]> git.proxmox.com Git - mirror_qemu.git/blob - configure
block: Mark bdrv_filter_or_cow_bs() and callers GRAPH_RDLOCK
[mirror_qemu.git] / configure
1 #!/bin/sh
2 #
3 # qemu configure script (c) 2003 Fabrice Bellard
4 #
5
6 # Unset some variables known to interfere with behavior of common tools,
7 # just as autoconf does. Unlike autoconf, we assume that unset exists.
8 unset CLICOLOR_FORCE GREP_OPTIONS BASH_ENV ENV MAIL MAILPATH CDPATH
9
10 # Don't allow CCACHE, if present, to use cached results of compile tests!
11 export CCACHE_RECACHE=yes
12
13 # make source path absolute
14 source_path=$(cd "$(dirname -- "$0")"; pwd)
15
16 if test "$PWD" = "$source_path"
17 then
18 echo "Using './build' as the directory for build output"
19
20 MARKER=build/auto-created-by-configure
21
22 if test -e build
23 then
24 if test -f $MARKER
25 then
26 rm -rf build
27 else
28 echo "ERROR: ./build dir already exists and was not previously created by configure"
29 exit 1
30 fi
31 fi
32
33 if ! mkdir build || ! touch $MARKER
34 then
35 echo "ERROR: Could not create ./build directory. Check the permissions on"
36 echo "your source directory, or try doing an out-of-tree build."
37 exit 1
38 fi
39
40 cat > GNUmakefile <<'EOF'
41 # This file is auto-generated by configure to support in-source tree
42 # 'make' command invocation
43
44 ifeq ($(MAKECMDGOALS),)
45 recurse: all
46 endif
47
48 .NOTPARALLEL: %
49 %: force
50 @echo 'changing dir to build for $(MAKE) "$(MAKECMDGOALS)"...'
51 @$(MAKE) -C build -f Makefile $(MAKECMDGOALS)
52 @if test "$(MAKECMDGOALS)" = "distclean" && \
53 test -e build/auto-created-by-configure ; \
54 then \
55 rm -rf build GNUmakefile ; \
56 fi
57 force: ;
58 .PHONY: force
59 GNUmakefile: ;
60
61 EOF
62 cd build
63 exec "$source_path/configure" "$@"
64 fi
65
66 # Temporary directory used for files created while
67 # configure runs. Since it is in the build directory
68 # we can safely blow away any previous version of it
69 # (and we need not jump through hoops to try to delete
70 # it when configure exits.)
71 TMPDIR1="config-temp"
72 rm -rf "${TMPDIR1}"
73 if ! mkdir -p "${TMPDIR1}"; then
74 echo "ERROR: failed to create temporary directory"
75 exit 1
76 fi
77
78 TMPB="qemu-conf"
79 TMPC="${TMPDIR1}/${TMPB}.c"
80 TMPO="${TMPDIR1}/${TMPB}.o"
81 TMPE="${TMPDIR1}/${TMPB}.exe"
82
83 rm -f config.log
84
85 # Print a helpful header at the top of config.log
86 echo "# QEMU configure log $(date)" >> config.log
87 printf "# Configured with:" >> config.log
88 # repeat the invocation to log and stdout for CI
89 invoke=$(printf " '%s'" "$0" "$@")
90 test -n "$GITLAB_CI" && echo "configuring with: $invoke"
91 { echo "$invoke"; echo; echo "#"; } >> config.log
92
93 quote_sh() {
94 printf "%s" "$1" | sed "s,','\\\\'',g; s,.*,'&',"
95 }
96
97 error_exit() {
98 (echo
99 echo "ERROR: $1"
100 while test -n "$2"; do
101 echo " $2"
102 shift
103 done
104 echo) >&2
105 exit 1
106 }
107
108 do_compiler() {
109 # Run the compiler, capturing its output to the log. First argument
110 # is compiler binary to execute.
111 compiler="$1"
112 shift
113 if test -n "$BASH_VERSION"; then eval '
114 echo >>config.log "
115 funcs: ${FUNCNAME[*]}
116 lines: ${BASH_LINENO[*]}"
117 '; fi
118 echo $compiler "$@" >> config.log
119 $compiler "$@" >> config.log 2>&1 || return $?
120 }
121
122 do_cc() {
123 do_compiler "$cc" $CPU_CFLAGS "$@"
124 }
125
126 compile_object() {
127 local_cflags="$1"
128 do_cc $CFLAGS $EXTRA_CFLAGS $local_cflags -c -o $TMPO $TMPC
129 }
130
131 compile_prog() {
132 local_cflags="$1"
133 local_ldflags="$2"
134 do_cc $CFLAGS $EXTRA_CFLAGS $local_cflags -o $TMPE $TMPC \
135 $LDFLAGS $EXTRA_LDFLAGS $local_ldflags
136 }
137
138 # symbolically link $1 to $2. Portable version of "ln -sf".
139 symlink() {
140 rm -rf "$2"
141 mkdir -p "$(dirname "$2")"
142 ln -s "$1" "$2"
143 }
144
145 # check whether a command is available to this shell (may be either an
146 # executable or a builtin)
147 has() {
148 type "$1" >/dev/null 2>&1
149 }
150
151 version_ge () {
152 local_ver1=$(expr "$1" : '\([0-9.]*\)' | tr . ' ')
153 local_ver2=$(echo "$2" | tr . ' ')
154 while true; do
155 set x $local_ver1
156 local_first=${2-0}
157 # 'shift 2' if $2 is set, or 'shift' if $2 is not set
158 shift ${2:+2}
159 local_ver1=$*
160 set x $local_ver2
161 # the second argument finished, the first must be greater or equal
162 test $# = 1 && return 0
163 test $local_first -lt $2 && return 1
164 test $local_first -gt $2 && return 0
165 shift ${2:+2}
166 local_ver2=$*
167 done
168 }
169
170 if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
171 then
172 error_exit "main directory cannot contain spaces nor colons"
173 fi
174
175 # parse CC options first; some compiler tests are used to establish
176 # some defaults, based on the host environment
177
178 # default parameters
179 container_engine="auto"
180 cpu=""
181 cross_compile="no"
182 cross_prefix=""
183 host_cc="cc"
184 EXTRA_CFLAGS=""
185 EXTRA_CXXFLAGS=""
186 EXTRA_OBJCFLAGS=""
187 EXTRA_LDFLAGS=""
188
189 # Default value for a variable defining feature "foo".
190 # * foo="no" feature will only be used if --enable-foo arg is given
191 # * foo="" feature will be searched for, and if found, will be used
192 # unless --disable-foo is given
193 # * foo="yes" this value will only be set by --enable-foo flag.
194 # feature will searched for,
195 # if not found, configure exits with error
196 #
197 # Always add --enable-foo and --disable-foo command line args.
198 # Distributions want to ensure that several features are compiled in, and it
199 # is impossible without a --enable-foo that exits if a feature is not found.
200 default_feature=""
201
202 for opt do
203 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
204 case "$opt" in
205 --cross-prefix=*) cross_prefix="$optarg"
206 cross_compile="yes"
207 ;;
208 --cc=*) CC="$optarg"
209 ;;
210 --cxx=*) CXX="$optarg"
211 ;;
212 --objcc=*) objcc="$optarg"
213 ;;
214 --cpu=*) cpu="$optarg"
215 ;;
216 --extra-cflags=*)
217 EXTRA_CFLAGS="$EXTRA_CFLAGS $optarg"
218 EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
219 EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
220 ;;
221 --extra-cxxflags=*) EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
222 ;;
223 --extra-objcflags=*) EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
224 ;;
225 --extra-ldflags=*) EXTRA_LDFLAGS="$EXTRA_LDFLAGS $optarg"
226 ;;
227 --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
228 ;;
229 --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-cflags-}; cc_arch=${cc_arch%%=*}
230 eval "cross_cc_cflags_${cc_arch}=\$optarg"
231 ;;
232 --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
233 eval "cross_cc_${cc_arch}=\$optarg"
234 ;;
235 --cross-prefix-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-prefix-FOO option"
236 ;;
237 --cross-prefix-*) cc_arch=${opt#--cross-prefix-}; cc_arch=${cc_arch%%=*}
238 eval "cross_prefix_${cc_arch}=\$optarg"
239 ;;
240 --without-default-features) default_feature="no"
241 ;;
242 esac
243 done
244
245 default_cflags='-O2 -g'
246 git_submodules_action="update"
247 docs="auto"
248 EXESUF=""
249 system="yes"
250 linux_user=""
251 bsd_user=""
252 plugins="$default_feature"
253 subdirs=""
254 ninja=""
255 python=
256 download="enabled"
257 skip_meson=no
258 use_containers="yes"
259 gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
260 gdb_arches=""
261
262 # Don't accept a target_list environment variable.
263 unset target_list
264 unset target_list_exclude
265
266 # The following Meson options are handled manually (still they
267 # are included in the automatically generated help message)
268 # because they automatically enable/disable other options
269 tcg="auto"
270 cfi="false"
271
272 # Meson has PIE as a boolean rather than enabled/disabled/auto,
273 # and we also need to check for -static-pie before Meson runs
274 # which requires knowing whether --static is enabled.
275 pie=""
276 static="no"
277
278 # Preferred compiler:
279 # ${CC} (if set)
280 # ${cross_prefix}gcc (if cross-prefix specified)
281 # system compiler
282 if test -z "${CC}${cross_prefix}"; then
283 cc="cc"
284 else
285 cc="${CC-${cross_prefix}gcc}"
286 fi
287
288 if test -z "${CXX}${cross_prefix}"; then
289 cxx="c++"
290 else
291 cxx="${CXX-${cross_prefix}g++}"
292 fi
293
294 # Preferred ObjC compiler:
295 # $objcc (if set, i.e. via --objcc option)
296 # ${cross_prefix}clang (if cross-prefix specified)
297 # clang (if available)
298 # $cc
299 if test -z "${objcc}${cross_prefix}"; then
300 if has clang; then
301 objcc=clang
302 else
303 objcc="$cc"
304 fi
305 else
306 objcc="${objcc-${cross_prefix}clang}"
307 fi
308
309 ar="${AR-${cross_prefix}ar}"
310 as="${AS-${cross_prefix}as}"
311 ccas="${CCAS-$cc}"
312 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
313 ld="${LD-${cross_prefix}ld}"
314 ranlib="${RANLIB-${cross_prefix}ranlib}"
315 nm="${NM-${cross_prefix}nm}"
316 strip="${STRIP-${cross_prefix}strip}"
317 widl="${WIDL-${cross_prefix}widl}"
318 windres="${WINDRES-${cross_prefix}windres}"
319 windmc="${WINDMC-${cross_prefix}windmc}"
320 pkg_config="${PKG_CONFIG-${cross_prefix}pkg-config}"
321 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
322
323 check_define() {
324 cat > $TMPC <<EOF
325 #if !defined($1)
326 #error $1 not defined
327 #endif
328 int main(void) { return 0; }
329 EOF
330 compile_object
331 }
332
333 write_c_skeleton() {
334 cat > $TMPC <<EOF
335 int main(void) { return 0; }
336 EOF
337 }
338
339 if check_define __linux__ ; then
340 targetos=linux
341 elif check_define _WIN32 ; then
342 targetos=windows
343 elif check_define __OpenBSD__ ; then
344 targetos=openbsd
345 elif check_define __sun__ ; then
346 targetos=sunos
347 elif check_define __HAIKU__ ; then
348 targetos=haiku
349 elif check_define __FreeBSD__ ; then
350 targetos=freebsd
351 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
352 targetos=gnu/kfreebsd
353 elif check_define __DragonFly__ ; then
354 targetos=dragonfly
355 elif check_define __NetBSD__; then
356 targetos=netbsd
357 elif check_define __APPLE__; then
358 targetos=darwin
359 else
360 # This is a fatal error, but don't report it yet, because we
361 # might be going to just print the --help text, or it might
362 # be the result of a missing compiler.
363 targetos=bogus
364 fi
365
366 if test ! -z "$cpu" ; then
367 # command line argument
368 :
369 elif check_define __i386__ ; then
370 cpu="i386"
371 elif check_define __x86_64__ ; then
372 if check_define __ILP32__ ; then
373 cpu="x32"
374 else
375 cpu="x86_64"
376 fi
377 elif check_define __sparc__ ; then
378 if check_define __arch64__ ; then
379 cpu="sparc64"
380 else
381 cpu="sparc"
382 fi
383 elif check_define _ARCH_PPC ; then
384 if check_define _ARCH_PPC64 ; then
385 if check_define _LITTLE_ENDIAN ; then
386 cpu="ppc64le"
387 else
388 cpu="ppc64"
389 fi
390 else
391 cpu="ppc"
392 fi
393 elif check_define __mips__ ; then
394 cpu="mips"
395 elif check_define __s390__ ; then
396 if check_define __s390x__ ; then
397 cpu="s390x"
398 else
399 cpu="s390"
400 fi
401 elif check_define __riscv ; then
402 if check_define _LP64 ; then
403 cpu="riscv64"
404 else
405 cpu="riscv32"
406 fi
407 elif check_define __arm__ ; then
408 cpu="arm"
409 elif check_define __aarch64__ ; then
410 cpu="aarch64"
411 elif check_define __loongarch64 ; then
412 cpu="loongarch64"
413 else
414 # Using uname is really broken, but it is just a fallback for architectures
415 # that are going to use TCI anyway
416 cpu=$(uname -m)
417 echo "WARNING: unrecognized host CPU, proceeding with 'uname -m' output '$cpu'"
418 fi
419
420 # Normalise host CPU name to the values used by Meson cross files and in source
421 # directories, and set multilib cflags. The canonicalization isn't really
422 # necessary, because the architectures that we check for should not hit the
423 # 'uname -m' case, but better safe than sorry in case --cpu= is used.
424 #
425 # Note that this case should only have supported host CPUs, not guests.
426 # Please keep it sorted and synchronized with meson.build's host_arch.
427 host_arch=
428 linux_arch=
429 case "$cpu" in
430 aarch64)
431 host_arch=aarch64
432 linux_arch=arm64
433 ;;
434
435 armv*b|armv*l|arm)
436 cpu=arm
437 host_arch=arm
438 linux_arch=arm
439 ;;
440
441 i386|i486|i586|i686)
442 cpu="i386"
443 host_arch=i386
444 linux_arch=x86
445 CPU_CFLAGS="-m32"
446 ;;
447
448 loongarch*)
449 cpu=loongarch64
450 host_arch=loongarch64
451 ;;
452
453 mips64*)
454 cpu=mips64
455 host_arch=mips
456 linux_arch=mips
457 ;;
458 mips*)
459 cpu=mips
460 host_arch=mips
461 linux_arch=mips
462 ;;
463
464 ppc)
465 host_arch=ppc
466 linux_arch=powerpc
467 CPU_CFLAGS="-m32"
468 ;;
469 ppc64)
470 host_arch=ppc64
471 linux_arch=powerpc
472 CPU_CFLAGS="-m64 -mbig-endian"
473 ;;
474 ppc64le)
475 cpu=ppc64
476 host_arch=ppc64
477 linux_arch=powerpc
478 CPU_CFLAGS="-m64 -mlittle-endian"
479 ;;
480
481 riscv32 | riscv64)
482 host_arch=riscv
483 linux_arch=riscv
484 ;;
485
486 s390)
487 linux_arch=s390
488 CPU_CFLAGS="-m31"
489 ;;
490 s390x)
491 host_arch=s390x
492 linux_arch=s390
493 CPU_CFLAGS="-m64"
494 ;;
495
496 sparc|sun4[cdmuv])
497 cpu=sparc
498 CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
499 ;;
500 sparc64)
501 host_arch=sparc64
502 CPU_CFLAGS="-m64 -mcpu=ultrasparc"
503 ;;
504
505 x32)
506 cpu="x86_64"
507 host_arch=x86_64
508 linux_arch=x86
509 CPU_CFLAGS="-mx32"
510 ;;
511 x86_64|amd64)
512 cpu="x86_64"
513 host_arch=x86_64
514 linux_arch=x86
515 # ??? Only extremely old AMD cpus do not have cmpxchg16b.
516 # If we truly care, we should simply detect this case at
517 # runtime and generate the fallback to serial emulation.
518 CPU_CFLAGS="-m64 -mcx16"
519 ;;
520 esac
521
522 if test -n "$host_arch" && {
523 ! test -d "$source_path/linux-user/include/host/$host_arch" ||
524 ! test -d "$source_path/common-user/host/$host_arch"; }; then
525 error_exit "linux-user/include/host/$host_arch does not exist." \
526 "This is a bug in the configure script, please report it."
527 fi
528 if test -n "$linux_arch" && ! test -d "$source_path/linux-headers/asm-$linux_arch"; then
529 error_exit "linux-headers/asm-$linux_arch does not exist." \
530 "This is a bug in the configure script, please report it."
531 fi
532
533 check_py_version() {
534 # We require python >= 3.8.
535 # NB: a True python conditional creates a non-zero return code (Failure)
536 "$1" -c 'import sys; sys.exit(sys.version_info < (3,8))'
537 }
538
539 first_python=
540 if test -z "${PYTHON}"; then
541 # A bare 'python' is traditionally python 2.x, but some distros
542 # have it as python 3.x, so check in both places.
543 for binary in python3 python python3.12 python3.11 \
544 python3.10 python3.9 python3.8; do
545 if has "$binary"; then
546 python=$(command -v "$binary")
547 if check_py_version "$python"; then
548 # This one is good.
549 first_python=
550 break
551 else
552 first_python=$python
553 fi
554 fi
555 done
556 else
557 # Same as above, but only check the environment variable.
558 has "${PYTHON}" || error_exit "The PYTHON environment variable does not point to an executable"
559 python=$(command -v "$PYTHON")
560 if check_py_version "$python"; then
561 # This one is good.
562 first_python=
563 else
564 first_python=$first_python
565 fi
566 fi
567
568 # Check for ancillary tools used in testing
569 genisoimage=
570 for binary in genisoimage mkisofs
571 do
572 if has $binary
573 then
574 genisoimage=$(command -v "$binary")
575 break
576 fi
577 done
578
579 if test "$targetos" = "windows" ; then
580 EXESUF=".exe"
581 fi
582
583 meson_option_build_array() {
584 printf '['
585 (if test "$targetos" = windows; then
586 IFS=\;
587 else
588 IFS=:
589 fi
590 for e in $1; do
591 printf '"""'
592 # backslash escape any '\' and '"' characters
593 printf "%s" "$e" | sed -e 's/\([\"]\)/\\\1/g'
594 printf '""",'
595 done)
596 printf ']\n'
597 }
598
599 . "$source_path/scripts/meson-buildoptions.sh"
600
601 meson_options=
602 meson_option_add() {
603 local arg
604 for arg; do
605 meson_options="$meson_options $(quote_sh "$arg")"
606 done
607 }
608 meson_option_parse() {
609 meson_options="$meson_options $(_meson_option_parse "$@")"
610 if test $? -eq 1; then
611 echo "ERROR: unknown option $1"
612 echo "Try '$0 --help' for more information"
613 exit 1
614 fi
615 }
616
617 meson_add_machine_file() {
618 if test "$cross_compile" = "yes"; then
619 meson_option_add --cross-file "$1"
620 else
621 meson_option_add --native-file "$1"
622 fi
623 }
624
625 for opt do
626 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
627 case "$opt" in
628 --help|-h) show_help=yes
629 ;;
630 --version|-V) exec cat "$source_path/VERSION"
631 ;;
632 --cross-prefix=*)
633 ;;
634 --cc=*)
635 ;;
636 --host-cc=*) host_cc="$optarg"
637 ;;
638 --cxx=*)
639 ;;
640 --objcc=*)
641 ;;
642 --make=*)
643 ;;
644 --install=*)
645 ;;
646 --python=*) python="$optarg"
647 ;;
648 --skip-meson) skip_meson=yes
649 ;;
650 --ninja=*) ninja="$optarg"
651 ;;
652 --extra-cflags=*)
653 ;;
654 --extra-cxxflags=*)
655 ;;
656 --extra-objcflags=*)
657 ;;
658 --extra-ldflags=*)
659 ;;
660 --cross-cc-*)
661 ;;
662 --cross-prefix-*)
663 ;;
664 --enable-docs) docs=enabled
665 ;;
666 --disable-docs) docs=disabled
667 ;;
668 --cpu=*)
669 ;;
670 --target-list=*) target_list="$optarg"
671 if test "$target_list_exclude"; then
672 error_exit "Can't mix --target-list with --target-list-exclude"
673 fi
674 ;;
675 --target-list-exclude=*) target_list_exclude="$optarg"
676 if test "$target_list"; then
677 error_exit "Can't mix --target-list-exclude with --target-list"
678 fi
679 ;;
680 --with-default-devices) meson_option_add -Ddefault_devices=true
681 ;;
682 --without-default-devices) meson_option_add -Ddefault_devices=false
683 ;;
684 --with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option"
685 ;;
686 --with-devices-*) device_arch=${opt#--with-devices-};
687 device_arch=${device_arch%%=*}
688 cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak
689 if test -f "$cf"; then
690 device_archs="$device_archs $device_arch"
691 eval "devices_${device_arch}=\$optarg"
692 else
693 error_exit "File $cf does not exist"
694 fi
695 ;;
696 --without-default-features) # processed above
697 ;;
698 --static) static="yes"
699 ;;
700 --host=*|--build=*|\
701 --disable-dependency-tracking|\
702 --sbindir=*|--sharedstatedir=*|\
703 --oldincludedir=*|--datarootdir=*|--infodir=*|\
704 --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
705 # These switches are silently ignored, for compatibility with
706 # autoconf-generated configure scripts. This allows QEMU's
707 # configure to be used by RPM and similar macros that set
708 # lots of directory switches by default.
709 ;;
710 --enable-debug)
711 # Enable debugging options that aren't excessively noisy
712 meson_option_parse --enable-debug-tcg ""
713 meson_option_parse --enable-debug-graph-lock ""
714 meson_option_parse --enable-debug-mutex ""
715 meson_option_add -Doptimization=0
716 default_cflags='-O0 -g'
717 ;;
718 --disable-tcg) tcg="disabled"
719 ;;
720 --enable-tcg) tcg="enabled"
721 ;;
722 --disable-system) system="no"
723 ;;
724 --enable-system) system="yes"
725 ;;
726 --disable-user)
727 linux_user="no" ;
728 bsd_user="no" ;
729 ;;
730 --enable-user) ;;
731 --disable-linux-user) linux_user="no"
732 ;;
733 --enable-linux-user) linux_user="yes"
734 ;;
735 --disable-bsd-user) bsd_user="no"
736 ;;
737 --enable-bsd-user) bsd_user="yes"
738 ;;
739 --enable-pie) pie="yes"
740 ;;
741 --disable-pie) pie="no"
742 ;;
743 --enable-cfi) cfi=true
744 ;;
745 --disable-cfi) cfi=false
746 ;;
747 --disable-download) download="disabled"; git_submodules_action=validate;
748 ;;
749 --enable-download) download="enabled"; git_submodules_action=update;
750 ;;
751 --enable-plugins) plugins="yes"
752 ;;
753 --disable-plugins) plugins="no"
754 ;;
755 --enable-containers) use_containers="yes"
756 ;;
757 --disable-containers) use_containers="no"
758 ;;
759 --container-engine=*) container_engine="$optarg"
760 ;;
761 --gdb=*) gdb_bin="$optarg"
762 ;;
763 # everything else has the same name in configure and meson
764 --*) meson_option_parse "$opt" "$optarg"
765 ;;
766 # Pass through -Dxxxx options to meson
767 -D*) meson_options="$meson_options $opt"
768 ;;
769 esac
770 done
771
772 if ! test -e "$source_path/.git"
773 then
774 git_submodules_action="validate"
775 fi
776
777 if ! test -f "$source_path/subprojects/keycodemapdb/README" \
778 && test "$download" = disabled
779 then
780 echo
781 echo "ERROR: missing subprojects"
782 echo
783 if test -e "$source_path/.git"; then
784 echo "--disable-download specified but subprojects were not"
785 echo 'checked out. Please invoke "meson subprojects download"'
786 echo "before configuring QEMU, or remove --disable-download"
787 echo "from the command line."
788 else
789 echo "This is not a GIT checkout but subproject content appears to"
790 echo "be missing. Do not use 'git archive' or GitHub download links"
791 echo "to acquire QEMU source archives. Non-GIT builds are only"
792 echo "supported with source archives linked from:"
793 echo
794 echo " https://www.qemu.org/download/#source"
795 echo
796 echo "Developers working with GIT can use scripts/archive-source.sh"
797 echo "if they need to create valid source archives."
798 fi
799 echo
800 exit 1
801 fi
802
803 default_target_list=""
804 mak_wilds=""
805
806 if [ -n "$host_arch" ] && [ -d "$source_path/common-user/host/$host_arch" ]; then
807 if [ "$linux_user" != no ]; then
808 if [ "$targetos" = linux ]; then
809 linux_user=yes
810 elif [ "$linux_user" = yes ]; then
811 error_exit "linux-user not supported on this architecture"
812 fi
813 if [ "$linux_user" = "yes" ]; then
814 mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak"
815 fi
816 fi
817 if [ "$bsd_user" != no ]; then
818 if [ "$bsd_user" = "" ]; then
819 test $targetos = freebsd && bsd_user=yes
820 fi
821 if [ "$bsd_user" = yes ] && ! [ -d "$source_path/bsd-user/$targetos" ]; then
822 error_exit "bsd-user not supported on this host OS"
823 fi
824 if [ "$bsd_user" = "yes" ]; then
825 mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak"
826 fi
827 fi
828 else
829 if [ "$linux_user" = yes ] || [ "$bsd_user" = yes ]; then
830 error_exit "user mode emulation not supported on this architecture"
831 fi
832 fi
833 if [ "$system" = "yes" ]; then
834 mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak"
835 fi
836
837 for config in $mak_wilds; do
838 target="$(basename "$config" .mak)"
839 if echo "$target_list_exclude" | grep -vq "$target"; then
840 default_target_list="${default_target_list} $target"
841 fi
842 done
843
844 if test x"$show_help" = x"yes" ; then
845 cat << EOF
846
847 Usage: configure [options]
848 Options: [defaults in brackets after descriptions]
849
850 Standard options:
851 --help print this message
852 --target-list=LIST set target list (default: build all)
853 $(echo Available targets: $default_target_list | \
854 fold -s -w 53 | sed -e 's/^/ /')
855 --target-list-exclude=LIST exclude a set of targets from the default target-list
856
857 Advanced options (experts only):
858 -Dmesonoptname=val passthrough option to meson unmodified
859 --cross-prefix=PREFIX use PREFIX for compile tools, PREFIX can be blank [$cross_prefix]
860 --cc=CC use C compiler CC [$cc]
861 --host-cc=CC when cross compiling, use C compiler CC for code run
862 at build time [$host_cc]
863 --cxx=CXX use C++ compiler CXX [$cxx]
864 --objcc=OBJCC use Objective-C compiler OBJCC [$objcc]
865 --extra-cflags=CFLAGS append extra C compiler flags CFLAGS
866 --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS
867 --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS
868 --extra-ldflags=LDFLAGS append extra linker flags LDFLAGS
869 --cross-cc-ARCH=CC use compiler when building ARCH guest test cases
870 --cross-cc-cflags-ARCH= use compiler flags when building ARCH guest tests
871 --cross-prefix-ARCH=PREFIX cross compiler prefix when building ARCH guest test cases
872 --python=PYTHON use specified python [$python]
873 --ninja=NINJA use specified ninja [$ninja]
874 --static enable static build [$static]
875 --without-default-features default all --enable-* options to "disabled"
876 --without-default-devices do not include any device that is not needed to
877 start the emulator (only use if you are including
878 desired devices in configs/devices/)
879 --with-devices-ARCH=NAME override default configs/devices
880 --enable-debug enable common debug build options
881 --cpu=CPU Build for host CPU [$cpu]
882 --disable-containers don't use containers for cross-building
883 --container-engine=TYPE which container engine to use [$container_engine]
884 --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin]
885 EOF
886 meson_options_help
887 cat << EOF
888 system all system emulation targets
889 user supported user emulation targets
890 linux-user all linux usermode emulation targets
891 bsd-user all BSD usermode emulation targets
892 pie Position Independent Executables
893
894 NOTE: The object files are built at the place where configure is launched
895 EOF
896 exit 0
897 fi
898
899 # Remove old dependency files to make sure that they get properly regenerated
900 rm -f ./*/config-devices.mak.d
901
902 if test -z "$python"
903 then
904 # If first_python is set, there was a binary somewhere even though
905 # it was not suitable. Use it for the error message.
906 if test -n "$first_python"; then
907 error_exit "Cannot use '$first_python', Python >= 3.8 is required." \
908 "Use --python=/path/to/python to specify a supported Python."
909 else
910 error_exit "Python not found. Use --python=/path/to/python"
911 fi
912 fi
913
914 if ! check_py_version "$python"; then
915 error_exit "Cannot use '$python', Python >= 3.8 is required." \
916 "Use --python=/path/to/python to specify a supported Python." \
917 "Maybe try:" \
918 " openSUSE Leap 15.3+: zypper install python39" \
919 " CentOS 8: dnf install python38"
920 fi
921
922 # Resolve PATH
923 python="$(command -v "$python")"
924
925 # Create a Python virtual environment using our configured python.
926 # The stdout of this script will be the location of a symlink that
927 # points to the configured Python.
928 # Entry point scripts for pip, meson, and sphinx are generated if those
929 # packages are present.
930
931 # Defaults assumed for now:
932 # - venv is cleared if it exists already;
933 # - venv is allowed to use system packages;
934 # - all setup can be performed offline;
935 # - missing packages may be fetched from PyPI,
936 # unless --disable-download is passed.
937 # - pip is not installed into the venv when possible,
938 # but ensurepip is called as a fallback when necessary.
939
940 echo "python determined to be '$python'"
941 echo "python version: $($python --version)"
942
943 python="$($python -B "${source_path}/python/scripts/mkvenv.py" create pyvenv)"
944 if test "$?" -ne 0 ; then
945 error_exit "python venv creation failed"
946 fi
947
948 # Suppress writing compiled files
949 python="$python -B"
950 mkvenv="$python ${source_path}/python/scripts/mkvenv.py"
951
952 # Finish preparing the virtual environment using vendored .whl files
953
954 if $python -c 'import sys; sys.exit(sys.version_info >= (3,11))'; then
955 $mkvenv ensure --dir "${source_path}/python/wheels" \
956 'tomli>=1.2.0' || exit 1
957 fi
958 $mkvenv ensuregroup --dir "${source_path}/python/wheels" \
959 ${source_path}/pythondeps.toml meson || exit 1
960
961 # At this point, we expect Meson to be installed and available.
962 # We expect mkvenv or pip to have created pyvenv/bin/meson for us.
963 # We ignore PATH completely here: we want to use the venv's Meson
964 # *exclusively*.
965
966 meson="$(cd pyvenv/bin; pwd)/meson"
967
968 # Conditionally ensure Sphinx is installed.
969
970 mkvenv_flags=""
971 if test "$download" = "enabled" -a "$docs" = "enabled" ; then
972 mkvenv_flags="--online"
973 fi
974
975 if test "$docs" != "disabled" ; then
976 if ! $mkvenv ensuregroup \
977 $mkvenv_flags \
978 ${source_path}/pythondeps.toml docs;
979 then
980 if test "$docs" = "enabled" ; then
981 exit 1
982 fi
983 echo "Sphinx not found/usable, disabling docs."
984 docs=disabled
985 else
986 docs=enabled
987 fi
988 fi
989
990 # Probe for ninja
991
992 if test -z "$ninja"; then
993 for c in ninja ninja-build samu; do
994 if has $c; then
995 ninja=$(command -v "$c")
996 break
997 fi
998 done
999 if test -z "$ninja"; then
1000 error_exit "Cannot find Ninja"
1001 fi
1002 fi
1003
1004 if test "$targetos" = "bogus"; then
1005 # Now that we know that we're not printing the help and that
1006 # the compiler works (so the results of the check_defines we used
1007 # to identify the OS are reliable), if we didn't recognize the
1008 # host OS we should stop now.
1009 error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1010 fi
1011
1012 # test for any invalid configuration combinations
1013 if test "$targetos" = "windows"; then
1014 if test "$plugins" = "yes"; then
1015 error_exit "TCG plugins not currently supported on Windows platforms"
1016 fi
1017 plugins="no"
1018 fi
1019 if test "$tcg" = "disabled" ; then
1020 if test "$plugins" = "yes"; then
1021 error_exit "Can't enable plugins on non-TCG builds"
1022 fi
1023 plugins="no"
1024 fi
1025 if test "$static" = "yes" ; then
1026 if test "$plugins" = "yes"; then
1027 error_exit "static and plugins are mutually incompatible"
1028 fi
1029 plugins="no"
1030 fi
1031 if test "$plugins" != "no"; then
1032 plugins=yes
1033 subdirs="$subdirs contrib/plugins"
1034 fi
1035
1036 cat > $TMPC << EOF
1037
1038 #ifdef __linux__
1039 # define THREAD __thread
1040 #else
1041 # define THREAD
1042 #endif
1043 static THREAD int tls_var;
1044 int main(void) { return tls_var; }
1045 EOF
1046
1047 if test "$targetos" = windows || test "$targetos" = haiku; then
1048 if test "$pie" = "yes"; then
1049 error_exit "PIE not available due to missing OS support"
1050 fi
1051 pie=no
1052 fi
1053
1054 if test "$pie" != "no"; then
1055 if test "$static" = "yes"; then
1056 pie_ldflags=-static-pie
1057 else
1058 pie_ldflags=-pie
1059 fi
1060 if compile_prog "-Werror -fPIE -DPIE" "$pie_ldflags"; then
1061 pie="yes"
1062 elif test "$pie" = "yes"; then
1063 error_exit "-static-pie not available due to missing toolchain support"
1064 else
1065 echo "Disabling PIE due to missing toolchain support"
1066 pie="no"
1067 fi
1068 fi
1069
1070 ##########################################
1071
1072 if test -z "${target_list+xxx}" ; then
1073 default_targets=yes
1074 for target in $default_target_list; do
1075 target_list="$target_list $target"
1076 done
1077 target_list="${target_list# }"
1078 else
1079 default_targets=no
1080 target_list=$(echo "$target_list" | sed -e 's/,/ /g')
1081 for target in $target_list; do
1082 # Check that we recognised the target name; this allows a more
1083 # friendly error message than if we let it fall through.
1084 case " $default_target_list " in
1085 *" $target "*)
1086 ;;
1087 *)
1088 error_exit "Unknown target name '$target'"
1089 ;;
1090 esac
1091 done
1092 fi
1093
1094 if test "$tcg" = "auto"; then
1095 if test -z "$target_list"; then
1096 tcg="disabled"
1097 else
1098 tcg="enabled"
1099 fi
1100 fi
1101
1102 #########################################
1103 # gdb test
1104
1105 if test -n "$gdb_bin"; then
1106 gdb_version=$($gdb_bin --version | head -n 1)
1107 if version_ge ${gdb_version##* } 9.1; then
1108 gdb_arches=$($python "$source_path/scripts/probe-gdb-support.py" $gdb_bin)
1109 else
1110 gdb_bin=""
1111 fi
1112 fi
1113
1114 ##########################################
1115 # big/little endian test
1116 cat > $TMPC << EOF
1117 #if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
1118 # error LITTLE
1119 #endif
1120 int main(void) { return 0; }
1121 EOF
1122
1123 if ! compile_prog ; then
1124 bigendian="no"
1125 else
1126 cat > $TMPC << EOF
1127 #if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
1128 # error BIG
1129 #endif
1130 int main(void) { return 0; }
1131 EOF
1132
1133 if ! compile_prog ; then
1134 bigendian="yes"
1135 else
1136 echo big/little test failed
1137 exit 1
1138 fi
1139 fi
1140
1141 ##########################################
1142 # functions to probe cross compilers
1143
1144 container="no"
1145 runc=""
1146 if test $use_containers = "yes" && (has "docker" || has "podman"); then
1147 case $($python "$source_path"/tests/docker/docker.py --engine "$container_engine" probe) in
1148 *docker) container=docker ;;
1149 podman) container=podman ;;
1150 no) container=no ;;
1151 esac
1152 if test "$container" != "no"; then
1153 docker_py="$python $source_path/tests/docker/docker.py --engine $container"
1154 runc=$container
1155 fi
1156 fi
1157
1158 # cross compilers defaults, can be overridden with --cross-cc-ARCH
1159 : ${cross_prefix_aarch64="aarch64-linux-gnu-"}
1160 : ${cross_prefix_aarch64_be="$cross_prefix_aarch64"}
1161 : ${cross_prefix_alpha="alpha-linux-gnu-"}
1162 : ${cross_prefix_arm="arm-linux-gnueabihf-"}
1163 : ${cross_prefix_armeb="$cross_prefix_arm"}
1164 : ${cross_prefix_hexagon="hexagon-unknown-linux-musl-"}
1165 : ${cross_prefix_loongarch64="loongarch64-unknown-linux-gnu-"}
1166 : ${cross_prefix_hppa="hppa-linux-gnu-"}
1167 : ${cross_prefix_i386="i686-linux-gnu-"}
1168 : ${cross_prefix_m68k="m68k-linux-gnu-"}
1169 : ${cross_prefix_microblaze="microblaze-linux-musl-"}
1170 : ${cross_prefix_mips64el="mips64el-linux-gnuabi64-"}
1171 : ${cross_prefix_mips64="mips64-linux-gnuabi64-"}
1172 : ${cross_prefix_mipsel="mipsel-linux-gnu-"}
1173 : ${cross_prefix_mips="mips-linux-gnu-"}
1174 : ${cross_prefix_nios2="nios2-linux-gnu-"}
1175 : ${cross_prefix_ppc="powerpc-linux-gnu-"}
1176 : ${cross_prefix_ppc64="powerpc64-linux-gnu-"}
1177 : ${cross_prefix_ppc64le="$cross_prefix_ppc64"}
1178 : ${cross_prefix_riscv64="riscv64-linux-gnu-"}
1179 : ${cross_prefix_s390x="s390x-linux-gnu-"}
1180 : ${cross_prefix_sh4="sh4-linux-gnu-"}
1181 : ${cross_prefix_sparc64="sparc64-linux-gnu-"}
1182 : ${cross_prefix_sparc="$cross_prefix_sparc64"}
1183 : ${cross_prefix_tricore="tricore-"}
1184 : ${cross_prefix_x86_64="x86_64-linux-gnu-"}
1185
1186 : ${cross_cc_aarch64_be="$cross_cc_aarch64"}
1187 : ${cross_cc_cflags_aarch64_be="-mbig-endian"}
1188 : ${cross_cc_armeb="$cross_cc_arm"}
1189 : ${cross_cc_cflags_armeb="-mbig-endian"}
1190 : ${cross_cc_hexagon="hexagon-unknown-linux-musl-clang"}
1191 : ${cross_cc_cflags_hexagon="-mv73 -O2 -static"}
1192 : ${cross_cc_cflags_i386="-m32"}
1193 : ${cross_cc_cflags_ppc="-m32 -mbig-endian"}
1194 : ${cross_cc_cflags_ppc64="-m64 -mbig-endian"}
1195 : ${cross_cc_ppc64le="$cross_cc_ppc64"}
1196 : ${cross_cc_cflags_ppc64le="-m64 -mlittle-endian"}
1197 : ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"}
1198 : ${cross_cc_sparc="$cross_cc_sparc64"}
1199 : ${cross_cc_cflags_sparc="-m32 -mcpu=supersparc"}
1200 : ${cross_cc_cflags_x86_64="-m64"}
1201
1202 compute_target_variable() {
1203 eval "$2="
1204 if eval test -n "\"\${cross_prefix_$1}\""; then
1205 if eval has "\"\${cross_prefix_$1}\$3\""; then
1206 eval "$2=\"\${cross_prefix_$1}\$3\""
1207 fi
1208 fi
1209 }
1210
1211 have_target() {
1212 for i; do
1213 case " $target_list " in
1214 *" $i "*) return 0;;
1215 *) ;;
1216 esac
1217 done
1218 return 1
1219 }
1220
1221 # probe_target_compiler TARGET
1222 #
1223 # Look for a compiler for the given target, either native or cross.
1224 # Set variables target_* if a compiler is found, and container_cross_*
1225 # if a Docker-based cross-compiler image is known for the target.
1226 # Set got_cross_cc to yes/no depending on whether a non-container-based
1227 # compiler was found.
1228 #
1229 # If TARGET is a user-mode emulation target, also set build_static to
1230 # "y" if static linking is possible.
