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.
20 AC_INIT(gc,7.1,Hans.Boehm@hp.com)
21 ## version must conform to [0-9]+[.][0-9]+(alpha[0-9]+)?
22 AC_CONFIG_SRCDIR(gcj_mlc.c)
25 AC_REVISION($Revision: 1.35 $)
27 AM_INIT_AUTOMAKE([foreign dist-bzip2 subdir-objects nostdinc])
30 AM_CONFIG_HEADER([include/config.h])
39 ## FIXME: really needed? (AC_LIBTOOL already provides this)
41 AC_CHECK_TOOL(RANLIB, ranlib, :) # :)
46 . ${srcdir}/configure.host
48 GC_CFLAGS=${gc_cflags}
51 AC_ARG_ENABLE(boehm-threads,
52 [AC_HELP_STRING([--enable-boehm-threads=TYPE], [choose threading package])],
54 [ AC_MSG_CHECKING([for thread model used by GCC])
55 THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
56 if test -z "$THREADS"; then
59 AC_MSG_RESULT([$THREADS]) ])
61 AC_ARG_ENABLE(parallel-mark,
62 [AC_HELP_STRING([--enable-parallel-mark],
63 [parallelize marking and free list construction])],
66 AC_MSG_ERROR([Parallel mark requires --enable-threads=x spec])
71 AC_ARG_ENABLE(cplusplus,
72 [AC_HELP_STRING([--enable-cplusplus], [install C++ support])])
74 INCLUDES=-I${srcdir}/include
76 need_atomic_ops_asm=false
77 ## Libraries needed to support dynamic loading and/or threads.
84 THREADDLLIBS=-lpthread
86 x86-*-linux* | ia64-*-linux* | i586-*-linux* | i686-*-linux* | x86_64-*-linux* | alpha-*-linux*)
87 AC_DEFINE([GC_LINUX_THREADS], 1, [gc linux threads])
88 AC_DEFINE([_REENTRANT], 1, [reentrant])
89 if test "${enable_parallel_mark}" = yes; then
90 AC_DEFINE([PARALLEL_MARK], 1, [parallel mark])
92 AC_DEFINE([THREAD_LOCAL_ALLOC], 1, [thread local alloc])
93 AC_MSG_WARN("Explict GC_INIT() calls may be required.");
96 AC_DEFINE([GC_LINUX_THREADS], 1, [gc linux threads])
97 AC_DEFINE([_REENTRANT], 1, [reentrant])
100 AC_DEFINE([GC_AIX_THREADS], 1, [gc aix threads])
101 AC_DEFINE([_REENTRANT], 1, [reentrant])
104 AC_MSG_WARN("Only HP/UX 11 POSIX threads are supported.")
105 AC_DEFINE([GC_HPUX_THREADS], 1, [gc hpux threads])
106 AC_DEFINE([_POSIX_C_SOURCE], 199506L, [posix c source])
107 if test "${enable_parallel_mark}" = yes; then
108 AC_DEFINE([PARALLEL_MARK], 1, [parallel mark])
110 AC_DEFINE([THREAD_LOCAL_ALLOC], 1, [thread local alloc])
111 AC_MSG_WARN("Explict GC_INIT() calls may be required.");
112 THREADDLLIBS="-lpthread -lrt"
113 # HPUX needs REENTRANT for the _r calls.
