From eab5661a0eff32e5f85fdf903acfdacf259ddbe1 Mon Sep 17 00:00:00 2001
From: Tamir Duberstein <tamird@gmail.com>
Date: Mon, 14 Apr 2025 15:05:02 -0400
Subject: [PATCH] aya-build: enable BTF

---
 Cargo.toml           |  4 ----
 aya-build/src/lib.rs | 13 +++++++++++++
 2 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index da46f9a8..04b1ac67 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -114,7 +114,3 @@ unused_trait_names = "warn"
 
 [workspace.lints.rust]
 unused-extern-crates = "warn"
-
-[profile.release.package.integration-ebpf]
-codegen-units = 1
-debug = 2
diff --git a/aya-build/src/lib.rs b/aya-build/src/lib.rs
index 04b94dcd..761ad34a 100644
--- a/aya-build/src/lib.rs
+++ b/aya-build/src/lib.rs
@@ -75,6 +75,19 @@ pub fn build_ebpf(packages: impl IntoIterator<Item = Package>, toolchain: Toolch
         ]);
 
         cmd.env("CARGO_CFG_BPF_TARGET_ARCH", &arch);
+        cmd.env(
+            "CARGO_ENCODED_RUSTFLAGS",
+            ["debuginfo=2", "link-arg=--btf"]
+                .into_iter()
+                .flat_map(|flag| ["-C", flag])
+                .fold(String::new(), |mut acc, flag| {
+                    if !acc.is_empty() {
+                        acc.push('\x1f');
+                    }
+                    acc.push_str(flag);
+                    acc
+                }),
+        );
 
         // Workaround to make sure that the correct toolchain is used.
         for key in ["RUSTC", "RUSTC_WORKSPACE_WRAPPER"] {