Commit | Line | Data |
---|---|---|
92f01d61 | 1 | # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, |
1b6c0831 | 2 | # 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, |
05a13254 | 3 | # 2014, 2015, 2016, 2017 Free Software Foundation, Inc. |
252b5132 RH |
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 | |
e8a5fa9c | 7 | # the Free Software Foundation; either version 3 of the License, or |
252b5132 RH |
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 | |
e8a5fa9c RW |
16 | # along with this program; see the file COPYING3. If not see |
17 | # <http://www.gnu.org/licenses/>. | |
252b5132 RH |
18 | |
19 | ############################################################################## | |
a0da8069 NN |
20 | ### WARNING: this file contains embedded tabs. Do not run untabify on this file. |
21 | ||
266df637 PB |
22 | m4_include(config/acx.m4) |
23 | m4_include(config/override.m4) | |
58c85be7 | 24 | m4_include(config/proginstall.m4) |
143754cd | 25 | m4_include(config/elf.m4) |
d5f2ee2e KG |
26 | m4_include([libtool.m4]) |
27 | m4_include([ltoptions.m4]) | |
28 | m4_include([ltsugar.m4]) | |
29 | m4_include([ltversion.m4]) | |
30 | m4_include([lt~obsolete.m4]) | |
7ec59b9e | 31 | m4_include([config/isl.m4]) |
656fdd47 | 32 | |
a0da8069 | 33 | AC_INIT(move-if-change) |
d444d2ba | 34 | AC_PREREQ(2.64) |
34a0f3cf | 35 | AC_DISABLE_OPTION_CHECKING |
c6b750e1 | 36 | |
5b553f7e RW |
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 | ||
c6b750e1 DJ |
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 | ||
a0da8069 NN |
79 | AC_CANONICAL_SYSTEM |
80 | AC_ARG_PROGRAM | |
81 | ||
c6b750e1 | 82 | m4_pattern_allow([^AS_FOR_TARGET$])dnl |
b5714970 | 83 | m4_pattern_allow([^AS_FOR_BUILD$])dnl |
c6b750e1 | 84 | |
e5c3f801 NN |
85 | # Get 'install' or 'install-sh' and its variants. |
86 | AC_PROG_INSTALL | |
656fdd47 | 87 | ACX_PROG_LN |
dfdffa2c | 88 | AC_PROG_LN_S |
8e957354 PB |
89 | AC_PROG_SED |
90 | AC_PROG_AWK | |
e5c3f801 | 91 | |
0fdbe983 DJ |
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 | ||
a0da8069 NN |
100 | # Set srcdir to "." if that's what it is. |
101 | # This is important for multilib support. | |
102 | pwd=`${PWDCMD-pwd}` | |
a0da8069 NN |
103 | if test "${pwd}" = "${srcpwd}" ; then |
104 | srcdir=. | |
105 | fi | |
106 | ||
107 | topsrcdir=$srcpwd | |
252b5132 | 108 | |
ae831be5 | 109 | extra_host_args= |
afefada0 | 110 | |
252b5132 RH |
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 | |
a2cc058a | 113 | ### (library or tools, host or target), doing a dependency sort. |
252b5132 | 114 | |
7ec59b9e | 115 | # Subdirs will be configured in the order listed in build_configdirs, |
a2cc058a NN |
116 | # configdirs, or target_configdirs; see the serialization section below. |
117 | ||
7ec59b9e L |
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 | |
a2cc058a NN |
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. | |
252b5132 | 124 | |
6a9cf61e PB |
125 | # these library is used by various programs built for the build |
126 | # environment | |
127 | # | |
1b6c0831 | 128 | build_libs="build-libiberty build-libcpp" |
6a9cf61e PB |
129 | |
130 | # these tools are built for the build environment | |
a90ef4bf | 131 | build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes" |
6a9cf61e | 132 | |
252b5132 | 133 | # these libraries are used by various programs built for the host environment |
1b6c0831 L |
134 | #f |
135 | host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl libelf libiconv" | |
252b5132 | 136 | |
252b5132 RH |
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. | |
2af579c4 NN |
140 | # binutils, gas and ld appear in that order because it makes sense to run |
141 | # "make check" in that particular order. | |
e6de499b | 142 | # If --enable-gold is used, "gold" may replace "ld". |
1b6c0831 | 143 | host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gotools" |
75205f78 | 144 | |
252b5132 RH |
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) | |
ffdd6afc | 147 | # Note that libiberty is not a target library. |
b1299c4e | 148 | target_libraries="target-libgcc \ |
2bf680c4 | 149 | target-libbacktrace \ |
252b5132 RH |
150 | target-libgloss \ |
151 | target-newlib \ | |
cff87f51 | 152 | target-libgomp \ |
522e3d71 | 153 | target-libcilkrts \ |
1b6c0831 | 154 | target-liboffloadmic \ |
7ec59b9e | 155 | target-libatomic \ |
d32e2926 | 156 | target-libitm \ |
b9459e83 | 157 | target-libstdc++-v3 \ |
5286fdef | 158 | target-libsanitizer \ |
95e43135 | 159 | target-libvtv \ |
1b6c0831 | 160 | target-libmpx \ |
bb780410 | 161 | target-libssp \ |
e552509b | 162 | target-libquadmath \ |
4b1cb4fe | 163 | target-libgfortran \ |
05a13254 | 164 | target-libffi \ |
a2592b1b | 165 | target-libobjc \ |
e552509b ILT |
166 | target-libada \ |
167 | target-libgo" | |
252b5132 | 168 | |
9c14acb8 NN |
169 | # these tools are built using the target libraries, and are intended to |
170 | # run only in the target environment | |
252b5132 | 171 | # |
9c14acb8 | 172 | # note: any program that *uses* libraries that are in the "target_libraries" |
0377a422 | 173 | # list belongs in this list. |
252b5132 | 174 | # |
a90ef4bf | 175 | target_tools="target-rda" |
252b5132 RH |
176 | |
177 | ################################################################################ | |
178 | ||
252b5132 RH |
179 | ## All tools belong in one of the four categories, and are assigned above |
180 | ## We assign ${configdirs} this way to remove all embedded newlines. This | |
181 | ## is important because configure will choke if they ever get through. | |
182 | ## ${configdirs} is directories we build using the host tools. | |
183 | ## ${target_configdirs} is directories we build using the target tools. | |
252b5132 | 184 | configdirs=`echo ${host_libs} ${host_tools}` |
9c14acb8 | 185 | target_configdirs=`echo ${target_libraries} ${target_tools}` |
ee025550 | 186 | build_configdirs=`echo ${build_libs} ${build_tools}` |
dd12c3a8 | 187 | |
9cc8ae67 | 188 | m4_divert_text([PARSE_ARGS], |
6d0cd39e AM |
189 | [case $srcdir in |
190 | *" "*) | |
191 | m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl | |
192 | AC_MSG_ERROR([path to source, $srcdir, contains spaces]) | |
193 | m4_popdef([AS_MESSAGE_LOG_FD])dnl | |
194 | ;; | |
195 | esac | |
196 | ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'` | |
9cc8ae67 PB |
197 | ]) |
198 | ||
252b5132 RH |
199 | ################################################################################ |
200 | ||
252b5132 RH |
201 | srcname="gnu development package" |
202 | ||
203 | # This gets set non-empty for some net releases of packages. | |
204 | appdirs="" | |
205 | ||
c712250a DD |
206 | # Define is_cross_compiler to save on calls to 'test'. |
207 | is_cross_compiler= | |
208 | if test x"${host}" = x"${target}" ; then | |
209 | is_cross_compiler=no | |
210 | else | |
211 | is_cross_compiler=yes | |
7ec59b9e | 212 | fi |
c712250a | 213 | |
9175bfc0 | 214 | # Find the build and target subdir names. |
dd12c3a8 | 215 | GCC_TOPLEV_SUBDIRS |
2fd0b40b RW |
216 | # Be sure to cover against remnants of an in-tree build. |
217 | if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then | |
218 | AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}. | |
219 | Use a pristine source tree when building in a separate tree]) | |
220 | fi | |
252b5132 | 221 | |
f48556b1 DD |
222 | # Skipdirs are removed silently. |
223 | skipdirs= | |
224 | # Noconfigdirs are removed loudly. | |
225 | noconfigdirs="" | |
252b5132 | 226 | |
f48556b1 DD |
227 | use_gnu_ld= |
228 | # Make sure we don't let GNU ld be added if we didn't want it. | |
229 | if test x$with_gnu_ld = xno ; then | |
230 | use_gnu_ld=no | |
93f9b408 | 231 | noconfigdirs="$noconfigdirs ld gold" |
252b5132 RH |
232 | fi |
233 | ||
f48556b1 DD |
234 | use_gnu_as= |
235 | # Make sure we don't let GNU as be added if we didn't want it. | |
236 | if test x$with_gnu_as = xno ; then | |
237 | use_gnu_as=no | |
238 | noconfigdirs="$noconfigdirs gas" | |
252b5132 RH |
239 | fi |
240 | ||
700d40ca | 241 | use_included_zlib= |
cf39cfc5 L |
242 | AC_ARG_WITH(system-zlib, |
243 | [AS_HELP_STRING([--with-system-zlib], [use installed libz])]) | |
700d40ca ILT |
244 | # Make sure we don't let ZLIB be added if we didn't want it. |
245 | if test x$with_system_zlib = xyes ; then | |
246 | use_included_zlib=no | |
247 | noconfigdirs="$noconfigdirs zlib" | |
248 | fi | |
249 | ||
7ec59b9e | 250 | # some tools are so dependent upon X11 that if we're not building with X, |
f48556b1 | 251 | # it's not even worth trying to configure, much less build, that tool. |
252b5132 | 252 | |
f48556b1 DD |
253 | case ${with_x} in |
254 | yes | "") ;; # the default value for this tree is that X11 is available | |
ff0a3bf8 | 255 | no) |
675c6968 | 256 | skipdirs="${skipdirs} tk itcl libgui" |
ff0a3bf8 | 257 | # We won't be able to build gdbtk without X. |
7ec59b9e | 258 | enable_gdbtk=no |
ff0a3bf8 | 259 | ;; |
f48556b1 DD |
260 | *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;; |
261 | esac | |
252b5132 | 262 | |
0377a422 | 263 | # Some are only suitable for cross toolchains. |
405ea7a0 NN |
264 | # Remove these if host=target. |
265 | cross_only="target-libgloss target-newlib target-opcodes" | |
252b5132 | 266 | |
f48556b1 DD |
267 | case $is_cross_compiler in |
268 | no) skipdirs="${skipdirs} ${cross_only}" ;; | |
f48556b1 | 269 | esac |
252b5132 | 270 | |
a32d391c DD |
271 | # If both --with-headers and --with-libs are specified, default to |
272 | # --without-newlib. | |
32be62b5 RS |
273 | if test x"${with_headers}" != x && test x"${with_headers}" != xno \ |
274 | && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then | |
a32d391c DD |
275 | if test x"${with_newlib}" = x ; then |
276 | with_newlib=no | |
277 | fi | |
278 | fi | |
279 | ||
280 | # Recognize --with-newlib/--without-newlib. | |
281 | case ${with_newlib} in | |
282 | no) skipdirs="${skipdirs} target-newlib" ;; | |
283 | yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;; | |
284 | esac | |
285 | ||
1b6c0831 L |
286 | AC_ARG_ENABLE(as-accelerator-for, |
287 | [AS_HELP_STRING([--enable-as-accelerator-for=ARG], | |
288 | [build as offload target compiler. | |
289 | Specify offload host triple by ARG])]) | |
290 | ||
291 | AC_ARG_ENABLE(offload-targets, | |
292 | [AS_HELP_STRING([--enable-offload-targets=LIST], | |
293 | [enable offloading to devices from comma-separated LIST of | |
294 | TARGET[=DIR]. Use optional path to find offload target compiler | |
295 | during the build])], | |
296 | [ | |
297 | if test x"$enable_offload_targets" = x; then | |
298 | AC_MSG_ERROR([no offload targets specified]) | |
299 | fi | |
300 | ], [enable_offload_targets=]) | |
301 | ||
c7791212 NC |
302 | # Handle --enable-gold, --enable-ld. |
303 | # --disable-gold [--enable-ld] | |
304 | # Build only ld. Default option. | |
d3b50760 L |
305 | # --enable-gold [--enable-ld] |
306 | # Build both gold and ld. Install gold as "ld.gold", install ld | |
307 | # as "ld.bfd" and "ld". | |
308 | # --enable-gold=default [--enable-ld] | |
c7791212 NC |
309 | # Build both gold and ld. Install gold as "ld.gold" and "ld", |
310 | # install ld as "ld.bfd". | |
311 | # --enable-gold[=default] --disable-ld | |
312 | # Build only gold, which is then installed as both "ld.gold" and "ld". | |
313 | # --enable-gold --enable-ld=default | |
d3b50760 L |
314 | # Build both gold (installed as "ld.gold") and ld (installed as "ld" |
315 | # and ld.bfd). | |
c7791212 NC |
316 | # In other words, ld is default |
317 | # --enable-gold=default --enable-ld=default | |
318 | # Error. | |
319 | ||
320 | default_ld= | |
93f9b408 | 321 | AC_ARG_ENABLE(gold, |
7837304f AS |
322 | [AS_HELP_STRING([[--enable-gold[=ARG]]], |
323 | [build gold @<:@ARG={default,yes,no}@:>@])], | |
93f9b408 ILT |
324 | ENABLE_GOLD=$enableval, |
325 | ENABLE_GOLD=no) | |
c7791212 NC |
326 | case "${ENABLE_GOLD}" in |
327 | yes|default) | |
e6de499b NC |
328 | # Check for ELF target. |
329 | is_elf=no | |
330 | case "${target}" in | |
331 | *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \ | |
2344b8da | 332 | | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \ |
5b806d27 | 333 | | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \ |
d5451cd4 | 334 | | *-*-solaris2* | *-*-nto* | *-*-nacl* | *-*-fuchsia*) |
e6de499b NC |
335 | case "${target}" in |
336 | *-*-linux*aout* | *-*-linux*oldld*) | |
337 | ;; | |
338 | *) | |
339 | is_elf=yes | |
340 | ;; | |
341 | esac | |
342 | esac | |
343 | ||
344 | if test "$is_elf" = "yes"; then | |
345 | # Check for target supported by gold. | |
93f9b408 | 346 | case "${target}" in |
6d26190c | 347 | i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \ |
ea016470 | 348 | | aarch64*-*-* | tilegx*-*-* | mips*-*-* | s390*-*-*) |
c7791212 NC |
349 | configdirs="$configdirs gold" |
350 | if test x${ENABLE_GOLD} = xdefault; then | |
351 | default_ld=gold | |
352 | fi | |
e6de499b | 353 | ENABLE_GOLD=yes |
93f9b408 ILT |
354 | ;; |
355 | esac | |
e6de499b NC |
356 | fi |
357 | ;; | |
358 | no) | |
359 | ;; | |
360 | *) | |
361 | AC_MSG_ERROR([invalid --enable-gold argument]) | |
362 | ;; | |
c7791212 NC |
363 | esac |
364 | ||
365 | AC_ARG_ENABLE(ld, | |
7837304f AS |
366 | [AS_HELP_STRING([[--enable-ld[=ARG]]], |
367 | [build ld @<:@ARG={default,yes,no}@:>@])], | |
c7791212 NC |
368 | ENABLE_LD=$enableval, |
369 | ENABLE_LD=yes) | |
370 | ||
371 | case "${ENABLE_LD}" in | |
372 | default) | |
d3b50760 | 373 | if test x${default_ld} != x; then |
c7791212 NC |
374 | AC_MSG_ERROR([either gold or ld can be the default ld]) |
375 | fi | |
376 | ;; | |
377 | yes) | |
378 | ;; | |
379 | no) | |
380 | if test x${ENABLE_GOLD} != xyes; then | |
381 | AC_MSG_WARN([neither ld nor gold are enabled]) | |
382 | fi | |
383 | configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'` | |
384 | ;; | |
385 | *) | |
386 | AC_MSG_ERROR([invalid --enable-ld argument]) | |
387 | ;; | |
388 | esac | |
93f9b408 | 389 | |
edeefb67 L |
390 | # PR gas/19109 |
391 | # Decide the default method for compressing debug sections. | |
392 | # Provide a configure time option to override our default. | |
393 | AC_ARG_ENABLE(compressed_debug_sections, | |
6c3bc0f8 | 394 | [AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,gold,ld,none}], |
edeefb67 L |
395 | [Enable compressed debug sections for gas, gold or ld by |
396 | default])], | |
397 | [ | |
398 | if test x"$enable_compressed_debug_sections" = xyes; then | |
399 | AC_MSG_ERROR([no program with compressed debug sections specified]) | |
400 | fi | |
401 | ], [enable_compressed_debug_sections=]) | |
402 | ||
252b5132 RH |
403 | # Configure extra directories which are host specific |
404 | ||
405 | case "${host}" in | |
f48556b1 | 406 | *-cygwin*) |
3866be5d | 407 | configdirs="$configdirs libtermcap" ;; |
252b5132 RH |
408 | esac |
409 | ||
59f7ec45 HPN |
410 | # A target can indicate whether a language isn't supported for some reason. |
411 | # Only spaces may be used in this macro; not newlines or tabs. | |
412 | unsupported_languages= | |
413 | ||
7ec59b9e | 414 | # Remove more programs from consideration, based on the host or |
252b5132 RH |
415 | # target this usually means that a port of the program doesn't |
416 | # exist yet. | |
417 | ||
252b5132 | 418 | case "${host}" in |
3516a403 | 419 | i[[3456789]]86-*-msdosdjgpp*) |
6a608608 | 420 | noconfigdirs="$noconfigdirs tcl tk itcl" |
252b5132 | 421 | ;; |
252b5132 RH |
422 | esac |
423 | ||
4b1cb4fe | 424 | |
89a1e9c3 PB |
425 | AC_ARG_ENABLE(libquadmath, |
426 | AS_HELP_STRING([--disable-libquadmath], | |
427 | [do not build libquadmath directory]), | |
428 | ENABLE_LIBQUADMATH=$enableval, | |
429 | ENABLE_LIBQUADMATH=yes) | |
430 | if test "${ENABLE_LIBQUADMATH}" = "no" ; then | |
431 | noconfigdirs="$noconfigdirs target-libquadmath" | |
432 | fi | |
433 | ||
434 | ||
435 | AC_ARG_ENABLE(libquadmath-support, | |
436 | AS_HELP_STRING([--disable-libquadmath-support], | |
437 | [disable libquadmath support for Fortran]), | |
438 | ENABLE_LIBQUADMATH_SUPPORT=$enableval, | |
439 | ENABLE_LIBQUADMATH_SUPPORT=yes) | |
440 | enable_libquadmath_support= | |
441 | if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then | |
442 | enable_libquadmath_support=no | |
443 | fi | |
444 | ||
445 | ||
a2592b1b | 446 | AC_ARG_ENABLE(libada, |
7837304f | 447 | [AS_HELP_STRING([--enable-libada], [build libada directory])], |
a2592b1b DD |
448 | ENABLE_LIBADA=$enableval, |
449 | ENABLE_LIBADA=yes) | |
450 | if test "${ENABLE_LIBADA}" != "yes" ; then | |
b00612cc | 451 | noconfigdirs="$noconfigdirs gnattools" |
a2592b1b DD |
452 | fi |
453 | ||
5f128533 | 454 | AC_ARG_ENABLE(libssp, |
7837304f | 455 | [AS_HELP_STRING([--enable-libssp], [build libssp directory])], |
5f128533 KH |
456 | ENABLE_LIBSSP=$enableval, |
457 | ENABLE_LIBSSP=yes) | |
5f128533 | 458 | |
f66a9a70 L |
459 | AC_ARG_ENABLE(libstdcxx, |
460 | AS_HELP_STRING([--disable-libstdcxx], | |
461 | [do not build libstdc++-v3 directory]), | |
462 | ENABLE_LIBSTDCXX=$enableval, | |
463 | ENABLE_LIBSTDCXX=default) | |
464 | [if test "${ENABLE_LIBSTDCXX}" = "no" ; then | |
1b6c0831 | 465 | noconfigdirs="$noconfigdirs target-libstdc++-v3" |
f66a9a70 L |
466 | fi] |
467 | ||
1b6c0831 L |
468 | # If this is accelerator compiler and its target is intelmic we enable |
469 | # target liboffloadmic by default. If this is compiler with offloading | |
470 | # for intelmic we enable host liboffloadmic by default. Otherwise | |
471 | # liboffloadmic is disabled by default. | |
472 | AC_ARG_ENABLE([liboffloadmic], | |
473 | AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]], | |
474 | [build liboffloadmic @<:@ARG={no,host,target}@:>@]), | |
475 | [case "$enableval" in | |
476 | no | host | target) | |
477 | enable_liboffloadmic=$enableval ;; | |
478 | *) | |
479 | AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;; | |
480 | esac], | |
481 | [if test x"$enable_as_accelerator_for" != x; then | |
