In the project build settings, search for "pch".
There will be an item "Prefix Header" where you should enter the name of your PCH file.
Frage
How can I use a .pch file of a static library in another project,which is using the library.
Lösung
In the project build settings, search for "pch".
There will be an item "Prefix Header" where you should enter the name of your PCH file.