diff --git a/src/libunwind/build.rs b/src/libunwind/build.rs
index 20280aa3c4130..e92c68f5b0c57 100644
--- a/src/libunwind/build.rs
+++ b/src/libunwind/build.rs
@@ -4,11 +4,13 @@ fn main() {
     println!("cargo:rerun-if-changed=build.rs");
     let target = env::var("TARGET").expect("TARGET was not set");
 
-    if cfg!(feature = "llvm-libunwind") &&
+    // FIXME: the not(bootstrap) part is needed because of the issue addressed by #62286,
+    // and could be removed once that change is in beta.
+    if cfg!(all(not(bootstrap), feature = "llvm-libunwind")) &&
         (target.contains("linux") ||
          target.contains("fuchsia")) {
         // Build the unwinding from libunwind C/C++ source code.
-        #[cfg(feature = "llvm-libunwind")]
+        #[cfg(all(not(bootstrap), feature = "llvm-libunwind"))]
         llvm_libunwind::compile();
     } else if target.contains("linux") {
         if target.contains("musl") {
@@ -42,7 +44,7 @@ fn main() {
     }
 }
 
-#[cfg(feature = "llvm-libunwind")]
+#[cfg(all(not(bootstrap), feature = "llvm-libunwind"))]
 mod llvm_libunwind {
     use std::env;
     use std::path::Path;
diff --git a/src/libunwind/libunwind.rs b/src/libunwind/libunwind.rs
index 5794e0b7683cb..7e640897af705 100644
--- a/src/libunwind/libunwind.rs
+++ b/src/libunwind/libunwind.rs
@@ -67,6 +67,8 @@ pub enum _Unwind_Context {}
 
 pub type _Unwind_Exception_Cleanup_Fn = extern "C" fn(unwind_code: _Unwind_Reason_Code,
                                                       exception: *mut _Unwind_Exception);
+#[cfg_attr(all(not(bootstrap), feature = "llvm-libunwind"),
+           link(name = "unwind", kind = "static"))]
 extern "C" {
     #[unwind(allowed)]
     pub fn _Unwind_Resume(exception: *mut _Unwind_Exception) -> !;
@@ -91,6 +93,8 @@ if #[cfg(all(any(target_os = "ios", target_os = "netbsd", not(target_arch = "arm
     }
     pub use _Unwind_Action::*;
 
+    #[cfg_attr(all(not(bootstrap), feature = "llvm-libunwind"),
+               link(name = "unwind", kind = "static"))]
     extern "C" {
         pub fn _Unwind_GetGR(ctx: *mut _Unwind_Context, reg_index: c_int) -> _Unwind_Word;
         pub fn _Unwind_SetGR(ctx: *mut _Unwind_Context, reg_index: c_int, value: _Unwind_Word);
@@ -144,6 +148,8 @@ if #[cfg(all(any(target_os = "ios", target_os = "netbsd", not(target_arch = "arm
     pub const UNWIND_POINTER_REG: c_int = 12;
     pub const UNWIND_IP_REG: c_int = 15;
 
+    #[cfg_attr(all(not(bootstrap), feature = "llvm-libunwind"),
+               link(name = "unwind", kind = "static"))]
     extern "C" {
         fn _Unwind_VRS_Get(ctx: *mut _Unwind_Context,
                            regclass: _Unwind_VRS_RegClass,
@@ -206,6 +212,8 @@ if #[cfg(all(any(target_os = "ios", target_os = "netbsd", not(target_arch = "arm
 cfg_if::cfg_if! {
 if #[cfg(not(all(target_os = "ios", target_arch = "arm")))] {
     // Not 32-bit iOS
+    #[cfg_attr(all(not(bootstrap), feature = "llvm-libunwind"),
+               link(name = "unwind", kind = "static"))]
     extern "C" {
         #[unwind(allowed)]
         pub fn _Unwind_RaiseException(exception: *mut _Unwind_Exception) -> _Unwind_Reason_Code;
@@ -215,6 +223,8 @@ if #[cfg(not(all(target_os = "ios", target_arch = "arm")))] {
     }
 } else {
     // 32-bit iOS uses SjLj and does not provide _Unwind_Backtrace()
+    #[cfg_attr(all(not(bootstrap), feature = "llvm-libunwind"),
+               link(name = "unwind", kind = "static"))]
     extern "C" {
         #[unwind(allowed)]
         pub fn _Unwind_SjLj_RaiseException(e: *mut _Unwind_Exception) -> _Unwind_Reason_Code;