10 CC = os.environ.get('CC', 'cc')
12 root_dir = os.path.dirname(__file__)
13 sys.path.insert(0, os.path.join(root_dir, 'deps', 'v8', 'tools'))
16 parser = optparse.OptionParser()
18 parser.add_option("--debug",
21 help="Also build debug build")
23 parser.add_option("--prefix",
26 help="Select the install prefix (defaults to /usr/local)")
28 parser.add_option("--without-npm",
31 help="Don\'t install the bundled npm package manager")
33 parser.add_option("--without-ssl",
36 help="Build without SSL")
38 parser.add_option("--without-snapshot",
40 dest="without_snapshot",
41 help="Build without snapshotting V8 libraries. You might want to set"
42 " this for cross-compiling. [Default: False]")
44 parser.add_option("--shared-v8",
47 help="Link to a shared V8 DLL instead of static linking")
49 parser.add_option("--shared-v8-includes",
51 dest="shared_v8_includes",
52 help="Directory containing V8 header files")
54 parser.add_option("--shared-v8-libpath",
56 dest="shared_v8_libpath",
57 help="A directory to search for the shared V8 DLL")
59 parser.add_option("--shared-v8-libname",
61 dest="shared_v8_libname",
62 help="Alternative lib name to link to (default: 'v8')")
64 parser.add_option("--shared-openssl",
66 dest="shared_openssl",
67 help="Link to a shared OpenSSl DLL instead of static linking")
69 parser.add_option("--shared-openssl-includes",
71 dest="shared_openssl_includes",
72 help="Directory containing OpenSSL header files")
74 parser.add_option("--shared-openssl-libpath",
76 dest="shared_openssl_libpath",
77 help="A directory to search for the shared OpenSSL DLLs")
79 parser.add_option("--shared-openssl-libname",
81 dest="shared_openssl_libname",
82 help="Alternative lib name to link to (default: 'crypto,ssl')")
85 parser.add_option("--openssl-use-sys",
87 dest="shared_openssl",
88 help=optparse.SUPPRESS_HELP)
91 parser.add_option("--openssl-includes",
93 dest="shared_openssl_includes",
94 help=optparse.SUPPRESS_HELP)
97 parser.add_option("--openssl-libpath",
99 dest="shared_openssl_libpath",
100 help=optparse.SUPPRESS_HELP)
102 parser.add_option("--no-ssl2",
105 help="Disable OpenSSL v2")
107 parser.add_option("--shared-zlib",
110 help="Link to a shared zlib DLL instead of static linking")
112 parser.add_option("--shared-zlib-includes",
114 dest="shared_zlib_includes",
115 help="Directory containing zlib header files")
117 parser.add_option("--shared-zlib-libpath",
119 dest="shared_zlib_libpath",
120 help="A directory to search for the shared zlib DLL")
122 parser.add_option("--shared-zlib-libname",
124 dest="shared_zlib_libname",
125 help="Alternative lib name to link to (default: 'z')")
127 parser.add_option("--with-dtrace",
130 help="Build with DTrace (default is true on supported systems)")
132 parser.add_option("--without-dtrace",
134 dest="without_dtrace",
135 help="Build without DTrace")
137 parser.add_option("--with-etw",
140 help="Build with ETW (default is true on Windows)")
142 parser.add_option("--without-etw",
145 help="Build without ETW")
147 # CHECKME does this still work with recent releases of V8?
148 parser.add_option("--gdb",
151 help="add gdb support")
153 parser.add_option("--dest-cpu",
156 help="CPU architecture to build for. Valid values are: arm, ia32, x64")
158 parser.add_option("--dest-os",
161 help="Operating system to build for. Valid values are: "
162 "win, mac, solaris, freebsd, linux")
164 parser.add_option("--no-ifaddrs",
167 help="Use on deprecated SunOS systems that do not support ifaddrs.h")
169 parser.add_option("--with-arm-float-abi",
171 dest="arm_float_abi",
172 help="Specifies which floating-point ABI to use. Valid values are: "
173 "soft, softfp, hard")
175 parser.add_option("--ninja",
178 help="Generate files for the ninja build system")
180 # Using --unsafe-optimizations voids your warranty.
181 parser.add_option("--unsafe-optimizations",
183 dest="unsafe_optimizations",
184 help=optparse.SUPPRESS_HELP)
186 (options, args) = parser.parse_args()
190 """Returns the string 'true' if value is truthy, 'false' otherwise."""
198 cmd = os.popen('pkg-config --libs %s' % pkg, 'r')
199 libs = cmd.readline().strip()
201 if (ret): return None
203 cmd = os.popen('pkg-config --cflags %s' % pkg, 'r')
204 cflags = cmd.readline().strip()
206 if (ret): return None
208 return (libs, cflags)
212 """Checks predefined macros using the CC command."""
