Bug 1676291

Summary: qt: FTBFS in Fedora rawhide/f30
Product: [Fedora] Fedora Reporter: Fedora Release Engineering <releng>
Component: qtAssignee: Than Ngo <than>
Status: CLOSED RAWHIDE QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: rawhideCC: hobbes1069, itamar, jreznik, kasal, kevin, me, rdieter, smparrish, than
Target Milestone: ---Keywords: Reopened
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
URL: https://src.fedoraproject.org/rpms/qt/pull-request/3
Whiteboard:
Fixed In Version: Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2019-03-03 15:40:08 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1683408    
Bug Blocks: 1674516, 1674649    
Attachments:
Description Flags
build.log
none
root.log
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state.log none

Description Fedora Release Engineering 2019-02-11 22:30:38 UTC 
qt failed to build from source in Fedora rawhide/f30

https://koji.fedoraproject.org/koji/taskinfo?taskID=32603145


For details on the mass rebuild see:

https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild
Please fix qt at your earliest convenience and set the bug's status to
ASSIGNED when you start fixing it. If the bug remains in NEW state for 8 weeks,
qt will be orphaned. Before branching of Fedora 31,
qt will be retired, if it still fails to build.

For more details on the FTBFS policy, please visit:
https://fedoraproject.org/wiki/Fails_to_build_from_source
Comment 1 Fedora Release Engineering 2019-02-11 22:30:40 UTC 
Created attachment 1533805 [details]
build.log

file build.log too big, will only attach last 1024 bytes
Comment 2 Fedora Release Engineering 2019-02-11 22:30:42 UTC 
Created attachment 1533806 [details]
root.log

file root.log too big, will only attach last 1024 bytes
Comment 3 Fedora Release Engineering 2019-02-11 22:30:44 UTC 
Created attachment 1533807 [details]
state.log
Comment 4 Richard Shaw 2019-02-26 21:25:49 UTC 
Problem is caused by a longstanding gcc bug which qt took advantage of which was finally fixed in gcc 9.

Relevant patch for qt 5:

https://github.com/qt/qtbase/commit/c35a3f519007af44c3b364b9af86f6a336f6411b

Which I adapted to qt 4 (but have not committed). 

Qt has other build problems though...
Comment 5 Than Ngo 2019-02-27 14:55:26 UTC 
it should be fixed in qt-4.8.7-45
Comment 6 Richard Shaw 2019-02-27 15:57:52 UTC 
I ran into the same errors with some missing headers and a bunch of ...has no member named...

https://kojipkgs.fedoraproject.org//work/tasks/6937/33086937/build.log
Comment 7 Richard Shaw 2019-02-27 21:53:49 UTC 
Please also review the pull request for the needed patch from comment 4 before doing another build or Q_FOREACH will remain broken.
Comment 8 Richard Shaw 2019-02-28 13:28:52 UTC 
Pull request submitted now that pagure is back up.
Comment 9 Rex Dieter 2019-02-28 18:31:01 UTC 
%changelog
* Thu Feb 28 2019 Rex Dieter <rdieter> - 1:4.8.7-46
- backport qforeach.patch from qt5
- -no-javascript-jit on f30 to workaround gcc9 FTBFS for now

added temporary -no-javascript-jit workaround until we have something better.
Comment 10 Zbigniew Jędrzejewski-Szmek 2019-03-03 15:40:08 UTC 
A build was successfull: qt-4.8.7-46.fc30 [1].
Closing the bug.

[1] https://koji.fedoraproject.org/koji/buildinfo?buildID=1217621