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1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2 # 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
3 #
4 # This file is free software; you can redistribute it and/or modify it
5 # under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 2 of the License, or
7 # (at your option) any later version.
8 #
9 # This program is distributed in the hope that it will be useful, but
10 # WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 # General Public License for more details.
13 #
14 # You should have received a copy of the GNU General Public License
15 # along with this program; if not, write to the Free Software
16 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
17
18 ##############################################################################
19 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
20
21 sinclude(config/acx.m4)
22
23 AC_INIT(move-if-change)
24 AC_PREREQ(2.59)
25
26 # Find the build, host, and target systems.
27 ACX_NONCANONICAL_BUILD
28 ACX_NONCANONICAL_HOST
29 ACX_NONCANONICAL_TARGET
30
31 dnl Autoconf 2.5x and later will set a default program prefix if
32 dnl --target was used, even if it was the same as --host. Disable
33 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
34 dnl to take effect.
35 test "$host_noncanonical" = "$target_noncanonical" &&
36 test "$program_prefix$program_suffix$program_transform_name" = \
37 NONENONEs,x,x, &&
38 program_transform_name=s,y,y,
39
40 AC_CANONICAL_SYSTEM
41 AC_ARG_PROGRAM
42
43 m4_pattern_allow([^AS_FOR_TARGET$])dnl
44
45 # Get 'install' or 'install-sh' and its variants.
46 AC_PROG_INSTALL
47 ACX_PROG_LN
48 AC_PROG_LN_S
49
50 ### we might need to use some other shell than /bin/sh for running subshells
51 ### If we are on Windows, search for the shell. This will permit people
52 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
53 ### without also having to set CONFIG_SHELL. This code will work when
54 ### using bash, which sets OSTYPE.
55 case "${OSTYPE}" in
56 *win32*)
57 if test x${CONFIG_SHELL} = x ; then
58 if test ! -f /bin/sh ; then
59 if test x${SHELL} != x && test -f ${SHELL} ; then
60 CONFIG_SHELL=${SHELL}
61 export CONFIG_SHELL
62 else
63 for prog in sh sh.exe bash bash.exe; do
64 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
65 for dir in $PATH; do
66 test -z "$dir" && dir=.
67 if test -f $dir/$prog; then
68 CONFIG_SHELL=$dir/$prog
69 export CONFIG_SHELL
70 break
71 fi
72 done
73 IFS="$save_ifs"
74 test -n "${CONFIG_SHELL}" && break
75 done
76 fi
77 fi
78 fi
79 ;;
80 esac
81
82 config_shell=${CONFIG_SHELL-/bin/sh}
83
84 progname=$0
85 # if PWD already has a value, it is probably wrong.
86 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
87
88 # Export original configure arguments for use by sub-configures.
89 # Quote arguments with shell meta charatcers.
90 TOPLEVEL_CONFIGURE_ARGUMENTS=
91 set -- "$progname" "$@"
92 for ac_arg
93 do
94 case "$ac_arg" in
95 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
96 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
97 # if the argument is of the form -foo=baz, quote the baz part only
98 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
99 *) ;;
100 esac
101 # Add the quoted argument to the list.
102 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
103 done
104 # Remove the initial space we just introduced and, as these will be
105 # expanded by make, quote '$'.
106 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
107 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
108
109 moveifchange=${srcdir}/move-if-change
110
111 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
112
113 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
114 # a relative path.
115 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
116 INSTALL="${srcpwd}/install-sh -c"
117 fi
118
119 # Set srcdir to "." if that's what it is.
120 # This is important for multilib support.
121 pwd=`${PWDCMD-pwd}`
122 if test "${pwd}" = "${srcpwd}" ; then
123 srcdir=.
124 fi
125
126 topsrcdir=$srcpwd
127
128 extra_host_args=
129
130 ### To add a new directory to the tree, first choose whether it is a target
131 ### or a host dependent tool. Then put it into the appropriate list
132 ### (library or tools, host or target), doing a dependency sort.
133
134 # Subdirs will be configured in the order listed in build_configdirs,
135 # configdirs, or target_configdirs; see the serialization section below.
136
137 # Dependency sorting is only needed when *configuration* must be done in
138 # a particular order. In all cases a dependency should be specified in
139 # the Makefile, whether or not it's implicitly specified here.
140
141 # Double entries in build_configdirs, configdirs, or target_configdirs may
142 # cause circular dependencies and break everything horribly.
143
144 # these library is used by various programs built for the build
145 # environment
146 #
147 build_libs="build-libiberty"
148
149 # these tools are built for the build environment
150 build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
151
152 # these libraries are used by various programs built for the host environment
153 #
154 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr"
155
156 # these tools are built for the host environment
157 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
158 # know that we are building the simulator.
159 # binutils, gas and ld appear in that order because it makes sense to run
160 # "make check" in that particular order.
161 host_tools="texinfo byacc flex bison binutils gas ld fixincludes gcc sid sim gdb make patch prms send-pr gprof etc expect dejagnu ash bash bzip2 m4 autoconf automake libtool diff rcs fileutils shellutils time textutils wdiff find uudecode hello tar gzip indent recode release sed utils guile perl gawk findutils gettext zip fastjar gnattools"
162
163 # libgcj represents the runtime libraries only used by gcj.
164 libgcj="target-libffi \
165 target-zlib \
166 target-qthreads \
167 target-libjava"
168
169 # these libraries are built for the target environment, and are built after
170 # the host libraries and the host tools (which may be a cross compiler)
171 #
172 target_libraries="target-libgcc \
173 target-libiberty \
174 target-libgloss \
175 target-newlib \
176 target-libstdc++-v3 \
177 target-libmudflap \
178 target-libssp \
179 target-libgfortran \
180 target-boehm-gc \
181 ${libgcj} \
182 target-libobjc \
183 target-libada \
184 target-libgomp"
185
186 # these tools are built using the target libraries, and are intended to
187 # run only in the target environment
188 #
189 # note: any program that *uses* libraries that are in the "target_libraries"
190 # list belongs in this list. those programs are also very likely
191 # candidates for the "native_only" list which follows
192 #
193 target_tools="target-examples target-groff target-gperf target-rda"
194
195 ################################################################################
196
197 ## All tools belong in one of the four categories, and are assigned above
198 ## We assign ${configdirs} this way to remove all embedded newlines. This
199 ## is important because configure will choke if they ever get through.
200 ## ${configdirs} is directories we build using the host tools.
201 ## ${target_configdirs} is directories we build using the target tools.
202 configdirs=`echo ${host_libs} ${host_tools}`
203 target_configdirs=`echo ${target_libraries} ${target_tools}`
204 build_configdirs=`echo ${build_libs} ${build_tools}`
205
206 ################################################################################
207
208 srcname="gnu development package"
209
210 # This gets set non-empty for some net releases of packages.
211 appdirs=""
212
213 # Define is_cross_compiler to save on calls to 'test'.
214 is_cross_compiler=
215 if test x"${host}" = x"${target}" ; then
216 is_cross_compiler=no
217 else
218 is_cross_compiler=yes
219 fi
220
221 # Find the build and target subdir names.
222 GCC_TOPLEV_SUBDIRS
223
224 # Skipdirs are removed silently.
225 skipdirs=
226 # Noconfigdirs are removed loudly.
227 noconfigdirs=""
228
229 use_gnu_ld=
230 # Make sure we don't let GNU ld be added if we didn't want it.
231 if test x$with_gnu_ld = xno ; then
232 use_gnu_ld=no
233 noconfigdirs="$noconfigdirs ld"
234 fi
235
236 use_gnu_as=
237 # Make sure we don't let GNU as be added if we didn't want it.
238 if test x$with_gnu_as = xno ; then
239 use_gnu_as=no
240 noconfigdirs="$noconfigdirs gas"
241 fi
242
243 # some tools are so dependent upon X11 that if we're not building with X,
244 # it's not even worth trying to configure, much less build, that tool.
245
246 case ${with_x} in
247 yes | "") ;; # the default value for this tree is that X11 is available
248 no)
249 skipdirs="${skipdirs} tk itcl libgui"
250 # We won't be able to build gdbtk without X.
251 enable_gdbtk=no
252 ;;
253 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
254 esac
255
256 # Some tools are only suitable for building in a "native" situation.
257 # Remove these if host!=target.
258 native_only="autoconf automake libtool fileutils find gawk gettext gzip hello indent m4 rcs recode sed shellutils tar textutils uudecode wdiff target-groff guile perl time ash bash bzip2 prms gnuserv target-gperf"
259
260 # Similarly, some are only suitable for cross toolchains.
261 # Remove these if host=target.
262 cross_only="target-libgloss target-newlib target-opcodes"
263
264 case $is_cross_compiler in
265 no) skipdirs="${skipdirs} ${cross_only}" ;;
266 yes) skipdirs="${skipdirs} ${native_only}" ;;
267 esac
268
269 # If both --with-headers and --with-libs are specified, default to
270 # --without-newlib.
271 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
272 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
273 if test x"${with_newlib}" = x ; then
274 with_newlib=no
275 fi
276 fi
277
278 # Recognize --with-newlib/--without-newlib.
279 case ${with_newlib} in
280 no) skipdirs="${skipdirs} target-newlib" ;;
281 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
282 esac
283
284 # Configure extra directories which are host specific
285
286 case "${host}" in
287 *-cygwin*)
288 configdirs="$configdirs libtermcap" ;;
289 esac
290
291 # A target can indicate whether a language isn't supported for some reason.
292 # Only spaces may be used in this macro; not newlines or tabs.
293 unsupported_languages=
294
295 # Remove more programs from consideration, based on the host or
296 # target this usually means that a port of the program doesn't
297 # exist yet.
298
299 case "${host}" in
300 hppa*64*-*-*)
301 noconfigdirs="$noconfigdirs byacc"
302 ;;
303 i[[3456789]]86-*-vsta)
304 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
305 ;;
306 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
307 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
308 ;;
309 x86_64-*-mingw*)
310 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
311 ;;
312 i[[3456789]]86-*-mingw32*)
313 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
314 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
315 ;;
316 i[[3456789]]86-*-beos*)
317 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
318 ;;
319 *-*-cygwin*)
320 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
321 ;;
322 *-*-netbsd*)
323 noconfigdirs="$noconfigdirs rcs"
324 ;;
325 ppc*-*-pe)
326 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
327 ;;
328 powerpc-*-beos*)
329 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
330 ;;
331 esac
332
333
334 AC_ARG_ENABLE(libada,
335 [ --enable-libada Builds libada directory],
336 ENABLE_LIBADA=$enableval,
337 ENABLE_LIBADA=yes)
338 if test "${ENABLE_LIBADA}" != "yes" ; then
339 noconfigdirs="$noconfigdirs gnattools"
340 fi
341
342 AC_ARG_ENABLE(libssp,
343 [ --enable-libssp Builds libssp directory],
344 ENABLE_LIBSSP=$enableval,
345 ENABLE_LIBSSP=yes)
346
347 # Save it here so that, even in case of --enable-libgcj, if the Java
348 # front-end isn't enabled, we still get libgcj disabled.
