blob: 534dde10ccf8ada721214db5e74976e9191cd04d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
|
# wmemcmp.m4 serial 5
dnl Copyright (C) 2011-2023 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.
AC_DEFUN([gl_FUNC_WMEMCMP],
[
AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
dnl We cannot use AC_CHECK_FUNCS here, because the MSVC 9 header files
dnl provide this function as an inline function definition.
AC_CACHE_CHECK([for wmemcmp], [gl_cv_func_wmemcmp],
[AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[#include <wchar.h>
]],
[[return ! wmemcmp ((const wchar_t *) 0, (const wchar_t *) 0, 0);]])
],
[gl_cv_func_wmemcmp=yes],
[gl_cv_func_wmemcmp=no])
])
if test $gl_cv_func_wmemcmp = no; then
HAVE_WMEMCMP=0
fi
])
|