| blob | bbc0e027b7765b3cfe10cd5b73e27760119d92c0 |
1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998,
2 # 1999, 2000, 2001, 2002, 2003 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18 ##############################################################################
19 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
21 AC_INIT(move-if-change)
22 AC_PREREQ(2.13)
23 AC_CANONICAL_SYSTEM
24 AC_ARG_PROGRAM
26 sinclude(config/acx.m4)
28 ### we might need to use some other shell than /bin/sh for running subshells
29 ### If we are on Windows, search for the shell. This will permit people
30 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
31 ### without also having to set CONFIG_SHELL. This code will work when
32 ### using bash, which sets OSTYPE.
33 case "${OSTYPE}" in
34 *win32*)
35 if test x${CONFIG_SHELL} = x ; then
36 if test ! -f /bin/sh ; then
37 if test x${SHELL} != x && test -f ${SHELL} ; then
38 CONFIG_SHELL=${SHELL}
39 export CONFIG_SHELL
40 else
41 for prog in sh sh.exe bash bash.exe; do
42 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
43 for dir in $PATH; do
44 test -z "$dir" && dir=.
45 if test -f $dir/$prog; then
46 CONFIG_SHELL=$dir/$prog
47 export CONFIG_SHELL
48 break
49 fi
50 done
51 IFS="$save_ifs"
52 test -n "${CONFIG_SHELL}" && break
53 done
54 fi
55 fi
56 fi
57 ;;
58 esac
60 config_shell=${CONFIG_SHELL-/bin/sh}
62 progname=$0
63 # if PWD already has a value, it is probably wrong.
64 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
66 # Export original configure arguments for use by sub-configures.
67 TOPLEVEL_CONFIGURE_ARGUMENTS="$progname $@"
68 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
70 moveifchange=${srcdir}/move-if-change
72 # Set srcdir to "." if that's what it is.
73 # This is important for multilib support.
74 pwd=`${PWDCMD-pwd}`
75 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
76 if test "${pwd}" = "${srcpwd}" ; then
77 srcdir=.
78 fi
80 topsrcdir=$srcpwd
82 extra_host_args=
83 # Define the trigger file to make sure configure will re-run whenever
84 # the gcc version number changes.
85 if test "${with_gcc_version_trigger+set}" = set ; then
86 gcc_version_trigger="$with_gcc_version_trigger"
87 gcc_version=`grep version_string ${with_gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
88 else
89 # If gcc's sources are available, define the trigger file.
90 if test -f ${topsrcdir}/gcc/version.c ; then
91 gcc_version_trigger=${topsrcdir}/gcc/version.c
92 gcc_version=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
93 case "$ac_configure_args" in
94 *--with-gcc-version-trigger=$gcc_version_trigger* )
95 ;;
96 * )
97 # Add to all subconfigure arguments: build, host, and target.
98 ac_configure_args="$ac_configure_args --with-gcc-version-trigger=$gcc_version_trigger"
99 ;;
100 esac
101 fi
102 fi
104 ### To add a new directory to the tree, first choose whether it is a target
105 ### or a host dependent tool. Then put it into the appropriate list
106 ### (library or tools, host or target), doing a dependency sort.
108 # Subdirs will be configured in the order listed in build_configdirs,
109 # configdirs, or target_configdirs; see the serialization section below.
111 # Dependency sorting is only needed when *configuration* must be done in
112 # a particular order. In all cases a dependency should be specified in
113 # the Makefile, whether or not it's implicitly specified here.
115 # Double entries in build_configdirs, configdirs, or target_configdirs may
116 # cause circular dependencies and break everything horribly.
118 # these libraries are used by various programs built for the host environment
119 #
120 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl tix libgui zlib"
122 # these tools are built for the host environment
123 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
124 # know that we are building the simulator.
125 # binutils, gas and ld appear in that order because it makes sense to run
126 # "make check" in that particular order.
127 host_tools="texinfo byacc flex bison binutils gas ld 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"
129 # libgcj represents the runtime libraries only used by gcj.
130 libgcj="target-libffi \
131 target-boehm-gc \
132 target-zlib \
133 target-qthreads \
134 target-libjava"
136 # these libraries are built for the target environment, and are built after
137 # the host libraries and the host tools (which may be a cross compiler)
138 #
139 target_libs="target-libiberty \
140 target-libgloss \
141 target-newlib \
142 target-libstdc++-v3 \
143 target-libf2c \
144 ${libgcj} \
145 target-libobjc"
147 # these tools are built using the target libs, and are intended to run only
148 # in the target environment
149 #
150 # note: any program that *uses* libraries that are in the "target_libs"
151 # list belongs in this list. those programs are also very likely
152 # candidates for the "native_only" list which follows
153 #
154 target_tools="target-examples target-groff target-gperf target-rda"
156 ################################################################################
158 ## All tools belong in one of the four categories, and are assigned above
159 ## We assign ${configdirs} this way to remove all embedded newlines. This
160 ## is important because configure will choke if they ever get through.
161 ## ${configdirs} is directories we build using the host tools.
162 ## ${target_configdirs} is directories we build using the target tools.
163 #
164 configdirs=`echo ${host_libs} ${host_tools}`
165 target_configdirs=`echo ${target_libs} ${target_tools}`
167 # Only make build modules if build != host.
168 # This should be done more generally, but at the moment it doesn't matter.
169 if test ${host_alias} != ${build_alias} ; then
170 # This is the only build module.
171 build_modules=libiberty
172 else
173 build_modules=
174 fi
177 ################################################################################
179 srcname="gnu development package"
181 # This gets set non-empty for some net releases of packages.
182 appdirs=""
184 # Define is_cross_compiler to save on calls to 'test'.
185 is_cross_compiler=
186 if test x"${host}" = x"${target}" ; then
187 is_cross_compiler=no
188 else
189 is_cross_compiler=yes
190 fi
192 # Find the build and target subdirs.
193 GCC_TOPLEV_SUBDIRS
195 if test ! -d ${target_subdir} ; then
196 if mkdir ${target_subdir} ; then true
197 else
198 echo "'*** could not make ${PWD=`${PWDCMD-pwd}`}/${target_subdir}" 1>&2
199 exit 1
200 fi
201 fi
203 if test x"${build_alias}" != x"${host}" ; then
204 if test ! -d ${build_subdir} ; then
205 if mkdir ${build_subdir} ; then true
206 else
207 echo "'*** could not make ${PWD=`${PWDCMD-pwd}`}/${build_subdir}" 1>&2
208 exit 1
209 fi
210 fi
211 fi
213 # Skipdirs are removed silently.
214 skipdirs=
215 # Noconfigdirs are removed loudly.
216 noconfigdirs=""
218 use_gnu_ld=
219 # Make sure we don't let GNU ld be added if we didn't want it.
220 if test x$with_gnu_ld = xno ; then
221 use_gnu_ld=no
222 noconfigdirs="$noconfigdirs ld"
223 fi
225 use_gnu_as=
226 # Make sure we don't let GNU as be added if we didn't want it.
227 if test x$with_gnu_as = xno ; then
228 use_gnu_as=no
229 noconfigdirs="$noconfigdirs gas"
230 fi
232 # some tools are so dependent upon X11 that if we're not building with X,
233 # it's not even worth trying to configure, much less build, that tool.
235 case ${with_x} in
236 yes | "") ;; # the default value for this tree is that X11 is available
237 no)
238 skipdirs="${skipdirs} tk tix itcl libgui"
239 # We won't be able to build gdbtk without X.
240 enable_gdbtk=no
241 ;;
242 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
243 esac
245 # Some tools are only suitable for building in a "native" situation.
246 # Remove these if host!=target.
247 native_only="autoconf automake libtool fileutils find gawk gettext gzip hello indent m4 rcs recode sed shellutils tar textutils uudecode wdiff gprof target-groff guile perl time ash bash bzip2 prms gnuserv target-gperf"
249 # Similarly, some are only suitable for cross toolchains.
250 # Remove these if host=target.
251 cross_only="target-libgloss target-newlib target-opcodes"
253 case $is_cross_compiler in
254 no) skipdirs="${skipdirs} ${cross_only}" ;;
255 yes) skipdirs="${skipdirs} ${native_only}" ;;
256 esac
258 # If both --with-headers and --with-libs are specified, default to
259 # --without-newlib.
260 if test x"${with_headers}" != x && test x"${with_libs}" != x ; then
261 if test x"${with_newlib}" = x ; then
262 with_newlib=no
263 fi
264 fi
266 # Recognize --with-newlib/--without-newlib.
