diff --git a/makefile b/makefile
index 1be0d3fb219..7f71cbc4a7c 100644
--- a/makefile
+++ b/makefile
@@ -98,7 +98,7 @@ endif
 #-------------------------------------------------
 
 # uncomment next line to build a debug version
-DEBUG = 1
+# DEBUG = 1
 
 # uncomment next line to include the internal profiler
 # PROFILER = 1
@@ -128,13 +128,13 @@ BUILD_EXPAT = 1
 BUILD_ZLIB = 1
 
 # uncomment next line to include the symbols
-# SYMBOLS = 1
+SYMBOLS = 1
 
 # uncomment next line to include profiling information from the compiler
 # PROFILE = 1
 
 # uncomment next line to generate a link map for exception handling in windows
-# MAP = 1
+MAP = 1
 
 # uncomment next line to generate verbose build information
 # VERBOSE = 1