github.com/goplus/llgo@v0.8.3/xtool/llvm/llvmlink/link.go (about) 1 /* 2 * Copyright (c) 2024 The GoPlus Authors (goplus.org). All rights reserved. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package llvmlink 18 19 import ( 20 "io" 21 "os" 22 "os/exec" 23 ) 24 25 // ----------------------------------------------------------------------------- 26 27 // Cmd represents a llvm-link command. 28 type Cmd struct { 29 app string 30 31 Stdout io.Writer 32 Stderr io.Writer 33 } 34 35 // New creates a new llvm-link command. 36 func New(app string) *Cmd { 37 if app == "" { 38 app = os.Getenv("LLGO_LLVM_ROOT") + "/bin/llvm-link" 39 } 40 return &Cmd{app, os.Stdout, os.Stderr} 41 } 42 43 func (p *Cmd) Exec(args ...string) error { 44 cmd := exec.Command(p.app, args...) 45 cmd.Stdout = p.Stdout 46 cmd.Stderr = p.Stderr 47 return cmd.Run() 48 } 49 50 // -----------------------------------------------------------------------------