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Subversion Repositories openrisc_2011-10-31

[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.18.0/] [configure.ac] - Blame information for rev 207

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1 207 jeremybenn
#   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2
#   2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation,
3
#   Inc.
4
#
5
# This file is free software; you can redistribute it and/or modify it
6
# under the terms of the GNU General Public License as published by
7
# the Free Software Foundation; either version 3 of the License, or
8
# (at your option) any later version.
9
#
10
# This program is distributed in the hope that it will be useful, but
11
# WITHOUT ANY WARRANTY; without even the implied warranty of
12
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13
# General Public License for more details.
14
#
15
# You should have received a copy of the GNU General Public License
16
# along with this program; see the file COPYING3.  If not see
17
# .
18
 
19
##############################################################################
20
### WARNING: this file contains embedded tabs.  Do not run untabify on this file.
21
 
22
m4_include(config/acx.m4)
23
m4_include(config/override.m4)
24
m4_include(config/proginstall.m4)
25
 
26
AC_INIT(move-if-change)
27
AC_PREREQ(2.64)
28
AC_DISABLE_OPTION_CHECKING
29
 
30
progname=$0
31
# if PWD already has a value, it is probably wrong.
32
if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
33
 
34
# Export original configure arguments for use by sub-configures.
35
# Quote arguments with shell meta charatcers.
36
TOPLEVEL_CONFIGURE_ARGUMENTS=
37
set -- "$progname" "$@"
38
for ac_arg
39
do
40
  case "$ac_arg" in
41
  *" "*|*"      "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
42
    ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
43
    # if the argument is of the form -foo=baz, quote the baz part only
44
    ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
45
  *) ;;
46
  esac
47
  # Add the quoted argument to the list.
48
  TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
49
done
50
if test "$silent" = yes; then
51
  TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
52
fi
53
# Remove the initial space we just introduced and, as these will be
54
# expanded by make, quote '$'.
55
TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
56
AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
57
 
58
# Find the build, host, and target systems.
59
ACX_NONCANONICAL_BUILD
60
ACX_NONCANONICAL_HOST
61
ACX_NONCANONICAL_TARGET
62
 
63
dnl Autoconf 2.5x and later will set a default program prefix if
64
dnl --target was used, even if it was the same as --host.  Disable
65
dnl that behavior.  This must be done before AC_CANONICAL_SYSTEM
66
dnl to take effect.
67
test "$host_noncanonical" = "$target_noncanonical" &&
68
  test "$program_prefix$program_suffix$program_transform_name" = \
69
    NONENONEs,x,x, &&
70
  program_transform_name=s,y,y,
71
 
72
AC_CANONICAL_SYSTEM
73
AC_ARG_PROGRAM
74
 
75
m4_pattern_allow([^AS_FOR_TARGET$])dnl
76
m4_pattern_allow([^AS_FOR_BUILD$])dnl
77
 
78
# Get 'install' or 'install-sh' and its variants.
79
AC_PROG_INSTALL
80
ACX_PROG_LN
81
AC_PROG_LN_S
82
AC_PROG_SED
83
AC_PROG_AWK
84
 
85
### we might need to use some other shell than /bin/sh for running subshells
86
### If we are on Windows, search for the shell.  This will permit people
87
### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
88
### without also having to set CONFIG_SHELL.  This code will work when
89
### using bash, which sets OSTYPE.
90
case "${OSTYPE}" in
91
*win32*)
92
  if test x${CONFIG_SHELL} = x ; then
93
    if test ! -f /bin/sh ; then
94
      if test x${SHELL} != x && test -f ${SHELL} ; then
95
        CONFIG_SHELL=${SHELL}
96
        export CONFIG_SHELL
97
      else
98
        for prog in sh sh.exe bash bash.exe; do
99
          IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
100
          for dir in $PATH; do
101
            test -z "$dir" && dir=.
102
            if test -f $dir/$prog; then
103
              CONFIG_SHELL=$dir/$prog
104
              export CONFIG_SHELL
105
              break
106
            fi
107
          done
108
          IFS="$save_ifs"
109
          test -n "${CONFIG_SHELL}" && break
110
        done
111
      fi
112
    fi
113
  fi
114
  ;;
115
esac
116
 
117
config_shell=${CONFIG_SHELL-/bin/sh}
118
 
119
moveifchange=${srcdir}/move-if-change
120
 
121
srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
122
 
123
# We pass INSTALL explicitly to sub-makes.  Make sure that it is not
124
# a relative path.
125
if test "$INSTALL" = "${srcdir}/install-sh -c"; then
126
  INSTALL="${srcpwd}/install-sh -c"
127
fi
128
 
129
# Set srcdir to "." if that's what it is.
130
# This is important for multilib support.
131
pwd=`${PWDCMD-pwd}`
132
if test "${pwd}" = "${srcpwd}" ; then
133
  srcdir=.
134
fi
135
 
136
topsrcdir=$srcpwd
137
 
138
extra_host_args=
139
 
140
### To add a new directory to the tree, first choose whether it is a target
141
### or a host dependent tool.  Then put it into the appropriate list
142
### (library or tools, host or target), doing a dependency sort.
143
 
144
# Subdirs will be configured in the order listed in build_configdirs,
145
# configdirs, or target_configdirs; see the serialization section below.
146
 
147
# Dependency sorting is only needed when *configuration* must be done in
148
# a particular order.  In all cases a dependency should be specified in
149
# the Makefile, whether or not it's implicitly specified here.
150
 
151
# Double entries in build_configdirs, configdirs, or target_configdirs may
152
# cause circular dependencies and break everything horribly.
153
 
154
# these library is used by various programs built for the build
155
# environment
156
#
157
build_libs="build-libiberty"
158
 
159
# these tools are built for the build environment
160
build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
161
 
162
# these libraries are used by various programs built for the host environment
163
#
164
host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr mpc ppl cloog libelf libiconv"
165
 
166
# these tools are built for the host environment
167
# Note, the powerpc-eabi build depends on sim occurring before gdb in order to
168
# know that we are building the simulator.
169
# binutils, gas and ld appear in that order because it makes sense to run
170
# "make check" in that particular order.
171
# If --enable-gold is used, "gold" will replace "ld".
172
host_tools="texinfo byacc flex bison binutils gas ld fixincludes gcc cgen 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"
173
 
174
# libgcj represents the runtime libraries only used by gcj.
175
libgcj="target-libffi \
176
        target-zlib \
177
        target-qthreads \
178
        target-libjava"
179
 
180
# these libraries are built for the target environment, and are built after
181
# the host libraries and the host tools (which may be a cross compiler)
182
#
183
target_libraries="target-libgcc \
184
                target-libiberty \
185
                target-libgloss \
186
                target-newlib \
187
                target-libgomp \
188
                target-libstdc++-v3 \
189
                target-libmudflap \
190
                target-libssp \
191
                target-libgfortran \
192
                target-boehm-gc \
193
                ${libgcj} \
194
                target-libobjc \
195
                target-libada"
196
 
197
# these tools are built using the target libraries, and are intended to
198
# run only in the target environment
199
#
200
# note: any program that *uses* libraries that are in the "target_libraries"
201
# list belongs in this list.  those programs are also very likely
202
# candidates for the "native_only" list which follows
203
#
204
target_tools="target-examples target-groff target-gperf target-rda"
205
 
206
################################################################################
207
 
208
## All tools belong in one of the four categories, and are assigned above
209
## We assign ${configdirs} this way to remove all embedded newlines.  This
210
## is important because configure will choke if they ever get through.
211
## ${configdirs} is directories we build using the host tools.
212
## ${target_configdirs} is directories we build using the target tools.
213
configdirs=`echo ${host_libs} ${host_tools}`
214
target_configdirs=`echo ${target_libraries} ${target_tools}`
215
build_configdirs=`echo ${build_libs} ${build_tools}`
216
 
217
m4_divert_text([PARSE_ARGS],
218
[ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
219
])
220
 
221
################################################################################
222
 
223
srcname="gnu development package"
224
 
225
# This gets set non-empty for some net releases of packages.
226
appdirs=""
227
 
228
# Define is_cross_compiler to save on calls to 'test'.
229
is_cross_compiler=
230
if test x"${host}" = x"${target}" ; then
231
  is_cross_compiler=no
232
else
233
  is_cross_compiler=yes
234
fi
235
 
236
# Find the build and target subdir names.
237
GCC_TOPLEV_SUBDIRS
238
# Be sure to cover against remnants of an in-tree build.
239
if test $srcdir != .  && test -d $srcdir/host-${host_noncanonical}; then
240
  AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
241
Use a pristine source tree when building in a separate tree])
242
fi
243
 
244
# Skipdirs are removed silently.
245
skipdirs=
246
# Noconfigdirs are removed loudly.
247
noconfigdirs=""
248
 
249
use_gnu_ld=
250
# Make sure we don't let GNU ld be added if we didn't want it.
251
if test x$with_gnu_ld = xno ; then
252
  use_gnu_ld=no
253
  noconfigdirs="$noconfigdirs ld gold"
254
fi
255
 
256
use_gnu_as=
257
# Make sure we don't let GNU as be added if we didn't want it.
258
if test x$with_gnu_as = xno ; then
259
  use_gnu_as=no
260
  noconfigdirs="$noconfigdirs gas"
261
fi
262
 
263
use_included_zlib=
264
# Make sure we don't let ZLIB be added if we didn't want it.
265
if test x$with_system_zlib = xyes ; then
266
  use_included_zlib=no
267
  noconfigdirs="$noconfigdirs zlib"
268
fi
269
 
270
# some tools are so dependent upon X11 that if we're not building with X,
271
# it's not even worth trying to configure, much less build, that tool.
272
 
273
case ${with_x} in
274
  yes | "") ;; # the default value for this tree is that X11 is available
275
  no)
276
    skipdirs="${skipdirs} tk itcl libgui"
277
    # We won't be able to build gdbtk without X.
278
    enable_gdbtk=no
279
    ;;
280
  *)  echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
281
esac
282
 
283
# Some tools are only suitable for building in a "native" situation.
284
# Remove these if host!=target.
285
native_only="autoconf automake libtool fileutils find gawk gettext gzip hello indent m4 rcs recode sed shellutils tar textutils uudecode wdiff target-groff guile perl time ash bash bzip2 prms gnuserv target-gperf"
286
 
287
# Similarly, some are only suitable for cross toolchains.
288
# Remove these if host=target.
289
cross_only="target-libgloss target-newlib target-opcodes"
290
 
291
case $is_cross_compiler in
292
  no) skipdirs="${skipdirs} ${cross_only}" ;;
293
  yes) skipdirs="${skipdirs} ${native_only}" ;;
294
esac
295
 
296
# If both --with-headers and --with-libs are specified, default to
297
# --without-newlib.
298
if test x"${with_headers}" != x && test x"${with_headers}" != xno \
299
   && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
300
  if test x"${with_newlib}" = x ; then
301
    with_newlib=no
302
  fi
303
fi
304
 
305
# Recognize --with-newlib/--without-newlib.
306
case ${with_newlib} in
307
  no) skipdirs="${skipdirs} target-newlib" ;;
308
  yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
309
esac
310
 
311
# Handle --enable-gold.
312
 
313
AC_ARG_ENABLE(gold,
314
[  --enable-gold           use gold instead of ld],
315
ENABLE_GOLD=$enableval,
316
ENABLE_GOLD=no)
317
if test "${ENABLE_GOLD}" = "yes"; then
318
  # Check for ELF target.
319
  is_elf=no
320
  case "${target}" in
321
    *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
322
    | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
323
    | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-solaris2* | *-*-nto*)
324
      case "${target}" in
325
        *-*-linux*aout* | *-*-linux*oldld*)
326
          ;;
327
        *)
328
          is_elf=yes
329
          ;;
330
      esac
331
  esac
332
 
333
  if test "$is_elf" = "yes"; then
334
    # Check for target supported by gold.
335
    case "${target}" in
336
      i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*)
337
        configdirs="`echo " ${configdirs} " | sed -e 's/ ld / gold /'`"
338
        ;;
339
    esac
340
  fi
341
fi
342
 
343
# Configure extra directories which are host specific
344
 
345
case "${host}" in
346
  *-cygwin*)
347
    configdirs="$configdirs libtermcap" ;;
348
esac
349
 
350
# A target can indicate whether a language isn't supported for some reason.
351
# Only spaces may be used in this macro; not newlines or tabs.
352
unsupported_languages=
353
 
354
# Remove more programs from consideration, based on the host or
355
# target this usually means that a port of the program doesn't
356
# exist yet.
357
 
358
case "${host}" in
359
  hppa*64*-*-*)
360
    noconfigdirs="$noconfigdirs byacc"
361
    ;;
362
  i[[3456789]]86-*-vsta)
363
    noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
364
    ;;
365
  i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
366
    noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
367
    ;;
368
  x86_64-*-mingw*)
369
    noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
370
    ;;
371
  i[[3456789]]86-*-mingw32*)
372
    # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
373
    noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
374
    ;;
375
  i[[3456789]]86-*-beos*)
376
    noconfigdirs="$noconfigdirs tk itcl libgui gdb"
377
    ;;
378
  *-*-cygwin*)
379
    noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
380
    ;;
381
  *-*-netbsd*)
382
    noconfigdirs="$noconfigdirs rcs"
383
    ;;
384
  ppc*-*-pe)
385
    noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
386
    ;;
387
  powerpc-*-beos*)
388
    noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
389
    ;;
390
esac
391
 
392
 
393
AC_ARG_ENABLE(libada,
394
[  --enable-libada         build libada directory],
395
ENABLE_LIBADA=$enableval,
396
ENABLE_LIBADA=yes)
397
if test "${ENABLE_LIBADA}" != "yes" ; then
398
  noconfigdirs="$noconfigdirs gnattools"
399
fi
400
 
401
AC_ARG_ENABLE(libssp,
402
[  --enable-libssp         build libssp directory],
403
ENABLE_LIBSSP=$enableval,
404
ENABLE_LIBSSP=yes)
405
 
406
# Save it here so that, even in case of --enable-libgcj, if the Java
407
# front-end isn't enabled, we still get libgcj disabled.
408
libgcj_saved=$libgcj
409
case $enable_libgcj in
410
yes)
411
  # If we reset it here, it won't get added to noconfigdirs in the
412
  # target-specific build rules, so it will be forcibly enabled
413
  # (unless the Java language itself isn't enabled).
414
  libgcj=
415
  ;;
416
no)
417
  # Make sure we get it printed in the list of not supported target libs.
418
  noconfigdirs="$noconfigdirs ${libgcj}"
419
  ;;
420
esac
421
 
422
 
423
# Disable libmudflap on some systems.
424
if test x$enable_libmudflap = x ; then
425
    case "${target}" in
426
    *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
427
        # Enable libmudflap by default in GNU and friends.
428
        ;;
429
    *-*-freebsd*)
430
        # Enable libmudflap by default in FreeBSD.
431
        ;;
432
    *)
433
        # Disable it by default everywhere else.
434
        noconfigdirs="$noconfigdirs target-libmudflap"
435
        ;;
436
    esac
437
fi
438
 
439
# Disable libgomp on non POSIX hosted systems.
440
if test x$enable_libgomp = x ; then
441
    # Enable libgomp by default on hosted POSIX systems.
442
    case "${target}" in
443
    *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
444
        ;;
445
    *-*-netbsd* | *-*-freebsd* | *-*-openbsd*)
446
        ;;
447
    *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
448
        ;;
449
    *-*-darwin* | *-*-aix*)
450
        ;;
451
    *)
452
        noconfigdirs="$noconfigdirs target-libgomp"
453
        ;;
454
    esac
455
fi
456
 
