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=gnu11/-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="$default_feature" 318linux_io_uring="auto" 319cap_ng="auto" 320attr="auto" 321xfs="$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="auto" 376u2f="auto" 377libusb="auto" 378usb_redir="auto" 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="auto" 408nettle="auto" 409gcrypt="auto" 410auth_pam="auto" 411vte="auto" 412virglrenderer="auto" 413tpm="$default_feature" 414libssh="$default_feature" 415live_block_migration=${default_feature:-yes} 416numa="$default_feature" 417tcmalloc="no" 418jemalloc="no" 419replication=${default_feature:-yes} 420bochs=${default_feature:-yes} 421cloop=${default_feature:-yes} 422dmg=${default_feature:-yes} 423qcow1=${default_feature:-yes} 424vdi=${default_feature:-yes} 425vvfat=${default_feature:-yes} 426qed=${default_feature:-yes} 427parallels=${default_feature:-yes} 428libxml2="auto" 429debug_mutex="no" 430libpmem="auto" 431default_devices="true" 432plugins="no" 433fuzzing="no" 434rng_none="no" 435secret_keyring="$default_feature" 436libdaxctl="auto" 437meson="" 438ninja="" 439skip_meson=no 440gettext="auto" 441fuse="auto" 442fuse_lseek="auto" 443multiprocess="auto" 444slirp_smbd="$default_feature" 445 446malloc_trim="auto" 447gio="$default_feature" 448 449# parse CC options second 450for opt do 451 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 452 case "$opt" in 453 --cross-prefix=*) cross_prefix="$optarg" 454 cross_compile="yes" 455 ;; 456 --cc=*) CC="$optarg" 457 ;; 458 --cxx=*) CXX="$optarg" 459 ;; 460 --cpu=*) cpu="$optarg" 461 ;; 462 --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg" 463 QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg" 464 ;; 465 --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg" 466 ;; 467 --extra-ldflags=*) QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg" 468 EXTRA_LDFLAGS="$optarg" 469 ;; 470 --enable-debug-info) debug_info="yes" 471 ;; 472 --disable-debug-info) debug_info="no" 473 ;; 474 --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option" 475 ;; 476 --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-flags-}; cc_arch=${cc_arch%%=*} 477 eval "cross_cc_cflags_${cc_arch}=\$optarg" 478 cross_cc_vars="$cross_cc_vars cross_cc_cflags_${cc_arch}" 479 ;; 480 --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*} 481 cc_archs="$cc_archs $cc_arch" 482 eval "cross_cc_${cc_arch}=\$optarg" 483 cross_cc_vars="$cross_cc_vars cross_cc_${cc_arch}" 484 ;; 485 esac 486done 487# OS specific 488# Using uname is really, really broken. Once we have the right set of checks 489# we can eliminate its usage altogether. 490 491# Preferred compiler: 492# ${CC} (if set) 493# ${cross_prefix}gcc (if cross-prefix specified) 494# system compiler 495if test -z "${CC}${cross_prefix}"; then 496 cc="$host_cc" 497else 498 cc="${CC-${cross_prefix}gcc}" 499fi 500 501if test -z "${CXX}${cross_prefix}"; then 502 cxx="c++" 503else 504 cxx="${CXX-${cross_prefix}g++}" 505fi 506 507ar="${AR-${cross_prefix}ar}" 508as="${AS-${cross_prefix}as}" 509ccas="${CCAS-$cc}" 510cpp="${CPP-$cc -E}" 511objcopy="${OBJCOPY-${cross_prefix}objcopy}" 512ld="${LD-${cross_prefix}ld}" 513ranlib="${RANLIB-${cross_prefix}ranlib}" 514nm="${NM-${cross_prefix}nm}" 515strip="${STRIP-${cross_prefix}strip}" 516windres="${WINDRES-${cross_prefix}windres}" 517pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}" 518query_pkg_config() { 519 "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@" 520} 521pkg_config=query_pkg_config 522sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}" 523 524# default flags for all hosts 525# We use -fwrapv to tell the compiler that we require a C dialect where 526# left shift of signed integers is well defined and has the expected 527# 2s-complement style results. (Both clang and gcc agree that it 528# provides these semantics.) 529QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv $QEMU_CFLAGS" 530QEMU_CFLAGS="-Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS" 531QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS" 532QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS" 533 534# Flags that are needed during configure but later taken care of by Meson 535CONFIGURE_CFLAGS="-std=gnu11 -Wall" 536CONFIGURE_LDFLAGS= 537 538 539check_define() { 540cat > $TMPC <<EOF 541#if !defined($1) 542#error $1 not defined 543#endif 544int main(void) { return 0; } 545EOF 546 compile_object 547} 548 549check_include() { 550cat > $TMPC <<EOF 551#include <$1> 552int main(void) { return 0; } 553EOF 554 compile_object 555} 556 557write_c_skeleton() { 558 cat > $TMPC <<EOF 559int main(void) { return 0; } 560EOF 561} 562 563write_c_fuzzer_skeleton() { 564 cat > $TMPC <<EOF 565#include <stdint.h> 566#include <sys/types.h> 567int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size); 568int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; } 569EOF 570} 571 572if check_define __linux__ ; then 573 targetos="Linux" 574elif check_define _WIN32 ; then 575 targetos='MINGW32' 576elif check_define __OpenBSD__ ; then 577 targetos='OpenBSD' 578elif check_define __sun__ ; then 579 targetos='SunOS' 580elif check_define __HAIKU__ ; then 581 targetos='Haiku' 582elif check_define __FreeBSD__ ; then 583 targetos='FreeBSD' 584elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then 585 targetos='GNU/kFreeBSD' 586elif check_define __DragonFly__ ; then 587 targetos='DragonFly' 588elif check_define __NetBSD__; then 589 targetos='NetBSD' 590elif check_define __APPLE__; then 591 targetos='Darwin' 592else 593 # This is a fatal error, but don't report it yet, because we 594 # might be going to just print the --help text, or it might 595 # be the result of a missing compiler. 596 targetos='bogus' 597fi 598 599# Some host OSes need non-standard checks for which CPU to use. 600# Note that these checks are broken for cross-compilation: if you're 601# cross-compiling to one of these OSes then you'll need to specify 602# the correct CPU with the --cpu option. 603case $targetos in 604Darwin) 605 HOST_DSOSUF=".dylib" 606 ;; 607SunOS) 608 # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo 609 if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then 610 cpu="x86_64" 611 fi 612esac 613 614if test ! -z "$cpu" ; then 615 # command line argument 616 : 617elif check_define __i386__ ; then 618 cpu="i386" 619elif check_define __x86_64__ ; then 620 if check_define __ILP32__ ; then 621 cpu="x32" 622 else 623 cpu="x86_64" 624 fi 625elif check_define __sparc__ ; then 626 if check_define __arch64__ ; then 627 cpu="sparc64" 628 else 629 cpu="sparc" 630 fi 631elif check_define _ARCH_PPC ; then 632 if check_define _ARCH_PPC64 ; then 633 if check_define _LITTLE_ENDIAN ; then 634 cpu="ppc64le" 635 else 636 cpu="ppc64" 637 fi 638 else 639 cpu="ppc" 640 fi 641elif check_define __mips__ ; then 642 cpu="mips" 643elif check_define __s390__ ; then 644 if check_define __s390x__ ; then 645 cpu="s390x" 646 else 647 cpu="s390" 648 fi 649elif check_define __riscv ; then 650 if check_define _LP64 ; then 651 cpu="riscv64" 652 else 653 cpu="riscv32" 654 fi 655elif check_define __arm__ ; then 656 cpu="arm" 657elif check_define __aarch64__ ; then 658 cpu="aarch64" 659else 660 cpu=$(uname -m) 661fi 662 663ARCH= 664# Normalise host CPU name and set ARCH. 665# Note that this case should only have supported host CPUs, not guests. 666case "$cpu" in 667 ppc|ppc64|s390x|sparc64|x32|riscv32|riscv64) 668 ;; 669 ppc64le) 670 ARCH="ppc64" 671 ;; 672 i386|i486|i586|i686|i86pc|BePC) 673 cpu="i386" 674 ;; 675 x86_64|amd64) 676 cpu="x86_64" 677 ;; 678 armv*b|armv*l|arm) 679 cpu="arm" 680 ;; 681 aarch64) 682 cpu="aarch64" 683 ;; 684 mips*) 685 cpu="mips" 686 ;; 687 sparc|sun4[cdmuv]) 688 cpu="sparc" 689 ;; 690 *) 691 # This will result in either an error or falling back to TCI later 692 ARCH=unknown 693 ;; 694esac 695if test -z "$ARCH"; then 696 ARCH="$cpu" 697fi 698 699# OS specific 700 701case $targetos in 702MINGW32*) 703 mingw32="yes" 704 audio_possible_drivers="dsound sdl" 705 if check_include dsound.h; then 706 audio_drv_list="dsound" 707 else 708 audio_drv_list="" 709 fi 710 supported_os="yes" 711 pie="no" 712;; 713GNU/kFreeBSD) 714 bsd="yes" 715 audio_drv_list="oss try-sdl" 716 audio_possible_drivers="oss sdl pa" 717;; 718FreeBSD) 719 bsd="yes" 720 make="${MAKE-gmake}" 721 audio_drv_list="oss try-sdl" 722 audio_possible_drivers="oss sdl pa" 723 # needed for kinfo_getvmmap(3) in libutil.h 724 netmap="" # enable netmap autodetect 725;; 726DragonFly) 727 bsd="yes" 728 make="${MAKE-gmake}" 729 audio_drv_list="oss try-sdl" 730 audio_possible_drivers="oss sdl pa" 731;; 732NetBSD) 733 bsd="yes" 734 make="${MAKE-gmake}" 735 audio_drv_list="oss try-sdl" 736 audio_possible_drivers="oss sdl" 737 oss_lib="-lossaudio" 738;; 739OpenBSD) 740 bsd="yes" 741 make="${MAKE-gmake}" 742 audio_drv_list="try-sdl" 743 audio_possible_drivers="sdl" 744;; 745Darwin) 746 bsd="yes" 747 darwin="yes" 748 audio_drv_list="try-coreaudio try-sdl" 749 audio_possible_drivers="coreaudio sdl" 750 # Disable attempts to use ObjectiveC features in os/object.h since they 751 # won't work when we're compiling with gcc as a C compiler. 752 QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS" 753;; 754SunOS) 755 solaris="yes" 756 make="${MAKE-gmake}" 757 smbd="${SMBD-/usr/sfw/sbin/smbd}" 758 if test -f /usr/include/sys/soundcard.h ; then 759 audio_drv_list="oss try-sdl" 760 fi 761 audio_possible_drivers="oss sdl" 762# needed for CMSG_ macros in sys/socket.h 763 QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS" 764# needed for TIOCWIN* defines in termios.h 765 QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS" 766;; 767Haiku) 768 haiku="yes" 769 QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -D_BSD_SOURCE $QEMU_CFLAGS" 770;; 771Linux) 772 audio_drv_list="try-pa oss" 773 audio_possible_drivers="oss alsa sdl pa" 774 linux="yes" 775 linux_user="yes" 776 vhost_user=${default_feature:-yes} 777;; 778esac 779 780if [ "$bsd" = "yes" ] ; then 781 if [ "$darwin" != "yes" ] ; then 782 bsd_user="yes" 783 fi 784fi 785 786: ${make=${MAKE-make}} 787 788# We prefer python 3.x. A bare 'python' is traditionally 789# python 2.x, but some distros have it as python 3.x, so 790# we check that too 791python= 792explicit_python=no 793for binary in "${PYTHON-python3}" python 794do 795 if has "$binary" 796 then 797 python=$(command -v "$binary") 798 break 799 fi 800done 801 802 803# Check for ancillary tools used in testing 804genisoimage= 805for binary in genisoimage mkisofs 806do 807 if has $binary 808 then 809 genisoimage=$(command -v "$binary") 810 break 811 fi 812done 813 814# Default objcc to clang if available, otherwise use CC 815if has clang; then 816 objcc=clang 817else 818 objcc="$cc" 819fi 820 821if test "$mingw32" = "yes" ; then 822 EXESUF=".exe" 823 HOST_DSOSUF=".dll" 824 # MinGW needs -mthreads for TLS and macro _MT. 825 CONFIGURE_CFLAGS="-mthreads $CONFIGURE_CFLAGS" 826 write_c_skeleton; 827 prefix="/qemu" 828 qemu_suffix="" 829 libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga" 830fi 831 832werror="" 833 834for opt do 835 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 836 case "$opt" in 837 --help|-h) show_help=yes 838 ;; 839 --version|-V) exec cat $source_path/VERSION 840 ;; 841 --prefix=*) prefix="$optarg" 842 ;; 843 --interp-prefix=*) interp_prefix="$optarg" 844 ;; 845 --cross-prefix=*) 846 ;; 847 --cc=*) 848 ;; 849 --host-cc=*) host_cc="$optarg" 850 ;; 851 --cxx=*) 852 ;; 853 --iasl=*) iasl="$optarg" 854 ;; 855 --objcc=*) objcc="$optarg" 856 ;; 857 --make=*) make="$optarg" 858 ;; 859 --install=*) 860 ;; 861 --python=*) python="$optarg" ; explicit_python=yes 862 ;; 863 --sphinx-build=*) sphinx_build="$optarg" 864 ;; 865 --skip-meson) skip_meson=yes 866 ;; 867 --meson=*) meson="$optarg" 868 ;; 869 --ninja=*) ninja="$optarg" 870 ;; 871 --smbd=*) smbd="$optarg" 872 ;; 873 --extra-cflags=*) 874 ;; 875 --extra-cxxflags=*) 876 ;; 877 --extra-ldflags=*) 878 ;; 879 --enable-debug-info) 880 ;; 881 --disable-debug-info) 882 ;; 883 --cross-cc-*) 884 ;; 885 --enable-modules) 886 modules="yes" 887 ;; 888 --disable-modules) 889 modules="no" 890 ;; 891 --disable-module-upgrades) module_upgrades="no" 892 ;; 893 --enable-module-upgrades) module_upgrades="yes" 894 ;; 895 --cpu=*) 896 ;; 897 --target-list=*) target_list="$optarg" 898 if test "$target_list_exclude"; then 899 error_exit "Can't mix --target-list with --target-list-exclude" 900 fi 901 ;; 902 --target-list-exclude=*) target_list_exclude="$optarg" 903 if test "$target_list"; then 904 error_exit "Can't mix --target-list-exclude with --target-list" 905 fi 906 ;; 907 --enable-trace-backends=*) trace_backends="$optarg" 908 ;; 909 # XXX: backwards compatibility 910 --enable-trace-backend=*) trace_backends="$optarg" 911 ;; 912 --with-trace-file=*) trace_file="$optarg" 913 ;; 914 --with-default-devices) default_devices="true" 915 ;; 916 --without-default-devices) default_devices="false" 917 ;; 918 --with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option" 919 ;; 920 --with-devices-*) device_arch=${opt#--with-devices-}; 921 device_arch=${device_arch%%=*} 922 cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak 923 if test -f "$cf"; then 924 device_archs="$device_archs $device_arch" 925 eval "devices_${device_arch}=\$optarg" 926 else 927 error_exit "File $cf does not exist" 928 fi 929 ;; 930 --without-default-features) # processed above 931 ;; 932 --enable-gprof) gprof="yes" 933 ;; 934 --enable-gcov) gcov="yes" 935 ;; 936 --static) 937 static="yes" 938 QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS" 939 ;; 940 --mandir=*) mandir="$optarg" 941 ;; 942 --bindir=*) bindir="$optarg" 943 ;; 944 --libdir=*) libdir="$optarg" 945 ;; 946 --libexecdir=*) libexecdir="$optarg" 947 ;; 948 --includedir=*) includedir="$optarg" 949 ;; 950 --datadir=*) datadir="$optarg" 951 ;; 952 --with-suffix=*) qemu_suffix="$optarg" 953 ;; 954 --docdir=*) docdir="$optarg" 955 ;; 956 --localedir=*) localedir="$optarg" 957 ;; 958 --sysconfdir=*) sysconfdir="$optarg" 959 ;; 960 --localstatedir=*) local_statedir="$optarg" 961 ;; 962 --firmwarepath=*) firmwarepath="$optarg" 963 ;; 964 --host=*|--build=*|\ 965 --disable-dependency-tracking|\ 966 --sbindir=*|--sharedstatedir=*|\ 967 --oldincludedir=*|--datarootdir=*|--infodir=*|\ 968 --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*) 969 # These switches are silently ignored, for compatibility with 970 # autoconf-generated configure scripts. This allows QEMU's 971 # configure to be used by RPM and similar macros that set 972 # lots of directory switches by default. 973 ;; 974 --disable-sdl) sdl="disabled" 975 ;; 976 --enable-sdl) sdl="enabled" 977 ;; 978 --disable-sdl-image) sdl_image="disabled" 979 ;; 980 --enable-sdl-image) sdl_image="enabled" 981 ;; 982 --disable-qom-cast-debug) qom_cast_debug="no" 983 ;; 984 --enable-qom-cast-debug) qom_cast_debug="yes" 985 ;; 986 --disable-virtfs) virtfs="disabled" 987 ;; 988 --enable-virtfs) virtfs="enabled" 989 ;; 990 --disable-libudev) libudev="disabled" 991 ;; 992 --enable-libudev) libudev="enabled" 993 ;; 994 --disable-virtiofsd) virtiofsd="disabled" 995 ;; 996 --enable-virtiofsd) virtiofsd="enabled" 997 ;; 998 --disable-mpath) mpath="disabled" 999 ;; 1000 --enable-mpath) mpath="enabled" 1001 ;; 1002 --disable-vnc) vnc="disabled" 1003 ;; 1004 --enable-vnc) vnc="enabled" 1005 ;; 1006 --disable-gettext) gettext="disabled" 1007 ;; 1008 --enable-gettext) gettext="enabled" 1009 ;; 1010 --oss-lib=*) oss_lib="$optarg" 1011 ;; 1012 --audio-drv-list=*) audio_drv_list="$optarg" 1013 ;; 1014 --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g') 1015 ;; 1016 --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g') 1017 ;; 1018 --enable-debug-tcg) debug_tcg="yes" 1019 ;; 1020 --disable-debug-tcg) debug_tcg="no" 1021 ;; 1022 --enable-debug) 1023 # Enable debugging options that aren't excessively noisy 1024 debug_tcg="yes" 1025 debug_mutex="yes" 1026 debug="yes" 1027 strip_opt="no" 1028 fortify_source="no" 1029 ;; 1030 --enable-sanitizers) sanitizers="yes" 1031 ;; 1032 --disable-sanitizers) sanitizers="no" 1033 ;; 1034 --enable-tsan) tsan="yes" 1035 ;; 1036 --disable-tsan) tsan="no" 1037 ;; 1038 --enable-sparse) sparse="enabled" 1039 ;; 1040 --disable-sparse) sparse="disabled" 1041 ;; 1042 --disable-strip) strip_opt="no" 1043 ;; 1044 --disable-vnc-sasl) vnc_sasl="disabled" 1045 ;; 1046 --enable-vnc-sasl) vnc_sasl="enabled" 1047 ;; 1048 --disable-vnc-jpeg) vnc_jpeg="disabled" 1049 ;; 1050 --enable-vnc-jpeg) vnc_jpeg="enabled" 1051 ;; 1052 --disable-vnc-png) vnc_png="disabled" 1053 ;; 1054 --enable-vnc-png) vnc_png="enabled" 1055 ;; 1056 --disable-slirp) slirp="disabled" 1057 ;; 1058 --enable-slirp) slirp="enabled" 1059 ;; 1060 --enable-slirp=git) slirp="internal" 1061 ;; 1062 --enable-slirp=system) slirp="system" 1063 ;; 1064 --disable-vde) vde="no" 1065 ;; 1066 --enable-vde) vde="yes" 1067 ;; 1068 --disable-netmap) netmap="no" 1069 ;; 1070 --enable-netmap) netmap="yes" 1071 ;; 1072 --disable-xen) xen="disabled" 1073 ;; 1074 --enable-xen) xen="enabled" 1075 ;; 1076 --disable-xen-pci-passthrough) xen_pci_passthrough="disabled" 1077 ;; 1078 --enable-xen-pci-passthrough) xen_pci_passthrough="enabled" 1079 ;; 1080 --disable-brlapi) brlapi="disabled" 1081 ;; 1082 --enable-brlapi) brlapi="enabled" 1083 ;; 1084 --disable-kvm) kvm="disabled" 1085 ;; 1086 --enable-kvm) kvm="enabled" 1087 ;; 1088 --disable-hax) hax="disabled" 1089 ;; 1090 --enable-hax) hax="enabled" 1091 ;; 1092 --disable-hvf) hvf="disabled" 1093 ;; 1094 --enable-hvf) hvf="enabled" 1095 ;; 1096 --disable-nvmm) nvmm="disabled" 1097 ;; 1098 --enable-nvmm) nvmm="enabled" 1099 ;; 1100 --disable-whpx) whpx="disabled" 1101 ;; 1102 --enable-whpx) whpx="enabled" 1103 ;; 1104 --disable-tcg-interpreter) tcg_interpreter="false" 1105 ;; 1106 --enable-tcg-interpreter) tcg_interpreter="true" 1107 ;; 1108 --disable-cap-ng) cap_ng="disabled" 1109 ;; 1110 --enable-cap-ng) cap_ng="enabled" 1111 ;; 1112 --disable-tcg) tcg="disabled" 1113 ;; 1114 --enable-tcg) tcg="enabled" 1115 ;; 1116 --disable-malloc-trim) malloc_trim="disabled" 1117 ;; 1118 --enable-malloc-trim) malloc_trim="enabled" 1119 ;; 1120 --disable-spice) spice="no" 1121 ;; 1122 --enable-spice) 1123 spice_protocol="yes" 