make modifications for proper build.

Author: Andrew Salmon

src/unix/bsd/apple/mod.rs

@@ -1699,7 +1699,9 @@ extern {
                link_name = "waitid$UNIX2003")]
     pub fn waitid(idtype: idtype_t, id: id_t, infop: *mut ::siginfo_t,
                   options: ::c_int) -> ::c_int;
-
+    pub fn brk(addr: *const ::c_void) -> *mut ::c_void;
+    pub fn sbrk(increment: ::c_int) -> *mut ::c_void;
+    pub fn settimeofday(tv: *const timeval, tz: *const ::timezone) -> ::c_int;
 }
 
 cfg_if! {

src/unix/bsd/freebsdlike/mod.rs

@@ -1028,6 +1028,7 @@ extern {
                  nfds: ::nfds_t,
                  timeout: *const ::timespec,
                  sigmask: *const sigset_t) -> ::c_int;
+    pub fn settimeofday(tv: *const timeval, tz: *const ::timezone) -> ::c_int;
 }
 
 cfg_if! {

src/unix/bsd/netbsdlike/netbsd/mod.rs

@@ -719,6 +719,8 @@ extern {
     pub fn newlocale(mask: ::c_int,
                      locale: *const ::c_char,
                      base: ::locale_t) -> ::locale_t;
+    #[link_name = "__settimeofday50"]
+    pub fn settimeofday(tv: *const timeval, tz: *const ::c_void) -> ::c_int;
 }
 
 mod other;

src/unix/mod.rs

@@ -518,9 +518,6 @@ extern {
                    link_name = "kill$UNIX2003")]
     pub fn kill(pid: pid_t, sig: ::c_int) -> ::c_int;
 
-    pub fn brk(addr: *mut ::c_void) -> ::c_int;
-    pub fn sbrk(increment: ::intptr_t) -> *mut ::c_void;
-
     pub fn mlock(addr: *const ::c_void, len: ::size_t) -> ::c_int;
     pub fn munlock(addr: *const ::c_void, len: ::size_t) -> ::c_int;
     pub fn mlockall(flags: ::c_int) -> ::c_int;
@@ -587,8 +584,6 @@ extern {
     #[cfg_attr(target_os = "netbsd", link_name = "__gettimeofday50")]
     pub fn gettimeofday(tp: *mut ::timeval,
                         tz: *mut ::c_void) -> ::c_int;
-    #[cfg_attr(target_os = "netbsd", link_name = "__settimeofday50")]
-    pub fn settimeofday(tv: *const timeval, tz: *const ::timezone) -> ::c_int;
     #[cfg_attr(target_os = "netbsd", link_name = "__times13")]
     pub fn times(buf: *mut ::tms) -> ::clock_t;
 

src/unix/notbsd/linux/mips/mips64.rs

@@ -12,6 +12,7 @@ pub type rlim_t = ::c_ulong;
 pub type suseconds_t = i64;
 pub type time_t = i64;
 pub type wchar_t = i32;
+pub type clock_t = i64;
 
 s! {
     pub struct aiocb {

src/unix/notbsd/mod.rs

@@ -835,6 +835,8 @@ extern {
                            rqtp: *const ::timespec,
                            rmtp:  *mut ::timespec) -> ::c_int;
     pub fn clock_settime(clk_id: clockid_t, tp: *const ::timespec) -> ::c_int;
+    pub fn settimeofday(tv: *const timeval, tz: *const ::timezone) -> ::c_int;
+
     pub fn prctl(option: ::c_int, ...) -> ::c_int;
     pub fn pthread_getattr_np(native: ::pthread_t,
                               attr: *mut ::pthread_attr_t) -> ::c_int;
@@ -984,6 +986,8 @@ extern {
     pub fn clearenv() -> ::c_int;
     pub fn waitid(idtype: idtype_t, id: id_t, infop: *mut ::siginfo_t,
                   options: ::c_int) -> ::c_int;
+    pub fn brk(addr: *mut ::c_void) -> ::c_int;
+    pub fn sbrk(increment: ::intptr_t) -> *mut ::c_void;
 }
 
 cfg_if! {