]> git.proxmox.com Git - mirror_qemu.git/blame - configure
projects / mirror_qemu.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
tests/vm: Remove obsolete Fedora VM test
[mirror_qemu.git] / configure
CommitLineData
7d13299d
FB		 1#!/bin/sh
2#
3ef693a0 3# qemu configure script (c) 2003 Fabrice Bellard
7d13299d 4#
8cd05ab6 5
99519e67
CH		 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
5e4dfd3d
JS		 11# Don't allow CCACHE, if present, to use cached results of compile tests!
12export CCACHE_RECACHE=yes
13
dedad027
DB		 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
8cd05ab6
PM		 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 [ $? -ne 0 ]; then
72 echo "ERROR: failed to create temporary directory"
73 exit 1
7d13299d
FB		 74fi
75
8cd05ab6
PM		 76TMPB="qemu-conf"
77TMPC="${TMPDIR1}/${TMPB}.c"
66518bf6 78TMPO="${TMPDIR1}/${TMPB}.o"
9c83ffd8 79TMPCXX="${TMPDIR1}/${TMPB}.cxx"
4cb37d11 80TMPM="${TMPDIR1}/${TMPB}.m"
8cd05ab6 81TMPE="${TMPDIR1}/${TMPB}.exe"
7d13299d 82
da1d85e3 83rm -f config.log
9ac81bbb 84
b48e3611
PM		 85# Print a helpful header at the top of config.log
86echo "# QEMU configure log $(date)" >> config.log
979ae168
PM		 87printf "# Configured with:" >> config.log
88printf " '%s'" "$0" "$@" >> config.log
89echo >> config.log
b48e3611
PM		 90echo "#" >> config.log
91
835af899
PB		 92quote_sh() {
93 printf "%s" "$1" | sed "s,','\\\\'',g; s,.*,'&',"
94}
95
d880a3ba
PB		 96print_error() {
97 (echo
76ad07a4
PM		 98 echo "ERROR: $1"
99 while test -n "$2"; do
100 echo " $2"
101 shift
102 done
d880a3ba
PB		 103 echo) >&2
104}
105
106error_exit() {
107 print_error "$@"
76ad07a4
PM		 108 exit 1
109}
110
9c83ffd8 111do_compiler() {
cd362def
PB		 112 # Run the compiler, capturing its output to the log. First argument
113 # is compiler binary to execute.
114 local compiler="$1"
115 shift
116 if test -n "$BASH_VERSION"; then eval '
117 echo >>config.log "
118funcs: ${FUNCNAME[*]}
119lines: ${BASH_LINENO[*]}"
120 '; fi
121 echo $compiler "$@" >> config.log
122 $compiler "$@" >> config.log 2>&1 || return $?
123}
124
125do_compiler_werror() {
9c83ffd8
PM		 126 # Run the compiler, capturing its output to the log. First argument
127 # is compiler binary to execute.
630d86b7 128 compiler="$1"
9c83ffd8 129 shift
8bbe05d7
IJ		 130 if test -n "$BASH_VERSION"; then eval '
131 echo >>config.log "
132funcs: ${FUNCNAME[*]}
133lines: ${BASH_LINENO[*]}"
134 '; fi
9c83ffd8
PM		 135 echo $compiler "$@" >> config.log
136 $compiler "$@" >> config.log 2>&1 || return $?
8dc38a78
PM		 137 # Test passed. If this is an --enable-werror build, rerun
138 # the test with -Werror and bail out if it fails. This
139 # makes warning-generating-errors in configure test code
140 # obvious to developers.
141 if test "$werror" != "yes"; then
142 return 0
143 fi
144 # Don't bother rerunning the compile if we were already using -Werror
145 case "$*" in
146 *-Werror*)
147 return 0
148 ;;
149 esac
9c83ffd8
PM		 150 echo $compiler -Werror "$@" >> config.log
151 $compiler -Werror "$@" >> config.log 2>&1 && return $?
76ad07a4
PM		 152 error_exit "configure test passed without -Werror but failed with -Werror." \
153 "This is probably a bug in the configure script. The failing command" \
154 "will be at the bottom of config.log." \
155 "You can run configure with --disable-werror to bypass this check."
8dc38a78
PM		 156}
157
9c83ffd8 158do_cc() {
cd362def 159 do_compiler_werror "$cc" $CPU_CFLAGS "$@"
9c83ffd8
PM		 160}
161
162do_cxx() {
cd362def 163 do_compiler_werror "$cxx" $CPU_CFLAGS "$@"
9c83ffd8
PM		 164}
165
4cb37d11 166do_objc() {
cd362def 167 do_compiler_werror "$objcc" $CPU_CFLAGS "$@"
4cb37d11
PMD		 168}
169
00849b92
RH		 170# Append $2 to the variable named $1, with space separation
171add_to() {
172 eval $1=\${$1:+\"\$$1 \"}\$2
173}
174
9c83ffd8
PM		 175update_cxxflags() {
176 # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
177 # options which some versions of GCC's C++ compiler complain about
178 # because they only make sense for C programs.
de38c0cc 179 QEMU_CXXFLAGS="-D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS"
8a9d3d56 180 CONFIGURE_CXXFLAGS=$(echo "$CONFIGURE_CFLAGS" | sed s/-std=gnu11/-std=gnu++11/)
9c83ffd8
PM		 181 for arg in $QEMU_CFLAGS; do
182 case $arg in
183 -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
184 -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
185 ;;
186 *)
187 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
188 ;;
189 esac
190 done
191}
192
52166aa0 193compile_object() {
fd0e6053 194 local_cflags="$1"
a2866660 195 do_cc $CFLAGS $EXTRA_CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
52166aa0
JQ		 196}
197
198compile_prog() {
199 local_cflags="$1"
200 local_ldflags="$2"
a2866660
PB		 201 do_cc $CFLAGS $EXTRA_CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC \
202 $LDFLAGS $EXTRA_LDFLAGS $CONFIGURE_LDFLAGS $QEMU_LDFLAGS $local_ldflags
52166aa0
JQ		 203}
204
11568d6d
PB		 205# symbolically link $1 to $2. Portable version of "ln -sf".
206symlink() {
72b8b5a1 207 rm -rf "$2"
ec5b06d7 208 mkdir -p "$(dirname "$2")"
72b8b5a1 209 ln -s "$1" "$2"
11568d6d
PB		 210}
211
0dba6195
LM		 212# check whether a command is available to this shell (may be either an
213# executable or a builtin)
214has() {
215 type "$1" >/dev/null 2>&1
216}
217
0a01d76f 218version_ge () {
2df52b9b
AB		 219 local_ver1=$(expr "$1" : '\([0-9.]*\)' | tr . ' ')
220 local_ver2=$(echo "$2" | tr . ' ')
0a01d76f
MAL		 221 while true; do
222 set x $local_ver1
223 local_first=${2-0}
c44a33e2
SG		 224 # 'shift 2' if $2 is set, or 'shift' if $2 is not set
225 shift ${2:+2}
0a01d76f
MAL		 226 local_ver1=$*
227 set x $local_ver2
228 # the second argument finished, the first must be greater or equal
229 test $# = 1 && return 0
230 test $local_first -lt $2 && return 1
231 test $local_first -gt $2 && return 0
c44a33e2 232 shift ${2:+2}
0a01d76f
MAL		 233 local_ver2=$*
234 done
235}
236
3b6b7550
PB		 237glob() {
238 eval test -z '"${1#'"$2"'}"'
239}
240
4ace32e2
AO		 241if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
242then
243 error_exit "main directory cannot contain spaces nor colons"
244fi
245
14211825 246# default parameters
2ff6b91e 247cpu=""
43ce4dfe 248static="no"
3812c0c4 249cross_compile="no"
7d13299d 250cross_prefix=""
e49d021e 251host_cc="cc"
63678e17 252stack_protector=""
1e4f6065 253safe_stack=""
afc3a8f9 254use_containers="yes"
f2385398 255gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
ac0df51d 256
92712822
DB		 257if test -e "$source_path/.git"
258then
7d7dbf9d 259 git_submodules_action="update"
92712822 260else
7d7dbf9d 261 git_submodules_action="ignore"
92712822 262fi
2d652f24
PB		 263
264git_submodules="ui/keycodemapdb"
cc84d63a 265git="git"
ac0df51d 266
afb63ebd
SW		 267# Don't accept a target_list environment variable.
268unset target_list
447e133f 269unset target_list_exclude
377529c0
PB		 270
271# Default value for a variable defining feature "foo".
272# * foo="no" feature will only be used if --enable-foo arg is given
273# * foo="" feature will be searched for, and if found, will be used
274# unless --disable-foo is given
275# * foo="yes" this value will only be set by --enable-foo flag.
276# feature will searched for,
277# if not found, configure exits with error
278#
279# Always add --enable-foo and --disable-foo command line args.
280# Distributions want to ensure that several features are compiled in, and it
281# is impossible without a --enable-foo that exits if a feature is not found.
282
c87ea116
AB		 283default_feature=""
284# parse CC options second
285for opt do
286 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
287 case "$opt" in
288 --without-default-features)
289 default_feature="no"
290 ;;
291 esac
292done
293
a2866660
PB		 294EXTRA_CFLAGS=""
295EXTRA_CXXFLAGS=""
e910c7d9 296EXTRA_OBJCFLAGS=""
a2866660
PB		 297EXTRA_LDFLAGS=""
298
377529c0 299debug_tcg="no"
247724cb 300sanitizers="no"
0aebab04 301tsan="no"
1f3f2bfe 302fortify_source="yes"
c7328271 303EXESUF=""
17969268 304modules="no"
377529c0 305prefix="/usr/local"
10ff82d1 306qemu_suffix="qemu"
377529c0 307softmmu="yes"
b915a2f1
PB		 308linux_user=""
309bsd_user=""
40d6444e 310pie=""
519175a2 311coroutine=""
ba4dd2aa 312plugins="$default_feature"
a5665051 313meson=""
3b4da132 314meson_args=""
48328880 315ninja=""
c09c1ce7 316bindir="bin"
a5665051 317skip_meson=no
55116968 318vfio_user_server="disabled"
377529c0 319
3b4da132
PB		 320# The following Meson options are handled manually (still they
321# are included in the automatically generated help message)
322
323# 1. Track which submodules are needed
0577e84d 324if test "$default_feature" = no ; then
0577e84d
TH		 325 slirp="disabled"
326else
0577e84d
TH		 327 slirp="auto"
328fi
3b4da132 329fdt="auto"
3b4da132 330
c54b59ee 331# 2. Automatically enable/disable other options
7630156d 332tcg="auto"
3b4da132
PB		 333cfi="false"
334
c87ea116 335# parse CC options second
ac0df51d 336for opt do
89138857 337 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
ac0df51d
AL		 338 case "$opt" in
339 --cross-prefix=*) cross_prefix="$optarg"
3812c0c4 340 cross_compile="yes"
ac0df51d 341 ;;
3d8df640 342 --cc=*) CC="$optarg"
ac0df51d 343 ;;
83f73fce
TS		 344 --cxx=*) CXX="$optarg"
345 ;;
2ff6b91e
JQ		 346 --cpu=*) cpu="$optarg"
347 ;;
a2866660
PB		 348 --extra-cflags=*)
349 EXTRA_CFLAGS="$EXTRA_CFLAGS $optarg"
350 EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
e910c7d9 351 EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
a2866660
PB		 352 ;;
353 --extra-cxxflags=*) EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
11cde1c8 354 ;;
e910c7d9
PMD		 355 --extra-objcflags=*) EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
356 ;;
a2866660 357 --extra-ldflags=*) EXTRA_LDFLAGS="$EXTRA_LDFLAGS $optarg"
e2a2ed06 358 ;;
d75402b5
AB		 359 --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
360 ;;
479ca4cc 361 --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-cflags-}; cc_arch=${cc_arch%%=*}
d422b2bc
AB		 362 eval "cross_cc_cflags_${cc_arch}=\$optarg"
363 ;;
d75402b5
AB		 364 --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
365 eval "cross_cc_${cc_arch}=\$optarg"
366 ;;
5adb43be
PB		 367 --cross-prefix-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-prefix-FOO option"
368 ;;
369 --cross-prefix-*) cc_arch=${opt#--cross-prefix-}; cc_arch=${cc_arch%%=*}
370 eval "cross_prefix_${cc_arch}=\$optarg"
371 ;;
ac0df51d
AL		 372 esac
373done
ac0df51d
AL		 374# OS specific
375# Using uname is really, really broken. Once we have the right set of checks
93148aa5 376# we can eliminate its usage altogether.
ac0df51d 377
e49d021e
PM		 378# Preferred compiler:
379# ${CC} (if set)
380# ${cross_prefix}gcc (if cross-prefix specified)
381# system compiler
382if test -z "${CC}${cross_prefix}"; then
383 cc="$host_cc"
384else
385 cc="${CC-${cross_prefix}gcc}"
386fi
387
83f73fce
TS		 388if test -z "${CXX}${cross_prefix}"; then
389 cxx="c++"
390else
391 cxx="${CXX-${cross_prefix}g++}"
392fi
393
b3198cc2 394ar="${AR-${cross_prefix}ar}"
cdbd727c 395as="${AS-${cross_prefix}as}"
5f6f0e27 396ccas="${CCAS-$cc}"
b3198cc2
SY		 397objcopy="${OBJCOPY-${cross_prefix}objcopy}"
398ld="${LD-${cross_prefix}ld}"
9f81aeb5 399ranlib="${RANLIB-${cross_prefix}ranlib}"
4852ee95 400nm="${NM-${cross_prefix}nm}"
35acbb30 401smbd="$SMBD"
b3198cc2 402strip="${STRIP-${cross_prefix}strip}"
158bb224 403widl="${WIDL-${cross_prefix}widl}"
b3198cc2 404windres="${WINDRES-${cross_prefix}windres}"
17884d7b
ST		 405pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
406query_pkg_config() {
407 "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
408}
409pkg_config=query_pkg_config
47c03744 410sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
ac0df51d 411
be17dc90 412# default flags for all hosts
2d31515b
PM		 413# We use -fwrapv to tell the compiler that we require a C dialect where
414# left shift of signed integers is well defined and has the expected
415# 2s-complement style results. (Both clang and gcc agree that it
416# provides these semantics.)
