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-rw-r--r--argp/argp.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/argp/argp.h b/argp/argp.h
index 7d2dca2a61..cb2f85aee7 100644
--- a/argp/argp.h
+++ b/argp/argp.h
@@ -36,6 +36,19 @@
 # define __THROW
 #endif
 
+#ifndef __attribute__
+/* This feature is available in gcc versions 2.5 and later.  */
+# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__
+#  define __attribute__(Spec) /* empty */
+# endif
+/* The __-protected variants of `format' and `printf' attributes
+   are accepted by gcc versions 2.6.4 (effectively 2.7) and later.  */
+# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7) || __STRICT_ANSI__
+#  define __format__ format
+#  define __printf__ printf
+# endif
+#endif
+
 #ifndef __error_t_defined
 typedef int error_t;
 # define __error_t_defined