[CMake] Re: Install target and Component (once more)

[Nicolas Burrus]

Oops please refer to the file attached to the previous mail, not to
the inline text, I've messed it up with a wrong >/< => +/-
translation. Sorry about that.

On 9/14/07, Nicolas Burrus <nespub at free.fr> wrote:
> All right, was I propose is the following patch (which seems to work
> fine and not pertubate CPack). Then to set the component to install at
> configure time, one just need to add:
>
> SET(CMAKE_INSTALL_COMPONENT "Runtime")
>
> Any objection against this patch? Is it possible to apply it?
> Thanks,
>
> Index: Source/cmLocalGenerator.cxx
> ===================================================================
> RCS file: /cvsroot/CMake/CMake/Source/cmLocalGenerator.cxx,v
> retrieving revision 1.236
> diff -r1.236 cmLocalGenerator.cxx
> 411a412,413
> -   const char* install_component =
> this->Makefile->GetDefinition("CMAKE_INSTALL_COMPONENT");
> +   if (!install_component) install_component = "";
> 419c421
> +     "    SET(CMAKE_INSTALL_COMPONENT)\n"
> ---
> +     "    SET(CMAKE_INSTALL_COMPONENT \"" << install_component << "\")\n"
>
> On 9/13/07, Nicolas Burrus <nespub at free.fr> wrote:
> > Hi,
> >
> > After some mailing list browsing, I could not find any complete answer
> > to a recurrent request: how can we specify at configure time the
> > component which should be installed by the install rule?
> >
> > Right now, I'm using the following custom rule:
> > ADD_CUSTOM_TARGET(install-runtime COMMAND ${CMAKE_COMMAND}
> > -DCOMPONENT=Runtime -P cmake_install.cmake)
> >
> > But it implies running "make install-runtime" instead of the standard
> > "make install" (it seems like a custom target cannot replace a
> > predefined rule like "install").
> >
> > Is there already a trick to avoid this? If the answer is no, let me
> > transform it into a feature request :-)
> >
> > CPack handles this properly, and I can't see any good reason (but I'm
> > not a cmake expert !) for Cmake not to automatically propagate the
> > CMAKE_INSTALL_COMPONENT variable into the cmake_install.cmake script,
> > like it already does for CMAKE_INSTALL_PREFIX.
> >
> > This way, something like
> > SET(CMAKE_INSTALL_COMPONENT "Runtime") would do the job.
> >
> > In particular, this feature would be really useful when a project
> > embbeds some library subprojects, whose header files should not be
> > installed when they are just used to build the main program.
>
>