[fpc-devel] mips-linux and mipsel-linux snapshots available

[Mark Morgan Lloyd]

Mark Morgan Lloyd wrote:
> Mark Morgan Lloyd wrote:
>> Pierre Free Pascal wrote:
> 
>>>> The good news is that I can still run/build trunk for mipsel on Debian
>>>> "Squeeze" on Qemu without unanticipated issues (i.e. nobody reading 
>>>> this
>>>> should assume that Lazarus will work yet).
>>>>
>>>> The not-so-good news is that I built from trunk earlier but after 
>>>> having
>>>> bus errors in Qemu's implementation of big-endian MIPS I'm now looking
>>>> at the file above. Unfortunately I still get bus errors and I think the
>>>> binaries have been stripped.
>>>
>>>   This is very strange:
>>> I just installed the snapshot onto the big-endian mips machine
>>> that I use to generate the snapshot.
>>> This machine is the one that does generate daily testsuite results for
>>> mips-linux.
>>>
>>>   I just tested a compiler cycle (with DEBUG=1) starting from this
>>> snapshot binary, and it seems to be able to generate a vanilla trunk
>>> ppcmips:
>>> ppcmips -iDW
>>> 2012/11/21 2.7.1-r1:23032
>>>
>>> Is this a Qemu problem?
>>
>> But I see no other problems, except those that could be caused by 
>> slowness of the emulated environment (flush process timing out, which 
>> appears to be a known issue). I suggest you compile a null program and 
>> "Hello, World!" and upload them.
> 
> Recompiling trunk mipsel natively eventually failed:
> 
> /usr/bin/diff ppc3 ppcmipsel
> Binary files ppc3 and ppcmipsel differ
> make[2]: *** [cycle] Error 2
> 
> I think what I need to do is revert to the last version I've seen a full 
> build working on, I've got the sources but not the svn metadata so I 
> can't for the moment say what revision this is.
> 
> Is there a rough way of querying svn to determine what revisions were 
> committed on a particular date?
> 
> For the record, Qemu describes its mipsel emulation as
> 
> system type             : MIPS Malta
> processor               : 0
> cpu model               : MIPS 24Kc V0.0  FPU V0.0
> BogoMIPS                : 98.04
> wait instruction        : yes
> microsecond timers      : yes
> tlb_entries             : 16
> extra interrupt vector  : yes
> hardware watchpoint     : yes, count: 1, address/irw mask: [0x0ff8]
> ASEs implemented        :
> shadow register sets    : 1
> core                    : 0
> VCED exceptions         : not available
> VCEI exceptions         : not available

The previous version that I compiled is around r22655 and builds OK on 
mipsel implemented by Qemu. I'm trying it for mips (big-endian)... I 
might be some time.

-- 
Mark Morgan Lloyd
markMLl .AT. telemetry.co .DOT. uk

[Opinions above are the author's, not those of his employers or colleagues]