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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 build:
45 @echo 'changing dir to build for $(MAKE) "$(MAKECMDGOALS)"...'
46 @$(MAKE) -C build -f Makefile $(MAKECMDGOALS)
47 @if test "$(MAKECMDGOALS)" = "distclean" && \
48 test -e build/auto-created-by-configure ; \
49 then \
50 rm -rf build GNUmakefile ; \
51 fi
52 %: build
53 @
54 .PHONY: build
55 GNUmakefile: ;
56
57 EOF
58 cd build
59 exec "$source_path/configure" "$@"
60 fi
61
62 # Temporary directory used for files created while
63 # configure runs. Since it is in the build directory
64 # we can safely blow away any previous version of it
65 # (and we need not jump through hoops to try to delete
66 # it when configure exits.)
67 TMPDIR1="config-temp"
68 rm -rf "${TMPDIR1}"
69 if ! mkdir -p "${TMPDIR1}"; then
70 echo "ERROR: failed to create temporary directory"
71 exit 1
72 fi
73
74 TMPB="qemu-conf"
75 TMPC="${TMPDIR1}/${TMPB}.c"
76 TMPO="${TMPDIR1}/${TMPB}.o"
77 TMPE="${TMPDIR1}/${TMPB}.exe"
78
79 rm -f config.log
80
81 # Print a helpful header at the top of config.log
82 echo "# QEMU configure log $(date)" >> config.log
83 printf "# Configured with:" >> config.log
84 # repeat the invocation to log and stdout for CI
85 invoke=$(printf " '%s'" "$0" "$@")
86 test -n "$GITLAB_CI" && echo "configuring with: $invoke"
87 { echo "$invoke"; echo; echo "#"; } >> config.log
88
89 quote_sh() {
90 printf "%s" "$1" | sed "s,','\\\\'',g; s,.*,'&',"
91 }
92
93 error_exit() {
94 (echo
95 echo "ERROR: $1"
96 while test -n "$2"; do
97 echo " $2"
98 shift
99 done
100 echo) >&2
101 exit 1
102 }
103
104 do_compiler() {
105 # Run the compiler, capturing its output to the log. First argument
106 # is compiler binary to execute.
107 compiler="$1"
108 shift
109 if test -n "$BASH_VERSION"; then eval '
110 echo >>config.log "
111 funcs: ${FUNCNAME[*]}
112 lines: ${BASH_LINENO[*]}"
113 '; fi
114 echo $compiler "$@" >> config.log
115 $compiler "$@" >> config.log 2>&1 || return $?
116 }
117
118 do_cc() {
119 do_compiler "$cc" $CPU_CFLAGS "$@"
120 }
121
122 compile_object() {
123 local_cflags="$1"
124 do_cc $CFLAGS $EXTRA_CFLAGS $local_cflags -c -o $TMPO $TMPC
125 }
126
127 compile_prog() {
128 local_cflags="$1"
129 local_ldflags="$2"
130 do_cc $CFLAGS $EXTRA_CFLAGS $local_cflags -o $TMPE $TMPC \
131 $LDFLAGS $EXTRA_LDFLAGS $local_ldflags
132 }
133
134 # symbolically link $1 to $2. Portable version of "ln -sf".
135 symlink() {
136 rm -rf "$2"
137 mkdir -p "$(dirname "$2")"
138 ln -s "$1" "$2"
139 }
140
141 # check whether a command is available to this shell (may be either an
142 # executable or a builtin)
143 has() {
144 type "$1" >/dev/null 2>&1
145 }
146
147 version_ge () {
148 local_ver1=$(expr "$1" : '\([0-9.]*\)' | tr . ' ')
149 local_ver2=$(echo "$2" | tr . ' ')
150 while true; do
151 set x $local_ver1
152 local_first=${2-0}
153 # 'shift 2' if $2 is set, or 'shift' if $2 is not set
154 shift ${2:+2}
155 local_ver1=$*
156 set x $local_ver2
157 # the second argument finished, the first must be greater or equal
158 test $# = 1 && return 0
159 test $local_first -lt $2 && return 1
160 test $local_first -gt $2 && return 0
161 shift ${2:+2}
162 local_ver2=$*
163 done
164 }
165
166 if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
167 then
168 error_exit "main directory cannot contain spaces nor colons"
169 fi
170
171 # parse CC options first; some compiler tests are used to establish
172 # some defaults, based on the host environment
173
174 # default parameters
175 container_engine="auto"
176 cpu=""
177 cross_compile="no"
178 cross_prefix=""
179 host_cc="cc"
180 EXTRA_CFLAGS=""
181 EXTRA_CXXFLAGS=""
182 EXTRA_OBJCFLAGS=""
183 EXTRA_LDFLAGS=""
184
185 # Default value for a variable defining feature "foo".
186 # * foo="no" feature will only be used if --enable-foo arg is given
187 # * foo="" feature will be searched for, and if found, will be used
188 # unless --disable-foo is given
189 # * foo="yes" this value will only be set by --enable-foo flag.
190 # feature will searched for,
191 # if not found, configure exits with error
192 #
193 # Always add --enable-foo and --disable-foo command line args.
194 # Distributions want to ensure that several features are compiled in, and it
195 # is impossible without a --enable-foo that exits if a feature is not found.
196 default_feature=""
197
198 for opt do
199 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
200 case "$opt" in
201 --cross-prefix=*) cross_prefix="$optarg"
202 cross_compile="yes"
203 ;;
204 --cc=*) CC="$optarg"
205 ;;
206 --cxx=*) CXX="$optarg"
207 ;;
208 --objcc=*) objcc="$optarg"
209 ;;
210 --cpu=*) cpu="$optarg"
211 ;;
212 --extra-cflags=*)
213 EXTRA_CFLAGS="$EXTRA_CFLAGS $optarg"
214 EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
215 EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
216 ;;
217 --extra-cxxflags=*) EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
218 ;;
219 --extra-objcflags=*) EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
220 ;;
221 --extra-ldflags=*) EXTRA_LDFLAGS="$EXTRA_LDFLAGS $optarg"
222 ;;
223 --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
224 ;;
225 --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-cflags-}; cc_arch=${cc_arch%%=*}
226 eval "cross_cc_cflags_${cc_arch}=\$optarg"
227 ;;
228 --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
229 eval "cross_cc_${cc_arch}=\$optarg"
230 ;;
231 --cross-prefix-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-prefix-FOO option"
232 ;;
233 --cross-prefix-*) cc_arch=${opt#--cross-prefix-}; cc_arch=${cc_arch%%=*}
234 eval "cross_prefix_${cc_arch}=\$optarg"
235 ;;
236 --without-default-features) default_feature="no"
237 ;;
238 esac
239 done
240
241 default_cflags='-O2 -g'
242 git_submodules_action="update"
243 docs="auto"
244 EXESUF=""
245 system="yes"
246 linux_user=""
247 bsd_user=""
248 plugins="$default_feature"
249 subdirs=""
250 ninja=""
251 python=
252 download="enabled"
253 skip_meson=no
254 use_containers="yes"
255 gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
256 gdb_arches=""
257
258 # Don't accept a target_list environment variable.
259 unset target_list
260 unset target_list_exclude
261
262 # The following Meson options are handled manually (still they
263 # are included in the automatically generated help message)
264 # because they automatically enable/disable other options
265 tcg="auto"
266 cfi="false"
267
268 # Meson has PIE as a boolean rather than enabled/disabled/auto,
269 # and we also need to check for -static-pie before Meson runs
270 # which requires knowing whether --static is enabled.
