From 5a35cb726271e78d72f5f9b5ee2163822bd30767 Mon Sep 17 00:00:00 2001
From: unrealhoang <unrealhoang@gmail.com>
Date: Wed, 29 Jul 2020 16:02:31 +0900
Subject: [PATCH] Add link stdlib when linking prebuilt rocksdb (#443)

---
 librocksdb-sys/build.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/librocksdb-sys/build.rs b/librocksdb-sys/build.rs
index 0a0fb54..4064748 100644
--- a/librocksdb-sys/build.rs
+++ b/librocksdb-sys/build.rs
@@ -333,6 +333,14 @@ fn main() {
         println!("cargo:rerun-if-changed=rocksdb/");
         fail_on_empty_directory("rocksdb");
         build_rocksdb();
+    } else {
+        let target = env::var("TARGET").unwrap();
+        // according to https://github.com/alexcrichton/cc-rs/blob/master/src/lib.rs#L2189
+        if target.contains("apple") || target.contains("freebsd") || target.contains("openbsd") {
+            println!("cargo:rustc-link-lib=dylib=c++");
+        } else if target.contains("linux") {
+            println!("cargo:rustc-link-lib=dylib=stdc++");
+        }
     }
     if cfg!(feature = "snappy") && !try_to_find_and_link_lib("SNAPPY") {
         println!("cargo:rerun-if-changed=snappy/");