--- /dev/null
+module.exports = exports = configure
+module.exports.test = { findAccessibleSync: findAccessibleSync,
+ findPython: findPython }
+
+/**
+ * Module dependencies.
+ */
+
+var fs = require('graceful-fs')
+ , path = require('path')
+ , log = require('npmlog')
+ , osenv = require('osenv')
+ , which = require('which')
+ , semver = require('semver')
+ , mkdirp = require('mkdirp')
+ , cp = require('child_process')
+ , PathArray = require('path-array')
+ , extend = require('util')._extend
+ , processRelease = require('./process-release')
+ , spawn = cp.spawn
+ , execFile = cp.execFile
+ , win = process.platform == 'win32'
+ , findNodeDirectory = require('./find-node-directory')
+ , msgFormat = require('util').format
+
+exports.usage = 'Generates ' + (win ? 'MSVC project files' : 'a Makefile') + ' for the current module'
+
+function configure (gyp, argv, callback) {
+
+ var python = gyp.opts.python || process.env.PYTHON || 'python2'
+ , buildDir = path.resolve('build')
+ , configNames = [ 'config.gypi', 'common.gypi' ]
+ , configs = []
+ , nodeDir
+ , release = processRelease(argv, gyp, process.version, process.release)
+
+ findPython(python, function (err, found) {
+ if (err) {
+ callback(err)
+ } else {
+ python = found
+ getNodeDir()
+ }
+ })
+
+ function getNodeDir () {
+
+ // 'python' should be set by now
+ process.env.PYTHON = python
+
+ if (gyp.opts.nodedir) {
+ // --nodedir was specified. use that for the dev files
+ nodeDir = gyp.opts.nodedir.replace(/^~/, osenv.home())
+
+ log.verbose('get node dir', 'compiling against specified --nodedir dev files: %s', nodeDir)
+ createBuildDir()
+
+ } else {
+ // if no --nodedir specified, ensure node dependencies are installed
+ if ('v' + release.version !== process.version) {
+ // if --target was given, then determine a target version to compile for
+ log.verbose('get node dir', 'compiling against --target node version: %s', release.version)
+ } else {
+ // if no --target was specified then use the current host node version
+ log.verbose('get node dir', 'no --target version specified, falling back to host node version: %s', release.version)
+ }
+
+ if (!release.semver) {
+ // could not parse the version string with semver
+ return callback(new Error('Invalid version number: ' + release.version))
+ }
+
+ // ensure that the target node version's dev files are installed
+ gyp.opts.ensure = true
+ gyp.commands.install([ release.version ], function (err, version) {
+ if (err) return callback(err)
+ log.verbose('get node dir', 'target node version installed:', release.versionDir)
+ nodeDir = path.resolve(gyp.devDir, release.versionDir)
+ createBuildDir()
+ })
+ }
+ }
+
+ function createBuildDir () {
+ log.verbose('build dir', 'attempting to create "build" dir: %s', buildDir)
+ mkdirp(buildDir, function (err, isNew) {
+ if (err) return callback(err)
+ log.verbose('build dir', '"build" dir needed to be created?', isNew)
+ createConfigFile()
+ })
+ }
+
+ function createConfigFile (err) {
+ if (err) return callback(err)
+
+ var configFilename = 'config.gypi'
+ var configPath = path.resolve(buildDir, configFilename)
+
+ log.verbose('build/' + configFilename, 'creating config file')
+
+ var config = process.config || {}
+ , defaults = config.target_defaults
+ , variables = config.variables
+
+ // default "config.variables"
+ if (!variables) variables = config.variables = {}
+
+ // default "config.defaults"
+ if (!defaults) defaults = config.target_defaults = {}
+
+ // don't inherit the "defaults" from node's `process.config` object.
