LLVM构建openEuler软件包兼容性问题分析及解决（Part I）

### 项目名称
LLVM构建openEuler软件包兼容性问题分析及解决（Part I）

### 项目描述：
#### 背景
LLVM编译器凭借其良好的架构、灵活的license和繁荣的社区，逐渐成为影响力最大的开源编译器工具链之一，业界主流厂商已将自身的编译器切换到LLVM版本，OS社区也纷纷拥抱LLVM编译器技术栈。openEuler社区提交[LLVM平行宇宙计划oEEP](https://gitee.com/openeuler/TC/blob/master/oEEP/oEEP-0003%20LLVM%E5%B9%B3%E8%A1%8C%E5%AE%87%E5%AE%99%E8%AE%A1%E5%88%92--%E5%9F%BA%E4%BA%8ELLVM%E6%8A%80%E6%9C%AF%E6%A0%88%E6%9E%84%E5%BB%BAoE%E8%BD%AF%E4%BB%B6%E5%8C%85.md),旨在探索基于LLVM构建openEuler的工作。

#### 项目内容
本项目要求开发者分析并解决如下软件包构建/运行时兼容性问题。

软件包列表
| 软件包名 | 上游社区  |
| ----------- | ----------- |
| https://gitee.com/src-openeuler/openssh    | https://github.com/openssh/openssh-portable|
| https://gitee.com/src-openeuler/perl-XML-LibXML | https://github.com/shlomif/perl-XML-LibXML |
| https://gitee.com/src-openeuler/pkcs11-helper | https://github.com/OpenSC/OpenSC |
| https://gitee.com/src-openeuler/python-dmidecode | https://github.com/nima/python-dmidecode | 
| https://gitee.com/src-openeuler/rarian | https://gitlab.freedesktop.org/rarian/rarian |
| https://gitee.com/src-openeuler/satyr | https://github.com/abrt/satyr |
| https://gitee.com/src-openeuler/sysstat | https://github.com/sysstat/sysstat |
| https://gitee.com/src-openeuler/tpm2-tss |https://github.com/tpm2-software/tpm2-tss |
| https://gitee.com/src-openeuler/trace-cmd | https://github.com/rostedt/trace-cmd |
| https://gitee.com/src-openeuler/vdo | https://github.com/dm-vdo/vdo |
| https://gitee.com/src-openeuler/python-sybil | https://github.com/simplistix/sybil |

### 项目综合难度：
基础

### 技术领域标签：
编译器、操作系统

### 编程语言标签：
C/C++、Makefile等

### 项目产出要求：
（1）修复软件包的构建或运行问题，且不影响当前默认的构建行为。问题复现及修复指导[详见这里](https://gitee.com/openeuler/compiler-docs/tree/master/LLVM%20Parallel%20Universe%20Project)。
（2）修改软件包涉及的patch提交到相应的上游社区。
（3）总结软件包修复工作的分析和解决过程，提交到[这里](https://gitee.com/openeuler/compiler-docs/tree/master/LLVM%20Parallel%20Universe%20Project/%E9%97%AE%E9%A2%98%E5%AE%9A%E4%BD%8D%E6%80%BB%E7%BB%93)。

### 项目技术要求：
* 掌握自动化构建工具，如rpmbuild、cmake等基础命令。
* 熟悉LLVM编译器常用编译选项使用。
* 熟悉linux操作系统。

### 项目成果提交仓库：
https://gitee.com/openeuler/compiler-docs

### 项目相关参考资料：
问题复现及修复指导：https://gitee.com/openeuler/compiler-docs/tree/master/LLVMParallelUniverseProject
openEuler社区贡献指导：https://www.openeuler.org/zh/community/contribution/detail.html

### 项目导师名字&导师邮箱：
赵川峰@cf-zhao  邮箱：zhaochuanfeng@huawei.com

### Project Name 
 LLVM Building Package Compatibility Analysis and Resolution (Part II)

###  Project Description:

**Background**

The LLVM Compiler has a good architecture, flexible licenses, and a thriving community. It has gradually become one of the most influential open source compiler tool chains. Mainstream vendors in the industry have switched their compilers to the LLVM version, and the OS community has embraced the LLVM compiler technology stack. The openEuler community submits [LLVM Parallel Universe Project oEEP](https://gitee.com/openeuler/TC/blob/master/oEEP/oEEP-0003%20LLVM%E5%B9%B3%E8%A1%8C%E5%AE%87%E5%AE%99%E8%AE%A1%E5%88%92--%E5%9F%BA%E4%BA%8ELLVM%E6%8A%80%E6%9C%AF%E6%A0%88%E6%9E%84%E5%BB%BAoE%E8%BD%AF%E4%BB%B6%E5%8C%85.md) to explore the work of building openEuler based on LLVM.

**Project Content**

This project requires developers to analyze and resolve the following software package build runtime compatibility issues:

Software package list

| Package name | Uptream URL |
| ----------- | ----------- |
| https://gitee.com/src-openeuler/openssh    | https://github.com/openssh/openssh-portable|
| https://gitee.com/src-openeuler/perl-XML-LibXML | https://github.com/shlomif/perl-XML-LibXML |
| https://gitee.com/src-openeuler/pkcs11-helper | https://github.com/OpenSC/OpenSC |
| https://gitee.com/src-openeuler/python-dmidecode | https://github.com/nima/python-dmidecode | 
| https://gitee.com/src-openeuler/rarian | https://gitlab.freedesktop.org/rarian/rarian |
| https://gitee.com/src-openeuler/satyr | https://github.com/abrt/satyr |
| https://gitee.com/src-openeuler/sysstat | https://github.com/sysstat/sysstat |
| https://gitee.com/src-openeuler/tpm2-tss |https://github.com/tpm2-software/tpm2-tss |
| https://gitee.com/src-openeuler/trace-cmd | https://github.com/rostedt/trace-cmd |
| https://gitee.com/src-openeuler/vdo | https://github.com/dm-vdo/vdo |
| https://gitee.com/src-openeuler/python-sybil | https://github.com/simplistix/sybil |

### Comprehensive project difficulty:

Basic

### Technical field label:

Compiler, operating system

### Programming language label:

C/C++, Makefile, etc.

### Project output requirements:

(1) Fix software package building or running problems. and does not affect the current default build behavior. For details about how to reproduce and rectify the problem, see [here](https://gitee.com/openeuler/compiler-docs/tree/master/LLVM%20Parallel%20Universe%20Project). 
 (2) Submit the patch involved in the software package to the corresponding upstream community. 
 (3) Summarize the analysis and resolution of the software package repair work and submit it to [here](https://gitee.com/openeuler/compiler-docs/tree/master/LLVM%20Parallel%20Universe%20Project/%E9%97%AE%E9%A2%98%E5%AE%9A%E4%BD%8D%E6%80%BB%E7%BB%93).

### Project technical requirements:

- Have a good command of automatic build tools, such as basic commands such as rpmbuild and cmake. 
 - Be familiar with the common compilation options of the LLVM compiler. 
 - Familiar with the Linux operating system.

### Project achievement submission warehouse:

https://gitee.com/openeuler/compiler-docs

### Project Reference:

Problem reproduction and fixing guide: https://gitee.com/openeuler/compiler-docs/tree/master/LLVMParallelUniverseProject
openEuler Community Contribution Guide: https://www.openeuler.org/zh/community/contribution/detail.html

# Project Mentor Name & Mentor Email:

Chuanfeng Zhao@cf-zhao  邮箱：zhaochuanfeng@huawei.com

openEuler/open-source-summer

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