Fix PR608:

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

llvm-svn: 22527

llvm/autoconf/configure.ac

@@ -404,7 +404,7 @@ fi
 dnl Verify that GCC is version 3.0 or higher
 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
     AC_MSG_ERROR([gcc 3.x required, but you have a lower version])

llvm/configure

@@ -24842,7 +24842,7 @@ fi
 
 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

llvm/include/llvm/Config/config.h.in

@@ -449,9 +449,9 @@
 /* If using the C implementation of alloca, define if you know the
    direction of stack growth for your system; otherwise it will be
    automatically deduced at run-time.
-        STACK_DIRECTION > 0 => grows toward higher addresses
-        STACK_DIRECTION < 0 => grows toward lower addresses
-        STACK_DIRECTION = 0 => direction of growth unknown */
+	STACK_DIRECTION > 0 => grows toward higher addresses
+	STACK_DIRECTION < 0 => grows toward lower addresses
+	STACK_DIRECTION = 0 => direction of growth unknown */
 #undef STACK_DIRECTION
 
 /* Define to 1 if the `S_IS*' macros in <sys/stat.h> do not work properly. */