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Unified Diff: config/isl.m4

Issue 124383005: GDB 7.6.50 (Closed) Base URL: http://git.chromium.org/native_client/nacl-gdb.git@upstream
Patch Set: Created 6 years, 11 months ago
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Index: config/isl.m4
diff --git a/config/isl.m4 b/config/isl.m4
new file mode 100644
index 0000000000000000000000000000000000000000..f45854d222bf7773d12d7f27037d38a709a68efd
--- /dev/null
+++ b/config/isl.m4
@@ -0,0 +1,151 @@
+# This file is part of GCC.
+#
+# GCC 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, or (at your option) any later
+# version.
+#
+# GCC 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 GCC; see the file COPYING3. If not see
+# <http://www.gnu.org/licenses/>.
+#
+# Contributed by Richard Guenther <rguenther@suse.de>
+# Based on cloog.m4
+
+# ISL_INIT_FLAGS ()
+# -------------------------
+# Provide configure switches for ISL support.
+# Initialize isllibs/islinc according to the user input.
+AC_DEFUN([ISL_INIT_FLAGS],
+[
+ AC_ARG_WITH([isl-include],
+ [AS_HELP_STRING(
+ [--with-isl-include=PATH],
+ [Specify directory for installed ISL include files])])
+ AC_ARG_WITH([isl-lib],
+ [AS_HELP_STRING(
+ [--with-isl-lib=PATH],
+ [Specify the directory for the installed ISL library])])
+
+ AC_ARG_ENABLE(isl-version-check,
+ [AS_HELP_STRING(
+ [--disable-isl-version-check],
+ [disable check for ISL version])],
+ ENABLE_ISL_CHECK=$enableval,
+ ENABLE_ISL_CHECK=yes)
+
+ # Initialize isllibs and islinc.
+ case $with_isl in
+ no)
+ isllibs=
+ islinc=
+ ;;
+ "" | yes)
+ ;;
+ *)
+ isllibs="-L$with_isl/lib"
+ islinc="-I$with_isl/include"
+ ;;
+ esac
+ if test "x${with_isl_include}" != x ; then
+ islinc="-I$with_isl_include"
+ fi
+ if test "x${with_isl_lib}" != x; then
+ isllibs="-L$with_isl_lib"
+ fi
+ dnl If no --with-isl flag was specified and there is in-tree ISL
+ dnl source, set up flags to use that and skip any version tests
+ dnl as we cannot run them before building ISL.
+ if test "x${islinc}" = x && test "x${isllibs}" = x \
+ && test -d ${srcdir}/isl; then
+ isllibs='-L$$r/$(HOST_SUBDIR)/isl/'"$lt_cv_objdir"' '
+ islinc='-I$$r/$(HOST_SUBDIR)/isl/include -I$$s/isl/include'
+ ENABLE_ISL_CHECK=no
+ AC_MSG_WARN([using in-tree ISL, disabling version check])
+ fi
+]
+)
+
+# ISL_REQUESTED (ACTION-IF-REQUESTED, ACTION-IF-NOT)
+# ----------------------------------------------------
+# Provide actions for failed ISL detection.
+AC_DEFUN([ISL_REQUESTED],
+[
+ AC_REQUIRE([ISL_INIT_FLAGS])
+
+ if test "x${with_isl}" = xno; then
+ $2
+ elif test "x${with_isl}" != x \
+ || test "x${with_isl_include}" != x \
+ || test "x${with_isl_lib}" != x ; then
+ $1
+ else
+ $2
+ fi
+]
+)
+
+# _ISL_CHECK_CT_PROG(MAJOR, MINOR)
+# --------------------------------------------
+# Helper for verifying ISL compile time version.
+m4_define([_ISL_CHECK_CT_PROG],[AC_LANG_PROGRAM(
+ [#include <isl/version.h>
+ #include <string.h>],
+ [if (strncmp (isl_version (), "isl-$1.$2", strlen ("isl-$1.$2")) != 0)
+ return 1;
+ ])])
+
+# ISL_CHECK_VERSION ISL_CHECK_VERSION (MAJOR, MINOR)
+# ----------------------------------------------------------------
+# Test the found ISL to be exact of version MAJOR.MINOR and at least
+# REVISION.
+AC_DEFUN([ISL_CHECK_VERSION],
+[
+ if test "${ENABLE_ISL_CHECK}" = yes ; then
+ _isl_saved_CFLAGS=$CFLAGS
+ _isl_saved_LDFLAGS=$LDFLAGS
+ _isl_saved_LIBS=$LIBS
+
+ CFLAGS="${_isl_saved_CFLAGS} ${islinc} ${gmpinc}"
+ LDFLAGS="${_isl_saved_LDFLAGS} ${isllibs}"
+ LIBS="${_isl_saved_LIBS} -lisl"
+
+ AC_MSG_CHECKING([for version $1.$2 of ISL])
+ AC_RUN_IFELSE([_ISL_CHECK_CT_PROG($1,$2)],
+ [gcc_cv_isl=yes],
+ [gcc_cv_isl=no],
+ [gcc_cv_isl=yes])
+ AC_MSG_RESULT([$gcc_cv_isl])
+
+ CFLAGS=$_isl_saved_CFLAGS
+ LDFLAGS=$_isl_saved_LDFLAGS
+ LIBS=$_isl_saved_LIBS
+ fi
+]
+)
+
+# ISL_IF_FAILED (ACTION-IF-FAILED)
+# ----------------------------------
+# Executes ACTION-IF-FAILED, if GRAPHITE was requested and
+# the checks failed.
+AC_DEFUN([ISL_IF_FAILED],
+[
+ ISL_REQUESTED([graphite_requested=yes], [graphite_requested=no])
+
+ if test "${gcc_cv_isl}" = no ; then
+ isllibs=
+ islinc=
+ fi
+
+ if test "${graphite_requested}" = yes \
+ && test "x${isllibs}" = x \
+ && test "x${islinc}" = x ; then
+ $1
+ fi
+]
+)
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