info_table.h> 2710#if !defined(HVM_MAX_VCPUS) 2711# error HVM_MAX_VCPUS not defined 2712#endif 2713int main(void) { 2714 xc_interface *xc; 2715 xs_daemon_open(); 2716 xc = xc_interface_open(0, 0, 0); 2717 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); 2718 xc_gnttab_open(NULL, 0); 2719 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); 2720 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); 2721 xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL); 2722 xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0); 2723 return 0; 2724} 2725EOF 2726 compile_prog "" "$xen_libs" 2727 then 2728 xen_ctrl_version=40600 2729 xen=enabled 2730 2731 # Xen 4.5 2732 elif 2733 cat > $TMPC <<EOF && 2734#include <xenctrl.h> 2735#include <xenstore.h> 2736#include <stdint.h> 2737#include <xen/hvm/hvm_info_table.h> 2738#if !defined(HVM_MAX_VCPUS) 2739# error HVM_MAX_VCPUS not defined 2740#endif 2741int main(void) { 2742 xc_interface *xc; 2743 xs_daemon_open(); 2744 xc = xc_interface_open(0, 0, 0); 2745 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); 2746 xc_gnttab_open(NULL, 0); 2747 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); 2748 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); 2749 xc_hvm_create_ioreq_server(xc, 0, 0, NULL); 2750 return 0; 2751} 2752EOF 2753 compile_prog "" "$xen_libs" 2754 then 2755 xen_ctrl_version=40500 2756 xen=enabled 2757 2758 elif 2759 cat > $TMPC <<EOF && 2760#include <xenctrl.h> 2761#include <xenstore.h> 2762#include <stdint.h> 2763#include <xen/hvm/hvm_info_table.h> 2764#if !defined(HVM_MAX_VCPUS) 2765# error HVM_MAX_VCPUS not defined 2766#endif 2767int main(void) { 2768 xc_interface *xc; 2769 xs_daemon_open(); 2770 xc = xc_interface_open(0, 0, 0); 2771 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); 2772 xc_gnttab_open(NULL, 0); 2773 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); 2774 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); 2775 return 0; 2776} 2777EOF 2778 compile_prog "" "$xen_libs" 2779 then 2780 xen_ctrl_version=40200 2781 xen=enabled 2782 2783 else 2784 if test "$xen" = "enabled" ; then 2785 feature_not_found "xen (unsupported version)" \ 2786 "Install a supported xen (xen 4.2 or newer)" 2787 fi 2788 xen=disabled 2789 fi 2790 2791 if test "$xen" = enabled; then 2792 if test $xen_ctrl_version -ge 40701 ; then 2793 xen_libs="$xen_libs $xen_stable_libs " 2794 fi 2795 fi 2796 fi 2797fi 2798 2799########################################## 2800# GNUTLS probe 2801 2802if test "$gnutls" != "no"; then 2803 pass="no" 2804 if $pkg_config --exists "gnutls >= 3.5.18"; then 2805 gnutls_cflags=$($pkg_config --cflags gnutls) 2806 gnutls_libs=$($pkg_config --libs gnutls) 2807 # Packaging for the static libraries is not always correct. 2808 # At least ubuntu 18.04 ships only shared libraries. 2809 write_c_skeleton 2810 if compile_prog "" "$gnutls_libs" ; then 2811 pass="yes" 2812 fi 2813 fi 2814 if test "$pass" = "no" && test "$gnutls" = "yes"; then 2815 feature_not_found "gnutls" "Install gnutls devel >= 3.1.18" 2816 else 2817 gnutls="$pass" 2818 fi 2819fi 2820 2821 2822# If user didn't give a --disable/enable-gcrypt flag, 2823# then mark as disabled if user requested nettle 2824# explicitly 2825if test -z "$gcrypt" 2826then 2827 if test "$nettle" = "yes" 2828 then 2829 gcrypt="no" 2830 fi 2831fi 2832 2833# If user didn't give a --disable/enable-nettle flag, 2834# then mark as disabled if user requested gcrypt 2835# explicitly 2836if test -z "$nettle" 2837then 2838 if test "$gcrypt" = "yes" 2839 then 2840 nettle="no" 2841 fi 2842fi 2843 2844has_libgcrypt() { 2845 if ! has "libgcrypt-config" 2846 then 2847 return 1 2848 fi 2849 2850 if test -n "$cross_prefix" 2851 then 2852 host=$(libgcrypt-config --host) 2853 if test "$host-" != $cross_prefix 2854 then 2855 return 1 2856 fi 2857 fi 2858 2859 maj=`libgcrypt-config --version | awk -F . '{print $1}'` 2860 min=`libgcrypt-config --version | awk -F . '{print $2}'` 2861 2862 if test $maj != 1 || test $min -lt 8 2863 then 2864 return 1 2865 fi 2866 2867 return 0 2868} 2869 2870 2871if test "$nettle" != "no"; then 2872 pass="no" 2873 if $pkg_config --exists "nettle >= 3.4"; then 2874 nettle_cflags=$($pkg_config --cflags nettle) 2875 nettle_libs=$($pkg_config --libs nettle) 2876 # Link test to make sure the given libraries work (e.g for static). 2877 write_c_skeleton 2878 if compile_prog "" "$nettle_libs" ; then 2879 if test -z "$gcrypt"; then 2880 gcrypt="no" 2881 fi 2882 pass="yes" 2883 fi 2884 fi 2885 if test "$pass" = "yes" 2886 then 2887 cat > $TMPC << EOF 2888#include <nettle/xts.h> 2889int main(void) { 2890 return 0; 2891} 2892EOF 2893 if compile_prog "$nettle_cflags" "$nettle_libs" ; then 2894 nettle_xts=yes 2895 qemu_private_xts=no 2896 fi 2897 fi 2898 if test "$pass" = "no" && test "$nettle" = "yes"; then 2899 feature_not_found "nettle" "Install nettle devel >= 2.7.1" 2900 else 2901 nettle="$pass" 2902 fi 2903fi 2904 2905if test "$gcrypt" != "no"; then 2906 pass="no" 2907 if has_libgcrypt; then 2908 gcrypt_cflags=$(libgcrypt-config --cflags) 2909 gcrypt_libs=$(libgcrypt-config --libs) 2910 # Debian has removed -lgpg-error from libgcrypt-config 2911 # as it "spreads unnecessary dependencies" which in 2912 # turn breaks static builds... 2913 if test "$static" = "yes" 2914 then 2915 gcrypt_libs="$gcrypt_libs -lgpg-error" 2916 fi 2917 2918 # Link test to make sure the given libraries work (e.g for static). 2919 write_c_skeleton 2920 if compile_prog "" "$gcrypt_libs" ; then 2921 pass="yes" 2922 fi 2923 fi 2924 if test "$pass" = "yes"; then 2925 gcrypt="yes" 2926 cat > $TMPC << EOF 2927#include <gcrypt.h> 2928int main(void) { 2929 gcry_cipher_hd_t handle; 2930 gcry_cipher_open(&handle, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_XTS, 0); 2931 return 0; 2932} 2933EOF 2934 if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then 2935 gcrypt_xts=yes 2936 qemu_private_xts=no 2937 fi 2938 elif test "$gcrypt" = "yes"; then 2939 feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0" 2940 else 2941 gcrypt="no" 2942 fi 2943fi 2944 2945 2946if test "$gcrypt" = "yes" && test "$nettle" = "yes" 2947then 2948 error_exit "Only one of gcrypt & nettle can be enabled" 2949fi 2950 2951########################################## 2952# libtasn1 - only for the TLS creds/session test suite 2953 2954tasn1=yes 2955tasn1_cflags="" 2956tasn1_libs="" 2957if $pkg_config --exists "libtasn1"; then 2958 tasn1_cflags=$($pkg_config --cflags libtasn1) 2959 tasn1_libs=$($pkg_config --libs libtasn1) 2960else 2961 tasn1=no 2962fi 2963 2964 2965########################################## 2966# PAM probe 2967 2968if test "$auth_pam" != "no"; then 2969 cat > $TMPC <<EOF 2970#include <security/pam_appl.h> 2971#include <stdio.h> 2972int main(void) { 2973 const char *service_name = "qemu"; 2974 const char *user = "frank"; 2975 const struct pam_conv pam_conv = { 0 }; 2976 pam_handle_t *pamh = NULL; 2977 pam_start(service_name, user, &pam_conv, &pamh); 2978 return 0; 2979} 2980EOF 2981 if compile_prog "" "-lpam" ; then 2982 auth_pam=yes 2983 else 2984 if test "$auth_pam" = "yes"; then 2985 feature_not_found "PAM" "Install PAM development package" 2986 else 2987 auth_pam=no 2988 fi 2989 fi 2990fi 2991 2992########################################## 2993# VTE probe 2994 2995if test "$vte" != "no"; then 2996 vteminversion="0.32.0" 2997 if $pkg_config --exists "vte-2.91"; then 2998 vtepackage="vte-2.91" 2999 else 3000 vtepackage="vte-2.90" 3001 fi 3002 if $pkg_config --exists "$vtepackage >= $vteminversion"; then 3003 vte_cflags=$($pkg_config --cflags $vtepackage) 3004 vte_libs=$($pkg_config --libs $vtepackage) 3005 vteversion=$($pkg_config --modversion $vtepackage) 3006 vte="yes" 3007 elif test "$vte" = "yes"; then 3008 feature_not_found "vte" "Install libvte-2.90/2.91 devel" 3009 else 3010 vte="no" 3011 fi 3012fi 3013 3014########################################## 3015# RDMA needs OpenFabrics libraries 3016if test "$rdma" != "no" ; then 3017 cat > $TMPC <<EOF 3018#include <rdma/rdma_cma.h> 3019int main(void) { return 0; } 3020EOF 3021 rdma_libs="-lrdmacm -libverbs -libumad" 3022 if compile_prog "" "$rdma_libs" ; then 3023 rdma="yes" 3024 else 3025 if test "$rdma" = "yes" ; then 3026 error_exit \ 3027 " OpenFabrics librdmacm/libibverbs/libibumad not present." \ 3028 " Your options:" \ 3029 " (1) Fast: Install infiniband packages (devel) from your distro." \ 3030 " (2) Cleanest: Install libraries from www.openfabrics.org" \ 3031 " (3) Also: Install softiwarp if you don't have RDMA hardware" 3032 fi 3033 rdma="no" 3034 fi 3035fi 3036 3037########################################## 3038# PVRDMA detection 3039 3040cat > $TMPC <<EOF && 3041#include <sys/mman.h> 3042 3043int 3044main(void) 3045{ 3046 char buf = 0; 3047 void *addr = &buf; 3048 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED); 3049 3050 return 0; 3051} 3052EOF 3053 3054if test "$rdma" = "yes" ; then 3055 case "$pvrdma" in 3056 "") 3057 if compile_prog "" ""; then 3058 pvrdma="yes" 3059 else 3060 pvrdma="no" 3061 fi 3062 ;; 3063 "yes") 3064 if ! compile_prog "" ""; then 3065 error_exit "PVRDMA is not supported since mremap is not implemented" 3066 fi 3067 pvrdma="yes" 3068 ;; 3069 "no") 3070 pvrdma="no" 3071 ;; 3072 esac 3073else 3074 if test "$pvrdma" = "yes" ; then 3075 error_exit "PVRDMA requires rdma suppport" 3076 fi 3077 pvrdma="no" 3078fi 3079 3080# Let's see if enhanced reg_mr is supported 3081if test "$pvrdma" = "yes" ; then 3082 3083cat > $TMPC <<EOF && 3084#include <infiniband/verbs.h> 3085 3086int 3087main(void) 3088{ 3089 struct ibv_mr *mr; 3090 struct ibv_pd *pd = NULL; 3091 size_t length = 10; 3092 uint64_t iova = 0; 3093 int access = 0; 3094 void *addr = NULL; 3095 3096 mr = ibv_reg_mr_iova(pd, addr, length, iova, access); 3097 3098 ibv_dereg_mr(mr); 3099 3100 return 0; 3101} 3102EOF 3103 if ! compile_prog "" "-libverbs"; then 3104 QEMU_CFLAGS="$QEMU_CFLAGS -DLEGACY_RDMA_REG_MR" 3105 fi 3106fi 3107 3108########################################## 3109# xfsctl() probe, used for file-posix.c 3110if test "$xfs" != "no" ; then 3111 cat > $TMPC << EOF 3112#include <stddef.h> /* NULL */ 3113#include <xfs/xfs.h> 3114int main(void) 3115{ 3116 xfsctl(NULL, 0, 0, NULL); 3117 return 0; 3118} 3119EOF 3120 if compile_prog "" "" ; then 3121 xfs="yes" 3122 else 3123 if test "$xfs" = "yes" ; then 3124 feature_not_found "xfs" "Install xfsprogs/xfslibs devel" 3125 fi 3126 xfs=no 3127 fi 3128fi 3129 3130########################################## 3131# vde libraries probe 3132if test "$vde" != "no" ; then 3133 vde_libs="-lvdeplug" 3134 cat > $TMPC << EOF 3135#include <libvdeplug.h> 3136int main(void) 3137{ 3138 struct vde_open_args a = {0, 0, 0}; 3139 char s[] = ""; 3140 vde_open(s, s, &a); 3141 return 0; 3142} 3143EOF 3144 if compile_prog "" "$vde_libs" ; then 3145 vde=yes 3146 else 3147 if test "$vde" = "yes" ; then 3148 feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel" 3149 fi 3150 vde=no 3151 fi 3152fi 3153 3154########################################## 3155# netmap support probe 3156# Apart from looking for netmap headers, we make sure that the host API version 3157# supports the netmap backend (>=11). The upper bound (15) is meant to simulate 3158# a minor/major version number. Minor new features will be marked with values up 3159# to 15, and if something happens that requires a change to the backend we will 3160# move above 15, submit the backend fixes and modify this two bounds. 3161if test "$netmap" != "no" ; then 3162 cat > $TMPC << EOF 3163#include <inttypes.h> 3164#include <net/if.h> 3165#include <net/netmap.h> 3166#include <net/netmap_user.h> 3167#if (NETMAP_API < 11) || (NETMAP_API > 15) 3168#error 3169#endif 3170int main(void) { return 0; } 3171EOF 3172 if compile_prog "" "" ; then 3173 netmap=yes 3174 else 3175 if test "$netmap" = "yes" ; then 3176 feature_not_found "netmap" 3177 fi 3178 netmap=no 3179 fi 3180fi 3181 3182########################################## 3183# detect CoreAudio 3184if test "$coreaudio" != "no" ; then 3185 coreaudio_libs="-framework CoreAudio" 3186 cat > $TMPC << EOF 3187#include <CoreAudio/CoreAudio.h> 3188int main(void) 3189{ 3190 return (int)AudioGetCurrentHostTime(); 3191} 3192EOF 3193 if compile_prog "" "$coreaudio_libs" ; then 3194 coreaudio=yes 3195 else 3196 coreaudio=no 3197 fi 3198fi 3199 3200########################################## 3201# Sound support libraries probe 3202 3203audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g') 3204for drv in $audio_drv_list; do 3205 case $drv in 3206 alsa | try-alsa) 3207 if $pkg_config alsa --exists; then 3208 alsa_libs=$($pkg_config alsa --libs) 3209 alsa_cflags=$($pkg_config alsa --cflags) 3210 alsa=yes 3211 if test "$drv" = "try-alsa"; then 3212 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/') 3213 fi 3214 else 3215 if test "$drv" = "try-alsa"; then 3216 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//') 3217 else 3218 error_exit "$drv check failed" \ 3219 "Make sure to have the $drv libs and headers installed." 3220 fi 3221 fi 3222 ;; 3223 3224 pa | try-pa) 3225 if $pkg_config libpulse --exists; then 3226 libpulse=yes 3227 pulse_libs=$($pkg_config libpulse --libs) 3228 pulse_cflags=$($pkg_config libpulse --cflags) 3229 if test "$drv" = "try-pa"; then 3230 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/') 3231 fi 3232 else 3233 if test "$drv" = "try-pa"; then 3234 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//') 3235 else 3236 error_exit "$drv check failed" \ 3237 "Make sure to have the $drv libs and headers installed." 