installing caffe

isntall all library here

http://caffe.berkeleyvision.org/installation.html

BLAS: OpenBLAS for Gentoo

modify Makefile.config

(read the commented explanation well, and modify as it need to be

note: PYTHON_INCLUDE & PYTHON_LIBRARIES

PYTHON_LIBRARIES=the name of boost_python-x.x.so or just boost_python something

build caffe 

export LD_LIBRARY_PATH=/opt/OpenBLAS/lib

add LD_LIBRARY_PATH="/opt/OpenBLAS/lib:${LD_LIBRARY_PATH}"  in bash configuration file

for gtk 550 ti CUDA version must be 8

and CUDA driver must be downloaded through NVIDIA homepage, not the package manager (e.g. portage)

and need to change gcc version to 5

gcc-config 1 (select the number version 5)

env-update && source /etc/profile && PS1=$PS1

emerge --ask libtool

gcc version later than 5 are not supported

check gcc version

gcc-config -l

gcc-config number

env-update && source /etc/profile

install pycaffe

on Gentoo, install boost-numpy is necessary

export PYTHONPATH=/CAFFE/ROOT/python:$PYTHONPATH
export CAFFE_ROOT=/CAFFE/ROOT
export LD_LIBRARY_PATH=/opt/cuda/lib64:$LD_LIBRARY_PATH

add all export to /etc/environment or bash configuration file (e.g. .zshrc)

and

in /CAFFE/ROOT/

make pycaffe