Merge topic 'port-global-properties-to-cmState'

5d056c0d Port Global property interaction to cmState.
de722d7d Move property initialization to cmState.
9b5f80a8 Move global properties to cmState.
0076b5d8 cmake: Remove the happy global property scope pattern.
24b7f31d cmake: Remove unused cmCommand methods.
0aec4913 Port cmCommand consumers to cmState.
96f8c5f9 cmState: Move cmCommand-related methods from cmake class.
97e53ebb cmake: Simplify command clean up loop.
1e738bcf cmake: Simplify RemoveUnscriptableCommands algorithm.
62854e99 cmState: Move try_compile state from cmake class.
db8425be cmake: Get enabled languages from cmState.
74de9a73 cmGlobalGenerator: Delegate storage of enabled languages to cmState.
b159bff7 Move property definition to cmState.

32 files changed, 439 insertions, 415 deletions

diff --git a/Source/CPack/cpack.cxx b/Source/CPack/cpack.cxx
index 00b23cd..a9cabf1 100644
--- a/Source/CPack/cpack.cxx
+++ b/Source/CPack/cpack.cxx
@@ -198,7 +198,7 @@ int main (int argc, char const* const* argv)
     "Read CPack config file: " << cpackConfigFile << std::endl);
 
   cmake cminst;
-  cminst.RemoveUnscriptableCommands();
+  cminst.GetState()->RemoveUnscriptableCommands();
   cmGlobalGenerator cmgg;
   cmgg.SetCMakeInstance(&cminst);
   cmsys::auto_ptr<cmLocalGenerator> cmlg(cmgg.CreateLocalGenerator());
diff --git a/Source/CTest/cmCTestScriptHandler.cxx b/Source/CTest/cmCTestScriptHandler.cxx
index 3792953..783941b 100644
--- a/Source/CTest/cmCTestScriptHandler.cxx
+++ b/Source/CTest/cmCTestScriptHandler.cxx
@@ -214,7 +214,7 @@ void cmCTestScriptHandler::AddCTestCommand(cmCTestCommand* command)
   cmCTestCommand* newCom = command;
   newCom->CTest = this->CTest;
   newCom->CTestScriptHandler = this;
-  this->CMake->AddCommand(newCom);
+  this->CMake->GetState()->AddCommand(newCom);
 }
 
 int cmCTestScriptHandler::ExecuteScript(const std::string& total_script_arg)
@@ -353,7 +353,7 @@ void cmCTestScriptHandler::CreateCMake()
 
   // remove all cmake commands which are not scriptable, since they can't be
   // used in ctest scripts
-  this->CMake->RemoveUnscriptableCommands();
+  this->CMake->GetState()->RemoveUnscriptableCommands();
 
   // add any ctest specific commands, probably should have common superclass
   // for ctest commands to clean this up. If a couple more commands are
diff --git a/Source/CTest/cmCTestSubmitHandler.cxx b/Source/CTest/cmCTestSubmitHandler.cxx
index d585863..1e12f15 100644
--- a/Source/CTest/cmCTestSubmitHandler.cxx
+++ b/Source/CTest/cmCTestSubmitHandler.cxx
@@ -17,6 +17,7 @@
 #include "cmGeneratedFileStream.h"
 #include "cmCTest.h"
 #include "cmXMLParser.h"
+#include "cmState.h"
 
 #include <cmsys/Process.h>
 #include <cmsys/Base64.h>
@@ -1132,7 +1133,7 @@ int cmCTestSubmitHandler::HandleCDashUploadFile(std::string const& file,
   cmCTestScriptHandler* ch =
     static_cast<cmCTestScriptHandler*>(this->CTest->GetHandler("script"));
   cmake* cm =  ch->GetCMake();
-  const char* subproject = cm->GetProperty("SubProject", cmProperty::GLOBAL);
+  const char* subproject = cm->GetState()->GetGlobalProperty("SubProject");
   // TODO: Encode values for a URL instead of trusting caller.
   std::ostringstream str;
   str << "project="
diff --git a/Source/CTest/cmCTestTestHandler.cxx b/Source/CTest/cmCTestTestHandler.cxx
index 0e84fbf..c50ea88 100644
--- a/Source/CTest/cmCTestTestHandler.cxx
+++ b/Source/CTest/cmCTestTestHandler.cxx
@@ -1585,25 +1585,25 @@ void cmCTestTestHandler::GetListOfTests()
   // Add handler for ADD_TEST
   cmCTestAddTestCommand* newCom1 = new cmCTestAddTestCommand;
   newCom1->TestHandler = this;
-  cm.AddCommand(newCom1);
+  cm.GetState()->AddCommand(newCom1);
 
   // Add handler for SUBDIRS
   cmCTestSubdirCommand* newCom2 =
     new cmCTestSubdirCommand;
   newCom2->TestHandler = this;
-  cm.AddCommand(newCom2);
+  cm.GetState()->AddCommand(newCom2);
 
   // Add handler for ADD_SUBDIRECTORY
   cmCTestAddSubdirectoryCommand* newCom3 =
     new cmCTestAddSubdirectoryCommand;
   newCom3->TestHandler = this;
-  cm.AddCommand(newCom3);
+  cm.GetState()->AddCommand(newCom3);
 
   // Add handler for SET_SOURCE_FILES_PROPERTIES
   cmCTestSetTestsPropertiesCommand* newCom4
     = new cmCTestSetTestsPropertiesCommand;
   newCom4->TestHandler = this;
-  cm.AddCommand(newCom4);
+  cm.GetState()->AddCommand(newCom4);
 
   const char* testFilename;
   if( cmSystemTools::FileExists("CTestTestfile.cmake") )
diff --git a/Source/cmAddLibraryCommand.cxx b/Source/cmAddLibraryCommand.cxx
index edf82bd..74e1a93 100644
--- a/Source/cmAddLibraryCommand.cxx
+++ b/Source/cmAddLibraryCommand.cxx
@@ -12,6 +12,7 @@
 #include "cmAddLibraryCommand.h"
 
 #include "cmake.h"
+#include "cmState.h"
 
 // cmLibraryCommand
 bool cmAddLibraryCommand
@@ -330,7 +331,7 @@ bool cmAddLibraryCommand
     yet its linker language. */
   if ((type == cmTarget::SHARED_LIBRARY ||
        type == cmTarget::MODULE_LIBRARY) &&
-       (this->Makefile->GetCMakeInstance()->GetPropertyAsBool(
+       (this->Makefile->GetState()->GetGlobalPropertyAsBool(
                                       "TARGET_SUPPORTS_SHARED_LIBS") == false))
     {
     std::ostringstream w;
diff --git a/Source/cmCPluginAPI.cxx b/Source/cmCPluginAPI.cxx
index 5ae7d4c..77cd6c6 100644
--- a/Source/cmCPluginAPI.cxx
+++ b/Source/cmCPluginAPI.cxx
@@ -164,7 +164,7 @@ int CCONV cmIsOn(void *arg, const char* name)
 int CCONV cmCommandExists(void *arg, const char* name)
 {
   cmMakefile *mf = static_cast<cmMakefile *>(arg);
-  return static_cast<int>(mf->CommandExists(name));
+  return static_cast<int>(mf->GetState()->GetCommand(name) ? 1 : 0);
 }
 
 void CCONV cmAddDefineFlag(void *arg, const char* definition)
@@ -867,7 +867,7 @@ void CCONV DefineSourceFileProperty (void *arg, const char *name,
   int chained)
 {
   cmMakefile *mf = static_cast<cmMakefile *>(arg);
-  mf->GetCMakeInstance()->DefineProperty(name,cmProperty::SOURCE_FILE,
+  mf->GetState()->DefineProperty(name,cmProperty::SOURCE_FILE,
                                          briefDocs, longDocs,
                                          chained != 0);
 }
diff --git a/Source/cmCTest.cxx b/Source/cmCTest.cxx
index 6715638..cd2cd7c 100644
--- a/Source/cmCTest.cxx
+++ b/Source/cmCTest.cxx
@@ -27,6 +27,7 @@
 #include "cmCTestCommand.h"
 #include "cmCTestStartCommand.h"
 #include "cmAlgorithms.h"
+#include "cmState.h"
 
 #include "cmCTestBuildHandler.h"
 #include "cmCTestBuildAndTestHandler.h"
@@ -1558,12 +1559,14 @@ void cmCTest::AddSiteProperties(std::ostream& ostr)
     return;
     }
   // This code should go when cdash is changed to use labels only
-  const char* subproject = cm->GetProperty("SubProject", cmProperty::GLOBAL);
+  const char* subproject = cm->GetState()
+                             ->GetGlobalProperty("SubProject");
   if(subproject)
     {
     ostr << "<Subproject name=\"" << subproject << "\">\n";
     const char* labels =
-      ch->GetCMake()->GetProperty("SubProjectLabels", cmProperty::GLOBAL);
+      ch->GetCMake()->GetState()
+                    ->GetGlobalProperty("SubProjectLabels");
     if(labels)
       {
       ostr << "  <Labels>\n";
@@ -1581,7 +1584,7 @@ void cmCTest::AddSiteProperties(std::ostream& ostr)
     }
 
   // This code should stay when cdash only does label based sub-projects
-  const char* label = cm->GetProperty("Label", cmProperty::GLOBAL);
+  const char* label = cm->GetState()->GetGlobalProperty("Label");
   if(label)
     {
     ostr << "<Labels>\n";
diff --git a/Source/cmComputeLinkInformation.cxx b/Source/cmComputeLinkInformation.cxx
index 8880667..83d38ef 100644
--- a/Source/cmComputeLinkInformation.cxx
+++ b/Source/cmComputeLinkInformation.cxx
@@ -15,6 +15,7 @@
 #include "cmOrderDirectories.h"
 
 #include "cmGlobalGenerator.h"
+#include "cmState.h"
 #include "cmLocalGenerator.h"
 #include "cmMakefile.h"
 #include "cmTarget.h"
@@ -250,8 +251,8 @@ cmComputeLinkInformation
   this->CMakeInstance = this->GlobalGenerator->GetCMakeInstance();
 
   // Check whether to recognize OpenBSD-style library versioned names.
-  this->OpenBSD = this->Makefile->GetCMakeInstance()
-    ->GetPropertyAsBool("FIND_LIBRARY_USE_OPENBSD_VERSIONING");
+  this->OpenBSD = this->Makefile->GetState()
+            ->GetGlobalPropertyAsBool("FIND_LIBRARY_USE_OPENBSD_VERSIONING");
 
   // The configuration being linked.
   this->Config = config;
@@ -796,9 +797,8 @@ void cmComputeLinkInformation::AddSharedDepItem(std::string const& item,
 void cmComputeLinkInformation::ComputeLinkTypeInfo()
 {
   // Check whether archives may actually be shared libraries.
-  this->ArchivesMayBeShared =
-    this->CMakeInstance->GetPropertyAsBool(
-      "TARGET_ARCHIVES_MAY_BE_SHARED_LIBS");
+  this->ArchivesMayBeShared = this->CMakeInstance->GetState()
+              ->GetGlobalPropertyAsBool("TARGET_ARCHIVES_MAY_BE_SHARED_LIBS");
 
   // First assume we cannot do link type stuff.
   this->LinkTypeEnabled = false;
@@ -1527,9 +1527,10 @@ void cmComputeLinkInformation::HandleBadFullItem(std::string const& item,
       // Print the warning at most once for this item.
       std::string wid = "CMP0008-WARNING-GIVEN-";
       wid += item;
-      if(!this->CMakeInstance->GetPropertyAsBool(wid))
+      if(!this->CMakeInstance->GetState()
+              ->GetGlobalPropertyAsBool(wid))
         {
-        this->CMakeInstance->SetProperty(wid, "1");
+        this->CMakeInstance->GetState()->SetGlobalProperty(wid, "1");
         std::ostringstream w;
         w << (this->Makefile->GetPolicies()
               ->GetPolicyWarning(cmPolicies::CMP0008)) << "\n"
@@ -1576,9 +1577,11 @@ bool cmComputeLinkInformation::FinishLinkerSearchDirectories()
   switch(this->Target->GetPolicyStatusCMP0003())
     {
     case cmPolicies::WARN:
-      if(!this->CMakeInstance->GetPropertyAsBool("CMP0003-WARNING-GIVEN"))
+      if(!this->CMakeInstance->GetState()
+              ->GetGlobalPropertyAsBool("CMP0003-WARNING-GIVEN"))
         {
-        this->CMakeInstance->SetProperty("CMP0003-WARNING-GIVEN", "1");
+        this->CMakeInstance->GetState()
+            ->SetGlobalProperty("CMP0003-WARNING-GIVEN", "1");
         std::ostringstream w;
         this->PrintLinkPolicyDiagnosis(w);
         this->CMakeInstance->IssueMessage(cmake::AUTHOR_WARNING, w.str(),
diff --git a/Source/cmComputeTargetDepends.cxx b/Source/cmComputeTargetDepends.cxx
index bbffd5d..11056cd 100644
--- a/Source/cmComputeTargetDepends.cxx
+++ b/Source/cmComputeTargetDepends.cxx
@@ -15,6 +15,7 @@
 #include "cmGlobalGenerator.h"
 #include "cmLocalGenerator.h"
 #include "cmMakefile.h"
+#include "cmState.h"
 #include "cmSystemTools.h"
 #include "cmSourceFile.h"
 #include "cmTarget.h"
@@ -98,8 +99,10 @@ cmComputeTargetDepends::cmComputeTargetDepends(cmGlobalGenerator* gg)
 {
   this->GlobalGenerator = gg;
   cmake* cm = this->GlobalGenerator->GetCMakeInstance();
-  this->DebugMode = cm->GetPropertyAsBool("GLOBAL_DEPENDS_DEBUG_MODE");
-  this->NoCycles = cm->GetPropertyAsBool("GLOBAL_DEPENDS_NO_CYCLES");
+  this->DebugMode = cm->GetState()
+                      ->GetGlobalPropertyAsBool("GLOBAL_DEPENDS_DEBUG_MODE");
+  this->NoCycles = cm->GetState()
+                      ->GetGlobalPropertyAsBool("GLOBAL_DEPENDS_NO_CYCLES");
 }
 
 //----------------------------------------------------------------------------
diff --git a/Source/cmConditionEvaluator.cxx b/Source/cmConditionEvaluator.cxx
index eb4f3a1..0a71c60 100644
--- a/Source/cmConditionEvaluator.cxx
+++ b/Source/cmConditionEvaluator.cxx
@@ -481,8 +481,10 @@ bool cmConditionEvaluator::HandleLevel1(cmArgumentList &newArgs,
       // does a command exist
       if (this->IsKeyword("COMMAND", *arg) && argP1  != newArgs.end())
         {
+        cmCommand* command =
+            this->Makefile.GetState()->GetCommand(argP1->c_str());
         this->HandlePredicate(
-          this->Makefile.CommandExists(argP1->c_str()),
+          command ? true : false,
           reducible, arg, newArgs, argP1, argP2);
         }
       // does a policy exist
diff --git a/Source/cmDefinePropertyCommand.cxx b/Source/cmDefinePropertyCommand.cxx
index 5ff0186..0efc7fc 100644
--- a/Source/cmDefinePropertyCommand.cxx
+++ b/Source/cmDefinePropertyCommand.cxx
@@ -11,6 +11,7 @@
 ============================================================================*/
 #include "cmDefinePropertyCommand.h"
 #include "cmake.h"
+#include "cmState.h"
 
 bool cmDefinePropertyCommand
 ::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &)
@@ -127,7 +128,7 @@ bool cmDefinePropertyCommand
     }
 
   // Actually define the property.
-  this->Makefile->GetCMakeInstance()->DefineProperty
+  this->Makefile->GetState()->DefineProperty
     (this->PropertyName, scope,
      this->BriefDocs.c_str(), this->FullDocs.c_str(), inherited);
 
diff --git a/Source/cmExtraEclipseCDT4Generator.cxx b/Source/cmExtraEclipseCDT4Generator.cxx
index 35b70e8..2aa4d93 100644
--- a/Source/cmExtraEclipseCDT4Generator.cxx
+++ b/Source/cmExtraEclipseCDT4Generator.cxx
@@ -469,8 +469,8 @@ void cmExtraEclipseCDT4Generator::CreateProjectFile()
     fout << "\t\t<nature>" << *nit << "</nature>\n";
     }
 
-  if (const char *extraNaturesProp = mf->GetCMakeInstance()->
-        GetProperty("ECLIPSE_EXTRA_NATURES", cmProperty::GLOBAL))
+  if (const char *extraNaturesProp = mf->GetState()
+        ->GetGlobalProperty("ECLIPSE_EXTRA_NATURES"))
     {
     std::vector<std::string> extraNatures;
     cmSystemTools::ExpandListArgument(extraNaturesProp, extraNatures);
diff --git a/Source/cmFindLibraryCommand.cxx b/Source/cmFindLibraryCommand.cxx
index ef8340b..507d011 100644
--- a/Source/cmFindLibraryCommand.cxx
+++ b/Source/cmFindLibraryCommand.cxx
@@ -54,8 +54,8 @@ bool cmFindLibraryCommand
       }
     }
 
-  if(this->Makefile->GetCMakeInstance()
-     ->GetPropertyAsBool("FIND_LIBRARY_USE_LIB64_PATHS"))
+  if(this->Makefile->GetState()
+         ->GetGlobalPropertyAsBool("FIND_LIBRARY_USE_LIB64_PATHS"))
     {
     // add special 64 bit paths if this is a 64 bit compile.
     if(this->Makefile->PlatformIs64Bit())
@@ -226,8 +226,8 @@ cmFindLibraryHelper::cmFindLibraryHelper(cmMakefile* mf):
 
