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runtime/cgo: error: implicit declaration of function 'setresuid' is invalid in C99 [-Werror,-Wimplicit-function-declaration] #49341

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aohanhongzhi opened this issue Nov 4, 2021 · 2 comments
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runtime/cgo: error: implicit declaration of function 'setresuid' is invalid in C99 [-Werror,-Wimplicit-function-declaration] #49341

aohanhongzhi opened this issue Nov 4, 2021 · 2 comments
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FrozenDueToAge NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.

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@aohanhongzhi
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What version of Go are you using (go version)?

$ go version

go version go1.17.1 darwin/amd64

Does this issue reproduce with the latest release?

no
image

image

image

What operating system and processor architecture are you using (go env)?

go env Output
$ go env

go version go1.17.1 darwin/amd64

eric@mbp1990 Open-IM-Server % go env

GO111MODULE="on"

GOARCH="amd64"

GOBIN=""

GOCACHE="/Users/eric/Library/Caches/go-build"

GOENV="/Users/eric/Library/Application Support/go/env"

GOEXE=""

GOEXPERIMENT=""

GOFLAGS=""

GOHOSTARCH="amd64"

GOHOSTOS="darwin"

GOINSECURE=""

GOMODCACHE="/Users/eric/Project/Go/pkg/mod"

GONOPROXY=""

GONOSUMDB=""

GOOS="darwin"

GOPATH="/Users/eric/Project/Go"

GOPRIVATE=""

GOPROXY="https://goproxy.cn,direct"

GOROOT="/opt/eric/go"

GOSUMDB="sum.golang.org"

GOTMPDIR=""

GOTOOLDIR="/opt/eric/go/pkg/tool/darwin_amd64"

GOVCS=""

GOVERSION="go1.17.1"

GCCGO="gccgo"

AR="ar"

CC="clang"

CXX="clang++"

CGO_ENABLED="1"

GOMOD="/Users/eric/Project/Go/Open-IM-Server/go.mod"

CGO_CFLAGS="-g -O2"

CGO_CPPFLAGS=""

CGO_CXXFLAGS="-g -O2"

CGO_FFLAGS="-g -O2"

CGO_LDFLAGS="-g -O2"

PKG_CONFIG="pkg-config"

GOGCCFLAGS="-fPIC -arch x86_64 -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=/var/folders/t3/zwgjqd4s4p557rcrzl_834hr0000gp/T/go-build3631056783=/tmp/go-build -gno-record-gcc-switches -fno-common"

What did you do?

build a project with its script

https://github.com/OpenIMSDK/Open-IM-Server.git

image

What did you expect to see?

build success

What did you see instead?

no
@aohanhongzhi
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@aohanhongzhi aohanhongzhi mentioned this issue Nov 4, 2021
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@seankhliao seankhliao changed the title error: implicit declaration of function 'setresuid' is invalid in C99 [-Werror,-Wimplicit-function-declaration] runtime/cgo: error: implicit declaration of function 'setresuid' is invalid in C99 [-Werror,-Wimplicit-function-declaration] Nov 4, 2021
@seankhliao seankhliao added the NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. label Nov 4, 2021
@seankhliao
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This looks like an error in the build script only supporting linux. For CGo a proper C toolchain needs to be setup for cross compilation.

Closing as not a bug in Go

@golang golang locked and limited conversation to collaborators Nov 4, 2022
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@gopherbot @seankhliao @aohanhongzhi