Bug 938443 – =sys-libs/efivar-39 fails to build with lto and mold: undefined symbol: efi_set_variable

• Product: Gentoo Linux
• Status: UNCONFIRMED ---

[Description Michael Mair-Keimberger (mm1ke) 2024-08-24 09:00:29 UTC]

Created attachment 901106 [details]
build.log

Hi,

sys-libs/efivar-39 fails to build with lto enabled and succeeds without lto enabled.

emerge --info
Portage 3.0.65 (python 3.12.5-final-0, default/linux/amd64/23.0, gcc-14, glibc-2.40, 6.10.3-gentoo x86_64)
=================================================================
System uname: Linux-6.10.3-gentoo-x86_64-AMD_Ryzen_9_7950X3D_16-Core_Processor-with-glibc2.40
KiB Mem:    64957816 total,  20407040 free
KiB Swap:   16777212 total,  16777212 free
Timestamp of repository gentoo: Sat, 24 Aug 2024 07:04:16 +0000
Head commit of repository gentoo: ab5d4afceca5a4b8bd785cc167081e2f0a5e040c

Timestamp of repository guru: Fri, 23 Aug 2024 19:33:53 +0000
Head commit of repository guru: 20fe53109e50b41292ef3e0c4c447c95ac235d26

Head commit of repository local: 986d7912ef989b327c84bc5998452d668777343e

Timestamp of repository steam-overlay: Fri, 23 Aug 2024 21:33:51 +0000
Head commit of repository steam-overlay: 1057828cc4261082ad3faf418c27176e0282557b

sh bash 5.2_p32
ld GNU ld (Gentoo 2.43 p2) 2.43.1
app-misc/pax-utils:        1.3.7::gentoo
app-shells/bash:           5.2_p32::gentoo
dev-build/autoconf:        2.13-r8::gentoo, 2.72-r1::gentoo
dev-build/automake:        1.17-r1::gentoo
dev-build/cmake:           3.30.2::gentoo
dev-build/libtool:         2.4.7-r4::gentoo
dev-build/make:            4.4.1-r1::gentoo
dev-build/meson:           1.5.1::gentoo
dev-java/java-config:      2.3.4::gentoo
dev-lang/perl:             5.40.0::gentoo
dev-lang/python:           3.12.5_p1::gentoo, 3.13.0_rc1_p3::gentoo
dev-lang/rust:             1.80.1::gentoo
sys-apps/baselayout:       2.15::gentoo
sys-apps/openrc:           0.54.2::gentoo
sys-apps/sandbox:          2.39::gentoo
sys-devel/binutils:        2.43-r1::gentoo
sys-devel/binutils-config: 5.5.2::gentoo
sys-devel/clang:           18.1.8::gentoo
sys-devel/gcc:             14.2.1_p20240817::gentoo
sys-devel/gcc-config:      2.11::gentoo
sys-devel/lld:             18.1.8::gentoo
sys-devel/llvm:            18.1.8-r4::gentoo
sys-kernel/linux-headers:  6.10::gentoo (virtual/os-headers)
sys-libs/glibc:            2.40::gentoo
Repositories:

gentoo
    location: /var/db/repos/gentoo
    sync-type: git
    sync-uri: https://github.com/gentoo-mirror/gentoo
    priority: -1000
    volatile: False
    sync-git-verify-commit-signature: true

guru
    location: /var/db/repos/guru
    sync-type: git
    sync-uri: https://github.com/gentoo-mirror/guru.git
    masters: gentoo
    volatile: False

local
    location: /var/db/repos/local
    sync-type: git
    sync-uri: git://s2/local.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

crossdev
    location: /var/db/repos/crossdev
    masters: gentoo
    priority: 10
    volatile: False

Installed sets: @g_base, @g_base_l9, @g_base_openrc, @g_base_tools, @g_dev_tools, @x2
ACCEPT_KEYWORDS="amd64 ~amd64"
ACCEPT_LICENSE="@FREE"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-O2 -pipe -march=znver4 -mshstk --param=l1-cache-line-size=64 --param=l1-cache-size=32 --param=l2-cache-size=1024 -flto -Werror=odr -Werror=lto-type-mismatch -Werror=strict-aliasing"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc /etc/openldap/ldap.conf /etc/ssh/sshd_config /etc/sssd/sssd.conf /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="-O2 -pipe -march=znver4 -mshstk --param=l1-cache-line-size=64 --param=l1-cache-size=32 --param=l2-cache-size=1024 -flto -Werror=odr -Werror=lto-type-mismatch -Werror=strict-aliasing"
DISTDIR="/var/cache/distfiles"
EMERGE_DEFAULT_OPTS="--oneshot --jobs=4 --with-bdeps=y --keep-going"
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="-O2 -pipe -march=znver4 -mshstk --param=l1-cache-line-size=64 --param=l1-cache-size=32 --param=l2-cache-size=1024 -flto -Werror=odr -Werror=lto-type-mismatch -Werror=strict-aliasing"
FEATURES="assume-digests binpkg-docompress binpkg-dostrip binpkg-logs binpkg-multi-instance buildpkg-live config-protect-if-modified distlocks ebuild-locks 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 sfperms sign strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync xattr"
FFLAGS="-O2 -pipe -march=znver4 -mshstk --param=l1-cache-line-size=64 --param=l1-cache-size=32 --param=l2-cache-size=1024 -flto -Werror=odr -Werror=lto-type-mismatch -Werror=strict-aliasing"
GENTOO_MIRRORS="http://distfiles.gentoo.org"
LANG="en_US.utf8"
LDFLAGS="-Wl,-O1 -Wl,--as-needed -Wl,-z,pack-relative-relocs -fuse-ld=mold"
LEX="flex"
LINGUAS="en"
MAKEOPTS="-j32"
PKGDIR="/var/cache/binpkgs"
PORTAGE_CONFIGROOT="/"
PORTAGE_RSYNC_EXTRA_OPTS="--info=progress2,name0,del0"
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"
SHELL="/bin/bash"
USE="acl alsa amd64 bzip2 cet crypt dbus elogind flac gdbm iconv ipv6 jpeg libtirpc lto mp3 multilib ncurses nls openmp pam pcre pgo pipewire png readline seccomp ssl svg test-rust threads tiff udev unicode vim-syntax vulkan wayland webp xattr xml zlib zstd" ABI_X86="64" ADA_TARGET="gcc_12" AMDGPU_TARGETS="gfx1100" 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 avx512bw avx512cd avx512dq avx512f avx512vbmi avx512vl f16c fma3 pclmul popcnt rdrand sha sse3 sse4_1 sse4_2 sse4a ssse3" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock greis isync itrax mtk3301 ntrip 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" 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="postgres15" PYTHON_SINGLE_TARGET="python3_12" PYTHON_TARGETS="python3_12" QEMU_SOFTMMU_TARGETS="riscv64 x86_64" QEMU_USER_TARGETS="riscv64" RUBY_TARGETS="ruby31 ruby32" VIDEO_CARDS="radeon amdgpu 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, PORTAGE_COMPRESS_FLAGS, PYTHONPATH, RANLIB, READELF, RUSTFLAGS, SIZE, STRINGS, STRIP, YACC, YFLAGS

[Comment 1 Michael Mair-Keimberger (mm1ke) 2024-08-24 09:05:21 UTC]

Some more details:
lto/mold = doesn't build
only lto = builds
only mold = builds

Only the combination lto with mold fails. I've now temporally disabled mold for this package and left lto enabled.