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// Copyright 2019 The ChromiumOS Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
package main
import (
"path/filepath"
"strings"
)
func processSysrootFlag(builder *commandBuilder) {
fromUser := false
userSysroot := ""
for _, arg := range builder.args {
if arg.fromUser && strings.HasPrefix(arg.value, "--sysroot=") {
fromUser = true
sysrootArg := strings.Split(arg.value, "=")
if len(sysrootArg) == 2 {
userSysroot = sysrootArg[1]
}
break
}
}
sysroot, syrootPresent := builder.env.getenv("SYSROOT")
if syrootPresent {
builder.updateEnv("SYSROOT=")
}
if sysroot == "" {
// Use the bundled sysroot by default.
sysroot = filepath.Join(builder.rootPath, "usr", builder.target.target)
}
if !fromUser {
builder.addPreUserArgs("--sysroot=" + sysroot)
} else {
sysroot = userSysroot
}
libdir := "-L" + sysroot + "/usr/lib"
if strings.Contains(builder.target.target, "64") {
libdir += "64"
}
builder.addPostUserArgs(libdir)
}
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