1 dnl Process this file with autoconf to produce configure.
5 dnl Can't be done in BOEHM_CONFIGURE because that confuses automake.
14 dnl We use these options to decide which functions to include.
15 AC_ARG_WITH(target-subdir,
16 [ --with-target-subdir=SUBDIR Configuring with a cross compiler])
17 AC_ARG_WITH(cross-host,
18 [ --with-cross-host=HOST Configuring with a cross compiler])
21 # automake wants to see AC_EXEEXT. But we don't need it. And having
22 # it is actually a problem, because the compiler we're passed can't
23 # necessarily do a full link. So we fool automake here.
24 if test "x" = "y"; then
28 AC_MSG_CHECKING([for threads package to use])
29 AC_ARG_ENABLE(threads, [ --enable-threads=TYPE choose threading package],
31 dnl FIXME: figure out native threads to use here.
34 if test "$THREADS" = yes; then
40 # FIXME: this isn't correct in all cases.
47 # FIXME: for now, choose POSIX, because we implement that.
48 # Later, choose irix threads.
52 # FIXME: for now, choose POSIX, because we implement that.
53 # Later, choose solaris threads.
72 AC_DEFINE(LINUX_THREADS)
76 AC_DEFINE(SOLARIS_THREADS)
77 AC_DEFINE(_SOLARIS_PTHREADS)
80 AC_DEFINE(IRIX_THREADS)
85 AC_DEFINE(QUICK_THREADS)
86 INCLUDES="-I${boehm_gc_basedir}/../qthreads"
88 decosf1 | irix | mach | os2 | solaris | win32 | dce | vxworks)
89 AC_MSG_ERROR(thread package $THREADS not yet supported)
92 AC_MSG_ERROR($THREADS is an unknown thread package)
95 AC_MSG_RESULT($THREADS)
97 AC_ARG_ENABLE(java-gc,
99 << --enable-java-gc=TYPE choose garbage collector [boehm]>>,
104 if test "$GC" = "boehm"; then
105 target_all=libgcjgc.la
109 dnl If the target is an eCos system, use the appropriate eCos
111 dnl FIXME: this should not be a local option but a global target
112 dnl system; at present there is no eCos target.
115 [ --with-ecos Enable runtime eCos target support.],
116 TARGET_ECOS="$with_ecos"
121 case "$TARGET_ECOS" in
126 CXXINCLUDES="-I${TARGET_ECOS}/include"
127 addobjs="$addobjs ecos.lo"
133 AC_SUBST(CXXINCLUDES)
138 machdep="alpha_mach_dep.lo"
142 machdep="mips_ultrix_mach_dep.lo"
143 AC_DEFINE(STACKBASE, __stackbase)
144 AC_DEFINE(DATASTART_IS_ETEXT)
147 machdep="mips_ultrix_mach-dep.lo"
150 machdep="mips_sgi_mach_dep.lo"
151 AC_DEFINE(NO_EXECUTE_PERMISSION)
153 sparc-sun-solaris2.3*)
154 AC_DEFINE(SUNOS53_SHARED_LIB)
157 if test x"$machdep" = x; then
158 machdep="mach_dep.lo"
160 addobjs="$addobjs $machdep"
163 dnl As of 4.13a2, the collector will not properly work on Solaris when
164 dnl built with gcc and -O. So we remove -O in the appropriate case.
167 if test "$GCC" = yes; then
174 new_CFLAGS="$new_CFLAGS $i"
183 dnl We need to override the top-level CFLAGS. This is how we do it.
187 dnl Define a few things to retarget the library towards
190 AC_DEFINE(NO_SIGNALS)
191 AC_DEFINE(NO_DEBUGGING)
192 AC_DEFINE(JAVA_FINALIZATION)
194 dnl Create boehm-config.h so that libjava can find it.
195 dnl It is required to use gc_priv.h, which is required to write
196 dnl a new marking function. So config.h in this package is
198 AC_LINK_FILES(config.h, boehm-config.h)
200 dnl This is something of a hack. When cross-compiling we turn off
201 dnl some functionality. We also enable the "small" configuration.
202 dnl These is only correct when targetting an embedded system. FIXME.
203 if test -n "${with_cross_host}"; then
206 AC_DEFINE(SMALL_CONFIG)
209 AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host")
211 if test "${multilib}" = "yes"; then
212 multilib_arg="--enable-multilib"
219 dnl Put all the -D options in a file. These are required before
220 dnl boehm-config.h can be included. This is a huge hack brought
221 dnl about by overall poor structuring of this entire library.
222 echo "$DEFS" > boehm-cflags
224 if test -n "$CONFIG_FILES"; then
225 ac_file=Makefile . ${boehm_gc_basedir}/../config-ml.in
230 with_multisubdir=${with_multisubdir}
231 ac_configure_args="${multilib_arg} ${ac_configure_args}"
232 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
233 boehm_gc_basedir=${boehm_gc_basedir}