# emerge -pqv '=media-libs/alsa-lib-1.1.6-r1::gentoo'
[ebuild   R   ] media-libs/alsa-lib-1.1.6-r1  USE="thread-safety -alisp -debug -doc -python" ABI_X86="(64) -32 (-x32)" PYTHON_SINGLE_TARGET="python3_5 -python2_7 -python3_4 -python3_6" PYTHON_TARGETS="python2_7 python3_5 -python3_4 -python3_6"