ENH: add the IMPORT keyword to ADD_EXECUTABLE(), which generates an

"imported" executable target. This can then be used e.g. with
ADD_CUSTOM_COMMAND() to generate stuff. It adds a second container for
"imported" targets, and FindTarget() now takes an additional argument bool
useImportedTargets to specify whether you also want to search in the
imported targets or only in the "normal" targets.

Alex

Source/cmAddDependenciesCommand.cxx

@@ -32,7 +32,7 @@ bool cmAddDependenciesCommand::InitialPass(
 
   cmTarget* target = 
     this->GetMakefile()->GetLocalGenerator()->
-    GetGlobalGenerator()->FindTarget(0, target_name.c_str());
+    GetGlobalGenerator()->FindTarget(0, target_name.c_str(), false);
   if(target)
     {
     std::vector<std::string>::const_iterator s = args.begin();

Source/cmAddExecutableCommand.cxx

@@ -32,6 +32,7 @@ bool cmAddExecutableCommand::InitialPass(std::vector<std::string> const& args)
   bool use_win32 = false;
   bool use_macbundle = false;
   bool excludeFromAll = false;
+  bool importTarget = false;
   while ( s != args.end() )
     {
     if (*s == "WIN32")
@@ -49,11 +50,22 @@ bool cmAddExecutableCommand::InitialPass(std::vector<std::string> const& args)
       ++s;
       excludeFromAll = true;
       }
+    else if(*s == "IMPORT")
+     {
+     ++s;
+     importTarget = true;
+     }
     else
       {
       break;
       }
     }
+    
+  if (importTarget)
+    {
+    cmTarget* target = this->Makefile->AddNewTarget(cmTarget::EXECUTABLE, exename.c_str(), true);
+    return true;
+    }
 
   if (s == args.end())
     {

Source/cmGetTargetPropertyCommand.cxx

@@ -29,7 +29,7 @@ bool cmGetTargetPropertyCommand::InitialPass(
   const char* targetName = args[1].c_str();
 
   cmTarget *tgt = this->Makefile->GetLocalGenerator()->GetGlobalGenerator()
-    ->FindTarget(0,targetName);
+    ->FindTarget(0, targetName, true);
   if (tgt)
     {
     cmTarget& target = *tgt;

Source/cmGlobalGenerator.cxx

@@ -625,6 +625,7 @@ void cmGlobalGenerator::Configure()
   this->LocalGenerators.clear();
   this->TargetDependencies.clear();
   this->TotalTargets.clear();
+  this->ImportedTotalTargets.clear();
   this->ProjectToTargetMap.clear();
   this->ProjectMap.clear();
 
@@ -1179,7 +1180,8 @@ cmLocalGenerator* cmGlobalGenerator::FindLocalGenerator(const char* start_dir)
 
 
 cmTarget* cmGlobalGenerator::FindTarget(const char* project, 
-                                        const char* name)
+                                        const char* name,
+                                        bool useImportedTargets)
 {
   // if project specific
   if(project)
@@ -1187,7 +1189,8 @@ cmTarget* cmGlobalGenerator::FindTarget(const char* project,
     std::vector<cmLocalGenerator*>* gens = &this->ProjectMap[project];
     for(unsigned int i = 0; i < gens->size(); ++i)
       {
-      cmTarget* ret = (*gens)[i]->GetMakefile()->FindTarget(name);
+      cmTarget* ret = (*gens)[i]->GetMakefile()->FindTarget(name, 
+                                                            useImportedTargets);
       if(ret)
         {
         return ret;
@@ -1197,13 +1200,22 @@ cmTarget* cmGlobalGenerator::FindTarget(const char* project,
   // if all projects/directories
   else
     {
-    std::map<cmStdString,cmTarget *>::iterator i = 
-      this->TotalTargets.find(name);
-    if (i == this->TotalTargets.end())
+    std::map<cmStdString,cmTarget *>::iterator i =
+      this->TotalTargets.find ( name );
+    if ( i != this->TotalTargets.end() )
       {
-      return 0;
+      return i->second;
+      }
+    
+    if ( useImportedTargets )
+      {
+      std::map<cmStdString,cmTarget *>::iterator importedTarget =
+        this->ImportedTotalTargets.find ( name );
+      if ( importedTarget != this->ImportedTotalTargets.end() )
+        {
+        return importedTarget->second;
+        }
       }
-    return i->second;
     }
   return 0;
 }
@@ -1549,12 +1561,12 @@ std::vector<cmTarget *>& cmGlobalGenerator
       if(emitted.insert(lib->first).second)
         {
         cmTarget *target2 = 
-          target.GetMakefile()->FindTarget(lib->first.c_str());
-        
+          target.GetMakefile()->FindTarget(lib->first.c_str(), false);
+
         // search each local generator until a match is found
         if (!target2)
           {
-          target2 = this->FindTarget(0,lib->first.c_str());
+          target2 = this->FindTarget(0,lib->first.c_str(), false);
           }
         
         // if a match was found then ...
@@ -1575,12 +1587,12 @@ std::vector<cmTarget *>& cmGlobalGenerator
     // Don't emit the same utility twice for this target.
     if(emitted.insert(*util).second)
       {
-      cmTarget *target2 = target.GetMakefile()->FindTarget(util->c_str());
+      cmTarget *target2 = target.GetMakefile()->FindTarget(util->c_str(), false);
       
       // search each local generator until a match is found
       if (!target2)
         {
-        target2 = this->FindTarget(0,util->c_str());
+        target2 = this->FindTarget(0,util->c_str(), false);
         }
       
       // if a match was found then ...
@@ -1594,3 +1606,14 @@ std::vector<cmTarget *>& cmGlobalGenerator
   return result;
 }
 
+void cmGlobalGenerator::AddTarget(cmTargets::value_type &v)
+{
+  if (v.second.IsImported())
+    {
+    this->ImportedTotalTargets[v.first] = &v.second;
+    }
+  else
+    {
+    this->TotalTargets[v.first] = &v.second;
+    }
+}

Source/cmGlobalGenerator.h

@@ -157,7 +157,7 @@ public:
   void FindMakeProgram(cmMakefile*);
 
   ///! Find a target by name by searching the local generators.
-  cmTarget* FindTarget(const char* project, const char* name);
+  cmTarget* FindTarget(const char* project, const char* name, bool useImportedTargets);
 
   /** If check to see if the target is linked to by any other
       target in the project */
@@ -177,9 +177,8 @@ public:
       configuration.  This is valid during generation only.  */
   cmTargetManifest const& GetTargetManifest() { return this->TargetManifest; }
 
-  void AddTarget(cmTargets::value_type &v) { 
-    this->TotalTargets[v.first] = &v.second;};
-  
+  void AddTarget(cmTargets::value_type &v);
+
   /** Support for multiple custom command outputs.  */
   virtual void CheckMultipleOutputs(cmMakefile* mf, bool verbose);
 
@@ -240,6 +239,7 @@ private:
 
   // this is used to improve performance 
   std::map<cmStdString,cmTarget *> TotalTargets;
+  std::map<cmStdString,cmTarget *> ImportedTotalTargets;
   
   std::map<cmStdString, std::vector<cmTarget *> > TargetDependencies;
 };

