Gym can't build command-line tools. Use xcodebuild instead

Author: brockboland

.travis.yml

@@ -1,8 +1,8 @@
 language: objective-c
 osx_image: xcode8
 before_script:
-    # Build the Cat2Cat binary for 
-    - bundle exec gym --workspace "Cat2Cat.xcworkspace" --scheme "Cat2Cat" --sdk "macosx10.12" --output_directory "~/build/"
+    # Build the Cat2Cat binary for use in the test projects
+    - xcodebuild -configuration Release -workspace Cat2Cat.xcworkspace -scheme Cat2Cat -sdk macosx CONFIGURATION_BUILD_DIR='~/build/'
     - cp ~/build/Cat2Cat CocoaPod/
     - rm SampleiOSApp/Cat2CatExample/Cat2CatExample/Categories/UIImage+AssetCatalog.?
     - rm SampleMacApp/Cat2CatExampleMac/Cat2CatExampleMac/Categories/NSImage+AssetCatalog.?

Gemfile

@@ -1,3 +1,2 @@
 source 'https://rubygems.org'
 gem 'scan', '~>0.13'
-gem 'gym'

Gemfile.lock

@@ -25,12 +25,6 @@ GEM
       rubyzip (~> 1.1.6)
       terminal-table (>= 1.4.5, < 2.0.0)
     gh_inspector (1.0.2)
-    gym (1.12.0)
-      fastlane_core (>= 0.53.0, < 1.0.0)
-      plist (>= 3.1.0, < 4.0.0)
-      rubyzip (>= 1.1.7)
-      terminal-table (>= 1.4.5, < 2.0.0)
-      xcpretty (>= 0.2.4, < 1.0.0)
     highline (1.7.8)
     json (2.0.2)
     multi_json (1.12.1)
@@ -57,7 +51,6 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  gym
   scan (~> 0.13)
 
 BUNDLED WITH