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1#!/usr/bin/env python3
2# Copyright 2014 The Chromium Authors. All rights reserved.
3# Use of this source code is governed by a BSD-style license that can be
4# found in the LICENSE file.
5
6"""Generates build.ninja that will build GN."""
7
8import argparse
9import os
10import platform
11import re
12import shlex
13import subprocess
14import sys
15
16# IMPORTANT: This script is also executed as python2 on
17# GN's CI builders.
18
19try:  # py3
20    from shlex import quote as shell_quote
21except ImportError:  # py2
22    from pipes import quote as shell_quote
23
24SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))
25REPO_ROOT = os.path.dirname(SCRIPT_DIR)
26
27class Platform(object):
28  """Represents a host/target platform."""
29  def __init__(self, platform):
30    self._platform = platform
31    if self._platform is not None:
32      return
33    self._platform = sys.platform
34    if self._platform.startswith('linux'):
35      self._platform = 'linux'
36    elif self._platform.startswith('darwin'):
37      self._platform = 'darwin'
38    elif self._platform.startswith('mingw'):
39      self._platform = 'mingw'
40    elif self._platform.startswith('msys'):
41      self._platform = 'msys'
42    elif self._platform.startswith('win'):
43      self._platform = 'msvc'
44    elif self._platform.startswith('aix'):
45      self._platform = 'aix'
46    elif self._platform.startswith('fuchsia'):
47      self._platform = 'fuchsia'
48    elif self._platform.startswith('freebsd'):
49      self._platform = 'freebsd'
50    elif self._platform.startswith('netbsd'):
51      self._platform = 'netbsd'
52    elif self._platform.startswith('openbsd'):
53      self._platform = 'openbsd'
54    elif self._platform.startswith('haiku'):
55      self._platform = 'haiku'
56    elif self._platform.startswith('sunos'):
57      self._platform = 'solaris'
58    elif self._platform.startswith('zos'):
59      self._platform = 'zos'
60
61  @staticmethod
62  def known_platforms():
63    return ['linux', 'darwin', 'mingw', 'msys', 'msvc', 'aix', 'fuchsia', 'freebsd', 'netbsd', 'openbsd', 'haiku', 'solaris', 'zos']
64
65  def platform(self):
66    return self._platform
67
68  def is_linux(self):
69    return self._platform == 'linux'
70
71  def is_mingw(self):
72    return self._platform == 'mingw'
73
74  def is_msys(self):
75    return self._platform == 'msys'
76
77  def is_msvc(self):
78    return self._platform == 'msvc'
79
80  def is_windows(self):
81    return self.is_mingw() or self.is_msvc()
82
83  def is_darwin(self):
84    return self._platform == 'darwin'
85
86  def is_aix(self):
87    return self._platform == 'aix'
88
89  def is_haiku(self):
90    return self._platform == 'haiku'
91
92  def is_solaris(self):
93    return self._platform == 'solaris'
94
95  def is_posix(self):
96    return self._platform in ['linux', 'freebsd', 'darwin', 'aix', 'openbsd', 'haiku', 'solaris', 'msys', 'netbsd']
97
98  def is_zos(self):
99    return self._platform == 'zos'
100
101class ArgumentsList:
102  """Helper class to accumulate ArgumentParser argument definitions
103  and be able to regenerate a corresponding command-line to be
104  written in the generated Ninja file for the 'regen' rule.
105  """
106  def __init__(self):
107    self._arguments = []
108
109  def add(self, *args, **kwargs):
110    """Add an argument definition, use as argparse.ArgumentParser.add_argument()."""
111    self._arguments.append((args, kwargs))
112
113  def add_to_parser(self, parser):
114    """Add all known arguments to parser."""
115    for args, kwargs in self._arguments:
116      parser.add_argument(*args, **kwargs)
117
118  def gen_command_line_args(self, parser_arguments):
119    """Generate a gen.py argument list to be embedded in a Ninja file."""
120    result = []
121    for args, kwargs in self._arguments:
122      if len(args) == 2:
123        long_option = args[1]
124      else:
125        long_option = args[0]
126      dest = kwargs.get('dest', None)
127      if dest is None:
128        assert long_option.startswith('--')
129        dest = long_option[2:].replace('-', '_')
130
131      if getattr(parser_arguments, dest, None) is None:
132        # This was not set on the command-line so skip it.
