1#!/bin/sh 2# 3# qemu configure script (c) 2003 Fabrice Bellard 4# 5 6# Unset some variables known to interfere with behavior of common tools, 7# just as autoconf does. 8CLICOLOR_FORCE= GREP_OPTIONS= 9unset CLICOLOR_FORCE GREP_OPTIONS 10 11# Don't allow CCACHE, if present, to use cached results of compile tests! 12export CCACHE_RECACHE=yes 13 14# make source path absolute 15source_path=$(cd "$(dirname -- "$0")"; pwd) 16 17if test "$PWD" = "$source_path" 18then 19 echo "Using './build' as the directory for build output" 20 21 MARKER=build/auto-created-by-configure 22 23 if test -e build 24 then 25 if test -f $MARKER 26 then 27 rm -rf build 28 else 29 echo "ERROR: ./build dir already exists and was not previously created by configure" 30 exit 1 31 fi 32 fi 33 34 mkdir build 35 touch $MARKER 36 37 cat > GNUmakefile <<'EOF' 38# This file is auto-generated by configure to support in-source tree 39# 'make' command invocation 40 41ifeq ($(MAKECMDGOALS),) 42recurse: all 43endif 44 45.NOTPARALLEL: % 46%: force 47 @echo 'changing dir to build for $(MAKE) "$(MAKECMDGOALS)"...' 48 @$(MAKE) -C build -f Makefile $(MAKECMDGOALS) 49 @if test "$(MAKECMDGOALS)" = "distclean" && \ 50 test -e build/auto-created-by-configure ; \ 51 then \ 52 rm -rf build GNUmakefile ; \ 53 fi 54force: ; 55.PHONY: force 56GNUmakefile: ; 57 58EOF 59 cd build 60 exec $source_path/configure "$@" 61fi 62 63# Temporary directory used for files created while 64# configure runs. Since it is in the build directory 65# we can safely blow away any previous version of it 66# (and we need not jump through hoops to try to delete 67# it when configure exits.) 68TMPDIR1="config-temp" 69rm -rf "${TMPDIR1}" 70mkdir -p "${TMPDIR1}" 71if [ $? -ne 0 ]; then 72 echo "ERROR: failed to create temporary directory" 73 exit 1 74fi 75 76TMPB="qemu-conf" 77TMPC="${TMPDIR1}/${TMPB}.c" 78TMPO="${TMPDIR1}/${TMPB}.o" 79TMPCXX="${TMPDIR1}/${TMPB}.cxx" 80TMPM="${TMPDIR1}/${TMPB}.m" 81TMPE="${TMPDIR1}/${TMPB}.exe" 82 83rm -f config.log 84 85# Print a helpful header at the top of config.log 86echo "# QEMU configure log $(date)" >> config.log 87printf "# Configured with:" >> config.log 88printf " '%s'" "$0" "$@" >> config.log 89echo >> config.log 90echo "#" >> config.log 91 92quote_sh() { 93 printf "%s" "$1" | sed "s,','\\\\'',g; s,.*,'&'," 94} 95 96print_error() { 97 (echo 98 echo "ERROR: $1" 99 while test -n "$2"; do 100 echo " $2" 101 shift 102 done 103 echo) >&2 104} 105 106error_exit() { 107 print_error "$@" 108 exit 1 109} 110 111do_compiler() { 112 # Run the compiler, capturing its output to the log. First argument 113 # is compiler binary to execute. 114 local compiler="$1" 115 shift 116 if test -n "$BASH_VERSION"; then eval ' 117 echo >>config.log " 118funcs: ${FUNCNAME[*]} 119lines: ${BASH_LINENO[*]}" 120 '; fi 121 echo $compiler "$@" >> config.log 122 $compiler "$@" >> config.log 2>&1 || return $? 123} 124 125do_compiler_werror() { 126 # Run the compiler, capturing its output to the log. First argument 127 # is compiler binary to execute. 128 compiler="$1" 129 shift 130 if test -n "$BASH_VERSION"; then eval ' 131 echo >>config.log " 132funcs: ${FUNCNAME[*]} 133lines: ${BASH_LINENO[*]}" 134 '; fi 135 echo $compiler "$@" >> config.log 136 $compiler "$@" >> config.log 2>&1 || return $? 137 # Test passed. If this is an --enable-werror build, rerun 138 # the test with -Werror and bail out if it fails. This 139 # makes warning-generating-errors in configure test code 140 # obvious to developers. 141 if test "$werror" != "yes"; then 142 return 0 143 fi 144 # Don't bother rerunning the compile if we were already using -Werror 145 case "$*" in 146 *-Werror*) 147 return 0 148 ;; 149 esac 150 echo $compiler -Werror "$@" >> config.log 151 $compiler -Werror "$@" >> config.log 2>&1 && return $? 152 error_exit "configure test passed without -Werror but failed with -Werror." \ 153 "This is probably a bug in the configure script. The failing command" \ 154 "will be at the bottom of config.log." \ 155 "You can run configure with --disable-werror to bypass this check." 156} 157 158do_cc() { 159 do_compiler_werror "$cc" $CPU_CFLAGS "$@" 160} 161 162do_cxx() { 163 do_compiler_werror "$cxx" $CPU_CFLAGS "$@" 164} 165 166do_objc() { 167 do_compiler_werror "$objcc" $CPU_CFLAGS "$@" 168} 169 170# Append $2 to the variable named $1, with space separation 171add_to() { 172 eval $1=\${$1:+\"\$$1 \"}\$2 173} 174 175update_cxxflags() { 176 # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those 177 # options which some versions of GCC's C++ compiler complain about 178 # because they only make sense for C programs. 179 QEMU_CXXFLAGS="-D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS" 180 CONFIGURE_CXXFLAGS=$(echo "$CONFIGURE_CFLAGS" | sed s/-std=gnu11/-std=gnu++11/) 181 for arg in $QEMU_CFLAGS; do 182 case $arg in 183 -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\ 184 -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls) 185 ;; 186 *) 187 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg 188 ;; 189 esac 190 done 191} 192 193compile_object() { 194 local_cflags="$1" 195 do_cc $CFLAGS $EXTRA_CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC 196} 197 198compile_prog() { 199 local_cflags="$1" 200 local_ldflags="$2" 201 do_cc $CFLAGS $EXTRA_CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC \ 202 $LDFLAGS $EXTRA_LDFLAGS $CONFIGURE_LDFLAGS $QEMU_LDFLAGS $local_ldflags 203} 204 205# symbolically link $1 to $2. Portable version of "ln -sf". 206symlink() { 207 rm -rf "$2" 208 mkdir -p "$(dirname "$2")" 209 ln -s "$1" "$2" 210} 211 212# check whether a command is available to this shell (may be either an 213# executable or a builtin) 214has() { 215 type "$1" >/dev/null 2>&1 216} 217 218version_ge () { 219 local_ver1=$(expr "$1" : '\([0-9.]*\)' | tr . ' ') 220 local_ver2=$(echo "$2" | tr . ' ') 221 while true; do 222 set x $local_ver1 223 local_first=${2-0} 224 # 'shift 2' if $2 is set, or 'shift' if $2 is not set 225 shift ${2:+2} 226 local_ver1=$* 227 set x $local_ver2 228 # the second argument finished, the first must be greater or equal 229 test $# = 1 && return 0 230 test $local_first -lt $2 && return 1 231 test $local_first -gt $2 && return 0 232 shift ${2:+2} 233 local_ver2=$* 234 done 235} 236 237glob() { 238 eval test -z '"${1#'"$2"'}"' 239} 240 241if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]"; 242then 243 error_exit "main directory cannot contain spaces nor colons" 244fi 245 246# default parameters 247cpu="" 248static="no" 249cross_compile="no" 250cross_prefix="" 251host_cc="cc" 252stack_protector="" 253safe_stack="" 254use_containers="yes" 255gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb") 256 257if test -e "$source_path/.git" 258then 259 git_submodules_action="update" 260else 261 git_submodules_action="ignore" 262fi 263 264git_submodules="ui/keycodemapdb" 265git="git" 266 267# Don't accept a target_list environment variable. 268unset target_list 269unset target_list_exclude 270 271# Default value for a variable defining feature "foo". 272# * foo="no" feature will only be used if --enable-foo arg is given 273# * foo="" feature will be searched for, and if found, will be used 274# unless --disable-foo is given 275# * foo="yes" this value will only be set by --enable-foo flag. 276# feature will searched for, 277# if not found, configure exits with error 278# 279# Always add --enable-foo and --disable-foo command line args. 280# Distributions want to ensure that several features are compiled in, and it 281# is impossible without a --enable-foo that exits if a feature is not found. 282 283default_feature="" 284# parse CC options second 285for opt do 286 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 287 case "$opt" in 288 --without-default-features) 289 default_feature="no" 290 ;; 291 esac 292done 293 294EXTRA_CFLAGS="" 295EXTRA_CXXFLAGS="" 296EXTRA_OBJCFLAGS="" 297EXTRA_LDFLAGS="" 298 299debug_tcg="no" 300sanitizers="no" 301tsan="no" 302fortify_source="yes" 303EXESUF="" 304modules="no" 305prefix="/usr/local" 306qemu_suffix="qemu" 307softmmu="yes" 308linux_user="" 309bsd_user="" 310pie="" 311coroutine="" 312plugins="$default_feature" 313meson="" 314meson_args="" 315ninja="" 316bindir="bin" 317skip_meson=no 318vfio_user_server="disabled" 319 320# The following Meson options are handled manually (still they 321# are included in the automatically generated help message) 322 323# 1. Track which submodules are needed 324if test "$default_feature" = no ; then 325 slirp="disabled" 326else 327 slirp="auto" 328fi 329fdt="auto" 330 331# 2. Automatically enable/disable other options 332tcg="enabled" 333cfi="false" 334 335# parse CC options second 336for opt do 337 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 338 case "$opt" in 339 --cross-prefix=*) cross_prefix="$optarg" 340 cross_compile="yes" 341 ;; 342 --cc=*) CC="$optarg" 343 ;; 344 --cxx=*) CXX="$optarg" 345 ;; 346 --cpu=*) cpu="$optarg" 347 ;; 348 --extra-cflags=*) 349 EXTRA_CFLAGS="$EXTRA_CFLAGS $optarg" 350 EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg" 351 EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg" 352 ;; 353 --extra-cxxflags=*) EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg" 354 ;; 355 --extra-objcflags=*) EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg" 356 ;; 357 --extra-ldflags=*) EXTRA_LDFLAGS="$EXTRA_LDFLAGS $optarg" 358 ;; 359 --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option" 360 ;; 361 --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-cflags-}; cc_arch=${cc_arch%%=*} 362 eval "cross_cc_cflags_${cc_arch}=\$optarg" 363 ;; 364 --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*} 365 eval "cross_cc_${cc_arch}=\$optarg" 366 ;; 367 --cross-prefix-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-prefix-FOO option" 368 ;; 369 --cross-prefix-*) cc_arch=${opt#--cross-prefix-}; cc_arch=${cc_arch%%=*} 370 eval "cross_prefix_${cc_arch}=\$optarg" 371 ;; 372 esac 373done 374# OS specific 375# Using uname is really, really broken. Once we have the right set of checks 376# we can eliminate its usage altogether. 