1 files changed, 2 insertions, 0 deletions

diff --git a/glcpp.c b/glcpp.c
index 90a0e89cfa..eefac74be9 100644
--- a/glcpp.c
+++ b/glcpp.c
@@ -21,6 +21,8 @@
  * DEALINGS IN THE SOFTWARE.
  */
 
+#include "glcpp.h"
+
 int
 main (void)
 {