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 "$default_feature" = no ; then 325 slirp="disabled" 326else 327 slirp="auto" 328fi 329fdt="auto" 330 331# 2. Automatically enable/disable other options 332tcg="auto" 333cfi="false" 334 335# parse CC options second 336for opt do 337 optarg=$(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 $CONFIGURE_CFLAGS" 671 write_c_skeleton; 672 prefix="/qemu" 673 bindir="" 674 qemu_suffix="" 675fi 676 677werror="" 678 679meson_option_build_array() { 680 printf '[' 681 (if test "$targetos" == windows; then 682 IFS=\; 683 else 684 IFS=: 685 fi 686 for e in $1; do 687 e=${e/'\'/'\\'} 688 e=${e/\"/'\"'} 689 printf '"""%s""",' "$e" 690 done) 691 printf ']\n' 692} 693 694. $source_path/scripts/meson-buildoptions.sh 695 696meson_options= 697meson_option_add() { 698 meson_options="$meson_options $(quote_sh "$1")" 699} 700meson_option_parse() { 701 meson_options="$meson_options $(_meson_option_parse "$@")" 702 if test $? -eq 1; then 703 echo "ERROR: unknown option $1" 704 echo "Try '$0 --help' for more information" 705 exit 1 706 fi 707} 708 709for opt do 710 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 711 case "$opt" in 712 --help|-h) show_help=yes 713 ;; 714 --version|-V) exec cat $source_path/VERSION 715 ;; 716 --prefix=*) prefix="$optarg" 717 ;; 718 --cross-prefix=*) 719 ;; 720 --cc=*) 721 ;; 722 --host-cc=*) host_cc="$optarg" 723 ;; 724 --cxx=*) 725 ;; 726 --objcc=*) objcc="$optarg" 727 ;; 728 --make=*) make="$optarg" 729 ;; 730 --install=*) 731 ;; 732 --python=*) python="$optarg" ; explicit_python=yes 733 ;; 734 --skip-meson) skip_meson=yes 735 ;; 736 --meson=*) meson="$optarg" 737 ;; 738 --ninja=*) ninja="$optarg" 739 ;; 740 --smbd=*) smbd="$optarg" 741 ;; 742 --extra-cflags=*) 743 ;; 744 --extra-cxxflags=*) 745 ;; 746 --extra-objcflags=*) 747 ;; 748 --extra-ldflags=*) 749 ;; 750 --cross-cc-*) 751 ;; 752 --cross-prefix-*) 753 ;; 754 --enable-debug-info) meson_option_add -Ddebug=true 755 ;; 756 --disable-debug-info) meson_option_add -Ddebug=false 757 ;; 758 --enable-modules) 759 modules="yes" 760 ;; 761 --disable-modules) 762 modules="no" 763 ;; 764 --cpu=*) 765 ;; 766 --target-list=*) target_list="$optarg" 767 if test "$target_list_exclude"; then 768 error_exit "Can't mix --target-list with --target-list-exclude" 769 fi 770 ;; 771 --target-list-exclude=*) target_list_exclude="$optarg" 772 if test "$target_list"; then 773 error_exit "Can't mix --target-list-exclude with --target-list" 774 fi 775 ;; 776 --with-default-devices) meson_option_add -Ddefault_devices=true 777 ;; 778 --without-default-devices) meson_option_add -Ddefault_devices=false 779 ;; 780 --with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option" 781 ;; 782 --with-devices-*) device_arch=${opt#--with-devices-}; 783 device_arch=${device_arch%%=*} 784 cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak 785 if test -f "$cf"; then 786 device_archs="$device_archs $device_arch" 787 eval "devices_${device_arch}=\$optarg" 788 else 789 error_exit "File $cf does not exist" 790 fi 791 ;; 792 --without-default-features) # processed above 793 ;; 794 --static) 795 static="yes" 796 QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS" 797 ;; 798 --bindir=*) bindir="$optarg" 799 ;; 800 --with-suffix=*) qemu_suffix="$optarg" 801 ;; 802 --host=*|--build=*|\ 803 --disable-dependency-tracking|\ 804 --sbindir=*|--sharedstatedir=*|\ 805 --oldincludedir=*|--datarootdir=*|--infodir=*|\ 806 --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*) 807 # These switches are silently ignored, for compatibility with 808 # autoconf-generated configure scripts. This allows QEMU's 809 # configure to be used by RPM and similar macros that set 810 # lots of directory switches by default. 811 ;; 812 --enable-debug-tcg) debug_tcg="yes" 813 ;; 814 --disable-debug-tcg) debug_tcg="no" 815 ;; 816 --enable-debug) 817 # Enable debugging options that aren't excessively noisy 818 debug_tcg="yes" 819 meson_option_parse --enable-debug-mutex "" 820 meson_option_add -Doptimization=0 821 fortify_source="no" 822 ;; 823 --enable-sanitizers) sanitizers="yes" 824 ;; 825 --disable-sanitizers) sanitizers="no" 826 ;; 827 --enable-tsan) tsan="yes" 828 ;; 829 --disable-tsan) tsan="no" 830 ;; 831 --disable-slirp) slirp="disabled" 832 ;; 833 --enable-slirp) slirp="enabled" 834 ;; 835 --enable-slirp=git) slirp="internal" 836 ;; 837 --enable-slirp=*) slirp="$optarg" 838 ;; 839 --disable-tcg) tcg="disabled" 840 plugins="no" 841 ;; 842 --enable-tcg) tcg="enabled" 843 ;; 844 --disable-system) softmmu="no" 845 ;; 846 --enable-system) softmmu="yes" 847 ;; 848 --disable-user) 849 linux_user="no" ; 850 bsd_user="no" ; 851 ;; 852 --enable-user) ;; 853 --disable-linux-user) linux_user="no" 854 ;; 855 --enable-linux-user) linux_user="yes" 856 ;; 857 --disable-bsd-user) bsd_user="no" 858 ;; 859 --enable-bsd-user) bsd_user="yes" 860 ;; 861 --enable-pie) pie="yes" 862 ;; 863 --disable-pie) pie="no" 864 ;; 865 --enable-werror) werror="yes" 866 ;; 867 --disable-werror) werror="no" 868 ;; 869 --enable-stack-protector) stack_protector="yes" 870 ;; 871 --disable-stack-protector) stack_protector="no" 872 ;; 873 --enable-safe-stack) safe_stack="yes" 874 ;; 875 --disable-safe-stack) safe_stack="no" 876 ;; 877 --enable-cfi) 878 cfi="true"; 879 meson_option_add -Db_lto=true 880 ;; 881 --disable-cfi) cfi="false" 882 ;; 883 --disable-fdt) fdt="disabled" 884 ;; 885 --enable-fdt) fdt="enabled" 886 ;; 887 --enable-fdt=git) fdt="internal" 888 ;; 889 --enable-fdt=*) fdt="$optarg" 890 ;; 891 --with-coroutine=*) coroutine="$optarg" 892 ;; 893 --disable-zlib-test) 894 ;; 895 --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane) 896 echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2 897 ;; 898 --enable-vhdx|--disable-vhdx) 899 echo "$0: $opt is obsolete, VHDX driver is always built" >&2 900 ;; 901 --enable-uuid|--disable-uuid) 902 echo "$0: $opt is obsolete, UUID support is always built" >&2 903 ;; 904 --with-git=*) git="$optarg" 905 ;; 906 --with-git-submodules=*) 907 git_submodules_action="$optarg" 908 ;; 909 --enable-plugins) if test "$mingw32" = "yes"; then 910 error_exit "TCG plugins not currently supported on Windows platforms" 911 else 912 plugins="yes" 913 fi 914 ;; 915 --disable-plugins) plugins="no" 916 ;; 917 --enable-containers) use_containers="yes" 918 ;; 919 --disable-containers) use_containers="no" 920 ;; 921 --gdb=*) gdb_bin="$optarg" 922 ;; 923 # backwards compatibility options 924 --enable-trace-backend=*) meson_option_parse "--enable-trace-backends=$optarg" "$optarg" 925 ;; 926 --disable-blobs) meson_option_parse --disable-install-blobs "" 927 ;; 928 --enable-vfio-user-server) vfio_user_server="enabled" 929 ;; 930 --disable-vfio-user-server) vfio_user_server="disabled" 931 ;; 932 --enable-tcmalloc) meson_option_parse --enable-malloc=tcmalloc tcmalloc 933 ;; 934 --enable-jemalloc) meson_option_parse --enable-malloc=jemalloc jemalloc 935 ;; 936 # everything else has the same name in configure and meson 937 --*) meson_option_parse "$opt" "$optarg" 938 ;; 939 esac 940done 941 942# test for any invalid configuration combinations 943if test "$plugins" = "yes" -a "$tcg" = "disabled"; then 944 error_exit "Can't enable plugins on non-TCG builds" 945fi 946 947case $git_submodules_action in 948 update|validate) 949 if test ! -e "$source_path/.git"; then 950 echo "ERROR: cannot $git_submodules_action git submodules without .git" 951 exit 1 952 fi 953 ;; 954 ignore) 955 if ! test -f "$source_path/ui/keycodemapdb/README" 956 then 957 echo 958 echo "ERROR: missing GIT submodules" 959 echo 960 if test -e "$source_path/.git"; then 961 echo "--with-git-submodules=ignore specified but submodules were not" 962 echo "checked out. Please initialize and update submodules." 963 else 964 echo "This is not a GIT checkout but module content appears to" 965 echo "be missing. Do not use 'git archive' or GitHub download links" 966 echo "to acquire QEMU source archives. Non-GIT builds are only" 967 echo "supported with source archives linked from:" 968 echo 969 echo " https://www.qemu.org/download/#source" 970 echo 971 echo "Developers working with GIT can use scripts/archive-source.sh" 972 echo "if they need to create valid source archives." 