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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. | |
8 | CLICOLOR_FORCE= GREP_OPTIONS= | |
9 | unset CLICOLOR_FORCE GREP_OPTIONS | |
10 | ||
11 | # Don't allow CCACHE, if present, to use cached results of compile tests! | |
12 | export CCACHE_RECACHE=yes | |
13 | ||
14 | # make source path absolute | |
15 | source_path=$(cd "$(dirname -- "$0")"; pwd) | |
16 | ||
17 | if test "$PWD" = "$source_path" | |
18 | then | |
19 | echo "Using './build' as the directory for build output" | |
20 | ||
21 | MARKER=build/auto-created-by-configure | |
22 | ||
23 | if test -e build | |
24 | then | |
25 | if test -f $MARKER | |
26 | then | |
27 | rm -rf build | |
28 | else | |
29 | echo "ERROR: ./build dir already exists and was not previously created by configure" | |
30 | exit 1 | |
31 | fi | |
32 | fi | |
33 | ||
34 | mkdir build | |
35 | touch $MARKER | |
36 | ||
37 | cat > GNUmakefile <<'EOF' | |
38 | # This file is auto-generated by configure to support in-source tree | |
39 | # 'make' command invocation | |
40 | ||
41 | ifeq ($(MAKECMDGOALS),) | |
42 | recurse: all | |
43 | endif | |
44 | ||
45 | .NOTPARALLEL: % | |
46 | %: force | |
47 | @echo 'changing dir to build for $(MAKE) "$(MAKECMDGOALS)"...' | |
48 | @$(MAKE) -C build -f Makefile $(MAKECMDGOALS) | |
49 | @if test "$(MAKECMDGOALS)" = "distclean" && \ | |
50 | test -e build/auto-created-by-configure ; \ | |
51 | then \ | |
52 | rm -rf build GNUmakefile ; \ | |
53 | fi | |
54 | force: ; | |
55 | .PHONY: force | |
56 | GNUmakefile: ; | |
57 | ||
58 | EOF | |
59 | cd build | |
60 | exec $source_path/configure "$@" | |
61 | fi | |
62 | ||
63 | # Temporary directory used for files created while | |
64 | # configure runs. Since it is in the build directory | |
65 | # we can safely blow away any previous version of it | |
66 | # (and we need not jump through hoops to try to delete | |
67 | # it when configure exits.) | |
68 | TMPDIR1="config-temp" | |
69 | rm -rf "${TMPDIR1}" | |
70 | mkdir -p "${TMPDIR1}" | |
71 | if [ $? -ne 0 ]; then | |
72 | echo "ERROR: failed to create temporary directory" | |
73 | exit 1 | |
74 | fi | |
75 | ||
76 | TMPB="qemu-conf" | |
77 | TMPC="${TMPDIR1}/${TMPB}.c" | |
78 | TMPO="${TMPDIR1}/${TMPB}.o" | |
79 | TMPCXX="${TMPDIR1}/${TMPB}.cxx" | |
80 | TMPM="${TMPDIR1}/${TMPB}.m" | |
81 | TMPE="${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 | printf " '%s'" "$0" "$@" >> config.log | |
89 | echo >> config.log | |
90 | echo "#" >> config.log | |
91 | ||
92 | quote_sh() { | |
93 | printf "%s" "$1" | sed "s,','\\\\'',g; s,.*,'&'," | |
94 | } | |
95 | ||
96 | print_error() { | |
97 | (echo | |
98 | echo "ERROR: $1" | |
99 | while test -n "$2"; do | |
100 | echo " $2" | |
101 | shift | |
102 | done | |
103 | echo) >&2 | |
104 | } | |
105 | ||
106 | error_exit() { | |
107 | print_error "$@" | |
108 | exit 1 | |
109 | } | |
110 | ||
111 | do_compiler() { | |
112 | # Run the compiler, capturing its output to the log. First argument | |
113 | # is compiler binary to execute. | |
114 | local compiler="$1" | |
115 | shift | |
116 | if test -n "$BASH_VERSION"; then eval ' | |
117 | echo >>config.log " | |
118 | funcs: ${FUNCNAME[*]} | |
119 | lines: ${BASH_LINENO[*]}" | |
120 | '; fi | |
121 | echo $compiler "$@" >> config.log | |
122 | $compiler "$@" >> config.log 2>&1 || return $? | |
123 | } | |
124 | ||
125 | do_compiler_werror() { | |
126 | # Run the compiler, capturing its output to the log. First argument | |
127 | # is compiler binary to execute. | |
128 | compiler="$1" | |
129 | shift | |
130 | if test -n "$BASH_VERSION"; then eval ' | |
131 | echo >>config.log " | |
132 | funcs: ${FUNCNAME[*]} | |
133 | lines: ${BASH_LINENO[*]}" | |
134 | '; fi | |
135 | echo $compiler "$@" >> config.log | |
136 | $compiler "$@" >> config.log 2>&1 || return $? | |
137 | # Test passed. If this is an --enable-werror build, rerun | |
138 | # the test with -Werror and bail out if it fails. This | |
139 | # makes warning-generating-errors in configure test code | |
140 | # obvious to developers. | |
141 | if test "$werror" != "yes"; then | |
142 | return 0 | |
143 | fi | |
144 | # Don't bother rerunning the compile if we were already using -Werror | |
145 | case "$*" in | |
146 | *-Werror*) | |
147 | return 0 | |
148 | ;; | |
149 | esac | |
150 | echo $compiler -Werror "$@" >> config.log | |
151 | $compiler -Werror "$@" >> config.log 2>&1 && return $? | |
152 | error_exit "configure test passed without -Werror but failed with -Werror." \ | |
153 | "This is probably a bug in the configure script. The failing command" \ | |
154 | "will be at the bottom of config.log." \ | |
155 | "You can run configure with --disable-werror to bypass this check." | |
156 | } | |
157 | ||
158 | do_cc() { | |
159 | do_compiler_werror "$cc" $CPU_CFLAGS "$@" | |
160 | } | |
161 | ||
162 | do_cxx() { | |
163 | do_compiler_werror "$cxx" $CPU_CFLAGS "$@" | |
164 | } | |
165 | ||
166 | do_objc() { | |
167 | do_compiler_werror "$objcc" $CPU_CFLAGS "$@" | |
168 | } | |
169 | ||
170 | # Append $2 to the variable named $1, with space separation | |
171 | add_to() { | |
172 | eval $1=\${$1:+\"\$$1 \"}\$2 | |
173 | } | |
174 | ||
175 | update_cxxflags() { | |
176 | # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those | |
177 | # options which some versions of GCC's C++ compiler complain about | |
178 | # because they only make sense for C programs. | |
179 | QEMU_CXXFLAGS="-D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS" | |
180 | CONFIGURE_CXXFLAGS=$(echo "$CONFIGURE_CFLAGS" | sed s/-std=gnu11/-std=gnu++11/) | |
181 | for arg in $QEMU_CFLAGS; do | |
182 | case $arg in | |
183 | -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\ | |
184 | -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls) | |
185 | ;; | |
186 | *) | |
187 | QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg | |
188 | ;; | |
189 | esac | |
190 | done | |
191 | } | |
192 | ||
193 | compile_object() { | |
194 | local_cflags="$1" | |
195 | do_cc $CFLAGS $EXTRA_CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC | |
196 | } | |
197 | ||
198 | compile_prog() { | |
199 | local_cflags="$1" | |
200 | local_ldflags="$2" | |
201 | do_cc $CFLAGS $EXTRA_CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC \ | |
202 | $LDFLAGS $EXTRA_LDFLAGS $CONFIGURE_LDFLAGS $QEMU_LDFLAGS $local_ldflags | |
203 | } | |
204 | ||
205 | # symbolically link $1 to $2. Portable version of "ln -sf". | |
206 | symlink() { | |
207 | rm -rf "$2" | |
208 | mkdir -p "$(dirname "$2")" | |
209 | ln -s "$1" "$2" | |
210 | } | |
211 | ||
212 | # check whether a command is available to this shell (may be either an | |
213 | # executable or a builtin) | |
214 | has() { | |
215 | type "$1" >/dev/null 2>&1 | |
216 | } | |
217 | ||
218 | version_ge () { | |
219 | local_ver1=$(expr "$1" : '\([0-9.]*\)' | tr . ' ') | |
220 | local_ver2=$(echo "$2" | tr . ' ') | |
221 | while true; do | |
222 | set x $local_ver1 | |
223 | local_first=${2-0} | |
224 | # 'shift 2' if $2 is set, or 'shift' if $2 is not set | |
225 | shift ${2:+2} | |
226 | local_ver1=$* | |
227 | set x $local_ver2 | |
228 | # the second argument finished, the first must be greater or equal | |
229 | test $# = 1 && return 0 | |
230 | test $local_first -lt $2 && return 1 | |
231 | test $local_first -gt $2 && return 0 | |
232 | shift ${2:+2} | |
233 | local_ver2=$* | |
234 | done | |
235 | } | |
236 | ||
237 | glob() { | |
238 | eval test -z '"${1#'"$2"'}"' | |
239 | } | |
240 | ||
241 | if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]"; | |
242 | then | |
243 | error_exit "main directory cannot contain spaces nor colons" | |
244 | fi | |
245 | ||
246 | # default parameters | |
247 | cpu="" | |
248 | static="no" | |
249 | cross_compile="no" | |
250 | cross_prefix="" | |
251 | host_cc="cc" | |
252 | stack_protector="" | |
253 | safe_stack="" | |
254 | use_containers="yes" | |
255 | gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb") | |
256 | ||
257 | if test -e "$source_path/.git" | |
258 | then | |
259 | git_submodules_action="update" | |
260 | else | |
261 | git_submodules_action="ignore" | |
262 | fi | |
263 | ||
264 | git_submodules="ui/keycodemapdb" | |
265 | git="git" | |
266 | ||
267 | # Don't accept a target_list environment variable. | |
268 | unset target_list | |
269 | unset target_list_exclude | |
270 | ||
271 | # Default value for a variable defining feature "foo". | |
272 | # * foo="no" feature will only be used if --enable-foo arg is given | |
273 | # * foo="" feature will be searched for, and if found, will be used | |
274 | # unless --disable-foo is given | |
275 | # * foo="yes" this value will only be set by --enable-foo flag. | |
276 | # feature will searched for, | |
277 | # if not found, configure exits with error | |
278 | # | |
279 | # Always add --enable-foo and --disable-foo command line args. | |
280 | # Distributions want to ensure that several features are compiled in, and it | |
281 | # is impossible without a --enable-foo that exits if a feature is not found. | |
282 | ||
283 | default_feature="" | |
284 | # parse CC options second | |
285 | for opt do | |
286 | optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') | |
287 | case "$opt" in | |
288 | --without-default-features) | |
289 | default_feature="no" | |
290 | ;; | |
291 | esac | |
292 | done | |
293 | ||
294 | EXTRA_CFLAGS="" | |
295 | EXTRA_CXXFLAGS="" | |
296 | EXTRA_OBJCFLAGS="" | |
297 | EXTRA_LDFLAGS="" | |
298 | ||
299 | debug_tcg="no" | |
300 | sanitizers="no" | |
301 | tsan="no" | |
302 | fortify_source="yes" | |
303 | EXESUF="" | |
304 | modules="no" | |
305 | prefix="/usr/local" | |
306 | qemu_suffix="qemu" | |
307 | softmmu="yes" | |
308 | linux_user="" | |
309 | bsd_user="" | |
310 | pie="" | |
311 | coroutine="" | |
312 | plugins="$default_feature" | |
313 | meson="" | |
314 | meson_args="" | |
315 | ninja="" | |
316 | bindir="bin" | |
317 | skip_meson=no | |
318 | ||
319 | # The following Meson options are handled manually (still they | |
320 | # are included in the automatically generated help message) | |
321 | ||
322 | # 1. Track which submodules are needed | |
323 | if test "$default_feature" = no ; then | |
324 | slirp="disabled" | |
325 | else | |
326 | slirp="auto" | |
327 | fi | |
328 | fdt="auto" | |
329 | ||
330 | # 2. Automatically enable/disable other options | |
331 | tcg="enabled" | |
332 | cfi="false" | |
333 | ||
334 | # parse CC options second | |
335 | for opt do | |
336 | optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') | |
337 | case "$opt" in | |
338 | --cross-prefix=*) cross_prefix="$optarg" | |
339 | cross_compile="yes" | |
340 | ;; | |
341 | --cc=*) CC="$optarg" | |
342 | ;; | |
343 | --cxx=*) CXX="$optarg" | |
344 | ;; | |
345 | --cpu=*) cpu="$optarg" | |
346 | ;; | |
347 | --extra-cflags=*) | |
348 | EXTRA_CFLAGS="$EXTRA_CFLAGS $optarg" | |
349 | EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg" | |
350 | EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg" | |
351 | ;; | |
352 | --extra-cxxflags=*) EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg" | |
353 | ;; | |
354 | --extra-objcflags=*) EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg" | |
355 | ;; | |
356 | --extra-ldflags=*) EXTRA_LDFLAGS="$EXTRA_LDFLAGS $optarg" | |
357 | ;; | |
358 | --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option" | |
359 | ;; | |
360 | --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-cflags-}; cc_arch=${cc_arch%%=*} | |
361 | eval "cross_cc_cflags_${cc_arch}=\$optarg" | |
362 | ;; | |
363 | --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*} | |
364 | eval "cross_cc_${cc_arch}=\$optarg" | |
365 | ;; | |
366 | --cross-prefix-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-prefix-FOO option" | |
367 | ;; | |
368 | --cross-prefix-*) cc_arch=${opt#--cross-prefix-}; cc_arch=${cc_arch%%=*} | |
369 | eval "cross_prefix_${cc_arch}=\$optarg" | |
370 | ;; | |
371 | esac | |
372 | done | |
373 | # OS specific | |
374 | # Using uname is really, really broken. Once we have the right set of checks | |
375 | # we can eliminate its usage altogether. | |
376 | ||
377 | # Preferred compiler: | |
378 | # ${CC} (if set) | |
379 | # ${cross_prefix}gcc (if cross-prefix specified) | |
380 | # system compiler | |
381 | if test -z "${CC}${cross_prefix}"; then | |
382 | cc="$host_cc" | |
383 | else | |
384 | cc="${CC-${cross_prefix}gcc}" | |
385 | fi | |
386 | ||
387 | if test -z "${CXX}${cross_prefix}"; then | |
388 | cxx="c++" | |
389 | else | |
390 | cxx="${CXX-${cross_prefix}g++}" | |
391 | fi | |
392 | ||
