Fetching gem metadata from http://rubygems.org/…
Using rake 13.0.3
Using concurrent-ruby 1.1.8
Using i18n 1.8.8
Using minitest 5.14.3
Using thread_safe 0.3.6
Using tzinfo 1.2.9
Using activesupport 5.1.7
Using builder 3.2.4
Using erubi 1.10.0
Fetching racc 1.5.2
Installing racc 1.5.2 with native extensions
Gem::Ext::BuildError: ERROR: Failed to build gem native extension.
C:/Ruby27-x64/bin/ruby.exe -I C:/Ruby27-x64/lib/ruby/site_ruby/2.7.0 -r
checking for rb_ary_subseq()… *** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of necessary
libraries and/or headers. Check the mkmf.log file for more details. You may
need configuration options.
Provided configuration options:
try_do': The compiler failed to generate an executable file. (RuntimeError) You have to install development tools first. from C:/Ruby27-x64/lib/ruby/2.7.0/mkmf.rb:564:in try_link0’
try_link' from C:/Ruby27-x64/lib/ruby/2.7.0/mkmf.rb:794:in try_func’
block in have_func' from C:/Ruby27-x64/lib/ruby/2.7.0/mkmf.rb:971:in block in checking_for’
block (2 levels) in postpone' from C:/Ruby27-x64/lib/ruby/2.7.0/mkmf.rb:331:in open’
block in postpone' from C:/Ruby27-x64/lib/ruby/2.7.0/mkmf.rb:331:in open’
postpone' from C:/Ruby27-x64/lib/ruby/2.7.0/mkmf.rb:970:in checking_for’
have_func' from extconf.rb:6:in ’
To see why this extension failed to compile, please check the mkmf.log which can
be found here:
extconf failed, exit code 1
Gem files will remain installed in
C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/racc-1.5.2 for inspection.
Results logged to
An error occurred while installing racc (1.5.2), and Bundler cannot continue.
Make sure that
gem install racc -v '1.5.2' --source 'http://rubygems.org/'
succeeds before bundling.
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