CMakeLua/Source/cmTargetLinkLibrariesCommand.cxx

   1 /*=========================================================================
   2
   3   Program:   CMake - Cross-Platform Makefile Generator
   4   Module:    $RCSfile: cmTargetLinkLibrariesCommand.cxx,v $
   5   Language:  C++
   6   Date:      $Date: 2008/01/23 15:27:59 $
   7   Version:   $Revision: 1.25 $
   8
   9   Copyright (c) 2002 Kitware, Inc., Insight Consortium.  All rights reserved.
  10   See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
  11
  12      This software is distributed WITHOUT ANY WARRANTY; without even
  13      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  14      PURPOSE.  See the above copyright notices for more information.
  15
  16 =========================================================================*/
  17 #include "cmTargetLinkLibrariesCommand.h"
  18
  19 // cmTargetLinkLibrariesCommand
  20 bool cmTargetLinkLibrariesCommand
  21 ::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &)
  22 {
  23   // must have one argument
  24   if(args.size() < 1)
  25     {
  26     this->SetError("called with incorrect number of arguments");
  27     return false;
  28     }
  29
  30   // but we might not have any libs after variable expansion
  31   if(args.size() < 2)
  32     {
  33     return true;
  34     }
  35   // add libraries, nothe that there is an optional prefix
  36   // of debug and optimized than can be used
  37   std::vector<std::string>::const_iterator i = args.begin();
  38
  39   for(++i; i != args.end(); ++i)
  40     {
  41     if (*i == "debug")
  42       {
  43       ++i;
  44       if(i == args.end())
  45         {
  46         this->SetError
  47           ("The \"debug\" argument must be followed by a library");
  48         return false;
  49         }
  50       this->Makefile->AddLinkLibraryForTarget(args[0].c_str(),i->c_str(),
  51                                           cmTarget::DEBUG);
  52       }
  53     else if (*i == "optimized")
  54       {
  55       ++i;
  56       if(i == args.end())
  57         {
  58         this->SetError(
  59           "The \"optimized\" argument must be followed by a library");
  60         return false;
  61         }
  62       this->Makefile->AddLinkLibraryForTarget(args[0].c_str(),i->c_str(),
  63                                  cmTarget::OPTIMIZED);
  64       }
  65     else if (*i == "general")
  66       {
  67       ++i;
  68       if(i == args.end())
  69         {
  70         this->SetError(
  71           "The \"general\" argument must be followed by a library");
  72         return false;
  73         }
  74       this->Makefile->AddLinkLibraryForTarget(args[0].c_str(),i->c_str(),
  75                                  cmTarget::GENERAL);
  76       }
  77     else
  78       {
  79       // make sure the type is correct if it is currently general.  So if you
  80       // do a target_link_libraries(foo optimized bar) it will stay optimized
  81       // and not use the lookup.  As there maybe the case where someone has
  82       // specifed that a library is both debug and optimized.  (this check is
  83       // only there for backwards compatibility when mixing projects built
  84       // with old versions of CMake and new)
  85       cmTarget::LinkLibraryType llt = cmTarget::GENERAL;
  86       std::string linkType = args[0];
  87       linkType += "_LINK_TYPE";
  88       const char* linkTypeString =
  89         this->Makefile->GetDefinition( linkType.c_str() );
  90       if(linkTypeString)
  91         {
  92         if(strcmp(linkTypeString, "debug") == 0)
  93           {
  94           llt = cmTarget::DEBUG;
  95           }
  96         if(strcmp(linkTypeString, "optimized") == 0)
  97           {
  98           llt = cmTarget::OPTIMIZED;
  99           }
 100         }
 101       this->Makefile->AddLinkLibraryForTarget(args[0].c_str(),i->c_str(),llt);
 102       }
 103     }
 104   return true;
 105 }