393 | ar="${AR-${cross_prefix}ar}" | |
394 | as="${AS-${cross_prefix}as}" | |
395 | ccas="${CCAS-$cc}" | |
396 | objcopy="${OBJCOPY-${cross_prefix}objcopy}" | |
397 | ld="${LD-${cross_prefix}ld}" | |
398 | ranlib="${RANLIB-${cross_prefix}ranlib}" | |
399 | nm="${NM-${cross_prefix}nm}" | |
400 | smbd="$SMBD" | |
401 | strip="${STRIP-${cross_prefix}strip}" | |
402 | widl="${WIDL-${cross_prefix}widl}" | |
403 | windres="${WINDRES-${cross_prefix}windres}" | |
404 | pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}" | |
405 | query_pkg_config() { | |
406 | "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@" | |
407 | } | |
408 | pkg_config=query_pkg_config | |
409 | sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}" | |
410 | ||
411 | # default flags for all hosts | |
412 | # We use -fwrapv to tell the compiler that we require a C dialect where | |
413 | # left shift of signed integers is well defined and has the expected | |
414 | # 2s-complement style results. (Both clang and gcc agree that it | |
415 | # provides these semantics.) | |
416 | QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv" | |
417 | QEMU_CFLAGS="-Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS" | |
418 | QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS" | |
419 | QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS" | |
420 | ||
421 | QEMU_LDFLAGS= | |
422 | ||
423 | # Flags that are needed during configure but later taken care of by Meson | |
424 | CONFIGURE_CFLAGS="-std=gnu11 -Wall" | |
425 | CONFIGURE_LDFLAGS= | |
426 | ||
427 | ||
428 | check_define() { | |
429 | cat > $TMPC <<EOF | |
430 | #if !defined($1) | |
431 | #error $1 not defined | |
432 | #endif | |
433 | int main(void) { return 0; } | |
434 | EOF | |
435 | compile_object | |
436 | } | |
437 | ||
438 | check_include() { | |
439 | cat > $TMPC <<EOF | |
440 | #include <$1> | |
441 | int main(void) { return 0; } | |
442 | EOF | |
443 | compile_object | |
444 | } | |
445 | ||
446 | write_c_skeleton() { | |
447 | cat > $TMPC <<EOF | |
448 | int main(void) { return 0; } | |
449 | EOF | |
450 | } | |
451 | ||
452 | if check_define __linux__ ; then | |
453 | targetos=linux | |
454 | elif check_define _WIN32 ; then | |
455 | targetos=windows | |
456 | elif check_define __OpenBSD__ ; then | |
457 | targetos=openbsd | |
458 | elif check_define __sun__ ; then | |
459 | targetos=sunos | |
460 | elif check_define __HAIKU__ ; then | |
461 | targetos=haiku | |
462 | elif check_define __FreeBSD__ ; then | |
463 | targetos=freebsd | |
464 | elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then | |
465 | targetos=gnu/kfreebsd | |
466 | elif check_define __DragonFly__ ; then | |
467 | targetos=dragonfly | |
468 | elif check_define __NetBSD__; then | |
469 | targetos=netbsd | |
470 | elif check_define __APPLE__; then | |
471 | targetos=darwin | |
472 | else | |
473 | # This is a fatal error, but don't report it yet, because we | |
474 | # might be going to just print the --help text, or it might | |
475 | # be the result of a missing compiler. | |
476 | targetos=bogus | |
477 | fi | |
478 | ||
479 | # OS specific | |
480 | ||
481 | mingw32="no" | |
482 | bsd="no" | |
483 | linux="no" | |
484 | solaris="no" | |
485 | case $targetos in | |
486 | windows) | |
487 | mingw32="yes" | |
488 | plugins="no" | |
489 | pie="no" | |
490 | ;; | |
491 | gnu/kfreebsd) | |
492 | bsd="yes" | |
493 | ;; | |
494 | freebsd) | |
495 | bsd="yes" | |
496 | make="${MAKE-gmake}" | |
497 | # needed for kinfo_getvmmap(3) in libutil.h | |
498 | ;; | |
499 | dragonfly) | |
500 | bsd="yes" | |
501 | make="${MAKE-gmake}" | |
502 | ;; | |
503 | netbsd) | |
504 | bsd="yes" | |
505 | make="${MAKE-gmake}" | |
506 | ;; | |
507 | openbsd) | |
508 | bsd="yes" | |
509 | make="${MAKE-gmake}" | |
510 | ;; | |
511 | darwin) | |
512 | bsd="yes" | |
513 | darwin="yes" | |
514 | # Disable attempts to use ObjectiveC features in os/object.h since they | |
515 | # won't work when we're compiling with gcc as a C compiler. | |
516 | QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS" | |
517 | ;; | |
518 | sunos) | |
519 | solaris="yes" | |
520 | make="${MAKE-gmake}" | |
521 | # needed for CMSG_ macros in sys/socket.h | |
522 | QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS" | |
523 | # needed for TIOCWIN* defines in termios.h | |
524 | QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS" | |
525 | # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo | |
526 | # Note that this check is broken for cross-compilation: if you're | |
527 | # cross-compiling to one of these OSes then you'll need to specify | |
528 | # the correct CPU with the --cpu option. | |
529 | if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then | |
530 | cpu="x86_64" | |
531 | fi | |
532 | ;; | |
533 | haiku) | |
534 | pie="no" | |
535 | QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -D_BSD_SOURCE -fPIC $QEMU_CFLAGS" | |
536 | ;; | |
537 | linux) | |
538 | linux="yes" | |
539 | ;; | |
540 | esac | |
541 | ||
542 | if test ! -z "$cpu" ; then | |
543 | # command line argument | |
544 | : | |
545 | elif check_define __i386__ ; then | |
546 | cpu="i386" | |
547 | elif check_define __x86_64__ ; then | |
548 | if check_define __ILP32__ ; then | |
549 | cpu="x32" | |
550 | else | |
551 | cpu="x86_64" | |
552 | fi | |
553 | elif check_define __sparc__ ; then | |
554 | if check_define __arch64__ ; then | |
555 | cpu="sparc64" | |
556 | else | |
557 | cpu="sparc" | |
558 | fi | |
559 | elif check_define _ARCH_PPC ; then | |
560 | if check_define _ARCH_PPC64 ; then | |
561 | if check_define _LITTLE_ENDIAN ; then | |
562 | cpu="ppc64le" | |
563 | else | |
564 | cpu="ppc64" | |
565 | fi | |
566 | else | |
567 | cpu="ppc" | |
568 | fi | |
569 | elif check_define __mips__ ; then | |
570 | cpu="mips" | |
571 | elif check_define __s390__ ; then | |
572 | if check_define __s390x__ ; then | |
573 | cpu="s390x" | |
574 | else | |
575 | cpu="s390" | |
576 | fi | |
577 | elif check_define __riscv ; then | |
578 | cpu="riscv" | |
579 | elif check_define __arm__ ; then | |
580 | cpu="arm" | |
581 | elif check_define __aarch64__ ; then | |
582 | cpu="aarch64" | |
583 | elif check_define __loongarch64 ; then | |
584 | cpu="loongarch64" | |
585 | else | |
586 | cpu=$(uname -m) | |
587 | fi | |
588 | ||
589 | # Normalise host CPU name, set multilib cflags | |
590 | # Note that this case should only have supported host CPUs, not guests. | |
591 | case "$cpu" in | |
592 | armv*b|armv*l|arm) | |
593 | cpu="arm" ;; | |
594 | ||
595 | i386|i486|i586|i686|i86pc|BePC) | |
596 | cpu="i386" | |
597 | CPU_CFLAGS="-m32" ;; | |
598 | x32) | |
599 | cpu="x86_64" | |
600 | CPU_CFLAGS="-mx32" ;; | |
601 | x86_64|amd64) | |
602 | cpu="x86_64" | |
603 | # ??? Only extremely old AMD cpus do not have cmpxchg16b. | |
604 | # If we truly care, we should simply detect this case at | |
605 | # runtime and generate the fallback to serial emulation. | |
606 | CPU_CFLAGS="-m64 -mcx16" ;; | |
607 | ||
608 | mips*) | |
609 | cpu="mips" ;; | |
610 | ||
611 | ppc) | |
612 | CPU_CFLAGS="-m32" ;; | |
613 | ppc64) | |
614 | CPU_CFLAGS="-m64 -mbig-endian" ;; | |
615 | ppc64le) | |
616 | cpu="ppc64" | |
617 | CPU_CFLAGS="-m64 -mlittle-endian" ;; | |
618 | ||
619 | s390) | |
620 | CPU_CFLAGS="-m31" ;; | |
621 | s390x) | |
622 | CPU_CFLAGS="-m64" ;; | |
623 | ||
624 | sparc|sun4[cdmuv]) | |
625 | cpu="sparc" | |
626 | CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc" ;; | |
627 | sparc64) | |
628 | CPU_CFLAGS="-m64 -mcpu=ultrasparc" ;; | |
629 | esac | |
630 | ||
631 | : ${make=${MAKE-make}} | |
632 | ||
633 | # We prefer python 3.x. A bare 'python' is traditionally | |
634 | # python 2.x, but some distros have it as python 3.x, so | |
635 | # we check that too | |
636 | python= | |
637 | explicit_python=no | |
638 | for binary in "${PYTHON-python3}" python | |
639 | do | |
640 | if has "$binary" | |
641 | then | |
642 | python=$(command -v "$binary") | |
643 | break | |
644 | fi | |
645 | done | |
646 | ||
647 | ||
648 | # Check for ancillary tools used in testing | |
649 | genisoimage= | |
650 | for binary in genisoimage mkisofs | |
651 | do | |
652 | if has $binary | |
653 | then | |
654 | genisoimage=$(command -v "$binary") | |
655 | break | |
656 | fi | |
657 | done | |
658 | ||
659 | # Default objcc to clang if available, otherwise use CC | |
660 | if has clang; then | |
661 | objcc=clang | |
662 | else | |
663 | objcc="$cc" | |
664 | fi | |
665 | ||
666 | if test "$mingw32" = "yes" ; then | |
667 | EXESUF=".exe" | |
668 | # MinGW needs -mthreads for TLS and macro _MT. | |
669 | CONFIGURE_CFLAGS="-mthreads $CONFIGURE_CFLAGS" | |
670 | write_c_skeleton; | |
671 | prefix="/qemu" | |
672 | bindir="" | |
673 | qemu_suffix="" | |
674 | fi | |
675 | ||
676 | werror="" | |
677 | ||
678 | . $source_path/scripts/meson-buildoptions.sh | |
679 | ||
680 | meson_options= | |
681 | meson_option_add() { | |
682 | meson_options="$meson_options $(quote_sh "$1")" | |
683 | } | |
684 | meson_option_parse() { | |
685 | meson_options="$meson_options $(_meson_option_parse "$@")" | |
686 | if test $? -eq 1; then | |
687 | echo "ERROR: unknown option $1" | |
688 | echo "Try '$0 --help' for more information" | |
689 | exit 1 | |
690 | fi | |
691 | } | |
692 | ||
693 | for opt do | |
694 | optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') | |
695 | case "$opt" in | |
696 | --help|-h) show_help=yes | |
697 | ;; | |
698 | --version|-V) exec cat $source_path/VERSION | |
699 | ;; | |
700 | --prefix=*) prefix="$optarg" | |
701 | ;; | |
702 | --cross-prefix=*) | |
703 | ;; | |
704 | --cc=*) | |
705 | ;; | |
706 | --host-cc=*) host_cc="$optarg" | |
707 | ;; | |
708 | --cxx=*) | |
709 | ;; | |
710 | --objcc=*) objcc="$optarg" | |
711 | ;; | |
712 | --make=*) make="$optarg" | |
713 | ;; | |
714 | --install=*) | |
715 | ;; | |
716 | --python=*) python="$optarg" ; explicit_python=yes | |
717 | ;; | |
718 | --skip-meson) skip_meson=yes | |
719 | ;; | |
720 | --meson=*) meson="$optarg" | |
721 | ;; | |
722 | --ninja=*) ninja="$optarg" | |
723 | ;; | |
724 | --smbd=*) smbd="$optarg" | |
725 | ;; | |
726 | --extra-cflags=*) | |
727 | ;; | |
728 | --extra-cxxflags=*) | |
729 | ;; | |
730 | --extra-objcflags=*) | |
731 | ;; | |
732 | --extra-ldflags=*) | |
733 | ;; | |
734 | --cross-cc-*) | |
735 | ;; | |
736 | --cross-prefix-*) | |
737 | ;; | |
738 | --enable-debug-info) meson_option_add -Ddebug=true | |
739 | ;; | |
740 | --disable-debug-info) meson_option_add -Ddebug=false | |
741 | ;; | |
742 | --enable-modules) | |
743 | modules="yes" | |
744 | ;; | |
745 | --disable-modules) | |
746 | modules="no" | |
747 | ;; | |
748 | --cpu=*) | |
749 | ;; | |
750 | --target-list=*) target_list="$optarg" | |
751 | if test "$target_list_exclude"; then | |
752 | error_exit "Can't mix --target-list with --target-list-exclude" | |
753 | fi | |
754 | ;; | |
755 | --target-list-exclude=*) target_list_exclude="$optarg" | |
756 | if test "$target_list"; then | |
757 | error_exit "Can't mix --target-list-exclude with --target-list" | |
758 | fi | |
759 | ;; | |
760 | --with-default-devices) meson_option_add -Ddefault_devices=true | |
761 | ;; | |
762 | --without-default-devices) meson_option_add -Ddefault_devices=false | |
763 | ;; | |
764 | --with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option" | |
765 | ;; | |
766 | --with-devices-*) device_arch=${opt#--with-devices-}; | |
767 | device_arch=${device_arch%%=*} | |
768 | cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak | |
769 | if test -f "$cf"; then | |
770 | device_archs="$device_archs $device_arch" | |
771 | eval "devices_${device_arch}=\$optarg" | |
772 | else | |
773 | error_exit "File $cf does not exist" | |
774 | fi | |
775 | ;; | |
776 | --without-default-features) # processed above | |
777 | ;; | |
778 | --static) | |
779 | static="yes" | |
780 | QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS" | |
781 | ;; | |
782 | --bindir=*) bindir="$optarg" | |
783 | ;; | |
784 | --with-suffix=*) qemu_suffix="$optarg" | |
785 | ;; | |
786 | --host=*|--build=*|\ | |
787 | --disable-dependency-tracking|\ | |
788 | --sbindir=*|--sharedstatedir=*|\ | |
789 | --oldincludedir=*|--datarootdir=*|--infodir=*|\ | |
790 | --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*) | |
791 | # These switches are silently ignored, for compatibility with | |
792 | # autoconf-generated configure scripts. This allows QEMU's | |
793 | # configure to be used by RPM and similar macros that set | |
794 | # lots of directory switches by default. | |
795 | ;; | |
796 | --enable-debug-tcg) debug_tcg="yes" | |