3238 fi 3239 fi 3240 ;; 3241 3242 sdl) 3243 if test "$sdl" = "no"; then 3244 error_exit "sdl not found or disabled, can not use sdl audio driver" 3245 fi 3246 ;; 3247 3248 try-sdl) 3249 if test "$sdl" = "no"; then 3250 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//') 3251 else 3252 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/') 3253 fi 3254 ;; 3255 3256 coreaudio | try-coreaudio) 3257 if test "$coreaudio" = "no"; then 3258 if test "$drv" = "try-coreaudio"; then 3259 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-coreaudio//') 3260 else 3261 error_exit "$drv check failed" \ 3262 "Make sure to have the $drv is available." 3263 fi 3264 else 3265 coreaudio_libs="-framework CoreAudio" 3266 if test "$drv" = "try-coreaudio"; then 3267 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-coreaudio/coreaudio/') 3268 fi 3269 fi 3270 ;; 3271 3272 dsound) 3273 dsound_libs="-lole32 -ldxguid" 3274 audio_win_int="yes" 3275 ;; 3276 3277 oss) 3278 oss_libs="$oss_lib" 3279 ;; 3280 3281 jack | try-jack) 3282 if $pkg_config jack --exists; then 3283 libjack=yes 3284 jack_libs=$($pkg_config jack --libs) 3285 if test "$drv" = "try-jack"; then 3286 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack/jack/') 3287 fi 3288 else 3289 if test "$drv" = "try-jack"; then 3290 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack//') 3291 else 3292 error_exit "$drv check failed" \ 3293 "Make sure to have the $drv libs and headers installed." 3294 fi 3295 fi 3296 ;; 3297 3298 *) 3299 echo "$audio_possible_drivers" | grep -q "\<$drv\>" || { 3300 error_exit "Unknown driver '$drv' selected" \ 3301 "Possible drivers are: $audio_possible_drivers" 3302 } 3303 ;; 3304 esac 3305done 3306 3307########################################## 3308# glib support probe 3309 3310glib_req_ver=2.56 3311glib_modules=gthread-2.0 3312if test "$modules" = yes; then 3313 glib_modules="$glib_modules gmodule-export-2.0" 3314fi 3315if test "$plugins" = yes; then 3316 glib_modules="$glib_modules gmodule-2.0" 3317fi 3318 3319for i in $glib_modules; do 3320 if $pkg_config --atleast-version=$glib_req_ver $i; then 3321 glib_cflags=$($pkg_config --cflags $i) 3322 glib_libs=$($pkg_config --libs $i) 3323 else 3324 error_exit "glib-$glib_req_ver $i is required to compile QEMU" 3325 fi 3326done 3327 3328# This workaround is required due to a bug in pkg-config file for glib as it 3329# doesn't define GLIB_STATIC_COMPILATION for pkg-config --static 3330 3331if test "$static" = yes && test "$mingw32" = yes; then 3332 glib_cflags="-DGLIB_STATIC_COMPILATION $glib_cflags" 3333fi 3334 3335if ! test "$gio" = "no"; then 3336 pass=no 3337 if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then 3338 gio_cflags=$($pkg_config --cflags gio-2.0) 3339 gio_libs=$($pkg_config --libs gio-2.0) 3340 gdbus_codegen=$($pkg_config --variable=gdbus_codegen gio-2.0) 3341 if ! has "$gdbus_codegen"; then 3342 gdbus_codegen= 3343 fi 3344 # Check that the libraries actually work -- Ubuntu 18.04 ships 3345 # with pkg-config --static --libs data for gio-2.0 that is missing 3346 # -lblkid and will give a link error. 3347 cat > $TMPC <<EOF 3348#include <gio/gio.h> 3349int main(void) 3350{ 3351 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0); 3352 return 0; 3353} 3354EOF 3355 if compile_prog "$gio_cflags" "$gio_libs" ; then 3356 pass=yes 3357 else 3358 pass=no 3359 fi 3360 3361 if test "$pass" = "yes" && 3362 $pkg_config --atleast-version=$glib_req_ver gio-unix-2.0; then 3363 gio_cflags="$gio_cflags $($pkg_config --cflags gio-unix-2.0)" 3364 gio_libs="$gio_libs $($pkg_config --libs gio-unix-2.0)" 3365 fi 3366 fi 3367 3368 if test "$pass" = "no"; then 3369 if test "$gio" = "yes"; then 3370 feature_not_found "gio" "Install libgio >= 2.0" 3371 else 3372 gio=no 3373 fi 3374 else 3375 gio=yes 3376 fi 3377fi 3378 3379# Sanity check that the current size_t matches the 3380# size that glib thinks it should be. This catches 3381# problems on multi-arch where people try to build 3382# 32-bit QEMU while pointing at 64-bit glib headers 3383cat > $TMPC <<EOF 3384#include <glib.h> 3385#include <unistd.h> 3386 3387#define QEMU_BUILD_BUG_ON(x) \ 3388 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused)); 3389 3390int main(void) { 3391 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T); 3392 return 0; 3393} 3394EOF 3395 3396if ! compile_prog "$glib_cflags" "$glib_libs" ; then 3397 error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\ 3398 "You probably need to set PKG_CONFIG_LIBDIR"\ 3399 "to point to the right pkg-config files for your"\ 3400 "build target" 3401fi 3402 3403# Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage 3404cat > $TMPC << EOF 3405#include <glib.h> 3406int main(void) { return 0; } 3407EOF 3408if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then 3409 if cc_has_warning_flag "-Wno-unknown-attributes"; then 3410 glib_cflags="-Wno-unknown-attributes $glib_cflags" 3411 CONFIGURE_CFLAGS="-Wno-unknown-attributes $CONFIGURE_CFLAGS" 3412 fi 3413fi 3414 3415# Silence clang warnings triggered by glib < 2.57.2 3416cat > $TMPC << EOF 3417#include <glib.h> 3418typedef struct Foo { 3419 int i; 3420} Foo; 3421static void foo_free(Foo *f) 3422{ 3423 g_free(f); 3424} 3425G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free); 3426int main(void) { return 0; } 3427EOF 3428if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then 3429 if cc_has_warning_flag "-Wno-unused-function"; then 3430 glib_cflags="$glib_cflags -Wno-unused-function" 3431 CONFIGURE_CFLAGS="$CONFIGURE_CFLAGS -Wno-unused-function" 3432 fi 3433fi 3434 3435########################################## 3436# SHA command probe for modules 3437if test "$modules" = yes; then 3438 shacmd_probe="sha1sum sha1 shasum" 3439 for c in $shacmd_probe; do 3440 if has $c; then 3441 shacmd="$c" 3442 break 3443 fi 3444 done 3445 if test "$shacmd" = ""; then 3446 error_exit "one of the checksum commands is required to enable modules: $shacmd_probe" 3447 fi 3448fi 3449 3450########################################## 3451# pthread probe 3452PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2" 3453 3454pthread=no 3455cat > $TMPC << EOF 3456#include <pthread.h> 3457static void *f(void *p) { return NULL; } 3458int main(void) { 3459 pthread_t thread; 3460 pthread_create(&thread, 0, f, 0); 3461 return 0; 3462} 3463EOF 3464if compile_prog "" "" ; then 3465 pthread=yes 3466else 3467 for pthread_lib in $PTHREADLIBS_LIST; do 3468 if compile_prog "" "$pthread_lib" ; then 3469 pthread=yes 3470 break 3471 fi 3472 done 3473fi 3474 3475if test "$mingw32" != yes && test "$pthread" = no; then 3476 error_exit "pthread check failed" \ 3477 "Make sure to have the pthread libs and headers installed." 3478fi 3479 3480# check for pthread_setname_np with thread id 3481pthread_setname_np_w_tid=no 3482cat > $TMPC << EOF 3483#include <pthread.h> 3484 3485static void *f(void *p) { return NULL; } 3486int main(void) 3487{ 3488 pthread_t thread; 3489 pthread_create(&thread, 0, f, 0); 3490 pthread_setname_np(thread, "QEMU"); 3491 return 0; 3492} 3493EOF 3494if compile_prog "" "$pthread_lib" ; then 3495 pthread_setname_np_w_tid=yes 3496fi 3497 3498# check for pthread_setname_np without thread id 3499pthread_setname_np_wo_tid=no 3500cat > $TMPC << EOF 3501#include <pthread.h> 3502 3503static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; } 3504int main(void) 3505{ 3506 pthread_t thread; 3507 pthread_create(&thread, 0, f, 0); 3508 return 0; 3509} 3510EOF 3511if compile_prog "" "$pthread_lib" ; then 3512 pthread_setname_np_wo_tid=yes 3513fi 3514 3515########################################## 3516# libssh probe 3517if test "$libssh" != "no" ; then 3518 if $pkg_config --exists "libssh >= 0.8.7"; then 3519 libssh_cflags=$($pkg_config libssh --cflags) 3520 libssh_libs=$($pkg_config libssh --libs) 3521 libssh=yes 3522 else 3523 if test "$libssh" = "yes" ; then 3524 error_exit "libssh required for --enable-libssh" 3525 fi 3526 libssh=no 3527 fi 3528fi 3529 3530########################################## 3531# linux-aio probe 3532 3533if test "$linux_aio" != "no" ; then 3534 cat > $TMPC <<EOF 3535#include <libaio.h> 3536#include <sys/eventfd.h> 3537#include <stddef.h> 3538int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; } 3539EOF 3540 if compile_prog "" "-laio" ; then 3541 linux_aio=yes 3542 else 3543 if test "$linux_aio" = "yes" ; then 3544 feature_not_found "linux AIO" "Install libaio devel" 3545 fi 3546 linux_aio=no 3547 fi 3548fi 3549########################################## 3550# linux-io-uring probe 3551 3552if test "$linux_io_uring" != "no" ; then 3553 if $pkg_config liburing; then 3554 linux_io_uring_cflags=$($pkg_config --cflags liburing) 3555 linux_io_uring_libs=$($pkg_config --libs liburing) 3556 linux_io_uring=yes 3557 else 3558 if test "$linux_io_uring" = "yes" ; then 3559 feature_not_found "linux io_uring" "Install liburing devel" 3560 fi 3561 linux_io_uring=no 3562 fi 3563fi 3564 3565########################################## 3566# TPM emulation is only on POSIX 3567 3568if test "$tpm" = ""; then 3569 if test "$mingw32" = "yes"; then 3570 tpm=no 3571 else 3572 tpm=yes 3573 fi 3574elif test "$tpm" = "yes"; then 3575 if test "$mingw32" = "yes" ; then 3576 error_exit "TPM emulation only available on POSIX systems" 3577 fi 3578fi 3579 3580########################################## 3581# iovec probe 3582cat > $TMPC <<EOF 3583#include <sys/types.h> 3584#include <sys/uio.h> 3585#include <unistd.h> 3586int main(void) { return sizeof(struct iovec); } 3587EOF 3588iovec=no 3589if compile_prog "" "" ; then 3590 iovec=yes 3591fi 3592 3593########################################## 3594# fdt probe 3595 3596case "$fdt" in 3597 auto | enabled | internal) 3598 # Simpler to always update submodule, even if not needed. 3599 git_submodules="${git_submodules} dtc" 3600 ;; 3601esac 3602 3603########################################## 3604# opengl probe (for sdl2, gtk) 3605 3606gbm="no" 3607if $pkg_config gbm; then 3608 gbm_cflags="$($pkg_config --cflags gbm)" 3609 gbm_libs="$($pkg_config --libs gbm)" 3610 gbm="yes" 3611fi 3612 3613if test "$opengl" != "no" ; then 3614 epoxy=no 3615 if $pkg_config epoxy; then 3616 cat > $TMPC << EOF 3617#include <epoxy/egl.h> 3618int main(void) { return 0; } 3619EOF 3620 if compile_prog "" "" ; then 3621 epoxy=yes 3622 fi 3623 fi 3624 3625 if test "$epoxy" = "yes" ; then 3626 opengl_cflags="$($pkg_config --cflags epoxy)" 3627 opengl_libs="$($pkg_config --libs epoxy)" 3628 opengl=yes 3629 else 3630 if test "$opengl" = "yes" ; then 3631 feature_not_found "opengl" "Please install epoxy with EGL" 3632 fi 3633 opengl_cflags="" 3634 opengl_libs="" 3635 opengl=no 3636 fi 3637fi 3638 3639########################################## 3640# libxml2 probe 3641if test "$libxml2" != "no" ; then 3642 if $pkg_config --exists libxml-2.0; then 3643 libxml2="yes" 3644 libxml2_cflags=$($pkg_config --cflags libxml-2.0) 3645 libxml2_libs=$($pkg_config --libs libxml-2.0) 3646 else 3647 if test "$libxml2" = "yes"; then 3648 feature_not_found "libxml2" "Install libxml2 devel" 3649 fi 3650 libxml2="no" 3651 fi 3652fi 3653 3654# Check for inotify functions when we are building linux-user 3655# emulator. This is done because older glibc versions don't 3656# have syscall stubs for these implemented. In that case we 3657# don't provide them even if kernel supports them. 3658# 3659inotify=no 3660cat > $TMPC << EOF 3661#include <sys/inotify.h> 3662 3663int 3664main(void) 3665{ 3666 /* try to start inotify */ 3667 return inotify_init(); 3668} 3669EOF 3670if compile_prog "" "" ; then 3671 inotify=yes 3672fi 3673 3674inotify1=no 3675cat > $TMPC << EOF 3676#include <sys/inotify.h> 3677 3678int 3679main(void) 3680{ 3681 /* try to start inotify */ 3682 return inotify_init1(0); 3683} 3684EOF 3685if compile_prog "" "" ; then 3686 inotify1=yes 3687fi 3688 3689# check if pipe2 is there 3690pipe2=no 3691cat > $TMPC << EOF 3692#include <unistd.h> 3693#include <fcntl.h> 3694 3695int main(void) 3696{ 3697 int pipefd[2]; 3698 return pipe2(pipefd, O_CLOEXEC); 3699} 3700EOF 3701if compile_prog "" "" ; then 3702 pipe2=yes 3703fi 3704 3705# check if accept4 is there 3706accept4=no 3707cat > $TMPC << EOF 3708#include <sys/socket.h> 3709#include <stddef.h> 3710 3711int main(void) 3712{ 3713 accept4(0, NULL, NULL, SOCK_CLOEXEC); 3714 return 0; 3715} 3716EOF 3717if compile_prog "" "" ; then 3718 accept4=yes 3719fi 3720 3721# check if tee/splice is there. vmsplice was added same time. 3722splice=no 3723cat > $TMPC << EOF 3724#include <unistd.h> 3725#include <fcntl.h> 3726#include <limits.h> 3727 3728int main(void) 3729{ 3730 int len, fd = 0; 3731 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK); 3732 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE); 3733 return 0; 3734} 3735EOF 3736if compile_prog "" "" ; then 3737 splice=yes 3738fi 3739 3740########################################## 3741# libnuma probe 3742 3743if test "$numa" != "no" ; then 3744 cat > $TMPC << EOF 3745#include <numa.h> 3746int main(void) { return numa_available(); } 3747EOF 3748 3749 if compile_prog "" "-lnuma" ; then 3750 numa=yes 3751 numa_libs="-lnuma" 3752 else 3753 if test "$numa" = "yes" ; then 3754 feature_not_found "numa" "install numactl devel" 3755 fi 3756 numa=no 3757 fi 3758fi 3759 3760malloc=system 3761if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then 3762 echo "ERROR: tcmalloc && jemalloc can't be used at the same time" 3763 exit 1 3764elif test "$tcmalloc" = "yes" ; then 3765 malloc=tcmalloc 3766elif test "$jemalloc" = "yes" ; then 3767 malloc=jemalloc 3768fi 3769 3770########################################## 3771# signalfd probe 3772signalfd="no" 3773cat > $TMPC << EOF 3774#include <unistd.h> 3775#include <sys/syscall.h> 3776#include <signal.h> 