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96afb12087
This converts the CMake license to a pure 3-clause OSI-approved BSD License. We drop the previous license clause requiring modified versions to be plainly marked. We also update the CMake copyright to cover the full development time range.
114 lines
4.4 KiB
C++
114 lines
4.4 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 cmExecuteProcessCommand_h
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#define cmExecuteProcessCommand_h
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#include "cmCommand.h"
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/** \class cmExecuteProcessCommand
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* \brief Command that adds a target to the build system.
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*
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* cmExecuteProcessCommand is a CMake language interface to the KWSys
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* Process Execution implementation.
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*/
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class cmExecuteProcessCommand : public cmCommand
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{
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public:
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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 cmExecuteProcessCommand;
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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()
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{return "execute_process";}
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/**
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* This determines if the command is invoked when in script mode.
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*/
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virtual bool IsScriptable() { return true; }
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/**
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* Succinct documentation.
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*/
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virtual const char* GetTerseDocumentation()
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{
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return "Execute one or more child processes.";
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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()
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{
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return
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" execute_process(COMMAND <cmd1> [args1...]]\n"
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" [COMMAND <cmd2> [args2...] [...]]\n"
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" [WORKING_DIRECTORY <directory>]\n"
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" [TIMEOUT <seconds>]\n"
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" [RESULT_VARIABLE <variable>]\n"
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" [OUTPUT_VARIABLE <variable>]\n"
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" [ERROR_VARIABLE <variable>]\n"
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" [INPUT_FILE <file>]\n"
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" [OUTPUT_FILE <file>]\n"
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" [ERROR_FILE <file>]\n"
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" [OUTPUT_QUIET]\n"
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" [ERROR_QUIET]\n"
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" [OUTPUT_STRIP_TRAILING_WHITESPACE]\n"
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" [ERROR_STRIP_TRAILING_WHITESPACE])\n"
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"Runs the given sequence of one or more commands with the standard "
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"output of each process piped to the standard input of the next. "
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"A single standard error pipe is used for all processes. "
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"If WORKING_DIRECTORY is given the named directory will be set as "
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"the current working directory of the child processes. "
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"If TIMEOUT is given the child processes will be terminated if they "
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"do not finish in the specified number of seconds "
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"(fractions are allowed). "
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"If RESULT_VARIABLE is given the variable will be set to contain "
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"the result of running the processes. This will be an integer return "
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"code from the last child or a string describing an error condition. "
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"If OUTPUT_VARIABLE or ERROR_VARIABLE are given the variable named "
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"will be set with the contents of the standard output and standard "
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"error pipes respectively. If the same variable is named for both "
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"pipes their output will be merged in the order produced. "
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"If INPUT_FILE, OUTPUT_FILE, or ERROR_FILE is given the file named "
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"will be attached to the standard input of the first process, "
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"standard output of the last process, or standard error of all "
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"processes respectively. "
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"If OUTPUT_QUIET or ERROR_QUIET is given then the standard output "
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"or standard error results will be quietly ignored. "
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"If more than one OUTPUT_* or ERROR_* option is given for the same "
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"pipe the precedence is not specified. "
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"If no OUTPUT_* or ERROR_* options are given the output will be shared "
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"with the corresponding pipes of the CMake process itself.\n"
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"The execute_process command is a newer more powerful version of "
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"exec_program, but the old command has been kept for compatibility."
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;
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}
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cmTypeMacro(cmExecuteProcessCommand, cmCommand);
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};
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#endif
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