diff options
Diffstat (limited to 'lib/Support/Triple.cpp')
-rw-r--r-- | lib/Support/Triple.cpp | 39 |
1 files changed, 39 insertions, 0 deletions
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; |