Add policy CMP0029 to disallow subdir_depends

4 files changed, 10 insertions, 34 deletions

diff --git a/Source/cmPolicies.cxx b/Source/cmPolicies.cxx
index f7efc1e..fcc5bfc 100644
--- a/Source/cmPolicies.cxx
+++ b/Source/cmPolicies.cxx
@@ -246,6 +246,11 @@ cmPolicies::cmPolicies()
     CMP0028, "CMP0028",
     "Double colon in target name means ALIAS or IMPORTED target.",
     3,0,0,0, cmPolicies::WARN);
+
+  this->DefinePolicy(
+    CMP0029, "CMP0029",
+    "The subdir_depends command should not be called.",
+    3,0,0,0, cmPolicies::WARN);
 }
 
 cmPolicies::~cmPolicies()
diff --git a/Source/cmPolicies.h b/Source/cmPolicies.h
index 68cd7c2..343c01d 100644
--- a/Source/cmPolicies.h
+++ b/Source/cmPolicies.h
@@ -80,6 +80,7 @@ public:
     CMP0027, ///< Conditionally linked imported targets with missing include
     /// directories.
     CMP0028, ///< Double colon in target name means ALIAS or IMPORTED target.
+    CMP0029, ///< Disallow command: subdir_depends
 
     /** \brief Always the last entry.
      *
diff --git a/Source/cmSubdirDependsCommand.cxx b/Source/cmSubdirDependsCommand.cxx
index 2af7bf1..9381983 100644
--- a/Source/cmSubdirDependsCommand.cxx
+++ b/Source/cmSubdirDependsCommand.cxx
@@ -11,10 +11,10 @@
 ============================================================================*/
 #include "cmSubdirDependsCommand.h"
 
-// cmSubdirDependsCommand
 bool cmSubdirDependsCommand::InitialPass(std::vector<std::string> const& ,
                                          cmExecutionStatus &)
 {
+  this->Disallowed(cmPolicies::CMP0029,
+    "The subdir_depends command should not be called; see CMP0029.");
   return true;
 }
-
diff --git a/Source/cmSubdirDependsCommand.h b/Source/cmSubdirDependsCommand.h
index e6f1f8f..f78cfb7 100644
--- a/Source/cmSubdirDependsCommand.h
+++ b/Source/cmSubdirDependsCommand.h
@@ -14,45 +14,15 @@
 
 #include "cmCommand.h"
 
-/** \class cmSubdirDependsCommand
- * \brief Legacy command.  Do not use.
- *
- * cmSubdirDependsCommand has been left in CMake for compatability with
- * projects already using it.  Its functionality in supporting parallel
- * builds is now automatic.  The command does not do anything.
- */
 class cmSubdirDependsCommand : public cmCommand
 {
 public:
-  /**
-   * This is a virtual constructor for the command.
-   */
-  virtual cmCommand* Clone()
-    {
-    return new cmSubdirDependsCommand;
-    }
-
-  /**
-   * This is called when the command is first encountered in
-   * the CMakeLists.txt file.
-   */
+  virtual cmCommand* Clone() { return new cmSubdirDependsCommand; }
   virtual bool InitialPass(std::vector<std::string> const& args,
                            cmExecutionStatus &status);
-
-  /**
-   * The name of the command as specified in CMakeList.txt.
-   */
   virtual const char* GetName() const { return "subdir_depends";}
-
-  /** This command is kept for compatibility with older CMake versions. */
-  virtual bool IsDiscouraged() const
-    {
-    return true;
-    }
-
+  virtual bool IsDiscouraged() const { return true; }
   cmTypeMacro(cmSubdirDependsCommand, cmCommand);
 };
 
-
-
 #endif