On Tue, Apr 18, 2017 at 1:37 AM, hui zhang <fastfad...@gmail.com> wrote:
> add a c wrapper around cfunc.h not help either.
>
> 在 2017年4月18日星期二 UTC+8下午4:36:26，hui zhang写道：
>>
>> I want to embedded go code in c/c++ program.
>> my approach as below, however go code can not be compiled
>> C main() --> go func --> c func(in static lib)
>>
>>
>> <main.c>
>> #include "libgofunc.h"
>> int main() {
>> Gofunc();
>> }
>>
>> <gofunc.go> CGO_ENABLED=1 go build -buildmode=c-archive -o
>> libgofunc.a --> error
>>
>> Undefined symbols for architecture x86_64: "_cfunc"
>>
>> package main
>>
>> //#inclue "cfunc.h"
>> import "C"
>> //export Gofunc
>> func Gofunc() {
>> C.cfunc() //cfunc is in a static lib
>> }func main() {} // Required but ignored
>>
>> <cfunc.h , cfunc.a>
>> extern void cfunc();
We don't currently support a Go package calling a C function that is
not yet defined. You have to actually provide a definition for the
function, not just a declaration.
Ian
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