---

yaml
---
r: 61355
b: refs/heads/try
c: cc2897d
h: refs/heads/master
i:
  61353: 2b20fd5
  61351: 8d6ede7
v: v3

Author: brson

[refs]

@@ -2,7 +2,7 @@
 refs/heads/master: 2d28d645422c1617be58c8ca7ad9a457264ca850
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: 2d28d645422c1617be58c8ca7ad9a457264ca850
-refs/heads/try: f6401bad24d2fb1e1f959595c2f57cb4964e7082
+refs/heads/try: cc2897d559742c5f7630557975aa72c12a0eff01
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/ndm: f3868061cd7988080c30d6d5bf352a5a5fe2460b
 refs/heads/try2: 147ecfdd8221e4a4d4e090486829a06da1e0ca3c

branches/try/src/libcore/unstable/lang.rs

@@ -423,16 +423,14 @@ pub unsafe fn strdup_uniq(ptr: *c_uchar, len: uint) -> ~str {
 #[lang="start"]
 pub fn start(main: *u8, argc: int, argv: **c_char,
              crate_map: *u8) -> int {
-    use libc::getenv;
     use rt;
     use sys::Closure;
     use ptr;
     use cast;
+    use os;
 
     unsafe {
-        let use_old_rt = do str::as_c_str("RUST_NEWRT") |s| {
-            getenv(s).is_null()
-        };
+        let use_old_rt = os::getenv("RUST_NEWRT").is_none();
         if use_old_rt {
             return rust_start(main as *c_void, argc as c_int, argv,
                               crate_map as *c_void) as int;