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[deliverable/binutils-gdb.git] / configure.in
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80911fe1
PB		 1# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
2# 2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
252b5132
RH		 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
6e4d0bcb 16# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
252b5132
RH		 17
18##############################################################################
a0da8069
NN		 19### WARNING: this file contains embedded tabs. Do not run untabify on this file.
20
656fdd47
PB		 21sinclude(config/acx.m4)
22
a0da8069 23AC_INIT(move-if-change)
75778ec4 24AC_PREREQ(2.13)
a0da8069
NN		 25AC_CANONICAL_SYSTEM
26AC_ARG_PROGRAM
27
e5c3f801
NN		 28# Get 'install' or 'install-sh' and its variants.
29AC_PROG_INSTALL
656fdd47 30ACX_PROG_LN
dfdffa2c 31AC_PROG_LN_S
e5c3f801 32
a0da8069
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
a0da8069
NN		 67progname=$0
68# if PWD already has a value, it is probably wrong.
69if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
70
d2cc0e0d 71# Export original configure arguments for use by sub-configures. These
8ff944f6
DJ		 72# will be expanded by make, so quote '$'.
73tmp="$progname $@"
74sed -e 's,\$,$$,g' <<EOF_SED > conftestsed.out
75$tmp
d2cc0e0d 76EOF_SED
8ff944f6
DJ		 77TOPLEVEL_CONFIGURE_ARGUMENTS=`cat conftestsed.out`
78rm -f conftestsed.out
586c0873 79AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
a0da8069
NN		 80
81moveifchange=${srcdir}/move-if-change
82
0fdbe983
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
a0da8069
NN		 91# Set srcdir to "." if that's what it is.
92# This is important for multilib support.
93pwd=`${PWDCMD-pwd}`
a0da8069
NN		 94if test "${pwd}" = "${srcpwd}" ; then
95 srcdir=.
96fi
97
98topsrcdir=$srcpwd
252b5132 99
ae831be5 100extra_host_args=
afefada0 101
252b5132
RH		 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
a2cc058a 104### (library or tools, host or target), doing a dependency sort.
252b5132 105
a2cc058a
NN		 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.
112
113# Double entries in build_configdirs, configdirs, or target_configdirs may
114# cause circular dependencies and break everything horribly.
252b5132 115
6a9cf61e
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
ee025550 122build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
6a9cf61e 123
252b5132
RH		 124# these libraries are used by various programs built for the host environment
125#
be01d343 126host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber"
252b5132 127
252b5132
RH		 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.
2af579c4
NN		 131# binutils, gas and ld appear in that order because it makes sense to run
132# "make check" in that particular order.
b00612cc 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"
75205f78
DD		 134
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"
252b5132
RH		 141
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#
9c14acb8 145target_libraries="target-libiberty \
252b5132
RH		 146 target-libgloss \
147 target-newlib \
b9459e83 148 target-libstdc++-v3 \
4b1cb4fe 149 target-libmudflap \
bb780410 150 target-libssp \
b3ded179 151 target-libgcc-math \
4b1cb4fe 152 target-libgfortran \
83326456 153 ${libgcj} \
a2592b1b 154 target-libobjc \
b3ded179
PB		 155 target-libada \
156 target-libgomp"
252b5132 157
9c14acb8
NN		 158# these tools are built using the target libraries, and are intended to
159# run only in the target environment
252b5132 160#
9c14acb8 161# note: any program that *uses* libraries that are in the "target_libraries"
252b5132
RH		 162# list belongs in this list. those programs are also very likely
163# candidates for the "native_only" list which follows
164#
a3dd767d 165target_tools="target-examples target-groff target-gperf target-rda"
252b5132
RH		 166
167################################################################################
168
252b5132
RH		 169## All tools belong in one of the four categories, and are assigned above
170## We assign ${configdirs} this way to remove all embedded newlines. This
171## is important because configure will choke if they ever get through.
172## ${configdirs} is directories we build using the host tools.
173## ${target_configdirs} is directories we build using the target tools.
252b5132 174configdirs=`echo ${host_libs} ${host_tools}`
9c14acb8 175target_configdirs=`echo ${target_libraries} ${target_tools}`
ee025550 176build_configdirs=`echo ${build_libs} ${build_tools}`
dd12c3a8 177
252b5132
RH		 178################################################################################
179
252b5132
RH		 180srcname="gnu development package"
181
182# This gets set non-empty for some net releases of packages.
183appdirs=""
184
c712250a
DD		 185# Define is_cross_compiler to save on calls to 'test'.
186is_cross_compiler=
187if test x"${host}" = x"${target}" ; then
188 is_cross_compiler=no
189else
190 is_cross_compiler=yes
191fi
192
9175bfc0 193# Find the build and target subdir names.
dd12c3a8 194GCC_TOPLEV_SUBDIRS
252b5132 195
f48556b1
DD		 196# Skipdirs are removed silently.
197skipdirs=
198# Noconfigdirs are removed loudly.
199noconfigdirs=""
252b5132 200
f48556b1
DD		 201use_gnu_ld=
202# Make sure we don't let GNU ld be added if we didn't want it.
203if test x$with_gnu_ld = xno ; then
204 use_gnu_ld=no
205 noconfigdirs="$noconfigdirs ld"
252b5132
RH		 206fi
207
f48556b1
DD		 208use_gnu_as=
209# Make sure we don't let GNU as be added if we didn't want it.
210if test x$with_gnu_as = xno ; then
211 use_gnu_as=no
212 noconfigdirs="$noconfigdirs gas"
252b5132
RH		 213fi
214
f48556b1
DD		 215# some tools are so dependent upon X11 that if we're not building with X,
216# it's not even worth trying to configure, much less build, that tool.
252b5132 217
f48556b1
DD		 218case ${with_x} in
219 yes | "") ;; # the default value for this tree is that X11 is available
ff0a3bf8 220 no)
675c6968 221 skipdirs="${skipdirs} tk itcl libgui"
ff0a3bf8
DD		 222 # We won't be able to build gdbtk without X.
223 enable_gdbtk=no
224 ;;
f48556b1
DD		 225 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
226esac
252b5132 227
f48556b1 228# Some tools are only suitable for building in a "native" situation.
405ea7a0 229# Remove these if host!=target.
91f0e695 230native_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"
405ea7a0
NN		 231
232# Similarly, some are only suitable for cross toolchains.
233# Remove these if host=target.
234cross_only="target-libgloss target-newlib target-opcodes"
252b5132 235
f48556b1
DD		 236case $is_cross_compiler in
237 no) skipdirs="${skipdirs} ${cross_only}" ;;
238 yes) skipdirs="${skipdirs} ${native_only}" ;;
239esac
252b5132 240
a32d391c
DD		 241# If both --with-headers and --with-libs are specified, default to
242# --without-newlib.
32be62b5
RS		 243if test x"${with_headers}" != x && test x"${with_headers}" != xno \
244 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
a32d391c
DD		 245 if test x"${with_newlib}" = x ; then
246 with_newlib=no
247 fi
248fi
249
250# Recognize --with-newlib/--without-newlib.
251case ${with_newlib} in
252 no) skipdirs="${skipdirs} target-newlib" ;;
253 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
254esac
255
252b5132
RH		 256# Configure extra directories which are host specific
257
258case "${host}" in
f48556b1 259 *-cygwin*)
3866be5d 260 configdirs="$configdirs libtermcap" ;;
252b5132
RH		 261esac
262
59f7ec45
HPN		 263# A target can indicate whether a language isn't supported for some reason.
264# Only spaces may be used in this macro; not newlines or tabs.
265unsupported_languages=
266
252b5132
RH		 267# Remove more programs from consideration, based on the host or
268# target this usually means that a port of the program doesn't
269# exist yet.
270
252b5132 271case "${host}" in
75205f78
DD		 272 hppa*64*-*-*)
273 noconfigdirs="$noconfigdirs byacc"
274 ;;
ec11bdc6 275 i[[3456789]]86-*-vsta)
675c6968 276 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
252b5132 277 ;;
ec11bdc6 278 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
675c6968 279 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
bba45b8b 280 ;;
ec11bdc6 281 i[[3456789]]86-*-mingw32*)
675c6968 282 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
a92834c8 283 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
bba45b8b 284 ;;
ec11bdc6 285 i[[3456789]]86-*-beos*)
675c6968 286 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
bba45b8b 287 ;;
252b5132 288 *-*-cygwin*)
a92834c8 289 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
252b5132
RH		 290 ;;
291 *-*-netbsd*)
a92834c8 292 noconfigdirs="$noconfigdirs rcs"
252b5132
RH		 293 ;;
294 ppc*-*-pe)
675c6968 295 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
252b5132 296 ;;
ba73c63f 297 powerpc-*-beos*)
675c6968 298 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
ba73c63f 299 ;;
252b5132
RH		 300esac
301
4b1cb4fe 302
a2592b1b
DD		 303AC_ARG_ENABLE(libada,
304[ --enable-libada Builds libada directory],
305ENABLE_LIBADA=$enableval,
306ENABLE_LIBADA=yes)
307if test "${ENABLE_LIBADA}" != "yes" ; then
b00612cc 308 noconfigdirs="$noconfigdirs gnattools"
a2592b1b
DD		 309fi
310
5f128533
KH		 311AC_ARG_ENABLE(libssp,
312[ --enable-libssp Builds libssp directory],
313ENABLE_LIBSSP=$enableval,
314ENABLE_LIBSSP=yes)
5f128533 315
b3ded179
PB		 316# Set the default so we build libgcc-math for ix86 and x86_64
317AC_ARG_ENABLE(libgcc-math,
318[ --enable-libgcc-math Builds libgcc-math directory],,
319[
320case "${target}" in
321 i?86-* | x86_64-* )
322 enable_libgcc_math=yes ;;
323 *)
324 enable_libgcc_math=no ;;
325esac
326])
b3ded179 327
96111c10
AO		 328# Save it here so that, even in case of --enable-libgcj, if the Java
329# front-end isn't enabled, we still get libgcj disabled.
330libgcj_saved=$libgcj
331case $enable_libgcj in
332yes)
333 # If we reset it here, it won't get added to noconfigdirs in the
334 # target-specific build rules, so it will be forcibly enabled
335 # (unless the Java language itself isn't enabled).
336 libgcj=
337 ;;
338no)
339 # Make sure we get it printed in the list of not supported target libs.
340 noconfigdirs="$noconfigdirs ${libgcj}"
341 ;;
342esac
343
4b1cb4fe 344
a6df5a19
PB		 345# Disable libmudflap on some systems.
346if test x$enable_libmudflap = x ; then
3e707e94 347 case "${target}" in
b3ded179 348 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
3d6dfe0f 349 # Enable libmudflap by default in GNU and friends.
3e707e94
PB		 350 ;;
351 *-*-freebsd*)
352 # Enable libmudflap by default in FreeBSD.
353 ;;
354 *)
355 # Disable it by default everywhere else.
356 noconfigdirs="$noconfigdirs target-libmudflap"
357 ;;
358 esac
a6df5a19 359fi
4b1cb4fe 360
a6df5a19
PB		 361# Disable libgomp on non POSIX hosted systems.
362if test x$enable_libgomp = x ; then
b3ded179
PB		 363 # Enable libgomp by default on hosted POSIX systems.
364 case "${target}" in
365 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
366 ;;
367 *-*-netbsd* | *-*-freebsd* | *-*-openbsd*)
368 ;;
369 *-*-solaris2* | *-*-sysv4* | *-*-irix* | *-*-osf* | *-*-hpux*)
370 ;;
371 *-*-darwin* | *-*-aix*)
372 ;;
373 *)
374 noconfigdirs="$noconfigdirs target-libgomp"
375 ;;
376 esac
a6df5a19 377fi
b3ded179 378
4b1cb4fe 379
252b5132 380case "${target}" in
75205f78
DD		 381 *-*-chorusos)
382 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
383 ;;
04d1ab34 384 powerpc-*-darwin*)
b3f16a9b 385 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
4e3fc8e5 386 noconfigdirs="$noconfigdirs sim target-rda"
b3f16a9b 387 ;;
04d1ab34 388 *-*-darwin*)
d320aacb 389 noconfigdirs="$noconfigdirs ld gas gdb gprof"
4e3fc8e5 390 noconfigdirs="$noconfigdirs sim target-rda"
fe69863c 391 noconfigdirs="$noconfigdirs ${libgcj}"
04d1ab34 392 ;;
a0da8069 393 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
ffb97b2f
DD		 394 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
395 ;;
de0b4a87 396 *-*-freebsd*)
4b1cb4fe
DD		 397 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
398 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
399 && test -f /usr/local/include/gmp.h; then
400 with_gmp=/usr/local
401 fi
402
403 # Skip some stuff that's unsupported on some FreeBSD configurations.
404 case "${target}" in
405 i*86-*-*) ;;
406 alpha*-*-*) ;;
407 *)
408 noconfigdirs="$noconfigdirs ${libgcj}"
409 ;;
410 esac
411 ;;
f8a495c8
NC		 412 *-*-kaos*)
413 # Remove unsupported stuff on all kaOS configurations.
80b200a1 414 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
f8a495c8
NC		 415 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
416 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
417 noconfigdirs="$noconfigdirs target-libgloss"
418 ;;
e82380cc
JT		 419 *-*-netbsd*)
420 # Skip some stuff on all NetBSD configurations.
ae03d6e2 421 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
e82380cc
JT		 422
423 # Skip some stuff that's unsupported on some NetBSD configurations.
424 case "${target}" in
75205f78 425 i*86-*-netbsdelf*) ;;
5b474aa8 426 arm*-*-netbsdelf*) ;;
e82380cc 427 *)
75205f78 428 noconfigdirs="$noconfigdirs ${libgcj}"
e82380cc
JT		 429 ;;
430 esac
431 ;;
2a3124ca
RH		 432 *-*-netware*)
433 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
252b5132
RH		 434 ;;
435 *-*-rtems*)
75205f78 436 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
252b5132 437 ;;
1587117a
EC		 438 # The tpf target doesn't support gdb yet.
439 *-*-tpf*)
440 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} target-libmudflap gdb tcl tk libgui itcl"
441 ;;
c1968181
DD		 442 *-*-uclinux*)
443 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
444 ;;
252b5132 445 *-*-vxworks*)
6dd2fda9 446 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty target-libstdc++-v3 ${libgcj}"
252b5132 447 ;;
49f58d10
JB		 448 m32c-*-*)
449 noconfigdirs="$noconfigdirs target-libstdc++-v3"
450 ;;
252b5132 451 alpha*-dec-osf*)
e99daf2b
DD		 452 # ld works, but does not support shared libraries.
453 # newlib is not 64 bit ready. I'm not sure about fileutils.
252b5132 454 # gas doesn't generate exception information.
e99daf2b 455 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
252b5132
RH		 456 ;;
457 alpha*-*-*vms*)
69e57115 458 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
75205f78
DD		 459 ;;
460 alpha*-*-linux*)
461 # newlib is not 64 bit ready
462 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
252b5132
RH		 463 ;;
464 alpha*-*-*)
465 # newlib is not 64 bit ready
75205f78 466 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
252b5132 467 ;;
4a18bd6b
AO		 468 am33_2.0-*-linux*)
469 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
470 ;;
75205f78
DD		 471 sh-*-linux*)
472 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
75205f78 473 ;;
2fb651f6 474 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
75205f78
DD		 475 noconfigdirs="$noconfigdirs ${libgcj}"
476 noconfigdirs="$noconfigdirs target-examples"
ba73c63f 477 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
675c6968 478 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
2fb651f6
NC		 479 noconfigdirs="$noconfigdirs expect dejagnu"
480 # the C++ libraries don't build on top of CE's C libraries
b9459e83 481 noconfigdirs="$noconfigdirs target-libstdc++-v3"
ae03d6e2 482 noconfigdirs="$noconfigdirs target-newlib"
2fb651f6
NC		 483 case "${host}" in
484 *-*-cygwin*) ;; # keep gdb and readline
b9459e83 485 *) noconfigdirs="$noconfigdirs gdb readline"
2fb651f6
NC		 486 ;;
487 esac
488 ;;
252b5132 489 arc-*-*)
75205f78 490 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
252b5132 491 ;;
caeba88f 492 arm-semi-aof )
caeba88f 493 ;;
f03b4789
NN		 494 arm-*-coff | strongarm-*-coff | xscale-*-coff)
495 noconfigdirs="$noconfigdirs ${libgcj}"
496 ;;
11b04d1f 497 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
f03b4789
NN		 498 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
499 ;;
bd70a46f
KH		 500 arm*-*-linux-gnueabi)
501 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
502 noconfigdirs="$noconfigdirs target-libjava target-libobjc"
503 ;;
df4a6958
MM		 504 arm*-*-symbianelf*)
505 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
506 ;;
252b5132 507 arm-*-pe*)
75205f78 508 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
252b5132 509 ;;
252b5132 510 thumb-*-coff)
75205f78 511 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
252b5132 512 ;;
252b5132 513 thumb-*-elf)
75205f78 514 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
252b5132 515 ;;
347dad9e 516 thumb-*-pe)
75205f78 517 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
252b5132
RH		 518 ;;
519 arm-*-riscix*)
75205f78 520 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
252b5132 521 ;;
c95f53ae 522 avr-*-*)
69e57115 523 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
c95f53ae 524 ;;
376a0e54
CM		 525 bfin-*-*)
526 noconfigdirs="$noconfigdirs target-libgloss gdb"
3cf3372e 527 if test x${is_cross_compiler} != xno ; then
376a0e54
CM		 528 target_configdirs="${target_configdirs} target-bsp target-cygmon"
529 fi
530 ;;
ff72e302 531 c4x-*-* | tic4x-*-*)
b9459e83 532 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
077b8428
NC		 533 ;;
534 c54x*-*-* | tic54x-*-*)
b9459e83 535 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
75205f78 536 ;;
c7e66c6d 537 cris-*-* | crisv32-*-*)
59f7ec45 538 unsupported_languages="$unsupported_languages java"
c7e66c6d 539 case "${target}" in
2faa2958 540 *-*-aout)
096f7d00 541 unsupported_languages="$unsupported_languages fortran"
59f7ec45 542 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
2faa2958 543 *-*-elf)
096f7d00 544 unsupported_languages="$unsupported_languages fortran"
5e818318 545 noconfigdirs="$noconfigdirs target-boehm-gc";;
2faa2958 546 *-*-linux*)
5e818318 547 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
c7e66c6d 548 *)
096f7d00 549 unsupported_languages="$unsupported_languages fortran"
c7e66c6d
HPN		 550 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
551 esac
077b8428 552 ;;
3e707e94 553 crx-*-*)
0490e016 554 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
3e707e94 555 ;;
252b5132 556 d10v-*-*)
b9459e83 557 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
252b5132 558 ;;
252b5132 559 d30v-*-*)
b07c2aad 560 noconfigdirs="$noconfigdirs ${libgcj} gdb"
252b5132 561 ;;
252b5132 562 fr30-*-elf*)
b07c2aad 563 noconfigdirs="$noconfigdirs ${libgcj} gdb"
252b5132 564 ;;
d2a86414
DB		 565 frv-*-*)
566 noconfigdirs="$noconfigdirs ${libgcj}"
d2a86414 567 ;;
dd1e52a4 568 h8300*-*-*)
80b200a1 569 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
dd1e52a4 570 ;;
252b5132 571 h8500-*-*)
80b200a1 572 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
75205f78 573 ;;
caeba88f 574 hppa1.1-*-osf* | hppa1.1-*-bsd* )
caeba88f 575 ;;
75205f78
DD		 576 hppa*64*-*-linux* | parisc*64*-*-linux*)
577 # In this case, it's because the hppa64-linux target is for
578 # the kernel only at this point and has no libc, and thus no
579 # headers, crt*.o, etc., all of which are needed by these.
580 noconfigdirs="$noconfigdirs target-zlib"
252b5132 581 ;;
5dcac624
DA		 582 parisc*-*-linux* | hppa*-*-linux*)
583 ;;
252b5132 584 hppa*-*-*elf* | \
09e90eb4 585 hppa*-*-lites* | \
17240c1f 586 hppa*-*-openbsd* | \
09e90eb4 587 hppa*64*-*-*)
75205f78 588 noconfigdirs="$noconfigdirs ${libgcj}"
252b5132
RH		 589 ;;
590 hppa*-*-*)
b3ed1d6b
AO		 591 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
592 # build on HP-UX 10.20.
593 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
252b5132 594 ;;
b07c2aad
HPN		 595 i960-*-*)
596 noconfigdirs="$noconfigdirs ${libgcj} gdb"
597 ;;
2315914d
JW		 598 ia64*-*-elf*)
599 # No gdb support yet.
675c6968 600 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
2315914d 601 ;;
a0c1c920
NC		 602 ia64*-**-hpux*)
603 # No gdb or ld support yet.
675c6968 604 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
a0c1c920 605 ;;
caeba88f 606 i370-*-opened*)
caeba88f 607 ;;
ec11bdc6 608 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
75205f78 609 noconfigdirs="$noconfigdirs ${libgcj}"
252b5132 610 ;;
ec11bdc6 611 i[[3456789]]86-*-linux*)
28f46298
HPN		 612 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
613 # not build java stuff by default.
614 case "${target}" in
615 *-*-*libc1*)
616 noconfigdirs="$noconfigdirs ${libgcj}";;
617 esac
618
c72f388d
TF		 619 # This section makes it possible to build newlib natively on linux.
620 # If we are using a cross compiler then don't configure newlib.
a018e15b 621 if test x${is_cross_compiler} != xno ; then
bba45b8b 622 noconfigdirs="$noconfigdirs target-newlib"
c72f388d
TF		 623 fi
624 noconfigdirs="$noconfigdirs target-libgloss"
625 # If we are not using a cross compiler, do configure newlib.
626 # Note however, that newlib will only be configured in this situation
627 # if the --with-newlib option has been given, because otherwise
628 # 'target-newlib' will appear in skipdirs.
c72f388d 629 ;;
ec11bdc6 630 i[[3456789]]86-*-mingw32*)
252b5132 631 target_configdirs="$target_configdirs target-mingw"
69e57115 632 noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
252b5132
RH		 633
634 # Can't build gdb for mingw32 if not native.
635 case "${host}" in
ec11bdc6 636 i[[3456789]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
675c6968 637 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl gnuserv"
252b5132
RH		 638 ;;
639 esac
640 ;;
641 *-*-cygwin*)
642 target_configdirs="$target_configdirs target-libtermcap target-winsup"
69e57115 643 noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
b76d7de0 644 # always build newlib if winsup directory is present.
ac0fa625 645 if test -d "$srcdir/winsup"; then
b76d7de0 646 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
ac0fa625 647 elif test -d "$srcdir/newlib"; then
b76d7de0
CV		 648 echo "Warning: winsup is missing so newlib can't be built."
649 fi
252b5132
RH		 650
651 # Can't build gdb for Cygwin if not native.
652 case "${host}" in
653 *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
675c6968 654 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl libgui gnuserv"
252b5132
RH		 655 ;;
656 esac
657 ;;
caeba88f
AL		 658 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
659 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
caeba88f 660 ;;
ec11bdc6 661 i[[3456789]]86-*-pe)
69e57115 662 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
252b5132 663 ;;
ec11bdc6 664 i[[3456789]]86-*-sco3.2v5*)
252b5132
RH		 665 # The linker does not yet know about weak symbols in COFF,
666 # and is not configured to handle mixed ELF and COFF.
75205f78 667 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
252b5132 668 ;;
ec11bdc6 669 i[[3456789]]86-*-sco*)
75205f78 670 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
252b5132 671 ;;
ec11bdc6 672 i[[3456789]]86-*-solaris2*)
252b5132
RH		 673 noconfigdirs="$noconfigdirs target-libgloss"
674 ;;
ec11bdc6 675 i[[3456789]]86-*-sysv4*)
e99daf2b 676 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
252b5132 677 ;;
ec11bdc6 678 i[[3456789]]86-*-beos*)
bba45b8b
NN		 679 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
680 ;;
b59bea8a 681 i[[3456789]]86-*-rdos*)
80911fe1
PB		 682 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
683 ;;
b07c2aad 684 m32r-*-*)
970f29af 685 noconfigdirs="$noconfigdirs ${libgcj}"
b07c2aad 686 ;;
75205f78 687 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
b9459e83 688 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
f9e0997d 689 ;;
75205f78
DD		 690 m68k-*-elf*)
691 noconfigdirs="$noconfigdirs ${libgcj}"
252b5132
RH		 692 ;;
693 m68k-*-coff*)
75205f78 694 noconfigdirs="$noconfigdirs ${libgcj}"
252b5132 695 ;;
75205f78
DD		 696 mcore-*-pe*)
697 # The EPOC C++ environment does not support exceptions or rtti,
698 # and so building libstdc++-v3 tends not to always work.
699 noconfigdirs="$noconfigdirs target-libstdc++-v3"
700 ;;
701 mmix-*-*)
59f7ec45 702 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
096f7d00 703 unsupported_languages="$unsupported_languages fortran java"
75205f78 704 ;;
252b5132 705 mn10200-*-*)
75205f78 706 noconfigdirs="$noconfigdirs ${libgcj}"
252b5132
RH		 707 ;;
708 mn10300-*-*)
75205f78 709 noconfigdirs="$noconfigdirs ${libgcj}"
252b5132 710 ;;
4970f871 711 mt-*-*)
cdb9b172
AH		 712 noconfigdirs="$noconfigdirs sim"
713 ;;
252b5132
RH		 714 powerpc-*-aix*)
715 # copied from rs6000-*-* entry
096f7d00 716 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp ${libgcj}"
252b5132
RH		 717 ;;
718 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
719 target_configdirs="$target_configdirs target-winsup"
675c6968 720 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
252b5132
RH		 721 # always build newlib.
722 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
723 ;;
724 # This is temporary until we can link against shared libraries
725 powerpcle-*-solaris*)
675c6968 726 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
ba73c63f
JM		 727 ;;
728 powerpc-*-beos*)
75205f78 729 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
252b5132
RH		 730 ;;
731 powerpc-*-eabi)
69e57115 732 noconfigdirs="$noconfigdirs ${libgcj}"
caeba88f
AL		 733 ;;
734 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
252b5132
RH		 735 ;;
736 rs6000-*-lynxos*)
07637366 737 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
252b5132
RH		 738 ;;
739 rs6000-*-aix*)
096f7d00 740 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp ${libgcj}"
252b5132
RH		 741 ;;
742 rs6000-*-*)
75205f78 743 noconfigdirs="$noconfigdirs gprof ${libgcj}"
252b5132
RH		 744 ;;
745 m68k-apollo-*)
75205f78 746 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
252b5132
RH		 747 ;;
748 mips*-*-irix5*)
0f260896 749 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
252b5132
RH		 750 ;;
751 mips*-*-irix6*)
b3ed1d6b
AO		 752 # Linking libjava exceeds command-line length limits on at least
753 # IRIX 6.2, but not on IRIX 6.5.
754 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
755 # <oldham@codesourcery.com>
aa236487 756 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
252b5132
RH		 757 ;;
758 mips*-dec-bsd*)
75205f78 759 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
252b5132
RH		 760 ;;
761 mips*-*-bsd*)
75205f78 762 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
252b5132
RH		 763 ;;
764 mipstx39-*-*)
75205f78 765 noconfigdirs="$noconfigdirs gprof ${libgcj}" # same as generic mips
bba45b8b 766 ;;
1712ab83
RS		 767 mips64*-*-linux*)
768 noconfigdirs="$noconfigdirs target-newlib ${libgcj}"
769 ;;
fad93c55 770 mips*-*-linux*)
574e6d11 771 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
fad93c55 772 ;;
252b5132 773 mips*-*-*)
75205f78 774 noconfigdirs="$noconfigdirs gprof ${libgcj}"
252b5132
RH		 775 ;;
776 romp-*-*)
75205f78 777 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
252b5132 778 ;;
dbf85af7 779 sh-*-* | sh64-*-*)
252b5132 780 case "${host}" in
ec11bdc6
DD		 781 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
782 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
783 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
252b5132
RH		 784 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
785 esac
75205f78 786 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
252b5132
RH		 787 ;;
788 sparc-*-elf*)
d5ec694c 789 noconfigdirs="$noconfigdirs ${libgcj}"
252b5132
RH		 790 ;;
791 sparc64-*-elf*)
d5ec694c 792 noconfigdirs="$noconfigdirs ${libgcj}"
252b5132
RH		 793 ;;
794 sparclite-*-*)
75205f78 795 noconfigdirs="$noconfigdirs ${libgcj}"
252b5132
RH		 796 ;;
797 sparc-*-sunos4*)
75205f78 798 noconfigdirs="$noconfigdirs ${libgcj}"
a0c4f3a0 799 if test x${is_cross_compiler} != xno ; then
c74222f7 800 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
252b5132
RH		 801 else
802 use_gnu_ld=no
803 fi
804 ;;
e3c770b1
EB		 805 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
806 noconfigdirs="$noconfigdirs ${libgcj}"
807 ;;
3a036cdc 808 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
b3ed1d6b 809 ;;
252b5132 810 v810-*-*)
b9459e83 811 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
252b5132
RH		 812 ;;
813 v850-*-*)
75205f78 814 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
252b5132 815 ;;
347dad9e 816 v850e-*-*)
75205f78 817 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
252b5132
RH		 818 ;;
819 v850ea-*-*)
75205f78 820 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
347dad9e 821 ;;
252b5132 822 vax-*-vms)
75205f78 823 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
252b5132
RH		 824 ;;
825 vax-*-*)
75205f78 826 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
96ce09a7 827 ;;
fbd1054d
BW		 828 xtensa-*-*)
829 noconfigdirs="$noconfigdirs ${libgcj}"
830 ;;
f48556b1 831 ip2k-*-*)
b9459e83 832 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
f48556b1 833 ;;
de0b4a87 834 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
574e6d11
DD		 835 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
836 ;;
252b5132 837 *-*-lynxos*)
75205f78 838 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
252b5132 839 ;;
75205f78
DD		 840 *-*-*)
841 noconfigdirs="$noconfigdirs ${libgcj}"
842 ;;
252b5132
RH		 843esac
844
845# If we aren't building newlib, then don't build libgloss, since libgloss
846# depends upon some newlib header files.
847case "${noconfigdirs}" in
848 *target-libgloss*) ;;
849 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
f48556b1 850esac
252b5132 851
f48556b1
DD		 852# Work in distributions that contain no compiler tools, like Autoconf.
853tentative_cc=""
a0da8069 854host_makefile_frag=/dev/null
f48556b1
DD		 855if test -d ${srcdir}/config ; then
856case "${host}" in
857 m68k-hp-hpux*)
858 # Avoid "too much defining" errors from HPUX compiler.
859 tentative_cc="cc -Wp,-H256000"
a0da8069
NN		 860 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
861 # If it's HP/UX ar, this should be harmless.
862 RANLIB="ar ts"
f48556b1
DD		 863 ;;
864 m68k-apollo-sysv*)
865 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
f48556b1
DD		 866 ;;
867 m68k-apollo-bsd*)
868 #None of the Apollo compilers can compile gas or binutils. The preprocessor
869 # chokes on bfd, the compiler won't let you assign integers to enums, and
870 # other problems. Defining CC to gcc is a questionable way to say "don't use
871 # the apollo compiler" (the preferred version of GCC could be called cc,
872 # or whatever), but I'm not sure leaving CC as cc is any better...
873 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
a0da8069 874 # Used to have BISON=yacc.
f48556b1 875 tentative_cc=gcc
f48556b1
DD		 876 ;;
877 m88k-dg-dgux*)
878 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
f48556b1
DD		 879 ;;
880 m88k-harris-cxux*)
881 # Under CX/UX, we want to tell the compiler to use ANSI mode.
882 tentative_cc="cc -Xa"
883 host_makefile_frag="config/mh-cxux"
884 ;;
885 m88k-motorola-sysv*)
f48556b1
DD		 886 ;;
887 mips*-dec-ultrix*)
888 tentative_cc="cc -Wf,-XNg1000"
889 host_makefile_frag="config/mh-decstation"
890 ;;
891 mips*-nec-sysv4*)
892 # The C compiler on NEC MIPS SVR4 needs bigger tables.
893 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
894 host_makefile_frag="config/mh-necv4"
895 ;;
f48556b1
DD		 896 mips*-sgi-irix4*)
897 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
898 # environment. Also bump switch table size so that cp-parse will
899 # compile. Bump string length limit so linker builds.
900 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
901 ;;
f48556b1
DD		 902 mips*-*-sysv4*)
903 host_makefile_frag="config/mh-sysv4"
904 ;;
905 mips*-*-sysv*)
906 # This is for a MIPS running RISC/os 4.52C.
907
908 # This is needed for GDB, but needs to be in the top-level make because
909 # if a library is compiled with the bsd headers and gets linked with the
910 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
911 # a different size).
912 # ptrace(2) apparently has problems in the BSD environment. No workaround is
913 # known except to select the sysv environment. Could we use /proc instead?
914 # These "sysv environments" and "bsd environments" often end up being a pain.
915 #
916 # This is not part of CFLAGS because perhaps not all C compilers have this
917 # option.
918 tentative_cc="cc -systype sysv"
f48556b1
DD		 919 ;;
920 i370-ibm-opened*)
921 tentative_cc="c89"
f48556b1 922 ;;
ec11bdc6 923 i[[3456789]]86-*-sysv5*)
f48556b1
DD		 924 host_makefile_frag="config/mh-sysv5"
925 ;;
ec11bdc6 926 i[[3456789]]86-*-dgux*)
f48556b1
DD		 927 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
928 host_makefile_frag="config/mh-dgux386"
929 ;;
ec11bdc6 930 i[[3456789]]86-ncr-sysv4.3*)
f48556b1
DD		 931 # The MetaWare compiler will generate a copyright message unless you
932 # turn it off by adding the -Hnocopyr flag.