1124 spice="yes" 1125 ;; 1126 --disable-spice-protocol) 1127 spice_protocol="no" 1128 spice="no" 1129 ;; 1130 --enable-spice-protocol) spice_protocol="yes" 1131 ;; 1132 --disable-libiscsi) libiscsi="disabled" 1133 ;; 1134 --enable-libiscsi) libiscsi="enabled" 1135 ;; 1136 --disable-libnfs) libnfs="disabled" 1137 ;; 1138 --enable-libnfs) libnfs="enabled" 1139 ;; 1140 --enable-profiler) profiler="yes" 1141 ;; 1142 --disable-cocoa) cocoa="disabled" 1143 ;; 1144 --enable-cocoa) cocoa="enabled" 1145 ;; 1146 --disable-system) softmmu="no" 1147 ;; 1148 --enable-system) softmmu="yes" 1149 ;; 1150 --disable-user) 1151 linux_user="no" ; 1152 bsd_user="no" ; 1153 ;; 1154 --enable-user) ;; 1155 --disable-linux-user) linux_user="no" 1156 ;; 1157 --enable-linux-user) linux_user="yes" 1158 ;; 1159 --disable-bsd-user) bsd_user="no" 1160 ;; 1161 --enable-bsd-user) bsd_user="yes" 1162 ;; 1163 --enable-pie) pie="yes" 1164 ;; 1165 --disable-pie) pie="no" 1166 ;; 1167 --enable-werror) werror="yes" 1168 ;; 1169 --disable-werror) werror="no" 1170 ;; 1171 --enable-lto) lto="true" 1172 ;; 1173 --disable-lto) lto="false" 1174 ;; 1175 --enable-stack-protector) stack_protector="yes" 1176 ;; 1177 --disable-stack-protector) stack_protector="no" 1178 ;; 1179 --enable-safe-stack) safe_stack="yes" 1180 ;; 1181 --disable-safe-stack) safe_stack="no" 1182 ;; 1183 --enable-cfi) 1184 cfi="true"; 1185 lto="true"; 1186 ;; 1187 --disable-cfi) cfi="false" 1188 ;; 1189 --enable-cfi-debug) cfi_debug="true" 1190 ;; 1191 --disable-cfi-debug) cfi_debug="false" 1192 ;; 1193 --disable-curses) curses="disabled" 1194 ;; 1195 --enable-curses) curses="enabled" 1196 ;; 1197 --disable-iconv) iconv="disabled" 1198 ;; 1199 --enable-iconv) iconv="enabled" 1200 ;; 1201 --disable-curl) curl="disabled" 1202 ;; 1203 --enable-curl) curl="enabled" 1204 ;; 1205 --disable-fdt) fdt="disabled" 1206 ;; 1207 --enable-fdt) fdt="enabled" 1208 ;; 1209 --enable-fdt=git) fdt="internal" 1210 ;; 1211 --enable-fdt=system) fdt="system" 1212 ;; 1213 --disable-linux-aio) linux_aio="no" 1214 ;; 1215 --enable-linux-aio) linux_aio="yes" 1216 ;; 1217 --disable-linux-io-uring) linux_io_uring="disabled" 1218 ;; 1219 --enable-linux-io-uring) linux_io_uring="enabled" 1220 ;; 1221 --disable-attr) attr="disabled" 1222 ;; 1223 --enable-attr) attr="enabled" 1224 ;; 1225 --disable-membarrier) membarrier="no" 1226 ;; 1227 --enable-membarrier) membarrier="yes" 1228 ;; 1229 --disable-bpf) bpf="disabled" 1230 ;; 1231 --enable-bpf) bpf="enabled" 1232 ;; 1233 --disable-blobs) blobs="false" 1234 ;; 1235 --with-pkgversion=*) pkgversion="$optarg" 1236 ;; 1237 --with-coroutine=*) coroutine="$optarg" 1238 ;; 1239 --disable-coroutine-pool) coroutine_pool="no" 1240 ;; 1241 --enable-coroutine-pool) coroutine_pool="yes" 1242 ;; 1243 --enable-debug-stack-usage) debug_stack_usage="yes" 1244 ;; 1245 --enable-crypto-afalg) crypto_afalg="yes" 1246 ;; 1247 --disable-crypto-afalg) crypto_afalg="no" 1248 ;; 1249 --disable-docs) docs="disabled" 1250 ;; 1251 --enable-docs) docs="enabled" 1252 ;; 1253 --disable-vhost-net) vhost_net="no" 1254 ;; 1255 --enable-vhost-net) vhost_net="yes" 1256 ;; 1257 --disable-vhost-crypto) vhost_crypto="no" 1258 ;; 1259 --enable-vhost-crypto) vhost_crypto="yes" 1260 ;; 1261 --disable-vhost-scsi) vhost_scsi="no" 1262 ;; 1263 --enable-vhost-scsi) vhost_scsi="yes" 1264 ;; 1265 --disable-vhost-vsock) vhost_vsock="no" 1266 ;; 1267 --enable-vhost-vsock) vhost_vsock="yes" 1268 ;; 1269 --disable-vhost-user-blk-server) vhost_user_blk_server="disabled" 1270 ;; 1271 --enable-vhost-user-blk-server) vhost_user_blk_server="enabled" 1272 ;; 1273 --disable-vhost-user-fs) vhost_user_fs="no" 1274 ;; 1275 --enable-vhost-user-fs) vhost_user_fs="yes" 1276 ;; 1277 --disable-opengl) opengl="no" 1278 ;; 1279 --enable-opengl) opengl="yes" 1280 ;; 1281 --disable-rbd) rbd="disabled" 1282 ;; 1283 --enable-rbd) rbd="enabled" 1284 ;; 1285 --disable-xfsctl) xfs="no" 1286 ;; 1287 --enable-xfsctl) xfs="yes" 1288 ;; 1289 --disable-smartcard) smartcard="disabled" 1290 ;; 1291 --enable-smartcard) smartcard="enabled" 1292 ;; 1293 --disable-u2f) u2f="disabled" 1294 ;; 1295 --enable-u2f) u2f="enabled" 1296 ;; 1297 --disable-libusb) libusb="disabled" 1298 ;; 1299 --enable-libusb) libusb="enabled" 1300 ;; 1301 --disable-usb-redir) usb_redir="disabled" 1302 ;; 1303 --enable-usb-redir) usb_redir="enabled" 1304 ;; 1305 --disable-zlib-test) 1306 ;; 1307 --disable-lzo) lzo="disabled" 1308 ;; 1309 --enable-lzo) lzo="enabled" 1310 ;; 1311 --disable-snappy) snappy="disabled" 1312 ;; 1313 --enable-snappy) snappy="enabled" 1314 ;; 1315 --disable-bzip2) bzip2="disabled" 1316 ;; 1317 --enable-bzip2) bzip2="enabled" 1318 ;; 1319 --enable-lzfse) lzfse="enabled" 1320 ;; 1321 --disable-lzfse) lzfse="disabled" 1322 ;; 1323 --disable-zstd) zstd="disabled" 1324 ;; 1325 --enable-zstd) zstd="enabled" 1326 ;; 1327 --enable-guest-agent) guest_agent="yes" 1328 ;; 1329 --disable-guest-agent) guest_agent="no" 1330 ;; 1331 --enable-guest-agent-msi) guest_agent_msi="enabled" 1332 ;; 1333 --disable-guest-agent-msi) guest_agent_msi="disabled" 1334 ;; 1335 --with-vss-sdk) vss_win32_sdk="" 1336 ;; 1337 --with-vss-sdk=*) vss_win32_sdk="$optarg" 1338 ;; 1339 --without-vss-sdk) vss_win32_sdk="no" 1340 ;; 1341 --with-win-sdk) win_sdk="" 1342 ;; 1343 --with-win-sdk=*) win_sdk="$optarg" 1344 ;; 1345 --without-win-sdk) win_sdk="no" 1346 ;; 1347 --enable-tools) want_tools="yes" 1348 ;; 1349 --disable-tools) want_tools="no" 1350 ;; 1351 --enable-seccomp) seccomp="enabled" 1352 ;; 1353 --disable-seccomp) seccomp="disabled" 1354 ;; 1355 --disable-glusterfs) glusterfs="disabled" 1356 ;; 1357 --disable-avx2) avx2_opt="no" 1358 ;; 1359 --enable-avx2) avx2_opt="yes" 1360 ;; 1361 --disable-avx512f) avx512f_opt="no" 1362 ;; 1363 --enable-avx512f) avx512f_opt="yes" 1364 ;; 1365 1366 --enable-glusterfs) glusterfs="enabled" 1367 ;; 1368 --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane) 1369 echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2 1370 ;; 1371 --enable-vhdx|--disable-vhdx) 1372 echo "$0: $opt is obsolete, VHDX driver is always built" >&2 1373 ;; 1374 --enable-uuid|--disable-uuid) 1375 echo "$0: $opt is obsolete, UUID support is always built" >&2 1376 ;; 1377 --disable-gtk) gtk="disabled" 1378 ;; 1379 --enable-gtk) gtk="enabled" 1380 ;; 1381 --tls-priority=*) tls_priority="$optarg" 1382 ;; 1383 --disable-gnutls) gnutls="disabled" 1384 ;; 1385 --enable-gnutls) gnutls="enabled" 1386 ;; 1387 --disable-nettle) nettle="disabled" 1388 ;; 1389 --enable-nettle) nettle="enabled" 1390 ;; 1391 --disable-gcrypt) gcrypt="disabled" 1392 ;; 1393 --enable-gcrypt) gcrypt="enabled" 1394 ;; 1395 --disable-auth-pam) auth_pam="disabled" 1396 ;; 1397 --enable-auth-pam) auth_pam="enabled" 1398 ;; 1399 --enable-rdma) rdma="yes" 1400 ;; 1401 --disable-rdma) rdma="no" 1402 ;; 1403 --enable-pvrdma) pvrdma="yes" 1404 ;; 1405 --disable-pvrdma) pvrdma="no" 1406 ;; 1407 --disable-vte) vte="disabled" 1408 ;; 1409 --enable-vte) vte="enabled" 1410 ;; 1411 --disable-virglrenderer) virglrenderer="disabled" 1412 ;; 1413 --enable-virglrenderer) virglrenderer="enabled" 1414 ;; 1415 --disable-tpm) tpm="no" 1416 ;; 1417 --enable-tpm) tpm="yes" 1418 ;; 1419 --disable-libssh) libssh="no" 1420 ;; 1421 --enable-libssh) libssh="yes" 1422 ;; 1423 --disable-live-block-migration) live_block_migration="no" 1424 ;; 1425 --enable-live-block-migration) live_block_migration="yes" 1426 ;; 1427 --disable-numa) numa="no" 1428 ;; 1429 --enable-numa) numa="yes" 1430 ;; 1431 --disable-libxml2) libxml2="disabled" 1432 ;; 1433 --enable-libxml2) libxml2="enabled" 1434 ;; 1435 --disable-tcmalloc) tcmalloc="no" 1436 ;; 1437 --enable-tcmalloc) tcmalloc="yes" 1438 ;; 1439 --disable-jemalloc) jemalloc="no" 1440 ;; 1441 --enable-jemalloc) jemalloc="yes" 1442 ;; 1443 --disable-replication) replication="no" 1444 ;; 1445 --enable-replication) replication="yes" 1446 ;; 1447 --disable-bochs) bochs="no" 1448 ;; 1449 --enable-bochs) bochs="yes" 1450 ;; 1451 --disable-cloop) cloop="no" 1452 ;; 1453 --enable-cloop) cloop="yes" 1454 ;; 1455 --disable-dmg) dmg="no" 1456 ;; 1457 --enable-dmg) dmg="yes" 1458 ;; 1459 --disable-qcow1) qcow1="no" 1460 ;; 1461 --enable-qcow1) qcow1="yes" 1462 ;; 1463 --disable-vdi) vdi="no" 1464 ;; 1465 --enable-vdi) vdi="yes" 1466 ;; 1467 --disable-vvfat) vvfat="no" 1468 ;; 1469 --enable-vvfat) vvfat="yes" 1470 ;; 1471 --disable-qed) qed="no" 1472 ;; 1473 --enable-qed) qed="yes" 1474 ;; 1475 --disable-parallels) parallels="no" 1476 ;; 1477 --enable-parallels) parallels="yes" 1478 ;; 1479 --disable-vhost-user) vhost_user="no" 1480 ;; 1481 --enable-vhost-user) vhost_user="yes" 1482 ;; 1483 --disable-vhost-vdpa) vhost_vdpa="no" 1484 ;; 1485 --enable-vhost-vdpa) vhost_vdpa="yes" 1486 ;; 1487 --disable-vhost-kernel) vhost_kernel="no" 1488 ;; 1489 --enable-vhost-kernel) vhost_kernel="yes" 1490 ;; 1491 --disable-capstone) capstone="disabled" 1492 ;; 1493 --enable-capstone) capstone="enabled" 1494 ;; 1495 --enable-capstone=git) capstone="internal" 1496 ;; 1497 --enable-capstone=system) capstone="system" 1498 ;; 1499 --with-git=*) git="$optarg" 1500 ;; 1501 --enable-git-update) 1502 git_submodules_action="update" 1503 echo "--enable-git-update deprecated, use --with-git-submodules=update" 1504 ;; 1505 --disable-git-update) 1506 git_submodules_action="validate" 1507 echo "--disable-git-update deprecated, use --with-git-submodules=validate" 1508 ;; 1509 --with-git-submodules=*) 1510 git_submodules_action="$optarg" 1511 ;; 1512 --enable-debug-mutex) debug_mutex=yes 1513 ;; 1514 --disable-debug-mutex) debug_mutex=no 1515 ;; 1516 --enable-libpmem) libpmem="enabled" 1517 ;; 1518 --disable-libpmem) libpmem="disabled" 1519 ;; 1520 --enable-xkbcommon) xkbcommon="enabled" 1521 ;; 1522 --disable-xkbcommon) xkbcommon="disabled" 1523 ;; 1524 --enable-plugins) plugins="yes" 1525 ;; 1526 --disable-plugins) plugins="no" 1527 ;; 1528 --enable-containers) use_containers="yes" 1529 ;; 1530 --disable-containers) use_containers="no" 1531 ;; 1532 --enable-fuzzing) fuzzing=yes 1533 ;; 1534 --disable-fuzzing) fuzzing=no 1535 ;; 1536 --gdb=*) gdb_bin="$optarg" 1537 ;; 1538 --enable-rng-none) rng_none=yes 1539 ;; 1540 --disable-rng-none) rng_none=no 1541 ;; 1542 --enable-keyring) secret_keyring="yes" 1543 ;; 1544 --disable-keyring) secret_keyring="no" 1545 ;; 1546 --enable-libdaxctl) libdaxctl="enabled" 1547 ;; 1548 --disable-libdaxctl) libdaxctl="disabled" 1549 ;; 1550 --enable-fuse) fuse="enabled" 1551 ;; 1552 --disable-fuse) fuse="disabled" 1553 ;; 1554 --enable-fuse-lseek) fuse_lseek="enabled" 1555 ;; 1556 --disable-fuse-lseek) fuse_lseek="disabled" 1557 ;; 1558 --enable-multiprocess) multiprocess="enabled" 1559 ;; 1560 --disable-multiprocess) multiprocess="disabled" 1561 ;; 1562 --enable-gio) gio=yes 1563 ;; 1564 --disable-gio) gio=no 1565 ;; 1566 --enable-slirp-smbd) slirp_smbd=yes 1567 ;; 1568 --disable-slirp-smbd) slirp_smbd=no 1569 ;; 1570 *) 1571 echo "ERROR: unknown option $opt" 1572 echo "Try '$0 --help' for more information" 1573 exit 1 1574 ;; 1575 esac 1576done 1577 1578case $git_submodules_action in 1579 update|validate) 1580 if test ! -e "$source_path/.git"; then 1581 echo "ERROR: cannot $git_submodules_action git submodules without .git" 1582 exit 1 1583 fi 1584 ;; 1585 ignore) 1586 if ! test -f "$source_path/ui/keycodemapdb/README" 1587 then 1588 echo 1589 echo "ERROR: missing GIT submodules" 1590 echo 1591 if test -e "$source_path/.git"; then 1592 echo "--with-git-submodules=ignore specified but submodules were not" 1593 echo "checked out. Please initialize and update submodules." 1594 else 1595 echo "This is not a GIT checkout but module content appears to" 1596 echo "be missing. Do not use 'git archive' or GitHub download links" 1597 echo "to acquire QEMU source archives. Non-GIT builds are only" 1598 echo "supported with source archives linked from:" 1599 echo 1600 echo " https://www.qemu.org/download/#source" 1601 echo 1602 echo "Developers working with GIT can use scripts/archive-source.sh" 1603 echo "if they need to create valid source archives." 1604 fi 1605 echo 1606 exit 1 1607 fi 1608 ;; 1609 *) 1610 echo "ERROR: invalid --with-git-submodules= value '$git_submodules_action'" 1611 exit 1 1612 ;; 1613esac 1614 1615libdir="${libdir:-$prefix/lib}" 1616libexecdir="${libexecdir:-$prefix/libexec}" 1617includedir="${includedir:-$prefix/include}" 1618 1619if test "$mingw32" = "yes" ; then 1620 bindir="${bindir:-$prefix}" 1621else 1622 bindir="${bindir:-$prefix/bin}" 1623fi 1624mandir="${mandir:-$prefix/share/man}" 1625datadir="${datadir:-$prefix/share}" 1626docdir="${docdir:-$prefix/share/doc}" 1627sysconfdir="${sysconfdir:-$prefix/etc}" 1628local_statedir="${local_statedir:-$prefix/var}" 1629firmwarepath="${firmwarepath:-$datadir/qemu-firmware}" 1630localedir="${localedir:-$datadir/locale}" 1631 1632case "$cpu" in 1633 ppc) 1634 CPU_CFLAGS="-m32" 1635 QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS" 1636 ;; 1637 ppc64) 1638 CPU_CFLAGS="-m64" 1639 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS" 1640 ;; 1641 sparc) 1642 CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc" 1643 QEMU_LDFLAGS="-m32 -mv8plus $QEMU_LDFLAGS" 1644 ;; 1645 sparc64) 1646 CPU_CFLAGS="-m64 -mcpu=ultrasparc" 1647 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS" 1648 ;; 1649 s390) 1650 CPU_CFLAGS="-m31" 1651 QEMU_LDFLAGS="-m31 $QEMU_LDFLAGS" 1652 ;; 1653 s390x) 1654 CPU_CFLAGS="-m64" 1655 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS" 1656 ;; 1657 i386) 1658 CPU_CFLAGS="-m32" 1659 QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS" 1660 ;; 1661 x86_64) 1662 # ??? Only extremely old AMD cpus do not have cmpxchg16b. 1663 # If we truly care, we should simply detect this case at 1664 # runtime and generate the fallback to serial emulation. 1665 CPU_CFLAGS="-m64 -mcx16" 1666 QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS" 1667 ;; 1668 x32) 1669 CPU_CFLAGS="-mx32" 1670 QEMU_LDFLAGS="-mx32 $QEMU_LDFLAGS" 1671 ;; 1672 # No special flags required for other host CPUs 1673esac 1674 1675eval "cross_cc_${cpu}=\$cc" 1676cross_cc_vars="$cross_cc_vars cross_cc_${cpu}" 1677QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS" 1678 1679# For user-mode emulation the host arch has to be one we explicitly 1680# support, even if we're using TCI. 1681if [ "$ARCH" = "unknown" ]; then 1682 bsd_user="no" 1683 linux_user="no" 1684fi 1685 1686default_target_list="" 1687deprecated_targets_list=ppc64abi32-linux-user 1688deprecated_features="" 1689mak_wilds="" 1690 1691if [ "$softmmu" = "yes" ]; then 1692 mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak" 1693fi 1694if [ "$linux_user" = "yes" ]; then 1695 mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak" 1696fi 1697if [ "$bsd_user" = "yes" ]; then 1698 mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak" 1699fi 1700 1701# If the user doesn't explicitly specify a deprecated target we will 1702# skip it. 1703if test -z "$target_list"; then 1704 if test -z "$target_list_exclude"; then 1705 target_list_exclude="$deprecated_targets_list" 1706 else 1707 target_list_exclude="$target_list_exclude,$deprecated_targets_list" 1708 fi 1709fi 1710 1711for config in $mak_wilds; do 1712 target="$(basename "$config" .mak)" 1713 if echo "$target_list_exclude" | grep -vq "$target"; then 1714 default_target_list="${default_target_list} $target" 1715 fi 1716done 1717 1718# Enumerate public trace backends for --help output 1719trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/')) 1720 1721if test x"$show_help" = x"yes" ; then 1722cat << EOF 1723 1724Usage: configure [options] 1725Options: [defaults in brackets after descriptions] 1726 1727Standard options: 1728 --help print this message 1729 --prefix=PREFIX install in PREFIX [$prefix] 1730 --interp-prefix=PREFIX where to find shared libraries, etc. 1731 use %M for cpu name [$interp_prefix] 1732 --target-list=LIST set target list (default: build all non-deprecated) 1733$(echo Available targets: $default_target_list | \ 1734 fold -s -w 53 | sed -e 's/^/ /') 1735$(echo Deprecated targets: $deprecated_targets_list | \ 1736 fold -s -w 53 | sed -e 's/^/ /') 1737 --target-list-exclude=LIST exclude a set of targets from the default target-list 1738 1739Advanced options (experts only): 1740 --cross-prefix=PREFIX use PREFIX for compile tools, PREFIX can be blank [$cross_prefix] 1741 --cc=CC use C compiler CC [$cc] 1742 --iasl=IASL use ACPI compiler IASL [$iasl] 1743 --host-cc=CC use C compiler CC [$host_cc] for code run at 1744 build time 1745 --cxx=CXX use C++ compiler CXX [$cxx] 1746 --objcc=OBJCC use Objective-C compiler OBJCC [$objcc] 1747 --extra-cflags=CFLAGS append extra C compiler flags QEMU_CFLAGS 1748 --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS 1749 --extra-ldflags=LDFLAGS append extra linker flags LDFLAGS 1750 --cross-cc-ARCH=CC use compiler when building ARCH guest test cases 1751 --cross-cc-flags-ARCH= use compiler flags when building ARCH guest tests 1752 --make=MAKE use specified make [$make] 1753 --python=PYTHON use specified python [$python] 1754 --sphinx-build=SPHINX use specified sphinx-build [$sphinx_build] 1755 --meson=MESON use specified meson [$meson] 1756 --ninja=NINJA use specified ninja [$ninja] 1757 --smbd=SMBD use specified smbd [$smbd] 1758 --with-git=GIT use specified git [$git] 1759 --with-git-submodules=update update git submodules (default if .git dir exists) 1760 --with-git-submodules=validate fail if git submodules are not up to date 1761 --with-git-submodules=ignore do not update or check git submodules (default if no .git dir) 1762 --static enable static build [$static] 1763 --mandir=PATH install man pages in PATH 1764 --datadir=PATH install firmware in PATH/$qemu_suffix 1765 --localedir=PATH install translation in PATH/$qemu_suffix 1766 --docdir=PATH install documentation in PATH/$qemu_suffix 1767 --bindir=PATH install binaries in PATH 1768 --libdir=PATH install libraries in PATH 1769 --libexecdir=PATH install helper binaries in PATH 1770 --sysconfdir=PATH install config in PATH/$qemu_suffix 1771 --localstatedir=PATH install local state in PATH (set at runtime on win32) 1772 --firmwarepath=PATH search PATH for firmware files 1773 --efi-aarch64=PATH PATH of efi file to use for aarch64 VMs. 1774 --with-suffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix] 1775 --with-pkgversion=VERS use specified string as sub-version of the package 1776 --without-default-features default all --enable-* options to "disabled" 1777 --without-default-devices do not include any device that is not needed to 1778 start the emulator (only use if you are including 1779 desired devices in configs/devices/) 1780 --with-devices-ARCH=NAME override default configs/devices 1781 --enable-debug enable common debug build options 1782 --enable-sanitizers enable default sanitizers 1783 --enable-tsan enable thread sanitizer 1784 --disable-strip disable stripping binaries 1785 --disable-werror disable compilation abort on warning 1786 --disable-stack-protector disable compiler-provided stack protection 1787 --audio-drv-list=LIST set audio drivers list: 1788 Available drivers: $audio_possible_drivers 1789 --block-drv-whitelist=L Same as --block-drv-rw-whitelist=L 1790 --block-drv-rw-whitelist=L 1791 set block driver read-write whitelist 1792 (affects only QEMU, not qemu-img) 1793 --block-drv-ro-whitelist=L 1794 set block driver read-only whitelist 1795 (affects only QEMU, not qemu-img) 1796 --enable-trace-backends=B Set trace backend 1797 Available backends: $trace_backend_list 1798 --with-trace-file=NAME Full PATH,NAME of file to store traces 1799 Default:trace-<pid> 1800 --disable-slirp disable SLIRP userspace network connectivity 1801 --enable-tcg-interpreter enable TCI (TCG with bytecode interpreter, experimental and slow) 1802 --enable-malloc-trim enable libc malloc_trim() for memory optimization 1803 --oss-lib path to OSS library 1804 --cpu=CPU Build for host CPU [$cpu] 1805 --with-coroutine=BACKEND coroutine backend. Supported options: 1806 ucontext, sigaltstack, windows 1807 --enable-gcov enable test coverage analysis with gcov 1808 --disable-blobs disable installing provided firmware blobs 1809 --with-vss-sdk=SDK-path enable Windows VSS support in QEMU Guest Agent 1810 --with-win-sdk=SDK-path path to Windows Platform SDK (to build VSS .tlb) 1811 --tls-priority default TLS protocol/cipher priority string 1812 --enable-gprof QEMU profiling with gprof 1813 --enable-profiler profiler support 1814 --enable-debug-stack-usage 1815 track the maximum stack usage of stacks created by qemu_alloc_stack 1816 --enable-plugins 1817 enable plugins via shared library loading 1818 --disable-containers don't use containers for cross-building 1819 --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin] 1820 1821Optional features, enabled with --enable-FEATURE and 1822disabled with --disable-FEATURE, default is enabled if available 1823(unless built with --without-default-features): 1824 1825 system all system emulation targets 1826 user supported user emulation targets 1827 linux-user all linux usermode emulation targets 1828 bsd-user all BSD usermode emulation targets 1829 docs build documentation 1830 guest-agent build the QEMU Guest Agent 1831 guest-agent-msi build guest agent Windows MSI installation package 1832 pie Position Independent Executables 1833 modules modules support (non-Windows) 1834 module-upgrades try to load modules from alternate paths for upgrades 1835 debug-tcg TCG debugging (default is disabled) 1836 debug-info debugging information 1837 lto Enable Link-Time Optimization. 1838 sparse sparse checker 1839 safe-stack SafeStack Stack Smash Protection. Depends on 1840 clang/llvm >= 3.7 and requires coroutine backend ucontext. 1841 cfi Enable Control-Flow Integrity for indirect function calls. 1842 In case of a cfi violation, QEMU is terminated with SIGILL 1843 Depends on lto and is incompatible with modules 1844 Automatically enables Link-Time Optimization (lto) 1845 cfi-debug In case of a cfi violation, a message containing the line that 1846 triggered the error is written to stderr. After the error, 1847 QEMU is still terminated with SIGILL 1848 gnutls GNUTLS cryptography support 1849 nettle nettle cryptography support 1850 gcrypt libgcrypt cryptography support 1851 auth-pam PAM access control 1852 sdl SDL UI 1853 sdl-image SDL Image support for icons 1854 gtk gtk UI 1855 vte vte support for the gtk UI 1856 curses curses UI 1857 iconv font glyph conversion support 1858 vnc VNC UI support 1859 vnc-sasl SASL encryption for VNC server 1860 vnc-jpeg JPEG lossy compression for VNC server 1861 vnc-png PNG compression for VNC server 1862 cocoa Cocoa UI (Mac OS X only) 1863 virtfs VirtFS 1864 virtiofsd build virtiofs daemon (virtiofsd) 1865 libudev Use libudev to enumerate host devices 1866 mpath Multipath persistent reservation passthrough 1867 xen xen backend driver support 1868 xen-pci-passthrough PCI passthrough support for Xen 1869 brlapi BrlAPI (Braile) 1870 curl curl connectivity 1871 membarrier membarrier system call (for Linux 4.14+ or Windows) 1872 fdt fdt device tree 1873 kvm KVM acceleration support 1874 hax HAX acceleration support 1875 hvf Hypervisor.framework acceleration support 1876 nvmm NVMM acceleration support 1877 whpx Windows Hypervisor Platform acceleration support 1878 rdma Enable RDMA-based migration 1879 pvrdma Enable PVRDMA support 1880 vde support for vde network 1881 netmap support for netmap network 1882 linux-aio Linux AIO support 1883 linux-io-uring Linux io_uring support 1884 cap-ng libcap-ng support 1885 attr attr and xattr support 1886 vhost-net vhost-net kernel acceleration support 1887 vhost-vsock virtio sockets device support 1888 vhost-scsi vhost-scsi kernel target support 1889 vhost-crypto vhost-user-crypto backend support 1890 vhost-kernel vhost kernel backend support 1891 vhost-user vhost-user backend support 1892 vhost-user-blk-server vhost-user-blk server support 1893 vhost-vdpa vhost-vdpa kernel backend support 1894 bpf BPF kernel support 1895 spice spice 1896 spice-protocol spice-protocol 1897 rbd rados block device (rbd) 1898 libiscsi iscsi support 1899 libnfs nfs support 1900 smartcard smartcard support (libcacard) 1901 u2f U2F support (u2f-emu) 1902 libusb libusb (for usb passthrough) 1903 live-block-migration Block migration in the main migration stream 1904 usb-redir usb network redirection support 1905 lzo support of lzo compression library 1906 snappy support of snappy compression library 1907 bzip2 support of bzip2 compression library 1908 (for reading bzip2-compressed dmg images) 1909 lzfse support of lzfse compression library 1910 (for reading lzfse-compressed dmg images) 1911 zstd support for zstd compression library 1912 (for migration compression and qcow2 cluster compression) 1913 seccomp seccomp support 1914 coroutine-pool coroutine freelist (better performance) 1915 glusterfs GlusterFS backend 1916 tpm TPM support 1917 libssh ssh block device support 1918 numa libnuma support 1919 libxml2 for Parallels image format 1920 tcmalloc tcmalloc support 1921 jemalloc jemalloc support 1922 avx2 AVX2 optimization support 1923 avx512f AVX512F optimization support 1924 replication replication support 1925 opengl opengl support 1926 virglrenderer virgl rendering support 1927 xfsctl xfsctl support 1928 qom-cast-debug cast debugging support 1929 tools build qemu-io, qemu-nbd and qemu-img tools 1930 bochs bochs image format support 1931 cloop cloop image format support 1932 dmg dmg image format support 1933 qcow1 qcow v1 image format support 1934 vdi vdi image format support 1935 vvfat vvfat image format support 1936 qed qed image format support 1937 parallels parallels image format support 1938 crypto-afalg Linux AF_ALG crypto backend driver 1939 capstone capstone disassembler support 1940 debug-mutex mutex debugging support 1941 libpmem libpmem support 1942 xkbcommon xkbcommon support 1943 rng-none dummy RNG, avoid using /dev/(u)random and getrandom() 1944 libdaxctl libdaxctl support 1945 fuse FUSE block device export 1946 fuse-lseek SEEK_HOLE/SEEK_DATA support for FUSE exports 1947 multiprocess Out of process device emulation support 1948 gio libgio support 1949 slirp-smbd use smbd (at path --smbd=*) in slirp networking 1950 1951NOTE: The object files are built at the place where configure is launched 1952EOF 1953exit 0 1954fi 1955 1956# Remove old dependency files to make sure that they get properly regenerated 1957rm -f */config-devices.mak.d 1958 1959if test -z "$python" 1960then 1961 error_exit "Python not found. Use --python=/path/to/python" 1962fi 1963if ! has "$make" 1964then 1965 error_exit "GNU make ($make) not found" 1966fi 1967 1968# Note that if the Python conditional here evaluates True we will exit 1969# with status 1 which is a shell 'false' value. 1970if ! $python -c 'import sys; sys.exit(sys.version_info < (3,6))'; then 1971 error_exit "Cannot use '$python', Python >= 3.6 is required." \ 1972 "Use --python=/path/to/python to specify a supported Python." 1973fi 1974 1975# Preserve python version since some functionality is dependent on it 1976python_version=$($python -c 'import sys; print("%d.%d.%d" % (sys.version_info[0], sys.version_info[1], sys.version_info[2]))' 2>/dev/null) 1977 1978# Suppress writing compiled files 1979python="$python -B" 1980 1981if test -z "$meson"; then 1982 if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.55.3; then 1983 meson=meson 1984 elif test $git_submodules_action != 'ignore' ; then 1985 meson=git 1986 elif test -e "${source_path}/meson/meson.py" ; then 1987 meson=internal 1988 else 1989 if test "$explicit_python" = yes; then 1990 error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found." 1991 else 1992 error_exit "Meson not found. Use --meson=/path/to/meson" 1993 fi 1994 fi 1995else 1996 # Meson uses its own Python interpreter to invoke other Python scripts, 1997 # but the user wants to use the one they specified with --python. 1998 # 1999 # We do not want to override the distro Python interpreter (and sometimes 2000 # cannot: for example in Homebrew /usr/bin/meson is a bash script), so 2001 # just require --meson=git|internal together with --python. 2002 if test "$explicit_python" = yes; then 2003 case "$meson" in 2004 git | internal) ;; 2005 *) error_exit "--python requires using QEMU's embedded Meson distribution." ;; 2006 esac 2007 fi 2008fi 2009 2010if test "$meson" = git; then 2011 git_submodules="${git_submodules} meson" 2012fi 2013 2014case "$meson" in 2015 git | internal) 2016 meson="$python ${source_path}/meson/meson.py" 2017 ;; 2018 *) meson=$(command -v "$meson") ;; 2019esac 2020 2021# Probe for ninja 2022 2023if test -z "$ninja"; then 2024 for c in ninja ninja-build samu; do 2025 if has $c; then 2026 ninja=$(command -v "$c") 2027 break 2028 fi 2029 done 2030 if test -z "$ninja"; then 2031 error_exit "Cannot find Ninja" 2032 fi 2033fi 2034 2035# Check that the C compiler works. Doing this here before testing 2036# the host CPU ensures that we had a valid CC to autodetect the 2037# $cpu var (and we should bail right here if that's not the case). 2038# It also allows the help message to be printed without a CC. 2039write_c_skeleton; 2040if compile_object ; then 2041 : C compiler works ok 2042else 2043 error_exit "\"$cc\" either does not exist or does not work" 2044fi 2045if ! compile_prog ; then 2046 error_exit "\"$cc\" cannot build an executable (is your linker broken?)" 2047fi 2048 2049# Consult white-list to determine whether to enable werror 2050# by default. Only enable by default for git builds 2051if test -z "$werror" ; then 2052 if test "$git_submodules_action" != "ignore" && \ 2053 { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then 2054 werror="yes" 2055 else 2056 werror="no" 2057 fi 2058fi 2059 2060if test "$targetos" = "bogus"; then 2061 # Now that we know that we're not printing the help and that 2062 # the compiler works (so the results of the check_defines we used 2063 # to identify the OS are reliable), if we didn't recognize the 2064 # host OS we should stop now. 2065 error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')" 2066fi 2067 2068# Check whether the compiler matches our minimum requirements: 2069cat > $TMPC << EOF 2070#if defined(__clang_major__) && defined(__clang_minor__) 2071# ifdef __apple_build_version__ 2072# if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0) 2073# error You need at least XCode Clang v10.0 to compile QEMU 2074# endif 2075# else 2076# if __clang_major__ < 6 || (__clang_major__ == 6 && __clang_minor__ < 0) 2077# error You need at least Clang v6.0 to compile QEMU 2078# endif 2079# endif 2080#elif defined(__GNUC__) && defined(__GNUC_MINOR__) 2081# if __GNUC__ < 7 || (__GNUC__ == 7 && __GNUC_MINOR__ < 5) 2082# error You need at least GCC v7.5.0 to compile QEMU 2083# endif 2084#else 2085# error You either need GCC or Clang to compiler QEMU 2086#endif 2087int main (void) { return 0; } 2088EOF 2089if ! compile_prog "" "" ; then 2090 error_exit "You need at least GCC v7.5 or Clang v6.0 (or XCode Clang v10.0)" 2091fi 2092 2093# Accumulate -Wfoo and -Wno-bar separately. 2094# We will list all of the enable flags first, and the disable flags second. 2095# Note that we do not add -Werror, because that would enable it for all 2096# configure tests. If a configure test failed due to -Werror this would 2097# just silently disable some features, so it's too error prone. 2098 2099warn_flags= 2100add_to warn_flags -Wold-style-declaration 2101add_to warn_flags -Wold-style-definition 2102add_to warn_flags -Wtype-limits 2103add_to warn_flags -Wformat-security 2104add_to warn_flags -Wformat-y2k 2105add_to warn_flags -Winit-self 2106add_to warn_flags -Wignored-qualifiers 2107add_to warn_flags -Wempty-body 2108add_to warn_flags -Wnested-externs 2109add_to warn_flags -Wendif-labels 2110add_to warn_flags -Wexpansion-to-defined 2111add_to warn_flags -Wimplicit-fallthrough=2 2112 2113nowarn_flags= 2114add_to nowarn_flags -Wno-initializer-overrides 2115add_to nowarn_flags -Wno-missing-include-dirs 2116add_to nowarn_flags -Wno-shift-negative-value 2117add_to nowarn_flags -Wno-string-plus-int 2118add_to nowarn_flags -Wno-typedef-redefinition 2119add_to nowarn_flags -Wno-tautological-type-limit-compare 2120add_to nowarn_flags -Wno-psabi 2121 2122gcc_flags="$warn_flags $nowarn_flags" 2123 2124cc_has_warning_flag() { 2125 write_c_skeleton; 2126 2127 # Use the positive sense of the flag when testing for -Wno-wombat 2128 # support (gcc will happily accept the -Wno- form of unknown 2129 # warning options). 2130 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')" 2131 compile_prog "-Werror $optflag" "" 2132} 2133 2134for flag in $gcc_flags; do 2135 if cc_has_warning_flag $flag ; then 2136 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 2137 fi 2138done 2139 2140if test "$stack_protector" != "no"; then 2141 cat > $TMPC << EOF 2142int main(int argc, char *argv[]) 2143{ 2144 char arr[64], *p = arr, *c = argv[0]; 2145 while (*c) { 2146 *p++ = *c++; 2147 } 2148 return 0; 2149} 2150EOF 2151 gcc_flags="-fstack-protector-strong -fstack-protector-all" 2152 sp_on=0 2153 for flag in $gcc_flags; do 2154 # We need to check both a compile and a link, since some compiler 2155 # setups fail only on a .c->.o compile and some only at link time 2156 if compile_object "-Werror $flag" && 2157 compile_prog "-Werror $flag" ""; then 2158 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 2159 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 2160 sp_on=1 2161 break 2162 fi 2163 done 2164 if test "$stack_protector" = yes; then 2165 if test $sp_on = 0; then 2166 error_exit "Stack protector not supported" 2167 fi 2168 fi 2169fi 2170 2171# Disable -Wmissing-braces on older compilers that warn even for 2172# the "universal" C zero initializer {0}. 2173cat > $TMPC << EOF 2174struct { 2175 int a[2]; 2176} x = {0}; 2177EOF 2178if compile_object "-Werror" "" ; then 2179 : 2180else 2181 QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces" 2182fi 2183 2184# Our module code doesn't support Windows 2185if test "$modules" = "yes" && test "$mingw32" = "yes" ; then 2186 error_exit "Modules are not available for Windows" 2187fi 2188 2189# module_upgrades is only reasonable if modules are enabled 2190if test "$modules" = "no" && test "$module_upgrades" = "yes" ; then 2191 error_exit "Can't enable module-upgrades as Modules are not enabled" 2192fi 2193 2194# Static linking is not possible with modules or PIE 2195if test "$static" = "yes" ; then 2196 if test "$modules" = "yes" ; then 2197 error_exit "static and modules are mutually incompatible" 2198 fi 2199fi 2200 2201# Unconditional check for compiler __thread support 2202 cat > $TMPC << EOF 2203static __thread int tls_var; 2204int main(void) { return tls_var; } 2205EOF 2206 2207if ! compile_prog "-Werror" "" ; then 2208 error_exit "Your compiler does not support the __thread specifier for " \ 2209 "Thread-Local Storage (TLS). Please upgrade to a version that does." 2210fi 2211 2212cat > $TMPC << EOF 2213 2214#ifdef __linux__ 2215# define THREAD __thread 2216#else 2217# define THREAD 2218#endif 2219static THREAD int tls_var; 2220int main(void) { return tls_var; } 2221EOF 2222 2223# Check we support --no-pie first; we will need this for building ROMs. 2224if compile_prog "-Werror -fno-pie" "-no-pie"; then 2225 CFLAGS_NOPIE="-fno-pie" 2226fi 2227 2228if test "$static" = "yes"; then 2229 if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then 2230 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" 2231 QEMU_LDFLAGS="-static-pie $QEMU_LDFLAGS" 2232 pie="yes" 2233 elif test "$pie" = "yes"; then 2234 error_exit "-static-pie not available due to missing toolchain support" 2235 else 2236 QEMU_LDFLAGS="-static $QEMU_LDFLAGS" 2237 pie="no" 2238 fi 2239elif test "$pie" = "no"; then 2240 CONFIGURE_CFLAGS="$CFLAGS_NOPIE $CONFIGURE_CFLAGS" 2241elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then 2242 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" 2243 CONFIGURE_LDFLAGS="-pie $CONFIGURE_LDFLAGS" 2244 pie="yes" 2245elif test "$pie" = "yes"; then 2246 error_exit "PIE not available due to missing toolchain support" 2247else 2248 echo "Disabling PIE due to missing toolchain support" 2249 pie="no" 2250fi 2251 2252# Detect support for PT_GNU_RELRO + DT_BIND_NOW. 2253# The combination is known as "full relro", because .got.plt is read-only too. 2254if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then 2255 QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS" 2256fi 2257 2258########################################## 2259# __sync_fetch_and_and requires at least -march=i486. Many toolchains 2260# use i686 as default anyway, but for those that don't, an explicit 2261# specification is necessary 2262 2263if test "$cpu" = "i386"; then 2264 cat > $TMPC << EOF 2265static int sfaa(int *ptr) 2266{ 2267 return __sync_fetch_and_and(ptr, 0); 2268} 2269 2270int main(void) 2271{ 2272 int val = 42; 2273 val = __sync_val_compare_and_swap(&val, 0, 1); 2274 sfaa(&val); 2275 return val; 2276} 2277EOF 2278 if ! compile_prog "" "" ; then 2279 QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS" 2280 fi 2281fi 2282 2283######################################### 2284# Solaris specific configure tool chain decisions 2285 2286if test "$solaris" = "yes" ; then 2287 if has ar; then 2288 : 2289 else 2290 if test -f /usr/ccs/bin/ar ; then 2291 error_exit "No path includes ar" \ 2292 "Add /usr/ccs/bin to your path and rerun configure" 2293 fi 2294 error_exit "No path includes ar" 2295 fi 2296fi 2297 2298if test "$tcg" = "enabled"; then 2299 git_submodules="$git_submodules tests/fp/berkeley-testfloat-3" 2300 git_submodules="$git_submodules tests/fp/berkeley-softfloat-3" 2301fi 2302 2303if test -z "${target_list+xxx}" ; then 2304 default_targets=yes 2305 for target in $default_target_list; do 2306 target_list="$target_list $target" 2307 done 2308 target_list="${target_list# }" 2309else 2310 default_targets=no 2311 target_list=$(echo "$target_list" | sed -e 's/,/ /g') 2312 for target in $target_list; do 2313 # Check that we recognised the target name; this allows a more 2314 # friendly error message than if we let it fall through. 