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https://github.com/NixOS/nixpkgs.git
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68 lines
2.3 KiB
Nix
68 lines
2.3 KiB
Nix
{ stdenv, fetchurl
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, threadingSupport ? true # multi-threading
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, openglSupport ? false, freeglut ? null, mesa ? null # OpenGL (required for vwebp)
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, pngSupport ? true, libpng ? null # PNG image format
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, jpegSupport ? true, libjpeg ? null # JPEG image format
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, tiffSupport ? true, libtiff ? null # TIFF image format
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, gifSupport ? true, giflib ? null # GIF image format
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#, wicSupport ? true # Windows Imaging Component
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, alignedSupport ? false # Force aligned memory operations
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, swap16bitcspSupport ? false # Byte swap for 16bit color spaces
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, experimentalSupport ? false # Experimental code
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, libwebpmuxSupport ? true # Build libwebpmux
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, libwebpdemuxSupport ? true # Build libwebpdemux
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, libwebpdecoderSupport ? true # Build libwebpdecoder
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}:
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assert openglSupport -> ((freeglut != null) && (mesa != null));
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assert pngSupport -> (libpng != null);
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assert jpegSupport -> (libjpeg != null);
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assert tiffSupport -> (libtiff != null);
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assert gifSupport -> (giflib != null);
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let
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mkFlag = optSet: flag: if optSet then "--enable-${flag}" else "--disable-${flag}";
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in
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with stdenv.lib;
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stdenv.mkDerivation rec {
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name = "libwebp-${version}";
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version = "0.6.0";
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src = fetchurl {
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url = "http://downloads.webmproject.org/releases/webp/${name}.tar.gz";
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sha256 = "0h1brwkyxc7lb8lc53aacdks5vc1y9hzngqi41gg7y6l56912a69";
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};
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configureFlags = [
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(mkFlag threadingSupport "threading")
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(mkFlag openglSupport "gl")
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(mkFlag pngSupport "png")
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(mkFlag jpegSupport "jpeg")
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(mkFlag tiffSupport "tiff")
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(mkFlag gifSupport "gif")
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#(mkFlag (wicSupport && stdenv.isCygwin) "wic")
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(mkFlag alignedSupport "aligned")
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(mkFlag swap16bitcspSupport "swap-16bit-csp")
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(mkFlag experimentalSupport "experimental")
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(mkFlag libwebpmuxSupport "libwebpmux")
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(mkFlag libwebpdemuxSupport "libwebpdemux")
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(mkFlag libwebpdecoderSupport "libwebpdecoder")
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];
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buildInputs = [ ]
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++ optionals openglSupport [ freeglut mesa ]
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++ optional pngSupport libpng
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++ optional jpegSupport libjpeg
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++ optional tiffSupport libtiff
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++ optional gifSupport giflib;
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meta = {
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description = "Tools and library for the WebP image format";
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homepage = https://developers.google.com/speed/webp/;
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license = licenses.bsd3;
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platforms = platforms.all;
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maintainers = with maintainers; [ codyopel ];
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};
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}
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