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1 | # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, | |
2 | # 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, | |
3 | # 2014, 2015, 2016, 2019, 2020 Free Software Foundation, Inc. | |
4 | # | |
5 | # This file is free software; you can redistribute it and/or modify it | |
6 | # under the terms of the GNU General Public License as published by | |
7 | # the Free Software Foundation; either version 3 of the License, or | |
8 | # (at your option) any later version. | |
9 | # | |
10 | # This program is distributed in the hope that it will be useful, but | |
11 | # WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | # General Public License for more details. | |
14 | # | |
15 | # You should have received a copy of the GNU General Public License | |
16 | # along with this program; see the file COPYING3. If not see | |
17 | # <http://www.gnu.org/licenses/>. | |
18 | ||
19 | ############################################################################## | |
20 | ### WARNING: this file contains embedded tabs. Do not run untabify on this file. | |
21 | ||
22 | m4_include(config/acx.m4) | |
23 | m4_include(config/override.m4) | |
24 | m4_include(config/proginstall.m4) | |
25 | m4_include(config/elf.m4) | |
26 | m4_include(config/debuginfod.m4) | |
27 | m4_include([libtool.m4]) | |
28 | m4_include([ltoptions.m4]) | |
29 | m4_include([ltsugar.m4]) | |
30 | m4_include([ltversion.m4]) | |
31 | m4_include([lt~obsolete.m4]) | |
32 | m4_include([config/isl.m4]) | |
33 | ||
34 | AC_INIT(move-if-change) | |
35 | AC_DISABLE_OPTION_CHECKING | |
36 | ||
37 | progname=$0 | |
38 | # if PWD already has a value, it is probably wrong. | |
39 | if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi | |
40 | ||
41 | # Export original configure arguments for use by sub-configures. | |
42 | # Quote arguments with shell meta charatcers. | |
43 | TOPLEVEL_CONFIGURE_ARGUMENTS= | |
44 | set -- "$progname" "$@" | |
45 | for ac_arg | |
46 | do | |
47 | case "$ac_arg" in | |
48 | *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*) | |
49 | ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` | |
50 | # if the argument is of the form -foo=baz, quote the baz part only | |
51 | ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;; | |
52 | *) ;; | |
53 | esac | |
54 | # Add the quoted argument to the list. | |
55 | TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg" | |
56 | done | |
57 | if test "$silent" = yes; then | |
58 | TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent" | |
59 | fi | |
60 | # Remove the initial space we just introduced and, as these will be | |
61 | # expanded by make, quote '$'. | |
62 | TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'` | |
63 | AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS) | |
64 | ||
65 | # Find the build, host, and target systems. | |
66 | ACX_NONCANONICAL_BUILD | |
67 | ACX_NONCANONICAL_HOST | |
68 | ACX_NONCANONICAL_TARGET | |
69 | ||
70 | dnl Autoconf 2.5x and later will set a default program prefix if | |
71 | dnl --target was used, even if it was the same as --host. Disable | |
72 | dnl that behavior. This must be done before AC_CANONICAL_SYSTEM | |
73 | dnl to take effect. | |
74 | test "$host_noncanonical" = "$target_noncanonical" && | |
75 | test "$program_prefix$program_suffix$program_transform_name" = \ | |
76 | NONENONEs,x,x, && | |
77 | program_transform_name=s,y,y, | |
78 | ||
79 | AC_CANONICAL_SYSTEM | |
80 | AC_ARG_PROGRAM | |
81 | ||
82 | m4_pattern_allow([^AS_FOR_TARGET$])dnl | |
83 | m4_pattern_allow([^AS_FOR_BUILD$])dnl | |
84 | ||
85 | # Get 'install' or 'install-sh' and its variants. | |
86 | AC_PROG_INSTALL | |
87 | ACX_PROG_LN | |
88 | AC_PROG_LN_S | |
89 | AC_PROG_SED | |
90 | AC_PROG_AWK | |
91 | ||
92 | srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}` | |
93 | ||
94 | # We pass INSTALL explicitly to sub-makes. Make sure that it is not | |
95 | # a relative path. | |
96 | if test "$INSTALL" = "${srcdir}/install-sh -c"; then | |
97 | INSTALL="${srcpwd}/install-sh -c" | |
98 | fi | |
99 | ||
100 | # Set srcdir to "." if that's what it is. | |
101 | # This is important for multilib support. | |
102 | pwd=`${PWDCMD-pwd}` | |
103 | if test "${pwd}" = "${srcpwd}" ; then | |
104 | srcdir=. | |
105 | fi | |
106 | ||
107 | topsrcdir=$srcpwd | |
108 | ||
109 | extra_host_args= | |
110 | ||
111 | ### To add a new directory to the tree, first choose whether it is a target | |
112 | ### or a host dependent tool. Then put it into the appropriate list | |
113 | ### (library or tools, host or target), doing a dependency sort. | |
114 | ||
115 | # Subdirs will be configured in the order listed in build_configdirs, | |
116 | # configdirs, or target_configdirs; see the serialization section below. | |
117 | ||
118 | # Dependency sorting is only needed when *configuration* must be done in | |
119 | # a particular order. In all cases a dependency should be specified in | |
120 | # the Makefile, whether or not it's implicitly specified here. | |
121 | ||
122 | # Double entries in build_configdirs, configdirs, or target_configdirs may | |
123 | # cause circular dependencies and break everything horribly. | |
124 | ||
125 | # these library is used by various programs built for the build | |
126 | # environment | |
127 | # | |
128 | build_libs="build-libiberty build-libcpp" | |
129 | ||
130 | # these tools are built for the build environment | |
131 | build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes" | |
132 | ||
133 | # these libraries are used by various programs built for the host environment | |
134 | #f | |
135 | host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl libelf libiconv libctf" | |
136 | ||
137 | # these tools are built for the host environment | |
138 | # Note, the powerpc-eabi build depends on sim occurring before gdb in order to | |
139 | # know that we are building the simulator. | |
140 | # binutils, gas and ld appear in that order because it makes sense to run | |
141 | # "make check" in that particular order. | |
142 | # If --enable-gold is used, "gold" may replace "ld". | |
143 | host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gdbserver gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gotools" | |
144 | ||
145 | # these libraries are built for the target environment, and are built after | |
146 | # the host libraries and the host tools (which may be a cross compiler) | |
147 | # Note that libiberty is not a target library. | |
148 | target_libraries="target-libgcc \ | |
149 | target-libbacktrace \ | |
150 | target-libgloss \ | |
151 | target-newlib \ | |
152 | target-libgomp \ | |
153 | target-liboffloadmic \ | |
154 | target-libhsail-rt \ | |
155 | target-libatomic \ | |
156 | target-libitm \ | |
157 | target-libstdc++-v3 \ | |
158 | target-libsanitizer \ | |
159 | target-libvtv \ | |
160 | target-libssp \ | |
161 | target-libquadmath \ | |
162 | target-libgfortran \ | |
163 | target-libffi \ | |
164 | target-libobjc \ | |
165 | target-libada \ | |
166 | target-libgo" | |
167 | ||
168 | # these tools are built using the target libraries, and are intended to | |
169 | # run only in the target environment | |
170 | # | |
171 | # note: any program that *uses* libraries that are in the "target_libraries" | |
172 | # list belongs in this list. | |
173 | # | |
174 | target_tools="target-rda" | |
175 | ||
176 | ################################################################################ | |
177 | ||
178 | ## All tools belong in one of the four categories, and are assigned above | |
179 | ## We assign ${configdirs} this way to remove all embedded newlines. This | |
180 | ## is important because configure will choke if they ever get through. | |
181 | ## ${configdirs} is directories we build using the host tools. | |
182 | ## ${target_configdirs} is directories we build using the target tools. | |
183 | configdirs=`echo ${host_libs} ${host_tools}` | |
184 | target_configdirs=`echo ${target_libraries} ${target_tools}` | |
185 | build_configdirs=`echo ${build_libs} ${build_tools}` | |
186 | ||
187 | m4_divert_text([PARSE_ARGS], | |
188 | [case $srcdir in | |
189 | *" "*) | |
190 | m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl | |
191 | AC_MSG_ERROR([path to source, $srcdir, contains spaces]) | |
192 | m4_popdef([AS_MESSAGE_LOG_FD])dnl | |
193 | ;; | |
194 | esac | |
195 | ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'` | |
196 | ]) | |
197 | ||
198 | ################################################################################ | |
199 | ||
200 | srcname="gnu development package" | |
201 | ||
202 | # This gets set non-empty for some net releases of packages. | |
203 | appdirs="" | |
204 | ||
205 | # Define is_cross_compiler to save on calls to 'test'. | |
206 | is_cross_compiler= | |
207 | if test x"${host}" = x"${target}" ; then | |
208 | is_cross_compiler=no | |
209 | else | |
210 | is_cross_compiler=yes | |
211 | fi | |
212 | ||
213 | # Find the build and target subdir names. | |
214 | GCC_TOPLEV_SUBDIRS | |
215 | # Be sure to cover against remnants of an in-tree build. | |
216 | if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then | |
217 | AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}. | |
218 | Use a pristine source tree when building in a separate tree]) | |
219 | fi | |
220 | ||
221 | # Skipdirs are removed silently. | |
222 | skipdirs= | |
223 | # Noconfigdirs are removed loudly. | |
224 | noconfigdirs="" | |
225 | ||
226 | use_gnu_ld= | |
227 | # Make sure we don't let GNU ld be added if we didn't want it. | |
228 | if test x$with_gnu_ld = xno ; then | |
229 | use_gnu_ld=no | |
230 | noconfigdirs="$noconfigdirs ld gold" | |
231 | fi | |
232 | ||
233 | use_gnu_as= | |
234 | # Make sure we don't let GNU as be added if we didn't want it. | |
235 | if test x$with_gnu_as = xno ; then | |
236 | use_gnu_as=no | |
237 | noconfigdirs="$noconfigdirs gas" | |
238 | fi | |
239 | ||
240 | use_included_zlib= | |
241 | AC_ARG_WITH(system-zlib, | |
242 | [AS_HELP_STRING([--with-system-zlib], [use installed libz])]) | |
243 | # Make sure we don't let ZLIB be added if we didn't want it. | |
244 | if test x$with_system_zlib = xyes ; then | |
245 | use_included_zlib=no | |
246 | noconfigdirs="$noconfigdirs zlib" | |
247 | fi | |
248 | ||
249 | # Don't compile the bundled readline/libreadline.a if --with-system-readline | |
250 | # is provided. | |
251 | if test x$with_system_readline = xyes ; then | |
252 | noconfigdirs="$noconfigdirs readline" | |
253 | fi | |
254 | ||
255 | # some tools are so dependent upon X11 that if we're not building with X, | |
256 | # it's not even worth trying to configure, much less build, that tool. | |
257 | ||
258 | case ${with_x} in | |
259 | yes | "") ;; # the default value for this tree is that X11 is available | |
260 | no) | |
261 | skipdirs="${skipdirs} tk itcl libgui" | |
262 | # We won't be able to build gdbtk without X. | |
263 | enable_gdbtk=no | |
264 | ;; | |
265 | *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;; | |
266 | esac | |
267 | ||
268 | # Some are only suitable for cross toolchains. | |
269 | # Remove these if host=target. | |
270 | cross_only="target-libgloss target-newlib target-opcodes" | |
271 | ||
272 | case $is_cross_compiler in | |
273 | no) skipdirs="${skipdirs} ${cross_only}" ;; | |
274 | esac | |
275 | ||
276 | # If both --with-headers and --with-libs are specified, default to | |
277 | # --without-newlib. | |
278 | if test x"${with_headers}" != x && test x"${with_headers}" != xno \ | |
279 | && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then | |
280 | if test x"${with_newlib}" = x ; then | |
281 | with_newlib=no | |
282 | fi | |
283 | fi | |
284 | ||
285 | # Recognize --with-newlib/--without-newlib. | |
286 | case ${with_newlib} in | |
287 | no) skipdirs="${skipdirs} target-newlib" ;; | |
288 | yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;; | |
289 | esac | |
290 | ||
291 | AC_ARG_ENABLE(as-accelerator-for, | |
292 | [AS_HELP_STRING([--enable-as-accelerator-for=ARG], | |
293 | [build as offload target compiler. | |
294 | Specify offload host triple by ARG])]) | |
295 | ||
296 | AC_ARG_ENABLE(offload-targets, | |
297 | [AS_HELP_STRING([--enable-offload-targets=LIST], | |
298 | [enable offloading to devices from comma-separated LIST of | |
299 | TARGET[=DIR]. Use optional path to find offload target compiler | |
300 | during the build])], | |
301 | [ | |
302 | if test x"$enable_offload_targets" = x; then | |
303 | AC_MSG_ERROR([no offload targets specified]) | |
304 | fi | |
305 | ], [enable_offload_targets=]) | |
306 | ||
307 | # Handle --enable-gold, --enable-ld. | |
308 | # --disable-gold [--enable-ld] | |
309 | # Build only ld. Default option. | |
310 | # --enable-gold [--enable-ld] | |
311 | # Build both gold and ld. Install gold as "ld.gold", install ld | |
312 | # as "ld.bfd" and "ld". | |
313 | # --enable-gold=default [--enable-ld] | |
314 | # Build both gold and ld. Install gold as "ld.gold" and "ld", | |
315 | # install ld as "ld.bfd". | |
316 | # --enable-gold[=default] --disable-ld | |
317 | # Build only gold, which is then installed as both "ld.gold" and "ld". | |
318 | # --enable-gold --enable-ld=default | |
319 | # Build both gold (installed as "ld.gold") and ld (installed as "ld" | |
320 | # and ld.bfd). | |
321 | # In other words, ld is default | |
322 | # --enable-gold=default --enable-ld=default | |
323 | # Error. | |
324 | ||
325 | default_ld= | |
326 | AC_ARG_ENABLE(gold, | |
327 | [AS_HELP_STRING([[--enable-gold[=ARG]]], | |
328 | [build gold @<:@ARG={default,yes,no}@:>@])], | |
329 | ENABLE_GOLD=$enableval, | |
330 | ENABLE_GOLD=no) | |
331 | case "${ENABLE_GOLD}" in | |
332 | yes|default) | |
333 | # Check for ELF target. | |
334 | is_elf=no | |
335 | case "${target}" in | |
336 | *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \ | |
337 | | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \ | |
338 | | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \ | |
339 | | *-*-solaris2* | *-*-nto* | *-*-nacl*) | |
340 | case "${target}" in | |
341 | *-*-linux*aout* | *-*-linux*oldld*) | |
342 | ;; | |
343 | *) | |
344 | is_elf=yes | |
345 | ;; | |
346 | esac | |
347 | esac | |
348 | ||
349 | if test "$is_elf" = "yes"; then | |
350 | # Check for target supported by gold. | |
351 | case "${target}" in | |
352 | i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \ | |
353 | | aarch64*-*-* | tilegx*-*-* | mips*-*-* | s390*-*-*) | |
354 | configdirs="$configdirs gold" | |
355 | if test x${ENABLE_GOLD} = xdefault; then | |
356 | default_ld=gold | |
357 | fi | |
358 | ENABLE_GOLD=yes | |
359 | ;; | |
360 | esac | |
361 | fi | |
362 | ;; | |
363 | no) | |
364 | ;; | |
365 | *) | |
366 | AC_MSG_ERROR([invalid --enable-gold argument]) | |
367 | ;; | |
368 | esac | |
369 | ||
370 | AC_ARG_ENABLE(ld, | |
371 | [AS_HELP_STRING([[--enable-ld[=ARG]]], | |
372 | [build ld @<:@ARG={default,yes,no}@:>@])], | |
373 | ENABLE_LD=$enableval, | |
374 | ENABLE_LD=yes) | |
375 | ||
376 | case "${ENABLE_LD}" in | |
377 | default) | |
378 | if test x${default_ld} != x; then | |
379 | AC_MSG_ERROR([either gold or ld can be the default ld]) | |
380 | fi | |
381 | ;; | |
382 | yes) | |
383 | ;; | |
384 | no) | |
385 | if test x${ENABLE_GOLD} != xyes; then | |
386 | AC_MSG_WARN([neither ld nor gold are enabled]) | |
387 | fi | |
388 | configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'` | |
389 | ;; | |
390 | *) | |
391 | AC_MSG_ERROR([invalid --enable-ld argument]) | |
392 | ;; | |
393 | esac | |
394 | ||
395 | # PR gas/19109 | |
396 | # Decide the default method for compressing debug sections. | |
397 | # Provide a configure time option to override our default. | |
398 | AC_ARG_ENABLE(compressed_debug_sections, | |
399 | [AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,gold,ld,none}], | |
400 | [Enable compressed debug sections for gas, gold or ld by | |
401 | default])], | |
402 | [ | |
403 | if test x"$enable_compressed_debug_sections" = xyes; then | |
404 | AC_MSG_ERROR([no program with compressed debug sections specified]) | |
405 | fi | |
406 | ], [enable_compressed_debug_sections=]) | |
407 | ||
408 | # Configure extra directories which are host specific | |
409 | ||
410 | case "${host}" in | |
411 | *-cygwin*) | |
412 | configdirs="$configdirs libtermcap" ;; | |
413 | esac | |
414 | ||
415 | # A target can indicate whether a language isn't supported for some reason. | |
416 | # Only spaces may be used in this macro; not newlines or tabs. | |
417 | unsupported_languages= | |
418 | ||
419 | # Remove more programs from consideration, based on the host or | |
420 | # target this usually means that a port of the program doesn't | |
421 | # exist yet. | |
422 | ||
423 | case "${host}" in | |
424 | i[[3456789]]86-*-msdosdjgpp*) | |
425 | noconfigdirs="$noconfigdirs tcl tk itcl" | |
426 | ;; | |
427 | esac | |
428 | ||
429 | ||
430 | AC_ARG_ENABLE(libquadmath, | |
431 | AS_HELP_STRING([--disable-libquadmath], | |
432 | [do not build libquadmath directory]), | |
433 | ENABLE_LIBQUADMATH=$enableval, | |
434 | ENABLE_LIBQUADMATH=yes) | |
435 | if test "${ENABLE_LIBQUADMATH}" = "no" ; then | |
436 | noconfigdirs="$noconfigdirs target-libquadmath" | |
437 | fi | |
438 | ||
439 | ||
440 | AC_ARG_ENABLE(libquadmath-support, | |
441 | AS_HELP_STRING([--disable-libquadmath-support], | |
442 | [disable libquadmath support for Fortran]), | |
443 | ENABLE_LIBQUADMATH_SUPPORT=$enableval, | |
444 | ENABLE_LIBQUADMATH_SUPPORT=yes) | |
445 | enable_libquadmath_support= | |
