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
17 configuring with a cross compiler])
18 AC_ARG_WITH(cross-host,
19 [ --with-cross-host=HOST configuring with a cross compiler])
22 # automake wants to see AC_EXEEXT. But we don't need it. And having
23 # it is actually a problem, because the compiler we're passed can't
24 # necessarily do a full link. So we fool automake here.
25 if test "x" = "y"; then
29 AC_MSG_CHECKING([for threads package to use])
30 AC_ARG_ENABLE(threads, [ --enable-threads=TYPE choose threading package],
32 dnl FIXME: figure out native threads to use here.
35 if test "$THREADS" = yes; then
41 # FIXME: this isn't correct in all cases.
48 # No built-in threads library on IRIX 5.* and older.
52 # FIXME: for now, choose POSIX, because we implement that.
53 # Later, choose irix threads.
57 # FIXME: for now, choose POSIX, because we implement that.
58 # Later, choose solaris threads.
78 AC_DEFINE(LINUX_THREADS)
82 AC_DEFINE(SOLARIS_THREADS)
83 AC_DEFINE(_SOLARIS_PTHREADS)
86 AC_DEFINE(IRIX_THREADS)
91 decosf1 | irix | mach | os2 | solaris | win32 | dce | vxworks)
92 AC_MSG_ERROR(thread package $THREADS not yet supported)
95 AC_MSG_ERROR($THREADS is an unknown thread package)
98 AC_MSG_RESULT($THREADS)
101 AC_ARG_ENABLE(java-gc,
102 changequote(<<,>>)dnl
103 << --enable-java-gc=TYPE choose garbage collector [boehm]>>,
108 if test "$GC" = "boehm"; then
109 target_all=libgcjgc.la
113 dnl If the target is an eCos system, use the appropriate eCos
115 dnl FIXME: this should not be a local option but a global target
116 dnl system; at present there is no eCos target.
119 [ --with-ecos enable runtime eCos target support],
120 TARGET_ECOS="$with_ecos"
125 case "$TARGET_ECOS" in
130 CXXINCLUDES="-I${TARGET_ECOS}/include"
131 addobjs="$addobjs ecos.lo"
137 AC_SUBST(CXXINCLUDES)
141 # alpha_mach_dep.s assumes that pointers are not saved in fp registers.
142 # Gcc on a 21264 can spill pointers to fp registers. Oops.
144 # machdep="alpha_mach_dep.lo"
147 machdep="mips_ultrix_mach_dep.lo"
148 AC_DEFINE(STACKBASE, __stackbase)
149 AC_DEFINE(DATASTART_IS_ETEXT)
152 machdep="mips_ultrix_mach-dep.lo"
155 machdep="mips_sgi_mach_dep.lo"
156 AC_DEFINE(NO_EXECUTE_PERMISSION)
158 sparc-sun-solaris2.3*)
159 AC_DEFINE(SUNOS53_SHARED_LIB)
162 if test x"$machdep" = x; then
163 machdep="mach_dep.lo"
165 addobjs="$addobjs $machdep"
168 dnl As of 4.13a2, the collector will not properly work on Solaris when
169 dnl built with gcc and -O. So we remove -O in the appropriate case.
172 if test "$GCC" = yes; then
179 new_CFLAGS="$new_CFLAGS $i"
188 dnl We need to override the top-level CFLAGS. This is how we do it.
192 dnl Define a few things to retarget the library towards
195 AC_DEFINE(NO_SIGNALS)
196 AC_DEFINE(JAVA_FINALIZATION)
197 AC_DEFINE(GC_GCJ_SUPPORT)
199 dnl This is something of a hack. When cross-compiling we turn off
200 dnl some functionality. We also enable the "small" configuration.
201 dnl These is only correct when targetting an embedded system. FIXME.
202 if test -n "${with_cross_host}"; then
205 AC_DEFINE(SMALL_CONFIG)
206 AC_DEFINE(NO_DEBUGGING)
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}