377 378# Preferred compiler: 379# ${CC} (if set) 380# ${cross_prefix}gcc (if cross-prefix specified) 381# system compiler 382if test -z "${CC}${cross_prefix}"; then 383 cc="$host_cc" 384else 385 cc="${CC-${cross_prefix}gcc}" 386fi 387 388if test -z "${CXX}${cross_prefix}"; then 389 cxx="c++" 390else 391 cxx="${CXX-${cross_prefix}g++}" 392fi 393 394ar="${AR-${cross_prefix}ar}" 395as="${AS-${cross_prefix}as}" 396ccas="${CCAS-$cc}" 397objcopy="${OBJCOPY-${cross_prefix}objcopy}" 398ld="${LD-${cross_prefix}ld}" 399ranlib="${RANLIB-${cross_prefix}ranlib}" 400nm="${NM-${cross_prefix}nm}" 401smbd="$SMBD" 402strip="${STRIP-${cross_prefix}strip}" 403widl="${WIDL-${cross_prefix}widl}" 404windres="${WINDRES-${cross_prefix}windres}" 405pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}" 406query_pkg_config() { 407 "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@" 408} 409pkg_config=query_pkg_config 410sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}" 411 412# default flags for all hosts 413# We use -fwrapv to tell the compiler that we require a C dialect where 414# left shift of signed integers is well defined and has the expected 415# 2s-complement style results. (Both clang and gcc agree that it 416# provides these semantics.) 417QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv" 418QEMU_CFLAGS="-Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS" 419QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS" 420QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS" 421 422QEMU_LDFLAGS= 423 424# Flags that are needed during configure but later taken care of by Meson 425CONFIGURE_CFLAGS="-std=gnu11 -Wall" 426CONFIGURE_LDFLAGS= 427 428 429check_define() { 430cat > $TMPC <<EOF 431#if !defined($1) 432#error $1 not defined 433#endif 434int main(void) { return 0; } 435EOF 436 compile_object 437} 438 439check_include() { 440cat > $TMPC <<EOF 441#include <$1> 442int main(void) { return 0; } 443EOF 444 compile_object 445} 446 447write_c_skeleton() { 448 cat > $TMPC <<EOF 449int main(void) { return 0; } 450EOF 451} 452 453if check_define __linux__ ; then 454 targetos=linux 455elif check_define _WIN32 ; then 456 targetos=windows 457elif check_define __OpenBSD__ ; then 458 targetos=openbsd 459elif check_define __sun__ ; then 460 targetos=sunos 461elif check_define __HAIKU__ ; then 462 targetos=haiku 463elif check_define __FreeBSD__ ; then 464 targetos=freebsd 465elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then 466 targetos=gnu/kfreebsd 467elif check_define __DragonFly__ ; then 468 targetos=dragonfly 469elif check_define __NetBSD__; then 470 targetos=netbsd 471elif check_define __APPLE__; then 472 targetos=darwin 473else 474 # This is a fatal error, but don't report it yet, because we 475 # might be going to just print the --help text, or it might 476 # be the result of a missing compiler. 477 targetos=bogus 478fi 479 480# OS specific 481 482mingw32="no" 483bsd="no" 484linux="no" 485solaris="no" 486case $targetos in 487windows) 488 mingw32="yes" 489 plugins="no" 490 pie="no" 491;; 492gnu/kfreebsd) 493 bsd="yes" 494;; 495freebsd) 496 bsd="yes" 497 make="${MAKE-gmake}" 498 # needed for kinfo_getvmmap(3) in libutil.h 499;; 500dragonfly) 501 bsd="yes" 502 make="${MAKE-gmake}" 503;; 504netbsd) 505 bsd="yes" 506 make="${MAKE-gmake}" 507;; 508openbsd) 509 bsd="yes" 510 make="${MAKE-gmake}" 511;; 512darwin) 513 bsd="yes" 514 darwin="yes" 515 # Disable attempts to use ObjectiveC features in os/object.h since they 516 # won't work when we're compiling with gcc as a C compiler. 517 QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS" 518;; 519sunos) 520 solaris="yes" 521 make="${MAKE-gmake}" 522# needed for CMSG_ macros in sys/socket.h 523 QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS" 524# needed for TIOCWIN* defines in termios.h 525 QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS" 526 # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo 527 # Note that this check is broken for cross-compilation: if you're 528 # cross-compiling to one of these OSes then you'll need to specify 529 # the correct CPU with the --cpu option. 530 if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then 531 cpu="x86_64" 532 fi 533;; 534haiku) 535 pie="no" 536 QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -D_BSD_SOURCE -fPIC $QEMU_CFLAGS" 537;; 538linux) 539 linux="yes" 540;; 541esac 542 543if test ! -z "$cpu" ; then 544 # command line argument 545 : 546elif check_define __i386__ ; then 547 cpu="i386" 548elif check_define __x86_64__ ; then 549 if check_define __ILP32__ ; then 550 cpu="x32" 551 else 552 cpu="x86_64" 553 fi 554elif check_define __sparc__ ; then 555 if check_define __arch64__ ; then 556 cpu="sparc64" 557 else 558 cpu="sparc" 559 fi 560elif check_define _ARCH_PPC ; then 561 if check_define _ARCH_PPC64 ; then 562 if check_define _LITTLE_ENDIAN ; then 563 cpu="ppc64le" 564 else 565 cpu="ppc64" 566 fi 567 else 568 cpu="ppc" 569 fi 570elif check_define __mips__ ; then 571 cpu="mips" 572elif check_define __s390__ ; then 573 if check_define __s390x__ ; then 574 cpu="s390x" 575 else 576 cpu="s390" 577 fi 578elif check_define __riscv ; then 579 cpu="riscv" 580elif check_define __arm__ ; then 581 cpu="arm" 582elif check_define __aarch64__ ; then 583 cpu="aarch64" 584elif check_define __loongarch64 ; then 585 cpu="loongarch64" 586else 587 cpu=$(uname -m) 588fi 589 590# Normalise host CPU name, set multilib cflags 591# Note that this case should only have supported host CPUs, not guests. 592case "$cpu" in 593 armv*b|armv*l|arm) 594 cpu="arm" ;; 595 596 i386|i486|i586|i686|i86pc|BePC) 597 cpu="i386" 598 CPU_CFLAGS="-m32" ;; 599 x32) 600 cpu="x86_64" 601 CPU_CFLAGS="-mx32" ;; 602 x86_64|amd64) 603 cpu="x86_64" 604 # ??? Only extremely old AMD cpus do not have cmpxchg16b. 605 # If we truly care, we should simply detect this case at 606 # runtime and generate the fallback to serial emulation. 607 CPU_CFLAGS="-m64 -mcx16" ;; 608 609 mips*) 610 cpu="mips" ;; 611 612 ppc) 613 CPU_CFLAGS="-m32" ;; 614 ppc64) 615 CPU_CFLAGS="-m64 -mbig-endian" ;; 616 ppc64le) 617 cpu="ppc64" 618 CPU_CFLAGS="-m64 -mlittle-endian" ;; 619 620 s390) 621 CPU_CFLAGS="-m31" ;; 622 s390x) 623 CPU_CFLAGS="-m64" ;; 624 625 sparc|sun4[cdmuv]) 626 cpu="sparc" 627 CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc" ;; 628 sparc64) 629 CPU_CFLAGS="-m64 -mcpu=ultrasparc" ;; 630esac 631 632: ${make=${MAKE-make}} 633 634# We prefer python 3.x. A bare 'python' is traditionally 635# python 2.x, but some distros have it as python 3.x, so 636# we check that too 637python= 638explicit_python=no 639for binary in "${PYTHON-python3}" python 640do 641 if has "$binary" 642 then 643 python=$(command -v "$binary") 644 break 645 fi 646done 647 648 649# Check for ancillary tools used in testing 650genisoimage= 651for binary in genisoimage mkisofs 652do 653 if has $binary 654 then 655 genisoimage=$(command -v "$binary") 656 break 657 fi 658done 659 660# Default objcc to clang if available, otherwise use CC 661if has clang; then 662 objcc=clang 663else 664 objcc="$cc" 665fi 666 667if test "$mingw32" = "yes" ; then 668 EXESUF=".exe" 669 # MinGW needs -mthreads for TLS and macro _MT. 670 CONFIGURE_CFLAGS="-mthreads $CONFIGURE_CFLAGS" 671 write_c_skeleton; 672 prefix="/qemu" 673 bindir="" 674 qemu_suffix="" 675fi 676 677werror="" 678 679. $source_path/scripts/meson-buildoptions.sh 680 681meson_options= 682meson_option_add() { 683 meson_options="$meson_options $(quote_sh "$1")" 684} 685meson_option_parse() { 686 meson_options="$meson_options $(_meson_option_parse "$@")" 687 if test $? -eq 1; then 688 echo "ERROR: unknown option $1" 689 echo "Try '$0 --help' for more information" 690 exit 1 691 fi 692} 693 694for opt do 695 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 696 case "$opt" in 697 --help|-h) show_help=yes 698 ;; 699 --version|-V) exec cat $source_path/VERSION 700 ;; 701 --prefix=*) prefix="$optarg" 702 ;; 703 --cross-prefix=*) 704 ;; 705 --cc=*) 706 ;; 707 --host-cc=*) host_cc="$optarg" 708 ;; 709 --cxx=*) 710 ;; 711 --objcc=*) objcc="$optarg" 712 ;; 713 --make=*) make="$optarg" 714 ;; 715 --install=*) 716 ;; 717 --python=*) python="$optarg" ; explicit_python=yes 718 ;; 719 --skip-meson) skip_meson=yes 720 ;; 721 --meson=*) meson="$optarg" 722 ;; 723 --ninja=*) ninja="$optarg" 724 ;; 725 --smbd=*) smbd="$optarg" 726 ;; 727 --extra-cflags=*) 728 ;; 729 --extra-cxxflags=*) 730 ;; 731 --extra-objcflags=*) 732 ;; 733 --extra-ldflags=*) 734 ;; 735 --cross-cc-*) 736 ;; 737 --cross-prefix-*) 738 ;; 739 --enable-debug-info) meson_option_add -Ddebug=true 740 ;; 741 --disable-debug-info) meson_option_add -Ddebug=false 742 ;; 743 --enable-modules) 744 modules="yes" 745 ;; 746 --disable-modules) 747 modules="no" 748 ;; 749 --cpu=*) 750 ;; 751 --target-list=*) target_list="$optarg" 752 if test "$target_list_exclude"; then 753 error_exit "Can't mix --target-list with --target-list-exclude" 754 fi 755 ;; 756 --target-list-exclude=*) target_list_exclude="$optarg" 757 if test "$target_list"; then 758 error_exit "Can't mix --target-list-exclude with --target-list" 759 fi 760 ;; 761 --with-default-devices) meson_option_add -Ddefault_devices=true 762 ;; 763 --without-default-devices) meson_option_add -Ddefault_devices=false 764 ;; 765 --with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option" 766 ;; 767 --with-devices-*) device_arch=${opt#--with-devices-}; 768 device_arch=${device_arch%%=*} 769 cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak 770 if test -f "$cf"; then 771 device_archs="$device_archs $device_arch" 772 eval "devices_${device_arch}=\$optarg" 773 else 774 error_exit "File $cf does not exist" 775 fi 776 ;; 777 --without-default-features) # processed above 778 ;; 779 --static) 780 static="yes" 781 QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS" 782 ;; 783 --bindir=*) bindir="$optarg" 784 ;; 785 --with-suffix=*) qemu_suffix="$optarg" 786 ;; 787 --host=*|--build=*|\ 788 --disable-dependency-tracking|\ 789 --sbindir=*|--sharedstatedir=*|\ 790 --oldincludedir=*|--datarootdir=*|--infodir=*|\ 791 --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*) 792 # These switches are silently ignored, for compatibility with 793 # autoconf-generated configure scripts. This allows QEMU's 794 # configure to be used by RPM and similar macros that set 795 # lots of directory switches by default. 