diff --git a/.gitattributes b/.gitattributes
index b500958..be679a0 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,2 +1,9 @@
 *.c linguist-detectable=true
 *.h linguist-detectable=true
+config* linguist-vendored
+depcomp linguist-vendored
+install-sh linguist-vendored
+ltmain.sh linguist-vendored
+missing linguist-vendored
+mkinstalldirs linguist-vendored
+