[CMake] CPack (RPM) and install()

[Eric Noulard]

2010/6/23 Magnus Therning <magnus at therning.org>:
> On Wed, Jun 23, 2010 at 15:41, Eric Noulard <eric.noulard at gmail.com> wrote:
>> 2010/6/23 Magnus Therning <magnus at therning.org>:
> [...]
>>> - The variable CMAKE_INSTALL_PREFIX is not used at all during RPM
>>> building.  CMAKE_INSTALL_PREFIX is /usr/local, but files get put into
>>> /usr in the RPM.  Is this a bug?
>>
>> It should be using it.

My mistake.
You should define: CPACK_PACKAGING_INSTALL_PREFIX for defining your
"packaging" prefix.

This must be true for all CPack generator.

We "may" set CPACK_PACKAGING_INSTALL_PREFIX to "CMAKE_INSTALL_PREFIX"
but this would break backward compatibility...

CPack generators (including CPackRPM)  were used to provided their
**own** default value
for "CPACK_PACKAGING_INSTALL_PREFIX".

For RPM it is "/usr".


>
> Here's an example of what I mean:
>
>  bash-3.2# cmake ..
>  -- Found OCAML: 3.11.0
>  -- prefix: /usr/local
>  -- Configuring done
>  -- Generating done
>  -- Build files have been written to: /myrepos/ocaml-libs.hg/_build
[...]

>  bash-3.2# make package > /dev/null
>  bash-3.2# rpm -ql -p ocaml-libs-0.0.0-Linux.rpm
>  /usr
>  /usr/lib
>  /usr/lib/ocaml
>  /usr/lib/ocaml/ocamltest
>  /usr/lib/ocaml/ocamltest/META
>  /usr/lib/ocaml/ocamltest/ocamltest.a
>  /usr/lib/ocaml/ocamltest/ocamltest.cma
>  /usr/lib/ocaml/ocamltest/ocamltest.cmi
>  /usr/lib/ocaml/ocamltest/ocamltest.cmxa
>  /usr/lib/ocaml/ocamltest/ocamltest.ml
>  /usr/lib/ocaml/ocamltest/ocamltest.mli


> I'll take a look at this since I need to fix what's included in the source RPM
> next :-)

Patch are always welcome (but in this case It may not be acceptable
because it would break backward compatibility for a problem which
already have a solution)

If you do want to provide some patch please open a bug tracker entry
and attach your patch
to the tracker and/or provide some git repo containing your proposal
and indicate its url
in the tracker.  I.e. always open tracker entry for a patch proposal.
-- 
Erk
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