From a52a431b112fd00d6f9dd711f7ffb4cf6e10a3aa Mon Sep 17 00:00:00 2001
From: Michal 'vorner' Vaner <vorner@vorner.cz>
Date: Wed, 5 Apr 2017 16:54:33 +0200
Subject: [PATCH] Add support for powerpc

Define the architecture-dependent syscall numbers (taken from the
corresponding powerpc's header file). This allows compiling and using
the crate for powerpc targets (like the builtin
powerpc-unknown-linux-gnu).
---
 CHANGELOG.md       |  6 ++++--
 src/sys/syscall.rs | 10 ++++++++++
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 045756ddb3..e7be2de4c6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,8 +12,10 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 ### Changed
 - Marked `sys::mman::{ mmap, munmap, madvise, munlock, msync }` as unsafe.
   ([#559](https://github.com/nix-rust/nix/pull/559))
-  
-<!--### Fixed-->
+
+### Fixed
+- Fixed compilation on powerpc
+  ([#569](https://github.com/nix-rust/nix/pull/569))
 
 ## [0.8.0] 2017-03-02
 
diff --git a/src/sys/syscall.rs b/src/sys/syscall.rs
index c2d9e51c12..692b4cef95 100644
--- a/src/sys/syscall.rs
+++ b/src/sys/syscall.rs
@@ -54,6 +54,16 @@ mod arch {
     pub static MEMFD_CREATE: Syscall = 354;
 }
 
+#[cfg(target_arch = "powerpc")]
+mod arch {
+    use libc::c_long;
+
+    pub type Syscall = c_long;
+
+    pub static SYSPIVOTROOT: Syscall = 203;
+    pub static MEMFD_CREATE: Syscall = 360;
+}
+
 extern {
     pub fn syscall(num: Syscall, ...) -> c_int;
 }