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c9baba9212
(My OCD kicked in today...) Remove repeated package names, capitalize first word, remove trailing periods and move overlong descriptions to longDescription. I also simplified some descriptions as well, when they were particularly long or technical, often based on Arch Linux' package descriptions. I've tried to stay away from generated expressions (and I think I succeeded). Some specifics worth mentioning: * cron, has "Vixie Cron" in its description. The "Vixie" part is not mentioned anywhere else. I kept it in a parenthesis at the end of the description. * ctags description started with "Exuberant Ctags ...", and the "exuberant" part is not mentioned elsewhere. Kept it in a parenthesis at the end of description. * nix has the description "The Nix Deployment System". Since that doesn't really say much what it is/does (especially after removing the package name!), I changed that to "Powerful package manager that makes package management reliable and reproducible" (borrowed from nixos.org). * Tons of "GNU Foo, Foo is a [the important bits]" descriptions is changed to just [the important bits]. If the package name doesn't contain GNU I don't think it's needed to say it in the description either.
55 lines
1.9 KiB
Nix
55 lines
1.9 KiB
Nix
{ fetchurl, stdenv, gmpxx, perl, gnum4 }:
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let version = "1.0"; in
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stdenv.mkDerivation rec {
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name = "ppl-${version}";
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src = fetchurl {
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url = "http://bugseng.com/products/ppl/download/ftp/releases/${version}/ppl-${version}.tar.bz2";
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sha256 = "0m0b6dzablci8mlavpsmn5w1v3r46li0wpjwvsybgxx0p1ifjsf1";
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};
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nativeBuildInputs = [ perl gnum4 ];
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propagatedBuildInputs = [ gmpxx ];
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configureFlags = [ "--disable-watchdog" ] ++
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stdenv.lib.optionals stdenv.isDarwin [
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"CPPFLAGS=-fexceptions"
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"--disable-ppl_lcdd" "--disable-ppl_lpsol" "--disable-ppl_pips"
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];
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patches = [ ./upstream-based.patch ];
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# Beware! It took ~6 hours to compile PPL and run its tests on a 1.2 GHz
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# x86_64 box. Nevertheless, being a dependency of GCC, it probably ought
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# to be tested.
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doCheck = false;
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enableParallelBuilding = true;
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meta = {
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description = "The Parma Polyhedra Library";
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longDescription = ''
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The Parma Polyhedra Library (PPL) provides numerical abstractions
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especially targeted at applications in the field of analysis and
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verification of complex systems. These abstractions include convex
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polyhedra, defined as the intersection of a finite number of (open or
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closed) halfspaces, each described by a linear inequality (strict or
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non-strict) with rational coefficients; some special classes of
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polyhedra shapes that offer interesting complexity/precision tradeoffs;
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and grids which represent regularly spaced points that satisfy a set of
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linear congruence relations. The library also supports finite
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powersets and products of (any kind of) polyhedra and grids and a mixed
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integer linear programming problem solver using an exact-arithmetic
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version of the simplex algorithm.
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'';
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homepage = http://bugseng.com/products/ppl/;
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license = stdenv.lib.licenses.gpl3Plus;
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maintainers = [ ];
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};
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}
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