doc(wiki): Created Error: "pre" versions of node cannot be installed …

…(markdown)

Error:-"pre"-versions-of-node-cannot-be-installed.md

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+When using `node-gyp` you might see an error like this when attempting to compile/install a node.js native addon:
+
+```
+$ npm install bcrypt
+npm http GET https://registry.npmjs.org/bcrypt/0.7.5
+npm http 304 https://registry.npmjs.org/bcrypt/0.7.5
+npm http GET https://registry.npmjs.org/bindings/1.0.0
+npm http 304 https://registry.npmjs.org/bindings/1.0.0
+
+> bcrypt@0.7.5 install /home/ubuntu/public/song-swap/node_modules/bcrypt
+> node-gyp rebuild
+
+gyp ERR! configure error
+gyp ERR! stack Error: "pre" versions of node cannot be installed, use the --nodedir flag instead
+gyp ERR! stack     at install (/usr/local/lib/node_modules/npm/node_modules/node-gyp/lib/install.js:69:16)
+gyp ERR! stack     at Object.self.commands.(anonymous function) [as install] (/usr/local/lib/node_modules/npm/node_modules/node-gyp/lib/node-gyp.js:56:37)
+gyp ERR! stack     at getNodeDir (/usr/local/lib/node_modules/npm/node_modules/node-gyp/lib/configure.js:219:20)
+gyp ERR! stack     at /usr/local/lib/node_modules/npm/node_modules/node-gyp/lib/configure.js:105:9
+gyp ERR! stack     at ChildProcess.exithandler (child_process.js:630:7)
+gyp ERR! stack     at ChildProcess.EventEmitter.emit (events.js:99:17)
+gyp ERR! stack     at maybeClose (child_process.js:730:16)
+gyp ERR! stack     at Process.ChildProcess._handle.onexit (child_process.js:797:5)
+gyp ERR! System Linux 3.5.0-21-generic
+gyp ERR! command "node" "/usr/local/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js" "rebuild"
+gyp ERR! cwd /home/ubuntu/public/song-swap/node_modules/bcrypt
+gyp ERR! node -v v0.11.2-pre
+gyp ERR! node-gyp -v v0.9.5
+gyp ERR! not ok
+npm ERR! bcrypt@0.7.5 install: `node-gyp rebuild`
+npm ERR! `sh "-c" "node-gyp rebuild"` failed with 1
+npm ERR!
+npm ERR! Failed at the bcrypt@0.7.5 install script.
+npm ERR! This is most likely a problem with the bcrypt package,
+npm ERR! not with npm itself.
+npm ERR! Tell the author that this fails on your system:
+npm ERR!     node-gyp rebuild
+npm ERR! You can get their info via:
+npm ERR!     npm owner ls bcrypt
+npm ERR! There is likely additional logging output above.
+
+npm ERR! System Linux 3.5.0-21-generic
+npm ERR! command "/usr/local/bin/node" "/usr/local/bin/npm" "install" "bcrypt"
+npm ERR! cwd /home/ubuntu/public/song-swap
+npm ERR! node -v v0.11.2-pre
+npm ERR! npm -v 1.2.18
+npm ERR! code ELIFECYCLE
+npm ERR!
+npm ERR! Additional logging details can be found in:
+npm ERR!     /home/ubuntu/public/song-swap/npm-debug.log
+npm ERR! not ok code 0
+```
+
+The main error here is:
+
+```
+Error: "pre" versions of node cannot be installed, use the --nodedir flag instead
+```
+
+This error is caused when you attempt to compile a native addon using a version of node.js with `-pre` at the end of the version number.
+
+## How to avoid (the short answer)
+
+To avoid this error completely just use a stable release of node.js. i.e. `v0.10.4`, and __not__ `v0.10.4-pre`.
+
+## How to fix (the long answer)
+
+This error happens because `node-gyp` does not know what header files were used to compile your "pre" version of node, and therefore it needs you to specify the node source code directory path using the `--nodedir` flag.
+