golang/go
cmd/cgo: cgo + static const int results in "undefined reference" on linux
Aperta
#40.820 aperta il 16 ago 2020
NeedsInvestigationcompiler/runtimehelp wanted
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Descrizione
What version of Go are you using (go version)?
Does this issue reproduce with the latest release?
Have not tried
What operating system and processor architecture are you using (go env)?
What did you do?
Linking of a program referring to static const int fails with undefined reference:
foo.h
static const int BAR = 1;
foo.go
package main
/*
#include "foo.h"
*/
import "C"
import "fmt"
const (
BAR = int(C.BAR)
)
func main() {
fmt.Println(BAR)
}
What did you expect to see?
Compilation succeeds on linux as it does on darwin
What did you see instead?
go build
/usr/bin/ld: $WORK/b001/_cgo_main.o:/tmp/go-build/cgo-generated-wrappers:2: undefined reference to `BAR'
collect2: error: ld returned 1 exit status