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 thread model used by GCC])
30 THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
31 AC_MSG_RESULT([$THREADS])
43 AC_DEFINE(LINUX_THREADS)
47 AC_DEFINE(SOLARIS_THREADS)
48 AC_DEFINE(_SOLARIS_PTHREADS)
51 AC_DEFINE(IRIX_THREADS)
56 decosf1 | irix | mach | os2 | solaris | win32 | dce | vxworks)
57 AC_MSG_ERROR(thread package $THREADS not yet supported)
60 AC_MSG_ERROR($THREADS is an unknown thread package)
65 AC_CHECK_LIB(dl, dlopen, EXTRA_TEST_LIBS="$EXTRA_TEST_LIBS -ldl")
66 AC_SUBST(EXTRA_TEST_LIBS)
68 AC_ARG_ENABLE(java-gc,
70 << --enable-java-gc=TYPE choose garbage collector [boehm]>>,
75 if test "$GC" = "boehm"; then
76 target_all=libgcjgc.la
80 dnl If the target is an eCos system, use the appropriate eCos
82 dnl FIXME: this should not be a local option but a global target
83 dnl system; at present there is no eCos target.
86 [ --with-ecos enable runtime eCos target support],
87 TARGET_ECOS="$with_ecos"
92 case "$TARGET_ECOS" in
97 CXXINCLUDES="-I${TARGET_ECOS}/include"
98 addobjs="$addobjs ecos.lo"
104 AC_SUBST(CXXINCLUDES)
108 # alpha_mach_dep.s assumes that pointers are not saved in fp registers.
109 # Gcc on a 21264 can spill pointers to fp registers. Oops.
111 # machdep="alpha_mach_dep.lo"
114 machdep="mips_ultrix_mach_dep.lo"
115 AC_DEFINE(STACKBASE, __stackbase)
116 AC_DEFINE(DATASTART_IS_ETEXT)
119 machdep="mips_ultrix_mach-dep.lo"
122 machdep="mips_sgi_mach_dep.lo"
123 AC_DEFINE(NO_EXECUTE_PERMISSION)
125 sparc-sun-solaris2.3*)
126 AC_DEFINE(SUNOS53_SHARED_LIB)
129 if test x"$machdep" = x; then
130 machdep="mach_dep.lo"
132 addobjs="$addobjs $machdep"
135 dnl As of 4.13a2, the collector will not properly work on Solaris when
136 dnl built with gcc and -O. So we remove -O in the appropriate case.
139 if test "$GCC" = yes; then
146 new_CFLAGS="$new_CFLAGS $i"
155 dnl We need to override the top-level CFLAGS. This is how we do it.
159 dnl Define a few things to retarget the library towards
162 AC_DEFINE(NO_SIGNALS)
163 AC_DEFINE(JAVA_FINALIZATION)
164 AC_DEFINE(GC_GCJ_SUPPORT)
166 dnl This is something of a hack. When cross-compiling we turn off
167 dnl some functionality. We also enable the "small" configuration.
168 dnl These is only correct when targetting an embedded system. FIXME.
169 if test -n "${with_cross_host}"; then
172 AC_DEFINE(SMALL_CONFIG)
173 AC_DEFINE(NO_DEBUGGING)
176 AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host")
178 if test "${multilib}" = "yes"; then
179 multilib_arg="--enable-multilib"
186 dnl Put all the -D options in a file. These are required before
187 dnl boehm-config.h can be included. This is a huge hack brought
188 dnl about by overall poor structuring of this entire library.
189 echo "$DEFS" > boehm-cflags
191 if test -n "$CONFIG_FILES"; then
192 ac_file=Makefile . ${boehm_gc_basedir}/../config-ml.in
197 with_multisubdir=${with_multisubdir}
198 ac_configure_args="${multilib_arg} ${ac_configure_args}"
199 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
200 boehm_gc_basedir=${boehm_gc_basedir}