133        continue
134
135      action = kwargs.get('action', None)
136      if action == 'store_true':
137        if getattr(parser_arguments, dest):
138          result.append(long_option)
139      elif action == 'store' or action is None:
140        result.append('%s=%s' % (long_option, getattr(parser_arguments, dest)))
141      elif action == 'append':
142        for item in getattr(parser_arguments, dest):
143          result.append('%s=%s' % (long_option, item))
144      else:
145        assert action is None, "Unsupported action " + action
146    return ' '.join(shell_quote(item) for item in result)
147
148
149def main(argv):
150  parser = argparse.ArgumentParser(description=sys.modules[__name__].__doc__)
151  args_list = ArgumentsList()
152
153  args_list.add('-d', '--debug', action='store_true',
154                    help='Do a debug build. Defaults to release build.')
155  args_list.add('--platform',
156                    help='target platform (' +
157                         '/'.join(Platform.known_platforms()) + ')',
158                    choices=Platform.known_platforms())
159  args_list.add('--host',
160                    help='host platform (' +
161                         '/'.join(Platform.known_platforms()) + ')',
162                    choices=Platform.known_platforms())
163  args_list.add('--use-lto', action='store_true',
164                    help='Enable the use of LTO')
165  args_list.add('--use-icf', action='store_true',
166                    help='Enable the use of Identical Code Folding')
167  args_list.add('--no-last-commit-position', action='store_true',
168                    help='Do not generate last_commit_position.h.')
169  args_list.add('--out-path',
170                    help='The path to generate the build files in.')
171  args_list.add('--no-strip', action='store_true',
172                    help='Don\'t strip release build. Useful for profiling.')
173  args_list.add('--no-static-libstdc++', action='store_true',
174                    default=False, dest='no_static_libstdcpp',
175                    help='Don\'t link libstdc++ statically')
176  args_list.add('--link-lib',
177                    action='append',
178                    metavar='LINK_LIB',
179                    default=[],
180                    dest='link_libs',
181                    help=('Add a library to the final executable link. ' +
182                          'LINK_LIB must be the path to a static or shared ' +
183                          'library, or \'-l<name>\' on POSIX systems. Can be ' +
184                          'used multiple times. Useful to link custom malloc ' +
185                          'or cpu profiling libraries.'))
186  if sys.platform == 'zos':
187    args_list.add('--zoslib-dir',
188                      action='store',
189                      default='../third_party/zoslib',
190                      dest='zoslib_dir',
191                      help=('Specify the path of ZOSLIB directory, to link ' +
192                            'with <ZOSLIB_DIR>/install/lib/libzoslib.a, and ' +
193                            'add -I<ZOSLIB_DIR>/install/include to the compile ' +
194                            'commands. See README.md for details.'))
195
196  args_list.add_to_parser(parser)
197  options = parser.parse_args(argv)
198
199  platform = Platform(options.platform)
200  if options.host:
201    host = Platform(options.host)
202  else:
203    host = platform
204
205  out_dir = options.out_path or os.path.join(REPO_ROOT, 'out')
206  if not os.path.isdir(out_dir):
207    os.makedirs(out_dir)
208  if not options.no_last_commit_position:
209    GenerateLastCommitPosition(host,
210                               os.path.join(out_dir, 'last_commit_position.h'))
211  WriteGNNinja(os.path.join(out_dir, 'build.ninja'), platform, host, options, args_list)
212  return 0
213
214
215def GenerateLastCommitPosition(host, header):
216  year = "2021"
217  commitID = "1cdd270b"
218  contents = '''// Generated by build/gen.py.