Source/cmGlobalUnixMakefileGenerator3.cxx

@@ -641,51 +641,49 @@ cmGlobalUnixMakefileGenerator3
       // simple name)
       if(t->second.GetName() &&
          strlen(t->second.GetName()) &&
-         emitted.insert(t->second.GetName()).second)
+         emitted.insert(t->second.GetName()).second &&
+         // Handle user targets here.  Global targets are handled in
+         // the local generator on a per-directory basis.
+         ((t->second.GetType() == cmTarget::EXECUTABLE) ||
+          (t->second.GetType() == cmTarget::STATIC_LIBRARY) ||
+          (t->second.GetType() == cmTarget::SHARED_LIBRARY) ||
+          (t->second.GetType() == cmTarget::MODULE_LIBRARY) ||
+          (t->second.GetType() == cmTarget::UTILITY)))
         {
-        // Handle user targets here.  Global targets are handled in
-        // the local generator on a per-directory basis.
-        if((t->second.GetType() == cmTarget::EXECUTABLE) ||
-           (t->second.GetType() == cmTarget::STATIC_LIBRARY) ||
-           (t->second.GetType() == cmTarget::SHARED_LIBRARY) ||
-           (t->second.GetType() == cmTarget::MODULE_LIBRARY) ||
-           (t->second.GetType() == cmTarget::UTILITY))
-          {
-          // Add a rule to build the target by name.
-          lg->WriteDivider(ruleFileStream);
-          ruleFileStream
-            << "# Target rules for targets named "
-            << t->second.GetName() << "\n\n";
-          
-          // Write the rule.
-          commands.clear();
-          std::string tmp = cmake::GetCMakeFilesDirectoryPostSlash();
-          tmp += "Makefile2";
-          commands.push_back(lg->GetRecursiveMakeCall
-                             (tmp.c_str(),t->second.GetName()));
-          depends.clear();
-          depends.push_back("cmake_check_build_system");
-          lg->WriteMakeRule(ruleFileStream, 
-                            "Build rule for target.",
-                            t->second.GetName(), depends, commands,
-                            true);
-          
-          // Add a fast rule to build the target
-          std::string localName = lg->GetRelativeTargetDirectory(t->second);
-          std::string makefileName;
-          makefileName = localName;
-          makefileName += "/build.make";          
-          depends.clear();
-          commands.clear();
-          std::string makeTargetName = localName;
-          makeTargetName += "/build";
-          localName = t->second.GetName();
-          localName += "/fast";
-          commands.push_back(lg->GetRecursiveMakeCall
-                             (makefileName.c_str(), makeTargetName.c_str()));
-          lg->WriteMakeRule(ruleFileStream, "fast build rule for target.",
-                            localName.c_str(), depends, commands, true);
-          }
+        // Add a rule to build the target by name.
+        lg->WriteDivider(ruleFileStream);
+        ruleFileStream
+          << "# Target rules for targets named "
+          << t->second.GetName() << "\n\n";
+        
+        // Write the rule.
+        commands.clear();
+        std::string tmp = cmake::GetCMakeFilesDirectoryPostSlash();
+        tmp += "Makefile2";
+        commands.push_back(lg->GetRecursiveMakeCall
+                            (tmp.c_str(),t->second.GetName()));
+        depends.clear();
+        depends.push_back("cmake_check_build_system");
+        lg->WriteMakeRule(ruleFileStream, 
+                          "Build rule for target.",
+                          t->second.GetName(), depends, commands,
+                          true);
+        
+        // Add a fast rule to build the target
+        std::string localName = lg->GetRelativeTargetDirectory(t->second);
+        std::string makefileName;
+        makefileName = localName;
+        makefileName += "/build.make";          
+        depends.clear();
+        commands.clear();
+        std::string makeTargetName = localName;
+        makeTargetName += "/build";
+        localName = t->second.GetName();
+        localName += "/fast";
+        commands.push_back(lg->GetRecursiveMakeCall
+                            (makefileName.c_str(), makeTargetName.c_str()));
+        lg->WriteMakeRule(ruleFileStream, "fast build rule for target.",
+                          localName.c_str(), depends, commands, true);
         }
       }
     }
@@ -714,7 +712,13 @@ cmGlobalUnixMakefileGenerator3
   cmTargets& targets = lg->GetMakefile()->GetTargets();
   for(cmTargets::iterator t = targets.begin(); t != targets.end(); ++t)
     {
-    if (t->second.GetName() && strlen(t->second.GetName()))
+    if (t->second.GetName()
+     && strlen(t->second.GetName())
+     && ((t->second.GetType() == cmTarget::EXECUTABLE)
+        || (t->second.GetType() == cmTarget::STATIC_LIBRARY)
+        || (t->second.GetType() == cmTarget::SHARED_LIBRARY)
+        || (t->second.GetType() == cmTarget::MODULE_LIBRARY)
+        || (t->second.GetType() == cmTarget::UTILITY)))
       {
       std::string makefileName;
       // Add a rule to build the target by name.
@@ -722,165 +726,158 @@ cmGlobalUnixMakefileGenerator3
       makefileName = localName;
       makefileName += "/build.make";
       
-      if (((t->second.GetType() == cmTarget::EXECUTABLE) ||
-           (t->second.GetType() == cmTarget::STATIC_LIBRARY) ||
-           (t->second.GetType() == cmTarget::SHARED_LIBRARY) ||
-           (t->second.GetType() == cmTarget::MODULE_LIBRARY) ||
-           (t->second.GetType() == cmTarget::UTILITY)))  
+      bool needRequiresStep = 
+        this->NeedRequiresStep(lg,t->second.GetName());
+      
+      lg->WriteDivider(ruleFileStream);
+      ruleFileStream
+        << "# Target rules for target "
+        << localName << "\n\n";
+    
+      commands.clear();        
+      if (t->second.GetType() != cmTarget::UTILITY)
         {
-        bool needRequiresStep = 
-          this->NeedRequiresStep(lg,t->second.GetName());
+        makeTargetName = localName;
+        makeTargetName += "/depend";
+        commands.push_back(lg->GetRecursiveMakeCall
+                            (makefileName.c_str(),makeTargetName.c_str()));
         
-        lg->WriteDivider(ruleFileStream);
-        ruleFileStream
-          << "# Target rules for target "
-          << localName << "\n\n";
-      
-        commands.clear();        
-        if (t->second.GetType() != cmTarget::UTILITY)
+        // add requires if we need it for this generator
+        if (needRequiresStep)
           {
           makeTargetName = localName;
-          makeTargetName += "/depend";
+          makeTargetName += "/requires";
           commands.push_back(lg->GetRecursiveMakeCall
-                             (makefileName.c_str(),makeTargetName.c_str()));
-          
-          // add requires if we need it for this generator
-          if (needRequiresStep)
-            {
-            makeTargetName = localName;
-            makeTargetName += "/requires";
-            commands.push_back(lg->GetRecursiveMakeCall
-                               (makefileName.c_str(),makeTargetName.c_str()));
-            }
+                              (makefileName.c_str(),makeTargetName.c_str()));
           }
-        makeTargetName = localName;
-        makeTargetName += "/build";
-        commands.push_back(lg->GetRecursiveMakeCall
-                           (makefileName.c_str(),makeTargetName.c_str()));
-        
-        // Write the rule.
-        localName += "/all";
-        depends.clear();
+        }
+      makeTargetName = localName;
+      makeTargetName += "/build";
+      commands.push_back(lg->GetRecursiveMakeCall
+                          (makefileName.c_str(),makeTargetName.c_str()));
+      
+      // Write the rule.
+      localName += "/all";
+      depends.clear();
 
