Created attachment 726571 [details] build.log x86_64-pc-linux-gnu-gcc -D_GNU_SOURCE -I../src/include/ -O2 -pipe -march=native -fdiagnostics-color=always -frecord-gcc-switches -Wall -L../src/ -o ucontext-cp ucontext-cp.c -luring ucontext-cp.c:31:23: error: variably modified ‘stack_buf’ at file scope 31 | unsigned char stack_buf[SIGSTKSZ]; | ^~~~~~~~~ make[1]: *** [Makefile:26: ucontext-cp] Error 1 make[1]: *** Waiting for unfinished jobs.... make[1]: Leaving directory '/var/tmp/portage/sys-libs/liburing-2.0/work/liburing-2.0-abi_x86_64.amd64/examples' make: *** [Makefile:14: all] Error 2 * ERROR: sys-libs/liburing-2.0::gentoo failed (compile phase): * emake failed ---- Portage 3.0.20 (python 3.9.6-final-0, default/linux/amd64/17.1/systemd, gcc-11.1.0, glibc-9999, 5.10.51-gentoo-dist-hardened x86_64) ================================================================= System uname: Linux-5.10.51-gentoo-dist-hardened-x86_64-AMD_Ryzen_7_2700_Eight-Core_Processor-with-glibc2.33.9000 KiB Mem: 16365968 total, 5467332 free KiB Swap: 16777212 total, 16018172 free Timestamp of repository gentoo: Fri, 23 Jul 2021 00:45:01 +0000 Head commit of repository gentoo: ac72791ea1b6abaef11b0ddb83185879e8550e5f sh bash 5.1_p8 ld GNU ld (Gentoo 2.36.1 p3) 2.36.1 ccache version 4.3 [disabled] app-shells/bash: 5.1_p8::gentoo dev-lang/perl: 5.34.0-r1::gentoo dev-lang/python: 3.9.6::gentoo, 3.10.0_beta4::gentoo dev-lang/rust-bin: 1.53.0::gentoo dev-util/ccache: 4.3-r3::gentoo dev-util/cmake: 3.21.0::gentoo sys-apps/baselayout: 2.7-r3::gentoo sys-apps/sandbox: 2.24::gentoo sys-devel/autoconf: 2.69-r5::gentoo sys-devel/automake: 1.16.3-r1::gentoo sys-devel/binutils: 2.36.1-r1::gentoo sys-devel/gcc: 11.1.0-r2::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: 5.13::gentoo (virtual/os-headers) sys-libs/glibc: 9999::gentoo Repositories: gentoo location: /var/db/repos/gentoo sync-type: rsync sync-uri: rsync://rsync.gentoo.org/gentoo-portage priority: -1000 sync-rsync-verify-jobs: 1 sync-rsync-verify-metamanifest: yes sync-rsync-extra-opts: sync-rsync-verify-max-age: 24 ACCEPT_KEYWORDS="amd64 ~amd64" ACCEPT_LICENSE="*" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-O2 -pipe -march=native -fdiagnostics-color=always -frecord-gcc-switches" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/share/gnupg/qualified.txt" CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /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="-O2 -pipe -march=native -fdiagnostics-color=always -frecord-gcc-switches" DISTDIR="/var/cache/distfiles" EMERGE_DEFAULT_OPTS="--keep-going=y --with-bdeps=y --deep --complete-graph --usepkg=y" 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 -march=native -fdiagnostics-color=always -frecord-gcc-switches" FEATURES="assume-digests binpkg-docompress binpkg-dostrip binpkg-logs buildpkg config-protect-if-modified distlocks ebuild-locks fixlafiles ipc-sandbox multilib-strict news parallel-fetch parallel-install 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 -march=native -fdiagnostics-color=always -frecord-gcc-switches" GENTOO_MIRRORS="http://distfiles.gentoo.org" LANG="C.UTF8" LDFLAGS="-Wl,-O1 -Wl,--as-needed -Wl,--defsym=__gentoo_check_ldflags__=0" PKGDIR="/var/cache/binpkgs" 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" USE="acl amd64 bzip2 cli crypt dri fortran gdbm iconv ipv6 libglvnd libtirpc multilib ncurses nls nptl openmp pam pcre readline seccomp split-usr ssl systemd tcpd udev unicode xattr zlib" ABI_X86="64" ADA_TARGET="gnat_2018" ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem bt87x ca0106 cmipci emu10k1x ens1370 ens1371 es1938 es1968 fm801 hda-intel intel8x0 intel8x0m maestro3 trident usb-audio via82xx via82xx-modem ymfpci" 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="df interface irq load memory rrdtool swap syslog" CPU_FLAGS_X86="mmx mmxext sse sse2" 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="libinput" KERNEL="linux" 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_9" PYTHON_TARGETS="python3_9" RUBY_TARGETS="ruby26" USERLAND="GNU" VIDEO_CARDS="amdgpu fbdev intel nouveau radeon radeonsi vesa dummy v4l" 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, LINGUAS, MAKEOPTS, PORTAGE_BINHOST, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, RUSTFLAGS
Patch: https://github.com/axboe/liburing/commit/8aac320ae8445c5434ab3be1761414a5247e5d42
(In reply to Sam James from comment #1) > Patch: > https://github.com/axboe/liburing/commit/ > 8aac320ae8445c5434ab3be1761414a5247e5d42 Builds with the patch on ~amd64, thanks.
This is fixed in liburing-2.1
