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# Makefile for libgloss/epiphany
# Copyright (c) 2011, Adapteva, Inc.
# All rights reserved.
# Contributor Jeremy Bennett <jeremy.bennett@embecosm.com> for Adapteva Inc
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# * Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# * Neither the name of Adapteva nor the names of its contributors may be
# used to endorse or promote products derived from this software without
# specific prior written permission.
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE. */
# Process this file with autoconf to produce a configure script
AC_INIT(libepiphany,0.0.1)
AC_CONFIG_HEADER(config.h)
AC_CONFIG_AUX_DIR(../..)
AC_CANONICAL_SYSTEM
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])
# Assembler directives (the assembler handles them, whether it does anything
# useful with them is another matter...
AC_DEFINE(HAVE_ASM_PREVIOUS_DIRECTIVE, 1, [.previous directive allowed])
AC_DEFINE(HAVE_ASM_POPSECTION_DIRECTIVE, 1,
[.pushsection/.popsection directives allowed])
# Section attributes in C don't currently work
#AC_DEFINE(HAVE_SECTION_ATTRIBUTES, 1, [support for section attributes])
# 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_cv_symbol_prefix, [dnl
cat > conftest.c <<\EOF
foo () { }
EOF
dnl
libc_cv_symbol_prefix=none
if AC_TRY_COMMAND([${CC-cc} -S conftest.c -o - | fgrep "\$foo" > /dev/null]);
then
libc_cv_symbol_prefix='$'
else
if AC_TRY_COMMAND([${CC-cc} -S conftest.c -o - | fgrep "_foo" > /dev/null]);
then
libc_cv_symbol_prefix=_
fi
fi
rm -f conftest* ])
if test $libc_cv_symbol_prefix != none; then
AC_DEFINE_UNQUOTED(__SYMBOL_PREFIX, "$libc_cv_symbol_prefix", [symbol prefix])
else
AC_DEFINE(__SYMBOL_PREFIX, "", [symbol prefix])
fi
# Standard stuff copied from libnosys. For this we'll need to 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 . ${srcdir}/../../config-ml.in,
srcdir=${srcdir}
target=${target}
with_multisubdir=${with_multisubdir}
ac_configure_args="${ac_configure_args} --enable-multilib"
CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
)
AC_OUTPUT
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