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TODAY I LEARNED

to install ruby 2.4.6 on a Mac m1 with rbenv

Once upon a time (even thouhg we have newer versions of ruby) I had to install an older version of ruby, the 2.4.6 on my Mac M1 (OS X 12.6), I was having this problem:

ruby-build: using readline from homebrew

BUILD FAILED (macOS 12.6 using ruby-build 20220910.1)

So after googling I found that we can do this:

CFLAGS="-Wno-error=implicit-function-declaration" RUBY_CONFIGURE_OPTS='--with-readline-dir=/usr/local/opt/readline/' arch -x86_64 rbenv install 2.4.6

and it worked!

that's it bye!

Learned by victor-delarocha on Sep 27, 2022

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