Define __USE_XOPEN2K if _XOPEN_SOURCE == 600.

diff --git a/include/features.h b/include/features.h
index f04184a..1189e3e 100644 (file)
--- a/include/features.h
+++ b/include/features.h
@@ -125,7 +125,7 @@
 # undef  _POSIX_C_SOURCE
 # define _POSIX_C_SOURCE       199506L
 # undef  _XOPEN_SOURCE
-# define _XOPEN_SOURCE 500
+# define _XOPEN_SOURCE 600
 # undef  _XOPEN_SOURCE_EXTENDED
 # define _XOPEN_SOURCE_EXTENDED        1
 # undef         _LARGEFILE64_SOURCE
@@ -182,11 +182,14 @@
 
 #ifdef _XOPEN_SOURCE
 # define __USE_XOPEN   1
-# if (_XOPEN_SOURCE - 0) == 500
+# if (_XOPEN_SOURCE - 0) >= 500
 #  define __USE_XOPEN_EXTENDED 1
 #  define __USE_UNIX98 1
 #  undef _LARGEFILE_SOURCE
 #  define _LARGEFILE_SOURCE    1
+#  if (_XOPEN_SOURCE - 0) == 600
+#   define __USE_XOPEN2K       1
+#  endif
 # else
 #  ifdef _XOPEN_SOURCE_EXTENDED
 #   define __USE_XOPEN_EXTENDED        1