diff options
| -rw-r--r-- | include/llvm/ADT/Triple.h | 7 | ||||
| -rw-r--r-- | lib/Support/Triple.cpp | 39 |
2 files changed, 46 insertions, 0 deletions
diff --git a/include/llvm/ADT/Triple.h b/include/llvm/ADT/Triple.h index 6299e14192..eabb7c3f58 100644 --- a/include/llvm/ADT/Triple.h +++ b/include/llvm/ADT/Triple.h @@ -209,6 +209,13 @@ public: return Maj; } + /// getMacOSXVersion - Parse the version number as with getOSVersion and then + /// translate generic "darwin" versions to the corresponding OS X versions. + /// This may also be called with IOS triples but the OS X version number is + /// just set to a constant 10.4.0 in that case. Returns true if successful. + bool getMacOSXVersion(unsigned &Major, unsigned &Minor, + unsigned &Micro) const; + /// @} /// @name Direct Component Access /// @{ diff --git a/lib/Support/Triple.cpp b/lib/Support/Triple.cpp index d726fa300d..7433c0ae86 100644 --- a/lib/Support/Triple.cpp +++ b/lib/Support/Triple.cpp @@ -613,6 +613,45 @@ void Triple::getOSVersion(unsigned &Major, unsigned &Minor, } } +bool Triple::getMacOSXVersion(unsigned &Major, unsigned &Minor, + unsigned &Micro) const { + getOSVersion(Major, Minor, Micro); + + switch (getOS()) { + default: assert(0 && "unexpected OS for Darwin triple"); + case Darwin: + // Default to darwin8, i.e., MacOSX 10.4. + if (Major == 0) + Major = 8; + // Darwin version numbers are skewed from OS X versions. + if (Major < 4) + return false; + Micro = 0; + Minor = Major - 4; + Major = 10; + break; + case MacOSX: + // Default to 10.4. + if (Major == 0) { + Major = 10; + Minor = 4; + } + if (Major != 10) + return false; + break; + case IOS: + // Ignore the version from the triple. This is only handled because the + // the clang driver combines OS X and IOS support into a common Darwin + // toolchain that wants to know the OS X version number even when targeting + // IOS. + Major = 10; + Minor = 4; + Micro = 0; + break; + } + return true; +} + void Triple::setTriple(const Twine &Str) { Data = Str.str(); Arch = InvalidArch; |