llvm-project/llgo/cmd/cgo/zdefaultcc.go

46 lines
1003 B
Go

//===- zdefaultcc.go - default compiler locations -------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file provides a default location for cc.
//
//===----------------------------------------------------------------------===//
package main
import (
"path/filepath"
"os"
"os/exec"
)
var defaultCC string
func getInstPrefix() (string, error) {
path, err := exec.LookPath(os.Args[0])
if err != nil {
return "", err
}
path, err = filepath.EvalSymlinks(path)
if err != nil {
return "", err
}
prefix := filepath.Join(path, "..", "..", "..", "..")
return prefix, nil
}
func init() {
prefix, err := getInstPrefix()
if err != nil {
panic(err.Error())
}
defaultCC = filepath.Join(prefix, "bin", "clang")
}