de38c0cc 417QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv"
086d5f75 418QEMU_CFLAGS="-Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
c95e3080 419QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
be17dc90 420QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
5770e8af 421
de38c0cc
PB		 422QEMU_LDFLAGS=
423
5770e8af 424# Flags that are needed during configure but later taken care of by Meson
8a9d3d56 425CONFIGURE_CFLAGS="-std=gnu11 -Wall"
5770e8af 426CONFIGURE_LDFLAGS=
086d5f75 427
be17dc90 428
ac0df51d
AL		 429check_define() {
430cat > $TMPC <<EOF
431#if !defined($1)
fd786e1a 432#error $1 not defined
ac0df51d
AL		 433#endif
434int main(void) { return 0; }
435EOF
52166aa0 436 compile_object
ac0df51d
AL		 437}
438
307119e7
GH		 439check_include() {
440cat > $TMPC <<EOF
441#include <$1>
442int main(void) { return 0; }
443EOF
444 compile_object
445}
446
93b25869
JS		 447write_c_skeleton() {
448 cat > $TMPC <<EOF
449int main(void) { return 0; }
450EOF
451}
452
bbea4050 453if check_define __linux__ ; then
ba7c60c2 454 targetos=linux
bbea4050 455elif check_define _WIN32 ; then
ba7c60c2 456 targetos=windows
bbea4050 457elif check_define __OpenBSD__ ; then
ba7c60c2 458 targetos=openbsd
bbea4050 459elif check_define __sun__ ; then
ba7c60c2 460 targetos=sunos
bbea4050 461elif check_define __HAIKU__ ; then
ba7c60c2 462 targetos=haiku
951fedfc 463elif check_define __FreeBSD__ ; then
ba7c60c2 464 targetos=freebsd
951fedfc 465elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
ba7c60c2 466 targetos=gnu/kfreebsd
951fedfc 467elif check_define __DragonFly__ ; then
ba7c60c2 468 targetos=dragonfly
951fedfc 469elif check_define __NetBSD__; then
ba7c60c2 470 targetos=netbsd
951fedfc 471elif check_define __APPLE__; then
ba7c60c2 472 targetos=darwin
bbea4050 473else
951fedfc
PM		 474 # This is a fatal error, but don't report it yet, because we
475 # might be going to just print the --help text, or it might
476 # be the result of a missing compiler.
ba7c60c2 477 targetos=bogus
bbea4050
PM		 478fi
479
65eff01b
PB		 480# OS specific
481
3b0d8643
PB		 482mingw32="no"
483bsd="no"
484linux="no"
485solaris="no"
bbea4050 486case $targetos in
65eff01b
PB		 487windows)
488 mingw32="yes"
489 plugins="no"
490 pie="no"
491;;
492gnu/kfreebsd)
493 bsd="yes"
494;;
495freebsd)
496 bsd="yes"
65eff01b
PB		 497 make="${MAKE-gmake}"
498 # needed for kinfo_getvmmap(3) in libutil.h
499;;
500dragonfly)
501 bsd="yes"
502 make="${MAKE-gmake}"
503;;
504netbsd)
505 bsd="yes"
506 make="${MAKE-gmake}"
507;;
508openbsd)
509 bsd="yes"
510 make="${MAKE-gmake}"
511;;
512darwin)
513 bsd="yes"
514 darwin="yes"
515 # Disable attempts to use ObjectiveC features in os/object.h since they
516 # won't work when we're compiling with gcc as a C compiler.
517 QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
518;;
ba7c60c2 519sunos)
65eff01b
PB		 520 solaris="yes"
521 make="${MAKE-gmake}"
65eff01b
PB		 522# needed for CMSG_ macros in sys/socket.h
523 QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
524# needed for TIOCWIN* defines in termios.h
525 QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
89138857 526 # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
65eff01b
PB		 527 # Note that this check is broken for cross-compilation: if you're
528 # cross-compiling to one of these OSes then you'll need to specify
529 # the correct CPU with the --cpu option.
bbea4050
PM		 530 if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
531 cpu="x86_64"
532 fi
65eff01b
PB		 533;;
534haiku)
535 pie="no"
536 QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -D_BSD_SOURCE -fPIC $QEMU_CFLAGS"
537;;
538linux)
539 linux="yes"
65eff01b 540;;
bbea4050
PM		 541esac
542
2ff6b91e
JQ		 543if test ! -z "$cpu" ; then
544 # command line argument
545 :
546elif check_define __i386__ ; then
ac0df51d
AL		 547 cpu="i386"
548elif check_define __x86_64__ ; then
c72b26ec
RH		 549 if check_define __ILP32__ ; then
550 cpu="x32"
551 else
552 cpu="x86_64"
553 fi
3aa9bd6c 554elif check_define __sparc__ ; then
3aa9bd6c
BS		 555 if check_define __arch64__ ; then
556 cpu="sparc64"
557 else
558 cpu="sparc"
559 fi
fdf7ed96 560elif check_define _ARCH_PPC ; then
561 if check_define _ARCH_PPC64 ; then
f8378acc
RH		 562 if check_define _LITTLE_ENDIAN ; then
563 cpu="ppc64le"
564 else
565 cpu="ppc64"
566 fi
fdf7ed96 567 else
568 cpu="ppc"
569 fi
afa05235
AJ		 570elif check_define __mips__ ; then
571 cpu="mips"
d66ed0ea
AJ		 572elif check_define __s390__ ; then
573 if check_define __s390x__ ; then
574 cpu="s390x"
575 else
576 cpu="s390"
577 fi
c4f80543 578elif check_define __riscv ; then
ba0e7333 579 cpu="riscv"
21d89f84
PM		 580elif check_define __arm__ ; then
581 cpu="arm"
1f080313
CF		 582elif check_define __aarch64__ ; then
583 cpu="aarch64"
dfcf900b
WX		 584elif check_define __loongarch64 ; then
585 cpu="loongarch64"
ac0df51d 586else
89138857 587 cpu=$(uname -m)
ac0df51d
AL		 588fi
589
823eb013 590# Normalise host CPU name, set multilib cflags
359bc95d 591# Note that this case should only have supported host CPUs, not guests.
7d13299d 592case "$cpu" in
e4da0e39
PB		 593 armv*b|armv*l|arm)
594 cpu="arm" ;;
595
7d13299d 596 i386|i486|i586|i686|i86pc|BePC)
97a847bc 597 cpu="i386"
e4da0e39
PB		 598 CPU_CFLAGS="-m32" ;;
599 x32)
4da270be 600 cpu="x86_64"
e4da0e39 601 CPU_CFLAGS="-mx32" ;;
aaa5fa14
AJ		 602 x86_64|amd64)
603 cpu="x86_64"
e4da0e39
PB		 604 # ??? Only extremely old AMD cpus do not have cmpxchg16b.
605 # If we truly care, we should simply detect this case at
606 # runtime and generate the fallback to serial emulation.
607 CPU_CFLAGS="-m64 -mcx16" ;;
608
afa05235 609 mips*)
e4da0e39
PB		 610 cpu="mips" ;;
611
612 ppc)
613 CPU_CFLAGS="-m32" ;;
614 ppc64)
ced5cfff 615 CPU_CFLAGS="-m64 -mbig-endian" ;;
e4da0e39 616 ppc64le)
d8ff892d 617 cpu="ppc64"
ced5cfff 618 CPU_CFLAGS="-m64 -mlittle-endian" ;;
e4da0e39
PB		 619
620 s390)
823eb013 621 CPU_CFLAGS="-m31" ;;
e4da0e39
PB		 622 s390x)
623 CPU_CFLAGS="-m64" ;;
624
3142255c 625 sparc|sun4[cdmuv])
ae228531 626 cpu="sparc"
e4da0e39
PB		 627 CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc" ;;
628 sparc64)
629 CPU_CFLAGS="-m64 -mcpu=ultrasparc" ;;
7d13299d 630esac
e2d52ad3 631
0db4a067 632: ${make=${MAKE-make}}
b6daf4d3 633
faf44142
DB		 634# We prefer python 3.x. A bare 'python' is traditionally
635# python 2.x, but some distros have it as python 3.x, so
ddf90699 636# we check that too
faf44142 637python=
0a01d76f 638explicit_python=no
ddf90699 639for binary in "${PYTHON-python3}" python
faf44142
DB		 640do
641 if has "$binary"
642 then
95c5f2de 643 python=$(command -v "$binary")
faf44142
DB		 644 break
645 fi
646done
903458c8 647
903458c8 648
39d87c8c
AB		 649# Check for ancillary tools used in testing
650genisoimage=
3df437c7 651for binary in genisoimage mkisofs
39d87c8c
AB		 652do
653 if has $binary
654 then
655 genisoimage=$(command -v "$binary")
656 break
657 fi
658done
659
3c4a4d0d
PM		 660# Default objcc to clang if available, otherwise use CC
661if has clang; then
662 objcc=clang
663else
664 objcc="$cc"
665fi
666
3457a3f8 667if test "$mingw32" = "yes" ; then
3457a3f8 668 EXESUF=".exe"
78e9d4ad 669 # MinGW needs -mthreads for TLS and macro _MT.
5770e8af 670 CONFIGURE_CFLAGS="-mthreads $CONFIGURE_CFLAGS"
93b25869 671 write_c_skeleton;
d17f305a 672 prefix="/qemu"
c09c1ce7 673 bindir=""
77433a5f 674 qemu_suffix=""
3457a3f8
JQ		 675fi
676
487fefdb 677werror=""
85aa5189 678
8154f5e6
AO		 679meson_option_build_array() {
680 printf '['
c5cfdaba 681 (if test "$targetos" = windows; then
8154f5e6
AO		 682 IFS=\;
683 else
684 IFS=:
685 fi
686 for e in $1; do
65842b03
PM		 687 printf '"""'
688 # backslash escape any '\' and '"' characters
689 printf "%s" "$e" | sed -e 's/\([\"]\)/\\\1/g'
690 printf '""",'
8154f5e6
AO		 691 done)
692 printf ']\n'
693}
694
61d63097
PB		 695. $source_path/scripts/meson-buildoptions.sh
696
697meson_options=
c54b59ee
PB		 698meson_option_add() {
699 meson_options="$meson_options $(quote_sh "$1")"
700}
61d63097
PB		 701meson_option_parse() {
702 meson_options="$meson_options $(_meson_option_parse "$@")"
703 if test $? -eq 1; then
704 echo "ERROR: unknown option $1"
705 echo "Try '$0 --help' for more information"
706 exit 1
707 fi
708}
709
7d13299d 710for opt do
89138857 711 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
7d13299d 712 case "$opt" in
2efc3265
FB		 713 --help|-h) show_help=yes
714 ;;
99123e13
MF		 715 --version|-V) exec cat $source_path/VERSION
716 ;;
b1a550a0 717 --prefix=*) prefix="$optarg"
7d13299d 718 ;;
ac0df51d 719 --cross-prefix=*)
7d13299d 720 ;;
ac0df51d 721 --cc=*)
7d13299d 722 ;;
b1a550a0 723 --host-cc=*) host_cc="$optarg"
83469015 724 ;;
83f73fce
TS		 725 --cxx=*)
726 ;;
3c4a4d0d
PM		 727 --objcc=*) objcc="$optarg"
728 ;;
b1a550a0 729 --make=*) make="$optarg"
7d13299d 730 ;;
b6daf4d3 731 --install=*)
6a882643 732 ;;
0a01d76f 733 --python=*) python="$optarg" ; explicit_python=yes
c886edfb 734 ;;
a5665051
PB		 735 --skip-meson) skip_meson=yes
736 ;;
737 --meson=*) meson="$optarg"
738 ;;
48328880
PB		 739 --ninja=*) ninja="$optarg"
740 ;;
e2d8830e
BS		 741 --smbd=*) smbd="$optarg"
742 ;;
e2a2ed06 743 --extra-cflags=*)
7d13299d 744 ;;
11cde1c8
BD		 745 --extra-cxxflags=*)
746 ;;
e910c7d9
PMD		 747 --extra-objcflags=*)
748 ;;
e2a2ed06 749 --extra-ldflags=*)
7d13299d 750 ;;
28609749 751 --cross-cc-*)
5bc62e01 752 ;;
5adb43be
PB		 753 --cross-prefix-*)
754 ;;
c54b59ee 755 --enable-debug-info) meson_option_add -Ddebug=true
5bc62e01 756 ;;
c54b59ee 757 --disable-debug-info) meson_option_add -Ddebug=false
d75402b5 758 ;;
17969268
FZ		 759 --enable-modules)
760 modules="yes"
3aa88b31
SH		 761 ;;
762 --disable-modules)
763 modules="no"
17969268 764 ;;
2ff6b91e 765 --cpu=*)
7d13299d 766 ;;
b1a550a0 767 --target-list=*) target_list="$optarg"
447e133f
AB		 768 if test "$target_list_exclude"; then
769 error_exit "Can't mix --target-list with --target-list-exclude"
770 fi
771 ;;
772 --target-list-exclude=*) target_list_exclude="$optarg"
773 if test "$target_list"; then
774 error_exit "Can't mix --target-list-exclude with --target-list"
775 fi
de83cd02 776 ;;
c54b59ee 777 --with-default-devices) meson_option_add -Ddefault_devices=true
f3494749 778 ;;
c54b59ee 779 --without-default-devices) meson_option_add -Ddefault_devices=false
f3494749 780 ;;
d1d5e9ee
AB		 781 --with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option"
782 ;;
783 --with-devices-*) device_arch=${opt#--with-devices-};
784 device_arch=${device_arch%%=*}
785 cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak
786 if test -f "$cf"; then
787 device_archs="$device_archs $device_arch"
788 eval "devices_${device_arch}=\$optarg"
789 else
790 error_exit "File $cf does not exist"
791 fi
792 ;;
c87ea116
AB		 793 --without-default-features) # processed above
794 ;;
79427693
LM		 795 --static)
796 static="yes"
17884d7b 797 QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
43ce4dfe 798 ;;
0b24e75f
PB		 799 --bindir=*) bindir="$optarg"
800 ;;
77433a5f 801 --with-suffix=*) qemu_suffix="$optarg"
023d3d67 802 ;;
181ce1d0
OH		 803 --host=*|--build=*|\
804 --disable-dependency-tracking|\
785c23ae 805 --sbindir=*|--sharedstatedir=*|\
fe0038be 806 --oldincludedir=*|--datarootdir=*|--infodir=*|\
023ddd74
MF		 807 --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
808 # These switches are silently ignored, for compatibility with
809 # autoconf-generated configure scripts. This allows QEMU's
810 # configure to be used by RPM and similar macros that set
811 # lots of directory switches by default.
