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-rw-r--r--src/libstd/sys/unix/os.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/libstd/sys/unix/os.rs b/src/libstd/sys/unix/os.rs
index 4c3558f91f5..33c526532c7 100644
--- a/src/libstd/sys/unix/os.rs
+++ b/src/libstd/sys/unix/os.rs
@@ -37,6 +37,7 @@ static ENV_LOCK: Mutex = Mutex::new();
 
 
 extern {
+    #[cfg(not(target_os = "dragonfly"))]
     #[cfg_attr(any(target_os = "linux", target_os = "emscripten"),
                link_name = "__errno_location")]
     #[cfg_attr(any(target_os = "bitrig",