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 if ! mkdir build || ! touch $MARKER 35 then 36 echo "ERROR: Could not create ./build directory. Check the permissions on" 37 echo "your source directory, or try doing an out-of-tree build." 38 exit 1 39 fi 40 41 cat > GNUmakefile <<'EOF' 42# This file is auto-generated by configure to support in-source tree 43# 'make' command invocation 44 45ifeq ($(MAKECMDGOALS),) 46recurse: all 47endif 48 49.NOTPARALLEL: % 50%: force 51 @echo 'changing dir to build for $(MAKE) "$(MAKECMDGOALS)"...' 52 @$(MAKE) -C build -f Makefile $(MAKECMDGOALS) 53 @if test "$(MAKECMDGOALS)" = "distclean" && \ 54 test -e build/auto-created-by-configure ; \ 55 then \ 56 rm -rf build GNUmakefile ; \ 57 fi 58force: ; 59.PHONY: force 60GNUmakefile: ; 61 62EOF 63 cd build 64 exec "$source_path/configure" "$@" 65fi 66 67# Temporary directory used for files created while 68# configure runs. Since it is in the build directory 69# we can safely blow away any previous version of it 70# (and we need not jump through hoops to try to delete 71# it when configure exits.) 72TMPDIR1="config-temp" 73rm -rf "${TMPDIR1}" 74if ! mkdir -p "${TMPDIR1}"; then 75 echo "ERROR: failed to create temporary directory" 76 exit 1 77fi 78 79TMPB="qemu-conf" 80TMPC="${TMPDIR1}/${TMPB}.c" 81TMPO="${TMPDIR1}/${TMPB}.o" 82TMPM="${TMPDIR1}/${TMPB}.m" 83TMPE="${TMPDIR1}/${TMPB}.exe" 84 85rm -f config.log 86 87# Print a helpful header at the top of config.log 88echo "# QEMU configure log $(date)" >> config.log 89printf "# Configured with:" >> config.log 90# repeat the invocation to log and stdout for CI 91invoke=$(printf " '%s'" "$0" "$@") 92test -n "$GITLAB_CI" && echo "configuring with: $invoke" 93{ echo "$invoke"; echo; echo "#"; } >> config.log 94 95quote_sh() { 96 printf "%s" "$1" | sed "s,','\\\\'',g; s,.*,'&'," 97} 98 99print_error() { 100 (echo 101 echo "ERROR: $1" 102 while test -n "$2"; do 103 echo " $2" 104 shift 105 done 106 echo) >&2 107} 108 109error_exit() { 110 print_error "$@" 111 exit 1 112} 113 114do_compiler() { 115 # Run the compiler, capturing its output to the log. First argument 116 # is compiler binary to execute. 117 compiler="$1" 118 shift 119 if test -n "$BASH_VERSION"; then eval ' 120 echo >>config.log " 121funcs: ${FUNCNAME[*]} 122lines: ${BASH_LINENO[*]}" 123 '; fi 124 echo $compiler "$@" >> config.log 125 $compiler "$@" >> config.log 2>&1 || return $? 126} 127 128do_compiler_werror() { 129 # Run the compiler, capturing its output to the log. First argument 130 # is compiler binary to execute. 131 compiler="$1" 132 shift 133 if test -n "$BASH_VERSION"; then eval ' 134 echo >>config.log " 135funcs: ${FUNCNAME[*]} 136lines: ${BASH_LINENO[*]}" 137 '; fi 138 echo $compiler "$@" >> config.log 139 $compiler "$@" >> config.log 2>&1 || return $? 140 # Test passed. If this is an --enable-werror build, rerun 141 # the test with -Werror and bail out if it fails. This 142 # makes warning-generating-errors in configure test code 143 # obvious to developers. 144 if test "$werror" != "yes"; then 145 return 0 146 fi 147 # Don't bother rerunning the compile if we were already using -Werror 148 case "$*" in 149 *-Werror*) 150 return 0 151 ;; 152 esac 153 echo $compiler -Werror "$@" >> config.log 154 $compiler -Werror "$@" >> config.log 2>&1 && return $? 155 error_exit "configure test passed without -Werror but failed with -Werror." \ 156 "This is probably a bug in the configure script. The failing command" \ 157 "will be at the bottom of config.log." \ 158 "You can run configure with --disable-werror to bypass this check." 159} 160 161do_cc() { 162 do_compiler_werror "$cc" $CPU_CFLAGS "$@" 163} 164 165do_objc() { 166 do_compiler_werror "$objcc" $CPU_CFLAGS "$@" 167} 168 169# Append $2 to the variable named $1, with space separation 170add_to() { 171 eval $1=\${$1:+\"\$$1 \"}\$2 172} 173 174compile_object() { 175 local_cflags="$1" 176 do_cc $CFLAGS $EXTRA_CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC 177} 178 179compile_prog() { 180 local_cflags="$1" 181 local_ldflags="$2" 182 do_cc $CFLAGS $EXTRA_CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC \ 183 $LDFLAGS $EXTRA_LDFLAGS $CONFIGURE_LDFLAGS $QEMU_LDFLAGS $local_ldflags 184} 185 186# symbolically link $1 to $2. Portable version of "ln -sf". 187symlink() { 188 rm -rf "$2" 189 mkdir -p "$(dirname "$2")" 190 ln -s "$1" "$2" 191} 192 193# check whether a command is available to this shell (may be either an 194# executable or a builtin) 195has() { 196 type "$1" >/dev/null 2>&1 197} 198 199version_ge () { 200 local_ver1=$(expr "$1" : '\([0-9.]*\)' | tr . ' ') 201 local_ver2=$(echo "$2" | tr . ' ') 202 while true; do 203 set x $local_ver1 204 local_first=${2-0} 205 # 'shift 2' if $2 is set, or 'shift' if $2 is not set 206 shift ${2:+2} 207 local_ver1=$* 208 set x $local_ver2 209 # the second argument finished, the first must be greater or equal 210 test $# = 1 && return 0 211 test $local_first -lt $2 && return 1 212 test $local_first -gt $2 && return 0 213 shift ${2:+2} 214 local_ver2=$* 215 done 216} 217 218if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]"; 219then 220 error_exit "main directory cannot contain spaces nor colons" 221fi 222 223# default parameters 224cpu="" 225static="no" 226cross_compile="no" 227cross_prefix="" 228host_cc="cc" 229stack_protector="" 230safe_stack="" 231use_containers="yes" 232gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb") 233gdb_arches="" 234glib_has_gslice="no" 235 236if test -e "$source_path/.git" 237then 238 git_submodules_action="update" 239else 240 git_submodules_action="ignore" 241fi 242 243git_submodules="ui/keycodemapdb" 244git="git" 245 246# Don't accept a target_list environment variable. 247unset target_list 248unset target_list_exclude 249 250# Default value for a variable defining feature "foo". 251# * foo="no" feature will only be used if --enable-foo arg is given 252# * foo="" feature will be searched for, and if found, will be used 253# unless --disable-foo is given 254# * foo="yes" this value will only be set by --enable-foo flag. 255# feature will searched for, 256# if not found, configure exits with error 257# 258# Always add --enable-foo and --disable-foo command line args. 259# Distributions want to ensure that several features are compiled in, and it 260# is impossible without a --enable-foo that exits if a feature is not found. 261 262default_feature="" 263# parse CC options second 264for opt do 265 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 266 case "$opt" in 267 --without-default-features) 268 default_feature="no" 269 ;; 270 esac 271done 272 273EXTRA_CFLAGS="" 274EXTRA_CXXFLAGS="" 275EXTRA_OBJCFLAGS="" 276EXTRA_LDFLAGS="" 277 278debug_tcg="no" 279sanitizers="no" 280tsan="no" 281fortify_source="yes" 282docs="auto" 283EXESUF="" 284modules="no" 285prefix="/usr/local" 286qemu_suffix="qemu" 287softmmu="yes" 288linux_user="" 289bsd_user="" 290pie="" 291coroutine="" 292plugins="$default_feature" 293ninja="" 294bindir="bin" 295skip_meson=no 296vfio_user_server="disabled" 297 298# The following Meson options are handled manually (still they 299# are included in the automatically generated help message) 300 301# 1. Track which submodules are needed 302fdt="auto" 303 304# 2. Automatically enable/disable other options 305tcg="auto" 306cfi="false" 307 308# parse CC options second 309for opt do 310 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 311 case "$opt" in 312 --cross-prefix=*) cross_prefix="$optarg" 313 cross_compile="yes" 314 ;; 315 --cc=*) CC="$optarg" 316 ;; 317 --cxx=*) CXX="$optarg" 318 ;; 319 --objcc=*) objcc="$optarg" 320 ;; 321 --cpu=*) cpu="$optarg" 322 ;; 323 --extra-cflags=*) 324 EXTRA_CFLAGS="$EXTRA_CFLAGS $optarg" 325 EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg" 326 EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg" 327 ;; 328 --extra-cxxflags=*) EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg" 329 ;; 330 --extra-objcflags=*) EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg" 331 ;; 332 --extra-ldflags=*) EXTRA_LDFLAGS="$EXTRA_LDFLAGS $optarg" 333 ;; 334 --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option" 335 ;; 336 --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-cflags-}; cc_arch=${cc_arch%%=*} 337 eval "cross_cc_cflags_${cc_arch}=\$optarg" 338 ;; 339 --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*} 340 eval "cross_cc_${cc_arch}=\$optarg" 341 ;; 342 --cross-prefix-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-prefix-FOO option" 343 ;; 344 --cross-prefix-*) cc_arch=${opt#--cross-prefix-}; cc_arch=${cc_arch%%=*} 345 eval "cross_prefix_${cc_arch}=\$optarg" 346 ;; 347 esac 348done 349 350# Preferred compiler: 351# ${CC} (if set) 352# ${cross_prefix}gcc (if cross-prefix specified) 353# system compiler 354if test -z "${CC}${cross_prefix}"; then 355 cc="$host_cc" 356else 357 cc="${CC-${cross_prefix}gcc}" 358fi 359 360if test -z "${CXX}${cross_prefix}"; then 361 cxx="c++" 362else 363 cxx="${CXX-${cross_prefix}g++}" 364fi 365 366# Preferred ObjC compiler: 367# $objcc (if set, i.e. via --objcc option) 368# ${cross_prefix}clang (if cross-prefix specified) 369# clang (if available) 370# $cc 371if test -z "${objcc}${cross_prefix}"; then 372 if has clang; then 373 objcc=clang 374 else 375 objcc="$cc" 376 fi 377else 378 objcc="${objcc-${cross_prefix}clang}" 379fi 380 381ar="${AR-${cross_prefix}ar}" 382as="${AS-${cross_prefix}as}" 383ccas="${CCAS-$cc}" 384objcopy="${OBJCOPY-${cross_prefix}objcopy}" 385ld="${LD-${cross_prefix}ld}" 386ranlib="${RANLIB-${cross_prefix}ranlib}" 387nm="${NM-${cross_prefix}nm}" 388smbd="$SMBD" 389strip="${STRIP-${cross_prefix}strip}" 390widl="${WIDL-${cross_prefix}widl}" 391windres="${WINDRES-${cross_prefix}windres}" 392windmc="${WINDMC-${cross_prefix}windmc}" 393pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}" 394query_pkg_config() { 395 "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@" 396} 397pkg_config=query_pkg_config 398sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}" 399 400# default flags for all hosts 401# We use -fwrapv to tell the compiler that we require a C dialect where 402# left shift of signed integers is well defined and has the expected 403# 2s-complement style results. (Both clang and gcc agree that it 404# provides these semantics.) 405QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv" 406QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS" 407 408QEMU_LDFLAGS= 409 410# Flags that are needed during configure but later taken care of by Meson 411CONFIGURE_CFLAGS="-std=gnu11 -Wall" 412CONFIGURE_LDFLAGS= 413 414 415check_define() { 416cat > $TMPC <<EOF 417#if !defined($1) 418#error $1 not defined 419#endif 420int main(void) { return 0; } 421EOF 422 compile_object 423} 424 425check_include() { 426cat > $TMPC <<EOF 427#include <$1> 428int main(void) { return 0; } 429EOF 430 compile_object 431} 432 433write_c_skeleton() { 434 cat > $TMPC <<EOF 435int main(void) { return 0; } 436EOF 437} 438 439if check_define __linux__ ; then 440 targetos=linux 441elif check_define _WIN32 ; then 442 targetos=windows 443elif check_define __OpenBSD__ ; then 444 targetos=openbsd 445elif check_define __sun__ ; then 446 targetos=sunos 447elif check_define __HAIKU__ ; then 448 targetos=haiku 449elif check_define __FreeBSD__ ; then 450 targetos=freebsd 451elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then 452 targetos=gnu/kfreebsd 453elif check_define __DragonFly__ ; then 454 targetos=dragonfly 455elif check_define __NetBSD__; then 456 targetos=netbsd 457elif check_define __APPLE__; then 458 targetos=darwin 459else 460 # This is a fatal error, but don't report it yet, because we 461 # might be going to just print the --help text, or it might 462 # be the result of a missing compiler. 463 targetos=bogus 464fi 465 466# OS specific 467 468mingw32="no" 469bsd="no" 470linux="no" 471solaris="no" 472case $targetos in 473windows) 474 mingw32="yes" 475 plugins="no" 476 pie="no" 477;; 478gnu/kfreebsd) 479 bsd="yes" 480;; 481freebsd) 482 bsd="yes" 483 make="${MAKE-gmake}" 484 # needed for kinfo_getvmmap(3) in libutil.h 485;; 486dragonfly) 487 bsd="yes" 488 make="${MAKE-gmake}" 489;; 490netbsd) 491 bsd="yes" 492 make="${MAKE-gmake}" 493;; 494openbsd) 495 bsd="yes" 496 make="${MAKE-gmake}" 497;; 498darwin) 499 bsd="yes" 500 darwin="yes" 501 # Disable attempts to use ObjectiveC features in os/object.h since they 502 # won't work when we're compiling with gcc as a C compiler. 503 QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS" 504;; 505sunos) 506 solaris="yes" 507 make="${MAKE-gmake}" 508# needed for CMSG_ macros in sys/socket.h 509 QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS" 510# needed for TIOCWIN* defines in termios.h 511 QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS" 512;; 513haiku) 514 pie="no" 515 QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -D_BSD_SOURCE -fPIC $QEMU_CFLAGS" 516;; 517linux) 518 linux="yes" 519;; 520esac 521 522if test ! -z "$cpu" ; then 523 # command line argument 524 : 525elif check_define __i386__ ; then 526 cpu="i386" 527elif check_define __x86_64__ ; then 528 if check_define __ILP32__ ; then 529 cpu="x32" 530 else 531 cpu="x86_64" 532 fi 533elif check_define __sparc__ ; then 534 if check_define __arch64__ ; then 535 cpu="sparc64" 536 else 537 cpu="sparc" 538 fi 539elif check_define _ARCH_PPC ; then 540 if check_define _ARCH_PPC64 ; then 541 if check_define _LITTLE_ENDIAN ; then 542 cpu="ppc64le" 543 else 544 cpu="ppc64" 545 fi 546 else 547 cpu="ppc" 548 fi 549elif check_define __mips__ ; then 550 cpu="mips" 551elif check_define __s390__ ; then 552 if check_define __s390x__ ; then 553 cpu="s390x" 554 else 555 cpu="s390" 556 fi 557elif check_define __riscv ; then 558 cpu="riscv" 559elif check_define __arm__ ; then 560 cpu="arm" 561elif check_define __aarch64__ ; then 562 cpu="aarch64" 563elif check_define __loongarch64 ; then 564 cpu="loongarch64" 565else 566 # Using uname is really broken, but it is just a fallback for architectures 567 # that are going to use TCI anyway 568 cpu=$(uname -m) 569 echo "WARNING: unrecognized host CPU, proceeding with 'uname -m' output '$cpu'" 570fi 571 572# Normalise host CPU name and set multilib cflags. The canonicalization 573# isn't really necessary, because the architectures that we check for 574# should not hit the 'uname -m' case, but better safe than sorry. 575# Note that this case should only have supported host CPUs, not guests. 576case "$cpu" in 577 armv*b|armv*l|arm) 578 cpu="arm" ;; 579 580 i386|i486|i586|i686) 581 cpu="i386" 582 CPU_CFLAGS="-m32" ;; 583 x32) 584 cpu="x86_64" 585 CPU_CFLAGS="-mx32" ;; 586 x86_64|amd64) 587 cpu="x86_64" 588 # ??? Only extremely old AMD cpus do not have cmpxchg16b. 589 # If we truly care, we should simply detect this case at 590 # runtime and generate the fallback to serial emulation. 591 CPU_CFLAGS="-m64 -mcx16" ;; 592 593 mips*) 594 cpu="mips" ;; 595 596 ppc) 597 CPU_CFLAGS="-m32" ;; 598 ppc64) 599 CPU_CFLAGS="-m64 -mbig-endian" ;; 600 ppc64le) 601 cpu="ppc64" 602 CPU_CFLAGS="-m64 -mlittle-endian" ;; 603 604 s390) 605 CPU_CFLAGS="-m31" ;; 606 s390x) 607 CPU_CFLAGS="-m64" ;; 608 609 sparc|sun4[cdmuv]) 610 cpu="sparc" 611 CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc" ;; 612 sparc64) 613 CPU_CFLAGS="-m64 -mcpu=ultrasparc" ;; 614esac 615 616: ${make=${MAKE-make}} 617 618 619check_py_version() { 620 # We require python >= 3.7. 621 # NB: a True python conditional creates a non-zero return code (Failure) 622 "$1" -c 'import sys; sys.exit(sys.version_info < (3,7))' 623} 624 625python= 626pypi="enabled" 627first_python= 628if test -z "${PYTHON}"; then 629 # A bare 'python' is traditionally python 2.x, but some distros 630 # have it as python 3.x, so check in both places. 631 for binary in python3 python python3.11 python3.10 python3.9 python3.8 python3.7; do 632 if has "$binary"; then 633 python=$(command -v "$binary") 634 if check_py_version "$python"; then 635 # This one is good. 636 first_python= 637 break 638 else 639 first_python=$python 640 fi 641 fi 642 done 643else 644 # Same as above, but only check the environment variable. 645 has "${PYTHON}" || error_exit "The PYTHON environment variable does not point to an executable" 646 python=$(command -v "$PYTHON") 647 if check_py_version "$python"; then 648 # This one is good. 649 first_python= 650 else 651 first_python=$first_python 652 fi 653fi 654 655# Check for ancillary tools used in testing 656genisoimage= 657for binary in genisoimage mkisofs 658do 659 if has $binary 660 then 661 genisoimage=$(command -v "$binary") 662 break 663 fi 664done 665 666if test "$mingw32" = "yes" ; then 667 EXESUF=".exe" 668 # MinGW needs -mthreads for TLS and macro _MT. 669 CONFIGURE_CFLAGS="-mthreads $CONFIGURE_CFLAGS" 670 prefix="/qemu" 671 bindir="" 672 qemu_suffix="" 673fi 674 675werror="" 676 677meson_option_build_array() { 678 printf '[' 679 (if test "$targetos" = windows; then 680 IFS=\; 681 else 682 IFS=: 683 fi 684 for e in $1; do 685 printf '"""' 686 # backslash escape any '\' and '"' characters 687 printf "%s" "$e" | sed -e 's/\([\"]\)/\\\1/g' 688 printf '""",' 689 done) 690 printf ']\n' 691} 692 693. "$source_path/scripts/meson-buildoptions.sh" 694 695meson_options= 696meson_option_add() { 697 meson_options="$meson_options $(quote_sh "$1")" 698} 699meson_option_parse() { 700 meson_options="$meson_options $(_meson_option_parse "$@")" 701 if test $? -eq 1; then 702 echo "ERROR: unknown option $1" 703 echo "Try '$0 --help' for more information" 704 exit 1 705 fi 706} 707 708for opt do 709 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 710 case "$opt" in 711 --help|-h) show_help=yes 712 ;; 713 --version|-V) exec cat "$source_path/VERSION" 714 ;; 715 --prefix=*) prefix="$optarg" 716 ;; 717 --cross-prefix=*) 718 ;; 719 --cc=*) 720 ;; 721 --host-cc=*) host_cc="$optarg" 722 ;; 723 --cxx=*) 724 ;; 725 --objcc=*) 726 ;; 727 --make=*) make="$optarg" 728 ;; 729 --install=*) 730 ;; 731 --python=*) python="$optarg" 732 ;; 733 --skip-meson) skip_meson=yes 734 ;; 735 --ninja=*) ninja="$optarg" 736 ;; 737 --smbd=*) smbd="$optarg" 738 ;; 739 --extra-cflags=*) 740 ;; 741 --extra-cxxflags=*) 742 ;; 743 --extra-objcflags=*) 744 ;; 745 --extra-ldflags=*) 746 ;; 747 --cross-cc-*) 748 ;; 749 --cross-prefix-*) 750 ;; 751 --enable-debug-info) meson_option_add -Ddebug=true 752 ;; 753 --disable-debug-info) meson_option_add -Ddebug=false 754 ;; 755 --enable-docs) docs=enabled 756 ;; 757 --disable-docs) docs=disabled 758 ;; 759 --enable-modules) 760 modules="yes" 761 ;; 762 --disable-modules) 763 modules="no" 764 ;; 765 --cpu=*) 766 ;; 767 --target-list=*) target_list="$optarg" 768 if test "$target_list_exclude"; then 769 error_exit "Can't mix --target-list with --target-list-exclude" 770 fi 771 ;; 772 --target-list-exclude=*) target_list_exclude="$optarg" 773 if test "$target_list"; then 774 error_exit "Can't mix --target-list-exclude with --target-list" 775 fi 776 ;; 777 --with-default-devices) meson_option_add -Ddefault_devices=true 778 ;; 779 --without-default-devices) meson_option_add -Ddefault_devices=false 780 ;; 781 --with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option" 782 ;; 783 --with-devices-*) device_arch=${opt#--with-devices-}; 784 device_arch=${device_arch%%=*} 785 cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak 786 if test -f "$cf"; then 787 device_archs="$device_archs $device_arch" 788 eval "devices_${device_arch}=\$optarg" 789 else 790 error_exit "File $cf does not exist" 791 fi 792 ;; 793 --without-default-features) # processed above 794 ;; 795 --static) 796 static="yes" 797 QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS" 798 ;; 799 --bindir=*) bindir="$optarg" 800 ;; 801 --with-suffix=*) qemu_suffix="$optarg" 802 ;; 803 --host=*|--build=*|\ 804 --disable-dependency-tracking|\ 805 --sbindir=*|--sharedstatedir=*|\ 806 --oldincludedir=*|--datarootdir=*|--infodir=*|\ 807 --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*) 808 # These switches are silently ignored, for compatibility with 809 # autoconf-generated configure scripts. This allows QEMU's 810 # configure to be used by RPM and similar macros that set 811 # lots of directory switches by default. 