812 ;;
f8393946
AJ		 813 --enable-debug-tcg) debug_tcg="yes"
814 ;;
815 --disable-debug-tcg) debug_tcg="no"
816 ;;
f3d08ee6
PB		 817 --enable-debug)
818 # Enable debugging options that aren't excessively noisy
819 debug_tcg="yes"
c55cf6ab 820 meson_option_parse --enable-debug-mutex ""
c54b59ee 821 meson_option_add -Doptimization=0
b553a042 822 fortify_source="no"
f3d08ee6 823 ;;
247724cb
MAL		 824 --enable-sanitizers) sanitizers="yes"
825 ;;
826 --disable-sanitizers) sanitizers="no"
827 ;;
0aebab04
LY		 828 --enable-tsan) tsan="yes"
829 ;;
830 --disable-tsan) tsan="no"
831 ;;
4d34a86b 832 --disable-slirp) slirp="disabled"
1d14ffa9 833 ;;
fd6fc214
PB		 834 --enable-slirp) slirp="enabled"
835 ;;
4d34a86b 836 --enable-slirp=git) slirp="internal"
7c57bdd8 837 ;;
03a3c0b3 838 --enable-slirp=*) slirp="$optarg"
675b9b53 839 ;;
1badb709 840 --disable-tcg) tcg="disabled"
d1a14257 841 plugins="no"
b3f6ea7e 842 ;;
1badb709 843 --enable-tcg) tcg="enabled"
b3f6ea7e 844 ;;
cad25d69 845 --disable-system) softmmu="no"
0a8e90f4 846 ;;
cad25d69 847 --enable-system) softmmu="yes"
0a8e90f4 848 ;;
0953a80f
ZA		 849 --disable-user)
850 linux_user="no" ;
851 bsd_user="no" ;
0953a80f
ZA		 852 ;;
853 --enable-user) ;;
831b7825 854 --disable-linux-user) linux_user="no"
0a8e90f4 855 ;;
831b7825
TS		 856 --enable-linux-user) linux_user="yes"
857 ;;
84778508
BS		 858 --disable-bsd-user) bsd_user="no"
859 ;;
860 --enable-bsd-user) bsd_user="yes"
861 ;;
40d6444e 862 --enable-pie) pie="yes"
34005a00 863 ;;
40d6444e 864 --disable-pie) pie="no"
34005a00 865 ;;
85aa5189
FB		 866 --enable-werror) werror="yes"
867 ;;
868 --disable-werror) werror="no"
869 ;;
63678e17
SN		 870 --enable-stack-protector) stack_protector="yes"
871 ;;
872 --disable-stack-protector) stack_protector="no"
873 ;;
1e4f6065
DB		 874 --enable-safe-stack) safe_stack="yes"
875 ;;
876 --disable-safe-stack) safe_stack="no"
877 ;;
9e62ba48
DB		 878 --enable-cfi)
879 cfi="true";
c54b59ee 880 meson_option_add -Db_lto=true
9e62ba48
DB		 881 ;;
882 --disable-cfi) cfi="false"
883 ;;
fbb4121d 884 --disable-fdt) fdt="disabled"
2df87df7 885 ;;
fbb4121d
PB		 886 --enable-fdt) fdt="enabled"
887 ;;
888 --enable-fdt=git) fdt="internal"
889 ;;
03a3c0b3 890 --enable-fdt=*) fdt="$optarg"
2df87df7 891 ;;
519175a2
AB		 892 --with-coroutine=*) coroutine="$optarg"
893 ;;
1ffb3bbb 894 --disable-zlib-test)
1ece9905 895 ;;
52b53c04
FZ		 896 --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
897 echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
583f6e7b 898 ;;
cb6414df
FZ		 899 --enable-vhdx|--disable-vhdx)
900 echo "$0: $opt is obsolete, VHDX driver is always built" >&2
901 ;;
315d3184
FZ		 902 --enable-uuid|--disable-uuid)
903 echo "$0: $opt is obsolete, UUID support is always built" >&2
904 ;;
cc84d63a
DB		 905 --with-git=*) git="$optarg"
906 ;;
7d7dbf9d
DS		 907 --with-git-submodules=*)
908 git_submodules_action="$optarg"
f62bbee5 909 ;;
9b8e4298
AB		 910 --enable-plugins) if test "$mingw32" = "yes"; then
911 error_exit "TCG plugins not currently supported on Windows platforms"
912 else
913 plugins="yes"
914 fi
40e8c6f4
AB		 915 ;;
916 --disable-plugins) plugins="no"
917 ;;
afc3a8f9
AB		 918 --enable-containers) use_containers="yes"
919 ;;
920 --disable-containers) use_containers="no"
921 ;;
f48e590a
AB		 922 --gdb=*) gdb_bin="$optarg"
923 ;;
3b4da132
PB		 924 # backwards compatibility options
925 --enable-trace-backend=*) meson_option_parse "--enable-trace-backends=$optarg" "$optarg"
926 ;;
927 --disable-blobs) meson_option_parse --disable-install-blobs ""
928 ;;
55116968
JR		 929 --enable-vfio-user-server) vfio_user_server="enabled"
930 ;;
931 --disable-vfio-user-server) vfio_user_server="disabled"
932 ;;
3b4da132
PB		 933 --enable-tcmalloc) meson_option_parse --enable-malloc=tcmalloc tcmalloc
934 ;;
935 --enable-jemalloc) meson_option_parse --enable-malloc=jemalloc jemalloc
936 ;;
937 # everything else has the same name in configure and meson
4fda6011 938 --*) meson_option_parse "$opt" "$optarg"
7f1559c6 939 ;;
7d13299d
FB		 940 esac
941done
942
d1a14257
AB		 943# test for any invalid configuration combinations
944if test "$plugins" = "yes" -a "$tcg" = "disabled"; then
945 error_exit "Can't enable plugins on non-TCG builds"
946fi
947
7d7dbf9d
DS		 948case $git_submodules_action in
949 update|validate)
950 if test ! -e "$source_path/.git"; then
951 echo "ERROR: cannot $git_submodules_action git submodules without .git"
952 exit 1
953 fi
954 ;;
955 ignore)
b80fd281
PB		 956 if ! test -f "$source_path/ui/keycodemapdb/README"
957 then
958 echo
959 echo "ERROR: missing GIT submodules"
960 echo
961 if test -e "$source_path/.git"; then
962 echo "--with-git-submodules=ignore specified but submodules were not"
963 echo "checked out. Please initialize and update submodules."
964 else
965 echo "This is not a GIT checkout but module content appears to"
966 echo "be missing. Do not use 'git archive' or GitHub download links"
967 echo "to acquire QEMU source archives. Non-GIT builds are only"
968 echo "supported with source archives linked from:"
969 echo
970 echo " https://www.qemu.org/download/#source"
971 echo
972 echo "Developers working with GIT can use scripts/archive-source.sh"
973 echo "if they need to create valid source archives."
974 fi
975 echo
976 exit 1
977 fi
7d7dbf9d
DS		 978 ;;
979 *)
980 echo "ERROR: invalid --with-git-submodules= value '$git_submodules_action'"
981 exit 1
982 ;;
983esac
984
60e0df25 985default_target_list=""
6e92f823
PM		 986mak_wilds=""
987
b915a2f1
PB		 988if [ "$linux_user" != no ]; then
989 if [ "$targetos" = linux ] && [ -d $source_path/linux-user/include/host/$cpu ]; then
990 linux_user=yes
991 elif [ "$linux_user" = yes ]; then
992 error_exit "linux-user not supported on this architecture"
993 fi
994fi
995if [ "$bsd_user" != no ]; then
996 if [ "$bsd_user" = "" ]; then
997 test $targetos = freebsd && bsd_user=yes
998 fi
999 if [ "$bsd_user" = yes ] && ! [ -d $source_path/bsd-user/$targetos ]; then
1000 error_exit "bsd-user not supported on this host OS"
1001 fi
1002fi
6e92f823 1003if [ "$softmmu" = "yes" ]; then
812b31d3 1004 mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak"
60e0df25 1005fi
6e92f823 1006if [ "$linux_user" = "yes" ]; then
812b31d3 1007 mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak"
60e0df25 1008fi
6e92f823 1009if [ "$bsd_user" = "yes" ]; then
812b31d3 1010 mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak"
60e0df25
PM		 1011fi
1012
2d838d9b
AB		 1013for config in $mak_wilds; do
1014 target="$(basename "$config" .mak)"
98db9a06 1015 if echo "$target_list_exclude" | grep -vq "$target"; then
2d838d9b
AB		 1016 default_target_list="${default_target_list} $target"
1017 fi
1018done
6e92f823 1019
af5db58e
PB		 1020if test x"$show_help" = x"yes" ; then
1021cat << EOF
1022
1023Usage: configure [options]
1024Options: [defaults in brackets after descriptions]
1025
08fb77ed
SW		 1026Standard options:
1027 --help print this message
1028 --prefix=PREFIX install in PREFIX [$prefix]
74154d7e 1029 --target-list=LIST set target list (default: build all)
08fb77ed
SW		 1030$(echo Available targets: $default_target_list | \
1031 fold -s -w 53 | sed -e 's/^/ /')
447e133f 1032 --target-list-exclude=LIST exclude a set of targets from the default target-list
08fb77ed
SW		 1033
1034Advanced options (experts only):
3812c0c4 1035 --cross-prefix=PREFIX use PREFIX for compile tools, PREFIX can be blank [$cross_prefix]
08fb77ed 1036 --cc=CC use C compiler CC [$cc]
08fb77ed
SW		 1037 --host-cc=CC use C compiler CC [$host_cc] for code run at
1038 build time
1039 --cxx=CXX use C++ compiler CXX [$cxx]
1040 --objcc=OBJCC use Objective-C compiler OBJCC [$objcc]
a2866660
PB		 1041 --extra-cflags=CFLAGS append extra C compiler flags CFLAGS
1042 --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS
e910c7d9 1043 --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS
08fb77ed 1044 --extra-ldflags=LDFLAGS append extra linker flags LDFLAGS
d75402b5 1045 --cross-cc-ARCH=CC use compiler when building ARCH guest test cases
479ca4cc 1046 --cross-cc-cflags-ARCH= use compiler flags when building ARCH guest tests
5adb43be 1047 --cross-prefix-ARCH=PREFIX cross compiler prefix when building ARCH guest test cases
08fb77ed 1048 --make=MAKE use specified make [$make]
08fb77ed 1049 --python=PYTHON use specified python [$python]
a5665051 1050 --meson=MESON use specified meson [$meson]
48328880 1051 --ninja=NINJA use specified ninja [$ninja]
08fb77ed 1052 --smbd=SMBD use specified smbd [$smbd]
db1b5f13 1053 --with-git=GIT use specified git [$git]
7d7dbf9d
DS		 1054 --with-git-submodules=update update git submodules (default if .git dir exists)
1055 --with-git-submodules=validate fail if git submodules are not up to date
1056 --with-git-submodules=ignore do not update or check git submodules (default if no .git dir)
08fb77ed 1057 --static enable static build [$static]
08fb77ed 1058 --bindir=PATH install binaries in PATH
ca8c0909 1059 --with-suffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix]
c035c8d6
PB		 1060 --without-default-features default all --enable-* options to "disabled"
1061 --without-default-devices do not include any device that is not needed to
1062 start the emulator (only use if you are including
d1d5e9ee
AB		 1063 desired devices in configs/devices/)
1064 --with-devices-ARCH=NAME override default configs/devices
08fb77ed 1065 --enable-debug enable common debug build options
247724cb 1066 --enable-sanitizers enable default sanitizers
0aebab04 1067 --enable-tsan enable thread sanitizer
08fb77ed 1068 --disable-werror disable compilation abort on warning
63678e17 1069 --disable-stack-protector disable compiler-provided stack protection
c23f23b9 1070 --cpu=CPU Build for host CPU [$cpu]
08fb77ed 1071 --with-coroutine=BACKEND coroutine backend. Supported options:
33c53c54 1072 ucontext, sigaltstack, windows
40e8c6f4
AB		 1073 --enable-plugins
1074 enable plugins via shared library loading
afc3a8f9 1075 --disable-containers don't use containers for cross-building
f48e590a 1076 --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin]
61d63097
PB		 1077EOF
1078 meson_options_help
1079cat << EOF
c23f23b9
MT		 1080 system all system emulation targets
1081 user supported user emulation targets
1082 linux-user all linux usermode emulation targets
1083 bsd-user all BSD usermode emulation targets
c23f23b9 1084 pie Position Independent Executables
21e709aa 1085 modules modules support (non-Windows)
c23f23b9
MT		 1086 debug-tcg TCG debugging (default is disabled)
1087 debug-info debugging information
1e4f6065
DB		 1088 safe-stack SafeStack Stack Smash Protection. Depends on
1089 clang/llvm >= 3.7 and requires coroutine backend ucontext.
08fb77ed
SW		 1090
1091NOTE: The object files are built at the place where configure is launched
af5db58e 1092EOF
2d2ad6d0 1093exit 0
af5db58e
PB		 1094fi
1095
9c790242 1096# Remove old dependency files to make sure that they get properly regenerated
bb768f71 1097rm -f */config-devices.mak.d
9c790242 1098
faf44142
DB		 1099if test -z "$python"
1100then
1101 error_exit "Python not found. Use --python=/path/to/python"
c53eeaf7 1102fi
8e2c76bd
RB		 1103if ! has "$make"
1104then
1105 error_exit "GNU make ($make) not found"
1106fi
c53eeaf7
SH		 1107
1108# Note that if the Python conditional here evaluates True we will exit
1109# with status 1 which is a shell 'false' value.
1b11f28d
TH		 1110if ! $python -c 'import sys; sys.exit(sys.version_info < (3,6))'; then
1111 error_exit "Cannot use '$python', Python >= 3.6 is required." \
c53eeaf7
SH		 1112 "Use --python=/path/to/python to specify a supported Python."
1113fi
1114
755ee70f 1115# Preserve python version since some functionality is dependent on it
406ab2f3 1116python_version=$($python -c 'import sys; print("%d.%d.%d" % (sys.version_info[0], sys.version_info[1], sys.version_info[2]))' 2>/dev/null)
755ee70f 1117
c53eeaf7
SH		 1118# Suppress writing compiled files
1119python="$python -B"
1120
0a01d76f 1121if test -z "$meson"; then
6638cae5 1122 if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.59.3; then
0a01d76f 1123 meson=meson
7d7dbf9d 1124 elif test $git_submodules_action != 'ignore' ; then
0a01d76f
MAL		 1125 meson=git
1126 elif test -e "${source_path}/meson/meson.py" ; then
1127 meson=internal
1128 else
1129 if test "$explicit_python" = yes; then
1130 error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found."
