ext/json/generator/extconf.rb: remove the lines which set -O3 when -O option is not set. Note that -O3 doesn't always exist.
ext/json/parser/extconf.rb: ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30011 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
ext/json/generator/extconf.rb: remove the lines which set -O3
when -O option is not set.
Note that -O3 doesn't always exist.
ext/json/parser/extconf.rb: ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30011 b2dd03c8-39d4-4d8f-98ff-823fe69b080e