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-rwxr-xr-xcontrib/download_prerequisites5
1 files changed, 5 insertions, 0 deletions
diff --git a/contrib/download_prerequisites b/contrib/download_prerequisites
index de0e7c41847..69403301b81 100755
--- a/contrib/download_prerequisites
+++ b/contrib/download_prerequisites
@@ -24,6 +24,11 @@
# be downloaded.
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