From da2886565bb82b42d96e6bbc18468434ebcc7180 Mon Sep 17 00:00:00 2001
From: Sebastien Bourdeauducq <sb@m-labs.hk>
Date: Mon, 1 Nov 2021 00:28:27 +0800
Subject: [PATCH] runkernel: sort out cargo rigmarole with rustc link arg

---
 .cargo/config           | 2 ++
 runkernel/.cargo/config | 3 ---
 runkernel/build.rs      | 3 +++
 3 files changed, 5 insertions(+), 3 deletions(-)
 create mode 100644 .cargo/config
 delete mode 100644 runkernel/.cargo/config
 create mode 100644 runkernel/build.rs

diff --git a/.cargo/config b/.cargo/config
new file mode 100644
index 00000000..ac01e73c
--- /dev/null
+++ b/.cargo/config
@@ -0,0 +1,2 @@
+[unstable]
+extra-link-arg = true
diff --git a/runkernel/.cargo/config b/runkernel/.cargo/config
deleted file mode 100644
index a12e0fb8..00000000
--- a/runkernel/.cargo/config
+++ /dev/null
@@ -1,3 +0,0 @@
-[build]
-rustflags = ["-C", "link-args=-rdynamic"]
-
diff --git a/runkernel/build.rs b/runkernel/build.rs
new file mode 100644
index 00000000..538285b1
--- /dev/null
+++ b/runkernel/build.rs
@@ -0,0 +1,3 @@
+fn main() {
+    println!("cargo:rustc-link-arg=-rdynamic");
+}