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cmd/go: go mod requires gcc when downloading dependencies when dep did not. #27810

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tevjef opened this issue Sep 22, 2018 · 1 comment

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commented Sep 22, 2018

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

go version go1.11 linux/amd64

Does this issue reproduce with the latest release?

yes

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

+ go env
GOARCH="amd64"
GOBIN=""
GOCACHE="/root/.cache/go-build"
GOEXE=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOOS="linux"
GOPATH="/go"
GOPROXY=""
GORACE=""
GOROOT="/usr/local/go"
GOTMPDIR=""
GOTOOLDIR="/usr/local/go/pkg/tool/linux_amd64"
GCCGO="gccgo"
CC="gcc"
CXX="g++"
CGO_ENABLED="1"
GOMOD="/go/src/github.com/tevjef/uct-backend/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 -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build807384563=/tmp/go-build -gno-record-gcc-switches"

What did you do?

While updating my project fromdep to the new module system, I now see a requirement where the wasn't before on gcc. In my build environment, go [test|build] commands fails because gcc is not in my build environment's PATH.

dep vendoring logs (go1.10beta2 linux/amd64)
dep ensure -v
Gopkg.lock was already in sync with imports and Gopkg.toml
(1/45) Wrote github.com/Sirupsen/logrus@v0.11.5
(2/45) Wrote github.com/satori/go.uuid@v1.2.0
(3/45) Wrote github.com/BurntSushi/toml@v0.3.0
(4/45) Wrote github.com/prometheus/client_golang@v0.8.0
(5/45) Wrote github.com/prometheus/client_model@master
(6/45) Wrote github.com/prometheus/common@master
(7/45) Wrote github.com/prometheus/procfs@master
(8/45) Wrote github.com/stretchr/testify@v1.2.0
(9/45) Wrote github.com/PuerkitoBio/goquery@v1.2.0
(10/45) Wrote gopkg.in/yaml.v2@v2
(11/45) Wrote github.com/tevjef/go-fcm@master
(12/45) Wrote github.com/robfig/go-cache@master
(13/45) Wrote github.com/ugorji/go@v1.1
(14/45) Wrote github.com/tevjef/go-runtime-metrics@master
(15/45) Wrote golang.org/x/oauth2@master
(16/45) Wrote golang.org/x/time@master
(17/45) Wrote golang.org/x/sync@master
(18/45) Wrote gopkg.in/go-playground/validator.v8@v8.18.2
(19/45) Wrote gopkg.in/alecthomas/kingpin.v2@v2.2.6
(20/45) Wrote gopkg.in/redis.v5@v5.2.9
(21/45) Wrote google.golang.org/appengine@v1.0.0
(22/45) Wrote github.com/kelseyhightower/envconfig@v1.3.0
(23/45) Wrote golang.org/x/net@master
(24/45) Wrote github.com/alecthomas/template@master
(25/45) Wrote github.com/alecthomas/units@master
(26/45) Wrote golang.org/x/sys@master
(27/45) Wrote github.com/beorn7/perks@master
(28/45) Wrote google.golang.org/grpc@v1.9.2
(29/45) Wrote google.golang.org/genproto@master
(30/45) Wrote github.com/andybalholm/cascadia@master
(31/45) Wrote github.com/davecgh/go-spew@v1.1.0
(32/45) Wrote github.com/gin-contrib/sse@master
(33/45) Wrote cloud.google.com/go@v0.18.0
(34/45) Wrote github.com/gin-gonic/gin@v1.2
(35/45) Wrote github.com/pmezard/go-difflib@v1.0.0
(36/45) Wrote github.com/jmoiron/sqlx@de8647470aafe4854c976707c431dbe1eb2822c6
(37/45) Wrote github.com/golang/protobuf@master
(38/45) Wrote github.com/lib/pq@83612a56d3dd153a94a629cd64925371c9adad78
(39/45) Wrote github.com/matttproud/golang_protobuf_extensions@v1.0.0
(40/45) Wrote github.com/mattn/go-isatty@v0.0.3
(41/45) Wrote github.com/pkg/errors@v0.8.0
(42/45) Wrote github.com/pquerna/ffjson@d49c2bc1aa135aad0c6f4fc2056623ec78f5d5ac
(43/45) Wrote golang.org/x/text@master
(44/45) Wrote github.com/gogo/protobuf@909568be09de550ed094403c2bf8a261b5bb730a
(45/45) Wrote google.golang.org/api@master
go mod vendoring logs
go test github.com/tevjef/uct-backend/ein/...
go: finding github.com/pmezard/go-difflib v1.0.0
go: finding github.com/prometheus/client_golang v0.8.0
go: finding github.com/pkg/errors v0.8.0
go: finding github.com/tevjef/go-fcm v0.0.0-20180107005934-84e4deb7d3da
go: finding github.com/ugorji/go v0.0.0-20180112141927-9831f2c3ac10
go: finding github.com/davecgh/go-spew v1.1.0
go: finding golang.org/x/oauth2 v0.0.0-20180118004544-b28fcf2b08a1
go: finding golang.org/x/sys v0.0.0-20180125145336-03467258950d
go: finding golang.org/x/text v0.0.0-20171227012246-e19ae1496984
