Re: [Xen-devel] [PATCH 1 of 2 v3] tools: check for documentation generation tools at configure time

[Matt Wilson <msw@xxxxxxxxxx>]

On Mon, Sep 17, 2012 at 10:42:44AM +0100, Ian Campbell wrote:
>         configure: error: in 
> `/home/xendocs/cronjobs/working/docs/unstable/tree/tools':
>         configure: error: no acceptable C compiler found in $PATH
>         See `config.log' for more details
> 
> Which is a bit annoying if all you wanted was to build docs. I'm not
> sure I really want to advocate putting gcc on xenbits. I suppose I could
> put a dummy shell script in $PATH.

./configure is probably going to need a compiler that produces
executables.

> AIUI autoconf allows you to define that a configure script calls a
> sub-configure script. Could we use this at the toplevel to call both
> tools/configure and a new docs/configure? Then my docs scripts could
> just call docs/configure?

This sounds like a better idea.

> FWIW the unrelated issue was:
>         $ make -C docs/ clean
>         /bin/sh: gcc: not found
>         /bin/sh: arithmetic expression: expecting primary: ""
> which I think is down to the gcc version check in Config.mk.

While we're discussing expanding the coverage of ./configure, I
wonder: what (if any) is the resistance to requiring ./configure to
build the xen/ tree?

Matt

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