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 86printf " '%s'" "$0" "$@" >> config.log 87echo >> config.log 88echo "#" >> config.log 89 90quote_sh() { 91 printf "%s" "$1" | sed "s,','\\\\'',g; s,.*,'&'," 92} 93 94print_error() { 95 (echo 96 echo "ERROR: $1" 97 while test -n "$2"; do 98 echo " $2" 99 shift 100 done 101 echo) >&2 102} 103 104error_exit() { 105 print_error "$@" 106 exit 1 107} 108 109do_compiler() { 110 # Run the compiler, capturing its output to the log. First argument 111 # is compiler binary to execute. 112 compiler="$1" 113 shift 114 if test -n "$BASH_VERSION"; then eval ' 115 echo >>config.log " 116funcs: ${FUNCNAME[*]} 117lines: ${BASH_LINENO[*]}" 118 '; fi 119 echo $compiler "$@" >> config.log 120 $compiler "$@" >> config.log 2>&1 || return $? 121} 122 123do_compiler_werror() { 124 # Run the compiler, capturing its output to the log. First argument 125 # is compiler binary to execute. 126 compiler="$1" 127 shift 128 if test -n "$BASH_VERSION"; then eval ' 129 echo >>config.log " 130funcs: ${FUNCNAME[*]} 131lines: ${BASH_LINENO[*]}" 132 '; fi 133 echo $compiler "$@" >> config.log 134 $compiler "$@" >> config.log 2>&1 || return $? 135 # Test passed. If this is an --enable-werror build, rerun 136 # the test with -Werror and bail out if it fails. This 137 # makes warning-generating-errors in configure test code 138 # obvious to developers. 139 if test "$werror" != "yes"; then 140 return 0 141 fi 142 # Don't bother rerunning the compile if we were already using -Werror 143 case "$*" in 144 *-Werror*) 145 return 0 146 ;; 147 esac 148 echo $compiler -Werror "$@" >> config.log 149 $compiler -Werror "$@" >> config.log 2>&1 && return $? 150 error_exit "configure test passed without -Werror but failed with -Werror." \ 151 "This is probably a bug in the configure script. The failing command" \ 152 "will be at the bottom of config.log." \ 153 "You can run configure with --disable-werror to bypass this check." 154} 155 156do_cc() { 157 do_compiler_werror "$cc" $CPU_CFLAGS "$@" 158} 159 160do_objc() { 161 do_compiler_werror "$objcc" $CPU_CFLAGS "$@" 162} 163 164# Append $2 to the variable named $1, with space separation 165add_to() { 166 eval $1=\${$1:+\"\$$1 \"}\$2 167} 168 169compile_object() { 170 local_cflags="$1" 171 do_cc $CFLAGS $EXTRA_CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC 172} 173 174compile_prog() { 175 local_cflags="$1" 176 local_ldflags="$2" 177 do_cc $CFLAGS $EXTRA_CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC \ 178 $LDFLAGS $EXTRA_LDFLAGS $CONFIGURE_LDFLAGS $QEMU_LDFLAGS $local_ldflags 179} 180 181# symbolically link $1 to $2. Portable version of "ln -sf". 182symlink() { 183 rm -rf "$2" 184 mkdir -p "$(dirname "$2")" 185 ln -s "$1" "$2" 186} 187 188# check whether a command is available to this shell (may be either an 189# executable or a builtin) 190has() { 191 type "$1" >/dev/null 2>&1 192} 193 194version_ge () { 195 local_ver1=$(expr "$1" : '\([0-9.]*\)' | tr . ' ') 196 local_ver2=$(echo "$2" | tr . ' ') 197 while true; do 198 set x $local_ver1 199 local_first=${2-0} 200 # 'shift 2' if $2 is set, or 'shift' if $2 is not set 201 shift ${2:+2} 202 local_ver1=$* 203 set x $local_ver2 204 # the second argument finished, the first must be greater or equal 205 test $# = 1 && return 0 206 test $local_first -lt $2 && return 1 207 test $local_first -gt $2 && return 0 208 shift ${2:+2} 209 local_ver2=$* 210 done 211} 212 213glob() { 214 eval test -z '"${1#'"$2"'}"' 215} 216 217if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]"; 218then 219 error_exit "main directory cannot contain spaces nor colons" 220fi 221 222# default parameters 223cpu="" 224static="no" 225cross_compile="no" 226cross_prefix="" 227host_cc="cc" 228stack_protector="" 229safe_stack="" 230use_containers="yes" 231gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb") 232 233if test -e "$source_path/.git" 234then 235 git_submodules_action="update" 236else 237 git_submodules_action="ignore" 238fi 239 240git_submodules="ui/keycodemapdb" 241git="git" 242 243# Don't accept a target_list environment variable. 244unset target_list 245unset target_list_exclude 246 247# Default value for a variable defining feature "foo". 248# * foo="no" feature will only be used if --enable-foo arg is given 249# * foo="" feature will be searched for, and if found, will be used 250# unless --disable-foo is given 251# * foo="yes" this value will only be set by --enable-foo flag. 252# feature will searched for, 253# if not found, configure exits with error 254# 255# Always add --enable-foo and --disable-foo command line args. 256# Distributions want to ensure that several features are compiled in, and it 257# is impossible without a --enable-foo that exits if a feature is not found. 258 259default_feature="" 260# parse CC options second 261for opt do 262 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 263 case "$opt" in 264 --without-default-features) 265 default_feature="no" 266 ;; 267 esac 268done 269 270EXTRA_CFLAGS="" 271EXTRA_CXXFLAGS="" 272EXTRA_OBJCFLAGS="" 273EXTRA_LDFLAGS="" 274 275debug_tcg="no" 276sanitizers="no" 277tsan="no" 278fortify_source="yes" 279EXESUF="" 280modules="no" 281prefix="/usr/local" 282qemu_suffix="qemu" 283softmmu="yes" 284linux_user="" 285bsd_user="" 286pie="" 287coroutine="" 288plugins="$default_feature" 289meson="" 290ninja="" 291bindir="bin" 292skip_meson=no 293vfio_user_server="disabled" 294 295# The following Meson options are handled manually (still they 296# are included in the automatically generated help message) 297 298# 1. Track which submodules are needed 299fdt="auto" 300 301# 2. Automatically enable/disable other options 302tcg="auto" 303cfi="false" 304 305# parse CC options second 306for opt do 307 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 308 case "$opt" in 309 --cross-prefix=*) cross_prefix="$optarg" 310 cross_compile="yes" 311 ;; 312 --cc=*) CC="$optarg" 313 ;; 314 --cxx=*) CXX="$optarg" 315 ;; 316 --cpu=*) cpu="$optarg" 317 ;; 318 --extra-cflags=*) 319 EXTRA_CFLAGS="$EXTRA_CFLAGS $optarg" 320 EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg" 321 EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg" 322 ;; 323 --extra-cxxflags=*) EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg" 324 ;; 325 --extra-objcflags=*) EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg" 326 ;; 327 --extra-ldflags=*) EXTRA_LDFLAGS="$EXTRA_LDFLAGS $optarg" 328 ;; 329 --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option" 330 ;; 331 --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-cflags-}; cc_arch=${cc_arch%%=*} 332 eval "cross_cc_cflags_${cc_arch}=\$optarg" 333 ;; 334 --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*} 335 eval "cross_cc_${cc_arch}=\$optarg" 336 ;; 337 --cross-prefix-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-prefix-FOO option" 338 ;; 339 --cross-prefix-*) cc_arch=${opt#--cross-prefix-}; cc_arch=${cc_arch%%=*} 340 eval "cross_prefix_${cc_arch}=\$optarg" 341 ;; 342 esac 343done 344# OS specific 345# Using uname is really, really broken. Once we have the right set of checks 346# we can eliminate its usage altogether. 347 348# Preferred compiler: 349# ${CC} (if set) 350# ${cross_prefix}gcc (if cross-prefix specified) 351# system compiler 352if test -z "${CC}${cross_prefix}"; then 353 cc="$host_cc" 354else 355 cc="${CC-${cross_prefix}gcc}" 356fi 357 358if test -z "${CXX}${cross_prefix}"; then 359 cxx="c++" 360else 361 cxx="${CXX-${cross_prefix}g++}" 362fi 363 364ar="${AR-${cross_prefix}ar}" 365as="${AS-${cross_prefix}as}" 366ccas="${CCAS-$cc}" 367objcopy="${OBJCOPY-${cross_prefix}objcopy}" 368ld="${LD-${cross_prefix}ld}" 369ranlib="${RANLIB-${cross_prefix}ranlib}" 370nm="${NM-${cross_prefix}nm}" 371smbd="$SMBD" 372strip="${STRIP-${cross_prefix}strip}" 373widl="${WIDL-${cross_prefix}widl}" 374windres="${WINDRES-${cross_prefix}windres}" 375pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}" 376query_pkg_config() { 377 "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@" 378} 379pkg_config=query_pkg_config 380sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}" 381 382# default flags for all hosts 383# We use -fwrapv to tell the compiler that we require a C dialect where 384# left shift of signed integers is well defined and has the expected 385# 2s-complement style results. (Both clang and gcc agree that it 386# provides these semantics.) 387QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv" 388QEMU_CFLAGS="-Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS" 389QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS" 390QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS" 391 392QEMU_LDFLAGS= 393 394# Flags that are needed during configure but later taken care of by Meson 395CONFIGURE_CFLAGS="-std=gnu11 -Wall" 396CONFIGURE_LDFLAGS= 397 398 399check_define() { 400cat > $TMPC <<EOF 401#if !defined($1) 402#error $1 not defined 403#endif 404int main(void) { return 0; } 405EOF 406 compile_object 407} 408 409check_include() { 410cat > $TMPC <<EOF 411#include <$1> 412int main(void) { return 0; } 413EOF 414 compile_object 415} 416 417write_c_skeleton() { 418 cat > $TMPC <<EOF 419int main(void) { return 0; } 420EOF 421} 422 423if check_define __linux__ ; then 424 targetos=linux 425elif check_define _WIN32 ; then 426 targetos=windows 427elif check_define __OpenBSD__ ; then 428 targetos=openbsd 429elif check_define __sun__ ; then 430 targetos=sunos 431elif check_define __HAIKU__ ; then 432 targetos=haiku 433elif check_define __FreeBSD__ ; then 434 targetos=freebsd 435elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then 436 targetos=gnu/kfreebsd 437elif check_define __DragonFly__ ; then 438 targetos=dragonfly 439elif check_define __NetBSD__; then 440 targetos=netbsd 441elif check_define __APPLE__; then 442 targetos=darwin 443else 444 # This is a fatal error, but don't report it yet, because we 445 # might be going to just print the --help text, or it might 446 # be the result of a missing compiler. 