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-rw-r--r--src/sysdeps/trynamespaces.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/src/sysdeps/trynamespaces.c b/src/sysdeps/trynamespaces.c
index 01894be..b88f414 100644
--- a/src/sysdeps/trynamespaces.c
+++ b/src/sysdeps/trynamespaces.c
@@ -1,8 +1,23 @@
/* ISC license. */
+#undef _POSIX_C_SOURCE
+#undef _XOPEN_SOURCE
+
+#ifndef __EXTENSIONS__
+#define __EXTENSIONS__
+#endif
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
+#ifndef _BSD_SOURCE
+#define _BSD_SOURCE
+#endif
+#ifndef _NETBSD_SOURCE
+#define _NETBSD_SOURCE
+#endif
+#ifndef _INCOMPLETE_XOPEN_C063
+#define _INCOMPLETE_XOPEN_C063
+#endif
#include <sched.h>