215 p = subprocess.Popen(shlex.split(CC) + ['-dM', '-E', '-'],
216 stdin=subprocess.PIPE,
217 stdout=subprocess.PIPE,
218 stderr=subprocess.PIPE)
220 print '''Node.js configure error: No acceptable C compiler found!
222 Please make sure you have a C compiler installed on your system and/or
223 consider adjusting the CC environment variable if you installed
224 it in a non-standard prefix.
229 out = p.communicate()[0]
231 out = str(out).split('\n')
235 lst = shlex.split(line)
244 """Check for ARMv7 instructions"""
245 cc_macros_cache = cc_macros()
246 return ('__ARM_ARCH_7__' in cc_macros_cache or
247 '__ARM_ARCH_7A__' in cc_macros_cache or
248 '__ARM_ARCH_7R__' in cc_macros_cache or
249 '__ARM_ARCH_7M__' in cc_macros_cache)
252 def arm_hard_float_abi():
253 """Check for hardfloat or softfloat eabi on ARM"""
254 # GCC versions 4.6 and above define __ARM_PCS or __ARM_PCS_VFP to specify
255 # the Floating Point ABI used (PCS stands for Procedure Call Standard).
256 # We use these as well as a couple of other defines to statically determine
258 # GCC versions 4.4 and below don't support hard-fp.
259 # GCC versions 4.5 may support hard-fp without defining __ARM_PCS or
262 if compiler_version() >= (4, 6, 0):
263 return '__ARM_PCS_VFP' in cc_macros()
264 elif compiler_version() < (4, 5, 0):
266 elif '__ARM_PCS_VFP' in cc_macros():
268 elif ('__ARM_PCS' in cc_macros() or
269 '__SOFTFP' in cc_macros() or
270 not '__VFP_FP__' in cc_macros()):
273 print '''Node.js configure error: Your version of GCC does not report
274 the Floating-Point ABI to compile for your hardware
276 Please manually specify which floating-point ABI to use with the
277 --with-arm-float-abi option.
283 """Host architecture check using the CC command."""
288 '__x86_64__' : 'x64',
293 rtn = 'ia32' # default
296 if i in k and k[i] != '0':
304 """Host architecture check using environ vars (better way to do this?)"""
306 arch = os.environ.get('PROCESSOR_ARCHITECTURE', 'x86')
314 return matchup.get(arch, 'ia32')
317 def compiler_version():
319 proc = subprocess.Popen(shlex.split(CC) + ['--version'], stdout=subprocess.PIPE)
323 is_clang = 'clang' in proc.communicate()[0].split('\n')[0]
325 proc = subprocess.Popen(shlex.split(CC) + ['-dumpversion'], stdout=subprocess.PIPE)
326 version = tuple(map(int, proc.communicate()[0].split('.')))
328 return (version, is_clang)
331 def configure_arm(o):
332 # V8 on ARM requires that armv7 is set. CPU Model detected by
333 # the presence of __ARM_ARCH_7__ and the like defines in compiler
334 if options.arm_float_abi:
335 hard_float = options.arm_float_abi == 'hard'
337 hard_float = arm_hard_float_abi()
338 o['variables']['v8_use_arm_eabi_hardfloat'] = b(hard_float)
340 armv7 = is_arch_armv7()
342 # CHECKME VFPv3 implies ARMv7+ but is the reverse true as well?
343 o['variables']['arm_fpu'] = 'vfpv3'
344 o['variables']['arm_neon'] = 0
345 o['variables']['armv7'] = int(armv7)
348 def configure_node(o):
349 o['variables']['v8_enable_gdbjit'] = 1 if options.gdb else 0
350 o['variables']['v8_no_strict_aliasing'] = 1 # work around compiler bugs
351 o['variables']['node_prefix'] = os.path.expanduser(options.prefix or '')
352 o['variables']['node_install_npm'] = b(not options.without_npm)
353 o['variables']['node_unsafe_optimizations'] = (
354 1 if options.unsafe_optimizations else 0)
355 o['default_configuration'] = 'Debug' if options.debug else 'Release'
357 host_arch = host_arch_win() if os.name == 'nt' else host_arch_cc()
358 target_arch = options.dest_cpu or host_arch
359 o['variables']['host_arch'] = host_arch
360 o['variables']['target_arch'] = target_arch
362 if target_arch == 'arm':
365 cc_version, is_clang = compiler_version()
366 o['variables']['clang'] = 1 if is_clang else 0
368 if not is_clang and cc_version != 0:
369 o['variables']['gcc_version'] = 10 * cc_version[0] + cc_version[1]
371 # clang has always supported -fvisibility=hidden, right?
