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e601f9e9 1# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998,
89a95129 2# 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
6599da04
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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
539df155 16# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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17
18##############################################################################
671aa708
NN
19### WARNING: this file contains embedded tabs. Do not run untabify on this file.
20
ad6717df
PB
21sinclude(config/acx.m4)
22
671aa708 23AC_INIT(move-if-change)
d02c69be 24AC_PREREQ(2.13)
671aa708
NN
25AC_CANONICAL_SYSTEM
26AC_ARG_PROGRAM
27
775956d0
NN
28# Get 'install' or 'install-sh' and its variants.
29AC_PROG_INSTALL
ad6717df 30ACX_PROG_LN
148907ea 31AC_PROG_LN_S
775956d0 32
671aa708
NN
33### we might need to use some other shell than /bin/sh for running subshells
34### If we are on Windows, search for the shell. This will permit people
35### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
36### without also having to set CONFIG_SHELL. This code will work when
37### using bash, which sets OSTYPE.
38case "${OSTYPE}" in
39*win32*)
40 if test x${CONFIG_SHELL} = x ; then
41 if test ! -f /bin/sh ; then
42 if test x${SHELL} != x && test -f ${SHELL} ; then
43 CONFIG_SHELL=${SHELL}
44 export CONFIG_SHELL
45 else
46 for prog in sh sh.exe bash bash.exe; do
47 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
48 for dir in $PATH; do
49 test -z "$dir" && dir=.
50 if test -f $dir/$prog; then
51 CONFIG_SHELL=$dir/$prog
52 export CONFIG_SHELL
53 break
54 fi
55 done
56 IFS="$save_ifs"
57 test -n "${CONFIG_SHELL}" && break
58 done
59 fi
60 fi
61 fi
62 ;;
63esac
64
65config_shell=${CONFIG_SHELL-/bin/sh}
66
671aa708
NN
67progname=$0
68# if PWD already has a value, it is probably wrong.
69if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
70
b348267b 71# Export original configure arguments for use by sub-configures. These
eeae7b41
DJ
72# will be expanded by make, so quote '$'.
73tmp="$progname $@"
74sed -e 's,\$,$$,g' <<EOF_SED > conftestsed.out
75$tmp
b348267b 76EOF_SED
eeae7b41
DJ
77TOPLEVEL_CONFIGURE_ARGUMENTS=`cat conftestsed.out`
78rm -f conftestsed.out
3dfabf63 79AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
671aa708
NN
80
81moveifchange=${srcdir}/move-if-change
82
fc45f3fe
DJ
83srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
84
85# We pass INSTALL explicitly to sub-makes. Make sure that it is not
86# a relative path.
87if test "$INSTALL" = "${srcdir}/install-sh -c"; then
88 INSTALL="${srcpwd}/install-sh -c"
89fi
90
671aa708
NN
91# Set srcdir to "." if that's what it is.
92# This is important for multilib support.
93pwd=`${PWDCMD-pwd}`
671aa708
NN
94if test "${pwd}" = "${srcpwd}" ; then
95 srcdir=.
96fi
97
98topsrcdir=$srcpwd
6599da04 99
4977bab6 100extra_host_args=
afabd8e6 101
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102### To add a new directory to the tree, first choose whether it is a target
103### or a host dependent tool. Then put it into the appropriate list
4977bab6
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104### (library or tools, host or target), doing a dependency sort.
105
106# Subdirs will be configured in the order listed in build_configdirs,
107# configdirs, or target_configdirs; see the serialization section below.
108
109# Dependency sorting is only needed when *configuration* must be done in
110# a particular order. In all cases a dependency should be specified in
111# the Makefile, whether or not it's implicitly specified here.
6599da04 112
4977bab6
ZW
113# Double entries in build_configdirs, configdirs, or target_configdirs may
114# cause circular dependencies and break everything horribly.
6599da04 115
23f6b2f9
PB
116# these library is used by various programs built for the build
117# environment
118#
119build_libs="build-libiberty"
120
121# these tools are built for the build environment
71b5d516 122build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
23f6b2f9 123
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124# these libraries are used by various programs built for the host environment
125#
0a050485 126host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp"
6599da04 127
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128# these tools are built for the host environment
129# Note, the powerpc-eabi build depends on sim occurring before gdb in order to
130# know that we are building the simulator.
4977bab6
ZW
131# binutils, gas and ld appear in that order because it makes sense to run
132# "make check" in that particular order.
5395b47b 133host_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"
5d4a5ee6 134
7743113b
AG
135# libgcj represents the runtime libraries only used by gcj.
136libgcj="target-libffi \
137 target-boehm-gc \
138 target-zlib \
139 target-qthreads \
140 target-libjava"
141
6599da04
JM
142# these libraries are built for the target environment, and are built after
143# the host libraries and the host tools (which may be a cross compiler)
144#
4dbda6f0 145target_libraries="target-libiberty \
5d4a5ee6
JL
146 target-libgloss \
147 target-newlib \
cb543528 148 target-libstdc++-v3 \
6de9cd9a 149 target-libmudflap \
77008252 150 target-libssp \
6de9cd9a 151 target-libgfortran \
77d187bc 152 ${libgcj} \
d9cdb878
AC
153 target-libobjc \
154 target-libada"
6599da04 155
4dbda6f0
NN
156# these tools are built using the target libraries, and are intended to
157# run only in the target environment
6599da04 158#
4dbda6f0 159# note: any program that *uses* libraries that are in the "target_libraries"
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160# list belongs in this list. those programs are also very likely
161# candidates for the "native_only" list which follows
162#
97286f7f 163target_tools="target-examples target-groff target-gperf target-rda"
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164
165################################################################################
166
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167## All tools belong in one of the four categories, and are assigned above
168## We assign ${configdirs} this way to remove all embedded newlines. This
169## is important because configure will choke if they ever get through.
170## ${configdirs} is directories we build using the host tools.
171## ${target_configdirs} is directories we build using the target tools.
6599da04 172configdirs=`echo ${host_libs} ${host_tools}`
4dbda6f0 173target_configdirs=`echo ${target_libraries} ${target_tools}`
71b5d516 174build_configdirs=`echo ${build_libs} ${build_tools}`
8b87bb96 175
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176################################################################################
177
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178srcname="gnu development package"
179
180# This gets set non-empty for some net releases of packages.
181appdirs=""
182
e1848dde
NN
183# Define is_cross_compiler to save on calls to 'test'.
184is_cross_compiler=
185if test x"${host}" = x"${target}" ; then
186 is_cross_compiler=no
187else
188 is_cross_compiler=yes
189fi
190
b4acb5ef 191# Find the build and target subdir names.
8b87bb96 192GCC_TOPLEV_SUBDIRS
f653f0ab 193
55380b08
NN
194# Skipdirs are removed silently.
195skipdirs=
196# Noconfigdirs are removed loudly.
197noconfigdirs=""
6599da04 198
55380b08
NN
199use_gnu_ld=
200# Make sure we don't let GNU ld be added if we didn't want it.
201if test x$with_gnu_ld = xno ; then
202 use_gnu_ld=no
203 noconfigdirs="$noconfigdirs ld"
6599da04
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204fi
205
55380b08
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206use_gnu_as=
207# Make sure we don't let GNU as be added if we didn't want it.
208if test x$with_gnu_as = xno ; then
209 use_gnu_as=no
210 noconfigdirs="$noconfigdirs gas"
6599da04
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211fi
212
55380b08
NN
213# some tools are so dependent upon X11 that if we're not building with X,
214# it's not even worth trying to configure, much less build, that tool.
6599da04 215
55380b08
NN
216case ${with_x} in
217 yes | "") ;; # the default value for this tree is that X11 is available
423ce3eb 218 no)
b4f96efe 219 skipdirs="${skipdirs} tk itcl libgui"
423ce3eb
NN
220 # We won't be able to build gdbtk without X.
221 enable_gdbtk=no
222 ;;
55380b08
NN
223 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
224esac
6599da04 225
55380b08 226# Some tools are only suitable for building in a "native" situation.
95ddd785 227# Remove these if host!=target.
61b56b2e 228native_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"
95ddd785
NN
229
230# Similarly, some are only suitable for cross toolchains.
231# Remove these if host=target.
232cross_only="target-libgloss target-newlib target-opcodes"
6599da04 233
55380b08
NN
234case $is_cross_compiler in
235 no) skipdirs="${skipdirs} ${cross_only}" ;;
236 yes) skipdirs="${skipdirs} ${native_only}" ;;
237esac
6599da04 238
0c639b89
DD
239# If both --with-headers and --with-libs are specified, default to
240# --without-newlib.
9082a750
MR
241if test x"${with_headers}" != x && test x"${with_headers}" != xno \
242 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
0c639b89
DD
243 if test x"${with_newlib}" = x ; then
244 with_newlib=no
245 fi
246fi
247
248# Recognize --with-newlib/--without-newlib.
249case ${with_newlib} in
250 no) skipdirs="${skipdirs} target-newlib" ;;
251 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
252esac
253
6599da04
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254# Configure extra directories which are host specific
255
256case "${host}" in
55380b08 257 *-cygwin*)
4977bab6 258 configdirs="$configdirs libtermcap" ;;
6599da04
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259esac
260
4fab7234
HPN
261# A target can indicate whether a language isn't supported for some reason.
262# Only spaces may be used in this macro; not newlines or tabs.
263unsupported_languages=
264
6599da04
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265# Remove more programs from consideration, based on the host or
266# target this usually means that a port of the program doesn't
267# exist yet.
268
6599da04 269case "${host}" in
18a53ffe
JL
270 hppa*64*-*-*)
271 noconfigdirs="$noconfigdirs byacc"
272 ;;
f2a0e225 273 i[[3456789]]86-*-vsta)
b4f96efe 274 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
6599da04 275 ;;
f2a0e225 276 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
b4f96efe 277 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
3aa83176 278 ;;
f2a0e225 279 i[[3456789]]86-*-mingw32*)
b4f96efe 280 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
a22c2d8d 281 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
3aa83176 282 ;;
f2a0e225 283 i[[3456789]]86-*-beos*)
b4f96efe 284 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
3aa83176 285 ;;
d207ebef 286 *-*-cygwin*)
a22c2d8d 287 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
6599da04 288 ;;
5d4a5ee6 289 *-*-netbsd*)
a22c2d8d 290 noconfigdirs="$noconfigdirs rcs"
5d4a5ee6 291 ;;
6599da04 292 ppc*-*-pe)
b4f96efe 293 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
c135ea39 294 ;;
0da3b5a7 295 powerpc-*-beos*)
b4f96efe 296 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
0da3b5a7 297 ;;
6599da04
JM
298esac
299
6de9cd9a 300
d9cdb878
AC
301AC_ARG_ENABLE(libada,
302[ --enable-libada Builds libada directory],
303ENABLE_LIBADA=$enableval,
304ENABLE_LIBADA=yes)
305if test "${ENABLE_LIBADA}" != "yes" ; then
306 noconfigdirs="$noconfigdirs target-libada"
5395b47b 307 noconfigdirs="$noconfigdirs gnattools"
d9cdb878
AC
308fi
309
ef0087a7
KH
310AC_ARG_ENABLE(libssp,
311[ --enable-libssp Builds libssp directory],
312ENABLE_LIBSSP=$enableval,
313ENABLE_LIBSSP=yes)
314if test "${ENABLE_LIBSSP}" != "yes" ; then
315 noconfigdirs="$noconfigdirs target-libssp"
316fi
317
8343765d
AO
318# Save it here so that, even in case of --enable-libgcj, if the Java
319# front-end isn't enabled, we still get libgcj disabled.
