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-rw-r--r--src/libextra/ebml.rs8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/libextra/ebml.rs b/src/libextra/ebml.rs
index 92a027100da..dd3ba639c05 100644
--- a/src/libextra/ebml.rs
+++ b/src/libextra/ebml.rs
@@ -82,8 +82,14 @@ pub mod reader {
     use core::cast::transmute;
     use core::int;
     use core::io;
-    use core::ptr::offset;
     use core::str;
+
+    #[cfg(target_arch = "x86")]
+    #[cfg(target_arch = "x86_64")]
+    use core::ptr::offset;
+
+    #[cfg(target_arch = "x86")]
+    #[cfg(target_arch = "x86_64")]
     use core::unstable::intrinsics::bswap32;
 
     // ebml reading