81 lines
2.4 KiB
Markdown
81 lines
2.4 KiB
Markdown
## 安装homebrew
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参考：
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- https://www.jianshu.com/p/e0471aa6672d
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国内镜像安装命令：
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```c++
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/bin/bash -c "$(curl -fsSL https://gitee.com/ineo6/homebrew-install/raw/master/install.sh)"
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```
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安装完之后需要替换源：
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### 1.必备设置
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- 替换 brew.git：
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```bash
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git -C "$(brew --repo)" remote set-url origin https://mirrors.ustc.edu.cn/brew.git
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```
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- 替换 homebrew-core.git：
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```bash
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git -C "$(brew --repo homebrew/core)" remote set-url origin https://mirrors.ustc.edu.cn/homebrew-core.git
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```
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### 2.按需设置
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- 替换 homebrew-cask.git：
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```bash
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git -C "$(brew --repo homebrew/cask)" remote set-url origin https://mirrors.ustc.edu.cn/homebrew-cask.git
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```
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- 替换homebrew-bottles：
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首先要先区分你的mac用哪种终端工具，如果是 bash，则执行：
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```bash
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echo 'export HOMEBREW_BOTTLE_DOMAIN=https://mirrors.ustc.edu.cn/homebrew-bottles' >> ~/.bash_profile
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source ~/.bash_profile
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```
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若是 zsh，则执行：
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```bash
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echo 'export HOMEBREW_BOTTLE_DOMAIN=https://mirrors.ustc.edu.cn/homebrew-bottles' >> ~/.zshrc
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source ~/.zshrc
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```
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## macOS开发环境
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https://ue5wiki.com/wiki/2329190d/
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运行生成解决方案.sh时会提示：
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>ERROR: Invalid SDK MacOSX.sdk, not found in /Library/Developer/CommandLineTools/Platforms/MacOSX.platform/Developer/SDKs
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确认安装Xcode之后执行
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```bash
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sudo ln -s /Applications/Xcode.app/Contents/Developer/Platforms /Library/Developer/CommandLineTools/Platforms
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```
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## 为 xcode 开启多线程编译
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AMD CPU信息查看APP：
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https://github.com/trulyspinach/SMCAMDProcessor/releases/tag/0.7.1
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首先看一下 Mac 的硬件配置：
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>sysctl machdep.cpu
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找到 `machdep.cpu.core_count` 字段，其中的数值就是 Mac 的核心数。然后可以给 xcode 开启多线程，数量数为核心数 *2，如我的是 8 核，就可以开启 16 线程：
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> defaults write com.apple.Xcode PBXNumberOfParallelBuildSubtasks 16
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# 编译流程
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- 先编译ShaderCompileWork
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- 后编译UE5
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macOS 13.4 Xcode 14.3编译UE5.1会报错，
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```c++
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using UnrealBuildTool;
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using System.Collections.Generic;
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public class YourGameTarget : TargetRules
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{
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public YourGameTarget(TargetInfo Target) : base(Target)
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{
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if(Target.Platform == UnrealTargetPlatform.Mac)
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{
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bOverrideBuildEnvironment = true;
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AdditionalCompilerArguments = "-Wno-deprecated-pragma"; // you can add more separated with spaces here
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}
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...
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}
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}
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``` |