option('leaf_single_header',type:'boolean',value:false,description:'Unit tests #include "leaf.hpp" instead of individual headers')
option('leaf_boost_available',type:'boolean',value:false,description:'Set to true to enable tests and examples that require Boost')
option('leaf_diagnostics',type:'integer',value:1,description:'BOOST_LEAF_CFG_DIAGNOSTICS value')
option('leaf_capture',type:'integer',value:1,description:'BOOST_LEAF_CFG_CAPTURE 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')