-        std::string progressDir =
-          lg->GetMakefile()->GetHomeOutputDirectory();
-        progressDir += cmake::GetCMakeFilesDirectory();
-          {
-          cmOStringStream progCmd;
-          progCmd << "$(CMAKE_COMMAND) -E cmake_progress_report "; 
-          // all target counts
-          progCmd << lg->Convert(progressDir.c_str(),
-                                 cmLocalGenerator::FULL,
-                                 cmLocalGenerator::SHELL);
-          progCmd << " ";
-          std::vector<int> &progFiles = lg->ProgressFiles[t->first];
-          for (std::vector<int>::iterator i = progFiles.begin();
-               i != progFiles.end(); ++i)
-            {
-            progCmd << " " << *i;
-            }
-          commands.push_back(progCmd.str());
-          }
-        progressDir = "Built target ";
-        progressDir += t->first;
-        lg->AppendEcho(commands,progressDir.c_str());
-        
-        this->AppendGlobalTargetDepends(depends,t->second);
-        lg->WriteMakeRule(ruleFileStream, "All Build rule for target.",
-                          localName.c_str(), depends, commands, true);
-        
-        // add the all/all dependency
-        if (!exclude && !t->second.GetPropertyAsBool("EXCLUDE_FROM_ALL"))
-          {
-          depends.clear();
-          depends.push_back(localName);
-          commands.clear();
-          lg->WriteMakeRule(ruleFileStream, "Include target in all.",
-                            "all", depends, commands, true);
-          }
-        
-        // Write the rule.
-        commands.clear();
-        progressDir = lg->GetMakefile()->GetHomeOutputDirectory();
-        progressDir += cmake::GetCMakeFilesDirectory();
-        
+      std::string progressDir =
+        lg->GetMakefile()->GetHomeOutputDirectory();
+      progressDir += cmake::GetCMakeFilesDirectory();
         {
-        // TODO: Convert the total progress count to a make variable.
         cmOStringStream progCmd;
-        progCmd << "$(CMAKE_COMMAND) -E cmake_progress_start "; 
-        // # in target
+        progCmd << "$(CMAKE_COMMAND) -E cmake_progress_report "; 
+        // all target counts
         progCmd << lg->Convert(progressDir.c_str(),
-                               cmLocalGenerator::FULL,
-                               cmLocalGenerator::SHELL);
-        //
-        std::set<cmStdString> emitted;
-        progCmd << " " 
-                << this->GetTargetTotalNumberOfActions(t->second,
-                                                       emitted);
+                                cmLocalGenerator::FULL,
+                                cmLocalGenerator::SHELL);
+        progCmd << " ";
+        std::vector<int> &progFiles = lg->ProgressFiles[t->first];
+        for (std::vector<int>::iterator i = progFiles.begin();
+              i != progFiles.end(); ++i)
+          {
+          progCmd << " " << *i;
+          }
         commands.push_back(progCmd.str());
         }
-        std::string tmp = cmake::GetCMakeFilesDirectoryPostSlash();
-        tmp += "Makefile2";
-        commands.push_back(lg->GetRecursiveMakeCall
-                           (tmp.c_str(),localName.c_str()));
+      progressDir = "Built target ";
+      progressDir += t->first;
+      lg->AppendEcho(commands,progressDir.c_str());
+      
+      this->AppendGlobalTargetDepends(depends,t->second);
+      lg->WriteMakeRule(ruleFileStream, "All Build rule for target.",
+                        localName.c_str(), depends, commands, true);
+      
+      // add the all/all dependency
+      if (!exclude && !t->second.GetPropertyAsBool("EXCLUDE_FROM_ALL"))
         {
-        cmOStringStream progCmd;
-        progCmd << "$(CMAKE_COMMAND) -E cmake_progress_start "; // # 0
-        progCmd << lg->Convert(progressDir.c_str(),
-                               cmLocalGenerator::FULL,
-                               cmLocalGenerator::SHELL);
-        progCmd << " 0";
-        commands.push_back(progCmd.str());
-        }
-        depends.clear();
-        depends.push_back("cmake_check_build_system");
-        localName = lg->GetRelativeTargetDirectory(t->second);
-        localName += "/rule";
-        lg->WriteMakeRule(ruleFileStream, 
-                          "Build rule for subdir invocation for target.",
-                          localName.c_str(), depends, commands, true);
-        
-        // Add a target with the canonical name (no prefix, suffix or path).
-        commands.clear();
         depends.clear();
         depends.push_back(localName);
-        lg->WriteMakeRule(ruleFileStream, "Convenience name for target.",
-                          t->second.GetName(), depends, commands, true);
-        
-        // Add rules to prepare the target for installation.
-        if(t->second.NeedRelinkBeforeInstall())
-          {
-          localName = lg->GetRelativeTargetDirectory(t->second);
-          localName += "/preinstall";
-          depends.clear();
-          commands.clear();
-          commands.push_back(lg->GetRecursiveMakeCall
-                             (makefileName.c_str(), localName.c_str()));
-          lg->WriteMakeRule(ruleFileStream, 
-                            "Pre-install relink rule for target.",
-                            localName.c_str(), depends, commands, true);
-          depends.clear();
-          depends.push_back(localName);
-          commands.clear();
-          lg->WriteMakeRule(ruleFileStream, "Prepare target for install.",
-                            "preinstall", depends, commands, true);
-          }
-        
-        // add the clean rule
+        commands.clear();
+        lg->WriteMakeRule(ruleFileStream, "Include target in all.",
+                          "all", depends, commands, true);
+        }
+      
+      // Write the rule.
+      commands.clear();
+      progressDir = lg->GetMakefile()->GetHomeOutputDirectory();
+      progressDir += cmake::GetCMakeFilesDirectory();
+      
+      {
+      // TODO: Convert the total progress count to a make variable.
+      cmOStringStream progCmd;
+      progCmd << "$(CMAKE_COMMAND) -E cmake_progress_start "; 
+      // # in target
+      progCmd << lg->Convert(progressDir.c_str(),
+                              cmLocalGenerator::FULL,
+                              cmLocalGenerator::SHELL);
+      //
+      std::set<cmStdString> emitted;
+      progCmd << " " 
+              << this->GetTargetTotalNumberOfActions(t->second,
+                                                      emitted);
+      commands.push_back(progCmd.str());
+      }
+      std::string tmp = cmake::GetCMakeFilesDirectoryPostSlash();
+      tmp += "Makefile2";
+      commands.push_back(lg->GetRecursiveMakeCall
+                          (tmp.c_str(),localName.c_str()));
+      {
+      cmOStringStream progCmd;
+      progCmd << "$(CMAKE_COMMAND) -E cmake_progress_start "; // # 0
+      progCmd << lg->Convert(progressDir.c_str(),
+                              cmLocalGenerator::FULL,
+                              cmLocalGenerator::SHELL);
+      progCmd << " 0";
+      commands.push_back(progCmd.str());
+      }
+      depends.clear();
+      depends.push_back("cmake_check_build_system");
+      localName = lg->GetRelativeTargetDirectory(t->second);
+      localName += "/rule";
+      lg->WriteMakeRule(ruleFileStream, 
+                        "Build rule for subdir invocation for target.",
+                        localName.c_str(), depends, commands, true);
+      
+      // Add a target with the canonical name (no prefix, suffix or path).
+      commands.clear();
+      depends.clear();
+      depends.push_back(localName);
+      lg->WriteMakeRule(ruleFileStream, "Convenience name for target.",
+                        t->second.GetName(), depends, commands, true);
+      
+      // Add rules to prepare the target for installation.
+      if(t->second.NeedRelinkBeforeInstall())
+        {
         localName = lg->GetRelativeTargetDirectory(t->second);
-        makeTargetName = localName;
-        makeTargetName += "/clean";
+        localName += "/preinstall";
         depends.clear();
         commands.clear();
         commands.push_back(lg->GetRecursiveMakeCall
-                           (makefileName.c_str(), makeTargetName.c_str()));
-        lg->WriteMakeRule(ruleFileStream, "clean rule for target.",
-                          makeTargetName.c_str(), depends, commands, true);
+                            (makefileName.c_str(), localName.c_str()));
+        lg->WriteMakeRule(ruleFileStream, 
+                          "Pre-install relink rule for target.",
+                          localName.c_str(), depends, commands, true);
+        depends.clear();
+        depends.push_back(localName);
         commands.clear();
-        depends.push_back(makeTargetName);
-        lg->WriteMakeRule(ruleFileStream, "clean rule for target.",
-                          "clean", depends, commands, true);
+        lg->WriteMakeRule(ruleFileStream, "Prepare target for install.",
+                          "preinstall", depends, commands, true);
         }
+      
+      // add the clean rule
+      localName = lg->GetRelativeTargetDirectory(t->second);
+      makeTargetName = localName;
+      makeTargetName += "/clean";
+      depends.clear();
+      commands.clear();
+      commands.push_back(lg->GetRecursiveMakeCall
+                          (makefileName.c_str(), makeTargetName.c_str()));
+      lg->WriteMakeRule(ruleFileStream, "clean rule for target.",
+                        makeTargetName.c_str(), depends, commands, true);
+      commands.clear();
+      depends.push_back(makeTargetName);
+      lg->WriteMakeRule(ruleFileStream, "clean rule for target.",
+                        "clean", depends, commands, true);
       }
     }
 }
@@ -1060,12 +1057,12 @@ cmGlobalUnixMakefileGenerator3
   // first check the same dir as the current target
   lg3 = static_cast<cmLocalUnixMakefileGenerator3 *>
     (target.GetMakefile()->GetLocalGenerator());
-  result = target.GetMakefile()->FindTarget(name);
+  result = target.GetMakefile()->FindTarget(name, false);
   
