diff -Naur esdl-0.96.0626/c_src/Makefile esdl-0.96.0626.tpg/c_src/Makefile
--- esdl-0.96.0626/c_src/Makefile	2006-06-26 13:26:48.000000000 +0000
+++ esdl-0.96.0626.tpg/c_src/Makefile	2007-06-18 01:51:25.000000000 +0000
@@ -26,7 +26,7 @@
 
   LIBS			= $(GL_LIBS) $(SDL_LIBS) -lm 
 
-  CFLAGS		= -g -O2 -funroll-loops -Wall -ffast-math -fpic \
+  CFLAGS		+= -funroll-loops -Wall -ffast-math -fpic \
 			-fomit-frame-pointer $(USE_GL_INCLUDE_DIR) -DSHM \
 			-DPTHREADS $(GL_INCS) $(SDL_INCS) $(ERL_INCS)