446 | if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then | |
447 | enable_libquadmath_support=no | |
448 | fi | |
449 | ||
450 | ||
451 | AC_ARG_ENABLE(libada, | |
452 | [AS_HELP_STRING([--enable-libada], [build libada directory])], | |
453 | ENABLE_LIBADA=$enableval, | |
454 | ENABLE_LIBADA=yes) | |
455 | if test "${ENABLE_LIBADA}" != "yes" ; then | |
456 | noconfigdirs="$noconfigdirs gnattools" | |
457 | fi | |
458 | ||
459 | AC_ARG_ENABLE(libssp, | |
460 | [AS_HELP_STRING([--enable-libssp], [build libssp directory])], | |
461 | ENABLE_LIBSSP=$enableval, | |
462 | ENABLE_LIBSSP=yes) | |
463 | ||
464 | AC_ARG_ENABLE(libstdcxx, | |
465 | AS_HELP_STRING([--disable-libstdcxx], | |
466 | [do not build libstdc++-v3 directory]), | |
467 | ENABLE_LIBSTDCXX=$enableval, | |
468 | ENABLE_LIBSTDCXX=default) | |
469 | [if test "${ENABLE_LIBSTDCXX}" = "no" ; then | |
470 | noconfigdirs="$noconfigdirs target-libstdc++-v3" | |
471 | fi] | |
472 | ||
473 | # If this is accelerator compiler and its target is intelmic we enable | |
474 | # target liboffloadmic by default. If this is compiler with offloading | |
475 | # for intelmic we enable host liboffloadmic by default. Otherwise | |
476 | # liboffloadmic is disabled by default. | |
477 | AC_ARG_ENABLE([liboffloadmic], | |
478 | AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]], | |
479 | [build liboffloadmic @<:@ARG={no,host,target}@:>@]), | |
480 | [case "$enableval" in | |
481 | no | host | target) | |
482 | enable_liboffloadmic=$enableval ;; | |
483 | *) | |
484 | AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;; | |
485 | esac], | |
486 | [if test x"$enable_as_accelerator_for" != x; then | |
487 | case "${target}" in | |
488 | *-intelmic-* | *-intelmicemul-*) | |
489 | enable_liboffloadmic=target | |
490 | extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target" | |
491 | ;; | |
492 | *) | |
493 | enable_liboffloadmic=no | |
494 | ;; | |
495 | esac | |
496 | else | |
497 | case "${enable_offload_targets}" in | |
498 | *-intelmic-* | *-intelmicemul-*) | |
499 | enable_liboffloadmic=host | |
500 | extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host" | |
501 | ;; | |
502 | *) | |
503 | enable_liboffloadmic=no | |
504 | ;; | |
505 | esac | |
506 | fi]) | |
507 | AC_SUBST(extra_liboffloadmic_configure_flags) | |
508 | ||
509 | # Enable libgomp by default on hosted POSIX systems, and a few others. | |
510 | if test x$enable_libgomp = x ; then | |
511 | case "${target}" in | |
512 | *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) | |
513 | ;; | |
514 | *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*) | |
515 | ;; | |
516 | *-*-solaris2* | *-*-hpux11*) | |
517 | ;; | |
518 | *-*-darwin* | *-*-aix*) | |
519 | ;; | |
520 | nvptx*-*-*) | |
521 | ;; | |
522 | *) | |
523 | noconfigdirs="$noconfigdirs target-libgomp" | |
524 | ;; | |
525 | esac | |
526 | fi | |
527 | ||
528 | # Disable libatomic on unsupported systems. | |
529 | if test -d ${srcdir}/libatomic; then | |
530 | if test x$enable_libatomic = x; then | |
531 | AC_MSG_CHECKING([for libatomic support]) | |
532 | if (srcdir=${srcdir}/libatomic; \ | |
533 | . ${srcdir}/configure.tgt; \ | |
534 | test -n "$UNSUPPORTED") | |
535 | then | |
536 | AC_MSG_RESULT([no]) | |
537 | noconfigdirs="$noconfigdirs target-libatomic" | |
538 | else | |
539 | AC_MSG_RESULT([yes]) | |
540 | fi | |
541 | fi | |
542 | fi | |
543 | ||
544 | # Disable liboffloadmic on unsupported systems. | |
545 | if test -d ${srcdir}/liboffloadmic; then | |
546 | if test x$enable_liboffloadmic != xno; then | |
547 | AC_MSG_CHECKING([for liboffloadmic support]) | |
548 | if (srcdir=${srcdir}/liboffloadmic; \ | |
549 | . ${srcdir}/configure.tgt; \ | |
550 | test -n "$UNSUPPORTED") | |
551 | then | |
552 | AC_MSG_RESULT([no]) | |
553 | noconfigdirs="$noconfigdirs target-liboffloadmic" | |
554 | else | |
555 | AC_MSG_RESULT([yes]) | |
556 | fi | |
557 | fi | |
558 | fi | |
559 | ||
560 | # Disable libitm on unsupported systems. | |
561 | if test -d ${srcdir}/libitm; then | |
562 | if test x$enable_libitm = x; then | |
563 | AC_MSG_CHECKING([for libitm support]) | |
564 | if (srcdir=${srcdir}/libitm; \ | |
565 | . ${srcdir}/configure.tgt; \ | |
566 | test -n "$UNSUPPORTED") | |
567 | then | |
568 | AC_MSG_RESULT([no]) | |
569 | noconfigdirs="$noconfigdirs target-libitm" | |
570 | else | |
571 | AC_MSG_RESULT([yes]) | |
572 | fi | |
573 | fi | |
574 | fi | |
575 | ||
576 | # Disable libsanitizer on unsupported systems. | |
577 | if test -d ${srcdir}/libsanitizer; then | |
578 | if test x$enable_libsanitizer = x; then | |
579 | AC_MSG_CHECKING([for libsanitizer support]) | |
580 | if (srcdir=${srcdir}/libsanitizer; \ | |
581 | . ${srcdir}/configure.tgt; \ | |
582 | test -n "$UNSUPPORTED") | |
583 | then | |
584 | AC_MSG_RESULT([no]) | |
585 | noconfigdirs="$noconfigdirs target-libsanitizer" | |
586 | else | |
587 | AC_MSG_RESULT([yes]) | |
588 | fi | |
589 | fi | |
590 | fi | |
591 | ||
592 | # Disable libvtv on unsupported systems. | |
593 | if test -d ${srcdir}/libvtv; then | |
594 | if test x$enable_libvtv = x; then | |
595 | AC_MSG_CHECKING([for libvtv support]) | |
596 | if (srcdir=${srcdir}/libvtv; \ | |
597 | . ${srcdir}/configure.tgt; \ | |
598 | test "$VTV_SUPPORTED" != "yes") | |
599 | then | |
600 | AC_MSG_RESULT([no]) | |
601 | noconfigdirs="$noconfigdirs target-libvtv" | |
602 | else | |
603 | AC_MSG_RESULT([yes]) | |
604 | fi | |
605 | fi | |
606 | fi | |
607 | ||
608 | ||
609 | # Disable libhsail-rt on unsupported systems. | |
610 | if test -d ${srcdir}/libhsail-rt; then | |
611 | if test x$enable_libhsail_rt = x; then | |
612 | AC_MSG_CHECKING([for libhsail-rt support]) | |
613 | if (srcdir=${srcdir}/libhsail-rt; \ | |
614 | . ${srcdir}/configure.tgt; \ | |
615 | test -n "$UNSUPPORTED") | |
616 | then | |
617 | AC_MSG_RESULT([no]) | |
618 | unsupported_languages="$unsupported_languages brig" | |
619 | # This implicitly disables also target-libhsail-rt as it won't | |
620 | # get added to the build without BRIG FE. | |
621 | else | |
622 | AC_MSG_RESULT([yes]) | |
623 | fi | |
624 | fi | |
625 | fi | |
626 | ||
627 | ||
628 | # Disable libquadmath for some systems. | |
629 | case "${target}" in | |
630 | avr-*-*) | |
631 | noconfigdirs="$noconfigdirs target-libquadmath" | |
632 | ;; | |
633 | # libquadmath is unused on AIX and libquadmath build process use of | |
634 | # LD_LIBRARY_PATH can break AIX bootstrap. | |
635 | powerpc-*-aix* | rs6000-*-aix*) | |
636 | noconfigdirs="$noconfigdirs target-libquadmath" | |
637 | ;; | |
638 | esac | |
639 | ||
640 | # Disable libssp for some systems. | |
641 | case "${target}" in | |
642 | avr-*-*) | |
643 | # No hosted I/O support. | |
644 | noconfigdirs="$noconfigdirs target-libssp" | |
645 | ;; | |
646 | powerpc-*-aix* | rs6000-*-aix*) | |
647 | noconfigdirs="$noconfigdirs target-libssp" | |
648 | ;; | |
649 | rl78-*-*) | |
650 | # libssp uses a misaligned load to trigger a fault, but the RL78 | |
651 | # doesn't fault for those - instead, it gives a build-time error | |
652 | # for explicit misaligned loads. | |
653 | noconfigdirs="$noconfigdirs target-libssp" | |
654 | ;; | |
655 | visium-*-*) | |
656 | # No hosted I/O support. | |
657 | noconfigdirs="$noconfigdirs target-libssp" | |
658 | ;; | |
659 | esac | |
660 | ||
661 | # Disable libstdc++-v3 for some systems. | |
662 | # Allow user to override this if they pass --enable-libstdc++-v3 | |
663 | if test "${ENABLE_LIBSTDCXX}" = "default" ; then | |
664 | case "${target}" in | |
665 | *-*-vxworks*) | |
666 | # VxWorks uses the Dinkumware C++ library. | |
667 | noconfigdirs="$noconfigdirs target-libstdc++-v3" | |
668 | ;; | |
669 | arm*-wince-pe*) | |
670 | # the C++ libraries don't build on top of CE's C libraries | |
671 | noconfigdirs="$noconfigdirs target-libstdc++-v3" | |
672 | ;; | |
673 | avr-*-*) | |
674 | noconfigdirs="$noconfigdirs target-libstdc++-v3" | |
675 | ;; | |
676 | ft32-*-*) | |
677 | noconfigdirs="$noconfigdirs target-libstdc++-v3" | |
678 | ;; | |
679 | esac | |
680 | fi | |
681 | ||
682 | # Disable Fortran for some systems. | |
683 | case "${target}" in | |
684 | mmix-*-*) | |
685 | # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>. | |
686 | unsupported_languages="$unsupported_languages fortran" | |
687 | ;; | |
688 | esac | |
689 | ||
690 | # Disable libffi for some systems. | |
691 | case "${target}" in | |
692 | powerpc-*-darwin*) | |
693 | ;; | |
694 | i[[3456789]]86-*-darwin*) | |
695 | ;; | |
696 | x86_64-*-darwin[[912]]*) | |
697 | ;; | |
698 | *-*-darwin*) | |
699 | noconfigdirs="$noconfigdirs target-libffi" | |
700 | ;; | |
701 | *-*-netware*) | |
702 | noconfigdirs="$noconfigdirs target-libffi" | |
703 | ;; | |
704 | *-*-phoenix*) | |
705 | noconfigdirs="$noconfigdirs target-libffi" | |
706 | ;; | |
707 | *-*-rtems*) | |
708 | noconfigdirs="$noconfigdirs target-libffi" | |
709 | ;; | |
710 | *-*-tpf*) | |
711 | noconfigdirs="$noconfigdirs target-libffi" | |
712 | ;; | |
713 | *-*-uclinux*) | |
714 | noconfigdirs="$noconfigdirs target-libffi" | |
715 | ;; | |
716 | *-*-vxworks*) | |
717 | noconfigdirs="$noconfigdirs target-libffi" | |
718 | ;; | |
719 | aarch64*-*-freebsd*) | |
720 | noconfigdirs="$noconfigdirs target-libffi" | |
721 | ;; | |
722 | alpha*-*-*vms*) | |
723 | noconfigdirs="$noconfigdirs target-libffi" | |
724 | ;; | |
725 | arm*-*-freebsd*) | |
726 | noconfigdirs="$noconfigdirs target-libffi" | |
727 | ;; | |
728 | arm-wince-pe) | |
729 | noconfigdirs="$noconfigdirs target-libffi" | |
730 | ;; | |
731 | arm*-*-symbianelf*) | |
732 | noconfigdirs="$noconfigdirs target-libffi" | |
733 | ;; | |
734 | cris-*-* | crisv32-*-*) | |
735 | case "${target}" in | |
736 | *-*-linux*) | |
737 | ;; | |
738 | *) # See PR46792 regarding target-libffi. | |
739 | noconfigdirs="$noconfigdirs target-libffi";; | |
740 | esac | |
741 | ;; | |
742 | hppa*64*-*-hpux*) | |
743 | noconfigdirs="$noconfigdirs target-libffi" | |
744 | ;; | |
745 | hppa*-hp-hpux11*) | |
746 | ;; | |
747 | hppa*-*-hpux*) | |
748 | noconfigdirs="$noconfigdirs target-libffi" | |
749 | ;; | |
750 | ia64*-*-*vms*) | |
751 | noconfigdirs="$noconfigdirs target-libffi" | |
752 | ;; | |
753 | i[[3456789]]86-w64-mingw*) | |
754 | noconfigdirs="$noconfigdirs target-libffi" | |
755 | ;; | |
756 | i[[3456789]]86-*-mingw*) | |
757 | noconfigdirs="$noconfigdirs target-libffi" | |
758 | ;; | |
759 | x86_64-*-mingw*) | |
760 | noconfigdirs="$noconfigdirs target-libffi" | |
761 | ;; | |
762 | mmix-*-*) | |
763 | noconfigdirs="$noconfigdirs target-libffi" | |
764 | ;; | |
765 | powerpc-*-aix*) | |
766 | ;; | |
767 | rs6000-*-aix*) | |
768 | ;; | |
769 | ft32-*-*) | |
770 | noconfigdirs="$noconfigdirs target-libffi" | |
771 | ;; | |
772 | *-*-lynxos*) | |
773 | noconfigdirs="$noconfigdirs target-libffi" | |
774 | ;; | |
775 | esac | |
776 | ||
777 | # Disable the go frontend on systems where it is known to not work. Please keep | |
778 | # this in sync with contrib/config-list.mk. | |
779 | case "${target}" in | |
780 | *-*-darwin* | *-*-cygwin* | *-*-mingw*) | |
781 | unsupported_languages="$unsupported_languages go" | |
782 | ;; | |
783 | esac | |
784 | ||
785 | # Only allow gdbserver on some systems. | |
786 | if test -d ${srcdir}/gdbserver; then | |
787 | if test x$enable_gdbserver = x; then | |
788 | AC_MSG_CHECKING([for gdbserver support]) | |
789 | if (srcdir=${srcdir}/gdbserver; \ | |
790 | . ${srcdir}/configure.srv; \ | |
791 | test -n "$UNSUPPORTED") | |
792 | then | |
793 | AC_MSG_RESULT([no]) | |
794 | noconfigdirs="$noconfigdirs gdbserver" | |
795 | else | |
796 | AC_MSG_RESULT([yes]) | |
797 | fi | |
798 | fi | |
799 | fi | |
800 | ||
801 | # Disable libgo for some systems where it is known to not work. | |
802 | # For testing, you can easily override this with --enable-libgo. | |
803 | if test x$enable_libgo = x; then | |
804 | case "${target}" in | |
805 | *-*-darwin*) | |
806 | # PR 46986 | |
807 | noconfigdirs="$noconfigdirs target-libgo" | |
808 | ;; | |
809 | *-*-cygwin* | *-*-mingw*) | |
810 | noconfigdirs="$noconfigdirs target-libgo" | |
811 | ;; | |
812 | esac | |
813 | fi | |
814 | ||
815 | # Default libgloss CPU subdirectory. | |
816 | libgloss_dir="$target_cpu" | |
817 | ||
818 | case "${target}" in | |
819 | sh*-*-pe|mips*-*-pe|*arm-wince-pe) | |
820 | libgloss_dir=wince | |
821 | ;; | |
822 | aarch64*-*-* ) | |
823 | libgloss_dir=aarch64 | |
824 | ;; | |
825 | arm*-*-*) | |
826 | libgloss_dir=arm | |
827 | ;; | |
828 | cris-*-* | crisv32-*-*) | |
829 | libgloss_dir=cris | |
830 | ;; | |
831 | hppa*-*-*) | |
832 | libgloss_dir=pa | |
833 | ;; | |
834 | i[[3456789]]86-*-*) | |
835 | libgloss_dir=i386 | |
836 | ;; | |
837 | m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*) | |
838 | libgloss_dir=m68hc11 | |
839 | ;; | |
840 | m68*-*-* | fido-*-*) | |
841 | libgloss_dir=m68k | |
842 | ;; | |
843 | mips*-*-*) | |
844 | libgloss_dir=mips | |
845 | ;; | |
846 | powerpc*-*-*) | |
847 | libgloss_dir=rs6000 | |
848 | ;; | |
849 | sparc*-*-*) | |
850 | libgloss_dir=sparc | |
851 | ;; | |
852 | esac | |
853 | ||
854 | # Disable newlib and libgloss for various target OSes. | |
855 | case "${target}" in | |
856 | alpha*-dec-osf*) | |
857 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" | |
858 | ;; | |
859 | i[[3456789]]86-*-linux*) | |
860 | # This section makes it possible to build newlib natively on linux. | |
861 | # If we are using a cross compiler then don't configure newlib. | |
862 | if test x${is_cross_compiler} != xno ; then | |
863 | noconfigdirs="$noconfigdirs target-newlib" | |
864 | fi | |
865 | noconfigdirs="$noconfigdirs target-libgloss" | |
866 | # If we are not using a cross compiler, do configure newlib. | |
867 | # Note however, that newlib will only be configured in this situation | |
868 | # if the --with-newlib option has been given, because otherwise | |
869 | # 'target-newlib' will appear in skipdirs. | |
870 | ;; | |
871 | i[[3456789]]86-*-rdos*) | |
872 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" | |
873 | ;; | |
874 | sh*-*-pe|mips*-*-pe|arm-wince-pe) | |
875 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" | |
876 | ;; | |
877 | sparc-*-sunos4*) | |
878 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" | |
879 | ;; | |
880 | *-*-aix*) | |
881 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" | |
882 | ;; | |
883 | *-*-beos*) | |
884 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" | |
885 | ;; | |
886 | *-*-chorusos) | |
887 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" | |
888 | ;; | |
889 | *-*-dragonfly*) | |
890 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" | |
891 | ;; | |
892 | *-*-freebsd*) | |
893 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" | |
894 | ;; | |
895 | *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) | |
896 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" | |
897 | ;; | |
898 | *-*-lynxos*) | |
899 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" | |
900 | ;; | |
901 | *-*-mingw*) | |
902 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" | |
903 | ;; | |
904 | *-*-netbsd*) | |
905 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" | |
906 | ;; | |
907 | *-*-netware*) | |
908 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" | |
909 | ;; | |
910 | *-*-tpf*) | |
911 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" | |
912 | ;; | |
913 | *-*-uclinux*) | |
914 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" | |
915 | ;; | |
916 | *-*-vxworks*) | |
917 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" | |
918 | ;; | |
919 | esac | |
920 | ||
921 | case "${target}" in | |
922 | *-*-chorusos) | |
923 | ;; | |
924 | aarch64-*-darwin*) | |
925 | noconfigdirs="$noconfigdirs ld gas gdb gprof" | |
926 | noconfigdirs="$noconfigdirs sim target-rda" | |
927 | ;; | |
928 | arm-*-darwin*) | |
929 | noconfigdirs="$noconfigdirs ld gas gdb gprof" | |
930 | noconfigdirs="$noconfigdirs sim target-rda" | |
931 | ;; | |
932 | powerpc-*-darwin*) | |
933 | noconfigdirs="$noconfigdirs ld gas gdb gprof" | |
934 | noconfigdirs="$noconfigdirs sim target-rda" | |
935 | ;; | |
936 | i[[3456789]]86-*-darwin*) | |
937 | noconfigdirs="$noconfigdirs ld gprof" | |
938 | noconfigdirs="$noconfigdirs sim target-rda" | |
939 | ;; | |
940 | x86_64-*-darwin[[912]]*) | |
941 | noconfigdirs="$noconfigdirs ld gas gprof" | |
942 | noconfigdirs="$noconfigdirs sim target-rda" | |
943 | ;; | |
944 | *-*-darwin*) | |
945 | noconfigdirs="$noconfigdirs ld gas gdb gprof" | |
946 | noconfigdirs="$noconfigdirs sim target-rda" | |
947 | ;; | |
948 | *-*-dragonfly*) | |
949 | ;; | |
950 | *-*-freebsd*) | |
951 | if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \ | |
952 | && test -f /usr/local/include/gmp.h; then | |
953 | with_gmp=/usr/local | |
954 | fi | |
955 | ;; | |
956 | *-*-kaos*) | |
957 | # Remove unsupported stuff on all kaOS configurations. | |
958 | noconfigdirs="$noconfigdirs target-libgloss" | |
959 | ;; | |
960 | *-*-netbsd*) | |
961 | ;; | |
962 | *-*-netware*) | |
963 | ;; | |
964 | *-*-phoenix*) | |
965 | noconfigdirs="$noconfigdirs target-libgloss" | |
966 | ;; | |
967 | *-*-rtems*) | |
968 | noconfigdirs="$noconfigdirs target-libgloss" | |
969 | ;; | |
970 | # The tpf target doesn't support gdb yet. | |
971 | *-*-tpf*) | |
972 | noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl" | |
973 | ;; | |
974 | *-*-uclinux*) | |
975 | noconfigdirs="$noconfigdirs target-rda" | |
976 | ;; | |
977 | *-*-vxworks*) | |
978 | ;; | |
979 | alpha*-dec-osf*) | |