1131 else
1132 error_exit "Meson not found. Use --meson=/path/to/meson"
1133 fi
1134 fi
1135else
1136 # Meson uses its own Python interpreter to invoke other Python scripts,
1137 # but the user wants to use the one they specified with --python.
1138 #
1139 # We do not want to override the distro Python interpreter (and sometimes
1140 # cannot: for example in Homebrew /usr/bin/meson is a bash script), so
1141 # just require --meson=git|internal together with --python.
1142 if test "$explicit_python" = yes; then
1143 case "$meson" in
1144 git | internal) ;;
1145 *) error_exit "--python requires using QEMU's embedded Meson distribution." ;;
1146 esac
1147 fi
a5665051 1148fi
a5665051 1149
0a01d76f
MAL		 1150if test "$meson" = git; then
1151 git_submodules="${git_submodules} meson"
a5665051 1152fi
0a01d76f
MAL		 1153
1154case "$meson" in
1155 git | internal)
0a01d76f
MAL		 1156 meson="$python ${source_path}/meson/meson.py"
1157 ;;
84ec0c24 1158 *) meson=$(command -v "$meson") ;;
0a01d76f
MAL		 1159esac
1160
09e93326 1161# Probe for ninja
48328880
PB		 1162
1163if test -z "$ninja"; then
1164 for c in ninja ninja-build samu; do
1165 if has $c; then
1166 ninja=$(command -v "$c")
1167 break
1168 fi
1169 done
09e93326
PB		 1170 if test -z "$ninja"; then
1171 error_exit "Cannot find Ninja"
1172 fi
48328880 1173fi
a5665051 1174
9aae6e54
DHB		 1175# Check that the C compiler works. Doing this here before testing
1176# the host CPU ensures that we had a valid CC to autodetect the
1177# $cpu var (and we should bail right here if that's not the case).
1178# It also allows the help message to be printed without a CC.
1179write_c_skeleton;
1180if compile_object ; then
1181 : C compiler works ok
1182else
1183 error_exit "\"$cc\" either does not exist or does not work"
1184fi
1185if ! compile_prog ; then
1186 error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
1187fi
1188
9c83ffd8
PM		 1189# Consult white-list to determine whether to enable werror
1190# by default. Only enable by default for git builds
9c83ffd8 1191if test -z "$werror" ; then
7d7dbf9d 1192 if test "$git_submodules_action" != "ignore" && \
e633a5c6 1193 { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
9c83ffd8
PM		 1194 werror="yes"
1195 else
1196 werror="no"
1197 fi
1198fi
1199
975ff037 1200if test "$targetos" = "bogus"; then
fb59dabd
PM		 1201 # Now that we know that we're not printing the help and that
1202 # the compiler works (so the results of the check_defines we used
1203 # to identify the OS are reliable), if we didn't recognize the
1204 # host OS we should stop now.
951fedfc 1205 error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
fb59dabd
PM		 1206fi
1207
efc6c070
TH		 1208# Check whether the compiler matches our minimum requirements:
1209cat > $TMPC << EOF
1210#if defined(__clang_major__) && defined(__clang_minor__)
1211# ifdef __apple_build_version__
2a85a08c
DB		 1212# if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0)
1213# error You need at least XCode Clang v10.0 to compile QEMU
efc6c070
TH		 1214# endif
1215# else
2a85a08c
DB		 1216# if __clang_major__ < 6 || (__clang_major__ == 6 && __clang_minor__ < 0)
1217# error You need at least Clang v6.0 to compile QEMU
efc6c070
TH		 1218# endif
1219# endif
1220#elif defined(__GNUC__) && defined(__GNUC_MINOR__)
3830df5f 1221# if __GNUC__ < 7 || (__GNUC__ == 7 && __GNUC_MINOR__ < 4)
1222# error You need at least GCC v7.4.0 to compile QEMU
efc6c070
TH		 1223# endif
1224#else
1225# error You either need GCC or Clang to compiler QEMU
1226#endif
1227int main (void) { return 0; }
1228EOF
1229if ! compile_prog "" "" ; then
3830df5f 1230 error_exit "You need at least GCC v7.4 or Clang v6.0 (or XCode Clang v10.0)"
efc6c070
TH		 1231fi
1232
00849b92
RH		 1233# Accumulate -Wfoo and -Wno-bar separately.
1234# We will list all of the enable flags first, and the disable flags second.
1235# Note that we do not add -Werror, because that would enable it for all
1236# configure tests. If a configure test failed due to -Werror this would
1237# just silently disable some features, so it's too error prone.
1238
1239warn_flags=
1240add_to warn_flags -Wold-style-declaration
1241add_to warn_flags -Wold-style-definition
1242add_to warn_flags -Wtype-limits
1243add_to warn_flags -Wformat-security
1244add_to warn_flags -Wformat-y2k
1245add_to warn_flags -Winit-self
1246add_to warn_flags -Wignored-qualifiers
1247add_to warn_flags -Wempty-body
1248add_to warn_flags -Wnested-externs
1249add_to warn_flags -Wendif-labels
1250add_to warn_flags -Wexpansion-to-defined
0a2ebce9 1251add_to warn_flags -Wimplicit-fallthrough=2
00849b92
RH		 1252
1253nowarn_flags=
1254add_to nowarn_flags -Wno-initializer-overrides
1255add_to nowarn_flags -Wno-missing-include-dirs
1256add_to nowarn_flags -Wno-shift-negative-value
1257add_to nowarn_flags -Wno-string-plus-int
1258add_to nowarn_flags -Wno-typedef-redefinition
aabab967 1259add_to nowarn_flags -Wno-tautological-type-limit-compare
bac8d222 1260add_to nowarn_flags -Wno-psabi
00849b92
RH		 1261
1262gcc_flags="$warn_flags $nowarn_flags"
93b25869
JS		 1263
1264cc_has_warning_flag() {
1265 write_c_skeleton;
1266
a1d29d6c
PM		 1267 # Use the positive sense of the flag when testing for -Wno-wombat
1268 # support (gcc will happily accept the -Wno- form of unknown
1269 # warning options).
93b25869
JS		 1270 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
1271 compile_prog "-Werror $optflag" ""
1272}
1273
4cb37d11
PMD		 1274objcc_has_warning_flag() {
1275 cat > $TMPM <<EOF
1276int main(void) { return 0; }
1277EOF
1278
1279 # Use the positive sense of the flag when testing for -Wno-wombat
1280 # support (gcc will happily accept the -Wno- form of unknown
1281 # warning options).
1282 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
1283 do_objc -Werror $optflag \
1284 $OBJCFLAGS $EXTRA_OBJCFLAGS $CONFIGURE_OBJCFLAGS $QEMU_OBJCFLAGS \
1285 -o $TMPE $TMPM $QEMU_LDFLAGS
1286}
1287
93b25869
JS		 1288for flag in $gcc_flags; do
1289 if cc_has_warning_flag $flag ; then
1290 QEMU_CFLAGS="$QEMU_CFLAGS $flag"
8d05095c 1291 fi
4cb37d11
PMD		 1292 if objcc_has_warning_flag $flag ; then
1293 QEMU_OBJCFLAGS="$QEMU_OBJCFLAGS $flag"
1294 fi
8d05095c
PB		 1295done
1296
3b463a3f 1297if test "$stack_protector" != "no"; then
fccd35a0
RR		 1298 cat > $TMPC << EOF
1299int main(int argc, char *argv[])
1300{
1301 char arr[64], *p = arr, *c = argv[0];
1302 while (*c) {
1303 *p++ = *c++;
1304 }
1305 return 0;
1306}
1307EOF
63678e17 1308 gcc_flags="-fstack-protector-strong -fstack-protector-all"
3b463a3f 1309 sp_on=0
63678e17 1310 for flag in $gcc_flags; do
590e5dd9
PM		 1311 # We need to check both a compile and a link, since some compiler
1312 # setups fail only on a .c->.o compile and some only at link time
086d5f75 1313 if compile_object "-Werror $flag" &&
590e5dd9 1314 compile_prog "-Werror $flag" ""; then
63678e17 1315 QEMU_CFLAGS="$QEMU_CFLAGS $flag"
db5adeaa 1316 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
3b463a3f 1317 sp_on=1
63678e17
SN		 1318 break
1319 fi
1320 done
3b463a3f
MR		 1321 if test "$stack_protector" = yes; then
1322 if test $sp_on = 0; then
1323 error_exit "Stack protector not supported"
1324 fi
1325 fi
37746c5e
MAL		 1326fi
1327
20bc94a2
PB		 1328# Disable -Wmissing-braces on older compilers that warn even for
1329# the "universal" C zero initializer {0}.
1330cat > $TMPC << EOF
1331struct {
1332 int a[2];
1333} x = {0};
1334EOF
1335if compile_object "-Werror" "" ; then
1336 :
1337else
1338 QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
1339fi
1340
21e709aa
MAL		 1341# Our module code doesn't support Windows
1342if test "$modules" = "yes" && test "$mingw32" = "yes" ; then
1343 error_exit "Modules are not available for Windows"
1344fi
1345
5f2453ac 1346# Static linking is not possible with plugins, modules or PIE
40d6444e 1347if test "$static" = "yes" ; then
aa0d1f44
PB		 1348 if test "$modules" = "yes" ; then
1349 error_exit "static and modules are mutually incompatible"
1350 fi
5f2453ac
AB		 1351 if test "$plugins" = "yes"; then
1352 error_exit "static and plugins are mutually incompatible"
ba4dd2aa
AB		 1353 else
1354 plugins="no"
5f2453ac 1355 fi
40d6444e 1356fi
37650689 1357test "$plugins" = "" && plugins=yes
40d6444e 1358
b2634124 1359cat > $TMPC << EOF
21d4a791
AK		 1360
1361#ifdef __linux__
1362# define THREAD __thread
1363#else
1364# define THREAD
1365#endif
21d4a791 1366static THREAD int tls_var;
21d4a791 1367int main(void) { return tls_var; }
40d6444e 1368EOF
412aeacd 1369
12781462 1370if test "$static" = "yes"; then
eca7a8e6 1371 if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
5770e8af 1372 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS"
12781462
RH		 1373 QEMU_LDFLAGS="-static-pie $QEMU_LDFLAGS"
1374 pie="yes"
1375 elif test "$pie" = "yes"; then
1376 error_exit "-static-pie not available due to missing toolchain support"
1377 else
1378 QEMU_LDFLAGS="-static $QEMU_LDFLAGS"
1379 pie="no"
1380 fi
1381elif test "$pie" = "no"; then
b9eae9ef
PB		 1382 if compile_prog "-Werror -fno-pie" "-no-pie"; then
1383 CONFIGURE_CFLAGS="-fno-pie $CONFIGURE_CFLAGS"
1384 CONFIGURE_LDFLAGS="-no-pie $CONFIGURE_LDFLAGS"
1385 fi
eca7a8e6 1386elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then
5770e8af
PB		 1387 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS"
1388 CONFIGURE_LDFLAGS="-pie $CONFIGURE_LDFLAGS"
2c674109
RH		 1389 pie="yes"
1390elif test "$pie" = "yes"; then
1391 error_exit "PIE not available due to missing toolchain support"
1392else
1393 echo "Disabling PIE due to missing toolchain support"
1394 pie="no"
40d6444e
AK		 1395fi
1396
e6cbd751
RH		 1397# Detect support for PT_GNU_RELRO + DT_BIND_NOW.
1398# The combination is known as "full relro", because .got.plt is read-only too.
1399if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
1400 QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS"
1401fi
1402
09dada40
PB		 1403##########################################
1404# __sync_fetch_and_and requires at least -march=i486. Many toolchains
1405# use i686 as default anyway, but for those that don't, an explicit
1406# specification is necessary
1407
1408if test "$cpu" = "i386"; then
1409 cat > $TMPC << EOF
1410static int sfaa(int *ptr)
1411{
1412 return __sync_fetch_and_and(ptr, 0);
1413}
1414
1415int main(void)
1416{
1417 int val = 42;
1405b629 1418 val = __sync_val_compare_and_swap(&val, 0, 1);
09dada40
PB		 1419 sfaa(&val);
1420 return val;
1421}
1422EOF
1423 if ! compile_prog "" "" ; then
1424 QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
1425 fi
1426fi
1427
afb63ebd 1428if test -z "${target_list+xxx}" ; then
fdb75aef 1429 default_targets=yes
d880a3ba 1430 for target in $default_target_list; do
fdb75aef 1431 target_list="$target_list $target"
d880a3ba
PB		 1432 done
1433 target_list="${target_list# }"
121afa9e 1434else
fdb75aef 1435 default_targets=no
89138857 1436 target_list=$(echo "$target_list" | sed -e 's/,/ /g')
d880a3ba
PB		 1437 for target in $target_list; do
1438 # Check that we recognised the target name; this allows a more
1439 # friendly error message than if we let it fall through.
