codekingpro/portable-devtools

1'use strict'
2
3const fs = require('graceful-fs').promises
4const log = require('./log')
5const path = require('path')
6
7function parseConfigGypi (config) {
8  // translated from tools/js2c.py of Node.js
9  // 1. string comments
10  config = config.replace(/#.*/g, '')
11  // 2. join multiline strings
12  config = config.replace(/'$\s+'/mg, '')
13  // 3. normalize string literals from ' into "
14  config = config.replace(/'/g, '"')
15  return JSON.parse(config)
16}
17
18async function getBaseConfigGypi ({ gyp, nodeDir }) {
19  // try reading $nodeDir/include/node/config.gypi first when:
20  // 1. --dist-url or --nodedir is specified
21  // 2. and --force-process-config is not specified
22  const useCustomHeaders = gyp.opts.nodedir || gyp.opts.disturl || gyp.opts['dist-url']
23  const shouldReadConfigGypi = useCustomHeaders && !gyp.opts['force-process-config']
24  if (shouldReadConfigGypi && nodeDir) {
25    try {
26      const baseConfigGypiPath = path.resolve(nodeDir, 'include/node/config.gypi')
27      const baseConfigGypi = await fs.readFile(baseConfigGypiPath)
28      return parseConfigGypi(baseConfigGypi.toString())
29    } catch (err) {
30      log.warn('read config.gypi', err.message)
31    }
32  }
33
34  // fallback to process.config if it is invalid
35  return JSON.parse(JSON.stringify(process.config))
36}
37
38async function getCurrentConfigGypi ({ gyp, nodeDir, vsInfo, python }) {
39  const config = await getBaseConfigGypi({ gyp, nodeDir })
40  if (!config.target_defaults) {
41    config.target_defaults = {}
42  }
43  if (!config.variables) {
44    config.variables = {}
45  }
46
47  const defaults = config.target_defaults
48  const variables = config.variables
49
50  // don't inherit the "defaults" from the base config.gypi.
51  // doing so could cause problems in cases where the `node` executable was
52  // compiled on a different machine (with different lib/include paths) than
53  // the machine where the addon is being built to
54  defaults.cflags = []
55  defaults.defines = []
56  defaults.include_dirs = []
57  defaults.libraries = []
58
59  // set the default_configuration prop
60  if ('debug' in gyp.opts) {
61    defaults.default_configuration = gyp.opts.debug ? 'Debug' : 'Release'
62  }
63
64  if (!defaults.default_configuration) {
65    defaults.default_configuration = 'Release'
66  }
67
68  // set the target_arch variable
69  variables.target_arch = gyp.opts.arch || process.arch || 'ia32'
70  if (variables.target_arch === 'arm64') {
71    defaults.msvs_configuration_platform = 'ARM64'
72    defaults.xcode_configuration_platform = 'arm64'
73  }
74
75  // set the node development directory
76  variables.nodedir = nodeDir
77
78  // set the configured Python path
79  variables.python = python
80
81  // disable -T "thin" static archives by default
82  variables.standalone_static_library = gyp.opts.thin ? 0 : 1
83
84  if (process.platform === 'win32') {
85    defaults.msbuild_toolset = vsInfo.toolset
86    if (vsInfo.sdk) {
87      defaults.msvs_windows_target_platform_version = vsInfo.sdk
88    }
89    if (variables.target_arch === 'arm64') {
90      if (vsInfo.versionMajor > 15 ||
91          (vsInfo.versionMajor === 15 && vsInfo.versionMajor >= 9)) {
92        defaults.msvs_enable_marmasm = 1
93      } else {
94        log.warn('Compiling ARM64 assembly is only available in\n' +
95          'Visual Studio 2017 version 15.9 and above')
96      }
97    }
98    variables.msbuild_path = vsInfo.msBuild
99    if (config.variables.clang === 1) {
100      config.variables.clang = 0
101    }
102  }
103
104  // loop through the rest of the opts and add the unknown ones as variables.
105  // this allows for module-specific configure flags like:
106  //
107  //   $ node-gyp configure --shared-libxml2
108  Object.keys(gyp.opts).forEach(function (opt) {
109    if (opt === 'argv') {
110      return
111    }
112    if (opt in gyp.configDefs) {
113      return
114    }
115    variables[opt.replace(/-/g, '_')] = gyp.opts[opt]
116  })
117
118  return config
119}
120
121async function createConfigGypi ({ gyp, buildDir, nodeDir, vsInfo, python }) {
122  const configFilename = 'config.gypi'
123  const configPath = path.resolve(buildDir, configFilename)
124
125  log.verbose('build/' + configFilename, 'creating config file')
126
127  const config = await getCurrentConfigGypi({ gyp, nodeDir, vsInfo, python })
128
129  // ensures that any boolean values in config.gypi get stringified
130  function boolsToString (k, v) {
131    if (typeof v === 'boolean') {
132      return String(v)
133    }
134    return v
135  }
136
137  log.silly('build/' + configFilename, config)
138
139  // now write out the config.gypi file to the build/ dir
140  const prefix = '# Do not edit. File was generated by node-gyp\'s "configure" step'
141
142  const json = JSON.stringify(config, boolsToString, 2)
143  log.verbose('build/' + configFilename, 'writing out config file: %s', configPath)
144  await fs.writeFile(configPath, [prefix, json, ''].join('\n'))
145
146  return configPath
147}
148
149module.exports = {
150  createConfigGypi,
151  parseConfigGypi,
152  getCurrentConfigGypi
153}
154