Date: Wed, 12 Mar 2008 20:04:57 +0100 From: Mel <fbsd.questions@rachie.is-a-geek.net> To: freebsd-questions@freebsd.org, stevefranks@ieee.org Subject: Re: OT: how to get make to run a script before each build Message-ID: <200803122004.57433.fbsd.questions@rachie.is-a-geek.net> In-Reply-To: <539c60b90803121123p1c4e670bx4a7b5348413f8634@mail.gmail.com> References: <539c60b90803111715g5fbbdd0cg4ce817ef72a8161d@mail.gmail.com> <200803120146.14003.fbsd.questions@rachie.is-a-geek.net> <539c60b90803121123p1c4e670bx4a7b5348413f8634@mail.gmail.com>
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On Wednesday 12 March 2008 19:23:40 Steve Franks wrote:
> On Tue, Mar 11, 2008 at 5:46 PM, Mel
>
> <fbsd.questions@rachie.is-a-geek.net> wrote:
> > On Wednesday 12 March 2008 01:15:52 Steve Franks wrote:
> > > I'd like to keep track of how many times I've run make for a given
> > > source. I'm sure someone knows how to get make to run a script before
> > > doing anything else, but using the regular build rules (aka. only if a
> > > source file has changed). Of course typing any permutation of this
> > > question into google gives me 10^life of universe in microseconds
> > > hits.
> >
> > mysource.c.o:
> > count=`cat /var/db/makecounter.${.IMPSRC}`
> > count=$$(($$count+1))
> > echo $$count >/var/db/makecounter.${.IMPSRC}
> > ${CC} ${CFLAGS} -c ${.IMPSRC}
> >
> > or something to that effect, key being, change/override the compilation
> > rule for your specific or all files.
> > Default single/double suffix rules are in /usr/share/mk/sys.mk.
> > --
> > Mel
> >
> > Problem with today's modular software: they start with the modules
> > and never get to the software part.
>
> Ah! Sorry, I was asking for the make rule, not the script. Which is
> to say, what am I doing wrong here:
>
> %.elf: $(TARGET)BuildNum $(AOBJARM) $(AOBJ) $(COBJARM) $(COBJ)
> $(CPPOBJ) $(CPPOBJARM) $(LIBS)
> ...
>
> #increment build number
> $(TARGET)BuildNum: %$(TARGET)BuildNum : *.h *.hpp *.c *.cpp
> btracer $(TARGET)
>
> gives:
>
> gmake: *** No rule to make target `*.h', needed by `MainBuildNum'. Stop.
Sorry, gmake not my cup of tea, but looks like *.h isn't expanded.
--
Mel
Problem with today's modular software: they start with the modules
and never get to the software part.
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