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#!/usr/bin/env python

import optparse

import os

import pprint

import re

import shlex

import subprocess

import sys

CC = os.environ.get('CC', 'cc')

root_dir = os.path.dirname(__file__)

sys.path.insert(0, os.path.join(root_dir, 'deps', 'v8', 'tools'))

# parse our options

parser = optparse.OptionParser()

parser.add_option("--debug",

action="store_true",

dest="debug",

help="Also build debug build")

parser.add_option("--prefix",

action="store",

dest="prefix",

help="Select the install prefix (defaults to /usr/local)")

parser.add_option("--without-npm",

action="store_true",

dest="without_npm",

help="Don\'t install the bundled npm package manager")

parser.add_option("--without-ssl",

action="store_true",

dest="without_ssl",

help="Build without SSL")

parser.add_option("--without-snapshot",

action="store_true",

dest="without_snapshot",

help="Build without snapshotting V8 libraries. You might want to set"

" this for cross-compiling. [Default: False]")

parser.add_option("--shared-v8",

action="store_true",

dest="shared_v8",

help="Link to a shared V8 DLL instead of static linking")

parser.add_option("--shared-v8-includes",

action="store",

dest="shared_v8_includes",

help="Directory containing V8 header files")

parser.add_option("--shared-v8-libpath",

action="store",

dest="shared_v8_libpath",

help="A directory to search for the shared V8 DLL")

parser.add_option("--shared-v8-libname",

action="store",

dest="shared_v8_libname",

help="Alternative lib name to link to (default: 'v8')")

parser.add_option("--shared-openssl",

action="store_true",

dest="shared_openssl",

help="Link to a shared OpenSSl DLL instead of static linking")

parser.add_option("--shared-openssl-includes",

action="store",

dest="shared_openssl_includes",

help="Directory containing OpenSSL header files")

parser.add_option("--shared-openssl-libpath",

action="store",

dest="shared_openssl_libpath",

help="A directory to search for the shared OpenSSL DLLs")

parser.add_option("--shared-openssl-libname",

action="store",

dest="shared_openssl_libname",

help="Alternative lib name to link to (default: 'crypto,ssl')")

# deprecated

parser.add_option("--openssl-use-sys",

action="store_true",

dest="shared_openssl",

help=optparse.SUPPRESS_HELP)

# deprecated

parser.add_option("--openssl-includes",

action="store",

dest="shared_openssl_includes",

help=optparse.SUPPRESS_HELP)

# deprecated

parser.add_option("--openssl-libpath",

action="store",

dest="shared_openssl_libpath",

help=optparse.SUPPRESS_HELP)

# TODO document when we've decided on what the tracing API and its options will

# look like

parser.add_option("--systemtap-includes",

action="store",

dest="systemtap_includes",

help=optparse.SUPPRESS_HELP)

parser.add_option("--no-ssl2",

action="store_true",

dest="no_ssl2",

help="Disable OpenSSL v2")

parser.add_option("--shared-zlib",

action="store_true",

dest="shared_zlib",

help="Link to a shared zlib DLL instead of static linking")

parser.add_option("--shared-zlib-includes",

action="store",

dest="shared_zlib_includes",

help="Directory containing zlib header files")

parser.add_option("--shared-zlib-libpath",

action="store",

dest="shared_zlib_libpath",

help="A directory to search for the shared zlib DLL")

parser.add_option("--shared-zlib-libname",

action="store",

dest="shared_zlib_libname",

help="Alternative lib name to link to (default: 'z')")

parser.add_option("--shared-http-parser",

action="store_true",

dest="shared_http_parser",

help="Link to a shared http_parser DLL instead of static linking")

parser.add_option("--shared-http-parser-includes",

action="store",

dest="shared_http_parser_includes",

help="Directory containing http_parser header files")

parser.add_option("--shared-http-parser-libpath",

action="store",

dest="shared_http_parser_libpath",

help="A directory to search for the shared http_parser DLL")

parser.add_option("--shared-http-parser-libname",

action="store",

dest="shared_http_parser_libname",

help="Alternative lib name to link to (default: 'http_parser')")

parser.add_option("--shared-cares",

action="store_true",

dest="shared_cares",

help="Link to a shared cares DLL instead of static linking")

parser.add_option("--shared-cares-includes",

action="store",

dest="shared_cares_includes",

help="Directory containing cares header files")

parser.add_option("--shared-cares-libpath",

action="store",

dest="shared_cares_libpath",

help="A directory to search for the shared cares DLL")

parser.add_option("--shared-cares-libname",

action="store",

dest="shared_cares_libname",

help="Alternative lib name to link to (default: 'cares')")

parser.add_option("--shared-libuv",

action="store_true",

dest="shared_libuv",

help="Link to a shared libuv DLL instead of static linking")

parser.add_option("--shared-libuv-includes",

action="store",

dest="shared_libuv_includes",

help="Directory containing libuv header files")

parser.add_option("--shared-libuv-libpath",

action="store",

dest="shared_libuv_libpath",

help="A directory to search for the shared libuv DLL")

parser.add_option("--shared-libuv-libname",

action="store",

dest="shared_libuv_libname",

help="Alternative lib name to link to (default: 'uv')")

parser.add_option("--with-dtrace",

action="store_true",

dest="with_dtrace",

help="Build with DTrace (default is true on sunos)")

parser.add_option("--without-dtrace",

action="store_true",

dest="without_dtrace",

help="Build without DTrace")

parser.add_option("--with-etw",

action="store_true",

dest="with_etw",

help="Build with ETW (default is true on Windows)")

parser.add_option("--without-etw",

action="store_true",

dest="without_etw",

help="Build without ETW")

parser.add_option("--with-perfctr",

action="store_true",

dest="with_perfctr",

help="Build with performance counters (default is true on Windows)")

parser.add_option("--without-perfctr",

action="store_true",

dest="without_perfctr",

help="Build without performance counters")

# CHECKME does this still work with recent releases of V8?

parser.add_option("--gdb",

action="store_true",

dest="gdb",

help="add gdb support")

parser.add_option("--dest-cpu",

action="store",

dest="dest_cpu",

help="CPU architecture to build for. Valid values are: arm, ia32, x64")

parser.add_option("--dest-os",

action="store",

dest="dest_os",

help="Operating system to build for. Valid values are: "

"win, mac, solaris, freebsd, linux")

parser.add_option("--no-ifaddrs",

action="store_true",

dest="no_ifaddrs",

help="Use on deprecated SunOS systems that do not support ifaddrs.h")

parser.add_option("--with-arm-float-abi",

action="store",

dest="arm_float_abi",

help="Specifies which floating-point ABI to use. Valid values are: "

"soft, softfp, hard")

parser.add_option("--ninja",

action="store_true",

dest="use_ninja",

help="Generate files for the ninja build system")

# Using --unsafe-optimizations voids your warranty.

parser.add_option("--unsafe-optimizations",

action="store_true",

dest="unsafe_optimizations",

help=optparse.SUPPRESS_HELP)

parser.add_option("--xcode",

action="store_true",

dest="use_xcode",

help="Generate build files for use with xcode")

parser.add_option("--tag",

action="store",

dest="tag",

help="Custom build tag")

(options, args) = parser.parse_args()

def b(value):

"""Returns the string 'true' if value is truthy, 'false' otherwise."""

if value:

return 'true'

else:

return 'false'

def pkg_config(pkg):

cmd = os.popen('pkg-config --libs %s' % pkg, 'r')

libs = cmd.readline().strip()

ret = cmd.close()

if (ret): return None

cmd = os.popen('pkg-config --cflags %s' % pkg, 'r')

cflags = cmd.readline().strip()

ret = cmd.close()

if (ret): return None

return (libs, cflags)

def cc_macros():

"""Checks predefined macros using the CC command."""

try:

p = subprocess.Popen(shlex.split(CC) + ['-dM', '-E', '-'],

stdin=subprocess.PIPE,

stdout=subprocess.PIPE,

stderr=subprocess.PIPE)

except OSError:

print '''Node.js configure error: No acceptable C compiler found!

Please make sure you have a C compiler installed on your system and/or

consider adjusting the CC environment variable if you installed

it in a non-standard prefix.

