add pre-statement-effect to dataflow

[rust.git] / README.md

diff --git a/README.md b/README.md
index 779acb9fab44451354c7ae67533c9db4978269f1..589aa1afe35ec7389bcafc875ffb130826af80ba 100644 (file)
--- a/README.md
+++ b/README.md
@@ -16,6 +16,7 @@ Read ["Installation"] from [The Book].
 ## Building from Source
 [building-from-source]: #building-from-source
 
+### Building on *nix
 1. Make sure you have installed the dependencies:
 
    * `g++` 4.7 or later or `clang++` 3.x or later
@@ -128,6 +129,9 @@ CALL "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\bin\amd64\vcvars64.
 python x.py build
 ```
 
+If you are seeing build failure when compiling `rustc_binaryen`, make sure the path
+length of the rust folder is not longer than 22 characters.
+
 #### Specifying an ABI
 [specifying-an-abi]: #specifying-an-abi