320libgcj_saved=$libgcj
321case $enable_libgcj in
322yes)
323 # If we reset it here, it won't get added to noconfigdirs in the
324 # target-specific build rules, so it will be forcibly enabled
325 # (unless the Java language itself isn't enabled).
326 libgcj=
327 ;;
328no)
329 # Make sure we get it printed in the list of not supported target libs.
330 noconfigdirs="$noconfigdirs ${libgcj}"
331 ;;
332esac
333
6de9cd9a
DN
334
335# Allow --disable-libmudflap to exclude target-libmudflap
336case $enable_libmudflap in
dfcada9a 337yes)
6de9cd9a
DN
338 ;;
339no)
340 noconfigdirs="$noconfigdirs target-libmudflap"
341 ;;
dfcada9a
MM
342"")
343 case "${target}" in
98a5bb3b
RM
344 *-*-linux*-gnu | *-*-gnu* | *-*-k*bsd*-gnu)
345 # Enable libmudflap by default in GNU and friends.
dfcada9a 346 ;;
a3e8d8b4
LR
347 *-*-freebsd*)
348 # Enable libmudflap by default in FreeBSD.
349 ;;
dfcada9a
MM
350 *)
351 # Disable it by default everywhere else.
352 noconfigdirs="$noconfigdirs target-libmudflap"
353 ;;
354 esac
6de9cd9a
DN
355esac
356
357
6599da04 358case "${target}" in
3fa03ff9
AG
359 *-*-chorusos)
360 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
361 ;;
940cde4d 362 powerpc-*-darwin*)
c8e5d1af 363 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
9c8f9ec2 364 noconfigdirs="$noconfigdirs sim target-rda"
c8e5d1af 365 ;;
940cde4d
GK
366 *-*-darwin*)
367 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
9c8f9ec2 368 noconfigdirs="$noconfigdirs sim target-rda"
0a1c093b 369 noconfigdirs="$noconfigdirs ${libgcj}"
940cde4d 370 ;;
671aa708 371 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
ef98ad7b
LR
372 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
373 ;;
c3f84f61 374 *-*-freebsd*)
6de9cd9a
DN
375 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
376 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
377 && test -f /usr/local/include/gmp.h; then
378 with_gmp=/usr/local
379 fi
380
381 # Skip some stuff that's unsupported on some FreeBSD configurations.
382 case "${target}" in
383 i*86-*-*) ;;
384 alpha*-*-*) ;;
385 *)
386 noconfigdirs="$noconfigdirs ${libgcj}"
387 ;;
388 esac
389 ;;
ef4e7569
US
390 *-*-kaos*)
391 # Remove unsupported stuff on all kaOS configurations.
b4117c30 392 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
ef4e7569
US
393 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
394 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
395 noconfigdirs="$noconfigdirs target-libgloss"
396 ;;
51584787
JT
397 *-*-netbsd*)
398 # Skip some stuff on all NetBSD configurations.
fbf86afb 399 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
51584787
JT
400
401 # Skip some stuff that's unsupported on some NetBSD configurations.
402 case "${target}" in
320d7e7a 403 i*86-*-netbsdelf*) ;;
0590b963 404 arm*-*-netbsdelf*) ;;
51584787
JT
405 *)
406 noconfigdirs="$noconfigdirs ${libgcj}"
407 ;;
408 esac
409 ;;
61fec9ff
JB
410 *-*-netware*)
411 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
6599da04 412 ;;
3fbc0b70 413 *-*-rtems*)
7743113b 414 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
3fbc0b70 415 ;;
a8ba31f2
EC
416 # The tpf target doesn't support gdb yet.
417 *-*-tpf*)
418 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} target-libmudflap gdb tcl tk libgui itcl"
419 ;;
5785c0ed
BI
420 *-*-uclinux*)
421 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
422 ;;
6599da04 423 *-*-vxworks*)
4dd01c5c 424 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj}"
6599da04 425 ;;
fd7ea4ab
JB
426 m32c-*-*)
427 noconfigdirs="$noconfigdirs target-libstdc++-v3"
428 ;;
b104e095 429 alpha*-dec-osf*)
603606e7
NN
430 # ld works, but does not support shared libraries.
431 # newlib is not 64 bit ready. I'm not sure about fileutils.
6599da04 432 # gas doesn't generate exception information.
603606e7 433 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
6599da04
JM
434 ;;
435 alpha*-*-*vms*)
556f03c4 436 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
6599da04 437 ;;
9e9af119
MH
438 alpha*-*-linux*)
439 # newlib is not 64 bit ready
d340e0ac 440 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
9e9af119 441 ;;
6599da04
JM
442 alpha*-*-*)
443 # newlib is not 64 bit ready
7743113b 444 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
6599da04 445 ;;
33952f6f
AO
446 am33_2.0-*-linux*)
447 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
448 ;;
53b475f0
AH
449 sh-*-linux*)
450 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
53b475f0 451 ;;
3a685f6f 452 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
7743113b
AG
453 noconfigdirs="$noconfigdirs ${libgcj}"
454 noconfigdirs="$noconfigdirs target-examples"
d207ebef 455 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
b4f96efe 456 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
3a685f6f
NC
457 noconfigdirs="$noconfigdirs expect dejagnu"
458 # the C++ libraries don't build on top of CE's C libraries
cb543528 459 noconfigdirs="$noconfigdirs target-libstdc++-v3"
fbf86afb 460 noconfigdirs="$noconfigdirs target-newlib"
3a685f6f
NC
461 case "${host}" in
462 *-*-cygwin*) ;; # keep gdb and readline
aa9c3ab4 463 *) noconfigdirs="$noconfigdirs gdb readline"
3a685f6f
NC
464 ;;
465 esac
466 ;;
d207ebef 467 arc-*-*)
7743113b 468 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
d207ebef 469 ;;
9d069a4f 470 arm-semi-aof )
9d069a4f 471 ;;
5831424e
RE
472 arm-*-coff | strongarm-*-coff | xscale-*-coff)
473 noconfigdirs="$noconfigdirs ${libgcj}"
474 ;;
b3f8d95d 475 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
5831424e
RE
476 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
477 ;;
972974fc
MM
478 arm*-*-symbianelf*)
479 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
480 ;;
6599da04 481 arm-*-pe*)
7743113b 482 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
6599da04 483 ;;
e98e406f 484 thumb-*-coff)
7743113b 485 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
e98e406f 486 ;;
d207ebef 487 thumb-*-elf)
7743113b 488 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
d207ebef 489 ;;
d207ebef 490 thumb-*-pe)
7743113b 491 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
d207ebef 492 ;;
5d4a5ee6 493 arm-*-riscix*)
7743113b 494 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
5d4a5ee6 495 ;;
6ff14f32 496 avr-*-*)
556f03c4 497 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
6ff14f32 498 ;;
a5a438f5 499 c4x-*-* | tic4x-*-*)
cb543528 500 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
ab50d72b
DD
501 ;;
502 c54x*-*-* | tic54x-*-*)
cb543528 503 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
ab50d72b 504 ;;
40d64b5a 505 cris-*-* | crisv32-*-*)
4fab7234 506 unsupported_languages="$unsupported_languages java"
40d64b5a 507 case "${target}" in
c2e0d3a9 508 *-*-aout)
4fab7234
HPN
509 unsupported_languages="$unsupported_languages f95"
510 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
c2e0d3a9 511 *-*-elf)
4fab7234 512 unsupported_languages="$unsupported_languages f95"
789ec619 513 noconfigdirs="$noconfigdirs target-boehm-gc";;
c2e0d3a9 514 *-*-linux*)
789ec619 515 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
40d64b5a 516 *)
4fab7234 517 unsupported_languages="$unsupported_languages f95"
40d64b5a
HPN
518 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
519 esac
f48a3b5c 520 ;;
25b656e7 521 crx-*-*)
370f7a47 522 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
25b656e7 523 ;;
6599da04 524 d10v-*-*)
cb543528 525 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
d207ebef
JM
526 ;;
527 d30v-*-*)
fb87ad5d 528 noconfigdirs="$noconfigdirs ${libgcj} gdb"
6599da04 529 ;;
09b5f8bf 530 fr30-*-elf*)
fb87ad5d 531 noconfigdirs="$noconfigdirs ${libgcj} gdb"
09b5f8bf 532 ;;
ee777171
DB
533 frv-*-*)
534 noconfigdirs="$noconfigdirs ${libgcj}"
ee777171 535 ;;
ab50d72b 536 h8300*-*-*)
b4117c30 537 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
ab50d72b 538 ;;
6599da04 539 h8500-*-*)
b4117c30 540 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
6599da04 541 ;;
9d069a4f 542 hppa1.1-*-osf* | hppa1.1-*-bsd* )
9d069a4f 543 ;;
cdbff0ab
AM
544 hppa*64*-*-linux* | parisc*64*-*-linux*)
545 # In this case, it's because the hppa64-linux target is for
546 # the kernel only at this point and has no libc, and thus no
547 # headers, crt*.o, etc., all of which are needed by these.
548 noconfigdirs="$noconfigdirs target-zlib"
549 ;;
3e732ba0
JDA
550 parisc*-*-linux* | hppa*-*-linux*)
551 ;;
6599da04 552 hppa*-*-*elf* | \
bae29210 553 hppa*-*-lites* | \
66350331 554 hppa*-*-openbsd* | \
bae29210 555 hppa*64*-*-*)
b1bb2302 556 noconfigdirs="$noconfigdirs ${libgcj}"
6599da04
JM
557 ;;
558 hppa*-*-*)
b2964d63
AO
559 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
560 # build on HP-UX 10.20.
561 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
d207ebef 562 ;;
fb87ad5d
HPN
563 i960-*-*)
564 noconfigdirs="$noconfigdirs ${libgcj} gdb"
565 ;;
d207ebef
JM
566 ia64*-*-elf*)
567 # No gdb support yet.
b4f96efe 568 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
d207ebef 569 ;;
ab50d72b
DD
570 ia64*-**-hpux*)
571 # No gdb or ld support yet.
b4f96efe 572 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
ab50d72b 573 ;;
9d069a4f 574 i370-*-opened*)
9d069a4f 575 ;;
f2a0e225 576 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
a393bca0 577 noconfigdirs="$noconfigdirs ${libgcj}"
6599da04 578 ;;
f2a0e225 579 i[[3456789]]86-*-linux*)
d0af82b0
HPN
580 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
581 # not build java stuff by default.
582 case "${target}" in
583 *-*-*libc1*)
584 noconfigdirs="$noconfigdirs ${libgcj}";;
585 esac
586
9a06dc7d
TF
587 # This section makes it possible to build newlib natively on linux.
588 # If we are using a cross compiler then don't configure newlib.
589 if test x${is_cross_compiler} != xno ; then
3aa83176 590 noconfigdirs="$noconfigdirs target-newlib"
9a06dc7d
TF
591 fi
592 noconfigdirs="$noconfigdirs target-libgloss"
593 # If we are not using a cross compiler, do configure newlib.
594 # Note however, that newlib will only be configured in this situation
595 # if the --with-newlib option has been given, because otherwise
596 # 'target-newlib' will appear in skipdirs.
9a06dc7d 597 ;;
f2a0e225 598 i[[3456789]]86-*-mingw32*)
d39cd7a1 599 target_configdirs="$target_configdirs target-mingw"
556f03c4 600 noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
d39cd7a1 601
5d4a5ee6 602 # Can't build gdb for mingw32 if not native.
d39cd7a1 603 case "${host}" in
f2a0e225 604 i[[3456789]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
b4f96efe 605 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl gnuserv"
d39cd7a1
MK
606 ;;
607 esac
608 ;;
d207ebef
JM
609 *-*-cygwin*)
610 target_configdirs="$target_configdirs target-libtermcap target-winsup"
556f03c4 611 noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
801e2270 612 # always build newlib if winsup directory is present.
c8e6cd41 613 if test -d "$srcdir/winsup"; then
801e2270 614 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
c8e6cd41 615 elif test -d "$srcdir/newlib"; then
801e2270
CV
616 echo "Warning: winsup is missing so newlib can't be built."