114 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
117 AC_MSG_WARN("Only HP-UX 11 POSIX threads are supported.")
120 AC_MSG_WARN("FreeBSD does not yet fully support threads with Boehm GC.")
121 AC_DEFINE([GC_FREEBSD_THREADS], 1, [gc freebsd threads])
122 INCLUDES="$INCLUDES -pthread"
125 AC_DEFINE([GC_FREEBSD_THREADS], 1, [gc freebsd threads])
126 INCLUDES="$INCLUDES -pthread"
127 THREADDLLIBS=-pthread
128 AC_DEFINE([_REENTRANT], 1, [reentrant])
129 if test "${enable_parallel_mark}" = yes; then
130 AC_DEFINE([PARALLEL_MARK], 1, [parallel mark])
132 AC_DEFINE([THREAD_LOCAL_ALLOC], 1, [thread local alloc])
133 AC_DEFINE([USE_COMPILER_TLS], 1, [use compiler tls])
136 AC_DEFINE([GC_GNU_THREADS], 1, [GC GNU threads])
137 AC_DEFINE(_REENTRANT)
138 AC_DEFINE(THREAD_LOCAL_ALLOC)
141 AC_MSG_WARN("Only on NetBSD 2.0 or later.")
142 AC_DEFINE([GC_NETBSD_THREADS], 1, [GC NetBSD threads])
143 AC_DEFINE([_REENTRANT], 1, [reentrant])
144 AC_DEFINE([_PTHREADS], 1, [pthreads])
145 THREADDLLIBS="-lpthread -lrt"
148 AC_DEFINE([GC_SOLARIS_THREADS], 1, [gc solaris threads])
149 AC_DEFINE([THREAD_LOCAL_ALLOC], 1, [thread local alloc])
150 THREADDLLIBS="-lpthread -lrt"
151 if test "$GCC" != yes; then
153 need_atomic_ops_asm=true
157 AC_DEFINE([GC_IRIX_THREADS], 1, [gc irix threads])
160 AC_DEFINE([GC_WIN32_THREADS], 1, [gc win32 threads])
161 AC_DEFINE([THREAD_LOCAL_ALLOC], 1, [thread local alloc])
165 AC_DEFINE([GC_DARWIN_THREADS], 1, [gc darwin threads])
166 AC_DEFINE([THREAD_LOCAL_ALLOC], 1, [thread local alloc])
167 AC_MSG_WARN("Explict GC_INIT() calls may be required.");
168 # Parallel-mark is currently unreliable on Darwin; ignore request
169 # if test "${enable_parallel_mark}" = yes; then
170 # AC_DEFINE(PARALLEL_MARK)
175 AC_DEFINE([GC_OSF1_THREADS], 1, [gc osf1 threads])
176 if test "${enable_parallel_mark}" = yes; then
177 AC_DEFINE([PARALLEL_MARK], 1, [parallel mark])
178 AC_DEFINE([THREAD_LOCAL_ALLOC], 1, [thread local alloc])
179 AC_MSG_WARN("Explict GC_INIT() calls may be required.");
180 # May want to enable it in other cases, too.
181 # Measurements havent yet been done.
183 INCLUDES="$INCLUDES -pthread"
184 THREADDLLIBS="-lpthread -lrt"
187 AC_MSG_ERROR("Pthreads not supported by the GC on this platform.")
192 AC_DEFINE([GC_WIN32_THREADS], 1, [gc win32 threads])
193 dnl Wine getenv may not return NULL for missing entry
194 AC_DEFINE([NO_GETENV], 1, [no getenv])
198 AC_MSG_RESULT($THREADDLLIBS)
199 # Use pthread GCC switch
200 THREADDLLIBS=-pthread
201 if test "${enable_parallel_mark}" = yes; then
202 AC_DEFINE([PARALLEL_MARK], 1, [parallel mark])
204 AC_DEFINE([THREAD_LOCAL_ALLOC], 1, [thread local alloc])
205 AC_MSG_WARN("Explict GC_INIT() calls may be required.");
206 AC_DEFINE([GC_DGUX386_THREADS], 1, [gc dgux386 threads])
207 AC_DEFINE([DGUX_THREADS], 1, [dgux threads])
208 # Enable _POSIX4A_DRAFT10_SOURCE with flag -pthread
209 INCLUDES="-pthread $INCLUDES"
213 THREADDLLIBS=-lpthread
214 AC_DEFINE([GC_AIX_THREADS], 1, [gc aix threads])
215 AC_DEFINE([_REENTRANT], 1, [reentrant])
