diff --git a/llvm-2.6-timestamp.patch b/llvm-2.6-timestamp.patch
new file mode 100644
index 0000000..ab0979e
--- /dev/null
+++ b/llvm-2.6-timestamp.patch
@@ -0,0 +1,11 @@
+--- llvm-2.6/Makefile.rules.timestamp	2009-08-19 18:04:44.000000000 -0400
++++ llvm-2.6/Makefile.rules	2009-09-09 02:10:38.287389725 -0400
+@@ -672,7 +672,7 @@
+ 
+ ProgInstall   = $(INSTALL) $(Install.StripFlag) -m 0755
+ ScriptInstall = $(INSTALL) -m 0755
+-DataInstall   = $(INSTALL) -m 0644
++DataInstall   = $(INSTALL) -p -m 0644
+ 
+ # When compiling under Mingw/Cygwin, the tblgen tool expects Windows
+ # paths. In this case, the SYSPATH function (defined in