271 pie=""
272 static="no"
273
274 # Preferred compiler:
275 # ${CC} (if set)
276 # ${cross_prefix}gcc (if cross-prefix specified)
277 # system compiler
278 if test -z "${CC}${cross_prefix}"; then
279 cc="cc"
280 else
281 cc="${CC-${cross_prefix}gcc}"
282 fi
283
284 if test -z "${CXX}${cross_prefix}"; then
285 cxx="c++"
286 else
287 cxx="${CXX-${cross_prefix}g++}"
288 fi
289
290 # Preferred ObjC compiler:
291 # $objcc (if set, i.e. via --objcc option)
292 # ${cross_prefix}clang (if cross-prefix specified)
293 # clang (if available)
294 # $cc
295 if test -z "${objcc}${cross_prefix}"; then
296 if has clang; then
297 objcc=clang
298 else
299 objcc="$cc"
300 fi
301 else
302 objcc="${objcc-${cross_prefix}clang}"
303 fi
304
305 ar="${AR-${cross_prefix}ar}"
306 as="${AS-${cross_prefix}as}"
307 ccas="${CCAS-$cc}"
308 dlltool="${DLLTOOL-${cross_prefix}dlltool}"
309 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
310 ld="${LD-${cross_prefix}ld}"
311 ranlib="${RANLIB-${cross_prefix}ranlib}"
312 nm="${NM-${cross_prefix}nm}"
313 strip="${STRIP-${cross_prefix}strip}"
314 widl="${WIDL-${cross_prefix}widl}"
315 windres="${WINDRES-${cross_prefix}windres}"
316 windmc="${WINDMC-${cross_prefix}windmc}"
317 pkg_config="${PKG_CONFIG-${cross_prefix}pkg-config}"
318 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
319
320 check_define() {
321 cat > $TMPC <<EOF
322 #if !defined($1)
323 #error $1 not defined
324 #endif
325 int main(void) { return 0; }
326 EOF
327 compile_object
328 }
329
330 write_c_skeleton() {
331 cat > $TMPC <<EOF
332 int main(void) { return 0; }
333 EOF
334 }
335
336 if check_define __linux__ ; then
337 targetos=linux
338 elif check_define _WIN32 ; then
339 targetos=windows
340 elif check_define __OpenBSD__ ; then
341 targetos=openbsd
342 elif check_define __sun__ ; then
343 targetos=sunos
344 elif check_define __HAIKU__ ; then
345 targetos=haiku
346 elif check_define __FreeBSD__ ; then
347 targetos=freebsd
348 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
349 targetos=gnu/kfreebsd
350 elif check_define __DragonFly__ ; then
351 targetos=dragonfly
352 elif check_define __NetBSD__; then
353 targetos=netbsd
354 elif check_define __APPLE__; then
355 targetos=darwin
356 else
357 # This is a fatal error, but don't report it yet, because we
358 # might be going to just print the --help text, or it might
359 # be the result of a missing compiler.
360 targetos=bogus
361 fi
362
363 if test ! -z "$cpu" ; then
364 # command line argument
365 :
366 elif check_define __i386__ ; then
367 cpu="i386"
368 elif check_define __x86_64__ ; then
369 if check_define __ILP32__ ; then
370 cpu="x32"
371 else
372 cpu="x86_64"
373 fi
374 elif check_define __sparc__ ; then
375 if check_define __arch64__ ; then
376 cpu="sparc64"
377 else
378 cpu="sparc"
379 fi
380 elif check_define _ARCH_PPC ; then
381 if check_define _ARCH_PPC64 ; then
382 if check_define _LITTLE_ENDIAN ; then
383 cpu="ppc64le"
384 else
385 cpu="ppc64"
386 fi
387 else
388 cpu="ppc"
389 fi
390 elif check_define __mips__ ; then
391 cpu="mips"
392 elif check_define __s390__ ; then
393 if check_define __s390x__ ; then
394 cpu="s390x"
395 else
396 cpu="s390"
397 fi
398 elif check_define __riscv ; then
399 if check_define _LP64 ; then
400 cpu="riscv64"
401 else
402 cpu="riscv32"
403 fi
404 elif check_define __arm__ ; then
405 cpu="arm"
406 elif check_define __aarch64__ ; then
407 cpu="aarch64"
408 elif check_define __loongarch64 ; then
409 cpu="loongarch64"
410 else
411 # Using uname is really broken, but it is just a fallback for architectures
412 # that are going to use TCI anyway
413 cpu=$(uname -m)
414 echo "WARNING: unrecognized host CPU, proceeding with 'uname -m' output '$cpu'"
415 fi
416
417 # Normalise host CPU name to the values used by Meson cross files and in source
418 # directories, and set multilib cflags. The canonicalization isn't really
419 # necessary, because the architectures that we check for should not hit the
420 # 'uname -m' case, but better safe than sorry in case --cpu= is used.
421 #
422 # Note that this case should only have supported host CPUs, not guests.
423 # Please keep it sorted and synchronized with meson.build's host_arch.
424 host_arch=
425 linux_arch=
426 case "$cpu" in
427 aarch64)
428 host_arch=aarch64
429 linux_arch=arm64
430 ;;
431
432 armv*b|armv*l|arm)
433 cpu=arm
434 host_arch=arm
435 linux_arch=arm
436 ;;
437
438 i386|i486|i586|i686)
439 cpu="i386"
440 host_arch=i386
441 linux_arch=x86
442 CPU_CFLAGS="-m32"
443 ;;
444
445 loongarch*)
446 cpu=loongarch64
447 host_arch=loongarch64
448 ;;
449
450 mips64*)
451 cpu=mips64
452 host_arch=mips
453 linux_arch=mips
454 ;;
455 mips*)
456 cpu=mips
457 host_arch=mips
458 linux_arch=mips
459 ;;
460
461 ppc)
462 host_arch=ppc
463 linux_arch=powerpc
464 CPU_CFLAGS="-m32"
465 ;;
466 ppc64)
467 host_arch=ppc64
468 linux_arch=powerpc
469 CPU_CFLAGS="-m64 -mbig-endian"
470 ;;
471 ppc64le)
472 cpu=ppc64
473 host_arch=ppc64
474 linux_arch=powerpc
475 CPU_CFLAGS="-m64 -mlittle-endian"
476 ;;
477
478 riscv32 | riscv64)
479 host_arch=riscv
480 linux_arch=riscv
481 ;;
482
483 s390)
484 linux_arch=s390
485 CPU_CFLAGS="-m31"
486 ;;
487 s390x)
488 host_arch=s390x
489 linux_arch=s390
490 CPU_CFLAGS="-m64"
491 ;;
492
493 sparc|sun4[cdmuv])
494 cpu=sparc
495 CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
496 ;;
497 sparc64)
498 host_arch=sparc64
499 CPU_CFLAGS="-m64 -mcpu=ultrasparc"
500 ;;
501
502 x32)
503 cpu="x86_64"
504 host_arch=x86_64
505 linux_arch=x86
506 CPU_CFLAGS="-mx32"
507 ;;
508 x86_64|amd64)
509 cpu="x86_64"
510 host_arch=x86_64
511 linux_arch=x86
512 # ??? Only extremely old AMD cpus do not have cmpxchg16b.
513 # If we truly care, we should simply detect this case at
514 # runtime and generate the fallback to serial emulation.
515 CPU_CFLAGS="-m64 -mcx16"
516 ;;
517 esac
518
519 if test -n "$host_arch" && {
520 ! test -d "$source_path/linux-user/include/host/$host_arch" ||
521 ! test -d "$source_path/common-user/host/$host_arch"; }; then
522 error_exit "linux-user/include/host/$host_arch does not exist." \
523 "This is a bug in the configure script, please report it."
524 fi
525 if test -n "$linux_arch" && ! test -d "$source_path/linux-headers/asm-$linux_arch"; then
526 error_exit "linux-headers/asm-$linux_arch does not exist." \
527 "This is a bug in the configure script, please report it."
528 fi
529
530 check_py_version() {
531 # We require python >= 3.8.
532 # NB: a True python conditional creates a non-zero return code (Failure)
533 "$1" -c 'import sys; sys.exit(sys.version_info < (3,8))'
534 }
535
536 first_python=
537 if test -z "${PYTHON}"; then
538 # A bare 'python' is traditionally python 2.x, but some distros
539 # have it as python 3.x, so check in both places.
540 for binary in python3 python python3.12 python3.11 \
541 python3.10 python3.9 python3.8; do
542 if has "$binary"; then
543 python=$(command -v "$binary")
544 if check_py_version "$python"; then
545 # This one is good.
546 first_python=
547 break
548 else
549 first_python=$python
550 fi
551 fi
552 done
553 else
554 # Same as above, but only check the environment variable.
555 has "${PYTHON}" || error_exit "The PYTHON environment variable does not point to an executable"
556 python=$(command -v "$PYTHON")
557 if check_py_version "$python"; then
558 # This one is good.
559 first_python=
560 else
561 first_python=$first_python
562 fi
563 fi
564
565 # Check for ancillary tools used in testing
566 genisoimage=
567 for binary in genisoimage mkisofs
568 do
569 if has $binary
570 then
571 genisoimage=$(command -v "$binary")
572 break
573 fi
574 done
575
576 if test "$targetos" = "windows" ; then
577 EXESUF=".exe"
578 fi
579
580 meson_option_build_array() {
581 printf '['
582 (if test "$targetos" = windows; then
583 IFS=\;
584 else
585 IFS=:
586 fi
587 for e in $1; do
588 printf '"""'
589 # backslash escape any '\' and '"' characters
590 printf "%s" "$e" | sed -e 's/\([\"]\)/\\\1/g'
591 printf '""",'
592 done)
593 printf ']\n'
594 }
595
596 . "$source_path/scripts/meson-buildoptions.sh"
597
598 meson_options=
599 meson_option_add() {
600 local arg
601 for arg; do
602 meson_options="$meson_options $(quote_sh "$arg")"
603 done
604 }
605 meson_option_parse() {
606 meson_options="$meson_options $(_meson_option_parse "$@")"
607 if test $? -eq 1; then
608 echo "ERROR: unknown option $1"
609 echo "Try '$0 --help' for more information"
610 exit 1
611 fi
612 }
613
614 meson_add_machine_file() {
615 if test "$cross_compile" = "yes"; then
616 meson_option_add --cross-file "$1"
617 else
618 meson_option_add --native-file "$1"
619 fi
620 }
621
622 for opt do
623 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
624 case "$opt" in
625 --help|-h) show_help=yes
626 ;;
627 --version|-V) exec cat "$source_path/VERSION"
628 ;;
629 --cross-prefix=*)
630 ;;
631 --cc=*)
632 ;;
633 --host-cc=*) host_cc="$optarg"
634 ;;
635 --cxx=*)
636 ;;
637 --objcc=*)
638 ;;
639 --make=*)
640 ;;
641 --install=*)
642 ;;
643 --python=*) python="$optarg"
644 ;;
645 --skip-meson) skip_meson=yes
646 ;;
647 --ninja=*) ninja="$optarg"
648 ;;
649 --extra-cflags=*)
650 ;;
651 --extra-cxxflags=*)
652 ;;
653 --extra-objcflags=*)
654 ;;
655 --extra-ldflags=*)
656 ;;
657 --cross-cc-*)
658 ;;
659 --cross-prefix-*)
660 ;;
661 --enable-docs) docs=enabled
662 ;;
663 --disable-docs) docs=disabled
664 ;;
665 --cpu=*)
666 ;;
667 --target-list=*) target_list="$optarg"
668 if test "$target_list_exclude"; then
669 error_exit "Can't mix --target-list with --target-list-exclude"
670 fi
671 ;;
672 --target-list-exclude=*) target_list_exclude="$optarg"
673 if test "$target_list"; then
674 error_exit "Can't mix --target-list-exclude with --target-list"
675 fi
676 ;;
677 --with-default-devices) meson_option_add -Ddefault_devices=true
678 ;;
679 --without-default-devices) meson_option_add -Ddefault_devices=false
680 ;;
681 --with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option"
682 ;;
683 --with-devices-*) device_arch=${opt#--with-devices-};
684 device_arch=${device_arch%%=*}
685 cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak
686 if test -f "$cf"; then
687 device_archs="$device_archs $device_arch"
688 eval "devices_${device_arch}=\$optarg"
689 else
690 error_exit "File $cf does not exist"
691 fi
692 ;;
693 --without-default-features) # processed above
694 ;;
695 --static) static="yes"
696 ;;
697 --host=*|--build=*|\
698 --disable-dependency-tracking|\
699 --sbindir=*|--sharedstatedir=*|\
700 --oldincludedir=*|--datarootdir=*|--infodir=*|\
701 --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
702 # These switches are silently ignored, for compatibility with
703 # autoconf-generated configure scripts. This allows QEMU's
704 # configure to be used by RPM and similar macros that set
705 # lots of directory switches by default.
706 ;;
707 --enable-debug)
708 # Enable debugging options that aren't excessively noisy
709 meson_option_parse --enable-debug-tcg ""
710 meson_option_parse --enable-debug-graph-lock ""
711 meson_option_parse --enable-debug-mutex ""
712 meson_option_add -Doptimization=0
713 default_cflags='-O0 -g'
714 ;;
715 --disable-tcg) tcg="disabled"
716 ;;
717 --enable-tcg) tcg="enabled"
718 ;;
719 --disable-system) system="no"
720 ;;
721 --enable-system) system="yes"
722 ;;
723 --disable-user)
724 linux_user="no" ;
725 bsd_user="no" ;
726 ;;
727 --enable-user) ;;
728 --disable-linux-user) linux_user="no"
729 ;;
730 --enable-linux-user) linux_user="yes"
731 ;;
732 --disable-bsd-user) bsd_user="no"
733 ;;
734 --enable-bsd-user) bsd_user="yes"
735 ;;
736 --enable-pie) pie="yes"
737 ;;
738 --disable-pie) pie="no"
739 ;;
740 --enable-cfi) cfi=true
741 ;;
742 --disable-cfi) cfi=false
743 ;;
744 --disable-download) download="disabled"; git_submodules_action=validate;
745 ;;
746 --enable-download) download="enabled"; git_submodules_action=update;
747 ;;
748 --enable-plugins) plugins="yes"
749 ;;
750 --disable-plugins) plugins="no"
751 ;;
752 --enable-containers) use_containers="yes"
753 ;;
754 --disable-containers) use_containers="no"
755 ;;
756 --container-engine=*) container_engine="$optarg"
757 ;;
758 --gdb=*) gdb_bin="$optarg"
759 ;;
760 # everything else has the same name in configure and meson
761 --*) meson_option_parse "$opt" "$optarg"
762 ;;
763 # Pass through -Dxxxx options to meson
764 -D*) meson_options="$meson_options $opt"
765 ;;
766 esac
767 done
768
769 if ! test -e "$source_path/.git"
770 then
771 git_submodules_action="validate"
772 fi
773
774 if ! test -f "$source_path/subprojects/keycodemapdb/README" \
775 && test "$download" = disabled
776 then
777 echo
778 echo "ERROR: missing subprojects"
779 echo
780 if test -e "$source_path/.git"; then
781 echo "--disable-download specified but subprojects were not"
782 echo 'checked out. Please invoke "meson subprojects download"'
783 echo "before configuring QEMU, or remove --disable-download"
784 echo "from the command line."
785 else
786 echo "This is not a GIT checkout but subproject content appears to"
787 echo "be missing. Do not use 'git archive' or GitHub download links"
788 echo "to acquire QEMU source archives. Non-GIT builds are only"
789 echo "supported with source archives linked from:"
790 echo
791 echo " https://www.qemu.org/download/#source"
792 echo
793 echo "Developers working with GIT can use scripts/archive-source.sh"
794 echo "if they need to create valid source archives."
795 fi
796 echo
797 exit 1
798 fi
799
800 default_target_list=""
801 mak_wilds=""
802
803 if [ -n "$host_arch" ] && [ -d "$source_path/common-user/host/$host_arch" ]; then
804 if [ "$linux_user" != no ]; then
805 if [ "$targetos" = linux ]; then
806 linux_user=yes
807 elif [ "$linux_user" = yes ]; then
808 error_exit "linux-user not supported on this architecture"
809 fi
810 if [ "$linux_user" = "yes" ]; then
811 mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak"
812 fi
813 fi
814 if [ "$bsd_user" != no ]; then
815 if [ "$bsd_user" = "" ]; then
816 test $targetos = freebsd && bsd_user=yes
817 fi
818 if [ "$bsd_user" = yes ] && ! [ -d "$source_path/bsd-user/$targetos" ]; then
819 error_exit "bsd-user not supported on this host OS"
820 fi
821 if [ "$bsd_user" = "yes" ]; then
822 mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak"
823 fi
824 fi
825 else
826 if [ "$linux_user" = yes ] || [ "$bsd_user" = yes ]; then
827 error_exit "user mode emulation not supported on this architecture"
828 fi
829 fi
830 if [ "$system" = "yes" ]; then
831 mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak"
832 fi
833
834 for config in $mak_wilds; do
835 target="$(basename "$config" .mak)"
836 if echo "$target_list_exclude" | grep -vq "$target"; then
837 default_target_list="${default_target_list} $target"
838 fi
839 done
840
841 if test x"$show_help" = x"yes" ; then
842 cat << EOF
843
844 Usage: configure [options]
845 Options: [defaults in brackets after descriptions]
846
847 Standard options:
848 --help print this message
849 --target-list=LIST set target list (default: build all)
850 $(echo Available targets: $default_target_list | \
851 fold -s -w 53 | sed -e 's/^/ /')
852 --target-list-exclude=LIST exclude a set of targets from the default target-list
853
854 Advanced options (experts only):
855 -Dmesonoptname=val passthrough option to meson unmodified
856 --cross-prefix=PREFIX use PREFIX for compile tools, PREFIX can be blank [$cross_prefix]
857 --cc=CC use C compiler CC [$cc]
858 --host-cc=CC when cross compiling, use C compiler CC for code run
859 at build time [$host_cc]
860 --cxx=CXX use C++ compiler CXX [$cxx]
861 --objcc=OBJCC use Objective-C compiler OBJCC [$objcc]
862 --extra-cflags=CFLAGS append extra C compiler flags CFLAGS
863 --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS
864 --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS
865 --extra-ldflags=LDFLAGS append extra linker flags LDFLAGS
866 --cross-cc-ARCH=CC use compiler when building ARCH guest test cases
867 --cross-cc-cflags-ARCH= use compiler flags when building ARCH guest tests
868 --cross-prefix-ARCH=PREFIX cross compiler prefix when building ARCH guest test cases
869 --python=PYTHON use specified python [$python]
870 --ninja=NINJA use specified ninja [$ninja]
871 --static enable static build [$static]
872 --without-default-features default all --enable-* options to "disabled"
873 --without-default-devices do not include any device that is not needed to
874 start the emulator (only use if you are including
875 desired devices in configs/devices/)
876 --with-devices-ARCH=NAME override default configs/devices
877 --enable-debug enable common debug build options
878 --cpu=CPU Build for host CPU [$cpu]
879 --disable-containers don't use containers for cross-building
880 --container-engine=TYPE which container engine to use [$container_engine]
881 --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin]
882 EOF
883 meson_options_help
884 cat << EOF
885 system all system emulation targets
886 user supported user emulation targets
887 linux-user all linux usermode emulation targets
888 bsd-user all BSD usermode emulation targets
889 pie Position Independent Executables
890
891 NOTE: The object files are built at the place where configure is launched
892 EOF
893 exit 0
894 fi
895
896 # Remove old dependency files to make sure that they get properly regenerated
897 rm -f ./*/config-devices.mak.d
898
899 if test -z "$python"
900 then
901 # If first_python is set, there was a binary somewhere even though
902 # it was not suitable. Use it for the error message.
903 if test -n "$first_python"; then
904 error_exit "Cannot use '$first_python', Python >= 3.8 is required." \
905 "Use --python=/path/to/python to specify a supported Python."
906 else
907 error_exit "Python not found. Use --python=/path/to/python"
908 fi
909 fi
910
911 if ! check_py_version "$python"; then
912 error_exit "Cannot use '$python', Python >= 3.8 is required." \
913 "Use --python=/path/to/python to specify a supported Python." \
914 "Maybe try:" \
915 " openSUSE Leap 15.3+: zypper install python39" \
916 " CentOS 8: dnf install python38"
917 fi
918
919 # Resolve PATH
920 python="$(command -v "$python")"
921
922 # Create a Python virtual environment using our configured python.
923 # The stdout of this script will be the location of a symlink that
924 # points to the configured Python.
925 # Entry point scripts for pip, meson, and sphinx are generated if those
926 # packages are present.
927
928 # Defaults assumed for now:
929 # - venv is cleared if it exists already;
930 # - venv is allowed to use system packages;
931 # - all setup can be performed offline;
932 # - missing packages may be fetched from PyPI,
933 # unless --disable-download is passed.
934 # - pip is not installed into the venv when possible,
935 # but ensurepip is called as a fallback when necessary.
936
937 echo "python determined to be '$python'"
938 echo "python version: $($python --version)"
939
940 python="$($python -B "${source_path}/python/scripts/mkvenv.py" create pyvenv)"
941 if test "$?" -ne 0 ; then
942 error_exit "python venv creation failed"
943 fi
944
945 # Suppress writing compiled files
946 python="$python -B"
947 mkvenv="$python ${source_path}/python/scripts/mkvenv.py"
948
949 # Finish preparing the virtual environment using vendored .whl files
950
951 if $python -c 'import sys; sys.exit(sys.version_info >= (3,11))'; then
952 $mkvenv ensure --dir "${source_path}/python/wheels" \
953 'tomli>=1.2.0' || exit 1
954 fi
955 $mkvenv ensuregroup --dir "${source_path}/python/wheels" \
956 ${source_path}/pythondeps.toml meson || exit 1
957
958 # At this point, we expect Meson to be installed and available.