1440 case " $default_target_list " in
1441 *" $target "*)
1442 ;;
1443 *)
1444 error_exit "Unknown target name '$target'"
1445 ;;
1446 esac
d880a3ba 1447 done
121afa9e 1448fi
25b48338 1449
f55fe278
PB		 1450# see if system emulation was really requested
1451case " $target_list " in
1452 *"-softmmu "*) softmmu=yes
1453 ;;
1454 *) softmmu=no
1455 ;;
1456esac
5327cf48 1457
7630156d
PMD		 1458if test "$tcg" = "auto"; then
1459 if test -z "$target_list"; then
1460 tcg="disabled"
1461 else
1462 tcg="enabled"
1463 fi
1464fi
1465
1466if test "$tcg" = "enabled"; then
1467 git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
1468 git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
1469fi
1470
7d13299d
FB		 1471# ---
1472# big/little endian test
1473cat > $TMPC << EOF
659eb157 1474#include <stdio.h>
61cc919f
MF		 1475short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
1476short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
659eb157
TH		 1477int main(int argc, char *argv[])
1478{
1479 return printf("%s %s\n", (char *)big_endian, (char *)little_endian);
7d13299d
FB		 1480}
1481EOF
1482
659eb157
TH		 1483if compile_prog ; then
1484 if strings -a $TMPE | grep -q BiGeNdIaN ; then
61cc919f 1485 bigendian="yes"
659eb157 1486 elif strings -a $TMPE | grep -q LiTtLeEnDiAn ; then
61cc919f
MF		 1487 bigendian="no"
1488 else
1489 echo big/little test failed
659eb157 1490 exit 1
21d89f84 1491 fi
61cc919f
MF		 1492else
1493 echo big/little test failed
659eb157 1494 exit 1
7d13299d
FB		 1495fi
1496
779ab5e3
SW		 1497##########################################
1498# pkg-config probe
1499
1500if ! has "$pkg_config_exe"; then
76ad07a4 1501 error_exit "pkg-config binary '$pkg_config_exe' not found"
779ab5e3
SW		 1502fi
1503
e18df141
AL		 1504##########################################
1505# glib support probe
a52d28af 1506
0ce9b08c
TH		 1507# When bumping glib_req_ver, please check also whether we should increase
1508# the _WIN32_WINNT setting in osdep.h according to the value from glib
b4c6036f 1509glib_req_ver=2.56
aa0d1f44
PB		 1510glib_modules=gthread-2.0
1511if test "$modules" = yes; then
a88afc64 1512 glib_modules="$glib_modules gmodule-export-2.0"
b906acac
PB		 1513elif test "$plugins" = "yes"; then
1514 glib_modules="$glib_modules gmodule-no-export-2.0"
54cb65d8 1515fi
e26110cf 1516
aa0d1f44 1517for i in $glib_modules; do
e26110cf 1518 if $pkg_config --atleast-version=$glib_req_ver $i; then
89138857
SW		 1519 glib_cflags=$($pkg_config --cflags $i)
1520 glib_libs=$($pkg_config --libs $i)
e26110cf
FZ		 1521 else
1522 error_exit "glib-$glib_req_ver $i is required to compile QEMU"
1523 fi
1524done
1525
5b9e7d05
MAL		 1526glib_bindir="$($pkg_config --variable=bindir glib-2.0)"
1527if test -z "$glib_bindir" ; then
1528 glib_bindir="$($pkg_config --variable=prefix glib-2.0)"/bin
1529fi
1530
215b0c2f
PB		 1531# This workaround is required due to a bug in pkg-config file for glib as it
1532# doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
1533
1534if test "$static" = yes && test "$mingw32" = yes; then
1535 glib_cflags="-DGLIB_STATIC_COMPILATION $glib_cflags"
1536fi
1537
977a82ab
DB		 1538# Sanity check that the current size_t matches the
1539# size that glib thinks it should be. This catches
1540# problems on multi-arch where people try to build
1541# 32-bit QEMU while pointing at 64-bit glib headers
1542cat > $TMPC <<EOF
1543#include <glib.h>
1544#include <unistd.h>
1545
1546#define QEMU_BUILD_BUG_ON(x) \
1547 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
1548
1549int main(void) {
1550 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
1551 return 0;
1552}
1553EOF
1554
215b0c2f 1555if ! compile_prog "$glib_cflags" "$glib_libs" ; then
977a82ab
DB		 1556 error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
1557 "You probably need to set PKG_CONFIG_LIBDIR"\
1558 "to point to the right pkg-config files for your"\
1559 "build target"
1560fi
1561
9bda600b
EB		 1562# Silence clang warnings triggered by glib < 2.57.2
1563cat > $TMPC << EOF
1564#include <glib.h>
1565typedef struct Foo {
1566 int i;
1567} Foo;
1568static void foo_free(Foo *f)
1569{
1570 g_free(f);
1571}
e0e7fe07 1572G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free)
9bda600b
EB		 1573int main(void) { return 0; }
1574EOF
1575if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
1576 if cc_has_warning_flag "-Wno-unused-function"; then
1577 glib_cflags="$glib_cflags -Wno-unused-function"
5770e8af 1578 CONFIGURE_CFLAGS="$CONFIGURE_CFLAGS -Wno-unused-function"
9bda600b
EB		 1579 fi
1580fi
1581
f652e6af
AJ		 1582##########################################
1583# fdt probe
d599938a 1584
fbb4121d
PB		 1585case "$fdt" in
1586 auto | enabled | internal)
1587 # Simpler to always update submodule, even if not needed.
2d652f24 1588 git_submodules="${git_submodules} dtc"
fbb4121d
PB		 1589 ;;
1590esac
f652e6af 1591
023367e6 1592##########################################
519175a2 1593# check and set a backend for coroutine
d0e2fce5 1594
7c2acc70 1595# We prefer ucontext, but it's not always possible. The fallback
33c53c54
DB		 1596# is sigcontext. On Windows the only valid backend is the Windows
1597# specific one.
7c2acc70
PM		 1598
1599ucontext_works=no
1600if test "$darwin" != "yes"; then
1601 cat > $TMPC << EOF
d0e2fce5 1602#include <ucontext.h>
cdf84806
PM		 1603#ifdef __stub_makecontext
1604#error Ignoring glibc stub makecontext which will always fail
1605#endif
75cafad7 1606int main(void) { makecontext(0, 0, 0); return 0; }
d0e2fce5 1607EOF
7c2acc70
PM		 1608 if compile_prog "" "" ; then
1609 ucontext_works=yes
1610 fi
1611fi
1612
1613if test "$coroutine" = ""; then
1614 if test "$mingw32" = "yes"; then
1615 coroutine=win32
1616 elif test "$ucontext_works" = "yes"; then
1617 coroutine=ucontext
1618 else
1619 coroutine=sigaltstack
d0e2fce5 1620 fi
519175a2 1621else
7c2acc70
PM		 1622 case $coroutine in
1623 windows)
1624 if test "$mingw32" != "yes"; then
1625 error_exit "'windows' coroutine backend only valid for Windows"
1626 fi
1627 # Unfortunately the user visible backend name doesn't match the
1628 # coroutine-*.c filename for this case, so we have to adjust it here.
1629 coroutine=win32
1630 ;;
1631 ucontext)
1632 if test "$ucontext_works" != "yes"; then
7cb58448 1633 error_exit "'ucontext' backend requested but makecontext not available"
7c2acc70
PM		 1634 fi
1635 ;;
33c53c54 1636 sigaltstack)
7c2acc70
PM		 1637 if test "$mingw32" = "yes"; then
1638 error_exit "only the 'windows' coroutine backend is valid for Windows"
1639 fi
1640 ;;
1641 *)
1642 error_exit "unknown coroutine backend $coroutine"
1643 ;;
1644 esac
d0e2fce5
AK		 1645fi
1646
1e4f6065
DB		 1647##################################################
1648# SafeStack
1649
1650
1651if test "$safe_stack" = "yes"; then
1652cat > $TMPC << EOF
1653int main(int argc, char *argv[])
1654{
1655#if ! __has_feature(safe_stack)
1656#error SafeStack Disabled
1657#endif
1658 return 0;
1659}
1660EOF
1661 flag="-fsanitize=safe-stack"
1662 # Check that safe-stack is supported and enabled.
1663 if compile_prog "-Werror $flag" "$flag"; then
1664 # Flag needed both at compilation and at linking
1665 QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1666 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
1667 else
1668 error_exit "SafeStack not supported by your compiler"
1669 fi
1670 if test "$coroutine" != "ucontext"; then
1671 error_exit "SafeStack is only supported by the coroutine backend ucontext"
1672 fi
1673else
1674cat > $TMPC << EOF
1675int main(int argc, char *argv[])
1676{
1677#if defined(__has_feature)
1678#if __has_feature(safe_stack)
1679#error SafeStack Enabled
1680#endif
1681#endif
1682 return 0;
1683}
1684EOF
1685if test "$safe_stack" = "no"; then
1686 # Make sure that safe-stack is disabled
1687 if ! compile_prog "-Werror" ""; then
1688 # SafeStack was already enabled, try to explicitly remove the feature
1689 flag="-fno-sanitize=safe-stack"
1690 if ! compile_prog "-Werror $flag" "$flag"; then
1691 error_exit "Configure cannot disable SafeStack"
1692 fi
1693 QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1694 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
1695 fi
1696else # "$safe_stack" = ""
1697 # Set safe_stack to yes or no based on pre-existing flags
1698 if compile_prog "-Werror" ""; then
1699 safe_stack="no"
1700 else
1701 safe_stack="yes"
1702 if test "$coroutine" != "ucontext"; then
1703 error_exit "SafeStack is only supported by the coroutine backend ucontext"
1704 fi
1705 fi
1706fi
1707fi
7d992e4d 1708
fd0e6053
JS		 1709########################################
1710# check if ccache is interfering with
1711# semantic analysis of macros
1712
5e4dfd3d 1713unset CCACHE_CPP2
fd0e6053
JS		 1714ccache_cpp2=no
1715cat > $TMPC << EOF
1716static const int Z = 1;
1717#define fn() ({ Z; })
1718#define TAUT(X) ((X) == Z)
1719#define PAREN(X, Y) (X == Y)
1720#define ID(X) (X)
1721int main(int argc, char *argv[])
1722{
1723 int x = 0, y = 0;
1724 x = ID(x);
1725 x = fn();
1726 fn();
1727 if (PAREN(x, y)) return 0;
1728 if (TAUT(Z)) return 0;
1729 return 0;
1730}
1731EOF
1732
1733if ! compile_object "-Werror"; then
1734 ccache_cpp2=yes
1735fi
1736
b553a042
JS		 1737#################################################
1738# clang does not support glibc + FORTIFY_SOURCE.
1739
1740if test "$fortify_source" != "no"; then
1741 if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
1742 fortify_source="no";
e189091f 1743 elif test -n "$cxx" && has $cxx &&
cfcc7c14 1744 echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
b553a042
JS		 1745 fortify_source="no";
1746 else
1747 fortify_source="yes"
1748 fi
1749fi
1750
247724cb
MAL		 1751##########################################
1752# checks for sanitizers
1753
247724cb
MAL		 1754have_asan=no
1755have_ubsan=no
d83414e1
MAL		 1756have_asan_iface_h=no
1757have_asan_iface_fiber=no
247724cb
MAL		 1758
1759if test "$sanitizers" = "yes" ; then
b9f44da2 1760 write_c_skeleton
247724cb
MAL		 1761 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
1762 have_asan=yes
1763 fi
b9f44da2
MAL		 1764
1765 # we could use a simple skeleton for flags checks, but this also
1766 # detect the static linking issue of ubsan, see also:
1767 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
1768 cat > $TMPC << EOF
1769#include <stdlib.h>
1770int main(void) {
1771 void *tmp = malloc(10);
f2dfe54c
LB		 1772 if (tmp != NULL) {
1773 return *(int *)(tmp + 2);
1774 }
d1abf3fc 1775 return 1;
b9f44da2
MAL		 1776}
1777EOF
247724cb
MAL		 1778 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
1779 have_ubsan=yes
1780 fi
d83414e1
MAL		 1781
1782 if check_include "sanitizer/asan_interface.h" ; then
1783 have_asan_iface_h=yes
1784 fi
1785
1786 cat > $TMPC << EOF
1787#include <sanitizer/asan_interface.h>
1788int main(void) {
1789 __sanitizer_start_switch_fiber(0, 0, 0);
1790 return 0;
1791}
1792EOF
1793 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
1794 have_asan_iface_fiber=yes
1795 fi
247724cb
MAL		 1796fi
1797
0aebab04
LY		 1798# Thread sanitizer is, for now, much noisier than the other sanitizers;
1799# keep it separate until that is not the case.
1800if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then
1801 error_exit "TSAN is not supported with other sanitiziers."
1802fi
1803have_tsan=no
1804have_tsan_iface_fiber=no
1805if test "$tsan" = "yes" ; then
1806 write_c_skeleton
1807 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
1808 have_tsan=yes
1809 fi
1810 cat > $TMPC << EOF
1811#include <sanitizer/tsan_interface.h>
1812int main(void) {
1813 __tsan_create_fiber(0);
1814 return 0;
1815}
1816EOF
1817 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
1818 have_tsan_iface_fiber=yes
1819 fi
1820fi
1821
675b9b53
MAL		 1822##########################################
1823# check for slirp
1824
1825case "$slirp" in
4d34a86b
PB		 1826 auto | enabled | internal)
1827 # Simpler to always update submodule, even if not needed.
2d652f24 1828 git_submodules="${git_submodules} slirp"
675b9b53
MAL		 1829 ;;
1830esac
1831
cd362def
PB		 1832##########################################
1833# functions to probe cross compilers
1834
1835container="no"
1836if test $use_containers = "yes"; then
1837 if has "docker" || has "podman"; then
1838 container=$($python $source_path/tests/docker/docker.py probe)
1839 fi
1840fi
1841
1842# cross compilers defaults, can be overridden with --cross-cc-ARCH
5adb43be
PB		 1843: ${cross_prefix_aarch64="aarch64-linux-gnu-"}
1844: ${cross_prefix_aarch64_be="$cross_prefix_aarch64"}
1845: ${cross_prefix_alpha="alpha-linux-gnu-"}
1846: ${cross_prefix_arm="arm-linux-gnueabihf-"}
1847: ${cross_prefix_armeb="$cross_prefix_arm"}
1848: ${cross_prefix_hexagon="hexagon-unknown-linux-musl-"}
34bb43b0 1849: ${cross_prefix_loongarch64="loongarch64-unknown-linux-gnu-"}
5adb43be
PB		 1850: ${cross_prefix_hppa="hppa-linux-gnu-"}
1851: ${cross_prefix_i386="i686-linux-gnu-"}
1852: ${cross_prefix_m68k="m68k-linux-gnu-"}
1853: ${cross_prefix_microblaze="microblaze-linux-musl-"}
1854: ${cross_prefix_mips64el="mips64el-linux-gnuabi64-"}
1855: ${cross_prefix_mips64="mips64-linux-gnuabi64-"}
1856: ${cross_prefix_mipsel="mipsel-linux-gnu-"}
1857: ${cross_prefix_mips="mips-linux-gnu-"}
1858: ${cross_prefix_nios2="nios2-linux-gnu-"}
1859: ${cross_prefix_ppc="powerpc-linux-gnu-"}
1860: ${cross_prefix_ppc64="powerpc64-linux-gnu-"}
1861: ${cross_prefix_ppc64le="$cross_prefix_ppc64"}
1862: ${cross_prefix_riscv64="riscv64-linux-gnu-"}
1863: ${cross_prefix_s390x="s390x-linux-gnu-"}
1864: ${cross_prefix_sh4="sh4-linux-gnu-"}
1865: ${cross_prefix_sparc64="sparc64-linux-gnu-"}
1866: ${cross_prefix_sparc="$cross_prefix_sparc64"}
1867: ${cross_prefix_x86_64="x86_64-linux-gnu-"}
1868
cd362def
PB		 1869: ${cross_cc_aarch64_be="$cross_cc_aarch64"}
1870: ${cross_cc_cflags_aarch64_be="-mbig-endian"}
46af66ed 1871: ${cross_cc_armeb="$cross_cc_arm"}
cd362def
PB		 1872: ${cross_cc_cflags_armeb="-mbig-endian"}
1873: ${cross_cc_hexagon="hexagon-unknown-linux-musl-clang"}
1874: ${cross_cc_cflags_hexagon="-mv67 -O2 -static"}
cd362def 1875: ${cross_cc_cflags_i386="-m32"}
d44f2f96 1876: ${cross_cc_cflags_ppc="-m32 -mbig-endian"}
cd362def
PB		 1877: ${cross_cc_cflags_ppc64="-m64 -mbig-endian"}
1878: ${cross_cc_ppc64le="$cross_cc_ppc64"}
1879: ${cross_cc_cflags_ppc64le="-m64 -mlittle-endian"}
cd362def 1880: ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"}
46af66ed
PB		 1881: ${cross_cc_sparc="$cross_cc_sparc64"}
1882: ${cross_cc_cflags_sparc="-m32 -mcpu=supersparc"}
cd362def
PB		 1883: ${cross_cc_cflags_x86_64="-m64"}
1884
5adb43be 1885compute_target_variable() {
92e288fc 1886 eval "$2="
5adb43be
PB		 1887 if eval test -n "\"\${cross_prefix_$1}\""; then
1888 if eval has "\"\${cross_prefix_$1}\$3\""; then
1889 eval "$2=\"\${cross_prefix_$1}\$3\""
1890 fi
1891 fi
1892}
cd362def 1893
52f08dea
PB		 1894# probe_target_compiler TARGET
1895#
1896# Look for a compiler for the given target, either native or cross.
