81 lines
2.6 KiB
C++
81 lines
2.6 KiB
C++
/*=========================================================================
|
|
|
|
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 "cmVariableRequiresCommand.h"
|
|
#include "cmCacheManager.h"
|
|
|
|
// cmLibraryCommand
|
|
bool cmVariableRequiresCommand::InitialPass(std::vector<std::string> const& args)
|
|
{
|
|
if(args.size() < 3 )
|
|
{
|
|
this->SetError("called with incorrect number of arguments");
|
|
return false;
|
|
}
|
|
m_Arguments = args;
|
|
return true;
|
|
}
|
|
|
|
void cmVariableRequiresCommand::FinalPass()
|
|
{
|
|
std::string testVariable = m_Arguments[0];
|
|
if(!m_Makefile->IsOn(testVariable.c_str()))
|
|
{
|
|
return;
|
|
}
|
|
std::string resultVariable = m_Arguments[1];
|
|
bool requirementsMet = true;
|
|
std::string notSet;
|
|
bool hasAdvanced = false;
|
|
for(unsigned int i = 2; i < m_Arguments.size(); ++i)
|
|
{
|
|
if(!m_Makefile->IsOn(m_Arguments[i].c_str()))
|
|
{
|
|
requirementsMet = false;
|
|
notSet += m_Arguments[i];
|
|
notSet += "\n";
|
|
cmCacheManager::CacheIterator it =
|
|
m_Makefile->GetCacheManager()->GetCacheIterator(m_Arguments[i].c_str());
|
|
if(!it.IsAtEnd() && it.GetPropertyAsBool("ADVANCED"))
|
|
{
|
|
hasAdvanced = true;
|
|
}
|
|
}
|
|
}
|
|
const char* reqVar = m_Makefile->GetDefinition(resultVariable.c_str());
|
|
// if reqVar is unset, then set it to requirementsMet
|
|
// if reqVar is set to true, but requirementsMet is false , then
|
|
// set reqVar to false.
|
|
if(!reqVar || (!requirementsMet && m_Makefile->IsOn(reqVar)))
|
|
{
|
|
m_Makefile->AddDefinition(resultVariable.c_str(), requirementsMet);
|
|
}
|
|
|
|
if(!requirementsMet)
|
|
{
|
|
std::string message = "Variable assertion failed:\n";
|
|
message += testVariable + " Requires that the following unset variables are set:\n";
|
|
message += notSet;
|
|
message += "\nPlease set them, or set ";
|
|
message += testVariable + " to false, and re-configure.\n";
|
|
if(hasAdvanced)
|
|
{
|
|
message += "One or more of the required variables is advanced. To set the variable, you must turn on advanced mode in cmake.";
|
|
}
|
|
cmSystemTools::Error(message.c_str());
|
|
}
|
|
}
|