980 | # ld works, but does not support shared libraries. | |
981 | # gas doesn't generate exception information. | |
982 | noconfigdirs="$noconfigdirs gas ld" | |
983 | ;; | |
984 | alpha*-*-*vms*) | |
985 | noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss" | |
986 | ;; | |
987 | alpha*-*-*) | |
988 | # newlib is not 64 bit ready | |
989 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" | |
990 | ;; | |
991 | sh*-*-pe|mips*-*-pe|*arm-wince-pe) | |
992 | noconfigdirs="$noconfigdirs tcl tk itcl libgui sim" | |
993 | ;; | |
994 | arc*-*-*) | |
995 | noconfigdirs="$noconfigdirs sim" | |
996 | ;; | |
997 | arm-*-pe*) | |
998 | noconfigdirs="$noconfigdirs target-libgloss" | |
999 | ;; | |
1000 | arm-*-riscix*) | |
1001 | noconfigdirs="$noconfigdirs ld target-libgloss" | |
1002 | ;; | |
1003 | avr-*-*) | |
1004 | if test x${with_avrlibc} != xno; then | |
1005 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" | |
1006 | fi | |
1007 | ;; | |
1008 | c4x-*-* | tic4x-*-*) | |
1009 | noconfigdirs="$noconfigdirs target-libgloss" | |
1010 | ;; | |
1011 | tic54x-*-*) | |
1012 | noconfigdirs="$noconfigdirs target-libgloss gdb" | |
1013 | ;; | |
1014 | d10v-*-*) | |
1015 | noconfigdirs="$noconfigdirs target-libgloss" | |
1016 | ;; | |
1017 | d30v-*-*) | |
1018 | noconfigdirs="$noconfigdirs gdb" | |
1019 | ;; | |
1020 | fr30-*-elf*) | |
1021 | noconfigdirs="$noconfigdirs gdb" | |
1022 | ;; | |
1023 | ft32-*-*) | |
1024 | noconfigdirs="$noconfigdirs target-rda gprof" | |
1025 | ;; | |
1026 | moxie-*-*) | |
1027 | noconfigdirs="$noconfigdirs" | |
1028 | ;; | |
1029 | h8300*-*-*) | |
1030 | noconfigdirs="$noconfigdirs target-libgloss" | |
1031 | ;; | |
1032 | h8500-*-*) | |
1033 | noconfigdirs="$noconfigdirs target-libgloss" | |
1034 | ;; | |
1035 | hppa1.1-*-osf* | hppa1.1-*-bsd* ) | |
1036 | ;; | |
1037 | hppa*64*-*-hpux*) | |
1038 | noconfigdirs="$noconfigdirs gdb" | |
1039 | ;; | |
1040 | hppa*-*-hpux11*) | |
1041 | noconfigdirs="$noconfigdirs gdb ld" | |
1042 | ;; | |
1043 | hppa*64*-*-linux*) | |
1044 | ;; | |
1045 | hppa*-*-linux*) | |
1046 | ;; | |
1047 | hppa*-*-*elf* | \ | |
1048 | hppa*-*-lites* | \ | |
1049 | hppa*-*-openbsd* | \ | |
1050 | hppa*64*-*-*) | |
1051 | ;; | |
1052 | hppa*-*-pro*) | |
1053 | ;; | |
1054 | hppa*-*-*) | |
1055 | noconfigdirs="$noconfigdirs ld" | |
1056 | ;; | |
1057 | i960-*-*) | |
1058 | noconfigdirs="$noconfigdirs gdb" | |
1059 | ;; | |
1060 | ia64*-*-elf*) | |
1061 | # No gdb support yet. | |
1062 | noconfigdirs="$noconfigdirs readline libgui itcl gdb" | |
1063 | ;; | |
1064 | ia64*-**-hpux*) | |
1065 | # No ld support yet. | |
1066 | noconfigdirs="$noconfigdirs gdb libgui itcl ld" | |
1067 | ;; | |
1068 | ia64*-*-*vms*) | |
1069 | # No ld support yet. | |
1070 | noconfigdirs="$noconfigdirs libgui itcl ld" | |
1071 | ;; | |
1072 | i[[3456789]]86-w64-mingw*) | |
1073 | ;; | |
1074 | i[[3456789]]86-*-mingw*) | |
1075 | target_configdirs="$target_configdirs target-winsup" | |
1076 | ;; | |
1077 | *-*-cygwin*) | |
1078 | target_configdirs="$target_configdirs target-libtermcap target-winsup" | |
1079 | noconfigdirs="$noconfigdirs target-libgloss" | |
1080 | # always build newlib if winsup directory is present. | |
1081 | if test -d "$srcdir/winsup/cygwin"; then | |
1082 | skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` | |
1083 | elif test -d "$srcdir/newlib"; then | |
1084 | echo "Warning: winsup/cygwin is missing so newlib can't be built." | |
1085 | fi | |
1086 | ;; | |
1087 | i[[3456789]]86-*-pe) | |
1088 | noconfigdirs="$noconfigdirs target-libgloss" | |
1089 | ;; | |
1090 | i[[3456789]]86-*-sco3.2v5*) | |
1091 | # The linker does not yet know about weak symbols in COFF, | |
1092 | # and is not configured to handle mixed ELF and COFF. | |
1093 | noconfigdirs="$noconfigdirs ld target-libgloss" | |
1094 | ;; | |
1095 | i[[3456789]]86-*-sco*) | |
1096 | noconfigdirs="$noconfigdirs gprof target-libgloss" | |
1097 | ;; | |
1098 | i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*) | |
1099 | noconfigdirs="$noconfigdirs target-libgloss" | |
1100 | ;; | |
1101 | i[[3456789]]86-*-sysv4*) | |
1102 | noconfigdirs="$noconfigdirs target-libgloss" | |
1103 | ;; | |
1104 | i[[3456789]]86-*-beos*) | |
1105 | noconfigdirs="$noconfigdirs gdb" | |
1106 | ;; | |
1107 | i[[3456789]]86-*-rdos*) | |
1108 | noconfigdirs="$noconfigdirs gdb" | |
1109 | ;; | |
1110 | mmix-*-*) | |
1111 | noconfigdirs="$noconfigdirs gdb" | |
1112 | ;; | |
1113 | mt-*-*) | |
1114 | noconfigdirs="$noconfigdirs sim" | |
1115 | ;; | |
1116 | nfp-*-*) | |
1117 | noconfigdirs="$noconfigdirs ld gas gdb gprof sim" | |
1118 | noconfigdirs="$noconfigdirs $target_libraries" | |
1119 | ;; | |
1120 | pdp11-*-*) | |
1121 | noconfigdirs="$noconfigdirs gdb gprof" | |
1122 | ;; | |
1123 | powerpc-*-aix*) | |
1124 | # copied from rs6000-*-* entry | |
1125 | noconfigdirs="$noconfigdirs gprof" | |
1126 | ;; | |
1127 | powerpc*-*-winnt* | powerpc*-*-pe*) | |
1128 | target_configdirs="$target_configdirs target-winsup" | |
1129 | noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl" | |
1130 | # always build newlib. | |
1131 | skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` | |
1132 | ;; | |
1133 | # This is temporary until we can link against shared libraries | |
1134 | powerpcle-*-solaris*) | |
1135 | noconfigdirs="$noconfigdirs gdb sim tcl tk itcl" | |
1136 | ;; | |
1137 | powerpc-*-beos*) | |
1138 | noconfigdirs="$noconfigdirs gdb" | |
1139 | ;; | |
1140 | rs6000-*-lynxos*) | |
1141 | noconfigdirs="$noconfigdirs gprof" | |
1142 | ;; | |
1143 | rs6000-*-aix*) | |
1144 | noconfigdirs="$noconfigdirs gprof" | |
1145 | ;; | |
1146 | rs6000-*-*) | |
1147 | noconfigdirs="$noconfigdirs gprof" | |
1148 | ;; | |
1149 | m68k-apollo-*) | |
1150 | noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss" | |
1151 | ;; | |
1152 | microblaze*) | |
1153 | noconfigdirs="$noconfigdirs gprof" | |
1154 | ;; | |
1155 | mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) | |
1156 | if test x$with_newlib = xyes; then | |
1157 | noconfigdirs="$noconfigdirs gprof" | |
1158 | fi | |
1159 | ;; | |
1160 | mips*-*-irix5*) | |
1161 | noconfigdirs="$noconfigdirs gprof target-libgloss" | |
1162 | ;; | |
1163 | mips*-*-irix6*) | |
1164 | noconfigdirs="$noconfigdirs gprof target-libgloss" | |
1165 | ;; | |
1166 | mips*-*-bsd*) | |
1167 | noconfigdirs="$noconfigdirs ld gas gprof target-libgloss" | |
1168 | ;; | |
1169 | mips*-*-linux*) | |
1170 | ;; | |
1171 | mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \ | |
1172 | | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*) | |
1173 | noconfigdirs="$noconfigdirs ld gas gprof" | |
1174 | ;; | |
1175 | mips*-*-*) | |
1176 | noconfigdirs="$noconfigdirs gprof" | |
1177 | ;; | |
1178 | nvptx*-*-*) | |
1179 | noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc" | |
1180 | ;; | |
1181 | sh-*-*) | |
1182 | case "${target}" in | |
1183 | sh*-*-elf) | |
1184 | ;; | |
1185 | *) | |
1186 | noconfigdirs="$noconfigdirs target-libgloss" ;; | |
1187 | esac | |
1188 | ;; | |
1189 | sparc-*-sunos4*) | |
1190 | if test x${is_cross_compiler} = xno ; then | |
1191 | use_gnu_ld=no | |
1192 | fi | |
1193 | ;; | |
1194 | tic6x-*-*) | |
1195 | noconfigdirs="$noconfigdirs sim" | |
1196 | ;; | |
1197 | tilepro*-*-* | tilegx*-*-*) | |
1198 | noconfigdirs="$noconfigdirs sim" | |
1199 | ;; | |
1200 | v810-*-*) | |
1201 | noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss" | |
1202 | ;; | |
1203 | vax-*-*) | |
1204 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" | |
1205 | ;; | |
1206 | wasm32-*-*) | |
1207 | noconfigdirs="$noconfigdirs ld" | |
1208 | ;; | |
1209 | esac | |
1210 | ||
1211 | # If we aren't building newlib, then don't build libgloss, since libgloss | |
1212 | # depends upon some newlib header files. | |
1213 | case "${noconfigdirs}" in | |
1214 | *target-libgloss*) ;; | |
1215 | *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;; | |
1216 | esac | |
1217 | ||
1218 | # Work in distributions that contain no compiler tools, like Autoconf. | |
1219 | host_makefile_frag=/dev/null | |
1220 | if test -d ${srcdir}/config ; then | |
1221 | case "${host}" in | |
1222 | i[[3456789]]86-*-msdosdjgpp*) | |
1223 | host_makefile_frag="config/mh-djgpp" | |
1224 | ;; | |
1225 | *-cygwin*) | |
1226 | ACX_CHECK_CYGWIN_CAT_WORKS | |
1227 | host_makefile_frag="config/mh-cygwin" | |
1228 | ;; | |
1229 | *-mingw*) | |
1230 | host_makefile_frag="config/mh-mingw" | |
1231 | ;; | |
1232 | alpha*-linux*) | |
1233 | host_makefile_frag="config/mh-alpha-linux" | |
1234 | ;; | |
1235 | hppa*-hp-hpux10*) | |
1236 | host_makefile_frag="config/mh-pa-hpux10" | |
1237 | ;; | |
1238 | hppa*-hp-hpux*) | |
1239 | host_makefile_frag="config/mh-pa" | |
1240 | ;; | |
1241 | hppa*-*) | |
1242 | host_makefile_frag="config/mh-pa" | |
1243 | ;; | |
1244 | *-*-darwin*) | |
1245 | host_makefile_frag="config/mh-darwin" | |
1246 | ;; | |
1247 | powerpc-*-aix*) | |
1248 | host_makefile_frag="config/mh-ppc-aix" | |
1249 | ;; | |
1250 | rs6000-*-aix*) | |
1251 | host_makefile_frag="config/mh-ppc-aix" | |
1252 | ;; | |
1253 | esac | |
1254 | fi | |
1255 | ||
1256 | if test "${build}" != "${host}" ; then | |
1257 | AR_FOR_BUILD=${AR_FOR_BUILD-ar} | |
1258 | AS_FOR_BUILD=${AS_FOR_BUILD-as} | |
1259 | CC_FOR_BUILD=${CC_FOR_BUILD-gcc} | |
1260 | CXX_FOR_BUILD=${CXX_FOR_BUILD-g++} | |
1261 | GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran} | |
1262 | GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo} | |
1263 | DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool} | |
1264 | LD_FOR_BUILD=${LD_FOR_BUILD-ld} | |
1265 | NM_FOR_BUILD=${NM_FOR_BUILD-nm} | |
1266 | RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib} | |
1267 | WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres} | |
1268 | WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc} | |
1269 | else | |
1270 | AR_FOR_BUILD="\$(AR)" | |
1271 | AS_FOR_BUILD="\$(AS)" | |
1272 | CC_FOR_BUILD="\$(CC)" | |
1273 | CXX_FOR_BUILD="\$(CXX)" | |
1274 | GFORTRAN_FOR_BUILD="\$(GFORTRAN)" | |
1275 | GOC_FOR_BUILD="\$(GOC)" | |
1276 | DLLTOOL_FOR_BUILD="\$(DLLTOOL)" | |
1277 | LD_FOR_BUILD="\$(LD)" | |
1278 | NM_FOR_BUILD="\$(NM)" | |
1279 | RANLIB_FOR_BUILD="\$(RANLIB)" | |
1280 | WINDRES_FOR_BUILD="\$(WINDRES)" | |
1281 | WINDMC_FOR_BUILD="\$(WINDMC)" | |
1282 | fi | |
1283 | ||
1284 | AC_PROG_CC | |
1285 | AC_PROG_CXX | |
1286 | ||
1287 | # We must set the default linker to the linker used by gcc for the correct | |
1288 | # operation of libtool. If LD is not defined and we are using gcc, try to | |
1289 | # set the LD default to the ld used by gcc. | |
1290 | if test -z "$LD"; then | |
1291 | if test "$GCC" = yes; then | |
1292 | case $build in | |
1293 | *-*-mingw*) | |
1294 | gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;; | |
1295 | *) | |
1296 | gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;; | |
1297 | esac | |
1298 | case $gcc_prog_ld in | |
1299 | # Accept absolute paths. | |
1300 | [[\\/]* | [A-Za-z]:[\\/]*)] | |
1301 | LD="$gcc_prog_ld" ;; | |
1302 | esac | |
1303 | fi | |
1304 | fi | |
1305 | ||
1306 | # Check whether -static-libstdc++ -static-libgcc is supported. | |
1307 | have_static_libs=no | |
1308 | if test "$GCC" = yes; then | |
1309 | saved_LDFLAGS="$LDFLAGS" | |
1310 | ||
1311 | LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc" | |
1312 | AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc]) | |
1313 | AC_LANG_PUSH(C++) | |
1314 | AC_LINK_IFELSE([AC_LANG_SOURCE([ | |
1315 | #if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5) | |
1316 | #error -static-libstdc++ not implemented | |
1317 | #endif | |
1318 | int main() {}])], | |
1319 | [AC_MSG_RESULT([yes]); have_static_libs=yes], | |
1320 | [AC_MSG_RESULT([no])]) | |
1321 | AC_LANG_POP(C++) | |
1322 | ||
1323 | LDFLAGS="$saved_LDFLAGS" | |
1324 | fi | |
1325 | ||
1326 | ACX_PROG_GNAT | |
1327 | ACX_PROG_CMP_IGNORE_INITIAL | |
1328 | ||
1329 | AC_ARG_ENABLE([bootstrap], | |
1330 | [AS_HELP_STRING([--enable-bootstrap], | |
1331 | [enable bootstrapping @<:@yes if native build@:>@])],, | |
1332 | enable_bootstrap=default) | |
1333 | ||
1334 | # Issue errors and warnings for invalid/strange bootstrap combinations. | |
1335 | if test -r $srcdir/gcc/configure; then | |
1336 | have_compiler=yes | |
1337 | else | |
1338 | have_compiler=no | |
1339 | fi | |
1340 | ||
1341 | case "$have_compiler:$host:$target:$enable_bootstrap" in | |
1342 | *:*:*:no) ;; | |
1343 | ||
1344 | # Default behavior. Enable bootstrap if we have a compiler | |
1345 | # and we are in a native configuration. | |
1346 | yes:$build:$build:default) | |
1347 | enable_bootstrap=yes ;; | |
1348 | ||
1349 | *:*:*:default) | |
1350 | enable_bootstrap=no ;; | |
1351 | ||
1352 | # We have a compiler and we are in a native configuration, bootstrap is ok | |
1353 | yes:$build:$build:yes) | |
1354 | ;; | |
1355 | ||
1356 | # Other configurations, but we have a compiler. Assume the user knows | |
1357 | # what he's doing. | |
1358 | yes:*:*:yes) | |
1359 | AC_MSG_WARN([trying to bootstrap a cross compiler]) | |
1360 | ;; | |
1361 | ||
1362 | # No compiler: if they passed --enable-bootstrap explicitly, fail | |
1363 | no:*:*:yes) | |
1364 | AC_MSG_ERROR([cannot bootstrap without a compiler]) ;; | |
1365 | ||
1366 | # Fail if wrong command line | |
1367 | *) | |
1368 | AC_MSG_ERROR([invalid option for --enable-bootstrap]) | |
1369 | ;; | |
1370 | esac | |
1371 | ||
1372 | # When bootstrapping with GCC, build stage 1 in C++98 mode to ensure that a | |
1373 | # C++98 compiler can still start the bootstrap. | |
1374 | if test "$enable_bootstrap:$GXX" = "yes:yes"; then | |
1375 | CXX="$CXX -std=gnu++98" | |
1376 | fi | |
1377 | ||
1378 | # Used for setting $lt_cv_objdir | |
1379 | _LT_CHECK_OBJDIR | |
1380 | ||
1381 | # Check for GMP, MPFR and MPC | |
1382 | gmplibs="-lmpc -lmpfr -lgmp" | |
1383 | gmpinc= | |
1384 | have_gmp=no | |
1385 | ||
1386 | # Check for debuginfod | |
1387 | AC_DEBUGINFOD | |
1388 | ||
1389 | # Specify a location for mpc | |
1390 | # check for this first so it ends up on the link line before mpfr. | |
1391 | AC_ARG_WITH(mpc, | |
1392 | [AS_HELP_STRING([--with-mpc=PATH], | |
1393 | [specify prefix directory for installed MPC package. | |
1394 | Equivalent to --with-mpc-include=PATH/include | |
1395 | plus --with-mpc-lib=PATH/lib])]) | |
1396 | AC_ARG_WITH(mpc-include, | |
1397 | [AS_HELP_STRING([--with-mpc-include=PATH], | |
1398 | [specify directory for installed MPC include files])]) | |
1399 | AC_ARG_WITH(mpc-lib, | |
1400 | [AS_HELP_STRING([--with-mpc-lib=PATH], | |
1401 | [specify directory for the installed MPC library])]) | |
1402 | ||
1403 | if test "x$with_mpc" != x; then | |
1404 | gmplibs="-L$with_mpc/lib $gmplibs" | |
1405 | gmpinc="-I$with_mpc/include $gmpinc" | |
1406 | fi | |
1407 | if test "x$with_mpc_include" != x; then | |
1408 | gmpinc="-I$with_mpc_include $gmpinc" | |
1409 | fi | |
1410 | if test "x$with_mpc_lib" != x; then | |
1411 | gmplibs="-L$with_mpc_lib $gmplibs" | |
1412 | fi | |
1413 | if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then | |
1414 | gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs" | |
1415 | gmpinc='-I$$s/mpc/src '"$gmpinc" | |
1416 | # Do not test the mpc version. Assume that it is sufficient, since | |
1417 | # it is in the source tree, and the library has not been built yet | |
1418 | # but it would be included on the link line in the version check below | |
1419 | # hence making the test fail. | |
1420 | have_gmp=yes | |
1421 | fi | |
1422 | ||
1423 | # Specify a location for mpfr | |
1424 | # check for this first so it ends up on the link line before gmp. | |
1425 | AC_ARG_WITH(mpfr-dir, | |
1426 | [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])], | |
1427 | [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed. | |
1428 | Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])]) | |
1429 | ||
1430 | AC_ARG_WITH(mpfr, | |
1431 | [AS_HELP_STRING([--with-mpfr=PATH], | |
1432 | [specify prefix directory for installed MPFR package. | |
1433 | Equivalent to --with-mpfr-include=PATH/include | |
1434 | plus --with-mpfr-lib=PATH/lib])]) | |
1435 | AC_ARG_WITH(mpfr-include, | |
1436 | [AS_HELP_STRING([--with-mpfr-include=PATH], | |
1437 | [specify directory for installed MPFR include files])]) | |
1438 | AC_ARG_WITH(mpfr-lib, | |
1439 | [AS_HELP_STRING([--with-mpfr-lib=PATH], | |
1440 | [specify directory for the installed MPFR library])]) | |
1441 | ||
1442 | if test "x$with_mpfr" != x; then | |
1443 | gmplibs="-L$with_mpfr/lib $gmplibs" | |
1444 | gmpinc="-I$with_mpfr/include $gmpinc" | |
1445 | fi | |
1446 | if test "x$with_mpfr_include" != x; then | |
1447 | gmpinc="-I$with_mpfr_include $gmpinc" | |
1448 | fi | |
1449 | if test "x$with_mpfr_lib" != x; then | |
1450 | gmplibs="-L$with_mpfr_lib $gmplibs" | |
1451 | fi | |
1452 | if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then | |
1453 | # MPFR v3.1.0 moved the sources into a src sub-directory. | |
1454 | if ! test -d ${srcdir}/mpfr/src; then | |
1455 | AC_MSG_ERROR([dnl | |
1456 | Building GCC with MPFR in the source tree is only handled for MPFR 3.1.0+.]) | |
1457 | fi | |
1458 | gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs" | |
1459 | gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc" | |
1460 | extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir" | |
1461 | # Do not test the mpfr version. Assume that it is sufficient, since | |
1462 | # it is in the source tree, and the library has not been built yet | |
1463 | # but it would be included on the link line in the version check below | |
