-#SHARED_LD_OPT=-shared # For Linux (ACL,LW,CMUCL)
-#SHARED_LD_OPT=-r # For Linux and Solaris (CMUCL)
-SHARED_LD_OPT=-Bshareable -Bdynamic # For Linux (ALL) and FreeBSD (ACL)
+SHARED_LD_OPT=-shared # For Linux (ALL) and FreeBSD (ACL)
+
+# For MacOSX (ACL)
+# cc -dynamic -c c-test-fns.c -o foo.o
+# ld -bundle /usr/lib/bundle1.o -flat_namespace -undefined suppress -o
+# c-test-fns.dylib foo.o