Merge pull request #64 from czchen/feature/debug

Let --enable-debug define DEBUG instead of ENABLE_DEBUG in config.h

configure.ac

@@ -80,7 +80,7 @@ AC_SUBST(DEPS_LIBS)
 
 AC_ARG_ENABLE(debug,AS_HELP_STRING([--enable-debug],[enable debug]))
 if test "x$enable_debug" = "xyes"; then
-   AC_DEFINE(ENABLE_DEBUG, 1, "debug")
+   AC_DEFINE(DEBUG, 1, "debug")
 fi
 AM_CONDITIONAL(ENABLE_DEBUG, test "x$enable_debug" = "xyes")
 

include/r3_define.h

@@ -23,7 +23,7 @@ typedef unsigned char bool;
 #ifdef DEBUG
 
 #define info(fmt, ...) \
-            do { fprintf(stderr, fmt, __VA_ARGS__); } while (0)
+            do { fprintf(stderr, fmt, ##__VA_ARGS__); } while (0)
 
 #define debug(fmt, ...) \
         do { fprintf(stderr, "%s:%d:%s(): " fmt, __FILE__, \