3777int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); } 3778EOF 3779 3780if compile_prog "" "" ; then 3781 signalfd=yes 3782fi 3783 3784# check if optreset global is declared by <getopt.h> 3785optreset="no" 3786cat > $TMPC << EOF 3787#include <getopt.h> 3788int main(void) { return optreset; } 3789EOF 3790 3791if compile_prog "" "" ; then 3792 optreset=yes 3793fi 3794 3795# check if eventfd is supported 3796eventfd=no 3797cat > $TMPC << EOF 3798#include <sys/eventfd.h> 3799 3800int main(void) 3801{ 3802 return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); 3803} 3804EOF 3805if compile_prog "" "" ; then 3806 eventfd=yes 3807fi 3808 3809# check if memfd is supported 3810memfd=no 3811cat > $TMPC << EOF 3812#include <sys/mman.h> 3813 3814int main(void) 3815{ 3816 return memfd_create("foo", MFD_ALLOW_SEALING); 3817} 3818EOF 3819if compile_prog "" "" ; then 3820 memfd=yes 3821fi 3822 3823# check for usbfs 3824have_usbfs=no 3825if test "$linux_user" = "yes"; then 3826 cat > $TMPC << EOF 3827#include <linux/usbdevice_fs.h> 3828 3829#ifndef USBDEVFS_GET_CAPABILITIES 3830#error "USBDEVFS_GET_CAPABILITIES undefined" 3831#endif 3832 3833#ifndef USBDEVFS_DISCONNECT_CLAIM 3834#error "USBDEVFS_DISCONNECT_CLAIM undefined" 3835#endif 3836 3837int main(void) 3838{ 3839 return 0; 3840} 3841EOF 3842 if compile_prog "" ""; then 3843 have_usbfs=yes 3844 fi 3845fi 3846 3847# check for fallocate 3848fallocate=no 3849cat > $TMPC << EOF 3850#include <fcntl.h> 3851 3852int main(void) 3853{ 3854 fallocate(0, 0, 0, 0); 3855 return 0; 3856} 3857EOF 3858if compile_prog "" "" ; then 3859 fallocate=yes 3860fi 3861 3862# check for fallocate hole punching 3863fallocate_punch_hole=no 3864cat > $TMPC << EOF 3865#include <fcntl.h> 3866#include <linux/falloc.h> 3867 3868int main(void) 3869{ 3870 fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0); 3871 return 0; 3872} 3873EOF 3874if compile_prog "" "" ; then 3875 fallocate_punch_hole=yes 3876fi 3877 3878# check that fallocate supports range zeroing inside the file 3879fallocate_zero_range=no 3880cat > $TMPC << EOF 3881#include <fcntl.h> 3882#include <linux/falloc.h> 3883 3884int main(void) 3885{ 3886 fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0); 3887 return 0; 3888} 3889EOF 3890if compile_prog "" "" ; then 3891 fallocate_zero_range=yes 3892fi 3893 3894# check for posix_fallocate 3895posix_fallocate=no 3896cat > $TMPC << EOF 3897#include <fcntl.h> 3898 3899int main(void) 3900{ 3901 posix_fallocate(0, 0, 0); 3902 return 0; 3903} 3904EOF 3905if compile_prog "" "" ; then 3906 posix_fallocate=yes 3907fi 3908 3909# check for sync_file_range 3910sync_file_range=no 3911cat > $TMPC << EOF 3912#include <fcntl.h> 3913 3914int main(void) 3915{ 3916 sync_file_range(0, 0, 0, 0); 3917 return 0; 3918} 3919EOF 3920if compile_prog "" "" ; then 3921 sync_file_range=yes 3922fi 3923 3924# check for linux/fiemap.h and FS_IOC_FIEMAP 3925fiemap=no 3926cat > $TMPC << EOF 3927#include <sys/ioctl.h> 3928#include <linux/fs.h> 3929#include <linux/fiemap.h> 3930 3931int main(void) 3932{ 3933 ioctl(0, FS_IOC_FIEMAP, 0); 3934 return 0; 3935} 3936EOF 3937if compile_prog "" "" ; then 3938 fiemap=yes 3939fi 3940 3941# check for dup3 3942dup3=no 3943cat > $TMPC << EOF 3944#include <unistd.h> 3945 3946int main(void) 3947{ 3948 dup3(0, 0, 0); 3949 return 0; 3950} 3951EOF 3952if compile_prog "" "" ; then 3953 dup3=yes 3954fi 3955 3956# check for ppoll support 3957ppoll=no 3958cat > $TMPC << EOF 3959#include <poll.h> 3960 3961int main(void) 3962{ 3963 struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 }; 3964 ppoll(&pfd, 1, 0, 0); 3965 return 0; 3966} 3967EOF 3968if compile_prog "" "" ; then 3969 ppoll=yes 3970fi 3971 3972# check for prctl(PR_SET_TIMERSLACK , ... ) support 3973prctl_pr_set_timerslack=no 3974cat > $TMPC << EOF 3975#include <sys/prctl.h> 3976 3977int main(void) 3978{ 3979 prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0); 3980 return 0; 3981} 3982EOF 3983if compile_prog "" "" ; then 3984 prctl_pr_set_timerslack=yes 3985fi 3986 3987# check for epoll support 3988epoll=no 3989cat > $TMPC << EOF 3990#include <sys/epoll.h> 3991 3992int main(void) 3993{ 3994 epoll_create(0); 3995 return 0; 3996} 3997EOF 3998if compile_prog "" "" ; then 3999 epoll=yes 4000fi 4001 4002# epoll_create1 is a later addition 4003# so we must check separately for its presence 4004epoll_create1=no 4005cat > $TMPC << EOF 4006#include <sys/epoll.h> 4007 4008int main(void) 4009{ 4010 /* Note that we use epoll_create1 as a value, not as 4011 * a function being called. This is necessary so that on 4012 * old SPARC glibc versions where the function was present in 4013 * the library but not declared in the header file we will 4014 * fail the configure check. (Otherwise we will get a compiler 4015 * warning but not an error, and will proceed to fail the 4016 * qemu compile where we compile with -Werror.) 4017 */ 4018 return (int)(uintptr_t)&epoll_create1; 4019} 4020EOF 4021if compile_prog "" "" ; then 4022 epoll_create1=yes 4023fi 4024 4025# check for sendfile support 4026sendfile=no 4027cat > $TMPC << EOF 4028#include <sys/sendfile.h> 4029 4030int main(void) 4031{ 4032 return sendfile(0, 0, 0, 0); 4033} 4034EOF 4035if compile_prog "" "" ; then 4036 sendfile=yes 4037fi 4038 4039# check for timerfd support (glibc 2.8 and newer) 4040timerfd=no 4041cat > $TMPC << EOF 4042#include <sys/timerfd.h> 4043 4044int main(void) 4045{ 4046 return(timerfd_create(CLOCK_REALTIME, 0)); 4047} 4048EOF 4049if compile_prog "" "" ; then 4050 timerfd=yes 4051fi 4052 4053# check for setns and unshare support 4054setns=no 4055cat > $TMPC << EOF 4056#include <sched.h> 4057 4058int main(void) 4059{ 4060 int ret; 4061 ret = setns(0, 0); 4062 ret = unshare(0); 4063 return ret; 4064} 4065EOF 4066if compile_prog "" "" ; then 4067 setns=yes 4068fi 4069 4070# clock_adjtime probe 4071clock_adjtime=no 4072cat > $TMPC <<EOF 4073#include <time.h> 4074#include <sys/timex.h> 4075 4076int main(void) 4077{ 4078 return clock_adjtime(0, 0); 4079} 4080EOF 4081clock_adjtime=no 4082if compile_prog "" "" ; then 4083 clock_adjtime=yes 4084fi 4085 4086# syncfs probe 4087syncfs=no 4088cat > $TMPC <<EOF 4089#include <unistd.h> 4090 4091int main(void) 4092{ 4093 return syncfs(0); 4094} 4095EOF 4096syncfs=no 4097if compile_prog "" "" ; then 4098 syncfs=yes 4099fi 4100 4101# Search for bswap_32 function 4102byteswap_h=no 4103cat > $TMPC << EOF 4104#include <byteswap.h> 4105int main(void) { return bswap_32(0); } 4106EOF 4107if compile_prog "" "" ; then 4108 byteswap_h=yes 4109fi 4110 4111# Search for bswap32 function 4112bswap_h=no 4113cat > $TMPC << EOF 4114#include <sys/endian.h> 4115#include <sys/types.h> 4116#include <machine/bswap.h> 4117int main(void) { return bswap32(0); } 4118EOF 4119if compile_prog "" "" ; then 4120 bswap_h=yes 4121fi 4122 4123# Check whether we have openpty() in either libc or libutil 4124cat > $TMPC << EOF 4125extern int openpty(int *am, int *as, char *name, void *termp, void *winp); 4126int main(void) { return openpty(0, 0, 0, 0, 0); } 4127EOF 4128 4129have_openpty="no" 4130if compile_prog "" "" ; then 4131 have_openpty="yes" 4132else 4133 if compile_prog "" "-lutil" ; then 4134 have_openpty="yes" 4135 fi 4136fi 4137 4138########################################## 4139# spice probe 4140if test "$spice_protocol" != "no" ; then 4141 spice_protocol_cflags=$($pkg_config --cflags spice-protocol 2>/dev/null) 4142 if $pkg_config --atleast-version=0.12.3 spice-protocol; then 4143 spice_protocol="yes" 4144 else 4145 if test "$spice_protocol" = "yes" ; then 4146 feature_not_found "spice_protocol" \ 4147 "Install spice-protocol(>=0.12.3) devel" 4148 fi 4149 spice_protocol="no" 4150 fi 4151fi 4152 4153if test "$spice" != "no" ; then 4154 cat > $TMPC << EOF 4155#include <spice.h> 4156int main(void) { spice_server_new(); return 0; } 4157EOF 4158 spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null) 4159 spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null) 4160 if $pkg_config --atleast-version=0.12.5 spice-server && \ 4161 test "$spice_protocol" = "yes" && \ 4162 compile_prog "$spice_cflags" "$spice_libs" ; then 4163 spice="yes" 4164 else 4165 if test "$spice" = "yes" ; then 4166 feature_not_found "spice" \ 4167 "Install spice-server(>=0.12.5) devel" 4168 fi 4169 spice="no" 4170 fi 4171fi 4172 4173# check for smartcard support 4174if test "$smartcard" != "no"; then 4175 if $pkg_config --atleast-version=2.5.1 libcacard; then 4176 libcacard_cflags=$($pkg_config --cflags libcacard) 4177 libcacard_libs=$($pkg_config --libs libcacard) 4178 smartcard="yes" 4179 else 4180 if test "$smartcard" = "yes"; then 4181 feature_not_found "smartcard" "Install libcacard devel" 4182 fi 4183 smartcard="no" 4184 fi 4185fi 4186 4187# check for libusb 4188if test "$libusb" != "no" ; then 4189 if $pkg_config --atleast-version=1.0.13 libusb-1.0; then 4190 libusb="yes" 4191 libusb_cflags=$($pkg_config --cflags libusb-1.0) 4192 libusb_libs=$($pkg_config --libs libusb-1.0) 4193 else 4194 if test "$libusb" = "yes"; then 4195 feature_not_found "libusb" "Install libusb devel >= 1.0.13" 4196 fi 4197 libusb="no" 4198 fi 4199fi 4200 4201# check for usbredirparser for usb network redirection support 4202if test "$usb_redir" != "no" ; then 4203 if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then 4204 usb_redir="yes" 4205 usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5) 4206 usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5) 4207 else 4208 if test "$usb_redir" = "yes"; then 4209 feature_not_found "usb-redir" "Install usbredir devel" 4210 fi 4211 usb_redir="no" 4212 fi 4213fi 4214 4215########################################## 4216# check if we have VSS SDK headers for win 4217 4218if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \ 4219 test "$vss_win32_sdk" != "no" ; then 4220 case "$vss_win32_sdk" in 4221 "") vss_win32_include="-isystem $source_path" ;; 4222 *\ *) # The SDK is installed in "Program Files" by default, but we cannot 4223 # handle path with spaces. So we symlink the headers into ".sdk/vss". 4224 vss_win32_include="-isystem $source_path/.sdk/vss" 4225 symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc" 4226 ;; 4227 *) vss_win32_include="-isystem $vss_win32_sdk" 4228 esac 4229 cat > $TMPC << EOF 4230#define __MIDL_user_allocate_free_DEFINED__ 4231#include <inc/win2003/vss.h> 4232int main(void) { return VSS_CTX_BACKUP; } 4233EOF 4234 if compile_prog "$vss_win32_include" "" ; then 4235 guest_agent_with_vss="yes" 4236 QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include" 4237 libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga" 4238 qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb" 4239 else 4240 if test "$vss_win32_sdk" != "" ; then 4241 echo "ERROR: Please download and install Microsoft VSS SDK:" 4242 echo "ERROR: http://www.microsoft.com/en-us/download/details.aspx?id=23490" 4243 echo "ERROR: On POSIX-systems, you can extract the SDK headers by:" 4244 echo "ERROR: scripts/extract-vsssdk-headers setup.exe" 4245 echo "ERROR: The headers are extracted in the directory \`inc'." 4246 feature_not_found "VSS support" 4247 fi 4248 guest_agent_with_vss="no" 4249 fi 4250fi 4251 4252########################################## 4253# lookup Windows platform SDK (if not specified) 4254# The SDK is needed only to build .tlb (type library) file of guest agent 4255# VSS provider from the source. It is usually unnecessary because the 4256# pre-compiled .tlb file is included. 4257 4258if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \ 4259 test "$guest_agent_with_vss" = "yes" ; then 4260 if test -z "$win_sdk"; then 4261 programfiles="$PROGRAMFILES" 4262 test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432" 4263 if test -n "$programfiles"; then 4264 win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null 4265 else 4266 feature_not_found "Windows SDK" 4267 fi 4268 elif test "$win_sdk" = "no"; then 4269 win_sdk="" 4270 fi 4271fi 4272 4273########################################## 4274# check if mingw environment provides a recent ntddscsi.h 4275if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then 4276 cat > $TMPC << EOF 4277#include <windows.h> 4278#include <ntddscsi.h> 4279int main(void) { 4280#if !defined(IOCTL_SCSI_GET_ADDRESS) 4281#error Missing required ioctl definitions 4282#endif 4283 SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 }; 4284 return addr.Lun; 4285} 4286EOF 4287 if compile_prog "" "" ; then 4288 guest_agent_ntddscsi=yes 4289 libs_qga="-lsetupapi -lcfgmgr32 $libs_qga" 4290 fi 4291fi 4292 4293########################################## 4294# virgl renderer probe 4295 4296if test "$virglrenderer" != "no" ; then 4297 cat > $TMPC << EOF 4298#include <virglrenderer.h> 4299int main(void) { virgl_renderer_poll(); return 0; } 4300EOF 4301 virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null) 4302 virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null) 4303 virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null) 4304 if $pkg_config virglrenderer >/dev/null 2>&1 && \ 4305 compile_prog "$virgl_cflags" "$virgl_libs" ; then 4306 virglrenderer="yes" 4307 else 4308 if test "$virglrenderer" = "yes" ; then 4309 feature_not_found "virglrenderer" 4310 fi 4311 virglrenderer="no" 4312 fi 4313fi 4314 4315########################################## 4316# capstone 4317 4318case "$capstone" in 4319 auto | enabled | internal) 4320 # Simpler to always update submodule, even if not needed. 