933 tentative_cc="cc -Hnocopyr"
f48556b1 934 ;;
ec11bdc6 935 i[[3456789]]86-ncr-sysv4*)
f48556b1
DD		 936 # for an NCR 3000 (i486/SVR4) system.
937 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
938 # This compiler not only emits obnoxious copyright messages every time
939 # you run it, but it chokes and dies on a whole bunch of GNU source
940 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
941 tentative_cc="/usr/ccs/ATT/cc"
942 host_makefile_frag="config/mh-ncr3000"
943 ;;
ec11bdc6 944 i[[3456789]]86-*-sco3.2v5*)
f48556b1 945 ;;
ec11bdc6 946 i[[3456789]]86-*-sco*)
f48556b1
DD		 947 # The native C compiler botches some simple uses of const. Unfortunately,
948 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
949 tentative_cc="cc -Dconst="
950 host_makefile_frag="config/mh-sco"
951 ;;
ec11bdc6 952 i[[3456789]]86-*-udk*)
f48556b1
DD		 953 host_makefile_frag="config/mh-sysv5"
954 ;;
ec11bdc6 955 i[[3456789]]86-*-solaris2*)
f48556b1
DD		 956 host_makefile_frag="config/mh-sysv4"
957 ;;
ec11bdc6 958 i[[3456789]]86-*-msdosdjgpp*)
f48556b1
DD		 959 host_makefile_frag="config/mh-djgpp"
960 ;;
961 *-cygwin*)
962 host_makefile_frag="config/mh-cygwin"
963 ;;
964 *-mingw32*)
f48556b1
DD		 965 ;;
966 *-interix*)
967 host_makefile_frag="config/mh-interix"
968 ;;
969 vax-*-ultrix2*)
970 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
971 tentative_cc=gcc
972 ;;
973 *-*-solaris2*)
974 host_makefile_frag="config/mh-solaris"
975 ;;
976 m68k-sun-sunos*)
977 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
978 # without overflowing the jump tables (-J says to use a 32 bit table)
979 tentative_cc="cc -J"
980 ;;
f48556b1
DD		 981 *-hp-hpux*)
982 tentative_cc="cc -Wp,-H256000"
f48556b1
DD		 983 ;;
984 *-*-hiux*)
985 tentative_cc="cc -Wp,-H256000"
f48556b1
DD		 986 ;;
987 rs6000-*-lynxos*)
988 # /bin/cc is less than useful for our purposes. Always use GCC
989 tentative_cc="/usr/cygnus/progressive/bin/gcc"
990 host_makefile_frag="config/mh-lynxrs6k"
991 ;;
0df3d27f
PB		 992 powerpc-*-darwin*)
993 host_makefile_frag="config/mh-ppc-darwin"
994 ;;
f6d183c0
PB		 995 powerpc-*-aix*)
996 host_makefile_frag="config/mh-ppc-aix"
997 ;;
998 rs6000-*-aix*)
999 host_makefile_frag="config/mh-ppc-aix"
1000 ;;
f48556b1
DD		 1001 *-*-lynxos*)
1002 # /bin/cc is less than useful for our purposes. Always use GCC
1003 tentative_cc="/bin/gcc"
1004 ;;
1005 *-*-sysv4*)
1006 host_makefile_frag="config/mh-sysv4"
1007 ;;
fe69863c
DD		 1008 # This is placed last to prevent interfering with the cases above.
1009 i[[3456789]]86-*-*)
1010 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
1011 host_makefile_frag="config/mh-x86omitfp"
1012 ;;
f48556b1
DD		 1013esac
1014fi
1015
9e07f89d
NN		 1016# If we aren't going to be using gcc, see if we can extract a definition
1017# of CC from the fragment.
1018# Actually, use the 'pre-extracted' version above.
1019if test -z "${CC}" && test "${build}" = "${host}" ; then
1020 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1021 found=
1022 for dir in $PATH; do
1023 test -z "$dir" && dir=.
1024 if test -f $dir/gcc; then
1025 found=yes
1026 break
1027 fi
1028 done
1029 IFS="$save_ifs"
1030 if test -z "${found}" && test -n "${tentative_cc}" ; then
1031 CC=$tentative_cc
1032 fi
1033fi
1034
1035if test "${build}" != "${host}" ; then
1036 # If we are doing a Canadian Cross, in which the host and build systems
1037 # are not the same, we set reasonable default values for the tools.
1038
9e07f89d
NN		 1039 CC=${CC-${host_alias}-gcc}
1040 CFLAGS=${CFLAGS-"-g -O2"}
1041 CXX=${CXX-${host_alias}-c++}
1042 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1043 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
9e07f89d
NN		 1044
1045else
1046 # Set reasonable default values for some tools even if not Canadian.
1047 # Of course, these are different reasonable default values, originally
1048 # specified directly in the Makefile.
1049 # We don't export, so that autoconf can do its job.
1050 # Note that all these settings are above the fragment inclusion point
1051 # in Makefile.in, so can still be overridden by fragments.
1052 # This is all going to change when we autoconfiscate...
1053
9e07f89d 1054 CC_FOR_BUILD="\$(CC)"
6a9cf61e 1055 AC_PROG_CC
9e07f89d
NN		 1056
1057 # We must set the default linker to the linker used by gcc for the correct
1058 # operation of libtool. If LD is not defined and we are using gcc, try to
1059 # set the LD default to the ld used by gcc.
1060 if test -z "$LD"; then
6a9cf61e 1061 if test "$GCC" = yes; then
9e07f89d
NN		 1062 case $build in
1063 *-*-mingw*)
1064 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1065 *)
1066 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1067 esac
1068 case $gcc_prog_ld in
1069 # Accept absolute paths.
1070 [[\\/]* | [A-Za-z]:[\\/]*)]
1071 LD="$gcc_prog_ld" ;;
1072 esac
1073 fi
1074 fi
1075
1076 CXX=${CXX-"c++"}
1077 CFLAGS=${CFLAGS-"-g"}
1078 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1079fi
1080
1081ACX_PROG_GNAT
b8908782 1082ACX_PROG_CMP_IGNORE_INITIAL
9e07f89d 1083
11b04d1f 1084# Check for GMP and MPFR
4b1cb4fe
DD		 1085gmplibs=
1086gmpinc=
1087have_gmp=yes
11b04d1f
DD		 1088# Specify a location for mpfr
1089# check for this first so it ends up on the link line before gmp.
1090AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH Specify source directory for MPFR library])
1091
1092if test "x$with_mpfr_dir" != x; then
c10e9ba7 1093 gmpinc="-I$with_mpfr_dir"
11b04d1f
DD		 1094 gmplibs="$with_mpfr_dir/libmpfr.a"
1095else
1096 gmplibs="-lmpfr"
1097fi
1098
1099AC_ARG_WITH(mpfr, [ --with-mpfr=PATH Specify directory for installed MPFR library])
1100
1101if test "x$with_mpfr" != x; then
1102 gmplibs="-L$with_mpfr/lib $gmplibs"
1103 gmpinc="-I$with_mpfr/include"
1104fi
1105
4b1cb4fe
DD		 1106# Specify a location for gmp
1107AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH Specify source directory for GMP library])
1108
11b04d1f
DD		 1109if test "x$with_gmp_dir" != x; then
1110 gmpinc="$gmpinc -I$with_gmp_dir"
4b1cb4fe 1111 if test -f "$with_gmp_dir/.libs/libgmp.a"; then
11b04d1f 1112 gmplibs="$gmplibs $with_gmp_dir/.libs/libgmp.a"
4b1cb4fe 1113 elif test -f "$with_gmp_dir/_libs/libgmp.a"; then
11b04d1f 1114 gmplibs="$gmplibs $with_gmp_dir/_libs/libgmp.a"
4b1cb4fe
DD		 1115 fi
1116 # One of the later tests will catch the error if neither library is present.
11b04d1f
DD		 1117else
1118 gmplibs="$gmplibs -lgmp"
4b1cb4fe
DD		 1119fi
1120
1121AC_ARG_WITH(gmp, [ --with-gmp=PATH Specify directory for installed GMP library])
1122
11b04d1f
DD		 1123if test "x$with_gmp" != x; then
1124 gmplibs="-L$with_gmp/lib $gmplibs"
1125 gmpinc="-I$with_gmp/include $gmpinc"
4b1cb4fe
DD		 1126fi
1127
1128saved_CFLAGS="$CFLAGS"
1129CFLAGS="$CFLAGS $gmpinc"
1130# Check GMP actually works
1131AC_MSG_CHECKING([for correct version of gmp.h])
1132AC_TRY_COMPILE([#include "gmp.h"],[
1133#if __GNU_MP_VERSION < 3
1134choke me
1135#endif
1136], [AC_MSG_RESULT([yes])],
1137 [AC_MSG_RESULT([no]); have_gmp=no])
1138
1139if test x"$have_gmp" = xyes; then
11b04d1f 1140 AC_MSG_CHECKING([for MPFR])
4b1cb4fe
DD		 1141
1142 saved_LIBS="$LIBS"
1143 LIBS="$LIBS $gmplibs"
11b04d1f
DD		 1144 AC_TRY_LINK([#include <gmp.h>
1145#include <mpfr.h>], [mpfr_t n; mpfr_init(n);],
4b1cb4fe
DD		 1146 [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1147 LIBS="$saved_LIBS"
1148 CFLAGS="$saved_CFLAGS"
1149fi
1150
11b04d1f 1151# Flags needed for both GMP and/or MPFR
4b1cb4fe
DD		 1152AC_SUBST(gmplibs)
1153AC_SUBST(gmpinc)
1154
947f426e 1155# By default, C is the only stage 1 language.
1d39f329
NN		 1156stage1_languages=c
1157AC_SUBST(stage1_languages)
1158
9e07f89d
NN		 1159# Figure out what language subdirectories are present.
1160# Look if the user specified --enable-languages="..."; if not, use
1161# the environment variable $LANGUAGES if defined. $LANGUAGES might
1162# go away some day.
1163# NB: embedded tabs in this IF block -- do not untabify
1164if test -d ${srcdir}/gcc; then
1165 if test x"${enable_languages+set}" != xset; then
1166 if test x"${LANGUAGES+set}" = xset; then
1167 enable_languages="${LANGUAGES}"
1168 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1169 else
1170 enable_languages=all
1171 fi
1172 else
1173 if test x"${enable_languages}" = x ||
1174 test x"${enable_languages}" = xyes;
1175 then
1176 echo configure.in: --enable-languages needs at least one language argument 1>&2
1177 exit 1
1178 fi
1179 fi
1180 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1181
096f7d00
DE		 1182 # 'f95' is the old name for the 'fortran' language. We issue a warning
1183 # and make the substitution.
1184 case ,${enable_languages}, in
1185 *,f95,*)
1186 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1187 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1188 ;;
1189 esac
1190
9e07f89d
NN		 1191 # First scan to see if an enabled language requires some other language.
1192 # We assume that a given config-lang.in will list all the language
1193 # front ends it requires, even if some are required indirectly.
1194 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1195 case ${lang_frag} in
1196 ..) ;;
1197 # The odd quoting in the next line works around
1198 # an apparent bug in bash 1.12 on linux.
