128 lines
4.3 KiB
Plaintext
128 lines
4.3 KiB
Plaintext
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# Makefile for libgloss/epiphany
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# Copyright (c) 2011, Adapteva, Inc.
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# All rights reserved.
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# Contributor Jeremy Bennett <jeremy.bennett@embecosm.com> for Adapteva Inc
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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# * Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of Adapteva nor the names of its contributors may be
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# used to endorse or promote products derived from this software without
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# specific prior written permission.
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE. */
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# Process this file with autoconf to produce a configure script
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AC_PREREQ(2.59)
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AC_INIT(libepiphany,0.0.1)
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AC_CONFIG_HEADER(config.h)
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# No shared libraries allowed
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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 "${with_target_subdir}" != "." ; then
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libgloss_topdir="${srcdir}/${with_multisrctop}../../.."
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else
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libgloss_topdir="${srcdir}/${with_multisrctop}../.."
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fi
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else
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libgloss_topdir="${srcdir}/../.."
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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_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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# Assembler directives (the assembler handles them, whether it does anything
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# useful with them is another matter...
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AC_DEFINE(HAVE_ASM_PREVIOUS_DIRECTIVE, 1, [.previous directive allowed])
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AC_DEFINE(HAVE_ASM_POPSECTION_DIRECTIVE, 1,
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[.pushsection/.popsection directives allowed])
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# Section attributes in C don't currently work
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#AC_DEFINE(HAVE_SECTION_ATTRIBUTES, 1, [support for section attributes])
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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 to an aclocal.m4
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LIB_AC_PROG_CC
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AS=${AS-as}
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AC_SUBST(AS)
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AR=${AR-ar}
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AC_SUBST(AR)
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LD=${LD-ld}
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AC_SUBST(LD)
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AC_PROG_RANLIB
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LIB_AM_PROG_AS
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host_makefile_frag=${srcdir}/../config/default.mh
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dnl We have to assign the same value to other variables because autoconf
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dnl doesn't provide a mechanism to substitute a replacement keyword with
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dnl arbitrary data or pathnames.
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dnl
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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_FILE(host_makefile_frag)
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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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)
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AC_OUTPUT
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