796 ;; 797 --enable-debug-tcg) debug_tcg="yes" 798 ;; 799 --disable-debug-tcg) debug_tcg="no" 800 ;; 801 --enable-debug) 802 # Enable debugging options that aren't excessively noisy 803 debug_tcg="yes" 804 meson_option_parse --enable-debug-mutex "" 805 meson_option_add -Doptimization=0 806 fortify_source="no" 807 ;; 808 --enable-sanitizers) sanitizers="yes" 809 ;; 810 --disable-sanitizers) sanitizers="no" 811 ;; 812 --enable-tsan) tsan="yes" 813 ;; 814 --disable-tsan) tsan="no" 815 ;; 816 --disable-slirp) slirp="disabled" 817 ;; 818 --enable-slirp) slirp="enabled" 819 ;; 820 --enable-slirp=git) slirp="internal" 821 ;; 822 --enable-slirp=*) slirp="$optarg" 823 ;; 824 --disable-tcg) tcg="disabled" 825 plugins="no" 826 ;; 827 --enable-tcg) tcg="enabled" 828 ;; 829 --disable-system) softmmu="no" 830 ;; 831 --enable-system) softmmu="yes" 832 ;; 833 --disable-user) 834 linux_user="no" ; 835 bsd_user="no" ; 836 ;; 837 --enable-user) ;; 838 --disable-linux-user) linux_user="no" 839 ;; 840 --enable-linux-user) linux_user="yes" 841 ;; 842 --disable-bsd-user) bsd_user="no" 843 ;; 844 --enable-bsd-user) bsd_user="yes" 845 ;; 846 --enable-pie) pie="yes" 847 ;; 848 --disable-pie) pie="no" 849 ;; 850 --enable-werror) werror="yes" 851 ;; 852 --disable-werror) werror="no" 853 ;; 854 --enable-stack-protector) stack_protector="yes" 855 ;; 856 --disable-stack-protector) stack_protector="no" 857 ;; 858 --enable-safe-stack) safe_stack="yes" 859 ;; 860 --disable-safe-stack) safe_stack="no" 861 ;; 862 --enable-cfi) 863 cfi="true"; 864 meson_option_add -Db_lto=true 865 ;; 866 --disable-cfi) cfi="false" 867 ;; 868 --disable-fdt) fdt="disabled" 869 ;; 870 --enable-fdt) fdt="enabled" 871 ;; 872 --enable-fdt=git) fdt="internal" 873 ;; 874 --enable-fdt=*) fdt="$optarg" 875 ;; 876 --with-coroutine=*) coroutine="$optarg" 877 ;; 878 --disable-zlib-test) 879 ;; 880 --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane) 881 echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2 882 ;; 883 --enable-vhdx|--disable-vhdx) 884 echo "$0: $opt is obsolete, VHDX driver is always built" >&2 885 ;; 886 --enable-uuid|--disable-uuid) 887 echo "$0: $opt is obsolete, UUID support is always built" >&2 888 ;; 889 --with-git=*) git="$optarg" 890 ;; 891 --with-git-submodules=*) 892 git_submodules_action="$optarg" 893 ;; 894 --enable-plugins) if test "$mingw32" = "yes"; then 895 error_exit "TCG plugins not currently supported on Windows platforms" 896 else 897 plugins="yes" 898 fi 899 ;; 900 --disable-plugins) plugins="no" 901 ;; 902 --enable-containers) use_containers="yes" 903 ;; 904 --disable-containers) use_containers="no" 905 ;; 906 --gdb=*) gdb_bin="$optarg" 907 ;; 908 # backwards compatibility options 909 --enable-trace-backend=*) meson_option_parse "--enable-trace-backends=$optarg" "$optarg" 910 ;; 911 --disable-blobs) meson_option_parse --disable-install-blobs "" 912 ;; 913 --enable-vfio-user-server) vfio_user_server="enabled" 914 ;; 915 --disable-vfio-user-server) vfio_user_server="disabled" 916 ;; 917 --enable-tcmalloc) meson_option_parse --enable-malloc=tcmalloc tcmalloc 918 ;; 919 --enable-jemalloc) meson_option_parse --enable-malloc=jemalloc jemalloc 920 ;; 921 # everything else has the same name in configure and meson 922 --*) meson_option_parse "$opt" "$optarg" 923 ;; 924 esac 925done 926 927# test for any invalid configuration combinations 928if test "$plugins" = "yes" -a "$tcg" = "disabled"; then 929 error_exit "Can't enable plugins on non-TCG builds" 930fi 931 932case $git_submodules_action in 933 update|validate) 934 if test ! -e "$source_path/.git"; then 935 echo "ERROR: cannot $git_submodules_action git submodules without .git" 936 exit 1 937 fi 938 ;; 939 ignore) 940 if ! test -f "$source_path/ui/keycodemapdb/README" 941 then 942 echo 943 echo "ERROR: missing GIT submodules" 944 echo 945 if test -e "$source_path/.git"; then 946 echo "--with-git-submodules=ignore specified but submodules were not" 947 echo "checked out. Please initialize and update submodules." 948 else 949 echo "This is not a GIT checkout but module content appears to" 950 echo "be missing. Do not use 'git archive' or GitHub download links" 951 echo "to acquire QEMU source archives. Non-GIT builds are only" 952 echo "supported with source archives linked from:" 953 echo 954 echo " https://www.qemu.org/download/#source" 955 echo 956 echo "Developers working with GIT can use scripts/archive-source.sh" 957 echo "if they need to create valid source archives." 958 fi 959 echo 960 exit 1 961 fi 962 ;; 963 *) 964 echo "ERROR: invalid --with-git-submodules= value '$git_submodules_action'" 965 exit 1 966 ;; 967esac 968 969default_target_list="" 970mak_wilds="" 971 972if [ "$linux_user" != no ]; then 973 if [ "$targetos" = linux ] && [ -d $source_path/linux-user/include/host/$cpu ]; then 974 linux_user=yes 975 elif [ "$linux_user" = yes ]; then 976 error_exit "linux-user not supported on this architecture" 977 fi 978fi 979if [ "$bsd_user" != no ]; then 980 if [ "$bsd_user" = "" ]; then 981 test $targetos = freebsd && bsd_user=yes 982 fi 983 if [ "$bsd_user" = yes ] && ! [ -d $source_path/bsd-user/$targetos ]; then 984 error_exit "bsd-user not supported on this host OS" 985 fi 986fi 987if [ "$softmmu" = "yes" ]; then 988 mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak" 989fi 990if [ "$linux_user" = "yes" ]; then 991 mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak" 992fi 993if [ "$bsd_user" = "yes" ]; then 994 mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak" 995fi 996 997for config in $mak_wilds; do 998 target="$(basename "$config" .mak)" 999 if echo "$target_list_exclude" | grep -vq "$target"; then 1000 default_target_list="${default_target_list} $target" 1001 fi 1002done 1003 1004if test x"$show_help" = x"yes" ; then 1005cat << EOF 1006 1007Usage: configure [options] 1008Options: [defaults in brackets after descriptions] 1009 1010Standard options: 1011 --help print this message 1012 --prefix=PREFIX install in PREFIX [$prefix] 1013 --target-list=LIST set target list (default: build all) 1014$(echo Available targets: $default_target_list | \ 1015 fold -s -w 53 | sed -e 's/^/ /') 1016 --target-list-exclude=LIST exclude a set of targets from the default target-list 1017 1018Advanced options (experts only): 1019 --cross-prefix=PREFIX use PREFIX for compile tools, PREFIX can be blank [$cross_prefix] 1020 --cc=CC use C compiler CC [$cc] 1021 --host-cc=CC use C compiler CC [$host_cc] for code run at 1022 build time 1023 --cxx=CXX use C++ compiler CXX [$cxx] 1024 --objcc=OBJCC use Objective-C compiler OBJCC [$objcc] 1025 --extra-cflags=CFLAGS append extra C compiler flags CFLAGS 1026 --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS 1027 --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS 1028 --extra-ldflags=LDFLAGS append extra linker flags LDFLAGS 1029 --cross-cc-ARCH=CC use compiler when building ARCH guest test cases 1030 --cross-cc-cflags-ARCH= use compiler flags when building ARCH guest tests 1031 --cross-prefix-ARCH=PREFIX cross compiler prefix when building ARCH guest test cases 1032 --make=MAKE use specified make [$make] 1033 --python=PYTHON use specified python [$python] 1034 --meson=MESON use specified meson [$meson] 1035 --ninja=NINJA use specified ninja [$ninja] 1036 --smbd=SMBD use specified smbd [$smbd] 1037 --with-git=GIT use specified git [$git] 1038 --with-git-submodules=update update git submodules (default if .git dir exists) 1039 --with-git-submodules=validate fail if git submodules are not up to date 1040 --with-git-submodules=ignore do not update or check git submodules (default if no .git dir) 1041 --static enable static build [$static] 1042 --bindir=PATH install binaries in PATH 1043 --with-suffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix] 1044 --without-default-features default all --enable-* options to "disabled" 1045 --without-default-devices do not include any device that is not needed to 1046 start the emulator (only use if you are including 1047 desired devices in configs/devices/) 1048 --with-devices-ARCH=NAME override default configs/devices 1049 --enable-debug enable common debug build options 1050 --enable-sanitizers enable default sanitizers 1051 --enable-tsan enable thread sanitizer 1052 --disable-werror disable compilation abort on warning 1053 --disable-stack-protector disable compiler-provided stack protection 1054 --cpu=CPU Build for host CPU [$cpu] 1055 --with-coroutine=BACKEND coroutine backend. Supported options: 1056 ucontext, sigaltstack, windows 1057 --enable-plugins 1058 enable plugins via shared library loading 1059 --disable-containers don't use containers for cross-building 1060 --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin] 1061EOF 1062 meson_options_help 1063cat << EOF 1064 system all system emulation targets 1065 user supported user emulation targets 1066 linux-user all linux usermode emulation targets 1067 bsd-user all BSD usermode emulation targets 1068 pie Position Independent Executables 1069 modules modules support (non-Windows) 1070 debug-tcg TCG debugging (default is disabled) 1071 debug-info debugging information 1072 safe-stack SafeStack Stack Smash Protection. Depends on 1073 clang/llvm >= 3.7 and requires coroutine backend ucontext. 1074 1075NOTE: The object files are built at the place where configure is launched 1076EOF 1077exit 0 1078fi 1079 1080# Remove old dependency files to make sure that they get properly regenerated 1081rm -f */config-devices.mak.d 1082 1083if test -z "$python" 1084then 1085 error_exit "Python not found. Use --python=/path/to/python" 1086fi 1087if ! has "$make" 1088then 1089 error_exit "GNU make ($make) not found" 1090fi 1091 1092# Note that if the Python conditional here evaluates True we will exit 1093# with status 1 which is a shell 'false' value. 1094if ! $python -c 'import sys; sys.exit(sys.version_info < (3,6))'; then 1095 error_exit "Cannot use '$python', Python >= 3.6 is required." \ 1096 "Use --python=/path/to/python to specify a supported Python." 1097fi 1098 1099# Preserve python version since some functionality is dependent on it 1100python_version=$($python -c 'import sys; print("%d.%d.%d" % (sys.version_info[0], sys.version_info[1], sys.version_info[2]))' 2>/dev/null) 1101 1102# Suppress writing compiled files 1103python="$python -B" 1104 1105if test -z "$meson"; then 1106 if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.59.3; then 1107 meson=meson 1108 elif test $git_submodules_action != 'ignore' ; then 1109 meson=git 1110 elif test -e "${source_path}/meson/meson.py" ; then 1111 meson=internal 1112 else 1113 if test "$explicit_python" = yes; then 1114 error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found." 1115 else 1116 error_exit "Meson not found. Use --meson=/path/to/meson" 1117 fi 1118 fi 1119else 1120 # Meson uses its own Python interpreter to invoke other Python scripts, 1121 # but the user wants to use the one they specified with --python. 1122 # 1123 # We do not want to override the distro Python interpreter (and sometimes 1124 # cannot: for example in Homebrew /usr/bin/meson is a bash script), so 1125 # just require --meson=git|internal together with --python. 