X-Git-Url: https://rtime.felk.cvut.cz/gitweb/frescor/fosa.git/blobdiff_plain/8993e289c6e5a22b682a029ba0eab7eb0432594d..f1dacaf2053509eb23498f81c43dfb518a60e914:/include/fosa_opaque_types.h

diff --git a/include/fosa_opaque_types.h b/include/fosa_opaque_types.h
index 0858671..6a8be30 100644
--- a/include/fosa_opaque_types.h
+++ b/include/fosa_opaque_types.h
@@ -259,8 +259,12 @@ typedef int FOSA_THREAD_SET_ID_T_OPAQUE
 #include <unistd.h>
 #include <linux/unistd.h>
 
+#ifndef _XOPEN_SOURCE
 #define _XOPEN_SOURCE 500
+#endif
+#ifndef __USE_UNIX98
 #define __USE_UNIX98
+#endif
 #include <pthread.h>
 
 #include <signal.h>