diff options
Diffstat (limited to 'lib/Support/Unix/Host.inc')
| -rw-r--r-- | lib/Support/Unix/Host.inc | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/Support/Unix/Host.inc b/lib/Support/Unix/Host.inc index 5fd0e5e079..0f3e31a41b 100644 --- a/lib/Support/Unix/Host.inc +++ b/lib/Support/Unix/Host.inc @@ -22,12 +22,18 @@ #include <sys/utsname.h> #include <cctype> #include <string> +#include <cstdlib> // ::getenv using namespace llvm; static std::string getOSVersion() { struct utsname info; + // Recognize UNAME_RELEASE environment variable to match Darwin uname. + const char *UnameOverride = ::getenv("UNAME_RELEASE"); + if (UnameOverride && UnameOverride[0] != '\0') + return UnameOverride; + if (uname(&info)) return ""; |