-# strerror_r.m4 serial 12
-dnl Copyright (C) 2002, 2007-2011 Free Software Foundation, Inc.
+# strerror_r.m4 serial 15
+dnl Copyright (C) 2002, 2007-2014 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl glibc >= 2.3.4 and cygwin 1.7.9 have a function __xpg_strerror_r.
AC_CHECK_FUNCS_ONCE([__xpg_strerror_r])
AC_CHECK_FUNCS_ONCE([catgets])
+ AC_CHECK_FUNCS_ONCE([snprintf])
])
# Detect if strerror_r works, but without affecting whether a replacement
dnl HP-UX 11.31 strerror_r always fails when the buffer length argument
dnl is less than 80.
dnl FreeBSD 8.s strerror_r claims failure on 0
- dnl MacOS X 10.5 strerror_r treats 0 like -1
+ dnl Mac OS X 10.5 strerror_r treats 0 like -1
dnl Solaris 10 strerror_r corrupts errno on failure
AC_CACHE_CHECK([whether strerror_r works],
[gl_cv_func_strerror_r_works],
[AC_LANG_PROGRAM(
[[#include <errno.h>
#include <string.h>
- extern int __xpg_strerror_r(int, char *, size_t);
+ extern
+ #ifdef __cplusplus
+ "C"
+ #endif
+ int __xpg_strerror_r(int, char *, size_t);
]],
[[int result = 0;
char buf[256] = "^";