[CMake] Invoking an script from the link command.

[Bill Hoffman]

Óscar Fuentes wrote:
> Óscar Fuentes <ofv at wanadoo.es> writes:
> 
>> Bill Hoffman <bill.hoffman at kitware.com>
>> writes:
> 
> [about using shell backquotes embedded on link commands through
> `target_link_libraries']
> 
>>> I don't even think this will work with cmake 2.6.0, because we use
>>> link scripts.
>> It is working with 2.6.1 and MSYS Makefiles. Here you are doing
>> something like this:
>>
>> cd ${CMAKE_CURRENT_BINARY_DIR} && /path/to/g++.exe ...args for linking...
> 
> It doesn't work on Linux (Debian Etch x86) Unix Makefiles.
> 
> Too bad CMake is not consistent on this. Not having the possibility of
> customising the command on make-time seems a serious limitation.
> 
I think the best way for you to do this, is to override 
CMAKE_CXX_LINK_EXECUTABLE in your project, and use a shell script to add 
the extra stuff.

Something like this should work and be cross platform:

SET(CMAKE_CXX_LINK_EXECUTABLE "${YOUR_LINK_SCRIPT} 
${CMAKE_CXX_LINK_EXECUTABLE}")

Where YOUR_LINK_SCRIPT is set to a script that takes the link line as 
command line arguments and adds in the the output of your command.

-Bill