Closed
Description
What version of Go are you using (go version)?
$ go version go version go1.18 darwin/amd64
Does this issue reproduce with the latest release?
Yes, also reproduces on gotip.
What operating system and processor architecture are you using (go env)?
go env Output
$ go env GO111MODULE="" GOARCH="amd64" GOBIN="" GOCACHE="/Users/tklauser/Library/Caches/go-build" GOENV="/Users/tklauser/Library/Application Support/go/env" GOEXE="" GOEXPERIMENT="" GOFLAGS="" GOHOSTARCH="amd64" GOHOSTOS="darwin" GOINSECURE="" GOMODCACHE="/Users/tklauser/go/pkg/mod" GONOPROXY="" GONOSUMDB="" GOOS="darwin" GOPATH="/Users/tklauser/go" GOPRIVATE="" GOPROXY="https://proxy.golang.org,direct" GOROOT="/usr/local/go" GOSUMDB="sum.golang.org" GOTMPDIR="" GOTOOLDIR="/usr/local/go/pkg/tool/darwin_amd64" GOVCS="" GOVERSION="go1.18" GCCGO="gccgo" GOAMD64="v1" AR="ar" CC="clang" CXX="clang++" CGO_ENABLED="1" GOMOD="/Users/tklauser/src/go/src/go.mod" GOWORK="" 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/rr/8gjqqn1173v24m0d1l71rpx00000gn/T/go-build4129713692=/tmp/go-build -gno-record-gcc-switches -fno-common"
What did you do?
$ cat <<EOF > defs.go
package defs
/*
struct a { int b; };
*/
import "C"
type A C.struct_a
EOF
$ go tool cgo -godefs defs.go
What did you expect to see?
// Code generated by cmd/cgo -godefs; DO NOT EDIT.
// cgo -godefs defs.go
package defs
type A struct {
B int32
}
What did you see instead?
// Code generated by cmd/cgo -godefs; DO NOT EDIT.
// cgo -godefs /Users/tklauser/tmp/defs.go
package defs
type A struct {
B int32
}
Note that the file path in the comment got rewritten to an absolute path, while it it was specified as a relative path on the command line.
/cc @ianlancetaylor