Description: Allow CXXFLAGS from the environment to override Makefile defaults
Author: Damyan Ivanov <dmn@debian.org>
Forwarded: cyx@users.sourceforge.net

--- a/Makefile
+++ b/Makefile
@@ -6,8 +6,9 @@ DEFINES = -DBYPASS_PROTECTION
 #DEFINES = -DBYPASS_PROTECTION -DENABLE_PASSWORD_MENU -DNDEBUG
 
 CXX = g++
+EXT_CXXFLAGS := $(CXXFLAGS)
 CXXFLAGS := -g -O -Wall -Wuninitialized -Wshadow -Wimplicit -Wundef -Wreorder -Wnon-virtual-dtor -Wno-multichar
-CXXFLAGS += -MMD $(SDL_CFLAGS) -DUSE_ZLIB $(DEFINES)
+CXXFLAGS += -MMD $(SDL_CFLAGS) -DUSE_ZLIB $(DEFINES) $(EXT_CXXFLAGS)
 
 SRCS = collision.cpp cutscene.cpp file.cpp fs.cpp game.cpp graphics.cpp main.cpp menu.cpp \
 	mixer.cpp mod_player.cpp piege.cpp resource.cpp scaler.cpp seq_player.cpp sfx_player.cpp \