From e9a084ed6d34dafbd4a8b40dbe7613056848ea21 Mon Sep 17 00:00:00 2001
From: Willem Olding <willemolding@gmail.com>
Date: Mon, 25 Mar 2024 20:14:20 +1100
Subject: Add linking libatomic command to build.rs to allow building for
 riscv64gc-unknown-linux-gnu target  (#875)

---
 librocksdb-sys/build.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/librocksdb-sys/build.rs b/librocksdb-sys/build.rs
index 12d6509..ca463f9 100644
--- a/librocksdb-sys/build.rs
+++ b/librocksdb-sys/build.rs
@@ -252,7 +252,10 @@ fn build_rocksdb() {
         config.flag("-Wno-strict-aliasing");
         config.flag("-Wno-invalid-offsetof");
     }
-
+    if target.contains("riscv64gc") {
+        // link libatomic required to build for riscv64gc
+        println!("cargo:rustc-link-lib=atomic");
+    }
     for file in lib_sources {
         config.file(format!("rocksdb/{file}"));
     }
-- 
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