[CMake] Nesting a cmake project

[aaron.meadows at thomsonreuters.com]

In your Unification Script, you have the following:

        # I found that SUBDIRS had a more desirable behavior for me as
to where 
        # binaries were created as opposed to ADD_SUBDIRECTORY.
        SUBDIRS(lua luasocket luafilesystem luasql lualogging luadoc)

I was wondering if you could give a bit more detail regarding the
"desirable behavior".

Aaron C. Meadows 

-----Original Message-----
From: cmake-bounces at cmake.org [mailto:cmake-bounces at cmake.org] On Behalf
Of Eric Wing
Sent: Monday, June 07, 2010 5:25 PM
To: Tyler Roscoe
Cc: CMake Mailinglist
Subject: Re: [CMake] Nesting a cmake project

> On Mon, Jun 07, 2010 at 02:14:00PM -0400, Nathan Huesken wrote:
>> > 1. Why do you need to nest one project inside the other? I think
you
>> > will have less trouble if you treat each one as its own independent
>> > project.
>>
>> Because it the outer projects depends on the inner and they are
>> strongly connected. It does not make sense to ship the outer without
>> the inner.
>
> But you might ship Inner without Outer, right? Or use Inner in a third
> project, OffToTheSide? These relationships are easier to model and
less
> messy if Inner doesn't live inside Outer.
>
> Anyway, just something to consider.
>


This is not exactly what you want, but may contain the solution you
need. I wrote 3 articles on getting separate projects to build
together as if they were one. The articles partly focus on the issues
of getting Git and Mercurial to cooperate with this, but also use
CMake as the glue. (I invent the name 'Unification script'.) I use
LuaDoc as the real world example which has dependencies on a bunch of
other projects.

Article starts here:
http://playcontrol.net/ewing/jibberjabber/git_superproject_and_submod.ht
ml

-Eric
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