457
# Default libgloss CPU subdirectory.
458
libgloss_dir="$target_cpu"
459
 
460
case "${target}" in
461
  *-*-chorusos)
462
    noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
463
    ;;
464
  powerpc-*-darwin*)
465
    noconfigdirs="$noconfigdirs ld gas gdb gprof"
466
    noconfigdirs="$noconfigdirs sim target-rda"
467
    ;;
468
  i[[3456789]]86-*-darwin*)
469
    noconfigdirs="$noconfigdirs ld gprof"
470
    noconfigdirs="$noconfigdirs sim target-rda"
471
    ;;
472
  x86_64-*-darwin[[912]]*)
473
    noconfigdirs="$noconfigdirs ld gas gprof"
474
    noconfigdirs="$noconfigdirs sim target-rda"
475
    ;;
476
  *-*-darwin*)
477
    noconfigdirs="$noconfigdirs ld gas gdb gprof"
478
    noconfigdirs="$noconfigdirs sim target-rda"
479
    noconfigdirs="$noconfigdirs ${libgcj}"
480
    ;;
481
  *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
482
    noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
483
    ;;
484
  *-*-freebsd*)
485
    noconfigdirs="$noconfigdirs target-newlib target-libgloss"
486
    if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
487
        && test -f /usr/local/include/gmp.h; then
488
      with_gmp=/usr/local
489
    fi
490
 
491
    # Skip some stuff that's unsupported on some FreeBSD configurations.
492
    case "${target}" in
493
      i*86-*-*) ;;
494
      alpha*-*-*) ;;
495
      *)
496
        noconfigdirs="$noconfigdirs ${libgcj}"
497
        ;;
498
    esac
499
    ;;
500
  *-*-kaos*)
501
    # Remove unsupported stuff on all kaOS configurations.
502
    skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
503
    skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
504
    skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
505
    noconfigdirs="$noconfigdirs target-libgloss"
506
    ;;
507
  *-*-netbsd*)
508
    # Skip some stuff on all NetBSD configurations.
509
    noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
510
 
511
    # Skip some stuff that's unsupported on some NetBSD configurations.
512
    case "${target}" in
513
      i*86-*-netbsdelf*) ;;
514
      arm*-*-netbsdelf*) ;;
515
      *)
516
        noconfigdirs="$noconfigdirs ${libgcj}"
517
        ;;
518
    esac
519
    ;;
520
  *-*-netware*)
521
    noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
522
    ;;
523
  *-*-rtems*)
524
    noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
525
    ;;
526
    # The tpf target doesn't support gdb yet.
527
  *-*-tpf*)
528
    noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} target-libmudflap gdb tcl tk libgui itcl"
529
    ;;
530
  *-*-uclinux*)
531
    noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
532
    ;;
533
  *-*-vxworks*)
534
    noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty target-libstdc++-v3 ${libgcj}"
535
    ;;
536
  alpha*-dec-osf*)
537
    # ld works, but does not support shared libraries.
538
    # newlib is not 64 bit ready.  I'm not sure about fileutils.
539
    # gas doesn't generate exception information.
540
    noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
541
    ;;
542
  alpha*-*-*vms*)
543
    noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
544
    ;;
545
  alpha*-*-linux*)
546
    # newlib is not 64 bit ready
547
    noconfigdirs="$noconfigdirs target-newlib target-libgloss"
548
    ;;
549
  alpha*-*-*)
550
    # newlib is not 64 bit ready
551
    noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
552
    ;;
553
  am33_2.0-*-linux*)
554
    noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
555
    ;;
556
  sh-*-linux*)
557
    noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
558
    ;;
559
  sh*-*-pe|mips*-*-pe|*arm-wince-pe)
560
    noconfigdirs="$noconfigdirs ${libgcj}"
561
    noconfigdirs="$noconfigdirs target-examples"
562
    noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
563
    noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
564
    noconfigdirs="$noconfigdirs expect dejagnu"
565
    # the C++ libraries don't build on top of CE's C libraries
566
    noconfigdirs="$noconfigdirs target-libstdc++-v3"
567
    noconfigdirs="$noconfigdirs target-newlib"
568
    case "${host}" in
569
      *-*-cygwin*) ;; # keep gdb and readline
570
      *) noconfigdirs="$noconfigdirs gdb readline"
571
         ;;
572
    esac
573
    libgloss_dir=wince
574
    ;;
575
  arc-*-*)
576
    noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
577
    ;;
578
  arm-semi-aof )
579
    ;;
580
  arm-*-coff | strongarm-*-coff | xscale-*-coff)
581
    noconfigdirs="$noconfigdirs ${libgcj}"
582
    libgloss_dir=arm
583
    ;;
584
  arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
585
    noconfigdirs="$noconfigdirs target-libffi target-qthreads"
586
    libgloss_dir=arm
587
    ;;
588
  arm*-*-linux-gnueabi)
589
    noconfigdirs="$noconfigdirs target-qthreads"
590
    case ${with_newlib} in
591
      no) noconfigdirs="$noconfigdirs target-newlib target-libgloss"
592
    esac
593
    libgloss_dir=arm
594
    ;;
595
  arm*-*-symbianelf*)
596
    noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
597
    libgloss_dir=arm
598
    ;;
599
  arm-*-pe*)
600
    noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
601
    ;;
602
  thumb-*-coff)
603
    noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
604
    ;;
605
  thumb-*-elf)
606
    noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
607
    ;;
608
  thumb-*-pe)
609
    noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
610
    ;;
611
  arm-*-riscix*)
612
    noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
613
    ;;
614
  avr-*-*)
615
    noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj} target-libssp"
616
    ;;
617
  bfin-*-*)
618
    unsupported_languages="$unsupported_languages java"
619
    noconfigdirs="$noconfigdirs target-boehm-gc gdb"
620
    if test x${is_cross_compiler} != xno ; then
621
      target_configdirs="${target_configdirs} target-bsp target-cygmon"
622
    fi
623
    ;;
624
  c4x-*-* | tic4x-*-*)
625
    noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
626
    ;;
627
  c54x*-*-* | tic54x-*-*)
628
    noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
629
    ;;
630
  cr16-*-*)
631
    noconfigdirs="$noconfigdirs ${libgcj} gdb"
632
    ;;
633
  cris-*-* | crisv32-*-*)
634
    unsupported_languages="$unsupported_languages java"
635
    case "${target}" in
636
      *-*-aout)
637
        unsupported_languages="$unsupported_languages fortran"
638
        noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
639
      *-*-elf)
640
        noconfigdirs="$noconfigdirs target-boehm-gc";;
641
      *-*-linux*)
642
        noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
643
      *)
644
        unsupported_languages="$unsupported_languages fortran"
645
        noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
646
    esac
647
    libgloss_dir=cris
648
    ;;
649
  crx-*-*)
650
    noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
651
    ;;
652
  d10v-*-*)
653
    noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
654
    ;;
655
  d30v-*-*)
656
    noconfigdirs="$noconfigdirs ${libgcj} gdb"
657
    ;;
658
  ep9312-*-elf | ep9312-*-coff)
659
    libgloss_dir=arm
660
    ;;
661
  fr30-*-elf*)
662
    noconfigdirs="$noconfigdirs ${libgcj} gdb"
663
    ;;
664
  frv-*-*)
665
    noconfigdirs="$noconfigdirs ${libgcj}"
666
    ;;
667
  moxie-*-*)
668
    noconfigdirs="$noconfigdirs ${libgcj}"
669
    noconfigdirs="$noconfigdirs gprof"
670
    ;;
671
  h8300*-*-*)
672
    noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
673
    ;;
674
  h8500-*-*)
675
    noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
676
    ;;
677
  hppa1.1-*-osf* | hppa1.1-*-bsd* )
678
    ;;
679
  hppa*64*-*-linux* | parisc*64*-*-linux*)
680
    # In this case, it's because the hppa64-linux target is for
681
    # the kernel only at this point and has no libc, and thus no
682
    # headers, crt*.o, etc., all of which are needed by these.
683
    noconfigdirs="$noconfigdirs target-zlib"
684
    ;;
685
  parisc*-*-linux* | hppa*-*-linux*)
686
    ;;
687
  hppa*-*-*elf* | \
688
  hppa*-*-lites* | \
689
  hppa*-*-openbsd* | \
690
  hppa*64*-*-*)
691
    noconfigdirs="$noconfigdirs ${libgcj}"
692
    ;;
693
  hppa*-hp-hpux11*)
694
    noconfigdirs="$noconfigdirs ld shellutils"
695
    ;;
696
  hppa*-*-pro*)
697
    libgloss_dir=pa
698
    ;;
699
  hppa*-*-*)
700
    # According to Alexandre Oliva , libjava won't
701
    # build on HP-UX 10.20.
702
    noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
703
    ;;
704
  i960-*-*)
705
    noconfigdirs="$noconfigdirs ${libgcj} gdb"
706
    ;;
707
  ia64*-*-elf*)
708
    # No gdb support yet.
709
    noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
710
    ;;
711
  ia64*-**-hpux*)
712
    # No gdb or ld support yet.
713
    noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
714
    ;;
715
  ia64*-*-*vms*)
716
    # No gdb or ld support yet.
717
    noconfigdirs="$noconfigdirs ${libgcj} tix readline mmalloc libgui itcl gdb ld"
718
    ;;
719
  i370-*-opened*)
720
    ;;
721
  i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
722
    noconfigdirs="$noconfigdirs ${libgcj}"
723
    libgloss_dir=i386
724
    ;;
725
  i[[3456789]]86-*-linux*)
726
    # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
727
    # not build java stuff by default.
728
    case "${target}" in
729
      *-*-*libc1*)
730
        noconfigdirs="$noconfigdirs ${libgcj}";;
731
    esac
732
 
733
    # This section makes it possible to build newlib natively on linux.
734
    # If we are using a cross compiler then don't configure newlib.
735
    if test x${is_cross_compiler} != xno ; then
736
      noconfigdirs="$noconfigdirs target-newlib"
737
    fi
738
    noconfigdirs="$noconfigdirs target-libgloss"
739
    # If we are not using a cross compiler, do configure newlib.
740
    # Note however, that newlib will only be configured in this situation
741
    # if the --with-newlib option has been given, because otherwise
742
    # 'target-newlib' will appear in skipdirs.
743
    ;;
744
  i[[3456789]]86-w64-mingw*)
745
    noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
746
    ;;
747
  i[[3456789]]86-*-mingw*)
748
    target_configdirs="$target_configdirs target-winsup"
749
    noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
750
    ;;
751
  x86_64-*-mingw*)
752
    noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
753
    ;;
754
  *-*-cygwin*)
755
    target_configdirs="$target_configdirs target-libtermcap target-winsup"
756
    noconfigdirs="$noconfigdirs target-gperf target-libgloss"
757
    # always build newlib if winsup directory is present.
758
    if test -d "$srcdir/winsup/cygwin"; then
759
      skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
760
    elif test -d "$srcdir/newlib"; then
761
      echo "Warning: winsup/cygwin is missing so newlib can't be built."
762
    fi
763
    ;;
764
  i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
765
  i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
766
    ;;
767
  i[[3456789]]86-*-pe)
768
    noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
769
    ;;
770
  i[[3456789]]86-*-sco3.2v5*)
771
    # The linker does not yet know about weak symbols in COFF,
772
    # and is not configured to handle mixed ELF and COFF.
773
    noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
774
    ;;
775
  i[[3456789]]86-*-sco*)
776
    noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
777
    ;;
778
  i[[3456789]]86-*-solaris2*)
779
    noconfigdirs="$noconfigdirs target-libgloss"
780
    ;;
781
  i[[3456789]]86-*-sysv4*)
782
    noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
783
    ;;
784
  i[[3456789]]86-*-beos*)
785
    noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
786
    ;;
787
  i[[3456789]]86-*-rdos*)
788
    noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
789
    ;;
790
  m32r-*-*)
791
    noconfigdirs="$noconfigdirs ${libgcj}"
792
    ;;
793
  m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
794
    noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
795
    libgloss_dir=m68hc11
796
    ;;
797
  m68k-*-elf*)
798
    noconfigdirs="$noconfigdirs ${libgcj}"
799
    ;;
800
  m68k-*-coff*)
801
    noconfigdirs="$noconfigdirs ${libgcj}"
802
    ;;
803
  m68*-*-* | fido-*-*)
804
    libgloss_dir=m68k
805
    ;;
806
  mcore-*-pe*)
807
  # The EPOC C++ environment does not support exceptions or rtti,
808
  # and so building libstdc++-v3 tends not to always work.
809
    noconfigdirs="$noconfigdirs target-libstdc++-v3"
810
    ;;
811
  mmix-*-*)
812
    noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
813
    unsupported_languages="$unsupported_languages fortran java"
814
    ;;
815
  mn10200-*-*)
816
    noconfigdirs="$noconfigdirs ${libgcj}"
817
    ;;
818
  mn10300-*-*)
819
    noconfigdirs="$noconfigdirs ${libgcj}"
820
    ;;
821
  mt-*-*)
822
    noconfigdirs="$noconfigdirs sim"
823
    ;;
824
  powerpc-*-aix*)
825
    # copied from rs6000-*-* entry
826
    noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
827
    ;;
828
  powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
829
    target_configdirs="$target_configdirs target-winsup"
830
    noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
831
    # always build newlib.
832
    skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
833
    ;;
834
    # This is temporary until we can link against shared libraries
835
  powerpcle-*-solaris*)
836
    noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
837
    libgloss_dir=rs6000
838
    ;;
839
  powerpc-*-beos*)
840
    noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
841
    ;;
842
  powerpc-*-eabi)
843
    noconfigdirs="$noconfigdirs ${libgcj}"
844
    libgloss_dir=rs6000
845
    ;;
846
  powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
847
    libgloss_dir=rs6000
848
    ;;
849
  rs6000-*-lynxos*)
850
    noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
851
    ;;
852
  rs6000-*-aix*)
853
    noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
854
    ;;
855
  rs6000-*-*)
856
    noconfigdirs="$noconfigdirs gprof ${libgcj}"
857
    ;;
858
  m68k-apollo-*)
859
    noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
860
    ;;
861
  microblaze*)
862
    noconfigdirs="$noconfigdirs gprof ${libgcj}"
863
    ;;
864
  mips*-sde-elf*)
865
    skipdirs="$skipdirs target-libiberty"
866
    noconfigdirs="$noconfigdirs ${libgcj}"
867
    if test x$with_newlib = xyes; then
868
      noconfigdirs="$noconfigdirs gprof"
869
    fi
870
    libgloss_dir=mips
871
    ;;
872
  mips*-*-irix5*)
873
    noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
874
    ;;
875
  mips*-*-irix6*)
876
    # Linking libjava exceeds command-line length limits on at least
877
    # IRIX 6.2, but not on IRIX 6.5.
878
    # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
879
    # 
880
    noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
881
    ;;
882
  mips*-*-bsd*)
883
    noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
884
    ;;
885
  mips*-*-linux*)
886
    noconfigdirs="$noconfigdirs target-newlib target-libgloss"
887
    ;;
888
  mips*-*-*)
889
    noconfigdirs="$noconfigdirs gprof ${libgcj}"
890
    libgloss_dir=mips
891
    ;;
892
  romp-*-*)
893
    noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
894
    ;;
895
  sh-*-* | sh64-*-*)
896
    case "${host}" in
897
      i[[3456789]]86-*-vsta) ;; # don't add gprof back in
898
      i[[3456789]]86-*-go32*) ;; # don't add gprof back in
899
      i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
900
      *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
901
    esac
902
    case "${target}" in
903
      sh*-*-elf)
904
         noconfigdirs="$noconfigdirs ${libgcj}" ;;
905
      *)
906
         noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" ;;
907
    esac
908
    ;;
909
  sparclet-*-aout* | sparc86x-*-*)
910
    libgloss_dir=sparc
911
    ;;
912
  sparc-*-elf*)
913
    noconfigdirs="$noconfigdirs ${libgcj}"
914
    ;;
915
  sparc64-*-elf*)
916
    noconfigdirs="$noconfigdirs ${libgcj}"
917
    libgloss_dir=sparc
918
    ;;
919
  sparclite-*-*)
920
    noconfigdirs="$noconfigdirs ${libgcj}"
921
    libgloss_dir=sparc
922
    ;;
923
  sparc-*-sunos4*)
924
    noconfigdirs="$noconfigdirs ${libgcj}"
925
    if test x${is_cross_compiler} != xno ; then
926
           noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
927
    else
928
           use_gnu_ld=no
929
    fi
930
    ;;
931
  sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
932
    noconfigdirs="$noconfigdirs ${libgcj}"
933
    ;;
934
  sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
935
    ;;
936
  v810-*-*)
937
    noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
938
    ;;
939
  v850-*-*)
940
    noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
941
    ;;
942
  v850e-*-*)
943
    noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
944
    ;;
945
  v850ea-*-*)
946
    noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
947
    ;;
948
  vax-*-vms)
949
    noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
950
    ;;
951
  vax-*-*)
952
    noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
953
    ;;
954
  xtensa*-*-*)
955
    noconfigdirs="$noconfigdirs ${libgcj}"
956
    ;;
957
  ip2k-*-*)
958
    noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
959
    ;;
960
  *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
961
    noconfigdirs="$noconfigdirs target-newlib target-libgloss"
962
    ;;
963
  *-*-lynxos*)
964
    noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
965
    ;;
966
  *-*-*)
967
    noconfigdirs="$noconfigdirs ${libgcj}"
968
    ;;
969
esac
970
 
