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Re: CVS commit: src/usr.bin/make
On Fri, Jun 03, 2016 at 01:21:59AM +0000, Simon J. Gerraty wrote:
> Module Name: src
> Committed By: sjg
> Date: Fri Jun 3 01:21:59 UTC 2016
>
> Modified Files:
> src/usr.bin/make: main.c make.h meta.c nonints.h var.c
>
> Log Message:
> Add cached_realpath()
>
> realpath(3) is expensive, and meta mode at least uses it extensively.
> We use cached_realpath() to save the result of successful calls to
> realpath(3) in a private variable context.
>
> This improves the worst case performance (eg examining libc with
> nothing to do) by a factor of 4.
...except now build.sh on !NetBSD fails immediately due to missing
strlcpy.
Joerg
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