Compile blocks (toolbox compilation process)
tbx_build_blocks(toolbox_name, block_names [, macros_path])
Toolbox short name ; that is, the prefix of the .start file of the toolbox (which shall be in the etc subdirectory).
Block interface function list (in a string vector) ; all name should have a corresponding interface function macro (on the macros subdirectory).
Path to the blocks interface functions ; optional path which allow complex directory structure for interface functions.