69 lines
2.1 KiB
C++
69 lines
2.1 KiB
C++
/*============================================================================
|
|
CMake - Cross Platform Makefile Generator
|
|
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
|
|
|
|
Distributed under the OSI-approved BSD License (the "License");
|
|
see accompanying file Copyright.txt for details.
|
|
|
|
This software is distributed WITHOUT ANY WARRANTY; without even the
|
|
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
See the License for more information.
|
|
============================================================================*/
|
|
#include "cmOptionCommand.h"
|
|
|
|
// cmOptionCommand
|
|
bool cmOptionCommand
|
|
::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &)
|
|
{
|
|
bool argError = false;
|
|
if(args.size() < 2)
|
|
{
|
|
argError = true;
|
|
}
|
|
// for VTK 4.0 we have to support the option command with more than 3
|
|
// arguments if CMAKE_MINIMUM_REQUIRED_VERSION is not defined, if
|
|
// CMAKE_MINIMUM_REQUIRED_VERSION is defined, then we can have stricter
|
|
// checking.
|
|
if(this->Makefile->GetDefinition("CMAKE_MINIMUM_REQUIRED_VERSION"))
|
|
{
|
|
if(args.size() > 3)
|
|
{
|
|
argError = true;
|
|
}
|
|
}
|
|
if(argError)
|
|
{
|
|
std::string m = "called with incorrect number of arguments: ";
|
|
for(size_t i =0; i < args.size(); ++i)
|
|
{
|
|
m += args[i];
|
|
m += " ";
|
|
}
|
|
this->SetError(m);
|
|
return false;
|
|
}
|
|
|
|
std::string initialValue = "Off";
|
|
// Now check and see if the value has been stored in the cache
|
|
// already, if so use that value and don't look for the program
|
|
cmCacheManager::CacheIterator it =
|
|
this->Makefile->GetCacheManager()->GetCacheIterator(args[0].c_str());
|
|
if(!it.IsAtEnd())
|
|
{
|
|
if ( it.GetType() != cmCacheManager::UNINITIALIZED )
|
|
{
|
|
it.SetProperty("HELPSTRING", args[1].c_str());
|
|
return true;
|
|
}
|
|
initialValue = it.GetValue();
|
|
}
|
|
if(args.size() == 3)
|
|
{
|
|
initialValue = args[2];
|
|
}
|
|
bool init = cmSystemTools::IsOn(initialValue.c_str());
|
|
this->Makefile->AddCacheDefinition(args[0], init? "ON":"OFF",
|
|
args[1].c_str(), cmCacheManager::BOOL);
|
|
return true;
|
|
}
|