On Tue, Jun 13, 2017 at 03:35:54PM -0400, Brian Callahan wrote: > This diff comes with man page additions explaining the new flag, > as well as a regress test for -E -E behavior. I could not figure > out how to write a regress test that checks for exit status, so > there is no test for single -E behavior.
You could use the following pattern to test the exit code:
if ${M4} -E -E -g ${.CURDIR}/fatalwarnings.m4 >/dev/null 2>&1 || test $$? -ne
1; then false; fi
