Add makefile-mode flag for emacs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2841 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Makefile.common b/Makefile.common
index 03bca7e..5ef5fd6 100644
--- a/Makefile.common
+++ b/Makefile.common
@@ -1,4 +1,4 @@
-# Makefile.common
+#===-- Makefile.common - Common make rules for LLVM -------*- makefile -*--====
#
# This file is included by all of the LLVM makefiles. This file defines common
# rules to do things like compile a .cpp file or generate dependancy info.
@@ -20,6 +20,7 @@
# in the current directory. Also, if you want to build files in addition
# to the local files, you can use the ExtraSource variable
#
+#===-----------------------------------------------------------------------====
# Default Rule: Make sure it's also a :: rule
all ::