[...]
-- Detecting C compile features
-- Detecting C compile features - done
-- catkin DISABLED
-- Found PythonInterp: /usr/bin/python (found version "2.7.6") 
-- Disabling optimization for target 'platforms__posix__px4_layer' because it matches the regexp 'px4' in env var PX4_NO_OPTIMIZATION
-- Disabling optimization for target 'modules__systemlib' because it matches the regexp '^modules__systemlib$' in env var PX4_NO_OPTIMIZATION
-- Disabling optimization for target 'modules__uORB' because it matches the regexp '^modules__uORB' in env var PX4_NO_OPTIMIZATION
-- Disabling optimization for target 'examples__px4_simple_app' because it matches the regexp 'px4' in env var PX4_NO_OPTIMIZATION
-- Disabling optimization for target 'modules__uORB__uORB_tests' because it matches the regexp '^modules__uORB' in env var PX4_NO_OPTIMIZATION
-- Disabling optimization for target 'px4' because it matches the regexp 'px4' in env var PX4_NO_OPTIMIZATION
-- GIT_TAG = v1.5.0-4-g51b8846
-- Configuring done