Re: [Xen-devel] [PATCH v4 09/15] autoconf: xen: force a refresh with autoconf

[Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>]

Luis R. Rodriguez writes ("Re: [Xen-devel] [PATCH v4 09/15] autoconf: xen: 
force a refresh with autoconf"):
> I spotted what I think is a bug on autoconf where I observed
> inconsistent behaviour when you touch a file, sometimes it yielded
> the results you wanted, sometimes it did not, in the end I got close
> to linking the issue to the cache somehow, but before I dove myself
> deeper into autoconf I found a force prevents this issue which let
> me conserve some of the remaining sanity I have left. I'll follow up
> with upstream autoconf on this eventually but figured providing all
> the glory details on this on the commit log was not worth it. I'll
> respin and add all the glory details.

What are the downsides to the -f option ?  Do they apply in our
situation ?  This needs to be discussed.

(I haven't gone and read the autoconf manual; IMO this question ought
to be answered, at least with a prima facie explanation, in the
commit message.)

Ian.

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