@@ -367,7 +367,8 @@
/* Decide whether we can define 'extern inline' functions in headers. */
#if __GNUC_PREREQ (2, 7) && defined __OPTIMIZE__ \
- && !defined __OPTIMIZE_SIZE__ && !defined __NO_INLINE__
+ && !defined __OPTIMIZE_SIZE__ && !defined __NO_INLINE__ \
+ && (defined __extern_inline || defined __GNUC_GNU_INLINE__)
# define __USE_EXTERN_INLINES 1
#endif