Skip to content

cgo -buildmode=c-archive out ar file not current ar archive random library at macOS #47546

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom
Closed
sinlov opened this issue Aug 5, 2021 · 2 comments
Closed

cgo -buildmode=c-archive out ar file not current ar archive random library at macOS #47546

sinlov opened this issue Aug 5, 2021 · 2 comments
Labels
FrozenDueToAge WaitingForInfo Issue is not actionable because of missing required information, which needs to be provided.

Comments

@sinlov
Copy link

sinlov commented Aug 5, 2021 •
edited
Loading

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

$ go version
go version go1.16.2 darwin/amd64

Does this issue reproduce with the latest release?

yes

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

go env Output
$ go env
GO111MODULE="on"
GOARCH="amd64"
GOBIN=""
GOCACHE="/Users/sinlov/Library/Caches/go-build"
GOENV="/Users/sinlov/Library/Application Support/go/env"
GOEXE=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="darwin"
GOINSECURE=""
GOMODCACHE="/Users/sinlov/go/pkg/mod"
GONOPROXY="*.gitlab.com,*.gitea.com"
GONOSUMDB="*.gitlab.com,*.gitea.com"
GOOS="darwin"
GOPATH="/Users/sinlov/go"
GOPRIVATE="*.gitlab.com,*.gitea.com"
GOPROXY="https://goproxy.cn,direct"
GOROOT="/usr/local/opt/go/libexec"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/usr/local/opt/go/libexec/pkg/tool/darwin_amd64"
GOVCS=""
GOVERSION="go1.16.2"
GCCGO="gccgo"
AR="ar"
CC="clang"
CXX="clang++"
CGO_ENABLED="1"
GOMOD="/Users/sinlov/go/src/github.com/sinlov/cgo-compile-test/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/tm/2y07gxzj72x_nc91rxq7w9_80000gn/T/go-build766165709=/tmp/go-build -gno-record-gcc-switches -fno-common"

What did you do?

compile simpleness cgo with mode -buildmode=c-archive

go build args

CGO_ENABLED=1 GOOS=darwin GOARCH=amd64 go build -ldflags "-w" -x -v -buildmode=c-archive

code at https://github.com/sinlov/cgo-compile-test

What did you expect to see?

$ make
...

file test.a
test.a: current ar archive random library

What did you see instead?

$ make
...

