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diff --git a/Source/cmSubdirCommand.h b/Source/cmSubdirCommand.h
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+/*============================================================================
+  CMake - Cross Platform Makefile Generator
+  Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
+
+  Distributed under the OSI-approved BSD License (the "License");
+  see accompanying file Copyright.txt for details.
+
+  This software is distributed WITHOUT ANY WARRANTY; without even the
+  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+  See the License for more information.
+============================================================================*/
+#ifndef cmSubdirCommand_h
+#define cmSubdirCommand_h
+
+#include "cmCommand.h"
+
+/** \class cmSubdirCommand
+ * \brief Specify a list of subdirectories to build.
+ *
+ * cmSubdirCommand specifies a list of subdirectories to process
+ * by CMake. For each subdirectory listed, CMake will descend
+ * into that subdirectory and process any CMakeLists.txt found.
+ */
+class cmSubdirCommand : public cmCommand
+{
+public:
+  /**
+   * This is a virtual constructor for the command.
+   */
+  virtual cmCommand* Clone()
+    {
+    return new cmSubdirCommand;
+    }
+
+  /**
+   * This is called when the command is first encountered in
+   * the CMakeLists.txt file.
+   */
+  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 "subdirs";}
+
+  /**
+   * Succinct documentation.
+   */
+  virtual const char* GetTerseDocumentation() const
+    {
+    return "Deprecated. Use the add_subdirectory() command instead.";
+    }
+
+  /**
+   * More documentation.
+   */
+  virtual const char* GetFullDocumentation() const
+    {
+    return
+      "Add a list of subdirectories to the build.\n"
+      "  subdirs(dir1 dir2 ..."
+      "[EXCLUDE_FROM_ALL exclude_dir1 exclude_dir2 ...]\n"
+      "          [PREORDER] )\n"
+      "Add a list of subdirectories to the build. The add_subdirectory "
+      "command should be used instead of subdirs although subdirs will "
+      "still work. "
+      "This will cause any CMakeLists.txt files in the sub directories "
+      "to be processed by CMake.  Any directories after the PREORDER flag "
+      "are traversed first by makefile builds, the PREORDER flag has no "
+      "effect on IDE projects. "
+      " Any directories after the EXCLUDE_FROM_ALL marker "
+      "will not be included in the top level makefile or project file. "
+      "This is useful for having CMake create makefiles or projects for "
+      "a set of examples in a project. You would want CMake to "
+      "generate makefiles or project files for all the examples at "
+      "the same time, but you would not want them to show up in the "
+      "top level project or be built each time make is run from the top.";
+    }
+
+  /** This command is kept for compatibility with older CMake versions. */
+  virtual bool IsDiscouraged() const
+    {
+    return true;
+    }
+
+  cmTypeMacro(cmSubdirCommand, cmCommand);
+};
+
+
+
+#endif