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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [boehm-gc/] [configure.ac] - Blame information for rev 791

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# Copyright (c) 1999, 2000, 2001, 2002, 2003, 2006, 2010, 2011 by Red Hat, Inc.
2
# All rights reserved.
3
# Copyright 2004 Nathanael Nerode
4
#
5
# THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
6
# OR IMPLIED.  ANY USE IS AT YOUR OWN RISK.
7
#
8
# Permission is hereby granted to use or copy this program
9
# for any purpose,  provided the above notices are retained on all copies.
10
# Permission to modify the code and to distribute modified code is granted,
11
# provided the above notices are retained, and a notice that the code was
12
# modified is included with the above copyright notice.
13
#
14
# Original author: Tom Tromey
15
# Modified by Nathanael Nerode
16
 
17
dnl Process this file with autoconf to produce configure.
18
 
19
AC_PREREQ(2.64)
20
AC_INIT
21
AC_CONFIG_SRCDIR(gcj_mlc.c)
22
# This works around the fact that libtool configuration may change LD
23
# for this particular configuration, but some shells, instead of
24
# keeping the changes in LD private, export them just because LD is
25
# exported.
26
ORIGINAL_LD_FOR_MULTILIBS=$LD
27
 
28
AM_ENABLE_MULTILIB(, ..)
29
 
30
AC_CANONICAL_HOST
31
AC_CANONICAL_TARGET
32
 
33
# Get the 'noncanonical' system names.
34
ACX_NONCANONICAL_TARGET
35
 
36
# This works around an automake problem.
37
mkinstalldirs="`cd $ac_aux_dir && ${PWDCMD-pwd}`/mkinstalldirs"
38
AC_SUBST(mkinstalldirs)
39
 
40
AM_INIT_AUTOMAKE(gc, 6.6, no-define)
41
 
42
# The autoconf 2.5x version of the no-executables hack.
43
GCC_NO_EXECUTABLES
44
 
45
# Yak.  We must force CC and CXX to /not/ be precious variables; otherwise
46
# the wrong, non-multilib-adjusted value will be used in multilibs.
47
# As a side effect, we have to subst CFLAGS and CXXFLAGS ourselves.
48
 
49
m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS])
50
m4_define([_AC_ARG_VAR_PRECIOUS],[])
51
AC_PROG_CC
52
AC_PROG_CXX
53
m4_rename_force([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
54
 
55
AM_PROG_CC_C_O
56
 
57
AC_SUBST(CFLAGS)
58
AC_SUBST(CXXFLAGS)
59
 
60
# Newer automakes demand CCAS and CCASFLAGS.
61
: ${CCAS='$(CC)'}
62
: ${CCASFLAGS='$(CFLAGS)'}
63
AC_SUBST(CCAS)
64
AC_SUBST(CCASFLAGS)
65
 
66
AC_CHECK_TOOL(AS, as)
67
AC_CHECK_TOOL(AR, ar)
68
AC_CHECK_TOOL(RANLIB, ranlib, :)
69
 
70
AC_PROG_INSTALL
71
 
72
AM_MAINTAINER_MODE
73
 
74
. ${srcdir}/configure.host
75
 
76
case ${gc_basedir} in
77
/* | [A-Za-z]:[/\\]*) gc_flagbasedir=${gc_basedir} ;;
78
*) gc_flagbasedir='$(top_builddir)/'${gc_basedir} ;;
79
esac
80
 
81
gc_cflags="${gc_cflags} -Iinclude -I"'$(top_builddir)'"/./targ-include -I${gc_flagbasedir}/libc/include"
82
case "${host}" in
83
  *-*-cygwin32*)
84
    gc_cflags="${gc_cflags} -I${gc_flagbasedir}/../winsup/include"
85
    ;;
86
esac
87
 
88
dnl Add for mingw targets GC_BUILD option
89
case "${host}" in
90
  *-*-mingw*)
91
    gc_cflags="${gc_cflags} -DGC_BUILD=1"
92
    ;;
93
esac
94
 
