#!/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") # 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") (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 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): # 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 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) armv7 = is_arch_armv7() if armv7: # CHECKME VFPv3 implies ARMv7+ but is the reverse true as well? o['variables']['arm_fpu'] = 'vfpv3' o['variables']['arm_neon'] = 0 o['variables']['armv7'] = int(armv7) 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'): o['variables']['node_use_dtrace'] = b(not options.without_dtrace) 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 b(options.with_dtrace) == 'true': 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 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_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() output = { 'variables': {}, '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) # 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)), } 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)