   // search each local generator until a match is found
   if (!result)
     {
-    result = this->FindTarget(0,name);
+    result = this->FindTarget(0, name, false);
     if (result)
       {
       lg3 = static_cast<cmLocalUnixMakefileGenerator3 *>

Source/cmGlobalVisualStudio6Generator.cxx

@@ -401,7 +401,7 @@ void cmGlobalVisualStudio6Generator::WriteProject(std::ostream& fout,
       if(j->first != dspname)
         {
         // is the library part of this DSW ? If so add dependency
-        if(this->FindTarget(0, j->first.c_str()))
+        if(this->FindTarget(0, j->first.c_str()), false)
           {
           fout << "Begin Project Dependency\n";
           fout << "Project_Dep_Name " << j->first.c_str() << "\n";

Source/cmGlobalVisualStudio71Generator.cxx

@@ -333,7 +333,9 @@ cmGlobalVisualStudio71Generator
       if(j->first != dspname)
         {
         // is the library part of this SLN ? If so add dependency
-        if(this->FindTarget(this->CurrentProject.c_str(), j->first.c_str()))
+        if(this->FindTarget(this->CurrentProject.c_str(), 
+                            j->first.c_str()), 
+                            false)
           {
           fout << "\t\t{" << this->GetGUID(j->first.c_str()) << "} = {"
                << this->GetGUID(j->first.c_str()) << "}\n";

Source/cmGlobalVisualStudio7Generator.cxx

@@ -588,7 +588,9 @@ cmGlobalVisualStudio7Generator
       if(j->first != dspname)
         {
         // is the library part of this SLN ? If so add dependency
-        if(this->FindTarget(this->CurrentProject.c_str(), j->first.c_str()))
+        if(this->FindTarget(this->CurrentProject.c_str(), 
+                            j->first.c_str()), 
+                            false)
           {
           std::string guid = this->GetGUID(j->first.c_str());
           if(guid.size() == 0)

Source/cmGlobalVisualStudio8Generator.cxx

@@ -94,7 +94,7 @@ void cmGlobalVisualStudio8Generator::Generate()
       mf->AddUtilityCommand(CMAKE_CHECK_BUILD_SYSTEM_TARGET, false,
                             no_working_directory, no_depends,
                             noCommandLines);
-      cmTarget* tgt = mf->FindTarget(CMAKE_CHECK_BUILD_SYSTEM_TARGET);
+      cmTarget* tgt = mf->FindTarget(CMAKE_CHECK_BUILD_SYSTEM_TARGET, false);
       if(!tgt)
         {
         cmSystemTools::Error("Error adding target " 

Source/cmGlobalVisualStudioGenerator.cxx

@@ -104,7 +104,7 @@ cmGlobalVisualStudioGenerator::FixUtilityDependsForTarget(cmTarget& target)
         target.GetUtilities().begin();
       ui != target.GetUtilities().end(); ++ui)
     {
-    if(cmTarget* depTarget = this->FindTarget(0, ui->c_str()))
+    if(cmTarget* depTarget = this->FindTarget(0, ui->c_str(), false))
       {
       if(depTarget->GetType() == cmTarget::STATIC_LIBRARY ||
          depTarget->GetType() == cmTarget::SHARED_LIBRARY ||
@@ -149,7 +149,7 @@ cmGlobalVisualStudioGenerator::CreateUtilityDependTarget(cmTarget& target)
     this->CreateGUID(altNameStr.c_str());
 
     // The intermediate target should depend on the original target.
-    if(cmTarget* alt = this->FindTarget(0, altNameStr.c_str()))
+    if(cmTarget* alt = this->FindTarget(0, altNameStr.c_str(), false))
       {
       alt->AddUtility(target.GetName());
       }
@@ -205,7 +205,7 @@ cmGlobalVisualStudioGenerator::GetUtilityForTarget(cmTarget& target,
     {
     // The depender is a target that links.  Lookup the dependee to
     // see if it provides an alternative dependency name.
-    if(cmTarget* depTarget = this->FindTarget(0, name))
+    if(cmTarget* depTarget = this->FindTarget(0, name, false))
       {
       // Check for an alternative name created by FixUtilityDepends.
       if(const char* altName =