95
dnl gc_cflags="${gc_cflags} -fno-builtin"
96
 
97
GC_CFLAGS=${gc_cflags}
98
AC_SUBST(GC_CFLAGS)
99
 
100
AC_PROG_LIBTOOL
101
 
102
dnl We use these options to decide which functions to include.
103
AC_ARG_WITH(target-subdir,
104
[  --with-target-subdir=SUBDIR
105
                          configuring with a cross compiler])
106
AC_ARG_WITH(cross-host,
107
[  --with-cross-host=HOST  configuring with a cross compiler])
108
 
109
AC_MSG_CHECKING([for thread model used by GCC])
110
THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
111
if test -z "$THREADS"; then
112
   THREADS=no
113
fi
114
AC_MSG_RESULT([$THREADS])
115
 
116
AC_ARG_ENABLE(parallel-mark,
117
[  --enable-parallel-mark       parallelize marking and free list construction],
118
   [case "$THREADS" in
119
      no | none | single)
120
        AC_MSG_ERROR([Parallel mark requires --enable-threads=x spec])
121
        ;;
122
    esac]
123
)
124
 
125
AM_CPPFLAGS="-I`cd $srcdir && ${PWDCMD-pwd}`/include"
126
THREADCFLAGS=
127
THREADLIBS=
128
case "$THREADS" in
129
 no | none | single)
130
    THREADS=none
131
    ;;
132
 posix | pthreads)
133
    THREADS=posix
134
    THREADLIBS=-lpthread
135
    case "$host" in
136
     x86-*-linux* | ia64-*-linux* | i586-*-linux* | i686-*-linux* | x86_64-*-linux* | alpha-*-linux*)
137
        AC_DEFINE(GC_LINUX_THREADS,1,[support for Xavier Leroy's Linux threads])
138
        AC_DEFINE(_REENTRANT,1,[Use reentrant code])
139
        if test "${enable_parallel_mark}" = yes; then
140
          AC_DEFINE(PARALLEL_MARK,1,[allow the marker to run in multiple threads])
141
        fi
142
        AC_DEFINE(THREAD_LOCAL_ALLOC,1,[define GC_local_malloc() & GC_local_malloc_atomic()])
143
        ;;
144
     *-*-linux*)
145
        AC_DEFINE(GC_LINUX_THREADS,1)
146
        AC_DEFINE(_REENTRANT,1)
147
        ;;
148
     *-*-aix*)
149
        AC_DEFINE(GC_AIX_THREADS,1,[support AIX threads])
150
        AC_DEFINE(_REENTRANT,1)
151
        ;;
152
     *-*-hpux11*)
153
        AC_MSG_WARN("Only HP-UX 11 POSIX threads are supported.")
154
        AC_DEFINE(GC_HPUX_THREADS,1,[enables support for HP/UX 11 pthreads])
155
        AC_DEFINE(_POSIX_C_SOURCE,199506L,[POSIX version of C Source])
156
        if test "${enable_parallel_mark}" = yes; then
157
          AC_DEFINE(PARALLEL_MARK,1)
158
        fi
159
        AC_DEFINE(THREAD_LOCAL_ALLOC,1)
160
        THREADLIBS="-lpthread -lrt"
161
        # HPUX needs REENTRANT for the _r calls.
162
        AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
163
        ;;
164
     *-*-hpux10*)
165
        AC_MSG_WARN("Only HP-UX 11 POSIX threads are supported.")
166
        ;;
167
     *-*-kfreebsd*-gnu)
168
       AC_DEFINE(GC_FREEBSD_THREADS)
169
       THREADCFLAGS=-pthread
170
       THREADLIBS=-pthread
171
       AC_DEFINE(_REENTRANT)
172
         if test "${enable_parallel_mark}" = yes; then
173
         AC_DEFINE(PARALLEL_MARK)
174
       fi
175
