configure

   1 #!/usr/bin/env python
   2 import optparse
   3 import os
   4 import pprint
   5 import re
   6 import shlex
   7 import subprocess
   8 import sys
   9
  10 CC = os.environ.get('CC', 'cc')
  11
  12 root_dir = os.path.dirname(__file__)
  13 sys.path.insert(0, os.path.join(root_dir, 'tools', 'gyp', 'pylib'))
  14 from gyp.common import GetFlavor
  15
  16 # parse our options
  17 parser = optparse.OptionParser()
  18
  19 parser.add_option("--debug",
  20     action="store_true",
  21     dest="debug",
  22     help="Also build debug build")
  23
  24 parser.add_option("--prefix",
  25     action="store",
  26     dest="prefix",
  27     help="Select the install prefix (defaults to /usr/local)")
  28
  29 parser.add_option("--without-npm",
  30     action="store_true",
  31     dest="without_npm",
  32     help="Don\'t install the bundled npm package manager")
  33
  34 parser.add_option("--without-ssl",
  35     action="store_true",
  36     dest="without_ssl",
  37     help="Build without SSL")
  38
  39 parser.add_option("--without-snapshot",
  40     action="store_true",
  41     dest="without_snapshot",
  42     help="Build without snapshotting V8 libraries. You might want to set"
  43          " this for cross-compiling. [Default: False]")
  44
  45 parser.add_option("--shared-v8",
  46     action="store_true",
  47     dest="shared_v8",
  48     help="Link to a shared V8 DLL instead of static linking")
  49
  50 parser.add_option("--shared-v8-includes",
  51     action="store",
  52     dest="shared_v8_includes",
  53     help="Directory containing V8 header files")
  54
  55 parser.add_option("--shared-v8-libpath",
  56     action="store",
  57     dest="shared_v8_libpath",
  58     help="A directory to search for the shared V8 DLL")
  59
  60 parser.add_option("--shared-v8-libname",
  61     action="store",
  62     dest="shared_v8_libname",
  63     help="Alternative lib name to link to (default: 'v8')")
  64
  65 parser.add_option("--shared-openssl",
  66     action="store_true",
  67     dest="shared_openssl",
  68     help="Link to a shared OpenSSl DLL instead of static linking")
  69
  70 parser.add_option("--shared-openssl-includes",
  71     action="store",
  72     dest="shared_openssl_includes",
  73     help="Directory containing OpenSSL header files")
  74
  75 parser.add_option("--shared-openssl-libpath",
  76     action="store",
  77     dest="shared_openssl_libpath",
  78     help="A directory to search for the shared OpenSSL DLLs")
  79
  80 parser.add_option("--shared-openssl-libname",
  81     action="store",
  82     dest="shared_openssl_libname",
  83     help="Alternative lib name to link to (default: 'crypto,ssl')")
  84
  85 # deprecated
  86 parser.add_option("--openssl-use-sys",
  87     action="store_true",
  88     dest="shared_openssl",
  89     help=optparse.SUPPRESS_HELP)
  90
  91 # deprecated
  92 parser.add_option("--openssl-includes",
  93     action="store",
  94     dest="shared_openssl_includes",
  95     help=optparse.SUPPRESS_HELP)
  96
  97 # deprecated
  98 parser.add_option("--openssl-libpath",
  99     action="store",
 100     dest="shared_openssl_libpath",
 101     help=optparse.SUPPRESS_HELP)
 102
 103 # TODO document when we've decided on what the tracing API and its options will
 104 # look like
 105 parser.add_option("--systemtap-includes",
 106     action="store",
 107     dest="systemtap_includes",
 108     help=optparse.SUPPRESS_HELP)
 109
 110 parser.add_option("--no-ssl2",
 111     action="store_true",
 112     dest="no_ssl2",
 113     help="Disable OpenSSL v2")
 114
 115 parser.add_option("--shared-zlib",
 116     action="store_true",
 117     dest="shared_zlib",
 118     help="Link to a shared zlib DLL instead of static linking")
 119
 120 parser.add_option("--shared-zlib-includes",
 121     action="store",
 122     dest="shared_zlib_includes",
 123     help="Directory containing zlib header files")
 124
 125 parser.add_option("--shared-zlib-libpath",
 126     action="store",
 127     dest="shared_zlib_libpath",
 128     help="A directory to search for the shared zlib DLL")
 129
 130 parser.add_option("--shared-zlib-libname",
 131     action="store",
 132     dest="shared_zlib_libname",
 133     help="Alternative lib name to link to (default: 'z')")
 134
 135 parser.add_option("--shared-http-parser",
 136     action="store_true",
 137     dest="shared_http_parser",
