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Install mysql2 on MacOS Catalina


Installing mysql2 gem errors on MacOS Catalina.


Make sure openssl is installed on Mac via Homebrew.

brew install openssl

Install mariadb connector which includes all libraries required for most packages.

brew tap frnhr/homebrew-mariadb-connector-c-2
brew install frnhr/mariadb-connector-c-2/mariadb-connector-c

Install mysql2 gem.

env ARCHFLAGS="-arch x86_64" gem install mysql2 -v '0.5.2' -- --with-mysql-config=/usr/local/Cellar/mariadb-connector-c/2.2.2/bin/mariadb_config  --with-ldflags=-L/usr/local/opt/openssl/lib --with-cppflags=-I/usr/local/opt/openssl/include

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NBlixt commented Jul 1, 2020

I'm getting a 404 error with the second command (brew install frnhr/mariadb-connector-c-2/mariadb-connector-c).

% brew install frnhr/mariadb-connector-c-2/mariadb-connector-c
Updating Homebrew...
==> Auto-updated Homebrew!
Updated 1 tap (homebrew/core).
==> Updated Formulae

==> Installing mariadb-connector-c from frnhr/mariadb-connector-c-2
==> Downloading
curl: (22) The requested URL returned error: 404 Not Found
Error: Failed to download resource "mariadb-connector-c"
Download failed:
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