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 # TODO document when we've decided on what the tracing API and its options will
104 parser.add_option("--systemtap-includes",
106 dest="systemtap_includes",
107 help=optparse.SUPPRESS_HELP)
109 parser.add_option("--no-ssl2",
112 help="Disable OpenSSL v2")
114 parser.add_option("--shared-zlib",
117 help="Link to a shared zlib DLL instead of static linking")
119 parser.add_option("--shared-zlib-includes",
121 dest="shared_zlib_includes",
122 help="Directory containing zlib header files")
124 parser.add_option("--shared-zlib-libpath",
126 dest="shared_zlib_libpath",
127 help="A directory to search for the shared zlib DLL")
129 parser.add_option("--shared-zlib-libname",
131 dest="shared_zlib_libname",
132 help="Alternative lib name to link to (default: 'z')")
134 parser.add_option("--with-dtrace",
137 help="Build with DTrace (default is true on supported systems)")
139 parser.add_option("--without-dtrace",
141 dest="without_dtrace",
142 help="Build without DTrace")
144 parser.add_option("--with-etw",
147 help="Build with ETW (default is true on Windows)")
149 parser.add_option("--without-etw",
152 help="Build without ETW")
154 # CHECKME does this still work with recent releases of V8?
155 parser.add_option("--gdb",
158 help="add gdb support")
160 parser.add_option("--dest-cpu",
163 help="CPU architecture to build for. Valid values are: arm, ia32, x64")
165 parser.add_option("--dest-os",
168 help="Operating system to build for. Valid values are: "
169 "win, mac, solaris, freebsd, linux")
171 parser.add_option("--no-ifaddrs",
174 help="Use on deprecated SunOS systems that do not support ifaddrs.h")
176 parser.add_option("--with-arm-float-abi",
178 dest="arm_float_abi",
179 help="Specifies which floating-point ABI to use. Valid values are: "
180 "soft, softfp, hard")
182 parser.add_option("--ninja",
185 help="Generate files for the ninja build system")
187 # Using --unsafe-optimizations voids your warranty.
188 parser.add_option("--unsafe-optimizations",
190 dest="unsafe_optimizations",
191 help=optparse.SUPPRESS_HELP)
193 (options, args) = parser.parse_args()
197 """Returns the string 'true' if value is truthy, 'false' otherwise."""
205 cmd = os.popen('pkg-config --libs %s' % pkg, 'r')
206 libs = cmd.readline().strip()
208 if (ret): return None
210 cmd = os.popen('pkg-config --cflags %s' % pkg, 'r')
211 cflags = cmd.readline().strip()
213 if (ret): return None
215 return (libs, cflags)
219 """Checks predefined macros using the CC command."""
222 p = subprocess.Popen(shlex.split(CC) + ['-dM', '-E', '-'],
223 stdin=subprocess.PIPE,
224 stdout=subprocess.PIPE,
225 stderr=subprocess.PIPE)
227 print '''Node.js configure error: No acceptable C compiler found!
229 Please make sure you have a C compiler installed on your system and/or
230 consider adjusting the CC environment variable if you installed
231 it in a non-standard prefix.
236 out = p.communicate()[0]
238 out = str(out).split('\n')
242 lst = shlex.split(line)
251 """Check for ARMv7 instructions"""
252 cc_macros_cache = cc_macros()
253 return ('__ARM_ARCH_7__' in cc_macros_cache or
254 '__ARM_ARCH_7A__' in cc_macros_cache or
255 '__ARM_ARCH_7R__' in cc_macros_cache or
256 '__ARM_ARCH_7M__' in cc_macros_cache)
259 def arm_hard_float_abi():
260 """Check for hardfloat or softfloat eabi on ARM"""
261 # GCC versions 4.6 and above define __ARM_PCS or __ARM_PCS_VFP to specify
262 # the Floating Point ABI used (PCS stands for Procedure Call Standard).
263 # We use these as well as a couple of other defines to statically determine
265 # GCC versions 4.4 and below don't support hard-fp.
266 # GCC versions 4.5 may support hard-fp without defining __ARM_PCS or
269 if compiler_version() >= (4, 6, 0):
270 return '__ARM_PCS_VFP' in cc_macros()
271 elif compiler_version() < (4, 5, 0):
273 elif '__ARM_PCS_VFP' in cc_macros():
275 elif ('__ARM_PCS' in cc_macros() or
276 '__SOFTFP' in cc_macros() or
277 not '__VFP_FP__' in cc_macros()):
280 print '''Node.js configure error: Your version of GCC does not report
281 the Floating-Point ABI to compile for your hardware
283 Please manually specify which floating-point ABI to use with the
284 --with-arm-float-abi option.
290 """Host architecture check using the CC command."""
295 '__x86_64__' : 'x64',
300 rtn = 'ia32' # default
303 if i in k and k[i] != '0':
311 """Host architecture check using environ vars (better way to do this?)"""
313 arch = os.environ.get('PROCESSOR_ARCHITECTURE', 'x86')
321 return matchup.get(arch, 'ia32')
324 def compiler_version():
326 proc = subprocess.Popen(shlex.split(CC) + ['--version'], stdout=subprocess.PIPE)
330 is_clang = 'clang' in proc.communicate()[0].split('\n')[0]
332 proc = subprocess.Popen(shlex.split(CC) + ['-dumpversion'], stdout=subprocess.PIPE)
333 version = tuple(map(int, proc.communicate()[0].split('.')))
335 return (version, is_clang)
338 def configure_arm(o):
339 # V8 on ARM requires that armv7 is set. CPU Model detected by
340 # the presence of __ARM_ARCH_7__ and the like defines in compiler
341 if options.arm_float_abi:
342 hard_float = options.arm_float_abi == 'hard'
344 hard_float = arm_hard_float_abi()
345 o['variables']['v8_use_arm_eabi_hardfloat'] = b(hard_float)
347 armv7 = is_arch_armv7()
349 # CHECKME VFPv3 implies ARMv7+ but is the reverse true as well?
350 o['variables']['arm_fpu'] = 'vfpv3'
351 o['variables']['arm_neon'] = 0
352 o['variables']['armv7'] = int(armv7)
355 def configure_node(o):
356 o['variables']['v8_enable_gdbjit'] = 1 if options.gdb else 0
357 o['variables']['v8_no_strict_aliasing'] = 1 # work around compiler bugs
358 o['variables']['node_prefix'] = os.path.expanduser(options.prefix or '')
359 o['variables']['node_install_npm'] = b(not options.without_npm)
360 o['variables']['node_unsafe_optimizations'] = (
361 1 if options.unsafe_optimizations else 0)
362 o['default_configuration'] = 'Debug' if options.debug else 'Release'
364 host_arch = host_arch_win() if os.name == 'nt' else host_arch_cc()
365 target_arch = options.dest_cpu or host_arch
366 o['variables']['host_arch'] = host_arch
367 o['variables']['target_arch'] = target_arch
369 if target_arch == 'arm':
372 cc_version, is_clang = compiler_version()
373 o['variables']['clang'] = 1 if is_clang else 0
375 if not is_clang and cc_version != 0:
376 o['variables']['gcc_version'] = 10 * cc_version[0] + cc_version[1]
378 # clang has always supported -fvisibility=hidden, right?
379 if not is_clang and cc_version < (4,0,0):
380 o['variables']['visibility'] = ''
382 # By default, enable DTrace on SunOS systems. Don't allow it on other
383 # systems, since it won't work. (The MacOS build process is different than
384 # SunOS, and we haven't implemented it.)
385 if sys.platform.startswith('sunos'):
386 o['variables']['node_use_dtrace'] = b(not options.without_dtrace)
387 elif sys.platform.startswith('linux'):
388 o['variables']['node_use_dtrace'] = 'false'
389 o['variables']['node_use_systemtap'] = b(not options.without_dtrace)
390 if options.systemtap_includes:
391 o['include_dirs'] += [options.systemtap_includes]
392 elif b(options.with_dtrace) == 'true':
394 'DTrace is currently only supported on SunOS or Linux systems.')
396 o['variables']['node_use_dtrace'] = 'false'
398 if options.no_ifaddrs:
399 o['defines'] += ['SUNOS_NO_IFADDRS']
401 # By default, enable ETW on Windows.
402 if sys.platform.startswith('win32'):
403 o['variables']['node_use_etw'] = b(not options.without_etw);
404 elif b(options.with_etw) == 'true':
405 raise Exception('ETW is only supported on Windows.')
407 o['variables']['node_use_etw'] = 'false'
410 def configure_libz(o):
411 o['variables']['node_shared_zlib'] = b(options.shared_zlib)
413 # assume shared_zlib if one of these is set?
414 if options.shared_zlib_libpath:
415 o['libraries'] += ['-L%s' % options.shared_zlib_libpath]
416 if options.shared_zlib_libname:
417 o['libraries'] += ['-l%s' % options.shared_zlib_libname]
418 elif options.shared_zlib:
419 o['libraries'] += ['-lz']
420 if options.shared_zlib_includes:
421 o['include_dirs'] += [options.shared_zlib_includes]
425 o['variables']['v8_use_snapshot'] = b(not options.without_snapshot)
426 o['variables']['node_shared_v8'] = b(options.shared_v8)
428 # assume shared_v8 if one of these is set?
429 if options.shared_v8_libpath:
430 o['libraries'] += ['-L%s' % options.shared_v8_libpath]
431 if options.shared_v8_libname:
432 o['libraries'] += ['-l%s' % options.shared_v8_libname]
433 elif options.shared_v8:
434 o['libraries'] += ['-lv8']
435 if options.shared_v8_includes:
436 o['include_dirs'] += [options.shared_v8_includes]
439 def configure_openssl(o):
440 o['variables']['node_use_openssl'] = b(not options.without_ssl)
441 o['variables']['node_shared_openssl'] = b(options.shared_openssl)
443 if options.without_ssl:
447 o['defines'] += ['OPENSSL_NO_SSL2=1']
449 if options.shared_openssl:
450 (libs, cflags) = pkg_config('openssl') or ('-lssl -lcrypto', '')
452 if options.shared_openssl_libpath:
453 o['libraries'] += ['-L%s' % options.shared_openssl_libpath]
455 if options.shared_openssl_libname:
456 libnames = options.shared_openssl_libname.split(',')
457 o['libraries'] += ['-l%s' % s for s in libnames]
459 o['libraries'] += libs.split()
461 if options.shared_openssl_includes:
462 o['include_dirs'] += [options.shared_openssl_includes]
464 o['cflags'] += cflags.split()
475 configure_node(output)
476 configure_libz(output)
478 configure_openssl(output)
480 # variables should be a root level element,
481 # move everything else to target_defaults
482 variables = output['variables']
483 del output['variables']
485 'variables': variables,
486 'target_defaults': output
488 pprint.pprint(output, indent=2)
490 def write(filename, data):
491 filename = os.path.join(root_dir, filename)
492 print "creating ", filename
493 f = open(filename, 'w+')
496 write('config.gypi', "# Do not edit. Generated by the configure script.\n" +
497 pprint.pformat(output, indent=2) + "\n")
500 'BUILDTYPE': 'Debug' if options.debug else 'Release',
501 'USE_NINJA': str(int(options.use_ninja or 0)),
503 config = '\n'.join(map('='.join, config.iteritems())) + '\n'
506 '# Do not edit. Generated by the configure script.\n' + config)
508 if options.use_ninja:
509 gyp_args = ['-f', 'ninja']
510 elif os.name == 'nt':
511 gyp_args = ['-f', 'msvs', '-G', 'msvs_version=auto']
512 elif options.dest_os:
513 gyp_args = ['-f', 'make-' + options.dest_os]
515 gyp_args = ['-f', 'make']
517 subprocess.call([sys.executable, 'tools/gyp_node'] + gyp_args)