Description: stropts.h redefines a lot of things
which breaks libc build with our new default
options (like _XOPEN_SOURCE=600)
Index: b/usr/src/lib/libc/port/threads/scalls.c
===================================================================
--- a/usr/src/lib/libc/port/threads/scalls.c
+++ b/usr/src/lib/libc/port/threads/scalls.c
@@ -32,9 +32,9 @@
 #include "thr_uberdata.h"
 #include <stdarg.h>
 #include <poll.h>
-#include <stropts.h>
 #include <dlfcn.h>
 #include <wait.h>
+#include <sys/stropts.h>
 #include <sys/socket.h>
 #include <sys/uio.h>
 #include <sys/file.h>