1126 if test "$explicit_python" = yes; then 1127 case "$meson" in 1128 git | internal) ;; 1129 *) error_exit "--python requires using QEMU's embedded Meson distribution." ;; 1130 esac 1131 fi 1132fi 1133 1134if test "$meson" = git; then 1135 git_submodules="${git_submodules} meson" 1136fi 1137 1138case "$meson" in 1139 git | internal) 1140 meson="$python ${source_path}/meson/meson.py" 1141 ;; 1142 *) meson=$(command -v "$meson") ;; 1143esac 1144 1145# Probe for ninja 1146 1147if test -z "$ninja"; then 1148 for c in ninja ninja-build samu; do 1149 if has $c; then 1150 ninja=$(command -v "$c") 1151 break 1152 fi 1153 done 1154 if test -z "$ninja"; then 1155 error_exit "Cannot find Ninja" 1156 fi 1157fi 1158 1159# Check that the C compiler works. Doing this here before testing 1160# the host CPU ensures that we had a valid CC to autodetect the 1161# $cpu var (and we should bail right here if that's not the case). 1162# It also allows the help message to be printed without a CC. 1163write_c_skeleton; 1164if compile_object ; then 1165 : C compiler works ok 1166else 1167 error_exit "\"$cc\" either does not exist or does not work" 1168fi 1169if ! compile_prog ; then 1170 error_exit "\"$cc\" cannot build an executable (is your linker broken?)" 1171fi 1172 1173# Consult white-list to determine whether to enable werror 1174# by default. Only enable by default for git builds 1175if test -z "$werror" ; then 1176 if test "$git_submodules_action" != "ignore" && \ 1177 { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then 1178 werror="yes" 1179 else 1180 werror="no" 1181 fi 1182fi 1183 1184if test "$targetos" = "bogus"; then 1185 # Now that we know that we're not printing the help and that 1186 # the compiler works (so the results of the check_defines we used 1187 # to identify the OS are reliable), if we didn't recognize the 1188 # host OS we should stop now. 1189 error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')" 1190fi 1191 1192# Check whether the compiler matches our minimum requirements: 1193cat > $TMPC << EOF 1194#if defined(__clang_major__) && defined(__clang_minor__) 1195# ifdef __apple_build_version__ 1196# if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0) 1197# error You need at least XCode Clang v10.0 to compile QEMU 1198# endif 1199# else 1200# if __clang_major__ < 6 || (__clang_major__ == 6 && __clang_minor__ < 0) 1201# error You need at least Clang v6.0 to compile QEMU 1202# endif 1203# endif 1204#elif defined(__GNUC__) && defined(__GNUC_MINOR__) 1205# if __GNUC__ < 7 || (__GNUC__ == 7 && __GNUC_MINOR__ < 4) 1206# error You need at least GCC v7.4.0 to compile QEMU 1207# endif 1208#else 1209# error You either need GCC or Clang to compiler QEMU 1210#endif 1211int main (void) { return 0; } 1212EOF 1213if ! compile_prog "" "" ; then 1214 error_exit "You need at least GCC v7.4 or Clang v6.0 (or XCode Clang v10.0)" 1215fi 1216 1217# Accumulate -Wfoo and -Wno-bar separately. 1218# We will list all of the enable flags first, and the disable flags second. 1219# Note that we do not add -Werror, because that would enable it for all 1220# configure tests. If a configure test failed due to -Werror this would 1221# just silently disable some features, so it's too error prone. 1222 1223warn_flags= 1224add_to warn_flags -Wold-style-declaration 1225add_to warn_flags -Wold-style-definition 1226add_to warn_flags -Wtype-limits 1227add_to warn_flags -Wformat-security 1228add_to warn_flags -Wformat-y2k 1229add_to warn_flags -Winit-self 1230add_to warn_flags -Wignored-qualifiers 1231add_to warn_flags -Wempty-body 1232add_to warn_flags -Wnested-externs 1233add_to warn_flags -Wendif-labels 1234add_to warn_flags -Wexpansion-to-defined 1235add_to warn_flags -Wimplicit-fallthrough=2 1236 1237nowarn_flags= 1238add_to nowarn_flags -Wno-initializer-overrides 1239add_to nowarn_flags -Wno-missing-include-dirs 1240add_to nowarn_flags -Wno-shift-negative-value 1241add_to nowarn_flags -Wno-string-plus-int 1242add_to nowarn_flags -Wno-typedef-redefinition 1243add_to nowarn_flags -Wno-tautological-type-limit-compare 1244add_to nowarn_flags -Wno-psabi 1245 1246gcc_flags="$warn_flags $nowarn_flags" 1247 1248cc_has_warning_flag() { 1249 write_c_skeleton; 1250 1251 # Use the positive sense of the flag when testing for -Wno-wombat 1252 # support (gcc will happily accept the -Wno- form of unknown 1253 # warning options). 1254 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')" 1255 compile_prog "-Werror $optflag" "" 1256} 1257 1258objcc_has_warning_flag() { 1259 cat > $TMPM <<EOF 1260int main(void) { return 0; } 1261EOF 1262 1263 # Use the positive sense of the flag when testing for -Wno-wombat 1264 # support (gcc will happily accept the -Wno- form of unknown 1265 # warning options). 1266 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')" 1267 do_objc -Werror $optflag \ 1268 $OBJCFLAGS $EXTRA_OBJCFLAGS $CONFIGURE_OBJCFLAGS $QEMU_OBJCFLAGS \ 1269 -o $TMPE $TMPM $QEMU_LDFLAGS 1270} 1271 1272for flag in $gcc_flags; do 1273 if cc_has_warning_flag $flag ; then 1274 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1275 fi 1276 if objcc_has_warning_flag $flag ; then 1277 QEMU_OBJCFLAGS="$QEMU_OBJCFLAGS $flag" 1278 fi 1279done 1280 1281if test "$stack_protector" != "no"; then 1282 cat > $TMPC << EOF 1283int main(int argc, char *argv[]) 1284{ 1285 char arr[64], *p = arr, *c = argv[0]; 1286 while (*c) { 1287 *p++ = *c++; 1288 } 1289 return 0; 1290} 1291EOF 1292 gcc_flags="-fstack-protector-strong -fstack-protector-all" 1293 sp_on=0 1294 for flag in $gcc_flags; do 1295 # We need to check both a compile and a link, since some compiler 1296 # setups fail only on a .c->.o compile and some only at link time 1297 if compile_object "-Werror $flag" && 1298 compile_prog "-Werror $flag" ""; then 1299 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1300 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 1301 sp_on=1 1302 break 1303 fi 1304 done 1305 if test "$stack_protector" = yes; then 1306 if test $sp_on = 0; then 1307 error_exit "Stack protector not supported" 1308 fi 1309 fi 1310fi 1311 1312# Disable -Wmissing-braces on older compilers that warn even for 1313# the "universal" C zero initializer {0}. 1314cat > $TMPC << EOF 1315struct { 1316 int a[2]; 1317} x = {0}; 1318EOF 1319if compile_object "-Werror" "" ; then 1320 : 1321else 1322 QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces" 1323fi 1324 1325# Our module code doesn't support Windows 1326if test "$modules" = "yes" && test "$mingw32" = "yes" ; then 1327 error_exit "Modules are not available for Windows" 1328fi 1329 1330# Static linking is not possible with plugins, modules or PIE 1331if test "$static" = "yes" ; then 1332 if test "$modules" = "yes" ; then 1333 error_exit "static and modules are mutually incompatible" 1334 fi 1335 if test "$plugins" = "yes"; then 1336 error_exit "static and plugins are mutually incompatible" 1337 else 1338 plugins="no" 1339 fi 1340fi 1341test "$plugins" = "" && plugins=yes 1342 1343cat > $TMPC << EOF 1344 1345#ifdef __linux__ 1346# define THREAD __thread 1347#else 1348# define THREAD 1349#endif 1350static THREAD int tls_var; 1351int main(void) { return tls_var; } 1352EOF 1353 1354# Check we support -fno-pie and -no-pie first; we will need the former for 1355# building ROMs, and both for everything if --disable-pie is passed. 1356if compile_prog "-Werror -fno-pie" "-no-pie"; then 1357 CFLAGS_NOPIE="-fno-pie" 1358 LDFLAGS_NOPIE="-no-pie" 1359fi 1360 1361if test "$static" = "yes"; then 1362 if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then 1363 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" 1364 QEMU_LDFLAGS="-static-pie $QEMU_LDFLAGS" 1365 pie="yes" 1366 elif test "$pie" = "yes"; then 1367 error_exit "-static-pie not available due to missing toolchain support" 1368 else 1369 QEMU_LDFLAGS="-static $QEMU_LDFLAGS" 1370 pie="no" 1371 fi 1372elif test "$pie" = "no"; then 1373 CONFIGURE_CFLAGS="$CFLAGS_NOPIE $CONFIGURE_CFLAGS" 1374 CONFIGURE_LDFLAGS="$LDFLAGS_NOPIE $CONFIGURE_LDFLAGS" 1375elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then 1376 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" 1377 CONFIGURE_LDFLAGS="-pie $CONFIGURE_LDFLAGS" 1378 pie="yes" 1379elif test "$pie" = "yes"; then 1380 error_exit "PIE not available due to missing toolchain support" 1381else 1382 echo "Disabling PIE due to missing toolchain support" 1383 pie="no" 1384fi 1385 1386# Detect support for PT_GNU_RELRO + DT_BIND_NOW. 1387# The combination is known as "full relro", because .got.plt is read-only too. 1388if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then 1389 QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS" 1390fi 1391 1392########################################## 1393# __sync_fetch_and_and requires at least -march=i486. Many toolchains 1394# use i686 as default anyway, but for those that don't, an explicit 1395# specification is necessary 1396 1397if test "$cpu" = "i386"; then 1398 cat > $TMPC << EOF 1399static int sfaa(int *ptr) 1400{ 1401 return __sync_fetch_and_and(ptr, 0); 1402} 1403 1404int main(void) 1405{ 1406 int val = 42; 1407 val = __sync_val_compare_and_swap(&val, 0, 1); 1408 sfaa(&val); 1409 return val; 1410} 1411EOF 1412 if ! compile_prog "" "" ; then 1413 QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS" 1414 fi 1415fi 1416 1417if test "$tcg" = "enabled"; then 1418 git_submodules="$git_submodules tests/fp/berkeley-testfloat-3" 1419 git_submodules="$git_submodules tests/fp/berkeley-softfloat-3" 1420fi 1421 1422if test -z "${target_list+xxx}" ; then 1423 default_targets=yes 1424 for target in $default_target_list; do 1425 target_list="$target_list $target" 1426 done 1427 target_list="${target_list# }" 1428else 1429 default_targets=no 1430 target_list=$(echo "$target_list" | sed -e 's/,/ /g') 1431 for target in $target_list; do 1432 # Check that we recognised the target name; this allows a more 1433 # friendly error message than if we let it fall through. 