Ollie Wild - Re: PATCH: distcc and ccache speedup: adds directives-only preprocessing (original) (raw)

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For a one-shot run (probably good enough) I'd try replacing xgcc in the build tree with a script that runs ccache xgcc.orig in such a way that -fdirectives-only is exercised, and running the C and C++ testsuites to get an idea of whether the patch breaks anything covered by the GCC testsuite.