Ensure that the automatic "CVS build" detection works for both
objdir == srcdir and objdir != srcdir.

llvm-svn: 27516
diff --git a/llvm/configure b/llvm/configure
index 4ba2da8..11d6020 100755
--- a/llvm/configure
+++ b/llvm/configure
@@ -2968,7 +2968,7 @@
 esac
 
 
-if test -d "CVS" ; then
+if test -d "CVS" -o -d "${srcdir}/CVS"; then
   cvsbuild="yes"
   optimize="no"
   asserts="yes"