959 # We expect mkvenv or pip to have created pyvenv/bin/meson for us.
960 # We ignore PATH completely here: we want to use the venv's Meson
961 # *exclusively*.
962
963 meson="$(cd pyvenv/bin; pwd)/meson"
964
965 # Conditionally ensure Sphinx is installed.
966
967 mkvenv_online_flag=""
968 if test "$download" = "enabled" ; then
969 mkvenv_online_flag=" --online"
970 fi
971
972 if test "$docs" != "disabled" ; then
973 if ! $mkvenv ensuregroup \
974 $(test "$docs" = "enabled" && echo "$mkvenv_online_flag") \
975 ${source_path}/pythondeps.toml docs;
976 then
977 if test "$docs" = "enabled" ; then
978 exit 1
979 fi
980 echo "Sphinx not found/usable, disabling docs."
981 docs=disabled
982 else
983 docs=enabled
984 fi
985 fi
986
987 # Probe for ninja
988
989 if test -z "$ninja"; then
990 for c in ninja ninja-build samu; do
991 if has $c; then
992 ninja=$(command -v "$c")
993 break
994 fi
995 done
996 if test -z "$ninja"; then
997 error_exit "Cannot find Ninja"
998 fi
999 fi
1000
1001 if test "$targetos" = "bogus"; then
1002 # Now that we know that we're not printing the help and that
1003 # the compiler works (so the results of the check_defines we used
1004 # to identify the OS are reliable), if we didn't recognize the
1005 # host OS we should stop now.
1006 error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1007 fi
1008
1009 # test for any invalid configuration combinations
1010 if test "$targetos" = "windows" && ! has "$dlltool"; then
1011 if test "$plugins" = "yes"; then
1012 error_exit "TCG plugins requires dlltool to build on Windows platforms"
1013 fi
1014 plugins="no"
1015 fi
1016 if test "$tcg" = "disabled" ; then
1017 if test "$plugins" = "yes"; then
1018 error_exit "Can't enable plugins on non-TCG builds"
1019 fi
1020 plugins="no"
1021 fi
1022 if test "$static" = "yes" ; then
1023 if test "$plugins" = "yes"; then
1024 error_exit "static and plugins are mutually incompatible"
1025 fi
1026 plugins="no"
1027 fi
1028 if test "$plugins" != "no"; then
1029 plugins=yes
1030 subdirs="$subdirs contrib/plugins"
1031 fi
1032
1033 cat > $TMPC << EOF
1034
1035 #ifdef __linux__
1036 # define THREAD __thread
1037 #else
1038 # define THREAD
1039 #endif
1040 static THREAD int tls_var;
1041 int main(void) { return tls_var; }
1042 EOF
1043
1044 if test "$targetos" = windows || test "$targetos" = haiku; then
1045 if test "$pie" = "yes"; then
1046 error_exit "PIE not available due to missing OS support"
1047 fi
1048 pie=no
1049 fi
1050
1051 if test "$pie" != "no"; then
1052 if test "$static" = "yes"; then
1053 pie_ldflags=-static-pie
1054 else
1055 pie_ldflags=-pie
1056 fi
1057 if compile_prog "-Werror -fPIE -DPIE" "$pie_ldflags"; then
1058 pie="yes"
1059 elif test "$pie" = "yes"; then
1060 error_exit "-static-pie not available due to missing toolchain support"
1061 else
1062 echo "Disabling PIE due to missing toolchain support"
1063 pie="no"
1064 fi
1065 fi
1066
1067 ##########################################
1068
1069 if test -z "${target_list+xxx}" ; then
1070 default_targets=yes
1071 for target in $default_target_list; do
1072 target_list="$target_list $target"
1073 done
1074 target_list="${target_list# }"
1075 else
1076 default_targets=no
1077 target_list=$(echo "$target_list" | sed -e 's/,/ /g')
1078 for target in $target_list; do
1079 # Check that we recognised the target name; this allows a more
1080 # friendly error message than if we let it fall through.
1081 case " $default_target_list " in
1082 *" $target "*)
1083 ;;
1084 *)
1085 error_exit "Unknown target name '$target'"
1086 ;;
1087 esac
1088 done
1089 fi
1090
1091 if test "$tcg" = "auto"; then
1092 if test -z "$target_list"; then
1093 tcg="disabled"
1094 else
1095 tcg="enabled"
1096 fi
1097 fi
1098
1099 #########################################
1100 # gdb test
1101
1102 if test -n "$gdb_bin"; then
1103 gdb_version=$($gdb_bin --version | head -n 1)
1104 if version_ge ${gdb_version##* } 9.1; then
1105 gdb_arches=$($python "$source_path/scripts/probe-gdb-support.py" $gdb_bin)
1106 else
1107 gdb_bin=""
1108 fi
1109 fi
1110
1111 ##########################################
1112 # big/little endian test
1113 cat > $TMPC << EOF
1114 #if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
1115 # error LITTLE
1116 #endif
1117 int main(void) { return 0; }
1118 EOF
1119
1120 if ! compile_prog ; then
1121 bigendian="no"
1122 else
1123 cat > $TMPC << EOF
1124 #if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
1125 # error BIG
1126 #endif
1127 int main(void) { return 0; }
1128 EOF
1129
1130 if ! compile_prog ; then
1131 bigendian="yes"
1132 else
1133 echo big/little test failed
1134 exit 1
1135 fi
1136 fi
1137
1138 ##########################################
1139 # functions to probe cross compilers
1140
1141 container="no"
1142 runc=""
1143 if test $use_containers = "yes" && (has "docker" || has "podman"); then
1144 case $($python "$source_path"/tests/docker/docker.py --engine "$container_engine" probe) in
1145 *docker) container=docker ;;
1146 podman) container=podman ;;
1147 no) container=no ;;
1148 esac
1149 if test "$container" != "no"; then
1150 docker_py="$python $source_path/tests/docker/docker.py --engine $container"
1151 runc=$container
1152 fi
1153 fi
1154
1155 # cross compilers defaults, can be overridden with --cross-cc-ARCH
1156 : ${cross_prefix_aarch64="aarch64-linux-gnu-"}
1157 : ${cross_prefix_aarch64_be="$cross_prefix_aarch64"}
1158 : ${cross_prefix_alpha="alpha-linux-gnu-"}
1159 : ${cross_prefix_arm="arm-linux-gnueabihf-"}
1160 : ${cross_prefix_armeb="$cross_prefix_arm"}
1161 : ${cross_prefix_hexagon="hexagon-unknown-linux-musl-"}
1162 : ${cross_prefix_loongarch64="loongarch64-unknown-linux-gnu-"}