1199 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1200 *)
1201 # From the config-lang.in, get $language, $lang_requires
1202 language=
1203 lang_requires=
1204 . ${lang_frag}
1205 for other in ${lang_requires} ; do
1206 case ,${enable_languages}, in
1207 *,$other,*) ;;
1208 *,all,*) ;;
1209 *,$language,*)
1210 echo " \`$other' language required by \`$language'; enabling" 1>&2
1211 enable_languages="${enable_languages},${other}"
1212 ;;
1213 esac
1214 done
1215 ;;
1216 esac
1217 done
1218
1219 new_enable_languages=c
1220 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
9cb3fa6f 1221 potential_languages=c
9e07f89d
NN		 1222
1223 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1224 case ${lang_frag} in
1225 ..) ;;
1226 # The odd quoting in the next line works around
1227 # an apparent bug in bash 1.12 on linux.
1228 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1229 *)
1230 # From the config-lang.in, get $language, $target_libs,
1d39f329 1231 # $lang_dirs, $boot_language, and $build_by_default
9e07f89d
NN		 1232 language=
1233 target_libs=
1234 lang_dirs=
1d39f329 1235 boot_language=
9e07f89d 1236 build_by_default=
9cb3fa6f 1237 need_gmp=
9e07f89d 1238 . ${lang_frag}
9cb3fa6f 1239 potential_languages="${potential_languages},${language}"
9e07f89d
NN		 1240 # This is quite sensitive to the ordering of the case statement arms.
1241 case ,${enable_languages},:${language}:${have_gnat}:${build_by_default} in
1242 *::*:*)
1243 echo "${lang_frag} doesn't set \$language." 1>&2
1244 exit 1
9cb3fa6f 1245 ;;
9e07f89d
NN		 1246 *:ada:no:*)
1247 # Ada was requested with no preexisting GNAT. Disable unconditionally.
1248 add_this_lang=no
1249 ;;
1250 *,${language},*:*:*:*)
1251 # Language was explicitly selected; include it.
1252 add_this_lang=yes
1253 ;;
1254 *,all,*:*:*:no)
1255 # 'all' was selected, but this is not a default language
9cb3fa6f 1256 # so do not include it.
9e07f89d 1257 add_this_lang=no
9cb3fa6f 1258 ;;
9e07f89d
NN		 1259 *,all,*:*:*:*)
1260 # 'all' was selected and this is a default language; include it.
1261 add_this_lang=yes
1262 ;;
1263 *)
1264 add_this_lang=no
1265 ;;
1266 esac
4b1cb4fe 1267
9cb3fa6f
PB		 1268 # Disable languages that need GMP if it isn't available.
1269 case ,${enable_languages},:${have_gmp}:${need_gmp} in
1270 *,${language},*:no:yes)
1271 # Specifically requested language; tell them.
1272 AC_MSG_ERROR([GMP with MPFR support is required to build $language])
1273 ;;
1274 *:no:yes)
1275 # Silently disable.
1276 add_this_lang=no
1277 ;;
1278 esac
59f7ec45
HPN		 1279
1280 # Disable a language that is unsupported by the target.
1281 case " $unsupported_languages " in
1282 *" $language "*)
1283 add_this_lang=no
1284 ;;
1285 esac
1286
4b1cb4fe 1287 case $add_this_lang in
9e07f89d
NN		 1288 no)
1289 # Remove language-dependent dirs.
1d39f329
NN		 1290 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1291 ;;
9e07f89d
NN		 1292 *)
1293 new_enable_languages="$new_enable_languages,$language"
1d39f329
NN		 1294 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1295 case ${boot_language} in
1296 yes)
4fa63067
NN		 1297 # Add to (comma-separated) list of stage 1 languages.
1298 stage1_languages="${stage1_languages},${language}"
1d39f329
NN		 1299 ;;
1300 esac
1301 ;;
9e07f89d
NN		 1302 esac
1303 ;;
1304 esac
1305 done
1306
4b0ac75d 1307 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
9e07f89d
NN		 1308 if test "x$missing_languages" != x; then
1309 AC_MSG_ERROR([
27258dd4
PB		 1310The following requested languages could not be built: ${missing_languages}
1311Recognised languages are: ${potential_languages}])
9e07f89d
NN		 1312 fi
1313
1314 if test "x$new_enable_languages" != "x$enable_languages"; then
1315 echo The following languages will be built: ${new_enable_languages}
1316 fi
1317 enable_languages="$new_enable_languages"
2e70b094 1318 ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
9e07f89d
NN		 1319fi
1320
a6df5a19
PB		 1321# Handle --disable-<component> generically.
1322for dir in $configdirs $build_configdirs $target_configdirs ; do
1323 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1324 if eval test x\${enable_${dirname}} "=" xno ; then
1325 noconfigdirs="$noconfigdirs $dir"
1326 fi
1327done
1328
caeba88f
AL		 1329# Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1330# $build_configdirs and $target_configdirs.
9e07f89d
NN		 1331# If we have the source for $noconfigdirs entries, add them to $notsupp.
1332
1333notsupp=""
1334for dir in . $skipdirs $noconfigdirs ; do
caeba88f 1335 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
9e07f89d
NN		 1336 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1337 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1338 if test -r $srcdir/$dirname/configure ; then
1339 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1340 true
1341 else
1342 notsupp="$notsupp $dir"
1343 fi
1344 fi
1345 fi
caeba88f
AL		 1346 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1347 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1348 if test -r $srcdir/$dirname/configure ; then
1349 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1350 true
1351 else
1352 notsupp="$notsupp $dir"
1353 fi
1354 fi
1355 fi
9e07f89d
NN		 1356 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1357 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1358 if test -r $srcdir/$dirname/configure ; then
1359 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1360 true
1361 else
1362 notsupp="$notsupp $dir"
1363 fi
1364 fi
1365 fi
1366done
1367
1368# Sometimes the tools are distributed with libiberty but with no other
1369# libraries. In that case, we don't want to build target-libiberty.
1370if test -n "${target_configdirs}" ; then
1371 others=
1372 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1373 if test "$i" != "libiberty" ; then
1374 if test -r $srcdir/$i/configure ; then
1375 others=yes;
1376 break;
1377 fi
1378 fi
1379 done
1380 if test -z "${others}" ; then
1381 target_configdirs=
1382 fi
1383fi
1384
1385# Quietly strip out all directories which aren't configurable in this tree.
1386# This relies on all configurable subdirectories being autoconfiscated, which
1387# is now the case.
6a9cf61e
PB		 1388build_configdirs_all="$build_configdirs"
1389build_configdirs=
1390for i in ${build_configdirs_all} ; do
1391 j=`echo $i | sed -e s/build-//g`
1392 if test -f ${srcdir}/$j/configure ; then
1393 build_configdirs="${build_configdirs} $i"
1394 fi
1395done
1396
9e07f89d
NN		 1397configdirs_all="$configdirs"
1398configdirs=
1399for i in ${configdirs_all} ; do
1400 if test -f ${srcdir}/$i/configure ; then
1401 configdirs="${configdirs} $i"
1402 fi
1403done
6a9cf61e 1404
9e07f89d
NN		 1405target_configdirs_all="$target_configdirs"
1406target_configdirs=
1407for i in ${target_configdirs_all} ; do
1408 j=`echo $i | sed -e s/target-//g`
1409 if test -f ${srcdir}/$j/configure ; then
1410 target_configdirs="${target_configdirs} $i"
1411 fi
1412done
1413
1414# Produce a warning message for the subdirs we can't configure.
1415# This isn't especially interesting in the Cygnus tree, but in the individual
1416# FSF releases, it's important to let people know when their machine isn't
1417# supported by the one or two programs in a package.
1418
1419if test -n "${notsupp}" && test -z "${norecursion}" ; then
1420 # If $appdirs is non-empty, at least one of those directories must still
1421 # be configured, or we error out. (E.g., if the gas release supports a
1422 # specified target in some subdirs but not the gas subdir, we shouldn't
1423 # pretend that all is well.)
1424 if test -n "$appdirs" ; then
1425 for dir in $appdirs ; do
1426 if test -r $dir/Makefile.in ; then
1427 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1428 appdirs=""
1429 break
1430 fi
6a9cf61e 1431 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
9e07f89d
NN		 1432 appdirs=""
1433 break
1434 fi
1435 fi
1436 done
1437 if test -n "$appdirs" ; then
1438 echo "*** This configuration is not supported by this package." 1>&2
1439 exit 1
1440 fi
1441 fi
1442 # Okay, some application will build, or we don't care to check. Still
1443 # notify of subdirs not getting built.
1444 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1445 echo " ${notsupp}" 1>&2
1446 echo " (Any other directories should still work fine.)" 1>&2
1447fi
1448
1449case "$host" in
1450 *msdosdjgpp*)
1451 enable_gdbtk=no ;;
1452esac
1453
1454copy_dirs=
1455
a19b6204
MM		 1456AC_ARG_WITH([build-sysroot],
1457 [ --with-build-sysroot=sysroot
1458 use sysroot as the system root during the build],
1459 [if test x"$withval" != x ; then
1460 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
1461 fi],
1462 [SYSROOT_CFLAGS_FOR_TARGET=])
1463AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
1464
9e07f89d
NN		 1465# Handle --with-headers=XXX. If the value is not "yes", the contents of
1466# the named directory are copied to $(tooldir)/sys-include.
1467if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1468 if test x${is_cross_compiler} = xno ; then
1469 echo 1>&2 '***' --with-headers is only supported when cross compiling
1470 exit 1
1471 fi
1472 if test x"${with_headers}" != xyes ; then
1473 case "${exec_prefixoption}" in
1474 "") x=${prefix} ;;
1475 *) x=${exec_prefix} ;;
1476 esac
1477 copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
1478 fi
1479fi
1480
1481# Handle --with-libs=XXX. If the value is not "yes", the contents of
1482# the name directories are copied to $(tooldir)/lib. Multiple directories
1483# are permitted.
1484if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1485 if test x${is_cross_compiler} = xno ; then
1486 echo 1>&2 '***' --with-libs is only supported when cross compiling
1487 exit 1
1488 fi
1489 if test x"${with_libs}" != xyes ; then
1490 # Copy the libraries in reverse order, so that files in the first named
1491 # library override files in subsequent libraries.
1492 case "${exec_prefixoption}" in
1493 "") x=${prefix} ;;
1494 *) x=${exec_prefix} ;;
1495 esac
1496 for l in ${with_libs}; do
1497 copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
1498 done
1499 fi
1500fi
1501
2429c060
PB		 1502# Set with_gnu_as and with_gnu_ld as appropriate.
1503#
1504# This is done by determining whether or not the appropriate directory
1505# is available, and by checking whether or not specific configurations
1506# have requested that this magic not happen.
1507#
1508# The command line options always override the explicit settings in
1509# configure.in, and the settings in configure.in override this magic.
1510#
1511# If the default for a toolchain is to use GNU as and ld, and you don't
1512# want to do that, then you should use the --without-gnu-as and
1513# --without-gnu-ld options for the configure script.
1514
1515if test x${use_gnu_as} = x &&
1516 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1517 with_gnu_as=yes
1518 extra_host_args="$extra_host_args --with-gnu-as"
1519fi
1520
1521if test x${use_gnu_ld} = x &&
1522 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1523 with_gnu_ld=yes
1524 extra_host_args="$extra_host_args --with-gnu-ld"
1525fi
1526
1527# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1528# can detect this case.
1529
1530if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1531 with_newlib=yes
1532 extra_host_args="$extra_host_args --with-newlib"
1533fi
1534
9e07f89d
NN		 1535# Handle ${copy_dirs}
1536set fnord ${copy_dirs}
1537shift
1538while test $# != 0 ; do
1539 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1540 :
1541 else
1542 echo Copying $1 to $2
1543
1544 # Use the install script to create the directory and all required
1545 # parent directories.
