Created attachment 474432 [details] Full ncmpcpp 0.8 build log % emerge -pqv '=media-sound/ncmpcpp-0.8::gentoo' [ebuild U ] media-sound/ncmpcpp-0.8 [0.7.7] USE="clock taglib -outputs -visualizer (-curl%*) (-unicode%*)" checking for boost/regex.hpp... yes checking for the Boost regex library... no configure: error: cannot find the flags to link with Boost regex % emerge -pqv boost [ebuild R ] dev-libs/boost-1.63.0 USE="icu nls python threads -context -debug -doc -mpi -static-libs -tools" ABI_X86="(64) -32 (-x32)" PYTHON_TARGETS="python2_7 python3_5 python3_6 -python3_4"
If dev-libs/boost needs to be rebuild, one will get the following error message root #emerge ... checking for the Boost _____ library... no configure: error: cannot find the flags to link with Boost _____ One can rebuild with root #emerge --oneshot -av dev-libs/boost https://wiki.gentoo.org/wiki/Upgrading_GCC#rebuild_of_boost Please reopen, if it did not solve the problem.