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configure: Remove use of backtick `...` syntax
[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
64708615 60 exec "$source_path/configure" "$@"
dedad027
DB		 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=""
48328880 314ninja=""
c09c1ce7 315bindir="bin"
a5665051 316skip_meson=no
55116968 317vfio_user_server="disabled"
377529c0 318
3b4da132
PB		 319# The following Meson options are handled manually (still they
320# are included in the automatically generated help message)
321
322# 1. Track which submodules are needed
0577e84d 323if test "$default_feature" = no ; then
0577e84d
TH		 324 slirp="disabled"
325else
0577e84d
TH		 326 slirp="auto"
327fi
3b4da132 328fdt="auto"
3b4da132 329
c54b59ee 330# 2. Automatically enable/disable other options
7630156d 331tcg="auto"
3b4da132
PB		 332cfi="false"
333
c87ea116 334# parse CC options second
ac0df51d 335for opt do
89138857 336 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
ac0df51d
AL		 337 case "$opt" in
338 --cross-prefix=*) cross_prefix="$optarg"
3812c0c4 339 cross_compile="yes"
ac0df51d 340 ;;
3d8df640 341 --cc=*) CC="$optarg"
ac0df51d 342 ;;
83f73fce
TS		 343 --cxx=*) CXX="$optarg"
344 ;;
2ff6b91e
JQ		 345 --cpu=*) cpu="$optarg"
346 ;;
a2866660
PB		 347 --extra-cflags=*)
348 EXTRA_CFLAGS="$EXTRA_CFLAGS $optarg"
349 EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
e910c7d9 350 EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
a2866660
PB		 351 ;;
352 --extra-cxxflags=*) EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
11cde1c8 353 ;;
e910c7d9
PMD		 354 --extra-objcflags=*) EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
355 ;;
a2866660 356 --extra-ldflags=*) EXTRA_LDFLAGS="$EXTRA_LDFLAGS $optarg"
e2a2ed06 357 ;;
d75402b5
AB		 358 --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
359 ;;
479ca4cc 360 --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-cflags-}; cc_arch=${cc_arch%%=*}
d422b2bc
AB		 361 eval "cross_cc_cflags_${cc_arch}=\$optarg"
362 ;;
d75402b5
AB		 363 --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
364 eval "cross_cc_${cc_arch}=\$optarg"
365 ;;
5adb43be
PB		 366 --cross-prefix-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-prefix-FOO option"
367 ;;
368 --cross-prefix-*) cc_arch=${opt#--cross-prefix-}; cc_arch=${cc_arch%%=*}
369 eval "cross_prefix_${cc_arch}=\$optarg"
370 ;;
ac0df51d
AL		 371 esac
372done
ac0df51d
AL		 373# OS specific
374# Using uname is really, really broken. Once we have the right set of checks
93148aa5 375# we can eliminate its usage altogether.
ac0df51d 376
e49d021e
PM		 377# Preferred compiler:
378# ${CC} (if set)
379# ${cross_prefix}gcc (if cross-prefix specified)
380# system compiler
381if test -z "${CC}${cross_prefix}"; then
382 cc="$host_cc"
383else
384 cc="${CC-${cross_prefix}gcc}"
385fi
386
83f73fce
TS		 387if test -z "${CXX}${cross_prefix}"; then
388 cxx="c++"
389else
390 cxx="${CXX-${cross_prefix}g++}"
391fi
392
b3198cc2 393ar="${AR-${cross_prefix}ar}"
cdbd727c 394as="${AS-${cross_prefix}as}"
5f6f0e27 395ccas="${CCAS-$cc}"
b3198cc2
SY		 396objcopy="${OBJCOPY-${cross_prefix}objcopy}"
397ld="${LD-${cross_prefix}ld}"
9f81aeb5 398ranlib="${RANLIB-${cross_prefix}ranlib}"
4852ee95 399nm="${NM-${cross_prefix}nm}"
35acbb30 400smbd="$SMBD"
b3198cc2 401strip="${STRIP-${cross_prefix}strip}"
158bb224 402widl="${WIDL-${cross_prefix}widl}"
b3198cc2 403windres="${WINDRES-${cross_prefix}windres}"
17884d7b
ST		 404pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
405query_pkg_config() {
406 "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
407}
408pkg_config=query_pkg_config
47c03744 409sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
ac0df51d 410
be17dc90 411# default flags for all hosts
2d31515b
PM		 412# We use -fwrapv to tell the compiler that we require a C dialect where
413# left shift of signed integers is well defined and has the expected
414# 2s-complement style results. (Both clang and gcc agree that it
415# provides these semantics.)
de38c0cc 416QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv"
086d5f75 417QEMU_CFLAGS="-Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
c95e3080 418QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
be17dc90 419QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
5770e8af 420
de38c0cc
PB		 421QEMU_LDFLAGS=
422
5770e8af 423# Flags that are needed during configure but later taken care of by Meson
8a9d3d56 424CONFIGURE_CFLAGS="-std=gnu11 -Wall"
5770e8af 425CONFIGURE_LDFLAGS=
086d5f75 426
be17dc90 427
ac0df51d
AL		 428check_define() {
429cat > $TMPC <<EOF
430#if !defined($1)
fd786e1a 431#error $1 not defined
ac0df51d
AL		 432#endif
433int main(void) { return 0; }
434EOF
52166aa0 435 compile_object
ac0df51d
AL		 436}
437
307119e7
GH		 438check_include() {
439cat > $TMPC <<EOF
440#include <$1>
441int main(void) { return 0; }
442EOF
443 compile_object
444}
445
93b25869
JS		 446write_c_skeleton() {
447 cat > $TMPC <<EOF
448int main(void) { return 0; }
449EOF
450}
451
bbea4050 452if check_define __linux__ ; then
ba7c60c2 453 targetos=linux
bbea4050 454elif check_define _WIN32 ; then
ba7c60c2 455 targetos=windows
bbea4050 456elif check_define __OpenBSD__ ; then
ba7c60c2 457 targetos=openbsd
bbea4050 458elif check_define __sun__ ; then
ba7c60c2 459 targetos=sunos
bbea4050 460elif check_define __HAIKU__ ; then
ba7c60c2 461 targetos=haiku
951fedfc 462elif check_define __FreeBSD__ ; then
ba7c60c2 463 targetos=freebsd
951fedfc 464elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
ba7c60c2 465 targetos=gnu/kfreebsd
951fedfc 466elif check_define __DragonFly__ ; then
ba7c60c2 467 targetos=dragonfly
951fedfc 468elif check_define __NetBSD__; then
ba7c60c2 469 targetos=netbsd
951fedfc 470elif check_define __APPLE__; then
ba7c60c2 471 targetos=darwin
bbea4050 472else
951fedfc
PM		 473 # This is a fatal error, but don't report it yet, because we
474 # might be going to just print the --help text, or it might
475 # be the result of a missing compiler.
ba7c60c2 476 targetos=bogus
bbea4050
PM		 477fi
478
65eff01b
PB		 479# OS specific
480
3b0d8643
PB		 481mingw32="no"
482bsd="no"
483linux="no"
484solaris="no"
bbea4050 485case $targetos in
65eff01b
PB		 486windows)
487 mingw32="yes"
488 plugins="no"
489 pie="no"
490;;
491gnu/kfreebsd)
492 bsd="yes"
493;;
494freebsd)
495 bsd="yes"
65eff01b
PB		 496 make="${MAKE-gmake}"
497 # needed for kinfo_getvmmap(3) in libutil.h
498;;
499dragonfly)
500 bsd="yes"
501 make="${MAKE-gmake}"
502;;
503netbsd)
504 bsd="yes"
505 make="${MAKE-gmake}"
506;;
507openbsd)
508 bsd="yes"
509 make="${MAKE-gmake}"
510;;
511darwin)
512 bsd="yes"
513 darwin="yes"
514 # Disable attempts to use ObjectiveC features in os/object.h since they
515 # won't work when we're compiling with gcc as a C compiler.
516 QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
517;;
ba7c60c2 518sunos)
65eff01b
PB		 519 solaris="yes"
520 make="${MAKE-gmake}"
65eff01b
PB		 521# needed for CMSG_ macros in sys/socket.h
522 QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
523# needed for TIOCWIN* defines in termios.h
524 QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
89138857 525 # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
65eff01b
PB		 526 # Note that this check is broken for cross-compilation: if you're
527 # cross-compiling to one of these OSes then you'll need to specify
528 # the correct CPU with the --cpu option.
bbea4050
PM		 529 if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
530 cpu="x86_64"
531 fi
65eff01b
PB		 532;;
533haiku)
534 pie="no"
535 QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -D_BSD_SOURCE -fPIC $QEMU_CFLAGS"
536;;
537linux)
538 linux="yes"
65eff01b 539;;
bbea4050
PM		 540esac
541
2ff6b91e
JQ		 542if test ! -z "$cpu" ; then
543 # command line argument
544 :
545elif check_define __i386__ ; then
ac0df51d
AL		 546 cpu="i386"
547elif check_define __x86_64__ ; then
c72b26ec
RH		 548 if check_define __ILP32__ ; then
549 cpu="x32"
550 else
551 cpu="x86_64"
552 fi
3aa9bd6c 553elif check_define __sparc__ ; then
3aa9bd6c
BS		 554 if check_define __arch64__ ; then
555 cpu="sparc64"
556 else
557 cpu="sparc"
558 fi
fdf7ed96 559elif check_define _ARCH_PPC ; then
560 if check_define _ARCH_PPC64 ; then
f8378acc
RH		 561 if check_define _LITTLE_ENDIAN ; then
562 cpu="ppc64le"
563 else
564 cpu="ppc64"
565 fi
fdf7ed96 566 else
567 cpu="ppc"
568 fi
afa05235
AJ		 569elif check_define __mips__ ; then
570 cpu="mips"
d66ed0ea
AJ		 571elif check_define __s390__ ; then
572 if check_define __s390x__ ; then
573 cpu="s390x"
574 else
575 cpu="s390"
576 fi
c4f80543 577elif check_define __riscv ; then
ba0e7333 578 cpu="riscv"
21d89f84
PM		 579elif check_define __arm__ ; then
580 cpu="arm"
1f080313
CF		 581elif check_define __aarch64__ ; then
582 cpu="aarch64"
dfcf900b
WX		 583elif check_define __loongarch64 ; then
584 cpu="loongarch64"
ac0df51d 585else
89138857 586 cpu=$(uname -m)
ac0df51d
AL		 587fi
588
823eb013 589# Normalise host CPU name, set multilib cflags
359bc95d 590# Note that this case should only have supported host CPUs, not guests.
7d13299d 591case "$cpu" in
e4da0e39
PB		 592 armv*b|armv*l|arm)
593 cpu="arm" ;;
594
7d13299d 595 i386|i486|i586|i686|i86pc|BePC)
97a847bc 596 cpu="i386"
e4da0e39
PB		 597 CPU_CFLAGS="-m32" ;;
598 x32)
4da270be 599 cpu="x86_64"
e4da0e39 600 CPU_CFLAGS="-mx32" ;;
aaa5fa14
AJ		 601 x86_64|amd64)
602 cpu="x86_64"
e4da0e39
PB		 603 # ??? Only extremely old AMD cpus do not have cmpxchg16b.
604 # If we truly care, we should simply detect this case at
605 # runtime and generate the fallback to serial emulation.
606 CPU_CFLAGS="-m64 -mcx16" ;;
607
afa05235 608 mips*)
e4da0e39
PB		 609 cpu="mips" ;;
610
611 ppc)
612 CPU_CFLAGS="-m32" ;;
613 ppc64)
ced5cfff 614 CPU_CFLAGS="-m64 -mbig-endian" ;;
e4da0e39 615 ppc64le)
d8ff892d 616 cpu="ppc64"
ced5cfff 617 CPU_CFLAGS="-m64 -mlittle-endian" ;;
e4da0e39
PB		 618
619 s390)
823eb013 620 CPU_CFLAGS="-m31" ;;
e4da0e39
PB		 621 s390x)
622 CPU_CFLAGS="-m64" ;;
623
3142255c 624 sparc|sun4[cdmuv])
ae228531 625 cpu="sparc"
e4da0e39
PB		 626 CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc" ;;
627 sparc64)
628 CPU_CFLAGS="-m64 -mcpu=ultrasparc" ;;
7d13299d 629esac
e2d52ad3 630
0db4a067 631: ${make=${MAKE-make}}
b6daf4d3 632
faf44142
DB		 633# We prefer python 3.x. A bare 'python' is traditionally
634# python 2.x, but some distros have it as python 3.x, so
ddf90699 635# we check that too
faf44142 636python=
0a01d76f 637explicit_python=no
ddf90699 638for binary in "${PYTHON-python3}" python
faf44142
DB		 639do
640 if has "$binary"
641 then
95c5f2de 642 python=$(command -v "$binary")
faf44142
DB		 643 break
644 fi
645done
903458c8 646
903458c8 647
39d87c8c
AB		 648# Check for ancillary tools used in testing
649genisoimage=
3df437c7 650for binary in genisoimage mkisofs
39d87c8c
AB		 651do
652 if has $binary
653 then
654 genisoimage=$(command -v "$binary")
655 break
656 fi
657done
658
3c4a4d0d
PM		 659# Default objcc to clang if available, otherwise use CC
660if has clang; then
661 objcc=clang
662else
663 objcc="$cc"
664fi
665
3457a3f8 666if test "$mingw32" = "yes" ; then
3457a3f8 667 EXESUF=".exe"
78e9d4ad 668 # MinGW needs -mthreads for TLS and macro _MT.
5770e8af 669 CONFIGURE_CFLAGS="-mthreads $CONFIGURE_CFLAGS"
93b25869 670 write_c_skeleton;
d17f305a 671 prefix="/qemu"
c09c1ce7 672 bindir=""
77433a5f 673 qemu_suffix=""
3457a3f8
JQ		 674fi
675
487fefdb 676werror=""
85aa5189 677
8154f5e6
AO		 678meson_option_build_array() {
679 printf '['
c5cfdaba 680 (if test "$targetos" = windows; then
8154f5e6
AO		 681 IFS=\;
682 else
683 IFS=:
684 fi
685 for e in $1; do
65842b03
PM		 686 printf '"""'
687 # backslash escape any '\' and '"' characters
688 printf "%s" "$e" | sed -e 's/\([\"]\)/\\\1/g'
689 printf '""",'
8154f5e6
AO		 690 done)
691 printf ']\n'
692}
693
64708615 694. "$source_path/scripts/meson-buildoptions.sh"
61d63097
PB		 695
696meson_options=
c54b59ee
PB		 697meson_option_add() {
698 meson_options="$meson_options $(quote_sh "$1")"
699}
61d63097
PB		 700meson_option_parse() {
701 meson_options="$meson_options $(_meson_option_parse "$@")"
702 if test $? -eq 1; then
703 echo "ERROR: unknown option $1"
704 echo "Try '$0 --help' for more information"
705 exit 1
706 fi
707}
708
7d13299d 709for opt do
89138857 710 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
7d13299d 711 case "$opt" in
2efc3265
FB		 712 --help|-h) show_help=yes
713 ;;
64708615 714 --version|-V) exec cat "$source_path/VERSION"
99123e13 715 ;;
b1a550a0 716 --prefix=*) prefix="$optarg"
7d13299d 717 ;;
ac0df51d 718 --cross-prefix=*)
7d13299d 719 ;;
ac0df51d 720 --cc=*)
7d13299d 721 ;;
b1a550a0 722 --host-cc=*) host_cc="$optarg"
83469015 723 ;;
83f73fce
TS		 724 --cxx=*)
725 ;;
3c4a4d0d
PM		 726 --objcc=*) objcc="$optarg"
727 ;;
b1a550a0 728 --make=*) make="$optarg"
7d13299d 729 ;;
b6daf4d3 730 --install=*)
6a882643 731 ;;
0a01d76f 732 --python=*) python="$optarg" ; explicit_python=yes
c886edfb 733 ;;
a5665051
PB		 734 --skip-meson) skip_meson=yes
735 ;;
736 --meson=*) meson="$optarg"
737 ;;
48328880
PB		 738 --ninja=*) ninja="$optarg"
739 ;;
e2d8830e
BS		 740 --smbd=*) smbd="$optarg"
741 ;;
e2a2ed06 742 --extra-cflags=*)
7d13299d 743 ;;
11cde1c8
BD		 744 --extra-cxxflags=*)
745 ;;
e910c7d9
PMD		 746 --extra-objcflags=*)
747 ;;
e2a2ed06 748 --extra-ldflags=*)
7d13299d 749 ;;
28609749 750 --cross-cc-*)
5bc62e01 751 ;;
5adb43be
PB		 752 --cross-prefix-*)
753 ;;
c54b59ee 754 --enable-debug-info) meson_option_add -Ddebug=true
5bc62e01 755 ;;
c54b59ee 756 --disable-debug-info) meson_option_add -Ddebug=false
d75402b5 757 ;;
17969268
FZ		 758 --enable-modules)
759 modules="yes"
3aa88b31
SH		 760 ;;
761 --disable-modules)
762 modules="no"
17969268 763 ;;
2ff6b91e 764 --cpu=*)
7d13299d 765 ;;
b1a550a0 766 --target-list=*) target_list="$optarg"
447e133f
AB		 767 if test "$target_list_exclude"; then
768 error_exit "Can't mix --target-list with --target-list-exclude"
769 fi
770 ;;
771 --target-list-exclude=*) target_list_exclude="$optarg"
772 if test "$target_list"; then
773 error_exit "Can't mix --target-list-exclude with --target-list"
774 fi
de83cd02 775 ;;
c54b59ee 776 --with-default-devices) meson_option_add -Ddefault_devices=true
f3494749 777 ;;
c54b59ee 778 --without-default-devices) meson_option_add -Ddefault_devices=false
f3494749 779 ;;
d1d5e9ee
AB		 780 --with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option"
781 ;;
782 --with-devices-*) device_arch=${opt#--with-devices-};
783 device_arch=${device_arch%%=*}
784 cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak
785 if test -f "$cf"; then
786 device_archs="$device_archs $device_arch"
787 eval "devices_${device_arch}=\$optarg"
788 else
789 error_exit "File $cf does not exist"
790 fi
791 ;;
c87ea116
AB		 792 --without-default-features) # processed above
793 ;;
79427693
LM		 794 --static)
795 static="yes"
17884d7b 796 QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
43ce4dfe 797 ;;
0b24e75f
PB		 798 --bindir=*) bindir="$optarg"
799 ;;
77433a5f 800 --with-suffix=*) qemu_suffix="$optarg"
023d3d67 801 ;;
181ce1d0
OH		 802 --host=*|--build=*|\
803 --disable-dependency-tracking|\
785c23ae 804 --sbindir=*|--sharedstatedir=*|\
fe0038be 805 --oldincludedir=*|--datarootdir=*|--infodir=*|\
023ddd74
MF		 806 --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
807 # These switches are silently ignored, for compatibility with
808 # autoconf-generated configure scripts. This allows QEMU's
809 # configure to be used by RPM and similar macros that set
810 # lots of directory switches by default.
811 ;;
f8393946
AJ		 812 --enable-debug-tcg) debug_tcg="yes"
813 ;;
814 --disable-debug-tcg) debug_tcg="no"
815 ;;
f3d08ee6
PB		 816 --enable-debug)
817 # Enable debugging options that aren't excessively noisy
818 debug_tcg="yes"
c55cf6ab 819 meson_option_parse --enable-debug-mutex ""
c54b59ee 820 meson_option_add -Doptimization=0
b553a042 821 fortify_source="no"
f3d08ee6 822 ;;
247724cb
MAL		 823 --enable-sanitizers) sanitizers="yes"
824 ;;
825 --disable-sanitizers) sanitizers="no"
826 ;;
0aebab04
LY		 827 --enable-tsan) tsan="yes"
828 ;;
829 --disable-tsan) tsan="no"
830 ;;
4d34a86b 831 --disable-slirp) slirp="disabled"
1d14ffa9 832 ;;
fd6fc214
PB		 833 --enable-slirp) slirp="enabled"
834 ;;
4d34a86b 835 --enable-slirp=git) slirp="internal"
7c57bdd8 836 ;;
03a3c0b3 837 --enable-slirp=*) slirp="$optarg"
675b9b53 838 ;;
1badb709 839 --disable-tcg) tcg="disabled"
d1a14257 840 plugins="no"
b3f6ea7e 841 ;;
1badb709 842 --enable-tcg) tcg="enabled"
b3f6ea7e 843 ;;
cad25d69 844 --disable-system) softmmu="no"
0a8e90f4 845 ;;
cad25d69 846 --enable-system) softmmu="yes"
0a8e90f4 847 ;;
0953a80f
ZA		 848 --disable-user)
849 linux_user="no" ;
850 bsd_user="no" ;
0953a80f
ZA		 851 ;;
852 --enable-user) ;;
831b7825 853 --disable-linux-user) linux_user="no"
0a8e90f4 854 ;;
831b7825
TS		 855 --enable-linux-user) linux_user="yes"
856 ;;
84778508
BS		 857 --disable-bsd-user) bsd_user="no"
858 ;;
859 --enable-bsd-user) bsd_user="yes"
860 ;;
40d6444e 861 --enable-pie) pie="yes"
34005a00 862 ;;
40d6444e 863 --disable-pie) pie="no"
34005a00 864 ;;
85aa5189
FB		 865 --enable-werror) werror="yes"
866 ;;
867 --disable-werror) werror="no"
868 ;;
63678e17
SN		 869 --enable-stack-protector) stack_protector="yes"
870 ;;
871 --disable-stack-protector) stack_protector="no"
872 ;;
1e4f6065
DB		 873 --enable-safe-stack) safe_stack="yes"
874 ;;
875 --disable-safe-stack) safe_stack="no"
876 ;;
9e62ba48
DB		 877 --enable-cfi)
878 cfi="true";
c54b59ee 879 meson_option_add -Db_lto=true
9e62ba48
DB		 880 ;;
881 --disable-cfi) cfi="false"
882 ;;
fbb4121d 883 --disable-fdt) fdt="disabled"
2df87df7 884 ;;
fbb4121d
PB		 885 --enable-fdt) fdt="enabled"
886 ;;
887 --enable-fdt=git) fdt="internal"
888 ;;
03a3c0b3 889 --enable-fdt=*) fdt="$optarg"
2df87df7 890 ;;
519175a2
AB		 891 --with-coroutine=*) coroutine="$optarg"
892 ;;
1ffb3bbb 893 --disable-zlib-test)
1ece9905 894 ;;
52b53c04
FZ		 895 --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
896 echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
583f6e7b 897 ;;
cb6414df
FZ		 898 --enable-vhdx|--disable-vhdx)
899 echo "$0: $opt is obsolete, VHDX driver is always built" >&2
900 ;;
315d3184
FZ		 901 --enable-uuid|--disable-uuid)
902 echo "$0: $opt is obsolete, UUID support is always built" >&2
903 ;;
cc84d63a
DB		 904 --with-git=*) git="$optarg"
905 ;;
7d7dbf9d
DS		 906 --with-git-submodules=*)
907 git_submodules_action="$optarg"
f62bbee5 908 ;;
9b8e4298
AB		 909 --enable-plugins) if test "$mingw32" = "yes"; then
910 error_exit "TCG plugins not currently supported on Windows platforms"
911 else
912 plugins="yes"
913 fi
40e8c6f4
AB		 914 ;;
915 --disable-plugins) plugins="no"
916 ;;
afc3a8f9
AB		 917 --enable-containers) use_containers="yes"
918 ;;
919 --disable-containers) use_containers="no"
920 ;;
f48e590a
AB		 921 --gdb=*) gdb_bin="$optarg"
922 ;;
3b4da132
PB		 923 # backwards compatibility options
924 --enable-trace-backend=*) meson_option_parse "--enable-trace-backends=$optarg" "$optarg"
925 ;;
926 --disable-blobs) meson_option_parse --disable-install-blobs ""
927 ;;
55116968
JR		 928 --enable-vfio-user-server) vfio_user_server="enabled"
929 ;;
930 --disable-vfio-user-server) vfio_user_server="disabled"
931 ;;
3b4da132
PB		 932 --enable-tcmalloc) meson_option_parse --enable-malloc=tcmalloc tcmalloc
933 ;;
934 --enable-jemalloc) meson_option_parse --enable-malloc=jemalloc jemalloc
935 ;;
936 # everything else has the same name in configure and meson
4fda6011 937 --*) meson_option_parse "$opt" "$optarg"
7f1559c6 938 ;;
7d13299d
FB		 939 esac
940done
941
d1a14257
AB		 942# test for any invalid configuration combinations
943if test "$plugins" = "yes" -a "$tcg" = "disabled"; then
944 error_exit "Can't enable plugins on non-TCG builds"
945fi
946
7d7dbf9d
DS		 947case $git_submodules_action in
948 update|validate)
949 if test ! -e "$source_path/.git"; then
950 echo "ERROR: cannot $git_submodules_action git submodules without .git"
951 exit 1
952 fi
953 ;;
954 ignore)
b80fd281
PB		 955 if ! test -f "$source_path/ui/keycodemapdb/README"
956 then
957 echo
958 echo "ERROR: missing GIT submodules"
959 echo
960 if test -e "$source_path/.git"; then
961 echo "--with-git-submodules=ignore specified but submodules were not"
962 echo "checked out. Please initialize and update submodules."
963 else
964 echo "This is not a GIT checkout but module content appears to"
965 echo "be missing. Do not use 'git archive' or GitHub download links"
966 echo "to acquire QEMU source archives. Non-GIT builds are only"
967 echo "supported with source archives linked from:"
968 echo
969 echo " https://www.qemu.org/download/#source"
970 echo
971 echo "Developers working with GIT can use scripts/archive-source.sh"
972 echo "if they need to create valid source archives."
973 fi
974 echo
975 exit 1
976 fi
7d7dbf9d
DS		 977 ;;
978 *)
979 echo "ERROR: invalid --with-git-submodules= value '$git_submodules_action'"
980 exit 1
981 ;;
982esac
983
60e0df25 984default_target_list=""
6e92f823
PM		 985mak_wilds=""
986
b915a2f1 987if [ "$linux_user" != no ]; then
64708615 988 if [ "$targetos" = linux ] && [ -d "$source_path/linux-user/include/host/$cpu" ]; then
b915a2f1
PB		 989 linux_user=yes
990 elif [ "$linux_user" = yes ]; then
991 error_exit "linux-user not supported on this architecture"
992 fi
993fi
994if [ "$bsd_user" != no ]; then
995 if [ "$bsd_user" = "" ]; then
996 test $targetos = freebsd && bsd_user=yes
997 fi
64708615 998 if [ "$bsd_user" = yes ] && ! [ -d "$source_path/bsd-user/$targetos" ]; then
b915a2f1
PB		 999 error_exit "bsd-user not supported on this host OS"
1000 fi
1001fi
6e92f823 1002if [ "$softmmu" = "yes" ]; then
812b31d3 1003 mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak"
60e0df25 1004fi
6e92f823 1005if [ "$linux_user" = "yes" ]; then
812b31d3 1006 mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak"
60e0df25 1007fi
6e92f823 1008if [ "$bsd_user" = "yes" ]; then
812b31d3 1009 mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak"
60e0df25
PM		 1010fi
1011
2d838d9b
AB		 1012for config in $mak_wilds; do
1013 target="$(basename "$config" .mak)"
98db9a06 1014 if echo "$target_list_exclude" | grep -vq "$target"; then
2d838d9b
AB		 1015 default_target_list="${default_target_list} $target"
1016 fi
1017done
6e92f823 1018
af5db58e
PB		 1019if test x"$show_help" = x"yes" ; then
1020cat << EOF
1021
1022Usage: configure [options]
1023Options: [defaults in brackets after descriptions]
1024
08fb77ed
SW		 1025Standard options:
1026 --help print this message
1027 --prefix=PREFIX install in PREFIX [$prefix]
74154d7e 1028 --target-list=LIST set target list (default: build all)
08fb77ed
SW		 1029$(echo Available targets: $default_target_list | \
1030 fold -s -w 53 | sed -e 's/^/ /')
447e133f 1031 --target-list-exclude=LIST exclude a set of targets from the default target-list
08fb77ed
SW		 1032
1033Advanced options (experts only):
3812c0c4 1034 --cross-prefix=PREFIX use PREFIX for compile tools, PREFIX can be blank [$cross_prefix]
08fb77ed 1035 --cc=CC use C compiler CC [$cc]
08fb77ed
SW		 1036 --host-cc=CC use C compiler CC [$host_cc] for code run at
1037 build time
1038 --cxx=CXX use C++ compiler CXX [$cxx]
1039 --objcc=OBJCC use Objective-C compiler OBJCC [$objcc]
a2866660
PB		 1040 --extra-cflags=CFLAGS append extra C compiler flags CFLAGS
1041 --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS
e910c7d9 1042 --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS
08fb77ed 1043 --extra-ldflags=LDFLAGS append extra linker flags LDFLAGS
d75402b5 1044 --cross-cc-ARCH=CC use compiler when building ARCH guest test cases
479ca4cc 1045 --cross-cc-cflags-ARCH= use compiler flags when building ARCH guest tests
5adb43be 1046 --cross-prefix-ARCH=PREFIX cross compiler prefix when building ARCH guest test cases
08fb77ed 1047 --make=MAKE use specified make [$make]
08fb77ed 1048 --python=PYTHON use specified python [$python]
a5665051 1049 --meson=MESON use specified meson [$meson]
48328880 1050 --ninja=NINJA use specified ninja [$ninja]
08fb77ed 1051 --smbd=SMBD use specified smbd [$smbd]
db1b5f13 1052 --with-git=GIT use specified git [$git]
7d7dbf9d
DS		 1053 --with-git-submodules=update update git submodules (default if .git dir exists)
1054 --with-git-submodules=validate fail if git submodules are not up to date
1055 --with-git-submodules=ignore do not update or check git submodules (default if no .git dir)
08fb77ed 1056 --static enable static build [$static]
08fb77ed 1057 --bindir=PATH install binaries in PATH
ca8c0909 1058 --with-suffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix]
c035c8d6
PB		 1059 --without-default-features default all --enable-* options to "disabled"
1060 --without-default-devices do not include any device that is not needed to
1061 start the emulator (only use if you are including
d1d5e9ee
AB		 1062 desired devices in configs/devices/)
1063 --with-devices-ARCH=NAME override default configs/devices
08fb77ed 1064 --enable-debug enable common debug build options
247724cb 1065 --enable-sanitizers enable default sanitizers
0aebab04 1066 --enable-tsan enable thread sanitizer
08fb77ed 1067 --disable-werror disable compilation abort on warning
63678e17 1068 --disable-stack-protector disable compiler-provided stack protection
c23f23b9 1069 --cpu=CPU Build for host CPU [$cpu]
08fb77ed 1070 --with-coroutine=BACKEND coroutine backend. Supported options:
33c53c54 1071 ucontext, sigaltstack, windows
40e8c6f4
AB		 1072 --enable-plugins
1073 enable plugins via shared library loading
afc3a8f9 1074 --disable-containers don't use containers for cross-building
f48e590a 1075 --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin]
61d63097
PB		 1076EOF
1077 meson_options_help
1078cat << EOF
c23f23b9
MT		 1079 system all system emulation targets
1080 user supported user emulation targets
1081 linux-user all linux usermode emulation targets
1082 bsd-user all BSD usermode emulation targets
c23f23b9 1083 pie Position Independent Executables
21e709aa 1084 modules modules support (non-Windows)
c23f23b9
MT		 1085 debug-tcg TCG debugging (default is disabled)
1086 debug-info debugging information
1e4f6065
DB		 1087 safe-stack SafeStack Stack Smash Protection. Depends on
1088 clang/llvm >= 3.7 and requires coroutine backend ucontext.
08fb77ed
SW		 1089
1090NOTE: The object files are built at the place where configure is launched
af5db58e 1091EOF
2d2ad6d0 1092exit 0
af5db58e
PB		 1093fi
1094
9c790242 1095# Remove old dependency files to make sure that they get properly regenerated
002d8c13 1096rm -f ./*/config-devices.mak.d
9c790242 1097
faf44142
DB		 1098if test -z "$python"
1099then
1100 error_exit "Python not found. Use --python=/path/to/python"
c53eeaf7 1101fi
8e2c76bd
RB		 1102if ! has "$make"
1103then
1104 error_exit "GNU make ($make) not found"
1105fi
c53eeaf7
SH		 1106
1107# Note that if the Python conditional here evaluates True we will exit
1108# with status 1 which is a shell 'false' value.
1b11f28d
TH		 1109if ! $python -c 'import sys; sys.exit(sys.version_info < (3,6))'; then
1110 error_exit "Cannot use '$python', Python >= 3.6 is required." \
c53eeaf7
SH		 1111 "Use --python=/path/to/python to specify a supported Python."
1112fi
1113
1114# Suppress writing compiled files
1115python="$python -B"
1116
0a01d76f 1117if test -z "$meson"; then
6638cae5 1118 if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.59.3; then
0a01d76f 1119 meson=meson
64708615 1120 elif test "$git_submodules_action" != 'ignore' ; then
0a01d76f
MAL		 1121 meson=git
1122 elif test -e "${source_path}/meson/meson.py" ; then
1123 meson=internal
1124 else
1125 if test "$explicit_python" = yes; then
1126 error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found."
1127 else
1128 error_exit "Meson not found. Use --meson=/path/to/meson"
1129 fi
1130 fi
1131else
1132 # Meson uses its own Python interpreter to invoke other Python scripts,
1133 # but the user wants to use the one they specified with --python.
1134 #
1135 # We do not want to override the distro Python interpreter (and sometimes
1136 # cannot: for example in Homebrew /usr/bin/meson is a bash script), so
1137 # just require --meson=git|internal together with --python.
1138 if test "$explicit_python" = yes; then
1139 case "$meson" in
1140 git | internal) ;;
1141 *) error_exit "--python requires using QEMU's embedded Meson distribution." ;;
1142 esac
1143 fi
a5665051 1144fi
a5665051 1145
0a01d76f
MAL		 1146if test "$meson" = git; then
1147 git_submodules="${git_submodules} meson"
a5665051 1148fi
0a01d76f
MAL		 1149
1150case "$meson" in
1151 git | internal)
0a01d76f
MAL		 1152 meson="$python ${source_path}/meson/meson.py"
1153 ;;
84ec0c24 1154 *) meson=$(command -v "$meson") ;;
0a01d76f
MAL		 1155esac
1156
09e93326 1157# Probe for ninja
48328880
PB		 1158
1159if test -z "$ninja"; then
1160 for c in ninja ninja-build samu; do
1161 if has $c; then
1162 ninja=$(command -v "$c")
1163 break
1164 fi
1165 done
09e93326
PB		 1166 if test -z "$ninja"; then
1167 error_exit "Cannot find Ninja"
1168 fi
48328880 1169fi
a5665051 1170
9aae6e54
DHB		 1171# Check that the C compiler works. Doing this here before testing
1172# the host CPU ensures that we had a valid CC to autodetect the
1173# $cpu var (and we should bail right here if that's not the case).
1174# It also allows the help message to be printed without a CC.
1175write_c_skeleton;
1176if compile_object ; then
1177 : C compiler works ok
1178else
1179 error_exit "\"$cc\" either does not exist or does not work"
1180fi
1181if ! compile_prog ; then
1182 error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
1183fi
1184
9c83ffd8
PM		 1185# Consult white-list to determine whether to enable werror
1186# by default. Only enable by default for git builds
9c83ffd8 1187if test -z "$werror" ; then
7d7dbf9d 1188 if test "$git_submodules_action" != "ignore" && \
e633a5c6 1189 { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
9c83ffd8
PM		 1190 werror="yes"
1191 else
1192 werror="no"
1193 fi
1194fi
1195
975ff037 1196if test "$targetos" = "bogus"; then
fb59dabd
PM		 1197 # Now that we know that we're not printing the help and that
1198 # the compiler works (so the results of the check_defines we used
1199 # to identify the OS are reliable), if we didn't recognize the
1200 # host OS we should stop now.
951fedfc 1201 error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
fb59dabd
PM		 1202fi
1203
efc6c070
TH		 1204# Check whether the compiler matches our minimum requirements:
1205cat > $TMPC << EOF
1206#if defined(__clang_major__) && defined(__clang_minor__)
1207# ifdef __apple_build_version__
2a85a08c
DB		 1208# if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0)
1209# error You need at least XCode Clang v10.0 to compile QEMU
efc6c070
TH		 1210# endif
1211# else
2a85a08c
DB		 1212# if __clang_major__ < 6 || (__clang_major__ == 6 && __clang_minor__ < 0)
1213# error You need at least Clang v6.0 to compile QEMU
efc6c070
TH		 1214# endif
1215# endif
1216#elif defined(__GNUC__) && defined(__GNUC_MINOR__)
3830df5f 1217# if __GNUC__ < 7 || (__GNUC__ == 7 && __GNUC_MINOR__ < 4)
1218# error You need at least GCC v7.4.0 to compile QEMU
efc6c070
TH		 1219# endif
1220#else
1221# error You either need GCC or Clang to compiler QEMU
1222#endif
1223int main (void) { return 0; }
1224EOF
1225if ! compile_prog "" "" ; then
3830df5f 1226 error_exit "You need at least GCC v7.4 or Clang v6.0 (or XCode Clang v10.0)"
efc6c070
TH		 1227fi
1228
00849b92
RH		 1229# Accumulate -Wfoo and -Wno-bar separately.
1230# We will list all of the enable flags first, and the disable flags second.
1231# Note that we do not add -Werror, because that would enable it for all
1232# configure tests. If a configure test failed due to -Werror this would
1233# just silently disable some features, so it's too error prone.
1234
1235warn_flags=
1236add_to warn_flags -Wold-style-declaration
1237add_to warn_flags -Wold-style-definition
1238add_to warn_flags -Wtype-limits
1239add_to warn_flags -Wformat-security
1240add_to warn_flags -Wformat-y2k
1241add_to warn_flags -Winit-self
1242add_to warn_flags -Wignored-qualifiers
1243add_to warn_flags -Wempty-body
1244add_to warn_flags -Wnested-externs
1245add_to warn_flags -Wendif-labels
1246add_to warn_flags -Wexpansion-to-defined
0a2ebce9 1247add_to warn_flags -Wimplicit-fallthrough=2
00849b92
RH		 1248
1249nowarn_flags=
1250add_to nowarn_flags -Wno-initializer-overrides
1251add_to nowarn_flags -Wno-missing-include-dirs
1252add_to nowarn_flags -Wno-shift-negative-value
1253add_to nowarn_flags -Wno-string-plus-int
1254add_to nowarn_flags -Wno-typedef-redefinition
aabab967 1255add_to nowarn_flags -Wno-tautological-type-limit-compare
bac8d222 1256add_to nowarn_flags -Wno-psabi
00849b92
RH		 1257
1258gcc_flags="$warn_flags $nowarn_flags"
93b25869
JS		 1259
1260cc_has_warning_flag() {
1261 write_c_skeleton;
1262
a1d29d6c
PM		 1263 # Use the positive sense of the flag when testing for -Wno-wombat
1264 # support (gcc will happily accept the -Wno- form of unknown
1265 # warning options).
93b25869
JS		 1266 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
1267 compile_prog "-Werror $optflag" ""
1268}
1269
4cb37d11
PMD		 1270objcc_has_warning_flag() {
1271 cat > $TMPM <<EOF
1272int main(void) { return 0; }
1273EOF
1274
1275 # Use the positive sense of the flag when testing for -Wno-wombat
1276 # support (gcc will happily accept the -Wno- form of unknown
1277 # warning options).
1278 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
1279 do_objc -Werror $optflag \
1280 $OBJCFLAGS $EXTRA_OBJCFLAGS $CONFIGURE_OBJCFLAGS $QEMU_OBJCFLAGS \
1281 -o $TMPE $TMPM $QEMU_LDFLAGS
1282}
1283
93b25869
JS		 1284for flag in $gcc_flags; do
1285 if cc_has_warning_flag $flag ; then
1286 QEMU_CFLAGS="$QEMU_CFLAGS $flag"
8d05095c 1287 fi
4cb37d11
PMD		 1288 if objcc_has_warning_flag $flag ; then
1289 QEMU_OBJCFLAGS="$QEMU_OBJCFLAGS $flag"
1290 fi
8d05095c
PB		 1291done
1292
3b463a3f 1293if test "$stack_protector" != "no"; then
fccd35a0
RR		 1294 cat > $TMPC << EOF
1295int main(int argc, char *argv[])
1296{
1297 char arr[64], *p = arr, *c = argv[0];
1298 while (*c) {
1299 *p++ = *c++;
1300 }
1301 return 0;
1302}
1303EOF
63678e17 1304 gcc_flags="-fstack-protector-strong -fstack-protector-all"
3b463a3f 1305 sp_on=0
63678e17 1306 for flag in $gcc_flags; do
590e5dd9
PM		 1307 # We need to check both a compile and a link, since some compiler
1308 # setups fail only on a .c->.o compile and some only at link time
086d5f75 1309 if compile_object "-Werror $flag" &&
590e5dd9 1310 compile_prog "-Werror $flag" ""; then
63678e17 1311 QEMU_CFLAGS="$QEMU_CFLAGS $flag"
db5adeaa 1312 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
3b463a3f 1313 sp_on=1
63678e17
SN		 1314 break
1315 fi
1316 done
3b463a3f
MR		 1317 if test "$stack_protector" = yes; then
1318 if test $sp_on = 0; then
1319 error_exit "Stack protector not supported"
1320 fi
1321 fi
37746c5e
MAL		 1322fi
1323
20bc94a2
PB		 1324# Disable -Wmissing-braces on older compilers that warn even for
1325# the "universal" C zero initializer {0}.
1326cat > $TMPC << EOF
1327struct {
1328 int a[2];
1329} x = {0};
1330EOF
1331if compile_object "-Werror" "" ; then
1332 :
1333else
1334 QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
1335fi
1336
21e709aa
MAL		 1337# Our module code doesn't support Windows
1338if test "$modules" = "yes" && test "$mingw32" = "yes" ; then
1339 error_exit "Modules are not available for Windows"
1340fi
1341
5f2453ac 1342# Static linking is not possible with plugins, modules or PIE
40d6444e 1343if test "$static" = "yes" ; then
aa0d1f44
PB		 1344 if test "$modules" = "yes" ; then
1345 error_exit "static and modules are mutually incompatible"
1346 fi
5f2453ac
AB		 1347 if test "$plugins" = "yes"; then
1348 error_exit "static and plugins are mutually incompatible"
ba4dd2aa
AB		 1349 else
1350 plugins="no"
5f2453ac 1351 fi
40d6444e 1352fi
37650689 1353test "$plugins" = "" && plugins=yes
40d6444e 1354
b2634124 1355cat > $TMPC << EOF
21d4a791
AK		 1356
1357#ifdef __linux__
1358# define THREAD __thread
1359#else
1360# define THREAD
1361#endif
21d4a791 1362static THREAD int tls_var;
21d4a791 1363int main(void) { return tls_var; }
40d6444e 1364EOF
412aeacd 1365
12781462 1366if test "$static" = "yes"; then
eca7a8e6 1367 if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
5770e8af 1368 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS"
12781462
RH		 1369 QEMU_LDFLAGS="-static-pie $QEMU_LDFLAGS"
1370 pie="yes"
1371 elif test "$pie" = "yes"; then
1372 error_exit "-static-pie not available due to missing toolchain support"
1373 else
1374 QEMU_LDFLAGS="-static $QEMU_LDFLAGS"
1375 pie="no"
1376 fi
1377elif test "$pie" = "no"; then
b9eae9ef
PB		 1378 if compile_prog "-Werror -fno-pie" "-no-pie"; then
1379 CONFIGURE_CFLAGS="-fno-pie $CONFIGURE_CFLAGS"
1380 CONFIGURE_LDFLAGS="-no-pie $CONFIGURE_LDFLAGS"
abafb64b
AB		 1381 # Meson currently only handles pie as a boolean for now so if we have
1382 # explicitly disabled PIE we need to extend our cflags because it wont.
1383 QEMU_CFLAGS="-fno-pie -no-pie $QEMU_CFLAGS"
b9eae9ef 1384 fi
eca7a8e6 1385elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then
5770e8af
PB		 1386 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS"
1387 CONFIGURE_LDFLAGS="-pie $CONFIGURE_LDFLAGS"
2c674109
RH		 1388 pie="yes"
1389elif test "$pie" = "yes"; then
1390 error_exit "PIE not available due to missing toolchain support"
1391else
1392 echo "Disabling PIE due to missing toolchain support"
1393 pie="no"
40d6444e
AK		 1394fi
1395
e6cbd751
RH		 1396# Detect support for PT_GNU_RELRO + DT_BIND_NOW.
1397# The combination is known as "full relro", because .got.plt is read-only too.
1398if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
1399 QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS"
1400fi
1401
09dada40
PB		 1402##########################################
1403# __sync_fetch_and_and requires at least -march=i486. Many toolchains
1404# use i686 as default anyway, but for those that don't, an explicit
1405# specification is necessary
1406
1407if test "$cpu" = "i386"; then
1408 cat > $TMPC << EOF
1409static int sfaa(int *ptr)
1410{
1411 return __sync_fetch_and_and(ptr, 0);
1412}
1413
1414int main(void)
1415{
1416 int val = 42;
1405b629 1417 val = __sync_val_compare_and_swap(&val, 0, 1);
09dada40
PB		 1418 sfaa(&val);
1419 return val;
1420}
1421EOF
1422 if ! compile_prog "" "" ; then
1423 QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
1424 fi
1425fi
1426
afb63ebd 1427if test -z "${target_list+xxx}" ; then
fdb75aef 1428 default_targets=yes
d880a3ba 1429 for target in $default_target_list; do
fdb75aef 1430 target_list="$target_list $target"
d880a3ba
PB		 1431 done
1432 target_list="${target_list# }"
121afa9e 1433else
fdb75aef 1434 default_targets=no
89138857 1435 target_list=$(echo "$target_list" | sed -e 's/,/ /g')
d880a3ba
PB		 1436 for target in $target_list; do
1437 # Check that we recognised the target name; this allows a more
1438 # friendly error message than if we let it fall through.
1439 case " $default_target_list " in
1440 *" $target "*)
1441 ;;
1442 *)
1443 error_exit "Unknown target name '$target'"
1444 ;;
1445 esac
d880a3ba 1446 done
121afa9e 1447fi
25b48338 1448
f55fe278
PB		 1449# see if system emulation was really requested
1450case " $target_list " in
1451 *"-softmmu "*) softmmu=yes
1452 ;;
1453 *) softmmu=no
1454 ;;
1455esac
5327cf48 1456
7630156d
PMD		 1457if test "$tcg" = "auto"; then
1458 if test -z "$target_list"; then
1459 tcg="disabled"
1460 else
1461 tcg="enabled"
1462 fi
1463fi
1464
1465if test "$tcg" = "enabled"; then
1466 git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
1467 git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
1468fi
1469
7d13299d
FB		 1470# ---
1471# big/little endian test
1472cat > $TMPC << EOF
659eb157 1473#include <stdio.h>
61cc919f
MF		 1474short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
1475short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
659eb157
TH		 1476int main(int argc, char *argv[])
1477{
1478 return printf("%s %s\n", (char *)big_endian, (char *)little_endian);
7d13299d
FB		 1479}
1480EOF
1481
659eb157
TH		 1482if compile_prog ; then
1483 if strings -a $TMPE | grep -q BiGeNdIaN ; then
61cc919f 1484 bigendian="yes"
659eb157 1485 elif strings -a $TMPE | grep -q LiTtLeEnDiAn ; then
61cc919f
MF		 1486 bigendian="no"
1487 else
1488 echo big/little test failed
659eb157 1489 exit 1
21d89f84 1490 fi
61cc919f
MF		 1491else
1492 echo big/little test failed
659eb157 1493 exit 1
7d13299d
FB		 1494fi
1495
779ab5e3
SW		 1496##########################################
1497# pkg-config probe
1498
1499if ! has "$pkg_config_exe"; then
76ad07a4 1500 error_exit "pkg-config binary '$pkg_config_exe' not found"
779ab5e3
SW		 1501fi
1502
e18df141
AL		 1503##########################################
1504# glib support probe
a52d28af 1505
0ce9b08c
TH		 1506# When bumping glib_req_ver, please check also whether we should increase
1507# the _WIN32_WINNT setting in osdep.h according to the value from glib
b4c6036f 1508glib_req_ver=2.56
aa0d1f44
PB		 1509glib_modules=gthread-2.0
1510if test "$modules" = yes; then
a88afc64 1511 glib_modules="$glib_modules gmodule-export-2.0"
b906acac
PB		 1512elif test "$plugins" = "yes"; then
1513 glib_modules="$glib_modules gmodule-no-export-2.0"
54cb65d8 1514fi
e26110cf 1515
aa0d1f44 1516for i in $glib_modules; do
e26110cf 1517 if $pkg_config --atleast-version=$glib_req_ver $i; then
89138857
SW		 1518 glib_cflags=$($pkg_config --cflags $i)
1519 glib_libs=$($pkg_config --libs $i)
e26110cf
FZ		 1520 else
1521 error_exit "glib-$glib_req_ver $i is required to compile QEMU"
1522 fi
1523done
1524
5b9e7d05
MAL		 1525glib_bindir="$($pkg_config --variable=bindir glib-2.0)"
1526if test -z "$glib_bindir" ; then
1527 glib_bindir="$($pkg_config --variable=prefix glib-2.0)"/bin
1528fi
1529
215b0c2f
PB		 1530# This workaround is required due to a bug in pkg-config file for glib as it
1531# doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
1532
1533if test "$static" = yes && test "$mingw32" = yes; then
1534 glib_cflags="-DGLIB_STATIC_COMPILATION $glib_cflags"
1535fi
1536
977a82ab
DB		 1537# Sanity check that the current size_t matches the
1538# size that glib thinks it should be. This catches
1539# problems on multi-arch where people try to build
1540# 32-bit QEMU while pointing at 64-bit glib headers
1541cat > $TMPC <<EOF
1542#include <glib.h>
1543#include <unistd.h>
1544
1545#define QEMU_BUILD_BUG_ON(x) \
1546 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
1547
1548int main(void) {
1549 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
1550 return 0;
1551}
1552EOF
1553
215b0c2f 1554if ! compile_prog "$glib_cflags" "$glib_libs" ; then
977a82ab
DB		 1555 error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
1556 "You probably need to set PKG_CONFIG_LIBDIR"\
1557 "to point to the right pkg-config files for your"\
1558 "build target"
1559fi
1560
9bda600b
EB		 1561# Silence clang warnings triggered by glib < 2.57.2
1562cat > $TMPC << EOF
1563#include <glib.h>
1564typedef struct Foo {
1565 int i;
1566} Foo;
1567static void foo_free(Foo *f)
1568{
1569 g_free(f);
1570}
e0e7fe07 1571G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free)
9bda600b
EB		 1572int main(void) { return 0; }
1573EOF
1574if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
1575 if cc_has_warning_flag "-Wno-unused-function"; then
1576 glib_cflags="$glib_cflags -Wno-unused-function"
5770e8af 1577 CONFIGURE_CFLAGS="$CONFIGURE_CFLAGS -Wno-unused-function"
9bda600b
EB		 1578 fi
1579fi
1580
f652e6af
AJ		 1581##########################################
1582# fdt probe
d599938a 1583
fbb4121d
PB		 1584case "$fdt" in
1585 auto | enabled | internal)
1586 # Simpler to always update submodule, even if not needed.
2d652f24 1587 git_submodules="${git_submodules} dtc"
fbb4121d
PB		 1588 ;;
1589esac
f652e6af 1590
023367e6 1591##########################################
519175a2 1592# check and set a backend for coroutine
d0e2fce5 1593
7c2acc70 1594# We prefer ucontext, but it's not always possible. The fallback
33c53c54
DB		 1595# is sigcontext. On Windows the only valid backend is the Windows
1596# specific one.
7c2acc70
PM		 1597
1598ucontext_works=no
1599if test "$darwin" != "yes"; then
1600 cat > $TMPC << EOF
d0e2fce5 1601#include <ucontext.h>
cdf84806
PM		 1602#ifdef __stub_makecontext
1603#error Ignoring glibc stub makecontext which will always fail
1604#endif
75cafad7 1605int main(void) { makecontext(0, 0, 0); return 0; }
d0e2fce5 1606EOF
7c2acc70
PM		 1607 if compile_prog "" "" ; then
1608 ucontext_works=yes
1609 fi
1610fi
1611
1612if test "$coroutine" = ""; then
1613 if test "$mingw32" = "yes"; then
1614 coroutine=win32
1615 elif test "$ucontext_works" = "yes"; then
1616 coroutine=ucontext
1617 else
1618 coroutine=sigaltstack
d0e2fce5 1619 fi
519175a2 1620else
7c2acc70
PM		 1621 case $coroutine in
1622 windows)
1623 if test "$mingw32" != "yes"; then
1624 error_exit "'windows' coroutine backend only valid for Windows"
1625 fi
1626 # Unfortunately the user visible backend name doesn't match the
1627 # coroutine-*.c filename for this case, so we have to adjust it here.
