Rollup merge of #61006 - RalfJung:maybe-uninit, r=Centril

[rust.git] / README.md

diff --git a/README.md b/README.md
index f6f796911b8fa57a5f702e71cc9d2dd27ed96349..75d7823490a201564a55c708960c231c7a9b869d 100644 (file)
--- a/README.md
+++ b/README.md
@@ -128,9 +128,15 @@ build.
 #### MSVC
 [windows-msvc]: #windows-msvc
 
-MSVC builds of Rust additionally require an installation of Visual Studio 2013
-(or later) so `rustc` can use its linker. Make sure to check the “C++ tools”
-option.
+MSVC builds of Rust additionally require an installation of Visual Studio 2017
+(or later) so `rustc` can use its linker.  The simplest way is to get the
+[Visual Studio Build Tools] and check the “C++ build tools” workload.
+
+[Visual Studio Build Tools]: https://visualstudio.microsoft.com/downloads/#build-tools-for-visual-studio-2019
+
+At last check (cmake 3.14.3 and msvc 16.0.3) using the 2019 tools fails to
+build the in-tree LLVM build with a CMake error, so use 2017 instead by
+including the “MSVC v141 – VS 2017 C++ x64/x86 build tools (v14.16)” component.
 
 With these dependencies installed, you can build the compiler in a `cmd.exe`
 shell with: