Syntax error in alpr.rb

[xcodewarrier]

On running bundle exec ./bin/build_frameworks.rb on El Capitan as per the readme, the script fails with a syntax error as follows:

$ bundle exec ./bin/build_frameworks.rb
/Users/username/dev/iOS/openalpr-ios/lib/alpr/package.rb:1:in `require_relative':      /Users/username/dev/iOS/openalpr-ios/lib/alpr/package/alpr.rb:31: syntax error, unexpected ',' (SyntaxError)
def initialize(log_file:, logger:,
                         ^
/Users/username/dev/iOS/openalpr-ios/lib/alpr/package/alpr.rb:173: syntax error, unexpected keyword_end, expecting end-of-input
from /Users/username/dev/iOS/openalpr-ios/lib/alpr/package.rb:1:in `<top (required)>'
from ./bin/build_frameworks.rb:7:in `require_relative'
from ./bin/build_frameworks.rb:7:in `<main>'

[twelve17]

Are you on Ruby 2.1+ ?

[xcodewarrier]

Verified that this was issue - I was on Ruby 2.0.