file test.a
test.a: current ar archive
go build Output
$ make
CGO_ENABLED=1 GOOS=darwin GOARCH=amd64 \
        go build -ldflags "-w" -x -v -buildmode=c-archive \
        -o test.a
WORK=/var/folders/tm/2y07gxzj72x_nc91rxq7w9_80000gn/T/go-build1896598438
runtime/cgo
mkdir -p $WORK/b003/
cd /usr/local/opt/go/libexec/src/runtime/cgo
TERM='dumb' CGO_LDFLAGS='"-g" "-O2" "-lpthread"' /usr/local/opt/go/libexec/pkg/tool/darwin_amd64/cgo -objdir $WORK/b003/ -importpath runtime/cgo -import_runtime_cgo=false -import_syscall=false -exportheader=$WORK/b003/_cgo_install.h -- -I $WORK/b003/ -g -O2 -Wno-nullability-completeness -Wall -Werror ./cgo.go
cd $WORK
clang -fno-caret-diagnostics -c -x c - -o /dev/null || true
clang -Qunused-arguments -c -x c - -o /dev/null || true
clang -fdebug-prefix-map=a=b -c -x c - -o /dev/null || true
clang -gno-record-gcc-switches -c -x c - -o /dev/null || true
cd $WORK/b003
TERM='dumb' clang -I /usr/local/opt/go/libexec/src/runtime/cgo -fPIC -arch x86_64 -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=$WORK/b003=/tmp/go-build -gno-record-gcc-switches -fno-common -I ./ -g -O2 -Wno-nullability-completeness -Wall -Werror -o ./_x001.o -c _cgo_export.c
TERM='dumb' clang -I /usr/local/opt/go/libexec/src/runtime/cgo -fPIC -arch x86_64 -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=$WORK/b003=/tmp/go-build -gno-record-gcc-switches -fno-common -I ./ -g -O2 -Wno-nullability-completeness -Wall -Werror -o ./_x002.o -c cgo.cgo2.c
cd /usr/local/opt/go/libexec/src/runtime/cgo
TERM='dumb' clang -I . -fPIC -arch x86_64 -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=$WORK/b003=/tmp/go-build -gno-record-gcc-switches -fno-common -I $WORK/b003/ -g -O2 -Wno-nullability-completeness -Wall -Werror -o $WORK/b003/_x003.o -c gcc_context.c
TERM='dumb' clang -I . -fPIC -arch x86_64 -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=$WORK/b003=/tmp/go-build -gno-record-gcc-switches -fno-common -I $WORK/b003/ -g -O2 -Wno-nullability-completeness -Wall -Werror -o $WORK/b003/_x004.o -c gcc_darwin_amd64.c
TERM='dumb' clang -I . -fPIC -arch x86_64 -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=$WORK/b003=/tmp/go-build -gno-record-gcc-switches -fno-common -I $WORK/b003/ -g -O2 -Wno-nullability-completeness -Wall -Werror -o $WORK/b003/_x005.o -c gcc_libinit.c
TERM='dumb' clang -I . -fPIC -arch x86_64 -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=$WORK/b003=/tmp/go-build -gno-record-gcc-switches -fno-common -I $WORK/b003/ -g -O2 -Wno-nullability-completeness -Wall -Werror -o $WORK/b003/_x006.o -c gcc_setenv.c
TERM='dumb' clang -I . -fPIC -arch x86_64 -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=$WORK/b003=/tmp/go-build -gno-record-gcc-switches -fno-common -I $WORK/b003/ -g -O2 -Wno-nullability-completeness -Wall -Werror -o $WORK/b003/_x007.o -c gcc_traceback.c
TERM='dumb' clang -I . -fPIC -arch x86_64 -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=$WORK/b003=/tmp/go-build -gno-record-gcc-switches -fno-common -I $WORK/b003/ -g -O2 -Wno-nullability-completeness -Wall -Werror -o $WORK/b003/_x008.o -c gcc_util.c
TERM='dumb' clang -I . -fPIC -arch x86_64 -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=$WORK/b003=/tmp/go-build -gno-record-gcc-switches -fno-common -I $WORK/b003/ -g -O2 -Wno-nullability-completeness -Wall -Werror -o $WORK/b003/_x009.o -c gcc_amd64.S
cd $WORK/b003
TERM='dumb' clang -I /usr/local/opt/go/libexec/src/runtime/cgo -fPIC -arch x86_64 -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=$WORK/b003=/tmp/go-build -gno-record-gcc-switches -fno-common -I ./ -g -O2 -Wno-nullability-completeness -Wall -Werror -o ./_cgo_main.o -c _cgo_main.c
cd /Users/sinlov/go/src/github.com/sinlov/cgo-compile-test
TERM='dumb' clang -I /usr/local/opt/go/libexec/src/runtime/cgo -fPIC -arch x86_64 -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=$WORK/b003=/tmp/go-build -gno-record-gcc-switches -fno-common -o $WORK/b003/_cgo_.o $WORK/b003/_cgo_main.o $WORK/b003/_x001.o $WORK/b003/_x002.o $WORK/b003/_x003.o $WORK/b003/_x004.o $WORK/b003/_x005.o $WORK/b003/_x006.o $WORK/b003/_x007.o $WORK/b003/_x008.o $WORK/b003/_x009.o -g -O2 -lpthread
