diff --git a/tests/other_src.c b/tests/other_src.c
new file mode 100644
index 0000000..0a74ada
--- /dev/null
+++ b/tests/other_src.c
@@ -0,0 +1,5 @@
+/* For adding all necessary source files.
+ * I could just do symlinks rather than this.
+ */
+
+#include "../src/lenstr.c"