BUILD FAILED (macOS 11.4 using ruby-build 20210526) - MacBook Air (M1, 2020) - rbenv install 2.x.x

Question

I am having issues with installing any other ruby version other than (2.7.2). Does anyone have any tips? Big Sur.

Answer 1

I was having a problem installing ruby 2.6.7. Run it with this CFLAG CFLAGS="-Wno-error=implicit-function-declaration" rbenv install 2.6.7 helped.