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-rw-r--r--readline/rlstdc.h14
1 files changed, 10 insertions, 4 deletions
diff --git a/readline/rlstdc.h b/readline/rlstdc.h
index dac8e986e10..d6a22b3742c 100644
--- a/readline/rlstdc.h
+++ b/readline/rlstdc.h
@@ -26,13 +26,19 @@
/* A function can be defined using prototypes and compile on both ANSI C
and traditional C compilers with something like this:
- extern char *func __P((char *, char *, int)); */
+ extern char *func PARAMS((char *, char *, int)); */
-#if !defined (__P)
+#if !defined (PARAMS)
# if defined (__STDC__) || defined (__GNUC__) || defined (__cplusplus)
-# define __P(protos) protos
+# define PARAMS(protos) protos
# else
-# define __P(protos) ()
+# define PARAMS(protos) ()
+# endif
+#endif
+
+#ifndef __attribute__
+# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 8) || __STRICT_ANSI__
+# define __attribute__(x)
# endif
#endif