       AC_DEFINE(THREAD_LOCAL_ALLOC)
176
       AC_DEFINE(USE_COMPILER_TLS, 1,[use tls for boehm])
177
       ;;
178
     *-*-freebsd*)
179
        AC_MSG_WARN("FreeBSD does not yet fully support threads with Boehm GC.")
180
        AC_DEFINE(GC_FREEBSD_THREADS,1,[support FreeBSD threads])
181
        THREADCFLAGS=-pthread
182
        THREADLIBS=-pthread
183
        ;;
184
     *-*-solaris2.8*)
185
        AC_DEFINE(GC_SOLARIS_PTHREADS,1,[support for Solaris pthreads])
186
        # Need to use alternate thread library, otherwise gctest hangs
187
        # on Solaris 8.
188
        multi_os_directory=`$CC -print-multi-os-directory`
189
        THREADLIBS="-L/usr/lib/lwp/$multi_os_directory \
190
                    -R/usr/lib/lwp/$multi_os_directory -lpthread -lthread -lrt"
191
        ;;
192
     *-*-solaris2*)
193
        AC_DEFINE(GC_SOLARIS_PTHREADS,1,[support for Solaris pthreads])
194
        # The alternate thread library was only introduced in Solaris 8 and
195
        # became the default in Solaris 9, so no need for the special code
196
        # above otherwise.
197
        # nanosleep, sched_yield, and sem_* only live in librt before
198
        # Solaris 11.
199
        THREADLIBS="-lpthread -lrt"
200
        ;;
201
     *-*-irix*)
202
        AC_DEFINE(GC_IRIX_THREADS,1,[support for Irix pthreads])
203
        ;;
204
     *-*-cygwin*)
205
        AC_DEFINE(GC_WIN32_THREADS,1,[support for win32 threads])
206
        ;;
207
     *-*-darwin*)
208
        AC_DEFINE(GC_DARWIN_THREADS,1,[support for Mac OS X pthreads])
209
        AC_DEFINE(THREAD_LOCAL_ALLOC,1)
210
        if test "${enable_parallel_mark}" = yes; then
211
          AC_DEFINE(PARALLEL_MARK,1)
212
        fi
213
        ;;
214
     *-*-osf*)
215
        AC_DEFINE(GC_OSF1_THREADS,1,[support for Tru64 pthreads])
216
        if test "${enable_parallel_mark}" = yes; then
217
          AC_DEFINE(PARALLEL_MARK,1)
218
          AC_DEFINE(THREAD_LOCAL_ALLOC,1)
219
          # May want to enable it in other cases, too.
220
          # Measurements havent yet been done.
221
        fi
222
        THREADCFLAGS=-pthread
223
        THREADLIBS="-lpthread -lrt"
224
        ;;
225
    esac
226
    ;;
227
 win32)
228
    AC_DEFINE(GC_WIN32_THREADS,1)
229
    dnl Old wine getenv may not return NULL for missing entry.
230
    dnl Define EMPTY_GETENV_RESULTS here to work around the bug.
231
    ;;
232
 aix)
233
    THREADS=posix
234
    THREADLIBS=-lpthread
235
    AC_DEFINE(GC_AIX_THREADS,1)
236
    AC_DEFINE(_REENTRANT,1)
237
    ;;
238
 dce | vxworks)
239
    AC_MSG_ERROR(thread package $THREADS not yet supported)
240
    ;;
241
 *)
242
    AC_MSG_ERROR($THREADS is an unknown thread package)
243
    ;;
244
esac
245
AC_SUBST(THREADCFLAGS)
246
AC_SUBST(THREADLIBS)
247
 
248
case "$host" in
249
   powerpc-*-darwin*)
250
      powerpc_darwin=true
251
      ;;
252
esac
253
AM_CONDITIONAL(POWERPC_DARWIN,test x$powerpc_darwin = xtrue)
254
 
255
# Darwin needs a few extra special tests to deal with variation in the
256
# system headers.
257
case "$host" in
258
  powerpc*-*-darwin*)
259
    AC_CHECK_MEMBER(ppc_thread_state_t.r0,
260
      AC_DEFINE(HAS_PPC_THREAD_STATE_R0,1,
261
        [ppc_thread_state_t has field r0]),,
262
      [#include ])
263
    AC_CHECK_MEMBER(ppc_thread_state_t.__r0,
264
      AC_DEFINE(HAS_PPC_THREAD_STATE___R0,1,dnl
265
        [ppc_thread_state_t has field __r0]),,
266
      [#include ])
267
    AC_CHECK_MEMBER(ppc_thread_state64_t.r0,
268
      AC_DEFINE(HAS_PPC_THREAD_STATE64_R0,1,dnl
269
        [ppc_thread_state64_t has field r0]),,
270
      [#include ])
271
    AC_CHECK_MEMBER(ppc_thread_state64_t.__r0,
272
      AC_DEFINE(HAS_PPC_THREAD_STATE64___R0,1,dnl
273
        [ppc_thread_state64_t has field __r0]),,
274
      [#include ])
275
    ;;
276
  i?86*-*-darwin*)
277
    AC_CHECK_MEMBER(x86_thread_state32_t.eax,
278
      AC_DEFINE(HAS_X86_THREAD_STATE32_EAX,1,dnl
279
        [x86_thread_state32_t has field eax]),,
280
      [#include 
281
      #include ])
282
    AC_CHECK_MEMBER(x86_thread_state32_t.__eax,
283
      AC_DEFINE(HAS_X86_THREAD_STATE32___EAX,1,dnl
284
        [x86_thread_state32_t has field __eax]),,
285
      [#include 
286
      #include ])
287
    ;;
288
  x86_64-*-darwin*)
289
    AC_CHECK_MEMBER(x86_thread_state64_t.rax,
290
      AC_DEFINE(HAS_X86_THREAD_STATE64_RAX,1,dnl
291
        [x86_thread_state64_t has field rax]),,
292
      [#include 
293
      #include ])
294
    AC_CHECK_MEMBER(x86_thread_state64_t.__rax,
295
      AC_DEFINE(HAS_X86_THREAD_STATE64___RAX,1,dnl
296
        [x86_thread_state64_t has field __rax]),,
297
      [#include 
298
      #include ])
299
     ;;
300
  *) ;;
301
esac
302
 
303
case "$host" in
304
  # While IRIX 6 has libdl for the O32 and N32 ABIs, it's missing for N64
305
  # and unnecessary everywhere.
306
  mips-sgi-irix6*) ;;
307
  # We never want libdl on darwin. It is a fake libdl that just ends up making
308
  # dyld calls anyway
309
  *-*-darwin*) ;;
310
  *)
311
    AC_CHECK_LIB(dl, dlopen, EXTRA_TEST_LIBS="$EXTRA_TEST_LIBS -ldl")
312
    ;;
313
esac
314
 
315
# extra LD Flags which are required for targets
316
case "${host}" in
317
  *-*-darwin*)
318
    extra_ldflags_libgc=-Wl,-single_module
319
    ;;
320
esac
321
AC_SUBST(extra_ldflags_libgc)
322
 
323
AC_SUBST(EXTRA_TEST_LIBS)
324
 
325
target_all=libgcjgc.la
326
AC_SUBST(target_all)
327
 
328
dnl If the target is an eCos system, use the appropriate eCos
329
dnl I/O routines.
330
dnl FIXME: this should not be a local option but a global target
331
dnl system; at present there is no eCos target.
332
TARGET_ECOS="no"
333
AC_ARG_WITH(ecos,
334
[  --with-ecos             enable runtime eCos target support],
335
TARGET_ECOS="$with_ecos"
336
)
337
 
338
addobjs=
339
addlibs=
340
addincludes=
341
addtests=
342
case "$TARGET_ECOS" in
343
   no)
344
      ;;
345
   *)
346
      AC_DEFINE(ECOS,1,[Target is ECOS])
347
      AM_CPPFLAGS="${AM_CPPFLAGS} -I${TARGET_ECOS}/include"
348
      addobjs="$addobjs ecos.lo"
349
      ;;
350
esac
351
 
352
if test "${enable_cplusplus}" = yes; then
353
      addincludes="$addincludes include/gc_cpp.h include/gc_allocator.h"
354
      addtests="$addtests test_cpp"
355
fi
356
 
357
AM_CONDITIONAL(CPLUSPLUS, test "${enable_cplusplus}" = yes)
358
 
359
AC_SUBST(CXX)
360
 
361
AC_SUBST(AM_CPPFLAGS)
362
 
363
# Configuration of shared libraries
364
#
365
AC_MSG_CHECKING(whether to build shared libraries)
366
AC_ENABLE_SHARED
367
 
368
case "$host" in
369
 alpha-*-openbsd*)
370
     enable_shared=no
371
     AC_MSG_RESULT(no)
372
     ;;
373
 *)
374
     AC_MSG_RESULT(yes)
375
     ;;
376
esac
377
 
378
# Checks for pthreads functions
379
#
380
oldLIBS="$LIBS"
381
LIBS="$LIBS $THREADLIBS"
382
AC_CHECK_FUNCS([pthread_getattr_np])
383
AC_CHECK_FUNCS([pthread_get_stackaddr_np])
384
LIBS="$oldLIBS"
385
 
386
# Configuration of machine-dependent code
387
#
388
# Set NO_EXECUTE_PERMISSION by default because gcj already uses
389
# ffi_closure_{alloc,free} which takes care of allocating trampolines
390
# in executable memory.
391
#
392
AC_MSG_CHECKING(which machine-dependent code should be used)
393
machdep=
394
case "$host" in
395
 alpha*-*-openbsd*)
396
    machdep="alpha_mach_dep.lo"
397
    if test x"${ac_cv_lib_dl_dlopen}" != xyes ; then
398
       AC_MSG_WARN(OpenBSD/Alpha without dlopen(). Shared library support is disabled)
399
    fi
400
    ;;
401
 alpha*-*-linux*)
402
    machdep="alpha_mach_dep.lo"
403
    ;;
404
 i?86-*-solaris2.[[89]] | i?86-*-solaris2.1? | x86_64-*-solaris2.1?)
405
    AC_DEFINE(SOLARIS25_PROC_VDB_BUG_FIXED,1,[PROC_VDB in Solaris 2.5 gives wrong values for dirty bits])
406
    ;;
407
 mipstx39-*-elf*)
408
    machdep="mips_ultrix_mach_dep.lo"
409
    AC_DEFINE(STACKBASE, __stackbase,[No description])
410
    AC_DEFINE(DATASTART_IS_ETEXT,1,[No description])
411
    ;;
412
 mips-dec-ultrix*)
413
    machdep="mips_ultrix_mach-dep.lo"
414
    ;;
415
 mips-nec-sysv*|mips-unknown-sysv*)
416
    ;;
417
 mips*-*-linux*)
418
    ;;
419
 mips-*-*)
420
    machdep="mips_sgi_mach_dep.lo"
421
    ;;
422
 sparc-*-netbsd*)
423
    machdep="sparc_netbsd_mach_dep.lo"
424
    ;;
425
 sparc-sun-solaris2.3)
426
    machdep="sparc_mach_dep.lo"
427
    AC_DEFINE(SUNOS53_SHARED_LIB,1,[Avoid Solaris 5.3 dynamic library bug])
428
    ;;
429
 sparc*-sun-solaris2.*)
430
    machdep="sparc_mach_dep.lo"
431
    ;;
432
 ia64-*-*)
433
    machdep="mach_dep.lo ia64_save_regs_in_stack.lo"
434
    ;;
435
esac
436
AC_DEFINE(NO_EXECUTE_PERMISSION,1,[cause some or all of the heap to not have execute permission])
437
if test x"$machdep" = x; then
438
AC_MSG_RESULT($machdep)
439
   machdep="mach_dep.lo"
440
fi
441
addobjs="$addobjs $machdep"
442
AC_SUBST(addobjs)
443
AC_SUBST(addincludes)
444
AC_SUBST(addlibs)
445
AC_SUBST(addtests)
446
 
