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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.17.0/] [libgloss/] [or32/] [configure.in] - Rev 204

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# configure.in. Autoconf input file.

# Copyright (c) 1995, 1996 Cygnus Support
# Copyright (C) 2004, Jacob Bower
# Copyright (C) 2010, Embecosm Limited <info@embecosm.com>
 
# Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>
  
# This file is part of Newlib.

# The original work by Jacob Bower is provided as-is without any kind of
# warranty. Use it at your own risk!

# All subsequent work is bound by version 3 of the GPL as follows.
 
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the Free
# Software Foundation; either version 3 of the License, or (at your option)
# any later version.

# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
# more details.

# You should have received a copy of the GNU General Public License along
# with this program.  If not, see <http:#www.gnu.org/licenses/>.

dnl Process this file with autoconf to produce a configure script.
AC_PREREQ(2.59)
AC_INIT(libor32.a,0.2.0)
AC_CONFIG_HEADER(config.h)

# No shared libraries allowed
if test "${enable_shared}" = "yes" ; then
    echo "Shared libraries not supported for cross compiling, ignored"
fi

# Where are the auxillary tools (confg.sub etc)?
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_TARGET

AC_ARG_PROGRAM
AC_PROG_INSTALL

AC_DEFINE(HAVE_GNU_LD, 1, [Using GNU ld])

# We always use ELF, define various useful associated things.
AC_DEFINE(HAVE_ELF, 1, [Using ELF format])

# Sort out what the symbol prefix is (we could just fix it as '_', but let the
# script work it out.
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", [symbol prefix])
else
  AC_DEFINE(__SYMBOL_PREFIX, "", [symbol prefix])
fi

# Standard stuff copied from libnosys. For this we'll need an aclocal.m4
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

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