always define _XOPEN_SOURCE to 700

Author: annacrombie

include/compat.h

@@ -7,6 +7,10 @@
 #if !defined(_POSIX_C_SOURCE)
 #define _POSIX_C_SOURCE 200809L
 #endif
+
+#if !defined(_XOPEN_SOURCE)
+#define _XOPEN_SOURCE 700
+#endif
 #endif
 
 #if defined(__GNUC__)

src/platform/posix/init.c

@@ -36,13 +36,7 @@ platform_sigaction(int sig)
 {
 	struct sigaction act = {
 		.sa_flags = SA_SIGINFO | SA_RESETHAND,
-#ifndef __FreeBSD__
 		.sa_sigaction = platform_signal_handler,
-#else
-		.__sigaction_u = {
-			.__sa_sigaction =platform_signal_handler
-		},
-#endif
 	};
 	if (sigaction(sig, &act, 0) == -1) {
 		LOG_W("failed to install signal handler: %s", strerror(errno));