From 28fa81a954a5722eedc838f413eb7b8ed04a8e95 Mon Sep 17 00:00:00 2001
From: Alex Crichton <alex@alexcrichton.com>
Date: Tue, 4 Feb 2014 08:37:07 -0800
Subject: Invoke gcc with -nodefaultlibs

This will hopefully bring us closer to #11937. We're still using gcc's idea of
"startup files", but this should prevent us from leaking in dependencies that we
don't quite want (libgcc for example once compiler-rt is what we use).
---
 src/libstd/rt/unwind.rs | 10 ++++++++++
 src/libstd/rtdeps.rs    |  4 +++-
 2 files changed, 13 insertions(+), 1 deletion(-)

(limited to 'src/libstd')

diff --git a/src/libstd/rt/unwind.rs b/src/libstd/rt/unwind.rs
index 9f89becaef9..5718a27bfef 100644
--- a/src/libstd/rt/unwind.rs
+++ b/src/libstd/rt/unwind.rs
@@ -143,6 +143,16 @@ mod libunwind {
     pub type _Unwind_Exception_Cleanup_Fn = extern "C" fn(unwind_code: _Unwind_Reason_Code,
                                                           exception: *_Unwind_Exception);
 
+    #[cfg(target_os = "linux")]
+    #[cfg(target_os = "freebsd")]
+    #[cfg(target_os = "win32")]
+    #[link(name = "gcc_s")]
+    extern {}
+
+    #[cfg(target_os = "android")]
+    #[link(name = "gcc")]
+    extern {}
+
     extern "C" {
         pub fn _Unwind_RaiseException(exception: *_Unwind_Exception) -> _Unwind_Reason_Code;
         pub fn _Unwind_DeleteException(exception: *_Unwind_Exception);
diff --git a/src/libstd/rtdeps.rs b/src/libstd/rtdeps.rs
index 045cdf574f6..f9f2f1ec852 100644
--- a/src/libstd/rtdeps.rs
+++ b/src/libstd/rtdeps.rs
@@ -22,6 +22,7 @@ extern {}
 // On linux librt and libdl are indirect dependencies via rustrt,
 // and binutils 2.22+ won't add them automatically
 #[cfg(target_os = "linux")]
+#[link(name = "c")]
 #[link(name = "dl")]
 #[link(name = "m")]
 #[link(name = "pthread")]
@@ -31,6 +32,7 @@ extern {}
 #[link(name = "dl")]
 #[link(name = "log")]
 #[link(name = "m")]
+#[link(name = "c")]
 extern {}
 
 #[cfg(target_os = "freebsd")]
@@ -39,5 +41,5 @@ extern {}
 extern {}
 
 #[cfg(target_os = "macos")]
-#[link(name = "pthread")]
+#[link(name = "System")]
 extern {}
-- 
cgit 1.4.1-3-g733a5