349 libgcj_saved=$libgcj
350 case $enable_libgcj in
351 yes)
352 # If we reset it here, it won't get added to noconfigdirs in the
353 # target-specific build rules, so it will be forcibly enabled
354 # (unless the Java language itself isn't enabled).
355 libgcj=
356 ;;
357 no)
358 # Make sure we get it printed in the list of not supported target libs.
359 noconfigdirs="$noconfigdirs ${libgcj}"
360 ;;
361 esac
362
363
364 # Disable libmudflap on some systems.
365 if test x$enable_libmudflap = x ; then
366 case "${target}" in
367 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
368 # Enable libmudflap by default in GNU and friends.
369 ;;
370 *-*-freebsd*)
371 # Enable libmudflap by default in FreeBSD.
372 ;;
373 *)
374 # Disable it by default everywhere else.
375 noconfigdirs="$noconfigdirs target-libmudflap"
376 ;;
377 esac
378 fi
379
380 # Disable libgomp on non POSIX hosted systems.
381 if test x$enable_libgomp = x ; then
382 # Enable libgomp by default on hosted POSIX systems.
383 case "${target}" in
384 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
385 ;;
386 *-*-netbsd* | *-*-freebsd* | *-*-openbsd*)
387 ;;
388 *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
389 ;;
390 *-*-darwin* | *-*-aix*)
391 ;;
392 *)
393 noconfigdirs="$noconfigdirs target-libgomp"
394 ;;
395 esac
396 fi
397
398
399 case "${target}" in
400 *-*-chorusos)
401 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
402 ;;
403 powerpc-*-darwin* | i[[3456789]]86-*-darwin*)
404 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
405 noconfigdirs="$noconfigdirs sim target-rda"
406 ;;
407 *-*-darwin*)
408 noconfigdirs="$noconfigdirs ld gas gdb gprof"
409 noconfigdirs="$noconfigdirs sim target-rda"
410 noconfigdirs="$noconfigdirs ${libgcj}"
411 ;;
412 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
413 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
414 ;;
415 *-*-freebsd*)
416 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
417 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
418 && test -f /usr/local/include/gmp.h; then
419 with_gmp=/usr/local
420 fi
421
422 # Skip some stuff that's unsupported on some FreeBSD configurations.
423 case "${target}" in
424 i*86-*-*) ;;
425 alpha*-*-*) ;;
426 *)
427 noconfigdirs="$noconfigdirs ${libgcj}"
428 ;;
429 esac
430 ;;
431 *-*-kaos*)
432 # Remove unsupported stuff on all kaOS configurations.
433 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
434 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
435 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
436 noconfigdirs="$noconfigdirs target-libgloss"
437 ;;
438 *-*-netbsd*)
439 # Skip some stuff on all NetBSD configurations.
440 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
441
442 # Skip some stuff that's unsupported on some NetBSD configurations.
443 case "${target}" in
444 i*86-*-netbsdelf*) ;;
445 arm*-*-netbsdelf*) ;;
446 *)
447 noconfigdirs="$noconfigdirs ${libgcj}"
448 ;;
449 esac
450 ;;
451 *-*-netware*)
452 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
453 ;;
454 *-*-rtems*)
455 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
456 ;;
457 # The tpf target doesn't support gdb yet.
458 *-*-tpf*)
459 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} target-libmudflap gdb tcl tk libgui itcl"
460 ;;
461 *-*-uclinux*)
462 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
463 ;;
464 *-*-vxworks*)
465 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty target-libstdc++-v3 ${libgcj}"
466 ;;
467 alpha*-dec-osf*)
468 # ld works, but does not support shared libraries.
469 # newlib is not 64 bit ready. I'm not sure about fileutils.
470 # gas doesn't generate exception information.
471 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
472 ;;
473 alpha*-*-*vms*)
474 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
475 ;;
476 alpha*-*-linux*)
477 # newlib is not 64 bit ready
478 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
479 ;;
480 alpha*-*-*)
481 # newlib is not 64 bit ready
482 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
483 ;;
484 am33_2.0-*-linux*)
485 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
486 ;;
487 sh-*-linux*)
488 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
489 ;;
490 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
491 noconfigdirs="$noconfigdirs ${libgcj}"
492 noconfigdirs="$noconfigdirs target-examples"
493 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
494 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
495 noconfigdirs="$noconfigdirs expect dejagnu"
496 # the C++ libraries don't build on top of CE's C libraries
497 noconfigdirs="$noconfigdirs target-libstdc++-v3"
498 noconfigdirs="$noconfigdirs target-newlib"
499 case "${host}" in
500 *-*-cygwin*) ;; # keep gdb and readline
501 *) noconfigdirs="$noconfigdirs gdb readline"
502 ;;
503 esac
504 ;;
505 arc-*-*)
506 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
507 ;;
508 arm-semi-aof )
509 ;;
510 arm-*-coff | strongarm-*-coff | xscale-*-coff)
511 noconfigdirs="$noconfigdirs ${libgcj}"
512 ;;
513 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
514 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
515 ;;
516 arm*-*-linux-gnueabi)
517 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
518 noconfigdirs="$noconfigdirs target-libjava target-libobjc"
519 ;;
520 arm*-*-symbianelf*)
521 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
522 ;;
523 arm-*-pe*)
524 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
525 ;;
526 thumb-*-coff)
527 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
528 ;;
529 thumb-*-elf)
530 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
531 ;;
532 thumb-*-pe)
533 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
534 ;;
535 arm-*-riscix*)
536 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
537 ;;
538 avr-*-*)
539 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
540 ;;
541 bfin-*-*)
542 noconfigdirs="$noconfigdirs gdb"
543 if test x${is_cross_compiler} != xno ; then
544 target_configdirs="${target_configdirs} target-bsp target-cygmon"
545 fi
546 ;;
547 c4x-*-* | tic4x-*-*)
548 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
549 ;;
550 c54x*-*-* | tic54x-*-*)
551 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
552 ;;
553 cris-*-* | crisv32-*-*)
554 unsupported_languages="$unsupported_languages java"
555 case "${target}" in
556 *-*-aout)
557 unsupported_languages="$unsupported_languages fortran"
558 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
559 *-*-elf)
560 unsupported_languages="$unsupported_languages fortran"
561 noconfigdirs="$noconfigdirs target-boehm-gc";;
562 *-*-linux*)
563 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
564 *)
565 unsupported_languages="$unsupported_languages fortran"
566 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
567 esac
568 ;;
569 crx-*-*)
570 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
571 ;;
572 d10v-*-*)
573 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
574 ;;
575 d30v-*-*)
576 noconfigdirs="$noconfigdirs ${libgcj} gdb"
577 ;;
578 fr30-*-elf*)
579 noconfigdirs="$noconfigdirs ${libgcj} gdb"
580 ;;
581 frv-*-*)
582 noconfigdirs="$noconfigdirs ${libgcj}"
583 ;;
584 h8300*-*-*)
585 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
586 ;;
587 h8500-*-*)
588 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
589 ;;
590 hppa1.1-*-osf* | hppa1.1-*-bsd* )
591 ;;
592 hppa*64*-*-linux* | parisc*64*-*-linux*)
593 # In this case, it's because the hppa64-linux target is for
594 # the kernel only at this point and has no libc, and thus no
595 # headers, crt*.o, etc., all of which are needed by these.
596 noconfigdirs="$noconfigdirs target-zlib"
597 ;;
598 parisc*-*-linux* | hppa*-*-linux*)
599 ;;
600 hppa*-*-*elf* | \
601 hppa*-*-lites* | \
602 hppa*-*-openbsd* | \
603 hppa*64*-*-*)
604 noconfigdirs="$noconfigdirs ${libgcj}"
605 ;;
606 hppa*-hp-hpux11*)
607 noconfigdirs="$noconfigdirs ld shellutils"
608 ;;
609 hppa*-*-*)
610 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
611 # build on HP-UX 10.20.
612 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
613 ;;
614 i960-*-*)
615 noconfigdirs="$noconfigdirs ${libgcj} gdb"
616 ;;
617 ia64*-*-elf*)
618 # No gdb support yet.
619 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
620 ;;
621 ia64*-**-hpux*)
622 # No gdb or ld support yet.
623 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
624 ;;
625 i370-*-opened*)
626 ;;
627 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
628 noconfigdirs="$noconfigdirs ${libgcj}"
629 ;;
630 i[[3456789]]86-*-linux*)
631 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
632 # not build java stuff by default.
633 case "${target}" in
634 *-*-*libc1*)
635 noconfigdirs="$noconfigdirs ${libgcj}";;
636 esac
637
638 # This section makes it possible to build newlib natively on linux.
639 # If we are using a cross compiler then don't configure newlib.
640 if test x${is_cross_compiler} != xno ; then
641 noconfigdirs="$noconfigdirs target-newlib"
642 fi
643 noconfigdirs="$noconfigdirs target-libgloss"
644 # If we are not using a cross compiler, do configure newlib.
645 # Note however, that newlib will only be configured in this situation
646 # if the --with-newlib option has been given, because otherwise
647 # 'target-newlib' will appear in skipdirs.
648 ;;
649 i[[3456789]]86-*-mingw32*)
650 target_configdirs="$target_configdirs target-winsup"
651 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
652 ;;
653 x86_64-*-mingw*)
654 target_configdirs="$target_configdirs target-winsup"
655 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
656 ;;
657 *-*-cygwin*)
658 target_configdirs="$target_configdirs target-libtermcap target-winsup"
659 noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
660 # always build newlib if winsup directory is present.
661 if test -d "$srcdir/winsup/cygwin"; then
662 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
663 elif test -d "$srcdir/newlib"; then
664 echo "Warning: winsup/cygwin is missing so newlib can't be built."
665 fi
666 ;;
667 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
668 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
669 ;;
670 i[[3456789]]86-*-pe)
671 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
672 ;;
673 i[[3456789]]86-*-sco3.2v5*)
674 # The linker does not yet know about weak symbols in COFF,
675 # and is not configured to handle mixed ELF and COFF.
