configure

   1 #!/usr/bin/env python
   2 import optparse
   3 import os
   4 import pprint
   5 import re
   6 import subprocess
   7 import sys
   8
   9 CC = os.environ.get('CC', 'cc')
  10
  11 root_dir = os.path.dirname(__file__)
  12 sys.path.insert(0, os.path.join(root_dir, 'deps', 'v8', 'tools'))
  13
  14 # parse our options
  15 parser = optparse.OptionParser()
  16
  17 parser.add_option("--debug",
  18     action="store_true",
  19     dest="debug",
  20     help="Also build debug build")
  21
  22 parser.add_option("--prefix",
  23     action="store",
  24     dest="prefix",
  25     help="Select the install prefix (defaults to /usr/local)")
  26
  27 parser.add_option("--without-npm",
  28     action="store_true",
  29     dest="without_npm",
  30     help="Don\'t install the bundled npm package manager")
  31
  32 parser.add_option("--without-waf",
  33     action="store_true",
  34     dest="without_waf",
  35     help="Don\'t install node-waf")
  36
  37 parser.add_option("--without-ssl",
  38     action="store_true",
  39     dest="without_ssl",
  40     help="Build without SSL")
  41
  42 parser.add_option("--without-snapshot",
  43     action="store_true",
  44     dest="without_snapshot",
  45     help="Build without snapshotting V8 libraries. You might want to set"
  46          " this for cross-compiling. [Default: False]")
  47
  48 parser.add_option("--shared-v8",
  49     action="store_true",
  50     dest="shared_v8",
  51     help="Link to a shared V8 DLL instead of static linking")
  52
  53 parser.add_option("--shared-v8-includes",
  54     action="store",
  55     dest="shared_v8_includes",
  56     help="Directory containing V8 header files")
  57
  58 parser.add_option("--shared-v8-libpath",
  59     action="store",
  60     dest="shared_v8_libpath",
  61     help="A directory to search for the shared V8 DLL")
  62
  63 parser.add_option("--shared-v8-libname",
  64     action="store",
  65     dest="shared_v8_libname",
  66     help="Alternative lib name to link to (default: 'v8')")
  67
  68 parser.add_option("--shared-openssl",
  69     action="store_true",
  70     dest="shared_openssl",
  71     help="Link to a shared OpenSSl DLL instead of static linking")
  72
  73 parser.add_option("--shared-openssl-includes",
  74     action="store",
  75     dest="shared_openssl_includes",
  76     help="Directory containing OpenSSL header files")
  77
  78 parser.add_option("--shared-openssl-libpath",
  79     action="store",
  80     dest="shared_openssl_libpath",
  81     help="A directory to search for the shared OpenSSL DLLs")
  82
  83 parser.add_option("--shared-openssl-libname",
  84     action="store",
  85     dest="shared_openssl_libname",
  86     help="Alternative lib name to link to (default: 'crypto,ssl')")
  87
  88 # deprecated
  89 parser.add_option("--openssl-use-sys",
  90     action="store_true",
  91     dest="shared_openssl",
  92     help=optparse.SUPPRESS_HELP)
  93
  94 # deprecated
  95 parser.add_option("--openssl-includes",
  96     action="store",
  97     dest="shared_openssl_includes",
  98     help=optparse.SUPPRESS_HELP)
  99
 100 # deprecated
 101 parser.add_option("--openssl-libpath",
 102     action="store",
 103     dest="shared_openssl_libpath",
 104     help=optparse.SUPPRESS_HELP)
 105
 106 parser.add_option("--no-ssl2",
 107     action="store_true",
 108     dest="no_ssl2",
 109     help="Disable OpenSSL v2")
 110
 111 parser.add_option("--shared-zlib",
 112     action="store_true",
 113     dest="shared_zlib",
 114     help="Link to a shared zlib DLL instead of static linking")
 115
 116 parser.add_option("--shared-zlib-includes",
 117     action="store",
 118     dest="shared_zlib_includes",
 119     help="Directory containing zlib header files")
 120
 121 parser.add_option("--shared-zlib-libpath",
 122     action="store",
 123     dest="shared_zlib_libpath",
 124     help="A directory to search for the shared zlib DLL")
 125
 126 parser.add_option("--shared-zlib-libname",
 127     action="store",
 128     dest="shared_zlib_libname",
 129     help="Alternative lib name to link to (default: 'z')")
 130
 131 parser.add_option("--with-dtrace",
 132     action="store_true",
 133     dest="with_dtrace",
 134     help="Build with DTrace (default is true on supported systems)")
 135
 136 parser.add_option("--without-dtrace",
 137     action="store_true",
 138     dest="without_dtrace",
 139     help="Build without DTrace")
 140
 141 parser.add_option("--with-etw",
 142     action="store_true",
 143     dest="with_etw",
 144     help="Build with ETW (default is true on Windows)")
 145
 146 parser.add_option("--without-etw",
 147     action="store_true",
 148     dest="without_etw",
 149     help="Build without ETW")
 150
 151 # CHECKME does this still work with recent releases of V8?
 152 parser.add_option("--gdb",
 153     action="store_true",
 154     dest="gdb",
 155     help="add gdb support")
 156
 157 parser.add_option("--dest-cpu",
 158     action="store",
 159     dest="dest_cpu",
 160     help="CPU architecture to build for. Valid values are: arm, ia32, x64")
 161
 162 parser.add_option("--no-ifaddrs",
 163     action="store_true",
 164     dest="no_ifaddrs",
 165     help="Use on deprecated SunOS systems that do not support ifaddrs.h")
 166
 167 (options, args) = parser.parse_args()
 168
 169
 170 def b(value):
 171   """Returns the string 'true' if value is truthy, 'false' otherwise."""
 172   if value:
 173     return 'true'
 174   else:
 175     return 'false'
 176
 177
 178 def pkg_config(pkg):
 179   cmd = os.popen('pkg-config --libs %s' % pkg, 'r')
 180   libs = cmd.readline().strip()
 181   ret = cmd.close()
 182   if (ret): return None
 183
 184   cmd = os.popen('pkg-config --cflags %s' % pkg, 'r')
 185   cflags = cmd.readline().strip()
 186   ret = cmd.close()
 187   if (ret): return None
 188
 189   return (libs, cflags)
 190
 191
 192 def host_arch_cc():
 193   """Host architecture check using the CC command."""
 194
 195   try:
 196     p = subprocess.Popen(CC.split() + ['-dM', '-E', '-'],
 197                          stdin=subprocess.PIPE,
 198                          stdout=subprocess.PIPE,
 199                          stderr=subprocess.PIPE)
 200   except OSError:
 201     print '''Node.js configure error: No acceptable C compiler found!
 202
 203         Please make sure you have a C compiler installed on your system and/or
 204         consider adjusting the CC environment variable if you installed
 205         it in a non-standard prefix.
 206         '''
 207     sys.exit()
 208
 209   p.stdin.write('\n')
 210   out = p.communicate()[0]
 211
 212   out = str(out).split('\n')
 213
 214   k = {}
 215   for line in out:
 216     import shlex
 217     lst = shlex.split(line)
 218     if len(lst) > 2:
 219       key = lst[1]
 220       val = lst[2]
 221       k[key] = val
 222
 223   matchup = {
 224     '__x86_64__'  : 'x64',
 225     '__i386__'    : 'ia32',
 226     '__arm__'     : 'arm',
 227   }
 228
 229   rtn = 'ia32' # default
 230
 231   for i in matchup:
 232     if i in k and k[i] != '0':
 233       rtn = matchup[i]
 234       break
 235
 236   return rtn
 237
 238
 239 def host_arch_win():
 240   """Host architecture check using environ vars (better way to do this?)"""
 241
 242   arch = os.environ.get('PROCESSOR_ARCHITECTURE', 'x86')
 243
 244   matchup = {
 245     'AMD64'  : 'x64',
 246     'x86'    : 'ia32',
 247     'arm'    : 'arm',
 248   }
 249
 250   return matchup.get(arch, 'ia32')
 251
 252
 253 def host_arch():
 254   """Host architecture. One of arm, ia32 or x64."""
 255   if os.name == 'nt':
 256     arch = host_arch_win()
 257   else:
 258     arch = host_arch_cc()
 259   return arch
 260
 261
 262 def target_arch():
 263   return host_arch()
 264
 265
 266 def compiler_version():
 267   try:
 268     proc = subprocess.Popen(CC.split() + ['--version'], stdout=subprocess.PIPE)
 269   except WindowsError:
 270     return (0, False)
 271
 272   is_clang = 'clang' in proc.communicate()[0].split('\n')[0]
 273
 274   proc = subprocess.Popen(CC.split() + ['-dumpversion'], stdout=subprocess.PIPE)
 275   version = tuple(map(int, proc.communicate()[0].split('.')))
 276
 277   return (version, is_clang)
 278
 279
 280 def configure_node(o):
 281   # TODO add gdb
 282   o['variables']['node_prefix'] = os.path.expanduser(options.prefix or '')
 283   o['variables']['node_install_npm'] = b(not options.without_npm)
 284   o['variables']['node_install_waf'] = b(not options.without_waf)
 285   o['variables']['host_arch'] = host_arch()
 286   o['variables']['target_arch'] = options.dest_cpu or target_arch()
 287   o['default_configuration'] = 'Debug' if options.debug else 'Release'
 288
 289   cc_version, is_clang = compiler_version()
 290
 291   # turn off strict aliasing if gcc < 4.6.0 unless it's llvm-gcc
 292   # see http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45883
 293   # see http://code.google.com/p/v8/issues/detail?id=884
 294   no_strict_aliasing = int(not(is_clang or cc_version >= (4,6,0)))
 295   o['variables']['v8_no_strict_aliasing'] = no_strict_aliasing
 296   o['variables']['node_no_strict_aliasing'] = no_strict_aliasing
 297
 298   # clang has always supported -fvisibility=hidden, right?
