https://github.com/Kitware/CMake
Tip revision: 7f8f6dbf45aa5250281c7e383e3d32599590564b authored by David Cole on 30 December 2011, 16:05:59 UTC
CMake 2.8.7
CMake 2.8.7
Tip revision: 7f8f6db
cmUtilitySourceCommand.cxx
/*============================================================================
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 "cmUtilitySourceCommand.h"
// cmUtilitySourceCommand
bool cmUtilitySourceCommand
::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &)
{
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 =
this->Makefile->GetDefinition(cacheEntry.c_str());
// If it exists already and appears up to date then we are done. If
// the string contains "(IntDir)" but that is not the
// CMAKE_CFG_INTDIR setting then the value is out of date.
const char* intDir =
this->Makefile->GetRequiredDefinition("CMAKE_CFG_INTDIR");
bool haveCacheValue = false;
if (this->Makefile->IsOn("CMAKE_CROSSCOMPILING"))
{
haveCacheValue = (cacheValue != 0);
if (!haveCacheValue)
{
std::string msg = "UTILITY_SOURCE is used in cross compiling mode for ";
msg += cacheEntry;
msg += ". If your intention is to run this executable, you need to "
"preload the cache with the full path to a version of that "
"program, which runs on this build machine.";
cmSystemTools::Message(msg.c_str() ,"Warning");
}
}
else
{
haveCacheValue = (cacheValue &&
(strstr(cacheValue, "(IntDir)") == 0 ||
(intDir && strcmp(intDir, "$(IntDir)") == 0)) &&
(this->Makefile->GetCacheMajorVersion() != 0 &&
this->Makefile->GetCacheMinorVersion() != 0 ));
}
if(haveCacheValue)
{
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 = this->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 =
this->Makefile->GetRequiredDefinition("CMAKE_CFG_INTDIR");
std::string utilityDirectory = this->Makefile->GetCurrentOutputDirectory();
std::string exePath;
if (this->Makefile->GetDefinition("EXECUTABLE_OUTPUT_PATH"))
{
exePath = this->Makefile->GetDefinition("EXECUTABLE_OUTPUT_PATH");
}
if(exePath.size())
{
utilityDirectory = exePath;
}
else
{
utilityDirectory += "/"+relativeSource;
}
// Construct the cache entry for the executable's location.
std::string utilityExecutable =
utilityDirectory+"/"+cmakeCFGout+"/"
+utilityName+this->Makefile->GetDefinition("CMAKE_EXECUTABLE_SUFFIX");
// make sure we remove any /./ in the name
cmSystemTools::ReplaceString(utilityExecutable, "/./", "/");
// Enter the value into the cache.
this->Makefile->AddCacheDefinition(cacheEntry.c_str(),
utilityExecutable.c_str(),
"Path to an internal program.",
cmCacheManager::FILEPATH);
// add a value into the cache that maps from the
// full path to the name of the project
cmSystemTools::ConvertToUnixSlashes(utilityExecutable);
this->Makefile->AddCacheDefinition(utilityExecutable.c_str(),
utilityName.c_str(),
"Executable to project name.",
cmCacheManager::INTERNAL);
return true;
}