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From: Mel <fbsd.questions@rachie.is-a-geek.net>
To: freebsd-questions@freebsd.org,
 stevefranks@ieee.org
Date: Wed, 12 Mar 2008 20:04:57 +0100
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Subject: Re: OT: how to get make to run a script before each build
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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.