 138     help="Link to a shared http_parser DLL instead of static linking")
 139
 140 parser.add_option("--shared-http-parser-includes",
 141     action="store",
 142     dest="shared_http_parser_includes",
 143     help="Directory containing http_parser header files")
 144
 145 parser.add_option("--shared-http-parser-libpath",
 146     action="store",
 147     dest="shared_http_parser_libpath",
 148     help="A directory to search for the shared http_parser DLL")
 149
 150 parser.add_option("--shared-http-parser-libname",
 151     action="store",
 152     dest="shared_http_parser_libname",
 153     help="Alternative lib name to link to (default: 'http_parser')")
 154
 155 parser.add_option("--shared-cares",
 156     action="store_true",
 157     dest="shared_cares",
 158     help="Link to a shared cares DLL instead of static linking")
 159
 160 parser.add_option("--shared-cares-includes",
 161     action="store",
 162     dest="shared_cares_includes",
 163     help="Directory containing cares header files")
 164
 165 parser.add_option("--shared-cares-libpath",
 166     action="store",
 167     dest="shared_cares_libpath",
 168     help="A directory to search for the shared cares DLL")
 169
 170 parser.add_option("--shared-cares-libname",
 171     action="store",
 172     dest="shared_cares_libname",
 173     help="Alternative lib name to link to (default: 'cares')")
 174
 175 parser.add_option("--shared-libuv",
 176     action="store_true",
 177     dest="shared_libuv",
 178     help="Link to a shared libuv DLL instead of static linking")
 179
 180 parser.add_option("--shared-libuv-includes",
 181     action="store",
 182     dest="shared_libuv_includes",
 183     help="Directory containing libuv header files")
 184
 185 parser.add_option("--shared-libuv-libpath",
 186     action="store",
 187     dest="shared_libuv_libpath",
 188     help="A directory to search for the shared libuv DLL")
 189
 190 parser.add_option("--shared-libuv-libname",
 191     action="store",
 192     dest="shared_libuv_libname",
 193     help="Alternative lib name to link to (default: 'uv')")
 194
 195 parser.add_option("--with-dtrace",
 196     action="store_true",
 197     dest="with_dtrace",
 198     help="Build with DTrace (default is true on sunos)")
 199
 200 parser.add_option("--without-dtrace",
 201     action="store_true",
 202     dest="without_dtrace",
 203     help="Build without DTrace")
 204
 205 parser.add_option("--with-etw",
 206     action="store_true",
 207     dest="with_etw",
 208     help="Build with ETW (default is true on Windows)")
 209
 210 parser.add_option("--without-etw",
 211     action="store_true",
 212     dest="without_etw",
 213     help="Build without ETW")
 214
 215 parser.add_option("--with-perfctr",
 216     action="store_true",
 217     dest="with_perfctr",
 218     help="Build with performance counters (default is true on Windows)")
 219
 220 parser.add_option("--without-perfctr",
 221     action="store_true",
 222     dest="without_perfctr",
 223     help="Build without performance counters")
 224
 225 # CHECKME does this still work with recent releases of V8?
 226 parser.add_option("--gdb",
 227     action="store_true",
 228     dest="gdb",
 229     help="add gdb support")
 230
 231 parser.add_option("--dest-cpu",
 232     action="store",
 233     dest="dest_cpu",
 234     help="CPU architecture to build for. Valid values are: arm, ia32, x64")
 235
 236 parser.add_option("--dest-os",
 237     action="store",
 238     dest="dest_os",
 239     help="Operating system to build for. Valid values are: "
 240          "win, mac, solaris, freebsd, openbsd, linux")
 241
 242 parser.add_option("--no-ifaddrs",
 243     action="store_true",
 244     dest="no_ifaddrs",
 245     help="Use on deprecated SunOS systems that do not support ifaddrs.h")
 246
 247 parser.add_option("--with-arm-float-abi",
 248     action="store",
 249     dest="arm_float_abi",
 250     help="Specifies which floating-point ABI to use. Valid values are: "
 251          "soft, softfp, hard")
 252
 253 parser.add_option("--with-mips-float-abi",
 254     action="store",
 255     dest="mips_float_abi",
 256     help="Specifies which floating-point ABI to use. Valid values are: "
 257          "soft, hard")
 258
 259 parser.add_option("--ninja",
 260     action="store_true",
 261     dest="use_ninja",
 262     help="Generate files for the ninja build system")
 263
 264 # Using --unsafe-optimizations voids your warranty.
