z3_4_5_0: New expression, to access the release version's API

pkgs/applications/science/logic/z3/4.5.0.nix

@@ -0,0 +1,31 @@
+{ stdenv, fetchFromGitHub, python2, fixDarwinDylibNames }:
+
+let
+  python = python2;
+in stdenv.mkDerivation rec {
+  name = "z3-${version}";
+  version = "4.5.0";
+
+  src = fetchFromGitHub {
+    owner  = "Z3Prover";
+    repo   = "z3";
+    rev    = "z3-4.5.0";
+    sha256 = "0ssp190ksak93hiz61z90x6hy9hcw1ywp8b2dzmbhn6fbd4bnxzp";
+  };
+
+  buildInputs = [ python fixDarwinDylibNames ];
+  enableParallelBuilding = true;
+
+  configurePhase = ''
+    ${python.interpreter} scripts/mk_make.py --prefix=$out --python --pypkgdir=$out/${python.sitePackages}
+    cd build
+  '';
+
+  meta = {
+    description = "A high-performance theorem prover and SMT solver";
+    homepage    = "https://github.com/Z3Prover/z3";
+    license     = stdenv.lib.licenses.mit;
+    platforms   = stdenv.lib.platforms.unix;
+    maintainers = [ stdenv.lib.maintainers.thoughtpolice ];
+  };
+}

pkgs/top-level/all-packages.nix

@@ -19002,6 +19002,7 @@ with pkgs;
     gmp-static = gmp.override { withStatic = true; };
   };
 
+  z3_4_5_0 = callPackage ../applications/science/logic/z3/4.5.0.nix {};
   z3 = callPackage ../applications/science/logic/z3 {};
 
   aiger = callPackage ../applications/science/logic/aiger {};