From 7dd62155d85e9556c2b2b70c03acce9910896696 Mon Sep 17 00:00:00 2001
From: Alex Crichton <alex@alexcrichton.com>
Date: Tue, 21 Apr 2015 20:01:34 -0700
Subject: std: Don't assume dlopen() works on yourself

Statically linked executables do not succeed (aka MUSL-based executables).
---
 src/libstd/sys/unix/thread.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'src/libstd/sys')

diff --git a/src/libstd/sys/unix/thread.rs b/src/libstd/sys/unix/thread.rs
index 281ac37e671..cfab9d1c51a 100644
--- a/src/libstd/sys/unix/thread.rs
+++ b/src/libstd/sys/unix/thread.rs
@@ -342,7 +342,10 @@ fn min_stack_size(attr: *const libc::pthread_attr_t) -> usize {
     static mut __pthread_get_minstack: Option<F> = None;
 
     INIT.call_once(|| {
-        let lib = DynamicLibrary::open(None).unwrap();
+        let lib = match DynamicLibrary::open(None) {
+            Ok(l) => l,
+            Err(..) => return,
+        };
         unsafe {
             if let Ok(f) = lib.symbol("__pthread_get_minstack") {
                 __pthread_get_minstack = Some(mem::transmute::<*const (), F>(f));
-- 
cgit 1.4.1-3-g733a5