372 if not is_clang and cc_version < (4,0,0):
373 o['variables']['visibility'] = ''
375 # By default, enable DTrace on SunOS systems. Don't allow it on other
376 # systems, since it won't work. (The MacOS build process is different than
377 # SunOS, and we haven't implemented it.)
378 if sys.platform.startswith('sunos'):
379 o['variables']['node_use_dtrace'] = b(not options.without_dtrace)
380 elif sys.platform.startswith('linux'):
381 o['variables']['node_use_dtrace'] = 'false'
382 o['variables']['node_use_systemtap'] = b(not options.without_dtrace)
383 elif b(options.with_dtrace) == 'true':
385 'DTrace is currently only supported on SunOS or Linux systems.')
387 o['variables']['node_use_dtrace'] = 'false'
389 if options.no_ifaddrs:
390 o['defines'] += ['SUNOS_NO_IFADDRS']
392 # By default, enable ETW on Windows.
393 if sys.platform.startswith('win32'):
394 o['variables']['node_use_etw'] = b(not options.without_etw);
395 elif b(options.with_etw) == 'true':
396 raise Exception('ETW is only supported on Windows.')
398 o['variables']['node_use_etw'] = 'false'
401 def configure_libz(o):
402 o['variables']['node_shared_zlib'] = b(options.shared_zlib)
404 # assume shared_zlib if one of these is set?
405 if options.shared_zlib_libpath:
406 o['libraries'] += ['-L%s' % options.shared_zlib_libpath]
407 if options.shared_zlib_libname:
408 o['libraries'] += ['-l%s' % options.shared_zlib_libname]
409 elif options.shared_zlib:
410 o['libraries'] += ['-lz']
411 if options.shared_zlib_includes:
412 o['include_dirs'] += [options.shared_zlib_includes]
416 o['variables']['v8_use_snapshot'] = b(not options.without_snapshot)
417 o['variables']['node_shared_v8'] = b(options.shared_v8)
419 # assume shared_v8 if one of these is set?
420 if options.shared_v8_libpath:
421 o['libraries'] += ['-L%s' % options.shared_v8_libpath]
422 if options.shared_v8_libname:
423 o['libraries'] += ['-l%s' % options.shared_v8_libname]
424 elif options.shared_v8:
425 o['libraries'] += ['-lv8']
426 if options.shared_v8_includes:
427 o['include_dirs'] += [options.shared_v8_includes]
430 def configure_openssl(o):
431 o['variables']['node_use_openssl'] = b(not options.without_ssl)
432 o['variables']['node_shared_openssl'] = b(options.shared_openssl)
434 if options.without_ssl:
438 o['defines'] += ['OPENSSL_NO_SSL2=1']
440 if options.shared_openssl:
441 (libs, cflags) = pkg_config('openssl') or ('-lssl -lcrypto', '')
443 if options.shared_openssl_libpath:
444 o['libraries'] += ['-L%s' % options.shared_openssl_libpath]
446 if options.shared_openssl_libname:
447 libnames = options.shared_openssl_libname.split(',')
448 o['libraries'] += ['-l%s' % s for s in libnames]
450 o['libraries'] += libs.split()
452 if options.shared_openssl_includes:
453 o['include_dirs'] += [options.shared_openssl_includes]
455 o['cflags'] += cflags.split()
466 configure_node(output)
467 configure_libz(output)
469 configure_openssl(output)
471 # variables should be a root level element,
472 # move everything else to target_defaults
473 variables = output['variables']
474 del output['variables']
476 'variables': variables,
477 'target_defaults': output
479 pprint.pprint(output, indent=2)
481 def write(filename, data):
482 filename = os.path.join(root_dir, filename)
483 print "creating ", filename
484 f = open(filename, 'w+')
487 write('config.gypi', "# Do not edit. Generated by the configure script.\n" +
488 pprint.pformat(output, indent=2) + "\n")
491 'BUILDTYPE': 'Debug' if options.debug else 'Release',
492 'USE_NINJA': str(int(options.use_ninja or 0)),
494 config = '\n'.join(map('='.join, config.iteritems())) + '\n'
497 '# Do not edit. Generated by the configure script.\n' + config)
499 if options.use_ninja:
500 gyp_args = ['-f', 'ninja']
501 elif os.name == 'nt':
502 gyp_args = ['-f', 'msvs', '-G', 'msvs_version=auto']
503 elif options.dest_os:
504 gyp_args = ['-f', 'make-' + options.dest_os]
506 gyp_args = ['-f', 'make']
508 subprocess.call([sys.executable, 'tools/gyp_node'] + gyp_args)