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[bug#34165] [PATCH] gnu: bitcoin-core: Make bitcoin-qt deterministic.
From: |
Ricardo Wurmus |
Subject: |
[bug#34165] [PATCH] gnu: bitcoin-core: Make bitcoin-qt deterministic. |
Date: |
Wed, 23 Jan 2019 15:41:43 +0100 |
User-agent: |
mu4e 1.0; emacs 26.1 |
Ludovic Courtès <address@hidden> writes:
> Hi!
>
> Carl Dong <address@hidden> skribis:
>
>>>From 2b3162dde22a5d44eb5910b0fcfa07318f935aaf Mon Sep 17 00:00:00 2001
>> From: Carl Dong <address@hidden>
>> Date: Mon, 21 Jan 2019 14:51:57 -0500
>> Subject: [PATCH] gnu: bitcoin-core: Make bitcoin-qt deterministic.
>
> [...]
>
>> + (add-before 'configure 'qt-time
>> + (lambda _
>> + (setenv "QT_RCC_SOURCE_DATE_OVERRIDE" "1"))) ; Make QT
>> deterministic
>
> Looking at this and the upstream commit¹, I’m thinking maybe we should
> do the same in other Qt applications. Any idea how we can identify
> applications where it’s needed?
>
> ¹
> https://github.com/qt/qtbase/commit/38271e9298dcf48652a6e2e08414a940a97867fa
This is a bit unfortunate. It seems to me that the original intent of
the patch was to support SOURCE_DATE_EPOCH as the commit message
mentions that variable’s specification. Pity that it is now a custom Qt
variable.
This probably should be used for all packages that generate resource
files, which I assume are most non-trivial applications. I think it’s
fine to add it to all packages using qtbase.
--
Ricardo