971
# If we aren't building newlib, then don't build libgloss, since libgloss
972
# depends upon some newlib header files.
973
case "${noconfigdirs}" in
974
  *target-libgloss*) ;;
975
  *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
976
esac
977
 
978
# Work in distributions that contain no compiler tools, like Autoconf.
979
tentative_cc=""
980
host_makefile_frag=/dev/null
981
if test -d ${srcdir}/config ; then
982
case "${host}" in
983
  m68k-hp-hpux*)
984
    # Avoid "too much defining" errors from HPUX compiler.
985
    tentative_cc="cc -Wp,-H256000"
986
    # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
987
    # If it's HP/UX ar, this should be harmless.
988
    RANLIB="ar ts"
989
    ;;
990
  m68k-apollo-sysv*)
991
    tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
992
    ;;
993
  m68k-apollo-bsd*)
994
    #None of the Apollo compilers can compile gas or binutils.  The preprocessor
995
    # chokes on bfd, the compiler won't let you assign integers to enums, and
996
    # other problems.  Defining CC to gcc is a questionable way to say "don't use
997
    # the apollo compiler" (the preferred version of GCC could be called cc,
998
    # or whatever), but I'm not sure leaving CC as cc is any better...
999
    #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
1000
    # Used to have BISON=yacc.
1001
    tentative_cc=gcc
1002
    ;;
1003
  m88k-dg-dgux*)
1004
    tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1005
    ;;
1006
  m88k-harris-cxux*)
1007
    # Under CX/UX, we want to tell the compiler to use ANSI mode.
1008
    tentative_cc="cc -Xa"
1009
    host_makefile_frag="config/mh-cxux"
1010
    ;;
1011
  m88k-motorola-sysv*)
1012
    ;;
1013
  mips*-dec-ultrix*)
1014
    tentative_cc="cc -Wf,-XNg1000"
1015
    host_makefile_frag="config/mh-decstation"
1016
    ;;
1017
  mips*-nec-sysv4*)
1018
    # The C compiler on NEC MIPS SVR4 needs bigger tables.
1019
    tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
1020
    host_makefile_frag="config/mh-necv4"
1021
    ;;
1022
  mips*-sgi-irix4*)
1023
    # Tell compiler to use K&R C.  We can't compile under the SGI Ansi
1024
    # environment.  Also bump switch table size so that cp-parse will
1025
    # compile.  Bump string length limit so linker builds.
1026
    tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
1027
    ;;
1028
  mips*-*-sysv4*)
1029
    host_makefile_frag="config/mh-sysv4"
1030
    ;;
1031
  mips*-*-sysv*)
1032
    # This is for a MIPS running RISC/os 4.52C.
1033
 
1034
    # This is needed for GDB, but needs to be in the top-level make because
1035
    # if a library is compiled with the bsd headers and gets linked with the
1036
    # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
1037
    # a different size).
1038
    # ptrace(2) apparently has problems in the BSD environment.  No workaround is
1039
    # known except to select the sysv environment.  Could we use /proc instead?
1040
    # These "sysv environments" and "bsd environments" often end up being a pain.
1041
    #
1042
    # This is not part of CFLAGS because perhaps not all C compilers have this
1043
    # option.
1044
    tentative_cc="cc -systype sysv"
1045
    ;;
1046
  i370-ibm-opened*)
1047
    tentative_cc="c89"
1048
    ;;
1049
  i[[3456789]]86-*-sysv5*)
1050
    host_makefile_frag="config/mh-sysv5"
1051
    ;;
1052
  i[[3456789]]86-*-dgux*)
1053
    tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1054
    host_makefile_frag="config/mh-dgux386"
1055
    ;;
1056
  i[[3456789]]86-ncr-sysv4.3*)
1057
    # The MetaWare compiler will generate a copyright message unless you
1058
    # turn it off by adding the -Hnocopyr flag.
1059
    tentative_cc="cc -Hnocopyr"
1060
    ;;
1061
  i[[3456789]]86-ncr-sysv4*)
1062
    # for an NCR 3000 (i486/SVR4) system.
1063
    # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
1064
    # This compiler not only emits obnoxious copyright messages every time
1065
    # you run it, but it chokes and dies on a whole bunch of GNU source
1066
    # files.  Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
1067
    tentative_cc="/usr/ccs/ATT/cc"
1068
    host_makefile_frag="config/mh-ncr3000"
1069
    ;;
1070
  i[[3456789]]86-*-sco3.2v5*)
1071
    ;;
1072
  i[[3456789]]86-*-sco*)
1073
    # The native C compiler botches some simple uses of const.  Unfortunately,
1074
    # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
1075
    tentative_cc="cc -Dconst="
1076
    host_makefile_frag="config/mh-sco"
1077
    ;;
1078
  i[[3456789]]86-*-udk*)
1079
    host_makefile_frag="config/mh-sysv5"
1080
    ;;
1081
  i[[3456789]]86-*-solaris2*)
1082
    host_makefile_frag="config/mh-sysv4"
1083
    ;;
1084
  i[[3456789]]86-*-msdosdjgpp*)
1085
    host_makefile_frag="config/mh-djgpp"
1086
    ;;
1087
  *-cygwin*)
1088
    ACX_CHECK_CYGWIN_CAT_WORKS
1089
    host_makefile_frag="config/mh-cygwin"
1090
    ;;
1091
  *-mingw*)
1092
    host_makefile_frag="config/mh-mingw"
1093
    ;;
1094
  *-interix*)
1095
    host_makefile_frag="config/mh-interix"
1096
    ;;
1097
  vax-*-ultrix2*)
1098
    # The old BSD pcc isn't up to compiling parts of gdb so use gcc
1099
    tentative_cc=gcc
1100
    ;;
1101
  *-*-solaris2*)
1102
    host_makefile_frag="config/mh-solaris"
1103
    ;;
1104
  m68k-sun-sunos*)
1105
    # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
1106
    # without overflowing the jump tables (-J says to use a 32 bit table)
1107
    tentative_cc="cc -J"
1108
    ;;
1109
  hppa*-hp-hpux10*)
1110
    tentative_cc="cc -Wp,-H256000"
1111
    host_makefile_frag="config/mh-pa-hpux10"
1112
    ;;
1113
  hppa*-hp-hpux* | hppa*-*-hiux*)
1114
    tentative_cc="cc -Wp,-H256000"
1115
    host_makefile_frag="config/mh-pa"
1116
    ;;
1117
  hppa*-*)
1118
    host_makefile_frag="config/mh-pa"
1119
    ;;
1120
  *-hp-hpux* | *-*-hiux*)
1121
    tentative_cc="cc -Wp,-H256000"
1122
    ;;
1123
  rs6000-*-lynxos*)
1124
    # /bin/cc is less than useful for our purposes.  Always use GCC
1125
    tentative_cc="/usr/cygnus/progressive/bin/gcc"
1126
    host_makefile_frag="config/mh-lynxrs6k"
1127
    ;;
1128
  powerpc-*-darwin*)
1129
    host_makefile_frag="config/mh-ppc-darwin"
1130
    ;;
1131
  powerpc-*-aix*)
1132
    host_makefile_frag="config/mh-ppc-aix"
1133
    ;;
1134
  rs6000-*-aix*)
1135
    host_makefile_frag="config/mh-ppc-aix"
1136
    ;;
1137
  *-*-lynxos*)
1138
    # /bin/cc is less than useful for our purposes.  Always use GCC
1139
    tentative_cc="/bin/gcc"
1140
    ;;
1141
  *-*-sysv4*)
1142
    host_makefile_frag="config/mh-sysv4"
1143
    ;;
1144
  # This is placed last to prevent interfering with the cases above.
1145
  i[[3456789]]86-*-*)
1146
    # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
1147
    host_makefile_frag="config/mh-x86omitfp"
1148
    ;;
1149
esac
1150
fi
1151
 
1152
# If we aren't going to be using gcc, see if we can extract a definition
1153
# of CC from the fragment.
1154
# Actually, use the 'pre-extracted' version above.
1155
if test -z "${CC}" && test "${build}" = "${host}" ; then
1156
  IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1157
  found=
1158
  for dir in $PATH; do
1159
    test -z "$dir" && dir=.
1160
    if test -f $dir/gcc; then
1161
      found=yes
1162
      break
1163
    fi
1164
  done
1165
  IFS="$save_ifs"
1166
  if test -z "${found}" && test -n "${tentative_cc}" ; then
1167
    CC=$tentative_cc
1168
  fi
1169
fi
1170
 
1171
if test "${build}" != "${host}" ; then
1172
  AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1173
  AS_FOR_BUILD=${AS_FOR_BUILD-as}
1174
  CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1175
  CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1176
  GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1177
  GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1178
  DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1179
  LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1180
  NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1181
  RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1182
  WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1183
  WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1184
else
1185
  AR_FOR_BUILD="\$(AR)"
1186
  AS_FOR_BUILD="\$(AS)"
1187
  CC_FOR_BUILD="\$(CC)"
1188
  CXX_FOR_BUILD="\$(CXX)"
1189
  GCJ_FOR_BUILD="\$(GCJ)"
1190
  GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1191
  DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1192
  LD_FOR_BUILD="\$(LD)"
1193
  NM_FOR_BUILD="\$(NM)"
1194
  RANLIB_FOR_BUILD="\$(RANLIB)"
1195
  WINDRES_FOR_BUILD="\$(WINDRES)"
1196
  WINDMC_FOR_BUILD="\$(WINDMC)"
1197
fi
1198
 
1199
AC_PROG_CC
1200
AC_PROG_CXX
1201
 
1202
# We must set the default linker to the linker used by gcc for the correct
1203
# operation of libtool.  If LD is not defined and we are using gcc, try to
1204
# set the LD default to the ld used by gcc.
1205
if test -z "$LD"; then
1206
  if test "$GCC" = yes; then
1207
    case $build in
1208
    *-*-mingw*)
1209
      gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1210
    *)
1211
      gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1212
    esac
1213
    case $gcc_prog_ld in
1214
    # Accept absolute paths.
1215
    [[\\/]* | [A-Za-z]:[\\/]*)]
1216
      LD="$gcc_prog_ld" ;;
1217
    esac
1218
  fi
1219
fi
1220
 
1221
ACX_PROG_GNAT
1222
ACX_PROG_CMP_IGNORE_INITIAL
1223
 
1224
# See if we are building gcc with C++.
1225
AC_ARG_ENABLE(build-with-cxx,
1226
[  --enable-build-with-cxx build with C++ compiler instead of C compiler],
1227
ENABLE_BUILD_WITH_CXX=$enableval,
1228
ENABLE_BUILD_WITH_CXX=no)
1229
 
1230
# Check for GMP, MPFR and MPC
1231
gmplibs="-lmpc -lmpfr -lgmp"
1232
gmpinc=
1233
have_gmp=no
1234
 
1235
# Specify a location for mpc
1236
# check for this first so it ends up on the link line before mpfr.
1237
AC_ARG_WITH(mpc, [  --with-mpc=PATH        specify prefix directory for installed MPC package.
1238
                          Equivalent to --with-mpc-include=PATH/include
1239
                          plus --with-mpc-lib=PATH/lib])
1240
AC_ARG_WITH(mpc_include, [  --with-mpc-include=PATH
1241
                          specify directory for installed MPC include files])
1242
AC_ARG_WITH(mpc_lib, [  --with-mpc-lib=PATH    specify directory for the installed MPC library])
1243
 
1244
if test "x$with_mpc" != x; then
1245
  gmplibs="-L$with_mpc/lib $gmplibs"
1246
  gmpinc="-I$with_mpc/include $gmpinc"
1247
fi
1248
if test "x$with_mpc_include" != x; then
1249
  gmpinc="-I$with_mpc_include $gmpinc"
1250
fi
1251
if test "x$with_mpc_lib" != x; then
1252
  gmplibs="-L$with_mpc_lib $gmplibs"
1253
fi
1254
if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1255
  gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/.libs -L$$r/$(HOST_SUBDIR)/mpc/src/_libs '"$gmplibs"
1256
  gmpinc='-I$$s/mpc/src '"$gmpinc"
1257
  # Do not test the mpc version.  Assume that it is sufficient, since
1258
  # it is in the source tree, and the library has not been built yet
1259
  # but it would be included on the link line in the version check below
1260
  # hence making the test fail.
1261
  have_gmp=yes
1262
fi
1263
 
1264
# Specify a location for mpfr
1265
# check for this first so it ends up on the link line before gmp.
1266
AC_ARG_WITH(mpfr-dir, [  --with-mpfr-dir=PATH    this option has been REMOVED],
1267
  AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1268
Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH]))
1269
 
1270
AC_ARG_WITH(mpfr, [  --with-mpfr=PATH        specify prefix directory for installed MPFR package.
1271
                          Equivalent to --with-mpfr-include=PATH/include
1272
                          plus --with-mpfr-lib=PATH/lib])
1273
AC_ARG_WITH(mpfr_include, [  --with-mpfr-include=PATH
1274
                          specify directory for installed MPFR include files])
1275
AC_ARG_WITH(mpfr_lib, [  --with-mpfr-lib=PATH    specify directory for the installed MPFR library])
1276
 
