Bug 612932

Summary:	dev-qt/qtcore-5.7.1 - atomic_base.h:577:70: error: failure memory model cannot be stronger than success memory model for '__atomic_compare_exchange'
Product:	Gentoo Linux	Reporter:	Matthew Millar <mattmill30>
Component:	Current packages	Assignee:	Qt Bug Alias <qt>
Status:	RESOLVED FIXED
Severity:	normal	Keywords:	PATCH, UPSTREAM
Priority:	Normal
Version:	unspecified
Hardware:	All
OS:	Linux
Whiteboard:
Package list:		Runtime testing required:	---
Attachments:	Upstream patch

Description Matthew Millar 2017-03-17 16:53:48 UTC

To mitigate a build failure of qtcore 5.7.1 against GCC 4.8-4.9, an upstream patch needs to be included with qtcore-5.7.1-r1.ebuild

https://bugreports.qt.io/browse/QTBUG-59399

Comment 1 Matthew Millar 2017-03-17 16:56:31 UTC

Created attachment 467314 [details, diff]
Upstream patch

Comment 2 Davide Pesavento (RETIRED) gentoo-dev

2017-03-17 23:49:20 UTC

(In reply to Matthew Millar from comment #0)
> To mitigate a build failure of qtcore 5.7.1 against GCC 4.8-4.9, an upstream
> patch needs to be included with qtcore-5.7.1-r1.ebuild

qtcore builds against gcc-4.9.4 on my machine... where are you seeing this error? You have not attached a build log or your emerge --info

(In reply to Matthew Millar from comment #1)
> Created attachment 467314 [details, diff] [details, diff]
> Upstream patch

Was this patch committed upstream? If so, can you provide the git sha of the commit please?

Comment 3 Michael Palimaka (kensington) gentoo-dev

2017-12-22 13:00:39 UTC

Patch has landed in 5.9 and GCC 5 is stable