1434 case " $default_target_list " in 1435 *" $target "*) 1436 ;; 1437 *) 1438 error_exit "Unknown target name '$target'" 1439 ;; 1440 esac 1441 done 1442fi 1443 1444# see if system emulation was really requested 1445case " $target_list " in 1446 *"-softmmu "*) softmmu=yes 1447 ;; 1448 *) softmmu=no 1449 ;; 1450esac 1451 1452feature_not_found() { 1453 feature=$1 1454 remedy=$2 1455 1456 error_exit "User requested feature $feature" \ 1457 "configure was not able to find it." \ 1458 "$remedy" 1459} 1460 1461# --- 1462# big/little endian test 1463cat > $TMPC << EOF 1464#include <stdio.h> 1465short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, }; 1466short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, }; 1467int main(int argc, char *argv[]) 1468{ 1469 return printf("%s %s\n", (char *)big_endian, (char *)little_endian); 1470} 1471EOF 1472 1473if compile_prog ; then 1474 if strings -a $TMPE | grep -q BiGeNdIaN ; then 1475 bigendian="yes" 1476 elif strings -a $TMPE | grep -q LiTtLeEnDiAn ; then 1477 bigendian="no" 1478 else 1479 echo big/little test failed 1480 exit 1 1481 fi 1482else 1483 echo big/little test failed 1484 exit 1 1485fi 1486 1487########################################## 1488# pkg-config probe 1489 1490if ! has "$pkg_config_exe"; then 1491 error_exit "pkg-config binary '$pkg_config_exe' not found" 1492fi 1493 1494########################################## 1495# glib support probe 1496 1497# When bumping glib_req_ver, please check also whether we should increase 1498# the _WIN32_WINNT setting in osdep.h according to the value from glib 1499glib_req_ver=2.56 1500glib_modules=gthread-2.0 1501if test "$modules" = yes; then 1502 glib_modules="$glib_modules gmodule-export-2.0" 1503elif test "$plugins" = "yes"; then 1504 glib_modules="$glib_modules gmodule-no-export-2.0" 1505fi 1506 1507for i in $glib_modules; do 1508 if $pkg_config --atleast-version=$glib_req_ver $i; then 1509 glib_cflags=$($pkg_config --cflags $i) 1510 glib_libs=$($pkg_config --libs $i) 1511 else 1512 error_exit "glib-$glib_req_ver $i is required to compile QEMU" 1513 fi 1514done 1515 1516glib_bindir="$($pkg_config --variable=bindir glib-2.0)" 1517if test -z "$glib_bindir" ; then 1518 glib_bindir="$($pkg_config --variable=prefix glib-2.0)"/bin 1519fi 1520 1521# This workaround is required due to a bug in pkg-config file for glib as it 1522# doesn't define GLIB_STATIC_COMPILATION for pkg-config --static 1523 1524if test "$static" = yes && test "$mingw32" = yes; then 1525 glib_cflags="-DGLIB_STATIC_COMPILATION $glib_cflags" 1526fi 1527 1528# Sanity check that the current size_t matches the 1529# size that glib thinks it should be. This catches 1530# problems on multi-arch where people try to build 1531# 32-bit QEMU while pointing at 64-bit glib headers 1532cat > $TMPC <<EOF 1533#include <glib.h> 1534#include <unistd.h> 1535 1536#define QEMU_BUILD_BUG_ON(x) \ 1537 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused)); 1538 1539int main(void) { 1540 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T); 1541 return 0; 1542} 1543EOF 1544 1545if ! compile_prog "$glib_cflags" "$glib_libs" ; then 1546 error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\ 1547 "You probably need to set PKG_CONFIG_LIBDIR"\ 1548 "to point to the right pkg-config files for your"\ 1549 "build target" 1550fi 1551 1552# Silence clang warnings triggered by glib < 2.57.2 1553cat > $TMPC << EOF 1554#include <glib.h> 1555typedef struct Foo { 1556 int i; 1557} Foo; 1558static void foo_free(Foo *f) 1559{ 1560 g_free(f); 1561} 1562G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free) 1563int main(void) { return 0; } 1564EOF 1565if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then 1566 if cc_has_warning_flag "-Wno-unused-function"; then 1567 glib_cflags="$glib_cflags -Wno-unused-function" 1568 CONFIGURE_CFLAGS="$CONFIGURE_CFLAGS -Wno-unused-function" 1569 fi 1570fi 1571 1572########################################## 1573# fdt probe 1574 1575case "$fdt" in 1576 auto | enabled | internal) 1577 # Simpler to always update submodule, even if not needed. 1578 git_submodules="${git_submodules} dtc" 1579 ;; 1580esac 1581 1582########################################## 1583# check and set a backend for coroutine 1584 1585# We prefer ucontext, but it's not always possible. The fallback 1586# is sigcontext. On Windows the only valid backend is the Windows 1587# specific one. 1588 1589ucontext_works=no 1590if test "$darwin" != "yes"; then 1591 cat > $TMPC << EOF 1592#include <ucontext.h> 1593#ifdef __stub_makecontext 1594#error Ignoring glibc stub makecontext which will always fail 1595#endif 1596int main(void) { makecontext(0, 0, 0); return 0; } 1597EOF 1598 if compile_prog "" "" ; then 1599 ucontext_works=yes 1600 fi 1601fi 1602 1603if test "$coroutine" = ""; then 1604 if test "$mingw32" = "yes"; then 1605 coroutine=win32 1606 elif test "$ucontext_works" = "yes"; then 1607 coroutine=ucontext 1608 else 1609 coroutine=sigaltstack 1610 fi 1611else 1612 case $coroutine in 1613 windows) 1614 if test "$mingw32" != "yes"; then 1615 error_exit "'windows' coroutine backend only valid for Windows" 1616 fi 1617 # Unfortunately the user visible backend name doesn't match the 1618 # coroutine-*.c filename for this case, so we have to adjust it here. 1619 coroutine=win32 1620 ;; 1621 ucontext) 1622 if test "$ucontext_works" != "yes"; then 1623 feature_not_found "ucontext" 1624 fi 1625 ;; 1626 sigaltstack) 1627 if test "$mingw32" = "yes"; then 1628 error_exit "only the 'windows' coroutine backend is valid for Windows" 1629 fi 1630 ;; 1631 *) 1632 error_exit "unknown coroutine backend $coroutine" 1633 ;; 1634 esac 1635fi 1636 1637################################################## 1638# SafeStack 1639 1640 1641if test "$safe_stack" = "yes"; then 1642cat > $TMPC << EOF 1643int main(int argc, char *argv[]) 1644{ 1645#if ! __has_feature(safe_stack) 1646#error SafeStack Disabled 1647#endif 1648 return 0; 1649} 1650EOF 1651 flag="-fsanitize=safe-stack" 1652 # Check that safe-stack is supported and enabled. 1653 if compile_prog "-Werror $flag" "$flag"; then 1654 # Flag needed both at compilation and at linking 1655 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1656 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 1657 else 1658 error_exit "SafeStack not supported by your compiler" 1659 fi 1660 if test "$coroutine" != "ucontext"; then 1661 error_exit "SafeStack is only supported by the coroutine backend ucontext" 1662 fi 1663else 1664cat > $TMPC << EOF 1665int main(int argc, char *argv[]) 1666{ 1667#if defined(__has_feature) 1668#if __has_feature(safe_stack) 1669#error SafeStack Enabled 1670#endif 1671#endif 1672 return 0; 1673} 1674EOF 1675if test "$safe_stack" = "no"; then 1676 # Make sure that safe-stack is disabled 1677 if ! compile_prog "-Werror" ""; then 1678 # SafeStack was already enabled, try to explicitly remove the feature 1679 flag="-fno-sanitize=safe-stack" 1680 if ! compile_prog "-Werror $flag" "$flag"; then 1681 error_exit "Configure cannot disable SafeStack" 1682 fi 1683 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1684 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 1685 fi 1686else # "$safe_stack" = "" 1687 # Set safe_stack to yes or no based on pre-existing flags 1688 if compile_prog "-Werror" ""; then 1689 safe_stack="no" 1690 else 1691 safe_stack="yes" 1692 if test "$coroutine" != "ucontext"; then 1693 error_exit "SafeStack is only supported by the coroutine backend ucontext" 1694 fi 1695 fi 1696fi 1697fi 1698 1699######################################## 1700# check if ccache is interfering with 1701# semantic analysis of macros 1702 1703unset CCACHE_CPP2 1704ccache_cpp2=no 1705cat > $TMPC << EOF 1706static const int Z = 1; 1707#define fn() ({ Z; }) 1708#define TAUT(X) ((X) == Z) 1709#define PAREN(X, Y) (X == Y) 1710#define ID(X) (X) 1711int main(int argc, char *argv[]) 1712{ 1713 int x = 0, y = 0; 1714 x = ID(x); 1715 x = fn(); 1716 fn(); 1717 if (PAREN(x, y)) return 0; 1718 if (TAUT(Z)) return 0; 1719 return 0; 1720} 1721EOF 1722 1723if ! compile_object "-Werror"; then 1724 ccache_cpp2=yes 1725fi 1726 1727################################################# 1728# clang does not support glibc + FORTIFY_SOURCE. 1729 1730if test "$fortify_source" != "no"; then 1731 if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then 1732 fortify_source="no"; 1733 elif test -n "$cxx" && has $cxx && 1734 echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then 1735 fortify_source="no"; 1736 else 1737 fortify_source="yes" 1738 fi 1739fi 1740 1741########################################## 1742# checks for sanitizers 1743 1744have_asan=no 1745have_ubsan=no 1746have_asan_iface_h=no 1747have_asan_iface_fiber=no 1748 1749if test "$sanitizers" = "yes" ; then 1750 write_c_skeleton 1751 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then 1752 have_asan=yes 1753 fi 1754 1755 # we could use a simple skeleton for flags checks, but this also 1756 # detect the static linking issue of ubsan, see also: 1757 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285 1758 cat > $TMPC << EOF 1759#include <stdlib.h> 1760int main(void) { 1761 void *tmp = malloc(10); 1762 if (tmp != NULL) { 1763 return *(int *)(tmp + 2); 1764 } 1765 return 1; 1766} 1767EOF 1768 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then 1769 have_ubsan=yes 1770 fi 1771 1772 if check_include "sanitizer/asan_interface.h" ; then 1773 have_asan_iface_h=yes 1774 fi 1775 1776 cat > $TMPC << EOF 1777#include <sanitizer/asan_interface.h> 1778int main(void) { 1779 __sanitizer_start_switch_fiber(0, 0, 0); 1780 return 0; 1781} 1782EOF 1783 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then 1784 have_asan_iface_fiber=yes 1785 fi 1786fi 1787 1788# Thread sanitizer is, for now, much noisier than the other sanitizers; 1789# keep it separate until that is not the case. 1790if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then 1791 error_exit "TSAN is not supported with other sanitiziers." 1792fi 1793have_tsan=no 1794have_tsan_iface_fiber=no 1795if test "$tsan" = "yes" ; then 1796 write_c_skeleton 1797 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then 1798 have_tsan=yes 1799 fi 1800 cat > $TMPC << EOF 1801#include <sanitizer/tsan_interface.h> 1802int main(void) { 1803 __tsan_create_fiber(0); 1804 return 0; 1805} 1806EOF 1807 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then 1808 have_tsan_iface_fiber=yes 1809 fi 1810fi 1811 1812########################################## 1813# check for slirp 1814 1815case "$slirp" in 1816 auto | enabled | internal) 1817 # Simpler to always update submodule, even if not needed. 