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 parser.add_option("--with-perfctr",
 215     action="store_true",
 216     dest="with_perfctr",
 217     help="Build with performance counters (default is true on Windows)")
 218
 219 parser.add_option("--without-perfctr",
 220     action="store_true",
 221     dest="without_perfctr",
 222     help="Build without performance counters")
 223
 224 # CHECKME does this still work with recent releases of V8?
 225 parser.add_option("--gdb",
 226     action="store_true",
 227     dest="gdb",
 228     help="add gdb support")
 229
 230 parser.add_option("--dest-cpu",
 231     action="store",
 232     dest="dest_cpu",
 233     help="CPU architecture to build for. Valid values are: arm, ia32, x64")
 234
 235 parser.add_option("--dest-os",
 236     action="store",
 237     dest="dest_os",
 238     help="Operating system to build for. Valid values are: "
 239          "win, mac, solaris, freebsd, linux")
 240
 241 parser.add_option("--no-ifaddrs",
 242     action="store_true",
 243     dest="no_ifaddrs",
 244     help="Use on deprecated SunOS systems that do not support ifaddrs.h")
 245
 246 parser.add_option("--with-arm-float-abi",
 247     action="store",
 248     dest="arm_float_abi",
 249     help="Specifies which floating-point ABI to use. Valid values are: "
 250          "soft, softfp, hard")
 251
 252 parser.add_option("--ninja",
 253     action="store_true",
 254     dest="use_ninja",
 255     help="Generate files for the ninja build system")
 256
 257 # Using --unsafe-optimizations voids your warranty.
 258 parser.add_option("--unsafe-optimizations",
 259     action="store_true",
 260     dest="unsafe_optimizations",
 261     help=optparse.SUPPRESS_HELP)
 262
 263 parser.add_option("--xcode",
 264     action="store_true",
 265     dest="use_xcode",
 266     help="Generate build files for use with xcode")
 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 arm_hard_float_abi():
 335   """Check for hardfloat or softfloat eabi on ARM"""
 336   # GCC versions 4.6 and above define __ARM_PCS or __ARM_PCS_VFP to specify
 337   # the Floating Point ABI used (PCS stands for Procedure Call Standard).
 338   # We use these as well as a couple of other defines to statically determine
 339   # what FP ABI used.
 340   # GCC versions 4.4 and below don't support hard-fp.
 341   # GCC versions 4.5 may support hard-fp without defining __ARM_PCS or
 342   # __ARM_PCS_VFP.
 343
 344   if compiler_version() >= (4, 6, 0):
 345     return '__ARM_PCS_VFP' in cc_macros()
 346   elif compiler_version() < (4, 5, 0):
 347     return False
 348   elif '__ARM_PCS_VFP' in cc_macros():
 349     return True
 350   elif ('__ARM_PCS' in cc_macros() or
 351         '__SOFTFP' in cc_macros() or
 352         not '__VFP_FP__' in cc_macros()):
 353     return False
 354   else:
 355     print '''Node.js configure error: Your version of GCC does not report
 356       the Floating-Point ABI to compile for your hardware
 357
 358       Please manually specify which floating-point ABI to use with the
 359       --with-arm-float-abi option.
 360       '''
 361     sys.exit()
 362
 363
 364 def host_arch_cc():
 365   """Host architecture check using the CC command."""
 366
 367   k = cc_macros()
 368
 369   matchup = {
 370     '__x86_64__'  : 'x64',
 371     '__i386__'    : 'ia32',
 372     '__arm__'     : 'arm',
 373   }
 374
 375   rtn = 'ia32' # default
 376
 377   for i in matchup:
 378     if i in k and k[i] != '0':
 379       rtn = matchup[i]
 380       break
 381
 382   return rtn
 383
 384
 385 def host_arch_win():
 386   """Host architecture check using environ vars (better way to do this?)"""
 387
 388   arch = os.environ.get('PROCESSOR_ARCHITECTURE', 'x86')
 389
 390   matchup = {
 391     'AMD64'  : 'x64',
 392     'x86'    : 'ia32',
 393     'arm'    : 'arm',
 394   }
 395
 396   return matchup.get(arch, 'ia32')
 397
 398
 399 def compiler_version():
 400   try:
 401     proc = subprocess.Popen(shlex.split(CC) + ['--version'], stdout=subprocess.PIPE)
 402   except WindowsError:
 403     return (0, False)
 404
 405   is_clang = 'clang' in proc.communicate()[0].split('\n')[0]
 406
 407   proc = subprocess.Popen(shlex.split(CC) + ['-dumpversion'], stdout=subprocess.PIPE)
 408   version = tuple(map(int, proc.communicate()[0].split('.')))