676 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
677 ;;
678 i[[3456789]]86-*-sco*)
679 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
680 ;;
681 i[[3456789]]86-*-solaris2*)
682 noconfigdirs="$noconfigdirs target-libgloss"
683 ;;
684 i[[3456789]]86-*-sysv4*)
685 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
686 ;;
687 i[[3456789]]86-*-beos*)
688 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
689 ;;
690 i[[3456789]]86-*-rdos*)
691 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
692 ;;
693 m32r-*-*)
694 noconfigdirs="$noconfigdirs ${libgcj}"
695 ;;
696 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
697 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
698 ;;
699 m68k-*-elf*)
700 noconfigdirs="$noconfigdirs ${libgcj}"
701 ;;
702 m68k-*-coff*)
703 noconfigdirs="$noconfigdirs ${libgcj}"
704 ;;
705 mcore-*-pe*)
706 # The EPOC C++ environment does not support exceptions or rtti,
707 # and so building libstdc++-v3 tends not to always work.
708 noconfigdirs="$noconfigdirs target-libstdc++-v3"
709 ;;
710 mmix-*-*)
711 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
712 unsupported_languages="$unsupported_languages fortran java"
713 ;;
714 mn10200-*-*)
715 noconfigdirs="$noconfigdirs ${libgcj}"
716 ;;
717 mn10300-*-*)
718 noconfigdirs="$noconfigdirs ${libgcj}"
719 ;;
720 mt-*-*)
721 noconfigdirs="$noconfigdirs sim"
722 ;;
723 powerpc-*-aix*)
724 # copied from rs6000-*-* entry
725 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp ${libgcj}"
726 ;;
727 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
728 target_configdirs="$target_configdirs target-winsup"
729 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
730 # always build newlib.
731 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
732 ;;
733 # This is temporary until we can link against shared libraries
734 powerpcle-*-solaris*)
735 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
736 ;;
737 powerpc-*-beos*)
738 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
739 ;;
740 powerpc-*-eabi)
741 noconfigdirs="$noconfigdirs ${libgcj}"
742 ;;
743 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
744 ;;
745 rs6000-*-lynxos*)
746 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
747 ;;
748 rs6000-*-aix*)
749 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp ${libgcj}"
750 ;;
751 rs6000-*-*)
752 noconfigdirs="$noconfigdirs gprof ${libgcj}"
753 ;;
754 m68k-apollo-*)
755 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
756 ;;
757 mips*-*-irix5*)
758 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
759 ;;
760 mips*-*-irix6*)
761 # Linking libjava exceeds command-line length limits on at least
762 # IRIX 6.2, but not on IRIX 6.5.
763 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
764 # <oldham@codesourcery.com>
765 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
766 ;;
767 mips*-*-bsd*)
768 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
769 ;;
770 mips64*-*-linux*)
771 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
772 ;;
773 mips*-*-linux*)
774 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
775 ;;
776 mips*-*-*)
777 noconfigdirs="$noconfigdirs gprof ${libgcj}"
778 ;;
779 romp-*-*)
780 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
781 ;;
782 sh-*-* | sh64-*-*)
783 case "${host}" in
784 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
785 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
786 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
787 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
788 esac
789 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
790 ;;
791 sparc-*-elf*)
792 noconfigdirs="$noconfigdirs ${libgcj}"
793 ;;
794 sparc64-*-elf*)
795 noconfigdirs="$noconfigdirs ${libgcj}"
796 ;;
797 sparclite-*-*)
798 noconfigdirs="$noconfigdirs ${libgcj}"
799 ;;
800 sparc-*-sunos4*)
801 noconfigdirs="$noconfigdirs ${libgcj}"
802 if test x${is_cross_compiler} != xno ; then
803 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
804 else
805 use_gnu_ld=no
806 fi
807 ;;
808 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
809 noconfigdirs="$noconfigdirs ${libgcj}"
810 ;;
811 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
812 ;;
813 spu-*-*)
814 skipdirs="target-libssp"
815 ;;
816 v810-*-*)
817 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
818 ;;
819 v850-*-*)
820 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
821 ;;
822 v850e-*-*)
823 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
824 ;;
825 v850ea-*-*)
826 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
827 ;;
828 vax-*-vms)
829 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
830 ;;
831 vax-*-*)
832 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
833 ;;
834 xtensa-*-*)
835 noconfigdirs="$noconfigdirs ${libgcj}"
836 ;;
837 ip2k-*-*)
838 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
839 ;;
840 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
841 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
842 ;;
843 *-*-lynxos*)
844 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
845 ;;
846 *-*-*)
847 noconfigdirs="$noconfigdirs ${libgcj}"
848 ;;
849 esac
850
851 # If we aren't building newlib, then don't build libgloss, since libgloss
852 # depends upon some newlib header files.
853 case "${noconfigdirs}" in
854 *target-libgloss*) ;;
855 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
856 esac
857
858 # Work in distributions that contain no compiler tools, like Autoconf.
859 tentative_cc=""
860 host_makefile_frag=/dev/null
861 if test -d ${srcdir}/config ; then
862 case "${host}" in
863 m68k-hp-hpux*)
864 # Avoid "too much defining" errors from HPUX compiler.
865 tentative_cc="cc -Wp,-H256000"
866 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
867 # If it's HP/UX ar, this should be harmless.
868 RANLIB="ar ts"
869 ;;
870 m68k-apollo-sysv*)
871 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
872 ;;
873 m68k-apollo-bsd*)
874 #None of the Apollo compilers can compile gas or binutils. The preprocessor
875 # chokes on bfd, the compiler won't let you assign integers to enums, and
876 # other problems. Defining CC to gcc is a questionable way to say "don't use
877 # the apollo compiler" (the preferred version of GCC could be called cc,
878 # or whatever), but I'm not sure leaving CC as cc is any better...
879 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
880 # Used to have BISON=yacc.
881 tentative_cc=gcc
882 ;;
883 m88k-dg-dgux*)
884 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
885 ;;
886 m88k-harris-cxux*)
887 # Under CX/UX, we want to tell the compiler to use ANSI mode.
888 tentative_cc="cc -Xa"
889 host_makefile_frag="config/mh-cxux"
890 ;;
891 m88k-motorola-sysv*)
892 ;;
893 mips*-dec-ultrix*)
894 tentative_cc="cc -Wf,-XNg1000"
895 host_makefile_frag="config/mh-decstation"
896 ;;
897 mips*-nec-sysv4*)
898 # The C compiler on NEC MIPS SVR4 needs bigger tables.
899 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
900 host_makefile_frag="config/mh-necv4"
901 ;;
902 mips*-sgi-irix4*)
903 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
904 # environment. Also bump switch table size so that cp-parse will
905 # compile. Bump string length limit so linker builds.
906 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
907 ;;
908 mips*-*-sysv4*)
909 host_makefile_frag="config/mh-sysv4"
910 ;;
911 mips*-*-sysv*)
912 # This is for a MIPS running RISC/os 4.52C.
913
914 # This is needed for GDB, but needs to be in the top-level make because
915 # if a library is compiled with the bsd headers and gets linked with the
916 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
917 # a different size).
918 # ptrace(2) apparently has problems in the BSD environment. No workaround is
919 # known except to select the sysv environment. Could we use /proc instead?
920 # These "sysv environments" and "bsd environments" often end up being a pain.
921 #
922 # This is not part of CFLAGS because perhaps not all C compilers have this
923 # option.
924 tentative_cc="cc -systype sysv"
925 ;;
926 i370-ibm-opened*)
927 tentative_cc="c89"
928 ;;
929 i[[3456789]]86-*-sysv5*)
930 host_makefile_frag="config/mh-sysv5"
931 ;;
932 i[[3456789]]86-*-dgux*)
933 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
934 host_makefile_frag="config/mh-dgux386"
935 ;;
936 i[[3456789]]86-ncr-sysv4.3*)
937 # The MetaWare compiler will generate a copyright message unless you
938 # turn it off by adding the -Hnocopyr flag.
939 tentative_cc="cc -Hnocopyr"
940 ;;
941 i[[3456789]]86-ncr-sysv4*)
942 # for an NCR 3000 (i486/SVR4) system.
943 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
944 # This compiler not only emits obnoxious copyright messages every time
945 # you run it, but it chokes and dies on a whole bunch of GNU source
946 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
947 tentative_cc="/usr/ccs/ATT/cc"
948 host_makefile_frag="config/mh-ncr3000"
949 ;;
950 i[[3456789]]86-*-sco3.2v5*)
951 ;;
952 i[[3456789]]86-*-sco*)
953 # The native C compiler botches some simple uses of const. Unfortunately,
954 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
955 tentative_cc="cc -Dconst="
956 host_makefile_frag="config/mh-sco"
957 ;;
958 i[[3456789]]86-*-udk*)
959 host_makefile_frag="config/mh-sysv5"
960 ;;
961 i[[3456789]]86-*-solaris2*)
962 host_makefile_frag="config/mh-sysv4"
963 ;;
964 i[[3456789]]86-*-msdosdjgpp*)
965 host_makefile_frag="config/mh-djgpp"
966 ;;
967 *-cygwin*)
968 host_makefile_frag="config/mh-cygwin"
969 ;;
970 *-mingw32*)
971 ;;
972 *-mingw64*)
973 ;;
974 *-interix*)
975 host_makefile_frag="config/mh-interix"
976 ;;
977 vax-*-ultrix2*)
978 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
979 tentative_cc=gcc
980 ;;
981 *-*-solaris2*)
982 host_makefile_frag="config/mh-solaris"
983 ;;
984 m68k-sun-sunos*)
985 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
986 # without overflowing the jump tables (-J says to use a 32 bit table)
987 tentative_cc="cc -J"
988 ;;
989 *-hp-hpux*)
990 tentative_cc="cc -Wp,-H256000"
991 ;;
992 *-*-hiux*)
993 tentative_cc="cc -Wp,-H256000"
994 ;;
995 rs6000-*-lynxos*)
996 # /bin/cc is less than useful for our purposes. Always use GCC
997 tentative_cc="/usr/cygnus/progressive/bin/gcc"
998 host_makefile_frag="config/mh-lynxrs6k"
999 ;;
1000 powerpc-*-darwin*)
1001 host_makefile_frag="config/mh-ppc-darwin"
1002 ;;
1003 powerpc-*-aix*)
1004 host_makefile_frag="config/mh-ppc-aix"
1005 ;;
1006 rs6000-*-aix*)
1007 host_makefile_frag="config/mh-ppc-aix"
1008 ;;
1009 *-*-lynxos*)
1010 # /bin/cc is less than useful for our purposes. Always use GCC
1011 tentative_cc="/bin/gcc"
1012 ;;
1013 *-*-sysv4*)
1014 host_makefile_frag="config/mh-sysv4"
1015 ;;
1016 # This is placed last to prevent interfering with the cases above.