1464 | # hence making the test fail. | |
1465 | have_gmp=yes | |
1466 | fi | |
1467 | ||
1468 | # Specify a location for gmp | |
1469 | AC_ARG_WITH(gmp-dir, | |
1470 | [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])], | |
1471 | [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed. | |
1472 | Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])]) | |
1473 | ||
1474 | AC_ARG_WITH(gmp, | |
1475 | [AS_HELP_STRING([--with-gmp=PATH], | |
1476 | [specify prefix directory for the installed GMP package. | |
1477 | Equivalent to --with-gmp-include=PATH/include | |
1478 | plus --with-gmp-lib=PATH/lib])]) | |
1479 | AC_ARG_WITH(gmp-include, | |
1480 | [AS_HELP_STRING([--with-gmp-include=PATH], | |
1481 | [specify directory for installed GMP include files])]) | |
1482 | AC_ARG_WITH(gmp-lib, | |
1483 | [AS_HELP_STRING([--with-gmp-lib=PATH], | |
1484 | [specify directory for the installed GMP library])]) | |
1485 | ||
1486 | ||
1487 | if test "x$with_gmp" != x; then | |
1488 | gmplibs="-L$with_gmp/lib $gmplibs" | |
1489 | gmpinc="-I$with_gmp/include $gmpinc" | |
1490 | fi | |
1491 | if test "x$with_gmp_include" != x; then | |
1492 | gmpinc="-I$with_gmp_include $gmpinc" | |
1493 | fi | |
1494 | if test "x$with_gmp_lib" != x; then | |
1495 | gmplibs="-L$with_gmp_lib $gmplibs" | |
1496 | fi | |
1497 | if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then | |
1498 | gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs" | |
1499 | gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc" | |
1500 | extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" | |
1501 | extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" | |
1502 | extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp' | |
1503 | # Do not test the gmp version. Assume that it is sufficient, since | |
1504 | # it is in the source tree, and the library has not been built yet | |
1505 | # but it would be included on the link line in the version check below | |
1506 | # hence making the test fail. | |
1507 | have_gmp=yes | |
1508 | fi | |
1509 | ||
1510 | if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then | |
1511 | have_gmp=yes | |
1512 | saved_CFLAGS="$CFLAGS" | |
1513 | CFLAGS="$CFLAGS $gmpinc" | |
1514 | # Check for the recommended and required versions of GMP. | |
1515 | AC_MSG_CHECKING([for the correct version of gmp.h]) | |
1516 | AC_TRY_COMPILE([#include "gmp.h"],[ | |
1517 | #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) | |
1518 | #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) | |
1519 | #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3) | |
1520 | choke me | |
1521 | #endif | |
1522 | ], [AC_TRY_COMPILE([#include <gmp.h>],[ | |
1523 | #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) | |
1524 | #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) | |
1525 | #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2) | |
1526 | choke me | |
1527 | #endif | |
1528 | ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], | |
1529 | [AC_MSG_RESULT([no]); have_gmp=no]) | |
1530 | ||
1531 | # If we have GMP, check the MPFR version. | |
1532 | if test x"$have_gmp" = xyes; then | |
1533 | # Check for the recommended and required versions of MPFR. | |
1534 | AC_MSG_CHECKING([for the correct version of mpfr.h]) | |
1535 | AC_TRY_COMPILE([#include <gmp.h> | |
1536 | #include <mpfr.h>],[ | |
1537 | #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0) | |
1538 | choke me | |
1539 | #endif | |
1540 | ], [AC_TRY_COMPILE([#include <gmp.h> | |
1541 | #include <mpfr.h>],[ | |
1542 | #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2) | |
1543 | choke me | |
1544 | #endif | |
1545 | ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], | |
1546 | [AC_MSG_RESULT([no]); have_gmp=no]) | |
1547 | fi | |
1548 | ||
1549 | # Check for the MPC header version. | |
1550 | if test x"$have_gmp" = xyes ; then | |
1551 | # Check for the recommended and required versions of MPC. | |
1552 | AC_MSG_CHECKING([for the correct version of mpc.h]) | |
1553 | AC_TRY_COMPILE([#include <mpc.h>],[ | |
1554 | #if MPC_VERSION < MPC_VERSION_NUM(0,8,0) | |
1555 | choke me | |
1556 | #endif | |
1557 | ], [AC_TRY_COMPILE([#include <mpc.h>],[ | |
1558 | #if MPC_VERSION < MPC_VERSION_NUM(0,8,1) | |
1559 | choke me | |
1560 | #endif | |
1561 | ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], | |
1562 | [AC_MSG_RESULT([no]); have_gmp=no]) | |
1563 | fi | |
1564 | ||
1565 | # Now check the MPFR library. | |
1566 | if test x"$have_gmp" = xyes; then | |
1567 | saved_LIBS="$LIBS" | |
1568 | LIBS="$LIBS $gmplibs" | |
1569 | AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries]) | |
1570 | AC_TRY_LINK([#include <mpc.h>],[ | |
1571 | mpfr_t n; | |
1572 | mpfr_t x; | |
1573 | mpc_t c; | |
1574 | int t; | |
1575 | mpfr_init (n); | |
1576 | mpfr_init (x); | |
1577 | mpfr_atan2 (n, n, x, GMP_RNDN); | |
1578 | mpfr_erfc (n, x, GMP_RNDN); | |
1579 | mpfr_subnormalize (x, t, GMP_RNDN); | |
1580 | mpfr_clear(n); | |
1581 | mpfr_clear(x); | |
1582 | mpc_init2 (c, 53); | |
1583 | mpc_set_ui_ui (c, 1, 1, MPC_RNDNN); | |
1584 | mpc_cosh (c, c, MPC_RNDNN); | |
1585 | mpc_pow (c, c, c, MPC_RNDNN); | |
1586 | mpc_acosh (c, c, MPC_RNDNN); | |
1587 | mpc_clear (c); | |
1588 | ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no]) | |
1589 | LIBS="$saved_LIBS" | |
1590 | fi | |
1591 | ||
1592 | CFLAGS="$saved_CFLAGS" | |
1593 | ||
1594 | # The library versions listed in the error message below should match | |
1595 | # the HARD-minimums enforced above. | |
1596 | if test x$have_gmp != xyes; then | |
1597 | AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+. | |
1598 | Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify | |
1599 | their locations. Source code for these libraries can be found at | |
1600 | their respective hosting sites as well as at | |
1601 | ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also | |
1602 | http://gcc.gnu.org/install/prerequisites.html for additional info. If | |
1603 | you obtained GMP, MPFR and/or MPC from a vendor distribution package, | |
1604 | make sure that you have installed both the libraries and the header | |
1605 | files. They may be located in separate packages.]) | |
1606 | fi | |
1607 | fi | |
1608 | ||
1609 | # Flags needed for both GMP, MPFR and/or MPC. | |
1610 | AC_SUBST(gmplibs) | |
1611 | AC_SUBST(gmpinc) | |
1612 | AC_SUBST(extra_mpfr_configure_flags) | |
1613 | AC_SUBST(extra_mpc_gmp_configure_flags) | |
1614 | AC_SUBST(extra_mpc_mpfr_configure_flags) | |
1615 | AC_SUBST(extra_isl_gmp_configure_flags) | |
1616 | ||
1617 | # Libraries to use for stage1 or when not bootstrapping. | |
1618 | AC_ARG_WITH(stage1-libs, | |
1619 | [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])], | |
1620 | [if test "$withval" = "no" -o "$withval" = "yes"; then | |
1621 | stage1_libs= | |
1622 | else | |
1623 | stage1_libs=$withval | |
1624 | fi], | |
1625 | [stage1_libs=]) | |
1626 | AC_SUBST(stage1_libs) | |
1627 | ||
1628 | # Whether or not to use -static-libstdc++ and -static-libgcc. The | |
1629 | # default is yes if gcc is being built; no otherwise. The reason for | |
1630 | # this default is that gdb is sometimes linked against GNU Source | |
1631 | # Highlight, which is a shared library that uses C++ exceptions. In | |
1632 | # this case, -static-libstdc++ will cause crashes. | |
1633 | AC_ARG_WITH(static-standard-libraries, | |
1634 | [AS_HELP_STRING([--with-static-standard-libraries], | |
1635 | [use -static-libstdc++ and -static-libgcc (default=auto)])], | |
1636 | [], [with_static_standard_libraries=auto]) | |
1637 | if test "$with_static_standard_libraries" = auto; then | |
1638 | with_static_standard_libraries=$have_compiler | |
1639 | fi | |
1640 | ||
1641 | # Linker flags to use for stage1 or when not bootstrapping. | |
1642 | AC_ARG_WITH(stage1-ldflags, | |
1643 | [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])], | |
1644 | [if test "$withval" = "no" -o "$withval" = "yes"; then | |
1645 | stage1_ldflags= | |
1646 | else | |
1647 | stage1_ldflags=$withval | |
1648 | fi], | |
1649 | [stage1_ldflags= | |
1650 | # In stage 1, default to linking libstdc++ and libgcc statically with GCC | |
1651 | # if supported. But if the user explicitly specified the libraries to use, | |
1652 | # trust that they are doing what they want. | |
1653 | if test "$with_static_standard_libraries" = yes -a "$stage1_libs" = "" \ | |
1654 | -a "$have_static_libs" = yes; then | |
1655 | stage1_ldflags="-static-libstdc++ -static-libgcc" | |
1656 | fi]) | |
1657 | AC_SUBST(stage1_ldflags) | |
1658 | ||
1659 | # Libraries to use for stage2 and later builds. | |
1660 | AC_ARG_WITH(boot-libs, | |
1661 | [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])], | |
1662 | [if test "$withval" = "no" -o "$withval" = "yes"; then | |
1663 | poststage1_libs= | |
1664 | else | |
1665 | poststage1_libs=$withval | |
1666 | fi], | |
1667 | [poststage1_libs=]) | |
1668 | AC_SUBST(poststage1_libs) | |
1669 | ||
1670 | # Linker flags to use for stage2 and later builds. | |
1671 | AC_ARG_WITH(boot-ldflags, | |
1672 | [AS_HELP_STRING([--with-boot-ldflags=FLAGS], | |
1673 | [linker flags for stage2 and later])], | |
1674 | [if test "$withval" = "no" -o "$withval" = "yes"; then | |
1675 | poststage1_ldflags= | |
1676 | else | |
1677 | poststage1_ldflags=$withval | |
1678 | fi], | |
1679 | [poststage1_ldflags= | |
1680 | # In stages 2 and 3, default to linking libstdc++ and libgcc | |
1681 | # statically. But if the user explicitly specified the libraries to | |
1682 | # use, trust that they are doing what they want. | |
1683 | if test "$poststage1_libs" = ""; then | |
1684 | poststage1_ldflags="-static-libstdc++ -static-libgcc" | |
1685 | fi]) | |
1686 | AC_SUBST(poststage1_ldflags) | |
1687 | ||
1688 | # GCC GRAPHITE dependency isl. | |
1689 | # Basic setup is inlined here, actual checks are in config/isl.m4 | |
1690 | ||
1691 | AC_ARG_WITH(isl, | |
1692 | [AS_HELP_STRING( | |
1693 | [--with-isl=PATH], | |
1694 | [Specify prefix directory for the installed isl package. | |
1695 | Equivalent to --with-isl-include=PATH/include | |
1696 | plus --with-isl-lib=PATH/lib])]) | |
1697 | ||
1698 | # Treat --without-isl as a request to disable | |
1699 | # GRAPHITE support and skip all following checks. | |
1700 | if test "x$with_isl" != "xno"; then | |
1701 | # Check for isl | |
1702 | dnl Provide configure switches and initialize islinc & isllibs | |
1703 | dnl with user input. | |
1704 | ISL_INIT_FLAGS | |
1705 | dnl The versions of isl that work for Graphite | |
1706 | ISL_CHECK_VERSION() | |
1707 | dnl Only execute fail-action, if isl has been requested. | |
1708 | ISL_IF_FAILED([ | |
1709 | AC_MSG_ERROR([Unable to find a usable isl. See config.log for details.])]) | |
1710 | fi | |
1711 | ||
1712 | # If the isl check failed, disable builds of in-tree variant of isl | |
1713 | if test "x$with_isl" = xno || | |
1714 | test "x$gcc_cv_isl" = xno; then | |
1715 | noconfigdirs="$noconfigdirs isl" | |
1716 | islinc= | |
1717 | fi | |
1718 | ||
1719 | AC_SUBST(isllibs) | |
1720 | AC_SUBST(islinc) | |
1721 | ||
1722 | # Check for LTO support. | |
1723 | AC_ARG_ENABLE(lto, | |
1724 | [AS_HELP_STRING([--enable-lto], [enable link time optimization support])], | |
1725 | enable_lto=$enableval, | |
1726 | enable_lto=yes; default_enable_lto=yes) | |
1727 | ||
1728 | ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always. | |
1729 | build_lto_plugin=yes | |
1730 | ],[if test x"$default_enable_lto" = x"yes" ; then | |
1731 | case $target in | |
1732 | *-apple-darwin[[912]]* | *-cygwin* | *-mingw* | *djgpp*) ;; | |
1733 | # On other non-ELF platforms, LTO has yet to be validated. | |
1734 | *) enable_lto=no ;; | |
1735 | esac | |
1736 | else | |
1737 | # Apart from ELF platforms, only Windows and Darwin support LTO so far. | |
1738 | # It would also be nice to check the binutils support, but we don't | |
1739 | # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just | |
1740 | # warn during gcc/ subconfigure; unless you're bootstrapping with | |
1741 | # -flto it won't be needed until after installation anyway. | |
1742 | case $target in | |
1743 | *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;; | |
1744 | *) if test x"$enable_lto" = x"yes"; then | |
1745 | AC_MSG_ERROR([LTO support is not enabled for this target.]) | |
1746 | fi | |
1747 | ;; | |
1748 | esac | |
1749 | fi | |
1750 | # Among non-ELF, only Windows platforms support the lto-plugin so far. | |
1751 | # Build it unless LTO was explicitly disabled. | |
1752 | case $target in | |
1753 | *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;; | |
1754 | *) ;; | |
1755 | esac | |
1756 | ]) | |
1757 | ||
1758 | AC_ARG_ENABLE(linker-plugin-configure-flags, | |
1759 | [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]], | |
1760 | [additional flags for configuring linker plugins @<:@none@:>@])], | |
1761 | extra_linker_plugin_configure_flags=$enableval, | |
1762 | extra_linker_plugin_configure_flags=) | |
1763 | AC_SUBST(extra_linker_plugin_configure_flags) | |
1764 | AC_ARG_ENABLE(linker-plugin-flags, | |
1765 | [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]], | |
1766 | [additional flags for configuring and building linker plugins @<:@none@:>@])], | |
1767 | extra_linker_plugin_flags=$enableval, | |
1768 | extra_linker_plugin_flags=) | |
1769 | AC_SUBST(extra_linker_plugin_flags) | |
1770 | ||
1771 | # Enable --enable-host-shared. | |
1772 | # Checked early to determine whether jit is an 'all' language | |
1773 | AC_ARG_ENABLE(host-shared, | |
1774 | [AS_HELP_STRING([--enable-host-shared], | |
1775 | [build host code as shared libraries])], | |
1776 | [host_shared=$enableval], [host_shared=no]) | |
1777 | AC_SUBST(host_shared) | |
1778 | ||
1779 | # By default, C and C++ are the only stage 1 languages. | |
1780 | stage1_languages=,c, | |
1781 | ||
1782 | # Target libraries that we bootstrap. | |
1783 | bootstrap_target_libs=,target-libgcc, | |
1784 | ||
1785 | # Figure out what language subdirectories are present. | |
1786 | # Look if the user specified --enable-languages="..."; if not, use | |
1787 | # the environment variable $LANGUAGES if defined. $LANGUAGES might | |
1788 | # go away some day. | |
1789 | # NB: embedded tabs in this IF block -- do not untabify | |
1790 | if test -d ${srcdir}/gcc; then | |
1791 | if test x"${enable_languages+set}" != xset; then | |
1792 | if test x"${LANGUAGES+set}" = xset; then | |
1793 | enable_languages="${LANGUAGES}" | |
1794 | echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2 | |
1795 | else | |
1796 | enable_languages=default | |
1797 | fi | |
1798 | else | |
1799 | if test x"${enable_languages}" = x || | |
1800 | test x"${enable_languages}" = xyes; | |
1801 | then | |
1802 | echo configure.ac: --enable-languages needs at least one language argument 1>&2 | |
1803 | exit 1 | |
1804 | fi | |
1805 | fi | |
1806 | enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'` | |
1807 | ||
1808 | # 'f95' is the old name for the 'fortran' language. We issue a warning | |
1809 | # and make the substitution. | |
1810 | case ,${enable_languages}, in | |
1811 | *,f95,*) | |
1812 | echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2 | |
1813 | enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'` | |
1814 | ;; | |
1815 | esac | |
1816 | ||
1817 | # If bootstrapping, C++ must be enabled. | |
1818 | case ",$enable_languages,:$enable_bootstrap" in | |
1819 | *,c++,*:*) ;; | |
1820 | *:yes) | |
1821 | if test -f ${srcdir}/gcc/cp/config-lang.in; then | |
1822 | enable_languages="${enable_languages},c++" | |
1823 | else | |
1824 | AC_MSG_ERROR([bootstrapping requires c++ sources]) | |
1825 | fi | |
1826 | ;; | |
1827 | esac | |
1828 | ||
1829 | # First scan to see if an enabled language requires some other language. | |
1830 | # We assume that a given config-lang.in will list all the language | |
1831 | # front ends it requires, even if some are required indirectly. | |
1832 | for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do | |
1833 | case ${lang_frag} in | |
1834 | ..) ;; | |
1835 | # The odd quoting in the next line works around | |
1836 | # an apparent bug in bash 1.12 on linux. | |
1837 | ${srcdir}/gcc/[[*]]/config-lang.in) ;; | |
1838 | *) | |
1839 | # From the config-lang.in, get $language, $lang_requires, and | |
1840 | # $lang_requires_boot_languages. | |
1841 | language= | |
1842 | lang_requires= | |
1843 | lang_requires_boot_languages= | |
1844 | # set srcdir during sourcing lang_frag to the gcc dir. | |
1845 | # Sadly overriding srcdir on the . line doesn't work in plain sh as it | |
1846 | # polutes this shell | |
1847 | saved_srcdir=${srcdir} | |
1848 | srcdir=${srcdir}/gcc . ${lang_frag} | |
1849 | srcdir=${saved_srcdir} | |
1850 | for other in ${lang_requires} ${lang_requires_boot_languages}; do | |
1851 | case ,${enable_languages}, in | |
1852 | *,$other,*) ;; | |
1853 | *,default,*) ;; | |
1854 | *,all,*) ;; | |
1855 | *,$language,*) | |
1856 | echo " \`$other' language required by \`$language'; enabling" 1>&2 | |
1857 | enable_languages="${enable_languages},${other}" | |
1858 | ;; | |
1859 | esac | |
1860 | done | |
1861 | for other in ${lang_requires_boot_languages} ; do | |
1862 | if test "$other" != "c"; then | |
1863 | case ,${enable_stage1_languages}, in | |
1864 | *,$other,*) ;; | |
1865 | *,default,*) ;; | |
1866 | *,all,*) ;; | |
1867 | *) | |
1868 | case ,${enable_languages}, in | |
1869 | *,$language,*) | |
1870 | echo " '$other' language required by '$language' in stage 1; enabling" 1>&2 | |
