On 7/26/07, Christian Convey <[EMAIL PROTECTED]> wrote:
On 7/26/07, Alexander Neundorf <[EMAIL PROTECTED]> wrote:
> On Thursday 26 July 2007 11:58, Christian Convey wrote:
> > Hi Alex,
> >
> > Wouldn't the command:
> > cmake -DCMAKE_INSTALL_COMPONENT=Headers -P cmake_install.cmake
> >
> > overwrite the very makefiles that are executing that command? If so,
>
> No, -P means cmake will just execute the given cmake script, i.e. it will not
> generate makefiles or project files etc.
OK, so "-P" means that cmake won't produce a new Makefile.
But don't I *need* to create a new Makefile? I thought the goal was
to produce a new Makefile whose "install" target has been affected by
the "-DCMAKE_INSTALL_COMPONENT=Headers" argument.
If "-P" prevents the creation of a new Makefile, it sounds like we're
discarding the very Makefile that we're trying to create.
Would you mind clarifying?
The CMake generator creates your Makefile and a bunch of other support
files and scripts, including cmake_install.cmake. If you choose to
manually execute cmake_install.cmake via a custom command, you're
merely using what the generator already created, and invoking it the
same way the Makefile does. By default, the script would just install
everything. By passing -DCMAKE_INSTALL_COMPONENT=Headers, you're
getting a different behavior out of it. Nothing will explode because
it's all code the generator produced anyways.
Cheers,
Brandon Van Every
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