Update examples

testsuite/plugs/runplugs/Makefile

@@ -0,0 +1,30 @@
+GHCFLAGS=   -Onot $(GHC_EXTRA_OPTS)
+PKGFLAGS=   -package posix
+PKGFLAGS+=  -package plugins
+
+all: build
+
+build:
+	@$(GHC) $(GHCFLAGS) $(PKGFLAGS) $(EXTRAFLAGS) Main.hs -o runplugs
+include ../../../config.mk
+check: build
+	@(if [ -f "expected" ] ;\
+	  then \
+		actual_out="/tmp/hs-plugins-actual.out.$$$$"	   ;\
+		diff_out="/tmp/hs-plugins.diff.$$$$"		   ;\
+		cat test.in | ./runplugs > $$actual_out  2>&1 || true ;\
+		diff -u expected $$actual_out > $$diff_out || true ;\
+		if [ -s "$$diff_out" ] ; then \
+			echo "failed with:"	;\
+			cat "$$diff_out" | sed '1,3d' ;\
+		else \
+			echo "ok." 	;\
+		fi ;\
+		rm $$actual_out 	;\
+	 else \
+		cat test.in | ./runplugs 2>&1 || true ;\
+	 fi)
+clean:
+	rm -rf *.hi *.o *~ *.dep ./runplugs
+
+include ../../../config.mk