node/configure at master · Appanasamy/node · GitHub

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#!/usr/bin/env python

import optparse

import os

import pprint

import re

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-waf",

action="store_true",

dest="without_waf",

help="Don\'t install node-waf")

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("--openssl-use-sys",

action="store_true",

dest="openssl_use_sys",

help="Use the system OpenSSL instead of one included with Node")

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

action="store",

dest="openssl_includes",

help="A directory to search for the OpenSSL includes")

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

action="store",

dest="openssl_libpath",

help="A directory to search for the OpenSSL libraries")

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("--with-dtrace",

action="store_true",

dest="with_dtrace",

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

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

action="store_true",

dest="without_dtrace",

help="Build without DTrace")

# 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")

(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 host_arch_cc():

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

try:

p = subprocess.Popen(CC.split() + ['-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:

import shlex

lst = shlex.split(line)

if len(lst) > 2:

key = lst[1]

val = lst[2]

k[key] = val

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 host_arch():

"""Host architecture. One of arm, ia32 or x64."""

if os.name == 'nt':

arch = host_arch_win()

else:

arch = host_arch_cc()

return arch

def target_arch():

return host_arch()

def cc_version():

try:

proc = subprocess.Popen([CC, '-v'], stderr=subprocess.PIPE)

except OSError:

return None

lines = proc.communicate()[1].split('\n')

version_line = None

for i, line in enumerate(lines):

if 'version' in line:

version_line = line

if not version_line:

return None

version = version_line.split("version")[1].strip().split()[0].split(".")

if not version:

return None

return ['LLVM' in version_line] + version

def configure_node(o):

# TODO add gdb

o['variables']['node_prefix'] = options.prefix if options.prefix else ''

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

o['variables']['node_install_waf'] = b(not options.without_waf)

o['variables']['host_arch'] = host_arch()

o['variables']['target_arch'] = options.dest_cpu or target_arch()

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

# turn off strict aliasing if gcc < 4.6.0 unless it's llvm-gcc

# see http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45883

# see http://code.google.com/p/v8/issues/detail?id=884

o['variables']['strict_aliasing'] = b(

'clang' in CC or cc_version() >= [False, 4, 6, 0])

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

if 'clang' not in CC and cc_version() < [False, 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'):

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

# Strict aliasing causes problems with the V8 snapshots on SunOS

o['variables']['strict_aliasing'] = b(False);

elif b(options.with_dtrace) == 'true':

raise Exception('DTrace is currently only supported on SunOS systems.')

else:

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

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_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]

o['variables']['node_shared_v8_includes'] = options.shared_v8_includes

def configure_openssl(o):

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

if options.without_ssl:

return

if options.no_ssl2:

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

if not options.openssl_use_sys:

o['variables']['node_use_system_openssl'] = b(False)

else:

out = pkg_config('openssl')

(libs, cflags) = out if out else ('', '')

if options.openssl_libpath:

o['libraries'] += ['-L%s' % options.openssl_libpath, '-lssl', '-lcrypto']

else:

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

if options.openssl_includes:

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

else:

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

o['variables']['node_use_system_openssl'] = b(

libs or cflags or options.openssl_libpath or options.openssl_includes)

output = {

'variables': {},

'include_dirs': [],

'libraries': [],

'defines': [],

'cflags': [],

}

configure_node(output)

configure_libz(output)

configure_v8(output)

configure_openssl(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")

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

("BUILDTYPE=%s\n" % ('Debug' if options.debug else 'Release')))

if os.name == 'nt':

subprocess.call(['python', 'tools/gyp_node', '-f', 'msvs',

'-G', 'msvs_version=2010'])

else:

subprocess.call(['tools/gyp_node', '-f', 'make'])

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