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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-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)
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")
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")
(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(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
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 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(CC.split() + ['--version'], stdout=subprocess.PIPE)
except WindowsError:
return (0, False)
is_clang = 'clang' in proc.communicate()[0].split('\n')[0]
proc = subprocess.Popen(CC.split() + ['-dumpversion'], stdout=subprocess.PIPE)
version = tuple(map(int, proc.communicate()[0].split('.')))
return (version, is_clang)
def configure_node(o):
# TODO add gdb
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['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
# V8 on ARM requires that armv7 is set. CPU Model detected by
# the presence of __ARM_ARCH_7__ and the like defines in compiler
if target_arch == 'arm':
if options.arm_float_abi:
hard_float = options.arm_float_abi == 'hard'
else:
hard_float = arm_hard_float_abi()
o['variables']['v8_use_arm_eabi_hardfloat'] = b(hard_float)
o['variables']['armv7'] = 1 if is_arch_armv7() else 0
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'):
o['variables']['node_use_dtrace'] = b(not options.without_dtrace)
elif b(options.with_dtrace) == 'true':
raise Exception('DTrace is currently only supported on SunOS systems.')
else:
o['variables']['node_use_dtrace'] = '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 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]
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()
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")
config = {
'BUILDTYPE': 'Debug' if options.debug else 'Release',
'USE_NINJA': str(int(options.use_ninja or 0)),
}
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 os.name == 'nt':
gyp_args = ['-f', 'msvs', '-G', 'msvs_version=2010']
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)
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