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 "$default_feature" = no ; then 310 slirp="disabled" 311else 312 slirp="auto" 313fi 314fdt="auto" 315 316# 2. Automatically enable/disable other options 317tcg="enabled" 318cfi="false" 319 320# parse CC options second 321for opt do 322 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 323 case "$opt" in 324 --cross-prefix=*) cross_prefix="$optarg" 325 cross_compile="yes" 326 ;; 327 --cc=*) CC="$optarg" 328 ;; 329 --cxx=*) CXX="$optarg" 330 ;; 331 --cpu=*) cpu="$optarg" 332 ;; 333 --extra-cflags=*) 334 EXTRA_CFLAGS="$EXTRA_CFLAGS $optarg" 335 EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg" 336 EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg" 337 ;; 338 --extra-cxxflags=*) EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg" 339 ;; 340 --extra-objcflags=*) EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg" 341 ;; 342 --extra-ldflags=*) EXTRA_LDFLAGS="$EXTRA_LDFLAGS $optarg" 343 ;; 344 --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option" 345 ;; 346 --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-cflags-}; cc_arch=${cc_arch%%=*} 347 eval "cross_cc_cflags_${cc_arch}=\$optarg" 348 cross_cc_vars="$cross_cc_vars cross_cc_cflags_${cc_arch}" 349 ;; 350 --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*} 351 eval "cross_cc_${cc_arch}=\$optarg" 352 cross_cc_vars="$cross_cc_vars cross_cc_${cc_arch}" 353 ;; 354 esac 355done 356# OS specific 357# Using uname is really, really broken. Once we have the right set of checks 358# we can eliminate its usage altogether. 359 360# Preferred compiler: 361# ${CC} (if set) 362# ${cross_prefix}gcc (if cross-prefix specified) 363# system compiler 364if test -z "${CC}${cross_prefix}"; then 365 cc="$host_cc" 366else 367 cc="${CC-${cross_prefix}gcc}" 368fi 369 370if test -z "${CXX}${cross_prefix}"; then 371 cxx="c++" 372else 373 cxx="${CXX-${cross_prefix}g++}" 374fi 375 376ar="${AR-${cross_prefix}ar}" 377as="${AS-${cross_prefix}as}" 378ccas="${CCAS-$cc}" 379cpp="${CPP-$cc -E}" 380objcopy="${OBJCOPY-${cross_prefix}objcopy}" 381ld="${LD-${cross_prefix}ld}" 382ranlib="${RANLIB-${cross_prefix}ranlib}" 383nm="${NM-${cross_prefix}nm}" 384smbd="$SMBD" 385strip="${STRIP-${cross_prefix}strip}" 386widl="${WIDL-${cross_prefix}widl}" 387windres="${WINDRES-${cross_prefix}windres}" 388pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}" 389query_pkg_config() { 390 "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@" 391} 392pkg_config=query_pkg_config 393sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}" 394 395# default flags for all hosts 396# We use -fwrapv to tell the compiler that we require a C dialect where 397# left shift of signed integers is well defined and has the expected 398# 2s-complement style results. (Both clang and gcc agree that it 399# provides these semantics.) 400QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv" 401QEMU_CFLAGS="-Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS" 402QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS" 403QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS" 404 405QEMU_LDFLAGS= 406 407# Flags that are needed during configure but later taken care of by Meson 408CONFIGURE_CFLAGS="-std=gnu11 -Wall" 409CONFIGURE_LDFLAGS= 410 411 412check_define() { 413cat > $TMPC <<EOF 414#if !defined($1) 415#error $1 not defined 416#endif 417int main(void) { return 0; } 418EOF 419 compile_object 420} 421 422check_include() { 423cat > $TMPC <<EOF 424#include <$1> 425int main(void) { return 0; } 426EOF 427 compile_object 428} 429 430write_c_skeleton() { 431 cat > $TMPC <<EOF 432int main(void) { return 0; } 433EOF 434} 435 436if check_define __linux__ ; then 437 targetos=linux 438elif check_define _WIN32 ; then 439 targetos=windows 440elif check_define __OpenBSD__ ; then 441 targetos=openbsd 442elif check_define __sun__ ; then 443 targetos=sunos 444elif check_define __HAIKU__ ; then 445 targetos=haiku 446elif check_define __FreeBSD__ ; then 447 targetos=freebsd 448elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then 449 targetos=gnu/kfreebsd 450elif check_define __DragonFly__ ; then 451 targetos=dragonfly 452elif check_define __NetBSD__; then 453 targetos=netbsd 454elif check_define __APPLE__; then 455 targetos=darwin 456else 457 # This is a fatal error, but don't report it yet, because we 458 # might be going to just print the --help text, or it might 459 # be the result of a missing compiler. 460 targetos=bogus 461fi 462 463# OS specific 464 465mingw32="no" 466bsd="no" 467linux="no" 468solaris="no" 469case $targetos in 470windows) 471 mingw32="yes" 472 plugins="no" 473 pie="no" 474;; 475gnu/kfreebsd) 476 bsd="yes" 477;; 478freebsd) 479 bsd="yes" 480 make="${MAKE-gmake}" 481 # needed for kinfo_getvmmap(3) in libutil.h 482;; 483dragonfly) 484 bsd="yes" 485 make="${MAKE-gmake}" 486;; 487netbsd) 488 bsd="yes" 489 make="${MAKE-gmake}" 490;; 491openbsd) 492 bsd="yes" 493 make="${MAKE-gmake}" 494;; 495darwin) 496 bsd="yes" 497 darwin="yes" 498 # Disable attempts to use ObjectiveC features in os/object.h since they 499 # won't work when we're compiling with gcc as a C compiler. 500 QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS" 501;; 502sunos) 503 solaris="yes" 504 make="${MAKE-gmake}" 505# needed for CMSG_ macros in sys/socket.h 506 QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS" 507# needed for TIOCWIN* defines in termios.h 508 QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS" 509 # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo 510 # Note that this check is broken for cross-compilation: if you're 511 # cross-compiling to one of these OSes then you'll need to specify 512 # the correct CPU with the --cpu option. 513 if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then 514 cpu="x86_64" 515 fi 516;; 517haiku) 518 pie="no" 519 QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -D_BSD_SOURCE -fPIC $QEMU_CFLAGS" 520;; 521linux) 522 linux="yes" 523;; 524esac 525 526if test ! -z "$cpu" ; then 527 # command line argument 528 : 529elif check_define __i386__ ; then 530 cpu="i386" 531elif check_define __x86_64__ ; then 532 if check_define __ILP32__ ; then 533 cpu="x32" 534 else 535 cpu="x86_64" 536 fi 537elif check_define __sparc__ ; then 538 if check_define __arch64__ ; then 539 cpu="sparc64" 540 else 541 cpu="sparc" 542 fi 543elif check_define _ARCH_PPC ; then 544 if check_define _ARCH_PPC64 ; then 545 if check_define _LITTLE_ENDIAN ; then 546 cpu="ppc64le" 547 else 548 cpu="ppc64" 549 fi 550 else 551 cpu="ppc" 552 fi 553elif check_define __mips__ ; then 554 cpu="mips" 555elif check_define __s390__ ; then 556 if check_define __s390x__ ; then 557 cpu="s390x" 558 else 559 cpu="s390" 560 fi 561elif check_define __riscv ; then 562 cpu="riscv" 563elif check_define __arm__ ; then 564 cpu="arm" 565elif check_define __aarch64__ ; then 566 cpu="aarch64" 567elif check_define __loongarch64 ; then 568 cpu="loongarch64" 569else 570 cpu=$(uname -m) 571fi 572 573# Normalise host CPU name, set multilib cflags 574# Note that this case should only have supported host CPUs, not guests. 575case "$cpu" in 576 armv*b|armv*l|arm) 577 cpu="arm" ;; 578 579 i386|i486|i586|i686|i86pc|BePC) 580 cpu="i386" 581 CPU_CFLAGS="-m32" ;; 582 x32) 583 cpu="x86_64" 584 CPU_CFLAGS="-mx32" ;; 585 x86_64|amd64) 586 cpu="x86_64" 587 # ??? Only extremely old AMD cpus do not have cmpxchg16b. 588 # If we truly care, we should simply detect this case at 589 # runtime and generate the fallback to serial emulation. 