seems to be doc USE does not work, because the documentation is not possible after emerge with USE"doc" [I] sci-mathematics/octave Available versions: 3.6.4(0/3.6.4) 3.8.2-r2(0/3.8.2) (~)4.2.0-r3(0/4.2.0) {X curl doc fftw +glpk gnuplot graphicsmagick gui hdf5 +imagemagick java opengl Installed versions: 4.2.0-r3(22:02:53 10.01.2017)(X curl doc fftw glpk gnuplot gui hdf5 imagemagick java opengl openssl portaudio postscript qhull qrupdat Homepage: http://www.octave.org/ Description: High-level interactive language for numerical computations Reproducible: Always Portage 2.3.3 (python 3.5.2-final-0, default/linux/amd64/13.0/desktop/plasma/systemd, gcc-5.4.0, glibc-2.23-r3, 4.9.2-gentoo x86_64) ================================================================= System uname: Linux-4.9.2-gentoo-x86_64-Intel-R-_Core-TM-_i7-3740QM_CPU_@_2.70GHz-with-gentoo-2.3 KiB Mem: 24626196 total, 22069376 free KiB Swap: 26488828 total, 26488828 free Timestamp of repository gentoo: Tue, 10 Jan 2017 21:30:01 +0000 Timestamp of repository poly-c: Tue, 10 Jan 2017 19:10:57 +0000 sh bash 4.4_p5-r1 ld GNU ld (Gentoo 2.27 p1.0) 2.27 app-shells/bash: 4.4_p5-r1::gentoo dev-java/java-config: 2.2.0-r3::gentoo dev-lang/perl: 5.24.1_rc4::gentoo dev-lang/python: 2.7.12::gentoo, 3.4.5::gentoo, 3.5.2::gentoo dev-util/cmake: 3.7.1::gentoo dev-util/pkgconfig: 0.29.1::gentoo sys-apps/baselayout: 2.3::gentoo sys-apps/openrc: 0.23.1::gentoo sys-apps/sandbox: 2.10-r3::gentoo sys-devel/autoconf: 2.13::gentoo, 2.69-r2::gentoo sys-devel/automake: 1.13.4-r1::gentoo, 1.14.1-r1::gentoo, 1.15-r2::gentoo sys-devel/binutils: 2.27::gentoo sys-devel/gcc: 5.4.0-r2::gentoo sys-devel/gcc-config: 1.8-r1::gentoo sys-devel/libtool: 2.4.6-r2::gentoo sys-devel/make: 4.2.1::gentoo sys-kernel/linux-headers: 4.9::gentoo (virtual/os-headers) sys-libs/glibc: 2.23-r3::gentoo Repositories:
Without an error message, it's hard to guess the reason for your problem. But it could be Bug 591818. Is package dev-texlive/texlive-fontsrecommended installed on your system? If not: please install it and re-emerge octave. Do you still get errors?