812 ;; 813 --enable-debug-tcg) debug_tcg="yes" 814 ;; 815 --disable-debug-tcg) debug_tcg="no" 816 ;; 817 --enable-debug) 818 # Enable debugging options that aren't excessively noisy 819 debug_tcg="yes" 820 meson_option_parse --enable-debug-graph-lock "" 821 meson_option_parse --enable-debug-mutex "" 822 meson_option_add -Doptimization=0 823 fortify_source="no" 824 ;; 825 --enable-sanitizers) sanitizers="yes" 826 ;; 827 --disable-sanitizers) sanitizers="no" 828 ;; 829 --enable-tsan) tsan="yes" 830 ;; 831 --disable-tsan) tsan="no" 832 ;; 833 --disable-tcg) tcg="disabled" 834 plugins="no" 835 ;; 836 --enable-tcg) tcg="enabled" 837 ;; 838 --disable-system) softmmu="no" 839 ;; 840 --enable-system) softmmu="yes" 841 ;; 842 --disable-user) 843 linux_user="no" ; 844 bsd_user="no" ; 845 ;; 846 --enable-user) ;; 847 --disable-linux-user) linux_user="no" 848 ;; 849 --enable-linux-user) linux_user="yes" 850 ;; 851 --disable-bsd-user) bsd_user="no" 852 ;; 853 --enable-bsd-user) bsd_user="yes" 854 ;; 855 --enable-pie) pie="yes" 856 ;; 857 --disable-pie) pie="no" 858 ;; 859 --enable-werror) werror="yes" 860 ;; 861 --disable-werror) werror="no" 862 ;; 863 --enable-stack-protector) stack_protector="yes" 864 ;; 865 --disable-stack-protector) stack_protector="no" 866 ;; 867 --enable-safe-stack) safe_stack="yes" 868 ;; 869 --disable-safe-stack) safe_stack="no" 870 ;; 871 --enable-cfi) 872 cfi="true"; 873 meson_option_add -Db_lto=true 874 ;; 875 --disable-cfi) cfi="false" 876 ;; 877 --disable-fdt) fdt="disabled" 878 ;; 879 --enable-fdt) fdt="enabled" 880 ;; 881 --enable-fdt=git) fdt="internal" 882 ;; 883 --enable-fdt=*) fdt="$optarg" 884 ;; 885 --with-coroutine=*) coroutine="$optarg" 886 ;; 887 --with-git=*) git="$optarg" 888 ;; 889 --with-git-submodules=*) 890 git_submodules_action="$optarg" 891 ;; 892 --disable-pypi) pypi="disabled" 893 ;; 894 --enable-pypi) pypi="enabled" 895 ;; 896 --enable-plugins) if test "$mingw32" = "yes"; then 897 error_exit "TCG plugins not currently supported on Windows platforms" 898 else 899 plugins="yes" 900 fi 901 ;; 902 --disable-plugins) plugins="no" 903 ;; 904 --enable-containers) use_containers="yes" 905 ;; 906 --disable-containers) use_containers="no" 907 ;; 908 --gdb=*) gdb_bin="$optarg" 909 ;; 910 --enable-vfio-user-server) vfio_user_server="enabled" 911 ;; 912 --disable-vfio-user-server) vfio_user_server="disabled" 913 ;; 914 # everything else has the same name in configure and meson 915 --*) meson_option_parse "$opt" "$optarg" 916 ;; 917 esac 918done 919 920# test for any invalid configuration combinations 921if test "$plugins" = "yes" -a "$tcg" = "disabled"; then 922 error_exit "Can't enable plugins on non-TCG builds" 923fi 924 925case $git_submodules_action in 926 update|validate) 927 if test ! -e "$source_path/.git"; then 928 echo "ERROR: cannot $git_submodules_action git submodules without .git" 929 exit 1 930 fi 931 ;; 932 ignore) 933 if ! test -f "$source_path/ui/keycodemapdb/README" 934 then 935 echo 936 echo "ERROR: missing GIT submodules" 937 echo 938 if test -e "$source_path/.git"; then 939 echo "--with-git-submodules=ignore specified but submodules were not" 940 echo "checked out. Please initialize and update submodules." 941 else 942 echo "This is not a GIT checkout but module content appears to" 943 echo "be missing. Do not use 'git archive' or GitHub download links" 944 echo "to acquire QEMU source archives. Non-GIT builds are only" 945 echo "supported with source archives linked from:" 946 echo 947 echo " https://www.qemu.org/download/#source" 948 echo 949 echo "Developers working with GIT can use scripts/archive-source.sh" 950 echo "if they need to create valid source archives." 951 fi 952 echo 953 exit 1 954 fi 955 ;; 956 *) 957 echo "ERROR: invalid --with-git-submodules= value '$git_submodules_action'" 958 exit 1 959 ;; 960esac 961 962default_target_list="" 963mak_wilds="" 964 965if [ "$linux_user" != no ]; then 966 if [ "$targetos" = linux ] && [ -d "$source_path/linux-user/include/host/$cpu" ]; then 967 linux_user=yes 968 elif [ "$linux_user" = yes ]; then 969 error_exit "linux-user not supported on this architecture" 970 fi 971fi 972if [ "$bsd_user" != no ]; then 973 if [ "$bsd_user" = "" ]; then 974 test $targetos = freebsd && bsd_user=yes 975 fi 976 if [ "$bsd_user" = yes ] && ! [ -d "$source_path/bsd-user/$targetos" ]; then 977 error_exit "bsd-user not supported on this host OS" 978 fi 979fi 980if [ "$softmmu" = "yes" ]; then 981 mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak" 982fi 983if [ "$linux_user" = "yes" ]; then 984 mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak" 985fi 986if [ "$bsd_user" = "yes" ]; then 987 mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak" 988fi 989 990for config in $mak_wilds; do 991 target="$(basename "$config" .mak)" 992 if echo "$target_list_exclude" | grep -vq "$target"; then 993 default_target_list="${default_target_list} $target" 994 fi 995done 996 997if test x"$show_help" = x"yes" ; then 998cat << EOF 999 1000Usage: configure [options] 1001Options: [defaults in brackets after descriptions] 1002 1003Standard options: 1004 --help print this message 1005 --prefix=PREFIX install in PREFIX [$prefix] 1006 --target-list=LIST set target list (default: build all) 1007$(echo Available targets: $default_target_list | \ 1008 fold -s -w 53 | sed -e 's/^/ /') 1009 --target-list-exclude=LIST exclude a set of targets from the default target-list 1010 1011Advanced options (experts only): 1012 --cross-prefix=PREFIX use PREFIX for compile tools, PREFIX can be blank [$cross_prefix] 1013 --cc=CC use C compiler CC [$cc] 1014 --host-cc=CC use C compiler CC [$host_cc] for code run at 1015 build time 1016 --cxx=CXX use C++ compiler CXX [$cxx] 1017 --objcc=OBJCC use Objective-C compiler OBJCC [$objcc] 1018 --extra-cflags=CFLAGS append extra C compiler flags CFLAGS 1019 --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS 1020 --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS 1021 --extra-ldflags=LDFLAGS append extra linker flags LDFLAGS 1022 --cross-cc-ARCH=CC use compiler when building ARCH guest test cases 1023 --cross-cc-cflags-ARCH= use compiler flags when building ARCH guest tests 1024 --cross-prefix-ARCH=PREFIX cross compiler prefix when building ARCH guest test cases 1025 --make=MAKE use specified make [$make] 1026 --python=PYTHON use specified python [$python] 1027 --ninja=NINJA use specified ninja [$ninja] 1028 --smbd=SMBD use specified smbd [$smbd] 1029 --with-git=GIT use specified git [$git] 1030 --with-git-submodules=update update git submodules (default if .git dir exists) 1031 --with-git-submodules=validate fail if git submodules are not up to date 1032 --with-git-submodules=ignore do not update or check git submodules (default if no .git dir) 1033 --static enable static build [$static] 1034 --bindir=PATH install binaries in PATH 1035 --with-suffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix] 1036 --without-default-features default all --enable-* options to "disabled" 1037 --without-default-devices do not include any device that is not needed to 1038 start the emulator (only use if you are including 1039 desired devices in configs/devices/) 1040 --with-devices-ARCH=NAME override default configs/devices 1041 --enable-debug enable common debug build options 1042 --enable-sanitizers enable default sanitizers 1043 --enable-tsan enable thread sanitizer 1044 --disable-werror disable compilation abort on warning 1045 --disable-stack-protector disable compiler-provided stack protection 1046 --cpu=CPU Build for host CPU [$cpu] 1047 --with-coroutine=BACKEND coroutine backend. Supported options: 1048 ucontext, sigaltstack, windows 1049 --enable-plugins 1050 enable plugins via shared library loading 1051 --disable-containers don't use containers for cross-building 1052 --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin] 1053EOF 1054 meson_options_help 1055cat << EOF 1056 system all system emulation targets 1057 user supported user emulation targets 1058 linux-user all linux usermode emulation targets 1059 bsd-user all BSD usermode emulation targets 1060 pie Position Independent Executables 1061 modules modules support (non-Windows) 1062 debug-tcg TCG debugging (default is disabled) 1063 debug-info debugging information 1064 safe-stack SafeStack Stack Smash Protection. Depends on 1065 clang/llvm and requires coroutine backend ucontext. 1066 1067NOTE: The object files are built at the place where configure is launched 1068EOF 1069exit 0 1070fi 1071 1072# Remove old dependency files to make sure that they get properly regenerated 1073rm -f ./*/config-devices.mak.d 1074 1075if test -z "$python" 1076then 1077 # If first_python is set, there was a binary somewhere even though 1078 # it was not suitable. Use it for the error message. 1079 if test -n "$first_python"; then 1080 error_exit "Cannot use '$first_python', Python >= 3.7 is required." \ 1081 "Use --python=/path/to/python to specify a supported Python." 1082 else 1083 error_exit "Python not found. Use --python=/path/to/python" 1084 fi 1085fi 1086 1087if ! has "$make" 1088then 1089 error_exit "GNU make ($make) not found" 1090fi 1091 1092if ! check_py_version "$python"; then 1093 error_exit "Cannot use '$python', Python >= 3.7 is required." \ 1094 "Use --python=/path/to/python to specify a supported Python." \ 1095 "Maybe try:" \ 1096 " openSUSE Leap 15.3+: zypper install python39" \ 1097 " CentOS 8: dnf install python38" 1098fi 1099 1100# Resolve PATH 1101python="$(command -v "$python")" 1102 1103# Create a Python virtual environment using our configured python. 1104# The stdout of this script will be the location of a symlink that 1105# points to the configured Python. 1106# Entry point scripts for pip, meson, and sphinx are generated if those 1107# packages are present. 1108 1109# Defaults assumed for now: 1110# - venv is cleared if it exists already; 1111# - venv is allowed to use system packages; 1112# - all setup can be performed offline; 1113# - missing packages may be fetched from PyPI, 1114# unless --disable-pypi is passed. 1115# - pip is not installed into the venv when possible, 1116# but ensurepip is called as a fallback when necessary. 1117 1118echo "python determined to be '$python'" 1119echo "python version: $($python --version)" 1120 1121python="$($python -B "${source_path}/python/scripts/mkvenv.py" create pyvenv)" 1122if test "$?" -ne 0 ; then 1123 error_exit "python venv creation failed" 1124fi 1125 1126# Suppress writing compiled files 1127python="$python -B" 1128mkvenv="$python ${source_path}/python/scripts/mkvenv.py" 1129 1130mkvenv_flags="" 1131if test "$pypi" = "enabled" ; then 1132 mkvenv_flags="--online" 1133fi 1134 1135if ! $mkvenv ensure \ 1136 $mkvenv_flags \ 1137 --dir "${source_path}/python/wheels" \ 1138 --diagnose "meson" \ 1139 "meson>=0.63.0" ; 1140then 1141 exit 1 1142fi 1143 1144# At this point, we expect Meson to be installed and available. 