447
dnl As of 4.13a2, the collector will not properly work on Solaris when
448
dnl built with gcc and -O.  So we remove -O in the appropriate case.
449
dnl Not needed anymore on Solaris.
450
AC_MSG_CHECKING([whether GCC optimization should be disabled])
451
O0_CFLAGS=
452
case "$host" in
453
 *aix*) test "$GCC" = yes && O0_CFLAGS=-O0 ;;
454
 *) ;;
455
esac
456
if test x"$O0_CFLAGS" != x; then
457
   AC_MSG_RESULT(yes)
458
else
459
   AC_MSG_RESULT(no)
460
fi
461
AC_SUBST([O0_CFLAGS])
462
 
463
dnl Include defines that have become de facto standard.
464
dnl ALL_INTERIOR_POINTERS can be overridden in startup code.
465
AC_DEFINE(SILENT,1,[disables statistics printing])
466
AC_DEFINE(NO_SIGNALS,1,[does not disable signals])
467
AC_DEFINE(ALL_INTERIOR_POINTERS,1,[allows all pointers to the interior of objects to be recognized])
468
 
469
dnl By default, make the library as general as possible.
470
AC_DEFINE(JAVA_FINALIZATION,1,[make it somewhat safer to finalize objects out of order])
471
AC_DEFINE(GC_GCJ_SUPPORT,1,[include support for gcj])
472
AC_DEFINE(ATOMIC_UNCOLLECTABLE,1,[include code for GC_malloc_atomic_uncollectable])
473
 
474
AC_ARG_ENABLE(gc-debug,
475
[  --enable-gc-debug    include full support for pointer backtracing etc.],
476
[ if test "$enable_gc_debug" = "yes"; then
477
    AC_MSG_WARN("Must define GC_DEBUG and use debug alloc. in clients.")
478
    AC_DEFINE(KEEP_BACK_PTRS,1,[Add code to save back pointers])
479
    AC_DEFINE(DBG_HDRS_ALL,1,[Make sure that all objects have debug headers])
480
    case $host in
481
      ia64-*-linux* )
482
        AC_DEFINE(MAKE_BACK_GRAPH,1,[Enable GC_PRINT_BACK_HEIGHT environment variable])
483
      ;;
484
      x86-*-linux* | i586-*-linux* | i686-*-linux* | x86_64-*-linux* )
485
        AC_DEFINE(MAKE_BACK_GRAPH,1)
486
        AC_MSG_WARN("Client must not use -fomit-frame-pointer.")
487
        AC_DEFINE(SAVE_CALL_COUNT, 8, [number of call frames saved with objects allocated through the debugging interface])
488
      ;;
489
    esac
490
  fi])
491
 
492
if test "${gc_use_mmap}" = "yes"; then
493
  AC_DEFINE(USE_MMAP, 1, [use MMAP instead of sbrk to get new memory])
494
fi
495
 
496
if test -n "$with_cross_host" &&
497
   test x"$with_cross_host" != x"no"; then
498
  toolexecdir='$(exec_prefix)/$(target_noncanonical)'
499
  toolexeclibdir='$(toolexecdir)/lib'
500
else
501
  toolexecdir='$(libdir)/gcc-lib/$(target_noncanonical)'
502
  toolexeclibdir='$(libdir)'
503
fi
504
multi_os_directory=`$CC -print-multi-os-directory`
505
case $multi_os_directory in
506
  .) ;; # Avoid trailing /.
507
  *) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;;
508
esac
509
AC_SUBST(toolexecdir)
510
AC_SUBST(toolexeclibdir)
511
 
512
if test "${multilib}" = "yes"; then
513
  multilib_arg="--enable-multilib"
514
else
515
  multilib_arg=
516
fi
517
 
518
AC_CONFIG_HEADERS([include/gc_config.h include/gc_ext_config.h])
519
 
520
AC_CONFIG_FILES(Makefile include/Makefile testsuite/Makefile threads.mk)
521
AC_OUTPUT

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