Attachment 60489 Details for Bug 48441 – Host.inc from llvm-3.0

Host.inc from llvm-3.0

Host.inc (text/plain), 1.93 KB, created by Alen Skondro on 2012-04-23 10:26:08 UTC

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Creator: Alen Skondro

Created: 2012-04-23 10:26:08 UTC

Size: 1.93 KB

patch

obsolete

> //===- llvm/Support/Unix/Host.inc -------------------------------*- C++ -*-===//
>//
>//                     The LLVM Compiler Infrastructure
>//
>// This file is distributed under the University of Illinois Open Source
>// License. See LICENSE.TXT for details.
>//
>//===----------------------------------------------------------------------===//
>//
>// This file implements the UNIX Host support.
>//
>//===----------------------------------------------------------------------===//
>
>//===----------------------------------------------------------------------===//
>//=== WARNING: Implementation here must contain only generic UNIX code that
>//===          is guaranteed to work on *all* UNIX variants.
>//===----------------------------------------------------------------------===//
>
>#include "llvm/Config/config.h"
>#include "llvm/ADT/StringRef.h"
>#include "Unix.h"
>#include <sys/utsname.h>
>#include <cctype>
>#include <string>
>#include <cstdlib> // ::getenv
>
>using namespace llvm;
>
>static std::string getOSVersion() {
>  struct utsname info;
>
>  if (uname(&info))
>    return "";
>
>  return info.release;
>}
>
>std::string sys::getHostTriple() {
>  // FIXME: Derive directly instead of relying on the autoconf generated
>  // variable.
>
>  StringRef HostTripleString(LLVM_HOSTTRIPLE);
>  std::pair<StringRef, StringRef> ArchSplit = HostTripleString.split('-');
>
>  // Normalize the arch, since the host triple may not actually match the host.
>  std::string Arch = ArchSplit.first;
>
>  std::string Triple(Arch);
>  Triple += '-';
>  Triple += ArchSplit.second;
>
>  // Force i<N>86 to i386.
>  if (Triple[0] == 'i' && isdigit(Triple[1]) &&
>      Triple[2] == '8' && Triple[3] == '6')
>    Triple[1] = '3';
>
>  // On darwin, we want to update the version to match that of the
>  // host.
>  std::string::size_type DarwinDashIdx = Triple.find("-darwin");
>  if (DarwinDashIdx != std::string::npos) {
>    Triple.resize(DarwinDashIdx + strlen("-darwin"));
>    Triple += getOSVersion();
>  }
>
>  return Triple;
>}

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Attachments on bug 48441: 59651 | 60489 | 60495 | 60515

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