Attempting to update to dev-qt/qtwebengine-5.15.12_p20240122 causes a swift build failure. Reproducible: Always Steps to Reproduce: 1. emerge -1uDN dev-qt/qtwebengine Actual Results: Build fails shortly after starting. Expected Results: The update shouldn't fail for the stable package.
Created attachment 883970 [details] Build Log
Portage 3.0.61 (python 3.11.7-final-0, default/linux/amd64/17.1/clang, gcc-13, glibc-2.38-r10, 6.7.1-tkg-pds-gentoo-llvm-zen2 x86_64) ================================================================= System uname: Linux-6.7.1-tkg-pds-gentoo-llvm-zen2-x86_64-AMD_Ryzen_7_3700X_8-Core_Processor-with-glibc2.38 KiB Mem: 32776956 total, 1762528 free KiB Swap: 16777212 total, 13863164 free Timestamp of repository gentoo: Thu, 01 Feb 2024 21:33:35 +0000 Head commit of repository gentoo: a30306abbd48040cdd07f2d4b64237207322f4c3 Timestamp of repository guru: Wed, 31 Jan 2024 22:33:25 +0000 Head commit of repository guru: 2f01aa6931cd171b69ea72f07a1aac4eb765c7d7 Timestamp of repository steam-overlay: Wed, 31 Jan 2024 14:07:10 +0000 Head commit of repository steam-overlay: c872878fa2b1fec44985e08a3c20938221eb7ecf Head commit of repository bobwya: 76effcce2ab16d3f3de45ee326680e550cc8bd18 Head commit of repository farmboy0: b936baea493b2b35b79c5a3ed3dbfbd582b70df0 Head commit of repository librewolf: 1ca22da1c168b765ef877e9e21258d84438ab66a Head commit of repository oxen-overlay: caa06ee33866f344b827f2bf7105839272cd7b3e Head commit of repository src_prepare-overlay: 30586347c2526924acaf9e7975762ad1d4736b36 Head commit of repository tatsh-overlay: 9b110363b43bd0ff8102798e96242d58e7e9a6ac Head commit of repository tezeta: 7a74149b63fb8ab04f61ea527374a9c9e7e70a76 Head commit of repository thegreatmcpain: 453ba6cf3591fd6b8d71459cef3067243ac4d7e0 Head commit of repository x0rzavi: 11dcb9d1760263bdbd1c64eebeef07abf0560e91 Timestamp of repository xwing: Wed, 31 Jan 2024 21:03:21 +0000 Head commit of repository xwing: 204e6c97716f4d7d59271674d00c4a6a4e44c00e sh lksh ld GNU ld (Gentoo 2.41 p4) 2.41.0 app-misc/pax-utils: 1.3.7::gentoo app-shells/bash: 5.1_p16-r6::gentoo dev-build/autoconf: 2.13-r7::gentoo, 2.71-r6::gentoo dev-build/automake: 1.16.5-r2::gentoo dev-build/cmake: 3.27.9::gentoo dev-build/libtool: 2.4.7-r1::gentoo dev-build/make: 4.4.1-r1::gentoo dev-build/meson: 1.3.1-r1::gentoo dev-java/java-config: 2.3.3-r1::gentoo dev-lang/perl: 5.38.2-r1::gentoo dev-lang/python: 3.11.7::gentoo, 3.12.1_p1::gentoo dev-lang/rust: 1.74.1::gentoo sys-apps/baselayout: 2.14-r1::gentoo sys-apps/openrc: 0.53::gentoo sys-apps/sandbox: 2.38::gentoo sys-devel/binutils: 2.41-r3::gentoo sys-devel/binutils-config: 5.5::gentoo sys-devel/clang: 16.0.6::gentoo, 17.0.6::gentoo sys-devel/gcc: 13.2.1_p20240113-r1::gentoo sys-devel/gcc-config: 2.11::gentoo sys-devel/lld: 17.0.6::gentoo sys-devel/llvm: 16.0.6::gentoo, 17.0.6::gentoo sys-kernel/linux-headers: 6.7::gentoo (virtual/os-headers) sys-libs/glibc: 2.38-r10::gentoo Repositories: gentoo location: /var/db/repos/gentoo sync-type: git sync-uri: https://github.com/gentoo-mirror/gentoo.git priority: -1000 volatile: False guru location: /var/db/repos/guru sync-type: git sync-uri: https://github.com/gentoo-mirror/guru.git masters: gentoo volatile: False steam-overlay location: /var/db/repos/steam-overlay sync-type: git sync-uri: https://github.com/gentoo-mirror/steam-overlay.git masters: gentoo volatile: False bobwya location: /var/db/repos/bobwya sync-type: git sync-uri: https://github.com/bobwya/bobwya masters: gentoo priority: 50 volatile: False farmboy0 location: /var/db/repos/farmboy0 sync-type: git sync-uri: https://github.com/farmboy0/portage-overlay.git masters: gentoo priority: 50 volatile: False librewolf location: /var/db/repos/librewolf sync-type: git sync-uri: https://codeberg.org/librewolf/gentoo.git masters: gentoo priority: 50 volatile: False oxen-overlay location: /var/db/repos/oxen-overlay sync-type: git sync-uri: https://github.com/XutaxKamay/oxen-overlay.git masters: gentoo priority: 50 volatile: False src_prepare-overlay location: /var/db/repos/src_prepare-overlay sync-type: git sync-uri: https://gitlab.com/src_prepare/src_prepare-overlay.git masters: gentoo priority: 50 volatile: False tatsh-overlay location: /var/db/repos/tatsh-overlay sync-type: git sync-uri: https://github.com/Tatsh/tatsh-overlay.git masters: gentoo priority: 50 volatile: False tezeta location: /var/db/repos/tezeta sync-type: git sync-uri: https://github.com/tezeta/tezeta-overlay.git masters: gentoo priority: 50 volatile: False thegreatmcpain location: /var/db/repos/thegreatmcpain sync-type: git sync-uri: https://gitlab.com/TheGreatMcPain/thegreatmcpain-overlay.git masters: gentoo priority: 50 volatile: False x0rzavi location: /var/db/repos/x0rzavi sync-type: git sync-uri: https://github.com/x0rzavi/x0rzavi-overlay.git masters: gentoo priority: 50 volatile: False xwing location: /var/db/repos/xwing sync-type: git sync-uri: https://github.com/gentoo-mirror/xwing.git masters: gentoo priority: 50 volatile: False ACCEPT_KEYWORDS="amd64" ACCEPT_LICENSE="* -@EULA" ADDR2LINE="llvm-addr2line" AR="llvm-ar" AS="llvm-as" CBUILD="x86_64-pc-linux-gnu" CC="clang" CFLAGS="-march=znver2 -pipe -minline-all-stringops -ftree-vectorize -O3 -fno-plt -ftrivial-auto-var-init=pattern 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Note that if you're using libc++ (or clang, really, even), we can't really promise to have stability for stable yet. We try, but it's not exactly the same level of checking as normal. Anyway: /var/tmp/portage/dev-qt/qtwebengine-5.15.12_p20240122/work/qtwebengine-5.15.12_p20240122/src/3rdparty/ninja/src/build.h:181:3: error: no template named 'auto_ptr' 181 | auto_ptr<CommandRunner> command_runner_; | ^ /var/tmp/portage/dev-qt/qtwebengine-5.15.12_p20240122/work/qtwebengine-5.15.12_p20240122/src/3rdparty/ninja/src/build.cc:444:29: error: use of undeclared identifier 'mem_fun'; did you mean 'mem_fn'? 444 | if (find_if(begin, end, mem_fun(&Node::dirty)) == end) { | ^~~~~~~ | mem_fn /usr/include/c++/v1/__functional/mem_fn.h:51:1: note: 'mem_fn' declared here 51 | mem_fn(_Rp _Tp::* __pm) _NOEXCEPT | ^ 2 errors generated.
(In reply to Sam James from comment #3) > Note that if you're using libc++ (or clang, really, even), we can't really > promise to have stability for stable yet. We try, but it's not exactly the > same level of checking as normal. To be more precise, it is not tested for stable at all and relies on patch contributions by people who care (I don't).
Adding `-std=c++14` to the common flags seems to work around it, I've just found.
To clarify, this specific workaround was necessary because just adding it to CXXFLAGS doesn't work; it won't respect the addition unless I add it to CFLAGS for some reason
