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, android")
 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("--ninja",
 254     action="store_true",
 255     dest="use_ninja",
 256     help="Generate files for the ninja build system")
 257
 258 parser.add_option("--xcode",
 259     action="store_true",
 260     dest="use_xcode",
 261     help="Generate build files for use with xcode")
 262
 263 parser.add_option("--tag",
 264     action="store",
 265     dest="tag",
 266     help="Custom build tag")
 267
 268 (options, args) = parser.parse_args()
 269
 270
 271 def b(value):
 272   """Returns the string 'true' if value is truthy, 'false' otherwise."""
 273   if value:
 274     return 'true'
 275   else:
 276     return 'false'
 277
 278
 279 def pkg_config(pkg):
 280   cmd = os.popen('pkg-config --libs %s' % pkg, 'r')
 281   libs = cmd.readline().strip()
 282   ret = cmd.close()
 283   if (ret): return None
 284
 285   cmd = os.popen('pkg-config --cflags %s' % pkg, 'r')
 286   cflags = cmd.readline().strip()
 287   ret = cmd.close()
 288   if (ret): return None
 289
 290   return (libs, cflags)
 291
 292
 293 def cc_macros():
 294   """Checks predefined macros using the CC command."""
 295
 296   try:
 297     p = subprocess.Popen(shlex.split(CC) + ['-dM', '-E', '-'],
 298                          stdin=subprocess.PIPE,
 299                          stdout=subprocess.PIPE,
 300                          stderr=subprocess.PIPE)
 301   except OSError:
 302     print '''Node.js configure error: No acceptable C compiler found!
 303
 304         Please make sure you have a C compiler installed on your system and/or
 305         consider adjusting the CC environment variable if you installed
 306         it in a non-standard prefix.
 307         '''
 308     sys.exit()
 309
 310   p.stdin.write('\n')
 311   out = p.communicate()[0]
 312
 313   out = str(out).split('\n')
 314
 315   k = {}
 316   for line in out:
 317     lst = shlex.split(line)
 318     if len(lst) > 2:
 319       key = lst[1]
 320       val = lst[2]
 321       k[key] = val
 322   return k
 323
 324
 325 def is_arch_armv7():
 326   """Check for ARMv7 instructions"""
 327   cc_macros_cache = cc_macros()
 328   return ('__ARM_ARCH_7__' in cc_macros_cache or
 329           '__ARM_ARCH_7A__' in cc_macros_cache or
 330           '__ARM_ARCH_7R__' in cc_macros_cache or
 331           '__ARM_ARCH_7M__' in cc_macros_cache)
 332
 333
 334 def is_arm_neon():
 335   """Check for ARM NEON support"""
 336   return '__ARM_NEON__' in cc_macros()
 337
 338
 339 def is_arm_hard_float_abi():
 340   """Check for hardfloat or softfloat eabi on ARM"""
 341   # GCC versions 4.6 and above define __ARM_PCS or __ARM_PCS_VFP to specify
 342   # the Floating Point ABI used (PCS stands for Procedure Call Standard).
 343   # We use these as well as a couple of other defines to statically determine
 344   # what FP ABI used.
 345   # GCC versions 4.4 and below don't support hard-fp.
 346   # GCC versions 4.5 may support hard-fp without defining __ARM_PCS or
 347   # __ARM_PCS_VFP.
 348
 349   if compiler_version() >= (4, 6, 0):
 350     return '__ARM_PCS_VFP' in cc_macros()
 351   elif compiler_version() < (4, 5, 0):
 352     return False
 353   elif '__ARM_PCS_VFP' in cc_macros():
 354     return True
 355   elif ('__ARM_PCS' in cc_macros() or
 356         '__SOFTFP' in cc_macros() or
 357         not '__VFP_FP__' in cc_macros()):
 358     return False
 359   else:
 360     print '''Node.js configure error: Your version of GCC does not report
 361       the Floating-Point ABI to compile for your hardware
 362
 363       Please manually specify which floating-point ABI to use with the
 364       --with-arm-float-abi option.
 365       '''
 366     sys.exit()
 367
 368
 369 def host_arch_cc():
 370   """Host architecture check using the CC command."""
