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="$default_feature" 331bpf="auto" 332kvm="auto" 333hax="auto" 334hvf="auto" 335whpx="auto" 336nvmm="auto" 337rdma="$default_feature" 338pvrdma="$default_feature" 339gprof="no" 340debug_tcg="no" 341debug="no" 342sanitizers="no" 343tsan="no" 344fortify_source="$default_feature" 345strip_opt="yes" 346tcg_interpreter="false" 347bigendian="no" 348mingw32="no" 349gcov="no" 350EXESUF="" 351HOST_DSOSUF=".so" 352modules="no" 353module_upgrades="no" 354prefix="/usr/local" 355qemu_suffix="qemu" 356slirp="auto" 357oss_lib="" 358bsd="no" 359linux="no" 360solaris="no" 361profiler="no" 362cocoa="auto" 363softmmu="yes" 364linux_user="no" 365bsd_user="no" 366blobs="true" 367pkgversion="" 368pie="" 369qom_cast_debug="yes" 370trace_backends="log" 371trace_file="trace" 372spice="$default_feature" 373spice_protocol="auto" 374rbd="auto" 375smartcard="$default_feature" 376u2f="auto" 377libusb="$default_feature" 378usb_redir="$default_feature" 379opengl="$default_feature" 380cpuid_h="no" 381avx2_opt="$default_feature" 382capstone="auto" 383lzo="auto" 384snappy="auto" 385bzip2="auto" 386lzfse="auto" 387zstd="auto" 388guest_agent="$default_feature" 389guest_agent_with_vss="no" 390guest_agent_ntddscsi="no" 391guest_agent_msi="auto" 392vss_win32_sdk="$default_feature" 393win_sdk="no" 394want_tools="$default_feature" 395libiscsi="auto" 396libnfs="auto" 397coroutine="" 398coroutine_pool="$default_feature" 399debug_stack_usage="no" 400crypto_afalg="no" 401cfi="false" 402cfi_debug="false" 403seccomp="auto" 404glusterfs="auto" 405gtk="auto" 406tls_priority="NORMAL" 407gnutls="$default_feature" 408nettle="$default_feature" 409nettle_xts="no" 410gcrypt="$default_feature" 411gcrypt_xts="no" 412qemu_private_xts="yes" 413auth_pam="$default_feature" 414vte="$default_feature" 415virglrenderer="$default_feature" 416tpm="$default_feature" 417libssh="$default_feature" 418live_block_migration=${default_feature:-yes} 419numa="$default_feature" 420tcmalloc="no" 421jemalloc="no" 422replication=${default_feature:-yes} 423bochs=${default_feature:-yes} 424cloop=${default_feature:-yes} 425dmg=${default_feature:-yes} 426qcow1=${default_feature:-yes} 427vdi=${default_feature:-yes} 428vvfat=${default_feature:-yes} 429qed=${default_feature:-yes} 430parallels=${default_feature:-yes} 431libxml2="$default_feature" 432debug_mutex="no" 433libpmem="$default_feature" 434default_devices="true" 435plugins="no" 436fuzzing="no" 437rng_none="no" 438secret_keyring="$default_feature" 439libdaxctl="$default_feature" 440meson="" 441ninja="" 442skip_meson=no 443gettext="auto" 444fuse="auto" 445fuse_lseek="auto" 446multiprocess="auto" 447slirp_smbd="$default_feature" 448 449malloc_trim="auto" 450gio="$default_feature" 451 452# parse CC options second 453for opt do 454 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 455 case "$opt" in 456 --cross-prefix=*) cross_prefix="$optarg" 457 cross_compile="yes" 458 ;; 459 --cc=*) CC="$optarg" 460 ;; 461 --cxx=*) CXX="$optarg" 462 ;; 463 --cpu=*) cpu="$optarg" 464 ;; 465 --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg" 466 QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg" 467 ;; 468 --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg" 469 ;; 470 --extra-ldflags=*) QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg" 471 EXTRA_LDFLAGS="$optarg" 472 ;; 473 --enable-debug-info) debug_info="yes" 474 ;; 475 --disable-debug-info) debug_info="no" 476 ;; 477 --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option" 478 ;; 479 --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-flags-}; cc_arch=${cc_arch%%=*} 480 eval "cross_cc_cflags_${cc_arch}=\$optarg" 481 cross_cc_vars="$cross_cc_vars cross_cc_cflags_${cc_arch}" 482 ;; 483 --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*} 484 cc_archs="$cc_archs $cc_arch" 485 eval "cross_cc_${cc_arch}=\$optarg" 486 cross_cc_vars="$cross_cc_vars cross_cc_${cc_arch}" 487 ;; 488 esac 489done 490# OS specific 491# Using uname is really, really broken. Once we have the right set of checks 492# we can eliminate its usage altogether. 493 494# Preferred compiler: 495# ${CC} (if set) 496# ${cross_prefix}gcc (if cross-prefix specified) 497# system compiler 498if test -z "${CC}${cross_prefix}"; then 499 cc="$host_cc" 500else 501 cc="${CC-${cross_prefix}gcc}" 502fi 503 504if test -z "${CXX}${cross_prefix}"; then 505 cxx="c++" 506else 507 cxx="${CXX-${cross_prefix}g++}" 508fi 509 510ar="${AR-${cross_prefix}ar}" 511as="${AS-${cross_prefix}as}" 512ccas="${CCAS-$cc}" 513cpp="${CPP-$cc -E}" 514objcopy="${OBJCOPY-${cross_prefix}objcopy}" 515ld="${LD-${cross_prefix}ld}" 516ranlib="${RANLIB-${cross_prefix}ranlib}" 517nm="${NM-${cross_prefix}nm}" 518strip="${STRIP-${cross_prefix}strip}" 519windres="${WINDRES-${cross_prefix}windres}" 520pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}" 521query_pkg_config() { 522 "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@" 523} 524pkg_config=query_pkg_config 525sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}" 526 527# If the user hasn't specified ARFLAGS, default to 'rv', just as make does. 528ARFLAGS="${ARFLAGS-rv}" 529 530# default flags for all hosts 531# We use -fwrapv to tell the compiler that we require a C dialect where 532# left shift of signed integers is well defined and has the expected 533# 2s-complement style results. (Both clang and gcc agree that it 534# provides these semantics.) 535QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv $QEMU_CFLAGS" 536QEMU_CFLAGS="-Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS" 537QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS" 538QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS" 539 540# Flags that are needed during configure but later taken care of by Meson 541CONFIGURE_CFLAGS="-std=gnu99 -Wall" 542CONFIGURE_LDFLAGS= 543 544 545check_define() { 546cat > $TMPC <<EOF 547#if !defined($1) 548#error $1 not defined 549#endif 550int main(void) { return 0; } 551EOF 552 compile_object 553} 554 555check_include() { 556cat > $TMPC <<EOF 557#include <$1> 558int main(void) { return 0; } 559EOF 560 compile_object 561} 562 563write_c_skeleton() { 564 cat > $TMPC <<EOF 565int main(void) { return 0; } 566EOF 567} 568 569write_c_fuzzer_skeleton() { 570 cat > $TMPC <<EOF 571#include <stdint.h> 572#include <sys/types.h> 573int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size); 574int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; } 575EOF 576} 577 578if check_define __linux__ ; then 579 targetos="Linux" 580elif check_define _WIN32 ; then 581 targetos='MINGW32' 582elif check_define __OpenBSD__ ; then 583 targetos='OpenBSD' 584elif check_define __sun__ ; then 585 targetos='SunOS' 586elif check_define __HAIKU__ ; then 587 targetos='Haiku' 588elif check_define __FreeBSD__ ; then 589 targetos='FreeBSD' 590elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then 591 targetos='GNU/kFreeBSD' 592elif check_define __DragonFly__ ; then 593 targetos='DragonFly' 594elif check_define __NetBSD__; then 595 targetos='NetBSD' 596elif check_define __APPLE__; then 597 targetos='Darwin' 598else 599 # This is a fatal error, but don't report it yet, because we 600 # might be going to just print the --help text, or it might 601 # be the result of a missing compiler. 602 targetos='bogus' 603fi 604 605# Some host OSes need non-standard checks for which CPU to use. 606# Note that these checks are broken for cross-compilation: if you're 607# cross-compiling to one of these OSes then you'll need to specify 608# the correct CPU with the --cpu option. 609case $targetos in 610Darwin) 611 HOST_DSOSUF=".dylib" 612 ;; 613SunOS) 614 # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo 615 if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then 616 cpu="x86_64" 617 fi 618esac 619 620if test ! -z "$cpu" ; then 621 # command line argument 622 : 623elif check_define __i386__ ; then 624 cpu="i386" 625elif check_define __x86_64__ ; then 626 if check_define __ILP32__ ; then 627 cpu="x32" 628 else 629 cpu="x86_64" 630 fi 631elif check_define __sparc__ ; then 632 if check_define __arch64__ ; then 633 cpu="sparc64" 634 else 635 cpu="sparc" 636 fi 637elif check_define _ARCH_PPC ; then 638 if check_define _ARCH_PPC64 ; then 639 if check_define _LITTLE_ENDIAN ; then 640 cpu="ppc64le" 641 else 642 cpu="ppc64" 643 fi 644 else 645 cpu="ppc" 646 fi 647elif check_define __mips__ ; then 648 cpu="mips" 649elif check_define __s390__ ; then 650 if check_define __s390x__ ; then 651 cpu="s390x" 652 else 653 cpu="s390" 654 fi 655elif check_define __riscv ; then 656 if check_define _LP64 ; then 657 cpu="riscv64" 658 else 659 cpu="riscv32" 660 fi 661elif check_define __arm__ ; then 662 cpu="arm" 663elif check_define __aarch64__ ; then 664 cpu="aarch64" 665else 666 cpu=$(uname -m) 667fi 668 669ARCH= 670# Normalise host CPU name and set ARCH. 671# Note that this case should only have supported host CPUs, not guests. 672case "$cpu" in 673 ppc|ppc64|s390x|sparc64|x32|riscv32|riscv64) 674 ;; 675 ppc64le) 676 ARCH="ppc64" 677 ;; 678 i386|i486|i586|i686|i86pc|BePC) 679 cpu="i386" 680 ;; 681 x86_64|amd64) 682 cpu="x86_64" 683 ;; 684 armv*b|armv*l|arm) 685 cpu="arm" 686 ;; 687 aarch64) 688 cpu="aarch64" 689 ;; 690 mips*) 691 cpu="mips" 692 ;; 693 sparc|sun4[cdmuv]) 694 cpu="sparc" 695 ;; 696 *) 697 # This will result in either an error or falling back to TCI later 698 ARCH=unknown 699 ;; 700esac 701if test -z "$ARCH"; then 702 ARCH="$cpu" 703fi 704 705# OS specific 706 707case $targetos in 708MINGW32*) 709 mingw32="yes" 710 audio_possible_drivers="dsound sdl" 711 if check_include dsound.h; then 712 audio_drv_list="dsound" 713 else 714 audio_drv_list="" 715 fi 716 supported_os="yes" 717 pie="no" 718;; 719GNU/kFreeBSD) 720 bsd="yes" 721 audio_drv_list="oss try-sdl" 722 audio_possible_drivers="oss sdl pa" 723;; 724FreeBSD) 725 bsd="yes" 726 make="${MAKE-gmake}" 727 audio_drv_list="oss try-sdl" 728 audio_possible_drivers="oss sdl pa" 729 # needed for kinfo_getvmmap(3) in libutil.h 730 netmap="" # enable netmap autodetect 731;; 732DragonFly) 733 bsd="yes" 734 make="${MAKE-gmake}" 735 audio_drv_list="oss try-sdl" 736 audio_possible_drivers="oss sdl pa" 737;; 738NetBSD) 739 bsd="yes" 740 make="${MAKE-gmake}" 741 audio_drv_list="oss try-sdl" 742 audio_possible_drivers="oss sdl" 743 oss_lib="-lossaudio" 744;; 745OpenBSD) 746 bsd="yes" 747 make="${MAKE-gmake}" 748 audio_drv_list="try-sdl" 749 audio_possible_drivers="sdl" 750;; 751Darwin) 752 bsd="yes" 753 darwin="yes" 754 audio_drv_list="try-coreaudio try-sdl" 755 audio_possible_drivers="coreaudio sdl" 756 # Disable attempts to use ObjectiveC features in os/object.h since they 757 # won't work when we're compiling with gcc as a C compiler. 758 QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS" 759;; 760SunOS) 761 solaris="yes" 762 make="${MAKE-gmake}" 763 smbd="${SMBD-/usr/sfw/sbin/smbd}" 764 if test -f /usr/include/sys/soundcard.h ; then 765 audio_drv_list="oss try-sdl" 766 fi 767 audio_possible_drivers="oss sdl" 768# needed for CMSG_ macros in sys/socket.h 769 QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS" 770# needed for TIOCWIN* defines in termios.h 771 QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS" 772;; 773Haiku) 774 haiku="yes" 775 QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -D_BSD_SOURCE $QEMU_CFLAGS" 776;; 777Linux) 778 audio_drv_list="try-pa oss" 779 audio_possible_drivers="oss alsa sdl pa" 780 linux="yes" 781 linux_user="yes" 782 vhost_user=${default_feature:-yes} 783;; 784esac 785 786if [ "$bsd" = "yes" ] ; then 787 if [ "$darwin" != "yes" ] ; then 788 bsd_user="yes" 789 fi 790fi 791 792: ${make=${MAKE-make}} 793 794# We prefer python 3.x. A bare 'python' is traditionally 795# python 2.x, but some distros have it as python 3.x, so 796# we check that too 797python= 798explicit_python=no 799for binary in "${PYTHON-python3}" python 800do 801 if has "$binary" 802 then 803 python=$(command -v "$binary") 804 break 805 fi 806done 807 808 809# Check for ancillary tools used in testing 810genisoimage= 811for binary in genisoimage mkisofs 812do 813 if has $binary 814 then 815 genisoimage=$(command -v "$binary") 816 break 817 fi 818done 819 820# Default objcc to clang if available, otherwise use CC 821if has clang; then 822 objcc=clang 823else 824 objcc="$cc" 825fi 826 827if test "$mingw32" = "yes" ; then 828 EXESUF=".exe" 829 HOST_DSOSUF=".dll" 830 # MinGW needs -mthreads for TLS and macro _MT. 831 CONFIGURE_CFLAGS="-mthreads $CONFIGURE_CFLAGS" 832 write_c_skeleton; 833 prefix="/qemu" 834 qemu_suffix="" 835 libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga" 836fi 837 838werror="" 839 840for opt do 841 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 842 case "$opt" in 843 --help|-h) show_help=yes 844 ;; 845 --version|-V) exec cat $source_path/VERSION 846 ;; 847 --prefix=*) prefix="$optarg" 848 ;; 849 --interp-prefix=*) interp_prefix="$optarg" 850 ;; 851 --cross-prefix=*) 852 ;; 853 --cc=*) 854 ;; 855 --host-cc=*) host_cc="$optarg" 856 ;; 857 --cxx=*) 858 ;; 859 --iasl=*) iasl="$optarg" 860 ;; 861 --objcc=*) objcc="$optarg" 862 ;; 863 --make=*) make="$optarg" 864 ;; 865 --install=*) 866 ;; 867 --python=*) python="$optarg" ; explicit_python=yes 868 ;; 869 --sphinx-build=*) sphinx_build="$optarg" 870 ;; 871 --skip-meson) skip_meson=yes 872 ;; 873 --meson=*) meson="$optarg" 874 ;; 875 --ninja=*) ninja="$optarg" 876 ;; 877 --smbd=*) smbd="$optarg" 878 ;; 879 --extra-cflags=*) 880 ;; 881 --extra-cxxflags=*) 882 ;; 883 --extra-ldflags=*) 884 ;; 885 --enable-debug-info) 886 ;; 887 --disable-debug-info) 888 ;; 889 --cross-cc-*) 890 ;; 891 --enable-modules) 892 modules="yes" 893 ;; 894 --disable-modules) 895 modules="no" 896 ;; 897 --disable-module-upgrades) module_upgrades="no" 898 ;; 899 --enable-module-upgrades) module_upgrades="yes" 900 ;; 901 --cpu=*) 902 ;; 903 --target-list=*) target_list="$optarg" 904 if test "$target_list_exclude"; then 905 error_exit "Can't mix --target-list with --target-list-exclude" 906 fi 907 ;; 908 --target-list-exclude=*) target_list_exclude="$optarg" 909 if test "$target_list"; then 910 error_exit "Can't mix --target-list-exclude with --target-list" 911 fi 912 ;; 913 --enable-trace-backends=*) trace_backends="$optarg" 914 ;; 915 # XXX: backwards compatibility 916 --enable-trace-backend=*) trace_backends="$optarg" 917 ;; 918 --with-trace-file=*) trace_file="$optarg" 919 ;; 920 --with-default-devices) default_devices="true" 921 ;; 922 --without-default-devices) default_devices="false" 923 ;; 924 --without-default-features) # processed above 925 ;; 926 --enable-gprof) gprof="yes" 927 ;; 928 --enable-gcov) gcov="yes" 929 ;; 930 --static) 931 static="yes" 932 QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS" 933 ;; 934 --mandir=*) mandir="$optarg" 935 ;; 936 --bindir=*) bindir="$optarg" 937 ;; 938 --libdir=*) libdir="$optarg" 939 ;; 940 --libexecdir=*) libexecdir="$optarg" 941 ;; 942 --includedir=*) includedir="$optarg" 943 ;; 944 --datadir=*) datadir="$optarg" 945 ;; 946 --with-suffix=*) qemu_suffix="$optarg" 947 ;; 948 --docdir=*) docdir="$optarg" 949 ;; 950 --localedir=*) localedir="$optarg" 951 ;; 952 --sysconfdir=*) sysconfdir="$optarg" 953 ;; 954 --localstatedir=*) local_statedir="$optarg" 955 ;; 956 --firmwarepath=*) firmwarepath="$optarg" 957 ;; 958 --host=*|--build=*|\ 959 --disable-dependency-tracking|\ 960 --sbindir=*|--sharedstatedir=*|\ 961 --oldincludedir=*|--datarootdir=*|--infodir=*|\ 962 --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*) 963 # These switches are silently ignored, for compatibility with 964 # autoconf-generated configure scripts. This allows QEMU's 965 # configure to be used by RPM and similar macros that set 966 # lots of directory switches by default. 967 ;; 968 --disable-sdl) sdl="disabled" 969 ;; 970 --enable-sdl) sdl="enabled" 971 ;; 972 --disable-sdl-image) sdl_image="disabled" 973 ;; 974 --enable-sdl-image) sdl_image="enabled" 975 ;; 976 --disable-qom-cast-debug) qom_cast_debug="no" 977 ;; 978 --enable-qom-cast-debug) qom_cast_debug="yes" 979 ;; 980 --disable-virtfs) virtfs="disabled" 981 ;; 982 --enable-virtfs) virtfs="enabled" 983 ;; 984 --disable-libudev) libudev="disabled" 985 ;; 986 --enable-libudev) libudev="enabled" 987 ;; 988 --disable-virtiofsd) virtiofsd="disabled" 989 ;; 990 --enable-virtiofsd) virtiofsd="enabled" 991 ;; 992 --disable-mpath) mpath="disabled" 993 ;; 994 --enable-mpath) mpath="enabled" 995 ;; 996 --disable-vnc) vnc="disabled" 997 ;; 998 --enable-vnc) vnc="enabled" 999 ;; 1000 --disable-gettext) gettext="disabled" 1001 ;; 1002 --enable-gettext) gettext="enabled" 1003 ;; 1004 --oss-lib=*) oss_lib="$optarg" 1005 ;; 1006 --audio-drv-list=*) audio_drv_list="$optarg" 1007 ;; 1008 --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g') 1009 ;; 1010 --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g') 1011 ;; 1012 --enable-debug-tcg) debug_tcg="yes" 1013 ;; 1014 --disable-debug-tcg) debug_tcg="no" 1015 ;; 1016 --enable-debug) 1017 # Enable debugging options that aren't excessively noisy 1018 debug_tcg="yes" 1019 debug_mutex="yes" 1020 debug="yes" 1021 strip_opt="no" 1022 fortify_source="no" 1023 ;; 1024 --enable-sanitizers) sanitizers="yes" 1025 ;; 1026 --disable-sanitizers) sanitizers="no" 1027 ;; 1028 --enable-tsan) tsan="yes" 1029 ;; 1030 --disable-tsan) tsan="no" 1031 ;; 1032 --enable-sparse) sparse="enabled" 1033 ;; 1034 --disable-sparse) sparse="disabled" 1035 ;; 1036 --disable-strip) strip_opt="no" 1037 ;; 1038 --disable-vnc-sasl) vnc_sasl="disabled" 1039 ;; 1040 --enable-vnc-sasl) vnc_sasl="enabled" 1041 ;; 1042 --disable-vnc-jpeg) vnc_jpeg="disabled" 1043 ;; 1044 --enable-vnc-jpeg) vnc_jpeg="enabled" 1045 ;; 1046 --disable-vnc-png) vnc_png="disabled" 1047 ;; 1048 --enable-vnc-png) vnc_png="enabled" 1049 ;; 1050 --disable-slirp) slirp="disabled" 1051 ;; 1052 --enable-slirp) slirp="enabled" 1053 ;; 1054 --enable-slirp=git) slirp="internal" 1055 ;; 1056 --enable-slirp=system) slirp="system" 1057 ;; 1058 --disable-vde) vde="no" 1059 ;; 1060 --enable-vde) vde="yes" 1061 ;; 1062 --disable-netmap) netmap="no" 1063 ;; 1064 --enable-netmap) netmap="yes" 1065 ;; 1066 --disable-xen) xen="disabled" 1067 ;; 1068 --enable-xen) xen="enabled" 1069 ;; 1070 --disable-xen-pci-passthrough) xen_pci_passthrough="disabled" 1071 ;; 1072 --enable-xen-pci-passthrough) xen_pci_passthrough="enabled" 1073 ;; 1074 --disable-brlapi) brlapi="disabled" 1075 ;; 1076 --enable-brlapi) brlapi="enabled" 1077 ;; 1078 --disable-kvm) kvm="disabled" 1079 ;; 1080 --enable-kvm) kvm="enabled" 1081 ;; 1082 --disable-hax) hax="disabled" 1083 ;; 1084 --enable-hax) hax="enabled" 1085 ;; 1086 --disable-hvf) hvf="disabled" 1087 ;; 1088 --enable-hvf) hvf="enabled" 1089 ;; 1090 --disable-nvmm) nvmm="disabled" 1091 ;; 1092 --enable-nvmm) nvmm="enabled" 1093 ;; 1094 --disable-whpx) whpx="disabled" 1095 ;; 1096 --enable-whpx) whpx="enabled" 1097 ;; 1098 --disable-tcg-interpreter) tcg_interpreter="false" 1099 ;; 1100 --enable-tcg-interpreter) tcg_interpreter="true" 1101 ;; 1102 --disable-cap-ng) cap_ng="disabled" 1103 ;; 1104 --enable-cap-ng) cap_ng="enabled" 1105 ;; 1106 --disable-tcg) tcg="disabled" 1107 ;; 1108 --enable-tcg) tcg="enabled" 1109 ;; 1110 --disable-malloc-trim) malloc_trim="disabled" 1111 ;; 1112 --enable-malloc-trim) malloc_trim="enabled" 1113 ;; 1114 --disable-spice) spice="no" 1115 ;; 1116 --enable-spice) 1117 spice_protocol="yes" 1118 spice="yes" 1119 ;; 1120 --disable-spice-protocol) 1121 spice_protocol="no" 1122 spice="no" 1123 ;; 1124 --enable-spice-protocol) spice_protocol="yes" 1125 ;; 1126 --disable-libiscsi) libiscsi="disabled" 1127 ;; 1128 --enable-libiscsi) libiscsi="enabled" 1129 ;; 1130 --disable-libnfs) libnfs="disabled" 1131 ;; 1132 --enable-libnfs) libnfs="enabled" 1133 ;; 1134 --enable-profiler) profiler="yes" 1135 ;; 1136 --disable-cocoa) cocoa="disabled" 1137 ;; 1138 --enable-cocoa) cocoa="enabled" 1139 ;; 1140 --disable-system) softmmu="no" 1141 ;; 1142 --enable-system) softmmu="yes" 1143 ;; 1144 --disable-user) 1145 linux_user="no" ; 1146 bsd_user="no" ; 1147 ;; 1148 --enable-user) ;; 1149 --disable-linux-user) linux_user="no" 1150 ;; 1151 --enable-linux-user) linux_user="yes" 1152 ;; 1153 --disable-bsd-user) bsd_user="no" 1154 ;; 1155 --enable-bsd-user) bsd_user="yes" 1156 ;; 1157 --enable-pie) pie="yes" 1158 ;; 1159 --disable-pie) pie="no" 1160 ;; 1161 --enable-werror) werror="yes" 1162 ;; 1163 --disable-werror) werror="no" 1164 ;; 1165 --enable-lto) lto="true" 1166 ;; 1167 --disable-lto) lto="false" 1168 ;; 1169 --enable-stack-protector) stack_protector="yes" 1170 ;; 1171 --disable-stack-protector) stack_protector="no" 1172 ;; 1173 --enable-safe-stack) safe_stack="yes" 1174 ;; 1175 --disable-safe-stack) safe_stack="no" 1176 ;; 1177 --enable-cfi) 1178 cfi="true"; 1179 lto="true"; 1180 ;; 1181 --disable-cfi) cfi="false" 1182 ;; 1183 --enable-cfi-debug) cfi_debug="true" 1184 ;; 1185 --disable-cfi-debug) cfi_debug="false" 1186 ;; 1187 --disable-curses) curses="disabled" 1188 ;; 1189 --enable-curses) curses="enabled" 1190 ;; 1191 --disable-iconv) iconv="disabled" 1192 ;; 1193 --enable-iconv) iconv="enabled" 1194 ;; 1195 --disable-curl) curl="disabled" 1196 ;; 1197 --enable-curl) curl="enabled" 1198 ;; 1199 --disable-fdt) fdt="disabled" 1200 ;; 1201 --enable-fdt) fdt="enabled" 1202 ;; 1203 --enable-fdt=git) fdt="internal" 1204 ;; 1205 --enable-fdt=system) fdt="system" 1206 ;; 1207 --disable-linux-aio) linux_aio="no" 1208 ;; 1209 --enable-linux-aio) linux_aio="yes" 1210 ;; 1211 --disable-linux-io-uring) linux_io_uring="no" 1212 ;; 1213 --enable-linux-io-uring) linux_io_uring="yes" 1214 ;; 1215 --disable-attr) attr="disabled" 1216 ;; 1217 --enable-attr) attr="enabled" 1218 ;; 1219 --disable-membarrier) membarrier="no" 1220 ;; 1221 --enable-membarrier) membarrier="yes" 1222 ;; 1223 --disable-bpf) bpf="disabled" 1224 ;; 1225 --enable-bpf) bpf="enabled" 1226 ;; 1227 --disable-blobs) blobs="false" 1228 ;; 1229 --with-pkgversion=*) pkgversion="$optarg" 1230 ;; 1231 --with-coroutine=*) coroutine="$optarg" 1232 ;; 1233 --disable-coroutine-pool) coroutine_pool="no" 1234 ;; 1235 --enable-coroutine-pool) coroutine_pool="yes" 1236 ;; 1237 --enable-debug-stack-usage) debug_stack_usage="yes" 1238 ;; 1239 --enable-crypto-afalg) crypto_afalg="yes" 1240 ;; 1241 --disable-crypto-afalg) crypto_afalg="no" 1242 ;; 