1163 : ${cross_prefix_hppa="hppa-linux-gnu-"}
1164 : ${cross_prefix_i386="i686-linux-gnu-"}
1165 : ${cross_prefix_m68k="m68k-linux-gnu-"}
1166 : ${cross_prefix_microblaze="microblaze-linux-musl-"}
1167 : ${cross_prefix_mips64el="mips64el-linux-gnuabi64-"}
1168 : ${cross_prefix_mips64="mips64-linux-gnuabi64-"}
1169 : ${cross_prefix_mipsel="mipsel-linux-gnu-"}
1170 : ${cross_prefix_mips="mips-linux-gnu-"}
1171 : ${cross_prefix_nios2="nios2-linux-gnu-"}
1172 : ${cross_prefix_ppc="powerpc-linux-gnu-"}
1173 : ${cross_prefix_ppc64="powerpc64-linux-gnu-"}
1174 : ${cross_prefix_ppc64le="$cross_prefix_ppc64"}
1175 : ${cross_prefix_riscv64="riscv64-linux-gnu-"}
1176 : ${cross_prefix_s390x="s390x-linux-gnu-"}
1177 : ${cross_prefix_sh4="sh4-linux-gnu-"}
1178 : ${cross_prefix_sparc64="sparc64-linux-gnu-"}
1179 : ${cross_prefix_sparc="$cross_prefix_sparc64"}
1180 : ${cross_prefix_tricore="tricore-"}
1181 : ${cross_prefix_x86_64="x86_64-linux-gnu-"}
1182
1183 : ${cross_cc_aarch64_be="$cross_cc_aarch64"}
1184 : ${cross_cc_cflags_aarch64_be="-mbig-endian"}
1185 : ${cross_cc_armeb="$cross_cc_arm"}
1186 : ${cross_cc_cflags_armeb="-mbig-endian"}
1187 : ${cross_cc_hexagon="hexagon-unknown-linux-musl-clang"}
1188 : ${cross_cc_cflags_hexagon="-mv73 -O2 -static"}
1189 : ${cross_cc_cflags_i386="-m32"}
1190 : ${cross_cc_cflags_ppc="-m32 -mbig-endian"}
1191 : ${cross_cc_cflags_ppc64="-m64 -mbig-endian"}
1192 : ${cross_cc_ppc64le="$cross_cc_ppc64"}
1193 : ${cross_cc_cflags_ppc64le="-m64 -mlittle-endian"}
1194 : ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"}
1195 : ${cross_cc_sparc="$cross_cc_sparc64"}
1196 : ${cross_cc_cflags_sparc="-m32 -mcpu=supersparc"}
1197 : ${cross_cc_cflags_x86_64="-m64"}
1198
1199 compute_target_variable() {
1200 eval "$2="
1201 if eval test -n "\"\${cross_prefix_$1}\""; then
1202 if eval has "\"\${cross_prefix_$1}\$3\""; then
1203 eval "$2=\"\${cross_prefix_$1}\$3\""
1204 fi
1205 fi
1206 }
1207
1208 have_target() {
1209 for i; do
1210 case " $target_list " in
1211 *" $i "*) return 0;;
1212 *) ;;
1213 esac
1214 done
1215 return 1
1216 }
1217
1218 # probe_target_compiler TARGET
1219 #
1220 # Look for a compiler for the given target, either native or cross.
1221 # Set variables target_* if a compiler is found, and container_cross_*
1222 # if a Docker-based cross-compiler image is known for the target.
1223 # Set got_cross_cc to yes/no depending on whether a non-container-based
1224 # compiler was found.
1225 #
1226 # If TARGET is a user-mode emulation target, also set build_static to
1227 # "y" if static linking is possible.
1228 #
1229 probe_target_compiler() {
1230 # reset all output variables
1231 got_cross_cc=no
1232 container_image=
1233 container_hosts=
1234 container_cross_cc=
1235 container_cross_ar=
1236 container_cross_as=
1237 container_cross_ld=
1238 container_cross_nm=
1239 container_cross_objcopy=
1240 container_cross_ranlib=
1241 container_cross_strip=
1242
1243 target_arch=${1%%-*}
1244 case $target_arch in
1245 aarch64) container_hosts="x86_64 aarch64" ;;
1246 alpha) container_hosts=x86_64 ;;
1247 arm) container_hosts="x86_64 aarch64" ;;
1248 cris) container_hosts=x86_64 ;;
1249 hexagon) container_hosts=x86_64 ;;
1250 hppa) container_hosts=x86_64 ;;
1251 i386) container_hosts=x86_64 ;;
1252 loongarch64) container_hosts=x86_64 ;;
1253 m68k) container_hosts=x86_64 ;;
1254 microblaze) container_hosts=x86_64 ;;
1255 mips64el) container_hosts=x86_64 ;;
1256 mips64) container_hosts=x86_64 ;;
1257 mipsel) container_hosts=x86_64 ;;
1258 mips) container_hosts=x86_64 ;;
1259 nios2) container_hosts=x86_64 ;;
1260 ppc) container_hosts=x86_64 ;;
1261 ppc64|ppc64le) container_hosts=x86_64 ;;
1262 riscv64) container_hosts=x86_64 ;;
1263 s390x) container_hosts=x86_64 ;;
1264 sh4) container_hosts=x86_64 ;;
1265 sparc64) container_hosts=x86_64 ;;
1266 tricore) container_hosts=x86_64 ;;
1267 x86_64) container_hosts="aarch64 ppc64le x86_64" ;;
1268 xtensa*) container_hosts=x86_64 ;;
1269 esac
1270
1271 for host in $container_hosts; do
1272 test "$container" != no || continue
1273 test "$host" = "$cpu" || continue
1274 case $target_arch in
1275 aarch64)
1276 # We don't have any bigendian build tools so we only use this for AArch64
1277 container_image=debian-arm64-cross
1278 container_cross_prefix=aarch64-linux-gnu-
1279 container_cross_cc=${container_cross_prefix}gcc
1280 ;;
1281 alpha)
1282 container_image=debian-legacy-test-cross
1283 container_cross_prefix=alpha-linux-gnu-
1284 container_cross_cc=${container_cross_prefix}gcc
1285 ;;
1286 arm)
1287 # We don't have any bigendian build tools so we only use this for ARM
1288 container_image=debian-armhf-cross
1289 container_cross_prefix=arm-linux-gnueabihf-
1290 ;;
1291 cris)
1292 container_image=fedora-cris-cross
1293 container_cross_prefix=cris-linux-gnu-
1294 ;;
1295 hexagon)
1296 container_image=debian-hexagon-cross
1297 container_cross_prefix=hexagon-unknown-linux-musl-
1298 container_cross_cc=${container_cross_prefix}clang
1299 ;;
1300 hppa)
1301 container_image=debian-all-test-cross
1302 container_cross_prefix=hppa-linux-gnu-
1303 container_cross_cc=${container_cross_prefix}gcc
1304 ;;
1305 i386)
1306 container_image=debian-i686-cross
1307 container_cross_prefix=i686-linux-gnu-
1308 ;;
1309 loongarch64)
1310 container_image=debian-loongarch-cross
1311 container_cross_prefix=loongarch64-unknown-linux-gnu-
1312 ;;
1313 m68k)
1314 container_image=debian-all-test-cross
1315 container_cross_prefix=m68k-linux-gnu-
1316 container_cross_cc=${container_cross_prefix}gcc
1317 ;;
1318 microblaze)
1319 container_image=debian-microblaze-cross
1320 container_cross_prefix=microblaze-linux-musl-
1321 ;;
1322 mips64el)
1323 container_image=debian-mips64el-cross
