| //===- 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 default locations for cc, cxx and llgo. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| package main |
| |
| import ( |
| "path/filepath" |
| "os" |
| "os/exec" |
| ) |
| |
| var defaultGCCGO, defaultCC, defaultCXX 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") |
| defaultCXX = filepath.Join(prefix, "bin", "clang++") |
| defaultGCCGO = filepath.Join(prefix, "bin", "llgo") |
| toolDir = filepath.Join(prefix, "lib", "go", "llgo-@LLGO_VERSION@") |
| |
| gccgoName = os.Getenv("GCCGO") |
| if gccgoName == "" { |
| gccgoName = defaultGCCGO |
| } |
| gccgoBin, _ = exec.LookPath(gccgoName) |
| } |