Merge topic 'ImprovedDotSupport2'

78c86f4 Exclude targets from the graphviz file based on a regex
5ea1e4c Collect targets and libs on demand instead of in the ctor
2a5790a Use std::cout instead of fprintf
7ba2d36 Enable/disable generating graphs depending on the target type
84ce612 Move the code for generating dot-files into separate class cmGraphVizWriter
a60b099 Generate separate dot files for each target, and a big one with everything.
487bd57 Properly insert all targets, also those which don't link to anything.
de2b2bf Move the code for collecting targets and libraries into separate functions
f7d56df Remove trailing whitespace and minor formatting changes for the dot-code

5 files changed, 642 insertions, 344 deletions

diff --git a/Source/CMakeLists.txt b/Source/CMakeLists.txt
index 71284b2..718e52e 100644
--- a/Source/CMakeLists.txt
+++ b/Source/CMakeLists.txt
@@ -183,6 +183,8 @@ SET(SRCS
   cmGlobalUnixMakefileGenerator3.cxx
   cmGlobalUnixMakefileGenerator3.h
   cmGraphAdjacencyList.h
+  cmGraphVizWriter.cxx
+  cmGraphVizWriter.h
   cmInstallGenerator.h
   cmInstallGenerator.cxx
   cmInstallExportGenerator.cxx
@@ -332,7 +334,7 @@ ENDIF (WIN32)
 
 # create a library used by the command line and the GUI
 ADD_LIBRARY(CMakeLib ${SRCS})
-TARGET_LINK_LIBRARIES(CMakeLib cmsys 
+TARGET_LINK_LIBRARIES(CMakeLib cmsys
   ${CMAKE_EXPAT_LIBRARIES} ${CMAKE_ZLIB_LIBRARIES}
   ${CMAKE_TAR_LIBRARIES} ${CMAKE_COMPRESS_LIBRARIES}
   ${CMAKE_CURL_LIBRARIES} )
@@ -432,7 +434,7 @@ IF(CYGWIN)
     CPack/cmCPackCygwinSourceGenerator.cxx
     )
 ENDIF(CYGWIN)
-  
+
 IF(UNIX)
   SET(CPACK_SRCS ${CPACK_SRCS}
     CPack/cmCPackDebGenerator.cxx
diff --git a/Source/cmGraphVizWriter.cxx b/Source/cmGraphVizWriter.cxx
new file mode 100644
index 0000000..bdb33bc
--- /dev/null
+++ b/Source/cmGraphVizWriter.cxx
@@ -0,0 +1,435 @@
+/*============================================================================
+  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 "cmGraphVizWriter.h"
+#include "cmMakefile.h"
+#include "cmLocalGenerator.h"
+#include "cmGlobalGenerator.h"
+#include "cmGeneratedFileStream.h"
+
+#include <memory>
+
+
+
+static const char* getShapeForTarget(const cmTarget* target)
+{
+  if (!target)
+    {
+    return "ellipse";
+    }
+
+  switch ( target->GetType() )
+    {
+    case cmTarget::EXECUTABLE:
+      return "house";
+    case cmTarget::STATIC_LIBRARY:
+      return "diamond";
+    case cmTarget::SHARED_LIBRARY:
+      return "polygon";
+    case cmTarget::MODULE_LIBRARY:
+      return "octagon";
+    default:
+      break;
+    }
+
+  return "box";
+}
+
+
+cmGraphVizWriter::cmGraphVizWriter(const std::vector<cmLocalGenerator*>&
+                                                               localGenerators)
+:GraphType("digraph")
+,GraphName("GG")
+,GraphHeader("node [\n  fontsize = \"12\"\n];")
+,GraphNodePrefix("node")
+,GenerateForExecutables(true)
+,GenerateForStaticLibs(true)
+,GenerateForSharedLibs(true)
+,GenerateForModuleLibs(true)
+,LocalGenerators(localGenerators)
+,HaveTargetsAndLibs(false)
+{
+}
+
+
+void cmGraphVizWriter::ReadSettings(const char* settingsFileName,
+                                    const char* fallbackSettingsFileName)
+{
+  cmake cm;
+  cmGlobalGenerator ggi;
+  ggi.SetCMakeInstance(&cm);
+  std::auto_ptr<cmLocalGenerator> lg(ggi.CreateLocalGenerator());
+  cmMakefile *mf = lg->GetMakefile();
+
+  const char* inFileName = settingsFileName;
+
+  if ( !cmSystemTools::FileExists(inFileName) )
+    {
+    inFileName = fallbackSettingsFileName;
+    if ( !cmSystemTools::FileExists(inFileName) )
+      {
+      return;
+      }
+    }
+
+  if ( !mf->ReadListFile(0, inFileName) )
+    {
+    cmSystemTools::Error("Problem opening GraphViz options file: ",
+                         inFileName);
+    return;
+    }
+
+  std::cout << "Reading GraphViz options file: " << inFileName << std::endl;
+
+#define __set_if_set(var, cmakeDefinition) \
+  { \
+  const char* value = mf->GetDefinition(cmakeDefinition); \
+  if ( value ) \
+    { \
+    var = value; \
+    } \
+  }
+
+  __set_if_set(this->GraphType, "GRAPHVIZ_GRAPH_TYPE");
+  __set_if_set(this->GraphName, "GRAPHVIZ_GRAPH_NAME");
+  __set_if_set(this->GraphHeader, "GRAPHVIZ_GRAPH_HEADER");
+  __set_if_set(this->GraphNodePrefix, "GRAPHVIZ_NODE_PREFIX");
+
+#define __set_bool_if_set(var, cmakeDefinition) \
+  { \
+  const char* value = mf->GetDefinition(cmakeDefinition); \
+  if ( value ) \
+    { \
+    var = mf->IsOn(cmakeDefinition); \
+    } \
+  }
+
+  __set_bool_if_set(this->GenerateForExecutables, "GRAPHVIZ_EXECUTABLES");
+  __set_bool_if_set(this->GenerateForStaticLibs, "GRAPHVIZ_STATIC_LIBS");
+  __set_bool_if_set(this->GenerateForSharedLibs, "GRAPHVIZ_SHARED_LIBS");
+  __set_bool_if_set(this->GenerateForModuleLibs , "GRAPHVIZ_MODULE_LIBS");
+
+  cmStdString tmpRegexString;
+  __set_if_set(tmpRegexString, "GRAPHVIZ_TARGET_IGNORE_REGEX");
+  if (tmpRegexString.size() > 0)
+    {
+    if (!this->TargetIgnoreRegex.compile(tmpRegexString.c_str()))
+      {
+      std::cerr << "Could not compile bad regex \"" << tmpRegexString << "\""
+                << std::endl;
+      }
+    }
+
+  this->TargetsToIgnore.clear();
+  const char* ignoreTargets = mf->GetDefinition("GRAPHVIZ_IGNORE_TARGETS");
+  if ( ignoreTargets )
+    {
+    std::vector<std::string> ignoreTargetsVector;
+    cmSystemTools::ExpandListArgument(ignoreTargets,ignoreTargetsVector);
+    for(std::vector<std::string>::iterator itvIt = ignoreTargetsVector.begin();
+        itvIt != ignoreTargetsVector.end();
+        ++ itvIt )
+      {
+      this->TargetsToIgnore.insert(itvIt->c_str());
+      }
+    }
+
+}
+
+
+void cmGraphVizWriter::WritePerTargetFiles(const char* fileName)
+{
+  this->CollectTargetsAndLibs();
+
+  for(std::map<cmStdString, const cmTarget*>::const_iterator ptrIt =
+                                                      this->TargetPtrs.begin();
+      ptrIt != this->TargetPtrs.end();
+      ++ptrIt)
+    {
+    if (ptrIt->second == NULL)
+      {
+      continue;
+      }
+
+    if (this->GenerateForTargetType(ptrIt->second->GetType()) == false)
+      {
+      continue;
+      }
+
+    std::set<std::string> insertedConnections;
+    std::set<std::string> insertedNodes;
+
+    std::string currentFilename = fileName;
+    currentFilename += ".";
+    currentFilename += ptrIt->first;
+    cmGeneratedFileStream str(currentFilename.c_str());
+    if ( !str )
+      {
+      return;
+      }
+
+    std::cout << "Writing " << currentFilename << "..." << std::endl;
+    this->WriteHeader(str);
+
+    this->WriteConnections(ptrIt->first.c_str(),
+                              insertedNodes, insertedConnections, str);
+    this->WriteFooter(str);
+    }
+
+}
+
+
+void cmGraphVizWriter::WriteGlobalFile(const char* fileName)
+{
+  this->CollectTargetsAndLibs();
+
+  cmGeneratedFileStream str(fileName);
+  if ( !str )
+    {
+    return;
+    }
+  this->WriteHeader(str);
+
+  std::cout << "Writing " << fileName << "..." << std::endl;
+
+  std::set<std::string> insertedConnections;
+  std::set<std::string> insertedNodes;
+
+  for(std::map<cmStdString, const cmTarget*>::const_iterator ptrIt =
+                                                      this->TargetPtrs.begin();
+      ptrIt != this->TargetPtrs.end();
+      ++ptrIt)
+    {
+    if (ptrIt->second == NULL)
+      {
+      continue;
+      }
+
+    if (this->GenerateForTargetType(ptrIt->second->GetType()) == false)
+      {
+      continue;
+      }
+
+    this->WriteConnections(ptrIt->first.c_str(),
+                              insertedNodes, insertedConnections, str);
+    }
+  this->WriteFooter(str);
+}
+
+
+void cmGraphVizWriter::WriteHeader(cmGeneratedFileStream& str) const
+{
+  str << this->GraphType << " " << this->GraphName << " {" << std::endl;
+  str << this->GraphHeader << std::endl;
+}
+
+
+void cmGraphVizWriter::WriteFooter(cmGeneratedFileStream& str) const
+{
+  str << "}" << std::endl;
+}
+
+
+void cmGraphVizWriter::WriteConnections(const char* targetName,
+                                    std::set<std::string>& insertedNodes,
+                                    std::set<std::string>& insertedConnections,
+                                    cmGeneratedFileStream& str) const
+{
+  std::map<cmStdString, const cmTarget* >::const_iterator targetPtrIt =
+                                             this->TargetPtrs.find(targetName);
+
+  if (targetPtrIt == this->TargetPtrs.end())  // not found at all
+    {
+    return;
+    }
+
+  this->WriteNode(targetName, targetPtrIt->second, insertedNodes, str);
+
+  if (targetPtrIt->second == NULL) // it's an external library
+    {
+    return;
+    }
+
+
+  std::string myNodeName = this->TargetNamesNodes.find(targetName)->second;
+
+  const cmTarget::LinkLibraryVectorType* ll =
+                            &(targetPtrIt->second->GetOriginalLinkLibraries());
+
+  for (cmTarget::LinkLibraryVectorType::const_iterator llit = ll->begin();
+       llit != ll->end();
+       ++ llit )
+    {
+    const char* libName = llit->first.c_str();
+    std::map<cmStdString, cmStdString>::const_iterator libNameIt =
+                                          this->TargetNamesNodes.find(libName);
+
+    std::string connectionName = myNodeName;
+    connectionName += "-";
+    connectionName += libNameIt->second;
+    if (insertedConnections.find(connectionName) == insertedConnections.end())
+      {
+      insertedConnections.insert(connectionName);
+      this->WriteNode(libName, this->TargetPtrs.find(libName)->second,
+                      insertedNodes, str);
+
+      str << "    \"" << myNodeName.c_str() << "\" -> \""
+          << libNameIt->second.c_str() << "\"";
+      str << " // " << targetName << " -> " << libName << std::endl;
+      this->WriteConnections(libName, insertedNodes, insertedConnections, str);
+      }
+    }
+
+}
+
+
+void cmGraphVizWriter::WriteNode(const char* targetName,
+                                 const cmTarget* target,
+                                 std::set<std::string>& insertedNodes,
+                                 cmGeneratedFileStream& str) const
+{
+  if (insertedNodes.find(targetName) == insertedNodes.end())
+  {
+    insertedNodes.insert(targetName);
+    std::map<cmStdString, cmStdString>::const_iterator nameIt =
+                                       this->TargetNamesNodes.find(targetName);
+
+    str << "    \"" << nameIt->second.c_str() << "\" [ label=\""
+        << targetName <<  "\" shape=\"" << getShapeForTarget(target)
+        << "\"];" << std::endl;
+  }
+}
+
+
+void cmGraphVizWriter::CollectTargetsAndLibs()
+{
+  if (this->HaveTargetsAndLibs == false)
+    {
+    this->HaveTargetsAndLibs = true;
+    int cnt = this->CollectAllTargets();
+    this->CollectAllExternalLibs(cnt);
+    }
+}
+
+
+int cmGraphVizWriter::CollectAllTargets()
+{
+  int cnt = 0;
+  // First pass get the list of all cmake targets
+  for (std::vector<cmLocalGenerator*>::const_iterator lit =
+                                                 this->LocalGenerators.begin();
+       lit != this->LocalGenerators.end();
+       ++ lit )
+    {
+    const cmTargets* targets = &((*lit)->GetMakefile()->GetTargets());
+    for ( cmTargets::const_iterator tit = targets->begin();
+          tit != targets->end();
+          ++ tit )
+      {
+      const char* realTargetName = tit->first.c_str();
+      if(this->IgnoreThisTarget(realTargetName))
+        {
+        // Skip ignored targets
+        continue;
+        }
+      //std::cout << "Found target: " << tit->first.c_str() << std::endl;
+      cmOStringStream ostr;
+      ostr << this->GraphNodePrefix << cnt++;
+      this->TargetNamesNodes[realTargetName] = ostr.str();
+      this->TargetPtrs[realTargetName] = &tit->second;
+      }
+    }
+
+  return cnt;
+}
+
+
+int cmGraphVizWriter::CollectAllExternalLibs(int cnt)
+{
+  // Ok, now find all the stuff we link to that is not in cmake
+  for (std::vector<cmLocalGenerator*>::const_iterator lit =
+                                                 this->LocalGenerators.begin();
+       lit != this->LocalGenerators.end();
+       ++ lit )
+    {
+    const cmTargets* targets = &((*lit)->GetMakefile()->GetTargets());
+    for ( cmTargets::const_iterator tit = targets->begin();
+          tit != targets->end();
+          ++ tit )
+      {
+      const char* realTargetName = tit->first.c_str();
+      if (this->IgnoreThisTarget(realTargetName))
+        {
+        // Skip ignored targets
+        continue;
+        }
+      const cmTarget::LinkLibraryVectorType* ll =
+                                     &(tit->second.GetOriginalLinkLibraries());
+      for (cmTarget::LinkLibraryVectorType::const_iterator llit = ll->begin();
+           llit != ll->end();
+           ++ llit )
+        {
+        const char* libName = llit->first.c_str();
+        if (this->IgnoreThisTarget(libName))
+          {
+          // Skip ignored targets
+          continue;
+          }
+
+        std::map<cmStdString, const cmTarget*>::const_iterator tarIt =
+                                                this->TargetPtrs.find(libName);
+        if ( tarIt == this->TargetPtrs.end() )
+          {
+          cmOStringStream ostr;
+          ostr << this->GraphNodePrefix << cnt++;
+          this->TargetNamesNodes[libName] = ostr.str();
+          this->TargetPtrs[libName] = NULL;
+          //str << "    \"" << ostr.c_str() << "\" [ label=\"" << libName
+          //<<  "\" shape=\"ellipse\"];" << std::endl;
+          }
+        }
+      }
+    }
+   return cnt;
+}
+
+
+bool cmGraphVizWriter::IgnoreThisTarget(const char* name)
+{
+  if (this->TargetIgnoreRegex.is_valid())
+    {
+    if (this->TargetIgnoreRegex.find(name))
+      {
+      return true;
+      }
+    }
+  return (this->TargetsToIgnore.find(name) != this->TargetsToIgnore.end());
+}
+
+
+bool cmGraphVizWriter::GenerateForTargetType(cmTarget::TargetType targetType)
+                                                                          const
+{
+  switch (targetType)
+  {
+    case cmTarget::EXECUTABLE:
+      return this->GenerateForExecutables;
+    case cmTarget::STATIC_LIBRARY:
+      return this->GenerateForStaticLibs;
+    case cmTarget::SHARED_LIBRARY:
+      return this->GenerateForSharedLibs;
+    case cmTarget::MODULE_LIBRARY:
+      return this->GenerateForModuleLibs;
+    default:
+      break;
+  }
+  return false;
+}
diff --git a/Source/cmGraphVizWriter.h b/Source/cmGraphVizWriter.h
new file mode 100644
index 0000000..105eb96
--- /dev/null
+++ b/Source/cmGraphVizWriter.h
@@ -0,0 +1,84 @@
+#ifndef CMGRAPHVIZWRITER_H
+#define CMGRAPHVIZWRITER_H
+/*============================================================================
+  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 "cmStandardIncludes.h"
+#include "cmLocalGenerator.h"
+#include "cmGeneratedFileStream.h"
+#include "cmTarget.h"
+#include <cmsys/RegularExpression.hxx>
+
+
+/** This class implements writing files for graphviz (dot) for graphs
+ * representing the dependencies between the targets in the project. */
+class cmGraphVizWriter
+{
+public:
+
+  cmGraphVizWriter(const std::vector<cmLocalGenerator*>& localGenerators);
+
+  void ReadSettings(const char* settingsFileName,
+                    const char* fallbackSettingsFileName);
+
+  void WritePerTargetFiles(const char* fileName);
+
+  void WriteGlobalFile(const char* fileName);
+
+protected:
+
+  void CollectTargetsAndLibs();
+
+  int CollectAllTargets();
+
+  int CollectAllExternalLibs(int cnt);
+
+  void WriteHeader(cmGeneratedFileStream& str) const;
+
+  void WriteConnections(const char* targetName,
+                        std::set<std::string>& insertedNodes,
+                        std::set<std::string>& insertedConnections,
+                        cmGeneratedFileStream& str) const;
+
+  void WriteNode(const char* targetName, const cmTarget* target,
+                 std::set<std::string>& insertedNodes,
+                 cmGeneratedFileStream& str) const;
+
+  void WriteFooter(cmGeneratedFileStream& str) const;
+
+  bool IgnoreThisTarget(const char* name);
+
+  bool GenerateForTargetType(cmTarget::TargetType targetType) const;
+
+  cmStdString GraphType;
+  cmStdString GraphName;
+  cmStdString GraphHeader;
+  cmStdString GraphNodePrefix;
+
+  bool GenerateForExecutables;
+  bool GenerateForStaticLibs;
+  bool GenerateForSharedLibs;
+  bool GenerateForModuleLibs;
+
+  cmsys::RegularExpression TargetIgnoreRegex;
+
+  std::set<cmStdString> TargetsToIgnore;
+
+  const std::vector<cmLocalGenerator*>& LocalGenerators;
+
+  std::map<cmStdString, const cmTarget*> TargetPtrs;
+  // maps from the actual target names to node names in dot:
+  std::map<cmStdString, cmStdString> TargetNamesNodes;
+
+  bool HaveTargetsAndLibs;
+};
+
+#endif
diff --git a/Source/cmake.cxx b/Source/cmake.cxx
index 2ebd165..aec8e06 100644
--- a/Source/cmake.cxx
+++ b/Source/cmake.cxx
@@ -26,6 +26,7 @@
 #include "cmDocumentationFormatterText.h"
 
