BUILD FAILED (macOS 11.4 using ruby-build 20230208.1) Workaround


rbenv install 3.2.1

I got the following error when running

``` To follow progress, use ’tail -f /var/folders/19/c1__d35d5jg150mc700fgfm80000gn/T/ruby-build.20230212124132.58816.log’ or pass –verbose Downloading openssl-3.0.8.tar.gz… -> Installing openssl-3.0.8… Installed openssl-3.0.8 to /Users/xxx/.rbenv/versions/3.2.1

Downloading ruby-3.2.1.tar.gz… -> Installing ruby-3.2.1… ruby-build: using readline from homebrew ruby-build: using gmp from homebrew

BUILD FAILED (macOS 11.4 using ruby-build 20230208.1)

Inspect or clean up the working tree at /var/folders/19/c1__d35d5jg150mc700fgfm80000gn/T/ruby-build.20230212124132.58816.7pCUnp Results logged to /var/folders/19/c1__d35d5jg150mc700fgfm80000gn/T/ruby-build.20230212124132.58816.log

Last 10 log lines: Check ext/psych/mkmf.log for more details. *** Fix the problems, then remove these directories and try again if you want. Generating RDoc documentation /private/var/folders/19/c1__d35d5jg150mc700fgfm80000gn/T/ruby-build.20230212124132.58816.7pCUnp/ruby-3.2.1/lib/yaml.rb:3: warning: It seems your ruby installation is missing psych (for YAML output) . To eliminate this warning, please install libyaml and reinstall your ruby. uh-oh! RDoc had a problem: cannot load such file – psych ``’’

I wrote an article because I didn’t understand the solution at all even after reading the error statement

How it didn’t work

The two methods below didn’t work.

``’’ RUBY_CFLAGS=-DUSE_FFI_CLOSURE_ALLOC rbenv install 3.2.1


RUBY_CFLAGS=“-w” rbenv install 3.2.1 ``’’

How it worked

'' brew install libyaml’’

after doing

'' rbenv install 3.2.1’’ run