bcc32/setup.mak: new configure scheme. use ``configure --prefix=dir''
instead of ``make DESTDIR=dir install''.
--with-static-linked-ext support on mswin32. [ruby-dev:23034]
(by Nakada. Thanks.)
* bcc32/setup.mak: "configure --disable-install-doc" is now working.
* win32/setup.mak: ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5853 b2dd03c8-39d4-4d8f-98ff-823fe69b080e