--- a/Makefile
+++ b/Makefile
@@ -2,32 +2,24 @@
 # Mixer.app Makefile
 #
 
-DESTDIR =
-GNUSTEP_BINDIR = /usr/local/GNUstep/Apps/Mixer.app
-X11_BINDIR = /usr/X11R6/bin
-
-CXX=c++
-CXXFLAGS += -Wall -pedantic -fno-rtti -fno-exceptions -O2 -I/usr/X11R6/include
-LDFLAGS += -L/usr/X11R6/lib -lXpm -lXext -lX11
+BINDIR = /usr/bin
+
+CXX ?= g++
+CXXFLAGS += -Wall -pedantic -fno-rtti -fno-exceptions
+LIBS = -lXpm -lXext -lX11
 
 OBJECTS = Main.o Mixer.o Xpm.o
 
 all: Mixer.app
 
 Mixer.app: $(OBJECTS)
-	$(CXX) $(OBJECTS) -o $@ $(LDFLAGS)
+	$(CXX) $(LDFLAGS) $(OBJECTS) -o $@ $(LIBS)
 
 .PHONY:	install clean distclean
 
-install: install-gnustep
-
-install-gnustep: all
-	install -d  $(DESTDIR)$(GNUSTEP_BINDIR)
-	install -m 0755 Mixer.app $(DESTDIR)$(GNUSTEP_BINDIR)/Mixer
-
-install-x11: all
-	install -d  $(DESTDIR)$(X11_BINDIR)
-	install -m 0755 Mixer.app $(DESTDIR)$(X11_BINDIR)/Mixer.app
+install: all
+	install -d  $(DESTDIR)$(BINDIR)
+	install -m 0755 Mixer.app $(DESTDIR)$(BINDIR)/Mixer.app
 
 clean:
 	rm -f *~ *.o