}

//go:cgo_import_dynamic libc_freeaddrinfo freeaddrinfo "/usr/lib/libSystem.B.dylib"
func libc_freeaddrinfo_trampoline()

func Freeaddrinfo(ai *Addrinfo) {
	syscall_syscall6(abi.FuncPCABI0(libc_freeaddrinfo_trampoline),
		uintptr(unsafe.Pointer(ai)),
		0, 0, 0, 0, 0)
}

//go:cgo_import_dynamic libc_getnameinfo getnameinfo "/usr/lib/libSystem.B.dylib"
func libc_getnameinfo_trampoline()

// license that can be found in the LICENSE file.

package unix

import (
	"internal/abi"
	"syscall"
	"unsafe"
)

//go:cgo_import_dynamic libc_getgrouplist getgrouplist "/usr/lib/libSystem.B.dylib"
func libc_getgrouplist_trampoline()

func Getgrouplist(name *byte, gid uint32, gids *uint32, n *int32) error {
	_, _, errno := syscall_syscall6(abi.FuncPCABI0(libc_getgrouplist_trampoline),

package unix

import (
	"internal/abi"
	"syscall"
	"unsafe"
)

func libc_faccessat_trampoline()

//go:cgo_import_dynamic libc_faccessat faccessat "/usr/lib/libSystem.B.dylib"

func faccessat(dirfd int, path string, mode uint32, flags int) error {
	p, err := syscall.BytePtrFromString(path)
	if err != nil {
		return err
	}

			nil, // LC_SYMTAB
			nil, // LC_DYSYMTAB
			nil, // LC_LOAD_DYLINKER
			nil, // LC_UUID
			nil, // LC_UNIXTHREAD
			&Dylib{nil, "/usr/lib/libgcc_s.1.dylib", 0x2, 0x10000, 0x10000},
			&Dylib{nil, "/usr/lib/libSystem.B.dylib", 0x2, 0x6f0104, 0x10000},
		},
		[]*SectionHeader{
			{"__text", "__TEXT", 0x1f68, 0x88, 0xf68, 0x2, 0x0, 0x0, 0x80000400},

#cgo freebsd LDFLAGS: -L. -l cgosotest
#cgo openbsd LDFLAGS: -L. -l cgosotest
#cgo solaris LDFLAGS: -L. -lcgosotest
#cgo netbsd LDFLAGS: -L. libcgosotest.so
#cgo darwin LDFLAGS: -L. libcgosotest.dylib
#cgo windows LDFLAGS: -L. libcgosotest.a
#cgo aix LDFLAGS: -L. -l cgosotest

void init(void);
void sofunc(void);
*/
import "C"

func Test() {
	C.init()
	C.sofunc()
}

//export goCallback

// This is a separate package because we cannot have Go
// assembly code and cgo code in the same package.

//go:build darwin

package asm

//go:cgo_import_dynamic libc_mach_task_self_ mach_task_self_ "/usr/lib/libSystem.B.dylib"

// load mach_task_self_ from assembly code

                            sharedLibraryLinkFile = file("${baseDir}/util.lib")
                        }
                    } else if (os.macOsX) {
                        sharedLibraryFile = file("${baseDir}/libutil.dylib")
                    } else {
                        sharedLibraryFile = file("${baseDir}/libutil.so")
                    }
                }
            }
        }
    }

    components {

// license that can be found in the LICENSE file.

package unix

import (
	"internal/abi"
	"unsafe"
)

//go:cgo_import_dynamic libc_arc4random_buf arc4random_buf "/usr/lib/libSystem.B.dylib"

func libc_arc4random_buf_trampoline()

// ARC4Random calls the macOS arc4random_buf(3) function.
func ARC4Random(p []byte) {
	// macOS 11 and 12 abort if length is 0.
	if len(p) == 0 {
		return
	}

    /**
     * Apple UTI for executables.
     */
    MACH_O_EXECUTABLE("", "compiled.mach-o.executable"),

    /**
     * Apple UTI for dynamic libraries.
     */
    MACH_O_DYNAMIC_LIBRARY("dylib", "compiled.mach-o.dylib"),

    /**
     * Apple UTI for static libraries.
     */
    ARCHIVE_LIBRARY("a", "archive.ar"),

    C_SOURCE_CODE("c", "sourcecode.c.c"),
    CC_SOURCE_CODE("cc", "sourcecode.cpp.cpp"),

[!GOOS:darwin] skip
[!cgo] skip

! go build
stderr 'invalid flag in #cgo LDFLAGS: -lto_library'

-- go.mod --
module ldflag

-- main.go --
package main

// #cgo CFLAGS: -flto
// #cgo LDFLAGS: -lto_library bad.dylib
import "C"