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→Compilation system requirements
== Compilation system requirements ==
The Linux SDK, '''orangepi-build''', only supports running on X64 computers with '''<span style="color:#FF0000">Ubuntu 22.04</span>''' installed. Therefore, before downloading orangepi-build, please first ensure that the Ubuntu version installed on your computer is Ubuntu 22.04. The command to check the Ubuntu version installed on the computer is as follows. If the Release field does not display '''<span style="color:#FF0000">22.04</span>''', it means that the Ubuntu version currently used does not meet the requirements. Please change the system before performing the following operations.
{| class="wikitable" style="width:800px;"
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test@test:~$ '''lsb_release -a'''
Description: Ubuntu 22.04 LTS
Release: '''<span style="color:#FF0000">22.04</span>'''
Codename: '''jammy'''
|}
If the computer is installed with a Windows system and does not have Ubuntu 22.04 installed on it, you can consider using'''VirtualBox''' or '''VMware''' to install an Ubuntu 22.04 virtual machine in the Windows system. But please note, do not compile orangepi-build on the WSL virtual machine, because orangepi-build has not been tested in the WSL virtual machine, so there is no guarantee that orangepi-build can be used normally in WSL. In addition, please do not compile the Linux system on the development board. Use orangepi-build. The installation image download address of Ubuntu 22.04 amd64 version is:
{| class="wikitable" style="width:800px;"
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[https://repo.huaweicloud.com/ubuntu-releases/21.04/ubuntu-21.04-desktop-amd64.iso '''https://mirrors.tuna.tsinghua.edu.cn/ubuntu-releases/22.04/ubuntu-22.04-desktop-amd64.iso''']
|}
After installing Ubuntu 22.04 on your computer or virtual machine, please first set the software source of Ubuntu 22.04 to Tsinghua source (or other domestic sources that you think is fast), otherwise it is easy to make errors due to network reasons when installing the software later. The steps to replace Tsinghua Source are as follows:
<ol style="list-style-type: lower-alpha;">
<li>For the method of replacing Tsinghua Source, please refer to the instructions on this page.</li></ol>
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[https://mirrors.tuna.tsinghua.edu.cn/help/ubuntu/ '''https://mirrors.tuna.tsinghua.edu.cn/help/ubuntu/''']
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<ol start="2" style="list-style-type: lower-alpha;">
<li>Note that the Ubuntu version needs to be switched to 22.04.</li></ol>
[[File:zero2w-img271.png]]
</ol>
<ol start="3" style="list-style-type: lower-alpha;">
<li>The contents of the '''/etc/apt/sources.list''' file that need to be replaced are:</li></ol>{| class="wikitable" style="width:800px;" |-|
test@test:~$ '''sudo mv /etc/apt/sources.list cat /etc/apt/sources.list.bak'''
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-security main restricted universe multiverse
# Pre-release software source, not recommended to be enabled
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-proposed main restricted universe multiverse
|}</ol>
<ol start="4" style="list-style-type: lower-alpha;">
<li>After the replacement, you need to update the package information and ensure that no errors are reported.</li></ol>{| class="wikitable" style="width:800px;" |-|
test@test:~$ '''sudo apt-get update'''
|}</ol>
<ol start="5" style="list-style-type: lower-alpha;">
<li>'''<span style="color:#FF0000">In addition, since the source code of the kernel and Uboot are stored on GitHub, it is very important to ensure that the computer can download the code from GitHub normally when compiling the image.</span>'''</li></ol>
<span id="obtain-the-source-code-of-linux-sdk"></span>
== Obtain the source code of linux sdk ==
