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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")
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")
# 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'
# By default, enable ETW on Windows.
if sys.platform.startswith('win32'):
o['variables']['node_use_etw'] = b(not options.without_etw);
elif b(options.with_etw) == 'true':
raise Exception('ETW is only supported on Windows.')
else:
o['variables']['node_use_etw'] = '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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