1871 | enable_stage1_languages="$enable_stage1_languages,${other}" | |
1872 | ;; | |
1873 | esac | |
1874 | ;; | |
1875 | esac | |
1876 | fi | |
1877 | done | |
1878 | ;; | |
1879 | esac | |
1880 | done | |
1881 | ||
1882 | new_enable_languages=,c, | |
1883 | ||
1884 | # If LTO is enabled, add the LTO front end. | |
1885 | if test "$enable_lto" = "yes" ; then | |
1886 | case ,${enable_languages}, in | |
1887 | *,lto,*) ;; | |
1888 | *) enable_languages="${enable_languages},lto" ;; | |
1889 | esac | |
1890 | if test "${build_lto_plugin}" = "yes" ; then | |
1891 | configdirs="$configdirs lto-plugin" | |
1892 | fi | |
1893 | fi | |
1894 | ||
1895 | # If we're building an offloading compiler, add the LTO front end. | |
1896 | if test x"$enable_as_accelerator_for" != x ; then | |
1897 | case ,${enable_languages}, in | |
1898 | *,lto,*) ;; | |
1899 | *) enable_languages="${enable_languages},lto" ;; | |
1900 | esac | |
1901 | fi | |
1902 | ||
1903 | missing_languages=`echo ",$enable_languages," | sed -e s/,default,/,/ -e s/,all,/,/ -e s/,c,/,/ ` | |
1904 | potential_languages=,c, | |
1905 | ||
1906 | enabled_target_libs= | |
1907 | disabled_target_libs= | |
1908 | ||
1909 | for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do | |
1910 | case ${lang_frag} in | |
1911 | ..) ;; | |
1912 | # The odd quoting in the next line works around | |
1913 | # an apparent bug in bash 1.12 on linux. | |
1914 | ${srcdir}/gcc/[[*]]/config-lang.in) ;; | |
1915 | *) | |
1916 | # From the config-lang.in, get $language, $target_libs, | |
1917 | # $lang_dirs, $boot_language, and $build_by_default | |
1918 | language= | |
1919 | target_libs= | |
1920 | lang_dirs= | |
1921 | subdir_requires= | |
1922 | boot_language=no | |
1923 | build_by_default=yes | |
1924 | # set srcdir during sourcing. See above about save & restore | |
1925 | saved_srcdir=${srcdir} | |
1926 | srcdir=${srcdir}/gcc . ${lang_frag} | |
1927 | srcdir=${saved_srcdir} | |
1928 | if test x${language} = x; then | |
1929 | echo "${lang_frag} doesn't set \$language." 1>&2 | |
1930 | exit 1 | |
1931 | fi | |
1932 | ||
1933 | if test "$language" = "c++"; then | |
1934 | boot_language=yes | |
1935 | fi | |
1936 | ||
1937 | add_this_lang=no | |
1938 | # C is always enabled, so no need to add it again | |
1939 | if test "$language" != "c"; then | |
1940 | case ,${enable_languages}, in | |
1941 | *,${language},*) | |
1942 | # Language was explicitly selected; include it | |
1943 | add_this_lang=yes | |
1944 | ;; | |
1945 | *,all,*) | |
1946 | # All languages are enabled | |
1947 | add_this_lang=all | |
1948 | ;; | |
1949 | *,default,*) | |
1950 | # 'default' was selected, select it if it is a default language | |
1951 | add_this_lang=${build_by_default} | |
1952 | ;; | |
1953 | esac | |
1954 | fi | |
1955 | ||
1956 | # Disable languages that need other directories if these aren't available. | |
1957 | for i in $subdir_requires; do | |
1958 | test -f "$srcdir/gcc/$i/config-lang.in" && continue | |
1959 | case ${add_this_lang} in | |
1960 | yes) | |
1961 | # Specifically requested language; tell them. | |
1962 | AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing]) | |
1963 | ;; | |
1964 | all) | |
1965 | AC_MSG_WARN([The gcc/$i directory contains parts of $language but is missing]) | |
1966 | add_this_lang=unsupported | |
1967 | ;; | |
1968 | *) | |
1969 | # Silently disable. | |
1970 | add_this_lang=unsupported | |
1971 | ;; | |
1972 | esac | |
1973 | done | |
1974 | ||
1975 | # Disable Ada if no preexisting GNAT is available. | |
1976 | case ${add_this_lang}:${language}:${have_gnat} in | |
1977 | yes:ada:no) | |
1978 | # Specifically requested language; tell them. | |
1979 | AC_MSG_ERROR([GNAT is required to build $language]) | |
1980 | ;; | |
1981 | all:ada:no) | |
1982 | AC_MSG_WARN([GNAT is required to build $language]) | |
1983 | add_this_lang=unsupported | |
1984 | ;; | |
1985 | *:ada:no) | |
1986 | # Silently disable. | |
1987 | add_this_lang=unsupported | |
1988 | ;; | |
1989 | esac | |
1990 | ||
1991 | # Disable jit if -enable-host-shared not specified | |
1992 | case ${add_this_lang}:${language}:${host_shared} in | |
1993 | yes:jit:no) | |
1994 | # PR jit/64780: explicitly specify --enable-host-shared | |
1995 | AC_MSG_ERROR([ | |
1996 | Enabling language "jit" requires --enable-host-shared. | |
1997 | ||
1998 | --enable-host-shared typically slows the rest of the compiler down by | |
1999 | a few %, so you must explicitly enable it. | |
2000 | ||
2001 | If you want to build both the jit and the regular compiler, it is often | |
2002 | best to do this via two separate configure/builds, in separate | |
2003 | directories, to avoid imposing the performance cost of | |
2004 | --enable-host-shared on the regular compiler.]) | |
2005 | ;; | |
2006 | all:jit:no) | |
2007 | AC_MSG_WARN([--enable-host-shared required to build $language]) | |
2008 | add_this_lang=unsupported | |
2009 | ;; | |
2010 | *:jit:no) | |
2011 | # Silently disable. | |
2012 | add_this_lang=unsupported | |
2013 | ;; | |
2014 | esac | |
2015 | ||
2016 | # Disable a language that is unsupported by the target. | |
2017 | case "${add_this_lang}: $unsupported_languages " in | |
2018 | no:*) ;; | |
2019 | unsupported:*) ;; | |
2020 | *:*" $language "*) | |
2021 | AC_MSG_WARN([${language} not supported for this target]) | |
2022 | add_this_lang=unsupported | |
2023 | ;; | |
2024 | esac | |
2025 | ||
2026 | case $add_this_lang in | |
2027 | unsupported) | |
2028 | # Remove language-dependent dirs. | |
2029 | disabled_target_libs="$disabled_target_libs $target_libs" | |
2030 | noconfigdirs="$noconfigdirs $lang_dirs" | |
2031 | ;; | |
2032 | no) | |
2033 | # Remove language-dependent dirs; still show language as supported. | |
2034 | disabled_target_libs="$disabled_target_libs $target_libs" | |
2035 | noconfigdirs="$noconfigdirs $lang_dirs" | |
2036 | potential_languages="${potential_languages}${language}," | |
2037 | ;; | |
2038 | all|yes) | |
2039 | new_enable_languages="${new_enable_languages}${language}," | |
2040 | potential_languages="${potential_languages}${language}," | |
2041 | missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"` | |
2042 | enabled_target_libs="$enabled_target_libs $target_libs" | |
2043 | case "${boot_language}:,$enable_stage1_languages," in | |
2044 | yes:* | *:*,$language,* | *:*,yes, | *:*,all,) | |
2045 | # Add to (comma-separated) list of stage 1 languages. | |
2046 | case ",$stage1_languages," in | |
2047 | *,$language,* | ,yes, | ,all,) ;; | |
2048 | *) stage1_languages="${stage1_languages}${language}," ;; | |
2049 | esac | |
2050 | # We need to bootstrap any supporting libraries. | |
2051 | bootstrap_target_libs="${bootstrap_target_libs}${target_libs}," | |
2052 | ;; | |
2053 | esac | |
2054 | ;; | |
2055 | esac | |
2056 | ;; | |
2057 | esac | |
2058 | done | |
2059 | ||
2060 | # Add target libraries which are only needed for disabled languages | |
2061 | # to noconfigdirs. | |
2062 | if test -n "$disabled_target_libs"; then | |
2063 | for dir in $disabled_target_libs; do | |
2064 | case " $enabled_target_libs " in | |
2065 | *" ${dir} "*) ;; | |
2066 | *) noconfigdirs="$noconfigdirs $dir" ;; | |
2067 | esac | |
2068 | done | |
2069 | fi | |
2070 | ||
2071 | AC_ARG_ENABLE(stage1-languages, | |
2072 | [AS_HELP_STRING([[--enable-stage1-languages[=all]]], | |
2073 | [choose additional languages to build during | |
2074 | stage1. Mostly useful for compiler development])], | |
2075 | [case ,${enable_stage1_languages}, in | |
2076 | ,no,|,,) | |
2077 | # Set it to something that will have no effect in the loop below | |
2078 | enable_stage1_languages=c ;; | |
2079 | ,yes,) | |
2080 | enable_stage1_languages=`echo $new_enable_languages | \ | |
2081 | sed -e "s/^,//" -e "s/,$//" ` ;; | |
2082 | *,all,*) | |
2083 | enable_stage1_languages=`echo ,$enable_stage1_languages, | \ | |
2084 | sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;; | |
2085 | esac | |
2086 | ||
2087 | # Add "good" languages from enable_stage1_languages to stage1_languages, | |
2088 | # while "bad" languages go in missing_languages. Leave no duplicates. | |
2089 | for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do | |
2090 | case $potential_languages in | |
2091 | *,$i,*) | |
2092 | case $stage1_languages in | |
2093 | *,$i,*) ;; | |
2094 | *) stage1_languages="$stage1_languages$i," ;; | |
2095 | esac ;; | |
2096 | *) | |
2097 | case $missing_languages in | |
2098 | *,$i,*) ;; | |
2099 | *) missing_languages="$missing_languages$i," ;; | |
2100 | esac ;; | |
2101 | esac | |
2102 | done]) | |
2103 | ||
2104 | # Remove leading/trailing commas that were added for simplicity | |
2105 | potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"` | |
2106 | missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"` | |
2107 | stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"` | |
2108 | new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"` | |
2109 | ||
2110 | if test "x$missing_languages" != x; then | |
2111 | AC_MSG_ERROR([ | |
2112 | The following requested languages could not be built: ${missing_languages} | |
2113 | Supported languages are: ${potential_languages}]) | |
2114 | fi | |
2115 | if test "x$new_enable_languages" != "x$enable_languages"; then | |
2116 | echo The following languages will be built: ${new_enable_languages} | |
2117 | enable_languages="$new_enable_languages" | |
2118 | fi | |
2119 | ||
2120 | AC_SUBST(stage1_languages) | |
2121 | ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" ` | |
2122 | fi | |
2123 | ||
2124 | # Handle --disable-<component> generically. | |
2125 | for dir in $configdirs $build_configdirs $target_configdirs ; do | |
2126 | dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g` | |
2127 | varname=`echo $dirname | sed -e s/+/_/g` | |
2128 | if eval test x\${enable_${varname}} "=" xno ; then | |
2129 | noconfigdirs="$noconfigdirs $dir" | |
2130 | fi | |
2131 | done | |
2132 | ||
2133 | # Check for Boehm's garbage collector | |
2134 | AC_ARG_ENABLE(objc-gc, | |
2135 | [AS_HELP_STRING([--enable-objc-gc], | |
2136 | [enable use of Boehm's garbage collector with the | |
2137 | GNU Objective-C runtime])]) | |
2138 | AC_ARG_WITH([target-bdw-gc], | |
2139 | [AS_HELP_STRING([--with-target-bdw-gc=PATHLIST], | |
2140 | [specify prefix directory for installed bdw-gc package. | |
2141 | Equivalent to --with-target-bdw-gc-include=PATH/include | |
2142 | plus --with-target-bdw-gc-lib=PATH/lib])]) | |
2143 | AC_ARG_WITH([target-bdw-gc-include], | |
2144 | [AS_HELP_STRING([--with-target-bdw-gc-include=PATHLIST], | |
2145 | [specify directories for installed bdw-gc include files])]) | |
2146 | AC_ARG_WITH([target-bdw-gc-lib], | |
2147 | [AS_HELP_STRING([--with-target-bdw-gc-lib=PATHLIST], | |
2148 | [specify directories for installed bdw-gc library])]) | |
2149 | ||
2150 | case ,${enable_languages},:${enable_objc_gc} in *,objc,*:yes|*,objc,*:auto) | |
2151 | AC_MSG_CHECKING([for bdw garbage collector]) | |
2152 | if test "x$with_target_bdw_gc$with_target_bdw_gc_include$with_target_bdw_gc_lib" = x; then | |
2153 | dnl no bdw-gw options, assume default locations | |
2154 | AC_MSG_RESULT([using bdw-gc in default locations]) | |
2155 | else | |
2156 | dnl bdw-gw options, first error checking, complete checking in libobjc | |
2157 | if test "x$with_target_bdw_gc_include" = x && test "x$with_target_bdw_gc_lib" != x; then | |
2158 | AC_MSG_ERROR([found --with-target-bdw-gc-lib but --with-target-bdw-gc-include missing]) | |
2159 | elif test "x$with_target_bdw_gc_include" != x && test "x$with_target_bdw_gc_lib" = x; then | |
2160 | AC_MSG_ERROR([found --with-target-bdw-gc-include but --with-target-bdw-gc-lib missing]) | |
2161 | else | |
2162 | AC_MSG_RESULT([using paths configured with --with-target-bdw-gc options]) | |
2163 | fi | |
2164 | fi | |
2165 | esac | |
2166 | ||
2167 | # Disable libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++ | |
2168 | case ,${enable_languages}, in | |
2169 | *,c++,*) | |
2170 | # Disable libitm, libsanitizer if we're not building libstdc++ | |
2171 | case "${noconfigdirs}" in | |
2172 | *target-libstdc++-v3*) | |
2173 | noconfigdirs="$noconfigdirs target-libitm target-libsanitizer" | |
2174 | ;; | |
2175 | *) ;; | |
2176 | esac | |
2177 | ;; | |
2178 | *) | |
2179 | noconfigdirs="$noconfigdirs target-liboffloadmic target-libitm target-libsanitizer target-libvtv" | |
2180 | ;; | |
2181 | esac | |
2182 | ||
2183 | # Remove the entries in $skipdirs and $noconfigdirs from $configdirs, | |
2184 | # $build_configdirs and $target_configdirs. | |
2185 | # If we have the source for $noconfigdirs entries, add them to $notsupp. | |
2186 | ||
2187 | notsupp="" | |
2188 | for dir in . $skipdirs $noconfigdirs ; do | |
2189 | dirname=`echo $dir | sed -e s/target-//g -e s/build-//g` | |
2190 | if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then | |
2191 | configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"` | |
2192 | if test -r $srcdir/$dirname/configure ; then | |
2193 | if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then | |
2194 | true | |
2195 | else | |
2196 | notsupp="$notsupp $dir" | |
2197 | fi | |
2198 | fi | |
2199 | fi | |
2200 | if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then | |
2201 | build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"` | |
2202 | if test -r $srcdir/$dirname/configure ; then | |
2203 | if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then | |
2204 | true | |
2205 | else | |
2206 | notsupp="$notsupp $dir" | |
2207 | fi | |
2208 | fi | |
2209 | fi | |
2210 | if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then | |
2211 | target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"` | |
2212 | if test -r $srcdir/$dirname/configure ; then | |
2213 | if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then | |
2214 | true | |
2215 | else | |
2216 | notsupp="$notsupp $dir" | |
2217 | fi | |
2218 | fi | |
2219 | fi | |
2220 | done | |
2221 | ||
2222 | # Quietly strip out all directories which aren't configurable in this tree. | |
2223 | # This relies on all configurable subdirectories being autoconfiscated, which | |
2224 | # is now the case. | |
2225 | build_configdirs_all="$build_configdirs" | |
2226 | build_configdirs= | |
2227 | for i in ${build_configdirs_all} ; do | |
2228 | j=`echo $i | sed -e s/build-//g` | |
2229 | if test -f ${srcdir}/$j/configure ; then | |
2230 | build_configdirs="${build_configdirs} $i" | |
2231 | fi | |
2232 | done | |
2233 | ||
2234 | configdirs_all="$configdirs" | |
2235 | configdirs= | |
2236 | for i in ${configdirs_all} ; do | |
2237 | if test -f ${srcdir}/$i/configure ; then | |
2238 | configdirs="${configdirs} $i" | |
2239 | fi | |
2240 | done | |
2241 | ||
2242 | target_configdirs_all="$target_configdirs" | |
2243 | target_configdirs= | |
2244 | for i in ${target_configdirs_all} ; do | |
2245 | j=`echo $i | sed -e s/target-//g` | |
2246 | if test -f ${srcdir}/$j/configure ; then | |
2247 | target_configdirs="${target_configdirs} $i" | |
2248 | fi | |
2249 | done | |
2250 | ||
2251 | # libiberty-linker-plugin is special: it doesn't have its own source directory, | |
2252 | # so we have to add it after the preceding checks. | |
2253 | if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x | |
2254 | then | |
2255 | case " $configdirs " in | |
2256 | *" libiberty "*) | |
2257 | # If we can build libiberty, we can also build libiberty-linker-plugin. | |
2258 | configdirs="$configdirs libiberty-linker-plugin" | |
2259 | extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \ | |
2260 | --with-libiberty=../libiberty-linker-plugin";; | |
2261 | *) | |
2262 | AC_MSG_ERROR([libiberty missing]);; | |
2263 | esac | |
2264 | fi | |
2265 | ||
2266 | # Sometimes we have special requirements for the host libiberty. | |
2267 | extra_host_libiberty_configure_flags= | |
2268 | extra_host_zlib_configure_flags= | |
2269 | case " $configdirs " in | |
2270 | *" lto-plugin "* | *" libcc1 "*) | |
2271 | # When these are to be built as shared libraries, the same applies to | |
2272 | # libiberty. | |
2273 | extra_host_libiberty_configure_flags=--enable-shared | |
2274 | ;; | |
2275 | *" bfd "*) | |
2276 | # When bfd is to be built as a shared library, the same applies to | |
2277 | # zlib. | |
2278 | if test "$enable_shared" = "yes"; then | |
2279 | extra_host_zlib_configure_flags=--enable-host-shared | |
2280 | fi | |
2281 | ;; | |
2282 | esac | |
2283 | AC_SUBST(extra_host_libiberty_configure_flags) | |
2284 | AC_SUBST(extra_host_zlib_configure_flags) | |
2285 | ||
2286 | # Produce a warning message for the subdirs we can't configure. | |
2287 | # This isn't especially interesting in the Cygnus tree, but in the individual | |
2288 | # FSF releases, it's important to let people know when their machine isn't | |
2289 | # supported by the one or two programs in a package. | |
2290 | ||
2291 | if test -n "${notsupp}" && test -z "${norecursion}" ; then | |
2292 | # If $appdirs is non-empty, at least one of those directories must still | |
2293 | # be configured, or we error out. (E.g., if the gas release supports a | |
2294 | # specified target in some subdirs but not the gas subdir, we shouldn't | |
2295 | # pretend that all is well.) | |
2296 | if test -n "$appdirs" ; then | |
2297 | for dir in $appdirs ; do | |
2298 | if test -r $dir/Makefile.in ; then | |
2299 | if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then | |
2300 | appdirs="" | |
2301 | break | |
2302 | fi | |
2303 | if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then | |
2304 | appdirs="" | |
2305 | break | |
