1 # Copyright (c) 1999-2001 by Red Hat, Inc. All rights reserved.
3 # THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
4 # OR IMPLIED. ANY USE IS AT YOUR OWN RISK.
6 # Permission is hereby granted to use or copy this program
7 # for any purpose, provided the above notices are retained on all copies.
8 # Permission to modify the code and to distribute modified code is granted,
9 # provided the above notices are retained, and a notice that the code was
10 # modified is included with the above copyright notice.
12 # Original author: Tom Tromey
13 # Modified by: Grzegorz Jakacki <jakacki at acm dot org>
15 dnl Process this file with autoconf to produce configure.
18 AC_INIT([libgc-mono], [6.6], [Hans_Boehm@hp.com])
20 AM_INIT_AUTOMAKE([1.9 no-define foreign])
21 AC_CONFIG_SRCDIR(gcj_mlc.c)
22 AC_CONFIG_MACRO_DIR([m4])
31 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
33 dnl automake 1.6 and later need the AM_PROG_AS macro.
34 ifdef([AM_PROG_AS],[AM_PROG_AS],[])
36 AC_CHECK_TOOL(RANLIB, ranlib, :) # :)
42 . [$]{srcdir}/configure.host
44 # We use a separate variable to pass down CPPFLAGS and CFLAGS from the main mono
45 # configure, because of autoconf brokeness
46 if test "x$CPPFLAGS_FOR_LIBGC" != "x"; then
47 CPPFLAGS=$CPPFLAGS_FOR_LIBGC
49 if test "x$CFLAGS_FOR_LIBGC" != "x"; then
50 CFLAGS=$CFLAGS_FOR_LIBGC
53 GC_CFLAGS=${gc_cflags}
56 case $enable_embed_check in
58 *) AC_MSG_ERROR([This module is now part of 'mono' and cannot be built as a stand-alone module any longer.]) ;;
61 THREADS=$with_libgc_threads
63 AC_ARG_ENABLE(win32-dllmain,
64 [ --enable-win32-dllmain Define the DllMain function in win32_threads.c even if the collector is not built as a dll],
67 AC_ARG_ENABLE(parallel-mark,
68 [ --enable-parallel-mark parallelize marking and free list construction],
71 AC_MSG_ERROR([Parallel mark requires --enable-threads=x spec])
76 AC_ARG_ENABLE(cplusplus,
77 [ --enable-cplusplus install C++ support],
80 AM_CPPFLAGS=-I${srcdir}/include
82 ## Libraries needed to support dynamic loading and/or threads.
89 AC_CHECK_LIB(pthread, pthread_self, THREADDLLIBS="-lpthread",,)
91 x86-*-linux* | ia64-*-linux* | i386-*-linux* | i486-*-linux* | i586-*-linux* | i686-*-linux* | x86_64-*-linux* | alpha*-*-linux* | s390*-*-linux* | sparc*-*-linux* | powerpc-*-linux*)
92 AC_DEFINE(GC_LINUX_THREADS)
94 if test "${enable_parallel_mark}" = yes; then
95 AC_DEFINE(PARALLEL_MARK)
97 AC_DEFINE(THREAD_LOCAL_ALLOC)
99 *-*-linux* | *-*-nacl*)