219
220#ifndef OUT_LAST_COMMIT_POSITION_H_
221#define OUT_LAST_COMMIT_POSITION_H_
222
223#define LAST_COMMIT_POSITION_NUM %s
224#define LAST_COMMIT_POSITION "%s (%s)"
225
226#endif  // OUT_LAST_COMMIT_POSITION_H_
227''' % (year, year, commitID)
228  with open(header, 'w') as f:
229    f.write(contents)
230
231
232def WriteGenericNinja(path, static_libraries, executables,
233                      cxx, ar, ld, platform, host, options,
234                      args_list, cflags=[], ldflags=[],
235                      libflags=[], include_dirs=[], solibs=[]):
236  args = args_list.gen_command_line_args(options)
237  if args:
238    args = " " + args
239
240  ninja_header_lines = [
241    'cxx = ' + cxx,
242    'ar = ' + ar,
243    'ld = ' + ld,
244    '',
245    'rule regen',
246    '  command = %s ../build/gen.py%s' % (sys.executable, args),
247    '  description = Regenerating ninja files',
248    '',
249    'build build.ninja: regen',
250    '  generator = 1',
251    '  depfile = build.ninja.d',
252    '',
253  ]
254
255
256  template_filename = os.path.join(SCRIPT_DIR, {
257      'msvc': 'build_win.ninja.template',
258      'mingw': 'build_linux.ninja.template',
259      'msys': 'build_linux.ninja.template',
260      'darwin': 'build_mac.ninja.template',
261      'linux': 'build_linux.ninja.template',
262      'freebsd': 'build_linux.ninja.template',
263      'aix': 'build_aix.ninja.template',
264      'openbsd': 'build_openbsd.ninja.template',
265      'haiku': 'build_haiku.ninja.template',
266      'solaris': 'build_linux.ninja.template',
267      'netbsd': 'build_linux.ninja.template',
268      'zos': 'build_zos.ninja.template',
269  }[platform.platform()])
270
271  with open(template_filename) as f:
272    ninja_template = f.read()
273
274  if platform.is_windows():
275    executable_ext = '.exe'
276    library_ext = '.lib'
277    object_ext = '.obj'
278  else:
279    executable_ext = ''
280    library_ext = '.a'
281    object_ext = '.o'
282
283  def escape_path_ninja(path):
284      return path.replace('$ ', '$$ ').replace(' ', '$ ').replace(':', '$:')
285
286  def src_to_obj(path):
287    return escape_path_ninja('%s' % os.path.splitext(path)[0] + object_ext)
288
289  def library_to_a(library):
290    return '%s%s' % (library, library_ext)
291
292  ninja_lines = []
293  def build_source(src_file, settings):
294    ninja_lines.extend([
295        'build %s: cxx %s' % (src_to_obj(src_file),
296                              escape_path_ninja(
297                                  os.path.relpath(
298                                      os.path.join(REPO_ROOT, src_file),
299                                      os.path.dirname(path)))),
300        '  includes = %s' % ' '.join(
301            ['-I' + escape_path_ninja(dirname) for dirname in include_dirs]),
302        '  cflags = %s' % ' '.join(cflags),
303    ])
304
305  for library, settings in static_libraries.items():
306    for src_file in settings['sources']:
307      build_source(src_file, settings)
308
309    ninja_lines.append('build %s: alink_thin %s' % (
310        library_to_a(library),
311        ' '.join([src_to_obj(src_file) for src_file in settings['sources']])))
312    ninja_lines.append('  libflags = %s' % ' '.join(libflags))
313
314
315  for executable, settings in executables.items():
316    for src_file in settings['sources']:
317      build_source(src_file, settings)
318
319    ninja_lines.extend([
320      'build %s%s: link %s | %s' % (
321          executable, executable_ext,
322          ' '.join([src_to_obj(src_file) for src_file in settings['sources']]),
323          ' '.join([library_to_a(library) for library in settings['libs']])),
324      '  ldflags = %s' % ' '.join(ldflags),
325      '  solibs = %s' % ' '.join(solibs),
326      '  libs = %s' % ' '.join(
327          [library_to_a(library) for library in settings['libs']]),
328    ])
329
330  ninja_lines.append('')  # Make sure the file ends with a newline.
331
332  with open(path, 'w') as f:
333    f.write('\n'.join(ninja_header_lines))
334    f.write(ninja_template)
335    f.write('\n'.join(ninja_lines))
336
337  with open(path + '.d', 'w') as f:
338    f.write('build.ninja: ' +
339            os.path.relpath(os.path.join(SCRIPT_DIR, 'gen.py'),
340                            os.path.dirname(path)) + ' ' +
341            os.path.relpath(template_filename, os.path.dirname(path)) + '\n')
342
343
344def WriteGNNinja(path, platform, host, options, args_list):
345  if platform.is_msvc():
346    cxx = os.environ.get('CXX', 'cl.exe')
347    ld = os.environ.get('LD', 'link.exe')
348    ar = os.environ.get('AR', 'lib.exe')
349  elif platform.is_aix():
350    cxx = os.environ.get('CXX', 'g++')
351    ld = os.environ.get('LD', 'g++')
352    ar = os.environ.get('AR', 'ar -X64')
353  elif platform.is_msys() or platform.is_mingw():
354    cxx = os.environ.get('CXX', 'g++')
355    ld = os.environ.get('LD', 'g++')
356    ar = os.environ.get('AR', 'ar')
357  else:
358    cxx = os.environ.get('CXX', 'clang++')
359    ld = cxx
360    ar = os.environ.get('AR', 'ar')
361
362  cflags = os.environ.get('CFLAGS', '').split()
363  cflags += os.environ.get('CXXFLAGS', '').split()
364  ldflags = os.environ.get('LDFLAGS', '').split()
365  libflags = os.environ.get('LIBFLAGS', '').split()
366  include_dirs = [
367      os.path.relpath(os.path.join(REPO_ROOT, 'src'), os.path.dirname(path)),
368      '.',
369  ]
370  if platform.is_zos():
371    include_dirs += [ options.zoslib_dir + '/install/include' ]
372
373  libs = []
374
375  if not platform.is_msvc():
376    if options.debug:
377      cflags.extend(['-O0', '-g'])
378    else:
379      cflags.append('-DNDEBUG')
380      cflags.append('-O3')
381      if options.no_strip:
382        cflags.append('-g')
383      ldflags.append('-O3')
384      # Use -fdata-sections and -ffunction-sections to place each function
385      # or data item into its own section so --gc-sections can eliminate any
386      # unused functions and data items.
