mirror of
https://github.com/autc04/Retro68.git
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152 lines
4.1 KiB
Plaintext
152 lines
4.1 KiB
Plaintext
# This file is part of GCC.
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#
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# GCC is free software; you can redistribute it and/or modify it under
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# the terms of the GNU General Public License as published by the Free
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# Software Foundation; either version 3, or (at your option) any later
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# version.
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#
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# GCC 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
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# for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with GCC; see the file COPYING3. If not see
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# <http://www.gnu.org/licenses/>.
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#
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# Contributed by Richard Guenther <rguenther@suse.de>
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# Based on cloog.m4
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# ISL_INIT_FLAGS ()
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# -------------------------
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# Provide configure switches for ISL support.
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# Initialize isllibs/islinc according to the user input.
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AC_DEFUN([ISL_INIT_FLAGS],
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[
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AC_ARG_WITH([isl-include],
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[AS_HELP_STRING(
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[--with-isl-include=PATH],
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[Specify directory for installed ISL include files])])
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AC_ARG_WITH([isl-lib],
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[AS_HELP_STRING(
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[--with-isl-lib=PATH],
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[Specify the directory for the installed ISL library])])
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AC_ARG_ENABLE(isl-version-check,
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[AS_HELP_STRING(
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[--disable-isl-version-check],
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[disable check for ISL version])],
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ENABLE_ISL_CHECK=$enableval,
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ENABLE_ISL_CHECK=yes)
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# Initialize isllibs and islinc.
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case $with_isl in
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no)
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isllibs=
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islinc=
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;;
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"" | yes)
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;;
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*)
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isllibs="-L$with_isl/lib"
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islinc="-I$with_isl/include"
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;;
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esac
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if test "x${with_isl_include}" != x ; then
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islinc="-I$with_isl_include"
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fi
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if test "x${with_isl_lib}" != x; then
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isllibs="-L$with_isl_lib"
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fi
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dnl If no --with-isl flag was specified and there is in-tree ISL
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dnl source, set up flags to use that and skip any version tests
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dnl as we cannot run them before building ISL.
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if test "x${islinc}" = x && test "x${isllibs}" = x \
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&& test -d ${srcdir}/isl; then
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isllibs='-L$$r/$(HOST_SUBDIR)/isl/'"$lt_cv_objdir"' '
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islinc='-I$$r/$(HOST_SUBDIR)/isl/include -I$$s/isl/include'
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ENABLE_ISL_CHECK=no
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AC_MSG_WARN([using in-tree ISL, disabling version check])
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fi
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]
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)
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# ISL_REQUESTED (ACTION-IF-REQUESTED, ACTION-IF-NOT)
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# ----------------------------------------------------
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# Provide actions for failed ISL detection.
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AC_DEFUN([ISL_REQUESTED],
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[
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AC_REQUIRE([ISL_INIT_FLAGS])
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if test "x${with_isl}" = xno; then
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$2
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elif test "x${with_isl}" != x \
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|| test "x${with_isl_include}" != x \
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|| test "x${with_isl_lib}" != x ; then
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$1
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else
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$2
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fi
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]
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)
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# _ISL_CHECK_CT_PROG(MAJOR, MINOR)
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# --------------------------------------------
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# Helper for verifying ISL compile time version.
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m4_define([_ISL_CHECK_CT_PROG],[AC_LANG_PROGRAM(
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[#include <isl/version.h>
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#include <string.h>],
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[if (strncmp (isl_version (), "isl-$1.$2", strlen ("isl-$1.$2")) != 0)
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return 1;
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])])
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# ISL_CHECK_VERSION ISL_CHECK_VERSION (MAJOR, MINOR)
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# ----------------------------------------------------------------
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# Test the found ISL to be exact of version MAJOR.MINOR and at least
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# REVISION.
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AC_DEFUN([ISL_CHECK_VERSION],
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[
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if test "${ENABLE_ISL_CHECK}" = yes ; then
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_isl_saved_CFLAGS=$CFLAGS
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_isl_saved_LDFLAGS=$LDFLAGS
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_isl_saved_LIBS=$LIBS
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CFLAGS="${_isl_saved_CFLAGS} ${islinc} ${gmpinc}"
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LDFLAGS="${_isl_saved_LDFLAGS} ${isllibs}"
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LIBS="${_isl_saved_LIBS} -lisl"
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AC_MSG_CHECKING([for version $1.$2 of ISL])
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AC_RUN_IFELSE([_ISL_CHECK_CT_PROG($1,$2)],
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[gcc_cv_isl=yes],
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[gcc_cv_isl=no],
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[gcc_cv_isl=yes])
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AC_MSG_RESULT([$gcc_cv_isl])
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CFLAGS=$_isl_saved_CFLAGS
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LDFLAGS=$_isl_saved_LDFLAGS
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LIBS=$_isl_saved_LIBS
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fi
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]
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)
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# ISL_IF_FAILED (ACTION-IF-FAILED)
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# ----------------------------------
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# Executes ACTION-IF-FAILED, if GRAPHITE was requested and
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# the checks failed.
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AC_DEFUN([ISL_IF_FAILED],
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[
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ISL_REQUESTED([graphite_requested=yes], [graphite_requested=no])
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if test "${gcc_cv_isl}" = no ; then
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isllibs=
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islinc=
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fi
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if test "${graphite_requested}" = yes \
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&& test "x${isllibs}" = x \
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&& test "x${islinc}" = x ; then
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$1
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fi
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]
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)
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