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- # wmempcpy.m4 serial 1
- dnl Copyright (C) 2020-2021 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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