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 "$opt" in 267 --without-default-features) 268 default_feature="no" 269 ;; 270 esac 271done 272 273EXTRA_CFLAGS="" 274EXTRA_CXXFLAGS="" 275EXTRA_OBJCFLAGS="" 276EXTRA_LDFLAGS="" 277 278debug_tcg="no" 279sanitizers="no" 280tsan="no" 281fortify_source="yes" 282EXESUF="" 283modules="no" 284prefix="/usr/local" 285qemu_suffix="qemu" 286softmmu="yes" 287linux_user="" 288bsd_user="" 289pie="" 290coroutine="" 291plugins="$default_feature" 292meson="" 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 >= 3.6. 621 # NB: a True python conditional creates a non-zero return code (Failure) 622 "$1" -c 'import sys; sys.exit(sys.version_info < (3,6))' 623} 624 625python= 626first_python= 627if test -z "${PYTHON}"; then 628 # A bare 'python' is traditionally python 2.x, but some distros 629 # have it as python 3.x, so check in both places. 630 for binary in python3 python python3.11 python3.10 python3.9 python3.8 python3.7 python3.6; do 631 if has "$binary"; then 632 python=$(command -v "$binary") 633 if check_py_version "$python"; then 634 # This one is good. 635 first_python= 636 break 637 else 638 first_python=$python 639 fi 640 fi 641 done 642else 643 # Same as above, but only check the environment variable. 644 has "${PYTHON}" || error_exit "The PYTHON environment variable does not point to an executable" 645 python=$(command -v "$PYTHON") 646 if check_py_version "$python"; then 647 # This one is good. 648 first_python= 649 else 650 first_python=$first_python 651 fi 652fi 653 654# Check for ancillary tools used in testing 655genisoimage= 656for binary in genisoimage mkisofs 657do 658 if has $binary 659 then 660 genisoimage=$(command -v "$binary") 661 break 662 fi 663done 664 665if test "$mingw32" = "yes" ; then 666 EXESUF=".exe" 667 # MinGW needs -mthreads for TLS and macro _MT. 668 CONFIGURE_CFLAGS="-mthreads $CONFIGURE_CFLAGS" 669 prefix="/qemu" 670 bindir="" 671 qemu_suffix="" 672fi 673 674werror="" 675 676meson_option_build_array() { 677 printf '[' 678 (if test "$targetos" = windows; then 679 IFS=\; 680 else 681 IFS=: 682 fi 683 for e in $1; do 684 printf '"""' 685 # backslash escape any '\' and '"' characters 686 printf "%s" "$e" | sed -e 's/\([\"]\)/\\\1/g' 687 printf '""",' 688 done) 689 printf ']\n' 690} 691 692. "$source_path/scripts/meson-buildoptions.sh" 693 694meson_options= 695meson_option_add() { 696 meson_options="$meson_options $(quote_sh "$1")" 697} 698meson_option_parse() { 699 meson_options="$meson_options $(_meson_option_parse "$@")" 700 if test $? -eq 1; then 701 echo "ERROR: unknown option $1" 702 echo "Try '$0 --help' for more information" 703 exit 1 704 fi 705} 706 707for opt do 708 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 709 case "$opt" in 710 --help|-h) show_help=yes 711 ;; 712 --version|-V) exec cat "$source_path/VERSION" 713 ;; 714 --prefix=*) prefix="$optarg" 715 ;; 716 --cross-prefix=*) 717 ;; 718 --cc=*) 719 ;; 720 --host-cc=*) host_cc="$optarg" 721 ;; 722 --cxx=*) 723 ;; 724 --objcc=*) 725 ;; 726 --make=*) make="$optarg" 727 ;; 728 --install=*) 729 ;; 730 --python=*) python="$optarg" 731 ;; 732 --skip-meson) skip_meson=yes 733 ;; 734 --meson=*) meson="$optarg" 735 ;; 736 --ninja=*) ninja="$optarg" 737 ;; 738 --smbd=*) smbd="$optarg" 739 ;; 740 --extra-cflags=*) 741 ;; 742 --extra-cxxflags=*) 743 ;; 744 --extra-objcflags=*) 745 ;; 746 --extra-ldflags=*) 747 ;; 748 --cross-cc-*) 749 ;; 750 --cross-prefix-*) 751 ;; 752 --enable-debug-info) meson_option_add -Ddebug=true 753 ;; 754 --disable-debug-info) meson_option_add -Ddebug=false 755 ;; 756 --enable-modules) 757 modules="yes" 758 ;; 759 --disable-modules) 760 modules="no" 761 ;; 762 --cpu=*) 763 ;; 764 --target-list=*) target_list="$optarg" 765 if test "$target_list_exclude"; then 766 error_exit "Can't mix --target-list with --target-list-exclude" 767 fi 768 ;; 769 --target-list-exclude=*) target_list_exclude="$optarg" 770 if test "$target_list"; then 771 error_exit "Can't mix --target-list-exclude with --target-list" 772 fi 773 ;; 774 --with-default-devices) meson_option_add -Ddefault_devices=true 775 ;; 776 --without-default-devices) meson_option_add -Ddefault_devices=false 777 ;; 778 --with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option" 779 ;; 780 --with-devices-*) device_arch=${opt#--with-devices-}; 781 device_arch=${device_arch%%=*} 782 cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak 783 if test -f "$cf"; then 784 device_archs="$device_archs $device_arch" 785 eval "devices_${device_arch}=\$optarg" 786 else 787 error_exit "File $cf does not exist" 788 fi 789 ;; 790 --without-default-features) # processed above 791 ;; 792 --static) 793 static="yes" 794 QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS" 795 ;; 796 --bindir=*) bindir="$optarg" 797 ;; 798 --with-suffix=*) qemu_suffix="$optarg" 799 ;; 800 --host=*|--build=*|\ 801 --disable-dependency-tracking|\ 802 --sbindir=*|--sharedstatedir=*|\ 803 --oldincludedir=*|--datarootdir=*|--infodir=*|\ 804 --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*) 805 # These switches are silently ignored, for compatibility with 806 # autoconf-generated configure scripts. This allows QEMU's 807 # configure to be used by RPM and similar macros that set 808 # lots of directory switches by default. 809 ;; 810 --enable-debug-tcg) debug_tcg="yes" 811 ;; 812 --disable-debug-tcg) debug_tcg="no" 813 ;; 814 --enable-debug) 815 # Enable debugging options that aren't excessively noisy 816 debug_tcg="yes" 817 meson_option_parse --enable-debug-graph-lock "" 818 meson_option_parse --enable-debug-mutex "" 819 meson_option_add -Doptimization=0 820 fortify_source="no" 821 ;; 822 --enable-sanitizers) sanitizers="yes" 823 ;; 824 --disable-sanitizers) sanitizers="no" 825 ;; 826 --enable-tsan) tsan="yes" 827 ;; 828 --disable-tsan) tsan="no" 829 ;; 830 --disable-tcg) tcg="disabled" 831 plugins="no" 832 ;; 833 --enable-tcg) tcg="enabled" 834 ;; 835 --disable-system) softmmu="no" 836 ;; 837 --enable-system) softmmu="yes" 838 ;; 839 --disable-user) 840 linux_user="no" ; 841 bsd_user="no" ; 842 ;; 843 --enable-user) ;; 844 --disable-linux-user) linux_user="no" 845 ;; 846 --enable-linux-user) linux_user="yes" 847 ;; 848 --disable-bsd-user) bsd_user="no" 849 ;; 850 --enable-bsd-user) bsd_user="yes" 851 ;; 852 --enable-pie) pie="yes" 853 ;; 854 --disable-pie) pie="no" 855 ;; 856 --enable-werror) werror="yes" 857 ;; 858 --disable-werror) werror="no" 859 ;; 860 --enable-stack-protector) stack_protector="yes" 861 ;; 862 --disable-stack-protector) stack_protector="no" 863 ;; 864 --enable-safe-stack) safe_stack="yes" 865 ;; 866 --disable-safe-stack) safe_stack="no" 867 ;; 868 --enable-cfi) 869 cfi="true"; 870 meson_option_add -Db_lto=true 871 ;; 872 --disable-cfi) cfi="false" 873 ;; 874 --disable-fdt) fdt="disabled" 875 ;; 876 --enable-fdt) fdt="enabled" 877 ;; 878 --enable-fdt=git) fdt="internal" 879 ;; 880 --enable-fdt=*) fdt="$optarg" 881 ;; 882 --with-coroutine=*) coroutine="$optarg" 883 ;; 884 --with-git=*) git="$optarg" 885 ;; 886 --with-git-submodules=*) 887 git_submodules_action="$optarg" 888 ;; 889 --enable-plugins) if test "$mingw32" = "yes"; then 890 error_exit "TCG plugins not currently supported on Windows platforms" 891 else 892 plugins="yes" 893 fi 894 ;; 895 --disable-plugins) plugins="no" 896 ;; 897 --enable-containers) use_containers="yes" 898 ;; 899 --disable-containers) use_containers="no" 900 ;; 901 --gdb=*) gdb_bin="$optarg" 902 ;; 903 --enable-vfio-user-server) vfio_user_server="enabled" 904 ;; 905 --disable-vfio-user-server) vfio_user_server="disabled" 906 ;; 907 # everything else has the same name in configure and meson 908 --*) meson_option_parse "$opt" "$optarg" 909 ;; 910 esac 911done 912 913# test for any invalid configuration combinations 914if test "$plugins" = "yes" -a "$tcg" = "disabled"; then 915 error_exit "Can't enable plugins on non-TCG builds" 916fi 917 918case $git_submodules_action in 919 update|validate) 920 if test ! -e "$source_path/.git"; then 921 echo "ERROR: cannot $git_submodules_action git submodules without .git" 922 exit 1 923 fi 924 ;; 925 ignore) 926 if ! test -f "$source_path/ui/keycodemapdb/README" 927 then 928 echo 929 echo "ERROR: missing GIT submodules" 930 echo 931 if test -e "$source_path/.git"; then 932 echo "--with-git-submodules=ignore specified but submodules were not" 933 echo "checked out. Please initialize and update submodules." 