Question

我在安装cups 0.1.10 gem时遇到问题。在我的项目文件夹上运行bundle install时，由于以下错误，进程被中断：

Gem::Ext::BuildError: ERROR: Failed to build gem native extension.

current directory: /tmp/bundler20170801-5492-c0toxgcups-0.1.10/gems/cups-0.1.10/ext
/usr/bin/ruby2.3 -r ./siteconf20170801-5492-1frgnir.rb extconf.rb
checking for main() in -lcups... no
*** 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=/usr/bin/$(RUBY_BASE_NAME)2.3
    --with-cupslib
    --without-cupslib
Couldn't find CUPS libraries on your system. Check they're installed and in your path.

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

  /tmp/bundler20170801-5492-c0toxgcups-0.1.10/extensions/x86_64-linux/2.3.0/cups-0.1.10/mkmf.log

extconf failed, exit code 1

Gem files will remain installed in /tmp/bundler20170801-5492-c0toxgcups-0.1.10/gems/cups-0.1.10 for inspection.
Results logged to /tmp/bundler20170801-5492-c0toxgcups-0.1.10/extensions/x86_64-linux/2.3.0/cups-0.1.10/gem_make.out

An error occurred while installing cups (0.1.10), and Bundler cannot continue.
Make sure that `gem install cups -v '0.1.10'` succeeds before bundling.

我已经在OS X Sierra 10.12.6上克隆了存储库，我完全没有问题。我尝试使用rvm来安装和使用OS X上安装的相同版本的ruby，但仍然没有运气。

Ruby on Linux Mint的系统版本为ruby2.3.1pp112，我还使用ruby-dev安装了sudo apt-get install ruby2.3-dev，因为我在很多地方都读过这个版本，这是一个合适的解决方案。问题，但它坚持。

Answer 1

错误消息是：

Couldn't find CUPS libraries on your system. Check they're installed and in your path.

安装CUPS库并重试bundle install：

sudo apt-get install libcups2-dev
sudo apt-get install libcupsimage2-dev

这是Ruby安装宝石时常见的模式;如果必须编译依赖于第三方库的本机扩展，则需要先安装第三方库。其他宝石（如mysql2，pg和nokogiri都具有相同的行为，需要安装相应的库。

在Linux Mint上安装cups Gem时出错

1 个答案: