Building ruby-2.6.7 hangs during configure at the step `checking for broken backtrace...'. This seems/could be different from #617518. Reproducible: Always Steps to Reproduce: emerge dev-lang/ruby Portage 3.0.18 (python 3.8.10-final-0, default/linux/amd64/17.0/desktop, gcc-10.3.0, glibc-2.33, 5.11.4-gentoo x86_64) ================================================================= System uname: Linux-5.11.4-gentoo-x86_64-Intel-R-_Core-TM-_i7-4790K_CPU_@_4.00GHz-with-glibc2.2.5 KiB Mem: 32707020 total, 14137464 free KiB Swap: 1048572 total, 1048572 free Timestamp of repository gentoo: Wed, 12 May 2021 13:00:01 +0000 Head commit of repository gentoo: 3853ca2def9372e20bc7fd971b385f32c2288221 Timestamp of repository guru: Wed, 12 May 2021 10:07:36 +0000 Head commit of repository guru: 72a83e4574465799fc709c93c5c1bb3c1123d778 Timestamp of repository lto-overlay: Wed, 12 May 2021 10:07:26 +0000 Head commit of repository lto-overlay: 67c74da8ae9a0e7797cf3266eb58d87b6032c815 Timestamp of repository mv: Wed, 12 May 2021 10:07:08 +0000 Head commit of repository mv: ace22f1c4923138abf6b73754f95cb5eb86277d8 Timestamp of repository science: Wed, 12 May 2021 10:07:40 +0000 Head commit of repository science: 5e557eb84cb4b06d52eff6eaf7ceb2e2ea336442 Timestamp of repository steam-overlay: Wed, 12 May 2021 10:07:12 +0000 Head commit of repository steam-overlay: 81b3aec6f24f5b2755219194ab2a1e504bf7b903 sh bash 5.1_p8 ld GNU ld (Gentoo 2.35.2 p1) 2.35.2 ccache version 4.3 [disabled] app-shells/bash: 5.1_p8::gentoo dev-java/java-config: 2.3.1::gentoo dev-lang/perl: 5.32.1::gentoo dev-lang/python: 2.7.18_p9::gentoo, 3.8.10::gentoo, 3.9.5::gentoo dev-lang/rust: 1.52.1::gentoo dev-util/ccache: 4.3::gentoo dev-util/cmake: 3.20.2::gentoo dev-util/pkgconfig: 0.29.2::gentoo sys-apps/baselayout: 2.7::gentoo sys-apps/openrc: 0.43.3::gentoo sys-apps/sandbox: 2.24::gentoo sys-devel/autoconf: 2.13-r1::gentoo, 2.69-r5::gentoo sys-devel/automake: 1.16.3-r1::gentoo sys-devel/binutils: 2.35.2::gentoo, 2.36.1-r1::gentoo sys-devel/gcc: 9.3.0-r2::gentoo, 10.3.0::gentoo, 11.1.0::gentoo sys-devel/gcc-config: 2.4::gentoo sys-devel/libtool: 2.4.6-r6::gentoo sys-devel/make: 4.3::gentoo sys-kernel/linux-headers: 5.12::gentoo (virtual/os-headers) sys-libs/glibc: 2.33::gentoo Repositories: gentoo location: /usr/portage sync-type: rsync sync-uri: rsync://rsync.gentoo.org/gentoo-portage priority: -1000 sync-rsync-verify-metamanifest: yes sync-rsync-extra-opts: sync-rsync-verify-jobs: 1 sync-rsync-verify-max-age: 24 guru location: /var/db/repos/guru sync-type: git sync-uri: https://github.com/gentoo-mirror/guru.git masters: gentoo lto-overlay location: /var/db/repos/lto-overlay sync-type: git sync-uri: https://github.com/gentoo-mirror/lto-overlay.git masters: gentoo mv mv location: /var/db/repos/mv sync-type: git sync-uri: https://github.com/gentoo-mirror/mv.git masters: gentoo science location: /var/db/repos/science sync-type: git sync-uri: https://github.com/gentoo-mirror/science.git masters: gentoo steam-overlay location: /var/db/repos/steam-overlay sync-type: git sync-uri: https://github.com/gentoo-mirror/steam-overlay.git masters: gentoo local location: /data/portage masters: gentoo priority: 100 Installed sets: @anaconda, @core, @devel, @devel_gentoo, @devel_xilinx, @electronics, @esteam, @extra, @keysight_ads, @latex, @matlab, @opencl ACCEPT_KEYWORDS="amd64 ~amd64" ACCEPT_LICENSE="@FREE" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-march=native -O3 -pipe -fuse-linker-plugin -fgraphite-identity -floop-nest-optimize -fno-math-errno -fno-trapping-math -fno-signed-zeros -fassociative-math -freciprocal-math -fdevirtualize-at-ltrans -fipa-pta -fno-semantic-interposition -flto=8" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/lib64/libreoffice/program/sofficerc /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 /etc/terminfo /etc/texmf/language.dat.d /etc/texmf/language.def.d /etc/texmf/updmap.d /etc/texmf/web2c" CXXFLAGS="-march=native -O3 -pipe -fuse-linker-plugin -fgraphite-identity -floop-nest-optimize -fno-math-errno -fno-trapping-math -fno-signed-zeros -fassociative-math -freciprocal-math -fdevirtualize-at-ltrans -fipa-pta -fno-semantic-interposition -flto=8 -fvisibility-inlines-hidden" DISTDIR="/usr/portage/distfiles" EMERGE_DEFAULT_OPTS="-j9 --load-average=9" ENV_UNSET="CARGO_HOME DBUS_SESSION_BUS_ADDRESS DISPLAY 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" FCFLAGS="-O2 -pipe" FEATURES="assume-digests binpkg-docompress binpkg-dostrip binpkg-logs binpkg-multi-instance config-protect-if-modified distlocks ebuild-locks fixlafiles ipc-sandbox merge-sync multilib-strict network-sandbox news parallel-fetch pid-sandbox preserve-libs protect-owned qa-unresolved-soname-deps sandbox sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync xattr" FFLAGS="-O2 -pipe" GENTOO_MIRRORS="http://mirror.leaseweb.com/gentoo/ http://distfiles.gentoo.org" LANG="en_US.utf8" LDFLAGS="-Wl,-O1 -Wl,--as-needed -Wl,--sort-common,-z,now" LINGUAS="en de" MAKEOPTS="-j9 -l9.4" PKGDIR="/usr/portage/packages" 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="/tmp" USE="X a52 aac acl acpi alsa amd64 bash-completion berkdb bluetooth branding bzip2 cairo cdda cdr cli crypt cuda cups dbus dri dts dvd dvdr elogind emboss encode exif flac fortran gdbm gif gpm gtk gui iconv icu ipv6 jemalloc jpeg lcms libglvnd libnotify libtirpc lm-sensors lto mad mng mp3 mp4 mpeg multilib ncurses nls nptl nsplugin nvenc offensive ogg opengl openmp pam pango pcre pdf pie png policykit ppds pulseaudio qt5 readline sdl seccomp spell split-usr ssl ssp startup-notification svg tcpd tiff truetype udev udisks unicode upower usb vaapi vdpau vim-syntax vorbis wxwidgets x264 xattr xcb xml xv xvid xvmc zlib zsh-completion" ABI_X86="64" ADA_TARGET="gnat_2018" ALSA_CARDS="hda-intel" APACHE2_MODULES="authn_core authz_core socache_shmcb unixd actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias" CALLIGRA_FEATURES="karbon sheets words" COLLECTD_PLUGINS="cpu cpufreq df disc exec gpu_nvidia hddtemp interface load memory rrdtool swap syslog wireless" CPU_FLAGS_X86="aes avx avx2 f16c fma3 mmx mmxext pclmul popcnt sse sse2 sse3 ssse3 sse4_1 sse4_2" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock greis isync itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf skytraq superstar2 timing tsip tripmate tnt ublox ubx" INPUT_DEVICES="evdev mouse keyboard" KERNEL="linux" L10N="en de" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" LUA_SINGLE_TARGET="lua5-1" LUA_TARGETS="lua5-1" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php7-3 php7-4" POSTGRES_TARGETS="postgres10 postgres11" PYTHON_SINGLE_TARGET="python3_8" PYTHON_TARGETS="python3_8" RUBY_TARGETS="ruby26" USERLAND="GNU" VIDEO_CARDS="intel nvidia amdgpu radeonsi i915 i965" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq proto steal rawnat logmark ipmark dhcpmac delude chaos account" Unset: CC, CPPFLAGS, CTARGET, CXX, INSTALL_MASK, LC_ALL, PORTAGE_BINHOST, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, RUSTFLAGS For debugging purposes, optimization flags (O3, lto, ...) are replaced with default O2. See build.log
Created attachment 707610 [details] build.log
Is there any way I can help debug this? I have no experience with the ruby build process.
I see that you have jemalloc enabled, so one thing to check for is if it helps to disable that USE flag for ruby.
Appending "dev-lang/ruby -jemalloc" to package.use lets the package emerge.
