On 2018-09-24 16:30, Fetchinson . via Python-list wrote: > [fetch at fetch]$ grep LIBFFI_INCLUDE Makefile > LIBFFI_INCLUDEDIR= /opt/custom/lib/libffi-3.2.1/include > > So I'd say everything should work but it doesn't, I reran ./configure > and also make of course. I'm confused. ./configure succeeds? Then where's the error?