1017 i[[3456789]]86-*-*)
1018 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
1019 host_makefile_frag="config/mh-x86omitfp"
1020 ;;
1021 esac
1022 fi
1023
1024 # If we aren't going to be using gcc, see if we can extract a definition
1025 # of CC from the fragment.
1026 # Actually, use the 'pre-extracted' version above.
1027 if test -z "${CC}" && test "${build}" = "${host}" ; then
1028 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1029 found=
1030 for dir in $PATH; do
1031 test -z "$dir" && dir=.
1032 if test -f $dir/gcc; then
1033 found=yes
1034 break
1035 fi
1036 done
1037 IFS="$save_ifs"
1038 if test -z "${found}" && test -n "${tentative_cc}" ; then
1039 CC=$tentative_cc
1040 fi
1041 fi
1042
1043 if test "${build}" != "${host}" ; then
1044 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1045 else
1046 CC_FOR_BUILD="\$(CC)"
1047 fi
1048
1049 AC_PROG_CC
1050 AC_PROG_CXX
1051
1052 # We must set the default linker to the linker used by gcc for the correct
1053 # operation of libtool. If LD is not defined and we are using gcc, try to
1054 # set the LD default to the ld used by gcc.
1055 if test -z "$LD"; then
1056 if test "$GCC" = yes; then
1057 case $build in
1058 *-*-mingw*)
1059 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1060 *)
1061 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1062 esac
1063 case $gcc_prog_ld in
1064 # Accept absolute paths.
1065 [[\\/]* | [A-Za-z]:[\\/]*)]
1066 LD="$gcc_prog_ld" ;;
1067 esac
1068 fi
1069 fi
1070
1071 ACX_PROG_GNAT
1072 ACX_PROG_CMP_IGNORE_INITIAL
1073
1074 # Check for GMP and MPFR
1075 gmplibs="-lmpfr -lgmp"
1076 gmpinc=
1077 have_gmp=no
1078
1079 # Specify a location for mpfr
1080 # check for this first so it ends up on the link line before gmp.
1081 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH This option has been REMOVED],
1082 AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1083 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH]))
1084
1085 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH Specify prefix directory for installed MPFR package
1086 Equivalent to --with-mpfr-include=PATH/include
1087 plus --with-mpfr-lib=PATH/lib])
1088 AC_ARG_WITH(mpfr_include, [ --with-mpfr-include=PATH
1089 Specify directory for installed MPFR include files])
1090 AC_ARG_WITH(mpfr_lib, [ --with-mpfr-lib=PATH Specify the directory for the installed MPFR library])
1091
1092 if test "x$with_mpfr" != x; then
1093 gmplibs="-L$with_mpfr/lib $gmplibs"
1094 gmpinc="-I$with_mpfr/include"
1095 fi
1096 if test "x$with_mpfr_include" != x; then
1097 gmpinc="-I$with_mpfr_include"
1098 fi
1099 if test "x$with_mpfr_lib" != x; then
1100 gmplibs="-L$with_mpfr_lib $gmplibs"
1101 fi
1102 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1103 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/.libs -L$$r/$(HOST_SUBDIR)/mpfr/_libs '"$gmplibs"
1104 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1105 # Do not test the mpfr version. Assume that it is sufficient, since
1106 # it is in the source tree, and the library has not been built yet
1107 # but it would be included on the link line in the version check below
1108 # hence making the test fail.
1109 have_gmp=yes
1110 fi
1111
1112 # Specify a location for gmp
1113 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH This option has been REMOVED],
1114 AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1115 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH]))
1116
1117 AC_ARG_WITH(gmp, [ --with-gmp=PATH Specify prefix directory for the installed GMP package
1118 Equivalent to --with-gmp-include=PATH/include
1119 plus --with-gmp-lib=PATH/lib])
1120 AC_ARG_WITH(gmp_include, [ --with-gmp-include=PATH Specify directory for installed GMP include files])
1121 AC_ARG_WITH(gmp_lib, [ --with-gmp-lib=PATH Specify the directory for the installed GMP library])
1122
1123
1124 if test "x$with_gmp" != x; then
1125 gmplibs="-L$with_gmp/lib $gmplibs"
1126 gmpinc="-I$with_gmp/include $gmpinc"
1127 fi
1128 if test "x$with_gmp_include" != x; then
1129 gmpinc="-I$with_gmp_include $gmpinc"
1130 fi
1131 if test "x$with_gmp_lib" != x; then
1132 gmplibs="-L$with_gmp_lib $gmplibs"
1133 fi
1134 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1135 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/.libs -L$$r/$(HOST_SUBDIR)/gmp/_libs '"$gmplibs"
1136 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1137 # Do not test the gmp version. Assume that it is sufficient, since
1138 # it is in the source tree, and the library has not been built yet
1139 # but it would be included on the link line in the version check below
1140 # hence making the test fail.
1141 have_gmp=yes
1142 fi
1143
1144 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1145 have_gmp=yes
1146 saved_CFLAGS="$CFLAGS"
1147 CFLAGS="$CFLAGS $gmpinc"
1148 # Check GMP actually works
1149 AC_MSG_CHECKING([for correct version of gmp.h])
1150 AC_TRY_COMPILE([#include "gmp.h"],[
1151 #if __GNU_MP_VERSION < 4 || (__GNU_MP_VERSION == 4 && __GNU_MP_VERSION_MINOR < 1)
1152 choke me
1153 #endif
1154 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1155
1156 if test x"$have_gmp" = xyes; then
1157 saved_LIBS="$LIBS"
1158 LIBS="$LIBS $gmplibs"
1159 dnl MPFR 2.2.0 is acceptable but buggy, MPFR 2.2.1 is better.
1160 AC_MSG_CHECKING([for correct version of mpfr.h])
1161 AC_TRY_LINK([#include <gmp.h>
1162 #include <mpfr.h>],[
1163 #if MPFR_VERSION < MPFR_VERSION_NUM(2,2,0)
1164 choke me
1165 #endif
1166 mpfr_t n;
1167 mpfr_t x;
1168 int t;
1169 mpfr_init (n);
1170 mpfr_init (x);
1171 mpfr_atan2 (n, n, x, GMP_RNDN);
1172 mpfr_erfc (n, x, GMP_RNDN);
1173 mpfr_subnormalize (x, t, GMP_RNDN);
1174 ], [AC_TRY_LINK([#include <gmp.h>
1175 #include <mpfr.h>],[
1176 #if MPFR_VERSION < MPFR_VERSION_NUM(2,2,1)
1177 choke me
1178 #endif
1179 mpfr_t n; mpfr_init(n);
1180 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1181 [AC_MSG_RESULT([no]); have_gmp=no])
1182 LIBS="$saved_LIBS"
1183 fi
1184 CFLAGS="$saved_CFLAGS"
1185
1186 if test x$have_gmp != xyes; then
1187 AC_MSG_ERROR([Building GCC requires GMP 4.1+ and MPFR 2.2.1+.
1188 Try the --with-gmp and/or --with-mpfr options to specify their locations.
1189 Copies of these libraries' source code can be found at their respective
1190 hosting sites as well as at ftp://gcc.gnu.org/pub/gcc/infrastructure/.
1191 See also http://gcc.gnu.org/install/prerequisites.html for additional info.
1192 If you obtained GMP and/or MPFR from a vendor distribution package, make
1193 sure that you have installed both the libraries and the header files.
1194 They may be located in separate packages.])
1195 fi
1196 fi
1197
1198 # Flags needed for both GMP and/or MPFR
1199 AC_SUBST(gmplibs)
1200 AC_SUBST(gmpinc)
1201
1202 # By default, C is the only stage 1 language.
1203 stage1_languages=,c,
1204
1205 # Figure out what language subdirectories are present.
1206 # Look if the user specified --enable-languages="..."; if not, use
1207 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1208 # go away some day.
1209 # NB: embedded tabs in this IF block -- do not untabify
1210 if test -d ${srcdir}/gcc; then
1211 if test x"${enable_languages+set}" != xset; then
1212 if test x"${LANGUAGES+set}" = xset; then
1213 enable_languages="${LANGUAGES}"
1214 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1215 else
1216 enable_languages=all
1217 fi
1218 else
1219 if test x"${enable_languages}" = x ||
1220 test x"${enable_languages}" = xyes;
1221 then
1222 echo configure.in: --enable-languages needs at least one language argument 1>&2
1223 exit 1
1224 fi
1225 fi
1226 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1227
1228 # 'f95' is the old name for the 'fortran' language. We issue a warning
1229 # and make the substitution.
1230 case ,${enable_languages}, in
1231 *,f95,*)
1232 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1233 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1234 ;;
1235 esac
1236
1237 # First scan to see if an enabled language requires some other language.
1238 # We assume that a given config-lang.in will list all the language
1239 # front ends it requires, even if some are required indirectly.
1240 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1241 case ${lang_frag} in
1242 ..) ;;
1243 # The odd quoting in the next line works around
1244 # an apparent bug in bash 1.12 on linux.
1245 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1246 *)
1247 # From the config-lang.in, get $language, $lang_requires
1248 language=
1249 lang_requires=
1250 . ${lang_frag}
1251 for other in ${lang_requires} ; do
1252 case ,${enable_languages}, in
1253 *,$other,*) ;;
1254 *,all,*) ;;
1255 *,$language,*)
1256 echo " \`$other' language required by \`$language'; enabling" 1>&2
1257 enable_languages="${enable_languages},${other}"
1258 ;;
1259 esac
1260 done
1261 ;;
1262 esac
1263 done
1264
1265 new_enable_languages=,c,
1266 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1267 potential_languages=,c,
1268
1269 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1270 case ${lang_frag} in
1271 ..) ;;
1272 # The odd quoting in the next line works around
1273 # an apparent bug in bash 1.12 on linux.
1274 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1275 *)
1276 # From the config-lang.in, get $language, $target_libs,
1277 # $lang_dirs, $boot_language, and $build_by_default
1278 language=
1279 target_libs=
1280 lang_dirs=
1281 subdir_requires=
1282 boot_language=no
1283 build_by_default=yes
1284 . ${lang_frag}
1285 if test x${language} = x; then
1286 echo "${lang_frag} doesn't set \$language." 1>&2
1287 exit 1
1288 fi
1289
1290 case ,${enable_languages}, in
1291 *,${language},*)
1292 # Language was explicitly selected; include it.
1293 add_this_lang=yes
1294 ;;
1295 *,all,*)
1296 # 'all' was selected, select it if it is a default language
1297 add_this_lang=${build_by_default}
1298 ;;
1299 *)
1300 add_this_lang=no
1301 ;;
1302 esac
1303
1304 # Disable languages that need other directories if these aren't available.
1305 for i in $subdir_requires; do
1306 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1307 case ,${enable_languages}, in
1308 *,${language},*)
1309 # Specifically requested language; tell them.
