From 96a03d93b66970b20bf21bef6a3fa53510066eff Mon Sep 17 00:00:00 2001
From: Nathan Froyd <froydnj@gmail.com>
Date: Wed, 17 May 2017 10:03:54 -0400
Subject: [PATCH] fix windows cross-compilation

Similar to the Linux case, we were checking the host's pointer width,
rather than the target's pointer width.
---
 components/style/build_gecko.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/components/style/build_gecko.rs b/components/style/build_gecko.rs
index 37b8caaf8513..4a603f0ede2e 100644
--- a/components/style/build_gecko.rs
+++ b/components/style/build_gecko.rs
@@ -193,7 +193,8 @@ mod bindings {
                     // thus not enabled by default with a MSVC-compatibile build)
                     // to exclude hidden symbols from the generated file.
                     .clang_arg("-DHAVE_VISIBILITY_HIDDEN_ATTRIBUTE=1");
-                if cfg!(target_pointer_width = "32") {
+                let pointer_width = env::var("CARGO_CFG_TARGET_POINTER_WIDTH").unwrap();
+                if pointer_width == "32" {
                     builder = builder.clang_arg("--target=i686-pc-win32");
                 } else {
                     builder = builder.clang_arg("--target=x86_64-pc-win32");