cmake HAS_DEDUCTION_GUIDES examples

ViewTouch/viewtouch external/date-3.0.4/CMakeLists.txt :124 

target_compile_definitions( date INTERFACE HAS_STRING_VIEW=0 -DHAS_DEDUCTION_GUIDES=0 )

RavEngine/RavEngine deps/date/CMakeLists.txt :97 

target_compile_definitions( date INTERFACE HAS_STRING_VIEW=0 -DHAS_DEDUCTION_GUIDES=0 )