1#!/bin/sh 2# 3# qemu configure script (c) 2003 Fabrice Bellard 4# 5 6# Unset some variables known to interfere with behavior of common tools, 7# just as autoconf does. 8CLICOLOR_FORCE= GREP_OPTIONS= 9unset CLICOLOR_FORCE GREP_OPTIONS 10 11# Don't allow CCACHE, if present, to use cached results of compile tests! 12export CCACHE_RECACHE=yes 13 14# make source path absolute 15source_path=$(cd "$(dirname -- "$0")"; pwd) 16 17if test "$PWD" = "$source_path" 18then 19 echo "Using './build' as the directory for build output" 20 21 MARKER=build/auto-created-by-configure 22 23 if test -e build 24 then 25 if test -f $MARKER 26 then 27 rm -rf build 28 else 29 echo "ERROR: ./build dir already exists and was not previously created by configure" 30 exit 1 31 fi 32 fi 33 34 mkdir build 35 touch $MARKER 36 37 cat > GNUmakefile <<'EOF' 38# This file is auto-generated by configure to support in-source tree 39# 'make' command invocation 40 41ifeq ($(MAKECMDGOALS),) 42recurse: all 43endif 44 45.NOTPARALLEL: % 46%: force 47 @echo 'changing dir to build for $(MAKE) "$(MAKECMDGOALS)"...' 48 @$(MAKE) -C build -f Makefile $(MAKECMDGOALS) 49 @if test "$(MAKECMDGOALS)" = "distclean" && \ 50 test -e build/auto-created-by-configure ; \ 51 then \ 52 rm -rf build GNUmakefile ; \ 53 fi 54force: ; 55.PHONY: force 56GNUmakefile: ; 57 58EOF 59 cd build 60 exec "$source_path/configure" "$@" 61fi 62 63# Temporary directory used for files created while 64# configure runs. Since it is in the build directory 65# we can safely blow away any previous version of it 66# (and we need not jump through hoops to try to delete 67# it when configure exits.) 68TMPDIR1="config-temp" 69rm -rf "${TMPDIR1}" 70if ! mkdir -p "${TMPDIR1}"; then 71 echo "ERROR: failed to create temporary directory" 72 exit 1 73fi 74 75TMPB="qemu-conf" 76TMPC="${TMPDIR1}/${TMPB}.c" 77TMPO="${TMPDIR1}/${TMPB}.o" 78TMPM="${TMPDIR1}/${TMPB}.m" 79TMPE="${TMPDIR1}/${TMPB}.exe" 80 81rm -f config.log 82 83# Print a helpful header at the top of config.log 84echo "# QEMU configure log $(date)" >> config.log 85printf "# Configured with:" >> config.log 86# repeat the invocation to log and stdout for CI 87invoke=$(printf " '%s'" "$0" "$@") 88test -n "$GITLAB_CI" && echo "configuring with: $invoke" 89{ echo "$invoke"; echo; echo "#"; } >> config.log 90 91quote_sh() { 92 printf "%s" "$1" | sed "s,','\\\\'',g; s,.*,'&'," 93} 94 95print_error() { 96 (echo 97 echo "ERROR: $1" 98 while test -n "$2"; do 99 echo " $2" 100 shift 101 done 102 echo) >&2 103} 104 105error_exit() { 106 print_error "$@" 107 exit 1 108} 109 110do_compiler() { 111 # Run the compiler, capturing its output to the log. First argument 112 # is compiler binary to execute. 113 compiler="$1" 114 shift 115 if test -n "$BASH_VERSION"; then eval ' 116 echo >>config.log " 117funcs: ${FUNCNAME[*]} 118lines: ${BASH_LINENO[*]}" 119 '; fi 120 echo $compiler "$@" >> config.log 121 $compiler "$@" >> config.log 2>&1 || return $? 122} 123 124do_compiler_werror() { 125 # Run the compiler, capturing its output to the log. First argument 126 # is compiler binary to execute. 127 compiler="$1" 128 shift 129 if test -n "$BASH_VERSION"; then eval ' 130 echo >>config.log " 131funcs: ${FUNCNAME[*]} 132lines: ${BASH_LINENO[*]}" 133 '; fi 134 echo $compiler "$@" >> config.log 135 $compiler "$@" >> config.log 2>&1 || return $? 136 # Test passed. If this is an --enable-werror build, rerun 137 # the test with -Werror and bail out if it fails. This 138 # makes warning-generating-errors in configure test code 139 # obvious to developers. 140 if test "$werror" != "yes"; then 141 return 0 142 fi 143 # Don't bother rerunning the compile if we were already using -Werror 144 case "$*" in 145 *-Werror*) 146 return 0 147 ;; 148 esac 149 echo $compiler -Werror "$@" >> config.log 150 $compiler -Werror "$@" >> config.log 2>&1 && return $? 151 error_exit "configure test passed without -Werror but failed with -Werror." \ 152 "This is probably a bug in the configure script. The failing command" \ 153 "will be at the bottom of config.log." \ 154 "You can run configure with --disable-werror to bypass this check." 155} 156 157do_cc() { 158 do_compiler_werror "$cc" $CPU_CFLAGS "$@" 159} 160 161do_objc() { 162 do_compiler_werror "$objcc" $CPU_CFLAGS "$@" 163} 164 165# Append $2 to the variable named $1, with space separation 166add_to() { 167 eval $1=\${$1:+\"\$$1 \"}\$2 168} 169 170compile_object() { 171 local_cflags="$1" 172 do_cc $CFLAGS $EXTRA_CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC 173} 174 175compile_prog() { 176 local_cflags="$1" 177 local_ldflags="$2" 178 do_cc $CFLAGS $EXTRA_CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC \ 179 $LDFLAGS $EXTRA_LDFLAGS $CONFIGURE_LDFLAGS $QEMU_LDFLAGS $local_ldflags 180} 181 182# symbolically link $1 to $2. Portable version of "ln -sf". 183symlink() { 184 rm -rf "$2" 185 mkdir -p "$(dirname "$2")" 186 ln -s "$1" "$2" 187} 188 189# check whether a command is available to this shell (may be either an 190# executable or a builtin) 191has() { 192 type "$1" >/dev/null 2>&1 193} 194 195version_ge () { 196 local_ver1=$(expr "$1" : '\([0-9.]*\)' | tr . ' ') 197 local_ver2=$(echo "$2" | tr . ' ') 198 while true; do 199 set x $local_ver1 200 local_first=${2-0} 201 # 'shift 2' if $2 is set, or 'shift' if $2 is not set 202 shift ${2:+2} 203 local_ver1=$* 204 set x $local_ver2 205 # the second argument finished, the first must be greater or equal 206 test $# = 1 && return 0 207 test $local_first -lt $2 && return 1 208 test $local_first -gt $2 && return 0 209 shift ${2:+2} 210 local_ver2=$* 211 done 212} 213 214glob() { 215 eval test -z '"${1#'"$2"'}"' 216} 217 218if printf %s\\n "$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") 233 234if test -e "$source_path/.git" 235then 236 git_submodules_action="update" 237else 238 git_submodules_action="ignore" 239fi 240 241git_submodules="ui/keycodemapdb" 242git="git" 243 244# Don't accept a target_list environment variable. 245unset target_list 246unset target_list_exclude 247 248# Default value for a variable defining feature "foo". 249# * foo="no" feature will only be used if --enable-foo arg is given 250# * foo="" feature will be searched for, and if found, will be used 251# unless --disable-foo is given 252# * foo="yes" this value will only be set by --enable-foo flag. 253# feature will searched for, 254# if not found, configure exits with error 255# 256# Always add --enable-foo and --disable-foo command line args. 257# Distributions want to ensure that several features are compiled in, and it 258# is impossible without a --enable-foo that exits if a feature is not found. 259 260default_feature="" 261# parse CC options second 262for opt do 263 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 264 case "$opt" in 265 --without-default-features) 266 default_feature="no" 267 ;; 268 esac 269done 270 271EXTRA_CFLAGS="" 272EXTRA_CXXFLAGS="" 273EXTRA_OBJCFLAGS="" 274EXTRA_LDFLAGS="" 275 276debug_tcg="no" 277sanitizers="no" 278tsan="no" 279fortify_source="yes" 280EXESUF="" 281modules="no" 282prefix="/usr/local" 283qemu_suffix="qemu" 284softmmu="yes" 285linux_user="" 286bsd_user="" 287pie="" 288coroutine="" 289plugins="$default_feature" 290meson="" 291ninja="" 292bindir="bin" 293skip_meson=no 294vfio_user_server="disabled" 295 296# The following Meson options are handled manually (still they 297# are included in the automatically generated help message) 298 299# 1. Track which submodules are needed 300fdt="auto" 301 302# 2. Automatically enable/disable other options 303tcg="auto" 304cfi="false" 305 306# parse CC options second 307for opt do 308 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 309 case "$opt" in 310 --cross-prefix=*) cross_prefix="$optarg" 311 cross_compile="yes" 312 ;; 313 --cc=*) CC="$optarg" 314 ;; 315 --cxx=*) CXX="$optarg" 316 ;; 317 --cpu=*) cpu="$optarg" 318 ;; 319 --extra-cflags=*) 320 EXTRA_CFLAGS="$EXTRA_CFLAGS $optarg" 321 EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg" 322 EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg" 323 ;; 324 --extra-cxxflags=*) EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg" 325 ;; 326 --extra-objcflags=*) EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg" 327 ;; 328 --extra-ldflags=*) EXTRA_LDFLAGS="$EXTRA_LDFLAGS $optarg" 329 ;; 330 --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option" 331 ;; 332 --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-cflags-}; cc_arch=${cc_arch%%=*} 333 eval "cross_cc_cflags_${cc_arch}=\$optarg" 334 ;; 335 --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*} 336 eval "cross_cc_${cc_arch}=\$optarg" 337 ;; 338 --cross-prefix-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-prefix-FOO option" 339 ;; 340 --cross-prefix-*) cc_arch=${opt#--cross-prefix-}; cc_arch=${cc_arch%%=*} 341 eval "cross_prefix_${cc_arch}=\$optarg" 342 ;; 343 esac 344done 345# OS specific 346# Using uname is really, really broken. Once we have the right set of checks 347# we can eliminate its usage altogether. 348 349# Preferred compiler: 350# ${CC} (if set) 351# ${cross_prefix}gcc (if cross-prefix specified) 352# system compiler 353if test -z "${CC}${cross_prefix}"; then 354 cc="$host_cc" 355else 356 cc="${CC-${cross_prefix}gcc}" 357fi 358 359if test -z "${CXX}${cross_prefix}"; then 360 cxx="c++" 361else 362 cxx="${CXX-${cross_prefix}g++}" 363fi 364 365ar="${AR-${cross_prefix}ar}" 366as="${AS-${cross_prefix}as}" 367ccas="${CCAS-$cc}" 368objcopy="${OBJCOPY-${cross_prefix}objcopy}" 369ld="${LD-${cross_prefix}ld}" 370ranlib="${RANLIB-${cross_prefix}ranlib}" 371nm="${NM-${cross_prefix}nm}" 372smbd="$SMBD" 373strip="${STRIP-${cross_prefix}strip}" 374widl="${WIDL-${cross_prefix}widl}" 375windres="${WINDRES-${cross_prefix}windres}" 376windmc="${WINDMC-${cross_prefix}windmc}" 377pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}" 378query_pkg_config() { 379 "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@" 380} 381pkg_config=query_pkg_config 382sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}" 383 384# default flags for all hosts 385# We use -fwrapv to tell the compiler that we require a C dialect where 386# left shift of signed integers is well defined and has the expected 387# 2s-complement style results. (Both clang and gcc agree that it 388# provides these semantics.) 389QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv" 390QEMU_CFLAGS="-Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS" 391QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS" 392QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS" 393 394QEMU_LDFLAGS= 395 396# Flags that are needed during configure but later taken care of by Meson 397CONFIGURE_CFLAGS="-std=gnu11 -Wall" 398CONFIGURE_LDFLAGS= 399 400 401check_define() { 402cat > $TMPC <<EOF 403#if !defined($1) 404#error $1 not defined 405#endif 406int main(void) { return 0; } 407EOF 408 compile_object 409} 410 411check_include() { 412cat > $TMPC <<EOF 413#include <$1> 414int main(void) { return 0; } 415EOF 416 compile_object 417} 418 419write_c_skeleton() { 420 cat > $TMPC <<EOF 421int main(void) { return 0; } 422EOF 423} 424 425if check_define __linux__ ; then 426 targetos=linux 427elif check_define _WIN32 ; then 428 targetos=windows 429elif check_define __OpenBSD__ ; then 430 targetos=openbsd 431elif check_define __sun__ ; then 432 targetos=sunos 433elif check_define __HAIKU__ ; then 434 targetos=haiku 435elif check_define __FreeBSD__ ; then 436 targetos=freebsd 437elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then 438 targetos=gnu/kfreebsd 439elif check_define __DragonFly__ ; then 440 targetos=dragonfly 441elif check_define __NetBSD__; then 442 targetos=netbsd 443elif check_define __APPLE__; then 444 targetos=darwin 445else 446 # This is a fatal error, but don't report it yet, because we 447 # might be going to just print the --help text, or it might 448 # be the result of a missing compiler. 449 targetos=bogus 450fi 451 452# OS specific 453 454mingw32="no" 455bsd="no" 456linux="no" 457solaris="no" 458case $targetos in 459windows) 460 mingw32="yes" 461 plugins="no" 462 pie="no" 463;; 464gnu/kfreebsd) 465 bsd="yes" 466;; 467freebsd) 468 bsd="yes" 469 make="${MAKE-gmake}" 470 # needed for kinfo_getvmmap(3) in libutil.h 471;; 472dragonfly) 473 bsd="yes" 474 make="${MAKE-gmake}" 475;; 476netbsd) 477 bsd="yes" 478 make="${MAKE-gmake}" 479;; 480openbsd) 481 bsd="yes" 482 make="${MAKE-gmake}" 483;; 484darwin) 485 bsd="yes" 486 darwin="yes" 487 # Disable attempts to use ObjectiveC features in os/object.h since they 488 # won't work when we're compiling with gcc as a C compiler. 489 QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS" 490;; 491sunos) 492 solaris="yes" 493 make="${MAKE-gmake}" 494# needed for CMSG_ macros in sys/socket.h 495 QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS" 496# needed for TIOCWIN* defines in termios.h 497 QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS" 498 # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo 499 # Note that this check is broken for cross-compilation: if you're 500 # cross-compiling to one of these OSes then you'll need to specify 501 # the correct CPU with the --cpu option. 502 if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then 503 cpu="x86_64" 504 fi 505;; 506haiku) 507 pie="no" 508 QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -D_BSD_SOURCE -fPIC $QEMU_CFLAGS" 509;; 510linux) 511 linux="yes" 512;; 513esac 514 515if test ! -z "$cpu" ; then 516 # command line argument 517 : 518elif check_define __i386__ ; then 519 cpu="i386" 520elif check_define __x86_64__ ; then 521 if check_define __ILP32__ ; then 522 cpu="x32" 523 else 524 cpu="x86_64" 525 fi 526elif check_define __sparc__ ; then 527 if check_define __arch64__ ; then 528 cpu="sparc64" 529 else 530 cpu="sparc" 531 fi 532elif check_define _ARCH_PPC ; then 533 if check_define _ARCH_PPC64 ; then 534 if check_define _LITTLE_ENDIAN ; then 535 cpu="ppc64le" 536 else 537 cpu="ppc64" 538 fi 539 else 540 cpu="ppc" 541 fi 542elif check_define __mips__ ; then 543 cpu="mips" 544elif check_define __s390__ ; then 545 if check_define __s390x__ ; then 546 cpu="s390x" 547 else 548 cpu="s390" 549 fi 550elif check_define __riscv ; then 551 cpu="riscv" 552elif check_define __arm__ ; then 553 cpu="arm" 554elif check_define __aarch64__ ; then 555 cpu="aarch64" 556elif check_define __loongarch64 ; then 557 cpu="loongarch64" 558else 559 cpu=$(uname -m) 560fi 561 562# Normalise host CPU name, set multilib cflags 563# Note that this case should only have supported host CPUs, not guests. 564case "$cpu" in 565 armv*b|armv*l|arm) 566 cpu="arm" ;; 567 568 i386|i486|i586|i686|i86pc|BePC) 569 cpu="i386" 570 CPU_CFLAGS="-m32" ;; 571 x32) 572 cpu="x86_64" 573 CPU_CFLAGS="-mx32" ;; 574 x86_64|amd64) 575 cpu="x86_64" 576 # ??? Only extremely old AMD cpus do not have cmpxchg16b. 577 # If we truly care, we should simply detect this case at 578 # runtime and generate the fallback to serial emulation. 579 CPU_CFLAGS="-m64 -mcx16" ;; 580 581 mips*) 582 cpu="mips" ;; 583 584 ppc) 585 CPU_CFLAGS="-m32" ;; 586 ppc64) 587 CPU_CFLAGS="-m64 -mbig-endian" ;; 588 ppc64le) 589 cpu="ppc64" 590 CPU_CFLAGS="-m64 -mlittle-endian" ;; 591 592 s390) 593 CPU_CFLAGS="-m31" ;; 594 s390x) 595 CPU_CFLAGS="-m64" ;; 596 597 sparc|sun4[cdmuv]) 598 cpu="sparc" 599 CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc" ;; 600 sparc64) 601 CPU_CFLAGS="-m64 -mcpu=ultrasparc" ;; 602esac 603 604: ${make=${MAKE-make}} 605 606# We prefer python 3.x. A bare 'python' is traditionally 607# python 2.x, but some distros have it as python 3.x, so 608# we check that too 609python= 610explicit_python=no 611for binary in "${PYTHON-python3}" python 612do 613 if has "$binary" 614 then 615 python=$(command -v "$binary") 616 break 617 fi 618done 619 620 621# Check for ancillary tools used in testing 622genisoimage= 623for binary in genisoimage mkisofs 624do 625 if has $binary 626 then 627 genisoimage=$(command -v "$binary") 628 break 629 fi 630done 631 632# Default objcc to clang if available, otherwise use CC 633if has clang; then 634 objcc=clang 635else 636 objcc="$cc" 637fi 638 639if test "$mingw32" = "yes" ; then 640 EXESUF=".exe" 641 # MinGW needs -mthreads for TLS and macro _MT. 642 CONFIGURE_CFLAGS="-mthreads $CONFIGURE_CFLAGS" 643 write_c_skeleton; 644 prefix="/qemu" 645 bindir="" 646 qemu_suffix="" 647fi 648 649werror="" 650 651meson_option_build_array() { 652 printf '[' 653 (if test "$targetos" = windows; then 654 IFS=\; 655 else 656 IFS=: 657 fi 658 for e in $1; do 659 printf '"""' 660 # backslash escape any '\' and '"' characters 661 printf "%s" "$e" | sed -e 's/\([\"]\)/\\\1/g' 662 printf '""",' 663 done) 664 printf ']\n' 665} 666 667. "$source_path/scripts/meson-buildoptions.sh" 668 669meson_options= 670meson_option_add() { 671 meson_options="$meson_options $(quote_sh "$1")" 672} 673meson_option_parse() { 674 meson_options="$meson_options $(_meson_option_parse "$@")" 675 if test $? -eq 1; then 676 echo "ERROR: unknown option $1" 677 echo "Try '$0 --help' for more information" 678 exit 1 679 fi 680} 681 682for opt do 683 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 684 case "$opt" in 685 --help|-h) show_help=yes 686 ;; 687 --version|-V) exec cat "$source_path/VERSION" 688 ;; 689 --prefix=*) prefix="$optarg" 690 ;; 691 --cross-prefix=*) 692 ;; 693 --cc=*) 694 ;; 695 --host-cc=*) host_cc="$optarg" 696 ;; 697 --cxx=*) 698 ;; 699 --objcc=*) objcc="$optarg" 700 ;; 701 --make=*) make="$optarg" 702 ;; 703 --install=*) 704 ;; 705 --python=*) python="$optarg" ; explicit_python=yes 706 ;; 707 --skip-meson) skip_meson=yes 708 ;; 709 --meson=*) meson="$optarg" 710 ;; 711 --ninja=*) ninja="$optarg" 712 ;; 713 --smbd=*) smbd="$optarg" 714 ;; 715 --extra-cflags=*) 716 ;; 717 --extra-cxxflags=*) 718 ;; 719 --extra-objcflags=*) 720 ;; 721 --extra-ldflags=*) 722 ;; 723 --cross-cc-*) 724 ;; 725 --cross-prefix-*) 726 ;; 727 --enable-debug-info) meson_option_add -Ddebug=true 728 ;; 729 --disable-debug-info) meson_option_add -Ddebug=false 730 ;; 731 --enable-modules) 732 modules="yes" 733 ;; 734 --disable-modules) 735 modules="no" 736 ;; 737 --cpu=*) 738 ;; 739 --target-list=*) target_list="$optarg" 740 if test "$target_list_exclude"; then 741 error_exit "Can't mix --target-list with --target-list-exclude" 742 fi 743 ;; 744 --target-list-exclude=*) target_list_exclude="$optarg" 745 if test "$target_list"; then 746 error_exit "Can't mix --target-list-exclude with --target-list" 747 fi 748 ;; 749 --with-default-devices) meson_option_add -Ddefault_devices=true 750 ;; 751 --without-default-devices) meson_option_add -Ddefault_devices=false 752 ;; 753 --with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option" 754 ;; 755 --with-devices-*) device_arch=${opt#--with-devices-}; 756 device_arch=${device_arch%%=*} 757 cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak 758 if test -f "$cf"; then 759 device_archs="$device_archs $device_arch" 760 eval "devices_${device_arch}=\$optarg" 761 else 762 error_exit "File $cf does not exist" 763 fi 764 ;; 765 --without-default-features) # processed above 766 ;; 767 --static) 768 static="yes" 769 QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS" 770 ;; 771 --bindir=*) bindir="$optarg" 772 ;; 773 --with-suffix=*) qemu_suffix="$optarg" 774 ;; 775 --host=*|--build=*|\ 776 --disable-dependency-tracking|\ 777 --sbindir=*|--sharedstatedir=*|\ 778 --oldincludedir=*|--datarootdir=*|--infodir=*|\ 779 --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*) 780 # These switches are silently ignored, for compatibility with 781 # autoconf-generated configure scripts. This allows QEMU's 782 # configure to be used by RPM and similar macros that set 783 # lots of directory switches by default. 784 ;; 785 --enable-debug-tcg) debug_tcg="yes" 786 ;; 787 --disable-debug-tcg) debug_tcg="no" 788 ;; 789 --enable-debug) 790 # Enable debugging options that aren't excessively noisy 791 debug_tcg="yes" 792 meson_option_parse --enable-debug-mutex "" 793 meson_option_add -Doptimization=0 794 fortify_source="no" 795 ;; 796 --enable-sanitizers) sanitizers="yes" 797 ;; 798 --disable-sanitizers) sanitizers="no" 799 ;; 800 --enable-tsan) tsan="yes" 801 ;; 802 --disable-tsan) tsan="no" 803 ;; 804 --disable-tcg) tcg="disabled" 805 plugins="no" 806 ;; 807 --enable-tcg) tcg="enabled" 808 ;; 809 --disable-system) softmmu="no" 810 ;; 811 --enable-system) softmmu="yes" 812 ;; 813 --disable-user) 814 linux_user="no" ; 815 bsd_user="no" ; 816 ;; 817 --enable-user) ;; 818 --disable-linux-user) linux_user="no" 819 ;; 820 --enable-linux-user) linux_user="yes" 821 ;; 822 --disable-bsd-user) bsd_user="no" 823 ;; 824 --enable-bsd-user) bsd_user="yes" 825 ;; 826 --enable-pie) pie="yes" 827 ;; 828 --disable-pie) pie="no" 829 ;; 830 --enable-werror) werror="yes" 831 ;; 832 --disable-werror) werror="no" 833 ;; 834 --enable-stack-protector) stack_protector="yes" 835 ;; 836 --disable-stack-protector) stack_protector="no" 837 ;; 838 --enable-safe-stack) safe_stack="yes" 839 ;; 840 --disable-safe-stack) safe_stack="no" 841 ;; 842 --enable-cfi) 843 cfi="true"; 844 meson_option_add -Db_lto=true 845 ;; 846 --disable-cfi) cfi="false" 847 ;; 848 --disable-fdt) fdt="disabled" 849 ;; 850 --enable-fdt) fdt="enabled" 851 ;; 852 --enable-fdt=git) fdt="internal" 853 ;; 854 --enable-fdt=*) fdt="$optarg" 855 ;; 856 --with-coroutine=*) coroutine="$optarg" 857 ;; 858 --disable-zlib-test) 859 ;; 860 --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane) 861 echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2 862 ;; 863 --enable-vhdx|--disable-vhdx) 864 echo "$0: $opt is obsolete, VHDX driver is always built" >&2 865 ;; 866 --enable-uuid|--disable-uuid) 867 echo "$0: $opt is obsolete, UUID support is always built" >&2 868 ;; 869 --with-git=*) git="$optarg" 870 ;; 871 --with-git-submodules=*) 872 git_submodules_action="$optarg" 873 ;; 874 --enable-plugins) if test "$mingw32" = "yes"; then 875 error_exit "TCG plugins not currently supported on Windows platforms" 876 else 877 plugins="yes" 878 fi 879 ;; 880 --disable-plugins) plugins="no" 881 ;; 882 --enable-containers) use_containers="yes" 883 ;; 884 --disable-containers) use_containers="no" 885 ;; 886 --gdb=*) gdb_bin="$optarg" 887 ;; 888 # backwards compatibility options 889 --enable-trace-backend=*) meson_option_parse "--enable-trace-backends=$optarg" "$optarg" 890 ;; 891 --disable-blobs) meson_option_parse --disable-install-blobs "" 892 ;; 893 --enable-vfio-user-server) vfio_user_server="enabled" 894 ;; 895 --disable-vfio-user-server) vfio_user_server="disabled" 896 ;; 897 --enable-tcmalloc) meson_option_parse --enable-malloc=tcmalloc tcmalloc 898 ;; 899 --enable-jemalloc) meson_option_parse --enable-malloc=jemalloc jemalloc 900 ;; 901 # everything else has the same name in configure and meson 902 --*) meson_option_parse "$opt" "$optarg" 903 ;; 904 esac 905done 906 907# test for any invalid configuration combinations 908if test "$plugins" = "yes" -a "$tcg" = "disabled"; then 909 error_exit "Can't enable plugins on non-TCG builds" 910fi 911 912case $git_submodules_action in 913 update|validate) 914 if test ! -e "$source_path/.git"; then 915 echo "ERROR: cannot $git_submodules_action git submodules without .git" 916 exit 1 917 fi 918 ;; 919 ignore) 920 if ! test -f "$source_path/ui/keycodemapdb/README" 921 then 922 echo 923 echo "ERROR: missing GIT submodules" 924 echo 925 if test -e "$source_path/.git"; then 926 echo "--with-git-submodules=ignore specified but submodules were not" 927 echo "checked out. Please initialize and update submodules." 928 else 929 echo "This is not a GIT checkout but module content appears to" 930 echo "be missing. Do not use 'git archive' or GitHub download links" 931 echo "to acquire QEMU source archives. Non-GIT builds are only" 932 echo "supported with source archives linked from:" 933 echo 934 echo " https://www.qemu.org/download/#source" 935 echo 936 echo "Developers working with GIT can use scripts/archive-source.sh" 937 echo "if they need to create valid source archives." 938 fi 939 echo 940 exit 1 941 fi 942 ;; 943 *) 944 echo "ERROR: invalid --with-git-submodules= value '$git_submodules_action'" 945 exit 1 946 ;; 947esac 948 949default_target_list="" 950mak_wilds="" 951 952if [ "$linux_user" != no ]; then 953 if [ "$targetos" = linux ] && [ -d "$source_path/linux-user/include/host/$cpu" ]; then 954 linux_user=yes 955 elif [ "$linux_user" = yes ]; then 956 error_exit "linux-user not supported on this architecture" 957 fi 958fi 959if [ "$bsd_user" != no ]; then 960 if [ "$bsd_user" = "" ]; then 961 test $targetos = freebsd && bsd_user=yes 962 fi 963 if [ "$bsd_user" = yes ] && ! [ -d "$source_path/bsd-user/$targetos" ]; then 964 error_exit "bsd-user not supported on this host OS" 965 fi 966fi 967if [ "$softmmu" = "yes" ]; then 968 mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak" 969fi 970if [ "$linux_user" = "yes" ]; then 971 mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak" 972fi 973if [ "$bsd_user" = "yes" ]; then 974 mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak" 975fi 976 977for config in $mak_wilds; do 978 target="$(basename "$config" .mak)" 979 if echo "$target_list_exclude" | grep -vq "$target"; then 980 default_target_list="${default_target_list} $target" 981 fi 982done 983 984if test x"$show_help" = x"yes" ; then 985cat << EOF 986 987Usage: configure [options] 988Options: [defaults in brackets after descriptions] 989 990Standard options: 991 --help print this message 992 --prefix=PREFIX install in PREFIX [$prefix] 993 --target-list=LIST set target list (default: build all) 994$(echo Available targets: $default_target_list | \ 995 fold -s -w 53 | sed -e 's/^/ /') 996 --target-list-exclude=LIST exclude a set of targets from the default target-list 997 998Advanced options (experts only): 999 --cross-prefix=PREFIX use PREFIX for compile tools, PREFIX can be blank [$cross_prefix] 1000 --cc=CC use C compiler CC [$cc] 1001 --host-cc=CC use C compiler CC [$host_cc] for code run at 1002 build time 1003 --cxx=CXX use C++ compiler CXX [$cxx] 1004 --objcc=OBJCC use Objective-C compiler OBJCC [$objcc] 1005 --extra-cflags=CFLAGS append extra C compiler flags CFLAGS 1006 --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS 1007 --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS 1008 --extra-ldflags=LDFLAGS append extra linker flags LDFLAGS 1009 --cross-cc-ARCH=CC use compiler when building ARCH guest test cases 1010 --cross-cc-cflags-ARCH= use compiler flags when building ARCH guest tests 1011 --cross-prefix-ARCH=PREFIX cross compiler prefix when building ARCH guest test cases 1012 --make=MAKE use specified make [$make] 1013 --python=PYTHON use specified python [$python] 1014 --meson=MESON use specified meson [$meson] 1015 --ninja=NINJA use specified ninja [$ninja] 1016 --smbd=SMBD use specified smbd [$smbd] 1017 --with-git=GIT use specified git [$git] 1018 --with-git-submodules=update update git submodules (default if .git dir exists) 1019 --with-git-submodules=validate fail if git submodules are not up to date 1020 --with-git-submodules=ignore do not update or check git submodules (default if no .git dir) 1021 --static enable static build [$static] 1022 --bindir=PATH install binaries in PATH 1023 --with-suffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix] 1024 --without-default-features default all --enable-* options to "disabled" 1025 --without-default-devices do not include any device that is not needed to 1026 start the emulator (only use if you are including 1027 desired devices in configs/devices/) 1028 --with-devices-ARCH=NAME override default configs/devices 1029 --enable-debug enable common debug build options 1030 --enable-sanitizers enable default sanitizers 1031 --enable-tsan enable thread sanitizer 1032 --disable-werror disable compilation abort on warning 1033 --disable-stack-protector disable compiler-provided stack protection 1034 --cpu=CPU Build for host CPU [$cpu] 1035 --with-coroutine=BACKEND coroutine backend. Supported options: 1036 ucontext, sigaltstack, windows 1037 --enable-plugins 1038 enable plugins via shared library loading 1039 --disable-containers don't use containers for cross-building 1040 --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin] 1041EOF 1042 meson_options_help 1043cat << EOF 1044 system all system emulation targets 1045 user supported user emulation targets 1046 linux-user all linux usermode emulation targets 1047 bsd-user all BSD usermode emulation targets 1048 pie Position Independent Executables 1049 modules modules support (non-Windows) 1050 debug-tcg TCG debugging (default is disabled) 1051 debug-info debugging information 1052 safe-stack SafeStack Stack Smash Protection. Depends on 1053 clang/llvm >= 3.7 and requires coroutine backend ucontext. 1054 1055NOTE: The object files are built at the place where configure is launched 1056EOF 1057exit 0 1058fi 1059 1060# Remove old dependency files to make sure that they get properly regenerated 1061rm -f ./*/config-devices.mak.d 1062 1063if test -z "$python" 1064then 1065 error_exit "Python not found. Use --python=/path/to/python" 1066fi 1067if ! has "$make" 1068then 1069 error_exit "GNU make ($make) not found" 1070fi 1071 1072# Note that if the Python conditional here evaluates True we will exit 1073# with status 1 which is a shell 'false' value. 1074if ! $python -c 'import sys; sys.exit(sys.version_info < (3,6))'; then 1075 error_exit "Cannot use '$python', Python >= 3.6 is required." \ 1076 "Use --python=/path/to/python to specify a supported Python." 1077fi 1078 1079# Suppress writing compiled files 1080python="$python -B" 1081 1082if test -z "$meson"; then 1083 if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.61.5; then 1084 meson=meson 1085 elif test "$git_submodules_action" != 'ignore' ; then 1086 meson=git 1087 elif test -e "${source_path}/meson/meson.py" ; then 1088 meson=internal 1089 else 1090 if test "$explicit_python" = yes; then 1091 error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found." 1092 else 1093 error_exit "Meson not found. Use --meson=/path/to/meson" 1094 fi 1095 fi 1096else 1097 # Meson uses its own Python interpreter to invoke other Python scripts, 1098 # but the user wants to use the one they specified with --python. 