mpsolve: build on darwin

pkgs/by-name/mp/mpsolve/package.nix

@@ -2,6 +2,7 @@
   lib,
   stdenv,
   fetchFromGitHub,
+  fetchpatch,
   autoreconfHook,
   bison,
   flex,
@@ -23,6 +24,14 @@ stdenv.mkDerivation (finalAttrs: {
     hash = "sha256-BGXvNxWUbto0yMIpEIxZ9wOYv9w0ev4OgVcniNYIKoU=";
   };
 
+  patches = [
+    (fetchpatch {
+      name = "include-cmath-in-c++-before-defining-isnan-macro.patch";
+      url = "https://github.com/robol/MPSolve/commit/260432c9d1002261f60159d0520af7862d4471ed.patch";
+      hash = "sha256-ODWpp966S1SsSN8hf7yuYgJR44GgbLwSxui280WWGmM=";
+    })
+  ];
+
   nativeBuildInputs = [
     autoreconfHook
     bison
@@ -45,6 +54,5 @@ stdenv.mkDerivation (finalAttrs: {
     license = lib.licenses.gpl3Plus;
     maintainers = with lib.maintainers; [ kilianar ];
     mainProgram = "mpsolve";
-    platforms = lib.platforms.linux;
   };
 })