   // Check whether to use OpenBSD-style library version comparisons.
   this->OpenBSD =
-    this->Makefile->GetCMakeInstance()
-    ->GetPropertyAsBool("FIND_LIBRARY_USE_OPENBSD_VERSIONING");
+    this->Makefile->GetState()
+        ->GetGlobalPropertyAsBool("FIND_LIBRARY_USE_OPENBSD_VERSIONING");
 }
 
 //----------------------------------------------------------------------------
diff --git a/Source/cmFindPackageCommand.cxx b/Source/cmFindPackageCommand.cxx
index b32f5fd..e1074b0 100644
--- a/Source/cmFindPackageCommand.cxx
+++ b/Source/cmFindPackageCommand.cxx
@@ -120,8 +120,8 @@ bool cmFindPackageCommand
 
   // Lookup whether lib64 paths should be used.
   if(this->Makefile->PlatformIs64Bit() &&
-     this->Makefile->GetCMakeInstance()
-     ->GetPropertyAsBool("FIND_LIBRARY_USE_LIB64_PATHS"))
+     this->Makefile->GetState()
+         ->GetGlobalPropertyAsBool("FIND_LIBRARY_USE_LIB64_PATHS"))
     {
     this->UseLib64Paths = true;
     }
@@ -1015,8 +1015,8 @@ bool cmFindPackageCommand::ReadListFile(const char* f, PolicyScopeRule psr)
 void cmFindPackageCommand::AppendToFoundProperty(bool found)
 {
   std::vector<std::string> foundContents;
-  const char *foundProp =
-             this->Makefile->GetCMakeInstance()->GetProperty("PACKAGES_FOUND");
+  const char *foundProp = this->Makefile->GetState()
+                              ->GetGlobalProperty("PACKAGES_FOUND");
   if (foundProp && *foundProp)
     {
     std::string tmp = foundProp;
@@ -1032,7 +1032,8 @@ void cmFindPackageCommand::AppendToFoundProperty(bool found)
 
   std::vector<std::string> notFoundContents;
   const char *notFoundProp =
-         this->Makefile->GetCMakeInstance()->GetProperty("PACKAGES_NOT_FOUND");
+         this->Makefile->GetState()
+             ->GetGlobalProperty("PACKAGES_NOT_FOUND");
   if (notFoundProp && *notFoundProp)
     {
     std::string tmp = notFoundProp;
@@ -1057,12 +1058,12 @@ void cmFindPackageCommand::AppendToFoundProperty(bool found)
 
 
   std::string tmp = cmJoin(foundContents, ";");
-  this->Makefile->GetCMakeInstance()->SetProperty("PACKAGES_FOUND",
-                                                  tmp.c_str());
+  this->Makefile->GetState()
+      ->SetGlobalProperty("PACKAGES_FOUND", tmp.c_str());
 
   tmp = cmJoin(notFoundContents, ";");
-  this->Makefile->GetCMakeInstance()->SetProperty("PACKAGES_NOT_FOUND",
-                                                  tmp.c_str());
+  this->Makefile->GetState()
+      ->SetGlobalProperty("PACKAGES_NOT_FOUND", tmp.c_str());
 }
 
 //----------------------------------------------------------------------------
@@ -1071,8 +1072,8 @@ void cmFindPackageCommand::AppendSuccessInformation()
   {
   std::string transitivePropName = "_CMAKE_";
   transitivePropName += this->Name + "_TRANSITIVE_DEPENDENCY";
-  this->Makefile->GetCMakeInstance()
-                ->SetProperty(transitivePropName, "False");
+  this->Makefile->GetState()
+                ->SetGlobalProperty(transitivePropName, "False");
   }
   std::string found = this->Name;
   found += "_FOUND";
@@ -1090,8 +1091,8 @@ void cmFindPackageCommand::AppendSuccessInformation()
   std::string quietInfoPropName = "_CMAKE_";
   quietInfoPropName += this->Name;
   quietInfoPropName += "_QUIET";
-  this->Makefile->GetCMakeInstance()->SetProperty(quietInfoPropName,
-                                               this->Quiet ? "TRUE" : "FALSE");
+  this->Makefile->GetState()
+      ->SetGlobalProperty(quietInfoPropName, this->Quiet ? "TRUE" : "FALSE");
 
   // set a global property to record the required version of this package
   std::string versionInfoPropName = "_CMAKE_";
@@ -1104,15 +1105,15 @@ void cmFindPackageCommand::AppendSuccessInformation()
     versionInfo += " ";
     versionInfo += this->Version;
     }
-  this->Makefile->GetCMakeInstance()->SetProperty(versionInfoPropName,
-                                                  versionInfo.c_str());
+  this->Makefile->GetState()
+      ->SetGlobalProperty(versionInfoPropName, versionInfo.c_str());
   if (this->Required)
     {
     std::string requiredInfoPropName = "_CMAKE_";
     requiredInfoPropName += this->Name;
     requiredInfoPropName += "_TYPE";
-    this->Makefile->GetCMakeInstance()->SetProperty(
-                                     requiredInfoPropName, "REQUIRED");
+    this->Makefile->GetState()
+        ->SetGlobalProperty(requiredInfoPropName, "REQUIRED");
     }
 
 
diff --git a/Source/cmFunctionCommand.cxx b/Source/cmFunctionCommand.cxx
index 9297688..fdd1018 100644
--- a/Source/cmFunctionCommand.cxx
+++ b/Source/cmFunctionCommand.cxx
@@ -193,9 +193,8 @@ IsFunctionBlocked(const cmListFileFunction& lff, cmMakefile &mf,
         }
 
       std::string newName = "_" + this->Args[0];
-      mf.GetCMakeInstance()->RenameCommand(this->Args[0],
-                                           newName);
-      mf.AddCommand(f);
+      mf.GetState()->RenameCommand(this->Args[0], newName);
+      mf.GetState()->AddCommand(f);
 
       // remove the function blocker now that the function is defined
       mf.RemoveFunctionBlocker(this, lff);
diff --git a/Source/cmGetCMakePropertyCommand.cxx b/Source/cmGetCMakePropertyCommand.cxx
index 85aa31f..b035750 100644
--- a/Source/cmGetCMakePropertyCommand.cxx
+++ b/Source/cmGetCMakePropertyCommand.cxx
@@ -14,6 +14,7 @@
 #include "cmGlobalGenerator.h"
 #include "cmLocalGenerator.h"
 #include "cmake.h"
+#include "cmState.h"
 #include "cmAlgorithms.h"
 
 // cmGetCMakePropertyCommand
@@ -53,7 +54,8 @@ bool cmGetCMakePropertyCommand
   else
     {
     const char *prop =
-      this->Makefile->GetCMakeInstance()->GetProperty(args[1]);
+      this->Makefile->GetState()
+          ->GetGlobalProperty(args[1]);
     if (prop)
       {
       output = prop;
diff --git a/Source/cmGetPropertyCommand.cxx b/Source/cmGetPropertyCommand.cxx
index 80edbcd..3e1d08e 100644
--- a/Source/cmGetPropertyCommand.cxx
+++ b/Source/cmGetPropertyCommand.cxx
@@ -143,7 +143,7 @@ bool cmGetPropertyCommand
     // Lookup brief documentation.
     std::string output;
     if(cmPropertyDefinition* def =
-       this->Makefile->GetCMakeInstance()->
+       this->Makefile->GetState()->
        GetPropertyDefinition(this->PropertyName, scope))
       {
       output = def->GetShortDescription();
@@ -159,7 +159,7 @@ bool cmGetPropertyCommand
     // Lookup full documentation.
     std::string output;
     if(cmPropertyDefinition* def =
-       this->Makefile->GetCMakeInstance()->
+       this->Makefile->GetState()->
        GetPropertyDefinition(this->PropertyName, scope))
       {
       output = def->GetFullDescription();
@@ -173,7 +173,7 @@ bool cmGetPropertyCommand
   else if(this->InfoType == OutDefined)
     {
     // Lookup if the property is defined
-    if(this->Makefile->GetCMakeInstance()->
+    if(this->Makefile->GetState()->
        GetPropertyDefinition(this->PropertyName, scope))
       {
       this->Makefile->AddDefinition(this->Variable, "1");
@@ -237,7 +237,8 @@ bool cmGetPropertyCommand::HandleGlobalMode()
 
   // Get the property.
   cmake* cm = this->Makefile->GetCMakeInstance();
-  return this->StoreResult(cm->GetProperty(this->PropertyName));
+  return this->StoreResult(cm->GetState()
+             ->GetGlobalProperty(this->PropertyName));
 }
 
