Since the refactoring introduced by [1] any check using netinet/udp.h fail with the following error: [...]/usr/include/netinet/udp.h:62:7: error: unknown type name 'uint16_t' See the error in netinet/udp.h check: [efl] http://autobuild.buildroot.net/results/8c6/8c629a1c5c4a1d78c8bf09a091a332a4… [trinity] http://autobuild.buildroot.net/results/c8f/c8f34aaaecf931e0044ef858ef587325… [1] 58a5ba12bffad5916d9897c2870fc483f1db8282 Signed-off-by: Romain Naour &lt;romain.naour(a)gmail.com&gt; --- include/netinet/udp.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/netinet/udp.h b/include/netinet/udp.h index ac6f234..f03e2dc 100644 --- a/include/netinet/udp.h +++ b/include/netinet/udp.h @@ -48,6 +48,7 @@ #define __NETINET_UDP_H 1 #include <features.h> +#include <stdint.h> #include <sys/types.h> -- 2.9.4