4321 git_submodules="${git_submodules} capstone" 4322 ;; 4323esac 4324 4325########################################## 4326# check if we have fdatasync 4327 4328fdatasync=no 4329cat > $TMPC << EOF 4330#include <unistd.h> 4331int main(void) { 4332#if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0 4333return fdatasync(0); 4334#else 4335#error Not supported 4336#endif 4337} 4338EOF 4339if compile_prog "" "" ; then 4340 fdatasync=yes 4341fi 4342 4343########################################## 4344# check if we have madvise 4345 4346madvise=no 4347cat > $TMPC << EOF 4348#include <sys/types.h> 4349#include <sys/mman.h> 4350#include <stddef.h> 4351int main(void) { return madvise(NULL, 0, MADV_DONTNEED); } 4352EOF 4353if compile_prog "" "" ; then 4354 madvise=yes 4355fi 4356 4357########################################## 4358# check if we have posix_madvise 4359 4360posix_madvise=no 4361cat > $TMPC << EOF 4362#include <sys/mman.h> 4363#include <stddef.h> 4364int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); } 4365EOF 4366if compile_prog "" "" ; then 4367 posix_madvise=yes 4368fi 4369 4370########################################## 4371# check if we have posix_memalign() 4372 4373posix_memalign=no 4374cat > $TMPC << EOF 4375#include <stdlib.h> 4376int main(void) { 4377 void *p; 4378 return posix_memalign(&p, 8, 8); 4379} 4380EOF 4381if compile_prog "" "" ; then 4382 posix_memalign=yes 4383fi 4384 4385########################################## 4386# check if we have posix_syslog 4387 4388posix_syslog=no 4389cat > $TMPC << EOF 4390#include <syslog.h> 4391int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; } 4392EOF 4393if compile_prog "" "" ; then 4394 posix_syslog=yes 4395fi 4396 4397########################################## 4398# check if we have sem_timedwait 4399 4400sem_timedwait=no 4401cat > $TMPC << EOF 4402#include <semaphore.h> 4403int main(void) { sem_t s; struct timespec t = {0}; return sem_timedwait(&s, &t); } 4404EOF 4405if compile_prog "" "" ; then 4406 sem_timedwait=yes 4407fi 4408 4409########################################## 4410# check if we have strchrnul 4411 4412strchrnul=no 4413cat > $TMPC << EOF 4414#include <string.h> 4415int main(void); 4416// Use a haystack that the compiler shouldn't be able to constant fold 4417char *haystack = (char*)&main; 4418int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; } 4419EOF 4420if compile_prog "" "" ; then 4421 strchrnul=yes 4422fi 4423 4424######################################### 4425# check if we have st_atim 4426 4427st_atim=no 4428cat > $TMPC << EOF 4429#include <sys/stat.h> 4430#include <stddef.h> 4431int main(void) { return offsetof(struct stat, st_atim); } 4432EOF 4433if compile_prog "" "" ; then 4434 st_atim=yes 4435fi 4436 4437########################################## 4438# check if trace backend exists 4439 4440$python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends > /dev/null 2> /dev/null 4441if test "$?" -ne 0 ; then 4442 error_exit "invalid trace backends" \ 4443 "Please choose supported trace backends." 4444fi 4445 4446########################################## 4447# For 'ust' backend, test if ust headers are present 4448if have_backend "ust"; then 4449 cat > $TMPC << EOF 4450#include <lttng/tracepoint.h> 4451int main(void) { return 0; } 4452EOF 4453 if compile_prog "" "-Wl,--no-as-needed -ldl" ; then 4454 if $pkg_config lttng-ust --exists; then 4455 lttng_ust_libs=$($pkg_config --libs lttng-ust) 4456 else 4457 lttng_ust_libs="-llttng-ust -ldl" 4458 fi 4459 if $pkg_config liburcu-bp --exists; then 4460 urcu_bp_libs=$($pkg_config --libs liburcu-bp) 4461 else 4462 urcu_bp_libs="-lurcu-bp" 4463 fi 4464 else 4465 error_exit "Trace backend 'ust' missing lttng-ust header files" 4466 fi 4467fi 4468 4469########################################## 4470# For 'dtrace' backend, test if 'dtrace' command is present 4471if have_backend "dtrace"; then 4472 if ! has 'dtrace' ; then 4473 error_exit "dtrace command is not found in PATH $PATH" 4474 fi 4475 trace_backend_stap="no" 4476 if has 'stap' ; then 4477 trace_backend_stap="yes" 4478 4479 # Workaround to avoid dtrace(1) producing a file with 'hidden' symbol 4480 # visibility. Define STAP_SDT_V2 to produce 'default' symbol visibility 4481 # instead. QEMU --enable-modules depends on this because the SystemTap 4482 # semaphores are linked into the main binary and not the module's shared 4483 # object. 4484 QEMU_CFLAGS="$QEMU_CFLAGS -DSTAP_SDT_V2" 4485 fi 4486fi 4487 4488########################################## 4489# check and set a backend for coroutine 4490 4491# We prefer ucontext, but it's not always possible. The fallback 4492# is sigcontext. On Windows the only valid backend is the Windows 4493# specific one. 4494 4495ucontext_works=no 4496if test "$darwin" != "yes"; then 4497 cat > $TMPC << EOF 4498#include <ucontext.h> 4499#ifdef __stub_makecontext 4500#error Ignoring glibc stub makecontext which will always fail 4501#endif 4502int main(void) { makecontext(0, 0, 0); return 0; } 4503EOF 4504 if compile_prog "" "" ; then 4505 ucontext_works=yes 4506 fi 4507fi 4508 4509if test "$coroutine" = ""; then 4510 if test "$mingw32" = "yes"; then 4511 coroutine=win32 4512 elif test "$ucontext_works" = "yes"; then 4513 coroutine=ucontext 4514 else 4515 coroutine=sigaltstack 4516 fi 4517else 4518 case $coroutine in 4519 windows) 4520 if test "$mingw32" != "yes"; then 4521 error_exit "'windows' coroutine backend only valid for Windows" 4522 fi 4523 # Unfortunately the user visible backend name doesn't match the 4524 # coroutine-*.c filename for this case, so we have to adjust it here. 4525 coroutine=win32 4526 ;; 4527 ucontext) 4528 if test "$ucontext_works" != "yes"; then 4529 feature_not_found "ucontext" 4530 fi 4531 ;; 4532 sigaltstack) 4533 if test "$mingw32" = "yes"; then 4534 error_exit "only the 'windows' coroutine backend is valid for Windows" 4535 fi 4536 ;; 4537 *) 4538 error_exit "unknown coroutine backend $coroutine" 4539 ;; 4540 esac 4541fi 4542 4543if test "$coroutine_pool" = ""; then 4544 coroutine_pool=yes 4545fi 4546 4547if test "$debug_stack_usage" = "yes"; then 4548 if test "$coroutine_pool" = "yes"; then 4549 echo "WARN: disabling coroutine pool for stack usage debugging" 4550 coroutine_pool=no 4551 fi 4552fi 4553 4554################################################## 4555# SafeStack 4556 4557 4558if test "$safe_stack" = "yes"; then 4559cat > $TMPC << EOF 4560int main(int argc, char *argv[]) 4561{ 4562#if ! __has_feature(safe_stack) 4563#error SafeStack Disabled 4564#endif 4565 return 0; 4566} 4567EOF 4568 flag="-fsanitize=safe-stack" 4569 # Check that safe-stack is supported and enabled. 4570 if compile_prog "-Werror $flag" "$flag"; then 4571 # Flag needed both at compilation and at linking 4572 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 4573 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 4574 else 4575 error_exit "SafeStack not supported by your compiler" 4576 fi 4577 if test "$coroutine" != "ucontext"; then 4578 error_exit "SafeStack is only supported by the coroutine backend ucontext" 4579 fi 4580else 4581cat > $TMPC << EOF 4582int main(int argc, char *argv[]) 4583{ 4584#if defined(__has_feature) 4585#if __has_feature(safe_stack) 4586#error SafeStack Enabled 4587#endif 4588#endif 4589 return 0; 4590} 4591EOF 4592if test "$safe_stack" = "no"; then 4593 # Make sure that safe-stack is disabled 4594 if ! compile_prog "-Werror" ""; then 4595 # SafeStack was already enabled, try to explicitly remove the feature 4596 flag="-fno-sanitize=safe-stack" 4597 if ! compile_prog "-Werror $flag" "$flag"; then 4598 error_exit "Configure cannot disable SafeStack" 4599 fi 4600 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 4601 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 4602 fi 4603else # "$safe_stack" = "" 4604 # Set safe_stack to yes or no based on pre-existing flags 4605 if compile_prog "-Werror" ""; then 4606 safe_stack="no" 4607 else 4608 safe_stack="yes" 4609 if test "$coroutine" != "ucontext"; then 4610 error_exit "SafeStack is only supported by the coroutine backend ucontext" 4611 fi 4612 fi 4613fi 4614fi 4615 4616########################################## 4617# check if we have open_by_handle_at 4618 4619open_by_handle_at=no 4620cat > $TMPC << EOF 4621#include <fcntl.h> 4622#if !defined(AT_EMPTY_PATH) 4623# error missing definition 4624#else 4625int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); } 4626#endif 4627EOF 4628if compile_prog "" "" ; then 4629 open_by_handle_at=yes 4630fi 4631 4632######################################## 4633# check if we have linux/magic.h 4634 4635linux_magic_h=no 4636cat > $TMPC << EOF 4637#include <linux/magic.h> 4638int main(void) { 4639 return 0; 4640} 4641EOF 4642if compile_prog "" "" ; then 4643 linux_magic_h=yes 4644fi 4645 4646######################################## 4647# check if we have valgrind/valgrind.h 4648 4649valgrind_h=no 4650cat > $TMPC << EOF 4651#include <valgrind/valgrind.h> 4652int main(void) { 4653 return 0; 4654} 4655EOF 4656if compile_prog "" "" ; then 4657 valgrind_h=yes 4658fi 4659 4660######################################## 4661# check if environ is declared 4662 4663has_environ=no 4664cat > $TMPC << EOF 4665#include <unistd.h> 4666int main(void) { 4667 environ = 0; 4668 return 0; 4669} 4670EOF 4671if compile_prog "" "" ; then 4672 has_environ=yes 4673fi 4674 4675######################################## 4676# check if cpuid.h is usable. 4677 4678cat > $TMPC << EOF 4679#include <cpuid.h> 4680int main(void) { 4681 unsigned a, b, c, d; 4682 int max = __get_cpuid_max(0, 0); 4683 4684 if (max >= 1) { 4685 __cpuid(1, a, b, c, d); 4686 } 4687 4688 if (max >= 7) { 4689 __cpuid_count(7, 0, a, b, c, d); 4690 } 4691 4692 return 0; 4693} 4694EOF 4695if compile_prog "" "" ; then 4696 cpuid_h=yes 4697fi 4698 4699########################################## 4700# avx2 optimization requirement check 4701# 4702# There is no point enabling this if cpuid.h is not usable, 4703# since we won't be able to select the new routines. 4704 4705if test "$cpuid_h" = "yes" && test "$avx2_opt" != "no"; then 4706 cat > $TMPC << EOF 4707#pragma GCC push_options 4708#pragma GCC target("avx2") 4709#include <cpuid.h> 4710#include <immintrin.h> 4711static int bar(void *a) { 4712 __m256i x = *(__m256i *)a; 4713 return _mm256_testz_si256(x, x); 4714} 4715int main(int argc, char *argv[]) { return bar(argv[0]); } 4716EOF 4717 if compile_object "" ; then 4718 avx2_opt="yes" 4719 else 4720 avx2_opt="no" 4721 fi 4722fi 4723 4724########################################## 4725# avx512f optimization requirement check 4726# 4727# There is no point enabling this if cpuid.h is not usable, 4728# since we won't be able to select the new routines. 4729# by default, it is turned off. 4730# if user explicitly want to enable it, check environment 4731 4732if test "$cpuid_h" = "yes" && test "$avx512f_opt" = "yes"; then 4733 cat > $TMPC << EOF 4734#pragma GCC push_options 4735#pragma GCC target("avx512f") 4736#include <cpuid.h> 4737#include <immintrin.h> 4738static int bar(void *a) { 4739 __m512i x = *(__m512i *)a; 4740 return _mm512_test_epi64_mask(x, x); 4741} 4742int main(int argc, char *argv[]) 4743{ 4744 return bar(argv[0]); 4745} 4746EOF 4747 if ! compile_object "" ; then 4748 avx512f_opt="no" 4749 fi 4750else 4751 avx512f_opt="no" 4752fi 4753 4754######################################## 4755# check if __[u]int128_t is usable. 4756 4757int128=no 4758cat > $TMPC << EOF 4759__int128_t a; 4760__uint128_t b; 4761int main (void) { 4762 a = a + b; 4763 b = a * b; 4764 a = a * a; 4765 return 0; 4766} 4767EOF 4768if compile_prog "" "" ; then 4769 int128=yes 4770fi 4771 4772######################################### 4773# See if 128-bit atomic operations are supported. 4774 4775atomic128=no 4776if test "$int128" = "yes"; then 4777 cat > $TMPC << EOF 4778int main(void) 4779{ 4780 unsigned __int128 x = 0, y = 0; 4781 y = __atomic_load(&x, 0); 4782 __atomic_store(&x, y, 0); 4783 __atomic_compare_exchange(&x, &y, x, 0, 0, 0); 4784 return 0; 4785} 4786EOF 4787 if compile_prog "" "" ; then 4788 atomic128=yes 4789 fi 4790fi 4791 4792cmpxchg128=no 4793if test "$int128" = yes && test "$atomic128" = no; then 4794 cat > $TMPC << EOF 4795int main(void) 4796{ 4797 unsigned __int128 x = 0, y = 0; 4798 __sync_val_compare_and_swap_16(&x, y, x); 4799 return 0; 4800} 4801EOF 4802 if compile_prog "" "" ; then 4803 cmpxchg128=yes 4804 fi 4805fi 4806 4807######################################### 4808# See if 64-bit atomic operations are supported. 4809# Note that without __atomic builtins, we can only 4810# assume atomic loads/stores max at pointer size. 4811 4812cat > $TMPC << EOF 4813#include <stdint.h> 4814int main(void) 4815{ 4816 uint64_t x = 0, y = 0; 4817#ifdef __ATOMIC_RELAXED 4818 y = __atomic_load_n(&x, __ATOMIC_RELAXED); 4819 __atomic_store_n(&x, y, __ATOMIC_RELAXED); 4820 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED); 4821 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED); 4822 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED); 4823#else 4824 typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1]; 4825 __sync_lock_test_and_set(&x, y); 4826 __sync_val_compare_and_swap(&x, y, 0); 4827 __sync_fetch_and_add(&x, y); 4828#endif 4829 return 0; 4830} 4831EOF 4832if compile_prog "" "" ; then 4833 atomic64=yes 4834fi 4835 4836######################################### 4837# See if --dynamic-list is supported by the linker 4838ld_dynamic_list="no" 4839if test "$static" = "no" ; then 4840 cat > $TMPTXT <<EOF 4841{ 4842 foo; 4843}; 4844EOF 4845 4846 cat > $TMPC <<EOF 4847#include <stdio.h> 4848void foo(void); 4849 4850void foo(void) 4851{ 4852 printf("foo\n"); 4853} 4854 4855int main(void) 4856{ 4857 foo(); 4858 return 0; 4859} 4860EOF 4861 4862 if compile_prog "" "-Wl,--dynamic-list=$TMPTXT" ; then 4863 ld_dynamic_list="yes" 4864 fi 4865fi 4866 4867######################################### 4868# See if -exported_symbols_list is supported by the linker 4869 4870ld_exported_symbols_list="no" 4871if test "$static" = "no" ; then 4872 cat > $TMPTXT <<EOF 4873 _foo 4874EOF 4875 4876 if compile_prog "" "-Wl,-exported_symbols_list,$TMPTXT" ; then 4877 ld_exported_symbols_list="yes" 4878 fi 4879fi 4880 4881if test "$plugins" = "yes" && 4882 test "$ld_dynamic_list" = "no" && 4883 test "$ld_exported_symbols_list" = "no" ; then 4884 error_exit \ 4885 "Plugin support requires dynamic linking and specifying a set of symbols " \ 4886 "that are exported to plugins. Unfortunately your linker doesn't " \ 4887 "support the flag (--dynamic-list or -exported_symbols_list) used " \ 4888 "for this purpose. You can't build with --static." 