[cmake-developers] target_include_directories branch in stage

[Brad King]

On 11/7/2011 12:57 PM, Brad King wrote:
> The INCLUDE_DIRECTORIES property of a target must be the *only* list
> from which the final include directory list is constructed. When a target
> is created the current directory-level include directories must be used
> to initialize the list. Further include_directories() calls in the same
> directory must append not only to the directory-level list but also to
> the property for all existing targets. At any intermediate point a
> target's property can be modified independently (see the set_property
> command example below).

Alex suggested the same thing:

  http://thread.gmane.org/gmane.comp.programming.tools.cmake.user/39090/focus=39227

On 11/7/2011 12:23 PM, Alexander Neundorf wrote:
 > I think
 > get_target_properties(someVar foo INCLUDE_DIRECTORIES)
 > should return the full list of include directories used for that target.
 >
 > This would mean that they are not really additive.
 >
 > Instead, the INCLUDE_DIRECTORIES target property could be initialized from the
 > directory-property INCLUDE_DIRECTORIES.
 > Then, to add include dirs, use
 > set_property(TARGET foo  APPEND PROPERTY INCLUDE_DIRECTORIES ${bar_INCLUDES} )
 >
 > To set (and ignore any directory-level include dirs):
 > set_property(TARGET foo  PROPERTY INCLUDE_DIRECTORIES ${blub_INCLUDES} )

-Brad