934 else 935 echo "This is not a GIT checkout but module content appears to" 936 echo "be missing. Do not use 'git archive' or GitHub download links" 937 echo "to acquire QEMU source archives. Non-GIT builds are only" 938 echo "supported with source archives linked from:" 939 echo 940 echo " https://www.qemu.org/download/#source" 941 echo 942 echo "Developers working with GIT can use scripts/archive-source.sh" 943 echo "if they need to create valid source archives." 944 fi 945 echo 946 exit 1 947 fi 948 ;; 949 *) 950 echo "ERROR: invalid --with-git-submodules= value '$git_submodules_action'" 951 exit 1 952 ;; 953esac 954 955default_target_list="" 956mak_wilds="" 957 958if [ "$linux_user" != no ]; then 959 if [ "$targetos" = linux ] && [ -d "$source_path/linux-user/include/host/$cpu" ]; then 960 linux_user=yes 961 elif [ "$linux_user" = yes ]; then 962 error_exit "linux-user not supported on this architecture" 963 fi 964fi 965if [ "$bsd_user" != no ]; then 966 if [ "$bsd_user" = "" ]; then 967 test $targetos = freebsd && bsd_user=yes 968 fi 969 if [ "$bsd_user" = yes ] && ! [ -d "$source_path/bsd-user/$targetos" ]; then 970 error_exit "bsd-user not supported on this host OS" 971 fi 972fi 973if [ "$softmmu" = "yes" ]; then 974 mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak" 975fi 976if [ "$linux_user" = "yes" ]; then 977 mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak" 978fi 979if [ "$bsd_user" = "yes" ]; then 980 mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak" 981fi 982 983for config in $mak_wilds; do 984 target="$(basename "$config" .mak)" 985 if echo "$target_list_exclude" | grep -vq "$target"; then 986 default_target_list="${default_target_list} $target" 987 fi 988done 989 990if test x"$show_help" = x"yes" ; then 991cat << EOF 992 993Usage: configure [options] 994Options: [defaults in brackets after descriptions] 995 996Standard options: 997 --help print this message 998 --prefix=PREFIX install in PREFIX [$prefix] 999 --target-list=LIST set target list (default: build all) 1000$(echo Available targets: $default_target_list | \ 1001 fold -s -w 53 | sed -e 's/^/ /') 1002 --target-list-exclude=LIST exclude a set of targets from the default target-list 1003 1004Advanced options (experts only): 1005 --cross-prefix=PREFIX use PREFIX for compile tools, PREFIX can be blank [$cross_prefix] 1006 --cc=CC use C compiler CC [$cc] 1007 --host-cc=CC use C compiler CC [$host_cc] for code run at 1008 build time 1009 --cxx=CXX use C++ compiler CXX [$cxx] 1010 --objcc=OBJCC use Objective-C compiler OBJCC [$objcc] 1011 --extra-cflags=CFLAGS append extra C compiler flags CFLAGS 1012 --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS 1013 --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS 1014 --extra-ldflags=LDFLAGS append extra linker flags LDFLAGS 1015 --cross-cc-ARCH=CC use compiler when building ARCH guest test cases 1016 --cross-cc-cflags-ARCH= use compiler flags when building ARCH guest tests 1017 --cross-prefix-ARCH=PREFIX cross compiler prefix when building ARCH guest test cases 1018 --make=MAKE use specified make [$make] 1019 --python=PYTHON use specified python [$python] 1020 --meson=MESON use specified meson [$meson] 1021 --ninja=NINJA use specified ninja [$ninja] 1022 --smbd=SMBD use specified smbd [$smbd] 1023 --with-git=GIT use specified git [$git] 1024 --with-git-submodules=update update git submodules (default if .git dir exists) 1025 --with-git-submodules=validate fail if git submodules are not up to date 1026 --with-git-submodules=ignore do not update or check git submodules (default if no .git dir) 1027 --static enable static build [$static] 1028 --bindir=PATH install binaries in PATH 1029 --with-suffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix] 1030 --without-default-features default all --enable-* options to "disabled" 1031 --without-default-devices do not include any device that is not needed to 1032 start the emulator (only use if you are including 1033 desired devices in configs/devices/) 1034 --with-devices-ARCH=NAME override default configs/devices 1035 --enable-debug enable common debug build options 1036 --enable-sanitizers enable default sanitizers 1037 --enable-tsan enable thread sanitizer 1038 --disable-werror disable compilation abort on warning 1039 --disable-stack-protector disable compiler-provided stack protection 1040 --cpu=CPU Build for host CPU [$cpu] 1041 --with-coroutine=BACKEND coroutine backend. Supported options: 1042 ucontext, sigaltstack, windows 1043 --enable-plugins 1044 enable plugins via shared library loading 1045 --disable-containers don't use containers for cross-building 1046 --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin] 1047EOF 1048 meson_options_help 1049cat << EOF 1050 system all system emulation targets 1051 user supported user emulation targets 1052 linux-user all linux usermode emulation targets 1053 bsd-user all BSD usermode emulation targets 1054 pie Position Independent Executables 1055 modules modules support (non-Windows) 1056 debug-tcg TCG debugging (default is disabled) 1057 debug-info debugging information 1058 safe-stack SafeStack Stack Smash Protection. Depends on 1059 clang/llvm and requires coroutine backend ucontext. 1060 1061NOTE: The object files are built at the place where configure is launched 1062EOF 1063exit 0 1064fi 1065 1066# Remove old dependency files to make sure that they get properly regenerated 1067rm -f ./*/config-devices.mak.d 1068 1069if test -z "$python" 1070then 1071 # If first_python is set, there was a binary somewhere even though 1072 # it was not suitable. Use it for the error message. 1073 if test -n "$first_python"; then 1074 error_exit "Cannot use '$first_python', Python >= 3.6 is required." \ 1075 "Use --python=/path/to/python to specify a supported Python." 1076 else 1077 error_exit "Python not found. Use --python=/path/to/python" 1078 fi 1079fi 1080 1081if ! has "$make" 1082then 1083 error_exit "GNU make ($make) not found" 1084fi 1085 1086if ! check_py_version "$python"; then 1087 error_exit "Cannot use '$python', Python >= 3.6 is required." \ 1088 "Use --python=/path/to/python to specify a supported Python." 1089fi 1090 1091# Resolve PATH 1092python="$(command -v "$python")" 1093explicit_python=yes 1094 1095# Create a Python virtual environment using our configured python. 1096# The stdout of this script will be the location of a symlink that 1097# points to the configured Python. 1098# Entry point scripts for pip, meson, and sphinx are generated if those 1099# packages are present. 1100 1101# Defaults assumed for now: 1102# - venv is cleared if it exists already; 1103# - venv is allowed to use system packages; 1104# - all setup is performed **offline**; 1105# - No packages are installed by default; 1106# - pip is not installed into the venv when possible, 1107# but ensurepip is called as a fallback when necessary. 1108 1109echo "python determined to be '$python'" 1110echo "python version: $($python --version)" 1111 1112python="$($python -B "${source_path}/python/scripts/mkvenv.py" create pyvenv)" 1113if test "$?" -ne 0 ; then 1114 error_exit "python venv creation failed" 1115fi 1116 1117# Suppress writing compiled files 1118python="$python -B" 1119 1120has_meson() { 1121 local python_dir=$(dirname "$python") 1122 # PEP405: pyvenv.cfg is either adjacent to the Python executable 1123 # or one directory above 1124 if test -f $python_dir/pyvenv.cfg || test -f $python_dir/../pyvenv.cfg; then 1125 # Ensure that Meson and Python come from the same virtual environment 1126 test -x "$python_dir/meson" && 1127 test "$(command -v meson)" -ef "$python_dir/meson" 1128 else 1129 has meson 1130 fi 1131} 1132 1133if test -z "$meson"; then 1134 if test "$explicit_python" = no && has_meson && version_ge "$(meson --version)" 0.61.5; then 1135 meson=meson 1136 elif test "$git_submodules_action" != 'ignore' ; then 1137 meson=git 1138 elif test -e "${source_path}/meson/meson.py" ; then 1139 meson=internal 1140 else 1141 if test "$explicit_python" = yes; then 1142 error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found." 1143 else 1144 error_exit "Meson not found. Use --meson=/path/to/meson" 1145 fi 1146 fi 1147else 1148 # Meson uses its own Python interpreter to invoke other Python scripts, 1149 # but the user wants to use the one they specified with --python. 1150 # 1151 # We do not want to override the distro Python interpreter (and sometimes 1152 # cannot: for example in Homebrew /usr/bin/meson is a bash script), so 1153 # just require --meson=git|internal together with --python. 