[PATCH] Split out e2fsprogs sublibraries

Eric Sandeen sandeen at redhat.com
Fri Feb 20 17:18:10 UTC 2009

Richard W.M. Jones wrote:
> Eric,
> I would like to propose that e2fsprogs generate four subpackages for
> the independent libraries that it contains.  These four libraries are
> used by other packages that don't need the whole of e2fsprogs-devel
> (eg. krb5_workstation uses libss, qpid uses libuuid, and many programs
> use libcom_err).
> Our specific use case is to help with ongoing work porting libraries
> to MinGW (http://fedoraproject.org/wiki/MinGW) where we would prefer
> to package mingw32-libuuid for mingw32-qpidc without needing to port
> the whole of e2fsprogs.
> I looked at Debian's package, and would like to propose a split along
> the same lines:
>   http://packages.debian.org/source/lenny/e2fsprogs
> Despite the apparent complexity, there are only really four
> subpackages.  For the Fedora package we would create:
>   libblkid      libblkid-devel
>   libcom_err    libcom_err-devel       [note 1]
>   libss         libss-devel
>   libuuid       libuuid-devel
> There are no conflicting package names in Fedora at the moment, except
> for the similarly named libss7 (a library implementing Signalling
> System 7 telephone switching protocol).
> I have attached a patch against Rawhide which does the above split.  I
> set up the dependencies so there should be no loss of functionality
> for users who install just e2fsprogs or e2fsprogs-devel.
> What remains is to advertize the split on fedora-devel-list and
> encourage package maintainers to replace:
>   BuildRequires: e2fsprogs-devel
> with
>   BuildRequires: lib<uuid|ss|blkid|com_err>-devel
> where appropriate.
> Please let me know what you think.

Thanks, this has been on a back-burner for me for a while; I've been
meaning to do it but it just hasn't risen in priority.  Having a place
to start will help.  :)

There's a bug open already, too:

Bug 225406 - split out libcom_err and libuuid?

One potential wrinkle is that util-linux may be assimilating libblkid,
at least, in the future - but I suppose that if anything this may
facilitate that transition.

I'll look over this and let you know.  I like it in general, e2fsprogs
has turned into a bit of a ... junk-box of useful libraries.  :)


> Rich.
> [1] http://fedoraproject.org/wiki/Packaging/NamingGuidelines#Common_Character_Set_for_Package_Naming

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