2306 | fi | |
2307 | fi | |
2308 | done | |
2309 | if test -n "$appdirs" ; then | |
2310 | echo "*** This configuration is not supported by this package." 1>&2 | |
2311 | exit 1 | |
2312 | fi | |
2313 | fi | |
2314 | # Okay, some application will build, or we don't care to check. Still | |
2315 | # notify of subdirs not getting built. | |
2316 | echo "*** This configuration is not supported in the following subdirectories:" 1>&2 | |
2317 | echo " ${notsupp}" 1>&2 | |
2318 | echo " (Any other directories should still work fine.)" 1>&2 | |
2319 | fi | |
2320 | ||
2321 | case "$host" in | |
2322 | *msdosdjgpp*) | |
2323 | enable_gdbtk=no ;; | |
2324 | esac | |
2325 | ||
2326 | # To find our prefix, in gcc_cv_tool_prefix. | |
2327 | ACX_TOOL_DIRS | |
2328 | ||
2329 | copy_dirs= | |
2330 | ||
2331 | AC_ARG_WITH([build-sysroot], | |
2332 | [AS_HELP_STRING([--with-build-sysroot=SYSROOT], | |
2333 | [use sysroot as the system root during the build])], | |
2334 | [if test x"$withval" != x ; then | |
2335 | SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval" | |
2336 | fi], | |
2337 | [SYSROOT_CFLAGS_FOR_TARGET=]) | |
2338 | AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET) | |
2339 | ||
2340 | AC_ARG_WITH([debug-prefix-map], | |
2341 | [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'], | |
2342 | [map A to B, C to D ... in debug information])], | |
2343 | [if test x"$withval" != x; then | |
2344 | DEBUG_PREFIX_CFLAGS_FOR_TARGET= | |
2345 | for debug_map in $withval; do | |
2346 | DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map" | |
2347 | done | |
2348 | fi], | |
2349 | [DEBUG_PREFIX_CFLAGS_FOR_TARGET=]) | |
2350 | AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET) | |
2351 | ||
2352 | # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS | |
2353 | # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS | |
2354 | # might also be empty (or "-g", if a non-GCC C++ compiler is in the path). | |
2355 | # We want to ensure that TARGET libraries (which we know are built with | |
2356 | # gcc) are built with "-O2 -g", so include those options when setting | |
2357 | # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET. | |
2358 | if test "x$CFLAGS_FOR_TARGET" = x; then | |
2359 | if test "x${is_cross_compiler}" = xyes; then | |
2360 | CFLAGS_FOR_TARGET="-g -O2" | |
2361 | else | |
2362 | CFLAGS_FOR_TARGET=$CFLAGS | |
2363 | case " $CFLAGS " in | |
2364 | *" -O2 "*) ;; | |
2365 | *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;; | |
2366 | esac | |
2367 | case " $CFLAGS " in | |
2368 | *" -g "* | *" -g3 "*) ;; | |
2369 | *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;; | |
2370 | esac | |
2371 | fi | |
2372 | fi | |
2373 | AC_SUBST(CFLAGS_FOR_TARGET) | |
2374 | ||
2375 | if test "x$CXXFLAGS_FOR_TARGET" = x; then | |
2376 | if test "x${is_cross_compiler}" = xyes; then | |
2377 | CXXFLAGS_FOR_TARGET="-g -O2" | |
2378 | else | |
2379 | CXXFLAGS_FOR_TARGET=$CXXFLAGS | |
2380 | case " $CXXFLAGS " in | |
2381 | *" -O2 "*) ;; | |
2382 | *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;; | |
2383 | esac | |
2384 | case " $CXXFLAGS " in | |
2385 | *" -g "* | *" -g3 "*) ;; | |
2386 | *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;; | |
2387 | esac | |
2388 | fi | |
2389 | fi | |
2390 | AC_SUBST(CXXFLAGS_FOR_TARGET) | |
2391 | ||
2392 | AC_SUBST(LDFLAGS_FOR_TARGET) | |
2393 | ||
2394 | # Handle --with-headers=XXX. If the value is not "yes", the contents of | |
2395 | # the named directory are copied to $(tooldir)/sys-include. | |
2396 | if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then | |
2397 | if test x${is_cross_compiler} = xno ; then | |
2398 | echo 1>&2 '***' --with-headers is only supported when cross compiling | |
2399 | exit 1 | |
2400 | fi | |
2401 | if test x"${with_headers}" != xyes ; then | |
2402 | x=${gcc_cv_tool_prefix} | |
2403 | copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include" | |
2404 | fi | |
2405 | fi | |
2406 | ||
2407 | # Handle --with-libs=XXX. If the value is not "yes", the contents of | |
2408 | # the name directories are copied to $(tooldir)/lib. Multiple directories | |
2409 | # are permitted. | |
2410 | if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then | |
2411 | if test x${is_cross_compiler} = xno ; then | |
2412 | echo 1>&2 '***' --with-libs is only supported when cross compiling | |
2413 | exit 1 | |
2414 | fi | |
2415 | if test x"${with_libs}" != xyes ; then | |
2416 | # Copy the libraries in reverse order, so that files in the first named | |
2417 | # library override files in subsequent libraries. | |
2418 | x=${gcc_cv_tool_prefix} | |
2419 | for l in ${with_libs}; do | |
2420 | copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}" | |
2421 | done | |
2422 | fi | |
2423 | fi | |
2424 | ||
2425 | # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate. | |
2426 | # | |
2427 | # This is done by determining whether or not the appropriate directory | |
2428 | # is available, and by checking whether or not specific configurations | |
2429 | # have requested that this magic not happen. | |
2430 | # | |
2431 | # The command line options always override the explicit settings in | |
2432 | # configure.ac, and the settings in configure.ac override this magic. | |
2433 | # | |
2434 | # If the default for a toolchain is to use GNU as and ld, and you don't | |
2435 | # want to do that, then you should use the --without-gnu-as and | |
2436 | # --without-gnu-ld options for the configure script. Similarly, if | |
2437 | # the default is to use the included zlib and you don't want to do that, | |
2438 | # you should use the --with-system-zlib option for the configure script. | |
2439 | ||
2440 | if test x${use_gnu_as} = x && | |
2441 | echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then | |
2442 | with_gnu_as=yes | |
2443 | extra_host_args="$extra_host_args --with-gnu-as" | |
2444 | fi | |
2445 | ||
2446 | if test x${use_gnu_ld} = x && | |
2447 | echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then | |
2448 | with_gnu_ld=yes | |
2449 | extra_host_args="$extra_host_args --with-gnu-ld" | |
2450 | fi | |
2451 | ||
2452 | if test x${use_included_zlib} = x && | |
2453 | echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then | |
2454 | : | |
2455 | else | |
2456 | with_system_zlib=yes | |
2457 | extra_host_args="$extra_host_args --with-system-zlib" | |
2458 | fi | |
2459 | ||
2460 | # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure | |
2461 | # can detect this case. | |
2462 | ||
2463 | if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then | |
2464 | with_newlib=yes | |
2465 | extra_host_args="$extra_host_args --with-newlib" | |
2466 | fi | |
2467 | ||
2468 | # Handle ${copy_dirs} | |
2469 | set fnord ${copy_dirs} | |
2470 | shift | |
2471 | while test $# != 0 ; do | |
2472 | if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then | |
2473 | : | |
2474 | else | |
2475 | echo Copying $1 to $2 | |
2476 | ||
2477 | # Use the install script to create the directory and all required | |
2478 | # parent directories. | |
2479 | if test -d $2 ; then | |
2480 | : | |
2481 | else | |
2482 | echo >config.temp | |
2483 | ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED | |
2484 | fi | |
2485 | ||
2486 | # Copy the directory, assuming we have tar. | |
2487 | # FIXME: Should we use B in the second tar? Not all systems support it. | |
2488 | (cd $1; tar -cf - .) | (cd $2; tar -xpf -) | |
2489 | ||
2490 | # It is the responsibility of the user to correctly adjust all | |
2491 | # symlinks. If somebody can figure out how to handle them correctly | |
2492 | # here, feel free to add the code. | |
2493 | ||
2494 | echo $1 > $2/COPIED | |
2495 | fi | |
2496 | shift; shift | |
2497 | done | |
2498 | ||
2499 | # Determine a target-dependent exec_prefix that the installed | |
2500 | # gcc will search in. Keep this list sorted by triplet, with | |
2501 | # the *-*-osname triplets last. | |
2502 | md_exec_prefix= | |
2503 | case "${target}" in | |
2504 | i[[34567]]86-pc-msdosdjgpp*) | |
2505 | md_exec_prefix=/dev/env/DJDIR/bin | |
2506 | ;; | |
2507 | *-*-hpux* | \ | |
2508 | *-*-nto-qnx* | \ | |
2509 | *-*-solaris2*) | |
2510 | md_exec_prefix=/usr/ccs/bin | |
2511 | ;; | |
2512 | esac | |
2513 | ||
2514 | extra_arflags_for_target= | |
2515 | extra_nmflags_for_target= | |
2516 | extra_ranlibflags_for_target= | |
2517 | target_makefile_frag=/dev/null | |
2518 | case "${target}" in | |
2519 | spu-*-*) | |
2520 | target_makefile_frag="config/mt-spu" | |
2521 | ;; | |
2522 | mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) | |
2523 | target_makefile_frag="config/mt-sde" | |
2524 | ;; | |
2525 | mipsisa*-*-elfoabi*) | |
2526 | target_makefile_frag="config/mt-mips-elfoabi" | |
2527 | ;; | |
2528 | mips*-*-*linux* | mips*-*-gnu*) | |
2529 | target_makefile_frag="config/mt-mips-gnu" | |
2530 | ;; | |
2531 | nios2-*-elf*) | |
2532 | target_makefile_frag="config/mt-nios2-elf" | |
2533 | ;; | |
2534 | *-*-linux-android*) | |
2535 | target_makefile_frag="config/mt-android" | |
2536 | ;; | |
2537 | *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) | |
2538 | target_makefile_frag="config/mt-gnu" | |
2539 | ;; | |
2540 | *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*) | |
2541 | # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm | |
2542 | # commands to handle both 32-bit and 64-bit objects. These flags are | |
2543 | # harmless if we're using GNU nm or ar. | |
2544 | extra_arflags_for_target=" -X32_64" | |
2545 | extra_nmflags_for_target=" -B -X32_64" | |
2546 | ;; | |
2547 | esac | |
2548 | ||
2549 | alphaieee_frag=/dev/null | |
2550 | case $target in | |
2551 | alpha*-*-*) | |
2552 | # This just makes sure to use the -mieee option to build target libs. | |
2553 | # This should probably be set individually by each library. | |
2554 | alphaieee_frag="config/mt-alphaieee" | |
2555 | ;; | |
2556 | esac | |
2557 | ||
2558 | # If --enable-target-optspace always use -Os instead of -O2 to build | |
2559 | # the target libraries, similarly if it is not specified, use -Os | |
2560 | # on selected platforms. | |
2561 | ospace_frag=/dev/null | |
2562 | case "${enable_target_optspace}:${target}" in | |
2563 | yes:*) | |
2564 | ospace_frag="config/mt-ospace" | |
2565 | ;; | |
2566 | :d30v-*) | |
2567 | ospace_frag="config/mt-d30v" | |
2568 | ;; | |
2569 | :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu) | |
2570 | ospace_frag="config/mt-ospace" | |
2571 | ;; | |
2572 | no:* | :*) | |
2573 | ;; | |
2574 | *) | |
2575 | echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2 | |
2576 | ;; | |
2577 | esac | |
2578 | ||
2579 | # Some systems (e.g., one of the i386-aix systems the gas testers are | |
2580 | # using) don't handle "\$" correctly, so don't use it here. | |
2581 | tooldir='${exec_prefix}'/${target_noncanonical} | |
2582 | build_tooldir=${tooldir} | |
2583 | ||
2584 | # Create a .gdbinit file which runs the one in srcdir | |
2585 | # and tells GDB to look there for source files. | |
2586 | ||
2587 | if test -r ${srcdir}/.gdbinit ; then | |
2588 | case ${srcdir} in | |
2589 | .) ;; | |
2590 | *) cat > ./.gdbinit <<EOF | |
2591 | # ${NO_EDIT} | |
2592 | dir ${srcdir} | |
2593 | dir . | |
2594 | source ${srcdir}/.gdbinit | |
2595 | EOF | |
2596 | ;; | |
2597 | esac | |
2598 | fi | |
2599 | ||
2600 | # Make sure that the compiler is able to generate an executable. If it | |
2601 | # can't, we are probably in trouble. We don't care whether we can run the | |
2602 | # executable--we might be using a cross compiler--we only care whether it | |
2603 | # can be created. At this point the main configure script has set CC. | |
2604 | we_are_ok=no | |
2605 | echo "int main () { return 0; }" > conftest.c | |
2606 | ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c | |
2607 | if test $? = 0 ; then | |
2608 | if test -s conftest || test -s conftest.exe ; then | |
2609 | we_are_ok=yes | |
2610 | fi | |
2611 | fi | |
2612 | case $we_are_ok in | |
2613 | no) | |
2614 | echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed." | |
2615 | echo 1>&2 "*** You must set the environment variable CC to a working compiler." | |
2616 | rm -f conftest* | |
2617 | exit 1 | |
2618 | ;; | |
2619 | esac | |
2620 | rm -f conftest* | |
2621 | ||
2622 | # Decide which environment variable is used to find dynamic libraries. | |
2623 | case "${host}" in | |
2624 | *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;; | |
2625 | *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;; | |
2626 | *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;; | |
2627 | *) RPATH_ENVVAR=LD_LIBRARY_PATH ;; | |
2628 | esac | |
2629 | ||
2630 | # On systems where the dynamic library environment variable is PATH, | |
2631 | # gcc/ will put dynamic libraries into a subdirectory to avoid adding | |
2632 | # built executables to PATH. | |
2633 | if test "$RPATH_ENVVAR" = PATH; then | |
2634 | GCC_SHLIB_SUBDIR=/shlib | |
2635 | else | |
2636 | GCC_SHLIB_SUBDIR= | |
2637 | fi | |
2638 | ||
2639 | # Adjust the toplevel makefile according to whether bootstrap was selected. | |
2640 | case $enable_bootstrap in | |
2641 | yes) | |
2642 | bootstrap_suffix=bootstrap | |
2643 | BUILD_CONFIG=bootstrap-debug | |
2644 | ;; | |
2645 | no) | |
2646 | bootstrap_suffix=no-bootstrap | |
2647 | BUILD_CONFIG= | |
2648 | ;; | |
2649 | esac | |
2650 | ||
2651 | AC_MSG_CHECKING(for default BUILD_CONFIG) | |
2652 | ||
2653 | AC_ARG_WITH([build-config], | |
2654 | [AS_HELP_STRING([--with-build-config='NAME NAME2...'], | |
2655 | [use config/NAME.mk build configuration])], | |
2656 | [case $with_build_config in | |
2657 | yes) with_build_config= ;; | |
2658 | no) with_build_config= BUILD_CONFIG= ;; | |
2659 | esac]) | |
2660 | ||
2661 | if test "x${with_build_config}" != x; then | |
2662 | BUILD_CONFIG=$with_build_config | |
2663 | else | |
2664 | case $BUILD_CONFIG in | |
2665 | bootstrap-debug) | |
2666 | if echo "int f (void) { return 0; }" > conftest.c && | |
2667 | ${CC} -c conftest.c && | |
2668 | mv conftest.o conftest.o.g0 && | |
2669 | ${CC} -c -g conftest.c && | |
2670 | mv conftest.o conftest.o.g && | |
2671 | ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then | |
2672 | : | |
2673 | else | |
2674 | BUILD_CONFIG= | |
2675 | fi | |
2676 | rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g | |
2677 | ;; | |
2678 | esac | |
2679 | fi | |
2680 | AC_MSG_RESULT($BUILD_CONFIG) | |
2681 | AC_SUBST(BUILD_CONFIG) | |
2682 | ||
2683 | # Use same top-level configure hooks in libgcc/libstdc++/libvtv. | |
2684 | AC_MSG_CHECKING([for --enable-vtable-verify]) | |
2685 | AC_ARG_ENABLE(vtable-verify, | |
2686 | [AS_HELP_STRING([--enable-vtable-verify], | |
2687 | [Enable vtable verification feature])], | |
2688 | [case "$enableval" in | |
2689 | yes) enable_vtable_verify=yes ;; | |
2690 | no) enable_vtable_verify=no ;; | |
2691 | *) enable_vtable_verify=no;; | |
2692 | esac], | |
2693 | [enable_vtable_verify=no]) | |
2694 | AC_MSG_RESULT($enable_vtable_verify) | |
2695 | ||
2696 | # Record target_configdirs and the configure arguments for target and | |
2697 | # build configuration in Makefile. | |
2698 | target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'` | |
2699 | build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'` | |
2700 | bootstrap_fixincludes=no | |
2701 | ||
2702 | # If we are building libgomp, bootstrap it. | |
2703 | if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then | |
2704 | bootstrap_target_libs=${bootstrap_target_libs}target-libgomp, | |
2705 | fi | |
2706 | ||
2707 | # If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan | |
2708 | # or bootstrap-ubsan, bootstrap it. | |
2709 | if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then | |
2710 | case "$BUILD_CONFIG" in | |
2711 | *bootstrap-asan* | *bootstrap-ubsan* ) | |
2712 | bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer, | |
2713 | bootstrap_fixincludes=yes | |
2714 | ;; | |
2715 | esac | |
2716 | fi | |
2717 | ||
2718 | # If we are building libvtv and --enable-vtable-verify, bootstrap it. | |
2719 | if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 && | |
2720 | test "$enable_vtable_verify" != no; then | |
2721 | bootstrap_target_libs=${bootstrap_target_libs}target-libvtv, | |
2722 | fi | |
2723 | ||
2724 | # Determine whether gdb needs tk/tcl or not. | |
2725 | # Use 'maybe' since enable_gdbtk might be true even if tk isn't available | |
2726 | # and in that case we want gdb to be built without tk. Ugh! | |
2727 | # In fact I believe gdb is the *only* package directly dependent on tk, | |
2728 | # so we should be able to put the 'maybe's in unconditionally and | |
2729 | # leave out the maybe dependencies when enable_gdbtk is false. I'm not | |
2730 | # 100% sure that that's safe though. | |
2731 | ||
2732 | gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui" | |
2733 | case "$enable_gdbtk" in | |
2734 | no) | |
2735 | GDB_TK="" ;; | |
2736 | yes) | |
2737 | GDB_TK="${gdb_tk}" ;; | |
2738 | *) | |
2739 | # Only add the dependency on gdbtk when GDBtk is part of the gdb | |
2740 | # distro. Eventually someone will fix this and move Insight, nee | |
2741 | # gdbtk to a separate directory. | |
2742 | if test -d ${srcdir}/gdb/gdbtk ; then | |
2743 | GDB_TK="${gdb_tk}" | |
2744 | else | |
2745 | GDB_TK="" | |
2746 | fi | |
2747 | ;; | |
2748 | esac | |
2749 | CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g` | |
2750 | INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g` | |
2751 | ||
2752 | # gdb and gdbserver depend on gnulib and gdbsupport, but as nothing | |
