#
CC = gcc
#
CFLAGS = -c -g $(SDL_CFLAGS) -DUSE_SDL=1 -DPLATFORM_UNIX=1 -W -Wall -Wno-unused $(EXTRACFLAGS) -funsigned-char
#
 
#
ifeq ($(strip $(macosx)),true)
#
OPTIMIZE = -O3 -mdynamic-no-pic -falign-loops=16
#
else
#
OPTIMIZE = -O2
#
endif
...........................................................
à la place de ce qu'il y a au dessus tu met ça
.....................................................
#
CC = gcc
#
CFLAGS = -c -g $(SDL_CFLAGS) -DUSE_SDL=1 -DPLATFORM_UNIX=1 -O2 -fgcse-after-reload -floop-optimize2 -ftracer -pipe -fomit-frame-pointer $(EXTRACFLAGS) -funsigned-char
#
CXXFLAGS="${CFLAGS} -enable-gcc-hidden-visibility" 

#
ifeq ($(strip $(macosx)),true)
#
#OPTIMIZE = 
#
else
#
#OPTIMIZE = -O2
#
endif