590 CPU_CFLAGS="-m64 -mcx16" ;; 591 592 mips*) 593 cpu="mips" ;; 594 595 ppc) 596 CPU_CFLAGS="-m32" ;; 597 ppc64) 598 CPU_CFLAGS="-m64 -mbig-endian" ;; 599 ppc64le) 600 cpu="ppc64" 601 CPU_CFLAGS="-m64 -mlittle-endian" ;; 602 603 s390) 604 CPU_CFLAGS="-m31" ;; 605 s390x) 606 CPU_CFLAGS="-m64" ;; 607 608 sparc|sun4[cdmuv]) 609 cpu="sparc" 610 CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc" ;; 611 sparc64) 612 CPU_CFLAGS="-m64 -mcpu=ultrasparc" ;; 613esac 614 615: ${make=${MAKE-make}} 616 617# We prefer python 3.x. A bare 'python' is traditionally 618# python 2.x, but some distros have it as python 3.x, so 619# we check that too 620python= 621explicit_python=no 622for binary in "${PYTHON-python3}" python 623do 624 if has "$binary" 625 then 626 python=$(command -v "$binary") 627 break 628 fi 629done 630 631 632# Check for ancillary tools used in testing 633genisoimage= 634for binary in genisoimage mkisofs 635do 636 if has $binary 637 then 638 genisoimage=$(command -v "$binary") 639 break 640 fi 641done 642 643# Default objcc to clang if available, otherwise use CC 644if has clang; then 645 objcc=clang 646else 647 objcc="$cc" 648fi 649 650if test "$mingw32" = "yes" ; then 651 EXESUF=".exe" 652 # MinGW needs -mthreads for TLS and macro _MT. 653 CONFIGURE_CFLAGS="-mthreads $CONFIGURE_CFLAGS" 654 write_c_skeleton; 655 prefix="/qemu" 656 bindir="" 657 qemu_suffix="" 658fi 659 660werror="" 661 662. $source_path/scripts/meson-buildoptions.sh 663 664meson_options= 665meson_option_add() { 666 meson_options="$meson_options $(quote_sh "$1")" 667} 668meson_option_parse() { 669 meson_options="$meson_options $(_meson_option_parse "$@")" 670 if test $? -eq 1; then 671 echo "ERROR: unknown option $1" 672 echo "Try '$0 --help' for more information" 673 exit 1 674 fi 675} 676 677for opt do 678 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 679 case "$opt" in 680 --help|-h) show_help=yes 681 ;; 682 --version|-V) exec cat $source_path/VERSION 683 ;; 684 --prefix=*) prefix="$optarg" 685 ;; 686 --cross-prefix=*) 687 ;; 688 --cc=*) 689 ;; 690 --host-cc=*) host_cc="$optarg" 691 ;; 692 --cxx=*) 693 ;; 694 --objcc=*) objcc="$optarg" 695 ;; 696 --make=*) make="$optarg" 697 ;; 698 --install=*) 699 ;; 700 --python=*) python="$optarg" ; explicit_python=yes 701 ;; 702 --skip-meson) skip_meson=yes 703 ;; 704 --meson=*) meson="$optarg" 705 ;; 706 --ninja=*) ninja="$optarg" 707 ;; 708 --smbd=*) smbd="$optarg" 709 ;; 710 --extra-cflags=*) 711 ;; 712 --extra-cxxflags=*) 713 ;; 714 --extra-objcflags=*) 715 ;; 716 --extra-ldflags=*) 717 ;; 718 --cross-cc-*) 719 ;; 720 --enable-debug-info) meson_option_add -Ddebug=true 721 ;; 722 --disable-debug-info) meson_option_add -Ddebug=false 723 ;; 724 --enable-modules) 725 modules="yes" 726 ;; 727 --disable-modules) 728 modules="no" 729 ;; 730 --cpu=*) 731 ;; 732 --target-list=*) target_list="$optarg" 733 if test "$target_list_exclude"; then 734 error_exit "Can't mix --target-list with --target-list-exclude" 735 fi 736 ;; 737 --target-list-exclude=*) target_list_exclude="$optarg" 738 if test "$target_list"; then 739 error_exit "Can't mix --target-list-exclude with --target-list" 740 fi 741 ;; 742 --with-default-devices) meson_option_add -Ddefault_devices=true 743 ;; 744 --without-default-devices) meson_option_add -Ddefault_devices=false 745 ;; 746 --with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option" 747 ;; 748 --with-devices-*) device_arch=${opt#--with-devices-}; 749 device_arch=${device_arch%%=*} 750 cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak 751 if test -f "$cf"; then 752 device_archs="$device_archs $device_arch" 753 eval "devices_${device_arch}=\$optarg" 754 else 755 error_exit "File $cf does not exist" 756 fi 757 ;; 758 --without-default-features) # processed above 759 ;; 760 --static) 761 static="yes" 762 QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS" 763 ;; 764 --bindir=*) bindir="$optarg" 765 ;; 766 --with-suffix=*) qemu_suffix="$optarg" 767 ;; 768 --host=*|--build=*|\ 769 --disable-dependency-tracking|\ 770 --sbindir=*|--sharedstatedir=*|\ 771 --oldincludedir=*|--datarootdir=*|--infodir=*|\ 772 --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*) 773 # These switches are silently ignored, for compatibility with 774 # autoconf-generated configure scripts. This allows QEMU's 775 # configure to be used by RPM and similar macros that set 776 # lots of directory switches by default. 777 ;; 778 --enable-debug-tcg) debug_tcg="yes" 779 ;; 780 --disable-debug-tcg) debug_tcg="no" 781 ;; 782 --enable-debug) 783 # Enable debugging options that aren't excessively noisy 784 debug_tcg="yes" 785 meson_option_parse --enable-debug-mutex "" 786 meson_option_add -Doptimization=0 787 fortify_source="no" 788 ;; 789 --enable-sanitizers) sanitizers="yes" 790 ;; 791 --disable-sanitizers) sanitizers="no" 792 ;; 793 --enable-tsan) tsan="yes" 794 ;; 795 --disable-tsan) tsan="no" 796 ;; 797 --disable-slirp) slirp="disabled" 798 ;; 799 --enable-slirp) slirp="enabled" 800 ;; 801 --enable-slirp=git) slirp="internal" 802 ;; 803 --enable-slirp=*) slirp="$optarg" 804 ;; 805 --disable-tcg) tcg="disabled" 806 plugins="no" 807 ;; 808 --enable-tcg) tcg="enabled" 809 ;; 810 --disable-system) softmmu="no" 811 ;; 812 --enable-system) softmmu="yes" 813 ;; 814 --disable-user) 815 linux_user="no" ; 816 bsd_user="no" ; 817 ;; 818 --enable-user) ;; 819 --disable-linux-user) linux_user="no" 820 ;; 821 --enable-linux-user) linux_user="yes" 822 ;; 823 --disable-bsd-user) bsd_user="no" 824 ;; 825 --enable-bsd-user) bsd_user="yes" 826 ;; 827 --enable-pie) pie="yes" 828 ;; 829 --disable-pie) pie="no" 830 ;; 831 --enable-werror) werror="yes" 832 ;; 833 --disable-werror) werror="no" 834 ;; 835 --enable-stack-protector) stack_protector="yes" 836 ;; 837 --disable-stack-protector) stack_protector="no" 838 ;; 839 --enable-safe-stack) safe_stack="yes" 840 ;; 841 --disable-safe-stack) safe_stack="no" 842 ;; 843 --enable-cfi) 844 cfi="true"; 845 meson_option_add -Db_lto=true 846 ;; 847 --disable-cfi) cfi="false" 848 ;; 849 --disable-fdt) fdt="disabled" 850 ;; 851 --enable-fdt) fdt="enabled" 852 ;; 853 --enable-fdt=git) fdt="internal" 854 ;; 855 --enable-fdt=*) fdt="$optarg" 856 ;; 857 --with-coroutine=*) coroutine="$optarg" 858 ;; 859 --disable-zlib-test) 860 ;; 861 --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane) 862 echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2 863 ;; 864 --enable-vhdx|--disable-vhdx) 865 echo "$0: $opt is obsolete, VHDX driver is always built" >&2 866 ;; 867 --enable-uuid|--disable-uuid) 868 echo "$0: $opt is obsolete, UUID support is always built" >&2 869 ;; 870 --with-git=*) git="$optarg" 871 ;; 872 --with-git-submodules=*) 873 git_submodules_action="$optarg" 874 ;; 875 --enable-plugins) if test "$mingw32" = "yes"; then 876 error_exit "TCG plugins not currently supported on Windows platforms" 877 else 878 plugins="yes" 879 fi 880 ;; 881 --disable-plugins) plugins="no" 882 ;; 883 --enable-containers) use_containers="yes" 884 ;; 885 --disable-containers) use_containers="no" 886 ;; 887 --gdb=*) gdb_bin="$optarg" 888 ;; 889 # backwards compatibility options 890 --enable-trace-backend=*) meson_option_parse "--enable-trace-backends=$optarg" "$optarg" 891 ;; 892 --disable-blobs) meson_option_parse --disable-install-blobs "" 893 ;; 894 --enable-tcmalloc) meson_option_parse --enable-malloc=tcmalloc tcmalloc 895 ;; 896 --enable-jemalloc) meson_option_parse --enable-malloc=jemalloc jemalloc 897 ;; 898 # everything else has the same name in configure and meson 899 --*) meson_option_parse "$opt" "$optarg" 900 ;; 901 esac 902done 903 904# test for any invalid configuration combinations 905if test "$plugins" = "yes" -a "$tcg" = "disabled"; then 906 error_exit "Can't enable plugins on non-TCG builds" 907fi 908 909case $git_submodules_action in 910 update|validate) 911 if test ! -e "$source_path/.git"; then 912 echo "ERROR: cannot $git_submodules_action git submodules without .git" 913 exit 1 914 fi 915 ;; 916 ignore) 917 if ! test -f "$source_path/ui/keycodemapdb/README" 918 then 919 echo 920 echo "ERROR: missing GIT submodules" 921 echo 922 if test -e "$source_path/.git"; then 923 echo "--with-git-submodules=ignore specified but submodules were not" 924 echo "checked out. Please initialize and update submodules." 