Re: update lang/sbcl

Josh Elsasser writes:

> On Fri, Apr 27, 2018 at 08:56:04PM -0700, Josh Elsasser wrote:
>> Patching the i386 and ppc *-arch.c files isn't necessary. However i386
>> didn't build for me (in a VM). I think we need to do this in
>> patches/patch-src_runtime_bsd-os_c:
>
> This is obviously wrong now that I look closer. I'll investigate further.
>
>> $OpenBSD$
>>
>> MAP_TRYFIXED is needed to allow SBCL to relocate its heap if the
>> hardcoded virtual address is unavailable.
>>
>> Index: src/runtime/bsd-os.c
>> --- src/runtime/bsd-os.c.orig
>> +++ src/runtime/bsd-os.c
>> @@ -157,7 +157,11 @@ os_validate(int movable, os_vm_address_t addr, os_vm_s
>> * the hint address, and moreover that it "is the default behavior") */
>> // FALLTHROUGH_INTENDED
>> case NOT_MOVABLE:
>> +#ifdef MAP_TRYFIXED
>> + flags = MAP_TRYFIXED;
>> +#else
>> flags = MAP_FIXED;
>> +