Fix Metal toolchain resoultion

Signed-off-by: Adin Cebic <[email protected]>

Author: adincebic

xcodeproj/internal/templates/bazel_build.sh

@@ -103,6 +103,14 @@ if [[ -n "${TOOLCHAINS-}" ]]; then
   fi
 fi
 
+# Get Xcode major version
+xcode_major_version=$(xcodebuild -version | head -n 1 | sed 's/Xcode //' | cut -d. -f1)
+
+# We unset Metal toolchains since Xcode 26+ complains when that's passed as action_env
+if [[ "$xcode_major_version" -ge 26 && "${toolchain:-}" == *"com.apple.dt.toolchain.Metal"* ]]; then
+  unset toolchain
+fi
+
 # Build
 
 echo "Starting Bazel build"