icu68: init at 68.2

pkgs/development/libraries/icu/68.nix

@@ -0,0 +1,4 @@
+import ./base.nix {
+  version = "68.2";
+  sha256 = "09fng7a80xj8d5r1cgbgq8r47dsw5jsr6si9p2cj2ylhwgg974f7";
+}

pkgs/top-level/all-packages.nix

@@ -14336,6 +14336,11 @@ in
   } // (lib.optionalAttrs (stdenv.hostPlatform.isi686 && stdenv.cc.isGNU) {
       stdenv = gcc6Stdenv; # with gcc-7: undefined reference to `__divmoddi4'
     }));
+  icu68 = callPackage ../development/libraries/icu/68.nix ({
+    nativeBuildRoot = buildPackages.icu68.override { buildRootOnly = true; };
+  } // (lib.optionalAttrs (stdenv.hostPlatform.isi686 && stdenv.cc.isGNU) {
+      stdenv = gcc6Stdenv; # with gcc-7: undefined reference to `__divmoddi4'
+    }));
 
   icu = icu67;