797 | ;; | |
798 | --disable-debug-tcg) debug_tcg="no" | |
799 | ;; | |
800 | --enable-debug) | |
801 | # Enable debugging options that aren't excessively noisy | |
802 | debug_tcg="yes" | |
803 | meson_option_parse --enable-debug-mutex "" | |
804 | meson_option_add -Doptimization=0 | |
805 | fortify_source="no" | |
806 | ;; | |
807 | --enable-sanitizers) sanitizers="yes" | |
808 | ;; | |
809 | --disable-sanitizers) sanitizers="no" | |
810 | ;; | |
811 | --enable-tsan) tsan="yes" | |
812 | ;; | |
813 | --disable-tsan) tsan="no" | |
814 | ;; | |
815 | --disable-slirp) slirp="disabled" | |
816 | ;; | |
817 | --enable-slirp) slirp="enabled" | |
818 | ;; | |
819 | --enable-slirp=git) slirp="internal" | |
820 | ;; | |
821 | --enable-slirp=*) slirp="$optarg" | |
822 | ;; | |
823 | --disable-tcg) tcg="disabled" | |
824 | plugins="no" | |
825 | ;; | |
826 | --enable-tcg) tcg="enabled" | |
827 | ;; | |
828 | --disable-system) softmmu="no" | |
829 | ;; | |
830 | --enable-system) softmmu="yes" | |
831 | ;; | |
832 | --disable-user) | |
833 | linux_user="no" ; | |
834 | bsd_user="no" ; | |
835 | ;; | |
836 | --enable-user) ;; | |
837 | --disable-linux-user) linux_user="no" | |
838 | ;; | |
839 | --enable-linux-user) linux_user="yes" | |
840 | ;; | |
841 | --disable-bsd-user) bsd_user="no" | |
842 | ;; | |
843 | --enable-bsd-user) bsd_user="yes" | |
844 | ;; | |
845 | --enable-pie) pie="yes" | |
846 | ;; | |
847 | --disable-pie) pie="no" | |
848 | ;; | |
849 | --enable-werror) werror="yes" | |
850 | ;; | |
851 | --disable-werror) werror="no" | |
852 | ;; | |
853 | --enable-stack-protector) stack_protector="yes" | |
854 | ;; | |
855 | --disable-stack-protector) stack_protector="no" | |
856 | ;; | |
857 | --enable-safe-stack) safe_stack="yes" | |
858 | ;; | |
859 | --disable-safe-stack) safe_stack="no" | |
860 | ;; | |
861 | --enable-cfi) | |
862 | cfi="true"; | |
863 | meson_option_add -Db_lto=true | |
864 | ;; | |
865 | --disable-cfi) cfi="false" | |
866 | ;; | |
867 | --disable-fdt) fdt="disabled" | |
868 | ;; | |
869 | --enable-fdt) fdt="enabled" | |
870 | ;; | |
871 | --enable-fdt=git) fdt="internal" | |
872 | ;; | |
873 | --enable-fdt=*) fdt="$optarg" | |
874 | ;; | |
875 | --with-coroutine=*) coroutine="$optarg" | |
876 | ;; | |
877 | --disable-zlib-test) | |
878 | ;; | |
879 | --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane) | |
880 | echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2 | |
881 | ;; | |
882 | --enable-vhdx|--disable-vhdx) | |
883 | echo "$0: $opt is obsolete, VHDX driver is always built" >&2 | |
884 | ;; | |
885 | --enable-uuid|--disable-uuid) | |
886 | echo "$0: $opt is obsolete, UUID support is always built" >&2 | |
887 | ;; | |
888 | --with-git=*) git="$optarg" | |
889 | ;; | |
890 | --with-git-submodules=*) | |
891 | git_submodules_action="$optarg" | |
892 | ;; | |
893 | --enable-plugins) if test "$mingw32" = "yes"; then | |
894 | error_exit "TCG plugins not currently supported on Windows platforms" | |
895 | else | |
896 | plugins="yes" | |
897 | fi | |
898 | ;; | |
899 | --disable-plugins) plugins="no" | |
900 | ;; | |
901 | --enable-containers) use_containers="yes" | |
902 | ;; | |
903 | --disable-containers) use_containers="no" | |
904 | ;; | |
905 | --gdb=*) gdb_bin="$optarg" | |
906 | ;; | |
907 | # backwards compatibility options | |
908 | --enable-trace-backend=*) meson_option_parse "--enable-trace-backends=$optarg" "$optarg" | |
909 | ;; | |
910 | --disable-blobs) meson_option_parse --disable-install-blobs "" | |
911 | ;; | |
912 | --enable-tcmalloc) meson_option_parse --enable-malloc=tcmalloc tcmalloc | |
913 | ;; | |
914 | --enable-jemalloc) meson_option_parse --enable-malloc=jemalloc jemalloc | |
915 | ;; | |
916 | # everything else has the same name in configure and meson | |
917 | --*) meson_option_parse "$opt" "$optarg" | |
918 | ;; | |
919 | esac | |
920 | done | |
921 | ||
922 | # test for any invalid configuration combinations | |
923 | if test "$plugins" = "yes" -a "$tcg" = "disabled"; then | |
924 | error_exit "Can't enable plugins on non-TCG builds" | |
925 | fi | |
926 | ||
927 | case $git_submodules_action in | |
928 | update|validate) | |
929 | if test ! -e "$source_path/.git"; then | |
930 | echo "ERROR: cannot $git_submodules_action git submodules without .git" | |
931 | exit 1 | |
932 | fi | |
933 | ;; | |
934 | ignore) | |
935 | if ! test -f "$source_path/ui/keycodemapdb/README" | |
936 | then | |
937 | echo | |
938 | echo "ERROR: missing GIT submodules" | |
939 | echo | |
940 | if test -e "$source_path/.git"; then | |
941 | echo "--with-git-submodules=ignore specified but submodules were not" | |
942 | echo "checked out. Please initialize and update submodules." | |
943 | else | |
944 | echo "This is not a GIT checkout but module content appears to" | |
945 | echo "be missing. Do not use 'git archive' or GitHub download links" | |
946 | echo "to acquire QEMU source archives. Non-GIT builds are only" | |
947 | echo "supported with source archives linked from:" | |
948 | echo | |
949 | echo " https://www.qemu.org/download/#source" | |
950 | echo | |
951 | echo "Developers working with GIT can use scripts/archive-source.sh" | |
952 | echo "if they need to create valid source archives." | |
953 | fi | |
954 | echo | |
955 | exit 1 | |
956 | fi | |
957 | ;; | |
958 | *) | |
959 | echo "ERROR: invalid --with-git-submodules= value '$git_submodules_action'" | |
960 | exit 1 | |
961 | ;; | |
962 | esac | |
963 | ||
964 | default_target_list="" | |
965 | mak_wilds="" | |
966 | ||
967 | if [ "$linux_user" != no ]; then | |
968 | if [ "$targetos" = linux ] && [ -d $source_path/linux-user/include/host/$cpu ]; then | |
969 | linux_user=yes | |
970 | elif [ "$linux_user" = yes ]; then | |
971 | error_exit "linux-user not supported on this architecture" | |
972 | fi | |
973 | fi | |
974 | if [ "$bsd_user" != no ]; then | |
975 | if [ "$bsd_user" = "" ]; then | |
976 | test $targetos = freebsd && bsd_user=yes | |
977 | fi | |
978 | if [ "$bsd_user" = yes ] && ! [ -d $source_path/bsd-user/$targetos ]; then | |
979 | error_exit "bsd-user not supported on this host OS" | |
980 | fi | |
981 | fi | |
982 | if [ "$softmmu" = "yes" ]; then | |
983 | mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak" | |
984 | fi | |
985 | if [ "$linux_user" = "yes" ]; then | |
986 | mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak" | |
987 | fi | |
988 | if [ "$bsd_user" = "yes" ]; then | |
989 | mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak" | |
990 | fi | |
991 | ||
992 | for config in $mak_wilds; do | |
993 | target="$(basename "$config" .mak)" | |
994 | if echo "$target_list_exclude" | grep -vq "$target"; then | |
995 | default_target_list="${default_target_list} $target" | |
996 | fi | |
997 | done | |
998 | ||
999 | if test x"$show_help" = x"yes" ; then | |
1000 | cat << EOF | |
1001 | ||
1002 | Usage: configure [options] | |
1003 | Options: [defaults in brackets after descriptions] | |
1004 | ||
1005 | Standard options: | |
1006 | --help print this message | |
1007 | --prefix=PREFIX install in PREFIX [$prefix] | |
1008 | --target-list=LIST set target list (default: build all) | |
1009 | $(echo Available targets: $default_target_list | \ | |
1010 | fold -s -w 53 | sed -e 's/^/ /') | |
1011 | --target-list-exclude=LIST exclude a set of targets from the default target-list | |
1012 | ||
1013 | Advanced options (experts only): | |
1014 | --cross-prefix=PREFIX use PREFIX for compile tools, PREFIX can be blank [$cross_prefix] | |
1015 | --cc=CC use C compiler CC [$cc] | |
1016 | --host-cc=CC use C compiler CC [$host_cc] for code run at | |
1017 | build time | |
1018 | --cxx=CXX use C++ compiler CXX [$cxx] | |
1019 | --objcc=OBJCC use Objective-C compiler OBJCC [$objcc] | |
1020 | --extra-cflags=CFLAGS append extra C compiler flags CFLAGS | |
1021 | --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS | |
1022 | --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS | |
1023 | --extra-ldflags=LDFLAGS append extra linker flags LDFLAGS | |
1024 | --cross-cc-ARCH=CC use compiler when building ARCH guest test cases | |
1025 | --cross-cc-cflags-ARCH= use compiler flags when building ARCH guest tests | |
1026 | --cross-prefix-ARCH=PREFIX cross compiler prefix when building ARCH guest test cases | |
1027 | --make=MAKE use specified make [$make] | |
1028 | --python=PYTHON use specified python [$python] | |
1029 | --meson=MESON use specified meson [$meson] | |
1030 | --ninja=NINJA use specified ninja [$ninja] | |
1031 | --smbd=SMBD use specified smbd [$smbd] | |
1032 | --with-git=GIT use specified git [$git] | |
1033 | --with-git-submodules=update update git submodules (default if .git dir exists) | |
1034 | --with-git-submodules=validate fail if git submodules are not up to date | |
1035 | --with-git-submodules=ignore do not update or check git submodules (default if no .git dir) | |
1036 | --static enable static build [$static] | |
1037 | --bindir=PATH install binaries in PATH | |
1038 | --with-suffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix] | |
1039 | --without-default-features default all --enable-* options to "disabled" | |
1040 | --without-default-devices do not include any device that is not needed to | |
1041 | start the emulator (only use if you are including | |
1042 | desired devices in configs/devices/) | |
1043 | --with-devices-ARCH=NAME override default configs/devices | |
1044 | --enable-debug enable common debug build options | |
1045 | --enable-sanitizers enable default sanitizers | |
1046 | --enable-tsan enable thread sanitizer | |
1047 | --disable-werror disable compilation abort on warning | |
1048 | --disable-stack-protector disable compiler-provided stack protection | |
1049 | --cpu=CPU Build for host CPU [$cpu] | |
1050 | --with-coroutine=BACKEND coroutine backend. Supported options: | |
1051 | ucontext, sigaltstack, windows | |
1052 | --enable-plugins | |
1053 | enable plugins via shared library loading | |
1054 | --disable-containers don't use containers for cross-building | |
1055 | --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin] | |
1056 | EOF | |
1057 | meson_options_help | |
1058 | cat << EOF | |
1059 | system all system emulation targets | |
1060 | user supported user emulation targets | |
1061 | linux-user all linux usermode emulation targets | |
1062 | bsd-user all BSD usermode emulation targets | |
1063 | pie Position Independent Executables | |
1064 | modules modules support (non-Windows) | |
1065 | debug-tcg TCG debugging (default is disabled) | |
1066 | debug-info debugging information | |
1067 | safe-stack SafeStack Stack Smash Protection. Depends on | |
1068 | clang/llvm >= 3.7 and requires coroutine backend ucontext. | |
1069 | ||
1070 | NOTE: The object files are built at the place where configure is launched | |
1071 | EOF | |
1072 | exit 0 | |
1073 | fi | |
1074 | ||
1075 | # Remove old dependency files to make sure that they get properly regenerated | |
1076 | rm -f */config-devices.mak.d | |
1077 | ||
1078 | if test -z "$python" | |
1079 | then | |
1080 | error_exit "Python not found. Use --python=/path/to/python" | |
1081 | fi | |
1082 | if ! has "$make" | |
1083 | then | |
1084 | error_exit "GNU make ($make) not found" | |
1085 | fi | |
1086 | ||
1087 | # Note that if the Python conditional here evaluates True we will exit | |
1088 | # with status 1 which is a shell 'false' value. | |
1089 | if ! $python -c 'import sys; sys.exit(sys.version_info < (3,6))'; then | |
1090 | error_exit "Cannot use '$python', Python >= 3.6 is required." \ | |
1091 | "Use --python=/path/to/python to specify a supported Python." | |
1092 | fi | |
1093 | ||
1094 | # Preserve python version since some functionality is dependent on it | |
1095 | python_version=$($python -c 'import sys; print("%d.%d.%d" % (sys.version_info[0], sys.version_info[1], sys.version_info[2]))' 2>/dev/null) | |
1096 | ||
1097 | # Suppress writing compiled files | |
1098 | python="$python -B" | |
1099 | ||
1100 | if test -z "$meson"; then | |
1101 | if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.59.3; then | |
1102 | meson=meson | |
1103 | elif test $git_submodules_action != 'ignore' ; then | |
1104 | meson=git | |
1105 | elif test -e "${source_path}/meson/meson.py" ; then | |
1106 | meson=internal | |
1107 | else | |
1108 | if test "$explicit_python" = yes; then | |
1109 | error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found." | |
1110 | else | |
1111 | error_exit "Meson not found. Use --meson=/path/to/meson" | |
1112 | fi | |
1113 | fi | |
1114 | else | |
