diff --git a/mach/sun3/libcc/Makefile b/mach/sun3/libcc/Makefile
new file mode 100644
index 000000000..c4ab9d4c5
--- /dev/null
+++ b/mach/sun3/libcc/Makefile
@@ -0,0 +1,38 @@
+SUF=o
+MAKEFILE=../../proto/libg/Makefile
+MACHDEF="MACH=sun3" "SUF=$(SUF)" "ASAR=aal"
+STDIO="PREF=cc" "SUB=.1s" "SRC=lang/cem/libcc/stdio"
+GEN="PREF=cc" "SUB=.2g" "SRC=lang/cem/libcc/gen"
+MON="PREF=mon" "SRC=lang/cem/libcc/mon"
+
+install:	cpstdio cpgen
+
+cpstdio:
+		make -f $(MAKEFILE) $(STDIO) $(MACHDEF) tailcp
+cpgen:
+		make -f $(MAKEFILE) $(GEN) $(MACHDEF) cp
+cpmon:
+		make -f $(MAKEFILE) $(MON) $(MACHDEF) tailcp
+
+cmp:		cmpstdio cmpgen
+
+cmpstdio:
+		make -f $(MAKEFILE) $(STDIO) $(MACHDEF) tail
+		-../../compare tail_cc.1s
+cmpgen:
+		make -f $(MAKEFILE) $(GEN) $(MACHDEF) head
+		-../../compare head_cc
+		make -f $(MAKEFILE) $(GEN) $(MACHDEF) tail
+		-../../compare tail_cc.2g
+cmpmon:
+		make -f $(MAKEFILE) $(MON) $(MACHDEF) tail
+		-../../compare tail_mon
+
+clean:
+		-rm -f *.old *.[ce$(SUF)] tail* head*
+
+opr:
+		make pr | opr
+
+pr:
+		@pr Makefile
diff --git a/mach/sun3/libcc/compmodule b/mach/sun3/libcc/compmodule
new file mode 100755
index 000000000..1b2935c70
--- /dev/null
+++ b/mach/sun3/libcc/compmodule
@@ -0,0 +1,6 @@
+if ${MACH?} -I../../../h -DBSD4_2 ${MACHFL?} $1 1>&2
+then
+	echo `basename $1 $2`.o
+else
+	exit 1
+fi