71 lines
2.5 KiB
Nix
71 lines
2.5 KiB
Nix
{ stdenv, fetchurl, m4, cxx ? true }:
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stdenv.mkDerivation (rec {
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name = "gmp-5.0.3";
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src = fetchurl {
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url = "mirror://gnu/gmp/${name}.tar.bz2";
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sha256 = "dcafe9989c7f332b373e1f766af8e9cd790fc802fdec422a1910a6ef783480e3";
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};
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buildNativeInputs = [ m4 ];
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configureFlags =
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# Build a "fat binary", with routines for several sub-architectures (x86).
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[ "--enable-fat" ]
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++ (if cxx then [ "--enable-cxx" ] else [ "--disable-cxx" ]);
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doCheck = true;
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enableParallelBuilding = true;
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meta = {
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description = "GMP, the GNU multiple precision arithmetic library";
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longDescription =
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'' GMP is a free library for arbitrary precision arithmetic, operating
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on signed integers, rational numbers, and floating point numbers.
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There is no practical limit to the precision except the ones implied
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by the available memory in the machine GMP runs on. GMP has a rich
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set of functions, and the functions have a regular interface.
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The main target applications for GMP are cryptography applications
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and research, Internet security applications, algebra systems,
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computational algebra research, etc.
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GMP is carefully designed to be as fast as possible, both for small
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operands and for huge operands. The speed is achieved by using
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fullwords as the basic arithmetic type, by using fast algorithms,
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with highly optimised assembly code for the most common inner loops
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for a lot of CPUs, and by a general emphasis on speed.
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GMP is faster than any other bignum library. The advantage for GMP
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increases with the operand sizes for many operations, since GMP uses
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asymptotically faster algorithms.
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'';
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homepage = http://gmplib.org/;
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license = "LGPLv3+";
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maintainers = [ stdenv.lib.maintainers.ludo stdenv.lib.maintainers.simons ];
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platforms = stdenv.lib.platforms.all;
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};
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}
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//
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(if stdenv.isFreeBSD
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then {
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# On FreeBSD, GMP's `config.guess' detects the sub-architecture (e.g.,
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# "k8") and generates code specific to that sub-architecture, in spite of
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# `--enable-fat', leading to illegal instructions and similar errors on
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# machines with a different sub-architecture.
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# See <http://hydra.nixos.org/build/2269915/nixlog/1/raw>, for an example.
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# Thus, use GNU's standard `config.guess' so that it assumes the generic
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# architecture (e.g., "x86_64").
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preConfigure =
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'' rm config.guess && ln -s configfsf.guess config.guess
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chmod +x configfsf.guess
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'';
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}
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else { }))
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