--- a/gsm-fw/g23m-gsm/sim/Makefile	Mon Oct 06 18:33:53 2014 +0000
+++ b/gsm-fw/g23m-gsm/sim/Makefile	Sat Oct 11 20:40:52 2014 +0000
@@ -1,5 +1,13 @@
-# stub Makefile, to be filled out
-all:
+CC=	arm-elf-gcc
+LD=	arm-elf-ld
+
+CFLAGS=	-O2 -fno-builtin -mthumb-interwork -mthumb
+CPPFLAGS=-I. -I../../include -I../../include/condat -I../../gpf/inc \
+	-I../../cdginc
+
+OBJS=	sim_app.o
+
+all:	${OBJS}
 
 clean:
 	rm -f *.[oa] *.out *errs