 371
 372   k = cc_macros()
 373
 374   matchup = {
 375     '__x86_64__'  : 'x64',
 376     '__i386__'    : 'ia32',
 377     '__arm__'     : 'arm',
 378     '__mips__'    : 'mips',
 379   }
 380
 381   rtn = 'ia32' # default
 382
 383   for i in matchup:
 384     if i in k and k[i] != '0':
 385       rtn = matchup[i]
 386       break
 387
 388   return rtn
 389
 390
 391 def host_arch_win():
 392   """Host architecture check using environ vars (better way to do this?)"""
 393
 394   arch = os.environ.get('PROCESSOR_ARCHITECTURE', 'x86')
 395
 396   matchup = {
 397     'AMD64'  : 'x64',
 398     'x86'    : 'ia32',
 399     'arm'    : 'arm',
 400     'mips'   : 'mips',
 401   }
 402
 403   return matchup.get(arch, 'ia32')
 404
 405
 406 def compiler_version():
 407   try:
 408     proc = subprocess.Popen(shlex.split(CC) + ['--version'], stdout=subprocess.PIPE)
 409   except WindowsError:
 410     return (0, False)
 411
 412   is_clang = 'clang' in proc.communicate()[0].split('\n')[0]
 413
 414   proc = subprocess.Popen(shlex.split(CC) + ['-dumpversion'], stdout=subprocess.PIPE)
 415   version = tuple(map(int, proc.communicate()[0].split('.')))
 416
 417   return (version, is_clang)
 418
 419
 420 def configure_arm(o):
 421   if options.arm_float_abi:
 422     arm_float_abi = options.arm_float_abi
 423   else:
 424     arm_float_abi = 'hard' if is_arm_hard_float_abi() else 'default'
 425   o['variables']['armv7'] = int(is_arch_armv7())
 426   o['variables']['arm_fpu'] = 'vfpv3'  # V8 3.18 no longer supports VFP2.
 427   o['variables']['arm_neon'] = int(is_arm_neon())
 428   o['variables']['arm_thumb'] = 0      # -marm
 429   o['variables']['arm_float_abi'] = arm_float_abi
 430
 431
 432 def configure_node(o):
 433   if options.dest_os == 'android':
 434     o['variables']['OS'] = "android"
 435   o['variables']['v8_enable_gdbjit'] = 1 if options.gdb else 0
 436   o['variables']['v8_no_strict_aliasing'] = 1 # work around compiler bugs
 437   o['variables']['node_prefix'] = os.path.expanduser(options.prefix or '')
 438   o['variables']['node_install_npm'] = b(not options.without_npm)
 439   o['default_configuration'] = 'Debug' if options.debug else 'Release'
 440
 441   host_arch = host_arch_win() if os.name == 'nt' else host_arch_cc()
 442   target_arch = options.dest_cpu or host_arch
 443   o['variables']['host_arch'] = host_arch
 444   o['variables']['target_arch'] = target_arch
 445
 446   if target_arch == 'arm':
 447     configure_arm(o)
 448
 449   cc_version, is_clang = compiler_version()
 450   o['variables']['clang'] = 1 if is_clang else 0
 451
 452   if not is_clang and cc_version != 0:
 453     o['variables']['gcc_version'] = 10 * cc_version[0] + cc_version[1]
 454
 455   # clang has always supported -fvisibility=hidden, right?
 456   if not is_clang and cc_version < (4,0,0):
 457     o['variables']['visibility'] = ''
 458
 459   # By default, enable DTrace on SunOS systems. Don't allow it on other
 460   # systems, since it won't work.  (The MacOS build process is different than
 461   # SunOS, and we haven't implemented it.)
 462   if flavor in ('solaris', 'mac'):
 463     o['variables']['node_use_dtrace'] = b(not options.without_dtrace)
 464     o['variables']['uv_use_dtrace'] = o['variables']['node_use_dtrace']
 465     o['variables']['uv_parent_path'] = '/deps/uv/'
 466   elif flavor == 'linux':
 467     o['variables']['node_use_dtrace'] = 'false'
 468     o['variables']['node_use_systemtap'] = b(options.with_dtrace)
 469     if options.systemtap_includes:
 470       o['include_dirs'] += [options.systemtap_includes]
 471   elif options.with_dtrace:
 472     raise Exception(
 473        'DTrace is currently only supported on SunOS, MacOS or Linux systems.')