1546 if test -d $2 ; then
1547 :
1548 else
1549 echo >config.temp
1550 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1551 fi
1552
1553 # Copy the directory, assuming we have tar.
1554 # FIXME: Should we use B in the second tar? Not all systems support it.
1555 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1556
1557 # It is the responsibility of the user to correctly adjust all
1558 # symlinks. If somebody can figure out how to handle them correctly
1559 # here, feel free to add the code.
1560
1561 echo $1 > $2/COPIED
1562 fi
1563 shift; shift
1564done
1565
2429c060
PB		 1566# Determine a target-dependent exec_prefix that the installed
1567# gcc will search in. Keep this list sorted by triplet, with
1568# the *-*-osname triplets last.
1569md_exec_prefix=
1570case "${target}" in
1571 alpha*-*-*vms*)
1572 md_exec_prefix=/gnu/lib/gcc-lib
1573 ;;
1574 i[34567]86-pc-msdosdjgpp*)
1575 md_exec_prefix=/dev/env/DJDIR/bin
1576 ;;
1577 i[34567]86-*-sco3.2v5*)
1578 if test $with_gnu_as = yes; then
1579 md_exec_prefix=/usr/gnu/bin
1580 else
1581 md_exec_prefix=/usr/ccs/bin/elf
1582 fi
1583 ;;
1584
1585 mn10300-*-* | \
1586 powerpc-*-chorusos* | \
1587 powerpc*-*-eabi* | \
1588 powerpc*-*-sysv* | \
1589 powerpc*-*-kaos* | \
1590 s390x-ibm-tpf*)
1591 md_exec_prefix=/usr/ccs/bin
1592 ;;
1593 sparc64-*-elf*)
1594 ;;
1595 v850*-*-*)
1596 md_exec_prefix=/usr/ccs/bin
1597 ;;
1598 xtensa-*-elf*)
1599 ;;
1600
1601 *-*-beos* | \
1602 *-*-elf* | \
1603 *-*-hpux* | \
1604 *-*-netware* | \
1605 *-*-nto-qnx* | \
1606 *-*-rtems* | \
1607 *-*-solaris2* | \
1608 *-*-sysv[45]* | \
1609 *-*-vxworks* | \
1610 *-wrs-windiss)
1611 md_exec_prefix=/usr/ccs/bin
1612 ;;
1613esac
1614
874e38b4
NN		 1615extra_arflags_for_target=
1616extra_nmflags_for_target=
1086bc09 1617extra_ranlibflags_for_target=
a0da8069 1618target_makefile_frag=/dev/null
f48556b1 1619case "${target}" in
2a3124ca 1620 *-*-netware*)
b6f83f2a 1621 target_makefile_frag="config/mt-netware"
f48556b1 1622 ;;
3d6dfe0f
NN		 1623 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
1624 target_makefile_frag="config/mt-gnu"
f48556b1 1625 ;;
a0da8069 1626 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
874e38b4
NN		 1627 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1628 # commands to handle both 32-bit and 64-bit objects. These flags are
1629 # harmless if we're using GNU nm or ar.
1630 extra_arflags_for_target=" -X32_64"
1631 extra_nmflags_for_target=" -B -X32_64"
f48556b1 1632 ;;
1086bc09
NN		 1633 *-*-darwin*)
1634 # ranlib from Darwin requires the -c flag to look at common symbols.
1635 extra_ranlibflags_for_target=" -c"
1636 ;;
f48556b1 1637 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
b6f83f2a
DD		 1638 target_makefile_frag="config/mt-wince"
1639 ;;
1640esac
1641
a0da8069 1642alphaieee_frag=/dev/null
b6f83f2a
DD		 1643case $target in
1644 alpha*-*-*)
1645 # This just makes sure to use the -mieee option to build target libs.
1646 # This should probably be set individually by each library.
1647 alphaieee_frag="config/mt-alphaieee"
f48556b1
DD		 1648 ;;
1649esac
a0a2c6c6 1650
f48556b1
DD		 1651# If --enable-target-optspace always use -Os instead of -O2 to build
1652# the target libraries, similarly if it is not specified, use -Os
1653# on selected platforms.
a0da8069 1654ospace_frag=/dev/null
f48556b1
DD		 1655case "${enable_target_optspace}:${target}" in
1656 yes:*)
b6f83f2a 1657 ospace_frag="config/mt-ospace"
f48556b1
DD		 1658 ;;
1659 :d30v-*)
b6f83f2a 1660 ospace_frag="config/mt-d30v"
f48556b1
DD		 1661 ;;
1662 :m32r-* | :d10v-* | :fr30-*)
b6f83f2a 1663 ospace_frag="config/mt-ospace"
f48556b1
DD		 1664 ;;
1665 no:* | :*)
1666 ;;
1667 *)
1668 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1669 ;;
1670esac
252b5132 1671
f48556b1
DD		 1672# Default to using --with-stabs for certain targets.
1673if test x${with_stabs} = x ; then
1674 case "${target}" in
e31d1ea3 1675 mips*-*-irix[[56]]*)
f48556b1
DD		 1676 ;;
1677 mips*-*-* | alpha*-*-osf*)
1678 with_stabs=yes;
ae831be5 1679 extra_host_args="${extra_host_args} --with-stabs"
f48556b1
DD		 1680 ;;
1681 esac
1682fi
1683
1684# hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1685# them automatically.
1686case "${host}" in
1687 hppa*64*-*-hpux11*)
ae831be5 1688 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
f48556b1 1689 ;;
c92a0210
DD		 1690esac
1691
a0da8069
NN		 1692# Some systems (e.g., one of the i386-aix systems the gas testers are
1693# using) don't handle "\$" correctly, so don't use it here.
8013444f 1694tooldir='${exec_prefix}'/${target_alias}
a0da8069
NN		 1695build_tooldir=${tooldir}
1696
a0da8069
NN		 1697# Create a .gdbinit file which runs the one in srcdir
1698# and tells GDB to look there for source files.
1699
1700if test -r ${srcdir}/.gdbinit ; then
1701 case ${srcdir} in
1702 .) ;;
1703 *) cat > ./.gdbinit <<EOF
1704# ${NO_EDIT}
1705dir ${srcdir}
1706dir .
1707source ${srcdir}/.gdbinit
1708EOF
1709 ;;
1710 esac
1711fi
1712
252b5132
RH		 1713# Make sure that the compiler is able to generate an executable. If it
1714# can't, we are probably in trouble. We don't care whether we can run the
1715# executable--we might be using a cross compiler--we only care whether it
1716# can be created. At this point the main configure script has set CC.
a0c4f3a0 1717we_are_ok=no
252b5132
RH		 1718echo "int main () { return 0; }" > conftest.c
1719${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
a0c4f3a0
DD		 1720if test $? = 0 ; then
1721 if test -s conftest || test -s conftest.exe ; then
1722 we_are_ok=yes
1723 fi
1724fi
1725case $we_are_ok in
1726 no)
1727 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1728 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1729 rm -f conftest*
1730 exit 1
1731 ;;
1732esac
252b5132
RH		 1733rm -f conftest*
1734
1735# The Solaris /usr/ucb/cc compiler does not appear to work.
1736case "${host}" in
1737 sparc-sun-solaris2*)
1738 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
a0da8069 1739 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
252b5132 1740 could_use=
a0c4f3a0
DD		 1741 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1742 if test -d /opt/cygnus/bin ; then
1743 if test "$could_use" = "" ; then
252b5132
RH		 1744 could_use="/opt/cygnus/bin"
1745 else
1746 could_use="$could_use or /opt/cygnus/bin"
1747 fi
1748 fi
a0c4f3a0 1749 if test "$could_use" = "" ; then
252b5132
RH		 1750 echo "Warning: compilation may fail because you're using"
1751 echo "/usr/ucb/cc. You should change your PATH or CC "
1752 echo "variable and rerun configure."
1753 else
1754 echo "Warning: compilation may fail because you're using"
1755 echo "/usr/ucb/cc, when you should use the C compiler from"
1756 echo "$could_use. You should change your"
1757 echo "PATH or CC variable and rerun configure."
1758 fi
1759 fi
1760 ;;
1761esac
1762
8607b6c9
NN		 1763case "${host}" in
1764 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
9a237d9e 1765 *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
8607b6c9
NN		 1766 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1767esac
8607b6c9 1768
3866be5d
NN		 1769# Record target_configdirs and the configure arguments for target and
1770# build configuration in Makefile.
1771target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
6a9cf61e 1772build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
930314a4 1773
930314a4
NN		 1774# Determine whether gdb needs tk/tcl or not.
1775# Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1776# and in that case we want gdb to be built without tk. Ugh!
1777# In fact I believe gdb is the *only* package directly dependent on tk,
1778# so we should be able to put the 'maybe's in unconditionally and
1779# leave out the maybe dependencies when enable_gdbtk is false. I'm not
1780# 100% sure that that's safe though.
c180f501 1781
675c6968 1782gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
930314a4
NN		 1783case "$enable_gdbtk" in
1784 no)
1785 GDB_TK="" ;;
c180f501
AC		 1786 yes)
1787 GDB_TK="${gdb_tk}" ;;
930314a4 1788 *)
c180f501
AC		 1789 # Only add the dependency on gdbtk when GDBtk is part of the gdb
1790 # distro. Eventually someone will fix this and move Insight, nee
1791 # gdbtk to a separate directory.
1792 if test -d ${srcdir}/gdb/gdbtk ; then
1793 GDB_TK="${gdb_tk}"
1794 else
1795 GDB_TK=""
1796 fi
1797 ;;
930314a4 1798esac
907be67c
DJ		 1799CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
1800INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
930314a4 1801
6bd3dfaa 1802# Strip out unwanted targets.
dd12c3a8
NN		 1803
1804# While at that, we remove Makefiles if we were started for recursive
1805# configuration, so that the top-level Makefile reconfigures them,
1806# like we used to do when configure itself was recursive.
dd12c3a8 1807
6bd3dfaa
PB		 1808# Loop over modules. $extrasub must be used with care, limiting as
1809# much as possible the usage of range addresses. That's because autoconf
1810# splits the sed script to overcome limits in the number of commands,
1811# and relying on carefully-timed sed passes may turn out to be very hard
1812# to maintain later. In this particular case, you just have to be careful
1813# not to nest @if/@endif pairs, because configure will not warn you at all.
dd12c3a8 1814
498d4a71 1815AC_ARG_ENABLE([bootstrap],
80911fe1 1816[ --enable-bootstrap Enable bootstrapping [yes if native build]],,
9cb3fa6f
PB		 1817enable_bootstrap=default)
1818
1819# Issue errors and warnings for invalid/strange bootstrap combinations.
1820case "$configdirs" in
1821 *gcc*) have_compiler=yes ;;
1822 *) have_compiler=no ;;
1823esac
1824
1825case "$have_compiler:$host:$target:$enable_bootstrap" in
1826 *:*:*:no) ;;
1827
0aed8855 1828 # Default behavior. Enable bootstrap if we have a compiler
9cb3fa6f
PB		 1829 # and we are in a native configuration.
1830 yes:$build:$build:default)
0aed8855 1831 enable_bootstrap=yes ;;
9cb3fa6f
PB		 1832
1833 *:*:*:default)
1834 enable_bootstrap=no ;;
1835
1836 # We have a compiler and we are in a native configuration, bootstrap is ok
80911fe1 1837 yes:$build:$build:yes)
9cb3fa6f
PB		 1838 ;;
1839
1840 # Other configurations, but we have a compiler. Assume the user knows
1841 # what he's doing.
