diff --git a/lib/sun2/descr b/lib/sun2/descr
new file mode 100644
index 000000000..53c8e88bb
--- /dev/null
+++ b/lib/sun2/descr
@@ -0,0 +1,67 @@
+# $Revision$
+var w=4
+var p=4
+var s=2
+var l=4
+var f=4
+var d=8
+var NAME=sun
+var M=m68k4
+var P=sun2
+var LIB=lib/{P}/tail_
+var RT=lib/{P}/head_
+var PLIB=lib/{M}/tail_
+var PRT=lib/{M}/head_
+var CPP_F=-Dunix=unix
+var INCLUDES=-I{EM}/include/_tail_cc
+# 413 align is the default, rom in text
+var ALIGN=-a0:2 -a1:2 -a2:0x20000 -a3:2 -b0:0x2020
+name be
+	from .m.g
+	to .s
+	program {EM}/lib/{M}/cg
+	args <
+	stdout
+	need .e
+end
+name asopt
+	from .s
+	to .so
+	program {EM}/lib/m68k2/top
+	args
+	optimizer
+	stdin
+	stdout
+end
+name as
+	from .s.so
+	to .o
+	program {EM}/lib/m68k2/as
+	args - -o > <
+	prep cond
+end
+name led
+	from .o.a
+	to .out
+	program {EM}/lib/em_led
+	mapflag -l* LNAME={EM}/{LIB}*
+	mapflag -n ALIGN=-a0:2 -a1:2 -a2:0x20000 -a3:2 -b0:0x2000
+	mapflag -nr ALIGN=-a0:2 -a1:0x20000 -a2:2 -a3:2 -b0:0x2000
+	mapflag -N ALIGN=-a0:2 -a1:2 -a2:2 -a3:2 -b0:0x2000
+	mapflag -r ALIGN=-a0:2 -a1:0x20000 -a2:2 -a3:2 -b0:0x2020
+	args (.e:{HEAD}= {ALIGN} {EM}/{RT}em) \
+({RTS}:.ocm.b.c={EM}/{RT}cc) ({RTS}:.p={EM}/{PRT}pc) -o > < \
+		(.p:{TAIL}={EM}/{PLIB}pc) \
+		(.b:{TAIL}={EM}/{PLIB}bc) \
+		(.ocm:{TAIL}={EM}/{PLIB}ocm) \
+		(.ocm.b.c:{TAIL}={EM}/{LIB}cc.1s {EM}/{LIB}cc.2g) \
+		(.e:{TAIL}={EM}/{PLIB}em {EM}/{LIB}mon {EM}/lib/{M}/end_em)
+	linker
+end
+name cv
+	from .out
+	to .cv
+	program {EM}/lib/{P}/cv
+	args < >
+	outfile a.out
+end
diff --git a/mach/sun2/Action b/mach/sun2/Action
new file mode 100644
index 000000000..e84909b95
--- /dev/null
+++ b/mach/sun2/Action
@@ -0,0 +1,9 @@
+name "Ack.out --> SUN2 a.out format conversion program"
+dir cv
+end
+name "SUN2 systemcall library"
+dir libsys
+end
+name "SUN2 C libraries"
+dir libcc
+end