+# Copyright (c) 1999-2001 by Red Hat, Inc. All rights reserved.
+#
+# THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
+# OR IMPLIED. ANY USE IS AT YOUR OWN RISK.
+#
+# Permission is hereby granted to use or copy this program
+# for any purpose, provided the above notices are retained on all copies.
+# Permission to modify the code and to distribute modified code is granted,
+# provided the above notices are retained, and a notice that the code was
+# modified is included with the above copyright notice.
+#
+# Original author: Tom Tromey
+
dnl Process this file with autoconf to produce configure.
AC_INIT(gcj_mlc.c)
-BOEHM_CONFIGURE(.)
+dnl Can't be done in GC_CONFIGURE because that confuses automake.
+AC_CONFIG_AUX_DIR(.)
+
+GC_CONFIGURE(.)
AM_PROG_LIBTOOL
AC_MSG_CHECKING([for thread model used by GCC])
THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
+if test -z "$THREADS"; then
+ THREADS=no
+fi
AC_MSG_RESULT([$THREADS])
+AC_ARG_ENABLE(parallel-mark,
+[ --enable-parallel-mark parallelize marking and free list construction],
+ [case "$THREADS" in
+ no | none | single)
+ AC_MSG_ERROR([Parallel mark requires --enable-threads=x spec])
+ ;;
+ esac]
+)
+
INCLUDES=-I${srcdir}/include
THREADLIBS=
case "$THREADS" in
THREADS=posix
THREADLIBS=-lpthread
case "$host" in
+ x86-*-linux* | ia64-*-linux* | i586-*-linux* | i686-*-linux*)
+ AC_DEFINE(GC_LINUX_THREADS)
+ AC_DEFINE(_REENTRANT)
+ if test "${enable_parallel_mark}"; then
+ AC_DEFINE(PARALLEL_MARK)
+ fi
+ AC_DEFINE(THREAD_LOCAL_ALLOC)
+ ;;
*-*-linux*)
- AC_DEFINE(LINUX_THREADS)
+ AC_DEFINE(GC_LINUX_THREADS)
AC_DEFINE(_REENTRANT)
;;
+ *-*-hpux*)
+ AC_MSG_WARN("Only HP/UX 11 threads are supported.")
+ AC_DEFINE(GC_HPUX_THREADS)
+ AC_DEFINE(_POSIX_C_SOURCE,199506L)
+ if test "${enable_parallel_mark}" = yes; then
+ AC_DEFINE(PARALLEL_MARK)
+ fi
+ AC_DEFINE(THREAD_LOCAL_ALLOC)
+ THREADLIBS="-lpthread -lrt"
+ ;;
*-*-freebsd*)
- AC_MSG_WARN("FreeBSD does not yet fully support threads with Boehm GC.")
- AC_DEFINE(FREEBSD_THREADS)
+ AC_MSG_WARN("Threaded GC is prone to deadlock before FreeBSD 4.5.")
+ AC_MSG_WARN("Related symptom is pthread_join returns spurious EINTR.")
+ AC_DEFINE(GC_FREEBSD_THREADS)
INCLUDES="$INCLUDES -pthread"
THREADLIBS=-pthread
;;
*-*-solaris*)
- AC_DEFINE(SOLARIS_THREADS)
- AC_DEFINE(_SOLARIS_PTHREADS)
+ AC_DEFINE(GC_SOLARIS_THREADS)
+ AC_DEFINE(GC_SOLARIS_PTHREADS)
;;
*-*-irix*)
- AC_DEFINE(IRIX_THREADS)
+ AC_DEFINE(GC_IRIX_THREADS)
+ ;;
+ *-*-cygwin*)
+ THREADLIBS=
;;
esac
;;
AC_CHECK_LIB(dl, dlopen, EXTRA_TEST_LIBS="$EXTRA_TEST_LIBS -ldl")
AC_SUBST(EXTRA_TEST_LIBS)
-AC_ARG_ENABLE(java-gc,
-changequote(<<,>>)dnl
-<< --enable-java-gc=TYPE choose garbage collector [boehm]>>,
-changequote([,])
- GC=$enableval,
- GC=boehm)
-target_all=
-if test "$GC" = "boehm"; then
- target_all=libgcjgc.la
-fi
+target_all=libgcjgc.la
AC_SUBST(target_all)
+AC_SUBST(target_alias)
dnl If the target is an eCos system, use the appropriate eCos
dnl I/O routines.
alpha*-*-*)
machdep="alpha_mach_dep.lo"
;;
+ alpha-*-openbsd*)
+ if test x"${ac_cv_lib_dl_dlopen}" != xyes ; then
+ AC_MSG_WARN(OpenBSD/Alpha without dlopen(). Shared library support is disabled)
+ AM_DISABLE_SHARED
+ fi
+ ;;
+ i?86-*-solaris2.[[89]]*)
+ AC_DEFINE(SOLARIS25_PROC_VDB_BUG_FIXED)
+ ;;
mipstx39-*-elf*)
machdep="mips_ultrix_mach_dep.lo"
AC_DEFINE(STACKBASE, __stackbase)
sparc-sun-solaris2.3*)
AC_DEFINE(SUNOS53_SHARED_LIB)
;;
+ ia64-*-hpux*)
+ machdep="mach_dep.lo ia64_save_regs_in_stack.lo"
+ ;;
esac
if test x"$machdep" = x; then
machdep="mach_dep.lo"
MY_CFLAGS="$CFLAGS"
AC_SUBST(MY_CFLAGS)
-dnl Define a few things to retarget the library towards
-dnl embedded Java.
+dnl Include defines that have become de facto standard.
+dnl ALL_INTERIOR_POINTERS can be overridden in startup code.
AC_DEFINE(SILENT)
AC_DEFINE(NO_SIGNALS)
+AC_DEFINE(NO_EXECUTE_PERMISSION)
+AC_DEFINE(ALL_INTERIOR_POINTERS)
+
+dnl By default, make the library as general as possible.
AC_DEFINE(JAVA_FINALIZATION)
AC_DEFINE(GC_GCJ_SUPPORT)
+AC_DEFINE(ATOMIC_UNCOLLECTABLE)
dnl This is something of a hack. When cross-compiling we turn off
dnl some functionality. We also enable the "small" configuration.
AC_DEFINE(NO_DEBUGGING)
fi
+AC_ARG_ENABLE(full-debug,
+[ --enable-full-debug include full support for pointer backtracing etc.],
+[ if test "$enable_full_debug" = "yes"; then
+ AC_MSG_WARN("Must define GC_DEBUG and use debug alloc. in clients.")
+ AC_DEFINE(KEEP_BACK_PTRS)
+ AC_DEFINE(DBG_HDRS_ALL)
+ case $host in
+ x86-*-linux* | i586-*-linux* | i686-*-linux* )
+ AC_MSG_WARN("Client must not use -fomit-frame-pointer.")
+ AC_DEFINE(SAVE_CALL_COUNT, 8)
+ ;;
+ esac ]
+ fi)
+
AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host")
if test "${multilib}" = "yes"; then
multilib_arg=
fi
-AC_OUTPUT(Makefile,
-[
-dnl Put all the -D options in a file. These are required before
-dnl boehm-config.h can be included. This is a huge hack brought
-dnl about by overall poor structuring of this entire library.
+AC_OUTPUT(Makefile include/Makefile, [
+dnl Put all the -D options in a file.
echo "$DEFS" > boehm-cflags
if test -n "$CONFIG_FILES"; then
- ac_file=Makefile . ${boehm_gc_basedir}/../config-ml.in
+ ac_file=Makefile . ${gc_basedir}/../config-ml.in
fi],
srcdir=${srcdir}
host=${host}
with_multisubdir=${with_multisubdir}
ac_configure_args="${multilib_arg} ${ac_configure_args}"
CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
-boehm_gc_basedir=${boehm_gc_basedir}
+gc_basedir=${gc_basedir}
CC="${CC}"
DEFS="$DEFS"
)
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