1 files changed, 56 insertions, 0 deletions
diff --git a/gcc-4.9/contrib/download_prerequisites b/gcc-4.9/contrib/download_prerequisites
new file mode 100755
index 000000000..cc27143ea
--- /dev/null
+++ b/gcc-4.9/contrib/download_prerequisites
@@ -0,0 +1,56 @@
+#! /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
+
+# Necessary to build GCC.
+MPFR=mpfr-2.4.2
+GMP=gmp-4.3.2
+MPC=mpc-0.8.1
+
+wget ftp://gcc.gnu.org/pub/gcc/infrastructure/$MPFR.tar.bz2 || exit 1
+tar xjf $MPFR.tar.bz2 || exit 1
+ln -sf $MPFR mpfr || exit 1
+
+wget ftp://gcc.gnu.org/pub/gcc/infrastructure/$GMP.tar.bz2 || exit 1
+tar xjf $GMP.tar.bz2  || exit 1
+ln -sf $GMP gmp || exit 1
+
+wget ftp://gcc.gnu.org/pub/gcc/infrastructure/$MPC.tar.gz || exit 1
+tar xzf $MPC.tar.gz || exit 1
+ln -sf $MPC mpc || exit 1
+
+# Necessary to build GCC with the Graphite loop optimizations.
+if [ "$GRAPHITE_LOOP_OPT" = "yes" ] ; then
+  ISL=isl-0.12.2
+  CLOOG=cloog-0.18.1
+
+  wget ftp://gcc.gnu.org/pub/gcc/infrastructure/$ISL.tar.bz2 || exit 1
+  tar xjf $ISL.tar.bz2  || exit 1
+  ln -sf $ISL isl || exit 1
+
+  wget ftp://gcc.gnu.org/pub/gcc/infrastructure/$CLOOG.tar.gz || exit 1
+  tar xzf $CLOOG.tar.gz || exit 1
+  ln -sf $CLOOG cloog || exit 1
+fi