diff --git a/build-aux/snippet/.gitignore b/build-aux/snippet/.gitignore
new file mode 100644
index 00000000..2a3a2f91
--- /dev/null
+++ b/build-aux/snippet/.gitignore
@@ -0,0 +1,4 @@
+/_Noreturn.h
+/arg-nonnull.h
+/c++defs.h
+/warn-on-use.h
diff --git a/lib/glthread/.gitignore b/lib/glthread/.gitignore
new file mode 100644
index 00000000..e0605e15
--- /dev/null
+++ b/lib/glthread/.gitignore
@@ -0,0 +1,3 @@
+/lock.c
+/lock.h
+/threadlib.c