以下是筆記:
一.修改Gemfile
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gem 'rmagick', '2.13.2' |
二.安裝必要套件
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sudo apt-get install imagemagick libmagickcore-dev |
然後bundle,這時會跑以下訊息
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Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension. /home/eason/.rvm/rubies/ruby-2.0.0-p247/bin/ruby extconf.rb checking for Ruby version >= 1.8.5... yes checking for gcc... yes checking for Magick-config... yes checking for ImageMagick version >= 6.4.9... yes checking for HDRI disabled version of ImageMagick... yes checking for stdint.h... yes checking for sys/types.h... yes checking for wand/MagickWand.h... no Can't install RMagick 2.13.2. Can't find MagickWand.h. *** extconf.rb failed *** Could not create Makefile due to some reason, probably lack of necessary libraries and/or headers. Check the mkmf.log file for more details. You may need configuration options. Provided configuration options: --with-opt-dir --without-opt-dir --with-opt-include --without-opt-include=${opt-dir}/include --with-opt-lib --without-opt-lib=${opt-dir}/lib --with-make-prog --without-make-prog --srcdir=. --curdir --ruby=/home/eason/.rvm/rubies/ruby-2.0.0-p247/bin/ruby Gem files will remain installed in /home/eason/.rvm/gems/ruby-2.0.0-p247/gems/rmagick-2.13.2 for inspection. Results logged to /home/eason/.rvm/gems/ruby-2.0.0-p247/gems/rmagick-2.13.2/ext/RMagick/gem_make.out An error occurred while installing rmagick (2.13.2), and Bundler cannot continue. Make sure that `gem install rmagick -v '2.13.2'` succeeds before bundling. |
原因為找不到 MagickWand.h
這時再安裝以下
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sudo apt-get install libmagickwand-dev |
然後再bundle一次應該就可以了