2315 case " $default_target_list " in 2316 *" $target "*) 2317 ;; 2318 *) 2319 error_exit "Unknown target name '$target'" 2320 ;; 2321 esac 2322 done 2323fi 2324 2325for target in $target_list; do 2326 # if a deprecated target is enabled we note it here 2327 if echo "$deprecated_targets_list" | grep -q "$target"; then 2328 add_to deprecated_features $target 2329 fi 2330done 2331 2332# see if system emulation was really requested 2333case " $target_list " in 2334 *"-softmmu "*) softmmu=yes 2335 ;; 2336 *) softmmu=no 2337 ;; 2338esac 2339 2340feature_not_found() { 2341 feature=$1 2342 remedy=$2 2343 2344 error_exit "User requested feature $feature" \ 2345 "configure was not able to find it." \ 2346 "$remedy" 2347} 2348 2349# --- 2350# big/little endian test 2351cat > $TMPC << EOF 2352short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, }; 2353short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, }; 2354extern int foo(short *, short *); 2355int main(int argc, char *argv[]) { 2356 return foo(big_endian, little_endian); 2357} 2358EOF 2359 2360if compile_object ; then 2361 if strings -a $TMPO | grep -q BiGeNdIaN ; then 2362 bigendian="yes" 2363 elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then 2364 bigendian="no" 2365 else 2366 echo big/little test failed 2367 fi 2368else 2369 echo big/little test failed 2370fi 2371 2372########################################## 2373# system tools 2374if test -z "$want_tools"; then 2375 if test "$softmmu" = "no"; then 2376 want_tools=no 2377 else 2378 want_tools=yes 2379 fi 2380fi 2381 2382########################################## 2383# Disable features only meaningful for system-mode emulation 2384if test "$softmmu" = "no"; then 2385 audio_drv_list="" 2386fi 2387 2388########################################## 2389# L2TPV3 probe 2390 2391cat > $TMPC <<EOF 2392#include <sys/socket.h> 2393#include <linux/ip.h> 2394int main(void) { return sizeof(struct mmsghdr); } 2395EOF 2396if compile_prog "" "" ; then 2397 l2tpv3=yes 2398else 2399 l2tpv3=no 2400fi 2401 2402cat > $TMPC <<EOF 2403#include <sys/mman.h> 2404int main(int argc, char *argv[]) { 2405 return mlockall(MCL_FUTURE); 2406} 2407EOF 2408if compile_prog "" "" ; then 2409 have_mlockall=yes 2410else 2411 have_mlockall=no 2412fi 2413 2414######################################### 2415# vhost interdependencies and host support 2416 2417# vhost backends 2418if test "$vhost_user" = "yes" && test "$linux" != "yes"; then 2419 error_exit "vhost-user is only available on Linux" 2420fi 2421test "$vhost_vdpa" = "" && vhost_vdpa=$linux 2422if test "$vhost_vdpa" = "yes" && test "$linux" != "yes"; then 2423 error_exit "vhost-vdpa is only available on Linux" 2424fi 2425test "$vhost_kernel" = "" && vhost_kernel=$linux 2426if test "$vhost_kernel" = "yes" && test "$linux" != "yes"; then 2427 error_exit "vhost-kernel is only available on Linux" 2428fi 2429 2430# vhost-kernel devices 2431test "$vhost_scsi" = "" && vhost_scsi=$vhost_kernel 2432if test "$vhost_scsi" = "yes" && test "$vhost_kernel" != "yes"; then 2433 error_exit "--enable-vhost-scsi requires --enable-vhost-kernel" 2434fi 2435test "$vhost_vsock" = "" && vhost_vsock=$vhost_kernel 2436if test "$vhost_vsock" = "yes" && test "$vhost_kernel" != "yes"; then 2437 error_exit "--enable-vhost-vsock requires --enable-vhost-kernel" 2438fi 2439 2440# vhost-user backends 2441test "$vhost_net_user" = "" && vhost_net_user=$vhost_user 2442if test "$vhost_net_user" = "yes" && test "$vhost_user" = "no"; then 2443 error_exit "--enable-vhost-net-user requires --enable-vhost-user" 2444fi 2445test "$vhost_crypto" = "" && vhost_crypto=$vhost_user 2446if test "$vhost_crypto" = "yes" && test "$vhost_user" = "no"; then 2447 error_exit "--enable-vhost-crypto requires --enable-vhost-user" 2448fi 2449test "$vhost_user_fs" = "" && vhost_user_fs=$vhost_user 2450if test "$vhost_user_fs" = "yes" && test "$vhost_user" = "no"; then 2451 error_exit "--enable-vhost-user-fs requires --enable-vhost-user" 2452fi 2453#vhost-vdpa backends 2454test "$vhost_net_vdpa" = "" && vhost_net_vdpa=$vhost_vdpa 2455if test "$vhost_net_vdpa" = "yes" && test "$vhost_vdpa" = "no"; then 2456 error_exit "--enable-vhost-net-vdpa requires --enable-vhost-vdpa" 2457fi 2458 2459# OR the vhost-kernel, vhost-vdpa and vhost-user values for simplicity 2460if test "$vhost_net" = ""; then 2461 test "$vhost_net_user" = "yes" && vhost_net=yes 2462 test "$vhost_net_vdpa" = "yes" && vhost_net=yes 2463 test "$vhost_kernel" = "yes" && vhost_net=yes 2464fi 2465 2466########################################## 2467# pkg-config probe 2468 2469if ! has "$pkg_config_exe"; then 2470 error_exit "pkg-config binary '$pkg_config_exe' not found" 2471fi 2472 2473########################################## 2474# NPTL probe 2475 2476if test "$linux_user" = "yes"; then 2477 cat > $TMPC <<EOF 2478#include <sched.h> 2479#include <linux/futex.h> 2480int main(void) { 2481#if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT) 2482#error bork 2483#endif 2484 return 0; 2485} 2486EOF 2487 if ! compile_object ; then 2488 feature_not_found "nptl" "Install glibc and linux kernel headers." 2489 fi 2490fi 2491 2492########################################## 2493# xen probe 2494 2495if test "$xen" != "disabled" ; then 2496 # Check whether Xen library path is specified via --extra-ldflags to avoid 2497 # overriding this setting with pkg-config output. If not, try pkg-config 2498 # to obtain all needed flags. 2499 2500 if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \ 2501 $pkg_config --exists xencontrol ; then 2502 xen_ctrl_version="$(printf '%d%02d%02d' \ 2503 $($pkg_config --modversion xencontrol | sed 's/\./ /g') )" 2504 xen=enabled 2505 xen_pc="xencontrol xenstore xenforeignmemory xengnttab" 2506 xen_pc="$xen_pc xenevtchn xendevicemodel" 2507 if $pkg_config --exists xentoolcore; then 2508 xen_pc="$xen_pc xentoolcore" 2509 fi 2510 xen_cflags="$($pkg_config --cflags $xen_pc)" 2511 xen_libs="$($pkg_config --libs $xen_pc)" 2512 else 2513 2514 xen_libs="-lxenstore -lxenctrl" 2515 xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn" 2516 2517 # First we test whether Xen headers and libraries are available. 2518 # If no, we are done and there is no Xen support. 2519 # If yes, more tests are run to detect the Xen version. 2520 2521 # Xen (any) 2522 cat > $TMPC <<EOF 2523#include <xenctrl.h> 2524int main(void) { 2525 return 0; 2526} 2527EOF 2528 if ! compile_prog "" "$xen_libs" ; then 2529 # Xen not found 2530 if test "$xen" = "enabled" ; then 2531 feature_not_found "xen" "Install xen devel" 2532 fi 2533 xen=disabled 2534 2535 # Xen unstable 2536 elif 2537 cat > $TMPC <<EOF && 2538#undef XC_WANT_COMPAT_DEVICEMODEL_API 2539#define __XEN_TOOLS__ 2540#include <xendevicemodel.h> 2541#include <xenforeignmemory.h> 2542int main(void) { 2543 xendevicemodel_handle *xd; 2544 xenforeignmemory_handle *xfmem; 2545 2546 xd = xendevicemodel_open(0, 0); 2547 xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0); 2548 2549 xfmem = xenforeignmemory_open(0, 0); 2550 xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0); 2551 2552 return 0; 2553} 2554EOF 2555 compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore" 2556 then 2557 xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore" 2558 xen_ctrl_version=41100 2559 xen=enabled 2560 elif 2561 cat > $TMPC <<EOF && 2562#undef XC_WANT_COMPAT_MAP_FOREIGN_API 2563#include <xenforeignmemory.h> 2564#include <xentoolcore.h> 2565int main(void) { 2566 xenforeignmemory_handle *xfmem; 2567 2568 xfmem = xenforeignmemory_open(0, 0); 2569 xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0); 2570 xentoolcore_restrict_all(0); 2571 2572 return 0; 2573} 2574EOF 2575 compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore" 2576 then 2577 xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore" 2578 xen_ctrl_version=41000 2579 xen=enabled 2580 elif 2581 cat > $TMPC <<EOF && 2582#undef XC_WANT_COMPAT_DEVICEMODEL_API 2583#define __XEN_TOOLS__ 2584#include <xendevicemodel.h> 2585int main(void) { 2586 xendevicemodel_handle *xd; 2587 2588 xd = xendevicemodel_open(0, 0); 2589 xendevicemodel_close(xd); 2590 2591 return 0; 2592} 2593EOF 2594 compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs" 2595 then 2596 xen_stable_libs="-lxendevicemodel $xen_stable_libs" 2597 xen_ctrl_version=40900 2598 xen=enabled 2599 elif 2600 cat > $TMPC <<EOF && 2601/* 2602 * If we have stable libs the we don't want the libxc compat 2603 * layers, regardless of what CFLAGS we may have been given. 2604 * 2605 * Also, check if xengnttab_grant_copy_segment_t is defined and 2606 * grant copy operation is implemented. 2607 */ 2608#undef XC_WANT_COMPAT_EVTCHN_API 2609#undef XC_WANT_COMPAT_GNTTAB_API 2610#undef XC_WANT_COMPAT_MAP_FOREIGN_API 2611#include <xenctrl.h> 2612#include <xenstore.h> 2613#include <xenevtchn.h> 2614#include <xengnttab.h> 2615#include <xenforeignmemory.h> 2616#include <stdint.h> 2617#include <xen/hvm/hvm_info_table.h> 2618#if !defined(HVM_MAX_VCPUS) 2619# error HVM_MAX_VCPUS not defined 2620#endif 2621int main(void) { 2622 xc_interface *xc = NULL; 2623 xenforeignmemory_handle *xfmem; 2624 xenevtchn_handle *xe; 2625 xengnttab_handle *xg; 2626 xengnttab_grant_copy_segment_t* seg = NULL; 2627 2628 xs_daemon_open(); 2629 2630 xc = xc_interface_open(0, 0, 0); 2631 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); 2632 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); 2633 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); 2634 xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL); 2635 2636 xfmem = xenforeignmemory_open(0, 0); 2637 xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0); 2638 2639 xe = xenevtchn_open(0, 0); 2640 xenevtchn_fd(xe); 2641 2642 xg = xengnttab_open(0, 0); 2643 xengnttab_grant_copy(xg, 0, seg); 2644 2645 return 0; 2646} 2647EOF 2648 compile_prog "" "$xen_libs $xen_stable_libs" 2649 then 2650 xen_ctrl_version=40800 2651 xen=enabled 2652 elif 2653 cat > $TMPC <<EOF && 2654/* 2655 * If we have stable libs the we don't want the libxc compat 2656 * layers, regardless of what CFLAGS we may have been given. 2657 */ 2658#undef XC_WANT_COMPAT_EVTCHN_API 2659#undef XC_WANT_COMPAT_GNTTAB_API 2660#undef XC_WANT_COMPAT_MAP_FOREIGN_API 2661#include <xenctrl.h> 2662#include <xenstore.h> 2663#include <xenevtchn.h> 2664#include <xengnttab.h> 2665#include <xenforeignmemory.h> 2666#include <stdint.h> 2667#include <xen/hvm/hvm_info_table.h> 2668#if !defined(HVM_MAX_VCPUS) 2669# error HVM_MAX_VCPUS not defined 2670#endif 2671int main(void) { 2672 xc_interface *xc = NULL; 2673 xenforeignmemory_handle *xfmem; 2674 xenevtchn_handle *xe; 2675 xengnttab_handle *xg; 2676 2677 xs_daemon_open(); 2678 2679 xc = xc_interface_open(0, 0, 0); 2680 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); 2681 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); 2682 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); 2683 xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL); 2684 2685 xfmem = xenforeignmemory_open(0, 0); 2686 xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0); 2687 2688 xe = xenevtchn_open(0, 0); 2689 xenevtchn_fd(xe); 2690 2691 xg = xengnttab_open(0, 0); 2692 xengnttab_map_grant_ref(xg, 0, 0, 0); 2693 2694 return 0; 2695} 2696EOF 2697 compile_prog "" "$xen_libs $xen_stable_libs" 2698 then 2699 xen_ctrl_version=40701 2700 xen=enabled 2701 2702 # Xen 4.6 2703 elif 2704 cat > $TMPC <<EOF && 2705#include <xenctrl.h> 2706#include <xenstore.h> 2707#include <stdint.h> 2708#include <xen/hvm/hvm_info_table.h> 2709#if !defined(HVM_MAX_VCPUS) 2710# error HVM_MAX_VCPUS not defined 2711#endif 2712int main(void) { 2713 xc_interface *xc; 2714 xs_daemon_open(); 2715 xc = xc_interface_open(0, 0, 0); 2716 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); 2717 xc_gnttab_open(NULL, 0); 2718 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); 2719 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); 2720 xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL); 2721 xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0); 2722 return 0; 2723} 2724EOF 2725 compile_prog "" "$xen_libs" 2726 then 2727 xen_ctrl_version=40600 2728 xen=enabled 2729 2730 # Xen 4.5 2731 elif 2732 cat > $TMPC <<EOF && 2733#include <xenctrl.h> 2734#include <xenstore.h> 2735#include <stdint.h> 2736#include <xen/hvm/hvm_info_table.h> 2737#if !defined(HVM_MAX_VCPUS) 2738# error HVM_MAX_VCPUS not defined 2739#endif 2740int main(void) { 2741 xc_interface *xc; 2742 xs_daemon_open(); 2743 xc = xc_interface_open(0, 0, 0); 2744 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); 2745 xc_gnttab_open(NULL, 0); 2746 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); 2747 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); 2748 xc_hvm_create_ioreq_server(xc, 0, 0, NULL); 2749 return 0; 2750} 2751EOF 2752 compile_prog "" "$xen_libs" 2753 then 2754 xen_ctrl_version=40500 2755 xen=enabled 2756 2757 elif 2758 cat > $TMPC <<EOF && 2759#include <xenctrl.h> 2760#include <xenstore.h> 2761#include <stdint.h> 2762#include <xen/hvm/hvm_info_table.h> 2763#if !defined(HVM_MAX_VCPUS) 2764# error HVM_MAX_VCPUS not defined 2765#endif 2766int main(void) { 2767 xc_interface *xc; 2768 xs_daemon_open(); 2769 xc = xc_interface_open(0, 0, 0); 2770 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); 2771 xc_gnttab_open(NULL, 0); 2772 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); 2773 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); 2774 return 0; 2775} 2776EOF 2777 compile_prog "" "$xen_libs" 2778 then 2779 xen_ctrl_version=40200 2780 xen=enabled 2781 2782 else 2783 if test "$xen" = "enabled" ; then 2784 feature_not_found "xen (unsupported version)" \ 2785 "Install a supported xen (xen 4.2 or newer)" 2786 fi 2787 xen=disabled 2788 fi 2789 2790 if test "$xen" = enabled; then 2791 if test $xen_ctrl_version -ge 40701 ; then 2792 xen_libs="$xen_libs $xen_stable_libs " 2793 fi 2794 fi 2795 fi 2796fi 2797 2798########################################## 2799# RDMA needs OpenFabrics libraries 2800if test "$rdma" != "no" ; then 2801 cat > $TMPC <<EOF 2802#include <rdma/rdma_cma.h> 2803int main(void) { return 0; } 2804EOF 2805 rdma_libs="-lrdmacm -libverbs -libumad" 2806 if compile_prog "" "$rdma_libs" ; then 2807 rdma="yes" 2808 else 2809 if test "$rdma" = "yes" ; then 2810 error_exit \ 2811 " OpenFabrics librdmacm/libibverbs/libibumad not present." \ 2812 " Your options:" \ 2813 " (1) Fast: Install infiniband packages (devel) from your distro." \ 2814 " (2) Cleanest: Install libraries from www.openfabrics.org" \ 2815 " (3) Also: Install softiwarp if you don't have RDMA hardware" 2816 fi 2817 rdma="no" 2818 fi 2819fi 2820 2821########################################## 2822# PVRDMA detection 2823 2824cat > $TMPC <<EOF && 2825#include <sys/mman.h> 2826 2827int 2828main(void) 2829{ 2830 char buf = 0; 2831 void *addr = &buf; 2832 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED); 2833 2834 return 0; 2835} 2836EOF 2837 2838if test "$rdma" = "yes" ; then 2839 case "$pvrdma" in 2840 "") 2841 if compile_prog "" ""; then 2842 pvrdma="yes" 2843 else 2844 pvrdma="no" 2845 fi 2846 ;; 2847 "yes") 2848 if ! compile_prog "" ""; then 2849 error_exit "PVRDMA is not supported since mremap is not implemented" 2850 fi 2851 pvrdma="yes" 2852 ;; 2853 "no") 2854 pvrdma="no" 2855 ;; 2856 esac 2857else 2858 if test "$pvrdma" = "yes" ; then 2859 error_exit "PVRDMA requires rdma suppport" 2860 fi 2861 pvrdma="no" 2862fi 2863 2864# Let's see if enhanced reg_mr is supported 2865if test "$pvrdma" = "yes" ; then 2866 2867cat > $TMPC <<EOF && 2868#include <infiniband/verbs.h> 2869 2870int 2871main(void) 2872{ 2873 struct ibv_mr *mr; 2874 struct ibv_pd *pd = NULL; 2875 size_t length = 10; 2876 uint64_t iova = 0; 2877 int access = 0; 2878 void *addr = NULL; 2879 2880 mr = ibv_reg_mr_iova(pd, addr, length, iova, access); 2881 2882 ibv_dereg_mr(mr); 2883 2884 return 0; 2885} 2886EOF 2887 if ! compile_prog "" "-libverbs"; then 2888 QEMU_CFLAGS="$QEMU_CFLAGS -DLEGACY_RDMA_REG_MR" 2889 fi 2890fi 2891 2892########################################## 2893# xfsctl() probe, used for file-posix.c 2894if test "$xfs" != "no" ; then 2895 cat > $TMPC << EOF 2896#include <stddef.h> /* NULL */ 2897#include <xfs/xfs.h> 2898int main(void) 2899{ 2900 xfsctl(NULL, 0, 0, NULL); 2901 return 0; 2902} 2903EOF 2904 if compile_prog "" "" ; then 2905 xfs="yes" 2906 else 2907 if test "$xfs" = "yes" ; then 2908 feature_not_found "xfs" "Install xfsprogs/xfslibs devel" 2909 fi 2910 xfs=no 2911 fi 2912fi 2913 2914########################################## 2915# vde libraries probe 2916if test "$vde" != "no" ; then 2917 vde_libs="-lvdeplug" 2918 cat > $TMPC << EOF 2919#include <libvdeplug.h> 2920int main(void) 2921{ 2922 struct vde_open_args a = {0, 0, 0}; 2923 char s[] = ""; 2924 vde_open(s, s, &a); 2925 return 0; 2926} 2927EOF 2928 if compile_prog "" "$vde_libs" ; then 2929 vde=yes 2930 else 2931 if test "$vde" = "yes" ; then 2932 feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel" 2933 fi 2934 vde=no 2935 fi 2936fi 2937 2938########################################## 2939# netmap support probe 2940# Apart from looking for netmap headers, we make sure that the host API version 2941# supports the netmap backend (>=11). The upper bound (15) is meant to simulate 2942# a minor/major version number. Minor new features will be marked with values up 2943# to 15, and if something happens that requires a change to the backend we will 2944# move above 15, submit the backend fixes and modify this two bounds. 