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/Support/VirtualFileSystem.h" 13 #include "llvm/TargetParser/Triple.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 DebianBookworm, 41 DebianTrixie, 42 Exherbo, 43 RHEL5, 44 RHEL6, 45 RHEL7, 46 Fedora, 47 Gentoo, 48 OpenSUSE, 49 UbuntuHardy, 50 UbuntuIntrepid, 51 UbuntuJaunty, 52 UbuntuKarmic, 53 UbuntuLucid, 54 UbuntuMaverick, 55 UbuntuNatty, 56 UbuntuOneiric, 57 UbuntuPrecise, 58 UbuntuQuantal, 59 UbuntuRaring, 60 UbuntuSaucy, 61 UbuntuTrusty, 62 UbuntuUtopic, 63 UbuntuVivid, 64 UbuntuWily, 65 UbuntuXenial, 66 UbuntuYakkety, 67 UbuntuZesty, 68 UbuntuArtful, 69 UbuntuBionic, 70 UbuntuCosmic, 71 UbuntuDisco, 72 UbuntuEoan, 73 UbuntuFocal, 74 UbuntuGroovy, 75 UbuntuHirsute, 76 UbuntuImpish, 77 UbuntuJammy, 78 UbuntuKinetic, 79 UbuntuLunar, 80 UbuntuMantic, 81 UbuntuNoble, 82 UbuntuOracular, 83 UnknownDistro 84 }; 85 86 private: 87 /// The distribution, possibly with specific version. 88 DistroType DistroVal; 89 90 public: 91 /// @name Constructors 92 /// @{ 93 94 /// Default constructor leaves the distribution unknown. Distro()95 Distro() : DistroVal() {} 96 97 /// Constructs a Distro type for specific distribution. Distro(DistroType D)98 Distro(DistroType D) : DistroVal(D) {} 99 100 /// Detects the distribution using specified VFS. 101 explicit Distro(llvm::vfs::FileSystem &VFS, const llvm::Triple &TargetOrHost); 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 bool operator>=(const Distro &Other) const { 112 return DistroVal >= Other.DistroVal; 113 } 114 115 bool operator<=(const Distro &Other) const { 116 return DistroVal <= Other.DistroVal; 117 } 118 119 /// @} 120 /// @name Convenience Predicates 121 /// @{ 122 IsRedhat()123 bool IsRedhat() const { 124 return DistroVal == Fedora || (DistroVal >= RHEL5 && DistroVal <= RHEL7); 125 } 126 IsOpenSUSE()127 bool IsOpenSUSE() const { return DistroVal == OpenSUSE; } 128 IsDebian()129 bool IsDebian() const { 130 return DistroVal >= DebianLenny && DistroVal <= DebianTrixie; 131 } 132 IsUbuntu()133 bool IsUbuntu() const { 134 return DistroVal >= UbuntuHardy && DistroVal <= UbuntuOracular; 135 } 136 IsAlpineLinux()137 bool IsAlpineLinux() const { return DistroVal == AlpineLinux; } 138 IsGentoo()139 bool IsGentoo() const { return DistroVal == Gentoo; } 140 141 /// @} 142 }; 143 144 } // end namespace driver 145 } // end namespace clang 146 147 #endif 148