1 //===--- Distro.h - Linux distribution detection support --------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef LLVM_CLANG_DRIVER_DISTRO_H 10 #define LLVM_CLANG_DRIVER_DISTRO_H 11 12 #include "llvm/ADT/Triple.h" 13 #include "llvm/Support/VirtualFileSystem.h" 14 15 namespace clang { 16 namespace driver { 17 18 /// Distro - Helper class for detecting and classifying Linux distributions. 19 /// 20 /// This class encapsulates the clang Linux distribution detection mechanism 21 /// as well as helper functions that match the specific (versioned) results 22 /// into wider distribution classes. 23 class Distro { 24 public: 25 enum DistroType { 26 // Special value means that no detection was performed yet. 27 UninitializedDistro, 28 // NB: Releases of a particular Linux distro should be kept together 29 // in this enum, because some tests are done by integer comparison against 30 // the first and last known member in the family, e.g. IsRedHat(). 31 AlpineLinux, 32 ArchLinux, 33 DebianLenny, 34 DebianSqueeze, 35 DebianWheezy, 36 DebianJessie, 37 DebianStretch, 38 DebianBuster, 39 DebianBullseye, 40 Exherbo, 41 RHEL5, 42 RHEL6, 43 RHEL7, 44 Fedora, 45 Gentoo, 46 OpenSUSE, 47 UbuntuHardy, 48 UbuntuIntrepid, 49 UbuntuJaunty, 50 UbuntuKarmic, 51 UbuntuLucid, 52 UbuntuMaverick, 53 UbuntuNatty, 54 UbuntuOneiric, 55 UbuntuPrecise, 56 UbuntuQuantal, 57 UbuntuRaring, 58 UbuntuSaucy, 59 UbuntuTrusty, 60 UbuntuUtopic, 61 UbuntuVivid, 62 UbuntuWily, 63 UbuntuXenial, 64 UbuntuYakkety, 65 UbuntuZesty, 66 UbuntuArtful, 67 UbuntuBionic, 68 UbuntuCosmic, 69 UbuntuDisco, 70 UbuntuEoan, 71 UbuntuFocal, 72 UbuntuGroovy, 73 UbuntuHirsute, 74 UbuntuImpish, 75 UnknownDistro 76 }; 77 78 private: 79 /// The distribution, possibly with specific version. 80 DistroType DistroVal; 81 82 public: 83 /// @name Constructors 84 /// @{ 85 86 /// Default constructor leaves the distribution unknown. Distro()87 Distro() : DistroVal() {} 88 89 /// Constructs a Distro type for specific distribution. Distro(DistroType D)90 Distro(DistroType D) : DistroVal(D) {} 91 92 /// Detects the distribution using specified VFS. 93 explicit Distro(llvm::vfs::FileSystem &VFS, const llvm::Triple &TargetOrHost); 94 95 bool operator==(const Distro &Other) const { 96 return DistroVal == Other.DistroVal; 97 } 98 99 bool operator!=(const Distro &Other) const { 100 return DistroVal != Other.DistroVal; 101 } 102 103 bool operator>=(const Distro &Other) const { 104 return DistroVal >= Other.DistroVal; 105 } 106 107 bool operator<=(const Distro &Other) const { 108 return DistroVal <= Other.DistroVal; 109 } 110 111 /// @} 112 /// @name Convenience Predicates 113 /// @{ 114 IsRedhat()115 bool IsRedhat() const { 116 return DistroVal == Fedora || (DistroVal >= RHEL5 && DistroVal <= RHEL7); 117 } 118 IsOpenSUSE()119 bool IsOpenSUSE() const { return DistroVal == OpenSUSE; } 120 IsDebian()121 bool IsDebian() const { 122 return DistroVal >= DebianLenny && DistroVal <= DebianBullseye; 123 } 124 IsUbuntu()125 bool IsUbuntu() const { 126 return DistroVal >= UbuntuHardy && DistroVal <= UbuntuImpish; 127 } 128 IsAlpineLinux()129 bool IsAlpineLinux() const { return DistroVal == AlpineLinux; } 130 IsGentoo()131 bool IsGentoo() const { return DistroVal == Gentoo; } 132 133 /// @} 134 }; 135 136 } // end namespace driver 137 } // end namespace clang 138 139 #endif 140