diff --git a/mach/arm/liboc/.distr b/mach/arm/liboc/.distr
new file mode 100644
index 000000000..37100a8aa
--- /dev/null
+++ b/mach/arm/liboc/.distr
@@ -0,0 +1,2 @@
+Makefile
+compmodule
diff --git a/mach/arm/liboc/Makefile b/mach/arm/liboc/Makefile
new file mode 100644
index 000000000..a95885bd1
--- /dev/null
+++ b/mach/arm/liboc/Makefile
@@ -0,0 +1,20 @@
+SUF=so
+MAKEFILE=../../proto/libg/Makefile
+MACHDEF="MACH=arm" "SUF=$(SUF)"
+PCDEF="PREF=ocm" "SUB=" "SRC=lang/occam/lib"
+
+install:
+	make -f $(MAKEFILE) $(PCDEF) $(MACHDEF) tailcp
+
+cmp:
+	make -f $(MAKEFILE) $(PCDEF) $(MACHDEF) tail
+	-../../compare tail_ocm
+
+clean:
+		-rm -f *.old *.[ce$(SUF)] tail*
+
+opr:
+	make pr | opr
+
+pr:
+	@pr Makefile
diff --git a/mach/arm/liboc/compmodule b/mach/arm/liboc/compmodule
new file mode 100755
index 000000000..ef488b788
--- /dev/null
+++ b/mach/arm/liboc/compmodule
@@ -0,0 +1,6 @@
+if ${MACH?} -I../../../h ${MACHFL?} $1 1>&2
+then
+	echo `basename $1 $2`.so
+else
+	exit 1
+fi