1243 --disable-docs) docs="disabled" 1244 ;; 1245 --enable-docs) docs="enabled" 1246 ;; 1247 --disable-vhost-net) vhost_net="no" 1248 ;; 1249 --enable-vhost-net) vhost_net="yes" 1250 ;; 1251 --disable-vhost-crypto) vhost_crypto="no" 1252 ;; 1253 --enable-vhost-crypto) vhost_crypto="yes" 1254 ;; 1255 --disable-vhost-scsi) vhost_scsi="no" 1256 ;; 1257 --enable-vhost-scsi) vhost_scsi="yes" 1258 ;; 1259 --disable-vhost-vsock) vhost_vsock="no" 1260 ;; 1261 --enable-vhost-vsock) vhost_vsock="yes" 1262 ;; 1263 --disable-vhost-user-blk-server) vhost_user_blk_server="disabled" 1264 ;; 1265 --enable-vhost-user-blk-server) vhost_user_blk_server="enabled" 1266 ;; 1267 --disable-vhost-user-fs) vhost_user_fs="no" 1268 ;; 1269 --enable-vhost-user-fs) vhost_user_fs="yes" 1270 ;; 1271 --disable-opengl) opengl="no" 1272 ;; 1273 --enable-opengl) opengl="yes" 1274 ;; 1275 --disable-rbd) rbd="disabled" 1276 ;; 1277 --enable-rbd) rbd="enabled" 1278 ;; 1279 --disable-xfsctl) xfs="no" 1280 ;; 1281 --enable-xfsctl) xfs="yes" 1282 ;; 1283 --disable-smartcard) smartcard="no" 1284 ;; 1285 --enable-smartcard) smartcard="yes" 1286 ;; 1287 --disable-u2f) u2f="disabled" 1288 ;; 1289 --enable-u2f) u2f="enabled" 1290 ;; 1291 --disable-libusb) libusb="no" 1292 ;; 1293 --enable-libusb) libusb="yes" 1294 ;; 1295 --disable-usb-redir) usb_redir="no" 1296 ;; 1297 --enable-usb-redir) usb_redir="yes" 1298 ;; 1299 --disable-zlib-test) 1300 ;; 1301 --disable-lzo) lzo="disabled" 1302 ;; 1303 --enable-lzo) lzo="enabled" 1304 ;; 1305 --disable-snappy) snappy="disabled" 1306 ;; 1307 --enable-snappy) snappy="enabled" 1308 ;; 1309 --disable-bzip2) bzip2="disabled" 1310 ;; 1311 --enable-bzip2) bzip2="enabled" 1312 ;; 1313 --enable-lzfse) lzfse="enabled" 1314 ;; 1315 --disable-lzfse) lzfse="disabled" 1316 ;; 1317 --disable-zstd) zstd="disabled" 1318 ;; 1319 --enable-zstd) zstd="enabled" 1320 ;; 1321 --enable-guest-agent) guest_agent="yes" 1322 ;; 1323 --disable-guest-agent) guest_agent="no" 1324 ;; 1325 --enable-guest-agent-msi) guest_agent_msi="enabled" 1326 ;; 1327 --disable-guest-agent-msi) guest_agent_msi="disabled" 1328 ;; 1329 --with-vss-sdk) vss_win32_sdk="" 1330 ;; 1331 --with-vss-sdk=*) vss_win32_sdk="$optarg" 1332 ;; 1333 --without-vss-sdk) vss_win32_sdk="no" 1334 ;; 1335 --with-win-sdk) win_sdk="" 1336 ;; 1337 --with-win-sdk=*) win_sdk="$optarg" 1338 ;; 1339 --without-win-sdk) win_sdk="no" 1340 ;; 1341 --enable-tools) want_tools="yes" 1342 ;; 1343 --disable-tools) want_tools="no" 1344 ;; 1345 --enable-seccomp) seccomp="enabled" 1346 ;; 1347 --disable-seccomp) seccomp="disabled" 1348 ;; 1349 --disable-glusterfs) glusterfs="disabled" 1350 ;; 1351 --disable-avx2) avx2_opt="no" 1352 ;; 1353 --enable-avx2) avx2_opt="yes" 1354 ;; 1355 --disable-avx512f) avx512f_opt="no" 1356 ;; 1357 --enable-avx512f) avx512f_opt="yes" 1358 ;; 1359 1360 --enable-glusterfs) glusterfs="enabled" 1361 ;; 1362 --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane) 1363 echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2 1364 ;; 1365 --enable-vhdx|--disable-vhdx) 1366 echo "$0: $opt is obsolete, VHDX driver is always built" >&2 1367 ;; 1368 --enable-uuid|--disable-uuid) 1369 echo "$0: $opt is obsolete, UUID support is always built" >&2 1370 ;; 1371 --disable-gtk) gtk="disabled" 1372 ;; 1373 --enable-gtk) gtk="enabled" 1374 ;; 1375 --tls-priority=*) tls_priority="$optarg" 1376 ;; 1377 --disable-gnutls) gnutls="no" 1378 ;; 1379 --enable-gnutls) gnutls="yes" 1380 ;; 1381 --disable-nettle) nettle="no" 1382 ;; 1383 --enable-nettle) nettle="yes" 1384 ;; 1385 --disable-gcrypt) gcrypt="no" 1386 ;; 1387 --enable-gcrypt) gcrypt="yes" 1388 ;; 1389 --disable-auth-pam) auth_pam="no" 1390 ;; 1391 --enable-auth-pam) auth_pam="yes" 1392 ;; 1393 --enable-rdma) rdma="yes" 1394 ;; 1395 --disable-rdma) rdma="no" 1396 ;; 1397 --enable-pvrdma) pvrdma="yes" 1398 ;; 1399 --disable-pvrdma) pvrdma="no" 1400 ;; 1401 --disable-vte) vte="no" 1402 ;; 1403 --enable-vte) vte="yes" 1404 ;; 1405 --disable-virglrenderer) virglrenderer="no" 1406 ;; 1407 --enable-virglrenderer) virglrenderer="yes" 1408 ;; 1409 --disable-tpm) tpm="no" 1410 ;; 1411 --enable-tpm) tpm="yes" 1412 ;; 1413 --disable-libssh) libssh="no" 1414 ;; 1415 --enable-libssh) libssh="yes" 1416 ;; 1417 --disable-live-block-migration) live_block_migration="no" 1418 ;; 1419 --enable-live-block-migration) live_block_migration="yes" 1420 ;; 1421 --disable-numa) numa="no" 1422 ;; 1423 --enable-numa) numa="yes" 1424 ;; 1425 --disable-libxml2) libxml2="no" 1426 ;; 1427 --enable-libxml2) libxml2="yes" 1428 ;; 1429 --disable-tcmalloc) tcmalloc="no" 1430 ;; 1431 --enable-tcmalloc) tcmalloc="yes" 1432 ;; 1433 --disable-jemalloc) jemalloc="no" 1434 ;; 1435 --enable-jemalloc) jemalloc="yes" 1436 ;; 1437 --disable-replication) replication="no" 1438 ;; 1439 --enable-replication) replication="yes" 1440 ;; 1441 --disable-bochs) bochs="no" 1442 ;; 1443 --enable-bochs) bochs="yes" 1444 ;; 1445 --disable-cloop) cloop="no" 1446 ;; 1447 --enable-cloop) cloop="yes" 1448 ;; 1449 --disable-dmg) dmg="no" 1450 ;; 1451 --enable-dmg) dmg="yes" 1452 ;; 1453 --disable-qcow1) qcow1="no" 1454 ;; 1455 --enable-qcow1) qcow1="yes" 1456 ;; 1457 --disable-vdi) vdi="no" 1458 ;; 1459 --enable-vdi) vdi="yes" 1460 ;; 1461 --disable-vvfat) vvfat="no" 1462 ;; 1463 --enable-vvfat) vvfat="yes" 1464 ;; 1465 --disable-qed) qed="no" 1466 ;; 1467 --enable-qed) qed="yes" 1468 ;; 1469 --disable-parallels) parallels="no" 1470 ;; 1471 --enable-parallels) parallels="yes" 1472 ;; 1473 --disable-vhost-user) vhost_user="no" 1474 ;; 1475 --enable-vhost-user) vhost_user="yes" 1476 ;; 1477 --disable-vhost-vdpa) vhost_vdpa="no" 1478 ;; 1479 --enable-vhost-vdpa) vhost_vdpa="yes" 1480 ;; 1481 --disable-vhost-kernel) vhost_kernel="no" 1482 ;; 1483 --enable-vhost-kernel) vhost_kernel="yes" 1484 ;; 1485 --disable-capstone) capstone="disabled" 1486 ;; 1487 --enable-capstone) capstone="enabled" 1488 ;; 1489 --enable-capstone=git) capstone="internal" 1490 ;; 1491 --enable-capstone=system) capstone="system" 1492 ;; 1493 --with-git=*) git="$optarg" 1494 ;; 1495 --enable-git-update) 1496 git_submodules_action="update" 1497 echo "--enable-git-update deprecated, use --with-git-submodules=update" 1498 ;; 1499 --disable-git-update) 1500 git_submodules_action="validate" 1501 echo "--disable-git-update deprecated, use --with-git-submodules=validate" 1502 ;; 1503 --with-git-submodules=*) 1504 git_submodules_action="$optarg" 1505 ;; 1506 --enable-debug-mutex) debug_mutex=yes 1507 ;; 1508 --disable-debug-mutex) debug_mutex=no 1509 ;; 1510 --enable-libpmem) libpmem=yes 1511 ;; 1512 --disable-libpmem) libpmem=no 1513 ;; 1514 --enable-xkbcommon) xkbcommon="enabled" 1515 ;; 1516 --disable-xkbcommon) xkbcommon="disabled" 1517 ;; 1518 --enable-plugins) plugins="yes" 1519 ;; 1520 --disable-plugins) plugins="no" 1521 ;; 1522 --enable-containers) use_containers="yes" 1523 ;; 1524 --disable-containers) use_containers="no" 1525 ;; 1526 --enable-fuzzing) fuzzing=yes 1527 ;; 1528 --disable-fuzzing) fuzzing=no 1529 ;; 1530 --gdb=*) gdb_bin="$optarg" 1531 ;; 1532 --enable-rng-none) rng_none=yes 1533 ;; 1534 --disable-rng-none) rng_none=no 1535 ;; 1536 --enable-keyring) secret_keyring="yes" 1537 ;; 1538 --disable-keyring) secret_keyring="no" 1539 ;; 1540 --enable-libdaxctl) libdaxctl=yes 1541 ;; 1542 --disable-libdaxctl) libdaxctl=no 1543 ;; 1544 --enable-fuse) fuse="enabled" 1545 ;; 1546 --disable-fuse) fuse="disabled" 1547 ;; 1548 --enable-fuse-lseek) fuse_lseek="enabled" 1549 ;; 1550 --disable-fuse-lseek) fuse_lseek="disabled" 1551 ;; 1552 --enable-multiprocess) multiprocess="enabled" 1553 ;; 1554 --disable-multiprocess) multiprocess="disabled" 1555 ;; 1556 --enable-gio) gio=yes 1557 ;; 1558 --disable-gio) gio=no 1559 ;; 1560 --enable-slirp-smbd) slirp_smbd=yes 1561 ;; 1562 --disable-slirp-smbd) slirp_smbd=no 1563 ;; 1564 *) 1565 echo "ERROR: unknown option $opt" 1566 echo "Try '$0 --help' for more information" 1567 exit 1 1568 ;; 1569 esac 1570done 1571 1572case $git_submodules_action in 1573 update|validate) 1574 if test ! -e "$source_path/.git"; then 1575 echo "ERROR: cannot $git_submodules_action git submodules without .git" 1576 exit 1 1577 fi 1578 ;; 1579 ignore) 1580 if ! test -f "$source_path/ui/keycodemapdb/README" 1581 then 1582 echo 1583 echo "ERROR: missing GIT submodules" 1584 echo 1585 if test -e "$source_path/.git"; then 1586 echo "--with-git-submodules=ignore specified but submodules were not" 1587 echo "checked out. Please initialize and update submodules." 1588 else 1589 echo "This is not a GIT checkout but module content appears to" 1590 echo "be missing. Do not use 'git archive' or GitHub download links" 1591 echo "to acquire QEMU source archives. Non-GIT builds are only" 1592 echo "supported with source archives linked from:" 1593 echo 1594 echo " https://www.qemu.org/download/#source" 1595 echo 1596 echo "Developers working with GIT can use scripts/archive-source.sh" 1597 echo "if they need to create valid source archives." 1598 fi 1599 echo 1600 exit 1 1601 fi 1602 ;; 1603 *) 1604 echo "ERROR: invalid --with-git-submodules= value '$git_submodules_action'" 1605 exit 1 1606 ;; 1607esac 1608 1609libdir="${libdir:-$prefix/lib}" 1610libexecdir="${libexecdir:-$prefix/libexec}" 1611includedir="${includedir:-$prefix/include}" 1612 1613if test "$mingw32" = "yes" ; then 1614 bindir="${bindir:-$prefix}" 1615else 1616 bindir="${bindir:-$prefix/bin}" 1617fi 1618mandir="${mandir:-$prefix/share/man}" 1619datadir="${datadir:-$prefix/share}" 1620docdir="${docdir:-$prefix/share/doc}" 1621sysconfdir="${sysconfdir:-$prefix/etc}" 1622local_statedir="${local_statedir:-$prefix/var}" 1623firmwarepath="${firmwarepath:-$datadir/qemu-firmware}" 1624localedir="${localedir:-$datadir/locale}" 1625 1626case "$cpu" in 1627 ppc) 1628 CPU_CFLAGS="-m32" 1629 QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS" 1630 ;; 1631 ppc64) 1632 CPU_CFLAGS="-m64" 1633 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS" 1634 ;; 1635 sparc) 1636 CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc" 1637 QEMU_LDFLAGS="-m32 -mv8plus $QEMU_LDFLAGS" 1638 ;; 1639 sparc64) 1640 CPU_CFLAGS="-m64 -mcpu=ultrasparc" 1641 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS" 1642 ;; 1643 s390) 1644 CPU_CFLAGS="-m31" 1645 QEMU_LDFLAGS="-m31 $QEMU_LDFLAGS" 1646 ;; 1647 s390x) 1648 CPU_CFLAGS="-m64" 1649 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS" 1650 ;; 1651 i386) 1652 CPU_CFLAGS="-m32" 1653 QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS" 1654 ;; 1655 x86_64) 1656 # ??? Only extremely old AMD cpus do not have cmpxchg16b. 1657 # If we truly care, we should simply detect this case at 1658 # runtime and generate the fallback to serial emulation. 1659 CPU_CFLAGS="-m64 -mcx16" 1660 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS" 1661 ;; 1662 x32) 1663 CPU_CFLAGS="-mx32" 1664 QEMU_LDFLAGS="-mx32 $QEMU_LDFLAGS" 1665 ;; 1666 # No special flags required for other host CPUs 1667esac 1668 1669eval "cross_cc_${cpu}=\$cc" 1670cross_cc_vars="$cross_cc_vars cross_cc_${cpu}" 1671QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS" 1672 1673# For user-mode emulation the host arch has to be one we explicitly 1674# support, even if we're using TCI. 1675if [ "$ARCH" = "unknown" ]; then 1676 bsd_user="no" 1677 linux_user="no" 1678fi 1679 1680default_target_list="" 1681deprecated_targets_list=ppc64abi32-linux-user 1682deprecated_features="" 1683mak_wilds="" 1684 1685if [ "$softmmu" = "yes" ]; then 1686 mak_wilds="${mak_wilds} $source_path/default-configs/targets/*-softmmu.mak" 1687fi 1688if [ "$linux_user" = "yes" ]; then 1689 mak_wilds="${mak_wilds} $source_path/default-configs/targets/*-linux-user.mak" 1690fi 1691if [ "$bsd_user" = "yes" ]; then 1692 mak_wilds="${mak_wilds} $source_path/default-configs/targets/*-bsd-user.mak" 1693fi 1694 1695# If the user doesn't explicitly specify a deprecated target we will 1696# skip it. 1697if test -z "$target_list"; then 1698 if test -z "$target_list_exclude"; then 1699 target_list_exclude="$deprecated_targets_list" 1700 else 1701 target_list_exclude="$target_list_exclude,$deprecated_targets_list" 1702 fi 1703fi 1704 1705for config in $mak_wilds; do 1706 target="$(basename "$config" .mak)" 1707 if echo "$target_list_exclude" | grep -vq "$target"; then 1708 default_target_list="${default_target_list} $target" 1709 fi 1710done 1711 1712# Enumerate public trace backends for --help output 1713trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/')) 1714 1715if test x"$show_help" = x"yes" ; then 1716cat << EOF 1717 1718Usage: configure [options] 1719Options: [defaults in brackets after descriptions] 1720 1721Standard options: 1722 --help print this message 1723 --prefix=PREFIX install in PREFIX [$prefix] 1724 --interp-prefix=PREFIX where to find shared libraries, etc. 1725 use %M for cpu name [$interp_prefix] 1726 --target-list=LIST set target list (default: build all non-deprecated) 1727$(echo Available targets: $default_target_list | \ 1728 fold -s -w 53 | sed -e 's/^/ /') 1729$(echo Deprecated targets: $deprecated_targets_list | \ 1730 fold -s -w 53 | sed -e 's/^/ /') 1731 --target-list-exclude=LIST exclude a set of targets from the default target-list 1732 1733Advanced options (experts only): 1734 --cross-prefix=PREFIX use PREFIX for compile tools, PREFIX can be blank [$cross_prefix] 1735 --cc=CC use C compiler CC [$cc] 1736 --iasl=IASL use ACPI compiler IASL [$iasl] 1737 --host-cc=CC use C compiler CC [$host_cc] for code run at 1738 build time 1739 --cxx=CXX use C++ compiler CXX [$cxx] 1740 --objcc=OBJCC use Objective-C compiler OBJCC [$objcc] 1741 --extra-cflags=CFLAGS append extra C compiler flags QEMU_CFLAGS 1742 --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS 1743 --extra-ldflags=LDFLAGS append extra linker flags LDFLAGS 1744 --cross-cc-ARCH=CC use compiler when building ARCH guest test cases 1745 --cross-cc-flags-ARCH= use compiler flags when building ARCH guest tests 1746 --make=MAKE use specified make [$make] 1747 --python=PYTHON use specified python [$python] 1748 --sphinx-build=SPHINX use specified sphinx-build [$sphinx_build] 1749 --meson=MESON use specified meson [$meson] 1750 --ninja=NINJA use specified ninja [$ninja] 1751 --smbd=SMBD use specified smbd [$smbd] 1752 --with-git=GIT use specified git [$git] 1753 --with-git-submodules=update update git submodules (default if .git dir exists) 1754 --with-git-submodules=validate fail if git submodules are not up to date 1755 --with-git-submodules=ignore do not update or check git submodules (default if no .git dir) 1756 --static enable static build [$static] 1757 --mandir=PATH install man pages in PATH 1758 --datadir=PATH install firmware in PATH/$qemu_suffix 1759 --localedir=PATH install translation in PATH/$qemu_suffix 1760 --docdir=PATH install documentation in PATH/$qemu_suffix 1761 --bindir=PATH install binaries in PATH 1762 --libdir=PATH install libraries in PATH 1763 --libexecdir=PATH install helper binaries in PATH 1764 --sysconfdir=PATH install config in PATH/$qemu_suffix 1765 --localstatedir=PATH install local state in PATH (set at runtime on win32) 1766 --firmwarepath=PATH search PATH for firmware files 1767 --efi-aarch64=PATH PATH of efi file to use for aarch64 VMs. 1768 --with-suffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix] 1769 --with-pkgversion=VERS use specified string as sub-version of the package 1770 --without-default-features default all --enable-* options to "disabled" 1771 --without-default-devices do not include any device that is not needed to 1772 start the emulator (only use if you are including 1773 desired devices in default-configs/devices/) 1774 --enable-debug enable common debug build options 1775 --enable-sanitizers enable default sanitizers 1776 --enable-tsan enable thread sanitizer 1777 --disable-strip disable stripping binaries 1778 --disable-werror disable compilation abort on warning 1779 --disable-stack-protector disable compiler-provided stack protection 1780 --audio-drv-list=LIST set audio drivers list: 1781 Available drivers: $audio_possible_drivers 1782 --block-drv-whitelist=L Same as --block-drv-rw-whitelist=L 1783 --block-drv-rw-whitelist=L 1784 set block driver read-write whitelist 1785 (affects only QEMU, not qemu-img) 1786 --block-drv-ro-whitelist=L 1787 set block driver read-only whitelist 1788 (affects only QEMU, not qemu-img) 1789 --enable-trace-backends=B Set trace backend 1790 Available backends: $trace_backend_list 1791 --with-trace-file=NAME Full PATH,NAME of file to store traces 1792 Default:trace-<pid> 1793 --disable-slirp disable SLIRP userspace network connectivity 1794 --enable-tcg-interpreter enable TCI (TCG with bytecode interpreter, experimental and slow) 1795 --enable-malloc-trim enable libc malloc_trim() for memory optimization 1796 --oss-lib path to OSS library 1797 --cpu=CPU Build for host CPU [$cpu] 1798 --with-coroutine=BACKEND coroutine backend. Supported options: 1799 ucontext, sigaltstack, windows 1800 --enable-gcov enable test coverage analysis with gcov 1801 --disable-blobs disable installing provided firmware blobs 1802 --with-vss-sdk=SDK-path enable Windows VSS support in QEMU Guest Agent 1803 --with-win-sdk=SDK-path path to Windows Platform SDK (to build VSS .tlb) 1804 --tls-priority default TLS protocol/cipher priority string 1805 --enable-gprof QEMU profiling with gprof 1806 --enable-profiler profiler support 1807 --enable-debug-stack-usage 1808 track the maximum stack usage of stacks created by qemu_alloc_stack 1809 --enable-plugins 1810 enable plugins via shared library loading 1811 --disable-containers don't use containers for cross-building 1812 --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin] 1813 1814Optional features, enabled with --enable-FEATURE and 1815disabled with --disable-FEATURE, default is enabled if available 1816(unless built with --without-default-features): 1817 1818 system all system emulation targets 1819 user supported user emulation targets 1820 linux-user all linux usermode emulation targets 1821 bsd-user all BSD usermode emulation targets 1822 docs build documentation 1823 guest-agent build the QEMU Guest Agent 1824 guest-agent-msi build guest agent Windows MSI installation package 1825 pie Position Independent Executables 1826 modules modules support (non-Windows) 1827 module-upgrades try to load modules from alternate paths for upgrades 1828 debug-tcg TCG debugging (default is disabled) 1829 debug-info debugging information 1830 lto Enable Link-Time Optimization. 1831 sparse sparse checker 1832 safe-stack SafeStack Stack Smash Protection. Depends on 1833 clang/llvm >= 3.7 and requires coroutine backend ucontext. 1834 cfi Enable Control-Flow Integrity for indirect function calls. 1835 In case of a cfi violation, QEMU is terminated with SIGILL 1836 Depends on lto and is incompatible with modules 1837 Automatically enables Link-Time Optimization (lto) 1838 cfi-debug In case of a cfi violation, a message containing the line that 1839 triggered the error is written to stderr. After the error, 1840 QEMU is still terminated with SIGILL 1841 gnutls GNUTLS cryptography support 1842 nettle nettle cryptography support 1843 gcrypt libgcrypt cryptography support 1844 auth-pam PAM access control 1845 sdl SDL UI 1846 sdl-image SDL Image support for icons 1847 gtk gtk UI 1848 vte vte support for the gtk UI 1849 curses curses UI 1850 iconv font glyph conversion support 1851 vnc VNC UI support 1852 vnc-sasl SASL encryption for VNC server 1853 vnc-jpeg JPEG lossy compression for VNC server 1854 vnc-png PNG compression for VNC server 1855 cocoa Cocoa UI (Mac OS X only) 1856 virtfs VirtFS 1857 virtiofsd build virtiofs daemon (virtiofsd) 1858 libudev Use libudev to enumerate host devices 1859 mpath Multipath persistent reservation passthrough 1860 xen xen backend driver support 1861 xen-pci-passthrough PCI passthrough support for Xen 1862 brlapi BrlAPI (Braile) 1863 curl curl connectivity 1864 membarrier membarrier system call (for Linux 4.14+ or Windows) 1865 fdt fdt device tree 1866 kvm KVM acceleration support 1867 hax HAX acceleration support 1868 hvf Hypervisor.framework acceleration support 1869 nvmm NVMM acceleration support 1870 whpx Windows Hypervisor Platform acceleration support 1871 rdma Enable RDMA-based migration 1872 pvrdma Enable PVRDMA support 1873 vde support for vde network 1874 netmap support for netmap network 1875 linux-aio Linux AIO support 1876 linux-io-uring Linux io_uring support 1877 cap-ng libcap-ng support 1878 attr attr and xattr support 1879 vhost-net vhost-net kernel acceleration support 1880 vhost-vsock virtio sockets device support 1881 vhost-scsi vhost-scsi kernel target support 1882 vhost-crypto vhost-user-crypto backend support 1883 vhost-kernel vhost kernel backend support 1884 vhost-user vhost-user backend support 1885 vhost-user-blk-server vhost-user-blk server support 1886 vhost-vdpa vhost-vdpa kernel backend support 1887 bpf BPF kernel support 1888 spice spice 1889 spice-protocol spice-protocol 1890 rbd rados block device (rbd) 1891 libiscsi iscsi support 1892 libnfs nfs support 1893 smartcard smartcard support (libcacard) 1894 u2f U2F support (u2f-emu) 1895 libusb libusb (for usb passthrough) 1896 live-block-migration Block migration in the main migration stream 1897 usb-redir usb network redirection support 1898 lzo support of lzo compression library 1899 snappy support of snappy compression library 1900 bzip2 support of bzip2 compression library 1901 (for reading bzip2-compressed dmg images) 1902 lzfse support of lzfse compression library 1903 (for reading lzfse-compressed dmg images) 1904 zstd support for zstd compression library 1905 (for migration compression and qcow2 cluster compression) 1906 seccomp seccomp support 1907 coroutine-pool coroutine freelist (better performance) 1908 glusterfs GlusterFS backend 1909 tpm TPM support 1910 libssh ssh block device support 1911 numa libnuma support 1912 libxml2 for Parallels image format 1913 tcmalloc tcmalloc support 1914 jemalloc jemalloc support 1915 avx2 AVX2 optimization support 1916 avx512f AVX512F optimization support 1917 replication replication support 1918 opengl opengl support 1919 virglrenderer virgl rendering support 1920 xfsctl xfsctl support 1921 qom-cast-debug cast debugging support 1922 tools build qemu-io, qemu-nbd and qemu-img tools 1923 bochs bochs image format support 1924 cloop cloop image format support 1925 dmg dmg image format support 1926 qcow1 qcow v1 image format support 1927 vdi vdi image format support 1928 vvfat vvfat image format support 1929 qed qed image format support 1930 parallels parallels image format support 1931 crypto-afalg Linux AF_ALG crypto backend driver 1932 capstone capstone disassembler support 1933 debug-mutex mutex debugging support 1934 libpmem libpmem support 1935 xkbcommon xkbcommon support 1936 rng-none dummy RNG, avoid using /dev/(u)random and getrandom() 1937 libdaxctl libdaxctl support 1938 fuse FUSE block device export 1939 fuse-lseek SEEK_HOLE/SEEK_DATA support for FUSE exports 1940 multiprocess Out of process device emulation support 1941 gio libgio support 1942 slirp-smbd use smbd (at path --smbd=*) in slirp networking 1943 1944NOTE: The object files are built at the place where configure is launched 1945EOF 1946exit 0 1947fi 1948 1949# Remove old dependency files to make sure that they get properly regenerated 1950rm -f */config-devices.mak.d 1951 1952if test -z "$python" 1953then 1954 error_exit "Python not found. Use --python=/path/to/python" 1955fi 1956if ! has "$make" 1957then 1958 error_exit "GNU make ($make) not found" 1959fi 1960 1961# Note that if the Python conditional here evaluates True we will exit 1962# with status 1 which is a shell 'false' value. 