CMake/Source/cmUtilitySourceCommand.cxx

87 lines
2.7 KiB
C++

/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2000 National Library of Medicine
All rights reserved.
See COPYRIGHT.txt for copyright details.
=========================================================================*/
#include "cmUtilitySourceCommand.h"
// cmUtilitySourceCommand
bool cmUtilitySourceCommand::Invoke(std::vector<std::string>& args)
{
if(args.size() < 3)
{
this->SetError("called with incorrect number of arguments");
return false;
}
std::vector<std::string>::const_iterator arg = args.begin();
// The first argument is the cache entry name.
std::string cacheEntry = *arg++;
const char* cacheValue =
cmCacheManager::GetInstance()->GetCacheValue(cacheEntry.c_str());
// If it exists already, we are done.
if(cacheValue)
{
// Set the makefile's definition with the cache value.
m_Makefile->AddDefinition(cacheEntry.c_str(), cacheValue);
return true;
}
// The second argument is the utility's executable name, which will be
// needed later.
std::string utilityName = *arg++;
// The third argument specifies the relative directory of the source
// of the utility.
std::string relativeSource = *arg++;
std::string utilitySource = m_Makefile->GetCurrentDirectory();
utilitySource = utilitySource+"/"+relativeSource;
// If the directory doesn't exist, the source has not been included.
if(!cmSystemTools::FileExists(utilitySource.c_str()))
{ return true; }
// Make sure all the files exist in the source directory.
while(arg != args.end())
{
std::string file = utilitySource+"/"+*arg++;
if(!cmSystemTools::FileExists(file.c_str()))
{ return true; }
}
// The source exists.
std::string cmakeCFGout = m_Makefile->GetDefinition("CMAKE_CFG_OUTDIR");
std::string utilityDirectory = m_Makefile->GetCurrentOutputDirectory();
utilityDirectory += "/"+relativeSource;
// Tell the makefile where to look for this utility.
m_Makefile->AddUtilityDirectory(utilityDirectory.c_str());
// Construct the cache entry for the executable's location.
std::string utilityExecutable =
utilityDirectory+"/"+cmakeCFGout+"/"
+utilityName+cmSystemTools::GetExecutableExtension();
// Enter the value into the cache.
cmCacheManager::GetInstance()->AddCacheEntry(cacheEntry.c_str(),
utilityExecutable.c_str(),
cmCacheManager::FILEPATH);
// Set the definition in the makefile.
m_Makefile->AddDefinition(cacheEntry.c_str(), utilityExecutable.c_str());
return true;
}