gem rMagick 未安装在 ubuntu 18.04 上

Question

我正在使用 Rails 4.2.7 应用程序。 该应用程序几天前运行良好，但突然当我尝试安装捆绑包时出现错误....'

An error occurred while installing rmagick (2.15.4), and Bundler 
cannot continue.
Make sure that `gem install rmagick -v '2.15.4' --source 
'https://rubygems.org/'` succeeds before bundling.'

当我运行“gem install rmagick -v '2.15.4”时出现错误

Building native extensions. This could take a while...
ERROR:  Error installing rmagick:
ERROR: Failed to build gem native extension.

current directory: /home/shahroz/.rvm/gems/ruby-2.2.3@hh-web- 
platform/gems/rmagick-2.15.4/ext/RMagick
/home/shahroz/.rvm/rubies/ruby-2.2.3/bin/ruby -r ./siteconf20190411- 
829-1e8ve9u.rb extconf.rb
checking for gcc... yes
checking for Magick-config... no
checking for pkg-config... yes
checking for outdated ImageMagick version (<= 6.4.9)... no
checking for Ruby version >= 1.8.5... yes
checking for stdint.h... yes
checking for sys/types.h... yes
checking for wand/MagickWand.h... no

Can't install RMagick 2.15.4. 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/shahroz/.rvm/rubies/ruby- 
   2.2.3/bin/$(RUBY_BASE_NAME)

   To see why this extension failed to compile, please check the 
   mkmf.log which can be found here:

    /home/shahroz/.rvm/gems/ruby-2.2.3@hh-web- 
   platform/extensions/x86_64- 
   linux/2.2.0/rmagick-2.15.4/mkmf.log

   extconf failed, exit code 1

   Gem files will remain installed in /home/shahroz/.rvm/gems/ruby- 
   2.2.3@hh-web-platform/gems/rmagick-2.15.4 for inspection.
   Results logged to /home/shahroz/.rvm/gems/ruby-2.2.3@hh-web- 
  platform/extensions/x86_64-linux/2.2.0/rmagick-2.15.4/gem_make.out

我尝试了以下命令，但对我没有任何作用，

sudo apt-get install graphicsmagick-libmagick-dev-compat 
libmagickcore-dev libmagickwand-dev

sudo apt-get install libmagickwand-dev imagemagick

我想要安装 gem rmagick。

Answer 1

试试这个并告诉我你是否服务过

sudo apt install imagemagick libmagickcore-dev libmagickwand-dev

Answer 2

以下命令对我不起作用，它掉线并中止错误。

sudo apt install imagemagick libmagickcore-dev libmagickwand-dev

什么对我有用：

sudo apt install libmagickcore-dev

分别安装它们就成功了，不知道为什么……在意识到这一点后 6 小时撞了我的头。