BUG: fix for bug 2322, use CMAKE_EXECUTABLE_SUFFIX variable for exe suffix

Modules/CMakeGenericSystem.cmake

@@ -4,6 +4,7 @@ SET(CMAKE_STATIC_LIBRARY_PREFIX "lib")
 SET(CMAKE_STATIC_LIBRARY_SUFFIX ".a")
 SET(CMAKE_SHARED_LIBRARY_PREFIX "lib")          # lib
 SET(CMAKE_SHARED_LIBRARY_SUFFIX ".so")          # .so
+SET(CMAKE_EXECUTABLE_SUFFIX "")          # .exe
 SET(CMAKE_DL_LIBS "-ldl")
 SET(CMAKE_SHARED_LIBRARY_C_FLAGS "")            # -pic 
 SET(CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS "-shared")       # -shared

Modules/Platform/Windows-g77.cmake

@@ -3,6 +3,7 @@ SET(CMAKE_STATIC_LIBRARY_PREFIX "lib")
 SET(CMAKE_STATIC_LIBRARY_SUFFIX ".a")
 SET(CMAKE_SHARED_LIBRARY_PREFIX "lib")          # lib
 SET(CMAKE_SHARED_LIBRARY_SUFFIX ".dll")          # .so
+SET(CMAKE_EXECUTABLE_SUFFIX ".exe")          # .exe
 SET(CMAKE_SHARED_MODULE_PREFIX "lib")          # lib
 SET(CMAKE_SHARED_MODULE_SUFFIX ".dll")          # .so
 SET(CMAKE_DL_LIBS "")

Modules/Platform/Windows-gcc.cmake

@@ -5,6 +5,7 @@ SET(CMAKE_SHARED_LIBRARY_PREFIX "lib")          # lib
 SET(CMAKE_SHARED_LIBRARY_SUFFIX ".dll")          # .so
 SET(CMAKE_SHARED_MODULE_PREFIX "lib")          # lib
 SET(CMAKE_SHARED_MODULE_SUFFIX ".dll")          # .so
+SET(CMAKE_EXECUTABLE_SUFFIX ".exe")          # .exe
 SET(CMAKE_DL_LIBS "")
 SET(CMAKE_SHARED_LIBRARY_C_FLAGS "")            # -pic 
 SET(CMAKE_SHARED_LIBRARY_CXX_FLAGS "")            # -pic 

Modules/Platform/Windows.cmake

@@ -2,6 +2,7 @@ SET(CMAKE_STATIC_LIBRARY_PREFIX "")
 SET(CMAKE_STATIC_LIBRARY_SUFFIX ".lib")
 SET(CMAKE_SHARED_LIBRARY_PREFIX "")          # lib
 SET(CMAKE_SHARED_LIBRARY_SUFFIX ".dll")          # .so
+SET(CMAKE_EXECUTABLE_SUFFIX ".exe")          # .exe
 SET(CMAKE_LINK_LIBRARY_SUFFIX ".lib")
 SET(CMAKE_DL_LIBS "")
 

Source/cmTarget.cxx

@@ -914,6 +914,7 @@ const char* cmTarget::GetSuffixVariableInternal(TargetType type)
     case cmTarget::MODULE_LIBRARY:
       return "CMAKE_SHARED_MODULE_SUFFIX";
     case cmTarget::EXECUTABLE:
+      return "CMAKE_EXECUTABLE_SUFFIX";
     case cmTarget::UTILITY:
     case cmTarget::INSTALL_FILES:
     case cmTarget::INSTALL_PROGRAMS:
@@ -956,10 +957,6 @@ std::string cmTarget::GetFullNameInternal(TargetType type)
 {
   const char* targetPrefix = this->GetProperty("PREFIX");
   const char* targetSuffix = this->GetProperty("SUFFIX");
-  if(!targetSuffix && type == cmTarget::EXECUTABLE)
-    {
-    targetSuffix = cmSystemTools::GetExecutableExtension();
-    }
   const char* prefixVar = this->GetPrefixVariableInternal(type);
   const char* suffixVar = this->GetSuffixVariableInternal(type);
   const char* ll =