482 | case "${target}" in | |
483 | *-intelmic-* | *-intelmicemul-*) | |
484 | enable_liboffloadmic=target | |
485 | extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target" | |
486 | ;; | |
487 | *) | |
488 | enable_liboffloadmic=no | |
489 | ;; | |
490 | esac | |
491 | else | |
492 | case "${enable_offload_targets}" in | |
493 | *-intelmic-* | *-intelmicemul-*) | |
494 | enable_liboffloadmic=host | |
495 | extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host" | |
496 | ;; | |
497 | *) | |
498 | enable_liboffloadmic=no | |
499 | ;; | |
500 | esac | |
501 | fi]) | |
502 | AC_SUBST(extra_liboffloadmic_configure_flags) | |
503 | ||
68996839 | 504 | # Enable libgomp by default on hosted POSIX systems, and a few others. |
a6df5a19 | 505 | if test x$enable_libgomp = x ; then |
b3ded179 | 506 | case "${target}" in |
29383458 | 507 | *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) |
b3ded179 | 508 | ;; |
5b806d27 | 509 | *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*) |
b3ded179 | 510 | ;; |
2479f722 | 511 | *-*-solaris2* | *-*-hpux11*) |
b3ded179 PB |
512 | ;; |
513 | *-*-darwin* | *-*-aix*) | |
514 | ;; | |
68996839 NC |
515 | nvptx*-*-*) |
516 | ;; | |
b3ded179 PB |
517 | *) |
518 | noconfigdirs="$noconfigdirs target-libgomp" | |
519 | ;; | |
520 | esac | |
a6df5a19 | 521 | fi |
b3ded179 | 522 | |
7ec59b9e L |
523 | # Disable libatomic on unsupported systems. |
524 | if test -d ${srcdir}/libatomic; then | |
525 | if test x$enable_libatomic = x; then | |
526 | AC_MSG_CHECKING([for libatomic support]) | |
527 | if (srcdir=${srcdir}/libatomic; \ | |
528 | . ${srcdir}/configure.tgt; \ | |
529 | test -n "$UNSUPPORTED") | |
530 | then | |
531 | AC_MSG_RESULT([no]) | |
532 | noconfigdirs="$noconfigdirs target-libatomic" | |
533 | else | |
534 | AC_MSG_RESULT([yes]) | |
535 | fi | |
536 | fi | |
537 | fi | |
538 | ||
522e3d71 | 539 | # Disable libcilkrts on unsupported systems. |
540 | if test -d ${srcdir}/libcilkrts; then | |
541 | if test x$enable_libcilkrts = x; then | |
542 | AC_MSG_CHECKING([for libcilkrts support]) | |
543 | if (srcdir=${srcdir}/libcilkrts; \ | |
544 | . ${srcdir}/configure.tgt; \ | |
545 | test -n "$UNSUPPORTED") | |
546 | then | |
547 | AC_MSG_RESULT([no]) | |
548 | noconfigdirs="$noconfigdirs target-libcilkrts" | |
549 | else | |
550 | AC_MSG_RESULT([yes]) | |
551 | fi | |
552 | fi | |
553 | fi | |
554 | ||
1b6c0831 L |
555 | # Disable liboffloadmic on unsupported systems. |
556 | if test -d ${srcdir}/liboffloadmic; then | |
557 | if test x$enable_liboffloadmic != xno; then | |
558 | AC_MSG_CHECKING([for liboffloadmic support]) | |
559 | if (srcdir=${srcdir}/liboffloadmic; \ | |
560 | . ${srcdir}/configure.tgt; \ | |
561 | test -n "$UNSUPPORTED") | |
562 | then | |
563 | AC_MSG_RESULT([no]) | |
564 | noconfigdirs="$noconfigdirs target-liboffloadmic" | |
565 | else | |
566 | AC_MSG_RESULT([yes]) | |
567 | fi | |
568 | fi | |
569 | fi | |
570 | ||
d32e2926 RH |
571 | # Disable libitm on unsupported systems. |
572 | if test -d ${srcdir}/libitm; then | |
573 | if test x$enable_libitm = x; then | |
574 | AC_MSG_CHECKING([for libitm support]) | |
575 | if (srcdir=${srcdir}/libitm; \ | |
576 | . ${srcdir}/configure.tgt; \ | |
577 | test -n "$UNSUPPORTED") | |
578 | then | |
579 | AC_MSG_RESULT([no]) | |
580 | noconfigdirs="$noconfigdirs target-libitm" | |
581 | else | |
582 | AC_MSG_RESULT([yes]) | |
583 | fi | |
584 | fi | |
585 | fi | |
586 | ||
5286fdef L |
587 | # Disable libsanitizer on unsupported systems. |
588 | if test -d ${srcdir}/libsanitizer; then | |
589 | if test x$enable_libsanitizer = x; then | |
590 | AC_MSG_CHECKING([for libsanitizer support]) | |
591 | if (srcdir=${srcdir}/libsanitizer; \ | |
592 | . ${srcdir}/configure.tgt; \ | |
593 | test -n "$UNSUPPORTED") | |
594 | then | |
595 | AC_MSG_RESULT([no]) | |
596 | noconfigdirs="$noconfigdirs target-libsanitizer" | |
597 | else | |
598 | AC_MSG_RESULT([yes]) | |
599 | fi | |
600 | fi | |
601 | fi | |
602 | ||
95e43135 JBG |
603 | # Disable libvtv on unsupported systems. |
604 | if test -d ${srcdir}/libvtv; then | |
605 | if test x$enable_libvtv = x; then | |
606 | AC_MSG_CHECKING([for libvtv support]) | |
607 | if (srcdir=${srcdir}/libvtv; \ | |
608 | . ${srcdir}/configure.tgt; \ | |
609 | test "$VTV_SUPPORTED" != "yes") | |
610 | then | |
611 | AC_MSG_RESULT([no]) | |
612 | noconfigdirs="$noconfigdirs target-libvtv" | |
613 | else | |
614 | AC_MSG_RESULT([yes]) | |
615 | fi | |
616 | fi | |
617 | fi | |
618 | ||
1b6c0831 L |
619 | |
620 | # Enable libmpx on supported systems by request. | |
621 | if test -d ${srcdir}/libmpx; then | |
4849dfd8 | 622 | if test x$enable_libmpx = x; then |
1b6c0831 L |
623 | AC_MSG_CHECKING([for libmpx support]) |
624 | if (srcdir=${srcdir}/libmpx; \ | |
625 | . ${srcdir}/configure.tgt; \ | |
626 | test "$LIBMPX_SUPPORTED" != "yes") | |
627 | then | |
628 | AC_MSG_RESULT([no]) | |
629 | noconfigdirs="$noconfigdirs target-libmpx" | |
630 | else | |
631 | AC_MSG_RESULT([yes]) | |
632 | fi | |
1b6c0831 L |
633 | fi |
634 | fi | |
635 | ||
636 | ||
637 | ||
1488e230 DE |
638 | # Disable libquadmath for some systems. |
639 | case "${target}" in | |
5286fdef L |
640 | avr-*-*) |
641 | noconfigdirs="$noconfigdirs target-libquadmath" | |
642 | ;; | |
1488e230 DE |
643 | # libquadmath is unused on AIX and libquadmath build process use of |
644 | # LD_LIBRARY_PATH can break AIX bootstrap. | |
645 | powerpc-*-aix* | rs6000-*-aix*) | |
646 | noconfigdirs="$noconfigdirs target-libquadmath" | |
647 | ;; | |
648 | esac | |
649 | ||
065a5627 JM |
650 | # Disable libssp for some systems. |
651 | case "${target}" in | |
652 | avr-*-*) | |
c5f5c3c2 | 653 | # No hosted I/O support. |
065a5627 JM |
654 | noconfigdirs="$noconfigdirs target-libssp" |
655 | ;; | |
656 | powerpc-*-aix* | rs6000-*-aix*) | |
657 | noconfigdirs="$noconfigdirs target-libssp" | |
658 | ;; | |
99c513f6 | 659 | rl78-*-*) |
202e2356 NC |
660 | # libssp uses a misaligned load to trigger a fault, but the RL78 |
661 | # doesn't fault for those - instead, it gives a build-time error | |
662 | # for explicit misaligned loads. | |
99c513f6 DD |
663 | noconfigdirs="$noconfigdirs target-libssp" |
664 | ;; | |
1b6c0831 L |
665 | visium-*-*) |
666 | # No hosted I/O support. | |
667 | noconfigdirs="$noconfigdirs target-libssp" | |
668 | ;; | |
065a5627 JM |
669 | esac |
670 | ||
065a5627 | 671 | # Disable libstdc++-v3 for some systems. |
f66a9a70 L |
672 | # Allow user to override this if they pass --enable-libstdc++-v3 |
673 | if test "${ENABLE_LIBSTDCXX}" = "default" ; then | |
674 | case "${target}" in | |
675 | *-*-vxworks*) | |
676 | # VxWorks uses the Dinkumware C++ library. | |
677 | noconfigdirs="$noconfigdirs target-libstdc++-v3" | |
678 | ;; | |
679 | arm*-wince-pe*) | |
680 | # the C++ libraries don't build on top of CE's C libraries | |
681 | noconfigdirs="$noconfigdirs target-libstdc++-v3" | |
682 | ;; | |
683 | avr-*-*) | |
684 | noconfigdirs="$noconfigdirs target-libstdc++-v3" | |
685 | ;; | |
969b1713 L |
686 | ft32-*-*) |
687 | noconfigdirs="$noconfigdirs target-libstdc++-v3" | |
688 | ;; | |
f66a9a70 L |
689 | esac |
690 | fi | |
065a5627 JM |
691 | |
692 | # Disable Fortran for some systems. | |
693 | case "${target}" in | |
694 | mmix-*-*) | |
695 | # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>. | |
696 | unsupported_languages="$unsupported_languages fortran" | |
697 | ;; | |
698 | esac | |
699 | ||
05a13254 | 700 | # Disable libffi for some systems. |
0827f9a6 | 701 | case "${target}" in |
9863d716 JM |
702 | powerpc-*-darwin*) |
703 | ;; | |
704 | i[[3456789]]86-*-darwin*) | |
705 | ;; | |
706 | x86_64-*-darwin[[912]]*) | |
707 | ;; | |
708 | *-*-darwin*) | |
05a13254 | 709 | noconfigdirs="$noconfigdirs target-libffi" |
9863d716 | 710 | ;; |
9863d716 | 711 | *-*-netware*) |
05a13254 NC |
712 | noconfigdirs="$noconfigdirs target-libffi" |
713 | ;; | |
714 | *-*-phoenix*) | |
715 | noconfigdirs="$noconfigdirs target-libffi" | |
9863d716 JM |
716 | ;; |
717 | *-*-rtems*) | |
05a13254 | 718 | noconfigdirs="$noconfigdirs target-libffi" |
9863d716 JM |
719 | ;; |
720 | *-*-tpf*) | |
05a13254 | 721 | noconfigdirs="$noconfigdirs target-libffi" |
9863d716 JM |
722 | ;; |
723 | *-*-uclinux*) | |
05a13254 | 724 | noconfigdirs="$noconfigdirs target-libffi" |
9863d716 JM |
725 | ;; |
726 | *-*-vxworks*) | |
05a13254 NC |
727 | noconfigdirs="$noconfigdirs target-libffi" |
728 | ;; | |
729 | aarch64*-*-freebsd*) | |
730 | noconfigdirs="$noconfigdirs target-libffi" | |
9863d716 | 731 | ;; |
9863d716 | 732 | alpha*-*-*vms*) |
05a13254 | 733 | noconfigdirs="$noconfigdirs target-libffi" |
9863d716 | 734 | ;; |
1b6c0831 | 735 | arm*-*-freebsd*) |
05a13254 | 736 | noconfigdirs="$noconfigdirs target-libffi" |
1b6c0831 | 737 | ;; |
0827f9a6 | 738 | arm-wince-pe) |
05a13254 | 739 | noconfigdirs="$noconfigdirs target-libffi" |
9863d716 | 740 | ;; |
9863d716 | 741 | arm*-*-symbianelf*) |
05a13254 | 742 | noconfigdirs="$noconfigdirs target-libffi" |
9863d716 | 743 | ;; |
9863d716 | 744 | cris-*-* | crisv32-*-*) |
9863d716 JM |
745 | case "${target}" in |
746 | *-*-linux*) | |
747 | ;; | |
748 | *) # See PR46792 regarding target-libffi. | |
05a13254 | 749 | noconfigdirs="$noconfigdirs target-libffi";; |
9863d716 JM |
750 | esac |
751 | ;; | |
82ae827f | 752 | hppa*64*-*-hpux*) |
05a13254 | 753 | noconfigdirs="$noconfigdirs target-libffi" |
9863d716 JM |
754 | ;; |
755 | hppa*-hp-hpux11*) | |
756 | ;; | |
82ae827f | 757 | hppa*-*-hpux*) |
05a13254 | 758 | noconfigdirs="$noconfigdirs target-libffi" |
9863d716 | 759 | ;; |
9863d716 | 760 | ia64*-*-*vms*) |
05a13254 | 761 | noconfigdirs="$noconfigdirs target-libffi" |
9863d716 | 762 | ;; |
9863d716 | 763 | i[[3456789]]86-w64-mingw*) |
05a13254 | 764 | noconfigdirs="$noconfigdirs target-libffi" |
9863d716 JM |
765 | ;; |
766 | i[[3456789]]86-*-mingw*) | |
05a13254 | 767 | noconfigdirs="$noconfigdirs target-libffi" |
9863d716 JM |
768 | ;; |
769 | x86_64-*-mingw*) | |
05a13254 | 770 | noconfigdirs="$noconfigdirs target-libffi" |
9863d716 | 771 | ;; |
9863d716 | 772 | mmix-*-*) |
05a13254 | 773 | noconfigdirs="$noconfigdirs target-libffi" |
9863d716 JM |
774 | ;; |
775 | powerpc-*-aix*) | |
776 | # copied from rs6000-*-* entry | |
05a13254 | 777 | noconfigdirs="$noconfigdirs target-libffi" |
9863d716 | 778 | ;; |
9863d716 | 779 | rs6000-*-aix*) |
05a13254 | 780 | noconfigdirs="$noconfigdirs target-libffi" |
9863d716 | 781 | ;; |
3f8107ab | 782 | ft32-*-*) |
05a13254 | 783 | noconfigdirs="$noconfigdirs target-libffi" |
3f8107ab | 784 | ;; |
9863d716 | 785 | *-*-lynxos*) |
05a13254 | 786 | noconfigdirs="$noconfigdirs target-libffi" |
1b6c0831 L |
787 | ;; |
788 | esac | |
789 | ||
790 | # Disable the go frontend on systems where it is known to not work. Please keep | |
791 | # this in sync with contrib/config-list.mk. | |
792 | case "${target}" in | |
793 | *-*-darwin* | *-*-cygwin* | *-*-mingw* | *-*-aix*) | |
794 | unsupported_languages="$unsupported_languages go" | |
795 | ;; | |
9863d716 JM |
796 | esac |
797 | ||
a413f71a ILT |
798 | # Disable libgo for some systems where it is known to not work. |
799 | # For testing, you can easily override this with --enable-libgo. | |
800 | if test x$enable_libgo = x; then | |
801 | case "${target}" in | |
802 | *-*-darwin*) | |
803 | # PR 46986 | |
804 | noconfigdirs="$noconfigdirs target-libgo" | |
805 | ;; | |
806 | *-*-cygwin* | *-*-mingw*) | |
807 | noconfigdirs="$noconfigdirs target-libgo" | |
808 | ;; | |
809 | *-*-aix*) | |
810 | noconfigdirs="$noconfigdirs target-libgo" | |
811 | ;; | |
812 | esac | |
813 | fi | |
814 | ||
691bb5a1 DD |
815 | # Default libgloss CPU subdirectory. |
816 | libgloss_dir="$target_cpu" | |
4b1cb4fe | 817 | |
ff46fb8f JM |
818 | case "${target}" in |
819 | sh*-*-pe|mips*-*-pe|*arm-wince-pe) | |
820 | libgloss_dir=wince | |
821 | ;; | |
f1dd87fc YZ |
822 | aarch64*-*-* ) |
823 | libgloss_dir=aarch64 | |
824 | ;; | |
ff46fb8f JM |
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 | ||
c7e4b184 | 854 | # Disable newlib and libgloss for various target OSes. |
252b5132 | 855 | case "${target}" in |
c7e4b184 JM |
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 | ;; | |
75205f78 | 886 | *-*-chorusos) |
b2f14e4a | 887 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" |
75205f78 | 888 | ;; |
c7e4b184 JM |
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" | |
7ec59b9e | 900 | ;; |
c7e4b184 JM |
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 | ;; | |
f075eb5e TG |
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 | ;; | |
24741ab2 | 932 | powerpc-*-darwin*) |
9d39db92 | 933 | noconfigdirs="$noconfigdirs ld gas gdb gprof" |
4e3fc8e5 | 934 | noconfigdirs="$noconfigdirs sim target-rda" |
b3f16a9b | 935 | ;; |
85bd1942 TG |
936 | i[[3456789]]86-*-darwin*) |
937 | noconfigdirs="$noconfigdirs ld gprof" | |
938 | noconfigdirs="$noconfigdirs sim target-rda" | |
939 | ;; | |
e8a5fa9c | 940 | x86_64-*-darwin[[912]]*) |
652dec25 TG |
941 | noconfigdirs="$noconfigdirs ld gas gprof" |
942 | noconfigdirs="$noconfigdirs sim target-rda" | |
943 | ;; | |
04d1ab34 | 944 | *-*-darwin*) |
d320aacb | 945 | noconfigdirs="$noconfigdirs ld gas gdb gprof" |
4e3fc8e5 | 946 | noconfigdirs="$noconfigdirs sim target-rda" |
04d1ab34 | 947 | ;; |
5b806d27 | 948 | *-*-dragonfly*) |
5b806d27 | 949 | ;; |
de0b4a87 | 950 | *-*-freebsd*) |
4b1cb4fe DD |
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 | |
4b1cb4fe | 955 | ;; |
f8a495c8 NC |
956 | *-*-kaos*) |
957 | # Remove unsupported stuff on all kaOS configurations. | |
f8a495c8 NC |
958 | noconfigdirs="$noconfigdirs target-libgloss" |
959 | ;; | |
e82380cc | 960 | *-*-netbsd*) |
e82380cc | 961 | ;; |
2a3124ca | 962 | *-*-netware*) |
252b5132 | 963 | ;; |
05a13254 NC |
964 | *-*-phoenix*) |
965 | noconfigdirs="$noconfigdirs target-libgloss" | |
966 | ;; | |
252b5132 | 967 | *-*-rtems*) |
9863d716 | 968 | noconfigdirs="$noconfigdirs target-libgloss" |
252b5132 | 969 | ;; |
1587117a EC |
970 | # The tpf target doesn't support gdb yet. |
971 | *-*-tpf*) | |
c7e4b184 | 972 | noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl" |
1587117a | 973 | ;; |
c1968181 | 974 | *-*-uclinux*) |
c7e4b184 | 975 | noconfigdirs="$noconfigdirs target-rda" |
c1968181 | 976 | ;; |
252b5132 | 977 | *-*-vxworks*) |
252b5132 RH |
978 | ;; |
979 | alpha*-dec-osf*) | |
e99daf2b | 980 | # ld works, but does not support shared libraries. |
252b5132 | 981 | # gas doesn't generate exception information. |
c7e4b184 | 982 | noconfigdirs="$noconfigdirs gas ld" |
252b5132 RH |
983 | ;; |
984 | alpha*-*-*vms*) | |
9863d716 | 985 | noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss" |
75205f78 | 986 | ;; |
252b5132 RH |
987 | alpha*-*-*) |
988 | # newlib is not 64 bit ready | |
9863d716 | 989 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" |
252b5132 | 990 | ;; |
2fb651f6 | 991 | sh*-*-pe|mips*-*-pe|*arm-wince-pe) |
675c6968 | 992 | noconfigdirs="$noconfigdirs tcl tk itcl libgui sim" |
2fb651f6 | 993 | ;; |
05a13254 NC |
994 | arc*-*-*) |
995 | noconfigdirs="$noconfigdirs sim" | |
252b5132 RH |
996 | ;; |
997 | arm-*-pe*) | |
9863d716 | 998 | noconfigdirs="$noconfigdirs target-libgloss" |
252b5132 | 999 | ;; |
252b5132 | 1000 | arm-*-riscix*) |
b2f14e4a | 1001 | noconfigdirs="$noconfigdirs ld target-libgloss" |
252b5132 | 1002 | ;; |
8e71395b L |
1003 | avr-*-*) |
1004 | if test x${with_avrlibc} != xno; then | |
1005 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" | |
1006 | fi | |
1007 | ;; | |
ff72e302 | 1008 | c4x-*-* | tic4x-*-*) |
b2f14e4a | 1009 | noconfigdirs="$noconfigdirs target-libgloss" |
077b8428 | 1010 | ;; |
b2f14e4a JM |
1011 | tic54x-*-*) |
1012 | noconfigdirs="$noconfigdirs target-libgloss gdb" | |
75205f78 | 1013 | ;; |
252b5132 | 1014 | d10v-*-*) |
b2f14e4a | 1015 | noconfigdirs="$noconfigdirs target-libgloss" |
252b5132 | 1016 | ;; |
252b5132 | 1017 | d30v-*-*) |
b2f14e4a | 1018 | noconfigdirs="$noconfigdirs gdb" |
252b5132 | 1019 | ;; |
252b5132 | 1020 | fr30-*-elf*) |
9863d716 | 1021 | noconfigdirs="$noconfigdirs gdb" |
252b5132 | 1022 | ;; |
3f8107ab AM |
1023 | ft32-*-*) |
1024 | noconfigdirs="$noconfigdirs target-rda gprof" | |
1025 | ;; | |
20135e4c | 1026 | moxie-*-*) |
10b8fe5e | 1027 | noconfigdirs="$noconfigdirs" |
20135e4c | 1028 | ;; |
dd1e52a4 | 1029 | h8300*-*-*) |
9863d716 | 1030 | noconfigdirs="$noconfigdirs target-libgloss" |
dd1e52a4 | 1031 | ;; |
252b5132 | 1032 | h8500-*-*) |
b2f14e4a | 1033 | noconfigdirs="$noconfigdirs target-libgloss" |
75205f78 | 1034 | ;; |
caeba88f | 1035 | hppa1.1-*-osf* | hppa1.1-*-bsd* ) |
caeba88f | 1036 | ;; |
5569a85f JDA |
1037 | hppa*64*-*-hpux*) |
1038 | noconfigdirs="$noconfigdirs gdb" | |
1039 | ;; | |
1040 | hppa*-*-hpux11*) | |
1041 | noconfigdirs="$noconfigdirs gdb ld" | |
1042 | ;; | |
93cc359e | 1043 | hppa*64*-*-linux*) |
252b5132 | 1044 | ;; |
f0ff0f90 | 1045 | hppa*-*-linux*) |
5dcac624 | 1046 | ;; |
252b5132 | 1047 | hppa*-*-*elf* | \ |
09e90eb4 | 1048 | hppa*-*-lites* | \ |
17240c1f | 1049 | hppa*-*-openbsd* | \ |
09e90eb4 | 1050 | hppa*64*-*-*) |
4f0ef2d8 | 1051 | ;; |
691bb5a1 | 1052 | hppa*-*-pro*) |
691bb5a1 | 1053 | ;; |
252b5132 | 1054 | hppa*-*-*) |
9863d716 | 1055 | noconfigdirs="$noconfigdirs ld" |
252b5132 | 1056 | ;; |
b07c2aad | 1057 | i960-*-*) |
b2f14e4a | 1058 | noconfigdirs="$noconfigdirs gdb" |
b07c2aad | 1059 | ;; |
2315914d JW |
1060 | ia64*-*-elf*) |
1061 | # No gdb support yet. | |
0377a422 | 1062 | noconfigdirs="$noconfigdirs readline libgui itcl gdb" |
2315914d | 1063 | ;; |
a0c1c920 | 1064 | ia64*-**-hpux*) |
92c9a463 | 1065 | # No ld support yet. |
5569a85f | 1066 | noconfigdirs="$noconfigdirs gdb libgui itcl ld" |
a0c1c920 | 1067 | ;; |
19e99079 | 1068 | ia64*-*-*vms*) |
7ec59b9e L |
1069 | # No ld support yet. |
1070 | noconfigdirs="$noconfigdirs libgui itcl ld" | |
19e99079 | 1071 | ;; |
1f53ca9a | 1072 | i[[3456789]]86-w64-mingw*) |
1f53ca9a AO |
1073 | ;; |
1074 | i[[3456789]]86-*-mingw*) | |
45055374 | 1075 | target_configdirs="$target_configdirs target-winsup" |
1f53ca9a | 1076 | ;; |
252b5132 RH |
1077 | *-*-cygwin*) |
1078 | target_configdirs="$target_configdirs target-libtermcap target-winsup" | |
0377a422 | 1079 | noconfigdirs="$noconfigdirs target-libgloss" |
b76d7de0 | 1080 | # always build newlib if winsup directory is present. |
45055374 | 1081 | if test -d "$srcdir/winsup/cygwin"; then |
b76d7de0 | 1082 | skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` |
ac0fa625 | 1083 | elif test -d "$srcdir/newlib"; then |
45055374 | 1084 | echo "Warning: winsup/cygwin is missing so newlib can't be built." |
b76d7de0 | 1085 | fi |
1f53ca9a | 1086 | ;; |
ec11bdc6 | 1087 | i[[3456789]]86-*-pe) |
782cb41f | 1088 | noconfigdirs="$noconfigdirs target-libgloss" |
252b5132 | 1089 | ;; |
ec11bdc6 | 1090 | i[[3456789]]86-*-sco3.2v5*) |
252b5132 RH |
1091 | # The linker does not yet know about weak symbols in COFF, |
1092 | # and is not configured to handle mixed ELF and COFF. | |
b2f14e4a | 1093 | noconfigdirs="$noconfigdirs ld target-libgloss" |
252b5132 | 1094 | ;; |
ec11bdc6 | 1095 | i[[3456789]]86-*-sco*) |
b2f14e4a | 1096 | noconfigdirs="$noconfigdirs gprof target-libgloss" |
252b5132 | 1097 | ;; |
cff32a7c | 1098 | i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*) |
252b5132 RH |
1099 | noconfigdirs="$noconfigdirs target-libgloss" |
1100 | ;; | |
ec11bdc6 | 1101 | i[[3456789]]86-*-sysv4*) |
b2f14e4a | 1102 | noconfigdirs="$noconfigdirs target-libgloss" |
252b5132 | 1103 | ;; |
ec11bdc6 | 1104 | i[[3456789]]86-*-beos*) |
c7e4b184 | 1105 | noconfigdirs="$noconfigdirs gdb" |
bba45b8b | 1106 | ;; |
b59bea8a | 1107 | i[[3456789]]86-*-rdos*) |
c7e4b184 | 1108 | noconfigdirs="$noconfigdirs gdb" |
691bb5a1 | 1109 | ;; |
75205f78 | 1110 | mmix-*-*) |
9863d716 | 1111 | noconfigdirs="$noconfigdirs gdb" |
75205f78 | 1112 | ;; |
4970f871 | 1113 | mt-*-*) |
cdb9b172 AH |
1114 | noconfigdirs="$noconfigdirs sim" |
1115 | ;; | |
252b5132 RH |
1116 | powerpc-*-aix*) |
1117 | # copied from rs6000-*-* entry | |
c7e4b184 | 1118 | noconfigdirs="$noconfigdirs gprof" |
252b5132 | 1119 | ;; |
93cc359e | 1120 | powerpc*-*-winnt* | powerpc*-*-pe*) |
252b5132 | 1121 | target_configdirs="$target_configdirs target-winsup" |
b2f14e4a | 1122 | noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl" |
252b5132 RH |
1123 | # always build newlib. |
1124 | skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` | |
1125 | ;; | |
1126 | # This is temporary until we can link against shared libraries | |
1127 | powerpcle-*-solaris*) | |
b2f14e4a | 1128 | noconfigdirs="$noconfigdirs gdb sim tcl tk itcl" |
ba73c63f JM |
1129 | ;; |
1130 | powerpc-*-beos*) | |
c7e4b184 | 1131 | noconfigdirs="$noconfigdirs gdb" |
252b5132 RH |
1132 | ;; |
1133 | rs6000-*-lynxos*) | |
c7e4b184 | 1134 | noconfigdirs="$noconfigdirs gprof" |
252b5132 RH |
1135 | ;; |
1136 | rs6000-*-aix*) | |
c7e4b184 | 1137 | noconfigdirs="$noconfigdirs gprof" |
252b5132 RH |
1138 | ;; |
1139 | rs6000-*-*) | |
9863d716 | 1140 | noconfigdirs="$noconfigdirs gprof" |
252b5132 RH |
1141 | ;; |
1142 | m68k-apollo-*) | |
b2f14e4a | 1143 | noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss" |
252b5132 | 1144 | ;; |
25a07265 | 1145 | microblaze*) |
9863d716 | 1146 | noconfigdirs="$noconfigdirs gprof" |
25a07265 | 1147 | ;; |
a9d58c06 | 1148 | mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) |
5bd8be13 RS |
1149 | if test x$with_newlib = xyes; then |
1150 | noconfigdirs="$noconfigdirs gprof" | |
1151 | fi | |
5bd8be13 | 1152 | ;; |
252b5132 | 1153 | mips*-*-irix5*) |
b2f14e4a | 1154 | noconfigdirs="$noconfigdirs gprof target-libgloss" |
252b5132 RH |
1155 | ;; |
1156 | mips*-*-irix6*) | |
9863d716 | 1157 | noconfigdirs="$noconfigdirs gprof target-libgloss" |
252b5132 | 1158 | ;; |
252b5132 | 1159 | mips*-*-bsd*) |
e8044f35 | 1160 | noconfigdirs="$noconfigdirs ld gas gprof target-libgloss" |
252b5132 | 1161 | ;; |
fad93c55 | 1162 | mips*-*-linux*) |
fad93c55 | 1163 | ;; |
e8044f35 RS |
1164 | mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \ |
1165 | | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*) | |
1166 | noconfigdirs="$noconfigdirs ld gas gprof" | |
1167 | ;; | |
252b5132 | 1168 | mips*-*-*) |
9863d716 | 1169 | noconfigdirs="$noconfigdirs gprof" |
252b5132 | 1170 | ;; |
1b6c0831 | 1171 | nvptx*-*-*) |
1b6c0831 L |
1172 | noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc" |
1173 | ;; | |
05a13254 | 1174 | sh-*-*) |
e8a5fa9c RW |
1175 | case "${target}" in |
1176 | sh*-*-elf) | |
9863d716 | 1177 | ;; |
e8a5fa9c | 1178 | *) |
9863d716 | 1179 | noconfigdirs="$noconfigdirs target-libgloss" ;; |
e8a5fa9c | 1180 | esac |
252b5132 | 1181 | ;; |
252b5132 | 1182 | sparc-*-sunos4*) |
c7e4b184 | 1183 | if test x${is_cross_compiler} = xno ; then |
252b5132 RH |
1184 | use_gnu_ld=no |
1185 | fi | |
1186 | ;; | |
619a3713 | 1187 | tic6x-*-*) |
40ae9136 | 1188 | noconfigdirs="$noconfigdirs sim" |
619a3713 | 1189 | ;; |
05a13254 | 1190 | tilepro*-*-* | tilegx*-*-*) |
eb4b2452 NC |
1191 | noconfigdirs="$noconfigdirs sim" |
1192 | ;; | |
252b5132 | 1193 | v810-*-*) |
b2f14e4a | 1194 | noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss" |
252b5132 RH |
1195 | ;; |
1196 | vax-*-*) | |
9863d716 | 1197 | noconfigdirs="$noconfigdirs target-newlib target-libgloss" |
96ce09a7 | 1198 | ;; |
252b5132 RH |
1199 | esac |
1200 | ||
1201 | # If we aren't building newlib, then don't build libgloss, since libgloss | |
1202 | # depends upon some newlib header files. | |
1203 | case "${noconfigdirs}" in | |
1204 | *target-libgloss*) ;; | |
1205 | *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;; | |
f48556b1 | 1206 | esac |
252b5132 | 1207 | |
f48556b1 | 1208 | # Work in distributions that contain no compiler tools, like Autoconf. |
a0da8069 | 1209 | host_makefile_frag=/dev/null |
f48556b1 DD |
1210 | if test -d ${srcdir}/config ; then |
1211 | case "${host}" in | |
ec11bdc6 | 1212 | i[[3456789]]86-*-msdosdjgpp*) |
f48556b1 DD |
1213 | host_makefile_frag="config/mh-djgpp" |
1214 | ;; | |
1215 | *-cygwin*) | |
e33b51a6 | 1216 | ACX_CHECK_CYGWIN_CAT_WORKS |
f48556b1 DD |
1217 | host_makefile_frag="config/mh-cygwin" |
1218 | ;; | |
8a1599ab | 1219 | *-mingw*) |
84e7906e | 1220 | host_makefile_frag="config/mh-mingw" |
80f6dcbc | 1221 | ;; |
ce6c656d L |
1222 | alpha*-linux*) |
1223 | host_makefile_frag="config/mh-alpha-linux" | |
1224 | ;; | |
da888c87 | 1225 | hppa*-hp-hpux10*) |
da888c87 | 1226 | host_makefile_frag="config/mh-pa-hpux10" |
f48556b1 | 1227 | ;; |
3516a403 | 1228 | hppa*-hp-hpux*) |
da888c87 PB |
1229 | host_makefile_frag="config/mh-pa" |
1230 | ;; | |
7ec59b9e | 1231 | hppa*-*) |
da888c87 PB |
1232 | host_makefile_frag="config/mh-pa" |
1233 | ;; | |
e552509b ILT |
1234 | *-*-darwin*) |
1235 | host_makefile_frag="config/mh-darwin" | |
0df3d27f | 1236 | ;; |
f6d183c0 PB |
1237 | powerpc-*-aix*) |
1238 | host_makefile_frag="config/mh-ppc-aix" | |
1239 | ;; | |
1240 | rs6000-*-aix*) | |
1241 | host_makefile_frag="config/mh-ppc-aix" | |
1242 | ;; | |
f48556b1 DD |
1243 | esac |
1244 | fi | |
1245 | ||
9e07f89d | 1246 | if test "${build}" != "${host}" ; then |
b5714970 PB |
1247 | AR_FOR_BUILD=${AR_FOR_BUILD-ar} |
1248 | AS_FOR_BUILD=${AS_FOR_BUILD-as} | |
9e07f89d | 1249 | CC_FOR_BUILD=${CC_FOR_BUILD-gcc} |
b5714970 | 1250 | CXX_FOR_BUILD=${CXX_FOR_BUILD-g++} |
b5714970 | 1251 | GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran} |
e552509b | 1252 | GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo} |
b5714970 PB |
1253 | DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool} |
1254 | LD_FOR_BUILD=${LD_FOR_BUILD-ld} | |
1255 | NM_FOR_BUILD=${NM_FOR_BUILD-nm} | |
1256 | RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib} | |
1257 | WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres} | |
1258 | WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc} | |
9e07f89d | 1259 | else |
b5714970 PB |
1260 | AR_FOR_BUILD="\$(AR)" |
1261 | AS_FOR_BUILD="\$(AS)" | |
9e07f89d | 1262 | CC_FOR_BUILD="\$(CC)" |
b5714970 | 1263 | CXX_FOR_BUILD="\$(CXX)" |
b5714970 | 1264 | GFORTRAN_FOR_BUILD="\$(GFORTRAN)" |
e552509b | 1265 | GOC_FOR_BUILD="\$(GOC)" |
b5714970 PB |
1266 | DLLTOOL_FOR_BUILD="\$(DLLTOOL)" |
1267 | LD_FOR_BUILD="\$(LD)" | |
1268 | NM_FOR_BUILD="\$(NM)" | |
1269 | RANLIB_FOR_BUILD="\$(RANLIB)" | |
1270 | WINDRES_FOR_BUILD="\$(WINDRES)" | |
1271 | WINDMC_FOR_BUILD="\$(WINDMC)" | |
24ff9987 | 1272 | fi |
9e07f89d | 1273 | |
24ff9987 DJ |
1274 | AC_PROG_CC |
1275 | AC_PROG_CXX | |
1276 | ||
1277 | # We must set the default linker to the linker used by gcc for the correct | |
1278 | # operation of libtool. If LD is not defined and we are using gcc, try to | |
1279 | # set the LD default to the ld used by gcc. | |
1280 | if test -z "$LD"; then | |
1281 | if test "$GCC" = yes; then | |
1282 | case $build in | |
1283 | *-*-mingw*) | |
1284 | gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;; | |
1285 | *) | |
1286 | gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;; | |
1287 | esac | |
1288 | case $gcc_prog_ld in | |
1289 | # Accept absolute paths. | |
1290 | [[\\/]* | [A-Za-z]:[\\/]*)] | |
1291 | LD="$gcc_prog_ld" ;; | |
1292 | esac | |
1293 | fi | |
9e07f89d NN |
1294 | fi |
1295 | ||
b3676d82 EB |
1296 | # Check whether -static-libstdc++ -static-libgcc is supported. |
1297 | have_static_libs=no | |
1298 | if test "$GCC" = yes; then | |
1299 | saved_LDFLAGS="$LDFLAGS" | |
1300 | ||
1301 | LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc" | |
1302 | AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc]) | |
1303 | AC_LANG_PUSH(C++) | |
a882be68 EB |
1304 | AC_LINK_IFELSE([ |
1305 | #if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5) | |
1306 | #error -static-libstdc++ not implemented | |
1307 | #endif | |
1308 | int main() {}], | |
b3676d82 EB |
1309 | [AC_MSG_RESULT([yes]); have_static_libs=yes], |
1310 | [AC_MSG_RESULT([no])]) | |
1311 | AC_LANG_POP(C++) | |
1312 | ||
1313 | LDFLAGS="$saved_LDFLAGS" | |
1314 | fi | |
1315 | ||
9e07f89d | 1316 | ACX_PROG_GNAT |
b8908782 | 1317 | ACX_PROG_CMP_IGNORE_INITIAL |
9e07f89d | 1318 | |
ffdd6afc ILT |
1319 | AC_ARG_ENABLE([bootstrap], |
1320 | [AS_HELP_STRING([--enable-bootstrap], | |
1321 | [enable bootstrapping @<:@yes if native build@:>@])],, | |
1322 | enable_bootstrap=default) | |
1323 | ||
1324 | # Issue errors and warnings for invalid/strange bootstrap combinations. | |
1325 | if test -r $srcdir/gcc/configure; then | |
1326 | have_compiler=yes | |
1327 | else | |
1328 | have_compiler=no | |
1329 | fi | |
1330 | ||
1331 | case "$have_compiler:$host:$target:$enable_bootstrap" in | |
1332 | *:*:*:no) ;; | |
1333 | ||
1334 | # Default behavior. Enable bootstrap if we have a compiler | |
1335 | # and we are in a native configuration. | |
1336 | yes:$build:$build:default) | |
1337 | enable_bootstrap=yes ;; | |
1338 | ||
1339 | *:*:*:default) | |
1340 | enable_bootstrap=no ;; | |
1341 | ||
1342 | # We have a compiler and we are in a native configuration, bootstrap is ok | |
1343 | yes:$build:$build:yes) | |
1344 | ;; | |
1345 | ||
1346 | # Other configurations, but we have a compiler. Assume the user knows | |
1347 | # what he's doing. | |
1348 | yes:*:*:yes) | |
1349 | AC_MSG_WARN([trying to bootstrap a cross compiler]) | |
1350 | ;; | |
1351 | ||
1352 | # No compiler: if they passed --enable-bootstrap explicitly, fail | |
1353 | no:*:*:yes) | |
1354 | AC_MSG_ERROR([cannot bootstrap without a compiler]) ;; | |
1355 | ||
1356 | # Fail if wrong command line | |
1357 | *) | |
1358 | AC_MSG_ERROR([invalid option for --enable-bootstrap]) | |
1359 | ;; | |
1360 | esac | |
1361 | ||
ce6c656d L |
1362 | # When bootstrapping with GCC, build stage 1 in C++98 mode to ensure that a |
1363 | # C++98 compiler can still start the bootstrap. | |
1364 | if test "$enable_bootstrap:$GXX" = "yes:yes"; then | |
1365 | CXX="$CXX -std=gnu++98" | |
1366 | fi | |
1367 | ||
d5f2ee2e KG |
1368 | # Used for setting $lt_cv_objdir |
1369 | _LT_CHECK_OBJDIR | |
1370 | ||
e8a5fa9c | 1371 | # Check for GMP, MPFR and MPC |
d9b76ff9 | 1372 | gmplibs="-lmpc -lmpfr -lgmp" |
4b1cb4fe | 1373 | gmpinc= |
4b900473 | 1374 | have_gmp=no |
e8a5fa9c RW |
1375 | |
1376 | # Specify a location for mpc | |
1377 | # check for this first so it ends up on the link line before mpfr. | |
7837304f AS |
1378 | AC_ARG_WITH(mpc, |
1379 | [AS_HELP_STRING([--with-mpc=PATH], | |
1380 | [specify prefix directory for installed MPC package. | |
1381 | Equivalent to --with-mpc-include=PATH/include | |
1382 | plus --with-mpc-lib=PATH/lib])]) | |
1383 | AC_ARG_WITH(mpc-include, | |
1384 | [AS_HELP_STRING([--with-mpc-include=PATH], | |
1385 | [specify directory for installed MPC include files])]) | |
1386 | AC_ARG_WITH(mpc-lib, | |
1387 | [AS_HELP_STRING([--with-mpc-lib=PATH], | |
1388 | [specify directory for the installed MPC library])]) | |
e8a5fa9c RW |
1389 | |
1390 | if test "x$with_mpc" != x; then | |
d9b76ff9 KG |
1391 | gmplibs="-L$with_mpc/lib $gmplibs" |
1392 | gmpinc="-I$with_mpc/include $gmpinc" | |
e8a5fa9c RW |
1393 | fi |
1394 | if test "x$with_mpc_include" != x; then | |
d9b76ff9 | 1395 | gmpinc="-I$with_mpc_include $gmpinc" |
e8a5fa9c RW |
1396 | fi |
1397 | if test "x$with_mpc_lib" != x; then | |
d9b76ff9 | 1398 | gmplibs="-L$with_mpc_lib $gmplibs" |
e8a5fa9c RW |
1399 | fi |
1400 | if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then | |
d5f2ee2e | 1401 | gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs" |
d9b76ff9 | 1402 | gmpinc='-I$$s/mpc/src '"$gmpinc" |
e8a5fa9c RW |
1403 | # Do not test the mpc version. Assume that it is sufficient, since |
1404 | # it is in the source tree, and the library has not been built yet | |
1405 | # but it would be included on the link line in the version check below | |
1406 | # hence making the test fail. | |
d9b76ff9 | 1407 | have_gmp=yes |
e8a5fa9c | 1408 | fi |
4b900473 | 1409 | |
11b04d1f DD |
1410 | # Specify a location for mpfr |
1411 | # check for this first so it ends up on the link line before gmp. | |
7837304f AS |
1412 | AC_ARG_WITH(mpfr-dir, |
1413 | [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])], | |
1414 | [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed. | |
1415 | Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])]) | |
1416 | ||
1417 | AC_ARG_WITH(mpfr, | |
1418 | [AS_HELP_STRING([--with-mpfr=PATH], | |
1419 | [specify prefix directory for installed MPFR package. | |
1420 | Equivalent to --with-mpfr-include=PATH/include | |
1421 | plus --with-mpfr-lib=PATH/lib])]) | |
1422 | AC_ARG_WITH(mpfr-include, | |
1423 | [AS_HELP_STRING([--with-mpfr-include=PATH], | |
1424 | [specify directory for installed MPFR include files])]) | |
1425 | AC_ARG_WITH(mpfr-lib, | |
1426 | [AS_HELP_STRING([--with-mpfr-lib=PATH], | |
1427 | [specify directory for the installed MPFR library])]) | |
11b04d1f DD |
1428 | |
1429 | if test "x$with_mpfr" != x; then | |
1430 | gmplibs="-L$with_mpfr/lib $gmplibs" | |
d9b76ff9 | 1431 | gmpinc="-I$with_mpfr/include $gmpinc" |
11b04d1f | 1432 | fi |
8a0d8a5c | 1433 | if test "x$with_mpfr_include" != x; then |
d9b76ff9 | 1434 | gmpinc="-I$with_mpfr_include $gmpinc" |
8a0d8a5c PB |
1435 | fi |
1436 | if test "x$with_mpfr_lib" != x; then | |
1437 | gmplibs="-L$with_mpfr_lib $gmplibs" | |
1438 | fi | |
4b900473 | 1439 | if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then |
58b1dd21 | 1440 | # MPFR v3.1.0 moved the sources into a src sub-directory. |
05a13254 NC |
1441 | if ! test -d ${srcdir}/mpfr/src; then |
1442 | AC_MSG_ERROR([dnl | |
1443 | Building GCC with MPFR in the source tree is only handled for MPFR 3.1.0+.]) | |
58b1dd21 | 1444 | fi |
05a13254 NC |
1445 | gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs" |
1446 | gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc" | |
1447 | extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir" | |
4b900473 PB |
1448 | # Do not test the mpfr version. Assume that it is sufficient, since |
1449 | # it is in the source tree, and the library has not been built yet | |
1450 | # but it would be included on the link line in the version check below | |
1451 | # hence making the test fail. | |
1452 | have_gmp=yes | |
1453 | fi | |
11b04d1f | 1454 | |
4b1cb4fe | 1455 | # Specify a location for gmp |
7837304f AS |
1456 | AC_ARG_WITH(gmp-dir, |
1457 | [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])], | |
1458 | [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed. | |
1459 | Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])]) | |
1460 | ||
1461 | AC_ARG_WITH(gmp, | |
1462 | [AS_HELP_STRING([--with-gmp=PATH], | |
1463 | [specify prefix directory for the installed GMP package. | |
1464 | Equivalent to --with-gmp-include=PATH/include | |
1465 | plus --with-gmp-lib=PATH/lib])]) | |
1466 | AC_ARG_WITH(gmp-include, | |
1467 | [AS_HELP_STRING([--with-gmp-include=PATH], | |
1468 | [specify directory for installed GMP include files])]) | |
1469 | AC_ARG_WITH(gmp-lib, | |
1470 | [AS_HELP_STRING([--with-gmp-lib=PATH], | |
1471 | [specify directory for the installed GMP library])]) | |
4b1cb4fe | 1472 | |
4b1cb4fe | 1473 | |
11b04d1f DD |
1474 | if test "x$with_gmp" != x; then |
1475 | gmplibs="-L$with_gmp/lib $gmplibs" | |
1476 | gmpinc="-I$with_gmp/include $gmpinc" | |
4b1cb4fe | 1477 | fi |
8a0d8a5c PB |
1478 | if test "x$with_gmp_include" != x; then |
1479 | gmpinc="-I$with_gmp_include $gmpinc" | |
1480 | fi | |
1481 | if test "x$with_gmp_lib" != x; then | |
1482 | gmplibs="-L$with_gmp_lib $gmplibs" | |
1483 | fi | |
4b900473 | 1484 | if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then |
d5f2ee2e | 1485 | gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs" |
4b900473 | 1486 | gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc" |
29821356 | 1487 | extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" |
d5f2ee2e | 1488 | extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" |
7ec59b9e | 1489 | extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp' |
4b900473 PB |
1490 | # Do not test the gmp version. Assume that it is sufficient, since |
1491 | # it is in the source tree, and the library has not been built yet | |
1492 | # but it would be included on the link line in the version check below | |
1493 | # hence making the test fail. | |
1494 | have_gmp=yes | |
1495 | fi | |
4b1cb4fe | 1496 | |
ceb92e78 | 1497 | if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then |
4b900473 PB |
1498 | have_gmp=yes |
1499 | saved_CFLAGS="$CFLAGS" | |
1500 | CFLAGS="$CFLAGS $gmpinc" | |
a6b5846e KG |
1501 | # Check for the recommended and required versions of GMP. |
1502 | AC_MSG_CHECKING([for the correct version of gmp.h]) | |
4b900473 | 1503 | AC_TRY_COMPILE([#include "gmp.h"],[ |
a6b5846e KG |
1504 | #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) |
1505 | #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) | |
8e71395b | 1506 | #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3) |
9dbaa842 | 1507 | choke me |
4b900473 | 1508 | #endif |
a009f2e7 | 1509 | ], [AC_TRY_COMPILE([#include <gmp.h>],[ |
a6b5846e KG |
1510 | #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) |
1511 | #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) | |
1512 | #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2) | |
1513 | choke me | |
1514 | #endif | |
a009f2e7 | 1515 | ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], |
a6b5846e | 1516 | [AC_MSG_RESULT([no]); have_gmp=no]) |
4b900473 | 1517 | |
e8a5fa9c | 1518 | # If we have GMP, check the MPFR version. |
4b900473 | 1519 | if test x"$have_gmp" = xyes; then |
a6b5846e KG |
1520 | # Check for the recommended and required versions of MPFR. |
1521 | AC_MSG_CHECKING([for the correct version of mpfr.h]) | |
e8a5fa9c | 1522 | AC_TRY_COMPILE([#include <gmp.h> |
4b900473 | 1523 | #include <mpfr.h>],[ |
7ec59b9e | 1524 | #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0) |
4b900473 PB |
1525 | choke me |
1526 | #endif | |
a009f2e7 | 1527 | ], [AC_TRY_COMPILE([#include <gmp.h> |
e8a5fa9c | 1528 | #include <mpfr.h>],[ |
a6b5846e | 1529 | #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2) |
e8a5fa9c RW |
1530 | choke me |
1531 | #endif | |
a009f2e7 | 1532 | ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], |
e8a5fa9c RW |
1533 | [AC_MSG_RESULT([no]); have_gmp=no]) |
1534 | fi | |
1535 | ||
1536 | # Check for the MPC header version. | |
d9b76ff9 | 1537 | if test x"$have_gmp" = xyes ; then |
a6b5846e | 1538 | # Check for the recommended and required versions of MPC. |
e8a5fa9c RW |
1539 | AC_MSG_CHECKING([for the correct version of mpc.h]) |
1540 | AC_TRY_COMPILE([#include <mpc.h>],[ | |
a6b5846e | 1541 | #if MPC_VERSION < MPC_VERSION_NUM(0,8,0) |
e8a5fa9c RW |
1542 | choke me |
1543 | #endif | |
a009f2e7 | 1544 | ], [AC_TRY_COMPILE([#include <mpc.h>],[ |
a6b5846e KG |
1545 | #if MPC_VERSION < MPC_VERSION_NUM(0,8,1) |
1546 | choke me | |
1547 | #endif | |
a009f2e7 | 1548 | ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], |
a6b5846e | 1549 | [AC_MSG_RESULT([no]); have_gmp=no]) |
e8a5fa9c RW |
1550 | fi |
1551 | ||
1552 | # Now check the MPFR library. | |
1553 | if test x"$have_gmp" = xyes; then | |
1554 | saved_LIBS="$LIBS" | |
1555 | LIBS="$LIBS $gmplibs" | |
d9b76ff9 KG |
1556 | AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries]) |
1557 | AC_TRY_LINK([#include <mpc.h>],[ | |
a3ca38d2 DD |
1558 | mpfr_t n; |
1559 | mpfr_t x; | |
d9b76ff9 | 1560 | mpc_t c; |
4b900473 | 1561 | int t; |
a3ca38d2 DD |
1562 | mpfr_init (n); |
1563 | mpfr_init (x); | |
4b900473 PB |
1564 | mpfr_atan2 (n, n, x, GMP_RNDN); |
1565 | mpfr_erfc (n, x, GMP_RNDN); | |
1566 | mpfr_subnormalize (x, t, GMP_RNDN); | |
d9b76ff9 KG |
1567 | mpfr_clear(n); |
1568 | mpfr_clear(x); | |
1569 | mpc_init2 (c, 53); | |
1570 | mpc_set_ui_ui (c, 1, 1, MPC_RNDNN); | |
1571 | mpc_cosh (c, c, MPC_RNDNN); | |
1572 | mpc_pow (c, c, c, MPC_RNDNN); | |
1573 | mpc_acosh (c, c, MPC_RNDNN); | |
1574 | mpc_clear (c); | |
e8a5fa9c RW |
1575 | ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no]) |
1576 | LIBS="$saved_LIBS" | |
4b900473 | 1577 | fi |
e8a5fa9c | 1578 | |
4b900473 | 1579 | CFLAGS="$saved_CFLAGS" |
4b1cb4fe | 1580 | |
a6b5846e KG |
1581 | # The library versions listed in the error message below should match |
1582 | # the HARD-minimums enforced above. | |
4b900473 | 1583 | if test x$have_gmp != xyes; then |
7ec59b9e | 1584 | AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+. |
d9b76ff9 KG |
1585 | Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify |
1586 | their locations. Source code for these libraries can be found at | |
1587 | their respective hosting sites as well as at | |
1588 | ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also | |
1589 | http://gcc.gnu.org/install/prerequisites.html for additional info. If | |
1590 | you obtained GMP, MPFR and/or MPC from a vendor distribution package, | |
1591 | make sure that you have installed both the libraries and the header | |
1592 | files. They may be located in separate packages.]) | |
4b900473 | 1593 | fi |
9dbaa842 DD |
1594 | fi |
1595 | ||
e8a5fa9c | 1596 | # Flags needed for both GMP, MPFR and/or MPC. |
4b1cb4fe DD |
1597 | AC_SUBST(gmplibs) |
1598 | AC_SUBST(gmpinc) | |
e8a5fa9c RW |
1599 | AC_SUBST(extra_mpfr_configure_flags) |
1600 | AC_SUBST(extra_mpc_gmp_configure_flags) | |
1601 | AC_SUBST(extra_mpc_mpfr_configure_flags) | |
7ec59b9e | 1602 | AC_SUBST(extra_isl_gmp_configure_flags) |
4b1cb4fe | 1603 | |
e8a5fa9c RW |
1604 | # Libraries to use for stage1 or when not bootstrapping. |
1605 | AC_ARG_WITH(stage1-libs, | |
7837304f | 1606 | [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])], |
e8a5fa9c RW |
1607 | [if test "$withval" = "no" -o "$withval" = "yes"; then |
1608 | stage1_libs= | |
1609 | else | |
1610 | stage1_libs=$withval | |
1611 | fi], | |
68996839 | 1612 | [stage1_libs=]) |
e8a5fa9c RW |
1613 | AC_SUBST(stage1_libs) |
1614 | ||
b3676d82 EB |
1615 | # Linker flags to use for stage1 or when not bootstrapping. |
1616 | AC_ARG_WITH(stage1-ldflags, | |
1617 | [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])], | |
1618 | [if test "$withval" = "no" -o "$withval" = "yes"; then | |
1619 | stage1_ldflags= | |
1620 | else | |
1621 | stage1_ldflags=$withval | |
1622 | fi], | |
1623 | [stage1_ldflags= | |
1624 | # In stage 1, default to linking libstdc++ and libgcc statically with GCC | |
1625 | # if supported. But if the user explicitly specified the libraries to use, | |
1626 | # trust that they are doing what they want. | |
1627 | if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then | |
1628 | stage1_ldflags="-static-libstdc++ -static-libgcc" | |
1629 | fi]) | |
1630 | AC_SUBST(stage1_ldflags) | |
1631 | ||
68996839 | 1632 | # Libraries to use for stage2 and later builds. |
e8a5fa9c | 1633 | AC_ARG_WITH(boot-libs, |
7837304f | 1634 | [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])], |
e8a5fa9c RW |
1635 | [if test "$withval" = "no" -o "$withval" = "yes"; then |
1636 | poststage1_libs= | |
1637 | else | |
1638 | poststage1_libs=$withval | |
1639 | fi], | |
68996839 | 1640 | [poststage1_libs=]) |
e8a5fa9c RW |
1641 | AC_SUBST(poststage1_libs) |
1642 | ||
143754cd NC |
1643 | # Linker flags to use for stage2 and later builds. |
1644 | AC_ARG_WITH(boot-ldflags, | |
7837304f AS |
1645 | [AS_HELP_STRING([--with-boot-ldflags=FLAGS], |
1646 | [linker flags for stage2 and later])], | |
143754cd NC |
1647 | [if test "$withval" = "no" -o "$withval" = "yes"; then |
1648 | poststage1_ldflags= | |
1649 | else | |
1650 | poststage1_ldflags=$withval | |
1651 | fi], | |
1652 | [poststage1_ldflags= | |
4f11b223 ILT |
1653 | # In stages 2 and 3, default to linking libstdc++ and libgcc |
1654 | # statically. But if the user explicitly specified the libraries to | |
1655 | # use, trust that they are doing what they want. | |
1656 | if test "$poststage1_libs" = ""; then | |
143754cd NC |
1657 | poststage1_ldflags="-static-libstdc++ -static-libgcc" |
1658 | fi]) | |
1659 | AC_SUBST(poststage1_ldflags) | |
1660 | ||
4849dfd8 | 1661 | # GCC GRAPHITE dependency isl. |
1b6c0831 | 1662 | # Basic setup is inlined here, actual checks are in config/isl.m4 |
8e71395b | 1663 | |
8e71395b L |
1664 | AC_ARG_WITH(isl, |
1665 | [AS_HELP_STRING( | |
1666 | [--with-isl=PATH], | |
4849dfd8 | 1667 | [Specify prefix directory for the installed isl package. |
8e71395b L |
1668 | Equivalent to --with-isl-include=PATH/include |
1669 | plus --with-isl-lib=PATH/lib])]) | |
1670 | ||
1b6c0831 | 1671 | # Treat --without-isl as a request to disable |
8e71395b | 1672 | # GRAPHITE support and skip all following checks. |
1b6c0831 | 1673 | if test "x$with_isl" != "xno"; then |
4849dfd8 | 1674 | # Check for isl |
8e71395b L |
1675 | dnl Provide configure switches and initialize islinc & isllibs |
1676 | dnl with user input. | |
1677 | ISL_INIT_FLAGS | |
4849dfd8 | 1678 | dnl The versions of isl that work for Graphite |
1b6c0831 | 1679 | ISL_CHECK_VERSION() |
4849dfd8 | 1680 | dnl Only execute fail-action, if isl has been requested. |
7ec59b9e | 1681 | ISL_IF_FAILED([ |
4849dfd8 | 1682 | AC_MSG_ERROR([Unable to find a usable isl. See config.log for details.])]) |
e28c595f JM |
1683 | fi |
1684 | ||
4849dfd8 | 1685 | # If the isl check failed, disable builds of in-tree variant of isl |
8e71395b | 1686 | if test "x$with_isl" = xno || |
8e71395b | 1687 | test "x$gcc_cv_isl" = xno; then |
1b6c0831 | 1688 | noconfigdirs="$noconfigdirs isl" |
8e71395b | 1689 | islinc= |
7ec59b9e L |
1690 | fi |
1691 | ||
1b6c0831 | 1692 | AC_SUBST(isllibs) |
8e71395b | 1693 | AC_SUBST(islinc) |
8e71395b | 1694 | |
700d40ca ILT |
1695 | # Check for LTO support. |
1696 | AC_ARG_ENABLE(lto, | |
7837304f | 1697 | [AS_HELP_STRING([--enable-lto], [enable link time optimization support])], |
700d40ca ILT |
1698 | enable_lto=$enableval, |
1699 | enable_lto=yes; default_enable_lto=yes) | |
1700 | ||
74cea91b DK |
1701 | ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always. |
1702 | build_lto_plugin=yes | |
1703 | ],[if test x"$default_enable_lto" = x"yes" ; then | |
29821356 | 1704 | case $target in |
52cf9762 | 1705 | *-apple-darwin9* | *-cygwin* | *-mingw* | *djgpp*) ;; |
74cea91b | 1706 | # On other non-ELF platforms, LTO has yet to be validated. |
29821356 RW |
1707 | *) enable_lto=no ;; |
1708 | esac | |
e49e5c92 | 1709 | else |
29821356 RW |
1710 | # Apart from ELF platforms, only Windows and Darwin support LTO so far. |
1711 | # It would also be nice to check the binutils support, but we don't | |
e49e5c92 DK |
1712 | # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just |
1713 | # warn during gcc/ subconfigure; unless you're bootstrapping with | |
1714 | # -flto it won't be needed until after installation anyway. | |
1715 | case $target in | |
52cf9762 | 1716 | *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;; |
e49e5c92 DK |
1717 | *) if test x"$enable_lto" = x"yes"; then |
1718 | AC_MSG_ERROR([LTO support is not enabled for this target.]) | |
1719 | fi | |
1720 | ;; | |
1721 | esac | |
1722 | fi | |
a8eb3f0a | 1723 | # Among non-ELF, only Windows platforms support the lto-plugin so far. |
74cea91b | 1724 | # Build it unless LTO was explicitly disabled. |
a8eb3f0a | 1725 | case $target in |
74cea91b | 1726 | *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;; |
a8eb3f0a DK |
1727 | *) ;; |
1728 | esac | |
74cea91b | 1729 | ]) |
700d40ca | 1730 | |
1b6c0831 L |
1731 | AC_ARG_ENABLE(linker-plugin-configure-flags, |
1732 | [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]], | |
1733 | [additional flags for configuring linker plugins @<:@none@:>@])], | |
1734 | extra_linker_plugin_configure_flags=$enableval, | |
1735 | extra_linker_plugin_configure_flags=) | |
1736 | AC_SUBST(extra_linker_plugin_configure_flags) | |
1737 | AC_ARG_ENABLE(linker-plugin-flags, | |
1738 | [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]], | |
1739 | [additional flags for configuring and building linker plugins @<:@none@:>@])], | |
1740 | extra_linker_plugin_flags=$enableval, | |
1741 | extra_linker_plugin_flags=) | |
1742 | AC_SUBST(extra_linker_plugin_flags) | |
1743 | ||
e28c595f | 1744 | |
7ec59b9e | 1745 | # By default, C and C++ are the only stage 1 languages. |
9b134994 | 1746 | stage1_languages=,c, |
1d39f329 | 1747 | |
e8a5fa9c | 1748 | # Target libraries that we bootstrap. |
2aa2364a | 1749 | bootstrap_target_libs=,target-libgcc, |
e8a5fa9c | 1750 | |
9e07f89d NN |
1751 | # Figure out what language subdirectories are present. |
1752 | # Look if the user specified --enable-languages="..."; if not, use | |
1753 | # the environment variable $LANGUAGES if defined. $LANGUAGES might | |
1754 | # go away some day. | |
1755 | # NB: embedded tabs in this IF block -- do not untabify | |
1756 | if test -d ${srcdir}/gcc; then | |
1757 | if test x"${enable_languages+set}" != xset; then | |
1758 | if test x"${LANGUAGES+set}" = xset; then | |
1759 | enable_languages="${LANGUAGES}" | |
136bb21f | 1760 | echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2 |
9e07f89d NN |
1761 | else |
1762 | enable_languages=all | |
1763 | fi | |
1764 | else | |
1765 | if test x"${enable_languages}" = x || | |
1766 | test x"${enable_languages}" = xyes; | |
1767 | then | |
136bb21f | 1768 | echo configure.ac: --enable-languages needs at least one language argument 1>&2 |
9e07f89d NN |
1769 | exit 1 |
1770 | fi | |
1771 | fi | |
1772 | enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'` | |
1773 | ||
096f7d00 DE |
1774 | # 'f95' is the old name for the 'fortran' language. We issue a warning |
1775 | # and make the substitution. | |
1776 | case ,${enable_languages}, in | |
1777 | *,f95,*) | |
136bb21f | 1778 | echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2 |
096f7d00 DE |
1779 | enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'` |
1780 | ;; | |
1781 | esac | |
1782 | ||
7ec59b9e L |
1783 | # If bootstrapping, C++ must be enabled. |
1784 | case ",$enable_languages,:$enable_bootstrap" in | |
1785 | *,c++,*:*) ;; | |
1786 | *:yes) | |
ffdd6afc ILT |
1787 | if test -f ${srcdir}/gcc/cp/config-lang.in; then |
1788 | enable_languages="${enable_languages},c++" | |
1789 | else | |
7ec59b9e | 1790 | AC_MSG_ERROR([bootstrapping requires c++ sources]) |
ffdd6afc ILT |
1791 | fi |
1792 | ;; | |
1793 | esac | |
1794 | ||
9e07f89d NN |
1795 | # First scan to see if an enabled language requires some other language. |
1796 | # We assume that a given config-lang.in will list all the language | |
1797 | # front ends it requires, even if some are required indirectly. | |
1798 | for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do | |
1799 | case ${lang_frag} in | |
1800 | ..) ;; | |
1801 | # The odd quoting in the next line works around | |
1802 | # an apparent bug in bash 1.12 on linux. | |
1803 | ${srcdir}/gcc/[[*]]/config-lang.in) ;; | |
1804 | *) | |
e552509b ILT |
1805 | # From the config-lang.in, get $language, $lang_requires, and |
1806 | # $lang_requires_boot_languages. | |
9e07f89d NN |
1807 | language= |
1808 | lang_requires= | |
e552509b | 1809 | lang_requires_boot_languages= |
9e07f89d | 1810 | . ${lang_frag} |
e552509b | 1811 | for other in ${lang_requires} ${lang_requires_boot_languages}; do |
9e07f89d NN |
1812 | case ,${enable_languages}, in |
1813 | *,$other,*) ;; | |
1814 | *,all,*) ;; | |
1815 | *,$language,*) | |
1816 | echo " \`$other' language required by \`$language'; enabling" 1>&2 | |
1817 | enable_languages="${enable_languages},${other}" | |
1818 | ;; | |
1819 | esac | |
1820 | done | |
e552509b ILT |
1821 | for other in ${lang_requires_boot_languages} ; do |
1822 | if test "$other" != "c"; then | |
1823 | case ,${enable_stage1_languages}, in | |
1824 | *,$other,*) ;; | |
1825 | *,all,*) ;; | |
1826 | *) | |
1827 | case ,${enable_languages}, in | |
1828 | *,$language,*) | |
1829 | echo " '$other' language required by '$language' in stage 1; enabling" 1>&2 | |
1830 | enable_stage1_languages="$enable_stage1_languages,${other}" | |
1831 | ;; | |
1832 | esac | |
1833 | ;; | |
1834 | esac | |
1835 | fi | |
1836 | done | |
9e07f89d NN |
1837 | ;; |
1838 | esac | |
1839 | done | |
1840 | ||
9b134994 | 1841 | new_enable_languages=,c, |
700d40ca ILT |
1842 | |
1843 | # If LTO is enabled, add the LTO front end. | |
700d40ca | 1844 | if test "$enable_lto" = "yes" ; then |
6811fb56 RW |
1845 | case ,${enable_languages}, in |
1846 | *,lto,*) ;; | |
1847 | *) enable_languages="${enable_languages},lto" ;; | |
1848 | esac | |
a8eb3f0a | 1849 | if test "${build_lto_plugin}" = "yes" ; then |
700d40ca | 1850 | configdirs="$configdirs lto-plugin" |
700d40ca ILT |
1851 | fi |
1852 | fi | |
1b6c0831 L |
1853 | |
1854 | # If we're building an offloading compiler, add the LTO front end. | |
1855 | if test x"$enable_as_accelerator_for" != x ; then | |
1856 | case ,${enable_languages}, in | |
1857 | *,lto,*) ;; | |
1858 | *) enable_languages="${enable_languages},lto" ;; | |
1859 | esac | |
1860 | fi | |
700d40ca | 1861 | |
9e07f89d | 1862 | missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ ` |
9b134994 | 1863 | potential_languages=,c, |
9e07f89d | 1864 | |
9e1a94f4 ILT |
1865 | enabled_target_libs= |
1866 | disabled_target_libs= | |
1867 | ||
9e07f89d NN |
1868 | for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do |
1869 | case ${lang_frag} in | |
1870 | ..) ;; | |
1871 | # The odd quoting in the next line works around | |
1872 | # an apparent bug in bash 1.12 on linux. | |
1873 | ${srcdir}/gcc/[[*]]/config-lang.in) ;; | |
1874 | *) | |
7ec59b9e | 1875 | # From the config-lang.in, get $language, $target_libs, |
1d39f329 | 1876 | # $lang_dirs, $boot_language, and $build_by_default |
9e07f89d NN |
1877 | language= |
1878 | target_libs= | |
1879 | lang_dirs= | |
64ce424c | 1880 | subdir_requires= |
9b134994 PB |
1881 | boot_language=no |
1882 | build_by_default=yes | |
9e07f89d | 1883 | . ${lang_frag} |
9b134994 PB |
1884 | if test x${language} = x; then |
1885 | echo "${lang_frag} doesn't set \$language." 1>&2 | |
1886 | exit 1 | |
1887 | fi | |
1888 | ||
ffdd6afc | 1889 | if test "$language" = "c++"; then |
7ec59b9e | 1890 | boot_language=yes |
e8a5fa9c RW |
1891 | fi |
1892 | ||
8e71395b | 1893 | add_this_lang=no |
9b134994 PB |
1894 | case ,${enable_languages}, in |
1895 | *,${language},*) | |
7ec59b9e L |
1896 | # Language was explicitly selected; include it |
1897 | # unless it is C, which is enabled by default. | |
1898 | if test "$language" != "c"; then | |
1899 | add_this_lang=yes | |
1900 | fi | |
9e07f89d | 1901 | ;; |
9b134994 PB |
1902 | *,all,*) |
1903 | # 'all' was selected, select it if it is a default language | |
8e71395b L |
1904 | if test "$language" != "c"; then |
1905 | add_this_lang=${build_by_default} | |
1906 | fi | |
9e07f89d NN |
1907 | ;; |
1908 | esac | |
4b1cb4fe | 1909 | |
64ce424c | 1910 | # Disable languages that need other directories if these aren't available. |
1f3f1bbf | 1911 | for i in $subdir_requires; do |
3d3adb43 | 1912 | test -f "$srcdir/gcc/$i/config-lang.in" && continue |
64ce424c PB |
1913 | case ,${enable_languages}, in |
1914 | *,${language},*) | |
1915 | # Specifically requested language; tell them. | |
1916 | AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing]) | |
1917 | ;; | |
1918 | *) | |
1919 | # Silently disable. | |
9b134994 | 1920 | add_this_lang=unsupported |
64ce424c PB |
1921 | ;; |
1922 | esac | |
1923 | done | |
1924 | ||
9b134994 PB |
1925 | # Disable Ada if no preexisting GNAT is available. |
1926 | case ,${enable_languages},:${language}:${have_gnat} in | |
1927 | *,${language},*:ada:no) | |
1928 | # Specifically requested language; tell them. | |
1929 | AC_MSG_ERROR([GNAT is required to build $language]) | |
1930 | ;; | |
1931 | *:ada:no) | |
1932 | # Silently disable. | |
1933 | add_this_lang=unsupported | |
1934 | ;; | |
1935 | esac | |
1936 | ||
59f7ec45 HPN |
1937 | # Disable a language that is unsupported by the target. |
1938 | case " $unsupported_languages " in | |
1939 | *" $language "*) | |
9b134994 | 1940 | add_this_lang=unsupported |
59f7ec45 HPN |
1941 | ;; |
1942 | esac | |
1943 | ||
4b1cb4fe | 1944 | case $add_this_lang in |
9b134994 | 1945 | unsupported) |
9e07f89d | 1946 | # Remove language-dependent dirs. |
9e1a94f4 ILT |
1947 | disabled_target_libs="$disabled_target_libs $target_libs" |
1948 | noconfigdirs="$noconfigdirs $lang_dirs" | |
1d39f329 | 1949 | ;; |
9b134994 PB |
1950 | no) |
1951 | # Remove language-dependent dirs; still show language as supported. | |
9e1a94f4 ILT |
1952 | disabled_target_libs="$disabled_target_libs $target_libs" |
1953 | noconfigdirs="$noconfigdirs $lang_dirs" | |
9b134994 PB |
1954 | potential_languages="${potential_languages}${language}," |
1955 | ;; | |
1956 | yes) | |
1957 | new_enable_languages="${new_enable_languages}${language}," | |
1958 | potential_languages="${potential_languages}${language}," | |
1d39f329 | 1959 | missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"` |
9e1a94f4 | 1960 | enabled_target_libs="$enabled_target_libs $target_libs" |
f8dc745f RW |
1961 | case "${boot_language}:,$enable_stage1_languages," in |
1962 | yes:* | *:*,$language,* | *:*,yes, | *:*,all,) | |
4fa63067 | 1963 | # Add to (comma-separated) list of stage 1 languages. |
f8dc745f RW |
1964 | case ",$stage1_languages," in |
1965 | *,$language,* | ,yes, | ,all,) ;; | |
1966 | *) stage1_languages="${stage1_languages}${language}," ;; | |
1967 | esac | |
e8a5fa9c RW |
1968 | # We need to bootstrap any supporting libraries. |
1969 | bootstrap_target_libs="${bootstrap_target_libs}${target_libs}," | |
1d39f329 NN |
1970 | ;; |
1971 | esac | |
1972 | ;; | |
9e07f89d NN |
1973 | esac |
1974 | ;; | |
1975 | esac | |
1976 | done | |
1977 | ||
9e1a94f4 ILT |
1978 | # Add target libraries which are only needed for disabled languages |
1979 | # to noconfigdirs. | |
1980 | if test -n "$disabled_target_libs"; then | |
1981 | for dir in $disabled_target_libs; do | |
1982 | case " $enabled_target_libs " in | |
1983 | *" ${dir} "*) ;; | |
1984 | *) noconfigdirs="$noconfigdirs $dir" ;; | |
1985 | esac | |
1986 | done | |
1987 | fi | |
1988 | ||
9b134994 | 1989 | AC_ARG_ENABLE(stage1-languages, |
7837304f AS |
1990 | [AS_HELP_STRING([[--enable-stage1-languages[=all]]], |
1991 | [choose additional languages to build during | |
1992 | stage1. Mostly useful for compiler development])], | |
9b134994 PB |
1993 | [case ,${enable_stage1_languages}, in |
1994 | ,no,|,,) | |
1995 | # Set it to something that will have no effect in the loop below | |
1996 | enable_stage1_languages=c ;; | |
1997 | ,yes,) | |
1998 | enable_stage1_languages=`echo $new_enable_languages | \ | |
1999 | sed -e "s/^,//" -e "s/,$//" ` ;; | |
2000 | *,all,*) | |
2001 | enable_stage1_languages=`echo ,$enable_stage1_languages, | \ | |
2002 | sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;; | |
2003 | esac | |
2004 | ||
2005 | # Add "good" languages from enable_stage1_languages to stage1_languages, | |
2006 | # while "bad" languages go in missing_languages. Leave no duplicates. | |
2007 | for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do | |
2008 | case $potential_languages in | |
2009 | *,$i,*) | |
2010 | case $stage1_languages in | |
2011 | *,$i,*) ;; | |
2012 | *) stage1_languages="$stage1_languages$i," ;; | |
2013 | esac ;; | |
2014 | *) | |
2015 | case $missing_languages in | |
2016 | *,$i,*) ;; | |
2017 | *) missing_languages="$missing_languages$i," ;; | |
2018 | esac ;; | |
2019 | esac | |
2020 | done]) | |
2021 | ||
2022 | # Remove leading/trailing commas that were added for simplicity | |
2023 | potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"` | |
4b0ac75d | 2024 | missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"` |
9b134994 PB |
2025 | stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"` |
2026 | new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"` | |
2027 | ||
9e07f89d NN |
2028 | if test "x$missing_languages" != x; then |
2029 | AC_MSG_ERROR([ | |
27258dd4 | 2030 | The following requested languages could not be built: ${missing_languages} |
9b134994 | 2031 | Supported languages are: ${potential_languages}]) |
9e07f89d | 2032 | fi |
9e07f89d NN |
2033 | if test "x$new_enable_languages" != "x$enable_languages"; then |
2034 | echo The following languages will be built: ${new_enable_languages} | |
9b134994 | 2035 | enable_languages="$new_enable_languages" |
9e07f89d | 2036 | fi |
9b134994 PB |
2037 | |
2038 | AC_SUBST(stage1_languages) | |
81ec575a | 2039 | ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" ` |
9e07f89d NN |
2040 | fi |
2041 | ||
a6df5a19 PB |
2042 | # Handle --disable-<component> generically. |
2043 | for dir in $configdirs $build_configdirs $target_configdirs ; do | |
2044 | dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g` | |
9cc8ae67 PB |
2045 | varname=`echo $dirname | sed -e s/+/_/g` |
2046 | if eval test x\${enable_${varname}} "=" xno ; then | |
a6df5a19 PB |
2047 | noconfigdirs="$noconfigdirs $dir" |
2048 | fi | |
2049 | done | |
2050 | ||
4f0ef2d8 CD |
2051 | # Check for Boehm's garbage collector |
2052 | AC_ARG_ENABLE(objc-gc, | |
7837304f AS |
2053 | [AS_HELP_STRING([--enable-objc-gc], |
2054 | [enable use of Boehm's garbage collector with the | |
05a13254 NC |
2055 | GNU Objective-C runtime])]) |
2056 | AC_ARG_WITH([target-bdw-gc], | |
2057 | [AS_HELP_STRING([--with-target-bdw-gc=PATHLIST], | |
2058 | [specify prefix directory for installed bdw-gc package. | |
2059 | Equivalent to --with-target-bdw-gc-include=PATH/include | |
2060 | plus --with-target-bdw-gc-lib=PATH/lib])]) | |
2061 | AC_ARG_WITH([target-bdw-gc-include], | |
2062 | [AS_HELP_STRING([--with-target-bdw-gc-include=PATHLIST], | |
2063 | [specify directories for installed bdw-gc include files])]) | |
2064 | AC_ARG_WITH([target-bdw-gc-lib], | |
2065 | [AS_HELP_STRING([--with-target-bdw-gc-lib=PATHLIST], | |
2066 | [specify directories for installed bdw-gc library])]) | |
2067 | ||
2068 | case ,${enable_languages},:${enable_objc_gc} in *,objc,*:yes|*,objc,*:auto) | |
2069 | AC_MSG_CHECKING([for bdw garbage collector]) | |
2070 | if test "x$with_target_bdw_gc$with_target_bdw_gc_include$with_target_bdw_gc_lib" = x; then | |
2071 | dnl no bdw-gw options, assume default locations | |
2072 | AC_MSG_RESULT([using bdw-gc in default locations]) | |
2073 | else | |
2074 | dnl bdw-gw options, first error checking, complete checking in libobjc | |
2075 | if test "x$with_target_bdw_gc_include" = x && test "x$with_target_bdw_gc_lib" != x; then | |
2076 | AC_MSG_ERROR([found --with-target-bdw-gc-lib but --with-target-bdw-gc-include missing]) | |
2077 | elif test "x$with_target_bdw_gc_include" != x && test "x$with_target_bdw_gc_lib" = x; then | |
2078 | AC_MSG_ERROR([found --with-target-bdw-gc-include but --with-target-bdw-gc-lib missing]) | |
2079 | else | |
2080 | AC_MSG_RESULT([using paths configured with --with-target-bdw-gc options]) | |
d42c4017 | 2081 | fi |
05a13254 | 2082 | fi |
4f0ef2d8 CD |
2083 | esac |
2084 | ||
1b6c0831 | 2085 | # Disable libcilkrts, libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++ |
7ec59b9e | 2086 | case ,${enable_languages}, in |
1b6c0831 L |
2087 | *,c++,*) |
2088 | # Disable libcilkrts, libitm, libsanitizer if we're not building libstdc++ | |
2089 | case "${noconfigdirs}" in | |
2090 | *target-libstdc++-v3*) | |
2091 | noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer" | |
2092 | ;; | |
2093 | *) ;; | |
2094 | esac | |
2095 | ;; | |
7ec59b9e | 2096 | *) |
1b6c0831 | 2097 | noconfigdirs="$noconfigdirs target-libcilkrts target-liboffloadmic target-libitm target-libsanitizer target-libvtv" |
7ec59b9e L |
2098 | ;; |
2099 | esac | |
2100 | ||
caeba88f AL |
2101 | # Remove the entries in $skipdirs and $noconfigdirs from $configdirs, |
2102 | # $build_configdirs and $target_configdirs. | |
9e07f89d NN |
2103 | # If we have the source for $noconfigdirs entries, add them to $notsupp. |
2104 | ||
2105 | notsupp="" | |
2106 | for dir in . $skipdirs $noconfigdirs ; do | |
caeba88f | 2107 | dirname=`echo $dir | sed -e s/target-//g -e s/build-//g` |
9e07f89d NN |
2108 | if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then |
2109 | configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"` | |
2110 | if test -r $srcdir/$dirname/configure ; then | |
2111 | if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then | |
2112 | true | |
2113 | else | |
2114 | notsupp="$notsupp $dir" | |
2115 | fi | |
2116 | fi | |
2117 | fi | |
caeba88f AL |
2118 | if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then |
2119 | build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"` | |
2120 | if test -r $srcdir/$dirname/configure ; then | |
2121 | if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then | |
2122 | true | |
2123 | else | |
2124 | notsupp="$notsupp $dir" | |
2125 | fi | |
2126 | fi | |
2127 | fi | |
9e07f89d NN |
2128 | if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then |
2129 | target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"` | |
2130 | if test -r $srcdir/$dirname/configure ; then | |
2131 | if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then | |
2132 | true | |
2133 | else | |
2134 | notsupp="$notsupp $dir" | |
2135 | fi | |
2136 | fi | |
2137 | fi | |
2138 | done | |
2139 | ||
9e07f89d NN |
2140 | # Quietly strip out all directories which aren't configurable in this tree. |
2141 | # This relies on all configurable subdirectories being autoconfiscated, which | |
2142 | # is now the case. | |
6a9cf61e PB |
2143 | build_configdirs_all="$build_configdirs" |
2144 | build_configdirs= | |
2145 | for i in ${build_configdirs_all} ; do | |
7ec59b9e | 2146 | j=`echo $i | sed -e s/build-//g` |
6a9cf61e PB |
2147 | if test -f ${srcdir}/$j/configure ; then |
2148 | build_configdirs="${build_configdirs} $i" | |
2149 | fi | |
2150 | done | |
2151 | ||
9e07f89d NN |
2152 | configdirs_all="$configdirs" |
2153 | configdirs= | |
2154 | for i in ${configdirs_all} ; do | |
2155 | if test -f ${srcdir}/$i/configure ; then | |
2156 | configdirs="${configdirs} $i" | |
2157 | fi | |
2158 | done | |
6a9cf61e | 2159 | |
9e07f89d NN |
2160 | target_configdirs_all="$target_configdirs" |
2161 | target_configdirs= | |
2162 | for i in ${target_configdirs_all} ; do | |
7ec59b9e | 2163 | j=`echo $i | sed -e s/target-//g` |
9e07f89d NN |
2164 | if test -f ${srcdir}/$j/configure ; then |
2165 | target_configdirs="${target_configdirs} $i" | |
2166 | fi | |
2167 | done | |
2168 | ||
1b6c0831 L |
2169 | # libiberty-linker-plugin is special: it doesn't have its own source directory, |
2170 | # so we have to add it after the preceding checks. | |
2171 | if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x | |
2172 | then | |
2173 | case " $configdirs " in | |
2174 | *" libiberty "*) | |
2175 | # If we can build libiberty, we can also build libiberty-linker-plugin. | |
2176 | configdirs="$configdirs libiberty-linker-plugin" | |
2177 | extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \ | |
2178 | --with-libiberty=../libiberty-linker-plugin";; | |
2179 | *) | |
2180 | AC_MSG_ERROR([libiberty missing]);; | |
2181 | esac | |
2182 | fi | |
2183 | ||
2184 | # Sometimes we have special requirements for the host libiberty. | |
2185 | extra_host_libiberty_configure_flags= | |
e81d5d05 | 2186 | extra_host_zlib_configure_flags= |
1b6c0831 L |
2187 | case " $configdirs " in |
2188 | *" lto-plugin "* | *" libcc1 "*) | |
2189 | # When these are to be built as shared libraries, the same applies to | |
2190 | # libiberty. | |
2191 | extra_host_libiberty_configure_flags=--enable-shared | |
2192 | ;; | |
e81d5d05 L |
2193 | *" bfd "*) |
2194 | # When bfd is to be built as a shared library, the same applies to | |
2195 | # zlib. | |
2196 | if test "$enable_shared" = "yes"; then | |
2197 | extra_host_zlib_configure_flags=--enable-host-shared | |
2198 | fi | |
2199 | ;; | |
1b6c0831 L |
2200 | esac |
2201 | AC_SUBST(extra_host_libiberty_configure_flags) | |
e81d5d05 | 2202 | AC_SUBST(extra_host_zlib_configure_flags) |
1b6c0831 | 2203 | |
9e07f89d NN |
2204 | # Produce a warning message for the subdirs we can't configure. |
2205 | # This isn't especially interesting in the Cygnus tree, but in the individual | |
2206 | # FSF releases, it's important to let people know when their machine isn't | |
2207 | # supported by the one or two programs in a package. | |
2208 | ||
2209 | if test -n "${notsupp}" && test -z "${norecursion}" ; then | |
2210 | # If $appdirs is non-empty, at least one of those directories must still | |
2211 | # be configured, or we error out. (E.g., if the gas release supports a | |
2212 | # specified target in some subdirs but not the gas subdir, we shouldn't | |
2213 | # pretend that all is well.) | |
2214 | if test -n "$appdirs" ; then | |
2215 | for dir in $appdirs ; do | |
2216 | if test -r $dir/Makefile.in ; then | |
2217 | if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then | |
2218 | appdirs="" | |
2219 | break | |
2220 | fi | |
6a9cf61e | 2221 | if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then |
9e07f89d NN |
2222 | appdirs="" |
2223 | break | |
2224 | fi | |
2225 | fi | |
2226 | done | |
2227 | if test -n "$appdirs" ; then | |
2228 | echo "*** This configuration is not supported by this package." 1>&2 | |
2229 | exit 1 | |
2230 | fi | |
2231 | fi | |
2232 | # Okay, some application will build, or we don't care to check. Still | |
2233 | # notify of subdirs not getting built. | |
2234 | echo "*** This configuration is not supported in the following subdirectories:" 1>&2 | |
2235 | echo " ${notsupp}" 1>&2 | |
2236 | echo " (Any other directories should still work fine.)" 1>&2 | |
2237 | fi | |
2238 | ||
2239 | case "$host" in | |
2240 | *msdosdjgpp*) | |
2241 | enable_gdbtk=no ;; | |
2242 | esac | |
2243 | ||
24ff9987 DJ |
2244 | # To find our prefix, in gcc_cv_tool_prefix. |
2245 | ACX_TOOL_DIRS | |
2246 | ||
9e07f89d NN |
2247 | copy_dirs= |
2248 | ||
7ec59b9e | 2249 | AC_ARG_WITH([build-sysroot], |
7837304f AS |
2250 | [AS_HELP_STRING([--with-build-sysroot=SYSROOT], |
2251 | [use sysroot as the system root during the build])], | |
a19b6204 MM |
2252 | [if test x"$withval" != x ; then |
2253 | SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval" | |
2254 | fi], | |
2255 | [SYSROOT_CFLAGS_FOR_TARGET=]) | |
2256 | AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET) | |
2257 | ||
8a6ee3ab | 2258 | AC_ARG_WITH([debug-prefix-map], |
7837304f AS |
2259 | [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'], |
2260 | [map A to B, C to D ... in debug information])], | |
8a6ee3ab JM |
2261 | [if test x"$withval" != x; then |
2262 | DEBUG_PREFIX_CFLAGS_FOR_TARGET= | |
2263 | for debug_map in $withval; do | |
2264 | DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map" | |
2265 | done | |
2266 | fi], | |
2267 | [DEBUG_PREFIX_CFLAGS_FOR_TARGET=]) | |
2268 | AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET) | |
2269 | ||
7f6ef0c0 PB |
2270 | # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS |
2271 | # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS | |
2272 | # might also be empty (or "-g", if a non-GCC C++ compiler is in the path). | |
2273 | # We want to ensure that TARGET libraries (which we know are built with | |
2274 | # gcc) are built with "-O2 -g", so include those options when setting | |
2275 | # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET. | |
2276 | if test "x$CFLAGS_FOR_TARGET" = x; then | |
1b6c0831 L |
2277 | if test "x${is_cross_compiler}" = xyes; then |
2278 | CFLAGS_FOR_TARGET="-g -O2" | |
2279 | else | |
2280 | CFLAGS_FOR_TARGET=$CFLAGS | |
2281 | case " $CFLAGS " in | |
2282 | *" -O2 "*) ;; | |
2283 | *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;; | |
2284 | esac | |
2285 | case " $CFLAGS " in | |
2286 | *" -g "* | *" -g3 "*) ;; | |
2287 | *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;; | |
2288 | esac | |
2289 | fi | |
7f6ef0c0 PB |
2290 | fi |
2291 | AC_SUBST(CFLAGS_FOR_TARGET) | |
2292 | ||
