问题
How do I force Eclipse to treat a file-type as a C/C++ file so it'll index them?
My makefiles create .pp files for pre-processor output and I want to view those as C/C++ files.
回答1:
You can define a mapping from the .pp extension to the C++ Source File file type in Preferences | C/C++ | File Types.
来源：https://stackoverflow.com/questions/46163332/eclipse-how-to-treat-file-extension-as-c-file