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,6.3,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: 1621 $)
29 AM_CONFIG_HEADER([include/config.h])
41 AC_CHECK_TOOL(RANLIB, ranlib, :) # :)
48 . [$]{srcdir}/configure.host
50 GC_CFLAGS=${gc_cflags}
53 AC_ARG_ENABLE(boehm-threads, [ --enable-boehm-threads=TYPE choose threading package],
55 [ AC_MSG_CHECKING([for thread model used by GCC])
56 THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
57 if test -z "$THREADS"; then
60 AC_MSG_RESULT([$THREADS])])
62 AC_ARG_ENABLE(parallel-mark,
63 [ --enable-parallel-mark parallelize marking and free list construction],
66 AC_MSG_ERROR([Parallel mark requires --enable-threads=x spec])
71 AC_ARG_ENABLE(cplusplus,
72 [ --enable-cplusplus install C++ support],
75 INCLUDES=-I${srcdir}/include
85 x86-*-linux* | ia64-*-linux* | i586-*-linux* | i686-*-linux* | x86_64-*-linux* | alpha-*-linux*)
86 AC_DEFINE([GC_LINUX_THREADS], 1, [gc linux threads])
87 AC_DEFINE([_REENTRANT], 1, [reentrant])
88 if test "${enable_parallel_mark}" = yes; then
89 AC_DEFINE([PARALLEL_MARK], 1, [parallel mark])
91 AC_DEFINE([THREAD_LOCAL_ALLOC], 1, [thread local alloc])
94 AC_DEFINE([GC_LINUX_THREADS], 1, [gc linux threads])
95 AC_DEFINE([_REENTRANT], 1, [reentrant])
98 AC_DEFINE([GC_AIX_THREADS], 1, [gc aix threads])
99 AC_DEFINE([_REENTRANT], 1, [reentrant])
102 AC_MSG_WARN("Only HP/UX 11 threads are supported.")
103 AC_DEFINE([GC_HPUX_THREADS], 1, [gc hpux threads])
104 AC_DEFINE([_POSIX_C_SOURCE], 199506L, [posix c source])
105 if test "${enable_parallel_mark}" = yes; then
106 AC_DEFINE([PARALLEL_MARK], 1, [parallel mark])
108 AC_DEFINE([THREAD_LOCAL_ALLOC], 1, [thread local alloc])
109 THREADLIBS="-lpthread -lrt"
112 AC_MSG_WARN("FreeBSD does not yet fully support threads with Boehm GC.")
113 AC_DEFINE([GC_FREEBSD_THREADS], 1, [gc freebsd threads])
114 INCLUDES="$INCLUDES -pthread"
118 AC_DEFINE([GC_SOLARIS_THREADS], 1, [gc solaris threads])
119 AC_DEFINE([GC_SOLARIS_PTHREADS], 1, [gc solaris pthreads])
122 AC_DEFINE([GC_IRIX_THREADS], 1, [gc irix threads])
125 AC_DEFINE([GC_WIN32_THREADS], 1, [gc win32 threads])
128 AC_DEFINE([GC_DARWIN_THREADS], 1, [gc darwin threads])
129 AC_DEFINE([THREAD_LOCAL_ALLOC], 1, [thread local alloc])
130 if test "${enable_parallel_mark}" = yes; then
131 AC_DEFINE([PARALLEL_MARK], 1, [parallel mark])
135 AC_DEFINE([GC_OSF1_THREADS], 1, [gc osf1 threads])
136 if test "${enable_parallel_mark}" = yes; then
137 AC_DEFINE([PARALLEL_MARK], 1, [parallel mark])
138 AC_DEFINE([THREAD_LOCAL_ALLOC], 1, [thread local alloc])
139 # May want to enable it in other cases, too.
140 # Measurements havent yet been done.
142 INCLUDES="$INCLUDES -pthread"
143 THREADLIBS="-lpthread -lrt"
148 AC_DEFINE([GC_WIN32_THREADS], 1, [gc win32 threads])
149 dnl Wine getenv may not return NULL for missing entry
150 AC_DEFINE([NO_GETENV], 1, [no getenv])
154 AC_MSG_RESULT($THREADLIBS)
155 # Use pthread GCC switch
157 if test "${enable_parallel_mark}" = yes; then
158 AC_DEFINE([PARALLEL_MARK], 1, [parallel mark])
160 AC_DEFINE([THREAD_LOCAL_ALLOC], 1, [thread local alloc])
161 AC_DEFINE([GC_DGUX386_THREADS], 1, [gc dgux386 threads])
162 AC_DEFINE([DGUX_THREADS], 1, [dgux threads])
163 # Enable _POSIX4A_DRAFT10_SOURCE with flag -pthread
164 INCLUDES="-pthread $INCLUDES"
169 AC_DEFINE([GC_AIX_THREADS], 1, [gc aix threads])
170 AC_DEFINE([_REENTRANT], 1, [reentrant])
172 decosf1 | irix | mach | os2 | solaris | dce | vxworks)
173 AC_MSG_ERROR(thread package $THREADS not yet supported)
176 AC_MSG_ERROR($THREADS is an unknown thread package)
186 AM_CONDITIONAL(POWERPC_DARWIN,test x$powerpc_darwin = xtrue)
188 # We never want libdl on darwin. It is a fake libdl that just ends up making
193 AC_CHECK_LIB(dl, dlopen, EXTRA_TEST_LIBS="$EXTRA_TEST_LIBS -ldl")
197 AC_SUBST(EXTRA_TEST_LIBS)
202 dnl If the target is an eCos system, use the appropriate eCos
204 dnl FIXME: this should not be a local option but a global target
205 dnl system; at present there is no eCos target.
208 [ --with-ecos enable runtime eCos target support],
209 TARGET_ECOS="$with_ecos"
217 case "$TARGET_ECOS" in
221 AC_DEFINE([ECOS], 1, [ecos])
222 CXXINCLUDES="-I${TARGET_ECOS}/include"
223 addobjs="$addobjs ecos.lo"
227 if test "${enable_cplusplus}" = yes; then
228 addincludes="$addincludes include/gc_cpp.h include/gc_allocator.h"
229 addtests="$addtests test_cpp"
232 AM_CONDITIONAL(CPLUSPLUS, test "${enable_cplusplus}" = yes)
237 AC_SUBST(CXXINCLUDES)
239 # Configuration of shared libraries
241 AC_MSG_CHECKING(whether to build shared libraries)
254 # Configuration of machine-dependent code
256 AC_MSG_CHECKING(which machine-dependent code should be used)
260 machdep="alpha_mach_dep.lo"
261 if test x"${ac_cv_lib_dl_dlopen}" != xyes ; then
262 AC_MSG_WARN(OpenBSD/Alpha without dlopen(). Shared library support is disabled)
266 machdep="alpha_mach_dep.lo"
268 i?86-*-solaris2.[[89]] | i?86-*-solaris2.1?)
269 AC_DEFINE([SOLARIS25_PROC_VDB_BUG_FIXED], 1, [solaris 2.5 proc vdb bug fixed])
272 machdep="mips_ultrix_mach_dep.lo"
273 AC_DEFINE([STACKBASE], __stackbase, [stackbase])
274 AC_DEFINE([DATASTART_IS_ETEXT], 1, [datastart is etext])
277 machdep="mips_ultrix_mach-dep.lo"
279 mips-nec-sysv*|mips-unknown-sysv*)
284 machdep="mips_sgi_mach_dep.lo"
285 AC_DEFINE([NO_EXECUTE_PERMISSION], 1, [no execute permission])
288 machdep="sparc_netbsd_mach_dep.lo"
290 sparc-sun-solaris2.3)
291 machdep="sparc_mach_dep.lo"
292 AC_DEFINE([SUNOS53_SHARED_LIB], 1, [sun os 5.3 shared lib])
294 sparc-sun-solaris2.*)
295 machdep="sparc_mach_dep.lo"
298 machdep="mach_dep.lo ia64_save_regs_in_stack.lo"
301 if test x"$machdep" = x; then
302 AC_MSG_RESULT($machdep)
303 machdep="mach_dep.lo"
305 addobjs="$addobjs $machdep"
307 AC_SUBST(addincludes)
314 # Check for AViiON Machines running DGUX
317 AC_CHECK_HEADER(sys/dg_sys_info.h,
320 ## :GOTCHA: we do not check anything but sys/dg_sys_info.h
321 if test $ac_is_dgux = yes; then
322 if test "$enable_full_debug" = "yes"; then
323 CFLAGS="-g -mstandard -DDGUX -D_DGUX_SOURCE -Di386 -mno-legend -O2"
324 CXXFLAGS="-g -mstandard -DDGUX -D_DGUX_SOURCE -Di386 -mno-legend -O2"
326 CFLAGS="-DDGUX -D_DGUX_SOURCE -Di386 -mno-legend -O2"
327 CXXFLAGS="-DDGUX -D_DGUX_SOURCE -Di386 -mno-legend -O2"
333 dnl We use these options to decide which functions to include.
