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,6.7,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: 4655 $)
29 AM_CONFIG_HEADER([include/config.h])
41 AC_CHECK_TOOL(RANLIB, ranlib, :) # :)
48 . [$]{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${srcdir}/include
77 ## Libraries needed to support dynamic loading and/or threads.
84 THREADDLLIBS=-lpthread
86 x86-*-linux* | ia64-*-linux* | i586-*-linux* | i686-*-linux* | x86_64-*-linux* | alpha-*-linux*)
87 AC_DEFINE([GC_LINUX_THREADS], 1, [gc linux threads])
88 AC_DEFINE([_REENTRANT], 1, [reentrant])
89 if test "${enable_parallel_mark}" = yes; then
90 AC_DEFINE([PARALLEL_MARK], 1, [parallel mark])
92 AC_DEFINE([THREAD_LOCAL_ALLOC], 1, [thread local alloc])
95 AC_DEFINE([GC_LINUX_THREADS], 1, [gc linux threads])
96 AC_DEFINE([_REENTRANT], 1, [reentrant])
99 AC_DEFINE([GC_AIX_THREADS], 1, [gc aix threads])
100 AC_DEFINE([_REENTRANT], 1, [reentrant])
103 AC_MSG_WARN("Only HP/UX 11 threads are supported.")
104 AC_DEFINE([GC_HPUX_THREADS], 1, [gc hpux threads])
105 AC_DEFINE([_POSIX_C_SOURCE], 199506L, [posix c source])
106 if test "${enable_parallel_mark}" = yes; then
107 AC_DEFINE([PARALLEL_MARK], 1, [parallel mark])
109 AC_DEFINE([THREAD_LOCAL_ALLOC], 1, [thread local alloc])
110 THREADDLLIBS="-lpthread -lrt"
113 AC_MSG_WARN("FreeBSD does not yet fully support threads with Boehm GC.")
114 AC_DEFINE([GC_FREEBSD_THREADS], 1, [gc freebsd threads])
115 INCLUDES="$INCLUDES -pthread"
116 THREADDLLIBS=-pthread
119 AC_MSG_WARN("Only on NetBSD 2.0 or later.")
120 AC_DEFINE([GC_NETBSD_THREADS], 1, [GC NetBSD threads])
121 AC_DEFINE([_REENTRANT], 1, [reentrant])
122 AC_DEFINE([_PTHREADS], 1, [pthreads])
123 THREADDLLIBS="-lpthread -lrt"
126 AC_DEFINE([GC_SOLARIS_THREADS], 1, [gc solaris threads])
127 AC_DEFINE([GC_SOLARIS_PTHREADS], 1, [gc solaris pthreads])
130 AC_DEFINE([GC_IRIX_THREADS], 1, [gc irix threads])
133 AC_DEFINE([GC_WIN32_THREADS], 1, [gc win32 threads])
136 AC_DEFINE([GC_DARWIN_THREADS], 1, [gc darwin threads])
137 AC_DEFINE([THREAD_LOCAL_ALLOC], 1, [thread local alloc])
138 if test "${enable_parallel_mark}" = yes; then
139 AC_DEFINE([PARALLEL_MARK], 1, [parallel mark])
143 AC_DEFINE([GC_OSF1_THREADS], 1, [gc osf1 threads])
144 if test "${enable_parallel_mark}" = yes; then
145 AC_DEFINE([PARALLEL_MARK], 1, [parallel mark])
146 AC_DEFINE([THREAD_LOCAL_ALLOC], 1, [thread local alloc])
147 # May want to enable it in other cases, too.
148 # Measurements havent yet been done.