2293 | if test "x$CXXFLAGS_FOR_TARGET" = x; then | |
1b6c0831 L |
2294 | if test "x${is_cross_compiler}" = xyes; then |
2295 | CXXFLAGS_FOR_TARGET="-g -O2" | |
2296 | else | |
2297 | CXXFLAGS_FOR_TARGET=$CXXFLAGS | |
2298 | case " $CXXFLAGS " in | |
2299 | *" -O2 "*) ;; | |
2300 | *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;; | |
2301 | esac | |
2302 | case " $CXXFLAGS " in | |
2303 | *" -g "* | *" -g3 "*) ;; | |
2304 | *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;; | |
2305 | esac | |
2306 | fi | |
7f6ef0c0 PB |
2307 | fi |
2308 | AC_SUBST(CXXFLAGS_FOR_TARGET) | |
2309 | ||
91c1f14c DK |
2310 | AC_SUBST(LDFLAGS_FOR_TARGET) |
2311 | ||
9e07f89d NN |
2312 | # Handle --with-headers=XXX. If the value is not "yes", the contents of |
2313 | # the named directory are copied to $(tooldir)/sys-include. | |
2314 | if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then | |
2315 | if test x${is_cross_compiler} = xno ; then | |
2316 | echo 1>&2 '***' --with-headers is only supported when cross compiling | |
2317 | exit 1 | |
2318 | fi | |
2319 | if test x"${with_headers}" != xyes ; then | |
24ff9987 | 2320 | x=${gcc_cv_tool_prefix} |
c6b750e1 | 2321 | copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include" |
9e07f89d NN |
2322 | fi |
2323 | fi | |
2324 | ||
2325 | # Handle --with-libs=XXX. If the value is not "yes", the contents of | |
2326 | # the name directories are copied to $(tooldir)/lib. Multiple directories | |
2327 | # are permitted. | |
2328 | if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then | |
2329 | if test x${is_cross_compiler} = xno ; then | |
2330 | echo 1>&2 '***' --with-libs is only supported when cross compiling | |
2331 | exit 1 | |
2332 | fi | |
2333 | if test x"${with_libs}" != xyes ; then | |
2334 | # Copy the libraries in reverse order, so that files in the first named | |
2335 | # library override files in subsequent libraries. | |
24ff9987 | 2336 | x=${gcc_cv_tool_prefix} |
9e07f89d | 2337 | for l in ${with_libs}; do |
c6b750e1 | 2338 | copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}" |
9e07f89d NN |
2339 | done |
2340 | fi | |
2341 | fi | |
2342 | ||
700d40ca | 2343 | # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate. |
2429c060 PB |
2344 | # |
2345 | # This is done by determining whether or not the appropriate directory | |
2346 | # is available, and by checking whether or not specific configurations | |
2347 | # have requested that this magic not happen. | |
7ec59b9e L |
2348 | # |
2349 | # The command line options always override the explicit settings in | |
136bb21f | 2350 | # configure.ac, and the settings in configure.ac override this magic. |
2429c060 | 2351 | # |
7ec59b9e | 2352 | # If the default for a toolchain is to use GNU as and ld, and you don't |
2429c060 | 2353 | # want to do that, then you should use the --without-gnu-as and |
700d40ca ILT |
2354 | # --without-gnu-ld options for the configure script. Similarly, if |
2355 | # the default is to use the included zlib and you don't want to do that, | |
2356 | # you should use the --with-system-zlib option for the configure script. | |
2429c060 PB |
2357 | |
2358 | if test x${use_gnu_as} = x && | |
2359 | echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then | |
2360 | with_gnu_as=yes | |
2361 | extra_host_args="$extra_host_args --with-gnu-as" | |
2362 | fi | |
2363 | ||
2364 | if test x${use_gnu_ld} = x && | |
93f9b408 | 2365 | echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then |
2429c060 PB |
2366 | with_gnu_ld=yes |
2367 | extra_host_args="$extra_host_args --with-gnu-ld" | |
2368 | fi | |
2369 | ||
700d40ca ILT |
2370 | if test x${use_included_zlib} = x && |
2371 | echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then | |
2372 | : | |
2373 | else | |
2374 | with_system_zlib=yes | |
2375 | extra_host_args="$extra_host_args --with-system-zlib" | |
2376 | fi | |
2377 | ||
2429c060 PB |
2378 | # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure |
2379 | # can detect this case. | |
2380 | ||
2381 | if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then | |
2382 | with_newlib=yes | |
2383 | extra_host_args="$extra_host_args --with-newlib" | |
2384 | fi | |
2385 | ||
9e07f89d NN |
2386 | # Handle ${copy_dirs} |
2387 | set fnord ${copy_dirs} | |
2388 | shift | |
2389 | while test $# != 0 ; do | |
2390 | if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then | |
2391 | : | |
2392 | else | |
2393 | echo Copying $1 to $2 | |
2394 | ||
2395 | # Use the install script to create the directory and all required | |
2396 | # parent directories. | |
2397 | if test -d $2 ; then | |
2398 | : | |
2399 | else | |
2400 | echo >config.temp | |
2401 | ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED | |
2402 | fi | |
2403 | ||
2404 | # Copy the directory, assuming we have tar. | |
2405 | # FIXME: Should we use B in the second tar? Not all systems support it. | |
2406 | (cd $1; tar -cf - .) | (cd $2; tar -xpf -) | |
2407 | ||
2408 | # It is the responsibility of the user to correctly adjust all | |
2409 | # symlinks. If somebody can figure out how to handle them correctly | |
2410 | # here, feel free to add the code. | |
2411 | ||
2412 | echo $1 > $2/COPIED | |
2413 | fi | |
2414 | shift; shift | |
2415 | done | |
2416 | ||
2429c060 PB |
2417 | # Determine a target-dependent exec_prefix that the installed |
2418 | # gcc will search in. Keep this list sorted by triplet, with | |
2419 | # the *-*-osname triplets last. | |
2420 | md_exec_prefix= | |
2421 | case "${target}" in | |
521ec477 | 2422 | i[[34567]]86-pc-msdosdjgpp*) |
2429c060 PB |
2423 | md_exec_prefix=/dev/env/DJDIR/bin |
2424 | ;; | |
2429c060 | 2425 | *-*-hpux* | \ |
2429c060 | 2426 | *-*-nto-qnx* | \ |
1f111696 | 2427 | *-*-solaris2*) |
2429c060 PB |
2428 | md_exec_prefix=/usr/ccs/bin |
2429 | ;; | |
2430 | esac | |
2431 | ||
874e38b4 NN |
2432 | extra_arflags_for_target= |
2433 | extra_nmflags_for_target= | |
1086bc09 | 2434 | extra_ranlibflags_for_target= |
a0da8069 | 2435 | target_makefile_frag=/dev/null |
f48556b1 | 2436 | case "${target}" in |
77d7106f AM |
2437 | spu-*-*) |
2438 | target_makefile_frag="config/mt-spu" | |
2439 | ;; | |
a9d58c06 | 2440 | mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) |
429acdec RS |
2441 | target_makefile_frag="config/mt-sde" |
2442 | ;; | |
f3b1e08e RS |
2443 | mipsisa*-*-elfoabi*) |
2444 | target_makefile_frag="config/mt-mips-elfoabi" | |
2445 | ;; | |
e7c8859c RS |
2446 | mips*-*-*linux* | mips*-*-gnu*) |
2447 | target_makefile_frag="config/mt-mips-gnu" | |
2448 | ;; | |
d9e042ac SL |
2449 | nios2-*-elf*) |
2450 | target_makefile_frag="config/mt-nios2-elf" | |
2451 | ;; | |
29383458 | 2452 | *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) |
3d6dfe0f | 2453 | target_makefile_frag="config/mt-gnu" |
f48556b1 | 2454 | ;; |
a0da8069 | 2455 | *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*) |
7ec59b9e | 2456 | # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm |
874e38b4 NN |
2457 | # commands to handle both 32-bit and 64-bit objects. These flags are |
2458 | # harmless if we're using GNU nm or ar. | |
2459 | extra_arflags_for_target=" -X32_64" | |
2460 | extra_nmflags_for_target=" -B -X32_64" | |
f48556b1 | 2461 | ;; |
b6f83f2a DD |
2462 | esac |
2463 | ||
a0da8069 | 2464 | alphaieee_frag=/dev/null |
b6f83f2a DD |
2465 | case $target in |
2466 | alpha*-*-*) | |
2467 | # This just makes sure to use the -mieee option to build target libs. | |
2468 | # This should probably be set individually by each library. | |
2469 | alphaieee_frag="config/mt-alphaieee" | |
f48556b1 DD |
2470 | ;; |
2471 | esac | |
a0a2c6c6 | 2472 | |
f48556b1 DD |
2473 | # If --enable-target-optspace always use -Os instead of -O2 to build |
2474 | # the target libraries, similarly if it is not specified, use -Os | |
2475 | # on selected platforms. | |
a0da8069 | 2476 | ospace_frag=/dev/null |
f48556b1 DD |
2477 | case "${enable_target_optspace}:${target}" in |
2478 | yes:*) | |
b6f83f2a | 2479 | ospace_frag="config/mt-ospace" |
f48556b1 DD |
2480 | ;; |
2481 | :d30v-*) | |
b6f83f2a | 2482 | ospace_frag="config/mt-d30v" |
f48556b1 | 2483 | ;; |
16beab3d | 2484 | :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu) |
b6f83f2a | 2485 | ospace_frag="config/mt-ospace" |
f48556b1 DD |
2486 | ;; |
2487 | no:* | :*) | |
2488 | ;; | |
2489 | *) | |
2490 | echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2 | |
2491 | ;; | |
2492 | esac | |
252b5132 | 2493 | |
a0da8069 NN |
2494 | # Some systems (e.g., one of the i386-aix systems the gas testers are |
2495 | # using) don't handle "\$" correctly, so don't use it here. | |
c6b750e1 | 2496 | tooldir='${exec_prefix}'/${target_noncanonical} |
a0da8069 NN |
2497 | build_tooldir=${tooldir} |
2498 | ||
a0da8069 NN |
2499 | # Create a .gdbinit file which runs the one in srcdir |
2500 | # and tells GDB to look there for source files. | |
2501 | ||
2502 | if test -r ${srcdir}/.gdbinit ; then | |
2503 | case ${srcdir} in | |
2504 | .) ;; | |
2505 | *) cat > ./.gdbinit <<EOF | |
2506 | # ${NO_EDIT} | |
2507 | dir ${srcdir} | |
2508 | dir . | |
2509 | source ${srcdir}/.gdbinit | |
2510 | EOF | |
2511 | ;; | |
2512 | esac | |
2513 | fi | |
2514 | ||
252b5132 RH |
2515 | # Make sure that the compiler is able to generate an executable. If it |
2516 | # can't, we are probably in trouble. We don't care whether we can run the | |
2517 | # executable--we might be using a cross compiler--we only care whether it | |
2518 | # can be created. At this point the main configure script has set CC. | |
a0c4f3a0 | 2519 | we_are_ok=no |
252b5132 RH |
2520 | echo "int main () { return 0; }" > conftest.c |
2521 | ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c | |
a0c4f3a0 DD |
2522 | if test $? = 0 ; then |
2523 | if test -s conftest || test -s conftest.exe ; then | |
2524 | we_are_ok=yes | |
2525 | fi | |
7ec59b9e | 2526 | fi |
a0c4f3a0 DD |
2527 | case $we_are_ok in |
2528 | no) | |
2529 | echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed." | |
2530 | echo 1>&2 "*** You must set the environment variable CC to a working compiler." | |
2531 | rm -f conftest* | |
2532 | exit 1 | |
2533 | ;; | |
2534 | esac | |
252b5132 RH |
2535 | rm -f conftest* |
2536 | ||
3bbd2f8f | 2537 | # Decide which environment variable is used to find dynamic libraries. |
8607b6c9 NN |
2538 | case "${host}" in |
2539 | *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;; | |
3516a403 | 2540 | *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;; |
3bbd2f8f | 2541 | *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;; |
8607b6c9 NN |
2542 | *) RPATH_ENVVAR=LD_LIBRARY_PATH ;; |
2543 | esac | |
8607b6c9 | 2544 | |
3bbd2f8f | 2545 | # On systems where the dynamic library environment variable is PATH, |
e28c595f JM |
2546 | # gcc/ will put dynamic libraries into a subdirectory to avoid adding |
2547 | # built executables to PATH. | |
3bbd2f8f AL |
2548 | if test "$RPATH_ENVVAR" = PATH; then |
2549 | GCC_SHLIB_SUBDIR=/shlib | |
2550 | else | |
2551 | GCC_SHLIB_SUBDIR= | |
2552 | fi | |
2553 | ||
730af8ee | 2554 | # Adjust the toplevel makefile according to whether bootstrap was selected. |
2555 | case $enable_bootstrap in | |
2556 | yes) | |
2557 | bootstrap_suffix=bootstrap | |
2558 | BUILD_CONFIG=bootstrap-debug | |
2559 | ;; | |
2560 | no) | |
2561 | bootstrap_suffix=no-bootstrap | |
2562 | BUILD_CONFIG= | |
2563 | ;; | |
2564 | esac | |
2565 | ||
2566 | AC_MSG_CHECKING(for default BUILD_CONFIG) | |
2567 | ||
2568 | AC_ARG_WITH([build-config], | |
2569 | [AS_HELP_STRING([--with-build-config='NAME NAME2...'], | |
2570 | [use config/NAME.mk build configuration])], | |
2571 | [case $with_build_config in | |
2572 | yes) with_build_config= ;; | |
2573 | no) with_build_config= BUILD_CONFIG= ;; | |
2574 | esac]) | |
2575 | ||
2576 | if test "x${with_build_config}" != x; then | |
2577 | BUILD_CONFIG=$with_build_config | |
2578 | else | |
2579 | case $BUILD_CONFIG in | |
2580 | bootstrap-debug) | |
2581 | if echo "int f (void) { return 0; }" > conftest.c && | |
2582 | ${CC} -c conftest.c && | |
2583 | mv conftest.o conftest.o.g0 && | |
2584 | ${CC} -c -g conftest.c && | |
2585 | mv conftest.o conftest.o.g && | |
2586 | ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then | |
2587 | : | |
2588 | else | |
2589 | BUILD_CONFIG= | |
2590 | fi | |
2591 | rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g | |
2592 | ;; | |
2593 | esac | |
2594 | fi | |
2595 | AC_MSG_RESULT($BUILD_CONFIG) | |
2596 | AC_SUBST(BUILD_CONFIG) | |
2597 | ||
2598 | # Use same top-level configure hooks in libgcc/libstdc++/libvtv. | |
2599 | AC_MSG_CHECKING([for --enable-vtable-verify]) | |
2600 | AC_ARG_ENABLE(vtable-verify, | |
ce6c656d L |
2601 | [AS_HELP_STRING([--enable-vtable-verify], |
2602 | [Enable vtable verification feature])], | |
730af8ee | 2603 | [case "$enableval" in |
2604 | yes) enable_vtable_verify=yes ;; | |
2605 | no) enable_vtable_verify=no ;; | |
2606 | *) enable_vtable_verify=no;; | |
2607 | esac], | |
2608 | [enable_vtable_verify=no]) | |
2609 | AC_MSG_RESULT($enable_vtable_verify) | |
2610 | ||
3866be5d NN |
2611 | # Record target_configdirs and the configure arguments for target and |
2612 | # build configuration in Makefile. | |
2613 | target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'` | |
6a9cf61e | 2614 | build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'` |
201f096f | 2615 | bootstrap_fixincludes=no |
930314a4 | 2616 | |
2aa2364a JR |
2617 | # If we are building libgomp, bootstrap it. |
2618 | if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then | |
2619 | bootstrap_target_libs=${bootstrap_target_libs}target-libgomp, | |
2620 | fi | |
2621 | ||
730af8ee | 2622 | # If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan |
2623 | # or bootstrap-ubsan, bootstrap it. | |
2624 | if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then | |
2625 | case "$BUILD_CONFIG" in | |
2626 | *bootstrap-asan* | *bootstrap-ubsan* ) | |
2627 | bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer, | |
201f096f | 2628 | bootstrap_fixincludes=yes |
730af8ee | 2629 | ;; |
2630 | esac | |
5eb08693 L |
2631 | fi |
2632 | ||
730af8ee | 2633 | # If we are building libvtv and --enable-vtable-verify, bootstrap it. |
2634 | if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 && | |
2635 | test "$enable_vtable_verify" != no; then | |
95e43135 JBG |
2636 | bootstrap_target_libs=${bootstrap_target_libs}target-libvtv, |
2637 | fi | |
2638 | ||
05a13254 NC |
2639 | # If we are building libmpx and $BUILD_CONFIG contains bootstrap-mpx, |
2640 | # bootstrap it. | |
1b6c0831 | 2641 | if echo " ${target_configdirs} " | grep " libmpx " > /dev/null 2>&1; then |
05a13254 NC |
2642 | case "$BUILD_CONFIG" in |
2643 | *bootstrap-mpx* ) | |
2644 | bootstrap_target_libs=${bootstrap_target_libs}target-libmpx, | |
2645 | ;; | |
2646 | esac | |
1b6c0831 L |
2647 | fi |
2648 | ||
930314a4 NN |
2649 | # Determine whether gdb needs tk/tcl or not. |
2650 | # Use 'maybe' since enable_gdbtk might be true even if tk isn't available | |
2651 | # and in that case we want gdb to be built without tk. Ugh! | |
2652 | # In fact I believe gdb is the *only* package directly dependent on tk, | |
2653 | # so we should be able to put the 'maybe's in unconditionally and | |
2654 | # leave out the maybe dependencies when enable_gdbtk is false. I'm not | |
2655 | # 100% sure that that's safe though. | |
c180f501 | 2656 | |
675c6968 | 2657 | gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui" |
930314a4 NN |
2658 | case "$enable_gdbtk" in |
2659 | no) | |
2660 | GDB_TK="" ;; | |
c180f501 AC |
2661 | yes) |
2662 | GDB_TK="${gdb_tk}" ;; | |
930314a4 | 2663 | *) |
c180f501 AC |
2664 | # Only add the dependency on gdbtk when GDBtk is part of the gdb |
2665 | # distro. Eventually someone will fix this and move Insight, nee | |
2666 | # gdbtk to a separate directory. | |
2667 | if test -d ${srcdir}/gdb/gdbtk ; then | |
2668 | GDB_TK="${gdb_tk}" | |
2669 | else | |
2670 | GDB_TK="" | |
2671 | fi | |
2672 | ;; | |
930314a4 | 2673 | esac |
907be67c DJ |
2674 | CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g` |
2675 | INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g` | |
930314a4 | 2676 | |
6bd3dfaa | 2677 | # Strip out unwanted targets. |
dd12c3a8 NN |
2678 | |
2679 | # While at that, we remove Makefiles if we were started for recursive | |
2680 | # configuration, so that the top-level Makefile reconfigures them, | |
2681 | # like we used to do when configure itself was recursive. | |
dd12c3a8 | 2682 | |
06a51eac RW |
2683 | # Loop over modules. We used to use the "$extrasub" feature from Autoconf |
2684 | # but now we're fixing up the Makefile ourselves with the additional | |
2685 | # commands passed to AC_CONFIG_FILES. Use separate variables | |
2686 | # extrasub-{build,host,target} not because there is any reason to split | |
2687 | # the substitutions up that way, but only to remain below the limit of | |
2688 | # 99 commands in a script, for HP-UX sed. | |
2689 | # Do not nest @if/@endif pairs, because configure will not warn you at all. | |
dd12c3a8 | 2690 | |
16b1ad29 RW |
2691 | case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in |
2692 | yes:yes:*\ gold\ *:*,c++,*) ;; | |
2693 | yes:yes:*\ gold\ *:*) | |
2694 | AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages]) | |
2695 | ;; | |
2696 | esac | |
2697 | ||
06a51eac | 2698 | extrasub_build= |
6a9cf61e | 2699 | for module in ${build_configdirs} ; do |
dd12c3a8 NN |
2700 | if test -z "${no_recursion}" \ |
2701 | && test -f ${build_subdir}/${module}/Makefile; then | |
2702 | echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure" | |
2703 | rm -f ${build_subdir}/${module}/Makefile | |
2704 | fi | |
06a51eac | 2705 | extrasub_build="$extrasub_build |
6bd3dfaa | 2706 | /^@if build-$module\$/d |
498d4a71 CF |
2707 | /^@endif build-$module\$/d |
2708 | /^@if build-$module-$bootstrap_suffix\$/d | |
2709 | /^@endif build-$module-$bootstrap_suffix\$/d" | |
