[CMake] implib option for linker on Win32

[Brad King]

dohadwala, moiz wrote:
> Sorry, that email went out before I was finished.
> 
> The problems with this is that I loose dependency checking. I could probably
> add the .def file to the sources to force dependency checks, but that means
> that 
> If the def filename is changed, it has to be changed in at least 2
> locations, which is less than ideal.

You can put the name in a variable and then use the variable in both 
places.  Then changing the name of the file needs only one CMake code 
change.

> I have tried adding the the .def file to the sources but that did not add
> the /implib Linker option to the link command in the make file.
> 
> Wbat does work is the following:
> 
> IF (${CMAKE_SYSTEM_NAME} EQUAL WINDOWS)
> 	SET ( ELM_LINK_FLAGS "/implib:elm.lib /def:filename.def" )
> 	SET_TARGET_PROPERTIES( elm PROPERTIES LINK_FLAGS "${ELM_LINK_FLAGS}"
> ) 
> ENDIF (${CMAKE_SYSTEM_NAME} EQUAL WINDOWS)

I think adding the .def file is supposed to work.  What generator are 
you using again?  Either way please report the bug here:

http://www.cmake.org/Bug

Thanks,
-Brad