1277
if test "x$with_mpfr" != x; then
1278
  gmplibs="-L$with_mpfr/lib $gmplibs"
1279
  gmpinc="-I$with_mpfr/include $gmpinc"
1280
fi
1281
if test "x$with_mpfr_include" != x; then
1282
  gmpinc="-I$with_mpfr_include $gmpinc"
1283
fi
1284
if test "x$with_mpfr_lib" != x; then
1285
  gmplibs="-L$with_mpfr_lib $gmplibs"
1286
fi
1287
if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1288
  gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/.libs -L$$r/$(HOST_SUBDIR)/mpfr/_libs '"$gmplibs"
1289
  gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1290
  extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr'
1291
  # Do not test the mpfr version.  Assume that it is sufficient, since
1292
  # it is in the source tree, and the library has not been built yet
1293
  # but it would be included on the link line in the version check below
1294
  # hence making the test fail.
1295
  have_gmp=yes
1296
fi
1297
 
1298
# Specify a location for gmp
1299
AC_ARG_WITH(gmp-dir, [  --with-gmp-dir=PATH     this option has been REMOVED],
1300
  AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1301
Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH]))
1302
 
1303
AC_ARG_WITH(gmp, [  --with-gmp=PATH         specify prefix directory for the installed GMP package.
1304
                          Equivalent to --with-gmp-include=PATH/include
1305
                          plus --with-gmp-lib=PATH/lib])
1306
AC_ARG_WITH(gmp_include, [  --with-gmp-include=PATH specify directory for installed GMP include files])
1307
AC_ARG_WITH(gmp_lib, [  --with-gmp-lib=PATH     specify directory for the installed GMP library])
1308
 
1309
 
1310
if test "x$with_gmp" != x; then
1311
  gmplibs="-L$with_gmp/lib $gmplibs"
1312
  gmpinc="-I$with_gmp/include $gmpinc"
1313
fi
1314
if test "x$with_gmp_include" != x; then
1315
  gmpinc="-I$with_gmp_include $gmpinc"
1316
fi
1317
if test "x$with_gmp_lib" != x; then
1318
  gmplibs="-L$with_gmp_lib $gmplibs"
1319
fi
1320
if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1321
  gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/.libs -L$$r/$(HOST_SUBDIR)/gmp/_libs '"$gmplibs"
1322
  gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1323
  extra_mpfr_configure_flags='--with-gmp-build=$$r/$(HOST_SUBDIR)/gmp'
1324
  extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp'
1325
  # Do not test the gmp version.  Assume that it is sufficient, since
1326
  # it is in the source tree, and the library has not been built yet
1327
  # but it would be included on the link line in the version check below
1328
  # hence making the test fail.
1329
  have_gmp=yes
1330
fi
1331
 
1332
if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1333
  have_gmp=yes
1334
  saved_CFLAGS="$CFLAGS"
1335
  CFLAGS="$CFLAGS $gmpinc"
1336
  # Check GMP actually works
1337
  AC_MSG_CHECKING([for correct version of gmp.h])
1338
  AC_TRY_COMPILE([#include "gmp.h"],[
1339
  #if __GNU_MP_VERSION < 4 || (__GNU_MP_VERSION == 4 && __GNU_MP_VERSION_MINOR < 2)
1340
  choke me
1341
  #endif
1342
  ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1343
 
1344
  # If we have GMP, check the MPFR version.
1345
  if test x"$have_gmp" = xyes; then
1346
    dnl MPFR 2.3.1 is acceptable, but MPFR 2.3.2 is better.
1347
    AC_MSG_CHECKING([for correct version of mpfr.h])
1348
    AC_TRY_COMPILE([#include 
1349
    #include ],[
1350
    #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
1351
    choke me
1352
    #endif
1353
    ], AC_TRY_COMPILE([#include 
1354
    #include ],[
1355
    #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,2)
1356
    choke me
1357
    #endif
1358
    ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])]),
1359
     [AC_MSG_RESULT([no]); have_gmp=no])
1360
  fi
1361
 
1362
  # Check for the MPC header version.
1363
  if test x"$have_gmp" = xyes ; then
1364
    AC_MSG_CHECKING([for the correct version of mpc.h])
1365
    AC_TRY_COMPILE([#include ],[
1366
    #if MPC_VERSION < MPC_VERSION_NUM (0,8,0)
1367
    choke me
1368
    #endif
1369
    ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1370
  fi
1371
 
1372
  # Now check the MPFR library.
1373
  if test x"$have_gmp" = xyes; then
1374
    saved_LIBS="$LIBS"
1375
    LIBS="$LIBS $gmplibs"
1376
    AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1377
    AC_TRY_LINK([#include ],[
1378
    mpfr_t n;
1379
    mpfr_t x;
1380
    mpc_t c;
1381
    int t;
1382
    mpfr_init (n);
1383
    mpfr_init (x);
1384
    mpfr_atan2 (n, n, x, GMP_RNDN);
1385
    mpfr_erfc (n, x, GMP_RNDN);
1386
    mpfr_subnormalize (x, t, GMP_RNDN);
1387
    mpfr_clear(n);
1388
    mpfr_clear(x);
1389
    mpc_init2 (c, 53);
1390
    mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1391
    mpc_cosh (c, c, MPC_RNDNN);
1392
    mpc_pow (c, c, c, MPC_RNDNN);
1393
    mpc_acosh (c, c, MPC_RNDNN);
1394
    mpc_clear (c);
1395
    ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1396
    LIBS="$saved_LIBS"
1397
  fi
1398
 
1399
  CFLAGS="$saved_CFLAGS"
1400
 
1401
  if test x$have_gmp != xyes; then
1402
    AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.3.2+ and MPC 0.8.0+.
1403
Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1404
their locations.  Source code for these libraries can be found at
1405
their respective hosting sites as well as at
1406
ftp://gcc.gnu.org/pub/gcc/infrastructure/.  See also
1407
http://gcc.gnu.org/install/prerequisites.html for additional info.  If
1408
you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1409
make sure that you have installed both the libraries and the header
1410
files.  They may be located in separate packages.])
1411
  fi
1412
fi
1413
 
1414
# Flags needed for both GMP, MPFR and/or MPC.
1415
AC_SUBST(gmplibs)
1416
AC_SUBST(gmpinc)
1417
AC_SUBST(extra_mpfr_configure_flags)
1418
AC_SUBST(extra_mpc_gmp_configure_flags)
1419
AC_SUBST(extra_mpc_mpfr_configure_flags)
1420
 
1421
# Allow host libstdc++ to be specified for static linking with PPL.
1422
AC_ARG_WITH(host-libstdcxx, [  --with-host-libstdcxx=L Use linker arguments L to link with libstdc++
1423
                          when linking with PPL])
1424
 
1425
case $with_host_libstdcxx in
1426
  no|yes)
1427
    AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1428
    ;;
1429
esac
1430
 
1431
# Linker flags to use for stage1 or when not boostrapping.
1432
AC_ARG_WITH(stage1-ldflags,
1433
[  --with-stage1-ldflags=FLAGS Linker flags for stage1],
1434
[if test "$withval" = "no" -o "$withval" = "yes"; then
1435
   stage1_ldflags=
1436
 else
1437
   stage1_ldflags=$withval
1438
 fi],
1439
[stage1_ldflags=])
1440
AC_SUBST(stage1_ldflags)
1441
 
1442
# Libraries to use for stage1 or when not bootstrapping.
1443
AC_ARG_WITH(stage1-libs,
1444
[  -with-stage1-libs=LIBS      Libraries for stage1],
1445
[if test "$withval" = "no" -o "$withval" = "yes"; then
1446
   stage1_libs=
1447
 else
1448
   stage1_libs=$withval
1449
 fi],
1450
[stage1_libs=$with_host_libstdcxx])
1451
AC_SUBST(stage1_libs)
1452
 
1453
# Linker flags to use for stage2 and later builds.
1454
AC_ARG_WITH(boot-ldflags,
1455
[  --with-boot-ldflags=FLAGS Linker flags for stage2 and later],
1456
[if test "$withval" = "no" -o "$withval" = "yes"; then
1457
   poststage1_ldflags=
1458
 else
1459
   poststage1_ldflags=$withval
1460
 fi],
1461
[if test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
1462
   poststage1_ldflags=-static-libstdc++
1463
 else
1464
   poststage1_ldflags=
1465
 fi])
1466
AC_SUBST(poststage1_ldflags)
1467
 
1468
# Libraries to use for stage2 and later builds.  This defaults to the
1469
# argument passed to --with-host-libstdcxx.
1470
AC_ARG_WITH(boot-libs,
1471
[  --with-boot-libs=LIBS     Libraries for stage2 and later],
1472
[if test "$withval" = "no" -o "$withval" = "yes"; then
1473
   poststage1_libs=
1474
 else
1475
   poststage1_libs=$withval
1476
 fi],
1477
[poststage1_libs=$with_host_libstdcxx])
1478
AC_SUBST(poststage1_libs)
1479
 
1480
# Check for PPL
1481
ppl_major_version=0
1482
ppl_minor_version=10
1483
ppllibs=" -lppl_c -lppl -lgmpxx"
1484
pplinc=
1485
 
1486
AC_ARG_WITH(ppl, [  --with-ppl=PATH         Specify prefix directory for the installed PPL package
1487
                          Equivalent to --with-ppl-include=PATH/include
1488
                          plus --with-ppl-lib=PATH/lib])
1489
AC_ARG_WITH(ppl_include, [  --with-ppl-include=PATH Specify directory for installed PPL include files])
1490
AC_ARG_WITH(ppl_lib, [  --with-ppl-lib=PATH     Specify the directory for the installed PPL library])
1491
 
1492
case $with_ppl in
1493
  no)
1494
    ppllibs=
1495
    ;;
1496
  "" | yes)
1497
    ;;
1498
  *)
1499
    ppllibs="-L$with_ppl/lib -lppl_c -lppl -lgmpxx"
1500
    pplinc="-I$with_ppl/include $pplinc"
1501
    ;;
1502
esac
1503
if test "x$with_ppl_include" != x; then
1504
  pplinc="-I$with_ppl_include $pplinc"
1505
fi
1506
if test "x$with_ppl_lib" != x; then
1507
  ppllibs="-L$with_ppl_lib -lppl_c -lppl -lgmpxx"
1508
fi
1509
if test "x$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1510
  ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/.libs -L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/_libs -L$$r/$(HOST_SUBDIR)/ppl/src/.libs -L$$r/$(HOST_SUBDIR)/ppl/src/_libs -lppl_c -lppl -lgmpxx '
1511
  pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
1512
  enable_ppl_version_check=no
1513
fi
1514
 
1515
AC_ARG_ENABLE(ppl-version-check,
1516
[  --disable-ppl-version-check    disable check for PPL version],
1517
ENABLE_PPL_CHECK=$enableval,
1518
ENABLE_PPL_CHECK=yes)
1519
 
1520
if test "x$with_ppl" != "xno" -a "${ENABLE_PPL_CHECK}" = "yes"; then
1521
  saved_CFLAGS="$CFLAGS"
1522
  CFLAGS="$CFLAGS $pplinc $gmpinc"
1523
  AC_MSG_CHECKING([for version $ppl_major_version.$ppl_minor_version of PPL])
1524
  AC_TRY_COMPILE([#include "ppl_c.h"],[
1525
  #if PPL_VERSION_MAJOR != $ppl_major_version || PPL_VERSION_MINOR != $ppl_minor_version
1526
  choke me
1527
  #endif
1528
  ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
1529
  CFLAGS="$saved_CFLAGS"
1530
fi
1531
 
1532
# Flags needed for PPL
1533
AC_SUBST(ppllibs)
1534
AC_SUBST(pplinc)
1535
 
1536
 
1537
# Check for CLOOG
1538
clooglibs=" -lcloog "
1539
clooginc=" -DCLOOG_PPL_BACKEND "
1540
 
1541
AC_ARG_WITH(cloog, [  --with-cloog=PATH       Specify prefix directory for the installed CLooG-PPL package
1542
                          Equivalent to --with-cloog-include=PATH/include
1543
                          plus --with-cloog-lib=PATH/lib])
1544
AC_ARG_WITH(cloog_include, [  --with-cloog-include=PATH Specify directory for installed CLooG include files])
1545
AC_ARG_WITH(cloog_lib, [  --with-cloog-lib=PATH   Specify the directory for the installed CLooG library])
1546
 
1547
if test "x$with_ppl" = "xno"; then
1548
  with_cloog=no
1549
fi
1550
 
1551
case $with_cloog in
1552
  no)
1553
    clooglibs=
1554
    clooginc=
1555
    ;;
1556
  "" | yes)
1557
    ;;
1558
  *)
1559
    clooglibs="-L$with_cloog/lib -lcloog"
1560
    clooginc="-I$with_cloog/include -DCLOOG_PPL_BACKEND "
1561
    ;;
1562
esac
1563
if test "x$with_cloog_include" != x; then
1564
  clooginc="-I$with_cloog_include -DCLOOG_PPL_BACKEND "
1565
fi
1566
if test "x$with_cloog_lib" != x; then
1567
  clooglibs="-L$with_cloog_lib -lcloog"
1568
fi
1569
if test "x$with_cloog$with_cloog_include$with_cloog_lib" = x && test -d ${srcdir}/cloog; then
1570
  clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/.libs -L$$r/$(HOST_SUBDIR)/cloog/_libs -lcloog '
1571
  clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include -DCLOOG_PPL_BACKEND '
1572
  enable_cloog_version_check=no
1573
fi
1574
 
1575
AC_ARG_ENABLE(cloog-version-check,
1576
[  --disable-cloog-version-check  disable check for CLooG version],
1577
ENABLE_CLOOG_CHECK=$enableval,
1578
ENABLE_CLOOG_CHECK=yes)
1579
 
1580
if test "x$with_cloog" != "xno" -a "${ENABLE_CLOOG_CHECK}" = "yes"; then
1581
  saved_CFLAGS="$CFLAGS"
1582
  CFLAGS="$CFLAGS $clooginc $gmpinc $pplinc"
1583
  AC_MSG_CHECKING([for correct version of CLooG])
1584
  AC_TRY_COMPILE([#include "cloog/cloog.h"],[
1585
  #if CLOOG_VERSION_MAJOR != 0 || CLOOG_VERSION_MINOR != 15
1586
  choke me
1587
  #endif
1588
  ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); clooglibs= ; clooginc= ])
1589
  CFLAGS="$saved_CFLAGS"
1590
fi
1591
 
1592
# Flags needed for CLOOG
1593
AC_SUBST(clooglibs)
1594
AC_SUBST(clooginc)
1595
 
1596
# Check for LTO support.
1597
AC_ARG_ENABLE(lto,
1598
[  --enable-lto            enable link time optimization support],
1599
enable_lto=$enableval,
1600
enable_lto=yes; default_enable_lto=yes)
1601
 
1602
if test x"$enable_lto" = x"yes" ; then
1603
  # Make sure that libelf.h and gelf.h are available.
1604
  AC_ARG_WITH(libelf, [  --with-libelf=PATH       Specify prefix directory for the installed libelf package
1605
                          Equivalent to --with-libelf-include=PATH/include
1606
                          plus --with-libelf-lib=PATH/lib])
1607
 
1608
  AC_ARG_WITH(libelf_include, [  --with-libelf-include=PATH Specify directory for installed libelf include files])
1609
 
1610
  AC_ARG_WITH(libelf_lib, [  --with-libelf-lib=PATH   Specify the directory for the installed libelf library])
1611
 
1612
  saved_CFLAGS="$CFLAGS"
1613
  saved_CPPFLAGS="$CPPFLAGS"
1614
  saved_LIBS="$LIBS"
1615
 
