Commit 36bca834 authored by Peter Wu's avatar Peter Wu

deterministic_build_systems: mention QT_RCC_SOURCE_DATE_OVERRIDE

parent 83d4700c
......@@ -75,6 +75,9 @@ build environment. Here are some known issues and recommendations:
[`CMAKE_AUTORCC_OPTIONS`](https://cmake.org/cmake/help/latest/variable/CMAKE_AUTORCC_OPTIONS.html)
to `--format-version;1`. Upstream projects are encouraged to do
this after checking that Qt 5.9 or newer is in use.
* (Since Qt 5.11) Set the `QT_RCC_SOURCE_DATE_OVERRIDE` environment
variable which behaves similar to
[`SOURCE_DATE_EPOCH`](https://reproducible-builds.org/specs/source-date-epoch/).
* Ensure that generated source files are touched with a fixed
timestamp before rcc is called. See also
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=894476
......
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