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Current Path : /usr/local/lib/node_modules/npm/node_modules/node-gyp/lib/
Linux 43-225-53-84.webhostbox.net 3.10.0-1160.92.1.el7.x86_64 #1 SMP Tue Jun 20 11:48:01 UTC 2023 x86_64
Current File : //usr/local/lib/node_modules/npm/node_modules/node-gyp/lib/configure.js
module.exports = exports = configure

/**
 * Module dependencies.
 */

var fs = require('graceful-fs')
  , path = require('path')
  , glob = require('glob')
  , log = require('npmlog')
  , osenv = require('osenv')
  , which = require('which')
  , semver = require('semver')
  , mkdirp = require('mkdirp')
  , cp = require('child_process')
  , extend = require('util')._extend
  , spawn = cp.spawn
  , execFile = cp.execFile
  , win = process.platform == 'win32'

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 || 'python'
    , buildDir = path.resolve('build')
    , configNames = [ 'config.gypi', 'common.gypi' ]
    , configs = []
    , nodeDir

  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 (win) {
          guessPython()
        } else {
          failNoPython()
        }
      } else {
        log.verbose('`which` succeeded', python, execPath)
        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')
      if (range.test(version)) {
        getNodeDir()
      } 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.'))
  }

  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
      var version
      var versionStr

      if (gyp.opts.target) {
        // if --target was given, then determine a target version to compile for
        versionStr = gyp.opts.target
        log.verbose('get node dir', 'compiling against --target node version: %s', versionStr)
      } else {
        // if no --target was specified then use the current host node version
        versionStr = process.version
        log.verbose('get node dir', 'no --target version specified, falling back to host node version: %s', versionStr)
      }

      // make sure we have a valid version
      try {
        version = semver.parse(versionStr)
      } catch (e) {
        return callback(e)
      }
      if (!version) {
        return callback(new Error('Invalid version number: ' + versionStr))
      }

      // ensure that the target node version's dev files are installed
      gyp.opts.ensure = true
      gyp.commands.install([ versionStr ], function (err, version) {
        if (err) return callback(err)
        log.verbose('get node dir', 'target node version installed:', version)
        nodeDir = path.resolve(gyp.devDir, version)
        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)
    })

    // 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, 'common.gypi')
    var output_dir = 'build'
    if (win) {
      // Windows expects an absolute path
      output_dir = buildDir
    }

    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)
    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
    process.env.PYTHONPATH = path.resolve(__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()
    }
  }

}
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