* configure.in: add SOLIBS and LIBRUBY_SO definition for mirbsd*.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39203 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* configure.in: use -pthread on mirbsd*.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39204 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* configure.in: enable rb_cv_page_size_log test for MirOS BSD.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39205 b2dd03c8-39d4-4d8f-98ff-823fe69b080e