安装crystal环境

curl https://dist.crystal-lang.org/apt/setup.sh | sudo bash

然后

1 2 3

apt-key adv --keyserver keys.gnupg.net --recv-keys 09617FD37CC06B54 echo "deb https://dist.crystal-lang.org/apt crystal main" > /etc/apt/sources.list.d/crystal.list apt-get update

安装

1	sudo apt-get install crystal

（其实curl https://dist.crystal-lang.org/apt/setup.sh | sudo bash

然后sudo apt-get install crystal 即可安装crystal)

from http://www.crystal-lang.top/2017/12/31/install/

http://doc.crystal-lang.top/install/

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Redhat/Centos

curl https://dist.crystal-lang.org/rpm/setup.sh | sudo bash
rpm --import https://dist.crystal-lang.org/rpm/RPM-GPG-KEY

cat > /etc/yum.repos.d/crystal.repo <<END
[crystal]
name = Crystal
baseurl = https://dist.crystal-lang.org/rpm/
END
sudo yum install crystal

#更新
sudo yum update crystal

Arch

sudo pacman -S crystal

Gentoo

# equery u dev-lang/crystal
[ Legend : U - final flag setting for installation]
[        : I - package is installed with flag     ]
[ Colors : set, unset                             ]
 * Found these USE flags for dev-lang/crystal-0.18.7:
 U I
 - - doc      : Add extra documentation (API, Javadoc, etc). It is recommended to enable per package instead of globally
 - - examples : Install examples, usually source code
 + + xml      : Use the dev-libs/libxml2 library to enable Crystal xml module
 + - yaml     : Use the dev-libs/libyaml library to enable Crystal yaml module

 su -
emerge -a dev-lang/crystal

Mac-Osx

brew update
brew install crystal-lang

Linuxbrew

brew update
brew install crystal-lang

Ubuntu bash - windows

需要win10自带的Ubuntu环境， 安装方法同Ubuntu安装一样。

预编译文件安装

到此处 下载已编译好的二进制，把它放到环境变量的目录下就可以直接在命令行中运行。

源码安装

1. 安装最新的crystal并带上参数 --with-llvm
2. 安装所有的依赖库
3. 最好先参考一下这个
4. 克隆版本库

git clone https://github.com/crystal-lang/crystal.git

# 运行 make命令创建自己的crystal编译器
# 运行 make spec命令测试新的版本是否存在错误
# 使用 bin/crystal  
# 事实上 ，编译生成的crystal是 .build/crystal