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,6.8,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: 5268 $)
29 AM_CONFIG_HEADER([include/config.h])
37 dnl temporary set the CFLAGS for configure tests (e.g. inline keyword)
38 dnl we set it properly later in this file
39 CFLAGS="$ARCH_CFLAGS $OPT_CFLAGS"
44 AC_CHECK_TOOL(RANLIB, ranlib, :) # :)
51 . [$]{srcdir}/configure.host
53 GC_CFLAGS=${gc_cflags}
56 AC_ARG_ENABLE(boehm-threads, [ --enable-boehm-threads=TYPE choose threading package],
58 [ AC_MSG_CHECKING([for thread model used by GCC])
59 THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
60 if test -z "$THREADS"; then
63 AC_MSG_RESULT([$THREADS])])
65 AC_ARG_ENABLE(parallel-mark,
66 [ --enable-parallel-mark parallelize marking and free list construction],
69 AC_MSG_ERROR([Parallel mark requires --enable-threads=x spec])
74 AC_ARG_ENABLE(cplusplus,
75 [ --enable-cplusplus install C++ support],
78 INCLUDES=-I${srcdir}/include
80 ## Libraries needed to support dynamic loading and/or threads.
87 THREADDLLIBS=-lpthread
89 x86-*-linux* | ia64-*-linux* | i586-*-linux* | i686-*-linux* | x86_64-*-linux* | alpha-*-linux*)
90 AC_DEFINE([GC_LINUX_THREADS], 1, [gc linux threads])
91 AC_DEFINE([_REENTRANT], 1, [reentrant])
92 if test "${enable_parallel_mark}" = yes; then
93 AC_DEFINE([PARALLEL_MARK], 1, [parallel mark])
95 AC_DEFINE([THREAD_LOCAL_ALLOC], 1, [thread local alloc])
98 AC_DEFINE([GC_LINUX_THREADS], 1, [gc linux threads])
99 AC_DEFINE([_REENTRANT], 1, [reentrant])
102 AC_DEFINE([GC_AIX_THREADS], 1, [gc aix threads])
103 AC_DEFINE([_REENTRANT], 1, [reentrant])
106 AC_MSG_WARN("Only HP/UX 11 POSIX threads are supported.")
107 AC_DEFINE([GC_HPUX_THREADS], 1, [gc hpux threads])
108 AC_DEFINE([_POSIX_C_SOURCE], 199506L, [posix c source])
109 if test "${enable_parallel_mark}" = yes; then
110 AC_DEFINE([PARALLEL_MARK], 1, [parallel mark])
112 AC_DEFINE([THREAD_LOCAL_ALLOC], 1, [thread local alloc])
113 THREADDLLIBS="-lpthread -lrt"
114 # HPUX needs REENTRANT for the _r calls.
