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Re: Help about "Include" in Makefile

From: Ralf Wildenhues
Subject: Re: Help about "Include" in Makefile
Date: Sun, 1 Jul 2007 08:14:54 +0200
User-agent: Mutt/1.5.13 (2006-08-11)


* blippman wrote on Wed, Jun 27, 2007 at 09:15:48AM CEST:
> I have write a makefile like this:
> OBJS = $(patsubst %.cpp ,%.o,$(CPP))
> DEPS = $(patsubst %.cpp ,%.d,$(CPP))
> all : $(OBJS) $(DEPS)

> ...
> %.d : %.cpp
> ...
> -include $(DEPS)
> clean:
>     rm -f $(OBJS)
>     rm -f $(DEPS)
> we do make it will first generate the depend files (.d files);
> but when i do make clean, it also generate depend file before doing
> clean. what can i do to avoid this uncessary operation!

Well, you could use Automake to compute your dependencies, or a similar
technique to the one Automake uses.  It generates at the end of
configure a set of stub dependency files.


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