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The ccache Utility

There’s a very useful tool for gcc and similar compilers called ccache which many people may not be aware is installed on their system. It is a compiler cache. Supported languages include C, C++, Objective-C and Objective-C++. The idea behind ccache is to speed up code recompilation by caching the result of previous compilations and detecting when the same compilation is being done again. While it may take a few seconds longer to compile a program the first time you use ccache, subsequent compiles will typically be much faster. Here is what my ccache cache statistics look like after a