1154 if test "$explicit_python" = yes; then 1155 case "$meson" in 1156 git | internal) ;; 1157 *) error_exit "--python requires using QEMU's embedded Meson distribution." ;; 1158 esac 1159 fi 1160fi 1161 1162if test "$meson" = git; then 1163 git_submodules="${git_submodules} meson" 1164fi 1165 1166case "$meson" in 1167 git | internal) 1168 meson="$python ${source_path}/meson/meson.py" 1169 ;; 1170 *) meson=$(command -v "$meson") ;; 1171esac 1172 1173# Probe for ninja 1174 1175if test -z "$ninja"; then 1176 for c in ninja ninja-build samu; do 1177 if has $c; then 1178 ninja=$(command -v "$c") 1179 break 1180 fi 1181 done 1182 if test -z "$ninja"; then 1183 error_exit "Cannot find Ninja" 1184 fi 1185fi 1186 1187# Check that the C compiler works. Doing this here before testing 1188# the host CPU ensures that we had a valid CC to autodetect the 1189# $cpu var (and we should bail right here if that's not the case). 1190# It also allows the help message to be printed without a CC. 1191write_c_skeleton; 1192if compile_object ; then 1193 : C compiler works ok 1194else 1195 error_exit "\"$cc\" either does not exist or does not work" 1196fi 1197if ! compile_prog ; then 1198 error_exit "\"$cc\" cannot build an executable (is your linker broken?)" 1199fi 1200 1201# Consult white-list to determine whether to enable werror 1202# by default. Only enable by default for git builds 1203if test -z "$werror" ; then 1204 if test "$git_submodules_action" != "ignore" && \ 1205 { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then 1206 werror="yes" 1207 else 1208 werror="no" 1209 fi 1210fi 1211 1212if test "$targetos" = "bogus"; then 1213 # Now that we know that we're not printing the help and that 1214 # the compiler works (so the results of the check_defines we used 1215 # to identify the OS are reliable), if we didn't recognize the 1216 # host OS we should stop now. 1217 error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')" 1218fi 1219 1220# Check whether the compiler matches our minimum requirements: 1221cat > $TMPC << EOF 1222#if defined(__clang_major__) && defined(__clang_minor__) 1223# ifdef __apple_build_version__ 1224# if __clang_major__ < 12 || (__clang_major__ == 12 && __clang_minor__ < 0) 1225# error You need at least XCode Clang v12.0 to compile QEMU 1226# endif 1227# else 1228# if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0) 1229# error You need at least Clang v10.0 to compile QEMU 1230# endif 1231# endif 1232#elif defined(__GNUC__) && defined(__GNUC_MINOR__) 1233# if __GNUC__ < 7 || (__GNUC__ == 7 && __GNUC_MINOR__ < 4) 1234# error You need at least GCC v7.4.0 to compile QEMU 1235# endif 1236#else 1237# error You either need GCC or Clang to compiler QEMU 1238#endif 1239int main (void) { return 0; } 1240EOF 1241if ! compile_prog "" "" ; then 1242 error_exit "You need at least GCC v7.4 or Clang v10.0 (or XCode Clang v12.0)" 1243fi 1244 1245# Accumulate -Wfoo and -Wno-bar separately. 1246# We will list all of the enable flags first, and the disable flags second. 1247# Note that we do not add -Werror, because that would enable it for all 1248# configure tests. If a configure test failed due to -Werror this would 1249# just silently disable some features, so it's too error prone. 1250 1251warn_flags= 1252add_to warn_flags -Wundef 1253add_to warn_flags -Wwrite-strings 1254add_to warn_flags -Wmissing-prototypes 1255add_to warn_flags -Wstrict-prototypes 1256add_to warn_flags -Wredundant-decls 1257add_to warn_flags -Wold-style-declaration 1258add_to warn_flags -Wold-style-definition 1259add_to warn_flags -Wtype-limits 1260add_to warn_flags -Wformat-security 1261add_to warn_flags -Wformat-y2k 1262add_to warn_flags -Winit-self 1263add_to warn_flags -Wignored-qualifiers 1264add_to warn_flags -Wempty-body 1265add_to warn_flags -Wnested-externs 1266add_to warn_flags -Wendif-labels 1267add_to warn_flags -Wexpansion-to-defined 1268add_to warn_flags -Wimplicit-fallthrough=2 1269add_to warn_flags -Wmissing-format-attribute 1270 1271if test "$targetos" != "darwin"; then 1272 add_to warn_flags -Wthread-safety 1273fi 1274 1275nowarn_flags= 1276add_to nowarn_flags -Wno-initializer-overrides 1277add_to nowarn_flags -Wno-missing-include-dirs 1278add_to nowarn_flags -Wno-shift-negative-value 1279add_to nowarn_flags -Wno-string-plus-int 1280add_to nowarn_flags -Wno-typedef-redefinition 1281add_to nowarn_flags -Wno-tautological-type-limit-compare 1282add_to nowarn_flags -Wno-psabi 1283add_to nowarn_flags -Wno-gnu-variable-sized-type-not-at-end 1284 1285gcc_flags="$warn_flags $nowarn_flags" 1286 1287cc_has_warning_flag() { 1288 write_c_skeleton; 1289 1290 # Use the positive sense of the flag when testing for -Wno-wombat 1291 # support (gcc will happily accept the -Wno- form of unknown 1292 # warning options). 1293 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')" 1294 compile_prog "-Werror $optflag" "" 1295} 1296 1297objcc_has_warning_flag() { 1298 cat > $TMPM <<EOF 1299int main(void) { return 0; } 1300EOF 1301 1302 # Use the positive sense of the flag when testing for -Wno-wombat 1303 # support (gcc will happily accept the -Wno- form of unknown 1304 # warning options). 1305 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')" 1306 do_objc -Werror $optflag \ 1307 $OBJCFLAGS $EXTRA_OBJCFLAGS $CONFIGURE_OBJCFLAGS $QEMU_OBJCFLAGS \ 1308 -o $TMPE $TMPM $QEMU_LDFLAGS 1309} 1310 1311for flag in $gcc_flags; do 1312 if cc_has_warning_flag $flag ; then 1313 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1314 fi 1315 if objcc_has_warning_flag $flag ; then 1316 QEMU_OBJCFLAGS="$QEMU_OBJCFLAGS $flag" 1317 fi 1318done 1319 1320if test "$stack_protector" != "no"; then 1321 cat > $TMPC << EOF 1322int main(int argc, char *argv[]) 1323{ 1324 char arr[64], *p = arr, *c = argv[argc - 1]; 1325 while (*c) { 1326 *p++ = *c++; 1327 } 1328 return 0; 1329} 1330EOF 1331 gcc_flags="-fstack-protector-strong -fstack-protector-all" 1332 sp_on=0 1333 for flag in $gcc_flags; do 1334 # We need to check both a compile and a link, since some compiler 1335 # setups fail only on a .c->.o compile and some only at link time 1336 if compile_object "-Werror $flag" && 1337 compile_prog "-Werror $flag" ""; then 1338 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1339 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 1340 sp_on=1 1341 break 1342 fi 1343 done 1344 if test "$stack_protector" = yes; then 1345 if test $sp_on = 0; then 1346 error_exit "Stack protector not supported" 1347 fi 1348 fi 1349fi 1350 1351# Our module code doesn't support Windows 1352if test "$modules" = "yes" && test "$mingw32" = "yes" ; then 1353 error_exit "Modules are not available for Windows" 1354fi 1355 1356# Static linking is not possible with plugins, modules or PIE 1357if test "$static" = "yes" ; then 1358 if test "$modules" = "yes" ; then 1359 error_exit "static and modules are mutually incompatible" 1360 fi 1361 if test "$plugins" = "yes"; then 1362 error_exit "static and plugins are mutually incompatible" 1363 else 1364 plugins="no" 1365 fi 1366fi 1367test "$plugins" = "" && plugins=yes 1368 1369cat > $TMPC << EOF 1370 1371#ifdef __linux__ 1372# define THREAD __thread 1373#else 1374# define THREAD 1375#endif 1376static THREAD int tls_var; 1377int main(void) { return tls_var; } 1378EOF 1379 1380# Meson currently only handles pie as a boolean for now so if we have 1381# explicitly disabled PIE we need to extend our cflags because it wont. 1382if test "$static" = "yes"; then 1383 if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then 1384 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" 1385 pie="yes" 1386 elif test "$pie" = "yes"; then 1387 error_exit "-static-pie not available due to missing toolchain support" 1388 else 1389 pie="no" 1390 QEMU_CFLAGS="-fno-pie $QEMU_CFLAGS" 1391 fi 1392elif test "$pie" = "no"; then 1393 if compile_prog "-Werror -fno-pie" "-no-pie"; then 1394 CONFIGURE_CFLAGS="-fno-pie $CONFIGURE_CFLAGS" 1395 CONFIGURE_LDFLAGS="-no-pie $CONFIGURE_LDFLAGS" 1396 QEMU_CFLAGS="-fno-pie -no-pie $QEMU_CFLAGS" 1397 fi 1398elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then 1399 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" 1400 CONFIGURE_LDFLAGS="-pie $CONFIGURE_LDFLAGS" 1401 pie="yes" 1402elif test "$pie" = "yes"; then 1403 error_exit "PIE not available due to missing toolchain support" 1404else 1405 echo "Disabling PIE due to missing toolchain support" 1406 pie="no" 1407fi 1408 1409########################################## 1410# __sync_fetch_and_and requires at least -march=i486. Many toolchains 1411# use i686 as default anyway, but for those that don't, an explicit 1412# specification is necessary 1413 1414if test "$cpu" = "i386"; then 1415 cat > $TMPC << EOF 1416static int sfaa(int *ptr) 1417{ 1418 return __sync_fetch_and_and(ptr, 0); 1419} 1420 1421int main(void) 1422{ 1423 int val = 42; 1424 val = __sync_val_compare_and_swap(&val, 0, 1); 1425 sfaa(&val); 1426 return val; 1427} 1428EOF 1429 if ! compile_prog "" "" ; then 1430 QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS" 1431 fi 1432fi 1433 1434if test -z "${target_list+xxx}" ; then 1435 default_targets=yes 1436 for target in $default_target_list; do 1437 target_list="$target_list $target" 1438 done 1439 target_list="${target_list# }" 1440else 1441 default_targets=no 1442 target_list=$(echo "$target_list" | sed -e 's/,/ /g') 1443 for target in $target_list; do 1444 # Check that we recognised the target name; this allows a more 1445 # friendly error message than if we let it fall through. 