Cmake fails to build with gcc9 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). $ emerge --info cmake gcc Portage 2.3.64 (python 3.7.3-final-0, default/linux/amd64/17.1, gcc-9.1.0, glibc-2.29-r2, 5.0.1-gentoo x86_64) ================================================================= System Settings ================================================================= System uname: Linux-5.0.1-gentoo-x86_64-Intel-R-_Core-TM-_i7-8700K_CPU_@_3.70GHz-with-gentoo-2.6 KiB Mem: 32692492 total, 7826132 free KiB Swap: 33554428 total, 33552636 free Timestamp of repository gentoo: Sat, 04 May 2019 14:30:01 +0000 Head commit of repository gentoo: 073280a3e8657f28d9102dd40cfe2693b506651e sh bash 5.0_p7 ld GNU ld (Gentoo 2.32 p2) 2.32.0 app-shells/bash: 5.0_p7::gentoo dev-lang/perl: 5.28.2-r1::gentoo dev-lang/python: 2.7.16::gentoo, 3.7.3::gentoo dev-util/cmake: 3.14.2::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: 2.17::gentoo sys-devel/autoconf: 2.13-r1::gentoo, 2.69-r4::gentoo sys-devel/automake: 1.16.1-r1::gentoo sys-devel/binutils: 2.32-r1::gentoo sys-devel/gcc: 9.1.0::gentoo sys-devel/gcc-config: 2.0::gentoo sys-devel/libtool: 2.4.6-r5::gentoo sys-devel/make: 4.2.1-r4::gentoo sys-kernel/linux-headers: 5.0-r1::gentoo (virtual/os-headers) sys-libs/glibc: 2.29-r2::gentoo Repositories: gentoo location: /usr/portage sync-type: rsync sync-uri: rsync://rsync.gentoo.org/gentoo-portage priority: -1000 sync-rsync-verify-max-age: 24 sync-rsync-extra-opts: sync-rsync-verify-jobs: 1 sync-rsync-verify-metamanifest: yes ACCEPT_KEYWORDS="amd64 ~amd64" ACCEPT_LICENSE="* -@EULA" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-O2 -pipe -march=native -mtune=native -mfpmath=sse -mavx2 -maes -mmpx" 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/php/apache2-php7.3/ext-active/ /etc/php/cgi-php7.3/ext-active/ /etc/php/cli-php7.3/ext-active/ /etc/sandbox.d /etc/terminfo" CXXFLAGS="-O2 -pipe -march=native -mtune=native -mfpmath=sse -mavx2 -maes -mmpx" 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 -march=native -mtune=native -mfpmath=sse -mavx2 -maes -mmpx" FEATURES="assume-digests binpkg-docompress binpkg-dostrip binpkg-logs candy cgroup config-protect-if-modified distlocks ebuild-locks fakeroot fixlafiles ipc-sandbox merge-sync metadata-transfer multilib-strict network-sandbox news parallel-fetch pid-sandbox preserve-libs protect-owned sandbox sfperms sign strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync webrsync-gpg xattr" FFLAGS="-O2 -pipe -march=native -mtune=native -mfpmath=sse -mavx2 -maes -mmpx" GENTOO_MIRRORS="http://distfiles.gentoo.org" LANG="ru_RU.UTF-8" LDFLAGS="-Wl,-O1 -Wl,--as-needed" LINGUAS="ru en" MAKEOPTS="-j8" PKGDIR="/usr/portage/packages" PORTAGE_COMPRESS="xz" 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 bash-completion berkdb bzip2 cli crypt cxx dri elogind fortran gdbm iconv icu ipv6 jpeg libtirpc lzma multilib ncurses nls nptl openmp pam pcre png postgres pulseaudio readline samba scanner seccomp ssl tcl theora threads tiff tk unicode v4l vhosts vim vim-syntax wayland xattr 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" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" CPU_FLAGS_X86="aes avx avx2 f16c fma3 mmx mmxext pclmul 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" GRUB_PLATFORMS="efi-64" INPUT_DEVICES="evdev libinput" KERNEL="linux" L10N="ru 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="php7-3" POSTGRES_TARGETS="postgres9_5 postgres10" PYTHON_SINGLE_TARGET="python3_7" PYTHON_TARGETS="python2_7 python3_7" QEMU_USER_TARGETS="aarch64 arm" RUBY_TARGETS="ruby25" USERLAND="GNU" VIDEO_CARDS="intel i965" 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_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS ================================================================= Package Settings ================================================================= dev-util/cmake-3.14.2::gentoo was built with the following: USE="ncurses -doc -emacs -qt5 -system-jsoncpp -test" ABI_X86="(64)" sys-devel/gcc-9.1.0::gentoo was built with the following: USE="cxx fortran (multilib) nls nptl openmp pch (pie) sanitize ssp vtv (-altivec) -d -debug -doc (-fixed-point) -go -graphite (-hardened) (-jit) (-libssp) -objc -objc++ -objc-gc -pgo -systemtap -test -vanilla" ABI_X86="(64)" CFLAGS="-O2 -pipe -march=native -mtune=native" CXXFLAGS="-O2 -pipe -march=native -mtune=native"
cmake seems to build here fine.
tried 3.14.3 and 3.14.2, both build fine.
(In reply to Georgy Yakovlev from comment #2) > tried 3.14.3 and 3.14.2, both build fine. both build fine here as well. Really should be a build.log and config.log provided here.
