diff --git a/.gitignore b/.gitignore
index a2a77eb..25c6be1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -52,3 +52,8 @@ ylwrap
 *.swp
 *.rej
 *.orig
+
+# Test artifacts
+check_all
+check_all.log
+test-suite.log
diff --git a/Makefile.am b/Makefile.am
index e49b6ba..07626f3 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -334,3 +334,4 @@ if HAVE_SYSTEMD
 systemdsystemunit_DATA = radvd.service
 endif
 
+BUILT_SOURCES = gram.h scanner.c gram.c