TERM='dumb' /usr/local/opt/go/libexec/pkg/tool/darwin_amd64/cgo -dynpackage cgo -dynimport $WORK/b003/_cgo_.o -dynout $WORK/b003/_cgo_import.go -dynlinker
github.com/sinlov/cgo-compile-test
mkdir -p $WORK/b001/
TERM='dumb' CGO_LDFLAGS='"-g" "-O2"' /usr/local/opt/go/libexec/pkg/tool/darwin_amd64/cgo -objdir $WORK/b001/ -importpath github.com/sinlov/cgo-compile-test -exportheader=$WORK/b001/_cgo_install.h -- -I $WORK/b001/ -g -O2 ./test.go
cd $WORK/b001
TERM='dumb' clang -I /Users/sinlov/go/src/github.com/sinlov/cgo-compile-test -fPIC -arch x86_64 -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=$WORK/b001=/tmp/go-build -gno-record-gcc-switches -fno-common -I ./ -g -O2 -o ./_x001.o -c _cgo_export.c
TERM='dumb' clang -I /Users/sinlov/go/src/github.com/sinlov/cgo-compile-test -fPIC -arch x86_64 -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=$WORK/b001=/tmp/go-build -gno-record-gcc-switches -fno-common -I ./ -g -O2 -o ./_x002.o -c test.cgo2.c
cd /Users/sinlov/go/src/github.com/sinlov/cgo-compile-test
TERM='dumb' clang -I . -fPIC -arch x86_64 -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=$WORK/b001=/tmp/go-build -gno-record-gcc-switches -fno-common -I $WORK/b001/ -g -O2 -o $WORK/b001/_x003.o -c test.c
cd $WORK/b001
TERM='dumb' clang -I /Users/sinlov/go/src/github.com/sinlov/cgo-compile-test -fPIC -arch x86_64 -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=$WORK/b001=/tmp/go-build -gno-record-gcc-switches -fno-common -I ./ -g -O2 -o ./_cgo_main.o -c _cgo_main.c
cd /Users/sinlov/go/src/github.com/sinlov/cgo-compile-test
TERM='dumb' clang -I . -fPIC -arch x86_64 -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=$WORK/b001=/tmp/go-build -gno-record-gcc-switches -fno-common -o $WORK/b001/_cgo_.o $WORK/b001/_cgo_main.o $WORK/b001/_x001.o $WORK/b001/_x002.o $WORK/b001/_x003.o -g -O2
TERM='dumb' /usr/local/opt/go/libexec/pkg/tool/darwin_amd64/cgo -dynpackage main -dynimport $WORK/b001/_cgo_.o -dynout $WORK/b001/_cgo_import.go
cat >$WORK/b001/importcfg.link << 'EOF' # internal
packagefile github.com/sinlov/cgo-compile-test=/Users/sinlov/Library/Caches/go-build/b2/b2db1fef79f3c9f737d7f56e4495b56bf47a6f77696afeada7c3520e9f7bc673-d
packagefile runtime/cgo=/usr/local/opt/go/libexec/pkg/darwin_amd64/runtime/cgo.a
packagefile syscall=/usr/local/opt/go/libexec/pkg/darwin_amd64/syscall.a
packagefile runtime=/usr/local/opt/go/libexec/pkg/darwin_amd64/runtime.a
packagefile errors=/usr/local/opt/go/libexec/pkg/darwin_amd64/errors.a
packagefile internal/bytealg=/usr/local/opt/go/libexec/pkg/darwin_amd64/internal/bytealg.a
packagefile internal/oserror=/usr/local/opt/go/libexec/pkg/darwin_amd64/internal/oserror.a
packagefile internal/race=/usr/local/opt/go/libexec/pkg/darwin_amd64/internal/race.a
packagefile internal/unsafeheader=/usr/local/opt/go/libexec/pkg/darwin_amd64/internal/unsafeheader.a
packagefile sync=/usr/local/opt/go/libexec/pkg/darwin_amd64/sync.a
packagefile internal/cpu=/usr/local/opt/go/libexec/pkg/darwin_amd64/internal/cpu.a
packagefile runtime/internal/atomic=/usr/local/opt/go/libexec/pkg/darwin_amd64/runtime/internal/atomic.a
packagefile runtime/internal/math=/usr/local/opt/go/libexec/pkg/darwin_amd64/runtime/internal/math.a
packagefile runtime/internal/sys=/usr/local/opt/go/libexec/pkg/darwin_amd64/runtime/internal/sys.a
packagefile internal/reflectlite=/usr/local/opt/go/libexec/pkg/darwin_amd64/internal/reflectlite.a
packagefile sync/atomic=/usr/local/opt/go/libexec/pkg/darwin_amd64/sync/atomic.a
EOF
mkdir -p $WORK/b001/exe/
cd .
/usr/local/opt/go/libexec/pkg/tool/darwin_amd64/link -o $WORK/b001/exe/a.out.a -importcfg $WORK/b001/importcfg.link -buildmode=c-archive -buildid=GQgLEw2NNKSfGEpQ0X-r/VQDz2ODp5rNZWw3EAb92/1Koj8_yhn6nSb56-DPwb/GQgLEw2NNKSfGEpQ0X-r -w -extld=clang /Users/sinlov/Library/Caches/go-build/b2/b2db1fef79f3c9f737d7f56e4495b56bf47a6f77696afeada7c3520e9f7bc673-d
/usr/local/opt/go/libexec/pkg/tool/darwin_amd64/buildid -w $WORK/b001/exe/a.out.a # internal
# $WORK/b001/_cgo_install.h not created
mv $WORK/b001/exe/a.out.a test.a
rm -r $WORK/b001/