1818 git_submodules="${git_submodules} slirp" 1819 ;; 1820esac 1821 1822########################################## 1823# functions to probe cross compilers 1824 1825container="no" 1826if test $use_containers = "yes"; then 1827 if has "docker" || has "podman"; then 1828 container=$($python $source_path/tests/docker/docker.py probe) 1829 fi 1830fi 1831 1832# cross compilers defaults, can be overridden with --cross-cc-ARCH 1833: ${cross_prefix_aarch64="aarch64-linux-gnu-"} 1834: ${cross_prefix_aarch64_be="$cross_prefix_aarch64"} 1835: ${cross_prefix_alpha="alpha-linux-gnu-"} 1836: ${cross_prefix_arm="arm-linux-gnueabihf-"} 1837: ${cross_prefix_armeb="$cross_prefix_arm"} 1838: ${cross_prefix_hexagon="hexagon-unknown-linux-musl-"} 1839: ${cross_prefix_loongarch64="loongarch64-unknown-linux-gnu-"} 1840: ${cross_prefix_hppa="hppa-linux-gnu-"} 1841: ${cross_prefix_i386="i686-linux-gnu-"} 1842: ${cross_prefix_m68k="m68k-linux-gnu-"} 1843: ${cross_prefix_microblaze="microblaze-linux-musl-"} 1844: ${cross_prefix_mips64el="mips64el-linux-gnuabi64-"} 1845: ${cross_prefix_mips64="mips64-linux-gnuabi64-"} 1846: ${cross_prefix_mipsel="mipsel-linux-gnu-"} 1847: ${cross_prefix_mips="mips-linux-gnu-"} 1848: ${cross_prefix_nios2="nios2-linux-gnu-"} 1849: ${cross_prefix_ppc="powerpc-linux-gnu-"} 1850: ${cross_prefix_ppc64="powerpc64-linux-gnu-"} 1851: ${cross_prefix_ppc64le="$cross_prefix_ppc64"} 1852: ${cross_prefix_riscv64="riscv64-linux-gnu-"} 1853: ${cross_prefix_s390x="s390x-linux-gnu-"} 1854: ${cross_prefix_sh4="sh4-linux-gnu-"} 1855: ${cross_prefix_sparc64="sparc64-linux-gnu-"} 1856: ${cross_prefix_sparc="$cross_prefix_sparc64"} 1857: ${cross_prefix_x86_64="x86_64-linux-gnu-"} 1858 1859: ${cross_cc_aarch64_be="$cross_cc_aarch64"} 1860: ${cross_cc_cflags_aarch64_be="-mbig-endian"} 1861: ${cross_cc_armeb="$cross_cc_arm"} 1862: ${cross_cc_cflags_armeb="-mbig-endian"} 1863: ${cross_cc_hexagon="hexagon-unknown-linux-musl-clang"} 1864: ${cross_cc_cflags_hexagon="-mv67 -O2 -static"} 1865: ${cross_cc_cflags_i386="-m32"} 1866: ${cross_cc_cflags_ppc="-m32"} 1867: ${cross_cc_cflags_ppc64="-m64 -mbig-endian"} 1868: ${cross_cc_ppc64le="$cross_cc_ppc64"} 1869: ${cross_cc_cflags_ppc64le="-m64 -mlittle-endian"} 1870: ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"} 1871: ${cross_cc_sparc="$cross_cc_sparc64"} 1872: ${cross_cc_cflags_sparc="-m32 -mcpu=supersparc"} 1873: ${cross_cc_cflags_x86_64="-m64"} 1874 1875compute_target_variable() { 1876 if eval test -n "\"\${cross_prefix_$1}\""; then 1877 if eval has "\"\${cross_prefix_$1}\$3\""; then 1878 eval "$2=\"\${cross_prefix_$1}\$3\"" 1879 fi 1880 fi 1881} 1882 1883probe_target_compiler() { 1884 # reset all output variables 1885 container_image= 1886 container_hosts= 1887 container_cross_cc= 1888 container_cross_ar= 1889 container_cross_as= 1890 container_cross_ld= 1891 container_cross_nm= 1892 container_cross_objcopy= 1893 container_cross_ranlib= 1894 container_cross_strip= 1895 target_cc= 1896 target_ar= 1897 target_as= 1898 target_ld= 1899 target_nm= 1900 target_objcopy= 1901 target_ranlib= 1902 target_strip= 1903 1904 case $1 in 1905 aarch64) container_hosts="x86_64 aarch64" ;; 1906 alpha) container_hosts=x86_64 ;; 1907 arm) container_hosts="x86_64 aarch64" ;; 1908 cris) container_hosts=x86_64 ;; 1909 hexagon) container_hosts=x86_64 ;; 1910 hppa) container_hosts=x86_64 ;; 1911 i386) container_hosts=x86_64 ;; 1912 m68k) container_hosts=x86_64 ;; 1913 microblaze) container_hosts=x86_64 ;; 1914 mips64el) container_hosts=x86_64 ;; 1915 mips64) container_hosts=x86_64 ;; 1916 mipsel) container_hosts=x86_64 ;; 1917 mips) container_hosts=x86_64 ;; 1918 nios2) container_hosts=x86_64 ;; 1919 ppc) container_hosts=x86_64 ;; 1920 ppc64|ppc64le) container_hosts=x86_64 ;; 1921 riscv64) container_hosts=x86_64 ;; 1922 s390x) container_hosts=x86_64 ;; 1923 sh4) container_hosts=x86_64 ;; 1924 sparc64) container_hosts=x86_64 ;; 1925 tricore) container_hosts=x86_64 ;; 1926 x86_64) container_hosts="aarch64 ppc64el x86_64" ;; 1927 xtensa*) container_hosts=x86_64 ;; 1928 esac 1929 1930 for host in $container_hosts; do 1931 test "$container" != no || continue 1932 test "$host" = "$cpu" || continue 1933 case $1 in 1934 aarch64) 1935 # We don't have any bigendian build tools so we only use this for AArch64 1936 container_image=debian-arm64-cross 1937 container_cross_prefix=aarch64-linux-gnu- 1938 container_cross_cc=${container_cross_prefix}gcc-10 1939 ;; 1940 alpha) 1941 container_image=debian-alpha-cross 1942 container_cross_prefix=alpha-linux-gnu- 1943 ;; 1944 arm) 1945 # We don't have any bigendian build tools so we only use this for ARM 1946 container_image=debian-armhf-cross 1947 container_cross_prefix=arm-linux-gnueabihf- 1948 ;; 1949 cris) 1950 container_image=fedora-cris-cross 1951 container_cross_prefix=cris-linux-gnu- 1952 ;; 1953 hexagon) 1954 container_image=debian-hexagon-cross 1955 container_cross_prefix=hexagon-unknown-linux-musl- 1956 container_cross_cc=${container_cross_prefix}clang 1957 ;; 1958 hppa) 1959 container_image=debian-hppa-cross 1960 container_cross_prefix=hppa-linux-gnu- 1961 ;; 1962 i386) 1963 container_image=fedora-i386-cross 1964 container_cross_prefix= 1965 ;; 1966 m68k) 1967 container_image=debian-m68k-cross 1968 container_cross_prefix=m68k-linux-gnu- 1969 ;; 1970 microblaze) 1971 container_image=debian-microblaze-cross 1972 container_cross_prefix=microblaze-linux-musl- 1973 ;; 1974 mips64el) 1975 container_image=debian-mips64el-cross 1976 container_cross_prefix=mips64el-linux-gnuabi64- 1977 ;; 1978 mips64) 1979 container_image=debian-mips64-cross 1980 container_cross_prefix=mips64-linux-gnuabi64- 1981 ;; 1982 mipsel) 1983 container_image=debian-mipsel-cross 1984 container_cross_prefix=mipsel-linux-gnu- 1985 ;; 1986 mips) 1987 container_image=debian-mips-cross 1988 container_cross_prefix=mips-linux-gnu- 1989 ;; 1990 nios2) 1991 container_image=debian-nios2-cross 1992 container_cross_prefix=nios2-linux-gnu- 1993 ;; 1994 ppc) 1995 container_image=debian-powerpc-test-cross 1996 container_cross_prefix=powerpc-linux-gnu- 1997 container_cross_cc=${container_cross_prefix}gcc-10 1998 ;; 1999 ppc64|ppc64le) 2000 container_image=debian-powerpc-test-cross 2001 container_cross_prefix=powerpc${1#ppc}-linux-gnu- 2002 container_cross_cc=${container_cross_prefix}gcc-10 2003 ;; 2004 riscv64) 2005 container_image=debian-riscv64-test-cross 2006 container_cross_prefix=riscv64-linux-gnu- 2007 ;; 2008 s390x) 2009 container_image=debian-s390x-cross 2010 container_cross_prefix=s390x-linux-gnu- 2011 ;; 2012 sh4) 2013 container_image=debian-sh4-cross 2014 container_cross_prefix=sh4-linux-gnu- 2015 ;; 2016 sparc64) 2017 container_image=debian-sparc64-cross 2018 container_cross_prefix=sparc64-linux-gnu- 2019 ;; 2020 tricore) 2021 container_image=debian-tricore-cross 2022 container_cross_prefix=tricore- 2023 container_cross_as=tricore-as 2024 container_cross_ld=tricore-ld 2025 break 2026 ;; 2027 x86_64) 2028 container_image=debian-amd64-cross 2029 container_cross_prefix=x86_64-linux-gnu- 2030 ;; 2031 xtensa*) 2032 container_hosts=x86_64 2033 container_image=debian-xtensa-cross 2034 2035 # default to the dc232b cpu 2036 container_cross_prefix=/opt/2020.07/xtensa-dc232b-elf/bin/xtensa-dc232b-elf- 2037 ;; 2038 esac 2039 : ${container_cross_cc:=${container_cross_prefix}gcc} 2040 : ${container_cross_ar:=${container_cross_prefix}ar} 2041 : ${container_cross_as:=${container_cross_prefix}as} 2042 : ${container_cross_ld:=${container_cross_prefix}ld} 2043 : ${container_cross_nm:=${container_cross_prefix}nm} 2044 : ${container_cross_objcopy:=${container_cross_prefix}objcopy} 2045 : ${container_cross_ranlib:=${container_cross_prefix}ranlib} 2046 : ${container_cross_strip:=${container_cross_prefix}strip} 2047 done 2048 2049 eval "target_cflags=\${cross_cc_cflags_$1}" 2050 if eval test -n "\"\${cross_cc_$1}\""; then 2051 if eval has "\"\${cross_cc_$1}\""; then 2052 eval "target_cc=\"\${cross_cc_$1}\"" 2053 fi 2054 else 2055 compute_target_variable $1 target_cc gcc 2056 fi 2057 target_ccas=$target_cc 2058 compute_target_variable $1 target_ar ar 2059 compute_target_variable $1 target_as as 2060 compute_target_variable $1 target_ld ld 2061 compute_target_variable $1 target_nm nm 2062 compute_target_variable $1 target_objcopy objcopy 2063 compute_target_variable $1 target_ranlib ranlib 2064 compute_target_variable $1 target_strip strip 2065 if test "$1" = $cpu; then 2066 : ${target_cc:=$cc} 2067 : ${target_ccas:=$ccas} 2068 : ${target_as:=$as} 2069 : ${target_ld:=$ld} 2070 : ${target_ar:=$ar} 2071 : ${target_as:=$as} 2072 : ${target_ld:=$ld} 2073 : ${target_nm:=$nm} 2074 : ${target_objcopy:=$objcopy} 2075 : ${target_ranlib:=$ranlib} 2076 : ${target_strip:=$strip} 2077 fi 2078 if test -n "$target_cc"; then 2079 case $1 in 2080 i386|x86_64) 2081 if $target_cc --version | grep -qi "clang"; then 2082 unset target_cc 2083 fi 2084 ;; 2085 esac 2086 fi 2087} 2088 2089probe_target_compilers() { 2090 for i; do 2091 probe_target_compiler $i 2092 test -n "$target_cc" && return 0 2093 done 2094} 2095 2096write_target_makefile() { 2097 if test -n "$target_cc"; then 2098 echo "CC=$target_cc" 2099 echo "CCAS=$target_ccas" 2100 fi 2101 if test -n "$target_ar"; then 2102 echo "AR=$target_ar" 2103 fi 2104 if test -n "$target_as"; then 2105 echo "AS=$target_as" 2106 fi 2107 if test -n "$target_ld"; then 2108 echo "LD=$target_ld" 2109 fi 2110 if test -n "$target_nm"; then 2111 echo "NM=$target_nm" 2112 fi 2113 if test -n "$target_objcopy"; then 2114 echo "OBJCOPY=$target_objcopy" 2115 fi 2116 if test -n "$target_ranlib"; then 2117 echo "RANLIB=$target_ranlib" 2118 fi 2119 if test -n "$target_strip"; then 2120 echo "STRIP=$target_strip" 2121 fi 2122} 2123 2124write_container_target_makefile() { 2125 if test -n "$container_cross_cc"; then 2126 echo "CC=\$(DOCKER_SCRIPT) cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --" 2127 echo "CCAS=\$(DOCKER_SCRIPT) cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --" 2128 fi 2129 echo "AR=\$(DOCKER_SCRIPT) cc --cc $container_cross_ar -i qemu/$container_image -s $source_path --" 2130 echo "AS=\$(DOCKER_SCRIPT) cc --cc $container_cross_as -i qemu/$container_image -s $source_path --" 2131 echo "LD=\$(DOCKER_SCRIPT) cc --cc $container_cross_ld -i qemu/$container_image -s $source_path --" 2132 echo "NM=\$(DOCKER_SCRIPT) cc --cc $container_cross_nm -i qemu/$container_image -s $source_path --" 2133 echo "OBJCOPY=\$(DOCKER_SCRIPT) cc --cc $container_cross_objcopy -i qemu/$container_image -s $source_path --" 2134 echo "RANLIB=\$(DOCKER_SCRIPT) cc --cc $container_cross_ranlib -i qemu/$container_image -s $source_path --" 2135 echo "STRIP=\$(DOCKER_SCRIPT) cc --cc $container_cross_strip -i qemu/$container_image -s $source_path --" 2136} 2137 2138 2139 2140########################################## 2141# check for vfio_user_server 2142 2143case "$vfio_user_server" in 2144 enabled ) 2145 if test "$git_submodules_action" != "ignore"; then 2146 git_submodules="${git_submodules} subprojects/libvfio-user" 2147 fi 2148 ;; 2149esac 2150 2151########################################## 2152# End of CC checks 2153# After here, no more $cc or $ld runs 2154 2155write_c_skeleton 2156 2157if test "$fortify_source" = "yes" ; then 2158 QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS" 2159fi 2160 2161case "$ARCH" in 2162alpha) 2163 # Ensure there's only a single GP 2164 QEMU_CFLAGS="-msmall-data $QEMU_CFLAGS" 2165;; 2166esac 2167 2168if test "$have_asan" = "yes"; then 2169 QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS" 2170 QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS" 2171 if test "$have_asan_iface_h" = "no" ; then 2172 echo "ASAN build enabled, but ASAN header missing." \ 2173 "Without code annotation, the report may be inferior." 