rmagick gem 未安装在 Windows 上

Question

我正在尝试为 redmine 安装所有 ruby​​ gems 离子窗口。 每次我低于例外

C:\xampp\htdocs\dev-ruby\redmine>gem install rmagick
Temporarily enhancing PATH to include DevKit...
Building native extensions.  This could take a while...
ERROR:  Error installing rmagick:
ERROR: Failed to build gem native extension.
C:/xampp/ruby/RailsInstaller/Ruby2.2.0/bin/ruby.exe extconf.rb
*** 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=C:/xampp/ruby/RailsInstaller/Ruby2.2.0/bin/$(RUBY_BASE_NAME)
extconf.rb:141:in ``': No such file or directory - identify -version (Errno::ENOENT)
from extconf.rb:141:in `configure_compile_options'
from extconf.rb:16:in `initialize'
from extconf.rb:548:in `new'
from extconf.rb:548:in `<main>'
extconf failed, exit code 1
Gem files will remain installed in C:/xampp/ruby/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/rmagick-2.16.0 for inspection.
Results logged to C:/xampp/ruby/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/extensions/x86-mingw32/2.2.0/rmagick-2.16.0/gem_make.out

Answer 1

rmagick 只是ImageMagick的包装器。 extconf.rb通过运行identify检查 ImageMagick 的存在，它是 ImageMagick 提供的程序之一。 它没有找到它，因此No such file or directory消息。

您需要安装 ImageMagick 并确保其可执行文件在您的路径中。

确保在你运行gem install rmagick的同一个地方你也可以成功运行identify -version 。

Answer 2

这个话题有点难解决，因为 ImageMagick 的问题可能是由多种原因引起的。

对于任何像我一样感觉有点迷茫的人，我推荐这个帮助我解决问题的链接： https : //medium.com/ruby-on-rails-web-application-development/install-rmagick-gem-on-windows -7-8-10-imagemagick-6-9-4-q16-hdri-5492c3fef202