1115 | # Meson uses its own Python interpreter to invoke other Python scripts, | |
1116 | # but the user wants to use the one they specified with --python. | |
1117 | # | |
1118 | # We do not want to override the distro Python interpreter (and sometimes | |
1119 | # cannot: for example in Homebrew /usr/bin/meson is a bash script), so | |
1120 | # just require --meson=git|internal together with --python. | |
1121 | if test "$explicit_python" = yes; then | |
1122 | case "$meson" in | |
1123 | git | internal) ;; | |
1124 | *) error_exit "--python requires using QEMU's embedded Meson distribution." ;; | |
1125 | esac | |
1126 | fi | |
1127 | fi | |
1128 | ||
1129 | if test "$meson" = git; then | |
1130 | git_submodules="${git_submodules} meson" | |
1131 | fi | |
1132 | ||
1133 | case "$meson" in | |
1134 | git | internal) | |
1135 | meson="$python ${source_path}/meson/meson.py" | |
1136 | ;; | |
1137 | *) meson=$(command -v "$meson") ;; | |
1138 | esac | |
1139 | ||
1140 | # Probe for ninja | |
1141 | ||
1142 | if test -z "$ninja"; then | |
1143 | for c in ninja ninja-build samu; do | |
1144 | if has $c; then | |
1145 | ninja=$(command -v "$c") | |
1146 | break | |
1147 | fi | |
1148 | done | |
1149 | if test -z "$ninja"; then | |
1150 | error_exit "Cannot find Ninja" | |
1151 | fi | |
1152 | fi | |
1153 | ||
1154 | # Check that the C compiler works. Doing this here before testing | |
1155 | # the host CPU ensures that we had a valid CC to autodetect the | |
1156 | # $cpu var (and we should bail right here if that's not the case). | |
1157 | # It also allows the help message to be printed without a CC. | |
1158 | write_c_skeleton; | |
1159 | if compile_object ; then | |
1160 | : C compiler works ok | |
1161 | else | |
1162 | error_exit "\"$cc\" either does not exist or does not work" | |
1163 | fi | |
1164 | if ! compile_prog ; then | |
1165 | error_exit "\"$cc\" cannot build an executable (is your linker broken?)" | |
1166 | fi | |
1167 | ||
1168 | # Consult white-list to determine whether to enable werror | |
1169 | # by default. Only enable by default for git builds | |
1170 | if test -z "$werror" ; then | |
1171 | if test "$git_submodules_action" != "ignore" && \ | |
1172 | { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then | |
1173 | werror="yes" | |
1174 | else | |
1175 | werror="no" | |
1176 | fi | |
1177 | fi | |
1178 | ||
1179 | if test "$targetos" = "bogus"; then | |
1180 | # Now that we know that we're not printing the help and that | |
1181 | # the compiler works (so the results of the check_defines we used | |
1182 | # to identify the OS are reliable), if we didn't recognize the | |
1183 | # host OS we should stop now. | |
1184 | error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')" | |
1185 | fi | |
1186 | ||
1187 | # Check whether the compiler matches our minimum requirements: | |
1188 | cat > $TMPC << EOF | |
1189 | #if defined(__clang_major__) && defined(__clang_minor__) | |
1190 | # ifdef __apple_build_version__ | |
1191 | # if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0) | |
1192 | # error You need at least XCode Clang v10.0 to compile QEMU | |
1193 | # endif | |
1194 | # else | |
1195 | # if __clang_major__ < 6 || (__clang_major__ == 6 && __clang_minor__ < 0) | |
1196 | # error You need at least Clang v6.0 to compile QEMU | |
1197 | # endif | |
1198 | # endif | |
1199 | #elif defined(__GNUC__) && defined(__GNUC_MINOR__) | |
1200 | # if __GNUC__ < 7 || (__GNUC__ == 7 && __GNUC_MINOR__ < 4) | |
1201 | # error You need at least GCC v7.4.0 to compile QEMU | |
1202 | # endif | |
1203 | #else | |
1204 | # error You either need GCC or Clang to compiler QEMU | |
1205 | #endif | |
1206 | int main (void) { return 0; } | |
1207 | EOF | |
1208 | if ! compile_prog "" "" ; then | |
1209 | error_exit "You need at least GCC v7.4 or Clang v6.0 (or XCode Clang v10.0)" | |
1210 | fi | |
1211 | ||
1212 | # Accumulate -Wfoo and -Wno-bar separately. | |
1213 | # We will list all of the enable flags first, and the disable flags second. | |
1214 | # Note that we do not add -Werror, because that would enable it for all | |
1215 | # configure tests. If a configure test failed due to -Werror this would | |
1216 | # just silently disable some features, so it's too error prone. | |
1217 | ||
1218 | warn_flags= | |
1219 | add_to warn_flags -Wold-style-declaration | |
1220 | add_to warn_flags -Wold-style-definition | |
1221 | add_to warn_flags -Wtype-limits | |
1222 | add_to warn_flags -Wformat-security | |
1223 | add_to warn_flags -Wformat-y2k | |
1224 | add_to warn_flags -Winit-self | |
1225 | add_to warn_flags -Wignored-qualifiers | |
1226 | add_to warn_flags -Wempty-body | |
1227 | add_to warn_flags -Wnested-externs | |
1228 | add_to warn_flags -Wendif-labels | |
1229 | add_to warn_flags -Wexpansion-to-defined | |
1230 | add_to warn_flags -Wimplicit-fallthrough=2 | |
1231 | ||
1232 | nowarn_flags= | |
1233 | add_to nowarn_flags -Wno-initializer-overrides | |
1234 | add_to nowarn_flags -Wno-missing-include-dirs | |
1235 | add_to nowarn_flags -Wno-shift-negative-value | |
1236 | add_to nowarn_flags -Wno-string-plus-int | |
1237 | add_to nowarn_flags -Wno-typedef-redefinition | |
1238 | add_to nowarn_flags -Wno-tautological-type-limit-compare | |
1239 | add_to nowarn_flags -Wno-psabi | |
1240 | ||
1241 | gcc_flags="$warn_flags $nowarn_flags" | |
1242 | ||
1243 | cc_has_warning_flag() { | |
1244 | write_c_skeleton; | |
1245 | ||
1246 | # Use the positive sense of the flag when testing for -Wno-wombat | |
1247 | # support (gcc will happily accept the -Wno- form of unknown | |
1248 | # warning options). | |
1249 | optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')" | |
1250 | compile_prog "-Werror $optflag" "" | |
1251 | } | |
1252 | ||
1253 | objcc_has_warning_flag() { | |
1254 | cat > $TMPM <<EOF | |
1255 | int main(void) { return 0; } | |
1256 | EOF | |
1257 | ||
1258 | # Use the positive sense of the flag when testing for -Wno-wombat | |
1259 | # support (gcc will happily accept the -Wno- form of unknown | |
1260 | # warning options). | |
1261 | optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')" | |
1262 | do_objc -Werror $optflag \ | |
1263 | $OBJCFLAGS $EXTRA_OBJCFLAGS $CONFIGURE_OBJCFLAGS $QEMU_OBJCFLAGS \ | |
1264 | -o $TMPE $TMPM $QEMU_LDFLAGS | |
1265 | } | |
1266 | ||
1267 | for flag in $gcc_flags; do | |
1268 | if cc_has_warning_flag $flag ; then | |
1269 | QEMU_CFLAGS="$QEMU_CFLAGS $flag" | |
1270 | fi | |
1271 | if objcc_has_warning_flag $flag ; then | |
1272 | QEMU_OBJCFLAGS="$QEMU_OBJCFLAGS $flag" | |
1273 | fi | |
1274 | done | |
1275 | ||
1276 | if test "$stack_protector" != "no"; then | |
1277 | cat > $TMPC << EOF | |
1278 | int main(int argc, char *argv[]) | |
1279 | { | |
1280 | char arr[64], *p = arr, *c = argv[0]; | |
1281 | while (*c) { | |
1282 | *p++ = *c++; | |
1283 | } | |
1284 | return 0; | |
1285 | } | |
1286 | EOF | |
1287 | gcc_flags="-fstack-protector-strong -fstack-protector-all" | |
1288 | sp_on=0 | |
1289 | for flag in $gcc_flags; do | |
1290 | # We need to check both a compile and a link, since some compiler | |
1291 | # setups fail only on a .c->.o compile and some only at link time | |
1292 | if compile_object "-Werror $flag" && | |
1293 | compile_prog "-Werror $flag" ""; then | |
1294 | QEMU_CFLAGS="$QEMU_CFLAGS $flag" | |
1295 | QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" | |
1296 | sp_on=1 | |
1297 | break | |
1298 | fi | |
1299 | done | |
1300 | if test "$stack_protector" = yes; then | |
1301 | if test $sp_on = 0; then | |
1302 | error_exit "Stack protector not supported" | |
1303 | fi | |
1304 | fi | |
1305 | fi | |
1306 | ||
1307 | # Disable -Wmissing-braces on older compilers that warn even for | |
1308 | # the "universal" C zero initializer {0}. | |
1309 | cat > $TMPC << EOF | |
1310 | struct { | |
1311 | int a[2]; | |
1312 | } x = {0}; | |
1313 | EOF | |
1314 | if compile_object "-Werror" "" ; then | |
1315 | : | |
1316 | else | |
1317 | QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces" | |
1318 | fi | |
1319 | ||
1320 | # Our module code doesn't support Windows | |
1321 | if test "$modules" = "yes" && test "$mingw32" = "yes" ; then | |
1322 | error_exit "Modules are not available for Windows" | |
1323 | fi | |
1324 | ||
1325 | # Static linking is not possible with plugins, modules or PIE | |
1326 | if test "$static" = "yes" ; then | |
1327 | if test "$modules" = "yes" ; then | |
1328 | error_exit "static and modules are mutually incompatible" | |
1329 | fi | |
1330 | if test "$plugins" = "yes"; then | |
1331 | error_exit "static and plugins are mutually incompatible" | |
1332 | else | |
1333 | plugins="no" | |
1334 | fi | |
1335 | fi | |
1336 | test "$plugins" = "" && plugins=yes | |
1337 | ||
1338 | cat > $TMPC << EOF | |
1339 | ||
1340 | #ifdef __linux__ | |
1341 | # define THREAD __thread | |
1342 | #else | |
1343 | # define THREAD | |
1344 | #endif | |
1345 | static THREAD int tls_var; | |
1346 | int main(void) { return tls_var; } | |
1347 | EOF | |
1348 | ||
1349 | # Check we support -fno-pie and -no-pie first; we will need the former for | |
1350 | # building ROMs, and both for everything if --disable-pie is passed. | |
1351 | if compile_prog "-Werror -fno-pie" "-no-pie"; then | |
1352 | CFLAGS_NOPIE="-fno-pie" | |
1353 | LDFLAGS_NOPIE="-no-pie" | |
1354 | fi | |
1355 | ||
1356 | if test "$static" = "yes"; then | |
1357 | if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then | |
1358 | CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" | |
1359 | QEMU_LDFLAGS="-static-pie $QEMU_LDFLAGS" | |
1360 | pie="yes" | |
1361 | elif test "$pie" = "yes"; then | |
1362 | error_exit "-static-pie not available due to missing toolchain support" | |
1363 | else | |
1364 | QEMU_LDFLAGS="-static $QEMU_LDFLAGS" | |
1365 | pie="no" | |
1366 | fi | |
1367 | elif test "$pie" = "no"; then | |
1368 | CONFIGURE_CFLAGS="$CFLAGS_NOPIE $CONFIGURE_CFLAGS" | |
1369 | CONFIGURE_LDFLAGS="$LDFLAGS_NOPIE $CONFIGURE_LDFLAGS" | |
1370 | elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then | |
1371 | CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" | |
1372 | CONFIGURE_LDFLAGS="-pie $CONFIGURE_LDFLAGS" | |
1373 | pie="yes" | |
1374 | elif test "$pie" = "yes"; then | |
1375 | error_exit "PIE not available due to missing toolchain support" | |
1376 | else | |
1377 | echo "Disabling PIE due to missing toolchain support" | |
1378 | pie="no" | |
1379 | fi | |
1380 | ||
1381 | # Detect support for PT_GNU_RELRO + DT_BIND_NOW. | |
1382 | # The combination is known as "full relro", because .got.plt is read-only too. | |
1383 | if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then | |
1384 | QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS" | |
1385 | fi | |
1386 | ||
1387 | ########################################## | |
1388 | # __sync_fetch_and_and requires at least -march=i486. Many toolchains | |
1389 | # use i686 as default anyway, but for those that don't, an explicit | |
1390 | # specification is necessary | |
1391 | ||
1392 | if test "$cpu" = "i386"; then | |
1393 | cat > $TMPC << EOF | |
1394 | static int sfaa(int *ptr) | |
1395 | { | |
1396 | return __sync_fetch_and_and(ptr, 0); | |
1397 | } | |
1398 | ||
1399 | int main(void) | |
1400 | { | |
1401 | int val = 42; | |
1402 | val = __sync_val_compare_and_swap(&val, 0, 1); | |
1403 | sfaa(&val); | |
1404 | return val; | |
1405 | } | |
1406 | EOF | |
1407 | if ! compile_prog "" "" ; then | |
1408 | QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS" | |
1409 | fi | |
1410 | fi | |
1411 | ||
1412 | if test "$tcg" = "enabled"; then | |
1413 | git_submodules="$git_submodules tests/fp/berkeley-testfloat-3" | |
1414 | git_submodules="$git_submodules tests/fp/berkeley-softfloat-3" | |
1415 | fi | |
1416 | ||
1417 | if test -z "${target_list+xxx}" ; then | |
1418 | default_targets=yes | |
1419 | for target in $default_target_list; do | |
1420 | target_list="$target_list $target" | |
1421 | done | |
1422 | target_list="${target_list# }" | |
1423 | else | |
1424 | default_targets=no | |
1425 | target_list=$(echo "$target_list" | sed -e 's/,/ /g') | |
1426 | for target in $target_list; do | |
1427 | # Check that we recognised the target name; this allows a more | |
1428 | # friendly error message than if we let it fall through. | |
1429 | case " $default_target_list " in | |
1430 | *" $target "*) | |
1431 | ;; | |
1432 | *) | |
1433 | error_exit "Unknown target name '$target'" | |
1434 | ;; | |
1435 | esac | |
1436 | done | |
1437 | fi | |
1438 | ||
1439 | # see if system emulation was really requested | |
1440 | case " $target_list " in | |