1963if ! $python -c 'import sys; sys.exit(sys.version_info < (3,6))'; then 1964 error_exit "Cannot use '$python', Python >= 3.6 is required." \ 1965 "Use --python=/path/to/python to specify a supported Python." 1966fi 1967 1968# Preserve python version since some functionality is dependent on it 1969python_version=$($python -c 'import sys; print("%d.%d.%d" % (sys.version_info[0], sys.version_info[1], sys.version_info[2]))' 2>/dev/null) 1970 1971# Suppress writing compiled files 1972python="$python -B" 1973 1974if test -z "$meson"; then 1975 if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.55.3; then 1976 meson=meson 1977 elif test $git_submodules_action != 'ignore' ; then 1978 meson=git 1979 elif test -e "${source_path}/meson/meson.py" ; then 1980 meson=internal 1981 else 1982 if test "$explicit_python" = yes; then 1983 error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found." 1984 else 1985 error_exit "Meson not found. Use --meson=/path/to/meson" 1986 fi 1987 fi 1988else 1989 # Meson uses its own Python interpreter to invoke other Python scripts, 1990 # but the user wants to use the one they specified with --python. 1991 # 1992 # We do not want to override the distro Python interpreter (and sometimes 1993 # cannot: for example in Homebrew /usr/bin/meson is a bash script), so 1994 # just require --meson=git|internal together with --python. 1995 if test "$explicit_python" = yes; then 1996 case "$meson" in 1997 git | internal) ;; 1998 *) error_exit "--python requires using QEMU's embedded Meson distribution." ;; 1999 esac 2000 fi 2001fi 2002 2003if test "$meson" = git; then 2004 git_submodules="${git_submodules} meson" 2005fi 2006 2007case "$meson" in 2008 git | internal) 2009 meson="$python ${source_path}/meson/meson.py" 2010 ;; 2011 *) meson=$(command -v "$meson") ;; 2012esac 2013 2014# Probe for ninja 2015 2016if test -z "$ninja"; then 2017 for c in ninja ninja-build samu; do 2018 if has $c; then 2019 ninja=$(command -v "$c") 2020 break 2021 fi 2022 done 2023 if test -z "$ninja"; then 2024 error_exit "Cannot find Ninja" 2025 fi 2026fi 2027 2028# Check that the C compiler works. Doing this here before testing 2029# the host CPU ensures that we had a valid CC to autodetect the 2030# $cpu var (and we should bail right here if that's not the case). 2031# It also allows the help message to be printed without a CC. 2032write_c_skeleton; 2033if compile_object ; then 2034 : C compiler works ok 2035else 2036 error_exit "\"$cc\" either does not exist or does not work" 2037fi 2038if ! compile_prog ; then 2039 error_exit "\"$cc\" cannot build an executable (is your linker broken?)" 2040fi 2041 2042# Consult white-list to determine whether to enable werror 2043# by default. Only enable by default for git builds 2044if test -z "$werror" ; then 2045 if test "$git_submodules_action" != "ignore" && \ 2046 { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then 2047 werror="yes" 2048 else 2049 werror="no" 2050 fi 2051fi 2052 2053if test "$targetos" = "bogus"; then 2054 # Now that we know that we're not printing the help and that 2055 # the compiler works (so the results of the check_defines we used 2056 # to identify the OS are reliable), if we didn't recognize the 2057 # host OS we should stop now. 2058 error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')" 2059fi 2060 2061# Check whether the compiler matches our minimum requirements: 2062cat > $TMPC << EOF 2063#if defined(__clang_major__) && defined(__clang_minor__) 2064# ifdef __apple_build_version__ 2065# if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0) 2066# error You need at least XCode Clang v10.0 to compile QEMU 2067# endif 2068# else 2069# if __clang_major__ < 6 || (__clang_major__ == 6 && __clang_minor__ < 0) 2070# error You need at least Clang v6.0 to compile QEMU 2071# endif 2072# endif 2073#elif defined(__GNUC__) && defined(__GNUC_MINOR__) 2074# if __GNUC__ < 7 || (__GNUC__ == 7 && __GNUC_MINOR__ < 5) 2075# error You need at least GCC v7.5.0 to compile QEMU 2076# endif 2077#else 2078# error You either need GCC or Clang to compiler QEMU 2079#endif 2080int main (void) { return 0; } 2081EOF 2082if ! compile_prog "" "" ; then 2083 error_exit "You need at least GCC v7.5 or Clang v6.0 (or XCode Clang v10.0)" 2084fi 2085 2086# Accumulate -Wfoo and -Wno-bar separately. 2087# We will list all of the enable flags first, and the disable flags second. 2088# Note that we do not add -Werror, because that would enable it for all 2089# configure tests. If a configure test failed due to -Werror this would 2090# just silently disable some features, so it's too error prone. 2091 2092warn_flags= 2093add_to warn_flags -Wold-style-declaration 2094add_to warn_flags -Wold-style-definition 2095add_to warn_flags -Wtype-limits 2096add_to warn_flags -Wformat-security 2097add_to warn_flags -Wformat-y2k 2098add_to warn_flags -Winit-self 2099add_to warn_flags -Wignored-qualifiers 2100add_to warn_flags -Wempty-body 2101add_to warn_flags -Wnested-externs 2102add_to warn_flags -Wendif-labels 2103add_to warn_flags -Wexpansion-to-defined 2104add_to warn_flags -Wimplicit-fallthrough=2 2105 2106nowarn_flags= 2107add_to nowarn_flags -Wno-initializer-overrides 2108add_to nowarn_flags -Wno-missing-include-dirs 2109add_to nowarn_flags -Wno-shift-negative-value 2110add_to nowarn_flags -Wno-string-plus-int 2111add_to nowarn_flags -Wno-typedef-redefinition 2112add_to nowarn_flags -Wno-tautological-type-limit-compare 2113add_to nowarn_flags -Wno-psabi 2114 2115gcc_flags="$warn_flags $nowarn_flags" 2116 2117cc_has_warning_flag() { 2118 write_c_skeleton; 2119 2120 # Use the positive sense of the flag when testing for -Wno-wombat 2121 # support (gcc will happily accept the -Wno- form of unknown 2122 # warning options). 2123 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')" 2124 compile_prog "-Werror $optflag" "" 2125} 2126 2127for flag in $gcc_flags; do 2128 if cc_has_warning_flag $flag ; then 2129 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 2130 fi 2131done 2132 2133if test "$stack_protector" != "no"; then 2134 cat > $TMPC << EOF 2135int main(int argc, char *argv[]) 2136{ 2137 char arr[64], *p = arr, *c = argv[0]; 2138 while (*c) { 2139 *p++ = *c++; 2140 } 2141 return 0; 2142} 2143EOF 2144 gcc_flags="-fstack-protector-strong -fstack-protector-all" 2145 sp_on=0 2146 for flag in $gcc_flags; do 2147 # We need to check both a compile and a link, since some compiler 2148 # setups fail only on a .c->.o compile and some only at link time 2149 if compile_object "-Werror $flag" && 2150 compile_prog "-Werror $flag" ""; then 2151 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 2152 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 2153 sp_on=1 2154 break 2155 fi 2156 done 2157 if test "$stack_protector" = yes; then 2158 if test $sp_on = 0; then 2159 error_exit "Stack protector not supported" 2160 fi 2161 fi 2162fi 2163 2164# Disable -Wmissing-braces on older compilers that warn even for 2165# the "universal" C zero initializer {0}. 2166cat > $TMPC << EOF 2167struct { 2168 int a[2]; 2169} x = {0}; 2170EOF 2171if compile_object "-Werror" "" ; then 2172 : 2173else 2174 QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces" 2175fi 2176 2177# Our module code doesn't support Windows 2178if test "$modules" = "yes" && test "$mingw32" = "yes" ; then 2179 error_exit "Modules are not available for Windows" 2180fi 2181 2182# module_upgrades is only reasonable if modules are enabled 2183if test "$modules" = "no" && test "$module_upgrades" = "yes" ; then 2184 error_exit "Can't enable module-upgrades as Modules are not enabled" 2185fi 2186 2187# Static linking is not possible with modules or PIE 2188if test "$static" = "yes" ; then 2189 if test "$modules" = "yes" ; then 2190 error_exit "static and modules are mutually incompatible" 2191 fi 2192fi 2193 2194# Unconditional check for compiler __thread support 2195 cat > $TMPC << EOF 2196static __thread int tls_var; 2197int main(void) { return tls_var; } 2198EOF 2199 2200if ! compile_prog "-Werror" "" ; then 2201 error_exit "Your compiler does not support the __thread specifier for " \ 2202 "Thread-Local Storage (TLS). Please upgrade to a version that does." 2203fi 2204 2205cat > $TMPC << EOF 2206 2207#ifdef __linux__ 2208# define THREAD __thread 2209#else 2210# define THREAD 2211#endif 2212static THREAD int tls_var; 2213int main(void) { return tls_var; } 2214EOF 2215 2216# Check we support --no-pie first; we will need this for building ROMs. 2217if compile_prog "-Werror -fno-pie" "-no-pie"; then 2218 CFLAGS_NOPIE="-fno-pie" 2219fi 2220 2221if test "$static" = "yes"; then 2222 if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then 2223 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" 2224 QEMU_LDFLAGS="-static-pie $QEMU_LDFLAGS" 2225 pie="yes" 2226 elif test "$pie" = "yes"; then 2227 error_exit "-static-pie not available due to missing toolchain support" 2228 else 2229 QEMU_LDFLAGS="-static $QEMU_LDFLAGS" 2230 pie="no" 2231 fi 2232elif test "$pie" = "no"; then 2233 CONFIGURE_CFLAGS="$CFLAGS_NOPIE $CONFIGURE_CFLAGS" 2234elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then 2235 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" 2236 CONFIGURE_LDFLAGS="-pie $CONFIGURE_LDFLAGS" 2237 pie="yes" 2238elif test "$pie" = "yes"; then 2239 error_exit "PIE not available due to missing toolchain support" 2240else 2241 echo "Disabling PIE due to missing toolchain support" 2242 pie="no" 2243fi 2244 2245# Detect support for PT_GNU_RELRO + DT_BIND_NOW. 2246# The combination is known as "full relro", because .got.plt is read-only too. 2247if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then 2248 QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS" 2249fi 2250 2251########################################## 2252# __sync_fetch_and_and requires at least -march=i486. Many toolchains 2253# use i686 as default anyway, but for those that don't, an explicit 2254# specification is necessary 2255 2256if test "$cpu" = "i386"; then 2257 cat > $TMPC << EOF 2258static int sfaa(int *ptr) 2259{ 2260 return __sync_fetch_and_and(ptr, 0); 2261} 2262 2263int main(void) 2264{ 2265 int val = 42; 2266 val = __sync_val_compare_and_swap(&val, 0, 1); 2267 sfaa(&val); 2268 return val; 2269} 2270EOF 2271 if ! compile_prog "" "" ; then 2272 QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS" 2273 fi 2274fi 2275 2276######################################### 2277# Solaris specific configure tool chain decisions 2278 2279if test "$solaris" = "yes" ; then 2280 if has ar; then 2281 : 2282 else 2283 if test -f /usr/ccs/bin/ar ; then 2284 error_exit "No path includes ar" \ 2285 "Add /usr/ccs/bin to your path and rerun configure" 2286 fi 2287 error_exit "No path includes ar" 2288 fi 2289fi 2290 2291if test "$tcg" = "enabled"; then 2292 git_submodules="$git_submodules tests/fp/berkeley-testfloat-3" 2293 git_submodules="$git_submodules tests/fp/berkeley-softfloat-3" 2294fi 2295 2296if test -z "${target_list+xxx}" ; then 2297 default_targets=yes 2298 for target in $default_target_list; do 2299 target_list="$target_list $target" 2300 done 2301 target_list="${target_list# }" 2302else 2303 default_targets=no 2304 target_list=$(echo "$target_list" | sed -e 's/,/ /g') 2305 for target in $target_list; do 2306 # Check that we recognised the target name; this allows a more 2307 # friendly error message than if we let it fall through. 2308 case " $default_target_list " in 2309 *" $target "*) 2310 ;; 2311 *) 2312 error_exit "Unknown target name '$target'" 2313 ;; 2314 esac 2315 done 2316fi 2317 2318for target in $target_list; do 2319 # if a deprecated target is enabled we note it here 2320 if echo "$deprecated_targets_list" | grep -q "$target"; then 2321 add_to deprecated_features $target 2322 fi 2323done 2324 2325# see if system emulation was really requested 2326case " $target_list " in 2327 *"-softmmu "*) softmmu=yes 2328 ;; 2329 *) softmmu=no 2330 ;; 2331esac 2332 2333feature_not_found() { 2334 feature=$1 2335 remedy=$2 2336 2337 error_exit "User requested feature $feature" \ 2338 "configure was not able to find it." \ 2339 "$remedy" 2340} 2341 2342# --- 2343# big/little endian test 2344cat > $TMPC << EOF 2345short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, }; 2346short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, }; 2347extern int foo(short *, short *); 2348int main(int argc, char *argv[]) { 2349 return foo(big_endian, little_endian); 2350} 2351EOF 2352 2353if compile_object ; then 2354 if strings -a $TMPO | grep -q BiGeNdIaN ; then 2355 bigendian="yes" 2356 elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then 2357 bigendian="no" 2358 else 2359 echo big/little test failed 2360 fi 2361else 2362 echo big/little test failed 2363fi 2364 2365########################################## 2366# system tools 2367if test -z "$want_tools"; then 2368 if test "$softmmu" = "no"; then 2369 want_tools=no 2370 else 2371 want_tools=yes 2372 fi 2373fi 2374 2375########################################## 2376# Disable features only meaningful for system-mode emulation 2377if test "$softmmu" = "no"; then 2378 audio_drv_list="" 2379fi 2380 2381########################################## 2382# Some versions of Mac OS X incorrectly define SIZE_MAX 2383cat > $TMPC << EOF 2384#include <stdint.h> 2385#include <stdio.h> 2386int main(int argc, char *argv[]) { 2387 return printf("%zu", SIZE_MAX); 2388} 2389EOF 2390have_broken_size_max=no 2391if ! compile_object -Werror ; then 2392 have_broken_size_max=yes 2393fi 2394 2395########################################## 2396# L2TPV3 probe 2397 2398cat > $TMPC <<EOF 2399#include <sys/socket.h> 2400#include <linux/ip.h> 2401int main(void) { return sizeof(struct mmsghdr); } 2402EOF 2403if compile_prog "" "" ; then 2404 l2tpv3=yes 2405else 2406 l2tpv3=no 2407fi 2408 2409cat > $TMPC <<EOF 2410#include <sys/mman.h> 2411int main(int argc, char *argv[]) { 2412 return mlockall(MCL_FUTURE); 2413} 2414EOF 2415if compile_prog "" "" ; then 2416 have_mlockall=yes 2417else 2418 have_mlockall=no 2419fi 2420 2421######################################### 2422# vhost interdependencies and host support 2423 2424# vhost backends 2425if test "$vhost_user" = "yes" && test "$linux" != "yes"; then 2426 error_exit "vhost-user is only available on Linux" 2427fi 2428test "$vhost_vdpa" = "" && vhost_vdpa=$linux 2429if test "$vhost_vdpa" = "yes" && test "$linux" != "yes"; then 2430 error_exit "vhost-vdpa is only available on Linux" 2431fi 2432test "$vhost_kernel" = "" && vhost_kernel=$linux 2433if test "$vhost_kernel" = "yes" && test "$linux" != "yes"; then 2434 error_exit "vhost-kernel is only available on Linux" 2435fi 2436 2437# vhost-kernel devices 2438test "$vhost_scsi" = "" && vhost_scsi=$vhost_kernel 2439if test "$vhost_scsi" = "yes" && test "$vhost_kernel" != "yes"; then 2440 error_exit "--enable-vhost-scsi requires --enable-vhost-kernel" 2441fi 2442test "$vhost_vsock" = "" && vhost_vsock=$vhost_kernel 2443if test "$vhost_vsock" = "yes" && test "$vhost_kernel" != "yes"; then 2444 error_exit "--enable-vhost-vsock requires --enable-vhost-kernel" 2445fi 2446 2447# vhost-user backends 2448test "$vhost_net_user" = "" && vhost_net_user=$vhost_user 2449if test "$vhost_net_user" = "yes" && test "$vhost_user" = "no"; then 2450 error_exit "--enable-vhost-net-user requires --enable-vhost-user" 2451fi 2452test "$vhost_crypto" = "" && vhost_crypto=$vhost_user 2453if test "$vhost_crypto" = "yes" && test "$vhost_user" = "no"; then 2454 error_exit "--enable-vhost-crypto requires --enable-vhost-user" 2455fi 2456test "$vhost_user_fs" = "" && vhost_user_fs=$vhost_user 2457if test "$vhost_user_fs" = "yes" && test "$vhost_user" = "no"; then 2458 error_exit "--enable-vhost-user-fs requires --enable-vhost-user" 2459fi 2460#vhost-vdpa backends 2461test "$vhost_net_vdpa" = "" && vhost_net_vdpa=$vhost_vdpa 2462if test "$vhost_net_vdpa" = "yes" && test "$vhost_vdpa" = "no"; then 2463 error_exit "--enable-vhost-net-vdpa requires --enable-vhost-vdpa" 2464fi 2465 2466# OR the vhost-kernel, vhost-vdpa and vhost-user values for simplicity 2467if test "$vhost_net" = ""; then 2468 test "$vhost_net_user" = "yes" && vhost_net=yes 2469 test "$vhost_net_vdpa" = "yes" && vhost_net=yes 2470 test "$vhost_kernel" = "yes" && vhost_net=yes 2471fi 2472 2473########################################## 2474# pkg-config probe 2475 2476if ! has "$pkg_config_exe"; then 2477 error_exit "pkg-config binary '$pkg_config_exe' not found" 2478fi 2479 2480########################################## 2481# NPTL probe 2482 2483if test "$linux_user" = "yes"; then 2484 cat > $TMPC <<EOF 2485#include <sched.h> 2486#include <linux/futex.h> 2487int main(void) { 2488#if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT) 2489#error bork 2490#endif 2491 return 0; 2492} 2493EOF 2494 if ! compile_object ; then 2495 feature_not_found "nptl" "Install glibc and linux kernel headers." 2496 fi 2497fi 2498 2499########################################## 2500# xen probe 2501 2502if test "$xen" != "disabled" ; then 2503 # Check whether Xen library path is specified via --extra-ldflags to avoid 2504 # overriding this setting with pkg-config output. If not, try pkg-config 2505 # to obtain all needed flags. 2506 2507 if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \ 2508 $pkg_config --exists xencontrol ; then 2509 xen_ctrl_version="$(printf '%d%02d%02d' \ 2510 $($pkg_config --modversion xencontrol | sed 's/\./ /g') )" 2511 xen=enabled 2512 xen_pc="xencontrol xenstore xenforeignmemory xengnttab" 2513 xen_pc="$xen_pc xenevtchn xendevicemodel" 2514 if $pkg_config --exists xentoolcore; then 2515 xen_pc="$xen_pc xentoolcore" 2516 fi 2517 xen_cflags="$($pkg_config --cflags $xen_pc)" 2518 xen_libs="$($pkg_config --libs $xen_pc)" 2519 else 2520 2521 xen_libs="-lxenstore -lxenctrl" 2522 xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn" 2523 2524 # First we test whether Xen headers and libraries are available. 2525 # If no, we are done and there is no Xen support. 2526 # If yes, more tests are run to detect the Xen version. 2527 2528 # Xen (any) 2529 cat > $TMPC <<EOF 2530#include <xenctrl.h> 2531int main(void) { 2532 return 0; 2533} 2534EOF 2535 if ! compile_prog "" "$xen_libs" ; then 2536 # Xen not found 2537 if test "$xen" = "enabled" ; then 2538 feature_not_found "xen" "Install xen devel" 2539 fi 2540 xen=disabled 2541 2542 # Xen unstable 2543 elif 2544 cat > $TMPC <<EOF && 2545#undef XC_WANT_COMPAT_DEVICEMODEL_API 2546#define __XEN_TOOLS__ 2547#include <xendevicemodel.h> 2548#include <xenforeignmemory.h> 2549int main(void) { 2550 xendevicemodel_handle *xd; 2551 xenforeignmemory_handle *xfmem; 2552 2553 xd = xendevicemodel_open(0, 0); 2554 xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0); 2555 2556 xfmem = xenforeignmemory_open(0, 0); 2557 xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0); 2558 2559 return 0; 2560} 2561EOF 2562 compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore" 2563 then 2564 xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore" 2565 xen_ctrl_version=41100 2566 xen=enabled 2567 elif 2568 cat > $TMPC <<EOF && 2569#undef XC_WANT_COMPAT_MAP_FOREIGN_API 2570#include <xenforeignmemory.h> 2571#include <xentoolcore.h> 2572int main(void) { 2573 xenforeignmemory_handle *xfmem; 2574 2575 xfmem = xenforeignmemory_open(0, 0); 2576 xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0); 2577 xentoolcore_restrict_all(0); 2578 2579 return 0; 2580} 2581EOF 2582 compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore" 2583 then 2584 xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore" 2585 xen_ctrl_version=41000 2586 xen=enabled 2587 elif 2588 cat > $TMPC <<EOF && 2589#undef XC_WANT_COMPAT_DEVICEMODEL_API 2590#define __XEN_TOOLS__ 2591#include <xendevicemodel.h> 2592int main(void) { 2593 xendevicemodel_handle *xd; 2594 2595 xd = xendevicemodel_open(0, 0); 2596 xendevicemodel_close(xd); 2597 2598 return 0; 2599} 2600EOF 2601 compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs" 2602 then 2603 xen_stable_libs="-lxendevicemodel $xen_stable_libs" 2604 xen_ctrl_version=40900 2605 xen=enabled 2606 elif 2607 cat > $TMPC <<EOF && 2608/* 2609 * If we have stable libs the we don't want the libxc compat 2610 * layers, regardless of what CFLAGS we may have been given. 2611 * 2612 * Also, check if xengnttab_grant_copy_segment_t is defined and 2613 * grant copy operation is implemented. 