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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 $MARKER
34 then
35 echo "ERROR: Could not create ./build directory. Check the permissions on"
36 echo "your source directory, or try doing an out-of-tree build."
37 exit 1
38 fi
39
40 cat > GNUmakefile <<'EOF'
41 # This file is auto-generated by configure to support in-source tree
42 # 'make' command invocation
43
44 ifeq ($(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 print_error() {
98 (echo
99 echo "ERROR: $1"
100 while test -n "$2"; do
101 echo " $2"
102 shift
103 done
104 echo) >&2
105 }
106
107 error_exit() {
108 print_error "$@"
109 exit 1
110 }
111
112 do_compiler() {
113 # Run the compiler, capturing its output to the log. First argument
114 # is compiler binary to execute.
115 compiler="$1"
116 shift
117 if test -n "$BASH_VERSION"; then eval '
118 echo >>config.log "
119 funcs: ${FUNCNAME[*]}
120 lines: ${BASH_LINENO[*]}"
121 '; fi
122 echo $compiler "$@" >> config.log
123 $compiler "$@" >> config.log 2>&1 || return $?
124 }
125
126 do_cc() {
127 do_compiler "$cc" $CPU_CFLAGS "$@"
128 }
129
130 compile_object() {
131 local_cflags="$1"
132 do_cc $CFLAGS $EXTRA_CFLAGS $local_cflags -c -o $TMPO $TMPC
133 }
134
135 compile_prog() {
136 local_cflags="$1"
137 local_ldflags="$2"
138 do_cc $CFLAGS $EXTRA_CFLAGS $local_cflags -o $TMPE $TMPC \
139 $LDFLAGS $EXTRA_LDFLAGS $local_ldflags
140 }
141
142 # symbolically link $1 to $2. Portable version of "ln -sf".
143 symlink() {
144 rm -rf "$2"
145 mkdir -p "$(dirname "$2")"
146 ln -s "$1" "$2"
147 }
148
149 # check whether a command is available to this shell (may be either an
150 # executable or a builtin)
151 has() {
152 type "$1" >/dev/null 2>&1
153 }
154
155 version_ge () {
156 local_ver1=$(expr "$1" : '\([0-9.]*\)' | tr . ' ')
157 local_ver2=$(echo "$2" | tr . ' ')
158 while true; do
159 set x $local_ver1
160 local_first=${2-0}
161 # 'shift 2' if $2 is set, or 'shift' if $2 is not set
162 shift ${2:+2}
163 local_ver1=$*
164 set x $local_ver2
165 # the second argument finished, the first must be greater or equal
166 test $# = 1 && return 0
167 test $local_first -lt $2 && return 1
168 test $local_first -gt $2 && return 0
169 shift ${2:+2}
170 local_ver2=$*
171 done
172 }
173
174 if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
175 then
176 error_exit "main directory cannot contain spaces nor colons"
177 fi
178
179 # parse CC options first; some compiler tests are used to establish
180 # some defaults, based on the host environment
181
182 # default parameters
183 cpu=""
184 cross_compile="no"
185 cross_prefix=""
186 host_cc="cc"
187 EXTRA_CFLAGS=""
188 EXTRA_CXXFLAGS=""
189 EXTRA_OBJCFLAGS=""
190 EXTRA_LDFLAGS=""
191
192 # Default value for a variable defining feature "foo".
193 # * foo="no" feature will only be used if --enable-foo arg is given
194 # * foo="" feature will be searched for, and if found, will be used
195 # unless --disable-foo is given
196 # * foo="yes" this value will only be set by --enable-foo flag.
197 # feature will searched for,
198 # if not found, configure exits with error
199 #
200 # Always add --enable-foo and --disable-foo command line args.
201 # Distributions want to ensure that several features are compiled in, and it
202 # is impossible without a --enable-foo that exits if a feature is not found.
203 default_feature=""
204
205 for opt do
206 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
207 case "$opt" in
208 --cross-prefix=*) cross_prefix="$optarg"
209 cross_compile="yes"
210 ;;
211 --cc=*) CC="$optarg"
212 ;;
213 --cxx=*) CXX="$optarg"
214 ;;
215 --objcc=*) objcc="$optarg"
216 ;;
217 --cpu=*) cpu="$optarg"
218 ;;
219 --extra-cflags=*)
220 EXTRA_CFLAGS="$EXTRA_CFLAGS $optarg"
221 EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
222 EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
223 ;;
224 --extra-cxxflags=*) EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
225 ;;
226 --extra-objcflags=*) EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
227 ;;
228 --extra-ldflags=*) EXTRA_LDFLAGS="$EXTRA_LDFLAGS $optarg"
229 ;;
230 --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
231 ;;
232 --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-cflags-}; cc_arch=${cc_arch%%=*}
233 eval "cross_cc_cflags_${cc_arch}=\$optarg"
234 ;;
235 --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
236 eval "cross_cc_${cc_arch}=\$optarg"
237 ;;
238 --cross-prefix-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-prefix-FOO option"
239 ;;
240 --cross-prefix-*) cc_arch=${opt#--cross-prefix-}; cc_arch=${cc_arch%%=*}
241 eval "cross_prefix_${cc_arch}=\$optarg"
242 ;;
243 --without-default-features) default_feature="no"
244 ;;
245 esac
246 done
247
248
249 git_submodules_action="update"
250 git="git"
251 debug_tcg="no"
252 docs="auto"
253 EXESUF=""
254 prefix="/usr/local"
255 qemu_suffix="qemu"
256 softmmu="yes"
257 linux_user=""
258 bsd_user=""
259 plugins="$default_feature"
260 ninja=""
261 python=
262 download="enabled"
263 bindir="bin"
264 skip_meson=no
265 use_containers="yes"
266 gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
267 gdb_arches=""
268 werror=""
269
270 # Don't accept a target_list environment variable.
271 unset target_list
272 unset target_list_exclude
273
274 # The following Meson options are handled manually (still they
275 # are included in the automatically generated help message)
276 # because they automatically enable/disable other options
277 tcg="auto"
278 cfi="false"
279
280 # Meson has PIE as a boolean rather than enabled/disabled/auto,
281 # and we also need to check for -static-pie before Meson runs
282 # which requires knowing whether --static is enabled.
283 pie=""
284 static="no"
285
286 # Preferred compiler:
287 # ${CC} (if set)
288 # ${cross_prefix}gcc (if cross-prefix specified)
289 # system compiler
290 if test -z "${CC}${cross_prefix}"; then
291 cc="$host_cc"
292 else
293 cc="${CC-${cross_prefix}gcc}"
294 fi
295
296 if test -z "${CXX}${cross_prefix}"; then
297 cxx="c++"
298 else
299 cxx="${CXX-${cross_prefix}g++}"
300 fi
301
302 # Preferred ObjC compiler:
303 # $objcc (if set, i.e. via --objcc option)
304 # ${cross_prefix}clang (if cross-prefix specified)
305 # clang (if available)
306 # $cc
307 if test -z "${objcc}${cross_prefix}"; then
308 if has clang; then
309 objcc=clang
310 else
311 objcc="$cc"
312 fi
313 else
314 objcc="${objcc-${cross_prefix}clang}"
315 fi
316
317 ar="${AR-${cross_prefix}ar}"
318 as="${AS-${cross_prefix}as}"
319 ccas="${CCAS-$cc}"
320 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
321 ld="${LD-${cross_prefix}ld}"
322 ranlib="${RANLIB-${cross_prefix}ranlib}"
323 nm="${NM-${cross_prefix}nm}"
324 smbd="$SMBD"
325 strip="${STRIP-${cross_prefix}strip}"
326 widl="${WIDL-${cross_prefix}widl}"
327 windres="${WINDRES-${cross_prefix}windres}"
328 windmc="${WINDMC-${cross_prefix}windmc}"
329 pkg_config="${PKG_CONFIG-${cross_prefix}pkg-config}"
330 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
331
332 check_define() {
333 cat > $TMPC <<EOF
334 #if !defined($1)
335 #error $1 not defined
336 #endif
337 int main(void) { return 0; }
338 EOF
339 compile_object
340 }
341
342 write_c_skeleton() {
343 cat > $TMPC <<EOF
344 int main(void) { return 0; }
345 EOF
346 }
347
348 if check_define __linux__ ; then
349 targetos=linux
350 elif check_define _WIN32 ; then
351 targetos=windows
352 elif check_define __OpenBSD__ ; then
353 targetos=openbsd
354 elif check_define __sun__ ; then
355 targetos=sunos
356 elif check_define __HAIKU__ ; then
357 targetos=haiku
358 elif check_define __FreeBSD__ ; then
359 targetos=freebsd
360 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
361 targetos=gnu/kfreebsd
362 elif check_define __DragonFly__ ; then
363 targetos=dragonfly
364 elif check_define __NetBSD__; then
365 targetos=netbsd
366 elif check_define __APPLE__; then
367 targetos=darwin
368 else
369 # This is a fatal error, but don't report it yet, because we
370 # might be going to just print the --help text, or it might
371 # be the result of a missing compiler.
372 targetos=bogus
373 fi
374
375 # OS specific
376
377 mingw32="no"
378 bsd="no"
379 linux="no"
380 solaris="no"
381 case $targetos in
382 windows)
383 mingw32="yes"
384 plugins="no"
385 pie="no"
386 ;;
387 gnu/kfreebsd)
388 bsd="yes"
389 ;;
390 freebsd)
391 bsd="yes"
392 # needed for kinfo_getvmmap(3) in libutil.h
393 ;;
394 dragonfly)
395 bsd="yes"
396 ;;
397 netbsd)
398 bsd="yes"
399 ;;
400 openbsd)
401 bsd="yes"
402 ;;
403 darwin)
404 bsd="yes"
405 darwin="yes"
406 ;;
407 sunos)
408 solaris="yes"
409 ;;
410 haiku)
411 pie="no"
412 ;;
413 linux)
414 linux="yes"
415 ;;
416 esac
417
418 if test ! -z "$cpu" ; then
419 # command line argument
420 :
421 elif check_define __i386__ ; then
422 cpu="i386"
423 elif check_define __x86_64__ ; then
424 if check_define __ILP32__ ; then
425 cpu="x32"
426 else
427 cpu="x86_64"
428 fi
429 elif check_define __sparc__ ; then
430 if check_define __arch64__ ; then
431 cpu="sparc64"
432 else
433 cpu="sparc"
434 fi
435 elif check_define _ARCH_PPC ; then
436 if check_define _ARCH_PPC64 ; then
437 if check_define _LITTLE_ENDIAN ; then
438 cpu="ppc64le"
439 else
440 cpu="ppc64"
441 fi
442 else
443 cpu="ppc"
444 fi
445 elif check_define __mips__ ; then
446 cpu="mips"
447 elif check_define __s390__ ; then
448 if check_define __s390x__ ; then
449 cpu="s390x"
450 else
451 cpu="s390"
452 fi
453 elif check_define __riscv ; then
454 if check_define _LP64 ; then
455 cpu="riscv64"
456 else
457 cpu="riscv32"
458 fi
459 elif check_define __arm__ ; then
460 cpu="arm"
461 elif check_define __aarch64__ ; then
462 cpu="aarch64"
463 elif check_define __loongarch64 ; then
464 cpu="loongarch64"
465 else
466 # Using uname is really broken, but it is just a fallback for architectures
467 # that are going to use TCI anyway
468 cpu=$(uname -m)
469 echo "WARNING: unrecognized host CPU, proceeding with 'uname -m' output '$cpu'"
470 fi
471
472 # Normalise host CPU name and set multilib cflags. The canonicalization
473 # isn't really necessary, because the architectures that we check for
474 # should not hit the 'uname -m' case, but better safe than sorry.
475 # Note that this case should only have supported host CPUs, not guests.
476 case "$cpu" in
477 armv*b|armv*l|arm)
478 cpu="arm" ;;
479
480 i386|i486|i586|i686)
481 cpu="i386"
482 CPU_CFLAGS="-m32" ;;
483 x32)
484 cpu="x86_64"
485 CPU_CFLAGS="-mx32" ;;
486 x86_64|amd64)
487 cpu="x86_64"
488 # ??? Only extremely old AMD cpus do not have cmpxchg16b.
489 # If we truly care, we should simply detect this case at
490 # runtime and generate the fallback to serial emulation.
491 CPU_CFLAGS="-m64 -mcx16" ;;
492
493 mips*)
494 cpu="mips" ;;
495
496 ppc)
497 CPU_CFLAGS="-m32" ;;
498 ppc64)
499 CPU_CFLAGS="-m64 -mbig-endian" ;;
500 ppc64le)
501 cpu="ppc64"
502 CPU_CFLAGS="-m64 -mlittle-endian" ;;
503
504 s390)
505 CPU_CFLAGS="-m31" ;;
506 s390x)
507 CPU_CFLAGS="-m64" ;;
508
509 sparc|sun4[cdmuv])
510 cpu="sparc"
511 CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc" ;;
512 sparc64)
513 CPU_CFLAGS="-m64 -mcpu=ultrasparc" ;;
514 esac
515
516 check_py_version() {
517 # We require python >= 3.7.
518 # NB: a True python conditional creates a non-zero return code (Failure)
519 "$1" -c 'import sys; sys.exit(sys.version_info < (3,7))'
520 }
521
522 first_python=
523 if test -z "${PYTHON}"; then
524 # A bare 'python' is traditionally python 2.x, but some distros
525 # have it as python 3.x, so check in both places.
526 for binary in python3 python python3.11 python3.10 python3.9 python3.8 python3.7; do
527 if has "$binary"; then
528 python=$(command -v "$binary")
529 if check_py_version "$python"; then
530 # This one is good.
531 first_python=
532 break
533 else
534 first_python=$python
535 fi
536 fi
537 done
538 else
539 # Same as above, but only check the environment variable.
540 has "${PYTHON}" || error_exit "The PYTHON environment variable does not point to an executable"
541 python=$(command -v "$PYTHON")
542 if check_py_version "$python"; then
543 # This one is good.
544 first_python=
545 else
546 first_python=$first_python
547 fi
548 fi
549
550 # Check for ancillary tools used in testing
551 genisoimage=
552 for binary in genisoimage mkisofs
553 do
554 if has $binary
555 then
556 genisoimage=$(command -v "$binary")
557 break
558 fi
559 done
560
561 if test "$mingw32" = "yes" ; then
562 EXESUF=".exe"
563 prefix="/qemu"
564 bindir=""
565 qemu_suffix=""
566 fi
567
568 meson_option_build_array() {
569 printf '['
570 (if test "$targetos" = windows; then
571 IFS=\;
572 else
573 IFS=:
574 fi
575 for e in $1; do
576 printf '"""'
577 # backslash escape any '\' and '"' characters
578 printf "%s" "$e" | sed -e 's/\([\"]\)/\\\1/g'
579 printf '""",'
580 done)
581 printf ']\n'
582 }
583
584 . "$source_path/scripts/meson-buildoptions.sh"
585
586 meson_options=
587 meson_option_add() {
588 meson_options="$meson_options $(quote_sh "$1")"
589 }
590 meson_option_parse() {
591 meson_options="$meson_options $(_meson_option_parse "$@")"
592 if test $? -eq 1; then
593 echo "ERROR: unknown option $1"
594 echo "Try '$0 --help' for more information"
595 exit 1
596 fi
597 }
598
599 for opt do
600 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
601 case "$opt" in
602 --help|-h) show_help=yes
603 ;;
604 --version|-V) exec cat "$source_path/VERSION"
605 ;;
606 --prefix=*) prefix="$optarg"
607 ;;
608 --cross-prefix=*)
609 ;;
610 --cc=*)
611 ;;
612 --host-cc=*) host_cc="$optarg"
613 ;;
614 --cxx=*)
615 ;;
616 --objcc=*)
617 ;;
618 --make=*)
619 ;;
620 --install=*)
621 ;;
622 --python=*) python="$optarg"
623 ;;
624 --skip-meson) skip_meson=yes
625 ;;
626 --ninja=*) ninja="$optarg"
627 ;;
628 --smbd=*) smbd="$optarg"
629 ;;
630 --extra-cflags=*)
631 ;;
632 --extra-cxxflags=*)
633 ;;
634 --extra-objcflags=*)
635 ;;
636 --extra-ldflags=*)
637 ;;
638 --cross-cc-*)
639 ;;
640 --cross-prefix-*)
641 ;;
642 --enable-docs) docs=enabled
643 ;;
644 --disable-docs) docs=disabled
645 ;;
646 --cpu=*)
647 ;;
648 --target-list=*) target_list="$optarg"
649 if test "$target_list_exclude"; then
650 error_exit "Can't mix --target-list with --target-list-exclude"
651 fi
652 ;;
653 --target-list-exclude=*) target_list_exclude="$optarg"
654 if test "$target_list"; then
655 error_exit "Can't mix --target-list-exclude with --target-list"
656 fi
657 ;;
658 --with-default-devices) meson_option_add -Ddefault_devices=true
659 ;;
660 --without-default-devices) meson_option_add -Ddefault_devices=false
661 ;;
662 --with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option"
663 ;;
664 --with-devices-*) device_arch=${opt#--with-devices-};
665 device_arch=${device_arch%%=*}
666 cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak
667 if test -f "$cf"; then
668 device_archs="$device_archs $device_arch"
669 eval "devices_${device_arch}=\$optarg"
670 else
671 error_exit "File $cf does not exist"
672 fi
673 ;;
674 --without-default-features) # processed above
675 ;;
676 --static) static="yes"
677 ;;
678 --bindir=*) bindir="$optarg"
679 ;;
680 --with-suffix=*) qemu_suffix="$optarg"
681 ;;
682 --host=*|--build=*|\
683 --disable-dependency-tracking|\
684 --sbindir=*|--sharedstatedir=*|\
685 --oldincludedir=*|--datarootdir=*|--infodir=*|\
686 --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
687 # These switches are silently ignored, for compatibility with
688 # autoconf-generated configure scripts. This allows QEMU's
689 # configure to be used by RPM and similar macros that set
690 # lots of directory switches by default.
691 ;;
692 --enable-debug-tcg) debug_tcg="yes"
693 ;;
694 --disable-debug-tcg) debug_tcg="no"
695 ;;
696 --enable-debug)
697 # Enable debugging options that aren't excessively noisy
698 debug_tcg="yes"
699 meson_option_parse --enable-debug-graph-lock ""
700 meson_option_parse --enable-debug-mutex ""
701 meson_option_add -Doptimization=0
702 ;;
703 --disable-tcg) tcg="disabled"
704 plugins="no"
705 ;;
706 --enable-tcg) tcg="enabled"
707 ;;
708 --disable-system) softmmu="no"
709 ;;
710 --enable-system) softmmu="yes"
711 ;;
712 --disable-user)
713 linux_user="no" ;
714 bsd_user="no" ;
715 ;;
716 --enable-user) ;;
717 --disable-linux-user) linux_user="no"
718 ;;
719 --enable-linux-user) linux_user="yes"
720 ;;
721 --disable-bsd-user) bsd_user="no"
722 ;;
723 --enable-bsd-user) bsd_user="yes"
724 ;;
725 --enable-pie) pie="yes"
726 ;;
727 --disable-pie) pie="no"
728 ;;
729 --enable-werror) werror="yes"
730 ;;
731 --disable-werror) werror="no"
732 ;;
733 --enable-cfi)
734 cfi="true";
735 meson_option_add -Db_lto=true
736 ;;
737 --disable-cfi) cfi="false"
738 ;;
739 --disable-download) download="disabled"; git_submodules_action=validate;
740 ;;
741 --enable-download) download="enabled"; git_submodules_action=update;
742 ;;
743 --enable-plugins) if test "$mingw32" = "yes"; then
744 error_exit "TCG plugins not currently supported on Windows platforms"
745 else
746 plugins="yes"
747 fi
748 ;;
749 --disable-plugins) plugins="no"
750 ;;
751 --enable-containers) use_containers="yes"
752 ;;
753 --disable-containers) use_containers="no"
754 ;;
755 --gdb=*) gdb_bin="$optarg"
756 ;;
757 # everything else has the same name in configure and meson
758 --*) meson_option_parse "$opt" "$optarg"
759 ;;
760 esac
761 done
762
763 if ! test -e "$source_path/.git"
764 then
765 git_submodules_action="validate"
766 fi
767
768 # test for any invalid configuration combinations
769 if test "$plugins" = "yes" -a "$tcg" = "disabled"; then
770 error_exit "Can't enable plugins on non-TCG builds"
771 fi
772
773 if ! test -f "$source_path/subprojects/keycodemapdb/README" \
774 && test "$download" = disabled
775 then
776 echo
777 echo "ERROR: missing subprojects"
778 echo
779 if test -e "$source_path/.git"; then
780 echo "--disable-download specified but subprojects were not"
781 echo 'checked out. Please invoke "meson subprojects download"'
782 echo "before configuring QEMU, or remove --disable-download"
783 echo "from the command line."
784 else
785 echo "This is not a GIT checkout but subproject content appears to"
786 echo "be missing. Do not use 'git archive' or GitHub download links"
787 echo "to acquire QEMU source archives. Non-GIT builds are only"
788 echo "supported with source archives linked from:"
789 echo
790 echo " https://www.qemu.org/download/#source"
791 echo
792 echo "Developers working with GIT can use scripts/archive-source.sh"
793 echo "if they need to create valid source archives."
794 fi
795 echo
796 exit 1
797 fi
798
799 default_target_list=""
800 mak_wilds=""
801
802 if [ "$linux_user" != no ]; then
803 if [ "$targetos" = linux ] && [ -d "$source_path/linux-user/include/host/$cpu" ]; then
804 linux_user=yes
805 elif [ "$linux_user" = yes ]; then
806 error_exit "linux-user not supported on this architecture"
807 fi
808 fi
809 if [ "$bsd_user" != no ]; then
810 if [ "$bsd_user" = "" ]; then
811 test $targetos = freebsd && bsd_user=yes
812 fi
813 if [ "$bsd_user" = yes ] && ! [ -d "$source_path/bsd-user/$targetos" ]; then
814 error_exit "bsd-user not supported on this host OS"
815 fi
816 fi
817 if [ "$softmmu" = "yes" ]; then
818 mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak"
819 fi
820 if [ "$linux_user" = "yes" ]; then
821 mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak"
822 fi
823 if [ "$bsd_user" = "yes" ]; then
824 mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak"
825 fi
826
827 for config in $mak_wilds; do
828 target="$(basename "$config" .mak)"
829 if echo "$target_list_exclude" | grep -vq "$target"; then
830 default_target_list="${default_target_list} $target"
831 fi
832 done
833
834 if test x"$show_help" = x"yes" ; then
835 cat << EOF
836
837 Usage: configure [options]
838 Options: [defaults in brackets after descriptions]
839
840 Standard options:
841 --help print this message
842 --prefix=PREFIX install in PREFIX [$prefix]
843 --target-list=LIST set target list (default: build all)
844 $(echo Available targets: $default_target_list | \
845 fold -s -w 53 | sed -e 's/^/ /')
846 --target-list-exclude=LIST exclude a set of targets from the default target-list
847
848 Advanced options (experts only):
849 --cross-prefix=PREFIX use PREFIX for compile tools, PREFIX can be blank [$cross_prefix]
850 --cc=CC use C compiler CC [$cc]
851 --host-cc=CC use C compiler CC [$host_cc] for code run at
852 build time
853 --cxx=CXX use C++ compiler CXX [$cxx]
854 --objcc=OBJCC use Objective-C compiler OBJCC [$objcc]
855 --extra-cflags=CFLAGS append extra C compiler flags CFLAGS
856 --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS
857 --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS
858 --extra-ldflags=LDFLAGS append extra linker flags LDFLAGS
859 --cross-cc-ARCH=CC use compiler when building ARCH guest test cases
860 --cross-cc-cflags-ARCH= use compiler flags when building ARCH guest tests
861 --cross-prefix-ARCH=PREFIX cross compiler prefix when building ARCH guest test cases
862 --python=PYTHON use specified python [$python]
863 --ninja=NINJA use specified ninja [$ninja]
864 --smbd=SMBD use specified smbd [$smbd]
865 --static enable static build [$static]
866 --bindir=PATH install binaries in PATH
867 --with-suffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix]
868 --without-default-features default all --enable-* options to "disabled"
869 --without-default-devices do not include any device that is not needed to
870 start the emulator (only use if you are including
871 desired devices in configs/devices/)
872 --with-devices-ARCH=NAME override default configs/devices
873 --enable-debug enable common debug build options
874 --disable-werror disable compilation abort on warning
875 --cpu=CPU Build for host CPU [$cpu]
876 --enable-plugins
877 enable plugins via shared library loading
878 --disable-containers don't use containers for cross-building
879 --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin]
880 EOF
881 meson_options_help
882 cat << EOF
883 system all system emulation targets
884 user supported user emulation targets
885 linux-user all linux usermode emulation targets
886 bsd-user all BSD usermode emulation targets
887 pie Position Independent Executables
888 debug-tcg TCG debugging (default is disabled)
889
890 NOTE: The object files are built at the place where configure is launched
891 EOF
892 exit 0
893 fi
894
895 # Remove old dependency files to make sure that they get properly regenerated
896 rm -f ./*/config-devices.mak.d
897
898 if test -z "$python"
899 then
900 # If first_python is set, there was a binary somewhere even though
901 # it was not suitable. Use it for the error message.
902 if test -n "$first_python"; then
903 error_exit "Cannot use '$first_python', Python >= 3.7 is required." \
904 "Use --python=/path/to/python to specify a supported Python."
905 else
906 error_exit "Python not found. Use --python=/path/to/python"
907 fi
908 fi
909
910 if ! check_py_version "$python"; then
911 error_exit "Cannot use '$python', Python >= 3.7 is required." \
912 "Use --python=/path/to/python to specify a supported Python." \
913 "Maybe try:" \
914 " openSUSE Leap 15.3+: zypper install python39" \
915 " CentOS 8: dnf install python38"
916 fi
917
918 # Resolve PATH
919 python="$(command -v "$python")"
920
921 # Create a Python virtual environment using our configured python.
922 # The stdout of this script will be the location of a symlink that
923 # points to the configured Python.
924 # Entry point scripts for pip, meson, and sphinx are generated if those
925 # packages are present.
926
927 # Defaults assumed for now:
928 # - venv is cleared if it exists already;
929 # - venv is allowed to use system packages;
930 # - all setup can be performed offline;
931 # - missing packages may be fetched from PyPI,
932 # unless --disable-download is passed.
933 # - pip is not installed into the venv when possible,
934 # but ensurepip is called as a fallback when necessary.
935
936 echo "python determined to be '$python'"
937 echo "python version: $($python --version)"
938
939 python="$($python -B "${source_path}/python/scripts/mkvenv.py" create pyvenv)"
940 if test "$?" -ne 0 ; then
941 error_exit "python venv creation failed"
942 fi
943
944 # Suppress writing compiled files
945 python="$python -B"
946 mkvenv="$python ${source_path}/python/scripts/mkvenv.py"
947
948 mkvenv_flags=""
949 if test "$download" = "enabled" ; then
950 mkvenv_flags="--online"
951 fi
952
953 if ! $mkvenv ensure \
954 $mkvenv_flags \
955 --dir "${source_path}/python/wheels" \
956 --diagnose "meson" \
957 "meson>=0.63.0" ;
958 then
959 exit 1
960 fi
961
962 # At this point, we expect Meson to be installed and available.
963 # We expect mkvenv or pip to have created pyvenv/bin/meson for us.
964 # We ignore PATH completely here: we want to use the venv's Meson
965 # *exclusively*.
966
967 meson="$(cd pyvenv/bin; pwd)/meson"
968
969 # Conditionally ensure Sphinx is installed.
970
971 mkvenv_flags=""
972 if test "$download" = "enabled" -a "$docs" = "enabled" ; then
973 mkvenv_flags="--online"
974 fi
975
976 if test "$docs" != "disabled" ; then
977 if ! $mkvenv ensure \
978 $mkvenv_flags \
979 --diagnose "sphinx-build" \
980 "sphinx>=1.6.0" "sphinx-rtd-theme>=0.5.0";
981 then
982 if test "$docs" = "enabled" ; then
983 exit 1
984 fi
985 echo "Sphinx not found/usable, disabling docs."
986 docs=disabled
987 else
988 docs=enabled
989 fi
990 fi
991
992 # Probe for ninja
993
994 if test -z "$ninja"; then
995 for c in ninja ninja-build samu; do
996 if has $c; then
997 ninja=$(command -v "$c")
998 break
999 fi
1000 done
1001 if test -z "$ninja"; then
1002 error_exit "Cannot find Ninja"
1003 fi
1004 fi
1005
1006 # Consult white-list to determine whether to enable werror
1007 # by default. Only enable by default for git builds
1008 if test -z "$werror" ; then
1009 if test -e "$source_path/.git" && \
1010 { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then
1011 werror="yes"
1012 else
1013 werror="no"
1014 fi
1015 fi
1016
1017 if test "$targetos" = "bogus"; then
1018 # Now that we know that we're not printing the help and that
1019 # the compiler works (so the results of the check_defines we used
1020 # to identify the OS are reliable), if we didn't recognize the
1021 # host OS we should stop now.
1022 error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1023 fi
1024
1025 if test "$static" = "yes" ; then
1026 if test "$plugins" = "yes"; then
1027 error_exit "static and plugins are mutually incompatible"
1028 else
1029 plugins="no"
1030 fi
1031 fi
1032 test "$plugins" = "" && plugins=yes
1033
1034 cat > $TMPC << EOF
1035
1036 #ifdef __linux__
1037 # define THREAD __thread
1038 #else
1039 # define THREAD
1040 #endif
1041 static THREAD int tls_var;
1042 int main(void) { return tls_var; }
1043 EOF
1044
1045 if test "$static" = "yes"; then
1046 if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
1047 pie="yes"
1048 elif test "$pie" = "yes"; then
1049 error_exit "-static-pie not available due to missing toolchain support"
1050 else
1051 pie="no"
1052 fi
1053 elif test "$pie" != "no"; then
1054 if compile_prog "-Werror -fPIE -DPIE" "-pie"; then
1055 pie="yes"
1056 elif test "$pie" = "yes"; then
1057 error_exit "PIE not available due to missing toolchain support"
1058 else
1059 echo "Disabling PIE due to missing toolchain support"
1060 pie="no"
1061 fi
1062 fi
1063
1064 ##########################################
1065
1066 if test -z "${target_list+xxx}" ; then
1067 default_targets=yes
1068 for target in $default_target_list; do
1069 target_list="$target_list $target"
1070 done
1071 target_list="${target_list# }"
1072 else
1073 default_targets=no
1074 target_list=$(echo "$target_list" | sed -e 's/,/ /g')
1075 for target in $target_list; do
1076 # Check that we recognised the target name; this allows a more
1077 # friendly error message than if we let it fall through.
