After adding stitching to Python:
<pre>
In file included from /home/user/slave/ubuntu_release_sseON_tbbOFF_gpuOFF_compilergcc_x86/src/opencv/modules/stitching/include/opencv2/stitching/warpers.hpp:46:0,
from /home/user/slave/ubuntu_release_sseON_tbbOFF_gpuOFF_compilergcc_x86/src/opencv/modules/stitching/include/opencv2/stitching/stitcher.hpp:48,
from /home/user/slave/ubuntu_release_sseON_tbbOFF_gpuOFF_compilergcc_x86/src/opencv/modules/python/src2/cv2.cpp:23:
/home/user/slave/ubuntu_release_sseON_tbbOFF_gpuOFF_compilergcc_x86/src/opencv/modules/stitching/include/opencv2/stitching/detail/warpers.hpp:50:32: fatal error: opencv2/gpu/gpu.hpp: No such file or directory
compilation terminated.
make[2]: *** [modules/python/CMakeFiles/opencv_python.dir/src2/cv2.cpp.o] Error 1
make[1]: *** [modules/python/CMakeFiles/opencv_python.dir/all] Error 2
make: *** [all] Error 2
</pre>

Detailed log: http://argus-cv.dnsalias.org:8010/builders/ubuntu_x86%5Brelease%5D%20%20%5Bsse_%3D_ON%5D%20%20%5Btbb_%3D_OFF%5D%20%20%5Bgpu_%3D_OFF%5D%20%20%5Bcompiler_%3D_gcc%5D%20/builds/808/steps/compile/logs/stdio