[CMake] Eclipse CDT and CMake

[Miguel A. Figueroa-Villanueva]

On Fri, Nov 7, 2008 at 6:34 PM, Neal Meyer wrote:
> On Fri, Nov 7, 2008 at 12:31 PM, Miguel A. Figueroa-Villanueva
> <miguelf at ieee.org> wrote:
>>
>> On Fri, Nov 7, 2008 at 4:11 PM, Neal Meyer wrote:
>> > On Friday 07 November 2008, Neal Meyer wrote:
>> >> I've tried the existing generator in cmake on the Mac on my existing
>> >> project but it generated a crazy MakeFile project that builds, but is
>> >> really unorganized and doesn't really help any.  I tried using the
>> >> CMake
>> >> project and discovered that the build directory structure I was using
>> >> appears to be most of my problem.  I had created a directory called
>> >> build
>> >> under the root of the cmake project then ran cmake with the working
>> >> directory set to the build folder  [cmake .. -G "Eclipse CDT4 - Unix
>> >> Makefiles"] The project in eclipse was mostly unusable because the
>> >> source
>> >> and the files were all over the place.  Once I ran cmake in the source
>> >> file.  It behaved much better.
>> >
>> > Please read that wiki page, it documents all the issues Eclipse has with
>> > out-of-source builds. If there is something more, please let us know.
>> > http://www.cmake.org/Wiki/Eclipse_CDT4_Generator
>> > Thanks Alex.  I'm playing with the generator on Windows and Mac, and now
>> > that I understand the Eclipse limitation with the linked resource
>> > directory
>> > it makes it clearer.  On my windows project I'm getting several linked
>> > directories in the main project that seems like everything that has an
>> > add_subdirectory in the root CMakeLists.txt file, but on my Mac project
>> > I'm
>> > just getting a single linked resource for the root of the entire source
>> > tree.  Is that expected?  Both are using out of source build
>> > directories.
>>
>> Hello Neal,
>>
>> Well, there is no intended difference between Mac and Windows. The
>> linked resources are created for every "project()" call; not for the
>> add_subdirectory.
>>
>> I'll appreciate your testing to refine the generator to work
>> out-of-the-box in the Mac.
>>
>> --Miguel
>
> Thanks Miguel - that clears up the differences I'm seeing on the two
> projects.  One has a number of project calls init and the other only had a
> single one at the top level.  When I add project calls to the nested
> directories they come out to the top level of the eclipse project.  Will the
> root always be left in the eclipse project then if I have a project() call
> there?
>
> -Neal

Yes, if there is a project() call in the root CMakeLists.txt file,
then the eclipse project should contain the linked_resource to the
root dir.

--Miguel