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# wmempcpy.m4 serial 1
dnl Copyright (C) 2020-2022 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_WMEMPCPY],
[
AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
dnl Persuade glibc <wchar.h> to declare wmempcpy().
AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
dnl The wmempcpy() declaration in lib/wchar.in.h uses 'restrict'.
AC_REQUIRE([AC_C_RESTRICT])
AC_CHECK_FUNCS_ONCE([wmempcpy])
if test $ac_cv_func_wmempcpy = no; then
HAVE_WMEMPCPY=0
fi
])
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