+ // doing so could cause problems in cases where the `node` executable was
+ // compiled on a different machine (with different lib/include paths) than
+ // the machine where the addon is being built to
+ defaults.cflags = []
+ defaults.defines = []
+ defaults.include_dirs = []
+ defaults.libraries = []
+
+ // set the default_configuration prop
+ if ('debug' in gyp.opts) {
+ defaults.default_configuration = gyp.opts.debug ? 'Debug' : 'Release'
+ }
+ if (!defaults.default_configuration) {
+ defaults.default_configuration = 'Release'
+ }
+
+ // set the target_arch variable
+ variables.target_arch = gyp.opts.arch || process.arch || 'ia32'
+
+ // set the node development directory
+ variables.nodedir = nodeDir
+
+ // don't copy dev libraries with nodedir option
+ variables.copy_dev_lib = !gyp.opts.nodedir
+
+ // disable -T "thin" static archives by default
+ variables.standalone_static_library = gyp.opts.thin ? 0 : 1
+
+ // loop through the rest of the opts and add the unknown ones as variables.
+ // this allows for module-specific configure flags like:
+ //
+ // $ node-gyp configure --shared-libxml2
+ Object.keys(gyp.opts).forEach(function (opt) {
+ if (opt === 'argv') return
+ if (opt in gyp.configDefs) return
+ variables[opt.replace(/-/g, '_')] = gyp.opts[opt]
+ })
+
+ // ensures that any boolean values from `process.config` get stringified
+ function boolsToString (k, v) {
+ if (typeof v === 'boolean')
+ return String(v)
+ return v
+ }
+
+ log.silly('build/' + configFilename, config)
+
+ // now write out the config.gypi file to the build/ dir
+ var prefix = '# Do not edit. File was generated by node-gyp\'s "configure" step'
+ , json = JSON.stringify(config, boolsToString, 2)
+ log.verbose('build/' + configFilename, 'writing out config file: %s', configPath)
+ configs.push(configPath)
+ fs.writeFile(configPath, [prefix, json, ''].join('\n'), findConfigs)
+ }
+
+ function findConfigs (err) {
+ if (err) return callback(err)
+ var name = configNames.shift()
+ if (!name) return runGyp()
+ var fullPath = path.resolve(name)
+ log.verbose(name, 'checking for gypi file: %s', fullPath)
+ fs.stat(fullPath, function (err, stat) {
+ if (err) {
+ if (err.code == 'ENOENT') {
+ findConfigs() // check next gypi filename
+ } else {
+ callback(err)
+ }
+ } else {
+ log.verbose(name, 'found gypi file')
+ configs.push(fullPath)
+ findConfigs()
+ }
+ })
+ }
+
+ function runGyp (err) {
+ if (err) return callback(err)
+
+ if (!~argv.indexOf('-f') && !~argv.indexOf('--format')) {
+ if (win) {
+ log.verbose('gyp', 'gyp format was not specified; forcing "msvs"')
+ // force the 'make' target for non-Windows
+ argv.push('-f', 'msvs')
+ } else {
+ log.verbose('gyp', 'gyp format was not specified; forcing "make"')
+ // force the 'make' target for non-Windows
+ argv.push('-f', 'make')
+ }
+ }
+
+ function hasMsvsVersion () {
+ return argv.some(function (arg) {
+ return arg.indexOf('msvs_version') === 0
+ })
+ }
+
+ if (win && !hasMsvsVersion()) {
+ if ('msvs_version' in gyp.opts) {
+ argv.push('-G', 'msvs_version=' + gyp.opts.msvs_version)
+ } else {
+ argv.push('-G', 'msvs_version=auto')
+ }
+ }
+
+ // include all the ".gypi" files that were found
+ configs.forEach(function (config) {
+ argv.push('-I', config)
+ })
+
+ // for AIX we need to set up the path to the exp file
+ // which contains the symbols needed for linking.
