Instructions for cross-compilation for Android:

1. clone OBLO utils repo
2. download Android NDK and enter NDK root directory
3. export shell variable ANDROID_NDK_ROOT: export ANDROID_NDK_ROOT=$PWD
4. go to utils directory and source setenv.sh script
5. download Poco and enter Poco directory
6. mkdir ANDROID && cd ANDROID
7. cmake .. ${POCO_CMAKE_FLAGS}
8. make && make install
9. include and lib directories will be installed in _INSTALL directory
10. copy POCO library to omb/libs/poco
11. go to omb root directory
12. mkdir ANDROID && cd ANDROID
13. cmake .. ${OBLO_CMAKE_FLAGS}
14. make && make install
15. output will be installed in omb/bins
