/*============================================================================ 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. ============================================================================*/ #include "cmRemoveCommand.h" // cmRemoveCommand bool cmRemoveCommand ::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &) { if(args.size() < 1) { return true; } const char* variable = args[0].c_str(); // VAR is always first // get the old value const char* cacheValue = this->Makefile->GetDefinition(variable); // if there is no old value then return if (!cacheValue) { return true; } // expand the variable std::vector<std::string> varArgsExpanded; cmSystemTools::ExpandListArgument(cacheValue, varArgsExpanded); // expand the args // check for REMOVE(VAR v1 v2 ... vn) std::vector<std::string> argsExpanded; std::vector<std::string> temp; for(unsigned int j = 1; j < args.size(); ++j) { temp.push_back(args[j]); } cmSystemTools::ExpandList(temp, argsExpanded); // now create the new value std::string value; for(unsigned int j = 0; j < varArgsExpanded.size(); ++j) { int found = 0; for(unsigned int k = 0; k < argsExpanded.size(); ++k) { if (varArgsExpanded[j] == argsExpanded[k]) { found = 1; break; } } if (!found) { if (value.size()) { value += ";"; } value += varArgsExpanded[j]; } } // add the definition this->Makefile->AddDefinition(variable, value.c_str()); return true; }