ignore file that is generated on Macs
diff --git a/.gitignore b/.gitignore
index 7ab4ca0..2920e45 100644
--- a/.gitignore
+++ b/.gitignore
@@ -38,6 +38,7 @@ lib/c++defs.h
lib/libgnu.a
lib/signal.h
lib/string.h
+lib/stdint.h
lib/warn-on-use.h
mkinstalldirs