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Re: New substitution: top_build_prefix


From: Eric Blake
Subject: Re: New substitution: top_build_prefix
Date: Sat, 10 Nov 2007 12:20:27 -0700
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According to Ralf Wildenhues on 11/10/2007 4:00 AM:

Hi Ralf,

> Hmm, do you think I could make the version comparison be against
> `2.61a.265'?

Yes, that will work, thanks to my recent fix to m4_version_unletter...

>  Do you see a more straightforward way to find out whether
> Autoconf substitutes top_build_prefix, i.e., can I access `autom4te
> --trace' results from within macro files?  I could define a helper macro
> in Autoconf, but that wouldn't feel much nicer either.

although I kind of like Benoit's suggestion of also providing a witness
macro in autoconf, so that the test can be made independent of whether the
patch is backported to earlier autoconf versions.

- --
Don't work too hard, make some time for fun as well!

Eric Blake             address@hidden
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