# copy-file.m4 serial 5 dnl Copyright (C) 2003, 2009-2024 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_COPY_FILE], [ AC_CHECK_HEADERS_ONCE([unistd.h]) AC_CHECK_FUNCS([chown]) ])