 //----------------------------------------------------------------------------
diff --git a/Source/cmGlobalGenerator.cxx b/Source/cmGlobalGenerator.cxx
index 171d62a..ab044c1 100644
--- a/Source/cmGlobalGenerator.cxx
+++ b/Source/cmGlobalGenerator.cxx
@@ -200,7 +200,7 @@ void cmGlobalGenerator::ResolveLanguageCompiler(const std::string &lang,
     if (cnameString != pathString)
       {
       const char* cvars =
-        this->GetCMakeInstance()->GetProperty(
+        this->GetCMakeInstance()->GetState()->GetGlobalProperty(
           "__CMAKE_DELETE_CACHE_CHANGE_VARS_");
       if(cvars)
         {
@@ -210,7 +210,7 @@ void cmGlobalGenerator::ResolveLanguageCompiler(const std::string &lang,
       changeVars += langComp;
       changeVars += ";";
       changeVars += cname;
-      this->GetCMakeInstance()->SetProperty(
+      this->GetCMakeInstance()->GetState()->SetGlobalProperty(
         "__CMAKE_DELETE_CACHE_CHANGE_VARS_",
         changeVars.c_str());
       }
@@ -969,13 +969,7 @@ void cmGlobalGenerator::SetLanguageEnabled(const std::string& l,
 void cmGlobalGenerator::SetLanguageEnabledFlag(const std::string& l,
                                                cmMakefile* mf)
 {
-  std::vector<std::string>::iterator it =
-      std::lower_bound(this->LanguageEnabled.begin(),
-                       this->LanguageEnabled.end(), l);
-  if (it == this->LanguageEnabled.end() || *it != l)
-    {
-    this->LanguageEnabled.insert(it, l);
-    }
+  this->CMakeInstance->GetState()->SetLanguageEnabled(l);
 
   // Fill the language-to-extension map with the current variable
   // settings to make sure it is available for the try_compile()
@@ -1086,13 +1080,12 @@ bool cmGlobalGenerator::IgnoreFile(const char* ext) const
 
 bool cmGlobalGenerator::GetLanguageEnabled(const std::string& l) const
 {
-  return std::binary_search(this->LanguageEnabled.begin(),
-                            this->LanguageEnabled.end(), l);
+  return this->CMakeInstance->GetState()->GetLanguageEnabled(l);
 }
 
 void cmGlobalGenerator::ClearEnabledLanguages()
 {
-  this->LanguageEnabled.clear();
+  return this->CMakeInstance->GetState()->ClearEnabledLanguages();
 }
 
 void cmGlobalGenerator::Configure()
@@ -1177,8 +1170,8 @@ void cmGlobalGenerator::AddCMP0042WarnTarget(const std::string& target)
 bool cmGlobalGenerator::CheckALLOW_DUPLICATE_CUSTOM_TARGETS() const
 {
   // If the property is not enabled then okay.
-  if(!this->CMakeInstance
-     ->GetPropertyAsBool("ALLOW_DUPLICATE_CUSTOM_TARGETS"))
+  if(!this->CMakeInstance->GetState()
+     ->GetGlobalPropertyAsBool("ALLOW_DUPLICATE_CUSTOM_TARGETS"))
     {
     return true;
     }
@@ -1966,7 +1959,7 @@ bool cmGlobalGenerator::IsExcluded(cmLocalGenerator* root,
 void
 cmGlobalGenerator::GetEnabledLanguages(std::vector<std::string>& lang) const
 {
-  lang = this->LanguageEnabled;
+  lang = this->CMakeInstance->GetState()->GetEnabledLanguages();
 }
 
 int cmGlobalGenerator::GetLinkerPreference(const std::string& lang) const
@@ -2398,8 +2391,8 @@ void cmGlobalGenerator::CreateDefaultGlobalTargets(cmTargets* targets)
 //----------------------------------------------------------------------------
 const char* cmGlobalGenerator::GetPredefinedTargetsFolder()
 {
-  const char* prop =
-    this->GetCMakeInstance()->GetProperty("PREDEFINED_TARGETS_FOLDER");
+  const char* prop = this->GetCMakeInstance()->GetState()
+                         ->GetGlobalProperty("PREDEFINED_TARGETS_FOLDER");
 
   if (prop)
     {
@@ -2412,7 +2405,8 @@ const char* cmGlobalGenerator::GetPredefinedTargetsFolder()
 //----------------------------------------------------------------------------
 bool cmGlobalGenerator::UseFolderProperty()
 {
-  const char* prop = this->GetCMakeInstance()->GetProperty("USE_FOLDERS");
+  const char* prop = this->GetCMakeInstance()->GetState()
+                         ->GetGlobalProperty("USE_FOLDERS");
 
   // If this property is defined, let the setter turn this on or off...
   //
diff --git a/Source/cmLoadCommandCommand.cxx b/Source/cmLoadCommandCommand.cxx
index cdfd00c..403f7fc 100644
--- a/Source/cmLoadCommandCommand.cxx
+++ b/Source/cmLoadCommandCommand.cxx
@@ -273,7 +273,7 @@ bool cmLoadCommandCommand
     // create a function blocker and set it up
     cmLoadedCommand *f = new cmLoadedCommand();
     (*initFunction)(&f->info);
-    this->Makefile->AddCommand(f);
+    this->Makefile->GetState()->AddCommand(f);
     return true;
     }
   this->SetError("Attempt to load command failed. "
diff --git a/Source/cmLocalNinjaGenerator.cxx b/Source/cmLocalNinjaGenerator.cxx
index 640c1b3..645d32a 100644
--- a/Source/cmLocalNinjaGenerator.cxx
+++ b/Source/cmLocalNinjaGenerator.cxx
@@ -18,6 +18,7 @@
 #include "cmGeneratedFileStream.h"
 #include "cmSourceFile.h"
 #include "cmake.h"
+#include "cmState.h"
 
 #include <assert.h>
 
@@ -234,8 +235,8 @@ void cmLocalNinjaGenerator::WritePools(std::ostream& os)
 {
   cmGlobalNinjaGenerator::WriteDivider(os);
 
-  const char* jobpools = this->GetCMakeInstance()
-                               ->GetProperty("JOB_POOLS", cmProperty::GLOBAL);
+  const char* jobpools = this->GetCMakeInstance()->GetState()
+                             ->GetGlobalProperty("JOB_POOLS");
   if (jobpools)
     {
     cmGlobalNinjaGenerator::WriteComment(os,
diff --git a/Source/cmMacroCommand.cxx b/Source/cmMacroCommand.cxx
index b7cbae6..7ac4432 100644
--- a/Source/cmMacroCommand.cxx
+++ b/Source/cmMacroCommand.cxx
@@ -232,9 +232,8 @@ IsFunctionBlocked(const cmListFileFunction& lff, cmMakefile &mf,
       f->Functions = this->Functions;
       mf.RecordPolicies(f->Policies);
       std::string newName = "_" + this->Args[0];
-      mf.GetCMakeInstance()->RenameCommand(this->Args[0],
-                                           newName);
-      mf.AddCommand(f);
+      mf.GetState()->RenameCommand(this->Args[0], newName);
+      mf.GetState()->AddCommand(f);
 
       // remove the function blocker now that the macro is defined
       mf.RemoveFunctionBlocker(this, lff);
diff --git a/Source/cmMakefile.cxx b/Source/cmMakefile.cxx
index ad3cce4..205508b 100644
--- a/Source/cmMakefile.cxx
+++ b/Source/cmMakefile.cxx
@@ -244,12 +244,6 @@ void cmMakefile::Print() const
 #endif
 }
 
-bool cmMakefile::CommandExists(const char* name) const
-{
-  return this->GetCMakeInstance()->CommandExists(name);
-}
-
-
 //----------------------------------------------------------------------------
 void cmMakefile::IssueMessage(cmake::MessageType t,
                               std::string const& text) const
@@ -340,7 +334,7 @@ bool cmMakefile::ExecuteCommand(const cmListFileFunction& lff,
   static_cast<void>(stack_manager);
 
   // Lookup the command prototype.
-  if(cmCommand* proto = this->GetCMakeInstance()->GetCommand(name))
+  if(cmCommand* proto = this->GetState()->GetCommand(name))
     {
     // Clone the prototype.
     cmsys::auto_ptr<cmCommand> pcmd(proto->Clone());
@@ -718,11 +712,6 @@ void cmMakefile::EnforceDirectoryLevelRules() const
     }
 }
 
-void cmMakefile::AddCommand(cmCommand* wg)
-{
-  this->GetCMakeInstance()->AddCommand(wg);
-}
-
 // Set the make file
 void cmMakefile::SetLocalGenerator(cmLocalGenerator* lg)
 {
@@ -4250,7 +4239,7 @@ const char *cmMakefile::GetProperty(const std::string& prop,
       return this->LocalGenerator->GetParent()->GetMakefile()->
         GetProperty(prop, scope);
       }
-    return this->GetCMakeInstance()->GetProperty(prop,scope);
+    return this->GetState()->GetGlobalProperty(prop);
     }
 
   return retVal;
@@ -4476,21 +4465,6 @@ void cmMakefile::RaiseScope(const std::string& var, const char *varDef)
     }
 }
 
