From 310093b38a54d4f6e93cfe2f44562d38cacecbb9 Mon Sep 17 00:00:00 2001
From: Luke Street <luke.street@encounterpc.com>
Date: Wed, 1 Sep 2021 19:06:37 -0400
Subject: [PATCH] Manually set bindgen sysroot for Android build

---
 build.rs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/build.rs b/build.rs
index 120237b..a3f9925 100644
--- a/build.rs
+++ b/build.rs
@@ -24,6 +24,15 @@ fn main() {
     {
         bindings = bindings.layout_tests(false);
     }
+    if matches!(env::var("CARGO_CFG_TARGET_OS"), Result::Ok(v) if v == "android") {
+        if let Result::Ok(cc) = env::var("TARGET_CXX") {
+            let mut sysroot = PathBuf::from(cc).with_file_name("../sysroot");
+            sysroot = sysroot.canonicalize().unwrap_or_else(|err| {
+                panic!("Failed to locate {}: {}", sysroot.to_string_lossy(), err)
+            });
+            bindings = bindings.clang_arg(format!("--sysroot={}", sysroot.to_string_lossy()));
+        }
+    }
     let result = bindings.generate().expect("Unable to generate bindings");
     let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
     result.write_to_file(out_path.join("bindings.rs")).expect("Couldn't write bindings!");