[CMake] cmake documentation incomplete

[Nicholas Braden]

Yes, an existing build saves all the information it needs in the build
cache. Once you have created a build, you never need to specify the
source directory again.

On Thu, Feb 25, 2016 at 9:13 AM, Vania Joloboff <vania.joloboff at inria.fr> wrote:
> Hi,
>
> The cmake documentation says there are two alternatives
> to start cmake
>
> cmake [<options>] (<path-to-source> | <path-to-existing-build>)
>
> But it does not explain nowhere the difference between the two...
> Does the path-to-existing-build retrieve itself the source dir
> and start like if it were invoked with path-to-source
> from path-to-existing-build working directory ?
>
> Vania
>
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