Don't hardcode generator, otherwise it breaks when we want to use in toplevel ninja build system

kf5-frameworks-build-include

@@ -56,8 +56,11 @@ end module-set
 module-set frameworks
     repository kde-projects
     use-modules frameworks
-    # The CodeBlocks generator allows usage in QtCreator, while still generating Makefiles
-    cmake-options -DBUILD_TESTING=TRUE -DCMAKE_BUILD_TYPE:STRING=debug -G "CodeBlocks - Unix Makefiles"
+    # The CodeBlocks generator allows usage in QtCreator, while still generating Makefiles 
+    # if you use Make as build system add to cmake-options -G "CodeBlocks - Unix Makefiles"
+    # if you use Ninja as build system add to cmake-options -G "CodeBlocks - Ninja"
+    # see http://www.cmake.org/cmake/help/v3.0/generator/CodeBlocks.html
+    cmake-options -DBUILD_TESTING=TRUE -DCMAKE_BUILD_TYPE:STRING=debug
 end module
 
 # Example of how to set options for just one module from a module-set... this is