Without this fix I was getting:
08:30 $ make && make install Scanning dependencies of target ClangLazy [ 1%] Building CXX object CMakeFiles/ClangLazy.dir/src/checks/level0/qcolor-from-literal.cpp.o In file included from /home/big/Documents/Github/clazy/src/StringUtils.h:29:0, from /home/big/Documents/Github/clazy/src/checks/level0/qcolor-from-literal.cpp:22: /home/big/Documents/Github/clazy/src/Utils.h: In function ‘bool Utils::isMainFile(const clang::SourceManager&, clang::SourceLocation)’: /home/big/Documents/Github/clazy/src/Utils.h:280:21: error: invalid use of incomplete type ‘const class clang::SourceManager’ loc = sm.getExpansionLoc(loc);