Fix PR608:
Previously the script assumed the version number was the last field, now
it assumes it is the first sequence of digits.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22527 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/configure b/configure
index d93b4d8..023cdd0 100755
--- a/configure
+++ b/configure
@@ -24842,7 +24842,7 @@
 
 if test "$GCC" = "yes"
 then
-  gccmajor=`$CC --version | head -n 1 | awk '{print $NF;}' | cut -d. -f1`
+  gccmajor=`$CC --version | head -n 1 | sed 's/[^0-9]*\([0-9.]\).*/\1/'`
   if test "$gccmajor" -lt "3"
   then
     { { echo "$as_me:$LINENO: error: gcc 3.x required, but you have a lower version" >&5