 409
 410   return (version, is_clang)
 411
 412
 413 def configure_arm(o):
 414   # V8 on ARM requires that armv7 is set. CPU Model detected by
 415   # the presence of __ARM_ARCH_7__ and the like defines in compiler
 416   if options.arm_float_abi:
 417     hard_float = options.arm_float_abi == 'hard'
 418   else:
 419     hard_float = arm_hard_float_abi()
 420   o['variables']['v8_use_arm_eabi_hardfloat'] = b(hard_float)
 421
 422   armv7 = is_arch_armv7()
 423   if armv7:
 424     # CHECKME VFPv3 implies ARMv7+ but is the reverse true as well?
 425     o['variables']['arm_fpu'] = 'vfpv3'
 426     o['variables']['arm_neon'] = 0
 427   o['variables']['armv7'] = int(armv7)
 428
 429
 430 def configure_node(o):
 431   o['variables']['v8_enable_gdbjit'] = 1 if options.gdb else 0
 432   o['variables']['v8_no_strict_aliasing'] = 1 # work around compiler bugs
 433   o['variables']['node_prefix'] = os.path.expanduser(options.prefix or '')
 434   o['variables']['node_install_npm'] = b(not options.without_npm)
 435   o['variables']['node_unsafe_optimizations'] = (
 436     1 if options.unsafe_optimizations else 0)
 437   o['default_configuration'] = 'Debug' if options.debug else 'Release'
 438
 439   host_arch = host_arch_win() if os.name == 'nt' else host_arch_cc()
 440   target_arch = options.dest_cpu or host_arch
 441   o['variables']['host_arch'] = host_arch
 442   o['variables']['target_arch'] = target_arch
 443
 444   if target_arch == 'arm':
 445     configure_arm(o)
 446
 447   cc_version, is_clang = compiler_version()
 448   o['variables']['clang'] = 1 if is_clang else 0
 449
 450   if not is_clang and cc_version != 0:
 451     o['variables']['gcc_version'] = 10 * cc_version[0] + cc_version[1]
 452
 453   # clang has always supported -fvisibility=hidden, right?
 454   if not is_clang and cc_version < (4,0,0):
 455     o['variables']['visibility'] = ''
 456
 457   # By default, enable DTrace on SunOS systems. Don't allow it on other
 458   # systems, since it won't work.  (The MacOS build process is different than
 459   # SunOS, and we haven't implemented it.)
 460   if sys.platform.startswith('sunos'):
 461     o['variables']['node_use_dtrace'] = b(not options.without_dtrace)
 462   elif sys.platform.startswith('linux'):
 463     o['variables']['node_use_dtrace'] = 'false'
 464     o['variables']['node_use_systemtap'] = b(options.with_dtrace)
 465     if options.systemtap_includes:
 466       o['include_dirs'] += [options.systemtap_includes]
 467   elif options.with_dtrace:
 468     raise Exception(
 469        'DTrace is currently only supported on SunOS or Linux systems.')
 470   else:
 471     o['variables']['node_use_dtrace'] = 'false'
 472     o['variables']['node_use_systemtap'] = 'false'
 473
 474   if options.no_ifaddrs:
 475     o['defines'] += ['SUNOS_NO_IFADDRS']
 476
 477   # By default, enable ETW on Windows.
 478   if sys.platform.startswith('win32'):
 479     o['variables']['node_use_etw'] = b(not options.without_etw);
 480   elif options.with_etw:
 481     raise Exception('ETW is only supported on Windows.')
 482   else:
 483     o['variables']['node_use_etw'] = 'false'
 484
 485   # By default, enable Performance counters on Windows.
 486   if sys.platform.startswith('win32'):
 487     o['variables']['node_use_perfctr'] = b(not options.without_perfctr);
 488   elif options.with_perfctr:
 489     raise Exception('Performance counter is only supported on Windows.')
 490   else:
 491     o['variables']['node_use_perfctr'] = 'false'
 492
 493
 494 def configure_libz(o):
 495   o['variables']['node_shared_zlib'] = b(options.shared_zlib)
 496
 497   # assume shared_zlib if one of these is set?
 498   if options.shared_zlib_libpath:
 499     o['libraries'] += ['-L%s' % options.shared_zlib_libpath]
 500   if options.shared_zlib_libname:
 501     o['libraries'] += ['-l%s' % options.shared_zlib_libname]
 502   elif options.shared_zlib:
 503     o['libraries'] += ['-lz']
 504   if options.shared_zlib_includes:
 505     o['include_dirs'] += [options.shared_zlib_includes]
 506
 507
 508 def configure_http_parser(o):
 509     o['variables']['node_shared_http_parser'] = b(options.shared_http_parser)
 510
 511     # assume shared http_parser if one of these is set?
 512     if options.shared_http_parser_libpath:
 513         o['libraries'] += ['-L%s' % options.shared_http_parser_libpath]
 514     if options.shared_http_parser_libname:
 515         o['libraries'] += ['-l%s' % options.shared_http_parser_libname]
 516     elif options.shared_http_parser:
 517         o['libraries'] += ['-lhttp_parser']
 518     if options.shared_http_parser_includes:
 519         o['include_dirs'] += [options.shared_http_parser_includes]
 520
 521
 522 def configure_cares(o):
 523     o['variables']['node_shared_cares'] = b(options.shared_cares)
 524
 525     # assume shared cares if one of these is set?