1310 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1311 ;;
1312 *)
1313 # Silently disable.
1314 add_this_lang=unsupported
1315 ;;
1316 esac
1317 done
1318
1319 # Disable Ada if no preexisting GNAT is available.
1320 case ,${enable_languages},:${language}:${have_gnat} in
1321 *,${language},*:ada:no)
1322 # Specifically requested language; tell them.
1323 AC_MSG_ERROR([GNAT is required to build $language])
1324 ;;
1325 *:ada:no)
1326 # Silently disable.
1327 add_this_lang=unsupported
1328 ;;
1329 esac
1330
1331 # Disable a language that is unsupported by the target.
1332 case " $unsupported_languages " in
1333 *" $language "*)
1334 add_this_lang=unsupported
1335 ;;
1336 esac
1337
1338 case $add_this_lang in
1339 unsupported)
1340 # Remove language-dependent dirs.
1341 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1342 ;;
1343 no)
1344 # Remove language-dependent dirs; still show language as supported.
1345 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1346 potential_languages="${potential_languages}${language},"
1347 ;;
1348 yes)
1349 new_enable_languages="${new_enable_languages}${language},"
1350 potential_languages="${potential_languages}${language},"
1351 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1352 case ${boot_language} in
1353 yes)
1354 # Add to (comma-separated) list of stage 1 languages.
1355 stage1_languages="${stage1_languages}${language},"
1356 ;;
1357 esac
1358 ;;
1359 esac
1360 ;;
1361 esac
1362 done
1363
1364 AC_ARG_ENABLE(stage1-languages,
1365 [ --enable-stage1-languages[=all] choose additional languages to build during
1366 stage1. Mostly useful for compiler development.],
1367 [case ,${enable_stage1_languages}, in
1368 ,no,|,,)
1369 # Set it to something that will have no effect in the loop below
1370 enable_stage1_languages=c ;;
1371 ,yes,)
1372 enable_stage1_languages=`echo $new_enable_languages | \
1373 sed -e "s/^,//" -e "s/,$//" ` ;;
1374 *,all,*)
1375 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1376 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1377 esac
1378
1379 # Add "good" languages from enable_stage1_languages to stage1_languages,
1380 # while "bad" languages go in missing_languages. Leave no duplicates.
1381 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1382 case $potential_languages in
1383 *,$i,*)
1384 case $stage1_languages in
1385 *,$i,*) ;;
1386 *) stage1_languages="$stage1_languages$i," ;;
1387 esac ;;
1388 *)
1389 case $missing_languages in
1390 *,$i,*) ;;
1391 *) missing_languages="$missing_languages$i," ;;
1392 esac ;;
1393 esac
1394 done])
1395
1396 # Remove leading/trailing commas that were added for simplicity
1397 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1398 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1399 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1400 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1401
1402 if test "x$missing_languages" != x; then
1403 AC_MSG_ERROR([
1404 The following requested languages could not be built: ${missing_languages}
1405 Supported languages are: ${potential_languages}])
1406 fi
1407 if test "x$new_enable_languages" != "x$enable_languages"; then
1408 echo The following languages will be built: ${new_enable_languages}
1409 enable_languages="$new_enable_languages"
1410 fi
1411
1412 AC_SUBST(stage1_languages)
1413 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
1414 fi
1415
1416 # Handle --disable-<component> generically.
1417 for dir in $configdirs $build_configdirs $target_configdirs ; do
1418 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1419 if eval test x\${enable_${dirname}} "=" xno ; then
1420 noconfigdirs="$noconfigdirs $dir"
1421 fi
1422 done
1423
1424 # Check for Boehm's garbage collector
1425 AC_ARG_ENABLE(objc-gc,
1426 [ --enable-objc-gc enable the use of Boehm's garbage collector with
1427 the GNU Objective-C runtime.],
1428 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1429 *,objc,*:*:yes:*target-boehm-gc*)
1430 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1431 ;;
1432 esac])
1433
1434 # Make sure we only build Boehm's garbage collector if required.
1435 case ,${enable_languages},:${enable_objc_gc} in
1436 *,objc,*:yes)
1437 # Keep target-boehm-gc if requested for Objective-C.
1438 ;;
1439 *)
1440 # Otherwise remove target-boehm-gc depending on target-libjava.
1441 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1442 noconfigdirs="$noconfigdirs target-boehm-gc"
1443 fi
1444 ;;
1445 esac
1446
1447 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1448 # $build_configdirs and $target_configdirs.
1449 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1450
1451 notsupp=""
1452 for dir in . $skipdirs $noconfigdirs ; do
1453 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1454 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1455 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1456 if test -r $srcdir/$dirname/configure ; then
1457 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1458 true
1459 else
1460 notsupp="$notsupp $dir"
1461 fi
1462 fi
1463 fi
1464 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1465 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1466 if test -r $srcdir/$dirname/configure ; then
1467 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1468 true
1469 else
1470 notsupp="$notsupp $dir"
1471 fi
1472 fi
1473 fi
1474 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1475 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1476 if test -r $srcdir/$dirname/configure ; then
1477 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1478 true
1479 else
1480 notsupp="$notsupp $dir"
1481 fi
1482 fi
1483 fi
1484 done
1485
1486 # Sometimes the tools are distributed with libiberty but with no other
1487 # libraries. In that case, we don't want to build target-libiberty.
1488 # Don't let libgcc imply libiberty either.
1489 if test -n "${target_configdirs}" ; then
1490 libgcc=
1491 others=
1492 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1493 if test "$i" = "libgcc"; then
1494 libgcc=target-libgcc
1495 elif test "$i" != "libiberty" ; then
1496 if test -r $srcdir/$i/configure ; then
1497 others=yes;
1498 break;
1499 fi
1500 fi
1501 done
1502 if test -z "${others}" ; then
1503 target_configdirs=$libgcc
1504 fi
1505 fi
1506
1507 # Quietly strip out all directories which aren't configurable in this tree.
1508 # This relies on all configurable subdirectories being autoconfiscated, which
1509 # is now the case.
1510 build_configdirs_all="$build_configdirs"
1511 build_configdirs=
1512 for i in ${build_configdirs_all} ; do
1513 j=`echo $i | sed -e s/build-//g`
1514 if test -f ${srcdir}/$j/configure ; then
1515 build_configdirs="${build_configdirs} $i"
1516 fi
1517 done
1518
1519 configdirs_all="$configdirs"
1520 configdirs=
1521 for i in ${configdirs_all} ; do
1522 if test -f ${srcdir}/$i/configure ; then
1523 configdirs="${configdirs} $i"
1524 fi
1525 done
1526
1527 target_configdirs_all="$target_configdirs"
1528 target_configdirs=
1529 for i in ${target_configdirs_all} ; do
1530 j=`echo $i | sed -e s/target-//g`
1531 if test -f ${srcdir}/$j/configure ; then
1532 target_configdirs="${target_configdirs} $i"
1533 fi
1534 done
1535
1536 # Produce a warning message for the subdirs we can't configure.
1537 # This isn't especially interesting in the Cygnus tree, but in the individual
1538 # FSF releases, it's important to let people know when their machine isn't
1539 # supported by the one or two programs in a package.
1540
1541 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1542 # If $appdirs is non-empty, at least one of those directories must still
1543 # be configured, or we error out. (E.g., if the gas release supports a
1544 # specified target in some subdirs but not the gas subdir, we shouldn't
1545 # pretend that all is well.)
1546 if test -n "$appdirs" ; then
1547 for dir in $appdirs ; do
1548 if test -r $dir/Makefile.in ; then
1549 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1550 appdirs=""
1551 break
1552 fi
1553 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1554 appdirs=""
1555 break
1556 fi
1557 fi
1558 done
1559 if test -n "$appdirs" ; then
1560 echo "*** This configuration is not supported by this package." 1>&2
1561 exit 1
1562 fi
1563 fi
1564 # Okay, some application will build, or we don't care to check. Still
1565 # notify of subdirs not getting built.
1566 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1567 echo " ${notsupp}" 1>&2
1568 echo " (Any other directories should still work fine.)" 1>&2
1569 fi
1570
1571 case "$host" in
1572 *msdosdjgpp*)
1573 enable_gdbtk=no ;;
1574 esac
1575
1576 # To find our prefix, in gcc_cv_tool_prefix.
1577 ACX_TOOL_DIRS
1578
1579 copy_dirs=
1580
1581 AC_ARG_WITH([build-sysroot],
1582 [ --with-build-sysroot=sysroot
1583 use sysroot as the system root during the build],
1584 [if test x"$withval" != x ; then
1585 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
1586 fi],
1587 [SYSROOT_CFLAGS_FOR_TARGET=])
1588 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
1589
1590 # Handle --with-headers=XXX. If the value is not "yes", the contents of
1591 # the named directory are copied to $(tooldir)/sys-include.
1592 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1593 if test x${is_cross_compiler} = xno ; then
1594 echo 1>&2 '***' --with-headers is only supported when cross compiling
1595 exit 1
1596 fi
1597 if test x"${with_headers}" != xyes ; then
1598 x=${gcc_cv_tool_prefix}
1599 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
1600 fi
1601 fi
1602
1603 # Handle --with-libs=XXX. If the value is not "yes", the contents of
1604 # the name directories are copied to $(tooldir)/lib. Multiple directories
1605 # are permitted.
1606 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1607 if test x${is_cross_compiler} = xno ; then
1608 echo 1>&2 '***' --with-libs is only supported when cross compiling
1609 exit 1
1610 fi
1611 if test x"${with_libs}" != xyes ; then
1612 # Copy the libraries in reverse order, so that files in the first named
1613 # library override files in subsequent libraries.
1614 x=${gcc_cv_tool_prefix}
1615 for l in ${with_libs}; do
1616 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
1617 done
1618 fi
1619 fi
1620
1621 # Set with_gnu_as and with_gnu_ld as appropriate.
1622 #
1623 # This is done by determining whether or not the appropriate directory
1624 # is available, and by checking whether or not specific configurations
1625 # have requested that this magic not happen.
1626 #
1627 # The command line options always override the explicit settings in
1628 # configure.in, and the settings in configure.in override this magic.
1629 #
1630 # If the default for a toolchain is to use GNU as and ld, and you don't
1631 # want to do that, then you should use the --without-gnu-as and
1632 # --without-gnu-ld options for the configure script.
1633
1634 if test x${use_gnu_as} = x &&
1635 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1636 with_gnu_as=yes
1637 extra_host_args="$extra_host_args --with-gnu-as"
1638 fi
1639
1640 if test x${use_gnu_ld} = x &&
1641 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1642 with_gnu_ld=yes
1643 extra_host_args="$extra_host_args --with-gnu-ld"
1644 fi
1645
1646 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1647 # can detect this case.