1078 case " $default_target_list " in
1079 *" $target "*)
1080 ;;
1081 *)
1082 error_exit "Unknown target name '$target'"
1083 ;;
1084 esac
1085 done
1086 fi
1087
1088 # see if system emulation was really requested
1089 case " $target_list " in
1090 *"-softmmu "*) softmmu=yes
1091 ;;
1092 *) softmmu=no
1093 ;;
1094 esac
1095
1096 if test "$tcg" = "auto"; then
1097 if test -z "$target_list"; then
1098 tcg="disabled"
1099 else
1100 tcg="enabled"
1101 fi
1102 fi
1103
1104 ##########################################
1105 # big/little endian test
1106 cat > $TMPC << EOF
1107 #if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
1108 # error LITTLE
1109 #endif
1110 int main(void) { return 0; }
1111 EOF
1112
1113 if ! compile_prog ; then
1114 bigendian="no"
1115 else
1116 cat > $TMPC << EOF
1117 #if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
1118 # error BIG
1119 #endif
1120 int main(void) { return 0; }
1121 EOF
1122
1123 if ! compile_prog ; then
1124 bigendian="yes"
1125 else
1126 echo big/little test failed
1127 exit 1
1128 fi
1129 fi
1130
1131 ########################################
1132 # check if ccache is interfering with
1133 # semantic analysis of macros
1134
1135 unset CCACHE_CPP2
1136 ccache_cpp2=no
1137 cat > $TMPC << EOF
1138 static const int Z = 1;
1139 #define fn() ({ Z; })
1140 #define TAUT(X) ((X) == Z)
1141 #define PAREN(X, Y) (X == Y)
1142 #define ID(X) (X)
1143 int main(void)
1144 {
1145 int x = 0, y = 0;
1146 x = ID(x);
1147 x = fn();
1148 fn();
1149 if (PAREN(x, y)) return 0;
1150 if (TAUT(Z)) return 0;
1151 return 0;
1152 }
1153 EOF
1154
1155 if ! compile_object "-Werror"; then
1156 ccache_cpp2=yes
1157 fi
1158
1159 ##########################################
1160 # functions to probe cross compilers
1161
1162 container="no"
1163 runc=""
1164 if test $use_containers = "yes" && (has "docker" || has "podman"); then
1165 case $($python "$source_path"/tests/docker/docker.py probe) in
1166 *docker) container=docker ;;
1167 podman) container=podman ;;
1168 no) container=no ;;
1169 esac
1170 if test "$container" != "no"; then
1171 docker_py="$python $source_path/tests/docker/docker.py --engine $container"
1172 runc=$($python "$source_path"/tests/docker/docker.py probe)
1173 fi
1174 fi
1175
1176 # cross compilers defaults, can be overridden with --cross-cc-ARCH
1177 : ${cross_prefix_aarch64="aarch64-linux-gnu-"}
1178 : ${cross_prefix_aarch64_be="$cross_prefix_aarch64"}
1179 : ${cross_prefix_alpha="alpha-linux-gnu-"}
1180 : ${cross_prefix_arm="arm-linux-gnueabihf-"}
1181 : ${cross_prefix_armeb="$cross_prefix_arm"}
1182 : ${cross_prefix_hexagon="hexagon-unknown-linux-musl-"}
1183 : ${cross_prefix_loongarch64="loongarch64-unknown-linux-gnu-"}
1184 : ${cross_prefix_hppa="hppa-linux-gnu-"}
1185 : ${cross_prefix_i386="i686-linux-gnu-"}
1186 : ${cross_prefix_m68k="m68k-linux-gnu-"}
1187 : ${cross_prefix_microblaze="microblaze-linux-musl-"}
1188 : ${cross_prefix_mips64el="mips64el-linux-gnuabi64-"}
1189 : ${cross_prefix_mips64="mips64-linux-gnuabi64-"}
1190 : ${cross_prefix_mipsel="mipsel-linux-gnu-"}
1191 : ${cross_prefix_mips="mips-linux-gnu-"}
1192 : ${cross_prefix_nios2="nios2-linux-gnu-"}
1193 : ${cross_prefix_ppc="powerpc-linux-gnu-"}
1194 : ${cross_prefix_ppc64="powerpc64-linux-gnu-"}
1195 : ${cross_prefix_ppc64le="$cross_prefix_ppc64"}
1196 : ${cross_prefix_riscv64="riscv64-linux-gnu-"}
1197 : ${cross_prefix_s390x="s390x-linux-gnu-"}
1198 : ${cross_prefix_sh4="sh4-linux-gnu-"}
1199 : ${cross_prefix_sparc64="sparc64-linux-gnu-"}
1200 : ${cross_prefix_sparc="$cross_prefix_sparc64"}
1201 : ${cross_prefix_x86_64="x86_64-linux-gnu-"}
1202
1203 : ${cross_cc_aarch64_be="$cross_cc_aarch64"}
1204 : ${cross_cc_cflags_aarch64_be="-mbig-endian"}
1205 : ${cross_cc_armeb="$cross_cc_arm"}
1206 : ${cross_cc_cflags_armeb="-mbig-endian"}
1207 : ${cross_cc_hexagon="hexagon-unknown-linux-musl-clang"}
1208 : ${cross_cc_cflags_hexagon="-mv73 -O2 -static"}
1209 : ${cross_cc_cflags_i386="-m32"}
1210 : ${cross_cc_cflags_ppc="-m32 -mbig-endian"}
1211 : ${cross_cc_cflags_ppc64="-m64 -mbig-endian"}
1212 : ${cross_cc_ppc64le="$cross_cc_ppc64"}
1213 : ${cross_cc_cflags_ppc64le="-m64 -mlittle-endian"}
1214 : ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"}
1215 : ${cross_cc_sparc="$cross_cc_sparc64"}
1216 : ${cross_cc_cflags_sparc="-m32 -mcpu=supersparc"}
1217 : ${cross_cc_cflags_x86_64="-m64"}
1218
1219 compute_target_variable() {
1220 eval "$2="
1221 if eval test -n "\"\${cross_prefix_$1}\""; then
1222 if eval has "\"\${cross_prefix_$1}\$3\""; then
1223 eval "$2=\"\${cross_prefix_$1}\$3\""
1224 fi
1225 fi
1226 }
1227
1228 have_target() {
1229 for i; do
1230 case " $target_list " in
1231 *" $i "*) return 0;;
1232 *) ;;
1233 esac
1234 done
1235 return 1
1236 }
1237
1238 # probe_target_compiler TARGET
1239 #
1240 # Look for a compiler for the given target, either native or cross.
1241 # Set variables target_* if a compiler is found, and container_cross_*
1242 # if a Docker-based cross-compiler image is known for the target.
1243 # Set got_cross_cc to yes/no depending on whether a non-container-based
1244 # compiler was found.
1245 #
1246 # If TARGET is a user-mode emulation target, also set build_static to
1247 # "y" if static linking is possible.
1248 #
1249 probe_target_compiler() {
1250 # reset all output variables
1251 got_cross_cc=no
1252 container_image=
1253 container_hosts=
1254 container_cross_cc=
1255 container_cross_ar=
1256 container_cross_as=
1257 container_cross_ld=
1258 container_cross_nm=
1259 container_cross_objcopy=
1260 container_cross_ranlib=
1261 container_cross_strip=
1262
1263 target_arch=${1%%-*}
1264 case $target_arch in
1265 aarch64) container_hosts="x86_64 aarch64" ;;
1266 alpha) container_hosts=x86_64 ;;
1267 arm) container_hosts="x86_64 aarch64" ;;
1268 cris) container_hosts=x86_64 ;;
1269 hexagon) container_hosts=x86_64 ;;
1270 hppa) container_hosts=x86_64 ;;
1271 i386) container_hosts=x86_64 ;;
1272 loongarch64) container_hosts=x86_64 ;;
1273 m68k) container_hosts=x86_64 ;;
1274 microblaze) container_hosts=x86_64 ;;
1275 mips64el) container_hosts=x86_64 ;;
1276 mips64) container_hosts=x86_64 ;;
1277 mipsel) container_hosts=x86_64 ;;
1278 mips) container_hosts=x86_64 ;;
1279 nios2) container_hosts=x86_64 ;;
1280 ppc) container_hosts=x86_64 ;;
1281 ppc64|ppc64le) container_hosts=x86_64 ;;
1282 riscv64) container_hosts=x86_64 ;;
1283 s390x) container_hosts=x86_64 ;;
1284 sh4) container_hosts=x86_64 ;;
1285 sparc64) container_hosts=x86_64 ;;
1286 tricore) container_hosts=x86_64 ;;
1287 x86_64) container_hosts="aarch64 ppc64el x86_64" ;;
1288 xtensa*) container_hosts=x86_64 ;;
1289 esac
1290
1291 for host in $container_hosts; do
1292 test "$container" != no || continue
1293 test "$host" = "$cpu" || continue
1294 case $target_arch in
1295 aarch64)
1296 # We don't have any bigendian build tools so we only use this for AArch64
1297 container_image=debian-arm64-cross
1298 container_cross_prefix=aarch64-linux-gnu-
1299 container_cross_cc=${container_cross_prefix}gcc-10
1300 ;;
1301 alpha)
1302 container_image=debian-alpha-cross
1303 container_cross_prefix=alpha-linux-gnu-
1304 ;;
1305 arm)
1306 # We don't have any bigendian build tools so we only use this for ARM
1307 container_image=debian-armhf-cross
1308 container_cross_prefix=arm-linux-gnueabihf-
1309 ;;
1310 cris)
1311 container_image=fedora-cris-cross
1312 container_cross_prefix=cris-linux-gnu-
1313 ;;
1314 hexagon)
1315 container_image=debian-hexagon-cross
1316 container_cross_prefix=hexagon-unknown-linux-musl-
1317 container_cross_cc=${container_cross_prefix}clang
1318 ;;
1319 hppa)
1320 container_image=debian-hppa-cross
1321 container_cross_prefix=hppa-linux-gnu-
1322 ;;
1323 i386)
1324 container_image=fedora-i386-cross
1325 container_cross_prefix=
1326 ;;
1327 loongarch64)
1328 container_image=debian-loongarch-cross
1329 container_cross_prefix=loongarch64-unknown-linux-gnu-
1330 ;;
1331 m68k)
1332 container_image=debian-m68k-cross
1333 container_cross_prefix=m68k-linux-gnu-
1334 ;;
1335 microblaze)
1336 container_image=debian-microblaze-cross
1337 container_cross_prefix=microblaze-linux-musl-
1338 ;;
1339 mips64el)
1340 container_image=debian-mips64el-cross
1341 container_cross_prefix=mips64el-linux-gnuabi64-
1342 ;;
1343 mips64)
1344 container_image=debian-mips64-cross
1345 container_cross_prefix=mips64-linux-gnuabi64-
1346 ;;
1347 mipsel)
1348 container_image=debian-mipsel-cross
1349 container_cross_prefix=mipsel-linux-gnu-
1350 ;;
1351 mips)
1352 container_image=debian-mips-cross
1353 container_cross_prefix=mips-linux-gnu-
1354 ;;
1355 nios2)
1356 container_image=debian-nios2-cross
1357 container_cross_prefix=nios2-linux-gnu-
1358 ;;
1359 ppc)
1360 container_image=debian-powerpc-test-cross
1361 container_cross_prefix=powerpc-linux-gnu-
1362 container_cross_cc=${container_cross_prefix}gcc-10
1363 ;;
1364 ppc64|ppc64le)
1365 container_image=debian-powerpc-test-cross
1366 container_cross_prefix=powerpc${target_arch#ppc}-linux-gnu-
1367 container_cross_cc=${container_cross_prefix}gcc-10
1368 ;;
1369 riscv64)
1370 container_image=debian-riscv64-test-cross
1371 container_cross_prefix=riscv64-linux-gnu-
1372 ;;
1373 s390x)
1374 container_image=debian-s390x-cross
1375 container_cross_prefix=s390x-linux-gnu-
1376 ;;
1377 sh4)
1378 container_image=debian-sh4-cross
1379 container_cross_prefix=sh4-linux-gnu-
1380 ;;
1381 sparc64)
1382 container_image=debian-sparc64-cross
1383 container_cross_prefix=sparc64-linux-gnu-
1384 ;;
1385 tricore)
1386 container_image=debian-tricore-cross
1387 container_cross_prefix=tricore-
1388 container_cross_as=tricore-as
1389 container_cross_ld=tricore-ld
1390 container_cross_cc=tricore-gcc
1391 break
1392 ;;
1393 x86_64)
1394 container_image=debian-amd64-cross
1395 container_cross_prefix=x86_64-linux-gnu-
1396 ;;
1397 xtensa*)
1398 container_hosts=x86_64
1399 container_image=debian-xtensa-cross
1400
1401 # default to the dc232b cpu
1402 container_cross_prefix=/opt/2020.07/xtensa-dc232b-elf/bin/xtensa-dc232b-elf-
1403 ;;
1404 esac
1405 : ${container_cross_cc:=${container_cross_prefix}gcc}
1406 : ${container_cross_ar:=${container_cross_prefix}ar}
1407 : ${container_cross_as:=${container_cross_prefix}as}
1408 : ${container_cross_ld:=${container_cross_prefix}ld}
1409 : ${container_cross_nm:=${container_cross_prefix}nm}
1410 : ${container_cross_objcopy:=${container_cross_prefix}objcopy}
1411 : ${container_cross_ranlib:=${container_cross_prefix}ranlib}
1412 : ${container_cross_strip:=${container_cross_prefix}strip}
1413 done
1414
1415 try=cross
1416 case "$target_arch:$cpu" in
1417 aarch64_be:aarch64 | \
1418 armeb:arm | \
1419 i386:x86_64 | \
1420 mips*:mips64 | \
1421 ppc*:ppc64 | \
1422 sparc:sparc64 | \
1423 "$cpu:$cpu")
1424 try='native cross' ;;
1425 esac
1426 eval "target_cflags=\${cross_cc_cflags_$target_arch}"
1427 for thistry in $try; do
1428 case $thistry in
1429 native)
1430 target_cc=$cc
1431 target_ccas=$ccas
1432 target_ar=$ar
1433 target_as=$as
1434 target_ld=$ld
1435 target_nm=$nm
1436 target_objcopy=$objcopy
1437 target_ranlib=$ranlib
1438 target_strip=$strip
1439 ;;
1440 cross)
1441 target_cc=
1442 if eval test -n "\"\${cross_cc_$target_arch}\""; then
1443 if eval has "\"\${cross_cc_$target_arch}\""; then
1444 eval "target_cc=\"\${cross_cc_$target_arch}\""
1445 fi
1446 else
1447 compute_target_variable $target_arch target_cc gcc
1448 fi
1449 target_ccas=$target_cc
1450 compute_target_variable $target_arch target_ar ar
1451 compute_target_variable $target_arch target_as as
1452 compute_target_variable $target_arch target_ld ld
1453 compute_target_variable $target_arch target_nm nm
1454 compute_target_variable $target_arch target_objcopy objcopy
1455 compute_target_variable $target_arch target_ranlib ranlib
1456 compute_target_variable $target_arch target_strip strip
1457 ;;
1458 esac
1459
1460 if test -n "$target_cc"; then
1461 case $target_arch in
1462 i386|x86_64)
1463 if $target_cc --version | grep -qi "clang"; then
1464 continue
1465 fi
1466 ;;
1467 esac
1468 elif test -n "$target_as" && test -n "$target_ld"; then
1469 # Special handling for assembler only targets
1470 case $target in
1471 tricore-softmmu)
1472 build_static=
1473 got_cross_cc=yes
1474 break
1475 ;;
1476 *)
1477 continue
1478 ;;
1479 esac
1480 else
1481 continue
1482 fi
1483
1484 write_c_skeleton
1485 case $1 in
1486 *-softmmu)
1487 if do_compiler "$target_cc" $target_cflags -o $TMPO -c $TMPC &&
1488 do_compiler "$target_cc" $target_cflags -r -nostdlib -o "${TMPDIR1}/${TMPB}2.o" "$TMPO" -lgcc; then
1489 got_cross_cc=yes
1490 break
1491 fi
1492 ;;
1493 *)
1494 if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC -static ; then
1495 build_static=y
1496 got_cross_cc=yes
1497 break
1498 fi
1499 if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC ; then
1500 build_static=
1501 got_cross_cc=yes
1502 break
1503 fi
1504 ;;
1505 esac
1506 done
1507 if test $got_cross_cc != yes; then
1508 build_static=
1509 target_cc=
1510 target_ccas=
1511 target_ar=
1512 target_as=
1513 target_ld=
1514 target_nm=
1515 target_objcopy=
1516 target_ranlib=
1517 target_strip=
1518 fi
1519 test -n "$target_cc"
1520 }
1521
1522 write_target_makefile() {
1523 echo "EXTRA_CFLAGS=$target_cflags"
1524 if test -z "$target_cc" && test -z "$target_as"; then
1525 test -z "$container_image" && error_exit "Internal error: could not find cross compiler for $1?"
1526 echo "$1: docker-image-$container_image" >> Makefile.prereqs
1527 if test -n "$container_cross_cc"; then
1528 echo "CC=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
1529 echo "CCAS=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
1530 fi
1531 echo "AR=$docker_py cc --cc $container_cross_ar -i qemu/$container_image -s $source_path --"
1532 echo "AS=$docker_py cc --cc $container_cross_as -i qemu/$container_image -s $source_path --"
1533 echo "LD=$docker_py cc --cc $container_cross_ld -i qemu/$container_image -s $source_path --"
1534 echo "NM=$docker_py cc --cc $container_cross_nm -i qemu/$container_image -s $source_path --"
1535 echo "OBJCOPY=$docker_py cc --cc $container_cross_objcopy -i qemu/$container_image -s $source_path --"
1536 echo "RANLIB=$docker_py cc --cc $container_cross_ranlib -i qemu/$container_image -s $source_path --"
1537 echo "STRIP=$docker_py cc --cc $container_cross_strip -i qemu/$container_image -s $source_path --"
1538 else
1539 if test -n "$target_cc"; then
1540 echo "CC=$target_cc"
1541 echo "CCAS=$target_ccas"
1542 fi
1543 if test -n "$target_ar"; then
1544 echo "AR=$target_ar"
1545 fi
1546 if test -n "$target_as"; then
1547 echo "AS=$target_as"
1548 fi
1549 if test -n "$target_ld"; then
1550 echo "LD=$target_ld"
1551 fi
1552 if test -n "$target_nm"; then
1553 echo "NM=$target_nm"
1554 fi
1555 if test -n "$target_objcopy"; then
1556 echo "OBJCOPY=$target_objcopy"
1557 fi
1558 if test -n "$target_ranlib"; then
1559 echo "RANLIB=$target_ranlib"
1560 fi
1561 if test -n "$target_strip"; then
1562 echo "STRIP=$target_strip"
1563 fi
1564 fi
1565 }
1566
1567 #######################################
1568 # cross-compiled firmware targets
1569
1570 # Set up build tree symlinks that point back into the source tree
1571 # (these can be both files and directories).