925 else 926 echo "This is not a GIT checkout but module content appears to" 927 echo "be missing. Do not use 'git archive' or GitHub download links" 928 echo "to acquire QEMU source archives. Non-GIT builds are only" 929 echo "supported with source archives linked from:" 930 echo 931 echo " https://www.qemu.org/download/#source" 932 echo 933 echo "Developers working with GIT can use scripts/archive-source.sh" 934 echo "if they need to create valid source archives." 935 fi 936 echo 937 exit 1 938 fi 939 ;; 940 *) 941 echo "ERROR: invalid --with-git-submodules= value '$git_submodules_action'" 942 exit 1 943 ;; 944esac 945 946if eval test -z "\${cross_cc_$cpu}"; then 947 eval "cross_cc_${cpu}=\$cc" 948 cross_cc_vars="$cross_cc_vars cross_cc_${cpu}" 949fi 950 951default_target_list="" 952mak_wilds="" 953 954if [ "$linux_user" != no ]; then 955 if [ "$targetos" = linux ] && [ -d $source_path/linux-user/include/host/$cpu ]; then 956 linux_user=yes 957 elif [ "$linux_user" = yes ]; then 958 error_exit "linux-user not supported on this architecture" 959 fi 960fi 961if [ "$bsd_user" != no ]; then 962 if [ "$bsd_user" = "" ]; then 963 test $targetos = freebsd && bsd_user=yes 964 fi 965 if [ "$bsd_user" = yes ] && ! [ -d $source_path/bsd-user/$targetos ]; then 966 error_exit "bsd-user not supported on this host OS" 967 fi 968fi 969if [ "$softmmu" = "yes" ]; then 970 mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak" 971fi 972if [ "$linux_user" = "yes" ]; then 973 mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak" 974fi 975if [ "$bsd_user" = "yes" ]; then 976 mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak" 977fi 978 979for config in $mak_wilds; do 980 target="$(basename "$config" .mak)" 981 if echo "$target_list_exclude" | grep -vq "$target"; then 982 default_target_list="${default_target_list} $target" 983 fi 984done 985 986if test x"$show_help" = x"yes" ; then 987cat << EOF 988 989Usage: configure [options] 990Options: [defaults in brackets after descriptions] 991 992Standard options: 993 --help print this message 994 --prefix=PREFIX install in PREFIX [$prefix] 995 --target-list=LIST set target list (default: build all) 996$(echo Available targets: $default_target_list | \ 997 fold -s -w 53 | sed -e 's/^/ /') 998 --target-list-exclude=LIST exclude a set of targets from the default target-list 999 1000Advanced options (experts only): 1001 --cross-prefix=PREFIX use PREFIX for compile tools, PREFIX can be blank [$cross_prefix] 1002 --cc=CC use C compiler CC [$cc] 1003 --host-cc=CC use C compiler CC [$host_cc] for code run at 1004 build time 1005 --cxx=CXX use C++ compiler CXX [$cxx] 1006 --objcc=OBJCC use Objective-C compiler OBJCC [$objcc] 1007 --extra-cflags=CFLAGS append extra C compiler flags CFLAGS 1008 --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS 1009 --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS 1010 --extra-ldflags=LDFLAGS append extra linker flags LDFLAGS 1011 --cross-cc-ARCH=CC use compiler when building ARCH guest test cases 1012 --cross-cc-cflags-ARCH= use compiler flags when building ARCH guest tests 1013 --make=MAKE use specified make [$make] 1014 --python=PYTHON use specified python [$python] 1015 --meson=MESON use specified meson [$meson] 1016 --ninja=NINJA use specified ninja [$ninja] 1017 --smbd=SMBD use specified smbd [$smbd] 1018 --with-git=GIT use specified git [$git] 1019 --with-git-submodules=update update git submodules (default if .git dir exists) 1020 --with-git-submodules=validate fail if git submodules are not up to date 1021 --with-git-submodules=ignore do not update or check git submodules (default if no .git dir) 1022 --static enable static build [$static] 1023 --bindir=PATH install binaries in PATH 1024 --efi-aarch64=PATH PATH of efi file to use for aarch64 VMs. 1025 --with-suffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix] 1026 --without-default-features default all --enable-* options to "disabled" 1027 --without-default-devices do not include any device that is not needed to 1028 start the emulator (only use if you are including 1029 desired devices in configs/devices/) 1030 --with-devices-ARCH=NAME override default configs/devices 1031 --enable-debug enable common debug build options 1032 --enable-sanitizers enable default sanitizers 1033 --enable-tsan enable thread sanitizer 1034 --disable-werror disable compilation abort on warning 1035 --disable-stack-protector disable compiler-provided stack protection 1036 --cpu=CPU Build for host CPU [$cpu] 1037 --with-coroutine=BACKEND coroutine backend. Supported options: 1038 ucontext, sigaltstack, windows 1039 --enable-plugins 1040 enable plugins via shared library loading 1041 --disable-containers don't use containers for cross-building 1042 --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin] 1043EOF 1044 meson_options_help 1045cat << EOF 1046 system all system emulation targets 1047 user supported user emulation targets 1048 linux-user all linux usermode emulation targets 1049 bsd-user all BSD usermode emulation targets 1050 pie Position Independent Executables 1051 modules modules support (non-Windows) 1052 debug-tcg TCG debugging (default is disabled) 1053 debug-info debugging information 1054 safe-stack SafeStack Stack Smash Protection. Depends on 1055 clang/llvm >= 3.7 and requires coroutine backend ucontext. 1056 1057NOTE: The object files are built at the place where configure is launched 1058EOF 1059exit 0 1060fi 1061 1062# Remove old dependency files to make sure that they get properly regenerated 1063rm -f */config-devices.mak.d 1064 1065if test -z "$python" 1066then 1067 error_exit "Python not found. Use --python=/path/to/python" 1068fi 1069if ! has "$make" 1070then 1071 error_exit "GNU make ($make) not found" 1072fi 1073 1074# Note that if the Python conditional here evaluates True we will exit 1075# with status 1 which is a shell 'false' value. 1076if ! $python -c 'import sys; sys.exit(sys.version_info < (3,6))'; then 1077 error_exit "Cannot use '$python', Python >= 3.6 is required." \ 1078 "Use --python=/path/to/python to specify a supported Python." 1079fi 1080 1081# Preserve python version since some functionality is dependent on it 1082python_version=$($python -c 'import sys; print("%d.%d.%d" % (sys.version_info[0], sys.version_info[1], sys.version_info[2]))' 2>/dev/null) 1083 1084# Suppress writing compiled files 1085python="$python -B" 1086 1087if test -z "$meson"; then 1088 if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.59.3; then 1089 meson=meson 1090 elif test $git_submodules_action != 'ignore' ; then 1091 meson=git 1092 elif test -e "${source_path}/meson/meson.py" ; then 1093 meson=internal 1094 else 1095 if test "$explicit_python" = yes; then 1096 error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found." 