447 targetos=bogus 448fi 449 450# OS specific 451 452mingw32="no" 453bsd="no" 454linux="no" 455solaris="no" 456case $targetos in 457windows) 458 mingw32="yes" 459 plugins="no" 460 pie="no" 461;; 462gnu/kfreebsd) 463 bsd="yes" 464;; 465freebsd) 466 bsd="yes" 467 make="${MAKE-gmake}" 468 # needed for kinfo_getvmmap(3) in libutil.h 469;; 470dragonfly) 471 bsd="yes" 472 make="${MAKE-gmake}" 473;; 474netbsd) 475 bsd="yes" 476 make="${MAKE-gmake}" 477;; 478openbsd) 479 bsd="yes" 480 make="${MAKE-gmake}" 481;; 482darwin) 483 bsd="yes" 484 darwin="yes" 485 # Disable attempts to use ObjectiveC features in os/object.h since they 486 # won't work when we're compiling with gcc as a C compiler. 487 QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS" 488;; 489sunos) 490 solaris="yes" 491 make="${MAKE-gmake}" 492# needed for CMSG_ macros in sys/socket.h 493 QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS" 494# needed for TIOCWIN* defines in termios.h 495 QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS" 496 # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo 497 # Note that this check is broken for cross-compilation: if you're 498 # cross-compiling to one of these OSes then you'll need to specify 499 # the correct CPU with the --cpu option. 500 if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then 501 cpu="x86_64" 502 fi 503;; 504haiku) 505 pie="no" 506 QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -D_BSD_SOURCE -fPIC $QEMU_CFLAGS" 507;; 508linux) 509 linux="yes" 510;; 511esac 512 513if test ! -z "$cpu" ; then 514 # command line argument 515 : 516elif check_define __i386__ ; then 517 cpu="i386" 518elif check_define __x86_64__ ; then 519 if check_define __ILP32__ ; then 520 cpu="x32" 521 else 522 cpu="x86_64" 523 fi 524elif check_define __sparc__ ; then 525 if check_define __arch64__ ; then 526 cpu="sparc64" 527 else 528 cpu="sparc" 529 fi 530elif check_define _ARCH_PPC ; then 531 if check_define _ARCH_PPC64 ; then 532 if check_define _LITTLE_ENDIAN ; then 533 cpu="ppc64le" 534 else 535 cpu="ppc64" 536 fi 537 else 538 cpu="ppc" 539 fi 540elif check_define __mips__ ; then 541 cpu="mips" 542elif check_define __s390__ ; then 543 if check_define __s390x__ ; then 544 cpu="s390x" 545 else 546 cpu="s390" 547 fi 548elif check_define __riscv ; then 549 cpu="riscv" 550elif check_define __arm__ ; then 551 cpu="arm" 552elif check_define __aarch64__ ; then 553 cpu="aarch64" 554elif check_define __loongarch64 ; then 555 cpu="loongarch64" 556else 557 cpu=$(uname -m) 558fi 559 560# Normalise host CPU name, set multilib cflags 561# Note that this case should only have supported host CPUs, not guests. 562case "$cpu" in 563 armv*b|armv*l|arm) 564 cpu="arm" ;; 565 566 i386|i486|i586|i686|i86pc|BePC) 567 cpu="i386" 568 CPU_CFLAGS="-m32" ;; 569 x32) 570 cpu="x86_64" 571 CPU_CFLAGS="-mx32" ;; 572 x86_64|amd64) 573 cpu="x86_64" 574 # ??? Only extremely old AMD cpus do not have cmpxchg16b. 575 # If we truly care, we should simply detect this case at 576 # runtime and generate the fallback to serial emulation. 577 CPU_CFLAGS="-m64 -mcx16" ;; 578 579 mips*) 580 cpu="mips" ;; 581 582 ppc) 583 CPU_CFLAGS="-m32" ;; 584 ppc64) 585 CPU_CFLAGS="-m64 -mbig-endian" ;; 586 ppc64le) 587 cpu="ppc64" 588 CPU_CFLAGS="-m64 -mlittle-endian" ;; 589 590 s390) 591 CPU_CFLAGS="-m31" ;; 592 s390x) 593 CPU_CFLAGS="-m64" ;; 594 595 sparc|sun4[cdmuv]) 596 cpu="sparc" 597 CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc" ;; 598 sparc64) 599 CPU_CFLAGS="-m64 -mcpu=ultrasparc" ;; 600esac 601 602: ${make=${MAKE-make}} 603 604# We prefer python 3.x. A bare 'python' is traditionally 605# python 2.x, but some distros have it as python 3.x, so 606# we check that too 607python= 608explicit_python=no 609for binary in "${PYTHON-python3}" python 610do 611 if has "$binary" 612 then 613 python=$(command -v "$binary") 614 break 615 fi 616done 617 618 619# Check for ancillary tools used in testing 620genisoimage= 621for binary in genisoimage mkisofs 622do 623 if has $binary 624 then 625 genisoimage=$(command -v "$binary") 626 break 627 fi 628done 629 630# Default objcc to clang if available, otherwise use CC 631if has clang; then 632 objcc=clang 633else 634 objcc="$cc" 635fi 636 637if test "$mingw32" = "yes" ; then 638 EXESUF=".exe" 639 # MinGW needs -mthreads for TLS and macro _MT. 640 CONFIGURE_CFLAGS="-mthreads $CONFIGURE_CFLAGS" 641 write_c_skeleton; 642 prefix="/qemu" 643 bindir="" 644 qemu_suffix="" 645fi 646 647werror="" 648 649meson_option_build_array() { 650 printf '[' 651 (if test "$targetos" = windows; then 652 IFS=\; 653 else 654 IFS=: 655 fi 656 for e in $1; do 657 printf '"""' 658 # backslash escape any '\' and '"' characters 659 printf "%s" "$e" | sed -e 's/\([\"]\)/\\\1/g' 660 printf '""",' 661 done) 662 printf ']\n' 663} 664 665. "$source_path/scripts/meson-buildoptions.sh" 666 667meson_options= 668meson_option_add() { 669 meson_options="$meson_options $(quote_sh "$1")" 670} 671meson_option_parse() { 672 meson_options="$meson_options $(_meson_option_parse "$@")" 673 if test $? -eq 1; then 674 echo "ERROR: unknown option $1" 675 echo "Try '$0 --help' for more information" 676 exit 1 677 fi 678} 679 680for opt do 681 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 682 case "$opt" in 683 --help|-h) show_help=yes 684 ;; 685 --version|-V) exec cat "$source_path/VERSION" 686 ;; 687 --prefix=*) prefix="$optarg" 688 ;; 689 --cross-prefix=*) 690 ;; 691 --cc=*) 692 ;; 693 --host-cc=*) host_cc="$optarg" 694 ;; 695 --cxx=*) 696 ;; 697 --objcc=*) objcc="$optarg" 698 ;; 699 --make=*) make="$optarg" 700 ;; 701 --install=*) 702 ;; 703 --python=*) python="$optarg" ; explicit_python=yes 704 ;; 705 --skip-meson) skip_meson=yes 706 ;; 707 --meson=*) meson="$optarg" 708 ;; 709 --ninja=*) ninja="$optarg" 710 ;; 711 --smbd=*) smbd="$optarg" 712 ;; 713 --extra-cflags=*) 714 ;; 715 --extra-cxxflags=*) 716 ;; 717 --extra-objcflags=*) 718 ;; 719 --extra-ldflags=*) 720 ;; 721 --cross-cc-*) 722 ;; 723 --cross-prefix-*) 724 ;; 725 --enable-debug-info) meson_option_add -Ddebug=true 726 ;; 727 --disable-debug-info) meson_option_add -Ddebug=false 728 ;; 729 --enable-modules) 730 modules="yes" 731 ;; 732 --disable-modules) 733 modules="no" 734 ;; 735 --cpu=*) 736 ;; 737 --target-list=*) target_list="$optarg" 738 if test "$target_list_exclude"; then 739 error_exit "Can't mix --target-list with --target-list-exclude" 740 fi 741 ;; 742 --target-list-exclude=*) target_list_exclude="$optarg" 743 if test "$target_list"; then 744 error_exit "Can't mix --target-list-exclude with --target-list" 745 fi 746 ;; 747 --with-default-devices) meson_option_add -Ddefault_devices=true 748 ;; 749 --without-default-devices) meson_option_add -Ddefault_devices=false 750 ;; 751 --with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option" 752 ;; 753 --with-devices-*) device_arch=${opt#--with-devices-}; 754 device_arch=${device_arch%%=*} 755 cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak 756 if test -f "$cf"; then 757 device_archs="$device_archs $device_arch" 758 eval "devices_${device_arch}=\$optarg" 759 else 760 error_exit "File $cf does not exist" 761 fi 762 ;; 763 --without-default-features) # processed above 764 ;; 765 --static) 766 static="yes" 767 QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS" 768 ;; 769 --bindir=*) bindir="$optarg" 770 ;; 771 --with-suffix=*) qemu_suffix="$optarg" 772 ;; 773 --host=*|--build=*|\ 774 --disable-dependency-tracking|\ 775 --sbindir=*|--sharedstatedir=*|\ 776 --oldincludedir=*|--datarootdir=*|--infodir=*|\ 777 --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*) 778 # These switches are silently ignored, for compatibility with 779 # autoconf-generated configure scripts. This allows QEMU's 780 # configure to be used by RPM and similar macros that set 781 # lots of directory switches by default. 782 ;; 783 --enable-debug-tcg) debug_tcg="yes" 784 ;; 785 --disable-debug-tcg) debug_tcg="no" 786 ;; 787 --enable-debug) 788 # Enable debugging options that aren't excessively noisy 789 debug_tcg="yes" 790 meson_option_parse --enable-debug-mutex "" 791 meson_option_add -Doptimization=0 792 fortify_source="no" 793 ;; 794 --enable-sanitizers) sanitizers="yes" 795 ;; 796 --disable-sanitizers) sanitizers="no" 797 ;; 798 --enable-tsan) tsan="yes" 799 ;; 800 --disable-tsan) tsan="no" 801 ;; 802 --disable-tcg) tcg="disabled" 803 plugins="no" 804 ;; 805 --enable-tcg) tcg="enabled" 806 ;; 807 --disable-system) softmmu="no" 808 ;; 809 --enable-system) softmmu="yes" 810 ;; 811 --disable-user) 812 linux_user="no" ; 813 bsd_user="no" ; 814 ;; 815 --enable-user) ;; 816 --disable-linux-user) linux_user="no" 817 ;; 818 --enable-linux-user) linux_user="yes" 819 ;; 820 --disable-bsd-user) bsd_user="no" 821 ;; 822 --enable-bsd-user) bsd_user="yes" 823 ;; 824 --enable-pie) pie="yes" 825 ;; 826 --disable-pie) pie="no" 827 ;; 828 --enable-werror) werror="yes" 829 ;; 830 --disable-werror) werror="no" 831 ;; 832 --enable-stack-protector) stack_protector="yes" 833 ;; 834 --disable-stack-protector) stack_protector="no" 835 ;; 836 --enable-safe-stack) safe_stack="yes" 837 ;; 838 --disable-safe-stack) safe_stack="no" 839 ;; 840 --enable-cfi) 841 cfi="true"; 842 meson_option_add -Db_lto=true 843 ;; 844 --disable-cfi) cfi="false" 845 ;; 846 --disable-fdt) fdt="disabled" 847 ;; 848 --enable-fdt) fdt="enabled" 849 ;; 850 --enable-fdt=git) fdt="internal" 851 ;; 852 --enable-fdt=*) fdt="$optarg" 853 ;; 854 --with-coroutine=*) coroutine="$optarg" 855 ;; 856 --disable-zlib-test) 857 ;; 858 --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane) 859 echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2 860 ;; 861 --enable-vhdx|--disable-vhdx) 862 echo "$0: $opt is obsolete, VHDX driver is always built" >&2 863 ;; 864 --enable-uuid|--disable-uuid) 865 echo "$0: $opt is obsolete, UUID support is always built" >&2 866 ;; 867 --with-git=*) git="$optarg" 868 ;; 869 --with-git-submodules=*) 870 git_submodules_action="$optarg" 871 ;; 872 --enable-plugins) if test "$mingw32" = "yes"; then 873 error_exit "TCG plugins not currently supported on Windows platforms" 874 else 875 plugins="yes" 876 fi 877 ;; 878 --disable-plugins) plugins="no" 879 ;; 880 --enable-containers) use_containers="yes" 881 ;; 882 --disable-containers) use_containers="no" 883 ;; 884 --gdb=*) gdb_bin="$optarg" 885 ;; 886 # backwards compatibility options 887 --enable-trace-backend=*) meson_option_parse "--enable-trace-backends=$optarg" "$optarg" 888 ;; 889 --disable-blobs) meson_option_parse --disable-install-blobs "" 890 ;; 891 --enable-vfio-user-server) vfio_user_server="enabled" 892 ;; 893 --disable-vfio-user-server) vfio_user_server="disabled" 894 ;; 895 --enable-tcmalloc) meson_option_parse --enable-malloc=tcmalloc tcmalloc 896 ;; 897 --enable-jemalloc) meson_option_parse --enable-malloc=jemalloc jemalloc 898 ;; 899 # everything else has the same name in configure and meson 900 --*) meson_option_parse "$opt" "$optarg" 901 ;; 902 esac 903done 904 905# test for any invalid configuration combinations 906if test "$plugins" = "yes" -a "$tcg" = "disabled"; then 907 error_exit "Can't enable plugins on non-TCG builds" 908fi 909 910case $git_submodules_action in 911 update|validate) 912 if test ! -e "$source_path/.git"; then 913 echo "ERROR: cannot $git_submodules_action git submodules without .git" 914 exit 1 915 fi 916 ;; 917 ignore) 918 if ! test -f "$source_path/ui/keycodemapdb/README" 919 then 920 echo 921 echo "ERROR: missing GIT submodules" 922 echo 923 if test -e "$source_path/.git"; then 924 echo "--with-git-submodules=ignore specified but submodules were not" 925 echo "checked out. Please initialize and update submodules." 926 else 927 echo "This is not a GIT checkout but module content appears to" 928 echo "be missing. Do not use 'git archive' or GitHub download links" 929 echo "to acquire QEMU source archives. Non-GIT builds are only" 930 echo "supported with source archives linked from:" 931 echo 932 echo " https://www.qemu.org/download/#source" 933 echo 934 echo "Developers working with GIT can use scripts/archive-source.sh" 935 echo "if they need to create valid source archives." 936 fi 937 echo 938 exit 1 939 fi 940 ;; 941 *) 942 echo "ERROR: invalid --with-git-submodules= value '$git_submodules_action'" 943 exit 1 944 ;; 945esac 946 947default_target_list="" 948mak_wilds="" 949 950if [ "$linux_user" != no ]; then 951 if [ "$targetos" = linux ] && [ -d "$source_path/linux-user/include/host/$cpu" ]; then 952 linux_user=yes 953 elif [ "$linux_user" = yes ]; then 954 error_exit "linux-user not supported on this architecture" 955 fi 956fi 957if [ "$bsd_user" != no ]; then 958 if [ "$bsd_user" = "" ]; then 959 test $targetos = freebsd && bsd_user=yes 960 fi 961 if [ "$bsd_user" = yes ] && ! [ -d "$source_path/bsd-user/$targetos" ]; then 962 error_exit "bsd-user not supported on this host OS" 963 fi 964fi 965if [ "$softmmu" = "yes" ]; then 966 mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak" 967fi 968if [ "$linux_user" = "yes" ]; then 969 mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak" 970fi 971if [ "$bsd_user" = "yes" ]; then 972 mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak" 973fi 974 975for config in $mak_wilds; do 976 target="$(basename "$config" .mak)" 977 if echo "$target_list_exclude" | grep -vq "$target"; then 978 default_target_list="${default_target_list} $target" 979 fi 980done 981 982if test x"$show_help" = x"yes" ; then 983cat << EOF 984 985Usage: configure [options] 986Options: [defaults in brackets after descriptions] 987 988Standard options: 989 --help print this message 990 --prefix=PREFIX install in PREFIX [$prefix] 991 --target-list=LIST set target list (default: build all) 992$(echo Available targets: $default_target_list | \ 993 fold -s -w 53 | sed -e 's/^/ /') 994 --target-list-exclude=LIST exclude a set of targets from the default target-list 995 996Advanced options (experts only): 997 --cross-prefix=PREFIX use PREFIX for compile tools, PREFIX can be blank [$cross_prefix] 998 --cc=CC use C compiler CC [$cc] 999 --host-cc=CC use C compiler CC [$host_cc] for code run at 1000 build time 1001 --cxx=CXX use C++ compiler CXX [$cxx] 1002 --objcc=OBJCC use Objective-C compiler OBJCC [$objcc] 1003 --extra-cflags=CFLAGS append extra C compiler flags CFLAGS 1004 --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS 1005 --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS 1006 --extra-ldflags=LDFLAGS append extra linker flags LDFLAGS 1007 --cross-cc-ARCH=CC use compiler when building ARCH guest test cases 1008 --cross-cc-cflags-ARCH= use compiler flags when building ARCH guest tests 1009 --cross-prefix-ARCH=PREFIX cross compiler prefix when building ARCH guest test cases 1010 --make=MAKE use specified make [$make] 1011 --python=PYTHON use specified python [$python] 1012 --meson=MESON use specified meson [$meson] 1013 --ninja=NINJA use specified ninja [$ninja] 1014 --smbd=SMBD use specified smbd [$smbd] 1015 --with-git=GIT use specified git [$git] 1016 --with-git-submodules=update update git submodules (default if .git dir exists) 1017 --with-git-submodules=validate fail if git submodules are not up to date 1018 --with-git-submodules=ignore do not update or check git submodules (default if no .git dir) 1019 --static enable static build [$static] 1020 --bindir=PATH install binaries in PATH 1021 --with-suffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix] 1022 --without-default-features default all --enable-* options to "disabled" 1023 --without-default-devices do not include any device that is not needed to 1024 start the emulator (only use if you are including 1025 desired devices in configs/devices/) 1026 --with-devices-ARCH=NAME override default configs/devices 1027 --enable-debug enable common debug build options 1028 --enable-sanitizers enable default sanitizers 1029 --enable-tsan enable thread sanitizer 1030 --disable-werror disable compilation abort on warning 1031 --disable-stack-protector disable compiler-provided stack protection 1032 --cpu=CPU Build for host CPU [$cpu] 1033 --with-coroutine=BACKEND coroutine backend. Supported options: 1034 ucontext, sigaltstack, windows 1035 --enable-plugins 1036 enable plugins via shared library loading 1037 --disable-containers don't use containers for cross-building 1038 --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin] 1039EOF 1040 meson_options_help 1041cat << EOF 1042 system all system emulation targets 1043 user supported user emulation targets 1044 linux-user all linux usermode emulation targets 1045 bsd-user all BSD usermode emulation targets 1046 pie Position Independent Executables 1047 modules modules support (non-Windows) 1048 debug-tcg TCG debugging (default is disabled) 1049 debug-info debugging information 1050 safe-stack SafeStack Stack Smash Protection. Depends on 1051 clang/llvm >= 3.7 and requires coroutine backend ucontext. 1052 1053NOTE: The object files are built at the place where configure is launched 1054EOF 1055exit 0 1056fi 1057 1058# Remove old dependency files to make sure that they get properly regenerated 1059rm -f ./*/config-devices.mak.d 1060 1061if test -z "$python" 1062then 1063 error_exit "Python not found. Use --python=/path/to/python" 1064fi 1065if ! has "$make" 1066then 1067 error_exit "GNU make ($make) not found" 1068fi 1069 1070# Note that if the Python conditional here evaluates True we will exit 1071# with status 1 which is a shell 'false' value. 1072if ! $python -c 'import sys; sys.exit(sys.version_info < (3,6))'; then 1073 error_exit "Cannot use '$python', Python >= 3.6 is required." \ 1074 "Use --python=/path/to/python to specify a supported Python." 1075fi 1076 1077# Suppress writing compiled files 1078python="$python -B" 1079 1080if test -z "$meson"; then 1081 if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.61.5; then 1082 meson=meson 1083 elif test "$git_submodules_action" != 'ignore' ; then 1084 meson=git 1085 elif test -e "${source_path}/meson/meson.py" ; then 1086 meson=internal 1087 else 1088 if test "$explicit_python" = yes; then 1089 error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found." 1090 else 1091 error_exit "Meson not found. Use --meson=/path/to/meson" 1092 fi 1093 fi 1094else 1095 # Meson uses its own Python interpreter to invoke other Python scripts, 1096 # but the user wants to use the one they specified with --python. 1097 # 1098 # We do not want to override the distro Python interpreter (and sometimes 1099 # cannot: for example in Homebrew /usr/bin/meson is a bash script), so 1100 # just require --meson=git|internal together with --python. 1101 if test "$explicit_python" = yes; then 1102 case "$meson" in 1103 git | internal) ;; 1104 *) error_exit "--python requires using QEMU's embedded Meson distribution." ;; 1105 esac 1106 fi 1107fi 1108 1109if test "$meson" = git; then 1110 git_submodules="${git_submodules} meson" 1111fi 1112 1113case "$meson" in 1114 git | internal) 1115 meson="$python ${source_path}/meson/meson.py" 1116 ;; 1117 *) meson=$(command -v "$meson") ;; 1118esac 1119 1120# Probe for ninja 1121 1122if test -z "$ninja"; then 1123 for c in ninja ninja-build samu; do 1124 if has $c; then 1125 ninja=$(command -v "$c") 1126 break 1127 fi 1128 done 1129 if test -z "$ninja"; then 1130 error_exit "Cannot find Ninja" 1131 fi 1132fi 1133 1134# Check that the C compiler works. Doing this here before testing 1135# the host CPU ensures that we had a valid CC to autodetect the 1136# $cpu var (and we should bail right here if that's not the case). 