clang does not work with travis right now
clang does not work with travis right now

hunter-packages/json,nlohmann/json,nlohmann/json,kaidokert/json,Newbrick/json,theodelrieu/json,whackashoe/json,kaidokert/json,nlohmann/json,whackashoe/json,theodelrieu/json,Newbrick/json,stanmihai4/json,stanmihai4/json,Newbrick/json,hunter-packages/json,stanmihai4/json,kaidokert/json,hunter-packages/json