Source/cmGlobalXCodeGenerator.cxx

@@ -272,7 +272,7 @@ cmGlobalXCodeGenerator::AddExtraTargets(cmLocalGenerator* root,
   mf->AddUtilityCommand("ALL_BUILD", true, no_depends,
                         no_working_directory,
                         "echo", "Build all projects");
-  cmTarget* allbuild = mf->FindTarget("ALL_BUILD");
+  cmTarget* allbuild = mf->FindTarget("ALL_BUILD", false);
   
   // Add XCODE depend helper 
   std::string dir = mf->GetCurrentOutputDirectory();
@@ -1035,8 +1035,7 @@ void  cmGlobalXCodeGenerator
           cc.GetDepends().begin();
           d != cc.GetDepends().end(); ++d)
         {
-        if(!this->FindTarget(this->CurrentProject.c_str(),
-            d->c_str()))
+        if(!this->FindTarget(this->CurrentProject.c_str(), d->c_str(), false))
           {
           // if the depend is not a target but
           // is a full path then use it, if not then
@@ -1860,7 +1859,7 @@ void cmGlobalXCodeGenerator
         {
         // Add this dependency.
         cmTarget* t = this->FindTarget(this->CurrentProject.c_str(),
-                                       lib->first.c_str());
+                                       lib->first.c_str(), false);
         cmXCodeObject* dptarget = this->FindXCodeTarget(t);
         if(dptarget)
           {
@@ -1876,7 +1875,7 @@ void cmGlobalXCodeGenerator
       i != cmtarget->GetUtilities().end(); ++i)
     {
     cmTarget* t = this->FindTarget(this->CurrentProject.c_str(),
-                                   i->c_str());
+                                   i->c_str(), false);
     // if the target is in this project then make target depend
     // on it.  It may not be in this project if this is a sub
     // project from the top.

Source/cmIncludeExternalMSProjectCommand.cxx

@@ -50,10 +50,8 @@ bool cmIncludeExternalMSProjectCommand
     cmSystemTools::ConvertToUnixSlashes(path);
 
     // Create a target instance for this utility.
-    cmTarget target;
-    target.SetType(cmTarget::UTILITY, utility_name.c_str());
-    target.SetProperty("EXCLUDE_FROM_ALL","FALSE");
-    target.SetMakefile(this->Makefile);
+    cmTarget* target=this->Makefile->AddNewTarget(cmTarget::UTILITY, utility_name.c_str());
+    target->SetProperty("EXCLUDE_FROM_ALL","FALSE");
     std::vector<std::string> no_outputs;
     cmCustomCommandLines commandLines;
     cmCustomCommandLine commandLine;
@@ -61,13 +59,7 @@ bool cmIncludeExternalMSProjectCommand
     commandLine.push_back(path);
     commandLines.push_back(commandLine);
     cmCustomCommand cc(no_outputs, depends, commandLines, 0, 0);
-    target.GetPostBuildCommands().push_back(cc);
-
-    // Add the target to the set of targets.
-    cmTargets::iterator it =
-      this->Makefile->GetTargets()
-      .insert(cmTargets::value_type(utility_name.c_str(),target)).first;
-    this->Makefile->GetLocalGenerator()->GetGlobalGenerator()->AddTarget(*it);
+    target->GetPostBuildCommands().push_back(cc);
     }
 #endif
   return true;

Source/cmInstallCommand.cxx

@@ -252,7 +252,7 @@ bool cmInstallCommand::HandleTargetsMode(std::vector<std::string> const& args)
     else if(doing_targets)
       {
       // Lookup this target in the current directory.
-      if(cmTarget* target = this->Makefile->FindTarget(args[i].c_str()))
+      if(cmTarget* target = this->Makefile->FindTarget(args[i].c_str(), false))
         {
         // Found the target.  Check its type.
         if(target->GetType() != cmTarget::EXECUTABLE &&

Source/cmInstallTargetGenerator.cxx

@@ -376,7 +376,7 @@ void cmInstallTargetGenerator
       {
       if(cmTarget* tgt = this->Target->GetMakefile()->
          GetLocalGenerator()->GetGlobalGenerator()->
-         FindTarget(0, lib.c_str()))
+         FindTarget(0, lib.c_str(), false))
         {
         if(tgt->GetType() == cmTarget::SHARED_LIBRARY)
           {

Source/cmLocalGenerator.cxx

@@ -148,8 +148,7 @@ void cmLocalGenerator::TraceDependencies()
     if ((t->second.GetType() != cmTarget::INSTALL_FILES)
         && (t->second.GetType() != cmTarget::INSTALL_PROGRAMS)
         && (t->second.GetType() != cmTarget::INSTALL_DIRECTORY)
-        && (strncmp(t->first.c_str(), "INCLUDE_EXTERNAL_MSPROJECT", 26) != 0)
-        && (t->second.GetPropertyAsBool("IMPORTED") == false))
+        && (strncmp(t->first.c_str(), "INCLUDE_EXTERNAL_MSPROJECT", 26) != 0))
       {
       std::string projectFilename;
       if (this->IsMakefileGenerator == false)  // only use of this variable
@@ -1733,7 +1732,7 @@ void cmLocalGenerator
        (j->second == cmTarget::GENERAL || j->second == linkType))
       {
       // Compute the proper name to use to link this library.
-      cmTarget* tgt = this->GlobalGenerator->FindTarget(0, lib.c_str());
+      cmTarget* tgt = this->GlobalGenerator->FindTarget(0, lib.c_str(), false);
       bool impexe = (tgt &&
                      tgt->GetType() == cmTarget::EXECUTABLE &&
                      tgt->GetPropertyAsBool("ENABLE_EXPORTS"));
@@ -1963,7 +1962,7 @@ std::string cmLocalGenerator::GetRealDependency(const char* inName,
     }
 
   // Look for a CMake target with the given name.
-  if(cmTarget* target = this->GlobalGenerator->FindTarget(0, name.c_str()))
+  if(cmTarget* target = this->GlobalGenerator->FindTarget(0,name.c_str(),false))
     {
     // make sure it is not just a coincidence that the target name
     // found is part of the inName
@@ -2029,8 +2028,8 @@ std::string cmLocalGenerator::GetRealLocation(const char* inName,
 {
   std::string outName=inName;
   // Look for a CMake target with the given name.
-  cmTarget* target = this->GlobalGenerator->FindTarget(0, inName);
-  if ((target!=0) && (target->GetType()==cmTarget::EXECUTABLE))
+  cmTarget* target = this->GlobalGenerator->FindTarget(0, inName, true);
+  if ((target != 0) && (target->GetType() == cmTarget::EXECUTABLE))
     {
     outName = target->GetLocation( config );
     }

