Hi Maxim, I noticed this nice commit:
guix-comm...@gnu.org writes:
> commit a4f1a7e2db22cd028fb514846c2791928b8734d3
> Author: Maxim Cournoyer <maxim.courno...@gmail.com>
> AuthorDate: Wed Apr 15 02:03:26 2020 -0400
>
> gnu: linphoneqt: Fix reproducibility issue and improve description.
>
> * gnu/packages/linphone.scm (linphoneqt)[phases]: Rename the 'patch phase
> to
> 'set-version-string, and use the version variable of the package in the
> replacement.
> {set-qt-rcc-source-date-override, fix-cmake-error}: Add phases.
> [synopsis]: Explicit what the package is.
> [description]: Mention more useful keywords and features.
[...]
> + (add-after 'set-paths 'set-qt-rcc-source-date-override
> + (lambda _
> + ;; This fixes a reproducibility problem where the Qt Resource
> + ;; Compiler (RCC) includes timestamp of the its source files
> + ;; (see: https://reproducible-builds.org/docs/
> + ;; deterministic-build-systems/#cmake-notes)
> + (setenv "QT_RCC_SOURCE_DATE_OVERRIDE" "1")
> + #t))
Would it make sense to add this variable directly in qt-build-system (or
maybe even patch Qt to make it the default)?
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