#81 make install fails on doc_generation

[Dennis]

tulip-3.6.1 fails on doc generation with Sphinx-1.1.2 with;

[100%] Built target InteractorMagicSelection-3.6.1
[100%] Checking if documentation files are present
[100%] Built target doc_generation
Traceback (most recent call last):
File "/usr/bin/sphinx-build", line 5, in <module>
from pkg_resources import load_entry_point
File "/usr/lib/python2.7/site-packages/pkg_resources.py", line 2709, in <module>
working_set.require(__requires__)
File "/usr/lib/python2.7/site-packages/pkg_resources.py", line 686, in require
needed = self.resolve(parse_requirements(requirements))
File "/usr/lib/python2.7/site-packages/pkg_resources.py", line 584, in resolve
raise DistributionNotFound(req)
pkg_resources.DistributionNotFound: Pygments>=1.2
[100%] Built target pythonBindingsDoc
Install the project...

Then when it tries to install;

-- Installing: /usr/share/tulip/bitmaps/candiSprite.png
-- Installing: /usr/share/tulip/bitmaps/edgeBlomSprite.png
-- Installing: /usr/share/tulip/bitmaps/edgeSpring.png
-- Installing: /usr/share/tulip/bitmaps/titlebarGradient.png
-- Installing: /usr/share/tulip/tulip361.qhc
-- Installing: /usr/share/tulip/tulip361.qch
CMake Error at docs/python/cmake_install.cmake:36 (FILE):
file INSTALL cannot find
"/usr/src/tulip-3.6.1-src/tulip-oosb/docs/python/html".
Call Stack (most recent call first):
docs/cmake_install.cmake:44 (INCLUDE)
cmake_install.cmake:59 (INCLUDE)

make: *** [install] Error 1

Using -DBUILD_DOC=OFF had no effect.