 #if defined(CMAKE_BUILD_WITH_CMAKE)
+# include "cmGraphVizWriter.h"
 # include "cmDependsFortran.h" // For -E cmake_copy_f90_mod callback.
 # include "cmVariableWatch.h"
 # include <cmsys/Terminal.h>
@@ -169,7 +170,7 @@ cmake::cmake()
   this->ProgressCallback = 0;
   this->ProgressCallbackClientData = 0;
   this->ScriptMode = false;
-  
+
 #ifdef CMAKE_BUILD_WITH_CMAKE
   this->VariableWatch = new cmVariableWatch;
   this->VariableWatch->AddWatch("CMAKE_WORDS_BIGENDIAN",
@@ -382,7 +383,7 @@ bool cmake::SetCacheArgs(const std::vector<std::string>& args)
       this->DoSuppressDevWarnings = true;
       }
     else if(arg.find("-Wdev",0) == 0)
-      { 
+      {
       this->SuppressDevWarnings = false;
       this->DoSuppressDevWarnings = true;
       }
@@ -406,7 +407,7 @@ bool cmake::SetCacheArgs(const std::vector<std::string>& args)
         cmsys::Glob::PatternToRegex(entryPattern.c_str(), true, true).c_str());
       //go through all cache entries and collect the vars which will be removed
       std::vector<std::string> entriesToDelete;
-      cmCacheManager::CacheIterator it = 
+      cmCacheManager::CacheIterator it =
                                     this->CacheManager->GetCacheIterator();
       for ( it.Begin(); !it.IsAtEnd(); it.Next() )
         {
@@ -422,8 +423,8 @@ bool cmake::SetCacheArgs(const std::vector<std::string>& args)
         }
 
       // now remove them from the cache
-      for(std::vector<std::string>::const_iterator currentEntry = 
-          entriesToDelete.begin(); 
+      for(std::vector<std::string>::const_iterator currentEntry =
+          entriesToDelete.begin();
           currentEntry != entriesToDelete.end();
           ++currentEntry)
         {
@@ -791,7 +792,7 @@ int cmake::AddCMakePaths()
     cMakeSelf += "/cmake";
     std::cerr << cMakeSelf.c_str() << "\n";
     }
-#endif 
+#endif
   if(!cmSystemTools::FileExists(cMakeSelf.c_str()))
     {
     cmSystemTools::Error("CMake executable cannot be found at ",
@@ -802,12 +803,12 @@ int cmake::AddCMakePaths()
   this->CacheManager->AddCacheEntry
     ("CMAKE_COMMAND",cMakeSelf.c_str(), "Path to CMake executable.",
      cmCacheManager::INTERNAL);
-  // if the edit command is not yet in the cache, 
+  // if the edit command is not yet in the cache,
   // or if CMakeEditCommand has been set on this object,
   // then set the CMAKE_EDIT_COMMAND in the cache
   // This will mean that the last gui to edit the cache
   // will be the one that make edit_cache uses.
-  if(!this->GetCacheDefinition("CMAKE_EDIT_COMMAND") 
+  if(!this->GetCacheDefinition("CMAKE_EDIT_COMMAND")
     || !this->CMakeEditCommand.empty())
     {
     // Find and save the command to edit the cache
@@ -815,8 +816,8 @@ int cmake::AddCMakePaths()
     if(!this->CMakeEditCommand.empty())
       {
       editCacheCommand = cmSystemTools::GetFilenamePath(cMakeSelf)
-        + std::string("/") 
-        + this->CMakeEditCommand 
+        + std::string("/")
+        + this->CMakeEditCommand
         + cmSystemTools::GetFilenameExtension(cMakeSelf);
       }
     if( !cmSystemTools::FileExists(editCacheCommand.c_str()))
@@ -936,7 +937,7 @@ void CMakeCommandUsage(const char* program)
   errorStream
     << "cmake bootstrap\n";
 #endif
-  // If you add new commands, change here, 
+  // If you add new commands, change here,
   // and in cmakemain.cxx in the options table
   errorStream
     << "Usage: " << program << " -E [command] [arguments ...]\n"
@@ -1091,7 +1092,7 @@ int cmake::ExecuteCMakeCommand(std::vector<std::string>& args)
       return 0;
       }
 #endif
-    
+
     else if (args[1] == "make_directory" && args.size() == 3)
       {
       if(!cmSystemTools::MakeDirectory(args[2].c_str()))
@@ -1342,7 +1343,7 @@ int cmake::ExecuteCMakeCommand(std::vector<std::string>& args)
         }
       return 0;
       }
-    
+
     // Command to create a symbolic link.  Fails on platforms not
     // supporting them.
     else if (args[1] == "create_symlink" && args.size() == 4)
@@ -1410,7 +1411,7 @@ int cmake::ExecuteCMakeCommand(std::vector<std::string>& args)
       // Use the make system's VERBOSE environment variable to enable
       // verbose output. This can be skipped by also setting CMAKE_NO_VERBOSE
       // (which is set by the Eclipse and KDevelop generators).
-      bool verbose = ((cmSystemTools::GetEnv("VERBOSE") != 0) 
+      bool verbose = ((cmSystemTools::GetEnv("VERBOSE") != 0)
                        && (cmSystemTools::GetEnv("CMAKE_NO_VERBOSE") == 0));
 