217 decosf1 | irix | mach | os2 | solaris | dce | vxworks)
218 AC_MSG_ERROR(thread package $THREADS not yet supported)
221 AC_MSG_ERROR($THREADS is an unknown thread package)
224 AC_SUBST(THREADDLLIBS)
225 AM_CONDITIONAL(THREADS, test x$THREADS != xnone)
226 AM_CONDITIONAL(PTHREADS, test x$THREADS = xposix)
227 AM_CONDITIONAL(DARWIN_THREADS, test x$darwin_threads = xtrue)
228 AM_CONDITIONAL(WIN32_THREADS, test x$win32_threads = xtrue)
233 dnl CACAO: disable this for now
234 AC_DEFINE([DARWIN_DONT_PARSE_STACK], 1, [don't use FindTopOfStack])
238 # Darwin needs a few extra special tests to deal with variation in the
242 AC_CHECK_MEMBER(ppc_thread_state_t.r0,
243 AC_DEFINE(HAS_PPC_THREAD_STATE_R0,1,
244 [ppc_thread_state_t has field r0]),,
245 [#include <mach/thread_status.h>])
246 AC_CHECK_MEMBER(ppc_thread_state_t.__r0,
247 AC_DEFINE(HAS_PPC_THREAD_STATE___R0,1,dnl
248 [ppc_thread_state_t has field __r0]),,
249 [#include <mach/thread_status.h>])
250 AC_CHECK_MEMBER(ppc_thread_state64_t.r0,
251 AC_DEFINE(HAS_PPC_THREAD_STATE64_R0,1,dnl
252 [ppc_thread_state64_t has field r0]),,
253 [#include <mach/thread_status.h>])
254 AC_CHECK_MEMBER(ppc_thread_state64_t.__r0,
255 AC_DEFINE(HAS_PPC_THREAD_STATE64___R0,1,dnl
256 [ppc_thread_state64_t has field __r0]),,
257 [#include <mach/thread_status.h>])
260 AC_CHECK_MEMBER(x86_thread_state32_t.eax,
261 AC_DEFINE(HAS_X86_THREAD_STATE32_EAX,1,dnl
262 [x86_thread_state32_t has field eax]),,
263 [#include <sys/cdefs.h>
264 #include <mach/thread_status.h>])
265 AC_CHECK_MEMBER(x86_thread_state32_t.__eax,
266 AC_DEFINE(HAS_X86_THREAD_STATE32___EAX,1,dnl
267 [x86_thread_state32_t has field __eax]),,
268 [#include <sys/cdefs.h>
269 #include <mach/thread_status.h>])
272 AC_CHECK_MEMBER(x86_thread_state64_t.rax,
273 AC_DEFINE(HAS_X86_THREAD_STATE64_RAX,1,dnl
274 [x86_thread_state64_t has field rax]),,
275 [#include <sys/cdefs.h>
276 #include <mach/thread_status.h>])
277 AC_CHECK_MEMBER(x86_thread_state64_t.__rax,
278 AC_DEFINE(HAS_X86_THREAD_STATE64___RAX,1,dnl
279 [x86_thread_state64_t has field __rax]),,
280 [#include <sys/cdefs.h>
281 #include <mach/thread_status.h>])
286 AC_MSG_CHECKING(for xlc)
291 ], [compiler_xlc=yes], [compiler_xlc=no])
292 AC_MSG_RESULT($compiler_xlc)
293 AM_CONDITIONAL(COMPILER_XLC,test $compiler_xlc = yes)
294 if test $compiler_xlc = yes -a "$powerpc_darwin" = true; then
295 # the darwin stack-frame-walking code is completely broken on xlc
296 AC_DEFINE(DARWIN_DONT_PARSE_STACK)
299 # We never want libdl on darwin. It is a fake libdl that just ends up making
304 AC_CHECK_LIB(dl, dlopen, THREADDLLIBS="$THREADDLLIBS -ldl")
315 AM_CONDITIONAL(AVOID_CPP_LIB,test $avoid_cpp_lib = yes)
317 # extra LD Flags which are required for targets
320 extra_ldflags_libgc=-Wl,-single_module
323 AC_SUBST(extra_ldflags_libgc)
325 AC_SUBST(EXTRA_TEST_LIBS)
330 dnl If the target is an eCos system, use the appropriate eCos
332 dnl FIXME: this should not be a local option but a global target
333 dnl system; at present there is no eCos target.