973 fi 974 echo 975 exit 1 976 fi 977 ;; 978 *) 979 echo "ERROR: invalid --with-git-submodules= value '$git_submodules_action'" 980 exit 1 981 ;; 982esac 983 984default_target_list="" 985mak_wilds="" 986 987if [ "$linux_user" != no ]; then 988 if [ "$targetos" = linux ] && [ -d $source_path/linux-user/include/host/$cpu ]; then 989 linux_user=yes 990 elif [ "$linux_user" = yes ]; then 991 error_exit "linux-user not supported on this architecture" 992 fi 993fi 994if [ "$bsd_user" != no ]; then 995 if [ "$bsd_user" = "" ]; then 996 test $targetos = freebsd && bsd_user=yes 997 fi 998 if [ "$bsd_user" = yes ] && ! [ -d $source_path/bsd-user/$targetos ]; then 999 error_exit "bsd-user not supported on this host OS" 1000 fi 1001fi 1002if [ "$softmmu" = "yes" ]; then 1003 mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak" 1004fi 1005if [ "$linux_user" = "yes" ]; then 1006 mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak" 1007fi 1008if [ "$bsd_user" = "yes" ]; then 1009 mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak" 1010fi 1011 1012for config in $mak_wilds; do 1013 target="$(basename "$config" .mak)" 1014 if echo "$target_list_exclude" | grep -vq "$target"; then 1015 default_target_list="${default_target_list} $target" 1016 fi 1017done 1018 1019if test x"$show_help" = x"yes" ; then 1020cat << EOF 1021 1022Usage: configure [options] 1023Options: [defaults in brackets after descriptions] 1024 1025Standard options: 1026 --help print this message 1027 --prefix=PREFIX install in PREFIX [$prefix] 1028 --target-list=LIST set target list (default: build all) 1029$(echo Available targets: $default_target_list | \ 1030 fold -s -w 53 | sed -e 's/^/ /') 1031 --target-list-exclude=LIST exclude a set of targets from the default target-list 1032 1033Advanced options (experts only): 1034 --cross-prefix=PREFIX use PREFIX for compile tools, PREFIX can be blank [$cross_prefix] 1035 --cc=CC use C compiler CC [$cc] 1036 --host-cc=CC use C compiler CC [$host_cc] for code run at 1037 build time 1038 --cxx=CXX use C++ compiler CXX [$cxx] 1039 --objcc=OBJCC use Objective-C compiler OBJCC [$objcc] 1040 --extra-cflags=CFLAGS append extra C compiler flags CFLAGS 1041 --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS 1042 --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS 1043 --extra-ldflags=LDFLAGS append extra linker flags LDFLAGS 1044 --cross-cc-ARCH=CC use compiler when building ARCH guest test cases 1045 --cross-cc-cflags-ARCH= use compiler flags when building ARCH guest tests 1046 --cross-prefix-ARCH=PREFIX cross compiler prefix when building ARCH guest test cases 1047 --make=MAKE use specified make [$make] 1048 --python=PYTHON use specified python [$python] 1049 --meson=MESON use specified meson [$meson] 1050 --ninja=NINJA use specified ninja [$ninja] 1051 --smbd=SMBD use specified smbd [$smbd] 1052 --with-git=GIT use specified git [$git] 1053 --with-git-submodules=update update git submodules (default if .git dir exists) 1054 --with-git-submodules=validate fail if git submodules are not up to date 1055 --with-git-submodules=ignore do not update or check git submodules (default if no .git dir) 1056 --static enable static build [$static] 1057 --bindir=PATH install binaries in PATH 1058 --with-suffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix] 1059 --without-default-features default all --enable-* options to "disabled" 1060 --without-default-devices do not include any device that is not needed to 1061 start the emulator (only use if you are including 1062 desired devices in configs/devices/) 1063 --with-devices-ARCH=NAME override default configs/devices 1064 --enable-debug enable common debug build options 1065 --enable-sanitizers enable default sanitizers 1066 --enable-tsan enable thread sanitizer 1067 --disable-werror disable compilation abort on warning 1068 --disable-stack-protector disable compiler-provided stack protection 1069 --cpu=CPU Build for host CPU [$cpu] 1070 --with-coroutine=BACKEND coroutine backend. Supported options: 1071 ucontext, sigaltstack, windows 1072 --enable-plugins 1073 enable plugins via shared library loading 1074 --disable-containers don't use containers for cross-building 1075 --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin] 1076EOF 1077 meson_options_help 1078cat << EOF 1079 system all system emulation targets 1080 user supported user emulation targets 1081 linux-user all linux usermode emulation targets 1082 bsd-user all BSD usermode emulation targets 1083 pie Position Independent Executables 1084 modules modules support (non-Windows) 1085 debug-tcg TCG debugging (default is disabled) 1086 debug-info debugging information 1087 safe-stack SafeStack Stack Smash Protection. Depends on 1088 clang/llvm >= 3.7 and requires coroutine backend ucontext. 1089 1090NOTE: The object files are built at the place where configure is launched 1091EOF 1092exit 0 1093fi 1094 1095# Remove old dependency files to make sure that they get properly regenerated 1096rm -f */config-devices.mak.d 1097 1098if test -z "$python" 1099then 1100 error_exit "Python not found. Use --python=/path/to/python" 1101fi 1102if ! has "$make" 1103then 1104 error_exit "GNU make ($make) not found" 1105fi 1106 1107# Note that if the Python conditional here evaluates True we will exit 1108# with status 1 which is a shell 'false' value. 1109if ! $python -c 'import sys; sys.exit(sys.version_info < (3,6))'; then 1110 error_exit "Cannot use '$python', Python >= 3.6 is required." \ 1111 "Use --python=/path/to/python to specify a supported Python." 1112fi 1113 1114# Preserve python version since some functionality is dependent on it 1115python_version=$($python -c 'import sys; print("%d.%d.%d" % (sys.version_info[0], sys.version_info[1], sys.version_info[2]))' 2>/dev/null) 1116 1117# Suppress writing compiled files 1118python="$python -B" 1119 1120if test -z "$meson"; then 1121 if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.59.3; then 1122 meson=meson 1123 elif test $git_submodules_action != 'ignore' ; then 1124 meson=git 1125 elif test -e "${source_path}/meson/meson.py" ; then 1126 meson=internal 1127 else 1128 if test "$explicit_python" = yes; then 1129 error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found." 1130 else 1131 error_exit "Meson not found. Use --meson=/path/to/meson" 1132 fi 1133 fi 1134else 1135 # Meson uses its own Python interpreter to invoke other Python scripts, 1136 # but the user wants to use the one they specified with --python. 1137 # 1138 # We do not want to override the distro Python interpreter (and sometimes 1139 # cannot: for example in Homebrew /usr/bin/meson is a bash script), so 1140 # just require --meson=git|internal together with --python. 1141 if test "$explicit_python" = yes; then 1142 case "$meson" in 1143 git | internal) ;; 1144 *) error_exit "--python requires using QEMU's embedded Meson distribution." ;; 1145 esac 1146 fi 1147fi 1148 1149if test "$meson" = git; then 1150 git_submodules="${git_submodules} meson" 1151fi 1152 1153case "$meson" in 1154 git | internal) 1155 meson="$python ${source_path}/meson/meson.py" 1156 ;; 1157 *) meson=$(command -v "$meson") ;; 1158esac 1159 1160# Probe for ninja 1161 1162if test -z "$ninja"; then 1163 for c in ninja ninja-build samu; do 1164 if has $c; then 1165 ninja=$(command -v "$c") 1166 break 1167 fi 1168 done 1169 if test -z "$ninja"; then 1170 error_exit "Cannot find Ninja" 1171 fi 1172fi 1173 1174# Check that the C compiler works. Doing this here before testing 1175# the host CPU ensures that we had a valid CC to autodetect the 1176# $cpu var (and we should bail right here if that's not the case). 1177# It also allows the help message to be printed without a CC. 1178write_c_skeleton; 1179if compile_object ; then 1180 : C compiler works ok 1181else 1182 error_exit "\"$cc\" either does not exist or does not work" 1183fi 1184if ! compile_prog ; then 1185 error_exit "\"$cc\" cannot build an executable (is your linker broken?)" 1186fi 1187 1188# Consult white-list to determine whether to enable werror 1189# by default. Only enable by default for git builds 1190if test -z "$werror" ; then 1191 if test "$git_submodules_action" != "ignore" && \ 1192 { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then 1193 werror="yes" 1194 else 1195 werror="no" 1196 fi 1197fi 1198 1199if test "$targetos" = "bogus"; then 1200 # Now that we know that we're not printing the help and that 1201 # the compiler works (so the results of the check_defines we used 1202 # to identify the OS are reliable), if we didn't recognize the 1203 # host OS we should stop now. 1204 error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')" 1205fi 1206 1207# Check whether the compiler matches our minimum requirements: 1208cat > $TMPC << EOF 1209#if defined(__clang_major__) && defined(__clang_minor__) 1210# ifdef __apple_build_version__ 1211# if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0) 1212# error You need at least XCode Clang v10.0 to compile QEMU 1213# endif 1214# else 1215# if __clang_major__ < 6 || (__clang_major__ == 6 && __clang_minor__ < 0) 1216# error You need at least Clang v6.0 to compile QEMU 1217# endif 1218# endif 1219#elif defined(__GNUC__) && defined(__GNUC_MINOR__) 1220# if __GNUC__ < 7 || (__GNUC__ == 7 && __GNUC_MINOR__ < 4) 1221# error You need at least GCC v7.4.0 to compile QEMU 1222# endif 1223#else 1224# error You either need GCC or Clang to compiler QEMU 1225#endif 1226int main (void) { return 0; } 1227EOF 1228if ! compile_prog "" "" ; then 1229 error_exit "You need at least GCC v7.4 or Clang v6.0 (or XCode Clang v10.0)" 1230fi 1231 1232# Accumulate -Wfoo and -Wno-bar separately. 