{ stdenv, unzip, fetchurl, writeText }: let version = "24"; allBass = { bass = { h = "bass.h"; so = { i686_linux = "libbass.so"; x86_64-linux = "x64/libbass.so"; }; urlpath = "bass${version}-linux.zip"; sha256 = "1a2z9isabkymz7qmkgklbjpj2wxkvv1cngfp9aj0c9178v97pjd7"; }; bass_fx = { h = "C/bass_fx.h"; so = { i686_linux = "libbass_fx.so"; x86_64-linux = "x64/libbass_fx.so"; }; urlpath = "z/0/bass_fx${version}-linux.zip"; sha256 = "0j1cbq88j3vnqf2bibcqnfhciz904w48ldgycyh9d8954hwyg22m"; }; }; dropBass = name: bass: stdenv.mkDerivation { name = "lib${name}-${version}"; src = fetchurl { url = "https://www.un4seen.com/files/${bass.urlpath}"; inherit (bass) sha256; }; unpackCmd = '' mkdir out ${unzip}/bin/unzip $curSrc -d out ''; lpropagatedBuildInputs = [ unzip ]; dontBuild = true; installPhase = let so = if bass.so ? ${stdenv.system} then bass.so.${stdenv.system} else throw "${name} not packaged for ${stdenv.system} (yet)."; in '' mkdir -p $out/{lib,include} install -m644 -t $out/lib/ ${so} install -m644 -t $out/include/ ${bass.h} ''; meta = with stdenv.lib; { description = "Shareware audio library"; homepage = https://www.un4seen.com/; license = licenses.unfreeRedistributable; platforms = builtins.attrNames bass.so; }; }; in stdenv.lib.mapAttrs dropBass allBass