1231 #
1232 probe_target_compiler() {
1233 # reset all output variables
1234 got_cross_cc=no
1235 container_image=
1236 container_hosts=
1237 container_cross_cc=
1238 container_cross_ar=
1239 container_cross_as=
1240 container_cross_ld=
1241 container_cross_nm=
1242 container_cross_objcopy=
1243 container_cross_ranlib=
1244 container_cross_strip=
1245
1246 target_arch=${1%%-*}
1247 case $target_arch in
1248 aarch64) container_hosts="x86_64 aarch64" ;;
1249 alpha) container_hosts=x86_64 ;;
1250 arm) container_hosts="x86_64 aarch64" ;;
1251 cris) container_hosts=x86_64 ;;
1252 hexagon) container_hosts=x86_64 ;;
1253 hppa) container_hosts=x86_64 ;;
1254 i386) container_hosts=x86_64 ;;
1255 loongarch64) container_hosts=x86_64 ;;
1256 m68k) container_hosts=x86_64 ;;
1257 microblaze) container_hosts=x86_64 ;;
1258 mips64el) container_hosts=x86_64 ;;
1259 mips64) container_hosts=x86_64 ;;
1260 mipsel) container_hosts=x86_64 ;;
1261 mips) container_hosts=x86_64 ;;
1262 nios2) container_hosts=x86_64 ;;
1263 ppc) container_hosts=x86_64 ;;
1264 ppc64|ppc64le) container_hosts=x86_64 ;;
1265 riscv64) container_hosts=x86_64 ;;
1266 s390x) container_hosts=x86_64 ;;
1267 sh4) container_hosts=x86_64 ;;
1268 sparc64) container_hosts=x86_64 ;;
1269 tricore) container_hosts=x86_64 ;;
1270 x86_64) container_hosts="aarch64 ppc64le x86_64" ;;
1271 xtensa*) container_hosts=x86_64 ;;
1272 esac
1273
1274 for host in $container_hosts; do
1275 test "$container" != no || continue
1276 test "$host" = "$cpu" || continue
1277 case $target_arch in
1278 aarch64)
1279 # We don't have any bigendian build tools so we only use this for AArch64
1280 container_image=debian-arm64-cross
1281 container_cross_prefix=aarch64-linux-gnu-
1282 container_cross_cc=${container_cross_prefix}gcc
1283 ;;
1284 alpha)
1285 container_image=debian-legacy-test-cross
1286 container_cross_prefix=alpha-linux-gnu-
1287 container_cross_cc=${container_cross_prefix}gcc
1288 ;;
1289 arm)
1290 # We don't have any bigendian build tools so we only use this for ARM
1291 container_image=debian-armhf-cross
1292 container_cross_prefix=arm-linux-gnueabihf-
1293 ;;
1294 cris)
1295 container_image=fedora-cris-cross
1296 container_cross_prefix=cris-linux-gnu-
1297 ;;
1298 hexagon)
1299 container_image=debian-hexagon-cross
1300 container_cross_prefix=hexagon-unknown-linux-musl-
1301 container_cross_cc=${container_cross_prefix}clang
1302 ;;
1303 hppa)
1304 container_image=debian-all-test-cross
1305 container_cross_prefix=hppa-linux-gnu-
1306 container_cross_cc=${container_cross_prefix}gcc
1307 ;;
1308 i386)
1309 container_image=fedora-i386-cross
1310 container_cross_prefix=
1311 ;;
1312 loongarch64)
1313 container_image=debian-loongarch-cross
1314 container_cross_prefix=loongarch64-unknown-linux-gnu-
1315 ;;
1316 m68k)
1317 container_image=debian-all-test-cross
1318 container_cross_prefix=m68k-linux-gnu-
1319 container_cross_cc=${container_cross_prefix}gcc
1320 ;;
1321 microblaze)
1322 container_image=debian-microblaze-cross
1323 container_cross_prefix=microblaze-linux-musl-
1324 ;;
1325 mips64el)
1326 container_image=debian-mips64el-cross
1327 container_cross_prefix=mips64el-linux-gnuabi64-
1328 ;;
1329 mips64)
1330 container_image=debian-all-test-cross
1331 container_cross_prefix=mips64-linux-gnuabi64-
1332 ;;
1333 mips)
1334 container_image=debian-all-test-cross
1335 container_cross_prefix=mips-linux-gnu-
1336 ;;
1337 nios2)
1338 container_image=debian-nios2-cross
1339 container_cross_prefix=nios2-linux-gnu-
1340 ;;
1341 ppc)
1342 container_image=debian-all-test-cross
1343 container_cross_prefix=powerpc-linux-gnu-
1344 container_cross_cc=${container_cross_prefix}gcc
1345 ;;
1346 ppc64|ppc64le)
1347 container_image=debian-all-test-cross
1348 container_cross_prefix=powerpc${target_arch#ppc}-linux-gnu-
1349 ;;
1350 riscv64)
1351 container_image=debian-all-test-cross
1352 container_cross_prefix=riscv64-linux-gnu-
1353 ;;
1354 sh4)
1355 container_image=debian-legacy-test-cross
1356 container_cross_prefix=sh4-linux-gnu-
1357 ;;
1358 sparc64)
1359 container_image=debian-all-test-cross
1360 container_cross_prefix=sparc64-linux-gnu-
1361 ;;
1362 tricore)
1363 container_image=debian-tricore-cross
1364 container_cross_prefix=tricore-
1365 ;;
1366 x86_64)
1367 container_image=debian-amd64-cross
1368 container_cross_prefix=x86_64-linux-gnu-
1369 ;;
1370 xtensa*)
1371 container_image=debian-xtensa-cross
1372
1373 # default to the dc232b cpu
1374 container_cross_prefix=/opt/2020.07/xtensa-dc232b-elf/bin/xtensa-dc232b-elf-
1375 ;;
1376 *)
1377 # Debian and GNU architecture names usually match
1378 container_image=debian-$target_arch-cross
1379 container_cross_prefix=$target_arch-linux-gnu-
1380 ;;
1381 esac
1382 : ${container_cross_cc:=${container_cross_prefix}gcc}
1383 : ${container_cross_ar:=${container_cross_prefix}ar}
1384 : ${container_cross_as:=${container_cross_prefix}as}
1385 : ${container_cross_ld:=${container_cross_prefix}ld}
1386 : ${container_cross_nm:=${container_cross_prefix}nm}
1387 : ${container_cross_objcopy:=${container_cross_prefix}objcopy}
1388 : ${container_cross_ranlib:=${container_cross_prefix}ranlib}
1389 : ${container_cross_strip:=${container_cross_prefix}strip}
1390 done
1391
1392 try=cross
1393 case "$target_arch:$cpu" in
1394 aarch64_be:aarch64 | \
1395 armeb:arm | \
1396 i386:x86_64 | \
1397 mips*:mips64 | \
1398 ppc*:ppc64 | \
1399 sparc:sparc64 | \
1400 "$cpu:$cpu")
1401 try='native cross' ;;
1402 esac
1403 eval "target_cflags=\${cross_cc_cflags_$target_arch}"
1404 for thistry in $try; do
1405 case $thistry in
1406 native)
1407 target_cc=$cc
1408 target_ccas=$ccas
1409 target_ar=$ar
1410 target_as=$as
1411 target_ld=$ld
1412 target_nm=$nm
1413 target_objcopy=$objcopy
1414 target_ranlib=$ranlib
1415 target_strip=$strip
1416 ;;
1417 cross)
1418 target_cc=
1419 if eval test -n "\"\${cross_cc_$target_arch}\""; then
1420 if eval has "\"\${cross_cc_$target_arch}\""; then
1421 eval "target_cc=\"\${cross_cc_$target_arch}\""
1422 fi
1423 else
1424 compute_target_variable $target_arch target_cc gcc
1425 fi
1426 target_ccas=$target_cc
1427 compute_target_variable $target_arch target_ar ar
1428 compute_target_variable $target_arch target_as as
1429 compute_target_variable $target_arch target_ld ld
1430 compute_target_variable $target_arch target_nm nm
1431 compute_target_variable $target_arch target_objcopy objcopy
1432 compute_target_variable $target_arch target_ranlib ranlib
1433 compute_target_variable $target_arch target_strip strip
1434 ;;
1435 esac
1436
1437 if test -n "$target_cc"; then
1438 case $target_arch in
1439 i386|x86_64)
1440 if $target_cc --version | grep -qi "clang"; then
1441 continue
1442 fi
1443 ;;
1444 esac
1445 elif test -n "$target_as" && test -n "$target_ld"; then
1446 # Special handling for assembler only targets
1447 case $target in
1448 tricore-softmmu)
1449 build_static=
1450 got_cross_cc=yes
1451 break
1452 ;;
1453 *)
1454 continue
1455 ;;
1456 esac
1457 else
1458 continue
1459 fi
1460
1461 write_c_skeleton
1462 case $1 in
1463 *-softmmu)
1464 if do_compiler "$target_cc" $target_cflags -o $TMPO -c $TMPC &&
1465 do_compiler "$target_cc" $target_cflags -r -nostdlib -o "${TMPDIR1}/${TMPB}2.o" "$TMPO" -lgcc; then
1466 got_cross_cc=yes
1467 break
1468 fi
1469 ;;
1470 *)
1471 if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC -static ; then
1472 build_static=y
1473 got_cross_cc=yes
1474 break
1475 fi
1476 if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC ; then
1477 build_static=
1478 got_cross_cc=yes
1479 break
1480 fi
1481 ;;
1482 esac
1483 done
1484 if test $got_cross_cc != yes; then
1485 build_static=
1486 target_cc=
1487 target_ccas=
1488 target_ar=
1489 target_as=
1490 target_ld=
1491 target_nm=
1492 target_objcopy=
1493 target_ranlib=
1494 target_strip=
1495 fi
1496 test -n "$target_cc"
1497 }
1498
1499 write_target_makefile() {
1500 echo "EXTRA_CFLAGS=$target_cflags"
1501 if test -z "$target_cc" && test -z "$target_as"; then
1502 test -z "$container_image" && error_exit "Internal error: could not find cross compiler for $1?"
