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344 lines
10 KiB
344 lines
10 KiB
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module.exports = exports = configure
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/**
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* Module dependencies.
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*/
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var fs = require('graceful-fs')
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, path = require('path')
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, glob = require('glob')
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, log = require('npmlog')
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, osenv = require('osenv')
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, which = require('which')
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, semver = require('semver')
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, mkdirp = require('mkdirp')
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, cp = require('child_process')
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, spawn = cp.spawn
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, execFile = cp.execFile
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, win = process.platform == 'win32'
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exports.usage = 'Generates ' + (win ? 'MSVC project files' : 'a Makefile') + ' for the current module'
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function configure (gyp, argv, callback) {
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var python = gyp.opts.python || process.env.PYTHON || 'python'
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, buildDir = path.resolve('build')
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, configNames = [ 'config.gypi', 'common.gypi' ]
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, configs = []
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, nodeDir
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checkPython()
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// Check if Python is in the $PATH
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function checkPython () {
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log.verbose('check python', 'checking for Python executable "%s" in the PATH', python)
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which(python, function (err, execPath) {
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if (err) {
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log.verbose('`which` failed', python, err)
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if (win) {
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guessPython()
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} else {
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failNoPython()
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}
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} else {
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log.verbose('`which` succeeded', python, execPath)
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checkPythonVersion()
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}
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})
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}
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// Called on Windows when "python" isn't available in the current $PATH.
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// We're gonna check if "%SystemDrive%\python27\python.exe" exists.
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function guessPython () {
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log.verbose('could not find "' + python + '". guessing location')
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var rootDir = process.env.SystemDrive || 'C:\\'
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if (rootDir[rootDir.length - 1] !== '\\') {
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rootDir += '\\'
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}
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var pythonPath = path.resolve(rootDir, 'Python27', 'python.exe')
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log.verbose('ensuring that file exists:', pythonPath)
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fs.stat(pythonPath, function (err, stat) {
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if (err) {
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if (err.code == 'ENOENT') {
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failNoPython()
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} else {
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callback(err)
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}
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return
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}
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python = pythonPath
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checkPythonVersion()
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})
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}
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function checkPythonVersion () {
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var env = { TERM: 'dumb', PATH: process.env.PATH };
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execFile(python, ['-c', 'import platform; print(platform.python_version());'], { env: env }, function (err, stdout) {
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if (err) {
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return callback(err)
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}
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log.verbose('check python version', '`%s -c "import platform; print(platform.python_version());"` returned: %j', python, stdout)
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var version = stdout.trim()
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if (~version.indexOf('+')) {
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log.silly('stripping "+" sign(s) from version')
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version = version.replace(/\+/g, '')
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}
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if (~version.indexOf('rc')) {
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log.silly('stripping "rc" identifier from version')
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version = version.replace(/rc(.*)$/ig, '')
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}
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var range = semver.Range('>=2.5.0 <3.0.0');
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if (range.test(version)) {
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getNodeDir()
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} else {
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failPythonVersion(version)
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}
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})
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}
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function failNoPython () {
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callback(new Error('Can\'t find Python executable "' + python +
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'", you can set the PYTHON env variable.'))
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}
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function failPythonVersion (badVersion) {
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callback(new Error('Python executable "' + python +
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'" is v' + badVersion + ', which is not supported by gyp.\n' +
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'You can pass the --python switch to point to Python >= v2.5.0 & < 3.0.0.'))
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}
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function getNodeDir () {
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// 'python' should be set by now
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process.env.PYTHON = python
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if (gyp.opts.nodedir) {
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// --nodedir was specified. use that for the dev files
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nodeDir = gyp.opts.nodedir.replace(/^~/, osenv.home())
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log.verbose('get node dir', 'compiling against specified --nodedir dev files: %s', nodeDir)
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createBuildDir()
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} else {
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// if no --nodedir specified, ensure node dependencies are installed
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var version
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var versionStr
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if (gyp.opts.target) {
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// if --target was given, then determine a target version to compile for
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versionStr = gyp.opts.target
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log.verbose('get node dir', 'compiling against --target node version: %s', versionStr)
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} else {
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// if no --target was specified then use the current host node version
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versionStr = process.version
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log.verbose('get node dir', 'no --target version specified, falling back to host node version: %s', versionStr)
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}
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// make sure we have a valid version
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try {
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version = semver.parse(versionStr)
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} catch (e) {
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return callback(e)
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}
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if (!version) {
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return callback(new Error('Invalid version number: ' + versionStr))
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}
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// ensure that the target node version's dev files are installed
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gyp.opts.ensure = true
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gyp.commands.install([ versionStr ], function (err, version) {
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if (err) return callback(err)
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log.verbose('get node dir', 'target node version installed:', version)
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nodeDir = path.resolve(gyp.devDir, version)
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createBuildDir()
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})
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}
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}
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function createBuildDir () {
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log.verbose('build dir', 'attempting to create "build" dir: %s', buildDir)
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mkdirp(buildDir, function (err, isNew) {
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if (err) return callback(err)
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log.verbose('build dir', '"build" dir needed to be created?', isNew)
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createConfigFile()
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})
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}
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function createConfigFile (err) {
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if (err) return callback(err)
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var configFilename = 'config.gypi'
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var configPath = path.resolve(buildDir, configFilename)
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log.verbose('build/' + configFilename, 'creating config file')
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var config = process.config || {}
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, defaults = config.target_defaults
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, variables = config.variables
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// default "config.variables"
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if (!variables) variables = config.variables = {}
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// default "config.defaults"
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if (!defaults) defaults = config.target_defaults = {}
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// don't inherit the "defaults" from node's `process.config` object.