dd12c3a8 | 2710 | done |
06a51eac | 2711 | extrasub_host= |
dd12c3a8 | 2712 | for module in ${configdirs} ; do |
80911fe1 | 2713 | if test -z "${no_recursion}"; then |
8cf39b1b | 2714 | for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do |
80911fe1 PB |
2715 | if test -f ${file}; then |
2716 | echo 1>&2 "*** removing ${file} to force reconfigure" | |
2717 | rm -f ${file} | |
2718 | fi | |
2719 | done | |
dd12c3a8 | 2720 | fi |
201f096f | 2721 | case ${module},${bootstrap_fixincludes} in |
2722 | fixincludes,no) host_bootstrap_suffix=no-bootstrap ;; | |
2723 | *) host_bootstrap_suffix=$bootstrap_suffix ;; | |
2724 | esac | |
06a51eac | 2725 | extrasub_host="$extrasub_host |
6bd3dfaa | 2726 | /^@if $module\$/d |
498d4a71 | 2727 | /^@endif $module\$/d |
201f096f | 2728 | /^@if $module-$host_bootstrap_suffix\$/d |
2729 | /^@endif $module-$host_bootstrap_suffix\$/d" | |
dd12c3a8 | 2730 | done |
06a51eac | 2731 | extrasub_target= |
dd12c3a8 NN |
2732 | for module in ${target_configdirs} ; do |
2733 | if test -z "${no_recursion}" \ | |
2734 | && test -f ${target_subdir}/${module}/Makefile; then | |
2735 | echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure" | |
2736 | rm -f ${target_subdir}/${module}/Makefile | |
2737 | fi | |
e8a5fa9c RW |
2738 | |
2739 | # We only bootstrap target libraries listed in bootstrap_target_libs. | |
2740 | case $bootstrap_target_libs in | |
2741 | *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;; | |
2742 | *) target_bootstrap_suffix=no-bootstrap ;; | |
2743 | esac | |
2744 | ||
06a51eac | 2745 | extrasub_target="$extrasub_target |
6bd3dfaa | 2746 | /^@if target-$module\$/d |
498d4a71 | 2747 | /^@endif target-$module\$/d |
e8a5fa9c RW |
2748 | /^@if target-$module-$target_bootstrap_suffix\$/d |
2749 | /^@endif target-$module-$target_bootstrap_suffix\$/d" | |
930314a4 | 2750 | done |
319cab08 | 2751 | |
06a51eac RW |
2752 | # Do the final fixup along with target modules. |
2753 | extrasub_target="$extrasub_target | |
6bd3dfaa | 2754 | /^@if /,/^@endif /d" |
930314a4 | 2755 | |
a2cc058a NN |
2756 | # Create the serialization dependencies. This uses a temporary file. |
2757 | ||
e6bfb94a | 2758 | AC_ARG_ENABLE([serial-configure], |
7837304f AS |
2759 | [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]], |
2760 | [force sequential configuration of | |
2761 | sub-packages for the host, target or build | |
2762 | machine, or all sub-packages])]) | |
1047cb91 DD |
2763 | |
2764 | case ${enable_serial_configure} in | |
2765 | yes) | |
2766 | enable_serial_build_configure=yes | |
2767 | enable_serial_host_configure=yes | |
2768 | enable_serial_target_configure=yes | |
2769 | ;; | |
2770 | esac | |
e6bfb94a | 2771 | |
a2cc058a NN |
2772 | # These force 'configure's to be done one at a time, to avoid problems |
2773 | # with contention over a shared config.cache. | |
2774 | rm -f serdep.tmp | |
e6bfb94a | 2775 | echo '# serdep.tmp' > serdep.tmp |
a2cc058a | 2776 | olditem= |
1047cb91 | 2777 | test "x${enable_serial_build_configure}" = xyes && |
a2cc058a NN |
2778 | for item in ${build_configdirs} ; do |
2779 | case ${olditem} in | |
2780 | "") ;; | |
e6bfb94a | 2781 | *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;; |
a2cc058a NN |
2782 | esac |
2783 | olditem=${item} | |
2784 | done | |
2785 | olditem= | |
1047cb91 | 2786 | test "x${enable_serial_host_configure}" = xyes && |
a2cc058a NN |
2787 | for item in ${configdirs} ; do |
2788 | case ${olditem} in | |
2789 | "") ;; | |
e6bfb94a | 2790 | *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;; |
a2cc058a NN |
2791 | esac |
2792 | olditem=${item} | |
2793 | done | |
2794 | olditem= | |
1047cb91 | 2795 | test "x${enable_serial_target_configure}" = xyes && |
a2cc058a NN |
2796 | for item in ${target_configdirs} ; do |
2797 | case ${olditem} in | |
2798 | "") ;; | |
e6bfb94a | 2799 | *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;; |
a2cc058a NN |
2800 | esac |
2801 | olditem=${item} | |
2802 | done | |
a0da8069 NN |
2803 | serialization_dependencies=serdep.tmp |
2804 | AC_SUBST_FILE(serialization_dependencies) | |
a2cc058a | 2805 | |
e6bfb94a | 2806 | # Base args. Strip norecursion, cache-file, srcdir, host, build, |
c6b750e1 | 2807 | # target, nonopt, and variable assignments. These are the ones we |
30167e0a NC |
2808 | # might not want to pass down to subconfigures. The exception being |
2809 | # --cache-file=/dev/null, which is used to turn off the use of cache | |
2810 | # files altogether, and which should be passed on to subconfigures. | |
2811 | # Also strip program-prefix, program-suffix, and program-transform-name, | |
2812 | # so that we can pass down a consistent program-transform-name. | |
c6b750e1 | 2813 | baseargs= |
65b4571a | 2814 | tbaseargs= |
c6b750e1 DJ |
2815 | keep_next=no |
2816 | skip_next=no | |
2817 | eval "set -- $ac_configure_args" | |
b0aaa663 DJ |
2818 | for ac_arg |
2819 | do | |
c6b750e1 DJ |
2820 | if test X"$skip_next" = X"yes"; then |
2821 | skip_next=no | |
2822 | continue | |
2823 | fi | |
2824 | if test X"$keep_next" = X"yes"; then | |
2825 | case $ac_arg in | |
2826 | *\'*) | |
2827 | ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; | |
2828 | esac | |
2829 | baseargs="$baseargs '$ac_arg'" | |
65b4571a | 2830 | tbaseargs="$tbaseargs '$ac_arg'" |
c6b750e1 DJ |
2831 | keep_next=no |
2832 | continue | |
2833 | fi | |
2834 | ||
2835 | # Handle separated arguments. Based on the logic generated by | |
2836 | # autoconf 2.59. | |
2837 | case $ac_arg in | |
2838 | *=* | --config-cache | -C | -disable-* | --disable-* \ | |
2839 | | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \ | |
2840 | | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \ | |
2841 | | -with-* | --with-* | -without-* | --without-* | --x) | |
2842 | separate_arg=no | |
2843 | ;; | |
2844 | -*) | |
2845 | separate_arg=yes | |
2846 | ;; | |
2847 | *) | |
2848 | separate_arg=no | |
2849 | ;; | |
2850 | esac | |
2851 | ||
65b4571a AO |
2852 | skip_targ=no |
2853 | case $ac_arg in | |
2854 | changequote(,) | |
2855 | --with-* | --without-*) | |
2856 | libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'` | |
2857 | ||
2858 | case $libopt in | |
2859 | *[-_]include) | |
2860 | lib=`echo "$libopt" | sed 's,[-_]include$,,'` | |
2861 | ;; | |
2862 | *[-_]lib) | |
2863 | lib=`echo "$libopt" | sed 's,[-_]lib$,,'` | |
2864 | ;; | |
2865 | *) | |
2866 | lib=$libopt | |
2867 | ;; | |
2868 | esac | |
2869 | changequote([,]) | |
2870 | ||
2871 | case $lib in | |
1b6c0831 | 2872 | mpc | mpfr | gmp | isl) |
65b4571a AO |
2873 | # If we're processing --with-$lib, --with-$lib-include or |
2874 | # --with-$lib-lib, for one of the libs above, and target is | |
2875 | # different from host, don't pass the current argument to any | |
2876 | # target library's configure. | |
2877 | if test x$is_cross_compiler = xyes; then | |
2878 | skip_targ=yes | |
2879 | fi | |
2880 | ;; | |
2881 | esac | |
2882 | ;; | |
2883 | esac | |
2884 | ||
c6b750e1 | 2885 | case "$ac_arg" in |
30167e0a NC |
2886 | --cache-file=/dev/null | \ |
2887 | -cache-file=/dev/null ) | |
2888 | # Handled here to avoid the test to skip args below. | |
2889 | baseargs="$baseargs '$ac_arg'" | |
65b4571a | 2890 | tbaseargs="$tbaseargs '$ac_arg'" |
30167e0a NC |
2891 | # Assert: $separate_arg should always be no. |
2892 | keep_next=$separate_arg | |
2893 | ;; | |
c6b750e1 DJ |
2894 | --no*) |
2895 | continue | |
2896 | ;; | |
2897 | --c* | \ | |
2898 | --sr* | \ | |
2899 | --ho* | \ | |
2900 | --bu* | \ | |
2901 | --t* | \ | |
2902 | --program-* | \ | |
2903 | -cache_file* | \ | |
2904 | -srcdir* | \ | |
2905 | -host* | \ | |
2906 | -build* | \ | |
2907 | -target* | \ | |
2908 | -program-prefix* | \ | |
2909 | -program-suffix* | \ | |
2910 | -program-transform-name* ) | |
2911 | skip_next=$separate_arg | |
2912 | continue | |
2913 | ;; | |
2914 | -*) | |
2915 | # An option. Add it. | |
2916 | case $ac_arg in | |
2917 | *\'*) | |
2918 | ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; | |
2919 | esac | |
2920 | baseargs="$baseargs '$ac_arg'" | |
65b4571a AO |
2921 | if test X"$skip_targ" = Xno; then |
2922 | tbaseargs="$tbaseargs '$ac_arg'" | |
2923 | fi | |
c6b750e1 DJ |
2924 | keep_next=$separate_arg |
2925 | ;; | |
2926 | *) | |
2927 | # Either a variable assignment, or a nonopt (triplet). Don't | |
2928 | # pass it down; let the Makefile handle this. | |
2929 | continue | |
2930 | ;; | |
2931 | esac | |
2932 | done | |
2933 | # Remove the initial space we just introduced and, as these will be | |
2934 | # expanded by make, quote '$'. | |
2935 | baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'` | |
252b5132 | 2936 | |
f27d4f92 DJ |
2937 | # Add in --program-transform-name, after --program-prefix and |
2938 | # --program-suffix have been applied to it. Autoconf has already | |
2939 | # doubled dollar signs and backslashes in program_transform_name; we want | |
2940 | # the backslashes un-doubled, and then the entire thing wrapped in single | |
7ec59b9e | 2941 | # quotes, because this will be expanded first by make and then by the shell. |
f27d4f92 DJ |
2942 | # Also, because we want to override the logic in subdir configure scripts to |
2943 | # choose program_transform_name, replace any s,x,x, with s,y,y,. | |
2944 | sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out | |
2945 | ${program_transform_name} | |
2946 | EOF_SED | |
2947 | gcc_transform_name=`cat conftestsed.out` | |
2948 | rm -f conftestsed.out | |
2949 | baseargs="$baseargs --program-transform-name='${gcc_transform_name}'" | |
65b4571a | 2950 | tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'" |
2444379b BE |
2951 | if test "$silent" = yes; then |
2952 | baseargs="$baseargs --silent" | |
65b4571a | 2953 | tbaseargs="$tbaseargs --silent" |
2444379b | 2954 | fi |
34a0f3cf | 2955 | baseargs="$baseargs --disable-option-checking" |
65b4571a | 2956 | tbaseargs="$tbaseargs --disable-option-checking" |
f27d4f92 | 2957 | |
4074d5f2 RW |
2958 | # Record and document user additions to sub configure arguments. |
2959 | AC_ARG_VAR([build_configargs], | |
2960 | [additional configure arguments for build directories]) | |
2961 | AC_ARG_VAR([host_configargs], | |
2962 | [additional configure arguments for host directories]) | |
2963 | AC_ARG_VAR([target_configargs], | |
2964 | [additional configure arguments for target directories]) | |
2965 | ||
49b7683b DD |
2966 | # For the build-side libraries, we just need to pretend we're native, |
2967 | # and not use the same cache file. Multilibs are neither needed nor | |
1b6c0831 L |
2968 | # desired. We can't even use the same cache file for all build-side |
2969 | # libraries, as they're compiled differently; some with C, some with | |
2970 | # C++ or with different feature-enabling options. | |
2971 | build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}" | |
91e060aa | 2972 | |
ae831be5 NN |
2973 | # For host modules, accept cache file option, or specification as blank. |
2974 | case "${cache_file}" in | |
2975 | "") # empty | |
2976 | cache_file_option="" ;; | |
a0da8069 | 2977 | /* | [[A-Za-z]]:[[\\/]]* ) # absolute path |
ae831be5 NN |
2978 | cache_file_option="--cache-file=${cache_file}" ;; |
2979 | *) # relative path | |
2980 | cache_file_option="--cache-file=../${cache_file}" ;; | |
2981 | esac | |
2982 | ||
82252c06 NN |
2983 | # Host dirs don't like to share a cache file either, horribly enough. |
2984 | # This seems to be due to autoconf 2.5x stupidity. | |
4074d5f2 | 2985 | host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}" |
ae831be5 | 2986 | |
65b4571a | 2987 | target_configargs="$target_configargs ${tbaseargs}" |
49b7683b | 2988 | |
252b5132 RH |
2989 | # Passing a --with-cross-host argument lets the target libraries know |
2990 | # whether they are being built with a cross-compiler or being built | |
2991 | # native. However, it would be better to use other mechanisms to make the | |
2992 | # sorts of decisions they want to make on this basis. Please consider | |
2993 | # this option to be deprecated. FIXME. | |
a0c4f3a0 | 2994 | if test x${is_cross_compiler} = xyes ; then |
c6b750e1 | 2995 | target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}" |
252b5132 RH |
2996 | fi |
2997 | ||
afc0578d | 2998 | # Special user-friendly check for native x86_64-linux build, if |
2999 | # multilib is not explicitly enabled. | |
3000 | case "$target:$have_compiler:$host:$target:$enable_multilib" in | |
3001 | x86_64-*linux*:yes:$build:$build:) | |
ce6c656d | 3002 | # Make sure we have a development environment that handles 32-bit |
afc0578d | 3003 | dev64=no |
3004 | echo "int main () { return 0; }" > conftest.c | |
3005 | ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c | |
3006 | if test $? = 0 ; then | |
3007 | if test -s conftest || test -s conftest.exe ; then | |
3008 | dev64=yes | |
3009 | fi | |
3010 | fi | |
3011 | rm -f conftest* | |
3012 | if test x${dev64} != xyes ; then | |
ce6c656d | 3013 | 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.]) |
afc0578d | 3014 | fi |
3015 | ;; | |
3016 | esac | |
3017 | ||
938d2b74 RW |
3018 | # Default to --enable-multilib. |
3019 | if test x${enable_multilib} = x ; then | |
a0da8069 | 3020 | target_configargs="--enable-multilib ${target_configargs}" |
938d2b74 | 3021 | fi |
252b5132 RH |
3022 | |
3023 | # Pass --with-newlib if appropriate. Note that target_configdirs has | |
3024 | # changed from the earlier setting of with_newlib. | |
a0c4f3a0 | 3025 | if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then |
a0da8069 | 3026 | target_configargs="--with-newlib ${target_configargs}" |
252b5132 RH |
3027 | fi |
3028 | ||
95036d20 NN |
3029 | # Different target subdirs use different values of certain variables |
3030 | # (notably CXX). Worse, multilibs use *lots* of different values. | |
3031 | # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that | |
3032 | # it doesn't automatically accept command-line overrides of them. | |
3033 | # This means it's not safe for target subdirs to share a cache file, | |
3034 | # which is disgusting, but there you have it. Hopefully this can be | |
3035 | # fixed in future. It's still worthwhile to use a cache file for each | |
3036 | # directory. I think. | |
3037 | ||
ae380b45 MS |
3038 | # Pass the appropriate --build, --host, --target and --cache-file arguments. |
3039 | # We need to pass --target, as newer autoconf's requires consistency | |
3040 | # for target_alias and gcc doesn't manage it consistently. | |
4b900473 | 3041 | target_configargs="--cache-file=./config.cache ${target_configargs}" |
49b7683b | 3042 | |
9e449d3e | 3043 | FLAGS_FOR_TARGET= |
7c1f909c | 3044 | case " $target_configdirs " in |
75205f78 | 3045 | *" newlib "*) |
a0da8069 | 3046 | case " $target_configargs " in |
75205f78 | 3047 | *" --with-newlib "*) |
9e449d3e | 3048 | case "$target" in |
1f53ca9a | 3049 | *-cygwin*) |
6d94c122 | 3050 | FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include' |
1f53ca9a | 3051 | ;; |
9e449d3e AO |
3052 | esac |
3053 | ||
7450026c | 3054 | # If we're not building GCC, don't discard standard headers. |
4d5fd396 | 3055 | if test -d ${srcdir}/gcc; then |
63266560 | 3056 | FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc' |
7450026c AO |
3057 | |
3058 | if test "${build}" != "${host}"; then | |
3059 | # On Canadian crosses, CC_FOR_TARGET will have already been set | |
3060 | # by `configure', so we won't have an opportunity to add -Bgcc/ | |
3061 | # to it. This is right: we don't want to search that directory | |
3062 | # for binaries, but we want the header files in there, so add | |
3063 | # them explicitly. | |
e552509b | 3064 | FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed' |
7450026c AO |
3065 | |
3066 | # Someone might think of using the pre-installed headers on | |
3067 | # Canadian crosses, in case the installed compiler is not fully | |
3068 | # compatible with the compiler being built. In this case, it | |
3069 | # would be better to flag an error than risking having | |
3070 | # incompatible object files being constructed. We can't | |
3071 | # guarantee that an error will be flagged, but let's hope the | |
3072 | # compiler will do it, when presented with incompatible header | |
3073 | # files. | |
3074 | fi | |
63266560 DD |
3075 | fi |
3076 | ||
0a0d0041 | 3077 | case "${target}-${is_cross_compiler}" in |
ec11bdc6 | 3078 | i[[3456789]]86-*-linux*-no) |
0a0d0041 TF |
3079 | # Here host == target, so we don't need to build gcc, |
3080 | # so we don't want to discard standard headers. | |
3081 | FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'` | |
0a0d0041 TF |
3082 | ;; |
3083 | *) | |
3084 | # If we're building newlib, use its generic headers last, but search | |
3085 | # for any libc-related directories first (so make it the last -B | |
3086 | # switch). | |
3087 | FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include' | |
691bb5a1 DD |
3088 | |
3089 | # If we're building libgloss, find the startup file, simulator library | |
3090 | # and linker script. | |
3091 | case " $target_configdirs " in | |
3092 | *" libgloss "*) | |
3093 | # Look for startup file, simulator library and maybe linker script. | |
3094 | FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir" | |
3095 | # Look for libnosys.a in case the target needs it. | |
3096 | FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys' | |
3097 | # Most targets have the linker script in the source directory. | |
3098 | FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir" | |
3099 | ;; | |
3100 | esac | |
0a0d0041 TF |
3101 | ;; |
3102 | esac | |
9e449d3e | 3103 | ;; |
75205f78 DD |
3104 | esac |
3105 | ;; | |
9e449d3e | 3106 | esac |
1f53ca9a | 3107 | |
45055374 | 3108 | case "$target" in |
1f53ca9a AO |
3109 | x86_64-*mingw* | *-w64-mingw*) |
3110 | # MinGW-w64 does not use newlib, nor does it use winsup. It may, | |
3111 | # however, use a symlink named 'mingw' in ${prefix} . | |