-
-// define properties
-void cmMakefile::DefineProperties(cmake *cm)
-{
-  cm->DefineProperty
-    ("RULE_LAUNCH_COMPILE", cmProperty::DIRECTORY,
-     "", "", true);
-  cm->DefineProperty
-    ("RULE_LAUNCH_LINK", cmProperty::DIRECTORY,
-     "", "", true);
-  cm->DefineProperty
-    ("RULE_LAUNCH_CUSTOM", cmProperty::DIRECTORY,
-     "", "", true);
-}
-
 //----------------------------------------------------------------------------
 cmTarget*
 cmMakefile::AddImportedTarget(const std::string& name,
@@ -4611,7 +4585,8 @@ bool cmMakefile::EnforceUniqueName(std::string const& name, std::string& msg,
         this->LocalGenerator->GetGlobalGenerator()->GetCMakeInstance();
       if(isCustom && existing->GetType() == cmTarget::UTILITY &&
          this != existing->GetMakefile() &&
-         cm->GetPropertyAsBool("ALLOW_DUPLICATE_CUSTOM_TARGETS"))
+         cm->GetState()
+           ->GetGlobalPropertyAsBool("ALLOW_DUPLICATE_CUSTOM_TARGETS"))
         {
         return true;
         }
diff --git a/Source/cmMakefile.h b/Source/cmMakefile.h
index 57a4180..299d550 100644
--- a/Source/cmMakefile.h
+++ b/Source/cmMakefile.h
@@ -746,14 +746,6 @@ public:
   bool ExecuteCommand(const cmListFileFunction& lff,
                       cmExecutionStatus &status);
 
-  /** Check if a command exists. */
-  bool CommandExists(const char* name) const;
-
-  /**
-   * Add a command to this cmake instance
-   */
-  void AddCommand(cmCommand* );
-
   ///! Enable support for named language, if nil then all languages are
   ///enabled.
   void EnableLanguage(std::vector<std::string>const& languages, bool optional);
@@ -851,9 +843,6 @@ public:
   const std::vector<cmTestGenerator*>& GetTestGenerators() const
     { return this->TestGenerators; }
 
-  // Define the properties
-  static void DefineProperties(cmake *cm);
-
   // push and pop variable scopes
   void PushScope();
   void PopScope();
diff --git a/Source/cmMakefileTargetGenerator.cxx b/Source/cmMakefileTargetGenerator.cxx
index bd9c579..0076caf 100644
--- a/Source/cmMakefileTargetGenerator.cxx
+++ b/Source/cmMakefileTargetGenerator.cxx
@@ -20,6 +20,7 @@
 #include "cmSourceFile.h"
 #include "cmTarget.h"
 #include "cmake.h"
+#include "cmState.h"
 #include "cmComputeLinkInformation.h"
 #include "cmCustomCommandGenerator.h"
 #include "cmGeneratorExpression.h"
@@ -51,7 +52,8 @@ cmMakefileTargetGenerator::cmMakefileTargetGenerator(cmTarget* target)
   this->GeneratorTarget = this->GlobalGenerator->GetGeneratorTarget(target);
   cmake* cm = this->GlobalGenerator->GetCMakeInstance();
   this->NoRuleMessages = false;
-  if(const char* ruleStatus = cm->GetProperty("RULE_MESSAGES"))
+  if(const char* ruleStatus = cm->GetState()
+                                ->GetGlobalProperty("RULE_MESSAGES"))
     {
     this->NoRuleMessages = cmSystemTools::IsOff(ruleStatus);
     }
diff --git a/Source/cmPropertyMap.cxx b/Source/cmPropertyMap.cxx
index e335b3b..070f6f1 100644
--- a/Source/cmPropertyMap.cxx
+++ b/Source/cmPropertyMap.cxx
@@ -12,6 +12,7 @@
 #include "cmPropertyMap.h"
 #include "cmSystemTools.h"
 #include "cmake.h"
+#include "cmState.h"
 
 cmProperty *cmPropertyMap::GetOrCreateProperty(const std::string& name)
 {
@@ -73,7 +74,8 @@ const char *cmPropertyMap
     // should we chain up?
     if (this->CMakeInstance)
       {
-      chain = this->CMakeInstance->IsPropertyChained(name,scope);
+      chain = this->CMakeInstance->GetState()->
+                    IsPropertyChained(name,scope);
       }
     return 0;
     }
diff --git a/Source/cmQtAutoGenerators.cxx b/Source/cmQtAutoGenerators.cxx
index 4cb49c8..4d0b3f4 100644
--- a/Source/cmQtAutoGenerators.cxx
+++ b/Source/cmQtAutoGenerators.cxx
@@ -16,6 +16,7 @@
 #include "cmMakefile.h"
 #include "cmSourceFile.h"
 #include "cmSystemTools.h"
+#include "cmState.h"
 #include "cmAlgorithms.h"
 
 #if defined(_WIN32) && !defined(__CYGWIN__)
@@ -472,12 +473,12 @@ bool cmQtAutoGenerators::InitializeAutogenTarget(cmTarget* target)
       }
 
     // Set target folder
-    const char* autogenFolder = makefile->GetCMakeInstance()->GetProperty(
-                                                     "AUTOMOC_TARGETS_FOLDER");
+    const char* autogenFolder = makefile->GetState()
+                                ->GetGlobalProperty("AUTOMOC_TARGETS_FOLDER");
     if (!autogenFolder)
       {
-      autogenFolder = makefile->GetCMakeInstance()->GetProperty(
-                                                     "AUTOGEN_TARGETS_FOLDER");
+      autogenFolder = makefile->GetState()
+                                ->GetGlobalProperty("AUTOGEN_TARGETS_FOLDER");
       }
     if (autogenFolder && *autogenFolder)
       {
diff --git a/Source/cmState.cxx b/Source/cmState.cxx
index 7602f63..96f8a51 100644
--- a/Source/cmState.cxx
+++ b/Source/cmState.cxx
@@ -13,10 +13,21 @@
 
 #include "cmake.h"
 #include "cmCacheManager.h"
+#include "cmCommand.h"
+#include "cmAlgorithms.h"
+
+#include <assert.h>
 
 cmState::cmState(cmake* cm)
-  : CMakeInstance(cm)
+  : CMakeInstance(cm),
+    IsInTryCompile(false)
+{
+  this->Initialize();
+}
+
+cmState::~cmState()
 {
+  cmDeleteAll(this->Commands);
 }
 
