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, 'deps', 'v8', 'tools'))
  14
  15 # parse our options
  16 parser = optparse.OptionParser()
  17
  18 parser.add_option("--debug",
  19     action="store_true",
  20     dest="debug",
  21     help="Also build debug build")
  22
  23 parser.add_option("--prefix",
  24     action="store",
  25     dest="prefix",
  26     help="Select the install prefix (defaults to /usr/local)")
  27
  28 parser.add_option("--without-npm",
  29     action="store_true",
  30     dest="without_npm",
  31     help="Don\'t install the bundled npm package manager")
  32
  33 parser.add_option("--without-ssl",
  34     action="store_true",
  35     dest="without_ssl",
  36     help="Build without SSL")
  37
  38 parser.add_option("--without-snapshot",
  39     action="store_true",
  40     dest="without_snapshot",
  41     help="Build without snapshotting V8 libraries. You might want to set"
  42          " this for cross-compiling. [Default: False]")
  43
  44 parser.add_option("--shared-v8",
  45     action="store_true",
  46     dest="shared_v8",
  47     help="Link to a shared V8 DLL instead of static linking")
  48
  49 parser.add_option("--shared-v8-includes",
  50     action="store",
  51     dest="shared_v8_includes",
  52     help="Directory containing V8 header files")
  53
  54 parser.add_option("--shared-v8-libpath",
  55     action="store",
  56     dest="shared_v8_libpath",
  57     help="A directory to search for the shared V8 DLL")
  58
  59 parser.add_option("--shared-v8-libname",
  60     action="store",
  61     dest="shared_v8_libname",
  62     help="Alternative lib name to link to (default: 'v8')")
  63
  64 parser.add_option("--shared-openssl",
  65     action="store_true",
  66     dest="shared_openssl",
  67     help="Link to a shared OpenSSl DLL instead of static linking")
  68
  69 parser.add_option("--shared-openssl-includes",
  70     action="store",
  71     dest="shared_openssl_includes",
  72     help="Directory containing OpenSSL header files")
  73
  74 parser.add_option("--shared-openssl-libpath",
  75     action="store",
  76     dest="shared_openssl_libpath",
  77     help="A directory to search for the shared OpenSSL DLLs")
  78
  79 parser.add_option("--shared-openssl-libname",
  80     action="store",
  81     dest="shared_openssl_libname",
  82     help="Alternative lib name to link to (default: 'crypto,ssl')")
  83
  84 # deprecated
  85 parser.add_option("--openssl-use-sys",
  86     action="store_true",
  87     dest="shared_openssl",
  88     help=optparse.SUPPRESS_HELP)
  89
  90 # deprecated
  91 parser.add_option("--openssl-includes",
  92     action="store",
  93     dest="shared_openssl_includes",
  94     help=optparse.SUPPRESS_HELP)
  95
  96 # deprecated
  97 parser.add_option("--openssl-libpath",
  98     action="store",
  99     dest="shared_openssl_libpath",
 100     help=optparse.SUPPRESS_HELP)
 101
 102 # TODO document when we've decided on what the tracing API and its options will
 103 # look like
 104 parser.add_option("--systemtap-includes",
 105     action="store",
 106     dest="systemtap_includes",
 107     help=optparse.SUPPRESS_HELP)
 108
 109 parser.add_option("--no-ssl2",
 110     action="store_true",
 111     dest="no_ssl2",
 112     help="Disable OpenSSL v2")
 113
 114 parser.add_option("--shared-zlib",
 115     action="store_true",
 116     dest="shared_zlib",
 117     help="Link to a shared zlib DLL instead of static linking")
 118
 119 parser.add_option("--shared-zlib-includes",
 120     action="store",
 121     dest="shared_zlib_includes",
 122     help="Directory containing zlib header files")
 123
 124 parser.add_option("--shared-zlib-libpath",
 125     action="store",
 126     dest="shared_zlib_libpath",
 127     help="A directory to search for the shared zlib DLL")
 128
 129 parser.add_option("--shared-zlib-libname",
 130     action="store",
 131     dest="shared_zlib_libname",
 132     help="Alternative lib name to link to (default: 'z')")