1097 else 1098 error_exit "Meson not found. Use --meson=/path/to/meson" 1099 fi 1100 fi 1101else 1102 # Meson uses its own Python interpreter to invoke other Python scripts, 1103 # but the user wants to use the one they specified with --python. 1104 # 1105 # We do not want to override the distro Python interpreter (and sometimes 1106 # cannot: for example in Homebrew /usr/bin/meson is a bash script), so 1107 # just require --meson=git|internal together with --python. 1108 if test "$explicit_python" = yes; then 1109 case "$meson" in 1110 git | internal) ;; 1111 *) error_exit "--python requires using QEMU's embedded Meson distribution." ;; 1112 esac 1113 fi 1114fi 1115 1116if test "$meson" = git; then 1117 git_submodules="${git_submodules} meson" 1118fi 1119 1120case "$meson" in 1121 git | internal) 1122 meson="$python ${source_path}/meson/meson.py" 1123 ;; 1124 *) meson=$(command -v "$meson") ;; 1125esac 1126 1127# Probe for ninja 1128 1129if test -z "$ninja"; then 1130 for c in ninja ninja-build samu; do 1131 if has $c; then 1132 ninja=$(command -v "$c") 1133 break 1134 fi 1135 done 1136 if test -z "$ninja"; then 1137 error_exit "Cannot find Ninja" 1138 fi 1139fi 1140 1141# Check that the C compiler works. Doing this here before testing 1142# the host CPU ensures that we had a valid CC to autodetect the 1143# $cpu var (and we should bail right here if that's not the case). 1144# It also allows the help message to be printed without a CC. 1145write_c_skeleton; 1146if compile_object ; then 1147 : C compiler works ok 1148else 1149 error_exit "\"$cc\" either does not exist or does not work" 1150fi 1151if ! compile_prog ; then 1152 error_exit "\"$cc\" cannot build an executable (is your linker broken?)" 1153fi 1154 1155# Consult white-list to determine whether to enable werror 1156# by default. Only enable by default for git builds 1157if test -z "$werror" ; then 1158 if test "$git_submodules_action" != "ignore" && \ 1159 { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then 1160 werror="yes" 1161 else 1162 werror="no" 1163 fi 1164fi 1165 1166if test "$targetos" = "bogus"; then 1167 # Now that we know that we're not printing the help and that 1168 # the compiler works (so the results of the check_defines we used 1169 # to identify the OS are reliable), if we didn't recognize the 1170 # host OS we should stop now. 1171 error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')" 1172fi 1173 1174# Check whether the compiler matches our minimum requirements: 1175cat > $TMPC << EOF 1176#if defined(__clang_major__) && defined(__clang_minor__) 1177# ifdef __apple_build_version__ 1178# if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0) 1179# error You need at least XCode Clang v10.0 to compile QEMU 1180# endif 1181# else 1182# if __clang_major__ < 6 || (__clang_major__ == 6 && __clang_minor__ < 0) 1183# error You need at least Clang v6.0 to compile QEMU 1184# endif 1185# endif 1186#elif defined(__GNUC__) && defined(__GNUC_MINOR__) 1187# if __GNUC__ < 7 || (__GNUC__ == 7 && __GNUC_MINOR__ < 4) 1188# error You need at least GCC v7.4.0 to compile QEMU 1189# endif 1190#else 1191# error You either need GCC or Clang to compiler QEMU 1192#endif 1193int main (void) { return 0; } 1194EOF 1195if ! compile_prog "" "" ; then 1196 error_exit "You need at least GCC v7.4 or Clang v6.0 (or XCode Clang v10.0)" 1197fi 1198 1199# Accumulate -Wfoo and -Wno-bar separately. 1200# We will list all of the enable flags first, and the disable flags second. 1201# Note that we do not add -Werror, because that would enable it for all 1202# configure tests. If a configure test failed due to -Werror this would 1203# just silently disable some features, so it's too error prone. 1204 1205warn_flags= 1206add_to warn_flags -Wold-style-declaration 1207add_to warn_flags -Wold-style-definition 1208add_to warn_flags -Wtype-limits 1209add_to warn_flags -Wformat-security 1210add_to warn_flags -Wformat-y2k 1211add_to warn_flags -Winit-self 1212add_to warn_flags -Wignored-qualifiers 1213add_to warn_flags -Wempty-body 1214add_to warn_flags -Wnested-externs 1215add_to warn_flags -Wendif-labels 1216add_to warn_flags -Wexpansion-to-defined 1217add_to warn_flags -Wimplicit-fallthrough=2 1218 1219nowarn_flags= 1220add_to nowarn_flags -Wno-initializer-overrides 1221add_to nowarn_flags -Wno-missing-include-dirs 1222add_to nowarn_flags -Wno-shift-negative-value 1223add_to nowarn_flags -Wno-string-plus-int 1224add_to nowarn_flags -Wno-typedef-redefinition 1225add_to nowarn_flags -Wno-tautological-type-limit-compare 1226add_to nowarn_flags -Wno-psabi 1227 1228gcc_flags="$warn_flags $nowarn_flags" 1229 1230cc_has_warning_flag() { 1231 write_c_skeleton; 1232 1233 # Use the positive sense of the flag when testing for -Wno-wombat 1234 # support (gcc will happily accept the -Wno- form of unknown 1235 # warning options). 1236 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')" 1237 compile_prog "-Werror $optflag" "" 1238} 1239 1240objcc_has_warning_flag() { 1241 cat > $TMPM <<EOF 1242int main(void) { return 0; } 1243EOF 1244 1245 # Use the positive sense of the flag when testing for -Wno-wombat 1246 # support (gcc will happily accept the -Wno- form of unknown 1247 # warning options). 1248 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')" 1249 do_objc -Werror $optflag \ 1250 $OBJCFLAGS $EXTRA_OBJCFLAGS $CONFIGURE_OBJCFLAGS $QEMU_OBJCFLAGS \ 1251 -o $TMPE $TMPM $QEMU_LDFLAGS 1252} 1253 1254for flag in $gcc_flags; do 1255 if cc_has_warning_flag $flag ; then 1256 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1257 fi 1258 if objcc_has_warning_flag $flag ; then 1259 QEMU_OBJCFLAGS="$QEMU_OBJCFLAGS $flag" 1260 fi 1261done 1262 1263if test "$stack_protector" != "no"; then 1264 cat > $TMPC << EOF 1265int main(int argc, char *argv[]) 1266{ 1267 char arr[64], *p = arr, *c = argv[0]; 1268 while (*c) { 1269 *p++ = *c++; 1270 } 1271 return 0; 1272} 1273EOF 1274 gcc_flags="-fstack-protector-strong -fstack-protector-all" 1275 sp_on=0 1276 for flag in $gcc_flags; do 1277 # We need to check both a compile and a link, since some compiler 1278 # setups fail only on a .c->.o compile and some only at link time 1279 if compile_object "-Werror $flag" && 1280 compile_prog "-Werror $flag" ""; then 1281 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1282 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 1283 sp_on=1 1284 break 1285 fi 1286 done 1287 if test "$stack_protector" = yes; then 1288 if test $sp_on = 0; then 1289 error_exit "Stack protector not supported" 1290 fi 1291 fi 1292fi 1293 1294# Disable -Wmissing-braces on older compilers that warn even for 1295# the "universal" C zero initializer {0}. 1296cat > $TMPC << EOF 1297struct { 1298 int a[2]; 1299} x = {0}; 1300EOF 1301if compile_object "-Werror" "" ; then 1302 : 1303else 1304 QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces" 1305fi 1306 1307# Our module code doesn't support Windows 1308if test "$modules" = "yes" && test "$mingw32" = "yes" ; then 1309 error_exit "Modules are not available for Windows" 1310fi 1311 1312# Static linking is not possible with plugins, modules or PIE 1313if test "$static" = "yes" ; then 1314 if test "$modules" = "yes" ; then 1315 error_exit "static and modules are mutually incompatible" 1316 fi 1317 if test "$plugins" = "yes"; then 1318 error_exit "static and plugins are mutually incompatible" 1319 else 1320 plugins="no" 1321 fi 1322fi 1323test "$plugins" = "" && plugins=yes 1324 1325cat > $TMPC << EOF 1326 1327#ifdef __linux__ 1328# define THREAD __thread 1329#else 1330# define THREAD 1331#endif 1332static THREAD int tls_var; 1333int main(void) { return tls_var; } 1334EOF 1335 1336# Check we support -fno-pie and -no-pie first; we will need the former for 1337# building ROMs, and both for everything if --disable-pie is passed. 