std: Remove cfg(cargobuild) annotations

These are all now no longer needed that we've only got rustbuild in tree.

src/libstd/build.rs

@@ -21,7 +21,6 @@ use std::process::Command;
 use build_helper::{run, rerun_if_changed_anything_in_dir, up_to_date};
 
 fn main() {
-    println!("cargo:rustc-cfg=cargobuild");
     println!("cargo:rerun-if-changed=build.rs");
 
     let target = env::var("TARGET").expect("TARGET was not set");

src/libstd/lib.rs

@@ -463,9 +463,6 @@ mod panicking;
 mod rand;
 mod memchr;
 
-// This module just defines per-platform native library dependencies
-mod rtdeps;
-
 // The runtime entry point and a few unstable public functions used by the
 // compiler
 pub mod rt;

src/libstd/panicking.rs

@@ -311,12 +311,12 @@ impl<'a> Location<'a> {
 }
 
 fn default_hook(info: &PanicInfo) {
-    #[cfg(any(not(cargobuild), feature = "backtrace"))]
+    #[cfg(feature = "backtrace")]
     use sys_common::backtrace;
 
     // If this is a double panic, make sure that we print a backtrace
     // for this panic. Otherwise only print it if logging is enabled.
-    #[cfg(any(not(cargobuild), feature = "backtrace"))]
+    #[cfg(feature = "backtrace")]
     let log_backtrace = {
         let panics = update_panic_count(0);
 
@@ -341,7 +341,7 @@ fn default_hook(info: &PanicInfo) {
         let _ = writeln!(err, "thread '{}' panicked at '{}', {}:{}",
                          name, msg, file, line);
 
-        #[cfg(any(not(cargobuild), feature = "backtrace"))]
+        #[cfg(feature = "backtrace")]
         {
             use sync::atomic::{AtomicBool, Ordering};
 

src/libstd/rtdeps.rs

@@ -1,68 +0,0 @@
-// Copyright 2013-2015 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-//! This module contains the linkage attributes to all runtime dependencies of
-//! the standard library This varies per-platform, but these libraries are
-//! necessary for running libstd.
-
-#![cfg(not(cargobuild))]
-
-// LLVM implements the `frem` instruction as a call to `fmod`, which lives in
-// libm. Hence, we must explicitly link to it.
-//
-// On Linux, librt and libdl are indirect dependencies via std,
-// and binutils 2.22+ won't add them automatically
-#[cfg(all(target_os = "linux", not(target_env = "musl")))]
-#[link(name = "dl")]
-#[link(name = "pthread")]
-extern {}
-
-#[cfg(target_os = "android")]
-#[link(name = "dl")]
-#[link(name = "log")]
-extern {}
-
-#[cfg(target_os = "freebsd")]
-#[link(name = "execinfo")]
-#[link(name = "pthread")]
-extern {}
-
-#[cfg(any(target_os = "dragonfly",
-          target_os = "bitrig",
-          target_os = "netbsd",
-          target_os = "openbsd"))]
-#[link(name = "pthread")]
-extern {}
-
-#[cfg(target_os = "solaris")]
-#[link(name = "socket")]
-#[link(name = "posix4")]
-#[link(name = "pthread")]
-extern {}
-
-// For PNaCl targets, nacl_io is a Pepper wrapper for some IO functions
-// missing (ie always error) in Newlib.
-#[cfg(all(target_os = "nacl", not(test)))]
-#[link(name = "nacl_io", kind = "static")]
-#[link(name = "c++", kind = "static")] // for `nacl_io` and EH.
-#[link(name = "pthread", kind = "static")]
-extern {}
-
-#[cfg(target_os = "macos")]
-#[link(name = "System")]
-extern {}
-
-#[cfg(target_os = "ios")]
-#[link(name = "System")]
-extern {}
-
-#[cfg(target_os = "haiku")]
-#[link(name = "network")]
-extern {}

src/libstd/sys/unix/args.rs

@@ -189,11 +189,6 @@ mod imp {
             fn objc_msgSend_ul(obj: NsId, sel: Sel, ...) -> NsId;
         }
 
-        #[link(name = "Foundation", kind = "framework")]
-        #[link(name = "objc")]
-        #[cfg(not(cargobuild))]
-        extern {}
-
         type Sel = *const libc::c_void;
         type NsId = *const libc::c_void;
 

src/libstd/sys/unix/mod.rs

@@ -33,7 +33,7 @@ pub mod weak;
 
 pub mod args;
 pub mod android;
-#[cfg(any(not(cargobuild), feature = "backtrace"))]
+#[cfg(feature = "backtrace")]
 pub mod backtrace;
 pub mod condvar;
 pub mod env;

src/libstd/sys/unix/rand.rs

@@ -257,10 +257,6 @@ mod imp {
     #[allow(non_upper_case_globals)]
     const kSecRandomDefault: *const SecRandom = ptr::null();
 
-    #[link(name = "Security", kind = "framework")]
-    #[cfg(not(cargobuild))]
-    extern {}
-
     extern {
         fn SecRandomCopyBytes(rnd: *const SecRandom,
                               count: size_t, bytes: *mut u8) -> c_int;

src/libstd/sys/windows/c.rs

@@ -833,13 +833,6 @@ pub struct CONSOLE_READCONSOLE_CONTROL {
 }
 pub type PCONSOLE_READCONSOLE_CONTROL = *mut CONSOLE_READCONSOLE_CONTROL;
 
-#[link(name = "ws2_32")]
-#[link(name = "userenv")]
-#[link(name = "shell32")]
-#[link(name = "advapi32")]
-#[cfg(not(cargobuild))]
-extern {}
-
 extern "system" {
     pub fn WSAStartup(wVersionRequested: WORD,
                       lpWSAData: LPWSADATA) -> c_int;

src/libstd/sys_common/gnu/libbacktrace.rs

@@ -39,9 +39,6 @@ pub fn print(w: &mut Write, idx: isize, addr: *mut libc::c_void,
                       msg: *const libc::c_char,
                       errnum: libc::c_int);
     enum backtrace_state {}
-    #[link(name = "backtrace", kind = "static")]
-    #[cfg(all(not(test), not(cargobuild)))]
-    extern {}
 
     extern {
         fn backtrace_create_state(filename: *const libc::c_char,

src/libstd/sys_common/mod.rs

@@ -29,7 +29,7 @@ use sync::Once;
 use sys;
 
 pub mod at_exit_imp;
-#[cfg(any(not(cargobuild), feature = "backtrace"))]
+#[cfg(feature = "backtrace")]
 pub mod backtrace;
 pub mod condvar;
 pub mod io;
@@ -50,7 +50,7 @@ pub use sys::net;
 #[cfg(not(target_os = "redox"))]
 pub mod net;
 
-#[cfg(any(not(cargobuild), feature = "backtrace"))]
+#[cfg(feature = "backtrace")]
 #[cfg(any(all(unix, not(any(target_os = "macos", target_os = "ios", target_os = "emscripten"))),
           all(windows, target_env = "gnu")))]
 pub mod gnu;