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