267 case ${with_newlib} in
268 no) skipdirs="${skipdirs} target-newlib" ;;
269 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
270 esac
272 # Configure extra directories which are host specific
274 case "${host}" in
275 *-cygwin*)
276 configdirs="$configdirs libtermcap" ;;
277 esac
279 # Remove more programs from consideration, based on the host or
280 # target this usually means that a port of the program doesn't
281 # exist yet.
283 case "${host}" in
284 hppa*64*-*-*)
285 noconfigdirs="$noconfigdirs byacc"
286 ;;
287 i[[3456789]]86-*-vsta)
288 noconfigdirs="tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl tix gnuserv gettext"
289 ;;
290 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
291 noconfigdirs="tcl tk expect dejagnu send-pr uudecode guile itcl tix gnuserv libffi"
292 ;;
293 i[[3456789]]86-*-mingw32*)
294 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl tix gnuserv"
295 noconfigdirs="expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
296 ;;
297 i[[3456789]]86-*-beos*)
298 noconfigdirs="$noconfigdirs tk itcl tix libgui gdb"
299 ;;
300 *-*-cygwin*)
301 noconfigdirs="autoconf automake send-pr rcs guile perl"
302 ;;
303 *-*-netbsd*)
304 noconfigdirs="rcs"
305 ;;
306 ppc*-*-pe)
307 noconfigdirs="patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl tix gnuserv"
308 ;;
309 powerpc-*-beos*)
310 noconfigdirs="$noconfigdirs tk itcl tix libgui gdb dejagnu readline"
311 ;;
312 *-*-darwin*)
313 noconfigdirs="$noconfigdirs tk itcl tix libgui"
314 ;;
315 esac
317 # Save it here so that, even in case of --enable-libgcj, if the Java
318 # front-end isn't enabled, we still get libgcj disabled.
319 libgcj_saved=$libgcj
320 case $enable_libgcj in
321 yes)
322 # If we reset it here, it won't get added to noconfigdirs in the
323 # target-specific build rules, so it will be forcibly enabled
324 # (unless the Java language itself isn't enabled).
325 libgcj=
326 ;;
327 no)
328 # Make sure we get it printed in the list of not supported target libs.
329 noconfigdirs="$noconfigdirs ${libgcj}"
330 ;;
331 esac
333 case "${target}" in
334 *-*-chorusos)
335 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
336 ;;
337 *-*-darwin*)
338 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
339 noconfigdirs="$noconfigdirs target-libobjc ${libgcj}"
340 ;;
341 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
342 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
343 ;;
344 *-*-kaos*)
345 # Remove unsupported stuff on all kaOS configurations.
346 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-libf2c target-librx"
347 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
348 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
349 noconfigdirs="$noconfigdirs target-libgloss"
350 ;;
351 *-*-netbsd*)
352 # Skip some stuff on all NetBSD configurations.
353 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
355 # Skip some stuff that's unsupported on some NetBSD configurations.
356 case "${target}" in
357 i*86-*-netbsdelf*) ;;
358 arm*-*-netbsdelf*) ;;
359 *)
360 noconfigdirs="$noconfigdirs ${libgcj}"
361 ;;
362 esac
363 ;;
364 *-*-netware)
365 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-newlib target-libiberty target-libgloss ${libgcj}"
366 ;;
367 *-*-rtems*)
368 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
369 case ${target} in
370 h8300*-*-* | h8500-*-*)
371 noconfigdirs="$noconfigdirs target-libf2c"
372 ;;
373 *) ;;
374 esac
375 ;;
376 *-*-vxworks*)
377 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
378 ;;
379 alpha*-dec-osf*)
380 # ld works, but does not support shared libraries.
381 # newlib is not 64 bit ready. I'm not sure about fileutils.
382 # gas doesn't generate exception information.
383 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
384 ;;
385 alpha*-*-*vms*)
386 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
387 ;;
388 alpha*-*-linux*)
389 # newlib is not 64 bit ready
390 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
391 ;;
392 alpha*-*-freebsd*)
393 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
394 ;;
395 alpha*-*-*)
396 # newlib is not 64 bit ready
397 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
398 ;;
399 sh-*-linux*)
400 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
401 ;;
402 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
403 noconfigdirs="$noconfigdirs ${libgcj}"
404 noconfigdirs="$noconfigdirs target-examples"
405 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
406 noconfigdirs="$noconfigdirs tcl tix tk itcl libgui sim"
407 noconfigdirs="$noconfigdirs expect dejagnu"
408 # the C++ libraries don't build on top of CE's C libraries
409 noconfigdirs="$noconfigdirs target-libstdc++-v3"
410 noconfigdirs="$noconfigdirs target-newlib"
411 case "${host}" in
412 *-*-cygwin*) ;; # keep gdb and readline
413 *) noconfigdirs="$noconfigdirs gdb readline"
414 ;;
415 esac
416 ;;
417 arc-*-*)
418 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
419 ;;
420 arm-*-coff | strongarm-*-coff | xscale-*-coff)
421 noconfigdirs="$noconfigdirs ${libgcj}"
422 ;;
423 arm-*-elf* | strongarm-*-elf* | xscale-*-elf*)
424 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
425 ;;
426 arm-*-pe*)
427 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
428 ;;
429 arm-*-oabi*)
430 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
431 ;;
432 thumb-*-coff)
433 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
434 ;;
435 thumb-*-elf)
436 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
437 ;;
438 thumb-*-oabi)
439 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
440 ;;
441 thumb-*-pe)
442 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
443 ;;
444 arm-*-riscix*)
445 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
446 ;;
447 avr-*-*)
448 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
449 ;;
450 c4x-*-* | tic4x-*-*)
451 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
452 ;;
453 c54x*-*-* | tic54x-*-*)
454 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
455 ;;
456 cris-*-*)
457 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
458 ;;
459 d10v-*-*)
460 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
461 ;;
462 d30v-*-*)
463 noconfigdirs="$noconfigdirs ${libgcj} gdb"
464 ;;
465 fr30-*-elf*)
466 noconfigdirs="$noconfigdirs ${libgcj} gdb"
467 ;;
468 frv-*-*)
469 noconfigdirs="$noconfigdirs ${libgcj}"
470 ;;
471 h8300*-*-*)
472 noconfigdirs="$noconfigdirs target-libgloss ${libgcj} target-libf2c"
473 ;;
474 h8500-*-*)
475 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} target-libf2c"
476 ;;
477 hppa*64*-*-linux* | parisc*64*-*-linux*)
478 # In this case, it's because the hppa64-linux target is for
479 # the kernel only at this point and has no libc, and thus no
480 # headers, crt*.o, etc., all of which are needed by these.
481 noconfigdirs="$noconfigdirs target-zlib"
482 ;;
483 hppa*-*-*elf* | \
484 parisc*-*-linux* | hppa*-*-linux* | \
485 hppa*-*-lites* | \
486 hppa*-*-openbsd* | \
487 hppa*64*-*-*)
488 noconfigdirs="$noconfigdirs ${libgcj}"
489 # Do configure ld/binutils/gas for this case.
490 ;;
491 hppa*-*-*)
492 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
493 # build on HP-UX 10.20.
494 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
495 ;;
496 i960-*-*)
497 noconfigdirs="$noconfigdirs ${libgcj} gdb"
498 ;;
499 ia64*-*-elf*)
500 # No gdb support yet.
501 noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb"
502 ;;
503 ia64*-**-hpux*)
504 # No gdb or ld support yet.
505 noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb ld"
506 ;;
507 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
508 noconfigdirs="$noconfigdirs ${libgcj}"
509 ;;
510 i[[3456789]]86-*-freebsd*)
511 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
512 ;;
513 i[[3456789]]86-*-linux*)
514 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
515 # not build java stuff by default.
516 case "${target}" in
517 *-*-*libc1*)
518 noconfigdirs="$noconfigdirs ${libgcj}";;
519 esac
521 # This section makes it possible to build newlib natively on linux.
522 # If we are using a cross compiler then don't configure newlib.
523 if test x${is_cross_compiler} != xno ; then
524 noconfigdirs="$noconfigdirs target-newlib"
525 fi
526 noconfigdirs="$noconfigdirs target-libgloss"
527 # If we are not using a cross compiler, do configure newlib.
528 # Note however, that newlib will only be configured in this situation
529 # if the --with-newlib option has been given, because otherwise
530 # 'target-newlib' will appear in skipdirs.
531 ;;
532 i[[3456789]]86-*-mingw32*)
533 target_configdirs="$target_configdirs target-mingw"
534 noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
536 # Can't build gdb for mingw32 if not native.
537 case "${host}" in
538 i[[3456789]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
539 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix gnuserv"
540 ;;
541 esac
542 ;;
543 *-*-cygwin*)
544 target_configdirs="$target_configdirs target-libtermcap target-winsup"
545 noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
546 # always build newlib.
547 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
549 # Can't build gdb for Cygwin if not native.
550 case "${host}" in
551 *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
552 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix libgui gnuserv"
553 ;;
554 esac
555 ;;
556 i[[3456789]]86-*-pe)
557 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
558 ;;
559 i[[3456789]]86-*-sco3.2v5*)
560 # The linker does not yet know about weak symbols in COFF,
561 # and is not configured to handle mixed ELF and COFF.
562 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
563 ;;
564 i[[3456789]]86-*-sco*)
565 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
566 ;;
567 i[[3456789]]86-*-solaris2*)
568 noconfigdirs="$noconfigdirs target-libgloss"
569 ;;
570 i[[3456789]]86-*-sysv4*)
571 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
572 ;;
573 i[[3456789]]86-*-beos*)
574 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
575 ;;
576 m32r-*-*)
577 noconfigdirs="$noconfigdirs ${libgcj} gdb"
578 ;;
579 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
580 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
581 ;;
582 m68k-*-elf*)
583 noconfigdirs="$noconfigdirs ${libgcj}"
584 ;;
585 m68k-*-coff*)
586 noconfigdirs="$noconfigdirs ${libgcj}"
587 ;;
588 mcore-*-pe*)
589 # The EPOC C++ environment does not support exceptions or rtti,
590 # and so building libstdc++-v3 tends not to always work.
591 noconfigdirs="$noconfigdirs target-libstdc++-v3"
592 ;;
593 mmix-*-*)
594 noconfigdirs="$noconfigdirs ${libgcj} gdb libgloss"
595 ;;
596 mn10200-*-*)
597 noconfigdirs="$noconfigdirs ${libgcj}"
598 ;;
599 mn10300-*-*)
600 noconfigdirs="$noconfigdirs ${libgcj}"
601 ;;
602 powerpc-*-aix*)
603 # copied from rs6000-*-* entry
604 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
605 ;;
606 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
607 target_configdirs="$target_configdirs target-winsup"
608 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl tix gnuserv ${libgcj}"
609 # always build newlib.
610 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
611 ;;
612 # This is temporary until we can link against shared libraries
613 powerpcle-*-solaris*)
614 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl tix gnuserv ${libgcj}"
615 ;;
616 powerpc-*-beos*)
617 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
618 ;;
619 powerpc-*-eabi)
620 noconfigdirs="$noconfigdirs ${libgcj}"
621 ;;
622 rs6000-*-lynxos*)
623 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
624 ;;
625 rs6000-*-aix*)
626 noconfigdirs="$noconfigdirs gprof ${libgcj}"
627 ;;
628 rs6000-*-*)
629 noconfigdirs="$noconfigdirs gprof ${libgcj}"
630 ;;
631 m68k-apollo-*)
632 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
633 ;;
634 mips*-*-irix5*)
635 # The GNU linker does not support shared libraries.
636 noconfigdirs="$noconfigdirs ld gprof target-libgloss ${libgcj}"
637 ;;
638 mips*-*-irix6*)
639 # Linking libjava exceeds command-line length limits on at least
640 # IRIX 6.2, but not on IRIX 6.5.
641 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
642 # <oldham@codesourcery.com>
643 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
644 ;;
645 mips*-dec-bsd*)
646 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
647 ;;
648 mips*-*-bsd*)
649 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
650 ;;
651 mipstx39-*-*)
652 noconfigdirs="$noconfigdirs gprof ${libgcj}" # same as generic mips
653 ;;
654 mips*-*-linux*)
655 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
656 ;;
657 mips*-*-*)
658 noconfigdirs="$noconfigdirs gprof ${libgcj}"
659 ;;
660 romp-*-*)
661 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
662 ;;
663 sh-*-*)
664 case "${host}" in
665 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
666 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
667 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
668 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
669 esac
670 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
671 ;;
672 sh64-*-*)
673 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
674 ;;
675 sparc-*-elf*)
676 noconfigdirs="$noconfigdirs ${libgcj}"
677 ;;
678 sparc64-*-elf*)
679 noconfigdirs="$noconfigdirs ${libgcj}"
680 ;;
681 sparclite-*-*)
682 noconfigdirs="$noconfigdirs ${libgcj}"
683 ;;
684 sparc-*-sunos4*)
685 noconfigdirs="$noconfigdirs ${libgcj}"
686 if test x${is_cross_compiler} != xno ; then
687 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
688 else
689 use_gnu_ld=no
690 fi
691 ;;
692 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
693 ;;
694 v810-*-*)
695 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
696 ;;
697 v850-*-*)
698 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
699 ;;
700 v850e-*-*)
701 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
702 ;;
703 v850ea-*-*)
704 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
705 ;;
706 vax-*-vms)
707 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
708 ;;
709 vax-*-*)
710 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
711 ;;
712 ip2k-*-*)
713 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
714 ;;
715 *-*-linux*)
716 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
717 ;;
718 *-*-lynxos*)
719 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
720 ;;
721 *-*-*)
722 noconfigdirs="$noconfigdirs ${libgcj}"
723 ;;
724 esac
726 # If we aren't building newlib, then don't build libgloss, since libgloss
727 # depends upon some newlib header files.
728 case "${noconfigdirs}" in
729 *target-libgloss*) ;;
730 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
731 esac
733 # Figure out what language subdirectories are present.
734 # Look if the user specified --enable-languages="..."; if not, use
735 # the environment variable $LANGUAGES if defined. $LANGUAGES might
736 # go away some day.
737 # NB: embedded tabs in this IF block -- do not untabify
738 if test x"${enable_languages+set}" != xset; then
739 if test x"${LANGUAGES+set}" = xset; then
740 enable_languages="${LANGUAGES}"
741 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
742 else
743 enable_languages=all
744 fi
745 else
746 if test x"${enable_languages}" = x ||
747 test x"${enable_languages}" = xyes;
748 then
749 echo configure.in: --enable-languages needs at least one language argument 1>&2
750 exit 1
751 fi
752 fi
753 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
755 # First scan to see if an enabled language requires some other language.
756 # We assume that a given config-lang.in will list all the language
757 # front ends it requires, even if some are required indirectly.
758 for lang in ${srcdir}/gcc/*/config-lang.in ..
759 do
760 case $lang in
761 ..) ;;
762 # The odd quoting in the next line works around
763 # an apparent bug in bash 1.12 on linux.
764 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
765 *)
766 lang_alias=`sed -n -e 's,^language=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^language=\([[^ ]]*\).*$,\1,p' $lang`
767 this_lang_requires=`sed -n -e 's,^lang_requires=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^lang_requires=\([[^ ]]*\).*$,\1,p' $lang`
768 for other in $this_lang_requires
769 do
770 case ,${enable_languages}, in
771 *,$other,*) ;;
772 *,all,*) ;;
773 *,$lang_alias,*)
774 echo " \`$other' language required by \`$lang_alias'; enabling" 1>&2
775 enable_languages="$enable_languages,$other"
776 ;;
777 esac
778 done
779 ;;
780 esac
781 done
783 subdirs=
784 for lang in ${srcdir}/gcc/*/config-lang.in ..
785 do
786 case $lang in
787 ..) ;;
788 # The odd quoting in the next line works around
789 # an apparent bug in bash 1.12 on linux.
790 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
791 *)
792 lang_alias=`sed -n -e 's,^language=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^language=\([[^ ]]*\).*$,\1,p' $lang`
793 this_lang_libs=`sed -n -e 's,^target_libs=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^target_libs=\([[^ ]]*\).*$,\1,p' $lang`
794 this_lang_dirs=`sed -n -e 's,^lang_dirs=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^lang_dirs=\([[^ ]]*\).*$,\1,p' $lang`
795 build_by_default=`sed -n -e 's,^build_by_default=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^build_by_default=\([[^ ]]*\).*$,\1,p' $lang`
796 if test "x$lang_alias" = x
797 then
798 echo "$lang doesn't set \$language." 1>&2
799 exit 1
800 fi
801 case ${build_by_default},${enable_languages}, in
802 *,$lang_alias,*) add_this_lang=yes ;;
803 no,*) add_this_lang=no ;;
804 *,all,*) add_this_lang=yes ;;
805 *) add_this_lang=no ;;
806 esac
807 if test x"${add_this_lang}" = xyes; then
808 eval target_libs='"$target_libs "'\"$this_lang_libs\"
809 else
810 eval noconfigdirs='"$noconfigdirs "'\"$this_lang_libs $this_lang_dirs\"
811 fi
812 ;;
813 esac
814 done
816 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
817 # $target_configdirs.
818 # If we have the source for $noconfigdirs entries, add them to $notsupp.
