[M3devel] cm3 is broken

[Rodney M. Bates]

I have some old complete installations.  One of them will probably be enough to
build a compiler.  No time just yet.

On 08/20/2015 12:19 PM, Jay wrote:
> Upgrade is failing because cm3 is already broken. I can see about making the error clearer.
>
>
>   I often upgrade.py nocleangcc to speed it up.
>
>
> Right, backup must include libm3 m3core cm3cg cm3 config. See capture-min or capture-boot, I think I settled on capture-min.
>
>
> m3cc either needs to keep the "front" tag or the scripts need to mention it explicitly. You can't safely always skip it.
>
>
> Do you have recourse?
> Old release maybe? (Be sure to edit the 5.8.6 config to avoid new cm3cg.)
>
>   - Jay
>
> On Aug 20, 2015, at 8:44 AM, "Rodney M. Bates" <rodney_bates at lcwb.coop> wrote:
>
>>
>>
>> On 08/19/2015 06:57 PM, Jay K wrote:
>>> Did you upgrade.py? (or possibly upgrade.sh?)
>>
>> upgrade.py does this:
>>
>> rodney at allegheny:~/proj/m3/git/cm3/scripts/python$ python upgrade.py
>> Traceback (most recent call last):
>>   File "upgrade.py", line 4, in <module>
>>     import pylib
>>   File "/home/rodney/proj/m3/git/cm3/scripts/python/pylib.py", line 656, in <module>
>>     if Target.startswith("NT386"):
>> AttributeError: 'NoneType' object has no attribute 'startswith'
>>
>> I did 'do-cm3-front.sh' buildship' and 'install-cm3-compiler.sh upgrade',
>> with front removed from the m3cc line in pkginfo.txt, since there were no
>> changes to it, and it takes longer to compile than everything else combined.
>>
>> upgrade.sh now segfaults after cleaning things out, but that is no doubt just
>> the now-broken cm3.
>>
>> I always make backup copies of cm3 & cm3cg in /usr/local/cm3/bin before installing
>> a compiler, but restoring what I had before does not fix the problem.  I suppose
>> it is in m3core, which I guess I need to add to my backup habit.
>>
>>> I changed the cm3/m3core interface, so you must do the ugprade in the usual proper order.
>>>
>>> I run upgrade.py frequently and recommend it.
>>>
>>>   - Jay
>>>
>>>
>>>> Date: Wed, 19 Aug 2015 17:20:25 -0500
>>>> From: rodney_bates at lcwb.coop
>>>> To: m3devel at elegosoft.com
>>>> Subject: [M3devel] cm3 is broken
>>>>
>>>> As of a recent pull from modula3-cm3, done around 16:00 CDT, cm3 is going into
>>>> runaway recursion trying to report a fault. This happens immediately upon
>>>> running it, before it produces any output.
>>>>
>>>> Here is one cycle of the backtrace:
>>>>
>>>> #1745 0x00007fd9b0b0d935 in _m3_fault (arg=5600) from /usr/local/cm3-uniboot/bin/../lib/libm3core.so.5
>>>> #1746 0x00007fd9b0b0d05d in InvokeHandler (f=16_00007fff488bcc20, a=
>>>> RECORD exception = 16_00007fd9b0d4b780; arg = 16_000000000000001d; module = 16_00007fd9b0d62d40; line = 14; pc = NIL; info0 = NIL; info1 = NIL; un_except = NIL; un_arg = NIL; END) at ../src/runtime/ex_frame/RTExFrame.m3:175
>>>> #1747 0x00007fd9b0b0cef1 in ResumeRaise (a=
>>>> RECORD exception = 16_00007fd9b0d4b780; arg = 16_000000000000001d; module = 16_00007fd9b0d62d40; line = 14; pc = NIL; info0 = NIL; info1 = NIL; un_except = NIL; un_arg = NIL; END) at ../src/runtime/ex_frame/RTExFrame.m3:145
>>>> #1748 0x00007fd9b0b0ccfe in Raise (act=
>>>> RECORD exception = 16_00007fd9b0d4b780; arg = 16_000000000000001d; module = 16_00007fd9b0d62d40; line = 14; pc = NIL; info0 = NIL; info1 = NIL; un_except = NIL; un_arg = NIL; END) at ../src/runtime/ex_frame/RTExFrame.m3:91
>>>> #1749 0x00007fd9b0ae9693 in Raise (ex=16_00007fd9b0d4b780, arg=16_000000000000001d, module=16_00007fd9b0d62d40, line=14)
>>>> at ../src/runtime/common/RTHooks.m3:79
>>>> #1750 0x00007fd9b0ae9951 in Self () at ../src/runtime/common/RuntimeError.m3:14
>>>> #1751 0x00007fd9b0ae96ef in ReportFault (module=16_00007fd9b0d6a520, info=5600) at ../src/runtime/common/RTHooks.m3:98
>>>> #1752 0x00007fd9b0b0d935 in _m3_fault (arg=5600) from /usr/local/cm3-uniboot/bin/../lib/libm3core.so.5
>>>>
>>>> So far, I haven't had the patience to keep hitting return until I get to the bottom of it.
>>>>
>>>> --
>>>> Rodney Bates
>>>> rodney.m.bates at acm.org
>>>> _______________________________________________
>>>> M3devel mailing list
>>>> M3devel at elegosoft.com
>>>> https://mail.elegosoft.com/cgi-bin/mailman/listinfo/m3devel
>>
>> --
>> Rodney Bates
>> rodney.m.bates at acm.org
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-- 
Rodney Bates
rodney.m.bates at acm.org