go: finding github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc
go: finding github.com/gogo/protobuf v0.0.0-20160824171236-909568be09de
go: finding github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf
go: finding cloud.google.com/go v0.18.0
go: finding golang.org/x/sync v0.0.0-20171101214715-fd80eb99c8f6
go: finding github.com/tevjef/go-runtime-metrics v0.0.0-20170326170900-527a54029307
go: finding github.com/stretchr/testify v1.2.0
go: finding gopkg.in/yaml.v2 v2.0.0
go: finding github.com/Sirupsen/logrus v0.11.5
go: finding github.com/matttproud/golang_protobuf_extensions v1.0.0
go: finding github.com/gin-gonic/gin v0.0.0-20170702092826-d459835d2b07
go: finding github.com/mattn/go-isatty v0.0.3
go: finding github.com/robfig/go-cache v0.0.0-20130306151617-9fc39e0dbf62
go: finding gopkg.in/go-playground/validator.v8 v8.18.2
go: finding github.com/prometheus/common v0.0.0-20180110214958-89604d197083
go: finding github.com/gin-contrib/sse v0.0.0-20170109093832-22d885f9ecc7
go: finding github.com/beorn7/perks v0.0.0-20160804104726-4c0e84591b9a
go: finding golang.org/x/time v0.0.0-20170927054726-6dc17368e09b
go: finding google.golang.org/grpc v1.9.2
go: finding github.com/PuerkitoBio/goquery v1.2.0
go: finding gopkg.in/alecthomas/kingpin.v2 v2.2.6
go: finding github.com/kelseyhightower/envconfig v1.3.0
go: finding github.com/satori/go.uuid v1.2.0
go: finding google.golang.org/genproto v0.0.0-20180125080656-4eb30f4778ee
go: finding github.com/prometheus/procfs v0.0.0-20180125133057-cb4147076ac7
go: finding google.golang.org/api v0.0.0-20180126000317-61a5611191ce
go: finding github.com/prometheus/client_model v0.0.0-20171117100541-99fa1f4be8e5
go: finding gopkg.in/redis.v5 v5.2.9
go: finding github.com/jmoiron/sqlx v0.0.0-20171211234905-de8647470aaf
go: finding github.com/andybalholm/cascadia v0.0.0-20161224141413-349dd0209470
go: finding github.com/pquerna/ffjson v0.0.0-20171002144729-d49c2bc1aa13
go: finding github.com/lib/pq v0.0.0-20171126050459-83612a56d3dd
go: finding github.com/BurntSushi/toml v0.3.0
go: finding google.golang.org/appengine v1.0.0
go: finding golang.org/x/net v0.0.0-20180124060956-0ed95abb35c4
go: finding github.com/golang/protobuf v1.0.0
go: downloading github.com/Sirupsen/logrus v0.11.5
go: downloading github.com/pquerna/ffjson v0.0.0-20171002144729-d49c2bc1aa13
go: downloading gopkg.in/redis.v5 v5.2.9
go: downloading github.com/lib/pq v0.0.0-20171126050459-83612a56d3dd
go: downloading github.com/jmoiron/sqlx v0.0.0-20171211234905-de8647470aaf
go: downloading github.com/pkg/errors v0.8.0
go: downloading github.com/gogo/protobuf v0.0.0-20160824171236-909568be09de
go: downloading gopkg.in/alecthomas/kingpin.v2 v2.2.6
go: downloading github.com/tevjef/go-runtime-metrics v0.0.0-20170326170900-527a54029307
go: downloading github.com/prometheus/client_golang v0.8.0
go: downloading github.com/BurntSushi/toml v0.3.0
go: downloading github.com/kelseyhightower/envconfig v1.3.0
go: downloading github.com/golang/protobuf v1.0.0
go: downloading github.com/prometheus/client_model v0.0.0-20171117100541-99fa1f4be8e5
go: downloading github.com/prometheus/procfs v0.0.0-20180125133057-cb4147076ac7
go: downloading github.com/prometheus/common v0.0.0-20180110214958-89604d197083
go: downloading github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc
go: downloading github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf
go: downloading github.com/beorn7/perks v0.0.0-20160804104726-4c0e84591b9a
go: downloading github.com/matttproud/golang_protobuf_extensions v1.0.0
# runtime/cgo
exec: "gcc": executable file not found in $PATH

What did you expect to see?

I expect go mod to not require gcc.

What did you see instead?

go mod required when downloading/vendoring dependencies gcc when dep did not.

What did I do to fix it?

Setting CGO_ENABLED=0

@ALTree

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commented Sep 22, 2018

Thanks for the report.

This is a dup of #26988. See the discussion there for a little bit of background on the issue. This is being investigated, so I'm closing here as a dup.

@ALTree ALTree closed this Sep 22, 2018

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