820 notsupp=""
821 for dir in . $skipdirs $noconfigdirs ; do
822 dirname=`echo $dir | sed -e s/target-//g`
823 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
824 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
825 if test -r $srcdir/$dirname/configure ; then
826 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
827 true
828 else
829 notsupp="$notsupp $dir"
830 fi
831 fi
832 fi
833 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
834 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
835 if test -r $srcdir/$dirname/configure ; then
836 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
837 true
838 else
839 notsupp="$notsupp $dir"
840 fi
841 fi
842 fi
843 done
845 # Sometimes the tools are distributed with libiberty but with no other
846 # libraries. In that case, we don't want to build target-libiberty.
847 if test -n "${target_configdirs}" ; then
848 others=
849 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
850 if test "$i" != "libiberty" ; then
851 if test -r $srcdir/$i/configure ; then
852 others=yes;
853 break;
854 fi
855 fi
856 done
857 if test -z "${others}" ; then
858 target_configdirs=
859 fi
860 fi
862 # Quietly strip out all directories which aren't configurable in this tree.
863 # This relies on all configurable subdirectories being autoconfiscated, which
864 # is now the case.
865 configdirs_all="$configdirs"
866 configdirs=
867 for i in ${configdirs_all} ; do
868 if test -f ${srcdir}/$i/configure ; then
869 configdirs="${configdirs} $i"
870 fi
871 done
872 target_configdirs_all="$target_configdirs"
873 target_configdirs=
874 for i in ${target_configdirs_all} ; do
875 j=`echo $i | sed -e s/target-//g`
876 if test -f ${srcdir}/$j/configure ; then
877 target_configdirs="${target_configdirs} $i"
878 fi
879 done
881 # Produce a warning message for the subdirs we can't configure.
882 # This isn't especially interesting in the Cygnus tree, but in the individual
883 # FSF releases, it's important to let people know when their machine isn't
884 # supported by the one or two programs in a package.
886 if test -n "${notsupp}" && test -z "${norecursion}" ; then
887 # If $appdirs is non-empty, at least one of those directories must still
888 # be configured, or we error out. (E.g., if the gas release supports a
889 # specified target in some subdirs but not the gas subdir, we shouldn't
890 # pretend that all is well.)
891 if test -n "$appdirs" ; then
892 for dir in $appdirs ; do
893 if test -r $dir/Makefile.in ; then
894 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
895 appdirs=""
896 break
897 fi
898 if echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
899 appdirs=""
900 break
901 fi
902 fi
903 done
904 if test -n "$appdirs" ; then
905 echo "*** This configuration is not supported by this package." 1>&2
906 exit 1
907 fi
908 fi
909 # Okay, some application will build, or we don't care to check. Still
910 # notify of subdirs not getting built.
911 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
912 echo " ${notsupp}" 1>&2
913 echo " (Any other directories should still work fine.)" 1>&2
914 fi
916 case "$host" in
917 *msdosdjgpp*)
918 enable_gdbtk=no ;;
919 esac
921 copy_dirs=
923 # Handle --with-headers=XXX. If the value is not "yes", the contents of
924 # the named directory are copied to $(tooldir)/sys-include.
925 if test x"${with_headers}" != x ; then
926 if test x${is_cross_compiler} = xno ; then
927 echo 1>&2 '***' --with-headers is only supported when cross compiling
928 exit 1
929 fi
930 if test x"${with_headers}" != xyes ; then
931 case "${exec_prefixoption}" in
932 "") x=${prefix} ;;
933 *) x=${exec_prefix} ;;
934 esac
935 copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
936 fi
937 fi
939 # Handle --with-libs=XXX. If the value is not "yes", the contents of
940 # the name directories are copied to $(tooldir)/lib. Multiple directories
941 # are permitted.
942 if test x"${with_libs}" != x ; then
943 if test x${is_cross_compiler} = xno ; then
944 echo 1>&2 '***' --with-libs is only supported when cross compiling
945 exit 1
946 fi
947 if test x"${with_libs}" != xyes ; then
948 # Copy the libraries in reverse order, so that files in the first named
949 # library override files in subsequent libraries.
950 case "${exec_prefixoption}" in
951 "") x=${prefix} ;;
952 *) x=${exec_prefix} ;;
953 esac
954 for l in ${with_libs}; do
955 copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
956 done
957 fi
958 fi
960 # Handle ${copy_dirs}
961 set fnord ${copy_dirs}
962 shift
963 while test $# != 0 ; do
964 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
965 :
966 else
967 echo Copying $1 to $2
969 # Use the install script to create the directory and all required
970 # parent directories.
971 if test -d $2 ; then
972 :
973 else
974 echo >config.temp
975 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
976 fi
978 # Copy the directory, assuming we have tar.
979 # FIXME: Should we use B in the second tar? Not all systems support it.
980 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
982 # It is the responsibility of the user to correctly adjust all
983 # symlinks. If somebody can figure out how to handle them correctly
984 # here, feel free to add the code.
986 echo $1 > $2/COPIED
987 fi
988 shift; shift
989 done
991 # Work in distributions that contain no compiler tools, like Autoconf.
992 tentative_cc=""
993 host_makefile_frag=/dev/null
994 if test -d ${srcdir}/config ; then
995 case "${host}" in
996 m68k-hp-hpux*)
997 # Avoid "too much defining" errors from HPUX compiler.
998 tentative_cc="cc -Wp,-H256000"
999 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
1000 # If it's HP/UX ar, this should be harmless.
1001 RANLIB="ar ts"
1002 ;;
1003 m68k-apollo-sysv*)
1004 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
1005 ;;
1006 m68k-apollo-bsd*)
1007 #None of the Apollo compilers can compile gas or binutils. The preprocessor
1008 # chokes on bfd, the compiler won't let you assign integers to enums, and
1009 # other problems. Defining CC to gcc is a questionable way to say "don't use
1010 # the apollo compiler" (the preferred version of GCC could be called cc,
1011 # or whatever), but I'm not sure leaving CC as cc is any better...
1012 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
1013 # Used to have BISON=yacc.
1014 tentative_cc=gcc
1015 ;;
1016 m88k-dg-dgux*)
1017 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1018 ;;
1019 m88k-harris-cxux*)
1020 # Under CX/UX, we want to tell the compiler to use ANSI mode.
1021 tentative_cc="cc -Xa"
1022 host_makefile_frag="config/mh-cxux"
1023 ;;
1024 m88k-motorola-sysv*)
1025 ;;
1026 mips*-dec-ultrix*)
1027 tentative_cc="cc -Wf,-XNg1000"
1028 host_makefile_frag="config/mh-decstation"
1029 ;;
1030 mips*-nec-sysv4*)
1031 # The C compiler on NEC MIPS SVR4 needs bigger tables.
1032 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
1033 host_makefile_frag="config/mh-necv4"
1034 ;;
1035 mips*-sgi-irix4*)
1036 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
1037 # environment. Also bump switch table size so that cp-parse will
1038 # compile. Bump string length limit so linker builds.
1039 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
1040 ;;
1041 mips*-*-sysv4*)
1042 host_makefile_frag="config/mh-sysv4"
1043 ;;
1044 mips*-*-sysv*)
1045 # This is for a MIPS running RISC/os 4.52C.
1047 # This is needed for GDB, but needs to be in the top-level make because
1048 # if a library is compiled with the bsd headers and gets linked with the
1049 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
1050 # a different size).
1051 # ptrace(2) apparently has problems in the BSD environment. No workaround is
1052 # known except to select the sysv environment. Could we use /proc instead?
1053 # These "sysv environments" and "bsd environments" often end up being a pain.
1054 #
1055 # This is not part of CFLAGS because perhaps not all C compilers have this
1056 # option.
1057 tentative_cc="cc -systype sysv"
1058 ;;
1059 i370-ibm-opened*)
1060 tentative_cc="c89"
1061 ;;
1062 i[[3456789]]86-*-sysv5*)
1063 host_makefile_frag="config/mh-sysv5"
1064 ;;
1065 i[[3456789]]86-*-dgux*)
1066 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1067 host_makefile_frag="config/mh-dgux386"
1068 ;;
1069 i[[3456789]]86-ncr-sysv4.3*)
1070 # The MetaWare compiler will generate a copyright message unless you
1071 # turn it off by adding the -Hnocopyr flag.
1072 tentative_cc="cc -Hnocopyr"
1073 ;;
1074 i[[3456789]]86-ncr-sysv4*)
1075 # for an NCR 3000 (i486/SVR4) system.
