X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fargp.h;h=c0483ab8bf30a5468f9a826ec110ede720f5ee68;hb=6b66ce308dae8448f02da645a9fd8fb992349f06;hp=cc9dc0715132f56b0ea68da29cf182a305aa408f;hpb=b2e2010c7c902235b5efb5bd3c6529f61b093aa4;p=gnulib.git

diff --git a/lib/argp.h b/lib/argp.h
index cc9dc0715..c0483ab8b 100644
--- a/lib/argp.h
+++ b/lib/argp.h
@@ -1,5 +1,5 @@
 /* Hierarchial argument parsing, layered over getopt.
-   Copyright (C) 1995-1999, 2003-2010 Free Software Foundation, Inc.
+   Copyright (C) 1995-1999, 2003-2011 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Written by Miles Bader <miles@gnu.ai.mit.edu>.
 
@@ -34,17 +34,16 @@
 # define __NTH(fct) fct __THROW
 #endif
 
-#ifndef __attribute__
-/* This feature is available in gcc versions 2.5 and later.  */
-# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5)
-#  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
+/* The __attribute__ feature is available in gcc versions 2.5 and later.
+   The __-protected variants of the attributes 'format' and 'printf' are
+   accepted by gcc versions 2.6.4 (effectively 2.7) and later.
+   We enable _GL_ATTRIBUTE_FORMAT only if these are supported too, because
+   gnulib and libintl do '#define printf __printf__' when they override
+   the 'printf' function.  */
+#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
+# define _GL_ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec))
+#else
+# define _GL_ATTRIBUTE_FORMAT(spec) /* empty */
 #endif
 
 /* GCC 2.95 and later have "__restrict"; C99 compilers have
@@ -531,10 +530,10 @@ extern void __argp_usage (const struct argp_state *__state);
    message, then exit (1).  */
 extern void argp_error (const struct argp_state *__restrict __state,
                         const char *__restrict __fmt, ...)
-     __attribute__ ((__format__ (__printf__, 2, 3)));
+     _GL_ATTRIBUTE_FORMAT ((__printf__, 2, 3));
 extern void __argp_error (const struct argp_state *__restrict __state,
                           const char *__restrict __fmt, ...)
-     __attribute__ ((__format__ (__printf__, 2, 3)));
+     _GL_ATTRIBUTE_FORMAT ((__printf__, 2, 3));
 
 /* Similar to the standard gnu error-reporting function error(), but will
    respect the ARGP_NO_EXIT and ARGP_NO_ERRS flags in STATE, and will print
@@ -547,11 +546,11 @@ extern void __argp_error (const struct argp_state *__restrict __state,
 extern void argp_failure (const struct argp_state *__restrict __state,
                           int __status, int __errnum,
                           const char *__restrict __fmt, ...)
-     __attribute__ ((__format__ (__printf__, 4, 5)));
+     _GL_ATTRIBUTE_FORMAT ((__printf__, 4, 5));
 extern void __argp_failure (const struct argp_state *__restrict __state,
                             int __status, int __errnum,
                             const char *__restrict __fmt, ...)
-     __attribute__ ((__format__ (__printf__, 4, 5)));
+     _GL_ATTRIBUTE_FORMAT ((__printf__, 4, 5));
 
 #if _LIBC || !defined __USE_EXTERN_INLINES
 /* Returns true if the option OPT is a valid short option.  */