 265 parser.add_option("--unsafe-optimizations",
 266     action="store_true",
 267     dest="unsafe_optimizations",
 268     help=optparse.SUPPRESS_HELP)
 269
 270 parser.add_option("--xcode",
 271     action="store_true",
 272     dest="use_xcode",
 273     help="Generate build files for use with xcode")
 274
 275 parser.add_option("--tag",
 276     action="store",
 277     dest="tag",
 278     help="Custom build tag")
 279
 280 (options, args) = parser.parse_args()
 281
 282
 283 def b(value):
 284   """Returns the string 'true' if value is truthy, 'false' otherwise."""
 285   if value:
 286     return 'true'
 287   else:
 288     return 'false'
 289
 290
 291 def pkg_config(pkg):
 292   cmd = os.popen('pkg-config --libs %s' % pkg, 'r')
 293   libs = cmd.readline().strip()
 294   ret = cmd.close()
 295   if (ret): return None
 296
 297   cmd = os.popen('pkg-config --cflags %s' % pkg, 'r')
 298   cflags = cmd.readline().strip()
 299   ret = cmd.close()
 300   if (ret): return None
 301
 302   return (libs, cflags)
 303
 304
 305 def cc_macros():
 306   """Checks predefined macros using the CC command."""
 307
 308   try:
 309     p = subprocess.Popen(shlex.split(CC) + ['-dM', '-E', '-'],
 310                          stdin=subprocess.PIPE,
 311                          stdout=subprocess.PIPE,
 312                          stderr=subprocess.PIPE)
 313   except OSError:
 314     print '''Node.js configure error: No acceptable C compiler found!
 315
 316         Please make sure you have a C compiler installed on your system and/or
 317         consider adjusting the CC environment variable if you installed
 318         it in a non-standard prefix.
 319         '''
 320     sys.exit()
 321
 322   p.stdin.write('\n')
 323   out = p.communicate()[0]
 324
 325   out = str(out).split('\n')
 326
 327   k = {}
 328   for line in out:
 329     lst = shlex.split(line)
 330     if len(lst) > 2:
 331       key = lst[1]
 332       val = lst[2]
 333       k[key] = val
 334   return k
 335
 336
 337 def is_arch_armv7():
 338   """Check for ARMv7 instructions"""
 339   cc_macros_cache = cc_macros()
 340   return ('__ARM_ARCH_7__' in cc_macros_cache or
 341           '__ARM_ARCH_7A__' in cc_macros_cache or
 342           '__ARM_ARCH_7R__' in cc_macros_cache or
 343           '__ARM_ARCH_7M__' in cc_macros_cache)
 344
 345
 346 def is_arm_neon():
 347   """Check for ARM NEON support"""
 348   return '__ARM_NEON__' in cc_macros()
 349
 350
 351 def arm_hard_float_abi():
 352   """Check for hardfloat or softfloat eabi on ARM"""
 353   # GCC versions 4.6 and above define __ARM_PCS or __ARM_PCS_VFP to specify
 354   # the Floating Point ABI used (PCS stands for Procedure Call Standard).
 355   # We use these as well as a couple of other defines to statically determine
 356   # what FP ABI used.
 357   # GCC versions 4.4 and below don't support hard-fp.
 358   # GCC versions 4.5 may support hard-fp without defining __ARM_PCS or
 359   # __ARM_PCS_VFP.
 360
 361   if compiler_version() >= (4, 6, 0):
 362     return '__ARM_PCS_VFP' in cc_macros()
 363   elif compiler_version() < (4, 5, 0):
 364     return False
 365   elif '__ARM_PCS_VFP' in cc_macros():
 366     return True
 367   elif ('__ARM_PCS' in cc_macros() or
 368         '__SOFTFP' in cc_macros() or
 369         not '__VFP_FP__' in cc_macros()):
 370     return False
 371   else:
 372     print '''Node.js configure error: Your version of GCC does not report
 373       the Floating-Point ABI to compile for your hardware
 374
 375       Please manually specify which floating-point ABI to use with the
 376       --with-arm-float-abi option.
 377       '''
 378     sys.exit()
 379
 380
 381 def host_arch_cc():
 382   """Host architecture check using the CC command."""
