Created attachment 928515 [details] build.log ``` /var/tmp/portage/dev-games/openscenegraph-openmw-3.6_p20221115-r1/work/osg-69cfecebfb6dc703b42e8de39eed750a84a87489/include/osg/PrimitiveSet:336:7: error: virtual table of type ‘struct DrawElements’ violates one definition rule [-Werror=odr] 336 | class DrawElements : public PrimitiveSet | ^ /var/tmp/portage/dev-games/openscenegraph-openmw-3.6_p20221115-r1/work/osg-69cfecebfb6dc703b42e8de39eed750a84a87489/include/osg/PrimitiveSet:336:7: note: the conflicting type defined in another translation unit 336 | class DrawElements : public PrimitiveSet | ^ /var/tmp/portage/dev-games/openscenegraph-openmw-3.6_p20221115-r1/work/osg-69cfecebfb6dc703b42e8de39eed750a84a87489/include/osg/PrimitiveSet:177:22: note: virtual method ‘isSameKindAs’ 177 | virtual bool isSameKindAs(const Object* obj) const { return dynamic_cast<const PrimitiveSet*>(obj)!=NULL; } | ^ <built-in>: note: ought to match virtual method ‘__cxa_pure_virtual’ but does not lto1: some warnings being treated as errors lto-wrapper: fatal error: /usr/bin/x86_64-pc-linux-gnu-g++ returned 1 exit status compilation terminated. /usr/lib/gcc/x86_64-pc-linux-gnu/16/../../../../x86_64-pc-linux-gnu/bin/ld: error: lto-wrapper failed collect2: error: ld returned 1 exit status ninja: build stopped: subcommand failed. * ERROR: dev-games/openscenegraph-openmw-3.6_p20221115-r1::gentoo failed (compile phase): * ninja -v -j4 -l4 failed ``` ---- $ emerge --info Portage 3.0.68-4+g6a2bd8589-dirty (python 3.13.3-final-0, default/linux/amd64/23.0/hardened, gcc-16, glibc-2.41.9999, 6.14.6-gentoo-dist-hardened x86_64) ================================================================= System uname: Linux-6.14.6-gentoo-dist-hardened-x86_64-AMD_Ryzen_9_PRO_7940HS_w-_Radeon_780M_Graphics-with-glibc2.41 KiB Mem: 64424852 total, 3083876 free KiB Swap: 25051128 total, 25050620 free Timestamp of repository gentoo: Sat, 10 May 2025 08:40:03 +0000 Head commit of repository gentoo: 243ffe39f95d6982f89fb1436fdeb6f86cc2fbb5 Timestamp of repository kde: Sat, 10 May 2025 07:10:18 +0000 Head commit of repository kde: 146f9e63fcd05fab5f1e43ed93bdf68cab5216c6 Timestamp of repository sam_c: Thu, 08 May 2025 12:57:21 +0000 Head commit of repository sam_c: c99e910734cb20b9d69dbde75c147e47f83ceedb sh dash 0.5.12-r1 ld GNU ld (Gentoo 9999 p1) 2.44.50.20250510 ccache version 4.11.3 [disabled] app-misc/pax-utils: 1.3.8::gentoo app-shells/bash: 5.2_p37-r3::gentoo dev-build/autoconf: 2.72-r1::gentoo dev-build/automake: 1.17-r2::gentoo dev-build/cmake: 3.31.7-r1::gentoo dev-build/libtool: 2.5.4::gentoo dev-build/make: 4.4.1-r100::gentoo dev-build/meson: 1.8.0::gentoo dev-java/java-config: 2.3.4::gentoo dev-lang/perl: 5.40.2::gentoo dev-lang/python: 3.13.3::gentoo, 3.13.3-r100::gentoo dev-lang/rust: 1.86.0-r1::gentoo dev-util/ccache: 4.11.3::gentoo llvm-core/clang: 19.1.7::gentoo, 20.1.4::gentoo llvm-core/llvm: 19.1.7::gentoo, 20.1.4::gentoo sys-apps/baselayout: 2.17::gentoo sys-apps/sandbox: 2.46::gentoo sys-apps/systemd: 257.5::gentoo sys-devel/binutils: 2.43-r2::gentoo, 9999::gentoo sys-devel/binutils-config: 5.5.2::gentoo sys-devel/gcc: 16.0.9999::gentoo sys-devel/gcc-config: 2.12.1::gentoo sys-kernel/linux-headers: 6.14::gentoo (virtual/os-headers) sys-libs/glibc: 2.41.9999::sam_c Repositories: gentoo location: /var/db/repos/gentoo sync-type: git sync-uri: https://github.com/gentoo-mirror/gentoo.git priority: -1000 volatile: False kde location: /var/db/repos/kde sync-type: git sync-uri: https://github.com/gentoo-mirror/kde.git masters: gentoo volatile: False sam_c location: /var/db/repos/sam_c sync-type: git sync-uri: https://github.com/gentoo-mirror/sam_c.git masters: gentoo volatile: False Binary Repositories: gentoobinhost priority: 1 sync-uri: https://distfiles.gentoo.org/releases/amd64/binpackages/23.0/x86-64 Installed sets: @sam-emacs, @sam-fonts, @sam-fortune ACCEPT_KEYWORDS="amd64 ~amd64" ACCEPT_LICENSE="@FREE" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-O3 -march=native -flto=jobserver -fno-semantic-interposition -mtls-dialect=gnu2 -fdiagnostics-color=always -Wa,-O2 -Wa,-mtune=znver4 -g1 -pipe -Werror=strict-aliasing -Werror=lto-type-mismatch -Werror=odr -frecord-gcc-switches -fdiagnostics-color=always -fdiagnostics-urls=never --param=ggc-min-expand=150" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/lib64/libreoffice/program/sofficerc /usr/share/config /usr/share/gnupg/qualified.txt" CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/dconf /etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/revdep-rebuild /etc/sandbox.d" CXXFLAGS="-O3 -march=native -flto=jobserver -fno-semantic-interposition -mtls-dialect=gnu2 -fdiagnostics-color=always -Wa,-O2 -Wa,-mtune=znver4 -g1 -pipe -Werror=strict-aliasing -Werror=lto-type-mismatch -Werror=odr -frecord-gcc-switches -fdiagnostics-color=always -fdiagnostics-urls=never --param=ggc-min-expand=150" DISTDIR="/var/cache/distfiles" EMERGE_DEFAULT_OPTS="--keep-going --jobs=4 --load-average=4 --implicit-system-deps=n --with-bdeps=y --usepkg=y" ENV_UNSET="CARGO_HOME DBUS_SESSION_BUS_ADDRESS DISPLAY GDK_PIXBUF_MODULE_FILE GOBIN GOPATH PERL5LIB PERL5OPT PERLPREFIX PERL_CORE PERL_MB_OPT PERL_MM_OPT XAUTHORITY XDG_CACHE_HOME XDG_CONFIG_HOME XDG_DATA_HOME XDG_RUNTIME_DIR XDG_STATE_HOME" FCFLAGS="-O3 -march=native -flto=jobserver -fno-semantic-interposition -mtls-dialect=gnu2 -fdiagnostics-color=always -Wa,-O2 -Wa,-mtune=znver4 -g1 -pipe -Werror=strict-aliasing -Werror=lto-type-mismatch -Werror=odr -frecord-gcc-switches -fdiagnostics-color=always -fdiagnostics-urls=never --param=ggc-min-expand=150" FEATURES="assume-digests binpkg-docompress binpkg-dostrip binpkg-logs binpkg-multi-instance buildpkg clean-logs config-protect-if-modified distlocks export-pms-vars fixlafiles ipc-sandbox merge-sync merge-wait multilib-strict network-sandbox news parallel-fetch parallel-install pid-sandbox pkgdir-index-trusted preserve-libs protect-owned qa-unresolved-soname-deps sandbox split-log strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync xattr" FFLAGS="-O3 -march=native -flto=jobserver -fno-semantic-interposition -mtls-dialect=gnu2 -fdiagnostics-color=always -Wa,-O2 -Wa,-mtune=znver4 -g1 -pipe -Werror=strict-aliasing -Werror=lto-type-mismatch -Werror=odr -frecord-gcc-switches -fdiagnostics-color=always -fdiagnostics-urls=never --param=ggc-min-expand=150" GENTOO_MIRRORS="https://mirror.bytemark.co.uk/gentoo/ https://mirrors.gethosted.online/gentoo/ https://www.mirrorservice.org/sites/distfiles.gentoo.org/" LANG="en_GB.UTF-8" LDFLAGS="-O3 -march=native -flto=jobserver -fno-semantic-interposition -mtls-dialect=gnu2 -fdiagnostics-color=always -Wa,-O2 -Wa,-mtune=znver4 -g1 -pipe -Werror=strict-aliasing -Werror=lto-type-mismatch -Werror=odr -frecord-gcc-switches -fdiagnostics-color=always -fdiagnostics-urls=never --param=ggc-min-expand=150 -Wl,-O1 -Wl,--as-needed -Wl,-z,pack-relative-relocs -Wl,--defsym=__gentoo_check_ldflags__=0" LEX="flex" LINGUAS="en en_GB" MAKEOPTS="-j4 -l4" PKGDIR="/var/cache/binpkgs" PORTAGE_COMPRESS="xz" PORTAGE_CONFIGROOT="/" PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --omit-dir-times --compress --force --whole-file --delete --stats --human-readable --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages --exclude=/.git" PORTAGE_TMPDIR="/var/tmp" RUSTFLAGS="-C target-cpu=native -C link-arg=-Wl,-z,pack-relative-relocs" SHELL="/bin/bash" USE="X a52 aac acl acpi activities alsa amd64 bluetooth branding bzip2 cairo caps cdda cdr cet compress-xz crypt cups dbus declarative dist-kernel dri dts dvd dvdr emacs encode exif filecaps flac gdbm gif gpm gtk gui hardened iconv icu ipv6 jit jpeg kde kf6compat kwallet lcms libnotify libtirpc mad mng modules-compress mp3 mp4 mpeg multilib ncurses networkmanager nls ogg opengl openmp pam pango pcre pdf pgo pic pie pipewire plasma png policykit ppds pulseaudio qml qt5 qt6 readline screencast sdl seccomp semantic-desktop sound spell ssl ssp startup-notification svg systemd test-rust tiff truetype udev udisks unicode upower usb verify-sig vorbis vulkan wayland widgets wxwidgets x264 xattr xcb xft xml xtpax xv xvid zlib" ABI_X86="64" ADA_TARGET="gcc_14" APACHE2_MODULES="authn_core authz_core socache_shmcb unixd actions alias auth_basic authn_anon authn_dbm authn_file authz_dbm authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir env expires ext_filter file_cache filter headers include info log_config logio mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias" CALLIGRA_FEATURES="karbon sheets words" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" CPU_FLAGS_X86="mmx mmxext sse sse2 aes avx avx2 avx512_bf16 avx512_bitalg avx512_vbmi2 avx512_vnni avx512_vpopcntdq avx512bw avx512cd avx512dq avx512f avx512ifma avx512vbmi avx512vl f16c fma3 pclmul popcnt rdrand sha sse3 sse4_1 sse4_2 sse4a ssse3 vpclmulqdq" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock greis isync itrax navcom oceanserver oncore rtcm104v2 rtcm104v3 sirf skytraq superstar2 tsip tripmate tnt ublox" GUILE_SINGLE_TARGET="3-0" GUILE_TARGETS="3-0" INPUT_DEVICES="libinput" KERNEL="linux" L10N="en en-GB" LCD_DEVICES="bayrad cfontz glk hd44780 lb216 lcdm001 mtxorb text" LUA_SINGLE_TARGET="lua5-1" LUA_TARGETS="lua5-1" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php8-2" POSTGRES_TARGETS="postgres17" PYTHON_SINGLE_TARGET="python3_13" PYTHON_TARGETS="python3_13" RUBY_TARGETS="ruby32" VIDEO_CARDS="amdgpu radeon radeonsi" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipp2p iface geoip fuzzy condition tarpit sysrq proto logmark ipmark dhcpmac delude chaos account" Unset: ADDR2LINE, AR, ARFLAGS, AS, ASFLAGS, CC, CCLD, CONFIG_SHELL, CPP, CPPFLAGS, CTARGET, CXX, CXXFILT, ELFEDIT, EXTRA_ECONF, F77FLAGS, FC, GCOV, GPROF, INSTALL_MASK, LC_ALL, LD, LFLAGS, LIBTOOL, MAKE, MAKEFLAGS, NM, OBJCOPY, OBJDUMP, PORTAGE_BINHOST, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, PYTHONPATH, RANLIB, READELF, SIZE, STRINGS, STRIP, YACC, YFLAGS
(In reply to Sam James from comment #0) > <built-in>: note: ought to match virtual method ‘__cxa_pure_virtual’ but > does not This might mean it's specific to LTO *and* -fno-semantic-interposition which I've not yet understood (it's come up in other bugs too).
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=4cf1d792f97f62ec5912a8d67c4286b65a8e0365 commit 4cf1d792f97f62ec5912a8d67c4286b65a8e0365 Author: Sam James <sam@gentoo.org> AuthorDate: 2025-05-12 00:35:01 +0000 Commit: Sam James <sam@gentoo.org> CommitDate: 2025-05-12 00:36:47 +0000 dev-games/openscenegraph-openmw: filter -fno-semantic-interposition w/ LTO It's the same strange -Wodr issue that pops up w/ -fno-semanticc-interposition every so often. Closes: https://bugs.gentoo.org/955848 Signed-off-by: Sam James <sam@gentoo.org> .../openscenegraph-openmw-3.6_p20221115-r1.ebuild | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)