1338if compile_prog "-Werror -fno-pie" "-no-pie"; then 1339 CFLAGS_NOPIE="-fno-pie" 1340 LDFLAGS_NOPIE="-no-pie" 1341fi 1342 1343if test "$static" = "yes"; then 1344 if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then 1345 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" 1346 QEMU_LDFLAGS="-static-pie $QEMU_LDFLAGS" 1347 pie="yes" 1348 elif test "$pie" = "yes"; then 1349 error_exit "-static-pie not available due to missing toolchain support" 1350 else 1351 QEMU_LDFLAGS="-static $QEMU_LDFLAGS" 1352 pie="no" 1353 fi 1354elif test "$pie" = "no"; then 1355 CONFIGURE_CFLAGS="$CFLAGS_NOPIE $CONFIGURE_CFLAGS" 1356 CONFIGURE_LDFLAGS="$LDFLAGS_NOPIE $CONFIGURE_LDFLAGS" 1357elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then 1358 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" 1359 CONFIGURE_LDFLAGS="-pie $CONFIGURE_LDFLAGS" 1360 pie="yes" 1361elif test "$pie" = "yes"; then 1362 error_exit "PIE not available due to missing toolchain support" 1363else 1364 echo "Disabling PIE due to missing toolchain support" 1365 pie="no" 1366fi 1367 1368# Detect support for PT_GNU_RELRO + DT_BIND_NOW. 1369# The combination is known as "full relro", because .got.plt is read-only too. 1370if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then 1371 QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS" 1372fi 1373 1374########################################## 1375# __sync_fetch_and_and requires at least -march=i486. Many toolchains 1376# use i686 as default anyway, but for those that don't, an explicit 1377# specification is necessary 1378 1379if test "$cpu" = "i386"; then 1380 cat > $TMPC << EOF 1381static int sfaa(int *ptr) 1382{ 1383 return __sync_fetch_and_and(ptr, 0); 1384} 1385 1386int main(void) 1387{ 1388 int val = 42; 1389 val = __sync_val_compare_and_swap(&val, 0, 1); 1390 sfaa(&val); 1391 return val; 1392} 1393EOF 1394 if ! compile_prog "" "" ; then 1395 QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS" 1396 fi 1397fi 1398 1399if test "$tcg" = "enabled"; then 1400 git_submodules="$git_submodules tests/fp/berkeley-testfloat-3" 1401 git_submodules="$git_submodules tests/fp/berkeley-softfloat-3" 1402fi 1403 1404if test -z "${target_list+xxx}" ; then 1405 default_targets=yes 1406 for target in $default_target_list; do 1407 target_list="$target_list $target" 1408 done 1409 target_list="${target_list# }" 1410else 1411 default_targets=no 1412 target_list=$(echo "$target_list" | sed -e 's/,/ /g') 1413 for target in $target_list; do 1414 # Check that we recognised the target name; this allows a more 1415 # friendly error message than if we let it fall through. 1416 case " $default_target_list " in 1417 *" $target "*) 1418 ;; 1419 *) 1420 error_exit "Unknown target name '$target'" 1421 ;; 1422 esac 1423 done 1424fi 1425 1426# see if system emulation was really requested 1427case " $target_list " in 1428 *"-softmmu "*) softmmu=yes 1429 ;; 1430 *) softmmu=no 1431 ;; 1432esac 1433 1434feature_not_found() { 1435 feature=$1 1436 remedy=$2 1437 1438 error_exit "User requested feature $feature" \ 1439 "configure was not able to find it." \ 1440 "$remedy" 1441} 1442 1443# --- 1444# big/little endian test 1445cat > $TMPC << EOF 1446#include <stdio.h> 1447short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, }; 1448short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, }; 1449int main(int argc, char *argv[]) 1450{ 1451 return printf("%s %s\n", (char *)big_endian, (char *)little_endian); 1452} 1453EOF 1454 1455if compile_prog ; then 1456 if strings -a $TMPE | grep -q BiGeNdIaN ; then 1457 bigendian="yes" 1458 elif strings -a $TMPE | grep -q LiTtLeEnDiAn ; then 1459 bigendian="no" 1460 else 1461 echo big/little test failed 1462 exit 1 1463 fi 1464else 1465 echo big/little test failed 1466 exit 1 1467fi 1468 1469########################################## 1470# pkg-config probe 1471 1472if ! has "$pkg_config_exe"; then 1473 error_exit "pkg-config binary '$pkg_config_exe' not found" 1474fi 1475 1476########################################## 1477# glib support probe 1478 1479# When bumping glib_req_ver, please check also whether we should increase 1480# the _WIN32_WINNT setting in osdep.h according to the value from glib 1481glib_req_ver=2.56 1482glib_modules=gthread-2.0 1483if test "$modules" = yes; then 1484 glib_modules="$glib_modules gmodule-export-2.0" 1485elif test "$plugins" = "yes"; then 1486 glib_modules="$glib_modules gmodule-no-export-2.0" 1487fi 1488 1489for i in $glib_modules; do 1490 if $pkg_config --atleast-version=$glib_req_ver $i; then 1491 glib_cflags=$($pkg_config --cflags $i) 1492 glib_libs=$($pkg_config --libs $i) 1493 else 1494 error_exit "glib-$glib_req_ver $i is required to compile QEMU" 1495 fi 1496done 1497 1498# This workaround is required due to a bug in pkg-config file for glib as it 1499# doesn't define GLIB_STATIC_COMPILATION for pkg-config --static 1500 1501if test "$static" = yes && test "$mingw32" = yes; then 1502 glib_cflags="-DGLIB_STATIC_COMPILATION $glib_cflags" 1503fi 1504 1505# Sanity check that the current size_t matches the 1506# size that glib thinks it should be. This catches 1507# problems on multi-arch where people try to build 1508# 32-bit QEMU while pointing at 64-bit glib headers 1509cat > $TMPC <<EOF 1510#include <glib.h> 1511#include <unistd.h> 1512 1513#define QEMU_BUILD_BUG_ON(x) \ 1514 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused)); 1515 1516int main(void) { 1517 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T); 1518 return 0; 1519} 1520EOF 1521 1522if ! compile_prog "$glib_cflags" "$glib_libs" ; then 1523 error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\ 1524 "You probably need to set PKG_CONFIG_LIBDIR"\ 1525 "to point to the right pkg-config files for your"\ 1526 "build target" 1527fi 1528 1529# Silence clang warnings triggered by glib < 2.57.2 1530cat > $TMPC << EOF 1531#include <glib.h> 1532typedef struct Foo { 1533 int i; 1534} Foo; 1535static void foo_free(Foo *f) 1536{ 1537 g_free(f); 1538} 1539G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free) 1540int main(void) { return 0; } 1541EOF 1542if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then 1543 if cc_has_warning_flag "-Wno-unused-function"; then 1544 glib_cflags="$glib_cflags -Wno-unused-function" 1545 CONFIGURE_CFLAGS="$CONFIGURE_CFLAGS -Wno-unused-function" 1546 fi 1547fi 1548 1549########################################## 1550# fdt probe 1551 1552case "$fdt" in 1553 auto | enabled | internal) 1554 # Simpler to always update submodule, even if not needed. 