115 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
118 AC_MSG_WARN("Only HP-UX 11 POSIX threads are supported.")
121 AC_MSG_WARN("FreeBSD does not yet fully support threads with Boehm GC.")
122 AC_DEFINE([GC_FREEBSD_THREADS], 1, [gc freebsd threads])
123 INCLUDES="$INCLUDES -pthread"
124 THREADDLLIBS=-pthread
127 AC_DEFINE([GC_FREEBSD_THREADS], 1, [gc freebsd threads])
128 INCLUDES="$INCLUDES -pthread"
129 THREADDLLIBS=-pthread
130 AC_DEFINE([_REENTRANT], 1, [reentrant])
131 if test "${enable_parallel_mark}" = yes; then
132 AC_DEFINE([PARALLEL_MARK], 1, [parallel mark])
134 AC_DEFINE([THREAD_LOCAL_ALLOC], 1, [thread local alloc])
135 AC_DEFINE([USE_COMPILER_TLS], 1, [use compiler tls])
138 AC_MSG_WARN("Only on NetBSD 2.0 or later.")
139 AC_DEFINE([GC_NETBSD_THREADS], 1, [GC NetBSD threads])
140 AC_DEFINE([_REENTRANT], 1, [reentrant])
141 AC_DEFINE([_PTHREADS], 1, [pthreads])
142 THREADDLLIBS="-lpthread -lrt"
145 AC_DEFINE([GC_SOLARIS_THREADS], 1, [gc solaris threads])
146 AC_DEFINE([GC_SOLARIS_PTHREADS], 1, [gc solaris pthreads])
149 AC_DEFINE([GC_IRIX_THREADS], 1, [gc irix threads])
152 AC_DEFINE([GC_WIN32_THREADS], 1, [gc win32 threads])
155 AC_DEFINE([GC_DARWIN_THREADS], 1, [gc darwin threads])
156 AC_DEFINE([THREAD_LOCAL_ALLOC], 1, [thread local alloc])
157 if test "${enable_parallel_mark}" = yes; then
158 AC_DEFINE([PARALLEL_MARK], 1, [parallel mark])
162 AC_DEFINE([GC_OSF1_THREADS], 1, [gc osf1 threads])
163 if test "${enable_parallel_mark}" = yes; then
164 AC_DEFINE([PARALLEL_MARK], 1, [parallel mark])
165 AC_DEFINE([THREAD_LOCAL_ALLOC], 1, [thread local alloc])
166 # May want to enable it in other cases, too.
167 # Measurements havent yet been done.
169 INCLUDES="$INCLUDES -pthread"
170 THREADDLLIBS="-lpthread -lrt"
173 AC_MSG_ERROR("Pthreads not supported by the GC on this platform.")
178 AC_DEFINE([GC_WIN32_THREADS], 1, [gc win32 threads])
179 dnl Wine getenv may not return NULL for missing entry
180 AC_DEFINE([NO_GETENV], 1, [no getenv])
184 AC_MSG_RESULT($THREADDLLIBS)
185 # Use pthread GCC switch
186 THREADDLLIBS=-pthread
187 if test "${enable_parallel_mark}" = yes; then
188 AC_DEFINE([PARALLEL_MARK], 1, [parallel mark])
190 AC_DEFINE([THREAD_LOCAL_ALLOC], 1, [thread local alloc])
191 AC_DEFINE([GC_DGUX386_THREADS], 1, [gc dgux386 threads])
192 AC_DEFINE([DGUX_THREADS], 1, [dgux threads])
193 # Enable _POSIX4A_DRAFT10_SOURCE with flag -pthread
194 INCLUDES="-pthread $INCLUDES"
198 THREADDLLIBS=-lpthread
199 AC_DEFINE([GC_AIX_THREADS], 1, [gc aix threads])
200 AC_DEFINE([_REENTRANT], 1, [reentrant])
202 decosf1 | irix | mach | os2 | solaris | dce | vxworks)
203 AC_MSG_ERROR(thread package $THREADS not yet supported)
206 AC_MSG_ERROR($THREADS is an unknown thread package)
209 AC_SUBST(THREADDLLIBS)
214 dnl CACAO: disable this for now
215 AC_DEFINE([DARWIN_DONT_PARSE_STACK], 1, [don't use FindTopOfStack])
218 AM_CONDITIONAL(POWERPC_DARWIN,test x$powerpc_darwin = xtrue)
220 AC_MSG_CHECKING(for xlc)
225 ], [compiler_xlc=yes], [compiler_xlc=no])
226 AC_MSG_RESULT($compiler_xlc)
227 AM_CONDITIONAL(COMPILER_XLC,test $compiler_xlc = yes)
228 if test $compiler_xlc = yes -a "$powerpc_darwin" = true; then
229 # the darwin stack-frame-walking code is completely broken on xlc
230 AC_DEFINE(DARWIN_DONT_PARSE_STACK)
233 # We never want libdl on darwin. It is a fake libdl that just ends up making
238 AC_CHECK_LIB(dl, dlopen, THREADDLLIBS="$THREADDLLIBS -ldl")
242 AC_SUBST(EXTRA_TEST_LIBS)
247 dnl If the target is an eCos system, use the appropriate eCos
249 dnl FIXME: this should not be a local option but a global target
250 dnl system; at present there is no eCos target.