 526     if options.shared_cares_libpath:
 527         o['libraries'] += ['-L%s' % options.shared_cares_libpath]
 528     if options.shared_cares_libname:
 529         o['libraries'] += ['-l%s' % options.shared_cares_libname]
 530     elif options.shared_cares:
 531         o['libraries'] += ['-lcares']
 532     if options.shared_cares_includes:
 533         o['include_dirs'] += [options.shared_cares_includes]
 534
 535
 536 def configure_libuv(o):
 537   o['variables']['node_shared_libuv'] = b(options.shared_libuv)
 538
 539   # assume shared libuv if one of these is set?
 540   if options.shared_libuv_libpath:
 541     o['libraries'] += ['-L%s' % options.shared_libuv_libpath]
 542   if options.shared_libuv_libname:
 543     o['libraries'] += ['-l%s' % options.shared_libuv_libname]
 544   elif options.shared_libuv:
 545     o['libraries'] += ['-luv']
 546   if options.shared_libuv_includes:
 547     o['include_dirs'] += [options.shared_libuv_includes]
 548
 549
 550 def configure_v8(o):
 551   o['variables']['v8_use_snapshot'] = b(not options.without_snapshot)
 552   o['variables']['node_shared_v8'] = b(options.shared_v8)
 553
 554   # assume shared_v8 if one of these is set?
 555   if options.shared_v8_libpath:
 556     o['libraries'] += ['-L%s' % options.shared_v8_libpath]
 557   if options.shared_v8_libname:
 558     o['libraries'] += ['-l%s' % options.shared_v8_libname]
 559   elif options.shared_v8:
 560     o['libraries'] += ['-lv8']
 561   if options.shared_v8_includes:
 562     o['include_dirs'] += [options.shared_v8_includes]
 563
 564
 565 def configure_openssl(o):
 566   o['variables']['node_use_openssl'] = b(not options.without_ssl)
 567   o['variables']['node_shared_openssl'] = b(options.shared_openssl)
 568
 569   if options.without_ssl:
 570     return
 571
 572   if options.no_ssl2:
 573     o['defines'] += ['OPENSSL_NO_SSL2=1']
 574
 575   if options.shared_openssl:
 576     (libs, cflags) = pkg_config('openssl') or ('-lssl -lcrypto', '')
 577
 578     if options.shared_openssl_libpath:
 579       o['libraries'] += ['-L%s' % options.shared_openssl_libpath]
 580
 581     if options.shared_openssl_libname:
 582       libnames = options.shared_openssl_libname.split(',')
 583       o['libraries'] += ['-l%s' % s for s in libnames]
 584     else:
 585       o['libraries'] += libs.split()
 586
 587     if options.shared_openssl_includes:
 588       o['include_dirs'] += [options.shared_openssl_includes]
 589     else:
 590       o['cflags'] += cflags.split()
 591
 592
 593 output = {
 594   'variables': { 'python': sys.executable },
 595   'include_dirs': [],
 596   'libraries': [],
 597   'defines': [],
 598   'cflags': [],
 599 }
 600
 601 configure_node(output)
 602 configure_libz(output)
 603 configure_http_parser(output)
 604 configure_cares(output)
 605 configure_libuv(output)
 606 configure_v8(output)
 607 configure_openssl(output)
 608
 609 # variables should be a root level element,
 610 # move everything else to target_defaults
 611 variables = output['variables']
 612 del output['variables']
 613 output = {
 614   'variables': variables,
 615   'target_defaults': output
 616 }
 617 pprint.pprint(output, indent=2)
 618
 619 def write(filename, data):
 620   filename = os.path.join(root_dir, filename)
 621   print "creating ", filename
 622   f = open(filename, 'w+')
 623   f.write(data)
 624
 625 write('config.gypi', "# Do not edit. Generated by the configure script.\n" +
 626   pprint.pformat(output, indent=2) + "\n")
 627
 628 config = {
 629   'BUILDTYPE': 'Debug' if options.debug else 'Release',
 630   'USE_NINJA': str(int(options.use_ninja or 0)),
 631   'USE_XCODE': str(int(options.use_xcode or 0)),
 632   'PYTHON': sys.executable,
 633 }
 634 config = '\n'.join(map('='.join, config.iteritems())) + '\n'
 635
 636 write('config.mk',
 637       '# Do not edit. Generated by the configure script.\n' + config)
 638
 639 if options.use_ninja:
 640   gyp_args = ['-f', 'ninja']
 641 elif options.use_xcode:
 642   gyp_args = ['-f', 'xcode']
 643 elif os.name == 'nt':
 644   gyp_args = ['-f', 'msvs', '-G', 'msvs_version=auto']
 645 elif options.dest_os:
 646   gyp_args = ['-f', 'make-' + options.dest_os]
 647 else:
 648   gyp_args = ['-f', 'make']
 649
 650 subprocess.call([sys.executable, 'tools/gyp_node'] + gyp_args)