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Re: Writing get-orig-source targets to conform with policy

On Sun, Feb 17, 2008 at 06:19:14PM +0900, Emmet Hikory wrote:
> Bas Wijnen wrote:
> > The code you wrote here works for executing get-orig-source.  However,
> > it also runs uscan when trying to build any other target.
>     It doesn't run uscan for me when I call debian/rules clean.  My
> understanding of makefile variable definitions is that the use of :=
> determines the variable at parse time, and = determines the variable
> at runtime.

Ehm, yes, that's right.  I don't know why I wrote that, I did actually
do the test myself before sending the e-mail (with another Makefile, but
still testing for when shells were executed).

> By setting MEDIATOMB_VERSION with =, it will run uscan when the value
> is accessed.  By setting CURRENT_VERSION with ?= it sets the value
> only once, at time of first use.  Arguably, one might be able to set
> MEDIATOMB_VERSION with ?= to achieve the same effect, but I tend to be
> cautious.

I'm not sure what different versions of make do with this.  However,
for Debian packages we can assume a Debian system, and therefore GNU


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