       // Create a cmake object instance to process dependencies.
@@ -1635,14 +1636,14 @@ int cmake::ExecuteCMakeCommand(std::vector<std::string>& args)
   return 1;
 }
 
-void cmake::AddExtraGenerator(const char* name, 
+void cmake::AddExtraGenerator(const char* name,
                               CreateExtraGeneratorFunctionType newFunction)
 {
   cmExternalMakefileProjectGenerator* extraGenerator = newFunction();
   const std::vector<std::string>& supportedGlobalGenerators =
                                 extraGenerator->GetSupportedGlobalGenerators();
 
-  for(std::vector<std::string>::const_iterator 
+  for(std::vector<std::string>::const_iterator
       it = supportedGlobalGenerators.begin();
       it != supportedGlobalGenerators.end();
       ++it )
@@ -1670,11 +1671,11 @@ void cmake::AddDefaultExtraGenerators()
 #endif
 
 #ifdef CMAKE_USE_KDEVELOP
-  this->AddExtraGenerator(cmGlobalKdevelopGenerator::GetActualName(), 
+  this->AddExtraGenerator(cmGlobalKdevelopGenerator::GetActualName(),
                           &cmGlobalKdevelopGenerator::New);
-  // for kdevelop also add the generator with just the name of the 
+  // for kdevelop also add the generator with just the name of the
   // extra generator, since it was this way since cmake 2.2
-  this->ExtraGenerators[cmGlobalKdevelopGenerator::GetActualName()] 
+  this->ExtraGenerators[cmGlobalKdevelopGenerator::GetActualName()]
                                              = &cmGlobalKdevelopGenerator::New;
 #endif
 
@@ -1690,7 +1691,7 @@ void cmake::GetRegisteredGenerators(std::vector<std::string>& names)
     {
     names.push_back(i->first);
     }
-  for(RegisteredExtraGeneratorsMap::const_iterator 
+  for(RegisteredExtraGeneratorsMap::const_iterator
       i = this->ExtraGenerators.begin();
       i != this->ExtraGenerators.end(); ++i)
     {
@@ -1828,7 +1829,7 @@ int cmake::DoPreConfigureChecks()
   // do a sanity check on some values
   if(this->CacheManager->GetCacheValue("CMAKE_HOME_DIRECTORY"))
     {
-    std::string cacheStart = 
+    std::string cacheStart =
       this->CacheManager->GetCacheValue("CMAKE_HOME_DIRECTORY");
     cacheStart += "/CMakeLists.txt";
     std::string currentStart = this->GetHomeDirectory();
@@ -1872,13 +1873,13 @@ int cmake::HandleDeleteCacheVariables(const char* var)
   cmCacheManager::CacheIterator ci = this->CacheManager->NewIterator();
   std::vector<SaveCacheEntry> saved;
   cmOStringStream warning;
-  warning 
+  warning
     << "You have changed variables that require your cache to be deleted.\n"
     << "Configure will be re-run and you may have to reset some variables.\n"
     << "The following variables have changed:\n";
   for(std::vector<std::string>::iterator i = argsSplit.begin();
       i != argsSplit.end(); ++i)
-    { 
+    {
     SaveCacheEntry save;
     save.key = *i;
     warning << *i << "= ";
@@ -1892,7 +1893,7 @@ int cmake::HandleDeleteCacheVariables(const char* var)
       }
     saved.push_back(save);
     }
-  
+
   // remove the cache
   this->CacheManager->DeleteCache(this->GetStartOutputDirectory());
   // load the empty cache
@@ -1964,7 +1965,7 @@ int cmake::ActualConfigure()
   if ( !res )
     {
     this->CacheManager->AddCacheEntry
-      ("CMAKE_HOME_DIRECTORY", 
+      ("CMAKE_HOME_DIRECTORY",
        this->GetHomeDirectory(),
        "Start directory with the top level CMakeLists.txt file for this "
        "project",
@@ -1974,9 +1975,9 @@ int cmake::ActualConfigure()
   // no generator specified on the command line
   if(!this->GlobalGenerator)
     {
-    const char* genName = 
+    const char* genName =
       this->CacheManager->GetCacheValue("CMAKE_GENERATOR");
-    const char* extraGenName = 
+    const char* extraGenName =
       this->CacheManager->GetCacheValue("CMAKE_EXTRA_GENERATOR");
     if(genName)
       {
@@ -1998,7 +1999,7 @@ int cmake::ActualConfigure()
       this->SetGlobalGenerator(new cmGlobalBorlandMakefileGenerator);
 #elif defined(_WIN32) && !defined(__CYGWIN__) && !defined(CMAKE_BOOT_MINGW)
       std::string installedCompiler;
-      // Try to find the newest VS installed on the computer and 
+      // Try to find the newest VS installed on the computer and
       // use that as a default if -G is not specified
       std::string vsregBase =
         "[HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\VisualStudio\\";
@@ -2062,11 +2063,11 @@ int cmake::ActualConfigure()
     }
   if(!this->CacheManager->GetCacheValue("CMAKE_GENERATOR"))
     {
-    this->CacheManager->AddCacheEntry("CMAKE_GENERATOR", 
+    this->CacheManager->AddCacheEntry("CMAKE_GENERATOR",
                                       this->GlobalGenerator->GetName(),
                                       "Name of generator.",
                                       cmCacheManager::INTERNAL);
-    this->CacheManager->AddCacheEntry("CMAKE_EXTRA_GENERATOR", 
+    this->CacheManager->AddCacheEntry("CMAKE_EXTRA_GENERATOR",
                                 this->GlobalGenerator->GetExtraGeneratorName(),
                                 "Name of external makefile project generator.",
                                 cmCacheManager::INTERNAL);
@@ -2205,7 +2206,7 @@ int cmake::Run(const std::vector<std::string>& args, bool noconfigure)
 
   // set the cmake command
   this->CMakeCommand = args[0];
-  
+
   if ( !this->ScriptMode )
     {
     // load the cache
@@ -2330,7 +2331,7 @@ void cmake::AddCacheEntry(const char* key, const char* value,
                           const char* helpString,
                           int type)
 {
-  this->CacheManager->AddCacheEntry(key, value, 
+  this->CacheManager->AddCacheEntry(key, value,
                                     helpString,
                                     cmCacheManager::CacheEntryType(type));
 }
@@ -2445,8 +2446,8 @@ void cmake::UpdateProgress(const char *msg, float prog)
     }
 }
 