'''

sys.exit()

p.stdin.write('\n')

out = p.communicate()[0]

out = str(out).split('\n')

k = {}

for line in out:

lst = shlex.split(line)

if len(lst) > 2:

key = lst[1]

val = lst[2]

k[key] = val

return k

def is_arch_armv7():

"""Check for ARMv7 instructions"""

cc_macros_cache = cc_macros()

return ('__ARM_ARCH_7__' in cc_macros_cache or

'__ARM_ARCH_7A__' in cc_macros_cache or

'__ARM_ARCH_7R__' in cc_macros_cache or

'__ARM_ARCH_7M__' in cc_macros_cache)

def is_arm_neon():

"""Check for ARM NEON support"""

return '__ARM_NEON__' in cc_macros()

def is_arm_hard_float_abi():

"""Check for hardfloat or softfloat eabi on ARM"""

# GCC versions 4.6 and above define __ARM_PCS or __ARM_PCS_VFP to specify

# the Floating Point ABI used (PCS stands for Procedure Call Standard).

# We use these as well as a couple of other defines to statically determine

# what FP ABI used.

# GCC versions 4.4 and below don't support hard-fp.

# GCC versions 4.5 may support hard-fp without defining __ARM_PCS or

# __ARM_PCS_VFP.

if compiler_version() >= (4, 6, 0):

return '__ARM_PCS_VFP' in cc_macros()

elif compiler_version() < (4, 5, 0):

return False

elif '__ARM_PCS_VFP' in cc_macros():

return True

elif ('__ARM_PCS' in cc_macros() or

'__SOFTFP' in cc_macros() or

not '__VFP_FP__' in cc_macros()):

return False

else:

print '''Node.js configure error: Your version of GCC does not report

the Floating-Point ABI to compile for your hardware

Please manually specify which floating-point ABI to use with the

--with-arm-float-abi option.

'''

sys.exit()

def host_arch_cc():

"""Host architecture check using the CC command."""

k = cc_macros()

matchup = {

'__x86_64__' : 'x64',

'__i386__' : 'ia32',

'__arm__' : 'arm',

}

rtn = 'ia32' # default

for i in matchup:

if i in k and k[i] != '0':

rtn = matchup[i]

break

return rtn

def host_arch_win():

"""Host architecture check using environ vars (better way to do this?)"""

arch = os.environ.get('PROCESSOR_ARCHITECTURE', 'x86')

matchup = {

'AMD64' : 'x64',

'x86' : 'ia32',

'arm' : 'arm',

}

return matchup.get(arch, 'ia32')

def compiler_version():

try:

proc = subprocess.Popen(shlex.split(CC) + ['--version'], stdout=subprocess.PIPE)

except WindowsError:

return (0, False)

is_clang = 'clang' in proc.communicate()[0].split('\n')[0]

proc = subprocess.Popen(shlex.split(CC) + ['-dumpversion'], stdout=subprocess.PIPE)

version = tuple(map(int, proc.communicate()[0].split('.')))

return (version, is_clang)

def configure_arm(o):

if options.arm_float_abi:

arm_float_abi = options.arm_float_abi

else:

arm_float_abi = 'hard' if is_arm_hard_float_abi() else 'default'

o['variables']['armv7'] = int(is_arch_armv7())

o['variables']['arm_fpu'] = 'vfpv3' # V8 3.18 no longer supports VFP2.

o['variables']['arm_neon'] = int(is_arm_neon())

o['variables']['arm_thumb'] = 0 # -marm

o['variables']['arm_float_abi'] = arm_float_abi

def configure_node(o):

o['variables']['v8_enable_gdbjit'] = 1 if options.gdb else 0

o['variables']['v8_no_strict_aliasing'] = 1 # work around compiler bugs

o['variables']['node_prefix'] = os.path.expanduser(options.prefix or '')

o['variables']['node_install_npm'] = b(not options.without_npm)

o['variables']['node_unsafe_optimizations'] = (

1 if options.unsafe_optimizations else 0)

o['default_configuration'] = 'Debug' if options.debug else 'Release'

host_arch = host_arch_win() if os.name == 'nt' else host_arch_cc()

target_arch = options.dest_cpu or host_arch

o['variables']['host_arch'] = host_arch

o['variables']['target_arch'] = target_arch

if target_arch == 'arm':

configure_arm(o)

cc_version, is_clang = compiler_version()

o['variables']['clang'] = 1 if is_clang else 0

if not is_clang and cc_version != 0:

o['variables']['gcc_version'] = 10 * cc_version[0] + cc_version[1]