2753 | # else does, only include them if one of these is built. The Makefile | |
2754 | # provides the ordering, so it's enough here to add to the list. | |
2755 | case " ${configdirs} " in | |
2756 | *\ gdb\ *) | |
2757 | configdirs="${configdirs} gnulib gdbsupport" | |
2758 | ;; | |
2759 | *\ gdbserver\ *) | |
2760 | configdirs="${configdirs} gnulib gdbsupport" | |
2761 | ;; | |
2762 | esac | |
2763 | ||
2764 | # Strip out unwanted targets. | |
2765 | ||
2766 | # While at that, we remove Makefiles if we were started for recursive | |
2767 | # configuration, so that the top-level Makefile reconfigures them, | |
2768 | # like we used to do when configure itself was recursive. | |
2769 | ||
2770 | # Loop over modules. We used to use the "$extrasub" feature from Autoconf | |
2771 | # but now we're fixing up the Makefile ourselves with the additional | |
2772 | # commands passed to AC_CONFIG_FILES. Use separate variables | |
2773 | # extrasub-{build,host,target} not because there is any reason to split | |
2774 | # the substitutions up that way, but only to remain below the limit of | |
2775 | # 99 commands in a script, for HP-UX sed. | |
2776 | ||
2777 | # Do not nest @if/@endif or @unless/@endunless pairs, because | |
2778 | # configure will not warn you at all. | |
2779 | ||
2780 | case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in | |
2781 | yes:yes:*\ gold\ *:*,c++,*) ;; | |
2782 | yes:yes:*\ gold\ *:*) | |
2783 | AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages]) | |
2784 | ;; | |
2785 | esac | |
2786 | ||
2787 | extrasub_build= | |
2788 | for module in ${build_configdirs} ; do | |
2789 | if test -z "${no_recursion}" \ | |
2790 | && test -f ${build_subdir}/${module}/Makefile; then | |
2791 | echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure" | |
2792 | rm -f ${build_subdir}/${module}/Makefile | |
2793 | fi | |
2794 | extrasub_build="$extrasub_build | |
2795 | /^@if build-$module\$/d | |
2796 | /^@endif build-$module\$/d | |
2797 | /^@unless build-$module\$/,/^@endunless build-$module\$/d | |
2798 | /^@if build-$module-$bootstrap_suffix\$/d | |
2799 | /^@endif build-$module-$bootstrap_suffix\$/d | |
2800 | /^@unless build-$module-$bootstrap_suffix\$/,/^@endunless build-$module-$bootstrap_suffix\$/d" | |
2801 | done | |
2802 | extrasub_host= | |
2803 | for module in ${configdirs} ; do | |
2804 | if test -z "${no_recursion}"; then | |
2805 | for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do | |
2806 | if test -f ${file}; then | |
2807 | echo 1>&2 "*** removing ${file} to force reconfigure" | |
2808 | rm -f ${file} | |
2809 | fi | |
2810 | done | |
2811 | fi | |
2812 | case ${module},${bootstrap_fixincludes} in | |
2813 | fixincludes,no) host_bootstrap_suffix=no-bootstrap ;; | |
2814 | *) host_bootstrap_suffix=$bootstrap_suffix ;; | |
2815 | esac | |
2816 | extrasub_host="$extrasub_host | |
2817 | /^@if $module\$/d | |
2818 | /^@endif $module\$/d | |
2819 | /^@unless $module\$/,/^@endunless $module\$/d | |
2820 | /^@if $module-$host_bootstrap_suffix\$/d | |
2821 | /^@endif $module-$host_bootstrap_suffix\$/d | |
2822 | /^@unless $module-$host_bootstrap_suffix\$/,/^@endunless $module-$host_bootstrap_suffix\$/d" | |
2823 | done | |
2824 | extrasub_target= | |
2825 | for module in ${target_configdirs} ; do | |
2826 | if test -z "${no_recursion}" \ | |
2827 | && test -f ${target_subdir}/${module}/Makefile; then | |
2828 | echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure" | |
2829 | rm -f ${target_subdir}/${module}/Makefile | |
2830 | fi | |
2831 | ||
2832 | # We only bootstrap target libraries listed in bootstrap_target_libs. | |
2833 | case $bootstrap_target_libs in | |
2834 | *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;; | |
2835 | *) target_bootstrap_suffix=no-bootstrap ;; | |
2836 | esac | |
2837 | ||
2838 | extrasub_target="$extrasub_target | |
2839 | /^@if target-$module\$/d | |
2840 | /^@endif target-$module\$/d | |
2841 | /^@unless target-$module\$/,/^@endunless target-$module\$/d | |
2842 | /^@if target-$module-$target_bootstrap_suffix\$/d | |
2843 | /^@endif target-$module-$target_bootstrap_suffix\$/d | |
2844 | /^@unless target-$module-$target_bootstrap_suffix\$/,/^@endunless target-$module-$target_bootstrap_suffix\$/d" | |
2845 | done | |
2846 | ||
2847 | # Do the final fixup along with target modules. | |
2848 | extrasub_target="$extrasub_target | |
2849 | /^@if /,/^@endif /d | |
2850 | /^@unless /d | |
2851 | /^@endunless /d" | |
2852 | ||
2853 | # Create the serialization dependencies. This uses a temporary file. | |
2854 | ||
2855 | AC_ARG_ENABLE([serial-configure], | |
2856 | [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]], | |
2857 | [force sequential configuration of | |
2858 | sub-packages for the host, target or build | |
2859 | machine, or all sub-packages])]) | |
2860 | ||
2861 | case ${enable_serial_configure} in | |
2862 | yes) | |
2863 | enable_serial_build_configure=yes | |
2864 | enable_serial_host_configure=yes | |
2865 | enable_serial_target_configure=yes | |
2866 | ;; | |
2867 | esac | |
2868 | ||
2869 | # These force 'configure's to be done one at a time, to avoid problems | |
2870 | # with contention over a shared config.cache. | |
2871 | rm -f serdep.tmp | |
2872 | echo '# serdep.tmp' > serdep.tmp | |
2873 | olditem= | |
2874 | test "x${enable_serial_build_configure}" = xyes && | |
2875 | for item in ${build_configdirs} ; do | |
2876 | case ${olditem} in | |
2877 | "") ;; | |
2878 | *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;; | |
2879 | esac | |
2880 | olditem=${item} | |
2881 | done | |
2882 | olditem= | |
2883 | test "x${enable_serial_host_configure}" = xyes && | |
2884 | for item in ${configdirs} ; do | |
2885 | case ${olditem} in | |
2886 | "") ;; | |
2887 | *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;; | |
2888 | esac | |
2889 | olditem=${item} | |
2890 | done | |
2891 | olditem= | |
2892 | test "x${enable_serial_target_configure}" = xyes && | |
2893 | for item in ${target_configdirs} ; do | |
2894 | case ${olditem} in | |
2895 | "") ;; | |
2896 | *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;; | |
2897 | esac | |
2898 | olditem=${item} | |
2899 | done | |
2900 | serialization_dependencies=serdep.tmp | |
2901 | AC_SUBST_FILE(serialization_dependencies) | |
2902 | ||
2903 | # Base args. Strip norecursion, cache-file, srcdir, host, build, | |
2904 | # target, nonopt, and variable assignments. These are the ones we | |
2905 | # might not want to pass down to subconfigures. The exception being | |
2906 | # --cache-file=/dev/null, which is used to turn off the use of cache | |
2907 | # files altogether, and which should be passed on to subconfigures. | |
2908 | # Also strip program-prefix, program-suffix, and program-transform-name, | |
2909 | # so that we can pass down a consistent program-transform-name. | |
2910 | baseargs= | |
2911 | tbaseargs= | |
2912 | keep_next=no | |
2913 | skip_next=no | |
2914 | eval "set -- $ac_configure_args" | |
2915 | for ac_arg | |
2916 | do | |
2917 | if test X"$skip_next" = X"yes"; then | |
2918 | skip_next=no | |
2919 | continue | |
2920 | fi | |
2921 | if test X"$keep_next" = X"yes"; then | |
2922 | case $ac_arg in | |
2923 | *\'*) | |
2924 | ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; | |
2925 | esac | |
2926 | baseargs="$baseargs '$ac_arg'" | |
2927 | tbaseargs="$tbaseargs '$ac_arg'" | |
2928 | keep_next=no | |
2929 | continue | |
2930 | fi | |
2931 | ||
2932 | # Handle separated arguments. Based on the logic generated by | |
2933 | # autoconf 2.59. | |
2934 | case $ac_arg in | |
2935 | *=* | --config-cache | -C | -disable-* | --disable-* \ | |
2936 | | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \ | |
2937 | | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \ | |
2938 | | -with-* | --with-* | -without-* | --without-* | --x) | |
2939 | separate_arg=no | |
2940 | ;; | |
2941 | -*) | |
2942 | separate_arg=yes | |
2943 | ;; | |
2944 | *) | |
2945 | separate_arg=no | |
2946 | ;; | |
2947 | esac | |
2948 | ||
2949 | skip_targ=no | |
2950 | case $ac_arg in | |
2951 | changequote(,) | |
2952 | --with-* | --without-*) | |
2953 | libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'` | |
2954 | ||
2955 | case $libopt in | |
2956 | *[-_]include) | |
2957 | lib=`echo "$libopt" | sed 's,[-_]include$,,'` | |
2958 | ;; | |
2959 | *[-_]lib) | |
2960 | lib=`echo "$libopt" | sed 's,[-_]lib$,,'` | |
2961 | ;; | |
2962 | *) | |
2963 | lib=$libopt | |
2964 | ;; | |
2965 | esac | |
2966 | changequote([,]) | |
2967 | ||
2968 | case $lib in | |
2969 | mpc | mpfr | gmp | isl) | |
2970 | # If we're processing --with-$lib, --with-$lib-include or | |
2971 | # --with-$lib-lib, for one of the libs above, and target is | |
2972 | # different from host, don't pass the current argument to any | |
2973 | # target library's configure. | |
2974 | if test x$is_cross_compiler = xyes; then | |
2975 | skip_targ=yes | |
2976 | fi | |
2977 | ;; | |
2978 | esac | |
2979 | ;; | |
2980 | esac | |
2981 | ||
2982 | case "$ac_arg" in | |
2983 | --cache-file=/dev/null | \ | |
2984 | -cache-file=/dev/null ) | |
2985 | # Handled here to avoid the test to skip args below. | |
2986 | baseargs="$baseargs '$ac_arg'" | |
2987 | tbaseargs="$tbaseargs '$ac_arg'" | |
2988 | # Assert: $separate_arg should always be no. | |
2989 | keep_next=$separate_arg | |
2990 | ;; | |
2991 | --no*) | |
2992 | continue | |
2993 | ;; | |
2994 | --c* | \ | |
2995 | --sr* | \ | |
2996 | --ho* | \ | |
2997 | --bu* | \ | |
2998 | --t* | \ | |
2999 | --program-* | \ | |
3000 | -cache_file* | \ | |
3001 | -srcdir* | \ | |
3002 | -host* | \ | |
3003 | -build* | \ | |
3004 | -target* | \ | |
3005 | -program-prefix* | \ | |
3006 | -program-suffix* | \ | |
3007 | -program-transform-name* ) | |
3008 | skip_next=$separate_arg | |
3009 | continue | |
3010 | ;; | |
3011 | -*) | |
3012 | # An option. Add it. | |
3013 | case $ac_arg in | |
3014 | *\'*) | |
3015 | ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; | |
3016 | esac | |
3017 | baseargs="$baseargs '$ac_arg'" | |
3018 | if test X"$skip_targ" = Xno; then | |
3019 | tbaseargs="$tbaseargs '$ac_arg'" | |
3020 | fi | |
3021 | keep_next=$separate_arg | |
3022 | ;; | |
3023 | *) | |
3024 | # Either a variable assignment, or a nonopt (triplet). Don't | |
3025 | # pass it down; let the Makefile handle this. | |
3026 | continue | |
3027 | ;; | |
3028 | esac | |
3029 | done | |
3030 | # Remove the initial space we just introduced and, as these will be | |
3031 | # expanded by make, quote '$'. | |
3032 | baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'` | |
3033 | ||
3034 | # Add in --program-transform-name, after --program-prefix and | |
3035 | # --program-suffix have been applied to it. Autoconf has already | |
3036 | # doubled dollar signs and backslashes in program_transform_name; we want | |
3037 | # the backslashes un-doubled, and then the entire thing wrapped in single | |
3038 | # quotes, because this will be expanded first by make and then by the shell. | |
3039 | # Also, because we want to override the logic in subdir configure scripts to | |
3040 | # choose program_transform_name, replace any s,x,x, with s,y,y,. | |
3041 | sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out | |
3042 | ${program_transform_name} | |
3043 | EOF_SED | |
3044 | gcc_transform_name=`cat conftestsed.out` | |
3045 | rm -f conftestsed.out | |
3046 | baseargs="$baseargs --program-transform-name='${gcc_transform_name}'" | |
3047 | tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'" | |
3048 | if test "$silent" = yes; then | |
3049 | baseargs="$baseargs --silent" | |
3050 | tbaseargs="$tbaseargs --silent" | |
3051 | fi | |
3052 | baseargs="$baseargs --disable-option-checking" | |
3053 | tbaseargs="$tbaseargs --disable-option-checking" | |
3054 | ||
3055 | # Record and document user additions to sub configure arguments. | |
3056 | AC_ARG_VAR([build_configargs], | |
3057 | [additional configure arguments for build directories]) | |
3058 | AC_ARG_VAR([host_configargs], | |
3059 | [additional configure arguments for host directories]) | |
3060 | AC_ARG_VAR([target_configargs], | |
3061 | [additional configure arguments for target directories]) | |
3062 | ||
3063 | # For the build-side libraries, we just need to pretend we're native, | |
3064 | # and not use the same cache file. Multilibs are neither needed nor | |
3065 | # desired. We can't even use the same cache file for all build-side | |
3066 | # libraries, as they're compiled differently; some with C, some with | |
3067 | # C++ or with different feature-enabling options. | |
3068 | build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}" | |
3069 | ||
3070 | # For host modules, accept cache file option, or specification as blank. | |
3071 | case "${cache_file}" in | |
3072 | "") # empty | |
3073 | cache_file_option="" ;; | |
3074 | /* | [[A-Za-z]]:[[\\/]]* ) # absolute path | |
3075 | cache_file_option="--cache-file=${cache_file}" ;; | |
3076 | *) # relative path | |
3077 | cache_file_option="--cache-file=../${cache_file}" ;; | |
3078 | esac | |
3079 | ||
3080 | # Host dirs don't like to share a cache file either, horribly enough. | |
3081 | # This seems to be due to autoconf 2.5x stupidity. | |
3082 | host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}" | |
3083 | ||
3084 | target_configargs="$target_configargs ${tbaseargs}" | |
3085 | ||
3086 | # Passing a --with-cross-host argument lets the target libraries know | |
3087 | # whether they are being built with a cross-compiler or being built | |
3088 | # native. However, it would be better to use other mechanisms to make the | |
3089 | # sorts of decisions they want to make on this basis. Please consider | |
3090 | # this option to be deprecated. FIXME. | |
3091 | if test x${is_cross_compiler} = xyes ; then | |
3092 | target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}" | |
3093 | fi | |
3094 | ||
3095 | # Special user-friendly check for native x86_64-linux build, if | |
3096 | # multilib is not explicitly enabled. | |
3097 | case "$target:$have_compiler:$host:$target:$enable_multilib" in | |
3098 | x86_64-*linux*:yes:$build:$build:) | |
3099 | # Make sure we have a development environment that handles 32-bit | |
3100 | dev64=no | |
3101 | echo "int main () { return 0; }" > conftest.c | |
3102 | ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c | |
3103 | if test $? = 0 ; then | |
3104 | if test -s conftest || test -s conftest.exe ; then | |
3105 | dev64=yes | |
3106 | fi | |
3107 | fi | |
3108 | rm -f conftest* | |
3109 | if test x${dev64} != xyes ; then | |
3110 | AC_MSG_ERROR([I suspect your system does not have 32-bit development libraries (libc and headers). If you have them, rerun configure with --enable-multilib. If you do not have them, and want to build a 64-bit-only compiler, rerun configure with --disable-multilib.]) | |
3111 | fi | |
3112 | ;; | |
3113 | esac | |
3114 | ||
3115 | # Default to --enable-multilib. | |
3116 | if test x${enable_multilib} = x ; then | |
3117 | target_configargs="--enable-multilib ${target_configargs}" | |
3118 | fi | |
3119 | ||
3120 | # Pass --with-newlib if appropriate. Note that target_configdirs has | |
3121 | # changed from the earlier setting of with_newlib. | |
3122 | if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then | |
3123 | target_configargs="--with-newlib ${target_configargs}" | |
3124 | fi | |
3125 | ||
3126 | # Different target subdirs use different values of certain variables | |
3127 | # (notably CXX). Worse, multilibs use *lots* of different values. | |
3128 | # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that | |
3129 | # it doesn't automatically accept command-line overrides of them. | |
3130 | # This means it's not safe for target subdirs to share a cache file, | |
3131 | # which is disgusting, but there you have it. Hopefully this can be | |
3132 | # fixed in future. It's still worthwhile to use a cache file for each | |
3133 | # directory. I think. | |
3134 | ||
3135 | # Pass the appropriate --build, --host, --target and --cache-file arguments. | |
3136 | # We need to pass --target, as newer autoconf's requires consistency | |
3137 | # for target_alias and gcc doesn't manage it consistently. | |
3138 | target_configargs="--cache-file=./config.cache ${target_configargs}" | |
3139 | ||
3140 | FLAGS_FOR_TARGET= | |
3141 | case " $target_configdirs " in | |
3142 | *" newlib "*) | |
3143 | case " $target_configargs " in | |
3144 | *" --with-newlib "*) | |
3145 | case "$target" in | |
3146 | *-cygwin*) | |
3147 | FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include' | |
3148 | ;; | |
3149 | esac | |
3150 | ||
3151 | # If we're not building GCC, don't discard standard headers. | |
3152 | if test -d ${srcdir}/gcc; then | |
3153 | FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc' | |
3154 | ||
3155 | if test "${build}" != "${host}"; then | |
3156 | # On Canadian crosses, CC_FOR_TARGET will have already been set | |
3157 | # by `configure', so we won't have an opportunity to add -Bgcc/ | |
3158 | # to it. This is right: we don't want to search that directory | |
3159 | # for binaries, but we want the header files in there, so add | |
3160 | # them explicitly. | |
3161 | FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed' | |
3162 | ||
3163 | # Someone might think of using the pre-installed headers on | |
3164 | # Canadian crosses, in case the installed compiler is not fully | |
3165 | # compatible with the compiler being built. In this case, it | |
3166 | # would be better to flag an error than risking having | |
3167 | # incompatible object files being constructed. We can't | |
3168 | # guarantee that an error will be flagged, but let's hope the | |
3169 | # compiler will do it, when presented with incompatible header | |
3170 | # files. | |
3171 | fi | |
3172 | fi | |
3173 | ||
3174 | case "${target}-${is_cross_compiler}" in | |
3175 | i[[3456789]]86-*-linux*-no) | |
3176 | # Here host == target, so we don't need to build gcc, | |
3177 | # so we don't want to discard standard headers. | |
3178 | FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'` | |
3179 | ;; | |
3180 | *) | |
3181 | # If we're building newlib, use its generic headers last, but search | |
3182 | # for any libc-related directories first (so make it the last -B | |
3183 | # switch). | |
3184 | FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include' | |
3185 | ||
3186 | # If we're building libgloss, find the startup file, simulator library | |
3187 | # and linker script. | |
3188 | case " $target_configdirs " in | |
3189 | *" libgloss "*) | |
3190 | # Look for startup file, simulator library and maybe linker script. | |
3191 | FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir" | |
3192 | # Look for libnosys.a in case the target needs it. | |
3193 | FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys' | |
3194 | # Most targets have the linker script in the source directory. | |
3195 | FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir" | |
3196 | ;; | |
3197 | esac | |
3198 | ;; | |
3199 | esac | |
3200 | ;; | |
3201 | esac | |
3202 | ;; | |
3203 | esac | |
3204 | ||
3205 | case "$target" in | |
3206 | x86_64-*mingw* | *-w64-mingw*) | |
3207 | # MinGW-w64 does not use newlib, nor does it use winsup. It may, | |
3208 | # however, use a symlink named 'mingw' in ${prefix} . | |
3209 | FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include' | |
3210 | ;; | |
3211 | *-mingw*) | |
3212 | # MinGW can't be handled as Cygwin above since it does not use newlib. | |
3213 | FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include' | |
3214 | ;; | |
3215 | esac | |
3216 | ||
3217 | # Allow the user to override the flags for | |
3218 | # our build compiler if desired. | |
3219 | if test x"${build}" = x"${host}" ; then | |
3220 | CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}} | |
3221 | CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}} | |
3222 | LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}} | |
3223 | fi | |
3224 | ||
3225 | # On Canadian crosses, we'll be searching the right directories for | |
3226 | # the previously-installed cross compiler, so don't bother to add | |
3227 | # flags for directories within the install tree of the compiler | |
3228 | # being built; programs in there won't even run. | |
3229 | if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then | |
3230 | # Search for pre-installed headers if nothing else fits. | |
3231 | FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include' | |
3232 | fi | |
3233 | ||
3234 | if test "x${use_gnu_ld}" = x && | |
3235 | echo " ${configdirs} " | grep " ld " > /dev/null ; then | |
3236 | # Arrange for us to find uninstalled linker scripts. | |
3237 | FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld' | |
3238 | fi | |
3239 | ||
3240 | # Search for other target-specific linker scripts and such. | |
3241 | case "${target}" in | |
3242 | mep*) | |
3243 | FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary" | |
3244 | ;; | |
3245 | esac | |
3246 | ||
3247 | # Makefile fragments. | |
3248 | for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag; | |
3249 | do | |
3250 | eval fragval=\$$frag | |
3251 | if test $fragval != /dev/null; then | |
3252 | eval $frag=${srcdir}/$fragval | |
3253 | fi | |
3254 | done | |
3255 | AC_SUBST_FILE(host_makefile_frag) | |
3256 | AC_SUBST_FILE(target_makefile_frag) | |
3257 | AC_SUBST_FILE(alphaieee_frag) | |
3258 | AC_SUBST_FILE(ospace_frag) | |
3259 | ||
3260 | # Miscellanea: directories, flags, etc. | |
3261 | AC_SUBST(RPATH_ENVVAR) | |
3262 | AC_SUBST(GCC_SHLIB_SUBDIR) | |
3263 | AC_SUBST(tooldir) | |
3264 | AC_SUBST(build_tooldir) | |
3265 | AC_SUBST(CONFIGURE_GDB_TK) | |
3266 | AC_SUBST(GDB_TK) | |
3267 | AC_SUBST(INSTALL_GDB_TK) | |
3268 | ||
3269 | # Build module lists & subconfigure args. | |
3270 | AC_SUBST(build_configargs) | |
3271 | AC_SUBST(build_configdirs) | |
3272 | ||
3273 | # Host module lists & subconfigure args. | |
3274 | AC_SUBST(host_configargs) | |
3275 | AC_SUBST(configdirs) | |
3276 | AC_SUBST(target_configdirs) | |
3277 | ||
3278 | # Target module lists & subconfigure args. | |
3279 | AC_SUBST(target_configargs) | |
3280 | ||
3281 | ||
3282 | # Build tools. | |
3283 | AC_SUBST(AR_FOR_BUILD) | |
3284 | AC_SUBST(AS_FOR_BUILD) | |
3285 | AC_SUBST(CC_FOR_BUILD) | |
3286 | AC_SUBST(CFLAGS_FOR_BUILD) | |
3287 | AC_SUBST(CXXFLAGS_FOR_BUILD) | |
3288 | AC_SUBST(CXX_FOR_BUILD) | |
3289 | AC_SUBST(DLLTOOL_FOR_BUILD) | |
3290 | AC_SUBST(GFORTRAN_FOR_BUILD) | |
3291 | AC_SUBST(GOC_FOR_BUILD) | |
3292 | AC_SUBST(LDFLAGS_FOR_BUILD) | |
3293 | AC_SUBST(LD_FOR_BUILD) | |
3294 | AC_SUBST(NM_FOR_BUILD) | |
3295 | AC_SUBST(RANLIB_FOR_BUILD) | |
3296 | AC_SUBST(WINDMC_FOR_BUILD) | |
3297 | AC_SUBST(WINDRES_FOR_BUILD) | |
3298 | ||
3299 | # Generate default definitions for YACC, M4, LEX and other programs that run | |
3300 | # on the build machine. These are used if the Makefile can't locate these | |
3301 | # programs in objdir. | |
3302 | MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing | |
3303 | ||
3304 | AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y]) | |
3305 | case " $build_configdirs " in | |
3306 | *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;; | |
3307 | esac | |
3308 | ||
3309 | AC_CHECK_PROGS([BISON], [bison], [$MISSING bison]) | |
3310 | case " $build_configdirs " in | |
3311 | *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;; | |
3312 | esac | |
3313 | ||
3314 | AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4]) | |
3315 | case " $build_configdirs " in | |
3316 | *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;; | |
3317 | esac | |
3318 | ||
3319 | AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex]) | |
3320 | case " $build_configdirs " in | |
3321 | *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; | |
3322 | *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;; | |
3323 | esac | |
3324 | ||
3325 | AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex]) | |
3326 | case " $build_configdirs " in | |
3327 | *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; | |
3328 | esac | |
3329 | ||
3330 | AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo]) | |
3331 | case " $build_configdirs " in | |
3332 | *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;; | |
3333 | *) | |
3334 | changequote(,) | |
3335 | # For an installed makeinfo, we require it to be from texinfo 4.7 or | |
3336 | # higher, else we use the "missing" dummy. | |
3337 | if ${MAKEINFO} --version \ | |
3338 | | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then | |
3339 | : | |
3340 | else | |
3341 | MAKEINFO="$MISSING makeinfo" | |
3342 | fi | |
3343 | ;; | |
3344 | changequote([,]) | |
3345 | esac | |
3346 | ||
3347 | # FIXME: expect and dejagnu may become build tools? | |
3348 | ||
3349 | AC_CHECK_PROGS(EXPECT, expect, expect) | |
3350 | case " $configdirs " in | |
3351 | *" expect "*) | |
3352 | test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect' | |
3353 | ;; | |
3354 | esac | |
3355 | ||
3356 | AC_CHECK_PROGS(RUNTEST, runtest, runtest) | |
3357 | case " $configdirs " in | |
3358 | *" dejagnu "*) | |
3359 | test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest' | |
3360 | ;; | |
3361 | esac | |
3362 | ||
3363 | ||
3364 | # Host tools. | |
3365 | NCN_STRICT_CHECK_TOOLS(AR, ar) | |
3366 | NCN_STRICT_CHECK_TOOLS(AS, as) | |
3367 | NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool) | |
3368 | NCN_STRICT_CHECK_TOOLS(LD, ld) | |
3369 | NCN_STRICT_CHECK_TOOLS(LIPO, lipo) | |
3370 | NCN_STRICT_CHECK_TOOLS(NM, nm) | |
3371 | NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true) | |
3372 | NCN_STRICT_CHECK_TOOLS(STRIP, strip, true) | |
3373 | NCN_STRICT_CHECK_TOOLS(WINDRES, windres) | |
3374 | NCN_STRICT_CHECK_TOOLS(WINDMC, windmc) | |
3375 | NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy) | |
3376 | NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump) | |
3377 | NCN_STRICT_CHECK_TOOLS(READELF, readelf) | |
3378 | AC_SUBST(CC) | |
3379 | AC_SUBST(CXX) | |
3380 | AC_SUBST(CFLAGS) | |
3381 | AC_SUBST(CXXFLAGS) | |
3382 | ||
3383 | # Target tools. | |
3384 | AC_ARG_WITH([build-time-tools], | |
3385 | [AS_HELP_STRING([--with-build-time-tools=PATH], | |
3386 | [use given path to find target tools during the build])], | |
3387 | [case x"$withval" in | |
3388 | x/*) ;; | |
3389 | *) | |
3390 | with_build_time_tools= | |
3391 | AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path]) | |
3392 | ;; | |
3393 | esac], | |
3394 | [with_build_time_tools=]) | |
3395 | ||
3396 | NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc) | |
3397 | NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx) | |
3398 | NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET}) | |
3399 | NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran) | |
3400 | NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo) | |
3401 | ||
3402 | ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar) | |
3403 | ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as) | |
3404 | ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool) | |
3405 | ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld) | |
3406 | ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo) | |
3407 | ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm) | |
3408 | ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy) | |
3409 | ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump) | |
3410 | ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib) | |
3411 | ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf) | |
3412 | ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip) | |
3413 | ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres) | |
3414 | ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc) | |
3415 | ||
3416 | RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET" | |
3417 | ||
3418 | GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar]) | |
3419 | GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new]) | |
3420 | GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) | |
3421 | dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS | |
3422 | GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX, | |
3423 | [gcc/xg++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `if test -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags; then $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes; else echo -funconfigured-libstdc++-v3 ; fi` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs], | |
3424 | c++) | |
3425 | GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX, | |
3426 | [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs], | |
3427 | c++) | |
3428 | GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool]) | |
3429 | GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) | |
3430 | GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN, | |
3431 | [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran) | |
3432 | GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC, | |
3433 | [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go) | |
3434 | GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new]) | |
3435 | GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO) | |
3436 | GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new]) | |
3437 | GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy]) | |
3438 | GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump]) | |
3439 | GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib]) | |
3440 | GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf]) | |
3441 | GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new]) | |
3442 | GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres]) | |
3443 | GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc]) | |
3444 | ||
3445 | AC_SUBST(FLAGS_FOR_TARGET) | |
3446 | AC_SUBST(RAW_CXX_FOR_TARGET) | |
3447 | ||
3448 | # Certain tools may need extra flags. | |
3449 | AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target} | |
3450 | RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target} | |
3451 | NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target} | |
3452 | ||
3453 | # When building target libraries, except in a Canadian cross, we use | |
3454 | # the same toolchain as the compiler we just built. | |
3455 | COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)' | |
3456 | COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)' | |
3457 | COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)' | |
3458 | if test $host = $build; then | |
3459 | case " $configdirs " in | |
3460 | *" gcc "*) | |
3461 | COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as' | |
3462 | COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld' | |
3463 | COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target} | |
3464 | ;; | |
3465 | esac | |
3466 | fi | |
3467 | ||
3468 | AC_SUBST(COMPILER_AS_FOR_TARGET) | |
3469 | AC_SUBST(COMPILER_LD_FOR_TARGET) | |
3470 | AC_SUBST(COMPILER_NM_FOR_TARGET) | |
3471 | ||
3472 | AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) | |
3473 | AC_ARG_ENABLE(maintainer-mode, | |
3474 | [AS_HELP_STRING([--enable-maintainer-mode], | |
3475 | [enable make rules and dependencies not useful | |
3476 | (and sometimes confusing) to the casual installer])], | |
3477 | USE_MAINTAINER_MODE=$enableval, | |
3478 | USE_MAINTAINER_MODE=no) | |
3479 | AC_MSG_RESULT($USE_MAINTAINER_MODE) | |
3480 | AC_SUBST(MAINTAINER_MODE_TRUE) | |
3481 | AC_SUBST(MAINTAINER_MODE_FALSE) | |
3482 | if test "$USE_MAINTAINER_MODE" = yes; then | |
3483 | MAINTAINER_MODE_TRUE= | |
3484 | MAINTAINER_MODE_FALSE='#' | |
3485 | else | |
3486 | MAINTAINER_MODE_TRUE='#' | |
3487 | MAINTAINER_MODE_FALSE= | |
3488 | fi | |
3489 | MAINT=$MAINTAINER_MODE_TRUE | |
3490 | AC_SUBST(MAINT)dnl | |
3491 | ||
3492 | # --------------------- | |
3493 | # GCC bootstrap support | |
3494 | # --------------------- | |
3495 | ||
3496 | # Stage specific cflags for build. | |
3497 | stage1_cflags="-g" | |
3498 | case $build in | |
3499 | vax-*-*) | |
3500 | case ${GCC} in | |
3501 | yes) stage1_cflags="-g -Wa,-J" ;; | |
3502 | *) stage1_cflags="-g -J" ;; | |
3503 | esac ;; | |
3504 | esac | |
3505 | ||
3506 | AC_SUBST(stage1_cflags) | |
3507 | ||
3508 | # Enable --enable-checking in stage1 of the compiler. | |
3509 | AC_ARG_ENABLE(stage1-checking, | |
3510 | [AS_HELP_STRING([[--enable-stage1-checking[=all]]], | |
3511 | [choose additional checking for stage1 of the compiler])], | |
3512 | [stage1_checking=--enable-checking=${enable_stage1_checking}], | |
3513 | [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then | |
3514 | # For --disable-checking or implicit --enable-checking=release, avoid | |
3515 | # setting --enable-checking=gc in the default stage1 checking for LTO | |
3516 | # bootstraps. See PR62077. | |
3517 | case $BUILD_CONFIG in | |
3518 | *lto*) | |
3519 | stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types;; | |
3520 | *) | |
3521 | stage1_checking=--enable-checking=yes,types;; | |
3522 | esac | |
3523 | if test "x$enable_checking" = x && \ | |
3524 | test -d ${srcdir}/gcc && \ | |
3525 | test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then | |
3526 | stage1_checking=--enable-checking=yes,types,extra | |
3527 | fi | |
3528 | else | |
3529 | stage1_checking=--enable-checking=$enable_checking,types | |
3530 | fi]) | |
3531 | AC_SUBST(stage1_checking) | |
3532 | ||
3533 | # Enable -Werror in bootstrap stage2 and later. | |
3534 | AC_ARG_ENABLE(werror, | |
3535 | [AS_HELP_STRING([--enable-werror], | |
3536 | [enable -Werror in bootstrap stage2 and later])], | |
3537 | [ | |
3538 | case ${enable_werror} in | |
3539 | yes) stage2_werror_flag="--enable-werror-always" ;; | |
3540 | *) stage2_werror_flag="" ;; | |
3541 | esac | |
3542 | ], | |
3543 | [ | |
3544 | if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then | |
3545 | case $BUILD_CONFIG in | |
3546 | bootstrap-debug) | |
3547 | stage2_werror_flag="--enable-werror-always" ;; | |
3548 | "") | |
3549 | stage2_werror_flag="--enable-werror-always" ;; | |
3550 | esac | |
3551 | fi | |
3552 | ]) | |
3553 | ||
3554 | AC_SUBST(stage2_werror_flag) | |
3555 | ||
3556 | # Specify what files to not compare during bootstrap. | |
3557 | ||
3558 | compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*" | |
3559 | case "$target" in | |
3560 | hppa*64*-*-hpux*) ;; | |
3561 | hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/* | gcc/function-tests.o" ;; | |
3562 | powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;; | |
3563 | esac | |
3564 | AC_SUBST(compare_exclusions) | |
3565 | ||
3566 | AC_CONFIG_FILES([Makefile], | |
3567 | [sed "$extrasub_build" Makefile | | |
3568 | sed "$extrasub_host" | | |
3569 | sed "$extrasub_target" > mf$$ | |
3570 | mv -f mf$$ Makefile], | |
3571 | [extrasub_build="$extrasub_build" | |
3572 | extrasub_host="$extrasub_host" | |
3573 | extrasub_target="$extrasub_target"]) | |
3574 | AC_OUTPUT |