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Destroyed Cross Compiling (markdown)

Hajime Hoshi 2019-03-04 23:52:19 +09:00
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Cross-Compiling.md

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**As of 1.9, MinGW is no longer required. Just the below command should work anywhere:**
```sh
GOOS=windows GOARCH=amd64 go build path/to/yourgame # or GOARCH=386
```
For Ebiten 1.8 or before, see the below instruction.
# Using MinGW
**If you wish to cross compile from a Linux system to Windows you can quite easily do so.**
Start by installing sys/windows from the standard library:
```sh
go get golang.org/x/sys/windows
```
Then you'll need the mingw compiler. For example, on Debian/Ubuntu, run this command:
```sh
sudo apt install mingw-w64
```
_Note:_ If package cannot be found on ubuntu make sure you've added the multiverse repository (`sudo add-apt-repository multiverse`)
When completed you should be able to cross compile using this:
```sh
CGO_ENABLED=1 CXX=x86_64-w64-mingw32-g++ CC=x86_64-w64-mingw32-gcc GOOS=windows GOARCH=amd64 go build file.go
```
## Tips
Since that's quite a messy command to use each time you want to test your program you might wanna set up a bash alias in your .bashrc or .profile file.
* `nano ~/.bashrc`
* add the below line to the bottom of the file:
```sh
alias LinuxtoWindows="export CXX=x86_64-w64-mingw32-g++ && export CC=x86_64-w64-mingw32-gcc && export CGO_ENABLED=1 && export GOOS=windows"
```
Now you may simply use `LinuxToWindows && go build file.go` to cross compile.