cl91

From f5908efac9f55216d5aabdee72687b2b47f1c89c Mon Sep 17 00:00:00 2001
From: Chang Liu <[email protected]>
Date: Mon, 13 Apr 2015 09:36:31 +0000
Subject: [PATCH] Add support for linux-musl in build system. Fix glibc
 assumptions in code.

---
 autoconf/config.sub                                     | 7 +++++--
 lib/ExecutionEngine/RuntimeDyld/RTDyldMemoryManager.cpp | 2 +-
 lib/Support/DynamicLibrary.cpp                          | 4 ++--

cl91

libstd test failures:
    net::udp::tests::bind_error
    old_io::net::tcp::test::bind_error
    old_io::net::udp::test::bind_error
    old_io::process::tests::test_process_output_error
    process::tests::test_process_output_error

compiler run-pass failures:

failures:

cl91

       Fresh build_helper v0.1.0 (file:///home/chang/src/rust/src/etc/../../src/libstd)
       Fresh core v0.0.0 (file:///home/chang/src/rust/src/etc/../../src/libstd)
       Fresh rustc_bitflags v0.0.0 (file:///home/chang/src/rust/src/etc/../../src/libstd)
       Fresh libc v0.0.0 (file:///home/chang/src/rust/src/etc/../../src/libstd)
       Fresh rand v0.0.0 (file:///home/chang/src/rust/src/etc/../../src/libstd)
       Fresh rustc_unicode v0.0.0 (file:///home/chang/src/rust/src/etc/../../src/libstd)
       Fresh alloc v0.0.0 (file:///home/chang/src/rust/src/etc/../../src/libstd)
       Fresh collections v0.0.0 (file:///home/chang/src/rust/src/etc/../../src/libstd)
   Compiling std v0.0.0 (file:///home/chang/src/rust/src/etc/../../src/libstd)
     Running `rustc src/etc/../../src/libstd/lib.rs --crate-name std --crate-type dylib --crate-type rlib -g --test -C metadata=87a30ac034ff563b -C extra-filename=-87a30ac034ff563b --out-dir /home/chang/src/rust/src/etc/../../target/x86_64-unknown-linux-gnu/debug --emit