1616
  case $with_libelf in
1617
    "")
1618
      libelflibs="-lelf"
1619
      libelfinc="-I/usr/include/libelf"
1620
      ;;
1621
    *)
1622
      libelflibs="-L$with_libelf/lib -lelf"
1623
      libelfinc="-I$with_libelf/include -I$with_libelf/include/libelf"
1624
      LIBS="$libelflibs $LIBS"
1625
      ;;
1626
  esac
1627
 
1628
  if test "x$with_libelf_include" != x; then
1629
    libelfinc="-I$with_libelf_include"
1630
  fi
1631
 
1632
  if test "x$with_libelf_lib" != x; then
1633
    libelflibs="-L$with_libelf_lib -lelf"
1634
    LIBS="$libelflibs $LIBS"
1635
  fi
1636
 
1637
  if test "x$with_libelf$with_libelf_include$with_libelf_lib" = x \
1638
     && test -d ${srcdir}/libelf; then
1639
    libelflibs='-L$$r/$(HOST_SUBDIR)/libelf/lib -lelf '
1640
    libelfinc='-D__LIBELF_INTERNAL__ -I$$r/$(HOST_SUBDIR)/libelf/lib -I$$s/libelf/lib'
1641
    LIBS="$libelflibs $LIBS"
1642
 
1643
 else
1644
 
1645
  CFLAGS="$CFLAGS $libelfinc"
1646
  CPPFLAGS="$CPPFLAGS $libelfinc"
1647
  LIBS="$LIBS $libelflibs"
1648
 
1649
  AC_CHECK_HEADERS(libelf.h, [have_libelf_h=yes])
1650
  AC_CHECK_HEADERS(gelf.h, [have_gelf_h=yes])
1651
 
1652
  AC_CHECK_HEADERS(libelf/libelf.h, [have_libelf_libelf_h=yes])
1653
  AC_CHECK_HEADERS(libelf/gelf.h, [have_libelf_gelf_h=yes])
1654
 
1655
  # If we couldn't find libelf.h and the user forced it, emit an error.
1656
  if test x"$have_libelf_h" != x"yes" \
1657
     && test x"$have_libelf_libelf_h" != x"yes" ; then
1658
    if test x"$default_enable_lto" != x"yes" ; then
1659
      AC_MSG_ERROR([LTO support requires libelf.h or libelf/libelf.h.])
1660
    else
1661
      enable_lto=no
1662
      libelflibs=
1663
      libelfinc=
1664
    fi
1665
  fi
1666
 
1667
  # If we couldn't find gelf.h and the user forced it, emit an error.
1668
  if test x"$have_gelf_h" != x"yes" \
1669
     && test x"$have_libelf_gelf_h" != x"yes" ; then
1670
    if test x"$default_enable_lto" != x"yes" ; then
1671
      AC_MSG_ERROR([LTO support requires gelf.h or libelf/gelf.h.])
1672
    else
1673
      enable_lto=no
1674
      libelflibs=
1675
      libelfinc=
1676
    fi
1677
  fi
1678
 
1679
  # Check that the detected libelf has the functions we need.  We cannot
1680
  # rely on just detecting the headers since they do not include
1681
  # versioning information.  Add functions, if needed.
1682
  if test x"$enable_lto" = x"yes" ; then
1683
    AC_MSG_CHECKING([for the correct version of libelf])
1684
    AC_TRY_LINK(
1685
      [#include ],[
1686
      elf_errmsg (0);
1687
      elf_getscn (0, 0);
1688
      elf_nextscn (0, 0);
1689
      elf_strptr (0, 0, 0);
1690
      elf_getident (0, 0);
1691
      elf_getshdrstrndx (0, 0);
1692
      elf_begin (0, 0, 0);
1693
      elf_ndxscn (0);
1694
      elf_end (0);
1695
      ],
1696
      [AC_MSG_RESULT([yes]);],
1697
      [AC_MSG_RESULT([no]); enable_lto=no; libelflibs= ; libelfinc= ]
1698
    )
1699
 
1700
    # If we couldn't enable LTO and the user forced it, emit an error.
1701
    if test x"$enable_lto" = x"no" \
1702
       && test x"$default_enable_lto" != x"yes" ; then
1703
      AC_MSG_ERROR([To enable LTO, GCC requires libelf v0.8.12+.
1704
Try the --with-libelf, --with-libelf-include and --with-libelf-lib options
1705
to specify its location.])
1706
    fi
1707
  fi
1708
 
1709
  CFLAGS="$saved_CFLAGS"
1710
  CPPFLAGS="$saved_CPPFLAGS"
1711
  LIBS="$saved_LIBS"
1712
 
1713
 fi
1714
 
1715
  # Flags needed for libelf.
1716
  AC_SUBST(libelflibs)
1717
  AC_SUBST(libelfinc)
1718
fi
1719
 
1720
 
1721
# By default, C is the only stage 1 language.
1722
stage1_languages=,c,
1723
 
1724
# Target libraries that we bootstrap.
1725
bootstrap_target_libs=,target-libgcc,
1726
 
1727
# Figure out what language subdirectories are present.
1728
# Look if the user specified --enable-languages="..."; if not, use
1729
# the environment variable $LANGUAGES if defined. $LANGUAGES might
1730
# go away some day.
1731
# NB:  embedded tabs in this IF block -- do not untabify
1732
if test -d ${srcdir}/gcc; then
1733
  if test x"${enable_languages+set}" != xset; then
1734
    if test x"${LANGUAGES+set}" = xset; then
1735
      enable_languages="${LANGUAGES}"
1736
        echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1737
    else
1738
      enable_languages=all
1739
    fi
1740
  else
1741
    if test x"${enable_languages}" = x ||
1742
       test x"${enable_languages}" = xyes;
1743
       then
1744
      echo configure.in: --enable-languages needs at least one language argument 1>&2
1745
      exit 1
1746
    fi
1747
  fi
1748
  enable_languages=`echo "${enable_languages}" | sed -e 's/[[   ,]][[   ,]]*/,/g' -e 's/,$//'`
1749
 
1750
  # 'f95' is the old name for the 'fortran' language. We issue a warning
1751
  # and make the substitution.
1752
  case ,${enable_languages}, in
1753
    *,f95,*)
1754
      echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1755
      enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1756
      ;;
1757
  esac
1758
 
1759
  # First scan to see if an enabled language requires some other language.
1760
  # We assume that a given config-lang.in will list all the language
1761
  # front ends it requires, even if some are required indirectly.
1762
  for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1763
    case ${lang_frag} in
1764
      ..) ;;
1765
      # The odd quoting in the next line works around
1766
      # an apparent bug in bash 1.12 on linux.
1767
      ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1768
      *)
1769
        # From the config-lang.in, get $language, $lang_requires
1770
        language=
1771
        lang_requires=
1772
        . ${lang_frag}
1773
        for other in ${lang_requires} ; do
1774
          case ,${enable_languages}, in
1775
            *,$other,*) ;;
1776
            *,all,*) ;;
1777
            *,$language,*)
1778
              echo " \`$other' language required by \`$language'; enabling" 1>&2
1779
              enable_languages="${enable_languages},${other}"
1780
              ;;
1781
          esac
1782
        done
1783
        ;;
1784
    esac
1785
  done
1786
 
1787
  new_enable_languages=,c,
1788
 
1789
  # If LTO is enabled, add the LTO front end.
1790
  extra_host_libiberty_configure_flags=
1791
  if test "$enable_lto" = "yes" ; then
1792
    case ,${enable_languages}, in
1793
      *,lto,*) ;;
1794
      *) enable_languages="${enable_languages},lto" ;;
1795
    esac
1796
    if test "${ENABLE_GOLD}" = "yes" ; then
1797
      configdirs="$configdirs lto-plugin"
1798
      extra_host_libiberty_configure_flags=--enable-shared
1799
    fi
1800
  fi
1801
  AC_SUBST(extra_host_libiberty_configure_flags)
1802
 
1803
  missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1804
  potential_languages=,c,
1805
 
1806
  for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1807
    case ${lang_frag} in
1808
      ..) ;;
1809
      # The odd quoting in the next line works around
1810
      # an apparent bug in bash 1.12 on linux.
1811
      ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1812
      *)
1813
        # From the config-lang.in, get $language, $target_libs,
1814
        # $lang_dirs, $boot_language, and $build_by_default
1815
        language=
1816
        target_libs=
1817
        lang_dirs=
1818
        subdir_requires=
1819
        boot_language=no
1820
        build_by_default=yes
1821
        . ${lang_frag}
1822
        if test x${language} = x; then
1823
          echo "${lang_frag} doesn't set \$language." 1>&2
1824
          exit 1
1825
        fi
1826
 
1827
        if test "$language" = "c++" \
1828
           && test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
1829
          boot_language=yes
1830
        fi
1831
 
1832
        case ,${enable_languages}, in
1833
          *,${language},*)
1834
            # Language was explicitly selected; include it.
1835
            add_this_lang=yes
1836
            ;;
1837
          *,all,*)
1838
            # 'all' was selected, select it if it is a default language
1839
            add_this_lang=${build_by_default}
1840
            ;;
1841
          *)
1842
            add_this_lang=no
1843
            ;;
1844
        esac
1845
 
1846
        # Disable languages that need other directories if these aren't available.
1847
        for i in $subdir_requires; do
1848
          test -f "$srcdir/gcc/$i/config-lang.in" && continue
1849
          case ,${enable_languages}, in
1850
            *,${language},*)
1851
              # Specifically requested language; tell them.
1852
              AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1853
              ;;
1854
            *)
1855
              # Silently disable.
1856
              add_this_lang=unsupported
1857
              ;;
1858
          esac
1859
        done
1860
 
1861
        # Disable Ada if no preexisting GNAT is available.
1862
        case ,${enable_languages},:${language}:${have_gnat} in
1863
          *,${language},*:ada:no)
1864
            # Specifically requested language; tell them.
1865
            AC_MSG_ERROR([GNAT is required to build $language])
1866
            ;;
1867
          *:ada:no)
1868
            # Silently disable.
1869
            add_this_lang=unsupported
1870
            ;;
1871
        esac
1872
 
1873
        # Disable a language that is unsupported by the target.
1874
        case " $unsupported_languages " in
1875
          *" $language "*)
1876
            add_this_lang=unsupported
1877
            ;;
1878
        esac
1879
 
1880
        case $add_this_lang in
1881
          unsupported)
1882
            # Remove language-dependent dirs.
1883
            eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1884
            ;;
1885
          no)
1886
            # Remove language-dependent dirs; still show language as supported.
1887
            eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1888
            potential_languages="${potential_languages}${language},"
1889
            ;;
1890
          yes)
1891
            new_enable_languages="${new_enable_languages}${language},"
1892
            potential_languages="${potential_languages}${language},"
1893
            missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1894
            case "${boot_language}:,$enable_stage1_languages," in
1895
              yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1896
                # Add to (comma-separated) list of stage 1 languages.
1897
                case ",$stage1_languages," in
1898
                  *,$language,* | ,yes, | ,all,) ;;
1899
                  *) stage1_languages="${stage1_languages}${language}," ;;
1900
                esac
1901
                # We need to bootstrap any supporting libraries.
1902
                bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1903
                ;;
1904
            esac
1905
            ;;
1906
        esac
1907
        ;;
1908
    esac
1909
  done
1910
 
1911
  AC_ARG_ENABLE(stage1-languages,
1912
[  --enable-stage1-languages@<:@=all@:>@   choose additional languages to build during
1913
                          stage1.  Mostly useful for compiler development.],
1914
  [case ,${enable_stage1_languages}, in
1915
    ,no,|,,)
1916
      # Set it to something that will have no effect in the loop below
1917
      enable_stage1_languages=c ;;
1918
    ,yes,)
1919
      enable_stage1_languages=`echo $new_enable_languages | \
1920
        sed -e "s/^,//" -e "s/,$//" ` ;;
1921
    *,all,*)
1922
      enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1923
        sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1924
  esac
1925
 
1926
  # Add "good" languages from enable_stage1_languages to stage1_languages,
1927
  # while "bad" languages go in missing_languages.  Leave no duplicates.
1928
  for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1929
    case $potential_languages in
1930
      *,$i,*)
1931
        case $stage1_languages in
1932
          *,$i,*) ;;
1933
          *) stage1_languages="$stage1_languages$i," ;;
1934
        esac ;;
1935
      *)
1936
        case $missing_languages in
1937
          *,$i,*) ;;
1938
          *) missing_languages="$missing_languages$i," ;;
1939
        esac ;;
1940
     esac
1941
  done])
1942
 
1943
  # Remove leading/trailing commas that were added for simplicity
1944
  potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1945
  missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1946
  stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1947
  new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1948
 
1949
  if test "x$missing_languages" != x; then
1950
    AC_MSG_ERROR([
1951
The following requested languages could not be built: ${missing_languages}
1952
Supported languages are: ${potential_languages}])
1953
  fi
1954
  if test "x$new_enable_languages" != "x$enable_languages"; then
1955
    echo The following languages will be built: ${new_enable_languages}
1956
    enable_languages="$new_enable_languages"
1957
  fi
1958
 
1959
  AC_SUBST(stage1_languages)
1960
  ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
1961
fi
1962
 
1963
# Handle --disable- generically.
1964
for dir in $configdirs $build_configdirs $target_configdirs ; do
1965
  dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1966
  varname=`echo $dirname | sed -e s/+/_/g`
1967
  if eval test x\${enable_${varname}} "=" xno ; then
1968
    noconfigdirs="$noconfigdirs $dir"
1969
  fi
1970
done
1971
 
1972
# Check for Boehm's garbage collector
1973
AC_ARG_ENABLE(objc-gc,
1974
[  --enable-objc-gc        enable use of Boehm's garbage collector with the
1975
                          GNU Objective-C runtime],
1976
[case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1977
  *,objc,*:*:yes:*target-boehm-gc*)
1978
    AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1979
    ;;
1980
esac])
1981
 
1982
# Make sure we only build Boehm's garbage collector if required.
1983
case ,${enable_languages},:${enable_objc_gc} in
1984
  *,objc,*:yes)
1985
    # Keep target-boehm-gc if requested for Objective-C.
1986
    ;;
1987
  *)
1988
    # Otherwise remove target-boehm-gc depending on target-libjava.
1989
    if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1990
      noconfigdirs="$noconfigdirs target-boehm-gc"
1991
    fi
1992
    ;;
1993
esac
1994
 
1995
# Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1996
# $build_configdirs and $target_configdirs.
1997
# If we have the source for $noconfigdirs entries, add them to $notsupp.
1998
 
1999
notsupp=""
2000
for dir in . $skipdirs $noconfigdirs ; do
2001
  dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2002
  if test $dir != .  && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2003
    configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2004
    if test -r $srcdir/$dirname/configure ; then
2005
      if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2006
        true
2007
      else
2008
        notsupp="$notsupp $dir"
2009
      fi
2010
    fi
2011
  fi
2012
  if test $dir != .  && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2013
    build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2014
    if test -r $srcdir/$dirname/configure ; then
2015
      if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2016
        true
2017
      else
2018
        notsupp="$notsupp $dir"
2019
      fi
2020
    fi
2021
  fi
2022
  if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2023
    target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2024
    if test -r $srcdir/$dirname/configure ; then
2025
      if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2026
        true
2027
      else
2028
        notsupp="$notsupp $dir"
2029
      fi
2030
    fi
2031
  fi
2032
done
2033
 
