use script

.travis.yml

@@ -0,0 +1,4 @@
+language: swift
+osx_image: xcode9.3
+script:
+  - xcodebuild clean -project ContextMenu.xcodeproj -scheme ContextMenu -destination "platform=iOS Simulator,name=iPhone X,OS=11.3" CODE_SIGN_IDENTITY="" CODE_SIGNING_REQUIRED=NO ONLY_ACTIVE_ARCH=NO -quiet

ContextMenu.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>