From a7f47450c3937a73cfbe96dfae62768fcc852aed Mon Sep 17 00:00:00 2001
From: Jakub Jirutka <jakub@jirutka.cz>
Date: Sun, 7 Aug 2016 02:22:00 +0200
Subject: [PATCH] Disable is_on_nfs_mount() check on musl libc (fixes #2937)

musl libc doesn't provide constant NFS_SUPER_MAGICK that is used in
the is_on_nfs_mount function.
---
 src/cargo/util/flock.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/cargo/util/flock.rs b/src/cargo/util/flock.rs
index cccdd4aad..3e4530b56 100644
--- a/src/cargo/util/flock.rs
+++ b/src/cargo/util/flock.rs
@@ -291,7 +291,7 @@ fn acquire(config: &Config,
         human(format!("failed to lock file: {}", path.display()))
     });
 
-    #[cfg(target_os = "linux")]
+    #[cfg(all(target_os = "linux", not(target_env = "musl")))]
     fn is_on_nfs_mount(path: &Path) -> bool {
         use std::ffi::CString;
         use std::mem;
@@ -310,7 +310,7 @@ fn acquire(config: &Config,
         }
     }
 
-    #[cfg(not(target_os = "linux"))]
+    #[cfg(any(not(target_os = "linux"), target_env = "musl"))]
     fn is_on_nfs_mount(_path: &Path) -> bool {
         false
     }
-- 
2.30.2