1145# We expect mkvenv or pip to have created pyvenv/bin/meson for us. 1146# We ignore PATH completely here: we want to use the venv's Meson 1147# *exclusively*. 1148 1149meson="$(cd pyvenv/bin; pwd)/meson" 1150 1151# Conditionally ensure Sphinx is installed. 1152 1153mkvenv_flags="" 1154if test "$pypi" = "enabled" -a "$docs" = "enabled" ; then 1155 mkvenv_flags="--online" 1156fi 1157 1158if test "$docs" != "disabled" ; then 1159 if ! $mkvenv ensure \ 1160 $mkvenv_flags \ 1161 --diagnose "sphinx-build" \ 1162 "sphinx>=1.6.0" "sphinx-rtd-theme>=0.5.0"; 1163 then 1164 if test "$docs" = "enabled" ; then 1165 exit 1 1166 fi 1167 echo "Sphinx not found/usable, disabling docs." 1168 docs=disabled 1169 else 1170 docs=enabled 1171 fi 1172fi 1173 1174# Probe for ninja 1175 1176if test -z "$ninja"; then 1177 for c in ninja ninja-build samu; do 1178 if has $c; then 1179 ninja=$(command -v "$c") 1180 break 1181 fi 1182 done 1183 if test -z "$ninja"; then 1184 error_exit "Cannot find Ninja" 1185 fi 1186fi 1187 1188# Check that the C compiler works. Doing this here before testing 1189# the host CPU ensures that we had a valid CC to autodetect the 1190# $cpu var (and we should bail right here if that's not the case). 1191# It also allows the help message to be printed without a CC. 1192write_c_skeleton; 1193if compile_object ; then 1194 : C compiler works ok 1195else 1196 error_exit "\"$cc\" either does not exist or does not work" 1197fi 1198if ! compile_prog ; then 1199 error_exit "\"$cc\" cannot build an executable (is your linker broken?)" 1200fi 1201 1202# Consult white-list to determine whether to enable werror 1203# by default. Only enable by default for git builds 1204if test -z "$werror" ; then 1205 if test "$git_submodules_action" != "ignore" && \ 1206 { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then 1207 werror="yes" 1208 else 1209 werror="no" 1210 fi 1211fi 1212 1213if test "$targetos" = "bogus"; then 1214 # Now that we know that we're not printing the help and that 1215 # the compiler works (so the results of the check_defines we used 1216 # to identify the OS are reliable), if we didn't recognize the 1217 # host OS we should stop now. 1218 error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')" 1219fi 1220 1221# Check whether the compiler matches our minimum requirements: 1222cat > $TMPC << EOF 1223#if defined(__clang_major__) && defined(__clang_minor__) 1224# ifdef __apple_build_version__ 1225# if __clang_major__ < 12 || (__clang_major__ == 12 && __clang_minor__ < 0) 1226# error You need at least XCode Clang v12.0 to compile QEMU 1227# endif 1228# else 1229# if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0) 1230# error You need at least Clang v10.0 to compile QEMU 1231# endif 1232# endif 1233#elif defined(__GNUC__) && defined(__GNUC_MINOR__) 1234# if __GNUC__ < 7 || (__GNUC__ == 7 && __GNUC_MINOR__ < 4) 1235# error You need at least GCC v7.4.0 to compile QEMU 1236# endif 1237#else 1238# error You either need GCC or Clang to compiler QEMU 1239#endif 1240int main (void) { return 0; } 1241EOF 1242if ! compile_prog "" "" ; then 1243 error_exit "You need at least GCC v7.4 or Clang v10.0 (or XCode Clang v12.0)" 1244fi 1245 1246# Accumulate -Wfoo and -Wno-bar separately. 1247# We will list all of the enable flags first, and the disable flags second. 1248# Note that we do not add -Werror, because that would enable it for all 1249# configure tests. If a configure test failed due to -Werror this would 1250# just silently disable some features, so it's too error prone. 1251 1252warn_flags= 1253add_to warn_flags -Wundef 1254add_to warn_flags -Wwrite-strings 1255add_to warn_flags -Wmissing-prototypes 1256add_to warn_flags -Wstrict-prototypes 1257add_to warn_flags -Wredundant-decls 1258add_to warn_flags -Wold-style-declaration 1259add_to warn_flags -Wold-style-definition 1260add_to warn_flags -Wtype-limits 1261add_to warn_flags -Wformat-security 1262add_to warn_flags -Wformat-y2k 1263add_to warn_flags -Winit-self 1264add_to warn_flags -Wignored-qualifiers 1265add_to warn_flags -Wempty-body 1266add_to warn_flags -Wnested-externs 1267add_to warn_flags -Wendif-labels 1268add_to warn_flags -Wexpansion-to-defined 1269add_to warn_flags -Wimplicit-fallthrough=2 1270add_to warn_flags -Wmissing-format-attribute 1271 1272if test "$targetos" != "darwin"; then 1273 add_to warn_flags -Wthread-safety 1274fi 1275 1276nowarn_flags= 1277add_to nowarn_flags -Wno-initializer-overrides 1278add_to nowarn_flags -Wno-missing-include-dirs 1279add_to nowarn_flags -Wno-shift-negative-value 1280add_to nowarn_flags -Wno-string-plus-int 1281add_to nowarn_flags -Wno-typedef-redefinition 1282add_to nowarn_flags -Wno-tautological-type-limit-compare 1283add_to nowarn_flags -Wno-psabi 1284add_to nowarn_flags -Wno-gnu-variable-sized-type-not-at-end 1285 1286gcc_flags="$warn_flags $nowarn_flags" 1287 1288cc_has_warning_flag() { 1289 write_c_skeleton; 1290 1291 # Use the positive sense of the flag when testing for -Wno-wombat 1292 # support (gcc will happily accept the -Wno- form of unknown 1293 # warning options). 1294 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')" 1295 compile_prog "-Werror $optflag" "" 1296} 1297 1298objcc_has_warning_flag() { 1299 cat > $TMPM <<EOF 1300int main(void) { return 0; } 1301EOF 1302 1303 # Use the positive sense of the flag when testing for -Wno-wombat 1304 # support (gcc will happily accept the -Wno- form of unknown 1305 # warning options). 1306 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')" 1307 do_objc -Werror $optflag \ 1308 $OBJCFLAGS $EXTRA_OBJCFLAGS $CONFIGURE_OBJCFLAGS $QEMU_OBJCFLAGS \ 1309 -o $TMPE $TMPM $QEMU_LDFLAGS 1310} 1311 1312for flag in $gcc_flags; do 1313 if cc_has_warning_flag $flag ; then 1314 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1315 fi 1316 if objcc_has_warning_flag $flag ; then 1317 QEMU_OBJCFLAGS="$QEMU_OBJCFLAGS $flag" 1318 fi 1319done 1320 1321if test "$stack_protector" != "no"; then 1322 cat > $TMPC << EOF 1323int main(int argc, char *argv[]) 1324{ 1325 char arr[64], *p = arr, *c = argv[argc - 1]; 1326 while (*c) { 1327 *p++ = *c++; 1328 } 1329 return 0; 1330} 1331EOF 1332 gcc_flags="-fstack-protector-strong -fstack-protector-all" 1333 sp_on=0 1334 for flag in $gcc_flags; do 1335 # We need to check both a compile and a link, since some compiler 1336 # setups fail only on a .c->.o compile and some only at link time 1337 if compile_object "-Werror $flag" && 1338 compile_prog "-Werror $flag" ""; then 1339 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1340 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 1341 sp_on=1 1342 break 1343 fi 1344 done 1345 if test "$stack_protector" = yes; then 1346 if test $sp_on = 0; then 1347 error_exit "Stack protector not supported" 1348 fi 1349 fi 1350fi 1351 1352# Our module code doesn't support Windows 1353if test "$modules" = "yes" && test "$mingw32" = "yes" ; then 1354 error_exit "Modules are not available for Windows" 1355fi 1356 1357# Static linking is not possible with plugins, modules or PIE 1358if test "$static" = "yes" ; then 1359 if test "$modules" = "yes" ; then 1360 error_exit "static and modules are mutually incompatible" 1361 fi 1362 if test "$plugins" = "yes"; then 1363 error_exit "static and plugins are mutually incompatible" 1364 else 1365 plugins="no" 1366 fi 1367fi 1368test "$plugins" = "" && plugins=yes 1369 1370cat > $TMPC << EOF 1371 1372#ifdef __linux__ 1373# define THREAD __thread 1374#else 1375# define THREAD 1376#endif 1377static THREAD int tls_var; 1378int main(void) { return tls_var; } 1379EOF 1380 1381# Meson currently only handles pie as a boolean for now so if we have 1382# explicitly disabled PIE we need to extend our cflags because it wont. 1383if test "$static" = "yes"; then 1384 if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then 1385 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" 1386 pie="yes" 1387 elif test "$pie" = "yes"; then 1388 error_exit "-static-pie not available due to missing toolchain support" 1389 else 1390 pie="no" 1391 QEMU_CFLAGS="-fno-pie $QEMU_CFLAGS" 1392 fi 1393elif test "$pie" = "no"; then 1394 if compile_prog "-Werror -fno-pie" "-no-pie"; then 1395 CONFIGURE_CFLAGS="-fno-pie $CONFIGURE_CFLAGS" 1396 CONFIGURE_LDFLAGS="-no-pie $CONFIGURE_LDFLAGS" 1397 QEMU_CFLAGS="-fno-pie -no-pie $QEMU_CFLAGS" 1398 fi 1399elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then 1400 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" 1401 CONFIGURE_LDFLAGS="-pie $CONFIGURE_LDFLAGS" 1402 pie="yes" 1403elif test "$pie" = "yes"; then 1404 error_exit "PIE not available due to missing toolchain support" 1405else 1406 echo "Disabling PIE due to missing toolchain support" 1407 pie="no" 1408fi 1409 1410########################################## 1411# __sync_fetch_and_and requires at least -march=i486. Many toolchains 1412# use i686 as default anyway, but for those that don't, an explicit 1413# specification is necessary 1414 1415if test "$cpu" = "i386"; then 1416 cat > $TMPC << EOF 1417static int sfaa(int *ptr) 1418{ 1419 return __sync_fetch_and_and(ptr, 0); 1420} 1421 1422int main(void) 1423{ 1424 int val = 42; 1425 val = __sync_val_compare_and_swap(&val, 0, 1); 1426 sfaa(&val); 1427 return val; 1428} 1429EOF 1430 if ! compile_prog "" "" ; then 1431 QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS" 1432 fi 1433fi 1434 1435if test -z "${target_list+xxx}" ; then 1436 default_targets=yes 1437 for target in $default_target_list; do 1438 target_list="$target_list $target" 1439 done 1440 target_list="${target_list# }" 1441else 1442 default_targets=no 1443 target_list=$(echo "$target_list" | sed -e 's/,/ /g') 1444 for target in $target_list; do 1445 # Check that we recognised the target name; this allows a more 1446 # friendly error message than if we let it fall through. 1447 case " $default_target_list " in 1448 *" $target "*) 1449 ;; 1450 *) 1451 error_exit "Unknown target name '$target'" 1452 ;; 1453 esac 1454 done 1455fi 1456 1457# see if system emulation was really requested 1458case " $target_list " in 1459 *"-softmmu "*) softmmu=yes 1460 ;; 1461 *) softmmu=no 1462 ;; 1463esac 1464 1465if test "$tcg" = "auto"; then 1466 if test -z "$target_list"; then 1467 tcg="disabled" 1468 else 1469 tcg="enabled" 1470 fi 1471fi 1472 1473if test "$tcg" = "enabled"; then 1474 git_submodules="$git_submodules tests/fp/berkeley-testfloat-3" 1475 git_submodules="$git_submodules tests/fp/berkeley-softfloat-3" 1476fi 1477 1478########################################## 1479# big/little endian test 1480cat > $TMPC << EOF 1481#if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ 1482# error LITTLE 1483#endif 1484int main(void) { return 0; } 1485EOF 1486 1487if ! compile_prog ; then 1488 bigendian="no" 1489else 1490 cat > $TMPC << EOF 1491#if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ 1492# error BIG 1493#endif 1494int main(void) { return 0; } 1495EOF 1496 1497 if ! compile_prog ; then 1498 bigendian="yes" 1499 else 1500 echo big/little test failed 1501 exit 1 1502 fi 1503fi 1504 1505########################################## 1506# pkg-config probe 1507 1508if ! has "$pkg_config_exe"; then 1509 error_exit "pkg-config binary '$pkg_config_exe' not found" 1510fi 1511 1512########################################## 1513# glib support probe 1514 1515# When bumping glib_req_ver, please check also whether we should increase 1516# the _WIN32_WINNT setting in osdep.h according to the value from glib 1517glib_req_ver=2.56 1518glib_modules=gthread-2.0 1519if test "$modules" = yes; then 1520 glib_modules="$glib_modules gmodule-export-2.0" 1521elif test "$plugins" = "yes"; then 1522 glib_modules="$glib_modules gmodule-no-export-2.0" 1523fi 1524 1525for i in $glib_modules; do 1526 if $pkg_config --atleast-version=$glib_req_ver $i; then 1527 glib_cflags=$($pkg_config --cflags $i) 1528 glib_libs=$($pkg_config --libs $i) 1529 else 1530 error_exit "glib-$glib_req_ver $i is required to compile QEMU" 1531 fi 1532done 1533 1534# Check whether glib has gslice, which we have to avoid for correctness. 1535# TODO: remove this check and the corresponding workaround (qtree) when 1536# the minimum supported glib is >= $glib_dropped_gslice_version. 1537glib_dropped_gslice_version=2.75.3 1538for i in $glib_modules; do 1539 if ! $pkg_config --atleast-version=$glib_dropped_gslice_version $i; then 1540 glib_has_gslice="yes" 1541 break 1542 fi 1543done 1544 1545glib_bindir="$($pkg_config --variable=bindir glib-2.0)" 1546if test -z "$glib_bindir" ; then 1547 glib_bindir="$($pkg_config --variable=prefix glib-2.0)"/bin 1548fi 1549 1550# This workaround is required due to a bug in pkg-config file for glib as it 1551# doesn't define GLIB_STATIC_COMPILATION for pkg-config --static 1552 1553if test "$static" = yes && test "$mingw32" = yes; then 1554 glib_cflags="-DGLIB_STATIC_COMPILATION $glib_cflags" 1555fi 1556 1557# Sanity check that the current size_t matches the 1558# size that glib thinks it should be. This catches 1559# problems on multi-arch where people try to build 1560# 32-bit QEMU while pointing at 64-bit glib headers 1561cat > $TMPC <<EOF 1562#include <glib.h> 1563#include <unistd.h> 1564 1565#define QEMU_BUILD_BUG_ON(x) \ 1566 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused)); 1567 1568int main(void) { 1569 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T); 1570 return 0; 1571} 1572EOF 1573 1574if ! compile_prog "$glib_cflags" "$glib_libs" ; then 1575 error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\ 1576 "You probably need to set PKG_CONFIG_LIBDIR"\ 1577 "to point to the right pkg-config files for your"\ 1578 "build target" 1579fi 1580 1581# Silence clang warnings triggered by glib < 2.57.2 1582cat > $TMPC << EOF 1583#include <glib.h> 1584typedef struct Foo { 1585 int i; 1586} Foo; 1587static void foo_free(Foo *f) 1588{ 1589 g_free(f); 1590} 1591G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free) 1592int main(void) { return 0; } 1593EOF 1594if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then 1595 if cc_has_warning_flag "-Wno-unused-function"; then 1596 glib_cflags="$glib_cflags -Wno-unused-function" 1597 CONFIGURE_CFLAGS="$CONFIGURE_CFLAGS -Wno-unused-function" 1598 fi 1599fi 1600 1601########################################## 1602# fdt probe 1603 1604case "$fdt" in 1605 auto | enabled | internal) 1606 # Simpler to always update submodule, even if not needed. 1607 git_submodules="${git_submodules} dtc" 1608 ;; 1609esac 1610 1611########################################## 1612# check and set a backend for coroutine 1613 1614# We prefer ucontext, but it's not always possible. The fallback 1615# is sigcontext. On Windows the only valid backend is the Windows 1616# specific one. 1617 1618ucontext_works=no 1619if test "$darwin" != "yes"; then 1620 cat > $TMPC << EOF 1621#include <ucontext.h> 1622#ifdef __stub_makecontext 1623#error Ignoring glibc stub makecontext which will always fail 1624#endif 1625int main(void) { makecontext(0, 0, 0); return 0; } 1626EOF 1627 if compile_prog "" "" ; then 1628 ucontext_works=yes 1629 fi 1630fi 1631 1632if test "$coroutine" = ""; then 1633 if test "$mingw32" = "yes"; then 1634 coroutine=win32 1635 elif test "$ucontext_works" = "yes"; then 1636 coroutine=ucontext 1637 else 1638 coroutine=sigaltstack 1639 fi 1640else 1641 case $coroutine in 1642 windows) 1643 if test "$mingw32" != "yes"; then 1644 error_exit "'windows' coroutine backend only valid for Windows" 1645 fi 1646 # Unfortunately the user visible backend name doesn't match the 1647 # coroutine-*.c filename for this case, so we have to adjust it here. 1648 coroutine=win32 1649 ;; 1650 ucontext) 1651 if test "$ucontext_works" != "yes"; then 1652 error_exit "'ucontext' backend requested but makecontext not available" 1653 fi 1654 ;; 1655 sigaltstack) 1656 if test "$mingw32" = "yes"; then 1657 error_exit "only the 'windows' coroutine backend is valid for Windows" 1658 fi 1659 ;; 1660 *) 1661 error_exit "unknown coroutine backend $coroutine" 1662 ;; 1663 esac 1664fi 1665 1666################################################## 1667# SafeStack 1668 1669 1670if test "$safe_stack" = "yes"; then 1671cat > $TMPC << EOF 1672int main(void) 1673{ 1674#if ! __has_feature(safe_stack) 1675#error SafeStack Disabled 1676#endif 1677 return 0; 1678} 1679EOF 1680 flag="-fsanitize=safe-stack" 1681 # Check that safe-stack is supported and enabled. 1682 if compile_prog "-Werror $flag" "$flag"; then 1683 # Flag needed both at compilation and at linking 1684 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1685 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 1686 else 1687 error_exit "SafeStack not supported by your compiler" 1688 fi 1689 if test "$coroutine" != "ucontext"; then 1690 error_exit "SafeStack is only supported by the coroutine backend ucontext" 1691 fi 1692else 1693cat > $TMPC << EOF 1694int main(void) 1695{ 1696#if defined(__has_feature) 1697#if __has_feature(safe_stack) 1698#error SafeStack Enabled 1699#endif 1700#endif 1701 return 0; 1702} 1703EOF 1704if test "$safe_stack" = "no"; then 1705 # Make sure that safe-stack is disabled 1706 if ! compile_prog "-Werror" ""; then 1707 # SafeStack was already enabled, try to explicitly remove the feature 1708 flag="-fno-sanitize=safe-stack" 1709 if ! compile_prog "-Werror $flag" "$flag"; then 1710 error_exit "Configure cannot disable SafeStack" 1711 fi 1712 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1713 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 1714 fi 1715else # "$safe_stack" = "" 1716 # Set safe_stack to yes or no based on pre-existing flags 1717 if compile_prog "-Werror" ""; then 1718 safe_stack="no" 1719 else 1720 safe_stack="yes" 1721 if test "$coroutine" != "ucontext"; then 1722 error_exit "SafeStack is only supported by the coroutine backend ucontext" 1723 fi 1724 fi 1725fi 1726fi 1727 1728######################################## 1729# check if ccache is interfering with 1730# semantic analysis of macros 1731 1732unset CCACHE_CPP2 1733ccache_cpp2=no 1734cat > $TMPC << EOF 1735static const int Z = 1; 1736#define fn() ({ Z; }) 1737#define TAUT(X) ((X) == Z) 1738#define PAREN(X, Y) (X == Y) 1739#define ID(X) (X) 1740int main(void) 1741{ 1742 int x = 0, y = 0; 1743 x = ID(x); 1744 x = fn(); 1745 fn(); 1746 if (PAREN(x, y)) return 0; 1747 if (TAUT(Z)) return 0; 1748 return 0; 1749} 1750EOF 1751 1752if ! compile_object "-Werror"; then 1753 ccache_cpp2=yes 1754fi 1755 1756################################################# 1757# clang does not support glibc + FORTIFY_SOURCE. 1758 1759if test "$fortify_source" != "no"; then 1760 if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then 1761 fortify_source="no"; 1762 elif test -n "$cxx" && has $cxx && 1763 echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then 1764 fortify_source="no"; 1765 else 1766 fortify_source="yes" 1767 fi 1768fi 1769 1770########################################## 1771# checks for sanitizers 1772 1773have_asan=no 1774have_ubsan=no 1775have_asan_iface_h=no 1776have_asan_iface_fiber=no 1777 1778if test "$sanitizers" = "yes" ; then 1779 write_c_skeleton 1780 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then 1781 have_asan=yes 1782 fi 1783 1784 # we could use a simple skeleton for flags checks, but this also 1785 # detect the static linking issue of ubsan, see also: 1786 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285 1787 cat > $TMPC << EOF 1788int main(int argc, char **argv) 1789{ 1790 return argc + 1; 1791} 1792EOF 1793 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then 1794 have_ubsan=yes 1795 fi 1796 1797 if check_include "sanitizer/asan_interface.h" ; then 1798 have_asan_iface_h=yes 1799 fi 1800 1801 cat > $TMPC << EOF 1802#include <sanitizer/asan_interface.h> 1803int main(void) { 1804 __sanitizer_start_switch_fiber(0, 0, 0); 1805 return 0; 1806} 1807EOF 1808 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then 1809 have_asan_iface_fiber=yes 1810 fi 1811fi 1812 1813# Thread sanitizer is, for now, much noisier than the other sanitizers; 1814# keep it separate until that is not the case. 1815if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then 1816 error_exit "TSAN is not supported with other sanitiziers." 