336 [ --with-ecos enable runtime eCos target support],
337 TARGET_ECOS="$with_ecos"
343 case "$TARGET_ECOS" in
347 AC_DEFINE([ECOS], 1, [ecos])
348 CXXINCLUDES="-I${TARGET_ECOS}/include"
349 addobjs="$addobjs ecos.lo"
353 AM_CONDITIONAL(CPLUSPLUS, test "${enable_cplusplus}" = yes)
358 AC_SUBST(CXXINCLUDES)
360 # Configuration of shared libraries
362 AC_MSG_CHECKING(whether to build shared libraries)
373 AC_MSG_RESULT($enable_shared)
375 # Configuration of machine-dependent code
377 AC_MSG_CHECKING(which machine-dependent code should be used)
381 machdep="mach_dep.lo"
382 if test x"${ac_cv_lib_dl_dlopen}" != xyes ; then
383 AC_MSG_WARN(OpenBSD/Alpha without dlopen(). Shared library support is disabled)
387 machdep="mach_dep.lo"
389 i?86-*-solaris2.[[89]] | i?86-*-solaris2.1?)
390 AC_DEFINE([SOLARIS25_PROC_VDB_BUG_FIXED], 1, [solaris 2.5 proc vdb bug fixed])
393 machdep="mach_dep.lo"
394 AC_DEFINE([STACKBASE], __stackbase, [stackbase])
395 AC_DEFINE([DATASTART_IS_ETEXT], 1, [datastart is etext])
398 machdep="mach-dep.lo"
400 mips-nec-sysv*|mips-unknown-sysv*)
405 machdep="mach_dep.lo"
406 AC_DEFINE([NO_EXECUTE_PERMISSION], 1, [no execute permission])
407 dnl This is now redundant, but it is also important for incremental GC
408 dnl performance under Irix.
411 machdep="mach_dep.lo sparc_netbsd_mach_dep.lo"
413 sparc-sun-solaris2.3)
414 machdep="mach_dep.lo sparc_mach_dep.lo"
415 AC_DEFINE([SUNOS53_SHARED_LIB], 1, [sun os 5.3 shared lib])
417 sparc*-sun-solaris2.*)
418 machdep="mach_dep.lo sparc_mach_dep.lo"
421 machdep="mach_dep.lo ia64_save_regs_in_stack.lo"
424 if test x"$machdep" = x; then
425 AC_MSG_RESULT($machdep)
426 machdep="mach_dep.lo"
428 addobjs="$addobjs $machdep"
435 # Check for AViiON Machines running DGUX
438 AC_CHECK_HEADER(sys/dg_sys_info.h,
441 ## :GOTCHA: we do not check anything but sys/dg_sys_info.h
442 if test $ac_is_dgux = yes; then
443 if test "$enable_full_debug" = "yes"; then
444 CFLAGS="-g -mstandard -DDGUX -D_DGUX_SOURCE -Di386 -mno-legend -O2"
445 CXXFLAGS="-g -mstandard -DDGUX -D_DGUX_SOURCE -Di386 -mno-legend -O2"
447 CFLAGS="-DDGUX -D_DGUX_SOURCE -Di386 -mno-legend -O2"
448 CXXFLAGS="-DDGUX -D_DGUX_SOURCE -Di386 -mno-legend -O2"
454 dnl We use these options to decide which functions to include.
455 AC_ARG_WITH(target-subdir,
456 [ --with-target-subdir=SUBDIR
457 configuring with a cross compiler])
458 AC_ARG_WITH(cross-host,
459 [ --with-cross-host=HOST configuring with a cross compiler])
461 # automake wants to see AC_EXEEXT. But we don't need it. And having
462 # it is actually a problem, because the compiler we're passed can't
463 # necessarily do a full link. So we fool automake here.
465 # autoconf 2.50 runs AC_EXEEXT by default, and the macro expands
466 # to nothing, so nothing would remain between `then' and `fi' if it
467 # were not for the `:' below.
