From 4f94de6754bf41eaf3d8299a2895bf8d4a94c587 Mon Sep 17 00:00:00 2001
From: Josh Matthews <josh@joshmatthews.net>
Date: Fri, 22 Jun 2018 14:47:49 -0400
Subject: [PATCH 1/2] Don't override host when checking supported flags.

---
 src/lib.rs | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/lib.rs b/src/lib.rs
index 0595c4a..0fc23e1 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -417,7 +417,6 @@ impl Build {
         cfg.flag(flag)
             .target(&target)
             .opt_level(0)
-            .host(&target)
             .debug(false)
             .cpp(self.cpp)
             .cuda(self.cuda);

From ca70fd32c10f8cea805700e944f3a8d1f97d96d4 Mon Sep 17 00:00:00 2001
From: Josh Matthews <josh@joshmatthews.net>
Date: Fri, 22 Jun 2018 16:15:58 -0400
Subject: [PATCH 2/2] Set explicit host when checking supported flags.

---
 src/lib.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/lib.rs b/src/lib.rs
index 0fc23e1..2e17c50 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -413,10 +413,12 @@ impl Build {
         let src = self.ensure_check_file()?;
         let obj = out_dir.join("flag_check");
         let target = self.get_target()?;
+        let host = self.get_host()?;
         let mut cfg = Build::new();
         cfg.flag(flag)
             .target(&target)
             .opt_level(0)
+            .host(&host)
             .debug(false)
             .cpp(self.cpp)
             .cuda(self.cuda);