Source/cmLocalUnixMakefileGenerator3.cxx

@@ -114,7 +114,6 @@ void cmLocalUnixMakefileGenerator3::Generate()
     if (tg)
       {
       this->TargetGenerators.push_back(tg);
-//      t->second.TraceVSDependencies(empty, this->Makefile);
       tg->WriteRuleFiles();
       }
     }

Source/cmLocalVisualStudio6Generator.cxx

@@ -1051,7 +1051,8 @@ void cmLocalVisualStudio6Generator
       // Compute the proper name to use to link this library.
       std::string lib;
       std::string libDebug;
-      cmTarget* tgt = this->GlobalGenerator->FindTarget(0, j->first.c_str());
+      cmTarget* tgt = this->GlobalGenerator->FindTarget(0, j->first.c_str(), 
+                                                        false);
       if(tgt)
         {
         lib = cmSystemTools::GetFilenameWithoutExtension

Source/cmMakefile.cxx

@@ -825,12 +825,10 @@ void cmMakefile::AddUtilityCommand(const char* utilityName,
                                    bool escapeOldStyle, const char* comment)
 {
   // Create a target instance for this utility.
-  cmTarget target;
-  target.SetMakefile(this);
-  target.SetType(cmTarget::UTILITY, utilityName);
+  cmTarget* target = this->AddNewTarget(cmTarget::UTILITY, utilityName, false);
   if (excludeFromAll)
     {
-    target.SetProperty("EXCLUDE_FROM_ALL", "TRUE");
+    target->SetProperty("EXCLUDE_FROM_ALL", "TRUE");
     }
   if(!comment)
     {
@@ -850,7 +848,7 @@ void cmMakefile::AddUtilityCommand(const char* utilityName,
                                  commandLines, comment,
                                  workingDirectory, no_replace,
                                  escapeOldStyle);
-  target.GetSourceLists().push_back(force);
+  target->GetSourceLists().push_back(force);
 
   // The output is not actually created so mark it symbolic.
   if(cmSourceFile* sf = this->GetSource(force.c_str()))
@@ -862,11 +860,6 @@ void cmMakefile::AddUtilityCommand(const char* utilityName,
     cmSystemTools::Error("Could not get source file entry for ",
                          force.c_str());
     }
-
-  // Add the target to the set of targets.
-  cmTargets::iterator it = 
-    this->Targets.insert(cmTargets::value_type(utilityName,target)).first;
-  this->LocalGenerator->GetGlobalGenerator()->AddTarget(*it);
 }
 
 void cmMakefile::AddDefineFlag(const char* flag)
@@ -940,7 +933,7 @@ void cmMakefile::AddLinkLibraryForTarget(const char *target,
   if ( i != this->Targets.end())
     {
     cmTarget* tgt = 
-      this->GetCMakeInstance()->GetGlobalGenerator()->FindTarget(0, lib);
+      this->GetCMakeInstance()->GetGlobalGenerator()->FindTarget(0, lib, false);
     if(tgt)
       {
       bool allowModules = true;
@@ -1343,53 +1336,64 @@ void cmMakefile::AddLibrary(const char* lname, int shared,
                             const std::vector<std::string> &srcs,
                             bool excludeFromAll)
 {
-  cmTarget target;
+  cmTarget* target=0;
   switch (shared)
     {
     case 0:
-      target.SetType(cmTarget::STATIC_LIBRARY, lname);
+      target=this->AddNewTarget(cmTarget::STATIC_LIBRARY, lname, false);
       break;
     case 1:
-      target.SetType(cmTarget::SHARED_LIBRARY, lname);
+      target=this->AddNewTarget(cmTarget::SHARED_LIBRARY, lname, false);
       break;
     case 2:
-      target.SetType(cmTarget::MODULE_LIBRARY, lname);
+      target=this->AddNewTarget(cmTarget::MODULE_LIBRARY, lname, false);
       break;
     default:
-      target.SetType(cmTarget::STATIC_LIBRARY, lname);
+      target=this->AddNewTarget(cmTarget::STATIC_LIBRARY, lname, false);
     }
-  target.SetMakefile(this);
 
   // Clear its dependencies. Otherwise, dependencies might persist
   // over changes in CMakeLists.txt, making the information stale and
   // hence useless.
-  target.ClearDependencyInformation( *this, lname );
+  target->ClearDependencyInformation( *this, lname );
   if(excludeFromAll)
     {
-    target.SetProperty("EXCLUDE_FROM_ALL", "TRUE");
+    target->SetProperty("EXCLUDE_FROM_ALL", "TRUE");
     }
-  target.GetSourceLists() = srcs;
-  this->AddGlobalLinkInformation(lname, target);
-  cmTargets::iterator it = 
-    this->Targets.insert(cmTargets::value_type(lname,target)).first;
-  this->LocalGenerator->GetGlobalGenerator()->AddTarget(*it);
+  target->GetSourceLists() = srcs;
+  this->AddGlobalLinkInformation(lname, *target);
 }
 
 cmTarget* cmMakefile::AddExecutable(const char *exeName, 
                                     const std::vector<std::string> &srcs,
                                     bool excludeFromAll)
 {
-  cmTarget target;
-  target.SetType(cmTarget::EXECUTABLE, exeName);
-  target.SetMakefile(this);
+  cmTarget* target = this->AddNewTarget(cmTarget::EXECUTABLE, exeName, false);
   if(excludeFromAll)
     {
-    target.SetProperty("EXCLUDE_FROM_ALL", "TRUE");
+    target->SetProperty("EXCLUDE_FROM_ALL", "TRUE");
     }
-  target.GetSourceLists() = srcs;
-  this->AddGlobalLinkInformation(exeName, target);
-  cmTargets::iterator it = 
-    this->Targets.insert(cmTargets::value_type(exeName,target)).first;
+  target->GetSourceLists() = srcs;
+  this->AddGlobalLinkInformation(exeName, *target);
+  return target;
+}
+
+
+cmTarget* cmMakefile::AddNewTarget(cmTarget::TargetType type, const char* name, bool isImported)
+{
+  cmTargets::iterator it;
+  cmTarget target;
+  target.SetType(type, name);
+  target.SetMakefile(this);
+  if (isImported)
+  {
+    target.MarkAsImported();
+    it=this->ImportedTargets.insert(cmTargets::value_type(target.GetName(), target)).first;
+  }
+  else
+  {
+    it=this->Targets.insert(cmTargets::value_type(target.GetName(), target)).first;
+  }
   this->LocalGenerator->GetGlobalGenerator()->AddTarget(*it);
   return &it->second;
 }
@@ -2709,7 +2713,7 @@ const char *cmMakefile::GetProperty(const char* prop,
     return this->GetCMakeInstance()->GetProperty(prop,scope);
     }
 
-  return retVal;    
+  return retVal;
 }
 
 bool cmMakefile::GetPropertyAsBool(const char* prop)
@@ -2718,16 +2722,26 @@ bool cmMakefile::GetPropertyAsBool(const char* prop)
 }
 
