2015-05-26 Eric Blake <eblake@redhat.com>
+ error: use correct printf attributes on mingw
+ * lib/stdio.in.h (_GL_ATTRIBUTE_SPEC_PRINTF): New define.
+
inttypes: force correct mingw PRIdMAX even without <stdio.h>
* modules/inttypes (Depends-on): Require extensions, so that mingw
always uses GNU style inttypes.
# define _GL_ATTRIBUTE_FORMAT(spec) /* empty */
#endif
+/* On mingw, the flavor of printf depends on whether the extensions module
+ * is in use; the check for <stdio.h> determines the witness macro. */
+#ifndef _GL_ATTRIBUTE_SPEC_PRINTF
+# if GNULIB_PRINTF_ATTRIBUTE_FLAVOR_GNU && \
+ (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4))
+# define _GL_ATTRIBUTE_SPEC_PRINTF __gnu_printf__
+# else
+# define _GL_ATTRIBUTE_SPEC_PRINTF __printf__
+# endif
+#endif
+
#ifdef __cplusplus
extern "C" {
#endif
If STATUS is nonzero, terminate the program with 'exit (STATUS)'. */
extern void error (int __status, int __errnum, const char *__format, ...)
- _GL_ATTRIBUTE_FORMAT ((__printf__, 3, 4));
+ _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF, 3, 4));
extern void error_at_line (int __status, int __errnum, const char *__fname,
unsigned int __lineno, const char *__format, ...)
- _GL_ATTRIBUTE_FORMAT ((__printf__, 5, 6));
+ _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF, 5, 6));
/* If NULL, error will flush stdout, then print on stderr the program
name, a colon and a space. Otherwise, error will call this