I want to call a go function from c.
I have file main.go:
package main
import "fmt"
import "C"
//export MyFunction
func MyFunction(arg1 int) int64 {
fmt.Println("GO:MyFunction", "arg1=", arg1)
return 1
}
func main() {
fmt.Println("GO:main")
}
I build this with:
go build -buildmode=c-archive main.go
c file call.c:
#include <stdio.h>
#include "main.h"
void main() {
printf("C:main %s\n", "pc");
MyFunction(1);
}
gcc call.c -L./main.a
/tmp/ccNCGKAS.o: In function `main':
call.c:(.text+0x1e): undefined reference to `MyFunction'
collect2: error: ld returned 1 exit status
MyFunction is found in main.a archive
nm main.a | grep MyFunction
0000000000000000 T _cgoexp_ca787091a83e_MyFunction
0000000000000060 t main._cgoexpwrap_ca787091a83e_MyFunction
0000000000032660 r main._cgoexpwrap_ca787091a83e_MyFunction.f
00000000000000b0 t main.MyFunction
U _cgoexp_ca787091a83e_MyFunction
0000000000000000 T MyFunction
How do I resolve this ?
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