head 1.1; branch 1.1.1; access; symbols netbsd-11-0-RC4:1.1.1.2 netbsd-11-0-RC3:1.1.1.2 netbsd-11-0-RC2:1.1.1.2 netbsd-11-0-RC1:1.1.1.2 perseant-exfatfs-base-20250801:1.1.1.2 netbsd-11:1.1.1.2.0.8 netbsd-11-base:1.1.1.2 netbsd-10-1-RELEASE:1.1.1.2 perseant-exfatfs-base-20240630:1.1.1.2 perseant-exfatfs:1.1.1.2.0.6 perseant-exfatfs-base:1.1.1.2 netbsd-10-0-RELEASE:1.1.1.2 netbsd-10-0-RC6:1.1.1.2 netbsd-10-0-RC5:1.1.1.2 netbsd-10-0-RC4:1.1.1.2 netbsd-10-0-RC3:1.1.1.2 netbsd-10-0-RC2:1.1.1.2 netbsd-10-0-RC1:1.1.1.2 netbsd-10:1.1.1.2.0.4 netbsd-10-base:1.1.1.2 cjep_sun2x-base1:1.1.1.2 cjep_sun2x:1.1.1.2.0.2 cjep_sun2x-base:1.1.1.2 cjep_staticlib_x-base1:1.1.1.2 LLVM-249b40b558955afe5ac2b549edcf2d7f859c8cc9:1.1.1.2 cjep_staticlib_x:1.1.1.1.0.4 cjep_staticlib_x-base:1.1.1.1 phil-wifi-20200421:1.1.1.1 phil-wifi-20200411:1.1.1.1 is-mlppp:1.1.1.1.0.2 is-mlppp-base:1.1.1.1 phil-wifi-20200406:1.1.1.1 phil-wifi-20191119:1.1.1.1 LLVM-01f3a59fb3e2542fce74c768718f594d0debd0da:1.1.1.1 LLVM:1.1.1; locks; strict; comment @// @; 1.1 date 2019.11.08.14.30.02; author joerg; state Exp; branches 1.1.1.1; next ; commitid lIv69tfiG0KHw3KB; 1.1.1.1 date 2019.11.08.14.30.02; author joerg; state Exp; branches 1.1.1.1.4.1; next 1.1.1.2; commitid lIv69tfiG0KHw3KB; 1.1.1.2 date 2021.05.30.01.25.34; author joerg; state Exp; branches; next ; commitid uhgdinROdC6tU6VC; 1.1.1.1.4.1 date 2021.05.31.22.07.14; author cjep; state Exp; branches; next ; commitid eWz9SBW0XqKjJlVC; desc @@ 1.1 log @Initial revision @ text @//===--- Distro.cpp - Linux distribution detection support ------*- C++ -*-===// // // 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 // //===----------------------------------------------------------------------===// #include "clang/Driver/Distro.h" #include "clang/Basic/LLVM.h" #include "llvm/ADT/SmallVector.h" #include "llvm/ADT/StringRef.h" #include "llvm/ADT/StringSwitch.h" #include "llvm/Support/ErrorOr.h" #include "llvm/Support/MemoryBuffer.h" using namespace clang::driver; using namespace clang; static Distro::DistroType DetectDistro(llvm::vfs::FileSystem &VFS) { llvm::ErrorOr> File = VFS.getBufferForFile("/etc/lsb-release"); if (File) { StringRef Data = File.get()->getBuffer(); SmallVector Lines; Data.split(Lines, "\n"); Distro::DistroType Version = Distro::UnknownDistro; for (StringRef Line : Lines) if (Version == Distro::UnknownDistro && Line.startswith("DISTRIB_CODENAME=")) Version = llvm::StringSwitch(Line.substr(17)) .Case("hardy", Distro::UbuntuHardy) .Case("intrepid", Distro::UbuntuIntrepid) .Case("jaunty", Distro::UbuntuJaunty) .Case("karmic", Distro::UbuntuKarmic) .Case("lucid", Distro::UbuntuLucid) .Case("maverick", Distro::UbuntuMaverick) .Case("natty", Distro::UbuntuNatty) .Case("oneiric", Distro::UbuntuOneiric) .Case("precise", Distro::UbuntuPrecise) .Case("quantal", Distro::UbuntuQuantal) .Case("raring", Distro::UbuntuRaring) .Case("saucy", Distro::UbuntuSaucy) .Case("trusty", Distro::UbuntuTrusty) .Case("utopic", Distro::UbuntuUtopic) .Case("vivid", Distro::UbuntuVivid) .Case("wily", Distro::UbuntuWily) .Case("xenial", Distro::UbuntuXenial) .Case("yakkety", Distro::UbuntuYakkety) .Case("zesty", Distro::UbuntuZesty) .Case("artful", Distro::UbuntuArtful) .Case("bionic", Distro::UbuntuBionic) .Case("cosmic", Distro::UbuntuCosmic) .Case("disco", Distro::UbuntuDisco) .Case("eoan", Distro::UbuntuEoan) .Default(Distro::UnknownDistro); if (Version != Distro::UnknownDistro) return Version; } File = VFS.getBufferForFile("/etc/redhat-release"); if (File) { StringRef Data = File.get()->getBuffer(); if (Data.startswith("Fedora release")) return Distro::Fedora; if (Data.startswith("Red Hat Enterprise Linux") || Data.startswith("CentOS") || Data.startswith("Scientific Linux")) { if (Data.find("release 7") != StringRef::npos) return Distro::RHEL7; else if (Data.find("release 6") != StringRef::npos) return Distro::RHEL6; else if (Data.find("release 5") != StringRef::npos) return Distro::RHEL5; } return Distro::UnknownDistro; } File = VFS.getBufferForFile("/etc/debian_version"); if (File) { StringRef Data = File.get()->getBuffer(); // Contents: < major.minor > or < codename/sid > int MajorVersion; if (!Data.split('.').first.getAsInteger(10, MajorVersion)) { switch (MajorVersion) { case 5: return Distro::DebianLenny; case 6: return Distro::DebianSqueeze; case 7: return Distro::DebianWheezy; case 8: return Distro::DebianJessie; case 9: return Distro::DebianStretch; case 10: return Distro::DebianBuster; case 11: return Distro::DebianBullseye; default: return Distro::UnknownDistro; } } return llvm::StringSwitch(Data.split("\n").first) .Case("squeeze/sid", Distro::DebianSqueeze) .Case("wheezy/sid", Distro::DebianWheezy) .Case("jessie/sid", Distro::DebianJessie) .Case("stretch/sid", Distro::DebianStretch) .Case("buster/sid", Distro::DebianBuster) .Case("bullseye/sid", Distro::DebianBullseye) .Default(Distro::UnknownDistro); } File = VFS.getBufferForFile("/etc/SuSE-release"); if (File) { StringRef Data = File.get()->getBuffer(); SmallVector Lines; Data.split(Lines, "\n"); for (const StringRef& Line : Lines) { if (!Line.trim().startswith("VERSION")) continue; std::pair SplitLine = Line.split('='); // Old versions have split VERSION and PATCHLEVEL // Newer versions use VERSION = x.y std::pair SplitVer = SplitLine.second.trim().split('.'); int Version; // OpenSUSE/SLES 10 and older are not supported and not compatible // with our rules, so just treat them as Distro::UnknownDistro. if (!SplitVer.first.getAsInteger(10, Version) && Version > 10) return Distro::OpenSUSE; return Distro::UnknownDistro; } return Distro::UnknownDistro; } if (VFS.exists("/etc/exherbo-release")) return Distro::Exherbo; if (VFS.exists("/etc/alpine-release")) return Distro::AlpineLinux; if (VFS.exists("/etc/arch-release")) return Distro::ArchLinux; if (VFS.exists("/etc/gentoo-release")) return Distro::Gentoo; return Distro::UnknownDistro; } Distro::Distro(llvm::vfs::FileSystem &VFS) : DistroVal(DetectDistro(VFS)) {} @ 1.1.1.1 log @Import 01f3a59fb3e2542fce74c768718f594d0debd0da from the LLVM mono-repo: clang (without test/, unittests/, www/) llvm (without test/, unittests/) @ text @@ 1.1.1.1.4.1 log @sync with head @ text @a13 1 #include "llvm/ADT/Triple.h" a14 1 #include "llvm/Support/Host.h" a15 1 #include "llvm/Support/Threading.h" d20 1 a20 29 static Distro::DistroType DetectOsRelease(llvm::vfs::FileSystem &VFS) { llvm::ErrorOr> File = VFS.getBufferForFile("/etc/os-release"); if (!File) File = VFS.getBufferForFile("/usr/lib/os-release"); if (!File) return Distro::UnknownDistro; SmallVector Lines; File.get()->getBuffer().split(Lines, "\n"); Distro::DistroType Version = Distro::UnknownDistro; // Obviously this can be improved a lot. for (StringRef Line : Lines) if (Version == Distro::UnknownDistro && Line.startswith("ID=")) Version = llvm::StringSwitch(Line.substr(3)) .Case("alpine", Distro::AlpineLinux) .Case("fedora", Distro::Fedora) .Case("gentoo", Distro::Gentoo) .Case("arch", Distro::ArchLinux) // On SLES, /etc/os-release was introduced in SLES 11. .Case("sles", Distro::OpenSUSE) .Case("opensuse", Distro::OpenSUSE) .Case("exherbo", Distro::Exherbo) .Default(Distro::UnknownDistro); return Version; } static Distro::DistroType DetectLsbRelease(llvm::vfs::FileSystem &VFS) { d23 36 a58 60 if (!File) return Distro::UnknownDistro; SmallVector Lines; File.get()->getBuffer().split(Lines, "\n"); Distro::DistroType Version = Distro::UnknownDistro; for (StringRef Line : Lines) if (Version == Distro::UnknownDistro && Line.startswith("DISTRIB_CODENAME=")) Version = llvm::StringSwitch(Line.substr(17)) .Case("hardy", Distro::UbuntuHardy) .Case("intrepid", Distro::UbuntuIntrepid) .Case("jaunty", Distro::UbuntuJaunty) .Case("karmic", Distro::UbuntuKarmic) .Case("lucid", Distro::UbuntuLucid) .Case("maverick", Distro::UbuntuMaverick) .Case("natty", Distro::UbuntuNatty) .Case("oneiric", Distro::UbuntuOneiric) .Case("precise", Distro::UbuntuPrecise) .Case("quantal", Distro::UbuntuQuantal) .Case("raring", Distro::UbuntuRaring) .Case("saucy", Distro::UbuntuSaucy) .Case("trusty", Distro::UbuntuTrusty) .Case("utopic", Distro::UbuntuUtopic) .Case("vivid", Distro::UbuntuVivid) .Case("wily", Distro::UbuntuWily) .Case("xenial", Distro::UbuntuXenial) .Case("yakkety", Distro::UbuntuYakkety) .Case("zesty", Distro::UbuntuZesty) .Case("artful", Distro::UbuntuArtful) .Case("bionic", Distro::UbuntuBionic) .Case("cosmic", Distro::UbuntuCosmic) .Case("disco", Distro::UbuntuDisco) .Case("eoan", Distro::UbuntuEoan) .Case("focal", Distro::UbuntuFocal) .Case("groovy", Distro::UbuntuGroovy) .Case("hirsute", Distro::UbuntuHirsute) .Case("impish", Distro::UbuntuImpish) .Default(Distro::UnknownDistro); return Version; } static Distro::DistroType DetectDistro(llvm::vfs::FileSystem &VFS) { Distro::DistroType Version = Distro::UnknownDistro; // Newer freedesktop.org's compilant systemd-based systems // should provide /etc/os-release or /usr/lib/os-release. Version = DetectOsRelease(VFS); if (Version != Distro::UnknownDistro) return Version; // Older systems might provide /etc/lsb-release. Version = DetectLsbRelease(VFS); if (Version != Distro::UnknownDistro) return Version; // Otherwise try some distro-specific quirks for RedHat... llvm::ErrorOr> File = VFS.getBufferForFile("/etc/redhat-release"); d60 1 