Dependency on Llamakit won't build without iOS Signing identity.

[seltzered]

My environment is currently only setup with a mac developer program license (yes, I know things changed a few weeks ago regarding all that). Anyways, I noticed that even with "--configuration debug" suggested in Carthage/Carthage#281 the project won't build, and from reading the cartfile documentation ( https://github.com/Carthage/Carthage/blob/master/Documentation/Artifacts.md#cartfile ) I can't seem to find a way to specify a platform to ensure only Llamakit-mac is built.

Here's what the installation looks like:

ReactiveAnimation-MacDemo vgani$ carthage bootstrap --configuration Debug
*** Checking out ReactiveCocoa at "ad02d8356b43e2c38f3d4d87ea0127c5f8572668"
*** Checking out ReactiveAnimation at "f4c6535f5dbbd23c401e7f49511c2710c063994e"
*** Checking out LlamaKit at "v0.6.0"
*** xcodebuild output can be found in /var/folders/mn/0qxnbsbx2993nhk28z3g943w0000gp/T/carthage-xcodebuild.Bi188J.log
*** Building scheme "LlamaKit-iOS" in LlamaKit.xcodeproj
** BUILD FAILED **


The following build commands failed:
    Check dependencies
(1 failure)
/Users/vgani/projects/!github_clones/ReactiveAnimation-MacDemo/Carthage/Checkouts/LlamaKit/LlamaKit/Result.swift:57:20: warning: closure parameter prior to parameters with default arguments will not be treated as a trailing closure
/Users/vgani/projects/!github_clones/ReactiveAnimation-MacDemo/Carthage/Checkouts/LlamaKit/LlamaKit/Result.swift:62:17: warning: closure parameter prior to parameters with default arguments will not be treated as a trailing closure
Code Sign error: No code signing identities found: No valid signing identities (i.e. certificate and private key pair) matching the team ID “(null)” were found.
CodeSign error: code signing is required for product type 'Framework' in SDK 'iOS 8.3'
A shell task failed with exit code 65:
** BUILD FAILED **


The following build commands failed:
    Check dependencies
(1 failure)

Any idea on how to approach fixing this aside from just getting an iOS signing identity?