-void cmake::GetCommandDocumentation(std::vector<cmDocumentationEntry>& v, 
-                                    bool withCurrentCommands, 
+void cmake::GetCommandDocumentation(std::vector<cmDocumentationEntry>& v,
+                                    bool withCurrentCommands,
                                     bool withCompatCommands) const
 {
   for(RegisteredCommandsMap::const_iterator j = this->Commands.begin();
@@ -2457,7 +2458,7 @@ void cmake::GetCommandDocumentation(std::vector<cmDocumentationEntry>& v,
       {
       continue;
       }
-    
+
     cmDocumentationEntry e((*j).second->GetName(),
                            (*j).second->GetTerseDocumentation(),
                            (*j).second->GetFullDocumentation());
@@ -2493,7 +2494,7 @@ void cmake::GetGeneratorDocumentation(std::vector<cmDocumentationEntry>& v)
     delete generator;
     v.push_back(e);
     }
-  for(RegisteredExtraGeneratorsMap::const_iterator 
+  for(RegisteredExtraGeneratorsMap::const_iterator
       i = this->ExtraGenerators.begin(); i != this->ExtraGenerators.end(); ++i)
     {
     cmDocumentationEntry e;
@@ -2508,7 +2509,7 @@ void cmake::GetGeneratorDocumentation(std::vector<cmDocumentationEntry>& v)
 void cmake::UpdateConversionPathTable()
 {
   // Update the path conversion table with any specified file:
-  const char* tablepath = 
+  const char* tablepath =
     this->CacheManager->GetCacheValue("CMAKE_PATH_TRANSLATION_FILE");
 
   if(tablepath)
@@ -2540,7 +2541,7 @@ int cmake::CheckBuildSystem()
   // the make system's VERBOSE environment variable to enable verbose
   // output. This can be skipped by setting CMAKE_NO_VERBOSE (which is set
   // by the Eclipse and KDevelop generators).
-  bool verbose = ((cmSystemTools::GetEnv("VERBOSE") != 0) 
+  bool verbose = ((cmSystemTools::GetEnv("VERBOSE") != 0)
                    && (cmSystemTools::GetEnv("CMAKE_NO_VERBOSE") == 0));
 
   // This method will check the integrity of the build system if the
@@ -2549,7 +2550,7 @@ int cmake::CheckBuildSystem()
 
   // If no file is provided for the check, we have to rerun.
   if(this->CheckBuildSystemArgument.size() == 0)
-    { 
+    {
     if(verbose)
       {
       cmOStringStream msg;
@@ -2565,7 +2566,7 @@ int cmake::CheckBuildSystem()
     if(verbose)
       {
       cmOStringStream msg;
-      msg << "Re-run cmake missing file: " 
+      msg << "Re-run cmake missing file: "
           << this->CheckBuildSystemArgument.c_str() << "\n";
       cmSystemTools::Stdout(msg.str().c_str());
       }
@@ -2585,7 +2586,7 @@ int cmake::CheckBuildSystem()
     if(verbose)
       {
       cmOStringStream msg;
-      msg << "Re-run cmake error reading : " 
+      msg << "Re-run cmake error reading : "
           << this->CheckBuildSystemArgument.c_str() << "\n";
       cmSystemTools::Stdout(msg.str().c_str());
       }
@@ -2835,253 +2836,27 @@ const char* cmake::GetCPackCommand()
     return this->CPackCommand.c_str();
 }
 
+
 void cmake::GenerateGraphViz(const char* fileName) const
 {
-  cmGeneratedFileStream str(fileName);
-  if ( !str )
-    {
-    return;
-    }
-  cmake cm;
-  cmGlobalGenerator ggi;
-  ggi.SetCMakeInstance(&cm);
-  std::auto_ptr<cmLocalGenerator> lg(ggi.CreateLocalGenerator());
-  cmMakefile *mf = lg->GetMakefile();
-
-  std::string infile = this->GetHomeOutputDirectory();
-  infile += "/CMakeGraphVizOptions.cmake";
-  if ( !cmSystemTools::FileExists(infile.c_str()) )
-    {
-    infile = this->GetHomeDirectory();
-    infile += "/CMakeGraphVizOptions.cmake";
-    if ( !cmSystemTools::FileExists(infile.c_str()) )
-      {
-      infile = "";
-      }
-    }
-
-  if ( !infile.empty() )
-    {
-    if ( !mf->ReadListFile(0, infile.c_str()) )
-      {
-      cmSystemTools::Error("Problem opening GraphViz options file: ",
-        infile.c_str());
-      return;
-      }
-    std::cout << "Read GraphViz options file: " << infile.c_str()
-      << std::endl;
-    }
-
-#define __set_if_not_set(var, value, cmakeDefinition) \
-  const char* var = mf->GetDefinition(cmakeDefinition); \
-  if ( !var ) \
-    { \
-    var = value; \
-    }
-  __set_if_not_set(graphType, "digraph", "GRAPHVIZ_GRAPH_TYPE");
-  __set_if_not_set(graphName, "GG", "GRAPHVIZ_GRAPH_NAME");
-  __set_if_not_set(graphHeader, "node [\n  fontsize = \"12\"\n];",
-    "GRAPHVIZ_GRAPH_HEADER");
-  __set_if_not_set(graphNodePrefix, "node", "GRAPHVIZ_NODE_PREFIX");
-  const char* ignoreTargets = mf->GetDefinition("GRAPHVIZ_IGNORE_TARGETS");
-  std::set<cmStdString> ignoreTargetsSet;
-  if ( ignoreTargets )
-    {
-    std::vector<std::string> ignoreTargetsVector;
-    cmSystemTools::ExpandListArgument(ignoreTargets,ignoreTargetsVector);
-    std::vector<std::string>::iterator itvIt;
-    for ( itvIt = ignoreTargetsVector.begin();
-      itvIt != ignoreTargetsVector.end();
-      ++ itvIt )
-      {
-      ignoreTargetsSet.insert(itvIt->c_str());
-      }
-    }
-
-  str << graphType << " " << graphName << " {" << std::endl;
-  str << graphHeader << std::endl;
-
-  const cmGlobalGenerator* gg = this->GetGlobalGenerator();
-  const std::vector<cmLocalGenerator*>& localGenerators = 
-      gg->GetLocalGenerators();
-  std::vector<cmLocalGenerator*>::const_iterator lit;
-  // for target deps
-  // 1 - cmake target
-  // 2 - external target
-  // 0 - no deps
-  std::map<cmStdString, int> targetDeps;
-  std::map<cmStdString, const cmTarget*> targetPtrs;
-  std::map<cmStdString, cmStdString> targetNamesNodes;
-  int cnt = 0;
-  // First pass get the list of all cmake targets
-  for ( lit = localGenerators.begin(); lit != localGenerators.end(); ++ lit )
-    {
-    const cmTargets* targets = &((*lit)->GetMakefile()->GetTargets());
-    cmTargets::const_iterator tit;
-    for ( tit = targets->begin(); tit != targets->end(); ++ tit )
-      {
-      const char* realTargetName = tit->first.c_str();
-      if ( ignoreTargetsSet.find(realTargetName) != ignoreTargetsSet.end() )
-        {
-        // Skip ignored targets
-        continue;
-        }
-      //std::cout << "Found target: " << tit->first.c_str() << std::endl;
-      cmOStringStream ostr;
-      ostr << graphNodePrefix << cnt++;
-      targetNamesNodes[realTargetName] = ostr.str();
-      targetPtrs[realTargetName] = &tit->second;
-      }
-    }
-  // Ok, now find all the stuff we link to that is not in cmake
-  for ( lit = localGenerators.begin(); lit != localGenerators.end(); ++ lit )
-    {
-    const cmTargets* targets = &((*lit)->GetMakefile()->GetTargets());
-    cmTargets::const_iterator tit;
-    for ( tit = targets->begin(); tit != targets->end(); ++ tit )
-      {
-      const cmTarget::LinkLibraryVectorType* ll
-        = &(tit->second.GetOriginalLinkLibraries());
-      cmTarget::LinkLibraryVectorType::const_iterator llit;
-      const char* realTargetName = tit->first.c_str();
-      if ( ignoreTargetsSet.find(realTargetName) != ignoreTargetsSet.end() )
-        {
-        // Skip ignored targets
-        continue;
-        }
-      if ( ll->size() > 0 )
-        {
-        targetDeps[realTargetName] = 1;
-        }
-      for ( llit = ll->begin(); llit != ll->end(); ++ llit )
-        {
-        const char* libName = llit->first.c_str();
-        std::map<cmStdString, cmStdString>::const_iterator tarIt
-          = targetNamesNodes.find(libName);
-        if ( ignoreTargetsSet.find(libName) != ignoreTargetsSet.end() )
-          {
-          // Skip ignored targets
-          continue;
-          }
-        if ( tarIt == targetNamesNodes.end() )
-          {
-          cmOStringStream ostr;
-          ostr << graphNodePrefix << cnt++;
-          targetDeps[libName] = 2;
-          targetNamesNodes[libName] = ostr.str();
-          //str << "    \"" << ostr.c_str() << "\" [ label=\"" << libName
-          //<<  "\" shape=\"ellipse\"];" << std::endl;
-          }
-        else
-          {
-          std::map<cmStdString, int>::const_iterator depIt
-            = targetDeps.find(libName);
-          if ( depIt == targetDeps.end() )
-            {
-            targetDeps[libName] = 1;
-            }
-          }
-        }
-      }
-    }
+#ifdef CMAKE_BUILD_WITH_CMAKE
+  std::auto_ptr<cmGraphVizWriter> gvWriter(
+       new cmGraphVizWriter(this->GetGlobalGenerator()->GetLocalGenerators()));
 
