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A comment on Show HN: My C compiler compiled itself. Parent comment

Re:Show HN: My C compiler compiled itself by fuzztester on Wednesday December 04, 2024 @12:38PM (#42319843)
>Lastly, it has “caching” built in:

A nitpick, but I don't think that should really be called caching, although it kind of is, in a looser sense. It's just comparing the file timestamps of the .o and .c files, and building the .o from the .c, if the .c is newer, or if the .o doesn't exist.

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Re:Show HN: My C compiler compiled itself by IgorPartola on Wednesday December 04, 2024 @11:45PM (#42325056)
I mean it’s caching using a key derivation scheme which uses file names rather than file contents. It might not be sophisticated caching but it is caching.
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