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// doing so could cause problems in cases where the `node` executable was
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// compiled on a different machine (with different lib/include paths) than
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// the machine where the addon is being built to
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defaults.cflags = []
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defaults.defines = []
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defaults.include_dirs = []
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defaults.libraries = []
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// set the default_configuration prop
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if ('debug' in gyp.opts) {
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defaults.default_configuration = gyp.opts.debug ? 'Debug' : 'Release'
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}
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if (!defaults.default_configuration) {
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defaults.default_configuration = 'Release'
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}
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// set the target_arch variable
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variables.target_arch = gyp.opts.arch || process.arch || 'ia32'
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// set the node development directory
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variables.nodedir = nodeDir
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// don't copy dev libraries with nodedir option
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variables.copy_dev_lib = !gyp.opts.nodedir
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// disable -T "thin" static archives by default
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variables.standalone_static_library = gyp.opts.thin ? 0 : 1;
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// loop through the rest of the opts and add the unknown ones as variables.
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// this allows for module-specific configure flags like:
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//
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// $ node-gyp configure --shared-libxml2
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Object.keys(gyp.opts).forEach(function (opt) {
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if (opt === 'argv') return
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if (opt in gyp.configDefs) return
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variables[opt.replace(/-/g, '_')] = gyp.opts[opt]
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})
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// ensures that any boolean values from `process.config` get stringified
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function boolsToString (k, v) {
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if (typeof v === 'boolean')
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return String(v)
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return v
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}
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log.silly('build/' + configFilename, config)
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// now write out the config.gypi file to the build/ dir
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var prefix = '# Do not edit. File was generated by node-gyp\'s "configure" step'
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, json = JSON.stringify(config, boolsToString, 2)
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log.verbose('build/' + configFilename, 'writing out config file: %s', configPath)
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configs.push(configPath)
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fs.writeFile(configPath, [prefix, json, ''].join('\n'), findConfigs)
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}
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function findConfigs (err) {
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if (err) return callback(err)
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var name = configNames.shift()
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if (!name) return runGyp()
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var fullPath = path.resolve(name)
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log.verbose(name, 'checking for gypi file: %s', fullPath)
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fs.stat(fullPath, function (err, stat) {
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if (err) {
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if (err.code == 'ENOENT') {
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findConfigs() // check next gypi filename
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} else {
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callback(err)
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}
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} else {
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log.verbose(name, 'found gypi file')
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configs.push(fullPath)
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findConfigs()
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}
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})
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}
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function runGyp (err) {
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if (err) return callback(err)
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if (!~argv.indexOf('-f') && !~argv.indexOf('--format')) {
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if (win) {
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log.verbose('gyp', 'gyp format was not specified; forcing "msvs"')
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// force the 'make' target for non-Windows
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argv.push('-f', 'msvs')
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} else {
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log.verbose('gyp', 'gyp format was not specified; forcing "make"')
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// force the 'make' target for non-Windows
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argv.push('-f', 'make')
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}
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}
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function hasMsvsVersion () {
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return argv.some(function (arg) {
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return arg.indexOf('msvs_version') === 0
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})
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}
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if (win && !hasMsvsVersion()) {
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if ('msvs_version' in gyp.opts) {
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argv.push('-G', 'msvs_version=' + gyp.opts.msvs_version)
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} else {
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argv.push('-G', 'msvs_version=auto')
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}
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}
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// include all the ".gypi" files that were found
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configs.forEach(function (config) {
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argv.push('-I', config)
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})
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// this logic ported from the old `gyp_addon` python file
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var gyp_script = path.resolve(__dirname, '..', 'gyp', 'gyp_main.py')
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var addon_gypi = path.resolve(__dirname, '..', 'addon.gypi')
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var common_gypi = path.resolve(nodeDir, 'common.gypi')
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var output_dir = 'build'
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if (win) {
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// Windows expects an absolute path
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output_dir = buildDir
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}
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argv.push('-I', addon_gypi)
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argv.push('-I', common_gypi)
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argv.push('-Dlibrary=shared_library')
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argv.push('-Dvisibility=default')
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argv.push('-Dnode_root_dir=' + nodeDir)
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argv.push('-Dmodule_root_dir=' + process.cwd())
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argv.push('--depth=.')
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// tell gyp to write the Makefile/Solution files into output_dir
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argv.push('--generator-output', output_dir)
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// tell make to write its output into the same dir
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argv.push('-Goutput_dir=.')
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// enforce use of the "binding.gyp" file
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argv.unshift('binding.gyp')
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// execute `gyp` from the current target nodedir
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argv.unshift(gyp_script)
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var cp = gyp.spawn(python, argv)
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cp.on('exit', onCpExit)
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}
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/**
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* Called when the `gyp` child process exits.
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*/
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function onCpExit (code, signal) {
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if (code !== 0) {
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callback(new Error('`gyp` failed with exit code: ' + code))
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} else {
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// we're done
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callback()
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}
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}
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}
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