a suffix rule takes no prerequisites, so make the deps explicit

1 files changed, 13 insertions, 8 deletions

diff --git a/Makefile b/Makefile
index 2587b62..9a09e7b 100644
--- a/Makefile
+++ b/Makefile
@@ -87,26 +87,31 @@ CFLAGS_debug = $(CFLAGS) $(OPTS_debug) $(FEATURES)
 CFLAGS_proxy = $(CFLAGS_production) -DWANT_SYNC_LIVE
 CFLAGS_proxy_debug = $(CFLAGS_debug) -DWANT_SYNC_LIVE
 
-$(BINARY): $(OBJECTS) $(HEADERS)
+$(BINARY): $(OBJECTS)
         $(CC) -o $@ $(OBJECTS) $(LDFLAGS)
         $(STRIP) $@
-$(BINARY).debug: $(OBJECTS_debug) $(HEADERS)
+$(BINARY).debug: $(OBJECTS_debug)
         $(CC) -o $@ $(OBJECTS_debug) $(LDFLAGS)
-proxy: $(OBJECTS_proxy) $(HEADERS)
+proxy: $(OBJECTS_proxy)
         $(CC) -o $@ $(OBJECTS_proxy) $(CFLAGS_production) $(LDFLAGS)
-proxy.debug: $(OBJECTS_proxy_debug) $(HEADERS)
+proxy.debug: $(OBJECTS_proxy_debug)
         $(CC) -o $@ $(OBJECTS_proxy_debug) $(LDFLAGS)
 
-.c.proxy.debug.o : $(HEADERS)
+$(OBJECTS): $(HEADERS)
+$(OBJECTS_debug): $(HEADERS)
+$(OBJECTS_proxy): $(HEADERS)
+$(OBJECTS_proxy_debug): $(HEADERS)
+
+.c.proxy.debug.o :
         $(CC) -c -o $@ $(CFLAGS_proxy_debug) $(<:.proxy.debug.o=.c)
 
-.c.proxy.o : $(HEADERS)
+.c.proxy.o :
         $(CC) -c -o $@ $(CFLAGS_proxy) $(<:.proxy.o=.c)
 
-.c.debug.o : $(HEADERS)
+.c.debug.o :
         $(CC) -c -o $@ $(CFLAGS_debug) $(<:.debug.o=.c)
 
-.c.o : $(HEADERS)
+.c.o :
         $(CC) -c -o $@ $(CFLAGS_production) $<
 
 # Unit tests. The modules under test are compiled straight into the test