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

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{stdenv, fetchurl, gmp}:
stdenv.mkDerivation rec {
name = "mpfr-2.4.2";
src = fetchurl {
url = "mirror://gnu/mpfr/${name}.tar.bz2";
sha256 = "1fpjphja2ridy1wfc53mcbavj4axl28ibvnawj1217flm045mry7";
};
buildInputs = [ gmp ];
patches = [ ./patch01.patch ./patch02.patch ];
doCheck = true;
enableParallelBuilding = true;
meta = {
homepage = http://www.mpfr.org/;
description = "GNU MPFR, a 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 = "LGPLv2+";
maintainers = [ stdenv.lib.maintainers.ludo ];
platforms = stdenv.lib.platforms.all;
};
}