ccache support for make buildworld/make release

Ruslan Ermilov ru at
Thu Aug 26 03:45:07 PDT 2004

On Thu, Aug 26, 2004 at 10:57:37AM +0200, Erik Trulsson wrote:
> ccache does take into account that the compiler might be different.
> >From the ccache(1) manpage:
>     The basic idea is to detect when you are  compiling  exactly the  same
>     code a 2nd time and use the previously compiled output. You detect that
>     it is the same code by forming a hash of:
>     o      the pre-processor output from running the compiler with -E
>     o      the command line options
>     o      the real compilers size and modification time
>     o      any stderr output generated by the compiler
> Note the third bulletpoint.

Ruslan Ermilov
ru at
FreeBSD committer
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