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nodejs/wscript
Rasmus Andersson 67f7fe5e5c Use all available CPUs when building
Automatically set Options.options.jobs to the number of CPUs/cores on the
executing machine, unless the environment variable JOBS is set
2010-06-27 08:49:06 -07:00

575 lines
18 KiB
Python

#!/usr/bin/env python
import re
import Options
import sys, os, shutil
from Utils import cmd_output
from os.path import join, dirname, abspath
from logging import fatal
cwd = os.getcwd()
VERSION="0.1.99"
APPNAME="node.js"
import js2c
srcdir = '.'
blddir = 'build'
jobs=1
if os.environ.has_key('JOBS'):
jobs = int(os.environ['JOBS'])
else:
try:
import multiprocessing
jobs = multiprocessing.cpu_count()
except:
pass
def set_options(opt):
# the gcc module provides a --debug-level option
opt.tool_options('compiler_cxx')
opt.tool_options('compiler_cc')
opt.tool_options('misc')
opt.add_option( '--debug'
, action='store_true'
, default=False
, help='Build debug variant [Default: False]'
, dest='debug'
)
opt.add_option( '--efence'
, action='store_true'
, default=False
, help='Build with -lefence for debugging [Default: False]'
, dest='efence'
)
opt.add_option( '--without-ssl'
, action='store_true'
, default=False
, help='Build without SSL'
, dest='without_ssl'
)
opt.add_option('--shared-v8'
, action='store_true'
, default=False
, help='Link to a shared V8 DLL instead of static linking'
, dest='shared_v8'
)
opt.add_option( '--shared-v8-includes'
, action='store'
, default=False
, help='Directory containing V8 header files'
, dest='shared_v8_includes'
)
opt.add_option( '--shared-v8-libpath'
, action='store'
, default=False
, help='A directory to search for the shared V8 DLL'
, dest='shared_v8_libpath'
)
opt.add_option( '--shared-v8-libname'
, action='store'
, default=False
, help="Alternative lib name to link to (default: 'v8')"
, dest='shared_v8_libname'
)
opt.add_option('--shared-cares'
, action='store_true'
, default=False
, help='Link to a shared C-Ares DLL instead of static linking'
, dest='shared_cares'
)
opt.add_option( '--shared-cares-includes'
, action='store'
, default=False
, help='Directory containing C-Ares header files'
, dest='shared_cares_includes'
)
opt.add_option( '--shared-cares-libpath'
, action='store'
, default=False
, help='A directory to search for the shared C-Ares DLL'
, dest='shared_cares_libpath'
)
opt.add_option('--shared-libev'
, action='store_true'
, default=False
, help='Link to a shared libev DLL instead of static linking'
, dest='shared_libev'
)
opt.add_option( '--shared-libev-includes'
, action='store'
, default=False
, help='Directory containing libev header files'
, dest='shared_libev_includes'
)
opt.add_option( '--shared-libev-libpath'
, action='store'
, default=False
, help='A directory to search for the shared libev DLL'
, dest='shared_libev_libpath'
)
def configure(conf):
conf.check_tool('compiler_cxx')
if not conf.env.CXX: conf.fatal('c++ compiler not found')
conf.check_tool('compiler_cc')
if not conf.env.CC: conf.fatal('c compiler not found')
o = Options.options
conf.env["USE_DEBUG"] = o.debug
conf.env["USE_SHARED_V8"] = o.shared_v8 or o.shared_v8_includes or o.shared_v8_libpath or o.shared_v8_libname
conf.env["USE_SHARED_CARES"] = o.shared_cares or o.shared_cares_includes or o.shared_cares_libpath
conf.env["USE_SHARED_LIBEV"] = o.shared_libev or o.shared_libev_includes or o.shared_libev_libpath
conf.check(lib='dl', uselib_store='DL')
if not sys.platform.startswith("sunos") and not sys.platform.startswith("cygwin"):
conf.env.append_value("CCFLAGS", "-rdynamic")
conf.env.append_value("LINKFLAGS_DL", "-rdynamic")
if sys.platform.startswith("freebsd"):
conf.check(lib='kvm', uselib_store='KVM')
#if Options.options.debug:
# conf.check(lib='profiler', uselib_store='PROFILER')
if Options.options.efence:
conf.check(lib='efence', libpath=['/usr/lib', '/usr/local/lib'], uselib_store='EFENCE')
if not conf.check(lib="execinfo", includes=['/usr/include', '/usr/local/include'], libpath=['/usr/lib', '/usr/local/lib'], uselib_store="EXECINFO"):
