diff options
| -rw-r--r-- | lib/rubygems/specification.rb | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/rubygems/specification.rb b/lib/rubygems/specification.rb index aa495696ad..64f289a7b4 100644 --- a/lib/rubygems/specification.rb +++ b/lib/rubygems/specification.rb @@ -34,6 +34,15 @@ require "rbconfig" # Starting in RubyGems 2.0, a Specification can hold arbitrary # metadata. See #metadata for restrictions on the format and size of metadata # items you may add to a specification. +# +# Specifications must be deterministic, as in the example above. For instance, +# you cannot define attributes conditionally: +# +# # INVALID: do not do this. +# unless RUBY_ENGINE == "jruby" +# s.extensions << "ext/example/extconf.rb" +# end +# class Gem::Specification < Gem::BasicSpecification # REFACTOR: Consider breaking out this version stuff into a separate |