mirror of
https://github.com/nodejs/node.git
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202df30aab
Compile at -O2 and disable optimizations that trigger gcc bugs.
Some people still reported mksnapshot crashes after commit b40f813
("build: fix
spurious mksnapshot crashes for good" - so much for that).
Average performance of the -O2 binary is on par with the -O3 binary. Variance
on the http_simple bytes/8 benchmark appears to be slightly greater but small
enough that the possibly of it being noise cannot be excluded.
The new binary very slightly but consistently outperforms the -O3 binary (by
about 0.5%) on the mostly CPU-bound bytes/102400 benchmark. That could be an
artifact of the system I benchmarked it on, a Core 2 Duo with a puny 32 kB of
L1 instruction cache. The smaller binary seems to play nicer with the cache.
415 lines
11 KiB
Python
Executable File
415 lines
11 KiB
Python
Executable File
#!/usr/bin/env python
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import optparse
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import os
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import pprint
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import re
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import subprocess
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import sys
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CC = os.environ.get('CC', 'cc')
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root_dir = os.path.dirname(__file__)
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sys.path.insert(0, os.path.join(root_dir, 'deps', 'v8', 'tools'))
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# parse our options
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parser = optparse.OptionParser()
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parser.add_option("--debug",
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action="store_true",
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dest="debug",
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help="Also build debug build")
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parser.add_option("--prefix",
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action="store",
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dest="prefix",
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help="Select the install prefix (defaults to /usr/local)")
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parser.add_option("--without-npm",
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action="store_true",
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dest="without_npm",
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help="Don\'t install the bundled npm package manager")
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parser.add_option("--without-waf",
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action="store_true",
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dest="without_waf",
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help="Don\'t install node-waf")
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parser.add_option("--without-ssl",
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action="store_true",
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dest="without_ssl",
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help="Build without SSL")
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parser.add_option("--without-snapshot",
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action="store_true",
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dest="without_snapshot",
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help="Build without snapshotting V8 libraries. You might want to set"
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" this for cross-compiling. [Default: False]")
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parser.add_option("--shared-v8",
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action="store_true",
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dest="shared_v8",
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help="Link to a shared V8 DLL instead of static linking")
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parser.add_option("--shared-v8-includes",
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action="store",
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dest="shared_v8_includes",
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help="Directory containing V8 header files")
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parser.add_option("--shared-v8-libpath",
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action="store",
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dest="shared_v8_libpath",
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help="A directory to search for the shared V8 DLL")
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parser.add_option("--shared-v8-libname",
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action="store",
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dest="shared_v8_libname",
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help="Alternative lib name to link to (default: 'v8')")
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parser.add_option("--shared-openssl",
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action="store_true",
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dest="shared_openssl",
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help="Link to a shared OpenSSl DLL instead of static linking")
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parser.add_option("--shared-openssl-includes",
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action="store",
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dest="shared_openssl_includes",
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help="Directory containing OpenSSL header files")
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parser.add_option("--shared-openssl-libpath",
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action="store",
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dest="shared_openssl_libpath",
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help="A directory to search for the shared OpenSSL DLLs")
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parser.add_option("--shared-openssl-libname",
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action="store",
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dest="shared_openssl_libname",
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help="Alternative lib name to link to (default: 'crypto,ssl')")
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# deprecated
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parser.add_option("--openssl-use-sys",
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action="store_true",
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dest="shared_openssl",
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help=optparse.SUPPRESS_HELP)
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# deprecated
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parser.add_option("--openssl-includes",
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action="store",
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dest="shared_openssl_includes",
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help=optparse.SUPPRESS_HELP)
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# deprecated
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parser.add_option("--openssl-libpath",
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action="store",
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dest="shared_openssl_libpath",
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help=optparse.SUPPRESS_HELP)
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parser.add_option("--no-ssl2",
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action="store_true",
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dest="no_ssl2",
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help="Disable OpenSSL v2")
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parser.add_option("--shared-zlib",
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action="store_true",
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dest="shared_zlib",
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help="Link to a shared zlib DLL instead of static linking")
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parser.add_option("--shared-zlib-includes",
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action="store",
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dest="shared_zlib_includes",
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help="Directory containing zlib header files")
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parser.add_option("--shared-zlib-libpath",
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action="store",
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dest="shared_zlib_libpath",
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help="A directory to search for the shared zlib DLL")
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parser.add_option("--shared-zlib-libname",
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action="store",
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dest="shared_zlib_libname",
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help="Alternative lib name to link to (default: 'z')")
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parser.add_option("--with-dtrace",
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action="store_true",
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dest="with_dtrace",
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help="Build with DTrace (default is true on supported systems)")
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parser.add_option("--without-dtrace",
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action="store_true",
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dest="without_dtrace",
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help="Build without DTrace")
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parser.add_option("--with-etw",
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action="store_true",
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dest="with_etw",
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help="Build with ETW (default is true on Windows)")
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parser.add_option("--without-etw",
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action="store_true",
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dest="without_etw",
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help="Build without ETW")
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# CHECKME does this still work with recent releases of V8?
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parser.add_option("--gdb",
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action="store_true",
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dest="gdb",
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help="add gdb support")
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parser.add_option("--dest-cpu",
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action="store",
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dest="dest_cpu",
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help="CPU architecture to build for. Valid values are: arm, ia32, x64")
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parser.add_option("--no-ifaddrs",
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action="store_true",
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dest="no_ifaddrs",
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help="Use on deprecated SunOS systems that do not support ifaddrs.h")
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(options, args) = parser.parse_args()
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def b(value):
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"""Returns the string 'true' if value is truthy, 'false' otherwise."""
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if value:
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return 'true'
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else:
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return 'false'
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def pkg_config(pkg):
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cmd = os.popen('pkg-config --libs %s' % pkg, 'r')
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libs = cmd.readline().strip()
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ret = cmd.close()
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if (ret): return None
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cmd = os.popen('pkg-config --cflags %s' % pkg, 'r')
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cflags = cmd.readline().strip()
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ret = cmd.close()
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if (ret): return None
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return (libs, cflags)
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def host_arch_cc():
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"""Host architecture check using the CC command."""
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try:
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p = subprocess.Popen(CC.split() + ['-dM', '-E', '-'],
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stdin=subprocess.PIPE,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE)
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except OSError:
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print '''Node.js configure error: No acceptable C compiler found!
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Please make sure you have a C compiler installed on your system and/or
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consider adjusting the CC environment variable if you installed
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it in a non-standard prefix.
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'''
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sys.exit()
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p.stdin.write('\n')
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out = p.communicate()[0]
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out = str(out).split('\n')
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k = {}
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for line in out:
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import shlex
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lst = shlex.split(line)
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if len(lst) > 2:
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key = lst[1]
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val = lst[2]
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k[key] = val
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matchup = {
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'__x86_64__' : 'x64',
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'__i386__' : 'ia32',
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'__arm__' : 'arm',
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}
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rtn = 'ia32' # default
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for i in matchup:
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if i in k and k[i] != '0':
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rtn = matchup[i]
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break
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return rtn
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def host_arch_win():
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"""Host architecture check using environ vars (better way to do this?)"""
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arch = os.environ.get('PROCESSOR_ARCHITECTURE', 'x86')
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matchup = {
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'AMD64' : 'x64',
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'x86' : 'ia32',
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'arm' : 'arm',
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}
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return matchup.get(arch, 'ia32')
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def host_arch():
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"""Host architecture. One of arm, ia32 or x64."""
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if os.name == 'nt':
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arch = host_arch_win()
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else:
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arch = host_arch_cc()
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return arch
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def target_arch():
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return host_arch()
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def compiler_version():
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try:
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proc = subprocess.Popen(CC.split() + ['--version'], stdout=subprocess.PIPE)
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except WindowsError:
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return (0, False)
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is_clang = 'clang' in proc.communicate()[0].split('\n')[0]
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proc = subprocess.Popen(CC.split() + ['-dumpversion'], stdout=subprocess.PIPE)
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version = tuple(map(int, proc.communicate()[0].split('.')))
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return (version, is_clang)
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def configure_node(o):
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# TODO add gdb
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o['variables']['node_prefix'] = os.path.expanduser(options.prefix or '')
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o['variables']['node_install_npm'] = b(not options.without_npm)
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o['variables']['node_install_waf'] = b(not options.without_waf)
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o['variables']['host_arch'] = host_arch()
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o['variables']['target_arch'] = options.dest_cpu or target_arch()
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o['default_configuration'] = 'Debug' if options.debug else 'Release'
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cc_version, is_clang = compiler_version()
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# clang has always supported -fvisibility=hidden, right?
