107 lines
4.0 KiB
Markdown
107 lines
4.0 KiB
Markdown
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# 问题
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使用Ubantu官方安装的系统编译的v8环境放入Puerts插件后可以正常运行；使用 adamrehn/ue4-runtime:22.04-vulkan-x11镜像下载编译环境后，编译v8环境并且放入puerts插件，运行后会报错。初步认为是编译环境有问题所致。可能是因为参与编译的libatomic.so.1库是32位的。
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![[Puerts启动错误.png]]
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# 需求
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1. 参考 adamrehn/ue4-runtime:22.04-vulkan-x11，重新构建容器
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2. 安装下列环境以进行Puerts的V8环境编译
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```bash
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sudo apt-get install clang
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sudo apt-get install libc++-dev
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sudo apt-get install libc++abi-dev
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sudo apt-get install make
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curl -sL https://deb.nodesource.com/setup_16.x | sudo -e bash -
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sudo apt-get install -y nodejs
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sudo apt-get install git
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```
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```bash
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# 下载编译脚本，脚本需要手动修改一下
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cd /home/user/Projects/
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git clone https://github.com/puerts/backend-nodejs.git
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cd /home/user/Projects/backend-nodejs/node-script
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npm install -s commander
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/home/user/Projects/backend-nodejs/linux.sh
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```
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**修改过的编译脚本**：
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```sh
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WORKSPACE=/home/user/Projects/backend-nodejs
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HOMEPATH=~
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VERSION=$1
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cd $HOMEPATH
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# git clone https://github.com/nodejs/node.git
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cd node
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# git fetch origin v$VERSION
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# git checkout v$VERSION
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echo "=====[Patching Node.js]====="
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node $WORKSPACE/node-script/do-gitpatch.js -p $WORKSPACE/patchs/lib_uv_add_on_watcher_queue_updated_v16.16.0.patch
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node $WORKSPACE/node-script/add_arraybuffer_new_without_stl.js deps/v8
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node $WORKSPACE/node-script/make_v8_inspector_export.js
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echo "=====[Building Node.js]====="
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export CC=clang
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export CXX=clang++
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export CXXFLAGS="-stdlib=libc++"
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export LDFLAGS="-stdlib=libc++"
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./configure --shared
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make -j8
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# 这后面可以的可以不要，执行需要libnode.so.93 libnode.so
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mkdir -p ../puerts-node/nodejs/include
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mkdir -p ../puerts-node/nodejs/deps/uv/include
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mkdir -p ../puerts-node/nodejs/deps/v8/include
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cp src/node.h ../puerts-node/nodejs/include
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cp src/node_version.h ../puerts-node/nodejs/include
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cp -r deps/uv/include ../puerts-node/nodejs/deps/uv
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cp -r deps/v8/include ../puerts-node/nodejs/deps/v8
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mkdir -p ../puerts-node/nodejs/lib/Linux/
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cp out/Release/libnode.so.* ../puerts-node/nodejs/lib/Linux/
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cd ../puerts-node/nodejs/lib/Linux/
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ln -s libnode.so.93 libnode.so
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cd -
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```
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## 原容器存在问题
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adamrehn/ue4-runtime:22.04-vulkan-x11存在的问题：
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1. 缺少相关编译环境。
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2. 没有设置环境变量不知道root、ue4账号密码。
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3. 参与编译的libatomic.so.1库是32位的。
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经过测试使用官方镜像安装的Ubantu可以正常进行编译（UE项目以及Puerts v8环境），并且可以正常打开项目；原容器可以编译UE项目，但因为编译的Puerts v8环境有一些问题导致无法运行Puerts。
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## 启动命令参考
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```bash
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运行UE用：
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sudo docker run --gpus=all --rm -e DISPLAY -ti \
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-v /tmp/.X11-unix:/tmp/.X11-unix:rw \
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-v /home/user/Linux_Unreal_Engine_5.1.1:/home/ue4/UnrealEngine \
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-v /home/user/Projects/AIMotionRender:/project \
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adamrehn/ue4-runtime:22.04-vulkan-x11
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编译v8环境用：
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sudo docker run -u 0 --gpus=all --rm -e DISPLAY -ti \
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-v /tmp/.X11-unix:/tmp/.X11-unix:rw \
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-v /home/user/Linux_Unreal_Engine_5.1.1:/home/ue4/UnrealEngine \
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-v /home/user/Projects/AIMotionRender:/project \
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-v /home/user/node:/home/user/node \
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-v /home/user/Projects/backend-nodejs:/home/user/Projects/backend-nodejs \
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adamrehn/ue4-runtime:22.04-vulkan-x11
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```
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# UE项目测试方法
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将编译出来的libnode.so.93 libnode.so放入/home/user/Projects/AIMotionRender/Plugins/Puerts/ThirdParty/nodejs_16/lib/Linux 目录下，之后就可以启动容器
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/home/ue4/UnrealEngine/Engine/Build/BatchFiles/Linux/GenerateProjectFiles.sh /project/AIMotionRender.uproject -game -engine -rocket -progress -VSCode
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编译命令：
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/home/ue4/UnrealEngine/Engine/Build/BatchFiles/Linux/Build.sh Development Linux -Project="/project/AIMotionRender.uproject" -TargetType=Editor -Progress -NoEngineChanges -NoHotReloadFromIDE
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启动命令：
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/home/ue4/UnrealEngine/Engine/Binaries/Linux/UnrealEditor -log "/project/AIMotionRender.uproject"
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启动过程没有报错就可以了。
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