1324 container_cross_prefix=mips64el-linux-gnuabi64-
1325 ;;
1326 mips64)
1327 container_image=debian-all-test-cross
1328 container_cross_prefix=mips64-linux-gnuabi64-
1329 ;;
1330 mips)
1331 container_image=debian-all-test-cross
1332 container_cross_prefix=mips-linux-gnu-
1333 ;;
1334 nios2)
1335 container_image=debian-nios2-cross
1336 container_cross_prefix=nios2-linux-gnu-
1337 ;;
1338 ppc)
1339 container_image=debian-all-test-cross
1340 container_cross_prefix=powerpc-linux-gnu-
1341 container_cross_cc=${container_cross_prefix}gcc
1342 ;;
1343 ppc64|ppc64le)
1344 container_image=debian-all-test-cross
1345 container_cross_prefix=powerpc${target_arch#ppc}-linux-gnu-
1346 ;;
1347 riscv64)
1348 container_image=debian-all-test-cross
1349 container_cross_prefix=riscv64-linux-gnu-
1350 ;;
1351 sh4)
1352 container_image=debian-legacy-test-cross
1353 container_cross_prefix=sh4-linux-gnu-
1354 ;;
1355 sparc64)
1356 container_image=debian-all-test-cross
1357 container_cross_prefix=sparc64-linux-gnu-
1358 ;;
1359 tricore)
1360 container_image=debian-tricore-cross
1361 container_cross_prefix=tricore-
1362 ;;
1363 x86_64)
1364 container_image=debian-amd64-cross
1365 container_cross_prefix=x86_64-linux-gnu-
1366 ;;
1367 xtensa*)
1368 container_image=debian-xtensa-cross
1369
1370 # default to the dc232b cpu
1371 container_cross_prefix=/opt/2020.07/xtensa-dc232b-elf/bin/xtensa-dc232b-elf-
1372 ;;
1373 *)
1374 # Debian and GNU architecture names usually match
1375 container_image=debian-$target_arch-cross
1376 container_cross_prefix=$target_arch-linux-gnu-
1377 ;;
1378 esac
1379 : ${container_cross_cc:=${container_cross_prefix}gcc}
1380 : ${container_cross_ar:=${container_cross_prefix}ar}
1381 : ${container_cross_as:=${container_cross_prefix}as}
1382 : ${container_cross_ld:=${container_cross_prefix}ld}
1383 : ${container_cross_nm:=${container_cross_prefix}nm}
1384 : ${container_cross_objcopy:=${container_cross_prefix}objcopy}
1385 : ${container_cross_ranlib:=${container_cross_prefix}ranlib}
1386 : ${container_cross_strip:=${container_cross_prefix}strip}
1387 done
1388
1389 try=cross
1390 # For softmmu/roms we might be able to use the host compiler
1391 if [ "${1%softmmu}" != "$1" ]; then
1392 case "$target_arch:$cpu" in
1393 aarch64_be:aarch64 | \
1394 armeb:arm | \
1395 i386:x86_64 | \
1396 mips*:mips64 | \
1397 ppc*:ppc64 | \
1398 sparc:sparc64 | \
1399 "$cpu:$cpu")
1400 try='native cross' ;;
1401 esac
1402 fi
1403 eval "target_cflags=\${cross_cc_cflags_$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" >> $config_host_mak
1633 echo "MKVENV_ENSUREGROUP=$mkvenv ensuregroup $mkvenv_online_flag" >> $config_host_mak
1634 echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
1635 echo "MESON=$meson" >> $config_host_mak
1636 echo "NINJA=$ninja" >> $config_host_mak
1637 echo "EXESUF=$EXESUF" >> $config_host_mak
1638
1639 # use included Linux headers for KVM architectures
1640 if test "$targetos" = "linux" && test -n "$linux_arch"; then
1641 symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
1642 fi
1643
1644 for target in $target_list; do
1645 target_dir="$target"
1646 target_name=$(echo $target | cut -d '-' -f 1)$EXESUF
1647 case $target in
1648 *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;;
1649 *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;;
1650 esac
1651 done
1652
1653 if test "$default_targets" = "yes"; then
1654 echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak
1655 fi
1656
1657 # contrib/plugins configuration
1658 echo "# Automatically generated by configure - do not modify" > contrib/plugins/$config_host_mak
1659 echo "SRC_PATH=$source_path/contrib/plugins" >> contrib/plugins/$config_host_mak
1660 echo "PKG_CONFIG=${pkg_config}" >> contrib/plugins/$config_host_mak
1661 echo "CC=$cc $CPU_CFLAGS" >> contrib/plugins/$config_host_mak
1662 echo "CFLAGS=${CFLAGS-$default_cflags} $EXTRA_CFLAGS" >> contrib/plugins/$config_host_mak
1663 if test "$targetos" = windows; then
1664 echo "DLLTOOL=$dlltool" >> contrib/plugins/$config_host_mak
1665 fi
1666 if test "$targetos" = darwin; then
1667 echo "CONFIG_DARWIN=y" >> contrib/plugins/$config_host_mak
1668 fi
1669 if test "$targetos" = windows; then
1670 echo "CONFIG_WIN32=y" >> contrib/plugins/$config_host_mak
1671 fi
1672
1673 # tests/tcg configuration
1674 (config_host_mak=tests/tcg/config-host.mak
1675 mkdir -p tests/tcg
1676 echo "# Automatically generated by configure - do not modify" > $config_host_mak
1677 echo "SRC_PATH=$source_path" >> $config_host_mak
1678
1679 tcg_tests_targets=
1680 for target in $target_list; do
1681 arch=${target%%-*}
1682
1683 case $target in
1684 xtensa*-linux-user)
1685 # the toolchain is not complete with headers, only build system tests
1686 continue
1687 ;;
1688 *-softmmu)
1689 test -f "$source_path/tests/tcg/$arch/Makefile.softmmu-target" || continue
1690 qemu="qemu-system-$arch"
1691 ;;
1692 *-linux-user|*-bsd-user)
1693 qemu="qemu-$arch"
1694 ;;
1695 esac
1696
1697 if probe_target_compiler $target || test -n "$container_image"; then
1698 test -n "$container_image" && build_static=y
1699 mkdir -p "tests/tcg/$target"
1700 config_target_mak=tests/tcg/$target/config-target.mak
1701 ln -sf "$source_path/tests/tcg/Makefile.target" "tests/tcg/$target/Makefile"
1702 echo "# Automatically generated by configure - do not modify" > "$config_target_mak"
1703 echo "TARGET_NAME=$arch" >> "$config_target_mak"
1704 echo "TARGET=$target" >> "$config_target_mak"
1705 write_target_makefile "build-tcg-tests-$target" >> "$config_target_mak"
1706 echo "BUILD_STATIC=$build_static" >> "$config_target_mak"
1707 echo "QEMU=$PWD/$qemu" >> "$config_target_mak"
1708
1709 # will GDB work with these binaries?