 const char* cmCacheEntryTypes[] =
@@ -178,3 +189,258 @@ void cmState::RemoveCacheEntryProperty(std::string const& key,
   this->CMakeInstance->GetCacheManager()
        ->GetCacheIterator(key.c_str()).SetProperty(propertyName, (void*)0);
 }
+
+void cmState::Initialize()
+{
+  this->GlobalProperties.clear();
+
+  this->PropertyDefinitions.clear();
+  this->DefineProperty
+    ("RULE_LAUNCH_COMPILE", cmProperty::DIRECTORY,
+     "", "", true);
+  this->DefineProperty
+    ("RULE_LAUNCH_LINK", cmProperty::DIRECTORY,
+     "", "", true);
+  this->DefineProperty
+    ("RULE_LAUNCH_CUSTOM", cmProperty::DIRECTORY,
+     "", "", true);
+
+  this->DefineProperty
+    ("RULE_LAUNCH_COMPILE", cmProperty::TARGET,
+     "", "", true);
+  this->DefineProperty
+    ("RULE_LAUNCH_LINK", cmProperty::TARGET,
+     "", "", true);
+  this->DefineProperty
+    ("RULE_LAUNCH_CUSTOM", cmProperty::TARGET,
+     "", "", true);
+}
+
+void cmState::DefineProperty(const std::string& name,
+                           cmProperty::ScopeType scope,
+                           const char *ShortDescription,
+                           const char *FullDescription,
+                           bool chained)
+{
+  this->PropertyDefinitions[scope].DefineProperty(name,scope,ShortDescription,
+                                                  FullDescription,
+                                                  chained);
+}
+
+cmPropertyDefinition *cmState
+::GetPropertyDefinition(const std::string& name,
+                        cmProperty::ScopeType scope)
+{
+  if (this->IsPropertyDefined(name,scope))
+    {
+    return &(this->PropertyDefinitions[scope][name]);
+    }
+  return 0;
+}
+
+bool cmState::IsPropertyDefined(const std::string& name,
+                              cmProperty::ScopeType scope)
+{
+  return this->PropertyDefinitions[scope].IsPropertyDefined(name);
+}
+
+bool cmState::IsPropertyChained(const std::string& name,
+                              cmProperty::ScopeType scope)
+{
+  return this->PropertyDefinitions[scope].IsPropertyChained(name);
+}
+
+void cmState::SetLanguageEnabled(std::string const& l)
+{
+  std::vector<std::string>::iterator it =
+      std::lower_bound(this->EnabledLanguages.begin(),
+                       this->EnabledLanguages.end(), l);
+  if (it == this->EnabledLanguages.end() || *it != l)
+    {
+    this->EnabledLanguages.insert(it, l);
+    }
+}
+
+bool cmState::GetLanguageEnabled(std::string const& l) const
+{
+  return std::binary_search(this->EnabledLanguages.begin(),
+                            this->EnabledLanguages.end(), l);
+}
+
+std::vector<std::string> cmState::GetEnabledLanguages() const
+{
+  return this->EnabledLanguages;
+}
+
+void cmState::ClearEnabledLanguages()
+{
+  this->EnabledLanguages.clear();
+}
+
+bool cmState::GetIsInTryCompile() const
+{
+  return this->IsInTryCompile;
+}
+
+void cmState::SetIsInTryCompile(bool b)
+{
+  this->IsInTryCompile = b;
+}
+
+void cmState::RenameCommand(std::string const& oldName,
+                            std::string const& newName)
+{
+  // if the command already exists, free the old one
+  std::string sOldName = cmSystemTools::LowerCase(oldName);
+  std::string sNewName = cmSystemTools::LowerCase(newName);
+  std::map<std::string, cmCommand*>::iterator pos =
+      this->Commands.find(sOldName);
+  if ( pos == this->Commands.end() )
+    {
+    return;
+    }
+  cmCommand* cmd = pos->second;
+
+  pos = this->Commands.find(sNewName);
+  if (pos != this->Commands.end())
+    {
+    delete pos->second;
+    this->Commands.erase(pos);
+    }
+  this->Commands.insert(std::make_pair(sNewName, cmd));
+  pos = this->Commands.find(sOldName);
+  this->Commands.erase(pos);
+}
+
+void cmState::AddCommand(cmCommand* command)
+{
+  std::string name = cmSystemTools::LowerCase(command->GetName());
+  // if the command already exists, free the old one
+  std::map<std::string, cmCommand*>::iterator pos = this->Commands.find(name);
+  if (pos != this->Commands.end())
+    {
+    delete pos->second;
+    this->Commands.erase(pos);
+    }
+  this->Commands.insert(std::make_pair(name, command));
+}
+
+void cmState::RemoveUnscriptableCommands()
+{
+  std::vector<std::string> unscriptableCommands;
+  for (std::map<std::string, cmCommand*>::iterator
+       pos = this->Commands.begin();
+       pos != this->Commands.end(); )
+    {
+    if (!pos->second->IsScriptable())
+      {
+      delete pos->second;
+      this->Commands.erase(pos++);
+      }
+    else
+      {
+      ++pos;
+      }
+    }
+}
+
+cmCommand* cmState::GetCommand(std::string const& name) const
+{
+  cmCommand* command = 0;
+  std::string sName = cmSystemTools::LowerCase(name);
+  std::map<std::string, cmCommand*>::const_iterator pos =
+      this->Commands.find(sName);
+  if (pos != this->Commands.end())
+    {
+    command = (*pos).second;
+    }
+  return command;
+}
+
+std::vector<std::string> cmState::GetCommandNames() const
+{
+  std::vector<std::string> commandNames;
+  commandNames.reserve(this->Commands.size());
+  std::map<std::string, cmCommand*>::const_iterator cmds
+      = this->Commands.begin();
+  for ( ; cmds != this->Commands.end(); ++ cmds )
+    {
+    commandNames.push_back(cmds->first);
+    }
+  return commandNames;
+}
+
+void cmState::RemoveUserDefinedCommands()
+{
+  for(std::map<std::string, cmCommand*>::iterator j = this->Commands.begin();
+      j != this->Commands.end(); )
+    {
+    if (j->second->IsA("cmMacroHelperCommand") ||
+        j->second->IsA("cmFunctionHelperCommand"))
+      {
+      delete j->second;
+      this->Commands.erase(j++);
+      }
+    else
+      {
+      ++j;
+      }
+    }
+}
+
+void cmState::SetGlobalProperty(const std::string& prop, const char* value)
+{
+  this->GlobalProperties.SetProperty(prop, value, cmProperty::GLOBAL);
+}
+
+void cmState::AppendGlobalProperty(const std::string& prop,
+                                   const char* value, bool asString)
+{
+  this->GlobalProperties.AppendProperty(prop, value,
+                                        cmProperty::GLOBAL, asString);
+}
+
+const char *cmState::GetGlobalProperty(const std::string& prop)
+{
+  // watch for special properties
+  std::string output = "";
+  if ( prop == "CACHE_VARIABLES" )
+    {
+    std::vector<std::string> cacheKeys = this->GetCacheEntryKeys();
+    this->SetGlobalProperty("CACHE_VARIABLES", cmJoin(cacheKeys, ";").c_str());
+    }
+  else if ( prop == "COMMANDS" )
+    {
+    std::vector<std::string> commands = this->GetCommandNames();
+    this->SetGlobalProperty("COMMANDS", cmJoin(commands, ";").c_str());
+    }
+  else if ( prop == "IN_TRY_COMPILE" )
+    {
+    this->SetGlobalProperty("IN_TRY_COMPILE",
+                      this->IsInTryCompile ? "1" : "0");
+    }
+  else if ( prop == "ENABLED_LANGUAGES" )
+    {
+    std::string langs;
+    langs = cmJoin(this->EnabledLanguages, ";");
+    this->SetGlobalProperty("ENABLED_LANGUAGES", langs.c_str());
+    }
+#define STRING_LIST_ELEMENT(F) ";" #F
+  if (prop == "CMAKE_C_KNOWN_FEATURES")
+    {
+    return FOR_EACH_C_FEATURE(STRING_LIST_ELEMENT) + 1;
+    }
+  if (prop == "CMAKE_CXX_KNOWN_FEATURES")
+    {
+    return FOR_EACH_CXX_FEATURE(STRING_LIST_ELEMENT) + 1;
+    }
+#undef STRING_LIST_ELEMENT
+  bool dummy = false;
+  return this->GlobalProperties.GetPropertyValue(prop, cmProperty::GLOBAL,
+                                                 dummy);
+}
+
+bool cmState::GetGlobalPropertyAsBool(const std::string& prop)
+{
+  return cmSystemTools::IsOn(this->GetGlobalProperty(prop));
+}
diff --git a/Source/cmState.h b/Source/cmState.h
index f2e8ef5..34b2ccf 100644
--- a/Source/cmState.h
+++ b/Source/cmState.h
@@ -13,13 +13,17 @@
 #define cmState_h
 
 #include "cmStandardIncludes.h"
+#include "cmPropertyDefinitionMap.h"
+#include "cmPropertyMap.h"
 
 class cmake;
+class cmCommand;
 
 class cmState
 {
 public:
   cmState(cmake* cm);
+  ~cmState();
 
   enum CacheEntryType{ BOOL=0, PATH, FILEPATH, STRING, INTERNAL,STATIC,
                        UNINITIALIZED };
@@ -55,8 +59,49 @@ public:
   void RemoveCacheEntryProperty(std::string const& key,
                                 std::string const& propertyName);
 
+  void Initialize();
+  // Define a property
+  void DefineProperty(const std::string& name, cmProperty::ScopeType scope,
+                      const char *ShortDescription,
+                      const char *FullDescription,
+                      bool chain = false);
+
+  // get property definition
+  cmPropertyDefinition *GetPropertyDefinition
+  (const std::string& name, cmProperty::ScopeType scope);
+
+  // Is a property defined?
+  bool IsPropertyDefined(const std::string& name, cmProperty::ScopeType scope);
+  bool IsPropertyChained(const std::string& name, cmProperty::ScopeType scope);
+
+  void SetLanguageEnabled(std::string const& l);
+  bool GetLanguageEnabled(std::string const& l) const;
+  std::vector<std::string> GetEnabledLanguages() const;
+  void ClearEnabledLanguages();
+
+  bool GetIsInTryCompile() const;
+  void SetIsInTryCompile(bool b);
+
+  cmCommand* GetCommand(std::string const& name) const;
+  void AddCommand(cmCommand* command);
+  void RemoveUnscriptableCommands();
+  void RenameCommand(std::string const& oldName, std::string const& newName);
+  void RemoveUserDefinedCommands();
+  std::vector<std::string> GetCommandNames() const;
+
+  void SetGlobalProperty(const std::string& prop, const char *value);
+  void AppendGlobalProperty(const std::string& prop,
+                      const char *value,bool asString=false);
+  const char *GetGlobalProperty(const std::string& prop);
+  bool GetGlobalPropertyAsBool(const std::string& prop);
+
 private:
+  std::map<cmProperty::ScopeType, cmPropertyDefinitionMap> PropertyDefinitions;
+  std::vector<std::string> EnabledLanguages;
+  std::map<std::string, cmCommand*> Commands;
+  cmPropertyMap GlobalProperties;
   cmake* CMakeInstance;
+  bool IsInTryCompile;
 };
 
 #endif
diff --git a/Source/cmTarget.cxx b/Source/cmTarget.cxx
index 6711e86..f1540d4 100644
--- a/Source/cmTarget.cxx
+++ b/Source/cmTarget.cxx
@@ -264,20 +264,6 @@ cmTarget::cmTarget()
   this->LinkImplementationLanguageIsContextDependent = true;
 }
 