1076 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
1077 # This compiler not only emits obnoxious copyright messages every time
1078 # you run it, but it chokes and dies on a whole bunch of GNU source
1079 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
1080 tentative_cc="/usr/ccs/ATT/cc"
1081 host_makefile_frag="config/mh-ncr3000"
1082 ;;
1083 i[[3456789]]86-*-sco3.2v5*)
1084 ;;
1085 i[[3456789]]86-*-sco*)
1086 # The native C compiler botches some simple uses of const. Unfortunately,
1087 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
1088 tentative_cc="cc -Dconst="
1089 host_makefile_frag="config/mh-sco"
1090 ;;
1091 i[[3456789]]86-*-udk*)
1092 host_makefile_frag="config/mh-sysv5"
1093 ;;
1094 i[[3456789]]86-*-solaris2*)
1095 host_makefile_frag="config/mh-sysv4"
1096 ;;
1097 i[[3456789]]86-*-msdosdjgpp*)
1098 host_makefile_frag="config/mh-djgpp"
1099 ;;
1100 *-cygwin*)
1101 host_makefile_frag="config/mh-cygwin"
1102 ;;
1103 *-mingw32*)
1104 host_makefile_frag="config/mh-mingw32"
1105 ;;
1106 *-interix*)
1107 host_makefile_frag="config/mh-interix"
1108 ;;
1109 vax-*-ultrix2*)
1110 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
1111 tentative_cc=gcc
1112 ;;
1113 *-*-solaris2*)
1114 host_makefile_frag="config/mh-solaris"
1115 ;;
1116 m68k-sun-sunos*)
1117 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
1118 # without overflowing the jump tables (-J says to use a 32 bit table)
1119 tentative_cc="cc -J"
1120 ;;
1121 *-hp-hpux*)
1122 tentative_cc="cc -Wp,-H256000"
1123 ;;
1124 *-*-hiux*)
1125 tentative_cc="cc -Wp,-H256000"
1126 ;;
1127 rs6000-*-lynxos*)
1128 # /bin/cc is less than useful for our purposes. Always use GCC
1129 tentative_cc="/usr/cygnus/progressive/bin/gcc"
1130 host_makefile_frag="config/mh-lynxrs6k"
1131 ;;
1132 *-*-lynxos*)
1133 # /bin/cc is less than useful for our purposes. Always use GCC
1134 tentative_cc="/bin/gcc"
1135 ;;
1136 *-*-sysv4*)
1137 host_makefile_frag="config/mh-sysv4"
1138 ;;
1139 esac
1140 fi
1142 extra_arflags_for_target=
1143 extra_nmflags_for_target=
1144 extra_ranlibflags_for_target=
1145 target_makefile_frag=/dev/null
1146 case "${target}" in
1147 i[[3456789]]86-*-netware*)
1148 target_makefile_frag="config/mt-netware"
1149 ;;
1150 powerpc-*-netware*)
1151 target_makefile_frag="config/mt-netware"
1152 ;;
1153 *-*-linux*)
1154 target_makefile_frag="config/mt-linux"
1155 ;;
1156 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1157 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1158 # commands to handle both 32-bit and 64-bit objects. These flags are
1159 # harmless if we're using GNU nm or ar.
1160 extra_arflags_for_target=" -X32_64"
1161 extra_nmflags_for_target=" -B -X32_64"
1162 ;;
1163 *-*-darwin*)
1164 # ranlib from Darwin requires the -c flag to look at common symbols.
1165 extra_ranlibflags_for_target=" -c"
1166 ;;
1167 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1168 target_makefile_frag="config/mt-wince"
1169 ;;
1170 esac
1172 alphaieee_frag=/dev/null
1173 case $target in
1174 alpha*-*-*)
1175 # This just makes sure to use the -mieee option to build target libs.
1176 # This should probably be set individually by each library.
1177 alphaieee_frag="config/mt-alphaieee"
1178 ;;
1179 esac
1181 # If --enable-target-optspace always use -Os instead of -O2 to build
1182 # the target libraries, similarly if it is not specified, use -Os
1183 # on selected platforms.
1184 ospace_frag=/dev/null
1185 case "${enable_target_optspace}:${target}" in
1186 yes:*)
1187 ospace_frag="config/mt-ospace"
1188 ;;
1189 :d30v-*)
1190 ospace_frag="config/mt-d30v"
1191 ;;
1192 :m32r-* | :d10v-* | :fr30-*)
1193 ospace_frag="config/mt-ospace"
1194 ;;
1195 no:* | :*)
1196 ;;
1197 *)
1198 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1199 ;;
1200 esac
1202 # Set with_gnu_as and with_gnu_ld as appropriate.
1203 #
1204 # This is done by determining whether or not the appropriate directory
1205 # is available, and by checking whether or not specific configurations
1206 # have requested that this magic not happen.
1207 #
1208 # The command line options always override the explicit settings in
1209 # configure.in, and the settings in configure.in override this magic.
1210 #
1211 # If the default for a toolchain is to use GNU as and ld, and you don't
1212 # want to do that, then you should use the --without-gnu-as and
1213 # --without-gnu-ld options for the configure script.
1215 if test x${use_gnu_as} = x &&
1216 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1217 with_gnu_as=yes
1218 extra_host_args="$extra_host_args --with-gnu-as"
1219 fi
1221 if test x${use_gnu_ld} = x &&
1222 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1223 with_gnu_ld=yes
1224 extra_host_args="$extra_host_args --with-gnu-ld"
1225 fi
1227 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1228 # can detect this case.
1230 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1231 with_newlib=yes
1232 extra_host_args="$extra_host_args --with-newlib"
1233 fi
1236 # Default to using --with-stabs for certain targets.
1237 if test x${with_stabs} = x ; then
1238 case "${target}" in
1239 mips*-*-irix6*)
1240 ;;
1241 mips*-*-* | alpha*-*-osf*)
1242 with_stabs=yes;
1243 extra_host_args="${extra_host_args} --with-stabs"
1244 ;;
1245 esac
1246 fi
1248 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1249 # them automatically.
1250 case "${host}" in
1251 hppa*64*-*-hpux11*)
1252 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1253 ;;
1254 esac
1256 # If we aren't going to be using gcc, see if we can extract a definition
1257 # of CC from the fragment.
1258 # Actually, use the 'pre-extracted' version above.
1259 if test -z "${CC}" && test "${build}" = "${host}" ; then
1260 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1261 found=
1262 for dir in $PATH; do
1263 test -z "$dir" && dir=.
1264 if test -f $dir/gcc; then
1265 found=yes
1266 break
1267 fi
1268 done
1269 IFS="$save_ifs"
1270 if test -z "${found}" && test -n "${tentative_cc}" ; then
1271 CC=$tentative_cc
1272 fi
1273 fi
1275 # Some systems (e.g., one of the i386-aix systems the gas testers are
1276 # using) don't handle "\$" correctly, so don't use it here.
1277 tooldir='${exec_prefix}'/${target_alias}
1278 build_tooldir=${tooldir}
1280 # Generate a default definition for YACC. This is used if the makefile can't
1281 # locate bison or byacc in objdir.
1283 for prog in 'bison -y' byacc yacc
1284 do
1285 set dummy $prog; tmp=$2
1286 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1287 for dir in $PATH; do
1288 test -z "$dir" && dir=.
1289 if test -f $dir/$tmp; then
1290 DEFAULT_YACC="$prog"
1291 break
1292 fi
1293 done
1294 IFS="$save_ifs"
1296 test -n "$DEFAULT_YACC" && break
1297 done
1299 # Generate a default definition for M4. This is used if the makefile can't
1300 # locate m4 in objdir.
1302 for prog in gm4 gnum4 m4
1303 do
1304 set dummy $prog; tmp=$2
1305 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1306 for dir in $PATH; do
1307 test -z "$dir" && dir=.
1308 if test -f $dir/$tmp; then
1309 DEFAULT_M4="$prog"
1310 break
1311 fi
1312 done
1313 IFS="$save_ifs"
1315 test -n "$DEFAULT_M4" && break
1316 done
1318 # Generate a default definition for LEX. This is used if the makefile can't
1319 # locate flex in objdir.
1321 for prog in flex lex
1322 do
1323 set dummy $prog; tmp=$2
1324 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1325 for dir in $PATH; do
1326 test -z "$dir" && dir=.
1327 if test -f $dir/$tmp; then
1328 DEFAULT_LEX="$prog"
1329 break
1330 fi
1331 done
1332 IFS="$save_ifs"
1334 test -n "$DEFAULT_LEX" && break
1335 done
1337 if test "${build}" != "${host}" ; then
1338 # If we are doing a Canadian Cross, in which the host and build systems
1339 # are not the same, we set reasonable default values for the tools.
1341 BISON=${BISON-bison}
1342 CC=${CC-${host_alias}-gcc}
1343 CFLAGS=${CFLAGS-"-g -O2"}
1344 CXX=${CXX-${host_alias}-c++}
1345 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1346 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1347 CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
1348 CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
1349 GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
1350 GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
1351 BUILD_PREFIX=${build_alias}-
1352 BUILD_PREFIX_1=${build_alias}-
1353 MAKEINFO=${MAKEINFO-makeinfo}
1355 if test -z "${YACC}" ; then
1356 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1357 for dir in $PATH; do
1358 test -z "$dir" && dir=.
