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Compile the document

Preparatory Work

Xray uses Golang as its programming language, so you need to install the latest version of Golang first in order to compile.

::: tip TIP Install Golang: golang.org/doc/install :::

If you happen to use Windows, please make sure to use Powershell.

Pull Xray source code

git clone https://github.com/XTLS/Xray-core.git
cd Xray-core && go mod download

If you have free time, you can try GitHub's official tool: gh repo clone XTLS/Xray-core

Note: In a network environment where Google cannot be accessed normally, dependencies cannot be pulled normally, and GOPROXY needs to be set first:

go env -w GOPROXY=https://goproxy.io,direct

Build Binary

:::warning This command needs to be executed within Xray root directory. :::

Windows(Powershell):

$env:CGO_ENABLED=0
go build -o xray.exe -trimpath -ldflags "-s -w -buildid=" ./main

macOS, Linux:

CGO_ENABLED=0 go build -o xray -trimpath -ldflags "-s -w -buildid=" ./main

Running the above command will generate an xray executable file in the directory.

::: tip If you need to compile a program that can be debugged, i.e., you can use dlv to attach to the running program for debugging, please remove the '-w -s' options from the ldflags.

w option disables the generation of debug information. After using this option, gdb cannot be used for debugging.
s option disables the symbol table. PS: Actually, debugging with vscode or other IDEs seems to be more convenient.

Cross compilation:

Here, we take the example of compiling to a Linux server in a Windows (Powershell) environment:

$env:CGO_ENABLED=0
$env:GOOS="linux"
$env:GOARCH="amd64"

go build -o xray -trimpath -ldflags "-s -w -buildid=" ./main```

After uploading to the server, remember to execute chmod +x xray in the server terminal.

::: tip Execute go tool dist list to view all supported systems and architectures. :::

Reproducible Build:

Following the above steps, it is possible to compile and release an identical binary file as the one in Release.

::: warning Please confirm that you are using the same Golang version as the one used to compile the release. :::

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