[CMake] OBJECT_DEPENDS problem

[Brad King]

Alexander Neundorf wrote:

> Hi, 
>  
> it seems I can add only one dependancy to a source file using 
> SET_SOURCE_FILES_PROPERTIES() 
> E.g. after    
> SET_SOURCE_FILES_PROPERTIES(foo.c PROPERTIES OBJECT_DEPENDS test1.c) 
> SET_SOURCE_FILES_PROPERTIES(foo.c PROPERTIES OBJECT_DEPENDS test2.c) 
>  
> After this foo.c only depends on test2.c but not on test1.c, so it seems 
> this simply gets overwritten. 
> Any ideas how to solve this problem ? 

List all the dependencies as one value:

SET(foo_c_deps test1.c test2.c)
SET_SOURCE_FILES_PROPERTIES(
   foo.c PROPERTIES OBJECT_DEPENDS "${foo_c_deps}")

Note the double quotes are used to keep the arguments from getting 
separated.

-Brad