1359 if test -f $dir/bison; then
1360 YACC="bison -y"
1361 break
1362 fi
1363 if test -f $dir/byacc; then
1364 YACC=byacc
1365 break
1366 fi
1367 if test -f $dir/yacc; then
1368 YACC=yacc
1369 break
1370 fi
1371 done
1372 IFS="$save_ifs"
1373 if test -z "${YACC}" ; then
1374 YACC="bison -y"
1375 fi
1376 fi
1378 if test -z "${LEX}" ; then
1379 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1380 for dir in $PATH; do
1381 test -z "$dir" && dir=.
1382 if test -f $dir/flex; then
1383 LEX=flex
1384 break
1385 fi
1386 if test -f $dir/lex; then
1387 LEX=lex
1388 break
1389 fi
1390 done
1391 IFS="$save_ifs"
1392 LEX=${LEX-flex}
1393 fi
1395 else
1396 # Set reasonable default values for some tools even if not Canadian.
1397 # Of course, these are different reasonable default values, originally
1398 # specified directly in the Makefile.
1399 # We don't export, so that autoconf can do its job.
1400 # Note that all these settings are above the fragment inclusion point
1401 # in Makefile.in, so can still be overridden by fragments.
1402 # This is all going to change when we autoconfiscate...
1404 BISON="\$(USUAL_BISON)"
1405 CC_FOR_BUILD="\$(CC)"
1406 GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
1407 BUILD_PREFIX=
1408 BUILD_PREFIX_1=loser-
1409 MAKEINFO="\$(USUAL_MAKEINFO)"
1410 LEX="\$(USUAL_LEX)"
1411 YACC="\$(USUAL_YACC)"
1413 # If CC is still not set, try to get gcc.
1414 cc_prog_is_gcc=
1415 if test -z "${CC}" ; then
1416 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1417 for dir in $PATH; do
1418 test -z "$dir" && dir=.
1419 if test -f $dir/gcc; then
1420 CC="gcc"
1421 cc_prog_is_gcc=yes
1422 echo 'void f(){}' > conftest.c
1423 if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1424 CFLAGS=${CFLAGS-"-g -O2"}
1425 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1426 else
1427 CFLAGS=${CFLAGS-"-O2"}
1428 CXXFLAGS=${CXXFLAGS-"-O2"}
1429 fi
1430 rm -f conftest*
1431 break
1432 fi
1433 done
1434 IFS="$save_ifs"
1435 CC=${CC-cc}
1436 else
1437 # Determine if we are using gcc.
1438 cat > conftest.c <<EOF
1439 #ifdef __GNUC__
1440 yes;
1441 #endif
1442 EOF
1443 if ${CC} -E conftest.c | grep yes >/dev/null 2>&1; then
1444 cc_prog_is_gcc=yes
1445 fi
1446 rm -f conftest.c
1447 if test -z "${CFLAGS}"; then
1448 # Here CC is set but CFLAGS is not. Use a quick hack to use -O2 if CC
1449 # is set to a version of gcc.
1450 if test "$cc_prog_is_gcc" = yes; then
1451 echo 'void f(){}' > conftest.c
1452 if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1453 CFLAGS=${CFLAGS-"-g -O2"}
1454 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1455 else
1456 CFLAGS=${CFLAGS-"-O2"}
1457 CXXFLAGS=${CXXFLAGS-"-O2"}
1458 fi
1459 rm -f conftest*
1460 fi
1461 fi
1462 fi
1464 # We must set the default linker to the linker used by gcc for the correct
1465 # operation of libtool. If LD is not defined and we are using gcc, try to
1466 # set the LD default to the ld used by gcc.
1467 if test -z "$LD"; then
1468 if test "$cc_prog_is_gcc" = yes; then
1469 case $build in
1470 *-*-mingw*)
1471 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1472 *)
1473 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1474 esac
1475 case $gcc_prog_ld in
1476 # Accept absolute paths.
1477 [[\\/]* | [A-Za-z]:[\\/]*)]
1478 LD="$gcc_prog_ld" ;;
1479 esac
1480 fi
1481 fi
1483 CXX=${CXX-"c++"}
1484 CFLAGS=${CFLAGS-"-g"}
1485 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1486 fi
1488 # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
1489 # Set up the list of links to be made.
1490 # ${links} is the list of link names, and ${files} is the list of names to link to.
1492 # Make the links.
1493 configlinks="${links}"
1494 if test -r ./config.status ; then
1495 mv -f ./config.status ./config.back
1496 fi
1497 while test -n "${files}" ; do
1498 # set file to car of files, files to cdr of files
1499 set ${files}; file=$1; shift; files=$*
1500 set ${links}; link=$1; shift; links=$*
1502 if test ! -r ${srcdir}/${file} ; then
1503 if test ! -r ${file} ; then
1504 echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
1505 echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
1506 exit 1
1507 else
1508 srcfile=${file}
1509 fi
1510 else
1511 srcfile=${srcdir}/${file}
1512 fi
1514 ${remove} -f ${link}
1515 # Make a symlink if possible, otherwise try a hard link
1516 if ${symbolic_link} ${srcfile} ${link} >/dev/null 2>&1 ; then
1517 true
1518 else
1519 # We need to re-remove the file because Lynx leaves a
1520 # very strange directory there when it fails an NFS symlink.
1521 ${remove} -r -f ${link}
1522 ${hard_link} ${srcfile} ${link}
1523 fi
1524 if test ! -r ${link} ; then
1525 echo '***' "${progname}: unable to link \"${link}\" to \"${srcfile}\"." 1>&2
1526 exit 1
1527 fi
1529 echo "Linked \"${link}\" to \"${srcfile}\"."
1530 done
1532 # Create a .gdbinit file which runs the one in srcdir
1533 # and tells GDB to look there for source files.
1535 if test -r ${srcdir}/.gdbinit ; then
1536 case ${srcdir} in
1537 .) ;;
1538 *) cat > ./.gdbinit <<EOF
1539 # ${NO_EDIT}
1540 dir ${srcdir}
1541 dir .
1542 source ${srcdir}/.gdbinit
1543 EOF
1544 ;;
1545 esac
1546 fi
1548 # Make sure that the compiler is able to generate an executable. If it
1549 # can't, we are probably in trouble. We don't care whether we can run the
1550 # executable--we might be using a cross compiler--we only care whether it
1551 # can be created. At this point the main configure script has set CC.
1552 we_are_ok=no
1553 echo "int main () { return 0; }" > conftest.c
1554 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1555 if test $? = 0 ; then
1556 if test -s conftest || test -s conftest.exe ; then
1557 we_are_ok=yes
1558 fi
1559 fi
1560 case $we_are_ok in
1561 no)
1562 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1563 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1564 rm -f conftest*
1565 exit 1
1566 ;;
1567 esac
1568 rm -f conftest*
1570 # The Solaris /usr/ucb/cc compiler does not appear to work.
1571 case "${host}" in
1572 sparc-sun-solaris2*)
1573 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1574 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1575 could_use=
1576 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1577 if test -d /opt/cygnus/bin ; then
1578 if test "$could_use" = "" ; then
1579 could_use="/opt/cygnus/bin"
1580 else
1581 could_use="$could_use or /opt/cygnus/bin"
1582 fi
1583 fi
1584 if test "$could_use" = "" ; then
1585 echo "Warning: compilation may fail because you're using"
1586 echo "/usr/ucb/cc. You should change your PATH or CC "
1587 echo "variable and rerun configure."
1588 else
1589 echo "Warning: compilation may fail because you're using"
1590 echo "/usr/ucb/cc, when you should use the C compiler from"
1591 echo "$could_use. You should change your"
1592 echo "PATH or CC variable and rerun configure."
1593 fi
1594 fi
1595 ;;
1596 esac
1598 # If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
1599 # binutils tools will find libbfd.so.
1600 case "${enable_shared}" in
1601 no | "") SET_LIB_PATH= ;;
1602 *) SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)" ;;
1603 esac
1605 case "${host}" in
1606 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1607 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1608 esac
1610 # Record target_configdirs and the configure arguments for target and
1611 # build configuration in Makefile.
1612 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1614 # This is the final value for target_configdirs. configdirs already
1615 # has its final value, as does build_modules. It's time to create some
1616 # lists of valid targets.
1618 all_build_modules=
1619 configure_build_modules=
1620 for module in ${build_modules} ; do
1621 all_build_modules=all-build-${module}
1622 configure_build_modules=configure-build-${module}
1623 done
1625 # Determine whether gdb needs tk/tcl or not.