2945if test "$netmap" != "no" ; then 2946 cat > $TMPC << EOF 2947#include <inttypes.h> 2948#include <net/if.h> 2949#include <net/netmap.h> 2950#include <net/netmap_user.h> 2951#if (NETMAP_API < 11) || (NETMAP_API > 15) 2952#error 2953#endif 2954int main(void) { return 0; } 2955EOF 2956 if compile_prog "" "" ; then 2957 netmap=yes 2958 else 2959 if test "$netmap" = "yes" ; then 2960 feature_not_found "netmap" 2961 fi 2962 netmap=no 2963 fi 2964fi 2965 2966########################################## 2967# detect CoreAudio 2968if test "$coreaudio" != "no" ; then 2969 coreaudio_libs="-framework CoreAudio" 2970 cat > $TMPC << EOF 2971#include <CoreAudio/CoreAudio.h> 2972int main(void) 2973{ 2974 return (int)AudioGetCurrentHostTime(); 2975} 2976EOF 2977 if compile_prog "" "$coreaudio_libs" ; then 2978 coreaudio=yes 2979 else 2980 coreaudio=no 2981 fi 2982fi 2983 2984########################################## 2985# Sound support libraries probe 2986 2987audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g') 2988for drv in $audio_drv_list; do 2989 case $drv in 2990 alsa | try-alsa) 2991 if $pkg_config alsa --exists; then 2992 alsa_libs=$($pkg_config alsa --libs) 2993 alsa_cflags=$($pkg_config alsa --cflags) 2994 alsa=yes 2995 if test "$drv" = "try-alsa"; then 2996 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/') 2997 fi 2998 else 2999 if test "$drv" = "try-alsa"; then 3000 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//') 3001 else 3002 error_exit "$drv check failed" \ 3003 "Make sure to have the $drv libs and headers installed." 3004 fi 3005 fi 3006 ;; 3007 3008 pa | try-pa) 3009 if $pkg_config libpulse --exists; then 3010 libpulse=yes 3011 pulse_libs=$($pkg_config libpulse --libs) 3012 pulse_cflags=$($pkg_config libpulse --cflags) 3013 if test "$drv" = "try-pa"; then 3014 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/') 3015 fi 3016 else 3017 if test "$drv" = "try-pa"; then 3018 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//') 3019 else 3020 error_exit "$drv check failed" \ 3021 "Make sure to have the $drv libs and headers installed." 3022 fi 3023 fi 3024 ;; 3025 3026 sdl) 3027 if test "$sdl" = "no"; then 3028 error_exit "sdl not found or disabled, can not use sdl audio driver" 3029 fi 3030 ;; 3031 3032 try-sdl) 3033 if test "$sdl" = "no"; then 3034 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//') 3035 else 3036 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/') 3037 fi 3038 ;; 3039 3040 coreaudio | try-coreaudio) 3041 if test "$coreaudio" = "no"; then 3042 if test "$drv" = "try-coreaudio"; then 3043 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-coreaudio//') 3044 else 3045 error_exit "$drv check failed" \ 3046 "Make sure to have the $drv is available." 3047 fi 3048 else 3049 coreaudio_libs="-framework CoreAudio" 3050 if test "$drv" = "try-coreaudio"; then 3051 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-coreaudio/coreaudio/') 3052 fi 3053 fi 3054 ;; 3055 3056 dsound) 3057 dsound_libs="-lole32 -ldxguid" 3058 audio_win_int="yes" 3059 ;; 3060 3061 oss) 3062 oss_libs="$oss_lib" 3063 ;; 3064 3065 jack | try-jack) 3066 if $pkg_config jack --exists; then 3067 libjack=yes 3068 jack_libs=$($pkg_config jack --libs) 3069 if test "$drv" = "try-jack"; then 3070 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack/jack/') 3071 fi 3072 else 3073 if test "$drv" = "try-jack"; then 3074 audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack//') 3075 else 3076 error_exit "$drv check failed" \ 3077 "Make sure to have the $drv libs and headers installed." 3078 fi 3079 fi 3080 ;; 3081 3082 *) 3083 echo "$audio_possible_drivers" | grep -q "\<$drv\>" || { 3084 error_exit "Unknown driver '$drv' selected" \ 3085 "Possible drivers are: $audio_possible_drivers" 3086 } 3087 ;; 3088 esac 3089done 3090 3091########################################## 3092# glib support probe 3093 3094glib_req_ver=2.56 3095glib_modules=gthread-2.0 3096if test "$modules" = yes; then 3097 glib_modules="$glib_modules gmodule-export-2.0" 3098fi 3099if test "$plugins" = yes; then 3100 glib_modules="$glib_modules gmodule-2.0" 3101fi 3102 3103for i in $glib_modules; do 3104 if $pkg_config --atleast-version=$glib_req_ver $i; then 3105 glib_cflags=$($pkg_config --cflags $i) 3106 glib_libs=$($pkg_config --libs $i) 3107 else 3108 error_exit "glib-$glib_req_ver $i is required to compile QEMU" 3109 fi 3110done 3111 3112# This workaround is required due to a bug in pkg-config file for glib as it 3113# doesn't define GLIB_STATIC_COMPILATION for pkg-config --static 3114 3115if test "$static" = yes && test "$mingw32" = yes; then 3116 glib_cflags="-DGLIB_STATIC_COMPILATION $glib_cflags" 3117fi 3118 3119if ! test "$gio" = "no"; then 3120 pass=no 3121 if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then 3122 gio_cflags=$($pkg_config --cflags gio-2.0) 3123 gio_libs=$($pkg_config --libs gio-2.0) 3124 gdbus_codegen=$($pkg_config --variable=gdbus_codegen gio-2.0) 3125 if ! has "$gdbus_codegen"; then 3126 gdbus_codegen= 3127 fi 3128 # Check that the libraries actually work -- Ubuntu 18.04 ships 3129 # with pkg-config --static --libs data for gio-2.0 that is missing 3130 # -lblkid and will give a link error. 3131 cat > $TMPC <<EOF 3132#include <gio/gio.h> 3133int main(void) 3134{ 3135 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0); 3136 return 0; 3137} 3138EOF 3139 if compile_prog "$gio_cflags" "$gio_libs" ; then 3140 pass=yes 3141 else 3142 pass=no 3143 fi 3144 3145 if test "$pass" = "yes" && 3146 $pkg_config --atleast-version=$glib_req_ver gio-unix-2.0; then 3147 gio_cflags="$gio_cflags $($pkg_config --cflags gio-unix-2.0)" 3148 gio_libs="$gio_libs $($pkg_config --libs gio-unix-2.0)" 3149 fi 3150 fi 3151 3152 if test "$pass" = "no"; then 3153 if test "$gio" = "yes"; then 3154 feature_not_found "gio" "Install libgio >= 2.0" 3155 else 3156 gio=no 3157 fi 3158 else 3159 gio=yes 3160 fi 3161fi 3162 3163# Sanity check that the current size_t matches the 3164# size that glib thinks it should be. This catches 3165# problems on multi-arch where people try to build 3166# 32-bit QEMU while pointing at 64-bit glib headers 3167cat > $TMPC <<EOF 3168#include <glib.h> 3169#include <unistd.h> 3170 3171#define QEMU_BUILD_BUG_ON(x) \ 3172 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused)); 3173 3174int main(void) { 3175 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T); 3176 return 0; 3177} 3178EOF 3179 3180if ! compile_prog "$glib_cflags" "$glib_libs" ; then 3181 error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\ 3182 "You probably need to set PKG_CONFIG_LIBDIR"\ 3183 "to point to the right pkg-config files for your"\ 3184 "build target" 3185fi 3186 3187# Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage 3188cat > $TMPC << EOF 3189#include <glib.h> 3190int main(void) { return 0; } 3191EOF 3192if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then 3193 if cc_has_warning_flag "-Wno-unknown-attributes"; then 3194 glib_cflags="-Wno-unknown-attributes $glib_cflags" 3195 CONFIGURE_CFLAGS="-Wno-unknown-attributes $CONFIGURE_CFLAGS" 3196 fi 3197fi 3198 3199# Silence clang warnings triggered by glib < 2.57.2 3200cat > $TMPC << EOF 3201#include <glib.h> 3202typedef struct Foo { 3203 int i; 3204} Foo; 3205static void foo_free(Foo *f) 3206{ 3207 g_free(f); 3208} 3209G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free); 3210int main(void) { return 0; } 3211EOF 3212if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then 3213 if cc_has_warning_flag "-Wno-unused-function"; then 3214 glib_cflags="$glib_cflags -Wno-unused-function" 3215 CONFIGURE_CFLAGS="$CONFIGURE_CFLAGS -Wno-unused-function" 3216 fi 3217fi 3218 3219########################################## 3220# SHA command probe for modules 3221if test "$modules" = yes; then 3222 shacmd_probe="sha1sum sha1 shasum" 3223 for c in $shacmd_probe; do 3224 if has $c; then 3225 shacmd="$c" 3226 break 3227 fi 3228 done 3229 if test "$shacmd" = ""; then 3230 error_exit "one of the checksum commands is required to enable modules: $shacmd_probe" 3231 fi 3232fi 3233 3234########################################## 3235# pthread probe 3236PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2" 3237 3238pthread=no 3239cat > $TMPC << EOF 3240#include <pthread.h> 3241static void *f(void *p) { return NULL; } 3242int main(void) { 3243 pthread_t thread; 3244 pthread_create(&thread, 0, f, 0); 3245 return 0; 3246} 3247EOF 3248if compile_prog "" "" ; then 3249 pthread=yes 3250else 3251 for pthread_lib in $PTHREADLIBS_LIST; do 3252 if compile_prog "" "$pthread_lib" ; then 3253 pthread=yes 3254 break 3255 fi 3256 done 3257fi 3258 3259if test "$mingw32" != yes && test "$pthread" = no; then 3260 error_exit "pthread check failed" \ 3261 "Make sure to have the pthread libs and headers installed." 3262fi 3263 3264# check for pthread_setname_np with thread id 3265pthread_setname_np_w_tid=no 3266cat > $TMPC << EOF 3267#include <pthread.h> 3268 3269static void *f(void *p) { return NULL; } 3270int main(void) 3271{ 3272 pthread_t thread; 3273 pthread_create(&thread, 0, f, 0); 3274 pthread_setname_np(thread, "QEMU"); 3275 return 0; 3276} 3277EOF 3278if compile_prog "" "$pthread_lib" ; then 3279 pthread_setname_np_w_tid=yes 3280fi 3281 3282# check for pthread_setname_np without thread id 3283pthread_setname_np_wo_tid=no 3284cat > $TMPC << EOF 3285#include <pthread.h> 3286 3287static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; } 3288int main(void) 3289{ 3290 pthread_t thread; 3291 pthread_create(&thread, 0, f, 0); 3292 return 0; 3293} 3294EOF 3295if compile_prog "" "$pthread_lib" ; then 3296 pthread_setname_np_wo_tid=yes 3297fi 3298 3299########################################## 3300# libssh probe 3301if test "$libssh" != "no" ; then 3302 if $pkg_config --exists "libssh >= 0.8.7"; then 3303 libssh_cflags=$($pkg_config libssh --cflags) 3304 libssh_libs=$($pkg_config libssh --libs) 3305 libssh=yes 3306 else 3307 if test "$libssh" = "yes" ; then 3308 error_exit "libssh required for --enable-libssh" 3309 fi 3310 libssh=no 3311 fi 3312fi 3313 3314########################################## 3315# linux-aio probe 3316 3317if test "$linux_aio" != "no" ; then 3318 cat > $TMPC <<EOF 3319#include <libaio.h> 3320#include <sys/eventfd.h> 3321#include <stddef.h> 3322int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; } 3323EOF 3324 if compile_prog "" "-laio" ; then 3325 linux_aio=yes 3326 else 3327 if test "$linux_aio" = "yes" ; then 3328 feature_not_found "linux AIO" "Install libaio devel" 3329 fi 3330 linux_aio=no 3331 fi 3332fi 3333 3334########################################## 3335# TPM emulation is only on POSIX 3336 3337if test "$tpm" = ""; then 3338 if test "$mingw32" = "yes"; then 3339 tpm=no 3340 else 3341 tpm=yes 3342 fi 3343elif test "$tpm" = "yes"; then 3344 if test "$mingw32" = "yes" ; then 3345 error_exit "TPM emulation only available on POSIX systems" 3346 fi 3347fi 3348 3349########################################## 3350# iovec probe 3351cat > $TMPC <<EOF 3352#include <sys/types.h> 3353#include <sys/uio.h> 3354#include <unistd.h> 3355int main(void) { return sizeof(struct iovec); } 3356EOF 3357iovec=no 3358if compile_prog "" "" ; then 3359 iovec=yes 3360fi 3361 3362########################################## 3363# fdt probe 3364 3365case "$fdt" in 3366 auto | enabled | internal) 3367 # Simpler to always update submodule, even if not needed. 3368 git_submodules="${git_submodules} dtc" 3369 ;; 3370esac 3371 3372########################################## 3373# opengl probe (for sdl2, gtk) 3374 3375gbm="no" 3376if $pkg_config gbm; then 3377 gbm_cflags="$($pkg_config --cflags gbm)" 3378 gbm_libs="$($pkg_config --libs gbm)" 3379 gbm="yes" 3380fi 3381 3382if test "$opengl" != "no" ; then 3383 epoxy=no 3384 if $pkg_config epoxy; then 3385 cat > $TMPC << EOF 3386#include <epoxy/egl.h> 3387int main(void) { return 0; } 3388EOF 3389 if compile_prog "" "" ; then 3390 epoxy=yes 3391 fi 3392 fi 3393 3394 if test "$epoxy" = "yes" ; then 3395 opengl_cflags="$($pkg_config --cflags epoxy)" 3396 opengl_libs="$($pkg_config --libs epoxy)" 3397 opengl=yes 3398 else 3399 if test "$opengl" = "yes" ; then 3400 feature_not_found "opengl" "Please install epoxy with EGL" 3401 fi 3402 opengl_cflags="" 3403 opengl_libs="" 3404 opengl=no 3405 fi 3406fi 3407 3408########################################## 3409# libnuma probe 3410 3411if test "$numa" != "no" ; then 3412 cat > $TMPC << EOF 3413#include <numa.h> 3414int main(void) { return numa_available(); } 3415EOF 3416 3417 if compile_prog "" "-lnuma" ; then 3418 numa=yes 3419 numa_libs="-lnuma" 3420 else 3421 if test "$numa" = "yes" ; then 3422 feature_not_found "numa" "install numactl devel" 3423 fi 3424 numa=no 3425 fi 3426fi 3427 3428malloc=system 3429if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then 3430 echo "ERROR: tcmalloc && jemalloc can't be used at the same time" 3431 exit 1 3432elif test "$tcmalloc" = "yes" ; then 3433 malloc=tcmalloc 3434elif test "$jemalloc" = "yes" ; then 3435 malloc=jemalloc 3436fi 3437 3438# check for usbfs 3439have_usbfs=no 3440if test "$linux_user" = "yes"; then 3441 cat > $TMPC << EOF 3442#include <linux/usbdevice_fs.h> 3443 3444#ifndef USBDEVFS_GET_CAPABILITIES 3445#error "USBDEVFS_GET_CAPABILITIES undefined" 3446#endif 3447 3448#ifndef USBDEVFS_DISCONNECT_CLAIM 3449#error "USBDEVFS_DISCONNECT_CLAIM undefined" 3450#endif 3451 3452int main(void) 3453{ 3454 return 0; 3455} 3456EOF 3457 if compile_prog "" ""; then 3458 have_usbfs=yes 3459 fi 3460fi 3461 3462########################################## 3463# spice probe 3464if test "$spice_protocol" != "no" ; then 3465 spice_protocol_cflags=$($pkg_config --cflags spice-protocol 2>/dev/null) 3466 if $pkg_config --atleast-version=0.12.3 spice-protocol; then 3467 spice_protocol="yes" 3468 else 3469 if test "$spice_protocol" = "yes" ; then 3470 feature_not_found "spice_protocol" \ 3471 "Install spice-protocol(>=0.12.3) devel" 3472 fi 3473 spice_protocol="no" 3474 fi 3475fi 3476 3477if test "$spice" != "no" ; then 3478 cat > $TMPC << EOF 3479#include <spice.h> 3480int main(void) { spice_server_new(); return 0; } 3481EOF 3482 spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null) 3483 spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null) 3484 if $pkg_config --atleast-version=0.12.5 spice-server && \ 3485 test "$spice_protocol" = "yes" && \ 3486 compile_prog "$spice_cflags" "$spice_libs" ; then 3487 spice="yes" 3488 else 3489 if test "$spice" = "yes" ; then 3490 feature_not_found "spice" \ 3491 "Install spice-server(>=0.12.5) devel" 3492 fi 3493 spice="no" 3494 fi 3495fi 3496 3497########################################## 3498# check if we have VSS SDK headers for win 3499 3500if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \ 3501 test "$vss_win32_sdk" != "no" ; then 3502 case "$vss_win32_sdk" in 3503 "") vss_win32_include="-isystem $source_path" ;; 3504 *\ *) # The SDK is installed in "Program Files" by default, but we cannot 3505 # handle path with spaces. So we symlink the headers into ".sdk/vss". 3506 vss_win32_include="-isystem $source_path/.sdk/vss" 3507 symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc" 3508 ;; 3509 *) vss_win32_include="-isystem $vss_win32_sdk" 3510 esac 3511 cat > $TMPC << EOF 3512#define __MIDL_user_allocate_free_DEFINED__ 3513#include <inc/win2003/vss.h> 3514int main(void) { return VSS_CTX_BACKUP; } 3515EOF 3516 if compile_prog "$vss_win32_include" "" ; then 3517 guest_agent_with_vss="yes" 3518 QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include" 3519 libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga" 3520 qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb" 3521 else 3522 if test "$vss_win32_sdk" != "" ; then 3523 echo "ERROR: Please download and install Microsoft VSS SDK:" 3524 echo "ERROR: http://www.microsoft.com/en-us/download/details.aspx?id=23490" 3525 echo "ERROR: On POSIX-systems, you can extract the SDK headers by:" 3526 echo "ERROR: scripts/extract-vsssdk-headers setup.exe" 3527 echo "ERROR: The headers are extracted in the directory \`inc'." 3528 feature_not_found "VSS support" 3529 fi 3530 guest_agent_with_vss="no" 3531 fi 3532fi 3533 3534########################################## 3535# lookup Windows platform SDK (if not specified) 3536# The SDK is needed only to build .tlb (type library) file of guest agent 3537# VSS provider from the source. It is usually unnecessary because the 3538# pre-compiled .tlb file is included. 3539 3540if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \ 3541 test "$guest_agent_with_vss" = "yes" ; then 3542 if test -z "$win_sdk"; then 3543 programfiles="$PROGRAMFILES" 3544 test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432" 3545 if test -n "$programfiles"; then 3546 win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null 3547 else 3548 feature_not_found "Windows SDK" 3549 fi 3550 elif test "$win_sdk" = "no"; then 3551 win_sdk="" 3552 fi 3553fi 3554 3555########################################## 3556# check if mingw environment provides a recent ntddscsi.h 3557if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then 3558 cat > $TMPC << EOF 3559#include <windows.h> 3560#include <ntddscsi.h> 3561int main(void) { 3562#if !defined(IOCTL_SCSI_GET_ADDRESS) 3563#error Missing required ioctl definitions 3564#endif 3565 SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 }; 3566 return addr.Lun; 3567} 3568EOF 3569 if compile_prog "" "" ; then 3570 guest_agent_ntddscsi=yes 3571 libs_qga="-lsetupapi -lcfgmgr32 $libs_qga" 3572 fi 3573fi 3574 3575########################################## 3576# capstone 3577 3578case "$capstone" in 3579 auto | enabled | internal) 3580 # Simpler to always update submodule, even if not needed. 