Define __USE_EXTERN_INLINES for recent enough gcc.

diff --git a/include/features.h b/include/features.h
index 935a113..8cfc990 100644 (file)
--- a/include/features.h
+++ b/include/features.h
@@ -248,6 +248,12 @@
 #  define __USE_LARGEFILE64
 # endif
 
+#endif /* !ASSEMBLER */
+
+/* Decide whether we can define 'extern inline' functions in headers.  */
+#if defined __GNUC__ && (__GNUC__ > 2 || __GNUC__ == 2 && __GNUC_MINOR__ >= 7)\
+    && defined __OPTIMIZE__ && !defined __OPTIMIZE_SIZE__
+# define __USE_EXTERN_INLINES  1
 #endif
 
 /* This is here only because every header file already includes this one.  */