57 lines
2 KiB
Nix
57 lines
2 KiB
Nix
{ lib, stdenv, fetchurl, m4, perl, help2man }:
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# Note: this package is used for bootstrapping fetchurl, and thus
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# cannot use fetchpatch! All mutable patches (generated by GitHub or
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# cgit) that are needed here should be included directly in Nixpkgs as
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# files.
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stdenv.mkDerivation rec {
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pname = "bison";
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version = "3.8.2";
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src = fetchurl {
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url = "mirror://gnu/${pname}/${pname}-${version}.tar.gz";
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sha256 = "sha256-BsnhO99+sk1M62tZIFpPZ8LH5yExGWREMP6C+9FKCrs=";
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};
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# gnulib relies on --host= to detect iconv() features on musl().
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# Otherwise tests fail due to incorrect unicode symbol oconversion.
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configurePlatforms = [ "build" "host" ];
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# there's a /bin/sh shebang in bin/yacc which when no strictDeps is patched with the build stdenv shell
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# however when cross-compiling it would still be patched with the build stdenv shell which would be wrong
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# cannot add bash to buildInputs due to infinite recursion
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strictDeps = stdenv.hostPlatform != stdenv.buildPlatform;
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nativeBuildInputs = [ m4 perl ] ++ lib.optional stdenv.isSunOS help2man;
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propagatedBuildInputs = [ m4 ];
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enableParallelBuilding = true;
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doCheck = true;
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doInstallCheck = true;
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meta = {
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homepage = "https://www.gnu.org/software/bison/";
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description = "Yacc-compatible parser generator";
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license = lib.licenses.gpl3Plus;
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longDescription = ''
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Bison is a general-purpose parser generator that converts an
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annotated context-free grammar into an LALR(1) or GLR parser for
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that grammar. Once you are proficient with Bison, you can use
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it to develop a wide range of language parsers, from those used
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in simple desk calculators to complex programming languages.
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Bison is upward compatible with Yacc: all properly-written Yacc
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grammars ought to work with Bison with no change. Anyone
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familiar with Yacc should be able to use Bison with little
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trouble. You need to be fluent in C or C++ programming in order
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to use Bison.
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'';
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platforms = lib.platforms.unix;
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};
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passthru = { glrSupport = true; };
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}
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