LASzip: initial expression

Closes #4128

pkgs/development/libraries/LASzip/default.nix

···
+{ stdenv, fetchurl, cmake }:
+
+stdenv.mkDerivation rec {
+  version = "2.2.0";
+  name = "LASzip-${version}";
+
+  src = fetchurl {
+    url = "https://github.com/LASzip/LASzip/archive/v${version}.tar.gz";
+    sha256 = "b8e8cc295f764b9d402bc587f3aac67c83ed8b39f1cb686b07c168579c61fbb2";
+  };
+  
+  buildInputs = [cmake];
+
+  meta = {
+    description = "Turn quickly bulky LAS files into compact LAZ files without information loss";
+    homepage = http://www.laszip.org;
+    license = stdenv.lib.licenses.lgpl2;
+    platforms = stdenv.lib.platforms.linux;
+  };
+}

pkgs/top-level/all-packages.nix

···
 
   krb5 = callPackage ../development/libraries/kerberos/krb5.nix { };
 
+  LASzip = callPackage ../development/libraries/LASzip { };
+
   lcms = lcms1;
 
   lcms1 = callPackage ../development/libraries/lcms { };