1137# It also allows the help message to be printed without a CC. 1138write_c_skeleton; 1139if compile_object ; then 1140 : C compiler works ok 1141else 1142 error_exit "\"$cc\" either does not exist or does not work" 1143fi 1144if ! compile_prog ; then 1145 error_exit "\"$cc\" cannot build an executable (is your linker broken?)" 1146fi 1147 1148# Consult white-list to determine whether to enable werror 1149# by default. Only enable by default for git builds 1150if test -z "$werror" ; then 1151 if test "$git_submodules_action" != "ignore" && \ 1152 { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then 1153 werror="yes" 1154 else 1155 werror="no" 1156 fi 1157fi 1158 1159if test "$targetos" = "bogus"; then 1160 # Now that we know that we're not printing the help and that 1161 # the compiler works (so the results of the check_defines we used 1162 # to identify the OS are reliable), if we didn't recognize the 1163 # host OS we should stop now. 1164 error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')" 1165fi 1166 1167# Check whether the compiler matches our minimum requirements: 1168cat > $TMPC << EOF 1169#if defined(__clang_major__) && defined(__clang_minor__) 1170# ifdef __apple_build_version__ 1171# if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0) 1172# error You need at least XCode Clang v10.0 to compile QEMU 1173# endif 1174# else 1175# if __clang_major__ < 6 || (__clang_major__ == 6 && __clang_minor__ < 0) 1176# error You need at least Clang v6.0 to compile QEMU 1177# endif 1178# endif 1179#elif defined(__GNUC__) && defined(__GNUC_MINOR__) 1180# if __GNUC__ < 7 || (__GNUC__ == 7 && __GNUC_MINOR__ < 4) 1181# error You need at least GCC v7.4.0 to compile QEMU 1182# endif 1183#else 1184# error You either need GCC or Clang to compiler QEMU 1185#endif 1186int main (void) { return 0; } 1187EOF 1188if ! compile_prog "" "" ; then 1189 error_exit "You need at least GCC v7.4 or Clang v6.0 (or XCode Clang v10.0)" 1190fi 1191 1192# Accumulate -Wfoo and -Wno-bar separately. 1193# We will list all of the enable flags first, and the disable flags second. 1194# Note that we do not add -Werror, because that would enable it for all 1195# configure tests. If a configure test failed due to -Werror this would 1196# just silently disable some features, so it's too error prone. 1197 1198warn_flags= 1199add_to warn_flags -Wold-style-declaration 1200add_to warn_flags -Wold-style-definition 1201add_to warn_flags -Wtype-limits 1202add_to warn_flags -Wformat-security 1203add_to warn_flags -Wformat-y2k 1204add_to warn_flags -Winit-self 1205add_to warn_flags -Wignored-qualifiers 1206add_to warn_flags -Wempty-body 1207add_to warn_flags -Wnested-externs 1208add_to warn_flags -Wendif-labels 1209add_to warn_flags -Wexpansion-to-defined 1210add_to warn_flags -Wimplicit-fallthrough=2 1211 1212nowarn_flags= 1213add_to nowarn_flags -Wno-initializer-overrides 1214add_to nowarn_flags -Wno-missing-include-dirs 1215add_to nowarn_flags -Wno-shift-negative-value 1216add_to nowarn_flags -Wno-string-plus-int 1217add_to nowarn_flags -Wno-typedef-redefinition 1218add_to nowarn_flags -Wno-tautological-type-limit-compare 1219add_to nowarn_flags -Wno-psabi 1220add_to nowarn_flags -Wno-gnu-variable-sized-type-not-at-end 1221 1222gcc_flags="$warn_flags $nowarn_flags" 1223 1224cc_has_warning_flag() { 1225 write_c_skeleton; 1226 1227 # Use the positive sense of the flag when testing for -Wno-wombat 1228 # support (gcc will happily accept the -Wno- form of unknown 1229 # warning options). 1230 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')" 1231 compile_prog "-Werror $optflag" "" 1232} 1233 1234objcc_has_warning_flag() { 1235 cat > $TMPM <<EOF 1236int main(void) { return 0; } 1237EOF 1238 1239 # Use the positive sense of the flag when testing for -Wno-wombat 1240 # support (gcc will happily accept the -Wno- form of unknown 1241 # warning options). 1242 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')" 1243 do_objc -Werror $optflag \ 1244 $OBJCFLAGS $EXTRA_OBJCFLAGS $CONFIGURE_OBJCFLAGS $QEMU_OBJCFLAGS \ 1245 -o $TMPE $TMPM $QEMU_LDFLAGS 1246} 1247 1248for flag in $gcc_flags; do 1249 if cc_has_warning_flag $flag ; then 1250 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1251 fi 1252 if objcc_has_warning_flag $flag ; then 1253 QEMU_OBJCFLAGS="$QEMU_OBJCFLAGS $flag" 1254 fi 1255done 1256 1257if test "$stack_protector" != "no"; then 1258 cat > $TMPC << EOF 1259int main(int argc, char *argv[]) 1260{ 1261 char arr[64], *p = arr, *c = argv[0]; 1262 while (*c) { 1263 *p++ = *c++; 1264 } 1265 return 0; 1266} 1267EOF 1268 gcc_flags="-fstack-protector-strong -fstack-protector-all" 1269 sp_on=0 1270 for flag in $gcc_flags; do 1271 # We need to check both a compile and a link, since some compiler 1272 # setups fail only on a .c->.o compile and some only at link time 1273 if compile_object "-Werror $flag" && 1274 compile_prog "-Werror $flag" ""; then 1275 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1276 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 1277 sp_on=1 1278 break 1279 fi 1280 done 1281 if test "$stack_protector" = yes; then 1282 if test $sp_on = 0; then 1283 error_exit "Stack protector not supported" 1284 fi 1285 fi 1286fi 1287 1288# Disable -Wmissing-braces on older compilers that warn even for 1289# the "universal" C zero initializer {0}. 1290cat > $TMPC << EOF 1291struct { 1292 int a[2]; 1293} x = {0}; 1294EOF 1295if compile_object "-Werror" "" ; then 1296 : 1297else 1298 QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces" 1299fi 1300 1301# Our module code doesn't support Windows 1302if test "$modules" = "yes" && test "$mingw32" = "yes" ; then 1303 error_exit "Modules are not available for Windows" 1304fi 1305 1306# Static linking is not possible with plugins, modules or PIE 1307if test "$static" = "yes" ; then 1308 if test "$modules" = "yes" ; then 1309 error_exit "static and modules are mutually incompatible" 1310 fi 1311 if test "$plugins" = "yes"; then 1312 error_exit "static and plugins are mutually incompatible" 1313 else 1314 plugins="no" 1315 fi 1316fi 1317test "$plugins" = "" && plugins=yes 1318 1319cat > $TMPC << EOF 1320 1321#ifdef __linux__ 1322# define THREAD __thread 1323#else 1324# define THREAD 1325#endif 1326static THREAD int tls_var; 1327int main(void) { return tls_var; } 1328EOF 1329 1330if test "$static" = "yes"; then 1331 if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then 1332 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" 1333 pie="yes" 1334 elif test "$pie" = "yes"; then 1335 error_exit "-static-pie not available due to missing toolchain support" 1336 else 1337 pie="no" 1338 fi 1339elif test "$pie" = "no"; then 1340 if compile_prog "-Werror -fno-pie" "-no-pie"; then 1341 CONFIGURE_CFLAGS="-fno-pie $CONFIGURE_CFLAGS" 1342 CONFIGURE_LDFLAGS="-no-pie $CONFIGURE_LDFLAGS" 1343 # Meson currently only handles pie as a boolean for now so if we have 1344 # explicitly disabled PIE we need to extend our cflags because it wont. 1345 QEMU_CFLAGS="-fno-pie -no-pie $QEMU_CFLAGS" 1346 fi 1347elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then 1348 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" 1349 CONFIGURE_LDFLAGS="-pie $CONFIGURE_LDFLAGS" 1350 pie="yes" 1351elif test "$pie" = "yes"; then 1352 error_exit "PIE not available due to missing toolchain support" 1353else 1354 echo "Disabling PIE due to missing toolchain support" 1355 pie="no" 1356fi 1357 1358########################################## 1359# __sync_fetch_and_and requires at least -march=i486. Many toolchains 1360# use i686 as default anyway, but for those that don't, an explicit 1361# specification is necessary 1362 1363if test "$cpu" = "i386"; then 1364 cat > $TMPC << EOF 1365static int sfaa(int *ptr) 1366{ 1367 return __sync_fetch_and_and(ptr, 0); 1368} 1369 1370int main(void) 1371{ 1372 int val = 42; 1373 val = __sync_val_compare_and_swap(&val, 0, 1); 1374 sfaa(&val); 1375 return val; 1376} 1377EOF 1378 if ! compile_prog "" "" ; then 1379 QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS" 1380 fi 1381fi 1382 1383if test -z "${target_list+xxx}" ; then 1384 default_targets=yes 1385 for target in $default_target_list; do 1386 target_list="$target_list $target" 1387 done 1388 target_list="${target_list# }" 1389else 1390 default_targets=no 1391 target_list=$(echo "$target_list" | sed -e 's/,/ /g') 1392 for target in $target_list; do 1393 # Check that we recognised the target name; this allows a more 1394 # friendly error message than if we let it fall through. 