From a7e14eb02dcb56098a9e2073a0523009c1f3ae5e Mon Sep 17 00:00:00 2001
From: John Colanduoni <john@colanduoni.com>
Date: Tue, 11 Jul 2017 19:44:57 -0700
Subject: [PATCH] Enable cargo doc/check on non-Darwin platforms

---
 core-foundation-sys/build.rs | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/core-foundation-sys/build.rs b/core-foundation-sys/build.rs
index a1a0ea1..cdf6202 100644
--- a/core-foundation-sys/build.rs
+++ b/core-foundation-sys/build.rs
@@ -7,6 +7,12 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+use std::env;
+
 fn main() {
-    println!("cargo:rustc-link-lib=framework=CoreFoundation");
+    let target = env::var("TARGET").unwrap();
+
+    if target.ends_with("apple-darwin") || target.ends_with("apple-ios") {
+        println!("cargo:rustc-link-lib=framework=CoreFoundation");
+    }
 }