3581 git_submodules="${git_submodules} capstone" 3582 ;; 3583esac 3584 3585########################################## 3586# check if we have posix_syslog 3587 3588posix_syslog=no 3589cat > $TMPC << EOF 3590#include <syslog.h> 3591int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; } 3592EOF 3593if compile_prog "" "" ; then 3594 posix_syslog=yes 3595fi 3596 3597########################################## 3598# check if trace backend exists 3599 3600$python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends > /dev/null 2> /dev/null 3601if test "$?" -ne 0 ; then 3602 error_exit "invalid trace backends" \ 3603 "Please choose supported trace backends." 3604fi 3605 3606########################################## 3607# For 'ust' backend, test if ust headers are present 3608if have_backend "ust"; then 3609 cat > $TMPC << EOF 3610#include <lttng/tracepoint.h> 3611int main(void) { return 0; } 3612EOF 3613 if compile_prog "" "-Wl,--no-as-needed -ldl" ; then 3614 if $pkg_config lttng-ust --exists; then 3615 lttng_ust_libs=$($pkg_config --libs lttng-ust) 3616 else 3617 lttng_ust_libs="-llttng-ust -ldl" 3618 fi 3619 if $pkg_config liburcu-bp --exists; then 3620 urcu_bp_libs=$($pkg_config --libs liburcu-bp) 3621 else 3622 urcu_bp_libs="-lurcu-bp" 3623 fi 3624 else 3625 error_exit "Trace backend 'ust' missing lttng-ust header files" 3626 fi 3627fi 3628 3629########################################## 3630# For 'dtrace' backend, test if 'dtrace' command is present 3631if have_backend "dtrace"; then 3632 if ! has 'dtrace' ; then 3633 error_exit "dtrace command is not found in PATH $PATH" 3634 fi 3635 trace_backend_stap="no" 3636 if has 'stap' ; then 3637 trace_backend_stap="yes" 3638 3639 # Workaround to avoid dtrace(1) producing a file with 'hidden' symbol 3640 # visibility. Define STAP_SDT_V2 to produce 'default' symbol visibility 3641 # instead. QEMU --enable-modules depends on this because the SystemTap 3642 # semaphores are linked into the main binary and not the module's shared 3643 # object. 3644 QEMU_CFLAGS="$QEMU_CFLAGS -DSTAP_SDT_V2" 3645 fi 3646fi 3647 3648########################################## 3649# check and set a backend for coroutine 3650 3651# We prefer ucontext, but it's not always possible. The fallback 3652# is sigcontext. On Windows the only valid backend is the Windows 3653# specific one. 3654 3655ucontext_works=no 3656if test "$darwin" != "yes"; then 3657 cat > $TMPC << EOF 3658#include <ucontext.h> 3659#ifdef __stub_makecontext 3660#error Ignoring glibc stub makecontext which will always fail 3661#endif 3662int main(void) { makecontext(0, 0, 0); return 0; } 3663EOF 3664 if compile_prog "" "" ; then 3665 ucontext_works=yes 3666 fi 3667fi 3668 3669if test "$coroutine" = ""; then 3670 if test "$mingw32" = "yes"; then 3671 coroutine=win32 3672 elif test "$ucontext_works" = "yes"; then 3673 coroutine=ucontext 3674 else 3675 coroutine=sigaltstack 3676 fi 3677else 3678 case $coroutine in 3679 windows) 3680 if test "$mingw32" != "yes"; then 3681 error_exit "'windows' coroutine backend only valid for Windows" 3682 fi 3683 # Unfortunately the user visible backend name doesn't match the 3684 # coroutine-*.c filename for this case, so we have to adjust it here. 3685 coroutine=win32 3686 ;; 3687 ucontext) 3688 if test "$ucontext_works" != "yes"; then 3689 feature_not_found "ucontext" 3690 fi 3691 ;; 3692 sigaltstack) 3693 if test "$mingw32" = "yes"; then 3694 error_exit "only the 'windows' coroutine backend is valid for Windows" 3695 fi 3696 ;; 3697 *) 3698 error_exit "unknown coroutine backend $coroutine" 3699 ;; 3700 esac 3701fi 3702 3703if test "$coroutine_pool" = ""; then 3704 coroutine_pool=yes 3705fi 3706 3707if test "$debug_stack_usage" = "yes"; then 3708 if test "$coroutine_pool" = "yes"; then 3709 echo "WARN: disabling coroutine pool for stack usage debugging" 3710 coroutine_pool=no 3711 fi 3712fi 3713 3714################################################## 3715# SafeStack 3716 3717 3718if test "$safe_stack" = "yes"; then 3719cat > $TMPC << EOF 3720int main(int argc, char *argv[]) 3721{ 3722#if ! __has_feature(safe_stack) 3723#error SafeStack Disabled 3724#endif 3725 return 0; 3726} 3727EOF 3728 flag="-fsanitize=safe-stack" 3729 # Check that safe-stack is supported and enabled. 3730 if compile_prog "-Werror $flag" "$flag"; then 3731 # Flag needed both at compilation and at linking 3732 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 3733 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 3734 else 3735 error_exit "SafeStack not supported by your compiler" 3736 fi 3737 if test "$coroutine" != "ucontext"; then 3738 error_exit "SafeStack is only supported by the coroutine backend ucontext" 3739 fi 3740else 3741cat > $TMPC << EOF 3742int main(int argc, char *argv[]) 3743{ 3744#if defined(__has_feature) 3745#if __has_feature(safe_stack) 3746#error SafeStack Enabled 3747#endif 3748#endif 3749 return 0; 3750} 3751EOF 3752if test "$safe_stack" = "no"; then 3753 # Make sure that safe-stack is disabled 3754 if ! compile_prog "-Werror" ""; then 3755 # SafeStack was already enabled, try to explicitly remove the feature 3756 flag="-fno-sanitize=safe-stack" 3757 if ! compile_prog "-Werror $flag" "$flag"; then 3758 error_exit "Configure cannot disable SafeStack" 3759 fi 3760 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 3761 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 3762 fi 3763else # "$safe_stack" = "" 3764 # Set safe_stack to yes or no based on pre-existing flags 3765 if compile_prog "-Werror" ""; then 3766 safe_stack="no" 3767 else 3768 safe_stack="yes" 3769 if test "$coroutine" != "ucontext"; then 3770 error_exit "SafeStack is only supported by the coroutine backend ucontext" 3771 fi 3772 fi 3773fi 3774fi 3775 3776######################################## 3777# check if cpuid.h is usable. 3778 3779cat > $TMPC << EOF 3780#include <cpuid.h> 3781int main(void) { 3782 unsigned a, b, c, d; 3783 int max = __get_cpuid_max(0, 0); 3784 3785 if (max >= 1) { 3786 __cpuid(1, a, b, c, d); 3787 } 3788 3789 if (max >= 7) { 3790 __cpuid_count(7, 0, a, b, c, d); 3791 } 3792 3793 return 0; 3794} 3795EOF 3796if compile_prog "" "" ; then 3797 cpuid_h=yes 3798fi 3799 3800########################################## 3801# avx2 optimization requirement check 3802# 3803# There is no point enabling this if cpuid.h is not usable, 3804# since we won't be able to select the new routines. 3805 3806if test "$cpuid_h" = "yes" && test "$avx2_opt" != "no"; then 3807 cat > $TMPC << EOF 3808#pragma GCC push_options 3809#pragma GCC target("avx2") 3810#include <cpuid.h> 3811#include <immintrin.h> 3812static int bar(void *a) { 3813 __m256i x = *(__m256i *)a; 3814 return _mm256_testz_si256(x, x); 3815} 3816int main(int argc, char *argv[]) { return bar(argv[0]); } 3817EOF 3818 if compile_object "" ; then 3819 avx2_opt="yes" 3820 else 3821 avx2_opt="no" 3822 fi 3823fi 3824 3825########################################## 3826# avx512f optimization requirement check 3827# 3828# There is no point enabling this if cpuid.h is not usable, 3829# since we won't be able to select the new routines. 3830# by default, it is turned off. 3831# if user explicitly want to enable it, check environment 3832 3833if test "$cpuid_h" = "yes" && test "$avx512f_opt" = "yes"; then 3834 cat > $TMPC << EOF 3835#pragma GCC push_options 3836#pragma GCC target("avx512f") 3837#include <cpuid.h> 3838#include <immintrin.h> 3839static int bar(void *a) { 3840 __m512i x = *(__m512i *)a; 3841 return _mm512_test_epi64_mask(x, x); 3842} 3843int main(int argc, char *argv[]) 3844{ 3845 return bar(argv[0]); 3846} 3847EOF 3848 if ! compile_object "" ; then 3849 avx512f_opt="no" 3850 fi 3851else 3852 avx512f_opt="no" 3853fi 3854 3855######################################## 3856# check if __[u]int128_t is usable. 3857 3858int128=no 3859cat > $TMPC << EOF 3860__int128_t a; 3861__uint128_t b; 3862int main (void) { 3863 a = a + b; 3864 b = a * b; 3865 a = a * a; 3866 return 0; 3867} 3868EOF 3869if compile_prog "" "" ; then 3870 int128=yes 3871fi 3872 3873######################################### 3874# See if 128-bit atomic operations are supported. 3875 3876atomic128=no 3877if test "$int128" = "yes"; then 3878 cat > $TMPC << EOF 3879int main(void) 3880{ 3881 unsigned __int128 x = 0, y = 0; 3882 y = __atomic_load(&x, 0); 3883 __atomic_store(&x, y, 0); 3884 __atomic_compare_exchange(&x, &y, x, 0, 0, 0); 3885 return 0; 3886} 3887EOF 3888 if compile_prog "" "" ; then 3889 atomic128=yes 3890 fi 3891fi 3892 3893cmpxchg128=no 3894if test "$int128" = yes && test "$atomic128" = no; then 3895 cat > $TMPC << EOF 3896int main(void) 3897{ 3898 unsigned __int128 x = 0, y = 0; 3899 __sync_val_compare_and_swap_16(&x, y, x); 3900 return 0; 3901} 3902EOF 3903 if compile_prog "" "" ; then 3904 cmpxchg128=yes 3905 fi 3906fi 3907 3908######################################### 3909# See if 64-bit atomic operations are supported. 3910# Note that without __atomic builtins, we can only 3911# assume atomic loads/stores max at pointer size. 3912 3913cat > $TMPC << EOF 3914#include <stdint.h> 3915int main(void) 3916{ 3917 uint64_t x = 0, y = 0; 3918#ifdef __ATOMIC_RELAXED 3919 y = __atomic_load_n(&x, __ATOMIC_RELAXED); 3920 __atomic_store_n(&x, y, __ATOMIC_RELAXED); 3921 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED); 3922 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED); 3923 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED); 3924#else 3925 typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1]; 3926 __sync_lock_test_and_set(&x, y); 3927 __sync_val_compare_and_swap(&x, y, 0); 3928 __sync_fetch_and_add(&x, y); 3929#endif 3930 return 0; 3931} 3932EOF 3933if compile_prog "" "" ; then 3934 atomic64=yes 3935fi 3936 3937######################################### 3938# See if --dynamic-list is supported by the linker 3939ld_dynamic_list="no" 3940if test "$static" = "no" ; then 3941 cat > $TMPTXT <<EOF 3942{ 3943 foo; 3944}; 3945EOF 3946 3947 cat > $TMPC <<EOF 3948#include <stdio.h> 3949void foo(void); 3950 3951void foo(void) 3952{ 3953 printf("foo\n"); 3954} 3955 3956int main(void) 3957{ 3958 foo(); 3959 return 0; 3960} 3961EOF 3962 3963 if compile_prog "" "-Wl,--dynamic-list=$TMPTXT" ; then 3964 ld_dynamic_list="yes" 3965 fi 3966fi 3967 3968######################################### 3969# See if -exported_symbols_list is supported by the linker 3970 3971ld_exported_symbols_list="no" 3972if test "$static" = "no" ; then 3973 cat > $TMPTXT <<EOF 3974 _foo 3975EOF 3976 3977 if compile_prog "" "-Wl,-exported_symbols_list,$TMPTXT" ; then 3978 ld_exported_symbols_list="yes" 3979 fi 3980fi 3981 3982if test "$plugins" = "yes" && 3983 test "$ld_dynamic_list" = "no" && 3984 test "$ld_exported_symbols_list" = "no" ; then 3985 error_exit \ 3986 "Plugin support requires dynamic linking and specifying a set of symbols " \ 3987 "that are exported to plugins. Unfortunately your linker doesn't " \ 3988 "support the flag (--dynamic-list or -exported_symbols_list) used " \ 3989 "for this purpose. You can't build with --static." 3990fi 3991 3992######################################## 3993# check if getauxval is available. 3994 3995getauxval=no 3996cat > $TMPC << EOF 3997#include <sys/auxv.h> 3998int main(void) { 3999 return getauxval(AT_HWCAP) == 0; 4000} 4001EOF 4002if compile_prog "" "" ; then 4003 getauxval=yes 4004fi 4005 4006######################################## 4007# check if ccache is interfering with 4008# semantic analysis of macros 4009 4010unset CCACHE_CPP2 4011ccache_cpp2=no 4012cat > $TMPC << EOF 4013static const int Z = 1; 4014#define fn() ({ Z; }) 4015#define TAUT(X) ((X) == Z) 4016#define PAREN(X, Y) (X == Y) 4017#define ID(X) (X) 4018int main(int argc, char *argv[]) 4019{ 4020 int x = 0, y = 0; 4021 x = ID(x); 4022 x = fn(); 4023 fn(); 4024 if (PAREN(x, y)) return 0; 4025 if (TAUT(Z)) return 0; 4026 return 0; 4027} 4028EOF 4029 4030if ! compile_object "-Werror"; then 4031 ccache_cpp2=yes 4032fi 4033 4034################################################# 4035# clang does not support glibc + FORTIFY_SOURCE. 4036 4037if test "$fortify_source" != "no"; then 4038 if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then 4039 fortify_source="no"; 4040 elif test -n "$cxx" && has $cxx && 4041 echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then 4042 fortify_source="no"; 4043 else 4044 fortify_source="yes" 4045 fi 4046fi 4047 4048########################################## 4049# check if struct fsxattr is available via linux/fs.h 4050 4051have_fsxattr=no 4052cat > $TMPC << EOF 4053#include <linux/fs.h> 4054struct fsxattr foo; 4055int main(void) { 4056 return 0; 4057} 4058EOF 4059if compile_prog "" "" ; then 4060 have_fsxattr=yes 4061fi 4062 4063########################################## 4064# check for usable membarrier system call 4065if test "$membarrier" = "yes"; then 4066 have_membarrier=no 4067 if test "$mingw32" = "yes" ; then 4068 have_membarrier=yes 4069 elif test "$linux" = "yes" ; then 4070 cat > $TMPC << EOF 4071 #include <linux/membarrier.h> 4072 #include <sys/syscall.h> 4073 #include <unistd.h> 4074 #include <stdlib.h> 4075 int main(void) { 4076 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0); 4077 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0); 4078 exit(0); 4079 } 4080EOF 4081 if compile_prog "" "" ; then 4082 have_membarrier=yes 4083 fi 4084 fi 4085 if test "$have_membarrier" = "no"; then 4086 feature_not_found "membarrier" "membarrier system call not available" 4087 fi 4088else 4089 # Do not enable it by default even for Mingw32, because it doesn't 4090 # work on Wine. 4091 membarrier=no 4092fi 4093 4094########################################## 4095# check for usable AF_VSOCK environment 4096have_af_vsock=no 4097cat > $TMPC << EOF 4098#include <errno.h> 4099#include <sys/types.h> 4100#include <sys/socket.h> 4101#if !defined(AF_VSOCK) 4102# error missing AF_VSOCK flag 4103#endif 4104#include <linux/vm_sockets.h> 4105int main(void) { 4106 int sock, ret; 4107 struct sockaddr_vm svm; 4108 socklen_t len = sizeof(svm); 4109 sock = socket(AF_VSOCK, SOCK_STREAM, 0); 4110 ret = getpeername(sock, (struct sockaddr *)&svm, &len); 4111 if ((ret == -1) && (errno == ENOTCONN)) { 4112 return 0; 4113 } 4114 return -1; 4115} 4116EOF 4117if compile_prog "" "" ; then 4118 have_af_vsock=yes 4119fi 4120 4121########################################## 4122# check for usable AF_ALG environment 4123have_afalg=no 4124cat > $TMPC << EOF 4125#include <errno.h> 4126#include <sys/types.h> 4127#include <sys/socket.h> 4128#include <linux/if_alg.h> 4129int main(void) { 4130 int sock; 4131 sock = socket(AF_ALG, SOCK_SEQPACKET, 0); 4132 return sock; 4133} 4134EOF 4135if compile_prog "" "" ; then 4136 have_afalg=yes 4137fi 4138if test "$crypto_afalg" = "yes" 4139then 4140 if test "$have_afalg" != "yes" 4141 then 4142 error_exit "AF_ALG requested but could not be detected" 4143 fi 4144fi 4145 4146 4147########################################## 4148# checks for sanitizers 4149 4150have_asan=no 4151have_ubsan=no 4152have_asan_iface_h=no 4153have_asan_iface_fiber=no 4154 4155if test "$sanitizers" = "yes" ; then 4156 write_c_skeleton 4157 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then 4158 have_asan=yes 4159 fi 4160 4161 # we could use a simple skeleton for flags checks, but this also 4162 # detect the static linking issue of ubsan, see also: 4163 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285 4164 cat > $TMPC << EOF 4165#include <stdlib.h> 4166int main(void) { 4167 void *tmp = malloc(10); 4168 if (tmp != NULL) { 4169 return *(int *)(tmp + 2); 4170 } 4171 return 1; 4172} 4173EOF 4174 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then 4175 have_ubsan=yes 4176 fi 4177 4178 if check_include "sanitizer/asan_interface.h" ; then 4179 have_asan_iface_h=yes 4180 fi 4181 4182 cat > $TMPC << EOF 4183#include <sanitizer/asan_interface.h> 4184int main(void) { 4185 __sanitizer_start_switch_fiber(0, 0, 0); 4186 return 0; 4187} 4188EOF 4189 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then 4190 have_asan_iface_fiber=yes 4191 fi 4192fi 4193 4194########################################## 4195# checks for fuzzer 4196if test "$fuzzing" = "yes" && test -z "${LIB_FUZZING_ENGINE+xxx}"; then 4197 write_c_fuzzer_skeleton 4198 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=fuzzer" ""; then 4199 have_fuzzer=yes 4200 else 4201 error_exit "Your compiler doesn't support -fsanitize=fuzzer" 4202 exit 1 4203 fi 4204fi 4205 4206# Thread sanitizer is, for now, much noisier than the other sanitizers; 4207# keep it separate until that is not the case. 4208if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then 4209 error_exit "TSAN is not supported with other sanitiziers." 4210fi 4211have_tsan=no 4212have_tsan_iface_fiber=no 4213if test "$tsan" = "yes" ; then 4214 write_c_skeleton 4215 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then 4216 have_tsan=yes 4217 fi 4218 cat > $TMPC << EOF 4219#include <sanitizer/tsan_interface.h> 4220int main(void) { 4221 __tsan_create_fiber(0); 4222 return 0; 4223} 4224EOF 4225 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then 4226 have_tsan_iface_fiber=yes 4227 fi 4228fi 4229 4230########################################## 4231# check for slirp 4232 4233case "$slirp" in 4234 auto | enabled | internal) 4235 # Simpler to always update submodule, even if not needed. 4236 git_submodules="${git_submodules} slirp" 4237 ;; 4238esac 4239 4240# Check for slirp smbd dupport 4241: ${smbd=${SMBD-/usr/sbin/smbd}} 4242if test "$slirp_smbd" != "no" ; then 4243 if test "$mingw32" = "yes" ; then 4244 if test "$slirp_smbd" = "yes" ; then 4245 error_exit "Host smbd not supported on this platform." 