# Note on Darwin/OS X: This will fail, but will still be used as the
# execinfo stuff are part of the standard library.
if sys.platform.startswith("freebsd"):
conf.fatal("Install the libexecinfo port from /usr/ports/devel/libexecinfo.")
if not Options.options.without_ssl:
if conf.check_cfg(package='openssl',
args='--cflags --libs',
uselib_store='OPENSSL'):
conf.env["USE_OPENSSL"] = True
conf.env.append_value("CXXFLAGS", "-DHAVE_OPENSSL=1")
else:
libssl = conf.check_cc(lib='ssl',
header_name='openssl/ssl.h',
function_name='SSL_library_init',
libpath=['/usr/lib', '/usr/local/lib', '/opt/local/lib', '/usr/sfw/lib'],
uselib_store='OPENSSL')
libcrypto = conf.check_cc(lib='crypto',
header_name='openssl/crypto.h',
uselib_store='OPENSSL')
if libcrypto and libssl:
conf.env["USE_OPENSSL"] = True
conf.env.append_value("CXXFLAGS", "-DHAVE_OPENSSL=1")
conf.check(lib='rt', uselib_store='RT')
if sys.platform.startswith("sunos"):
if not conf.check(lib='socket', uselib_store="SOCKET"):
conf.fatal("Cannot find socket library")
if not conf.check(lib='nsl', uselib_store="NSL"):
conf.fatal("Cannot find nsl library")
conf.sub_config('deps/libeio')
if conf.env['USE_SHARED_V8']:
v8_includes = [];
if o.shared_v8_includes: v8_includes.append(o.shared_v8_includes);
v8_libpath = [];
if o.shared_v8_libpath: v8_libpath.append(o.shared_v8_libpath);
if not o.shared_v8_libname: o.shared_v8_libname = 'v8'
if not conf.check_cxx(lib=o.shared_v8_libname, header_name='v8.h',
uselib_store='V8',
includes=v8_includes,
libpath=v8_libpath):
conf.fatal("Cannot find v8")
if o.debug:
if not conf.check_cxx(lib=o.shared_v8_libname + '_g', header_name='v8.h',
uselib_store='V8_G',
includes=v8_includes,
libpath=v8_libpath):
conf.fatal("Cannot find v8_g")
if conf.env['USE_SHARED_CARES']:
cares_includes = [];
if o.shared_cares_includes: cares_includes.append(o.shared_cares_includes);
cares_libpath = [];
if o.shared_cares_libpath: cares_libpath.append(o.shared_cares_libpath);
if not conf.check_cxx(lib='cares',
header_name='ares.h',
uselib_store='CARES',
includes=cares_includes,
libpath=cares_libpath):
conf.fatal("Cannot find c-ares")
else:
conf.sub_config('deps/c-ares')
if conf.env['USE_SHARED_LIBEV']:
libev_includes = [];
if o.shared_libev_includes: libev_includes.append(o.shared_libev_includes);
libev_libpath = [];
if o.shared_libev_libpath: libev_libpath.append(o.shared_libev_libpath);
if not conf.check_cxx(lib='ev', header_name='ev.h',
uselib_store='EV',
includes=libev_includes,
libpath=libev_libpath):
conf.fatal("Cannot find libev")
else:
conf.sub_config('deps/libev')
conf.define("HAVE_CONFIG_H", 1)
if sys.platform.startswith("sunos"):
conf.env.append_value ('CCFLAGS', '-threads')
conf.env.append_value ('CXXFLAGS', '-threads')
#conf.env.append_value ('LINKFLAGS', ' -threads')
elif not sys.platform.startswith("cygwin"):
threadflags='-pthread'
conf.env.append_value ('CCFLAGS', threadflags)
conf.env.append_value ('CXXFLAGS', threadflags)
conf.env.append_value ('LINKFLAGS', threadflags)
conf.env.append_value("CCFLAGS", "-DX_STACKSIZE=%d" % (1024*64))
# LFS
conf.env.append_value('CCFLAGS', '-D_LARGEFILE_SOURCE')
conf.env.append_value('CXXFLAGS', '-D_LARGEFILE_SOURCE')
conf.env.append_value('CCFLAGS', '-D_FILE_OFFSET_BITS=64')
conf.env.append_value('CXXFLAGS', '-D_FILE_OFFSET_BITS=64')
