I installed “CocoaPods”, a library management tool that can be used for Mac app and iOS app development.

% gem install cocoapods

% pod setup
Setting up CocoaPods master repo
Setup completed (read-only access)

% pod --help
CocoaPods, the Objective-C library package manager.

Commands:

    * install    Install project dependencies
    * ipc        Inter-process communication
    * list       List pods
    * outdated   Show outdated project dependencies
    * push       Push new specifications to a spec-repo
    * repo       Manage spec-repositories
    * search     Search pods
    * setup      Setup the CocoaPods environment
    * spec       Manage pod specs
    * update     Update outdated project dependencies

Options:

    --silent     Show nothing
    --version    Show the version of CocoaPods
    --no-color   Show output without color
    --verbose    Show more debugging information
    --help       Show help banner of specified command

■ Error Handling

[!] The platform of the target `Pods` (iOS 4.3) is not compatible with 

Specify the supported iOS version in the Podfile

Podfile

platform :ios, '5.0'

■ Items to add to .gitignore

Pods/
MyPorjectName.xcworkspace

■ Pods need to be built separately to create the libPods.a file

If you don’t build, you’ll get an error that libPods.a file cannot be found.

ld: library not found for -lPods

The following sites were very clear and helpful for building Pods and creating libPods.a.

・CocoaPodsを使ったXcodeプロジェクトの作り方（１） - shigeki.takeguchi.log

・CocoaPodsを使ったXcodeプロジェクトの作り方（２） - shigeki.takeguchi.log

・CocoaPodsを使ったXcodeプロジェクトの作り方（３） - shigeki.takeguchi.log

・CocoaPodsを使ったXcodeプロジェクトの作り方（４） - shigeki.takeguchi.log

[References]

・CocoaPods: The Objective-C Library Manager

・CocoaPods ではじめる Objective-C ライブラリ管理 (1) - Watsonのメモ

・CocoaPodsでPodの利用＆作成のメモ #Objective-C #CocoaPods - Qiita [キータ]

That’s all from the Gemba.