+ // The file will either be in one of the following
+ // depending on whether it is an installed or
+ // development environment:
+ // - the include/node directory
+ // - the out/Release directory
+ // - the out/Debug directory
+ // - the root directory
+ var node_exp_file = undefined
+ if (process.platform === 'aix') {
+ var node_root_dir = findNodeDirectory()
+ var candidates = ['include/node/node.exp',
+ 'out/Release/node.exp',
+ 'out/Debug/node.exp',
+ 'node.exp']
+ var logprefix = 'find exports file'
+ node_exp_file = findAccessibleSync(logprefix, node_root_dir, candidates)
+ if (node_exp_file !== undefined) {
+ log.verbose(logprefix, 'Found exports file: %s', node_exp_file)
+ } else {
+ var msg = msgFormat('Could not find node.exp file in %s', node_root_dir)
+ log.error(logprefix, 'Could not find exports file')
+ return callback(new Error(msg))
+ }
+ }
+
+ // this logic ported from the old `gyp_addon` python file
+ var gyp_script = path.resolve(__dirname, '..', 'gyp', 'gyp_main.py')
+ var addon_gypi = path.resolve(__dirname, '..', 'addon.gypi')
+ var common_gypi = path.resolve(nodeDir, 'include/node/common.gypi')
+ fs.stat(common_gypi, function (err, stat) {
+ if (err)
+ common_gypi = path.resolve(nodeDir, 'common.gypi')
+
+ var output_dir = 'build'
+ if (win) {
+ // Windows expects an absolute path
+ output_dir = buildDir
+ }
+ var nodeGypDir = path.resolve(__dirname, '..')
+
+ argv.push('-I', addon_gypi)
+ argv.push('-I', common_gypi)
+ argv.push('-Dlibrary=shared_library')
+ argv.push('-Dvisibility=default')
+ argv.push('-Dnode_root_dir=' + nodeDir)
+ if (process.platform === 'aix') {
+ argv.push('-Dnode_exp_file=' + node_exp_file)
+ }
+ argv.push('-Dnode_gyp_dir=' + nodeGypDir)
+ argv.push('-Dnode_lib_file=' + release.name + '.lib')
+ argv.push('-Dmodule_root_dir=' + process.cwd())
+ argv.push('--depth=.')
+ argv.push('--no-parallel')
+
+ // tell gyp to write the Makefile/Solution files into output_dir
+ argv.push('--generator-output', output_dir)
+
+ // tell make to write its output into the same dir
+ argv.push('-Goutput_dir=.')
+
+ // enforce use of the "binding.gyp" file
+ argv.unshift('binding.gyp')
+
+ // execute `gyp` from the current target nodedir
+ argv.unshift(gyp_script)
+
+ // make sure python uses files that came with this particular node package
+ var pypath = new PathArray(process.env, 'PYTHONPATH')
+ pypath.unshift(path.join(__dirname, '..', 'gyp', 'pylib'))
+
+ var cp = gyp.spawn(python, argv)
+ cp.on('exit', onCpExit)
+ })
+ }
+
+ /**
+ * Called when the `gyp` child process exits.
+ */
+
+ function onCpExit (code, signal) {
+ if (code !== 0) {
+ callback(new Error('`gyp` failed with exit code: ' + code))
+ } else {
+ // we're done
+ callback()
+ }
+ }
+
+}
+
+/**
+ * Returns the first file or directory from an array of candidates that is
+ * readable by the current user, or undefined if none of the candidates are
+ * readable.
+ */
+function findAccessibleSync (logprefix, dir, candidates) {
+ for (var next = 0; next < candidates.length; next++) {
+ var candidate = path.resolve(dir, candidates[next])
+ try {
+ var fd = fs.openSync(candidate, 'r')
+ } catch (e) {
+ // this candidate was not found or not readable, do nothing
+ log.silly(logprefix, 'Could not open %s: %s', candidate, e.message)
+ continue
+ }
+ fs.closeSync(fd)
+ log.silly(logprefix, 'Found readable %s', candidate)
+ return candidate
+ }
+
+ return undefined
+}
+
+function findPython (python, callback) {
+ checkPython()
+
+ // Check if Python is in the $PATH
+ function checkPython () {
+ log.verbose('check python', 'checking for Python executable "%s" in the PATH', python)
+ which(python, function (err, execPath) {
+ if (err) {
+ log.verbose('`which` failed', python, err)
+ if (python === 'python2') {
+ python = 'python'
+ return checkPython()
+ }
+ if (win) {
+ checkPythonLauncher()
+ } else {
+ failNoPython()
+ }
+ } else {
+ log.verbose('`which` succeeded', python, execPath)
+ // Found the `python` exceutable, and from now on we use it explicitly.
+ // This solves #667 and #750 (`execFile` won't run batch files
+ // (*.cmd, and *.bat))
+ python = execPath
+ checkPythonVersion()
+ }
+ })
+ }
+
+ // Distributions of Python on Windows by default install with the "py.exe"
+ // Python launcher which is more likely to exist than the Python executable
+ // being in the $PATH.
+ // Because the Python launcher supports all versions of Python, we have to
+ // explicitly request a Python 2 version. This is done by supplying "-2" as
+ // the first command line argument. Since "py.exe -2" would be an invalid
+ // executable for "execFile", we have to use the launcher to figure out
+ // where the actual "python.exe" executable is located.
+ function checkPythonLauncher () {
+ log.verbose('could not find "' + python + '". checking python launcher')
+ var env = extend({}, process.env)
+ env.TERM = 'dumb'
+
+ var launcherArgs = ['-2', '-c', 'import sys; print sys.executable']
+ execFile('py.exe', launcherArgs, { env: env }, function (err, stdout) {
+ if (err) {
+ guessPython()
+ return
+ }
+ python = stdout.trim()
+ log.verbose('check python launcher', 'python executable found: %j', python)
+ checkPythonVersion()
+ })
+ }
+
+ // Called on Windows when "python" isn't available in the current $PATH.
+ // We're gonna check if "%SystemDrive%\python27\python.exe" exists.
+ function guessPython () {
+ log.verbose('could not find "' + python + '". guessing location')
+ var rootDir = process.env.SystemDrive || 'C:\\'
+ if (rootDir[rootDir.length - 1] !== '\\') {
+ rootDir += '\\'
+ }
+ var pythonPath = path.resolve(rootDir, 'Python27', 'python.exe')
+ log.verbose('ensuring that file exists:', pythonPath)
+ fs.stat(pythonPath, function (err, stat) {
+ if (err) {
+ if (err.code == 'ENOENT') {
+ failNoPython()
+ } else {
+ callback(err)
+ }
+ return
+ }
+ python = pythonPath
+ checkPythonVersion()
+ })
+ }
+
+ function checkPythonVersion () {
+ var env = extend({}, process.env)
+ env.TERM = 'dumb'
+
+ execFile(python, ['-c', 'import platform; print(platform.python_version());'], { env: env }, function (err, stdout) {
+ if (err) {
+ return callback(err)
+ }
+ log.verbose('check python version', '`%s -c "import platform; print(platform.python_version());"` returned: %j', python, stdout)
+ var version = stdout.trim()
+ if (~version.indexOf('+')) {
+ log.silly('stripping "+" sign(s) from version')
+ version = version.replace(/\+/g, '')
+ }
+ if (~version.indexOf('rc')) {
+ log.silly('stripping "rc" identifier from version')
+ version = version.replace(/rc(.*)$/ig, '')
+ }
+ var range = semver.Range('>=2.5.0 <3.0.0')
+ var valid = false
+ try {
+ valid = range.test(version)
+ } catch (e) {
+ log.silly('range.test() error', e)
+ }
+ if (valid) {
+ callback(null, python)
+ } else {
+ failPythonVersion(version)
+ }
+ })
+ }
+
+ function failNoPython () {
+ callback(new Error('Can\'t find Python executable "' + python +
+ '", you can set the PYTHON env variable.'))
+ }
+
+ function failPythonVersion (badVersion) {
+ callback(new Error('Python executable "' + python +
+ '" is v' + badVersion + ', which is not supported by gyp.\n' +
+ 'You can pass the --python switch to point to Python >= v2.5.0 & < 3.0.0.'))
+ }
+}
Code Review / simantics / district.git / blobdiff