| # wmempcpy.m4 | |
| # serial 3 | |
| dnl Copyright (C) 2020-2026 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 This file is offered as-is, without any warranty. | |
| 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]) | |
| gl_CHECK_FUNCS_ANDROID([wmempcpy], [[#include <wchar.h>]]) | |
| if test $ac_cv_func_wmempcpy = no; then | |
| HAVE_WMEMPCPY=0 | |
| case "$gl_cv_onwards_func_wmempcpy" in | |
| future*) REPLACE_WMEMPCPY=1 ;; | |
| esac | |
| fi | |
| ]) |