1446 case " $default_target_list " in 1447 *" $target "*) 1448 ;; 1449 *) 1450 error_exit "Unknown target name '$target'" 1451 ;; 1452 esac 1453 done 1454fi 1455 1456# see if system emulation was really requested 1457case " $target_list " in 1458 *"-softmmu "*) softmmu=yes 1459 ;; 1460 *) softmmu=no 1461 ;; 1462esac 1463 1464if test "$tcg" = "auto"; then 1465 if test -z "$target_list"; then 1466 tcg="disabled" 1467 else 1468 tcg="enabled" 1469 fi 1470fi 1471 1472if test "$tcg" = "enabled"; then 1473 git_submodules="$git_submodules tests/fp/berkeley-testfloat-3" 1474 git_submodules="$git_submodules tests/fp/berkeley-softfloat-3" 1475fi 1476 1477########################################## 1478# big/little endian test 1479cat > $TMPC << EOF 1480#if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ 1481# error LITTLE 1482#endif 1483int main(void) { return 0; } 1484EOF 1485 1486if ! compile_prog ; then 1487 bigendian="no" 1488else 1489 cat > $TMPC << EOF 1490#if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ 1491# error BIG 1492#endif 1493int main(void) { return 0; } 1494EOF 1495 1496 if ! compile_prog ; then 1497 bigendian="yes" 1498 else 1499 echo big/little test failed 1500 exit 1 1501 fi 1502fi 1503 1504########################################## 1505# pkg-config probe 1506 1507if ! has "$pkg_config_exe"; then 1508 error_exit "pkg-config binary '$pkg_config_exe' not found" 1509fi 1510 1511########################################## 1512# glib support probe 1513 1514# When bumping glib_req_ver, please check also whether we should increase 1515# the _WIN32_WINNT setting in osdep.h according to the value from glib 1516glib_req_ver=2.56 1517glib_modules=gthread-2.0 1518if test "$modules" = yes; then 1519 glib_modules="$glib_modules gmodule-export-2.0" 1520elif test "$plugins" = "yes"; then 1521 glib_modules="$glib_modules gmodule-no-export-2.0" 1522fi 1523 1524for i in $glib_modules; do 1525 if $pkg_config --atleast-version=$glib_req_ver $i; then 1526 glib_cflags=$($pkg_config --cflags $i) 1527 glib_libs=$($pkg_config --libs $i) 1528 else 1529 error_exit "glib-$glib_req_ver $i is required to compile QEMU" 1530 fi 1531done 1532 1533# Check whether glib has gslice, which we have to avoid for correctness. 1534# TODO: remove this check and the corresponding workaround (qtree) when 1535# the minimum supported glib is >= $glib_dropped_gslice_version. 1536glib_dropped_gslice_version=2.75.3 1537for i in $glib_modules; do 1538 if ! $pkg_config --atleast-version=$glib_dropped_gslice_version $i; then 1539 glib_has_gslice="yes" 1540 break 1541 fi 1542done 1543 1544glib_bindir="$($pkg_config --variable=bindir glib-2.0)" 1545if test -z "$glib_bindir" ; then 1546 glib_bindir="$($pkg_config --variable=prefix glib-2.0)"/bin 1547fi 1548 1549# This workaround is required due to a bug in pkg-config file for glib as it 1550# doesn't define GLIB_STATIC_COMPILATION for pkg-config --static 1551 1552if test "$static" = yes && test "$mingw32" = yes; then 1553 glib_cflags="-DGLIB_STATIC_COMPILATION $glib_cflags" 1554fi 1555 1556# Sanity check that the current size_t matches the 1557# size that glib thinks it should be. This catches 1558# problems on multi-arch where people try to build 1559# 32-bit QEMU while pointing at 64-bit glib headers 1560cat > $TMPC <<EOF 1561#include <glib.h> 1562#include <unistd.h> 1563 1564#define QEMU_BUILD_BUG_ON(x) \ 1565 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused)); 1566 1567int main(void) { 1568 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T); 1569 return 0; 1570} 1571EOF 1572 1573if ! compile_prog "$glib_cflags" "$glib_libs" ; then 1574 error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\ 1575 "You probably need to set PKG_CONFIG_LIBDIR"\ 1576 "to point to the right pkg-config files for your"\ 1577 "build target" 1578fi 1579 1580# Silence clang warnings triggered by glib < 2.57.2 1581cat > $TMPC << EOF 1582#include <glib.h> 1583typedef struct Foo { 1584 int i; 1585} Foo; 1586static void foo_free(Foo *f) 1587{ 1588 g_free(f); 1589} 1590G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free) 1591int main(void) { return 0; } 1592EOF 1593if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then 1594 if cc_has_warning_flag "-Wno-unused-function"; then 1595 glib_cflags="$glib_cflags -Wno-unused-function" 1596 CONFIGURE_CFLAGS="$CONFIGURE_CFLAGS -Wno-unused-function" 1597 fi 1598fi 1599 1600########################################## 1601# fdt probe 1602 1603case "$fdt" in 1604 auto | enabled | internal) 1605 # Simpler to always update submodule, even if not needed. 1606 git_submodules="${git_submodules} dtc" 1607 ;; 1608esac 1609 1610########################################## 1611# check and set a backend for coroutine 1612 1613# We prefer ucontext, but it's not always possible. The fallback 1614# is sigcontext. On Windows the only valid backend is the Windows 1615# specific one. 1616 1617ucontext_works=no 1618if test "$darwin" != "yes"; then 1619 cat > $TMPC << EOF 1620#include <ucontext.h> 1621#ifdef __stub_makecontext 1622#error Ignoring glibc stub makecontext which will always fail 1623#endif 1624int main(void) { makecontext(0, 0, 0); return 0; } 1625EOF 1626 if compile_prog "" "" ; then 1627 ucontext_works=yes 1628 fi 1629fi 1630 1631if test "$coroutine" = ""; then 1632 if test "$mingw32" = "yes"; then 1633 coroutine=win32 1634 elif test "$ucontext_works" = "yes"; then 1635 coroutine=ucontext 1636 else 1637 coroutine=sigaltstack 1638 fi 1639else 1640 case $coroutine in 1641 windows) 1642 if test "$mingw32" != "yes"; then 1643 error_exit "'windows' coroutine backend only valid for Windows" 1644 fi 1645 # Unfortunately the user visible backend name doesn't match the 1646 # coroutine-*.c filename for this case, so we have to adjust it here. 1647 coroutine=win32 1648 ;; 1649 ucontext) 1650 if test "$ucontext_works" != "yes"; then 1651 error_exit "'ucontext' backend requested but makecontext not available" 1652 fi 1653 ;; 1654 sigaltstack) 1655 if test "$mingw32" = "yes"; then 1656 error_exit "only the 'windows' coroutine backend is valid for Windows" 1657 fi 1658 ;; 1659 *) 1660 error_exit "unknown coroutine backend $coroutine" 1661 ;; 1662 esac 1663fi 1664 1665################################################## 1666# SafeStack 1667 1668 1669if test "$safe_stack" = "yes"; then 1670cat > $TMPC << EOF 1671int main(void) 1672{ 1673#if ! __has_feature(safe_stack) 1674#error SafeStack Disabled 1675#endif 1676 return 0; 1677} 1678EOF 1679 flag="-fsanitize=safe-stack" 1680 # Check that safe-stack is supported and enabled. 