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if not is_clang and cc_version < (4,0,0):
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o['variables']['visibility'] = ''
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# By default, enable DTrace on SunOS systems. Don't allow it on other
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# systems, since it won't work. (The MacOS build process is different than
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# SunOS, and we haven't implemented it.)
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if sys.platform.startswith('sunos'):
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o['variables']['node_use_dtrace'] = b(not options.without_dtrace)
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elif b(options.with_dtrace) == 'true':
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raise Exception('DTrace is currently only supported on SunOS systems.')
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else:
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o['variables']['node_use_dtrace'] = 'false'
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if options.no_ifaddrs:
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o['defines'] += ['SUNOS_NO_IFADDRS']
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# By default, enable ETW on Windows.
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if sys.platform.startswith('win32'):
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o['variables']['node_use_etw'] = b(not options.without_etw);
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elif b(options.with_etw) == 'true':
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raise Exception('ETW is only supported on Windows.')
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else:
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o['variables']['node_use_etw'] = 'false'
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def configure_libz(o):
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o['variables']['node_shared_zlib'] = b(options.shared_zlib)
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# assume shared_zlib if one of these is set?
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if options.shared_zlib_libpath:
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o['libraries'] += ['-L%s' % options.shared_zlib_libpath]
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if options.shared_zlib_libname:
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o['libraries'] += ['-l%s' % options.shared_zlib_libname]
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elif options.shared_zlib:
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o['libraries'] += ['-lz']
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if options.shared_zlib_includes:
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o['include_dirs'] += [options.shared_zlib_includes]
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def configure_v8(o):
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o['variables']['v8_use_snapshot'] = b(not options.without_snapshot)
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o['variables']['node_shared_v8'] = b(options.shared_v8)
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# assume shared_v8 if one of these is set?
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if options.shared_v8_libpath:
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o['libraries'] += ['-L%s' % options.shared_v8_libpath]
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if options.shared_v8_libname:
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o['libraries'] += ['-l%s' % options.shared_v8_libname]
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elif options.shared_v8:
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o['libraries'] += ['-lv8']
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if options.shared_v8_includes:
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o['include_dirs'] += [options.shared_v8_includes]
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def configure_openssl(o):
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o['variables']['node_use_openssl'] = b(not options.without_ssl)
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o['variables']['node_shared_openssl'] = b(options.shared_openssl)
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if options.without_ssl:
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return
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if options.no_ssl2:
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o['defines'] += ['OPENSSL_NO_SSL2=1']
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if options.shared_openssl:
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(libs, cflags) = pkg_config('openssl') or ('-lssl -lcrypto', '')
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if options.shared_openssl_libpath:
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o['libraries'] += ['-L%s' % options.shared_openssl_libpath]
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if options.shared_openssl_libname:
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libnames = options.shared_openssl_libname.split(',')
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o['libraries'] += ['-l%s' % s for s in libnames]
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else:
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o['libraries'] += libs.split()
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if options.shared_openssl_includes:
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o['include_dirs'] += [options.shared_openssl_includes]
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else:
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o['cflags'] += cflags.split()
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output = {
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'variables': {},
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'include_dirs': [],
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'libraries': [],
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'defines': [],
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'cflags': [],
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}
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configure_node(output)
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configure_libz(output)
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configure_v8(output)
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configure_openssl(output)
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# variables should be a root level element,
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# move everything else to target_defaults
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variables = output['variables']
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del output['variables']
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output = {
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'variables': variables,
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'target_defaults': output
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}
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pprint.pprint(output, indent=2)
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def write(filename, data):
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filename = os.path.join(root_dir, filename)
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print "creating ", filename
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f = open(filename, 'w+')
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f.write(data)
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write('config.gypi', "# Do not edit. Generated by the configure script.\n" +
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pprint.pformat(output, indent=2) + "\n")
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write('config.mk', "# Do not edit. Generated by the configure script.\n" +
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("BUILDTYPE=%s\n" % ('Debug' if options.debug else 'Release')))
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if os.name == 'nt':
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gyp_args = ['-f', 'msvs', '-G', 'msvs_version=2010']
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else:
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gyp_args = ['-f', 'make']
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subprocess.call([sys.executable, 'tools/gyp_node'] + gyp_args)
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