Don't overwrite users config.h if config.def.h is changed.

diff --git a/Makefile b/Makefile
index 5358867..2f2192f 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -17,15 +17,17 @@ src/hints.js.h: src/hints.js
        @echo "minify $<"
        @cat $< | src/js2h.sh > $@
 
+$(OBJ): src/config.h config.mk
+
 $(TARGET): $(OBJ)
        @echo "$(CC) $@"
        @$(CC) $(OBJ) -o $(TARGET) $(LDFLAGS)
 
-src/config.h: src/config.def.h
+src/config.h:
        @echo create $@ from src/config.def.h
        @cp src/config.def.h $@
 
-%.o: %.c %.h src/config.h
+%.o: %.c %.h
        @echo "${CC} $<"
        @$(CC) -c -o $@ $< $(CPPFLAGS) $(CFLAGS)