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destroyedlolo
l33t
Joined: 17 Jun 2011
Posts: 846
Location: Close to Annecy (France)
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 Posted: Wed Jun 19, 2019 9:00 pm Post subject: clang compilation faile (support C++11) |
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Hi all,
While upgrading my system I'm facing an error while emerging clang with the following error :
| Code: | -- Checking if compiler supports C++ unique_ptr
-- Checking if compiler supports C++ unique_ptr - no
CMake Error at CMakeLists.txt:92 (message):
The C++ compiler does not support C++11 (e.g. std::unique_ptr).
|
The problem is my compiler is :
| Code: | | gcc version 8.3.0 (Gentoo 8.3.0-r1 p1.1) |
which is default to c++14 as per its documentation. And standards are upward compatibles, isn't it ?
| Code: | Portage 2.3.66 (python 2.7.15-final-0, default/linux/amd64/17.0/desktop, gcc-8.3.0, glibc-2.29-r2, 4.12.12-gentoo x86_64)
=================================================================
System Settings
=================================================================
System uname: Linux-4.12.12-gentoo-x86_64-Intel-R-_Core-TM-_i7-4710HQ_CPU_@_2.50GHz-with-gentoo-2.6
KiB Mem: 8093340 total, 3048248 free
KiB Swap: 524284 total, 524284 free
Head commit of repository gentoo: aa4e14e5e8ef312c478082e11510003135d913cd
sh bash 4.4_p23-r1
ld GNU ld (Gentoo 2.31.1 p7) 2.31.1
distcc 3.3.2 x86_64-pc-linux-gnu [enabled]
app-shells/bash: 4.4_p23-r1::gentoo
dev-java/java-config: 2.2.0-r4::gentoo
dev-lang/perl: 5.28.2-r1::gentoo
dev-lang/python: 2.7.15::gentoo, 3.6.5::gentoo
dev-util/cmake: 3.9.6::gentoo
dev-util/pkgconfig: 0.29.2::gentoo
sys-apps/baselayout: 2.6-r1::gentoo
sys-apps/openrc: 0.41.2::gentoo
sys-apps/sandbox: 2.13::gentoo
sys-devel/autoconf: 2.13-r1::gentoo, 2.69-r4::gentoo
sys-devel/automake: 1.11.6-r3::gentoo, 1.15.1-r2::gentoo, 1.16.1-r1::gentoo
sys-devel/binutils: 2.31.1-r6::gentoo
sys-devel/gcc: 8.2.0-r6::gentoo, 8.3.0-r1::gentoo
sys-devel/gcc-config: 2.0::gentoo
sys-devel/libtool: 2.4.6-r3::gentoo
sys-devel/make: 4.2.1-r4::gentoo
sys-kernel/linux-headers: 4.14-r1::gentoo (virtual/os-headers)
sys-libs/glibc: 2.29-r2::gentoo
Repositories:
gentoo
location: /usr/portage
sync-type: rsync
sync-uri: rsync://torchwood.local/gentoo-portage
priority: -1000
sync-rsync-verify-jobs: 1
sync-rsync-verify-metamanifest: yes
sync-rsync-extra-opts:
sync-rsync-verify-max-age: 24
crossdev
location: /usr/local/portage
masters: gentoo
bar
location: /var/lib/layman/bar
sync-type: laymansync
sync-uri: https://github.com/tokiclover/bar-overlay.git
masters: gentoo
priority: 50
ACCEPT_KEYWORDS="amd64"
ACCEPT_LICENSE="*"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-march=core-avx2 -O2 -pipe"
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"
CXXFLAGS="-march=core-avx2 -O2 -pipe"
DISTDIR="/usr/portage/distfiles"
ENV_UNSET="DBUS_SESSION_BUS_ADDRESS DISPLAY GOBIN 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 config-protect-if-modified distcc distlocks ebuild-locks fixlafiles ipc-sandbox merge-sync multilib-strict network-sandbox news parallel-fetch pid-sandbox preserve-libs protect-owned sandbox sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync xattr"
FFLAGS="-O2 -pipe"
GENTOO_MIRRORS="ftp://ftp.free.fr/mirrors/ftp.gentoo.org/"
LANG="fr_FR.utf8"
LDFLAGS="-Wl,-O1 -Wl,--as-needed"
LINGUAS="fr en"
MAKEOPTS="-j6 -l9.0"
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="/var/tmp"
USE="X a52 aac acl acpi alsa amd64 avahi avcodec avformat berkdb bluetooth branding bzip2 cairo cdda cdr cli consolekit crypt cups cxx dbus dri dts dvbpsi dvd dvdr emboss encode exif fam ffmpeg flac fontconfig fortran frei0r gcrypt gdbm gif glamor gpm gtk gtk3+ httpd iconv jpeg jpeg2k lcms ldap libcaca libnotify libtirpc lm_sensors lua mad matroska mng mp3 mp4 mpeg mtp multilib ncurses networkmanager nls nptl ogg opengl openmp pam pango pcre pdf png policykit ppds pulseaudio qt5 readline sdl seccomp smp spell ssl startup-notification svg swscale tcpd theora tiff truetype udev udisks unicode upower usb v4l vlm vorbis wxwidgets x264 xattr xcb xml xv xvid zeroconf 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="karbon sheets words" CAMERAS="ptp2 canon" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" CPU_FLAGS_X86="aes avx avx2 fma3 mmx mmxext popcnt sse sse2 sse3 sse4_1 sse4_2 ssse3" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock isync itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf skytraq superstar2 timing tsip tripmate tnt ublox ubx" INPUT_DEVICES="evdev synaptics joystick keyboard mouse" KERNEL="linux" L10N="fr en" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" NETBEANS_MODULES="apisupport cnd groovy gsf harness ide identity j2ee java mobility nb php profiler soa visualweb webcommon websvccommon xml" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php5-6 php7-1" POSTGRES_TARGETS="postgres10 postgres11" PYTHON_SINGLE_TARGET="python3_6" PYTHON_TARGETS="python2_7 python3_6" RUBY_TARGETS="ruby24" USERLAND="GNU" VIDEO_CARDS="intel i965 nouveau" 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: CC, CPPFLAGS, CTARGET, CXX, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LC_ALL, PORTAGE_BINHOST, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS |
So, what's the problem ?
Thanks
Laurent |
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mike155
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Joined: 17 Sep 2010
Posts: 4438
Location: Frankfurt, Germany
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Josef.95
Advocate
Joined: 03 Sep 2007
Posts: 4554
Location: Germany
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| Posted: Thu Jun 20, 2019 12:57 am Post subject: |
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Yes, your current installed "dev-util/cmake: 3.9.6::gentoo" is very old (and already removed from main tree),
please try it with the latest stable cmake version.
/edit, and please try it without distcc |
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Hu
Moderator
Joined: 06 Mar 2007
Posts: 21633
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| Posted: Thu Jun 20, 2019 1:54 am Post subject: Re: clang compilation faile (support C++11) |
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| destroyedlolo wrote: | | Code: | -- Checking if compiler supports C++ unique_ptr
-- Checking if compiler supports C++ unique_ptr - no
CMake Error at CMakeLists.txt:92 (message):
The C++ compiler does not support C++11 (e.g. std::unique_ptr). |
|
If the advice posted so far does not help, then please provide the CMake logs that explain how CMake came to this conclusion. | destroyedlolo wrote: | | And standards are upward compatibles, isn't it ? |
Usually, and in this case, yes. However, this is not always true. For example, new versions of the C++ standard explicitly deprecate std::auto_ptr as a broken design that no one should use. |
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destroyedlolo
l33t
Joined: 17 Jun 2011
Posts: 846
Location: Close to Annecy (France)
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| Posted: Thu Jun 20, 2019 8:44 pm Post subject: |
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Hi all,
cmake was blocked with the same error.
But, disabling distcc solved my compilation problem.
I'm doing that on my I7 laptop but it will take age to compile on my older systems 
Bye
Laurent |
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Hu
Moderator
Joined: 06 Mar 2007
Posts: 21633
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| Posted: Fri Jun 21, 2019 1:43 am Post subject: |
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| This test should distribute correctly, if your distcc is configured correctly. If you want to use distcc, you may be able to do so, if you find and fix this problem. |
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destroyedlolo
l33t
Joined: 17 Jun 2011
Posts: 846
Location: Close to Annecy (France)
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| Posted: Fri Jun 21, 2019 7:34 am Post subject: |
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Hello,
Distcc is working correctly with all the other compilation : only this one is failling.
In addition, amd64 targets are discovered automatically on the network (using zeroconf) so only ones with exactly the same architecture and Gcc version are selected.
Bye
Laurent |
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mike155
Advocate
Joined: 17 Sep 2010
Posts: 4438
Location: Frankfurt, Germany
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| Posted: Tue Aug 13, 2019 10:44 am Post subject: |
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| See: bug 691544. |
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