1626 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1627 # and in that case we want gdb to be built without tk. Ugh!
1628 # In fact I believe gdb is the *only* package directly dependent on tk,
1629 # so we should be able to put the 'maybe's in unconditionally and
1630 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
1631 # 100% sure that that's safe though.
1633 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-tix maybe-all-libgui"
1634 case "$enable_gdbtk" in
1635 no)
1636 GDB_TK="" ;;
1637 yes)
1638 GDB_TK="${gdb_tk}" ;;
1639 *)
1640 # Only add the dependency on gdbtk when GDBtk is part of the gdb
1641 # distro. Eventually someone will fix this and move Insight, nee
1642 # gdbtk to a separate directory.
1643 if test -d ${srcdir}/gdb/gdbtk ; then
1644 GDB_TK="${gdb_tk}"
1645 else
1646 GDB_TK=""
1647 fi
1648 ;;
1649 esac
1651 # Create the 'maybe dependencies'. This uses a temporary file.
1653 # While at that, we remove Makefiles if we were started for recursive
1654 # configuration, so that the top-level Makefile reconfigures them,
1655 # like we used to do when configure itself was recursive.
1656 rm -f maybedep.tmp
1657 echo '# maybedep.tmp' > maybedep.tmp
1659 # Make-targets which may need maybe dependencies.
1660 mts="configure all install check clean distclean dvi info install-info"
1661 mts="${mts} installcheck mostlyclean maintainer-clean TAGS"
1663 # Loop over modules and make-targets.
1664 for module in ${build_modules} ; do
1665 if test -z "${no_recursion}" \
1666 && test -f ${build_subdir}/${module}/Makefile; then
1667 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1668 rm -f ${build_subdir}/${module}/Makefile
1669 fi
1670 for mt in ${mts} ; do
1671 case ${mt} in
1672 install) ;; # No installing build modules.
1673 *) echo "maybe-${mt}-build-${module}: ${mt}-build-${module}" >> maybedep.tmp ;;
1674 esac
1675 done
1676 done
1677 for module in ${configdirs} ; do
1678 if test -z "${no_recursion}" \
1679 && test -f ${module}/Makefile; then
1680 echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
1681 rm -f ${module}/Makefile
1682 fi
1683 for mt in ${mts} ; do
1684 echo "maybe-${mt}-${module}: ${mt}-${module}" >> maybedep.tmp
1685 done
1686 done
1687 for module in ${target_configdirs} ; do
1688 if test -z "${no_recursion}" \
1689 && test -f ${target_subdir}/${module}/Makefile; then
1690 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1691 rm -f ${target_subdir}/${module}/Makefile
1692 fi
1693 for mt in ${mts} ; do
1694 echo "maybe-${mt}-target-${module}: ${mt}-target-${module}" >> maybedep.tmp
1695 done
1696 done
1697 maybe_dependencies=maybedep.tmp
1698 AC_SUBST_FILE(maybe_dependencies)
1700 # Create the serialization dependencies. This uses a temporary file.
1702 AC_ARG_ENABLE([serial-configure],
1703 [ --enable-serial-[{host,target,build}-]configure
1704 Force sequential configuration of
1705 sub-packages for the host, target or build
1706 machine, or all sub-packages])
1708 case ${enable_serial_configure} in
1709 yes)
1710 enable_serial_build_configure=yes
1711 enable_serial_host_configure=yes
1712 enable_serial_target_configure=yes
1713 ;;
1714 esac
1716 # These force 'configure's to be done one at a time, to avoid problems
1717 # with contention over a shared config.cache.
1718 rm -f serdep.tmp
1719 echo '# serdep.tmp' > serdep.tmp
1720 olditem=
1721 test "x${enable_serial_build_configure}" = xyes &&
1722 for item in ${build_configdirs} ; do
1723 case ${olditem} in
1724 "") ;;
1725 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1726 esac
1727 olditem=${item}
1728 done
1729 olditem=
1730 test "x${enable_serial_host_configure}" = xyes &&
1731 for item in ${configdirs} ; do
1732 case ${olditem} in
1733 "") ;;
1734 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1735 esac
1736 olditem=${item}
1737 done
1738 olditem=
1739 test "x${enable_serial_target_configure}" = xyes &&
1740 for item in ${target_configdirs} ; do
1741 case ${olditem} in
1742 "") ;;
1743 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1744 esac
1745 olditem=${item}
1746 done
1747 serialization_dependencies=serdep.tmp
1748 AC_SUBST_FILE(serialization_dependencies)
1750 # Base args. Strip norecursion, cache-file, srcdir, host, build,
1751 # target and nonopt. These are the ones we might not want to pass
1752 # down to subconfigures.
1753 baseargs=`echo " ${ac_configure_args} " | \
1754 sed -e 's/ --no[[^ ]]* / /' \
1755 -e 's/ --c[[a-z-]]*[[= ]][[^ ]]* / /' \
1756 -e 's/ --sr[[a-z-]]*[[= ]][[^ ]]* / /' \
1757 -e 's/ --ho[[a-z-]]*[[= ]][[^ ]]* / /' \
1758 -e 's/ --bu[[a-z-]]*[[= ]][[^ ]]* / /' \
1759 -e 's/ --t[[a-z-]]*[[= ]][[^ ]]* / /' \
1760 -e 's/ -cache-file[[= ]][[^ ]]* / /' \
1761 -e 's/ -srcdir[[= ]][[^ ]]* / /' \
1762 -e 's/ -host[[= ]][[^ ]]* / /' \
1763 -e 's/ -build[[= ]][[^ ]]* / /' \
1764 -e 's/ -target[[= ]][[^ ]]* / /' \
1765 -e "s/ [[^' -][^ ]*] / /" \
1766 -e 's/^ *//;s/ *$//'`
1768 # For the build-side libraries, we just need to pretend we're native,
1769 # and not use the same cache file. Multilibs are neither needed nor
1770 # desired.
1771 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} ${baseargs}"
1773 # For host modules, accept cache file option, or specification as blank.
1774 case "${cache_file}" in
1775 "") # empty
1776 cache_file_option="" ;;
1777 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1778 cache_file_option="--cache-file=${cache_file}" ;;
1779 *) # relative path
1780 cache_file_option="--cache-file=../${cache_file}" ;;
1781 esac
1783 host_configargs="${cache_file_option} --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1785 target_configargs=${baseargs}
1787 # Passing a --with-cross-host argument lets the target libraries know
1788 # whether they are being built with a cross-compiler or being built
1789 # native. However, it would be better to use other mechanisms to make the
1790 # sorts of decisions they want to make on this basis. Please consider
1791 # this option to be deprecated. FIXME.
1792 if test x${is_cross_compiler} = xyes ; then
1793 target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1794 fi
1796 # Default to --enable-multilib.
1797 if test x${enable_multilib} = x ; then
1798 target_configargs="--enable-multilib ${target_configargs}"
1799 fi
1801 # Pass --with-newlib if appropriate. Note that target_configdirs has
1802 # changed from the earlier setting of with_newlib.
1803 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1804 target_configargs="--with-newlib ${target_configargs}"
1805 fi
1807 # Pass the appropriate --host, --build, and --cache-file arguments.
1808 target_configargs="--cache-file=../config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}"
1810 # provide a proper gxx_include_dir.
1811 # Note, if you change the default, make sure to fix both here and in
1812 # the gcc and libstdc++-v3 subdirectories.
1813 # Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
1814 case "${with_gxx_include_dir}" in
1815 yes)
1816 AC_MSG_ERROR([--with-gxx-include-dir=[[dir]] requires a directory])
1817 ;;
1818 no | "")
1819 case "${enable_version_specific_runtime_libs}" in
1820 yes) gxx_include_dir='${libsubdir}/include/c++' ;;
1821 *)
1822 . ${srcdir}/config.if
1823 gxx_include_dir='${prefix}/include/'${libstdcxx_incdir} ;;
1824 esac ;;
1825 *) gxx_include_dir=${with_gxx_include_dir} ;;
1826 esac
1828 FLAGS_FOR_TARGET=
1829 case " $target_configdirs " in
1830 *" newlib "*)
1831 case " $target_configargs " in
1832 *" --with-newlib "*)
1833 case "$target" in
1834 *-cygwin*)
1835 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' ;;
1836 esac
1838 # If we're not building GCC, don't discard standard headers.
1839 if test -d ${srcdir}/gcc; then
1840 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1842 if test "${build}" != "${host}"; then
1843 # On Canadian crosses, CC_FOR_TARGET will have already been set
1844 # by `configure', so we won't have an opportunity to add -Bgcc/
1845 # to it. This is right: we don't want to search that directory
1846 # for binaries, but we want the header files in there, so add
1847 # them explicitly.