1233# We will list all of the enable flags first, and the disable flags second. 1234# Note that we do not add -Werror, because that would enable it for all 1235# configure tests. If a configure test failed due to -Werror this would 1236# just silently disable some features, so it's too error prone. 1237 1238warn_flags= 1239add_to warn_flags -Wold-style-declaration 1240add_to warn_flags -Wold-style-definition 1241add_to warn_flags -Wtype-limits 1242add_to warn_flags -Wformat-security 1243add_to warn_flags -Wformat-y2k 1244add_to warn_flags -Winit-self 1245add_to warn_flags -Wignored-qualifiers 1246add_to warn_flags -Wempty-body 1247add_to warn_flags -Wnested-externs 1248add_to warn_flags -Wendif-labels 1249add_to warn_flags -Wexpansion-to-defined 1250add_to warn_flags -Wimplicit-fallthrough=2 1251 1252nowarn_flags= 1253add_to nowarn_flags -Wno-initializer-overrides 1254add_to nowarn_flags -Wno-missing-include-dirs 1255add_to nowarn_flags -Wno-shift-negative-value 1256add_to nowarn_flags -Wno-string-plus-int 1257add_to nowarn_flags -Wno-typedef-redefinition 1258add_to nowarn_flags -Wno-tautological-type-limit-compare 1259add_to nowarn_flags -Wno-psabi 1260 1261gcc_flags="$warn_flags $nowarn_flags" 1262 1263cc_has_warning_flag() { 1264 write_c_skeleton; 1265 1266 # Use the positive sense of the flag when testing for -Wno-wombat 1267 # support (gcc will happily accept the -Wno- form of unknown 1268 # warning options). 1269 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')" 1270 compile_prog "-Werror $optflag" "" 1271} 1272 1273objcc_has_warning_flag() { 1274 cat > $TMPM <<EOF 1275int main(void) { return 0; } 1276EOF 1277 1278 # Use the positive sense of the flag when testing for -Wno-wombat 1279 # support (gcc will happily accept the -Wno- form of unknown 1280 # warning options). 1281 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')" 1282 do_objc -Werror $optflag \ 1283 $OBJCFLAGS $EXTRA_OBJCFLAGS $CONFIGURE_OBJCFLAGS $QEMU_OBJCFLAGS \ 1284 -o $TMPE $TMPM $QEMU_LDFLAGS 1285} 1286 1287for flag in $gcc_flags; do 1288 if cc_has_warning_flag $flag ; then 1289 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1290 fi 1291 if objcc_has_warning_flag $flag ; then 1292 QEMU_OBJCFLAGS="$QEMU_OBJCFLAGS $flag" 1293 fi 1294done 1295 1296if test "$stack_protector" != "no"; then 1297 cat > $TMPC << EOF 1298int main(int argc, char *argv[]) 1299{ 1300 char arr[64], *p = arr, *c = argv[0]; 1301 while (*c) { 1302 *p++ = *c++; 1303 } 1304 return 0; 1305} 1306EOF 1307 gcc_flags="-fstack-protector-strong -fstack-protector-all" 1308 sp_on=0 1309 for flag in $gcc_flags; do 1310 # We need to check both a compile and a link, since some compiler 1311 # setups fail only on a .c->.o compile and some only at link time 1312 if compile_object "-Werror $flag" && 1313 compile_prog "-Werror $flag" ""; then 1314 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1315 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 1316 sp_on=1 1317 break 1318 fi 1319 done 1320 if test "$stack_protector" = yes; then 1321 if test $sp_on = 0; then 1322 error_exit "Stack protector not supported" 1323 fi 1324 fi 1325fi 1326 1327# Disable -Wmissing-braces on older compilers that warn even for 1328# the "universal" C zero initializer {0}. 1329cat > $TMPC << EOF 1330struct { 1331 int a[2]; 1332} x = {0}; 1333EOF 1334if compile_object "-Werror" "" ; then 1335 : 1336else 1337 QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces" 1338fi 1339 1340# Our module code doesn't support Windows 1341if test "$modules" = "yes" && test "$mingw32" = "yes" ; then 1342 error_exit "Modules are not available for Windows" 1343fi 1344 1345# Static linking is not possible with plugins, modules or PIE 1346if test "$static" = "yes" ; then 1347 if test "$modules" = "yes" ; then 1348 error_exit "static and modules are mutually incompatible" 1349 fi 1350 if test "$plugins" = "yes"; then 1351 error_exit "static and plugins are mutually incompatible" 1352 else 1353 plugins="no" 1354 fi 1355fi 1356test "$plugins" = "" && plugins=yes 1357 1358cat > $TMPC << EOF 1359 1360#ifdef __linux__ 1361# define THREAD __thread 1362#else 1363# define THREAD 1364#endif 1365static THREAD int tls_var; 1366int main(void) { return tls_var; } 1367EOF 1368 1369if test "$static" = "yes"; then 1370 if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then 1371 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" 1372 QEMU_LDFLAGS="-static-pie $QEMU_LDFLAGS" 1373 pie="yes" 1374 elif test "$pie" = "yes"; then 1375 error_exit "-static-pie not available due to missing toolchain support" 1376 else 1377 QEMU_LDFLAGS="-static $QEMU_LDFLAGS" 1378 pie="no" 1379 fi 1380elif test "$pie" = "no"; then 1381 if compile_prog "-Werror -fno-pie" "-no-pie"; then 1382 CONFIGURE_CFLAGS="-fno-pie $CONFIGURE_CFLAGS" 1383 CONFIGURE_LDFLAGS="-no-pie $CONFIGURE_LDFLAGS" 1384 fi 1385elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then 1386 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" 1387 CONFIGURE_LDFLAGS="-pie $CONFIGURE_LDFLAGS" 1388 pie="yes" 1389elif test "$pie" = "yes"; then 1390 error_exit "PIE not available due to missing toolchain support" 1391else 1392 echo "Disabling PIE due to missing toolchain support" 1393 pie="no" 1394fi 1395 1396# Detect support for PT_GNU_RELRO + DT_BIND_NOW. 1397# The combination is known as "full relro", because .got.plt is read-only too. 1398if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then 1399 QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS" 1400fi 1401 1402########################################## 1403# __sync_fetch_and_and requires at least -march=i486. Many toolchains 1404# use i686 as default anyway, but for those that don't, an explicit 1405# specification is necessary 1406 1407if test "$cpu" = "i386"; then 1408 cat > $TMPC << EOF 1409static int sfaa(int *ptr) 1410{ 1411 return __sync_fetch_and_and(ptr, 0); 1412} 1413 1414int main(void) 1415{ 1416 int val = 42; 1417 val = __sync_val_compare_and_swap(&val, 0, 1); 1418 sfaa(&val); 1419 return val; 1420} 1421EOF 1422 if ! compile_prog "" "" ; then 1423 QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS" 1424 fi 1425fi 1426 1427if test -z "${target_list+xxx}" ; then 1428 default_targets=yes 1429 for target in $default_target_list; do 1430 target_list="$target_list $target" 1431 done 1432 target_list="${target_list# }" 1433else 1434 default_targets=no 1435 target_list=$(echo "$target_list" | sed -e 's/,/ /g') 1436 for target in $target_list; do 1437 # Check that we recognised the target name; this allows a more 1438 # friendly error message than if we let it fall through. 1439 case " $default_target_list " in 1440 *" $target "*) 1441 ;; 1442 *) 1443 error_exit "Unknown target name '$target'" 1444 ;; 1445 esac 1446 done 1447fi 1448 1449# see if system emulation was really requested 1450case " $target_list " in 1451 *"-softmmu "*) softmmu=yes 1452 ;; 1453 *) softmmu=no 1454 ;; 1455esac 1456 1457if test "$tcg" = "auto"; then 1458 if test -z "$target_list"; then 1459 tcg="disabled" 1460 else 1461 tcg="enabled" 1462 fi 1463fi 1464 1465if test "$tcg" = "enabled"; then 1466 git_submodules="$git_submodules tests/fp/berkeley-testfloat-3" 1467 git_submodules="$git_submodules tests/fp/berkeley-softfloat-3" 1468fi 1469 1470feature_not_found() { 1471 feature=$1 1472 remedy=$2 1473 1474 error_exit "User requested feature $feature" \ 1475 "configure was not able to find it." \ 1476 "$remedy" 1477} 1478 1479# --- 1480# big/little endian test 1481cat > $TMPC << EOF 1482#include <stdio.h> 1483short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, }; 1484short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, }; 1485int main(int argc, char *argv[]) 1486{ 1487 return printf("%s %s\n", (char *)big_endian, (char *)little_endian); 1488} 1489EOF 1490 1491if compile_prog ; then 1492 if strings -a $TMPE | grep -q BiGeNdIaN ; then 1493 bigendian="yes" 1494 elif strings -a $TMPE | grep -q LiTtLeEnDiAn ; then 1495 bigendian="no" 1496 else 1497 echo big/little test failed 1498 exit 1 1499 fi 1500else 