maintainer-feedback requested: [Bug 253104] devel/ruby-gems: building with ruby 3.0

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Bugzilla Automation <bugzilla at FreeBSD.org> has asked freebsd-ruby (Nobody)
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Bug 253104: devel/ruby-gems: building with ruby 3.0
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=253104



--- Description ---
I just tried to build with ruby=3.0.
I needed to patch a few things see the patch (attached).

After that I still have this problem all that all rubygem ports fail 
because of the bug #251484.
Somehow at least for me it still fails to create the dirs to build.

See rubygem-racc for example:

ERROR:	While executing gem ... (Errno::ENOENT)
    No such file or directory @ rb_sysopen -
/usr/home/l33tname/svn_ports/devel/rubygem-racc/work/stage/usr/local/lib/ruby/g
ems/3.0/specifications/racc-1.5.2.gemspec
*** Error code 1