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module.exports = exports = build
/**
* Module dependencies.
*/
var fs = require('graceful-fs')
, rm = require('rimraf')
, path = require('path')
, glob = require('glob')
, log = require('npmlog')
, which = require('which')
, mkdirp = require('mkdirp')
, exec = require('child_process').exec
, win = process.platform == 'win32'
exports.usage = 'Invokes `' + (win ? 'msbuild' : 'make') + '` and builds the module'
function build (gyp, argv, callback) {
var makeCommand = gyp.opts.make || process.env.MAKE
|| (process.platform.indexOf('bsd') != -1 ? 'gmake' : 'make')
, command = win ? 'msbuild' : makeCommand
, buildDir = path.resolve('build')
, configPath = path.resolve(buildDir, 'config.gypi')
, jobs = gyp.opts.jobs || process.env.JOBS
, buildType
, config
, arch
, nodeDir
, copyDevLib
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 'nodeDir' vars from the config
buildType = config.target_defaults.default_configuration
arch = config.variables.target_arch
nodeDir = config.variables.nodedir
copyDevLib = config.variables.copy_dev_lib == 'true'
if ('debug' in gyp.opts) {
buildType = gyp.opts.debug ? 'Debug' : 'Release'
}
if (!buildType) {
buildType = 'Release'
}
log.verbose('build type', buildType)
log.verbose('architecture', arch)
log.verbose('node dev dir', nodeDir)
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]
log.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
findMsbuild()
} else {
// Some other error or 'make' not found on Unix, report that to the user
callback(err)
}
return
}
log.verbose('`which` succeeded for `' + command + '`', execPath)
copyNodeLib()
})
}
/**
* Search for the location of "msbuild.exe" file on Windows.
*/
function findMsbuild () {
log.verbose('could not find "msbuild.exe" in PATH - finding location in registry')
var notfoundErr = new Error('Can\'t find "msbuild.exe". Do you have Microsoft Visual Studio C++ 2008+ installed?')
exec('reg query "HKLM\\Software\\Microsoft\\MSBuild\\ToolsVersions" /s', function (err, stdout, stderr) {
var reVers = /Software\\Microsoft\\MSBuild\\ToolsVersions\\([^\r]+)\r\n\s+MSBuildToolsPath\s+REG_SZ\s+([^\r]+)/gi
, msbuilds = []
, r
, msbuildPath
if (err) {
return callback(notfoundErr)
}
while (r = reVers.exec(stdout)) {
if (parseFloat(r[1], 10) >= 3.5) {
msbuilds.push({
version: parseFloat(r[1], 10),
path: r[2]
})
}
}
msbuilds.sort(function (x, y) {
return (x.version < y.version ? -1 : 1)
})
;(function verifyMsbuild () {
msbuildPath = path.resolve(msbuilds.pop().path, 'msbuild.exe')
fs.stat(msbuildPath, function (err, stat) {
if (err) {
if (err.code == 'ENOENT') {
if (msbuilds.length) {
return verifyMsbuild()
} else {
callback(notfoundErr)
}
} else {
callback(err)
}
return
}
command = msbuildPath
copyNodeLib()
})
})()
})
}
/**
* Copies the node.lib file for the current target architecture into the
* current proper dev dir location.
*/
function copyNodeLib () {
if (!win || !copyDevLib) return doBuild()
var buildDir = path.resolve(nodeDir, buildType)
, archNodeLibPath = path.resolve(nodeDir, arch, 'node.lib')
, buildNodeLibPath = path.resolve(buildDir, 'node.lib')
mkdirp(buildDir, function (err, isNew) {
if (err) return callback(err)
log.verbose('"' + buildType + '" dir needed to be created?', isNew)
var rs = fs.createReadStream(archNodeLibPath)
, ws = fs.createWriteStream(buildNodeLibPath)
log.verbose('copying "node.lib" for ' + arch, 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
var verbose = log.levels[log.level] <= log.levels.verbose
if (!win && verbose) {
argv.push('V=1')
}
if (win && !verbose) {
argv.push('/clp:Verbosity=minimal')
}
if (win) {
// Turn off the Microsoft logo on Windows
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)
if (jobs) {
if (!isNaN(parseInt(jobs, 10))) {
argv.push('/m:' + parseInt(jobs, 10))
} else if (jobs.toUpperCase() === 'MAX') {
argv.push('/m:' + require('os').cpus().length)
}
}
} else {
argv.push('BUILDTYPE=' + buildType)
// Invoke the Makefile in the 'build' dir.
argv.push('-C')
argv.push('build')
if (jobs) {
if (!isNaN(parseInt(jobs, 10))) {
argv.push('--jobs')
argv.push(parseInt(jobs, 10))
} else if (jobs.toUpperCase() === 'MAX') {
argv.push('--jobs')
argv.push(require('os').cpus().length)
}
}
}
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))
}
//symlinkNodeBinding()
callback()
}
function symlinkNodeBinding () {
var source, target
var buildDir = 'build/' + buildType + '/*.node'
log.verbose('globbing for files', buildDir)
glob(buildDir, function (err, nodeFiles) {
if (err) return callback(err)
log.silly('symlink', 'linking files', nodeFiles)
function link () {
var file = nodeFiles.shift()
if (!file) {
// no more files to link... done!
return callback()
}
if (win) {
// windows requires absolute paths for junctions
source = path.resolve('build', path.basename(file))
target = path.resolve(file)
} else {
// on unix, use only relative paths since they're nice
source = path.join('build', path.basename(file))
target = path.relative('build', file)
}
log.info('symlink', 'creating %s "%s" pointing to "%s"', win ? 'junction' : 'symlink', source, target)
fs.symlink(target, source, 'junction', function (err) {
if (err) {
if (err.code === 'EEXIST') {
log.verbose('destination already exists; deleting', dest)
rm(dest, function (err) {
if (err) return callback(err)
log.verbose('delete successful; trying symlink again')
nodeFiles.unshift(file)
link()
})
} else {
callback(err)
}
return
}
// process the next file, if any
link()
})
}
// start linking
link()
})
}
}