1501 echo big/little test failed 1502 exit 1 1503fi 1504 1505########################################## 1506# pkg-config probe 1507 1508if ! has "$pkg_config_exe"; then 1509 error_exit "pkg-config binary '$pkg_config_exe' not found" 1510fi 1511 1512########################################## 1513# glib support probe 1514 1515# When bumping glib_req_ver, please check also whether we should increase 1516# the _WIN32_WINNT setting in osdep.h according to the value from glib 1517glib_req_ver=2.56 1518glib_modules=gthread-2.0 1519if test "$modules" = yes; then 1520 glib_modules="$glib_modules gmodule-export-2.0" 1521elif test "$plugins" = "yes"; then 1522 glib_modules="$glib_modules gmodule-no-export-2.0" 1523fi 1524 1525for i in $glib_modules; do 1526 if $pkg_config --atleast-version=$glib_req_ver $i; then 1527 glib_cflags=$($pkg_config --cflags $i) 1528 glib_libs=$($pkg_config --libs $i) 1529 else 1530 error_exit "glib-$glib_req_ver $i is required to compile QEMU" 1531 fi 1532done 1533 1534glib_bindir="$($pkg_config --variable=bindir glib-2.0)" 1535if test -z "$glib_bindir" ; then 1536 glib_bindir="$($pkg_config --variable=prefix glib-2.0)"/bin 1537fi 1538 1539# This workaround is required due to a bug in pkg-config file for glib as it 1540# doesn't define GLIB_STATIC_COMPILATION for pkg-config --static 1541 1542if test "$static" = yes && test "$mingw32" = yes; then 1543 glib_cflags="-DGLIB_STATIC_COMPILATION $glib_cflags" 1544fi 1545 1546# Sanity check that the current size_t matches the 1547# size that glib thinks it should be. This catches 1548# problems on multi-arch where people try to build 1549# 32-bit QEMU while pointing at 64-bit glib headers 1550cat > $TMPC <<EOF 1551#include <glib.h> 1552#include <unistd.h> 1553 1554#define QEMU_BUILD_BUG_ON(x) \ 1555 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused)); 1556 1557int main(void) { 1558 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T); 1559 return 0; 1560} 1561EOF 1562 1563if ! compile_prog "$glib_cflags" "$glib_libs" ; then 1564 error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\ 1565 "You probably need to set PKG_CONFIG_LIBDIR"\ 1566 "to point to the right pkg-config files for your"\ 1567 "build target" 1568fi 1569 1570# Silence clang warnings triggered by glib < 2.57.2 1571cat > $TMPC << EOF 1572#include <glib.h> 1573typedef struct Foo { 1574 int i; 1575} Foo; 1576static void foo_free(Foo *f) 1577{ 1578 g_free(f); 1579} 1580G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free) 1581int main(void) { return 0; } 1582EOF 1583if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then 1584 if cc_has_warning_flag "-Wno-unused-function"; then 1585 glib_cflags="$glib_cflags -Wno-unused-function" 1586 CONFIGURE_CFLAGS="$CONFIGURE_CFLAGS -Wno-unused-function" 1587 fi 1588fi 1589 1590########################################## 1591# fdt probe 1592 1593case "$fdt" in 1594 auto | enabled | internal) 1595 # Simpler to always update submodule, even if not needed. 1596 git_submodules="${git_submodules} dtc" 1597 ;; 1598esac 1599 1600########################################## 1601# check and set a backend for coroutine 1602 1603# We prefer ucontext, but it's not always possible. The fallback 1604# is sigcontext. On Windows the only valid backend is the Windows 1605# specific one. 1606 1607ucontext_works=no 1608if test "$darwin" != "yes"; then 1609 cat > $TMPC << EOF 1610#include <ucontext.h> 1611#ifdef __stub_makecontext 1612#error Ignoring glibc stub makecontext which will always fail 1613#endif 1614int main(void) { makecontext(0, 0, 0); return 0; } 1615EOF 1616 if compile_prog "" "" ; then 1617 ucontext_works=yes 1618 fi 1619fi 1620 1621if test "$coroutine" = ""; then 1622 if test "$mingw32" = "yes"; then 1623 coroutine=win32 1624 elif test "$ucontext_works" = "yes"; then 1625 coroutine=ucontext 1626 else 1627 coroutine=sigaltstack 1628 fi 1629else 1630 case $coroutine in 1631 windows) 1632 if test "$mingw32" != "yes"; then 1633 error_exit "'windows' coroutine backend only valid for Windows" 1634 fi 1635 # Unfortunately the user visible backend name doesn't match the 1636 # coroutine-*.c filename for this case, so we have to adjust it here. 1637 coroutine=win32 1638 ;; 1639 ucontext) 1640 if test "$ucontext_works" != "yes"; then 1641 feature_not_found "ucontext" 1642 fi 1643 ;; 1644 sigaltstack) 1645 if test "$mingw32" = "yes"; then 1646 error_exit "only the 'windows' coroutine backend is valid for Windows" 1647 fi 1648 ;; 1649 *) 1650 error_exit "unknown coroutine backend $coroutine" 1651 ;; 1652 esac 1653fi 1654 1655################################################## 1656# SafeStack 1657 1658 1659if test "$safe_stack" = "yes"; then 1660cat > $TMPC << EOF 1661int main(int argc, char *argv[]) 1662{ 1663#if ! __has_feature(safe_stack) 1664#error SafeStack Disabled 1665#endif 1666 return 0; 1667} 1668EOF 1669 flag="-fsanitize=safe-stack" 1670 # Check that safe-stack is supported and enabled. 1671 if compile_prog "-Werror $flag" "$flag"; then 1672 # Flag needed both at compilation and at linking 1673 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1674 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 1675 else 1676 error_exit "SafeStack not supported by your compiler" 1677 fi 1678 if test "$coroutine" != "ucontext"; then 1679 error_exit "SafeStack is only supported by the coroutine backend ucontext" 1680 fi 1681else 1682cat > $TMPC << EOF 1683int main(int argc, char *argv[]) 1684{ 1685#if defined(__has_feature) 1686#if __has_feature(safe_stack) 1687#error SafeStack Enabled 1688#endif 1689#endif 1690 return 0; 1691} 1692EOF 1693if test "$safe_stack" = "no"; then 1694 # Make sure that safe-stack is disabled 1695 if ! compile_prog "-Werror" ""; then 1696 # SafeStack was already enabled, try to explicitly remove the feature 1697 flag="-fno-sanitize=safe-stack" 1698 if ! compile_prog "-Werror $flag" "$flag"; then 1699 error_exit "Configure cannot disable SafeStack" 1700 fi 1701 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1702 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 1703 fi 1704else # "$safe_stack" = "" 1705 # Set safe_stack to yes or no based on pre-existing flags 1706 if compile_prog "-Werror" ""; then 1707 safe_stack="no" 1708 else 1709 safe_stack="yes" 1710 if test "$coroutine" != "ucontext"; then 1711 error_exit "SafeStack is only supported by the coroutine backend ucontext" 1712 fi 1713 fi 1714fi 1715fi 1716 1717######################################## 1718# check if ccache is interfering with 1719# semantic analysis of macros 1720 1721unset CCACHE_CPP2 1722ccache_cpp2=no 1723cat > $TMPC << EOF 1724static const int Z = 1; 1725#define fn() ({ Z; }) 1726#define TAUT(X) ((X) == Z) 1727#define PAREN(X, Y) (X == Y) 1728#define ID(X) (X) 1729int main(int argc, char *argv[]) 1730{ 1731 int x = 0, y = 0; 1732 x = ID(x); 1733 x = fn(); 1734 fn(); 1735 if (PAREN(x, y)) return 0; 1736 if (TAUT(Z)) return 0; 1737 return 0; 1738} 1739EOF 1740 1741if ! compile_object "-Werror"; then 1742 ccache_cpp2=yes 1743fi 1744 1745################################################# 1746# clang does not support glibc + FORTIFY_SOURCE. 1747 1748if test "$fortify_source" != "no"; then 1749 if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then 1750 fortify_source="no"; 1751 elif test -n "$cxx" && has $cxx && 1752 echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then 1753 fortify_source="no"; 1754 else 1755 fortify_source="yes" 1756 fi 1757fi 1758 1759########################################## 1760# checks for sanitizers 1761 1762have_asan=no 1763have_ubsan=no 1764have_asan_iface_h=no 1765have_asan_iface_fiber=no 1766 1767if test "$sanitizers" = "yes" ; then 1768 write_c_skeleton 1769 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then 1770 have_asan=yes 1771 fi 1772 1773 # we could use a simple skeleton for flags checks, but this also 1774 # detect the static linking issue of ubsan, see also: 1775 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285 1776 cat > $TMPC << EOF 1777#include <stdlib.h> 1778int main(void) { 1779 void *tmp = malloc(10); 1780 if (tmp != NULL) { 1781 return *(int *)(tmp + 2); 1782 } 1783 return 1; 1784} 1785EOF 1786 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then 1787 have_ubsan=yes 1788 fi 1789 1790 if check_include "sanitizer/asan_interface.h" ; then 1791 have_asan_iface_h=yes 1792 fi 1793 1794 cat > $TMPC << EOF 1795#include <sanitizer/asan_interface.h> 1796int main(void) { 1797 __sanitizer_start_switch_fiber(0, 0, 0); 1798 return 0; 1799} 1800EOF 1801 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then 1802 have_asan_iface_fiber=yes 1803 fi 1804fi 1805 1806# Thread sanitizer is, for now, much noisier than the other sanitizers; 1807# keep it separate until that is not the case. 1808if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then 1809 error_exit "TSAN is not supported with other sanitiziers." 