Re: rpm's zlib and deltarpms

[Michael Schroeder <mls suse de>]

On Wed, May 04, 2005 at 02:48:25PM -0400, Jeff Johnson wrote:
> >I just found out that the rsync patch applied to rpm's internal
> >zlib library makes it produce zlib-incompatible payloads. That is,
> >a decompress and recompress with normal zlib doesn't produce the
> >same output. Normally this doesn't do much harm, but with deltarpms
> >I need to reconstruct the exact compressed payload. So at the
> >moment deltarpms won't work with FC4 rpms.
> > 
> >
> 
> Link with -lrpmio to use same zlib that rpm uses.

Doesn't help, it's not about the system where applydeltarpm or
createdeltarpm is running on, but the system where the rpm got
built.

> From CHANGES, and has been in change logs:
>    - add https://svn.uhulinux.hu/packages/dev/zlib/patches/02-rsync.patch

Please do take a look into zlib FAQ entry #24 ;-)

Michael.

-- 
Michael Schroeder                                   mls suse de
main(_){while(_=~getchar())putchar(~_-1/(~(_|32)/13*2-11)*13);}