[OE-core] Why do we allow empty -dev/-dbg packages ?

[Martin Jansa]

On Tue, Dec 31, 2013 at 09:49:21AM +0800, ChenQi wrote:
> Hi All,
> 
> This might be a dummy question, but it has been puzzling me for some 
> time. So if someone could give me some explanation, that would be really 
> appreciated.
> 
> In bitbake.conf, we have:
> ALLOW_EMPTY_${PN}-dev = "1"
> ALLOW_EMPTY_${PN}-dbg = "1"
> 
> That means we allow emtpy -dev/-dbg packages. But what are the benefits 
> of these empty -dev/-dbg packages?

In some cases it's useful to satisfy default dependcencies:
bitbake.conf:RDEPENDS_${PN}-staticdev = "${PN}-dev (= ${EXTENDPKGV})"

and -dev needs ${PN} even when it's empty in some recipes where all
files are split into separate packages
bitbake.conf:RDEPENDS_${PN}-dev = "${PN} (= ${EXTENDPKGV})"

Not sure about -dbg one.

-- 
Martin 'JaMa' Jansa     jabber: Martin.Jansa at gmail.com
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