617 fi
6599da04 618
d207ebef 619 # Can't build gdb for Cygwin if not native.
6599da04 620 case "${host}" in
d207ebef 621 *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
b4f96efe 622 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl libgui gnuserv"
6599da04
JM
623 ;;
624 esac
625 ;;
9d069a4f
PB
626 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
627 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
9d069a4f 628 ;;
f2a0e225 629 i[[3456789]]86-*-pe)
556f03c4 630 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
6599da04 631 ;;
f2a0e225 632 i[[3456789]]86-*-sco3.2v5*)
6599da04
JM
633 # The linker does not yet know about weak symbols in COFF,
634 # and is not configured to handle mixed ELF and COFF.
7743113b 635 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
6599da04 636 ;;
f2a0e225 637 i[[3456789]]86-*-sco*)
7743113b 638 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
6599da04 639 ;;
f2a0e225 640 i[[3456789]]86-*-solaris2*)
7c01b2b5 641 noconfigdirs="$noconfigdirs target-libgloss"
6599da04 642 ;;
f2a0e225 643 i[[3456789]]86-*-sysv4*)
603606e7 644 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
6599da04 645 ;;
f2a0e225 646 i[[3456789]]86-*-beos*)
3aa83176
NN
647 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
648 ;;
fb87ad5d 649 m32r-*-*)
c197e306 650 noconfigdirs="$noconfigdirs ${libgcj}"
fb87ad5d 651 ;;
2b997990 652 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
cb543528 653 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
2b997990 654 ;;
d207ebef 655 m68k-*-elf*)
a393bca0 656 noconfigdirs="$noconfigdirs ${libgcj}"
d207ebef
JM
657 ;;
658 m68k-*-coff*)
a393bca0 659 noconfigdirs="$noconfigdirs ${libgcj}"
d207ebef 660 ;;
56ae9405
NC
661 mcore-*-pe*)
662 # The EPOC C++ environment does not support exceptions or rtti,
663 # and so building libstdc++-v3 tends not to always work.
664 noconfigdirs="$noconfigdirs target-libstdc++-v3"
665 ;;
d344dce9 666 mmix-*-*)
4fab7234
HPN
667 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
668 unsupported_languages="$unsupported_languages f95 java"
d344dce9 669 ;;
6599da04 670 mn10200-*-*)
7743113b 671 noconfigdirs="$noconfigdirs ${libgcj}"
6599da04
JM
672 ;;
673 mn10300-*-*)
7743113b 674 noconfigdirs="$noconfigdirs ${libgcj}"
6599da04 675 ;;
79dd769c
AH
676 ms1-*-*)
677 noconfigdirs="$noconfigdirs sim"
678 ;;
6599da04
JM
679 powerpc-*-aix*)
680 # copied from rs6000-*-* entry
bef1d700 681 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
6599da04
JM
682 ;;
683 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
684 target_configdirs="$target_configdirs target-winsup"
b4f96efe 685 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
6599da04
JM
686 # always build newlib.
687 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
688 ;;
689 # This is temporary until we can link against shared libraries
690 powerpcle-*-solaris*)
b4f96efe 691 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
6599da04 692 ;;
0da3b5a7 693 powerpc-*-beos*)
7743113b 694 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
0da3b5a7 695 ;;
d207ebef 696 powerpc-*-eabi)
556f03c4 697 noconfigdirs="$noconfigdirs ${libgcj}"
9d069a4f
PB
698 ;;
699 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
d207ebef 700 ;;
6599da04 701 rs6000-*-lynxos*)
98186934 702 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
6599da04
JM
703 ;;
704 rs6000-*-aix*)
bef1d700 705 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
6599da04
JM
706 ;;
707 rs6000-*-*)
7743113b 708 noconfigdirs="$noconfigdirs gprof ${libgcj}"
6599da04
JM
709 ;;
710 m68k-apollo-*)
7743113b 711 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
6599da04
JM
712 ;;
713 mips*-*-irix5*)
1f1d584b 714 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
6599da04
JM
715 ;;
716 mips*-*-irix6*)
b2964d63
AO
717 # Linking libjava exceeds command-line length limits on at least
718 # IRIX 6.2, but not on IRIX 6.5.
719 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
720 # <oldham@codesourcery.com>
7c005a3a 721 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
6599da04
JM
722 ;;
723 mips*-dec-bsd*)
7743113b 724 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
6599da04
JM
725 ;;
726 mips*-*-bsd*)
7743113b 727 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
6599da04 728 ;;
5d4a5ee6 729 mipstx39-*-*)
7743113b 730 noconfigdirs="$noconfigdirs gprof ${libgcj}" # same as generic mips
3aa83176 731 ;;
d0fe5ad3
RS
732 mips64*-*-linux*)
733 noconfigdirs="$noconfigdirs target-newlib ${libgcj}"
734 ;;
9bec4bf0 735 mips*-*-linux*)
c01d477a 736 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
9bec4bf0 737 ;;
6599da04 738 mips*-*-*)
7743113b 739 noconfigdirs="$noconfigdirs gprof ${libgcj}"
6599da04
JM
740 ;;
741 romp-*-*)
7743113b 742 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
6599da04 743 ;;
669f01d8 744 sh-*-* | sh64-*-*)
6599da04 745 case "${host}" in
f2a0e225
KC
746 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
747 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
748 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
6599da04
JM
749 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
750 esac
7743113b 751 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
6599da04 752 ;;
5d4a5ee6 753 sparc-*-elf*)
9e847666 754 noconfigdirs="$noconfigdirs ${libgcj}"
5d4a5ee6
JL
755 ;;
756 sparc64-*-elf*)
9e847666 757 noconfigdirs="$noconfigdirs ${libgcj}"
5d4a5ee6 758 ;;
d207ebef 759 sparclite-*-*)
b1bb2302 760 noconfigdirs="$noconfigdirs ${libgcj}"
5d4a5ee6 761 ;;
6599da04 762 sparc-*-sunos4*)
a393bca0 763 noconfigdirs="$noconfigdirs ${libgcj}"
aeaa0f2f 764 if test x${is_cross_compiler} != xno ; then
e1da1089 765 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
6599da04
JM
766 else
767 use_gnu_ld=no
768 fi
769 ;;
bba5e0ca
EB
770 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
771 noconfigdirs="$noconfigdirs ${libgcj}"
772 ;;
b7c13625 773 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
1ace7e15 774 ;;
6599da04 775 v810-*-*)
cb543528 776 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
6599da04 777 ;;
5d4a5ee6 778 v850-*-*)
7743113b 779 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
5d4a5ee6 780 ;;
d207ebef 781 v850e-*-*)
7743113b 782 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
d207ebef
JM
783 ;;
784 v850ea-*-*)
7743113b 785 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
d207ebef 786 ;;
6599da04 787 vax-*-vms)
7743113b 788 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
6599da04
JM
789 ;;
790 vax-*-*)
7743113b 791 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
6599da04 792 ;;
0d4f1b4e
BW
793 xtensa-*-*)
794 noconfigdirs="$noconfigdirs ${libgcj}"
795 ;;
b03bcd37 796 ip2k-*-*)
cb543528 797 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
b03bcd37 798 ;;
c3f84f61 799 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
c01d477a
AM
800 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
801 ;;
6599da04 802 *-*-lynxos*)
7743113b 803 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
6599da04 804 ;;
41dfe3a2 805 *-*-*)
a393bca0 806 noconfigdirs="$noconfigdirs ${libgcj}"
41dfe3a2 807 ;;
6599da04
JM
808esac
809
6599da04
JM
810# If we aren't building newlib, then don't build libgloss, since libgloss
811# depends upon some newlib header files.
812case "${noconfigdirs}" in
813 *target-libgloss*) ;;
814 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
55380b08 815esac
6599da04 816
55380b08
NN
817# Work in distributions that contain no compiler tools, like Autoconf.
818tentative_cc=""
671aa708 819host_makefile_frag=/dev/null
55380b08
NN
820if test -d ${srcdir}/config ; then
821case "${host}" in
822 m68k-hp-hpux*)
823 # Avoid "too much defining" errors from HPUX compiler.
824 tentative_cc="cc -Wp,-H256000"
671aa708
NN
825 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
826 # If it's HP/UX ar, this should be harmless.
827 RANLIB="ar ts"
55380b08
NN
828 ;;
829 m68k-apollo-sysv*)
830 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
55380b08
NN
831 ;;
832 m68k-apollo-bsd*)
833 #None of the Apollo compilers can compile gas or binutils. The preprocessor
834 # chokes on bfd, the compiler won't let you assign integers to enums, and
835 # other problems. Defining CC to gcc is a questionable way to say "don't use
836 # the apollo compiler" (the preferred version of GCC could be called cc,
837 # or whatever), but I'm not sure leaving CC as cc is any better...
838 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
671aa708 839 # Used to have BISON=yacc.
55380b08 840 tentative_cc=gcc
55380b08
NN
841 ;;
842 m88k-dg-dgux*)
843 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
55380b08
NN
844 ;;
845 m88k-harris-cxux*)
846 # Under CX/UX, we want to tell the compiler to use ANSI mode.
847 tentative_cc="cc -Xa"
848 host_makefile_frag="config/mh-cxux"
849 ;;
850 m88k-motorola-sysv*)
55380b08
NN
851 ;;
852 mips*-dec-ultrix*)
853 tentative_cc="cc -Wf,-XNg1000"
854 host_makefile_frag="config/mh-decstation"
855 ;;
856 mips*-nec-sysv4*)
857 # The C compiler on NEC MIPS SVR4 needs bigger tables.
858 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
859 host_makefile_frag="config/mh-necv4"
860 ;;
55380b08
NN
861 mips*-sgi-irix4*)
862 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
863 # environment. Also bump switch table size so that cp-parse will
864 # compile. Bump string length limit so linker builds.
865 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
866 ;;
55380b08
NN
867 mips*-*-sysv4*)
868 host_makefile_frag="config/mh-sysv4"
869 ;;
870 mips*-*-sysv*)
871 # This is for a MIPS running RISC/os 4.52C.
872
873 # This is needed for GDB, but needs to be in the top-level make because
874 # if a library is compiled with the bsd headers and gets linked with the
875 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
876 # a different size).
877 # ptrace(2) apparently has problems in the BSD environment. No workaround is
878 # known except to select the sysv environment. Could we use /proc instead?
879 # These "sysv environments" and "bsd environments" often end up being a pain.
880 #
881 # This is not part of CFLAGS because perhaps not all C compilers have this
882 # option.
883 tentative_cc="cc -systype sysv"
55380b08
NN
884 ;;
885 i370-ibm-opened*)
886 tentative_cc="c89"
55380b08 887 ;;
f2a0e225 888 i[[3456789]]86-*-sysv5*)
55380b08
NN
889 host_makefile_frag="config/mh-sysv5"
890 ;;
f2a0e225 891 i[[3456789]]86-*-dgux*)
55380b08
NN
892 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
893 host_makefile_frag="config/mh-dgux386"
894 ;;
f2a0e225 895 i[[3456789]]86-ncr-sysv4.3*)
55380b08
NN
896 # The MetaWare compiler will generate a copyright message unless you
897 # turn it off by adding the -Hnocopyr flag.
