Use -arch flags
--- src/colorer/makefile.gcc.orig	2006-11-24 17:14:38.000000000 -0600
+++ src/colorer/makefile.gcc	2014-09-18 20:48:15.000000000 -0500
@@ -8,7 +8,7 @@
 include ../shared/makefile.colorer.gcc
 
 LIBINC = -lc -lm -lstdc++
-LIBFLAGS = $(objs) $(FLAGS) -o $(TARGET) $(LIBINC)
+LIBFLAGS = $(objs) $(FLAGS) -o $(TARGET) $(LIBINC) $(ARCHFLAGS)
 
 include makefile.core