From cacbbe92bf7c1060279c94c6c78c0ef7e5eece48 Mon Sep 17 00:00:00 2001
From: Constantine Glen Evans <cevans@evanslabs.org>
Date: Tue, 31 Mar 2020 19:58:59 -0700
Subject: [PATCH 1/2] gwyddion: add darwin support

Gwyddion will build on Darwin, but gnome2.gtkglext is broken there,
and so I am disabling it as an optional dependency here when building
on Darwin.
---
 pkgs/applications/science/chemistry/gwyddion/default.nix | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/pkgs/applications/science/chemistry/gwyddion/default.nix b/pkgs/applications/science/chemistry/gwyddion/default.nix
index cd8b93c9aac..644f609ed0a 100644
--- a/pkgs/applications/science/chemistry/gwyddion/default.nix
+++ b/pkgs/applications/science/chemistry/gwyddion/default.nix
@@ -12,7 +12,7 @@
   zlibSupport ? true, zlib ? null,
   libuniqueSupport ? true, libunique ? null,
   libpngSupport ? true, libpng ? null,
-  openglSupport ? true
+  openglSupport ? !stdenv.isDarwin
 }:
 
 assert openexrSupport -> openexr != null;
@@ -45,7 +45,7 @@ stdenv.mkDerivation rec {
   
   buildInputs = with stdenv.lib;
     [ gtk2 fftw ] ++
-    optionals openglSupport [gnome2.gtkglext] ++
+    optional openglSupport gnome2.gtkglext ++
     optional openexrSupport openexr ++
     optional libXmuSupport xorg.libXmu ++
     optional fitsSupport cfitsio ++
@@ -80,7 +80,7 @@ stdenv.mkDerivation rec {
       spectrophotometry.
     '';
     license = stdenv.lib.licenses.gpl2;
-    platforms = stdenv.lib.platforms.linux;
+    platforms = with stdenv.lib.platforms; linux ++ darwin;
     maintainers = [ stdenv.lib.maintainers.cge ];
   };
 }

From 45c9ad32fdea5cb46a62742ef317e1b3dfb43880 Mon Sep 17 00:00:00 2001
From: Constantine Glen Evans <cevans@evanslabs.org>
Date: Wed, 1 Apr 2020 17:47:55 -0700
Subject: [PATCH 2/2] libunique: add darwin

libunique builds, and dependencies appear to build and run correctly,
in OS X.
---
 pkgs/development/libraries/libunique/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/libunique/default.nix b/pkgs/development/libraries/libunique/default.nix
index d6566978a6b..502fd27ebb6 100644
--- a/pkgs/development/libraries/libunique/default.nix
+++ b/pkgs/development/libraries/libunique/default.nix
@@ -32,6 +32,6 @@ stdenv.mkDerivation rec {
     homepage = "https://wiki.gnome.org/Attic/LibUnique";
     description = "A library for writing single instance applications";
     license = stdenv.lib.licenses.lgpl21;
-    platforms = stdenv.lib.platforms.linux;
+    platforms = with stdenv.lib.platforms; linux ++ darwin;
   };
 }