file test.a

test.a: current ar archive

objdump -a test.a

In archive test.a:


go.o:     file format mach-o-x86-64

rw-r--r-- 0/0 1058800 Jan  1 08:00 1970 go.o


000000.o:     file format mach-o-x86-64

rw-r--r-- 0/0    680 Jan  1 08:00 1970 000000.o


000001.o:     file format mach-o-x86-64

rw-r--r-- 0/0   2420 Jan  1 08:00 1970 000001.o


000002.o:     file format mach-o-x86-64

rw-r--r-- 0/0   2084 Jan  1 08:00 1970 000002.o


000003.o:     file format mach-o-x86-64

rw-r--r-- 0/0    680 Jan  1 08:00 1970 000003.o


000004.o:     file format mach-o-x86-64

rw-r--r-- 0/0    680 Jan  1 08:00 1970 000004.o


000005.o:     file format mach-o-x86-64

rw-r--r-- 0/0   2864 Jan  1 08:00 1970 000005.o


000006.o:     file format mach-o-x86-64

rw-r--r-- 0/0   7776 Jan  1 08:00 1970 000006.o


000007.o:     file format mach-o-x86-64

rw-r--r-- 0/0  10168 Jan  1 08:00 1970 000007.o


000008.o:     file format mach-o-x86-64

rw-r--r-- 0/0   2852 Jan  1 08:00 1970 000008.o


000009.o:     file format mach-o-x86-64

rw-r--r-- 0/0   3200 Jan  1 08:00 1970 000009.o


000010.o:     file format mach-o-x86-64

rw-r--r-- 0/0   3820 Jan  1 08:00 1970 000010.o


000011.o:     file format mach-o-x86-64

rw-r--r-- 0/0   1080 Jan  1 08:00 1970 000011.o

@seankhliao
Copy link
Member

I can't reproduce this

@seankhliao seankhliao added the WaitingForInfo Issue is not actionable because of missing required information, which needs to be provided. label Aug 7, 2021
@gopherbot
Copy link
Contributor

Timed out in state WaitingForInfo. Closing.

(I am just a bot, though. Please speak up if this is a mistake or you have the requested information.)

@golang golang locked and limited conversation to collaborators Sep 7, 2022
Sign up for free to subscribe to this conversation on GitHub. Already have an account? Sign in.
Assignees
No one assigned
Labels
FrozenDueToAge WaitingForInfo Issue is not actionable because of missing required information, which needs to be provided.
Projects
None yet
Milestone
No milestone
Development

No branches or pull requests
3 participants
@sinlov @gopherbot @seankhliao