> It seems I can't even build fp-test for x86_64. > > CROSS-BUILD x86_64 guest-tests with cc > In file included from /home/rth/work/qemu/qemu/tests/fp/fp-test.c:14:0: > /home/rth/work/qemu/qemu/include/qemu/osdep.h:30:10: fatal error: > config-host.h: No such file or directory > #include "config-host.h" > ^~~~~~~~~~~~~~~ > compilation terminated.
Cross builds when target==host arch are often broken because the less tested. Probably because it is easier to directly use the host, yet fully configured.