I'll look into it now.
I've described why it gets invoked every time :-)
Essentially, deb.make gets included every time, and as part of assignment
of a value to one of the variables, dpkg gets invoked. ("What are our
dependencies? Let's look at which *Debian package* version of gnustep-make
is installed.")
Should it be calculated only when the target building a Debian package is
invoked? Yes. How can you do that? As far as I know, you can't, really. You
can't calculate a variable conditionally, only if a certain target will be
built. (If that's possible, I'd love to be educated on how to do it.)
If I understand it correctly, it's possible to 'delay' evaluation of
$(shell command_here). For what I'm using this calculation of the
environment variable, however, that is not the case; the values are
exported into environment to be written into a Debian control file by a
sub-script.
Luckily, however, the variable export had to be done in a 'sub-make'.
(Otherwise the 'export' statement in the top level of a makefile breaks the
build system completely). The target being executed in sub-make is only
visible if an environment variable is set appropriately -- it's hidden
behind an if. So what I will reluctantly do is move the calculation of this
variable into the 'else' block of this if.
On Sat Jun 07 2014 at 6:09:39 PM, Riccardo Mottola <
[email protected]> wrote:
> Hi,
>
> Ivan Vučica wrote:
> > Whoops. This sounds like it's my mistake while trying to detect
> > version of gnustep-make on the machine, to generate dependencies for
> > binary Debian packages.
> >
> > In theory, it should not be ever happening unless you punch in "make
> > debfile" or "make deb". Unfortunately I messed up.
> di dyou have time to investigate this futher? I noticeed that when
> building on debian (from source, plain, not inside dpkg) I get warnings
> about the parameter used.
> Why do you always invoke it??
>
> Riccardo
>
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