 
-cmTarget* cmMakefile::FindTarget(const char* name)
+cmTarget* cmMakefile::FindTarget(const char* name, bool useImportedTargets)
 {
   cmTargets& tgts = this->GetTargets();
-  
-  cmTargets::iterator i = tgts.find(name);
-  if (i == tgts.end())
+
+  cmTargets::iterator i = tgts.find ( name );
+  if ( i != tgts.end() )
     {
-    return 0;
+    return &i->second;
     }
-  return &i->second;
+
+  if (useImportedTargets)
+    {
+    cmTargets::iterator impTarget = this->ImportedTargets.find(name);
+    if (impTarget != this->ImportedTargets.end())
+      {
+      return &impTarget->second;
+      }
+    }
+
+  return 0;
 }
 
 cmTest* cmMakefile::CreateTest(const char* testName)

Source/cmMakefile.h

@@ -167,6 +167,8 @@ public:
   void AddDefineFlag(const char* definition);
   void RemoveDefineFlag(const char* definition);
 
+  cmTarget* AddNewTarget(cmTarget::TargetType type, const char* name, bool isImported);
+  
   /**
    * Add an executable to the build.
    */
@@ -416,8 +418,9 @@ public:
    * Get the list of targets
    */
   cmTargets &GetTargets() { return this->Targets; }
+  const cmTargets &GetImportedTargets() const { return this->ImportedTargets; }
 
-  cmTarget* FindTarget(const char* name);
+  cmTarget* FindTarget(const char* name, bool useImportedTargets);
 
 
   /**
@@ -741,6 +744,7 @@ protected:
 
   // libraries, classes, and executables
   cmTargets Targets;
+  cmTargets ImportedTargets;
   std::vector<cmSourceFile*> SourceFiles;
 
   // Tests

Source/cmMakefileTargetGenerator.cxx

@@ -1194,7 +1194,7 @@ void cmMakefileTargetGenerator
       {
       // Depend on other CMake targets.
       if(cmTarget* tgt =
-         this->GlobalGenerator->FindTarget(0, lib->first.c_str()))
+         this->GlobalGenerator->FindTarget(0, lib->first.c_str(), false))
         {
         if(const char* location =
            tgt->GetLocation(this->LocalGenerator->ConfigurationName.c_str()))

Source/cmSetTargetPropertiesCommand.cxx

@@ -96,7 +96,7 @@ bool cmSetTargetPropertiesCommand
                cmMakefile *mf)
 {
   cmTarget* target = 
-    mf->GetLocalGenerator()->GetGlobalGenerator()->FindTarget(0, tname);
+    mf->GetLocalGenerator()->GetGlobalGenerator()->FindTarget(0, tname, true);
   if ( target)
     {
     // now loop through all the props and set them

Source/cmTarget.cxx

@@ -38,7 +38,7 @@ cmTarget::cmTarget()
   this->LinkDirectoriesComputed = false;
   this->HaveInstallRule = false;
   this->DLLPlatform = false;
-
+  this->IsImportedTarget = false;
 }
 
 // define properties
@@ -90,7 +90,7 @@ void cmTarget::DefineProperties(cmake *cm)
 
   cm->DefineProperty
     ("EchoString", cmProperty::TARGET, 
-     "A message to be displayed when the target it built.",
+     "A message to be displayed when the target is built.",
      "A message to display on some generaters (such as makefiles) when "
      "the target is built.");
 
@@ -424,8 +424,8 @@ cmTarget
       {
       std::string command = *cit->begin();
       // see if we can find a target with this name
-      cmTarget* t =  this->Makefile->GetLocalGenerator()->
-                     GetGlobalGenerator()->FindTarget ( 0, command.c_str() );
+      cmTarget* t = this->Makefile->GetLocalGenerator()->
+                    GetGlobalGenerator()->FindTarget(0, command.c_str(), false);
       if ( ( t ) && ( t->GetType() ==cmTarget::EXECUTABLE ) )
         {
         this->AddUtility ( command.c_str() );
@@ -577,7 +577,7 @@ void cmTarget::TraceVSDependencies(std::string projFile,
         const std::string& currentCommand = (*it)[0];
         // see if we can find a target with this name
         cmTarget* t =  this->Makefile->GetLocalGenerator()->
-            GetGlobalGenerator()->FindTarget(0, currentCommand.c_str());
+            GetGlobalGenerator()->FindTarget(0, currentCommand.c_str(), false);
         if (( t) && (t->GetType()==cmTarget::EXECUTABLE))
           {
           automaticTargetDepends.push_back(currentCommand);
@@ -600,7 +600,7 @@ void cmTarget::TraceVSDependencies(std::string projFile,
         bool isUtility = false;
         // see if we can find a target with this name
         cmTarget* t =  this->Makefile->GetLocalGenerator()->
-          GetGlobalGenerator()->FindTarget(0, dep.c_str());
+          GetGlobalGenerator()->FindTarget(0, dep.c_str(), false);
         if(t)
           {
           // if we find the target and the dep was given as a full
@@ -783,7 +783,7 @@ const std::vector<std::string>& cmTarget::GetLinkDirectories()
          this->Makefile->GetLocalGenerator()->GetGlobalGenerator())
         {
         tgt = (this->Makefile->GetLocalGenerator()->GetGlobalGenerator()
-               ->FindTarget(0, lib.c_str()));
+               ->FindTarget(0, lib.c_str(), false));
         }
       if(tgt)
         {
@@ -1220,7 +1220,31 @@ void cmTarget::SetProperty(const char* prop, const char* value)
   this->Properties.SetProperty(prop, value, cmProperty::TARGET);
 }
 
+void cmTarget::MarkAsImported()
+{
+  this->IsImportedTarget = true;
+}
+
 const char* cmTarget::GetDirectory(const char* config, bool implib)
+{
+  if (this->IsImported())
+    {
+    return this->ImportedGetDirectory(config, implib);
+    }
+  else
+    {
+    return this->NormalGetDirectory(config, implib);
+    }
+}
+
+const char* cmTarget::ImportedGetDirectory(const char* config, bool implib)
+{
+  const char* location=this->GetLocation(config);
+  std::string directory=cmSystemTools::GetFilenamePath(location);
+  return directory.c_str();
+}
+
+const char* cmTarget::NormalGetDirectory(const char* config, bool implib)
 {
   if(config && *config)
     {
@@ -1237,6 +1261,34 @@ const char* cmTarget::GetDirectory(const char* config, bool implib)
 }
 
 const char* cmTarget::GetLocation(const char* config)
+{
+  if (this->IsImported())
+    {
+    return this->ImportedGetLocation(config);
+    }
+  else
+    {
+    return this->NormalGetLocation(config);
+    }
+}
+
+const char* cmTarget::ImportedGetLocation(const char* config)
+{
+  if ((config) && (strlen(config)))
+    {
+    std::string propertyName=config;
+    propertyName+="_LOCATION";
+    const char* configLocation=this->GetProperty(propertyName.c_str());
+    if ((configLocation) && (strlen(configLocation)))
+      {
+      return configLocation;
+      }
+    }
+    
+  return this->GetProperty("LOCATION");  
+}
+
+const char* cmTarget::NormalGetLocation(const char* config)
 {
   this->Location = this->GetDirectory();
   if(!this->Location.empty())
@@ -1283,6 +1335,11 @@ const char *cmTarget::GetProperty(const char* prop)
 
 void cmTarget::ComputeObjectFiles()
 {
+  if (this->IsImported())
+    {
+    return;
+    }
+
   // Force the SourceFiles vector to be populated
   this->GenerateSourceFilesFromSourceLists(*this->Makefile);
   std::vector<std::string> dirs;
@@ -1336,33 +1393,43 @@ const char *cmTarget::GetProperty(const char* prop,
     return 0;
     }
 
