diff --git a/.gitignore b/.gitignore
index 3f492ca..7a5e6ba 100644
--- a/.gitignore
+++ b/.gitignore
@@ -47,6 +47,10 @@ winbuild/configuration.xml
 /psqlodbcw.la
 /stamp-h1
 
+# Files taken from Postgres tree
+!/config/c-library.m4
+!/config/general.m4
+
 # VC build tools (nmake, cl, link,lib etc) generate
 *.obj
 *.lib