4889fi 4890 4891######################################## 4892# check if getauxval is available. 4893 4894getauxval=no 4895cat > $TMPC << EOF 4896#include <sys/auxv.h> 4897int main(void) { 4898 return getauxval(AT_HWCAP) == 0; 4899} 4900EOF 4901if compile_prog "" "" ; then 4902 getauxval=yes 4903fi 4904 4905######################################## 4906# check if ccache is interfering with 4907# semantic analysis of macros 4908 4909unset CCACHE_CPP2 4910ccache_cpp2=no 4911cat > $TMPC << EOF 4912static const int Z = 1; 4913#define fn() ({ Z; }) 4914#define TAUT(X) ((X) == Z) 4915#define PAREN(X, Y) (X == Y) 4916#define ID(X) (X) 4917int main(int argc, char *argv[]) 4918{ 4919 int x = 0, y = 0; 4920 x = ID(x); 4921 x = fn(); 4922 fn(); 4923 if (PAREN(x, y)) return 0; 4924 if (TAUT(Z)) return 0; 4925 return 0; 4926} 4927EOF 4928 4929if ! compile_object "-Werror"; then 4930 ccache_cpp2=yes 4931fi 4932 4933################################################# 4934# clang does not support glibc + FORTIFY_SOURCE. 4935 4936if test "$fortify_source" != "no"; then 4937 if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then 4938 fortify_source="no"; 4939 elif test -n "$cxx" && has $cxx && 4940 echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then 4941 fortify_source="no"; 4942 else 4943 fortify_source="yes" 4944 fi 4945fi 4946 4947############################################### 4948# Check if copy_file_range is provided by glibc 4949have_copy_file_range=no 4950cat > $TMPC << EOF 4951#include <unistd.h> 4952int main(void) { 4953 copy_file_range(0, NULL, 0, NULL, 0, 0); 4954 return 0; 4955} 4956EOF 4957if compile_prog "" "" ; then 4958 have_copy_file_range=yes 4959fi 4960 4961########################################## 4962# check if struct fsxattr is available via linux/fs.h 4963 4964have_fsxattr=no 4965cat > $TMPC << EOF 4966#include <linux/fs.h> 4967struct fsxattr foo; 4968int main(void) { 4969 return 0; 4970} 4971EOF 4972if compile_prog "" "" ; then 4973 have_fsxattr=yes 4974fi 4975 4976########################################## 4977# check for usable membarrier system call 4978if test "$membarrier" = "yes"; then 4979 have_membarrier=no 4980 if test "$mingw32" = "yes" ; then 4981 have_membarrier=yes 4982 elif test "$linux" = "yes" ; then 4983 cat > $TMPC << EOF 4984 #include <linux/membarrier.h> 4985 #include <sys/syscall.h> 4986 #include <unistd.h> 4987 #include <stdlib.h> 4988 int main(void) { 4989 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0); 4990 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0); 4991 exit(0); 4992 } 4993EOF 4994 if compile_prog "" "" ; then 4995 have_membarrier=yes 4996 fi 4997 fi 4998 if test "$have_membarrier" = "no"; then 4999 feature_not_found "membarrier" "membarrier system call not available" 5000 fi 5001else 5002 # Do not enable it by default even for Mingw32, because it doesn't 5003 # work on Wine. 5004 membarrier=no 5005fi 5006 5007########################################## 5008# check if rtnetlink.h exists and is useful 5009have_rtnetlink=no 5010cat > $TMPC << EOF 5011#include <linux/rtnetlink.h> 5012int main(void) { 5013 return IFLA_PROTO_DOWN; 5014} 5015EOF 5016if compile_prog "" "" ; then 5017 have_rtnetlink=yes 5018fi 5019 5020########################################## 5021# check for usable AF_VSOCK environment 5022have_af_vsock=no 5023cat > $TMPC << EOF 5024#include <errno.h> 5025#include <sys/types.h> 5026#include <sys/socket.h> 5027#if !defined(AF_VSOCK) 5028# error missing AF_VSOCK flag 5029#endif 5030#include <linux/vm_sockets.h> 5031int main(void) { 5032 int sock, ret; 5033 struct sockaddr_vm svm; 5034 socklen_t len = sizeof(svm); 5035 sock = socket(AF_VSOCK, SOCK_STREAM, 0); 5036 ret = getpeername(sock, (struct sockaddr *)&svm, &len); 5037 if ((ret == -1) && (errno == ENOTCONN)) { 5038 return 0; 5039 } 5040 return -1; 5041} 5042EOF 5043if compile_prog "" "" ; then 5044 have_af_vsock=yes 5045fi 5046 5047########################################## 5048# check for usable AF_ALG environment 5049have_afalg=no 5050cat > $TMPC << EOF 5051#include <errno.h> 5052#include <sys/types.h> 5053#include <sys/socket.h> 5054#include <linux/if_alg.h> 5055int main(void) { 5056 int sock; 5057 sock = socket(AF_ALG, SOCK_SEQPACKET, 0); 5058 return sock; 5059} 5060EOF 5061if compile_prog "" "" ; then 5062 have_afalg=yes 5063fi 5064if test "$crypto_afalg" = "yes" 5065then 5066 if test "$have_afalg" != "yes" 5067 then 5068 error_exit "AF_ALG requested but could not be detected" 5069 fi 5070fi 5071 5072 5073################################################# 5074# check for sysmacros.h 5075 5076have_sysmacros=no 5077cat > $TMPC << EOF 5078#include <sys/sysmacros.h> 5079int main(void) { 5080 return makedev(0, 0); 5081} 5082EOF 5083if compile_prog "" "" ; then 5084 have_sysmacros=yes 5085fi 5086 5087########################################## 5088# check for _Static_assert() 5089 5090have_static_assert=no 5091cat > $TMPC << EOF 5092_Static_assert(1, "success"); 5093int main(void) { 5094 return 0; 5095} 5096EOF 5097if compile_prog "" "" ; then 5098 have_static_assert=yes 5099fi 5100 5101########################################## 5102# check for utmpx.h, it is missing e.g. on OpenBSD 5103 5104have_utmpx=no 5105cat > $TMPC << EOF 5106#include <utmpx.h> 5107struct utmpx user_info; 5108int main(void) { 5109 return 0; 5110} 5111EOF 5112if compile_prog "" "" ; then 5113 have_utmpx=yes 5114fi 5115 5116########################################## 5117# check for getrandom() 5118 5119have_getrandom=no 5120cat > $TMPC << EOF 5121#include <sys/random.h> 5122int main(void) { 5123 return getrandom(0, 0, GRND_NONBLOCK); 5124} 5125EOF 5126if compile_prog "" "" ; then 5127 have_getrandom=yes 5128fi 5129 5130########################################## 5131# checks for sanitizers 5132 5133have_asan=no 5134have_ubsan=no 5135have_asan_iface_h=no 5136have_asan_iface_fiber=no 5137 5138if test "$sanitizers" = "yes" ; then 5139 write_c_skeleton 5140 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then 5141 have_asan=yes 5142 fi 5143 5144 # we could use a simple skeleton for flags checks, but this also 5145 # detect the static linking issue of ubsan, see also: 5146 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285 5147 cat > $TMPC << EOF 5148#include <stdlib.h> 5149int main(void) { 5150 void *tmp = malloc(10); 5151 if (tmp != NULL) { 5152 return *(int *)(tmp + 2); 5153 } 5154 return 1; 5155} 5156EOF 5157 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then 5158 have_ubsan=yes 5159 fi 5160 5161 if check_include "sanitizer/asan_interface.h" ; then 5162 have_asan_iface_h=yes 5163 fi 5164 5165 cat > $TMPC << EOF 5166#include <sanitizer/asan_interface.h> 5167int main(void) { 5168 __sanitizer_start_switch_fiber(0, 0, 0); 5169 return 0; 5170} 5171EOF 5172 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then 5173 have_asan_iface_fiber=yes 5174 fi 5175fi 5176 5177########################################## 5178# checks for fuzzer 5179if test "$fuzzing" = "yes" && test -z "${LIB_FUZZING_ENGINE+xxx}"; then 5180 write_c_fuzzer_skeleton 5181 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=fuzzer" ""; then 5182 have_fuzzer=yes 5183 else 5184 error_exit "Your compiler doesn't support -fsanitize=fuzzer" 5185 exit 1 5186 fi 5187fi 5188 5189# Thread sanitizer is, for now, much noisier than the other sanitizers; 5190# keep it separate until that is not the case. 5191if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then 5192 error_exit "TSAN is not supported with other sanitiziers." 5193fi 5194have_tsan=no 5195have_tsan_iface_fiber=no 5196if test "$tsan" = "yes" ; then 5197 write_c_skeleton 5198 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then 5199 have_tsan=yes 5200 fi 5201 cat > $TMPC << EOF 5202#include <sanitizer/tsan_interface.h> 5203int main(void) { 5204 __tsan_create_fiber(0); 5205 return 0; 5206} 5207EOF 5208 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then 5209 have_tsan_iface_fiber=yes 5210 fi 5211fi 5212 5213########################################## 5214# check for libpmem 5215 5216if test "$libpmem" != "no"; then 5217 if $pkg_config --exists "libpmem"; then 5218 libpmem="yes" 5219 libpmem_libs=$($pkg_config --libs libpmem) 5220 libpmem_cflags=$($pkg_config --cflags libpmem) 5221 else 5222 if test "$libpmem" = "yes" ; then 5223 feature_not_found "libpmem" "Install nvml or pmdk" 5224 fi 5225 libpmem="no" 5226 fi 5227fi 5228 5229########################################## 5230# check for libdaxctl 5231 5232if test "$libdaxctl" != "no"; then 5233 if $pkg_config --atleast-version=57 "libdaxctl"; then 5234 libdaxctl="yes" 5235 libdaxctl_libs=$($pkg_config --libs libdaxctl) 5236 libdaxctl_cflags=$($pkg_config --cflags libdaxctl) 5237 else 5238 if test "$libdaxctl" = "yes" ; then 5239 feature_not_found "libdaxctl" "Install libdaxctl" 5240 fi 5241 libdaxctl="no" 5242 fi 5243fi 5244 5245########################################## 5246# check for slirp 5247 5248case "$slirp" in 5249 auto | enabled | internal) 5250 # Simpler to always update submodule, even if not needed. 5251 git_submodules="${git_submodules} slirp" 5252 ;; 5253esac 5254 5255# Check for slirp smbd dupport 5256: ${smbd=${SMBD-/usr/sbin/smbd}} 5257if test "$slirp_smbd" != "no" ; then 5258 if test "$mingw32" = "yes" ; then 5259 if test "$slirp_smbd" = "yes" ; then 5260 error_exit "Host smbd not supported on this platform." 5261 fi 5262 slirp_smbd=no 5263 else 5264 slirp_smbd=yes 5265 fi 5266fi 5267 5268########################################## 5269# check for usable __NR_keyctl syscall 5270 5271if test "$linux" = "yes" ; then 5272 5273 have_keyring=no 5274 cat > $TMPC << EOF 5275#include <errno.h> 5276#include <asm/unistd.h> 5277#include <linux/keyctl.h> 5278#include <unistd.h> 5279int main(void) { 5280 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0); 5281} 5282EOF 5283 if compile_prog "" "" ; then 5284 have_keyring=yes 5285 fi 5286fi 5287if test "$secret_keyring" != "no" 5288then 5289 if test "$have_keyring" = "yes" 5290 then 5291 secret_keyring=yes 5292 else 5293 if test "$secret_keyring" = "yes" 5294 then 5295 error_exit "syscall __NR_keyctl requested, \ 5296but not implemented on your system" 5297 else 5298 secret_keyring=no 5299 fi 5300 fi 5301fi 5302 5303########################################## 5304# End of CC checks 5305# After here, no more $cc or $ld runs 5306 5307write_c_skeleton 5308 5309if test "$gcov" = "yes" ; then 5310 : 5311elif test "$fortify_source" = "yes" ; then 5312 QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS" 5313 debug=no 5314fi 5315 5316case "$ARCH" in 5317alpha) 5318 # Ensure there's only a single GP 5319 QEMU_CFLAGS="-msmall-data $QEMU_CFLAGS" 5320;; 5321esac 5322 5323if test "$gprof" = "yes" ; then 5324 QEMU_CFLAGS="-p $QEMU_CFLAGS" 5325 QEMU_LDFLAGS="-p $QEMU_LDFLAGS" 5326fi 5327 5328if test "$have_asan" = "yes"; then 5329 QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS" 5330 QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS" 5331 if test "$have_asan_iface_h" = "no" ; then 5332 echo "ASAN build enabled, but ASAN header missing." \ 5333 "Without code annotation, the report may be inferior." 5334 elif test "$have_asan_iface_fiber" = "no" ; then 5335 echo "ASAN build enabled, but ASAN header is too old." \ 5336 "Without code annotation, the report may be inferior." 5337 fi 5338fi 5339if test "$have_tsan" = "yes" ; then 5340 if test "$have_tsan_iface_fiber" = "yes" ; then 5341 QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS" 5342 QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS" 5343 else 5344 error_exit "Cannot enable TSAN due to missing fiber annotation interface." 5345 fi 5346elif test "$tsan" = "yes" ; then 5347 error_exit "Cannot enable TSAN due to missing sanitize thread interface." 5348fi 5349if test "$have_ubsan" = "yes"; then 5350 QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS" 5351 QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS" 5352fi 5353 5354########################################## 5355 5356# Exclude --warn-common with TSan to suppress warnings from the TSan libraries. 