-  // Write out nodes
-  std::map<cmStdString, int>::const_iterator depIt;
-  for ( depIt = targetDeps.begin(); depIt != targetDeps.end(); ++ depIt )
-    {
-    const char* newTargetName = depIt->first.c_str();
-    std::map<cmStdString, cmStdString>::const_iterator tarIt
-      = targetNamesNodes.find(newTargetName);
-    if ( tarIt == targetNamesNodes.end() )
-      {
-      // We should not be here.
-      std::cout << __LINE__ << " Cannot find library: " << newTargetName
-        << " even though it was added in the previous pass" << std::endl;
-      abort();
-      }
+  std::string settingsFile = this->GetHomeOutputDirectory();
+  settingsFile += "/CMakeGraphVizOptions.cmake";
+  std::string fallbackSettingsFile = this->GetHomeDirectory();
+  fallbackSettingsFile += "/CMakeGraphVizOptions.cmake";
 
-    str << "    \"" << tarIt->second.c_str() << "\" [ label=\""
-      << newTargetName <<  "\" shape=\"";
-    if ( depIt->second == 1 )
-      {
-      std::map<cmStdString, const cmTarget*>::const_iterator tarTypeIt = 
-                                                targetPtrs.find(newTargetName);
-      if ( tarTypeIt == targetPtrs.end() )
-        {
-        // We should not be here.
-        std::cout << __LINE__ << " Cannot find library: " << newTargetName
-          << " even though it was added in the previous pass" << std::endl;
-        abort();
-        }
-      const cmTarget* tg = tarTypeIt->second;
-      switch ( tg->GetType() )
-        {
-      case cmTarget::EXECUTABLE:
-        str << "house";
-        break;
-      case cmTarget::STATIC_LIBRARY:
-        str << "diamond";
-        break;
-      case cmTarget::SHARED_LIBRARY:
-        str << "polygon";
-        break;
-      case cmTarget::MODULE_LIBRARY:
-        str << "octagon";
-        break;
-      default:
-        str << "box";
-        }
-      }
-    else
-      {
-      str << "ellipse";
-      }
-    str << "\"];" << std::endl;
-    }
+  gvWriter->ReadSettings(settingsFile.c_str(), fallbackSettingsFile.c_str());
 
-  // Now generate the connectivity
-  for ( lit = localGenerators.begin(); lit != localGenerators.end(); ++ lit )
-    {
-    const cmTargets* targets = &((*lit)->GetMakefile()->GetTargets());
-    cmTargets::const_iterator tit;
-    for ( tit = targets->begin(); tit != targets->end(); ++ tit )
-      {
-      std::map<cmStdString, int>::iterator dependIt
-        = targetDeps.find(tit->first.c_str());
-      if ( dependIt == targetDeps.end() )
-        {
-        continue;
-        }
-      std::map<cmStdString, cmStdString>::iterator cmakeTarIt
-        = targetNamesNodes.find(tit->first.c_str());
-      const cmTarget::LinkLibraryVectorType* ll
-        = &(tit->second.GetOriginalLinkLibraries());
-      cmTarget::LinkLibraryVectorType::const_iterator llit;
-      for ( llit = ll->begin(); llit != ll->end(); ++ llit )
-        {
-        const char* libName = llit->first.c_str();
-        std::map<cmStdString, cmStdString>::const_iterator tarIt
-          = targetNamesNodes.find(libName);
-        if ( tarIt == targetNamesNodes.end() )
-          {
-          // We should not be here.
-          std::cout << __LINE__ << " Cannot find library: " << libName
-            << " even though it was added in the previous pass" << std::endl;
-          abort();
-          }
-        str << "    \"" << cmakeTarIt->second.c_str() << "\" -> \""
-          << tarIt->second.c_str() << "\"" << std::endl;
-        }
-      }
-    }
+  gvWriter->WritePerTargetFiles(fileName);
+  gvWriter->WriteGlobalFile(fileName);
 
-  // TODO: Use dotted or something for external libraries
-  //str << "    \"node0\":f4 -> \"node12\"[color=\"#0000ff\" style=dotted]"
-  //<< std::endl;
-  //
-  str << "}" << std::endl;
+#endif
 }
 
+
 //----------------------------------------------------------------------------
 int cmake::SymlinkLibrary(std::vector<std::string>& args)
 {
@@ -3336,7 +3111,7 @@ int cmake::ExecuteLinkScript(std::vector<std::string>& args)
 void cmake::DefineProperties(cmake *cm)
 {
   cm->DefineProperty
-    ("REPORT_UNDEFINED_PROPERTIES", cmProperty::GLOBAL, 
+    ("REPORT_UNDEFINED_PROPERTIES", cmProperty::GLOBAL,
      "If set, report any undefined properties to this file.",
      "If this property is set to a filename then when CMake runs "
      "it will report any properties or variables that were accessed "
@@ -3344,7 +3119,7 @@ void cmake::DefineProperties(cmake *cm)
      );
 
   cm->DefineProperty
-    ("TARGET_SUPPORTS_SHARED_LIBS", cmProperty::GLOBAL, 
+    ("TARGET_SUPPORTS_SHARED_LIBS", cmProperty::GLOBAL,
      "Does the target platform support shared libraries.",
      "TARGET_SUPPORTS_SHARED_LIBS is a boolean specifying whether the target "
      "platform supports shared libraries. Basically all current general "
@@ -3381,7 +3156,7 @@ void cmake::DefineProperties(cmake *cm)
      "this list.This property is used by the macros in FeatureSummary.cmake.");
   cm->DefineProperty
     ("DISABLED_FEATURES", cmProperty::GLOBAL,
-     "List of features which are disabled during the CMake run.", 
+     "List of features which are disabled during the CMake run.",
      "List of features which are disabled during the CMake run. Be default "
      "it contains the names of all packages which were not found. This is "
      "determined using the <NAME>_FOUND variables. Packages which are "
@@ -3531,13 +3306,13 @@ void cmake::DefineProperty(const char *name, cmProperty::ScopeType scope,
                            bool chained, const char *docSection)
 {
   this->PropertyDefinitions[scope].DefineProperty(name,scope,ShortDescription,
-                                                  FullDescription, 
+                                                  FullDescription,
                                                   docSection,
                                                   chained);
 }
 
 cmPropertyDefinition *cmake
-::GetPropertyDefinition(const char *name, 
+::GetPropertyDefinition(const char *name,
                         cmProperty::ScopeType scope)
 {
   if (this->IsPropertyDefined(name,scope))
@@ -3547,7 +3322,7 @@ cmPropertyDefinition *cmake
   return 0;
 }
 
-void cmake::RecordPropertyAccess(const char *name, 
+void cmake::RecordPropertyAccess(const char *name,
                                  cmProperty::ScopeType scope)
 {
   this->AccessedProperties.insert
@@ -3619,13 +3394,13 @@ void cmake::ReportUndefinedPropertyAccesses(const char *filename)
     {
     if (!this->IsPropertyDefined(ap->first.c_str(),ap->second) &&
         aliasedProperties.find(std::pair<cmStdString,cmProperty::ScopeType>
-                               (ap->first,ap->second)) == 
+                               (ap->first,ap->second)) ==
         aliasedProperties.end())
       {
       const char *scopeStr = "";
       switch (ap->second)
         {
-        case cmProperty::TARGET: 
+        case cmProperty::TARGET:
           scopeStr = "TARGET";
           break;
         case cmProperty::SOURCE_FILE:
@@ -3727,7 +3502,7 @@ const char *cmake::GetProperty(const char* prop, cmProperty::ScopeType scope)
     }
   else if ( propname == "COMMANDS" )
     {
-    cmake::RegisteredCommandsMap::iterator cmds 
+    cmake::RegisteredCommandsMap::iterator cmds
         = this->GetCommands()->begin();
     for (unsigned int cc=0 ; cmds != this->GetCommands()->end(); ++ cmds )
       {
@@ -3835,14 +3610,14 @@ int cmake::GetSystemInformation(std::vector<std::string>& args)
 