253 [ --with-ecos enable runtime eCos target support],
254 TARGET_ECOS="$with_ecos"
262 case "$TARGET_ECOS" in
266 AC_DEFINE([ECOS], 1, [ecos])
267 CXXINCLUDES="-I${TARGET_ECOS}/include"
268 addobjs="$addobjs ecos.lo"
272 if test "${enable_cplusplus}" = yes; then
273 addincludes="$addincludes include/gc_cpp.h include/gc_allocator.h"
274 addtests="$addtests test_cpp"
277 AM_CONDITIONAL(CPLUSPLUS, test "${enable_cplusplus}" = yes)
282 AC_SUBST(CXXINCLUDES)
284 # Configuration of shared libraries
286 AC_MSG_CHECKING(whether to build shared libraries)
299 # Configuration of machine-dependent code
301 AC_MSG_CHECKING(which machine-dependent code should be used)
305 machdep="alpha_mach_dep.lo"
306 if test x"${ac_cv_lib_dl_dlopen}" != xyes ; then
307 AC_MSG_WARN(OpenBSD/Alpha without dlopen(). Shared library support is disabled)
311 machdep="alpha_mach_dep.lo"
313 i?86-*-solaris2.[[89]] | i?86-*-solaris2.1?)
314 AC_DEFINE([SOLARIS25_PROC_VDB_BUG_FIXED], 1, [solaris 2.5 proc vdb bug fixed])
317 machdep="mips_ultrix_mach_dep.lo"
318 AC_DEFINE([STACKBASE], __stackbase, [stackbase])
319 AC_DEFINE([DATASTART_IS_ETEXT], 1, [datastart is etext])
322 machdep="mips_ultrix_mach-dep.lo"
324 mips-nec-sysv*|mips-unknown-sysv*)
329 machdep="mips_sgi_mach_dep.lo"
330 AC_DEFINE([NO_EXECUTE_PERMISSION], 1, [no execute permission])
333 machdep="sparc_netbsd_mach_dep.lo"
335 sparc-sun-solaris2.3)
336 machdep="sparc_mach_dep.lo"
337 AC_DEFINE([SUNOS53_SHARED_LIB], 1, [sun os 5.3 shared lib])
339 sparc*-sun-solaris2.*)
340 machdep="sparc_mach_dep.lo"
343 machdep="mach_dep.lo ia64_save_regs_in_stack.lo"
346 if test x"$machdep" = x; then
347 AC_MSG_RESULT($machdep)
348 machdep="mach_dep.lo"
350 addobjs="$addobjs $machdep"
352 AC_SUBST(addincludes)
359 # Check for AViiON Machines running DGUX
362 AC_CHECK_HEADER(sys/dg_sys_info.h,
365 ## :GOTCHA: we do not check anything but sys/dg_sys_info.h
366 if test $ac_is_dgux = yes; then
367 if test "$enable_full_debug" = "yes"; then
368 CFLAGS="-g -mstandard -DDGUX -D_DGUX_SOURCE -Di386 -mno-legend -O2"
369 CXXFLAGS="-g -mstandard -DDGUX -D_DGUX_SOURCE -Di386 -mno-legend -O2"
371 CFLAGS="-DDGUX -D_DGUX_SOURCE -Di386 -mno-legend -O2"
372 CXXFLAGS="-DDGUX -D_DGUX_SOURCE -Di386 -mno-legend -O2"
378 dnl We use these options to decide which functions to include.
379 AC_ARG_WITH(target-subdir,
380 [ --with-target-subdir=SUBDIR
381 configuring with a cross compiler])
382 AC_ARG_WITH(cross-host,
383 [ --with-cross-host=HOST configuring with a cross compiler])
385 # automake wants to see AC_EXEEXT. But we don't need it. And having
386 # it is actually a problem, because the compiler we're passed can't
387 # necessarily do a full link. So we fool automake here.
389 # autoconf 2.50 runs AC_EXEEXT by default, and the macro expands
390 # to nothing, so nothing would remain between `then' and `fi' if it
391 # were not for the `:' below.
396 dnl As of 4.13a2, the collector will not properly work on Solaris when
397 dnl built with gcc and -O. So we remove -O in the appropriate case.
398 dnl Not needed anymore on Solaris.
399 AC_MSG_CHECKING(whether Solaris gcc optimization fix is necessary)
402 if test "$GCC" = yes; then
410 new_CFLAGS="$new_CFLAGS $i"
419 *) AC_MSG_RESULT(no) ;;
422 dnl We need to override the top-level CFLAGS. This is how we do it.