1897# Set variables target_* if a compiler is found, and container_cross_*
1898# if a Docker-based cross-compiler image is known for the target.
1899# Set got_cross_cc to yes/no depending on whether a non-container-based
1900# compiler was found.
1901#
1902# If TARGET is a user-mode emulation target, also set build_static to
1903# "y" if static linking is possible.
1904#
cd362def
PB		 1905probe_target_compiler() {
1906 # reset all output variables
92e288fc 1907 got_cross_cc=no
cd362def
PB		 1908 container_image=
1909 container_hosts=
1910 container_cross_cc=
87eb014c 1911 container_cross_ar=
cd362def
PB		 1912 container_cross_as=
1913 container_cross_ld=
87eb014c
PB		 1914 container_cross_nm=
1915 container_cross_objcopy=
1916 container_cross_ranlib=
1917 container_cross_strip=
cd362def 1918
52f08dea
PB		 1919 target_arch=${1%%-*}
1920 case $target_arch in
cd362def
PB		 1921 aarch64) container_hosts="x86_64 aarch64" ;;
1922 alpha) container_hosts=x86_64 ;;
1923 arm) container_hosts="x86_64 aarch64" ;;
1924 cris) container_hosts=x86_64 ;;
1925 hexagon) container_hosts=x86_64 ;;
1926 hppa) container_hosts=x86_64 ;;
1927 i386) container_hosts=x86_64 ;;
b70ec50b 1928 loongarch64) container_hosts=x86_64 ;;
cd362def
PB		 1929 m68k) container_hosts=x86_64 ;;
1930 microblaze) container_hosts=x86_64 ;;
1931 mips64el) container_hosts=x86_64 ;;
1932 mips64) container_hosts=x86_64 ;;
1933 mipsel) container_hosts=x86_64 ;;
1934 mips) container_hosts=x86_64 ;;
1935 nios2) container_hosts=x86_64 ;;
1936 ppc) container_hosts=x86_64 ;;
1937 ppc64|ppc64le) container_hosts=x86_64 ;;
1938 riscv64) container_hosts=x86_64 ;;
1939 s390x) container_hosts=x86_64 ;;
1940 sh4) container_hosts=x86_64 ;;
1941 sparc64) container_hosts=x86_64 ;;
1942 tricore) container_hosts=x86_64 ;;
1943 x86_64) container_hosts="aarch64 ppc64el x86_64" ;;
1944 xtensa*) container_hosts=x86_64 ;;
1945 esac
1946
1947 for host in $container_hosts; do
1948 test "$container" != no || continue
1949 test "$host" = "$cpu" || continue
52f08dea 1950 case $target_arch in
cd362def
PB		 1951 aarch64)
1952 # We don't have any bigendian build tools so we only use this for AArch64
1953 container_image=debian-arm64-cross
5adb43be
PB		 1954 container_cross_prefix=aarch64-linux-gnu-
1955 container_cross_cc=${container_cross_prefix}gcc-10
cd362def
PB		 1956 ;;
1957 alpha)
1958 container_image=debian-alpha-cross
5adb43be 1959 container_cross_prefix=alpha-linux-gnu-
cd362def
PB		 1960 ;;
1961 arm)
1962 # We don't have any bigendian build tools so we only use this for ARM
1963 container_image=debian-armhf-cross
5adb43be 1964 container_cross_prefix=arm-linux-gnueabihf-
cd362def
PB		 1965 ;;
1966 cris)
1967 container_image=fedora-cris-cross
5adb43be 1968 container_cross_prefix=cris-linux-gnu-
cd362def
PB		 1969 ;;
1970 hexagon)
1971 container_image=debian-hexagon-cross
5adb43be
PB		 1972 container_cross_prefix=hexagon-unknown-linux-musl-
1973 container_cross_cc=${container_cross_prefix}clang
cd362def
PB		 1974 ;;
1975 hppa)
1976 container_image=debian-hppa-cross
5adb43be 1977 container_cross_prefix=hppa-linux-gnu-
cd362def
PB		 1978 ;;
1979 i386)
1980 container_image=fedora-i386-cross
5adb43be 1981 container_cross_prefix=
cd362def 1982 ;;
b70ec50b
RH		 1983 loongarch64)
1984 container_image=debian-loongarch-cross
1985 container_cross_prefix=loongarch64-unknown-linux-gnu-
1986 ;;
cd362def
PB		 1987 m68k)
1988 container_image=debian-m68k-cross
5adb43be 1989 container_cross_prefix=m68k-linux-gnu-
cd362def
PB		 1990 ;;
1991 microblaze)
1992 container_image=debian-microblaze-cross
5adb43be 1993 container_cross_prefix=microblaze-linux-musl-
cd362def
PB		 1994 ;;
1995 mips64el)
1996 container_image=debian-mips64el-cross
5adb43be 1997 container_cross_prefix=mips64el-linux-gnuabi64-
cd362def
PB		 1998 ;;
1999 mips64)
2000 container_image=debian-mips64-cross
5adb43be 2001 container_cross_prefix=mips64-linux-gnuabi64-
cd362def
PB		 2002 ;;
2003 mipsel)
2004 container_image=debian-mipsel-cross
5adb43be 2005 container_cross_prefix=mipsel-linux-gnu-
cd362def
PB		 2006 ;;
2007 mips)
2008 container_image=debian-mips-cross
5adb43be 2009 container_cross_prefix=mips-linux-gnu-
cd362def
PB		 2010 ;;
2011 nios2)
2012 container_image=debian-nios2-cross
5adb43be 2013 container_cross_prefix=nios2-linux-gnu-
cd362def
PB		 2014 ;;
2015 ppc)
2016 container_image=debian-powerpc-test-cross
5adb43be
PB		 2017 container_cross_prefix=powerpc-linux-gnu-
2018 container_cross_cc=${container_cross_prefix}gcc-10
cd362def
PB		 2019 ;;
2020 ppc64|ppc64le)
2021 container_image=debian-powerpc-test-cross
705c881f 2022 container_cross_prefix=powerpc${target_arch#ppc}-linux-gnu-
5adb43be 2023 container_cross_cc=${container_cross_prefix}gcc-10
cd362def
PB		 2024 ;;
2025 riscv64)
2026 container_image=debian-riscv64-test-cross
5adb43be 2027 container_cross_prefix=riscv64-linux-gnu-
cd362def
PB		 2028 ;;
2029 s390x)
2030 container_image=debian-s390x-cross
5adb43be 2031 container_cross_prefix=s390x-linux-gnu-
cd362def
PB		 2032 ;;
2033 sh4)
2034 container_image=debian-sh4-cross
5adb43be 2035 container_cross_prefix=sh4-linux-gnu-
cd362def
PB		 2036 ;;
2037 sparc64)
2038 container_image=debian-sparc64-cross
5adb43be 2039 container_cross_prefix=sparc64-linux-gnu-
cd362def
PB		 2040 ;;
2041 tricore)
2042 container_image=debian-tricore-cross
5adb43be 2043 container_cross_prefix=tricore-
cd362def
PB		 2044 container_cross_as=tricore-as
2045 container_cross_ld=tricore-ld
5adb43be 2046 break
cd362def
PB		 2047 ;;
2048 x86_64)
2049 container_image=debian-amd64-cross
5adb43be 2050 container_cross_prefix=x86_64-linux-gnu-
cd362def
PB		 2051 ;;
2052 xtensa*)
cd362def
PB		 2053 container_hosts=x86_64
2054 container_image=debian-xtensa-cross
2055
2056 # default to the dc232b cpu
5adb43be 2057 container_cross_prefix=/opt/2020.07/xtensa-dc232b-elf/bin/xtensa-dc232b-elf-
cd362def
PB		 2058 ;;
2059 esac
5adb43be 2060 : ${container_cross_cc:=${container_cross_prefix}gcc}
87eb014c 2061 : ${container_cross_ar:=${container_cross_prefix}ar}
5adb43be
PB		 2062 : ${container_cross_as:=${container_cross_prefix}as}
2063 : ${container_cross_ld:=${container_cross_prefix}ld}
87eb014c
PB		 2064 : ${container_cross_nm:=${container_cross_prefix}nm}
2065 : ${container_cross_objcopy:=${container_cross_prefix}objcopy}
2066 : ${container_cross_ranlib:=${container_cross_prefix}ranlib}
2067 : ${container_cross_strip:=${container_cross_prefix}strip}
cd362def
PB		 2068 done
2069
92e288fc
PB		 2070 local t try
2071 try=cross
52f08dea 2072 case "$target_arch:$cpu" in
26e72533
PB		 2073 aarch64_be:aarch64 | \
2074 armeb:arm | \
640aabc8 2075 i386:x86_64 | \
26e72533 2076 mips*:mips64 | \
d44f2f96 2077 ppc*:ppc64 | \
26e72533 2078 sparc:sparc64 | \
640aabc8 2079 "$cpu:$cpu")
92e288fc 2080 try='native cross' ;;
640aabc8 2081 esac
92e288fc
PB		 2082 eval "target_cflags=\${cross_cc_cflags_$target_arch}"
2083 for t in $try; do
2084 case $t in
2085 native)
2086 target_cc=$cc
2087 target_ccas=$ccas
2088 target_ar=$ar
2089 target_as=$as
2090 target_ld=$ld
2091 target_nm=$nm
2092 target_objcopy=$objcopy
2093 target_ranlib=$ranlib
2094 target_strip=$strip
2095 ;;
2096 cross)
2097 target_cc=
2098 if eval test -n "\"\${cross_cc_$target_arch}\""; then
2099 if eval has "\"\${cross_cc_$target_arch}\""; then
2100 eval "target_cc=\"\${cross_cc_$target_arch}\""
2101 fi
2102 else
2103 compute_target_variable $target_arch target_cc gcc
2104 fi
2105 target_ccas=$target_cc
2106 compute_target_variable $target_arch target_ar ar
2107 compute_target_variable $target_arch target_as as
2108 compute_target_variable $target_arch target_ld ld
2109 compute_target_variable $target_arch target_nm nm
2110 compute_target_variable $target_arch target_objcopy objcopy
2111 compute_target_variable $target_arch target_ranlib ranlib
2112 compute_target_variable $target_arch target_strip strip
2113 ;;
2114 esac
2115
2116 if test -n "$target_cc"; then
2117 case $target_arch in
2118 i386|x86_64)
2119 if $target_cc --version | grep -qi "clang"; then
2120 continue
2121 fi
2122 ;;
2123 esac
2124 elif test -n "$target_as" && test -n "$target_ld"; then
2125 # Special handling for assembler only targets
2126 case $target in
2127 tricore-softmmu)
2128 build_static=
2129 got_cross_cc=yes
2130 break
2131 ;;
2132 *)
2133 continue
2134 ;;
2135 esac
2136 else
2137 continue
2138 fi
2139
2140 write_c_skeleton
2141 case $1 in
2142 *-softmmu)
2143 if do_compiler "$target_cc" $target_cflags -o $TMPO -c $TMPC &&
2144 do_compiler "$target_cc" $target_cflags -r -nostdlib -o "${TMPDIR1}/${TMPB}2.o" "$TMPO" -lgcc; then
2145 got_cross_cc=yes
2146 break
2147 fi
2148 ;;
2149 *)
2150 if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC -static ; then
2151 build_static=y
2152 got_cross_cc=yes
2153 break
2154 fi
2155 if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC ; then
2156 build_static=
2157 got_cross_cc=yes
2158 break
2ad60f6f
PB		 2159 fi
2160 ;;
2161 esac
92e288fc
PB		 2162 done
2163 if test $got_cross_cc != yes; then
2164 build_static=
2165 target_cc=
2166 target_ccas=
92e288fc
PB		 2167 target_ar=
2168 target_as=
2169 target_ld=
2170 target_nm=
2171 target_objcopy=
2172 target_ranlib=
2173 target_strip=
2ad60f6f 2174 fi
cd362def
PB		 2175}
2176
2177write_target_makefile() {
e81785ab 2178 echo "EXTRA_CFLAGS=$target_cflags"
cd362def
PB		 2179 if test -n "$target_cc"; then
2180 echo "CC=$target_cc"
87eb014c
PB		 2181 echo "CCAS=$target_ccas"
2182 fi
2183 if test -n "$target_ar"; then
2184 echo "AR=$target_ar"
cd362def
PB		 2185 fi
2186 if test -n "$target_as"; then
2187 echo "AS=$target_as"
2188 fi
2189 if test -n "$target_ld"; then
2190 echo "LD=$target_ld"
2191 fi
87eb014c
PB		 2192 if test -n "$target_nm"; then
2193 echo "NM=$target_nm"
2194 fi
2195 if test -n "$target_objcopy"; then
2196 echo "OBJCOPY=$target_objcopy"
2197 fi
2198 if test -n "$target_ranlib"; then
2199 echo "RANLIB=$target_ranlib"
2200 fi
2201 if test -n "$target_strip"; then
2202 echo "STRIP=$target_strip"
2203 fi
cd362def
PB		 2204}
2205
2206write_container_target_makefile() {
e81785ab 2207 echo "EXTRA_CFLAGS=$target_cflags"
cd362def
PB		 2208 if test -n "$container_cross_cc"; then
2209 echo "CC=\$(DOCKER_SCRIPT) cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
87eb014c 2210 echo "CCAS=\$(DOCKER_SCRIPT) cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
cd362def 2211 fi
87eb014c 2212 echo "AR=\$(DOCKER_SCRIPT) cc --cc $container_cross_ar -i qemu/$container_image -s $source_path --"
5adb43be
PB		 2213 echo "AS=\$(DOCKER_SCRIPT) cc --cc $container_cross_as -i qemu/$container_image -s $source_path --"
2214 echo "LD=\$(DOCKER_SCRIPT) cc --cc $container_cross_ld -i qemu/$container_image -s $source_path --"
87eb014c
PB		 2215 echo "NM=\$(DOCKER_SCRIPT) cc --cc $container_cross_nm -i qemu/$container_image -s $source_path --"
2216 echo "OBJCOPY=\$(DOCKER_SCRIPT) cc --cc $container_cross_objcopy -i qemu/$container_image -s $source_path --"
2217 echo "RANLIB=\$(DOCKER_SCRIPT) cc --cc $container_cross_ranlib -i qemu/$container_image -s $source_path --"
2218 echo "STRIP=\$(DOCKER_SCRIPT) cc --cc $container_cross_strip -i qemu/$container_image -s $source_path --"
cd362def
PB		 2219}
2220
2221
2222
55116968
JR		 2223##########################################
2224# check for vfio_user_server
2225
2226case "$vfio_user_server" in
2227 enabled )
2228 if test "$git_submodules_action" != "ignore"; then
2229 git_submodules="${git_submodules} subprojects/libvfio-user"
2230 fi
2231 ;;
2232esac
2233
7e24e92a 2234##########################################
e86ecd4b
JQ		 2235# End of CC checks
2236# After here, no more $cc or $ld runs
2237
d83414e1
MAL		 2238write_c_skeleton
2239
df42fa7d 2240if test "$fortify_source" = "yes" ; then
086d5f75 2241 QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS"
086d5f75 2242fi
086d5f75 2243
247724cb 2244if test "$have_asan" = "yes"; then
db5adeaa
PB		 2245 QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS"
2246 QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS"
d83414e1
MAL		 2247 if test "$have_asan_iface_h" = "no" ; then
2248 echo "ASAN build enabled, but ASAN header missing." \
2249 "Without code annotation, the report may be inferior."