472 dnl As of 4.13a2, the collector will not properly work on Solaris when
473 dnl built with gcc and -O. So we remove -O in the appropriate case.
474 dnl Not needed anymore on Solaris.
475 AC_MSG_CHECKING(whether Solaris gcc optimization fix is necessary)
478 if test "$GCC" = yes; then
486 new_CFLAGS="$new_CFLAGS $i"
495 *) AC_MSG_RESULT(no) ;;
498 dnl Include defines that have become de facto standard.
499 dnl ALL_INTERIOR_POINTERS can be overridden in startup code.
500 AC_DEFINE([NO_EXECUTE_PERMISSION], 1, [no exceute permission])
501 AC_DEFINE([ALL_INTERIOR_POINTERS], 1, [all interior pointers])
504 dnl Interface Selection
505 dnl -------------------
507 dnl By default, make the library as general as possible.
508 dnl enable_gcj_support=no
509 AC_ARG_ENABLE(gcj-support,
510 [AC_HELP_STRING([--disable-gcj-support],
511 [Disable support for gcj.])])
512 AM_CONDITIONAL(ENABLE_GCJ_SUPPORT,
513 [test x"$enable_gcj_support" != xno])
514 if test x"$enable_gcj_support" != xno; then
515 AC_DEFINE(GC_GCJ_SUPPORT, 1, [Define to include support for gcj])
518 AC_ARG_ENABLE(java-finalization,
519 [AC_HELP_STRING([--disable-java-finalization],
520 [Disable support for java finalization.])])
521 if test x"$enable_java_finalization" != xno; then
522 AC_DEFINE([JAVA_FINALIZATION], 1, [java finalization])
525 AC_ARG_ENABLE(atomic-uncollectable,
526 [AC_HELP_STRING([--disable-atomic-uncollectible],
527 [Disable support for atomic uncollectible allocation.])])
528 if test x"$enable_atomic_uncollectible" != x"no"; then
529 AC_DEFINE(ATOMIC_UNCOLLECTABLE, 1,
530 [Define to enable atomic uncollectible allocation.])
533 AC_ARG_ENABLE(redirect-malloc,
534 [AC_HELP_STRING([--enable-redirect-malloc],
535 [Redirect malloc and friends to GC routines])])
537 if test "${enable_redirect_malloc}" = yes; then
538 if test "${enable_full_debug}" = yes; then
539 AC_DEFINE([REDIRECT_MALLOC], GC_debug_malloc_replacement, [redirect malloc])
540 AC_DEFINE([REDIRECT_REALLOC], GC_debug_realloc_replacement, [redirect realloc])
541 AC_DEFINE([REDIRECT_FREE], GC_debug_free, [redirect free])
543 AC_DEFINE([REDIRECT_MALLOC], GC_malloc, [redirect malloc])
545 AC_DEFINE([GC_USE_DLOPEN_WRAP], 1, [gc use dlopen wrap])
548 AC_ARG_ENABLE(large-config,
549 [AC_HELP_STRING([--enable-large-config],
550 [Optimize for large (> 100 MB) heap or root set])])
552 if test "${enable_large_config}" = yes; then
553 AC_DEFINE(LARGE_CONFIG, 1, [Define to optimize for large heaps or root sets])
556 dnl This is something of a hack. When cross-compiling we turn off
557 dnl some functionality. We also enable the "small" configuration.
558 dnl These is only correct when targetting an embedded system. FIXME.