1710 if test "${gdb_arches#*$arch}" != "$gdb_arches"; then
1711 echo "GDB=$gdb_bin" >> $config_target_mak
1712 fi
1713
1714 echo "run-tcg-tests-$target: $qemu\$(EXESUF)" >> Makefile.prereqs
1715 tcg_tests_targets="$tcg_tests_targets $target"
1716 fi
1717 done
1718
1719 if test "$tcg" = "enabled"; then
1720 echo "TCG_TESTS_TARGETS=$tcg_tests_targets" >> config-host.mak
1721 fi
1722 )
1723
1724 if test "$skip_meson" = no; then
1725 cross="config-meson.cross.new"
1726 meson_quote() {
1727 test $# = 0 && return
1728 echo "'$(echo $* | sed "s/ /','/g")'"
1729 }
1730
1731 echo "# Automatically generated by configure - do not modify" > $cross
1732 echo "[properties]" >> $cross
1733
1734 # unroll any custom device configs
1735 for a in $device_archs; do
1736 eval "c=\$devices_${a}"
1737 echo "${a}-softmmu = '$c'" >> $cross
1738 done
1739
1740 echo "[built-in options]" >> $cross
1741 echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross
1742 echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross
1743 test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross
1744 echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross
1745 echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross
1746
1747 # Only enable by default for git builds and on select OSes
1748 echo "# environment defaults, can still be overridden on " >> $cross
1749 echo "# the command line" >> $cross
1750 if test -e "$source_path/.git" && \
1751 { test "$targetos" = linux || test "$targetos" = "windows"; }; then
1752 echo 'werror = true' >> $cross
1753 fi
1754 echo "[project options]" >> $cross
1755 if test "$SMBD" != ''; then
1756 echo "smbd = $(meson_quote "$SMBD")" >> $cross
1757 fi
1758 if test "${QEMU_GA_MANUFACTURER}" != ''; then
1759 echo "qemu_ga_manufacturer = $(meson_quote "${QEMU_GA_MANUFACTURER}")" >> $cross
1760 fi
1761 if test "${QEMU_GA_DISTRO}" != ''; then
1762 echo "qemu_ga_distro = $(meson_quote "${QEMU_GA_DISTRO}")" >> $cross
1763 fi
1764 if test "${QEMU_GA_VERSION}" != ''; then
1765 echo "qemu_ga_version = $(meson_quote "${QEMU_GA_VERSION}")" >> $cross
1766 fi
1767
1768 echo >> $cross
1769 echo "[binaries]" >> $cross
1770 echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross
1771 test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross
1772 test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross
1773 echo "ar = [$(meson_quote $ar)]" >> $cross
1774 echo "dlltool = [$(meson_quote $dlltool)]" >> $cross
1775 echo "nm = [$(meson_quote $nm)]" >> $cross
1776 echo "pkgconfig = [$(meson_quote $pkg_config)]" >> $cross
1777 echo "pkg-config = [$(meson_quote $pkg_config)]" >> $cross
1778 echo "ranlib = [$(meson_quote $ranlib)]" >> $cross
1779 if has $sdl2_config; then
1780 echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross
1781 fi
1782 echo "strip = [$(meson_quote $strip)]" >> $cross
1783 echo "widl = [$(meson_quote $widl)]" >> $cross
1784 echo "windres = [$(meson_quote $windres)]" >> $cross
1785 echo "windmc = [$(meson_quote $windmc)]" >> $cross
1786 if test "$cross_compile" = "yes"; then
1787 echo "[host_machine]" >> $cross
1788 echo "system = '$targetos'" >> $cross
1789 case "$cpu" in
1790 i386)
1791 echo "cpu_family = 'x86'" >> $cross
1792 ;;
1793 *)
1794 echo "cpu_family = '$cpu'" >> $cross
1795 ;;
1796 esac
1797 echo "cpu = '$cpu'" >> $cross
1798 if test "$bigendian" = "yes" ; then
1799 echo "endian = 'big'" >> $cross
1800 else
1801 echo "endian = 'little'" >> $cross
1802 fi
1803
1804 native="config-meson.native.new"
1805 echo "# Automatically generated by configure - do not modify" > $native
1806 echo "[binaries]" >> $native
1807 echo "c = [$(meson_quote $host_cc)]" >> $native
1808 mv $native config-meson.native
1809 meson_option_add --native-file
1810 meson_option_add config-meson.native
1811 fi
1812 mv $cross config-meson.cross
1813 meson_add_machine_file config-meson.cross
1814 if test -f "$source_path/configs/meson/$targetos.txt"; then
1815 meson_add_machine_file $source_path/configs/meson/$targetos.txt
1816 fi
1817
1818 rm -rf meson-private meson-info meson-logs
1819
1820 test "$download" = "disabled" && meson_option_add "--wrap-mode=nodownload"
1821 test "$default_feature" = no && meson_option_add -Dauto_features=disabled
1822 test "$static" = yes && meson_option_add -Dprefer_static=true
1823 test "$pie" = no && meson_option_add -Db_pie=false
1824
1825 # QEMU options
1826 test "$cfi" != false && meson_option_add "-Dcfi=$cfi" "-Db_lto=$cfi"
1827 test "$docs" != auto && meson_option_add "-Ddocs=$docs"
1828 test -n "${LIB_FUZZING_ENGINE+xxx}" && meson_option_add "-Dfuzzing_engine=$LIB_FUZZING_ENGINE"
1829 test "$plugins" = yes && meson_option_add "-Dplugins=true"
1830 test "$tcg" != enabled && meson_option_add "-Dtcg=$tcg"
1831 run_meson() {
1832 NINJA=$ninja $meson setup "$@" "$PWD" "$source_path"
1833 }
1834 eval run_meson $meson_options
1835 if test "$?" -ne 0 ; then
1836 error_exit "meson setup failed"
1837 fi
1838 echo "$meson" > build.ninja.stamp
1839 else
1840 if test -f meson-private/cmd_line.txt; then
1841 # Adjust old command line options that were removed
1842 # sed -i is not portable
1843 perl -i -ne '
1844 /^sphinx_build/ && next;
1845 print;' meson-private/cmd_line.txt
1846 fi
1847 fi
1848
1849 # Save the configure command line for later reuse.
1850 cat <<EOD >config.status
1851 #!/bin/sh
1852 # Generated by configure.
1853 # Run this file to recreate the current configuration.
1854 # Compiler output produced by configure, useful for debugging
1855 # configure, is in config.log if it exists.
1856 EOD
1857
1858 preserve_env() {
1859 envname=$1
1860
1861 eval envval=\$$envname
1862
1863 if test -n "$envval"
1864 then
1865 echo "$envname='$envval'" >> config.status
1866 echo "export $envname" >> config.status
1867 else
1868 echo "unset $envname" >> config.status
1869 fi
1870 }
1871
1872 # Preserve various env variables that influence what
1873 # features/build target configure will detect
1874 preserve_env AR
1875 preserve_env AS
1876 preserve_env CC
1877 preserve_env CFLAGS
1878 preserve_env CXX
1879 preserve_env CXXFLAGS
1880 preserve_env DLLTOOL
1881 preserve_env LD
1882 preserve_env LDFLAGS
1883 preserve_env LD_LIBRARY_PATH
1884 preserve_env NM
1885 preserve_env OBJCFLAGS
1886 preserve_env OBJCOPY
1887 preserve_env PATH
1888 preserve_env PKG_CONFIG
1889 preserve_env PKG_CONFIG_LIBDIR
1890 preserve_env PKG_CONFIG_PATH
1891 preserve_env PYTHON
1892 preserve_env QEMU_GA_MANUFACTURER
1893 preserve_env QEMU_GA_DISTRO
1894 preserve_env QEMU_GA_VERSION
1895 preserve_env SDL2_CONFIG
1896 preserve_env SMBD
1897 preserve_env STRIP
1898 preserve_env WIDL
1899 preserve_env WINDRES
1900 preserve_env WINDMC
1901
1902 printf "exec" >>config.status
1903 for i in "$0" "$@"; do
1904 test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status
1905 done
1906 echo ' "$@"' >>config.status
1907 chmod +x config.status
1908
1909 rm -r "$TMPDIR1"