nixpkgs/pkgs/tools/graphics/apng2gif/default.nix


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{ lib
, stdenv
, fetchzip
, libpng
}:

stdenv.mkDerivation rec {
  pname = "apng2gif";
  version = "1.8";

  src = fetchzip {
    url = "mirror://sourceforge/apng2gif/apng2gif-${version}-src.zip";
    stripRoot = false;
    hash = "sha256-qX8gmE0Lu2p15kL0y6cmX/bI0uk5Ehfi8ygt07BbgmU=";
  };

  # Remove bundled libs
  postPatch = ''
    rm -r libpng zlib
  '';

  buildInputs = [
    libpng
  ];

  makeFlags = [ "CC=${stdenv.cc.targetPrefix}c++" ];

  installPhase = ''
    runHook preInstall
    install -Dm755 apng2gif $out/bin/apng2gif
    runHook postInstall
  '';

  meta = with lib; {
    homepage = "https://apng2gif.sourceforge.net/";
    description = "A simple program that converts APNG files to animated GIF format";
    license = licenses.zlib;
    maintainers = with maintainers; [ fgaz ];
    platforms = platforms.all;
  };
}