As the title. Reproducible: Always Steps to Reproduce: # emerge '=media-sound/csound-6.05.0' Actual Results: ERROR: media-sound/csound-6.05.0::gentoo failed (prepare phase): python_export called without a python implementation and EPYTHON is unset Expected Results: (It compiles without error.) Portage 2.2.20 (python 2.7.10-final-0, default/linux/amd64/13.0/desktop, gcc-4.9.3, glibc-2.21-r1, 4.1.2-gentoo x86_64) ================================================================= System Settings ================================================================= System uname: Linux-4.1.2-gentoo-x86_64-Intel-R-_Core-TM-_i7-3720QM_CPU_@_2.60GHz-with-gentoo-2.2 KiB Mem: 7995140 total, 4488524 free KiB Swap: 8388604 total, 8175460 free Timestamp of repository gentoo: Thu, 30 Jul 2015 00:45:01 +0000 sh bash 4.3_p39 ld GNU ld (Gentoo 2.25.1 p1.0) 2.25.1 app-shells/bash: 4.3_p39::gentoo dev-java/java-config: 2.2.0::gentoo dev-lang/perl: 5.22.0::gentoo dev-lang/python: 2.7.10::gentoo, 3.4.3::gentoo dev-util/cmake: 3.3.0::gentoo sys-apps/baselayout: 2.2::gentoo sys-apps/openrc: 0.17::gentoo sys-apps/sandbox: 2.6-r1::gentoo sys-devel/autoconf: 2.13::gentoo, 2.69-r1::gentoo sys-devel/automake: 1.10.3-r1::gentoo, 1.11.6-r1::gentoo, 1.13.4::gentoo, 1.14.1::gentoo, 1.15::gentoo sys-devel/binutils: 2.25.1::gentoo sys-devel/gcc: 4.9.3::gentoo sys-devel/gcc-config: 1.8::gentoo sys-devel/libtool: 2.4.6-r1::gentoo sys-devel/make: 4.1-r1::gentoo sys-kernel/linux-headers: 4.1::gentoo (virtual/os-headers) sys-libs/glibc: 2.21-r1::gentoo Repositories: gentoo-zh location: /usr/overlay/gentoo-zh sync-type: git sync-uri: https://github.com/microcai/gentoo-zh.git masters: gentoo priority: 25 gentoo location: /usr/portage sync-type: webrsync sync-uri: rsync://rsync.cn.gentoo.org/gentoo-portage priority: 50 haskell location: /usr/overlay/haskell sync-type: git sync-uri: https://github.com/gentoo-haskell/gentoo-haskell.git masters: gentoo priority: 75 caspervector location: /usr/local/portage masters: gentoo priority: 100 ACCEPT_KEYWORDS="amd64 ~amd64" ACCEPT_LICENSE="* -@EULA" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-pipe -march=ivybridge -O2" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/lib64/libreoffice/program/sofficerc /usr/share/easy-rsa /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="-pipe -march=ivybridge -O2" DISTDIR="/usr/portage/distfiles" EMERGE_DEFAULT_OPTS="--with-bdeps=y --keep-going=y" FCFLAGS="-O2 -pipe" FEATURES="assume-digests binpkg-logs cgroup compressdebug config-protect-if-modified distlocks ebuild-locks fakeroot fixlafiles merge-sync news parallel-fetch parallel-install preserve-libs protect-owned sandbox sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync webrsync-gpg" FFLAGS="-O2 -pipe" GENTOO_MIRRORS="https://mirrors.tuna.tsinghua.edu.cn/gentoo/ https://mirrors.ustc.edu.cn/gentoo/" INSTALL_MASK="/etc/systemd /usr/lib/systemd /usr/lib64/systemd" LANG="en_GB.UTF-8" LDFLAGS="-Wl,-O1 -Wl,--as-needed" MAKEOPTS="-j9" PKGDIR="/usr/portage/packages" PORTAGE_COMPRESS="xz" PORTAGE_COMPRESS_FLAGS="" PORTAGE_CONFIGROOT="/" PORTAGE_RSYNC_EXTRA_OPTS="--human-readable -4 --timeout=32" 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" USE="X a52 aac acl acpi alsa amd64 bash-completion berkdb bluetooth branding bzip2 cairo caps cdda cdr cli cracklib crypt cxx dri dts dvd dvdr emboss encode exif fam ffmpeg fftw firefox flac fontconfig fortran geoip gif glamor gpg gpm gtk iconv ipv6 jack jpeg lcms libedit libnotify mad maildir mmx mmxext mng modules mp3 mp4 mpeg multilib ncurses nls nptl ogg opengl openmp pam pango pcre pdf png ppds qt3support qt4 readline sdl session smp socks5 sse sse2 ssl startup-notification svg tcpd threads tiff truetype udev unicode upower usb v4l vaapi vim-syntax vorbis wxwidgets x264 xcb xft xinerama xml xv xvid zlib zsh-completion" 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" CAMERAS="ptp2" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" CPU_FLAGS_X86="mmx mmxext sse sse2 sse3 ssse3" 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" GRUB_PLATFORMS="efi-64" INPUT_DEVICES="evdev synaptics" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" LINGUAS="en_GB" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php5-5" PYTHON_SINGLE_TARGET="python2_7" PYTHON_TARGETS="python2_7 python3_4" RUBY_TARGETS="ruby19 ruby20" USERLAND="GNU" VIDEO_CARDS="i965 intel" 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" USE_PYTHON="2.7 3.4" Unset: CPPFLAGS, CTARGET, LC_ALL, PORTAGE_BUNZIP2_COMMAND
+ 02 Aug 2015; Ben de Groot <yngwin@gentoo.org> csound-6.05.0.ebuild: + Improve python handling (bug #556342) Please report back if there is still a problem.
> Please report back if there is still a problem. Works for me now; thanks!