[CMake] Invoking CMakle outside of the build/source dir.

[Yuri Timenkov]

I guess there are cases when you can't do this.
For example, on Windows you can't simply call "cd -" or you may have other
kind of script than sh one (for example ant).

Also both source dir and binary dir may be relative to current directory,
therefore you don't know neither absolute nor relative to bindir source
path. And determining it may be quite cumbersome (again, in ant this can be
done using property and property names are global and they're evaluated only
once per script, so you can't easily wrap cmake call into macro).

On Mon, Jun 6, 2011 at 6:41 PM, Kishore <kitts.mailinglists at gmail.com>wrote:

> On Monday 06 Jun 2011 12:38:33 PM Campbell Barton wrote:
> > Hi, A handful of times I would have found it useful to run cmake
> > without having to be in the build dir, mostly there is some way to
> > change the CWD or write a shell wrapper, nevertheless it could still
> > be useful when launching builds from scripts or more limited
> > environments.
> >
> > Is there some way to do this?:
> > cmake /some/source/dir /some/build/dir
>
> ... I guess not. Instead just invoke it as
>
> "cd /some/build/dir && cmake /some/source/dir ; cd -"
>
> which should bring you back to the current dir.
>
> > ... rather than
> > cd /some/source/dir ; cmake /some/build/dir
>
> Reversed paths! :P
> --
> Cheers!
> Kishore
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