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|
dnl Process this file with autoconf to produce a configure script.
AC_PREREQ(2.7)dnl
AC_INIT(README)
if test "${enable_shared}" = "yes" ; then
echo "Shared libraries not supported for cross compiling, ignored"
fi
if test "${srcdir}" = "." ; then
if test "${with_target_subdir}" != "." ; then
libgloss_topdir="${srcdir}/${with_multisrctop}../.."
else
libgloss_topdir="${srcdir}/${with_multisrctop}.."
fi
else
libgloss_topdir="${srcdir}/.."
fi
AC_CONFIG_AUX_DIR($libgloss_topdir)
AC_PROG_INSTALL
AC_CANONICAL_SYSTEM
if test -z "${with_multisubdir}" ; then
configdirs="doc libnosys"
else
configdirs="libnosys"
fi
case "${target}" in
fido-*-*)
configdirs="${configdirs} m68k testsuite"
;;
i[[3456]]86-*-elf*|i[[3456]]86-*-coff*)
configdirs="${configdirs} i386 testsuite";
;;
m32r-*-*)
configdirs="${configdirs} m32r testsuite"
;;
m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
configdirs="m68hc11 testsuite"
;;
m68*-*-*)
configdirs="${configdirs} m68k testsuite"
;;
hppa*-*-pro*)
configdirs="${configdirs} pa testsuite"
;;
i960-*-coff)
configdirs="${configdirs} i960 testsuite"
;;
sparc-*-elf*)
configdirs="${configdirs} sparc testsuite"
;;
sparc64-*-elf*)
configdirs="${configdirs} sparc testsuite"
;;
sparc86x-*-*)
configdirs="${configdirs} sparc testsuite"
;;
sparclite-*-*)
configdirs="${configdirs} sparc testsuite"
;;
sparclet-*-aout*)
configdirs="${configdirs} sparc sparc/libsys testsuite"
;;
*arm-wince-pe)
configdirs="wince"
;;
*arm-*-*)
configdirs="${configdirs} arm"
;;
sh*-*-pe)
configdirs="wince"
;;
mips*-*-pe)
configdirs="wince"
;;
mips*-*-*)
configdirs="${configdirs} mips testsuite"
;;
powerpc-*-*|powerpcle-*-*)
configdirs="${configdirs} rs6000 testsuite"
;;
mn10200-*-*)
configdirs="${configdirs} mn10200 testsuite"
;;
mn10300-*-*)
configdirs="${configdirs} mn10300 testsuite"
;;
cris-*-* | crisv32-*-*)
configdirs="${configdirs} cris testsuite"
;;
crx-*-*)
configdirs="${configdirs} crx"
;;
d30v-*-*)
configdirs="${configdirs} d30v testsuite"
;;
fr30-*-*)
configdirs="${configdirs} fr30 testsuite"
;;
frv*-*-*)
configdirs="${configdirs} frv testsuite"
;;
mcore-*-*)
configdirs="${configdirs} mcore testsuite"
;;
mt-*-*)
configdirs="${configdirs} mt testsuite";;
xstormy16-*-*)
configdirs="${configdirs} xstormy16 testsuite"
;;
m32c-*-*)
configdirs="${configdirs} m32c testsuite"
;;
strongarm-*-elf | strongarm-*-coff)
configdirs="${configdirs} arm testsuite";
;;
arm*-*-elf | arm*-*-coff)
configdirs="${configdirs} arm testsuite";
;;
ep9312-*-elf | ep9312-*-coff)
configdirs="${configdirs} arm testsuite";
;;
xscale-*-elf | xscale-*-coff)
configdirs="${configdirs} arm testsuite";
;;
iq2000-*-*)
configdirs="${configdirs} iq2000 testsuite";;
esac
# temporarily strip out testsuite
configdirs=`echo $configdirs | sed 's/testsuite//'`
AC_CONFIG_SUBDIRS($configdirs)
# FIXME: We temporarily define our own version of AC_PROG_CC. This is
# copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We
# are probably using a cross compiler, which will not be able to fully
# link an executable. This should really be fixed in autoconf
# itself.
AC_DEFUN(LIB_AC_PROG_CC,
[AC_BEFORE([$0], [AC_PROG_CPP])dnl
AC_CHECK_PROG(CC, gcc, gcc)
if test -z "$CC"; then
AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc)
test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])
fi
AC_PROG_CC_GNU
if test $ac_cv_prog_gcc = yes; then
GCC=yes
dnl Check whether -g works, even if CFLAGS is set, in case the package
dnl plays around with CFLAGS (such as to build both debugging and
dnl normal versions of a library), tasteless as that idea is.
ac_test_CFLAGS="${CFLAGS+set}"
ac_save_CFLAGS="$CFLAGS"
CFLAGS=
AC_PROG_CC_G
if test "$ac_test_CFLAGS" = set; then
CFLAGS="$ac_save_CFLAGS"
elif test $ac_cv_prog_cc_g = yes; then
CFLAGS="-g -O2"
else
CFLAGS="-O2"
fi
else
GCC=
test "${CFLAGS+set}" = set || CFLAGS="-g"
fi
])
LIB_AC_PROG_CC
AS=${AS-as}
AC_SUBST(AS)
AC_CHECK_PROG(AR, ar, ar, :)
AR=${AR-ar}
AC_SUBST(AR)
LD=${LD-ld}
AC_SUBST(LD)
AC_PROG_RANLIB
AC_CACHE_CHECK(for .preinit_array/.init_array/.fini_array support,
libc_cv_initfinit_array, [dnl
cat > conftest.c <<EOF
int _start (void) { return 0; }
int __start (void) { return 0; }
int foo (void) { return 1; }
int (*fp) (void) __attribute__ ((section (".init_array"))) = foo;
EOF
if AC_TRY_COMMAND([${CC} $CFLAGS $CPPFLAGS $LDFLAGS -o conftest conftest.c
-static -nostartfiles -nostdlib 1>&AS_MESSAGE_LOG_FD])
then
if readelf -S conftest | grep -e INIT_ARRAY > /dev/null; then
libc_cv_initfinit_array=yes
else
libc_cv_initfinit_array=no
fi
else
libc_cv_initfinit_array=no
fi
rm -f conftest*])
AC_SUBST(libc_cv_initfinit_array)
if test $libc_cv_initfinit_array = yes; then
AC_DEFINE_UNQUOTED(HAVE_INITFINI_ARRAY)
fi
host_makefile_frag=${srcdir}/config/default.mh
dnl We have to assign the same value to other variables because autoconf
dnl doesn't provide a mechanism to substitute a replacement keyword with
dnl arbitrary data or pathnames.
dnl
host_makefile_frag_path=$host_makefile_frag
AC_SUBST(host_makefile_frag_path)
AC_SUBST_FILE(host_makefile_frag)
# for now, only add multilibs for specific targets
AC_OUTPUT(Makefile,
. ${libgloss_topdir}/config-ml.in,
srcdir=${srcdir}
target=${target}
with_multisubdir=${with_multisubdir}
ac_configure_args="--enable-multilib ${ac_configure_args}"
CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
libgloss_topdir=${libgloss_topdir}
)
|