1810fi 1811have_tsan=no 1812have_tsan_iface_fiber=no 1813if test "$tsan" = "yes" ; then 1814 write_c_skeleton 1815 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then 1816 have_tsan=yes 1817 fi 1818 cat > $TMPC << EOF 1819#include <sanitizer/tsan_interface.h> 1820int main(void) { 1821 __tsan_create_fiber(0); 1822 return 0; 1823} 1824EOF 1825 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then 1826 have_tsan_iface_fiber=yes 1827 fi 1828fi 1829 1830########################################## 1831# check for slirp 1832 1833case "$slirp" in 1834 auto | enabled | internal) 1835 # Simpler to always update submodule, even if not needed. 1836 git_submodules="${git_submodules} slirp" 1837 ;; 1838esac 1839 1840########################################## 1841# functions to probe cross compilers 1842 1843container="no" 1844if test $use_containers = "yes"; then 1845 if has "docker" || has "podman"; then 1846 container=$($python $source_path/tests/docker/docker.py probe) 1847 fi 1848fi 1849 1850# cross compilers defaults, can be overridden with --cross-cc-ARCH 1851: ${cross_prefix_aarch64="aarch64-linux-gnu-"} 1852: ${cross_prefix_aarch64_be="$cross_prefix_aarch64"} 1853: ${cross_prefix_alpha="alpha-linux-gnu-"} 1854: ${cross_prefix_arm="arm-linux-gnueabihf-"} 1855: ${cross_prefix_armeb="$cross_prefix_arm"} 1856: ${cross_prefix_hexagon="hexagon-unknown-linux-musl-"} 1857: ${cross_prefix_loongarch64="loongarch64-unknown-linux-gnu-"} 1858: ${cross_prefix_hppa="hppa-linux-gnu-"} 1859: ${cross_prefix_i386="i686-linux-gnu-"} 1860: ${cross_prefix_m68k="m68k-linux-gnu-"} 1861: ${cross_prefix_microblaze="microblaze-linux-musl-"} 1862: ${cross_prefix_mips64el="mips64el-linux-gnuabi64-"} 1863: ${cross_prefix_mips64="mips64-linux-gnuabi64-"} 1864: ${cross_prefix_mipsel="mipsel-linux-gnu-"} 1865: ${cross_prefix_mips="mips-linux-gnu-"} 1866: ${cross_prefix_nios2="nios2-linux-gnu-"} 1867: ${cross_prefix_ppc="powerpc-linux-gnu-"} 1868: ${cross_prefix_ppc64="powerpc64-linux-gnu-"} 1869: ${cross_prefix_ppc64le="$cross_prefix_ppc64"} 1870: ${cross_prefix_riscv64="riscv64-linux-gnu-"} 1871: ${cross_prefix_s390x="s390x-linux-gnu-"} 1872: ${cross_prefix_sh4="sh4-linux-gnu-"} 1873: ${cross_prefix_sparc64="sparc64-linux-gnu-"} 1874: ${cross_prefix_sparc="$cross_prefix_sparc64"} 1875: ${cross_prefix_x86_64="x86_64-linux-gnu-"} 1876 1877: ${cross_cc_aarch64_be="$cross_cc_aarch64"} 1878: ${cross_cc_cflags_aarch64_be="-mbig-endian"} 1879: ${cross_cc_armeb="$cross_cc_arm"} 1880: ${cross_cc_cflags_armeb="-mbig-endian"} 1881: ${cross_cc_hexagon="hexagon-unknown-linux-musl-clang"} 1882: ${cross_cc_cflags_hexagon="-mv67 -O2 -static"} 1883: ${cross_cc_cflags_i386="-m32"} 1884: ${cross_cc_cflags_ppc="-m32 -mbig-endian"} 1885: ${cross_cc_cflags_ppc64="-m64 -mbig-endian"} 1886: ${cross_cc_ppc64le="$cross_cc_ppc64"} 1887: ${cross_cc_cflags_ppc64le="-m64 -mlittle-endian"} 1888: ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"} 1889: ${cross_cc_sparc="$cross_cc_sparc64"} 1890: ${cross_cc_cflags_sparc="-m32 -mcpu=supersparc"} 1891: ${cross_cc_cflags_x86_64="-m64"} 1892 1893compute_target_variable() { 1894 eval "$2=" 1895 if eval test -n "\"\${cross_prefix_$1}\""; then 1896 if eval has "\"\${cross_prefix_$1}\$3\""; then 1897 eval "$2=\"\${cross_prefix_$1}\$3\"" 1898 fi 1899 fi 1900} 1901 1902# probe_target_compiler TARGET 1903# 1904# Look for a compiler for the given target, either native or cross. 1905# Set variables target_* if a compiler is found, and container_cross_* 1906# if a Docker-based cross-compiler image is known for the target. 1907# Set got_cross_cc to yes/no depending on whether a non-container-based 1908# compiler was found. 1909# 1910# If TARGET is a user-mode emulation target, also set build_static to 1911# "y" if static linking is possible. 1912# 1913probe_target_compiler() { 1914 # reset all output variables 1915 got_cross_cc=no 1916 container_image= 1917 container_hosts= 1918 container_cross_cc= 1919 container_cross_ar= 1920 container_cross_as= 1921 container_cross_ld= 1922 container_cross_nm= 1923 container_cross_objcopy= 1924 container_cross_ranlib= 1925 container_cross_strip= 1926 1927 target_arch=${1%%-*} 1928 case $target_arch in 1929 aarch64) container_hosts="x86_64 aarch64" ;; 1930 alpha) container_hosts=x86_64 ;; 1931 arm) container_hosts="x86_64 aarch64" ;; 1932 cris) container_hosts=x86_64 ;; 1933 hexagon) container_hosts=x86_64 ;; 1934 hppa) container_hosts=x86_64 ;; 1935 i386) container_hosts=x86_64 ;; 1936 loongarch64) container_hosts=x86_64 ;; 1937 m68k) container_hosts=x86_64 ;; 1938 microblaze) container_hosts=x86_64 ;; 1939 mips64el) container_hosts=x86_64 ;; 1940 mips64) container_hosts=x86_64 ;; 1941 mipsel) container_hosts=x86_64 ;; 1942 mips) container_hosts=x86_64 ;; 1943 nios2) container_hosts=x86_64 ;; 1944 ppc) container_hosts=x86_64 ;; 1945 ppc64|ppc64le) container_hosts=x86_64 ;; 1946 riscv64) container_hosts=x86_64 ;; 1947 s390x) container_hosts=x86_64 ;; 1948 sh4) container_hosts=x86_64 ;; 1949 sparc64) container_hosts=x86_64 ;; 1950 tricore) container_hosts=x86_64 ;; 1951 x86_64) container_hosts="aarch64 ppc64el x86_64" ;; 1952 xtensa*) container_hosts=x86_64 ;; 1953 esac 1954 1955 for host in $container_hosts; do 1956 test "$container" != no || continue 1957 test "$host" = "$cpu" || continue 1958 case $target_arch in 1959 aarch64) 1960 # We don't have any bigendian build tools so we only use this for AArch64 1961 container_image=debian-arm64-cross 1962 container_cross_prefix=aarch64-linux-gnu- 1963 container_cross_cc=${container_cross_prefix}gcc-10 1964 ;; 1965 alpha) 1966 container_image=debian-alpha-cross 1967 container_cross_prefix=alpha-linux-gnu- 1968 ;; 1969 arm) 1970 # We don't have any bigendian build tools so we only use this for ARM 1971 container_image=debian-armhf-cross 1972 container_cross_prefix=arm-linux-gnueabihf- 1973 ;; 1974 cris) 1975 container_image=fedora-cris-cross 1976 container_cross_prefix=cris-linux-gnu- 1977 ;; 1978 hexagon) 1979 container_image=debian-hexagon-cross 1980 container_cross_prefix=hexagon-unknown-linux-musl- 1981 container_cross_cc=${container_cross_prefix}clang 1982 ;; 1983 hppa) 1984 container_image=debian-hppa-cross 1985 container_cross_prefix=hppa-linux-gnu- 1986 ;; 1987 i386) 1988 container_image=fedora-i386-cross 1989 container_cross_prefix= 1990 ;; 1991 loongarch64) 1992 container_image=debian-loongarch-cross 1993 container_cross_prefix=loongarch64-unknown-linux-gnu- 1994 ;; 1995 m68k) 1996 container_image=debian-m68k-cross 1997 container_cross_prefix=m68k-linux-gnu- 1998 ;; 1999 microblaze) 2000 container_image=debian-microblaze-cross 2001 container_cross_prefix=microblaze-linux-musl- 2002 ;; 2003 mips64el) 2004 container_image=debian-mips64el-cross 2005 container_cross_prefix=mips64el-linux-gnuabi64- 2006 ;; 2007 mips64) 2008 container_image=debian-mips64-cross 2009 container_cross_prefix=mips64-linux-gnuabi64- 2010 ;; 2011 mipsel) 2012 container_image=debian-mipsel-cross 2013 container_cross_prefix=mipsel-linux-gnu- 2014 ;; 2015 mips) 2016 container_image=debian-mips-cross 2017 container_cross_prefix=mips-linux-gnu- 2018 ;; 2019 nios2) 2020 container_image=debian-nios2-cross 2021 container_cross_prefix=nios2-linux-gnu- 2022 ;; 2023 ppc) 2024 container_image=debian-powerpc-test-cross 2025 container_cross_prefix=powerpc-linux-gnu- 2026 container_cross_cc=${container_cross_prefix}gcc-10 2027 ;; 2028 ppc64|ppc64le) 2029 container_image=debian-powerpc-test-cross 2030 container_cross_prefix=powerpc${1#ppc}-linux-gnu- 2031 container_cross_cc=${container_cross_prefix}gcc-10 2032 ;; 2033 riscv64) 2034 container_image=debian-riscv64-test-cross 2035 container_cross_prefix=riscv64-linux-gnu- 2036 ;; 2037 s390x) 2038 container_image=debian-s390x-cross 2039 container_cross_prefix=s390x-linux-gnu- 2040 ;; 2041 sh4) 2042 container_image=debian-sh4-cross 2043 container_cross_prefix=sh4-linux-gnu- 2044 ;; 2045 sparc64) 2046 container_image=debian-sparc64-cross 2047 container_cross_prefix=sparc64-linux-gnu- 2048 ;; 2049 tricore) 2050 container_image=debian-tricore-cross 2051 container_cross_prefix=tricore- 2052 container_cross_as=tricore-as 2053 container_cross_ld=tricore-ld 2054 break 2055 ;; 2056 x86_64) 2057 container_image=debian-amd64-cross 2058 container_cross_prefix=x86_64-linux-gnu- 2059 ;; 2060 xtensa*) 2061 container_hosts=x86_64 2062 container_image=debian-xtensa-cross 2063 2064 # default to the dc232b cpu 2065 container_cross_prefix=/opt/2020.07/xtensa-dc232b-elf/bin/xtensa-dc232b-elf- 2066 ;; 2067 esac 2068 : ${container_cross_cc:=${container_cross_prefix}gcc} 2069 : ${container_cross_ar:=${container_cross_prefix}ar} 2070 : ${container_cross_as:=${container_cross_prefix}as} 2071 : ${container_cross_ld:=${container_cross_prefix}ld} 2072 : ${container_cross_nm:=${container_cross_prefix}nm} 2073 : ${container_cross_objcopy:=${container_cross_prefix}objcopy} 2074 : ${container_cross_ranlib:=${container_cross_prefix}ranlib} 2075 : ${container_cross_strip:=${container_cross_prefix}strip} 2076 done 2077 2078 local t try 2079 try=cross 2080 case "$target_arch:$cpu" in 2081 aarch64_be:aarch64 | \ 2082 armeb:arm | \ 2083 i386:x86_64 | \ 2084 mips*:mips64 | \ 2085 ppc*:ppc64 | \ 2086 sparc:sparc64 | \ 2087 "$cpu:$cpu") 2088 try='native cross' ;; 2089 esac 2090 eval "target_cflags=\${cross_cc_cflags_$target_arch}" 2091 for t in $try; do 2092 case $t in 2093 native) 2094 target_cc=$cc 2095 target_ccas=$ccas 2096 target_ar=$ar 2097 target_as=$as 2098 target_ld=$ld 2099 target_nm=$nm 2100 target_objcopy=$objcopy 2101 target_ranlib=$ranlib 2102 target_strip=$strip 2103 ;; 2104 cross) 2105 target_cc= 2106 if eval test -n "\"\${cross_cc_$target_arch}\""; then 2107 if eval has "\"\${cross_cc_$target_arch}\""; then 2108 eval "target_cc=\"\${cross_cc_$target_arch}\"" 2109 fi 2110 else 2111 compute_target_variable $target_arch target_cc gcc 2112 fi 2113 target_ccas=$target_cc 2114 compute_target_variable $target_arch target_ar ar 2115 compute_target_variable $target_arch target_as as 2116 compute_target_variable $target_arch target_ld ld 2117 compute_target_variable $target_arch target_nm nm 2118 compute_target_variable $target_arch target_objcopy objcopy 2119 compute_target_variable $target_arch target_ranlib ranlib 2120 compute_target_variable $target_arch target_strip strip 2121 ;; 2122 esac 2123 2124 if test -n "$target_cc"; then 2125 case $target_arch in 2126 i386|x86_64) 2127 if $target_cc --version | grep -qi "clang"; then 2128 continue 2129 fi 2130 ;; 2131 esac 2132 elif test -n "$target_as" && test -n "$target_ld"; then 2133 # Special handling for assembler only targets 2134 case $target in 2135 tricore-softmmu) 2136 build_static= 2137 got_cross_cc=yes 2138 break 2139 ;; 2140 *) 2141 continue 2142 ;; 2143 esac 2144 else 2145 continue 2146 fi 2147 2148 write_c_skeleton 2149 case $1 in 2150 *-softmmu) 2151 if do_compiler "$target_cc" $target_cflags -o $TMPO -c $TMPC && 2152 do_compiler "$target_cc" $target_cflags -r -nostdlib -o "${TMPDIR1}/${TMPB}2.o" "$TMPO" -lgcc; then 2153 got_cross_cc=yes 2154 break 2155 fi 2156 ;; 2157 *) 2158 if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC -static ; then 2159 build_static=y 2160 got_cross_cc=yes 2161 break 2162 fi 2163 if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC ; then 2164 build_static= 2165 got_cross_cc=yes 2166 break 2167 fi 2168 ;; 2169 esac 2170 done 2171 if test $got_cross_cc != yes; then 2172 build_static= 2173 target_cc= 2174 target_ccas= 2175 target_cflags= 2176 target_ar= 2177 target_as= 2178 target_ld= 2179 target_nm= 2180 target_objcopy= 2181 target_ranlib= 2182 target_strip= 2183 fi 2184} 2185 2186write_target_makefile() { 2187 echo "EXTRA_CFLAGS=$target_cflags" 2188 if test -n "$target_cc"; then 2189 echo "CC=$target_cc" 2190 echo "CCAS=$target_ccas" 2191 fi 2192 if test -n "$target_ar"; then 2193 echo "AR=$target_ar" 2194 fi 2195 if test -n "$target_as"; then 2196 echo "AS=$target_as" 2197 fi 2198 if test -n "$target_ld"; then 2199 echo "LD=$target_ld" 2200 fi 2201 if test -n "$target_nm"; then 2202 echo "NM=$target_nm" 2203 fi 2204 if test -n "$target_objcopy"; then 2205 echo "OBJCOPY=$target_objcopy" 2206 fi 2207 if test -n "$target_ranlib"; then 2208 echo "RANLIB=$target_ranlib" 2209 fi 2210 if test -n "$target_strip"; then 2211 echo "STRIP=$target_strip" 2212 fi 2213} 2214 2215write_container_target_makefile() { 2216 echo "EXTRA_CFLAGS=$target_cflags" 2217 if test -n "$container_cross_cc"; then 2218 echo "CC=\$(DOCKER_SCRIPT) cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --" 2219 echo "CCAS=\$(DOCKER_SCRIPT) cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --" 2220 fi 2221 echo "AR=\$(DOCKER_SCRIPT) cc --cc $container_cross_ar -i qemu/$container_image -s $source_path --" 2222 echo "AS=\$(DOCKER_SCRIPT) cc --cc $container_cross_as -i qemu/$container_image -s $source_path --" 2223 echo "LD=\$(DOCKER_SCRIPT) cc --cc $container_cross_ld -i qemu/$container_image -s $source_path --" 2224 echo "NM=\$(DOCKER_SCRIPT) cc --cc $container_cross_nm -i qemu/$container_image -s $source_path --" 2225 echo "OBJCOPY=\$(DOCKER_SCRIPT) cc --cc $container_cross_objcopy -i qemu/$container_image -s $source_path --" 2226 echo "RANLIB=\$(DOCKER_SCRIPT) cc --cc $container_cross_ranlib -i qemu/$container_image -s $source_path --" 2227 echo "STRIP=\$(DOCKER_SCRIPT) cc --cc $container_cross_strip -i qemu/$container_image -s $source_path --" 2228} 2229 2230 2231 2232########################################## 2233# check for vfio_user_server 2234 2235case "$vfio_user_server" in 2236 enabled ) 2237 if test "$git_submodules_action" != "ignore"; then 2238 git_submodules="${git_submodules} subprojects/libvfio-user" 2239 fi 2240 ;; 2241esac 2242 2243########################################## 2244# End of CC checks 2245# After here, no more $cc or $ld runs 2246 2247write_c_skeleton 2248 2249if test "$fortify_source" = "yes" ; then 2250 QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS" 2251fi 2252 2253case "$ARCH" in 2254alpha) 2255 # Ensure there's only a single GP 2256 QEMU_CFLAGS="-msmall-data $QEMU_CFLAGS" 2257;; 2258esac 2259 2260if test "$have_asan" = "yes"; then 2261 QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS" 2262 QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS" 2263 if test "$have_asan_iface_h" = "no" ; then 2264 echo "ASAN build enabled, but ASAN header missing." \ 2265 "Without code annotation, the report may be inferior." 2266 elif test "$have_asan_iface_fiber" = "no" ; then 2267 echo "ASAN build enabled, but ASAN header is too old." \ 2268 "Without code annotation, the report may be inferior." 2269 fi 2270fi 2271if test "$have_tsan" = "yes" ; then 2272 if test "$have_tsan_iface_fiber" = "yes" ; then 2273 QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS" 2274 QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS" 2275 else 2276 error_exit "Cannot enable TSAN due to missing fiber annotation interface." 2277 fi 2278elif test "$tsan" = "yes" ; then 2279 error_exit "Cannot enable TSAN due to missing sanitize thread interface." 2280fi 2281if test "$have_ubsan" = "yes"; then 2282 QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS" 2283 QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS" 2284fi 2285 2286########################################## 2287 2288# Exclude --warn-common with TSan to suppress warnings from the TSan libraries. 2289if test "$solaris" = "no" && test "$tsan" = "no"; then 2290 if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then 2291 QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS" 2292 fi 2293fi 2294 2295# Guest agent Windows MSI package 2296 2297if test "$QEMU_GA_MANUFACTURER" = ""; then 2298 QEMU_GA_MANUFACTURER=QEMU 2299fi 2300if test "$QEMU_GA_DISTRO" = ""; then 2301 QEMU_GA_DISTRO=Linux 2302fi 2303if test "$QEMU_GA_VERSION" = ""; then 2304 QEMU_GA_VERSION=$(cat $source_path/VERSION) 2305fi 2306 2307 2308####################################### 2309# cross-compiled firmware targets 2310 2311# Set up build tree symlinks that point back into the source tree 2312# (these can be both files and directories). 2313# Caution: avoid adding files or directories here using wildcards. This 2314# will result in problems later if a new file matching the wildcard is 2315# added to the source tree -- nothing will cause configure to be rerun 2316# so the build tree will be missing the link back to the new file, and 2317# tests might fail. Prefer to keep the relevant files in their own 2318# directory and symlink the directory instead. 2319LINKS="Makefile" 2320LINKS="$LINKS tests/tcg/Makefile.target" 2321LINKS="$LINKS pc-bios/optionrom/Makefile" 2322LINKS="$LINKS pc-bios/s390-ccw/Makefile" 2323LINKS="$LINKS pc-bios/vof/Makefile" 2324LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit 2325LINKS="$LINKS tests/avocado tests/data" 2326LINKS="$LINKS tests/qemu-iotests/check" 2327LINKS="$LINKS python" 2328LINKS="$LINKS contrib/plugins/Makefile " 2329for f in $LINKS ; do 2330 if [ -e "$source_path/$f" ]; then 2331 mkdir -p `dirname ./$f` 2332 symlink "$source_path/$f" "$f" 2333 fi 2334done 2335 2336# Mac OS X ships with a broken assembler 2337roms= 2338probe_target_compiler i386-softmmu 2339if test -n "$target_cc" && 2340 test "$targetos" != "darwin" && test "$targetos" != "sunos" && \ 2341 test "$targetos" != "haiku" && test "$softmmu" = yes ; then 2342 # Different host OS linkers have different ideas about the name of the ELF 2343 # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd 2344 # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe. 2345 for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do 2346 if "$target_ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then 2347 ld_i386_emulation="$emu" 2348 break 2349 fi 2350 done 2351 if test -n "$ld_i386_emulation"; then 2352 roms="pc-bios/optionrom" 2353 config_mak=pc-bios/optionrom/config.mak 2354 echo "# Automatically generated by configure - do not modify" > $config_mak 2355 echo "TOPSRC_DIR=$source_path" >> $config_mak 2356 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_mak 2357 write_target_makefile >> $config_mak 2358 fi 2359fi 2360 2361probe_target_compiler ppc-softmmu 2362if test -n "$target_cc" && test "$softmmu" = yes; then 2363 roms="$roms pc-bios/vof" 2364 config_mak=pc-bios/vof/config.mak 2365 echo "# Automatically generated by configure - do not modify" > $config_mak 2366 echo "SRC_DIR=$source_path/pc-bios/vof" >> $config_mak 2367 write_target_makefile >> $config_mak 2368fi 2369 2370# Only build s390-ccw bios if the compiler has -march=z900 or -march=z10 2371# (which is the lowest architecture level that Clang supports) 2372probe_target_compiler s390x-softmmu 2373if test -n "$target_cc" && test "$softmmu" = yes; then 2374 write_c_skeleton 2375 do_compiler "$target_cc" $target_cc_cflags -march=z900 -o $TMPO -c $TMPC 2376 has_z900=$? 2377 if [ $has_z900 = 0 ] || do_compiler "$target_cc" $target_cc_cflags -march=z10 -msoft-float -Werror -o $TMPO -c $TMPC; then 2378 if [ $has_z900 != 0 ]; then 2379 echo "WARNING: Your compiler does not support the z900!" 2380 echo " The s390-ccw bios will only work with guest CPUs >= z10." 2381 fi 2382 roms="$roms pc-bios/s390-ccw" 2383 config_mak=pc-bios/s390-ccw/config-host.mak 2384 echo "# Automatically generated by configure - do not modify" > $config_mak 2385 echo "SRC_PATH=$source_path/pc-bios/s390-ccw" >> $config_mak 2386 write_target_makefile >> $config_mak 2387 # SLOF is required for building the s390-ccw firmware on s390x, 2388 # since it is using the libnet code from SLOF for network booting. 2389 git_submodules="${git_submodules} roms/SLOF" 2390 fi 2391fi 2392 2393####################################### 2394# generate config-host.mak 2395 2396# Check that the C++ compiler exists and works with the C compiler. 2397# All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added. 2398if has $cxx; then 2399 cat > $TMPC <<EOF 2400int c_function(void); 2401int main(void) { return c_function(); } 2402EOF 2403 2404 compile_object 2405 2406 cat > $TMPCXX <<EOF 2407extern "C" { 2408 int c_function(void); 2409} 2410int c_function(void) { return 42; } 2411EOF 2412 2413 update_cxxflags 2414 2415 if do_cxx $CXXFLAGS $EXTRA_CXXFLAGS $CONFIGURE_CXXFLAGS $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then 2416 # C++ compiler $cxx works ok with C compiler $cc 2417 : 2418 else 2419 echo "C++ compiler $cxx does not work with C compiler $cc" 2420 echo "Disabling C++ specific optional code" 2421 cxx= 2422 fi 2423else 2424 echo "No C++ compiler available; disabling C++ specific optional code" 2425 cxx= 2426fi 2427 2428if !(GIT="$git" "$source_path/scripts/git-submodule.sh" "$git_submodules_action" "$git_submodules"); then 2429 exit 1 2430fi 2431 2432config_host_mak="config-host.mak" 2433 2434echo "# Automatically generated by configure - do not modify" > $config_host_mak 2435echo >> $config_host_mak 2436 2437echo all: >> $config_host_mak 2438echo "GIT=$git" >> $config_host_mak 2439echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak 2440echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_host_mak 2441 2442if test "$debug_tcg" = "yes" ; then 2443 echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak 2444fi 2445if test "$mingw32" = "yes" ; then 2446 echo "CONFIG_WIN32=y" >> $config_host_mak 2447 echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak 2448 echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak 2449 echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak 2450else 2451 echo "CONFIG_POSIX=y" >> $config_host_mak 2452fi 2453 2454if test "$linux" = "yes" ; then 2455 echo "CONFIG_LINUX=y" >> $config_host_mak 2456fi 2457 2458if test "$darwin" = "yes" ; then 2459 echo "CONFIG_DARWIN=y" >> $config_host_mak 2460fi 2461 2462if test "$solaris" = "yes" ; then 2463 echo "CONFIG_SOLARIS=y" >> $config_host_mak 2464fi 2465if test "$static" = "yes" ; then 2466 echo "CONFIG_STATIC=y" >> $config_host_mak 2467fi 2468echo "SRC_PATH=$source_path" >> $config_host_mak 2469echo "TARGET_DIRS=$target_list" >> $config_host_mak 2470if test "$modules" = "yes"; then 2471 echo "CONFIG_MODULES=y" >> $config_host_mak 2472fi 2473 2474# XXX: suppress that 2475if [ "$bsd" = "yes" ] ; then 2476 echo "CONFIG_BSD=y" >> $config_host_mak 2477fi 2478 2479echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak 2480 2481if test "$have_asan_iface_fiber" = "yes" ; then 2482 echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak 2483fi 2484 2485if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then 2486 echo "CONFIG_TSAN=y" >> $config_host_mak 2487fi 2488 2489if test "$plugins" = "yes" ; then 2490 echo "CONFIG_PLUGIN=y" >> $config_host_mak 2491fi 2492 2493if test -n "$gdb_bin"; then 2494 gdb_version=$($gdb_bin --version | head -n 1) 2495 if version_ge ${gdb_version##* } 9.1; then 2496 echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak 2497 fi 2498fi 2499 2500echo "ROMS=$roms" >> $config_host_mak 2501echo "MAKE=$make" >> $config_host_mak 2502echo "PYTHON=$python" >> $config_host_mak 2503echo "GENISOIMAGE=$genisoimage" >> $config_host_mak 2504echo "MESON=$meson" >> $config_host_mak 2505echo "NINJA=$ninja" >> $config_host_mak 2506echo "CC=$cc" >> $config_host_mak 2507echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak 2508echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak 2509echo "QEMU_OBJCFLAGS=$QEMU_OBJCFLAGS" >> $config_host_mak 2510echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak 2511echo "GLIB_LIBS=$glib_libs" >> $config_host_mak 2512echo "GLIB_BINDIR=$glib_bindir" >> $config_host_mak 2513echo "GLIB_VERSION=$(pkg-config --modversion glib-2.0)" >> $config_host_mak 2514echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak 2515echo "EXESUF=$EXESUF" >> $config_host_mak 2516 2517# use included Linux headers 2518if test "$linux" = "yes" ; then 2519 mkdir -p linux-headers 2520 case "$cpu" in 2521 i386|x86_64) 2522 linux_arch=x86 2523 ;; 2524 ppc|ppc64) 2525 linux_arch=powerpc 2526 ;; 2527 s390x) 2528 linux_arch=s390 2529 ;; 2530 aarch64) 2531 linux_arch=arm64 2532 ;; 2533 loongarch*) 2534 linux_arch=loongarch 2535 ;; 2536 mips64) 2537 linux_arch=mips 2538 ;; 2539 *) 2540 # For most CPUs the kernel architecture name and QEMU CPU name match. 2541 linux_arch="$cpu" 2542 ;; 2543 esac 2544 # For non-KVM architectures we will not have asm headers 2545 if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then 2546 symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm 2547 fi 2548fi 2549 2550for target in $target_list; do 2551 target_dir="$target" 2552 target_name=$(echo $target | cut -d '-' -f 1)$EXESUF 2553 mkdir -p $target_dir 2554 case $target in 2555 *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;; 2556 *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;; 2557 esac 2558done 2559 2560if test "$default_targets" = "yes"; then 2561 echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak 2562fi 2563 2564if test "$ccache_cpp2" = "yes"; then 2565 echo "export CCACHE_CPP2=y" >> $config_host_mak 2566fi 2567 2568if test "$safe_stack" = "yes"; then 2569 echo "CONFIG_SAFESTACK=y" >> $config_host_mak 2570fi 2571 2572# tests/tcg configuration 2573(makefile=tests/tcg/Makefile.prereqs 2574echo "# Automatically generated by configure - do not modify" > $makefile 2575 2576config_host_mak=tests/tcg/config-host.mak 2577echo "# Automatically generated by configure - do not modify" > $config_host_mak 2578echo "SRC_PATH=$source_path" >> $config_host_mak 2579echo "HOST_CC=$host_cc" >> $config_host_mak 2580 2581tcg_tests_targets= 2582for target in $target_list; do 2583 arch=${target%%-*} 2584 2585 config_target_mak=tests/tcg/config-$target.mak 2586 2587 echo "# Automatically generated by configure - do not modify" > $config_target_mak 2588 echo "TARGET_NAME=$arch" >> $config_target_mak 2589 case $target in 2590 xtensa*-linux-user) 2591 # the toolchain is not complete with headers, only build softmmu tests 2592 continue 2593 ;; 2594 *-softmmu) 2595 test -f $source_path/tests/tcg/$arch/Makefile.softmmu-target || continue 2596 qemu="qemu-system-$arch" 2597 ;; 2598 *-linux-user|*-bsd-user) 2599 qemu="qemu-$arch" 2600 ;; 2601 esac 2602 2603 probe_target_compiler $target 2604 if test $got_cross_cc = yes; then 2605 # Test for compiler features for optional tests. We only do this 2606 # for cross compilers because ensuring the docker containers based 2607 # compilers is a requirememt for adding a new test that needs a 2608 # compiler feature. 