diff options
Diffstat (limited to 'lib/Support/Unix/Host.inc')
| -rw-r--r-- | lib/Support/Unix/Host.inc | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/Support/Unix/Host.inc b/lib/Support/Unix/Host.inc index 744fb9e699..c5de97f73c 100644 --- a/lib/Support/Unix/Host.inc +++ b/lib/Support/Unix/Host.inc @@ -30,7 +30,9 @@ static std::string getOSVersion() { struct utsname info; #ifdef __APPLE__ - // Recognize UNAME_RELEASE environment variable to match Darwin uname. + // Recognize UNAME_RELEASE environment variable to match Darwin's uname, + // where the value of this variable sets the OS release version + // reported by "uname -r". const char *UnameOverride = ::getenv("UNAME_RELEASE"); if (UnameOverride && UnameOverride[0] != '\0') return UnameOverride; |