 133
 134 parser.add_option("--shared-http-parser",
 135     action="store_true",
 136     dest="shared_http_parser",
 137     help="Link to a shared http_parser DLL instead of static linking")
 138
 139 parser.add_option("--shared-http-parser-includes",
 140     action="store",
 141     dest="shared_http_parser_includes",
 142     help="Directory containing http_parser header files")
 143
 144 parser.add_option("--shared-http-parser-libpath",
 145     action="store",
 146     dest="shared_http_parser_libpath",
 147     help="A directory to search for the shared http_parser DLL")
 148
 149 parser.add_option("--shared-http-parser-libname",
 150     action="store",
 151     dest="shared_http_parser_libname",
 152     help="Alternative lib name to link to (default: 'http_parser')")
 153
 154 parser.add_option("--shared-cares",
 155     action="store_true",
 156     dest="shared_cares",
 157     help="Link to a shared cares DLL instead of static linking")
 158
 159 parser.add_option("--shared-cares-includes",
 160     action="store",
 161     dest="shared_cares_includes",
 162     help="Directory containing cares header files")
 163
 164 parser.add_option("--shared-cares-libpath",
 165     action="store",
 166     dest="shared_cares_libpath",
 167     help="A directory to search for the shared cares DLL")
 168
 169 parser.add_option("--shared-cares-libname",
 170     action="store",
 171     dest="shared_cares_libname",
 172     help="Alternative lib name to link to (default: 'cares')")
 173
 174 parser.add_option("--shared-libuv",
 175     action="store_true",
 176     dest="shared_libuv",
 177     help="Link to a shared libuv DLL instead of static linking")
 178
 179 parser.add_option("--shared-libuv-includes",
 180     action="store",
 181     dest="shared_libuv_includes",
 182     help="Directory containing libuv header files")
 183
 184 parser.add_option("--shared-libuv-libpath",
 185     action="store",
 186     dest="shared_libuv_libpath",
 187     help="A directory to search for the shared libuv DLL")
 188
 189 parser.add_option("--shared-libuv-libname",
 190     action="store",
 191     dest="shared_libuv_libname",
 192     help="Alternative lib name to link to (default: 'uv')")
 193
 194 parser.add_option("--with-dtrace",
 195     action="store_true",
 196     dest="with_dtrace",
 197     help="Build with DTrace (default is true on sunos)")
 198
 199 parser.add_option("--without-dtrace",
 200     action="store_true",
 201     dest="without_dtrace",
 202     help="Build without DTrace")
 203
 204 parser.add_option("--with-etw",
 205     action="store_true",
 206     dest="with_etw",
 207     help="Build with ETW (default is true on Windows)")
 208
 209 parser.add_option("--without-etw",
 210     action="store_true",
 211     dest="without_etw",
 212     help="Build without ETW")
 213
 214 # CHECKME does this still work with recent releases of V8?
 215 parser.add_option("--gdb",
 216     action="store_true",
 217     dest="gdb",
 218     help="add gdb support")
 219
 220 parser.add_option("--dest-cpu",
 221     action="store",
 222     dest="dest_cpu",
 223     help="CPU architecture to build for. Valid values are: arm, ia32, x64")
 224
 225 parser.add_option("--dest-os",
 226     action="store",
 227     dest="dest_os",
 228     help="Operating system to build for. Valid values are: "
 229          "win, mac, solaris, freebsd, linux")
 230
 231 parser.add_option("--no-ifaddrs",
 232     action="store_true",
 233     dest="no_ifaddrs",
 234     help="Use on deprecated SunOS systems that do not support ifaddrs.h")
 235
 236 parser.add_option("--with-arm-float-abi",
 237     action="store",
 238     dest="arm_float_abi",
 239     help="Specifies which floating-point ABI to use. Valid values are: "
 240          "soft, softfp, hard")
 241
 242 parser.add_option("--ninja",
 243     action="store_true",
 244     dest="use_ninja",
 245     help="Generate files for the ninja build system")
 246
 247 # Using --unsafe-optimizations voids your warranty.
