Revert "Merge #101508: libraw: 0.20.0 -> 0.20.2"

I'm sorry; I didn't notice it contained staging commits.

This reverts commit 17f5305b6c, reversing
changes made to a8a018ddc0.

pkgs/development/libraries/libwebp/default.nix

@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, autoreconfHook, libtool
+{ stdenv, fetchurl
 , threadingSupport ? true # multi-threading
 , openglSupport ? false, freeglut ? null, libGL ? null, libGLU ? null # OpenGL (required for vwebp)
 , pngSupport ? true, libpng ? null # PNG image format
@@ -27,17 +27,13 @@ in
 with stdenv.lib;
 stdenv.mkDerivation rec {
   pname = "libwebp";
-  version = "1.1.0";
+  version = "1.0.3";
 
-  src = fetchFromGitHub {
-    owner  = "webmproject";
-    repo   = pname;
-    rev    = version;
-    sha256 = "1kl6qqa29ygqb2fpv140y59v539gdqx4vcf3mlaxhca2bks98qgm";
+  src = fetchurl {
+    url = "http://downloads.webmproject.org/releases/webp/${pname}-${version}.tar.gz";
+    sha256 = "0kxk4sic34bln3k09mml7crvrmhj97swdk7b1ahbp5w6bj30f2p2";
   };
 
-  prePatch = "patchShebangs .";
-
   configureFlags = [
     (mkFlag threadingSupport "threading")
     (mkFlag openglSupport "gl")
@@ -54,7 +50,6 @@ stdenv.mkDerivation rec {
     (mkFlag libwebpdecoderSupport "libwebpdecoder")
   ];
 
-  nativeBuildInputs = [ autoreconfHook libtool ];
   buildInputs = [ ]
     ++ optionals openglSupport [ freeglut libGL libGLU ]
     ++ optional pngSupport libpng