1555 git_submodules="${git_submodules} dtc" 1556 ;; 1557esac 1558 1559########################################## 1560# check and set a backend for coroutine 1561 1562# We prefer ucontext, but it's not always possible. The fallback 1563# is sigcontext. On Windows the only valid backend is the Windows 1564# specific one. 1565 1566ucontext_works=no 1567if test "$darwin" != "yes"; then 1568 cat > $TMPC << EOF 1569#include <ucontext.h> 1570#ifdef __stub_makecontext 1571#error Ignoring glibc stub makecontext which will always fail 1572#endif 1573int main(void) { makecontext(0, 0, 0); return 0; } 1574EOF 1575 if compile_prog "" "" ; then 1576 ucontext_works=yes 1577 fi 1578fi 1579 1580if test "$coroutine" = ""; then 1581 if test "$mingw32" = "yes"; then 1582 coroutine=win32 1583 elif test "$ucontext_works" = "yes"; then 1584 coroutine=ucontext 1585 else 1586 coroutine=sigaltstack 1587 fi 1588else 1589 case $coroutine in 1590 windows) 1591 if test "$mingw32" != "yes"; then 1592 error_exit "'windows' coroutine backend only valid for Windows" 1593 fi 1594 # Unfortunately the user visible backend name doesn't match the 1595 # coroutine-*.c filename for this case, so we have to adjust it here. 1596 coroutine=win32 1597 ;; 1598 ucontext) 1599 if test "$ucontext_works" != "yes"; then 1600 feature_not_found "ucontext" 1601 fi 1602 ;; 1603 sigaltstack) 1604 if test "$mingw32" = "yes"; then 1605 error_exit "only the 'windows' coroutine backend is valid for Windows" 1606 fi 1607 ;; 1608 *) 1609 error_exit "unknown coroutine backend $coroutine" 1610 ;; 1611 esac 1612fi 1613 1614################################################## 1615# SafeStack 1616 1617 1618if test "$safe_stack" = "yes"; then 1619cat > $TMPC << EOF 1620int main(int argc, char *argv[]) 1621{ 1622#if ! __has_feature(safe_stack) 1623#error SafeStack Disabled 1624#endif 1625 return 0; 1626} 1627EOF 1628 flag="-fsanitize=safe-stack" 1629 # Check that safe-stack is supported and enabled. 1630 if compile_prog "-Werror $flag" "$flag"; then 1631 # Flag needed both at compilation and at linking 1632 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1633 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 1634 else 1635 error_exit "SafeStack not supported by your compiler" 1636 fi 1637 if test "$coroutine" != "ucontext"; then 1638 error_exit "SafeStack is only supported by the coroutine backend ucontext" 1639 fi 1640else 1641cat > $TMPC << EOF 1642int main(int argc, char *argv[]) 1643{ 1644#if defined(__has_feature) 1645#if __has_feature(safe_stack) 1646#error SafeStack Enabled 1647#endif 1648#endif 1649 return 0; 1650} 1651EOF 1652if test "$safe_stack" = "no"; then 1653 # Make sure that safe-stack is disabled 1654 if ! compile_prog "-Werror" ""; then 1655 # SafeStack was already enabled, try to explicitly remove the feature 1656 flag="-fno-sanitize=safe-stack" 1657 if ! compile_prog "-Werror $flag" "$flag"; then 1658 error_exit "Configure cannot disable SafeStack" 1659 fi 1660 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1661 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 1662 fi 1663else # "$safe_stack" = "" 1664 # Set safe_stack to yes or no based on pre-existing flags 1665 if compile_prog "-Werror" ""; then 1666 safe_stack="no" 1667 else 1668 safe_stack="yes" 1669 if test "$coroutine" != "ucontext"; then 1670 error_exit "SafeStack is only supported by the coroutine backend ucontext" 1671 fi 1672 fi 1673fi 1674fi 1675 1676######################################## 1677# check if ccache is interfering with 1678# semantic analysis of macros 1679 1680unset CCACHE_CPP2 1681ccache_cpp2=no 1682cat > $TMPC << EOF 1683static const int Z = 1; 1684#define fn() ({ Z; }) 1685#define TAUT(X) ((X) == Z) 1686#define PAREN(X, Y) (X == Y) 1687#define ID(X) (X) 1688int main(int argc, char *argv[]) 1689{ 1690 int x = 0, y = 0; 1691 x = ID(x); 1692 x = fn(); 1693 fn(); 1694 if (PAREN(x, y)) return 0; 1695 if (TAUT(Z)) return 0; 1696 return 0; 1697} 1698EOF 1699 1700if ! compile_object "-Werror"; then 1701 ccache_cpp2=yes 1702fi 1703 1704################################################# 1705# clang does not support glibc + FORTIFY_SOURCE. 1706 1707if test "$fortify_source" != "no"; then 1708 if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then 1709 fortify_source="no"; 1710 elif test -n "$cxx" && has $cxx && 1711 echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then 1712 fortify_source="no"; 1713 else 1714 fortify_source="yes" 1715 fi 1716fi 1717 1718########################################## 1719# checks for sanitizers 1720 1721have_asan=no 1722have_ubsan=no 1723have_asan_iface_h=no 1724have_asan_iface_fiber=no 1725 1726if test "$sanitizers" = "yes" ; then 1727 write_c_skeleton 1728 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then 1729 have_asan=yes 1730 fi 1731 1732 # we could use a simple skeleton for flags checks, but this also 1733 # detect the static linking issue of ubsan, see also: 1734 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285 1735 cat > $TMPC << EOF 1736#include <stdlib.h> 1737int main(void) { 1738 void *tmp = malloc(10); 1739 if (tmp != NULL) { 1740 return *(int *)(tmp + 2); 1741 } 1742 return 1; 1743} 1744EOF 1745 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then 1746 have_ubsan=yes 1747 fi 1748 1749 if check_include "sanitizer/asan_interface.h" ; then 1750 have_asan_iface_h=yes 1751 fi 1752 1753 cat > $TMPC << EOF 1754#include <sanitizer/asan_interface.h> 1755int main(void) { 1756 __sanitizer_start_switch_fiber(0, 0, 0); 1757 return 0; 1758} 1759EOF 1760 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then 1761 have_asan_iface_fiber=yes 1762 fi 1763fi 1764 1765# Thread sanitizer is, for now, much noisier than the other sanitizers; 1766# keep it separate until that is not the case. 1767if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then 1768 error_exit "TSAN is not supported with other sanitiziers." 1769fi 1770have_tsan=no 1771have_tsan_iface_fiber=no 1772if test "$tsan" = "yes" ; then 1773 write_c_skeleton 1774 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then 1775 have_tsan=yes 1776 fi 1777 cat > $TMPC << EOF 1778#include <sanitizer/tsan_interface.h> 1779int main(void) { 1780 __tsan_create_fiber(0); 1781 return 0; 1782} 1783EOF 1784 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then 1785 have_tsan_iface_fiber=yes 1786 fi 1787fi 1788 1789########################################## 1790# check for slirp 1791 1792case "$slirp" in 1793 auto | enabled | internal) 1794 # Simpler to always update submodule, even if not needed. 1795 git_submodules="${git_submodules} slirp" 1796 ;; 1797esac 1798 1799########################################## 1800# End of CC checks 1801# After here, no more $cc or $ld runs 1802 1803write_c_skeleton 1804 1805if test "$fortify_source" = "yes" ; then 1806 QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS" 1807fi 1808 1809case "$ARCH" in 1810alpha) 1811 # Ensure there's only a single GP 1812 QEMU_CFLAGS="-msmall-data $QEMU_CFLAGS" 1813;; 1814esac 1815 1816if test "$have_asan" = "yes"; then 1817 QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS" 1818 QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS" 1819 if test "$have_asan_iface_h" = "no" ; then 1820 echo "ASAN build enabled, but ASAN header missing." \ 1821 "Without code annotation, the report may be inferior." 1822 elif test "$have_asan_iface_fiber" = "no" ; then 1823 echo "ASAN build enabled, but ASAN header is too old." \ 1824 "Without code annotation, the report may be inferior." 1825 fi 1826fi 1827if test "$have_tsan" = "yes" ; then 1828 if test "$have_tsan_iface_fiber" = "yes" ; then 1829 QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS" 1830 QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS" 1831 else 1832 error_exit "Cannot enable TSAN due to missing fiber annotation interface." 1833 fi 1834elif test "$tsan" = "yes" ; then 1835 error_exit "Cannot enable TSAN due to missing sanitize thread interface." 1836fi 1837if test "$have_ubsan" = "yes"; then 1838 QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS" 1839 QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS" 1840fi 1841 1842########################################## 1843 1844# Exclude --warn-common with TSan to suppress warnings from the TSan libraries. 