Re: MPFR 4

[James Paul Turner]

On Sat, 2019-07-06 at 19:47 +0100, James Paul Turner wrote:
>  On Mon, 2019-07-01 at 21:55 -0600, Jerry James wrote:
>  > Is anything happening with introducing MPFR 4 into Fedora?  I found
>  > these:
>  > 
>  > https://fedoraproject.org/wiki/Changes/mpfr-4.0.0
>  > https://bugzilla.redhat.com/show_bug.cgi?id=1537252
>  > 
>  > but they indicate that efforts to update have come to a halt.  I
>  > ask
>  > because I have had to patch 2 of my packages to keep them working
>  > with
>  > MPFR 3, and I've got more that are said to work with either version
>  > 3
>  > or version 4.
>  > 
>  > I am willing to put some effort into making the update happen.  I
>  > agree with the previous assessments that we will probably have to
>  > make
>  > the two versions parallel installable for awhile, possibly for
>  > quite
>  > awhile, until everything can be migrated to version 4.
>  > 
>  > This is the list of source packages in Fedora 30 that depend on
>  > libmpfr, with asterisks by the ones I maintain, comaintain, or just
>  > tend to meddle with:
>  > 
>  > R-Rmpfr
>  > Singular (*)
>  > apron (*)
>  > arb (*)
>  > arm-none-eabi-gcc-cs
>  > avr-gcc
>  > cross-gcc
>  > fawkes
>  > flint (*)
>  > gap-pkg-float (*)
>  > gappa (*)
>  > gawk
>  > gcc
>  > gdb
>  > genius
>  > ghdl
>  > giac
>  > gnome-calculator
>  > gretl
>  > ledger
>  > libbytesize
>  > libfplll (*)
>  > libmpc
>  > libqalculate
>  > libscs
>  > mingw-gcc
>  > mpfi (*)
>  > nacl-gcc
>  > ocaml-mlgmpidl
>  > ocaml-tplib (*)
>  > octave-interval
>  > openscad
>  > polymake (*)
>  > pynac (*)
>  > python-fpylll (*)
>  > python-gmpy2 (*)
>  > rasqal
>  > sagemath (*)
>  > sirocco (*)
>  > texlive-base
>  > why (*)
>  > 
>  > Wow, I didn't realize how many packages I work with that consume
>  > mpfr.
>  > That makes 16 out of 41, so I can manage moving 40% of the mpfr-
>  > using
>  > packages over to version 4 all by myself.  And, truth be told,
>  > there
>  > are 4 more on that list that I've committed changes to at one point
>  > or
>  > another, so I've had my fingers on 50% of them.  Good grief.
>  > 
>  > Is somebody working on this already, and if so, what have you
>  > accomplished so far, and what are your future plans?  How can I
>  > help?
>  > -- 
>  > Jerry James
>  > http://www.jamezone.org/
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>  
>  Hi Jerry.
>  
>  I, too, am wondering this, as it has been a long while since my last
>  attempt was rejected. The last time I spoke to the package
>  maintainer,
>  he had plans to ship the new MPFR 4 as a separate package from the
>  MPFR
>  3 release, but that was some time ago.
>  
>  I am a bit less busy now, so am happy to just get on with it myself,
>  but, looking through the packager documentation, I am having trouble
>  finding any Fedora tutorials and guidelines on doing this. I'm not
>  even
>  sure if I am able to package another version of a library if I am not
>  the maintainer of the original.
>  
>  Can somebody provide some guidance on this?
>  
>  Regards,
>  James (jamesturner246).
>   
I should be more specific. By 'this' I mean packaging a library which
already exists in Fedora, but is of lower version.

-- 

James Paul Turner
University of Sussex

Arpra: Arbitrary-Precision Range Analysis
https://github.com/arpra-project/arpra