 248 parser.add_option("--unsafe-optimizations",
 249     action="store_true",
 250     dest="unsafe_optimizations",
 251     help=optparse.SUPPRESS_HELP)
 252
 253 parser.add_option("--xcode",
 254     action="store_true",
 255     dest="use_xcode",
 256     help="Generate build files for use with xcode")
 257
 258 (options, args) = parser.parse_args()
 259
 260
 261 def b(value):
 262   """Returns the string 'true' if value is truthy, 'false' otherwise."""
 263   if value:
 264     return 'true'
 265   else:
 266     return 'false'
 267
 268
 269 def pkg_config(pkg):
 270   cmd = os.popen('pkg-config --libs %s' % pkg, 'r')
 271   libs = cmd.readline().strip()
 272   ret = cmd.close()
 273   if (ret): return None
 274
 275   cmd = os.popen('pkg-config --cflags %s' % pkg, 'r')
 276   cflags = cmd.readline().strip()
 277   ret = cmd.close()
 278   if (ret): return None
 279
 280   return (libs, cflags)
 281
 282
 283 def cc_macros():
 284   """Checks predefined macros using the CC command."""
 285
 286   try:
 287     p = subprocess.Popen(shlex.split(CC) + ['-dM', '-E', '-'],
 288                          stdin=subprocess.PIPE,
 289                          stdout=subprocess.PIPE,
 290                          stderr=subprocess.PIPE)
 291   except OSError:
 292     print '''Node.js configure error: No acceptable C compiler found!
 293
 294         Please make sure you have a C compiler installed on your system and/or
 295         consider adjusting the CC environment variable if you installed
 296         it in a non-standard prefix.
 297         '''
 298     sys.exit()
 299
 300   p.stdin.write('\n')
 301   out = p.communicate()[0]
 302
 303   out = str(out).split('\n')
 304
 305   k = {}
 306   for line in out:
 307     lst = shlex.split(line)
 308     if len(lst) > 2:
 309       key = lst[1]
 310       val = lst[2]
 311       k[key] = val
 312   return k
 313
 314
 315 def is_arch_armv7():
 316   """Check for ARMv7 instructions"""
 317   cc_macros_cache = cc_macros()
 318   return ('__ARM_ARCH_7__' in cc_macros_cache or
 319           '__ARM_ARCH_7A__' in cc_macros_cache or
 320           '__ARM_ARCH_7R__' in cc_macros_cache or
 321           '__ARM_ARCH_7M__' in cc_macros_cache)
 322
 323
 324 def arm_hard_float_abi():
 325   """Check for hardfloat or softfloat eabi on ARM"""
 326   # GCC versions 4.6 and above define __ARM_PCS or __ARM_PCS_VFP to specify
 327   # the Floating Point ABI used (PCS stands for Procedure Call Standard).
 328   # We use these as well as a couple of other defines to statically determine
 329   # what FP ABI used.
 330   # GCC versions 4.4 and below don't support hard-fp.
 331   # GCC versions 4.5 may support hard-fp without defining __ARM_PCS or
 332   # __ARM_PCS_VFP.
 333
 334   if compiler_version() >= (4, 6, 0):
 335     return '__ARM_PCS_VFP' in cc_macros()
 336   elif compiler_version() < (4, 5, 0):
 337     return False
 338   elif '__ARM_PCS_VFP' in cc_macros():
 339     return True
 340   elif ('__ARM_PCS' in cc_macros() or
 341         '__SOFTFP' in cc_macros() or
 342         not '__VFP_FP__' in cc_macros()):
 343     return False
 344   else:
 345     print '''Node.js configure error: Your version of GCC does not report
 346       the Floating-Point ABI to compile for your hardware
 347
 348       Please manually specify which floating-point ABI to use with the
 349       --with-arm-float-abi option.
