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Created July 12, 2019 13:28
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Installing MySQL2 on Mac OS X Mojave (2019 edition)
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help.md

mysql2 install failing on Mac OS X (Mojave)

If you want to install the gem (client) without having a database, doing brew install mysql-connector-c used to work, but not anymore.

You now have to install a compatible connector (mariadb):

brew install mariadb-connector-c
bundle config build.mysql2 "--with-mysql-config=$(brew info mariadb-connector-c | grep /usr/local | cut -d ' ' -f 1)/bin/mariadb_config"
bundle install

You may also have to install missing headers (see brianmario/mysql2#1045):

sudo installer -pkg /Library/Developer/CommandLineTools/Packages/macOS_SDK_headers_for_macOS_10.14.pkg -target /

Related ressources:

@devstuff
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You can avoid the grep and cut by using brew --prefix:

brew install mariadb-connector-c
bundle config build.mysql2 "--with-mysql-config=$(brew --prefix mariadb-connector-c)/bin/mariadb_config"
bundle install

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