1503 echo "$1: docker-image-$container_image" >> Makefile.prereqs
1504 if test -n "$container_cross_cc"; then
1505 echo "CC=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
1506 echo "CCAS=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
1507 fi
1508 echo "AR=$docker_py cc --cc $container_cross_ar -i qemu/$container_image -s $source_path --"
1509 echo "AS=$docker_py cc --cc $container_cross_as -i qemu/$container_image -s $source_path --"
1510 echo "LD=$docker_py cc --cc $container_cross_ld -i qemu/$container_image -s $source_path --"
1511 echo "NM=$docker_py cc --cc $container_cross_nm -i qemu/$container_image -s $source_path --"
1512 echo "OBJCOPY=$docker_py cc --cc $container_cross_objcopy -i qemu/$container_image -s $source_path --"
1513 echo "RANLIB=$docker_py cc --cc $container_cross_ranlib -i qemu/$container_image -s $source_path --"
1514 echo "STRIP=$docker_py cc --cc $container_cross_strip -i qemu/$container_image -s $source_path --"
1515 else
1516 if test -n "$target_cc"; then
1517 echo "CC=$target_cc"
1518 echo "CCAS=$target_ccas"
1519 fi
1520 if test -n "$target_ar"; then
1521 echo "AR=$target_ar"
1522 fi
1523 if test -n "$target_as"; then
1524 echo "AS=$target_as"
1525 fi
1526 if test -n "$target_ld"; then
1527 echo "LD=$target_ld"
1528 fi
1529 if test -n "$target_nm"; then
1530 echo "NM=$target_nm"
1531 fi
1532 if test -n "$target_objcopy"; then
1533 echo "OBJCOPY=$target_objcopy"
1534 fi
1535 if test -n "$target_ranlib"; then
1536 echo "RANLIB=$target_ranlib"
1537 fi
1538 if test -n "$target_strip"; then
1539 echo "STRIP=$target_strip"
1540 fi
1541 fi
1542 }
1543
1544 #######################################
1545 # cross-compiled firmware targets
1546
1547 # Set up build tree symlinks that point back into the source tree
1548 # (these can be both files and directories).
1549 # Caution: avoid adding files or directories here using wildcards. This
1550 # will result in problems later if a new file matching the wildcard is
1551 # added to the source tree -- nothing will cause configure to be rerun
1552 # so the build tree will be missing the link back to the new file, and
1553 # tests might fail. Prefer to keep the relevant files in their own
1554 # directory and symlink the directory instead.
1555 LINKS="Makefile"
1556 LINKS="$LINKS docs/config"
1557 LINKS="$LINKS pc-bios/optionrom/Makefile"
1558 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
1559 LINKS="$LINKS pc-bios/vof/Makefile"
1560 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
1561 LINKS="$LINKS tests/avocado tests/data"
1562 LINKS="$LINKS tests/qemu-iotests/check"
1563 LINKS="$LINKS python"
1564 LINKS="$LINKS contrib/plugins/Makefile "
1565 for f in $LINKS ; do
1566 if [ -e "$source_path/$f" ]; then
1567 symlink "$source_path/$f" "$f"
1568 fi
1569 done
1570
1571 echo "# Automatically generated by configure - do not modify" > Makefile.prereqs
1572
1573 # Mac OS X ships with a broken assembler
1574 if have_target i386-softmmu x86_64-softmmu && \
1575 test "$targetos" != "darwin" && test "$targetos" != "sunos" && \
1576 test "$targetos" != "haiku" && \
1577 probe_target_compiler i386-softmmu; then
1578 subdirs="$subdirs pc-bios/optionrom"
1579 config_mak=pc-bios/optionrom/config.mak
1580 echo "# Automatically generated by configure - do not modify" > $config_mak
1581 echo "TOPSRC_DIR=$source_path" >> $config_mak
1582 write_target_makefile >> $config_mak
1583 fi
1584
1585 if have_target ppc-softmmu ppc64-softmmu && \
1586 probe_target_compiler ppc-softmmu; then
1587 subdirs="$subdirs pc-bios/vof"
1588 config_mak=pc-bios/vof/config.mak
1589 echo "# Automatically generated by configure - do not modify" > $config_mak
1590 echo "SRC_DIR=$source_path/pc-bios/vof" >> $config_mak
1591 write_target_makefile >> $config_mak
1592 fi
1593
1594 # Only build s390-ccw bios if the compiler has -march=z900 or -march=z10
1595 # (which is the lowest architecture level that Clang supports)
1596 if have_target s390x-softmmu && probe_target_compiler s390x-softmmu && \
1597 GIT=git "$source_path/scripts/git-submodule.sh" "$git_submodules_action" roms/SLOF >> config.log 2>&1; then
1598 write_c_skeleton
1599 do_compiler "$target_cc" $target_cc_cflags -march=z900 -o $TMPO -c $TMPC
1600 has_z900=$?
1601 if [ $has_z900 = 0 ] || do_compiler "$target_cc" $target_cc_cflags -march=z10 -msoft-float -Werror -o $TMPO -c $TMPC; then
1602 if [ $has_z900 != 0 ]; then
1603 echo "WARNING: Your compiler does not support the z900!"
1604 echo " The s390-ccw bios will only work with guest CPUs >= z10."
1605 fi
1606 subdirs="$subdirs pc-bios/s390-ccw"
1607 config_mak=pc-bios/s390-ccw/config-host.mak
1608 echo "# Automatically generated by configure - do not modify" > $config_mak
1609 echo "SRC_PATH=$source_path/pc-bios/s390-ccw" >> $config_mak
1610 echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_mak
1611 write_target_makefile >> $config_mak
1612 fi
1613 fi
1614
1615 #######################################
1616 # generate config-host.mak
1617
1618 config_host_mak="config-host.mak"
1619
1620 echo "# Automatically generated by configure - do not modify" > $config_host_mak
1621 echo >> $config_host_mak
1622
1623 echo all: >> $config_host_mak
1624
1625 echo "SRC_PATH=$source_path" >> $config_host_mak
1626 echo "TARGET_DIRS=$target_list" >> $config_host_mak
1627 echo "GDB=$gdb_bin" >> $config_host_mak
1628 if test "$container" != no; then
1629 echo "RUNC=$runc" >> $config_host_mak
1630 fi
1631 echo "SUBDIRS=$subdirs" >> $config_host_mak
1632 echo "PYTHON=$python" >> $config_host_mak
1633 echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
1634 echo "MESON=$meson" >> $config_host_mak
1635 echo "NINJA=$ninja" >> $config_host_mak
1636 echo "EXESUF=$EXESUF" >> $config_host_mak
1637
1638 # use included Linux headers for KVM architectures
1639 if test "$targetos" = "linux" && test -n "$linux_arch"; then
1640 symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
1641 fi
1642
1643 for target in $target_list; do
1644 target_dir="$target"
1645 target_name=$(echo $target | cut -d '-' -f 1)$EXESUF
1646 case $target in
1647 *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;;
1648 *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;;
1649 esac
1650 done
1651
1652 if test "$default_targets" = "yes"; then
1653 echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak
1654 fi
1655
1656 # contrib/plugins configuration
1657 echo "# Automatically generated by configure - do not modify" > contrib/plugins/$config_host_mak
1658 echo "SRC_PATH=$source_path/contrib/plugins" >> contrib/plugins/$config_host_mak
1659 echo "PKG_CONFIG=${pkg_config}" >> contrib/plugins/$config_host_mak
1660 echo "CC=$cc $CPU_CFLAGS" >> contrib/plugins/$config_host_mak
1661 echo "CFLAGS=${CFLAGS-$default_cflags} $EXTRA_CFLAGS" >> contrib/plugins/$config_host_mak
1662 if test "$targetos" = darwin; then
1663 echo "CONFIG_DARWIN=y" >> contrib/plugins/$config_host_mak
1664 fi
1665
1666 # tests/tcg configuration
1667 (config_host_mak=tests/tcg/config-host.mak
1668 mkdir -p tests/tcg
1669 echo "# Automatically generated by configure - do not modify" > $config_host_mak
1670 echo "SRC_PATH=$source_path" >> $config_host_mak
1671
1672 tcg_tests_targets=
1673 for target in $target_list; do
1674 arch=${target%%-*}
1675
1676 case $target in
1677 xtensa*-linux-user)
1678 # the toolchain is not complete with headers, only build system tests
1679 continue
1680 ;;
1681 *-softmmu)
1682 test -f "$source_path/tests/tcg/$arch/Makefile.softmmu-target" || continue
1683 qemu="qemu-system-$arch"
1684 ;;
1685 *-linux-user|*-bsd-user)
1686 qemu="qemu-$arch"
1687 ;;
1688 esac
1689
1690 if probe_target_compiler $target || test -n "$container_image"; then
1691 test -n "$container_image" && build_static=y
1692 mkdir -p "tests/tcg/$target"
1693 config_target_mak=tests/tcg/$target/config-target.mak
1694 ln -sf "$source_path/tests/tcg/Makefile.target" "tests/tcg/$target/Makefile"
1695 echo "# Automatically generated by configure - do not modify" > "$config_target_mak"
1696 echo "TARGET_NAME=$arch" >> "$config_target_mak"
1697 echo "TARGET=$target" >> "$config_target_mak"
1698 write_target_makefile "build-tcg-tests-$target" >> "$config_target_mak"
1699 echo "BUILD_STATIC=$build_static" >> "$config_target_mak"
1700 echo "QEMU=$PWD/$qemu" >> "$config_target_mak"
1701
1702 # will GDB work with these binaries?