## needed for node_file.cc fdatasync
## Strangely on OSX 10.6 the g++ doesn't see fdatasync but gcc does?
code = """
#include <unistd.h>
int main(void)
{
int fd = 0;
fdatasync (fd);
return 0;
}
"""
if conf.check_cxx(msg="Checking for fdatasync(2) with c++", fragment=code):
conf.env.append_value('CXXFLAGS', '-DHAVE_FDATASYNC=1')
else:
conf.env.append_value('CXXFLAGS', '-DHAVE_FDATASYNC=0')
# platform
platform_def = '-DPLATFORM=' + conf.env['DEST_OS']
conf.env.append_value('CCFLAGS', platform_def)
conf.env.append_value('CXXFLAGS', platform_def)
# Split off debug variant before adding variant specific defines
debug_env = conf.env.copy()
conf.set_env_name('debug', debug_env)
# Configure debug variant
conf.setenv('debug')
debug_env.set_variant('debug')
debug_env.append_value('CCFLAGS', ['-DDEBUG', '-g', '-O0', '-Wall', '-Wextra'])
debug_env.append_value('CXXFLAGS', ['-DDEBUG', '-g', '-O0', '-Wall', '-Wextra'])
conf.write_config_header("config.h")
# Configure default variant
conf.setenv('default')
conf.env.append_value('CCFLAGS', ['-DNDEBUG', '-g', '-O3'])
conf.env.append_value('CXXFLAGS', ['-DNDEBUG', '-g', '-O3'])
conf.write_config_header("config.h")
def v8_cmd(bld, variant):
scons = join(cwd, 'tools/scons/scons.py')
deps_src = join(bld.path.abspath(),"deps")
v8dir_src = join(deps_src,"v8")