387      cflags.extend(['-fdata-sections', '-ffunction-sections'])
388      ldflags.extend(['-fdata-sections', '-ffunction-sections'])
389      if platform.is_darwin():
390        ldflags.append('-Wl,-dead_strip')
391      elif not platform.is_aix() and not platform.is_solaris() and not platform.is_zos():
392        # Garbage collection is done by default on aix, and option is unsupported on z/OS.
393        ldflags.append('-Wl,--gc-sections')
394
395      # Omit all symbol information from the output file.
396      if options.no_strip is None:
397        if platform.is_darwin():
398          ldflags.append('-Wl,-S')
399        elif platform.is_aix():
400          ldflags.append('-Wl,-s')
401        elif platform.is_solaris():
402          ldflags.append('-Wl,--strip-all')
403        elif not platform.is_zos():
404          # /bin/ld on z/OS doesn't have an equivalent option.
405          ldflags.append('-Wl,-strip-all')
406
407      # Enable identical code-folding.
408      if options.use_icf and not platform.is_darwin():
409        ldflags.append('-Wl,--icf=all')
410
411      if options.use_lto:
412        cflags.extend(['-flto', '-fwhole-program-vtables'])
413        ldflags.extend(['-flto', '-fwhole-program-vtables'])
414
415    cflags.extend([
416        '-D_FILE_OFFSET_BITS=64',
417        '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS',
418        '-pthread',
419        '-pipe',
420        '-fno-exceptions',
421        '-fno-rtti',
422        '-fdiagnostics-color',
423        '-Wall',
424        '-Wextra',
425        '-Wno-unused-parameter',
426        '-std=c++17'
427    ])
428
429    if platform.is_linux() or platform.is_mingw() or platform.is_msys():
430      ldflags.append('-Wl,--as-needed')
431
432      if not options.no_static_libstdcpp:
433        ldflags.append('-static-libstdc++')
434
435      if platform.is_mingw() or platform.is_msys():
436        cflags.remove('-std=c++17')
437        cflags.extend([
438          '-Wno-deprecated-copy',
439          '-Wno-implicit-fallthrough',
440          '-Wno-redundant-move',
441          '-Wno-unused-variable',
442          '-Wno-format',             # Use of %llx, which is supported by _UCRT, false positive
443          '-Wno-strict-aliasing',    # Dereferencing punned pointer
444          '-Wno-cast-function-type', # Casting FARPROC to RegDeleteKeyExPtr
445          '-std=gnu++17',
446        ])
447      else:
448        # This is needed by libc++.
