Use -ggdb3 and -O0 when doing debug builds

Who cares about size??? These are debug builds!

Author: vpodzime

build-scripts/configure

@@ -79,7 +79,7 @@ case "$BUILD_TYPE" in
     ARGS="$ARGS --enable-debug"
     # Override the default "-g3 -O0" that comes with ./configure --enable-debug
     # in order to reduce the size of the packages
-    CFLAGS="-g2 -O1 $CFLAGS"
+    CFLAGS="-ggdb3 -O0 $CFLAGS"
     ;;
   CODE_COVERAGE)
     ARGS="$ARGS --enable-debug"