334 AC_ARG_WITH(target-subdir,
335 [ --with-target-subdir=SUBDIR
336 configuring with a cross compiler])
337 AC_ARG_WITH(cross-host,
338 [ --with-cross-host=HOST configuring with a cross compiler])
340 # automake wants to see AC_EXEEXT. But we don't need it. And having
341 # it is actually a problem, because the compiler we're passed can't
342 # necessarily do a full link. So we fool automake here.
344 # autoconf 2.50 runs AC_EXEEXT by default, and the macro expands
345 # to nothing, so nothing would remain between `then' and `fi' if it
346 # were not for the `:' below.
351 dnl As of 4.13a2, the collector will not properly work on Solaris when
352 dnl built with gcc and -O. So we remove -O in the appropriate case.
354 AC_MSG_CHECKING(whether Solaris gcc optimization fix is necessary)
356 sparc-sun-solaris2*|*aix*)
357 if test "$GCC" = yes; then
365 new_CFLAGS="$new_CFLAGS $i"
374 *) AC_MSG_RESULT(no) ;;
377 dnl We need to override the top-level CFLAGS. This is how we do it.
381 dnl Include defines that have become de facto standard.
382 dnl ALL_INTERIOR_POINTERS can be overridden in startup code.
383 AC_DEFINE([SILENT], 1, [silent])
384 AC_DEFINE([NO_SIGNALS], 1, [no signals])
385 AC_DEFINE([NO_EXECUTE_PERMISSION], 1, [no exceute permission])
386 AC_DEFINE([ALL_INTERIOR_POINTERS], 1, [all interior pointers])
388 dnl By default, make the library as general as possible.
389 AC_DEFINE([JAVA_FINALIZATION], 1, [java finalization])
390 AC_DEFINE([GC_GCJ_SUPPORT], 1, [gc gcj support])
391 AC_DEFINE([ATOMIC_UNCOLLECTABLE], 1, [atomic uncollectable])
393 dnl This is something of a hack. When cross-compiling we turn off
394 dnl some functionality. We also enable the "small" configuration.
395 dnl These is only correct when targetting an embedded system. FIXME.
396 if test -n "${with_cross_host}"; then
397 AC_DEFINE([NO_SIGSET], 1, [no sigset])
398 AC_DEFINE([NO_CLOCK], 1, [no clock])
399 AC_DEFINE([SMALL_CONFIG], 1, [small config])
400 AC_DEFINE([NO_DEBUGGING], 1, [no debugging])
404 AC_ARG_ENABLE(full-debug,
405 [ --enable-full-debug include full support for pointer backtracing etc.],
406 [ if test "$enable_full_debug" = "yes"; then
407 AC_MSG_WARN("Should define GC_DEBUG and use debug alloc. in clients.")
408 AC_DEFINE([KEEP_BACK_PTRS], 1, [keep back ptrs])
409 AC_DEFINE([DBG_HDRS_ALL], 1, [dbg hdrs all])
412 AC_DEFINE([MAKE_BACK_GRAPH], 1, [make back graph])
413 AC_DEFINE([SAVE_CALL_COUNT], 8, [save call count])
414 AC_CHECK_LIB(unwind, backtrace, [
415 AC_DEFINE([GC_HAVE_BUILTIN_BACKTRACE], 1, [have builtin backtrace])
417 AC_MSG_WARN("Client code may need to link against libunwind.")
420 x86-*-linux* | i586-*-linux* | i686-*-linux* | x86_64-*-linux* )
421 AC_DEFINE([MAKE_BACK_GRAPH], 1, [make back graph])
422 AC_MSG_WARN("Client must not use -fomit-frame-pointer.")
423 AC_DEFINE([SAVE_CALL_COUNT], 8, [save call count])
426 AC_DEFINE([MAKE_BACK_GRAPH], 1, [make back graph])
433 AC_ARG_ENABLE(redirect-malloc,
434 [ --enable-redirect-malloc redirect malloc and friends to GC routines])
436 if test "${enable_redirect_malloc}" = yes; then
437 if test "${enable_full_debug}" = yes; then
438 AC_DEFINE([REDIRECT_MALLOC], GC_debug_malloc_replacement, [redirect malloc])
439 AC_DEFINE([REDIRECT_REALLOC], GC_debug_realloc_replacement, [redirect realloc])
440 AC_DEFINE([REDIRECT_FREE], GC_debug_free, [redirect free])
442 AC_DEFINE([REDIRECT_MALLOC], GC_malloc, [redirect malloc])
446 AC_ARG_ENABLE(gc-assertions,
447 [ --enable-gc-assertions collector-internal assertion checking])
448 if test "${enable_gc_assertions}" = yes; then
449 AC_DEFINE([GC_ASSERTIONS], 1, [gc assertions])
452 AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host")
454 AC_OUTPUT([Makefile doc/Makefile include/Makefile],,
457 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}