CMake/Source/cmCMakeMinimumRequired.cxx

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/*=========================================================================
Program: CMake - Cross-Platform Makefile Generator
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#include "cmCMakeMinimumRequired.h"
// cmCMakeMinimumRequired
bool cmCMakeMinimumRequired::InitialPass(std::vector<std::string> const& args)
{
if(args.size() != 2)
{
this->SetError("called with incorrect number of arguments");
return false;
}
if(args[0] == "VERSION")
{
m_Makefile->AddDefinition("CMAKE_MINIMUM_REQUIRED_VERSION", args[1].c_str());
}
float version = float(m_Makefile->GetMajorVersion());
2002-04-25 15:59:57 +04:00
version += (float(m_Makefile->GetMinorVersion()) * (float).1);
version += (float(m_Makefile->GetPatchVersion()) * (float).01);
float reqVersion = 0;
int major=0;
int minor=0;
int patch=0;
int res=sscanf(args[1].c_str(), "%d.%d.%d", &major, &minor, &patch);
if (res==3)
reqVersion=float(major)+0.1*float(minor)+0.01*float(patch);
else if (res==2)
reqVersion=float(major)+0.1*float(minor);
if(reqVersion > version)
{
cmOStringStream str;
str << "WARNING: This project requires version: " << args[1].c_str() << " of cmake.\n"
<< "You are running version: " << version;
cmSystemTools::Message(str.str().c_str());
}
return true;
}