1817fi 1818have_tsan=no 1819have_tsan_iface_fiber=no 1820if test "$tsan" = "yes" ; then 1821 write_c_skeleton 1822 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then 1823 have_tsan=yes 1824 fi 1825 cat > $TMPC << EOF 1826#include <sanitizer/tsan_interface.h> 1827int main(void) { 1828 __tsan_create_fiber(0); 1829 return 0; 1830} 1831EOF 1832 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then 1833 have_tsan_iface_fiber=yes 1834 fi 1835fi 1836 1837########################################## 1838# functions to probe cross compilers 1839 1840container="no" 1841runc="" 1842if test $use_containers = "yes" && (has "docker" || has "podman"); then 1843 case $($python "$source_path"/tests/docker/docker.py probe) in 1844 *docker) container=docker ;; 1845 podman) container=podman ;; 1846 no) container=no ;; 1847 esac 1848 if test "$container" != "no"; then 1849 docker_py="$python $source_path/tests/docker/docker.py --engine $container" 1850 runc=$($python "$source_path"/tests/docker/docker.py probe) 1851 fi 1852fi 1853 1854# cross compilers defaults, can be overridden with --cross-cc-ARCH 1855: ${cross_prefix_aarch64="aarch64-linux-gnu-"} 1856: ${cross_prefix_aarch64_be="$cross_prefix_aarch64"} 1857: ${cross_prefix_alpha="alpha-linux-gnu-"} 1858: ${cross_prefix_arm="arm-linux-gnueabihf-"} 1859: ${cross_prefix_armeb="$cross_prefix_arm"} 1860: ${cross_prefix_hexagon="hexagon-unknown-linux-musl-"} 1861: ${cross_prefix_loongarch64="loongarch64-unknown-linux-gnu-"} 1862: ${cross_prefix_hppa="hppa-linux-gnu-"} 1863: ${cross_prefix_i386="i686-linux-gnu-"} 1864: ${cross_prefix_m68k="m68k-linux-gnu-"} 1865: ${cross_prefix_microblaze="microblaze-linux-musl-"} 1866: ${cross_prefix_mips64el="mips64el-linux-gnuabi64-"} 1867: ${cross_prefix_mips64="mips64-linux-gnuabi64-"} 1868: ${cross_prefix_mipsel="mipsel-linux-gnu-"} 1869: ${cross_prefix_mips="mips-linux-gnu-"} 1870: ${cross_prefix_nios2="nios2-linux-gnu-"} 1871: ${cross_prefix_ppc="powerpc-linux-gnu-"} 1872: ${cross_prefix_ppc64="powerpc64-linux-gnu-"} 1873: ${cross_prefix_ppc64le="$cross_prefix_ppc64"} 1874: ${cross_prefix_riscv64="riscv64-linux-gnu-"} 1875: ${cross_prefix_s390x="s390x-linux-gnu-"} 1876: ${cross_prefix_sh4="sh4-linux-gnu-"} 1877: ${cross_prefix_sparc64="sparc64-linux-gnu-"} 1878: ${cross_prefix_sparc="$cross_prefix_sparc64"} 1879: ${cross_prefix_x86_64="x86_64-linux-gnu-"} 1880 1881: ${cross_cc_aarch64_be="$cross_cc_aarch64"} 1882: ${cross_cc_cflags_aarch64_be="-mbig-endian"} 1883: ${cross_cc_armeb="$cross_cc_arm"} 1884: ${cross_cc_cflags_armeb="-mbig-endian"} 1885: ${cross_cc_hexagon="hexagon-unknown-linux-musl-clang"} 1886: ${cross_cc_cflags_hexagon="-mv67 -O2 -static"} 1887: ${cross_cc_cflags_i386="-m32"} 1888: ${cross_cc_cflags_ppc="-m32 -mbig-endian"} 1889: ${cross_cc_cflags_ppc64="-m64 -mbig-endian"} 1890: ${cross_cc_ppc64le="$cross_cc_ppc64"} 1891: ${cross_cc_cflags_ppc64le="-m64 -mlittle-endian"} 1892: ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"} 1893: ${cross_cc_sparc="$cross_cc_sparc64"} 1894: ${cross_cc_cflags_sparc="-m32 -mcpu=supersparc"} 1895: ${cross_cc_cflags_x86_64="-m64"} 1896 1897compute_target_variable() { 1898 eval "$2=" 1899 if eval test -n "\"\${cross_prefix_$1}\""; then 1900 if eval has "\"\${cross_prefix_$1}\$3\""; then 1901 eval "$2=\"\${cross_prefix_$1}\$3\"" 1902 fi 1903 fi 1904} 1905 1906have_target() { 1907 for i; do 1908 case " $target_list " in 1909 *" $i "*) return 0;; 1910 *) ;; 1911 esac 1912 done 1913 return 1 1914} 1915 1916# probe_target_compiler TARGET 1917# 1918# Look for a compiler for the given target, either native or cross. 1919# Set variables target_* if a compiler is found, and container_cross_* 1920# if a Docker-based cross-compiler image is known for the target. 1921# Set got_cross_cc to yes/no depending on whether a non-container-based 1922# compiler was found. 1923# 1924# If TARGET is a user-mode emulation target, also set build_static to 1925# "y" if static linking is possible. 1926# 1927probe_target_compiler() { 1928 # reset all output variables 1929 got_cross_cc=no 1930 container_image= 1931 container_hosts= 1932 container_cross_cc= 1933 container_cross_ar= 1934 container_cross_as= 1935 container_cross_ld= 1936 container_cross_nm= 1937 container_cross_objcopy= 1938 container_cross_ranlib= 1939 container_cross_strip= 1940 1941 # We shall skip configuring the target compiler if the user didn't 1942 # bother enabling an appropriate guest. This avoids building 1943 # extraneous firmware images and tests. 1944 if test "${target_list#*$1}" = "$1"; then 1945 return 1 1946 fi 1947 1948 target_arch=${1%%-*} 1949 case $target_arch in 1950 aarch64) container_hosts="x86_64 aarch64" ;; 1951 alpha) container_hosts=x86_64 ;; 1952 arm) container_hosts="x86_64 aarch64" ;; 1953 cris) container_hosts=x86_64 ;; 1954 hexagon) container_hosts=x86_64 ;; 1955 hppa) container_hosts=x86_64 ;; 1956 i386) container_hosts=x86_64 ;; 1957 loongarch64) container_hosts=x86_64 ;; 1958 m68k) container_hosts=x86_64 ;; 1959 microblaze) container_hosts=x86_64 ;; 1960 mips64el) container_hosts=x86_64 ;; 1961 mips64) container_hosts=x86_64 ;; 1962 mipsel) container_hosts=x86_64 ;; 1963 mips) container_hosts=x86_64 ;; 1964 nios2) container_hosts=x86_64 ;; 1965 ppc) container_hosts=x86_64 ;; 1966 ppc64|ppc64le) container_hosts=x86_64 ;; 1967 riscv64) container_hosts=x86_64 ;; 1968 s390x) container_hosts=x86_64 ;; 1969 sh4) container_hosts=x86_64 ;; 1970 sparc64) container_hosts=x86_64 ;; 1971 tricore) container_hosts=x86_64 ;; 1972 x86_64) container_hosts="aarch64 ppc64el x86_64" ;; 1973 xtensa*) container_hosts=x86_64 ;; 1974 esac 1975 1976 for host in $container_hosts; do 1977 test "$container" != no || continue 1978 test "$host" = "$cpu" || continue 1979 case $target_arch in 1980 aarch64) 1981 # We don't have any bigendian build tools so we only use this for AArch64 1982 container_image=debian-arm64-cross 1983 container_cross_prefix=aarch64-linux-gnu- 1984 container_cross_cc=${container_cross_prefix}gcc-10 1985 ;; 1986 alpha) 1987 container_image=debian-alpha-cross 1988 container_cross_prefix=alpha-linux-gnu- 1989 ;; 1990 arm) 1991 # We don't have any bigendian build tools so we only use this for ARM 1992 container_image=debian-armhf-cross 1993 container_cross_prefix=arm-linux-gnueabihf- 1994 ;; 1995 cris) 1996 container_image=fedora-cris-cross 1997 container_cross_prefix=cris-linux-gnu- 1998 ;; 1999 hexagon) 2000 container_image=debian-hexagon-cross 2001 container_cross_prefix=hexagon-unknown-linux-musl- 2002 container_cross_cc=${container_cross_prefix}clang 2003 ;; 2004 hppa) 2005 container_image=debian-hppa-cross 2006 container_cross_prefix=hppa-linux-gnu- 2007 ;; 2008 i386) 2009 container_image=fedora-i386-cross 2010 container_cross_prefix= 2011 ;; 2012 loongarch64) 2013 container_image=debian-loongarch-cross 2014 container_cross_prefix=loongarch64-unknown-linux-gnu- 2015 ;; 2016 m68k) 2017 container_image=debian-m68k-cross 2018 container_cross_prefix=m68k-linux-gnu- 2019 ;; 2020 microblaze) 2021 container_image=debian-microblaze-cross 2022 container_cross_prefix=microblaze-linux-musl- 2023 ;; 2024 mips64el) 2025 container_image=debian-mips64el-cross 2026 container_cross_prefix=mips64el-linux-gnuabi64- 2027 ;; 2028 mips64) 2029 container_image=debian-mips64-cross 2030 container_cross_prefix=mips64-linux-gnuabi64- 2031 ;; 2032 mipsel) 2033 container_image=debian-mipsel-cross 2034 container_cross_prefix=mipsel-linux-gnu- 2035 ;; 2036 mips) 2037 container_image=debian-mips-cross 2038 container_cross_prefix=mips-linux-gnu- 2039 ;; 2040 nios2) 2041 container_image=debian-nios2-cross 2042 container_cross_prefix=nios2-linux-gnu- 2043 ;; 2044 ppc) 2045 container_image=debian-powerpc-test-cross 2046 container_cross_prefix=powerpc-linux-gnu- 2047 container_cross_cc=${container_cross_prefix}gcc-10 2048 ;; 2049 ppc64|ppc64le) 2050 container_image=debian-powerpc-test-cross 2051 container_cross_prefix=powerpc${target_arch#ppc}-linux-gnu- 2052 container_cross_cc=${container_cross_prefix}gcc-10 2053 ;; 2054 riscv64) 2055 container_image=debian-riscv64-test-cross 2056 container_cross_prefix=riscv64-linux-gnu- 2057 ;; 2058 s390x) 2059 container_image=debian-s390x-cross 2060 container_cross_prefix=s390x-linux-gnu- 2061 ;; 2062 sh4) 2063 container_image=debian-sh4-cross 2064 container_cross_prefix=sh4-linux-gnu- 2065 ;; 2066 sparc64) 2067 container_image=debian-sparc64-cross 2068 container_cross_prefix=sparc64-linux-gnu- 2069 ;; 2070 tricore) 2071 container_image=debian-tricore-cross 2072 container_cross_prefix=tricore- 2073 container_cross_as=tricore-as 2074 container_cross_ld=tricore-ld 2075 break 2076 ;; 2077 x86_64) 2078 container_image=debian-amd64-cross 2079 container_cross_prefix=x86_64-linux-gnu- 2080 ;; 2081 xtensa*) 2082 container_hosts=x86_64 2083 container_image=debian-xtensa-cross 2084 2085 # default to the dc232b cpu 2086 container_cross_prefix=/opt/2020.07/xtensa-dc232b-elf/bin/xtensa-dc232b-elf- 2087 ;; 2088 esac 2089 : ${container_cross_cc:=${container_cross_prefix}gcc} 2090 : ${container_cross_ar:=${container_cross_prefix}ar} 2091 : ${container_cross_as:=${container_cross_prefix}as} 2092 : ${container_cross_ld:=${container_cross_prefix}ld} 2093 : ${container_cross_nm:=${container_cross_prefix}nm} 2094 : ${container_cross_objcopy:=${container_cross_prefix}objcopy} 2095 : ${container_cross_ranlib:=${container_cross_prefix}ranlib} 2096 : ${container_cross_strip:=${container_cross_prefix}strip} 2097 done 2098 2099 try=cross 2100 case "$target_arch:$cpu" in 2101 aarch64_be:aarch64 | \ 2102 armeb:arm | \ 2103 i386:x86_64 | \ 2104 mips*:mips64 | \ 2105 ppc*:ppc64 | \ 2106 sparc:sparc64 | \ 2107 "$cpu:$cpu") 2108 try='native cross' ;; 2109 esac 2110 eval "target_cflags=\${cross_cc_cflags_$target_arch}" 2111 for thistry in $try; do 2112 case $thistry in 2113 native) 2114 target_cc=$cc 2115 target_ccas=$ccas 2116 target_ar=$ar 2117 target_as=$as 2118 target_ld=$ld 2119 target_nm=$nm 2120 target_objcopy=$objcopy 2121 target_ranlib=$ranlib 2122 target_strip=$strip 2123 ;; 2124 cross) 2125 target_cc= 2126 if eval test -n "\"\${cross_cc_$target_arch}\""; then 2127 if eval has "\"\${cross_cc_$target_arch}\""; then 2128 eval "target_cc=\"\${cross_cc_$target_arch}\"" 2129 fi 2130 else 2131 compute_target_variable $target_arch target_cc gcc 2132 fi 2133 target_ccas=$target_cc 2134 compute_target_variable $target_arch target_ar ar 2135 compute_target_variable $target_arch target_as as 2136 compute_target_variable $target_arch target_ld ld 2137 compute_target_variable $target_arch target_nm nm 2138 