From b81a3377df6589217333fbc999efed6d271eb7f0 Mon Sep 17 00:00:00 2001
From: Conrad Kramer <conrad@conradkramer.com>
Date: Thu, 19 Mar 2026 00:33:34 -0700
Subject: [PATCH] Resolve absolute sccache wrapper path on Apple

---
 Apple/NetworkExtension/libburrow/build-rust.sh | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Apple/NetworkExtension/libburrow/build-rust.sh b/Apple/NetworkExtension/libburrow/build-rust.sh
index 031e6bc..bae4727 100755
--- a/Apple/NetworkExtension/libburrow/build-rust.sh
+++ b/Apple/NetworkExtension/libburrow/build-rust.sh
@@ -71,6 +71,14 @@ fi
 PROTOC=$(readlink -f $(which protoc))
 CARGO_PATH="$(dirname $PROTOC):$CARGO_PATH"
 
+if [[ -n "${RUSTC_WRAPPER:-}" && "${RUSTC_WRAPPER}" != /* ]]; then
+    WRAPPER_PATH="$(command -v "${RUSTC_WRAPPER}" || true)"
+    if [[ -n "${WRAPPER_PATH}" ]]; then
+        RUSTC_WRAPPER="${WRAPPER_PATH}"
+        CARGO_PATH="$(dirname "${WRAPPER_PATH}"):$CARGO_PATH"
+    fi
+fi
+
 # Run cargo without the various environment variables set by Xcode.
 # Those variables can confuse cargo and the build scripts it runs.
 EXTRA_ENV=()