- Ubuntu 20.04.2 LTS
- Installing Rails 6.1.3.1
- Ruby: 2.6.5
Installing rails:
gem install rails -v 6.1.3.1 --no-doc
Fails to install racc-1.5.2
Trying to manually install racc-1.5.2:
gem install racc -v '1.5.2' --source ' --no-doc
produces the same error.
The following is an 'edited' output of the error:
$ gem install rails -v 6.1.3.1 --no-doc Fetching racc-1.5.2.gem Fetching zeitwerk-2.4.2.gem ... Successfully installed rack-2.2.3 Successfully installed rack-test-1.1.0 Building native extensions. This could take a while... ERROR: Error installing rails: ERROR: Failed to build gem native extension. current directory: /home/user/.rvm/gems/ruby-2.6.5@gemset/gems/racc-1.5.2/ext/racc/cparse /home/user/.rvm/rubies/ruby-2.6.5/bin/ruby -I /home/user/.rvm/rubies/ruby-2.6.5/lib/ruby/site_ruby/2.6.0 -r ./siteconf20210503-658786-pkp97m.rb extconf.rb checking for rb_ary_subseq()... yes creating Makefile current directory: /home/user/.rvm/gems/ruby-2.6.5@gemset/gems/racc-1.5.2/ext/racc/cparse make "DESTDIR=" clean current directory: /home/user/.rvm/gems/ruby-2.6.5@gemset/gems/racc-1.5.2/ext/racc/cparse make "DESTDIR=" compiling cparse.c linking shared-object racc/cparse.so current directory: /home/user/.rvm/gems/ruby-2.6.5@gemset/gems/racc-1.5.2/ext/racc/cparse make "DESTDIR=" install make: /usr/bin/mkdir: Command not found make: *** [Makefile:202: .sitearchdir.-.racc.time] Error 127 make install failed, exit code 2 Gem files will remain installed in /home/user/.rvm/gems/ruby-2.6.5@gemset/gems/racc-1.5.2 for inspection. Results logged to /home/user/.rvm/gems/ruby-2.6.5@gemset/extensions/x86_64-linux/2.6.0/racc-1.5.2/gem_make.out 1 Answer
The main problem here is that the command mkdir is being called at a specific location, and it's just not there:
make: /usr/bin/mkdir: Command not found
To fix this, you need to add a symbolic link to that location:
$ sudo ln -s /bin/mkdir /usr/bin/mkdir
Run gem install again on rails and all should be good!
Thanks to user dem1tris from brining up a related topic, and providing the answer: make: /usr/bin/mkdir: Command not found during `gem install nokogiri` in Ubuntu 20.04
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