2034
# Sometimes the tools are distributed with libiberty but with no other
2035
# libraries.  In that case, we don't want to build target-libiberty.
2036
# Don't let libgcc imply libiberty either.
2037
if test -n "${target_configdirs}" ; then
2038
  libgcc=
2039
  others=
2040
  for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
2041
    if test "$i" = "libgcc"; then
2042
      libgcc=target-libgcc
2043
    elif test "$i" != "libiberty" ; then
2044
      if test -r $srcdir/$i/configure ; then
2045
        others=yes;
2046
        break;
2047
      fi
2048
    fi
2049
  done
2050
  if test -z "${others}" ; then
2051
    target_configdirs=$libgcc
2052
  fi
2053
fi
2054
 
2055
# Quietly strip out all directories which aren't configurable in this tree.
2056
# This relies on all configurable subdirectories being autoconfiscated, which
2057
# is now the case.
2058
build_configdirs_all="$build_configdirs"
2059
build_configdirs=
2060
for i in ${build_configdirs_all} ; do
2061
  j=`echo $i | sed -e s/build-//g`
2062
  if test -f ${srcdir}/$j/configure ; then
2063
    build_configdirs="${build_configdirs} $i"
2064
  fi
2065
done
2066
 
2067
configdirs_all="$configdirs"
2068
configdirs=
2069
for i in ${configdirs_all} ; do
2070
  if test -f ${srcdir}/$i/configure ; then
2071
    configdirs="${configdirs} $i"
2072
  fi
2073
done
2074
 
2075
target_configdirs_all="$target_configdirs"
2076
target_configdirs=
2077
for i in ${target_configdirs_all} ; do
2078
  j=`echo $i | sed -e s/target-//g`
2079
  if test -f ${srcdir}/$j/configure ; then
2080
    target_configdirs="${target_configdirs} $i"
2081
  fi
2082
done
2083
 
2084
# Produce a warning message for the subdirs we can't configure.
2085
# This isn't especially interesting in the Cygnus tree, but in the individual
2086
# FSF releases, it's important to let people know when their machine isn't
2087
# supported by the one or two programs in a package.
2088
 
2089
if test -n "${notsupp}" && test -z "${norecursion}" ; then
2090
  # If $appdirs is non-empty, at least one of those directories must still
2091
  # be configured, or we error out.  (E.g., if the gas release supports a
2092
  # specified target in some subdirs but not the gas subdir, we shouldn't
2093
  # pretend that all is well.)
2094
  if test -n "$appdirs" ; then
2095
    for dir in $appdirs ; do
2096
      if test -r $dir/Makefile.in ; then
2097
        if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2098
          appdirs=""
2099
          break
2100
        fi
2101
        if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2102
          appdirs=""
2103
          break
2104
        fi
2105
      fi
2106
    done
2107
    if test -n "$appdirs" ; then
2108
      echo "*** This configuration is not supported by this package." 1>&2
2109
      exit 1
2110
    fi
2111
  fi
2112
  # Okay, some application will build, or we don't care to check.  Still
2113
  # notify of subdirs not getting built.
2114
  echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2115
  echo "    ${notsupp}" 1>&2
2116
  echo "    (Any other directories should still work fine.)" 1>&2
2117
fi
2118
 
2119
case "$host" in
2120
  *msdosdjgpp*)
2121
    enable_gdbtk=no ;;
2122
esac
2123
 
2124
# To find our prefix, in gcc_cv_tool_prefix.
2125
ACX_TOOL_DIRS
2126
 
2127
copy_dirs=
2128
 
2129
AC_ARG_WITH([build-sysroot],
2130
  [  --with-build-sysroot=SYSROOT
2131
                          use sysroot as the system root during the build],
2132
  [if test x"$withval" != x ; then
2133
     SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2134
   fi],
2135
  [SYSROOT_CFLAGS_FOR_TARGET=])
2136
AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2137
 
2138
AC_ARG_WITH([debug-prefix-map],
2139
  [  --with-debug-prefix-map='A=B C=D ...'
2140
                             map A to B, C to D ... in debug information],
2141
  [if test x"$withval" != x; then
2142
     DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2143
     for debug_map in $withval; do
2144
       DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2145
     done
2146
   fi],
2147
  [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2148
AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2149
 
2150
# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2151
# might be empty or "-g".  We don't require a C++ compiler, so CXXFLAGS
2152
# might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2153
# We want to ensure that TARGET libraries (which we know are built with
2154
# gcc) are built with "-O2 -g", so include those options when setting
2155
# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2156
if test "x$CFLAGS_FOR_TARGET" = x; then
2157
  CFLAGS_FOR_TARGET=$CFLAGS
2158
  case " $CFLAGS " in
2159
    *" -O2 "*) ;;
2160
    *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
2161
  esac
2162
  case " $CFLAGS " in
2163
    *" -g "* | *" -g3 "*) ;;
2164
    *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
2165
  esac
2166
fi
2167
AC_SUBST(CFLAGS_FOR_TARGET)
2168
 
2169
if test "x$CXXFLAGS_FOR_TARGET" = x; then
2170
  CXXFLAGS_FOR_TARGET=$CXXFLAGS
2171
  case " $CXXFLAGS " in
2172
    *" -O2 "*) ;;
2173
    *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
2174
  esac
2175
  case " $CXXFLAGS " in
2176
    *" -g "* | *" -g3 "*) ;;
2177
    *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
2178
  esac
2179
fi
2180
AC_SUBST(CXXFLAGS_FOR_TARGET)
2181
 
2182
# Handle --with-headers=XXX.  If the value is not "yes", the contents of
2183
# the named directory are copied to $(tooldir)/sys-include.
2184
if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2185
  if test x${is_cross_compiler} = xno ; then
2186
    echo 1>&2 '***' --with-headers is only supported when cross compiling
2187
    exit 1
2188
  fi
2189
  if test x"${with_headers}" != xyes ; then
2190
    x=${gcc_cv_tool_prefix}
2191
    copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2192
  fi
2193
fi
2194
 
2195
# Handle --with-libs=XXX.  If the value is not "yes", the contents of
2196
# the name directories are copied to $(tooldir)/lib.  Multiple directories
2197
# are permitted.
2198
if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2199
  if test x${is_cross_compiler} = xno ; then
2200
    echo 1>&2 '***' --with-libs is only supported when cross compiling
2201
    exit 1
2202
  fi
2203
  if test x"${with_libs}" != xyes ; then
2204
    # Copy the libraries in reverse order, so that files in the first named
2205
    # library override files in subsequent libraries.
2206
    x=${gcc_cv_tool_prefix}
2207
    for l in ${with_libs}; do
2208
      copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2209
    done
2210
  fi
2211
fi
2212
 
2213
# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2214
#
2215
# This is done by determining whether or not the appropriate directory
2216
# is available, and by checking whether or not specific configurations
2217
# have requested that this magic not happen.
2218
#
2219
# The command line options always override the explicit settings in
2220
# configure.in, and the settings in configure.in override this magic.
2221
#
2222
# If the default for a toolchain is to use GNU as and ld, and you don't
2223
# want to do that, then you should use the --without-gnu-as and
2224
# --without-gnu-ld options for the configure script.  Similarly, if
2225
# the default is to use the included zlib and you don't want to do that,
2226
# you should use the --with-system-zlib option for the configure script.
2227
 
2228
if test x${use_gnu_as} = x &&
2229
   echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2230
  with_gnu_as=yes
2231
  extra_host_args="$extra_host_args --with-gnu-as"
2232
fi
2233
 
2234
if test x${use_gnu_ld} = x &&
2235
   echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2236
  with_gnu_ld=yes
2237
  extra_host_args="$extra_host_args --with-gnu-ld"
2238
fi
2239
 
2240
if test x${use_included_zlib} = x &&
2241
   echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2242
  :
2243
else
2244
  with_system_zlib=yes
2245
  extra_host_args="$extra_host_args --with-system-zlib"
2246
fi
2247
 
2248
# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2249
# can detect this case.
2250
 
2251
if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2252
  with_newlib=yes
2253
  extra_host_args="$extra_host_args --with-newlib"
2254
fi
2255
 
2256
# Handle ${copy_dirs}
2257
set fnord ${copy_dirs}
2258
shift
2259
while test $# != 0 ; do
2260
  if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2261
    :
2262
  else
2263
    echo Copying $1 to $2
2264
 
2265
    # Use the install script to create the directory and all required
2266
    # parent directories.
2267
    if test -d $2 ; then
2268
      :
2269
    else
2270
      echo >config.temp
2271
      ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2272
    fi
2273
 
2274
    # Copy the directory, assuming we have tar.
2275
    # FIXME: Should we use B in the second tar?  Not all systems support it.
2276
    (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2277
 
2278
    # It is the responsibility of the user to correctly adjust all
2279
    # symlinks.  If somebody can figure out how to handle them correctly
2280
    # here, feel free to add the code.
2281
 
2282
    echo $1 > $2/COPIED
2283
  fi
2284
  shift; shift
2285
done
2286
 
2287
# Determine a target-dependent exec_prefix that the installed
2288
# gcc will search in.  Keep this list sorted by triplet, with
2289
# the *-*-osname triplets last.
2290
md_exec_prefix=
2291
case "${target}" in
2292
  alpha*-*-*vms*)
2293
    md_exec_prefix=/gnu/lib/gcc-lib
2294
    ;;
2295
  i[[34567]]86-pc-msdosdjgpp*)
2296
    md_exec_prefix=/dev/env/DJDIR/bin
2297
    ;;
2298
  i[[34567]]86-*-sco3.2v5*)
2299
    if test $with_gnu_as = yes; then
2300
      md_exec_prefix=/usr/gnu/bin
2301
    else
2302
      md_exec_prefix=/usr/ccs/bin/elf
2303
    fi
2304
    ;;
2305
 
2306
  mn10300-*-* | \
2307
  powerpc-*-chorusos* | \
2308
  powerpc*-*-eabi* | \
2309
  powerpc*-*-sysv* | \
2310
  powerpc*-*-kaos* | \
2311
  s390x-ibm-tpf*)
2312
    md_exec_prefix=/usr/ccs/bin
2313
    ;;
2314
  sparc64-*-elf*)
2315
    ;;
2316
  v850*-*-*)
2317
    md_exec_prefix=/usr/ccs/bin
2318
    ;;
2319
  xtensa*-*-elf*)
2320
    ;;
2321
 
2322
  *-*-beos* | \
2323
  *-*-elf* | \
2324
  *-*-hpux* | \
2325
  *-*-netware* | \
2326
  *-*-nto-qnx* | \
2327
  *-*-rtems* | \
2328
  *-*-solaris2* | \
2329
  *-*-sysv[[45]]* | \
2330
  *-*-vxworks* | \
2331
  *-wrs-windiss)
2332
    md_exec_prefix=/usr/ccs/bin
2333
    ;;
2334
esac
2335
 
2336
extra_arflags_for_target=
2337
extra_nmflags_for_target=
2338
extra_ranlibflags_for_target=
2339
target_makefile_frag=/dev/null
2340
case "${target}" in
2341
  mep*-*-*)
2342
    target_makefile_frag="config/mt-mep"
2343
    ;;
2344
  spu-*-*)
2345
    target_makefile_frag="config/mt-spu"
2346
    ;;
2347
  mips*-sde-elf*)
2348
    target_makefile_frag="config/mt-sde"
2349
    ;;
2350
  mipsisa*-*-elfoabi*)
2351
    target_makefile_frag="config/mt-mips-elfoabi"
2352
    ;;
2353
  mips*-*-*linux* | mips*-*-gnu*)
2354
    target_makefile_frag="config/mt-mips-gnu"
2355
    ;;
2356
  *-*-netware*)
2357
    target_makefile_frag="config/mt-netware"
2358
    ;;
2359
  *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2360
    target_makefile_frag="config/mt-gnu"
2361
    ;;
2362
  *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2363
    # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2364
    # commands to handle both 32-bit and 64-bit objects.  These flags are
2365
    # harmless if we're using GNU nm or ar.
2366
    extra_arflags_for_target=" -X32_64"
2367
    extra_nmflags_for_target=" -B -X32_64"
2368
    ;;
2369
  *-*-darwin*)
2370
    # ranlib from Darwin requires the -c flag to look at common symbols.
2371
    extra_ranlibflags_for_target=" -c"
2372
    ;;
2373
  mips*-*-pe | sh*-*-pe | *arm-wince-pe)
2374
    target_makefile_frag="config/mt-wince"
2375
    ;;
2376
esac
2377
 
2378
alphaieee_frag=/dev/null
2379
case $target in
2380
  alpha*-*-*)
2381
    # This just makes sure to use the -mieee option to build target libs.
2382
    # This should probably be set individually by each library.
2383
    alphaieee_frag="config/mt-alphaieee"
2384
    ;;
2385
esac
2386
 
2387
# If --enable-target-optspace always use -Os instead of -O2 to build
2388
# the target libraries, similarly if it is not specified, use -Os
2389
# on selected platforms.
2390
ospace_frag=/dev/null
2391
case "${enable_target_optspace}:${target}" in
2392
  yes:*)
2393
    ospace_frag="config/mt-ospace"
2394
    ;;
2395
  :d30v-*)
2396
    ospace_frag="config/mt-d30v"
2397
    ;;
2398
  :m32r-* | :d10v-* | :fr30-*)
2399
    ospace_frag="config/mt-ospace"
2400
    ;;
2401
  no:* | :*)
2402
    ;;
2403
  *)
2404
    echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2405
    ;;
2406
esac
2407
 
2408
# Default to using --with-stabs for certain targets.
2409
if test x${with_stabs} = x ; then
2410
  case "${target}" in
2411
  mips*-*-irix[[56]]*)
2412
    ;;
2413
  mips*-*-* | alpha*-*-osf*)
2414
    with_stabs=yes;
2415
    extra_host_args="${extra_host_args} --with-stabs"
2416
    ;;
2417
  esac
2418
fi
2419
 
2420
# hpux11 in 64bit mode has libraries in a weird place.  Arrange to find
2421
# them automatically.
2422
case "${host}" in
2423
  hppa*64*-*-hpux11*)
2424
    extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
2425
    ;;
2426
esac
2427
 
2428
# Some systems (e.g., one of the i386-aix systems the gas testers are
2429
# using) don't handle "\$" correctly, so don't use it here.
2430
tooldir='${exec_prefix}'/${target_noncanonical}
2431
build_tooldir=${tooldir}
2432
 
2433
# Create a .gdbinit file which runs the one in srcdir
2434
# and tells GDB to look there for source files.
2435
 
2436
if test -r ${srcdir}/.gdbinit ; then
2437
  case ${srcdir} in
2438
    .) ;;
2439
    *) cat > ./.gdbinit <
2440
# ${NO_EDIT}
2441
dir ${srcdir}
2442
dir .
2443
source ${srcdir}/.gdbinit
2444
EOF
2445
    ;;
2446
  esac
2447
fi
2448
 
2449
# Make sure that the compiler is able to generate an executable.  If it
2450
# can't, we are probably in trouble.  We don't care whether we can run the
2451
# executable--we might be using a cross compiler--we only care whether it
2452
# can be created.  At this point the main configure script has set CC.
2453
we_are_ok=no
2454
echo "int main () { return 0; }" > conftest.c
2455
${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2456
if test $? = 0 ; then
2457
  if test -s conftest || test -s conftest.exe ; then
2458
    we_are_ok=yes
2459
  fi
2460
fi
2461
case $we_are_ok in
2462
  no)
2463
    echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2464
    echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2465
    rm -f conftest*
2466
    exit 1
2467
    ;;
2468
esac
2469
rm -f conftest*
2470
 
