2020-11-12 11:22:33 +08:00
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# Go 交叉编译
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Golang 的交叉编译是通过设置编译宏变量来实现的，主要是 GOOS 和 GOARCH，列表如下：
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| GOOS - Target Operating System | GOARCH - Target Platform |
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|--------------------------------|--------------------------|
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| android | arm |
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2021-03-11 11:37:58 +08:00
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| android | arm64 |
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| android | 386 |
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| android | amd64 |
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2020-11-12 11:22:33 +08:00
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| darwin | 386 |
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| darwin | amd64 |
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| darwin | arm |
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| darwin | arm64 |
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| dragonfly | amd64 |
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| freebsd | 386 |
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| freebsd | amd64 |
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| freebsd | arm |
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| linux | 386 |
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| linux | amd64 |
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| linux | arm |
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| linux | arm64 |
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| linux | ppc64 |
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| linux | ppc64le |
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| linux | mips |
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| linux | mipsle |
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| linux | mips64 |
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| linux | mips64le |
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| netbsd | netbsd |
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| netbsd | amd64 |
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| netbsd | arm |
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| openbsd | 386 |
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| openbsd | amd64 |
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| openbsd | arm |
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| plan9 | 386 |
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| plan9 | 386 |
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| solaris | amd64 |
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| windows | 386 |
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| windows | amd64 |
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使用示例如下：
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```bash
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GOOS=linux GOARCH=arm64 go build
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2021-10-28 20:25:44 +08:00
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GOOS=linux GOARCH=arm GOARM=7 go build
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2020-11-12 11:22:33 +08:00
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```
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交叉编译是不支持 CGO 的，也就是说如果你的代码中存在 C 代码，是编译不了的。，比如说你的程序中使用了 sqlite 数据库，在编译 go-sqlite 驱动时按照上面的做法是编译不通过的。
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需要 CGO 支持的，要将 CGO_ENABLED 的 0 改为 1，也就是“CGO_ENABLED=1”，此外还需要设置编译器，例如我想在 linux 上编译 arm 版的二进制，需要这样做：
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```bash
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# Build for arm
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CGO_ENABLED=1 GOOS=linux GOARCH=arm CC=arm-linux-gnueabi-gcc go build
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```
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