199 lines
4.6 KiB
Plaintext
199 lines
4.6 KiB
Plaintext
# Copyright (c) 1995, 1996 Cygnus Support
|
|
#
|
|
# The authors hereby grant permission to use, copy, modify, distribute,
|
|
# and license this software and its documentation for any purpose, provided
|
|
# that existing copyright notices are retained in all copies and that this
|
|
# notice is included verbatim in any distributions. No written agreement,
|
|
# license, or royalty fee is required for any of the authorized uses.
|
|
# Modifications to this software may be copyrighted by their authors
|
|
# and need not follow the licensing terms described here, provided that
|
|
# the new terms are clearly indicated on the first page of each file where
|
|
# they apply.
|
|
#
|
|
# Process this file with autoconf to produce a configure script.
|
|
#
|
|
AC_PREREQ(2.59)
|
|
AC_INIT(close.c)
|
|
AC_CONFIG_HEADER(config.h)
|
|
|
|
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($libgloss_topdir)
|
|
|
|
AC_CANONICAL_SYSTEM
|
|
AC_ARG_PROGRAM
|
|
|
|
AC_PROG_INSTALL
|
|
|
|
AC_DEFINE(HAVE_GNU_LD)
|
|
dnl Make sure syscall names match those being used by newlib
|
|
case "${target}" in
|
|
*-*-cygwin*)
|
|
;;
|
|
a29k-amd-udi)
|
|
;;
|
|
arc-*-*)
|
|
;;
|
|
arm-*-pe)
|
|
;;
|
|
arm-*-*)
|
|
;;
|
|
bfin-*-*)
|
|
;;
|
|
cris-*-* | crisv32-*-*)
|
|
;;
|
|
d10v*)
|
|
;;
|
|
h8300*-*-*)
|
|
;;
|
|
h8500-*-*)
|
|
;;
|
|
i[3456]86-*-sco*)
|
|
;;
|
|
lm32-*-*)
|
|
;;
|
|
m32r-*-*)
|
|
;;
|
|
mn10?00-*-*)
|
|
;;
|
|
powerpcle-*-pe)
|
|
;;
|
|
sh*-*-*)
|
|
;;
|
|
sparc-sun-sunos*)
|
|
;;
|
|
sparc64-*-*)
|
|
;;
|
|
v850*-*-*)
|
|
;;
|
|
w65-*-*)
|
|
;;
|
|
xstormy16-*-*)
|
|
;;
|
|
z8k-*-*)
|
|
;;
|
|
*)
|
|
AC_DEFINE(MISSING_SYSCALL_NAMES)
|
|
;;
|
|
esac
|
|
|
|
dnl Make sure we know if elf format used
|
|
case "${target}" in
|
|
*-*-elf)
|
|
AC_DEFINE(HAVE_ELF)
|
|
|
|
AC_CACHE_CHECK([for .previous assembler directive],
|
|
libc_cv_asm_previous_directive, [dnl
|
|
libc_cv_asm_previous_directive=no
|
|
cat > conftest.s <<EOF
|
|
.section foo_section
|
|
.previous
|
|
EOF
|
|
if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.s 1>&AC_FD_CC); then
|
|
libc_cv_asm_previous_directive=yes
|
|
fi
|
|
rm -f conftest*])
|
|
|
|
if test "x${libc_cv_asm_previous_directive}" = "xyes"; then
|
|
AC_DEFINE(HAVE_ASM_PREVIOUS_DIRECTIVE)
|
|
fi
|
|
|
|
AC_CACHE_CHECK([for .popsection assembler directive],
|
|
libc_cv_asm_popsection_directive, [dnl
|
|
libc_cv_asm_popsection_directive=no
|
|
cat > conftest.s <<EOF
|
|
.pushsection foo_section
|
|
.popsection
|
|
EOF
|
|
if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.s 1>&AC_FD_CC); then
|
|
libc_cv_asm_popsection_directive=yes
|
|
fi
|
|
rm -f conftest*])
|
|
|
|
if test "x${libc_cv_asm_popsection_directive}" = "xyes"; then
|
|
AC_DEFINE(HAVE_ASM_POPSECTION_DIRECTIVE)
|
|
fi
|
|
|
|
AC_CACHE_CHECK([for section attributes],
|
|
libc_cv_section_attributes, [dnl
|
|
libc_cv_section_attributes=no
|
|
cat > conftest.c <<EOF
|
|
int secttest __attribute__ ((section (".gnu.warning.secttest"))) = 10;
|
|
int main() {}
|
|
EOF
|
|
if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.c 1>&AC_FD_CC); then
|
|
libc_cv_section_attributes=yes
|
|
fi
|
|
rm -f conftest*])
|
|
if test "x${libc_cv_section_attributes}" = "xyes"; then
|
|
AC_DEFINE(HAVE_SECTION_ATTRIBUTES)
|
|
fi
|
|
;;
|
|
esac
|
|
|
|
AC_CACHE_CHECK([for symbol prefix], libc_symbol_prefix, [dnl
|
|
cat > conftest.c <<\EOF
|
|
foo () { }
|
|
EOF
|
|
dnl
|
|
libc_symbol_prefix=none
|
|
if AC_TRY_COMMAND([${CC-cc} -S conftest.c -o - | fgrep "\$foo" > /dev/null]);
|
|
then
|
|
libc_symbol_prefix='$'
|
|
else
|
|
if AC_TRY_COMMAND([${CC-cc} -S conftest.c -o - | fgrep "_foo" > /dev/null]);
|
|
then
|
|
libc_symbol_prefix=_
|
|
fi
|
|
fi
|
|
rm -f conftest* ])
|
|
if test $libc_symbol_prefix != none; then
|
|
AC_DEFINE_UNQUOTED(__SYMBOL_PREFIX, "$libc_symbol_prefix")
|
|
else
|
|
AC_DEFINE(__SYMBOL_PREFIX, "")
|
|
fi
|
|
|
|
LIB_AC_PROG_CC
|
|
AS=${AS-as}
|
|
AC_SUBST(AS)
|
|
AR=${AR-ar}
|
|
AC_SUBST(AR)
|
|
LD=${LD-ld}
|
|
AC_SUBST(LD)
|
|
AC_PROG_RANLIB
|
|
LIB_AM_PROG_AS
|
|
|
|
host_makefile_frag=${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)
|
|
|
|
AC_CONFIG_FILES(Makefile,
|
|
ac_file=Makefile . ${libgloss_topdir}/config-ml.in,
|
|
srcdir=${srcdir}
|
|
target=${target}
|
|
with_multisubdir=${with_multisubdir}
|
|
ac_configure_args="${ac_configure_args} --enable-multilib"
|
|
CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
|
|
libgloss_topdir=${libgloss_topdir}
|
|
)
|
|
AC_OUTPUT
|
|
|
|
|