1648
1649 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1650 with_newlib=yes
1651 extra_host_args="$extra_host_args --with-newlib"
1652 fi
1653
1654 # Handle ${copy_dirs}
1655 set fnord ${copy_dirs}
1656 shift
1657 while test $# != 0 ; do
1658 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1659 :
1660 else
1661 echo Copying $1 to $2
1662
1663 # Use the install script to create the directory and all required
1664 # parent directories.
1665 if test -d $2 ; then
1666 :
1667 else
1668 echo >config.temp
1669 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1670 fi
1671
1672 # Copy the directory, assuming we have tar.
1673 # FIXME: Should we use B in the second tar? Not all systems support it.
1674 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1675
1676 # It is the responsibility of the user to correctly adjust all
1677 # symlinks. If somebody can figure out how to handle them correctly
1678 # here, feel free to add the code.
1679
1680 echo $1 > $2/COPIED
1681 fi
1682 shift; shift
1683 done
1684
1685 # Determine a target-dependent exec_prefix that the installed
1686 # gcc will search in. Keep this list sorted by triplet, with
1687 # the *-*-osname triplets last.
1688 md_exec_prefix=
1689 case "${target}" in
1690 alpha*-*-*vms*)
1691 md_exec_prefix=/gnu/lib/gcc-lib
1692 ;;
1693 i[34567]86-pc-msdosdjgpp*)
1694 md_exec_prefix=/dev/env/DJDIR/bin
1695 ;;
1696 i[34567]86-*-sco3.2v5*)
1697 if test $with_gnu_as = yes; then
1698 md_exec_prefix=/usr/gnu/bin
1699 else
1700 md_exec_prefix=/usr/ccs/bin/elf
1701 fi
1702 ;;
1703
1704 mn10300-*-* | \
1705 powerpc-*-chorusos* | \
1706 powerpc*-*-eabi* | \
1707 powerpc*-*-sysv* | \
1708 powerpc*-*-kaos* | \
1709 s390x-ibm-tpf*)
1710 md_exec_prefix=/usr/ccs/bin
1711 ;;
1712 sparc64-*-elf*)
1713 ;;
1714 v850*-*-*)
1715 md_exec_prefix=/usr/ccs/bin
1716 ;;
1717 xtensa-*-elf*)
1718 ;;
1719
1720 *-*-beos* | \
1721 *-*-elf* | \
1722 *-*-hpux* | \
1723 *-*-netware* | \
1724 *-*-nto-qnx* | \
1725 *-*-rtems* | \
1726 *-*-solaris2* | \
1727 *-*-sysv[45]* | \
1728 *-*-vxworks* | \
1729 *-wrs-windiss)
1730 md_exec_prefix=/usr/ccs/bin
1731 ;;
1732 esac
1733
1734 extra_arflags_for_target=
1735 extra_nmflags_for_target=
1736 extra_ranlibflags_for_target=
1737 target_makefile_frag=/dev/null
1738 case "${target}" in
1739 mep*-*-*)
1740 target_makefile_frag="config/mt-mep"
1741 ;;
1742 spu-*-*)
1743 target_makefile_frag="config/mt-spu"
1744 ;;
1745 *-*-netware*)
1746 target_makefile_frag="config/mt-netware"
1747 ;;
1748 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
1749 target_makefile_frag="config/mt-gnu"
1750 ;;
1751 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1752 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1753 # commands to handle both 32-bit and 64-bit objects. These flags are
1754 # harmless if we're using GNU nm or ar.
1755 extra_arflags_for_target=" -X32_64"
1756 extra_nmflags_for_target=" -B -X32_64"
1757 ;;
1758 *-*-darwin*)
1759 # ranlib from Darwin requires the -c flag to look at common symbols.
1760 extra_ranlibflags_for_target=" -c"
1761 ;;
1762 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1763 target_makefile_frag="config/mt-wince"
1764 ;;
1765 esac
1766
1767 alphaieee_frag=/dev/null
1768 case $target in
1769 alpha*-*-*)
1770 # This just makes sure to use the -mieee option to build target libs.
1771 # This should probably be set individually by each library.
1772 alphaieee_frag="config/mt-alphaieee"
1773 ;;
1774 esac
1775
1776 # If --enable-target-optspace always use -Os instead of -O2 to build
1777 # the target libraries, similarly if it is not specified, use -Os
1778 # on selected platforms.
1779 ospace_frag=/dev/null
1780 case "${enable_target_optspace}:${target}" in
1781 yes:*)
1782 ospace_frag="config/mt-ospace"
1783 ;;
1784 :d30v-*)
1785 ospace_frag="config/mt-d30v"
1786 ;;
1787 :m32r-* | :d10v-* | :fr30-*)
1788 ospace_frag="config/mt-ospace"
1789 ;;
1790 no:* | :*)
1791 ;;
1792 *)
1793 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1794 ;;
1795 esac
1796
1797 # Default to using --with-stabs for certain targets.
1798 if test x${with_stabs} = x ; then
1799 case "${target}" in
1800 mips*-*-irix[[56]]*)
1801 ;;
1802 mips*-*-* | alpha*-*-osf*)
1803 with_stabs=yes;
1804 extra_host_args="${extra_host_args} --with-stabs"
1805 ;;
1806 esac
1807 fi
1808
1809 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1810 # them automatically.
1811 case "${host}" in
1812 hppa*64*-*-hpux11*)
1813 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1814 ;;
1815 esac
1816
1817 # Some systems (e.g., one of the i386-aix systems the gas testers are
1818 # using) don't handle "\$" correctly, so don't use it here.
1819 tooldir='${exec_prefix}'/${target_noncanonical}
1820 build_tooldir=${tooldir}
1821
1822 # Create a .gdbinit file which runs the one in srcdir
1823 # and tells GDB to look there for source files.
1824
1825 if test -r ${srcdir}/.gdbinit ; then
1826 case ${srcdir} in
1827 .) ;;
1828 *) cat > ./.gdbinit <<EOF
1829 # ${NO_EDIT}
1830 dir ${srcdir}
1831 dir .
1832 source ${srcdir}/.gdbinit
1833 EOF
1834 ;;
1835 esac
1836 fi
1837
1838 # Make sure that the compiler is able to generate an executable. If it
1839 # can't, we are probably in trouble. We don't care whether we can run the
1840 # executable--we might be using a cross compiler--we only care whether it
1841 # can be created. At this point the main configure script has set CC.
1842 we_are_ok=no
1843 echo "int main () { return 0; }" > conftest.c
1844 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1845 if test $? = 0 ; then
1846 if test -s conftest || test -s conftest.exe ; then
1847 we_are_ok=yes
1848 fi
1849 fi
1850 case $we_are_ok in
1851 no)
1852 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1853 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1854 rm -f conftest*
1855 exit 1
1856 ;;
1857 esac
1858 rm -f conftest*
1859
1860 # The Solaris /usr/ucb/cc compiler does not appear to work.
1861 case "${host}" in
1862 sparc-sun-solaris2*)
1863 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1864 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1865 could_use=
1866 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1867 if test -d /opt/cygnus/bin ; then
1868 if test "$could_use" = "" ; then
1869 could_use="/opt/cygnus/bin"
1870 else
1871 could_use="$could_use or /opt/cygnus/bin"
1872 fi
1873 fi
1874 if test "$could_use" = "" ; then
1875 echo "Warning: compilation may fail because you're using"
1876 echo "/usr/ucb/cc. You should change your PATH or CC "
1877 echo "variable and rerun configure."
1878 else
1879 echo "Warning: compilation may fail because you're using"
1880 echo "/usr/ucb/cc, when you should use the C compiler from"
1881 echo "$could_use. You should change your"
1882 echo "PATH or CC variable and rerun configure."
1883 fi
1884 fi
1885 ;;
1886 esac
1887
1888 case "${host}" in
1889 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1890 *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
1891 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1892 esac
1893
1894 # Record target_configdirs and the configure arguments for target and
1895 # build configuration in Makefile.
1896 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1897 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
1898
1899 # Determine whether gdb needs tk/tcl or not.
1900 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1901 # and in that case we want gdb to be built without tk. Ugh!
1902 # In fact I believe gdb is the *only* package directly dependent on tk,
1903 # so we should be able to put the 'maybe's in unconditionally and
1904 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
1905 # 100% sure that that's safe though.
1906
1907 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
1908 case "$enable_gdbtk" in
1909 no)
1910 GDB_TK="" ;;
1911 yes)
1912 GDB_TK="${gdb_tk}" ;;
1913 *)
1914 # Only add the dependency on gdbtk when GDBtk is part of the gdb
1915 # distro. Eventually someone will fix this and move Insight, nee
1916 # gdbtk to a separate directory.
1917 if test -d ${srcdir}/gdb/gdbtk ; then
1918 GDB_TK="${gdb_tk}"
1919 else
1920 GDB_TK=""
1921 fi
1922 ;;
1923 esac
1924 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
1925 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
1926
1927 # Strip out unwanted targets.
1928
1929 # While at that, we remove Makefiles if we were started for recursive
1930 # configuration, so that the top-level Makefile reconfigures them,
1931 # like we used to do when configure itself was recursive.
1932
1933 # Loop over modules. $extrasub must be used with care, limiting as
1934 # much as possible the usage of range addresses. That's because autoconf
1935 # splits the sed script to overcome limits in the number of commands,
1936 # and relying on carefully-timed sed passes may turn out to be very hard
1937 # to maintain later. In this particular case, you just have to be careful
1938 # not to nest @if/@endif pairs, because configure will not warn you at all.
1939
1940 AC_ARG_ENABLE([bootstrap],
1941 [ --enable-bootstrap Enable bootstrapping [yes if native build]],,
1942 enable_bootstrap=default)
1943
1944 # Issue errors and warnings for invalid/strange bootstrap combinations.
1945 case "$configdirs" in
1946 *gcc*) have_compiler=yes ;;
1947 *) have_compiler=no ;;
1948 esac
1949
1950 case "$have_compiler:$host:$target:$enable_bootstrap" in
1951 *:*:*:no) ;;
1952
1953 # Default behavior. Enable bootstrap if we have a compiler
1954 # and we are in a native configuration.
1955 yes:$build:$build:default)
1956 enable_bootstrap=yes ;;
1957
1958 *:*:*:default)
1959 enable_bootstrap=no ;;
1960
1961 # We have a compiler and we are in a native configuration, bootstrap is ok
1962 yes:$build:$build:yes)
1963 ;;
1964
1965 # Other configurations, but we have a compiler. Assume the user knows
1966 # what he's doing.