3112 | FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include' | |
3113 | ;; | |
3114 | *-mingw*) | |
3115 | # MinGW can't be handled as Cygwin above since it does not use newlib. | |
3116 | FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include' | |
3117 | ;; | |
45055374 | 3118 | esac |
63266560 | 3119 | |
5fbad20a DD |
3120 | # Allow the user to override the flags for |
3121 | # our build compiler if desired. | |
c66487f8 NC |
3122 | if test x"${build}" = x"${host}" ; then |
3123 | CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}} | |
3124 | CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}} | |
3125 | LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}} | |
3126 | fi | |
5fbad20a | 3127 | |
63266560 DD |
3128 | # On Canadian crosses, we'll be searching the right directories for |
3129 | # the previously-installed cross compiler, so don't bother to add | |
3130 | # flags for directories within the install tree of the compiler | |
3131 | # being built; programs in there won't even run. | |
4d5fd396 | 3132 | if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then |
9e449d3e | 3133 | # Search for pre-installed headers if nothing else fits. |
bba45b8b | 3134 | FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include' |
9e449d3e | 3135 | fi |
63266560 | 3136 | |
7c1f909c | 3137 | if test "x${use_gnu_ld}" = x && |
f48556b1 | 3138 | echo " ${configdirs} " | grep " ld " > /dev/null ; then |
9e449d3e | 3139 | # Arrange for us to find uninstalled linker scripts. |
b00612cc | 3140 | FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld' |
9e449d3e AO |
3141 | fi |
3142 | ||
a481dbb7 DD |
3143 | # Search for other target-specific linker scripts and such. |
3144 | case "${target}" in | |
4e206d7e DB |
3145 | mep*) |
3146 | FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary" | |
3147 | ;; | |
3148 | esac | |
3149 | ||
a0da8069 | 3150 | # Makefile fragments. |
3e707e94 PB |
3151 | for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag; |
3152 | do | |
3153 | eval fragval=\$$frag | |
3154 | if test $fragval != /dev/null; then | |
3155 | eval $frag=${srcdir}/$fragval | |
3156 | fi | |
3157 | done | |
a0da8069 NN |
3158 | AC_SUBST_FILE(host_makefile_frag) |
3159 | AC_SUBST_FILE(target_makefile_frag) | |
3160 | AC_SUBST_FILE(alphaieee_frag) | |
3161 | AC_SUBST_FILE(ospace_frag) | |
3162 | ||
3163 | # Miscellanea: directories, flags, etc. | |
a0da8069 | 3164 | AC_SUBST(RPATH_ENVVAR) |
3bbd2f8f | 3165 | AC_SUBST(GCC_SHLIB_SUBDIR) |
a0da8069 NN |
3166 | AC_SUBST(tooldir) |
3167 | AC_SUBST(build_tooldir) | |
907be67c | 3168 | AC_SUBST(CONFIGURE_GDB_TK) |
a0da8069 | 3169 | AC_SUBST(GDB_TK) |
907be67c | 3170 | AC_SUBST(INSTALL_GDB_TK) |
a0da8069 NN |
3171 | |
3172 | # Build module lists & subconfigure args. | |
a0da8069 | 3173 | AC_SUBST(build_configargs) |
6a9cf61e | 3174 | AC_SUBST(build_configdirs) |
a0da8069 NN |
3175 | |
3176 | # Host module lists & subconfigure args. | |
3177 | AC_SUBST(host_configargs) | |
3178 | AC_SUBST(configdirs) | |
911e63d0 | 3179 | AC_SUBST(target_configdirs) |
a0da8069 NN |
3180 | |
3181 | # Target module lists & subconfigure args. | |
a0da8069 | 3182 | AC_SUBST(target_configargs) |
a6df5a19 | 3183 | |
a0da8069 NN |
3184 | |
3185 | # Build tools. | |
b5714970 PB |
3186 | AC_SUBST(AR_FOR_BUILD) |
3187 | AC_SUBST(AS_FOR_BUILD) | |
a0da8069 | 3188 | AC_SUBST(CC_FOR_BUILD) |
b5714970 PB |
3189 | AC_SUBST(CFLAGS_FOR_BUILD) |
3190 | AC_SUBST(CXXFLAGS_FOR_BUILD) | |
3191 | AC_SUBST(CXX_FOR_BUILD) | |
3192 | AC_SUBST(DLLTOOL_FOR_BUILD) | |
b5714970 | 3193 | AC_SUBST(GFORTRAN_FOR_BUILD) |
e552509b | 3194 | AC_SUBST(GOC_FOR_BUILD) |
b5714970 PB |
3195 | AC_SUBST(LDFLAGS_FOR_BUILD) |
3196 | AC_SUBST(LD_FOR_BUILD) | |
3197 | AC_SUBST(NM_FOR_BUILD) | |
3198 | AC_SUBST(RANLIB_FOR_BUILD) | |
3199 | AC_SUBST(WINDMC_FOR_BUILD) | |
3200 | AC_SUBST(WINDRES_FOR_BUILD) | |
a0da8069 | 3201 | |
be01d343 PB |
3202 | # Generate default definitions for YACC, M4, LEX and other programs that run |
3203 | # on the build machine. These are used if the Makefile can't locate these | |
3204 | # programs in objdir. | |
3205 | MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing | |
3206 | ||
3207 | AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y]) | |
3208 | case " $build_configdirs " in | |
3209 | *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;; | |
be01d343 PB |
3210 | esac |
3211 | ||
3212 | AC_CHECK_PROGS([BISON], [bison], [$MISSING bison]) | |
3213 | case " $build_configdirs " in | |
3214 | *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;; | |
3215 | esac | |
3216 | ||
3217 | AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4]) | |
3218 | case " $build_configdirs " in | |
3219 | *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;; | |
3220 | esac | |
3221 | ||
3222 | AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex]) | |
3223 | case " $build_configdirs " in | |
3224 | *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; | |
3225 | *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;; | |
3226 | esac | |
3227 | ||
3228 | AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex]) | |
3229 | case " $build_configdirs " in | |
3230 | *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; | |
3231 | esac | |
3232 | ||
3233 | AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo]) | |
3234 | case " $build_configdirs " in | |
3235 | *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;; | |
3236 | *) | |
3237 | changequote(,) | |
10ad8ef3 | 3238 | # For an installed makeinfo, we require it to be from texinfo 4.7 or |
be01d343 PB |
3239 | # higher, else we use the "missing" dummy. |
3240 | if ${MAKEINFO} --version \ | |
10ad8ef3 | 3241 | | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then |
be01d343 PB |
3242 | : |
3243 | else | |
3244 | MAKEINFO="$MISSING makeinfo" | |
3245 | fi | |
3246 | ;; | |
3247 | changequote([,]) | |
3248 | esac | |
3249 | ||
3250 | # FIXME: expect and dejagnu may become build tools? | |
3251 | ||
3252 | AC_CHECK_PROGS(EXPECT, expect, expect) | |
3253 | case " $configdirs " in | |
3254 | *" expect "*) | |
3255 | test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect' | |
3256 | ;; | |
3257 | esac | |
3258 | ||
3259 | AC_CHECK_PROGS(RUNTEST, runtest, runtest) | |
3260 | case " $configdirs " in | |
3261 | *" dejagnu "*) | |
6b89cc21 | 3262 | test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest' |
be01d343 PB |
3263 | ;; |
3264 | esac | |
3265 | ||
3266 | ||
a0da8069 | 3267 | # Host tools. |
05cbd757 PB |
3268 | NCN_STRICT_CHECK_TOOLS(AR, ar) |
3269 | NCN_STRICT_CHECK_TOOLS(AS, as) | |
3270 | NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool) | |
3271 | NCN_STRICT_CHECK_TOOLS(LD, ld) | |
be01d343 | 3272 | NCN_STRICT_CHECK_TOOLS(LIPO, lipo) |
05cbd757 | 3273 | NCN_STRICT_CHECK_TOOLS(NM, nm) |
ba98da75 RO |
3274 | NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true) |
3275 | NCN_STRICT_CHECK_TOOLS(STRIP, strip, true) | |
05cbd757 | 3276 | NCN_STRICT_CHECK_TOOLS(WINDRES, windres) |
0c24b341 | 3277 | NCN_STRICT_CHECK_TOOLS(WINDMC, windmc) |
05cbd757 PB |
3278 | NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy) |
3279 | NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump) | |
b121d7d4 | 3280 | NCN_STRICT_CHECK_TOOLS(READELF, readelf) |
a0da8069 NN |
3281 | AC_SUBST(CC) |
3282 | AC_SUBST(CXX) | |
3283 | AC_SUBST(CFLAGS) | |
3284 | AC_SUBST(CXXFLAGS) | |
a0da8069 | 3285 | |
be01d343 | 3286 | # Target tools. |
7ec59b9e | 3287 | AC_ARG_WITH([build-time-tools], |
7837304f AS |
3288 | [AS_HELP_STRING([--with-build-time-tools=PATH], |
3289 | [use given path to find target tools during the build])], | |
2429c060 PB |
3290 | [case x"$withval" in |
3291 | x/*) ;; | |
3292 | *) | |
3293 | with_build_time_tools= | |
3294 | AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path]) | |
3295 | ;; | |
3296 | esac], | |
3297 | [with_build_time_tools=]) | |
3298 | ||
05cbd757 PB |
3299 | NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc) |
3300 | NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx) | |
05cbd757 | 3301 | NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET}) |
05cbd757 | 3302 | NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran) |
e552509b | 3303 | NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo) |
2429c060 PB |
3304 | |
3305 | ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar) | |
3306 | ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as) | |
3307 | ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool) | |
3308 | ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld) | |
3309 | ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo) | |
3310 | ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm) | |
6b91c541 | 3311 | ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy) |
2429c060 | 3312 | ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump) |
ba98da75 | 3313 | ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib) |
b121d7d4 | 3314 | ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf) |
2429c060 PB |
3315 | ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip) |
3316 | ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres) | |
0c24b341 | 3317 | ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc) |
55db4b87 | 3318 | |
be01d343 PB |
3319 | RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET" |
3320 | ||
3321 | GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar]) | |
3322 | GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new]) | |
3323 | GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) | |
950386c6 | 3324 | dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS |
be01d343 | 3325 | GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX, |
95e43135 | 3326 | [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], |
be01d343 PB |
3327 | c++) |
3328 | GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX, | |
95e43135 | 3329 | [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], |
be01d343 PB |
3330 | c++) |
3331 | GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool]) | |
3332 | GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) | |
be01d343 PB |
3333 | GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN, |
3334 | [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran) | |
e552509b ILT |
3335 | GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC, |
3336 | [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go) | |
be01d343 PB |
3337 | GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new]) |
3338 | GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO) | |
3339 | GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new]) | |
1b6c0831 | 3340 | GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy]) |
be01d343 PB |
3341 | GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump]) |
3342 | GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib]) | |
b121d7d4 | 3343 | GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf]) |
9b980aa1 | 3344 | GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new]) |
be01d343 | 3345 | GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres]) |
0c24b341 | 3346 | GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc]) |
55db4b87 | 3347 | |
be01d343 | 3348 | AC_SUBST(FLAGS_FOR_TARGET) |
55db4b87 | 3349 | AC_SUBST(RAW_CXX_FOR_TARGET) |
54752a6b | 3350 | |
a0da8069 NN |
3351 | # Certain tools may need extra flags. |
3352 | AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target} | |
3353 | RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target} | |
3354 | NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target} | |
252b5132 | 3355 | |
be01d343 PB |
3356 | # When building target libraries, except in a Canadian cross, we use |
3357 | # the same toolchain as the compiler we just built. | |
3358 | COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)' | |
3359 | COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)' | |
3360 | COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)' | |
3361 | if test $host = $build; then | |
3362 | case " $configdirs " in | |
3363 | *" gcc "*) | |
3364 | COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as' | |
3365 | COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld' | |
3366 | COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target} | |
3367 | ;; | |
3368 | esac | |
3369 | fi | |
3370 | ||
3371 | AC_SUBST(COMPILER_AS_FOR_TARGET) | |
3372 | AC_SUBST(COMPILER_LD_FOR_TARGET) | |
3373 | AC_SUBST(COMPILER_NM_FOR_TARGET) | |
3374 | ||
6b784d9f AO |
3375 | AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) |
3376 | AC_ARG_ENABLE(maintainer-mode, | |
7837304f AS |
3377 | [AS_HELP_STRING([--enable-maintainer-mode], |
3378 | [enable make rules and dependencies not useful | |
3379 | (and sometimes confusing) to the casual installer])], | |
6b784d9f AO |
3380 | USE_MAINTAINER_MODE=$enableval, |
3381 | USE_MAINTAINER_MODE=no) | |
3382 | AC_MSG_RESULT($USE_MAINTAINER_MODE) | |
3383 | AC_SUBST(MAINTAINER_MODE_TRUE) | |
3384 | AC_SUBST(MAINTAINER_MODE_FALSE) | |
3385 | if test "$USE_MAINTAINER_MODE" = yes; then | |
3386 | MAINTAINER_MODE_TRUE= | |
3387 | MAINTAINER_MODE_FALSE='#' | |
3388 | else | |
3389 | MAINTAINER_MODE_TRUE='#' | |
3390 | MAINTAINER_MODE_FALSE= | |
7ec59b9e | 3391 | fi |
6b784d9f AO |
3392 | MAINT=$MAINTAINER_MODE_TRUE |
3393 | AC_SUBST(MAINT)dnl | |
3394 | ||
1d39f329 NN |
3395 | # --------------------- |
3396 | # GCC bootstrap support | |
3397 | # --------------------- | |
3398 | ||
3399 | # Stage specific cflags for build. | |
3400 | stage1_cflags="-g" | |
3401 | case $build in | |
3402 | vax-*-*) | |
3403 | case ${GCC} in | |
3404 | yes) stage1_cflags="-g -Wa,-J" ;; | |
3405 | *) stage1_cflags="-g -J" ;; | |
3406 | esac ;; | |
1d39f329 | 3407 | esac |
1d89b610 | 3408 | |
1d39f329 NN |
3409 | AC_SUBST(stage1_cflags) |
3410 | ||
8a0d8a5c PB |
3411 | # Enable --enable-checking in stage1 of the compiler. |
3412 | AC_ARG_ENABLE(stage1-checking, | |
7837304f AS |
3413 | [AS_HELP_STRING([[--enable-stage1-checking[=all]]], |
3414 | [choose additional checking for stage1 of the compiler])], | |
8a0d8a5c | 3415 | [stage1_checking=--enable-checking=${enable_stage1_checking}], |
5566c1fa | 3416 | [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then |
ce6c656d L |
3417 | # For --disable-checking or implicit --enable-checking=release, avoid |
3418 | # setting --enable-checking=gc in the default stage1 checking for LTO | |
3419 | # bootstraps. See PR62077. | |
ce6c656d L |
3420 | case $BUILD_CONFIG in |
3421 | *lto*) | |
05a13254 NC |
3422 | stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types;; |
3423 | *) | |
3424 | stage1_checking=--enable-checking=yes,types;; | |
ce6c656d | 3425 | esac |
05a13254 NC |
3426 | if test "x$enable_checking" = x && \ |
3427 | test -d ${srcdir}/gcc && \ | |
3428 | test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then | |
3429 | stage1_checking=--enable-checking=yes,types,extra | |
3430 | fi | |
8a0d8a5c | 3431 | else |
5566c1fa | 3432 | stage1_checking=--enable-checking=$enable_checking,types |
8a0d8a5c PB |
3433 | fi]) |
3434 | AC_SUBST(stage1_checking) | |
3435 | ||
1d39f329 | 3436 | # Enable -Werror in bootstrap stage2 and later. |
1d39f329 | 3437 | AC_ARG_ENABLE(werror, |
7837304f AS |
3438 | [AS_HELP_STRING([--enable-werror], |
3439 | [enable -Werror in bootstrap stage2 and later])], [], | |
a0323144 | 3440 | [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then |
79fcd0ec PB |
3441 | enable_werror=yes |
3442 | else | |
3443 | enable_werror=no | |
3444 | fi]) | |
1a6f2dc7 NN |
3445 | case ${enable_werror} in |
3446 | yes) stage2_werror_flag="--enable-werror-always" ;; | |
3447 | *) stage2_werror_flag="" ;; | |
1d39f329 | 3448 | esac |
1a6f2dc7 | 3449 | AC_SUBST(stage2_werror_flag) |
1d39f329 | 3450 | |
82033c9b JBG |
3451 | # Enable --enable-host-shared. |
3452 | AC_ARG_ENABLE(host-shared, | |
3453 | [AS_HELP_STRING([--enable-host-shared], | |
3454 | [build host code as shared libraries])], | |
3455 | [host_shared=$enableval], [host_shared=no]) | |
3456 | AC_SUBST(host_shared) | |
3457 | ||
1b6c0831 L |
3458 | # PR jit/64780: Require the user to explicitly specify |
3459 | # --enable-host-shared if the jit is enabled, hinting | |
3460 | # that they might want to do a separate configure/build of | |
3461 | # the jit, to avoid users from slowing down the rest of the | |
3462 | # compiler by enabling the jit. | |
3463 | if test ${host_shared} = "no" ; then | |
3464 | case "${enable_languages}" in | |
3465 | *jit*) | |
3466 | AC_MSG_ERROR([ | |
3467 | Enabling language "jit" requires --enable-host-shared. | |
3468 | ||
3469 | --enable-host-shared typically slows the rest of the compiler down by | |
3470 | a few %, so you must explicitly enable it. | |
3471 | ||
3472 | If you want to build both the jit and the regular compiler, it is often | |
3473 | best to do this via two separate configure/builds, in separate | |
3474 | directories, to avoid imposing the performance cost of | |
3475 | --enable-host-shared on the regular compiler.]) | |
3476 | ;; | |
3477 | *) | |
3478 | ;; | |
3479 | esac | |
3480 | fi | |
3481 | ||
e8a5fa9c RW |
3482 | # Specify what files to not compare during bootstrap. |
3483 | ||
3484 | compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*" | |
3485 | case "$target" in | |
3486 | hppa*64*-*-hpux*) ;; | |
3487 | hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;; | |
1488e230 | 3488 | powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;; |
e8a5fa9c RW |
3489 | esac |
3490 | AC_SUBST(compare_exclusions) | |
3491 | ||
06a51eac RW |
3492 | AC_CONFIG_FILES([Makefile], |
3493 | [sed "$extrasub_build" Makefile | | |
3494 | sed "$extrasub_host" | | |
3495 | sed "$extrasub_target" > mf$$ | |
3496 | mv -f mf$$ Makefile], | |
3497 | [extrasub_build="$extrasub_build" | |
3498 | extrasub_host="$extrasub_host" | |
3499 | extrasub_target="$extrasub_target"]) | |
3500 | AC_OUTPUT |