# NOTE: We want to compile V8 to export its symbols. I.E. Do not want
# -fvisibility=hidden. When using dlopen() it seems that the loaded DSO
# cannot see symbols in the executable which are hidden, even if the
# executable is statically linked together...
# XXX Remove this when v8 defaults x86_64 to native builds
arch = ""
if bld.env['DEST_CPU'] == 'x86_64':
arch = "arch=x64"
if variant == "default":
mode = "release"
else:
mode = "debug"
cmd_R = 'python "%s" -j %d -C "%s" -Y "%s" visibility=default mode=%s %s library=static snapshot=on'
cmd = cmd_R % ( scons
, Options.options.jobs
, bld.srcnode.abspath(bld.env_of_name(variant))
, v8dir_src
, mode
, arch
)
return cmd
def build_v8(bld):
v8 = bld.new_task_gen(
source = 'deps/v8/SConstruct '
+ bld.path.ant_glob('v8/include/*')
+ bld.path.ant_glob('v8/src/*'),
target = bld.env["staticlib_PATTERN"] % "v8",
rule = v8_cmd(bld, "default"),
before = "cxx",
install_path = None)
v8.uselib = "EXECINFO"
bld.env["CPPPATH_V8"] = "deps/v8/include"
t = join(bld.srcnode.abspath(bld.env_of_name("default")), v8.target)
bld.env_of_name('default').append_value("LINKFLAGS_V8", t)
### v8 debug
if bld.env["USE_DEBUG"]:
v8_debug = v8.clone("debug")
v8_debug.rule = v8_cmd(bld, "debug")
v8_debug.target = bld.env["staticlib_PATTERN"] % "v8_g"
v8_debug.uselib = "EXECINFO"
bld.env["CPPPATH_V8_G"] = "deps/v8/include"
t = join(bld.srcnode.abspath(bld.env_of_name("debug")), v8_debug.target)
bld.env_of_name('debug').append_value("LINKFLAGS_V8_G", t)
bld.install_files('${PREFIX}/include/node/', 'deps/v8/include/*.h')
def build(bld):
## This snippet is to show full commands as WAF executes
import Build
old = Build.BuildContext.exec_command
def exec_command(self, cmd, **kw):
if isinstance(cmd, list): print(" ".join(cmd))
return old(self, cmd, **kw)
Build.BuildContext.exec_command = exec_command
Options.options.jobs=jobs
print "DEST_OS: " + bld.env['DEST_OS']
print "DEST_CPU: " + bld.env['DEST_CPU']
print "Parallel Jobs: " + str(Options.options.jobs)
bld.add_subdirs('deps/libeio')
if not bld.env['USE_SHARED_V8']: build_v8(bld)
if not bld.env['USE_SHARED_LIBEV']: bld.add_subdirs('deps/libev')
if not bld.env['USE_SHARED_CARES']: bld.add_subdirs('deps/c-ares')
### http_parser
http_parser = bld.new_task_gen("cc")
http_parser.source = "deps/http_parser/http_parser.c"
http_parser.includes = "deps/http_parser/"
http_parser.name = "http_parser"
http_parser.target = "http_parser"
http_parser.install_path = None
if bld.env["USE_DEBUG"]:
http_parser.clone("debug")
### src/native.cc
def make_macros(loc, content):
f = open(loc, 'w')
f.write(content)
f.close
macros_loc_debug = join(
bld.srcnode.abspath(bld.env_of_name("debug")),
"macros.py"
)
macros_loc_default = join(
bld.srcnode.abspath(bld.env_of_name("default")),
"macros.py"
)
make_macros(macros_loc_debug, "") # leave debug(x) as is in debug build
# replace debug(x) with nothing in release build
make_macros(macros_loc_default, "macro debug(x) = ;\n")
def javascript_in_c(task):
env = task.env
source = map(lambda x: x.srcpath(env), task.inputs)
targets = map(lambda x: x.srcpath(env), task.outputs)
source.append(macros_loc_default)
js2c.JS2C(source, targets)
def javascript_in_c_debug(task):
env = task.env
source = map(lambda x: x.srcpath(env), task.inputs)
targets = map(lambda x: x.srcpath(env), task.outputs)
source.append(macros_loc_debug)
js2c.JS2C(source, targets)
native_cc = bld.new_task_gen(
source='src/node.js ' + bld.path.ant_glob('lib/*.js'),
target="src/node_natives.h",
before="cxx",
install_path=None
)