2614 */ 2615#undef XC_WANT_COMPAT_EVTCHN_API 2616#undef XC_WANT_COMPAT_GNTTAB_API 2617#undef XC_WANT_COMPAT_MAP_FOREIGN_API 2618#include <xenctrl.h> 2619#include <xenstore.h> 2620#include <xenevtchn.h> 2621#include <xengnttab.h> 2622#include <xenforeignmemory.h> 2623#include <stdint.h> 2624#include <xen/hvm/hvm_info_table.h> 2625#if !defined(HVM_MAX_VCPUS) 2626# error HVM_MAX_VCPUS not defined 2627#endif 2628int main(void) { 2629 xc_interface *xc = NULL; 2630 xenforeignmemory_handle *xfmem; 2631 xenevtchn_handle *xe; 2632 xengnttab_handle *xg; 2633 xengnttab_grant_copy_segment_t* seg = NULL; 2634 2635 xs_daemon_open(); 2636 2637 xc = xc_interface_open(0, 0, 0); 2638 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); 2639 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); 2640 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); 2641 xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL); 2642 2643 xfmem = xenforeignmemory_open(0, 0); 2644 xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0); 2645 2646 xe = xenevtchn_open(0, 0); 2647 xenevtchn_fd(xe); 2648 2649 xg = xengnttab_open(0, 0); 2650 xengnttab_grant_copy(xg, 0, seg); 2651 2652 return 0; 2653} 2654EOF 2655 compile_prog "" "$xen_libs $xen_stable_libs" 2656 then 2657 xen_ctrl_version=40800 2658 xen=enabled 2659 elif 2660 cat > $TMPC <<EOF && 2661/* 2662 * If we have stable libs the we don't want the libxc compat 2663 * layers, regardless of what CFLAGS we may have been given. 2664 */ 2665#undef XC_WANT_COMPAT_EVTCHN_API 2666#undef XC_WANT_COMPAT_GNTTAB_API 2667#undef XC_WANT_COMPAT_MAP_FOREIGN_API 2668#include <xenctrl.h> 2669#include <xenstore.h> 2670#include <xenevtchn.h> 2671#include <xengnttab.h> 2672#include <xenforeignmemory.h> 2673#include <stdint.h> 2674#include <xen/hvm/hvm_info_table.h> 2675#if !defined(HVM_MAX_VCPUS) 2676# error HVM_MAX_VCPUS not defined 2677#endif 2678int main(void) { 2679 xc_interface *xc = NULL; 2680 xenforeignmemory_handle *xfmem; 2681 xenevtchn_handle *xe; 2682 xengnttab_handle *xg; 2683 2684 xs_daemon_open(); 2685 2686 xc = xc_interface_open(0, 0, 0); 2687 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); 2688 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); 2689 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); 2690 xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL); 2691 2692 xfmem = xenforeignmemory_open(0, 0); 2693 xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0); 2694 2695 xe = xenevtchn_open(0, 0); 2696 xenevtchn_fd(xe); 2697 2698 xg = xengnttab_open(0, 0); 2699 xengnttab_map_grant_ref(xg, 0, 0, 0); 2700 2701 return 0; 2702} 2703EOF 2704 compile_prog "" "$xen_libs $xen_stable_libs" 2705 then 2706 xen_ctrl_version=40701 2707 xen=enabled 2708 2709 # Xen 4.6 2710 elif 2711 cat > $TMPC <<EOF && 2712#include <xenctrl.h> 2713#include <xenstore.h> 2714#include <stdint.h> 2715#include <xen/hvm/hvm_info_table.h> 2716#if !defined(HVM_MAX_VCPUS) 2717# error HVM_MAX_VCPUS not defined 2718#endif 2719int main(void) { 2720 xc_interface *xc; 2721 xs_daemon_open(); 2722 xc = xc_interface_open(0, 0, 0); 2723 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); 2724 xc_gnttab_open(NULL, 0); 2725 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); 2726 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); 2727 xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL); 2728 xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0); 2729 return 0; 2730} 2731EOF 2732 compile_prog "" "$xen_libs" 2733 then 2734 xen_ctrl_version=40600 2735 xen=enabled 2736 2737 # Xen 4.5 2738 elif 2739 cat > $TMPC <<EOF && 2740#include <xenctrl.h> 2741#include <xenstore.h> 2742#include <stdint.h> 2743#include <xen/hvm/hvm_info_table.h> 2744#if !defined(HVM_MAX_VCPUS) 2745# error HVM_MAX_VCPUS not defined 2746#endif 2747int main(void) { 2748 xc_interface *xc; 2749 xs_daemon_open(); 2750 xc = xc_interface_open(0, 0, 0); 2751 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); 2752 xc_gnttab_open(NULL, 0); 2753 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); 2754 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); 2755 xc_hvm_create_ioreq_server(xc, 0, 0, NULL); 2756 return 0; 2757} 2758EOF 2759 compile_prog "" "$xen_libs" 2760 then 2761 xen_ctrl_version=40500 2762 xen=enabled 2763 2764 elif 2765 cat > $TMPC <<EOF && 2766#include <xenctrl.h> 2767#include <xenstore.h> 2768#include <stdint.h> 2769#include <xen/hvm/hvm_info_table.h> 2770#if !defined(HVM_MAX_VCPUS) 2771# error HVM_MAX_VCPUS not defined 2772#endif 2773int main(void) { 2774 xc_interface *xc; 2775 xs_daemon_open(); 2776 xc = xc_interface_open(0, 0, 0); 2777 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); 2778 xc_gnttab_open(NULL, 0); 2779 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); 2780 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); 2781 return 0; 2782} 2783EOF 2784 compile_prog "" "$xen_libs" 2785 then 2786 xen_ctrl_version=40200 2787 xen=enabled 2788 2789 else 2790 if test "$xen" = "enabled" ; then 2791 feature_not_found "xen (unsupported version)" \ 2792 "Install a supported xen (xen 4.2 or newer)" 2793 fi 2794 xen=disabled 2795 fi 2796 2797 if test "$xen" = enabled; then 2798 if test $xen_ctrl_version -ge 40701 ; then 2799 xen_libs="$xen_libs $xen_stable_libs " 2800 fi 2801 fi 2802 fi 2803fi 2804 2805########################################## 2806# GNUTLS probe 2807 2808if test "$gnutls" != "no"; then 2809 pass="no" 2810 if $pkg_config --exists "gnutls >= 3.5.18"; then 2811 gnutls_cflags=$($pkg_config --cflags gnutls) 2812 gnutls_libs=$($pkg_config --libs gnutls) 2813 # Packaging for the static libraries is not always correct. 2814 # At least ubuntu 18.04 ships only shared libraries. 2815 write_c_skeleton 2816 if compile_prog "" "$gnutls_libs" ; then 2817 pass="yes" 2818 fi 2819 fi 2820 if test "$pass" = "no" && test "$gnutls" = "yes"; then 2821 feature_not_found "gnutls" "Install gnutls devel >= 3.1.18" 2822 else 2823 gnutls="$pass" 2824 fi 2825fi 2826 2827 2828# If user didn't give a --disable/enable-gcrypt flag, 2829# then mark as disabled if user requested nettle 2830# explicitly 2831if test -z "$gcrypt" 2832then 2833 if test "$nettle" = "yes" 2834 then 2835 gcrypt="no" 2836 fi 2837fi 2838 2839# If user didn't give a --disable/enable-nettle flag, 2840# then mark as disabled if user requested gcrypt 2841# explicitly 2842if test -z "$nettle" 2843then 2844 if test "$gcrypt" = "yes" 2845 then 2846 nettle="no" 2847 fi 2848fi 2849 2850has_libgcrypt() { 2851 if ! has "libgcrypt-config" 2852 then 2853 return 1 2854 fi 2855 2856 if test -n "$cross_prefix" 2857 then 2858 host=$(libgcrypt-config --host) 2859 if test "$host-" != $cross_prefix 2860 then 2861 return 1 2862 fi 2863 fi 2864 2865 maj=`libgcrypt-config --version | awk -F . '{print $1}'` 2866 min=`libgcrypt-config --version | awk -F . '{print $2}'` 2867 2868 if test $maj != 1 || test $min -lt 8 2869 then 2870 return 1 2871 fi 2872 2873 return 0 2874} 2875 2876 2877if test "$nettle" != "no"; then 2878 pass="no" 2879 if $pkg_config --exists "nettle >= 3.4"; then 2880 nettle_cflags=$($pkg_config --cflags nettle) 2881 nettle_libs=$($pkg_config --libs nettle) 2882 # Link test to make sure the given libraries work (e.g for static). 2883 write_c_skeleton 2884 if compile_prog "" "$nettle_libs" ; then 2885 if test -z "$gcrypt"; then 2886 gcrypt="no" 2887 fi 2888 pass="yes" 2889 fi 2890 fi 2891 if test "$pass" = "yes" 2892 then 2893 cat > $TMPC << EOF 2894#include <nettle/xts.h> 2895int main(void) { 2896 return 0; 2897} 2898EOF 2899 if compile_prog "$nettle_cflags" "$nettle_libs" ; then 2900 nettle_xts=yes 2901 qemu_private_xts=no 2902 fi 2903 fi 2904 if test "$pass" = "no" && test "$nettle" = "yes"; then 2905 feature_not_found "nettle" "Install nettle devel >= 2.7.1" 2906 else 2907 nettle="$pass" 2908 fi 2909fi 2910 2911if test "$gcrypt" != "no"; then 2912 pass="no" 2913 if has_libgcrypt; then 2914 gcrypt_cflags=$(libgcrypt-config --cflags) 2915 gcrypt_libs=$(libgcrypt-config --libs) 2916 # Debian has removed -lgpg-error from libgcrypt-config 2917 # as it "spreads unnecessary dependencies" which in 2918 # turn breaks static builds... 2919 if test "$static" = "yes" 2920 then 2921 gcrypt_libs="$gcrypt_libs -lgpg-error" 2922 fi 2923 2924 # Link test to make sure the given libraries work (e.g for static). 2925 write_c_skeleton 2926 if compile_prog "" "$gcrypt_libs" ; then 2927 pass="yes" 2928 fi 2929 fi 2930 if test "$pass" = "yes"; then 2931 gcrypt="yes" 2932 cat > $TMPC << EOF 2933#include <gcrypt.h> 2934int main(void) { 2935 gcry_cipher_hd_t handle; 2936 gcry_cipher_open(&handle, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_XTS, 0); 2937 return 0; 2938} 2939EOF 2940 if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then 2941 gcrypt_xts=yes 2942 qemu_private_xts=no 2943 fi 2944 elif test "$gcrypt" = "yes"; then 2945 feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0" 2946 else 2947 gcrypt="no" 2948 fi 2949fi 2950 2951 2952if test "$gcrypt" = "yes" && test "$nettle" = "yes" 2953then 2954 error_exit "Only one of gcrypt & nettle can be enabled" 2955fi 2956 2957########################################## 2958# libtasn1 - only for the TLS creds/session test suite 2959 2960tasn1=yes 2961tasn1_cflags="" 2962tasn1_libs="" 2963if $pkg_config --exists "libtasn1"; then 2964 tasn1_cflags=$($pkg_config --cflags libtasn1) 2965 tasn1_libs=$($pkg_config --libs libtasn1) 2966else 2967 tasn1=no 2968fi 2969 2970 2971########################################## 2972# PAM probe 2973 2974if test "$auth_pam" != "no"; then 2975 cat > $TMPC <<EOF 2976#include <security/pam_appl.h> 2977#include <stdio.h> 2978int main(void) { 2979 const char *service_name = "qemu"; 2980 const char *user = "frank"; 2981 const struct pam_conv pam_conv = { 0 }; 2982 pam_handle_t *pamh = NULL; 2983 pam_start(service_name, user, &pam_conv, &pamh); 2984 return 0; 2985} 2986EOF 2987 if compile_prog "" "-lpam" ; then 2988 auth_pam=yes 2989 else 2990 if test "$auth_pam" = "yes"; then 2991 feature_not_found "PAM" "Install PAM development package" 2992 else 2993 auth_pam=no 2994 fi 2995 fi 2996fi 2997 2998########################################## 2999# VTE probe 3000 3001if test "$vte" != "no"; then 3002 vteminversion="0.32.0" 3003 if $pkg_config --exists "vte-2.91"; then 3004 vtepackage="vte-2.91" 3005 else 3006 vtepackage="vte-2.90" 3007 fi 3008 if $pkg_config --exists "$vtepackage >= $vteminversion"; then 3009 vte_cflags=$($pkg_config --cflags $vtepackage) 3010 vte_libs=$($pkg_config --libs $vtepackage) 3011 vteversion=$($pkg_config --modversion $vtepackage) 3012 vte="yes" 3013 elif test "$vte" = "yes"; then 3014 feature_not_found "vte" "Install libvte-2.90/2.91 devel" 3015 else 3016 vte="no" 3017 fi 3018fi 3019 3020########################################## 3021# RDMA needs OpenFabrics libraries 3022if test "$rdma" != "no" ; then 3023 cat > $TMPC <<EOF 3024#include <rdma/rdma_cma.h> 3025int main(void) { return 0; } 3026EOF 3027 rdma_libs="-lrdmacm -libverbs -libumad" 3028 if compile_prog "" "$rdma_libs" ; then 3029 rdma="yes" 3030 else 3031 if test "$rdma" = "yes" ; then 3032 error_exit \ 3033 " OpenFabrics librdmacm/libibverbs/libibumad not present." \ 3034 " Your options:" \ 3035 " (1) Fast: Install infiniband packages (devel) from your distro." \ 3036 " (2) Cleanest: Install libraries from www.openfabrics.org" \ 3037 " (3) Also: Install softiwarp if you don't have RDMA hardware" 3038 fi 3039 rdma="no" 3040 fi 3041fi 3042 3043########################################## 3044# PVRDMA detection 3045 3046cat > $TMPC <<EOF && 3047#include <sys/mman.h> 3048 3049int 3050main(void) 3051{ 3052 char buf = 0; 3053 void *addr = &buf; 3054 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED); 3055 3056 return 0; 3057} 3058EOF 3059 3060if test "$rdma" = "yes" ; then 3061 case "$pvrdma" in 3062 "") 3063 if compile_prog "" ""; then 3064 pvrdma="yes" 3065 else 3066 pvrdma="no" 3067 fi 3068 ;; 3069 "yes") 3070 if ! compile_prog "" ""; then 3071 error_exit "PVRDMA is not supported since mremap is not implemented" 3072 fi 3073 pvrdma="yes" 3074 ;; 3075 "no") 3076 pvrdma="no" 3077 ;; 3078 esac 3079else 3080 if test "$pvrdma" = "yes" ; then 3081 error_exit "PVRDMA requires rdma suppport" 3082 fi 3083 pvrdma="no" 3084fi 3085 3086# Let's see if enhanced reg_mr is supported 3087if test "$pvrdma" = "yes" ; then 3088 3089cat > $TMPC <<EOF && 3090#include <infiniband/verbs.h> 3091 3092int 3093main(void) 3094{ 3095 struct ibv_mr *mr; 3096 struct ibv_pd *pd = NULL; 3097 size_t length = 10; 3098 uint64_t iova = 0; 3099 int access = 0; 3100 void *addr = NULL; 3101 3102 mr = ibv_reg_mr_iova(pd, addr, length, iova, access); 3103 3104 ibv_dereg_mr(mr); 3105 3106 return 0; 3107} 3108EOF 3109 if ! compile_prog "" "-libverbs"; then 3110 QEMU_CFLAGS="$QEMU_CFLAGS -DLEGACY_RDMA_REG_MR" 3111 fi 3112fi 3113 3114########################################## 3115# xfsctl() probe, used for file-posix.c 3116if test "$xfs" != "no" ; then 3117 cat > $TMPC << EOF 3118#include <stddef.h> /* NULL */ 3119#include <xfs/xfs.h> 3120int main(void) 3121{ 3122 xfsctl(NULL, 0, 0, NULL); 3123 return 0; 3124} 3125EOF 3126 if compile_prog "" "" ; then 3127 xfs="yes" 3128 else 3129 if test "$xfs" = "yes" ; then 3130 feature_not_found "xfs" "Install xfsprogs/xfslibs devel" 3131 fi 3132 xfs=no 3133 fi 3134fi 3135 3136########################################## 3137# vde libraries probe 3138if test "$vde" != "no" ; then 3139 vde_libs="-lvdeplug" 3140 cat > $TMPC << EOF 3141#include <libvdeplug.h> 3142int main(void) 3143{ 3144 struct vde_open_args a = {0, 0, 0}; 3145 char s[] = ""; 3146 vde_open(s, s, &a); 3147 return 0; 3148} 3149EOF 3150 if compile_prog "" "$vde_libs" ; then 3151 vde=yes 3152 else 3153 if test "$vde" = "yes" ; then 3154 feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel" 3155 fi 3156 vde=no 3157 fi 3158fi 3159 3160########################################## 3161# netmap support probe 3162# Apart from looking for netmap headers, we make sure that the host API version 3163# supports the netmap backend (>=11). The upper bound (15) is meant to simulate 3164# a minor/major version number. Minor new features will be marked with values up 3165# to 15, and if something happens that requires a change to the backend we will 3166# move above 15, submit the backend fixes and modify this two bounds. 3167if test "$netmap" != "no" ; then 3168 cat > $TMPC << EOF 3169#include <inttypes.h> 3170#include <net/if.h> 3171#include <net/netmap.h> 3172#include <net/netmap_user.h> 3173#if (NETMAP_API < 11) || (NETMAP_API > 15) 3174#error 3175#endif 3176int main(void) { return 0; } 3177EOF 3178 if compile_prog "" "" ; then 3179 netmap=yes 3180 else 3181 if test "$netmap" = "yes" ; then 3182 feature_not_found "netmap" 3183 fi 3184 netmap=no 3185 fi 3186fi 3187 3188########################################## 3189# detect CoreAudio 3190if test "$coreaudio" != "no" ; then 3191 coreaudio_libs="-framework CoreAudio" 3192 cat > $TMPC << EOF 3193#include <CoreAudio/CoreAudio.h> 3194int main(void) 3195{ 3196 return (int)AudioGetCurrentHostTime(); 3197} 3198EOF 3199 if compile_prog "" "$coreaudio_libs" ; then 3200 coreaudio=yes 3201 else 3202 coreaudio=no 3203 fi 3204fi 3205 3206########################################## 3207# Sound support libraries probe 3208 3209audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g') 3210for drv in $audio_drv_list; do 3211 case $drv in 3212 alsa | try-alsa) 3213 if $pkg_config alsa --exists; then 3214 alsa_libs=$($pkg_config alsa --libs) 3215 alsa_cflags=$($pkg_config alsa --cflags) 3216 alsa=yes 3217 if test "$drv" = "try-alsa"; then 3218 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/') 3219 fi 3220 else 3221 if test "$drv" = "try-alsa"; then 3222 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//') 3223 else 3224 error_exit "$drv check failed" \ 3225 "Make sure to have the $drv libs and headers installed." 3226 fi 3227 fi 3228 ;; 3229 3230 pa | try-pa) 3231 if $pkg_config libpulse --exists; then 3232 libpulse=yes 3233 pulse_libs=$($pkg_config libpulse --libs) 3234 pulse_cflags=$($pkg_config libpulse --cflags) 3235 if test "$drv" = "try-pa"; then 3236 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/') 3237 fi 3238 else 3239 if test "$drv" = "try-pa"; then 3240 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//') 3241 else 3242 error_exit "$drv check failed" \ 3243 "Make sure to have the $drv libs and headers installed." 3244 fi 3245 fi 3246 ;; 3247 3248 sdl) 3249 if test "$sdl" = "no"; then 3250 error_exit "sdl not found or disabled, can not use sdl audio driver" 3251 fi 3252 ;; 3253 3254 try-sdl) 3255 if test "$sdl" = "no"; then 3256 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//') 3257 else 3258 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/') 3259 fi 3260 ;; 3261 3262 coreaudio | try-coreaudio) 3263 if test "$coreaudio" = "no"; then 3264 if test "$drv" = "try-coreaudio"; then 3265 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-coreaudio//') 3266 else 3267 error_exit "$drv check failed" \ 3268 "Make sure to have the $drv is available." 3269 fi 3270 else 3271 coreaudio_libs="-framework CoreAudio" 3272 if test "$drv" = "try-coreaudio"; then 3273 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-coreaudio/coreaudio/') 3274 fi 3275 fi 3276 ;; 3277 3278 dsound) 3279 dsound_libs="-lole32 -ldxguid" 3280 audio_win_int="yes" 3281 ;; 3282 3283 oss) 3284 oss_libs="$oss_lib" 3285 ;; 3286 3287 jack | try-jack) 3288 if $pkg_config jack --exists; then 3289 libjack=yes 3290 jack_libs=$($pkg_config jack --libs) 3291 if test "$drv" = "try-jack"; then 3292 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack/jack/') 3293 fi 3294 else 3295 if test "$drv" = "try-jack"; then 3296 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack//') 3297 else 3298 error_exit "$drv check failed" \ 3299 "Make sure to have the $drv libs and headers installed." 3300 fi 3301 fi 3302 ;; 3303 3304 *) 3305 echo "$audio_possible_drivers" | grep -q "\<$drv\>" || { 3306 error_exit "Unknown driver '$drv' selected" \ 3307 "Possible drivers are: $audio_possible_drivers" 3308 } 3309 ;; 3310 esac 3311done 3312 3313########################################## 3314# glib support probe 3315 3316glib_req_ver=2.56 3317glib_modules=gthread-2.0 3318if test "$modules" = yes; then 3319 glib_modules="$glib_modules gmodule-export-2.0" 3320fi 3321if test "$plugins" = yes; then 3322 glib_modules="$glib_modules gmodule-2.0" 3323fi 3324 3325for i in $glib_modules; do 3326 if $pkg_config --atleast-version=$glib_req_ver $i; then 3327 glib_cflags=$($pkg_config --cflags $i) 3328 glib_libs=$($pkg_config --libs $i) 3329 else 3330 error_exit "glib-$glib_req_ver $i is required to compile QEMU" 3331 fi 3332done 3333 3334# This workaround is required due to a bug in pkg-config file for glib as it 3335# doesn't define GLIB_STATIC_COMPILATION for pkg-config --static 3336 3337if test "$static" = yes && test "$mingw32" = yes; then 3338 glib_cflags="-DGLIB_STATIC_COMPILATION $glib_cflags" 3339fi 3340 3341if ! test "$gio" = "no"; then 3342 pass=no 3343 if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then 3344 gio_cflags=$($pkg_config --cflags gio-2.0) 3345 gio_libs=$($pkg_config --libs gio-2.0) 3346 gdbus_codegen=$($pkg_config --variable=gdbus_codegen gio-2.0) 3347 if ! has "$gdbus_codegen"; then 3348 gdbus_codegen= 3349 fi 3350 # Check that the libraries actually work -- Ubuntu 18.04 ships 3351 # with pkg-config --static --libs data for gio-2.0 that is missing 3352 # -lblkid and will give a link error. 3353 cat > $TMPC <<EOF 3354#include <gio/gio.h> 3355int main(void) 3356{ 3357 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0); 3358 return 0; 3359} 3360EOF 3361 if compile_prog "$gio_cflags" "$gio_libs" ; then 3362 pass=yes 3363 else 3364 pass=no 3365 fi 3366 3367 if test "$pass" = "yes" && 3368 $pkg_config --atleast-version=$glib_req_ver gio-unix-2.0; then 3369 gio_cflags="$gio_cflags $($pkg_config --cflags gio-unix-2.0)" 3370 gio_libs="$gio_libs $($pkg_config --libs gio-unix-2.0)" 3371 fi 3372 fi 3373 3374 if test "$pass" = "no"; then 3375 if test "$gio" = "yes"; then 3376 feature_not_found "gio" "Install libgio >= 2.0" 3377 else 3378 gio=no 3379 fi 3380 else 3381 gio=yes 3382 fi 3383fi 3384 3385# Sanity check that the current size_t matches the 3386# size that glib thinks it should be. This catches 3387# problems on multi-arch where people try to build 3388# 32-bit QEMU while pointing at 64-bit glib headers 3389cat > $TMPC <<EOF 3390#include <glib.h> 3391#include <unistd.h> 3392 3393#define QEMU_BUILD_BUG_ON(x) \ 3394 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused)); 3395 3396int main(void) { 3397 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T); 3398 return 0; 3399} 3400EOF 3401 3402if ! compile_prog "$glib_cflags" "$glib_libs" ; then 3403 error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\ 3404 "You probably need to set PKG_CONFIG_LIBDIR"\ 3405 "to point to the right pkg-config files for your"\ 3406 "build target" 3407fi 3408 3409# Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage 3410cat > $TMPC << EOF 3411#include <glib.h> 3412int main(void) { return 0; } 3413EOF 3414if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then 3415 if cc_has_warning_flag "-Wno-unknown-attributes"; then 3416 glib_cflags="-Wno-unknown-attributes $glib_cflags" 3417 CONFIGURE_CFLAGS="-Wno-unknown-attributes $CONFIGURE_CFLAGS" 3418 fi 3419fi 3420 3421# Silence clang warnings triggered by glib < 2.57.2 3422cat > $TMPC << EOF 3423#include <glib.h> 3424typedef struct Foo { 3425 int i; 3426} Foo; 3427static void foo_free(Foo *f) 3428{ 3429 g_free(f); 3430} 3431G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free); 3432int main(void) { return 0; } 3433EOF 3434if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then 3435 if cc_has_warning_flag "-Wno-unused-function"; then 3436 glib_cflags="$glib_cflags -Wno-unused-function" 3437 CONFIGURE_CFLAGS="$CONFIGURE_CFLAGS -Wno-unused-function" 3438 fi 3439fi 3440 3441########################################## 3442# SHA command probe for modules 3443if test "$modules" = yes; then 3444 shacmd_probe="sha1sum sha1 shasum" 3445 for c in $shacmd_probe; do 3446 if has $c; then 3447 shacmd="$c" 3448 break 3449 fi 3450 done 3451 if test "$shacmd" = ""; then 3452 error_exit "one of the checksum commands is required to enable modules: $shacmd_probe" 3453 fi 3454fi 3455 3456########################################## 3457# pthread probe 3458PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2" 3459 3460pthread=no 3461cat > $TMPC << EOF 3462#include <pthread.h> 3463static void *f(void *p) { return NULL; } 3464int main(void) { 3465 pthread_t thread; 3466 pthread_create(&thread, 0, f, 0); 3467 return 0; 3468} 3469EOF 3470if compile_prog "" "" ; then 3471 pthread=yes 3472else 3473 for pthread_lib in $PTHREADLIBS_LIST; do 3474 if compile_prog "" "$pthread_lib" ; then 3475 pthread=yes 3476 break 3477 fi 3478 done 3479fi 3480 3481if test "$mingw32" != yes && test "$pthread" = no; then 3482 error_exit "pthread check failed" \ 3483 "Make sure to have the pthread libs and headers installed." 3484fi 3485 3486# check for pthread_setname_np with thread id 3487pthread_setname_np_w_tid=no 3488cat > $TMPC << EOF 3489#include <pthread.h> 3490 3491static void *f(void *p) { return NULL; } 3492int main(void) 3493{ 3494 pthread_t thread; 3495 pthread_create(&thread, 0, f, 0); 3496 pthread_setname_np(thread, "QEMU"); 3497 return 0; 3498} 3499EOF 3500if compile_prog "" "$pthread_lib" ; then 3501 pthread_setname_np_w_tid=yes 3502fi 3503 3504# check for pthread_setname_np without thread id 3505pthread_setname_np_wo_tid=no 3506cat > $TMPC << EOF 3507#include <pthread.h> 3508 3509static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; } 3510int main(void) 3511{ 3512 pthread_t thread; 3513 pthread_create(&thread, 0, f, 0); 3514 return 0; 3515} 3516EOF 3517if compile_prog "" "$pthread_lib" ; then 3518 pthread_setname_np_wo_tid=yes 3519fi 3520 3521########################################## 3522# libssh probe 3523if test "$libssh" != "no" ; then 3524 if $pkg_config --exists "libssh >= 0.8.7"; then 3525 libssh_cflags=$($pkg_config libssh --cflags) 3526 libssh_libs=$($pkg_config libssh --libs) 3527 libssh=yes 3528 else 3529 if test "$libssh" = "yes" ; then 3530 error_exit "libssh required for --enable-libssh" 3531 fi 3532 libssh=no 3533 fi 3534fi 3535 3536########################################## 3537# linux-aio probe 3538 3539if test "$linux_aio" != "no" ; then 3540 cat > $TMPC <<EOF 3541#include <libaio.h> 3542#include <sys/eventfd.h> 3543#include <stddef.h> 3544int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; } 3545EOF 3546 if compile_prog "" "-laio" ; then 3547 linux_aio=yes 3548 else 3549 if test "$linux_aio" = "yes" ; then 3550 feature_not_found "linux AIO" "Install libaio devel" 3551 fi 3552 linux_aio=no 3553 fi 3554fi 3555########################################## 3556# linux-io-uring probe 3557 3558if test "$linux_io_uring" != "no" ; then 3559 if $pkg_config liburing; then 3560 linux_io_uring_cflags=$($pkg_config --cflags liburing) 3561 linux_io_uring_libs=$($pkg_config --libs liburing) 3562 linux_io_uring=yes 3563 else 3564 if test "$linux_io_uring" = "yes" ; then 3565 feature_not_found "linux io_uring" "Install liburing devel" 3566 fi 3567 linux_io_uring=no 3568 fi 3569fi 3570 3571########################################## 3572# TPM emulation is only on POSIX 3573 3574if test "$tpm" = ""; then 3575 if test "$mingw32" = "yes"; then 3576 tpm=no 3577 else 3578 tpm=yes 3579 fi 3580elif test "$tpm" = "yes"; then 3581 if test "$mingw32" = "yes" ; then 3582 error_exit "TPM emulation only available on POSIX systems" 3583 fi 3584fi 3585 3586########################################## 3587# iovec probe 3588cat > $TMPC <<EOF 3589#include <sys/types.h> 3590#include <sys/uio.h> 3591#include <unistd.h> 3592int main(void) { return sizeof(struct iovec); } 3593EOF 3594iovec=no 3595if compile_prog "" "" ; then 3596 iovec=yes 3597fi 3598 3599########################################## 3600# fdt probe 3601 3602case "$fdt" in 3603 auto | enabled | internal) 3604 # Simpler to always update submodule, even if not needed. 3605 git_submodules="${git_submodules} dtc" 3606 ;; 3607esac 3608 3609########################################## 3610# opengl probe (for sdl2, gtk) 3611 3612gbm="no" 3613if $pkg_config gbm; then 3614 gbm_cflags="$($pkg_config --cflags gbm)" 3615 gbm_libs="$($pkg_config --libs gbm)" 3616 gbm="yes" 3617fi 3618 3619if test "$opengl" != "no" ; then 3620 epoxy=no 3621 if $pkg_config epoxy; then 3622 cat > $TMPC << EOF 3623#include <epoxy/egl.h> 3624int main(void) { return 0; } 3625EOF 3626 if compile_prog "" "" ; then 3627 epoxy=yes 3628 fi 3629 fi 3630 3631 if test "$epoxy" = "yes" ; then 3632 opengl_cflags="$($pkg_config --cflags epoxy)" 3633 opengl_libs="$($pkg_config --libs epoxy)" 3634 opengl=yes 3635 else 3636 if test "$opengl" = "yes" ; then 3637 feature_not_found "opengl" "Please install epoxy with EGL" 3638 fi 3639 opengl_cflags="" 3640 opengl_libs="" 3641 opengl=no 3642 fi 3643fi 3644 3645########################################## 3646# libxml2 probe 3647if test "$libxml2" != "no" ; then 3648 if $pkg_config --exists libxml-2.0; then 3649 libxml2="yes" 3650 libxml2_cflags=$($pkg_config --cflags libxml-2.0) 3651 libxml2_libs=$($pkg_config --libs libxml-2.0) 3652 else 3653 if test "$libxml2" = "yes"; then 3654 feature_not_found "libxml2" "Install libxml2 devel" 3655 fi 3656 libxml2="no" 3657 fi 3658fi 3659 3660# Check for inotify functions when we are building linux-user 3661# emulator. This is done because older glibc versions don't 3662# have syscall stubs for these implemented. In that case we 3663# don't provide them even if kernel supports them. 3664# 3665inotify=no 3666cat > $TMPC << EOF 3667#include <sys/inotify.h> 3668 3669int 3670main(void) 3671{ 3672 /* try to start inotify */ 3673 return inotify_init(); 3674} 3675EOF 3676if compile_prog "" "" ; then 3677 inotify=yes 3678fi 3679 3680inotify1=no 3681cat > $TMPC << EOF 3682#include <sys/inotify.h> 3683 3684int 3685main(void) 3686{ 3687 /* try to start inotify */ 3688 return inotify_init1(0); 3689} 3690EOF 3691if compile_prog "" "" ; then 3692 inotify1=yes 3693fi 3694 3695# check if pipe2 is there 3696pipe2=no 3697cat > $TMPC << EOF 3698#include <unistd.h> 3699#include <fcntl.h> 3700 3701int main(void) 3702{ 3703 int pipefd[2]; 3704 return pipe2(pipefd, O_CLOEXEC); 3705} 3706EOF 3707if compile_prog "" "" ; then 3708 pipe2=yes 3709fi 3710 3711# check if accept4 is there 3712accept4=no 3713cat > $TMPC << EOF 3714#include <sys/socket.h> 3715#include <stddef.h> 3716 3717int main(void) 3718{ 3719 accept4(0, NULL, NULL, SOCK_CLOEXEC); 3720 return 0; 3721} 3722EOF 3723if compile_prog "" "" ; then 3724 accept4=yes 3725fi 3726 3727# check if tee/splice is there. vmsplice was added same time. 3728splice=no 3729cat > $TMPC << EOF 3730#include <unistd.h> 3731#include <fcntl.h> 3732#include <limits.h> 3733 3734int main(void) 3735{ 3736 int len, fd = 0; 3737 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK); 3738 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE); 3739 return 0; 3740} 3741EOF 3742if compile_prog "" "" ; then 3743 splice=yes 3744fi 3745 3746########################################## 3747# libnuma probe 3748 3749if test "$numa" != "no" ; then 3750 cat > $TMPC << EOF 3751#include <numa.h> 3752int main(void) { return numa_available(); } 3753EOF 3754 3755 if compile_prog "" "-lnuma" ; then 3756 numa=yes 3757 numa_libs="-lnuma" 3758 else 3759 if test "$numa" = "yes" ; then 3760 feature_not_found "numa" "install numactl devel" 3761 fi 3762 numa=no 3763 fi 3764fi 3765 3766malloc=system 3767if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then 3768 echo "ERROR: tcmalloc && jemalloc can't be used at the same time" 3769 exit 1 3770elif test "$tcmalloc" = "yes" ; then 3771 malloc=tcmalloc 3772elif test "$jemalloc" = "yes" ; then 3773 malloc=jemalloc 3774fi 3775 3776########################################## 3777# signalfd probe 3778signalfd="no" 3779cat > $TMPC << EOF 3780#include <unistd.h> 3781#include <sys/syscall.h> 3782#include <signal.h> 3783int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); } 3784EOF 3785 3786if compile_prog "" "" ; then 3787 signalfd=yes 3788fi 3789 3790# check if optreset global is declared by <getopt.h> 3791optreset="no" 3792cat > $TMPC << EOF 3793#include <getopt.h> 3794int main(void) { return optreset; } 3795EOF 3796 3797if compile_prog "" "" ; then 3798 optreset=yes 3799fi 3800 3801# check if eventfd is supported 3802eventfd=no 3803cat > $TMPC << EOF 3804#include <sys/eventfd.h> 3805 3806int main(void) 3807{ 3808 return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); 3809} 3810EOF 3811if compile_prog "" "" ; then 3812 eventfd=yes 3813fi 3814 3815# check if memfd is supported 3816memfd=no 3817cat > $TMPC << EOF 3818#include <sys/mman.h> 3819 3820int main(void) 3821{ 3822 return memfd_create("foo", MFD_ALLOW_SEALING); 3823} 3824EOF 3825if compile_prog "" "" ; then 3826 memfd=yes 3827fi 3828 3829# check for usbfs 3830have_usbfs=no 3831if test "$linux_user" = "yes"; then 3832 cat > $TMPC << EOF 3833#include <linux/usbdevice_fs.h> 3834 3835#ifndef USBDEVFS_GET_CAPABILITIES 3836#error "USBDEVFS_GET_CAPABILITIES undefined" 3837#endif 3838 3839#ifndef USBDEVFS_DISCONNECT_CLAIM 3840#error "USBDEVFS_DISCONNECT_CLAIM undefined" 3841#endif 3842 3843int main(void) 3844{ 3845 return 0; 3846} 3847EOF 3848 if compile_prog "" ""; then 3849 have_usbfs=yes 3850 fi 3851fi 3852 3853# check for fallocate 3854fallocate=no 3855cat > $TMPC << EOF 3856#include <fcntl.h> 3857 3858int main(void) 3859{ 3860 fallocate(0, 0, 0, 0); 3861 return 0; 3862} 3863EOF 3864if compile_prog "" "" ; then 3865 fallocate=yes 3866fi 3867 3868# check for fallocate hole punching 3869fallocate_punch_hole=no 3870cat > $TMPC << EOF 3871#include <fcntl.h> 3872#include <linux/falloc.h> 3873 3874int main(void) 3875{ 3876 fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0); 3877 return 0; 3878} 3879EOF 3880if compile_prog "" "" ; then 3881 fallocate_punch_hole=yes 3882fi 3883 3884# check that fallocate supports range zeroing inside the file 3885fallocate_zero_range=no 3886cat > $TMPC << EOF 3887#include <fcntl.h> 3888#include <linux/falloc.h> 3889 3890int main(void) 3891{ 3892 fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0); 3893 return 0; 3894} 3895EOF 3896if compile_prog "" "" ; then 3897 fallocate_zero_range=yes 3898fi 3899 3900# check for posix_fallocate 3901posix_fallocate=no 3902cat > $TMPC << EOF 3903#include <fcntl.h> 3904 3905int main(void) 3906{ 3907 posix_fallocate(0, 0, 0); 3908 return 0; 3909} 3910EOF 3911if compile_prog "" "" ; then 3912 posix_fallocate=yes 3913fi 3914 3915# check for sync_file_range 3916sync_file_range=no 3917cat > $TMPC << EOF 3918#include <fcntl.h> 3919 3920int main(void) 3921{ 3922 sync_file_range(0, 0, 0, 0); 3923 return 0; 3924} 3925EOF 3926if compile_prog "" "" ; then 3927 sync_file_range=yes 3928fi 3929 3930# check for linux/fiemap.h and FS_IOC_FIEMAP 3931fiemap=no 3932cat > $TMPC << EOF 3933#include <sys/ioctl.h> 3934#include <linux/fs.h> 3935#include <linux/fiemap.h> 3936 3937int main(void) 3938{ 3939 ioctl(0, FS_IOC_FIEMAP, 0); 3940 return 0; 3941} 3942EOF 3943if compile_prog "" "" ; then 3944 fiemap=yes 3945fi 3946 3947# check for dup3 3948dup3=no 3949cat > $TMPC << EOF 3950#include <unistd.h> 3951 3952int main(void) 3953{ 3954 dup3(0, 0, 0); 3955 return 0; 3956} 3957EOF 3958if compile_prog "" "" ; then 3959 dup3=yes 3960fi 3961 3962# check for ppoll support 3963ppoll=no 3964cat > $TMPC << EOF 3965#include <poll.h> 3966 3967int main(void) 3968{ 3969 struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 }; 3970 ppoll(&pfd, 1, 0, 0); 3971 return 0; 3972} 3973EOF 3974if compile_prog "" "" ; then 3975 ppoll=yes 3976fi 3977 3978# check for prctl(PR_SET_TIMERSLACK , ... ) support 3979prctl_pr_set_timerslack=no 3980cat > $TMPC << EOF 3981#include <sys/prctl.h> 3982 3983int main(void) 3984{ 3985 prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0); 3986 return 0; 3987} 3988EOF 3989if compile_prog "" "" ; then 3990 prctl_pr_set_timerslack=yes 3991fi 3992 3993# check for epoll support 3994epoll=no 3995cat > $TMPC << EOF 3996#include <sys/epoll.h> 3997 3998int main(void) 3999{ 4000 epoll_create(0); 4001 return 0; 4002} 4003EOF 4004if compile_prog "" "" ; then 4005 epoll=yes 4006fi 4007 4008# epoll_create1 is a later addition 4009# so we must check separately for its presence 4010epoll_create1=no 4011cat > $TMPC << EOF 4012#include <sys/epoll.h> 4013 4014int main(void) 4015{ 4016 /* Note that we use epoll_create1 as a value, not as 4017 * a function being called. This is necessary so that on 4018 * old SPARC glibc versions where the function was present in 4019 * the library but not declared in the header file we will 4020 * fail the configure check. (Otherwise we will get a compiler 4021 * warning but not an error, and will proceed to fail the 4022 * qemu compile where we compile with -Werror.) 4023 */ 4024 return (int)(uintptr_t)&epoll_create1; 4025} 4026EOF 4027if compile_prog "" "" ; then 4028 epoll_create1=yes 4029fi 4030 4031# check for sendfile support 4032sendfile=no 4033cat > $TMPC << EOF 4034#include <sys/sendfile.h> 4035 4036int main(void) 4037{ 4038 return sendfile(0, 0, 0, 0); 4039} 4040EOF 4041if compile_prog "" "" ; then 4042 sendfile=yes 4043fi 4044 4045# check for timerfd support (glibc 2.8 and newer) 4046timerfd=no 4047cat > $TMPC << EOF 4048#include <sys/timerfd.h> 4049 4050int main(void) 4051{ 4052 return(timerfd_create(CLOCK_REALTIME, 0)); 4053} 4054EOF 4055if compile_prog "" "" ; then 4056 timerfd=yes 4057fi 4058 4059# check for setns and unshare support 4060setns=no 4061cat > $TMPC << EOF 4062#include <sched.h> 4063 4064int main(void) 4065{ 4066 int ret; 4067 ret = setns(0, 0); 4068 ret = unshare(0); 4069 return ret; 4070} 4071EOF 4072if compile_prog "" "" ; then 4073 setns=yes 4074fi 4075 4076# clock_adjtime probe 4077clock_adjtime=no 4078cat > $TMPC <<EOF 4079#include <time.h> 4080#include <sys/timex.h> 4081 4082int main(void) 4083{ 4084 return clock_adjtime(0, 0); 4085} 4086EOF 4087clock_adjtime=no 4088if compile_prog "" "" ; then 4089 clock_adjtime=yes 4090fi 4091 4092# syncfs probe 4093syncfs=no 4094cat > $TMPC <<EOF 4095#include <unistd.h> 4096 4097int main(void) 4098{ 4099 return syncfs(0); 4100} 4101EOF 4102syncfs=no 4103if compile_prog "" "" ; then 4104 syncfs=yes 4105fi 4106 4107# Search for bswap_32 function 4108byteswap_h=no 4109cat > $TMPC << EOF 4110#include <byteswap.h> 4111int main(void) { return bswap_32(0); } 4112EOF 4113if compile_prog "" "" ; then 4114 byteswap_h=yes 4115fi 4116 4117# Search for bswap32 function 4118bswap_h=no 4119cat > $TMPC << EOF 4120#include <sys/endian.h> 4121#include <sys/types.h> 4122#include <machine/bswap.h> 4123int main(void) { return bswap32(0); } 4124EOF 4125if compile_prog "" "" ; then 4126 bswap_h=yes 4127fi 4128 4129# Check whether we have openpty() in either libc or libutil 4130cat > $TMPC << EOF 4131extern int openpty(int *am, int *as, char *name, void *termp, void *winp); 4132int main(void) { return openpty(0, 0, 0, 0, 0); } 4133EOF 4134 4135have_openpty="no" 4136if compile_prog "" "" ; then 4137 have_openpty="yes" 4138else 4139 if compile_prog "" "-lutil" ; then 4140 have_openpty="yes" 4141 fi 4142fi 4143 4144########################################## 4145# spice probe 4146if test "$spice_protocol" != "no" ; then 4147 spice_protocol_cflags=$($pkg_config --cflags spice-protocol 2>/dev/null) 4148 if $pkg_config --atleast-version=0.12.3 spice-protocol; then 4149 spice_protocol="yes" 4150 else 4151 if test "$spice_protocol" = "yes" ; then 4152 feature_not_found "spice_protocol" \ 4153 "Install spice-protocol(>=0.12.3) devel" 4154 fi 4155 spice_protocol="no" 4156 fi 4157fi 4158 4159if test "$spice" != "no" ; then 4160 cat > $TMPC << EOF 4161#include <spice.h> 4162int main(void) { spice_server_new(); return 0; } 4163EOF 4164 spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null) 4165 spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null) 4166 if $pkg_config --atleast-version=0.12.5 spice-server && \ 4167 test "$spice_protocol" = "yes" && \ 4168 compile_prog "$spice_cflags" "$spice_libs" ; then 4169 spice="yes" 4170 else 4171 if test "$spice" = "yes" ; then 4172 feature_not_found "spice" \ 4173 "Install spice-server(>=0.12.5) devel" 4174 fi 4175 spice="no" 4176 fi 4177fi 4178 4179# check for smartcard support 4180if test "$smartcard" != "no"; then 4181 if $pkg_config --atleast-version=2.5.1 libcacard; then 4182 libcacard_cflags=$($pkg_config --cflags libcacard) 4183 libcacard_libs=$($pkg_config --libs libcacard) 4184 smartcard="yes" 4185 else 4186 if test "$smartcard" = "yes"; then 4187 feature_not_found "smartcard" "Install libcacard devel" 4188 fi 4189 smartcard="no" 4190 fi 4191fi 4192 4193# check for libusb 4194if test "$libusb" != "no" ; then 4195 if $pkg_config --atleast-version=1.0.13 libusb-1.0; then 4196 libusb="yes" 4197 libusb_cflags=$($pkg_config --cflags libusb-1.0) 4198 libusb_libs=$($pkg_config --libs libusb-1.0) 4199 else 4200 if test "$libusb" = "yes"; then 4201 feature_not_found "libusb" "Install libusb devel >= 1.0.13" 4202 fi 4203 libusb="no" 4204 fi 4205fi 4206 4207# check for usbredirparser for usb network redirection support 4208if test "$usb_redir" != "no" ; then 4209 if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then 4210 usb_redir="yes" 4211 usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5) 4212 usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5) 4213 else 4214 if test "$usb_redir" = "yes"; then 4215 feature_not_found "usb-redir" "Install usbredir devel" 4216 fi 4217 usb_redir="no" 4218 fi 4219fi 4220 4221########################################## 4222# check if we have VSS SDK headers for win 4223 4224if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \ 4225 test "$vss_win32_sdk" != "no" ; then 4226 case "$vss_win32_sdk" in 4227 "") vss_win32_include="-isystem $source_path" ;; 4228 *\ *) # The SDK is installed in "Program Files" by default, but we cannot 4229 # handle path with spaces. So we symlink the headers into ".sdk/vss". 4230 vss_win32_include="-isystem $source_path/.sdk/vss" 4231 symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc" 4232 ;; 4233 *) vss_win32_include="-isystem $vss_win32_sdk" 4234 esac 4235 cat > $TMPC << EOF 4236#define __MIDL_user_allocate_free_DEFINED__ 4237#include <inc/win2003/vss.h> 4238int main(void) { return VSS_CTX_BACKUP; } 4239EOF 4240 if compile_prog "$vss_win32_include" "" ; then 4241 guest_agent_with_vss="yes" 4242 QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include" 4243 libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga" 4244 qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb" 4245 else 4246 if test "$vss_win32_sdk" != "" ; then 4247 echo "ERROR: Please download and install Microsoft VSS SDK:" 4248 echo "ERROR: http://www.microsoft.com/en-us/download/details.aspx?id=23490" 4249 echo "ERROR: On POSIX-systems, you can extract the SDK headers by:" 4250 echo "ERROR: scripts/extract-vsssdk-headers setup.exe" 4251 echo "ERROR: The headers are extracted in the directory \`inc'." 4252 feature_not_found "VSS support" 4253 fi 4254 guest_agent_with_vss="no" 4255 fi 4256fi 4257 4258########################################## 4259# lookup Windows platform SDK (if not specified) 4260# The SDK is needed only to build .tlb (type library) file of guest agent 4261# VSS provider from the source. It is usually unnecessary because the 4262# pre-compiled .tlb file is included. 4263 4264if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \ 4265 test "$guest_agent_with_vss" = "yes" ; then 4266 if test -z "$win_sdk"; then 4267 programfiles="$PROGRAMFILES" 4268 test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432" 4269 if test -n "$programfiles"; then 4270 win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null 4271 else 4272 feature_not_found "Windows SDK" 4273 fi 4274 elif test "$win_sdk" = "no"; then 4275 win_sdk="" 4276 fi 4277fi 4278 4279########################################## 4280# check if mingw environment provides a recent ntddscsi.h 4281if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then 4282 cat > $TMPC << EOF 4283#include <windows.h> 4284#include <ntddscsi.h> 4285int main(void) { 4286#if !defined(IOCTL_SCSI_GET_ADDRESS) 4287#error Missing required ioctl definitions 4288#endif 4289 SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 }; 4290 return addr.Lun; 4291} 4292EOF 4293 if compile_prog "" "" ; then 4294 guest_agent_ntddscsi=yes 4295 libs_qga="-lsetupapi -lcfgmgr32 $libs_qga" 4296 fi 4297fi 4298 4299########################################## 4300# virgl renderer probe 4301 4302if test "$virglrenderer" != "no" ; then 4303 cat > $TMPC << EOF 4304#include <virglrenderer.h> 4305int main(void) { virgl_renderer_poll(); return 0; } 4306EOF 4307 virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null) 4308 virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null) 4309 virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null) 4310 if $pkg_config virglrenderer >/dev/null 2>&1 && \ 4311 compile_prog "$virgl_cflags" "$virgl_libs" ; then 4312 virglrenderer="yes" 4313 else 4314 if test "$virglrenderer" = "yes" ; then 4315 feature_not_found "virglrenderer" 4316 fi 4317 virglrenderer="no" 4318 fi 4319fi 4320 4321########################################## 4322# capstone 4323 4324case "$capstone" in 4325 auto | enabled | internal) 4326 # Simpler to always update submodule, even if not needed. 4327 git_submodules="${git_submodules} capstone" 4328 ;; 4329esac 4330 4331########################################## 4332# check if we have fdatasync 4333 4334fdatasync=no 4335cat > $TMPC << EOF 4336#include <unistd.h> 4337int main(void) { 4338#if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0 4339return fdatasync(0); 4340#else 4341#error Not supported 4342#endif 4343} 4344EOF 4345if compile_prog "" "" ; then 4346 fdatasync=yes 4347fi 4348 4349########################################## 4350# check if we have madvise 4351 4352madvise=no 4353cat > $TMPC << EOF 4354#include <sys/types.h> 4355#include <sys/mman.h> 4356#include <stddef.h> 4357int main(void) { return madvise(NULL, 0, MADV_DONTNEED); } 4358EOF 4359if compile_prog "" "" ; then 4360 madvise=yes 4361fi 4362 4363########################################## 4364# check if we have posix_madvise 4365 4366posix_madvise=no 4367cat > $TMPC << EOF 4368#include <sys/mman.h> 4369#include <stddef.h> 4370int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); } 4371EOF 4372if compile_prog "" "" ; then 4373 posix_madvise=yes 4374fi 4375 4376########################################## 4377# check if we have posix_memalign() 4378 4379posix_memalign=no 4380cat > $TMPC << EOF 4381#include <stdlib.h> 4382int main(void) { 4383 void *p; 4384 return posix_memalign(&p, 8, 8); 4385} 4386EOF 4387if compile_prog "" "" ; then 4388 posix_memalign=yes 4389fi 4390 4391########################################## 4392# check if we have posix_syslog 4393 4394posix_syslog=no 4395cat > $TMPC << EOF 4396#include <syslog.h> 4397int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; } 4398EOF 4399if compile_prog "" "" ; then 4400 posix_syslog=yes 4401fi 4402 4403########################################## 4404# check if we have sem_timedwait 4405 4406sem_timedwait=no 4407cat > $TMPC << EOF 4408#include <semaphore.h> 4409int main(void) { sem_t s; struct timespec t = {0}; return sem_timedwait(&s, &t); } 4410EOF 4411if compile_prog "" "" ; then 4412 sem_timedwait=yes 4413fi 4414 4415########################################## 4416# check if we have strchrnul 4417 4418strchrnul=no 4419cat > $TMPC << EOF 4420#include <string.h> 4421int main(void); 4422// Use a haystack that the compiler shouldn't be able to constant fold 4423char *haystack = (char*)&main; 4424int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; } 4425EOF 4426if compile_prog "" "" ; then 4427 strchrnul=yes 4428fi 4429 4430######################################### 4431# check if we have st_atim 4432 4433st_atim=no 4434cat > $TMPC << EOF 4435#include <sys/stat.h> 4436#include <stddef.h> 4437int main(void) { return offsetof(struct stat, st_atim); } 4438EOF 4439if compile_prog "" "" ; then 4440 st_atim=yes 4441fi 4442 4443########################################## 4444# check if trace backend exists 4445 4446$python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends > /dev/null 2> /dev/null 4447if test "$?" -ne 0 ; then 4448 error_exit "invalid trace backends" \ 4449 "Please choose supported trace backends." 