BlueRoseNote/07-Other/MAC/安装Mac UE开发环境.md

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安装homebrew

参考:

国内镜像安装命令:

/bin/bash -c "$(curl -fsSL https://gitee.com/ineo6/homebrew-install/raw/master/install.sh)"

安装完之后需要替换源:

1.必备设置

  • 替换 brew.git
git -C "$(brew --repo)" remote set-url origin https://mirrors.ustc.edu.cn/brew.git
  • 替换 homebrew-core.git
git -C "$(brew --repo homebrew/core)" remote set-url origin https://mirrors.ustc.edu.cn/homebrew-core.git

2.按需设置

  • 替换 homebrew-cask.git
git -C "$(brew --repo homebrew/cask)" remote set-url origin https://mirrors.ustc.edu.cn/homebrew-cask.git
  • 替换homebrew-bottles 首先要先区分你的mac用哪种终端工具如果是 bash则执行
echo 'export HOMEBREW_BOTTLE_DOMAIN=https://mirrors.ustc.edu.cn/homebrew-bottles' >> ~/.bash_profile
source ~/.bash_profile

若是 zsh则执行

echo 'export HOMEBREW_BOTTLE_DOMAIN=https://mirrors.ustc.edu.cn/homebrew-bottles' >> ~/.zshrc
source ~/.zshrc

macOS开发环境

https://ue5wiki.com/wiki/2329190d/

运行生成解决方案.sh时会提示

ERROR: Invalid SDK MacOSX.sdk, not found in /Library/Developer/CommandLineTools/Platforms/MacOSX.platform/Developer/SDKs

确认安装Xcode之后执行

sudo ln -s /Applications/Xcode.app/Contents/Developer/Platforms /Library/Developer/CommandLineTools/Platforms

为 xcode 开启多线程编译

AMD CPU信息查看APP https://github.com/trulyspinach/SMCAMDProcessor/releases/tag/0.7.1

首先看一下 Mac 的硬件配置:

sysctl machdep.cpu

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:

defaults write com.apple.Xcode PBXNumberOfParallelBuildSubtasks 16

编译流程

  • 先编译ShaderCompileWork
  • 后编译UE5

macOS 13.4 Xcode 14.3编译UE5.1会报错,

using UnrealBuildTool;
using System.Collections.Generic;

public class YourGameTarget : TargetRules
{
	public YourGameTarget(TargetInfo Target) : base(Target)
	{
        if(Target.Platform == UnrealTargetPlatform.Mac)
        {
            bOverrideBuildEnvironment = true;
            AdditionalCompilerArguments = "-Wno-deprecated-pragma";  // you can add more separated with spaces here
        }

      ...
	}
}