1845if test "$solaris" = "no" && test "$tsan" = "no"; then 1846 if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then 1847 QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS" 1848 fi 1849fi 1850 1851# Guest agent Windows MSI package 1852 1853if test "$QEMU_GA_MANUFACTURER" = ""; then 1854 QEMU_GA_MANUFACTURER=QEMU 1855fi 1856if test "$QEMU_GA_DISTRO" = ""; then 1857 QEMU_GA_DISTRO=Linux 1858fi 1859if test "$QEMU_GA_VERSION" = ""; then 1860 QEMU_GA_VERSION=$(cat $source_path/VERSION) 1861fi 1862 1863QEMU_GA_MSI_MINGW_BIN_PATH="$($pkg_config --variable=prefix glib-2.0)/bin" 1864 1865# Mac OS X ships with a broken assembler 1866roms= 1867if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \ 1868 test "$targetos" != "darwin" && test "$targetos" != "sunos" && \ 1869 test "$targetos" != "haiku" && test "$softmmu" = yes ; then 1870 # Different host OS linkers have different ideas about the name of the ELF 1871 # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd 1872 # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe. 1873 for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do 1874 if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then 1875 ld_i386_emulation="$emu" 1876 roms="optionrom" 1877 break 1878 fi 1879 done 1880fi 1881 1882# Only build s390-ccw bios if we're on s390x and the compiler has -march=z900 1883# or -march=z10 (which is the lowest architecture level that Clang supports) 1884if test "$cpu" = "s390x" ; then 1885 write_c_skeleton 1886 compile_prog "-march=z900" "" 1887 has_z900=$? 1888 if [ $has_z900 = 0 ] || compile_object "-march=z10 -msoft-float -Werror"; then 1889 if [ $has_z900 != 0 ]; then 1890 echo "WARNING: Your compiler does not support the z900!" 1891 echo " The s390-ccw bios will only work with guest CPUs >= z10." 1892 fi 1893 roms="$roms s390-ccw" 1894 # SLOF is required for building the s390-ccw firmware on s390x, 1895 # since it is using the libnet code from SLOF for network booting. 1896 git_submodules="${git_submodules} roms/SLOF" 1897 fi 1898fi 1899 1900# Check that the C++ compiler exists and works with the C compiler. 1901# All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added. 1902if has $cxx; then 1903 cat > $TMPC <<EOF 1904int c_function(void); 1905int main(void) { return c_function(); } 1906EOF 1907 1908 compile_object 1909 1910 cat > $TMPCXX <<EOF 1911extern "C" { 1912 int c_function(void); 1913} 1914int c_function(void) { return 42; } 1915EOF 1916 1917 update_cxxflags 1918 1919 if do_cxx $CXXFLAGS $EXTRA_CXXFLAGS $CONFIGURE_CXXFLAGS $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then 1920 # C++ compiler $cxx works ok with C compiler $cc 1921 : 1922 else 1923 echo "C++ compiler $cxx does not work with C compiler $cc" 1924 echo "Disabling C++ specific optional code" 1925 cxx= 1926 fi 1927else 1928 echo "No C++ compiler available; disabling C++ specific optional code" 1929 cxx= 1930fi 1931 1932if !(GIT="$git" "$source_path/scripts/git-submodule.sh" "$git_submodules_action" "$git_submodules"); then 1933 exit 1 1934fi 1935 1936config_host_mak="config-host.mak" 1937 1938echo "# Automatically generated by configure - do not modify" > $config_host_mak 1939echo >> $config_host_mak 1940 1941echo all: >> $config_host_mak 1942echo "GIT=$git" >> $config_host_mak 1943echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak 1944echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_host_mak 1945 1946if test "$debug_tcg" = "yes" ; then 1947 echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak 1948fi 1949if test "$mingw32" = "yes" ; then 1950 echo "CONFIG_WIN32=y" >> $config_host_mak 1951 echo "QEMU_GA_MSI_MINGW_BIN_PATH=${QEMU_GA_MSI_MINGW_BIN_PATH}" >> $config_host_mak 1952 echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak 1953 echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak 1954 echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak 1955else 1956 echo "CONFIG_POSIX=y" >> $config_host_mak 1957fi 1958 1959if test "$linux" = "yes" ; then 1960 echo "CONFIG_LINUX=y" >> $config_host_mak 1961fi 1962 1963if test "$darwin" = "yes" ; then 1964 echo "CONFIG_DARWIN=y" >> $config_host_mak 1965fi 1966 1967if test "$solaris" = "yes" ; then 1968 echo "CONFIG_SOLARIS=y" >> $config_host_mak 1969fi 1970if test "$static" = "yes" ; then 1971 echo "CONFIG_STATIC=y" >> $config_host_mak 1972fi 1973echo "SRC_PATH=$source_path" >> $config_host_mak 1974echo "TARGET_DIRS=$target_list" >> $config_host_mak 1975if test "$modules" = "yes"; then 1976 echo "CONFIG_MODULES=y" >> $config_host_mak 1977fi 1978 1979# XXX: suppress that 1980if [ "$bsd" = "yes" ] ; then 1981 echo "CONFIG_BSD=y" >> $config_host_mak 1982fi 1983 1984echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak 1985 1986if test "$have_asan_iface_fiber" = "yes" ; then 1987 echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak 1988fi 1989 1990if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then 1991 echo "CONFIG_TSAN=y" >> $config_host_mak 1992fi 1993 1994if test "$plugins" = "yes" ; then 1995 echo "CONFIG_PLUGIN=y" >> $config_host_mak 1996fi 1997 1998if test -n "$gdb_bin"; then 1999 gdb_version=$($gdb_bin --version | head -n 1) 2000 if version_ge ${gdb_version##* } 9.1; then 2001 echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak 2002 fi 2003fi 2004 2005echo "ROMS=$roms" >> $config_host_mak 2006echo "MAKE=$make" >> $config_host_mak 2007echo "PYTHON=$python" >> $config_host_mak 2008echo "GENISOIMAGE=$genisoimage" >> $config_host_mak 2009echo "MESON=$meson" >> $config_host_mak 2010echo "NINJA=$ninja" >> $config_host_mak 2011echo "CC=$cc" >> $config_host_mak 2012echo "AR=$ar" >> $config_host_mak 2013echo "AS=$as" >> $config_host_mak 2014echo "CCAS=$ccas" >> $config_host_mak 2015echo "CPP=$cpp" >> $config_host_mak 2016echo "OBJCOPY=$objcopy" >> $config_host_mak 2017echo "LD=$ld" >> $config_host_mak 2018echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak 2019echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak 2020echo "QEMU_OBJCFLAGS=$QEMU_OBJCFLAGS" >> $config_host_mak 2021echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak 2022echo "GLIB_LIBS=$glib_libs" >> $config_host_mak 2023echo "GLIB_VERSION=$(pkg-config --modversion glib-2.0)" >> $config_host_mak 2024echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak 2025echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak 2026echo "STRIP=$strip" >> $config_host_mak 2027echo "EXESUF=$EXESUF" >> $config_host_mak 2028 2029# use included Linux headers 2030if test "$linux" = "yes" ; then 2031 mkdir -p linux-headers 2032 case "$cpu" in 2033 i386|x86_64) 2034 linux_arch=x86 2035 ;; 2036 ppc|ppc64) 2037 linux_arch=powerpc 2038 ;; 2039 s390x) 2040 linux_arch=s390 2041 ;; 2042 aarch64) 2043 linux_arch=arm64 2044 ;; 2045 loongarch*) 2046 linux_arch=loongarch 2047 ;; 2048 mips64) 2049 linux_arch=mips 2050 ;; 2051 *) 2052 # For most CPUs the kernel architecture name and QEMU CPU name match. 