new(spec, build_args = spec.build_args)
public
Creates a new extension
builder for spec. If the spec does not yet have build
arguments, saved, set build_args which is an ARGV-style array.
# File lib/rubygems/ext/builder.rb, line 101
def initialize spec, build_args = spec.build_args
@spec = spec
@build_args = build_args
@gem_dir = spec.full_gem_path
@ran_rake = nil
end