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# wmemcpy.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_WMEMCPY],
[
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 wmemcpy], [gl_cv_func_wmemcpy],
[AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[#include <wchar.h>
]],
[[return ! wmemcpy ((wchar_t *) 0, (const wchar_t *) 0, 0);]])
],
[gl_cv_func_wmemcpy=yes],
[gl_cv_func_wmemcpy=no])
])
if test $gl_cv_func_wmemcpy = no; then
HAVE_WMEMCPY=0
fi
])
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