1441 | *"-softmmu "*) softmmu=yes | |
1442 | ;; | |
1443 | *) softmmu=no | |
1444 | ;; | |
1445 | esac | |
1446 | ||
1447 | feature_not_found() { | |
1448 | feature=$1 | |
1449 | remedy=$2 | |
1450 | ||
1451 | error_exit "User requested feature $feature" \ | |
1452 | "configure was not able to find it." \ | |
1453 | "$remedy" | |
1454 | } | |
1455 | ||
1456 | # --- | |
1457 | # big/little endian test | |
1458 | cat > $TMPC << EOF | |
1459 | #include <stdio.h> | |
1460 | short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, }; | |
1461 | short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, }; | |
1462 | int main(int argc, char *argv[]) | |
1463 | { | |
1464 | return printf("%s %s\n", (char *)big_endian, (char *)little_endian); | |
1465 | } | |
1466 | EOF | |
1467 | ||
1468 | if compile_prog ; then | |
1469 | if strings -a $TMPE | grep -q BiGeNdIaN ; then | |
1470 | bigendian="yes" | |
1471 | elif strings -a $TMPE | grep -q LiTtLeEnDiAn ; then | |
1472 | bigendian="no" | |
1473 | else | |
1474 | echo big/little test failed | |
1475 | exit 1 | |
1476 | fi | |
1477 | else | |
1478 | echo big/little test failed | |
1479 | exit 1 | |
1480 | fi | |
1481 | ||
1482 | ########################################## | |
1483 | # pkg-config probe | |
1484 | ||
1485 | if ! has "$pkg_config_exe"; then | |
1486 | error_exit "pkg-config binary '$pkg_config_exe' not found" | |
1487 | fi | |
1488 | ||
1489 | ########################################## | |
1490 | # glib support probe | |
1491 | ||
1492 | # When bumping glib_req_ver, please check also whether we should increase | |
1493 | # the _WIN32_WINNT setting in osdep.h according to the value from glib | |
1494 | glib_req_ver=2.56 | |
1495 | glib_modules=gthread-2.0 | |
1496 | if test "$modules" = yes; then | |
1497 | glib_modules="$glib_modules gmodule-export-2.0" | |
1498 | elif test "$plugins" = "yes"; then | |
1499 | glib_modules="$glib_modules gmodule-no-export-2.0" | |
1500 | fi | |
1501 | ||
1502 | for i in $glib_modules; do | |
1503 | if $pkg_config --atleast-version=$glib_req_ver $i; then | |
1504 | glib_cflags=$($pkg_config --cflags $i) | |
1505 | glib_libs=$($pkg_config --libs $i) | |
1506 | else | |
1507 | error_exit "glib-$glib_req_ver $i is required to compile QEMU" | |
1508 | fi | |
1509 | done | |
1510 | ||
1511 | glib_bindir="$($pkg_config --variable=bindir glib-2.0)" | |
1512 | if test -z "$glib_bindir" ; then | |
1513 | glib_bindir="$($pkg_config --variable=prefix glib-2.0)"/bin | |
1514 | fi | |
1515 | ||
1516 | # This workaround is required due to a bug in pkg-config file for glib as it | |
1517 | # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static | |
1518 | ||
1519 | if test "$static" = yes && test "$mingw32" = yes; then | |
1520 | glib_cflags="-DGLIB_STATIC_COMPILATION $glib_cflags" | |
1521 | fi | |
1522 | ||
1523 | # Sanity check that the current size_t matches the | |
1524 | # size that glib thinks it should be. This catches | |
1525 | # problems on multi-arch where people try to build | |
1526 | # 32-bit QEMU while pointing at 64-bit glib headers | |
1527 | cat > $TMPC <<EOF | |
1528 | #include <glib.h> | |
1529 | #include <unistd.h> | |
1530 | ||
1531 | #define QEMU_BUILD_BUG_ON(x) \ | |
1532 | typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused)); | |
1533 | ||
1534 | int main(void) { | |
1535 | QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T); | |
1536 | return 0; | |
1537 | } | |
1538 | EOF | |
1539 | ||
1540 | if ! compile_prog "$glib_cflags" "$glib_libs" ; then | |
1541 | error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\ | |
1542 | "You probably need to set PKG_CONFIG_LIBDIR"\ | |
1543 | "to point to the right pkg-config files for your"\ | |
1544 | "build target" | |
1545 | fi | |
1546 | ||
1547 | # Silence clang warnings triggered by glib < 2.57.2 | |
1548 | cat > $TMPC << EOF | |
1549 | #include <glib.h> | |
1550 | typedef struct Foo { | |
1551 | int i; | |
1552 | } Foo; | |
1553 | static void foo_free(Foo *f) | |
1554 | { | |
1555 | g_free(f); | |
1556 | } | |
1557 | G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free) | |
1558 | int main(void) { return 0; } | |
1559 | EOF | |
1560 | if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then | |
1561 | if cc_has_warning_flag "-Wno-unused-function"; then | |
1562 | glib_cflags="$glib_cflags -Wno-unused-function" | |
1563 | CONFIGURE_CFLAGS="$CONFIGURE_CFLAGS -Wno-unused-function" | |
1564 | fi | |
1565 | fi | |
1566 | ||
1567 | ########################################## | |
1568 | # fdt probe | |
1569 | ||
1570 | case "$fdt" in | |
1571 | auto | enabled | internal) | |
1572 | # Simpler to always update submodule, even if not needed. | |
1573 | git_submodules="${git_submodules} dtc" | |
1574 | ;; | |
1575 | esac | |
1576 | ||
1577 | ########################################## | |
1578 | # check and set a backend for coroutine | |
1579 | ||
1580 | # We prefer ucontext, but it's not always possible. The fallback | |
1581 | # is sigcontext. On Windows the only valid backend is the Windows | |
1582 | # specific one. | |
1583 | ||
1584 | ucontext_works=no | |
1585 | if test "$darwin" != "yes"; then | |
1586 | cat > $TMPC << EOF | |
1587 | #include <ucontext.h> | |
1588 | #ifdef __stub_makecontext | |
1589 | #error Ignoring glibc stub makecontext which will always fail | |
1590 | #endif | |
1591 | int main(void) { makecontext(0, 0, 0); return 0; } | |
1592 | EOF | |
1593 | if compile_prog "" "" ; then | |
1594 | ucontext_works=yes | |
1595 | fi | |
1596 | fi | |
1597 | ||
1598 | if test "$coroutine" = ""; then | |
1599 | if test "$mingw32" = "yes"; then | |
1600 | coroutine=win32 | |
1601 | elif test "$ucontext_works" = "yes"; then | |
1602 | coroutine=ucontext | |
1603 | else | |
1604 | coroutine=sigaltstack | |
1605 | fi | |
1606 | else | |
1607 | case $coroutine in | |
1608 | windows) | |
1609 | if test "$mingw32" != "yes"; then | |
1610 | error_exit "'windows' coroutine backend only valid for Windows" | |
1611 | fi | |
1612 | # Unfortunately the user visible backend name doesn't match the | |
1613 | # coroutine-*.c filename for this case, so we have to adjust it here. | |
1614 | coroutine=win32 | |
1615 | ;; | |
1616 | ucontext) | |
1617 | if test "$ucontext_works" != "yes"; then | |
1618 | feature_not_found "ucontext" | |
1619 | fi | |
1620 | ;; | |
1621 | sigaltstack) | |
1622 | if test "$mingw32" = "yes"; then | |
1623 | error_exit "only the 'windows' coroutine backend is valid for Windows" | |
1624 | fi | |
1625 | ;; | |
1626 | *) | |
1627 | error_exit "unknown coroutine backend $coroutine" | |
1628 | ;; | |
1629 | esac | |
1630 | fi | |
1631 | ||
1632 | ################################################## | |
1633 | # SafeStack | |
1634 | ||
1635 | ||
1636 | if test "$safe_stack" = "yes"; then | |
1637 | cat > $TMPC << EOF | |
1638 | int main(int argc, char *argv[]) | |
1639 | { | |
1640 | #if ! __has_feature(safe_stack) | |
1641 | #error SafeStack Disabled | |
1642 | #endif | |
1643 | return 0; | |
1644 | } | |
1645 | EOF | |
1646 | flag="-fsanitize=safe-stack" | |
1647 | # Check that safe-stack is supported and enabled. | |
1648 | if compile_prog "-Werror $flag" "$flag"; then | |
1649 | # Flag needed both at compilation and at linking | |
1650 | QEMU_CFLAGS="$QEMU_CFLAGS $flag" | |
1651 | QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" | |
1652 | else | |
1653 | error_exit "SafeStack not supported by your compiler" | |
1654 | fi | |
1655 | if test "$coroutine" != "ucontext"; then | |
1656 | error_exit "SafeStack is only supported by the coroutine backend ucontext" | |
1657 | fi | |
1658 | else | |
1659 | cat > $TMPC << EOF | |
1660 | int main(int argc, char *argv[]) | |
1661 | { | |
1662 | #if defined(__has_feature) | |
1663 | #if __has_feature(safe_stack) | |
1664 | #error SafeStack Enabled | |
1665 | #endif | |
1666 | #endif | |
1667 | return 0; | |
1668 | } | |
1669 | EOF | |
1670 | if test "$safe_stack" = "no"; then | |
1671 | # Make sure that safe-stack is disabled | |
1672 | if ! compile_prog "-Werror" ""; then | |
1673 | # SafeStack was already enabled, try to explicitly remove the feature | |
1674 | flag="-fno-sanitize=safe-stack" | |
1675 | if ! compile_prog "-Werror $flag" "$flag"; then | |
1676 | error_exit "Configure cannot disable SafeStack" | |
1677 | fi | |
1678 | QEMU_CFLAGS="$QEMU_CFLAGS $flag" | |
1679 | QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" | |
1680 | fi | |
1681 | else # "$safe_stack" = "" | |
1682 | # Set safe_stack to yes or no based on pre-existing flags | |
1683 | if compile_prog "-Werror" ""; then | |
1684 | safe_stack="no" | |
1685 | else | |
1686 | safe_stack="yes" | |
1687 | if test "$coroutine" != "ucontext"; then | |
1688 | error_exit "SafeStack is only supported by the coroutine backend ucontext" | |
1689 | fi | |
1690 | fi | |
1691 | fi | |
1692 | fi | |
1693 | ||
1694 | ######################################## | |
1695 | # check if ccache is interfering with | |
1696 | # semantic analysis of macros | |
1697 | ||
1698 | unset CCACHE_CPP2 | |
1699 | ccache_cpp2=no | |
1700 | cat > $TMPC << EOF | |
1701 | static const int Z = 1; | |
1702 | #define fn() ({ Z; }) | |
1703 | #define TAUT(X) ((X) == Z) | |
1704 | #define PAREN(X, Y) (X == Y) | |
1705 | #define ID(X) (X) | |
1706 | int main(int argc, char *argv[]) | |
1707 | { | |
1708 | int x = 0, y = 0; | |
1709 | x = ID(x); | |
1710 | x = fn(); | |
1711 | fn(); | |
1712 | if (PAREN(x, y)) return 0; | |
1713 | if (TAUT(Z)) return 0; | |
1714 | return 0; | |
1715 | } | |
1716 | EOF | |
1717 | ||
1718 | if ! compile_object "-Werror"; then | |
1719 | ccache_cpp2=yes | |
1720 | fi | |
1721 | ||
1722 | ################################################# | |
1723 | # clang does not support glibc + FORTIFY_SOURCE. | |
1724 | ||
1725 | if test "$fortify_source" != "no"; then | |
1726 | if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then | |
1727 | fortify_source="no"; | |
1728 | elif test -n "$cxx" && has $cxx && | |
1729 | echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then | |
1730 | fortify_source="no"; | |
1731 | else | |
1732 | fortify_source="yes" | |
1733 | fi | |
1734 | fi | |
1735 | ||
1736 | ########################################## | |
1737 | # checks for sanitizers | |
1738 | ||
1739 | have_asan=no | |
1740 | have_ubsan=no | |
1741 | have_asan_iface_h=no | |
1742 | have_asan_iface_fiber=no | |
1743 | ||
1744 | if test "$sanitizers" = "yes" ; then | |
1745 | write_c_skeleton | |
1746 | if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then | |
1747 | have_asan=yes | |
1748 | fi | |
1749 | ||
1750 | # we could use a simple skeleton for flags checks, but this also | |
1751 | # detect the static linking issue of ubsan, see also: | |
1752 | # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285 | |
1753 | cat > $TMPC << EOF | |
1754 | #include <stdlib.h> | |
1755 | int main(void) { | |
1756 | void *tmp = malloc(10); | |
1757 | if (tmp != NULL) { | |
1758 | return *(int *)(tmp + 2); | |
1759 | } | |
1760 | return 1; | |
1761 | } | |
1762 | EOF | |
1763 | if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then | |
1764 | have_ubsan=yes | |
1765 | fi | |
1766 | ||
1767 | if check_include "sanitizer/asan_interface.h" ; then | |
1768 | have_asan_iface_h=yes | |
1769 | fi | |
1770 | ||
1771 | cat > $TMPC << EOF | |
1772 | #include <sanitizer/asan_interface.h> | |
1773 | int main(void) { | |
1774 | __sanitizer_start_switch_fiber(0, 0, 0); | |
1775 | return 0; | |
1776 | } | |
1777 | EOF | |
1778 | if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then | |
1779 | have_asan_iface_fiber=yes | |
1780 | fi | |
1781 | fi | |
1782 | ||
1783 | # Thread sanitizer is, for now, much noisier than the other sanitizers; | |
1784 | # keep it separate until that is not the case. | |
1785 | if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then | |
1786 | error_exit "TSAN is not supported with other sanitiziers." | |
1787 | fi | |
1788 | have_tsan=no | |
1789 | have_tsan_iface_fiber=no | |
1790 | if test "$tsan" = "yes" ; then | |
1791 | write_c_skeleton | |
1792 | if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then | |
1793 | have_tsan=yes | |
1794 | fi | |
1795 | cat > $TMPC << EOF | |
1796 | #include <sanitizer/tsan_interface.h> | |
1797 | int main(void) { | |
1798 | __tsan_create_fiber(0); | |
1799 | return 0; | |
1800 | } | |
1801 | EOF | |
1802 | if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then | |
1803 | have_tsan_iface_fiber=yes | |
1804 | fi | |
1805 | fi | |
1806 | ||
1807 | ########################################## | |
1808 | # check for slirp | |
1809 | ||
