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gollvm: #41880

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advancedwebdeveloper opened this issue Oct 9, 2020 · 2 comments
Closed

gollvm: #41880

advancedwebdeveloper opened this issue Oct 9, 2020 · 2 comments
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@advancedwebdeveloper
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@advancedwebdeveloper advancedwebdeveloper commented Oct 9, 2020

$ go version

go version go1.15.2 gollvm LLVM 12.0.0git linux/amd64

go env go env GO111MODULE="" GOARCH="amd64" GOBIN="" GOCACHE="/home/oceanfish81/.cache/go-build" GOENV="/home/oceanfish81/.config/go/env" GOEXE="" GOFLAGS="" GOHOSTARCH="amd64" GOHOSTOS="linux" GOINSECURE="" GOMODCACHE="/home/oceanfish81/go/pkg/mod" GONOPROXY="" GONOSUMDB="" GOOS="linux" GOPATH="/home/oceanfish81/go" GOPRIVATE="" GOPROXY="https://proxy.golang.org,direct" GOROOT="/home/oceanfish81/gollvm_dist" GOSUMDB="sum.golang.org" GOTMPDIR="" GOTOOLDIR="/home/oceanfish81/gollvm_dist/tools" GCCGO="/home/oceanfish81/gollvm_dist/bin/llvm-goc" AR="ar" CC="/usr/bin/clang" CXX="/usr/bin/clang++" CGO_ENABLED="1" GOMOD="" CGO_CFLAGS="-g -O2" CGO_CPPFLAGS="" CGO_CXXFLAGS="-g -O2" CGO_FFLAGS="-g -O2" CGO_LDFLAGS="-g -O2" PKG_CONFIG="pkg-config" GOGCCFLAGS="-fPIC -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build938164654=/tmp/go-build -gno-record-gcc-switches -funwind-tables"
$ go env

I was trying to build wl project, using my "release" build of gollvm.

~/golang_projects/wl/ui/examples/img$ go run image.go
/tmp/go-build853824791/b001/exe/image: symbol lookup error: /lib/libgo.so.12git: undefined symbol: main.main
exit status 127

~/golang_projects/wl/ui/examples/img$ file /lib/libgo.so.12git
/lib/libgo.so.12git: ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked, with debug_info, not stripped

~/golang_projects/wl/ui/examples/img$ go run img.go

command-line-arguments

./img.go:39:14: error: reference to undefined name 'ImageFromFile'

Running a pre-compiled executable lad to this:

~/go/bin/img ~/go/src/github.com/dkolbly/wl/ui/examples/img/bsd_daemon.jpg
Connect to Wayland server failed dial unix /run/user/1000/wayland-0: connect: no such file or directory
. This is some sort of misconfiguration, on Ubuntu 20.04, related to Wayland.
I will try to resolve this, to ensure that there wouldn't be any other runtime issues.

CC @dkolbly @sternix
CC @thanm @cherrymui

@ianlancetaylor
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@ianlancetaylor ianlancetaylor commented Oct 9, 2020

I would not expect go run image.go to work, as the main function is in img.go.

@ianlancetaylor
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@ianlancetaylor ianlancetaylor commented Oct 13, 2020

Dup of #41881.

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