1628 coroutine=win32
1629 ;;
1630 ucontext)
1631 if test "$ucontext_works" != "yes"; then
7cb58448 1632 error_exit "'ucontext' backend requested but makecontext not available"
7c2acc70
PM		 1633 fi
1634 ;;
33c53c54 1635 sigaltstack)
7c2acc70
PM		 1636 if test "$mingw32" = "yes"; then
1637 error_exit "only the 'windows' coroutine backend is valid for Windows"
1638 fi
1639 ;;
1640 *)
1641 error_exit "unknown coroutine backend $coroutine"
1642 ;;
1643 esac
d0e2fce5
AK		 1644fi
1645
1e4f6065
DB		 1646##################################################
1647# SafeStack
1648
1649
1650if test "$safe_stack" = "yes"; then
1651cat > $TMPC << EOF
1652int main(int argc, char *argv[])
1653{
1654#if ! __has_feature(safe_stack)
1655#error SafeStack Disabled
1656#endif
1657 return 0;
1658}
1659EOF
1660 flag="-fsanitize=safe-stack"
1661 # Check that safe-stack is supported and enabled.
1662 if compile_prog "-Werror $flag" "$flag"; then
1663 # Flag needed both at compilation and at linking
1664 QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1665 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
1666 else
1667 error_exit "SafeStack not supported by your compiler"
1668 fi
1669 if test "$coroutine" != "ucontext"; then
1670 error_exit "SafeStack is only supported by the coroutine backend ucontext"
1671 fi
1672else
1673cat > $TMPC << EOF
1674int main(int argc, char *argv[])
1675{
1676#if defined(__has_feature)
1677#if __has_feature(safe_stack)
1678#error SafeStack Enabled
1679#endif
1680#endif
1681 return 0;
1682}
1683EOF
1684if test "$safe_stack" = "no"; then
1685 # Make sure that safe-stack is disabled
1686 if ! compile_prog "-Werror" ""; then
1687 # SafeStack was already enabled, try to explicitly remove the feature
1688 flag="-fno-sanitize=safe-stack"
1689 if ! compile_prog "-Werror $flag" "$flag"; then
1690 error_exit "Configure cannot disable SafeStack"
1691 fi
1692 QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1693 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
1694 fi
1695else # "$safe_stack" = ""
1696 # Set safe_stack to yes or no based on pre-existing flags
1697 if compile_prog "-Werror" ""; then
1698 safe_stack="no"
1699 else
1700 safe_stack="yes"
1701 if test "$coroutine" != "ucontext"; then
1702 error_exit "SafeStack is only supported by the coroutine backend ucontext"
1703 fi
1704 fi
1705fi
1706fi
7d992e4d 1707
fd0e6053
JS		 1708########################################
1709# check if ccache is interfering with
1710# semantic analysis of macros
1711
5e4dfd3d 1712unset CCACHE_CPP2
fd0e6053
JS		 1713ccache_cpp2=no
1714cat > $TMPC << EOF
1715static const int Z = 1;
1716#define fn() ({ Z; })
1717#define TAUT(X) ((X) == Z)
1718#define PAREN(X, Y) (X == Y)
1719#define ID(X) (X)
1720int main(int argc, char *argv[])
1721{
1722 int x = 0, y = 0;
1723 x = ID(x);
1724 x = fn();
1725 fn();
1726 if (PAREN(x, y)) return 0;
1727 if (TAUT(Z)) return 0;
1728 return 0;
1729}
1730EOF
1731
1732if ! compile_object "-Werror"; then
1733 ccache_cpp2=yes
1734fi
1735
b553a042
JS		 1736#################################################
1737# clang does not support glibc + FORTIFY_SOURCE.
1738
1739if test "$fortify_source" != "no"; then
1740 if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
1741 fortify_source="no";
e189091f 1742 elif test -n "$cxx" && has $cxx &&
cfcc7c14 1743 echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
b553a042
JS		 1744 fortify_source="no";
1745 else
1746 fortify_source="yes"
1747 fi
1748fi
1749
247724cb
MAL		 1750##########################################
1751# checks for sanitizers
1752
247724cb
MAL		 1753have_asan=no
1754have_ubsan=no
d83414e1
MAL		 1755have_asan_iface_h=no
1756have_asan_iface_fiber=no
247724cb
MAL		 1757
1758if test "$sanitizers" = "yes" ; then
b9f44da2 1759 write_c_skeleton
247724cb
MAL		 1760 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then
1761 have_asan=yes
1762 fi
b9f44da2
MAL		 1763
1764 # we could use a simple skeleton for flags checks, but this also
1765 # detect the static linking issue of ubsan, see also:
1766 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
1767 cat > $TMPC << EOF
1768#include <stdlib.h>
1769int main(void) {
1770 void *tmp = malloc(10);
f2dfe54c
LB		 1771 if (tmp != NULL) {
1772 return *(int *)(tmp + 2);
1773 }
d1abf3fc 1774 return 1;
b9f44da2
MAL		 1775}
1776EOF
247724cb
MAL		 1777 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then
1778 have_ubsan=yes
1779 fi
d83414e1
MAL		 1780
1781 if check_include "sanitizer/asan_interface.h" ; then
1782 have_asan_iface_h=yes
1783 fi
1784
1785 cat > $TMPC << EOF
1786#include <sanitizer/asan_interface.h>
1787int main(void) {
1788 __sanitizer_start_switch_fiber(0, 0, 0);
1789 return 0;
1790}
1791EOF
1792 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then
1793 have_asan_iface_fiber=yes
1794 fi
247724cb
MAL		 1795fi
1796
0aebab04
LY		 1797# Thread sanitizer is, for now, much noisier than the other sanitizers;
1798# keep it separate until that is not the case.
1799if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then
1800 error_exit "TSAN is not supported with other sanitiziers."
1801fi
1802have_tsan=no
1803have_tsan_iface_fiber=no
1804if test "$tsan" = "yes" ; then
1805 write_c_skeleton
1806 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
1807 have_tsan=yes
1808 fi
1809 cat > $TMPC << EOF
1810#include <sanitizer/tsan_interface.h>
1811int main(void) {
1812 __tsan_create_fiber(0);
1813 return 0;
1814}
1815EOF
1816 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
1817 have_tsan_iface_fiber=yes
1818 fi
1819fi
1820
675b9b53
MAL		 1821##########################################
1822# check for slirp
1823
1824case "$slirp" in
4d34a86b
PB		 1825 auto | enabled | internal)
1826 # Simpler to always update submodule, even if not needed.
2d652f24 1827 git_submodules="${git_submodules} slirp"
675b9b53
MAL		 1828 ;;
1829esac
1830
cd362def
PB		 1831##########################################
1832# functions to probe cross compilers
1833
1834container="no"
1835if test $use_containers = "yes"; then
1836 if has "docker" || has "podman"; then
64708615 1837 container=$($python "$source_path"/tests/docker/docker.py probe)
cd362def
PB		 1838 fi
1839fi
1840
1841# cross compilers defaults, can be overridden with --cross-cc-ARCH
5adb43be
PB		 1842: ${cross_prefix_aarch64="aarch64-linux-gnu-"}
1843: ${cross_prefix_aarch64_be="$cross_prefix_aarch64"}
1844: ${cross_prefix_alpha="alpha-linux-gnu-"}
1845: ${cross_prefix_arm="arm-linux-gnueabihf-"}
1846: ${cross_prefix_armeb="$cross_prefix_arm"}
1847: ${cross_prefix_hexagon="hexagon-unknown-linux-musl-"}
34bb43b0 1848: ${cross_prefix_loongarch64="loongarch64-unknown-linux-gnu-"}
5adb43be
PB		 1849: ${cross_prefix_hppa="hppa-linux-gnu-"}
1850: ${cross_prefix_i386="i686-linux-gnu-"}
1851: ${cross_prefix_m68k="m68k-linux-gnu-"}
1852: ${cross_prefix_microblaze="microblaze-linux-musl-"}
1853: ${cross_prefix_mips64el="mips64el-linux-gnuabi64-"}
1854: ${cross_prefix_mips64="mips64-linux-gnuabi64-"}
1855: ${cross_prefix_mipsel="mipsel-linux-gnu-"}
1856: ${cross_prefix_mips="mips-linux-gnu-"}
1857: ${cross_prefix_nios2="nios2-linux-gnu-"}
1858: ${cross_prefix_ppc="powerpc-linux-gnu-"}
1859: ${cross_prefix_ppc64="powerpc64-linux-gnu-"}
1860: ${cross_prefix_ppc64le="$cross_prefix_ppc64"}
1861: ${cross_prefix_riscv64="riscv64-linux-gnu-"}
1862: ${cross_prefix_s390x="s390x-linux-gnu-"}
1863: ${cross_prefix_sh4="sh4-linux-gnu-"}
1864: ${cross_prefix_sparc64="sparc64-linux-gnu-"}
1865: ${cross_prefix_sparc="$cross_prefix_sparc64"}
1866: ${cross_prefix_x86_64="x86_64-linux-gnu-"}
1867
cd362def
PB		 1868: ${cross_cc_aarch64_be="$cross_cc_aarch64"}
1869: ${cross_cc_cflags_aarch64_be="-mbig-endian"}
46af66ed 1870: ${cross_cc_armeb="$cross_cc_arm"}
cd362def
PB		 1871: ${cross_cc_cflags_armeb="-mbig-endian"}
1872: ${cross_cc_hexagon="hexagon-unknown-linux-musl-clang"}
1873: ${cross_cc_cflags_hexagon="-mv67 -O2 -static"}
cd362def 1874: ${cross_cc_cflags_i386="-m32"}
d44f2f96 1875: ${cross_cc_cflags_ppc="-m32 -mbig-endian"}
cd362def
PB		 1876: ${cross_cc_cflags_ppc64="-m64 -mbig-endian"}
1877: ${cross_cc_ppc64le="$cross_cc_ppc64"}
1878: ${cross_cc_cflags_ppc64le="-m64 -mlittle-endian"}
cd362def 1879: ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"}
46af66ed
PB		 1880: ${cross_cc_sparc="$cross_cc_sparc64"}
1881: ${cross_cc_cflags_sparc="-m32 -mcpu=supersparc"}
cd362def
PB		 1882: ${cross_cc_cflags_x86_64="-m64"}
1883
5adb43be 1884compute_target_variable() {
92e288fc 1885 eval "$2="
5adb43be
PB		 1886 if eval test -n "\"\${cross_prefix_$1}\""; then
1887 if eval has "\"\${cross_prefix_$1}\$3\""; then
1888 eval "$2=\"\${cross_prefix_$1}\$3\""
1889 fi
1890 fi
1891}
cd362def 1892
52f08dea
PB		 1893# probe_target_compiler TARGET
1894#
1895# Look for a compiler for the given target, either native or cross.
1896# Set variables target_* if a compiler is found, and container_cross_*
1897# if a Docker-based cross-compiler image is known for the target.
1898# Set got_cross_cc to yes/no depending on whether a non-container-based
1899# compiler was found.
1900#
1901# If TARGET is a user-mode emulation target, also set build_static to
1902# "y" if static linking is possible.
1903#
cd362def
PB		 1904probe_target_compiler() {
1905 # reset all output variables
92e288fc 1906 got_cross_cc=no
cd362def
PB		 1907 container_image=
1908 container_hosts=
1909 container_cross_cc=
87eb014c 1910 container_cross_ar=
cd362def
PB		 1911 container_cross_as=
1912 container_cross_ld=
87eb014c
PB		 1913 container_cross_nm=
1914 container_cross_objcopy=
1915 container_cross_ranlib=
1916 container_cross_strip=
cd362def 1917
52f08dea
PB		 1918 target_arch=${1%%-*}
1919 case $target_arch in
cd362def
PB		 1920 aarch64) container_hosts="x86_64 aarch64" ;;
1921 alpha) container_hosts=x86_64 ;;
1922 arm) container_hosts="x86_64 aarch64" ;;
1923 cris) container_hosts=x86_64 ;;
1924 hexagon) container_hosts=x86_64 ;;
1925 hppa) container_hosts=x86_64 ;;
1926 i386) container_hosts=x86_64 ;;
b70ec50b 1927 loongarch64) container_hosts=x86_64 ;;
cd362def
PB		 1928 m68k) container_hosts=x86_64 ;;
1929 microblaze) container_hosts=x86_64 ;;
1930 mips64el) container_hosts=x86_64 ;;
1931 mips64) container_hosts=x86_64 ;;
1932 mipsel) container_hosts=x86_64 ;;
1933 mips) container_hosts=x86_64 ;;
1934 nios2) container_hosts=x86_64 ;;
1935 ppc) container_hosts=x86_64 ;;
1936 ppc64|ppc64le) container_hosts=x86_64 ;;
1937 riscv64) container_hosts=x86_64 ;;
1938 s390x) container_hosts=x86_64 ;;
1939 sh4) container_hosts=x86_64 ;;
1940 sparc64) container_hosts=x86_64 ;;
1941 tricore) container_hosts=x86_64 ;;
1942 x86_64) container_hosts="aarch64 ppc64el x86_64" ;;
1943 xtensa*) container_hosts=x86_64 ;;
1944 esac
1945
1946 for host in $container_hosts; do
1947 test "$container" != no || continue
1948 test "$host" = "$cpu" || continue
52f08dea 1949 case $target_arch in
cd362def
PB		 1950 aarch64)
1951 # We don't have any bigendian build tools so we only use this for AArch64
1952 container_image=debian-arm64-cross
5adb43be
PB		 1953 container_cross_prefix=aarch64-linux-gnu-
1954 container_cross_cc=${container_cross_prefix}gcc-10
cd362def
PB		 1955 ;;
1956 alpha)
1957 container_image=debian-alpha-cross
5adb43be 1958 container_cross_prefix=alpha-linux-gnu-
cd362def
PB		 1959 ;;
1960 arm)
1961 # We don't have any bigendian build tools so we only use this for ARM
1962 container_image=debian-armhf-cross
5adb43be 1963 container_cross_prefix=arm-linux-gnueabihf-
cd362def
PB		 1964 ;;
1965 cris)
1966 container_image=fedora-cris-cross
5adb43be 1967 container_cross_prefix=cris-linux-gnu-
cd362def
PB		 1968 ;;
1969 hexagon)
1970 container_image=debian-hexagon-cross
5adb43be
PB		 1971 container_cross_prefix=hexagon-unknown-linux-musl-
1972 container_cross_cc=${container_cross_prefix}clang
cd362def
PB		 1973 ;;
1974 hppa)
1975 container_image=debian-hppa-cross
5adb43be 1976 container_cross_prefix=hppa-linux-gnu-
cd362def
PB		 1977 ;;
1978 i386)
1979 container_image=fedora-i386-cross
5adb43be 1980 container_cross_prefix=
cd362def 1981 ;;
b70ec50b
RH		 1982 loongarch64)
1983 container_image=debian-loongarch-cross
1984 container_cross_prefix=loongarch64-unknown-linux-gnu-
1985 ;;
cd362def
PB		 1986 m68k)
1987 container_image=debian-m68k-cross
5adb43be 1988 container_cross_prefix=m68k-linux-gnu-
cd362def
PB		 1989 ;;
1990 microblaze)
1991 container_image=debian-microblaze-cross
5adb43be 1992 container_cross_prefix=microblaze-linux-musl-
cd362def
PB		 1993 ;;
1994 mips64el)
1995 container_image=debian-mips64el-cross
5adb43be 1996 container_cross_prefix=mips64el-linux-gnuabi64-
cd362def
PB		 1997 ;;
1998 mips64)
1999 container_image=debian-mips64-cross
5adb43be 2000 container_cross_prefix=mips64-linux-gnuabi64-
cd362def
PB		 2001 ;;
2002 mipsel)
2003 container_image=debian-mipsel-cross
5adb43be 2004 container_cross_prefix=mipsel-linux-gnu-
cd362def
PB		 2005 ;;
2006 mips)
2007 container_image=debian-mips-cross
5adb43be 2008 container_cross_prefix=mips-linux-gnu-
cd362def
PB		 2009 ;;
2010 nios2)
2011 container_image=debian-nios2-cross
5adb43be 2012 container_cross_prefix=nios2-linux-gnu-
cd362def
PB		 2013 ;;
2014 ppc)
2015 container_image=debian-powerpc-test-cross
5adb43be
PB		 2016 container_cross_prefix=powerpc-linux-gnu-
2017 container_cross_cc=${container_cross_prefix}gcc-10
cd362def
PB		 2018 ;;
2019 ppc64|ppc64le)
2020 container_image=debian-powerpc-test-cross
705c881f 2021 container_cross_prefix=powerpc${target_arch#ppc}-linux-gnu-
5adb43be 2022 container_cross_cc=${container_cross_prefix}gcc-10
cd362def
PB		 2023 ;;
2024 riscv64)
2025 container_image=debian-riscv64-test-cross
5adb43be 2026 container_cross_prefix=riscv64-linux-gnu-
cd362def
PB		 2027 ;;
2028 s390x)
2029 container_image=debian-s390x-cross
5adb43be 2030 container_cross_prefix=s390x-linux-gnu-
cd362def
PB		 2031 ;;
2032 sh4)
2033 container_image=debian-sh4-cross
5adb43be 2034 container_cross_prefix=sh4-linux-gnu-
cd362def
PB		 2035 ;;
2036 sparc64)
2037 container_image=debian-sparc64-cross
5adb43be 2038 container_cross_prefix=sparc64-linux-gnu-
cd362def
PB		 2039 ;;
2040 tricore)
2041 container_image=debian-tricore-cross
5adb43be 2042 container_cross_prefix=tricore-
cd362def
PB		 2043 container_cross_as=tricore-as
2044 container_cross_ld=tricore-ld
5adb43be 2045 break
cd362def
PB		 2046 ;;
2047 x86_64)
2048 container_image=debian-amd64-cross
5adb43be 2049 container_cross_prefix=x86_64-linux-gnu-
cd362def
PB		 2050 ;;
2051 xtensa*)
cd362def
PB		 2052 container_hosts=x86_64
2053 container_image=debian-xtensa-cross
2054
2055 # default to the dc232b cpu
5adb43be 2056 container_cross_prefix=/opt/2020.07/xtensa-dc232b-elf/bin/xtensa-dc232b-elf-
cd362def
PB		 2057 ;;
2058 esac
5adb43be 2059 : ${container_cross_cc:=${container_cross_prefix}gcc}
87eb014c 2060 : ${container_cross_ar:=${container_cross_prefix}ar}
5adb43be
PB		 2061 : ${container_cross_as:=${container_cross_prefix}as}
2062 : ${container_cross_ld:=${container_cross_prefix}ld}
87eb014c
PB		 2063 : ${container_cross_nm:=${container_cross_prefix}nm}
2064 : ${container_cross_objcopy:=${container_cross_prefix}objcopy}
2065 : ${container_cross_ranlib:=${container_cross_prefix}ranlib}
2066 : ${container_cross_strip:=${container_cross_prefix}strip}
cd362def
PB		 2067 done
2068
92e288fc
PB		 2069 local t try
2070 try=cross
52f08dea 2071 case "$target_arch:$cpu" in
26e72533
PB		 2072 aarch64_be:aarch64 | \
2073 armeb:arm | \
640aabc8 2074 i386:x86_64 | \
26e72533 2075 mips*:mips64 | \
d44f2f96 2076 ppc*:ppc64 | \
26e72533 2077 sparc:sparc64 | \
640aabc8 2078 "$cpu:$cpu")
92e288fc 2079 try='native cross' ;;
640aabc8 2080 esac
92e288fc
PB		 2081 eval "target_cflags=\${cross_cc_cflags_$target_arch}"
2082 for t in $try; do
2083 case $t in
2084 native)
2085 target_cc=$cc
2086 target_ccas=$ccas
2087 target_ar=$ar
2088 target_as=$as
2089 target_ld=$ld
2090 target_nm=$nm
2091 target_objcopy=$objcopy
2092 target_ranlib=$ranlib
2093 target_strip=$strip
2094 ;;
2095 cross)
2096 target_cc=
2097 if eval test -n "\"\${cross_cc_$target_arch}\""; then
2098 if eval has "\"\${cross_cc_$target_arch}\""; then
2099 eval "target_cc=\"\${cross_cc_$target_arch}\""
2100 fi
2101 else
2102 compute_target_variable $target_arch target_cc gcc
2103 fi
2104 target_ccas=$target_cc
2105 compute_target_variable $target_arch target_ar ar
2106 compute_target_variable $target_arch target_as as
2107 compute_target_variable $target_arch target_ld ld
2108 compute_target_variable $target_arch target_nm nm
2109 compute_target_variable $target_arch target_objcopy objcopy
2110 compute_target_variable $target_arch target_ranlib ranlib
2111 compute_target_variable $target_arch target_strip strip
2112 ;;
2113 esac
2114
2115 if test -n "$target_cc"; then
2116 case $target_arch in
2117 i386|x86_64)
2118 if $target_cc --version | grep -qi "clang"; then
2119 continue
2120 fi
2121 ;;
2122 esac
2123 elif test -n "$target_as" && test -n "$target_ld"; then
2124 # Special handling for assembler only targets
2125 case $target in
2126 tricore-softmmu)
2127 build_static=
2128 got_cross_cc=yes
2129 break
2130 ;;
2131 *)
2132 continue
2133 ;;
2134 esac
2135 else
2136 continue
2137 fi
2138
2139 write_c_skeleton
2140 case $1 in
2141 *-softmmu)
2142 if do_compiler "$target_cc" $target_cflags -o $TMPO -c $TMPC &&
2143 do_compiler "$target_cc" $target_cflags -r -nostdlib -o "${TMPDIR1}/${TMPB}2.o" "$TMPO" -lgcc; then
2144 got_cross_cc=yes
2145 break
2146 fi
2147 ;;
2148 *)
2149 if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC -static ; then
2150 build_static=y
2151 got_cross_cc=yes
2152 break
2153 fi
2154 if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC ; then
2155 build_static=
2156 got_cross_cc=yes
2157 break
2ad60f6f
PB		 2158 fi
2159 ;;
2160 esac
92e288fc
PB		 2161 done
2162 if test $got_cross_cc != yes; then
2163 build_static=
2164 target_cc=
2165 target_ccas=
92e288fc
PB		 2166 target_ar=
2167 target_as=
2168 target_ld=
2169 target_nm=
2170 target_objcopy=
2171 target_ranlib=
2172 target_strip=
2ad60f6f 2173 fi
cd362def
PB		 2174}
2175
2176write_target_makefile() {
e81785ab 2177 echo "EXTRA_CFLAGS=$target_cflags"
cd362def
PB		 2178 if test -n "$target_cc"; then
2179 echo "CC=$target_cc"
87eb014c
PB		 2180 echo "CCAS=$target_ccas"
2181 fi
2182 if test -n "$target_ar"; then
2183 echo "AR=$target_ar"
cd362def
PB		 2184 fi
2185 if test -n "$target_as"; then
2186 echo "AS=$target_as"
2187 fi
2188 if test -n "$target_ld"; then
2189 echo "LD=$target_ld"
2190 fi
87eb014c
PB		 2191 if test -n "$target_nm"; then
2192 echo "NM=$target_nm"
2193 fi
2194 if test -n "$target_objcopy"; then
2195 echo "OBJCOPY=$target_objcopy"
2196 fi
2197 if test -n "$target_ranlib"; then
2198 echo "RANLIB=$target_ranlib"
2199 fi
2200 if test -n "$target_strip"; then
2201 echo "STRIP=$target_strip"
2202 fi
cd362def
PB		 2203}
2204
2205write_container_target_makefile() {
e81785ab 2206 echo "EXTRA_CFLAGS=$target_cflags"
cd362def
PB		 2207 if test -n "$container_cross_cc"; then
2208 echo "CC=\$(DOCKER_SCRIPT) cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
87eb014c 2209 echo "CCAS=\$(DOCKER_SCRIPT) cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
cd362def 2210 fi
87eb014c 2211 echo "AR=\$(DOCKER_SCRIPT) cc --cc $container_cross_ar -i qemu/$container_image -s $source_path --"
5adb43be
PB		 2212 echo "AS=\$(DOCKER_SCRIPT) cc --cc $container_cross_as -i qemu/$container_image -s $source_path --"
2213 echo "LD=\$(DOCKER_SCRIPT) cc --cc $container_cross_ld -i qemu/$container_image -s $source_path --"
87eb014c
PB		 2214 echo "NM=\$(DOCKER_SCRIPT) cc --cc $container_cross_nm -i qemu/$container_image -s $source_path --"
2215 echo "OBJCOPY=\$(DOCKER_SCRIPT) cc --cc $container_cross_objcopy -i qemu/$container_image -s $source_path --"
2216 echo "RANLIB=\$(DOCKER_SCRIPT) cc --cc $container_cross_ranlib -i qemu/$container_image -s $source_path --"
2217 echo "STRIP=\$(DOCKER_SCRIPT) cc --cc $container_cross_strip -i qemu/$container_image -s $source_path --"
cd362def
PB		 2218}
2219
2220
2221
55116968
JR		 2222##########################################
2223# check for vfio_user_server
2224
2225case "$vfio_user_server" in
2226 enabled )
2227 if test "$git_submodules_action" != "ignore"; then
2228 git_submodules="${git_submodules} subprojects/libvfio-user"
2229 fi
2230 ;;
2231esac
2232
7e24e92a 2233##########################################
e86ecd4b
JQ		 2234# End of CC checks
2235# After here, no more $cc or $ld runs
2236
d83414e1
MAL		 2237write_c_skeleton
2238
df42fa7d 2239if test "$fortify_source" = "yes" ; then
086d5f75 2240 QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS"
086d5f75 2241fi
086d5f75 2242
247724cb 2243if test "$have_asan" = "yes"; then
db5adeaa
PB		 2244 QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS"
2245 QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS"
d83414e1
MAL		 2246 if test "$have_asan_iface_h" = "no" ; then
2247 echo "ASAN build enabled, but ASAN header missing." \
2248 "Without code annotation, the report may be inferior."
2249 elif test "$have_asan_iface_fiber" = "no" ; then
2250 echo "ASAN build enabled, but ASAN header is too old." \
2251 "Without code annotation, the report may be inferior."
2252 fi
247724cb 2253fi
0aebab04
LY		 2254if test "$have_tsan" = "yes" ; then
2255 if test "$have_tsan_iface_fiber" = "yes" ; then
2256 QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS"
2257 QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS"
2258 else
2259 error_exit "Cannot enable TSAN due to missing fiber annotation interface."
2260 fi
2261elif test "$tsan" = "yes" ; then
2262 error_exit "Cannot enable TSAN due to missing sanitize thread interface."