1810 | case "$slirp" in | |
1811 | auto | enabled | internal) | |
1812 | # Simpler to always update submodule, even if not needed. | |
1813 | git_submodules="${git_submodules} slirp" | |
1814 | ;; | |
1815 | esac | |
1816 | ||
1817 | ########################################## | |
1818 | # functions to probe cross compilers | |
1819 | ||
1820 | container="no" | |
1821 | if test $use_containers = "yes"; then | |
1822 | if has "docker" || has "podman"; then | |
1823 | container=$($python $source_path/tests/docker/docker.py probe) | |
1824 | fi | |
1825 | fi | |
1826 | ||
1827 | # cross compilers defaults, can be overridden with --cross-cc-ARCH | |
1828 | : ${cross_prefix_aarch64="aarch64-linux-gnu-"} | |
1829 | : ${cross_prefix_aarch64_be="$cross_prefix_aarch64"} | |
1830 | : ${cross_prefix_alpha="alpha-linux-gnu-"} | |
1831 | : ${cross_prefix_arm="arm-linux-gnueabihf-"} | |
1832 | : ${cross_prefix_armeb="$cross_prefix_arm"} | |
1833 | : ${cross_prefix_hexagon="hexagon-unknown-linux-musl-"} | |
1834 | : ${cross_prefix_loongarch64="loongarch64-unknown-linux-gnu-"} | |
1835 | : ${cross_prefix_hppa="hppa-linux-gnu-"} | |
1836 | : ${cross_prefix_i386="i686-linux-gnu-"} | |
1837 | : ${cross_prefix_m68k="m68k-linux-gnu-"} | |
1838 | : ${cross_prefix_microblaze="microblaze-linux-musl-"} | |
1839 | : ${cross_prefix_mips64el="mips64el-linux-gnuabi64-"} | |
1840 | : ${cross_prefix_mips64="mips64-linux-gnuabi64-"} | |
1841 | : ${cross_prefix_mipsel="mipsel-linux-gnu-"} | |
1842 | : ${cross_prefix_mips="mips-linux-gnu-"} | |
1843 | : ${cross_prefix_nios2="nios2-linux-gnu-"} | |
1844 | : ${cross_prefix_ppc="powerpc-linux-gnu-"} | |
1845 | : ${cross_prefix_ppc64="powerpc64-linux-gnu-"} | |
1846 | : ${cross_prefix_ppc64le="$cross_prefix_ppc64"} | |
1847 | : ${cross_prefix_riscv64="riscv64-linux-gnu-"} | |
1848 | : ${cross_prefix_s390x="s390x-linux-gnu-"} | |
1849 | : ${cross_prefix_sh4="sh4-linux-gnu-"} | |
1850 | : ${cross_prefix_sparc64="sparc64-linux-gnu-"} | |
1851 | : ${cross_prefix_sparc="$cross_prefix_sparc64"} | |
1852 | : ${cross_prefix_x86_64="x86_64-linux-gnu-"} | |
1853 | ||
1854 | : ${cross_cc_aarch64_be="$cross_cc_aarch64"} | |
1855 | : ${cross_cc_cflags_aarch64_be="-mbig-endian"} | |
1856 | : ${cross_cc_armeb="$cross_cc_arm"} | |
1857 | : ${cross_cc_cflags_armeb="-mbig-endian"} | |
1858 | : ${cross_cc_hexagon="hexagon-unknown-linux-musl-clang"} | |
1859 | : ${cross_cc_cflags_hexagon="-mv67 -O2 -static"} | |
1860 | : ${cross_cc_cflags_i386="-m32"} | |
1861 | : ${cross_cc_cflags_ppc="-m32"} | |
1862 | : ${cross_cc_cflags_ppc64="-m64 -mbig-endian"} | |
1863 | : ${cross_cc_ppc64le="$cross_cc_ppc64"} | |
1864 | : ${cross_cc_cflags_ppc64le="-m64 -mlittle-endian"} | |
1865 | : ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"} | |
1866 | : ${cross_cc_sparc="$cross_cc_sparc64"} | |
1867 | : ${cross_cc_cflags_sparc="-m32 -mcpu=supersparc"} | |
1868 | : ${cross_cc_cflags_x86_64="-m64"} | |
1869 | ||
1870 | compute_target_variable() { | |
1871 | if eval test -n "\"\${cross_prefix_$1}\""; then | |
1872 | if eval has "\"\${cross_prefix_$1}\$3\""; then | |
1873 | eval "$2=\"\${cross_prefix_$1}\$3\"" | |
1874 | fi | |
1875 | fi | |
1876 | } | |
1877 | ||
1878 | probe_target_compiler() { | |
1879 | # reset all output variables | |
1880 | container_image= | |
1881 | container_hosts= | |
1882 | container_cross_cc= | |
1883 | container_cross_ar= | |
1884 | container_cross_as= | |
1885 | container_cross_ld= | |
1886 | container_cross_nm= | |
1887 | container_cross_objcopy= | |
1888 | container_cross_ranlib= | |
1889 | container_cross_strip= | |
1890 | target_cc= | |
1891 | target_ar= | |
1892 | target_as= | |
1893 | target_ld= | |
1894 | target_nm= | |
1895 | target_objcopy= | |
1896 | target_ranlib= | |
1897 | target_strip= | |
1898 | ||
1899 | case $1 in | |
1900 | aarch64) container_hosts="x86_64 aarch64" ;; | |
1901 | alpha) container_hosts=x86_64 ;; | |
1902 | arm) container_hosts="x86_64 aarch64" ;; | |
1903 | cris) container_hosts=x86_64 ;; | |
1904 | hexagon) container_hosts=x86_64 ;; | |
1905 | hppa) container_hosts=x86_64 ;; | |
1906 | i386) container_hosts=x86_64 ;; | |
1907 | m68k) container_hosts=x86_64 ;; | |
1908 | microblaze) container_hosts=x86_64 ;; | |
1909 | mips64el) container_hosts=x86_64 ;; | |
1910 | mips64) container_hosts=x86_64 ;; | |
1911 | mipsel) container_hosts=x86_64 ;; | |
1912 | mips) container_hosts=x86_64 ;; | |
1913 | nios2) container_hosts=x86_64 ;; | |
1914 | ppc) container_hosts=x86_64 ;; | |
1915 | ppc64|ppc64le) container_hosts=x86_64 ;; | |
1916 | riscv64) container_hosts=x86_64 ;; | |
1917 | s390x) container_hosts=x86_64 ;; | |
1918 | sh4) container_hosts=x86_64 ;; | |
1919 | sparc64) container_hosts=x86_64 ;; | |
1920 | tricore) container_hosts=x86_64 ;; | |
1921 | x86_64) container_hosts="aarch64 ppc64el x86_64" ;; | |
1922 | xtensa*) container_hosts=x86_64 ;; | |
1923 | esac | |
1924 | ||
1925 | for host in $container_hosts; do | |
1926 | test "$container" != no || continue | |
1927 | test "$host" = "$cpu" || continue | |
1928 | case $1 in | |
1929 | aarch64) | |
1930 | # We don't have any bigendian build tools so we only use this for AArch64 | |
1931 | container_image=debian-arm64-cross | |
1932 | container_cross_prefix=aarch64-linux-gnu- | |
1933 | container_cross_cc=${container_cross_prefix}gcc-10 | |
1934 | ;; | |
1935 | alpha) | |
1936 | container_image=debian-alpha-cross | |
1937 | container_cross_prefix=alpha-linux-gnu- | |
1938 | ;; | |
1939 | arm) | |
1940 | # We don't have any bigendian build tools so we only use this for ARM | |
1941 | container_image=debian-armhf-cross | |
1942 | container_cross_prefix=arm-linux-gnueabihf- | |
1943 | ;; | |
1944 | cris) | |
1945 | container_image=fedora-cris-cross | |
1946 | container_cross_prefix=cris-linux-gnu- | |
1947 | ;; | |
1948 | hexagon) | |
1949 | container_image=debian-hexagon-cross | |
1950 | container_cross_prefix=hexagon-unknown-linux-musl- | |
1951 | container_cross_cc=${container_cross_prefix}clang | |
1952 | ;; | |
1953 | hppa) | |
1954 | container_image=debian-hppa-cross | |
1955 | container_cross_prefix=hppa-linux-gnu- | |
1956 | ;; | |
1957 | i386) | |
1958 | container_image=fedora-i386-cross | |
1959 | container_cross_prefix= | |
1960 | ;; | |
1961 | m68k) | |
1962 | container_image=debian-m68k-cross | |
1963 | container_cross_prefix=m68k-linux-gnu- | |
1964 | ;; | |
1965 | microblaze) | |
1966 | container_image=debian-microblaze-cross | |
1967 | container_cross_prefix=microblaze-linux-musl- | |
1968 | ;; | |
1969 | mips64el) | |
1970 | container_image=debian-mips64el-cross | |
1971 | container_cross_prefix=mips64el-linux-gnuabi64- | |
1972 | ;; | |
1973 | mips64) | |
1974 | container_image=debian-mips64-cross | |
1975 | container_cross_prefix=mips64-linux-gnuabi64- | |
1976 | ;; | |
1977 | mipsel) | |
1978 | container_image=debian-mipsel-cross | |
1979 | container_cross_prefix=mipsel-linux-gnu- | |
1980 | ;; | |
1981 | mips) | |
1982 | container_image=debian-mips-cross | |
1983 | container_cross_prefix=mips-linux-gnu- | |
1984 | ;; | |
1985 | nios2) | |
1986 | container_image=debian-nios2-cross | |
1987 | container_cross_prefix=nios2-linux-gnu- | |
1988 | ;; | |
1989 | ppc) | |
1990 | container_image=debian-powerpc-test-cross | |
1991 | container_cross_prefix=powerpc-linux-gnu- | |
1992 | container_cross_cc=${container_cross_prefix}gcc-10 | |
1993 | ;; | |
1994 | ppc64|ppc64le) | |
1995 | container_image=debian-powerpc-test-cross | |
1996 | container_cross_prefix=powerpc${1#ppc}-linux-gnu- | |
1997 | container_cross_cc=${container_cross_prefix}gcc-10 | |
1998 | ;; | |
1999 | riscv64) | |
2000 | container_image=debian-riscv64-test-cross | |
2001 | container_cross_prefix=riscv64-linux-gnu- | |
2002 | ;; | |
2003 | s390x) | |
2004 | container_image=debian-s390x-cross | |
2005 | container_cross_prefix=s390x-linux-gnu- | |
2006 | ;; | |
2007 | sh4) | |
2008 | container_image=debian-sh4-cross | |
2009 | container_cross_prefix=sh4-linux-gnu- | |
2010 | ;; | |
2011 | sparc64) | |
2012 | container_image=debian-sparc64-cross | |
2013 | container_cross_prefix=sparc64-linux-gnu- | |
2014 | ;; | |
2015 | tricore) | |
2016 | container_image=debian-tricore-cross | |
2017 | container_cross_prefix=tricore- | |
2018 | container_cross_as=tricore-as | |
2019 | container_cross_ld=tricore-ld | |
2020 | break | |
2021 | ;; | |
2022 | x86_64) | |
2023 | container_image=debian-amd64-cross | |
2024 | container_cross_prefix=x86_64-linux-gnu- | |
2025 | ;; | |
2026 | xtensa*) | |
2027 | # FIXME: xtensa-linux-user? | |
2028 | container_hosts=x86_64 | |
2029 | container_image=debian-xtensa-cross | |
2030 | ||
2031 | # default to the dc232b cpu | |
2032 | container_cross_prefix=/opt/2020.07/xtensa-dc232b-elf/bin/xtensa-dc232b-elf- | |
2033 | ;; | |
2034 | esac | |
2035 | : ${container_cross_cc:=${container_cross_prefix}gcc} | |
2036 | : ${container_cross_ar:=${container_cross_prefix}ar} | |
2037 | : ${container_cross_as:=${container_cross_prefix}as} | |
2038 | : ${container_cross_ld:=${container_cross_prefix}ld} | |
2039 | : ${container_cross_nm:=${container_cross_prefix}nm} | |
2040 | : ${container_cross_objcopy:=${container_cross_prefix}objcopy} | |
2041 | : ${container_cross_ranlib:=${container_cross_prefix}ranlib} | |
2042 | : ${container_cross_strip:=${container_cross_prefix}strip} | |
2043 | done | |
2044 | ||
2045 | eval "target_cflags=\${cross_cc_cflags_$1}" | |
2046 | if eval test -n "\"\${cross_cc_$1}\""; then | |
2047 | if eval has "\"\${cross_cc_$1}\""; then | |
2048 | eval "target_cc=\"\${cross_cc_$1}\"" | |
2049 | fi | |
2050 | else | |
2051 | compute_target_variable $1 target_cc gcc | |
2052 | fi | |
2053 | target_ccas=$target_cc | |
2054 | compute_target_variable $1 target_ar ar | |
2055 | compute_target_variable $1 target_as as | |
2056 | compute_target_variable $1 target_ld ld | |
2057 | compute_target_variable $1 target_nm nm | |
2058 | compute_target_variable $1 target_objcopy objcopy | |
2059 | compute_target_variable $1 target_ranlib ranlib | |
2060 | compute_target_variable $1 target_strip strip | |
2061 | if test "$1" = $cpu; then | |
2062 | : ${target_cc:=$cc} | |
2063 | : ${target_ccas:=$ccas} | |
2064 | : ${target_as:=$as} | |
2065 | : ${target_ld:=$ld} | |
2066 | : ${target_ar:=$ar} | |
2067 | : ${target_as:=$as} | |
2068 | : ${target_ld:=$ld} | |
2069 | : ${target_nm:=$nm} | |
2070 | : ${target_objcopy:=$objcopy} | |
2071 | : ${target_ranlib:=$ranlib} | |
2072 | : ${target_strip:=$strip} | |
2073 | fi | |
2074 | if test -n "$target_cc"; then | |
2075 | case $1 in | |
2076 | i386|x86_64) | |
2077 | if $target_cc --version | grep -qi "clang"; then | |
2078 | unset target_cc | |
2079 | fi | |
2080 | ;; | |
2081 | esac | |
2082 | fi | |
2083 | } | |
2084 | ||
2085 | probe_target_compilers() { | |
2086 | for i; do | |
2087 | probe_target_compiler $i | |
2088 | test -n "$target_cc" && return 0 | |
2089 | done | |
2090 | } | |
2091 | ||
2092 | write_target_makefile() { | |
2093 | if test -n "$target_cc"; then | |
2094 | echo "CC=$target_cc" | |
2095 | echo "CCAS=$target_ccas" | |
2096 | fi | |
2097 | if test -n "$target_ar"; then | |
2098 | echo "AR=$target_ar" | |
2099 | fi | |
2100 | if test -n "$target_as"; then | |
2101 | echo "AS=$target_as" | |
2102 | fi | |
2103 | if test -n "$target_ld"; then | |
2104 | echo "LD=$target_ld" | |
2105 | fi | |
2106 | if test -n "$target_nm"; then | |
2107 | echo "NM=$target_nm" | |
2108 | fi | |
2109 | if test -n "$target_objcopy"; then | |
2110 | echo "OBJCOPY=$target_objcopy" | |
2111 | fi | |
2112 | if test -n "$target_ranlib"; then | |
2113 | echo "RANLIB=$target_ranlib" | |
2114 | fi | |
2115 | if test -n "$target_strip"; then | |
2116 | echo "STRIP=$target_strip" | |
2117 | fi | |
2118 | } | |
2119 | ||
2120 | write_container_target_makefile() { | |
2121 | if test -n "$container_cross_cc"; then | |
2122 | echo "CC=\$(DOCKER_SCRIPT) cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --" | |
2123 | echo "CCAS=\$(DOCKER_SCRIPT) cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --" | |
2124 | fi | |
2125 | echo "AR=\$(DOCKER_SCRIPT) cc --cc $container_cross_ar -i qemu/$container_image -s $source_path --" | |
2126 | echo "AS=\$(DOCKER_SCRIPT) cc --cc $container_cross_as -i qemu/$container_image -s $source_path --" | |
2127 | echo "LD=\$(DOCKER_SCRIPT) cc --cc $container_cross_ld -i qemu/$container_image -s $source_path --" | |
2128 | echo "NM=\$(DOCKER_SCRIPT) cc --cc $container_cross_nm -i qemu/$container_image -s $source_path --" | |
2129 | echo "OBJCOPY=\$(DOCKER_SCRIPT) cc --cc $container_cross_objcopy -i qemu/$container_image -s $source_path --" | |
