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go/misc/ios
Elias Naur 312ea5bf8f misc/ios: allow exit code 0 to mean test success
Tests that use TestMain might never call m.Run(), and simply return
from TestMain. In that case, the iOS test harness never sees the
PASS from the testing framework and assumes the test failed.

Allow an exit with exit code 0 to also mean test success, thereby
fixing the objdump test on iOS.

Change-Id: I1fe9077b05931aa0905e41b88945cd153c5b35b6
Reviewed-on: https://go-review.googlesource.com/36065
Reviewed-by: David Crawshaw <crawshaw@golang.org>
Run-TryBot: Elias Naur <elias.naur@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2017-02-02 08:15:32 +00:00
..
clangwrap.sh build: fix darwin/arm broken on macOS 10.12 with Xcode 8.0 2016-12-21 12:27:41 +00:00
detect.go misc/ios: include the bundle id in the GOIOS_APP_ID env variable 2017-02-01 22:09:16 +00:00
go_darwin_arm_exec.go misc/ios: allow exit code 0 to mean test success 2017-02-02 08:15:32 +00:00
README misc/ios: add README and wrapper script to ease cross-compiling for darwin/arm 2015-02-06 05:50:10 +00:00

Go on iOS
=========

To build a cross compiling toolchain for iOS on OS X, first modify clangwrap.sh
in misc/ios to match your setup. And then run:

	GOARM=7 CGO_ENABLED=1 GOARCH=arm CC_FOR_TARGET=`pwd`/../misc/ios/clangwrap.sh \
	CXX_FOR_TARGET=`pwd`/../misc/ios/clangwrap.sh ./make.bash

To build a program, use the normal go build command:

	CGO_ENABLED=1 GOARCH=arm go build import/path

To run a program on an iDevice, first make sure you have a valid developer
certificate and have setup your iDevice properly to run apps signed by your
developer certificate. Then install https://github.com/phonegap/ios-deploy.
At a first step, you can try building the famous hello world program to run
on your test device.
(The needed files are provided at https://github.com/minux/go-ios-examples.)

	# assume your program binary is helloworld.go, build it into the
	# example hello.app bundle.
	CGO_ENABLED=1 GOARCH=arm go build -o hello.app/hello helloworld.go
	# sign the executable using your developer certificate
	codesign -f -s "iPhone Developer" --entitlements hello.app/Entitlements.plist hello.app/hello
	# run the program inside lldb on iDevice, run `ios-deploy` for more
	# command options
	ios-deploy --debug --uninstall --bundle hello.app
	# Depending on your ios-deploy version, you might need to enter "run"
	# into lldb to run your program, and its output will be shown by lldb.

Notes:
 - A dummy hello.app bundle is provided in this directory to help you get started.
 - Running the program on an iDevice requires code sign and thus external linking,
   if your program uses cgo, then it will automatically use external linking.
   However, if your program does not use cgo, please make sure to add
	import _ "runtime/cgo"
   so that external linking will be used.

Known issues
============
 - crypto/x509 won't build, I don't yet know how to get system root on iOS.
 - Because I still want to be able to do native build, CGO_ENABLED=1 is not the
   default, yet.