Don't ignore a file
diff --git a/.gitignore b/.gitignore
index 9c6f28f..5d39689 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,6 +9,7 @@
 Makefile.in
 aclocal.m4
 compile
+!.travis/compile
 configure
 depcomp
 doc/libffi.info