Output include directories as LOG messages, not warnings.

Source/cmake.cxx

@@ -4394,6 +4394,10 @@ void cmake::IssueMessage(cmake::MessageType t, std::string const& text,
     isError = true;
     msg << "CMake Internal Error (please report a bug)";
     }
+  else if(t == cmake::LOG)
+    {
+    msg << "CMake Debug Log";
+    }
   else
     {
     msg << "CMake Warning";

Tests/RunCMake/include_directories/DebugIncludes-stderr.txt

@@ -1,4 +1,4 @@
-CMake Warning at DebugIncludes.cmake:8 \(include_directories\):
+CMake Debug Log at DebugIncludes.cmake:8 \(include_directories\):
   Used includes for target lll:
 
    \* .*/Tests/RunCMake/include_directories/one
@@ -7,7 +7,7 @@ CMake Warning at DebugIncludes.cmake:8 \(include_directories\):
 Call Stack \(most recent call first\):
   CMakeLists.txt:3 \(include\)
 +
-CMake Warning at DebugIncludes.cmake:13 \(set_property\):
+CMake Debug Log at DebugIncludes.cmake:13 \(set_property\):
   Used includes for target lll:
 
    \* .*/Tests/RunCMake/include_directories/three
@@ -15,7 +15,7 @@ CMake Warning at DebugIncludes.cmake:13 \(set_property\):
 Call Stack \(most recent call first\):
   CMakeLists.txt:3 \(include\)
 +
-CMake Warning at DebugIncludes.cmake:18 \(include_directories\):
+CMake Debug Log at DebugIncludes.cmake:18 \(include_directories\):
   Used includes for target lll:
 
    \* .*/Tests/RunCMake/include_directories/four
@@ -23,7 +23,7 @@ CMake Warning at DebugIncludes.cmake:18 \(include_directories\):
 Call Stack \(most recent call first\):
   CMakeLists.txt:3 \(include\)
 +
-CMake Warning at DebugIncludes.cmake:25 \(set_property\):
+CMake Debug Log at DebugIncludes.cmake:25 \(set_property\):
   Used includes for target lll:
 
    \* .*/Tests/RunCMake/include_directories/five