In this tool window you can observe the CMake output messages, including the errors and warnings. Note, that the tabs of tool window caption correspond to the generated built types as defined in CMake settings dialog.
Tooltip and shortcut
Reload CMake Project
Click this button to reload the CMake project.
Stop CMake Project Reload
Click this button to cancel the process of CMake project reload. The button is grayed-out when there is no active reload running.
Open CMakeCache file
Click this button to open the CMakeCache.txt file in the editor.