Source/cmCMakeMinimumRequired.cxx

   1 /*=========================================================================
   2
   3   Program:   Insight Segmentation & Registration Toolkit
   4   Module:    $RCSfile: cmCMakeMinimumRequired.cxx,v $
   5   Language:  C++
   6   Date:      $Date: 2002-06-19 19:21:49 $
   7   Version:   $Revision: 1.4 $
   8
   9   Copyright (c) 2002 Insight Consortium. All rights reserved.
  10   See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm 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 "cmCMakeMinimumRequired.h"
  18 #include "stdio.h"
  19
  20 // cmCMakeMinimumRequired
  21 bool cmCMakeMinimumRequired::InitialPass(std::vector<std::string> const& args)
  22 {
  23   if(args.size() != 2)
  24     {
  25     this->SetError("called with incorrect number of arguments");
  26     return false;
  27     }
  28   if(args[0] == "VERSION")
  29     {
  30     m_Makefile->AddDefinition("CMAKE_MINIMUM_REQUIRED_VERSION", args[1].c_str());
  31     }
  32   float version = float(m_Makefile->GetMajorVersion());
  33   version += (float(m_Makefile->GetMinorVersion()) * (float).1);
  34   float reqVersion = 0;
  35   sscanf(args[1].c_str(), "%f", &reqVersion);
  36   if(reqVersion > version)
  37     {
  38     cmStringStream str;
  39     str << "WARNING: This project requires version: " << args[1].c_str() << " of cmake.\n"
  40         << "You are running version: " << version;
  41     cmSystemTools::Message(str.str().c_str());
  42     }
  43   return true;
  44 }
  45