2130 | echo "RANLIB=\$(DOCKER_SCRIPT) cc --cc $container_cross_ranlib -i qemu/$container_image -s $source_path --" | |
2131 | echo "STRIP=\$(DOCKER_SCRIPT) cc --cc $container_cross_strip -i qemu/$container_image -s $source_path --" | |
2132 | } | |
2133 | ||
2134 | ||
2135 | ||
2136 | ########################################## | |
2137 | # End of CC checks | |
2138 | # After here, no more $cc or $ld runs | |
2139 | ||
2140 | write_c_skeleton | |
2141 | ||
2142 | if test "$fortify_source" = "yes" ; then | |
2143 | QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS" | |
2144 | fi | |
2145 | ||
2146 | case "$ARCH" in | |
2147 | alpha) | |
2148 | # Ensure there's only a single GP | |
2149 | QEMU_CFLAGS="-msmall-data $QEMU_CFLAGS" | |
2150 | ;; | |
2151 | esac | |
2152 | ||
2153 | if test "$have_asan" = "yes"; then | |
2154 | QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS" | |
2155 | QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS" | |
2156 | if test "$have_asan_iface_h" = "no" ; then | |
2157 | echo "ASAN build enabled, but ASAN header missing." \ | |
2158 | "Without code annotation, the report may be inferior." | |
2159 | elif test "$have_asan_iface_fiber" = "no" ; then | |
2160 | echo "ASAN build enabled, but ASAN header is too old." \ | |
2161 | "Without code annotation, the report may be inferior." | |
2162 | fi | |
2163 | fi | |
2164 | if test "$have_tsan" = "yes" ; then | |
2165 | if test "$have_tsan_iface_fiber" = "yes" ; then | |
2166 | QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS" | |
2167 | QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS" | |
2168 | else | |
2169 | error_exit "Cannot enable TSAN due to missing fiber annotation interface." | |
2170 | fi | |
2171 | elif test "$tsan" = "yes" ; then | |
2172 | error_exit "Cannot enable TSAN due to missing sanitize thread interface." | |
2173 | fi | |
2174 | if test "$have_ubsan" = "yes"; then | |
2175 | QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS" | |
2176 | QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS" | |
2177 | fi | |
2178 | ||
2179 | ########################################## | |
2180 | ||
2181 | # Exclude --warn-common with TSan to suppress warnings from the TSan libraries. | |
2182 | if test "$solaris" = "no" && test "$tsan" = "no"; then | |
2183 | if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then | |
2184 | QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS" | |
2185 | fi | |
2186 | fi | |
2187 | ||
2188 | # Guest agent Windows MSI package | |
2189 | ||
2190 | if test "$QEMU_GA_MANUFACTURER" = ""; then | |
2191 | QEMU_GA_MANUFACTURER=QEMU | |
2192 | fi | |
2193 | if test "$QEMU_GA_DISTRO" = ""; then | |
2194 | QEMU_GA_DISTRO=Linux | |
2195 | fi | |
2196 | if test "$QEMU_GA_VERSION" = ""; then | |
2197 | QEMU_GA_VERSION=$(cat $source_path/VERSION) | |
2198 | fi | |
2199 | ||
2200 | ||
2201 | ####################################### | |
2202 | # cross-compiled firmware targets | |
2203 | ||
2204 | # Set up build tree symlinks that point back into the source tree | |
2205 | # (these can be both files and directories). | |
2206 | # Caution: avoid adding files or directories here using wildcards. This | |
2207 | # will result in problems later if a new file matching the wildcard is | |
2208 | # added to the source tree -- nothing will cause configure to be rerun | |
2209 | # so the build tree will be missing the link back to the new file, and | |
2210 | # tests might fail. Prefer to keep the relevant files in their own | |
2211 | # directory and symlink the directory instead. | |
2212 | LINKS="Makefile" | |
2213 | LINKS="$LINKS tests/tcg/Makefile.target" | |
2214 | LINKS="$LINKS pc-bios/optionrom/Makefile" | |
2215 | LINKS="$LINKS pc-bios/s390-ccw/Makefile" | |
2216 | LINKS="$LINKS pc-bios/vof/Makefile" | |
2217 | LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit | |
2218 | LINKS="$LINKS tests/avocado tests/data" | |
2219 | LINKS="$LINKS tests/qemu-iotests/check" | |
2220 | LINKS="$LINKS python" | |
2221 | LINKS="$LINKS contrib/plugins/Makefile " | |
2222 | for f in $LINKS ; do | |
2223 | if [ -e "$source_path/$f" ]; then | |
2224 | mkdir -p `dirname ./$f` | |
2225 | symlink "$source_path/$f" "$f" | |
2226 | fi | |
2227 | done | |
2228 | ||
2229 | # Mac OS X ships with a broken assembler | |
2230 | roms= | |
2231 | probe_target_compilers i386 x86_64 | |
2232 | if test -n "$target_cc" && | |
2233 | test "$targetos" != "darwin" && test "$targetos" != "sunos" && \ | |
2234 | test "$targetos" != "haiku" && test "$softmmu" = yes ; then | |
2235 | # Different host OS linkers have different ideas about the name of the ELF | |
2236 | # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd | |
2237 | # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe. | |
2238 | for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do | |
2239 | if "$target_ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then | |
2240 | ld_i386_emulation="$emu" | |
2241 | break | |
2242 | fi | |
2243 | done | |
2244 | if test -n "$ld_i386_emulation"; then | |
2245 | roms="optionrom" | |
2246 | config_mak=pc-bios/optionrom/config.mak | |
2247 | echo "# Automatically generated by configure - do not modify" > $config_mak | |
2248 | echo "TOPSRC_DIR=$source_path" >> $config_mak | |
2249 | echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_mak | |
2250 | write_target_makefile >> $config_mak | |
2251 | fi | |
2252 | fi | |
2253 | ||
2254 | probe_target_compilers ppc ppc64 | |
2255 | if test -n "$target_cc" && test "$softmmu" = yes; then | |
2256 | roms="$roms vof" | |
2257 | config_mak=pc-bios/vof/config.mak | |
2258 | echo "# Automatically generated by configure - do not modify" > $config_mak | |
2259 | echo "SRC_DIR=$source_path/pc-bios/vof" >> $config_mak | |
2260 | write_target_makefile >> $config_mak | |
2261 | fi | |
2262 | ||
2263 | # Only build s390-ccw bios if the compiler has -march=z900 or -march=z10 | |
2264 | # (which is the lowest architecture level that Clang supports) | |
2265 | probe_target_compiler s390x | |
2266 | if test -n "$target_cc" && test "$softmmu" = yes; then | |
2267 | write_c_skeleton | |
2268 | do_compiler "$target_cc" $target_cc_cflags -march=z900 -o $TMPO -c $TMPC | |
2269 | has_z900=$? | |
2270 | if [ $has_z900 = 0 ] || do_compiler "$target_cc" $target_cc_cflags -march=z10 -msoft-float -Werror -o $TMPO -c $TMPC; then | |
2271 | if [ $has_z900 != 0 ]; then | |
2272 | echo "WARNING: Your compiler does not support the z900!" | |
2273 | echo " The s390-ccw bios will only work with guest CPUs >= z10." | |
2274 | fi | |
2275 | roms="$roms s390-ccw" | |
2276 | config_mak=pc-bios/s390-ccw/config-host.mak | |
2277 | echo "# Automatically generated by configure - do not modify" > $config_mak | |
2278 | echo "SRC_PATH=$source_path/pc-bios/s390-ccw" >> $config_mak | |
2279 | write_target_makefile >> $config_mak | |
2280 | # SLOF is required for building the s390-ccw firmware on s390x, | |
2281 | # since it is using the libnet code from SLOF for network booting. | |
2282 | git_submodules="${git_submodules} roms/SLOF" | |
2283 | fi | |
2284 | fi | |
2285 | ||
2286 | ####################################### | |
2287 | # generate config-host.mak | |
2288 | ||
2289 | # Check that the C++ compiler exists and works with the C compiler. | |
2290 | # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added. | |
2291 | if has $cxx; then | |
2292 | cat > $TMPC <<EOF | |
2293 | int c_function(void); | |
2294 | int main(void) { return c_function(); } | |
2295 | EOF | |
2296 | ||
2297 | compile_object | |
2298 | ||
2299 | cat > $TMPCXX <<EOF | |
2300 | extern "C" { | |
2301 | int c_function(void); | |
2302 | } | |
2303 | int c_function(void) { return 42; } | |
2304 | EOF | |
2305 | ||
2306 | update_cxxflags | |
2307 | ||
2308 | if do_cxx $CXXFLAGS $EXTRA_CXXFLAGS $CONFIGURE_CXXFLAGS $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then | |
2309 | # C++ compiler $cxx works ok with C compiler $cc | |
2310 | : | |
2311 | else | |
2312 | echo "C++ compiler $cxx does not work with C compiler $cc" | |
2313 | echo "Disabling C++ specific optional code" | |
2314 | cxx= | |
2315 | fi | |
2316 | else | |
2317 | echo "No C++ compiler available; disabling C++ specific optional code" | |
2318 | cxx= | |
2319 | fi | |
2320 | ||
2321 | if !(GIT="$git" "$source_path/scripts/git-submodule.sh" "$git_submodules_action" "$git_submodules"); then | |
2322 | exit 1 | |
2323 | fi | |
2324 | ||
2325 | config_host_mak="config-host.mak" | |
2326 | ||
2327 | echo "# Automatically generated by configure - do not modify" > $config_host_mak | |
2328 | echo >> $config_host_mak | |
2329 | ||
2330 | echo all: >> $config_host_mak | |
2331 | echo "GIT=$git" >> $config_host_mak | |
2332 | echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak | |
2333 | echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_host_mak | |
2334 | ||
2335 | if test "$debug_tcg" = "yes" ; then | |
2336 | echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak | |
2337 | fi | |
2338 | if test "$mingw32" = "yes" ; then | |
2339 | echo "CONFIG_WIN32=y" >> $config_host_mak | |
2340 | echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak | |
2341 | echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak | |
2342 | echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak | |
2343 | else | |
2344 | echo "CONFIG_POSIX=y" >> $config_host_mak | |
2345 | fi | |
2346 | ||
2347 | if test "$linux" = "yes" ; then | |
2348 | echo "CONFIG_LINUX=y" >> $config_host_mak | |
2349 | fi | |
2350 | ||
2351 | if test "$darwin" = "yes" ; then | |
2352 | echo "CONFIG_DARWIN=y" >> $config_host_mak | |
2353 | fi | |
2354 | ||
2355 | if test "$solaris" = "yes" ; then | |
2356 | echo "CONFIG_SOLARIS=y" >> $config_host_mak | |
2357 | fi | |
2358 | if test "$static" = "yes" ; then | |
2359 | echo "CONFIG_STATIC=y" >> $config_host_mak | |
2360 | fi | |
2361 | echo "SRC_PATH=$source_path" >> $config_host_mak | |
2362 | echo "TARGET_DIRS=$target_list" >> $config_host_mak | |
2363 | if test "$modules" = "yes"; then | |
2364 | echo "CONFIG_MODULES=y" >> $config_host_mak | |
2365 | fi | |
2366 | ||
2367 | # XXX: suppress that | |
2368 | if [ "$bsd" = "yes" ] ; then | |
2369 | echo "CONFIG_BSD=y" >> $config_host_mak | |
2370 | fi | |
2371 | ||
2372 | echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak | |
2373 | ||
2374 | if test "$have_asan_iface_fiber" = "yes" ; then | |
2375 | echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak | |
2376 | fi | |
2377 | ||
2378 | if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then | |
2379 | echo "CONFIG_TSAN=y" >> $config_host_mak | |
2380 | fi | |
2381 | ||
2382 | if test "$plugins" = "yes" ; then | |
2383 | echo "CONFIG_PLUGIN=y" >> $config_host_mak | |
2384 | fi | |
2385 | ||
2386 | if test -n "$gdb_bin"; then | |
2387 | gdb_version=$($gdb_bin --version | head -n 1) | |
2388 | if version_ge ${gdb_version##* } 9.1; then | |
2389 | echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak | |
2390 | fi | |
2391 | fi | |
2392 | ||
2393 | echo "ROMS=$roms" >> $config_host_mak | |
2394 | echo "MAKE=$make" >> $config_host_mak | |
2395 | echo "PYTHON=$python" >> $config_host_mak | |
2396 | echo "GENISOIMAGE=$genisoimage" >> $config_host_mak | |
2397 | echo "MESON=$meson" >> $config_host_mak | |
2398 | echo "NINJA=$ninja" >> $config_host_mak | |
2399 | echo "CC=$cc" >> $config_host_mak | |
2400 | echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak | |
2401 | echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak | |
2402 | echo "QEMU_OBJCFLAGS=$QEMU_OBJCFLAGS" >> $config_host_mak | |
2403 | echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak | |
2404 | echo "GLIB_LIBS=$glib_libs" >> $config_host_mak | |
2405 | echo "GLIB_BINDIR=$glib_bindir" >> $config_host_mak | |
2406 | echo "GLIB_VERSION=$(pkg-config --modversion glib-2.0)" >> $config_host_mak | |
2407 | echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak | |
2408 | echo "EXESUF=$EXESUF" >> $config_host_mak | |
2409 | ||
2410 | # use included Linux headers | |
2411 | if test "$linux" = "yes" ; then | |
2412 | mkdir -p linux-headers | |
2413 | case "$cpu" in | |
2414 | i386|x86_64) | |
2415 | linux_arch=x86 | |
2416 | ;; | |
2417 | ppc|ppc64) | |
2418 | linux_arch=powerpc | |
2419 | ;; | |
2420 | s390x) | |
2421 | linux_arch=s390 | |
2422 | ;; | |
2423 | aarch64) | |
2424 | linux_arch=arm64 | |
2425 | ;; | |
2426 | loongarch*) | |
2427 | linux_arch=loongarch | |
2428 | ;; | |
2429 | mips64) | |
2430 | linux_arch=mips | |
2431 | ;; | |
2432 | *) | |
