[Debian-science-sagemath] Fwd: Bug#888606: cysignals: FTBFS with debhelper/11.1 due to empty build target

[Tobias Hansen]

Ah yes, giac is still using libmpfr4 because its rebuild failed on amd64.

Best,
Tobias

On 01/28/2018 01:38 PM, Ximin Luo wrote:
> I saw some issue, I forgot where, that pointed out both mpfr4 and mpfr6 were getting pulled into certain builds. You could check your sbuild logs to see if both are getting installed.
>
> X
>
> Tobias Hansen:
>> Hi,
>>
>> yes, I think you can update cysignals in unstable. I applied upstream patches for new mpfr and matplotlib versions to sagemath and built it with both versions of cysignals yesterday and got the same problems:
>>
>> sage -t --long src/sage/rings/number_field/number_field.py  # Bad exit: 1
>> sage -t --long src/sage/rings/polynomial/plural.pyx  # Killed due to segmentation fault
>> sage -t --long src/sage/structure/factorization_integer.py  # Killed due to kill signal
>> sage -t --long src/sage/structure/sage_object.pyx  # Killed due to abort
>>
>> I have had the failure with number_field.py on my computer for a while, but it doesn't happen on buildds. The others are new, but I don't even know if the libmpfr6 transition is finished...
>>
>> Best,
>> Tobias
>>
>>
>> On 01/28/2018 06:11 AM, Jerome BENOIT wrote:
>>> Hello,
>>>
>>> this issue was fixed in 1.6.6+ds-2 which is current in experimental:
>>> can we migrate cysingals 1.6.6+ds-2 to unstable ?
>>>
>>> Thanks,
>>> Jerome
>>>
>>>
>>> -------- Forwarded Message --------
>>> Subject: Bug#888606: cysignals: FTBFS with debhelper/11.1 due to empty build target
>>> Resent-Date: Sat, 27 Jan 2018 17:51:02 +0000
>>> Resent-From: Niels Thykier <niels at thykier.net>
>>> Resent-To: debian-bugs-dist at lists.debian.org
>>> Resent-CC: Jerome Benoit <calculus at rezozer.net>
>>> Date: Sat, 27 Jan 2018 18:44:34 +0100
>>> From: Niels Thykier <niels at thykier.net>
>>> Reply-To: Niels Thykier <niels at thykier.net>, 888606 at bugs.debian.org
>>> To: Debian Bug Tracking System <submit at bugs.debian.org>
>>>
>>> Source: cysignals
>>> Version: 1.6.5+ds-2
>>> Severity: serious
>>> Tags: patch
>>>
>>> Hi,
>>>
>>> The cysignals package FTBFS with debhelper/11.1 as it has an empty
>>> build target.  This is caused by debhelper had a bug in its handling
>>> of "explicitly defined rules targets" that has now been fixed.
>>>
>>> Previously, this happened to work because dpkg-buildpackage would
>>> invoke "debian/rules build" (which would be a no-op) followed by
>>> "fakeroot debian/rules binary".  During the binary target, dh's
>>> suboptimal handling would run the build commands.
>>>
>>>
>>> The solution is trivial but less pretty; explicitly define "build"
>>> with the same content as the "%:" target (or rename the "build" folder
>>> and drop the ".PHONY" target).  I have attached a patch for this.
>>>
>>>
>>> More details can be found in:
>>>  * #886901 comment #35
>>>  * #887688 comment #37
>>>  * #880840
>>>
>>> Apologies for the inconvenience.
>>>
>>> Thanks,
>>> ~Niels
>>>
>>>
>>>
>>> _______________________________________________
>>> Debian-science-sagemath mailing list
>>> Debian-science-sagemath at lists.alioth.debian.org
>>> https://lists.alioth.debian.org/mailman/listinfo/debian-science-sagemath
>>
>>
>>
>>
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