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module.exports = exports = build
/**
* Module dependencies.
*/
var fs = require('graceful-fs')
, path = require('path')
, glob = require('glob')
, which = require('which')
, mkdirp = require('./util/mkdirp')
, win = process.platform == 'win32'
exports.usage = 'Invokes `' + (win ? 'msbuild' : 'make') + '` and builds the module'
function build (gyp, argv, callback) {
gyp.verbose('build args', argv)
var command = win ? 'msbuild' : 'make'
, buildDir = path.resolve('build')
, configPath = path.resolve(buildDir, 'config.gypi')
, buildType
, config
, arch
, version
loadConfigGypi()
/**
* Load the "config.gypi" file that was generated during "configure".
*/
function loadConfigGypi () {
fs.readFile(configPath, 'utf8', function (err, data) {
if (err) {
if (err.code == 'ENOENT') {
callback(new Error('You must run `node-gyp configure` first!'))
} else {
callback(err)
}
return
}
config = JSON.parse(data.replace(/\#.+\n/, ''))
// get the 'arch', 'buildType', and 'version' vars from the config
buildType = config.target_defaults.default_configuration
arch = config.variables.target_arch
version = config.variables.target_version
if ('debug' in gyp.opts) {
buildType = gyp.opts.debug ? 'Debug' : 'Release'
}
if (!buildType) {
buildType = 'Release'
}
gyp.verbose('build type:', buildType)
gyp.verbose('architecture:', arch)
gyp.verbose('node version:', version)
if (win) {
findSolutionFile()
} else {
doWhich()
}
})
}
/**
* On Windows, find the first build/*.sln file.
*/
function findSolutionFile () {
glob('build/*.sln', function (err, files) {
if (err) return callback(err)
if (files.length === 0) {
return callback(new Error('Could not find *.sln file. Did you run "configure"?'))
}
guessedSolution = files[0]
gyp.verbose('found first Solution file', guessedSolution)
doWhich()
})
}
/**
* Uses node-which to locate the msbuild / make executable.
*/
function doWhich () {
// First make sure we have the build command in the PATH
which(command, function (err, execPath) {
if (err) {
if (win && /not found/.test(err.message)) {
// On windows and no 'msbuild' found. Let's guess where it is
guessMsbuild()
} else {
// Some other error or 'make' not found on Unix, report that to the user
callback(err)
}
return
}
gyp.verbose('`which` succeeded for `' + command + '`', execPath)
copyNodeLib()
})
}
/**
* Guess the location of the "msbuild.exe" file on Windows.
*/
function guessMsbuild () {
gyp.verbose('could not find "msbuild.exe". guessing location')
// This is basically just hard-coded. If this causes problems
// then we'll think of something more clever.
var windir = process.env.WINDIR || process.env.SYSTEMROOT || 'C:\\WINDOWS'
, frameworkDir = path.resolve(windir, 'Microsoft.NET', 'Framework')
, versionDir = path.resolve(frameworkDir, 'v4.0.30319') // This is probably the most brittle part...
, msbuild = path.resolve(versionDir, 'msbuild.exe')
fs.stat(msbuild, function (err, stat) {
if (err) {
if (err.code == 'ENOENT') {
callback(new Error('Can\'t find "msbuild.exe". Do you have Microsoft Visual Studio C++ 2010 installed?'))
} else {
callback(err)
}
return
}
command = msbuild
copyNodeLib()
})
}
/**
* Copies the node.lib file for the current target architecture into the
* current proper dev dir location.
*/
function copyNodeLib () {
if (!win) return doBuild()
var devDir = path.resolve(gyp.devDir, version)
, buildDir = path.resolve(devDir, buildType)
, archNodeLibPath = path.resolve(devDir, arch, 'node.lib')
, buildNodeLibPath = path.resolve(buildDir, 'node.lib')
mkdirp(buildDir, function (err, isNew) {
if (err) return callback(err)
gyp.verbose('"' + buildType + '" dir needed to be created?', isNew)
var rs = fs.createReadStream(archNodeLibPath)
, ws = fs.createWriteStream(buildNodeLibPath)
rs.pipe(ws)
rs.on('error', callback)
ws.on('error', callback)
rs.on('end', doBuild)
})
}
/**
* Actually spawn the process and compile the module.
*/
function doBuild () {
// Enable Verbose build
if (!win && gyp.opts.verbose) {
argv.push('V=1')
}
if (win && !gyp.opts.verbose) {
argv.push('/clp:Verbosity=minimal')
}
// Turn off the Microsoft logo on Windows
if (win) {
argv.push('/nologo')
}
// Specify the build type, Release by default
if (win) {
var p = arch === 'x64' ? 'x64' : 'Win32'
argv.push('/p:Configuration=' + buildType + ';Platform=' + p)
} else {
argv.push('BUILDTYPE=' + buildType)
// Invoke the Makefile in the 'build' dir.
argv.push('-C')
argv.push('build')
}
if (win) {
// did the user specify their own .sln file?
var hasSln = argv.some(function (arg) {
return path.extname(arg) == '.sln'
})
if (!hasSln) {
argv.unshift(gyp.opts.solution || guessedSolution)
}
}
var proc = gyp.spawn(command, argv)
proc.on('exit', onExit)
}
/**
* Invoked after the make/msbuild command exits.
*/
function onExit (code, signal) {
if (code !== 0) {
return callback(new Error('`' + command + '` failed with exit code: ' + code))
}
if (signal) {
return callback(new Error('`' + command + '` got signal: ' + signal))
}
callback()
}
}
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