4450fi 4451 4452########################################## 4453# For 'ust' backend, test if ust headers are present 4454if have_backend "ust"; then 4455 cat > $TMPC << EOF 4456#include <lttng/tracepoint.h> 4457int main(void) { return 0; } 4458EOF 4459 if compile_prog "" "-Wl,--no-as-needed -ldl" ; then 4460 if $pkg_config lttng-ust --exists; then 4461 lttng_ust_libs=$($pkg_config --libs lttng-ust) 4462 else 4463 lttng_ust_libs="-llttng-ust -ldl" 4464 fi 4465 if $pkg_config liburcu-bp --exists; then 4466 urcu_bp_libs=$($pkg_config --libs liburcu-bp) 4467 else 4468 urcu_bp_libs="-lurcu-bp" 4469 fi 4470 else 4471 error_exit "Trace backend 'ust' missing lttng-ust header files" 4472 fi 4473fi 4474 4475########################################## 4476# For 'dtrace' backend, test if 'dtrace' command is present 4477if have_backend "dtrace"; then 4478 if ! has 'dtrace' ; then 4479 error_exit "dtrace command is not found in PATH $PATH" 4480 fi 4481 trace_backend_stap="no" 4482 if has 'stap' ; then 4483 trace_backend_stap="yes" 4484 4485 # Workaround to avoid dtrace(1) producing a file with 'hidden' symbol 4486 # visibility. Define STAP_SDT_V2 to produce 'default' symbol visibility 4487 # instead. QEMU --enable-modules depends on this because the SystemTap 4488 # semaphores are linked into the main binary and not the module's shared 4489 # object. 4490 QEMU_CFLAGS="$QEMU_CFLAGS -DSTAP_SDT_V2" 4491 fi 4492fi 4493 4494########################################## 4495# check and set a backend for coroutine 4496 4497# We prefer ucontext, but it's not always possible. The fallback 4498# is sigcontext. On Windows the only valid backend is the Windows 4499# specific one. 4500 4501ucontext_works=no 4502if test "$darwin" != "yes"; then 4503 cat > $TMPC << EOF 4504#include <ucontext.h> 4505#ifdef __stub_makecontext 4506#error Ignoring glibc stub makecontext which will always fail 4507#endif 4508int main(void) { makecontext(0, 0, 0); return 0; } 4509EOF 4510 if compile_prog "" "" ; then 4511 ucontext_works=yes 4512 fi 4513fi 4514 4515if test "$coroutine" = ""; then 4516 if test "$mingw32" = "yes"; then 4517 coroutine=win32 4518 elif test "$ucontext_works" = "yes"; then 4519 coroutine=ucontext 4520 else 4521 coroutine=sigaltstack 4522 fi 4523else 4524 case $coroutine in 4525 windows) 4526 if test "$mingw32" != "yes"; then 4527 error_exit "'windows' coroutine backend only valid for Windows" 4528 fi 4529 # Unfortunately the user visible backend name doesn't match the 4530 # coroutine-*.c filename for this case, so we have to adjust it here. 4531 coroutine=win32 4532 ;; 4533 ucontext) 4534 if test "$ucontext_works" != "yes"; then 4535 feature_not_found "ucontext" 4536 fi 4537 ;; 4538 sigaltstack) 4539 if test "$mingw32" = "yes"; then 4540 error_exit "only the 'windows' coroutine backend is valid for Windows" 4541 fi 4542 ;; 4543 *) 4544 error_exit "unknown coroutine backend $coroutine" 4545 ;; 4546 esac 4547fi 4548 4549if test "$coroutine_pool" = ""; then 4550 coroutine_pool=yes 4551fi 4552 4553if test "$debug_stack_usage" = "yes"; then 4554 if test "$coroutine_pool" = "yes"; then 4555 echo "WARN: disabling coroutine pool for stack usage debugging" 4556 coroutine_pool=no 4557 fi 4558fi 4559 4560################################################## 4561# SafeStack 4562 4563 4564if test "$safe_stack" = "yes"; then 4565cat > $TMPC << EOF 4566int main(int argc, char *argv[]) 4567{ 4568#if ! __has_feature(safe_stack) 4569#error SafeStack Disabled 4570#endif 4571 return 0; 4572} 4573EOF 4574 flag="-fsanitize=safe-stack" 4575 # Check that safe-stack is supported and enabled. 4576 if compile_prog "-Werror $flag" "$flag"; then 4577 # Flag needed both at compilation and at linking 4578 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 4579 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 4580 else 4581 error_exit "SafeStack not supported by your compiler" 4582 fi 4583 if test "$coroutine" != "ucontext"; then 4584 error_exit "SafeStack is only supported by the coroutine backend ucontext" 4585 fi 4586else 4587cat > $TMPC << EOF 4588int main(int argc, char *argv[]) 4589{ 4590#if defined(__has_feature) 4591#if __has_feature(safe_stack) 4592#error SafeStack Enabled 4593#endif 4594#endif 4595 return 0; 4596} 4597EOF 4598if test "$safe_stack" = "no"; then 4599 # Make sure that safe-stack is disabled 4600 if ! compile_prog "-Werror" ""; then 4601 # SafeStack was already enabled, try to explicitly remove the feature 4602 flag="-fno-sanitize=safe-stack" 4603 if ! compile_prog "-Werror $flag" "$flag"; then 4604 error_exit "Configure cannot disable SafeStack" 4605 fi 4606 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 4607 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 4608 fi 4609else # "$safe_stack" = "" 4610 # Set safe_stack to yes or no based on pre-existing flags 4611 if compile_prog "-Werror" ""; then 4612 safe_stack="no" 4613 else 4614 safe_stack="yes" 4615 if test "$coroutine" != "ucontext"; then 4616 error_exit "SafeStack is only supported by the coroutine backend ucontext" 4617 fi 4618 fi 4619fi 4620fi 4621 4622########################################## 4623# check if we have open_by_handle_at 4624 4625open_by_handle_at=no 4626cat > $TMPC << EOF 4627#include <fcntl.h> 4628#if !defined(AT_EMPTY_PATH) 4629# error missing definition 4630#else 4631int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); } 4632#endif 4633EOF 4634if compile_prog "" "" ; then 4635 open_by_handle_at=yes 4636fi 4637 4638######################################## 4639# check if we have linux/magic.h 4640 4641linux_magic_h=no 4642cat > $TMPC << EOF 4643#include <linux/magic.h> 4644int main(void) { 4645 return 0; 4646} 4647EOF 4648if compile_prog "" "" ; then 4649 linux_magic_h=yes 4650fi 4651 4652######################################## 4653# check if we have valgrind/valgrind.h 4654 4655valgrind_h=no 4656cat > $TMPC << EOF 4657#include <valgrind/valgrind.h> 4658int main(void) { 4659 return 0; 4660} 4661EOF 4662if compile_prog "" "" ; then 4663 valgrind_h=yes 4664fi 4665 4666######################################## 4667# check if environ is declared 4668 4669has_environ=no 4670cat > $TMPC << EOF 4671#include <unistd.h> 4672int main(void) { 4673 environ = 0; 4674 return 0; 4675} 4676EOF 4677if compile_prog "" "" ; then 4678 has_environ=yes 4679fi 4680 4681######################################## 4682# check if cpuid.h is usable. 4683 4684cat > $TMPC << EOF 4685#include <cpuid.h> 4686int main(void) { 4687 unsigned a, b, c, d; 4688 int max = __get_cpuid_max(0, 0); 4689 4690 if (max >= 1) { 4691 __cpuid(1, a, b, c, d); 4692 } 4693 4694 if (max >= 7) { 4695 __cpuid_count(7, 0, a, b, c, d); 4696 } 4697 4698 return 0; 4699} 4700EOF 4701if compile_prog "" "" ; then 4702 cpuid_h=yes 4703fi 4704 4705########################################## 4706# avx2 optimization requirement check 4707# 4708# There is no point enabling this if cpuid.h is not usable, 4709# since we won't be able to select the new routines. 4710 4711if test "$cpuid_h" = "yes" && test "$avx2_opt" != "no"; then 4712 cat > $TMPC << EOF 4713#pragma GCC push_options 4714#pragma GCC target("avx2") 4715#include <cpuid.h> 4716#include <immintrin.h> 4717static int bar(void *a) { 4718 __m256i x = *(__m256i *)a; 4719 return _mm256_testz_si256(x, x); 4720} 4721int main(int argc, char *argv[]) { return bar(argv[0]); } 4722EOF 4723 if compile_object "" ; then 4724 avx2_opt="yes" 4725 else 4726 avx2_opt="no" 4727 fi 4728fi 4729 4730########################################## 4731# avx512f optimization requirement check 4732# 4733# There is no point enabling this if cpuid.h is not usable, 4734# since we won't be able to select the new routines. 4735# by default, it is turned off. 4736# if user explicitly want to enable it, check environment 4737 4738if test "$cpuid_h" = "yes" && test "$avx512f_opt" = "yes"; then 4739 cat > $TMPC << EOF 4740#pragma GCC push_options 4741#pragma GCC target("avx512f") 4742#include <cpuid.h> 4743#include <immintrin.h> 4744static int bar(void *a) { 4745 __m512i x = *(__m512i *)a; 4746 return _mm512_test_epi64_mask(x, x); 4747} 4748int main(int argc, char *argv[]) 4749{ 4750 return bar(argv[0]); 4751} 4752EOF 4753 if ! compile_object "" ; then 4754 avx512f_opt="no" 4755 fi 4756else 4757 avx512f_opt="no" 4758fi 4759 4760######################################## 4761# check if __[u]int128_t is usable. 4762 4763int128=no 4764cat > $TMPC << EOF 4765__int128_t a; 4766__uint128_t b; 4767int main (void) { 4768 a = a + b; 4769 b = a * b; 4770 a = a * a; 4771 return 0; 4772} 4773EOF 4774if compile_prog "" "" ; then 4775 int128=yes 4776fi 4777 4778######################################### 4779# See if 128-bit atomic operations are supported. 4780 4781atomic128=no 4782if test "$int128" = "yes"; then 4783 cat > $TMPC << EOF 4784int main(void) 4785{ 4786 unsigned __int128 x = 0, y = 0; 4787 y = __atomic_load(&x, 0); 4788 __atomic_store(&x, y, 0); 4789 __atomic_compare_exchange(&x, &y, x, 0, 0, 0); 4790 return 0; 4791} 4792EOF 4793 if compile_prog "" "" ; then 4794 atomic128=yes 4795 fi 4796fi 4797 4798cmpxchg128=no 4799if test "$int128" = yes && test "$atomic128" = no; then 4800 cat > $TMPC << EOF 4801int main(void) 4802{ 4803 unsigned __int128 x = 0, y = 0; 4804 __sync_val_compare_and_swap_16(&x, y, x); 4805 return 0; 4806} 4807EOF 4808 if compile_prog "" "" ; then 4809 cmpxchg128=yes 4810 fi 4811fi 4812 4813######################################### 4814# See if 64-bit atomic operations are supported. 4815# Note that without __atomic builtins, we can only 4816# assume atomic loads/stores max at pointer size. 4817 4818cat > $TMPC << EOF 4819#include <stdint.h> 4820int main(void) 4821{ 4822 uint64_t x = 0, y = 0; 4823#ifdef __ATOMIC_RELAXED 4824 y = __atomic_load_n(&x, __ATOMIC_RELAXED); 4825 __atomic_store_n(&x, y, __ATOMIC_RELAXED); 4826 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED); 4827 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED); 4828 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED); 4829#else 4830 typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1]; 4831 __sync_lock_test_and_set(&x, y); 4832 __sync_val_compare_and_swap(&x, y, 0); 4833 __sync_fetch_and_add(&x, y); 4834#endif 4835 return 0; 4836} 4837EOF 4838if compile_prog "" "" ; then 4839 atomic64=yes 4840fi 4841 4842######################################### 4843# See if --dynamic-list is supported by the linker 4844ld_dynamic_list="no" 4845if test "$static" = "no" ; then 4846 cat > $TMPTXT <<EOF 4847{ 4848 foo; 4849}; 4850EOF 4851 4852 cat > $TMPC <<EOF 4853#include <stdio.h> 4854void foo(void); 4855 4856void foo(void) 4857{ 4858 printf("foo\n"); 4859} 4860 4861int main(void) 4862{ 4863 foo(); 4864 return 0; 4865} 4866EOF 4867 4868 if compile_prog "" "-Wl,--dynamic-list=$TMPTXT" ; then 4869 ld_dynamic_list="yes" 4870 fi 4871fi 4872 4873######################################### 4874# See if -exported_symbols_list is supported by the linker 4875 4876ld_exported_symbols_list="no" 4877if test "$static" = "no" ; then 4878 cat > $TMPTXT <<EOF 4879 _foo 4880EOF 4881 4882 if compile_prog "" "-Wl,-exported_symbols_list,$TMPTXT" ; then 4883 ld_exported_symbols_list="yes" 4884 fi 4885fi 4886 4887if test "$plugins" = "yes" && 4888 test "$ld_dynamic_list" = "no" && 4889 test "$ld_exported_symbols_list" = "no" ; then 4890 error_exit \ 4891 "Plugin support requires dynamic linking and specifying a set of symbols " \ 4892 "that are exported to plugins. Unfortunately your linker doesn't " \ 4893 "support the flag (--dynamic-list or -exported_symbols_list) used " \ 4894 "for this purpose. You can't build with --static." 4895fi 4896 4897######################################## 4898# check if getauxval is available. 4899 4900getauxval=no 4901cat > $TMPC << EOF 4902#include <sys/auxv.h> 4903int main(void) { 4904 return getauxval(AT_HWCAP) == 0; 4905} 4906EOF 4907if compile_prog "" "" ; then 4908 getauxval=yes 4909fi 4910 4911######################################## 4912# check if ccache is interfering with 4913# semantic analysis of macros 4914 4915unset CCACHE_CPP2 4916ccache_cpp2=no 4917cat > $TMPC << EOF 4918static const int Z = 1; 4919#define fn() ({ Z; }) 4920#define TAUT(X) ((X) == Z) 4921#define PAREN(X, Y) (X == Y) 4922#define ID(X) (X) 4923int main(int argc, char *argv[]) 4924{ 4925 int x = 0, y = 0; 4926 x = ID(x); 4927 x = fn(); 4928 fn(); 4929 if (PAREN(x, y)) return 0; 4930 if (TAUT(Z)) return 0; 4931 return 0; 4932} 4933EOF 4934 4935if ! compile_object "-Werror"; then 4936 ccache_cpp2=yes 4937fi 4938 4939################################################# 4940# clang does not support glibc + FORTIFY_SOURCE. 4941 4942if test "$fortify_source" != "no"; then 4943 if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then 4944 fortify_source="no"; 4945 elif test -n "$cxx" && has $cxx && 4946 echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then 4947 fortify_source="no"; 4948 else 4949 fortify_source="yes" 4950 fi 4951fi 4952 4953############################################### 4954# Check if copy_file_range is provided by glibc 4955have_copy_file_range=no 4956cat > $TMPC << EOF 4957#include <unistd.h> 4958int main(void) { 4959 copy_file_range(0, NULL, 0, NULL, 0, 0); 4960 return 0; 4961} 4962EOF 4963if compile_prog "" "" ; then 4964 have_copy_file_range=yes 4965fi 4966 4967########################################## 4968# check if struct fsxattr is available via linux/fs.h 4969 4970have_fsxattr=no 4971cat > $TMPC << EOF 4972#include <linux/fs.h> 4973struct fsxattr foo; 4974int main(void) { 4975 return 0; 4976} 4977EOF 4978if compile_prog "" "" ; then 4979 have_fsxattr=yes 4980fi 4981 4982########################################## 4983# check for usable membarrier system call 4984if test "$membarrier" = "yes"; then 4985 have_membarrier=no 4986 if test "$mingw32" = "yes" ; then 4987 have_membarrier=yes 4988 elif test "$linux" = "yes" ; then 4989 cat > $TMPC << EOF 4990 #include <linux/membarrier.h> 4991 #include <sys/syscall.h> 4992 #include <unistd.h> 4993 #include <stdlib.h> 4994 int main(void) { 4995 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0); 4996 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0); 4997 exit(0); 4998 } 4999EOF 5000 if compile_prog "" "" ; then 5001 have_membarrier=yes 5002 fi 5003 fi 5004 if test "$have_membarrier" = "no"; then 5005 feature_not_found "membarrier" "membarrier system call not available" 5006 fi 5007else 5008 # Do not enable it by default even for Mingw32, because it doesn't 5009 # work on Wine. 5010 membarrier=no 5011fi 5012 5013########################################## 5014# check if rtnetlink.h exists and is useful 5015have_rtnetlink=no 5016cat > $TMPC << EOF 5017#include <linux/rtnetlink.h> 5018int main(void) { 5019 return IFLA_PROTO_DOWN; 5020} 5021EOF 5022if compile_prog "" "" ; then 5023 have_rtnetlink=yes 5024fi 5025 5026########################################## 5027# check for usable AF_VSOCK environment 5028have_af_vsock=no 5029cat > $TMPC << EOF 5030#include <errno.h> 5031#include <sys/types.h> 5032#include <sys/socket.h> 5033#if !defined(AF_VSOCK) 5034# error missing AF_VSOCK flag 5035#endif 5036#include <linux/vm_sockets.h> 5037int main(void) { 5038 int sock, ret; 5039 struct sockaddr_vm svm; 5040 socklen_t len = sizeof(svm); 5041 sock = socket(AF_VSOCK, SOCK_STREAM, 0); 5042 ret = getpeername(sock, (struct sockaddr *)&svm, &len); 5043 if ((ret == -1) && (errno == ENOTCONN)) { 5044 return 0; 5045 } 5046 return -1; 5047} 5048EOF 5049if compile_prog "" "" ; then 5050 have_af_vsock=yes 5051fi 5052 5053########################################## 5054# check for usable AF_ALG environment 5055have_afalg=no 5056cat > $TMPC << EOF 5057#include <errno.h> 5058#include <sys/types.h> 5059#include <sys/socket.h> 5060#include <linux/if_alg.h> 5061int main(void) { 5062 int sock; 5063 sock = socket(AF_ALG, SOCK_SEQPACKET, 0); 5064 return sock; 5065} 5066EOF 5067if compile_prog "" "" ; then 5068 have_afalg=yes 5069fi 5070if test "$crypto_afalg" = "yes" 5071then 5072 if test "$have_afalg" != "yes" 5073 then 5074 error_exit "AF_ALG requested but could not be detected" 5075 fi 5076fi 5077 5078 5079################################################# 5080# check for sysmacros.h 5081 5082have_sysmacros=no 5083cat > $TMPC << EOF 5084#include <sys/sysmacros.h> 5085int main(void) { 5086 return makedev(0, 0); 5087} 5088EOF 5089if compile_prog "" "" ; then 5090 have_sysmacros=yes 5091fi 5092 5093########################################## 5094# check for _Static_assert() 5095 5096have_static_assert=no 5097cat > $TMPC << EOF 5098_Static_assert(1, "success"); 5099int main(void) { 5100 return 0; 5101} 5102EOF 5103if compile_prog "" "" ; then 5104 have_static_assert=yes 5105fi 5106 5107########################################## 5108# check for utmpx.h, it is missing e.g. on OpenBSD 5109 5110have_utmpx=no 5111cat > $TMPC << EOF 5112#include <utmpx.h> 5113struct utmpx user_info; 5114int main(void) { 5115 return 0; 5116} 5117EOF 5118if compile_prog "" "" ; then 5119 have_utmpx=yes 5120fi 5121 5122########################################## 5123# check for getrandom() 5124 5125have_getrandom=no 5126cat > $TMPC << EOF 5127#include <sys/random.h> 5128int main(void) { 5129 return getrandom(0, 0, GRND_NONBLOCK); 5130} 5131EOF 5132if compile_prog "" "" ; then 5133 have_getrandom=yes 5134fi 5135 5136########################################## 5137# checks for sanitizers 5138 5139have_asan=no 5140have_ubsan=no 5141have_asan_iface_h=no 5142have_asan_iface_fiber=no 5143 5144if test "$sanitizers" = "yes" ; then 5145 write_c_skeleton 5146 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then 5147 have_asan=yes 5148 fi 5149 5150 # we could use a simple skeleton for flags checks, but this also 5151 # detect the static linking issue of ubsan, see also: 5152 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285 5153 cat > $TMPC << EOF 5154#include <stdlib.h> 5155int main(void) { 5156 void *tmp = malloc(10); 5157 if (tmp != NULL) { 5158 return *(int *)(tmp + 2); 5159 } 5160 return 1; 5161} 5162EOF 5163 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then 5164 have_ubsan=yes 5165 fi 5166 5167 if check_include "sanitizer/asan_interface.h" ; then 5168 have_asan_iface_h=yes 5169 fi 5170 5171 cat > $TMPC << EOF 5172#include <sanitizer/asan_interface.h> 5173int main(void) { 5174 __sanitizer_start_switch_fiber(0, 0, 0); 5175 return 0; 5176} 5177EOF 5178 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then 5179 have_asan_iface_fiber=yes 5180 fi 5181fi 5182 5183########################################## 5184# checks for fuzzer 5185if test "$fuzzing" = "yes" && test -z "${LIB_FUZZING_ENGINE+xxx}"; then 5186 write_c_fuzzer_skeleton 5187 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=fuzzer" ""; then 5188 have_fuzzer=yes 5189 else 5190 error_exit "Your compiler doesn't support -fsanitize=fuzzer" 5191 exit 1 5192 fi 5193fi 5194 5195# Thread sanitizer is, for now, much noisier than the other sanitizers; 5196# keep it separate until that is not the case. 5197if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then 5198 error_exit "TSAN is not supported with other sanitiziers." 5199fi 5200have_tsan=no 5201have_tsan_iface_fiber=no 5202if test "$tsan" = "yes" ; then 5203 write_c_skeleton 5204 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then 5205 have_tsan=yes 5206 fi 5207 cat > $TMPC << EOF 5208#include <sanitizer/tsan_interface.h> 5209int main(void) { 5210 __tsan_create_fiber(0); 5211 return 0; 5212} 5213EOF 5214 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then 5215 have_tsan_iface_fiber=yes 5216 fi 5217fi 5218 5219########################################## 5220# check for libpmem 5221 5222if test "$libpmem" != "no"; then 5223 if $pkg_config --exists "libpmem"; then 5224 libpmem="yes" 5225 libpmem_libs=$($pkg_config --libs libpmem) 5226 libpmem_cflags=$($pkg_config --cflags libpmem) 5227 else 5228 if test "$libpmem" = "yes" ; then 5229 feature_not_found "libpmem" "Install nvml or pmdk" 5230 fi 5231 libpmem="no" 5232 fi 5233fi 5234 5235########################################## 5236# check for libdaxctl 5237 5238if test "$libdaxctl" != "no"; then 5239 if $pkg_config --atleast-version=57 "libdaxctl"; then 5240 libdaxctl="yes" 5241 libdaxctl_libs=$($pkg_config --libs libdaxctl) 5242 libdaxctl_cflags=$($pkg_config --cflags libdaxctl) 5243 else 5244 if test "$libdaxctl" = "yes" ; then 5245 feature_not_found "libdaxctl" "Install libdaxctl" 5246 fi 5247 libdaxctl="no" 5248 fi 5249fi 5250 5251########################################## 5252# check for slirp 5253 5254case "$slirp" in 5255 auto | enabled | internal) 5256 # Simpler to always update submodule, even if not needed. 