423 dnl MY_CFLAGS="$CFLAGS"
424 dnl AC_SUBST(MY_CFLAGS)
426 dnl pass CFLAGS to Makefiles via AM_CFLAGS
428 AM_CFLAGS=$ARCH_CFLAGS
431 dnl Include defines that have become de facto standard.
432 dnl ALL_INTERIOR_POINTERS can be overridden in startup code.
433 AC_DEFINE([SILENT], 1, [silent])
434 AC_DEFINE([NO_SIGNALS], 1, [no signals])
435 AC_DEFINE([NO_EXECUTE_PERMISSION], 1, [no exceute permission])
436 AC_DEFINE([ALL_INTERIOR_POINTERS], 1, [all interior pointers])
438 dnl By default, make the library as general as possible.
439 AC_DEFINE([JAVA_FINALIZATION], 1, [java finalization])
440 AC_DEFINE([GC_GCJ_SUPPORT], 1, [gc gcj support])
441 AC_DEFINE([ATOMIC_UNCOLLECTABLE], 1, [atomic uncollectable])
443 dnl This is something of a hack. When cross-compiling we turn off
444 dnl some functionality. We also enable the "small" configuration.
445 dnl These is only correct when targetting an embedded system. FIXME.
446 if test -n "${with_cross_host}"; then
447 AC_DEFINE([NO_SIGSET], 1, [no sigset])
448 AC_DEFINE([NO_CLOCK], 1, [no clock])
449 AC_DEFINE([SMALL_CONFIG], 1, [small config])
450 AC_DEFINE([NO_DEBUGGING], 1, [no debugging])
454 AC_ARG_ENABLE(full-debug,
455 [ --enable-full-debug include full support for pointer backtracing etc.],
456 [ if test "$enable_full_debug" = "yes"; then
457 AC_MSG_WARN("Should define GC_DEBUG and use debug alloc. in clients.")
458 AC_DEFINE([KEEP_BACK_PTRS], 1, [keep back ptrs])
459 AC_DEFINE([DBG_HDRS_ALL], 1, [dbg hdrs all])
462 AC_DEFINE([MAKE_BACK_GRAPH], 1, [make back graph])
463 AC_DEFINE([SAVE_CALL_COUNT], 8, [save call count])
464 AC_CHECK_LIB(unwind, backtrace, [
465 AC_DEFINE([GC_HAVE_BUILTIN_BACKTRACE], 1, [have builtin backtrace])
467 AC_MSG_WARN("Client code may need to link against libunwind.")
470 x86-*-linux* | i586-*-linux* | i686-*-linux* | x86_64-*-linux* )
471 AC_DEFINE([MAKE_BACK_GRAPH], 1, [make back graph])
472 AC_MSG_WARN("Client must not use -fomit-frame-pointer.")
473 AC_DEFINE([SAVE_CALL_COUNT], 8, [save call count])
476 AC_DEFINE([MAKE_BACK_GRAPH], 1, [make back graph])
483 AC_ARG_ENABLE(redirect-malloc,
484 [ --enable-redirect-malloc redirect malloc and friends to GC routines])
486 if test "${enable_redirect_malloc}" = yes; then
487 if test "${enable_full_debug}" = yes; then
488 AC_DEFINE([REDIRECT_MALLOC], GC_debug_malloc_replacement, [redirect malloc])
489 AC_DEFINE([REDIRECT_REALLOC], GC_debug_realloc_replacement, [redirect realloc])
490 AC_DEFINE([REDIRECT_FREE], GC_debug_free, [redirect free])
492 AC_DEFINE([REDIRECT_MALLOC], GC_malloc, [redirect malloc])
496 AC_ARG_ENABLE(gc-assertions,
497 [ --enable-gc-assertions collector-internal assertion checking])
498 if test "${enable_gc_assertions}" = yes; then
499 AC_DEFINE([GC_ASSERTIONS], 1, [gc assertions])
502 AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host")
504 AC_OUTPUT([Makefile doc/Makefile include/Makefile],,
507 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}