 350       '''
 351     sys.exit()
 352
 353
 354 def host_arch_cc():
 355   """Host architecture check using the CC command."""
 356
 357   k = cc_macros()
 358
 359   matchup = {
 360     '__x86_64__'  : 'x64',
 361     '__i386__'    : 'ia32',
 362     '__arm__'     : 'arm',
 363   }
 364
 365   rtn = 'ia32' # default
 366
 367   for i in matchup:
 368     if i in k and k[i] != '0':
 369       rtn = matchup[i]
 370       break
 371
 372   return rtn
 373
 374
 375 def host_arch_win():
 376   """Host architecture check using environ vars (better way to do this?)"""
 377
 378   arch = os.environ.get('PROCESSOR_ARCHITECTURE', 'x86')
 379
 380   matchup = {
 381     'AMD64'  : 'x64',
 382     'x86'    : 'ia32',
 383     'arm'    : 'arm',
 384   }
 385
 386   return matchup.get(arch, 'ia32')
 387
 388
 389 def compiler_version():
 390   try:
 391     proc = subprocess.Popen(shlex.split(CC) + ['--version'], stdout=subprocess.PIPE)
 392   except WindowsError:
 393     return (0, False)
 394
 395   is_clang = 'clang' in proc.communicate()[0].split('\n')[0]
 396
 397   proc = subprocess.Popen(shlex.split(CC) + ['-dumpversion'], stdout=subprocess.PIPE)
 398   version = tuple(map(int, proc.communicate()[0].split('.')))
 399
 400   return (version, is_clang)
 401
 402
 403 def configure_arm(o):
 404   # V8 on ARM requires that armv7 is set. CPU Model detected by
 405   # the presence of __ARM_ARCH_7__ and the like defines in compiler
 406   if options.arm_float_abi:
 407     hard_float = options.arm_float_abi == 'hard'
 408   else:
 409     hard_float = arm_hard_float_abi()
 410   o['variables']['v8_use_arm_eabi_hardfloat'] = b(hard_float)
 411
 412   armv7 = is_arch_armv7()
 413   if armv7:
 414     # CHECKME VFPv3 implies ARMv7+ but is the reverse true as well?
 415     o['variables']['arm_fpu'] = 'vfpv3'
 416     o['variables']['arm_neon'] = 0
 417   o['variables']['armv7'] = int(armv7)
 418
 419
 420 def configure_node(o):
 421   o['variables']['v8_enable_gdbjit'] = 1 if options.gdb else 0
 422   o['variables']['v8_no_strict_aliasing'] = 1 # work around compiler bugs
 423   o['variables']['node_prefix'] = os.path.expanduser(options.prefix or '')
 424   o['variables']['node_install_npm'] = b(not options.without_npm)
 425   o['variables']['node_unsafe_optimizations'] = (
 426     1 if options.unsafe_optimizations else 0)
 427   o['default_configuration'] = 'Debug' if options.debug else 'Release'
 428
 429   host_arch = host_arch_win() if os.name == 'nt' else host_arch_cc()
 430   target_arch = options.dest_cpu or host_arch
 431   o['variables']['host_arch'] = host_arch
 432   o['variables']['target_arch'] = target_arch
 433
 434   if target_arch == 'arm':
 435     configure_arm(o)
 436
 437   cc_version, is_clang = compiler_version()
 438   o['variables']['clang'] = 1 if is_clang else 0
 439
 440   if not is_clang and cc_version != 0:
 441     o['variables']['gcc_version'] = 10 * cc_version[0] + cc_version[1]
 442
 443   # clang has always supported -fvisibility=hidden, right?
 444   if not is_clang and cc_version < (4,0,0):
 445     o['variables']['visibility'] = ''
 446
 447   # By default, enable DTrace on SunOS systems. Don't allow it on other
 448   # systems, since it won't work.  (The MacOS build process is different than
 449   # SunOS, and we haven't implemented it.)
 450   if sys.platform.startswith('sunos'):
 451     o['variables']['node_use_dtrace'] = b(not options.without_dtrace)
 452   elif sys.platform.startswith('linux'):
 453     o['variables']['node_use_dtrace'] = 'false'
 454     o['variables']['node_use_systemtap'] = b(options.with_dtrace)
 455     if options.systemtap_includes:
 456       o['include_dirs'] += [options.systemtap_includes]
 457   elif b(options.with_dtrace) == 'true':
 458     raise Exception(
 459        'DTrace is currently only supported on SunOS or Linux systems.')
 460   else:
 461     o['variables']['node_use_dtrace'] = 'false'
 462     o['variables']['node_use_systemtap'] = 'false'
 463
 464   if options.no_ifaddrs:
 465     o['defines'] += ['SUNOS_NO_IFADDRS']
 466
 467   # By default, enable ETW on Windows.
 468   if sys.platform.startswith('win32'):
 469     o['variables']['node_use_etw'] = b(not options.without_etw);
 470   elif b(options.with_etw) == 'true':
 471     raise Exception('ETW is only supported on Windows.')
 472   else:
 473     o['variables']['node_use_etw'] = 'false'
 474
 475
 476 def configure_libz(o):
 477   o['variables']['node_shared_zlib'] = b(options.shared_zlib)
 478
 479   # assume shared_zlib if one of these is set?
 480   if options.shared_zlib_libpath:
 481     o['libraries'] += ['-L%s' % options.shared_zlib_libpath]
 482   if options.shared_zlib_libname:
 483     o['libraries'] += ['-l%s' % options.shared_zlib_libname]
 484   elif options.shared_zlib:
 485     o['libraries'] += ['-lz']
 486   if options.shared_zlib_includes:
 487     o['include_dirs'] += [options.shared_zlib_includes]
 488
 489
 490 def configure_http_parser(o):
 491     o['variables']['node_shared_http_parser'] = b(options.shared_http_parser)
 492
 493     # assume shared http_parser if one of these is set?
 494     if options.shared_http_parser_libpath:
 495         o['libraries'] += ['-L%s' % options.shared_http_parser_libpath]
 496     if options.shared_http_parser_libname:
 497         o['libraries'] += ['-l%s' % options.shared_http_parser_libname]
 498     elif options.shared_http_parser:
 499         o['libraries'] += ['-lhttp_parser']
 500     if options.shared_http_parser_includes:
 501         o['include_dirs'] += [options.shared_http_parser_includes]
 502
 503
 504 def configure_cares(o):
 505     o['variables']['node_shared_cares'] = b(options.shared_cares)
 506
 507     # assume shared cares if one of these is set?
 508     if options.shared_cares_libpath:
 509         o['libraries'] += ['-L%s' % options.shared_cares_libpath]
 510     if options.shared_cares_libname:
 511         o['libraries'] += ['-l%s' % options.shared_cares_libname]
 512     elif options.shared_cares:
 513         o['libraries'] += ['-lcares']
 514     if options.shared_cares_includes:
 515         o['include_dirs'] += [options.shared_cares_includes]
 516
 517
 518 def configure_libuv(o):
 519   o['variables']['node_shared_libuv'] = b(options.shared_libuv)
 520
 521   # assume shared libuv if one of these is set?