5257 git_submodules="${git_submodules} slirp" 5258 ;; 5259esac 5260 5261# Check for slirp smbd dupport 5262: ${smbd=${SMBD-/usr/sbin/smbd}} 5263if test "$slirp_smbd" != "no" ; then 5264 if test "$mingw32" = "yes" ; then 5265 if test "$slirp_smbd" = "yes" ; then 5266 error_exit "Host smbd not supported on this platform." 5267 fi 5268 slirp_smbd=no 5269 else 5270 slirp_smbd=yes 5271 fi 5272fi 5273 5274########################################## 5275# check for usable __NR_keyctl syscall 5276 5277if test "$linux" = "yes" ; then 5278 5279 have_keyring=no 5280 cat > $TMPC << EOF 5281#include <errno.h> 5282#include <asm/unistd.h> 5283#include <linux/keyctl.h> 5284#include <unistd.h> 5285int main(void) { 5286 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0); 5287} 5288EOF 5289 if compile_prog "" "" ; then 5290 have_keyring=yes 5291 fi 5292fi 5293if test "$secret_keyring" != "no" 5294then 5295 if test "$have_keyring" = "yes" 5296 then 5297 secret_keyring=yes 5298 else 5299 if test "$secret_keyring" = "yes" 5300 then 5301 error_exit "syscall __NR_keyctl requested, \ 5302but not implemented on your system" 5303 else 5304 secret_keyring=no 5305 fi 5306 fi 5307fi 5308 5309########################################## 5310# End of CC checks 5311# After here, no more $cc or $ld runs 5312 5313write_c_skeleton 5314 5315if test "$gcov" = "yes" ; then 5316 : 5317elif test "$fortify_source" = "yes" ; then 5318 QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS" 5319 debug=no 5320fi 5321 5322case "$ARCH" in 5323alpha) 5324 # Ensure there's only a single GP 5325 QEMU_CFLAGS="-msmall-data $QEMU_CFLAGS" 5326;; 5327esac 5328 5329if test "$gprof" = "yes" ; then 5330 QEMU_CFLAGS="-p $QEMU_CFLAGS" 5331 QEMU_LDFLAGS="-p $QEMU_LDFLAGS" 5332fi 5333 5334if test "$have_asan" = "yes"; then 5335 QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS" 5336 QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS" 5337 if test "$have_asan_iface_h" = "no" ; then 5338 echo "ASAN build enabled, but ASAN header missing." \ 5339 "Without code annotation, the report may be inferior." 5340 elif test "$have_asan_iface_fiber" = "no" ; then 5341 echo "ASAN build enabled, but ASAN header is too old." \ 5342 "Without code annotation, the report may be inferior." 5343 fi 5344fi 5345if test "$have_tsan" = "yes" ; then 5346 if test "$have_tsan_iface_fiber" = "yes" ; then 5347 QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS" 5348 QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS" 5349 else 5350 error_exit "Cannot enable TSAN due to missing fiber annotation interface." 5351 fi 5352elif test "$tsan" = "yes" ; then 5353 error_exit "Cannot enable TSAN due to missing sanitize thread interface." 5354fi 5355if test "$have_ubsan" = "yes"; then 5356 QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS" 5357 QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS" 5358fi 5359 5360########################################## 5361 5362# Exclude --warn-common with TSan to suppress warnings from the TSan libraries. 5363if test "$solaris" = "no" && test "$tsan" = "no"; then 5364 if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then 5365 QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS" 5366 fi 5367fi 5368 5369# Use ASLR, no-SEH and DEP if available 5370if test "$mingw32" = "yes" ; then 5371 flags="--no-seh --nxcompat" 5372 5373 # Disable ASLR for debug builds to allow debugging with gdb 5374 if test "$debug" = "no" ; then 5375 flags="--dynamicbase $flags" 5376 fi 5377 5378 for flag in $flags; do 5379 if ld_has $flag ; then 5380 QEMU_LDFLAGS="-Wl,$flag $QEMU_LDFLAGS" 5381 fi 5382 done 5383fi 5384 5385# We can only support ivshmem if we have eventfd 5386if [ "$eventfd" = "yes" ]; then 5387 ivshmem=yes 5388fi 5389 5390# Probe for guest agent support/options 5391 5392if [ "$guest_agent" != "no" ]; then 5393 if [ "$softmmu" = no -a "$want_tools" = no ] ; then 5394 guest_agent=no 5395 elif [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then 5396 guest_agent=yes 5397 elif [ "$guest_agent" != yes ]; then 5398 guest_agent=no 5399 else 5400 error_exit "Guest agent is not supported on this platform" 5401 fi 5402fi 5403 5404# Guest agent Windows MSI package 5405 5406if test "$QEMU_GA_MANUFACTURER" = ""; then 5407 QEMU_GA_MANUFACTURER=QEMU 5408fi 5409if test "$QEMU_GA_DISTRO" = ""; then 5410 QEMU_GA_DISTRO=Linux 5411fi 5412if test "$QEMU_GA_VERSION" = ""; then 5413 QEMU_GA_VERSION=$(cat $source_path/VERSION) 5414fi 5415 5416QEMU_GA_MSI_MINGW_DLL_PATH="$($pkg_config --variable=prefix glib-2.0)/bin" 5417 5418# Mac OS X ships with a broken assembler 5419roms= 5420if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \ 5421 test "$targetos" != "Darwin" && test "$targetos" != "SunOS" && \ 5422 test "$targetos" != "Haiku" && test "$softmmu" = yes ; then 5423 # Different host OS linkers have different ideas about the name of the ELF 5424 # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd 5425 # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe. 5426 for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do 5427 if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then 5428 ld_i386_emulation="$emu" 5429 roms="optionrom" 5430 break 5431 fi 5432 done 5433fi 5434 5435# Only build s390-ccw bios if we're on s390x and the compiler has -march=z900 5436# or -march=z10 (which is the lowest architecture level that Clang supports) 5437if test "$cpu" = "s390x" ; then 5438 write_c_skeleton 5439 compile_prog "-march=z900" "" 5440 has_z900=$? 5441 if [ $has_z900 = 0 ] || compile_prog "-march=z10" ""; then 5442 if [ $has_z900 != 0 ]; then 5443 echo "WARNING: Your compiler does not support the z900!" 5444 echo " The s390-ccw bios will only work with guest CPUs >= z10." 5445 fi 5446 roms="$roms s390-ccw" 5447 # SLOF is required for building the s390-ccw firmware on s390x, 5448 # since it is using the libnet code from SLOF for network booting. 5449 git_submodules="${git_submodules} roms/SLOF" 5450 fi 5451fi 5452 5453# Check that the C++ compiler exists and works with the C compiler. 5454# All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added. 5455if has $cxx; then 5456 cat > $TMPC <<EOF 5457int c_function(void); 5458int main(void) { return c_function(); } 5459EOF 5460 5461 compile_object 5462 5463 cat > $TMPCXX <<EOF 5464extern "C" { 5465 int c_function(void); 5466} 5467int c_function(void) { return 42; } 5468EOF 5469 5470 update_cxxflags 5471 5472 if do_cxx $CXXFLAGS $CONFIGURE_CXXFLAGS $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then 5473 # C++ compiler $cxx works ok with C compiler $cc 5474 : 5475 else 5476 echo "C++ compiler $cxx does not work with C compiler $cc" 5477 echo "Disabling C++ specific optional code" 5478 cxx= 5479 fi 5480else 5481 echo "No C++ compiler available; disabling C++ specific optional code" 5482 cxx= 5483fi 5484 5485if !(GIT="$git" "$source_path/scripts/git-submodule.sh" "$git_submodules_action" "$git_submodules"); then 5486 exit 1 5487fi 5488 5489config_host_mak="config-host.mak" 5490 5491echo "# Automatically generated by configure - do not modify" > $config_host_mak 5492echo >> $config_host_mak 5493 5494echo all: >> $config_host_mak 5495echo "GIT=$git" >> $config_host_mak 5496echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak 5497echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_host_mak 5498 5499echo "ARCH=$ARCH" >> $config_host_mak 5500 5501if test "$debug_tcg" = "yes" ; then 5502 echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak 5503fi 5504if test "$strip_opt" = "yes" ; then 5505 echo "STRIP=${strip}" >> $config_host_mak 5506fi 5507if test "$bigendian" = "yes" ; then 5508 echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak 5509fi 5510if test "$mingw32" = "yes" ; then 5511 echo "CONFIG_WIN32=y" >> $config_host_mak 5512 if test "$guest_agent_with_vss" = "yes" ; then 5513 echo "CONFIG_QGA_VSS=y" >> $config_host_mak 5514 echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak 5515 echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak 5516 fi 5517 if test "$guest_agent_ntddscsi" = "yes" ; then 5518 echo "CONFIG_QGA_NTDDSCSI=y" >> $config_host_mak 5519 fi 5520 echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak 5521 echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak 5522 echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak 5523 echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak 5524else 5525 echo "CONFIG_POSIX=y" >> $config_host_mak 5526fi 5527 5528if test "$linux" = "yes" ; then 5529 echo "CONFIG_LINUX=y" >> $config_host_mak 5530fi 5531 5532if test "$darwin" = "yes" ; then 5533 echo "CONFIG_DARWIN=y" >> $config_host_mak 5534fi 5535 5536if test "$solaris" = "yes" ; then 5537 echo "CONFIG_SOLARIS=y" >> $config_host_mak 5538fi 5539if test "$haiku" = "yes" ; then 5540 echo "CONFIG_HAIKU=y" >> $config_host_mak 5541fi 5542if test "$static" = "yes" ; then 5543 echo "CONFIG_STATIC=y" >> $config_host_mak 5544fi 5545if test "$profiler" = "yes" ; then 5546 echo "CONFIG_PROFILER=y" >> $config_host_mak 5547fi 5548if test "$want_tools" = "yes" ; then 5549 echo "CONFIG_TOOLS=y" >> $config_host_mak 5550fi 5551if test "$guest_agent" = "yes" ; then 5552 echo "CONFIG_GUEST_AGENT=y" >> $config_host_mak 5553fi 5554if test "$slirp_smbd" = "yes" ; then 5555 echo "CONFIG_SLIRP_SMBD=y" >> $config_host_mak 5556 echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak 5557fi 5558if test "$vde" = "yes" ; then 5559 echo "CONFIG_VDE=y" >> $config_host_mak 5560 echo "VDE_LIBS=$vde_libs" >> $config_host_mak 5561fi 5562if test "$netmap" = "yes" ; then 5563 echo "CONFIG_NETMAP=y" >> $config_host_mak 5564fi 5565if test "$l2tpv3" = "yes" ; then 5566 echo "CONFIG_L2TPV3=y" >> $config_host_mak 5567fi 5568if test "$gprof" = "yes" ; then 5569 echo "CONFIG_GPROF=y" >> $config_host_mak 5570fi 5571echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak 5572for drv in $audio_drv_list; do 5573 def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]') 5574 echo "$def=y" >> $config_host_mak 5575done 5576if test "$alsa" = "yes" ; then 5577 echo "CONFIG_ALSA=y" >> $config_host_mak 5578fi 5579echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak 5580echo "ALSA_CFLAGS=$alsa_cflags" >> $config_host_mak 5581if test "$libpulse" = "yes" ; then 5582 echo "CONFIG_LIBPULSE=y" >> $config_host_mak 5583fi 5584echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak 5585echo "PULSE_CFLAGS=$pulse_cflags" >> $config_host_mak 5586echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak 5587echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak 5588echo "OSS_LIBS=$oss_libs" >> $config_host_mak 5589if test "$libjack" = "yes" ; then 5590 echo "CONFIG_LIBJACK=y" >> $config_host_mak 5591fi 5592echo "JACK_LIBS=$jack_libs" >> $config_host_mak 5593if test "$audio_win_int" = "yes" ; then 5594 echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak 5595fi 5596echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak 5597echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak 5598if test "$xfs" = "yes" ; then 5599 echo "CONFIG_XFS=y" >> $config_host_mak 5600fi 5601qemu_version=$(head $source_path/VERSION) 5602echo "PKGVERSION=$pkgversion" >>$config_host_mak 5603echo "SRC_PATH=$source_path" >> $config_host_mak 5604echo "TARGET_DIRS=$target_list" >> $config_host_mak 5605if test "$modules" = "yes"; then 5606 # $shacmd can generate a hash started with digit, which the compiler doesn't 5607 # like as an symbol. So prefix it with an underscore 5608 echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak 5609 echo "CONFIG_MODULES=y" >> $config_host_mak 5610fi 5611if test "$module_upgrades" = "yes"; then 5612 echo "CONFIG_MODULE_UPGRADES=y" >> $config_host_mak 5613fi 5614if test "$pipe2" = "yes" ; then 5615 echo "CONFIG_PIPE2=y" >> $config_host_mak 5616fi 5617if test "$accept4" = "yes" ; then 5618 echo "CONFIG_ACCEPT4=y" >> $config_host_mak 5619fi 5620if test "$splice" = "yes" ; then 5621 echo "CONFIG_SPLICE=y" >> $config_host_mak 5622fi 5623if test "$eventfd" = "yes" ; then 5624 echo "CONFIG_EVENTFD=y" >> $config_host_mak 5625fi 5626if test "$memfd" = "yes" ; then 5627 echo "CONFIG_MEMFD=y" >> $config_host_mak 5628fi 5629if test "$have_usbfs" = "yes" ; then 5630 echo "CONFIG_USBFS=y" >> $config_host_mak 5631fi 5632if test "$fallocate" = "yes" ; then 5633 echo "CONFIG_FALLOCATE=y" >> $config_host_mak 5634fi 5635if test "$fallocate_punch_hole" = "yes" ; then 5636 echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak 5637fi 5638if test "$fallocate_zero_range" = "yes" ; then 5639 echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak 5640fi 5641if test "$posix_fallocate" = "yes" ; then 5642 echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak 5643fi 5644if test "$sync_file_range" = "yes" ; then 5645 echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak 5646fi 5647if test "$fiemap" = "yes" ; then 5648 echo "CONFIG_FIEMAP=y" >> $config_host_mak 5649fi 5650if test "$dup3" = "yes" ; then 5651 echo "CONFIG_DUP3=y" >> $config_host_mak 5652fi 5653if test "$ppoll" = "yes" ; then 5654 echo "CONFIG_PPOLL=y" >> $config_host_mak 5655fi 5656if test "$prctl_pr_set_timerslack" = "yes" ; then 5657 echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak 5658fi 5659if test "$epoll" = "yes" ; then 5660 echo "CONFIG_EPOLL=y" >> $config_host_mak 5661fi 5662if test "$epoll_create1" = "yes" ; then 5663 echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak 5664fi 5665if test "$sendfile" = "yes" ; then 5666 echo "CONFIG_SENDFILE=y" >> $config_host_mak 5667fi 5668if test "$timerfd" = "yes" ; then 5669 echo "CONFIG_TIMERFD=y" >> $config_host_mak 5670fi 5671if test "$setns" = "yes" ; then 5672 echo "CONFIG_SETNS=y" >> $config_host_mak 5673fi 5674if test "$clock_adjtime" = "yes" ; then 5675 echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak 5676fi 5677if test "$syncfs" = "yes" ; then 5678 echo "CONFIG_SYNCFS=y" >> $config_host_mak 5679fi 5680if test "$inotify" = "yes" ; then 5681 echo "CONFIG_INOTIFY=y" >> $config_host_mak 5682fi 5683if test "$inotify1" = "yes" ; then 5684 echo "CONFIG_INOTIFY1=y" >> $config_host_mak 5685fi 5686if test "$sem_timedwait" = "yes" ; then 5687 echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak 5688fi 5689if test "$strchrnul" = "yes" ; then 5690 echo "HAVE_STRCHRNUL=y" >> $config_host_mak 5691fi 5692if test "$st_atim" = "yes" ; then 5693 echo "HAVE_STRUCT_STAT_ST_ATIM=y" >> $config_host_mak 5694fi 5695if test "$byteswap_h" = "yes" ; then 5696 echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak 5697fi 5698if test "$bswap_h" = "yes" ; then 5699 echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak 5700fi 5701if test "$gio" = "yes" ; then 5702 echo "CONFIG_GIO=y" >> $config_host_mak 5703 echo "GIO_CFLAGS=$gio_cflags" >> $config_host_mak 5704 echo "GIO_LIBS=$gio_libs" >> $config_host_mak 5705fi 5706if test "$gdbus_codegen" != "" ; then 5707 echo "GDBUS_CODEGEN=$gdbus_codegen" >> $config_host_mak 5708fi 5709echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak 5710if test "$gnutls" = "yes" ; then 5711 echo "CONFIG_GNUTLS=y" >> $config_host_mak 5712 echo "GNUTLS_CFLAGS=$gnutls_cflags" >> $config_host_mak 5713 echo "GNUTLS_LIBS=$gnutls_libs" >> $config_host_mak 5714fi 5715if test "$gcrypt" = "yes" ; then 5716 echo "CONFIG_GCRYPT=y" >> $config_host_mak 5717 echo "GCRYPT_CFLAGS=$gcrypt_cflags" >> $config_host_mak 5718 echo "GCRYPT_LIBS=$gcrypt_libs" >> $config_host_mak 5719fi 5720if test "$nettle" = "yes" ; then 5721 echo "CONFIG_NETTLE=y" >> $config_host_mak 5722 echo "NETTLE_CFLAGS=$nettle_cflags" >> $config_host_mak 5723 echo "NETTLE_LIBS=$nettle_libs" >> $config_host_mak 5724fi 5725if test "$qemu_private_xts" = "yes" ; then 5726 echo "CONFIG_QEMU_PRIVATE_XTS=y" >> $config_host_mak 5727fi 5728if test "$tasn1" = "yes" ; then 5729 echo "CONFIG_TASN1=y" >> $config_host_mak 5730fi 5731if test "$auth_pam" = "yes" ; then 5732 echo "CONFIG_AUTH_PAM=y" >> $config_host_mak 5733fi 5734if test "$have_broken_size_max" = "yes" ; then 5735 echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak 5736fi 5737if test "$have_openpty" = "yes" ; then 5738 echo "HAVE_OPENPTY=y" >> $config_host_mak 5739fi 5740 5741# Work around a system header bug with some kernel/XFS header 5742# versions where they both try to define 'struct fsxattr': 5743# xfs headers will not try to redefine structs from linux headers 5744# if this macro is set. 5745if test "$have_fsxattr" = "yes" ; then 5746 echo "HAVE_FSXATTR=y" >> $config_host_mak 5747fi 5748if test "$have_copy_file_range" = "yes" ; then 5749 echo "HAVE_COPY_FILE_RANGE=y" >> $config_host_mak 5750fi 5751if test "$vte" = "yes" ; then 5752 echo "CONFIG_VTE=y" >> $config_host_mak 5753 echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak 5754 echo "VTE_LIBS=$vte_libs" >> $config_host_mak 5755fi 5756if test "$virglrenderer" = "yes" ; then 5757 echo "CONFIG_VIRGL=y" >> $config_host_mak 5758 echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak 5759 echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak 5760fi 5761if test "$xen" = "enabled" ; then 5762 echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak 5763 echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak 5764 echo "XEN_CFLAGS=$xen_cflags" >> $config_host_mak 5765 echo "XEN_LIBS=$xen_libs" >> $config_host_mak 5766fi 5767if test "$linux_aio" = "yes" ; then 5768 echo "CONFIG_LINUX_AIO=y" >> $config_host_mak 5769fi 5770if test "$linux_io_uring" = "yes" ; then 5771 echo "CONFIG_LINUX_IO_URING=y" >> $config_host_mak 5772 echo "LINUX_IO_URING_CFLAGS=$linux_io_uring_cflags" >> $config_host_mak 5773 echo "LINUX_IO_URING_LIBS=$linux_io_uring_libs" >> $config_host_mak 5774fi 5775if test "$vhost_scsi" = "yes" ; then 5776 echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak 5777fi 5778if test "$vhost_net" = "yes" ; then 5779 echo "CONFIG_VHOST_NET=y" >> $config_host_mak 5780fi 5781if test "$vhost_net_user" = "yes" ; then 5782 echo "CONFIG_VHOST_NET_USER=y" >> $config_host_mak 5783fi 5784if test "$vhost_net_vdpa" = "yes" ; then 5785 echo "CONFIG_VHOST_NET_VDPA=y" >> $config_host_mak 5786fi 5787if test "$vhost_crypto" = "yes" ; then 5788 echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak 5789fi 5790if test "$vhost_vsock" = "yes" ; then 5791 echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak 5792 if test "$vhost_user" = "yes" ; then 5793 echo "CONFIG_VHOST_USER_VSOCK=y" >> $config_host_mak 5794 fi 5795fi 5796if test "$vhost_kernel" = "yes" ; then 5797 echo "CONFIG_VHOST_KERNEL=y" >> $config_host_mak 5798fi 5799if test "$vhost_user" = "yes" ; then 5800 echo "CONFIG_VHOST_USER=y" >> $config_host_mak 5801fi 5802if test "$vhost_vdpa" = "yes" ; then 5803 echo "CONFIG_VHOST_VDPA=y" >> $config_host_mak 5804fi 5805if test "$vhost_user_fs" = "yes" ; then 5806 echo "CONFIG_VHOST_USER_FS=y" >> $config_host_mak 5807fi 5808if test "$iovec" = "yes" ; then 5809 echo "CONFIG_IOVEC=y" >> $config_host_mak 5810fi 5811if test "$membarrier" = "yes" ; then 5812 echo "CONFIG_MEMBARRIER=y" >> $config_host_mak 5813fi 5814if test "$signalfd" = "yes" ; then 5815 echo "CONFIG_SIGNALFD=y" >> $config_host_mak 5816fi 5817if test "$optreset" = "yes" ; then 5818 echo "HAVE_OPTRESET=y" >> $config_host_mak 5819fi 5820if test "$fdatasync" = "yes" ; then 5821 echo "CONFIG_FDATASYNC=y" >> $config_host_mak 5822fi 5823if test "$madvise" = "yes" ; then 5824 echo "CONFIG_MADVISE=y" >> $config_host_mak 5825fi 5826if test "$posix_madvise" = "yes" ; then 5827 echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak 5828fi 5829if test "$posix_memalign" = "yes" ; then 5830 echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak 5831fi 5832 5833if test "$spice_protocol" = "yes" ; then 5834 echo "CONFIG_SPICE_PROTOCOL=y" >> $config_host_mak 5835 echo "SPICE_PROTOCOL_CFLAGS=$spice_protocol_cflags" >> $config_host_mak 5836fi 5837if test "$spice" = "yes" ; then 5838 echo "CONFIG_SPICE=y" >> $config_host_mak 5839 echo "SPICE_CFLAGS=$spice_cflags $spice_protocol_cflags" >> $config_host_mak 5840 echo "SPICE_LIBS=$spice_libs" >> $config_host_mak 5841fi 5842 5843if test "$smartcard" = "yes" ; then 5844 echo "CONFIG_SMARTCARD=y" >> $config_host_mak 5845 echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak 5846 echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak 5847fi 5848 5849if test "$libusb" = "yes" ; then 5850 echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak 5851 echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak 5852 echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak 5853fi 5854 5855if test "$usb_redir" = "yes" ; then 5856 echo "CONFIG_USB_REDIR=y" >> $config_host_mak 5857 echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak 5858 echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak 5859fi 5860 5861if test "$opengl" = "yes" ; then 5862 echo "CONFIG_OPENGL=y" >> $config_host_mak 5863 echo "OPENGL_CFLAGS=$opengl_cflags" >> $config_host_mak 5864 echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak 5865fi 5866 5867if test "$gbm" = "yes" ; then 5868 echo "CONFIG_GBM=y" >> $config_host_mak 5869 echo "GBM_LIBS=$gbm_libs" >> $config_host_mak 5870 echo "GBM_CFLAGS=$gbm_cflags" >> $config_host_mak 5871fi 5872 5873 5874if test "$avx2_opt" = "yes" ; then 5875 echo "CONFIG_AVX2_OPT=y" >> $config_host_mak 5876fi 5877 5878if test "$avx512f_opt" = "yes" ; then 5879 echo "CONFIG_AVX512F_OPT=y" >> $config_host_mak 5880fi 5881 5882# XXX: suppress that 5883if [ "$bsd" = "yes" ] ; then 5884 echo "CONFIG_BSD=y" >> $config_host_mak 5885fi 5886 5887if test "$qom_cast_debug" = "yes" ; then 5888 echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak 5889fi 5890 5891echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak 5892if test "$coroutine_pool" = "yes" ; then 5893 echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak 5894else 5895 echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak 5896fi 5897 5898if test "$debug_stack_usage" = "yes" ; then 5899 echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak 5900fi 5901 5902if test "$crypto_afalg" = "yes" ; then 5903 echo "CONFIG_AF_ALG=y" >> $config_host_mak 5904fi 5905 5906if test "$open_by_handle_at" = "yes" ; then 5907 echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak 5908fi 5909 5910if test "$linux_magic_h" = "yes" ; then 5911 echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak 5912fi 5913 5914if test "$valgrind_h" = "yes" ; then 5915 echo "CONFIG_VALGRIND_H=y" >> $config_host_mak 5916fi 5917 5918if test "$have_asan_iface_fiber" = "yes" ; then 