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This property is generated only for targets which have recorded policy CMP0022 as NEW, and a compatibility mode is added to additionally export the old interfaces in that case too. If the old interfaces are not exported, the generated export files require CMake 2.8.12. Because the unit tests use a version which is not yet called 2.8.12, temporarily require a lower version.
127 lines
4.5 KiB
C++
127 lines
4.5 KiB
C++
/*============================================================================
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CMake - Cross Platform Makefile Generator
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Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
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Distributed under the OSI-approved BSD License (the "License");
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see accompanying file Copyright.txt for details.
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This software is distributed WITHOUT ANY WARRANTY; without even the
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the License for more information.
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============================================================================*/
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#ifndef cmExportCommand_h
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#define cmExportCommand_h
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#include "cmCommand.h"
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#include "cmDocumentLocationUndefined.h"
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class cmExportBuildFileGenerator;
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/** \class cmExportLibraryDependenciesCommand
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* \brief Add a test to the lists of tests to run.
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*
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* cmExportLibraryDependenciesCommand adds a test to the list of tests to run
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*
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*/
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class cmExportCommand : public cmCommand
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{
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public:
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cmExportCommand();
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/**
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* This is a virtual constructor for the command.
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*/
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virtual cmCommand* Clone()
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{
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return new cmExportCommand;
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}
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/**
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* This is called when the command is first encountered in
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* the CMakeLists.txt file.
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*/
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virtual bool InitialPass(std::vector<std::string> const& args,
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cmExecutionStatus &status);
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/**
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* The name of the command as specified in CMakeList.txt.
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*/
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virtual const char* GetName() const { return "export";}
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/**
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* Succinct documentation.
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*/
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virtual const char* GetTerseDocumentation() const
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{
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return
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"Export targets from the build tree for use by outside projects.";
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}
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/**
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* More documentation.
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*/
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virtual const char* GetFullDocumentation() const
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{
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return
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" export(TARGETS [target1 [target2 [...]]] [NAMESPACE <namespace>]\n"
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" [APPEND] FILE <filename> [EXPORT_LINK_INTERFACE_LIBRARIES])\n"
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"Create a file <filename> that may be included by outside projects to "
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"import targets from the current project's build tree. "
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"This is useful during cross-compiling to build utility executables "
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"that can run on the host platform in one project and then import "
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"them into another project being compiled for the target platform. "
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"If the NAMESPACE option is given the <namespace> string will be "
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"prepended to all target names written to the file. "
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"If the APPEND option is given the generated code will be appended "
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"to the file instead of overwriting it. "
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"The EXPORT_LINK_INTERFACE_LIBRARIES keyword, if present, causes the "
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"contents of the properties matching "
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"(IMPORTED_)?LINK_INTERFACE_LIBRARIES(_<CONFIG>)? to be exported, when "
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"policy CMP0022 is NEW. "
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"If a library target is included in the export but "
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"a target to which it links is not included the behavior is "
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"unspecified."
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"\n"
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"The file created by this command is specific to the build tree and "
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"should never be installed. "
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"See the install(EXPORT) command to export targets from an "
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"installation tree."
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CM_LOCATION_UNDEFINED_BEHAVIOR("passing it to this command")
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"\n"
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" export(PACKAGE <name>)\n"
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"Store the current build directory in the CMake user package registry "
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"for package <name>. "
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"The find_package command may consider the directory while searching "
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"for package <name>. "
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"This helps dependent projects find and use a package from the "
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"current project's build tree without help from the user. "
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"Note that the entry in the package registry that this command "
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"creates works only in conjunction with a package configuration "
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"file (<name>Config.cmake) that works with the build tree."
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;
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}
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cmTypeMacro(cmExportCommand, cmCommand);
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private:
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cmCommandArgumentGroup ArgumentGroup;
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cmCAStringVector Targets;
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cmCAEnabler Append;
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cmCAString Namespace;
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cmCAString Filename;
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cmCAEnabler ExportOld;
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friend class cmExportBuildFileGenerator;
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std::string ErrorMessage;
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bool HandlePackage(std::vector<std::string> const& args);
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void StorePackageRegistryWin(std::string const& package,
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const char* content, const char* hash);
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void StorePackageRegistryDir(std::string const& package,
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const char* content, const char* hash);
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void ReportRegistryError(std::string const& msg, std::string const& key,
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long err);
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};
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#endif
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