5357if test "$solaris" = "no" && test "$tsan" = "no"; then 5358 if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then 5359 QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS" 5360 fi 5361fi 5362 5363# Use ASLR, no-SEH and DEP if available 5364if test "$mingw32" = "yes" ; then 5365 flags="--no-seh --nxcompat" 5366 5367 # Disable ASLR for debug builds to allow debugging with gdb 5368 if test "$debug" = "no" ; then 5369 flags="--dynamicbase $flags" 5370 fi 5371 5372 for flag in $flags; do 5373 if ld_has $flag ; then 5374 QEMU_LDFLAGS="-Wl,$flag $QEMU_LDFLAGS" 5375 fi 5376 done 5377fi 5378 5379# We can only support ivshmem if we have eventfd 5380if [ "$eventfd" = "yes" ]; then 5381 ivshmem=yes 5382fi 5383 5384# Probe for guest agent support/options 5385 5386if [ "$guest_agent" != "no" ]; then 5387 if [ "$softmmu" = no -a "$want_tools" = no ] ; then 5388 guest_agent=no 5389 elif [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then 5390 guest_agent=yes 5391 elif [ "$guest_agent" != yes ]; then 5392 guest_agent=no 5393 else 5394 error_exit "Guest agent is not supported on this platform" 5395 fi 5396fi 5397 5398# Guest agent Windows MSI package 5399 5400if test "$QEMU_GA_MANUFACTURER" = ""; then 5401 QEMU_GA_MANUFACTURER=QEMU 5402fi 5403if test "$QEMU_GA_DISTRO" = ""; then 5404 QEMU_GA_DISTRO=Linux 5405fi 5406if test "$QEMU_GA_VERSION" = ""; then 5407 QEMU_GA_VERSION=$(cat $source_path/VERSION) 5408fi 5409 5410QEMU_GA_MSI_MINGW_DLL_PATH="$($pkg_config --variable=prefix glib-2.0)/bin" 5411 5412# Mac OS X ships with a broken assembler 5413roms= 5414if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \ 5415 test "$targetos" != "Darwin" && test "$targetos" != "SunOS" && \ 5416 test "$targetos" != "Haiku" && test "$softmmu" = yes ; then 5417 # Different host OS linkers have different ideas about the name of the ELF 5418 # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd 5419 # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe. 5420 for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do 5421 if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then 5422 ld_i386_emulation="$emu" 5423 roms="optionrom" 5424 break 5425 fi 5426 done 5427fi 5428 5429# Only build s390-ccw bios if we're on s390x and the compiler has -march=z900 5430# or -march=z10 (which is the lowest architecture level that Clang supports) 5431if test "$cpu" = "s390x" ; then 5432 write_c_skeleton 5433 compile_prog "-march=z900" "" 5434 has_z900=$? 5435 if [ $has_z900 = 0 ] || compile_prog "-march=z10" ""; then 5436 if [ $has_z900 != 0 ]; then 5437 echo "WARNING: Your compiler does not support the z900!" 5438 echo " The s390-ccw bios will only work with guest CPUs >= z10." 5439 fi 5440 roms="$roms s390-ccw" 5441 # SLOF is required for building the s390-ccw firmware on s390x, 5442 # since it is using the libnet code from SLOF for network booting. 5443 git_submodules="${git_submodules} roms/SLOF" 5444 fi 5445fi 5446 5447# Check that the C++ compiler exists and works with the C compiler. 5448# All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added. 5449if has $cxx; then 5450 cat > $TMPC <<EOF 5451int c_function(void); 5452int main(void) { return c_function(); } 5453EOF 5454 5455 compile_object 5456 5457 cat > $TMPCXX <<EOF 5458extern "C" { 5459 int c_function(void); 5460} 5461int c_function(void) { return 42; } 5462EOF 5463 5464 update_cxxflags 5465 5466 if do_cxx $CXXFLAGS $CONFIGURE_CXXFLAGS $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then 5467 # C++ compiler $cxx works ok with C compiler $cc 5468 : 5469 else 5470 echo "C++ compiler $cxx does not work with C compiler $cc" 5471 echo "Disabling C++ specific optional code" 5472 cxx= 5473 fi 5474else 5475 echo "No C++ compiler available; disabling C++ specific optional code" 5476 cxx= 5477fi 5478 5479if !(GIT="$git" "$source_path/scripts/git-submodule.sh" "$git_submodules_action" "$git_submodules"); then 5480 exit 1 5481fi 5482 5483config_host_mak="config-host.mak" 5484 5485echo "# Automatically generated by configure - do not modify" > $config_host_mak 5486echo >> $config_host_mak 5487 5488echo all: >> $config_host_mak 5489echo "GIT=$git" >> $config_host_mak 5490echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak 5491echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_host_mak 5492 5493echo "ARCH=$ARCH" >> $config_host_mak 5494 5495if test "$debug_tcg" = "yes" ; then 5496 echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak 5497fi 5498if test "$strip_opt" = "yes" ; then 5499 echo "STRIP=${strip}" >> $config_host_mak 5500fi 5501if test "$bigendian" = "yes" ; then 5502 echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak 5503fi 5504if test "$mingw32" = "yes" ; then 5505 echo "CONFIG_WIN32=y" >> $config_host_mak 5506 if test "$guest_agent_with_vss" = "yes" ; then 5507 echo "CONFIG_QGA_VSS=y" >> $config_host_mak 5508 echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak 5509 echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak 5510 fi 5511 if test "$guest_agent_ntddscsi" = "yes" ; then 5512 echo "CONFIG_QGA_NTDDSCSI=y" >> $config_host_mak 5513 fi 5514 echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak 5515 echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak 5516 echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak 5517 echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak 5518else 5519 echo "CONFIG_POSIX=y" >> $config_host_mak 5520fi 5521 5522if test "$linux" = "yes" ; then 5523 echo "CONFIG_LINUX=y" >> $config_host_mak 5524fi 5525 5526if test "$darwin" = "yes" ; then 5527 echo "CONFIG_DARWIN=y" >> $config_host_mak 5528fi 5529 5530if test "$solaris" = "yes" ; then 5531 echo "CONFIG_SOLARIS=y" >> $config_host_mak 5532fi 5533if test "$haiku" = "yes" ; then 5534 echo "CONFIG_HAIKU=y" >> $config_host_mak 5535fi 5536if test "$static" = "yes" ; then 5537 echo "CONFIG_STATIC=y" >> $config_host_mak 5538fi 5539if test "$profiler" = "yes" ; then 5540 echo "CONFIG_PROFILER=y" >> $config_host_mak 5541fi 5542if test "$want_tools" = "yes" ; then 5543 echo "CONFIG_TOOLS=y" >> $config_host_mak 5544fi 5545if test "$guest_agent" = "yes" ; then 5546 echo "CONFIG_GUEST_AGENT=y" >> $config_host_mak 5547fi 5548if test "$slirp_smbd" = "yes" ; then 5549 echo "CONFIG_SLIRP_SMBD=y" >> $config_host_mak 5550 echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak 5551fi 5552if test "$vde" = "yes" ; then 5553 echo "CONFIG_VDE=y" >> $config_host_mak 5554 echo "VDE_LIBS=$vde_libs" >> $config_host_mak 5555fi 5556if test "$netmap" = "yes" ; then 5557 echo "CONFIG_NETMAP=y" >> $config_host_mak 5558fi 5559if test "$l2tpv3" = "yes" ; then 5560 echo "CONFIG_L2TPV3=y" >> $config_host_mak 5561fi 5562if test "$gprof" = "yes" ; then 5563 echo "CONFIG_GPROF=y" >> $config_host_mak 5564fi 5565echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak 5566for drv in $audio_drv_list; do 5567 def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]') 5568 echo "$def=y" >> $config_host_mak 5569done 5570if test "$alsa" = "yes" ; then 5571 echo "CONFIG_ALSA=y" >> $config_host_mak 5572fi 5573echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak 5574echo "ALSA_CFLAGS=$alsa_cflags" >> $config_host_mak 5575if test "$libpulse" = "yes" ; then 5576 echo "CONFIG_LIBPULSE=y" >> $config_host_mak 5577fi 5578echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak 5579echo "PULSE_CFLAGS=$pulse_cflags" >> $config_host_mak 5580echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak 5581echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak 5582echo "OSS_LIBS=$oss_libs" >> $config_host_mak 5583if test "$libjack" = "yes" ; then 5584 echo "CONFIG_LIBJACK=y" >> $config_host_mak 5585fi 5586echo "JACK_LIBS=$jack_libs" >> $config_host_mak 5587if test "$audio_win_int" = "yes" ; then 5588 echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak 5589fi 5590echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak 5591echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak 5592if test "$xfs" = "yes" ; then 5593 echo "CONFIG_XFS=y" >> $config_host_mak 5594fi 5595qemu_version=$(head $source_path/VERSION) 5596echo "PKGVERSION=$pkgversion" >>$config_host_mak 5597echo "SRC_PATH=$source_path" >> $config_host_mak 5598echo "TARGET_DIRS=$target_list" >> $config_host_mak 5599if test "$modules" = "yes"; then 5600 # $shacmd can generate a hash started with digit, which the compiler doesn't 5601 # like as an symbol. So prefix it with an underscore 5602 echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak 5603 echo "CONFIG_MODULES=y" >> $config_host_mak 5604fi 5605if test "$module_upgrades" = "yes"; then 5606 echo "CONFIG_MODULE_UPGRADES=y" >> $config_host_mak 5607fi 5608if test "$pipe2" = "yes" ; then 5609 echo "CONFIG_PIPE2=y" >> $config_host_mak 5610fi 5611if test "$accept4" = "yes" ; then 5612 echo "CONFIG_ACCEPT4=y" >> $config_host_mak 5613fi 5614if test "$splice" = "yes" ; then 5615 echo "CONFIG_SPLICE=y" >> $config_host_mak 5616fi 5617if test "$eventfd" = "yes" ; then 5618 echo "CONFIG_EVENTFD=y" >> $config_host_mak 5619fi 5620if test "$memfd" = "yes" ; then 5621 echo "CONFIG_MEMFD=y" >> $config_host_mak 5622fi 5623if test "$have_usbfs" = "yes" ; then 5624 echo "CONFIG_USBFS=y" >> $config_host_mak 5625fi 5626if test "$fallocate" = "yes" ; then 5627 echo "CONFIG_FALLOCATE=y" >> $config_host_mak 5628fi 5629if test "$fallocate_punch_hole" = "yes" ; then 5630 echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak 5631fi 5632if test "$fallocate_zero_range" = "yes" ; then 5633 echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak 5634fi 5635if test "$posix_fallocate" = "yes" ; then 5636 echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak 5637fi 5638if test "$sync_file_range" = "yes" ; then 5639 echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak 5640fi 5641if test "$fiemap" = "yes" ; then 5642 echo "CONFIG_FIEMAP=y" >> $config_host_mak 5643fi 5644if test "$dup3" = "yes" ; then 5645 echo "CONFIG_DUP3=y" >> $config_host_mak 5646fi 5647if test "$ppoll" = "yes" ; then 5648 echo "CONFIG_PPOLL=y" >> $config_host_mak 5649fi 5650if test "$prctl_pr_set_timerslack" = "yes" ; then 5651 echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak 5652fi 5653if test "$epoll" = "yes" ; then 5654 echo "CONFIG_EPOLL=y" >> $config_host_mak 5655fi 5656if test "$epoll_create1" = "yes" ; then 5657 echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak 5658fi 5659if test "$sendfile" = "yes" ; then 5660 echo "CONFIG_SENDFILE=y" >> $config_host_mak 5661fi 5662if test "$timerfd" = "yes" ; then 5663 echo "CONFIG_TIMERFD=y" >> $config_host_mak 5664fi 5665if test "$setns" = "yes" ; then 5666 echo "CONFIG_SETNS=y" >> $config_host_mak 5667fi 5668if test "$clock_adjtime" = "yes" ; then 5669 echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak 5670fi 5671if test "$syncfs" = "yes" ; then 5672 echo "CONFIG_SYNCFS=y" >> $config_host_mak 5673fi 5674if test "$inotify" = "yes" ; then 5675 echo "CONFIG_INOTIFY=y" >> $config_host_mak 5676fi 5677if test "$inotify1" = "yes" ; then 5678 echo "CONFIG_INOTIFY1=y" >> $config_host_mak 5679fi 5680if test "$sem_timedwait" = "yes" ; then 5681 echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak 5682fi 5683if test "$strchrnul" = "yes" ; then 5684 echo "HAVE_STRCHRNUL=y" >> $config_host_mak 5685fi 5686if test "$st_atim" = "yes" ; then 5687 echo "HAVE_STRUCT_STAT_ST_ATIM=y" >> $config_host_mak 5688fi 5689if test "$byteswap_h" = "yes" ; then 5690 echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak 5691fi 5692if test "$bswap_h" = "yes" ; then 5693 echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak 5694fi 5695if test "$gio" = "yes" ; then 5696 echo "CONFIG_GIO=y" >> $config_host_mak 5697 echo "GIO_CFLAGS=$gio_cflags" >> $config_host_mak 5698 echo "GIO_LIBS=$gio_libs" >> $config_host_mak 5699fi 5700if test "$gdbus_codegen" != "" ; then 5701 echo "GDBUS_CODEGEN=$gdbus_codegen" >> $config_host_mak 5702fi 5703echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak 5704if test "$gnutls" = "yes" ; then 5705 echo "CONFIG_GNUTLS=y" >> $config_host_mak 5706 echo "GNUTLS_CFLAGS=$gnutls_cflags" >> $config_host_mak 5707 echo "GNUTLS_LIBS=$gnutls_libs" >> $config_host_mak 5708fi 5709if test "$gcrypt" = "yes" ; then 5710 echo "CONFIG_GCRYPT=y" >> $config_host_mak 5711 echo "GCRYPT_CFLAGS=$gcrypt_cflags" >> $config_host_mak 5712 echo "GCRYPT_LIBS=$gcrypt_libs" >> $config_host_mak 5713fi 5714if test "$nettle" = "yes" ; then 5715 echo "CONFIG_NETTLE=y" >> $config_host_mak 5716 echo "NETTLE_CFLAGS=$nettle_cflags" >> $config_host_mak 5717 echo "NETTLE_LIBS=$nettle_libs" >> $config_host_mak 5718fi 5719if test "$qemu_private_xts" = "yes" ; then 5720 echo "CONFIG_QEMU_PRIVATE_XTS=y" >> $config_host_mak 5721fi 5722if test "$tasn1" = "yes" ; then 5723 echo "CONFIG_TASN1=y" >> $config_host_mak 5724fi 5725if test "$auth_pam" = "yes" ; then 5726 echo "CONFIG_AUTH_PAM=y" >> $config_host_mak 5727fi 5728if test "$have_broken_size_max" = "yes" ; then 5729 echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak 5730fi 5731if test "$have_openpty" = "yes" ; then 5732 echo "HAVE_OPENPTY=y" >> $config_host_mak 5733fi 5734 5735# Work around a system header bug with some kernel/XFS header 5736# versions where they both try to define 'struct fsxattr': 5737# xfs headers will not try to redefine structs from linux headers 5738# if this macro is set. 5739if test "$have_fsxattr" = "yes" ; then 5740 echo "HAVE_FSXATTR=y" >> $config_host_mak 5741fi 5742if test "$have_copy_file_range" = "yes" ; then 5743 echo "HAVE_COPY_FILE_RANGE=y" >> $config_host_mak 5744fi 5745if test "$vte" = "yes" ; then 5746 echo "CONFIG_VTE=y" >> $config_host_mak 5747 echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak 5748 echo "VTE_LIBS=$vte_libs" >> $config_host_mak 5749fi 5750if test "$virglrenderer" = "yes" ; then 5751 echo "CONFIG_VIRGL=y" >> $config_host_mak 5752 echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak 5753 echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak 5754fi 5755if test "$xen" = "enabled" ; then 5756 echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak 5757 echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak 5758 echo "XEN_CFLAGS=$xen_cflags" >> $config_host_mak 5759 echo "XEN_LIBS=$xen_libs" >> $config_host_mak 5760fi 5761if test "$linux_aio" = "yes" ; then 5762 echo "CONFIG_LINUX_AIO=y" >> $config_host_mak 5763fi 5764if test "$linux_io_uring" = "yes" ; then 5765 echo "CONFIG_LINUX_IO_URING=y" >> $config_host_mak 