d66 2 a67 1 Data.startswith("CentOS") || Data.startswith("Scientific Linux")) { a77 1 // ...for Debian a112 1 // ...for SUSE d118 1 a118 1 for (const StringRef &Line : Lines) { d124 1 a124 2 std::pair SplitVer = SplitLine.second.trim().split('.'); d136 9 a144 1 // ...and others. d151 1 a151 31 static Distro::DistroType GetDistro(llvm::vfs::FileSystem &VFS, const llvm::Triple &TargetOrHost) { // If we don't target Linux, no need to check the distro. This saves a few // OS calls. if (!TargetOrHost.isOSLinux()) return Distro::UnknownDistro; // True if we're backed by a real file system. const bool onRealFS = (llvm::vfs::getRealFileSystem() == &VFS); // If the host is not running Linux, and we're backed by a real file // system, no need to check the distro. This is the case where someone // is cross-compiling from BSD or Windows to Linux, and it would be // meaningless to try to figure out the "distro" of the non-Linux host. llvm::Triple HostTriple(llvm::sys::getProcessTriple()); if (!HostTriple.isOSLinux() && onRealFS) return Distro::UnknownDistro; if (onRealFS) { // If we're backed by a real file system, perform // the detection only once and save the result. static Distro::DistroType LinuxDistro = DetectDistro(VFS); return LinuxDistro; } // This is mostly for passing tests which uses llvm::vfs::InMemoryFileSystem, // which is not "real". return DetectDistro(VFS); } Distro::Distro(llvm::vfs::FileSystem &VFS, const llvm::Triple &TargetOrHost) : DistroVal(GetDistro(VFS, TargetOrHost)) {} @ 1.1.1.2 log @Import clang 249b40b558955afe5ac2b549edcf2d7f859c8cc9. @ text @a13 1 #include "llvm/ADT/Triple.h" a14 1 #include "llvm/Support/Host.h" a15 1 #include "llvm/Support/Threading.h" d20 1 a20 29 static Distro::DistroType DetectOsRelease(llvm::vfs::FileSystem &VFS) { llvm::ErrorOr> File = VFS.getBufferForFile("/etc/os-release"); if (!File) File = VFS.getBufferForFile("/usr/lib/os-release"); if (!File) return Distro::UnknownDistro; SmallVector Lines; File.get()->getBuffer().split(Lines, "\n"); Distro::DistroType Version = Distro::UnknownDistro; // Obviously this can be improved a lot. for (StringRef Line : Lines) if (Version == Distro::UnknownDistro && Line.startswith("ID=")) Version = llvm::StringSwitch(Line.substr(3)) .Case("alpine", Distro::AlpineLinux) .Case("fedora", Distro::Fedora) .Case("gentoo", Distro::Gentoo) .Case("arch", Distro::ArchLinux) // On SLES, /etc/os-release was introduced in SLES 11. .Case("sles", Distro::OpenSUSE) .Case("opensuse", Distro::OpenSUSE) .Case("exherbo", Distro::Exherbo) .Default(Distro::UnknownDistro); return Version; } static Distro::DistroType DetectLsbRelease(llvm::vfs::FileSystem &VFS) { d23 36 a58 60 if (!File) return Distro::UnknownDistro; SmallVector Lines; File.get()->getBuffer().split(Lines, "\n"); Distro::DistroType Version = Distro::UnknownDistro; for (StringRef Line : Lines) if (Version == Distro::UnknownDistro && Line.startswith("DISTRIB_CODENAME=")) Version = llvm::StringSwitch(Line.substr(17)) .Case("hardy", Distro::UbuntuHardy) .Case("intrepid", Distro::UbuntuIntrepid) .Case("jaunty", Distro::UbuntuJaunty) .Case("karmic", Distro::UbuntuKarmic) .Case("lucid", Distro::UbuntuLucid) .Case("maverick", Distro::UbuntuMaverick) .Case("natty", Distro::UbuntuNatty) .Case("oneiric", Distro::UbuntuOneiric) .Case("precise", Distro::UbuntuPrecise) .Case("quantal", Distro::UbuntuQuantal) .Case("raring", Distro::UbuntuRaring) .Case("saucy", Distro::UbuntuSaucy) .Case("trusty", Distro::UbuntuTrusty) .Case("utopic", Distro::UbuntuUtopic) .Case("vivid", Distro::UbuntuVivid) .Case("wily", Distro::UbuntuWily) .Case("xenial", Distro::UbuntuXenial) .Case("yakkety", Distro::UbuntuYakkety) .Case("zesty", Distro::UbuntuZesty) .Case("artful", Distro::UbuntuArtful) .Case("bionic", Distro::UbuntuBionic) .Case("cosmic", Distro::UbuntuCosmic) .Case("disco", Distro::UbuntuDisco) .Case("eoan", Distro::UbuntuEoan) .Case("focal", Distro::UbuntuFocal) .Case("groovy", Distro::UbuntuGroovy) .Case("hirsute", Distro::UbuntuHirsute) .Case("impish", Distro::UbuntuImpish) .Default(Distro::UnknownDistro); return Version; } static Distro::DistroType DetectDistro(llvm::vfs::FileSystem &VFS) { Distro::DistroType Version = Distro::UnknownDistro; // Newer freedesktop.org's compilant systemd-based systems // should provide /etc/os-release or /usr/lib/os-release. Version = DetectOsRelease(VFS); if (Version != Distro::UnknownDistro) return Version; // Older systems might provide /etc/lsb-release. Version = DetectLsbRelease(VFS); if (Version != Distro::UnknownDistro) return Version; // Otherwise try some distro-specific quirks for RedHat... llvm::ErrorOr> File = VFS.getBufferForFile("/etc/redhat-release"); d60 1 d66 2 a67 1 Data.startswith("CentOS") || Data.startswith("Scientific Linux")) { a77 1 // ...for Debian a112 1 // ...for SUSE d118 1 a118 1 for (const StringRef &Line : Lines) { d124 1 a124 2 std::pair SplitVer = SplitLine.second.trim().split('.'); d136 9 a144 1 // ...and others. d151 1 a151 31 static Distro::DistroType GetDistro(llvm::vfs::FileSystem &VFS, const llvm::Triple &TargetOrHost) { // If we don't target Linux, no need to check the distro. This saves a few // OS calls. if (!TargetOrHost.isOSLinux()) return Distro::UnknownDistro; // True if we're backed by a real file system. const bool onRealFS = (llvm::vfs::getRealFileSystem() == &VFS); // If the host is not running Linux, and we're backed by a real file // system, no need to check the distro. This is the case where someone // is cross-compiling from BSD or Windows to Linux, and it would be // meaningless to try to figure out the "distro" of the non-Linux host. llvm::Triple HostTriple(llvm::sys::getProcessTriple()); if (!HostTriple.isOSLinux() && onRealFS) return Distro::UnknownDistro; if (onRealFS) { // If we're backed by a real file system, perform // the detection only once and save the result. static Distro::DistroType LinuxDistro = DetectDistro(VFS); return LinuxDistro; } // This is mostly for passing tests which uses llvm::vfs::InMemoryFileSystem, // which is not "real". return DetectDistro(VFS); } Distro::Distro(llvm::vfs::FileSystem &VFS, const llvm::Triple &TargetOrHost) : DistroVal(GetDistro(VFS, TargetOrHost)) {} @