 299   if not is_clang and cc_version < (4,0,0):
 300     o['variables']['visibility'] = ''
 301
 302   # By default, enable DTrace on SunOS systems. Don't allow it on other
 303   # systems, since it won't work.  (The MacOS build process is different than
 304   # SunOS, and we haven't implemented it.)
 305   if sys.platform.startswith('sunos'):
 306     o['variables']['node_use_dtrace'] = b(not options.without_dtrace);
 307     # Strict aliasing causes problems with the V8 snapshots on SunOS
 308     o['variables']['strict_aliasing'] = b(False);
 309   elif b(options.with_dtrace) == 'true':
 310     raise Exception('DTrace is currently only supported on SunOS systems.')
 311   else:
 312     o['variables']['node_use_dtrace'] = 'false'
 313
 314   if options.no_ifaddrs:
 315     o['defines'] += ['SUNOS_NO_IFADDRS']
 316
 317   # By default, enable ETW on Windows.
 318   if sys.platform.startswith('win32'):
 319     o['variables']['node_use_etw'] = b(not options.without_etw);
 320   elif b(options.with_etw) == 'true':
 321     raise Exception('ETW is only supported on Windows.')
 322   else:
 323     o['variables']['node_use_etw'] = 'false'
 324
 325
 326 def configure_libz(o):
 327   o['variables']['node_shared_zlib'] = b(options.shared_zlib)
 328
 329   # assume shared_zlib if one of these is set?
 330   if options.shared_zlib_libpath:
 331     o['libraries'] += ['-L%s' % options.shared_zlib_libpath]
 332   if options.shared_zlib_libname:
 333     o['libraries'] += ['-l%s' % options.shared_zlib_libname]
 334   elif options.shared_zlib:
 335     o['libraries'] += ['-lz']
 336   if options.shared_zlib_includes:
 337     o['include_dirs'] += [options.shared_zlib_includes]
 338
 339
 340 def configure_v8(o):
 341   o['variables']['v8_use_snapshot'] = b(not options.without_snapshot)
 342   o['variables']['node_shared_v8'] = b(options.shared_v8)
 343
 344   # assume shared_v8 if one of these is set?
 345   if options.shared_v8_libpath:
 346     o['libraries'] += ['-L%s' % options.shared_v8_libpath]
 347   if options.shared_v8_libname:
 348     o['libraries'] += ['-l%s' % options.shared_v8_libname]
 349   elif options.shared_v8:
 350     o['libraries'] += ['-lv8']
 351   if options.shared_v8_includes:
 352     o['include_dirs'] += [options.shared_v8_includes]
 353
 354
 355 def configure_openssl(o):
 356   o['variables']['node_use_openssl'] = b(not options.without_ssl)
 357   o['variables']['node_shared_openssl'] = b(options.shared_openssl)
 358
 359   if options.without_ssl:
 360     return
 361
 362   if options.no_ssl2:
 363     o['defines'] += ['OPENSSL_NO_SSL2=1']
 364
 365   if options.shared_openssl:
 366     (libs, cflags) = pkg_config('openssl') or ('-lssl -lcrypto', '')
 367
 368     if options.shared_openssl_libpath:
 369       o['libraries'] += ['-L%s' % options.shared_openssl_libpath]
 370
 371     if options.shared_openssl_libname:
 372       libnames = options.shared_openssl_libname.split(',')
 373       o['libraries'] += ['-l%s' % s for s in libnames]
 374     else:
 375       o['libraries'] += libs.split()
 376
 377     if options.shared_openssl_includes:
 378       o['include_dirs'] += [options.shared_openssl_includes]
 379     else:
 380       o['cflags'] += cflags.split()
 381
 382
 383 output = {
 384   'variables': {},
 385   'include_dirs': [],
 386   'libraries': [],
 387   'defines': [],
 388   'cflags': [],
 389 }
 390
 391 configure_node(output)
 392 configure_libz(output)
 393 configure_v8(output)
 394 configure_openssl(output)
 395
 396 # variables should be a root level element,
 397 # move everything else to target_defaults
 398 variables = output['variables']
 399 del output['variables']
 400 output = {
 401   'variables': variables,
 402   'target_defaults': output
 403 }
 404 pprint.pprint(output, indent=2)
 405
 406 def write(filename, data):
 407   filename = os.path.join(root_dir, filename)
 408   print "creating ", filename
 409   f = open(filename, 'w+')
 410   f.write(data)
 411
 412 write('config.gypi', "# Do not edit. Generated by the configure script.\n" +
 413   pprint.pformat(output, indent=2) + "\n")
 414
 415 write('config.mk', "# Do not edit. Generated by the configure script.\n" +
 416   ("BUILDTYPE=%s\n" % ('Debug' if options.debug else 'Release')))
 417
 418 if os.name == 'nt':
 419   gyp_args = ['-f', 'msvs', '-G', 'msvs_version=2010']
 420 else:
 421   gyp_args = ['-f', 'make']
 422
 423 subprocess.call([sys.executable, 'tools/gyp_node'] + gyp_args)