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Bug? Compiling llvm throws Segfault (reproducible)
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Qcumber-some
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Joined: 10 Jun 2007
Posts: 51

PostPosted: Sun Apr 20, 2014 8:32 am    Post subject: Bug? Compiling llvm throws Segfault (reproducible) Reply with quote

I want to install a fresh system on Atom based hardware.
emerge llvm fails reproducibly with
Code:

/var/tmp/portage/sys-devel/llvm-3.3-r3/work/llvm-3.3.src/tools/llvm-readobj/Error.cpp:49:1: internal compiler error: Segmentation fault


Some info:
Code:
homer ~ # emerge --info
Portage 2.2.8-r1 (default/linux/amd64/13.0/no-multilib, gcc-4.7.3, glibc-2.17, 3.12.13-gentoo x86_64)                                                                                                                                           
=================================================================
System uname: Linux-3.12.13-gentoo-x86_64-Intel-R-_Atom-TM-_CPU_D525_@_1.80GHz-with-gentoo-2.2
KiB Mem:     2041036 total,   1258032 free
KiB Swap:    2097148 total,   2090580 free
Timestamp of tree: Thu, 17 Apr 2014 11:00:01 +0000
ld GNU ld (GNU Binutils) 2.23.2
app-shells/bash:          4.2_p45
dev-lang/python:          2.7.5-r3, 3.3.3
dev-util/cmake:           2.8.12.2
dev-util/pkgconfig:       0.28
sys-apps/baselayout:      2.2
sys-apps/openrc:          0.12.4
sys-apps/sandbox:         2.6-r1
sys-devel/autoconf:       2.13, 2.69
sys-devel/automake:       1.12.6, 1.13.4
sys-devel/binutils:       2.23.2
sys-devel/gcc:            4.7.3-r1
sys-devel/gcc-config:     1.7.3
sys-devel/libtool:        2.4.2
sys-devel/make:           3.82-r4
sys-kernel/linux-headers: 3.9 (virtual/os-headers)
sys-libs/glibc:           2.17
Repositories: gentoo
ACCEPT_KEYWORDS="amd64"
ACCEPT_LICENSE="* -@EULA"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-O2 -pipe -fomit-frame-pointer -march=native"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/share/config /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"
CXXFLAGS="-O2 -pipe -fomit-frame-pointer -march=native"
DISTDIR="/usr/portage/distfiles"
FCFLAGS="-O2 -pipe"
FEATURES="assume-digests binpkg-logs config-protect-if-modified distlocks ebuild-locks fixlafiles merge-sync news parallel-fetch preserve-libs protect-owned sandbox sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync"
FFLAGS="-O2 -pipe"
GENTOO_MIRRORS="http://distfiles.gentoo.org"
LANG="de_DE.iso885915@euro"
LDFLAGS="-Wl,-O1 -Wl,--as-needed"
MAKEOPTS="-j5"
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"
PORTAGE_TMPDIR="/var/tmp"
PORTDIR="/usr/portage"
PORTDIR_OVERLAY=""
USE="X acl alsa amd64 berkdb bzip2 cli cracklib crypt cups cxx dbus declarative dri dvd fortran gdbm gtk gudev iconv icu ipv6 kde minizip mmx mng modules mysql ncurses nls nptl ogg opengl openmp pam pcre png policykit python qt3support qt4 qthelp readline script semantic-desktop session sql sse sse2 ssl ssse3 svg tcpd theora unicode vorbis vpx webm xmp zip zlib" ABI_X86="64" 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="kexi words flow plan sheets stage tables krita karbon braindump author" CAMERAS="ptp2" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf superstar2 timing tsip tripmate tnt ublox ubx" INPUT_DEVICES="evdev keyboard mouse" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php5-5" PYTHON_SINGLE_TARGET="python2_7" PYTHON_TARGETS="python2_7 python3_3" RUBY_TARGETS="ruby19 ruby20" USERLAND="GNU" VIDEO_CARDS="intel vesa" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq steal rawnat logmark ipmark dhcpmac delude chaos account"
Unset:  CPPFLAGS, CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LC_ALL, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, SYNC, USE_PYTHON


Code:
homer ~ # gcc-config -l
 [1] x86_64-pc-linux-gnu-4.7.3 *


If you check the emerge --info for the CFLAGS you can see I use -march=native
If I remove this parameter, it works. I guess it is something like -march=generic then (I really don't know the default here). So I don't have a problem installing here (as I made it work) but I don't know if this is a bug and if this should be filed/reported in Gentoo Bugtracker? (and by the way if someone searches for this error message they may find it here and realize they just to remove the -march ;-) )
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Qcumber-some
n00b
n00b


Joined: 10 Jun 2007
Posts: 51

PostPosted: Sun Apr 20, 2014 2:38 pm    Post subject: Reply with quote

I found a very similar bug... https://bugs.gentoo.org/show_bug.cgi?id=500032
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