Centos 7.4 编译 OpenJDK 8

逃离我推掉我的手 2023-01-10 05:22 137阅读 0赞

看了网上一些教程，总会遇到各种问题。先把坑列出来

*  坑1、安装 hg，下载 openJDK 8 的源码，我本地各种卡住不动，没法进行下去。
 *  坑2、如果不使用 hg，直接在官网下载的 tar.gz 压缩的源码是不完整，编译时报错，缺目录与文件。
 *  坑3、安装 JDK7，只装 jre 不行，还需要 jdk。

1、可以从 github 上下载源码，当时不是最新的，比如我找了一个版本

[https://github.com/openjdk/jdk/tree/jdk8-b120][https_github.com_openjdk_jdk_tree_jdk8-b120]

Centos 7.4 机器如果没有 git，可以直接下载 zip 文件，使用 unzip 解压

wget [https://github.com/openjdk/jdk/archive/jdk8-b120.zip][https_github.com_openjdk_jdk_archive_jdk8-b120.zip]

2、yum 安装相关工具类库，每个环境不一样，需要安装的也不一样，以下是我网上找的教程然后去了重

yum install -y xrender
    yum install -y freetype
    yum install -y ccache
    yum install -y zip unzip
    yum -y install zlib zlib-devel
    yum -y install bzip2 bzip2-devel
    yum -y install ncurses ncurses-devel
    yum -y install readline readline-devel
    yum -y install openssl openssl-devel
    yum -y install openssl-static
    yum -y install xz lzma xz-devel
    yum -y install sqlite sqlite-devel
    yum -y install gdbm gdbm-devel
    yum -y install tk tk-devel
    yum -y install libffi-devel 
    yum -y groupinstall "Development Tools" 
    yum -y install libXtst-devel libXt-devel libXrender-devel
    yum -y install alsa-lib-devel cups-devel libX* gcc gcc-c++ freetype-devel libstdc++-static ant make

3、安装 openJDK7，用于启动编译 JDK8

sudo yum install java-1.7.0-openjdk
    sudo yum install java-1.7.0-openjdk-devel

4、设置环境变量，不然编译报错找不到环境

vi build_jdk.env
    unset CLASSPATH
    unset JAVA_HOME
    source build_jdk.env

5、修改 JDK 8 源码目录下的 configure，进行可执行授权

chmod +x configure

6、执行 configure

./configure --with-debug-level=fastdebug

7、执行 make

make

虚拟机内，编译耗时 20 分钟的样子。

![4dda4d8f0a22f4de33c14829f58042c1.png][]

这个参考是最有效的：

[https://my.oschina.net/u/3712005/blog/4549641][https_my.oschina.net_u_3712005_blog_4549641]

--------------------

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*  [Arthas 体验][Arthas]
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### 【Java面试题与答案】整理推荐 ###

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 *  [异常][Link 12]
 *  [文件解析与生成][Link 13]
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[https_github.com_openjdk_jdk_tree_jdk8-b120]: https://github.com/openjdk/jdk/tree/jdk8-b120
[https_github.com_openjdk_jdk_archive_jdk8-b120.zip]: https://github.com/openjdk/jdk/archive/jdk8-b120.zip
[4dda4d8f0a22f4de33c14829f58042c1.png]: /images/20221119/880d6ccbcc8944cf8bbbeedf02ee1dba.png
[https_my.oschina.net_u_3712005_blog_4549641]: https://my.oschina.net/u/3712005/blog/4549641
[Arthas]: https://www.javanav.com/val/8c4d0944606d4ef7a6e5bc1a5773010b.html
[Centos 7.4 _ OpenJDK 8]: https://www.javanav.com/val/9ab53ed895974be8986d79ef64aa1087.html
[MAT]: https://www.javanav.com/val/c3466d5a4ae54cbbacff48a77764eefc.html
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[Java 1]: https://www.javanav.com/val/f6a20dc008d6431bb54ba6afc71cbefe.html
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[MySQL]: https://www.javanav.com/interview/d311e78502a845f1a4bb307bd6aec2b3.html
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