Tweak dependency generation options.

Add -MP, which creates a dummy rule for each header.  Drop -MF, which
appears redundant.

diff --git a/src/sdl/Makefile b/src/sdl/Makefile
index f95f28c239a103ef3aae9b8878e185a01d36799d..af002d8f03f9fac5de7b945e6c4313f2fb0605ea 100644 (file)
--- a/src/sdl/Makefile
+++ b/src/sdl/Makefile
@@ -30,7 +30,7 @@ clean:
 
 %.o: %.c
 %.o: %.c %.d
-       $(CC) -MMD -MF $*.d $(CFLAGS) -c $<
+       $(CC) -MMD -MP $(CFLAGS) -c $<
 
 $(DEPS):;