[CMake] Problem Porting from cmake 2.4.7 to 2.6

[Brad King]

Alan W. Irwin wrote:
> On 2008-06-27 16:15+0200 Alexander.Camek at elektrobit.com wrote:
> 
>> Hi List,
>>
>> Today I started to port my Ada project (Windows, MinGW, Ada cmake
>> files from plplot) from cmake 2.4.7 to cmake 2.6.
>> Now I have the problem that cmake doesn't want to use gnatmake anymore
>> and says that gnatmake is broken.
> 
> I summarized the CMake Ada language support status in
> http://www.cmake.org/pipermail/cmake/2008-May/021911.html which includes a
> simple Ada test project I have put together.  That simple test project
> works
> fine for 2.4.x, but does not work for 2.6.0 (as you have also found for
> your
> own project). The problem is the language support infrastructure for 2.6.0
> is different than 2.4.x.  At that time I was hoping to figure out the 2.6.0
> Ada issues fairly quickly, but I could not do that, and something else has
> now intervened.  So the planned PLplot transition to CMake 2.6.x (and also
> the transition you were hoping for for your own project) will have to wait
> until I have more time to fix the Ada 2.6.x issues unless someone else can
> fix those issues first.

Add this to your language support file:

  SET(CMAKE_Ada_OUTPUT_EXTENSION_REPLACE 1)

This will tell CMake that the object files should not keep the source
file extension.

-Brad