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rl-attribute.dpatch by <doko@debian.org>
Do not redefine __attribute__, define macro __rl_attribute__
--- a/readline.h
+++ b/readline.h
@@ -409,7 +409,7 @@ extern void rl_activate_mark (void);
extern void rl_deactivate_mark (void);
extern int rl_mark_active_p (void);
-extern int rl_message (const char *, ...) __attribute__((__format__ (printf, 1, 2)));
+extern int rl_message (const char *, ...) __rl_attribute__((__format__ (printf, 1, 2)));
extern int rl_show_char (int);
--- a/rlstdc.h
+++ b/rlstdc.h
@@ -36,10 +36,10 @@
# endif
#endif
-#ifndef __attribute__
-# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 8)
-# define __attribute__(x)
-# endif
+#if defined(__GNUC__) && __GNUC__ >= 2
+# define __rl_attribute__(x) __attribute__(x)
+#else
+# define __rl_attribute__(x)
#endif
#endif /* !_RL_STDC_H_ */
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