Let's try building on Mac, too.

.travis.yml

@@ -1,24 +1,33 @@
-os: linux
-dist: xenial
+matrix:
+  include:
+    - os: linux
+      dist: xenial
+      env: 
+        - APP_NAME="FBX2glTF-linux-x64"
+        - CONAN_CONFIG="-s compiler.libcxx=libstdc++11"
+    - os: osx
+      osx_image: xcode10.2
+      env:
+        - APP_NAME="FBX2glTF-darwin-x64"
+        - CONAN_CONFIG="-s compiler=apple-clang -s compiler.version=10.0 -s compiler.libcxx=libc++"
+compiler: gcc
 language: python
 python: '3.7'
-compiler:
-- gcc
 install:
 - pip install conan
 - conan user
 - conan remote add bincrafters https://api.bintray.com/conan/bincrafters/public-conan
 script:
-- conan install . -i build -s build_type=Release -s compiler.libcxx=libstdc++11
+- conan install . -i build -s build_type=Release ${CONAN_CONFIG}
 - conan build . -bf build
-- mv build/FBX2glTF build/FBX2glTF-linux-x64 # generalise
+- mv build/FBX2glTF build/${APP_NAME}
 notifications:
   webhooks: https://code.facebook.com/travis/webhook/
 deploy:
   provider: releases
   api_key:
     secure: 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
-  file: build/FBX2glTF-linux-x64
+  file: build/${APP_NAME}
   skip_cleanup: true
   on:
     repo: facebookincubator/FBX2glTF