From 698ebb6b35236b054e81ff86e0d9045448444a6b Mon Sep 17 00:00:00 2001
From: David CARLIER <devnexen@gmail.com>
Date: Sun, 13 Aug 2023 11:14:30 +0100
Subject: [PATCH] libafl_bolts: fix musl build (#1421)

despite being present in the headers, getcontext is not implemented in
musl libc, most likely due to the fact it s a deprecated interface.
The only way around is having the third party libucontext apk package
installed.
---
 libafl_bolts/build.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libafl_bolts/build.rs b/libafl_bolts/build.rs
index c4fe7f650f..0ed1270dc4 100644
--- a/libafl_bolts/build.rs
+++ b/libafl_bolts/build.rs
@@ -2,9 +2,13 @@
 fn main() {
     println!("cargo:rerun-if-changed=build.rs");
     println!("cargo:rustc-cfg=nightly");
+    #[cfg(target_env = "musl")]
+    println!("cargo:rustc-link-lib=ucontext");
 }
 
 #[rustversion::not(nightly)]
 fn main() {
     println!("cargo:rerun-if-changed=build.rs");
+    #[cfg(target_env = "musl")]
+    println!("cargo:rustc-link-lib=ucontext");
 }