jsoncpp FastWriter is deprecated

/builddir/build/BUILD/cmake-3.12.0/Source/cmake.cxx: In member function 'std::__cxx11::string cmake::ReportCapabilities(bool) const':
/builddir/build/BUILD/cmake-3.12.0/Source/cmake.cxx:281:20: warning: 'FastWriter' is deprecated: Use StreamWriterBuilder instead [-Wdeprecated-declarations]
   Json::FastWriter writer;
                    ^~~~~~
In file included from /builddir/build/BUILD/cmake-3.12.0/Utilities/cm_jsoncpp_writer.h:9,
                 from /builddir/build/BUILD/cmake-3.12.0/Source/cmake.cxx:31:
/usr/include/json/writer.h:163:70: note: declared here
 class JSONCPP_DEPRECATED("Use StreamWriterBuilder instead") JSON_API FastWriter : public Writer {
                                                                      ^~~~~~~~~~