449        libs.append('-ldl')
450    elif platform.is_darwin():
451      min_mac_version_flag = '-mmacosx-version-min=10.9'
452      cflags.append(min_mac_version_flag)
453      ldflags.append(min_mac_version_flag)
454    elif platform.is_aix():
455      cflags.append('-maix64')
456      ldflags.append('-maix64')
457    elif platform.is_haiku():
458      cflags.append('-fPIC')
459      cflags.extend(['-D_BSD_SOURCE'])
460    elif platform.is_zos():
461      cflags.append('-fzos-le-char-mode=ascii')
462      cflags.append('-Wno-unused-function')
463      cflags.append('-D_OPEN_SYS_FILE_EXT')
464      cflags.append('-DPATH_MAX=1024')
465
466    if platform.is_posix() and not platform.is_haiku():
467      ldflags.append('-pthread')
468
469    if platform.is_mingw() or platform.is_msys():
470      cflags.extend(['-DUNICODE',
471                     '-DNOMINMAX',
472                     '-DWIN32_LEAN_AND_MEAN',
473                     '-DWINVER=0x0A00',
474                     '-D_CRT_SECURE_NO_DEPRECATE',
475                     '-D_SCL_SECURE_NO_DEPRECATE',
476                     '-D_UNICODE',
477                     '-D_WIN32_WINNT=0x0A00',
478                     '-D_HAS_EXCEPTIONS=0'
479      ])
480  elif platform.is_msvc():
481    if not options.debug:
482      cflags.extend(['/O2', '/DNDEBUG', '/Zc:inline'])
483      ldflags.extend(['/OPT:REF'])
484
485      if options.use_icf:
486        libflags.extend(['/OPT:ICF'])
487      if options.use_lto:
488        cflags.extend(['/GL'])
489        libflags.extend(['/LTCG'])
490        ldflags.extend(['/LTCG'])
491
492    cflags.extend([
493        '/DNOMINMAX',
494        '/DUNICODE',
495        '/DWIN32_LEAN_AND_MEAN',
496        '/DWINVER=0x0A00',
497        '/D_CRT_SECURE_NO_DEPRECATE',
498        '/D_SCL_SECURE_NO_DEPRECATE',
499        '/D_UNICODE',
500        '/D_WIN32_WINNT=0x0A00',
501        '/FS',
502        '/W4',
503        '/WX',
504        '/Zi',
505        '/wd4099',
506        '/wd4100',
507        '/wd4127',
508        '/wd4244',
509        '/wd4267',
510        '/wd4505',
511        '/wd4838',
512        '/wd4996',
513        '/std:c++17',
514        '/GR-',
515        '/D_HAS_EXCEPTIONS=0',
516    ])
517
518    ldflags.extend(['/DEBUG', '/MACHINE:x64'])
519
520  static_libraries = {
521      'base': {'sources': [
522        'src/base/command_line.cc',
523        'src/base/environment.cc',
524        'src/base/files/file.cc',
525        'src/base/files/file_enumerator.cc',
526        'src/base/files/file_path.cc',
527        'src/base/files/file_path_constants.cc',
528        'src/base/files/file_util.cc',
529        'src/base/files/scoped_file.cc',
530        'src/base/files/scoped_temp_dir.cc',
531        'src/base/json/json_parser.cc',
532        'src/base/json/json_reader.cc',
533        'src/base/json/json_writer.cc',
534        'src/base/json/string_escape.cc',
535        'src/base/logging.cc',
536        'src/base/md5.cc',
537        'src/base/memory/ref_counted.cc',
538        'src/base/memory/weak_ptr.cc',
539        'src/base/sha1.cc',
540        'src/base/strings/string_number_conversions.cc',
541        'src/base/strings/string_split.cc',
542        'src/base/strings/string_util.cc',
543        'src/base/strings/string_util_constants.cc',
544        'src/base/strings/stringprintf.cc',
545        'src/base/strings/utf_string_conversion_utils.cc',
546        'src/base/strings/utf_string_conversions.cc',
547        'src/base/third_party/icu/icu_utf.cc',
548        'src/base/timer/elapsed_timer.cc',
549        'src/base/value_iterators.cc',
550        'src/base/values.cc',
551      ]},
552      'gn_lib': {'sources': [
553        'src/gn/action_target_generator.cc',
554        'src/gn/action_values.cc',
555        'src/gn/analyzer.cc',
556        'src/gn/args.cc',
557        'src/gn/binary_target_generator.cc',
558        'src/gn/build_settings.cc',
559        'src/gn/builder.cc',
560        'src/gn/builder_record.cc',
561        'src/gn/bundle_data.cc',
562        'src/gn/bundle_data_target_generator.cc',
563        'src/gn/bundle_file_rule.cc',
564        'src/gn/builtin_tool.cc',
565        'src/gn/c_include_iterator.cc',
566        'src/gn/c_substitution_type.cc',
567        'src/gn/c_tool.cc',
568        'src/gn/command_analyze.cc',
569        'src/gn/command_args.cc',
570        'src/gn/command_check.cc',
571        'src/gn/command_clean.cc',
572        'src/gn/command_clean_stale.cc',
573        'src/gn/command_desc.cc',
574        'src/gn/command_format.cc',
575        'src/gn/command_gen.cc',
576        'src/gn/command_help.cc',
577        'src/gn/command_ls.cc',
578        'src/gn/command_meta.cc',
579        'src/gn/command_outputs.cc',
580        'src/gn/command_path.cc',
581        'src/gn/command_refs.cc',
582        'src/gn/commands.cc',
583        'src/gn/compile_commands_writer.cc',
584        'src/gn/rust_project_writer.cc',
585        'src/gn/config.cc',
586        'src/gn/config_values.cc',
587        'src/gn/config_values_extractors.cc',
588        'src/gn/config_values_generator.cc',
589        'src/gn/copy_target_generator.cc',
590        'src/gn/create_bundle_target_generator.cc',
591        'src/gn/deps_iterator.cc',
592        'src/gn/desc_builder.cc',
593        'src/gn/eclipse_writer.cc',
594        'src/gn/err.cc',
595        'src/gn/escape.cc',
596        'src/gn/exec_process.cc',
597        'src/gn/filesystem_utils.cc',
598        'src/gn/file_writer.cc',
599        'src/gn/frameworks_utils.cc',
600        'src/gn/function_exec_script.cc',
601        'src/gn/function_filter.cc',
602        'src/gn/function_foreach.cc',
603        'src/gn/function_forward_variables_from.cc',
604        'src/gn/function_get_label_info.cc',
605        'src/gn/function_get_path_info.cc',
606        'src/gn/function_get_target_outputs.cc',
607        'src/gn/function_process_file_template.cc',
608        'src/gn/function_read_file.cc',
609        'src/gn/function_rebase_path.cc',
610        'src/gn/function_set_default_toolchain.cc',
611        'src/gn/function_set_defaults.cc',
612        'src/gn/function_template.cc',
613        'src/gn/function_toolchain.cc',
614        'src/gn/function_write_file.cc',
615        'src/gn/functions.cc',
616        'src/gn/functions_target.cc',
617        'src/gn/general_tool.cc',
618        'src/gn/generated_file_target_generator.cc',
619        'src/gn/group_target_generator.cc',
620        'src/gn/header_checker.cc',
621        'src/gn/import_manager.cc',
622        'src/gn/inherited_libraries.cc',
623        "src/gn/innerapis_publicinfo_generator.cc",
624        'src/gn/input_conversion.cc',
625        'src/gn/input_file.cc',
626        'src/gn/input_file_manager.cc',
627        'src/gn/item.cc',
628        'src/gn/json_project_writer.cc',
629        'src/gn/label.cc',
630        'src/gn/label_pattern.cc',
631        'src/gn/lib_file.cc',
632        'src/gn/loader.cc',
633        'src/gn/location.cc',
634        'src/gn/metadata.cc',
635        'src/gn/metadata_walk.cc',
636        'src/gn/ninja_action_target_writer.cc',
637        'src/gn/ninja_binary_target_writer.cc',
638        'src/gn/ninja_build_writer.cc',
639        'src/gn/ninja_bundle_data_target_writer.cc',
640        'src/gn/ninja_c_binary_target_writer.cc',
641        'src/gn/ninja_copy_target_writer.cc',
642        'src/gn/ninja_create_bundle_target_writer.cc',
643        'src/gn/ninja_generated_file_target_writer.cc',
644        'src/gn/ninja_group_target_writer.cc',
645        'src/gn/ninja_rust_binary_target_writer.cc',
646        'src/gn/ninja_target_command_util.cc',
647        'src/gn/ninja_target_writer.cc',
648        'src/gn/ninja_toolchain_writer.cc',
649        'src/gn/ninja_tools.cc',
650        'src/gn/ninja_utils.cc',
651        'src/gn/ninja_writer.cc',
652        'src/gn/ohos_components.cc',
653        "src/gn/ohos_components_checker.cc",
654        "src/gn/ohos_components_mapping.cc",
655        'src/gn/ohos_variables.cc',
656        'src/gn/operators.cc',
657        'src/gn/output_conversion.cc',
658        'src/gn/output_file.cc',
659        'src/gn/parse_node_value_adapter.cc',
660        'src/gn/parse_tree.cc',
661        'src/gn/parser.cc',
662        'src/gn/path_output.cc',
663        'src/gn/pattern.cc',
664        'src/gn/pool.cc',
665        'src/gn/qt_creator_writer.cc',
666        'src/gn/resolved_target_data.cc',
667        'src/gn/runtime_deps.cc',
668        'src/gn/rust_substitution_type.cc',
669        'src/gn/rust_tool.cc',
670        'src/gn/rust_values.cc',
671        'src/gn/rust_values_generator.cc',
