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Re: invoking config.status

From: Raja R Harinath
Subject: Re: invoking config.status
Date: Fri, 23 Aug 2002 22:45:10 -0500
User-agent: Gnus/5.090008 (Oort Gnus v0.08) Emacs/21.3.50 (i686-pc-linux-gnu)


Harlan Stenn <address@hidden> writes:

> Under 1.5, it would appear that:
>  CONFIG_FILES=Makefile config.status
> differs from:
>  config.status Makefile

Well, this is a 'autoconf 2.5x' feature.

> in 2 ways:
> - "config.status Makefile" will look up the input templates and follow them,
>   producing the Makefile as specified from AC_CONFIG_FILES(...) .

This is right.

> - "CONFIG_FILES=Makefile config.status" will produce Makefile using the
>   implicit template, and then run the default-1
>   script (ie, "do the dependency thing").

The first part of this may be a bug in (older?) versions of 'autoconf'.

> As for the "run the dependency stuff" piece, is it a bug or a feature that
> it's run in one case and not in the other?  I'm not sure if the behavior has
> changed in 1.6.3 or not - I'll probably dig there this weekend.

I guess it's a feature in 'autoconf'.  This is handled, somewhat
hackily, in v1.6: look for $(am__depfiles_maybe).  It is waiting for
a better way to express hooks on CONFIG_FILES in 'autoconf'.

- Hari
Raja R Harinath ------------------------------ address@hidden

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