150 INCLUDES="$INCLUDES -pthread"
151 THREADDLLIBS="-lpthread -lrt"
154 AC_MSG_ERROR("Pthreads not supported by the GC on this platform.")
159 AC_DEFINE([GC_WIN32_THREADS], 1, [gc win32 threads])
160 dnl Wine getenv may not return NULL for missing entry
161 AC_DEFINE([NO_GETENV], 1, [no getenv])
165 AC_MSG_RESULT($THREADDLLIBS)
166 # Use pthread GCC switch
167 THREADDLLIBS=-pthread
168 if test "${enable_parallel_mark}" = yes; then
169 AC_DEFINE([PARALLEL_MARK], 1, [parallel mark])
171 AC_DEFINE([THREAD_LOCAL_ALLOC], 1, [thread local alloc])
172 AC_DEFINE([GC_DGUX386_THREADS], 1, [gc dgux386 threads])
173 AC_DEFINE([DGUX_THREADS], 1, [dgux threads])
174 # Enable _POSIX4A_DRAFT10_SOURCE with flag -pthread
175 INCLUDES="-pthread $INCLUDES"
179 THREADDLLIBS=-lpthread
180 AC_DEFINE([GC_AIX_THREADS], 1, [gc aix threads])
181 AC_DEFINE([_REENTRANT], 1, [reentrant])
183 decosf1 | irix | mach | os2 | solaris | dce | vxworks)
184 AC_MSG_ERROR(thread package $THREADS not yet supported)
187 AC_MSG_ERROR($THREADS is an unknown thread package)
190 AC_SUBST(THREADDLLIBS)
195 dnl CACAO: disable this for now
196 AC_DEFINE([DARWIN_DONT_PARSE_STACK], 1, [don't use FindTopOfStack])
199 AM_CONDITIONAL(POWERPC_DARWIN,test x$powerpc_darwin = xtrue)
201 AC_MSG_CHECKING(for xlc)
206 ], [compiler_xlc=yes], [compiler_xlc=no])
207 AC_MSG_RESULT($compiler_xlc)
208 AM_CONDITIONAL(COMPILER_XLC,test $compiler_xlc = yes)
209 if test $compiler_xlc = yes -a "$powerpc_darwin" = true; then
210 # the darwin stack-frame-walking code is completely broken on xlc
211 AC_DEFINE(DARWIN_DONT_PARSE_STACK)
214 # We never want libdl on darwin. It is a fake libdl that just ends up making
219 AC_CHECK_LIB(dl, dlopen, THREADDLLIBS="$THREADDLLIBS -ldl")
223 AC_SUBST(EXTRA_TEST_LIBS)
228 dnl If the target is an eCos system, use the appropriate eCos
230 dnl FIXME: this should not be a local option but a global target
231 dnl system; at present there is no eCos target.
234 [ --with-ecos enable runtime eCos target support],
235 TARGET_ECOS="$with_ecos"
243 case "$TARGET_ECOS" in
247 AC_DEFINE([ECOS], 1, [ecos])
248 CXXINCLUDES="-I${TARGET_ECOS}/include"
249 addobjs="$addobjs ecos.lo"
253 if test "${enable_cplusplus}" = yes; then
254 addincludes="$addincludes include/gc_cpp.h include/gc_allocator.h"
255 addtests="$addtests test_cpp"
258 AM_CONDITIONAL(CPLUSPLUS, test "${enable_cplusplus}" = yes)
263 AC_SUBST(CXXINCLUDES)
265 # Configuration of shared libraries
267 AC_MSG_CHECKING(whether to build shared libraries)
280 # Configuration of machine-dependent code
282 AC_MSG_CHECKING(which machine-dependent code should be used)
286 machdep="alpha_mach_dep.lo"
287 if test x"${ac_cv_lib_dl_dlopen}" != xyes ; then
288 AC_MSG_WARN(OpenBSD/Alpha without dlopen(). Shared library support is disabled)
292 machdep="alpha_mach_dep.lo"
294 i?86-*-solaris2.[[89]] | i?86-*-solaris2.1?)
295 AC_DEFINE([SOLARIS25_PROC_VDB_BUG_FIXED], 1, [solaris 2.5 proc vdb bug fixed])
298 machdep="mips_ultrix_mach_dep.lo"
299 AC_DEFINE([STACKBASE], __stackbase, [stackbase])
300 AC_DEFINE([DATASTART_IS_ETEXT], 1, [datastart is etext])
303 machdep="mips_ultrix_mach-dep.lo"
305 mips-nec-sysv*|mips-unknown-sysv*)
310 machdep="mips_sgi_mach_dep.lo"
311 AC_DEFINE([NO_EXECUTE_PERMISSION], 1, [no execute permission])
314 machdep="sparc_netbsd_mach_dep.lo"
316 sparc-sun-solaris2.3)
317 machdep="sparc_mach_dep.lo"
318 AC_DEFINE([SUNOS53_SHARED_LIB], 1, [sun os 5.3 shared lib])
320 sparc*-sun-solaris2.*)
321 machdep="sparc_mach_dep.lo"
324 machdep="mach_dep.lo ia64_save_regs_in_stack.lo"
327 if test x"$machdep" = x; then
328 AC_MSG_RESULT($machdep)
329 machdep="mach_dep.lo"
331 addobjs="$addobjs $machdep"
333 AC_SUBST(addincludes)
340 # Check for AViiON Machines running DGUX
343 AC_CHECK_HEADER(sys/dg_sys_info.h,
346 ## :GOTCHA: we do not check anything but sys/dg_sys_info.h
347 if test $ac_is_dgux = yes; then
348 if test "$enable_full_debug" = "yes"; then
349 CFLAGS="-g -mstandard -DDGUX -D_DGUX_SOURCE -Di386 -mno-legend -O2"
350 CXXFLAGS="-g -mstandard -DDGUX -D_DGUX_SOURCE -Di386 -mno-legend -O2"
352 CFLAGS="-DDGUX -D_DGUX_SOURCE -Di386 -mno-legend -O2"
353 CXXFLAGS="-DDGUX -D_DGUX_SOURCE -Di386 -mno-legend -O2"
359 dnl We use these options to decide which functions to include.