compute_target_variable $target_arch target_objcopy objcopy 2139 compute_target_variable $target_arch target_ranlib ranlib 2140 compute_target_variable $target_arch target_strip strip 2141 ;; 2142 esac 2143 2144 if test -n "$target_cc"; then 2145 case $target_arch in 2146 i386|x86_64) 2147 if $target_cc --version | grep -qi "clang"; then 2148 continue 2149 fi 2150 ;; 2151 esac 2152 elif test -n "$target_as" && test -n "$target_ld"; then 2153 # Special handling for assembler only targets 2154 case $target in 2155 tricore-softmmu) 2156 build_static= 2157 got_cross_cc=yes 2158 break 2159 ;; 2160 *) 2161 continue 2162 ;; 2163 esac 2164 else 2165 continue 2166 fi 2167 2168 write_c_skeleton 2169 case $1 in 2170 *-softmmu) 2171 if do_compiler "$target_cc" $target_cflags -o $TMPO -c $TMPC && 2172 do_compiler "$target_cc" $target_cflags -r -nostdlib -o "${TMPDIR1}/${TMPB}2.o" "$TMPO" -lgcc; then 2173 got_cross_cc=yes 2174 break 2175 fi 2176 ;; 2177 *) 2178 if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC -static ; then 2179 build_static=y 2180 got_cross_cc=yes 2181 break 2182 fi 2183 if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC ; then 2184 build_static= 2185 got_cross_cc=yes 2186 break 2187 fi 2188 ;; 2189 esac 2190 done 2191 if test $got_cross_cc != yes; then 2192 build_static= 2193 target_cc= 2194 target_ccas= 2195 target_ar= 2196 target_as= 2197 target_ld= 2198 target_nm= 2199 target_objcopy= 2200 target_ranlib= 2201 target_strip= 2202 fi 2203 test -n "$target_cc" 2204} 2205 2206write_target_makefile() { 2207 echo "EXTRA_CFLAGS=$target_cflags" 2208 if test -z "$target_cc" && test -z "$target_as"; then 2209 test -z "$container_image" && error_exit "Internal error: could not find cross compiler for $1?" 2210 echo "$1: docker-image-$container_image" >> Makefile.prereqs 2211 if test -n "$container_cross_cc"; then 2212 echo "CC=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --" 2213 echo "CCAS=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --" 2214 fi 2215 echo "AR=$docker_py cc --cc $container_cross_ar -i qemu/$container_image -s $source_path --" 2216 echo "AS=$docker_py cc --cc $container_cross_as -i qemu/$container_image -s $source_path --" 2217 echo "LD=$docker_py cc --cc $container_cross_ld -i qemu/$container_image -s $source_path --" 2218 echo "NM=$docker_py cc --cc $container_cross_nm -i qemu/$container_image -s $source_path --" 2219 echo "OBJCOPY=$docker_py cc --cc $container_cross_objcopy -i qemu/$container_image -s $source_path --" 2220 echo "RANLIB=$docker_py cc --cc $container_cross_ranlib -i qemu/$container_image -s $source_path --" 2221 echo "STRIP=$docker_py cc --cc $container_cross_strip -i qemu/$container_image -s $source_path --" 2222 else 2223 if test -n "$target_cc"; then 2224 echo "CC=$target_cc" 2225 echo "CCAS=$target_ccas" 2226 fi 2227 if test -n "$target_ar"; then 2228 echo "AR=$target_ar" 2229 fi 2230 if test -n "$target_as"; then 2231 echo "AS=$target_as" 2232 fi 2233 if test -n "$target_ld"; then 2234 echo "LD=$target_ld" 2235 fi 2236 if test -n "$target_nm"; then 2237 echo "NM=$target_nm" 2238 fi 2239 if test -n "$target_objcopy"; then 2240 echo "OBJCOPY=$target_objcopy" 2241 fi 2242 if test -n "$target_ranlib"; then 2243 echo "RANLIB=$target_ranlib" 2244 fi 2245 if test -n "$target_strip"; then 2246 echo "STRIP=$target_strip" 2247 fi 2248 fi 2249} 2250 2251########################################## 2252# check for vfio_user_server 2253 2254case "$vfio_user_server" in 2255 enabled ) 2256 if test "$git_submodules_action" != "ignore"; then 2257 git_submodules="${git_submodules} subprojects/libvfio-user" 2258 fi 2259 ;; 2260esac 2261 2262########################################## 2263# End of CC checks 2264# After here, no more $cc or $ld runs 2265 2266write_c_skeleton 2267 2268if test "$fortify_source" = "yes" ; then 2269 QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS" 2270fi 2271 2272if test "$have_asan" = "yes"; then 2273 QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS" 2274 QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS" 2275 if test "$have_asan_iface_h" = "no" ; then 2276 echo "ASAN build enabled, but ASAN header missing." \ 2277 "Without code annotation, the report may be inferior." 2278 elif test "$have_asan_iface_fiber" = "no" ; then 2279 echo "ASAN build enabled, but ASAN header is too old." \ 2280 "Without code annotation, the report may be inferior." 2281 fi 2282fi 2283if test "$have_tsan" = "yes" ; then 2284 if test "$have_tsan_iface_fiber" = "yes" ; then 2285 QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS" 2286 QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS" 2287 else 2288 error_exit "Cannot enable TSAN due to missing fiber annotation interface." 2289 fi 2290elif test "$tsan" = "yes" ; then 2291 error_exit "Cannot enable TSAN due to missing sanitize thread interface." 2292fi 2293if test "$have_ubsan" = "yes"; then 2294 QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS" 2295 QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS" 2296fi 2297 2298####################################### 2299# cross-compiled firmware targets 2300 2301# Set up build tree symlinks that point back into the source tree 2302# (these can be both files and directories). 2303# Caution: avoid adding files or directories here using wildcards. This 2304# will result in problems later if a new file matching the wildcard is 2305# added to the source tree -- nothing will cause configure to be rerun 2306# so the build tree will be missing the link back to the new file, and 2307# tests might fail. Prefer to keep the relevant files in their own 2308# directory and symlink the directory instead. 2309LINKS="Makefile" 2310LINKS="$LINKS docs/config" 2311LINKS="$LINKS pc-bios/optionrom/Makefile" 2312LINKS="$LINKS pc-bios/s390-ccw/Makefile" 2313LINKS="$LINKS pc-bios/vof/Makefile" 2314LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit 2315LINKS="$LINKS tests/avocado tests/data" 2316LINKS="$LINKS tests/qemu-iotests/check" 2317LINKS="$LINKS python" 2318LINKS="$LINKS contrib/plugins/Makefile " 2319for f in $LINKS ; do 2320 if [ -e "$source_path/$f" ]; then 2321 mkdir -p "$(dirname ./"$f")" 2322 symlink "$source_path/$f" "$f" 2323 fi 2324done 2325 2326echo "# Automatically generated by configure - do not modify" > Makefile.prereqs 2327 2328# Mac OS X ships with a broken assembler 2329roms= 2330if have_target i386-softmmu x86_64-softmmu && \ 2331 test "$targetos" != "darwin" && test "$targetos" != "sunos" && \ 2332 test "$targetos" != "haiku" && \ 2333 probe_target_compiler i386-softmmu; then 2334 roms="pc-bios/optionrom" 2335 config_mak=pc-bios/optionrom/config.mak 2336 echo "# Automatically generated by configure - do not modify" > $config_mak 2337 echo "TOPSRC_DIR=$source_path" >> $config_mak 2338 write_target_makefile >> $config_mak 2339fi 2340 2341if have_target ppc-softmmu ppc64-softmmu && \ 2342 probe_target_compiler ppc-softmmu; then 2343 roms="$roms pc-bios/vof" 2344 config_mak=pc-bios/vof/config.mak 2345 echo "# Automatically generated by configure - do not modify" > $config_mak 2346 echo "SRC_DIR=$source_path/pc-bios/vof" >> $config_mak 2347 write_target_makefile >> $config_mak 2348fi 2349 2350# Only build s390-ccw bios if the compiler has -march=z900 or -march=z10 2351# (which is the lowest architecture level that Clang supports) 2352if have_target s390x-softmmu && probe_target_compiler s390x-softmmu; then 2353 write_c_skeleton 2354 do_compiler "$target_cc" $target_cc_cflags -march=z900 -o $TMPO -c $TMPC 2355 has_z900=$? 2356 if [ $has_z900 = 0 ] || do_compiler "$target_cc" $target_cc_cflags -march=z10 -msoft-float -Werror -o $TMPO -c $TMPC; then 2357 if [ $has_z900 != 0 ]; then 2358 echo "WARNING: Your compiler does not support the z900!" 2359 echo " The s390-ccw bios will only work with guest CPUs >= z10." 2360 fi 2361 roms="$roms pc-bios/s390-ccw" 2362 config_mak=pc-bios/s390-ccw/config-host.mak 2363 echo "# Automatically generated by configure - do not modify" > $config_mak 2364 echo "SRC_PATH=$source_path/pc-bios/s390-ccw" >> $config_mak 2365 write_target_makefile >> $config_mak 2366 # SLOF is required for building the s390-ccw firmware on s390x, 2367 # since it is using the libnet code from SLOF for network booting. 2368 git_submodules="${git_submodules} roms/SLOF" 2369 fi 2370fi 2371 2372####################################### 2373# generate config-host.mak 2374 2375if ! (GIT="$git" "$source_path/scripts/git-submodule.sh" "$git_submodules_action" "$git_submodules"); then 2376 exit 1 2377fi 2378 2379config_host_mak="config-host.mak" 2380 2381echo "# Automatically generated by configure - do not modify" > $config_host_mak 2382echo >> $config_host_mak 2383 2384echo all: >> $config_host_mak 2385echo "GIT=$git" >> $config_host_mak 2386echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak 2387echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_host_mak 2388 2389if test "$debug_tcg" = "yes" ; then 2390 echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak 2391fi 2392if test "$mingw32" = "yes" ; then 2393 echo "CONFIG_WIN32=y" >> $config_host_mak 2394 echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER-QEMU}" >> $config_host_mak 2395 echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO-Linux}" >> $config_host_mak 2396 echo "QEMU_GA_VERSION=${QEMU_GA_VERSION-$(cat "$source_path"/VERSION)}" >> $config_host_mak 2397else 2398 echo "CONFIG_POSIX=y" >> $config_host_mak 2399fi 2400 2401if test "$linux" = "yes" ; then 2402 echo "CONFIG_LINUX=y" >> $config_host_mak 2403fi 2404 2405if test "$darwin" = "yes" ; then 2406 echo "CONFIG_DARWIN=y" >> $config_host_mak 2407fi 2408 2409if test "$solaris" = "yes" ; then 2410 echo "CONFIG_SOLARIS=y" >> $config_host_mak 2411fi 2412if test "$static" = "yes" ; then 2413 echo "CONFIG_STATIC=y" >> $config_host_mak 2414fi 2415echo "SRC_PATH=$source_path" >> $config_host_mak 2416echo "TARGET_DIRS=$target_list" >> $config_host_mak 2417if test "$modules" = "yes"; then 2418 echo "CONFIG_MODULES=y" >> $config_host_mak 2419fi 2420 2421# XXX: suppress that 2422if [ "$bsd" = "yes" ] ; then 2423 echo "CONFIG_BSD=y" >> $config_host_mak 2424fi 2425 2426echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak 2427 2428if test "$have_asan_iface_fiber" = "yes" ; then 2429 echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak 2430fi 2431 2432if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then 2433 echo "CONFIG_TSAN=y" >> $config_host_mak 2434fi 2435 2436if test "$plugins" = "yes" ; then 2437 echo "CONFIG_PLUGIN=y" >> $config_host_mak 2438fi 2439 2440if test -n "$gdb_bin"; then 2441 gdb_version=$($gdb_bin --version | head -n 1) 2442 if version_ge ${gdb_version##* } 9.1; then 2443 echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak 2444 gdb_arches=$("$source_path/scripts/probe-gdb-support.py" $gdb_bin) 2445 else 2446 gdb_bin="" 2447 fi 2448fi 2449 2450if test "$container" != no; then 2451 echo "ENGINE=$container" >> $config_host_mak 2452 echo "RUNC=$runc" >> $config_host_mak 2453fi 2454echo "ROMS=$roms" >> $config_host_mak 2455echo "MAKE=$make" >> $config_host_mak 2456echo "PYTHON=$python" >> $config_host_mak 2457echo "GENISOIMAGE=$genisoimage" >> $config_host_mak 2458echo "MESON=$meson" >> $config_host_mak 2459echo "NINJA=$ninja" >> $config_host_mak 2460echo "CC=$cc" >> $config_host_mak 2461echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak 2462echo "QEMU_OBJCFLAGS=$QEMU_OBJCFLAGS" >> $config_host_mak 2463echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak 2464echo "GLIB_LIBS=$glib_libs" >> $config_host_mak 2465echo "GLIB_BINDIR=$glib_bindir" >> $config_host_mak 2466echo "GLIB_VERSION=$($pkg_config --modversion glib-2.0)" >> $config_host_mak 2467if test "$glib_has_gslice" = "yes" ; then 2468 echo "HAVE_GLIB_WITH_SLICE_ALLOCATOR=y" >> $config_host_mak 2469fi 2470echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak 2471echo "EXESUF=$EXESUF" >> $config_host_mak 2472 2473# use included Linux headers 2474if test "$linux" = "yes" ; then 2475 mkdir -p linux-headers 2476 case "$cpu" in 2477 i386|x86_64) 2478 linux_arch=x86 2479 ;; 2480 ppc|ppc64) 2481 linux_arch=powerpc 2482 ;; 2483 s390x) 2484 linux_arch=s390 2485 ;; 2486 aarch64) 2487 linux_arch=arm64 2488 ;; 2489 loongarch*) 2490 linux_arch=loongarch 2491 ;; 2492 mips64) 2493 linux_arch=mips 2494 ;; 2495 *) 2496 # For most CPUs the kernel architecture name and QEMU CPU name match. 2497 linux_arch="$cpu" 2498 ;; 2499 esac 2500 # For non-KVM architectures we will not have asm headers 2501 if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then 2502 symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm 2503 fi 2504fi 2505 2506for target in $target_list; do 2507 target_dir="$target" 2508 target_name=$(echo $target | cut -d '-' -f 1)$EXESUF 2509 mkdir -p "$target_dir" 2510 case $target in 2511 *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;; 2512 *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;; 2513 esac 2514done 2515 2516if test "$default_targets" = "yes"; then 2517 echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak 2518fi 2519 2520if test "$ccache_cpp2" = "yes"; then 2521 echo "export CCACHE_CPP2=y" >> $config_host_mak 2522fi 2523 2524if test "$safe_stack" = "yes"; then 2525 echo "CONFIG_SAFESTACK=y" >> $config_host_mak 2526fi 2527 2528# tests/tcg configuration 2529(config_host_mak=tests/tcg/config-host.mak 2530mkdir -p tests/tcg 2531echo "# Automatically generated by configure - do not modify" > $config_host_mak 2532echo "SRC_PATH=$source_path" >> $config_host_mak 2533echo "HOST_CC=$host_cc" >> $config_host_mak 2534 2535# versioned checked in the main config_host.mak above 2536if test -n "$gdb_bin"; then 2537 echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak 2538fi 2539if test "$plugins" = "yes" ; then 2540 echo "CONFIG_PLUGIN=y" >> $config_host_mak 2541fi 2542 2543tcg_tests_targets= 2544for target in $target_list; do 2545 arch=${target%%-*} 2546 2547 case $target in 2548 xtensa*-linux-user) 2549 # the toolchain is not complete with headers, only build softmmu tests 2550 continue 2551 ;; 2552 *-softmmu) 2553 test -f "$source_path/tests/tcg/$arch/Makefile.softmmu-target" || continue 2554 qemu="qemu-system-$arch" 2555 ;; 2556 *-linux-user|*-bsd-user) 2557 qemu="qemu-$arch" 2558 ;; 2559 esac 2560 2561 if probe_target_compiler $target || test -n "$container_image"; then 2562 test -n "$container_image" && build_static=y 2563 mkdir -p "tests/tcg/$target" 2564 config_target_mak=tests/tcg/$target/config-target.mak 2565 ln -sf "$source_path/tests/tcg/Makefile.target" "tests/tcg/$target/Makefile" 2566 echo "# Automatically generated by configure - do not modify" > "$config_target_mak" 2567 echo "TARGET_NAME=$arch" >> "$config_target_mak" 2568 echo "TARGET=$target" >> "$config_target_mak" 2569 write_target_makefile "build-tcg-tests-$target" >> "$config_target_mak" 2570 echo "BUILD_STATIC=$build_static" >> "$config_target_mak" 2571 echo "QEMU=$PWD/$qemu" >> "$config_target_mak" 2572 2573 # will GDB work with these binaries? 2574 if test "${gdb_arches#*$arch}" != "$gdb_arches"; then 2575 echo "HOST_GDB_SUPPORTS_ARCH=y" >> "$config_target_mak" 2576 fi 2577 2578 echo "run-tcg-tests-$target: $qemu\$(EXESUF)" >> Makefile.prereqs 2579 tcg_tests_targets="$tcg_tests_targets $target" 2580 fi 2581done 2582 2583if test "$tcg" = "enabled"; then 2584 echo "TCG_TESTS_TARGETS=$tcg_tests_targets" >> config-host.mak 2585fi 2586) 2587 2588if test "$skip_meson" = no; then 2589 cross="config-meson.cross.new" 2590 meson_quote() { 2591 test $# = 0 && return 2592 echo "'$(echo $* | sed "s/ /','/g")'" 2593 } 2594 2595 echo "# Automatically generated by configure - do not modify" > $cross 2596 echo "[properties]" >> $cross 2597 2598 # unroll any custom device configs 2599 for a in $device_archs; do 2600 eval "c=\$devices_${a}" 2601 echo "${a}-softmmu = '$c'" >> $cross 2602 done 2603 2604 echo "[built-in options]" >> $cross 2605 echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross 2606 echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross 2607 test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross 2608 echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross 2609 echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross 2610 echo "[binaries]" >> $cross 2611 echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross 2612 test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross 2613 test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross 2614 echo "ar = [$(meson_quote $ar)]" >> $cross 2615 echo "nm = [$(meson_quote $nm)]" >> $cross 2616 echo "pkgconfig = [$(meson_quote $pkg_config_exe)]" >> $cross 2617 echo "ranlib = [$(meson_quote $ranlib)]" >> $cross 2618 if has $sdl2_config; then 2619 echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross 2620 fi 2621 echo "strip = [$(meson_quote $strip)]" >> $cross 2622 echo "widl = [$(meson_quote $widl)]" >> $cross 2623 echo "windres = [$(meson_quote $windres)]" >> $cross 2624 echo "windmc = [$(meson_quote $windmc)]" >> $cross 2625 if test "$cross_compile" = "yes"; then 2626 cross_arg="--cross-file config-meson.cross" 2627 echo "[host_machine]" >> $cross 2628 echo "system = '$targetos'" >> $cross 2629 case "$cpu" in 2630 i386) 2631 echo "cpu_family = 'x86'" >> $cross 2632 ;; 2633 *) 2634 echo "cpu_family = '$cpu'" >> $cross 2635 ;; 2636 esac 2637 echo "cpu = '$cpu'" >> $cross 2638 if test "$bigendian" = "yes" ; then 2639 echo "endian = 'big'" >> $cross 2640 else 2641 echo "endian = 'little'" >> $cross 2642 fi 2643 else 2644 cross_arg="--native-file config-meson.cross" 2645 fi 2646 mv $cross config-meson.cross 2647 2648 rm -rf meson-private meson-info meson-logs 2649 2650 # Prevent meson from automatically downloading wrapped subprojects when missing. 2651 # You can use 'meson subprojects download' before running configure. 2652 meson_option_add "--wrap-mode=nodownload" 2653 2654 # Built-in options 2655 test "$bindir" != "bin" && meson_option_add "-Dbindir=$bindir" 2656 test "$default_feature" = no && meson_option_add -Dauto_features=disabled 2657 test "$pie" = no && meson_option_add -Db_pie=false 2658 test "$werror" = yes && meson_option_add -Dwerror=true 2659 2660 # QEMU options 2661 test "$cfi" != false && meson_option_add "-Dcfi=$cfi" 2662 test "$docs" != auto && meson_option_add "-Ddocs=$docs" 2663 test "$fdt" != auto && meson_option_add "-Dfdt=$fdt" 2664 test -n "${LIB_FUZZING_ENGINE+xxx}" && meson_option_add "-Dfuzzing_engine=$LIB_FUZZING_ENGINE" 2665 test "$qemu_suffix" != qemu && meson_option_add "-Dqemu_suffix=$qemu_suffix" 2666 test "$smbd" != '' && meson_option_add "-Dsmbd=$smbd" 2667 test "$tcg" != enabled && meson_option_add "-Dtcg=$tcg" 2668 test "$vfio_user_server" != auto && meson_option_add "-Dvfio_user_server=$vfio_user_server" 2669 run_meson() { 2670 NINJA=$ninja $meson setup --prefix "$prefix" "$@" $cross_arg "$PWD" "$source_path" 2671 } 2672 eval run_meson $meson_options 2673 if test "$?" -ne 0 ; then 2674 error_exit "meson setup failed" 2675 fi 2676fi 2677 2678# Save the configure command line for later reuse. 2679cat <<EOD >config.status 2680#!/bin/sh 2681# Generated by configure. 2682# Run this file to recreate the current configuration. 2683# Compiler output produced by configure, useful for debugging 2684# configure, is in config.log if it exists. 2685EOD 2686 2687preserve_env() { 2688 envname=$1 2689 2690 eval envval=\$$envname 2691 2692 if test -n "$envval" 2693 then 2694 echo "$envname='$envval'" >> config.status 2695 echo "export $envname" >> config.status 2696 else 2697 echo "unset $envname" >> config.status 2698 fi 2699} 2700 2701# Preserve various env variables that influence what 2702# features/build target configure will detect 2703preserve_env AR 2704preserve_env AS 2705preserve_env CC 2706preserve_env CFLAGS 2707preserve_env CXX 2708preserve_env CXXFLAGS 2709preserve_env LD 2710preserve_env LDFLAGS 2711preserve_env LD_LIBRARY_PATH 2712preserve_env MAKE 2713preserve_env NM 2714preserve_env OBJCFLAGS 2715preserve_env OBJCOPY 2716preserve_env PATH 2717preserve_env PKG_CONFIG 2718preserve_env PKG_CONFIG_LIBDIR 2719preserve_env PKG_CONFIG_PATH 2720preserve_env PYTHON 2721preserve_env QEMU_GA_MANUFACTURER 2722preserve_env QEMU_GA_DISTRO 2723preserve_env QEMU_GA_VERSION 2724preserve_env SDL2_CONFIG 2725preserve_env SMBD 2726preserve_env STRIP 2727preserve_env WIDL 2728preserve_env WINDRES 2729preserve_env WINDMC 2730 2731printf "exec" >>config.status 2732for i in "$0" "$@"; do 2733 test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status 2734done 2735echo ' "$@"' >>config.status 2736chmod +x config.status 2737 2738rm -r "$TMPDIR1" 2739