1099 # 1100 # We do not want to override the distro Python interpreter (and sometimes 1101 # cannot: for example in Homebrew /usr/bin/meson is a bash script), so 1102 # just require --meson=git|internal together with --python. 1103 if test "$explicit_python" = yes; then 1104 case "$meson" in 1105 git | internal) ;; 1106 *) error_exit "--python requires using QEMU's embedded Meson distribution." ;; 1107 esac 1108 fi 1109fi 1110 1111if test "$meson" = git; then 1112 git_submodules="${git_submodules} meson" 1113fi 1114 1115case "$meson" in 1116 git | internal) 1117 meson="$python ${source_path}/meson/meson.py" 1118 ;; 1119 *) meson=$(command -v "$meson") ;; 1120esac 1121 1122# Probe for ninja 1123 1124if test -z "$ninja"; then 1125 for c in ninja ninja-build samu; do 1126 if has $c; then 1127 ninja=$(command -v "$c") 1128 break 1129 fi 1130 done 1131 if test -z "$ninja"; then 1132 error_exit "Cannot find Ninja" 1133 fi 1134fi 1135 1136# Check that the C compiler works. Doing this here before testing 1137# the host CPU ensures that we had a valid CC to autodetect the 1138# $cpu var (and we should bail right here if that's not the case). 1139# It also allows the help message to be printed without a CC. 1140write_c_skeleton; 1141if compile_object ; then 1142 : C compiler works ok 1143else 1144 error_exit "\"$cc\" either does not exist or does not work" 1145fi 1146if ! compile_prog ; then 1147 error_exit "\"$cc\" cannot build an executable (is your linker broken?)" 1148fi 1149 1150# Consult white-list to determine whether to enable werror 1151# by default. Only enable by default for git builds 1152if test -z "$werror" ; then 1153 if test "$git_submodules_action" != "ignore" && \ 1154 { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then 1155 werror="yes" 1156 else 1157 werror="no" 1158 fi 1159fi 1160 1161if test "$targetos" = "bogus"; then 1162 # Now that we know that we're not printing the help and that 1163 # the compiler works (so the results of the check_defines we used 1164 # to identify the OS are reliable), if we didn't recognize the 1165 # host OS we should stop now. 1166 error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')" 1167fi 1168 1169# Check whether the compiler matches our minimum requirements: 1170cat > $TMPC << EOF 1171#if defined(__clang_major__) && defined(__clang_minor__) 1172# ifdef __apple_build_version__ 1173# if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0) 1174# error You need at least XCode Clang v10.0 to compile QEMU 1175# endif 1176# else 1177# if __clang_major__ < 6 || (__clang_major__ == 6 && __clang_minor__ < 0) 1178# error You need at least Clang v6.0 to compile QEMU 1179# endif 1180# endif 1181#elif defined(__GNUC__) && defined(__GNUC_MINOR__) 1182# if __GNUC__ < 7 || (__GNUC__ == 7 && __GNUC_MINOR__ < 4) 1183# error You need at least GCC v7.4.0 to compile QEMU 1184# endif 1185#else 1186# error You either need GCC or Clang to compiler QEMU 1187#endif 1188int main (void) { return 0; } 1189EOF 1190if ! compile_prog "" "" ; then 1191 error_exit "You need at least GCC v7.4 or Clang v6.0 (or XCode Clang v10.0)" 1192fi 1193 1194# Accumulate -Wfoo and -Wno-bar separately. 1195# We will list all of the enable flags first, and the disable flags second. 1196# Note that we do not add -Werror, because that would enable it for all 1197# configure tests. If a configure test failed due to -Werror this would 1198# just silently disable some features, so it's too error prone. 1199 1200warn_flags= 1201add_to warn_flags -Wold-style-declaration 1202add_to warn_flags -Wold-style-definition 1203add_to warn_flags -Wtype-limits 1204add_to warn_flags -Wformat-security 1205add_to warn_flags -Wformat-y2k 1206add_to warn_flags -Winit-self 1207add_to warn_flags -Wignored-qualifiers 1208add_to warn_flags -Wempty-body 1209add_to warn_flags -Wnested-externs 1210add_to warn_flags -Wendif-labels 1211add_to warn_flags -Wexpansion-to-defined 1212add_to warn_flags -Wimplicit-fallthrough=2 1213 1214nowarn_flags= 1215add_to nowarn_flags -Wno-initializer-overrides 1216add_to nowarn_flags -Wno-missing-include-dirs 1217add_to nowarn_flags -Wno-shift-negative-value 1218add_to nowarn_flags -Wno-string-plus-int 1219add_to nowarn_flags -Wno-typedef-redefinition 1220add_to nowarn_flags -Wno-tautological-type-limit-compare 1221add_to nowarn_flags -Wno-psabi 1222add_to nowarn_flags -Wno-gnu-variable-sized-type-not-at-end 1223 1224gcc_flags="$warn_flags $nowarn_flags" 1225 1226cc_has_warning_flag() { 1227 write_c_skeleton; 1228 1229 # Use the positive sense of the flag when testing for -Wno-wombat 1230 # support (gcc will happily accept the -Wno- form of unknown 1231 # warning options). 1232 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')" 1233 compile_prog "-Werror $optflag" "" 1234} 1235 1236objcc_has_warning_flag() { 1237 cat > $TMPM <<EOF 1238int main(void) { return 0; } 1239EOF 1240 1241 # Use the positive sense of the flag when testing for -Wno-wombat 1242 # support (gcc will happily accept the -Wno- form of unknown 1243 # warning options). 1244 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')" 1245 do_objc -Werror $optflag \ 1246 $OBJCFLAGS $EXTRA_OBJCFLAGS $CONFIGURE_OBJCFLAGS $QEMU_OBJCFLAGS \ 1247 -o $TMPE $TMPM $QEMU_LDFLAGS 1248} 1249 1250for flag in $gcc_flags; do 1251 if cc_has_warning_flag $flag ; then 1252 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1253 fi 1254 if objcc_has_warning_flag $flag ; then 1255 QEMU_OBJCFLAGS="$QEMU_OBJCFLAGS $flag" 1256 fi 1257done 1258 1259if test "$stack_protector" != "no"; then 1260 cat > $TMPC << EOF 1261int main(int argc, char *argv[]) 1262{ 1263 char arr[64], *p = arr, *c = argv[argc - 1]; 1264 while (*c) { 1265 *p++ = *c++; 1266 } 1267 return 0; 1268} 1269EOF 1270 gcc_flags="-fstack-protector-strong -fstack-protector-all" 1271 sp_on=0 1272 for flag in $gcc_flags; do 1273 # We need to check both a compile and a link, since some compiler 1274 # setups fail only on a .c->.o compile and some only at link time 1275 if compile_object "-Werror $flag" && 1276 compile_prog "-Werror $flag" ""; then 1277 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1278 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 1279 sp_on=1 1280 break 1281 fi 1282 done 1283 if test "$stack_protector" = yes; then 1284 if test $sp_on = 0; then 1285 error_exit "Stack protector not supported" 1286 fi 1287 fi 1288fi 1289 1290# Disable -Wmissing-braces on older compilers that warn even for 1291# the "universal" C zero initializer {0}. 1292cat > $TMPC << EOF 1293struct { 1294 int a[2]; 1295} x = {0}; 1296EOF 1297if compile_object "-Werror" "" ; then 1298 : 1299else 1300 QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces" 1301fi 1302 1303# Our module code doesn't support Windows 1304if test "$modules" = "yes" && test "$mingw32" = "yes" ; then 1305 error_exit "Modules are not available for Windows" 1306fi 1307 1308# Static linking is not possible with plugins, modules or PIE 1309if test "$static" = "yes" ; then 1310 if test "$modules" = "yes" ; then 1311 error_exit "static and modules are mutually incompatible" 1312 fi 1313 if test "$plugins" = "yes"; then 1314 error_exit "static and plugins are mutually incompatible" 1315 else 1316 plugins="no" 1317 fi 1318fi 1319test "$plugins" = "" && plugins=yes 1320 1321cat > $TMPC << EOF 1322 1323#ifdef __linux__ 1324# define THREAD __thread 1325#else 1326# define THREAD 1327#endif 1328static THREAD int tls_var; 1329int main(void) { return tls_var; } 1330EOF 1331 1332# Meson currently only handles pie as a boolean for now so if we have 1333# explicitly disabled PIE we need to extend our cflags because it wont. 1334if test "$static" = "yes"; then 1335 if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then 1336 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" 1337 pie="yes" 1338 elif test "$pie" = "yes"; then 1339 error_exit "-static-pie not available due to missing toolchain support" 1340 else 1341 pie="no" 1342 QEMU_CFLAGS="-fno-pie -no-pie $QEMU_CFLAGS" 1343 fi 1344elif test "$pie" = "no"; then 1345 if compile_prog "-Werror -fno-pie" "-no-pie"; then 1346 CONFIGURE_CFLAGS="-fno-pie $CONFIGURE_CFLAGS" 1347 CONFIGURE_LDFLAGS="-no-pie $CONFIGURE_LDFLAGS" 1348 QEMU_CFLAGS="-fno-pie -no-pie $QEMU_CFLAGS" 1349 fi 1350elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then 1351 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" 1352 CONFIGURE_LDFLAGS="-pie $CONFIGURE_LDFLAGS" 1353 pie="yes" 1354elif test "$pie" = "yes"; then 1355 error_exit "PIE not available due to missing toolchain support" 1356else 1357 echo "Disabling PIE due to missing toolchain support" 1358 pie="no" 1359fi 1360 1361########################################## 1362# __sync_fetch_and_and requires at least -march=i486. Many toolchains 1363# use i686 as default anyway, but for those that don't, an explicit 1364# specification is necessary 1365 1366if test "$cpu" = "i386"; then 1367 cat > $TMPC << EOF 1368static int sfaa(int *ptr) 1369{ 1370 return __sync_fetch_and_and(ptr, 0); 1371} 1372 1373int main(void) 1374{ 1375 int val = 42; 1376 val = __sync_val_compare_and_swap(&val, 0, 1); 1377 sfaa(&val); 1378 return val; 1379} 1380EOF 1381 if ! compile_prog "" "" ; then 1382 QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS" 1383 fi 1384fi 1385 1386if test -z "${target_list+xxx}" ; then 1387 default_targets=yes 1388 for target in $default_target_list; do 1389 target_list="$target_list $target" 1390 done 1391 target_list="${target_list# }" 1392else 1393 default_targets=no 1394 target_list=$(echo "$target_list" | sed -e 's/,/ /g') 1395 for target in $target_list; do 1396 # Check that we recognised the target name; this allows a more 1397 # friendly error message than if we let it fall through. 1398 case " $default_target_list " in 1399 *" $target "*) 1400 ;; 1401 *) 1402 error_exit "Unknown target name '$target'" 1403 ;; 1404 esac 1405 done 1406fi 1407 1408# see if system emulation was really requested 1409case " $target_list " in 1410 *"-softmmu "*) softmmu=yes 1411 ;; 1412 *) softmmu=no 1413 ;; 1414esac 1415 1416if test "$tcg" = "auto"; then 1417 if test -z "$target_list"; then 1418 tcg="disabled" 1419 else 1420 tcg="enabled" 1421 fi 1422fi 1423 1424if test "$tcg" = "enabled"; then 1425 git_submodules="$git_submodules tests/fp/berkeley-testfloat-3" 1426 git_submodules="$git_submodules tests/fp/berkeley-softfloat-3" 1427fi 1428 1429########################################## 1430# big/little endian test 1431cat > $TMPC << EOF 1432#if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ 1433# error LITTLE 1434#endif 1435int main(void) { return 0; } 1436EOF 1437 1438if ! compile_prog ; then 1439 bigendian="no" 1440else 1441 cat > $TMPC << EOF 1442#if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ 1443# error BIG 1444#endif 1445int main(void) { return 0; } 1446EOF 1447 1448 if ! compile_prog ; then 1449 bigendian="yes" 1450 else 1451 echo big/little test failed 1452 exit 1 1453 fi 1454fi 1455 1456########################################## 1457# pkg-config probe 1458 1459if ! has "$pkg_config_exe"; then 1460 error_exit "pkg-config binary '$pkg_config_exe' not found" 1461fi 1462 1463########################################## 1464# glib support probe 1465 1466# When bumping glib_req_ver, please check also whether we should increase 1467# the _WIN32_WINNT setting in osdep.h according to the value from glib 1468glib_req_ver=2.56 1469glib_modules=gthread-2.0 1470if test "$modules" = yes; then 1471 glib_modules="$glib_modules gmodule-export-2.0" 1472elif test "$plugins" = "yes"; then 1473 glib_modules="$glib_modules gmodule-no-export-2.0" 1474fi 1475 1476for i in $glib_modules; do 1477 if $pkg_config --atleast-version=$glib_req_ver $i; then 1478 glib_cflags=$($pkg_config --cflags $i) 1479 glib_libs=$($pkg_config --libs $i) 1480 else 1481 error_exit "glib-$glib_req_ver $i is required to compile QEMU" 1482 fi 1483done 1484 1485glib_bindir="$($pkg_config --variable=bindir glib-2.0)" 1486if test -z "$glib_bindir" ; then 1487 glib_bindir="$($pkg_config --variable=prefix glib-2.0)"/bin 1488fi 1489 1490# This workaround is required due to a bug in pkg-config file for glib as it 1491# doesn't define GLIB_STATIC_COMPILATION for pkg-config --static 1492 1493if test "$static" = yes && test "$mingw32" = yes; then 1494 glib_cflags="-DGLIB_STATIC_COMPILATION $glib_cflags" 1495fi 1496 1497# Sanity check that the current size_t matches the 1498# size that glib thinks it should be. This catches 1499# problems on multi-arch where people try to build 1500# 32-bit QEMU while pointing at 64-bit glib headers 1501cat > $TMPC <<EOF 1502#include <glib.h> 1503#include <unistd.h> 1504 1505#define QEMU_BUILD_BUG_ON(x) \ 1506 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused)); 1507 1508int main(void) { 1509 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T); 1510 return 0; 1511} 1512EOF 1513 1514if ! compile_prog "$glib_cflags" "$glib_libs" ; then 1515 error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\ 1516 "You probably need to set PKG_CONFIG_LIBDIR"\ 1517 "to point to the right pkg-config files for your"\ 1518 "build target" 1519fi 1520 1521# Silence clang warnings triggered by glib < 2.57.2 1522cat > $TMPC << EOF 1523#include <glib.h> 1524typedef struct Foo { 1525 int i; 1526} Foo; 1527static void foo_free(Foo *f) 1528{ 1529 g_free(f); 1530} 1531G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free) 1532int main(void) { return 0; } 1533EOF 1534if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then 1535 if cc_has_warning_flag "-Wno-unused-function"; then 1536 glib_cflags="$glib_cflags -Wno-unused-function" 1537 CONFIGURE_CFLAGS="$CONFIGURE_CFLAGS -Wno-unused-function" 1538 fi 1539fi 1540 1541########################################## 1542# fdt probe 1543 1544case "$fdt" in 1545 auto | enabled | internal) 1546 # Simpler to always update submodule, even if not needed. 1547 git_submodules="${git_submodules} dtc" 1548 ;; 1549esac 1550 1551########################################## 1552# check and set a backend for coroutine 1553 1554# We prefer ucontext, but it's not always possible. The fallback 1555# is sigcontext. On Windows the only valid backend is the Windows 1556# specific one. 1557 1558ucontext_works=no 1559if test "$darwin" != "yes"; then 1560 cat > $TMPC << EOF 1561#include <ucontext.h> 1562#ifdef __stub_makecontext 1563#error Ignoring glibc stub makecontext which will always fail 1564#endif 1565int main(void) { makecontext(0, 0, 0); return 0; } 1566EOF 1567 if compile_prog "" "" ; then 1568 ucontext_works=yes 1569 fi 1570fi 1571 1572if test "$coroutine" = ""; then 1573 if test "$mingw32" = "yes"; then 1574 coroutine=win32 1575 elif test "$ucontext_works" = "yes"; then 1576 coroutine=ucontext 1577 else 1578 coroutine=sigaltstack 1579 fi 1580else 1581 case $coroutine in 1582 windows) 1583 if test "$mingw32" != "yes"; then 1584 error_exit "'windows' coroutine backend only valid for Windows" 1585 fi 1586 # Unfortunately the user visible backend name doesn't match the 1587 # coroutine-*.c filename for this case, so we have to adjust it here. 1588 coroutine=win32 1589 ;; 1590 ucontext) 1591 if test "$ucontext_works" != "yes"; then 1592 error_exit "'ucontext' backend requested but makecontext not available" 1593 fi 1594 ;; 1595 sigaltstack) 1596 if test "$mingw32" = "yes"; then 1597 error_exit "only the 'windows' coroutine backend is valid for Windows" 1598 fi 1599 ;; 1600 *) 1601 error_exit "unknown coroutine backend $coroutine" 1602 ;; 1603 esac 1604fi 1605 1606################################################## 1607# SafeStack 1608 1609 1610if test "$safe_stack" = "yes"; then 1611cat > $TMPC << EOF 1612int main(void) 1613{ 1614#if ! __has_feature(safe_stack) 1615#error SafeStack Disabled 1616#endif 1617 return 0; 1618} 1619EOF 1620 flag="-fsanitize=safe-stack" 1621 # Check that safe-stack is supported and enabled. 1622 if compile_prog "-Werror $flag" "$flag"; then 1623 # Flag needed both at compilation and at linking 1624 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1625 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 1626 else 1627 error_exit "SafeStack not supported by your compiler" 1628 fi 1629 if test "$coroutine" != "ucontext"; then 1630 error_exit "SafeStack is only supported by the coroutine backend ucontext" 1631 fi 1632else 1633cat > $TMPC << EOF 1634int main(void) 1635{ 1636#if defined(__has_feature) 1637#if __has_feature(safe_stack) 1638#error SafeStack Enabled 1639#endif 1640#endif 1641 return 0; 1642} 1643EOF 1644if test "$safe_stack" = "no"; then 1645 # Make sure that safe-stack is disabled 1646 if ! compile_prog "-Werror" ""; then 1647 # SafeStack was already enabled, try to explicitly remove the feature 1648 flag="-fno-sanitize=safe-stack" 1649 if ! compile_prog "-Werror $flag" "$flag"; then 1650 error_exit "Configure cannot disable SafeStack" 1651 fi 1652 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1653 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 1654 fi 1655else # "$safe_stack" = "" 1656 # Set safe_stack to yes or no based on pre-existing flags 1657 if compile_prog "-Werror" ""; then 1658 safe_stack="no" 1659 else 1660 safe_stack="yes" 1661 if test "$coroutine" != "ucontext"; then 1662 error_exit "SafeStack is only supported by the coroutine backend ucontext" 1663 fi 1664 fi 1665fi 1666fi 1667 1668######################################## 1669# check if ccache is interfering with 1670# semantic analysis of macros 1671 1672unset CCACHE_CPP2 1673ccache_cpp2=no 1674cat > $TMPC << EOF 1675static const int Z = 1; 1676#define fn() ({ Z; }) 1677#define TAUT(X) ((X) == Z) 1678#define PAREN(X, Y) (X == Y) 1679#define ID(X) (X) 1680int main(void) 1681{ 1682 int x = 0, y = 0; 1683 x = ID(x); 1684 x = fn(); 1685 fn(); 1686 if (PAREN(x, y)) return 0; 1687 if (TAUT(Z)) return 0; 1688 return 0; 1689} 1690EOF 1691 1692if ! compile_object "-Werror"; then 1693 ccache_cpp2=yes 1694fi 1695 1696################################################# 1697# clang does not support glibc + FORTIFY_SOURCE. 1698 1699if test "$fortify_source" != "no"; then 1700 if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then 1701 fortify_source="no"; 1702 elif test -n "$cxx" && has $cxx && 1703 echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then 1704 fortify_source="no"; 1705 else 1706 fortify_source="yes" 1707 fi 1708fi 1709 1710########################################## 1711# checks for sanitizers 1712 1713have_asan=no 1714have_ubsan=no 1715have_asan_iface_h=no 1716have_asan_iface_fiber=no 1717 1718if test "$sanitizers" = "yes" ; then 1719 write_c_skeleton 1720 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then 1721 have_asan=yes 1722 fi 1723 1724 # we could use a simple skeleton for flags checks, but this also 1725 # detect the static linking issue of ubsan, see also: 1726 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285 1727 cat > $TMPC << EOF 1728#include <stdlib.h> 1729int main(void) { 1730 void *tmp = malloc(10); 1731 if (tmp != NULL) { 1732 return *(int *)(tmp + 2); 1733 } 1734 return 1; 1735} 1736EOF 1737 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then 1738 have_ubsan=yes 1739 fi 1740 1741 if check_include "sanitizer/asan_interface.h" ; then 1742 have_asan_iface_h=yes 1743 fi 1744 1745 cat > $TMPC << EOF 1746#include <sanitizer/asan_interface.h> 1747int main(void) { 1748 __sanitizer_start_switch_fiber(0, 0, 0); 1749 return 0; 1750} 1751EOF 1752 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then 1753 have_asan_iface_fiber=yes 1754 fi 1755fi 1756 1757# Thread sanitizer is, for now, much noisier than the other sanitizers; 1758# keep it separate until that is not the case. 1759if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then 1760 error_exit "TSAN is not supported with other sanitiziers." 