search for: make_first

I know this is offtopic, but I hope someone here can give me some guidance. I'm attempting to build sleepyhead (not even on Centos, so it is really OT) and I hit this error: Project ERROR: Unknown module(s) in QT: help Makefile:44: recipe for target 'sub-sleepyhead-make_first-ordered' failed make: *** [sub-sleepyhead-make_first-ordered] Error 3 I don't know anything about using QT, and I've spent hours trying to find a solution to this. there is a qt5help module and it is installed, and I haven't been smart enough to figure out what else this needs....

...In static member function ?static QString Exception::getErrorCode(ErrorCode)?: src/exception.cpp:386:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ make[1]: *** [obj/exception.o] Error 1 make[1]: Leaving directory?/home/hakan/pgmodeler/libutils' make: *** [sub-libutils-make_first-ordered] Error 2 I am a beginner when it comes to compiling applications and would appreciate suggestion how to fix the above. Thank you.