···

       
3
       
3
       
 
       
assert zlib != null;

     

       
4
       
4
       
 
       


     

       
5
       
5
       
 
       
let

     

       
6
       
6
       
-
       
  version = "1.6.20";

     

       
7
       
7
       
-
       
  sha256 = "12wis4rlisfnw79pj2778m42m94xpi9nq8m385hxk11lkyg9biam";

     

       
6
       
6
       
+
       
  version = "1.6.21";

     

       
7
       
7
       
+
       
  sha256 = "10r0xqasm8fi0dx95bpca63ab4myb8g600ypyndj2r4jxd4ii3vc";

     

       
8
       
8
       
 
       
  patch_src = fetchurl {

     

       
9
       
9
       
 
       
    url = "mirror://sourceforge/libpng-apng/libpng-${version}-apng.patch.gz";

     

       
10
       
10
       
-
       
    sha256 = "11xgal9qk6fmqdgcb37xg55f2y58wizszw54p1pyq855d2xpwfz6";

     

       
10
       
10
       
+
       
    sha256 = "0wwcc52yzjaxvpfkicz20j7yzpy02hpnsm4jjlvw74gy4qjhx9vd";

     

       
11
       
11
       
 
       
  };

     

       
12
       
12
       
 
       
  whenPatched = stdenv.lib.optionalString apngSupport;

     

       
13
       
13