859970 – [guru] games-action/blackvoxel-2.50 fails to compile (lto): ZVoxelType_Concrete.cpp:41:19: error: dereferencing type-punned pointer will break strict-aliasing rules [-Werror=strict-aliasing]

Bug 859970 - [guru] games-action/blackvoxel-2.50 fails to compile (lto): ZVoxelType_Concrete.cpp:41:19: error: dereferencing type-punned pointer will break strict-aliasing rules [-Werror=strict-aliasing]

Summary: [guru] games-action/blackvoxel-2.50 fails to compile (lto): ZVoxelType_Concre...

Status:	RESOLVED FIXED

Alias:	None

Product:	GURU
Classification:	Unclassified
Component:	Package issues (show other bugs)
Hardware:	All Linux

Importance:	Normal normal
Assignee:	Samuel Bauer

URL:
Whiteboard:
Keywords:

Depends on:
Blocks:

Reported:	2022-07-22 07:29 UTC by Agostino Sarubbo
Modified:	2022-07-24 23:16 UTC (History)
CC List:	1 user (show)

See Also:
Package list:
Runtime testing required:	---

Attachments
build.log (build.log,97.87 KB, text/plain) 2022-07-22 07:29 UTC, Agostino Sarubbo	Details
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Description Agostino Sarubbo gentoo-dev

2022-07-22 07:29:09 UTC

https://blogs.gentoo.org/ago/2020/07/04/gentoo-tinderbox/

Issue: games-action/blackvoxel-2.50 fails to compile (lto).
Discovered on: amd64 (internal ref: guru_tinderbox)

NOTE:
This machine uses lto with CFLAGS=-flto -Werror=odr -Werror=lto-type-mismatch -Werror=strict-aliasing

Comment 1 Agostino Sarubbo gentoo-dev

2022-07-22 07:29:12 UTC

Created attachment 793058 [details]
build.log

build log and emerge --info

Comment 2 Samuel Bauer 2022-07-24 23:15:26 UTC

Added -fno-strict-aliasing via flag-o-matic

Comment 3 Samuel Bauer 2022-07-24 23:16:13 UTC

Also sent mail upstream with link to this bug to signal the compilation issue