Bug 948662 – dev-cpp/nlohmann_json-3.11.2 fails to compile: alloc_traits.h:76:31: error: static assertion failed: allocator_traits<A>::rebind_alloc<A::value_type> must be A

• Status: CONFIRMED
• Product: Gentoo Linux

[Description Agostino Sarubbo 2025-01-24 16:09:17 UTC]

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

Issue: dev-cpp/nlohmann_json-3.11.2 fails to compile.
Discovered on: amd64 (internal ref: tinderbox-stable)

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

[Comment 1 Agostino Sarubbo 2025-01-24 16:09:18 UTC]

Created attachment 917406 [details]
build.log

build log and emerge --info

[Comment 2 Agostino Sarubbo 2025-01-24 16:09:19 UTC]

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


FAILED: tests/CMakeFiles/test-allocator_cpp11.dir/src/unit-allocator.cpp.o 
/usr/lib/gcc/x86_64-pc-linux-gnu/14/include/g++-v14/bits/alloc_traits.h:76:31: error: static assertion failed: allocator_traits<A>::rebind_alloc<A::value_type> must be A

[Comment 3 Agostino Sarubbo 2025-01-24 16:09:19 UTC]

If you think this bug has already been resolved in major version(s), then please remove the affected versions from the tree.

[Comment 4 Holger Hoffstätte 2025-01-24 18:16:34 UTC]

Fixed in 3.11.3 (2023-11-28), see linked issues.