 474   else:
 475     o['variables']['node_use_dtrace'] = 'false'
 476     o['variables']['node_use_systemtap'] = 'false'
 477
 478   if options.no_ifaddrs:
 479     o['defines'] += ['SUNOS_NO_IFADDRS']
 480
 481   # By default, enable ETW on Windows.
 482   if flavor == 'win':
 483     o['variables']['node_use_etw'] = b(not options.without_etw);
 484   elif options.with_etw:
 485     raise Exception('ETW is only supported on Windows.')
 486   else:
 487     o['variables']['node_use_etw'] = 'false'
 488
 489   # By default, enable Performance counters on Windows.
 490   if flavor == 'win':
 491     o['variables']['node_use_perfctr'] = b(not options.without_perfctr);
 492   elif options.with_perfctr:
 493     raise Exception('Performance counter is only supported on Windows.')
 494   else:
 495     o['variables']['node_use_perfctr'] = 'false'
 496
 497   if options.tag:
 498     o['variables']['node_tag'] = '-' + options.tag
 499   else:
 500     o['variables']['node_tag'] = ''
 501
 502
 503 def configure_libz(o):
 504   o['variables']['node_shared_zlib'] = b(options.shared_zlib)
 505
 506   # assume shared_zlib if one of these is set?
 507   if options.shared_zlib_libpath:
 508     o['libraries'] += ['-L%s' % options.shared_zlib_libpath]
 509   if options.shared_zlib_libname:
 510     o['libraries'] += ['-l%s' % options.shared_zlib_libname]
 511   elif options.shared_zlib:
 512     o['libraries'] += ['-lz']
 513   if options.shared_zlib_includes:
 514     o['include_dirs'] += [options.shared_zlib_includes]
 515
 516
 517 def configure_http_parser(o):
 518     o['variables']['node_shared_http_parser'] = b(options.shared_http_parser)
 519
 520     # assume shared http_parser if one of these is set?
 521     if options.shared_http_parser_libpath:
 522         o['libraries'] += ['-L%s' % options.shared_http_parser_libpath]
 523     if options.shared_http_parser_libname:
 524         o['libraries'] += ['-l%s' % options.shared_http_parser_libname]
 525     elif options.shared_http_parser:
 526         o['libraries'] += ['-lhttp_parser']
 527     if options.shared_http_parser_includes:
 528         o['include_dirs'] += [options.shared_http_parser_includes]
 529
 530
 531 def configure_cares(o):
 532     o['variables']['node_shared_cares'] = b(options.shared_cares)
 533
 534     # assume shared cares if one of these is set?
 535     if options.shared_cares_libpath:
 536         o['libraries'] += ['-L%s' % options.shared_cares_libpath]
 537     if options.shared_cares_libname:
 538         o['libraries'] += ['-l%s' % options.shared_cares_libname]
 539     elif options.shared_cares:
 540         o['libraries'] += ['-lcares']
 541     if options.shared_cares_includes:
 542         o['include_dirs'] += [options.shared_cares_includes]
 543
 544
 545 def configure_libuv(o):
 546   o['variables']['node_shared_libuv'] = b(options.shared_libuv)
 547
 548   # assume shared libuv if one of these is set?
 549   if options.shared_libuv_libpath:
 550     o['libraries'] += ['-L%s' % options.shared_libuv_libpath]
 551   if options.shared_libuv_libname:
 552     o['libraries'] += ['-l%s' % options.shared_libuv_libname]
 553   elif options.shared_libuv:
 554     o['libraries'] += ['-luv']
 555   if options.shared_libuv_includes:
 556     o['include_dirs'] += [options.shared_libuv_includes]
 557
 558
 559 def configure_v8(o):
 560   o['variables']['v8_use_snapshot'] = b(not options.without_snapshot)
 561   o['variables']['node_shared_v8'] = b(options.shared_v8)
 562
 563   # assume shared_v8 if one of these is set?