1761fi 1762have_tsan=no 1763have_tsan_iface_fiber=no 1764if test "$tsan" = "yes" ; then 1765 write_c_skeleton 1766 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then 1767 have_tsan=yes 1768 fi 1769 cat > $TMPC << EOF 1770#include <sanitizer/tsan_interface.h> 1771int main(void) { 1772 __tsan_create_fiber(0); 1773 return 0; 1774} 1775EOF 1776 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then 1777 have_tsan_iface_fiber=yes 1778 fi 1779fi 1780 1781########################################## 1782# functions to probe cross compilers 1783 1784container="no" 1785if test $use_containers = "yes" && (has "docker" || has "podman"); then 1786 case $($python "$source_path"/tests/docker/docker.py probe) in 1787 *docker) container=docker ;; 1788 podman) container=podman ;; 1789 no) container=no ;; 1790 esac 1791 if test "$container" != "no"; then 1792 docker_py="$python $source_path/tests/docker/docker.py --engine $container" 1793 fi 1794fi 1795 1796# cross compilers defaults, can be overridden with --cross-cc-ARCH 1797: ${cross_prefix_aarch64="aarch64-linux-gnu-"} 1798: ${cross_prefix_aarch64_be="$cross_prefix_aarch64"} 1799: ${cross_prefix_alpha="alpha-linux-gnu-"} 1800: ${cross_prefix_arm="arm-linux-gnueabihf-"} 1801: ${cross_prefix_armeb="$cross_prefix_arm"} 1802: ${cross_prefix_hexagon="hexagon-unknown-linux-musl-"} 1803: ${cross_prefix_loongarch64="loongarch64-unknown-linux-gnu-"} 1804: ${cross_prefix_hppa="hppa-linux-gnu-"} 1805: ${cross_prefix_i386="i686-linux-gnu-"} 1806: ${cross_prefix_m68k="m68k-linux-gnu-"} 1807: ${cross_prefix_microblaze="microblaze-linux-musl-"} 1808: ${cross_prefix_mips64el="mips64el-linux-gnuabi64-"} 1809: ${cross_prefix_mips64="mips64-linux-gnuabi64-"} 1810: ${cross_prefix_mipsel="mipsel-linux-gnu-"} 1811: ${cross_prefix_mips="mips-linux-gnu-"} 1812: ${cross_prefix_nios2="nios2-linux-gnu-"} 1813: ${cross_prefix_ppc="powerpc-linux-gnu-"} 1814: ${cross_prefix_ppc64="powerpc64-linux-gnu-"} 1815: ${cross_prefix_ppc64le="$cross_prefix_ppc64"} 1816: ${cross_prefix_riscv64="riscv64-linux-gnu-"} 1817: ${cross_prefix_s390x="s390x-linux-gnu-"} 1818: ${cross_prefix_sh4="sh4-linux-gnu-"} 1819: ${cross_prefix_sparc64="sparc64-linux-gnu-"} 1820: ${cross_prefix_sparc="$cross_prefix_sparc64"} 1821: ${cross_prefix_x86_64="x86_64-linux-gnu-"} 1822 1823: ${cross_cc_aarch64_be="$cross_cc_aarch64"} 1824: ${cross_cc_cflags_aarch64_be="-mbig-endian"} 1825: ${cross_cc_armeb="$cross_cc_arm"} 1826: ${cross_cc_cflags_armeb="-mbig-endian"} 1827: ${cross_cc_hexagon="hexagon-unknown-linux-musl-clang"} 1828: ${cross_cc_cflags_hexagon="-mv67 -O2 -static"} 1829: ${cross_cc_cflags_i386="-m32"} 1830: ${cross_cc_cflags_ppc="-m32 -mbig-endian"} 1831: ${cross_cc_cflags_ppc64="-m64 -mbig-endian"} 1832: ${cross_cc_ppc64le="$cross_cc_ppc64"} 1833: ${cross_cc_cflags_ppc64le="-m64 -mlittle-endian"} 1834: ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"} 1835: ${cross_cc_sparc="$cross_cc_sparc64"} 1836: ${cross_cc_cflags_sparc="-m32 -mcpu=supersparc"} 1837: ${cross_cc_cflags_x86_64="-m64"} 1838 1839compute_target_variable() { 1840 eval "$2=" 1841 if eval test -n "\"\${cross_prefix_$1}\""; then 1842 if eval has "\"\${cross_prefix_$1}\$3\""; then 1843 eval "$2=\"\${cross_prefix_$1}\$3\"" 1844 fi 1845 fi 1846} 1847 1848have_target() { 1849 for i; do 1850 case " $target_list " in 1851 *" $i "*) return 0;; 1852 *) ;; 1853 esac 1854 done 1855 return 1 1856} 1857 1858# probe_target_compiler TARGET 1859# 1860# Look for a compiler for the given target, either native or cross. 1861# Set variables target_* if a compiler is found, and container_cross_* 1862# if a Docker-based cross-compiler image is known for the target. 1863# Set got_cross_cc to yes/no depending on whether a non-container-based 1864# compiler was found. 1865# 1866# If TARGET is a user-mode emulation target, also set build_static to 1867# "y" if static linking is possible. 1868# 1869probe_target_compiler() { 1870 # reset all output variables 1871 got_cross_cc=no 1872 container_image= 1873 container_hosts= 1874 container_cross_cc= 1875 container_cross_ar= 1876 container_cross_as= 1877 container_cross_ld= 1878 container_cross_nm= 1879 container_cross_objcopy= 1880 container_cross_ranlib= 1881 container_cross_strip= 1882 1883 # We shall skip configuring the target compiler if the user didn't 1884 # bother enabling an appropriate guest. This avoids building 1885 # extraneous firmware images and tests. 1886 if test "${target_list#*$1}" = "$1"; then 1887 return 1 1888 fi 1889 1890 target_arch=${1%%-*} 1891 case $target_arch in 1892 aarch64) container_hosts="x86_64 aarch64" ;; 1893 alpha) container_hosts=x86_64 ;; 1894 arm) container_hosts="x86_64 aarch64" ;; 1895 cris) container_hosts=x86_64 ;; 1896 hexagon) container_hosts=x86_64 ;; 1897 hppa) container_hosts=x86_64 ;; 1898 i386) container_hosts=x86_64 ;; 1899 loongarch64) container_hosts=x86_64 ;; 1900 m68k) container_hosts=x86_64 ;; 1901 microblaze) container_hosts=x86_64 ;; 1902 mips64el) container_hosts=x86_64 ;; 1903 mips64) container_hosts=x86_64 ;; 1904 mipsel) container_hosts=x86_64 ;; 1905 mips) container_hosts=x86_64 ;; 1906 nios2) container_hosts=x86_64 ;; 1907 ppc) container_hosts=x86_64 ;; 1908 ppc64|ppc64le) container_hosts=x86_64 ;; 1909 riscv64) container_hosts=x86_64 ;; 1910 s390x) container_hosts=x86_64 ;; 1911 sh4) container_hosts=x86_64 ;; 1912 sparc64) container_hosts=x86_64 ;; 1913 tricore) container_hosts=x86_64 ;; 1914 x86_64) container_hosts="aarch64 ppc64el x86_64" ;; 1915 xtensa*) container_hosts=x86_64 ;; 1916 esac 1917 1918 for host in $container_hosts; do 1919 test "$container" != no || continue 1920 test "$host" = "$cpu" || continue 1921 case $target_arch in 1922 aarch64) 1923 # We don't have any bigendian build tools so we only use this for AArch64 1924 container_image=debian-arm64-cross 1925 container_cross_prefix=aarch64-linux-gnu- 1926 container_cross_cc=${container_cross_prefix}gcc-10 1927 ;; 1928 alpha) 1929 container_image=debian-alpha-cross 1930 container_cross_prefix=alpha-linux-gnu- 1931 ;; 1932 arm) 1933 # We don't have any bigendian build tools so we only use this for ARM 1934 container_image=debian-armhf-cross 1935 container_cross_prefix=arm-linux-gnueabihf- 1936 ;; 1937 cris) 1938 container_image=fedora-cris-cross 1939 container_cross_prefix=cris-linux-gnu- 1940 ;; 1941 hexagon) 1942 container_image=debian-hexagon-cross 1943 container_cross_prefix=hexagon-unknown-linux-musl- 1944 container_cross_cc=${container_cross_prefix}clang 1945 ;; 1946 hppa) 1947 container_image=debian-hppa-cross 1948 container_cross_prefix=hppa-linux-gnu- 1949 ;; 1950 i386) 1951 container_image=fedora-i386-cross 1952 container_cross_prefix= 1953 ;; 1954 loongarch64) 1955 container_image=debian-loongarch-cross 1956 container_cross_prefix=loongarch64-unknown-linux-gnu- 1957 ;; 1958 m68k) 1959 container_image=debian-m68k-cross 1960 container_cross_prefix=m68k-linux-gnu- 1961 ;; 1962 microblaze) 1963 container_image=debian-microblaze-cross 1964 container_cross_prefix=microblaze-linux-musl- 1965 ;; 1966 mips64el) 1967 container_image=debian-mips64el-cross 1968 container_cross_prefix=mips64el-linux-gnuabi64- 1969 ;; 1970 mips64) 1971 container_image=debian-mips64-cross 1972 container_cross_prefix=mips64-linux-gnuabi64- 1973 ;; 1974 mipsel) 1975 container_image=debian-mipsel-cross 1976 container_cross_prefix=mipsel-linux-gnu- 1977 ;; 1978 mips) 1979 container_image=debian-mips-cross 1980 container_cross_prefix=mips-linux-gnu- 1981 ;; 1982 nios2) 1983 container_image=debian-nios2-cross 1984 container_cross_prefix=nios2-linux-gnu- 1985 ;; 1986 ppc) 1987 container_image=debian-powerpc-test-cross 1988 container_cross_prefix=powerpc-linux-gnu- 1989 container_cross_cc=${container_cross_prefix}gcc-10 1990 ;; 1991 ppc64|ppc64le) 1992 container_image=debian-powerpc-test-cross 1993 container_cross_prefix=powerpc${target_arch#ppc}-linux-gnu- 1994 container_cross_cc=${container_cross_prefix}gcc-10 1995 ;; 1996 riscv64) 1997 container_image=debian-riscv64-test-cross 1998 container_cross_prefix=riscv64-linux-gnu- 1999 ;; 2000 s390x) 2001 container_image=debian-s390x-cross 2002 container_cross_prefix=s390x-linux-gnu- 2003 ;; 2004 sh4) 2005 container_image=debian-sh4-cross 2006 container_cross_prefix=sh4-linux-gnu- 2007 ;; 2008 sparc64) 2009 container_image=debian-sparc64-cross 2010 container_cross_prefix=sparc64-linux-gnu- 2011 ;; 2012 tricore) 2013 container_image=debian-tricore-cross 2014 container_cross_prefix=tricore- 2015 container_cross_as=tricore-as 2016 container_cross_ld=tricore-ld 2017 break 2018 ;; 2019 x86_64) 2020 container_image=debian-amd64-cross 2021 container_cross_prefix=x86_64-linux-gnu- 2022 ;; 2023 xtensa*) 2024 container_hosts=x86_64 2025 container_image=debian-xtensa-cross 2026 2027 # default to the dc232b cpu 2028 container_cross_prefix=/opt/2020.07/xtensa-dc232b-elf/bin/xtensa-dc232b-elf- 2029 ;; 2030 esac 2031 : ${container_cross_cc:=${container_cross_prefix}gcc} 2032 : ${container_cross_ar:=${container_cross_prefix}ar} 2033 : ${container_cross_as:=${container_cross_prefix}as} 2034 : ${container_cross_ld:=${container_cross_prefix}ld} 2035 : ${container_cross_nm:=${container_cross_prefix}nm} 2036 : ${container_cross_objcopy:=${container_cross_prefix}objcopy} 2037 : ${container_cross_ranlib:=${container_cross_prefix}ranlib} 2038 : ${container_cross_strip:=${container_cross_prefix}strip} 2039 done 2040 2041 try=cross 2042 case "$target_arch:$cpu" in 2043 aarch64_be:aarch64 | \ 2044 armeb:arm | \ 2045 i386:x86_64 | \ 2046 mips*:mips64 | \ 2047 ppc*:ppc64 | \ 2048 sparc:sparc64 | \ 2049 "$cpu:$cpu") 2050 try='native cross' ;; 2051 esac 2052 eval "target_cflags=\${cross_cc_cflags_$target_arch}" 2053 for thistry in $try; do 2054 case $thistry in 2055 native) 2056 target_cc=$cc 2057 target_ccas=$ccas 2058 target_ar=$ar 2059 target_as=$as 2060 target_ld=$ld 2061 target_nm=$nm 2062 target_objcopy=$objcopy 2063 target_ranlib=$ranlib 2064 target_strip=$strip 2065 ;; 2066 cross) 2067 target_cc= 2068 if eval test -n "\"\${cross_cc_$target_arch}\""; then 2069 if eval has "\"\${cross_cc_$target_arch}\""; then 2070 eval "target_cc=\"\${cross_cc_$target_arch}\"" 2071 fi 2072 else 2073 compute_target_variable $target_arch target_cc gcc 2074 fi 2075 target_ccas=$target_cc 2076 compute_target_variable $target_arch target_ar ar 2077 compute_target_variable $target_arch target_as as 2078 compute_target_variable $target_arch target_ld ld 2079 compute_target_variable $target_arch target_nm nm 2080 compute_target_variable $target_arch target_objcopy objcopy 2081 compute_target_variable $target_arch target_ranlib ranlib 2082 compute_target_variable $target_arch