Analyse following RPM build log snippet. Describe contents accurately, without speculation or suggestions for resolution.            
Your analysis must be as concise as possible, while keeping relevant information intact.
Snippet: 
WARNING:  open-ended dependency on rake (>= 0) is not recommended
  use a bounded requirement, such as '~> x.y'
WARNING:  open-ended dependency on bundler (>= 0) is not recommended
  use a bounded requirement, such as '~> x.y'
WARNING:  open-ended dependency on cloudwalk_handshake (>= 0) is not recommended
  use a bounded requirement, such as '~> x.y'
WARNING:  open-ended dependency on funky-simplehttp (>= 0, development) is not recommended
  use a bounded requirement, such as '~> x.y'
WARNING:  open-ended dependency on yard (>= 0, development) is not recommended
  use a bounded requirement, such as '~> x.y'
WARNING:  open-ended dependency on posxml_parser (>= 0) is not recommended
  use a bounded requirement, such as '~> x.y'
WARNING:  open-ended dependency on funky-emv (>= 0) is not recommended
  use a bounded requirement, such as '~> x.y'
WARNING:  See https://guides.rubygems.org/specification-reference/ for help
Warnings about multiple under specified dependencies. While unlikely to cause a build failure, these issues may lead to incompatible versions being introduced.