1967 yes:*:*:yes)
1968 AC_MSG_WARN([trying to bootstrap a cross compiler])
1969 ;;
1970
1971 # No compiler: if they passed --enable-bootstrap explicitly, fail
1972 no:*:*:yes)
1973 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1974
1975 # Fail if wrong command line
1976 *)
1977 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1978 ;;
1979 esac
1980
1981 # Adjust the toplevel makefile according to whether bootstrap was selected.
1982 case "$enable_bootstrap" in
1983 yes)
1984 bootstrap_suffix=bootstrap ;;
1985 no)
1986 bootstrap_suffix=no-bootstrap ;;
1987 esac
1988
1989 for module in ${build_configdirs} ; do
1990 if test -z "${no_recursion}" \
1991 && test -f ${build_subdir}/${module}/Makefile; then
1992 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1993 rm -f ${build_subdir}/${module}/Makefile
1994 fi
1995 extrasub="$extrasub
1996 /^@if build-$module\$/d
1997 /^@endif build-$module\$/d
1998 /^@if build-$module-$bootstrap_suffix\$/d
1999 /^@endif build-$module-$bootstrap_suffix\$/d"
2000 done
2001 for module in ${configdirs} ; do
2002 if test -z "${no_recursion}"; then
2003 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2004 if test -f ${file}; then
2005 echo 1>&2 "*** removing ${file} to force reconfigure"
2006 rm -f ${file}
2007 fi
2008 done
2009 fi
2010 extrasub="$extrasub
2011 /^@if $module\$/d
2012 /^@endif $module\$/d
2013 /^@if $module-$bootstrap_suffix\$/d
2014 /^@endif $module-$bootstrap_suffix\$/d"
2015 done
2016 for module in ${target_configdirs} ; do
2017 if test -z "${no_recursion}" \
2018 && test -f ${target_subdir}/${module}/Makefile; then
2019 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2020 rm -f ${target_subdir}/${module}/Makefile
2021 fi
2022 extrasub="$extrasub
2023 /^@if target-$module\$/d
2024 /^@endif target-$module\$/d
2025 /^@if target-$module-$bootstrap_suffix\$/d
2026 /^@endif target-$module-$bootstrap_suffix\$/d"
2027 done
2028
2029 extrasub="$extrasub
2030 /^@if /,/^@endif /d"
2031
2032 # Create the serialization dependencies. This uses a temporary file.
2033
2034 AC_ARG_ENABLE([serial-configure],
2035 [ --enable-serial-[{host,target,build}-]configure
2036 Force sequential configuration of
2037 sub-packages for the host, target or build
2038 machine, or all sub-packages])
2039
2040 case ${enable_serial_configure} in
2041 yes)
2042 enable_serial_build_configure=yes
2043 enable_serial_host_configure=yes
2044 enable_serial_target_configure=yes
2045 ;;
2046 esac
2047
2048 # These force 'configure's to be done one at a time, to avoid problems
2049 # with contention over a shared config.cache.
2050 rm -f serdep.tmp
2051 echo '# serdep.tmp' > serdep.tmp
2052 olditem=
2053 test "x${enable_serial_build_configure}" = xyes &&
2054 for item in ${build_configdirs} ; do
2055 case ${olditem} in
2056 "") ;;
2057 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2058 esac
2059 olditem=${item}
2060 done
2061 olditem=
2062 test "x${enable_serial_host_configure}" = xyes &&
2063 for item in ${configdirs} ; do
2064 case ${olditem} in
2065 "") ;;
2066 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2067 esac
2068 olditem=${item}
2069 done
2070 olditem=
2071 test "x${enable_serial_target_configure}" = xyes &&
2072 for item in ${target_configdirs} ; do
2073 case ${olditem} in
2074 "") ;;
2075 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2076 esac
2077 olditem=${item}
2078 done
2079 serialization_dependencies=serdep.tmp
2080 AC_SUBST_FILE(serialization_dependencies)
2081
2082 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2083 # target, nonopt, and variable assignments. These are the ones we
2084 # might not want to pass down to subconfigures. Also strip
2085 # program-prefix, program-suffix, and program-transform-name, so that
2086 # we can pass down a consistent program-transform-name.
2087 baseargs=
2088 keep_next=no
2089 skip_next=no
2090 eval "set -- $ac_configure_args"
2091 for ac_arg
2092 do
2093 if test X"$skip_next" = X"yes"; then
2094 skip_next=no
2095 continue
2096 fi
2097 if test X"$keep_next" = X"yes"; then
2098 case $ac_arg in
2099 *\'*)
2100 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2101 esac
2102 baseargs="$baseargs '$ac_arg'"
2103 keep_next=no
2104 continue
2105 fi
2106
2107 # Handle separated arguments. Based on the logic generated by
2108 # autoconf 2.59.
2109 case $ac_arg in
2110 *=* | --config-cache | -C | -disable-* | --disable-* \
2111 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2112 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2113 | -with-* | --with-* | -without-* | --without-* | --x)
2114 separate_arg=no
2115 ;;
2116 -*)
2117 separate_arg=yes
2118 ;;
2119 *)
2120 separate_arg=no
2121 ;;
2122 esac
2123
2124 case "$ac_arg" in
2125 --no*)
2126 continue
2127 ;;
2128 --c* | \
2129 --sr* | \
2130 --ho* | \
2131 --bu* | \
2132 --t* | \
2133 --program-* | \
2134 -cache_file* | \
2135 -srcdir* | \
2136 -host* | \
2137 -build* | \
2138 -target* | \
2139 -program-prefix* | \
2140 -program-suffix* | \
2141 -program-transform-name* )
2142 skip_next=$separate_arg
2143 continue
2144 ;;
2145 -*)
2146 # An option. Add it.
2147 case $ac_arg in
2148 *\'*)
2149 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2150 esac
2151 baseargs="$baseargs '$ac_arg'"
2152 keep_next=$separate_arg
2153 ;;
2154 *)
2155 # Either a variable assignment, or a nonopt (triplet). Don't
2156 # pass it down; let the Makefile handle this.
2157 continue
2158 ;;
2159 esac
2160 done
2161 # Remove the initial space we just introduced and, as these will be
2162 # expanded by make, quote '$'.
2163 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2164
2165 # Add in --program-transform-name, after --program-prefix and
2166 # --program-suffix have been applied to it. Autoconf has already
2167 # doubled dollar signs and backslashes in program_transform_name; we want
2168 # the backslashes un-doubled, and then the entire thing wrapped in single
2169 # quotes, because this will be expanded first by make and then by the shell.
2170 # Also, because we want to override the logic in subdir configure scripts to
2171 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2172 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2173 ${program_transform_name}
2174 EOF_SED
2175 gcc_transform_name=`cat conftestsed.out`
2176 rm -f conftestsed.out
2177 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2178
2179 # For the build-side libraries, we just need to pretend we're native,
2180 # and not use the same cache file. Multilibs are neither needed nor
2181 # desired.
2182 build_configargs="--cache-file=../config.cache ${baseargs}"
2183
2184 # For host modules, accept cache file option, or specification as blank.
2185 case "${cache_file}" in
2186 "") # empty
2187 cache_file_option="" ;;
2188 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2189 cache_file_option="--cache-file=${cache_file}" ;;
2190 *) # relative path
2191 cache_file_option="--cache-file=../${cache_file}" ;;
2192 esac
2193
2194 # Host dirs don't like to share a cache file either, horribly enough.
2195 # This seems to be due to autoconf 2.5x stupidity.
2196 host_configargs="--cache-file=./config.cache ${extra_host_args} ${baseargs}"
2197
2198 target_configargs=${baseargs}
2199
2200 # Passing a --with-cross-host argument lets the target libraries know
2201 # whether they are being built with a cross-compiler or being built
2202 # native. However, it would be better to use other mechanisms to make the
2203 # sorts of decisions they want to make on this basis. Please consider
2204 # this option to be deprecated. FIXME.
2205 if test x${is_cross_compiler} = xyes ; then
2206 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2207 fi
2208
2209 # Default to --enable-multilib.
2210 if test x${enable_multilib} = x ; then
2211 target_configargs="--enable-multilib ${target_configargs}"
2212 fi
2213
2214 # Pass --with-newlib if appropriate. Note that target_configdirs has
2215 # changed from the earlier setting of with_newlib.
2216 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2217 target_configargs="--with-newlib ${target_configargs}"
2218 fi
2219
2220 # Different target subdirs use different values of certain variables
2221 # (notably CXX). Worse, multilibs use *lots* of different values.
2222 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2223 # it doesn't automatically accept command-line overrides of them.
2224 # This means it's not safe for target subdirs to share a cache file,
2225 # which is disgusting, but there you have it. Hopefully this can be
2226 # fixed in future. It's still worthwhile to use a cache file for each
2227 # directory. I think.
2228
2229 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2230 # We need to pass --target, as newer autoconf's requires consistency
2231 # for target_alias and gcc doesn't manage it consistently.
2232 target_configargs="--cache-file=./config.cache ${target_configargs}"
2233
2234 FLAGS_FOR_TARGET=
2235 case " $target_configdirs " in
2236 *" newlib "*)
2237 case " $target_configargs " in
2238 *" --with-newlib "*)
2239 case "$target" in
2240 *-cygwin*)
2241 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/include -isystem $$s/winsup/cygwin/include -isystem $$s/winsup/w32api/include' ;;
2242 esac
2243
2244 # If we're not building GCC, don't discard standard headers.
2245 if test -d ${srcdir}/gcc; then
2246 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2247
2248 if test "${build}" != "${host}"; then
2249 # On Canadian crosses, CC_FOR_TARGET will have already been set
2250 # by `configure', so we won't have an opportunity to add -Bgcc/
2251 # to it. This is right: we don't want to search that directory
2252 # for binaries, but we want the header files in there, so add
2253 # them explicitly.
2254 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include'
2255
2256 # Someone might think of using the pre-installed headers on
2257 # Canadian crosses, in case the installed compiler is not fully
2258 # compatible with the compiler being built. In this case, it
2259 # would be better to flag an error than risking having
2260 # incompatible object files being constructed. We can't
2261 # guarantee that an error will be flagged, but let's hope the
2262 # compiler will do it, when presented with incompatible header
2263 # files.
2264 fi
2265 fi
2266
2267 case "${target}-${is_cross_compiler}" in
2268 i[[3456789]]86-*-linux*-no)
2269 # Here host == target, so we don't need to build gcc,
2270 # so we don't want to discard standard headers.
2271 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2272 ;;
2273 *)
2274 # If we're building newlib, use its generic headers last, but search
2275 # for any libc-related directories first (so make it the last -B
2276 # switch).
2277 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2278 ;;
2279 esac
2280 ;;
2281 esac
2282 ;;
2283 esac
2284 case "$target" in
2285 *-mingw*)
2286 # Can't be handled as Cygwin above since Mingw does not use newlib.
