add lgamma functions for FreeBSD

diff --git a/src/libcore/cmath.rs b/src/libcore/cmath.rs
index 014a6f6624ed21c19a716b8bbcf36901900e9641..e7761a9b3832aad40a59e26817e8523dacc53ae4 100644 (file)
--- a/src/libcore/cmath.rs
+++ b/src/libcore/cmath.rs
@@ -49,6 +49,7 @@
     pure fn ldexp(x: c_double, n: c_int) -> c_double;
     #[cfg(target_os = "linux")]
     #[cfg(target_os = "macos")]
+    #[cfg(target_os = "freebsd")]
     #[link_name="lgamma_r"] pure fn lgamma(n: c_double,
                                            &sign: c_int) -> c_double;
     #[cfg(target_os = "win32")]
@@ -130,6 +131,7 @@
 
     #[cfg(target_os="linux")]
     #[cfg(target_os="macos")]
+    #[cfg(target_os="freebsd")]
     #[link_name="lgammaf_r"] pure fn lgamma(n: c_float,
                                             &sign: c_int) -> c_float;