1395 case " $default_target_list " in 1396 *" $target "*) 1397 ;; 1398 *) 1399 error_exit "Unknown target name '$target'" 1400 ;; 1401 esac 1402 done 1403fi 1404 1405# see if system emulation was really requested 1406case " $target_list " in 1407 *"-softmmu "*) softmmu=yes 1408 ;; 1409 *) softmmu=no 1410 ;; 1411esac 1412 1413if test "$tcg" = "auto"; then 1414 if test -z "$target_list"; then 1415 tcg="disabled" 1416 else 1417 tcg="enabled" 1418 fi 1419fi 1420 1421if test "$tcg" = "enabled"; then 1422 git_submodules="$git_submodules tests/fp/berkeley-testfloat-3" 1423 git_submodules="$git_submodules tests/fp/berkeley-softfloat-3" 1424fi 1425 1426########################################## 1427# big/little endian test 1428cat > $TMPC << EOF 1429#if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ 1430# error LITTLE 1431#endif 1432int main(void) { return 0; } 1433EOF 1434 1435if ! compile_prog ; then 1436 bigendian="no" 1437else 1438 cat > $TMPC << EOF 1439#if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ 1440# error BIG 1441#endif 1442int main(void) { return 0; } 1443EOF 1444 1445 if ! compile_prog ; then 1446 bigendian="yes" 1447 else 1448 echo big/little test failed 1449 exit 1 1450 fi 1451fi 1452 1453########################################## 1454# pkg-config probe 1455 1456if ! has "$pkg_config_exe"; then 1457 error_exit "pkg-config binary '$pkg_config_exe' not found" 1458fi 1459 1460########################################## 1461# glib support probe 1462 1463# When bumping glib_req_ver, please check also whether we should increase 1464# the _WIN32_WINNT setting in osdep.h according to the value from glib 1465glib_req_ver=2.56 1466glib_modules=gthread-2.0 1467if test "$modules" = yes; then 1468 glib_modules="$glib_modules gmodule-export-2.0" 1469elif test "$plugins" = "yes"; then 1470 glib_modules="$glib_modules gmodule-no-export-2.0" 1471fi 1472 1473for i in $glib_modules; do 1474 if $pkg_config --atleast-version=$glib_req_ver $i; then 1475 glib_cflags=$($pkg_config --cflags $i) 1476 glib_libs=$($pkg_config --libs $i) 1477 else 1478 error_exit "glib-$glib_req_ver $i is required to compile QEMU" 1479 fi 1480done 1481 1482glib_bindir="$($pkg_config --variable=bindir glib-2.0)" 1483if test -z "$glib_bindir" ; then 1484 glib_bindir="$($pkg_config --variable=prefix glib-2.0)"/bin 1485fi 1486 1487# This workaround is required due to a bug in pkg-config file for glib as it 1488# doesn't define GLIB_STATIC_COMPILATION for pkg-config --static 1489 1490if test "$static" = yes && test "$mingw32" = yes; then 1491 glib_cflags="-DGLIB_STATIC_COMPILATION $glib_cflags" 1492fi 1493 1494# Sanity check that the current size_t matches the 1495# size that glib thinks it should be. This catches 1496# problems on multi-arch where people try to build 1497# 32-bit QEMU while pointing at 64-bit glib headers 1498cat > $TMPC <<EOF 1499#include <glib.h> 1500#include <unistd.h> 1501 1502#define QEMU_BUILD_BUG_ON(x) \ 1503 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused)); 1504 1505int main(void) { 1506 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T); 1507 return 0; 1508} 1509EOF 1510 1511if ! compile_prog "$glib_cflags" "$glib_libs" ; then 1512 error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\ 1513 "You probably need to set PKG_CONFIG_LIBDIR"\ 1514 "to point to the right pkg-config files for your"\ 1515 "build target" 1516fi 1517 1518# Silence clang warnings triggered by glib < 2.57.2 1519cat > $TMPC << EOF 1520#include <glib.h> 1521typedef struct Foo { 1522 int i; 1523} Foo; 1524static void foo_free(Foo *f) 1525{ 1526 g_free(f); 1527} 1528G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free) 1529int main(void) { return 0; } 1530EOF 1531if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then 1532 if cc_has_warning_flag "-Wno-unused-function"; then 1533 glib_cflags="$glib_cflags -Wno-unused-function" 1534 CONFIGURE_CFLAGS="$CONFIGURE_CFLAGS -Wno-unused-function" 1535 fi 1536fi 1537 1538########################################## 1539# fdt probe 1540 1541case "$fdt" in 1542 auto | enabled | internal) 1543 # Simpler to always update submodule, even if not needed. 1544 git_submodules="${git_submodules} dtc" 1545 ;; 1546esac 1547 1548########################################## 1549# check and set a backend for coroutine 1550 1551# We prefer ucontext, but it's not always possible. The fallback 1552# is sigcontext. On Windows the only valid backend is the Windows 1553# specific one. 1554 1555ucontext_works=no 1556if test "$darwin" != "yes"; then 1557 cat > $TMPC << EOF 1558#include <ucontext.h> 1559#ifdef __stub_makecontext 1560#error Ignoring glibc stub makecontext which will always fail 1561#endif 1562int main(void) { makecontext(0, 0, 0); return 0; } 1563EOF 1564 if compile_prog "" "" ; then 1565 ucontext_works=yes 1566 fi 1567fi 1568 1569if test "$coroutine" = ""; then 1570 if test "$mingw32" = "yes"; then 1571 coroutine=win32 1572 elif test "$ucontext_works" = "yes"; then 1573 coroutine=ucontext 1574 else 1575 coroutine=sigaltstack 1576 fi 1577else 1578 case $coroutine in 1579 windows) 1580 if test "$mingw32" != "yes"; then 1581 error_exit "'windows' coroutine backend only valid for Windows" 1582 fi 1583 # Unfortunately the user visible backend name doesn't match the 1584 # coroutine-*.c filename for this case, so we have to adjust it here. 1585 coroutine=win32 1586 ;; 1587 ucontext) 1588 if test "$ucontext_works" != "yes"; then 1589 error_exit "'ucontext' backend requested but makecontext not available" 1590 fi 1591 ;; 1592 sigaltstack) 1593 if test "$mingw32" = "yes"; then 1594 error_exit "only the 'windows' coroutine backend is valid for Windows" 1595 fi 1596 ;; 1597 *) 1598 error_exit "unknown coroutine backend $coroutine" 1599 ;; 1600 esac 1601fi 1602 1603################################################## 1604# SafeStack 1605 1606 1607if test "$safe_stack" = "yes"; then 1608cat > $TMPC << EOF 1609int main(int argc, char *argv[]) 1610{ 1611#if ! __has_feature(safe_stack) 1612#error SafeStack Disabled 1613#endif 1614 return 0; 1615} 1616EOF 1617 flag="-fsanitize=safe-stack" 1618 # Check that safe-stack is supported and enabled. 1619 if compile_prog "-Werror $flag" "$flag"; then 1620 # Flag needed both at compilation and at linking 1621 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1622 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 1623 else 1624 error_exit "SafeStack not supported by your compiler" 1625 fi 1626 if test "$coroutine" != "ucontext"; then 1627 error_exit "SafeStack is only supported by the coroutine backend ucontext" 1628 fi 1629else 1630cat > $TMPC << EOF 1631int main(int argc, char *argv[]) 1632{ 1633#if defined(__has_feature) 1634#if __has_feature(safe_stack) 1635#error SafeStack Enabled 1636#endif 1637#endif 1638 return 0; 1639} 1640EOF 1641if test "$safe_stack" = "no"; then 1642 # Make sure that safe-stack is disabled 1643 if ! compile_prog "-Werror" ""; then 1644 # SafeStack was already enabled, try to explicitly remove the feature 1645 flag="-fno-sanitize=safe-stack" 1646 if ! compile_prog "-Werror $flag" "$flag"; then 1647 error_exit "Configure cannot disable SafeStack" 1648 fi 1649 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1650 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 1651 fi 1652else # "$safe_stack" = "" 1653 # Set safe_stack to yes or no based on pre-existing flags 1654 if compile_prog "-Werror" ""; then 1655 safe_stack="no" 1656 else 1657 safe_stack="yes" 1658 if test "$coroutine" != "ucontext"; then 1659 error_exit "SafeStack is only supported by the coroutine backend ucontext" 1660 fi 1661 fi 1662fi 1663fi 1664 1665######################################## 1666# check if ccache is interfering with 1667# semantic analysis of macros 1668 1669unset CCACHE_CPP2 1670ccache_cpp2=no 1671cat > $TMPC << EOF 1672static const int Z = 1; 1673#define fn() ({ Z; }) 1674#define TAUT(X) ((X) == Z) 1675#define PAREN(X, Y) (X == Y) 1676#define ID(X) (X) 1677int main(int argc, char *argv[]) 1678{ 1679 int x = 0, y = 0; 1680 x = ID(x); 1681 x = fn(); 1682 fn(); 1683 if (PAREN(x, y)) return 0; 1684 if (TAUT(Z)) return 0; 1685 return 0; 1686} 1687EOF 1688 1689if ! compile_object "-Werror"; then 1690 ccache_cpp2=yes 1691fi 1692 1693################################################# 1694# clang does not support glibc + FORTIFY_SOURCE. 1695 1696if test "$fortify_source" != "no"; then 1697 if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then 1698 fortify_source="no"; 1699 elif test -n "$cxx" && has $cxx && 1700 echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then 1701 fortify_source="no"; 1702 else 1703 fortify_source="yes" 1704 fi 1705fi 1706 1707########################################## 1708# checks for sanitizers 1709 1710have_asan=no 1711have_ubsan=no 1712have_asan_iface_h=no 1713have_asan_iface_fiber=no 1714 1715if test "$sanitizers" = "yes" ; then 1716 write_c_skeleton 1717 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then 1718 have_asan=yes 1719 fi 1720 1721 # we could use a simple skeleton for flags checks, but this also 1722 # detect the static linking issue of ubsan, see also: 1723 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285 1724 cat > $TMPC << EOF 1725#include <stdlib.h> 1726int main(void) { 1727 void *tmp = malloc(10); 1728 if (tmp != NULL) { 1729 return *(int *)(tmp + 2); 1730 } 1731 return 1; 1732} 1733EOF 1734 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then 1735 have_ubsan=yes 1736 fi 1737 1738 if check_include "sanitizer/asan_interface.h" ; then 1739 have_asan_iface_h=yes 1740 fi 1741 1742 cat > $TMPC << EOF 1743#include <sanitizer/asan_interface.h> 1744int main(void) { 1745 __sanitizer_start_switch_fiber(0, 0, 0); 1746 return 0; 1747} 1748EOF 1749 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then 1750 have_asan_iface_fiber=yes 1751 fi 1752fi 1753 1754# Thread sanitizer is, for now, much noisier than the other sanitizers; 1755# keep it separate until that is not the case. 1756if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then 1757 error_exit "TSAN is not supported with other sanitiziers." 