go/android at 0d838ea5a2b69255d0a486dd9df27d14ad680aba - go

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Dmitri Shuralyov 98f3d7fecb all: gofmt more (but vendor, testdata, and top-level test directories) CL 294430 made packages in std and cmd modules use Go 1.17 gofmt format, adding //go:build lines. This change applies the same formatting to some more packages that 'go fmt' missed (e.g., syscall/js, runtime/msan), and everything else that is easy and safe to modify in bulk. Consider the top-level test directory, testdata, and vendor directories out of scope, since there are many files that don't follow strict gofmt formatting, often for intentional and legitimate reasons (testing gofmt itself, invalid Go programs that shouldn't crash the compiler, etc.). That makes it easy and safe to gofmt -w the .go files that are found with gofmt -l with aforementioned directories filtered out: $ gofmt -l . 2>/dev/null \| \ grep -v '^test/' \| \ grep -v '/testdata/' \| \ grep -v '/vendor/' \| wc -l 51 None of the 51 files are generated. After this change, the same command prints 0. For #41184. Change-Id: Ia96ee2a0f998d6a167d4473bcad17ad09bc1d86e Reviewed-on: https://go-review.googlesource.com/c/go/+/341009 Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org> Trust: Dmitri Shuralyov <dmitshur@golang.org>	2021-08-13 20:45:17 +00:00
..
go_android_exec.go	all: gofmt more (but vendor, testdata, and top-level test directories)	2021-08-13 20:45:17 +00:00
README

Dmitri Shuralyov 98f3d7fecb all: gofmt more (but vendor, testdata, and top-level test directories)

CL 294430 made packages in std and cmd modules use Go 1.17 gofmt format,
adding //go:build lines. This change applies the same formatting to some
more packages that 'go fmt' missed (e.g., syscall/js, runtime/msan), and
everything else that is easy and safe to modify in bulk.

Consider the top-level test directory, testdata, and vendor directories
out of scope, since there are many files that don't follow strict gofmt
formatting, often for intentional and legitimate reasons (testing gofmt
itself, invalid Go programs that shouldn't crash the compiler, etc.).

That makes it easy and safe to gofmt -w the .go files that are found
with gofmt -l with aforementioned directories filtered out:

	$ gofmt -l . 2>/dev/null | \
		grep -v '^test/' | \
		grep -v '/testdata/' | \
		grep -v '/vendor/' | wc -l
	      51

None of the 51 files are generated. After this change, the same command
prints 0.

For #41184.

Change-Id: Ia96ee2a0f998d6a167d4473bcad17ad09bc1d86e
Reviewed-on: https://go-review.googlesource.com/c/go/+/341009
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Trust: Dmitri Shuralyov <dmitshur@golang.org>

2021-08-13 20:45:17 +00:00

go_android_exec.go

all: gofmt more (but vendor, testdata, and top-level test directories)

2021-08-13 20:45:17 +00:00

README

Android
=======

For details on developing Go for Android, see the documentation in the
mobile subrepository:

	https://github.com/golang/mobile

To run the standard library tests, enable Cgo and use an appropriate
C compiler from the Android NDK. For example,

	CGO_ENABLED=1 \
	GOOS=android \
	GOARCH=arm64 \
	CC_FOR_TARGET=$NDK/toolchains/llvm/prebuilt/linux-x86_64/bin/aarch64-linux-android21-clang \
	./all.bash

To run tests on the Android device, add the bin directory to PATH so the
go tool can find the go_android_$GOARCH_exec wrapper generated by
make.bash. For example, to run the go1 benchmarks

	export PATH=$GOROOT/bin:$PATH
	cd $GOROOT/test/bench/go1/
	GOOS=android GOARCH=arm64 go test -bench=. -count=N -timeout=T