From 81d0c8ae7fcffb9423cec70947833d3001127c38 Mon Sep 17 00:00:00 2001
From: Jon Cinque <jon.cinque@gmail.com>
Date: Tue, 20 Oct 2020 23:50:34 +0200
Subject: [PATCH] Force unset CARGO to use correct version of cargo (#13027)

---
 sdk/bpf/rust/build.sh | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sdk/bpf/rust/build.sh b/sdk/bpf/rust/build.sh
index db8fbdf199d897..baff4ae7d0a5b8 100755
--- a/sdk/bpf/rust/build.sh
+++ b/sdk/bpf/rust/build.sh
@@ -34,6 +34,10 @@ export RUSTFLAGS="
     -C link-arg=-no-threads \
     -C linker=$bpf_sdk/dependencies/llvm-native/bin/ld.lld"
 
+# CARGO may be set if build.sh is run from within cargo, causing
+# incompatibilities between cargo and xargo versions
+unset CARGO
+
 # Setup xargo
 export XARGO_HOME="$bpf_sdk/dependencies/xargo"
 export XARGO_RUST_SRC="$bpf_sdk/dependencies/rust-bpf-sysroot/src"