80911fe1 1842 yes:*:*:yes)
9cb3fa6f
PB		 1843 AC_MSG_WARN([trying to bootstrap a cross compiler])
1844 ;;
498d4a71 1845
9cb3fa6f 1846 # No compiler: if they passed --enable-bootstrap explicitly, fail
80911fe1 1847 no:*:*:yes)
9cb3fa6f
PB		 1848 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1849
1850 # Fail if wrong command line
1851 *)
1852 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1853 ;;
1854esac
1855
1856# Adjust the toplevel makefile according to whether bootstrap was selected.
498d4a71
CF		 1857case "$enable_bootstrap" in
1858 yes)
498d4a71
CF		 1859 bootstrap_suffix=bootstrap ;;
1860 no)
498d4a71
CF		 1861 bootstrap_suffix=no-bootstrap ;;
1862esac
498d4a71 1863
6a9cf61e 1864for module in ${build_configdirs} ; do
dd12c3a8
NN		 1865 if test -z "${no_recursion}" \
1866 && test -f ${build_subdir}/${module}/Makefile; then
1867 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1868 rm -f ${build_subdir}/${module}/Makefile
1869 fi
6bd3dfaa
PB		 1870 extrasub="$extrasub
1871/^@if build-$module\$/d
498d4a71
CF		 1872/^@endif build-$module\$/d
1873/^@if build-$module-$bootstrap_suffix\$/d
1874/^@endif build-$module-$bootstrap_suffix\$/d"
dd12c3a8
NN		 1875done
1876for module in ${configdirs} ; do
80911fe1
PB		 1877 if test -z "${no_recursion}"; then
1878 for file in stage*-${module}/Makefile ${module}/Makefile; do
1879 if test -f ${file}; then
1880 echo 1>&2 "*** removing ${file} to force reconfigure"
1881 rm -f ${file}
1882 fi
1883 done
dd12c3a8 1884 fi
6bd3dfaa
PB		 1885 extrasub="$extrasub
1886/^@if $module\$/d
498d4a71
CF		 1887/^@endif $module\$/d
1888/^@if $module-$bootstrap_suffix\$/d
1889/^@endif $module-$bootstrap_suffix\$/d"
dd12c3a8
NN		 1890done
1891for module in ${target_configdirs} ; do
1892 if test -z "${no_recursion}" \
1893 && test -f ${target_subdir}/${module}/Makefile; then
1894 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1895 rm -f ${target_subdir}/${module}/Makefile
1896 fi
6bd3dfaa
PB		 1897 extrasub="$extrasub
1898/^@if target-$module\$/d
498d4a71
CF		 1899/^@endif target-$module\$/d
1900/^@if target-$module-$bootstrap_suffix\$/d
1901/^@endif target-$module-$bootstrap_suffix\$/d"
930314a4 1902done
319cab08 1903
6bd3dfaa
PB		 1904extrasub="$extrasub
1905/^@if /,/^@endif /d"
930314a4 1906
a2cc058a
NN		 1907# Create the serialization dependencies. This uses a temporary file.
1908
e6bfb94a 1909AC_ARG_ENABLE([serial-configure],
1047cb91
DD		 1910[ --enable-serial-[{host,target,build}-]configure
1911 Force sequential configuration of
e6bfb94a 1912 sub-packages for the host, target or build
1047cb91
DD		 1913 machine, or all sub-packages])
1914
1915case ${enable_serial_configure} in
1916 yes)
1917 enable_serial_build_configure=yes
1918 enable_serial_host_configure=yes
1919 enable_serial_target_configure=yes
1920 ;;
1921esac
e6bfb94a 1922
a2cc058a
NN		 1923# These force 'configure's to be done one at a time, to avoid problems
1924# with contention over a shared config.cache.
1925rm -f serdep.tmp
e6bfb94a 1926echo '# serdep.tmp' > serdep.tmp
a2cc058a 1927olditem=
1047cb91 1928test "x${enable_serial_build_configure}" = xyes &&
a2cc058a
NN		 1929for item in ${build_configdirs} ; do
1930 case ${olditem} in
1931 "") ;;
e6bfb94a 1932 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 1933 esac
1934 olditem=${item}
1935done
1936olditem=
1047cb91 1937test "x${enable_serial_host_configure}" = xyes &&
a2cc058a
NN		 1938for item in ${configdirs} ; do
1939 case ${olditem} in
1940 "") ;;
e6bfb94a 1941 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 1942 esac
1943 olditem=${item}
1944done
1945olditem=
1047cb91 1946test "x${enable_serial_target_configure}" = xyes &&
a2cc058a
NN		 1947for item in ${target_configdirs} ; do
1948 case ${olditem} in
1949 "") ;;
e6bfb94a 1950 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 1951 esac
1952 olditem=${item}
1953done
a0da8069
NN		 1954serialization_dependencies=serdep.tmp
1955AC_SUBST_FILE(serialization_dependencies)
a2cc058a 1956
e6bfb94a
AO		 1957# Base args. Strip norecursion, cache-file, srcdir, host, build,
1958# target and nonopt. These are the ones we might not want to pass
f27d4f92
DJ		 1959# down to subconfigures. Also strip program-prefix, program-suffix,
1960# and program-transform-name, so that we can pass down a consistent
1961# program-transform-name. If autoconf has put single quotes around
1962# any of these arguments (because they contain shell metacharacters)
1963# then this will fail; in practice this only happens for
1964# --program-transform-name, so be sure to override --program-transform-name
1965# at the end of the argument list.
1966# These will be expanded by make, so quote '$'.
d2cc0e0d 1967cat <<\EOF_SED > conftestsed
54752a6b
NN		 1968s/ --no[[^ ]]*/ /g
1969s/ --c[[a-z-]]*[[= ]][[^ ]]*//g
1970s/ --sr[[a-z-]]*[[= ]][[^ ]]*//g
1971s/ --ho[[a-z-]]*[[= ]][[^ ]]*//g
1972s/ --bu[[a-z-]]*[[= ]][[^ ]]*//g
1973s/ --t[[a-z-]]*[[= ]][[^ ]]*//g
1974s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]*//g
1975s/ -cache-file[[= ]][[^ ]]*//g
1976s/ -srcdir[[= ]][[^ ]]*//g
1977s/ -host[[= ]][[^ ]]*//g
1978s/ -build[[= ]][[^ ]]*//g
1979s/ -target[[= ]][[^ ]]*//g
1980s/ -program-prefix[[= ]][[^ ]]*//g
1981s/ -program-suffix[[= ]][[^ ]]*//g
1982s/ -program-transform-name[[= ]][[^ ]]*//g
d2cc0e0d
GK		 1983s/ [[^' -][^ ]*] / /
1984s/^ *//;s/ *$//
8ff944f6
DJ		 1985s,\$,$$,g
1986EOF_SED
1987sed -f conftestsed <<EOF_SED > conftestsed.out
1988 ${ac_configure_args}
d2cc0e0d 1989EOF_SED
8ff944f6
DJ		 1990baseargs=`cat conftestsed.out`
1991rm -f conftestsed conftestsed.out
252b5132 1992
f27d4f92
DJ		 1993# Add in --program-transform-name, after --program-prefix and
1994# --program-suffix have been applied to it. Autoconf has already
1995# doubled dollar signs and backslashes in program_transform_name; we want
1996# the backslashes un-doubled, and then the entire thing wrapped in single
1997# quotes, because this will be expanded first by make and then by the shell.
1998# Also, because we want to override the logic in subdir configure scripts to
1999# choose program_transform_name, replace any s,x,x, with s,y,y,.
2000sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2001${program_transform_name}
2002EOF_SED
2003gcc_transform_name=`cat conftestsed.out`
2004rm -f conftestsed.out
2005baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2006
49b7683b
DD		 2007# For the build-side libraries, we just need to pretend we're native,
2008# and not use the same cache file. Multilibs are neither needed nor
2009# desired.
69e57115 2010build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} --target=${target_alias} ${baseargs}"
91e060aa 2011
ae831be5
NN		 2012# For host modules, accept cache file option, or specification as blank.
2013case "${cache_file}" in
2014"") # empty
2015 cache_file_option="" ;;
a0da8069 2016/* | [[A-Za-z]]:[[\\/]]* ) # absolute path
ae831be5
NN		 2017 cache_file_option="--cache-file=${cache_file}" ;;
2018*) # relative path
2019 cache_file_option="--cache-file=../${cache_file}" ;;
2020esac
2021
82252c06
NN		 2022# Host dirs don't like to share a cache file either, horribly enough.
2023# This seems to be due to autoconf 2.5x stupidity.
bb5dca17 2024host_configargs="--cache-file=./config.cache --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
ae831be5 2025
a0da8069 2026target_configargs=${baseargs}
49b7683b 2027
252b5132
RH		 2028# Passing a --with-cross-host argument lets the target libraries know
2029# whether they are being built with a cross-compiler or being built
2030# native. However, it would be better to use other mechanisms to make the
2031# sorts of decisions they want to make on this basis. Please consider
2032# this option to be deprecated. FIXME.
a0c4f3a0 2033if test x${is_cross_compiler} = xyes ; then
a0da8069 2034 target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
252b5132
RH		 2035fi
2036
2037# Default to --enable-multilib.
a0c4f3a0 2038if test x${enable_multilib} = x ; then
a0da8069 2039 target_configargs="--enable-multilib ${target_configargs}"
252b5132
RH		 2040fi
2041
2042# Pass --with-newlib if appropriate. Note that target_configdirs has
2043# changed from the earlier setting of with_newlib.
a0c4f3a0 2044if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
a0da8069 2045 target_configargs="--with-newlib ${target_configargs}"
252b5132
RH		 2046fi
2047
95036d20
NN		 2048# Different target subdirs use different values of certain variables
2049# (notably CXX). Worse, multilibs use *lots* of different values.
2050# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2051# it doesn't automatically accept command-line overrides of them.
2052# This means it's not safe for target subdirs to share a cache file,
2053# which is disgusting, but there you have it. Hopefully this can be
2054# fixed in future. It's still worthwhile to use a cache file for each
2055# directory. I think.
2056
ae380b45
MS		 2057# Pass the appropriate --build, --host, --target and --cache-file arguments.
2058# We need to pass --target, as newer autoconf's requires consistency
2059# for target_alias and gcc doesn't manage it consistently.
2060target_configargs="--cache-file=./config.cache --build=${build_alias} --host=${target_alias} --target=${target_alias} ${target_configargs}"
49b7683b 2061
9e449d3e 2062FLAGS_FOR_TARGET=
7c1f909c 2063case " $target_configdirs " in
75205f78 2064 *" newlib "*)
a0da8069 2065 case " $target_configargs " in
75205f78 2066 *" --with-newlib "*)
9e449d3e 2067 case "$target" in
63266560 2068 *-cygwin*)
564b43e5 2069 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' ;;
9e449d3e
AO		 2070 esac
2071
7450026c 2072 # If we're not building GCC, don't discard standard headers.
