Index: audio/py-webrtcvad/Makefile
===================================================================
--- audio/py-webrtcvad/Makefile
+++ audio/py-webrtcvad/Makefile
@@ -12,7 +12,7 @@
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
-USES=		python
+USES=		compiler:c11 python
 USE_PYTHON=	distutils autoplist
 
 .include <bsd.port.mk>
Index: audio/py-webrtcvad/files/patch-cbits_webrtc_typedefs.h
===================================================================
--- /dev/null
+++ audio/py-webrtcvad/files/patch-cbits_webrtc_typedefs.h
@@ -0,0 +1,23 @@
+--- cbits/webrtc/typedefs.h.orig	2017-01-07 23:05:15 UTC
++++ cbits/webrtc/typedefs.h
+@@ -48,7 +48,19 @@
+ #define WEBRTC_ARCH_32_BITS
+ #define WEBRTC_ARCH_LITTLE_ENDIAN
+ #else
+-#error Please add support for your architecture in typedefs.h
++/* instead of failing, use typical unix defines... */
++#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
++#define WEBRTC_ARCH_LITTLE_ENDIAN
++#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
++#define WEBRTC_ARCH_BIG_ENDIAN
++#else
++#error __BYTE_ORDER__ is not defined
++#endif
++#if defined(__LP64__)
++#define WEBRTC_ARCH_64_BITS
++#else
++#define WEBRTC_ARCH_32_BITS
++#endif
+ #endif
+ 
+ #if !(defined(WEBRTC_ARCH_LITTLE_ENDIAN) ^ defined(WEBRTC_ARCH_BIG_ENDIAN))