RubyMotion Google Maps SDK Error.bash

Abdullahs-iMac-2:GM abdullah$ bundle update
Fetching gem metadata from https://rubygems.org/............
Fetching version metadata from https://rubygems.org/...
Fetching dependency metadata from https://rubygems.org/..
Resolving dependencies...
Using rake 10.4.2
Using i18n 0.7.0
Using json 1.8.3
Using minitest 5.7.0
Using thread_safe 0.3.5
Using tzinfo 1.2.2
Using activesupport 4.2.3
Using claide 0.9.1 (was 0.8.2)
Using fuzzy_match 2.0.4
Using nap 0.8.0
Using cocoapods-core 0.38.2 (was 0.37.2)
Using cocoapods-downloader 0.9.1
Using cocoapods-plugins 0.4.2
Using cocoapods-stats 0.5.3
Using netrc 0.7.8
Using cocoapods-trunk 0.6.1
Using cocoapods-try 0.4.5
Using colored 1.2
Using escape 0.0.4
Using molinillo 0.3.1 (was 0.2.3)
Using xcodeproj 0.26.3 (was 0.24.3)
Using cocoapods 0.38.2 (was 0.37.2)
Using motion-cocoapods 1.7.3
Using bundler 1.10.6
Bundle updated!
Abdullahs-iMac-2:GM abdullah$ rake pod:install
Updating spec repo `master`
Updating cfe8af6..1dabdbd
Fast-forward
 Specs/Bugtags/0.9.0/Bugtags.podspec.json           |  40 ++
 .../1.0.1/Expecta+Collections.podspec.json         |  30 +
 .../0.2.2/PBJVideoPlayer.podspec.json              |  28 +
 Specs/PromiseKit/2.1.3/PromiseKit.podspec.json     | 646 +++++++++++++++++++++
 .../1.1.0/VPAttributedFormat.podspec.json          |  22 +
 .../YHImageViewer/0.2.0/YHImageViewer.podspec.json |  26 +
 .../YHImageViewer/0.2.1/YHImageViewer.podspec.json |  26 +
 7 files changed, 818 insertions(+)
 create mode 100644 Specs/Bugtags/0.9.0/Bugtags.podspec.json
 create mode 100644 Specs/Expecta+Collections/1.0.1/Expecta+Collections.podspec.json
 create mode 100644 Specs/PBJVideoPlayer/0.2.2/PBJVideoPlayer.podspec.json
 create mode 100644 Specs/PromiseKit/2.1.3/PromiseKit.podspec.json
 create mode 100644 Specs/VPAttributedFormat/1.1.0/VPAttributedFormat.podspec.json
 create mode 100644 Specs/YHImageViewer/0.2.0/YHImageViewer.podspec.json
 create mode 100644 Specs/YHImageViewer/0.2.1/YHImageViewer.podspec.json
From https://github.com/CocoaPods/Specs
   cfe8af6..1dabdbd  master     -> origin/master
Analyzing dependencies
Downloading dependencies
Installing GoogleMaps (1.10.1)
Generating Pods project
Abdullahs-iMac-2:GM abdullah$ rake
     Build ./build/iPhoneSimulator-7.0-Development
     Build ./Pods.xcodeproj [Pods - Release]
   Compile ./Target Support Files/Pods/Pods-dummy.m
   Compile ./Target Support Files/Pods/Pods-dummy.m
      Link ./Users/abdullah/Desktop/GM/vendor/build/Pods.build/Release-iphonesimulator/Pods.build/Objects-normal/i386/libPods.a
      Link ./Users/abdullah/Desktop/GM/vendor/build/Pods.build/Release-iphonesimulator/Pods.build/Objects-normal/x86_64/libPods.a
    ERROR! Building vendor project `vendor/Pods' failed to create at least one `.a' library.
Abdullahs-iMac-2:GM abdullah$