Podfile the dependency "isn't used in any concrete target

Content Summary:

Podfile after upgrading to the latest version, the contents of the pod must clearly indicate the target of the third-party library used, otherwise the dependency "is not used in any concrete target such errors.

The following are stated from three steps:

1. Podfile Upgrade

To view the pod version:

Pod--version

Pod Upgrade (This is the upgrade to the 1.0.0.beta.2 version):

sudo gem install cocoapods--pre

2. Error content:

The content of my podfile is:

Platform:ios, ' 7.0 ' pod ' Reactivecocoa ', ' 2.1.8 ' pod ' objectiveflickr ', ' 2.0.4 ' pod ' Linqtoobjectivec ', ' 2.0.0 ' pod ' Sdwebimage ', ' 3.6 '

An error occurred after Pod install the dependency ' is not used in any concrete target

Pod install/system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/universal-darwin14/ Rbconfig.rb:213:warning:insecure World writable Dir/applications/cocos/tools/ant/bin in PATH, mode 040777Re-creating C Ocoapods due to major version update. Updating Local specs repositoriesanalyzing dependencies[!] The dependency ' Reactivecocoa (= 2.1.8) ' is not used on any concrete target. The dependency ' objectiveflickr (= 2.0.4) ' is not used on any concrete target. The dependency ' linqtoobjectivec (= 2.0.0) ' is not used on any concrete target. The dependency ' sdwebimage (= 3.6) ' is not used on any concrete target.

3. Modification Method:

Podfile Content Changes:

Platform:ios, ' 7.0 ' target "rwtflickrsearch" Dopod ' Reactivecocoa ', ' 2.1.8 ' pod ' objectiveflickr ', ' 2.0.4 ' pod ' Linqtoobjectivec ', ' 2.0.0 ' pod ' sdwebimage ', ' 3.6 ' end

If you run the pod install again, it will succeed.

Podfile the dependency "isn't used in any concrete target