559 if test -n "${with_cross_host}"; then
560 AC_DEFINE([NO_CLOCK], 1, [no clock])
561 AC_DEFINE([SMALL_CONFIG], 1, [small config])
562 AC_DEFINE([NO_DEBUGGING], 1, [no debugging])
570 AC_ARG_ENABLE(gc-debug,
571 [AC_HELP_STRING([--enable-gc-debug],
572 [include full support for pointer backtracing etc.])],
573 [ if test "$enable_gc_debug" = "yes"; then
574 AC_MSG_WARN("Should define GC_DEBUG and use debug alloc. in clients.")
575 AC_DEFINE([KEEP_BACK_PTRS], 1, [keep back ptrs])
576 AC_DEFINE([DBG_HDRS_ALL], 1, [dbg hdrs all])
579 AC_DEFINE([MAKE_BACK_GRAPH], 1, [make back graph])
580 AC_DEFINE([SAVE_CALL_COUNT], 8, [save call count])
581 AC_CHECK_LIB(unwind, backtrace, [
582 AC_DEFINE([GC_HAVE_BUILTIN_BACKTRACE], 1, [have builtin backtrace])
584 AC_MSG_WARN("Client code may need to link against libunwind.")
587 x86-*-linux* | i586-*-linux* | i686-*-linux* | x86_64-*-linux* )
588 AC_DEFINE([MAKE_BACK_GRAPH], 1, [make back graph])
589 AC_MSG_WARN("Client must not use -fomit-frame-pointer.")
590 AC_DEFINE([SAVE_CALL_COUNT], 8, [save call count])
593 AC_DEFINE([MAKE_BACK_GRAPH], 1, [make back graph])
600 AC_ARG_ENABLE(gc-assertions,
601 [AC_HELP_STRING([--enable-gc-assertions],
602 [collector-internal assertion checking])])
603 if test "${enable_gc_assertions}" = yes; then
604 AC_DEFINE([GC_ASSERTIONS], 1, [gc assertions])
607 AC_ARG_ENABLE(munmap,
608 [AC_HELP_STRING([--enable-munmap=N],
609 [return page to the os if empty for N collections])],
610 MUNMAP_THRESHOLD=$enableval;
613 AC_MSG_ERROR([--enable-munmap requires --enable-mmap])
617 if test "${enable_munmap}" != ""; then
618 AC_DEFINE([USE_MMAP], 1, [use mmap])
619 AC_DEFINE([USE_MUNMAP], 1, [ use munmap])
620 if test "${MUNMAP_THRESHOLD}" = "yes"; then
623 AC_DEFINE_UNQUOTED([MUNMAP_THRESHOLD], ${MUNMAP_THRESHOLD}, [munmap threshold])
626 AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host")
632 atomic_ops_libs=-latomic_ops
633 AC_CHECK_HEADER(atomic_ops.h,
634 [ AC_MSG_NOTICE([Using pre-installed libatomic_ops]) ],
636 for candidate in ${srcdir}/libatomic_ops*; do
641 dnl generated by alternate Makefile.
644 if test -e "$candidate"; then
650 if test -z "$ao_dir"; then
651 AC_MSG_ERROR([Missig libatomic_ops.])
653 ao_version="${ao_dir#*libatomic_ops-}"
654 AC_MSG_NOTICE([Using internal version of libatomic_ops])
656 dnl Automake does not accept shell variables in AC_CONFIG_SUBDIRS
657 test -e libatomic_ops \
658 || ln -s ${ao_dir} libatomic_ops
659 AC_CONFIG_SUBDIRS(libatomic_ops)
661 dnl Also copy the source files to be linked in.
662 test -e atomic_ops.c \
663 || ln -s libatomic_ops/src/atomic_ops.c \
666 test -e atomic_ops_sysdeps.S \
667 || ln -s libatomic_ops/src/atomic_ops_sysdeps.S \
670 dnl This gets the source include files, which is often close enough.
671 dnl It also makes atomic_ops_sysdeps.S assemble.
672 GC_CFLAGS="${GC_CFLAGS} -I libatomic_ops/src"
673 maybe_libatomic_ops="libatomic_ops"
676 AM_CONDITIONAL(USE_INTERNAL_LIBATOMIC_OPS,
677 test -n "$maybe_libatomic_ops" -a "$THREADS" != "none")
678 AM_CONDITIONAL(NEED_ATOMIC_OPS_ASM, test -n "$maybe_libatomic_ops" -a x$need_atomic_ops_asm = xtrue)
679 AC_SUBST(atomic_ops_libs)
681 dnl Produce the Files
682 dnl -----------------
684 AC_CONFIG_FILES([Makefile bdw-gc.pc])
686 AC_CONFIG_COMMANDS([default],,
689 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}