-//----------------------------------------------------------------------------
-void cmTarget::DefineProperties(cmake *cm)
-{
-  cm->DefineProperty
-    ("RULE_LAUNCH_COMPILE", cmProperty::TARGET,
-     "", "", true);
-  cm->DefineProperty
-    ("RULE_LAUNCH_LINK", cmProperty::TARGET,
-     "", "", true);
-  cm->DefineProperty
-    ("RULE_LAUNCH_CUSTOM", cmProperty::TARGET,
-     "", "", true);
-}
-
 void cmTarget::SetType(TargetType type, const std::string& name)
 {
   this->Name = name;
diff --git a/Source/cmTarget.h b/Source/cmTarget.h
index 55bf234..a032414 100644
--- a/Source/cmTarget.h
+++ b/Source/cmTarget.h
@@ -489,9 +489,6 @@ public:
                        const char** imp,
                        std::string& suffix) const;
 
-  // Define the properties
-  static void DefineProperties(cmake *cm);
-
   /** Get the macro to define when building sources in this target.
       If no macro should be defined null is returned.  */
   const char* GetExportMacro() const;
diff --git a/Source/cmake.cxx b/Source/cmake.cxx
index 8cdf96f..a542a24 100644
--- a/Source/cmake.cxx
+++ b/Source/cmake.cxx
@@ -136,8 +136,6 @@ cmake::cmake()
   this->Policies = new cmPolicies();
   this->State = new cmState(this);
 
-  this->InitializeProperties();
-
 #ifdef __APPLE__
   struct rlimit rlp;
   if(!getrlimit(RLIMIT_STACK, &rlp))
@@ -151,7 +149,6 @@ cmake::cmake()
 #endif
 
   this->Verbose = false;
-  this->InTryCompile = false;
   this->CacheManager = new cmCacheManager(this);
   this->GlobalGenerator = 0;
   this->ProgressCallback = 0;
@@ -180,7 +177,6 @@ cmake::~cmake()
     delete this->GlobalGenerator;
     this->GlobalGenerator = 0;
     }
-  cmDeleteAll(this->Commands);
   cmDeleteAll(this->Generators);
 #ifdef CMAKE_BUILD_WITH_CMAKE
   delete this->VariableWatch;
@@ -188,128 +184,10 @@ cmake::~cmake()
   delete this->FileComparison;
 }
 
-void cmake::InitializeProperties()
-{
-  this->Properties.clear();
-  this->PropertyDefinitions.clear();
-
-  // initialize properties
-  cmTarget::DefineProperties(this);
-  cmMakefile::DefineProperties(this);
-}
-
 void cmake::CleanupCommandsAndMacros()
 {
-  this->InitializeProperties();
-  std::vector<cmCommand*> commands;
-  for(RegisteredCommandsMap::iterator j = this->Commands.begin();
-      j != this->Commands.end(); ++j)
-    {
-    if ( !j->second->IsA("cmMacroHelperCommand") &&
-         !j->second->IsA("cmFunctionHelperCommand"))
-      {
-      commands.push_back(j->second);
-      }
-    else
-      {
-      delete j->second;
-      }
-    }
-  this->Commands.clear();
-  std::vector<cmCommand*>::iterator it;
-  for ( it = commands.begin(); it != commands.end();
-    ++ it )
-    {
-    this->Commands[cmSystemTools::LowerCase((*it)->GetName())] = *it;
-    }
-}
-
-bool cmake::CommandExists(const std::string& name) const
-{
-  return this->GetCommand(name) ? true : false;
-}
-
-cmCommand *cmake::GetCommand(const std::string& name) const
-{
-  cmCommand* command = 0;
-  std::string sName = cmSystemTools::LowerCase(name);
-  RegisteredCommandsMap::const_iterator pos = this->Commands.find(sName);
-  if (pos != this->Commands.end())
-    {
-    command = (*pos).second;
-    }
-  return command;
-}
-
-void cmake::RenameCommand(const std::string& oldName,
-                          const std::string& newName)
-{
-  // if the command already exists, free the old one
-  std::string sOldName = cmSystemTools::LowerCase(oldName);
-  RegisteredCommandsMap::iterator pos = this->Commands.find(sOldName);
-  if ( pos == this->Commands.end() )
-    {
-    return;
-    }
-  std::string sNewName = cmSystemTools::LowerCase(newName);
-  cmCommand* cmd = pos->second;
-
-  pos = this->Commands.find(sNewName);
-  if (pos != this->Commands.end())
-    {
-    delete pos->second;
-    this->Commands.erase(pos);
-    }
-  this->Commands.insert(std::make_pair(sNewName, cmd));
-  pos = this->Commands.find(sOldName);
-  this->Commands.erase(pos);
-}
-
-void cmake::RemoveCommand(const std::string& name)
-{
-  std::string sName = cmSystemTools::LowerCase(name);
-  RegisteredCommandsMap::iterator pos = this->Commands.find(sName);
-  if ( pos != this->Commands.end() )
-    {
-    delete pos->second;
-    this->Commands.erase(pos);
-    }
-}
-
-void cmake::AddCommand(cmCommand* command)
-{
-  std::string name = cmSystemTools::LowerCase(command->GetName());
-  // if the command already exists, free the old one
-  RegisteredCommandsMap::iterator pos = this->Commands.find(name);
-  if (pos != this->Commands.end())
-    {
-    delete pos->second;
-    this->Commands.erase(pos);
-    }
-  this->Commands.insert(std::make_pair(name, command));
-}
-
-
-void cmake::RemoveUnscriptableCommands()
-{
-  std::vector<std::string> unscriptableCommands;
-  for (cmake::RegisteredCommandsMap::const_iterator
-       pos = this->Commands.begin();
-       pos != this->Commands.end();
-       ++pos)
-    {
-    if (!pos->second->IsScriptable())
-      {
-      unscriptableCommands.push_back(pos->first);
-      }
-    }
-
-  for(std::vector<std::string>::const_iterator it=unscriptableCommands.begin();
-      it != unscriptableCommands.end();
-      ++it)
-    {
-    this->RemoveCommand(*it);
-    }
+  this->State->Initialize();
+  this->State->RemoveUserDefinedCommands();
 }
 
 // Parse the args
@@ -1274,8 +1152,9 @@ int cmake::HandleDeleteCacheVariables(const std::string& var)
   std::vector<std::string> argsSplit;
   cmSystemTools::ExpandListArgument(std::string(var), argsSplit, true);
   // erase the property to avoid infinite recursion
-  this->SetProperty("__CMAKE_DELETE_CACHE_CHANGE_VARS_", "");
-  if(this->GetIsInTryCompile())
+  this->State
+      ->SetGlobalProperty("__CMAKE_DELETE_CACHE_CHANGE_VARS_", "");
+  if(this->State->GetIsInTryCompile())
     {
     return 0;
     }
@@ -1351,8 +1230,8 @@ int cmake::Configure()
       }
     }
   int ret = this->ActualConfigure();
-  const char* delCacheVars =
-    this->GetProperty("__CMAKE_DELETE_CACHE_CHANGE_VARS_");
+  const char* delCacheVars = this->State
+                    ->GetGlobalProperty("__CMAKE_DELETE_CACHE_CHANGE_VARS_");
   if(delCacheVars && delCacheVars[0] != 0)
     {
     return this->HandleDeleteCacheVariables(delCacheVars);
@@ -1558,7 +1437,7 @@ int cmake::ActualConfigure()
   // reset any system configuration information, except for when we are
   // InTryCompile. With TryCompile the system info is taken from the parent's
   // info to save time
-  if (!this->InTryCompile)
+  if (!this->State->GetIsInTryCompile())
     {
     this->GlobalGenerator->ClearEnabledLanguages();
 
@@ -1627,7 +1506,7 @@ int cmake::ActualConfigure()
 
   cmMakefile* mf=this->GlobalGenerator->GetLocalGenerators()[0]->GetMakefile();
   if (mf->IsOn("CTEST_USE_LAUNCHERS")
-              && !this->GetProperty("RULE_LAUNCH_COMPILE", cmProperty::GLOBAL))
+              && !this->State->GetGlobalProperty("RULE_LAUNCH_COMPILE"))
     {
     cmSystemTools::Error("CTEST_USE_LAUNCHERS is enabled, but the "
                         "RULE_LAUNCH_COMPILE global property is not defined.\n"
@@ -1845,7 +1724,7 @@ void cmake::AddDefaultCommands()
   for(std::vector<cmCommand*>::iterator i = commands.begin();
       i != commands.end(); ++i)
     {
-    this->AddCommand(*i);
+    this->State->AddCommand(*i);
     }
 }
 
@@ -1961,7 +1840,7 @@ void cmake::SetProgressCallback(ProgressCallbackType f, void *cd)
 
 void cmake::UpdateProgress(const char *msg, float prog)
 {
-  if(this->ProgressCallback && !this->InTryCompile)
+  if(this->ProgressCallback && !this->State->GetIsInTryCompile())
     {
     (*this->ProgressCallback)(msg, prog, this->ProgressCallbackClientData);
     return;
@@ -1970,12 +1849,12 @@ void cmake::UpdateProgress(const char *msg, float prog)
 
 bool cmake::GetIsInTryCompile() const
 {
-  return this->InTryCompile;
+  return this->State->GetIsInTryCompile();
 }
 
 void cmake::SetIsInTryCompile(bool b)
 {
-  this->InTryCompile = b;
+  this->State->SetIsInTryCompile(b);
 }
 
 void cmake::GetGeneratorDocumentation(std::vector<cmDocumentationEntry>& v)
@@ -2298,114 +2177,25 @@ void cmake::GenerateGraphViz(const char* fileName) const
 #endif
 }
 