898 tentative_cc="cc -Hnocopyr"
55380b08 899 ;;
f2a0e225 900 i[[3456789]]86-ncr-sysv4*)
55380b08
NN
901 # for an NCR 3000 (i486/SVR4) system.
902 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
903 # This compiler not only emits obnoxious copyright messages every time
904 # you run it, but it chokes and dies on a whole bunch of GNU source
905 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
906 tentative_cc="/usr/ccs/ATT/cc"
907 host_makefile_frag="config/mh-ncr3000"
908 ;;
f2a0e225 909 i[[3456789]]86-*-sco3.2v5*)
55380b08 910 ;;
f2a0e225 911 i[[3456789]]86-*-sco*)
55380b08
NN
912 # The native C compiler botches some simple uses of const. Unfortunately,
913 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
914 tentative_cc="cc -Dconst="
915 host_makefile_frag="config/mh-sco"
916 ;;
f2a0e225 917 i[[3456789]]86-*-udk*)
55380b08
NN
918 host_makefile_frag="config/mh-sysv5"
919 ;;
f2a0e225 920 i[[3456789]]86-*-solaris2*)
55380b08
NN
921 host_makefile_frag="config/mh-sysv4"
922 ;;
f2a0e225 923 i[[3456789]]86-*-msdosdjgpp*)
55380b08
NN
924 host_makefile_frag="config/mh-djgpp"
925 ;;
926 *-cygwin*)
927 host_makefile_frag="config/mh-cygwin"
928 ;;
929 *-mingw32*)
55380b08
NN
930 ;;
931 *-interix*)
932 host_makefile_frag="config/mh-interix"
933 ;;
934 vax-*-ultrix2*)
935 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
936 tentative_cc=gcc
937 ;;
938 *-*-solaris2*)
939 host_makefile_frag="config/mh-solaris"
940 ;;
941 m68k-sun-sunos*)
942 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
943 # without overflowing the jump tables (-J says to use a 32 bit table)
944 tentative_cc="cc -J"
945 ;;
55380b08
NN
946 *-hp-hpux*)
947 tentative_cc="cc -Wp,-H256000"
55380b08
NN
948 ;;
949 *-*-hiux*)
950 tentative_cc="cc -Wp,-H256000"
55380b08
NN
951 ;;
952 rs6000-*-lynxos*)
953 # /bin/cc is less than useful for our purposes. Always use GCC
954 tentative_cc="/usr/cygnus/progressive/bin/gcc"
955 host_makefile_frag="config/mh-lynxrs6k"
956 ;;
45f366ab 957 powerpc-*-darwin*)
be8fff81
RB
958 host_makefile_frag="config/mh-ppc-darwin"
959 ;;
55380b08
NN
960 *-*-lynxos*)
961 # /bin/cc is less than useful for our purposes. Always use GCC
962 tentative_cc="/bin/gcc"
963 ;;
964 *-*-sysv4*)
965 host_makefile_frag="config/mh-sysv4"
966 ;;
95c53c62
RS
967 # This is placed last to prevent interfering with the cases above.
968 i[[3456789]]86-*-*)
969 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
970 host_makefile_frag="config/mh-x86omitfp"
971 ;;
55380b08
NN
972esac
973fi
974
e4c9c075
PB
975# If we aren't going to be using gcc, see if we can extract a definition
976# of CC from the fragment.
977# Actually, use the 'pre-extracted' version above.
978if test -z "${CC}" && test "${build}" = "${host}" ; then
979 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
980 found=
981 for dir in $PATH; do
982 test -z "$dir" && dir=.
983 if test -f $dir/gcc; then
984 found=yes
985 break
986 fi
987 done
988 IFS="$save_ifs"
989 if test -z "${found}" && test -n "${tentative_cc}" ; then
990 CC=$tentative_cc
991 fi
992fi
993
994if test "${build}" != "${host}" ; then
995 # If we are doing a Canadian Cross, in which the host and build systems
996 # are not the same, we set reasonable default values for the tools.
997
e4c9c075
PB
998 CC=${CC-${host_alias}-gcc}
999 CFLAGS=${CFLAGS-"-g -O2"}
1000 CXX=${CXX-${host_alias}-c++}
1001 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1002 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1003 CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
1004 CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
1005 GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
1006 GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
1007 BUILD_PREFIX=${build_alias}-
1008 BUILD_PREFIX_1=${build_alias}-
e4c9c075
PB
1009
1010else
1011 # Set reasonable default values for some tools even if not Canadian.
1012 # Of course, these are different reasonable default values, originally
1013 # specified directly in the Makefile.
1014 # We don't export, so that autoconf can do its job.
1015 # Note that all these settings are above the fragment inclusion point
1016 # in Makefile.in, so can still be overridden by fragments.
1017 # This is all going to change when we autoconfiscate...
1018
e4c9c075
PB
1019 CC_FOR_BUILD="\$(CC)"
1020 GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
1021 BUILD_PREFIX=
1022 BUILD_PREFIX_1=loser-
23f6b2f9
PB
1023
1024 AC_PROG_CC
e4c9c075
PB
1025
1026 # We must set the default linker to the linker used by gcc for the correct
1027 # operation of libtool. If LD is not defined and we are using gcc, try to
1028 # set the LD default to the ld used by gcc.
1029 if test -z "$LD"; then
23f6b2f9 1030 if test "$GCC" = yes; then
e4c9c075
PB
1031 case $build in
1032 *-*-mingw*)
1033 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1034 *)
1035 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1036 esac
1037 case $gcc_prog_ld in
1038 # Accept absolute paths.
1039 [[\\/]* | [A-Za-z]:[\\/]*)]
1040 LD="$gcc_prog_ld" ;;
1041 esac
1042 fi
1043 fi
1044
1045 CXX=${CXX-"c++"}
1046 CFLAGS=${CFLAGS-"-g"}
1047 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1048fi
1049
1050ACX_PROG_GNAT
a76494aa 1051ACX_PROG_CMP_IGNORE_INITIAL
e4c9c075 1052
bebf829d 1053# Check for GMP and MPFR
6de9cd9a
DN
1054gmplibs=
1055gmpinc=
1056have_gmp=yes
bebf829d
PB
1057# Specify a location for mpfr
1058# check for this first so it ends up on the link line before gmp.
1059AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH Specify source directory for MPFR library])
1060
1061if test "x$with_mpfr_dir" != x; then
68193f9b 1062 gmpinc="-I$with_mpfr_dir"
bebf829d
PB
1063 gmplibs="$with_mpfr_dir/libmpfr.a"
1064else
1065 gmplibs="-lmpfr"
1066fi
1067
1068AC_ARG_WITH(mpfr, [ --with-mpfr=PATH Specify directory for installed MPFR library])
1069
1070if test "x$with_mpfr" != x; then
1071 gmplibs="-L$with_mpfr/lib $gmplibs"
1072 gmpinc="-I$with_mpfr/include"
1073fi
1074
6de9cd9a
DN
1075# Specify a location for gmp
1076AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH Specify source directory for GMP library])
1077
bebf829d
PB
1078if test "x$with_gmp_dir" != x; then
1079 gmpinc="$gmpinc -I$with_gmp_dir"
6de9cd9a 1080 if test -f "$with_gmp_dir/.libs/libgmp.a"; then
bebf829d 1081 gmplibs="$gmplibs $with_gmp_dir/.libs/libgmp.a"
6de9cd9a 1082 elif test -f "$with_gmp_dir/_libs/libgmp.a"; then
bebf829d 1083 gmplibs="$gmplibs $with_gmp_dir/_libs/libgmp.a"
6de9cd9a
DN
1084 fi
1085 # One of the later tests will catch the error if neither library is present.
bebf829d
PB
1086else
1087 gmplibs="$gmplibs -lgmp"
6de9cd9a
DN
1088fi
1089
1090AC_ARG_WITH(gmp, [ --with-gmp=PATH Specify directory for installed GMP library])
1091
bebf829d
PB
1092if test "x$with_gmp" != x; then
1093 gmplibs="-L$with_gmp/lib $gmplibs"
1094 gmpinc="-I$with_gmp/include $gmpinc"
6de9cd9a
DN
1095fi
1096
1097saved_CFLAGS="$CFLAGS"
1098CFLAGS="$CFLAGS $gmpinc"
1099# Check GMP actually works
1100AC_MSG_CHECKING([for correct version of gmp.h])
1101AC_TRY_COMPILE([#include "gmp.h"],[
1102#if __GNU_MP_VERSION < 3
1103choke me
1104#endif
1105], [AC_MSG_RESULT([yes])],
1106 [AC_MSG_RESULT([no]); have_gmp=no])
1107
1108if test x"$have_gmp" = xyes; then
bebf829d 1109 AC_MSG_CHECKING([for MPFR])
6de9cd9a
DN
1110
1111 saved_LIBS="$LIBS"
1112 LIBS="$LIBS $gmplibs"
bebf829d
PB
1113 AC_TRY_LINK([#include <gmp.h>
1114#include <mpfr.h>], [mpfr_t n; mpfr_init(n);],
6de9cd9a
DN
1115 [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1116 LIBS="$saved_LIBS"
1117 CFLAGS="$saved_CFLAGS"
1118fi
1119
bebf829d 1120# Flags needed for both GMP and/or MPFR
6de9cd9a
DN
1121AC_SUBST(gmplibs)
1122AC_SUBST(gmpinc)
1123
1e0f07d3 1124# By default, C is the only stage 1 language.
2805b53a
NN
1125stage1_languages=c
1126AC_SUBST(stage1_languages)
1127
e4c9c075
PB
1128# Figure out what language subdirectories are present.
1129# Look if the user specified --enable-languages="..."; if not, use
1130# the environment variable $LANGUAGES if defined. $LANGUAGES might
1131# go away some day.
1132# NB: embedded tabs in this IF block -- do not untabify
1133if test -d ${srcdir}/gcc; then
1134 if test x"${enable_languages+set}" != xset; then
1135 if test x"${LANGUAGES+set}" = xset; then
1136 enable_languages="${LANGUAGES}"
1137 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1138 else
1139 enable_languages=all
1140 fi
1141 else
1142 if test x"${enable_languages}" = x ||
1143 test x"${enable_languages}" = xyes;
1144 then
1145 echo configure.in: --enable-languages needs at least one language argument 1>&2
1146 exit 1
1147 fi
1148 fi
1149 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1150
1151 # First scan to see if an enabled language requires some other language.
1152 # We assume that a given config-lang.in will list all the language
1153 # front ends it requires, even if some are required indirectly.
1154 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1155 case ${lang_frag} in
1156 ..) ;;
1157 # The odd quoting in the next line works around
1158 # an apparent bug in bash 1.12 on linux.
1159 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1160 *)
1161 # From the config-lang.in, get $language, $lang_requires
1162 language=
1163 lang_requires=
1164 . ${lang_frag}
1165 for other in ${lang_requires} ; do
1166 case ,${enable_languages}, in
1167 *,$other,*) ;;
1168 *,all,*) ;;
1169 *,$language,*)
1170 echo " \`$other' language required by \`$language'; enabling" 1>&2
1171 enable_languages="${enable_languages},${other}"
1172 ;;
1173 esac
1174 done
1175 ;;
1176 esac
1177 done
1178
1179 new_enable_languages=c
1180 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
9c71a529 1181 potential_languages=c
e4c9c075
PB
1182
1183 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1184 case ${lang_frag} in
1185 ..) ;;
1186 # The odd quoting in the next line works around
1187 # an apparent bug in bash 1.12 on linux.
