使用 cgo、LuaJIT 和 musl 构建静态二进制文件
Build static binary with cgo, LuaJIT and musl
看完Statically compiled Go programs, always, even with cgo, using musl I'm trying to use described method to statically link LuaJIT。
- 使用 https://github.com/aarzilli/golua 去绑定
- 假设 musl and golua 已经安装
我尝试构建的 Go 代码：
package main
import "github.com/aarzilli/golua/lua"
import "fmt"
func test(L *lua.State) int {
fmt.Println("hello world! from go!")
return 0
}
func test2(L *lua.State) int {
arg := L.CheckInteger(-1)
argfrombottom := L.CheckInteger(1)
fmt.Print("test2 arg: ")
fmt.Println(arg)
fmt.Print("from bottom: ")
fmt.Println(argfrombottom)
return 0
}
func main() {
L := lua.NewState()
defer L.Close()
L.OpenLibs()
L.GetField(lua.LUA_GLOBALSINDEX, "print")
L.PushString("Hello World!")
L.Call(1, 0)
L.PushGoFunction(test)
L.PushGoFunction(test)
L.PushGoFunction(test)
L.PushGoFunction(test)
L.PushGoFunction(test2)
L.PushInteger(42)
L.Call(1, 0)
L.Call(0, 0)
L.Call(0, 0)
L.Call(0, 0)
// this will fail as we didn't register test2 function
err := L.DoString("test2(42)")
fmt.Printf("Ciao %v\n", err)
}
使用参数和输出构建命令：
$ CC="/usr/local/musl/bin/musl-gcc" go build --ldflags '-linkmode external -extldflags "-static"' basic.go
# command-line-arguments
/usr/local/go/pkg/tool/linux_amd64/link: running /usr/local/musl/bin/musl-gcc failed: exit status 1
/usr/bin/ld: cannot find -lluajit-5.1
collect2: error: ld returned 1 exit status
使用 LD_DEBUG=all 我可以获得 more information（8000 多行）。
我的问题：问题是什么以及如何解决？我想可能会有一些提示，但我不太明白。
我采取了以下步骤：
1。使用 musl 构建静态 LuaJIT 库。
$ make STATIC_CC="/usr/local/musl/bin/musl-gcc" CCOPT="-static -fPIC" BUILDMODE="static"
...
==== Successfully built LuaJIT 2.0.4 ====
2。使用 musl 构建动态 LuaJIT 库。
$ make DYNAMIC_CC="/usr/local/musl/bin/musl-gcc" BUILDMODE="dynamic"
...
==== Successfully built LuaJIT 2.0.4 ====
3。检查构建。
$ find . -iname *.a -o -iname *.so
./src/libluajit.a
./src/libluajit.so
4。安装它。
$ sudo make install
...
==== Successfully installed LuaJIT 2.0.4 to /usr/local ====
5。检查安装。
$ pkg-config luajit --cflags
-I/usr/include/luajit-2.0
$ pkg-config luajit --libs
-lluajit-5.1
6。修改 golua lua.go 文件以使用硬编码 cgo 参数。
我在覆盖这些值时遇到了问题，所以我只是修改了源代码。
旧 C 评论 cgo 参数：
/*
#cgo CFLAGS: -I ${SRCDIR}/lua
#cgo llua LDFLAGS: -llua
#cgo luaa LDFLAGS: -llua -lm -ldl
#cgo linux,!llua,!luaa LDFLAGS: -llua5.1
#cgo darwin,!luaa pkg-config: lua5.1
#cgo freebsd,!luaa LDFLAGS: -llua-5.1
#cgo windows,!llua LDFLAGS: -L${SRCDIR} -llua -lmingwex -lmingw32
#include <lua.h>
#include <stdlib.h>
#include "golua.h"
*/
import "C"
新：
/*
#cgo CFLAGS: -I/usr/include/luajit-2.0 -I${SRCDIR}/lua
#cgo LDFLAGS: -lluajit-5.1
#include <lua.h>
#include <stdlib.h>
#include "golua.h"
*/
import "C"
7。建立一些例子
如问题开头所示。
安装 LuaJIT 的位置：
$ find / -iname libluajit* 2> /dev/null
/usr/local/lib/libluajit-5.1.so.2
/usr/local/lib/libluajit-5.1.a
/usr/local/lib/libluajit-5.1.so
/usr/local/lib/libluajit-5.1.so.2.0.4
/usr/lib/libluajit-5.1.so.2.0.5
/usr/lib/libluajit-5.1.so.2
/usr/lib/libluajit-5.1.a
/usr/lib/libluajit-5.1.so
/usr/lib/libluajit.s
编辑 1
我已关注 @putu's 评论并将 #cgo LDFLAGS 更改为
#cgo LDFLAGS: -L/usr/local/lib -lluajit-5.1
现在我有
$ CC="/usr/local/musl/bin/musl-gcc" go build --ldflags '-linkmode external -extldflags "-static -fPIC"' basic.go
# command-line-arguments
/usr/local/go/pkg/tool/linux_amd64/link: running /usr/local/musl/bin/musl-gcc failed: exit status 1
/tmp/go-link-916770907/000000.o: In function `printf':
/usr/include/x86_64-linux-gnu/bits/stdio2.h:104: undefined reference to `__printf_chk'
collect2: error: ld returned 1 exit status
@putu 为我指明了正确的方向，我所要做的就是调整 CFLAGS 以包含 musl.
清理了 C lua.go 中的评论：
/*
#cgo CFLAGS: -I/usr/include/luajit-2.0 -I/usr/local/musl/include/
#cgo LDFLAGS: -L/usr/local/lib -lluajit-5.1
#include <lua.h>
#include <stdlib.h>
#include "golua.h"
*/
import "C"
看起来一切正常：
$ CC="/usr/local/musl/bin/musl-gcc" go build --ldflags '-linkmode external -extldflags "-static"' basic.go
$ file basic
basic: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), statically linked, not stripped
$ ./basic
Hello World!
test2 arg: 42
from bottom: 42
hello world! from go!
hello world! from go!
hello world! from go!
Ciao [string "test2(42)"]:1: attempt to call global 'test2' (a nil value)
看完Statically compiled Go programs, always, even with cgo, using musl I'm trying to use described method to statically link LuaJIT。
- 使用 https://github.com/aarzilli/golua 去绑定
- 假设 musl and golua 已经安装
我尝试构建的 Go 代码：
package main
import "github.com/aarzilli/golua/lua"
import "fmt"
func test(L *lua.State) int {
fmt.Println("hello world! from go!")
return 0
}
func test2(L *lua.State) int {
arg := L.CheckInteger(-1)
argfrombottom := L.CheckInteger(1)
fmt.Print("test2 arg: ")
fmt.Println(arg)
fmt.Print("from bottom: ")
fmt.Println(argfrombottom)
return 0
}
func main() {
L := lua.NewState()
defer L.Close()
L.OpenLibs()
L.GetField(lua.LUA_GLOBALSINDEX, "print")
L.PushString("Hello World!")
L.Call(1, 0)
L.PushGoFunction(test)
L.PushGoFunction(test)
L.PushGoFunction(test)
L.PushGoFunction(test)
L.PushGoFunction(test2)
L.PushInteger(42)
L.Call(1, 0)
L.Call(0, 0)
L.Call(0, 0)
L.Call(0, 0)
// this will fail as we didn't register test2 function
err := L.DoString("test2(42)")
fmt.Printf("Ciao %v\n", err)
}
使用参数和输出构建命令：
$ CC="/usr/local/musl/bin/musl-gcc" go build --ldflags '-linkmode external -extldflags "-static"' basic.go
# command-line-arguments
/usr/local/go/pkg/tool/linux_amd64/link: running /usr/local/musl/bin/musl-gcc failed: exit status 1
/usr/bin/ld: cannot find -lluajit-5.1
collect2: error: ld returned 1 exit status
使用 LD_DEBUG=all 我可以获得 more information（8000 多行）。
我的问题：问题是什么以及如何解决？我想可能会有一些提示
我采取了以下步骤：
1。使用 musl 构建静态 LuaJIT 库。
$ make STATIC_CC="/usr/local/musl/bin/musl-gcc" CCOPT="-static -fPIC" BUILDMODE="static"
...
==== Successfully built LuaJIT 2.0.4 ====
2。使用 musl 构建动态 LuaJIT 库。
$ make DYNAMIC_CC="/usr/local/musl/bin/musl-gcc" BUILDMODE="dynamic"
...
==== Successfully built LuaJIT 2.0.4 ====
3。检查构建。
$ find . -iname *.a -o -iname *.so
./src/libluajit.a
./src/libluajit.so
4。安装它。
$ sudo make install
...
==== Successfully installed LuaJIT 2.0.4 to /usr/local ====
5。检查安装。
$ pkg-config luajit --cflags
-I/usr/include/luajit-2.0
$ pkg-config luajit --libs
-lluajit-5.1
6。修改 golua lua.go 文件以使用硬编码 cgo 参数。
我在覆盖这些值时遇到了问题，所以我只是修改了源代码。
旧 C 评论 cgo 参数：
/*
#cgo CFLAGS: -I ${SRCDIR}/lua
#cgo llua LDFLAGS: -llua
#cgo luaa LDFLAGS: -llua -lm -ldl
#cgo linux,!llua,!luaa LDFLAGS: -llua5.1
#cgo darwin,!luaa pkg-config: lua5.1
#cgo freebsd,!luaa LDFLAGS: -llua-5.1
#cgo windows,!llua LDFLAGS: -L${SRCDIR} -llua -lmingwex -lmingw32
#include <lua.h>
#include <stdlib.h>
#include "golua.h"
*/
import "C"
新：
/*
#cgo CFLAGS: -I/usr/include/luajit-2.0 -I${SRCDIR}/lua
#cgo LDFLAGS: -lluajit-5.1
#include <lua.h>
#include <stdlib.h>
#include "golua.h"
*/
import "C"
7。建立一些例子
如问题开头所示。
安装 LuaJIT 的位置：
$ find / -iname libluajit* 2> /dev/null
/usr/local/lib/libluajit-5.1.so.2
/usr/local/lib/libluajit-5.1.a
/usr/local/lib/libluajit-5.1.so
/usr/local/lib/libluajit-5.1.so.2.0.4
/usr/lib/libluajit-5.1.so.2.0.5
/usr/lib/libluajit-5.1.so.2
/usr/lib/libluajit-5.1.a
/usr/lib/libluajit-5.1.so
/usr/lib/libluajit.s
编辑 1
我已关注 @putu's 评论并将 #cgo LDFLAGS 更改为
#cgo LDFLAGS: -L/usr/local/lib -lluajit-5.1
现在我有
$ CC="/usr/local/musl/bin/musl-gcc" go build --ldflags '-linkmode external -extldflags "-static -fPIC"' basic.go
# command-line-arguments
/usr/local/go/pkg/tool/linux_amd64/link: running /usr/local/musl/bin/musl-gcc failed: exit status 1
/tmp/go-link-916770907/000000.o: In function `printf':
/usr/include/x86_64-linux-gnu/bits/stdio2.h:104: undefined reference to `__printf_chk'
collect2: error: ld returned 1 exit status
@putu 为我指明了正确的方向，我所要做的就是调整 CFLAGS 以包含 musl.
清理了 C lua.go 中的评论：
/*
#cgo CFLAGS: -I/usr/include/luajit-2.0 -I/usr/local/musl/include/
#cgo LDFLAGS: -L/usr/local/lib -lluajit-5.1
#include <lua.h>
#include <stdlib.h>
#include "golua.h"
*/
import "C"
看起来一切正常：
$ CC="/usr/local/musl/bin/musl-gcc" go build --ldflags '-linkmode external -extldflags "-static"' basic.go
$ file basic
basic: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), statically linked, not stripped
$ ./basic
Hello World!
test2 arg: 42
from bottom: 42
hello world! from go!
hello world! from go!
hello world! from go!
Ciao [string "test2(42)"]:1: attempt to call global 'test2' (a nil value)