Bug 883415 – sys-devel/gcc-11.3.1_p20221007 fails to compile (CLANG-STRICTER-SYSTEM): clang++: libstdc++.so.6: version GLIBCXX_3.4.30 not found (required by libLLVM-15.so)

• Status: CONFIRMED
• Product: Gentoo Linux

[Description Agostino Sarubbo 2022-11-28 12:41:38 UTC]

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

Issue: sys-devel/gcc-11.3.1_p20221007 fails to compile (CLANG-STRICTER-SYSTEM).
Discovered on: amd64 (internal ref: clang-stricter_tinderbox)

NOTE:
(CLANG-STRICTER-SYSTEM) in the summary means that the bug was found on a machine that runs clang with stricter mode

This machine uses clang with CFLAGS/CXXFLAGS=-Werror=implicit-function-declaration -Werror=implicit-int -Werror=incompatible-function-pointer-types

See also:
https://archives.gentoo.org/gentoo-dev/message/dd9f2d3082b8b6f8dfbccb0639e6e240
https://wiki.gentoo.org/wiki/Modern_C_porting

[Comment 1 Agostino Sarubbo 2022-11-28 12:41:46 UTC]

Created attachment 837955 [details]
build.log.xz

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

[Comment 2 Agostino Sarubbo 2022-11-28 12:41:47 UTC]

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


mv: cannot stat 'stage2-fixincludes': No such file or directory
mv: cannot stat 'stage2-gcc': No such file or directory
mv: cannot stat 'stage2-intl': No such file or directory
mv: cannot stat 'stage2-libbacktrace': No such file or directory
mv: cannot stat 'stage2-libcody': No such file or directory
mv: cannot stat 'stage2-libcpp': No such file or directory
mv: cannot stat 'stage2-libdecnumber': No such file or directory
mv: cannot stat 'stage2-libiberty': No such file or directory
mv: cannot stat 'stage2-lto-plugin': No such file or directory
mv: cannot stat 'stage2-x86_64-pc-linux-gnu': No such file or directory