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-rw-r--r--sys/sys/unistd.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/sys/sys/unistd.h b/sys/sys/unistd.h
index 238f120..0758b35 100644
--- a/sys/sys/unistd.h
+++ b/sys/sys/unistd.h
@@ -95,6 +95,9 @@
#define _POSIX_SAVED_IDS 1 /* saved set-user-ID and set-group-ID */
#endif
+/* Define the POSIX.1 version we target for compliance. */
+#define _POSIX_VERSION 200112L
+
/* access function */
#define F_OK 0 /* test for existence of file */
#define X_OK 0x01 /* test for execute or search permission */
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