1572 # Caution: avoid adding files or directories here using wildcards. This
1573 # will result in problems later if a new file matching the wildcard is
1574 # added to the source tree -- nothing will cause configure to be rerun
1575 # so the build tree will be missing the link back to the new file, and
1576 # tests might fail. Prefer to keep the relevant files in their own
1577 # directory and symlink the directory instead.
1578 LINKS="Makefile"
1579 LINKS="$LINKS docs/config"
1580 LINKS="$LINKS pc-bios/optionrom/Makefile"
1581 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
1582 LINKS="$LINKS pc-bios/vof/Makefile"
1583 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
1584 LINKS="$LINKS tests/avocado tests/data"
1585 LINKS="$LINKS tests/qemu-iotests/check"
1586 LINKS="$LINKS python"
1587 LINKS="$LINKS contrib/plugins/Makefile "
1588 for f in $LINKS ; do
1589 if [ -e "$source_path/$f" ]; then
1590 symlink "$source_path/$f" "$f"
1591 fi
1592 done
1593
1594 echo "# Automatically generated by configure - do not modify" > Makefile.prereqs
1595
1596 # Mac OS X ships with a broken assembler
1597 roms=
1598 if have_target i386-softmmu x86_64-softmmu && \
1599 test "$targetos" != "darwin" && test "$targetos" != "sunos" && \
1600 test "$targetos" != "haiku" && \
1601 probe_target_compiler i386-softmmu; then
1602 roms="pc-bios/optionrom"
1603 config_mak=pc-bios/optionrom/config.mak
1604 echo "# Automatically generated by configure - do not modify" > $config_mak
1605 echo "TOPSRC_DIR=$source_path" >> $config_mak
1606 write_target_makefile >> $config_mak
1607 fi
1608
1609 if have_target ppc-softmmu ppc64-softmmu && \
1610 probe_target_compiler ppc-softmmu; then
1611 roms="$roms pc-bios/vof"
1612 config_mak=pc-bios/vof/config.mak
1613 echo "# Automatically generated by configure - do not modify" > $config_mak
1614 echo "SRC_DIR=$source_path/pc-bios/vof" >> $config_mak
1615 write_target_makefile >> $config_mak
1616 fi
1617
1618 # Only build s390-ccw bios if the compiler has -march=z900 or -march=z10
1619 # (which is the lowest architecture level that Clang supports)
1620 if have_target s390x-softmmu && probe_target_compiler s390x-softmmu && \
1621 GIT=git "$source_path/scripts/git-submodule.sh" "$git_submodules_action" roms/SLOF >> config.log 2>&1; then
1622 write_c_skeleton
1623 do_compiler "$target_cc" $target_cc_cflags -march=z900 -o $TMPO -c $TMPC
1624 has_z900=$?
1625 if [ $has_z900 = 0 ] || do_compiler "$target_cc" $target_cc_cflags -march=z10 -msoft-float -Werror -o $TMPO -c $TMPC; then
1626 if [ $has_z900 != 0 ]; then
1627 echo "WARNING: Your compiler does not support the z900!"
1628 echo " The s390-ccw bios will only work with guest CPUs >= z10."
1629 fi
1630 roms="$roms pc-bios/s390-ccw"
1631 config_mak=pc-bios/s390-ccw/config-host.mak
1632 echo "# Automatically generated by configure - do not modify" > $config_mak
1633 echo "SRC_PATH=$source_path/pc-bios/s390-ccw" >> $config_mak
1634 echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_mak
1635 write_target_makefile >> $config_mak
1636 fi
1637 fi
1638
1639 #######################################
1640 # generate config-host.mak
1641
1642 config_host_mak="config-host.mak"
1643
1644 echo "# Automatically generated by configure - do not modify" > $config_host_mak
1645 echo >> $config_host_mak
1646
1647 echo all: >> $config_host_mak
1648
1649 if test "$debug_tcg" = "yes" ; then
1650 echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
1651 fi
1652 if test "$mingw32" = "yes" ; then
1653 echo "CONFIG_WIN32=y" >> $config_host_mak
1654 echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER-QEMU}" >> $config_host_mak
1655 echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO-Linux}" >> $config_host_mak
1656 echo "QEMU_GA_VERSION=${QEMU_GA_VERSION-$(cat "$source_path"/VERSION)}" >> $config_host_mak
1657 else
1658 echo "CONFIG_POSIX=y" >> $config_host_mak
1659 fi
1660
1661 if test "$linux" = "yes" ; then
1662 echo "CONFIG_LINUX=y" >> $config_host_mak
1663 fi
1664
1665 if test "$darwin" = "yes" ; then
1666 echo "CONFIG_DARWIN=y" >> $config_host_mak
1667 fi
1668
1669 if test "$solaris" = "yes" ; then
1670 echo "CONFIG_SOLARIS=y" >> $config_host_mak
1671 fi
1672 echo "SRC_PATH=$source_path" >> $config_host_mak
1673 echo "TARGET_DIRS=$target_list" >> $config_host_mak
1674
1675 # XXX: suppress that
1676 if [ "$bsd" = "yes" ] ; then
1677 echo "CONFIG_BSD=y" >> $config_host_mak
1678 fi
1679
1680 if test "$plugins" = "yes" ; then
1681 echo "CONFIG_PLUGIN=y" >> $config_host_mak
1682 fi
1683
1684 if test -n "$gdb_bin"; then
1685 gdb_version=$($gdb_bin --version | head -n 1)
1686 if version_ge ${gdb_version##* } 9.1; then
1687 echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
1688 gdb_arches=$($python "$source_path/scripts/probe-gdb-support.py" $gdb_bin)
1689 else
1690 gdb_bin=""
1691 fi
1692 fi
1693
1694 if test "$container" != no; then
1695 echo "ENGINE=$container" >> $config_host_mak
1696 echo "RUNC=$runc" >> $config_host_mak
1697 fi
1698 echo "ROMS=$roms" >> $config_host_mak
1699 echo "PYTHON=$python" >> $config_host_mak
1700 echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
1701 echo "MESON=$meson" >> $config_host_mak
1702 echo "NINJA=$ninja" >> $config_host_mak
1703 echo "PKG_CONFIG=${pkg_config}" >> $config_host_mak
1704 echo "CC=$cc" >> $config_host_mak
1705 echo "EXESUF=$EXESUF" >> $config_host_mak
1706
1707 # use included Linux headers
1708 if test "$linux" = "yes" ; then
1709 mkdir -p linux-headers
1710 case "$cpu" in
1711 i386|x86_64)
1712 linux_arch=x86
1713 ;;
1714 ppc|ppc64)
1715 linux_arch=powerpc
1716 ;;
1717 s390x)
1718 linux_arch=s390
1719 ;;
1720 aarch64)
1721 linux_arch=arm64
1722 ;;
1723 loongarch*)
1724 linux_arch=loongarch
1725 ;;
1726 mips64)
1727 linux_arch=mips
1728 ;;
1729 riscv32|riscv64)
1730 linux_arch=riscv
1731 ;;
1732 *)
1733 # For most CPUs the kernel architecture name and QEMU CPU name match.
