Merge pull request #5837 from sreecha/grpc_fixit_node

DocFixit: Troubleshooting info for Windows and some minor tweaks

examples/node/README.md

@@ -10,6 +10,11 @@ INSTALL
 -------
 
    ```sh
+   $ # Get the gRPC repository
+   $ export REPO_ROOT=grpc # REPO root can be any directory of your choice
+   $ git clone https://github.com/grpc/grpc.git $REPO_ROOT
+   $ cd $REPO_ROOT
+
    $ cd examples/node
    $ npm install
    ```

src/node/README.md

@@ -7,6 +7,8 @@ Beta
 ## PREREQUISITES
 - `node`: This requires `node` to be installed, version `0.12` or above. If you instead have the `nodejs` executable on Debian, you should install the [`nodejs-legacy`](https://packages.debian.org/sid/nodejs-legacy) package.
 
+- **Note:** If you installed `node` via a package manager and the version is still less than `0.12`, try directly installing it from [nodejs.org](https://nodejs.org).
+
 ## INSTALLATION
 
 Install the gRPC NPM package
@@ -17,7 +19,21 @@ npm install grpc
 
 ## BUILD FROM SOURCE
  1. Clone [the grpc Git Repository](https://github.com/grpc/grpc).
- 3. Run `npm install`.
+ 2. Run `npm install` from the repository root.
+
+ - **Note:** On Windows, this might fail due to [nodejs issue #4932](https://github.com/nodejs/node/issues/4932) in which case, you will see something like the following in `npm install`'s output (towards the very beginning):
+
+    ```
+     ..
+     Building the projects in this solution one at a time. To enable parallel build, please add the "/m" switch.
+     WINDOWS_BUILD_WARNING
+      "..\IMPORTANT: Due to https:\github.com\nodejs\node\issues\4932, to build this library on Windows, you must first remove C:\Users\jenkins\.node-gyp\4.4.0\include\node\openssl"
+      ...
+      ..
+    ```
+
+    To fix this, you will have to delete the folder `C:\Users\<username>\.node-gyp\<node_version>\include\node\openssl` and retry `npm install`
+
 
 ## TESTING
 To run the test suite, simply run `npm test` in the install location.