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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.
60 lines
1.7 KiB
C++
60 lines
1.7 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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#include "cmUnsetCommand.h"
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// cmUnsetCommand
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bool cmUnsetCommand::InitialPass(std::vector<std::string> const& args,
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cmExecutionStatus &)
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{
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if(args.size() < 1 || args.size() > 2)
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{
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this->SetError("called with incorrect number of arguments");
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return false;
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}
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const char* variable = args[0].c_str();
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// unset(ENV{VAR})
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if (!strncmp(variable,"ENV{",4) && strlen(variable) > 5)
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{
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// what is the variable name
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char *envVarName = new char [strlen(variable)];
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strncpy(envVarName,variable+4,strlen(variable)-5);
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envVarName[strlen(variable)-5] = '\0';
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#ifdef CMAKE_BUILD_WITH_CMAKE
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cmSystemTools::UnsetEnv(envVarName);
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#endif
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delete[] envVarName;
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return true;
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}
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// unset(VAR)
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else if (args.size() == 1)
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{
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this->Makefile->RemoveDefinition(variable);
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return true;
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}
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// unset(VAR CACHE)
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else if ((args.size() == 2) && (args[1] == "CACHE"))
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{
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this->Makefile->RemoveCacheDefinition(variable);
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return true;
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}
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// ERROR: second argument isn't CACHE
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else
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{
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this->SetError("called with an invalid second argument");
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return false;
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}
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}
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