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ruby-on-rails - 使用 RVM 安装 Ruby 时如何修复错误？

问题描述

我的操作系统是 macOS Catalina 10.15.7，我目前安装了 ruby​​ 2.6.3。

我尝试使用 RVM 安装 Ruby，但它给出了错误。

▶ rvm use ruby --install --default 
> Required ruby-3.0.0 is not installed 
> installing. ruby-3.0.0 - #removing src/ruby-3.0.0 - please
> wait Searching for binary rubies, this might take some time. No binary
> rubies available for: osx/10.15/x86_64/ruby-3.0.0. Continuing with
> compilation. Please read 'rvm help mount' to get more information on
> binary rubies. Checking requirements for osx. Certificates bundle
> '/usr/local/etc/openssl@1.1/cert.pem' is already up to date.
> Requirements installation successful. Installing Ruby from source to:
> /Users/soonersoft/.rvm/rubies/ruby-3.0.0, this may take a while
> depending on your cpu(s)... ruby-3.0.0 - #downloading ruby-3.0.0, this
> may take a while depending on your connection... ruby-3.0.0 -
> #extracting ruby-3.0.0 to /Users/soonersoft/.rvm/src/ruby-3.0.0 - please wait ruby-3.0.0 - #configuring - please wait Error running 'env
> CFLAGS=-O3 -I/usr/local/opt/libyaml/include
> -I/usr/local/opt/libksba/include -I/usr/local/opt/readline/include -I/usr/local/opt/zlib/include -I/usr/local/opt/openssl@1.1/include LDFLAGS=-L/usr/local/opt/libyaml/lib -L/usr/local/opt/libksba/lib
> -L/usr/local/opt/readline/lib -L/usr/local/opt/zlib/lib -L/usr/local/opt/openssl@1.1/lib ./configure --prefix=/Users/soonersoft/.rvm/rubies/ruby-3.0.0 --disable-install-doc --enable-shared', please read /Users/soonersoft/.rvm/log/1612806268_ruby-3.0.0/configure.log There
> has been an error while running configure. Halting the installation.
> Gemset '' does not exist, 'rvm ruby-3.0.0 do rvm gemset create '
> first, or append '--create'.

有没有人遇到过同样的错误？如果是这样，你是如何解决这个问题的？

标签： ruby-on-railsrubymacosgcc

解决方案

要遵循的常见步骤如下：

ruby -v                         # To Check the current ruby version (if installed)
rvm install ruby-X.X.X          # To Install a specific ruby version
rvm list                        # To List the existing ruby versions                                    
rvm use ruby-X.X.X              # To Choose a version to use from the list ☝︎
rvm use ruby-X.X.X --default    # To Set a version as default

而且，正如@Tarek N. Elsamni 提到的：

rvm use ruby --install --default --create   # To create default gemset for Rails (visible in the last line of your error message)

您始终可以rvm list在安装之前和之后运行，因为它可以让您更好地了解您已安装的所有 ruby​​ 版本。

↳ 输出示例：

DRG@GALVEZWEB current_project % rvm list     

       ruby-2.6.6 [ x86_64 ]
       ruby-2.7.1 [ x86_64 ]
    =* ruby-3.0.0 [ x86_64 ]

    # => - current
    # =* - current && default
    #  * - default

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