Here is a summary of the 3rd third party components used at the current timelicensing as of the 1.11 release.

Bundled with

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Source Code

cptCpt	versionVersion	licenceLicense	license linkLicense Link
libstemmer-porter	porter2	BSD	http://snowballstem.org/license.html
m_widen_init	none	MIT	https://github.com/apache/incubator-madlib/blob/master/licenses/third_party/_M_widen_init.txt
python-argparse	1.2.1	Python	https://wiki.python.org/moin/PythonSoftwareFoundationLicenseFaq
pyyaml	3.10	MIT	http://pyyaml.org/wiki/PyYAML
UseLATEX.cmake	2.1.1	BSD	See header of https://github.com/kmorel/UseLATEX/blob/master/UseLATEX.cmake

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cptCpt	versionVersion	licenceLicense	license linkLicense Link	notesNotes
boost	1.61.0	MIT	http://www.boost.org/users/license.html
pyxb	1.2.4	Apache 2.0	http://pyxb.sourceforge.net/legal.html	See Note 1 below
eigen	3.2	MPL 2.0	http://eigen.tuxfamily.org/index.php?title=Main_Page#License	See Note 2 below

Note 1

PyXB: Python XML Schema Bindings
http://pyxb.sourceforge.net/

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At build time, we remove this GPL sub-component since it is not needed,
just to be 100% sure we are only including Apache License Version 2.0 software.
This is the reason there is a message during build that says “PyXB: Removing GPL component from code base”

Note 2

Eigen
http://eigen.tuxfamily.org/

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