Merge pull request #1550 from karlnapf/develop

remove jinj2 requirement for unit tests and add comment in readme about custom python

CMakeLists.txt

@@ -771,7 +771,7 @@ OPTION(ENABLE_TESTING "Enable testing" OFF)
 OPTION(TRAVIS_DISABLE_UNIT_TESTS "Disable unit testing to speed up jobs on travis-ci" OFF)
 OPTION(TRAVIS_DISABLE_LIBSHOGUN_TESTS "Disable libshogun tests to speed up jobs on travis-ci" OFF)
 IF(ENABLE_TESTING)
-	FIND_PACKAGE(Jinja2 REQUIRED)
+	FIND_PACKAGE(Jinja2)
 	IF(NOT BUILD_DASHBOARD_REPORTS)	
 		enable_testing()
 	ENDIF()

README.cmake

@@ -37,3 +37,6 @@ cd tests/unit && valgrind --leak-check=full ./shogun-unit-test --gtest_filter=EP
 # specify a different compiler (from CMake FAQ http://www.cmake.org/Wiki/CMake_FAQ "How do I use a different compiler?")
 # You might have to delete the build directory or clear the cmake cache otherwise for this to work
 CC=/path/to/gcc CXX=/path/to/g++ cmake ..
+
+# use a custom python installation for python bindings (here 2.7.1 installed in path/to/python
+cmake -DPYTHON_INCLUDE_DIR=/path/to/python/include/python2.7 -DPYTHON_LIBRARY=path/to/python/python-2.7.1/lib/python2.7 ..