 564   if options.shared_v8_libpath:
 565     o['libraries'] += ['-L%s' % options.shared_v8_libpath]
 566   if options.shared_v8_libname:
 567     o['libraries'] += ['-l%s' % options.shared_v8_libname]
 568   elif options.shared_v8:
 569     o['libraries'] += ['-lv8']
 570   if options.shared_v8_includes:
 571     o['include_dirs'] += [options.shared_v8_includes]
 572
 573
 574 def configure_openssl(o):
 575   o['variables']['node_use_openssl'] = b(not options.without_ssl)
 576   o['variables']['node_shared_openssl'] = b(options.shared_openssl)
 577
 578   if options.without_ssl:
 579     return
 580
 581   if options.no_ssl2:
 582     o['defines'] += ['OPENSSL_NO_SSL2=1']
 583
 584   if options.shared_openssl:
 585     (libs, cflags) = pkg_config('openssl') or ('-lssl -lcrypto', '')
 586
 587     if options.shared_openssl_libpath:
 588       o['libraries'] += ['-L%s' % options.shared_openssl_libpath]
 589
 590     if options.shared_openssl_libname:
 591       libnames = options.shared_openssl_libname.split(',')
 592       o['libraries'] += ['-l%s' % s for s in libnames]
 593     else:
 594       o['libraries'] += libs.split()
 595
 596     if options.shared_openssl_includes:
 597       o['include_dirs'] += [options.shared_openssl_includes]
 598     else:
 599       o['cflags'] += cflags.split()
 600
 601
 602 def configure_winsdk(o):
 603   if flavor != 'win':
 604     return
 605
 606   winsdk_dir = os.environ.get("WindowsSdkDir")
 607
 608   if winsdk_dir and os.path.isfile(winsdk_dir + '\\bin\\ctrpp.exe'):
 609     print "Found ctrpp in WinSDK--will build generated files into tools/msvs/genfiles."
 610     o['variables']['node_has_winsdk'] = 'true'
 611     return
 612
 613   print "ctrpp not found in WinSDK path--using pre-gen files from tools/msvs/genfiles."
 614
 615
 616 # determine the "flavor" (operating system) we're building for,
 617 # leveraging gyp's GetFlavor function
 618 flavor_params = {};
 619 if (options.dest_os):
 620   flavor_params['flavor'] = options.dest_os;
 621 flavor = GetFlavor(flavor_params);
 622
 623 output = {
 624   'variables': { 'python': sys.executable },
 625   'include_dirs': [],
 626   'libraries': [],
 627   'defines': [],
 628   'cflags': [],
 629 }
 630
 631 configure_node(output)
 632 configure_libz(output)
 633 configure_http_parser(output)
 634 configure_cares(output)
 635 configure_libuv(output)
 636 configure_v8(output)
 637 configure_openssl(output)
 638 configure_winsdk(output)
 639
 640
 641 # variables should be a root level element,
 642 # move everything else to target_defaults
 643 variables = output['variables']
 644 del output['variables']
 645 output = {
 646   'variables': variables,
 647   'target_defaults': output
 648 }
 649 pprint.pprint(output, indent=2)
 650
 651 def write(filename, data):
 652   filename = os.path.join(root_dir, filename)
 653   print "creating ", filename
 654   f = open(filename, 'w+')
 655   f.write(data)
 656
 657 write('config.gypi', "# Do not edit. Generated by the configure script.\n" +
 658   pprint.pformat(output, indent=2) + "\n")
 659
 660 config = {
 661   'BUILDTYPE': 'Debug' if options.debug else 'Release',
 662   'USE_NINJA': str(int(options.use_ninja or 0)),
 663   'USE_XCODE': str(int(options.use_xcode or 0)),
 664   'PYTHON': sys.executable,
 665 }
 666
 667 if options.prefix:
 668   config['PREFIX'] = options.prefix
 669
 670 config = '\n'.join(map('='.join, config.iteritems())) + '\n'
 671
 672 write('config.mk',
 673       '# Do not edit. Generated by the configure script.\n' + config)
 674
 675 if options.use_ninja:
 676   gyp_args = ['-f', 'ninja-' + flavor]
 677 elif options.use_xcode:
 678   gyp_args = ['-f', 'xcode']
 679 elif flavor == 'win':
 680   gyp_args = ['-f', 'msvs', '-G', 'msvs_version=auto']
 681 else:
 682   gyp_args = ['-f', 'make-' + flavor]
 683
 684 subprocess.call([sys.executable, 'tools/gyp_node'] + gyp_args)