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| author | Bob Wilson <bob.wilson@apple.com> | 2011-08-09 05:13:36 +0000 |
|---|---|---|
| committer | Bob Wilson <bob.wilson@apple.com> | 2011-08-09 05:13:36 +0000 |
| commit | f5b757642d8c51c559c17532d193a13d1f2e3cc0 (patch) | |
| tree | 28af955361172a61ef2ef1b122906302a6358606 /lib/Support/Unix/Host.inc | |
| parent | 70d0ca999c7a2ef07ea39d26d67b5df57e6e6496 (diff) | |
| download | llvm-f5b757642d8c51c559c17532d193a13d1f2e3cc0.tar.gz llvm-f5b757642d8c51c559c17532d193a13d1f2e3cc0.tar.bz2 llvm-f5b757642d8c51c559c17532d193a13d1f2e3cc0.tar.xz | |
Recognize the UNAME_RELEASE environment variable to match Darwin's uname.
When this variable is set, "uname -r" will return its value instead of the
real OS version. Make this affect LLVM's triple for consistency.
<rdar://problem/9919167>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137111 91177308-0d34-0410-b5e6-96231b3b80d8
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 ""; |