   // we have to find the module directory, so we can copy the files
   this->AddCMakePaths();
-  std::string modulesPath = 
+  std::string modulesPath =
     this->CacheManager->GetCacheValue("CMAKE_ROOT");
   modulesPath += "/Modules";
   std::string inFile = modulesPath;
   inFile += "/SystemInformation.cmake";
   std::string outFile = destPath;
   outFile += "/CMakeLists.txt";
-  
+
   // Copy file
   if(!cmSystemTools::cmCopyFile(inFile.c_str(), outFile.c_str()))
     {
@@ -3850,7 +3625,7 @@ int cmake::GetSystemInformation(std::vector<std::string>& args)
               << "\" to \"" << outFile.c_str() << "\".\n";
     return 1;
     }
-  
+
   // do we write to a file or to stdout?
   if (resultFile.size() == 0)
     {
@@ -3876,7 +3651,7 @@ int cmake::GetSystemInformation(std::vector<std::string>& args)
 
   // change back to the original directory
   cmSystemTools::ChangeDirectory(cwd.c_str());
-  
+
   // echo results to stdout if needed
   if (writeToStdout)
     {
@@ -3897,7 +3672,7 @@ int cmake::GetSystemInformation(std::vector<std::string>& args)
       fclose(fin);
       }
     }
-  
+
   // clean up the directory
   cmSystemTools::RemoveADirectory(destPath.c_str());
   return 0;
@@ -4016,7 +3791,7 @@ int cmake::VisualStudioLink(std::vector<std::string>& args, int type)
   for(std::vector<std::string>::iterator i = args.begin();
       i != args.end(); ++i)
     {
-    // check for nmake temporary files 
+    // check for nmake temporary files
     if((*i)[0] == '@' && i->find("@CMakeFiles") != 0 )
       {
       std::ifstream fin(i->substr(1).c_str());
@@ -4069,7 +3844,7 @@ int cmake::VisualStudioLink(std::vector<std::string>& args, int type)
                                                type, hasManifest, verbose);
 }
 
-int cmake::ParseVisualStudioLinkCommand(std::vector<std::string>& args, 
+int cmake::ParseVisualStudioLinkCommand(std::vector<std::string>& args,
                                         std::vector<cmStdString>& command,
                                         std::string& targetName)
 {
@@ -4120,7 +3895,7 @@ bool cmake::RunCommand(const char* comment,
                                   &retCode, 0, false);
   // always print the output of the command, unless
   // it is the dumb rc command banner, but if the command
-  // returned an error code then print the output anyway as 
+  // returned an error code then print the output anyway as
   // the banner may be mixed with some other important information.
   if(output.find("Resource Compiler Version") == output.npos
      || retCode !=0)
@@ -4141,12 +3916,12 @@ bool cmake::RunCommand(const char* comment,
   return retCode == 0;
 }
 
-int cmake::VisualStudioLinkIncremental(std::vector<std::string>& args, 
+int cmake::VisualStudioLinkIncremental(std::vector<std::string>& args,
                                        int type, bool verbose)
 {
   // This follows the steps listed here:
   // http://blogs.msdn.com/zakramer/archive/2006/05/22/603558.aspx
-  
+
   //    1.  Compiler compiles the application and generates the *.obj files.
   //    2.  An empty manifest file is generated if this is a clean build and if
   //    not the previous one is reused.
@@ -4158,10 +3933,10 @@ int cmake::VisualStudioLinkIncremental(std::vector<std::string>& args,
   //    on.
   //    5.  The manifest tool (mt.exe) is then used to generate the final
   //    manifest.
-  
+
   // If the final manifest is changed, then 6 and 7 are run, if not
   // they are skipped, and it is done.
-  
+
   //    6.  The resource compiler is invoked one more time.
   //    7.  Finally, the Linker does another incremental link, but since the
   //    only thing that has changed is the *.res file that contains the
@@ -4220,7 +3995,7 @@ int cmake::VisualStudioLinkIncremental(std::vector<std::string>& args,
   outputOpt += resourceFile;
   rcCommand.push_back(outputOpt);
   rcCommand.push_back(resourceInputFile);
-  // Run rc command to create resource 
+  // Run rc command to create resource
   if(!cmake::RunCommand("RC Pass 1", rcCommand, verbose))
     {
     return -1;
@@ -4230,7 +4005,7 @@ int cmake::VisualStudioLinkIncremental(std::vector<std::string>& args,
     {
     return -1;
     }
-  // create mt command 
+  // create mt command
   std::string outArg("/out:");
   outArg+= manifestFile;
   mtCommand.push_back("/nologo");
@@ -4281,7 +4056,7 @@ int cmake::VisualStudioLinkNonIncremental(std::vector<std::string>& args,
     {
     return -1;
     }
-  // Run the link command as given 
+  // Run the link command as given
   linkCommand.push_back("/MANIFEST");
   if(!cmake::RunCommand("LINK", linkCommand, verbose))
     {
@@ -4472,7 +4247,7 @@ int cmake::Build(const std::string& dir,
   makeProgram = it.GetValue();
   return gen->Build(0, dir.c_str(),
                     projName.c_str(), target.c_str(),
-                    &output, 
+                    &output,
                     makeProgram.c_str(),
                     config.c_str(), clean, false, 0, true,
                     0, nativeOptions);
diff --git a/Source/cmake.h b/Source/cmake.h
index 8312795..435d38b 100644
--- a/Source/cmake.h
+++ b/Source/cmake.h
@@ -21,14 +21,14 @@
 //    command line arguments.
 // 3) Load the cache by calling LoadCache (duh)
 // 4) if you are using command line arguments with -D or -C flags then
-//    call SetCacheArgs (or if for some other reason you want to modify the 
+//    call SetCacheArgs (or if for some other reason you want to modify the
 //    cache, do it now.
 // 5) Finally call Configure
 // 6) Let the user change values and go back to step 5
 // 7) call Generate
 //
 // If your GUI allows the user to change the start & home directories then
-// you must at a minimum redo steps 2 through 7. 
+// you must at a minimum redo steps 2 through 7.
 //
 
 
@@ -50,6 +50,8 @@ class cmExternalMakefileProjectGenerator;
 class cmDocumentationSection;
 class cmPolicies;
 class cmListFileBacktrace;
+class cmTarget;
+class cmGeneratedFileStream;
 
 class cmake
 {
@@ -73,14 +75,14 @@ class cmake
   static const char *GetCMakeFilesDirectory() {return "/CMakeFiles";};
   static const char *GetCMakeFilesDirectoryPostSlash() {
     return "CMakeFiles/";};
-  
+
   //@{
   /**
    * Set/Get the home directory (or output directory) in the project. The
    * home directory is the top directory of the project. It is where
    * cmake was run. Remember that CMake processes
    * CMakeLists files by recursing up the tree starting at the StartDirectory
-   * and going up until it reaches the HomeDirectory.  
+   * and going up until it reaches the HomeDirectory.
    */
   void SetHomeDirectory(const char* dir);
   const char* GetHomeDirectory() const
@@ -100,9 +102,9 @@ class cmake
    * is the directory of the CMakeLists.txt file that started the current
    * round of processing. Remember that CMake processes CMakeLists files by
    * recursing up the tree starting at the StartDirectory and going up until
-   * it reaches the HomeDirectory.  
+   * it reaches the HomeDirectory.
    */
-  void SetStartDirectory(const char* dir) 
+  void SetStartDirectory(const char* dir)
     {
       this->cmStartDirectory = dir;
       cmSystemTools::ConvertToUnixSlashes(this->cmStartDirectory);
@@ -158,7 +160,7 @@ class cmake
   ///! Return the global generator assigned to this instance of cmake
   cmGlobalGenerator* GetGlobalGenerator()     { return this->GlobalGenerator; }
   ///! Return the global generator assigned to this instance of cmake, const
-  const cmGlobalGenerator* GetGlobalGenerator() const 
+  const cmGlobalGenerator* GetGlobalGenerator() const
                                               { return this->GlobalGenerator; }
 
   ///! Return the global generator assigned to this instance of cmake
@@ -169,25 +171,25 @@ class cmake
 
   ///! get the cmCachemManager used by this invocation of cmake
   cmCacheManager *GetCacheManager() { return this->CacheManager; }
-  
+
   ///! set the cmake command this instance of cmake should use
   void SetCMakeCommand(const char* cmd) { this->CMakeCommand = cmd; }
-  
+
   /**
    * Given a variable name, return its value (as a string).
    */
   const char* GetCacheDefinition(const char*) const;
   ///! Add an entry into the cache
-  void AddCacheEntry(const char* key, const char* value, 
-                     const char* helpString, 
+  void AddCacheEntry(const char* key, const char* value,
+                     const char* helpString,
                      int type);
-  /** 
+  /**
    * Execute commands during the build process. Supports options such
    * as echo, remove file etc.
    */
   static int ExecuteCMakeCommand(std::vector<std::string>&);
 
-  /** 
+  /**
    * Get the system information and write it to the file specified
    */
   int GetSystemInformation(std::vector<std::string>&);
@@ -210,16 +212,16 @@ class cmake
 
   /** Check if a command exists. */
   bool CommandExists(const char* name) const;
-    
+
   ///! Parse command line arguments
   void SetArgs(const std::vector<std::string>&);
 
   ///! Is this cmake running as a result of a TRY_COMPILE command
   bool GetIsInTryCompile() { return this->InTryCompile; }
-  
+
   ///! Is this cmake running as a result of a TRY_COMPILE command
   void SetIsInTryCompile(bool i) { this->InTryCompile = i; }
-  
+
   ///! Parse command line arguments that might set cache values
   bool SetCacheArgs(const std::vector<std::string>&);
 
@@ -227,9 +229,9 @@ class cmake
     (const char*msg, float progress, void *);
   /**
    *  Set the function used by GUI's to receive progress updates
-   *  Function gets passed: message as a const char*, a progress 
+   *  Function gets passed: message as a const char*, a progress
    *  amount ranging from 0 to 1.0 and client data. The progress
-   *  number provided may be negative in cases where a message is 
+   *  number provided may be negative in cases where a message is
    *  to be displayed without any progress percentage.
    */
   void SetProgressCallback(ProgressCallbackType f, void* clientData=0);
@@ -244,14 +246,14 @@ class cmake
   cmVariableWatch* GetVariableWatch() { return this->VariableWatch; }
 
   /** Get the documentation entries for the supported commands.
-   *  If withCurrentCommands is true, the documentation for the 
+   *  If withCurrentCommands is true, the documentation for the
    *  recommended set of commands is included.
    *  If withCompatCommands is true, the documentation for discouraged
    *  (compatibility) commands is included.
    *  You probably don't want to set both to false.
    */
-  void GetCommandDocumentation(std::vector<cmDocumentationEntry>& entries, 
-                               bool withCurrentCommands = true, 
+  void GetCommandDocumentation(std::vector<cmDocumentationEntry>& entries,
+                               bool withCurrentCommands = true,
                                bool withCompatCommands = true) const;
   void GetPropertiesDocumentation(std::map<std::string,
                                   cmDocumentationSection *>&);
@@ -278,7 +280,7 @@ class cmake
    */
   void SetScriptMode(bool mode) { this->ScriptMode = mode; }
   bool GetScriptMode() { return this->ScriptMode; }
-  
+
   ///! Debug the try compile stuff by not delelting the files
   bool GetDebugTryCompile(){return this->DebugTryCompile;}
   void DebugTryCompileOn(){this->DebugTryCompile = true;}
@@ -310,7 +312,7 @@ class cmake
   void DefineProperty(const char *name, cmProperty::ScopeType scope,
                       const char *ShortDescription,
                       const char *FullDescription,
-                      bool chain = false, 
+                      bool chain = false,
                       const char *variableGroup = 0);
 
   // get property definition
@@ -338,7 +340,7 @@ class cmake
     }
   void SetSuppressDevWarnings(bool v)
     {
-      this->SuppressDevWarnings = v; 
+      this->SuppressDevWarnings = v;
       this->DoSuppressDevWarnings = true;
     }
 
@@ -357,10 +359,10 @@ protected:
   cmPropertyMap Properties;
   std::set<std::pair<cmStdString,cmProperty::ScopeType> > AccessedProperties;
 
-  std::map<cmProperty::ScopeType, cmPropertyDefinitionMap> 
+  std::map<cmProperty::ScopeType, cmPropertyDefinitionMap>
   PropertyDefinitions;
 
-  typedef 
+  typedef
      cmExternalMakefileProjectGenerator* (*CreateExtraGeneratorFunctionType)();
   typedef std::map<cmStdString,
                 CreateExtraGeneratorFunctionType> RegisteredExtraGeneratorsMap;
@@ -374,15 +376,15 @@ protected:
   void AddDefaultCommands();
   void AddDefaultGenerators();
   void AddDefaultExtraGenerators();
-  void AddExtraGenerator(const char* name, 
+  void AddExtraGenerator(const char* name,
                          CreateExtraGeneratorFunctionType newFunction);
 
-  cmPolicies *Policies;                       
+  cmPolicies *Policies;
   cmGlobalGenerator *GlobalGenerator;
   cmCacheManager *CacheManager;
-  std::string cmHomeDirectory; 
+  std::string cmHomeDirectory;
   std::string HomeOutputDirectory;
-  std::string cmStartDirectory; 
+  std::string cmStartDirectory;
   std::string StartOutputDirectory;
   bool SuppressDevWarnings;
   bool DoSuppressDevWarnings;
@@ -393,7 +395,7 @@ protected:
   ///! Check if CMAKE_CACHEFILE_DIR is set. If it is not, delete the log file.
   ///  If it is set, truncate it to 50kb
   void TruncateOutputLog(const char* fname);
-  
+
   /**
    * Method called to check build system integrity at build time.
    * Returns 1 if CMake should rerun and 0 otherwise.
@@ -416,24 +418,24 @@ protected:
   static int ExecuteLinkScript(std::vector<std::string>& args);
   static int VisualStudioLink(std::vector<std::string>& args, int type);
   static int VisualStudioLinkIncremental(std::vector<std::string>& args,
-                                         int type, 
+                                         int type,
                                          bool verbose);
   static int VisualStudioLinkNonIncremental(std::vector<std::string>& args,
                                             int type,
                                             bool hasManifest,
                                             bool verbose);
-  static int ParseVisualStudioLinkCommand(std::vector<std::string>& args, 
-                                          std::vector<cmStdString>& command, 
+  static int ParseVisualStudioLinkCommand(std::vector<std::string>& args,
+                                          std::vector<cmStdString>& command,
                                           std::string& targetName);
   static bool RunCommand(const char* comment,
                          std::vector<cmStdString>& command,
                          bool verbose,
                          int* retCodeOut = 0);
   cmVariableWatch* VariableWatch;
-  
+
   ///! Find the full path to one of the cmake programs like ctest, cpack, etc.
   std::string FindCMakeProgram(const char* name) const;
-private: 
+private:
   cmake(const cmake&);  // Not implemented.
   void operator=(const cmake&);  // Not implemented.
   ProgressCallbackType ProgressCallback;
@@ -458,7 +460,7 @@ private:
   cmFileTimeComparison* FileComparison;
   std::string GraphVizFile;
   std::vector<std::string> DebugConfigs;
-  
+
   void UpdateConversionPathTable();
 };