diff --git a/pkgs/development/libraries/science/math/suitesparse/default.nix b/pkgs/development/libraries/science/math/suitesparse/default.nix
index 644b3545916c..528fe5ed0739 100644
--- a/pkgs/development/libraries/science/math/suitesparse/default.nix
+++ b/pkgs/development/libraries/science/math/suitesparse/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, gfortran, openblas, cmake
+{ stdenv, fetchurl, gfortran, openblas, cmake, fixDarwinDylibNames
 , enableCuda  ? false, cudatoolkit
 }:
 
@@ -96,8 +96,11 @@ stdenv.mkDerivation rec {
     runHook postInstall
   '';
 
-  nativeBuildInputs = [ cmake ];
-  buildInputs = [ openblas gfortran.cc.lib ] ++ stdenv.lib.optionals enableCuda [cudatoolkit];
+  nativeBuildInputs = [ cmake ]
+    ++ stdenv.lib.optional stdenv.isDarwin fixDarwinDylibNames;
+
+  buildInputs = [ openblas gfortran.cc.lib ]
+    ++ stdenv.lib.optional enableCuda cudatoolkit;
 
   meta = with stdenv.lib; {
     homepage = http://faculty.cse.tamu.edu/davis/suitesparse.html;
diff --git a/pkgs/development/python-modules/cvxopt/default.nix b/pkgs/development/python-modules/cvxopt/default.nix
index f0de39edd0d2..2411e8251a0d 100644
--- a/pkgs/development/python-modules/cvxopt/default.nix
+++ b/pkgs/development/python-modules/cvxopt/default.nix
@@ -1,4 +1,5 @@
-{ lib
+{ stdenv
+, lib
 , buildPythonPackage
 , fetchPypi
 , isPyPy
@@ -15,13 +16,13 @@
 
 buildPythonPackage rec {
   pname = "cvxopt";
-  version = "1.2.1";
+  version = "1.2.2";
 
   disabled = isPyPy; # hangs at [translation:info]
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "12e3cfda982576b0b9b597d297aaf3172efa765a20fbed6f3c066aa0c48ee817";
+    sha256 = "19ipi6ljj9qv87lhgcsky1gy9543gcmqdbgzpk6v5ccv90nrcf00";
   };
 
   # similar to Gsl, glpk, fftw there is also a dsdp interface
@@ -50,7 +51,7 @@ buildPythonPackage rec {
     ${python.interpreter} -m unittest discover -s tests
   '';
 
-  meta = {
+  meta = with lib; {
     homepage = http://cvxopt.org/;
     description = "Python Software for Convex Optimization";
     longDescription = ''
@@ -63,7 +64,8 @@ buildPythonPackage rec {
       standard library and on the strengths of Python as a high-level
       programming language.
     '';
-    maintainers = with lib.maintainers; [ edwtjo ];
-    license = lib.licenses.gpl3Plus;
+    maintainers = with maintainers; [ edwtjo ];
+    broken = stdenv.targetPlatform.isDarwin;
+    license = licenses.gpl3Plus;
   };
 }