On Thu, Sep 08, 2016 at 09:57:43AM -0700, Junio C Hamano wrote:
> Jeff King <p...@peff.net> writes:
> > Between the two options for regexec_buf(), I think you have convinced me
> > that REG_STARTEND is better than just using compat/regex everywhere. I
> > do think the fallback for platforms like musl should be "use
> > compat/regex" and not doing an expensive copy (which in most cases is
> > not even necessary).
> I agree with you that it would be the best approach to build
> regexec_buf() that unconditionally uses REG_STARTEND and tell people
> without REG_STARTEND to use compat/regex instead of their platform
> regex library.
> The description in Makefile may want to be rephrased to clarify.
> -# Define NO_REGEX if you have no or inferior regex support in your C library.
> +# Define NO_REGEX if your C library lacks regex support with REG_STARTEND
> +# feature.
> The word "inferior" is not giving any useful information there.
Yeah, very much agreed (and the "#error" when we lack REG_STARTEND I
mentioned earlier may be a good hint).