1734 linux_arch="$cpu"
1735 ;;
1736 esac
1737 # For non-KVM architectures we will not have asm headers
1738 if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
1739 symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
1740 fi
1741 fi
1742
1743 for target in $target_list; do
1744 target_dir="$target"
1745 target_name=$(echo $target | cut -d '-' -f 1)$EXESUF
1746 mkdir -p "$target_dir"
1747 case $target in
1748 *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;;
1749 *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;;
1750 esac
1751 done
1752
1753 if test "$default_targets" = "yes"; then
1754 echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak
1755 fi
1756
1757 if test "$ccache_cpp2" = "yes"; then
1758 echo "export CCACHE_CPP2=y" >> $config_host_mak
1759 fi
1760
1761 # tests/tcg configuration
1762 (config_host_mak=tests/tcg/config-host.mak
1763 mkdir -p tests/tcg
1764 echo "# Automatically generated by configure - do not modify" > $config_host_mak
1765 echo "SRC_PATH=$source_path" >> $config_host_mak
1766 echo "HOST_CC=$host_cc" >> $config_host_mak
1767
1768 # versioned checked in the main config_host.mak above
1769 if test -n "$gdb_bin"; then
1770 echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
1771 fi
1772 if test "$plugins" = "yes" ; then
1773 echo "CONFIG_PLUGIN=y" >> $config_host_mak
1774 fi
1775
1776 tcg_tests_targets=
1777 for target in $target_list; do
1778 arch=${target%%-*}
1779
1780 case $target in
1781 xtensa*-linux-user)
1782 # the toolchain is not complete with headers, only build softmmu tests
1783 continue
1784 ;;
1785 *-softmmu)
1786 test -f "$source_path/tests/tcg/$arch/Makefile.softmmu-target" || continue
1787 qemu="qemu-system-$arch"
1788 ;;
1789 *-linux-user|*-bsd-user)
1790 qemu="qemu-$arch"
1791 ;;
1792 esac
1793
1794 if probe_target_compiler $target || test -n "$container_image"; then
1795 test -n "$container_image" && build_static=y
1796 mkdir -p "tests/tcg/$target"
1797 config_target_mak=tests/tcg/$target/config-target.mak
1798 ln -sf "$source_path/tests/tcg/Makefile.target" "tests/tcg/$target/Makefile"
1799 echo "# Automatically generated by configure - do not modify" > "$config_target_mak"
1800 echo "TARGET_NAME=$arch" >> "$config_target_mak"
1801 echo "TARGET=$target" >> "$config_target_mak"
1802 write_target_makefile "build-tcg-tests-$target" >> "$config_target_mak"
1803 echo "BUILD_STATIC=$build_static" >> "$config_target_mak"
1804 echo "QEMU=$PWD/$qemu" >> "$config_target_mak"
1805
1806 # will GDB work with these binaries?
1807 if test "${gdb_arches#*$arch}" != "$gdb_arches"; then
1808 echo "HOST_GDB_SUPPORTS_ARCH=y" >> "$config_target_mak"
1809 fi
1810
1811 echo "run-tcg-tests-$target: $qemu\$(EXESUF)" >> Makefile.prereqs
1812 tcg_tests_targets="$tcg_tests_targets $target"
1813 fi
1814 done
1815
1816 if test "$tcg" = "enabled"; then
1817 echo "TCG_TESTS_TARGETS=$tcg_tests_targets" >> config-host.mak
1818 fi
1819 )
1820
1821 if test "$skip_meson" = no; then
1822 cross="config-meson.cross.new"
1823 meson_quote() {
1824 test $# = 0 && return
1825 echo "'$(echo $* | sed "s/ /','/g")'"
1826 }
1827
1828 echo "# Automatically generated by configure - do not modify" > $cross
1829 echo "[properties]" >> $cross
1830
1831 # unroll any custom device configs
1832 for a in $device_archs; do
1833 eval "c=\$devices_${a}"
1834 echo "${a}-softmmu = '$c'" >> $cross
1835 done
1836
1837 echo "[built-in options]" >> $cross
1838 echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross
1839 echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross
1840 test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross
1841 echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross
1842 echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross
1843 echo "[binaries]" >> $cross
1844 echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross
1845 test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross
1846 test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross
1847 echo "ar = [$(meson_quote $ar)]" >> $cross
1848 echo "nm = [$(meson_quote $nm)]" >> $cross
1849 echo "pkgconfig = [$(meson_quote $pkg_config)]" >> $cross
1850 echo "ranlib = [$(meson_quote $ranlib)]" >> $cross
1851 if has $sdl2_config; then
1852 echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross
1853 fi
1854 echo "strip = [$(meson_quote $strip)]" >> $cross
1855 echo "widl = [$(meson_quote $widl)]" >> $cross
1856 echo "windres = [$(meson_quote $windres)]" >> $cross
1857 echo "windmc = [$(meson_quote $windmc)]" >> $cross
1858 if test "$cross_compile" = "yes"; then
1859 cross_arg="--cross-file config-meson.cross"
1860 echo "[host_machine]" >> $cross
1861 echo "system = '$targetos'" >> $cross
1862 case "$cpu" in
1863 i386)
1864 echo "cpu_family = 'x86'" >> $cross
1865 ;;
1866 *)
1867 echo "cpu_family = '$cpu'" >> $cross
1868 ;;
1869 esac
1870 echo "cpu = '$cpu'" >> $cross
1871 if test "$bigendian" = "yes" ; then
1872 echo "endian = 'big'" >> $cross
1873 else
1874 echo "endian = 'little'" >> $cross
1875 fi
1876 else
1877 cross_arg="--native-file config-meson.cross"
1878 fi
1879 mv $cross config-meson.cross
1880
1881 rm -rf meson-private meson-info meson-logs
1882
1883 # Built-in options
1884 test "$download" = "disabled" && meson_option_add "--wrap-mode=nodownload"
1885 test "$bindir" != "bin" && meson_option_add "-Dbindir=$bindir"
1886 test "$default_feature" = no && meson_option_add -Dauto_features=disabled
1887 test "$static" = yes && meson_option_add -Dprefer_static=true
1888 test "$pie" = no && meson_option_add -Db_pie=false
1889 test "$werror" = yes && meson_option_add -Dwerror=true
1890
1891 # QEMU options
1892 test "$cfi" != false && meson_option_add "-Dcfi=$cfi"
1893 test "$docs" != auto && meson_option_add "-Ddocs=$docs"
1894 test -n "${LIB_FUZZING_ENGINE+xxx}" && meson_option_add "-Dfuzzing_engine=$LIB_FUZZING_ENGINE"
1895 test "$qemu_suffix" != qemu && meson_option_add "-Dqemu_suffix=$qemu_suffix"
1896 test "$smbd" != '' && meson_option_add "-Dsmbd=$smbd"
1897 test "$tcg" != enabled && meson_option_add "-Dtcg=$tcg"
1898 run_meson() {
1899 NINJA=$ninja $meson setup --prefix "$prefix" "$@" $cross_arg "$PWD" "$source_path"
1900 }
1901 eval run_meson $meson_options
1902 if test "$?" -ne 0 ; then
1903 error_exit "meson setup failed"
1904 fi
1905 echo "$meson" > build.ninja.stamp
1906 else
1907 if test -f meson-private/cmd_line.txt; then
1908 # Adjust old command line options that were removed
1909 # sed -i is not portable
1910 perl -i -ne '
1911 /^sphinx_build/ && next;
1912 print;' meson-private/cmd_line.txt
1913 fi
1914 fi
1915
1916 # Save the configure command line for later reuse.
1917 cat <<EOD >config.status
1918 #!/bin/sh
1919 # Generated by configure.
1920 # Run this file to recreate the current configuration.
1921 # Compiler output produced by configure, useful for debugging
1922 # configure, is in config.log if it exists.
1923 EOD
1924
1925 preserve_env() {
1926 envname=$1
1927
1928 eval envval=\$$envname
1929
1930 if test -n "$envval"
1931 then
1932 echo "$envname='$envval'" >> config.status
1933 echo "export $envname" >> config.status
1934 else
1935 echo "unset $envname" >> config.status
1936 fi
1937 }
1938
1939 # Preserve various env variables that influence what
1940 # features/build target configure will detect
1941 preserve_env AR
1942 preserve_env AS
1943 preserve_env CC
1944 preserve_env CFLAGS
1945 preserve_env CXX
1946 preserve_env CXXFLAGS
1947 preserve_env LD
1948 preserve_env LDFLAGS
1949 preserve_env LD_LIBRARY_PATH
1950 preserve_env NM
1951 preserve_env OBJCFLAGS
1952 preserve_env OBJCOPY
1953 preserve_env PATH
1954 preserve_env PKG_CONFIG
1955 preserve_env PKG_CONFIG_LIBDIR
1956 preserve_env PKG_CONFIG_PATH
1957 preserve_env PYTHON
1958 preserve_env QEMU_GA_MANUFACTURER
1959 preserve_env QEMU_GA_DISTRO
1960 preserve_env QEMU_GA_VERSION
1961 preserve_env SDL2_CONFIG
1962 preserve_env SMBD
1963 preserve_env STRIP
1964 preserve_env WIDL
1965 preserve_env WINDRES
1966 preserve_env WINDMC
1967
1968 printf "exec" >>config.status
1969 for i in "$0" "$@"; do
1970 test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status
1971 done
1972 echo ' "$@"' >>config.status
1973 chmod +x config.status
1974
1975 rm -r "$TMPDIR1"