Add $<TARGET_OBJECTS:...> expression to use an object library

For now do not allow an OBJECT library to reference other object
libraries.  Teach cmTarget::ComputeLinkImplementation to include the
languages of object libraries used by a target.

1 files changed, 5 insertions, 0 deletions

diff --git a/Source/cmGeneratorTarget.h b/Source/cmGeneratorTarget.h
index b083ba1..6319d82 100644
--- a/Source/cmGeneratorTarget.h
+++ b/Source/cmGeneratorTarget.h
@@ -48,8 +48,13 @@ public:
       time config name placeholder if needed for the generator.  */
   std::string ObjectDirectory;
 
+  std::vector<cmTarget*> ObjectLibraries;
+
+  void UseObjectLibraries(std::vector<std::string>& objs);
+
 private:
   void ClassifySources();
+  void LookupObjectLibraries();
 
   cmGeneratorTarget(cmGeneratorTarget const&);
   void operator=(cmGeneratorTarget const&);