option('leaf_hpp',type:'boolean',value:false,description:'Unit tests #include instead of individual headers') option('leaf_boost_examples',type:'boolean',value:false,description:'Builds the Boost examples and Boost Outcome benchmark') option('leaf_lua_examples',type:'boolean',value:false,description:'Enable or disable downloading of Lua and building the Lua examples') option('leaf_diagnostics',type:'integer',value:1,description:'BOOST_LEAF_CFG_DIAGNOSTICS value') option('leaf_embedded',type:'boolean',value:false,description:'Defines BOOST_LEAF_EMBEDDED') option('leaf_enable_unit_tests',type:'boolean',value:true,description:'Enable the building of unit test programs') option('leaf_enable_examples',type:'boolean',value:true,description:'Enable the building of example programs') option('leaf_enable_benchmarks',type:'boolean',value:false,description:'Enable the building of benchmark programs')