From c53740851ca50bb1fadec48f7df88abe3f9a350b Mon Sep 17 00:00:00 2001
From: ltrk2 <107155950+ltrk2@users.noreply.github.com>
Date: Fri, 6 Dec 2024 19:21:36 -0500
Subject: [PATCH] Add documentation

---
 README.md | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 3922aa8a..8d6d932b 100644
--- a/README.md
+++ b/README.md
@@ -42,15 +42,17 @@ The agent can be built with the provided make targets. Docker is required for co
      ```sh
      make docker-image
      ```
-  2. Build the agent for your current machine's architecture:
+  2. Build the agent for your current machine's architecture with your current environment serving as sysroot:
      ```sh
      make agent
      ```
      Or `make debug-agent` for debug build.
-  3. To cross-complie for a different architecture (e.g. arm64):
+  3. To cross-compile for a different architecture (e.g. arm64):
      ```sh
-     make agent TARGET_ARCH=arm64
+     SYSROOT_PATH=/path/to/your/desired/sysroot TARGET_ARCH=arm64 make agent
      ```
+     Where `SYSROOT_PATH` is directed at a valid sysroot for the specified `TARGET_ARCH` as defined [here](https://clang.llvm.org/docs/CrossCompilation.html).
+
 The resulting binary will be named <ebpf-profiler> in the current directory.
 
 ## Other OSes