Homebrew is usually pretty good at installing ImageMagick and I was wondering why it threw the following error when I tried to configure an old Rails project in macOS Sierra. I had run
brew install imagemagick before installing the RMagick gem and still got this -
checking for Ruby version >= 1.8.5... yes checking for /usr/local/Cellaremail@example.com/4.9.3_1/bin/gcc-4.9... yes checking for Magick-config... no Can't install RMagick 2.13.2. Can't find Magick-config in <snip>
Turns out Homebrew installed
ImageMagick 7.0.4-6 and it doesn't have
Magick-config executable in its
bin directory, instead it has
Got the gem installed by downgrading ImageMagick to version 6 as follows.
# Uninstall ImageMagick 7 brew uninstall imagemagick brew install imagemagick@6 brew link imagemagick@6 --force
Now we can install the gem.
gem install rmagick -v '2.13.2'
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