What is the difference between gcc/g++ and cc1/cc1plus?
When I compile my projects and check the resources used by running top , the big CPU/memory hog is sometimes called g++ and sometimes cc1plus . What is the difference between the two, and should I ever call cc1plus directly?
What is the difference between the two,
The g++ is a compiler driver. It knows how to invoke the actual compiler ( cc1plus ), assembler and linker. It does not know how to parse or compile the sources.
and should I ever call cc1plus directly?
No.
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