add _DEFAULT_SOURCE feature profile as an alias for _BSD_SOURCE

[musl] / include / features.h

diff --git a/include/features.h b/include/features.h
index 61ad2f5..3cc3e57 100644 (file)
--- a/include/features.h
+++ b/include/features.h
@@ -5,6 +5,10 @@
 #define _GNU_SOURCE 1
 #endif
 
+#if defined(_DEFAULT_SOURCE) && !defined(_BSD_SOURCE)
+#define _BSD_SOURCE 1
+#endif
+
 #if !defined(_POSIX_SOURCE) && !defined(_POSIX_C_SOURCE) \
  && !defined(_XOPEN_SOURCE) && !defined(_GNU_SOURCE) \
  && !defined(_BSD_SOURCE) && !defined(__STRICT_ANSI__)