@@ -237,6 +237,12 @@ int readsock(int sockfd, char *buf, size_t size)

 	struct msghdr msg;

 	struct iovec iov[1];

 #ifdef HAVE_CONTROL_IN_MSGHDR

+#ifndef CMSG_SPACE

+#define CMSG_SPACE(len)	    (_CMSG_ALIGN(sizeof(struct cmsghdr)) + _CMSG_ALIGN(len))

+#endif

+#ifndef CMSG_LEN

+#define CMSG_LEN(len)	    (_CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))

+#endif

 	struct cmsghdr *cmsg;

 	char tmp[CMSG_SPACE(sizeof(fd))];

 #endif

@@ -146,6 +146,12 @@ int dsfd(int sockfd, int fd, const struct optstruct *opt)

 	struct iovec iov[1];

 	struct msghdr msg;

 #ifdef HAVE_CONTROL_IN_MSGHDR

+#ifndef CMSG_SPACE

+#define CMSG_SPACE(len)	    (_CMSG_ALIGN(sizeof(struct cmsghdr)) + _CMSG_ALIGN(len))

+#endif

+#ifndef CMSG_LEN

+#define CMSG_LEN(len)	    (_CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))

+#endif

 	struct cmsghdr *cmsg;

 	char tmp[CMSG_SPACE(sizeof(fd))];

 #endif