[compiler-rt] [compiler-rt] [Darwin] OS/feature detection should use the run-wrapper (PR #171167)

[Andrew Haberlandt via llvm-commits]

================
@@ -561,27 +563,32 @@ def get_ios_commands_dir():
 )
 
 if config.target_os == "Darwin":
-    osx_version = (10, 0, 0)
-    try:
-        osx_version = subprocess.check_output(
-            ["sw_vers", "-productVersion"], universal_newlines=True
-        )
-        osx_version = tuple(int(x) for x in osx_version.split("."))
-        if len(osx_version) == 2:
-            osx_version = (osx_version[0], osx_version[1], 0)
-        if osx_version >= (10, 11):
-            config.available_features.add("osx-autointerception")
-            config.available_features.add("osx-ld64-live_support")
-        if osx_version >= (13, 1):
-            config.available_features.add("jit-compatible-osx-swift-runtime")
-    except subprocess.CalledProcessError:
-        pass
+    if config.darwin_run_wrapper != "" and not config.apple_platform.endswith("sim"):
+        os_detection_prefix = [config.darwin_run_wrapper]
+    else:
+        # There is no simulator-specific sw_vers/sysctl, so we use the host OS version
+        os_detection_prefix = []
 
-    config.darwin_osx_version = osx_version
----------------
ndrewh wrote:

@wrotki It was previously defined here.

https://github.com/llvm/llvm-project/pull/171167