# clang has always supported -fvisibility=hidden, right?

if not is_clang and cc_version < (4,0,0):

o['variables']['visibility'] = ''

# By default, enable DTrace on SunOS systems. Don't allow it on other

# systems, since it won't work. (The MacOS build process is different than

# SunOS, and we haven't implemented it.)

if sys.platform.startswith('sunos') or sys.platform.startswith('darwin'):

o['variables']['node_use_dtrace'] = b(not options.without_dtrace)

o['variables']['uv_use_dtrace'] = o['variables']['node_use_dtrace']

o['variables']['uv_parent_path'] = '/deps/uv/'

elif sys.platform.startswith('linux'):

o['variables']['node_use_dtrace'] = 'false'

o['variables']['node_use_systemtap'] = b(options.with_dtrace)

if options.systemtap_includes:

o['include_dirs'] += [options.systemtap_includes]

elif options.with_dtrace:

raise Exception(

'DTrace is currently only supported on SunOS or Linux systems.')

else:

o['variables']['node_use_dtrace'] = 'false'

o['variables']['node_use_systemtap'] = 'false'

if options.no_ifaddrs:

o['defines'] += ['SUNOS_NO_IFADDRS']

# By default, enable ETW on Windows.

if sys.platform.startswith('win32'):

o['variables']['node_use_etw'] = b(not options.without_etw);

elif options.with_etw:

raise Exception('ETW is only supported on Windows.')

else:

o['variables']['node_use_etw'] = 'false'

# By default, enable Performance counters on Windows.

if sys.platform.startswith('win32'):

o['variables']['node_use_perfctr'] = b(not options.without_perfctr);

elif options.with_perfctr:

raise Exception('Performance counter is only supported on Windows.')

else:

o['variables']['node_use_perfctr'] = 'false'

if options.tag:

o['variables']['node_tag'] = '-' + options.tag

else:

o['variables']['node_tag'] = ''

def configure_libz(o):

o['variables']['node_shared_zlib'] = b(options.shared_zlib)

# assume shared_zlib if one of these is set?

if options.shared_zlib_libpath:

o['libraries'] += ['-L%s' % options.shared_zlib_libpath]

if options.shared_zlib_libname:

o['libraries'] += ['-l%s' % options.shared_zlib_libname]

elif options.shared_zlib:

o['libraries'] += ['-lz']

if options.shared_zlib_includes:

o['include_dirs'] += [options.shared_zlib_includes]

def configure_http_parser(o):

o['variables']['node_shared_http_parser'] = b(options.shared_http_parser)

# assume shared http_parser if one of these is set?

if options.shared_http_parser_libpath:

o['libraries'] += ['-L%s' % options.shared_http_parser_libpath]

if options.shared_http_parser_libname:

o['libraries'] += ['-l%s' % options.shared_http_parser_libname]

elif options.shared_http_parser:

o['libraries'] += ['-lhttp_parser']

if options.shared_http_parser_includes:

o['include_dirs'] += [options.shared_http_parser_includes]

def configure_cares(o):

o['variables']['node_shared_cares'] = b(options.shared_cares)

# assume shared cares if one of these is set?

if options.shared_cares_libpath:

o['libraries'] += ['-L%s' % options.shared_cares_libpath]

if options.shared_cares_libname:

o['libraries'] += ['-l%s' % options.shared_cares_libname]

elif options.shared_cares:

o['libraries'] += ['-lcares']

if options.shared_cares_includes:

o['include_dirs'] += [options.shared_cares_includes]

def configure_libuv(o):

o['variables']['node_shared_libuv'] = b(options.shared_libuv)

