You will need a recent GCC/G++ version (>=4.7) to compile the source.
To override the default compiler choice you can set GCC (or GCC_MAC on Mac), e.g.:
1.1 Initialize submodules
This will automatically initialize/pull the latest version of submodules.
Submodules are used as source files, so there is no need to pre-compile them in any way.
For a Linux release version type:
To clean, type:
One can also rebuild, which will cause clean and make to be ran sequentially:
make mac make cleanmac make rebuildmac
1.4. Compiling the debug version
make debug make cleandebug make rebuilddebug