2174 elif test "$have_asan_iface_fiber" = "no" ; then 2175 echo "ASAN build enabled, but ASAN header is too old." \ 2176 "Without code annotation, the report may be inferior." 2177 fi 2178fi 2179if test "$have_tsan" = "yes" ; then 2180 if test "$have_tsan_iface_fiber" = "yes" ; then 2181 QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS" 2182 QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS" 2183 else 2184 error_exit "Cannot enable TSAN due to missing fiber annotation interface." 2185 fi 2186elif test "$tsan" = "yes" ; then 2187 error_exit "Cannot enable TSAN due to missing sanitize thread interface." 2188fi 2189if test "$have_ubsan" = "yes"; then 2190 QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS" 2191 QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS" 2192fi 2193 2194########################################## 2195 2196# Exclude --warn-common with TSan to suppress warnings from the TSan libraries. 2197if test "$solaris" = "no" && test "$tsan" = "no"; then 2198 if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then 2199 QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS" 2200 fi 2201fi 2202 2203# Guest agent Windows MSI package 2204 2205if test "$QEMU_GA_MANUFACTURER" = ""; then 2206 QEMU_GA_MANUFACTURER=QEMU 2207fi 2208if test "$QEMU_GA_DISTRO" = ""; then 2209 QEMU_GA_DISTRO=Linux 2210fi 2211if test "$QEMU_GA_VERSION" = ""; then 2212 QEMU_GA_VERSION=$(cat $source_path/VERSION) 2213fi 2214 2215 2216####################################### 2217# cross-compiled firmware targets 2218 2219# Set up build tree symlinks that point back into the source tree 2220# (these can be both files and directories). 2221# Caution: avoid adding files or directories here using wildcards. This 2222# will result in problems later if a new file matching the wildcard is 2223# added to the source tree -- nothing will cause configure to be rerun 2224# so the build tree will be missing the link back to the new file, and 2225# tests might fail. Prefer to keep the relevant files in their own 2226# directory and symlink the directory instead. 2227LINKS="Makefile" 2228LINKS="$LINKS tests/tcg/Makefile.target" 2229LINKS="$LINKS pc-bios/optionrom/Makefile" 2230LINKS="$LINKS pc-bios/s390-ccw/Makefile" 2231LINKS="$LINKS pc-bios/vof/Makefile" 2232LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit 2233LINKS="$LINKS tests/avocado tests/data" 2234LINKS="$LINKS tests/qemu-iotests/check" 2235LINKS="$LINKS python" 2236LINKS="$LINKS contrib/plugins/Makefile " 2237for f in $LINKS ; do 2238 if [ -e "$source_path/$f" ]; then 2239 mkdir -p `dirname ./$f` 2240 symlink "$source_path/$f" "$f" 2241 fi 2242done 2243 2244# Mac OS X ships with a broken assembler 2245roms= 2246probe_target_compilers i386 x86_64 2247if test -n "$target_cc" && 2248 test "$targetos" != "darwin" && test "$targetos" != "sunos" && \ 2249 test "$targetos" != "haiku" && test "$softmmu" = yes ; then 2250 # Different host OS linkers have different ideas about the name of the ELF 2251 # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd 2252 # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe. 2253 for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do 2254 if "$target_ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then 2255 ld_i386_emulation="$emu" 2256 break 2257 fi 2258 done 2259 if test -n "$ld_i386_emulation"; then 2260 roms="optionrom" 2261 config_mak=pc-bios/optionrom/config.mak 2262 echo "# Automatically generated by configure - do not modify" > $config_mak 2263 echo "TOPSRC_DIR=$source_path" >> $config_mak 2264 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_mak 2265 write_target_makefile >> $config_mak 2266 fi 2267fi 2268 2269probe_target_compilers ppc ppc64 2270if test -n "$target_cc" && test "$softmmu" = yes; then 2271 roms="$roms vof" 2272 config_mak=pc-bios/vof/config.mak 2273 echo "# Automatically generated by configure - do not modify" > $config_mak 2274 echo "SRC_DIR=$source_path/pc-bios/vof" >> $config_mak 2275 write_target_makefile >> $config_mak 2276fi 2277 2278# Only build s390-ccw bios if the compiler has -march=z900 or -march=z10 2279# (which is the lowest architecture level that Clang supports) 2280probe_target_compiler s390x 2281if test -n "$target_cc" && test "$softmmu" = yes; then 2282 write_c_skeleton 2283 do_compiler "$target_cc" $target_cc_cflags -march=z900 -o $TMPO -c $TMPC 2284 has_z900=$? 2285 if [ $has_z900 = 0 ] || do_compiler "$target_cc" $target_cc_cflags -march=z10 -msoft-float -Werror -o $TMPO -c $TMPC; then 2286 if [ $has_z900 != 0 ]; then 2287 echo "WARNING: Your compiler does not support the z900!" 2288 echo " The s390-ccw bios will only work with guest CPUs >= z10." 2289 fi 2290 roms="$roms s390-ccw" 2291 config_mak=pc-bios/s390-ccw/config-host.mak 2292 echo "# Automatically generated by configure - do not modify" > $config_mak 2293 echo "SRC_PATH=$source_path/pc-bios/s390-ccw" >> $config_mak 2294 write_target_makefile >> $config_mak 2295 # SLOF is required for building the s390-ccw firmware on s390x, 2296 # since it is using the libnet code from SLOF for network booting. 2297 git_submodules="${git_submodules} roms/SLOF" 2298 fi 2299fi 2300 2301####################################### 2302# generate config-host.mak 2303 2304# Check that the C++ compiler exists and works with the C compiler. 2305# All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added. 2306if has $cxx; then 2307 cat > $TMPC <<EOF 2308int c_function(void); 2309int main(void) { return c_function(); } 2310EOF 2311 2312 compile_object 2313 2314 cat > $TMPCXX <<EOF 2315extern "C" { 2316 int c_function(void); 2317} 2318int c_function(void) { return 42; } 2319EOF 2320 2321 update_cxxflags 2322 2323 if do_cxx $CXXFLAGS $EXTRA_CXXFLAGS $CONFIGURE_CXXFLAGS $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then 2324 # C++ compiler $cxx works ok with C compiler $cc 2325 : 2326 else 2327 echo "C++ compiler $cxx does not work with C compiler $cc" 2328 echo "Disabling C++ specific optional code" 2329 cxx= 2330 fi 2331else 2332 echo "No C++ compiler available; disabling C++ specific optional code" 2333 cxx= 2334fi 2335 2336if !(GIT="$git" "$source_path/scripts/git-submodule.sh" "$git_submodules_action" "$git_submodules"); then 2337 exit 1 2338fi 2339 2340config_host_mak="config-host.mak" 2341 2342echo "# Automatically generated by configure - do not modify" > $config_host_mak 2343echo >> $config_host_mak 2344 2345echo all: >> $config_host_mak 2346echo "GIT=$git" >> $config_host_mak 2347echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak 2348echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_host_mak 2349 2350if test "$debug_tcg" = "yes" ; then 2351 echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak 2352fi 2353if test "$mingw32" = "yes" ; then 2354 echo "CONFIG_WIN32=y" >> $config_host_mak 2355 echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak 2356 echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak 2357 echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak 2358else 2359 echo "CONFIG_POSIX=y" >> $config_host_mak 2360fi 2361 2362if test "$linux" = "yes" ; then 2363 echo "CONFIG_LINUX=y" >> $config_host_mak 2364fi 2365 2366if test "$darwin" = "yes" ; then 2367 echo "CONFIG_DARWIN=y" >> $config_host_mak 2368fi 2369 2370if test "$solaris" = "yes" ; then 2371 echo "CONFIG_SOLARIS=y" >> $config_host_mak 2372fi 2373if test "$static" = "yes" ; then 2374 echo "CONFIG_STATIC=y" >> $config_host_mak 2375fi 2376echo "SRC_PATH=$source_path" >> $config_host_mak 2377echo "TARGET_DIRS=$target_list" >> $config_host_mak 2378if test "$modules" = "yes"; then 2379 echo "CONFIG_MODULES=y" >> $config_host_mak 2380fi 2381 2382# XXX: suppress that 2383if [ "$bsd" = "yes" ] ; then 2384 echo "CONFIG_BSD=y" >> $config_host_mak 2385fi 2386 2387echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak 2388 2389if test "$have_asan_iface_fiber" = "yes" ; then 2390 echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak 2391fi 2392 2393if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then 2394 echo "CONFIG_TSAN=y" >> $config_host_mak 2395fi 2396 2397if test "$plugins" = "yes" ; then 2398 echo "CONFIG_PLUGIN=y" >> $config_host_mak 2399fi 2400 2401if test -n "$gdb_bin"; then 2402 gdb_version=$($gdb_bin --version | head -n 1) 2403 if version_ge ${gdb_version##* } 9.1; then 2404 echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak 2405 fi 2406fi 2407 2408echo "ROMS=$roms" >> $config_host_mak 2409echo "MAKE=$make" >> $config_host_mak 2410echo "PYTHON=$python" >> $config_host_mak 2411echo "GENISOIMAGE=$genisoimage" >> $config_host_mak 2412echo "MESON=$meson" >> $config_host_mak 2413echo "NINJA=$ninja" >> $config_host_mak 2414echo "CC=$cc" >> $config_host_mak 2415echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak 2416echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak 2417echo "QEMU_OBJCFLAGS=$QEMU_OBJCFLAGS" >> $config_host_mak 2418echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak 2419echo "GLIB_LIBS=$glib_libs" >> $config_host_mak 2420echo "GLIB_BINDIR=$glib_bindir" >> $config_host_mak 2421echo "GLIB_VERSION=$(pkg-config --modversion glib-2.0)" >> $config_host_mak 2422echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak 2423echo "EXESUF=$EXESUF" >> $config_host_mak 2424 2425# use included Linux headers 2426if test "$linux" = "yes" ; then 2427 mkdir -p linux-headers 2428 case "$cpu" in 2429 i386|x86_64) 2430 linux_arch=x86 2431 ;; 2432 ppc|ppc64) 2433 linux_arch=powerpc 2434 ;; 2435 s390x) 2436 linux_arch=s390 2437 ;; 2438 aarch64) 2439 linux_arch=arm64 2440 ;; 2441 loongarch*) 2442 linux_arch=loongarch 2443 ;; 2444 mips64) 2445 linux_arch=mips 2446 ;; 2447 *) 2448 # For most CPUs the kernel architecture name and QEMU CPU name match. 