672        'src/gn/rust_variables.cc',
673        'src/gn/scheduler.cc',
674        'src/gn/scope.cc',
675        'src/gn/scope_per_file_provider.cc',
676        'src/gn/settings.cc',
677        'src/gn/setup.cc',
678        'src/gn/source_dir.cc',
679        'src/gn/source_file.cc',
680        'src/gn/standard_out.cc',
681        'src/gn/string_atom.cc',
682        'src/gn/string_output_buffer.cc',
683        'src/gn/string_utils.cc',
684        'src/gn/substitution_list.cc',
685        'src/gn/substitution_pattern.cc',
686        'src/gn/substitution_type.cc',
687        'src/gn/substitution_writer.cc',
688        'src/gn/swift_values.cc',
689        'src/gn/swift_values_generator.cc',
690        'src/gn/swift_variables.cc',
691        'src/gn/switches.cc',
692        'src/gn/target.cc',
693        'src/gn/target_generator.cc',
694        'src/gn/template.cc',
695        'src/gn/token.cc',
696        'src/gn/tokenizer.cc',
697        'src/gn/tool.cc',
698        'src/gn/toolchain.cc',
699        'src/gn/trace.cc',
700        'src/gn/value.cc',
701        'src/gn/value_extractors.cc',
702        'src/gn/variables.cc',
703        'src/gn/version.cc',
704        'src/gn/visibility.cc',
705        'src/gn/visual_studio_utils.cc',
706        'src/gn/visual_studio_writer.cc',
707        'src/gn/xcode_object.cc',
708        'src/gn/xcode_writer.cc',
709        'src/gn/xml_element_writer.cc',
710        'src/util/exe_path.cc',
711        'src/util/msg_loop.cc',
712        'src/util/semaphore.cc',
713        'src/util/sys_info.cc',
714        'src/util/ticks.cc',
715        'src/util/worker_pool.cc',
716      ]},
717  }
718
719  executables = {
720      'gn': {'sources': [ 'src/gn/gn_main.cc' ], 'libs': []},
721
722      'gn_unittests': { 'sources': [
723        'src/gn/action_target_generator_unittest.cc',
724        'src/gn/analyzer_unittest.cc',
725        'src/gn/args_unittest.cc',
726        'src/gn/builder_unittest.cc',
727        'src/gn/builder_record_map_unittest.cc',
728        'src/gn/c_include_iterator_unittest.cc',
729        'src/gn/command_format_unittest.cc',
730        'src/gn/commands_unittest.cc',
731        'src/gn/compile_commands_writer_unittest.cc',
732        'src/gn/config_unittest.cc',
733        'src/gn/config_values_extractors_unittest.cc',
734        'src/gn/escape_unittest.cc',
735        'src/gn/exec_process_unittest.cc',
736        'src/gn/filesystem_utils_unittest.cc',
737        'src/gn/file_writer_unittest.cc',
738        'src/gn/frameworks_utils_unittest.cc',
739        'src/gn/function_filter_unittest.cc',
740        'src/gn/function_foreach_unittest.cc',
741        'src/gn/function_forward_variables_from_unittest.cc',
742        'src/gn/function_get_label_info_unittest.cc',
743        'src/gn/function_get_path_info_unittest.cc',
744        'src/gn/function_get_target_outputs_unittest.cc',
745        'src/gn/function_process_file_template_unittest.cc',
746        'src/gn/function_rebase_path_unittest.cc',
747        'src/gn/function_template_unittest.cc',
748        'src/gn/function_toolchain_unittest.cc',
749        'src/gn/function_write_file_unittest.cc',
750        'src/gn/functions_target_rust_unittest.cc',
751        'src/gn/functions_target_unittest.cc',
752        'src/gn/functions_unittest.cc',
753        'src/gn/hash_table_base_unittest.cc',
754        'src/gn/header_checker_unittest.cc',
755        'src/gn/immutable_vector_unittest.cc',
756        'src/gn/inherited_libraries_unittest.cc',
757        'src/gn/input_conversion_unittest.cc',
758        'src/gn/json_project_writer_unittest.cc',
759        'src/gn/rust_project_writer_unittest.cc',
760        'src/gn/rust_project_writer_helpers_unittest.cc',
761        'src/gn/label_pattern_unittest.cc',
762        'src/gn/label_unittest.cc',
763        'src/gn/loader_unittest.cc',
764        'src/gn/metadata_unittest.cc',
765        'src/gn/metadata_walk_unittest.cc',
766        'src/gn/ninja_action_target_writer_unittest.cc',
767        'src/gn/ninja_binary_target_writer_unittest.cc',
768        'src/gn/ninja_build_writer_unittest.cc',
769        'src/gn/ninja_bundle_data_target_writer_unittest.cc',
770        'src/gn/ninja_c_binary_target_writer_unittest.cc',
771        'src/gn/ninja_copy_target_writer_unittest.cc',
