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x/mobile: does -ldflags -X work for gomobile bind? #65871

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arhtur007 opened this issue Feb 22, 2024 · 0 comments
Closed

x/mobile: does -ldflags -X work for gomobile bind? #65871

arhtur007 opened this issue Feb 22, 2024 · 0 comments
Labels
mobile Android, iOS, and x/mobile
Milestone
Unreleased

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@arhtur007
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arhtur007 commented Feb 22, 2024 •
edited

Go version

go 1.21

Output of go env in your module/workspace:

GO111MODULE=''
GOARCH='arm64'
GOBIN=''
GOCACHE='/Users/arthurwang/Library/Caches/go-build'
GOENV='/Users/arthurwang/Library/Application Support/go/env'
GOEXE=''
GOEXPERIMENT=''
GOFLAGS=''
GOHOSTARCH='arm64'
GOHOSTOS='darwin'
GOINSECURE=''
GOMODCACHE='/Users/arthurwang/go/pkg/mod'
GOOS='darwin'
GOPATH='/Users/arthurwang/go'
GOPROXY='https://proxy.golang.org,direct'
GOROOT='/opt/homebrew/Cellar/go/1.21.1/libexec'
GOSUMDB='sum.golang.org'
GOTMPDIR=''
GOTOOLCHAIN='auto'
GOTOOLDIR='/opt/homebrew/Cellar/go/1.21.1/libexec/pkg/tool/darwin_arm64'
GOVCS=''
GOVERSION='go1.21.1'
GCCGO='gccgo'
AR='ar'
CC='cc'
CXX='c++'
CGO_ENABLED='1'
GOMOD='/dev/null'
GOWORK=''
CGO_CFLAGS='-O2 -g'
CGO_CPPFLAGS=''
CGO_CXXFLAGS='-O2 -g'
CGO_FFLAGS='-O2 -g'
CGO_LDFLAGS='-O2 -g'
PKG_CONFIG='pkg-config'
GOGCCFLAGS='-fPIC -arch arm64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -ffile-prefix-map=/var/folders/fd/79_ybcj55_1__0nhtlyrrvc40000gn/T/go-build590198146=/tmp/go-build -gno-record-gcc-switches -fno-common'

What did you do?

I was trying setting variables with ldflags in gomobile

here's my file structure and code
└── sdk
├── go.mod
└── sdk.go

go.mod

module github.com/MyRepo/sdk

go 1.21.1

sdk.go

package sdk

var (
	SDKVersion string
)

func Print() {
	fmt.Println("######")
	fmt.Println(SDKVersion)
	fmt.Println("######")
}

and here's my command
I've tried both

gomobile bind -v -target=ios -ldflags "-s -w -X sdk.SDKVersion=testVersion"

and
gomobile bind -v -target=ios -ldflags "-s -w -X github.com/MyRepo/sdk/sdk.SDKVersion=testVersion"

What did you see happen?

Here's my output

######

######

What did you expect to see?

######
testVersion
######
@gopherbot gopherbot added the mobile Android, iOS, and x/mobile label Feb 22, 2024
@gopherbot gopherbot added this to the Unreleased milestone Feb 22, 2024
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@gopherbot @arhtur007