target_strip strip 2083 ;; 2084 esac 2085 2086 if test -n "$target_cc"; then 2087 case $target_arch in 2088 i386|x86_64) 2089 if $target_cc --version | grep -qi "clang"; then 2090 continue 2091 fi 2092 ;; 2093 esac 2094 elif test -n "$target_as" && test -n "$target_ld"; then 2095 # Special handling for assembler only targets 2096 case $target in 2097 tricore-softmmu) 2098 build_static= 2099 got_cross_cc=yes 2100 break 2101 ;; 2102 *) 2103 continue 2104 ;; 2105 esac 2106 else 2107 continue 2108 fi 2109 2110 write_c_skeleton 2111 case $1 in 2112 *-softmmu) 2113 if do_compiler "$target_cc" $target_cflags -o $TMPO -c $TMPC && 2114 do_compiler "$target_cc" $target_cflags -r -nostdlib -o "${TMPDIR1}/${TMPB}2.o" "$TMPO" -lgcc; then 2115 got_cross_cc=yes 2116 break 2117 fi 2118 ;; 2119 *) 2120 if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC -static ; then 2121 build_static=y 2122 got_cross_cc=yes 2123 break 2124 fi 2125 if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC ; then 2126 build_static= 2127 got_cross_cc=yes 2128 break 2129 fi 2130 ;; 2131 esac 2132 done 2133 if test $got_cross_cc != yes; then 2134 build_static= 2135 target_cc= 2136 target_ccas= 2137 target_ar= 2138 target_as= 2139 target_ld= 2140 target_nm= 2141 target_objcopy= 2142 target_ranlib= 2143 target_strip= 2144 fi 2145 test -n "$target_cc" 2146} 2147 2148write_target_makefile() { 2149 echo "EXTRA_CFLAGS=$target_cflags" 2150 if test -z "$target_cc" && test -z "$target_as"; then 2151 test -z "$container_image" && error_exit "Internal error: could not find cross compiler for $1?" 2152 echo "$1: docker-image-$container_image" >> Makefile.prereqs 2153 if test -n "$container_cross_cc"; then 2154 echo "CC=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --" 2155 echo "CCAS=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --" 2156 fi 2157 echo "AR=$docker_py cc --cc $container_cross_ar -i qemu/$container_image -s $source_path --" 2158 echo "AS=$docker_py cc --cc $container_cross_as -i qemu/$container_image -s $source_path --" 2159 echo "LD=$docker_py cc --cc $container_cross_ld -i qemu/$container_image -s $source_path --" 2160 echo "NM=$docker_py cc --cc $container_cross_nm -i qemu/$container_image -s $source_path --" 2161 echo "OBJCOPY=$docker_py cc --cc $container_cross_objcopy -i qemu/$container_image -s $source_path --" 2162 echo "RANLIB=$docker_py cc --cc $container_cross_ranlib -i qemu/$container_image -s $source_path --" 2163 echo "STRIP=$docker_py cc --cc $container_cross_strip -i qemu/$container_image -s $source_path --" 2164 else 2165 if test -n "$target_cc"; then 2166 echo "CC=$target_cc" 2167 echo "CCAS=$target_ccas" 2168 fi 2169 if test -n "$target_ar"; then 2170 echo "AR=$target_ar" 2171 fi 2172 if test -n "$target_as"; then 2173 echo "AS=$target_as" 2174 fi 2175 if test -n "$target_ld"; then 2176 echo "LD=$target_ld" 2177 fi 2178 if test -n "$target_nm"; then 2179 echo "NM=$target_nm" 2180 fi 2181 if test -n "$target_objcopy"; then 2182 echo "OBJCOPY=$target_objcopy" 2183 fi 2184 if test -n "$target_ranlib"; then 2185 echo "RANLIB=$target_ranlib" 2186 fi 2187 if test -n "$target_strip"; then 2188 echo "STRIP=$target_strip" 2189 fi 2190 fi 2191} 2192 2193########################################## 2194# check for vfio_user_server 2195 2196case "$vfio_user_server" in 2197 enabled ) 2198 if test "$git_submodules_action" != "ignore"; then 2199 git_submodules="${git_submodules} subprojects/libvfio-user" 2200 fi 2201 ;; 2202esac 2203 2204########################################## 2205# End of CC checks 2206# After here, no more $cc or $ld runs 2207 2208write_c_skeleton 2209 2210if test "$fortify_source" = "yes" ; then 2211 QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS" 2212fi 2213 2214if test "$have_asan" = "yes"; then 2215 QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS" 2216 QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS" 2217 if test "$have_asan_iface_h" = "no" ; then 2218 echo "ASAN build enabled, but ASAN header missing." \ 2219 "Without code annotation, the report may be inferior." 2220 elif test "$have_asan_iface_fiber" = "no" ; then 2221 echo "ASAN build enabled, but ASAN header is too old." \ 2222 "Without code annotation, the report may be inferior." 2223 fi 2224fi 2225if test "$have_tsan" = "yes" ; then 2226 if test "$have_tsan_iface_fiber" = "yes" ; then 2227 QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS" 2228 QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS" 2229 else 2230 error_exit "Cannot enable TSAN due to missing fiber annotation interface." 2231 fi 2232elif test "$tsan" = "yes" ; then 2233 error_exit "Cannot enable TSAN due to missing sanitize thread interface." 2234fi 2235if test "$have_ubsan" = "yes"; then 2236 QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS" 2237 QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS" 2238fi 2239 2240########################################## 2241# Guest agent Windows MSI package 2242 2243if test "$QEMU_GA_MANUFACTURER" = ""; then 2244 QEMU_GA_MANUFACTURER=QEMU 2245fi 2246if test "$QEMU_GA_DISTRO" = ""; then 2247 QEMU_GA_DISTRO=Linux 2248fi 2249if test "$QEMU_GA_VERSION" = ""; then 2250 QEMU_GA_VERSION=$(cat "$source_path"/VERSION) 2251fi 2252 2253 2254####################################### 2255# cross-compiled firmware targets 2256 2257# Set up build tree symlinks that point back into the source tree 2258# (these can be both files and directories). 2259# Caution: avoid adding files or directories here using wildcards. This 2260# will result in problems later if a new file matching the wildcard is 2261# added to the source tree -- nothing will cause configure to be rerun 2262# so the build tree will be missing the link back to the new file, and 2263# tests might fail. Prefer to keep the relevant files in their own 2264# directory and symlink the directory instead. 2265LINKS="Makefile" 2266LINKS="$LINKS pc-bios/optionrom/Makefile" 2267LINKS="$LINKS pc-bios/s390-ccw/Makefile" 2268LINKS="$LINKS pc-bios/vof/Makefile" 2269LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit 2270LINKS="$LINKS tests/avocado tests/data" 2271LINKS="$LINKS tests/qemu-iotests/check" 2272LINKS="$LINKS python" 2273LINKS="$LINKS contrib/plugins/Makefile " 2274for f in $LINKS ; do 2275 if [ -e "$source_path/$f" ]; then 2276 mkdir -p "$(dirname ./"$f")" 2277 symlink "$source_path/$f" "$f" 2278 fi 2279done 2280 2281echo "# Automatically generated by configure - do not modify" > Makefile.prereqs 2282 2283# Mac OS X ships with a broken assembler 2284roms= 2285if have_target i386-softmmu x86_64-softmmu && \ 2286 test "$targetos" != "darwin" && test "$targetos" != "sunos" && \ 2287 test "$targetos" != "haiku" && \ 2288 probe_target_compiler i386-softmmu; then 2289 roms="pc-bios/optionrom" 2290 config_mak=pc-bios/optionrom/config.mak 2291 echo "# Automatically generated by configure - do not modify" > $config_mak 2292 echo "TOPSRC_DIR=$source_path" >> $config_mak 2293 write_target_makefile >> $config_mak 2294fi 2295 2296if have_target ppc-softmmu ppc64-softmmu && \ 2297 probe_target_compiler ppc-softmmu; then 2298 roms="$roms pc-bios/vof" 2299 config_mak=pc-bios/vof/config.mak 2300 echo "# Automatically generated by configure - do not modify" > $config_mak 2301 echo "SRC_DIR=$source_path/pc-bios/vof" >> $config_mak 2302 write_target_makefile >> $config_mak 2303fi 2304 2305# Only build s390-ccw bios if the compiler has -march=z900 or -march=z10 2306# (which is the lowest architecture level that Clang supports) 2307if have_target s390x-softmmu && probe_target_compiler s390x-softmmu; then 2308 write_c_skeleton 2309 do_compiler "$target_cc" $target_cc_cflags -march=z900 -o $TMPO -c $TMPC 2310 has_z900=$? 2311 if [ $has_z900 = 0 ] || do_compiler "$target_cc" $target_cc_cflags -march=z10 -msoft-float -Werror -o $TMPO -c $TMPC; then 2312 if [ $has_z900 != 0 ]; then 2313 echo "WARNING: Your compiler does not support the z900!" 2314 echo " The s390-ccw bios will only work with guest CPUs >= z10." 2315 fi 2316 roms="$roms pc-bios/s390-ccw" 2317 config_mak=pc-bios/s390-ccw/config-host.mak 2318 echo "# Automatically generated by configure - do not modify" > $config_mak 2319 echo "SRC_PATH=$source_path/pc-bios/s390-ccw" >> $config_mak 2320 write_target_makefile >> $config_mak 2321 # SLOF is required for building the s390-ccw firmware on s390x, 2322 # since it is using the libnet code from SLOF for network booting. 2323 git_submodules="${git_submodules} roms/SLOF" 2324 fi 2325fi 2326 2327####################################### 2328# generate config-host.mak 2329 2330if ! (GIT="$git" "$source_path/scripts/git-submodule.sh" "$git_submodules_action" "$git_submodules"); then 2331 exit 1 2332fi 2333 2334config_host_mak="config-host.mak" 2335 2336echo "# Automatically generated by configure - do not modify" > $config_host_mak 2337echo >> $config_host_mak 2338 2339echo all: >> $config_host_mak 2340echo "GIT=$git" >> $config_host_mak 2341echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak 2342echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_host_mak 2343 2344if test "$debug_tcg" = "yes" ; then 2345 echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak 2346fi 2347if test "$mingw32" = "yes" ; then 2348 echo "CONFIG_WIN32=y" >> $config_host_mak 2349 echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak 2350 echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak 2351 echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak 2352else 2353 echo "CONFIG_POSIX=y" >> $config_host_mak 2354fi 2355 2356if test "$linux" = "yes" ; then 2357 echo "CONFIG_LINUX=y" >> $config_host_mak 2358fi 2359 2360if test "$darwin" = "yes" ; then 2361 echo "CONFIG_DARWIN=y" >> $config_host_mak 2362fi 2363 2364if test "$solaris" = "yes" ; then 2365 echo "CONFIG_SOLARIS=y" >> $config_host_mak 2366fi 2367if test "$static" = "yes" ; then 2368 echo "CONFIG_STATIC=y" >> $config_host_mak 2369fi 2370echo "SRC_PATH=$source_path" >> $config_host_mak 2371echo "TARGET_DIRS=$target_list" >> $config_host_mak 2372if test "$modules" = "yes"; then 2373 echo "CONFIG_MODULES=y" >> $config_host_mak 2374fi 2375 2376# XXX: suppress that 2377if [ "$bsd" = "yes" ] ; then 2378 echo "CONFIG_BSD=y" >> $config_host_mak 2379fi 2380 2381echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak 2382 2383if test "$have_asan_iface_fiber" = "yes" ; then 2384 echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak 2385fi 2386 2387if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then 2388 echo "CONFIG_TSAN=y" >> $config_host_mak 2389fi 2390 2391if test "$plugins" = "yes" ; then 2392 echo "CONFIG_PLUGIN=y" >> $config_host_mak 2393fi 2394 2395if test -n "$gdb_bin"; then 2396 gdb_version=$($gdb_bin --version | head -n 1) 2397 if version_ge ${gdb_version##* } 9.1; then 2398 echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak 2399 else 2400 gdb_bin="" 2401 fi 2402fi 2403 2404if test "$container" != no; then 2405 echo "ENGINE=$container" >> $config_host_mak 2406fi 2407echo "ROMS=$roms" >> $config_host_mak 2408echo "MAKE=$make" >> $config_host_mak 2409echo "PYTHON=$python" >> $config_host_mak 2410echo "GENISOIMAGE=$genisoimage" >> $config_host_mak 2411echo "MESON=$meson" >> $config_host_mak 2412echo "NINJA=$ninja" >> $config_host_mak 2413echo "CC=$cc" >> $config_host_mak 2414echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak 2415echo "QEMU_OBJCFLAGS=$QEMU_OBJCFLAGS" >> $config_host_mak 2416echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak 2417echo "GLIB_LIBS=$glib_libs" >> $config_host_mak 2418echo "GLIB_BINDIR=$glib_bindir" >> $config_host_mak 2419echo "GLIB_VERSION=$(pkg-config --modversion glib-2.0)" >> $config_host_mak 2420echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak 2421echo "EXESUF=$EXESUF" >> $config_host_mak 2422 2423# use included Linux headers 2424if test "$linux" = "yes" ; then 2425 mkdir -p linux-headers 2426 case "$cpu" in 2427 i386|x86_64) 2428 linux_arch=x86 2429 ;; 2430 ppc|ppc64) 2431 linux_arch=powerpc 2432 ;; 2433 s390x) 2434 linux_arch=s390 2435 ;; 2436 aarch64) 2437 linux_arch=arm64 2438 ;; 2439 loongarch*) 2440 linux_arch=loongarch 2441 ;; 2442 mips64) 2443 linux_arch=mips 2444 ;; 2445 *) 2446 # For most CPUs the kernel architecture name and QEMU CPU name match. 2447 linux_arch="$cpu" 2448 ;; 2449 esac 2450 # For non-KVM architectures we will not have asm headers 2451 if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then 2452 symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm 2453 fi 2454fi 2455 2456for target in $target_list; do 2457 target_dir="$target" 2458 target_name=$(echo $target | cut -d '-' -f 1)$EXESUF 2459 mkdir -p "$target_dir" 2460 case $target in 2461 *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;; 2462 *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;; 2463 esac 2464done 2465 2466if test "$default_targets" = "yes"; then 2467 echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak 2468fi 2469 2470if test "$ccache_cpp2" = "yes"; then 2471 echo "export CCACHE_CPP2=y" >> $config_host_mak 2472fi 2473 2474if test "$safe_stack" = "yes"; then 2475 echo "CONFIG_SAFESTACK=y" >> $config_host_mak 2476fi 2477 2478# tests/tcg configuration 2479(config_host_mak=tests/tcg/config-host.mak 2480mkdir -p tests/tcg 2481echo "# Automatically generated by configure - do not modify" > $config_host_mak 2482echo "SRC_PATH=$source_path" >> $config_host_mak 2483echo "HOST_CC=$host_cc" >> $config_host_mak 2484 2485# versioned checked in the main config_host.mak above 2486if test -n "$gdb_bin"; then 2487 echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak 2488fi 2489if test "$plugins" = "yes" ; then 2490 echo "CONFIG_PLUGIN=y" >> $config_host_mak 2491fi 2492 2493tcg_tests_targets= 2494for target in $target_list; do 2495 arch=${target%%-*} 2496 2497 case $target in 2498 xtensa*-linux-user) 2499 # the toolchain is not complete with headers, only build softmmu tests 2500 continue 2501 ;; 2502 *-softmmu) 2503 test -f "$source_path/tests/tcg/$arch/Makefile.softmmu-target" || continue 2504 qemu="qemu-system-$arch" 2505 ;; 2506 *-linux-user|*-bsd-user) 2507 qemu="qemu-$arch" 2508 ;; 2509 esac 2510 2511 if probe_target_compiler $target || test -n "$container_image"; then 2512 test -n "$container_image" && build_static=y 2513 mkdir -p "tests/tcg/$target" 2514 config_target_mak=tests/tcg/$target/config-target.mak 2515 ln -sf "$source_path/tests/tcg/Makefile.target" "tests/tcg/$target/Makefile" 2516 echo "# Automatically generated by configure - do not modify" > "$config_target_mak" 2517 echo "TARGET_NAME=$arch" >> "$config_target_mak" 2518 echo "TARGET=$target" >> "$config_target_mak" 2519 write_target_makefile "build-tcg-tests-$target" >> "$config_target_mak" 2520 echo "BUILD_STATIC=$build_static" >> "$config_target_mak" 2521 echo "QEMU=$PWD/$qemu" >> "$config_target_mak" 2522 echo "run-tcg-tests-$target: $qemu\$(EXESUF)" >> Makefile.prereqs 2523 tcg_tests_targets="$tcg_tests_targets $target" 2524 fi 2525done 2526echo "TCG_TESTS_TARGETS=$tcg_tests_targets" >> config-host.mak) 2527 2528if test "$skip_meson" = no; then 2529 cross="config-meson.cross.new" 2530 meson_quote() { 2531 test $# = 0 && return 2532 echo "'$(echo $* | sed "s/ /','/g")'" 2533 } 2534 2535 echo "# Automatically generated by configure - do not modify" > $cross 2536 echo "[properties]" >> $cross 2537 2538 # unroll any custom device configs 2539 for a in $device_archs; do 2540 eval "c=\$devices_${a}" 2541 echo "${a}-softmmu = '$c'" >> $cross 2542 done 2543 2544 echo "[built-in options]" >> $cross 2545 echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross 2546 echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross 2547 test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross 2548 echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross 2549 echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross 2550 echo "[binaries]" >> $cross 2551 echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross 2552 test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross 2553 test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross 2554 echo "ar = [$(meson_quote $ar)]" >> $cross 2555 echo "nm = [$(meson_quote $nm)]" >> $cross 2556 echo "pkgconfig = [$(meson_quote $pkg_config_exe)]" >> $cross 2557 echo "ranlib = [$(meson_quote $ranlib)]" >> $cross 2558 if has $sdl2_config; then 2559 echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross 2560 fi 2561 echo "strip = [$(meson_quote $strip)]" >> $cross 2562 echo "widl = [$(meson_quote $widl)]" >> $cross 2563 echo "windres = [$(meson_quote $windres)]" >> $cross 2564 echo "windmc = [$(meson_quote $windmc)]" >> $cross 2565 if test "$cross_compile" = "yes"; then 2566 cross_arg="--cross-file config-meson.cross" 2567 echo "[host_machine]" >> $cross 2568 echo "system = '$targetos'" >> $cross 2569 case "$cpu" in 2570 i386) 2571 echo "cpu_family = 'x86'" >> $cross 2572 ;; 2573 *) 2574 echo "cpu_family = '$cpu'" >> $cross 2575 ;; 2576 esac 2577 echo "cpu = '$cpu'" >> $cross 2578 if test "$bigendian" = "yes" ; then 2579 echo "endian = 'big'" >> $cross 2580 else 2581 echo "endian = 'little'" >> $cross 2582 fi 2583 else 2584 cross_arg="--native-file config-meson.cross" 2585 fi 2586 mv $cross config-meson.cross 2587 2588 rm -rf meson-private meson-info meson-logs 2589 2590 # Built-in options 2591 test "$bindir" != "bin" && meson_option_add "-Dbindir=$bindir" 2592 test "$default_feature" = no && meson_option_add -Dauto_features=disabled 2593 test "$pie" = no && meson_option_add -Db_pie=false 2594 test "$werror" = yes && meson_option_add -Dwerror=true 2595 2596 # QEMU options 2597 test "$cfi" != false && meson_option_add "-Dcfi=$cfi" 2598 test "$fdt" != auto && meson_option_add "-Dfdt=$fdt" 2599 test -n "${LIB_FUZZING_ENGINE+xxx}" && meson_option_add "-Dfuzzing_engine=$LIB_FUZZING_ENGINE" 2600 test "$qemu_suffix" != qemu && meson_option_add "-Dqemu_suffix=$qemu_suffix" 2601 test "$smbd" != '' && meson_option_add "-Dsmbd=$smbd" 2602 test "$tcg" != enabled && meson_option_add "-Dtcg=$tcg" 2603 test "$vfio_user_server" != auto && meson_option_add "-Dvfio_user_server=$vfio_user_server" 2604 run_meson() { 2605 NINJA=$ninja $meson setup --prefix "$prefix" "$@" $cross_arg "$PWD" "$source_path" 2606 } 2607 eval run_meson $meson_options 2608 if test "$?" -ne 0 ; then 2609 error_exit "meson setup failed" 2610 fi 2611else 2612 if test -f meson-private/cmd_line.txt; then 2613 # Adjust old command line options whose type was changed 2614 # Avoids having to use "setup --wipe" when Meson is upgraded 2615 perl -i -ne ' 2616 s/^gettext = true$/gettext = auto/; 2617 s/^gettext = false$/gettext = disabled/; 2618 /^b_staticpic/ && next; 2619 print;' meson-private/cmd_line.txt 2620 fi 2621fi 2622 2623# Save the configure command line for later reuse. 2624cat <<EOD >config.status 2625#!/bin/sh 2626# Generated by configure. 2627# Run this file to recreate the current configuration. 2628# Compiler output produced by configure, useful for debugging 2629# configure, is in config.log if it exists. 2630EOD 2631 2632preserve_env() { 2633 envname=$1 2634 2635 eval envval=\$$envname 2636 2637 if test -n "$envval" 2638 then 2639 echo "$envname='$envval'" >> config.status 2640 echo "export $envname" >> config.status 2641 else 2642 echo "unset $envname" >> config.status 2643 fi 2644} 2645 2646# Preserve various env variables that influence what 2647# features/build target configure will detect 2648preserve_env AR 2649preserve_env AS 2650preserve_env CC 2651preserve_env CFLAGS 2652preserve_env CXX 2653preserve_env CXXFLAGS 2654preserve_env LD 2655preserve_env LDFLAGS 2656preserve_env LD_LIBRARY_PATH 2657preserve_env MAKE 2658preserve_env NM 2659preserve_env OBJCFLAGS 2660preserve_env OBJCOPY 2661preserve_env PATH 2662preserve_env PKG_CONFIG 2663preserve_env PKG_CONFIG_LIBDIR 2664preserve_env PKG_CONFIG_PATH 2665preserve_env PYTHON 2666preserve_env SDL2_CONFIG 2667preserve_env SMBD 2668preserve_env STRIP 2669preserve_env WIDL 2670preserve_env WINDRES 2671preserve_env WINDMC 2672 2673printf "exec" >>config.status 2674for i in "$0" "$@"; do 2675 test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status 2676done 2677echo ' "$@"' >>config.status 2678chmod +x config.status 2679 2680rm -r "$TMPDIR1" 2681