add outline for osx

hopefully someone more knowledgeable than me will be able to figure out how to make osx work too

The osx build is unable to find shared libraries. I tried using install_name_tool to replace the paths to the libraries, but I couldn't get it to work

recipes/finemap/meta.yaml

@@ -8,15 +8,19 @@ package:
 source:
   url: http://www.christianbenner.com/finemap_v{{ version }}_x86_64.tgz # [linux]
   sha256: 3b1fc6eb3c2ccafd647b32e02d0244495cd0ade9ed7d474606c31ebf6e98b0c9 # [linux]
+  url: http://www.christianbenner.com/finemap_v{{ version }}_MacOSX.tgz # [osx]
+  sha256: e2967e5586347a8ac5cbcddf3c0e41bf8d3e7793875f78b509d07903d17a415b # [osx]
 
 build:
   number: 0
+  # skip broken osx for now
   skip: True # [not linux]
   run_exports:
     - {{ pin_subpackage('finemap', max_pin="x") }}
   script:
     - mkdir -p ${PREFIX}/bin
     - install -m 755 finemap_v{{ version }}_x86_64 ${PREFIX}/bin/finemap # [linux]
+    - install -m 755 finemap_v{{ version }}_MacOSX ${PREFIX}/bin/finemap # [osx]
 
 requirements:
   build: