9 CC = os.environ.get('CC', 'cc')
11 root_dir = os.path.dirname(__file__)
12 sys.path.insert(0, os.path.join(root_dir, 'deps', 'v8', 'tools'))
15 parser = optparse.OptionParser()
17 parser.add_option("--debug",
20 help="Also build debug build")
22 parser.add_option("--prefix",
25 help="Select the install prefix (defaults to /usr/local)")
27 parser.add_option("--without-npm",
30 help="Don\'t install the bundled npm package manager")
32 parser.add_option("--without-waf",
35 help="Don\'t install node-waf")
37 parser.add_option("--without-ssl",
40 help="Build without SSL")
42 parser.add_option("--without-snapshot",
44 dest="without_snapshot",
45 help="Build without snapshotting V8 libraries. You might want to set"
46 " this for cross-compiling. [Default: False]")
48 parser.add_option("--shared-v8",
51 help="Link to a shared V8 DLL instead of static linking")
53 parser.add_option("--shared-v8-includes",
55 dest="shared_v8_includes",
56 help="Directory containing V8 header files")
58 parser.add_option("--shared-v8-libpath",
60 dest="shared_v8_libpath",
61 help="A directory to search for the shared V8 DLL")
63 parser.add_option("--shared-v8-libname",
65 dest="shared_v8_libname",
66 help="Alternative lib name to link to (default: 'v8')")
68 parser.add_option("--shared-openssl",
70 dest="shared_openssl",
71 help="Link to a shared OpenSSl DLL instead of static linking")
73 parser.add_option("--shared-openssl-includes",
75 dest="shared_openssl_includes",
76 help="Directory containing OpenSSL header files")
78 parser.add_option("--shared-openssl-libpath",
80 dest="shared_openssl_libpath",
81 help="A directory to search for the shared OpenSSL DLLs")
83 parser.add_option("--shared-openssl-libname",
85 dest="shared_openssl_libname",
86 help="Alternative lib name to link to (default: 'crypto,ssl')")
89 parser.add_option("--openssl-use-sys",
91 dest="shared_openssl",
92 help=optparse.SUPPRESS_HELP)
95 parser.add_option("--openssl-includes",
97 dest="shared_openssl_includes",
98 help=optparse.SUPPRESS_HELP)
101 parser.add_option("--openssl-libpath",
103 dest="shared_openssl_libpath",
104 help=optparse.SUPPRESS_HELP)
106 parser.add_option("--no-ssl2",
109 help="Disable OpenSSL v2")
111 parser.add_option("--shared-zlib",
114 help="Link to a shared zlib DLL instead of static linking")
116 parser.add_option("--shared-zlib-includes",
118 dest="shared_zlib_includes",
119 help="Directory containing zlib header files")
121 parser.add_option("--shared-zlib-libpath",
123 dest="shared_zlib_libpath",
124 help="A directory to search for the shared zlib DLL")
126 parser.add_option("--shared-zlib-libname",
128 dest="shared_zlib_libname",
129 help="Alternative lib name to link to (default: 'z')")
131 parser.add_option("--with-dtrace",
134 help="Build with DTrace (default is true on supported systems)")
136 parser.add_option("--without-dtrace",
138 dest="without_dtrace",
139 help="Build without DTrace")
141 parser.add_option("--with-etw",
144 help="Build with ETW (default is true on Windows)")
146 parser.add_option("--without-etw",
149 help="Build without ETW")
151 # CHECKME does this still work with recent releases of V8?
152 parser.add_option("--gdb",
155 help="add gdb support")
157 parser.add_option("--dest-cpu",
160 help="CPU architecture to build for. Valid values are: arm, ia32, x64")
162 parser.add_option("--dest-os",
165 help="Operating system to build for. Valid values are: "
166 "win, mac, solaris, freebsd, linux")
168 parser.add_option("--no-ifaddrs",
171 help="Use on deprecated SunOS systems that do not support ifaddrs.h")
173 parser.add_option("--with-arm-float-abi",
175 dest="arm_float_abi",
176 help="Specifies which floating-point ABI to use. Valid values are: "
177 "soft, softfp, hard")
179 # Using --unsafe-optimizations voids your warranty.
180 parser.add_option("--unsafe-optimizations",
182 dest="unsafe_optimizations",
183 help=optparse.SUPPRESS_HELP)
185 parser.add_option("--tag",
188 help="Custom build tag")
190 (options, args) = parser.parse_args()
194 """Returns the string 'true' if value is truthy, 'false' otherwise."""
202 cmd = os.popen('pkg-config --libs %s' % pkg, 'r')
203 libs = cmd.readline().strip()
205 if (ret): return None
207 cmd = os.popen('pkg-config --cflags %s' % pkg, 'r')
208 cflags = cmd.readline().strip()
210 if (ret): return None
212 return (libs, cflags)
216 """Checks predefined macros using the CC command."""
219 p = subprocess.Popen(CC.split() + ['-dM', '-E', '-'],
220 stdin=subprocess.PIPE,
221 stdout=subprocess.PIPE,
222 stderr=subprocess.PIPE)
224 print '''Node.js configure error: No acceptable C compiler found!
226 Please make sure you have a C compiler installed on your system and/or
227 consider adjusting the CC environment variable if you installed
228 it in a non-standard prefix.
233 out = p.communicate()[0]
235 out = str(out).split('\n')
240 lst = shlex.split(line)
249 """Check for ARMv7 instructions"""
250 cc_macros_cache = cc_macros()
251 return ('__ARM_ARCH_7__' in cc_macros_cache or
252 '__ARM_ARCH_7A__' in cc_macros_cache or
253 '__ARM_ARCH_7R__' in cc_macros_cache or
254 '__ARM_ARCH_7M__' in cc_macros_cache)
257 def arm_hard_float_abi():
258 """Check for hardfloat or softfloat eabi on ARM"""
259 # GCC versions 4.6 and above define __ARM_PCS or __ARM_PCS_VFP to specify
260 # the Floating Point ABI used (PCS stands for Procedure Call Standard).
261 # We use these as well as a couple of other defines to statically determine
263 # GCC versions 4.4 and below don't support hard-fp.
264 # GCC versions 4.5 may support hard-fp without defining __ARM_PCS or
267 if compiler_version() >= (4, 6, 0):
268 return '__ARM_PCS_VFP' in cc_macros()
269 elif compiler_version() < (4, 5, 0):
271 elif '__ARM_PCS_VFP' in cc_macros():
273 elif ('__ARM_PCS' in cc_macros() or
274 '__SOFTFP' in cc_macros() or
275 not '__VFP_FP__' in cc_macros()):
278 print '''Node.js configure error: Your version of GCC does not report
279 the Floating-Point ABI to compile for your hardware
281 Please manually specify which floating-point ABI to use with the
282 --with-arm-float-abi option.
288 """Host architecture check using the CC command."""
293 '__x86_64__' : 'x64',
298 rtn = 'ia32' # default
301 if i in k and k[i] != '0':
309 """Host architecture check using environ vars (better way to do this?)"""
311 arch = os.environ.get('PROCESSOR_ARCHITECTURE', 'x86')
319 return matchup.get(arch, 'ia32')
322 def compiler_version():
324 proc = subprocess.Popen(CC.split() + ['--version'], stdout=subprocess.PIPE)
328 is_clang = 'clang' in proc.communicate()[0].split('\n')[0]
330 proc = subprocess.Popen(CC.split() + ['-dumpversion'], stdout=subprocess.PIPE)
331 version = tuple(map(int, proc.communicate()[0].split('.')))
333 return (version, is_clang)
336 def configure_arm(o):
337 # V8 on ARM requires that armv7 is set. CPU Model detected by
338 # the presence of __ARM_ARCH_7__ and the like defines in compiler
339 if options.arm_float_abi:
340 hard_float = options.arm_float_abi == 'hard'
342 hard_float = arm_hard_float_abi()
343 o['variables']['v8_use_arm_eabi_hardfloat'] = b(hard_float)
345 armv7 = is_arch_armv7()
347 # CHECKME VFPv3 implies ARMv7+ but is the reverse true as well?
348 o['variables']['arm_fpu'] = 'vfpv3'
349 o['variables']['arm_neon'] = 0
350 o['variables']['armv7'] = int(armv7)
353 def configure_node(o):
355 o['variables']['v8_no_strict_aliasing'] = 1 # work around compiler bugs
356 o['variables']['node_prefix'] = os.path.expanduser(options.prefix or '')
357 o['variables']['node_install_npm'] = b(not options.without_npm)
358 o['variables']['node_install_waf'] = b(not options.without_waf)
359 o['variables']['node_unsafe_optimizations'] = (
360 1 if options.unsafe_optimizations else 0)
361 o['default_configuration'] = 'Debug' if options.debug else 'Release'
363 host_arch = host_arch_win() if os.name == 'nt' else host_arch_cc()
364 target_arch = options.dest_cpu or host_arch
365 o['variables']['host_arch'] = host_arch
366 o['variables']['target_arch'] = target_arch
368 if target_arch == 'arm':
371 cc_version, is_clang = compiler_version()
372 o['variables']['clang'] = 1 if is_clang else 0
374 if not is_clang and cc_version != 0:
375 o['variables']['gcc_version'] = 10 * cc_version[0] + cc_version[1]
377 # clang has always supported -fvisibility=hidden, right?
