Use the cmDeleteAll algorithm for types derived from std::map.

Source/cmExportSetMap.cxx

@@ -25,12 +25,7 @@ cmExportSet* cmExportSetMap::operator[](const std::string &name)
 
 void cmExportSetMap::clear()
 {
-  for(std::map<std::string, cmExportSet*>::iterator it = this->begin();
-      it != this->end();
-      ++ it)
-    {
-    delete it->second;
-    }
+  cmDeleteAll(*this);
   this->derived::clear();
 }
 

Source/cmGlobalGenerator.cxx

@@ -1510,11 +1510,7 @@ void cmGlobalGenerator::CreateGeneratorTargets()
 //----------------------------------------------------------------------------
 void cmGlobalGenerator::ClearGeneratorMembers()
 {
-  for(cmGeneratorTargetsType::iterator i = this->GeneratorTargets.begin();
-      i != this->GeneratorTargets.end(); ++i)
-    {
-    delete i->second;
-    }
+  cmDeleteAll(this->GeneratorTargets);
   this->GeneratorTargets.clear();
 
   cmDeleteAll(this->EvaluationFiles);

Source/cmTarget.cxx

@@ -539,12 +539,7 @@ void cmTarget::ClearLinkMaps()
   this->Internal->LinkInterfaceUsageRequirementsOnlyMap.clear();
   this->Internal->LinkClosureMap.clear();
   this->Internal->SourceFilesMap.clear();
-  for (cmTargetLinkInformationMap::const_iterator it
-      = this->LinkInformation.begin();
-      it != this->LinkInformation.end(); ++it)
-    {
-    delete it->second;
-    }
+  cmDeleteAll(this->LinkInformation);
   this->LinkInformation.clear();
 }
 
@@ -6874,10 +6869,7 @@ cmTargetLinkInformationMap
 //----------------------------------------------------------------------------
 cmTargetLinkInformationMap::~cmTargetLinkInformationMap()
 {
-  for(derived::iterator i = this->begin(); i != this->end(); ++i)
-    {
-    delete i->second;
-    }
+  cmDeleteAll(*this);
 }
 
 //----------------------------------------------------------------------------