2250 elif test "$have_asan_iface_fiber" = "no" ; then
2251 echo "ASAN build enabled, but ASAN header is too old." \
2252 "Without code annotation, the report may be inferior."
2253 fi
247724cb 2254fi
0aebab04
LY		 2255if test "$have_tsan" = "yes" ; then
2256 if test "$have_tsan_iface_fiber" = "yes" ; then
2257 QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS"
2258 QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS"
2259 else
2260 error_exit "Cannot enable TSAN due to missing fiber annotation interface."
2261 fi
2262elif test "$tsan" = "yes" ; then
2263 error_exit "Cannot enable TSAN due to missing sanitize thread interface."
2264fi
247724cb 2265if test "$have_ubsan" = "yes"; then
db5adeaa
PB		 2266 QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS"
2267 QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS"
247724cb
MAL		 2268fi
2269
3efac6eb 2270##########################################
3efac6eb 2271
0aebab04
LY		 2272# Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
2273if test "$solaris" = "no" && test "$tsan" = "no"; then
e86ecd4b 2274 if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
db5adeaa 2275 QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS"
e86ecd4b
JQ		 2276 fi
2277fi
2278
b846ab7c 2279# Guest agent Windows MSI package
9d6bc27b 2280
b846ab7c
PB		 2281if test "$QEMU_GA_MANUFACTURER" = ""; then
2282 QEMU_GA_MANUFACTURER=QEMU
9d6bc27b 2283fi
b846ab7c
PB		 2284if test "$QEMU_GA_DISTRO" = ""; then
2285 QEMU_GA_DISTRO=Linux
9d6bc27b 2286fi
b846ab7c
PB		 2287if test "$QEMU_GA_VERSION" = ""; then
2288 QEMU_GA_VERSION=$(cat $source_path/VERSION)
2289fi
2290
33ab4787
PB		 2291
2292#######################################
2293# cross-compiled firmware targets
2294
ad388845
PB		 2295# Set up build tree symlinks that point back into the source tree
2296# (these can be both files and directories).
2297# Caution: avoid adding files or directories here using wildcards. This
2298# will result in problems later if a new file matching the wildcard is
2299# added to the source tree -- nothing will cause configure to be rerun
2300# so the build tree will be missing the link back to the new file, and
2301# tests might fail. Prefer to keep the relevant files in their own
2302# directory and symlink the directory instead.
2303LINKS="Makefile"
2304LINKS="$LINKS tests/tcg/Makefile.target"
2305LINKS="$LINKS pc-bios/optionrom/Makefile"
2306LINKS="$LINKS pc-bios/s390-ccw/Makefile"
d695918f 2307LINKS="$LINKS pc-bios/vof/Makefile"
ad388845
PB		 2308LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
2309LINKS="$LINKS tests/avocado tests/data"
2310LINKS="$LINKS tests/qemu-iotests/check"
2311LINKS="$LINKS python"
2312LINKS="$LINKS contrib/plugins/Makefile "
2313for f in $LINKS ; do
2314 if [ -e "$source_path/$f" ]; then
2315 mkdir -p `dirname ./$f`
2316 symlink "$source_path/$f" "$f"
2317 fi
2318done
2319
ca35f780
PB		 2320# Mac OS X ships with a broken assembler
2321roms=
52f08dea 2322probe_target_compiler i386-softmmu
33ab4787 2323if test -n "$target_cc" &&
ba7c60c2
PB		 2324 test "$targetos" != "darwin" && test "$targetos" != "sunos" && \
2325 test "$targetos" != "haiku" && test "$softmmu" = yes ; then
e57218b6 2326 # Different host OS linkers have different ideas about the name of the ELF
c65d5e4e
BS		 2327 # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
2328 # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
2329 for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
d466d416 2330 if "$target_ld" -verbose 2>&1 | grep -q "^[[:space:]]*${emu}[[:space:]]*$"; then
e57218b6 2331 ld_i386_emulation="$emu"
e57218b6
PM		 2332 break
2333 fi
2334 done
33ab4787 2335 if test -n "$ld_i386_emulation"; then
76ca98b0 2336 roms="pc-bios/optionrom"
33ab4787
PB		 2337 config_mak=pc-bios/optionrom/config.mak
2338 echo "# Automatically generated by configure - do not modify" > $config_mak
2339 echo "TOPSRC_DIR=$source_path" >> $config_mak
2340 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_mak
2341 write_target_makefile >> $config_mak
2342 fi
ca35f780 2343fi
ca35f780 2344
52f08dea 2345probe_target_compiler ppc-softmmu
d695918f 2346if test -n "$target_cc" && test "$softmmu" = yes; then
76ca98b0 2347 roms="$roms pc-bios/vof"
d695918f
PB		 2348 config_mak=pc-bios/vof/config.mak
2349 echo "# Automatically generated by configure - do not modify" > $config_mak
2350 echo "SRC_DIR=$source_path/pc-bios/vof" >> $config_mak
2351 write_target_makefile >> $config_mak
2352fi
2353
9ffed426
PB		 2354# Only build s390-ccw bios if the compiler has -march=z900 or -march=z10
2355# (which is the lowest architecture level that Clang supports)
52f08dea 2356probe_target_compiler s390x-softmmu
9ffed426 2357if test -n "$target_cc" && test "$softmmu" = yes; then
2e33c3f8 2358 write_c_skeleton
9ffed426 2359 do_compiler "$target_cc" $target_cc_cflags -march=z900 -o $TMPO -c $TMPC
a5b2afd5 2360 has_z900=$?
9ffed426 2361 if [ $has_z900 = 0 ] || do_compiler "$target_cc" $target_cc_cflags -march=z10 -msoft-float -Werror -o $TMPO -c $TMPC; then
a5b2afd5
TH		 2362 if [ $has_z900 != 0 ]; then
2363 echo "WARNING: Your compiler does not support the z900!"
2364 echo " The s390-ccw bios will only work with guest CPUs >= z10."
2365 fi
76ca98b0 2366 roms="$roms pc-bios/s390-ccw"
9ffed426
PB		 2367 config_mak=pc-bios/s390-ccw/config-host.mak
2368 echo "# Automatically generated by configure - do not modify" > $config_mak
2369 echo "SRC_PATH=$source_path/pc-bios/s390-ccw" >> $config_mak
2370 write_target_makefile >> $config_mak
1ef6bfc2
PMD		 2371 # SLOF is required for building the s390-ccw firmware on s390x,
2372 # since it is using the libnet code from SLOF for network booting.
2d652f24 2373 git_submodules="${git_submodules} roms/SLOF"
2e33c3f8 2374 fi
9933c305
CB		 2375fi
2376
9ffed426
PB		 2377#######################################
2378# generate config-host.mak
2379
11cde1c8
BD		 2380# Check that the C++ compiler exists and works with the C compiler.
2381# All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
2382if has $cxx; then
2383 cat > $TMPC <<EOF
2384int c_function(void);
2385int main(void) { return c_function(); }
2386EOF
2387
2388 compile_object
2389
2390 cat > $TMPCXX <<EOF
2391extern "C" {
2392 int c_function(void);
2393}
2394int c_function(void) { return 42; }
2395EOF
2396
2397 update_cxxflags
2398
a2866660 2399 if do_cxx $CXXFLAGS $EXTRA_CXXFLAGS $CONFIGURE_CXXFLAGS $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then
11cde1c8
BD		 2400 # C++ compiler $cxx works ok with C compiler $cc
2401 :
2402 else
2403 echo "C++ compiler $cxx does not work with C compiler $cc"
2404 echo "Disabling C++ specific optional code"
2405 cxx=
2406 fi
2407else
2408 echo "No C++ compiler available; disabling C++ specific optional code"
2409 cxx=
2410fi
2411
35a7a6fc 2412if ! (GIT="$git" "$source_path/scripts/git-submodule.sh" "$git_submodules_action" "$git_submodules"); then
7d7dbf9d 2413 exit 1
5d91a2ed 2414fi
5d91a2ed 2415
98ec69ac 2416config_host_mak="config-host.mak"
98ec69ac 2417
98ec69ac 2418echo "# Automatically generated by configure - do not modify" > $config_host_mak
98ec69ac 2419echo >> $config_host_mak
98ec69ac 2420
e6c3b0f7 2421echo all: >> $config_host_mak
cc84d63a 2422echo "GIT=$git" >> $config_host_mak
aef45d51 2423echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
7d7dbf9d 2424echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_host_mak
804edf29 2425
f8393946 2426if test "$debug_tcg" = "yes" ; then
2358a494 2427 echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
f8393946 2428fi
67b915a5 2429if test "$mingw32" = "yes" ; then
98ec69ac 2430 echo "CONFIG_WIN32=y" >> $config_host_mak
b846ab7c
PB		 2431 echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
2432 echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
2433 echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
210fa556 2434else
35f4df27 2435 echo "CONFIG_POSIX=y" >> $config_host_mak
dffcb71c
MM		 2436fi
2437
2438if test "$linux" = "yes" ; then
2439 echo "CONFIG_LINUX=y" >> $config_host_mak
67b915a5 2440fi
128ab2ff 2441
83fb7adf 2442if test "$darwin" = "yes" ; then
98ec69ac 2443 echo "CONFIG_DARWIN=y" >> $config_host_mak
83fb7adf 2444fi
b29fe3ed 2445
ec530c81 2446if test "$solaris" = "yes" ; then
98ec69ac 2447 echo "CONFIG_SOLARIS=y" >> $config_host_mak
ec530c81 2448fi
97a847bc 2449if test "$static" = "yes" ; then
98ec69ac 2450 echo "CONFIG_STATIC=y" >> $config_host_mak
7d13299d 2451fi
98ec69ac 2452echo "SRC_PATH=$source_path" >> $config_host_mak
2b1f35b9 2453echo "TARGET_DIRS=$target_list" >> $config_host_mak
17969268
FZ		 2454if test "$modules" = "yes"; then
2455 echo "CONFIG_MODULES=y" >> $config_host_mak
2456fi
277abf15 2457
83fb7adf 2458# XXX: suppress that
7d3505c5 2459if [ "$bsd" = "yes" ] ; then
2358a494 2460 echo "CONFIG_BSD=y" >> $config_host_mak
7d3505c5
FB		 2461fi
2462
7c2acc70 2463echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
7d992e4d 2464
d83414e1
MAL		 2465if test "$have_asan_iface_fiber" = "yes" ; then
2466 echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
2467fi
2468
0aebab04
LY		 2469if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then
2470 echo "CONFIG_TSAN=y" >> $config_host_mak
2471fi
2472
40e8c6f4
AB		 2473if test "$plugins" = "yes" ; then
2474 echo "CONFIG_PLUGIN=y" >> $config_host_mak
40e8c6f4
AB		 2475fi
2476
b1863ccc
AB		 2477if test -n "$gdb_bin"; then
2478 gdb_version=$($gdb_bin --version | head -n 1)
d6a66c81 2479 if version_ge ${gdb_version##* } 9.1; then
b1863ccc
AB		 2480 echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
2481 fi
f48e590a
AB		 2482fi
2483
98ec69ac 2484echo "ROMS=$roms" >> $config_host_mak
804edf29 2485echo "MAKE=$make" >> $config_host_mak
c886edfb 2486echo "PYTHON=$python" >> $config_host_mak
39d87c8c 2487echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
a5665051 2488echo "MESON=$meson" >> $config_host_mak
09e93326 2489echo "NINJA=$ninja" >> $config_host_mak
804edf29 2490echo "CC=$cc" >> $config_host_mak
a558ee17 2491echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
11cde1c8 2492echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
4cb37d11 2493echo "QEMU_OBJCFLAGS=$QEMU_OBJCFLAGS" >> $config_host_mak
a81df1b6
PB		 2494echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
2495echo "GLIB_LIBS=$glib_libs" >> $config_host_mak
5b9e7d05 2496echo "GLIB_BINDIR=$glib_bindir" >> $config_host_mak
d83acfd0 2497echo "GLIB_VERSION=$(pkg-config --modversion glib-2.0)" >> $config_host_mak
8a99e9a3 2498echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
804edf29 2499echo "EXESUF=$EXESUF" >> $config_host_mak
804edf29 2500
6efd7517
PM		 2501# use included Linux headers
2502if test "$linux" = "yes" ; then
a307beb6 2503 mkdir -p linux-headers
6efd7517 2504 case "$cpu" in
4da270be 2505 i386|x86_64)
08312a63 2506 linux_arch=x86
6efd7517 2507 ;;
d8ff892d 2508 ppc|ppc64)
08312a63 2509 linux_arch=powerpc
6efd7517
PM		 2510 ;;
2511 s390x)
08312a63
PM		 2512 linux_arch=s390
2513 ;;
1f080313
CF		 2514 aarch64)
2515 linux_arch=arm64
2516 ;;
dfcf900b
WX		 2517 loongarch*)
2518 linux_arch=loongarch
2519 ;;
222e7d11
SL		 2520 mips64)
2521 linux_arch=mips
2522 ;;
08312a63
PM		 2523 *)
2524 # For most CPUs the kernel architecture name and QEMU CPU name match.