1848 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
1850 # Someone might think of using the pre-installed headers on
1851 # Canadian crosses, in case the installed compiler is not fully
1852 # compatible with the compiler being built. In this case, it
1853 # would be better to flag an error than risking having
1854 # incompatible object files being constructed. We can't
1855 # guarantee that an error will be flagged, but let's hope the
1856 # compiler will do it, when presented with incompatible header
1857 # files.
1858 fi
1859 fi
1861 case "${target}-${is_cross_compiler}" in
1862 i[[3456789]]86-*-linux*-no)
1863 # Here host == target, so we don't need to build gcc,
1864 # so we don't want to discard standard headers.
1865 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
1866 ;;
1867 *)
1868 # If we're building newlib, use its generic headers last, but search
1869 # for any libc-related directories first (so make it the last -B
1870 # switch).
1871 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
1872 ;;
1873 esac
1874 ;;
1875 esac
1876 ;;
1877 esac
1879 # On Canadian crosses, we'll be searching the right directories for
1880 # the previously-installed cross compiler, so don't bother to add
1881 # flags for directories within the install tree of the compiler
1882 # being built; programs in there won't even run.
1883 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
1884 # Search for pre-installed headers if nothing else fits.
1885 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
1886 fi
1888 if test "x${use_gnu_ld}" = x &&
1889 echo " ${configdirs} " | grep " ld " > /dev/null ; then
1890 # Arrange for us to find uninstalled linker scripts.
1891 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
1892 fi
1894 if test "x${CC_FOR_TARGET+set}" = xset; then
1895 :
1896 elif test -d ${srcdir}/gcc; then
1897 CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
1898 elif test "$host" = "$target"; then
1899 CC_FOR_TARGET='$(CC)'
1900 else
1901 CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
1902 fi
1903 CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1905 if test "x${GCJ_FOR_TARGET+set}" = xset; then
1906 :
1907 elif test -d ${srcdir}/gcc; then
1908 GCJ_FOR_TARGET='$$r/gcc/gcj -B$$r/gcc/'
1909 elif test "$host" = "$target"; then
1910 GCJ_FOR_TARGET='gcj'
1911 else
1912 GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
1913 fi
1914 GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1916 # Don't use libstdc++-v3's flags to configure/build itself.
1917 libstdcxx_flags='`test ! -f $$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$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
1918 raw_libstdcxx_flags=' -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
1920 if test "x${CXX_FOR_TARGET+set}" = xset; then
1921 :
1922 elif test -d ${srcdir}/gcc; then
1923 # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
1924 # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
1925 # default whereas gcc does not.
1926 # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
1927 # all other cases.
1928 CXX_FOR_TARGET='$$r/gcc/g++ -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
1929 RAW_CXX_FOR_TARGET='$$r/gcc/xgcc -shared-libgcc -B$$r/gcc/ -nostdinc++ '$raw_libstdcxx_flags
1930 elif test "$host" = "$target"; then
1931 CXX_FOR_TARGET='$(CXX)'
1932 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
1933 else
1934 CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
1935 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
1936 fi
1937 CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1938 RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1940 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
1941 qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
1943 # We want to defer the evaluation of `cmd`s and shell variables in
1944 # CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
1945 # bootstrap. We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
1946 # quotes, but we still have to duplicate `$'s so that shell variables
1947 # can be expanded by the nested make as shell variables, not as make
1948 # macros.
1949 qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
1950 qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
1952 # Wrap CC_FOR_TARGET and friends, for certain types of builds.
1953 CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
1954 GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
1955 CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
1956 RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
1957 CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
1958 RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
1960 # Makefile fragments.
1961 host_makefile_frag=${srcdir}/${host_makefile_frag}
1962 target_makefile_frag=${srcdir}/${target_makefile_frag}
1963 alphaieee_frag=${srcdir}/${alphaieee_frag}
1964 ospace_frag=${srcdir}/${ospace_frag}
1965 AC_SUBST_FILE(host_makefile_frag)
1966 AC_SUBST_FILE(target_makefile_frag)
1967 AC_SUBST_FILE(alphaieee_frag)
1968 AC_SUBST_FILE(ospace_frag)
1970 # Miscellanea: directories, flags, etc.
1971 AC_SUBST(SET_LIB_PATH)
1972 AC_SUBST(RPATH_ENVVAR)
1973 AC_SUBST(BUILD_PREFIX)
1974 AC_SUBST(BUILD_PREFIX_1)
1975 AC_SUBST(configlinks)
1976 AC_SUBST(gcc_version_trigger)
1977 AC_SUBST(gcc_version)
1978 AC_SUBST(tooldir)
1979 AC_SUBST(build_tooldir)
1980 AC_SUBST(GDB_TK)
1981 AC_SUBST(gxx_include_dir)
1982 AC_SUBST(libstdcxx_incdir)
1984 # Build module lists & subconfigure args.
1985 AC_SUBST(build_configargs)
1986 AC_SUBST(configure_build_modules)
1987 AC_SUBST(all_build_modules)
1989 # Host module lists & subconfigure args.
1990 AC_SUBST(host_configargs)
1991 AC_SUBST(configdirs)
1993 # Target module lists & subconfigure args.
1994 AC_SUBST(target_configargs)
1995 AC_SUBST(target_configdirs)
1997 # Build tools.
1998 AC_SUBST(BISON)
1999 AC_SUBST(CC_FOR_BUILD)
2000 AC_SUBST(LEX)
2001 AC_SUBST(MAKEINFO)
2002 AC_SUBST(YACC)
2003 AC_SUBST(config_shell)
2005 # Host tools.
2006 NCN_STRICT_CHECK_TOOL(AR, ar)
2007 NCN_STRICT_CHECK_TOOL(AS, as)
2008 NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2009 NCN_STRICT_CHECK_TOOL(LD, ld)
2010 NCN_STRICT_CHECK_TOOL(NM, nm)
2011 NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2012 NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2013 NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2014 NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
2015 AC_SUBST(CC)
2016 AC_SUBST(CXX)
2017 AC_SUBST(CFLAGS)
2018 AC_SUBST(CXXFLAGS)
2019 AC_SUBST(DEFAULT_YACC)
2020 AC_SUBST(DEFAULT_LEX)
2021 AC_SUBST(DEFAULT_M4)
2023 # Target tools.
2024 NCN_STRICT_CHECK_TARGET_TOOL(AR_FOR_TARGET, ar)
2025 NCN_STRICT_CHECK_TARGET_TOOL(AS_FOR_TARGET, as)
2026 NCN_STRICT_CHECK_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
2027 NCN_STRICT_CHECK_TARGET_TOOL(LD_FOR_TARGET, ld)
2028 NCN_STRICT_CHECK_TARGET_TOOL(NM_FOR_TARGET, nm)
2029 NCN_STRICT_CHECK_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
2030 NCN_STRICT_CHECK_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
2032 AC_SUBST(GCC_FOR_TARGET)
2033 AC_SUBST(FLAGS_FOR_TARGET)
2034 AC_SUBST(CC_FOR_TARGET)
2035 AC_SUBST(GCJ_FOR_TARGET)
2036 AC_SUBST(CXX_FOR_TARGET)
2037 AC_SUBST(RAW_CXX_FOR_TARGET)
2038 AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2039 AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2041 # Fix up target tools.
2042 if test "x${build}" = "x${host}" ; then
2043 # In this case, the newly built tools can and should be used,
2044 # so we override the results of the autoconf tests.
2045 # This should really only happen when the tools are actually being built,
2046 # but that's a further refinement. The new build scheme, where
2047 # tools are built into a structure paralleling where they're installed,
2048 # should also eliminate all of this cleanly.
2049 AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2050 AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2051 DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2052 LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2053 NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2054 RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2055 WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2056 fi
2057 # Certain tools may need extra flags.
2058 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2059 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2060 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2062 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2063 AC_ARG_ENABLE(maintainer-mode,
2064 [ --enable-maintainer-mode enable make rules and dependencies not useful
2065 (and sometimes confusing) to the casual installer],
2066 USE_MAINTAINER_MODE=$enableval,
2067 USE_MAINTAINER_MODE=no)
2068 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2069 AC_SUBST(MAINTAINER_MODE_TRUE)
2070 AC_SUBST(MAINTAINER_MODE_FALSE)
2071 if test "$USE_MAINTAINER_MODE" = yes; then
2072 MAINTAINER_MODE_TRUE=
2073 MAINTAINER_MODE_FALSE='#'
2074 else
2075 MAINTAINER_MODE_TRUE='#'
2076 MAINTAINER_MODE_FALSE=
2077 fi
2078 MAINT=$MAINTAINER_MODE_TRUE
2079 AC_SUBST(MAINT)dnl
2081 AC_OUTPUT(Makefile)