Source/cmProjectCommand.cxx

   1 /*============================================================================
   2   CMake - Cross Platform Makefile Generator
   3   Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
   4
   5   Distributed under the OSI-approved BSD License (the "License");
   6   see accompanying file Copyright.txt for details.
   7
   8   This software is distributed WITHOUT ANY WARRANTY; without even the
   9   implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  10   See the License for more information.
  11 ============================================================================*/
  12 #include "cmProjectCommand.h"
  13
  14 // cmProjectCommand
  15 bool cmProjectCommand
  16 ::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &)
  17 {
  18   if(args.size() < 1 )
  19     {
  20     this->SetError("PROJECT called with incorrect number of arguments");
  21     return false;
  22     }
  23   this->Makefile->SetProjectName(args[0].c_str());
  24
  25   std::string bindir = args[0];
  26   bindir += "_BINARY_DIR";
  27   std::string srcdir = args[0];
  28   srcdir += "_SOURCE_DIR";
  29
  30   this->Makefile->AddCacheDefinition
  31     (bindir.c_str(),
  32      this->Makefile->GetCurrentOutputDirectory(),
  33      "Value Computed by CMake", cmCacheManager::STATIC);
  34   this->Makefile->AddCacheDefinition
  35     (srcdir.c_str(),
  36      this->Makefile->GetCurrentDirectory(),
  37      "Value Computed by CMake", cmCacheManager::STATIC);
  38
  39   bindir = "PROJECT_BINARY_DIR";
  40   srcdir = "PROJECT_SOURCE_DIR";
  41
  42   this->Makefile->AddDefinition(bindir.c_str(),
  43           this->Makefile->GetCurrentOutputDirectory());
  44   this->Makefile->AddDefinition(srcdir.c_str(),
  45           this->Makefile->GetCurrentDirectory());
  46
  47   this->Makefile->AddDefinition("PROJECT_NAME", args[0].c_str());
  48
  49   // Set the CMAKE_PROJECT_NAME variable to be the highest-level
  50   // project name in the tree. If there are two project commands
  51   // in the same CMakeLists.txt file, and it is the top level
  52   // CMakeLists.txt file, then go with the last one, so that
  53   // CMAKE_PROJECT_NAME will match PROJECT_NAME, and cmake --build
  54   // will work.
  55   if(!this->Makefile->GetDefinition("CMAKE_PROJECT_NAME")
  56      || (this->Makefile->GetLocalGenerator()->GetParent() == 0) )
  57     {
  58     this->Makefile->AddDefinition("CMAKE_PROJECT_NAME", args[0].c_str());
  59     this->Makefile->AddCacheDefinition
  60       ("CMAKE_PROJECT_NAME",
  61        args[0].c_str(),
  62        "Value Computed by CMake", cmCacheManager::STATIC);
  63     }
  64
  65   std::vector<std::string> languages;
  66   if(args.size() > 1)
  67     {
  68     for(size_t i =1; i < args.size(); ++i)
  69       {
  70       languages.push_back(args[i]);
  71       }
  72     }
  73   else
  74     {
  75     // if no language is specified do c and c++
  76     languages.push_back("C");
  77     languages.push_back("CXX");
  78     }
  79   this->Makefile->EnableLanguage(languages, false);
  80   std::string extraInclude = "CMAKE_PROJECT_" + args[0] + "_INCLUDE";
  81   const char* include = this->Makefile->GetDefinition(extraInclude.c_str());
  82   if(include)
  83     {
  84     std::string fullFilePath;
  85     bool readit =
  86       this->Makefile->ReadListFile( this->Makefile->GetCurrentListFile(),
  87                                     include);
  88     if(!readit && !cmSystemTools::GetFatalErrorOccured())
  89       {
  90       std::string m =
  91         "could not find file:\n"
  92         "  ";
  93       m += include;
  94       this->SetError(m.c_str());
  95       return false;
  96       }
  97     }
  98   return true;
  99 }
 100