tvheadend ffmpeg

cd /root/tvheadend/build.linux/ffmpeg/x264-snapshot-20170515-2245 && FFMPEG_PREFIX=/root/tvheadend/build.linux/ffmpeg/build/ffmpeg PKG_CONFIG=/root/tvheadend/support/pkg-config.ffmpeg ./configure --prefix=/ffmpeg --enable-static --disable-shared \
        --extra-asflags="-DPIC" \
                --extra-cflags="-fPIE" \
        --disable-cli \
        --disable-swscale \
        --disable-lavf \
        --disable-avs \
        --disable-ffms \
        --disable-gpac \
        --disable-lsmash \
        --host=powerpc-linux-gnuspe
Unknown option --disable-shared, ignored
No working C compiler found.
Makefile.ffmpeg:209: recipe for target '/root/tvheadend/build.linux/ffmpeg/x264-snapshot-20170515-2245/.tvh_build' failed
make[3]: *** [/root/tvheadend/build.linux/ffmpeg/x264-snapshot-20170515-2245/.tvh_build] Error 1
make[3]: Leaving directory '/root/tvheadend'
Makefile:778: recipe for target '/root/tvheadend/build.linux/ffmpeg/build/ffmpeg/lib/libavcodec.a' failed
make[2]: *** [/root/tvheadend/build.linux/ffmpeg/build/ffmpeg/lib/libavcodec.a] Error 2
make[2]: Leaving directory '/root/tvheadend'
debian/rules:11: recipe for target 'override_dh_auto_build' failed
make[1]: *** [override_dh_auto_build] Error 2
make[1]: Leaving directory '/root/tvheadend'
debian/rules:5: recipe for target 'build' failed
make: *** [build] Error 2
dpkg-buildpackage: error: debian/rules build gave error exit status 2