[CMake] Multiple platforms/configurations

[David Cole]

The CMake Visual Studio generators do not presently support multiple
platforms in the same Visual Studio project file. Moreover, they do
not presently support anything beyond 32- and 64-bit Windows targets.
You will need separate solution and project files for separate
platforms, or you will need to use makefile generators, or use
ExternalProject to drive "other platform" builds from a 32- or 64-bit
VS generated file...

For mobile platforms, using makefiles with a cross-compiling toolchain
file is probably your best bet for now.


HTH,
David


On Wed, Nov 9, 2011 at 6:19 AM, Tom Deblauwe <Tom.Deblauwe at traficon.com> wrote:
>
> What exactly do you do with that PORT variable in your CMakeLists.txt
> file? Perhaps, you might simply map different values to configuration-
> specific properties like COMPILE_DEFINITIONS_<CONFIG>. If you do more
> complicated things based on the PORT variable's value, please provide
> more information, at best a small but complete example, so we can see
> whether there is a possibility to set up any comprehensive solution.
>
> Hello,
>
> The PORT variable is something I got from this wiki: http://trac.webkit.org/wiki/WinCE
>
> I am using the same system to build my source code for WinCe and for Win32. So here I have made a zip file of a simple example project that uses cmake and has the same structure as my source: http://users.telenet.be/thevikings/cmake/cmake-example-project.zip
>
> So the zip also contains the two separate builds I generated with cmake, so the first one "build-example-mx31" I made with this command:
>
> cmake -G "Visual Studio 8 2005" -DCMAKE_WINCE_SDK="MX31Module (ARMV4I)" -DPORT=Mx31 ../repo/apps/Example
>
> This gives me the visual studio solution as you can see in the zip file in the file "pics/mx31-one-configuration.png".
>
> And the second directory "build-example-mx31" was like this:
>
> cmake -G "Visual Studio 8 2005" -DPORT=Win32 ../repo/apps/Example
>
> This gives me the visual studio solution as you can see in the zip file in the file "pics/win32-one-configuration.png".
>
> The problem I want to solve now is that I used to get one solution which has two configurations as you can see in the pictures included in the zip called "pics/old-style.png". So in the configurations dropdown of visual studio I had the choice between "MX31Module (ARMV4I)" and "Win32". Now my question is how can I have this with cmake? Or is my approach not good?
>
> Best regards,
> Tom,
>
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