[Bug cobol/119216] libgcobol support check in configure is broken

[schwab--- via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119216

--- Comment #2 from Andreas Schwab <sch...@linux-m68k.org> ---
You can't use AC_CHECK_SIZEOF, that would test the host, not the target, and
the target compiler hasn't even been built yet.