 383
 384   k = cc_macros()
 385
 386   matchup = {
 387     '__x86_64__'  : 'x64',
 388     '__i386__'    : 'ia32',
 389     '__arm__'     : 'arm',
 390     '__mips__'    : 'mips',
 391   }
 392
 393   rtn = 'ia32' # default
 394
 395   for i in matchup:
 396     if i in k and k[i] != '0':
 397       rtn = matchup[i]
 398       break
 399
 400   return rtn
 401
 402
 403 def host_arch_win():
 404   """Host architecture check using environ vars (better way to do this?)"""
 405
 406   arch = os.environ.get('PROCESSOR_ARCHITECTURE', 'x86')
 407
 408   matchup = {
 409     'AMD64'  : 'x64',
 410     'x86'    : 'ia32',
 411     'arm'    : 'arm',
 412     'mips'   : 'mips',
 413   }
 414
 415   return matchup.get(arch, 'ia32')
 416
 417
 418 def compiler_version():
 419   try:
 420     proc = subprocess.Popen(shlex.split(CC) + ['--version'], stdout=subprocess.PIPE)
 421   except WindowsError:
 422     return (0, False)
 423
 424   is_clang = 'clang' in proc.communicate()[0].split('\n')[0]
 425
 426   proc = subprocess.Popen(shlex.split(CC) + ['-dumpversion'], stdout=subprocess.PIPE)
 427   version = tuple(map(int, proc.communicate()[0].split('.')))
 428
 429   return (version, is_clang)
 430
 431
 432 def configure_arm(o):
 433   # V8 on ARM requires that armv7 is set. CPU Model detected by
 434   # the presence of __ARM_ARCH_7__ and the like defines in compiler
 435   if options.arm_float_abi:
 436     hard_float = options.arm_float_abi == 'hard'
 437   else:
 438     hard_float = arm_hard_float_abi()
 439
 440   armv7 = is_arch_armv7()
 441   # CHECKME VFPv3 implies ARMv7+ but is the reverse true as well?
 442   fpu = 'vfpv3' if armv7 else 'vfpv2'
 443
 444   o['variables']['armv7'] = int(armv7)
 445   o['variables']['arm_fpu'] = fpu
 446   o['variables']['arm_neon'] = int(is_arm_neon())
 447   o['variables']['v8_use_arm_eabi_hardfloat'] = b(hard_float)
 448
 449
 450 def configure_mips(o):
 451   if options.mips_float_abi:
 452     if options.mips_float_abi in ('soft', 'hard'):
 453       o['variables']['v8_use_mips_abi_hardfloat'] = b(
 454           options.mips_float_abi == 'hard')
 455     else:
 456       raise Exception(
 457           'Invalid mips-float-abi value. Valid values are: soft, hard')
 458
 459
 460 def configure_node(o):
 461   o['variables']['v8_enable_gdbjit'] = 1 if options.gdb else 0
 462   o['variables']['v8_no_strict_aliasing'] = 1 # work around compiler bugs
 463   o['variables']['node_prefix'] = os.path.expanduser(options.prefix or '')
 464   o['variables']['node_install_npm'] = b(not options.without_npm)
 465   o['variables']['node_unsafe_optimizations'] = (
 466     1 if options.unsafe_optimizations else 0)
 467   o['default_configuration'] = 'Debug' if options.debug else 'Release'
 468
 469   host_arch = host_arch_win() if os.name == 'nt' else host_arch_cc()
 470   target_arch = options.dest_cpu or host_arch
 471   o['variables']['host_arch'] = host_arch
 472   o['variables']['target_arch'] = target_arch
 473
 474   if target_arch == 'arm':
 475     configure_arm(o)
 476   elif target_arch in ('mips', 'mipsel'):
 477     configure_mips(o)
 478
 479   cc_version, is_clang = compiler_version()
 480   o['variables']['clang'] = 1 if is_clang else 0
 481
 482   if not is_clang and cc_version != 0:
 483     o['variables']['gcc_version'] = 10 * cc_version[0] + cc_version[1]
 484
 485   # clang has always supported -fvisibility=hidden, right?
 486   if not is_clang and cc_version < (4,0,0):
 487     o['variables']['visibility'] = ''
 488
 489   # By default, enable DTrace on SunOS systems. Don't allow it on other
 490   # systems, since it won't work.  (The MacOS build process is different than
 491   # SunOS, and we haven't implemented it.)
