[CMake] Better handling of library dependencies for CPack

[Rosen Diankov]

That's a great idea! So we'll have a 3 tier depends checking then?

X_DEPENDS_DISTRO_VERSION
X_DEPENDS_DISTRO
X_DEPENDS

i'm not sure how opensuse works, but in ubuntu/debian all packages
need to be signed with the codename of the OS, not the version (in the
debian/changelog). therefore

X_DEPENDS_DISTRO_CODENAME

might be more appropriate

rosen,

2011/4/24 Rolf Eike Beer <eike at sf-mail.de>:
> Am Sonntag, 24. April 2011, 16:24:54 schrieb Rosen Diankov:
>> After thinking about it, perhaps it would make most sense to have
>> DISTRO be ubuntu, debian, fedora, etc, rather than the code name.
>
> Well, if you do a fallback from X_DEPENDS_DISTRO to X_DEPENDS, then why not
> implement also an X_DEPENDS_DISTRO_VERSION, like X_DEPENDS_OPENSUSE_11_4? Then
> you can still override that for one special version just with the same logic.
>
> A good example would be CMake itself: in older versions of openSUSE (like
> 11.0) CMake needs it's own libarchive while I can use the distro one in recent
> versions since it's new enough.
>
> Eike
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