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https://github.com/reactos/syzkaller.git
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d1a8851085
We can't cross-compile native binaries from just any OS to any other. For most OSes we can do only native compilation. Some can only be compiled from linux. To date we avoided this problem completely (mostly assumed linux build OS). Make this notion of what can build what explicit.
55 lines
1.3 KiB
Go
55 lines
1.3 KiB
Go
// Copyright 2018 syzkaller project authors. All rights reserved.
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// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
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package main
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import (
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"fmt"
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"os"
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"runtime"
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"strconv"
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"strings"
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"github.com/google/syzkaller/sys/targets"
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)
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func main() {
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hostOS := or(os.Getenv("HOSTOS"), runtime.GOOS)
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hostArch := or(os.Getenv("HOSTARCH"), runtime.GOARCH)
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targetOS := or(os.Getenv("TARGETOS"), hostOS)
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targetArch := or(os.Getenv("TARGETARCH"), hostArch)
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targetVMArch := or(os.Getenv("TARGETVMARCH"), targetArch)
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target := targets.Get(targetOS, targetArch)
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if target == nil {
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fmt.Printf("unknown target %v/%v\n", targetOS, targetArch)
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os.Exit(1)
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}
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type Var struct {
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Name string
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Val string
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}
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vars := []Var{
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{"BUILDOS", runtime.GOOS},
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{"NATIVEBUILDOS", target.BuildOS},
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{"HOSTOS", hostOS},
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{"HOSTARCH", hostArch},
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{"TARGETOS", targetOS},
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{"TARGETARCH", targetArch},
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{"TARGETVMARCH", targetVMArch},
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{"CC", target.CCompiler},
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{"ADDCFLAGS", strings.Join(target.CrossCFlags, " ")},
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{"NCORES", strconv.Itoa(runtime.NumCPU())},
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{"EXE", target.ExeExtension},
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}
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for _, v := range vars {
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fmt.Printf("export %v=%v\\n", v.Name, v.Val)
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}
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}
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func or(s1, s2 string) string {
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if s1 != "" {
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return s1
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}
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return s2
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}
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