100 AC_DEFINE(GC_LINUX_THREADS)
101 AC_DEFINE(_REENTRANT)
104 AC_DEFINE(GC_AIX_THREADS)
105 AC_DEFINE(_REENTRANT)
108 AC_DEFINE(GC_HAIKU_THREADS)
109 AC_DEFINE(_REENTRANT)
112 AC_MSG_WARN("Only HP/UX 11 threads are supported.")
113 AC_DEFINE(GC_HPUX_THREADS)
114 AC_DEFINE(_POSIX_C_SOURCE,199506L)
115 if test "${enable_parallel_mark}" = yes; then
116 AC_DEFINE(PARALLEL_MARK)
118 AC_DEFINE(THREAD_LOCAL_ALLOC)
119 THREADDLLIBS="-lpthread -lrt"
122 AC_DEFINE(GC_FREEBSD_THREADS)
123 INCLUDES="$INCLUDES -pthread"
124 THREADDLLIBS=-pthread
125 AC_DEFINE(_REENTRANT)
126 if test "${enable_parallel_mark}" = yes; then
127 AC_DEFINE(PARALLEL_MARK)
129 AC_DEFINE(THREAD_LOCAL_ALLOC)
130 AC_DEFINE(USE_COMPILER_TLS)
133 AC_DEFINE(GC_FREEBSD_THREADS)
134 if test "x$PTHREAD_CFLAGS" != "x"; then
135 AM_CPPFLAGS="$AM_CPPFLAGS $PTHREAD_CFLAGS"
137 if test "x$PTHREAD_LIBS" = "x"; then
138 THREADDLLIBS=-pthread
140 THREADDLLIBS="$PTHREAD_LIBS"
142 AC_DEFINE(THREAD_LOCAL_ALLOC)
145 AC_DEFINE(GC_SOLARIS_THREADS)
146 AC_DEFINE(GC_SOLARIS_PTHREADS)
149 AC_DEFINE(GC_IRIX_THREADS)
152 AC_DEFINE(GC_WIN32_THREADS)
155 AC_DEFINE(GC_DARWIN_THREADS)
156 AC_DEFINE(THREAD_LOCAL_ALLOC)
157 if test "${enable_parallel_mark}" = yes; then
158 AC_DEFINE(PARALLEL_MARK)
162 AC_DEFINE(GC_NETBSD_THREADS)
163 if test "${enable_parallel_mark}" = yes; then
164 AC_DEFINE(PARALLEL_MARK)
166 AC_DEFINE(THREAD_LOCAL_ALLOC)
169 AC_DEFINE(GC_OPENBSD_THREADS)
170 if test "${enable_parallel_mark}" = yes; then
171 AC_DEFINE(PARALLEL_MARK)
173 AC_DEFINE(THREAD_LOCAL_ALLOC)
176 AC_DEFINE(GC_OSF1_THREADS)
177 if test "${enable_parallel_mark}" = yes; then
178 AC_DEFINE(PARALLEL_MARK)
179 AC_DEFINE(THREAD_LOCAL_ALLOC)
180 # May want to enable it in other cases, too.
181 # Measurements havent yet been done.
183 AM_CPPFLAGS="$AM_CPPFLAGS -pthread"
184 THREADDLLIBS="-lpthread -lrt"
187 AC_MSG_ERROR("Pthreads not supported by the GC on this platform.")
192 AC_DEFINE(GC_WIN32_THREADS)
193 dnl Wine getenv may not return NULL for missing entry
195 if test "${enable_win32_dllmain}" = yes; then
196 AC_DEFINE(GC_INSIDE_DLL)
201 AC_MSG_RESULT($THREADDLLIBS)
202 # Use pthread GCC switch
203 THREADDLLIBS=-pthread
204 if test "${enable_parallel_mark}" = yes; then
205 AC_DEFINE(PARALLEL_MARK)
207 AC_DEFINE(THREAD_LOCAL_ALLOC)
208 AC_DEFINE(GC_DGUX386_THREADS)
209 AC_DEFINE(DGUX_THREADS)
210 # Enable _POSIX4A_DRAFT10_SOURCE with flag -pthread
211 AM_CPPFLAGS="-pthread $AM_CPPFLAGS"
215 THREADDLLIBS=-lpthread
216 AC_DEFINE(GC_AIX_THREADS)
217 AC_DEFINE(_REENTRANT)
219 decosf1 | irix | mach | os2 | solaris | dce | vxworks)
220 AC_MSG_ERROR(thread package $THREADS not yet supported)
223 AC_MSG_ERROR($THREADS is an unknown thread package)
226 AC_SUBST(THREADDLLIBS)
233 AM_CONDITIONAL(POWERPC_DARWIN,test x$powerpc_darwin = xtrue)
235 # Check if the GCC builtin __sync_bool_compare_and_swap is available.
236 # It is preferred in gc_locks.h for PPC as GCC 4.4 has a problem with the inline assembly there.
237 AC_MSG_CHECKING(for __sync_bool_compare_and_swap)
239 volatile unsigned int foo = 0;
240 unsigned int r1 = __sync_bool_compare_and_swap(&foo, 0, 1);
244 AC_DEFINE(HAS___SYNC_BOOL_COMPARE_AND_SWAP)
249 AC_MSG_CHECKING(for xlc)
254 ], [compiler_xlc=yes], [compiler_xlc=no])
255 AC_MSG_RESULT($compiler_xlc)
256 AM_CONDITIONAL(COMPILER_XLC,test $compiler_xlc = yes)
257 if test $compiler_xlc = yes -a "$powerpc_darwin" = true; then
258 # the darwin stack-frame-walking code is completely broken on xlc
259 AC_DEFINE(DARWIN_DONT_PARSE_STACK)
262 # We never want libdl on darwin. It is a fake libdl that just ends up making
267 AC_CHECK_LIB(dl, dlopen, THREADDLLIBS="$THREADDLLIBS -ldl")
271 AC_SUBST(EXTRA_TEST_LIBS)
276 dnl If the target is an eCos system, use the appropriate eCos
278 dnl FIXME: this should not be a local option but a global target
279 dnl system; at present there is no eCos target.