2525 linux_arch="$cpu"
6efd7517
PM		 2526 ;;
2527 esac
08312a63
PM		 2528 # For non-KVM architectures we will not have asm headers
2529 if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
2530 symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
2531 fi
6efd7517
PM		 2532fi
2533
1d14ffa9 2534for target in $target_list; do
fdb75aef 2535 target_dir="$target"
57a93f16 2536 target_name=$(echo $target | cut -d '-' -f 1)$EXESUF
fdb75aef
PB		 2537 mkdir -p $target_dir
2538 case $target in
2539 *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;;
2540 *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;;
2541 esac
2542done
7d13299d 2543
fdb75aef
PB		 2544if test "$default_targets" = "yes"; then
2545 echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak
2546fi
a540f158 2547
fd0e6053
JS		 2548if test "$ccache_cpp2" = "yes"; then
2549 echo "export CCACHE_CPP2=y" >> $config_host_mak
2550fi
2551
1e4f6065
DB		 2552if test "$safe_stack" = "yes"; then
2553 echo "CONFIG_SAFESTACK=y" >> $config_host_mak
2554fi
2555
cd362def
PB		 2556# tests/tcg configuration
2557(makefile=tests/tcg/Makefile.prereqs
2558echo "# Automatically generated by configure - do not modify" > $makefile
2559
2560config_host_mak=tests/tcg/config-host.mak
2561echo "# Automatically generated by configure - do not modify" > $config_host_mak
2562echo "SRC_PATH=$source_path" >> $config_host_mak
2563echo "HOST_CC=$host_cc" >> $config_host_mak
2564
2565tcg_tests_targets=
2566for target in $target_list; do
2567 arch=${target%%-*}
2568
cd362def
PB		 2569 config_target_mak=tests/tcg/config-$target.mak
2570
2571 echo "# Automatically generated by configure - do not modify" > $config_target_mak
2572 echo "TARGET_NAME=$arch" >> $config_target_mak
2573 case $target in
c48a5c47
PB		 2574 xtensa*-linux-user)
2575 # the toolchain is not complete with headers, only build softmmu tests
2576 continue
2577 ;;
cd362def
PB		 2578 *-softmmu)
2579 test -f $source_path/tests/tcg/$arch/Makefile.softmmu-target || continue
2580 qemu="qemu-system-$arch"
2581 ;;
2582 *-linux-user|*-bsd-user)
2583 qemu="qemu-$arch"
2584 ;;
2585 esac
2586
52f08dea 2587 probe_target_compiler $target
cd362def
PB		 2588 if test $got_cross_cc = yes; then
2589 # Test for compiler features for optional tests. We only do this
2590 # for cross compilers because ensuring the docker containers based
2591 # compilers is a requirememt for adding a new test that needs a
2592 # compiler feature.
2593
2594 echo "BUILD_STATIC=$build_static" >> $config_target_mak
2595 write_target_makefile >> $config_target_mak
2596 case $target in
2597 aarch64-*)
2598 if do_compiler "$target_cc" $target_cflags \
2599 -march=armv8.1-a+sve -o $TMPE $TMPC; then
2600 echo "CROSS_CC_HAS_SVE=y" >> $config_target_mak
2601 fi
2602 if do_compiler "$target_cc" $target_cflags \
2603 -march=armv8.1-a+sve2 -o $TMPE $TMPC; then
2604 echo "CROSS_CC_HAS_SVE2=y" >> $config_target_mak
2605 fi
2606 if do_compiler "$target_cc" $target_cflags \
2607 -march=armv8.3-a -o $TMPE $TMPC; then
2608 echo "CROSS_CC_HAS_ARMV8_3=y" >> $config_target_mak
2609 fi
2610 if do_compiler "$target_cc" $target_cflags \
2611 -mbranch-protection=standard -o $TMPE $TMPC; then
2612 echo "CROSS_CC_HAS_ARMV8_BTI=y" >> $config_target_mak
2613 fi
2614 if do_compiler "$target_cc" $target_cflags \
2615 -march=armv8.5-a+memtag -o $TMPE $TMPC; then
2616 echo "CROSS_CC_HAS_ARMV8_MTE=y" >> $config_target_mak
2617 fi
2618 ;;
2619 ppc*)
2620 if do_compiler "$target_cc" $target_cflags \
2621 -mpower8-vector -o $TMPE $TMPC; then
2622 echo "CROSS_CC_HAS_POWER8_VECTOR=y" >> $config_target_mak
2623 fi
2624 if do_compiler "$target_cc" $target_cflags \
2625 -mpower10 -o $TMPE $TMPC; then
2626 echo "CROSS_CC_HAS_POWER10=y" >> $config_target_mak
2627 fi
2628 ;;
2629 i386-linux-user)
2630 if do_compiler "$target_cc" $target_cflags \
2631 -Werror -fno-pie -o $TMPE $TMPC; then
2632 echo "CROSS_CC_HAS_I386_NOPIE=y" >> $config_target_mak
2633 fi
2634 ;;
2635 esac
2636 elif test -n "$container_image"; then
2637 echo "build-tcg-tests-$target: docker-image-$container_image" >> $makefile
2638 echo "BUILD_STATIC=y" >> $config_target_mak
2639 write_container_target_makefile >> $config_target_mak
2640 case $target in
2641 aarch64-*)
2642 echo "CROSS_CC_HAS_SVE=y" >> $config_target_mak
2643 echo "CROSS_CC_HAS_SVE2=y" >> $config_target_mak
2644 echo "CROSS_CC_HAS_ARMV8_3=y" >> $config_target_mak
2645 echo "CROSS_CC_HAS_ARMV8_BTI=y" >> $config_target_mak
2646 echo "CROSS_CC_HAS_ARMV8_MTE=y" >> $config_target_mak
2647 ;;
2648 ppc*)
2649 echo "CROSS_CC_HAS_POWER8_VECTOR=y" >> $config_target_mak
2650 echo "CROSS_CC_HAS_POWER10=y" >> $config_target_mak
2651 ;;
2652 i386-linux-user)
2653 echo "CROSS_CC_HAS_I386_NOPIE=y" >> $config_target_mak
2654 ;;
2655 esac
2656 got_cross_cc=yes
2657 fi
2658 if test $got_cross_cc = yes; then
2659 mkdir -p tests/tcg/$target
2660 echo "QEMU=$PWD/$qemu" >> $config_target_mak
cd362def
PB		 2661 echo "run-tcg-tests-$target: $qemu\$(EXESUF)" >> $makefile
2662 tcg_tests_targets="$tcg_tests_targets $target"
2663 fi
2038f8c8 2664done
cd362def 2665echo "TCG_TESTS_TARGETS=$tcg_tests_targets" >> $makefile)
2038f8c8 2666
a5665051 2667if test "$skip_meson" = no; then
d77e90fa
PB		 2668 cross="config-meson.cross.new"
2669 meson_quote() {
ac7ebcc5 2670 test $# = 0 && return
47b30835 2671 echo "'$(echo $* | sed "s/ /','/g")'"
d77e90fa
PB		 2672 }
2673
2674 echo "# Automatically generated by configure - do not modify" > $cross
2675 echo "[properties]" >> $cross
d1d5e9ee
AB		 2676
2677 # unroll any custom device configs
11bdcfcd
AB		 2678 for a in $device_archs; do
2679 eval "c=\$devices_${a}"
2680 echo "${a}-softmmu = '$c'" >> $cross
2681 done
d1d5e9ee 2682
d77e90fa
PB		 2683 test -z "$cxx" && echo "link_language = 'c'" >> $cross
2684 echo "[built-in options]" >> $cross
a2866660
PB		 2685 echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross
2686 echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross
e910c7d9 2687 test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross
a2866660
PB		 2688 echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross
2689 echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross
d77e90fa 2690 echo "[binaries]" >> $cross
4dba2789
PB		 2691 echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross
2692 test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross
2693 test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross
d77e90fa
PB		 2694 echo "ar = [$(meson_quote $ar)]" >> $cross
2695 echo "nm = [$(meson_quote $nm)]" >> $cross
2696 echo "pkgconfig = [$(meson_quote $pkg_config_exe)]" >> $cross
2697 echo "ranlib = [$(meson_quote $ranlib)]" >> $cross
2698 if has $sdl2_config; then
2699 echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross
2700 fi
2701 echo "strip = [$(meson_quote $strip)]" >> $cross
158bb224 2702 echo "widl = [$(meson_quote $widl)]" >> $cross
d77e90fa
PB		 2703 echo "windres = [$(meson_quote $windres)]" >> $cross
2704 if test "$cross_compile" = "yes"; then
fc929892 2705 cross_arg="--cross-file config-meson.cross"
fc929892 2706 echo "[host_machine]" >> $cross
ba7c60c2 2707 echo "system = '$targetos'" >> $cross
823eb013 2708 case "$cpu" in
f6bca9df 2709 i386)
fc929892
MAL		 2710 echo "cpu_family = 'x86'" >> $cross
2711 ;;
fc929892 2712 *)
823eb013 2713 echo "cpu_family = '$cpu'" >> $cross
fc929892
MAL		 2714 ;;
2715 esac
2716 echo "cpu = '$cpu'" >> $cross
2717 if test "$bigendian" = "yes" ; then
2718 echo "endian = 'big'" >> $cross
2719 else
2720 echo "endian = 'little'" >> $cross
2721 fi
d77e90fa 2722 else
fc929892 2723 cross_arg="--native-file config-meson.cross"
d77e90fa
PB		 2724 fi
2725 mv $cross config-meson.cross
fc929892 2726
d77e90fa 2727 rm -rf meson-private meson-info meson-logs
0a31e3a0
PB		 2728
2729 # Built-in options
2730 test "$bindir" != "bin" && meson_option_add "-Dbindir=$bindir"
2731 test "$default_feature" = no && meson_option_add -Dauto_features=disabled
2732 test "$pie" = no && meson_option_add -Db_pie=false
2733 test "$werror" = yes && meson_option_add -Dwerror=true
2734
2735 # QEMU options
0a31e3a0
PB		 2736 test "$cfi" != false && meson_option_add "-Dcfi=$cfi"
2737 test "$fdt" != auto && meson_option_add "-Dfdt=$fdt"
2738 test -n "${LIB_FUZZING_ENGINE+xxx}" && meson_option_add "-Dfuzzing_engine=$LIB_FUZZING_ENGINE"
2739 test "$qemu_suffix" != qemu && meson_option_add "-Dqemu_suffix=$qemu_suffix"
2740 test "$slirp" != auto && meson_option_add "-Dslirp=$slirp"
2741 test "$smbd" != '' && meson_option_add "-Dsmbd=$smbd"
2742 test "$tcg" != enabled && meson_option_add "-Dtcg=$tcg"
55116968 2743 test "$vfio_user_server" != auto && meson_option_add "-Dvfio_user_server=$vfio_user_server"
61d63097 2744 run_meson() {
0a31e3a0 2745 NINJA=$ninja $meson setup --prefix "$prefix" "$@" $cross_arg "$PWD" "$source_path"
61d63097
PB		 2746 }
2747 eval run_meson $meson_options
d77e90fa
PB		 2748 if test "$?" -ne 0 ; then
2749 error_exit "meson setup failed"
2750 fi
699d3884
PB		 2751else
2752 if test -f meson-private/cmd_line.txt; then
2753 # Adjust old command line options whose type was changed
2754 # Avoids having to use "setup --wipe" when Meson is upgraded
2755 perl -i -ne '
2756 s/^gettext = true$/gettext = auto/;
2757 s/^gettext = false$/gettext = disabled/;
654d6b04 2758 /^b_staticpic/ && next;
699d3884
PB		 2759 print;' meson-private/cmd_line.txt
2760 fi
a5665051
PB		 2761fi
2762
dc655404
MT		 2763# Save the configure command line for later reuse.
2764cat <<EOD >config.status
2765#!/bin/sh
2766# Generated by configure.
2767# Run this file to recreate the current configuration.
2768# Compiler output produced by configure, useful for debugging
2769# configure, is in config.log if it exists.
2770EOD
e811da7f
DB		 2771
2772preserve_env() {
2773 envname=$1
2774
2775 eval envval=\$$envname
2776
2777 if test -n "$envval"
2778 then
2779 echo "$envname='$envval'" >> config.status
2780 echo "export $envname" >> config.status
2781 else
2782 echo "unset $envname" >> config.status
2783 fi
2784}
2785
2786# Preserve various env variables that influence what
2787# features/build target configure will detect
2788preserve_env AR
2789preserve_env AS
2790preserve_env CC
8009da03 2791preserve_env CFLAGS
e811da7f 2792preserve_env CXX
8009da03 2793preserve_env CXXFLAGS
e811da7f 2794preserve_env LD
8009da03 2795preserve_env LDFLAGS
e811da7f 2796preserve_env LD_LIBRARY_PATH
e811da7f
DB		 2797preserve_env MAKE
2798preserve_env NM
b5569e5b 2799preserve_env OBJCFLAGS
e811da7f
DB		 2800preserve_env OBJCOPY
2801preserve_env PATH
2802preserve_env PKG_CONFIG
2803preserve_env PKG_CONFIG_LIBDIR
2804preserve_env PKG_CONFIG_PATH
2805preserve_env PYTHON
e811da7f
DB		 2806preserve_env SDL2_CONFIG
2807preserve_env SMBD
2808preserve_env STRIP
158bb224 2809preserve_env WIDL
e811da7f
DB		 2810preserve_env WINDRES
2811
dc655404 2812printf "exec" >>config.status
a5665051 2813for i in "$0" "$@"; do
835af899 2814 test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status
a5665051 2815done
cf7cc929 2816echo ' "$@"' >>config.status
dc655404
MT		 2817chmod +x config.status
2818
8cd05ab6 2819rm -r "$TMPDIR1"
QEMU mirror