http://tonybai.com/2012/09/26/interoperability-between-go-and-c/
// foo.h int count; void foo(); //foo.c #include "foo.h" int count = 6; void foo() { printf("I am foo!\n"); }
//foo.go package main // #cgo LDFLAGS: -L ./ -lfoo // #include <stdio.h> // #include <stdlib.h> // #include "foo.h" import "C" import "fmt“ func main() { fmt.Println(C.count) C.foo() }
使用静态库
$> gcc -c foo.c
$> ar rv libfoo.a foo.o
[diego@localhost ~/GoWork/src/applycation/testCgo]# go build foo.go [diego@localhost ~/GoWork/src/applycation/testCgo]# ./foo 6 I am foo!
[diego@localhost ~/GoWork/src/applycation/testCgo]# gcc -fPIC -shared -o libfoo.so foo.c [diego@localhost ~/GoWork/src/applycation/testCgo]# rm li libfoo.a libfoo.so* [diego@localhost ~/GoWork/src/applycation/testCgo]# rm libfoo.a [diego@localhost ~/GoWork/src/applycation/testCgo]# go build fo foo* foo.c foo.go foo.h foo.o [diego@localhost ~/GoWork/src/applycation/testCgo]# go build foo. foo.c foo.go foo.h foo.o [diego@localhost ~/GoWork/src/applycation/testCgo]# go build foo.go [diego@localhost ~/GoWork/src/applycation/testCgo]# ./foo 6 I am foo! [diego@localhost ~/GoWork/src/applycation/testCgo]#
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