solaris fixes

proto/sctp.c

@@ -4,7 +4,7 @@
 
 extern struct uwsgi_server uwsgi;
 
-#ifdef __linux__
+#if defined(__linux__) || defined(__sun__)
 ssize_t sctp_sendv(int s, struct iovec *iov, size_t iov_len,
           const struct sctp_sndrcvinfo *sinfo, int flags)
 {

socket.c

@@ -215,7 +215,15 @@ int connect_to_sctp(char *socket_names, int queue) {
 		goto clear;
 	}
 
+// solaris has no sctp_connectx support
+#ifdef __sun__
+	if (addresses > 1) {
+		uwsgi_log("*** You will only connect to the first specified SCTP address !!! ***\n");
+	}
+	if (connect(serverfd, (struct sockaddr *) sins, sizeof(struct sockaddr_in))) {
+#else
 	if (sctp_connectx(serverfd, (struct sockaddr *) sins, addresses, NULL)) {
+#endif
 		uwsgi_error("sctp_connectx()");
 		close(serverfd);
 		goto clear;

uwsgi.h

@@ -184,6 +184,9 @@ extern int pivot_root(const char *new_root, const char *put_old);
 
 #ifdef UWSGI_SCTP
 #include <netinet/sctp.h>
+#ifndef SOL_SCTP
+#define SOL_SCTP IPPROTO_SCTP
+#endif
 #endif
 
 #ifndef UWSGI_PLUGIN_BASE