360 AC_ARG_WITH(target-subdir,
361 [ --with-target-subdir=SUBDIR
362 configuring with a cross compiler])
363 AC_ARG_WITH(cross-host,
364 [ --with-cross-host=HOST configuring with a cross compiler])
366 # automake wants to see AC_EXEEXT. But we don't need it. And having
367 # it is actually a problem, because the compiler we're passed can't
368 # necessarily do a full link. So we fool automake here.
370 # autoconf 2.50 runs AC_EXEEXT by default, and the macro expands
371 # to nothing, so nothing would remain between `then' and `fi' if it
372 # were not for the `:' below.
377 dnl As of 4.13a2, the collector will not properly work on Solaris when
378 dnl built with gcc and -O. So we remove -O in the appropriate case.
379 dnl Not needed anymore on Solaris.
380 AC_MSG_CHECKING(whether Solaris gcc optimization fix is necessary)
383 if test "$GCC" = yes; then
391 new_CFLAGS="$new_CFLAGS $i"
400 *) AC_MSG_RESULT(no) ;;
403 dnl We need to override the top-level CFLAGS. This is how we do it.
407 dnl Include defines that have become de facto standard.
408 dnl ALL_INTERIOR_POINTERS can be overridden in startup code.
409 AC_DEFINE([SILENT], 1, [silent])
410 AC_DEFINE([NO_SIGNALS], 1, [no signals])
411 AC_DEFINE([NO_EXECUTE_PERMISSION], 1, [no exceute permission])
412 AC_DEFINE([ALL_INTERIOR_POINTERS], 1, [all interior pointers])
414 dnl By default, make the library as general as possible.
415 AC_DEFINE([JAVA_FINALIZATION], 1, [java finalization])
416 AC_DEFINE([GC_GCJ_SUPPORT], 1, [gc gcj support])
417 AC_DEFINE([ATOMIC_UNCOLLECTABLE], 1, [atomic uncollectable])
419 dnl This is something of a hack. When cross-compiling we turn off
420 dnl some functionality. We also enable the "small" configuration.
421 dnl These is only correct when targetting an embedded system. FIXME.
422 if test -n "${with_cross_host}"; then
423 AC_DEFINE([NO_SIGSET], 1, [no sigset])
424 AC_DEFINE([NO_CLOCK], 1, [no clock])
425 AC_DEFINE([SMALL_CONFIG], 1, [small config])
426 AC_DEFINE([NO_DEBUGGING], 1, [no debugging])
430 AC_ARG_ENABLE(full-debug,
431 [ --enable-full-debug include full support for pointer backtracing etc.],
432 [ if test "$enable_full_debug" = "yes"; then
433 AC_MSG_WARN("Should define GC_DEBUG and use debug alloc. in clients.")
434 AC_DEFINE([KEEP_BACK_PTRS], 1, [keep back ptrs])
435 AC_DEFINE([DBG_HDRS_ALL], 1, [dbg hdrs all])
438 AC_DEFINE([MAKE_BACK_GRAPH], 1, [make back graph])
439 AC_DEFINE([SAVE_CALL_COUNT], 8, [save call count])
440 AC_CHECK_LIB(unwind, backtrace, [
441 AC_DEFINE([GC_HAVE_BUILTIN_BACKTRACE], 1, [have builtin backtrace])
443 AC_MSG_WARN("Client code may need to link against libunwind.")
446 x86-*-linux* | i586-*-linux* | i686-*-linux* | x86_64-*-linux* )
447 AC_DEFINE([MAKE_BACK_GRAPH], 1, [make back graph])
448 AC_MSG_WARN("Client must not use -fomit-frame-pointer.")
449 AC_DEFINE([SAVE_CALL_COUNT], 8, [save call count])
452 AC_DEFINE([MAKE_BACK_GRAPH], 1, [make back graph])
459 AC_ARG_ENABLE(redirect-malloc,
460 [ --enable-redirect-malloc redirect malloc and friends to GC routines])
462 if test "${enable_redirect_malloc}" = yes; then
463 if test "${enable_full_debug}" = yes; then
464 AC_DEFINE([REDIRECT_MALLOC], GC_debug_malloc_replacement, [redirect malloc])
465 AC_DEFINE([REDIRECT_REALLOC], GC_debug_realloc_replacement, [redirect realloc])
466 AC_DEFINE([REDIRECT_FREE], GC_debug_free, [redirect free])
468 AC_DEFINE([REDIRECT_MALLOC], GC_malloc, [redirect malloc])
472 AC_ARG_ENABLE(gc-assertions,
473 [ --enable-gc-assertions collector-internal assertion checking])
474 if test "${enable_gc_assertions}" = yes; then
475 AC_DEFINE([GC_ASSERTIONS], 1, [gc assertions])
478 AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host")
480 AC_OUTPUT([Makefile doc/Makefile include/Makefile],,
483 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}