Commit https://git.gnome.org/browse/gimp/commit/libgimpbase/gimpunit.c?id=0c07ae3bbfce06f382f2b8ea3b2d53cf870f3a15 introduced a new function which uses functions from libm, but it looks like they forgot to add the -lm flag to the build system. This error also happens with LTO disabled. My workaround is to add -lm to LIBS= in libgimpbase/Makefile. emerge --info gimp Portage 2.3.8 (python 3.5.3-final-0, default/linux/amd64/13.0/systemd, gcc-7.2.0, glibc-2.25-r4, 4.12.8-HAUIHAU x86_64) ================================================================= System Settings ================================================================= System uname: Linux-4.12.8-HAUIHAU-x86_64-Intel-R-_Core-TM-_i7-6600U_CPU_@_2.60GHz-with-gentoo-2.4.1 KiB Mem: 20450804 total, 5042884 free KiB Swap: 20971516 total, 20971516 free Timestamp of repository gentoo: Mon, 28 Aug 2017 21:00:01 +0000 Head commit of repository gentoo: e024022f07299defa43eda58572b1f003b3d103c sh bash 4.4_p12 ld GNU gold (Gentoo 2.28.1 p1.0 2.28.1) 1.14 app-shells/bash: 4.4_p12::gentoo dev-java/java-config: 2.2.0-r3::gentoo dev-lang/perl: 5.24.2::gentoo dev-lang/python: 2.7.13::gentoo, 3.5.3::gentoo dev-util/cmake: 3.9.1::gentoo dev-util/pkgconfig: 0.29.2::gentoo sys-apps/baselayout: 2.4.1-r1::gentoo sys-apps/sandbox: 2.10-r4::gentoo sys-devel/autoconf: 2.13::gentoo, 2.69-r4::gentoo sys-devel/automake: 1.13.4-r1::gentoo, 1.15.1-r1::gentoo sys-devel/binutils: 2.28.1::gentoo sys-devel/gcc: 6.3.0::gentoo, 7.2.0::gentoo sys-devel/gcc-config: 1.8-r1::gentoo sys-devel/libtool: 2.4.6-r4::gentoo sys-devel/make: 4.2.1-r1::gentoo sys-kernel/linux-headers: 4.11::gentoo (virtual/os-headers) sys-libs/glibc: 2.25-r4::gentoo Repositories: gentoo location: /usr/portage sync-type: rsync sync-uri: rsync://rsync.gentoo.org/gentoo-portage priority: -1000 hauihau location: /usr/local/portage/hauihau masters: gentoo priority: 0 ACCEPT_KEYWORDS="amd64 ~amd64" ACCEPT_LICENSE="*" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-march=native -O3 -pipe -flto=5 -fuse-linker-plugin" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/lib64/libreoffice/program/sofficerc /usr/share/config /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 -flto=5 -fuse-linker-plugin -fno-delete-null-pointer-checks -flifetime-dse=1" DISTDIR="/usr/portage/distfiles" EMERGE_DEFAULT_OPTS="--autounmask=n --keep-going=y --quiet-build=y --quiet-fail=y --with-bdeps=y" FCFLAGS="-O2 -pipe" FEATURES="assume-digests binpkg-logs config-protect-if-modified distlocks ebuild-locks fakeroot fixlafiles merge-sync metadata-transfer multilib-strict news parallel-fetch parallel-install preserve-libs protect-owned sandbox sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync xattr" FFLAGS="-O2 -pipe" GENTOO_MIRRORS="http://distfiles.gentoo.org" LANG="de_DE.utf8" LC_ALL="de_DE.utf8" LDFLAGS="-march=native -O3 -pipe -flto=5 -fuse-linker-plugin -Wl,-O1 -Wl,--as-needed -Wl,--hash-style=gnu -Wl,--gc-sections -Wl,--icf=safe" 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 --exclude=/.git" PORTAGE_TMPDIR="/home/gentoo/tmp/" USE="X a52 aac aalib acl alsa amd64 avx avx2 bash-completion berkdb bluetooth bluray branding bzip2 cairo caps cdda cddb cdparanoia cdr cli cracklib crypt cups curl cxx dbus dga dri dts dv dvd egl encode exif ffmpeg flac fontconfig fortran ftp gd gdbm gif gmp gstreamer iconv icu imagemagick imlib ipv6 jpeg jpeg2k lame latex libcaca libnotify libsamplerate lzma lzo mad matroska mmx mmxext mng modules mp3 mpeg mtp multilib musepack ncurses networkmanager nls nptl nsplugin ogg openal opengl openmp pam pcre pdf png policykit pulseaudio qt5 quicktime readline seccomp session sndfile spell sse sse2 sse3 sse4 sse4_1 sse4_2 ssl ssse3 svg syslog systemd tcpd theora threads tiff truetype udev unicode usb v4l vaapi vcd vim-syntax vorbis wavpack wayland webkit x264 xattr xcb xcomposite xinerama xml xmp xorg xosd xpm xv xvid zlib" ABI_X86="64" 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="kexi words flow plan sheets stage tables krita karbon braindump author" 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" GRUB_PLATFORMS="efi-64" INPUT_DEVICES="libinput" KERNEL="linux" L10N="de" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" LINGUAS="de" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php5-6" POSTGRES_TARGETS="postgres9_5" PYTHON_SINGLE_TARGET="python3_5" PYTHON_TARGETS="python3_5" QEMU_SOFTMMU_TARGETS="i386 x86_64" QEMU_USER_TARGETS="i386 x86_64" RUBY_TARGETS="ruby24" 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, INSTALL_MASK, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS ================================================================= Package Settings ================================================================= media-gfx/gimp-2.9.6::gentoo was built with the following: USE="aalib alsa jpeg2k mng pdf udev xpm (-altivec) (-aqua) -debug -doc -gnome -openexr -postscript -python -smp -test -vector-icons -webp -wmf" ABI_X86="(64)" CPU_FLAGS_X86="mmx sse" LINGUAS="de -am -ar -ast -az -be -bg -br -ca -ca@valencia -cs -csb -da -dz -el -en_CA -en_GB -eo -es -et -eu -fa -fi -fr -ga -gl -gu -he -hi -hr -hu -id -is -it -ja -ka -kk -km -kn -ko -lt -lv -mk -ml -ms -my -nb -nds -ne -nl -nn -oc -pa -pl -pt -pt_BR -ro -ru -rw -si -sk -sl -sr -sr@latin -sv -ta -te -th -tr -tt -uk -vi -xh -yi -zh_CN -zh_HK -zh_TW" PYTHON_TARGETS="-python2_7"
Created attachment 491074 [details] media-gfx/gimp-2.9.6 bulld.log
Created attachment 491076 [details, diff] workaround patch
*** This bug has been marked as a duplicate of bug 629300 ***
(In reply to iGentoo from comment #2) > Created attachment 491076 [details, diff] [details, diff] > workaround patch Excellent patch, thank you! FYI I haven taken it upstream to https://bugzilla.gnome.org/show_bug.cgi?id=787019 now.
