From ae55cad0b0ad67533fb40378607144fc09c9f161 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mateusz=20Miku=C5=82a?= <mati865@users.noreply.github.com>
Date: Thu, 13 Aug 2020 22:44:56 +0200
Subject: [PATCH] Allow linking to system ntdll (#4)

* Allow linking to system ntdll

* Use imported `var`
---
 build.rs | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/build.rs b/build.rs
index ecc3726..bbd46f5 100644
--- a/build.rs
+++ b/build.rs
@@ -1,9 +1,15 @@
+use std::env::var;
+
 fn main() {
     #[cfg(feature = "user")] {
-        if std::env::var("TARGET").map(
+        if var("TARGET").map(
             |t| t == "x86_64-pc-windows-gnu" || t == "i686-pc-windows-gnu"
         ).unwrap_or(false) {
-            println!("cargo:rustc-link-lib=winapi_ntdll");
+            if var("WINAPI_NO_BUNDLED_LIBRARIES").is_ok() {
+                println!("cargo:rustc-link-lib=ntdll");
+            } else {
+                println!("cargo:rustc-link-lib=winapi_ntdll");
+            }
         }
     }
 }