1681 if compile_prog "-Werror $flag" "$flag"; then 1682 # Flag needed both at compilation and at linking 1683 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1684 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 1685 else 1686 error_exit "SafeStack not supported by your compiler" 1687 fi 1688 if test "$coroutine" != "ucontext"; then 1689 error_exit "SafeStack is only supported by the coroutine backend ucontext" 1690 fi 1691else 1692cat > $TMPC << EOF 1693int main(void) 1694{ 1695#if defined(__has_feature) 1696#if __has_feature(safe_stack) 1697#error SafeStack Enabled 1698#endif 1699#endif 1700 return 0; 1701} 1702EOF 1703if test "$safe_stack" = "no"; then 1704 # Make sure that safe-stack is disabled 1705 if ! compile_prog "-Werror" ""; then 1706 # SafeStack was already enabled, try to explicitly remove the feature 1707 flag="-fno-sanitize=safe-stack" 1708 if ! compile_prog "-Werror $flag" "$flag"; then 1709 error_exit "Configure cannot disable SafeStack" 1710 fi 1711 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1712 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 1713 fi 1714else # "$safe_stack" = "" 1715 # Set safe_stack to yes or no based on pre-existing flags 1716 if compile_prog "-Werror" ""; then 1717 safe_stack="no" 1718 else 1719 safe_stack="yes" 1720 if test "$coroutine" != "ucontext"; then 1721 error_exit "SafeStack is only supported by the coroutine backend ucontext" 1722 fi 1723 fi 1724fi 1725fi 1726 1727######################################## 1728# check if ccache is interfering with 1729# semantic analysis of macros 1730 1731unset CCACHE_CPP2 1732ccache_cpp2=no 1733cat > $TMPC << EOF 1734static const int Z = 1; 1735#define fn() ({ Z; }) 1736#define TAUT(X) ((X) == Z) 1737#define PAREN(X, Y) (X == Y) 1738#define ID(X) (X) 1739int main(void) 1740{ 1741 int x = 0, y = 0; 1742 x = ID(x); 1743 x = fn(); 1744 fn(); 1745 if (PAREN(x, y)) return 0; 1746 if (TAUT(Z)) return 0; 1747 return 0; 1748} 1749EOF 1750 1751if ! compile_object "-Werror"; then 1752 ccache_cpp2=yes 1753fi 1754 1755################################################# 1756# clang does not support glibc + FORTIFY_SOURCE. 1757 1758if test "$fortify_source" != "no"; then 1759 if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then 1760 fortify_source="no"; 1761 elif test -n "$cxx" && has $cxx && 1762 echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then 1763 fortify_source="no"; 1764 else 1765 fortify_source="yes" 1766 fi 1767fi 1768 1769########################################## 1770# checks for sanitizers 1771 1772have_asan=no 1773have_ubsan=no 1774have_asan_iface_h=no 1775have_asan_iface_fiber=no 1776 1777if test "$sanitizers" = "yes" ; then 1778 write_c_skeleton 1779 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then 1780 have_asan=yes 1781 fi 1782 1783 # we could use a simple skeleton for flags checks, but this also 1784 # detect the static linking issue of ubsan, see also: 1785 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285 1786 cat > $TMPC << EOF 1787int main(int argc, char **argv) 1788{ 1789 return argc + 1; 1790} 1791EOF 1792 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then 1793 have_ubsan=yes 1794 fi 1795 1796 if check_include "sanitizer/asan_interface.h" ; then 1797 have_asan_iface_h=yes 1798 fi 1799 1800 cat > $TMPC << EOF 1801#include <sanitizer/asan_interface.h> 1802int main(void) { 1803 __sanitizer_start_switch_fiber(0, 0, 0); 1804 return 0; 1805} 1806EOF 1807 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then 1808 have_asan_iface_fiber=yes 1809 fi 1810fi 1811 1812# Thread sanitizer is, for now, much noisier than the other sanitizers; 1813# keep it separate until that is not the case. 1814if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then 1815 error_exit "TSAN is not supported with other sanitiziers." 1816fi 1817have_tsan=no 1818have_tsan_iface_fiber=no 1819if test "$tsan" = "yes" ; then 1820 write_c_skeleton 1821 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then 1822 have_tsan=yes 1823 fi 1824 cat > $TMPC << EOF 1825#include <sanitizer/tsan_interface.h> 1826int main(void) { 1827 __tsan_create_fiber(0); 1828 return 0; 1829} 1830EOF 1831 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then 1832 have_tsan_iface_fiber=yes 1833 fi 1834fi 1835 1836########################################## 1837# functions to probe cross compilers 1838 1839container="no" 1840runc="" 1841if test $use_containers = "yes" && (has "docker" || has "podman"); then 1842 case $($python "$source_path"/tests/docker/docker.py probe) in 1843 *docker) container=docker ;; 1844 podman) container=podman ;; 1845 no) container=no ;; 1846 esac 1847 if test "$container" != "no"; then 1848 docker_py="$python $source_path/tests/docker/docker.py --engine $container" 1849 runc=$($python "$source_path"/tests/docker/docker.py probe) 1850 fi 1851fi 1852 1853# cross compilers defaults, can be overridden with --cross-cc-ARCH 1854: ${cross_prefix_aarch64="aarch64-linux-gnu-"} 1855: ${cross_prefix_aarch64_be="$cross_prefix_aarch64"} 1856: ${cross_prefix_alpha="alpha-linux-gnu-"} 1857: ${cross_prefix_arm="arm-linux-gnueabihf-"} 1858: ${cross_prefix_armeb="$cross_prefix_arm"} 1859: ${cross_prefix_hexagon="hexagon-unknown-linux-musl-"} 1860: ${cross_prefix_loongarch64="loongarch64-unknown-linux-gnu-"} 1861: ${cross_prefix_hppa="hppa-linux-gnu-"} 1862: ${cross_prefix_i386="i686-linux-gnu-"} 1863: ${cross_prefix_m68k="m68k-linux-gnu-"} 1864: ${cross_prefix_microblaze="microblaze-linux-musl-"} 1865: ${cross_prefix_mips64el="mips64el-linux-gnuabi64-"} 1866: ${cross_prefix_mips64="mips64-linux-gnuabi64-"} 1867: ${cross_prefix_mipsel="mipsel-linux-gnu-"} 1868: ${cross_prefix_mips="mips-linux-gnu-"} 1869: ${cross_prefix_nios2="nios2-linux-gnu-"} 1870: ${cross_prefix_ppc="powerpc-linux-gnu-"} 1871: ${cross_prefix_ppc64="powerpc64-linux-gnu-"} 1872: ${cross_prefix_ppc64le="$cross_prefix_ppc64"} 1873: ${cross_prefix_riscv64="riscv64-linux-gnu-"} 1874: ${cross_prefix_s390x="s390x-linux-gnu-"} 1875: ${cross_prefix_sh4="sh4-linux-gnu-"} 1876: ${cross_prefix_sparc64="sparc64-linux-gnu-"} 1877: ${cross_prefix_sparc="$cross_prefix_sparc64"} 1878: ${cross_prefix_x86_64="x86_64-linux-gnu-"} 1879 1880: ${cross_cc_aarch64_be="$cross_cc_aarch64"} 1881: ${cross_cc_cflags_aarch64_be="-mbig-endian"} 1882: ${cross_cc_armeb="$cross_cc_arm"} 1883: ${cross_cc_cflags_armeb="-mbig-endian"} 1884: ${cross_cc_hexagon="hexagon-unknown-linux-musl-clang"} 1885: ${cross_cc_cflags_hexagon="-mv67 -O2 -static"} 1886: ${cross_cc_cflags_i386="-m32"} 1887: ${cross_cc_cflags_ppc="-m32 -mbig-endian"} 1888: ${cross_cc_cflags_ppc64="-m64 -mbig-endian"} 1889: ${cross_cc_ppc64le="$cross_cc_ppc64"} 1890: ${cross_cc_cflags_ppc64le="-m64 -mlittle-endian"} 1891: ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"} 1892: ${cross_cc_sparc="$cross_cc_sparc64"} 1893: ${cross_cc_cflags_sparc="-m32 -mcpu=supersparc"} 1894: ${cross_cc_cflags_x86_64="-m64"} 1895 1896compute_target_variable() { 1897 eval "$2=" 1898 if eval test -n "\"\${cross_prefix_$1}\""; then 1899 if eval has "\"\${cross_prefix_$1}\$3\""; then 1900 eval "$2=\"\${cross_prefix_$1}\$3\"" 1901 fi 1902 fi 1903} 1904 1905have_target() { 1906 for i; do 1907 case " $target_list " in 1908 *" $i "*) return 0;; 1909 *) ;; 1910 esac 1911 done 1912 return 1 1913} 1914 1915# probe_target_compiler TARGET 1916# 1917# Look for a compiler for the given target, either native or cross. 1918# Set variables target_* if a compiler is found, and container_cross_* 1919# if a Docker-based cross-compiler image is known for the target. 1920# Set got_cross_cc to yes/no depending on whether a non-container-based 1921# compiler was found. 1922# 1923# If TARGET is a user-mode emulation target, also set build_static to 1924# "y" if static linking is possible. 1925# 1926probe_target_compiler() { 1927 # reset all output variables 1928 got_cross_cc=no 1929 container_image= 1930 container_hosts= 1931 container_cross_cc= 1932 container_cross_ar= 1933 container_cross_as= 1934 container_cross_ld= 1935 container_cross_nm= 1936 container_cross_objcopy= 1937 container_cross_ranlib= 1938 container_cross_strip= 1939 1940 # We shall skip configuring the target compiler if the user didn't 1941 # bother enabling an appropriate guest. This avoids building 1942 # extraneous firmware images and tests. 1943 if test "${target_list#*$1}" = "$1"; then 1944 return 1 1945 fi 1946 1947 target_arch=${1%%-*} 1948 case $target_arch in 1949 aarch64) container_hosts="x86_64 aarch64" ;; 1950 alpha) container_hosts=x86_64 ;; 1951 arm) container_hosts="x86_64 aarch64" ;; 1952 cris) container_hosts=x86_64 ;; 1953 hexagon) container_hosts=x86_64 ;; 1954 hppa) container_hosts=x86_64 ;; 1955 i386) container_hosts=x86_64 ;; 1956 loongarch64) container_hosts=x86_64 ;; 1957 m68k) container_hosts=x86_64 ;; 1958 microblaze) container_hosts=x86_64 ;; 1959 mips64el) container_hosts=x86_64 ;; 1960 mips64) container_hosts=x86_64 ;; 1961 mipsel) container_hosts=x86_64 ;; 1962 mips) container_hosts=x86_64 ;; 1963 nios2) container_hosts=x86_64 ;; 1964 ppc) container_hosts=x86_64 ;; 1965 ppc64|ppc64le) container_hosts=x86_64 ;; 1966 riscv64) container_hosts=x86_64 ;; 1967 s390x) container_hosts=x86_64 ;; 1968 sh4) container_hosts=x86_64 ;; 1969 sparc64) container_hosts=x86_64 ;; 1970 tricore) container_hosts=x86_64 ;; 1971 x86_64) container_hosts="aarch64 ppc64el x86_64" ;; 1972 xtensa*) container_hosts=x86_64 ;; 1973 esac 1974 1975 for host in $container_hosts; do 1976 test "$container" != no || continue 1977 test "$host" = "$cpu" || continue 1978 case $target_arch in 1979 aarch64) 1980 # We don't have any bigendian build tools so we only use this for AArch64 1981 container_image=debian-arm64-cross 1982 container_cross_prefix=aarch64-linux-gnu- 1983 container_cross_cc=${container_cross_prefix}gcc-10 1984 ;; 1985 alpha) 1986 container_image=debian-alpha-cross 1987 container_cross_prefix=alpha-linux-gnu- 1988 ;; 1989 arm) 1990 # We don't have any bigendian build tools so we only use this for ARM 1991 container_image=debian-armhf-cross 1992 container_cross_prefix=arm-linux-gnueabihf- 1993 ;; 1994 cris) 1995 container_image=fedora-cris-cross 1996 container_cross_prefix=cris-linux-gnu- 1997 ;; 1998 hexagon) 1999 container_image=debian-hexagon-cross 2000 container_cross_prefix=hexagon-unknown-linux-musl- 2001 container_cross_cc=${container_cross_prefix}clang 2002 ;; 2003 hppa) 2004 container_image=debian-hppa-cross 2005 container_cross_prefix=hppa-linux-gnu- 2006 ;; 2007 i386) 2008 container_image=fedora-i386-cross 2009 container_cross_prefix= 2010 ;; 2011 loongarch64) 2012 container_image=debian-loongarch-cross 2013 container_cross_prefix=loongarch64-unknown-linux-gnu- 2014 ;; 2015 m68k) 2016 container_image=debian-m68k-cross 2017 container_cross_prefix=m68k-linux-gnu- 2018 ;; 2019 microblaze) 2020 container_image=debian-microblaze-cross 2021 container_cross_prefix=microblaze-linux-musl- 2022 ;; 2023 mips64el) 2024 container_image=debian-mips64el-cross 2025 container_cross_prefix=mips64el-linux-gnuabi64- 2026 ;; 2027 mips64) 2028 container_image=debian-mips64-cross 2029 container_cross_prefix=mips64-linux-gnuabi64- 2030 ;; 2031 mipsel) 2032 container_image=debian-mipsel-cross 2033 container_cross_prefix=mipsel-linux-gnu- 2034 ;; 2035 mips) 2036 container_image=debian-mips-cross 2037 container_cross_prefix=mips-linux-gnu- 2038 ;; 2039 nios2) 2040 container_image=debian-nios2-cross 2041 container_cross_prefix=nios2-linux-gnu- 2042 ;; 2043 ppc) 2044 container_image=debian-powerpc-test-cross 2045 container_cross_prefix=powerpc-linux-gnu- 2046 container_cross_cc=${container_cross_prefix}gcc-10 2047 ;; 2048 ppc64|ppc64le) 2049 container_image=debian-powerpc-test-cross 2050 container_cross_prefix=powerpc${target_arch#ppc}-linux-gnu- 2051 container_cross_cc=${container_cross_prefix}gcc-10 2052 ;; 2053 riscv64) 2054 container_image=debian-riscv64-test-cross 2055 container_cross_prefix=riscv64-linux-gnu- 2056 ;; 2057 s390x) 2058 container_image=debian-s390x-cross 2059 container_cross_prefix=s390x-linux-gnu- 2060 ;; 2061 sh4) 2062 container_image=debian-sh4-cross 2063 container_cross_prefix=sh4-linux-gnu- 2064 ;; 2065 sparc64) 2066 container_image=debian-sparc64-cross 2067 container_cross_prefix=sparc64-linux-gnu- 2068 ;; 2069 tricore) 2070 container_image=debian-tricore-cross 2071 container_cross_prefix=tricore- 2072 container_cross_as=tricore-as 2073 container_cross_ld=tricore-ld 2074 break 2075 ;; 2076 x86_64) 2077 container_image=debian-amd64-cross 2078 container_cross_prefix=x86_64-linux-gnu- 2079 ;; 2080 xtensa*) 2081 container_hosts=x86_64 2082 container_image=debian-xtensa-cross 2083 2084 # default to the dc232b cpu 2085 container_cross_prefix=/opt/2020.07/xtensa-dc232b-elf/bin/xtensa-dc232b-elf- 2086 ;; 2087 esac 2088 : ${container_cross_cc:=${container_cross_prefix}gcc} 2089 : ${container_cross_ar:=${container_cross_prefix}ar} 2090 : ${container_cross_as:=${container_cross_prefix}as} 2091 : ${container_cross_ld:=${container_cross_prefix}ld} 2092 : ${container_cross_nm:=${container_cross_prefix}nm} 2093 : ${container_cross_objcopy:=${container_cross_prefix}objcopy} 2094 : ${container_cross_ranlib:=${container_cross_prefix}ranlib} 2095 : ${container_cross_strip:=${container_cross_prefix}strip} 2096 done 2097 2098 try=cross 2099 case "$target_arch:$cpu" in 2100 aarch64_be:aarch64 | \ 2101 armeb:arm | \ 2102 i386:x86_64 | \ 2103 mips*:mips64 | \ 2104 ppc*:ppc64 | \ 2105 sparc:sparc64 | \ 2106 "$cpu:$cpu") 2107 try='native cross' ;; 2108 esac 2109 eval "target_cflags=\${cross_cc_cflags_$target_arch}" 2110 for thistry in $try; do 2111 case $thistry in 2112 native) 2113 target_cc=$cc 2114 target_ccas=$ccas 2115 target_ar=$ar 2116 target_as=$as 2117 target_ld=$ld 2118 target_nm=$nm 2119 target_objcopy=$objcopy 2120 target_ranlib=$ranlib 2121 target_strip=$strip 2122 ;; 2123 cross) 2124 target_cc= 2125 if eval test -n "\"\${cross_cc_$target_arch}\""; then 2126 if eval has "\"\${cross_cc_$target_arch}\""; then 2127 eval "target_cc=\"\${cross_cc_$target_arch}\"" 2128 fi 2129 else 2130 compute_target_variable $target_arch target_cc gcc 2131 fi 2132 target_ccas=$target_cc 2133 compute_target_variable $target_arch target_ar ar 2134 compute_target_variable $target_arch target_as as 2135 compute_target_variable $target_arch target_ld ld 2136 compute_target_variable $target_arch target_nm nm 2137 compute_target_variable $target_arch target_objcopy objcopy 2138 compute_target_variable $target_arch target_ranlib ranlib 2139 compute_target_variable $target_arch target_strip strip 2140 ;; 2141 esac 2142 2143 if test -n "$target_cc"; then 2144 case $target_arch in 2145 i386|x86_64) 2146 if $target_cc --version | grep -qi "clang"; then 2147 continue 2148 fi 2149 ;; 2150 esac 2151 elif test -n "$target_as" && test -n "$target_ld"; then 2152 # Special handling for assembler only targets 2153 case $target in 2154 tricore-softmmu) 2155 build_static= 2156 got_cross_cc=yes 2157 break 2158 ;; 2159 *) 2160 continue 2161 ;; 2162 esac 2163 else 2164 continue 2165 fi 2166 2167 write_c_skeleton 2168 case $1 in 2169 *-softmmu) 2170 if do_compiler "$target_cc" $target_cflags -o $TMPO -c $TMPC && 2171 do_compiler "$target_cc" $target_cflags -r -nostdlib -o "${TMPDIR1}/${TMPB}2.o" "$TMPO" -lgcc; then 2172 got_cross_cc=yes 2173 break 2174 fi 2175 ;; 2176 *) 2177 if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC -static ; then 2178 build_static=y 2179 got_cross_cc=yes 2180 break 2181 fi 2182 if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC ; then 2183 build_static= 2184 got_cross_cc=yes 2185 break 2186 fi 2187 ;; 2188 esac 2189 done 2190 if test $got_cross_cc != yes; then 2191 build_static= 2192 target_cc= 2193 target_ccas= 2194 target_ar= 2195 target_as= 2196 target_ld= 2197 target_nm= 2198 target_objcopy= 2199 target_ranlib= 2200 target_strip= 2201 fi 2202 test -n "$target_cc" 2203} 2204 2205write_target_makefile() { 2206 echo "EXTRA_CFLAGS=$target_cflags" 2207 if test -z "$target_cc" && test -z "$target_as"; then 2208 test -z "$container_image" && error_exit "Internal error: could not find cross compiler for $1?" 2209 echo "$1: docker-image-$container_image" >> Makefile.prereqs 2210 if test -n "$container_cross_cc"; then 2211 echo "CC=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --" 2212 echo "CCAS=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --" 2213 fi 2214 echo "AR=$docker_py cc --cc $container_cross_ar -i qemu/$container_image -s $source_path --" 2215 echo "AS=$docker_py cc --cc $container_cross_as -i qemu/$container_image -s $source_path --" 2216 echo "LD=$docker_py cc --cc $container_cross_ld -i qemu/$container_image -s $source_path --" 2217 echo "NM=$docker_py cc --cc $container_cross_nm -i qemu/$container_image -s $source_path --" 2218 echo "OBJCOPY=$docker_py cc --cc $container_cross_objcopy -i qemu/$container_image -s $source_path --" 2219 echo "RANLIB=$docker_py cc --cc $container_cross_ranlib -i qemu/$container_image -s $source_path --" 2220 echo "STRIP=$docker_py cc --cc $container_cross_strip -i qemu/$container_image -s $source_path --" 2221 else 2222 if test -n "$target_cc"; then 2223 echo "CC=$target_cc" 2224 echo "CCAS=$target_ccas" 2225 fi 2226 if test -n "$target_ar"; then 2227 echo "AR=$target_ar" 2228 fi 2229 if test -n "$target_as"; then 2230 echo "AS=$target_as" 2231 fi 2232 if test -n "$target_ld"; then 2233 echo "LD=$target_ld" 2234 fi 2235 if test -n "$target_nm"; then 2236 echo "NM=$target_nm" 2237 fi 2238 if test -n "$target_objcopy"; then 2239 echo "OBJCOPY=$target_objcopy" 2240 fi 2241 if test -n "$target_ranlib"; then 2242 echo "RANLIB=$target_ranlib" 2243 fi 2244 if test -n "$target_strip"; then 2245 echo "STRIP=$target_strip" 2246 fi 2247 fi 2248} 2249 2250########################################## 2251# check for vfio_user_server 2252 2253case "$vfio_user_server" in 2254 enabled ) 2255 if test "$git_submodules_action" != "ignore"; then 2256 git_submodules="${git_submodules} subprojects/libvfio-user" 2257 fi 2258 ;; 2259esac 2260 2261########################################## 2262# End of CC checks 2263# After here, no more $cc or $ld runs 2264 2265write_c_skeleton 2266 2267if test "$fortify_source" = "yes" ; then 2268 QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS" 2269fi 2270 2271if test "$have_asan" = "yes"; then 2272 QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS" 2273 QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS" 2274 if test "$have_asan_iface_h" = "no" ; then 2275 echo "ASAN build enabled, but ASAN header missing." \ 2276 "Without code annotation, the report may be inferior." 2277 elif test "$have_asan_iface_fiber" = "no" ; then 2278 echo "ASAN build enabled, but ASAN header is too old." \ 2279 "Without code annotation, the report may be inferior." 2280 fi 2281fi 2282if test "$have_tsan" = "yes" ; then 2283 if test "$have_tsan_iface_fiber" = "yes" ; then 2284 QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS" 2285 QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS" 2286 else 2287 error_exit "Cannot enable TSAN due to missing fiber annotation interface." 2288 fi 2289elif test "$tsan" = "yes" ; then 2290 error_exit "Cannot enable TSAN due to missing sanitize thread interface." 2291fi 2292if test "$have_ubsan" = "yes"; then 2293 QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS" 2294 QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS" 2295fi 2296 2297####################################### 2298# cross-compiled firmware targets 2299 2300# Set up build tree symlinks that point back into the source tree 2301# (these can be both files and directories). 2302# Caution: avoid adding files or directories here using wildcards. This 2303# will result in problems later if a new file matching the wildcard is 2304# added to the source tree -- nothing will cause configure to be rerun 2305# so the build tree will be missing the link back to the new file, and 2306# tests might fail. Prefer to keep the relevant files in their own 2307# directory and symlink the directory instead. 2308LINKS="Makefile" 2309LINKS="$LINKS docs/config" 2310LINKS="$LINKS pc-bios/optionrom/Makefile" 2311LINKS="$LINKS pc-bios/s390-ccw/Makefile" 2312LINKS="$LINKS pc-bios/vof/Makefile" 2313LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit 2314LINKS="$LINKS tests/avocado tests/data" 2315LINKS="$LINKS tests/qemu-iotests/check" 2316LINKS="$LINKS python" 2317LINKS="$LINKS contrib/plugins/Makefile " 2318for f in $LINKS ; do 2319 if [ -e "$source_path/$f" ]; then 2320 mkdir -p "$(dirname ./"$f")" 2321 symlink "$source_path/$f" "$f" 2322 fi 2323done 2324 2325echo "# Automatically generated by configure - do not modify" > Makefile.prereqs 2326 2327# Mac OS X ships with a broken assembler 2328roms= 2329if have_target i386-softmmu x86_64-softmmu && \ 2330 test "$targetos" != "darwin" && test "$targetos" != "sunos" && \ 2331 test "$targetos" != "haiku" && \ 2332 probe_target_compiler i386-softmmu; then 2333 roms="pc-bios/optionrom" 2334 config_mak=pc-bios/optionrom/config.mak 2335 echo "# Automatically generated by configure - do not modify" > $config_mak 2336 echo "TOPSRC_DIR=$source_path" >> $config_mak 2337 write_target_makefile >> $config_mak 2338fi 2339 2340if have_target ppc-softmmu ppc64-softmmu && \ 2341 probe_target_compiler ppc-softmmu; then 2342 roms="$roms pc-bios/vof" 2343 config_mak=pc-bios/vof/config.mak 2344 echo "# Automatically generated by configure - do not modify" > $config_mak 2345 echo "SRC_DIR=$source_path/pc-bios/vof" >> $config_mak 2346 write_target_makefile >> $config_mak 2347fi 2348 2349# Only build s390-ccw bios if the compiler has -march=z900 or -march=z10 2350# (which is the lowest architecture level that Clang supports) 2351if have_target s390x-softmmu && probe_target_compiler s390x-softmmu; then 2352 write_c_skeleton 2353 do_compiler "$target_cc" $target_cc_cflags -march=z900 -o $TMPO -c $TMPC 2354 has_z900=$? 2355 if [ $has_z900 = 0 ] || do_compiler "$target_cc" $target_cc_cflags -march=z10 -msoft-float -Werror -o $TMPO -c $TMPC; then 2356 if [ $has_z900 != 0 ]; then 2357 echo "WARNING: Your compiler does not support the z900!" 2358 echo " The s390-ccw bios will only work with guest CPUs >= z10." 2359 fi 2360 roms="$roms pc-bios/s390-ccw" 2361 config_mak=pc-bios/s390-ccw/config-host.mak 2362 echo "# Automatically generated by configure - do not modify" > $config_mak 2363 echo "SRC_PATH=$source_path/pc-bios/s390-ccw" >> $config_mak 2364 write_target_makefile >> $config_mak 2365 # SLOF is required for building the s390-ccw firmware on s390x, 2366 # since it is using the libnet code from SLOF for network booting. 2367 git_submodules="${git_submodules} roms/SLOF" 2368 fi 2369fi 2370 2371####################################### 2372# generate config-host.mak 2373 2374if ! (GIT="$git" "$source_path/scripts/git-submodule.sh" "$git_submodules_action" "$git_submodules"); then 2375 exit 1 2376fi 2377 2378config_host_mak="config-host.mak" 2379 2380echo "# Automatically generated by configure - do not modify" > $config_host_mak 2381echo >> $config_host_mak 2382 2383echo all: >> $config_host_mak 2384echo "GIT=$git" >> $config_host_mak 2385echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak 2386echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_host_mak 2387 2388if test "$debug_tcg" = "yes" ; then 2389 echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak 2390fi 2391if test "$mingw32" = "yes" ; then 2392 echo "CONFIG_WIN32=y" >> $config_host_mak 2393 echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER-QEMU}" >> $config_host_mak 2394 echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO-Linux}" >> $config_host_mak 2395 echo "QEMU_GA_VERSION=${QEMU_GA_VERSION-$(cat "$source_path"/VERSION)}" >> $config_host_mak 2396else 2397 echo "CONFIG_POSIX=y" >> $config_host_mak 2398fi 2399 2400if test "$linux" = "yes" ; then 2401 echo "CONFIG_LINUX=y" >> $config_host_mak 2402fi 2403 2404if test "$darwin" = "yes" ; then 2405 echo "CONFIG_DARWIN=y" >> $config_host_mak 2406fi 2407 2408if test "$solaris" = "yes" ; then 2409 echo "CONFIG_SOLARIS=y" >> $config_host_mak 2410fi 2411if test "$static" = "yes" ; then 2412 echo "CONFIG_STATIC=y" >> $config_host_mak 2413fi 2414echo "SRC_PATH=$source_path" >> $config_host_mak 2415echo "TARGET_DIRS=$target_list" >> $config_host_mak 2416if test "$modules" = "yes"; then 2417 echo "CONFIG_MODULES=y" >> $config_host_mak 2418fi 2419 2420# XXX: suppress that 2421if [ "$bsd" = "yes" ] ; then 2422 echo "CONFIG_BSD=y" >> $config_host_mak 2423fi 2424 2425echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak 2426 2427if test "$have_asan_iface_fiber" = "yes" ; then 2428 echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak 2429fi 2430 2431if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then 2432 echo "CONFIG_TSAN=y" >> $config_host_mak 2433fi 2434 2435if test "$plugins" = "yes" ; then 2436 echo "CONFIG_PLUGIN=y" >> $config_host_mak 2437fi 2438 2439if test -n "$gdb_bin"; then 2440 gdb_version=$($gdb_bin --version | head -n 1) 2441 if version_ge ${gdb_version##* } 9.1; then 2442 echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak 2443 gdb_arches=$("$source_path/scripts/probe-gdb-support.py" $gdb_bin) 2444 else 2445 gdb_bin="" 2446 fi 2447fi 2448 2449if test "$container" != no; then 2450 echo "ENGINE=$container" >> $config_host_mak 2451 echo "RUNC=$runc" >> $config_host_mak 2452fi 2453echo "ROMS=$roms" >> $config_host_mak 2454echo "MAKE=$make" >> $config_host_mak 2455echo "PYTHON=$python" >> $config_host_mak 2456echo "GENISOIMAGE=$genisoimage" >> $config_host_mak 2457echo "MESON=$meson" >> $config_host_mak 2458echo "NINJA=$ninja" >> $config_host_mak 2459echo "CC=$cc" >> $config_host_mak 2460echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak 2461echo "QEMU_OBJCFLAGS=$QEMU_OBJCFLAGS" >> $config_host_mak 2462echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak 2463echo "GLIB_LIBS=$glib_libs" >> $config_host_mak 2464echo "GLIB_BINDIR=$glib_bindir" >> $config_host_mak 2465echo "GLIB_VERSION=$($pkg_config --modversion glib-2.0)" >> $config_host_mak 2466if test "$glib_has_gslice" = "yes" ; then 2467 echo "HAVE_GLIB_WITH_SLICE_ALLOCATOR=y" >> $config_host_mak 2468fi 2469echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak 2470echo "EXESUF=$EXESUF" >> $config_host_mak 2471 2472# use included Linux headers 2473if test "$linux" = "yes" ; then 2474 mkdir -p linux-headers 2475 case "$cpu" in 2476 i386|x86_64) 2477 linux_arch=x86 2478 ;; 2479 ppc|ppc64) 2480 linux_arch=powerpc 2481 ;; 2482 s390x) 2483 linux_arch=s390 2484 ;; 2485 aarch64) 2486 linux_arch=arm64 2487 ;; 2488 loongarch*) 2489 linux_arch=loongarch 2490 ;; 2491 mips64) 2492 linux_arch=mips 2493 ;; 2494 *) 2495 # For most CPUs the kernel architecture name and QEMU CPU name match. 2496 linux_arch="$cpu" 2497 ;; 2498 esac 2499 # For non-KVM architectures we will not have asm headers 2500 if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then 2501 symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm 2502 fi 2503fi 2504 2505for target in $target_list; do 2506 target_dir="$target" 2507 target_name=$(echo $target | cut -d '-' -f 1)$EXESUF 2508 mkdir -p "$target_dir" 2509 case $target in 2510 *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;; 2511 *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;; 2512 esac 2513done 2514 2515if test "$default_targets" = "yes"; then 2516 echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak 2517fi 2518 2519if test "$ccache_cpp2" = "yes"; then 2520 echo "export CCACHE_CPP2=y" >> $config_host_mak 2521fi 2522 2523if test "$safe_stack" = "yes"; then 2524 echo "CONFIG_SAFESTACK=y" >> $config_host_mak 2525fi 2526 2527# tests/tcg configuration 2528(config_host_mak=tests/tcg/config-host.mak 2529mkdir -p tests/tcg 2530echo "# Automatically generated by configure - do not modify" > $config_host_mak 2531echo "SRC_PATH=$source_path" >> $config_host_mak 2532echo "HOST_CC=$host_cc" >> $config_host_mak 2533 2534# versioned checked in the main config_host.mak above 2535if test -n "$gdb_bin"; then 2536 echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak 2537fi 2538if test "$plugins" = "yes" ; then 2539 echo "CONFIG_PLUGIN=y" >> $config_host_mak 2540fi 2541 2542tcg_tests_targets= 2543for target in $target_list; do 2544 arch=${target%%-*} 2545 2546 case $target in 2547 xtensa*-linux-user) 2548 # the toolchain is not complete with headers, only build softmmu tests 2549 continue 2550 ;; 2551 *-softmmu) 2552 test -f "$source_path/tests/tcg/$arch/Makefile.softmmu-target" || continue 2553 qemu="qemu-system-$arch" 2554 ;; 2555 *-linux-user|*-bsd-user) 2556 qemu="qemu-$arch" 2557 ;; 2558 esac 2559 2560 if probe_target_compiler $target || test -n "$container_image"; then 2561 test -n "$container_image" && build_static=y 2562 mkdir -p "tests/tcg/$target" 2563 config_target_mak=tests/tcg/$target/config-target.mak 2564 ln -sf "$source_path/tests/tcg/Makefile.target" "tests/tcg/$target/Makefile" 2565 echo "# Automatically generated by configure - do not modify" > "$config_target_mak" 2566 echo "TARGET_NAME=$arch" >> "$config_target_mak" 2567 echo "TARGET=$target" >> "$config_target_mak" 2568 write_target_makefile "build-tcg-tests-$target" >> "$config_target_mak" 2569 echo "BUILD_STATIC=$build_static" >> "$config_target_mak" 2570 echo "QEMU=$PWD/$qemu" >> "$config_target_mak" 2571 2572 # will GDB work with these binaries? 2573 if test "${gdb_arches#*$arch}" != "$gdb_arches"; then 2574 echo "HOST_GDB_SUPPORTS_ARCH=y" >> "$config_target_mak" 2575 fi 2576 2577 echo "run-tcg-tests-$target: $qemu\$(EXESUF)" >> Makefile.prereqs 2578 tcg_tests_targets="$tcg_tests_targets $target" 2579 fi 2580done 2581 2582if test "$tcg" = "enabled"; then 2583 echo "TCG_TESTS_TARGETS=$tcg_tests_targets" >> config-host.mak 2584fi 2585) 2586 2587if test "$skip_meson" = no; then 2588 cross="config-meson.cross.new" 2589 meson_quote() { 2590 test $# = 0 && return 2591 echo "'$(echo $* | sed "s/ /','/g")'" 2592 } 2593 2594 echo "# Automatically generated by configure - do not modify" > $cross 2595 echo "[properties]" >> $cross 2596 2597 # unroll any custom device configs 2598 for a in $device_archs; do 2599 eval "c=\$devices_${a}" 2600 echo "${a}-softmmu = '$c'" >> $cross 2601 done 2602 2603 echo "[built-in options]" >> $cross 2604 echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross 2605 echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross 2606 test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross 2607 echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross 2608 echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross 2609 echo "[binaries]" >> $cross 2610 echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross 2611 test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross 2612 test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross 2613 echo "ar = [$(meson_quote $ar)]" >> $cross 2614 echo "nm = [$(meson_quote $nm)]" >> $cross 2615 echo "pkgconfig = [$(meson_quote $pkg_config_exe)]" >> $cross 2616 echo "ranlib = [$(meson_quote $ranlib)]" >> $cross 2617 if has $sdl2_config; then 2618 echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross 2619 fi 2620 echo "strip = [$(meson_quote $strip)]" >> $cross 2621 echo "widl = [$(meson_quote $widl)]" >> $cross 2622 echo "windres = [$(meson_quote $windres)]" >> $cross 2623 echo "windmc = [$(meson_quote $windmc)]" >> $cross 2624 if test "$cross_compile" = "yes"; then 2625 cross_arg="--cross-file config-meson.cross" 2626 echo "[host_machine]" >> $cross 2627 echo "system = '$targetos'" >> $cross 2628 case "$cpu" in 2629 i386) 2630 echo "cpu_family = 'x86'" >> $cross 2631 ;; 2632 *) 2633 echo "cpu_family = '$cpu'" >> $cross 2634 ;; 2635 esac 2636 echo "cpu = '$cpu'" >> $cross 2637 if test "$bigendian" = "yes" ; then 2638 echo "endian = 'big'" >> $cross 2639 else 2640 echo "endian = 'little'" >> $cross 2641 fi 2642 else 2643 cross_arg="--native-file config-meson.cross" 2644 fi 2645 mv $cross config-meson.cross 2646 2647 rm -rf meson-private meson-info meson-logs 2648 2649 # Prevent meson from automatically downloading wrapped subprojects when missing. 2650 # You can use 'meson subprojects download' before running configure. 2651 meson_option_add "--wrap-mode=nodownload" 2652 2653 # Built-in options 2654 test "$bindir" != "bin" && meson_option_add "-Dbindir=$bindir" 2655 test "$default_feature" = no && meson_option_add -Dauto_features=disabled 2656 test "$pie" = no && meson_option_add -Db_pie=false 2657 test "$werror" = yes && meson_option_add -Dwerror=true 2658 2659 # QEMU options 2660 test "$cfi" != false && meson_option_add "-Dcfi=$cfi" 2661 test "$fdt" != auto && meson_option_add "-Dfdt=$fdt" 2662 test -n "${LIB_FUZZING_ENGINE+xxx}" && meson_option_add "-Dfuzzing_engine=$LIB_FUZZING_ENGINE" 2663 test "$qemu_suffix" != qemu && meson_option_add "-Dqemu_suffix=$qemu_suffix" 2664 test "$smbd" != '' && meson_option_add "-Dsmbd=$smbd" 2665 test "$tcg" != enabled && meson_option_add "-Dtcg=$tcg" 2666 test "$vfio_user_server" != auto && meson_option_add "-Dvfio_user_server=$vfio_user_server" 2667 run_meson() { 2668 NINJA=$ninja $meson setup --prefix "$prefix" "$@" $cross_arg "$PWD" "$source_path" 2669 } 2670 eval run_meson $meson_options 2671 if test "$?" -ne 0 ; then 2672 error_exit "meson setup failed" 2673 fi 2674fi 2675 2676# Save the configure command line for later reuse. 2677cat <<EOD >config.status 2678#!/bin/sh 2679# Generated by configure. 2680# Run this file to recreate the current configuration. 2681# Compiler output produced by configure, useful for debugging 2682# configure, is in config.log if it exists. 2683EOD 2684 2685preserve_env() { 2686 envname=$1 2687 2688 eval envval=\$$envname 2689 2690 if test -n "$envval" 2691 then 2692 echo "$envname='$envval'" >> config.status 2693 echo "export $envname" >> config.status 2694 else 2695 echo "unset $envname" >> config.status 2696 fi 2697} 2698 2699# Preserve various env variables that influence what 2700# features/build target configure will detect 2701preserve_env AR 2702preserve_env AS 2703preserve_env CC 2704preserve_env CFLAGS 2705preserve_env CXX 2706preserve_env CXXFLAGS 2707preserve_env LD 2708preserve_env LDFLAGS 2709preserve_env LD_LIBRARY_PATH 2710preserve_env MAKE 2711preserve_env NM 2712preserve_env OBJCFLAGS 2713preserve_env OBJCOPY 2714preserve_env PATH 2715preserve_env PKG_CONFIG 2716preserve_env PKG_CONFIG_LIBDIR 2717preserve_env PKG_CONFIG_PATH 2718preserve_env PYTHON 2719preserve_env QEMU_GA_MANUFACTURER 2720preserve_env QEMU_GA_DISTRO 2721preserve_env QEMU_GA_VERSION 2722preserve_env SDL2_CONFIG 2723preserve_env SMBD 2724preserve_env STRIP 2725preserve_env WIDL 2726preserve_env WINDRES 2727preserve_env WINDMC 2728 2729printf "exec" >>config.status 2730for i in "$0" "$@"; do 2731 test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status 2732done 2733echo ' "$@"' >>config.status 2734chmod +x config.status 2735 2736rm -r "$TMPDIR1" 2737