From 0e84c3246844d94efcbab0f94915654c3828072a Mon Sep 17 00:00:00 2001
From: Sascha Hanse <shanse@posteo.de>
Date: Wed, 25 Mar 2020 15:28:03 +0100
Subject: [PATCH] Check if we're on a big endian system and act upon it (#396)

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

diff --git a/librocksdb-sys/build.rs b/librocksdb-sys/build.rs
index 33127aa..d1f8e56 100644
--- a/librocksdb-sys/build.rs
+++ b/librocksdb-sys/build.rs
@@ -174,6 +174,7 @@ fn build_rocksdb() {
 
 fn build_snappy() {
     let target = env::var("TARGET").unwrap();
+    let endianness = env::var("CARGO_CFG_TARGET_ENDIAN").unwrap();
 
     let mut config = cc::Build::new();
     config.include("snappy/");
@@ -187,6 +188,10 @@ fn build_snappy() {
         config.flag("-std=c++11");
     }
 
+    if endianness == "big" {
+        config.define("WORDS_BIGENDIAN", Some("1"));
+    }
+
     config.file("snappy/snappy.cc");
     config.file("snappy/snappy-sinksource.cc");
     config.file("snappy/snappy-c.cc");