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From: "dilyan.palauzov at aegee dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug go/102469] New: gccgo: error: ‘copy’ defined as both imported name and global name, while golang does not produce this error
Date: Thu, 23 Sep 2021 11:44:35 +0000 [thread overview]
Message-ID: <bug-102469-4@http.gcc.gnu.org/bugzilla/> (raw)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102469
Bug ID: 102469
Summary: gccgo: error: ‘copy’ defined as both imported name
and global name, while golang does not produce this
error
Product: gcc
Version: 11.2.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: go
Assignee: ian at airs dot com
Reporter: dilyan.palauzov at aegee dot org
CC: cmang at google dot com
Target Milestone: ---
I download the tip of https://github.com/containers/podman/ , commit
b0d1c0fe22da27c88a0e5d . With `go version go1.16.5 gccgo (GCC) 11.2.1 20210728
(Red Hat 11.2.1-1) linux/amd64` calling `make` the error is:
```
CGO_ENABLED=1 GOOS=linux GOARCH=amd64 go build \
-mod=vendor \
-ldflags '-X
github.com/containers/podman/v3/libpod/define.gitCommit=b0d1c0fe22da27c88a0e5de11de08d63ef861347
-X github.com/containers/podman/v3/libpod/define.buildInfo=1632396554 -X
github.com/containers/podman/v3/libpod/config._installPrefix=/usr/local -X
github.com/containers/podman/v3/libpod/config._etcDir=/usr/local/etc ' \
-tags " exclude_graphdriver_btrfs btrfs_noversion selinux systemd
exclude_graphdriver_devicemapper seccomp" \
-o bin/podman ./cmd/podman
go build: when using gccgo toolchain, please pass linker flags using
-gccgoflags, not -ldflags
# github.com/containers/storage/pkg/unshare
unshare.c: In function ‘parse_proc_stringlist’:
unshare.c:137:23: warning: comparison of integer expressions of different
signedness: ‘int’ and ‘size_t’ {aka ‘long unsigned int’} [-Wsign-compare]
137 | for (n = 0; n < used; n++) {
| ^
unshare.c:148:23: warning: comparison of integer expressions of different
signedness: ‘int’ and ‘size_t’ {aka ‘long unsigned int’} [-Wsign-compare]
148 | for (n = 0; n < used; n++) {
| ^
# github.com/containers/podman/v3/libpod
libpod/options.go:81:33: error: ‘copy’ defined as both imported name and global
name
81 |
copy(rt.storageConfig.GraphDriverOptions, config.GraphDriverOptions)
| ^
libpod/container_stat_linux.go:13:49: note: ‘copy’ imported here
13 | "github.com/containers/podman/v3/pkg/copy"
| ^
make: *** [Makefile:300: bin/podman] Error 2
With go version go1.16.8 linux/amd64 on the same system, calling `make`
produces no warngis. Even when I replace `-ldflags` with `-gccgoflags` the
signed/unsigned warning stays, and the `copy` error also stays.
If golang does not emit “error: ‘copy’ defined as both imported name and global
name”, gccgo shall neither.
reply other threads:[~2021-09-23 11:44 UTC|newest]
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