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diff --git a/Source/cmExportCommand.h b/Source/cmExportCommand.h
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+++ b/Source/cmExportCommand.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 cmExportCommand_h
+#define cmExportCommand_h
+
+#include "cmCommand.h"
+#include "cmDocumentLocationUndefined.h"
+
+class cmExportBuildFileGenerator;
+
+/** \class cmExportLibraryDependenciesCommand
+ * \brief Add a test to the lists of tests to run.
+ *
+ * cmExportLibraryDependenciesCommand adds a test to the list of tests to run
+ *
+ */
+class cmExportCommand : public cmCommand
+{
+public:
+  cmExportCommand();
+  /**
+   * This is a virtual constructor for the command.
+   */
+  virtual cmCommand* Clone()
+    {
+    return new cmExportCommand;
+    }
+
+  /**
+   * 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 "export";}
+
+  /**
+   * Succinct documentation.
+   */
+  virtual const char* GetTerseDocumentation() const
+    {
+    return
+      "Export targets from the build tree for use by outside projects.";
+    }
+
+  /**
+   * More documentation.
+   */
+  virtual const char* GetFullDocumentation() const
+    {
+    return
+      "  export(TARGETS [target1 [target2 [...]]] [NAMESPACE <namespace>]\n"
+      "         [APPEND] FILE <filename>)\n"
+      "Create a file <filename> that may be included by outside projects to "
+      "import targets from the current project's build tree.  "
+      "This is useful during cross-compiling to build utility executables "
+      "that can run on the host platform in one project and then import "
+      "them into another project being compiled for the target platform.  "
+      "If the NAMESPACE option is given the <namespace> string will be "
+      "prepended to all target names written to the file.  "
+      "If the APPEND option is given the generated code will be appended "
+      "to the file instead of overwriting it.  "
+      "If a library target is included in the export but "
+      "a target to which it links is not included the behavior is "
+      "unspecified."
+      "\n"
+      "The file created by this command is specific to the build tree and "
+      "should never be installed.  "
+      "See the install(EXPORT) command to export targets from an "
+      "installation tree."
+      CM_LOCATION_UNDEFINED_BEHAVIOR("passing it to this command")
+      "\n"
+      "  export(PACKAGE <name>)\n"
+      "Store the current build directory in the CMake user package registry "
+      "for package <name>.  "
+      "The find_package command may consider the directory while searching "
+      "for package <name>.  "
+      "This helps dependent projects find and use a package from the "
+      "current project's build tree without help from the user.  "
+      "Note that the entry in the package registry that this command "
+      "creates works only in conjunction with a package configuration "
+      "file (<name>Config.cmake) that works with the build tree."
+      ;
+    }
+
+  cmTypeMacro(cmExportCommand, cmCommand);
+
+private:
+  cmCommandArgumentGroup ArgumentGroup;
+  cmCAStringVector Targets;
+  cmCAEnabler Append;
+  cmCAString Namespace;
+  cmCAString Filename;
+
+  friend class cmExportBuildFileGenerator;
+  std::string ErrorMessage;
+
+  bool HandlePackage(std::vector<std::string> const& args);
+  void StorePackageRegistryWin(std::string const& package,
+                               const char* content, const char* hash);
+  void StorePackageRegistryDir(std::string const& package,
+                               const char* content, const char* hash);
+  void ReportRegistryError(std::string const& msg, std::string const& key,
+                           long err);
+};
+
+
+#endif