Index: Makefile
===================================================================
--- Makefile	(revision 498700)
+++ Makefile	(working copy)
@@ -18,6 +18,7 @@
 TEST_DEPENDS=	p5-Capture-Tiny>=0.06:devel/p5-Capture-Tiny
 
 USES=		perl5
+USE_CSTD=	c99
 USE_PERL5=	modbuild
 
 CFLAGS_amd64=	-fPIC