5766 echo "LINUX_IO_URING_CFLAGS=$linux_io_uring_cflags" >> $config_host_mak 5767 echo "LINUX_IO_URING_LIBS=$linux_io_uring_libs" >> $config_host_mak 5768fi 5769if test "$vhost_scsi" = "yes" ; then 5770 echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak 5771fi 5772if test "$vhost_net" = "yes" ; then 5773 echo "CONFIG_VHOST_NET=y" >> $config_host_mak 5774fi 5775if test "$vhost_net_user" = "yes" ; then 5776 echo "CONFIG_VHOST_NET_USER=y" >> $config_host_mak 5777fi 5778if test "$vhost_net_vdpa" = "yes" ; then 5779 echo "CONFIG_VHOST_NET_VDPA=y" >> $config_host_mak 5780fi 5781if test "$vhost_crypto" = "yes" ; then 5782 echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak 5783fi 5784if test "$vhost_vsock" = "yes" ; then 5785 echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak 5786 if test "$vhost_user" = "yes" ; then 5787 echo "CONFIG_VHOST_USER_VSOCK=y" >> $config_host_mak 5788 fi 5789fi 5790if test "$vhost_kernel" = "yes" ; then 5791 echo "CONFIG_VHOST_KERNEL=y" >> $config_host_mak 5792fi 5793if test "$vhost_user" = "yes" ; then 5794 echo "CONFIG_VHOST_USER=y" >> $config_host_mak 5795fi 5796if test "$vhost_vdpa" = "yes" ; then 5797 echo "CONFIG_VHOST_VDPA=y" >> $config_host_mak 5798fi 5799if test "$vhost_user_fs" = "yes" ; then 5800 echo "CONFIG_VHOST_USER_FS=y" >> $config_host_mak 5801fi 5802if test "$iovec" = "yes" ; then 5803 echo "CONFIG_IOVEC=y" >> $config_host_mak 5804fi 5805if test "$membarrier" = "yes" ; then 5806 echo "CONFIG_MEMBARRIER=y" >> $config_host_mak 5807fi 5808if test "$signalfd" = "yes" ; then 5809 echo "CONFIG_SIGNALFD=y" >> $config_host_mak 5810fi 5811if test "$optreset" = "yes" ; then 5812 echo "HAVE_OPTRESET=y" >> $config_host_mak 5813fi 5814if test "$fdatasync" = "yes" ; then 5815 echo "CONFIG_FDATASYNC=y" >> $config_host_mak 5816fi 5817if test "$madvise" = "yes" ; then 5818 echo "CONFIG_MADVISE=y" >> $config_host_mak 5819fi 5820if test "$posix_madvise" = "yes" ; then 5821 echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak 5822fi 5823if test "$posix_memalign" = "yes" ; then 5824 echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak 5825fi 5826 5827if test "$spice_protocol" = "yes" ; then 5828 echo "CONFIG_SPICE_PROTOCOL=y" >> $config_host_mak 5829 echo "SPICE_PROTOCOL_CFLAGS=$spice_protocol_cflags" >> $config_host_mak 5830fi 5831if test "$spice" = "yes" ; then 5832 echo "CONFIG_SPICE=y" >> $config_host_mak 5833 echo "SPICE_CFLAGS=$spice_cflags $spice_protocol_cflags" >> $config_host_mak 5834 echo "SPICE_LIBS=$spice_libs" >> $config_host_mak 5835fi 5836 5837if test "$smartcard" = "yes" ; then 5838 echo "CONFIG_SMARTCARD=y" >> $config_host_mak 5839 echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak 5840 echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak 5841fi 5842 5843if test "$libusb" = "yes" ; then 5844 echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak 5845 echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak 5846 echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak 5847fi 5848 5849if test "$usb_redir" = "yes" ; then 5850 echo "CONFIG_USB_REDIR=y" >> $config_host_mak 5851 echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak 5852 echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak 5853fi 5854 5855if test "$opengl" = "yes" ; then 5856 echo "CONFIG_OPENGL=y" >> $config_host_mak 5857 echo "OPENGL_CFLAGS=$opengl_cflags" >> $config_host_mak 5858 echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak 5859fi 5860 5861if test "$gbm" = "yes" ; then 5862 echo "CONFIG_GBM=y" >> $config_host_mak 5863 echo "GBM_LIBS=$gbm_libs" >> $config_host_mak 5864 echo "GBM_CFLAGS=$gbm_cflags" >> $config_host_mak 5865fi 5866 5867 5868if test "$avx2_opt" = "yes" ; then 5869 echo "CONFIG_AVX2_OPT=y" >> $config_host_mak 5870fi 5871 5872if test "$avx512f_opt" = "yes" ; then 5873 echo "CONFIG_AVX512F_OPT=y" >> $config_host_mak 5874fi 5875 5876# XXX: suppress that 5877if [ "$bsd" = "yes" ] ; then 5878 echo "CONFIG_BSD=y" >> $config_host_mak 5879fi 5880 5881if test "$qom_cast_debug" = "yes" ; then 5882 echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak 5883fi 5884 5885echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak 5886if test "$coroutine_pool" = "yes" ; then 5887 echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak 5888else 5889 echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak 5890fi 5891 5892if test "$debug_stack_usage" = "yes" ; then 5893 echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak 5894fi 5895 5896if test "$crypto_afalg" = "yes" ; then 5897 echo "CONFIG_AF_ALG=y" >> $config_host_mak 5898fi 5899 5900if test "$open_by_handle_at" = "yes" ; then 5901 echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak 5902fi 5903 5904if test "$linux_magic_h" = "yes" ; then 5905 echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak 5906fi 5907 5908if test "$valgrind_h" = "yes" ; then 5909 echo "CONFIG_VALGRIND_H=y" >> $config_host_mak 5910fi 5911 5912if test "$have_asan_iface_fiber" = "yes" ; then 5913 echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak 5914fi 5915 5916if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then 5917 echo "CONFIG_TSAN=y" >> $config_host_mak 5918fi 5919 5920if test "$has_environ" = "yes" ; then 5921 echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak 5922fi 5923 5924if test "$cpuid_h" = "yes" ; then 5925 echo "CONFIG_CPUID_H=y" >> $config_host_mak 5926fi 5927 5928if test "$int128" = "yes" ; then 5929 echo "CONFIG_INT128=y" >> $config_host_mak 5930fi 5931 5932if test "$atomic128" = "yes" ; then 5933 echo "CONFIG_ATOMIC128=y" >> $config_host_mak 5934fi 5935 5936if test "$cmpxchg128" = "yes" ; then 5937 echo "CONFIG_CMPXCHG128=y" >> $config_host_mak 5938fi 5939 5940if test "$atomic64" = "yes" ; then 5941 echo "CONFIG_ATOMIC64=y" >> $config_host_mak 5942fi 5943 5944if test "$getauxval" = "yes" ; then 5945 echo "CONFIG_GETAUXVAL=y" >> $config_host_mak 5946fi 5947 5948if test "$libssh" = "yes" ; then 5949 echo "CONFIG_LIBSSH=y" >> $config_host_mak 5950 echo "LIBSSH_CFLAGS=$libssh_cflags" >> $config_host_mak 5951 echo "LIBSSH_LIBS=$libssh_libs" >> $config_host_mak 5952fi 5953 5954if test "$live_block_migration" = "yes" ; then 5955 echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak 5956fi 5957 5958if test "$tpm" = "yes"; then 5959 echo 'CONFIG_TPM=y' >> $config_host_mak 5960fi 5961 5962echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak 5963if have_backend "nop"; then 5964 echo "CONFIG_TRACE_NOP=y" >> $config_host_mak 5965fi 5966if have_backend "simple"; then 5967 echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak 5968 # Set the appropriate trace file. 5969 trace_file="\"$trace_file-\" FMT_pid" 5970fi 5971if have_backend "log"; then 5972 echo "CONFIG_TRACE_LOG=y" >> $config_host_mak 5973fi 5974if have_backend "ust"; then 5975 echo "CONFIG_TRACE_UST=y" >> $config_host_mak 5976 echo "LTTNG_UST_LIBS=$lttng_ust_libs" >> $config_host_mak 5977 echo "URCU_BP_LIBS=$urcu_bp_libs" >> $config_host_mak 5978fi 5979if have_backend "dtrace"; then 5980 echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak 5981 if test "$trace_backend_stap" = "yes" ; then 5982 echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak 5983 fi 5984fi 5985if have_backend "ftrace"; then 5986 if test "$linux" = "yes" ; then 5987 echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak 5988 else 5989 feature_not_found "ftrace(trace backend)" "ftrace requires Linux" 5990 fi 5991fi 5992if have_backend "syslog"; then 5993 if test "$posix_syslog" = "yes" ; then 5994 echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak 5995 else 5996 feature_not_found "syslog(trace backend)" "syslog not available" 5997 fi 5998fi 5999echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak 6000 6001if test "$rdma" = "yes" ; then 6002 echo "CONFIG_RDMA=y" >> $config_host_mak 6003 echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak 6004fi 6005 6006if test "$pvrdma" = "yes" ; then 6007 echo "CONFIG_PVRDMA=y" >> $config_host_mak 6008fi 6009 6010if test "$have_rtnetlink" = "yes" ; then 6011 echo "CONFIG_RTNETLINK=y" >> $config_host_mak 6012fi 6013 6014if test "$libxml2" = "yes" ; then 6015 echo "CONFIG_LIBXML2=y" >> $config_host_mak 6016 echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak 6017 echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak 6018fi 6019 6020if test "$replication" = "yes" ; then 6021 echo "CONFIG_REPLICATION=y" >> $config_host_mak 6022fi 6023 6024if test "$have_af_vsock" = "yes" ; then 6025 echo "CONFIG_AF_VSOCK=y" >> $config_host_mak 6026fi 6027 6028if test "$have_sysmacros" = "yes" ; then 6029 echo "CONFIG_SYSMACROS=y" >> $config_host_mak 6030fi 6031 6032if test "$have_static_assert" = "yes" ; then 6033 echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak 6034fi 6035 6036if test "$have_utmpx" = "yes" ; then 6037 echo "HAVE_UTMPX=y" >> $config_host_mak 6038fi 6039if test "$have_getrandom" = "yes" ; then 6040 echo "CONFIG_GETRANDOM=y" >> $config_host_mak 6041fi 6042if test "$ivshmem" = "yes" ; then 6043 echo "CONFIG_IVSHMEM=y" >> $config_host_mak 6044fi 6045if test "$debug_mutex" = "yes" ; then 6046 echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak 6047fi 6048 6049# Hold two types of flag: 6050# CONFIG_THREAD_SETNAME_BYTHREAD - we've got a way of setting the name on 6051# a thread we have a handle to 6052# CONFIG_PTHREAD_SETNAME_NP_W_TID - A way of doing it on a particular 6053# platform 6054if test "$pthread_setname_np_w_tid" = "yes" ; then 6055 echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak 6056 echo "CONFIG_PTHREAD_SETNAME_NP_W_TID=y" >> $config_host_mak 6057elif test "$pthread_setname_np_wo_tid" = "yes" ; then 6058 echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak 6059 echo "CONFIG_PTHREAD_SETNAME_NP_WO_TID=y" >> $config_host_mak 6060fi 6061 6062if test "$libpmem" = "yes" ; then 6063 echo "CONFIG_LIBPMEM=y" >> $config_host_mak 6064 echo "LIBPMEM_LIBS=$libpmem_libs" >> $config_host_mak 6065 echo "LIBPMEM_CFLAGS=$libpmem_cflags" >> $config_host_mak 6066fi 6067 6068if test "$libdaxctl" = "yes" ; then 6069 echo "CONFIG_LIBDAXCTL=y" >> $config_host_mak 6070 echo "LIBDAXCTL_LIBS=$libdaxctl_libs" >> $config_host_mak 6071fi 6072 6073if test "$bochs" = "yes" ; then 6074 echo "CONFIG_BOCHS=y" >> $config_host_mak 6075fi 6076if test "$cloop" = "yes" ; then 6077 echo "CONFIG_CLOOP=y" >> $config_host_mak 6078fi 6079if test "$dmg" = "yes" ; then 6080 echo "CONFIG_DMG=y" >> $config_host_mak 6081fi 6082if test "$qcow1" = "yes" ; then 6083 echo "CONFIG_QCOW1=y" >> $config_host_mak 6084fi 6085if test "$vdi" = "yes" ; then 6086 echo "CONFIG_VDI=y" >> $config_host_mak 6087fi 6088if test "$vvfat" = "yes" ; then 6089 echo "CONFIG_VVFAT=y" >> $config_host_mak 6090fi 6091if test "$qed" = "yes" ; then 6092 echo "CONFIG_QED=y" >> $config_host_mak 6093fi 6094if test "$parallels" = "yes" ; then 6095 echo "CONFIG_PARALLELS=y" >> $config_host_mak 6096fi 6097if test "$have_mlockall" = "yes" ; then 6098 echo "HAVE_MLOCKALL=y" >> $config_host_mak 6099fi 6100if test "$fuzzing" = "yes" ; then 6101 # If LIB_FUZZING_ENGINE is set, assume we are running on OSS-Fuzz, and the 6102 # needed CFLAGS have already been provided 6103 if test -z "${LIB_FUZZING_ENGINE+xxx}" ; then 6104 # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the 6105 # compiled code. 6106 QEMU_CFLAGS="$QEMU_CFLAGS -fsanitize=fuzzer-no-link" 6107 # To build non-fuzzer binaries with --enable-fuzzing, link everything with 6108 # fsanitize=fuzzer-no-link. Otherwise, the linker will be unable to bind 6109 # the fuzzer-related callbacks added by instrumentation. 6110 QEMU_LDFLAGS="$QEMU_LDFLAGS -fsanitize=fuzzer-no-link" 6111 # For the actual fuzzer binaries, we need to link against the libfuzzer 6112 # library. Provide the flags for doing this in FUZZ_EXE_LDFLAGS. The meson 6113 # rule for the fuzzer adds these to the link_args. They need to be 6114 # configurable, to support OSS-Fuzz 6115 FUZZ_EXE_LDFLAGS="-fsanitize=fuzzer" 6116 else 6117 FUZZ_EXE_LDFLAGS="$LIB_FUZZING_ENGINE" 6118 fi 6119fi 6120 6121if test "$plugins" = "yes" ; then 6122 echo "CONFIG_PLUGIN=y" >> $config_host_mak 6123 # Copy the export object list to the build dir 6124 if test "$ld_dynamic_list" = "yes" ; then 6125 echo "CONFIG_HAS_LD_DYNAMIC_LIST=yes" >> $config_host_mak 6126 ld_symbols=qemu-plugins-ld.symbols 6127 cp "$source_path/plugins/qemu-plugins.symbols" $ld_symbols 6128 elif test "$ld_exported_symbols_list" = "yes" ; then 6129 echo "CONFIG_HAS_LD_EXPORTED_SYMBOLS_LIST=yes" >> $config_host_mak 6130 ld64_symbols=qemu-plugins-ld64.symbols 6131 echo "# Automatically generated by configure - do not modify" > $ld64_symbols 6132 grep 'qemu_' "$source_path/plugins/qemu-plugins.symbols" | sed 's/;//g' | \ 6133 sed -E 's/^[[:space:]]*(.*)/_\1/' >> $ld64_symbols 6134 else 6135 error_exit \ 6136 "If \$plugins=yes, either \$ld_dynamic_list or " \ 6137 "\$ld_exported_symbols_list should have been set to 'yes'." 