Rename client, prepare Makefile for more clients.

Makefile

@@ -1,7 +1,9 @@
 CFLAGS +=  -Wall -g $(shell pkg-config --cflags libffi libdrm)
 LDLIBS += $(shell pkg-config --libs libffi libdrm)
 
-all : wayland client
+clients = flower
+
+all : wayland $(clients)
 
 wayland_objs = wayland.o event-loop.o connection.o hash.o input.o egl-compositor.o
 wayland : CFLAGS += -I../eagle
@@ -15,12 +17,19 @@ libwayland_objs = wayland-client.o connection.o
 libwayland.so : $(libwayland_objs)
 	gcc -o $@ $(libwayland_objs) -shared
 
-client_objs = client.o
+flower_objs = flower.o
-client : CFLAGS += $(shell pkg-config --cflags cairo)
-client : LDLIBS += $(shell pkg-config --libs cairo)
 
-client : $(client_objs) libwayland.so
+$(clients) : CFLAGS += $(shell pkg-config --cflags cairo)
-	gcc -o $@ -L. -lwayland $(LDLIBS) $(client_objs)
+$(clients) : LDLIBS += $(shell pkg-config --libs cairo)
+
+define client_template
+$(1): $$($(1)_objs) libwayland.so
+endef
+
+$(foreach c,$(clients),$(eval $(call client_template,$(c))))
+
+$(clients) :
+	gcc -o $@ -L. -lwayland $(LDLIBS) $^
 
 clean :
-	rm -f client wayland *.o libwayland.so
+	rm -f $(clients) wayland *.o libwayland.so