2609 2610 echo "BUILD_STATIC=$build_static" >> $config_target_mak 2611 write_target_makefile >> $config_target_mak 2612 case $target in 2613 aarch64-*) 2614 if do_compiler "$target_cc" $target_cflags \ 2615 -march=armv8.1-a+sve -o $TMPE $TMPC; then 2616 echo "CROSS_CC_HAS_SVE=y" >> $config_target_mak 2617 fi 2618 if do_compiler "$target_cc" $target_cflags \ 2619 -march=armv8.1-a+sve2 -o $TMPE $TMPC; then 2620 echo "CROSS_CC_HAS_SVE2=y" >> $config_target_mak 2621 fi 2622 if do_compiler "$target_cc" $target_cflags \ 2623 -march=armv8.3-a -o $TMPE $TMPC; then 2624 echo "CROSS_CC_HAS_ARMV8_3=y" >> $config_target_mak 2625 fi 2626 if do_compiler "$target_cc" $target_cflags \ 2627 -mbranch-protection=standard -o $TMPE $TMPC; then 2628 echo "CROSS_CC_HAS_ARMV8_BTI=y" >> $config_target_mak 2629 fi 2630 if do_compiler "$target_cc" $target_cflags \ 2631 -march=armv8.5-a+memtag -o $TMPE $TMPC; then 2632 echo "CROSS_CC_HAS_ARMV8_MTE=y" >> $config_target_mak 2633 fi 2634 ;; 2635 ppc*) 2636 if do_compiler "$target_cc" $target_cflags \ 2637 -mpower8-vector -o $TMPE $TMPC; then 2638 echo "CROSS_CC_HAS_POWER8_VECTOR=y" >> $config_target_mak 2639 fi 2640 if do_compiler "$target_cc" $target_cflags \ 2641 -mpower10 -o $TMPE $TMPC; then 2642 echo "CROSS_CC_HAS_POWER10=y" >> $config_target_mak 2643 fi 2644 ;; 2645 i386-linux-user) 2646 if do_compiler "$target_cc" $target_cflags \ 2647 -Werror -fno-pie -o $TMPE $TMPC; then 2648 echo "CROSS_CC_HAS_I386_NOPIE=y" >> $config_target_mak 2649 fi 2650 ;; 2651 esac 2652 elif test -n "$container_image"; then 2653 echo "build-tcg-tests-$target: docker-image-$container_image" >> $makefile 2654 echo "BUILD_STATIC=y" >> $config_target_mak 2655 write_container_target_makefile >> $config_target_mak 2656 case $target in 2657 aarch64-*) 2658 echo "CROSS_CC_HAS_SVE=y" >> $config_target_mak 2659 echo "CROSS_CC_HAS_SVE2=y" >> $config_target_mak 2660 echo "CROSS_CC_HAS_ARMV8_3=y" >> $config_target_mak 2661 echo "CROSS_CC_HAS_ARMV8_BTI=y" >> $config_target_mak 2662 echo "CROSS_CC_HAS_ARMV8_MTE=y" >> $config_target_mak 2663 ;; 2664 ppc*) 2665 echo "CROSS_CC_HAS_POWER8_VECTOR=y" >> $config_target_mak 2666 echo "CROSS_CC_HAS_POWER10=y" >> $config_target_mak 2667 ;; 2668 i386-linux-user) 2669 echo "CROSS_CC_HAS_I386_NOPIE=y" >> $config_target_mak 2670 ;; 2671 esac 2672 got_cross_cc=yes 2673 fi 2674 if test $got_cross_cc = yes; then 2675 mkdir -p tests/tcg/$target 2676 echo "QEMU=$PWD/$qemu" >> $config_target_mak 2677 echo "run-tcg-tests-$target: $qemu\$(EXESUF)" >> $makefile 2678 tcg_tests_targets="$tcg_tests_targets $target" 2679 fi 2680done 2681echo "TCG_TESTS_TARGETS=$tcg_tests_targets" >> $makefile) 2682 2683if test "$skip_meson" = no; then 2684 cross="config-meson.cross.new" 2685 meson_quote() { 2686 test $# = 0 && return 2687 echo "'$(echo $* | sed "s/ /','/g")'" 2688 } 2689 2690 echo "# Automatically generated by configure - do not modify" > $cross 2691 echo "[properties]" >> $cross 2692 2693 # unroll any custom device configs 2694 for a in $device_archs; do 2695 eval "c=\$devices_${a}" 2696 echo "${a}-softmmu = '$c'" >> $cross 2697 done 2698 2699 test -z "$cxx" && echo "link_language = 'c'" >> $cross 2700 echo "[built-in options]" >> $cross 2701 echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross 2702 echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross 2703 test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross 2704 echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross 2705 echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross 2706 echo "[binaries]" >> $cross 2707 echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross 2708 test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross 2709 test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross 2710 echo "ar = [$(meson_quote $ar)]" >> $cross 2711 echo "nm = [$(meson_quote $nm)]" >> $cross 2712 echo "pkgconfig = [$(meson_quote $pkg_config_exe)]" >> $cross 2713 echo "ranlib = [$(meson_quote $ranlib)]" >> $cross 2714 if has $sdl2_config; then 2715 echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross 2716 fi 2717 echo "strip = [$(meson_quote $strip)]" >> $cross 2718 echo "widl = [$(meson_quote $widl)]" >> $cross 2719 echo "windres = [$(meson_quote $windres)]" >> $cross 2720 if test "$cross_compile" = "yes"; then 2721 cross_arg="--cross-file config-meson.cross" 2722 echo "[host_machine]" >> $cross 2723 echo "system = '$targetos'" >> $cross 2724 case "$cpu" in 2725 i386) 2726 echo "cpu_family = 'x86'" >> $cross 2727 ;; 2728 *) 2729 echo "cpu_family = '$cpu'" >> $cross 2730 ;; 2731 esac 2732 echo "cpu = '$cpu'" >> $cross 2733 if test "$bigendian" = "yes" ; then 2734 echo "endian = 'big'" >> $cross 2735 else 2736 echo "endian = 'little'" >> $cross 2737 fi 2738 else 2739 cross_arg="--native-file config-meson.cross" 2740 fi 2741 mv $cross config-meson.cross 2742 2743 rm -rf meson-private meson-info meson-logs 2744 2745 # Built-in options 2746 test "$bindir" != "bin" && meson_option_add "-Dbindir=$bindir" 2747 test "$default_feature" = no && meson_option_add -Dauto_features=disabled 2748 test "$pie" = no && meson_option_add -Db_pie=false 2749 test "$werror" = yes && meson_option_add -Dwerror=true 2750 2751 # QEMU options 2752 test "$cfi" != false && meson_option_add "-Dcfi=$cfi" 2753 test "$fdt" != auto && meson_option_add "-Dfdt=$fdt" 2754 test -n "${LIB_FUZZING_ENGINE+xxx}" && meson_option_add "-Dfuzzing_engine=$LIB_FUZZING_ENGINE" 2755 test "$qemu_suffix" != qemu && meson_option_add "-Dqemu_suffix=$qemu_suffix" 2756 test "$slirp" != auto && meson_option_add "-Dslirp=$slirp" 2757 test "$smbd" != '' && meson_option_add "-Dsmbd=$smbd" 2758 test "$tcg" != enabled && meson_option_add "-Dtcg=$tcg" 2759 test "$vfio_user_server" != auto && meson_option_add "-Dvfio_user_server=$vfio_user_server" 2760 run_meson() { 2761 NINJA=$ninja $meson setup --prefix "$prefix" "$@" $cross_arg "$PWD" "$source_path" 2762 } 2763 eval run_meson $meson_options 2764 if test "$?" -ne 0 ; then 2765 error_exit "meson setup failed" 2766 fi 2767else 2768 if test -f meson-private/cmd_line.txt; then 2769 # Adjust old command line options whose type was changed 2770 # Avoids having to use "setup --wipe" when Meson is upgraded 2771 perl -i -ne ' 2772 s/^gettext = true$/gettext = auto/; 2773 s/^gettext = false$/gettext = disabled/; 2774 /^b_staticpic/ && next; 2775 print;' meson-private/cmd_line.txt 2776 fi 2777fi 2778 2779# Save the configure command line for later reuse. 2780cat <<EOD >config.status 2781#!/bin/sh 2782# Generated by configure. 2783# Run this file to recreate the current configuration. 2784# Compiler output produced by configure, useful for debugging 2785# configure, is in config.log if it exists. 2786EOD 2787 2788preserve_env() { 2789 envname=$1 2790 2791 eval envval=\$$envname 2792 2793 if test -n "$envval" 2794 then 2795 echo "$envname='$envval'" >> config.status 2796 echo "export $envname" >> config.status 2797 else 2798 echo "unset $envname" >> config.status 2799 fi 2800} 2801 2802# Preserve various env variables that influence what 2803# features/build target configure will detect 2804preserve_env AR 2805preserve_env AS 2806preserve_env CC 2807preserve_env CFLAGS 2808preserve_env CXX 2809preserve_env CXXFLAGS 2810preserve_env LD 2811preserve_env LDFLAGS 2812preserve_env LD_LIBRARY_PATH 2813preserve_env MAKE 2814preserve_env NM 2815preserve_env OBJCFLAGS 2816preserve_env OBJCOPY 2817preserve_env PATH 2818preserve_env PKG_CONFIG 2819preserve_env PKG_CONFIG_LIBDIR 2820preserve_env PKG_CONFIG_PATH 2821preserve_env PYTHON 2822preserve_env SDL2_CONFIG 2823preserve_env SMBD 2824preserve_env STRIP 2825preserve_env WIDL 2826preserve_env WINDRES 2827 2828printf "exec" >>config.status 2829for i in "$0" "$@"; do 2830 test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status 2831done 2832echo ' "$@"' >>config.status 2833chmod +x config.status 2834 2835rm -r "$TMPDIR1" 2836