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-rw-r--r--fmacros.h4
1 files changed, 1 insertions, 3 deletions
diff --git a/fmacros.h b/fmacros.h
index 7635180..24c9bac 100644
--- a/fmacros.h
+++ b/fmacros.h
@@ -12,10 +12,8 @@
#if defined(__sun__)
#define _POSIX_C_SOURCE 200112L
-#elif defined(__linux__) || defined(__OpenBSD__) || defined(__NetBSD__)
-#define _XOPEN_SOURCE 600
#else
-#define _XOPEN_SOURCE
+#define _XOPEN_SOURCE 600
#endif
#if defined(__APPLE__) && defined(__MACH__)