[Bug fortran/97308] OpenBSD bootstrap fails with error: C++ preprocessor "/lib/cpp" fails sanity check

[schwab@linux-m68k.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97308

--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
You need to attach the config.log file in `/home/tkoenig/trunk-bin/gmp'.