1758fi 1759have_tsan=no 1760have_tsan_iface_fiber=no 1761if test "$tsan" = "yes" ; then 1762 write_c_skeleton 1763 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then 1764 have_tsan=yes 1765 fi 1766 cat > $TMPC << EOF 1767#include <sanitizer/tsan_interface.h> 1768int main(void) { 1769 __tsan_create_fiber(0); 1770 return 0; 1771} 1772EOF 1773 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then 1774 have_tsan_iface_fiber=yes 1775 fi 1776fi 1777 1778########################################## 1779# functions to probe cross compilers 1780 1781container="no" 1782if test $use_containers = "yes"; then 1783 case $($python "$source_path"/tests/docker/docker.py probe) in 1784 *docker) container=docker ;; 1785 podman) container=podman ;; 1786 no) container=no ;; 1787 esac 1788 if test "$container" != "no"; then 1789 docker_py="$python $source_path/tests/docker/docker.py --engine $container" 1790 fi 1791fi 1792 1793# cross compilers defaults, can be overridden with --cross-cc-ARCH 1794: ${cross_prefix_aarch64="aarch64-linux-gnu-"} 1795: ${cross_prefix_aarch64_be="$cross_prefix_aarch64"} 1796: ${cross_prefix_alpha="alpha-linux-gnu-"} 1797: ${cross_prefix_arm="arm-linux-gnueabihf-"} 1798: ${cross_prefix_armeb="$cross_prefix_arm"} 1799: ${cross_prefix_hexagon="hexagon-unknown-linux-musl-"} 1800: ${cross_prefix_loongarch64="loongarch64-unknown-linux-gnu-"} 1801: ${cross_prefix_hppa="hppa-linux-gnu-"} 1802: ${cross_prefix_i386="i686-linux-gnu-"} 1803: ${cross_prefix_m68k="m68k-linux-gnu-"} 1804: ${cross_prefix_microblaze="microblaze-linux-musl-"} 1805: ${cross_prefix_mips64el="mips64el-linux-gnuabi64-"} 1806: ${cross_prefix_mips64="mips64-linux-gnuabi64-"} 1807: ${cross_prefix_mipsel="mipsel-linux-gnu-"} 1808: ${cross_prefix_mips="mips-linux-gnu-"} 1809: ${cross_prefix_nios2="nios2-linux-gnu-"} 1810: ${cross_prefix_ppc="powerpc-linux-gnu-"} 1811: ${cross_prefix_ppc64="powerpc64-linux-gnu-"} 1812: ${cross_prefix_ppc64le="$cross_prefix_ppc64"} 1813: ${cross_prefix_riscv64="riscv64-linux-gnu-"} 1814: ${cross_prefix_s390x="s390x-linux-gnu-"} 1815: ${cross_prefix_sh4="sh4-linux-gnu-"} 1816: ${cross_prefix_sparc64="sparc64-linux-gnu-"} 1817: ${cross_prefix_sparc="$cross_prefix_sparc64"} 1818: ${cross_prefix_x86_64="x86_64-linux-gnu-"} 1819 1820: ${cross_cc_aarch64_be="$cross_cc_aarch64"} 1821: ${cross_cc_cflags_aarch64_be="-mbig-endian"} 1822: ${cross_cc_armeb="$cross_cc_arm"} 1823: ${cross_cc_cflags_armeb="-mbig-endian"} 1824: ${cross_cc_hexagon="hexagon-unknown-linux-musl-clang"} 1825: ${cross_cc_cflags_hexagon="-mv67 -O2 -static"} 1826: ${cross_cc_cflags_i386="-m32"} 1827: ${cross_cc_cflags_ppc="-m32 -mbig-endian"} 1828: ${cross_cc_cflags_ppc64="-m64 -mbig-endian"} 1829: ${cross_cc_ppc64le="$cross_cc_ppc64"} 1830: ${cross_cc_cflags_ppc64le="-m64 -mlittle-endian"} 1831: ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"} 1832: ${cross_cc_sparc="$cross_cc_sparc64"} 1833: ${cross_cc_cflags_sparc="-m32 -mcpu=supersparc"} 1834: ${cross_cc_cflags_x86_64="-m64"} 1835 1836compute_target_variable() { 1837 eval "$2=" 1838 if eval test -n "\"\${cross_prefix_$1}\""; then 1839 if eval has "\"\${cross_prefix_$1}\$3\""; then 1840 eval "$2=\"\${cross_prefix_$1}\$3\"" 1841 fi 1842 fi 1843} 1844 1845have_target() { 1846 for i; do 1847 case " $target_list " in 1848 *" $i "*) return 0;; 1849 *) ;; 1850 esac 1851 done 1852 return 1 1853} 1854 1855# probe_target_compiler TARGET 1856# 1857# Look for a compiler for the given target, either native or cross. 1858# Set variables target_* if a compiler is found, and container_cross_* 1859# if a Docker-based cross-compiler image is known for the target. 1860# Set got_cross_cc to yes/no depending on whether a non-container-based 1861# compiler was found. 1862# 1863# If TARGET is a user-mode emulation target, also set build_static to 1864# "y" if static linking is possible. 1865# 1866probe_target_compiler() { 1867 # reset all output variables 1868 got_cross_cc=no 1869 container_image= 1870 container_hosts= 1871 container_cross_cc= 1872 container_cross_ar= 1873 container_cross_as= 1874 container_cross_ld= 1875 container_cross_nm= 1876 container_cross_objcopy= 1877 container_cross_ranlib= 1878 container_cross_strip= 1879 1880 target_arch=${1%%-*} 1881 case $target_arch in 1882 aarch64) container_hosts="x86_64 aarch64" ;; 1883 alpha) container_hosts=x86_64 ;; 1884 arm) container_hosts="x86_64 aarch64" ;; 1885 cris) container_hosts=x86_64 ;; 1886 hexagon) container_hosts=x86_64 ;; 1887 hppa) container_hosts=x86_64 ;; 1888 i386) container_hosts=x86_64 ;; 1889 loongarch64) container_hosts=x86_64 ;; 1890 m68k) container_hosts=x86_64 ;; 1891 microblaze) container_hosts=x86_64 ;; 1892 mips64el) container_hosts=x86_64 ;; 1893 mips64) container_hosts=x86_64 ;; 1894 mipsel) container_hosts=x86_64 ;; 1895 mips) container_hosts=x86_64 ;; 1896 nios2) container_hosts=x86_64 ;; 1897 ppc) container_hosts=x86_64 ;; 1898 ppc64|ppc64le) container_hosts=x86_64 ;; 1899 riscv64) container_hosts=x86_64 ;; 1900 s390x) container_hosts=x86_64 ;; 1901 sh4) container_hosts=x86_64 ;; 1902 sparc64) container_hosts=x86_64 ;; 1903 tricore) container_hosts=x86_64 ;; 1904 x86_64) container_hosts="aarch64 ppc64el x86_64" ;; 1905 xtensa*) container_hosts=x86_64 ;; 1906 esac 1907 1908 for host in $container_hosts; do 1909 test "$container" != no || continue 1910 test "$host" = "$cpu" || continue 1911 case $target_arch in 1912 aarch64) 1913 # We don't have any bigendian build tools so we only use this for AArch64 1914 container_image=debian-arm64-cross 1915 container_cross_prefix=aarch64-linux-gnu- 1916 container_cross_cc=${container_cross_prefix}gcc-10 1917 ;; 1918 alpha) 1919 container_image=debian-alpha-cross 1920 container_cross_prefix=alpha-linux-gnu- 1921 ;; 1922 arm) 1923 # We don't have any bigendian build tools so we only use this for ARM 1924 container_image=debian-armhf-cross 1925 container_cross_prefix=arm-linux-gnueabihf- 1926 ;; 1927 cris) 1928 container_image=fedora-cris-cross 1929 container_cross_prefix=cris-linux-gnu- 1930 ;; 1931 hexagon) 1932 container_image=debian-hexagon-cross 1933 container_cross_prefix=hexagon-unknown-linux-musl- 1934 container_cross_cc=${container_cross_prefix}clang 1935 ;; 1936 hppa) 1937 container_image=debian-hppa-cross 1938 container_cross_prefix=hppa-linux-gnu- 1939 ;; 1940 i386) 1941 container_image=fedora-i386-cross 1942 container_cross_prefix= 1943 ;; 1944 loongarch64) 1945 container_image=debian-loongarch-cross 1946 container_cross_prefix=loongarch64-unknown-linux-gnu- 1947 ;; 1948 m68k) 1949 container_image=debian-m68k-cross 1950 container_cross_prefix=m68k-linux-gnu- 1951 ;; 1952 microblaze) 1953 container_image=debian-microblaze-cross 1954 container_cross_prefix=microblaze-linux-musl- 1955 ;; 1956 mips64el) 1957 container_image=debian-mips64el-cross 1958 container_cross_prefix=mips64el-linux-gnuabi64- 1959 ;; 1960 mips64) 1961 container_image=debian-mips64-cross 1962 container_cross_prefix=mips64-linux-gnuabi64- 1963 ;; 1964 mipsel) 1965 container_image=debian-mipsel-cross 1966 container_cross_prefix=mipsel-linux-gnu- 1967 ;; 1968 mips) 1969 container_image=debian-mips-cross 1970 container_cross_prefix=mips-linux-gnu- 1971 ;; 1972 nios2) 1973 container_image=debian-nios2-cross 1974 container_cross_prefix=nios2-linux-gnu- 1975 ;; 1976 ppc) 1977 container_image=debian-powerpc-test-cross 1978 container_cross_prefix=powerpc-linux-gnu- 1979 container_cross_cc=${container_cross_prefix}gcc-10 1980 ;; 1981 ppc64|ppc64le) 1982 container_image=debian-powerpc-test-cross 1983 container_cross_prefix=powerpc${target_arch#ppc}-linux-gnu- 1984 container_cross_cc=${container_cross_prefix}gcc-10 1985 ;; 1986 riscv64) 1987 container_image=debian-riscv64-test-cross 1988 container_cross_prefix=riscv64-linux-gnu- 1989 ;; 1990 s390x) 1991 container_image=debian-s390x-cross 1992 container_cross_prefix=s390x-linux-gnu- 1993 ;; 1994 sh4) 1995 container_image=debian-sh4-cross 1996 container_cross_prefix=sh4-linux-gnu- 1997 ;; 1998 sparc64) 1999 container_image=debian-sparc64-cross 2000 container_cross_prefix=sparc64-linux-gnu- 2001 ;; 2002 tricore) 2003 container_image=debian-tricore-cross 2004 container_cross_prefix=tricore- 2005 container_cross_as=tricore-as 2006 container_cross_ld=tricore-ld 2007 break 2008 ;; 2009 x86_64) 2010 container_image=debian-amd64-cross 2011 container_cross_prefix=x86_64-linux-gnu- 2012 ;; 2013 xtensa*) 2014 container_hosts=x86_64 2015 container_image=debian-xtensa-cross 2016 2017 # default to the dc232b cpu 2018 container_cross_prefix=/opt/2020.07/xtensa-dc232b-elf/bin/xtensa-dc232b-elf- 2019 ;; 2020 esac 2021 : ${container_cross_cc:=${container_cross_prefix}gcc} 2022 : ${container_cross_ar:=${container_cross_prefix}ar} 2023 : ${container_cross_as:=${container_cross_prefix}as} 2024 : ${container_cross_ld:=${container_cross_prefix}ld} 2025 : ${container_cross_nm:=${container_cross_prefix}nm} 2026 : ${container_cross_objcopy:=${container_cross_prefix}objcopy} 2027 : ${container_cross_ranlib:=${container_cross_prefix}ranlib} 2028 : ${container_cross_strip:=${container_cross_prefix}strip} 2029 done 2030 2031 try=cross 2032 case "$target_arch:$cpu" in 2033 aarch64_be:aarch64 | \ 2034 armeb:arm | \ 2035 i386:x86_64 | \ 2036 mips*:mips64 | \ 2037 ppc*:ppc64 | \ 2038 sparc:sparc64 | \ 2039 "$cpu:$cpu") 2040 try='native cross' ;; 2041 esac 2042 eval "target_cflags=\${cross_cc_cflags_$target_arch}" 2043 for thistry in $try; do 2044 case $thistry in 2045 native) 2046 target_cc=$cc 2047 target_ccas=$ccas 2048 target_ar=$ar 2049 target_as=$as 2050 target_ld=$ld 2051 target_nm=$nm 2052 target_objcopy=$objcopy 2053 target_ranlib=$ranlib 2054 target_strip=$strip 2055 ;; 2056 cross) 2057 target_cc= 2058 if eval test -n "\"\${cross_cc_$target_arch}\""; then 2059 if eval has "\"\${cross_cc_$target_arch}\""; then 2060 eval "target_cc=\"\${cross_cc_$target_arch}\"" 2061 fi 2062 else 2063 compute_target_variable $target_arch target_cc gcc 2064 fi 2065 target_ccas=$target_cc 2066 compute_target_variable $target_arch target_ar ar 2067 compute_target_variable $target_arch target_as as 2068 compute_target_variable $target_arch target_ld ld 2069 compute_target_variable $target_arch target_nm nm 2070 compute_target_variable $target_arch target_objcopy objcopy 2071 compute_target_variable $target_arch target_ranlib ranlib 2072 compute_target_variable $target_arch target_strip strip 2073 ;; 2074 esac 2075 2076 if test -n "$target_cc"; then 2077 case $target_arch in 2078 i386|x86_64) 2079 if $target_cc --version | grep -qi "clang"; then 2080 continue 2081 fi 2082 ;; 2083 esac 2084 elif test -n "$target_as" && test -n "$target_ld"; then 2085 # Special handling for assembler only targets 2086 case $target in 2087 tricore-softmmu) 2088 build_static= 2089 got_cross_cc=yes 2090 break 2091 ;; 2092 *) 2093 continue 2094 ;; 2095 esac 2096 else 2097 continue 2098 fi 2099 2100 write_c_skeleton 2101 case $1 in 2102 *-softmmu) 2103 if do_compiler "$target_cc" $target_cflags -o $TMPO -c $TMPC && 2104 do_compiler "$target_cc" $target_cflags -r -nostdlib -o "${TMPDIR1}/${TMPB}2.o" "$TMPO" -lgcc; then 2105 got_cross_cc=yes 2106 break 2107 fi 2108 ;; 2109 *) 2110 if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC -static ; then 2111 build_static=y 2112 got_cross_cc=yes 2113 break 2114 fi 2115 if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC ; then 2116 build_static= 2117 got_cross_cc=yes 2118 break 2119 fi 2120 ;; 2121 esac 2122 done 2123 if test $got_cross_cc != yes; then 2124 build_static= 2125 target_cc= 2126 target_ccas= 2127 target_ar= 2128 target_as= 2129 target_ld= 2130 target_nm= 2131 target_objcopy= 2132 target_ranlib= 2133 target_strip= 2134 fi 2135 test -n "$target_cc" 2136} 2137 2138write_target_makefile() { 2139 echo "EXTRA_CFLAGS=$target_cflags" 2140 if test -z "$target_cc" && test -z "$target_as"; then 2141 test -z "$container_image" && error_exit "Internal error: could not find cross compiler for $1?" 2142 echo "$1: docker-image-$container_image" >> Makefile.prereqs 2143 if test -n "$container_cross_cc"; then 2144 echo "CC=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --" 2145 echo "CCAS=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --" 2146 fi 2147 echo "AR=$docker_py cc --cc $container_cross_ar -i qemu/$container_image -s $source_path --" 2148 echo "AS=$docker_py cc --cc $container_cross_as -i qemu/$container_image -s $source_path --" 2149 echo "LD=$docker_py cc --cc $container_cross_ld -i qemu/$container_image -s $source_path --" 2150 echo "NM=$docker_py cc --cc $container_cross_nm -i qemu/$container_image -s $source_path --" 2151 echo "OBJCOPY=$docker_py cc --cc $container_cross_objcopy -i qemu/$container_image -s $source_path --" 2152 echo "RANLIB=$docker_py cc --cc $container_cross_ranlib -i qemu/$container_image -s $source_path --" 2153 echo "STRIP=$docker_py cc --cc $container_cross_strip -i qemu/$container_image -s $source_path --" 2154 else 2155 if test -n "$target_cc"; then 2156 echo "CC=$target_cc" 2157 echo "CCAS=$target_ccas" 2158 fi 2159 if test -n "$target_ar"; then 2160 echo "AR=$target_ar" 2161 fi 2162 if test -n "$target_as"; then 2163 echo "AS=$target_as" 2164 fi 2165 if test -n "$target_ld"; then 2166 echo "LD=$target_ld" 2167 fi 2168 if test -n "$target_nm"; then 2169 echo "NM=$target_nm" 2170 fi 2171 if test -n "$target_objcopy"; then 2172 echo "OBJCOPY=$target_objcopy" 2173 fi 2174 if test -n "$target_ranlib"; then 2175 echo "RANLIB=$target_ranlib" 2176 fi 2177 if test -n "$target_strip"; then 2178 echo "STRIP=$target_strip" 2179 fi 2180 fi 2181} 2182 2183########################################## 2184# check for vfio_user_server 2185 2186case "$vfio_user_server" in 2187 enabled ) 2188 if test "$git_submodules_action" != "ignore"; then 2189 git_submodules="${git_submodules} subprojects/libvfio-user" 2190 fi 2191 ;; 2192esac 2193 2194########################################## 2195# End of CC checks 2196# After here, no more $cc or $ld runs 2197 2198write_c_skeleton 2199 2200if test "$fortify_source" = "yes" ; then 2201 QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS" 2202fi 2203 2204if test "$have_asan" = "yes"; then 2205 QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS" 2206 QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS" 2207 if test "$have_asan_iface_h" = "no" ; then 2208 echo "ASAN build enabled, but ASAN header missing." \ 2209 "Without code annotation, the report may be inferior." 2210 elif test "$have_asan_iface_fiber" = "no" ; then 2211 echo "ASAN build enabled, but ASAN header is too old." \ 2212 "Without code annotation, the report may be inferior." 2213 fi 2214fi 2215if test "$have_tsan" = "yes" ; then 2216 if test "$have_tsan_iface_fiber" = "yes" ; then 2217 QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS" 2218 QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS" 2219 else 2220 error_exit "Cannot enable TSAN due to missing fiber annotation interface." 2221 fi 2222elif test "$tsan" = "yes" ; then 2223 error_exit "Cannot enable TSAN due to missing sanitize thread interface." 2224fi 2225if test "$have_ubsan" = "yes"; then 2226 QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS" 2227 QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS" 2228fi 2229 2230########################################## 2231# Guest agent Windows MSI package 2232 2233if test "$QEMU_GA_MANUFACTURER" = ""; then 2234 QEMU_GA_MANUFACTURER=QEMU 2235fi 2236if test "$QEMU_GA_DISTRO" = ""; then 2237 QEMU_GA_DISTRO=Linux 2238fi 2239if test "$QEMU_GA_VERSION" = ""; then 2240 QEMU_GA_VERSION=$(cat "$source_path"/VERSION) 2241fi 2242 2243 2244####################################### 2245# cross-compiled firmware targets 2246 2247# Set up build tree symlinks that point back into the source tree 2248# (these can be both files and directories). 2249# Caution: avoid adding files or directories here using wildcards. This 2250# will result in problems later if a new file matching the wildcard is 2251# added to the source tree -- nothing will cause configure to be rerun 2252# so the build tree will be missing the link back to the new file, and 2253# tests might fail. Prefer to keep the relevant files in their own 2254# directory and symlink the directory instead. 2255LINKS="Makefile" 2256LINKS="$LINKS pc-bios/optionrom/Makefile" 2257LINKS="$LINKS pc-bios/s390-ccw/Makefile" 2258LINKS="$LINKS pc-bios/vof/Makefile" 2259LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit 2260LINKS="$LINKS tests/avocado tests/data" 2261LINKS="$LINKS tests/qemu-iotests/check" 2262LINKS="$LINKS python" 2263LINKS="$LINKS contrib/plugins/Makefile " 2264for f in $LINKS ; do 2265 if [ -e "$source_path/$f" ]; then 2266 mkdir -p "$(dirname ./"$f")" 2267 symlink "$source_path/$f" "$f" 2268 fi 2269done 2270 2271echo "# Automatically generated by configure - do not modify" > Makefile.prereqs 2272 2273# Mac OS X ships with a broken assembler 2274roms= 2275if have_target i386-softmmu x86_64-softmmu && \ 2276 test "$targetos" != "darwin" && test "$targetos" != "sunos" && \ 2277 test "$targetos" != "haiku" && \ 2278 probe_target_compiler i386-softmmu; then 2279 roms="pc-bios/optionrom" 2280 config_mak=pc-bios/optionrom/config.mak 2281 echo "# Automatically generated by configure - do not modify" > $config_mak 2282 echo "TOPSRC_DIR=$source_path" >> $config_mak 2283 write_target_makefile >> $config_mak 2284fi 2285 2286if have_target ppc-softmmu ppc64-softmmu && \ 2287 probe_target_compiler ppc-softmmu; then 2288 roms="$roms pc-bios/vof" 2289 config_mak=pc-bios/vof/config.mak 2290 echo "# Automatically generated by configure - do not modify" > $config_mak 2291 echo "SRC_DIR=$source_path/pc-bios/vof" >> $config_mak 2292 write_target_makefile >> $config_mak 2293fi 2294 2295# Only build s390-ccw bios if the compiler has -march=z900 or -march=z10 2296# (which is the lowest architecture level that Clang supports) 2297if have_target s390x-softmmu && probe_target_compiler s390x-softmmu; then 2298 write_c_skeleton 2299 do_compiler "$target_cc" $target_cc_cflags -march=z900 -o $TMPO -c $TMPC 2300 has_z900=$? 2301 if [ $has_z900 = 0 ] || do_compiler "$target_cc" $target_cc_cflags -march=z10 -msoft-float -Werror -o $TMPO -c $TMPC; then 2302 if [ $has_z900 != 0 ]; then 2303 echo "WARNING: Your compiler does not support the z900!" 2304 echo " The s390-ccw bios will only work with guest CPUs >= z10." 2305 fi 2306 roms="$roms pc-bios/s390-ccw" 2307 config_mak=pc-bios/s390-ccw/config-host.mak 2308 echo "# Automatically generated by configure - do not modify" > $config_mak 2309 echo "SRC_PATH=$source_path/pc-bios/s390-ccw" >> $config_mak 2310 write_target_makefile >> $config_mak 2311 # SLOF is required for building the s390-ccw firmware on s390x, 2312 # since it is using the libnet code from SLOF for network booting. 2313 git_submodules="${git_submodules} roms/SLOF" 2314 fi 2315fi 2316 2317####################################### 2318# generate config-host.mak 2319 2320if ! (GIT="$git" "$source_path/scripts/git-submodule.sh" "$git_submodules_action" "$git_submodules"); then 2321 exit 1 2322fi 2323 2324config_host_mak="config-host.mak" 2325 2326echo "# Automatically generated by configure - do not modify" > $config_host_mak 2327echo >> $config_host_mak 2328 2329echo all: >> $config_host_mak 2330echo "GIT=$git" >> $config_host_mak 2331echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak 2332echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_host_mak 2333 2334if test "$debug_tcg" = "yes" ; then 2335 echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak 2336fi 2337if test "$mingw32" = "yes" ; then 2338 echo "CONFIG_WIN32=y" >> $config_host_mak 2339 echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak 2340 echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak 2341 echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak 2342else 2343 echo "CONFIG_POSIX=y" >> $config_host_mak 2344fi 2345 2346if test "$linux" = "yes" ; then 2347 echo "CONFIG_LINUX=y" >> $config_host_mak 2348fi 2349 2350if test "$darwin" = "yes" ; then 2351 echo "CONFIG_DARWIN=y" >> $config_host_mak 2352fi 2353 2354if test "$solaris" = "yes" ; then 2355 echo "CONFIG_SOLARIS=y" >> $config_host_mak 2356fi 2357if test "$static" = "yes" ; then 2358 echo "CONFIG_STATIC=y" >> $config_host_mak 2359fi 2360echo "SRC_PATH=$source_path" >> $config_host_mak 2361echo "TARGET_DIRS=$target_list" >> $config_host_mak 2362if test "$modules" = "yes"; then 2363 echo "CONFIG_MODULES=y" >> $config_host_mak 2364fi 2365 2366# XXX: suppress that 2367if [ "$bsd" = "yes" ] ; then 2368 echo "CONFIG_BSD=y" >> $config_host_mak 2369fi 2370 