diff --git a/library/core/src/ffi/mod.rs b/library/core/src/ffi/mod.rs index 3627e844222ac..cbdae2ac76630 100644 --- a/library/core/src/ffi/mod.rs +++ b/library/core/src/ffi/mod.rs @@ -609,3 +609,13 @@ extern "rust-intrinsic" { #[rustc_nounwind] fn va_arg(ap: &mut VaListImpl<'_>) -> T; } + +// Link the MSVC default lib +#[cfg(all(windows, target_env = "msvc"))] +#[link( + name = "/defaultlib:msvcrt", + modifiers = "+verbatim", + cfg(not(target_feature = "crt-static")) +)] +#[link(name = "/defaultlib:libcmt", modifiers = "+verbatim", cfg(target_feature = "crt-static"))] +extern "C" {} diff --git a/library/core/src/lib.rs b/library/core/src/lib.rs index d2618c8bb2b2a..154565b6fee17 100644 --- a/library/core/src/lib.rs +++ b/library/core/src/lib.rs @@ -178,6 +178,7 @@ #![feature(ip_bits)] #![feature(is_ascii_octdigit)] #![feature(isqrt)] +#![feature(link_cfg)] #![feature(maybe_uninit_uninit_array)] #![feature(non_null_convenience)] #![feature(offset_of_enum)]