2471
# The Solaris /usr/ucb/cc compiler does not appear to work.
2472
case "${host}" in
2473
  sparc-sun-solaris2*)
2474
      CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
2475
      if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
2476
          could_use=
2477
          test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
2478
          if test -d /opt/cygnus/bin ; then
2479
              if test "$could_use" = "" ; then
2480
                  could_use="/opt/cygnus/bin"
2481
              else
2482
                  could_use="$could_use or /opt/cygnus/bin"
2483
              fi
2484
          fi
2485
        if test "$could_use" = "" ; then
2486
            echo "Warning: compilation may fail because you're using"
2487
            echo "/usr/ucb/cc.  You should change your PATH or CC "
2488
            echo "variable and rerun configure."
2489
        else
2490
            echo "Warning: compilation may fail because you're using"
2491
            echo "/usr/ucb/cc, when you should use the C compiler from"
2492
            echo "$could_use.  You should change your"
2493
            echo "PATH or CC variable and rerun configure."
2494
        fi
2495
      fi
2496
  ;;
2497
esac
2498
 
2499
# Decide which environment variable is used to find dynamic libraries.
2500
case "${host}" in
2501
  *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2502
  *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2503
  *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2504
  *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2505
esac
2506
 
2507
# On systems where the dynamic library environment variable is PATH,
2508
# gcc/ will put dynamic libraries into a subdirectory to avoid adding
2509
# built executables to PATH.
2510
if test "$RPATH_ENVVAR" = PATH; then
2511
  GCC_SHLIB_SUBDIR=/shlib
2512
else
2513
  GCC_SHLIB_SUBDIR=
2514
fi
2515
 
2516
# Record target_configdirs and the configure arguments for target and
2517
# build configuration in Makefile.
2518
target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2519
build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2520
 
2521
# Determine whether gdb needs tk/tcl or not.
2522
# Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2523
# and in that case we want gdb to be built without tk.  Ugh!
2524
# In fact I believe gdb is the *only* package directly dependent on tk,
2525
# so we should be able to put the 'maybe's in unconditionally and
2526
# leave out the maybe dependencies when enable_gdbtk is false.  I'm not
2527
# 100% sure that that's safe though.
2528
 
2529
gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2530
case "$enable_gdbtk" in
2531
  no)
2532
    GDB_TK="" ;;
2533
  yes)
2534
    GDB_TK="${gdb_tk}" ;;
2535
  *)
2536
    # Only add the dependency on gdbtk when GDBtk is part of the gdb
2537
    # distro.  Eventually someone will fix this and move Insight, nee
2538
    # gdbtk to a separate directory.
2539
    if test -d ${srcdir}/gdb/gdbtk ; then
2540
      GDB_TK="${gdb_tk}"
2541
    else
2542
      GDB_TK=""
2543
    fi
2544
    ;;
2545
esac
2546
CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2547
INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2548
 
2549
# Strip out unwanted targets.
2550
 
2551
# While at that, we remove Makefiles if we were started for recursive
2552
# configuration, so that the top-level Makefile reconfigures them,
2553
# like we used to do when configure itself was recursive.
2554
 
2555
# Loop over modules.  We used to use the "$extrasub" feature from Autoconf
2556
# but now we're fixing up the Makefile ourselves with the additional
2557
# commands passed to AC_CONFIG_FILES.  Use separate variables
2558
# extrasub-{build,host,target} not because there is any reason to split
2559
# the substitutions up that way, but only to remain below the limit of
2560
# 99 commands in a script, for HP-UX sed.
2561
# Do not nest @if/@endif pairs, because configure will not warn you at all.
2562
 
2563
AC_ARG_ENABLE([bootstrap],
2564
[  --enable-bootstrap      enable bootstrapping @<:@yes if native build@:>@],,
2565
enable_bootstrap=default)
2566
 
2567
# Issue errors and warnings for invalid/strange bootstrap combinations.
2568
case "$configdirs" in
2569
  *gcc*) have_compiler=yes ;;
2570
  *) have_compiler=no ;;
2571
esac
2572
 
2573
case "$have_compiler:$host:$target:$enable_bootstrap" in
2574
  *:*:*:no) ;;
2575
 
2576
  # Default behavior.  Enable bootstrap if we have a compiler
2577
  # and we are in a native configuration.
2578
  yes:$build:$build:default)
2579
    enable_bootstrap=yes ;;
2580
 
2581
  *:*:*:default)
2582
    enable_bootstrap=no ;;
2583
 
2584
  # We have a compiler and we are in a native configuration, bootstrap is ok
2585
  yes:$build:$build:yes)
2586
    ;;
2587
 
2588
  # Other configurations, but we have a compiler.  Assume the user knows
2589
  # what he's doing.
2590
  yes:*:*:yes)
2591
    AC_MSG_WARN([trying to bootstrap a cross compiler])
2592
    ;;
2593
 
2594
  # No compiler: if they passed --enable-bootstrap explicitly, fail
2595
  no:*:*:yes)
2596
    AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
2597
 
2598
  # Fail if wrong command line
2599
  *)
2600
    AC_MSG_ERROR([invalid option for --enable-bootstrap])
2601
    ;;
2602
esac
2603
 
2604
case ",$enable_languages,:$ENABLE_BUILD_WITH_CXX:$enable_bootstrap" in
2605
  *,c++,*:yes:yes) ;;
2606
  *:yes:yes)
2607
    AC_MSG_ERROR([bootstrapping with --enable-build-with-cxx requires c++ in --enable-languages])
2608
    ;;
2609
esac
2610
 
2611
case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2612
  yes:yes:*\ gold\ *:*,c++,*) ;;
2613
  yes:yes:*\ gold\ *:*)
2614
    AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2615
    ;;
2616
esac
2617
 
2618
# Adjust the toplevel makefile according to whether bootstrap was selected.
2619
case $enable_bootstrap in
2620
  yes)
2621
    bootstrap_suffix=bootstrap
2622
    BUILD_CONFIG=bootstrap-debug
2623
    ;;
2624
  no)
2625
    bootstrap_suffix=no-bootstrap
2626
    BUILD_CONFIG=
2627
    ;;
2628
esac
2629
 
2630
AC_MSG_CHECKING(for default BUILD_CONFIG)
2631
 
2632
AC_ARG_WITH([build-config],
2633
  [--with-build-config='NAME NAME2...'
2634
                          Use config/NAME.mk build configuration],
2635
  [case $with_build_config in
2636
   yes) with_build_config= ;;
2637
   no) with_build_config= BUILD_CONFIG= ;;
2638
   esac])
2639
 
2640
if test "x${with_build_config}" != x; then
2641
  BUILD_CONFIG=$with_build_config
2642
else
2643
  case $BUILD_CONFIG in
2644
  bootstrap-debug)
2645
    if echo "int f (void) { return 0; }" > conftest.c &&
2646
       ${CC} -c conftest.c &&
2647
       mv conftest.o conftest.o.g0 &&
2648
       ${CC} -c -g conftest.c &&
2649
       mv conftest.o conftest.o.g &&
2650
       ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g; then
2651
      :
2652
    else
2653
      BUILD_CONFIG=
2654
    fi
2655
    rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2656
    ;;
2657
  esac
2658
fi
2659
AC_MSG_RESULT($BUILD_CONFIG)
2660
AC_SUBST(BUILD_CONFIG)
2661
 
2662
extrasub_build=
2663
for module in ${build_configdirs} ; do
2664
  if test -z "${no_recursion}" \
2665
     && test -f ${build_subdir}/${module}/Makefile; then
2666
    echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2667
    rm -f ${build_subdir}/${module}/Makefile
2668
  fi
2669
  extrasub_build="$extrasub_build
2670
/^@if build-$module\$/d
2671
/^@endif build-$module\$/d
2672
/^@if build-$module-$bootstrap_suffix\$/d
2673
/^@endif build-$module-$bootstrap_suffix\$/d"
2674
done
2675
extrasub_host=
2676
for module in ${configdirs} ; do
2677
  if test -z "${no_recursion}"; then
2678
    for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2679
      if test -f ${file}; then
2680
        echo 1>&2 "*** removing ${file} to force reconfigure"
2681
        rm -f ${file}
2682
      fi
2683
    done
2684
  fi
2685
  extrasub_host="$extrasub_host
2686
/^@if $module\$/d
2687
/^@endif $module\$/d
2688
/^@if $module-$bootstrap_suffix\$/d
2689
/^@endif $module-$bootstrap_suffix\$/d"
2690
done
2691
extrasub_target=
2692
for module in ${target_configdirs} ; do
2693
  if test -z "${no_recursion}" \
2694
     && test -f ${target_subdir}/${module}/Makefile; then
2695
    echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2696
    rm -f ${target_subdir}/${module}/Makefile
2697
  fi
2698
 
2699
  # We only bootstrap target libraries listed in bootstrap_target_libs.
2700
  case $bootstrap_target_libs in
2701
    *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2702
    *) target_bootstrap_suffix=no-bootstrap ;;
2703
  esac
2704
 
2705
  extrasub_target="$extrasub_target
2706
/^@if target-$module\$/d
2707
/^@endif target-$module\$/d
2708
/^@if target-$module-$target_bootstrap_suffix\$/d
2709
/^@endif target-$module-$target_bootstrap_suffix\$/d"
2710
done
2711
 
2712
# Do the final fixup along with target modules.
2713
extrasub_target="$extrasub_target
2714
/^@if /,/^@endif /d"
2715
 
2716
# Create the serialization dependencies.  This uses a temporary file.
2717
 
2718
AC_ARG_ENABLE([serial-configure],
2719
[  --enable-serial-@<:@{host,target,build}-@:>@configure
2720
                          force sequential configuration of
2721
                          sub-packages for the host, target or build
2722
                          machine, or all sub-packages])
2723
 
2724
case ${enable_serial_configure} in
2725
  yes)
2726
    enable_serial_build_configure=yes
2727
    enable_serial_host_configure=yes
2728
    enable_serial_target_configure=yes
2729
    ;;
2730
esac
2731
 
2732
# These force 'configure's to be done one at a time, to avoid problems
2733
# with contention over a shared config.cache.
2734
rm -f serdep.tmp
2735
echo '# serdep.tmp' > serdep.tmp
2736
olditem=
2737
test "x${enable_serial_build_configure}" = xyes &&
2738
for item in ${build_configdirs} ; do
2739
  case ${olditem} in
2740
    "") ;;
2741
    *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2742
  esac
2743
  olditem=${item}
2744
done
2745
olditem=
2746
test "x${enable_serial_host_configure}" = xyes &&
2747
for item in ${configdirs} ; do
2748
  case ${olditem} in
2749
    "") ;;
2750
    *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2751
  esac
2752
  olditem=${item}
2753
done
2754
olditem=
2755
test "x${enable_serial_target_configure}" = xyes &&
2756
for item in ${target_configdirs} ; do
2757
  case ${olditem} in
2758
    "") ;;
2759
    *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2760
  esac
2761
  olditem=${item}
2762
done
2763
serialization_dependencies=serdep.tmp
2764
AC_SUBST_FILE(serialization_dependencies)
2765
 
2766
# Base args.  Strip norecursion, cache-file, srcdir, host, build,
2767
# target, nonopt, and variable assignments.  These are the ones we
2768
# might not want to pass down to subconfigures.  The exception being
2769
# --cache-file=/dev/null, which is used to turn off the use of cache
2770
# files altogether, and which should be passed on to subconfigures.
2771
# Also strip program-prefix, program-suffix, and program-transform-name,
2772
# so that we can pass down a consistent program-transform-name.
2773
baseargs=
2774
keep_next=no
2775
skip_next=no
2776
eval "set -- $ac_configure_args"
2777
for ac_arg
2778
do
2779
  if test X"$skip_next" = X"yes"; then
2780
    skip_next=no
2781
    continue
2782
  fi
2783
  if test X"$keep_next" = X"yes"; then
2784
    case $ac_arg in
2785
      *\'*)
2786
        ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2787
    esac
2788
    baseargs="$baseargs '$ac_arg'"
2789
    keep_next=no
2790
    continue
2791
  fi
2792
 
2793
  # Handle separated arguments.  Based on the logic generated by
2794
  # autoconf 2.59.
2795
  case $ac_arg in
2796
    *=* | --config-cache | -C | -disable-* | --disable-* \
2797
      | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2798
      | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2799
      | -with-* | --with-* | -without-* | --without-* | --x)
2800
      separate_arg=no
2801
      ;;
2802
    -*)
2803
      separate_arg=yes
2804
      ;;
2805
    *)
2806
      separate_arg=no
2807
      ;;
2808
  esac
2809
 
2810
  case "$ac_arg" in
2811
    --cache-file=/dev/null | \
2812
    -cache-file=/dev/null )
2813
      # Handled here to avoid the test to skip args below.
2814
      baseargs="$baseargs '$ac_arg'"
2815
      # Assert: $separate_arg should always be no.
2816
      keep_next=$separate_arg
2817
      ;;
2818
    --no*)
2819
      continue
2820
      ;;
2821
    --c* | \
2822
    --sr* | \
2823
    --ho* | \
2824
    --bu* | \
2825
    --t* | \
2826
    --program-* | \
2827
    -cache_file* | \
2828
    -srcdir* | \
2829
    -host* | \
2830
    -build* | \
2831
    -target* | \
2832
    -program-prefix* | \
2833
    -program-suffix* | \
2834
    -program-transform-name* )
2835
      skip_next=$separate_arg
2836
      continue
2837
      ;;
2838
    -*)
2839
      # An option.  Add it.
2840
      case $ac_arg in
2841
        *\'*)
2842
          ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2843
      esac
2844
      baseargs="$baseargs '$ac_arg'"
2845
      keep_next=$separate_arg
2846
      ;;
2847
    *)
2848
      # Either a variable assignment, or a nonopt (triplet).  Don't
2849
      # pass it down; let the Makefile handle this.
2850
      continue
2851
      ;;
2852
  esac
2853
done
2854
# Remove the initial space we just introduced and, as these will be
2855
# expanded by make, quote '$'.
2856
baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2857
 
2858
# Add in --program-transform-name, after --program-prefix and
2859
# --program-suffix have been applied to it.  Autoconf has already
2860
# doubled dollar signs and backslashes in program_transform_name; we want
2861
# the backslashes un-doubled, and then the entire thing wrapped in single
2862
# quotes, because this will be expanded first by make and then by the shell.
2863
# Also, because we want to override the logic in subdir configure scripts to
2864
# choose program_transform_name, replace any s,x,x, with s,y,y,.
2865
sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" < conftestsed.out
2866
${program_transform_name}
2867
EOF_SED
2868
gcc_transform_name=`cat conftestsed.out`
2869
rm -f conftestsed.out
2870
baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2871
if test "$silent" = yes; then
2872
  baseargs="$baseargs --silent"
2873
fi
2874
baseargs="$baseargs --disable-option-checking"
2875
 
2876
# For the build-side libraries, we just need to pretend we're native,
2877
# and not use the same cache file.  Multilibs are neither needed nor
2878
# desired.
2879
build_configargs="--cache-file=../config.cache ${baseargs}"
2880
 
2881
# For host modules, accept cache file option, or specification as blank.
2882
case "${cache_file}" in
2883
"") # empty
2884
  cache_file_option="" ;;
2885
/* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2886
  cache_file_option="--cache-file=${cache_file}" ;;
2887
*) # relative path
2888
  cache_file_option="--cache-file=../${cache_file}" ;;
2889
esac
2890
 
2891
# Host dirs don't like to share a cache file either, horribly enough.
2892
# This seems to be due to autoconf 2.5x stupidity.
2893
host_configargs="--cache-file=./config.cache ${extra_host_args} ${baseargs}"
2894
 
