diff --git a/src/liblibc/lib.rs b/src/liblibc/lib.rs
index 8825099e36c35..671e552e08cf5 100644
--- a/src/liblibc/lib.rs
+++ b/src/liblibc/lib.rs
@@ -1095,6 +1095,7 @@ pub mod types {
                 pub type sighandler_t = size_t;
             }
             pub mod bsd44 {
+                use types::common::c95::{c_void};
                 use types::os::arch::c95::{c_char, c_int, c_uint};
 
                 pub type socklen_t = u32;
@@ -1167,6 +1168,17 @@ pub mod types {
                     pub sun_family: sa_family_t,
                     pub sun_path: [c_char, ..104]
                 }
+                #[repr(C)]
+                #[deriving(Copy)] pub struct ifaddrs {
+                    pub ifa_next: *mut ifaddrs,
+                    pub ifa_name: *mut c_char,
+                    pub ifa_flags: c_uint,
+                    pub ifa_addr: *mut sockaddr,
+                    pub ifa_netmask: *mut sockaddr,
+                    pub ifa_dstaddr: *mut sockaddr,
+                    pub ifa_data: *mut c_void
+                }
+
             }
         }
 
diff --git a/src/librustc_back/rpath.rs b/src/librustc_back/rpath.rs
index 1f8549098d949..10ba023c6193d 100644
--- a/src/librustc_back/rpath.rs
+++ b/src/librustc_back/rpath.rs
@@ -215,22 +215,7 @@ mod test {
     }
 
     #[test]
-    #[cfg(target_os = "freebsd")]
-    fn test_rpath_relative() {
-        let config = &mut RPathConfig {
-            used_crates: Vec::new(),
-            has_rpath: true,
-            is_like_osx: false,
-            out_filename: Path::new("bin/rustc"),
-            get_install_prefix_lib_path: || panic!(),
-            realpath: |p| Ok(p.clone())
-        };
-        let res = get_rpath_relative_to_output(config, &Path::new("lib/libstd.so"));
-        assert_eq!(res, "$ORIGIN/../lib");
-    }
-
-    #[test]
-    #[cfg(target_os = "dragonfly")]
+    #[cfg(any(target_os = "freebsd", target_os = "dragonfly"))]
     fn test_rpath_relative() {
         let config = &mut RPathConfig {
             used_crates: Vec::new(),
diff --git a/src/librustc_back/target/x86_64_unknown_dragonfly.rs b/src/librustc_back/target/x86_64_unknown_dragonfly.rs
index 79f09a3b00bdb..75dbff9428b3e 100644
--- a/src/librustc_back/target/x86_64_unknown_dragonfly.rs
+++ b/src/librustc_back/target/x86_64_unknown_dragonfly.rs
@@ -11,13 +11,18 @@
 use target::Target;
 
 pub fn target() -> Target {
+    let mut base = super::dragonfly_base::opts();
+    base.pre_link_args.push("-m64".to_string());
+
     Target {
-        data_layout: "e-p:32:32-f64:32:64-i64:32:64-f80:32:32-n8:16:32".to_string(),
+        data_layout: "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-\
+                     f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-\
+                     s0:64:64-f80:128:128-n8:16:32:64-S128".to_string(),
         llvm_target: "x86_64-unknown-dragonfly".to_string(),
         target_endian: "little".to_string(),
-        target_word_size: "32".to_string(),
+        target_word_size: "64".to_string(),
         arch: "x86_64".to_string(),
         target_os: "dragonfly".to_string(),
-        options: super::dragonfly_base::opts()
+        options: base,
     }
 }
diff --git a/src/libstd/os.rs b/src/libstd/os.rs
index a3ecfb49acee0..8ae237850da09 100644
--- a/src/libstd/os.rs
+++ b/src/libstd/os.rs
@@ -665,7 +665,7 @@ pub fn dll_filename(base: &str) -> String {
 /// ```
 pub fn self_exe_name() -> Option<Path> {
 
-    #[cfg(any(target_os = "freebsd", target_os = "dragonfly"))]
+    #[cfg(target_os = "freebsd")]
     fn load_self() -> Option<Vec<u8>> {
         unsafe {
             use libc::funcs::bsd44::*;
@@ -691,6 +691,16 @@ pub fn self_exe_name() -> Option<Path> {
         }
     }
 
+    #[cfg(target_os = "dragonfly")]
+    fn load_self() -> Option<Vec<u8>> {
+        use std::io;
+
+        match io::fs::readlink(&Path::new("/proc/curproc/file")) {
+            Ok(path) => Some(path.into_vec()),
+            Err(..) => None
+        }
+    }
+
     #[cfg(any(target_os = "linux", target_os = "android"))]
     fn load_self() -> Option<Vec<u8>> {
         use std::io;