4246 fi 4247 slirp_smbd=no 4248 else 4249 slirp_smbd=yes 4250 fi 4251fi 4252 4253########################################## 4254# check for usable __NR_keyctl syscall 4255 4256if test "$linux" = "yes" ; then 4257 4258 have_keyring=no 4259 cat > $TMPC << EOF 4260#include <errno.h> 4261#include <asm/unistd.h> 4262#include <linux/keyctl.h> 4263#include <unistd.h> 4264int main(void) { 4265 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0); 4266} 4267EOF 4268 if compile_prog "" "" ; then 4269 have_keyring=yes 4270 fi 4271fi 4272if test "$secret_keyring" != "no" 4273then 4274 if test "$have_keyring" = "yes" 4275 then 4276 secret_keyring=yes 4277 else 4278 if test "$secret_keyring" = "yes" 4279 then 4280 error_exit "syscall __NR_keyctl requested, \ 4281but not implemented on your system" 4282 else 4283 secret_keyring=no 4284 fi 4285 fi 4286fi 4287 4288########################################## 4289# End of CC checks 4290# After here, no more $cc or $ld runs 4291 4292write_c_skeleton 4293 4294if test "$gcov" = "yes" ; then 4295 : 4296elif test "$fortify_source" = "yes" ; then 4297 QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS" 4298 debug=no 4299fi 4300 4301case "$ARCH" in 4302alpha) 4303 # Ensure there's only a single GP 4304 QEMU_CFLAGS="-msmall-data $QEMU_CFLAGS" 4305;; 4306esac 4307 4308if test "$gprof" = "yes" ; then 4309 QEMU_CFLAGS="-p $QEMU_CFLAGS" 4310 QEMU_LDFLAGS="-p $QEMU_LDFLAGS" 4311fi 4312 4313if test "$have_asan" = "yes"; then 4314 QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS" 4315 QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS" 4316 if test "$have_asan_iface_h" = "no" ; then 4317 echo "ASAN build enabled, but ASAN header missing." \ 4318 "Without code annotation, the report may be inferior." 4319 elif test "$have_asan_iface_fiber" = "no" ; then 4320 echo "ASAN build enabled, but ASAN header is too old." \ 4321 "Without code annotation, the report may be inferior." 4322 fi 4323fi 4324if test "$have_tsan" = "yes" ; then 4325 if test "$have_tsan_iface_fiber" = "yes" ; then 4326 QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS" 4327 QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS" 4328 else 4329 error_exit "Cannot enable TSAN due to missing fiber annotation interface." 4330 fi 4331elif test "$tsan" = "yes" ; then 4332 error_exit "Cannot enable TSAN due to missing sanitize thread interface." 4333fi 4334if test "$have_ubsan" = "yes"; then 4335 QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS" 4336 QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS" 4337fi 4338 4339########################################## 4340 4341# Exclude --warn-common with TSan to suppress warnings from the TSan libraries. 4342if test "$solaris" = "no" && test "$tsan" = "no"; then 4343 if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then 4344 QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS" 4345 fi 4346fi 4347 4348# Use ASLR, no-SEH and DEP if available 4349if test "$mingw32" = "yes" ; then 4350 flags="--no-seh --nxcompat" 4351 4352 # Disable ASLR for debug builds to allow debugging with gdb 4353 if test "$debug" = "no" ; then 4354 flags="--dynamicbase $flags" 4355 fi 4356 4357 for flag in $flags; do 4358 if ld_has $flag ; then 4359 QEMU_LDFLAGS="-Wl,$flag $QEMU_LDFLAGS" 4360 fi 4361 done 4362fi 4363 4364# Probe for guest agent support/options 4365 4366if [ "$guest_agent" != "no" ]; then 4367 if [ "$softmmu" = no -a "$want_tools" = no ] ; then 4368 guest_agent=no 4369 elif [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then 4370 guest_agent=yes 4371 elif [ "$guest_agent" != yes ]; then 4372 guest_agent=no 4373 else 4374 error_exit "Guest agent is not supported on this platform" 4375 fi 4376fi 4377 4378# Guest agent Windows MSI package 4379 4380if test "$QEMU_GA_MANUFACTURER" = ""; then 4381 QEMU_GA_MANUFACTURER=QEMU 4382fi 4383if test "$QEMU_GA_DISTRO" = ""; then 4384 QEMU_GA_DISTRO=Linux 4385fi 4386if test "$QEMU_GA_VERSION" = ""; then 4387 QEMU_GA_VERSION=$(cat $source_path/VERSION) 4388fi 4389 4390QEMU_GA_MSI_MINGW_DLL_PATH="$($pkg_config --variable=prefix glib-2.0)/bin" 4391 4392# Mac OS X ships with a broken assembler 4393roms= 4394if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \ 4395 test "$targetos" != "Darwin" && test "$targetos" != "SunOS" && \ 4396 test "$targetos" != "Haiku" && test "$softmmu" = yes ; then 4397 # Different host OS linkers have different ideas about the name of the ELF 4398 # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd 4399 # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe. 4400 for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do 4401 if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then 4402 ld_i386_emulation="$emu" 4403 roms="optionrom" 4404 break 4405 fi 4406 done 4407fi 4408 4409# Only build s390-ccw bios if we're on s390x and the compiler has -march=z900 4410# or -march=z10 (which is the lowest architecture level that Clang supports) 4411if test "$cpu" = "s390x" ; then 4412 write_c_skeleton 4413 compile_prog "-march=z900" "" 4414 has_z900=$? 4415 if [ $has_z900 = 0 ] || compile_object "-march=z10 -msoft-float -Werror"; then 4416 if [ $has_z900 != 0 ]; then 4417 echo "WARNING: Your compiler does not support the z900!" 4418 echo " The s390-ccw bios will only work with guest CPUs >= z10." 4419 fi 4420 roms="$roms s390-ccw" 4421 # SLOF is required for building the s390-ccw firmware on s390x, 4422 # since it is using the libnet code from SLOF for network booting. 4423 git_submodules="${git_submodules} roms/SLOF" 4424 fi 4425fi 4426 4427# Check that the C++ compiler exists and works with the C compiler. 4428# All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added. 4429if has $cxx; then 4430 cat > $TMPC <<EOF 4431int c_function(void); 4432int main(void) { return c_function(); } 4433EOF 4434 4435 compile_object 4436 4437 cat > $TMPCXX <<EOF 4438extern "C" { 4439 int c_function(void); 4440} 4441int c_function(void) { return 42; } 4442EOF 4443 4444 update_cxxflags 4445 4446 if do_cxx $CXXFLAGS $CONFIGURE_CXXFLAGS $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then 4447 # C++ compiler $cxx works ok with C compiler $cc 4448 : 4449 else 4450 echo "C++ compiler $cxx does not work with C compiler $cc" 4451 echo "Disabling C++ specific optional code" 4452 cxx= 4453 fi 4454else 4455 echo "No C++ compiler available; disabling C++ specific optional code" 4456 cxx= 4457fi 4458 4459if !(GIT="$git" "$source_path/scripts/git-submodule.sh" "$git_submodules_action" "$git_submodules"); then 4460 exit 1 4461fi 4462 4463config_host_mak="config-host.mak" 4464 4465echo "# Automatically generated by configure - do not modify" > $config_host_mak 4466echo >> $config_host_mak 4467 4468echo all: >> $config_host_mak 4469echo "GIT=$git" >> $config_host_mak 4470echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak 4471echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_host_mak 4472 4473echo "ARCH=$ARCH" >> $config_host_mak 4474 4475if test "$debug_tcg" = "yes" ; then 4476 echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak 4477fi 4478if test "$strip_opt" = "yes" ; then 4479 echo "STRIP=${strip}" >> $config_host_mak 4480fi 4481if test "$bigendian" = "yes" ; then 4482 echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak 4483fi 4484if test "$mingw32" = "yes" ; then 4485 echo "CONFIG_WIN32=y" >> $config_host_mak 4486 if test "$guest_agent_with_vss" = "yes" ; then 4487 echo "CONFIG_QGA_VSS=y" >> $config_host_mak 4488 echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak 4489 echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak 4490 fi 4491 if test "$guest_agent_ntddscsi" = "yes" ; then 4492 echo "CONFIG_QGA_NTDDSCSI=y" >> $config_host_mak 4493 fi 4494 echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak 4495 echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak 4496 echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak 4497 echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak 4498else 4499 echo "CONFIG_POSIX=y" >> $config_host_mak 4500fi 4501 4502if test "$linux" = "yes" ; then 4503 echo "CONFIG_LINUX=y" >> $config_host_mak 4504fi 4505 4506if test "$darwin" = "yes" ; then 4507 echo "CONFIG_DARWIN=y" >> $config_host_mak 4508fi 4509 4510if test "$solaris" = "yes" ; then 4511 echo "CONFIG_SOLARIS=y" >> $config_host_mak 4512fi 4513if test "$haiku" = "yes" ; then 4514 echo "CONFIG_HAIKU=y" >> $config_host_mak 4515fi 4516if test "$static" = "yes" ; then 4517 echo "CONFIG_STATIC=y" >> $config_host_mak 4518fi 4519if test "$profiler" = "yes" ; then 4520 echo "CONFIG_PROFILER=y" >> $config_host_mak 4521fi 4522if test "$want_tools" = "yes" ; then 4523 echo "CONFIG_TOOLS=y" >> $config_host_mak 4524fi 4525if test "$guest_agent" = "yes" ; then 4526 echo "CONFIG_GUEST_AGENT=y" >> $config_host_mak 4527fi 4528if test "$slirp_smbd" = "yes" ; then 4529 echo "CONFIG_SLIRP_SMBD=y" >> $config_host_mak 4530 echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak 4531fi 4532if test "$vde" = "yes" ; then 4533 echo "CONFIG_VDE=y" >> $config_host_mak 4534 echo "VDE_LIBS=$vde_libs" >> $config_host_mak 4535fi 4536if test "$netmap" = "yes" ; then 4537 echo "CONFIG_NETMAP=y" >> $config_host_mak 4538fi 4539if test "$l2tpv3" = "yes" ; then 4540 echo "CONFIG_L2TPV3=y" >> $config_host_mak 4541fi 4542if test "$gprof" = "yes" ; then 4543 echo "CONFIG_GPROF=y" >> $config_host_mak 4544fi 4545echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak 4546for drv in $audio_drv_list; do 4547 def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]') 4548 echo "$def=y" >> $config_host_mak 4549done 4550if test "$alsa" = "yes" ; then 4551 echo "CONFIG_ALSA=y" >> $config_host_mak 4552fi 4553echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak 4554echo "ALSA_CFLAGS=$alsa_cflags" >> $config_host_mak 4555if test "$libpulse" = "yes" ; then 4556 echo "CONFIG_LIBPULSE=y" >> $config_host_mak 4557fi 4558echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak 4559echo "PULSE_CFLAGS=$pulse_cflags" >> $config_host_mak 4560echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak 4561echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak 4562echo "OSS_LIBS=$oss_libs" >> $config_host_mak 4563if test "$libjack" = "yes" ; then 4564 echo "CONFIG_LIBJACK=y" >> $config_host_mak 4565fi 4566echo "JACK_LIBS=$jack_libs" >> $config_host_mak 4567if test "$audio_win_int" = "yes" ; then 4568 echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak 4569fi 4570echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak 4571echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak 4572if test "$xfs" = "yes" ; then 4573 echo "CONFIG_XFS=y" >> $config_host_mak 4574fi 4575qemu_version=$(head $source_path/VERSION) 4576echo "PKGVERSION=$pkgversion" >>$config_host_mak 4577echo "SRC_PATH=$source_path" >> $config_host_mak 4578echo "TARGET_DIRS=$target_list" >> $config_host_mak 4579if test "$modules" = "yes"; then 4580 # $shacmd can generate a hash started with digit, which the compiler doesn't 4581 # like as an symbol. So prefix it with an underscore 4582 echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak 4583 echo "CONFIG_MODULES=y" >> $config_host_mak 4584fi 4585if test "$module_upgrades" = "yes"; then 4586 echo "CONFIG_MODULE_UPGRADES=y" >> $config_host_mak 4587fi 4588if test "$have_usbfs" = "yes" ; then 4589 echo "CONFIG_USBFS=y" >> $config_host_mak 4590fi 4591if test "$gio" = "yes" ; then 4592 echo "CONFIG_GIO=y" >> $config_host_mak 4593 echo "GIO_CFLAGS=$gio_cflags" >> $config_host_mak 4594 echo "GIO_LIBS=$gio_libs" >> $config_host_mak 4595fi 4596if test "$gdbus_codegen" != "" ; then 4597 echo "GDBUS_CODEGEN=$gdbus_codegen" >> $config_host_mak 4598fi 4599echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak 4600 4601# Work around a system header bug with some kernel/XFS header 4602# versions where they both try to define 'struct fsxattr': 4603# xfs headers will not try to redefine structs from linux headers 4604# if this macro is set. 4605if test "$have_fsxattr" = "yes" ; then 4606 echo "HAVE_FSXATTR=y" >> $config_host_mak 4607fi 4608if test "$xen" = "enabled" ; then 4609 echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak 4610 echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak 4611 echo "XEN_CFLAGS=$xen_cflags" >> $config_host_mak 4612 echo "XEN_LIBS=$xen_libs" >> $config_host_mak 4613fi 4614if test "$linux_aio" = "yes" ; then 4615 echo "CONFIG_LINUX_AIO=y" >> $config_host_mak 4616fi 4617if test "$vhost_scsi" = "yes" ; then 4618 echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak 4619fi 4620if test "$vhost_net" = "yes" ; then 4621 echo "CONFIG_VHOST_NET=y" >> $config_host_mak 4622fi 4623if test "$vhost_net_user" = "yes" ; then 4624 echo "CONFIG_VHOST_NET_USER=y" >> $config_host_mak 4625fi 4626if test "$vhost_net_vdpa" = "yes" ; then 4627 echo "CONFIG_VHOST_NET_VDPA=y" >> $config_host_mak 4628fi 4629if test "$vhost_crypto" = "yes" ; then 4630 echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak 4631fi 4632if test "$vhost_vsock" = "yes" ; then 4633 echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak 4634 if test "$vhost_user" = "yes" ; then 4635 echo "CONFIG_VHOST_USER_VSOCK=y" >> $config_host_mak 4636 fi 4637fi 4638if test "$vhost_kernel" = "yes" ; then 4639 echo "CONFIG_VHOST_KERNEL=y" >> $config_host_mak 4640fi 4641if test "$vhost_user" = "yes" ; then 4642 echo "CONFIG_VHOST_USER=y" >> $config_host_mak 4643fi 4644if test "$vhost_vdpa" = "yes" ; then 4645 echo "CONFIG_VHOST_VDPA=y" >> $config_host_mak 4646fi 4647if test "$vhost_user_fs" = "yes" ; then 4648 echo "CONFIG_VHOST_USER_FS=y" >> $config_host_mak 4649fi 4650if test "$iovec" = "yes" ; then 4651 echo "CONFIG_IOVEC=y" >> $config_host_mak 4652fi 4653if test "$membarrier" = "yes" ; then 4654 echo "CONFIG_MEMBARRIER=y" >> $config_host_mak 4655fi 4656if test "$tcg" = "enabled" -a "$tcg_interpreter" = "true" ; then 4657 echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak 4658fi 4659 4660if test "$spice_protocol" = "yes" ; then 4661 echo "CONFIG_SPICE_PROTOCOL=y" >> $config_host_mak 4662 echo "SPICE_PROTOCOL_CFLAGS=$spice_protocol_cflags" >> $config_host_mak 4663fi 4664if test "$spice" = "yes" ; then 4665 echo "CONFIG_SPICE=y" >> $config_host_mak 4666 echo "SPICE_CFLAGS=$spice_cflags $spice_protocol_cflags" >> $config_host_mak 4667 echo "SPICE_LIBS=$spice_libs" >> $config_host_mak 4668fi 4669 4670if test "$opengl" = "yes" ; then 4671 echo "CONFIG_OPENGL=y" >> $config_host_mak 4672 echo "OPENGL_CFLAGS=$opengl_cflags" >> $config_host_mak 4673 echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak 4674fi 4675 4676if test "$gbm" = "yes" ; then 4677 echo "CONFIG_GBM=y" >> $config_host_mak 4678 echo "GBM_LIBS=$gbm_libs" >> $config_host_mak 4679 echo "GBM_CFLAGS=$gbm_cflags" >> $config_host_mak 4680fi 4681 4682 4683if test "$avx2_opt" = "yes" ; then 4684 echo "CONFIG_AVX2_OPT=y" >> $config_host_mak 4685fi 4686 4687if test "$avx512f_opt" = "yes" ; then 4688 echo "CONFIG_AVX512F_OPT=y" >> $config_host_mak 4689fi 4690 4691# XXX: suppress that 4692if [ "$bsd" = "yes" ] ; then 4693 echo "CONFIG_BSD=y" >> $config_host_mak 4694fi 4695 4696if test "$qom_cast_debug" = "yes" ; then 4697 echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak 4698fi 4699 4700echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak 4701if test "$coroutine_pool" = "yes" ; then 4702 echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak 4703else 4704 echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak 4705fi 4706 4707if test "$debug_stack_usage" = "yes" ; then 4708 echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak 4709fi 4710 4711if test "$crypto_afalg" = "yes" ; then 4712 echo "CONFIG_AF_ALG=y" >> $config_host_mak 4713fi 4714 4715if test "$have_asan_iface_fiber" = "yes" ; then 4716 echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak 4717fi 4718 4719if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then 4720 echo "CONFIG_TSAN=y" >> $config_host_mak 4721fi 4722 4723if test "$cpuid_h" = "yes" ; then 4724 echo "CONFIG_CPUID_H=y" >> $config_host_mak 4725fi 4726 4727if test "$int128" = "yes" ; then 4728 echo "CONFIG_INT128=y" >> $config_host_mak 4729fi 4730 4731if test "$atomic128" = "yes" ; then 4732 echo "CONFIG_ATOMIC128=y" >> $config_host_mak 4733fi 4734 4735if test "$cmpxchg128" = "yes" ; then 4736 echo "CONFIG_CMPXCHG128=y" >> $config_host_mak 4737fi 4738 4739if test "$atomic64" = "yes" ; then 4740 echo "CONFIG_ATOMIC64=y" >> $config_host_mak 4741fi 4742 4743if test "$getauxval" = "yes" ; then 4744 echo "CONFIG_GETAUXVAL=y" >> $config_host_mak 4745fi 4746 4747if test "$libssh" = "yes" ; then 4748 echo "CONFIG_LIBSSH=y" >> $config_host_mak 4749 echo "LIBSSH_CFLAGS=$libssh_cflags" >> $config_host_mak 4750 echo "LIBSSH_LIBS=$libssh_libs" >> $config_host_mak 4751fi 4752 4753if test "$live_block_migration" = "yes" ; then 4754 echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak 4755fi 4756 4757if test "$tpm" = "yes"; then 4758 echo 'CONFIG_TPM=y' >> $config_host_mak 4759fi 4760 4761echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak 4762if have_backend "nop"; then 4763 echo "CONFIG_TRACE_NOP=y" >> $config_host_mak 4764fi 4765if have_backend "simple"; then 4766 echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak 4767 # Set the appropriate trace file. 4768 trace_file="\"$trace_file-\" FMT_pid" 4769fi 4770if have_backend "log"; then 4771 echo "CONFIG_TRACE_LOG=y" >> $config_host_mak 4772fi 4773if have_backend "ust"; then 4774 echo "CONFIG_TRACE_UST=y" >> $config_host_mak 4775 echo "LTTNG_UST_LIBS=$lttng_ust_libs" >> $config_host_mak 4776 echo "URCU_BP_LIBS=$urcu_bp_libs" >> $config_host_mak 4777fi 4778if have_backend "dtrace"; then 4779 echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak 4780 if test "$trace_backend_stap" = "yes" ; then 4781 echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak 4782 fi 4783fi 4784if have_backend "ftrace"; then 4785 if test "$linux" = "yes" ; then 4786 echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak 4787 else 4788 feature_not_found "ftrace(trace backend)" "ftrace requires Linux" 4789 fi 4790fi 4791if have_backend "syslog"; then 4792 if test "$posix_syslog" = "yes" ; then 4793 echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak 4794 else 4795 feature_not_found "syslog(trace backend)" "syslog not available" 4796 fi 4797fi 4798echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak 4799 4800if test "$rdma" = "yes" ; then 4801 echo "CONFIG_RDMA=y" >> $config_host_mak 4802 echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak 4803fi 4804 4805if test "$pvrdma" = "yes" ; then 4806 echo "CONFIG_PVRDMA=y" >> $config_host_mak 4807fi 4808 4809if test "$replication" = "yes" ; then 4810 echo "CONFIG_REPLICATION=y" >> $config_host_mak 4811fi 4812 4813if test "$have_af_vsock" = "yes" ; then 4814 echo "CONFIG_AF_VSOCK=y" >> $config_host_mak 4815fi 4816 4817if test "$debug_mutex" = "yes" ; then 4818 echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak 4819fi 4820 4821# Hold two types of flag: 4822# CONFIG_THREAD_SETNAME_BYTHREAD - we've got a way of setting the name on 4823# a thread we have a handle to 4824# CONFIG_PTHREAD_SETNAME_NP_W_TID - A way of doing it on a particular 4825# platform 4826if test "$pthread_setname_np_w_tid" = "yes" ; then 4827 echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak 4828 echo "CONFIG_PTHREAD_SETNAME_NP_W_TID=y" >> $config_host_mak 4829elif test "$pthread_setname_np_wo_tid" = "yes" ; then 4830 echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak 4831 echo "CONFIG_PTHREAD_SETNAME_NP_WO_TID=y" >> $config_host_mak 4832fi 4833 4834if test "$bochs" = "yes" ; then 4835 echo "CONFIG_BOCHS=y" >> $config_host_mak 4836fi 4837if test "$cloop" = "yes" ; then 4838 echo "CONFIG_CLOOP=y" >> $config_host_mak 4839fi 4840if test "$dmg" = "yes" ; then 4841 echo "CONFIG_DMG=y" >> $config_host_mak 4842fi 4843if test "$qcow1" = "yes" ; then 4844 echo "CONFIG_QCOW1=y" >> $config_host_mak 4845fi 4846if test "$vdi" = "yes" ; then 4847 echo "CONFIG_VDI=y" >> $config_host_mak 4848fi 4849if test "$vvfat" = "yes" ; then 4850 echo "CONFIG_VVFAT=y" >> $config_host_mak 4851fi 4852if test "$qed" = "yes" ; then 4853 echo "CONFIG_QED=y" >> $config_host_mak 4854fi 4855if test "$parallels" = "yes" ; then 4856 echo "CONFIG_PARALLELS=y" >> $config_host_mak 4857fi 4858if test "$have_mlockall" = "yes" ; then 4859 echo "HAVE_MLOCKALL=y" >> $config_host_mak 4860fi 4861if test "$fuzzing" = "yes" ; then 4862 # If LIB_FUZZING_ENGINE is set, assume we are running on OSS-Fuzz, and the 4863 # needed CFLAGS have already been provided 4864 if test -z "${LIB_FUZZING_ENGINE+xxx}" ; then 4865 # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the 4866 # compiled code. 4867 QEMU_CFLAGS="$QEMU_CFLAGS -fsanitize=fuzzer-no-link" 4868 # To build non-fuzzer binaries with --enable-fuzzing, link everything with 4869 # fsanitize=fuzzer-no-link. Otherwise, the linker will be unable to bind 4870 # the fuzzer-related callbacks added by instrumentation. 4871 QEMU_LDFLAGS="$QEMU_LDFLAGS -fsanitize=fuzzer-no-link" 4872 # For the actual fuzzer binaries, we need to link against the libfuzzer 4873 # library. Provide the flags for doing this in FUZZ_EXE_LDFLAGS. The meson 4874 # rule for the fuzzer adds these to the link_args. They need to be 4875 # configurable, to support OSS-Fuzz 4876 FUZZ_EXE_LDFLAGS="-fsanitize=fuzzer" 4877 else 4878 FUZZ_EXE_LDFLAGS="$LIB_FUZZING_ENGINE" 4879 fi 4880fi 4881 4882if test "$plugins" = "yes" ; then 4883 echo "CONFIG_PLUGIN=y" >> $config_host_mak 4884 # Copy the export object list to the build dir 4885 if test "$ld_dynamic_list" = "yes" ; then 4886 echo "CONFIG_HAS_LD_DYNAMIC_LIST=yes" >> $config_host_mak 4887 ld_symbols=qemu-plugins-ld.symbols 4888 cp "$source_path/plugins/qemu-plugins.symbols" $ld_symbols 4889 elif test "$ld_exported_symbols_list" = "yes" ; then 4890 echo "CONFIG_HAS_LD_EXPORTED_SYMBOLS_LIST=yes" >> $config_host_mak 4891 ld64_symbols=qemu-plugins-ld64.symbols 4892 echo "# Automatically generated by configure - do not modify" > $ld64_symbols 4893 grep 'qemu_' "$source_path/plugins/qemu-plugins.symbols" | sed 's/;//g' | \ 4894 sed -E 's/^[[:space:]]*(.*)/_\1/' >> $ld64_symbols 4895 else 4896 error_exit \ 4897 "If \$plugins=yes, either \$ld_dynamic_list or " \ 4898 "\$ld_exported_symbols_list should have been set to 'yes'." 4899 fi 4900fi 4901 4902if test -n "$gdb_bin"; then 4903 gdb_version=$($gdb_bin --version | head -n 1) 4904 if version_ge ${gdb_version##* } 9.1; then 4905 echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak 4906 fi 4907fi 4908 4909if test "$secret_keyring" = "yes" ; then 4910 echo "CONFIG_SECRET_KEYRING=y" >> $config_host_mak 4911fi 4912 4913echo "ROMS=$roms" >> $config_host_mak 4914echo "MAKE=$make" >> $config_host_mak 4915echo "PYTHON=$python" >> $config_host_mak 4916echo "GENISOIMAGE=$genisoimage" >> $config_host_mak 4917echo "MESON=$meson" >> $config_host_mak 4918echo "NINJA=$ninja" >> $config_host_mak 4919echo "CC=$cc" >> $config_host_mak 4920echo "HOST_CC=$host_cc" >> $config_host_mak 4921if $iasl -h > /dev/null 2>&1; then 4922 echo "CONFIG_IASL=$iasl" >> $config_host_mak 4923fi 4924echo "AR=$ar" >> $config_host_mak 4925echo "AS=$as" >> $config_host_mak 4926echo "CCAS=$ccas" >> $config_host_mak 4927echo "CPP=$cpp" >> $config_host_mak 4928echo "OBJCOPY=$objcopy" >> $config_host_mak 4929echo "LD=$ld" >> $config_host_mak 4930echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak 4931echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak 4932echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak 4933echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak 4934echo "GLIB_LIBS=$glib_libs" >> $config_host_mak 4935echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak 4936echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak 4937echo "EXESUF=$EXESUF" >> $config_host_mak 4938echo "HOST_DSOSUF=$HOST_DSOSUF" >> $config_host_mak 4939echo "LIBS_QGA=$libs_qga" >> $config_host_mak 4940if test "$gcov" = "yes" ; then 4941 echo "CONFIG_GCOV=y" >> $config_host_mak 4942fi 4943 4944if test "$fuzzing" != "no"; then 4945 echo "CONFIG_FUZZ=y" >> $config_host_mak 4946fi 4947echo "FUZZ_EXE_LDFLAGS=$FUZZ_EXE_LDFLAGS" >> $config_host_mak 4948 4949if test "$rng_none" = "yes"; then 4950 echo "CONFIG_RNG_NONE=y" >> $config_host_mak 4951fi 4952 4953# use included Linux headers 4954if test "$linux" = "yes" ; then 4955 mkdir -p linux-headers 4956 case "$cpu" in 4957 i386|x86_64|x32) 4958 linux_arch=x86 4959 ;; 4960 ppc|ppc64|ppc64le) 4961 linux_arch=powerpc 4962 ;; 4963 s390x) 4964 linux_arch=s390 4965 ;; 4966 aarch64) 4967 linux_arch=arm64 4968 ;; 4969 mips64) 4970 linux_arch=mips 4971 ;; 4972 *) 4973 # For most CPUs the kernel architecture name and QEMU CPU name match. 4974 linux_arch="$cpu" 4975 ;; 4976 esac 4977 # For non-KVM architectures we will not have asm headers 4978 if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then 4979 symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm 4980 fi 4981fi 4982 4983for target in $target_list; do 4984 target_dir="$target" 4985 target_name=$(echo $target | cut -d '-' -f 1) 4986 mkdir -p $target_dir 4987 case $target in 4988 *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;; 4989 *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;; 4990 esac 4991done 4992 4993echo "CONFIG_QEMU_INTERP_PREFIX=$interp_prefix" | sed 's/%M/@0@/' >> $config_host_mak 4994if test "$default_targets" = "yes"; then 4995 echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak 4996fi 4997 4998if test "$numa" = "yes"; then 4999 echo "CONFIG_NUMA=y" >> $config_host_mak 5000 echo "NUMA_LIBS=$numa_libs" >> $config_host_mak 5001fi 5002 5003if test "$ccache_cpp2" = "yes"; then 5004 echo "export CCACHE_CPP2=y" >> $config_host_mak 5005fi 5006 5007if test "$safe_stack" = "yes"; then 5008 echo "CONFIG_SAFESTACK=y" >> $config_host_mak 5009fi 5010 5011# If we're using a separate build tree, set it up now. 5012# DIRS are directories which we simply mkdir in the build tree; 5013# LINKS are things to symlink back into the source tree 5014# (these can be both files and directories). 5015# Caution: do not add files or directories here using wildcards. This 5016# will result in problems later if a new file matching the wildcard is 5017# added to the source tree -- nothing will cause configure to be rerun 5018# so the build tree will be missing the link back to the new file, and 5019# tests might fail. Prefer to keep the relevant files in their own 5020# directory and symlink the directory instead. 5021# UNLINK is used to remove symlinks from older development versions 5022# that might get into the way when doing "git update" without doing 5023# a "make distclean" in between. 5024DIRS="tests tests/tcg tests/qapi-schema tests/qtest/libqos" 5025DIRS="$DIRS tests/qtest tests/qemu-iotests tests/vm tests/fp tests/qgraph" 5026DIRS="$DIRS docs docs/interop fsdev scsi" 5027DIRS="$DIRS pc-bios/optionrom pc-bios/s390-ccw" 5028DIRS="$DIRS roms/seabios" 5029DIRS="$DIRS contrib/plugins/" 5030LINKS="Makefile" 5031LINKS="$LINKS tests/tcg/Makefile.target" 5032LINKS="$LINKS pc-bios/optionrom/Makefile" 5033LINKS="$LINKS pc-bios/s390-ccw/Makefile" 5034LINKS="$LINKS roms/seabios/Makefile" 5035LINKS="$LINKS pc-bios/qemu-icon.bmp" 5036LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit 5037LINKS="$LINKS tests/acceptance tests/data" 5038LINKS="$LINKS tests/qemu-iotests/check" 5039LINKS="$LINKS python" 5040LINKS="$LINKS contrib/plugins/Makefile " 5041UNLINK="pc-bios/keymaps" 5042for bios_file in \ 5043 $source_path/pc-bios/*.bin \ 5044 $source_path/pc-bios/*.elf \ 5045 $source_path/pc-bios/*.lid \ 5046 $source_path/pc-bios/*.rom \ 5047 $source_path/pc-bios/*.dtb \ 5048 $source_path/pc-bios/*.img \ 5049 $source_path/pc-bios/openbios-* \ 5050 $source_path/pc-bios/u-boot.* \ 5051 $source_path/pc-bios/edk2-*.fd.bz2 \ 5052 $source_path/pc-bios/palcode-* 5053do 5054 LINKS="$LINKS pc-bios/$(basename $bios_file)" 5055done 5056mkdir -p $DIRS 5057for f in $LINKS ; do 5058 if [ -e "$source_path/$f" ]; then 5059 symlink "$source_path/$f" "$f" 5060 fi 5061done 5062for f in $UNLINK ; do 5063 if [ -L "$f" ]; then 5064 rm -f "$f" 5065 fi 5066done 5067 5068(for i in $cross_cc_vars; do 5069 export $i 5070done 5071export target_list source_path use_containers ARCH 5072$source_path/tests/tcg/configure.sh) 5073 5074# temporary config to build submodules 5075for rom in seabios; do 5076 config_mak=roms/$rom/config.mak 5077 echo "# Automatically generated by configure - do not modify" > $config_mak 5078 echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak 5079 echo "AS=$as" >> $config_mak 5080 echo "CCAS=$ccas" >> $config_mak 5081 echo "CC=$cc" >> $config_mak 5082 echo "BCC=bcc" >> $config_mak 5083 echo "CPP=$cpp" >> $config_mak 5084 echo "OBJCOPY=objcopy" >> $config_mak 5085 echo "IASL=$iasl" >> $config_mak 5086 echo "LD=$ld" >> $config_mak 5087 echo "RANLIB=$ranlib" >> $config_mak 5088done 5089 5090if test "$skip_meson" = no; then 5091 cross="config-meson.cross.new" 5092 meson_quote() { 5093 echo "'$(echo $* | sed "s/ /','/g")'" 5094 } 5095 5096 echo "# Automatically generated by configure - do not modify" > $cross 5097 echo "[properties]" >> $cross 5098 5099 # unroll any custom device configs 5100 if test -n "$device_archs"; then 5101 for a in $device_archs; do 5102 eval "c=\$devices_${a}" 5103 echo "${a}-softmmu = '$c'" >> $cross 5104 done 5105 fi 5106 5107 test -z "$cxx" && echo "link_language = 'c'" >> $cross 5108 echo "[built-in options]" >> $cross 5109 echo "c_args = [${CFLAGS:+$(meson_quote $CFLAGS)}]" >> $cross 5110 echo "cpp_args = [${CXXFLAGS:+$(meson_quote $CXXFLAGS)}]" >> $cross 5111 echo "c_link_args = [${LDFLAGS:+$(meson_quote $LDFLAGS)}]" >> $cross 5112 echo "cpp_link_args = [${LDFLAGS:+$(meson_quote $LDFLAGS)}]" >> $cross 5113 echo "[binaries]" >> $cross 5114 echo "c = [$(meson_quote $cc)]" >> $cross 5115 test -n "$cxx" && echo "cpp = [$(meson_quote $cxx)]" >> $cross 5116 test -n "$objcc" && echo "objc = [$(meson_quote $objcc)]" >> $cross 5117 echo "ar = [$(meson_quote $ar)]" >> $cross 5118 echo "nm = [$(meson_quote $nm)]" >> $cross 5119 echo "pkgconfig = [$(meson_quote $pkg_config_exe)]" >> $cross 5120 echo "ranlib = [$(meson_quote $ranlib)]" >> $cross 5121 if has $sdl2_config; then 5122 echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross 5123 fi 5124 echo "strip = [$(meson_quote $strip)]" >> $cross 5125 echo "windres = [$(meson_quote $windres)]" >> $cross 5126 if test "$cross_compile" = "yes"; then 5127 cross_arg="--cross-file config-meson.cross" 5128 echo "[host_machine]" >> $cross 5129 if test "$mingw32" = "yes" ; then 5130 echo "system = 'windows'" >> $cross 5131 fi 5132 if test "$linux" = "yes" ; then 5133 echo "system = 'linux'" >> $cross 5134 fi 5135 if test "$darwin" = "yes" ; then 5136 echo "system = 'darwin'" >> $cross 5137 fi 5138 case "$ARCH" in 5139 i386) 5140 echo "cpu_family = 'x86'" >> $cross 5141 ;; 5142 x86_64|x32) 5143 echo "cpu_family = 'x86_64'" >> $cross 5144 ;; 5145 ppc64le) 5146 echo "cpu_family = 'ppc64'" >> $cross 5147 ;; 5148 *) 5149 echo "cpu_family = '$ARCH'" >> $cross 5150 ;; 5151 esac 5152 echo "cpu = '$cpu'" >> $cross 5153 if test "$bigendian" = "yes" ; then 5154 echo "endian = 'big'" >> $cross 5155 else 5156 echo "endian = 'little'" >> $cross 5157 fi 5158 else 5159 cross_arg="--native-file config-meson.cross" 5160 fi 5161 mv $cross config-meson.cross 5162 5163 rm -rf meson-private meson-info meson-logs 5164 unset staticpic 5165 if ! version_ge "$($meson --version)" 0.56.0; then 5166 staticpic=$(if test "$pie" = yes; then echo true; else echo false; fi) 5167 fi 5168 NINJA=$ninja $meson setup \ 5169 --prefix "$prefix" \ 5170 --libdir "$libdir" \ 5171 --libexecdir "$libexecdir" \ 5172 --bindir "$bindir" \ 5173 --includedir "$includedir" \ 5174 --datadir "$datadir" \ 5175 --mandir "$mandir" \ 5176 --sysconfdir "$sysconfdir" \ 5177 --localedir "$localedir" \ 5178 --localstatedir "$local_statedir" \ 5179 -Ddocdir="$docdir" \ 5180 -Dqemu_firmwarepath="$firmwarepath" \ 5181 -Dqemu_suffix="$qemu_suffix" \ 5182 -Doptimization=$(if test "$debug" = yes; then echo 0; else echo 2; fi) \ 5183 -Ddebug=$(if test "$debug_info" = yes; then echo true; else echo false; fi) \ 5184 -Dwerror=$(if test "$werror" = yes; then echo true; else echo false; fi) \ 5185 -Dstrip=$(if test "$strip_opt" = yes; then echo true; else echo false; fi) \ 5186 -Db_pie=$(if test "$pie" = yes; then echo true; else echo false; fi) \ 5187 ${staticpic:+-Db_staticpic=$staticpic} \ 5188 -Db_coverage=$(if test "$gcov" = yes; then echo true; else echo false; fi) \ 5189 -Db_lto=$lto -Dcfi=$cfi -Dcfi_debug=$cfi_debug \ 5190 -Dmalloc=$malloc -Dmalloc_trim=$malloc_trim -Dsparse=$sparse \ 5191 -Dkvm=$kvm -Dhax=$hax -Dwhpx=$whpx -Dhvf=$hvf -Dnvmm=$nvmm \ 5192 -Dxen=$xen -Dxen_pci_passthrough=$xen_pci_passthrough -Dtcg=$tcg \ 5193 -Dcocoa=$cocoa -Dgtk=$gtk -Dmpath=$mpath -Dsdl=$sdl -Dsdl_image=$sdl_image \ 5194 -Dlibusb=$libusb -Dsmartcard=$smartcard -Dusb_redir=$usb_redir -Dvte=$vte \ 5195 -Dvnc=$vnc -Dvnc_sasl=$vnc_sasl -Dvnc_jpeg=$vnc_jpeg -Dvnc_png=$vnc_png \ 5196 -Dgettext=$gettext -Dxkbcommon=$xkbcommon -Du2f=$u2f -Dvirtiofsd=$virtiofsd \ 5197 -Dcapstone=$capstone -Dslirp=$slirp -Dfdt=$fdt -Dbrlapi=$brlapi \ 5198 -Dcurl=$curl -Dglusterfs=$glusterfs -Dbzip2=$bzip2 -Dlibiscsi=$libiscsi \ 5199 -Dlibnfs=$libnfs -Diconv=$iconv -Dcurses=$curses -Dlibudev=$libudev\ 5200 -Drbd=$rbd -Dlzo=$lzo -Dsnappy=$snappy -Dlzfse=$lzfse -Dlibxml2=$libxml2 \ 5201 -Dlibdaxctl=$libdaxctl -Dlibpmem=$libpmem -Dlinux_io_uring=$linux_io_uring \ 5202 -Dgnutls=$gnutls -Dnettle=$nettle -Dgcrypt=$gcrypt -Dauth_pam=$auth_pam \ 5203 -Dzstd=$zstd -Dseccomp=$seccomp -Dvirtfs=$virtfs -Dcap_ng=$cap_ng \ 5204 -Dattr=$attr -Ddefault_devices=$default_devices -Dvirglrenderer=$virglrenderer \ 5205 -Ddocs=$docs -Dsphinx_build=$sphinx_build -Dinstall_blobs=$blobs \ 5206 -Dvhost_user_blk_server=$vhost_user_blk_server -Dmultiprocess=$multiprocess \ 5207 -Dfuse=$fuse -Dfuse_lseek=$fuse_lseek -Dguest_agent_msi=$guest_agent_msi -Dbpf=$bpf\ 5208 $(if test "$default_features" = no; then echo "-Dauto_features=disabled"; fi) \ 5209 -Dtcg_interpreter=$tcg_interpreter \ 5210 $cross_arg \ 5211 "$PWD" "$source_path" 5212 5213 if test "$?" -ne 0 ; then 5214 error_exit "meson setup failed" 5215 fi 5216else 5217 if test -f meson-private/cmd_line.txt; then 5218 # Adjust old command line options whose type was changed 5219 # Avoids having to use "setup --wipe" when Meson is upgraded 5220 perl -i -ne ' 5221 s/^gettext = true$/gettext = auto/; 5222 s/^gettext = false$/gettext = disabled/; 5223 print;' meson-private/cmd_line.txt 5224 fi 5225fi 5226 5227if test -n "${deprecated_features}"; then 5228 echo "Warning, deprecated features enabled." 5229 echo "Please see docs/system/deprecated.rst" 5230 echo " features: ${deprecated_features}" 5231fi 5232 5233# Create list of config switches that should be poisoned in common code... 5234# but filter out CONFIG_TCG and CONFIG_USER_ONLY which are special. 5235target_configs_h=$(ls *-config-devices.h *-config-target.h 2>/dev/null) 5236if test -n "$target_configs_h" ; then 5237 sed -n -e '/CONFIG_TCG/d' -e '/CONFIG_USER_ONLY/d' \ 5238 -e '/^#define / { s///; s/ .*//; s/^/#pragma GCC poison /p; }' \ 5239 $target_configs_h | sort -u > config-poison.h 5240else 5241 :> config-poison.h 5242fi 5243 5244# Save the configure command line for later reuse. 5245cat <<EOD >config.status 5246#!/bin/sh 5247# Generated by configure. 5248# Run this file to recreate the current configuration. 5249# Compiler output produced by configure, useful for debugging 5250# configure, is in config.log if it exists. 5251EOD 5252 5253preserve_env() { 5254 envname=$1 5255 5256 eval envval=\$$envname 5257 5258 if test -n "$envval" 5259 then 5260 echo "$envname='$envval'" >> config.status 5261 echo "export $envname" >> config.status 5262 else 5263 echo "unset $envname" >> config.status 5264 fi 5265} 5266 5267# Preserve various env variables that influence what 5268# features/build target configure will detect 5269preserve_env AR 5270preserve_env AS 5271preserve_env CC 5272preserve_env CPP 5273preserve_env CXX 5274preserve_env INSTALL 5275preserve_env LD 5276preserve_env LD_LIBRARY_PATH 5277preserve_env LIBTOOL 5278preserve_env MAKE 5279preserve_env NM 5280preserve_env OBJCOPY 5281preserve_env PATH 5282preserve_env PKG_CONFIG 5283preserve_env PKG_CONFIG_LIBDIR 5284preserve_env PKG_CONFIG_PATH 5285preserve_env PYTHON 5286preserve_env SDL2_CONFIG 5287preserve_env SMBD 5288preserve_env STRIP 5289preserve_env WINDRES 5290 5291printf "exec" >>config.status 5292for i in "$0" "$@"; do 5293 test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status 5294done 5295echo ' "$@"' >>config.status 5296chmod +x config.status 5297 5298rm -r "$TMPDIR1" 5299