# assume shared libuv if one of these is set?

if options.shared_libuv_libpath:

o['libraries'] += ['-L%s' % options.shared_libuv_libpath]

if options.shared_libuv_libname:

o['libraries'] += ['-l%s' % options.shared_libuv_libname]

elif options.shared_libuv:

o['libraries'] += ['-luv']

if options.shared_libuv_includes:

o['include_dirs'] += [options.shared_libuv_includes]

def configure_v8(o):

o['variables']['v8_use_snapshot'] = b(not options.without_snapshot)

o['variables']['node_shared_v8'] = b(options.shared_v8)

# assume shared_v8 if one of these is set?

if options.shared_v8_libpath:

o['libraries'] += ['-L%s' % options.shared_v8_libpath]

if options.shared_v8_libname:

o['libraries'] += ['-l%s' % options.shared_v8_libname]

elif options.shared_v8:

o['libraries'] += ['-lv8']

if options.shared_v8_includes:

o['include_dirs'] += [options.shared_v8_includes]

def configure_openssl(o):

o['variables']['node_use_openssl'] = b(not options.without_ssl)

o['variables']['node_shared_openssl'] = b(options.shared_openssl)

if options.without_ssl:

return

if options.no_ssl2:

o['defines'] += ['OPENSSL_NO_SSL2=1']

if options.shared_openssl:

(libs, cflags) = pkg_config('openssl') or ('-lssl -lcrypto', '')

if options.shared_openssl_libpath:

o['libraries'] += ['-L%s' % options.shared_openssl_libpath]

if options.shared_openssl_libname:

libnames = options.shared_openssl_libname.split(',')

o['libraries'] += ['-l%s' % s for s in libnames]

else:

o['libraries'] += libs.split()

if options.shared_openssl_includes:

o['include_dirs'] += [options.shared_openssl_includes]

else:

o['cflags'] += cflags.split()

def configure_winsdk(o):

if not sys.platform.startswith('win32'):

return

winsdk_dir = os.environ.get("WindowsSdkDir")

if winsdk_dir and os.path.isfile(winsdk_dir + '\\bin\\ctrpp.exe'):

print "Found ctrpp in WinSDK--will build generated files into tools/msvs/genfiles."

o['variables']['node_has_winsdk'] = 'true'

return

print "ctrpp not found in WinSDK path--using pre-gen files from tools/msvs/genfiles."

output = {

'variables': { 'python': sys.executable },

'include_dirs': [],

'libraries': [],

'defines': [],

'cflags': [],

}

configure_node(output)

configure_libz(output)

configure_http_parser(output)

configure_cares(output)

configure_libuv(output)

configure_v8(output)

configure_openssl(output)

configure_winsdk(output)

# variables should be a root level element,

# move everything else to target_defaults

variables = output['variables']

del output['variables']

output = {

'variables': variables,

'target_defaults': output

}

pprint.pprint(output, indent=2)

def write(filename, data):

filename = os.path.join(root_dir, filename)

print "creating ", filename

f = open(filename, 'w+')

f.write(data)

write('config.gypi', "# Do not edit. Generated by the configure script.\n" +

pprint.pformat(output, indent=2) + "\n")

config = {

'BUILDTYPE': 'Debug' if options.debug else 'Release',

'USE_NINJA': str(int(options.use_ninja or 0)),

'USE_XCODE': str(int(options.use_xcode or 0)),

'PYTHON': sys.executable,

}

if options.prefix:

config['PREFIX'] = options.prefix

config = '\n'.join(map('='.join, config.iteritems())) + '\n'

write('config.mk',

'# Do not edit. Generated by the configure script.\n' + config)

if options.use_ninja:

gyp_args = ['-f', 'ninja']

elif options.use_xcode:

gyp_args = ['-f', 'xcode']

elif os.name == 'nt':

gyp_args = ['-f', 'msvs', '-G', 'msvs_version=auto']

elif options.dest_os:

gyp_args = ['-f', 'make-' + options.dest_os]

else:

gyp_args = ['-f', 'make']

subprocess.call([sys.executable, 'tools/gyp_node'] + gyp_args)

node/configure at master · vinando/node · GitHub

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