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- Go on iOS
- =========
- To run the standard library tests, run all.bash as usual, but with the compiler
- set to the clang wrapper that invokes clang for iOS. For example, this command runs
- all.bash on the iOS emulator:
- GOOS=ios GOARCH=amd64 CGO_ENABLED=1 CC_FOR_TARGET=$(pwd)/../misc/ios/clangwrap.sh ./all.bash
- If CC_FOR_TARGET is not set when the toolchain is built (make.bash or all.bash), CC
- can be set on the command line. For example,
- GOOS=ios GOARCH=amd64 CGO_ENABLED=1 CC=$(go env GOROOT)/misc/ios/clangwrap.sh go build
- Setting CC is not necessary if the toolchain is built with CC_FOR_TARGET set.
- To use the go tool to run individual programs and tests, put $GOROOT/bin into PATH to ensure
- the go_ios_$GOARCH_exec wrapper is found. For example, to run the archive/tar tests:
- export PATH=$GOROOT/bin:$PATH
- GOOS=ios GOARCH=amd64 CGO_ENABLED=1 go test archive/tar
- The go_ios_exec wrapper uses GOARCH to select the emulator (amd64) or the device (arm64).
- However, further setup is required to run tests or programs directly on a device.
- First make sure you have a valid developer certificate and have setup your device properly
- to run apps signed by your developer certificate. Then install the libimobiledevice and
- ideviceinstaller tools from https://www.libimobiledevice.org/. Use the HEAD versions from
- source; the stable versions have bugs that prevents the Go exec wrapper to install and run
- apps.
- Second, the Go exec wrapper must be told the developer account signing identity, the team
- id and a provisioned bundle id to use. They're specified with the environment variables
- GOIOS_DEV_ID, GOIOS_TEAM_ID and GOIOS_APP_ID. The detect.go program in this directory will
- attempt to auto-detect suitable values. Run it as
- go run detect.go
- which will output something similar to
- export GOIOS_DEV_ID="iPhone Developer: xxx@yyy.zzz (XXXXXXXX)"
- export GOIOS_APP_ID=YYYYYYYY.some.bundle.id
- export GOIOS_TEAM_ID=ZZZZZZZZ
- If you have multiple devices connected, specify the device UDID with the GOIOS_DEVICE_ID
- variable. Use `idevice_id -l` to list all available UDIDs. Then, setting GOARCH to arm64
- will select the device:
- GOOS=ios GOARCH=arm64 CGO_ENABLED=1 CC_FOR_TARGET=$(pwd)/../misc/ios/clangwrap.sh ./all.bash
- Note that the go_darwin_$GOARCH_exec wrapper uninstalls any existing app identified by
- the bundle id before installing a new app. If the uninstalled app is the last app by
- the developer identity, the device might also remove the permission to run apps from
- that developer, and the exec wrapper will fail to install the new app. To avoid that,
- install another app with the same developer identity but with a different bundle id.
- That way, the permission to install apps is held on to while the primary app is
- uninstalled.
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