Support Eigen3 as external library and C++11

MTG / gaia

C++ library to apply similarity measures and classiﬁcations on the results of audio analysis, including Python bindings. Together with Essentia it can be used to compute high-level descriptions of music.

http://essentia.upf.edu

GNU Affero General Public License v3.0

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Support Eigen3 as external library and C++11 #88

Closed palonso closed 4 years ago

palonso commented 4 years ago

This PR adds the following changes:

elimite old Eigen src code from 3rdparty
add Eigen through pkgconfig in wscript
Eigen related #includes use angle brackets <> now
use -std=c++11 flag as it doesn't produce errors on Eigen3