2371echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak 2372 2373if test "$have_asan_iface_fiber" = "yes" ; then 2374 echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak 2375fi 2376 2377if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then 2378 echo "CONFIG_TSAN=y" >> $config_host_mak 2379fi 2380 2381if test "$plugins" = "yes" ; then 2382 echo "CONFIG_PLUGIN=y" >> $config_host_mak 2383fi 2384 2385if test -n "$gdb_bin"; then 2386 gdb_version=$($gdb_bin --version | head -n 1) 2387 if version_ge ${gdb_version##* } 9.1; then 2388 echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak 2389 else 2390 gdb_bin="" 2391 fi 2392fi 2393 2394if test "$container" != no; then 2395 echo "ENGINE=$container" >> $config_host_mak 2396fi 2397echo "ROMS=$roms" >> $config_host_mak 2398echo "MAKE=$make" >> $config_host_mak 2399echo "PYTHON=$python" >> $config_host_mak 2400echo "GENISOIMAGE=$genisoimage" >> $config_host_mak 2401echo "MESON=$meson" >> $config_host_mak 2402echo "NINJA=$ninja" >> $config_host_mak 2403echo "CC=$cc" >> $config_host_mak 2404echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak 2405echo "QEMU_OBJCFLAGS=$QEMU_OBJCFLAGS" >> $config_host_mak 2406echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak 2407echo "GLIB_LIBS=$glib_libs" >> $config_host_mak 2408echo "GLIB_BINDIR=$glib_bindir" >> $config_host_mak 2409echo "GLIB_VERSION=$(pkg-config --modversion glib-2.0)" >> $config_host_mak 2410echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak 2411echo "EXESUF=$EXESUF" >> $config_host_mak 2412 2413# use included Linux headers 2414if test "$linux" = "yes" ; then 2415 mkdir -p linux-headers 2416 case "$cpu" in 2417 i386|x86_64) 2418 linux_arch=x86 2419 ;; 2420 ppc|ppc64) 2421 linux_arch=powerpc 2422 ;; 2423 s390x) 2424 linux_arch=s390 2425 ;; 2426 aarch64) 2427 linux_arch=arm64 2428 ;; 2429 loongarch*) 2430 linux_arch=loongarch 2431 ;; 2432 mips64) 2433 linux_arch=mips 2434 ;; 2435 *) 2436 # For most CPUs the kernel architecture name and QEMU CPU name match. 2437 linux_arch="$cpu" 2438 ;; 2439 esac 2440 # For non-KVM architectures we will not have asm headers 2441 if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then 2442 symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm 2443 fi 2444fi 2445 2446for target in $target_list; do 2447 target_dir="$target" 2448 target_name=$(echo $target | cut -d '-' -f 1)$EXESUF 2449 mkdir -p "$target_dir" 2450 case $target in 2451 *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;; 2452 *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;; 2453 esac 2454done 2455 2456if test "$default_targets" = "yes"; then 2457 echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak 2458fi 2459 2460if test "$ccache_cpp2" = "yes"; then 2461 echo "export CCACHE_CPP2=y" >> $config_host_mak 2462fi 2463 2464if test "$safe_stack" = "yes"; then 2465 echo "CONFIG_SAFESTACK=y" >> $config_host_mak 2466fi 2467 2468# tests/tcg configuration 2469(config_host_mak=tests/tcg/config-host.mak 2470mkdir -p tests/tcg 2471echo "# Automatically generated by configure - do not modify" > $config_host_mak 2472echo "SRC_PATH=$source_path" >> $config_host_mak 2473echo "HOST_CC=$host_cc" >> $config_host_mak 2474 2475# versioned checked in the main config_host.mak above 2476if test -n "$gdb_bin"; then 2477 echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak 2478fi 2479 2480tcg_tests_targets= 2481for target in $target_list; do 2482 arch=${target%%-*} 2483 2484 case $target in 2485 xtensa*-linux-user) 2486 # the toolchain is not complete with headers, only build softmmu tests 2487 continue 2488 ;; 2489 *-softmmu) 2490 test -f "$source_path/tests/tcg/$arch/Makefile.softmmu-target" || continue 2491 qemu="qemu-system-$arch" 2492 ;; 2493 *-linux-user|*-bsd-user) 2494 qemu="qemu-$arch" 2495 ;; 2496 esac 2497 2498 if probe_target_compiler $target || test -n "$container_image"; then 2499 test -n "$container_image" && build_static=y 2500 mkdir -p "tests/tcg/$target" 2501 config_target_mak=tests/tcg/$target/config-target.mak 2502 ln -sf "$source_path/tests/tcg/Makefile.target" "tests/tcg/$target/Makefile" 2503 echo "# Automatically generated by configure - do not modify" > "$config_target_mak" 2504 echo "TARGET_NAME=$arch" >> "$config_target_mak" 2505 echo "TARGET=$target" >> "$config_target_mak" 2506 write_target_makefile "build-tcg-tests-$target" >> "$config_target_mak" 2507 echo "BUILD_STATIC=$build_static" >> "$config_target_mak" 2508 echo "QEMU=$PWD/$qemu" >> "$config_target_mak" 2509 echo "run-tcg-tests-$target: $qemu\$(EXESUF)" >> Makefile.prereqs 2510 tcg_tests_targets="$tcg_tests_targets $target" 2511 fi 2512done 2513echo "TCG_TESTS_TARGETS=$tcg_tests_targets" >> config-host.mak) 2514 2515if test "$skip_meson" = no; then 2516 cross="config-meson.cross.new" 2517 meson_quote() { 2518 test $# = 0 && return 2519 echo "'$(echo $* | sed "s/ /','/g")'" 2520 } 2521 2522 echo "# Automatically generated by configure - do not modify" > $cross 2523 echo "[properties]" >> $cross 2524 2525 # unroll any custom device configs 2526 for a in $device_archs; do 2527 eval "c=\$devices_${a}" 2528 echo "${a}-softmmu = '$c'" >> $cross 2529 done 2530 2531 echo "[built-in options]" >> $cross 2532 echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross 2533 echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross 2534 test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross 2535 echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross 2536 echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross 2537 echo "[binaries]" >> $cross 2538 echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross 2539 test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross 2540 test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross 2541 echo "ar = [$(meson_quote $ar)]" >> $cross 2542 echo "nm = [$(meson_quote $nm)]" >> $cross 2543 echo "pkgconfig = [$(meson_quote $pkg_config_exe)]" >> $cross 2544 echo "ranlib = [$(meson_quote $ranlib)]" >> $cross 2545 if has $sdl2_config; then 2546 echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross 2547 fi 2548 echo "strip = [$(meson_quote $strip)]" >> $cross 2549 echo "widl = [$(meson_quote $widl)]" >> $cross 2550 echo "windres = [$(meson_quote $windres)]" >> $cross 2551 if test "$cross_compile" = "yes"; then 2552 cross_arg="--cross-file config-meson.cross" 2553 echo "[host_machine]" >> $cross 2554 echo "system = '$targetos'" >> $cross 2555 case "$cpu" in 2556 i386) 2557 echo "cpu_family = 'x86'" >> $cross 2558 ;; 2559 *) 2560 echo "cpu_family = '$cpu'" >> $cross 2561 ;; 2562 esac 2563 echo "cpu = '$cpu'" >> $cross 2564 if test "$bigendian" = "yes" ; then 2565 echo "endian = 'big'" >> $cross 2566 else 2567 echo "endian = 'little'" >> $cross 2568 fi 2569 else 2570 cross_arg="--native-file config-meson.cross" 2571 fi 2572 mv $cross config-meson.cross 2573 2574 rm -rf meson-private meson-info meson-logs 2575 2576 # Built-in options 2577 test "$bindir" != "bin" && meson_option_add "-Dbindir=$bindir" 2578 test "$default_feature" = no && meson_option_add -Dauto_features=disabled 2579 test "$pie" = no && meson_option_add -Db_pie=false 2580 test "$werror" = yes && meson_option_add -Dwerror=true 2581 2582 # QEMU options 2583 test "$cfi" != false && meson_option_add "-Dcfi=$cfi" 2584 test "$fdt" != auto && meson_option_add "-Dfdt=$fdt" 2585 test -n "${LIB_FUZZING_ENGINE+xxx}" && meson_option_add "-Dfuzzing_engine=$LIB_FUZZING_ENGINE" 2586 test "$qemu_suffix" != qemu && meson_option_add "-Dqemu_suffix=$qemu_suffix" 2587 test "$smbd" != '' && meson_option_add "-Dsmbd=$smbd" 2588 test "$tcg" != enabled && meson_option_add "-Dtcg=$tcg" 2589 test "$vfio_user_server" != auto && meson_option_add "-Dvfio_user_server=$vfio_user_server" 2590 run_meson() { 2591 NINJA=$ninja $meson setup --prefix "$prefix" "$@" $cross_arg "$PWD" "$source_path" 2592 } 2593 eval run_meson $meson_options 2594 if test "$?" -ne 0 ; then 2595 error_exit "meson setup failed" 2596 fi 2597else 2598 if test -f meson-private/cmd_line.txt; then 2599 # Adjust old command line options whose type was changed 2600 # Avoids having to use "setup --wipe" when Meson is upgraded 2601 perl -i -ne ' 2602 s/^gettext = true$/gettext = auto/; 2603 s/^gettext = false$/gettext = disabled/; 2604 /^b_staticpic/ && next; 2605 print;' meson-private/cmd_line.txt 2606 fi 2607fi 2608 2609# Save the configure command line for later reuse. 2610cat <<EOD >config.status 2611#!/bin/sh 2612# Generated by configure. 2613# Run this file to recreate the current configuration. 2614# Compiler output produced by configure, useful for debugging 2615# configure, is in config.log if it exists. 2616EOD 2617 2618preserve_env() { 2619 envname=$1 2620 2621 eval envval=\$$envname 2622 2623 if test -n "$envval" 2624 then 2625 echo "$envname='$envval'" >> config.status 2626 echo "export $envname" >> config.status 2627 else 2628 echo "unset $envname" >> config.status 2629 fi 2630} 2631 2632# Preserve various env variables that influence what 2633# features/build target configure will detect 2634preserve_env AR 2635preserve_env AS 2636preserve_env CC 2637preserve_env CFLAGS 2638preserve_env CXX 2639preserve_env CXXFLAGS 2640preserve_env LD 2641preserve_env LDFLAGS 2642preserve_env LD_LIBRARY_PATH 2643preserve_env MAKE 2644preserve_env NM 2645preserve_env OBJCFLAGS 2646preserve_env OBJCOPY 2647preserve_env PATH 2648preserve_env PKG_CONFIG 2649preserve_env PKG_CONFIG_LIBDIR 2650preserve_env PKG_CONFIG_PATH 2651preserve_env PYTHON 2652preserve_env SDL2_CONFIG 2653preserve_env SMBD 2654preserve_env STRIP 2655preserve_env WIDL 2656preserve_env WINDRES 2657 2658printf "exec" >>config.status 2659for i in "$0" "$@"; do 2660 test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status 2661done 2662echo ' "$@"' >>config.status 2663chmod +x config.status 2664 2665rm -r "$TMPDIR1" 2666