[Bug libfortran/68347] Multiple build errors in libgfortran

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68347

--- Comment #10 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
> Are you sure that problem is not in GREP_OPTIONS='--color=always' which
> according to man results in color output using default color scheme '01;31'?

No! but you can do the test by unsetting GREP_OPTIONS. What I am sure is that
building in the source directory is not supported.