target_link_libraries: Add LINK_(PUBLIC|PRIVATE) options

Makes it possible to specify the link dependencies and link
interfaces in one command without repetition.

1 files changed, 20 insertions, 1 deletions

diff --git a/Source/cmTargetLinkLibrariesCommand.h b/Source/cmTargetLinkLibrariesCommand.h
index a9b5d8b..e91c46d 100644
--- a/Source/cmTargetLinkLibrariesCommand.h
+++ b/Source/cmTargetLinkLibrariesCommand.h
@@ -107,6 +107,18 @@ public:
       "Libraries specified as \"general\" (or without any keyword) are "
       "treated as if specified for both \"debug\" and \"optimized\"."
       "\n"
+      "  target_link_libraries(<target>\n"
+      "                        <LINK_PRIVATE|LINK_PUBLIC>\n"
+      "                          [[debug|optimized|general] <lib>] ...\n"
+      "                        [<LINK_PRIVATE|LINK_PUBLIC>\n"
+      "                          [[debug|optimized|general] <lib>] ...])\n"
+      "The LINK_PUBLIC and LINK_PRIVATE modes can be used to specify both the"
+      "link dependencies and the link interface in one command.  "
+      "Libraries and targets following LINK_PUBLIC are linked to, and are "
+      "made part of the LINK_INTERFACE_LIBRARIES. Libraries and targets "
+      "following LINK_PRIVATE are linked to, but are not made part of the "
+      "LINK_INTERFACE_LIBRARIES.  "
+      "\n"
       "The library dependency graph is normally acyclic (a DAG), but in the "
       "case of mutually-dependent STATIC libraries CMake allows the graph "
       "to contain cycles (strongly connected components).  "
@@ -137,7 +149,14 @@ private:
   static const char* LinkLibraryTypeNames[3];
 
   cmTarget* Target;
-  bool DoingInterface;
+  enum ProcessingState {
+    ProcessingLinkLibraries,
+    ProcessingLinkInterface,
+    ProcessingPublicInterface,
+    ProcessingPrivateInterface
+  };
+
+  ProcessingState CurrentProcessingState;
 
   void HandleLibrary(const char* lib, cmTarget::LinkLibraryType llt);
 };