378 if not is_clang and cc_version < (4,0,0):
379 o['variables']['visibility'] = ''
381 # By default, enable DTrace on SunOS systems. Don't allow it on other
382 # systems, since it won't work. (The MacOS build process is different than
383 # SunOS, and we haven't implemented it.)
384 if sys.platform.startswith('sunos'):
385 o['variables']['node_use_dtrace'] = b(not options.without_dtrace)
386 elif b(options.with_dtrace) == 'true':
387 raise Exception('DTrace is currently only supported on SunOS systems.')
389 o['variables']['node_use_dtrace'] = 'false'
391 if options.no_ifaddrs:
392 o['defines'] += ['SUNOS_NO_IFADDRS']
394 # By default, enable ETW on Windows.
395 if sys.platform.startswith('win32'):
396 o['variables']['node_use_etw'] = b(not options.without_etw);
397 elif b(options.with_etw) == 'true':
398 raise Exception('ETW is only supported on Windows.')
400 o['variables']['node_use_etw'] = 'false'
403 o['variables']['node_tag'] = '-' + options.tag
405 o['variables']['node_tag'] = ''
408 def configure_libz(o):
409 o['variables']['node_shared_zlib'] = b(options.shared_zlib)
411 # assume shared_zlib if one of these is set?
412 if options.shared_zlib_libpath:
413 o['libraries'] += ['-L%s' % options.shared_zlib_libpath]
414 if options.shared_zlib_libname:
415 o['libraries'] += ['-l%s' % options.shared_zlib_libname]
416 elif options.shared_zlib:
417 o['libraries'] += ['-lz']
418 if options.shared_zlib_includes:
419 o['include_dirs'] += [options.shared_zlib_includes]
423 o['variables']['v8_use_snapshot'] = b(not options.without_snapshot)
424 o['variables']['node_shared_v8'] = b(options.shared_v8)
426 # assume shared_v8 if one of these is set?
427 if options.shared_v8_libpath:
428 o['libraries'] += ['-L%s' % options.shared_v8_libpath]
429 if options.shared_v8_libname:
430 o['libraries'] += ['-l%s' % options.shared_v8_libname]
431 elif options.shared_v8:
432 o['libraries'] += ['-lv8']
433 if options.shared_v8_includes:
434 o['include_dirs'] += [options.shared_v8_includes]
437 def configure_openssl(o):
438 o['variables']['node_use_openssl'] = b(not options.without_ssl)
439 o['variables']['node_shared_openssl'] = b(options.shared_openssl)
441 if options.without_ssl:
445 o['defines'] += ['OPENSSL_NO_SSL2=1']
447 if options.shared_openssl:
448 (libs, cflags) = pkg_config('openssl') or ('-lssl -lcrypto', '')
450 if options.shared_openssl_libpath:
451 o['libraries'] += ['-L%s' % options.shared_openssl_libpath]
453 if options.shared_openssl_libname:
454 libnames = options.shared_openssl_libname.split(',')
455 o['libraries'] += ['-l%s' % s for s in libnames]
457 o['libraries'] += libs.split()
459 if options.shared_openssl_includes:
460 o['include_dirs'] += [options.shared_openssl_includes]
462 o['cflags'] += cflags.split()
473 configure_node(output)
474 configure_libz(output)
476 configure_openssl(output)
478 # variables should be a root level element,
479 # move everything else to target_defaults
480 variables = output['variables']
481 del output['variables']
483 'variables': variables,
484 'target_defaults': output
486 pprint.pprint(output, indent=2)
488 def write(filename, data):
489 filename = os.path.join(root_dir, filename)
490 print "creating ", filename
491 f = open(filename, 'w+')
494 write('config.gypi', "# Do not edit. Generated by the configure script.\n" +
495 pprint.pformat(output, indent=2) + "\n")
497 write('config.mk', "# Do not edit. Generated by the configure script.\n" +
498 ("BUILDTYPE=%s\n" % ('Debug' if options.debug else 'Release')))
501 gyp_args = ['-f', 'msvs', '-G', 'msvs_version=2010']
502 elif options.dest_os:
503 gyp_args = ['-f', 'make-' + options.dest_os]
505 gyp_args = ['-f', 'make']
507 subprocess.call([sys.executable, 'tools/gyp_node'] + gyp_args)