Platform flattening overhaul (#1393)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Bart Louwers <bart@emeel.net>

platform/macos/Mapbox-macOS-SDK.podspec

@@ -0,0 +1,30 @@
+Pod::Spec.new do |m|
+
+  version = '0.16.0'
+
+  m.name    = 'Mapbox-macOS-SDK'
+  m.version = version
+
+  m.summary           = 'Open-source, interactive, fully customizable vector maps.'
+  m.description       = 'Interactive, fully customizable vector maps with tight platform integration and high-performance OpenGL rendering.'
+  m.homepage          = 'https://mapbox.github.io/mapbox-gl-native/macos/'
+  m.license           = { :type => 'BSD', :file => 'LICENSE.md' }
+  m.author            = { 'Mapbox' => 'mobile@mapbox.com' }
+  m.screenshot        = "https://mapbox.github.io/mapbox-gl-native/macos/#{version}/img/screenshot.jpg"
+  m.social_media_url  = 'https://twitter.com/mapbox'
+  m.documentation_url = 'https://mapbox.github.io/mapbox-gl-native/macos/'
+
+  m.source = {
+    :http => "https://github.com/mapbox/mapbox-gl-native-ios/releases/download/macos-v#{version}/mapbox-macos-sdk-#{m.version.to_s}.zip",
+    :flatten => true
+  }
+
+  m.platform              = :osx
+  m.osx.deployment_target = '10.11'
+
+  m.requires_arc = true
+
+  m.vendored_frameworks = 'Mapbox.framework'
+  m.module_name = 'Mapbox'
+
+end