MacOS 无法安装 Jekyll Gem

Question

我已尽一切努力尝试安装 jekyll gem。我卸载/重新安装了 rbenv，安装了 ruby​​ 2.6.1，将其设置为全局，运行 xcode-select --install 大约 1000 次，运行 xcode-select --switch /Library/Developer/CommandLineTools 和 gem update --system 以及其他各种堆栈溢出修复。这些都没有奏效。每次，我都会收到这个熟悉的错误消息：

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

    current directory: /usr/local/lib/ruby/gems/2.6.0/gems/http_parser.rb-0.6.0/ext/ruby_http_parser
/usr/local/opt/ruby/bin/ruby -I 
/usr/local/Cellar/ruby/2.6.1/lib/ruby/2.6.0 -r ./siteconf20190302-90413-16ok71q.rb extconf.rb
creating Makefile

current directory: /usr/local/lib/ruby/gems/2.6.0/gems/http_parser.rb-0.6.0/ext/ruby_http_parser
make "DESTDIR=" clean

current directory: /usr/local/lib/ruby/gems/2.6.0/gems/http_parser.rb-0.6.0/ext/ruby_http_parser
make "DESTDIR="
compiling ruby_http_parser.c
In file included from ruby_http_parser.c:1:
In file included from /usr/local/Cellar/ruby/2.6.1/include/ruby-2.6.0/ruby.h:33:
In file included from /usr/local/Cellar/ruby/2.6.1/include/ruby-2.6.0/ruby/ruby.h:29:
/usr/local/Cellar/ruby/2.6.1/include/ruby-2.6.0/ruby/defines.h:123:10: fatal error: 'stdio.h' file not found
#include <stdio.h>
         ^~~~~~~~~
1 error generated.
make: *** [ruby_http_parser.o] Error 1

make failed, exit code 2

Gem files will remain installed in /usr/local/lib/ruby/gems/2.6.0/gems/http_parser.rb-0.6.0 for inspection.
Results logged to 
/usr/local/lib/ruby/gems/2.6.0/extensions/x86_64-darwin-18/2.6.0/http_parser.rb-0.6.0/gem_make.out

编辑：

我使用的是 MacOS 10.14，这是我的 gem 环境：

RubyGems Environment:
  - RUBYGEMS VERSION: 3.0.2
  - RUBY VERSION: 2.6.1 (2019-01-30 patchlevel 33) [x86_64-darwin18]
  - INSTALLATION DIRECTORY: /usr/local/lib/ruby/gems/2.6.0
  - USER INSTALLATION DIRECTORY: /Users/<username>/.gem/ruby/2.6.0
  - RUBY EXECUTABLE: /usr/local/opt/ruby/bin/ruby
  - GIT EXECUTABLE: /usr/bin/git
  - EXECUTABLE DIRECTORY: /usr/local/lib/ruby/gems/2.6.0/bin
  - SPEC CACHE DIRECTORY: /Users/<username>/.gem/specs
  - SYSTEM CONFIGURATION DIRECTORY: 
    /usr/local/Cellar/ruby/2.6.1/etc
  - RUBYGEMS PLATFORMS:
        - ruby
        - x86_64-darwin-18
  - GEM PATHS:
        - /usr/local/lib/ruby/gems/2.6.0
        - /Users/<username>/.gem/ruby/2.6.0
        - /usr/local/Cellar/ruby/2.6.1/lib/ruby/gems/2.6.0
  - GEM CONFIGURATION:
        - :update_sources => true
        - :verbose => true
        - :backtrace => false
        - :bulk_threshold => 1000
  - REMOTE SOURCES:
        - https://rubygems.org/
  - SHELL PATH:
        - /usr/local/opt/ruby/bin
        - /bin
        - /Users/<username>/.rbenv/shims
        - /Users/<username>/.rbenv/bin
        - /Library/Frameworks/Python.framework/Versions/3.6/bin
        - /usr/local/bin
        - /usr/bin
        - /bin
        - /usr/sbin
        - /sbin
        - /opt/X11/bin
        - /usr/local/share/dotnet
        - /usr/local/go/bin
        - /Users/<username>/.rbenv/bin
        - /Users/<username>/.rbenv/shims
        - /Users/<username>/.rbenv/shims
        - /Users/<username>/.rbenv/bin
        - /Library/Frameworks/Python.framework/Versions/3.6/bin
        - /usr/local/bin
        - /usr/bin
        - /bin
        - /usr/sbin
        - /sbin
        - /usr/local/go/bin
        - /usr/local/share/dotnet
        - /opt/X11/bin
        - /Users/<username>/.rbenv/bin
        - /Users/<username>/.rbenv/shims
        - /bin

不知道为什么我的 $PATH 中有这么多重复项，但可能是因为我的 bash_profile。

Answer 1

看起来您的 PATH 设置正在加载系统 ruby​​，而不是您的 rbenv ruby​​。

尝试从您的 .bash_profile 中删除这一行，因为您不想使用系统 ruby​​，而是使用来自 RBENV 的版本。

/usr/local/opt/ruby/bin

如果这不起作用，我不确定为什么您的路径中有如此多的重复项，可能是因为多次尝试使用 RBENV。

我建议首先重新安装 RBENV。您首先需要通过以下操作uninstall RBENV：

grep rbenv ~/.bashrc ~/.bash_profile ~/.zshrc /etc/profile /etc/profile.d/*

删除文件中可能包含 RBENV 的所有行。

移除 rbenv

rm -rf ~/.rbenv 

如果你使用 homebrew 安装 rbenv，那么

brew uninstall rbenv

然后brew doctor 看看是否还有其他值得关注的报告。

关闭所有正在运行的终端，然后打开一个新终端。然后再次检查gem env，您应该会看到一个更干净的状态，与RBENV 无关，只有您的系统红宝石。

或者，如果您愿意，也可以先尝试 RVM，如需这样做，请参阅 https://rvm.io/rvm/install

之后您可能需要重新启动终端，然后转到您的中间人项目文件夹并运行

bundle install