2263fi
247724cb 2264if test "$have_ubsan" = "yes"; then
db5adeaa
PB		 2265 QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS"
2266 QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS"
247724cb
MAL		 2267fi
2268
3efac6eb 2269##########################################
3efac6eb 2270
0aebab04
LY		 2271# Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
2272if test "$solaris" = "no" && test "$tsan" = "no"; then
e86ecd4b 2273 if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
db5adeaa 2274 QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS"
e86ecd4b
JQ		 2275 fi
2276fi
2277
b846ab7c 2278# Guest agent Windows MSI package
9d6bc27b 2279
b846ab7c
PB		 2280if test "$QEMU_GA_MANUFACTURER" = ""; then
2281 QEMU_GA_MANUFACTURER=QEMU
9d6bc27b 2282fi
b846ab7c
PB		 2283if test "$QEMU_GA_DISTRO" = ""; then
2284 QEMU_GA_DISTRO=Linux
9d6bc27b 2285fi
b846ab7c 2286if test "$QEMU_GA_VERSION" = ""; then
64708615 2287 QEMU_GA_VERSION=$(cat "$source_path"/VERSION)
b846ab7c
PB		 2288fi
2289
33ab4787
PB		 2290
2291#######################################
2292# cross-compiled firmware targets
2293
ad388845
PB		 2294# Set up build tree symlinks that point back into the source tree
2295# (these can be both files and directories).
2296# Caution: avoid adding files or directories here using wildcards. This
2297# will result in problems later if a new file matching the wildcard is
2298# added to the source tree -- nothing will cause configure to be rerun
2299# so the build tree will be missing the link back to the new file, and
2300# tests might fail. Prefer to keep the relevant files in their own
2301# directory and symlink the directory instead.
2302LINKS="Makefile"
2303LINKS="$LINKS tests/tcg/Makefile.target"
2304LINKS="$LINKS pc-bios/optionrom/Makefile"
2305LINKS="$LINKS pc-bios/s390-ccw/Makefile"
d695918f 2306LINKS="$LINKS pc-bios/vof/Makefile"
ad388845
PB		 2307LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
2308LINKS="$LINKS tests/avocado tests/data"
2309LINKS="$LINKS tests/qemu-iotests/check"
2310LINKS="$LINKS python"
2311LINKS="$LINKS contrib/plugins/Makefile "
2312for f in $LINKS ; do
2313 if [ -e "$source_path/$f" ]; then
cc3c71e8 2314 mkdir -p "$(dirname ./"$f")"
ad388845
PB		 2315 symlink "$source_path/$f" "$f"
2316 fi
2317done
2318
ca35f780
PB		 2319# Mac OS X ships with a broken assembler
2320roms=
52f08dea 2321probe_target_compiler i386-softmmu
33ab4787 2322if test -n "$target_cc" &&
ba7c60c2
PB		 2323 test "$targetos" != "darwin" && test "$targetos" != "sunos" && \
2324 test "$targetos" != "haiku" && test "$softmmu" = yes ; then
e57218b6 2325 # Different host OS linkers have different ideas about the name of the ELF
c65d5e4e
BS		 2326 # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd
2327 # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe.
2328 for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do
d466d416 2329 if "$target_ld" -verbose 2>&1 | grep -q "^[[:space:]]*${emu}[[:space:]]*$"; then
e57218b6 2330 ld_i386_emulation="$emu"
e57218b6
PM		 2331 break
2332 fi
2333 done
33ab4787 2334 if test -n "$ld_i386_emulation"; then
76ca98b0 2335 roms="pc-bios/optionrom"
33ab4787
PB		 2336 config_mak=pc-bios/optionrom/config.mak
2337 echo "# Automatically generated by configure - do not modify" > $config_mak
2338 echo "TOPSRC_DIR=$source_path" >> $config_mak
2339 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_mak
2340 write_target_makefile >> $config_mak
2341 fi
ca35f780 2342fi
ca35f780 2343
52f08dea 2344probe_target_compiler ppc-softmmu
d695918f 2345if test -n "$target_cc" && test "$softmmu" = yes; then
76ca98b0 2346 roms="$roms pc-bios/vof"
d695918f
PB		 2347 config_mak=pc-bios/vof/config.mak
2348 echo "# Automatically generated by configure - do not modify" > $config_mak
2349 echo "SRC_DIR=$source_path/pc-bios/vof" >> $config_mak
2350 write_target_makefile >> $config_mak
2351fi
2352
9ffed426
PB		 2353# Only build s390-ccw bios if the compiler has -march=z900 or -march=z10
2354# (which is the lowest architecture level that Clang supports)
52f08dea 2355probe_target_compiler s390x-softmmu
9ffed426 2356if test -n "$target_cc" && test "$softmmu" = yes; then
2e33c3f8 2357 write_c_skeleton
9ffed426 2358 do_compiler "$target_cc" $target_cc_cflags -march=z900 -o $TMPO -c $TMPC
a5b2afd5 2359 has_z900=$?
9ffed426 2360 if [ $has_z900 = 0 ] || do_compiler "$target_cc" $target_cc_cflags -march=z10 -msoft-float -Werror -o $TMPO -c $TMPC; then
a5b2afd5
TH		 2361 if [ $has_z900 != 0 ]; then
2362 echo "WARNING: Your compiler does not support the z900!"
2363 echo " The s390-ccw bios will only work with guest CPUs >= z10."
2364 fi
76ca98b0 2365 roms="$roms pc-bios/s390-ccw"
9ffed426
PB		 2366 config_mak=pc-bios/s390-ccw/config-host.mak
2367 echo "# Automatically generated by configure - do not modify" > $config_mak
2368 echo "SRC_PATH=$source_path/pc-bios/s390-ccw" >> $config_mak
2369 write_target_makefile >> $config_mak
1ef6bfc2
PMD		 2370 # SLOF is required for building the s390-ccw firmware on s390x,
2371 # since it is using the libnet code from SLOF for network booting.
2d652f24 2372 git_submodules="${git_submodules} roms/SLOF"
2e33c3f8 2373 fi
9933c305
CB		 2374fi
2375
9ffed426
PB		 2376#######################################
2377# generate config-host.mak
2378
11cde1c8
BD		 2379# Check that the C++ compiler exists and works with the C compiler.
2380# All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added.
2381if has $cxx; then
2382 cat > $TMPC <<EOF
2383int c_function(void);
2384int main(void) { return c_function(); }
2385EOF
2386
2387 compile_object
2388
2389 cat > $TMPCXX <<EOF
2390extern "C" {
2391 int c_function(void);
2392}
2393int c_function(void) { return 42; }
2394EOF
2395
2396 update_cxxflags
2397
a2866660 2398 if do_cxx $CXXFLAGS $EXTRA_CXXFLAGS $CONFIGURE_CXXFLAGS $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then
11cde1c8
BD		 2399 # C++ compiler $cxx works ok with C compiler $cc
2400 :
2401 else
2402 echo "C++ compiler $cxx does not work with C compiler $cc"
2403 echo "Disabling C++ specific optional code"
2404 cxx=
2405 fi
2406else
2407 echo "No C++ compiler available; disabling C++ specific optional code"
2408 cxx=
2409fi
2410
35a7a6fc 2411if ! (GIT="$git" "$source_path/scripts/git-submodule.sh" "$git_submodules_action" "$git_submodules"); then
7d7dbf9d 2412 exit 1
5d91a2ed 2413fi
5d91a2ed 2414
98ec69ac 2415config_host_mak="config-host.mak"
98ec69ac 2416
98ec69ac 2417echo "# Automatically generated by configure - do not modify" > $config_host_mak
98ec69ac 2418echo >> $config_host_mak
98ec69ac 2419
e6c3b0f7 2420echo all: >> $config_host_mak
cc84d63a 2421echo "GIT=$git" >> $config_host_mak
aef45d51 2422echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
7d7dbf9d 2423echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_host_mak
804edf29 2424
f8393946 2425if test "$debug_tcg" = "yes" ; then
2358a494 2426 echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
f8393946 2427fi
67b915a5 2428if test "$mingw32" = "yes" ; then
98ec69ac 2429 echo "CONFIG_WIN32=y" >> $config_host_mak
b846ab7c
PB		 2430 echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
2431 echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
2432 echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
210fa556 2433else
35f4df27 2434 echo "CONFIG_POSIX=y" >> $config_host_mak
dffcb71c
MM		 2435fi
2436
2437if test "$linux" = "yes" ; then
2438 echo "CONFIG_LINUX=y" >> $config_host_mak
67b915a5 2439fi
128ab2ff 2440
83fb7adf 2441if test "$darwin" = "yes" ; then
98ec69ac 2442 echo "CONFIG_DARWIN=y" >> $config_host_mak
83fb7adf 2443fi
b29fe3ed 2444
ec530c81 2445if test "$solaris" = "yes" ; then
98ec69ac 2446 echo "CONFIG_SOLARIS=y" >> $config_host_mak
ec530c81 2447fi
97a847bc 2448if test "$static" = "yes" ; then
98ec69ac 2449 echo "CONFIG_STATIC=y" >> $config_host_mak
7d13299d 2450fi
98ec69ac 2451echo "SRC_PATH=$source_path" >> $config_host_mak
2b1f35b9 2452echo "TARGET_DIRS=$target_list" >> $config_host_mak
17969268
FZ		 2453if test "$modules" = "yes"; then
2454 echo "CONFIG_MODULES=y" >> $config_host_mak
2455fi
277abf15 2456
83fb7adf 2457# XXX: suppress that
7d3505c5 2458if [ "$bsd" = "yes" ] ; then
2358a494 2459 echo "CONFIG_BSD=y" >> $config_host_mak
7d3505c5
FB		 2460fi
2461
7c2acc70 2462echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
7d992e4d 2463
d83414e1
MAL		 2464if test "$have_asan_iface_fiber" = "yes" ; then
2465 echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak
2466fi
2467
0aebab04
LY		 2468if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then
2469 echo "CONFIG_TSAN=y" >> $config_host_mak
2470fi
2471
40e8c6f4
AB		 2472if test "$plugins" = "yes" ; then
2473 echo "CONFIG_PLUGIN=y" >> $config_host_mak
40e8c6f4
AB		 2474fi
2475
b1863ccc
AB		 2476if test -n "$gdb_bin"; then
2477 gdb_version=$($gdb_bin --version | head -n 1)
d6a66c81 2478 if version_ge ${gdb_version##* } 9.1; then
b1863ccc
AB		 2479 echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
2480 fi
f48e590a
AB		 2481fi
2482
98ec69ac 2483echo "ROMS=$roms" >> $config_host_mak
804edf29 2484echo "MAKE=$make" >> $config_host_mak
c886edfb 2485echo "PYTHON=$python" >> $config_host_mak
39d87c8c 2486echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
a5665051 2487echo "MESON=$meson" >> $config_host_mak
09e93326 2488echo "NINJA=$ninja" >> $config_host_mak
804edf29 2489echo "CC=$cc" >> $config_host_mak
a558ee17 2490echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
11cde1c8 2491echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
4cb37d11 2492echo "QEMU_OBJCFLAGS=$QEMU_OBJCFLAGS" >> $config_host_mak
a81df1b6
PB		 2493echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
2494echo "GLIB_LIBS=$glib_libs" >> $config_host_mak
5b9e7d05 2495echo "GLIB_BINDIR=$glib_bindir" >> $config_host_mak
d83acfd0 2496echo "GLIB_VERSION=$(pkg-config --modversion glib-2.0)" >> $config_host_mak
8a99e9a3 2497echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
804edf29 2498echo "EXESUF=$EXESUF" >> $config_host_mak
804edf29 2499
6efd7517
PM		 2500# use included Linux headers
2501if test "$linux" = "yes" ; then
a307beb6 2502 mkdir -p linux-headers
6efd7517 2503 case "$cpu" in
4da270be 2504 i386|x86_64)
08312a63 2505 linux_arch=x86
6efd7517 2506 ;;
d8ff892d 2507 ppc|ppc64)
08312a63 2508 linux_arch=powerpc
6efd7517
PM		 2509 ;;
2510 s390x)
08312a63
PM		 2511 linux_arch=s390
2512 ;;
1f080313
CF		 2513 aarch64)
2514 linux_arch=arm64
2515 ;;
dfcf900b
WX		 2516 loongarch*)
2517 linux_arch=loongarch
2518 ;;
222e7d11
SL		 2519 mips64)
2520 linux_arch=mips
2521 ;;
08312a63
PM		 2522 *)
2523 # For most CPUs the kernel architecture name and QEMU CPU name match.
