https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66032
--- Comment #3 from Chris Johns <chris at contemporary dot net.au> --- Built GNU sed from source and added to my path: ruru rtems $ sed --version GNU sed version 4.2 Copyright (C) 2003 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, to the extent permitted by law. The build was successful.