772        'src/gn/ninja_create_bundle_target_writer_unittest.cc',
773        'src/gn/ninja_generated_file_target_writer_unittest.cc',
774        'src/gn/ninja_group_target_writer_unittest.cc',
775        'src/gn/ninja_rust_binary_target_writer_unittest.cc',
776        'src/gn/ninja_target_command_util_unittest.cc',
777        'src/gn/ninja_target_writer_unittest.cc',
778        'src/gn/ninja_toolchain_writer_unittest.cc',
779        'src/gn/ohos_components_unittest.cc',
780        'src/gn/operators_unittest.cc',
781        'src/gn/output_conversion_unittest.cc',
782        'src/gn/parse_tree_unittest.cc',
783        'src/gn/parser_unittest.cc',
784        'src/gn/path_output_unittest.cc',
785        'src/gn/pattern_unittest.cc',
786        'src/gn/pointer_set_unittest.cc',
787        'src/gn/resolved_target_data_unittest.cc',
788        'src/gn/resolved_target_deps_unittest.cc',
789        'src/gn/runtime_deps_unittest.cc',
790        'src/gn/scope_per_file_provider_unittest.cc',
791        'src/gn/scope_unittest.cc',
792        'src/gn/setup_unittest.cc',
793        'src/gn/source_dir_unittest.cc',
794        'src/gn/source_file_unittest.cc',
795        'src/gn/string_atom_unittest.cc',
796        'src/gn/string_output_buffer_unittest.cc',
797        'src/gn/string_utils_unittest.cc',
798        'src/gn/substitution_pattern_unittest.cc',
799        'src/gn/substitution_writer_unittest.cc',
800        'src/gn/tagged_pointer_unittest.cc',
801        'src/gn/target_unittest.cc',
802        'src/gn/target_public_pair_unittest.cc',
803        'src/gn/template_unittest.cc',
804        'src/gn/test_with_scheduler.cc',
805        'src/gn/test_with_scope.cc',
806        'src/gn/tokenizer_unittest.cc',
807        'src/gn/unique_vector_unittest.cc',
808        'src/gn/value_unittest.cc',
809        'src/gn/vector_utils_unittest.cc',
810        'src/gn/version_unittest.cc',
811        'src/gn/visibility_unittest.cc',
812        'src/gn/visual_studio_utils_unittest.cc',
813        'src/gn/visual_studio_writer_unittest.cc',
814        'src/gn/xcode_object_unittest.cc',
815        'src/gn/xml_element_writer_unittest.cc',
816        'src/util/aligned_alloc_unittest.cc',
817        'src/util/test/gn_test.cc',
818      ], 'libs': []},
819  }
820
821  if platform.is_posix() or platform.is_zos():
822    static_libraries['base']['sources'].extend([
823        'src/base/files/file_enumerator_posix.cc',
824        'src/base/files/file_posix.cc',
825        'src/base/files/file_util_posix.cc',
826        'src/base/posix/file_descriptor_shuffle.cc',
827        'src/base/posix/safe_strerror.cc',
828    ])
829
830  if platform.is_zos():
831    libs.extend([ options.zoslib_dir + '/install/lib/libzoslib.a' ])
832
833  if platform.is_windows():
834    static_libraries['base']['sources'].extend([
835        'src/base/files/file_enumerator_win.cc',
836        'src/base/files/file_util_win.cc',
837        'src/base/files/file_win.cc',
838        'src/base/win/registry.cc',
839        'src/base/win/scoped_handle.cc',
840        'src/base/win/scoped_process_information.cc',
841    ])
842
843    if platform.is_msvc():
844      libs.extend([
845          'advapi32.lib',
846          'dbghelp.lib',
847          'kernel32.lib',
848          'ole32.lib',
849          'shell32.lib',
850          'user32.lib',
851          'userenv.lib',
852          'version.lib',
853          'winmm.lib',
854          'ws2_32.lib',
855          'Shlwapi.lib',
856      ])
857    else:
858      libs.extend([
859          '-ladvapi32',
860          '-ldbghelp',
861          '-lkernel32',
862          '-lole32',
863          '-lshell32',
864          '-luser32',
865          '-luserenv',
866          '-lversion',
867          '-lwinmm',
868          '-lws2_32',
869          '-lshlwapi',
870      ])
871
872
873  libs.extend(options.link_libs)
874
875  # we just build static libraries that GN needs
876  executables['gn']['libs'].extend(static_libraries.keys())
877  executables['gn_unittests']['libs'].extend(static_libraries.keys())
878
879  WriteGenericNinja(path, static_libraries, executables, cxx, ar, ld,
880                    platform, host, options, args_list,
881                    cflags, ldflags, libflags, include_dirs, libs)
882
883if __name__ == '__main__':
884  sys.exit(main(sys.argv[1:]))
885