 522   if options.shared_libuv_libpath:
 523     o['libraries'] += ['-L%s' % options.shared_libuv_libpath]
 524   if options.shared_libuv_libname:
 525     o['libraries'] += ['-l%s' % options.shared_libuv_libname]
 526   elif options.shared_libuv:
 527     o['libraries'] += ['-luv']
 528   if options.shared_libuv_includes:
 529     o['include_dirs'] += [options.shared_libuv_includes]
 530
 531
 532 def configure_v8(o):
 533   o['variables']['v8_use_snapshot'] = b(not options.without_snapshot)
 534   o['variables']['node_shared_v8'] = b(options.shared_v8)
 535
 536   # assume shared_v8 if one of these is set?
 537   if options.shared_v8_libpath:
 538     o['libraries'] += ['-L%s' % options.shared_v8_libpath]
 539   if options.shared_v8_libname:
 540     o['libraries'] += ['-l%s' % options.shared_v8_libname]
 541   elif options.shared_v8:
 542     o['libraries'] += ['-lv8']
 543   if options.shared_v8_includes:
 544     o['include_dirs'] += [options.shared_v8_includes]
 545
 546
 547 def configure_openssl(o):
 548   o['variables']['node_use_openssl'] = b(not options.without_ssl)
 549   o['variables']['node_shared_openssl'] = b(options.shared_openssl)
 550
 551   if options.without_ssl:
 552     return
 553
 554   if options.no_ssl2:
 555     o['defines'] += ['OPENSSL_NO_SSL2=1']
 556
 557   if options.shared_openssl:
 558     (libs, cflags) = pkg_config('openssl') or ('-lssl -lcrypto', '')
 559
 560     if options.shared_openssl_libpath:
 561       o['libraries'] += ['-L%s' % options.shared_openssl_libpath]
 562
 563     if options.shared_openssl_libname:
 564       libnames = options.shared_openssl_libname.split(',')
 565       o['libraries'] += ['-l%s' % s for s in libnames]
 566     else:
 567       o['libraries'] += libs.split()
 568
 569     if options.shared_openssl_includes:
 570       o['include_dirs'] += [options.shared_openssl_includes]
 571     else:
 572       o['cflags'] += cflags.split()
 573
 574
 575 output = {
 576   'variables': {},
 577   'include_dirs': [],
 578   'libraries': [],
 579   'defines': [],
 580   'cflags': [],
 581 }
 582
 583 configure_node(output)
 584 configure_libz(output)
 585 configure_http_parser(output)
 586 configure_cares(output)
 587 configure_libuv(output)
 588 configure_v8(output)
 589 configure_openssl(output)
 590
 591 # variables should be a root level element,
 592 # move everything else to target_defaults
 593 variables = output['variables']
 594 del output['variables']
 595 output = {
 596   'variables': variables,
 597   'target_defaults': output
 598 }
 599 pprint.pprint(output, indent=2)
 600
 601 def write(filename, data):
 602   filename = os.path.join(root_dir, filename)
 603   print "creating ", filename
 604   f = open(filename, 'w+')
 605   f.write(data)
 606
 607 write('config.gypi', "# Do not edit. Generated by the configure script.\n" +
 608   pprint.pformat(output, indent=2) + "\n")
 609
 610 config = {
 611   'BUILDTYPE': 'Debug' if options.debug else 'Release',
 612   'USE_NINJA': str(int(options.use_ninja or 0)),
 613   'USE_XCODE': str(int(options.use_xcode or 0)),
 614 }
 615 config = '\n'.join(map('='.join, config.iteritems())) + '\n'
 616
 617 write('config.mk',
 618       '# Do not edit. Generated by the configure script.\n' + config)
 619
 620 if options.use_ninja:
 621   gyp_args = ['-f', 'ninja']
 622 elif options.use_xcode:
 623   gyp_args = ['-f', 'xcode']
 624 elif os.name == 'nt':
 625   gyp_args = ['-f', 'msvs', '-G', 'msvs_version=auto']
 626 elif options.dest_os:
 627   gyp_args = ['-f', 'make-' + options.dest_os]
 628 else:
 629   gyp_args = ['-f', 'make']
 630
 631 subprocess.call([sys.executable, 'tools/gyp_node'] + gyp_args)