1188 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1189 *)
1190 # From the config-lang.in, get $language, $target_libs,
2805b53a 1191 # $lang_dirs, $boot_language, and $build_by_default
e4c9c075
PB
1192 language=
1193 target_libs=
1194 lang_dirs=
2805b53a 1195 boot_language=
e4c9c075 1196 build_by_default=
9c71a529 1197 need_gmp=
e4c9c075 1198 . ${lang_frag}
9c71a529 1199 potential_languages="${potential_languages},${language}"
e4c9c075
PB
1200 # This is quite sensitive to the ordering of the case statement arms.
1201 case ,${enable_languages},:${language}:${have_gnat}:${build_by_default} in
1202 *::*:*)
1203 echo "${lang_frag} doesn't set \$language." 1>&2
1204 exit 1
9c71a529 1205 ;;
e4c9c075
PB
1206 *:ada:no:*)
1207 # Ada was requested with no preexisting GNAT. Disable unconditionally.
1208 add_this_lang=no
1209 ;;
1210 *,${language},*:*:*:*)
1211 # Language was explicitly selected; include it.
1212 add_this_lang=yes
1213 ;;
1214 *,all,*:*:*:no)
1215 # 'all' was selected, but this is not a default language
9c71a529 1216 # so do not include it.
e4c9c075 1217 add_this_lang=no
9c71a529 1218 ;;
e4c9c075
PB
1219 *,all,*:*:*:*)
1220 # 'all' was selected and this is a default language; include it.
1221 add_this_lang=yes
1222 ;;
1223 *)
1224 add_this_lang=no
1225 ;;
1226 esac
6de9cd9a 1227
ce7cbbb0
PE
1228 # Disable languages that need GMP if it isn't available.
1229 case ,${enable_languages},:${have_gmp}:${need_gmp} in
1230 *,${language},*:no:yes)
1231 # Specifically requested language; tell them.
1232 AC_MSG_ERROR([GMP with MPFR support is required to build $language])
1233 ;;
1234 *:no:yes)
1235 # Silently disable.
1236 add_this_lang=no
1237 ;;
1238 esac
4fab7234
HPN
1239
1240 # Disable a language that is unsupported by the target.
1241 case " $unsupported_languages " in
1242 *" $language "*)
1243 add_this_lang=no
1244 ;;
1245 esac
1246
6de9cd9a 1247 case $add_this_lang in
e4c9c075
PB
1248 no)
1249 # Remove language-dependent dirs.
2805b53a
NN
1250 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1251 ;;
e4c9c075
PB
1252 *)
1253 new_enable_languages="$new_enable_languages,$language"
2805b53a
NN
1254 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1255 case ${boot_language} in
1256 yes)
340de83f
NN
1257 # Add to (comma-separated) list of stage 1 languages.
1258 stage1_languages="${stage1_languages},${language}"
2805b53a
NN
1259 ;;
1260 esac
1261 ;;
e4c9c075
PB
1262 esac
1263 ;;
1264 esac
1265 done
1266
79b4b7d2 1267 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
e4c9c075
PB
1268 if test "x$missing_languages" != x; then
1269 AC_MSG_ERROR([
0cf085e4
PB
1270The following requested languages could not be built: ${missing_languages}
1271Recognised languages are: ${potential_languages}])
e4c9c075
PB
1272 fi
1273
1274 if test "x$new_enable_languages" != "x$enable_languages"; then
1275 echo The following languages will be built: ${new_enable_languages}
1276 fi
1277 enable_languages="$new_enable_languages"
6bbec498 1278 ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
e4c9c075
PB
1279fi
1280
9d069a4f
PB
1281# Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1282# $build_configdirs and $target_configdirs.
e4c9c075
PB
1283# If we have the source for $noconfigdirs entries, add them to $notsupp.
1284
1285notsupp=""
1286for dir in . $skipdirs $noconfigdirs ; do
9d069a4f 1287 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
e4c9c075
PB
1288 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1289 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1290 if test -r $srcdir/$dirname/configure ; then
1291 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1292 true
1293 else
1294 notsupp="$notsupp $dir"
1295 fi
1296 fi
1297 fi
9d069a4f
PB
1298 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1299 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1300 if test -r $srcdir/$dirname/configure ; then
1301 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1302 true
1303 else
1304 notsupp="$notsupp $dir"
1305 fi
1306 fi
1307 fi
e4c9c075
PB
1308 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1309 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1310 if test -r $srcdir/$dirname/configure ; then
1311 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1312 true
1313 else
1314 notsupp="$notsupp $dir"
1315 fi
1316 fi
1317 fi
1318done
1319
1320# Sometimes the tools are distributed with libiberty but with no other
1321# libraries. In that case, we don't want to build target-libiberty.
1322if test -n "${target_configdirs}" ; then
1323 others=
1324 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1325 if test "$i" != "libiberty" ; then
1326 if test -r $srcdir/$i/configure ; then
1327 others=yes;
1328 break;
1329 fi
1330 fi
1331 done
1332 if test -z "${others}" ; then
1333 target_configdirs=
1334 fi
1335fi
1336
1337# Quietly strip out all directories which aren't configurable in this tree.
1338# This relies on all configurable subdirectories being autoconfiscated, which
1339# is now the case.
23f6b2f9
PB
1340build_configdirs_all="$build_configdirs"
1341build_configdirs=
1342for i in ${build_configdirs_all} ; do
1343 j=`echo $i | sed -e s/build-//g`
1344 if test -f ${srcdir}/$j/configure ; then
1345 build_configdirs="${build_configdirs} $i"
1346 fi
1347done
1348
e4c9c075
PB
1349configdirs_all="$configdirs"
1350configdirs=
1351for i in ${configdirs_all} ; do
1352 if test -f ${srcdir}/$i/configure ; then
1353 configdirs="${configdirs} $i"
1354 fi
1355done
23f6b2f9 1356
e4c9c075
PB
1357target_configdirs_all="$target_configdirs"
1358target_configdirs=
1359for i in ${target_configdirs_all} ; do
1360 j=`echo $i | sed -e s/target-//g`
1361 if test -f ${srcdir}/$j/configure ; then
1362 target_configdirs="${target_configdirs} $i"
1363 fi
1364done
1365
1366# Produce a warning message for the subdirs we can't configure.
1367# This isn't especially interesting in the Cygnus tree, but in the individual
1368# FSF releases, it's important to let people know when their machine isn't
1369# supported by the one or two programs in a package.
1370
1371if test -n "${notsupp}" && test -z "${norecursion}" ; then
1372 # If $appdirs is non-empty, at least one of those directories must still
1373 # be configured, or we error out. (E.g., if the gas release supports a
1374 # specified target in some subdirs but not the gas subdir, we shouldn't
1375 # pretend that all is well.)
1376 if test -n "$appdirs" ; then
1377 for dir in $appdirs ; do
1378 if test -r $dir/Makefile.in ; then
1379 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1380 appdirs=""
1381 break
1382 fi
23f6b2f9 1383 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
e4c9c075
PB
1384 appdirs=""
1385 break
1386 fi
1387 fi
1388 done
1389 if test -n "$appdirs" ; then
1390 echo "*** This configuration is not supported by this package." 1>&2
1391 exit 1
1392 fi
1393 fi
1394 # Okay, some application will build, or we don't care to check. Still
1395 # notify of subdirs not getting built.
1396 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1397 echo " ${notsupp}" 1>&2
1398 echo " (Any other directories should still work fine.)" 1>&2
1399fi
1400
1401case "$host" in
1402 *msdosdjgpp*)
1403 enable_gdbtk=no ;;
1404esac
1405
1406copy_dirs=
1407
1408# Handle --with-headers=XXX. If the value is not "yes", the contents of
1409# the named directory are copied to $(tooldir)/sys-include.
1410if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1411 if test x${is_cross_compiler} = xno ; then
1412 echo 1>&2 '***' --with-headers is only supported when cross compiling
1413 exit 1
1414 fi
1415 if test x"${with_headers}" != xyes ; then
1416 case "${exec_prefixoption}" in
1417 "") x=${prefix} ;;
1418 *) x=${exec_prefix} ;;
1419 esac
1420 copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
1421 fi
1422fi
1423
1424# Handle --with-libs=XXX. If the value is not "yes", the contents of
1425# the name directories are copied to $(tooldir)/lib. Multiple directories
1426# are permitted.
1427if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1428 if test x${is_cross_compiler} = xno ; then
1429 echo 1>&2 '***' --with-libs is only supported when cross compiling
1430 exit 1
1431 fi
1432 if test x"${with_libs}" != xyes ; then
1433 # Copy the libraries in reverse order, so that files in the first named
1434 # library override files in subsequent libraries.
1435 case "${exec_prefixoption}" in
1436 "") x=${prefix} ;;
1437 *) x=${exec_prefix} ;;
1438 esac
1439 for l in ${with_libs}; do
1440 copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
1441 done
1442 fi
1443fi
1444
1445# Handle ${copy_dirs}
1446set fnord ${copy_dirs}
1447shift
1448while test $# != 0 ; do
1449 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1450 :
1451 else
1452 echo Copying $1 to $2
1453
1454 # Use the install script to create the directory and all required
1455 # parent directories.
1456 if test -d $2 ; then
1457 :
1458 else
1459 echo >config.temp
1460 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1461 fi
1462
1463 # Copy the directory, assuming we have tar.
1464 # FIXME: Should we use B in the second tar? Not all systems support it.
1465 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1466
1467 # It is the responsibility of the user to correctly adjust all
1468 # symlinks. If somebody can figure out how to handle them correctly
1469 # here, feel free to add the code.
1470
1471 echo $1 > $2/COPIED
1472 fi
1473 shift; shift
1474done
1475
4977bab6
ZW
1476extra_arflags_for_target=
1477extra_nmflags_for_target=
2a726918 1478extra_ranlibflags_for_target=
671aa708 1479target_makefile_frag=/dev/null
55380b08 1480case "${target}" in
61fec9ff 1481 *-*-netware*)
c3b7d169 1482 target_makefile_frag="config/mt-netware"
55380b08 1483 ;;
98a5bb3b
RM
1484 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
1485 target_makefile_frag="config/mt-gnu"
55380b08 1486 ;;
671aa708 1487 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
4977bab6
ZW
1488 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1489 # commands to handle both 32-bit and 64-bit objects. These flags are
1490 # harmless if we're using GNU nm or ar.
1491 extra_arflags_for_target=" -X32_64"
1492 extra_nmflags_for_target=" -B -X32_64"
55380b08 1493 ;;
2a726918
GK
1494 *-*-darwin*)
1495 # ranlib from Darwin requires the -c flag to look at common symbols.
1496 extra_ranlibflags_for_target=" -c"
1497 ;;
55380b08 1498 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
c3b7d169
NN
1499 target_makefile_frag="config/mt-wince"
1500 ;;
1501esac
1502
671aa708 1503alphaieee_frag=/dev/null
c3b7d169
NN
1504case $target in
1505 alpha*-*-*)
1506 # This just makes sure to use the -mieee option to build target libs.
1507 # This should probably be set individually by each library.
1508 alphaieee_frag="config/mt-alphaieee"
55380b08
NN
1509 ;;
1510esac
701afd4d 1511
55380b08
NN
1512# If --enable-target-optspace always use -Os instead of -O2 to build
1513# the target libraries, similarly if it is not specified, use -Os
1514# on selected platforms.
671aa708 1515ospace_frag=/dev/null
55380b08
NN
1516case "${enable_target_optspace}:${target}" in
1517 yes:*)
c3b7d169 1518 ospace_frag="config/mt-ospace"
55380b08
NN
1519 ;;
1520 :d30v-*)
c3b7d169 1521 ospace_frag="config/mt-d30v"
55380b08
NN
1522 ;;
1523 :m32r-* | :d10v-* | :fr30-*)
c3b7d169 1524 ospace_frag="config/mt-ospace"
55380b08
NN
1525 ;;
1526 no:* | :*)
1527 ;;
1528 *)
1529 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1530 ;;
1531esac
6599da04 1532
6599da04
JM
1533# Set with_gnu_as and with_gnu_ld as appropriate.
1534#
1535# This is done by determining whether or not the appropriate directory
1536# is available, and by checking whether or not specific configurations
1537# have requested that this magic not happen.
1538#
1539# The command line options always override the explicit settings in
1540# configure.in, and the settings in configure.in override this magic.
1541#
1542# If the default for a toolchain is to use GNU as and ld, and you don't
1543# want to do that, then you should use the --without-gnu-as and
1544# --without-gnu-ld options for the configure script.
1545
55380b08
NN
1546if test x${use_gnu_as} = x &&
1547 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1548 with_gnu_as=yes
4977bab6 1549 extra_host_args="$extra_host_args --with-gnu-as"
6599da04
JM
1550fi
1551
55380b08
NN
1552if test x${use_gnu_ld} = x &&
1553 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1554 with_gnu_ld=yes
4977bab6 1555 extra_host_args="$extra_host_args --with-gnu-ld"
6599da04
JM
1556fi
1557
4977bab6 1558# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
6599da04
JM
1559# can detect this case.
1560
55380b08 1561if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
6599da04 1562 with_newlib=yes
4977bab6 1563 extra_host_args="$extra_host_args --with-newlib"
6599da04
JM
1564fi
1565
55380b08
NN
1566# Default to using --with-stabs for certain targets.
1567if test x${with_stabs} = x ; then
1568 case "${target}" in
89a95129 1569 mips*-*-irix[[56]]*)
55380b08
NN
1570 ;;
1571 mips*-*-* | alpha*-*-osf*)
1572 with_stabs=yes;
4977bab6 1573 extra_host_args="${extra_host_args} --with-stabs"
55380b08
NN
1574 ;;
1575 esac
1576fi
1577
1578# hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1579# them automatically.
1580case "${host}" in
1581 hppa*64*-*-hpux11*)
4977bab6 1582 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
55380b08 1583 ;;
6cdef75d
NN
1584esac
1585
671aa708
NN
1586# Some systems (e.g., one of the i386-aix systems the gas testers are
1587# using) don't handle "\$" correctly, so don't use it here.
df445104 1588tooldir='${exec_prefix}'/${target_alias}
671aa708
NN
1589build_tooldir=${tooldir}
1590
23f6b2f9
PB
1591# Generate default definitions for YACC, M4, LEX and other programs that run
1592# on the build machine. These are used if the Makefile can't locate these
1593# programs in objdir.
1e0f07d3 1594MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
23f6b2f9
PB
1595AC_CHECK_PROGS([CONFIGURED_BISON], [bison], [$MISSING bison])
1596AC_CHECK_PROGS([CONFIGURED_YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
1597AC_CHECK_PROGS([CONFIGURED_M4], [gm4 gnum4 m4], [$MISSING m4])
1598AC_CHECK_PROGS([CONFIGURED_FLEX], [flex], [$MISSING flex])
1599AC_CHECK_PROGS([CONFIGURED_LEX], [flex lex], [$MISSING flex])
1600AC_CHECK_PROGS([CONFIGURED_MAKEINFO], makeinfo, [$MISSING makeinfo])
671aa708 1601
671aa708
NN
1602# Create a .gdbinit file which runs the one in srcdir
1603# and tells GDB to look there for source files.
1604
1605if test -r ${srcdir}/.gdbinit ; then
1606 case ${srcdir} in
1607 .) ;;
1608 *) cat > ./.gdbinit <<EOF
1609# ${NO_EDIT}
1610dir ${srcdir}
1611dir .
1612source ${srcdir}/.gdbinit
1613EOF
1614 ;;
1615 esac
1616fi
1617
6599da04
JM
1618# Make sure that the compiler is able to generate an executable. If it
1619# can't, we are probably in trouble. We don't care whether we can run the
1620# executable--we might be using a cross compiler--we only care whether it
1621# can be created. At this point the main configure script has set CC.
aeaa0f2f 1622we_are_ok=no
6599da04
JM
1623echo "int main () { return 0; }" > conftest.c
1624${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
aeaa0f2f
NN
1625if test $? = 0 ; then
1626 if test -s conftest || test -s conftest.exe ; then
1627 we_are_ok=yes
1628 fi
1629fi
1630case $we_are_ok in
1631 no)
1632 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1633 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1634 rm -f conftest*
1635 exit 1
1636 ;;
1637esac
6599da04
JM
1638rm -f conftest*
1639
1640# The Solaris /usr/ucb/cc compiler does not appear to work.
1641case "${host}" in
1642 sparc-sun-solaris2*)
1643 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
671aa708 1644 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
6599da04 1645 could_use=
aeaa0f2f
NN
1646 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1647 if test -d /opt/cygnus/bin ; then
1648 if test "$could_use" = "" ; then
6599da04
JM
1649 could_use="/opt/cygnus/bin"
1650 else
1651 could_use="$could_use or /opt/cygnus/bin"
1652 fi
1653 fi
aeaa0f2f 1654 if test "$could_use" = "" ; then
6599da04
JM
1655 echo "Warning: compilation may fail because you're using"
1656 echo "/usr/ucb/cc. You should change your PATH or CC "
1657 echo "variable and rerun configure."
1658 else
1659 echo "Warning: compilation may fail because you're using"
1660 echo "/usr/ucb/cc, when you should use the C compiler from"
1661 echo "$could_use. You should change your"
1662 echo "PATH or CC variable and rerun configure."
1663 fi
1664 fi
1665 ;;
1666esac
1667
fe3d5b7f
NN
1668case "${host}" in
1669 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
256f7136 1670 *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
fe3d5b7f
NN
1671 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1672esac
fe3d5b7f 1673
4977bab6
ZW
1674# Record target_configdirs and the configure arguments for target and
1675# build configuration in Makefile.
1676target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
23f6b2f9 1677build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
4977bab6 1678
4977bab6
ZW
1679# Determine whether gdb needs tk/tcl or not.
1680# Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1681# and in that case we want gdb to be built without tk. Ugh!
1682# In fact I believe gdb is the *only* package directly dependent on tk,
1683# so we should be able to put the 'maybe's in unconditionally and
1684# leave out the maybe dependencies when enable_gdbtk is false. I'm not
1685# 100% sure that that's safe though.
e914a571 1686
b4f96efe 1687gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
4977bab6
ZW
1688case "$enable_gdbtk" in
1689 no)
1690 GDB_TK="" ;;
e914a571
AC
1691 yes)
1692 GDB_TK="${gdb_tk}" ;;
4977bab6 1693 *)
e914a571
AC
1694 # Only add the dependency on gdbtk when GDBtk is part of the gdb
1695 # distro. Eventually someone will fix this and move Insight, nee
1696 # gdbtk to a separate directory.
1697 if test -d ${srcdir}/gdb/gdbtk ; then
1698 GDB_TK="${gdb_tk}"
1699 else
1700 GDB_TK=""
1701 fi
1702 ;;
4977bab6
ZW
1703esac
1704
60975492 1705# Strip out unwanted targets.
8b87bb96
NN
1706
1707# While at that, we remove Makefiles if we were started for recursive
1708# configuration, so that the top-level Makefile reconfigures them,
1709# like we used to do when configure itself was recursive.
8b87bb96 1710
60975492
PB
1711# Loop over modules. $extrasub must be used with care, limiting as
1712# much as possible the usage of range addresses. That's because autoconf
1713# splits the sed script to overcome limits in the number of commands,
1714# and relying on carefully-timed sed passes may turn out to be very hard
1715# to maintain later. In this particular case, you just have to be careful
1716# not to nest @if/@endif pairs, because configure will not warn you at all.
8b87bb96 1717
5607edfd 1718AC_ARG_ENABLE([bootstrap],
ce521a9c
PB
1719[ --enable-bootstrap[=lean] Enable bootstrapping [no]],,
1720enable_bootstrap=default)
5607edfd 1721
ce521a9c
PB
1722# Issue errors and warnings for invalid/strange bootstrap combinations.
1723case "$configdirs" in
1724 *gcc*) have_compiler=yes ;;
1725 *) have_compiler=no ;;
1726esac
1727
1728case "$have_compiler:$host:$target:$enable_bootstrap" in
1729 *:*:*:no) ;;
1730
1731 # Default behavior. (We'll) enable bootstrap if we have a compiler
1732 # and we are in a native configuration.
1733 yes:$build:$build:default)
1734 # This will become 'yes'
1735 enable_bootstrap=no ;;
1736
1737 *:*:*:default)
1738 enable_bootstrap=no ;;
1739
1740 # We have a compiler and we are in a native configuration, bootstrap is ok
1741 yes:$build:$build:yes | yes:$build:$build:lean)
1742 ;;
1743
1744 # Other configurations, but we have a compiler. Assume the user knows
1745 # what he's doing.
1746 yes:*:*:yes | yes:*:*:lean)
1747 AC_MSG_WARN([trying to bootstrap a cross compiler])
1748 ;;
1749
1750 # No compiler: if they passed --enable-bootstrap explicitly, fail
1751 no:*:*:yes | no:*:*:lean)
1752 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1753
1754 # Fail if wrong command line
1755 *)
1756 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1757 ;;
1758esac
1759
1760# Adjust the toplevel makefile according to whether bootstrap was selected.
5607edfd
PB
1761case "$enable_bootstrap" in
1762 yes)
ce521a9c
PB
1763 bootstrap_lean='#'
1764 default_target=bootstrap
1765 bootstrap_suffix=bootstrap ;;
1766 lean)
1767 bootstrap_lean=''
5607edfd
PB
1768 default_target=bootstrap
1769 bootstrap_suffix=bootstrap ;;
1770 no)
1771 default_target=all
1772 bootstrap_suffix=no-bootstrap ;;
1773esac
ce521a9c 1774AC_SUBST(bootstrap_lean)
5607edfd
PB
1775AC_SUBST(default_target)
1776
23f6b2f9 1777for module in ${build_configdirs} ; do
8b87bb96
NN
1778 if test -z "${no_recursion}" \
1779 && test -f ${build_subdir}/${module}/Makefile; then
1780 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1781 rm -f ${build_subdir}/${module}/Makefile
1782 fi
60975492
PB
1783 extrasub="$extrasub
1784/^@if build-$module\$/d
5607edfd
PB
1785/^@endif build-$module\$/d
1786/^@if build-$module-$bootstrap_suffix\$/d
1787/^@endif build-$module-$bootstrap_suffix\$/d"
8b87bb96
NN
1788done
1789for module in ${configdirs} ; do
1790 if test -z "${no_recursion}" \
1791 && test -f ${module}/Makefile; then
1792 echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
1793 rm -f ${module}/Makefile
1794 fi
60975492
PB
1795 extrasub="$extrasub
1796/^@if $module\$/d
5607edfd
PB
1797/^@endif $module\$/d
1798/^@if $module-$bootstrap_suffix\$/d
1799/^@endif $module-$bootstrap_suffix\$/d"
8b87bb96
NN
1800done
1801for module in ${target_configdirs} ; do
1802 if test -z "${no_recursion}" \
1803 && test -f ${target_subdir}/${module}/Makefile; then
1804 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1805 rm -f ${target_subdir}/${module}/Makefile
1806 fi
60975492
PB
1807 extrasub="$extrasub
1808/^@if target-$module\$/d
5607edfd
PB
1809/^@endif target-$module\$/d
1810/^@if target-$module-$bootstrap_suffix\$/d
1811/^@endif target-$module-$bootstrap_suffix\$/d"
4977bab6 1812done
f516a7da 1813
60975492
PB
1814extrasub="$extrasub
1815/^@if /,/^@endif /d"
4977bab6
ZW
1816
1817# Create the serialization dependencies. This uses a temporary file.