2449 linux_arch="$cpu" 2450 ;; 2451 esac 2452 # For non-KVM architectures we will not have asm headers 2453 if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then 2454 symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm 2455 fi 2456fi 2457 2458for target in $target_list; do 2459 target_dir="$target" 2460 target_name=$(echo $target | cut -d '-' -f 1)$EXESUF 2461 mkdir -p $target_dir 2462 case $target in 2463 *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;; 2464 *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;; 2465 esac 2466done 2467 2468if test "$default_targets" = "yes"; then 2469 echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak 2470fi 2471 2472if test "$ccache_cpp2" = "yes"; then 2473 echo "export CCACHE_CPP2=y" >> $config_host_mak 2474fi 2475 2476if test "$safe_stack" = "yes"; then 2477 echo "CONFIG_SAFESTACK=y" >> $config_host_mak 2478fi 2479 2480# tests/tcg configuration 2481(makefile=tests/tcg/Makefile.prereqs 2482echo "# Automatically generated by configure - do not modify" > $makefile 2483 2484config_host_mak=tests/tcg/config-host.mak 2485echo "# Automatically generated by configure - do not modify" > $config_host_mak 2486echo "SRC_PATH=$source_path" >> $config_host_mak 2487echo "HOST_CC=$host_cc" >> $config_host_mak 2488 2489tcg_tests_targets= 2490for target in $target_list; do 2491 arch=${target%%-*} 2492 2493 probe_target_compiler ${arch} 2494 config_target_mak=tests/tcg/config-$target.mak 2495 2496 echo "# Automatically generated by configure - do not modify" > $config_target_mak 2497 echo "TARGET_NAME=$arch" >> $config_target_mak 2498 case $target in 2499 xtensa*-linux-user) 2500 # the toolchain is not complete with headers, only build softmmu tests 2501 continue 2502 ;; 2503 *-softmmu) 2504 test -f $source_path/tests/tcg/$arch/Makefile.softmmu-target || continue 2505 qemu="qemu-system-$arch" 2506 ;; 2507 *-linux-user|*-bsd-user) 2508 qemu="qemu-$arch" 2509 ;; 2510 esac 2511 2512 got_cross_cc=no 2513 unset build_static 2514 2515 if test -n "$target_cc"; then 2516 write_c_skeleton 2517 if ! do_compiler "$target_cc" $target_cflags \ 2518 -o $TMPE $TMPC -static ; then 2519 # For host systems we might get away with building without -static 2520 if do_compiler "$target_cc" $target_cflags \ 2521 -o $TMPE $TMPC ; then 2522 got_cross_cc=yes 2523 fi 2524 else 2525 got_cross_cc=yes 2526 build_static=y 2527 fi 2528 elif test -n "$target_as" && test -n "$target_ld"; then 2529 # Special handling for assembler only tests 2530 case $target in 2531 tricore-softmmu) got_cross_cc=yes ;; 2532 esac 2533 fi 2534 2535 if test $got_cross_cc = yes; then 2536 # Test for compiler features for optional tests. We only do this 2537 # for cross compilers because ensuring the docker containers based 2538 # compilers is a requirememt for adding a new test that needs a 2539 # compiler feature. 2540 2541 echo "BUILD_STATIC=$build_static" >> $config_target_mak 2542 write_target_makefile >> $config_target_mak 2543 case $target in 2544 aarch64-*) 2545 if do_compiler "$target_cc" $target_cflags \ 2546 -march=armv8.1-a+sve -o $TMPE $TMPC; then 2547 echo "CROSS_CC_HAS_SVE=y" >> $config_target_mak 2548 fi 2549 if do_compiler "$target_cc" $target_cflags \ 2550 -march=armv8.1-a+sve2 -o $TMPE $TMPC; then 2551 echo "CROSS_CC_HAS_SVE2=y" >> $config_target_mak 2552 fi 2553 if do_compiler "$target_cc" $target_cflags \ 2554 -march=armv8.3-a -o $TMPE $TMPC; then 2555 echo "CROSS_CC_HAS_ARMV8_3=y" >> $config_target_mak 2556 fi 2557 if do_compiler "$target_cc" $target_cflags \ 2558 -mbranch-protection=standard -o $TMPE $TMPC; then 2559 echo "CROSS_CC_HAS_ARMV8_BTI=y" >> $config_target_mak 2560 fi 2561 if do_compiler "$target_cc" $target_cflags \ 2562 -march=armv8.5-a+memtag -o $TMPE $TMPC; then 2563 echo "CROSS_CC_HAS_ARMV8_MTE=y" >> $config_target_mak 2564 fi 2565 ;; 2566 ppc*) 2567 if do_compiler "$target_cc" $target_cflags \ 2568 -mpower8-vector -o $TMPE $TMPC; then 2569 echo "CROSS_CC_HAS_POWER8_VECTOR=y" >> $config_target_mak 2570 fi 2571 if do_compiler "$target_cc" $target_cflags \ 2572 -mpower10 -o $TMPE $TMPC; then 2573 echo "CROSS_CC_HAS_POWER10=y" >> $config_target_mak 2574 fi 2575 ;; 2576 i386-linux-user) 2577 if do_compiler "$target_cc" $target_cflags \ 2578 -Werror -fno-pie -o $TMPE $TMPC; then 2579 echo "CROSS_CC_HAS_I386_NOPIE=y" >> $config_target_mak 2580 fi 2581 ;; 2582 esac 2583 elif test -n "$container_image"; then 2584 echo "build-tcg-tests-$target: docker-image-$container_image" >> $makefile 2585 echo "BUILD_STATIC=y" >> $config_target_mak 2586 write_container_target_makefile >> $config_target_mak 2587 case $target in 2588 aarch64-*) 2589 echo "CROSS_CC_HAS_SVE=y" >> $config_target_mak 2590 echo "CROSS_CC_HAS_SVE2=y" >> $config_target_mak 2591 echo "CROSS_CC_HAS_ARMV8_3=y" >> $config_target_mak 2592 echo "CROSS_CC_HAS_ARMV8_BTI=y" >> $config_target_mak 2593 echo "CROSS_CC_HAS_ARMV8_MTE=y" >> $config_target_mak 2594 ;; 2595 ppc*) 2596 echo "CROSS_CC_HAS_POWER8_VECTOR=y" >> $config_target_mak 2597 echo "CROSS_CC_HAS_POWER10=y" >> $config_target_mak 2598 ;; 2599 i386-linux-user) 2600 echo "CROSS_CC_HAS_I386_NOPIE=y" >> $config_target_mak 2601 ;; 2602 esac 2603 got_cross_cc=yes 2604 fi 2605 if test $got_cross_cc = yes; then 2606 mkdir -p tests/tcg/$target 2607 echo "QEMU=$PWD/$qemu" >> $config_target_mak 2608 echo "EXTRA_CFLAGS=$target_cflags" >> $config_target_mak 2609 echo "run-tcg-tests-$target: $qemu\$(EXESUF)" >> $makefile 2610 tcg_tests_targets="$tcg_tests_targets $target" 2611 fi 2612done 2613echo "TCG_TESTS_TARGETS=$tcg_tests_targets" >> $makefile) 2614 2615if test "$skip_meson" = no; then 2616 cross="config-meson.cross.new" 2617 meson_quote() { 2618 test $# = 0 && return 2619 echo "'$(echo $* | sed "s/ /','/g")'" 2620 } 2621 2622 echo "# Automatically generated by configure - do not modify" > $cross 2623 echo "[properties]" >> $cross 2624 2625 # unroll any custom device configs 2626 for a in $device_archs; do 2627 eval "c=\$devices_${a}" 2628 echo "${a}-softmmu = '$c'" >> $cross 2629 done 2630 2631 test -z "$cxx" && echo "link_language = 'c'" >> $cross 2632 echo "[built-in options]" >> $cross 2633 echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross 2634 echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross 2635 test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross 2636 echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross 2637 echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross 2638 echo "[binaries]" >> $cross 2639 echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross 2640 test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross 2641 test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross 2642 echo "ar = [$(meson_quote $ar)]" >> $cross 2643 echo "nm = [$(meson_quote $nm)]" >> $cross 2644 echo "pkgconfig = [$(meson_quote $pkg_config_exe)]" >> $cross 2645 echo "ranlib = [$(meson_quote $ranlib)]" >> $cross 2646 if has $sdl2_config; then 2647 echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross 2648 fi 2649 echo "strip = [$(meson_quote $strip)]" >> $cross 2650 echo "widl = [$(meson_quote $widl)]" >> $cross 2651 echo "windres = [$(meson_quote $windres)]" >> $cross 2652 if test "$cross_compile" = "yes"; then 2653 cross_arg="--cross-file config-meson.cross" 2654 echo "[host_machine]" >> $cross 2655 echo "system = '$targetos'" >> $cross 2656 case "$cpu" in 2657 i386) 2658 echo "cpu_family = 'x86'" >> $cross 2659 ;; 2660 *) 2661 echo "cpu_family = '$cpu'" >> $cross 2662 ;; 2663 esac 2664 echo "cpu = '$cpu'" >> $cross 2665 if test "$bigendian" = "yes" ; then 2666 echo "endian = 'big'" >> $cross 2667 else 2668 echo "endian = 'little'" >> $cross 2669 fi 2670 else 2671 cross_arg="--native-file config-meson.cross" 2672 fi 2673 mv $cross config-meson.cross 2674 2675 rm -rf meson-private meson-info meson-logs 2676 2677 # Built-in options 2678 test "$bindir" != "bin" && meson_option_add "-Dbindir=$bindir" 2679 test "$default_feature" = no && meson_option_add -Dauto_features=disabled 2680 test "$pie" = no && meson_option_add -Db_pie=false 2681 test "$werror" = yes && meson_option_add -Dwerror=true 2682 2683 # QEMU options 2684 test "$cfi" != false && meson_option_add "-Dcfi=$cfi" 2685 test "$fdt" != auto && meson_option_add "-Dfdt=$fdt" 2686 test -n "${LIB_FUZZING_ENGINE+xxx}" && meson_option_add "-Dfuzzing_engine=$LIB_FUZZING_ENGINE" 2687 test "$qemu_suffix" != qemu && meson_option_add "-Dqemu_suffix=$qemu_suffix" 2688 test "$slirp" != auto && meson_option_add "-Dslirp=$slirp" 2689 test "$smbd" != '' && meson_option_add "-Dsmbd=$smbd" 2690 test "$tcg" != enabled && meson_option_add "-Dtcg=$tcg" 2691 test "$vfio_user_server" != auto && meson_option_add "-Dvfio_user_server=$vfio_user_server" 2692 run_meson() { 2693 NINJA=$ninja $meson setup --prefix "$prefix" "$@" $cross_arg "$PWD" "$source_path" 2694 } 2695 eval run_meson $meson_options 2696 if test "$?" -ne 0 ; then 2697 error_exit "meson setup failed" 2698 fi 2699else 2700 if test -f meson-private/cmd_line.txt; then 2701 # Adjust old command line options whose type was changed 2702 # Avoids having to use "setup --wipe" when Meson is upgraded 2703 perl -i -ne ' 2704 s/^gettext = true$/gettext = auto/; 2705 s/^gettext = false$/gettext = disabled/; 2706 /^b_staticpic/ && next; 2707 print;' meson-private/cmd_line.txt 2708 fi 2709fi 2710 2711# Save the configure command line for later reuse. 2712cat <<EOD >config.status 2713#!/bin/sh 2714# Generated by configure. 2715# Run this file to recreate the current configuration. 2716# Compiler output produced by configure, useful for debugging 2717# configure, is in config.log if it exists. 2718EOD 2719 2720preserve_env() { 2721 envname=$1 2722 2723 eval envval=\$$envname 2724 2725 if test -n "$envval" 2726 then 2727 echo "$envname='$envval'" >> config.status 2728 echo "export $envname" >> config.status 2729 else 2730 echo "unset $envname" >> config.status 2731 fi 2732} 2733 2734# Preserve various env variables that influence what 2735# features/build target configure will detect 2736preserve_env AR 2737preserve_env AS 2738preserve_env CC 2739preserve_env CFLAGS 2740preserve_env CXX 2741preserve_env CXXFLAGS 2742preserve_env INSTALL 2743preserve_env LD 2744preserve_env LDFLAGS 2745preserve_env LD_LIBRARY_PATH 2746preserve_env LIBTOOL 2747preserve_env MAKE 2748preserve_env NM 2749preserve_env OBJCOPY 2750preserve_env PATH 2751preserve_env PKG_CONFIG 2752preserve_env PKG_CONFIG_LIBDIR 2753preserve_env PKG_CONFIG_PATH 2754preserve_env PYTHON 2755preserve_env SDL2_CONFIG 2756preserve_env SMBD 2757preserve_env STRIP 2758preserve_env WIDL 2759preserve_env WINDRES 2760 2761printf "exec" >>config.status 2762for i in "$0" "$@"; do 2763 test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status 2764done 2765echo ' "$@"' >>config.status 2766chmod +x config.status 2767 2768rm -r "$TMPDIR1" 2769