4d5fd396 2073 if test -d ${srcdir}/gcc; then
63266560 2074 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
7450026c
AO		 2075
2076 if test "${build}" != "${host}"; then
2077 # On Canadian crosses, CC_FOR_TARGET will have already been set
2078 # by `configure', so we won't have an opportunity to add -Bgcc/
2079 # to it. This is right: we don't want to search that directory
2080 # for binaries, but we want the header files in there, so add
2081 # them explicitly.
b00612cc 2082 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include'
7450026c
AO		 2083
2084 # Someone might think of using the pre-installed headers on
2085 # Canadian crosses, in case the installed compiler is not fully
2086 # compatible with the compiler being built. In this case, it
2087 # would be better to flag an error than risking having
2088 # incompatible object files being constructed. We can't
2089 # guarantee that an error will be flagged, but let's hope the
2090 # compiler will do it, when presented with incompatible header
2091 # files.
2092 fi
63266560
DD		 2093 fi
2094
0a0d0041 2095 case "${target}-${is_cross_compiler}" in
ec11bdc6 2096 i[[3456789]]86-*-linux*-no)
0a0d0041
TF		 2097 # Here host == target, so we don't need to build gcc,
2098 # so we don't want to discard standard headers.
2099 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
0a0d0041
TF		 2100 ;;
2101 *)
2102 # If we're building newlib, use its generic headers last, but search
2103 # for any libc-related directories first (so make it the last -B
2104 # switch).
2105 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2106 ;;
2107 esac
9e449d3e 2108 ;;
75205f78
DD		 2109 esac
2110 ;;
9e449d3e 2111esac
63266560 2112
5fbad20a
DD		 2113# Allow the user to override the flags for
2114# our build compiler if desired.
2115CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2116
63266560
DD		 2117# On Canadian crosses, we'll be searching the right directories for
2118# the previously-installed cross compiler, so don't bother to add
2119# flags for directories within the install tree of the compiler
2120# being built; programs in there won't even run.
4d5fd396 2121if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
9e449d3e 2122 # Search for pre-installed headers if nothing else fits.
bba45b8b 2123 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
9e449d3e 2124fi
63266560 2125
7c1f909c 2126if test "x${use_gnu_ld}" = x &&
f48556b1 2127 echo " ${configdirs} " | grep " ld " > /dev/null ; then
9e449d3e 2128 # Arrange for us to find uninstalled linker scripts.
b00612cc 2129 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
9e449d3e
AO		 2130fi
2131
a0da8069 2132# Makefile fragments.
3e707e94
PB		 2133for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2134do
2135 eval fragval=\$$frag
2136 if test $fragval != /dev/null; then
2137 eval $frag=${srcdir}/$fragval
2138 fi
2139done
a0da8069
NN		 2140AC_SUBST_FILE(host_makefile_frag)
2141AC_SUBST_FILE(target_makefile_frag)
2142AC_SUBST_FILE(alphaieee_frag)
2143AC_SUBST_FILE(ospace_frag)
2144
2145# Miscellanea: directories, flags, etc.
a0da8069 2146AC_SUBST(RPATH_ENVVAR)
a0da8069
NN		 2147AC_SUBST(tooldir)
2148AC_SUBST(build_tooldir)
907be67c 2149AC_SUBST(CONFIGURE_GDB_TK)
a0da8069 2150AC_SUBST(GDB_TK)
907be67c 2151AC_SUBST(INSTALL_GDB_TK)
a0da8069
NN		 2152
2153# Build module lists & subconfigure args.
a0da8069 2154AC_SUBST(build_configargs)
6a9cf61e 2155AC_SUBST(build_configdirs)
a0da8069
NN		 2156
2157# Host module lists & subconfigure args.
2158AC_SUBST(host_configargs)
2159AC_SUBST(configdirs)
a0da8069
NN		 2160
2161# Target module lists & subconfigure args.
a0da8069 2162AC_SUBST(target_configargs)
a6df5a19 2163
a0da8069
NN		 2164
2165# Build tools.
a0da8069 2166AC_SUBST(CC_FOR_BUILD)
a0da8069
NN		 2167AC_SUBST(config_shell)
2168
be01d343
PB		 2169# Generate default definitions for YACC, M4, LEX and other programs that run
2170# on the build machine. These are used if the Makefile can't locate these
2171# programs in objdir.
2172MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
2173
2174AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
2175case " $build_configdirs " in
2176 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
2177 *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
2178esac
2179
2180AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
2181case " $build_configdirs " in
2182 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
2183esac
2184
2185AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
2186case " $build_configdirs " in
2187 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
2188esac
2189
2190AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
2191case " $build_configdirs " in
2192 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2193 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
2194esac
2195
2196AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
2197case " $build_configdirs " in
2198 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2199esac
2200
2201AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
2202case " $build_configdirs " in
2203 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
2204 *)
2205changequote(,)
a4ef73e9 2206 # For an installed makeinfo, we require it to be from texinfo 4.4 or
be01d343
PB		 2207 # higher, else we use the "missing" dummy.
2208 if ${MAKEINFO} --version \
a4ef73e9 2209 | egrep 'texinfo[^0-9]*([1-3][0-9]|4\.[4-9]|[5-9])' >/dev/null 2>&1; then
be01d343
PB		 2210 :
2211 else
2212 MAKEINFO="$MISSING makeinfo"
2213 fi
2214 ;;
2215changequote([,])
2216esac
2217
2218# FIXME: expect and dejagnu may become build tools?
2219
2220AC_CHECK_PROGS(EXPECT, expect, expect)
2221case " $configdirs " in
2222 *" expect "*)
2223 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
2224 ;;
2225esac
2226
2227AC_CHECK_PROGS(RUNTEST, runtest, runtest)
2228case " $configdirs " in
2229 *" dejagnu "*)
2230 test $host = $build && RUNTEST='$$r/$(HOST_SUBDIR)/dejagnu/runtest'
2231 ;;
2232esac
2233
2234
a0da8069 2235# Host tools.
05cbd757
PB		 2236NCN_STRICT_CHECK_TOOLS(AR, ar)
2237NCN_STRICT_CHECK_TOOLS(AS, as)
2238NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
2239NCN_STRICT_CHECK_TOOLS(LD, ld)
be01d343 2240NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
05cbd757
PB		 2241NCN_STRICT_CHECK_TOOLS(NM, nm)
2242NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, :)
be01d343 2243NCN_STRICT_CHECK_TOOLS(STRIP, strip, :)
05cbd757
PB		 2244NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
2245NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
2246NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
a0da8069
NN		 2247AC_SUBST(CC)
2248AC_SUBST(CXX)
2249AC_SUBST(CFLAGS)
5fbad20a 2250AC_SUBST(CFLAGS_FOR_BUILD)
a0da8069 2251AC_SUBST(CXXFLAGS)
a0da8069 2252
be01d343 2253# Target tools.
2429c060
PB		 2254AC_ARG_WITH([build-time-tools],
2255 [ --with-build-time-tools=path
2256 use given path to find target tools during the build],
2257 [case x"$withval" in
2258 x/*) ;;
2259 *)
2260 with_build_time_tools=
2261 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
2262 ;;
2263 esac],
2264 [with_build_time_tools=])
2265
05cbd757
PB		 2266NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
2267NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
05cbd757
PB		 2268NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
2269NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
2270NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
2429c060
PB		 2271
2272ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
2273ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
2274ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
2275ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
2276ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
2277ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
2278ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
2279ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
2280ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
2281ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
55db4b87 2282
be01d343
PB		 2283RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
2284
2285GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
2286GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
2287GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
2288GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
2289 [gcc/g++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `test ! -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags || $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
2290 c++)
2291GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
2292 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
2293 c++)
2294GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
2295GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
2296GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
2297 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
2298GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
2299 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
2300GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
2301GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
2302GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
2303GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
2304GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
2305GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip])
2306GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
55db4b87 2307
be01d343 2308AC_SUBST(FLAGS_FOR_TARGET)
55db4b87 2309AC_SUBST(RAW_CXX_FOR_TARGET)
54752a6b 2310
a0da8069
NN		 2311# Certain tools may need extra flags.
2312AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2313RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2314NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
252b5132 2315
be01d343
PB		 2316# When building target libraries, except in a Canadian cross, we use
2317# the same toolchain as the compiler we just built.
2318COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
2319COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
2320COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
2321if test $host = $build; then
2322 case " $configdirs " in
2323 *" gcc "*)
2324 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
2325 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
2326 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
2327 ;;
2328 esac
2329fi
2330
2331AC_SUBST(COMPILER_AS_FOR_TARGET)
2332AC_SUBST(COMPILER_LD_FOR_TARGET)
2333AC_SUBST(COMPILER_NM_FOR_TARGET)
2334
6b784d9f
AO		 2335AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2336AC_ARG_ENABLE(maintainer-mode,
2337[ --enable-maintainer-mode enable make rules and dependencies not useful
2338 (and sometimes confusing) to the casual installer],
2339 USE_MAINTAINER_MODE=$enableval,
2340 USE_MAINTAINER_MODE=no)
2341AC_MSG_RESULT($USE_MAINTAINER_MODE)
2342AC_SUBST(MAINTAINER_MODE_TRUE)
2343AC_SUBST(MAINTAINER_MODE_FALSE)
2344if test "$USE_MAINTAINER_MODE" = yes; then
2345 MAINTAINER_MODE_TRUE=
2346 MAINTAINER_MODE_FALSE='#'
2347else
2348 MAINTAINER_MODE_TRUE='#'
2349 MAINTAINER_MODE_FALSE=
2350fi
2351MAINT=$MAINTAINER_MODE_TRUE
2352AC_SUBST(MAINT)dnl
2353
1d39f329
NN		 2354# ---------------------
2355# GCC bootstrap support
2356# ---------------------
2357
2358# Stage specific cflags for build.
2359stage1_cflags="-g"
2360case $build in
2361 vax-*-*)
2362 case ${GCC} in
2363 yes) stage1_cflags="-g -Wa,-J" ;;
2364 *) stage1_cflags="-g -J" ;;
2365 esac ;;
2366 powerpc-*-darwin*)
2367 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
2368 # sources; use -no-cpp-precomp to get to GNU cpp.
2369 # Apple's GCC has bugs in designated initializer handling, so disable
2370 # that too.
2371 stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
2372 ;;
2373esac
2374AC_SUBST(stage1_cflags)
2375
2376# Enable -Werror in bootstrap stage2 and later.
2377# Change the default to "no" on release branches.
2378AC_ARG_ENABLE(werror,
2379[ --enable-werror enable -Werror in bootstrap stage2 and later], [],
2380[enable_werror=yes])
1a6f2dc7
NN		 2381case ${enable_werror} in
2382 yes) stage2_werror_flag="--enable-werror-always" ;;
2383 *) stage2_werror_flag="" ;;
1d39f329 2384esac
1a6f2dc7 2385AC_SUBST(stage2_werror_flag)
1d39f329 2386
108a6f8e
CD		 2387# Flags needed to enable html installing and building
2388AC_ARG_WITH(datarootdir,
2389[ --with-datarootdir Use datarootdir as the data root directory.],
2390[datarootdir="\${prefix}/${withval}"],
2391[datarootdir="\${prefix}/share"])
2392
2393AC_ARG_WITH(docdir,
2394[ --with-docdir Install documentation in this directory.],
2395[docdir="\${prefix}/${withval}"],
2396[docdir="\${datarootdir}/doc"])
2397
2398AC_ARG_WITH(htmldir,
2399[ --with-htmldir Install html in this directory.],
2400[htmldir="\${prefix}/${withval}"],
2401[htmldir="\${docdir}"])
2402
2403AC_SUBST(datarootdir)
2404AC_SUBST(docdir)
2405AC_SUBST(htmldir)
2406
a0da8069 2407AC_OUTPUT(Makefile)
GDB Binutils - Deliverables
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