 492   if flavor in ('solaris', 'mac'):
 493     o['variables']['node_use_dtrace'] = b(not options.without_dtrace)
 494   elif flavor == 'linux':
 495     o['variables']['node_use_dtrace'] = 'false'
 496     o['variables']['node_use_systemtap'] = b(options.with_dtrace)
 497     if options.systemtap_includes:
 498       o['include_dirs'] += [options.systemtap_includes]
 499   elif options.with_dtrace:
 500     raise Exception(
 501        'DTrace is currently only supported on SunOS, MacOS or Linux systems.')
 502   else:
 503     o['variables']['node_use_dtrace'] = 'false'
 504     o['variables']['node_use_systemtap'] = 'false'
 505
 506   if options.no_ifaddrs:
 507     o['defines'] += ['SUNOS_NO_IFADDRS']
 508
 509   # By default, enable ETW on Windows.
 510   if flavor == 'win':
 511     o['variables']['node_use_etw'] = b(not options.without_etw);
 512   elif options.with_etw:
 513     raise Exception('ETW is only supported on Windows.')
 514   else:
 515     o['variables']['node_use_etw'] = 'false'
 516
 517   # By default, enable Performance counters on Windows.
 518   if flavor == 'win':
 519     o['variables']['node_use_perfctr'] = b(not options.without_perfctr);
 520   elif options.with_perfctr:
 521     raise Exception('Performance counter is only supported on Windows.')
 522   else:
 523     o['variables']['node_use_perfctr'] = 'false'
 524
 525   if options.tag:
 526     o['variables']['node_tag'] = '-' + options.tag
 527   else:
 528     o['variables']['node_tag'] = ''
 529
 530
 531 def configure_libz(o):
 532   o['variables']['node_shared_zlib'] = b(options.shared_zlib)
 533
 534   # assume shared_zlib if one of these is set?
 535   if options.shared_zlib_libpath:
 536     o['libraries'] += ['-L%s' % options.shared_zlib_libpath]
 537   if options.shared_zlib_libname:
 538     o['libraries'] += ['-l%s' % options.shared_zlib_libname]
 539   elif options.shared_zlib:
 540     o['libraries'] += ['-lz']
 541   if options.shared_zlib_includes:
 542     o['include_dirs'] += [options.shared_zlib_includes]
 543
 544
 545 def configure_http_parser(o):
 546     o['variables']['node_shared_http_parser'] = b(options.shared_http_parser)
 547
 548     # assume shared http_parser if one of these is set?
 549     if options.shared_http_parser_libpath:
 550         o['libraries'] += ['-L%s' % options.shared_http_parser_libpath]
 551     if options.shared_http_parser_libname:
 552         o['libraries'] += ['-l%s' % options.shared_http_parser_libname]
 553     elif options.shared_http_parser:
 554         o['libraries'] += ['-lhttp_parser']
 555     if options.shared_http_parser_includes:
 556         o['include_dirs'] += [options.shared_http_parser_includes]
 557
 558
 559 def configure_cares(o):
 560     o['variables']['node_shared_cares'] = b(options.shared_cares)
 561
 562     # assume shared cares if one of these is set?
 563     if options.shared_cares_libpath:
 564         o['libraries'] += ['-L%s' % options.shared_cares_libpath]
 565     if options.shared_cares_libname:
 566         o['libraries'] += ['-l%s' % options.shared_cares_libname]
 567     elif options.shared_cares:
 568         o['libraries'] += ['-lcares']
 569     if options.shared_cares_includes:
 570         o['include_dirs'] += [options.shared_cares_includes]
 571
 572
 573 def configure_libuv(o):
 574   o['variables']['node_shared_libuv'] = b(options.shared_libuv)
 575
 576   # assume shared libuv if one of these is set?
 577   if options.shared_libuv_libpath:
 578     o['libraries'] += ['-L%s' % options.shared_libuv_libpath]
 579   if options.shared_libuv_libname:
 580     o['libraries'] += ['-l%s' % options.shared_libuv_libname]
 581   elif options.shared_libuv:
 582     o['libraries'] += ['-luv']
 583   if options.shared_libuv_includes:
 584     o['include_dirs'] += [options.shared_libuv_includes]
 585
 586
 587 def configure_v8(o):
 588   o['variables']['v8_use_snapshot'] = b(not options.without_snapshot)
 589   o['variables']['node_shared_v8'] = b(options.shared_v8)
 590
 591   # assume shared_v8 if one of these is set?
