When compiling in Qt I get this error and can not execute.
Project ERROR: Can not run compiler 'g ++'. Maybe you forgot to setup the environment? 15:22:23: The process "C: \ Qt \ 5.9.1 \ mingw53_32 \ bin \ qmake.exe" exited with code 3. While error building / deploying project mapviewer (kit: Desktop Qt 5.9.1 MinGW 32bit) When executing step "qmake"