2895
target_configargs=${baseargs}
2896
 
2897
# Passing a --with-cross-host argument lets the target libraries know
2898
# whether they are being built with a cross-compiler or being built
2899
# native.  However, it would be better to use other mechanisms to make the
2900
# sorts of decisions they want to make on this basis.  Please consider
2901
# this option to be deprecated.  FIXME.
2902
if test x${is_cross_compiler} = xyes ; then
2903
  target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2904
fi
2905
 
2906
# Default to --enable-multilib.
2907
if test x${enable_multilib} = x ; then
2908
  target_configargs="--enable-multilib ${target_configargs}"
2909
fi
2910
 
2911
# Pass --with-newlib if appropriate.  Note that target_configdirs has
2912
# changed from the earlier setting of with_newlib.
2913
if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2914
  target_configargs="--with-newlib ${target_configargs}"
2915
fi
2916
 
2917
# Different target subdirs use different values of certain variables
2918
# (notably CXX).  Worse, multilibs use *lots* of different values.
2919
# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2920
# it doesn't automatically accept command-line overrides of them.
2921
# This means it's not safe for target subdirs to share a cache file,
2922
# which is disgusting, but there you have it.  Hopefully this can be
2923
# fixed in future.  It's still worthwhile to use a cache file for each
2924
# directory.  I think.
2925
 
2926
# Pass the appropriate --build, --host, --target and --cache-file arguments.
2927
# We need to pass --target, as newer autoconf's requires consistency
2928
# for target_alias and gcc doesn't manage it consistently.
2929
target_configargs="--cache-file=./config.cache ${target_configargs}"
2930
 
2931
FLAGS_FOR_TARGET=
2932
case " $target_configdirs " in
2933
 *" newlib "*)
2934
  case " $target_configargs " in
2935
  *" --with-newlib "*)
2936
   case "$target" in
2937
    *-cygwin*)
2938
      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'
2939
      ;;
2940
   esac
2941
 
2942
   # If we're not building GCC, don't discard standard headers.
2943
   if test -d ${srcdir}/gcc; then
2944
     FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2945
 
2946
     if test "${build}" != "${host}"; then
2947
       # On Canadian crosses, CC_FOR_TARGET will have already been set
2948
       # by `configure', so we won't have an opportunity to add -Bgcc/
2949
       # to it.  This is right: we don't want to search that directory
2950
       # for binaries, but we want the header files in there, so add
2951
       # them explicitly.
2952
       FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include'
2953
 
2954
       # Someone might think of using the pre-installed headers on
2955
       # Canadian crosses, in case the installed compiler is not fully
2956
       # compatible with the compiler being built.  In this case, it
2957
       # would be better to flag an error than risking having
2958
       # incompatible object files being constructed.  We can't
2959
       # guarantee that an error will be flagged, but let's hope the
2960
       # compiler will do it, when presented with incompatible header
2961
       # files.
2962
     fi
2963
   fi
2964
 
2965
   case "${target}-${is_cross_compiler}" in
2966
   i[[3456789]]86-*-linux*-no)
2967
      # Here host == target, so we don't need to build gcc,
2968
      # so we don't want to discard standard headers.
2969
      FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2970
      ;;
2971
   *)
2972
      # If we're building newlib, use its generic headers last, but search
2973
      # for any libc-related directories first (so make it the last -B
2974
      # switch).
2975
      FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2976
 
2977
      # If we're building libgloss, find the startup file, simulator library
2978
      # and linker script.
2979
      case " $target_configdirs " in
2980
        *" libgloss "*)
2981
        # Look for startup file, simulator library and maybe linker script.
2982
        FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2983
        # Look for libnosys.a in case the target needs it.
2984
        FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2985
        # Most targets have the linker script in the source directory.
2986
        FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
2987
        ;;
2988
      esac
2989
      ;;
2990
   esac
2991
   ;;
2992
  esac
2993
  ;;
2994
esac
2995
 
2996
case "$target" in
2997
  x86_64-*mingw* | *-w64-mingw*)
2998
  # MinGW-w64 does not use newlib, nor does it use winsup. It may,
2999
  # however, use a symlink named 'mingw' in ${prefix} .
3000
    FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3001
    ;;
3002
  *-mingw*)
3003
  # MinGW can't be handled as Cygwin above since it does not use newlib.
3004
    FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
3005
    ;;
3006
esac
3007
 
3008
# Allow the user to override the flags for
3009
# our build compiler if desired.
3010
if test x"${build}" = x"${host}" ; then
3011
  CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3012
  CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3013
  LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3014
fi
3015
 
3016
# On Canadian crosses, we'll be searching the right directories for
3017
# the previously-installed cross compiler, so don't bother to add
3018
# flags for directories within the install tree of the compiler
3019
# being built; programs in there won't even run.
3020
if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
3021
  # Search for pre-installed headers if nothing else fits.
3022
  FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
3023
fi
3024
 
3025
if test "x${use_gnu_ld}" = x &&
3026
   echo " ${configdirs} " | grep " ld " > /dev/null ; then
3027
  # Arrange for us to find uninstalled linker scripts.
3028
  FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3029
fi
3030
 
3031
# Search for other target-specific linker scripts and such.
3032
case "${target}" in
3033
  mep*)
3034
    FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3035
    ;;
3036
esac
3037
 
3038
# Makefile fragments.
3039
for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3040
do
3041
  eval fragval=\$$frag
3042
  if test $fragval != /dev/null; then
3043
    eval $frag=${srcdir}/$fragval
3044
  fi
3045
done
3046
AC_SUBST_FILE(host_makefile_frag)
3047
AC_SUBST_FILE(target_makefile_frag)
3048
AC_SUBST_FILE(alphaieee_frag)
3049
AC_SUBST_FILE(ospace_frag)
3050
 
3051
# Miscellanea: directories, flags, etc.
3052
AC_SUBST(RPATH_ENVVAR)
3053
AC_SUBST(GCC_SHLIB_SUBDIR)
3054
AC_SUBST(tooldir)
3055
AC_SUBST(build_tooldir)
3056
AC_SUBST(CONFIGURE_GDB_TK)
3057
AC_SUBST(GDB_TK)
3058
AC_SUBST(INSTALL_GDB_TK)
3059
 
3060
# Build module lists & subconfigure args.
3061
AC_SUBST(build_configargs)
3062
AC_SUBST(build_configdirs)
3063
 
3064
# Host module lists & subconfigure args.
3065
AC_SUBST(host_configargs)
3066
AC_SUBST(configdirs)
3067
 
3068
# Target module lists & subconfigure args.
3069
AC_SUBST(target_configargs)
3070
 
3071
 
3072
# Build tools.
3073
AC_SUBST(AR_FOR_BUILD)
3074
AC_SUBST(AS_FOR_BUILD)
3075
AC_SUBST(CC_FOR_BUILD)
3076
AC_SUBST(CFLAGS_FOR_BUILD)
3077
AC_SUBST(CXXFLAGS_FOR_BUILD)
3078
AC_SUBST(CXX_FOR_BUILD)
3079
AC_SUBST(DLLTOOL_FOR_BUILD)
3080
AC_SUBST(GCJ_FOR_BUILD)
3081
AC_SUBST(GFORTRAN_FOR_BUILD)
3082
AC_SUBST(LDFLAGS_FOR_BUILD)
3083
AC_SUBST(LD_FOR_BUILD)
3084
AC_SUBST(NM_FOR_BUILD)
3085
AC_SUBST(RANLIB_FOR_BUILD)
3086
AC_SUBST(WINDMC_FOR_BUILD)
3087
AC_SUBST(WINDRES_FOR_BUILD)
3088
AC_SUBST(config_shell)
3089
 
3090
# Generate default definitions for YACC, M4, LEX and other programs that run
3091
# on the build machine.  These are used if the Makefile can't locate these
3092
# programs in objdir.
3093
MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3094
 
3095
AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3096
case " $build_configdirs " in
3097
  *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3098
  *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
3099
esac
3100
 
3101
AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3102
case " $build_configdirs " in
3103
  *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3104
esac
3105
 
3106
AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3107
case " $build_configdirs " in
3108
  *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3109
esac
3110
 
3111
AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3112
case " $build_configdirs " in
3113
  *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3114
  *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3115
esac
3116
 
3117
AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3118
case " $build_configdirs " in
3119
  *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3120
esac
3121
 
3122
AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3123
case " $build_configdirs " in
3124
  *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3125
  *)
3126
changequote(,)
3127
    # For an installed makeinfo, we require it to be from texinfo 4.7 or
3128
    # higher, else we use the "missing" dummy.
3129
    if ${MAKEINFO} --version \
3130
       | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3131
      :
3132
    else
3133
      MAKEINFO="$MISSING makeinfo"
3134
    fi
3135
    ;;
3136
changequote([,])
3137
esac
3138
 
3139
# FIXME: expect and dejagnu may become build tools?
3140
 
3141
AC_CHECK_PROGS(EXPECT, expect, expect)
3142
case " $configdirs " in
3143
  *" expect "*)
3144
    test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3145
    ;;
3146
esac
3147
 
3148
AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3149
case " $configdirs " in
3150
  *" dejagnu "*)
3151
    test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3152
    ;;
3153
esac
3154
 
3155
 
3156
# Host tools.
3157
NCN_STRICT_CHECK_TOOLS(AR, ar)
3158
NCN_STRICT_CHECK_TOOLS(AS, as)
3159
NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3160
NCN_STRICT_CHECK_TOOLS(LD, ld)
3161
NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3162
NCN_STRICT_CHECK_TOOLS(NM, nm)
3163
NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, :)
3164
NCN_STRICT_CHECK_TOOLS(STRIP, strip, :)
3165
NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3166
NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3167
NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3168
NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3169
AC_SUBST(CC)
3170
AC_SUBST(CXX)
3171
AC_SUBST(CFLAGS)
3172
AC_SUBST(CXXFLAGS)
3173
 
3174
# Target tools.
3175
AC_ARG_WITH([build-time-tools],
3176
  [  --with-build-time-tools=PATH
3177
                          use given path to find target tools during the build],
3178
  [case x"$withval" in
3179
     x/*) ;;
3180
     *)
3181
       with_build_time_tools=
3182
       AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3183
       ;;
3184
   esac],
3185
  [with_build_time_tools=])
3186
 
3187
NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3188
NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3189
NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3190
NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3191
NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3192
 
3193
ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3194
ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3195
ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3196
ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3197
ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3198
ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3199
ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3200
ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
3201
ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3202
ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3203
ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3204
 
3205
RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3206
 
3207
GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3208
GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3209
GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3210
GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3211
                [gcc/g++ -B$$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],
3212
                c++)
3213
GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3214
                [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3215
                c++)
3216
GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3217
GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3218
GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3219
                [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3220
GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3221
                [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3222
GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3223
GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3224
GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3225
GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3226
GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3227
GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip])
3228
GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3229
GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3230
 
3231
AC_SUBST(FLAGS_FOR_TARGET)
3232
AC_SUBST(RAW_CXX_FOR_TARGET)
3233
 
3234
# Certain tools may need extra flags.
3235
AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3236
RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3237
NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3238
 
3239
# When building target libraries, except in a Canadian cross, we use
3240
# the same toolchain as the compiler we just built.
3241
COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3242
COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3243
COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3244
if test $host = $build; then
3245
  case " $configdirs " in
3246
    *" gcc "*)
3247
      COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3248
      COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3249
      COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3250
      ;;
3251
  esac
3252
fi
3253
 
3254
AC_SUBST(COMPILER_AS_FOR_TARGET)
3255
AC_SUBST(COMPILER_LD_FOR_TARGET)
3256
AC_SUBST(COMPILER_NM_FOR_TARGET)
3257
 
3258
AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3259
AC_ARG_ENABLE(maintainer-mode,
3260
[  --enable-maintainer-mode enable make rules and dependencies not useful
3261
                          (and sometimes confusing) to the casual installer],
3262
      USE_MAINTAINER_MODE=$enableval,
3263
      USE_MAINTAINER_MODE=no)
3264
AC_MSG_RESULT($USE_MAINTAINER_MODE)
3265
AC_SUBST(MAINTAINER_MODE_TRUE)
3266
AC_SUBST(MAINTAINER_MODE_FALSE)
3267
if test "$USE_MAINTAINER_MODE" = yes; then
3268
  MAINTAINER_MODE_TRUE=
3269
  MAINTAINER_MODE_FALSE='#'
3270
else
3271
  MAINTAINER_MODE_TRUE='#'
3272
  MAINTAINER_MODE_FALSE=
3273
fi
3274
MAINT=$MAINTAINER_MODE_TRUE
3275
AC_SUBST(MAINT)dnl
3276
 
3277
# ---------------------
3278
# GCC bootstrap support
3279
# ---------------------
3280
 
3281
# Stage specific cflags for build.
3282
stage1_cflags="-g"
3283
case $build in
3284
  vax-*-*)
3285
    case ${GCC} in
3286
      yes) stage1_cflags="-g -Wa,-J" ;;
3287
      *) stage1_cflags="-g -J" ;;
3288
    esac ;;
3289
esac
3290
 
3291
# This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
3292
if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
3293
  saved_CFLAGS="$CFLAGS"
3294
 
3295
  # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3296
  CFLAGS="$CFLAGS -fkeep-inline-functions"
3297
  AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
3298
  AC_TRY_COMPILE([
3299
#if (__GNUC__ < 3) \
3300
    || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3301
                          || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3302
#error http://gcc.gnu.org/PR29382
3303
#endif
3304
    ],,
3305
    [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3306
    [AC_MSG_RESULT([no])])
3307
 
3308
  CFLAGS="$saved_CFLAGS"
3309
fi
3310
 
3311
AC_SUBST(stage1_cflags)
3312
 
3313
# Enable --enable-checking in stage1 of the compiler.
3314
AC_ARG_ENABLE(stage1-checking,
3315
[  --enable-stage1-checking@<:@=all@:>@   choose additional checking for stage1
3316
                          of the compiler],
3317
[stage1_checking=--enable-checking=${enable_stage1_checking}],
3318
[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3319
  stage1_checking=--enable-checking=yes,types
3320
else
3321
  stage1_checking=--enable-checking=$enable_checking,types
3322
fi])
3323
AC_SUBST(stage1_checking)
3324
 
3325
# Enable -Werror in bootstrap stage2 and later.
3326
AC_ARG_ENABLE(werror,
3327
[  --enable-werror         enable -Werror in bootstrap stage2 and later], [],
3328
[if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3329
  enable_werror=yes
3330
else
3331
  enable_werror=no
3332
fi])
3333
case ${enable_werror} in
3334
  yes) stage2_werror_flag="--enable-werror-always" ;;
3335
  *) stage2_werror_flag="" ;;
3336
esac
3337
AC_SUBST(stage2_werror_flag)
3338
 
3339
# Specify what files to not compare during bootstrap.
3340
 
3341
compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3342
case "$target" in
3343
  hppa*64*-*-hpux*) ;;
3344
  hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3345
esac
3346
case " $configdirs " in
3347
*" ppl "*) compare_exclusions="$compare_exclusions | ppl/src/ppl-config.o" ;;
3348
esac
3349
AC_SUBST(compare_exclusions)
3350
 
3351
AC_CONFIG_FILES([Makefile],
3352
  [sed "$extrasub_build" Makefile |
3353
   sed "$extrasub_host" |
3354
   sed "$extrasub_target" > mf$$
3355
   mv -f mf$$ Makefile],
3356
  [extrasub_build="$extrasub_build"
3357
   extrasub_host="$extrasub_host"
3358
   extrasub_target="$extrasub_target"])
3359
AC_OUTPUT

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