5919 echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak 5920fi 5921 5922if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then 5923 echo "CONFIG_TSAN=y" >> $config_host_mak 5924fi 5925 5926if test "$has_environ" = "yes" ; then 5927 echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak 5928fi 5929 5930if test "$cpuid_h" = "yes" ; then 5931 echo "CONFIG_CPUID_H=y" >> $config_host_mak 5932fi 5933 5934if test "$int128" = "yes" ; then 5935 echo "CONFIG_INT128=y" >> $config_host_mak 5936fi 5937 5938if test "$atomic128" = "yes" ; then 5939 echo "CONFIG_ATOMIC128=y" >> $config_host_mak 5940fi 5941 5942if test "$cmpxchg128" = "yes" ; then 5943 echo "CONFIG_CMPXCHG128=y" >> $config_host_mak 5944fi 5945 5946if test "$atomic64" = "yes" ; then 5947 echo "CONFIG_ATOMIC64=y" >> $config_host_mak 5948fi 5949 5950if test "$getauxval" = "yes" ; then 5951 echo "CONFIG_GETAUXVAL=y" >> $config_host_mak 5952fi 5953 5954if test "$libssh" = "yes" ; then 5955 echo "CONFIG_LIBSSH=y" >> $config_host_mak 5956 echo "LIBSSH_CFLAGS=$libssh_cflags" >> $config_host_mak 5957 echo "LIBSSH_LIBS=$libssh_libs" >> $config_host_mak 5958fi 5959 5960if test "$live_block_migration" = "yes" ; then 5961 echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak 5962fi 5963 5964if test "$tpm" = "yes"; then 5965 echo 'CONFIG_TPM=y' >> $config_host_mak 5966fi 5967 5968echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak 5969if have_backend "nop"; then 5970 echo "CONFIG_TRACE_NOP=y" >> $config_host_mak 5971fi 5972if have_backend "simple"; then 5973 echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak 5974 # Set the appropriate trace file. 5975 trace_file="\"$trace_file-\" FMT_pid" 5976fi 5977if have_backend "log"; then 5978 echo "CONFIG_TRACE_LOG=y" >> $config_host_mak 5979fi 5980if have_backend "ust"; then 5981 echo "CONFIG_TRACE_UST=y" >> $config_host_mak 5982 echo "LTTNG_UST_LIBS=$lttng_ust_libs" >> $config_host_mak 5983 echo "URCU_BP_LIBS=$urcu_bp_libs" >> $config_host_mak 5984fi 5985if have_backend "dtrace"; then 5986 echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak 5987 if test "$trace_backend_stap" = "yes" ; then 5988 echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak 5989 fi 5990fi 5991if have_backend "ftrace"; then 5992 if test "$linux" = "yes" ; then 5993 echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak 5994 else 5995 feature_not_found "ftrace(trace backend)" "ftrace requires Linux" 5996 fi 5997fi 5998if have_backend "syslog"; then 5999 if test "$posix_syslog" = "yes" ; then 6000 echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak 6001 else 6002 feature_not_found "syslog(trace backend)" "syslog not available" 6003 fi 6004fi 6005echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak 6006 6007if test "$rdma" = "yes" ; then 6008 echo "CONFIG_RDMA=y" >> $config_host_mak 6009 echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak 6010fi 6011 6012if test "$pvrdma" = "yes" ; then 6013 echo "CONFIG_PVRDMA=y" >> $config_host_mak 6014fi 6015 6016if test "$have_rtnetlink" = "yes" ; then 6017 echo "CONFIG_RTNETLINK=y" >> $config_host_mak 6018fi 6019 6020if test "$libxml2" = "yes" ; then 6021 echo "CONFIG_LIBXML2=y" >> $config_host_mak 6022 echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak 6023 echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak 6024fi 6025 6026if test "$replication" = "yes" ; then 6027 echo "CONFIG_REPLICATION=y" >> $config_host_mak 6028fi 6029 6030if test "$have_af_vsock" = "yes" ; then 6031 echo "CONFIG_AF_VSOCK=y" >> $config_host_mak 6032fi 6033 6034if test "$have_sysmacros" = "yes" ; then 6035 echo "CONFIG_SYSMACROS=y" >> $config_host_mak 6036fi 6037 6038if test "$have_static_assert" = "yes" ; then 6039 echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak 6040fi 6041 6042if test "$have_utmpx" = "yes" ; then 6043 echo "HAVE_UTMPX=y" >> $config_host_mak 6044fi 6045if test "$have_getrandom" = "yes" ; then 6046 echo "CONFIG_GETRANDOM=y" >> $config_host_mak 6047fi 6048if test "$ivshmem" = "yes" ; then 6049 echo "CONFIG_IVSHMEM=y" >> $config_host_mak 6050fi 6051if test "$debug_mutex" = "yes" ; then 6052 echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak 6053fi 6054 6055# Hold two types of flag: 6056# CONFIG_THREAD_SETNAME_BYTHREAD - we've got a way of setting the name on 6057# a thread we have a handle to 6058# CONFIG_PTHREAD_SETNAME_NP_W_TID - A way of doing it on a particular 6059# platform 6060if test "$pthread_setname_np_w_tid" = "yes" ; then 6061 echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak 6062 echo "CONFIG_PTHREAD_SETNAME_NP_W_TID=y" >> $config_host_mak 6063elif test "$pthread_setname_np_wo_tid" = "yes" ; then 6064 echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak 6065 echo "CONFIG_PTHREAD_SETNAME_NP_WO_TID=y" >> $config_host_mak 6066fi 6067 6068if test "$libpmem" = "yes" ; then 6069 echo "CONFIG_LIBPMEM=y" >> $config_host_mak 6070 echo "LIBPMEM_LIBS=$libpmem_libs" >> $config_host_mak 6071 echo "LIBPMEM_CFLAGS=$libpmem_cflags" >> $config_host_mak 6072fi 6073 6074if test "$libdaxctl" = "yes" ; then 6075 echo "CONFIG_LIBDAXCTL=y" >> $config_host_mak 6076 echo "LIBDAXCTL_LIBS=$libdaxctl_libs" >> $config_host_mak 6077fi 6078 6079if test "$bochs" = "yes" ; then 6080 echo "CONFIG_BOCHS=y" >> $config_host_mak 6081fi 6082if test "$cloop" = "yes" ; then 6083 echo "CONFIG_CLOOP=y" >> $config_host_mak 6084fi 6085if test "$dmg" = "yes" ; then 6086 echo "CONFIG_DMG=y" >> $config_host_mak 6087fi 6088if test "$qcow1" = "yes" ; then 6089 echo "CONFIG_QCOW1=y" >> $config_host_mak 6090fi 6091if test "$vdi" = "yes" ; then 6092 echo "CONFIG_VDI=y" >> $config_host_mak 6093fi 6094if test "$vvfat" = "yes" ; then 6095 echo "CONFIG_VVFAT=y" >> $config_host_mak 6096fi 6097if test "$qed" = "yes" ; then 6098 echo "CONFIG_QED=y" >> $config_host_mak 6099fi 6100if test "$parallels" = "yes" ; then 6101 echo "CONFIG_PARALLELS=y" >> $config_host_mak 6102fi 6103if test "$have_mlockall" = "yes" ; then 6104 echo "HAVE_MLOCKALL=y" >> $config_host_mak 6105fi 6106if test "$fuzzing" = "yes" ; then 6107 # If LIB_FUZZING_ENGINE is set, assume we are running on OSS-Fuzz, and the 6108 # needed CFLAGS have already been provided 6109 if test -z "${LIB_FUZZING_ENGINE+xxx}" ; then 6110 # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the 6111 # compiled code. 6112 QEMU_CFLAGS="$QEMU_CFLAGS -fsanitize=fuzzer-no-link" 6113 # To build non-fuzzer binaries with --enable-fuzzing, link everything with 6114 # fsanitize=fuzzer-no-link. Otherwise, the linker will be unable to bind 6115 # the fuzzer-related callbacks added by instrumentation. 6116 QEMU_LDFLAGS="$QEMU_LDFLAGS -fsanitize=fuzzer-no-link" 6117 # For the actual fuzzer binaries, we need to link against the libfuzzer 6118 # library. Provide the flags for doing this in FUZZ_EXE_LDFLAGS. The meson 6119 # rule for the fuzzer adds these to the link_args. They need to be 6120 # configurable, to support OSS-Fuzz 6121 FUZZ_EXE_LDFLAGS="-fsanitize=fuzzer" 6122 else 6123 FUZZ_EXE_LDFLAGS="$LIB_FUZZING_ENGINE" 6124 fi 6125fi 6126 6127if test "$plugins" = "yes" ; then 6128 echo "CONFIG_PLUGIN=y" >> $config_host_mak 6129 # Copy the export object list to the build dir 6130 if test "$ld_dynamic_list" = "yes" ; then 6131 echo "CONFIG_HAS_LD_DYNAMIC_LIST=yes" >> $config_host_mak 6132 ld_symbols=qemu-plugins-ld.symbols 6133 cp "$source_path/plugins/qemu-plugins.symbols" $ld_symbols 6134 elif test "$ld_exported_symbols_list" = "yes" ; then 6135 echo "CONFIG_HAS_LD_EXPORTED_SYMBOLS_LIST=yes" >> $config_host_mak 6136 ld64_symbols=qemu-plugins-ld64.symbols 6137 echo "# Automatically generated by configure - do not modify" > $ld64_symbols 6138 grep 'qemu_' "$source_path/plugins/qemu-plugins.symbols" | sed 's/;//g' | \ 6139 sed -E 's/^[[:space:]]*(.*)/_\1/' >> $ld64_symbols 6140 else 6141 error_exit \ 6142 "If \$plugins=yes, either \$ld_dynamic_list or " \ 6143 "\$ld_exported_symbols_list should have been set to 'yes'." 6144 fi 6145fi 6146 6147if test -n "$gdb_bin"; then 6148 gdb_version=$($gdb_bin --version | head -n 1) 6149 if version_ge ${gdb_version##* } 9.1; then 6150 echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak 6151 fi 6152fi 6153 6154if test "$secret_keyring" = "yes" ; then 6155 echo "CONFIG_SECRET_KEYRING=y" >> $config_host_mak 6156fi 6157 6158echo "ROMS=$roms" >> $config_host_mak 6159echo "MAKE=$make" >> $config_host_mak 6160echo "PYTHON=$python" >> $config_host_mak 6161echo "GENISOIMAGE=$genisoimage" >> $config_host_mak 6162echo "MESON=$meson" >> $config_host_mak 6163echo "NINJA=$ninja" >> $config_host_mak 6164echo "CC=$cc" >> $config_host_mak 6165echo "HOST_CC=$host_cc" >> $config_host_mak 6166if $iasl -h > /dev/null 2>&1; then 6167 echo "CONFIG_IASL=$iasl" >> $config_host_mak 6168fi 6169echo "CXX=$cxx" >> $config_host_mak 6170echo "OBJCC=$objcc" >> $config_host_mak 6171echo "AR=$ar" >> $config_host_mak 6172echo "ARFLAGS=$ARFLAGS" >> $config_host_mak 6173echo "AS=$as" >> $config_host_mak 6174echo "CCAS=$ccas" >> $config_host_mak 6175echo "CPP=$cpp" >> $config_host_mak 6176echo "OBJCOPY=$objcopy" >> $config_host_mak 6177echo "LD=$ld" >> $config_host_mak 6178echo "RANLIB=$ranlib" >> $config_host_mak 6179echo "NM=$nm" >> $config_host_mak 6180echo "PKG_CONFIG=$pkg_config_exe" >> $config_host_mak 6181echo "WINDRES=$windres" >> $config_host_mak 6182echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak 6183echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak 6184echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak 6185echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak 6186echo "GLIB_LIBS=$glib_libs" >> $config_host_mak 6187echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak 6188echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak 6189echo "EXESUF=$EXESUF" >> $config_host_mak 6190echo "HOST_DSOSUF=$HOST_DSOSUF" >> $config_host_mak 6191echo "LIBS_QGA=$libs_qga" >> $config_host_mak 6192echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak 6193echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak 6194if test "$gcov" = "yes" ; then 6195 echo "CONFIG_GCOV=y" >> $config_host_mak 6196fi 6197 6198if test "$fuzzing" != "no"; then 6199 echo "CONFIG_FUZZ=y" >> $config_host_mak 6200fi 6201echo "FUZZ_EXE_LDFLAGS=$FUZZ_EXE_LDFLAGS" >> $config_host_mak 6202 6203if test "$rng_none" = "yes"; then 6204 echo "CONFIG_RNG_NONE=y" >> $config_host_mak 6205fi 6206 6207# use included Linux headers 6208if test "$linux" = "yes" ; then 6209 mkdir -p linux-headers 6210 case "$cpu" in 6211 i386|x86_64|x32) 6212 linux_arch=x86 6213 ;; 6214 ppc|ppc64|ppc64le) 6215 linux_arch=powerpc 6216 ;; 6217 s390x) 6218 linux_arch=s390 6219 ;; 6220 aarch64) 6221 linux_arch=arm64 6222 ;; 6223 mips64) 6224 linux_arch=mips 6225 ;; 6226 *) 6227 # For most CPUs the kernel architecture name and QEMU CPU name match. 6228 linux_arch="$cpu" 6229 ;; 6230 esac 6231 # For non-KVM architectures we will not have asm headers 6232 if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then 6233 symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm 6234 fi 6235fi 6236 6237for target in $target_list; do 6238 target_dir="$target" 6239 target_name=$(echo $target | cut -d '-' -f 1) 6240 mkdir -p $target_dir 6241 case $target in 6242 *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;; 6243 *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;; 6244 esac 6245done 6246 6247echo "CONFIG_QEMU_INTERP_PREFIX=$interp_prefix" | sed 's/%M/@0@/' >> $config_host_mak 6248if test "$default_targets" = "yes"; then 6249 echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak 6250fi 6251 6252if test "$numa" = "yes"; then 6253 echo "CONFIG_NUMA=y" >> $config_host_mak 6254 echo "NUMA_LIBS=$numa_libs" >> $config_host_mak 6255fi 6256 6257if test "$ccache_cpp2" = "yes"; then 6258 echo "export CCACHE_CPP2=y" >> $config_host_mak 6259fi 6260 6261if test "$safe_stack" = "yes"; then 6262 echo "CONFIG_SAFESTACK=y" >> $config_host_mak 6263fi 6264 6265# If we're using a separate build tree, set it up now. 6266# DIRS are directories which we simply mkdir in the build tree; 6267# LINKS are things to symlink back into the source tree 6268# (these can be both files and directories). 6269# Caution: do not add files or directories here using wildcards. This 6270# will result in problems later if a new file matching the wildcard is 6271# added to the source tree -- nothing will cause configure to be rerun 6272# so the build tree will be missing the link back to the new file, and 6273# tests might fail. Prefer to keep the relevant files in their own 6274# directory and symlink the directory instead. 6275# UNLINK is used to remove symlinks from older development versions 6276# that might get into the way when doing "git update" without doing 6277# a "make distclean" in between. 6278DIRS="tests tests/tcg tests/qapi-schema tests/qtest/libqos" 6279DIRS="$DIRS tests/qtest tests/qemu-iotests tests/vm tests/fp tests/qgraph" 6280DIRS="$DIRS docs docs/interop fsdev scsi" 6281DIRS="$DIRS pc-bios/optionrom pc-bios/s390-ccw" 6282DIRS="$DIRS roms/seabios" 6283DIRS="$DIRS contrib/plugins/" 6284LINKS="Makefile" 6285LINKS="$LINKS tests/tcg/Makefile.target" 6286LINKS="$LINKS pc-bios/optionrom/Makefile" 6287LINKS="$LINKS pc-bios/s390-ccw/Makefile" 6288LINKS="$LINKS roms/seabios/Makefile" 6289LINKS="$LINKS pc-bios/qemu-icon.bmp" 6290LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit 6291LINKS="$LINKS tests/acceptance tests/data" 6292LINKS="$LINKS tests/qemu-iotests/check" 6293LINKS="$LINKS python" 6294LINKS="$LINKS contrib/plugins/Makefile " 6295UNLINK="pc-bios/keymaps" 6296for bios_file in \ 6297 $source_path/pc-bios/*.bin \ 6298 $source_path/pc-bios/*.elf \ 6299 $source_path/pc-bios/*.lid \ 6300 $source_path/pc-bios/*.rom \ 6301 $source_path/pc-bios/*.dtb \ 6302 $source_path/pc-bios/*.img \ 6303 $source_path/pc-bios/openbios-* \ 6304 $source_path/pc-bios/u-boot.* \ 6305 $source_path/pc-bios/edk2-*.fd.bz2 \ 6306 $source_path/pc-bios/palcode-* 6307do 6308 LINKS="$LINKS pc-bios/$(basename $bios_file)" 6309done 6310mkdir -p $DIRS 6311for f in $LINKS ; do 6312 if [ -e "$source_path/$f" ]; then 6313 symlink "$source_path/$f" "$f" 6314 fi 6315done 6316for f in $UNLINK ; do 6317 if [ -L "$f" ]; then 6318 rm -f "$f" 6319 fi 6320done 6321 6322(for i in $cross_cc_vars; do 6323 export $i 6324done 6325export target_list source_path use_containers ARCH 6326$source_path/tests/tcg/configure.sh) 6327 6328# temporary config to build submodules 6329for rom in seabios; do 6330 config_mak=roms/$rom/config.mak 6331 echo "# Automatically generated by configure - do not modify" > $config_mak 6332 echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak 6333 echo "AS=$as" >> $config_mak 6334 echo "CCAS=$ccas" >> $config_mak 6335 echo "CC=$cc" >> $config_mak 6336 echo "BCC=bcc" >> $config_mak 6337 echo "CPP=$cpp" >> $config_mak 6338 echo "OBJCOPY=objcopy" >> $config_mak 6339 echo "IASL=$iasl" >> $config_mak 6340 echo "LD=$ld" >> $config_mak 6341 echo "RANLIB=$ranlib" >> $config_mak 6342done 6343 6344if test "$skip_meson" = no; then 6345 cross="config-meson.cross.new" 6346 meson_quote() { 6347 echo "'$(echo $* | sed "s/ /','/g")'" 6348 } 6349 6350 echo "# Automatically generated by configure - do not modify" > $cross 6351 echo "[properties]" >> $cross 6352 test -z "$cxx" && echo "link_language = 'c'" >> $cross 6353 echo "[built-in options]" >> $cross 6354 echo "c_args = [${CFLAGS:+$(meson_quote $CFLAGS)}]" >> $cross 6355 echo "cpp_args = [${CXXFLAGS:+$(meson_quote $CXXFLAGS)}]" >> $cross 6356 echo "c_link_args = [${LDFLAGS:+$(meson_quote $LDFLAGS)}]" >> $cross 6357 echo "cpp_link_args = [${LDFLAGS:+$(meson_quote $LDFLAGS)}]" >> $cross 6358 echo "[binaries]" >> $cross 6359 echo "c = [$(meson_quote $cc)]" >> $cross 6360 test -n "$cxx" && echo "cpp = [$(meson_quote $cxx)]" >> $cross 6361 test -n "$objcc" && echo "objc = [$(meson_quote $objcc)]" >> $cross 6362 echo "ar = [$(meson_quote $ar)]" >> $cross 6363 echo "nm = [$(meson_quote $nm)]" >> $cross 6364 echo "pkgconfig = [$(meson_quote $pkg_config_exe)]" >> $cross 6365 echo "ranlib = [$(meson_quote $ranlib)]" >> $cross 6366 if has $sdl2_config; then 6367 echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross 6368 fi 6369 echo "strip = [$(meson_quote $strip)]" >> $cross 6370 echo "windres = [$(meson_quote $windres)]" >> $cross 6371 if test "$cross_compile" = "yes"; then 6372 cross_arg="--cross-file config-meson.cross" 6373 echo "[host_machine]" >> $cross 6374 if test "$mingw32" = "yes" ; then 6375 echo "system = 'windows'" >> $cross 6376 fi 6377 if test "$linux" = "yes" ; then 6378 echo "system = 'linux'" >> $cross 6379 fi 6380 if test "$darwin" = "yes" ; then 6381 echo "system = 'darwin'" >> $cross 6382 fi 6383 case "$ARCH" in 6384 i386) 6385 echo "cpu_family = 'x86'" >> $cross 6386 ;; 6387 x86_64) 6388 echo "cpu_family = 'x86_64'" >> $cross 6389 ;; 6390 ppc64le) 6391 echo "cpu_family = 'ppc64'" >> $cross 6392 ;; 6393 *) 6394 echo "cpu_family = '$ARCH'" >> $cross 6395 ;; 6396 esac 6397 echo "cpu = '$cpu'" >> $cross 6398 if test "$bigendian" = "yes" ; then 6399 echo "endian = 'big'" >> $cross 6400 else 6401 echo "endian = 'little'" >> $cross 6402 fi 6403 else 6404 cross_arg="--native-file config-meson.cross" 6405 fi 6406 mv $cross config-meson.cross 6407 6408 rm -rf meson-private meson-info meson-logs 6409 unset staticpic 6410 if ! version_ge "$($meson --version)" 0.56.0; then 6411 staticpic=$(if test "$pie" = yes; then echo true; else echo false; fi) 6412 fi 6413 NINJA=$ninja $meson setup \ 6414 --prefix "$prefix" \ 6415 --libdir "$libdir" \ 6416 --libexecdir "$libexecdir" \ 6417 --bindir "$bindir" \ 6418 --includedir "$includedir" \ 6419 --datadir "$datadir" \ 6420 --mandir "$mandir" \ 6421 --sysconfdir "$sysconfdir" \ 6422 --localedir "$localedir" \ 6423 --localstatedir "$local_statedir" \ 6424 -Ddocdir="$docdir" \ 6425 -Dqemu_firmwarepath="$firmwarepath" \ 6426 -Dqemu_suffix="$qemu_suffix" \ 6427 -Doptimization=$(if test "$debug" = yes; then echo 0; else echo 2; fi) \ 6428 -Ddebug=$(if test "$debug_info" = yes; then echo true; else echo false; fi) \ 6429 -Dwerror=$(if test "$werror" = yes; then echo true; else echo false; fi) \ 6430 -Dstrip=$(if test "$strip_opt" = yes; then echo true; else echo false; fi) \ 6431 -Db_pie=$(if test "$pie" = yes; then echo true; else echo false; fi) \ 6432 ${staticpic:+-Db_staticpic=$staticpic} \ 6433 -Db_coverage=$(if test "$gcov" = yes; then echo true; else echo false; fi) \ 6434 -Db_lto=$lto -Dcfi=$cfi -Dcfi_debug=$cfi_debug \ 6435 -Dmalloc=$malloc -Dmalloc_trim=$malloc_trim -Dsparse=$sparse \ 6436 -Dkvm=$kvm -Dhax=$hax -Dwhpx=$whpx -Dhvf=$hvf -Dnvmm=$nvmm \ 6437 -Dxen=$xen -Dxen_pci_passthrough=$xen_pci_passthrough -Dtcg=$tcg \ 6438 -Dcocoa=$cocoa -Dgtk=$gtk -Dmpath=$mpath -Dsdl=$sdl -Dsdl_image=$sdl_image \ 6439 -Dvnc=$vnc -Dvnc_sasl=$vnc_sasl -Dvnc_jpeg=$vnc_jpeg -Dvnc_png=$vnc_png \ 6440 -Dgettext=$gettext -Dxkbcommon=$xkbcommon -Du2f=$u2f -Dvirtiofsd=$virtiofsd \ 6441 -Dcapstone=$capstone -Dslirp=$slirp -Dfdt=$fdt -Dbrlapi=$brlapi \ 6442 -Dcurl=$curl -Dglusterfs=$glusterfs -Dbzip2=$bzip2 -Dlibiscsi=$libiscsi \ 6443 -Dlibnfs=$libnfs -Diconv=$iconv -Dcurses=$curses -Dlibudev=$libudev\ 6444 -Drbd=$rbd -Dlzo=$lzo -Dsnappy=$snappy -Dlzfse=$lzfse \ 6445 -Dzstd=$zstd -Dseccomp=$seccomp -Dvirtfs=$virtfs -Dcap_ng=$cap_ng \ 6446 -Dattr=$attr -Ddefault_devices=$default_devices \ 6447 -Ddocs=$docs -Dsphinx_build=$sphinx_build -Dinstall_blobs=$blobs \ 6448 -Dvhost_user_blk_server=$vhost_user_blk_server -Dmultiprocess=$multiprocess \ 6449 -Dfuse=$fuse -Dfuse_lseek=$fuse_lseek -Dguest_agent_msi=$guest_agent_msi -Dbpf=$bpf\ 6450 $(if test "$default_features" = no; then echo "-Dauto_features=disabled"; fi) \ 6451 -Dtcg_interpreter=$tcg_interpreter \ 6452 $cross_arg \ 6453 "$PWD" "$source_path" 6454 6455 if test "$?" -ne 0 ; then 6456 error_exit "meson setup failed" 6457 fi 6458else 6459 if test -f meson-private/cmd_line.txt; then 6460 # Adjust old command line options whose type was changed 6461 # Avoids having to use "setup --wipe" when Meson is upgraded 6462 perl -i -ne ' 6463 s/^gettext = true$/gettext = auto/; 6464 s/^gettext = false$/gettext = disabled/; 6465 print;' meson-private/cmd_line.txt 6466 fi 6467fi 6468 6469if test -n "${deprecated_features}"; then 6470 echo "Warning, deprecated features enabled." 6471 echo "Please see docs/system/deprecated.rst" 6472 echo " features: ${deprecated_features}" 6473fi 6474 6475# Create list of config switches that should be poisoned in common code... 6476# but filter out CONFIG_TCG and CONFIG_USER_ONLY which are special. 6477target_configs_h=$(ls *-config-devices.h *-config-target.h 2>/dev/null) 6478if test -n "$target_configs_h" ; then 6479 sed -n -e '/CONFIG_TCG/d' -e '/CONFIG_USER_ONLY/d' \ 6480 -e '/^#define / { s///; s/ .*//; s/^/#pragma GCC poison /p; }' \ 6481 $target_configs_h | sort -u > config-poison.h 6482else 6483 :> config-poison.h 6484fi 6485 6486# Save the configure command line for later reuse. 6487cat <<EOD >config.status 6488#!/bin/sh 6489# Generated by configure. 6490# Run this file to recreate the current configuration. 6491# Compiler output produced by configure, useful for debugging 6492# configure, is in config.log if it exists. 6493EOD 6494 6495preserve_env() { 6496 envname=$1 6497 6498 eval envval=\$$envname 6499 6500 if test -n "$envval" 6501 then 6502 echo "$envname='$envval'" >> config.status 6503 echo "export $envname" >> config.status 6504 else 6505 echo "unset $envname" >> config.status 6506 fi 6507} 6508 6509# Preserve various env variables that influence what 6510# features/build target configure will detect 6511preserve_env AR 6512preserve_env AS 6513preserve_env CC 6514preserve_env CPP 6515preserve_env CXX 6516preserve_env INSTALL 6517preserve_env LD 6518preserve_env LD_LIBRARY_PATH 6519preserve_env LIBTOOL 6520preserve_env MAKE 6521preserve_env NM 6522preserve_env OBJCOPY 6523preserve_env PATH 6524preserve_env PKG_CONFIG 6525preserve_env PKG_CONFIG_LIBDIR 6526preserve_env PKG_CONFIG_PATH 6527preserve_env PYTHON 6528preserve_env SDL2_CONFIG 6529preserve_env SMBD 6530preserve_env STRIP 6531preserve_env WINDRES 6532 6533printf "exec" >>config.status 6534for i in "$0" "$@"; do 6535 test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status 6536done 6537echo ' "$@"' >>config.status 6538chmod +x config.status 6539 6540rm -r "$TMPDIR1" 6541