2053 linux_arch="$cpu" 2054 ;; 2055 esac 2056 # For non-KVM architectures we will not have asm headers 2057 if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then 2058 symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm 2059 fi 2060fi 2061 2062for target in $target_list; do 2063 target_dir="$target" 2064 target_name=$(echo $target | cut -d '-' -f 1)$EXESUF 2065 mkdir -p $target_dir 2066 case $target in 2067 *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;; 2068 *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;; 2069 esac 2070done 2071 2072if test "$default_targets" = "yes"; then 2073 echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak 2074fi 2075 2076if test "$ccache_cpp2" = "yes"; then 2077 echo "export CCACHE_CPP2=y" >> $config_host_mak 2078fi 2079 2080if test "$safe_stack" = "yes"; then 2081 echo "CONFIG_SAFESTACK=y" >> $config_host_mak 2082fi 2083 2084# If we're using a separate build tree, set it up now. 2085# LINKS are things to symlink back into the source tree 2086# (these can be both files and directories). 2087# Caution: do not add files or directories here using wildcards. This 2088# will result in problems later if a new file matching the wildcard is 2089# added to the source tree -- nothing will cause configure to be rerun 2090# so the build tree will be missing the link back to the new file, and 2091# tests might fail. Prefer to keep the relevant files in their own 2092# directory and symlink the directory instead. 2093LINKS="Makefile" 2094LINKS="$LINKS tests/tcg/Makefile.target" 2095LINKS="$LINKS pc-bios/optionrom/Makefile" 2096LINKS="$LINKS pc-bios/s390-ccw/Makefile" 2097LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit 2098LINKS="$LINKS tests/avocado tests/data" 2099LINKS="$LINKS tests/qemu-iotests/check" 2100LINKS="$LINKS python" 2101LINKS="$LINKS contrib/plugins/Makefile " 2102for bios_file in \ 2103 $source_path/pc-bios/*.bin \ 2104 $source_path/pc-bios/*.elf \ 2105 $source_path/pc-bios/*.lid \ 2106 $source_path/pc-bios/*.rom \ 2107 $source_path/pc-bios/*.dtb \ 2108 $source_path/pc-bios/*.img \ 2109 $source_path/pc-bios/openbios-* \ 2110 $source_path/pc-bios/u-boot.* \ 2111 $source_path/pc-bios/palcode-* \ 2112 $source_path/pc-bios/qemu_vga.ndrv 2113 2114do 2115 LINKS="$LINKS pc-bios/$(basename $bios_file)" 2116done 2117for f in $LINKS ; do 2118 if [ -e "$source_path/$f" ]; then 2119 mkdir -p `dirname ./$f` 2120 symlink "$source_path/$f" "$f" 2121 fi 2122done 2123 2124(for i in $cross_cc_vars; do 2125 export $i 2126done 2127export target_list source_path use_containers cpu host_cc 2128$source_path/tests/tcg/configure.sh) 2129 2130config_mak=pc-bios/optionrom/config.mak 2131echo "# Automatically generated by configure - do not modify" > $config_mak 2132echo "TOPSRC_DIR=$source_path" >> $config_mak 2133 2134if test "$skip_meson" = no; then 2135 cross="config-meson.cross.new" 2136 meson_quote() { 2137 test $# = 0 && return 2138 echo "'$(echo $* | sed "s/ /','/g")'" 2139 } 2140 2141 echo "# Automatically generated by configure - do not modify" > $cross 2142 echo "[properties]" >> $cross 2143 2144 # unroll any custom device configs 2145 for a in $device_archs; do 2146 eval "c=\$devices_${a}" 2147 echo "${a}-softmmu = '$c'" >> $cross 2148 done 2149 2150 test -z "$cxx" && echo "link_language = 'c'" >> $cross 2151 echo "[built-in options]" >> $cross 2152 echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross 2153 echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross 2154 test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross 2155 echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross 2156 echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross 2157 echo "[binaries]" >> $cross 2158 echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross 2159 test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross 2160 test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross 2161 echo "ar = [$(meson_quote $ar)]" >> $cross 2162 echo "nm = [$(meson_quote $nm)]" >> $cross 2163 echo "pkgconfig = [$(meson_quote $pkg_config_exe)]" >> $cross 2164 echo "ranlib = [$(meson_quote $ranlib)]" >> $cross 2165 if has $sdl2_config; then 2166 echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross 2167 fi 2168 echo "strip = [$(meson_quote $strip)]" >> $cross 2169 echo "widl = [$(meson_quote $widl)]" >> $cross 2170 echo "windres = [$(meson_quote $windres)]" >> $cross 2171 if test "$cross_compile" = "yes"; then 2172 cross_arg="--cross-file config-meson.cross" 2173 echo "[host_machine]" >> $cross 2174 echo "system = '$targetos'" >> $cross 2175 case "$cpu" in 2176 i386) 2177 echo "cpu_family = 'x86'" >> $cross 2178 ;; 2179 *) 2180 echo "cpu_family = '$cpu'" >> $cross 2181 ;; 2182 esac 2183 echo "cpu = '$cpu'" >> $cross 2184 if test "$bigendian" = "yes" ; then 2185 echo "endian = 'big'" >> $cross 2186 else 2187 echo "endian = 'little'" >> $cross 2188 fi 2189 else 2190 cross_arg="--native-file config-meson.cross" 2191 fi 2192 mv $cross config-meson.cross 2193 2194 rm -rf meson-private meson-info meson-logs 2195 2196 # Built-in options 2197 test "$bindir" != "bin" && meson_option_add "-Dbindir=$bindir" 2198 test "$default_feature" = no && meson_option_add -Dauto_features=disabled 2199 test "$pie" = no && meson_option_add -Db_pie=false 2200 test "$werror" = yes && meson_option_add -Dwerror=true 2201 2202 # QEMU options 2203 test "$cfi" != false && meson_option_add "-Dcfi=$cfi" 2204 test "$fdt" != auto && meson_option_add "-Dfdt=$fdt" 2205 test -n "${LIB_FUZZING_ENGINE+xxx}" && meson_option_add "-Dfuzzing_engine=$LIB_FUZZING_ENGINE" 2206 test "$qemu_suffix" != qemu && meson_option_add "-Dqemu_suffix=$qemu_suffix" 2207 test "$slirp" != auto && meson_option_add "-Dslirp=$slirp" 2208 test "$smbd" != '' && meson_option_add "-Dsmbd=$smbd" 2209 test "$tcg" != enabled && meson_option_add "-Dtcg=$tcg" 2210 run_meson() { 2211 NINJA=$ninja $meson setup --prefix "$prefix" "$@" $cross_arg "$PWD" "$source_path" 2212 } 2213 eval run_meson $meson_options 2214 if test "$?" -ne 0 ; then 2215 error_exit "meson setup failed" 2216 fi 2217else 2218 if test -f meson-private/cmd_line.txt; then 2219 # Adjust old command line options whose type was changed 2220 # Avoids having to use "setup --wipe" when Meson is upgraded 2221 perl -i -ne ' 2222 s/^gettext = true$/gettext = auto/; 2223 s/^gettext = false$/gettext = disabled/; 2224 /^b_staticpic/ && next; 2225 print;' meson-private/cmd_line.txt 2226 fi 2227fi 2228 2229# Save the configure command line for later reuse. 2230cat <<EOD >config.status 2231#!/bin/sh 2232# Generated by configure. 2233# Run this file to recreate the current configuration. 2234# Compiler output produced by configure, useful for debugging 2235# configure, is in config.log if it exists. 2236EOD 2237 2238preserve_env() { 2239 envname=$1 2240 2241 eval envval=\$$envname 2242 2243 if test -n "$envval" 2244 then 2245 echo "$envname='$envval'" >> config.status 2246 echo "export $envname" >> config.status 2247 else 2248 echo "unset $envname" >> config.status 2249 fi 2250} 2251 2252# Preserve various env variables that influence what 2253# features/build target configure will detect 2254preserve_env AR 2255preserve_env AS 2256preserve_env CC 2257preserve_env CPP 2258preserve_env CFLAGS 2259preserve_env CXX 2260preserve_env CXXFLAGS 2261preserve_env INSTALL 2262preserve_env LD 2263preserve_env LDFLAGS 2264preserve_env LD_LIBRARY_PATH 2265preserve_env LIBTOOL 2266preserve_env MAKE 2267preserve_env NM 2268preserve_env OBJCOPY 2269preserve_env PATH 2270preserve_env PKG_CONFIG 2271preserve_env PKG_CONFIG_LIBDIR 2272preserve_env PKG_CONFIG_PATH 2273preserve_env PYTHON 2274preserve_env SDL2_CONFIG 2275preserve_env SMBD 2276preserve_env STRIP 2277preserve_env WIDL 2278preserve_env WINDRES 2279 2280printf "exec" >>config.status 2281for i in "$0" "$@"; do 2282 test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status 2283done 2284echo ' "$@"' >>config.status 2285chmod +x config.status 2286 2287rm -r "$TMPDIR1" 2288