X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=README.md;h=5e208a76e0315eece69a710b50b6daa94758f1cf;hb=f16e7b4a419a5afcdd4d634da120cb834c8ebaba;hp=9d85487f793ef3389cd752b1d4c91d88b3f987cb;hpb=3f37f5a443e3f0fa91b1787117cb89a0a8aa666d;p=rust.git

diff --git a/README.md b/README.md
index 9d85487f793..5e208a76e03 100644
--- a/README.md
+++ b/README.md
@@ -68,7 +68,8 @@ Read ["Installing Rust"] from [The Book].
    # Update package mirrors (may be needed if you have a fresh install of MSYS2)
    $ pacman -Sy pacman-mirrors
 
-   # Choose one based on platform:
+   # Choose one based on platform: 
+   # *** see the note below ***
    $ pacman -S mingw-w64-i686-toolchain
    $ pacman -S mingw-w64-x86_64-toolchain
 
@@ -87,6 +88,16 @@ Read ["Installing Rust"] from [The Book].
    $ ./configure
    $ make && make install
    ```
+> ***Note:*** gcc versions >= 5 currently have issues building LLVM on Windows
+> resulting in a segmentation fault when building Rust. In order to avoid this
+> it may be necessary to obtain an earlier version of gcc such as 4.9.x.  
+> Msys's `pacman` will install the latest version, so for the time being it is
+> recommended to skip gcc toolchain installation step above and use [Mingw-Builds]
+> project's installer instead.  Be sure to add gcc `bin` directory to the path
+> before running `configure`.  
+> For more information on this see issue #28260.
+
+[Mingw-Builds]: http://sourceforge.net/projects/mingw-w64/
 
 ## Building Documentation