2287 FLAGS_FOR_TARGET=$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' ;;
2288 esac
2289
2290 # Allow the user to override the flags for
2291 # our build compiler if desired.
2292 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2293
2294 # On Canadian crosses, we'll be searching the right directories for
2295 # the previously-installed cross compiler, so don't bother to add
2296 # flags for directories within the install tree of the compiler
2297 # being built; programs in there won't even run.
2298 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2299 # Search for pre-installed headers if nothing else fits.
2300 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2301 fi
2302
2303 if test "x${use_gnu_ld}" = x &&
2304 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2305 # Arrange for us to find uninstalled linker scripts.
2306 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2307 fi
2308
2309 # Search for other target-specific linker scripts and such.
2310 case "${target}" in
2311 m32c-*-* )
2312 if test -d ${srcdir}/libgloss/m32c; then
2313 # This is for crt0.o
2314 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/m32c'
2315 # This is for r8c.ld
2316 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/m32c'
2317 # This is for libnosys.a
2318 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2319 fi
2320 ;;
2321 mep*)
2322 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
2323 ;;
2324 esac
2325
2326 # Makefile fragments.
2327 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2328 do
2329 eval fragval=\$$frag
2330 if test $fragval != /dev/null; then
2331 eval $frag=${srcdir}/$fragval
2332 fi
2333 done
2334 AC_SUBST_FILE(host_makefile_frag)
2335 AC_SUBST_FILE(target_makefile_frag)
2336 AC_SUBST_FILE(alphaieee_frag)
2337 AC_SUBST_FILE(ospace_frag)
2338
2339 # Miscellanea: directories, flags, etc.
2340 AC_SUBST(RPATH_ENVVAR)
2341 AC_SUBST(tooldir)
2342 AC_SUBST(build_tooldir)
2343 AC_SUBST(CONFIGURE_GDB_TK)
2344 AC_SUBST(GDB_TK)
2345 AC_SUBST(INSTALL_GDB_TK)
2346
2347 # Build module lists & subconfigure args.
2348 AC_SUBST(build_configargs)
2349 AC_SUBST(build_configdirs)
2350
2351 # Host module lists & subconfigure args.
2352 AC_SUBST(host_configargs)
2353 AC_SUBST(configdirs)
2354
2355 # Target module lists & subconfigure args.
2356 AC_SUBST(target_configargs)
2357
2358
2359 # Build tools.
2360 AC_SUBST(CC_FOR_BUILD)
2361 AC_SUBST(config_shell)
2362
2363 # Generate default definitions for YACC, M4, LEX and other programs that run
2364 # on the build machine. These are used if the Makefile can't locate these
2365 # programs in objdir.
2366 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
2367
2368 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
2369 case " $build_configdirs " in
2370 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
2371 *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
2372 esac
2373
2374 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
2375 case " $build_configdirs " in
2376 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
2377 esac
2378
2379 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
2380 case " $build_configdirs " in
2381 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
2382 esac
2383
2384 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
2385 case " $build_configdirs " in
2386 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2387 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
2388 esac
2389
2390 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
2391 case " $build_configdirs " in
2392 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2393 esac
2394
2395 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
2396 case " $build_configdirs " in
2397 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
2398 *)
2399 changequote(,)
2400 # For an installed makeinfo, we require it to be from texinfo 4.4 or
2401 # higher, else we use the "missing" dummy.
2402 if ${MAKEINFO} --version \
2403 | egrep 'texinfo[^0-9]*([1-3][0-9]|4\.[4-9]|[5-9])' >/dev/null 2>&1; then
2404 :
2405 else
2406 MAKEINFO="$MISSING makeinfo"
2407 fi
2408 ;;
2409 changequote([,])
2410 esac
2411
2412 # FIXME: expect and dejagnu may become build tools?
2413
2414 AC_CHECK_PROGS(EXPECT, expect, expect)
2415 case " $configdirs " in
2416 *" expect "*)
2417 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
2418 ;;
2419 esac
2420
2421 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
2422 case " $configdirs " in
2423 *" dejagnu "*)
2424 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
2425 ;;
2426 esac
2427
2428
2429 # Host tools.
2430 NCN_STRICT_CHECK_TOOLS(AR, ar)
2431 NCN_STRICT_CHECK_TOOLS(AS, as)
2432 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
2433 NCN_STRICT_CHECK_TOOLS(LD, ld)
2434 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
2435 NCN_STRICT_CHECK_TOOLS(NM, nm)
2436 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, :)
2437 NCN_STRICT_CHECK_TOOLS(STRIP, strip, :)
2438 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
2439 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
2440 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
2441 AC_SUBST(CC)
2442 AC_SUBST(CXX)
2443 AC_SUBST(CFLAGS)
2444 AC_SUBST(CFLAGS_FOR_BUILD)
2445 AC_SUBST(CXXFLAGS)
2446
2447 # Target tools.
2448 AC_ARG_WITH([build-time-tools],
2449 [ --with-build-time-tools=path
2450 use given path to find target tools during the build],
2451 [case x"$withval" in
2452 x/*) ;;
2453 *)
2454 with_build_time_tools=
2455 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
2456 ;;
2457 esac],
2458 [with_build_time_tools=])
2459
2460 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
2461 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
2462 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
2463 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
2464 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
2465
2466 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
2467 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
2468 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
2469 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
2470 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
2471 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
2472 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
2473 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
2474 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
2475 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
2476
2477 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
2478
2479 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
2480 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
2481 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
2482 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
2483 [gcc/g++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `test ! -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags || $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
2484 c++)
2485 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
2486 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
2487 c++)
2488 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
2489 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
2490 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
2491 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
2492 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
2493 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
2494 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
2495 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
2496 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
2497 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
2498 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
2499 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip])
2500 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
2501
2502 AC_SUBST(FLAGS_FOR_TARGET)
2503 AC_SUBST(RAW_CXX_FOR_TARGET)
2504
2505 # Certain tools may need extra flags.
2506 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2507 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2508 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2509
2510 # When building target libraries, except in a Canadian cross, we use
2511 # the same toolchain as the compiler we just built.
2512 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
2513 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
2514 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
2515 if test $host = $build; then
2516 case " $configdirs " in
2517 *" gcc "*)
2518 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
2519 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
2520 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
2521 ;;
2522 esac
2523 fi
2524
2525 AC_SUBST(COMPILER_AS_FOR_TARGET)
2526 AC_SUBST(COMPILER_LD_FOR_TARGET)
2527 AC_SUBST(COMPILER_NM_FOR_TARGET)
2528
2529 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2530 AC_ARG_ENABLE(maintainer-mode,
2531 [ --enable-maintainer-mode enable make rules and dependencies not useful
2532 (and sometimes confusing) to the casual installer],
2533 USE_MAINTAINER_MODE=$enableval,
2534 USE_MAINTAINER_MODE=no)
2535 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2536 AC_SUBST(MAINTAINER_MODE_TRUE)
2537 AC_SUBST(MAINTAINER_MODE_FALSE)
2538 if test "$USE_MAINTAINER_MODE" = yes; then
2539 MAINTAINER_MODE_TRUE=
2540 MAINTAINER_MODE_FALSE='#'
2541 else
2542 MAINTAINER_MODE_TRUE='#'
2543 MAINTAINER_MODE_FALSE=
2544 fi
2545 MAINT=$MAINTAINER_MODE_TRUE
2546 AC_SUBST(MAINT)dnl
2547
2548 # ---------------------
2549 # GCC bootstrap support
2550 # ---------------------
2551
2552 # Stage specific cflags for build.
2553 stage1_cflags="-g"
2554 case $build in
2555 vax-*-*)
2556 case ${GCC} in
2557 yes) stage1_cflags="-g -Wa,-J" ;;
2558 *) stage1_cflags="-g -J" ;;
2559 esac ;;
2560 esac
2561
2562 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
2563 if test "$GCC" = yes; then
2564 saved_CFLAGS="$CFLAGS"
2565
2566 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
2567 CFLAGS="$CFLAGS -fkeep-inline-functions"
2568 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
2569 AC_TRY_COMPILE([
2570 #if (__GNUC__ < 3) \
2571 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
2572 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
2573 #error http://gcc.gnu.org/PR29382
2574 #endif
2575 ],,
2576 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
2577 [AC_MSG_RESULT([no])])
2578
2579 CFLAGS="$saved_CFLAGS"
2580 fi
2581
2582 AC_SUBST(stage1_cflags)
2583
2584 # Enable --enable-checking in stage1 of the compiler.
2585 AC_ARG_ENABLE(stage1-checking,
2586 [ --enable-stage1-checking[=all] choose additional checking for stage1
2587 of the compiler.],
2588 [stage1_checking=--enable-checking=${enable_stage1_checking}],
2589 [if test "x$enable_checking" = xno; then
2590 stage1_checking=--enable-checking
2591 else
2592 stage1_checking=--enable-checking${enable_checking+=}$enable_checking
2593 fi])
2594 AC_SUBST(stage1_checking)
2595
2596 # Enable -Werror in bootstrap stage2 and later.
2597 AC_ARG_ENABLE(werror,
2598 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
2599 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
2600 enable_werror=yes
2601 else
2602 enable_werror=no
2603 fi])
2604 case ${enable_werror} in
2605 yes) stage2_werror_flag="--enable-werror-always" ;;
2606 *) stage2_werror_flag="" ;;
2607 esac
2608 AC_SUBST(stage2_werror_flag)
2609
2610 # Flags needed to enable html installing and building
2611 AC_ARG_WITH(datarootdir,
2612 [ --with-datarootdir Use datarootdir as the data root directory.],
2613 [datarootdir="\${prefix}/${withval}"],
2614 [datarootdir="\${prefix}/share"])
2615
2616 AC_ARG_WITH(docdir,
2617 [ --with-docdir Install documentation in this directory.],
2618 [docdir="\${prefix}/${withval}"],
2619 [docdir="\${datarootdir}/doc"])
2620
2621 AC_ARG_WITH(pdfdir,
2622 [ --with-pdfdir Install pdf in this directory.],
2623 [pdfdir="\${prefix}/${withval}"],
2624 [pdfdir="\${docdir}"])
2625
2626 AC_ARG_WITH(htmldir,
2627 [ --with-htmldir Install html in this directory.],
2628 [htmldir="\${prefix}/${withval}"],
2629 [htmldir="\${docdir}"])
2630
2631 AC_SUBST(datarootdir)
2632 AC_SUBST(docdir)
2633 AC_SUBST(pdfdir)
2634 AC_SUBST(htmldir)
2635
2636 AC_OUTPUT(Makefile)