1818
ade82b16 1819AC_ARG_ENABLE([serial-configure],
bf1d3e81
NN
1820[ --enable-serial-[{host,target,build}-]configure
1821 Force sequential configuration of
ade82b16 1822 sub-packages for the host, target or build
bf1d3e81
NN
1823 machine, or all sub-packages])
1824
1825case ${enable_serial_configure} in
1826 yes)
1827 enable_serial_build_configure=yes
1828 enable_serial_host_configure=yes
1829 enable_serial_target_configure=yes
1830 ;;
1831esac
ade82b16 1832
4977bab6
ZW
1833# These force 'configure's to be done one at a time, to avoid problems
1834# with contention over a shared config.cache.
1835rm -f serdep.tmp
ade82b16 1836echo '# serdep.tmp' > serdep.tmp
4977bab6 1837olditem=
bf1d3e81 1838test "x${enable_serial_build_configure}" = xyes &&
4977bab6
ZW
1839for item in ${build_configdirs} ; do
1840 case ${olditem} in
1841 "") ;;
ade82b16 1842 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
4977bab6
ZW
1843 esac
1844 olditem=${item}
1845done
1846olditem=
bf1d3e81 1847test "x${enable_serial_host_configure}" = xyes &&
4977bab6
ZW
1848for item in ${configdirs} ; do
1849 case ${olditem} in
1850 "") ;;
ade82b16 1851 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
4977bab6
ZW
1852 esac
1853 olditem=${item}
1854done
1855olditem=
bf1d3e81 1856test "x${enable_serial_target_configure}" = xyes &&
4977bab6
ZW
1857for item in ${target_configdirs} ; do
1858 case ${olditem} in
1859 "") ;;
ade82b16 1860 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
4977bab6
ZW
1861 esac
1862 olditem=${item}
1863done
671aa708
NN
1864serialization_dependencies=serdep.tmp
1865AC_SUBST_FILE(serialization_dependencies)
fe3d5b7f 1866
ade82b16
AO
1867# Base args. Strip norecursion, cache-file, srcdir, host, build,
1868# target and nonopt. These are the ones we might not want to pass
43bb47c2
DJ
1869# down to subconfigures. Also strip program-prefix, program-suffix,
1870# and program-transform-name, so that we can pass down a consistent
1871# program-transform-name. If autoconf has put single quotes around
1872# any of these arguments (because they contain shell metacharacters)
1873# then this will fail; in practice this only happens for
1874# --program-transform-name, so be sure to override --program-transform-name
1875# at the end of the argument list.
1876# These will be expanded by make, so quote '$'.
b348267b 1877cat <<\EOF_SED > conftestsed
9104315a
NN
1878s/ --no[[^ ]]*/ /g
1879s/ --c[[a-z-]]*[[= ]][[^ ]]*//g
1880s/ --sr[[a-z-]]*[[= ]][[^ ]]*//g
1881s/ --ho[[a-z-]]*[[= ]][[^ ]]*//g
1882s/ --bu[[a-z-]]*[[= ]][[^ ]]*//g
1883s/ --t[[a-z-]]*[[= ]][[^ ]]*//g
1884s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]*//g
1885s/ -cache-file[[= ]][[^ ]]*//g
1886s/ -srcdir[[= ]][[^ ]]*//g
1887s/ -host[[= ]][[^ ]]*//g
1888s/ -build[[= ]][[^ ]]*//g
1889s/ -target[[= ]][[^ ]]*//g
1890s/ -program-prefix[[= ]][[^ ]]*//g
1891s/ -program-suffix[[= ]][[^ ]]*//g
1892s/ -program-transform-name[[= ]][[^ ]]*//g
b348267b
GK
1893s/ [[^' -][^ ]*] / /
1894s/^ *//;s/ *$//
eeae7b41
DJ
1895s,\$,$$,g
1896EOF_SED
1897sed -f conftestsed <<EOF_SED > conftestsed.out
1898 ${ac_configure_args}
b348267b 1899EOF_SED
eeae7b41
DJ
1900baseargs=`cat conftestsed.out`
1901rm -f conftestsed conftestsed.out
6599da04 1902
43bb47c2
DJ
1903# Add in --program-transform-name, after --program-prefix and
1904# --program-suffix have been applied to it. Autoconf has already
1905# doubled dollar signs and backslashes in program_transform_name; we want
1906# the backslashes un-doubled, and then the entire thing wrapped in single
1907# quotes, because this will be expanded first by make and then by the shell.
1908# Also, because we want to override the logic in subdir configure scripts to
1909# choose program_transform_name, replace any s,x,x, with s,y,y,.
1910sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
1911${program_transform_name}
1912EOF_SED
1913gcc_transform_name=`cat conftestsed.out`
1914rm -f conftestsed.out
1915baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
1916
e490616e
ZW
1917# For the build-side libraries, we just need to pretend we're native,
1918# and not use the same cache file. Multilibs are neither needed nor
1919# desired.
556f03c4 1920build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} --target=${target_alias} ${baseargs}"
e254d6b5 1921
4977bab6
ZW
1922# For host modules, accept cache file option, or specification as blank.
1923case "${cache_file}" in
1924"") # empty
1925 cache_file_option="" ;;
671aa708 1926/* | [[A-Za-z]]:[[\\/]]* ) # absolute path
4977bab6
ZW
1927 cache_file_option="--cache-file=${cache_file}" ;;
1928*) # relative path
1929 cache_file_option="--cache-file=../${cache_file}" ;;
1930esac
1931
09438bde
NN
1932# Host dirs don't like to share a cache file either, horribly enough.
1933# This seems to be due to autoconf 2.5x stupidity.
2b6c260d 1934host_configargs="--cache-file=./config.cache --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
4977bab6 1935
3fedb745 1936target_configargs=${baseargs}
e490616e 1937
6599da04
JM
1938# Passing a --with-cross-host argument lets the target libraries know
1939# whether they are being built with a cross-compiler or being built
1940# native. However, it would be better to use other mechanisms to make the
1941# sorts of decisions they want to make on this basis. Please consider
1942# this option to be deprecated. FIXME.
aeaa0f2f 1943if test x${is_cross_compiler} = xyes ; then
3fedb745 1944 target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
6599da04
JM
1945fi
1946
1947# Default to --enable-multilib.
aeaa0f2f 1948if test x${enable_multilib} = x ; then
3fedb745 1949 target_configargs="--enable-multilib ${target_configargs}"
6599da04
JM
1950fi
1951
5d4a5ee6
JL
1952# Pass --with-newlib if appropriate. Note that target_configdirs has
1953# changed from the earlier setting of with_newlib.
aeaa0f2f 1954if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
3fedb745 1955 target_configargs="--with-newlib ${target_configargs}"
5d4a5ee6
JL
1956fi
1957
6b9eb62c
NN
1958# Different target subdirs use different values of certain variables
1959# (notably CXX). Worse, multilibs use *lots* of different values.
1960# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
1961# it doesn't automatically accept command-line overrides of them.
1962# This means it's not safe for target subdirs to share a cache file,
1963# which is disgusting, but there you have it. Hopefully this can be
1964# fixed in future. It's still worthwhile to use a cache file for each
1965# directory. I think.
1966
bebcd931
MS
1967# Pass the appropriate --build, --host, --target and --cache-file arguments.
1968# We need to pass --target, as newer autoconf's requires consistency
1969# for target_alias and gcc doesn't manage it consistently.
1970target_configargs="--cache-file=./config.cache --build=${build_alias} --host=${target_alias} --target=${target_alias} ${target_configargs}"
e490616e 1971
b87487b6 1972FLAGS_FOR_TARGET=
bb654703 1973case " $target_configdirs " in
7965440a 1974 *" newlib "*)
3fedb745 1975 case " $target_configargs " in
7965440a 1976 *" --with-newlib "*)
b87487b6 1977 case "$target" in
d4eb109c 1978 *-cygwin*)
aa8f1f57 1979 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' ;;
b87487b6
AO
1980 esac
1981
afd7db25 1982 # If we're not building GCC, don't discard standard headers.
ef40bc65 1983 if test -d ${srcdir}/gcc; then
d4eb109c 1984 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
afd7db25
AO
1985
1986 if test "${build}" != "${host}"; then
1987 # On Canadian crosses, CC_FOR_TARGET will have already been set
1988 # by `configure', so we won't have an opportunity to add -Bgcc/
1989 # to it. This is right: we don't want to search that directory
1990 # for binaries, but we want the header files in there, so add
1991 # them explicitly.
215c351a 1992 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include'
afd7db25
AO
1993
1994 # Someone might think of using the pre-installed headers on
1995 # Canadian crosses, in case the installed compiler is not fully
1996 # compatible with the compiler being built. In this case, it
1997 # would be better to flag an error than risking having
1998 # incompatible object files being constructed. We can't
1999 # guarantee that an error will be flagged, but let's hope the
2000 # compiler will do it, when presented with incompatible header
2001 # files.
2002 fi
d4eb109c
AO
2003 fi
2004
ab50d72b 2005 case "${target}-${is_cross_compiler}" in
f2a0e225 2006 i[[3456789]]86-*-linux*-no)
ab50d72b
DD
2007 # Here host == target, so we don't need to build gcc,
2008 # so we don't want to discard standard headers.
2009 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
ab50d72b
DD
2010 ;;
2011 *)
2012 # If we're building newlib, use its generic headers last, but search
2013 # for any libc-related directories first (so make it the last -B
2014 # switch).
2015 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2016 ;;
2017 esac
b87487b6 2018 ;;
7965440a
AO
2019 esac
2020 ;;
b87487b6 2021esac
d4eb109c 2022
6691a79e
ME
2023# Allow the user to override the flags for
2024# our build compiler if desired.
2025CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2026
d4eb109c
AO
2027# On Canadian crosses, we'll be searching the right directories for
2028# the previously-installed cross compiler, so don't bother to add
2029# flags for directories within the install tree of the compiler
2030# being built; programs in there won't even run.
ef40bc65 2031if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
b87487b6 2032 # Search for pre-installed headers if nothing else fits.
9124bc53 2033 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
b87487b6 2034fi
d4eb109c 2035
bb654703 2036if test "x${use_gnu_ld}" = x &&
55380b08 2037 echo " ${configdirs} " | grep " ld " > /dev/null ; then
b87487b6 2038 # Arrange for us to find uninstalled linker scripts.
