Bug 946141 – dev-qt/qtwebengine-6.8.1 fails to compile: optional:881:14: error: satisfaction of atomic constraint __construct_from_contained_value<_Up, typename std::remove_cv< <template-parameter-1-1> >::type> [with _Tp = _Tp; _Up = _Up] depends on itself

• Status: RESOLVED TEST-REQUEST
• Product: Gentoo Linux

[Description Agostino Sarubbo 2024-12-09 09:47:11 UTC]

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

Issue: dev-qt/qtwebengine-6.8.1 fails to compile.
Discovered on: amd64 (internal ref: gcc15_tinderbox)
System: GCC-15-SYSTEM (https://wiki.gentoo.org/wiki/Project:Tinderbox/Common_Issues_Helper#GCC-15)

Info about the issue:
https://wiki.gentoo.org/wiki/Project:Tinderbox/Common_Issues_Helper#CF0014

[Comment 1 Agostino Sarubbo 2024-12-09 09:47:16 UTC]

Created attachment 913645 [details]
build.log.xz

build log and emerge --info (compressed because it exceeds attachment limit, use 'xzless' to read it)

[Comment 2 Agostino Sarubbo 2024-12-09 09:47:17 UTC]

Error(s) that match a know pattern in addition to what has been reported in the summary:


-- Could NOT find GSSAPI (missing: GSSAPI_LIBRARIES GSSAPI_INCLUDE_DIRS) 
-- Could NOT find Gn (missing: Gn_EXECUTABLE) (Required is exact version "6.8.1")
-- Git repo not found, skipping querying git version.
FAILED: obj/third_party/blink/renderer/core/core_hot/core_hot_jumbo_1.o 
FAILED: obj/third_party/blink/renderer/core/core_hot/core_hot_jumbo_2.o 
FAILED: obj/third_party/blink/renderer/core/core_hot/core_hot_jumbo_6.o 
FAILED: src/core/RelWithDebInfo/x86_64/QtWebEngineCore.stamp src/core/RelWithDebInfo/x86_64/obj/tools/v8_context_snapshot/v8_context_snapshot.stamp src/core/RelWithDebInfo/x86_64/QtWebEngineCore /var/tmp/portage/dev-qt/qtwebengine-6.8.1/work/qtwebengine-everywhere-src-6.8.1_build/src/core/RelWithDebInfo/x86_64/QtWebEngineCore.stamp /var/tmp/portage/dev-qt/qtwebengine-6.8.1/work/qtwebengine-everywhere-src-6.8.1_build/src/core/RelWithDebInfo/x86_64/obj/tools/v8_context_snapshot/v8_context_snapshot.stamp /var/tmp/portage/dev-qt/qtwebengine-6.8.1/work/qtwebengine-everywhere-src-6.8.1_build/src/core/RelWithDebInfo/x86_64/QtWebEngineCore 
/usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/optional:881:14: error: satisfaction of atomic constraint ‘__construct_from_contained_value<_Up, typename std::remove_cv< <template-parameter-1-1> >::type> [with _Tp = _Tp; _Up = _Up]’ depends on itself

[Comment 3 Sam James 2024-12-09 10:49:26 UTC]

> sys-devel/gcc:             15.0.0_pre20241201::gentoo

Can you reproduce with last night's snapshot? There were a bunch of fixes to std::optional.