$ scons .
scons: Reading SConscript files ...
Checking for sigc::signal1 sig in C++ library sigc-2.0... (cached) yes
Checking for XML_ParserCreate(NULL) in C library expat... (cached) yes
Checking for zlibVersion() in C library z... (cached) yes
Checking for SDL_Init(0) in C++ library SDL... (cached) yes
Checking for IMG_Load(0) in C++ library SDL_image... (cached) yes
Checking...
By default support for Lua is disabled. But without this option source files don't compile.
src/game_monitor.cpp: In member function 'const std::string IGameMonitor::onConsole(const std::string&, const std::string&)':
src/game_monitor.cpp:918: error: 'lua_hooks' was not declared in this scope
src/game_monitor.cpp:920: error: 'lua_hooks' was not declared in this scope
scons: ***...