215c351a 2039 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
b87487b6
AO
2040fi
2041
d4eb109c
AO
2042if test "x${CC_FOR_TARGET+set}" = xset; then
2043 :
ef40bc65 2044elif test -d ${srcdir}/gcc; then
215c351a 2045 CC_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/'
b87487b6
AO
2046elif test "$host" = "$target"; then
2047 CC_FOR_TARGET='$(CC)'
2048else
3f4f56e2 2049 CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
b87487b6 2050fi
671aa708 2051CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
b87487b6 2052
85b99cbe
AG
2053if test "x${GCJ_FOR_TARGET+set}" = xset; then
2054 :
ef40bc65 2055elif test -d ${srcdir}/gcc; then
215c351a 2056 GCJ_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/'
85b99cbe
AG
2057elif test "$host" = "$target"; then
2058 GCJ_FOR_TARGET='gcj'
2059else
3f4f56e2 2060 GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
85b99cbe 2061fi
671aa708 2062GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
85b99cbe 2063
6de9cd9a
DN
2064if test "x${GFORTRAN_FOR_TARGET+set}" = xset; then
2065 :
2066elif test -d ${srcdir}/gcc; then
215c351a 2067 GFORTRAN_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/'
6de9cd9a
DN
2068elif test "$host" = "$target"; then
2069 GFORTRAN_FOR_TARGET='gfortran'
2070else
30f1bddc 2071 GFORTRAN_FOR_TARGET=`echo gfortran | sed "${program_transform_name}"`
6de9cd9a
DN
2072fi
2073case $GFORTRAN_FOR_TARGET in
2074*' $(FLAGS_FOR_TARGET)') ;;
2075*) GFORTRAN_FOR_TARGET=$GFORTRAN_FOR_TARGET' $(FLAGS_FOR_TARGET)' ;;
2076esac
2077
7a0be465 2078# Don't use libstdc++-v3's flags to configure/build itself.
a7956a48 2079libstdcxx_flags='`test ! -f $$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$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
9d465b12 2080raw_libstdcxx_flags='-L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
7a0be465 2081
d4eb109c 2082if test "x${CXX_FOR_TARGET+set}" = xset; then
d253f9ba
DJ
2083 if test "x${RAW_CXX_FOR_TARGET+set}" != xset; then
2084 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2085 fi
ef40bc65 2086elif test -d ${srcdir}/gcc; then
6bff33fb
AO
2087 # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
2088 # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
2089 # default whereas gcc does not.
4977bab6
ZW
2090 # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
2091 # all other cases.
215c351a
PB
2092 CXX_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/g++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ '$libstdcxx_flags
2093 RAW_CXX_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ '$raw_libstdcxx_flags
b87487b6
AO
2094elif test "$host" = "$target"; then
2095 CXX_FOR_TARGET='$(CXX)'
4977bab6 2096 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
b87487b6 2097else
3f4f56e2 2098 CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
4977bab6 2099 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
b87487b6 2100fi
671aa708
NN
2101CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2102RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
4977bab6 2103
671aa708
NN
2104qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2105qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
a3406c06
AO
2106
2107# We want to defer the evaluation of `cmd`s and shell variables in
2108# CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
2109# bootstrap. We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
2110# quotes, but we still have to duplicate `$'s so that shell variables
2111# can be expanded by the nested make as shell variables, not as make
2112# macros.
671aa708
NN
2113qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2114qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
4977bab6 2115
3fedb745
NN
2116# Wrap CC_FOR_TARGET and friends, for certain types of builds.
2117CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
2118GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
6de9cd9a 2119GFORTRAN_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GFORTRAN_FOR_TARGET}"
3fedb745
NN
2120CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
2121RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
2122CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
2123RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
2124
671aa708 2125# Makefile fragments.
7b61653a
PE
2126for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2127do
2128 eval fragval=\$$frag
2129 if test $fragval != /dev/null; then
2130 eval $frag=${srcdir}/$fragval
2131 fi
2132done
671aa708
NN
2133AC_SUBST_FILE(host_makefile_frag)
2134AC_SUBST_FILE(target_makefile_frag)
2135AC_SUBST_FILE(alphaieee_frag)
2136AC_SUBST_FILE(ospace_frag)
2137
2138# Miscellanea: directories, flags, etc.
671aa708
NN
2139AC_SUBST(RPATH_ENVVAR)
2140AC_SUBST(BUILD_PREFIX)
2141AC_SUBST(BUILD_PREFIX_1)
671aa708
NN
2142AC_SUBST(tooldir)
2143AC_SUBST(build_tooldir)
2144AC_SUBST(GDB_TK)
671aa708
NN
2145
2146# Build module lists & subconfigure args.
671aa708 2147AC_SUBST(build_configargs)
23f6b2f9 2148AC_SUBST(build_configdirs)
671aa708
NN
2149
2150# Host module lists & subconfigure args.
2151AC_SUBST(host_configargs)
2152AC_SUBST(configdirs)
671aa708
NN
2153
2154# Target module lists & subconfigure args.
671aa708
NN
2155AC_SUBST(target_configargs)
2156AC_SUBST(target_configdirs)
671aa708
NN
2157
2158# Build tools.
671aa708 2159AC_SUBST(CC_FOR_BUILD)
671aa708
NN
2160AC_SUBST(config_shell)
2161
2162# Host tools.
53fbfb58
NN
2163NCN_STRICT_CHECK_TOOL(AR, ar)
2164NCN_STRICT_CHECK_TOOL(AS, as)
2165NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2166NCN_STRICT_CHECK_TOOL(LD, ld)
2167NCN_STRICT_CHECK_TOOL(NM, nm)
2168NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2169NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2170NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2171NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
671aa708
NN
2172AC_SUBST(CC)
2173AC_SUBST(CXX)
2174AC_SUBST(CFLAGS)
6691a79e 2175AC_SUBST(CFLAGS_FOR_BUILD)
671aa708 2176AC_SUBST(CXXFLAGS)
671aa708
NN
2177
2178# Target tools.
be912515
NN
2179NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AR_FOR_TARGET, ar)
2180NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AS_FOR_TARGET, as)
2181NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_DLLTOOL_FOR_TARGET, dlltool)
2182NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_LD_FOR_TARGET, ld)
2183NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_NM_FOR_TARGET, nm)
2184NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_RANLIB_FOR_TARGET, ranlib, :)
2185NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_WINDRES_FOR_TARGET, windres)
671aa708
NN
2186
2187AC_SUBST(GCC_FOR_TARGET)
2188AC_SUBST(FLAGS_FOR_TARGET)
2189AC_SUBST(CC_FOR_TARGET)
2190AC_SUBST(GCJ_FOR_TARGET)
6de9cd9a 2191AC_SUBST(GFORTRAN_FOR_TARGET)
671aa708
NN
2192AC_SUBST(CXX_FOR_TARGET)
2193AC_SUBST(RAW_CXX_FOR_TARGET)
2194AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2195AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2196
2197# Fix up target tools.
2198if test "x${build}" = "x${host}" ; then
2199 # In this case, the newly built tools can and should be used,
2200 # so we override the results of the autoconf tests.
2201 # This should really only happen when the tools are actually being built,
2202 # but that's a further refinement. The new build scheme, where
2203 # tools are built into a structure paralleling where they're installed,
2204 # should also eliminate all of this cleanly.
2205 AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2206 AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2207 DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2208 LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2209 NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2210 RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2211 WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
be912515
NN
2212else
2213 # Just use the ones we found.
2214 AR_FOR_TARGET="\$(CONFIGURED_AR_FOR_TARGET)"
2215 AS_FOR_TARGET="\$(CONFIGURED_AS_FOR_TARGET)"
2216 DLLTOOL_FOR_TARGET="\$(CONFIGURED_DLLTOOL_FOR_TARGET)"
2217 LD_FOR_TARGET="\$(CONFIGURED_LD_FOR_TARGET)"
2218 NM_FOR_TARGET="\$(CONFIGURED_NM_FOR_TARGET)"
2219 RANLIB_FOR_TARGET="\$(CONFIGURED_RANLIB_FOR_TARGET)"
2220 WINDRES_FOR_TARGET="\$(CONFIGURED_WINDRES_FOR_TARGET)"
671aa708 2221fi
be912515
NN
2222AC_SUBST(AR_FOR_TARGET)
2223AC_SUBST(AS_FOR_TARGET)
2224AC_SUBST(DLLTOOL_FOR_TARGET)
2225AC_SUBST(LD_FOR_TARGET)
2226AC_SUBST(NM_FOR_TARGET)
2227AC_SUBST(RANLIB_FOR_TARGET)
2228AC_SUBST(WINDRES_FOR_TARGET)
2229
671aa708
NN
2230# Certain tools may need extra flags.
2231AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2232RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2233NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
6599da04 2234
ee03dc5e
AO
2235AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2236AC_ARG_ENABLE(maintainer-mode,
2237[ --enable-maintainer-mode enable make rules and dependencies not useful
2238 (and sometimes confusing) to the casual installer],
2239 USE_MAINTAINER_MODE=$enableval,
2240 USE_MAINTAINER_MODE=no)
2241AC_MSG_RESULT($USE_MAINTAINER_MODE)
2242AC_SUBST(MAINTAINER_MODE_TRUE)
2243AC_SUBST(MAINTAINER_MODE_FALSE)
2244if test "$USE_MAINTAINER_MODE" = yes; then
2245 MAINTAINER_MODE_TRUE=
2246 MAINTAINER_MODE_FALSE='#'
2247else
2248 MAINTAINER_MODE_TRUE='#'
2249 MAINTAINER_MODE_FALSE=
2250fi
2251MAINT=$MAINTAINER_MODE_TRUE
2252AC_SUBST(MAINT)dnl
2253
2805b53a
NN
2254# ---------------------
2255# GCC bootstrap support
2256# ---------------------
2257
2258# Stage specific cflags for build.
2259stage1_cflags="-g"
2260case $build in
2261 vax-*-*)
2262 case ${GCC} in
2263 yes) stage1_cflags="-g -Wa,-J" ;;
2264 *) stage1_cflags="-g -J" ;;
2265 esac ;;
2266 powerpc-*-darwin*)
2267 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
2268 # sources; use -no-cpp-precomp to get to GNU cpp.
2269 # Apple's GCC has bugs in designated initializer handling, so disable
2270 # that too.
2271 stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
2272 ;;
2273esac
2274AC_SUBST(stage1_cflags)
2275
148907ea 2276# It makes debugging easier if we create as symlinks the stage directories
ce521a9c 2277# gcc for stageN-gcc and stagePREV-gcc for stage(N-1). In case this is not
148907ea
PB
2278# possible, however, we can resort to mv.
2279AC_CACHE_CHECK([if symbolic links between directories work],
2280[gcc_cv_prog_ln_s_dir],
2281[if test "${LN_S}" = "ln -s" \
2282 && mkdir confdir.s1 \
2283 && ln -s confdir.s1 confdir.s2 \
2284 && echo timestamp1 > confdir.s1/conftest.1 \
2285 && cmp confdir.s1/conftest.1 confdir.s2/conftest.1 \
2286 && echo timestamp2 > confdir.s2/conftest.2 \
2287 && cmp confdir.s1/conftest.2 confdir.s1/conftest.2 \
2288 && rm -f confdir.s2; then
2289 gcc_cv_prog_ln_s_dir=yes
2290else
215c351a 2291 gcc_cv_prog_ln_s_dir=no
148907ea
PB
2292fi
2293rm -rf confdir.s1 confdir.s2])
2294
2295case ${gcc_cv_prog_ln_s_dir} in
2296 yes)
2297 CREATE_LINK_TO_DIR='ln -s $$1 $$2'
2298 UNDO_LINK_TO_DIR='rm -f $$1' ;;
2299 *)
2300 CREATE_LINK_TO_DIR='mv $$1 $$2'
2301 UNDO_LINK_TO_DIR='mv $$1 $$2' ;;
2302esac
2303AC_SUBST(CREATE_LINK_TO_DIR)
2304AC_SUBST(UNDO_LINK_TO_DIR)
2305
2805b53a
NN
2306# Enable -Werror in bootstrap stage2 and later.
2307# Change the default to "no" on release branches.
2308AC_ARG_ENABLE(werror,
2309[ --enable-werror enable -Werror in bootstrap stage2 and later], [],
2310[enable_werror=yes])
09a9c095
NN
2311case ${enable_werror} in
2312 yes) stage2_werror_flag="--enable-werror-always" ;;
2313 *) stage2_werror_flag="" ;;
2805b53a 2314esac
09a9c095 2315AC_SUBST(stage2_werror_flag)
2805b53a 2316
671aa708 2317AC_OUTPUT(Makefile)