var spawn = require('child_process').spawn, exec = require('child_process').exec, fs = require('fs'), version = JSON.parse(fs.readFileSync(__dirname + '/package.json', 'utf8')).version, verbose = process.env.npm_package_config_verbose != null ? process.env.npm_package_config_verbose === 'true': false ; 
console.log('[websocket v%s] Attempting to compile native extensions.', version); 
var gyp = exec('node-gyp rebuild', { 
cwd: __dirname}
); 
gyp.stdout.on('data', function (data){ 
if (verbose) _AN_Call_write('write', process.stdout, data); 
} 
); 
gyp.stderr.on('data', function (data){ 
if (verbose) _AN_Call_write('write', process.stdout, data); 
} 
); 
gyp.on('exit', function (code){ 
if (code !== 0) { 
console.log("[websocket v%s]", version); 
console.log('    Native code compile failed!!'); 
console.log('    Please note that this module DOES NOT REQUIRE the native components'); 
console.log('    and will still work without them, though not quite as efficiently.'); 
console.log(''); 
console.log('    On Windows, native extensions require Visual Studio and Python.'); 
console.log('    On Unix, native extensions require Python, make and a C++ compiler.'); 
console.log('    Start npm with --websocket:verbose to show compilation output (if any).'); 
} 
 else { 
console.log('[websocket v%s] Native extension compilation successful!', version); 
} 
process.exit(); 
} 
);