make[2]: Entering directory '/var/tmp/portage/media-libs/musicbrainz-5.1.0/work/musicbrainz-5.1.0_build'
make[2]: *** No rule to make target 'src/*.inc', needed by 'src/mb5_c.cc'. Stop.
make[2]: Entering directory '/var/tmp/portage/media-libs/musicbrainz-5.1.0/work/musicbrainz-5.1.0_build'
make[2]: *** No rule to make target 'src/*.inc', needed by 'src/mb5_c.cc'. Stop.