2524 linux_arch="$cpu"
6efd7517
PM		 2525 ;;
2526 esac
08312a63
PM		 2527 # For non-KVM architectures we will not have asm headers
2528 if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
2529 symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
2530 fi
6efd7517
PM		 2531fi
2532
1d14ffa9 2533for target in $target_list; do
fdb75aef 2534 target_dir="$target"
57a93f16 2535 target_name=$(echo $target | cut -d '-' -f 1)$EXESUF
64708615 2536 mkdir -p "$target_dir"
fdb75aef
PB		 2537 case $target in
2538 *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;;
2539 *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;;
2540 esac
2541done
7d13299d 2542
fdb75aef
PB		 2543if test "$default_targets" = "yes"; then
2544 echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak
2545fi
a540f158 2546
fd0e6053
JS		 2547if test "$ccache_cpp2" = "yes"; then
2548 echo "export CCACHE_CPP2=y" >> $config_host_mak
2549fi
2550
1e4f6065
DB		 2551if test "$safe_stack" = "yes"; then
2552 echo "CONFIG_SAFESTACK=y" >> $config_host_mak
2553fi
2554
cd362def
PB		 2555# tests/tcg configuration
2556(makefile=tests/tcg/Makefile.prereqs
2557echo "# Automatically generated by configure - do not modify" > $makefile
2558
2559config_host_mak=tests/tcg/config-host.mak
2560echo "# Automatically generated by configure - do not modify" > $config_host_mak
2561echo "SRC_PATH=$source_path" >> $config_host_mak
2562echo "HOST_CC=$host_cc" >> $config_host_mak
2563
2564tcg_tests_targets=
2565for target in $target_list; do
2566 arch=${target%%-*}
2567
cd362def
PB		 2568 config_target_mak=tests/tcg/config-$target.mak
2569
2570 echo "# Automatically generated by configure - do not modify" > $config_target_mak
64708615 2571 echo "TARGET_NAME=$arch" >> "$config_target_mak"
cd362def 2572 case $target in
c48a5c47
PB		 2573 xtensa*-linux-user)
2574 # the toolchain is not complete with headers, only build softmmu tests
2575 continue
2576 ;;
cd362def 2577 *-softmmu)
64708615 2578 test -f "$source_path/tests/tcg/$arch/Makefile.softmmu-target" || continue
cd362def
PB		 2579 qemu="qemu-system-$arch"
2580 ;;
2581 *-linux-user|*-bsd-user)
2582 qemu="qemu-$arch"
2583 ;;
2584 esac
2585
52f08dea 2586 probe_target_compiler $target
cd362def
PB		 2587 if test $got_cross_cc = yes; then
2588 # Test for compiler features for optional tests. We only do this
2589 # for cross compilers because ensuring the docker containers based
2590 # compilers is a requirememt for adding a new test that needs a
2591 # compiler feature.
2592
64708615
PM		 2593 echo "BUILD_STATIC=$build_static" >> "$config_target_mak"
2594 write_target_makefile >> "$config_target_mak"
cd362def
PB		 2595 case $target in
2596 aarch64-*)
2597 if do_compiler "$target_cc" $target_cflags \
2598 -march=armv8.1-a+sve -o $TMPE $TMPC; then
64708615 2599 echo "CROSS_CC_HAS_SVE=y" >> "$config_target_mak"
cd362def
PB		 2600 fi
2601 if do_compiler "$target_cc" $target_cflags \
2602 -march=armv8.1-a+sve2 -o $TMPE $TMPC; then
64708615 2603 echo "CROSS_CC_HAS_SVE2=y" >> "$config_target_mak"
cd362def
PB		 2604 fi
2605 if do_compiler "$target_cc" $target_cflags \
2606 -march=armv8.3-a -o $TMPE $TMPC; then
64708615 2607 echo "CROSS_CC_HAS_ARMV8_3=y" >> "$config_target_mak"
cd362def
PB		 2608 fi
2609 if do_compiler "$target_cc" $target_cflags \
2610 -mbranch-protection=standard -o $TMPE $TMPC; then
64708615 2611 echo "CROSS_CC_HAS_ARMV8_BTI=y" >> "$config_target_mak"
cd362def
PB		 2612 fi
2613 if do_compiler "$target_cc" $target_cflags \
2614 -march=armv8.5-a+memtag -o $TMPE $TMPC; then
64708615 2615 echo "CROSS_CC_HAS_ARMV8_MTE=y" >> "$config_target_mak"
cd362def
PB		 2616 fi
2617 ;;
2618 ppc*)
2619 if do_compiler "$target_cc" $target_cflags \
2620 -mpower8-vector -o $TMPE $TMPC; then
64708615 2621 echo "CROSS_CC_HAS_POWER8_VECTOR=y" >> "$config_target_mak"
cd362def
PB		 2622 fi
2623 if do_compiler "$target_cc" $target_cflags \
2624 -mpower10 -o $TMPE $TMPC; then
64708615 2625 echo "CROSS_CC_HAS_POWER10=y" >> "$config_target_mak"
cd362def
PB		 2626 fi
2627 ;;
2628 i386-linux-user)
2629 if do_compiler "$target_cc" $target_cflags \
2630 -Werror -fno-pie -o $TMPE $TMPC; then
64708615 2631 echo "CROSS_CC_HAS_I386_NOPIE=y" >> "$config_target_mak"
cd362def
PB		 2632 fi
2633 ;;
2634 esac
2635 elif test -n "$container_image"; then
2636 echo "build-tcg-tests-$target: docker-image-$container_image" >> $makefile
64708615
PM		 2637 echo "BUILD_STATIC=y" >> "$config_target_mak"
2638 write_container_target_makefile >> "$config_target_mak"
cd362def
PB		 2639 case $target in
2640 aarch64-*)
64708615
PM		 2641 echo "CROSS_CC_HAS_SVE=y" >> "$config_target_mak"
2642 echo "CROSS_CC_HAS_SVE2=y" >> "$config_target_mak"
2643 echo "CROSS_CC_HAS_ARMV8_3=y" >> "$config_target_mak"
2644 echo "CROSS_CC_HAS_ARMV8_BTI=y" >> "$config_target_mak"
2645 echo "CROSS_CC_HAS_ARMV8_MTE=y" >> "$config_target_mak"
cd362def
PB		 2646 ;;
2647 ppc*)
64708615
PM		 2648 echo "CROSS_CC_HAS_POWER8_VECTOR=y" >> "$config_target_mak"
2649 echo "CROSS_CC_HAS_POWER10=y" >> "$config_target_mak"
cd362def
PB		 2650 ;;
2651 i386-linux-user)
64708615 2652 echo "CROSS_CC_HAS_I386_NOPIE=y" >> "$config_target_mak"
cd362def
PB		 2653 ;;
2654 esac
2655 got_cross_cc=yes
2656 fi
2657 if test $got_cross_cc = yes; then
2658 mkdir -p tests/tcg/$target
64708615 2659 echo "QEMU=$PWD/$qemu" >> "$config_target_mak"
cd362def
PB		 2660 echo "run-tcg-tests-$target: $qemu\$(EXESUF)" >> $makefile
2661 tcg_tests_targets="$tcg_tests_targets $target"
2662 fi
2038f8c8 2663done
cd362def 2664echo "TCG_TESTS_TARGETS=$tcg_tests_targets" >> $makefile)
2038f8c8 2665
a5665051 2666if test "$skip_meson" = no; then
d77e90fa
PB		 2667 cross="config-meson.cross.new"
2668 meson_quote() {
ac7ebcc5 2669 test $# = 0 && return
47b30835 2670 echo "'$(echo $* | sed "s/ /','/g")'"
d77e90fa
PB		 2671 }
2672
2673 echo "# Automatically generated by configure - do not modify" > $cross
2674 echo "[properties]" >> $cross
d1d5e9ee
AB		 2675
2676 # unroll any custom device configs
11bdcfcd
AB		 2677 for a in $device_archs; do
2678 eval "c=\$devices_${a}"
2679 echo "${a}-softmmu = '$c'" >> $cross
2680 done
d1d5e9ee 2681
d77e90fa
PB		 2682 test -z "$cxx" && echo "link_language = 'c'" >> $cross
2683 echo "[built-in options]" >> $cross
a2866660
PB		 2684 echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross
2685 echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross
e910c7d9 2686 test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross
a2866660
PB		 2687 echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross
2688 echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross
d77e90fa 2689 echo "[binaries]" >> $cross
4dba2789
PB		 2690 echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross
2691 test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross
2692 test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross
d77e90fa
PB		 2693 echo "ar = [$(meson_quote $ar)]" >> $cross
2694 echo "nm = [$(meson_quote $nm)]" >> $cross
2695 echo "pkgconfig = [$(meson_quote $pkg_config_exe)]" >> $cross
2696 echo "ranlib = [$(meson_quote $ranlib)]" >> $cross
2697 if has $sdl2_config; then
2698 echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross
2699 fi
2700 echo "strip = [$(meson_quote $strip)]" >> $cross
158bb224 2701 echo "widl = [$(meson_quote $widl)]" >> $cross
d77e90fa
PB		 2702 echo "windres = [$(meson_quote $windres)]" >> $cross
2703 if test "$cross_compile" = "yes"; then
fc929892 2704 cross_arg="--cross-file config-meson.cross"
fc929892 2705 echo "[host_machine]" >> $cross
ba7c60c2 2706 echo "system = '$targetos'" >> $cross
823eb013 2707 case "$cpu" in
f6bca9df 2708 i386)
fc929892
MAL		 2709 echo "cpu_family = 'x86'" >> $cross
2710 ;;
fc929892 2711 *)
823eb013 2712 echo "cpu_family = '$cpu'" >> $cross
fc929892
MAL		 2713 ;;
2714 esac
2715 echo "cpu = '$cpu'" >> $cross
2716 if test "$bigendian" = "yes" ; then
2717 echo "endian = 'big'" >> $cross
2718 else
2719 echo "endian = 'little'" >> $cross
2720 fi
d77e90fa 2721 else
fc929892 2722 cross_arg="--native-file config-meson.cross"
d77e90fa
PB		 2723 fi
2724 mv $cross config-meson.cross
fc929892 2725
d77e90fa 2726 rm -rf meson-private meson-info meson-logs
0a31e3a0
PB		 2727
2728 # Built-in options
2729 test "$bindir" != "bin" && meson_option_add "-Dbindir=$bindir"
2730 test "$default_feature" = no && meson_option_add -Dauto_features=disabled
2731 test "$pie" = no && meson_option_add -Db_pie=false
2732 test "$werror" = yes && meson_option_add -Dwerror=true
2733
2734 # QEMU options
0a31e3a0
PB		 2735 test "$cfi" != false && meson_option_add "-Dcfi=$cfi"
2736 test "$fdt" != auto && meson_option_add "-Dfdt=$fdt"
2737 test -n "${LIB_FUZZING_ENGINE+xxx}" && meson_option_add "-Dfuzzing_engine=$LIB_FUZZING_ENGINE"
2738 test "$qemu_suffix" != qemu && meson_option_add "-Dqemu_suffix=$qemu_suffix"
2739 test "$slirp" != auto && meson_option_add "-Dslirp=$slirp"
2740 test "$smbd" != '' && meson_option_add "-Dsmbd=$smbd"
2741 test "$tcg" != enabled && meson_option_add "-Dtcg=$tcg"
55116968 2742 test "$vfio_user_server" != auto && meson_option_add "-Dvfio_user_server=$vfio_user_server"
61d63097 2743 run_meson() {
0a31e3a0 2744 NINJA=$ninja $meson setup --prefix "$prefix" "$@" $cross_arg "$PWD" "$source_path"
61d63097
PB		 2745 }
2746 eval run_meson $meson_options
d77e90fa
PB		 2747 if test "$?" -ne 0 ; then
2748 error_exit "meson setup failed"
2749 fi
699d3884
PB		 2750else
2751 if test -f meson-private/cmd_line.txt; then
2752 # Adjust old command line options whose type was changed
2753 # Avoids having to use "setup --wipe" when Meson is upgraded
2754 perl -i -ne '
2755 s/^gettext = true$/gettext = auto/;
2756 s/^gettext = false$/gettext = disabled/;
654d6b04 2757 /^b_staticpic/ && next;
699d3884
PB		 2758 print;' meson-private/cmd_line.txt
2759 fi
a5665051
PB		 2760fi
2761
dc655404
MT		 2762# Save the configure command line for later reuse.
2763cat <<EOD >config.status
2764#!/bin/sh
2765# Generated by configure.
2766# Run this file to recreate the current configuration.
2767# Compiler output produced by configure, useful for debugging
2768# configure, is in config.log if it exists.
2769EOD
e811da7f
DB		 2770
2771preserve_env() {
2772 envname=$1
2773
2774 eval envval=\$$envname
2775
2776 if test -n "$envval"
2777 then
2778 echo "$envname='$envval'" >> config.status
2779 echo "export $envname" >> config.status
2780 else
2781 echo "unset $envname" >> config.status
2782 fi
2783}
2784
2785# Preserve various env variables that influence what
2786# features/build target configure will detect
2787preserve_env AR
2788preserve_env AS
2789preserve_env CC
8009da03 2790preserve_env CFLAGS
e811da7f 2791preserve_env CXX
8009da03 2792preserve_env CXXFLAGS
e811da7f 2793preserve_env LD
8009da03 2794preserve_env LDFLAGS
e811da7f 2795preserve_env LD_LIBRARY_PATH
e811da7f
DB		 2796preserve_env MAKE
2797preserve_env NM
b5569e5b 2798preserve_env OBJCFLAGS
e811da7f
DB		 2799preserve_env OBJCOPY
2800preserve_env PATH
2801preserve_env PKG_CONFIG
2802preserve_env PKG_CONFIG_LIBDIR
2803preserve_env PKG_CONFIG_PATH
2804preserve_env PYTHON
e811da7f
DB		 2805preserve_env SDL2_CONFIG
2806preserve_env SMBD
2807preserve_env STRIP
158bb224 2808preserve_env WIDL
e811da7f
DB		 2809preserve_env WINDRES
2810
dc655404 2811printf "exec" >>config.status
a5665051 2812for i in "$0" "$@"; do
835af899 2813 test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status
a5665051 2814done
cf7cc929 2815echo ' "$@"' >>config.status
dc655404
MT		 2816chmod +x config.status
2817
8cd05ab6 2818rm -r "$TMPDIR1"
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