145 lines
4.3 KiB
C++
145 lines
4.3 KiB
C++
/*=========================================================================
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Program: Insight Segmentation & Registration Toolkit
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Module: $RCSfile$
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Language: C++
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Date: $Date$
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Version: $Revision$
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Copyright (c) 2002 Insight Consortium. All rights reserved.
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See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notices for more information.
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=========================================================================*/
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#include "cmTryCompileCommand.h"
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#include "cmCacheManager.h"
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// cmExecutableCommand
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bool cmTryCompileCommand::InitialPass(std::vector<std::string> const& argv)
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{
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if(argv.size() < 3)
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{
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return false;
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}
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// which signature were we called with ?
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bool srcFileSignature = true;
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// look for CMAKE_FLAGS and store them
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std::vector<std::string> cmakeFlags;
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int i;
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for (i = 3; i < argv.size(); ++i)
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{
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if (argv[i] == "CMAKE_FLAGS")
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{
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for (; i < argv.size(); ++i)
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{
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cmakeFlags.push_back(argv[i]);
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}
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}
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else
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{
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srcFileSignature = false;
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}
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}
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// where will the binaries be stored
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const char* binaryDirectory = argv[1].c_str();
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const char* sourceDirectory = argv[2].c_str();
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const char* projectName = 0;
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const char* targetName = 0;
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std::string tmpString;
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// compute the binary dir when TRY_COMPILE is called with a src file
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// signature
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if (srcFileSignature)
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{
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tmpString = argv[1] + "/CMakeTmp";
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binaryDirectory = tmpString.c_str();
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}
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// make sure the binary directory exists
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cmSystemTools::MakeDirectory(binaryDirectory);
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// do not allow recursive try Compiles
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if (!strcmp(binaryDirectory,m_Makefile->GetHomeOutputDirectory()))
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{
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cmSystemTools::Error("Attempt at a recursive or nested TRY_COMPILE",
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binaryDirectory);
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return false;
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}
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// which signature are we using? If we are using var srcfile bindir
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if (srcFileSignature)
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{
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// remove any CMakeCache.txt files so we will have a clean test
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std::string ccFile = tmpString + "/CMakeCache.txt";
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cmSystemTools::RemoveFile(ccFile.c_str());
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// we need to create a directory and CMakeList file etc...
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// first create the directories
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sourceDirectory = binaryDirectory;
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// now create a CMakeList.txt file in that directory
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std::string outFileName = tmpString + "/CMakeLists.txt";
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FILE *fout = fopen(outFileName.c_str(),"w");
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if (!fout)
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{
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cmSystemTools::Error("Failed to create CMakeList file for ",
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outFileName.c_str());
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return false;
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}
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fprintf(fout,"PROJECT(CMAKE_TRY_COMPILE)\n");
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fprintf(fout, "IF (CMAKE_ANSI_CXXFLAGS)\n");
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fprintf(fout, " SET(CMAKE_CXX_FLAGS \"${CMAKE_CXX_FLAGS} ${CMAKE_ANSI_CXXFLAGS}\")\n");
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fprintf(fout, "ENDIF (CMAKE_ANSI_CXXFLAGS)\n");
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fprintf(fout,"ADD_EXECUTABLE(cmTryCompileExec \"%s\")\n",argv[2].c_str());
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fclose(fout);
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projectName = "CMAKE_TRY_COMPILE";
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targetName = "cmTryCompileExec";
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}
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// else the srcdir bindir project target signature
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else
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{
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projectName = argv[3].c_str();
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if (argv.size() == 5)
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{
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targetName = argv[4].c_str();
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}
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}
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// actually do the try compile now that everything is setup
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int res = m_Makefile->TryCompile(sourceDirectory, binaryDirectory,
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projectName, targetName, &cmakeFlags);
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// set the result var to the return value to indicate success or failure
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m_Makefile->AddDefinition(argv[0].c_str(), (res == 0 ? "TRUE" : "FALSE"));
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// if we created a directory etc, then cleanup after ourselves
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if (srcFileSignature)
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{
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cmDirectory dir;
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dir.Load(binaryDirectory);
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size_t fileNum;
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for (fileNum = 0; fileNum < dir.GetNumberOfFiles(); ++fileNum)
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{
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if (strcmp(dir.GetFile(fileNum),".") &&
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strcmp(dir.GetFile(fileNum),".."))
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{
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std::string fullPath = binaryDirectory;
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fullPath += "/";
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fullPath += dir.GetFile(fileNum);
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cmSystemTools::RemoveFile(fullPath.c_str());
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}
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}
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}
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return true;
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}
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