1 files changed, 10 insertions, 0 deletions
diff --git a/build/macosx/xcrun b/build/macosx/xcrun
new file mode 100755
index 0000000000..52edb12d7b
--- /dev/null
+++ b/build/macosx/xcrun
@@ -0,0 +1,10 @@
+#!/bin/sh
+
+case "$*" in
+"--show-sdk-path --sdk iphoneos"|"--show-sdk-path -sdk iphoneos"|"--show-sdk-path --sdk iphonesimulator"|"--show-sdk-path -sdk iphonesimulator")
+    ;;
+*)
+    echo We only expect this to be executed by third_party/rust/cc/src/lib.rs or rustc when targetting iOS >&2
+    exit 1
+esac
+echo $IPHONEOS_SDK_DIR