* Package:    media-sound/klick-0.12.2
 * Repository: gentoo
 * Maintainer: karl.j.linden@gmail.com proxy-maint@gentoo.org
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux osc userland_GNU
 * FEATURES:   preserve-libs sandbox userpriv usersandbox
>>> Unpacking source...
>>> Unpacking klick-0.12.2.tar.gz to /var/tmp/portage/media-sound/klick-0.12.2/work
>>> Source unpacked in /var/tmp/portage/media-sound/klick-0.12.2/work
>>> Preparing source in /var/tmp/portage/media-sound/klick-0.12.2/work/klick-0.12.2 ...
 * Applying klick-0.12.2-sconstruct.patch ...
 [ ok ]
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/media-sound/klick-0.12.2/work/klick-0.12.2 ...
>>> Source configured.
>>> Compiling source in /var/tmp/portage/media-sound/klick-0.12.2/work/klick-0.12.2 ...
scons -j1 CXX=x86_64-pc-linux-gnu-g++ CXXFLAGS=-march=native -O2 -pipe LINKFLAGS=-Wl,-O1 -Wl,--as-needed PREFIX=/usr DESTDIR=/var/tmp/portage/media-sound/klick-0.12.2/image/ DEBUG=no OSC=yes RUBBERBAND=no
scons: Reading SConscript files ...
scons: done reading SConscript files.
scons: Building targets ...
x86_64-pc-linux-gnu-g++ -o src/main.o -c -march=native -O2 -pipe -DNDEBUG -DVERSION=\"0.12.2\" -DDATA_DIR=\"/usr/share/klick\" -DHAVE_SNDFILE_OGG -DENABLE_OSC -DENABLE_TERMINAL src/main.cc
x86_64-pc-linux-gnu-g++ -o src/klick.o -c -march=native -O2 -pipe -DNDEBUG -DVERSION=\"0.12.2\" -DDATA_DIR=\"/usr/share/klick\" -DHAVE_SNDFILE_OGG -DENABLE_OSC -DENABLE_TERMINAL src/klick.cc
In file included from src/klick.cc:26:0:
src/metronome_map.hh:51:42: error: ‘constexpr’ needed for in-class initialization of static data member ‘const double MetronomeMap::TICKS_PER_BEAT’ of non-integral type [-fpermissive]
     static double const TICKS_PER_BEAT = 1920.0;
                                          ^~~~~~
In file included from src/klick.cc:28:0:
src/metronome_simple.hh:62:38: error: ‘constexpr’ needed for in-class initialization of static data member ‘const float MetronomeSimple::MAX_TAP_AGE’ of non-integral type [-fpermissive]
     static float const MAX_TAP_AGE = 3.0;
                                      ^~~
src/metronome_simple.hh:63:35: error: ‘constexpr’ needed for in-class initialization of static data member ‘const float MetronomeSimple::TAP_DIFF’ of non-integral type [-fpermissive]
     static float const TAP_DIFF = 0.2;
                                   ^~~
scons: *** [src/klick.o] Error 1
scons: building terminated because of errors.
 * ERROR: media-sound/klick-0.12.2::gentoo failed (compile phase):
 *   escons failed.
 * 
 * Call stack:
 *     ebuild.sh, line  115:  Called src_compile
 *   environment, line 1075:  Called escons 'CXX=x86_64-pc-linux-gnu-g++' 'CXXFLAGS=-march=native -O2 -pipe' 'LINKFLAGS=-Wl,-O1 -Wl,--as-needed' 'PREFIX=/usr' 'DESTDIR=/var/tmp/portage/media-sound/klick-0.12.2/image/' 'DEBUG=no' 'OSC=yes' 'RUBBERBAND=no'
 *   environment, line  541:  Called die
 * The specific snippet of code:
 *                   die -n "escons failed."
 * 
 * If you need support, post the output of `emerge --info '=media-sound/klick-0.12.2::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=media-sound/klick-0.12.2::gentoo'`.
 * The complete build log is located at '/var/log/portage/media-sound:klick-0.12.2:20160917-091559.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/media-sound/klick-0.12.2/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/media-sound/klick-0.12.2/temp/environment'.
 * Working directory: '/var/tmp/portage/media-sound/klick-0.12.2/work/klick-0.12.2'
 * S: '/var/tmp/portage/media-sound/klick-0.12.2/work/klick-0.12.2'