-------------------------------------------------------------------------------
-- Phase: setup
-------------------------------------------------------------------------------
Installing /packages/All/indexinfo-0.3.1.tgz
Installing /packages/All/gettext-runtime-0.20.1.tgz
Installing /packages/All/gsed-4.7.tgz
Installing /packages/All/ncurses-6.1.20190525.tgz
Installing /packages/All/bash-5.0.7.tgz
Installing /packages/All/gmp-6.1.2_1.tgz
Installing /packages/All/mpfr-4.0.2.tgz
Installing /packages/All/mpc-1.1.0_2.tgz
Installing /packages/All/binutils-2.32_1,1.tgz
Installing /packages/All/gcc8-8.3.0_3.tgz
Message from gcc8-8.3.0_3:

To ensure binaries built with this toolchain find appropriate versions
of the necessary run-time libraries, you may want to link using

  -Wl,-rpath=/usr/local/lib/gcc8

For ports leveraging USE_GCC, USES=compiler, or USES=fortran this happens
transparently.
Installing /packages/All/gmake-4.2.1_3.tgz

SUCCEEDED 00:00:07

-------------------------------------------------------------------------------
-- Phase: check-sanity
-------------------------------------------------------------------------------
x===>  librsb-1.2.0r7_7 has to be built manually: Optimizes for the local
machine.
*** Error code 1

Stop.
make: stopped in /xports/math/librsb

FAILED 00:00:00