51 lines
1.4 KiB
Nix
51 lines
1.4 KiB
Nix
{ lib
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, stdenv
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, fetchurl
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}:
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stdenv.mkDerivation (self: {
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pname = "byacc";
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version = "20230219";
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src = fetchurl {
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urls = let
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inherit (self) pname version;
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in [
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"https://invisible-mirror.net/archives/byacc/${pname}-${version}.tgz"
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"ftp://ftp.invisible-island.net/byacc/${pname}-${version}.tgz"
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];
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hash = "sha256-NrlyptSul1hN0YaSX7vDl9JssgYyp2wvUqx2U80IG1g=";
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};
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configureFlags = [
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# change yacc to byacc
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"--program-transform-name='s,^,b,'"
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];
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doCheck = true;
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postInstall = ''
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ln -s $out/bin/byacc $out/bin/yacc
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'';
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meta = {
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homepage = "https://invisible-island.net/byacc/byacc.html";
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description = "Berkeley YACC";
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longDescription = ''
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Berkeley Yacc (byacc) is generally conceded to be the best yacc variant
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available. In contrast to bison, it is written to avoid dependencies upon
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a particular compiler.
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Byacc was written around 1990 by Robert Corbett who is the original author
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of bison. Byacc is noted in Lex & Yacc by John Levine et al (O'Reilly,
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1992) for its compatibility with the original yacc program.
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Nowadays byacc is maintained by Thomas E. Dickey.
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'';
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changelog = "https://invisible-island.net/byacc/CHANGES.html";
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license = lib.licenses.publicDomain;
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maintainers = with lib.maintainers; [ AndersonTorres ];
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platforms = lib.platforms.unix;
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};
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})
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