-  // watch for special "computed" properties that are dependent on other
-  // properties or variables, always recompute them
-  if (!strcmp(prop,"LOCATION"))
-    {
-    // Set the LOCATION property of the target.  Note that this cannot take
-    // into account the per-configuration name of the target because the
-    // configuration type may not be known at CMake time.  We should
-    // deprecate this feature and instead support transforming an executable
-    // target name given as the command part of custom commands into the
-    // proper path at build time.  Alternatively we could put environment
-    // variable settings in all custom commands that hold the name of the
-    // target for each configuration and then give a reference to the
-    // variable in the location.
-    this->SetProperty("LOCATION", this->GetLocation(0));
-    }
-
-  // Per-configuration location can be computed.
-  int len = static_cast<int>(strlen(prop));
-  if(len > 9 && strcmp(prop+len-9, "_LOCATION") == 0)
-    {
-    std::string configName(prop, len-9);
-    this->SetProperty(prop, this->GetLocation(configName.c_str()));
-    }
-  
-  if(strcmp(prop, "OBJECT_FILES") == 0)
+    // don't use GetLocation() for imported targets, because there this
+    // calls GetProperty() to get the location...
+    if (!this->IsImported())
+      {
+      // watch for special "computed" properties that are dependent on other
+      // properties or variables, always recompute them
+      if (!strcmp(prop,"LOCATION"))
+        {
+        // Set the LOCATION property of the target.  Note that this cannot take
+        // into account the per-configuration name of the target because the
+        // configuration type may not be known at CMake time.  We should
+        // deprecate this feature and instead support transforming an executable
+        // target name given as the command part of custom commands into the
+        // proper path at build time.  Alternatively we could put environment
+        // variable settings in all custom commands that hold the name of the
+        // target for each configuration and then give a reference to the
+        // variable in the location.
+        this->SetProperty("LOCATION", this->GetLocation(0));
+        }
+    
+      // Per-configuration location can be computed.
+      int len = static_cast<int>(strlen(prop));
+      if(len > 9 && strcmp(prop+len-9, "_LOCATION") == 0)
+        {
+        std::string configName(prop, len-9);
+        this->SetProperty(prop, this->GetLocation(configName.c_str()));
+        }
+      
+      if(strcmp(prop, "OBJECT_FILES") == 0)
+        {
+        this->ComputeObjectFiles();
+        }
+      }
+    
+  if (strcmp(prop,"IMPORTED") == 0)
     {
-    this->ComputeObjectFiles();
+    return this->IsImported()?"TRUE":"FALSE";
     }
 
   // the type property returns what type the target is
@@ -1607,13 +1674,48 @@ std::string cmTarget::GetFullNameInternal(TargetType type, const char* config,
   return prefix+base+suffix;
 }
 
-//----------------------------------------------------------------------------
 void cmTarget::GetFullNameInternal(TargetType type,
-                                   const char* config,
-                                   bool implib,
-                                   std::string& outPrefix,
-                                   std::string& outBase,
-                                   std::string& outSuffix)
+                                         const char* config,
+                                         bool implib,
+                                         std::string& outPrefix,
+                                         std::string& outBase,
+                                         std::string& outSuffix)
+{
+  if (this->IsImported())
+    {
+    this->ImportedGetFullNameInternal(type, config, implib,
+                                      outPrefix, outBase, outSuffix);
+    }
+  else
+    {
+    this->NormalGetFullNameInternal(type, config, implib,
+                                    outPrefix, outBase, outSuffix);
+    }
+}
+
+void cmTarget::ImportedGetFullNameInternal(TargetType type,
+                                         const char* config,
+                                         bool implib,
+                                         std::string& outPrefix,
+                                         std::string& outBase,
+                                         std::string& outSuffix)
+{
+  // find the basename, suffix and prefix from getLocation()
+  // implib ?
+  std::string location=this->GetLocation(config);
+  outBase=cmSystemTools::GetFilenameWithoutExtension(location);
+  outSuffix = cmSystemTools::GetFilenameExtension(location);
+  outPrefix.clear();
+}
+
+
+//----------------------------------------------------------------------------
+void cmTarget::NormalGetFullNameInternal(TargetType type,
+                                         const char* config,
+                                         bool implib,
+                                         std::string& outPrefix,
+                                         std::string& outBase,
+                                         std::string& outSuffix)
 {
   // Use just the target name for non-main target types.
   if(type != cmTarget::STATIC_LIBRARY &&

Source/cmTarget.h

@@ -44,7 +44,7 @@ public:
   /**
    * Return the type of target.
    */
-  TargetType GetType()
+  TargetType GetType() const
     {
       return this->TargetTypeValue;
     }
@@ -54,6 +54,8 @@ public:
    */
   void SetType(TargetType f, const char* name);
 
+  void MarkAsImported();
+  
   ///! Set/Get the name of the target
   const char* GetName() const {return this->Name.c_str();}
 
@@ -161,6 +163,8 @@ public:
   const char *GetProperty(const char *prop);
   const char *GetProperty(const char *prop, cmProperty::ScopeType scope);
   bool GetPropertyAsBool(const char *prop);
+  
+  bool IsImported() const {return this->IsImportedTarget;}
 
   /** Get the directory in which this target will be built.  If the
       configuration name is given then the generator will add its
@@ -327,6 +331,7 @@ private:
   void GetFullNameInternal(TargetType type, const char* config, bool implib,
                            std::string& outPrefix, std::string& outBase,
                            std::string& outSuffix);
+  
   void GetLibraryNamesInternal(std::string& name,
                                std::string& soName,
                                std::string& realName,
@@ -348,6 +353,19 @@ private:
   // Get the full path to the target output directory.
   const char* GetOutputDir(bool implib);
 
+  const char* ImportedGetLocation(const char* config);
+  const char* NormalGetLocation(const char* config);
+  
+  void NormalGetFullNameInternal(TargetType type, const char* config, bool implib,
+                           std::string& outPrefix, std::string& outBase,
+                           std::string& outSuffix);
+  void ImportedGetFullNameInternal(TargetType type, const char* config, bool implib,
+                           std::string& outPrefix, std::string& outBase,
+                           std::string& outSuffix);
+  
+  const char* ImportedGetDirectory(const char* config, bool implib);
+  const char* NormalGetDirectory(const char* config, bool implib);
+  
 private:
   std::string Name;
   std::vector<cmCustomCommand> PreBuildCommands;
@@ -376,6 +394,7 @@ private:
   cmPropertyMap Properties;
   LinkLibraryVectorType OriginalLinkLibraries;
   bool DLLPlatform;
+  bool IsImportedTarget;
 
   // The cmMakefile instance that owns this target.  This should
   // always be set.