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# configure.in. Autoconf input file.
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# Copyright (C) 2004, Jacob Bower
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# Copyright (C) 2010, Embecosm Limited
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# Contributor Jeremy Bennett
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# This file is part of Newlib.
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# The original work by Jacob Bower is provided as-is without any kind of
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# warranty. Use it at your own risk!
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# All subsequent work is bound by version 3 of the GPL as follows.
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# This program is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by the Free
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# Software Foundation; either version 3 of the License, or (at your option)
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# any later version.
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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# more details.
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# You should have received a copy of the GNU General Public License along
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# with this program. If not, see .
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dnl Process this file with autoconf to produce a configure script.
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dnl Process this file with autoconf to produce a configure script.
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AC_PREREQ(2.59)
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AC_PREREQ(2.59)
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AC_INIT(crt0.s)
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AC_INIT(libor32.a,0.2.0)
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AC_CONFIG_HEADER(config.h)
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AC_CANONICAL_SYSTEM
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# No shared libraries allowed
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AC_ARG_PROGRAM
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if test "${enable_shared}" = "yes" ; then
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echo "Shared libraries not supported for cross compiling, ignored"
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fi
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# Where are the auxillary tools (confg.sub etc)?
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if test "$srcdir" = "." ; then
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if test "$srcdir" = "." ; then
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mdir=`echo "${with_multisubdir}/" \
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if test "${with_target_subdir}" != "." ; then
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libgloss_topdir="${srcdir}/${with_multisrctop}../../.."
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AC_CONFIG_AUX_DIR(${mdir}../../..)
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else
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libgloss_topdir="${srcdir}/${with_multisrctop}../.."
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fi
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else
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else
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AC_CONFIG_AUX_DIR(${srcdir}/../..)
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libgloss_topdir="${srcdir}/../.."
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fi
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fi
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AC_CONFIG_AUX_DIR($libgloss_topdir)
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AC_CANONICAL_SYSTEM
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AC_ARG_PROGRAM
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AC_PROG_INSTALL
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AC_PROG_INSTALL
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AC_DEFINE(HAVE_GNU_LD, 1, [Using GNU ld])
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# We always use ELF, define various useful associated things.
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AC_DEFINE(HAVE_ELF, 1, [Using ELF format])
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# Sort out what the symbol prefix is (we could just fix it as '_', but let the
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# script work it out.
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AC_CACHE_CHECK([for symbol prefix], libc_symbol_prefix, [dnl
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cat > conftest.c <<\EOF
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foo () { }
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EOF
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dnl
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libc_symbol_prefix=none
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if AC_TRY_COMMAND([${CC-cc} -S conftest.c -o - | fgrep "\$foo" > /dev/null]);
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then
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libc_symbol_prefix='$'
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else
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if AC_TRY_COMMAND([${CC-cc} -S conftest.c -o - | fgrep "_foo" > /dev/null]);
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then
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libc_symbol_prefix=_
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fi
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fi
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rm -f conftest* ])
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if test $libc_symbol_prefix != none; then
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AC_DEFINE_UNQUOTED(__SYMBOL_PREFIX, "$libc_symbol_prefix", [symbol prefix])
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else
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AC_DEFINE(__SYMBOL_PREFIX, "", [symbol prefix])
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fi
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# Standard stuff copied from libnosys. For this we'll need an aclocal.m4
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LIB_AC_PROG_CC
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LIB_AC_PROG_CC
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AS=${AS-as}
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AS=${AS-as}
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AC_SUBST(AS)
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AC_SUBST(AS)
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AR=${AR-ar}
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AR=${AR-ar}
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AC_SUBST(AR)
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AC_SUBST(AR)
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dnl
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dnl
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host_makefile_frag_path=$host_makefile_frag
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host_makefile_frag_path=$host_makefile_frag
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AC_SUBST(host_makefile_frag_path)
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AC_SUBST(host_makefile_frag_path)
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AC_SUBST_FILE(host_makefile_frag)
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AC_SUBST_FILE(host_makefile_frag)
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AC_CONFIG_FILES(Makefile)
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AC_CONFIG_FILES(Makefile,
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ac_file=Makefile . ${libgloss_topdir}/config-ml.in,
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srcdir=${srcdir}
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target=${target}
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with_multisubdir=${with_multisubdir}
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ac_configure_args="${ac_configure_args} --enable-multilib"
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CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
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libgloss_topdir=${libgloss_topdir})
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AC_OUTPUT
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AC_OUTPUT
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