# Add the rule /after/ cloning the debug
# This is a work around for an error had in python 2.4.3 (I'll paste the
# error that was had into the git commit meessage. git-blame to find out
# where.)
if bld.env["USE_DEBUG"]:
native_cc_debug = native_cc.clone("debug")
native_cc_debug.rule = javascript_in_c_debug
native_cc.rule = javascript_in_c
### node lib
node = bld.new_task_gen("cxx", "program")
node.name = "node"
node.target = "node"
node.uselib = 'RT EV OPENSSL CARES EXECINFO DL KVM SOCKET NSL'
node.add_objects = 'eio http_parser'
node.install_path = '${PREFIX}/lib'
node.install_path = '${PREFIX}/bin'
node.chmod = 0755
node.source = """
src/node.cc
src/node_buffer.cc
src/node_http_parser.cc
src/node_net.cc
src/node_io_watcher.cc
src/node_child_process.cc
src/node_constants.cc
src/node_cares.cc
src/node_events.cc
src/node_file.cc
src/node_signal_watcher.cc
src/node_stat_watcher.cc
src/node_stdio.cc
src/node_timer.cc
src/node_script.cc
"""
platform_file = "src/platform_%s.cc" % bld.env['DEST_OS']
if os.path.exists(join(cwd, platform_file)):
node.source += platform_file
else:
node.source += "src/platform_none.cc "
if bld.env["USE_OPENSSL"]: node.source += " src/node_crypto.cc "
node.includes = """
src/
deps/libeio
deps/http_parser
"""
if not bld.env["USE_SHARED_V8"]: node.includes += ' deps/v8/include '
if not bld.env["USE_SHARED_LIBEV"]:
node.add_objects += ' ev '
node.includes += ' deps/libev '
if not bld.env["USE_SHARED_CARES"]:
node.add_objects += ' cares '
node.includes += ' deps/c-ares deps/c-ares/' + bld.env['DEST_OS'] + '-' + bld.env['DEST_CPU']
if sys.platform.startswith('cygwin'):
bld.env.append_value('LINKFLAGS', '-Wl,--export-all-symbols')
bld.env.append_value('LINKFLAGS', '-Wl,--out-implib,default/libnode.dll.a')
bld.env.append_value('LINKFLAGS', '-Wl,--output-def,default/libnode.def')
bld.install_files('${PREFIX}/lib', "build/default/libnode.*")
def subflags(program):
if os.path.exists(join(cwd, ".git")):
try:
actual_version=cmd_output("git describe").strip()
except:
actual_version=VERSION+'+'
else:
actual_version=VERSION
x = { 'CCFLAGS' : " ".join(program.env["CCFLAGS"])
, 'CPPFLAGS' : " ".join(program.env["CPPFLAGS"])
, 'LIBFLAGS' : " ".join(program.env["LIBFLAGS"])
, 'VERSION' : actual_version
, 'PREFIX' : program.env["PREFIX"]
}
return x
# process file.pc.in -> file.pc
node_version = bld.new_task_gen('subst', before="cxx")
node_version.source = 'src/node_version.h.in'
node_version.target = 'src/node_version.h'
node_version.dict = subflags(node)
node_version.install_path = '${PREFIX}/include/node'
if bld.env["USE_DEBUG"]:
node_g = node.clone("debug")
node_g.target = "node_g"
node_g.uselib += ' V8_G'
node_version_g = node_version.clone("debug")
node_version_g.dict = subflags(node_g)
node_version_g.install_path = None
# After creating the debug clone, append the V8 dep
node.uselib += ' V8'
bld.install_files('${PREFIX}/include/node/', """
config.h
src/node.h
src/node_object_wrap.h
src/node_buffer.h
src/node_events.h
""")
# Only install the man page if it exists.
# Do 'make doc install' to build and install it.
if os.path.exists('doc/node.1'):
bld.install_files('${PREFIX}/share/man/man1/', 'doc/node.1')
bld.install_files('${PREFIX}/bin/', 'bin/*', chmod=0755)
bld.install_files('${PREFIX}/lib/node/wafadmin', 'tools/wafadmin/*.py')
bld.install_files('${PREFIX}/lib/node/wafadmin/Tools', 'tools/wafadmin/Tools/*.py')
def shutdown():
Options.options.debug
# HACK to get binding.node out of build directory.
# better way to do this?
if not Options.commands['clean']:
if os.path.exists('build/default/node') and not os.path.exists('node'):
os.symlink('build/default/node', 'node')
if os.path.exists('build/debug/node_g') and not os.path.exists('node_g'):
os.symlink('build/debug/node_g', 'node_g')
else:
if os.path.exists('node'): os.unlink('node')
if os.path.exists('node_g'): os.unlink('node_g')