Update Travis CI build matrix

- Drop iOS 7.0.3 runtime
- Use Xcode 6.4 for testing the iOS 7.1 runtime
- Use Xcode 7 for testing the iOS 8.4 and 9.0 runtimes
- Run the UI specs with the Debug configuration so symbolication works properly

.travis.yml

@@ -1,20 +1,22 @@
 language: objective-c
+osx_image: xcode7
 
-env:
-  matrix:
-    - CEDAR_SDK_VERSION="8.1" CEDAR_SDK_RUNTIME_VERSION="7.0.3" TASK="rake ci"
-    - CEDAR_SDK_VERSION="8.1" CEDAR_SDK_RUNTIME_VERSION="7.1" TASK="rake ci"
-    - CEDAR_SDK_VERSION="8.1" CEDAR_SDK_RUNTIME_VERSION="8.1" TASK="rake ci"
+matrix:
+    include:
+        - osx_image: xcode6.4
+          env: CEDAR_SDK_VERSION="8.4" CEDAR_SDK_RUNTIME_VERSION="7.1" TASK="rake ci"
+        - env: CEDAR_SDK_VERSION="9.0" CEDAR_SDK_RUNTIME_VERSION="8.4" TASK="rake ci"
+        - env: CEDAR_SDK_VERSION="9.0" CEDAR_SDK_RUNTIME_VERSION="9.0" TASK="rake ci"
 
-    # Analyze takes too long -- vary on runtime SDK
-    - CEDAR_SDK_VERSION="8.1" CEDAR_SDK_RUNTIME_VERSION="8.1" TASK="rake suites:specs:analyze"
-    - CEDAR_SDK_VERSION="8.1" CEDAR_SDK_RUNTIME_VERSION="8.1" TASK="rake suites:uispecs:analyze"
-    - CEDAR_SDK_VERSION="8.1" CEDAR_SDK_RUNTIME_VERSION="8.1" TASK="rake suites:focused_specs:analyze"
+        # Analyze takes too long -- vary on runtime SDK
+        - env: CEDAR_SDK_VERSION="9.0" TASK="rake suites:specs:analyze"
+        - env: CEDAR_SDK_VERSION="9.0" TASK="rake suites:uispecs:analyze"
+        - env: CEDAR_SDK_VERSION="9.0" TASK="rake suites:focused_specs:analyze"
 
-    - TASK="./install.sh"
-    - TASK="./installCodeSnippetsAndTemplates"
+        - env: TASK="./install.sh"
+        - env: TASK="./installCodeSnippetsAndTemplates"
 
-before_install: brew update
+before_install: brew update; brew update
 install:
   - bundle install
   - brew install ios-sim

Rakefile

@@ -145,9 +145,10 @@ class Xcode
     args += " -target #{options[:target].inspect}" if options[:target]
     args += " -sdk #{options[:sdk].inspect}" if options[:sdk]
     args += " -scheme #{options[:scheme].inspect}" if options[:scheme]
+    args += " -configuration #{options[:configuration] || CONFIGURATION}"
 
     Shell.fold "build.#{options[:scheme] || options[:target]}" do
-      Shell.run(%Q(xcodebuild -project #{PROJECT_NAME}.xcodeproj -configuration #{CONFIGURATION} SYMROOT=#{BUILD_DIR.inspect} clean build #{args}), logfile)
+      Shell.run(%Q(xcodebuild -project #{PROJECT_NAME}.xcodeproj SYMROOT=#{BUILD_DIR.inspect} clean build #{args}), logfile)
     end
   end
 
@@ -334,7 +335,7 @@ namespace :suites do
 
     desc "Build UI specs"
     task :build do
-      Xcode.build(target: UI_SPECS_TARGET_NAME, sdk: "iphonesimulator#{SDK_VERSION}", args: 'ARCHS=i386', logfile: "uispecs.build.log")
+      Xcode.build(target: UI_SPECS_TARGET_NAME, sdk: "iphonesimulator#{SDK_VERSION}", args: 'ARCHS=i386', configuration: "Debug", logfile: "uispecs.build.log")
     end
 
     desc "Run UI specs"