282 [ --with-ecos enable runtime eCos target support],
283 TARGET_ECOS="$with_ecos"
291 case "$TARGET_ECOS" in
296 CXXINCLUDES="-I${TARGET_ECOS}/include"
297 addobjs="$addobjs ecos.lo"
301 if test "${enable_cplusplus}" = yes; then
302 addincludes="$addincludes include/gc_cpp.h include/gc_allocator.h"
303 addtests="$addtests test_cpp"
306 AM_CONDITIONAL(CPLUSPLUS, test "${enable_cplusplus}" = yes)
310 AC_SUBST(AM_CPPFLAGS)
311 AC_SUBST(CXXINCLUDES)
313 # Configuration of shared libraries
315 AC_MSG_CHECKING(whether to build shared libraries)
328 # Configuration of machine-dependent code
330 AC_MSG_CHECKING(which machine-dependent code should be used)
334 machdep="alpha_mach_dep.lo"
335 if test x"${ac_cv_lib_dl_dlopen}" != xyes ; then
336 AC_MSG_WARN(OpenBSD/Alpha without dlopen(). Shared library support is disabled)
340 machdep="alpha_mach_dep.lo"
342 i?86-*-solaris2.[[89]] | i?86-*-solaris2.1?)
343 AC_DEFINE(SOLARIS25_PROC_VDB_BUG_FIXED)
346 machdep="mips_ultrix_mach_dep.lo"
347 AC_DEFINE(STACKBASE, __stackbase)
348 AC_DEFINE(DATASTART_IS_ETEXT)
351 machdep="mips_ultrix_mach-dep.lo"
353 mips-nec-sysv*|mips-unknown-sysv*)
358 machdep="mips_sgi_mach_dep.lo"
359 AC_DEFINE(NO_EXECUTE_PERMISSION)
362 machdep="sparc_netbsd_mach_dep.lo"
364 sparc-sun-solaris2.3)
365 machdep="sparc_mach_dep.lo"
366 AC_DEFINE(SUNOS53_SHARED_LIB)
368 sparc*-sun-solaris2.*)
369 machdep="sparc_mach_dep.lo"
372 machdep="mach_dep.lo ia64_save_regs_in_stack.lo"
376 AC_DEFINE(NO_EXECUTE_PERMISSION)
379 if test x"$machdep" = x; then
380 AC_MSG_RESULT($machdep)
381 machdep="mach_dep.lo"
383 addobjs="$addobjs $machdep"
385 # Adding object files directly to _LIBADD breaks -j builds, so we need to add the sources
386 # instead, but _SOURCES can't contain autoconf substitutions, so add them using automake
390 AC_SUBST(addincludes)
394 AM_CONDITIONAL(TARGET_IA64,test x$target_ia64 = xtrue)
397 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
401 # Check for AViiON Machines running DGUX
404 AC_CHECK_HEADER(sys/dg_sys_info.h,
407 ## :GOTCHA: we do not check anything but sys/dg_sys_info.h
408 if test $ac_is_dgux = yes; then
409 if test "$enable_full_debug" = "yes"; then
410 CFLAGS="-g -mstandard -DDGUX -D_DGUX_SOURCE -Di386 -mno-legend -O2"
411 CXXFLAGS="-g -mstandard -DDGUX -D_DGUX_SOURCE -Di386 -mno-legend -O2"
413 CFLAGS="-DDGUX -D_DGUX_SOURCE -Di386 -mno-legend -O2"
414 CXXFLAGS="-DDGUX -D_DGUX_SOURCE -Di386 -mno-legend -O2"
420 dnl We use these options to decide which functions to include.
421 AC_ARG_WITH(target-subdir,
422 [ --with-target-subdir=SUBDIR
423 configuring with a cross compiler])
424 AC_ARG_WITH(cross-host,
425 [ --with-cross-host=HOST configuring with a cross compiler])
427 # automake wants to see AC_EXEEXT. But we don't need it. And having
428 # it is actually a problem, because the compiler we're passed can't
429 # necessarily do a full link. So we fool automake here.
