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 DebianBookworm, 41 Exherbo, 42 RHEL5, 43 RHEL6, 44 RHEL7, 45 Fedora, 46 Gentoo, 47 OpenSUSE, 48 UbuntuHardy, 49 UbuntuIntrepid, 50 UbuntuJaunty, 51 UbuntuKarmic, 52 UbuntuLucid, 53 UbuntuMaverick, 54 UbuntuNatty, 55 UbuntuOneiric, 56 UbuntuPrecise, 57 UbuntuQuantal, 58 UbuntuRaring, 59 UbuntuSaucy, 60 UbuntuTrusty, 61 UbuntuUtopic, 62 UbuntuVivid, 63 UbuntuWily, 64 UbuntuXenial, 65 UbuntuYakkety, 66 UbuntuZesty, 67 UbuntuArtful, 68 UbuntuBionic, 69 UbuntuCosmic, 70 UbuntuDisco, 71 UbuntuEoan, 72 UbuntuFocal, 73 UbuntuGroovy, 74 UbuntuHirsute, 75 UbuntuImpish, 76 UbuntuJammy, 77 UnknownDistro 78 }; 79 80 private: 81 /// The distribution, possibly with specific version. 82 DistroType DistroVal; 83 84 public: 85 /// @name Constructors 86 /// @{ 87 88 /// Default constructor leaves the distribution unknown. 89 Distro() : DistroVal() {} 90 91 /// Constructs a Distro type for specific distribution. 92 Distro(DistroType D) : DistroVal(D) {} 93 94 /// Detects the distribution using specified VFS. 95 explicit Distro(llvm::vfs::FileSystem &VFS, const llvm::Triple &TargetOrHost); 96 97 bool operator==(const Distro &Other) const { 98 return DistroVal == Other.DistroVal; 99 } 100 101 bool operator!=(const Distro &Other) const { 102 return DistroVal != Other.DistroVal; 103 } 104 105 bool operator>=(const Distro &Other) const { 106 return DistroVal >= Other.DistroVal; 107 } 108 109 bool operator<=(const Distro &Other) const { 110 return DistroVal <= Other.DistroVal; 111 } 112 113 /// @} 114 /// @name Convenience Predicates 115 /// @{ 116 117 bool IsRedhat() const { 118 return DistroVal == Fedora || (DistroVal >= RHEL5 && DistroVal <= RHEL7); 119 } 120 121 bool IsOpenSUSE() const { return DistroVal == OpenSUSE; } 122 123 bool IsDebian() const { 124 return DistroVal >= DebianLenny && DistroVal <= DebianBookworm; 125 } 126 127 bool IsUbuntu() const { 128 return DistroVal >= UbuntuHardy && DistroVal <= UbuntuJammy; 129 } 130 131 bool IsAlpineLinux() const { return DistroVal == AlpineLinux; } 132 133 bool IsGentoo() const { return DistroVal == Gentoo; } 134 135 /// @} 136 }; 137 138 } // end namespace driver 139 } // end namespace clang 140 141 #endif 142