Bug 1217263 - telegram-desktop fails to build: target_compile_features The compiler feature "cxx_std_20" is not known to
Summary: telegram-desktop fails to build: target_compile_features The compiler featur...
Status: RESOLVED WONTFIX
Alias: None
Product: openSUSE Distribution
Classification: openSUSE
Component: Other (show other bugs)
Version: Leap 15.6
Hardware: Other Other
: P5 - None : Major (vote)
Target Milestone: ---
Assignee: Xu Zhao
QA Contact: E-mail List
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Reported: 2023-11-16 17:06 UTC by Lubos Kocman
Modified: 2023-12-10 22:31 UTC (History)
0 users

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Description Lubos Kocman 2023-11-16 17:06:36 UTC 
Hello

telegram-desktop does not build on Leap 15.6. This should be fixed before Beta (Feb 2023).
https://en.opensuse.org/openSUSE:Roadmap#Schedule_for_openSUSE_Leap_15.6

Build log from Leap 15.6

https://build.opensuse.org/package/live_build_log/openSUSE:Backports:SLE-15-SP6/telegram-desktop/standard/x86_64

[   69s] CMake Error at cmake/init_target.cmake:14 (target_compile_features):
[   69s]   target_compile_features The compiler feature "cxx_std_20" is not known to
[   69s]   CXX compiler
[   69s] 
[   69s]   "GNU"
[   69s] 
[   69s]   version 7.5.0.
[   69s] Call Stack (most recent call first):
[   69s]   cmake/init_target.cmake:102 (init_target)
[   69s]   CMakeLists.txt:196 (init_feature_target)
[   69s]   CMakeLists.txt:2390 (add_sublibrary)
[   69s] 
[   69s] 
[   69s] -- Configuring incomplete, errors occurred!
Comment 1 Xu Zhao 2023-12-10 22:31:17 UTC 
Late versions of telegram-desktop does not support building on Leap 15.6, and there is no support from upstream (they keep updating the code that uses new compiler options that only available on Tumbleweed).

Therefore, we can not fix this issue since it is not supported by upstream.