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simpledash/bulma/node_modules/node-gyp/lib/configure.js

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module.exports = exports = configure
module.exports.test = {
PythonFinder: PythonFinder,
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')
, extend = require('util')._extend
, processRelease = require('./process-release')
, win = process.platform === 'win32'
, findNodeDirectory = require('./find-node-directory')
, msgFormat = require('util').format
if (win)
var findVS2017 = require('./find-vs2017')
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))
}
// If the tarball option is set, always remove and reinstall the headers
// into devdir. Otherwise only install if they're not already there.
gyp.opts.ensure = gyp.opts.tarball ? false : 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)
if (win && (!gyp.opts.msvs_version || gyp.opts.msvs_version === '2017')) {
findVS2017(function (err, vsSetup) {
if (err) {
log.verbose('Not using VS2017:', err.message)
createConfigFile()
} else {
createConfigFile(null, vsSetup)
}
})
} else {
createConfigFile()
}
})
}
function createConfigFile (err, vsSetup) {
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
// disable -T "thin" static archives by default
variables.standalone_static_library = gyp.opts.thin ? 0 : 1
if (vsSetup) {
// GYP doesn't (yet) have support for VS2017, so we force it to VS2015
// to avoid pulling a floating patch that has not landed upstream.
// Ref: https://chromium-review.googlesource.com/#/c/433540/
gyp.opts.msvs_version = '2015'
process.env['GYP_MSVS_VERSION'] = 2015
process.env['GYP_MSVS_OVERRIDE_PATH'] = vsSetup.path
defaults['msbuild_toolset'] = 'v141'
defaults['msvs_windows_target_platform_version'] = vsSetup.sdk
variables['msbuild_path'] = path.join(vsSetup.path, 'MSBuild', '15.0',
'Bin', 'MSBuild.exe')
}
// 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 and z/OS we need to set up the path to the exports file
// which contains the symbols needed for linking.
var node_exp_file = undefined
if (process.platform === 'aix' || process.platform === 'os390') {
var ext = process.platform === 'aix' ? 'exp' : 'x'
var node_root_dir = findNodeDirectory()
var candidates = undefined
if (process.platform === 'aix') {
candidates = ['include/node/node',
'out/Release/node',
'out/Debug/node',
'node'
].map(function(file) {
return file + '.' + ext
})
} else {
candidates = ['out/Release/obj.target/libnode',
'out/Debug/obj.target/libnode',
'lib/libnode'
].map(function(file) {
return file + '.' + ext
})
}
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.%s file in %s', ext, 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, '..')
var nodeLibFile = path.join(nodeDir,
!gyp.opts.nodedir ? '<(target_arch)' : '$(Configuration)',
release.name + '.lib')
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' || process.platform === 'os390') {
argv.push('-Dnode_exp_file=' + node_exp_file)
}
argv.push('-Dnode_gyp_dir=' + nodeGypDir)
argv.push('-Dnode_lib_file=' + nodeLibFile)
argv.push('-Dmodule_root_dir=' + process.cwd())
argv.push('-Dnode_engine=' +
(gyp.opts.node_engine || process.jsEngine || 'v8'))
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 = [path.join(__dirname, '..', 'gyp', 'pylib')]
if (process.env.PYTHONPATH) {
pypath.push(process.env.PYTHONPATH)
}
process.env.PYTHONPATH = pypath.join(win ? ';' : ':')
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 PythonFinder(python, callback) {
this.callback = callback
this.python = python
}
PythonFinder.prototype = {
checkPythonLauncherDepth: 0,
env: process.env,
execFile: cp.execFile,
log: log,
resolve: path.win32 && path.win32.resolve || path.resolve,
stat: fs.stat,
which: which,
win: win,
checkPython: function checkPython () {
this.log.verbose('check python',
'checking for Python executable "%s" in the PATH',
this.python)
this.which(this.python, function (err, execPath) {
if (err) {
this.log.verbose('`which` failed', this.python, err)
if (this.python === 'python2') {
this.python = 'python'
return this.checkPython()
}
if (this.win) {
this.checkPythonLauncher()
} else {
this.failNoPython()
}
} else {
this.log.verbose('`which` succeeded', this.python, execPath)
// Found the `python` executable, and from now on we use it explicitly.
// This solves #667 and #750 (`execFile` won't run batch files
// (*.cmd, and *.bat))
this.python = execPath
this.checkPythonVersion()
}
}.bind(this))
},
// 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.
checkPythonLauncher: function checkPythonLauncher () {
this.checkPythonLauncherDepth += 1
this.log.verbose(
'could not find "' + this.python + '". checking python launcher')
var env = extend({}, this.env)
env.TERM = 'dumb'
var launcherArgs = ['-2', '-c', 'import sys; print sys.executable']
this.execFile('py.exe', launcherArgs, { env: env }, function (err, stdout) {
if (err) {
this.guessPython()
} else {
this.python = stdout.trim()
this.log.verbose('check python launcher',
'python executable found: %j',
this.python)
this.checkPythonVersion()
}
this.checkPythonLauncherDepth -= 1
}.bind(this))
},
checkPythonVersion: function checkPythonVersion () {
var args = ['-c', 'import sys; print "%s.%s.%s" % sys.version_info[:3];']
var env = extend({}, this.env)
env.TERM = 'dumb'
this.execFile(this.python, args, { env: env }, function (err, stdout) {
if (err) {
return this.callback(err)
}
this.log.verbose('check python version',
'`%s -c "' + args[1] + '"` returned: %j',
this.python, stdout)
var version = stdout.trim()
var range = semver.Range('>=2.5.0 <3.0.0')
var valid = false
try {
valid = range.test(version)
} catch (e) {
this.log.silly('range.test() error', e)
}
if (valid) {
this.callback(null, this.python)
} else if (this.win && this.checkPythonLauncherDepth === 0) {
this.checkPythonLauncher()
} else {
this.failPythonVersion(version)
}
}.bind(this))
},
failNoPython: function failNoPython () {
var errmsg =
'Can\'t find Python executable "' + this.python +
'", you can set the PYTHON env variable.'
this.callback(new Error(errmsg))
},
failPythonVersion: function failPythonVersion (badVersion) {
var errmsg =
'Python executable "' + this.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.'
this.callback(new Error(errmsg))
},
// Called on Windows when "python" isn't available in the current $PATH.
// We are going to check if "%SystemDrive%\python27\python.exe" exists.
guessPython: function guessPython () {
this.log.verbose('could not find "' + this.python + '". guessing location')
var rootDir = this.env.SystemDrive || 'C:\\'
if (rootDir[rootDir.length - 1] !== '\\') {
rootDir += '\\'
}
var pythonPath = this.resolve(rootDir, 'Python27', 'python.exe')
this.log.verbose('ensuring that file exists:', pythonPath)
this.stat(pythonPath, function (err, stat) {
if (err) {
if (err.code == 'ENOENT') {
this.failNoPython()
} else {
this.callback(err)
}
return
}
this.python = pythonPath
this.checkPythonVersion()
}.bind(this))
},
}
function findPython (python, callback) {
var finder = new PythonFinder(python, callback)
finder.checkPython()
}