 592   if options.shared_v8_libpath:
 593     o['libraries'] += ['-L%s' % options.shared_v8_libpath]
 594   if options.shared_v8_libname:
 595     o['libraries'] += ['-l%s' % options.shared_v8_libname]
 596   elif options.shared_v8:
 597     o['libraries'] += ['-lv8']
 598   if options.shared_v8_includes:
 599     o['include_dirs'] += [options.shared_v8_includes]
 600
 601
 602 def configure_openssl(o):
 603   o['variables']['node_use_openssl'] = b(not options.without_ssl)
 604   o['variables']['node_shared_openssl'] = b(options.shared_openssl)
 605
 606   if options.without_ssl:
 607     return
 608
 609   if options.no_ssl2:
 610     o['defines'] += ['OPENSSL_NO_SSL2=1']
 611
 612   if options.shared_openssl:
 613     (libs, cflags) = pkg_config('openssl') or ('-lssl -lcrypto', '')
 614
 615     if options.shared_openssl_libpath:
 616       o['libraries'] += ['-L%s' % options.shared_openssl_libpath]
 617
 618     if options.shared_openssl_libname:
 619       libnames = options.shared_openssl_libname.split(',')
 620       o['libraries'] += ['-l%s' % s for s in libnames]
 621     else:
 622       o['libraries'] += libs.split()
 623
 624     if options.shared_openssl_includes:
 625       o['include_dirs'] += [options.shared_openssl_includes]
 626     else:
 627       o['cflags'] += cflags.split()
 628
 629
 630 def configure_winsdk(o):
 631   if flavor != 'win':
 632     return
 633
 634   winsdk_dir = os.environ.get("WindowsSdkDir")
 635
 636   if winsdk_dir and os.path.isfile(winsdk_dir + '\\bin\\ctrpp.exe'):
 637     print "Found ctrpp in WinSDK--will build generated files into tools/msvs/genfiles."
 638     o['variables']['node_has_winsdk'] = 'true'
 639     return
 640
 641   print "ctrpp not found in WinSDK path--using pre-gen files from tools/msvs/genfiles."
 642
 643
 644 # determine the "flavor" (operating system) we're building for,
 645 # leveraging gyp's GetFlavor function
 646 flavor_params = {};
 647 if (options.dest_os):
 648   flavor_params['flavor'] = options.dest_os;
 649 flavor = GetFlavor(flavor_params);
 650
 651 output = {
 652   'variables': { 'python': sys.executable },
 653   'include_dirs': [],
 654   'libraries': [],
 655   'defines': [],
 656   'cflags': [],
 657 }
 658
 659 configure_node(output)
 660 configure_libz(output)
 661 configure_http_parser(output)
 662 configure_cares(output)
 663 configure_libuv(output)
 664 configure_v8(output)
 665 configure_openssl(output)
 666 configure_winsdk(output)
 667
 668 # variables should be a root level element,
 669 # move everything else to target_defaults
 670 variables = output['variables']
 671 del output['variables']
 672 output = {
 673   'variables': variables,
 674   'target_defaults': output
 675 }
 676 pprint.pprint(output, indent=2)
 677
 678 def write(filename, data):
 679   filename = os.path.join(root_dir, filename)
 680   print "creating ", filename
 681   f = open(filename, 'w+')
 682   f.write(data)
 683
 684 write('config.gypi', "# Do not edit. Generated by the configure script.\n" +
 685   pprint.pformat(output, indent=2) + "\n")
 686
 687 config = {
 688   'BUILDTYPE': 'Debug' if options.debug else 'Release',
 689   'USE_NINJA': str(int(options.use_ninja or 0)),
 690   'USE_XCODE': str(int(options.use_xcode or 0)),
 691   'PYTHON': sys.executable,
 692 }
 693 config = '\n'.join(map('='.join, config.iteritems())) + '\n'
 694
 695 write('config.mk',
 696       '# Do not edit. Generated by the configure script.\n' + config)
 697
 698 if options.use_ninja:
 699   gyp_args = ['-f', 'ninja-' + flavor]
 700 elif options.use_xcode:
 701   gyp_args = ['-f', 'xcode']
 702 elif flavor == 'win':
 703   gyp_args = ['-f', 'msvs', '-G', 'msvs_version=auto']
 704 else:
 705   gyp_args = ['-f', 'make-' + flavor]
 706
 707 subprocess.call([sys.executable, 'tools/gyp_node.py'] + gyp_args)