commit de021e39e61cf7a3ae0f3c3c08aea5c344fc8720
author MikaelUrankar <mikael.urankar@gmail.com> Mon Jan 21 18:52:57 2019 +0100
committer MikaelUrankar <mikael.urankar@gmail.com> Thu Mar 21 16:53:31 2019 +0100
tree 849706ec1209c7bc2764297dac877b59e46e273f
parent 48e354d224ff38ccde3936479a7f514b6492e910

FreeBSD 10.x is EOL, in FreeBSD 11 and later, ss_sp is actually a void* [1]
dragonflybsd still uses c_char [2]

[1] https://svnweb.freebsd.org/base/releng/11.2/sys/sys/signal.h?revision=334459&view=markup#l438
[2] https://github.com/DragonFlyBSD/DragonFlyBSD/blob/master/sys/sys/signal.h#L339

src/libstd/sys/unix/stack_overflow.rs

diff --git a/src/libstd/sys/unix/stack_overflow.rs b/src/libstd/sys/unix/stack_overflow.rs
index 8c60bdd..561279e8 100644
--- a/src/libstd/sys/unix/stack_overflow.rs
+++ b/src/libstd/sys/unix/stack_overflow.rs
@@ -140,6 +140,7 @@
     #[cfg(any(target_os = "linux",
               target_os = "macos",
               target_os = "bitrig",
+              target_os = "freebsd",
               target_os = "netbsd",
               target_os = "openbsd",
               target_os = "solaris"))]
@@ -147,8 +148,7 @@
         libc::stack_t { ss_sp: get_stackp(), ss_flags: 0, ss_size: SIGSTKSZ }
     }
 
-    #[cfg(any(target_os = "freebsd",
-              target_os = "dragonfly"))]
+    #[cfg(target_os = "dragonfly")]
     unsafe fn get_stack() -> libc::stack_t {
         libc::stack_t { ss_sp: get_stackp() as *mut i8, ss_flags: 0, ss_size: SIGSTKSZ }
     }