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|
dnl Process this file with autoconf to produce configure.
AC_INIT(gc_mark.h)
dnl Can't be done in BOEHM_CONFIGURE because that confuses automake.
AC_CONFIG_AUX_DIR(..)
AC_CANONICAL_SYSTEM
BOEHM_CONFIGURE(.)
AM_PROG_LIBTOOL
dnl We use these options to decide which functions to include.
AC_ARG_WITH(target-subdir,
[ --with-target-subdir=SUBDIR
configuring with a cross compiler])
AC_ARG_WITH(cross-host,
[ --with-cross-host=HOST configuring with a cross compiler])
AM_MAINTAINER_MODE
# automake wants to see AC_EXEEXT. But we don't need it. And having
# it is actually a problem, because the compiler we're passed can't
# necessarily do a full link. So we fool automake here.
if test "x" = "y"; then
AC_EXEEXT
fi
AC_MSG_CHECKING([for thread model used by GCC])
THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
AC_MSG_RESULT([$THREADS])
INCLUDES=
THREADLIBS=
case "$THREADS" in
no | none | single)
THREADS=none
;;
posix | pthreads)
THREADS=posix
THREADLIBS=-lpthread
case "$host" in
*-*-linux*)
AC_DEFINE(LINUX_THREADS)
AC_DEFINE(_REENTRANT)
;;
*-*-freebsd*)
AC_MSG_WARN("FreeBSD does not yet fully support threads with Boehm GC.")
AC_DEFINE(FREEBSD_THREADS)
INCLUDES=-pthread
THREADLIBS=-pthread
;;
*-*-solaris*)
AC_DEFINE(SOLARIS_THREADS)
AC_DEFINE(_SOLARIS_PTHREADS)
;;
*-*-irix*)
AC_DEFINE(IRIX_THREADS)
;;
esac
;;
decosf1 | irix | mach | os2 | solaris | win32 | dce | vxworks)
AC_MSG_ERROR(thread package $THREADS not yet supported)
;;
*)
AC_MSG_ERROR($THREADS is an unknown thread package)
;;
esac
AC_SUBST(THREADLIBS)
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 "$GC" = "boehm"; then
target_all=libgcjgc.la
fi
AC_SUBST(target_all)
dnl If the target is an eCos system, use the appropriate eCos
dnl I/O routines.
dnl FIXME: this should not be a local option but a global target
dnl system; at present there is no eCos target.
TARGET_ECOS="no"
AC_ARG_WITH(ecos,
[ --with-ecos enable runtime eCos target support],
TARGET_ECOS="$with_ecos"
)
addobjs=
CXXINCLUDES=
case "$TARGET_ECOS" in
no)
;;
*)
AC_DEFINE(ECOS)
CXXINCLUDES="-I${TARGET_ECOS}/include"
addobjs="$addobjs ecos.lo"
;;
esac
AC_SUBST(CXX)
AC_SUBST(INCLUDES)
AC_SUBST(CXXINCLUDES)
machdep=
case "$host" in
# alpha_mach_dep.s assumes that pointers are not saved in fp registers.
# Gcc on a 21264 can spill pointers to fp registers. Oops.
# alpha*-*-*)
# machdep="alpha_mach_dep.lo"
# ;;
mipstx39-*-elf*)
machdep="mips_ultrix_mach_dep.lo"
AC_DEFINE(STACKBASE, __stackbase)
AC_DEFINE(DATASTART_IS_ETEXT)
;;
mips-dec-ultrix*)
machdep="mips_ultrix_mach-dep.lo"
;;
mips-*-*)
machdep="mips_sgi_mach_dep.lo"
AC_DEFINE(NO_EXECUTE_PERMISSION)
;;
sparc-sun-solaris2.3*)
AC_DEFINE(SUNOS53_SHARED_LIB)
;;
esac
if test x"$machdep" = x; then
machdep="mach_dep.lo"
fi
addobjs="$addobjs $machdep"
AC_SUBST(addobjs)
dnl As of 4.13a2, the collector will not properly work on Solaris when
dnl built with gcc and -O. So we remove -O in the appropriate case.
case "$host" in
sparc-sun-solaris2*)
if test "$GCC" = yes; then
new_CFLAGS=
for i in $CFLAGS; do
case "$i" in
-O*)
;;
*)
new_CFLAGS="$new_CFLAGS $i"
;;
esac
done
CFLAGS="$new_CFLAGS"
fi
;;
esac
dnl We need to override the top-level CFLAGS. This is how we do it.
MY_CFLAGS="$CFLAGS"
AC_SUBST(MY_CFLAGS)
dnl Define a few things to retarget the library towards
dnl embedded Java.
AC_DEFINE(SILENT)
AC_DEFINE(NO_SIGNALS)
AC_DEFINE(JAVA_FINALIZATION)
AC_DEFINE(GC_GCJ_SUPPORT)
dnl This is something of a hack. When cross-compiling we turn off
dnl some functionality. We also enable the "small" configuration.
dnl These is only correct when targetting an embedded system. FIXME.
if test -n "${with_cross_host}"; then
AC_DEFINE(NO_SIGSET)
AC_DEFINE(NO_CLOCK)
AC_DEFINE(SMALL_CONFIG)
AC_DEFINE(NO_DEBUGGING)
fi
AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host")
if test "${multilib}" = "yes"; then
multilib_arg="--enable-multilib"
else
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.
echo "$DEFS" > boehm-cflags
if test -n "$CONFIG_FILES"; then
ac_file=Makefile . ${boehm_gc_basedir}/../config-ml.in
fi],
srcdir=${srcdir}
host=${host}
target=${target}
with_multisubdir=${with_multisubdir}
ac_configure_args="${multilib_arg} ${ac_configure_args}"
CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
boehm_gc_basedir=${boehm_gc_basedir}
CC="${CC}"
DEFS="$DEFS"
)
|
