[Bug bootstrap/69757] OpenBSD requires -fPIC to build.

[edd at theunixzoo dot co.uk]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69757

--- Comment #2 from Edd Barrett <edd at theunixzoo dot co.uk> ---
Created attachment 37660
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37660&action=edit
config.log

Attached is the config.log without adjusting CFLAGS and without using
--with-pic.

FWIW, OpenBSD has been PIE by default for some time on amd64.