nixpkgs/pkgs/development/libraries/mpfr/default.nix

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{ lib, stdenv, fetchurl, gmp }:
# Note: this package is used for bootstrapping fetchurl, and thus
# cannot use fetchpatch! All mutable patches (generated by GitHub or
# cgit) that are needed here should be included directly in Nixpkgs as
# files.
stdenv.mkDerivation rec {
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version = "4.1.0";
pname = "mpfr";
src = fetchurl {
urls = [
#"https://www.mpfr.org/${name}/${name}.tar.xz"
"mirror://gnu/mpfr/${pname}-${version}.tar.xz"
];
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sha256 = "0zwaanakrqjf84lfr5hfsdr7hncwv9wj0mchlr7cmxigfgqs760c";
};
outputs = [ "out" "dev" "doc" "info" ];
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# mpfr.h requires gmp.h
propagatedBuildInputs = [ gmp ];
configureFlags =
lib.optional stdenv.hostPlatform.isSunOS "--disable-thread-safe" ++
lib.optional stdenv.hostPlatform.is64bit "--with-pic";
doCheck = true; # not cross;
enableParallelBuilding = true;
meta = {
homepage = "https://www.mpfr.org/";
description = "Library for multiple-precision floating-point arithmetic";
longDescription = ''
The GNU MPFR library is a C library for multiple-precision
floating-point computations with correct rounding. MPFR is
based on the GMP multiple-precision library.
The main goal of MPFR is to provide a library for
multiple-precision floating-point computation which is both
efficient and has a well-defined semantics. It copies the good
ideas from the ANSI/IEEE-754 standard for double-precision
floating-point arithmetic (53-bit mantissa).
'';
license = lib.licenses.lgpl2Plus;
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maintainers = [ ];
platforms = lib.platforms.all;
};
}