Added .align 2. Prevents end of bss to be odd.

Especially important for malloc, it distinguishes between
odd and even word pointers.

mach/pdp/libpc/Makefile

@@ -0,0 +1,21 @@
+MAKEFILE=../../proto/libg/Makefile
+MACHDEF="MACH=pdp -Rbe-p2" "SUF=s" "ASAR=ar"
+PCDEF="PREF=pc" "SUB=" "SRC=lang/pc/libpc"
+LIBDIR=../lib
+
+install:
+	make -f $(MAKEFILE) $(PCDEF) $(MACHDEF) cp
+
+cmp:
+	make -f $(MAKEFILE) $(PCDEF) $(MACHDEF) all
+	cmp head_pc $(LIBDIR)/head_pc
+	cmp tail_pc $(LIBDIR)/tail_pc
+
+clean:
+		-rm -f *.old *.[ce$(SUF)] tail* head*
+
+opr:
+	make pr | opr
+
+pr:
+	@pr Makefile

mach/pdp/libpc/compmodule

@@ -0,0 +1,2 @@
+${MACH?} -I../../../h ${MACHFL?} $1 1>&2
+echo `basename $1 $2`.o