new development tools

cross/patch/gcc/contrib/download_prerequisites

@@ -0,0 +1,71 @@
+#! /bin/sh
+
+# Download some prerequisites needed by gcc.
+# Run this from the top level of the gcc source tree and the gcc
+# build will do the right thing.
+#
+# (C) 2010 Free Software Foundation
+#
+# This program 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 of the License, or
+# (at your option) any later version.
+# 
+# This program 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 this program. If not, see http://www.gnu.org/licenses/.
+
+# If you want to build GCC with the Graphite loop optimizations,
+# set GRAPHITE_LOOP_OPT=yes to download optional prerequisties
+# ISL Library and CLooG.
+GRAPHITE_LOOP_OPT=yes
+
+if [ ! -e gcc/BASE-VER ] ; then
+	echo "You must run this script in the top level GCC source directory."
+	exit 1
+fi
+
+# Necessary to build GCC.
+MPFR=mpfr-2.4.2
+GMP=gmp-4.3.2
+MPC=mpc-0.8.1
+
+if [ ! -d $MPFR ]; then
+	wget http://ftp.mirrorservice.org/sites/sourceware.org/pub/gcc/infrastructure/$MPFR.tar.bz2 || exit 1
+	tar xjf $MPFR.tar.bz2 || exit 1
+	ln -sf $MPFR mpfr || exit 1
+fi
+
+if [ ! -d $GMP ]; then
+	wget http://ftp.mirrorservice.org/sites/sourceware.org/pub/gcc/infrastructure/$GMP.tar.bz2 || exit 1
+	tar xjf $GMP.tar.bz2  || exit 1
+	ln -sf $GMP gmp || exit 1
+fi
+
+if [ ! -d $MPC ]; then
+	wget http://ftp.mirrorservice.org/sites/sourceware.org/pub/gcc/infrastructure/$MPC.tar.gz || exit 1
+	tar xzf $MPC.tar.gz || exit 1
+	ln -sf $MPC mpc || exit 1
+fi
+
+# Necessary to build GCC with the Graphite loop optimizations.
+if [ "$GRAPHITE_LOOP_OPT" = "yes" ] ; then
+	ISL=isl-0.12.2
+	CLOOG=cloog-0.18.1
+
+	if [ ! -d $ISL ]; then
+		wget http://ftp.mirrorservice.org/sites/sourceware.org/pub/gcc/infrastructure/$ISL.tar.bz2 || exit 1
+		tar xjf $ISL.tar.bz2  || exit 1
+		ln -sf $ISL isl || exit 1
+	fi
+
+	if [ ! -d $CLOOG ]; then
+		wget http://ftp.mirrorservice.org/sites/sourceware.org/pub/gcc/infrastructure/$CLOOG.tar.gz || exit 1
+		tar xzf $CLOOG.tar.gz || exit 1
+		ln -sf $CLOOG cloog || exit 1
+	fi
+fi