431 # autoconf 2.50 runs AC_EXEEXT by default, and the macro expands
432 # to nothing, so nothing would remain between `then' and `fi' if it
433 # were not for the `:' below.
438 AC_MSG_CHECKING([for threads package to use])
439 AC_MSG_RESULT($THREADS)
441 dnl As of 4.13a2, the collector will not properly work on Solaris when
442 dnl built with gcc and -O. So we remove -O in the appropriate case.
443 dnl Not needed anymore on Solaris.
444 AC_MSG_CHECKING(whether Solaris gcc optimization fix is necessary)
447 if test "$GCC" = yes; then
455 new_CFLAGS="$new_CFLAGS $i"
464 *) AC_MSG_RESULT(no) ;;
467 dnl We need to override the top-level CFLAGS. This is how we do it.
471 dnl Include defines that have become de facto standard.
472 dnl ALL_INTERIOR_POINTERS can be overridden in startup code.
474 AC_DEFINE(NO_SIGNALS)
475 AC_DEFINE(NO_EXECUTE_PERMISSION)
476 dnl AC_DEFINE(ALL_INTERIOR_POINTERS)
478 dnl By default, make the library as general as possible.
479 AC_DEFINE(JAVA_FINALIZATION)
480 AC_DEFINE(GC_GCJ_SUPPORT)
481 AC_DEFINE(ATOMIC_UNCOLLECTABLE)
483 dnl This is something of a hack. When cross-compiling we turn off
484 dnl some functionality. We also enable the "small" configuration.
485 dnl These is only correct when targetting an embedded system. FIXME.
486 if test -n "${with_cross_host}"; then
489 AC_DEFINE(SMALL_CONFIG)
490 AC_DEFINE(NO_DEBUGGING)
494 AC_ARG_ENABLE(full-debug,
495 [ --enable-full-debug include full support for pointer backtracing etc.],
496 [ if test "$enable_full_debug" = "yes"; then
497 AC_MSG_WARN("Should define GC_DEBUG and use debug alloc. in clients.")
498 AC_DEFINE(KEEP_BACK_PTRS)
499 AC_DEFINE(DBG_HDRS_ALL)
502 AC_DEFINE(MAKE_BACK_GRAPH)
503 AC_DEFINE(SAVE_CALL_COUNT, 8)
504 AC_CHECK_LIB(unwind, backtrace, [
505 AC_DEFINE(GC_HAVE_BUILTIN_BACKTRACE)
507 AC_MSG_WARN("Client code may need to link against libunwind.")
510 x86-*-linux* | i586-*-linux* | i686-*-linux* | x86_64-*-linux* )
511 AC_DEFINE(MAKE_BACK_GRAPH)
512 AC_MSG_WARN("Client must not use -fomit-frame-pointer.")
513 AC_DEFINE(SAVE_CALL_COUNT, 8)
516 AC_DEFINE(MAKE_BACK_GRAPH)
523 AC_ARG_ENABLE(redirect-malloc,
524 [ --enable-redirect-malloc redirect malloc and friends to GC routines])
526 if test "${enable_redirect_malloc}" = yes; then
527 if test "${enable_full_debug}" = yes; then
528 AC_DEFINE(REDIRECT_MALLOC, GC_debug_malloc_replacement)
529 AC_DEFINE(REDIRECT_REALLOC, GC_debug_realloc_replacement)
530 AC_DEFINE(REDIRECT_FREE, GC_debug_free)
532 AC_DEFINE(REDIRECT_MALLOC, GC_malloc)
538 AC_ARG_ENABLE(gc-assertions,
539 [ --enable-gc-assertions collector-internal assertion checking])
540 if test "${enable_gc_assertions}" = yes; then
541 AC_DEFINE(GC_ASSERTIONS)
544 AC_ARG_ENABLE(quiet-build, [ --enable-quiet-build Enable quiet libgc build (on by default)], enable_quiet_build=$enableval, enable_quiet_build=yes)
545 AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host")
547 AC_ARG_ENABLE(werror, [ --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
548 if test x$werror_flag = xyes; then
549 WERROR_CFLAGS="-Werror"
551 AC_SUBST([WERROR_CFLAGS])
553 if test "${multilib}" = "yes"; then
554 multilib_arg="--enable-multilib"
562 include/private/Makefile
566 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}