2433 | # For most CPUs the kernel architecture name and QEMU CPU name match. | |
2434 | linux_arch="$cpu" | |
2435 | ;; | |
2436 | esac | |
2437 | # For non-KVM architectures we will not have asm headers | |
2438 | if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then | |
2439 | symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm | |
2440 | fi | |
2441 | fi | |
2442 | ||
2443 | for target in $target_list; do | |
2444 | target_dir="$target" | |
2445 | target_name=$(echo $target | cut -d '-' -f 1)$EXESUF | |
2446 | mkdir -p $target_dir | |
2447 | case $target in | |
2448 | *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;; | |
2449 | *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;; | |
2450 | esac | |
2451 | done | |
2452 | ||
2453 | if test "$default_targets" = "yes"; then | |
2454 | echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak | |
2455 | fi | |
2456 | ||
2457 | if test "$ccache_cpp2" = "yes"; then | |
2458 | echo "export CCACHE_CPP2=y" >> $config_host_mak | |
2459 | fi | |
2460 | ||
2461 | if test "$safe_stack" = "yes"; then | |
2462 | echo "CONFIG_SAFESTACK=y" >> $config_host_mak | |
2463 | fi | |
2464 | ||
2465 | # tests/tcg configuration | |
2466 | (makefile=tests/tcg/Makefile.prereqs | |
2467 | echo "# Automatically generated by configure - do not modify" > $makefile | |
2468 | ||
2469 | config_host_mak=tests/tcg/config-host.mak | |
2470 | echo "# Automatically generated by configure - do not modify" > $config_host_mak | |
2471 | echo "SRC_PATH=$source_path" >> $config_host_mak | |
2472 | echo "HOST_CC=$host_cc" >> $config_host_mak | |
2473 | ||
2474 | tcg_tests_targets= | |
2475 | for target in $target_list; do | |
2476 | arch=${target%%-*} | |
2477 | ||
2478 | probe_target_compiler ${arch} | |
2479 | config_target_mak=tests/tcg/config-$target.mak | |
2480 | ||
2481 | echo "# Automatically generated by configure - do not modify" > $config_target_mak | |
2482 | echo "TARGET_NAME=$arch" >> $config_target_mak | |
2483 | case $target in | |
2484 | *-softmmu) | |
2485 | test -f $source_path/tests/tcg/$arch/Makefile.softmmu-target || continue | |
2486 | qemu="qemu-system-$arch" | |
2487 | ;; | |
2488 | *-linux-user|*-bsd-user) | |
2489 | qemu="qemu-$arch" | |
2490 | ;; | |
2491 | esac | |
2492 | ||
2493 | got_cross_cc=no | |
2494 | unset build_static | |
2495 | ||
2496 | if test -n "$target_cc"; then | |
2497 | write_c_skeleton | |
2498 | if ! do_compiler "$target_cc" $target_cflags \ | |
2499 | -o $TMPE $TMPC -static ; then | |
2500 | # For host systems we might get away with building without -static | |
2501 | if do_compiler "$target_cc" $target_cflags \ | |
2502 | -o $TMPE $TMPC ; then | |
2503 | got_cross_cc=yes | |
2504 | fi | |
2505 | else | |
2506 | got_cross_cc=yes | |
2507 | build_static=y | |
2508 | fi | |
2509 | elif test -n "$target_as" && test -n "$target_ld"; then | |
2510 | # Special handling for assembler only tests | |
2511 | case $target in | |
2512 | tricore-softmmu) got_cross_cc=yes ;; | |
2513 | esac | |
2514 | fi | |
2515 | ||
2516 | if test $got_cross_cc = yes; then | |
2517 | # Test for compiler features for optional tests. We only do this | |
2518 | # for cross compilers because ensuring the docker containers based | |
2519 | # compilers is a requirememt for adding a new test that needs a | |
2520 | # compiler feature. | |
2521 | ||
2522 | echo "BUILD_STATIC=$build_static" >> $config_target_mak | |
2523 | write_target_makefile >> $config_target_mak | |
2524 | case $target in | |
2525 | aarch64-*) | |
2526 | if do_compiler "$target_cc" $target_cflags \ | |
2527 | -march=armv8.1-a+sve -o $TMPE $TMPC; then | |
2528 | echo "CROSS_CC_HAS_SVE=y" >> $config_target_mak | |
2529 | fi | |
2530 | if do_compiler "$target_cc" $target_cflags \ | |
2531 | -march=armv8.1-a+sve2 -o $TMPE $TMPC; then | |
2532 | echo "CROSS_CC_HAS_SVE2=y" >> $config_target_mak | |
2533 | fi | |
2534 | if do_compiler "$target_cc" $target_cflags \ | |
2535 | -march=armv8.3-a -o $TMPE $TMPC; then | |
2536 | echo "CROSS_CC_HAS_ARMV8_3=y" >> $config_target_mak | |
2537 | fi | |
2538 | if do_compiler "$target_cc" $target_cflags \ | |
2539 | -mbranch-protection=standard -o $TMPE $TMPC; then | |
2540 | echo "CROSS_CC_HAS_ARMV8_BTI=y" >> $config_target_mak | |
2541 | fi | |
2542 | if do_compiler "$target_cc" $target_cflags \ | |
2543 | -march=armv8.5-a+memtag -o $TMPE $TMPC; then | |
2544 | echo "CROSS_CC_HAS_ARMV8_MTE=y" >> $config_target_mak | |
2545 | fi | |
2546 | ;; | |
2547 | ppc*) | |
2548 | if do_compiler "$target_cc" $target_cflags \ | |
2549 | -mpower8-vector -o $TMPE $TMPC; then | |
2550 | echo "CROSS_CC_HAS_POWER8_VECTOR=y" >> $config_target_mak | |
2551 | fi | |
2552 | if do_compiler "$target_cc" $target_cflags \ | |
2553 | -mpower10 -o $TMPE $TMPC; then | |
2554 | echo "CROSS_CC_HAS_POWER10=y" >> $config_target_mak | |
2555 | fi | |
2556 | ;; | |
2557 | i386-linux-user) | |
2558 | if do_compiler "$target_cc" $target_cflags \ | |
2559 | -Werror -fno-pie -o $TMPE $TMPC; then | |
2560 | echo "CROSS_CC_HAS_I386_NOPIE=y" >> $config_target_mak | |
2561 | fi | |
2562 | ;; | |
2563 | esac | |
2564 | elif test -n "$container_image"; then | |
2565 | echo "build-tcg-tests-$target: docker-image-$container_image" >> $makefile | |
2566 | echo "BUILD_STATIC=y" >> $config_target_mak | |
2567 | write_container_target_makefile >> $config_target_mak | |
2568 | case $target in | |
2569 | aarch64-*) | |
2570 | echo "CROSS_CC_HAS_SVE=y" >> $config_target_mak | |
2571 | echo "CROSS_CC_HAS_SVE2=y" >> $config_target_mak | |
2572 | echo "CROSS_CC_HAS_ARMV8_3=y" >> $config_target_mak | |
2573 | echo "CROSS_CC_HAS_ARMV8_BTI=y" >> $config_target_mak | |
2574 | echo "CROSS_CC_HAS_ARMV8_MTE=y" >> $config_target_mak | |
2575 | ;; | |
2576 | ppc*) | |
2577 | echo "CROSS_CC_HAS_POWER8_VECTOR=y" >> $config_target_mak | |
2578 | echo "CROSS_CC_HAS_POWER10=y" >> $config_target_mak | |
2579 | ;; | |
2580 | i386-linux-user) | |
2581 | echo "CROSS_CC_HAS_I386_NOPIE=y" >> $config_target_mak | |
2582 | ;; | |
2583 | esac | |
2584 | got_cross_cc=yes | |
2585 | fi | |
2586 | if test $got_cross_cc = yes; then | |
2587 | mkdir -p tests/tcg/$target | |
2588 | echo "QEMU=$PWD/$qemu" >> $config_target_mak | |
2589 | echo "EXTRA_CFLAGS=$target_cflags" >> $config_target_mak | |
2590 | echo "run-tcg-tests-$target: $qemu\$(EXESUF)" >> $makefile | |
2591 | tcg_tests_targets="$tcg_tests_targets $target" | |
2592 | fi | |
2593 | done | |
2594 | echo "TCG_TESTS_TARGETS=$tcg_tests_targets" >> $makefile) | |
2595 | ||
2596 | if test "$skip_meson" = no; then | |
2597 | cross="config-meson.cross.new" | |
2598 | meson_quote() { | |
2599 | test $# = 0 && return | |
2600 | echo "'$(echo $* | sed "s/ /','/g")'" | |
2601 | } | |
2602 | ||
2603 | echo "# Automatically generated by configure - do not modify" > $cross | |
2604 | echo "[properties]" >> $cross | |
2605 | ||
2606 | # unroll any custom device configs | |
2607 | for a in $device_archs; do | |
2608 | eval "c=\$devices_${a}" | |
2609 | echo "${a}-softmmu = '$c'" >> $cross | |
2610 | done | |
2611 | ||
2612 | test -z "$cxx" && echo "link_language = 'c'" >> $cross | |
2613 | echo "[built-in options]" >> $cross | |
2614 | echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross | |
2615 | echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross | |
2616 | test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross | |
2617 | echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross | |
2618 | echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross | |
2619 | echo "[binaries]" >> $cross | |
2620 | echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross | |
2621 | test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross | |
2622 | test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross | |
2623 | echo "ar = [$(meson_quote $ar)]" >> $cross | |
2624 | echo "nm = [$(meson_quote $nm)]" >> $cross | |
2625 | echo "pkgconfig = [$(meson_quote $pkg_config_exe)]" >> $cross | |
2626 | echo "ranlib = [$(meson_quote $ranlib)]" >> $cross | |
2627 | if has $sdl2_config; then | |
2628 | echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross | |
2629 | fi | |
2630 | echo "strip = [$(meson_quote $strip)]" >> $cross | |
2631 | echo "widl = [$(meson_quote $widl)]" >> $cross | |
2632 | echo "windres = [$(meson_quote $windres)]" >> $cross | |
2633 | if test "$cross_compile" = "yes"; then | |
2634 | cross_arg="--cross-file config-meson.cross" | |
2635 | echo "[host_machine]" >> $cross | |
2636 | echo "system = '$targetos'" >> $cross | |
2637 | case "$cpu" in | |
2638 | i386) | |
2639 | echo "cpu_family = 'x86'" >> $cross | |
2640 | ;; | |
2641 | *) | |
2642 | echo "cpu_family = '$cpu'" >> $cross | |
2643 | ;; | |
2644 | esac | |
2645 | echo "cpu = '$cpu'" >> $cross | |
2646 | if test "$bigendian" = "yes" ; then | |
2647 | echo "endian = 'big'" >> $cross | |
2648 | else | |
2649 | echo "endian = 'little'" >> $cross | |
2650 | fi | |
2651 | else | |
2652 | cross_arg="--native-file config-meson.cross" | |
2653 | fi | |
2654 | mv $cross config-meson.cross | |
2655 | ||
2656 | rm -rf meson-private meson-info meson-logs | |
2657 | ||
2658 | # Built-in options | |
2659 | test "$bindir" != "bin" && meson_option_add "-Dbindir=$bindir" | |
2660 | test "$default_feature" = no && meson_option_add -Dauto_features=disabled | |
2661 | test "$pie" = no && meson_option_add -Db_pie=false | |
2662 | test "$werror" = yes && meson_option_add -Dwerror=true | |
2663 | ||
2664 | # QEMU options | |
2665 | test "$cfi" != false && meson_option_add "-Dcfi=$cfi" | |
2666 | test "$fdt" != auto && meson_option_add "-Dfdt=$fdt" | |
2667 | test -n "${LIB_FUZZING_ENGINE+xxx}" && meson_option_add "-Dfuzzing_engine=$LIB_FUZZING_ENGINE" | |
2668 | test "$qemu_suffix" != qemu && meson_option_add "-Dqemu_suffix=$qemu_suffix" | |
2669 | test "$slirp" != auto && meson_option_add "-Dslirp=$slirp" | |
2670 | test "$smbd" != '' && meson_option_add "-Dsmbd=$smbd" | |
2671 | test "$tcg" != enabled && meson_option_add "-Dtcg=$tcg" | |
2672 | run_meson() { | |
2673 | NINJA=$ninja $meson setup --prefix "$prefix" "$@" $cross_arg "$PWD" "$source_path" | |
2674 | } | |
2675 | eval run_meson $meson_options | |
2676 | if test "$?" -ne 0 ; then | |
2677 | error_exit "meson setup failed" | |
2678 | fi | |
2679 | else | |
2680 | if test -f meson-private/cmd_line.txt; then | |
2681 | # Adjust old command line options whose type was changed | |
2682 | # Avoids having to use "setup --wipe" when Meson is upgraded | |
2683 | perl -i -ne ' | |
2684 | s/^gettext = true$/gettext = auto/; | |
2685 | s/^gettext = false$/gettext = disabled/; | |
2686 | /^b_staticpic/ && next; | |
2687 | print;' meson-private/cmd_line.txt | |
2688 | fi | |
2689 | fi | |
2690 | ||
2691 | # Save the configure command line for later reuse. | |
2692 | cat <<EOD >config.status | |
2693 | #!/bin/sh | |
2694 | # Generated by configure. | |
2695 | # Run this file to recreate the current configuration. | |
2696 | # Compiler output produced by configure, useful for debugging | |
2697 | # configure, is in config.log if it exists. | |
2698 | EOD | |
2699 | ||
2700 | preserve_env() { | |
2701 | envname=$1 | |
2702 | ||
2703 | eval envval=\$$envname | |
2704 | ||
2705 | if test -n "$envval" | |
2706 | then | |
2707 | echo "$envname='$envval'" >> config.status | |
2708 | echo "export $envname" >> config.status | |
2709 | else | |
2710 | echo "unset $envname" >> config.status | |
2711 | fi | |
2712 | } | |
2713 | ||
2714 | # Preserve various env variables that influence what | |
2715 | # features/build target configure will detect | |
2716 | preserve_env AR | |
2717 | preserve_env AS | |
2718 | preserve_env CC | |
2719 | preserve_env CFLAGS | |
2720 | preserve_env CXX | |
2721 | preserve_env CXXFLAGS | |
2722 | preserve_env INSTALL | |
2723 | preserve_env LD | |
2724 | preserve_env LDFLAGS | |
2725 | preserve_env LD_LIBRARY_PATH | |
2726 | preserve_env LIBTOOL | |
2727 | preserve_env MAKE | |
2728 | preserve_env NM | |
2729 | preserve_env OBJCOPY | |
2730 | preserve_env PATH | |
2731 | preserve_env PKG_CONFIG | |
2732 | preserve_env PKG_CONFIG_LIBDIR | |
2733 | preserve_env PKG_CONFIG_PATH | |
2734 | preserve_env PYTHON | |
2735 | preserve_env SDL2_CONFIG | |
2736 | preserve_env SMBD | |
2737 | preserve_env STRIP | |
2738 | preserve_env WIDL | |
2739 | preserve_env WINDRES | |
2740 | ||
2741 | printf "exec" >>config.status | |
2742 | for i in "$0" "$@"; do | |
2743 | test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status | |
2744 | done | |
2745 | echo ' "$@"' >>config.status | |
2746 | chmod +x config.status | |
2747 | ||
2748 | rm -r "$TMPDIR1" |