* Package:    media-gfx/pencil-0.6.1_rc1
 * Repository: gentoo
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux userland_GNU
 * FEATURES:   network-sandbox preserve-libs sandbox userpriv usersandbox
>>> Unpacking source...
>>> Unpacking pencil-0.6.1_rc1.tar.gz to /var/tmp/portage/media-gfx/pencil-0.6.1_rc1/work
>>> Source unpacked in /var/tmp/portage/media-gfx/pencil-0.6.1_rc1/work
>>> Preparing source in /var/tmp/portage/media-gfx/pencil-0.6.1_rc1/work/pencil-0.6.1-rc1 ...
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/media-gfx/pencil-0.6.1_rc1/work/pencil-0.6.1-rc1 ...
 * Running qmake ...
Info: creating stash file /var/tmp/portage/media-gfx/pencil-0.6.1_rc1/work/pencil-0.6.1-rc1/.qmake.stash
 [ ok ]
>>> Source configured.
>>> Compiling source in /var/tmp/portage/media-gfx/pencil-0.6.1_rc1/work/pencil-0.6.1-rc1 ...
make -j1 
cd core_lib/ && ( test -e Makefile || /usr/lib64/qt5/bin/qmake -o Makefile /var/tmp/portage/media-gfx/pencil-0.6.1_rc1/work/pencil-0.6.1-rc1/core_lib/core_lib.pro 'QMAKE_AR=x86_64-pc-linux-gnu-ar cqs' QMAKE_CC=x86_64-pc-linux-gnu-gcc QMAKE_LINK_C=x86_64-pc-linux-gnu-gcc QMAKE_LINK_C_SHLIB=x86_64-pc-linux-gnu-gcc QMAKE_CXX=x86_64-pc-linux-gnu-g++ QMAKE_LINK=x86_64-pc-linux-gnu-g++ QMAKE_LINK_SHLIB=x86_64-pc-linux-gnu-g++ QMAKE_OBJCOPY=x86_64-pc-linux-gnu-objcopy QMAKE_RANLIB= QMAKE_STRIP= 'QMAKE_CFLAGS=-O2 -pipe -march=native' QMAKE_CFLAGS_RELEASE= QMAKE_CFLAGS_DEBUG= 'QMAKE_CXXFLAGS=-O2 -pipe -march=native' QMAKE_CXXFLAGS_RELEASE= QMAKE_CXXFLAGS_DEBUG= 'QMAKE_LFLAGS=-Wl,-O1 -Wl,--as-needed' QMAKE_LFLAGS_RELEASE= QMAKE_LFLAGS_DEBUG= ) && make -f Makefile 
Project ERROR: Unknown module(s) in QT: xmlpatterns
make: *** [Makefile:47: sub-core_lib-make_first-ordered] Error 3
 * ERROR: media-gfx/pencil-0.6.1_rc1::gentoo failed (compile phase):
 *   emake failed
 * 
 * If you need support, post the output of `emerge --info '=media-gfx/pencil-0.6.1_rc1::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=media-gfx/pencil-0.6.1_rc1::gentoo'`.
 * The complete build log is located at '/var/log/portage/media-gfx:pencil-0.6.1_rc1:20180624-150402.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/media-gfx/pencil-0.6.1_rc1/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/media-gfx/pencil-0.6.1_rc1/temp/environment'.
 * Working directory: '/var/tmp/portage/media-gfx/pencil-0.6.1_rc1/work/pencil-0.6.1-rc1'
 * S: '/var/tmp/portage/media-gfx/pencil-0.6.1_rc1/work/pencil-0.6.1-rc1'