1703 if test "${gdb_arches#*$arch}" != "$gdb_arches"; then
1704 echo "GDB=$gdb_bin" >> $config_target_mak
1705 fi
1706
1707 echo "run-tcg-tests-$target: $qemu\$(EXESUF)" >> Makefile.prereqs
1708 tcg_tests_targets="$tcg_tests_targets $target"
1709 fi
1710 done
1711
1712 if test "$tcg" = "enabled"; then
1713 echo "TCG_TESTS_TARGETS=$tcg_tests_targets" >> config-host.mak
1714 fi
1715 )
1716
1717 if test "$skip_meson" = no; then
1718 cross="config-meson.cross.new"
1719 meson_quote() {
1720 test $# = 0 && return
1721 echo "'$(echo $* | sed "s/ /','/g")'"
1722 }
1723
1724 echo "# Automatically generated by configure - do not modify" > $cross
1725 echo "[properties]" >> $cross
1726
1727 # unroll any custom device configs
1728 for a in $device_archs; do
1729 eval "c=\$devices_${a}"
1730 echo "${a}-softmmu = '$c'" >> $cross
1731 done
1732
1733 echo "[built-in options]" >> $cross
1734 echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross
1735 echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross
1736 test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross
1737 echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross
1738 echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross
1739
1740 # Only enable by default for git builds and on select OSes
1741 echo "# environment defaults, can still be overridden on " >> $cross
1742 echo "# the command line" >> $cross
1743 if test -e "$source_path/.git" && \
1744 { test "$targetos" = linux || test "$targetos" = "windows"; }; then
1745 echo 'werror = true' >> $cross
1746 fi
1747 echo "[project options]" >> $cross
1748 if test "$SMBD" != ''; then
1749 echo "smbd = $(meson_quote "$SMBD")" >> $cross
1750 fi
1751 if test "${QEMU_GA_MANUFACTURER}" != ''; then
1752 echo "qemu_ga_manufacturer = $(meson_quote "${QEMU_GA_MANUFACTURER}")" >> $cross
1753 fi
1754 if test "${QEMU_GA_DISTRO}" != ''; then
1755 echo "qemu_ga_distro = $(meson_quote "${QEMU_GA_DISTRO}")" >> $cross
1756 fi
1757 if test "${QEMU_GA_VERSION}" != ''; then
1758 echo "qemu_ga_version = $(meson_quote "${QEMU_GA_VERSION}")" >> $cross
1759 fi
1760
1761 echo >> $cross
1762 echo "[binaries]" >> $cross
1763 echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross
1764 test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross
1765 test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross
1766 echo "ar = [$(meson_quote $ar)]" >> $cross
1767 echo "nm = [$(meson_quote $nm)]" >> $cross
1768 echo "pkgconfig = [$(meson_quote $pkg_config)]" >> $cross
1769 echo "pkg-config = [$(meson_quote $pkg_config)]" >> $cross
1770 echo "ranlib = [$(meson_quote $ranlib)]" >> $cross
1771 if has $sdl2_config; then
1772 echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross
1773 fi
1774 echo "strip = [$(meson_quote $strip)]" >> $cross
1775 echo "widl = [$(meson_quote $widl)]" >> $cross
1776 echo "windres = [$(meson_quote $windres)]" >> $cross
1777 echo "windmc = [$(meson_quote $windmc)]" >> $cross
1778 if test "$cross_compile" = "yes"; then
1779 echo "[host_machine]" >> $cross
1780 echo "system = '$targetos'" >> $cross
1781 case "$cpu" in
1782 i386)
1783 echo "cpu_family = 'x86'" >> $cross
1784 ;;
1785 *)
1786 echo "cpu_family = '$cpu'" >> $cross
1787 ;;
1788 esac
1789 echo "cpu = '$cpu'" >> $cross
1790 if test "$bigendian" = "yes" ; then
1791 echo "endian = 'big'" >> $cross
1792 else
1793 echo "endian = 'little'" >> $cross
1794 fi
1795
1796 native="config-meson.native.new"
1797 echo "# Automatically generated by configure - do not modify" > $native
1798 echo "[binaries]" >> $native
1799 echo "c = [$(meson_quote $host_cc)]" >> $native
1800 mv $native config-meson.native
1801 meson_option_add --native-file
1802 meson_option_add config-meson.native
1803 fi
1804 mv $cross config-meson.cross
1805 meson_add_machine_file config-meson.cross
1806 if test -f "$source_path/configs/meson/$targetos.txt"; then
1807 meson_add_machine_file $source_path/configs/meson/$targetos.txt
1808 fi
1809
1810 rm -rf meson-private meson-info meson-logs
1811
1812 test "$download" = "disabled" && meson_option_add "--wrap-mode=nodownload"
1813 test "$default_feature" = no && meson_option_add -Dauto_features=disabled
1814 test "$static" = yes && meson_option_add -Dprefer_static=true
1815 test "$pie" = no && meson_option_add -Db_pie=false
1816
1817 # QEMU options
1818 test "$cfi" != false && meson_option_add "-Dcfi=$cfi" "-Db_lto=$cfi"
1819 test "$docs" != auto && meson_option_add "-Ddocs=$docs"
1820 test -n "${LIB_FUZZING_ENGINE+xxx}" && meson_option_add "-Dfuzzing_engine=$LIB_FUZZING_ENGINE"
1821 test "$plugins" = yes && meson_option_add "-Dplugins=true"
1822 test "$tcg" != enabled && meson_option_add "-Dtcg=$tcg"
1823 run_meson() {
1824 NINJA=$ninja $meson setup "$@" "$PWD" "$source_path"
1825 }
1826 eval run_meson $meson_options
1827 if test "$?" -ne 0 ; then
1828 error_exit "meson setup failed"
1829 fi
1830 echo "$meson" > build.ninja.stamp
1831 else
1832 if test -f meson-private/cmd_line.txt; then
1833 # Adjust old command line options that were removed
1834 # sed -i is not portable
1835 perl -i -ne '
1836 /^sphinx_build/ && next;
1837 print;' meson-private/cmd_line.txt
1838 fi
1839 fi
1840
1841 # Save the configure command line for later reuse.
1842 cat <<EOD >config.status
1843 #!/bin/sh
1844 # Generated by configure.
1845 # Run this file to recreate the current configuration.
1846 # Compiler output produced by configure, useful for debugging
1847 # configure, is in config.log if it exists.
1848 EOD
1849
1850 preserve_env() {
1851 envname=$1
1852
1853 eval envval=\$$envname
1854
1855 if test -n "$envval"
1856 then
1857 echo "$envname='$envval'" >> config.status
1858 echo "export $envname" >> config.status
1859 else
1860 echo "unset $envname" >> config.status
1861 fi
1862 }
1863
1864 # Preserve various env variables that influence what
1865 # features/build target configure will detect
1866 preserve_env AR
1867 preserve_env AS
1868 preserve_env CC
1869 preserve_env CFLAGS
1870 preserve_env CXX
1871 preserve_env CXXFLAGS
1872 preserve_env LD
1873 preserve_env LDFLAGS
1874 preserve_env LD_LIBRARY_PATH
1875 preserve_env NM
1876 preserve_env OBJCFLAGS
1877 preserve_env OBJCOPY
1878 preserve_env PATH
1879 preserve_env PKG_CONFIG
1880 preserve_env PKG_CONFIG_LIBDIR
1881 preserve_env PKG_CONFIG_PATH
1882 preserve_env PYTHON
1883 preserve_env QEMU_GA_MANUFACTURER
1884 preserve_env QEMU_GA_DISTRO
1885 preserve_env QEMU_GA_VERSION
1886 preserve_env SDL2_CONFIG
1887 preserve_env SMBD
1888 preserve_env STRIP
1889 preserve_env WIDL
1890 preserve_env WINDRES
1891 preserve_env WINDMC
1892
1893 printf "exec" >>config.status
1894 for i in "$0" "$@"; do
1895 test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status
1896 done
1897 echo ' "$@"' >>config.status
1898 chmod +x config.status
1899
1900 rm -r "$TMPDIR1"