-void cmake::DefineProperty(const std::string& name,
-                           cmProperty::ScopeType scope,
-                           const char *ShortDescription,
-                           const char *FullDescription,
-                           bool chained)
-{
-  this->PropertyDefinitions[scope].DefineProperty(name,scope,ShortDescription,
-                                                  FullDescription,
-                                                  chained);
-}
-
-cmPropertyDefinition *cmake
-::GetPropertyDefinition(const std::string& name,
-                        cmProperty::ScopeType scope)
-{
-  if (this->IsPropertyDefined(name,scope))
-    {
-    return &(this->PropertyDefinitions[scope][name]);
-    }
-  return 0;
-}
-
-bool cmake::IsPropertyDefined(const std::string& name,
-                              cmProperty::ScopeType scope)
-{
-  return this->PropertyDefinitions[scope].IsPropertyDefined(name);
-}
-
-bool cmake::IsPropertyChained(const std::string& name,
-                              cmProperty::ScopeType scope)
-{
-  return this->PropertyDefinitions[scope].IsPropertyChained(name);
-}
-
 void cmake::SetProperty(const std::string& prop, const char* value)
 {
-  this->Properties.SetProperty(prop, value, cmProperty::GLOBAL);
+  this->State->SetGlobalProperty(prop, value);
 }
 
 void cmake::AppendProperty(const std::string& prop,
                            const char* value, bool asString)
 {
-  this->Properties.AppendProperty(prop, value, cmProperty::GLOBAL, asString);
+  this->State->AppendGlobalProperty(prop, value, asString);
 }
 
 const char *cmake::GetProperty(const std::string& prop)
 {
-  return this->GetProperty(prop, cmProperty::GLOBAL);
-}
-
-const char *cmake::GetProperty(const std::string& prop,
-                               cmProperty::ScopeType scope)
-{
-  // watch for special properties
-  std::string output = "";
-  if ( prop == "CACHE_VARIABLES" )
-    {
-    std::vector<std::string> cacheKeys = this->State->GetCacheEntryKeys();
-    this->SetProperty("CACHE_VARIABLES", cmJoin(cacheKeys, ";").c_str());
-    }
-  else if ( prop == "COMMANDS" )
-    {
-    cmake::RegisteredCommandsMap::iterator cmds
-        = this->Commands.begin();
-    for (unsigned int cc=0 ; cmds != this->Commands.end(); ++ cmds )
-      {
-      if ( cc > 0 )
-        {
-        output += ";";
-        }
-      output += cmds->first.c_str();
-      cc++;
-      }
-    this->SetProperty("COMMANDS",output.c_str());
-    }
-  else if ( prop == "IN_TRY_COMPILE" )
-    {
-    this->SetProperty("IN_TRY_COMPILE",
-                      this->GetIsInTryCompile()? "1":"0");
-    }
-  else if ( prop == "ENABLED_LANGUAGES" )
-    {
-    std::string lang;
-    if(this->GlobalGenerator)
-      {
-      std::vector<std::string> enLangs;
-      this->GlobalGenerator->GetEnabledLanguages(enLangs);
-      lang = cmJoin(enLangs, ";");
-      }
-    this->SetProperty("ENABLED_LANGUAGES", lang.c_str());
-    }
-#define STRING_LIST_ELEMENT(F) ";" #F
-  if (prop == "CMAKE_C_KNOWN_FEATURES")
-    {
-    return FOR_EACH_C_FEATURE(STRING_LIST_ELEMENT) + 1;
-    }
-  if (prop == "CMAKE_CXX_KNOWN_FEATURES")
-    {
-    return FOR_EACH_CXX_FEATURE(STRING_LIST_ELEMENT) + 1;
-    }
-#undef STRING_LIST_ELEMENT
-  bool dummy = false;
-  return this->Properties.GetPropertyValue(prop, scope, dummy);
+  return this->State->GetGlobalProperty(prop);
 }
 
 bool cmake::GetPropertyAsBool(const std::string& prop)
 {
-  return cmSystemTools::IsOn(this->GetProperty(prop));
+  return this->State->GetGlobalPropertyAsBool(prop);
 }
 
 cmInstalledFile *cmake::GetOrCreateInstalledFile(
@@ -2801,7 +2591,8 @@ void cmake::IssueMessage(cmake::MessageType t, std::string const& text,
 std::vector<std::string> cmake::GetDebugConfigs()
 {
   std::vector<std::string> configs;
-  if(const char* config_list = this->GetProperty("DEBUG_CONFIGURATIONS"))
+  if(const char* config_list =
+                      this->State->GetGlobalProperty("DEBUG_CONFIGURATIONS"))
     {
     // Expand the specified list and convert to upper-case.
     cmSystemTools::ExpandListArgument(config_list, configs);
diff --git a/Source/cmake.h b/Source/cmake.h
index e80cc1c..352850d 100644
--- a/Source/cmake.h
+++ b/Source/cmake.h
@@ -15,8 +15,6 @@
 
 #include "cmListFileCache.h"
 #include "cmSystemTools.h"
-#include "cmPropertyDefinitionMap.h"
-#include "cmPropertyMap.h"
 #include "cmInstalledFile.h"
 #include "cmCacheManager.h"
 #include "cmState.h"
@@ -25,7 +23,6 @@ class cmGlobalGeneratorFactory;
 class cmGlobalGenerator;
 class cmLocalGenerator;
 class cmMakefile;
-class cmCommand;
 class cmVariableWatch;
 class cmFileTimeComparison;
 class cmExternalMakefileProjectGenerator;
@@ -94,7 +91,6 @@ class cmake
      */
     FIND_PACKAGE_MODE
   };
-  typedef std::map<std::string, cmCommand*> RegisteredCommandsMap;
   typedef std::map<std::string, cmInstalledFile> InstalledFilesMap;
 
   /// Default constructor
@@ -218,22 +214,6 @@ class cmake
    */
   int GetSystemInformation(std::vector<std::string>&);
 
-  /**
-   * Add a command to this cmake instance
-   */
-  void AddCommand(cmCommand* );
-  void RenameCommand(const std::string& oldName, const std::string& newName);
-  void RemoveCommand(const std::string& name);
-  void RemoveUnscriptableCommands();
-
-  /**
-   * Get a command by its name
-   */
-  cmCommand *GetCommand(const std::string& name) const;
-
-  /** Check if a command exists. */
-  bool CommandExists(const std::string& name) const;
-
   ///! Parse command line arguments
   void SetArgs(const std::vector<std::string>&,
                bool directoriesSetBefore = false);
@@ -272,8 +252,6 @@ class cmake
   void AppendProperty(const std::string& prop,
                       const char *value,bool asString=false);
   const char *GetProperty(const std::string& prop);
-  const char *GetProperty(const std::string& prop,
-                          cmProperty::ScopeType scope);
   bool GetPropertyAsBool(const std::string& prop);
 
   ///! Get or create an cmInstalledFile instance and return a pointer to it
@@ -323,20 +301,6 @@ class cmake
 
   void MarkCliAsUsed(const std::string& variable);
 
-  // Define a property
-  void DefineProperty(const std::string& name, cmProperty::ScopeType scope,
-                      const char *ShortDescription,
-                      const char *FullDescription,
-                      bool chain = false);
-
-  // get property definition
-  cmPropertyDefinition *GetPropertyDefinition
-  (const std::string& name, cmProperty::ScopeType scope);
-
-  // Is a property defined?
-  bool IsPropertyDefined(const std::string& name, cmProperty::ScopeType scope);
-  bool IsPropertyChained(const std::string& name, cmProperty::ScopeType scope);
-
   /** Get the list of configurations (in upper case) considered to be
       debugging configurations.*/
   std::vector<std::string> GetDebugConfigs();
@@ -371,17 +335,12 @@ protected:
   void RunCheckForUnusedVariables();
   void InitializeProperties();
   int HandleDeleteCacheVariables(const std::string& var);
-  cmPropertyMap Properties;
-
-  std::map<cmProperty::ScopeType, cmPropertyDefinitionMap>
-  PropertyDefinitions;
 
   typedef
      cmExternalMakefileProjectGenerator* (*CreateExtraGeneratorFunctionType)();
   typedef std::map<std::string,
                 CreateExtraGeneratorFunctionType> RegisteredExtraGeneratorsMap;
   typedef std::vector<cmGlobalGeneratorFactory*> RegisteredGeneratorsVector;
-  RegisteredCommandsMap Commands;
   RegisteredGeneratorsVector Generators;
   RegisteredExtraGeneratorsMap ExtraGenerators;
   void AddDefaultCommands();