diff --git a/Makefile b/Makefile
index d30a28a..0474cf5 100644
--- a/Makefile
+++ b/Makefile
@@ -1 +1,3 @@
 include /ioc/tools/driver.makefile
+
+HEADERS += require.h
diff --git a/require.c b/require.c
index 974dcd3..79c5f4e 100644
--- a/require.c
+++ b/require.c
@@ -7,6 +7,7 @@
 #include <stat.h>
 #include <stdio.h>
 #include <string.h>
+#include <require.h>
 
 int dbLoadDatabase(char *filename, char *path, char *substitutions);
 
diff --git a/require.h b/require.h
new file mode 100644
index 0000000..37eef6c
--- /dev/null
+++ b/require.h
@@ -0,0 +1,6 @@
+#ifndef require_h
+#define require_h
+
+int require(char* lib, char* version);
+
+#endif