6138 fi 6139fi 6140 6141if test -n "$gdb_bin"; then 6142 gdb_version=$($gdb_bin --version | head -n 1) 6143 if version_ge ${gdb_version##* } 9.1; then 6144 echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak 6145 fi 6146fi 6147 6148if test "$secret_keyring" = "yes" ; then 6149 echo "CONFIG_SECRET_KEYRING=y" >> $config_host_mak 6150fi 6151 6152echo "ROMS=$roms" >> $config_host_mak 6153echo "MAKE=$make" >> $config_host_mak 6154echo "PYTHON=$python" >> $config_host_mak 6155echo "GENISOIMAGE=$genisoimage" >> $config_host_mak 6156echo "MESON=$meson" >> $config_host_mak 6157echo "NINJA=$ninja" >> $config_host_mak 6158echo "CC=$cc" >> $config_host_mak 6159echo "HOST_CC=$host_cc" >> $config_host_mak 6160if $iasl -h > /dev/null 2>&1; then 6161 echo "CONFIG_IASL=$iasl" >> $config_host_mak 6162fi 6163echo "CXX=$cxx" >> $config_host_mak 6164echo "OBJCC=$objcc" >> $config_host_mak 6165echo "AR=$ar" >> $config_host_mak 6166echo "ARFLAGS=$ARFLAGS" >> $config_host_mak 6167echo "AS=$as" >> $config_host_mak 6168echo "CCAS=$ccas" >> $config_host_mak 6169echo "CPP=$cpp" >> $config_host_mak 6170echo "OBJCOPY=$objcopy" >> $config_host_mak 6171echo "LD=$ld" >> $config_host_mak 6172echo "RANLIB=$ranlib" >> $config_host_mak 6173echo "NM=$nm" >> $config_host_mak 6174echo "PKG_CONFIG=$pkg_config_exe" >> $config_host_mak 6175echo "WINDRES=$windres" >> $config_host_mak 6176echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak 6177echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak 6178echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak 6179echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak 6180echo "GLIB_LIBS=$glib_libs" >> $config_host_mak 6181echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak 6182echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak 6183echo "EXESUF=$EXESUF" >> $config_host_mak 6184echo "HOST_DSOSUF=$HOST_DSOSUF" >> $config_host_mak 6185echo "LIBS_QGA=$libs_qga" >> $config_host_mak 6186echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak 6187echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak 6188if test "$gcov" = "yes" ; then 6189 echo "CONFIG_GCOV=y" >> $config_host_mak 6190fi 6191 6192if test "$fuzzing" != "no"; then 6193 echo "CONFIG_FUZZ=y" >> $config_host_mak 6194fi 6195echo "FUZZ_EXE_LDFLAGS=$FUZZ_EXE_LDFLAGS" >> $config_host_mak 6196 6197if test "$rng_none" = "yes"; then 6198 echo "CONFIG_RNG_NONE=y" >> $config_host_mak 6199fi 6200 6201# use included Linux headers 6202if test "$linux" = "yes" ; then 6203 mkdir -p linux-headers 6204 case "$cpu" in 6205 i386|x86_64|x32) 6206 linux_arch=x86 6207 ;; 6208 ppc|ppc64|ppc64le) 6209 linux_arch=powerpc 6210 ;; 6211 s390x) 6212 linux_arch=s390 6213 ;; 6214 aarch64) 6215 linux_arch=arm64 6216 ;; 6217 mips64) 6218 linux_arch=mips 6219 ;; 6220 *) 6221 # For most CPUs the kernel architecture name and QEMU CPU name match. 6222 linux_arch="$cpu" 6223 ;; 6224 esac 6225 # For non-KVM architectures we will not have asm headers 6226 if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then 6227 symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm 6228 fi 6229fi 6230 6231for target in $target_list; do 6232 target_dir="$target" 6233 target_name=$(echo $target | cut -d '-' -f 1) 6234 mkdir -p $target_dir 6235 case $target in 6236 *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;; 6237 *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;; 6238 esac 6239done 6240 6241echo "CONFIG_QEMU_INTERP_PREFIX=$interp_prefix" | sed 's/%M/@0@/' >> $config_host_mak 6242if test "$default_targets" = "yes"; then 6243 echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak 6244fi 6245 6246if test "$numa" = "yes"; then 6247 echo "CONFIG_NUMA=y" >> $config_host_mak 6248 echo "NUMA_LIBS=$numa_libs" >> $config_host_mak 6249fi 6250 6251if test "$ccache_cpp2" = "yes"; then 6252 echo "export CCACHE_CPP2=y" >> $config_host_mak 6253fi 6254 6255if test "$safe_stack" = "yes"; then 6256 echo "CONFIG_SAFESTACK=y" >> $config_host_mak 6257fi 6258 6259# If we're using a separate build tree, set it up now. 6260# DIRS are directories which we simply mkdir in the build tree; 6261# LINKS are things to symlink back into the source tree 6262# (these can be both files and directories). 6263# Caution: do not add files or directories here using wildcards. This 6264# will result in problems later if a new file matching the wildcard is 6265# added to the source tree -- nothing will cause configure to be rerun 6266# so the build tree will be missing the link back to the new file, and 6267# tests might fail. Prefer to keep the relevant files in their own 6268# directory and symlink the directory instead. 6269# UNLINK is used to remove symlinks from older development versions 6270# that might get into the way when doing "git update" without doing 6271# a "make distclean" in between. 6272DIRS="tests tests/tcg tests/qapi-schema tests/qtest/libqos" 6273DIRS="$DIRS tests/qtest tests/qemu-iotests tests/vm tests/fp tests/qgraph" 6274DIRS="$DIRS docs docs/interop fsdev scsi" 6275DIRS="$DIRS pc-bios/optionrom pc-bios/s390-ccw" 6276DIRS="$DIRS roms/seabios" 6277DIRS="$DIRS contrib/plugins/" 6278LINKS="Makefile" 6279LINKS="$LINKS tests/tcg/Makefile.target" 6280LINKS="$LINKS pc-bios/optionrom/Makefile" 6281LINKS="$LINKS pc-bios/s390-ccw/Makefile" 6282LINKS="$LINKS roms/seabios/Makefile" 6283LINKS="$LINKS pc-bios/qemu-icon.bmp" 6284LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit 6285LINKS="$LINKS tests/acceptance tests/data" 6286LINKS="$LINKS tests/qemu-iotests/check" 6287LINKS="$LINKS python" 6288LINKS="$LINKS contrib/plugins/Makefile " 6289UNLINK="pc-bios/keymaps" 6290for bios_file in \ 6291 $source_path/pc-bios/*.bin \ 6292 $source_path/pc-bios/*.elf \ 6293 $source_path/pc-bios/*.lid \ 6294 $source_path/pc-bios/*.rom \ 6295 $source_path/pc-bios/*.dtb \ 6296 $source_path/pc-bios/*.img \ 6297 $source_path/pc-bios/openbios-* \ 6298 $source_path/pc-bios/u-boot.* \ 6299 $source_path/pc-bios/edk2-*.fd.bz2 \ 6300 $source_path/pc-bios/palcode-* 6301do 6302 LINKS="$LINKS pc-bios/$(basename $bios_file)" 6303done 6304mkdir -p $DIRS 6305for f in $LINKS ; do 6306 if [ -e "$source_path/$f" ]; then 6307 symlink "$source_path/$f" "$f" 6308 fi 6309done 6310for f in $UNLINK ; do 6311 if [ -L "$f" ]; then 6312 rm -f "$f" 6313 fi 6314done 6315 6316(for i in $cross_cc_vars; do 6317 export $i 6318done 6319export target_list source_path use_containers ARCH 6320$source_path/tests/tcg/configure.sh) 6321 6322# temporary config to build submodules 6323for rom in seabios; do 6324 config_mak=roms/$rom/config.mak 6325 echo "# Automatically generated by configure - do not modify" > $config_mak 6326 echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak 6327 echo "AS=$as" >> $config_mak 6328 echo "CCAS=$ccas" >> $config_mak 6329 echo "CC=$cc" >> $config_mak 6330 echo "BCC=bcc" >> $config_mak 6331 echo "CPP=$cpp" >> $config_mak 6332 echo "OBJCOPY=objcopy" >> $config_mak 6333 echo "IASL=$iasl" >> $config_mak 6334 echo "LD=$ld" >> $config_mak 6335 echo "RANLIB=$ranlib" >> $config_mak 6336done 6337 6338if test "$skip_meson" = no; then 6339 cross="config-meson.cross.new" 6340 meson_quote() { 6341 echo "'$(echo $* | sed "s/ /','/g")'" 6342 } 6343 6344 echo "# Automatically generated by configure - do not modify" > $cross 6345 echo "[properties]" >> $cross 6346 test -z "$cxx" && echo "link_language = 'c'" >> $cross 6347 echo "[built-in options]" >> $cross 6348 echo "c_args = [${CFLAGS:+$(meson_quote $CFLAGS)}]" >> $cross 6349 echo "cpp_args = [${CXXFLAGS:+$(meson_quote $CXXFLAGS)}]" >> $cross 6350 echo "c_link_args = [${LDFLAGS:+$(meson_quote $LDFLAGS)}]" >> $cross 6351 echo "cpp_link_args = [${LDFLAGS:+$(meson_quote $LDFLAGS)}]" >> $cross 6352 echo "[binaries]" >> $cross 6353 echo "c = [$(meson_quote $cc)]" >> $cross 6354 test -n "$cxx" && echo "cpp = [$(meson_quote $cxx)]" >> $cross 6355 test -n "$objcc" && echo "objc = [$(meson_quote $objcc)]" >> $cross 6356 echo "ar = [$(meson_quote $ar)]" >> $cross 6357 echo "nm = [$(meson_quote $nm)]" >> $cross 6358 echo "pkgconfig = [$(meson_quote $pkg_config_exe)]" >> $cross 6359 echo "ranlib = [$(meson_quote $ranlib)]" >> $cross 6360 if has $sdl2_config; then 6361 echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross 6362 fi 6363 echo "strip = [$(meson_quote $strip)]" >> $cross 6364 echo "windres = [$(meson_quote $windres)]" >> $cross 6365 if test "$cross_compile" = "yes"; then 6366 cross_arg="--cross-file config-meson.cross" 6367 echo "[host_machine]" >> $cross 6368 if test "$mingw32" = "yes" ; then 6369 echo "system = 'windows'" >> $cross 6370 fi 6371 if test "$linux" = "yes" ; then 6372 echo "system = 'linux'" >> $cross 6373 fi 6374 if test "$darwin" = "yes" ; then 6375 echo "system = 'darwin'" >> $cross 6376 fi 6377 case "$ARCH" in 6378 i386) 6379 echo "cpu_family = 'x86'" >> $cross 6380 ;; 6381 x86_64) 6382 echo "cpu_family = 'x86_64'" >> $cross 6383 ;; 6384 ppc64le) 6385 echo "cpu_family = 'ppc64'" >> $cross 6386 ;; 6387 *) 6388 echo "cpu_family = '$ARCH'" >> $cross 6389 ;; 6390 esac 6391 echo "cpu = '$cpu'" >> $cross 6392 if test "$bigendian" = "yes" ; then 6393 echo "endian = 'big'" >> $cross 6394 else 6395 echo "endian = 'little'" >> $cross 6396 fi 6397 else 6398 cross_arg="--native-file config-meson.cross" 6399 fi 6400 mv $cross config-meson.cross 6401 6402 rm -rf meson-private meson-info meson-logs 6403 unset staticpic 6404 if ! version_ge "$($meson --version)" 0.56.0; then 6405 staticpic=$(if test "$pie" = yes; then echo true; else echo false; fi) 6406 fi 6407 NINJA=$ninja $meson setup \ 6408 --prefix "$prefix" \ 6409 --libdir "$libdir" \ 6410 --libexecdir "$libexecdir" \ 6411 --bindir "$bindir" \ 6412 --includedir "$includedir" \ 6413 --datadir "$datadir" \ 6414 --mandir "$mandir" \ 6415 --sysconfdir "$sysconfdir" \ 6416 --localedir "$localedir" \ 6417 --localstatedir "$local_statedir" \ 6418 -Ddocdir="$docdir" \ 6419 -Dqemu_firmwarepath="$firmwarepath" \ 6420 -Dqemu_suffix="$qemu_suffix" \ 6421 -Doptimization=$(if test "$debug" = yes; then echo 0; else echo 2; fi) \ 6422 -Ddebug=$(if test "$debug_info" = yes; then echo true; else echo false; fi) \ 6423 -Dwerror=$(if test "$werror" = yes; then echo true; else echo false; fi) \ 6424 -Dstrip=$(if test "$strip_opt" = yes; then echo true; else echo false; fi) \ 6425 -Db_pie=$(if test "$pie" = yes; then echo true; else echo false; fi) \ 6426 ${staticpic:+-Db_staticpic=$staticpic} \ 6427 -Db_coverage=$(if test "$gcov" = yes; then echo true; else echo false; fi) \ 6428 -Db_lto=$lto -Dcfi=$cfi -Dcfi_debug=$cfi_debug \ 6429 -Dmalloc=$malloc -Dmalloc_trim=$malloc_trim -Dsparse=$sparse \ 6430 -Dkvm=$kvm -Dhax=$hax -Dwhpx=$whpx -Dhvf=$hvf -Dnvmm=$nvmm \ 6431 -Dxen=$xen -Dxen_pci_passthrough=$xen_pci_passthrough -Dtcg=$tcg \ 6432 -Dcocoa=$cocoa -Dgtk=$gtk -Dmpath=$mpath -Dsdl=$sdl -Dsdl_image=$sdl_image \ 6433 -Dvnc=$vnc -Dvnc_sasl=$vnc_sasl -Dvnc_jpeg=$vnc_jpeg -Dvnc_png=$vnc_png \ 6434 -Dgettext=$gettext -Dxkbcommon=$xkbcommon -Du2f=$u2f -Dvirtiofsd=$virtiofsd \ 6435 -Dcapstone=$capstone -Dslirp=$slirp -Dfdt=$fdt -Dbrlapi=$brlapi \ 6436 -Dcurl=$curl -Dglusterfs=$glusterfs -Dbzip2=$bzip2 -Dlibiscsi=$libiscsi \ 6437 -Dlibnfs=$libnfs -Diconv=$iconv -Dcurses=$curses -Dlibudev=$libudev\ 6438 -Drbd=$rbd -Dlzo=$lzo -Dsnappy=$snappy -Dlzfse=$lzfse \ 6439 -Dzstd=$zstd -Dseccomp=$seccomp -Dvirtfs=$virtfs -Dcap_ng=$cap_ng \ 6440 -Dattr=$attr -Ddefault_devices=$default_devices \ 6441 -Ddocs=$docs -Dsphinx_build=$sphinx_build -Dinstall_blobs=$blobs \ 6442 -Dvhost_user_blk_server=$vhost_user_blk_server -Dmultiprocess=$multiprocess \ 6443 -Dfuse=$fuse -Dfuse_lseek=$fuse_lseek -Dguest_agent_msi=$guest_agent_msi \ 6444 $(if test "$default_features" = no; then echo "-Dauto_features=disabled"; fi) \ 6445 -Dtcg_interpreter=$tcg_interpreter \ 6446 $cross_arg \ 6447 "$PWD" "$source_path" 6448 6449 if test "$?" -ne 0 ; then 6450 error_exit "meson setup failed" 6451 fi 6452else 6453 if test -f meson-private/cmd_line.txt; then 6454 # Adjust old command line options whose type was changed 6455 # Avoids having to use "setup --wipe" when Meson is upgraded 6456 perl -i -ne ' 6457 s/^gettext = true$/gettext = auto/; 6458 s/^gettext = false$/gettext = disabled/; 6459 print;' meson-private/cmd_line.txt 6460 fi 6461fi 6462 6463if test -n "${deprecated_features}"; then 6464 echo "Warning, deprecated features enabled." 6465 echo "Please see docs/system/deprecated.rst" 6466 echo " features: ${deprecated_features}" 6467fi 6468 6469# Create list of config switches that should be poisoned in common code... 6470# but filter out CONFIG_TCG and CONFIG_USER_ONLY which are special. 6471target_configs_h=$(ls *-config-devices.h *-config-target.h 2>/dev/null) 6472if test -n "$target_configs_h" ; then 6473 sed -n -e '/CONFIG_TCG/d' -e '/CONFIG_USER_ONLY/d' \ 6474 -e '/^#define / { s///; s/ .*//; s/^/#pragma GCC poison /p; }' \ 6475 $target_configs_h | sort -u > config-poison.h 6476else 6477 :> config-poison.h 6478fi 6479 6480# Save the configure command line for later reuse. 6481cat <<EOD >config.status 6482#!/bin/sh 6483# Generated by configure. 6484# Run this file to recreate the current configuration. 6485# Compiler output produced by configure, useful for debugging 6486# configure, is in config.log if it exists. 6487EOD 6488 6489preserve_env() { 6490 envname=$1 6491 6492 eval envval=\$$envname 6493 6494 if test -n "$envval" 6495 then 6496 echo "$envname='$envval'" >> config.status 6497 echo "export $envname" >> config.status 6498 else 6499 echo "unset $envname" >> config.status 6500 fi 6501} 6502 6503# Preserve various env variables that influence what 6504# features/build target configure will detect 6505preserve_env AR 6506preserve_env AS 6507preserve_env CC 6508preserve_env CPP 6509preserve_env CXX 6510preserve_env INSTALL 6511preserve_env LD 6512preserve_env LD_LIBRARY_PATH 6513preserve_env LIBTOOL 6514preserve_env MAKE 6515preserve_env NM 6516preserve_env OBJCOPY 6517preserve_env PATH 6518preserve_env PKG_CONFIG 6519preserve_env PKG_CONFIG_LIBDIR 6520preserve_env PKG_CONFIG_PATH 6521preserve_env PYTHON 6522preserve_env SDL2_CONFIG 6523preserve_env SMBD 6524preserve_env STRIP 6525preserve_env WINDRES 6526 6527printf "exec" >>config.status 6528for i in "$0" "$@"; do 6529 test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status 6530done 6531echo ' "$@"' >>config.status 6532chmod +x config.status 6533 6534rm -r "$TMPDIR1" 6535
