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SConstruct
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SConstruct
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# -*- mode: python; -*-
import copy
import datetime
import imp
import os
import platform as py_platform
import re
import shlex
import shutil
import stat
import sys
import textwrap
import types
import urllib
import urllib2
import buildscripts.utils
import buildscripts.docs
import buildscripts.lint
import buildscripts.clang_format
EnsureSConsVersion( 1, 1, 0 )
def versiontuple(v):
return tuple(map(int, (v.split("."))))
# --- platform identification ---
#
# This needs to precede the options section so that we can only offer some options on certain
# platforms.
platform = os.sys.platform
nix = False
linux = False
darwin = False
windows = False
freebsd = False
openbsd = False
solaris = False
if "darwin" == platform:
darwin = True
platform = "osx" # prettier than darwin
elif platform.startswith("linux"):
linux = True
platform = "linux"
elif "sunos5" == platform:
solaris = True
elif platform.startswith( "freebsd" ):
freebsd = True
elif platform.startswith( "openbsd" ):
openbsd = True
elif "win32" == platform:
windows = True
else:
print( "No special config for [" + platform + "] which probably means it won't work" )
nix = not windows
# --- options ----
use_clang = False
options = {}
def add_option( name, help, nargs, contributesToVariantDir,
dest=None, default = None, type="string", choices=None, metavar=None, const=None ):
if dest is None:
dest = name
if type == 'choice' and not metavar:
metavar = '[' + '|'.join(choices) + ']'
AddOption( "--" + name ,
dest=dest,
type=type,
nargs=nargs,
action="store",
choices=choices,
default=default,
metavar=metavar,
const=const,
help=help )
options[name] = { "help" : help ,
"nargs" : nargs ,
"contributesToVariantDir" : contributesToVariantDir ,
"dest" : dest,
"default": default }
def get_option( name ):
return GetOption( name )
def has_option( name ):
x = get_option( name )
if x is None:
return False
if x == False:
return False
if x == "":
return False
return True
def get_variant_dir():
build_dir = get_option('build-dir').rstrip('/')
if has_option('variant-dir'):
return (build_dir + '/' + get_option('variant-dir')).rstrip('/')
substitute = lambda x: re.sub( "[:,\\\\/]" , "_" , x )
a = []
for name in options:
o = options[name]
if not has_option( o["dest"] ):
continue
if not o["contributesToVariantDir"]:
continue
if get_option(o["dest"]) == o["default"]:
continue
if o["nargs"] == 0:
a.append( name )
else:
x = substitute( get_option( name ) )
a.append( name + "_" + x )
extras = []
if has_option("extra-variant-dirs"):
extras = [substitute(x) for x in get_option( 'extra-variant-dirs' ).split( ',' )]
if has_option("add-branch-to-variant-dir"):
extras += ["branch_" + substitute( buildscripts.utils.getGitBranch() )]
if has_option('cache'):
s = "cached"
s += "/".join(extras) + "/"
else:
s = "${PYSYSPLATFORM}/"
a += extras
if len(a) > 0:
a.sort()
s += "/".join( a ) + "/"
else:
s += "normal/"
return (build_dir + '/' + s).rstrip('/')
# build output
add_option( "mute" , "do not display commandlines for compiling and linking, to reduce screen noise", 0, False )
# installation/packaging
add_option( "prefix" , "installation prefix" , 1 , False, default='$BUILD_DIR/install' )
add_option( "extra-variant-dirs", "extra variant dir components, separated by commas", 1, False)
add_option( "add-branch-to-variant-dir", "add current git branch to the variant dir", 0, False )
add_option( "build-dir", "build output directory", 1, False, default='#build')
add_option( "variant-dir", "override variant subdirectory", 1, False )
add_option( "sharedclient", "build a libmongoclient.so/.dll" , 0 , False )
# linking options
add_option( "release" , "release build" , 0 , True )
add_option( "lto", "enable link time optimizations (experimental, except with MSVC)" , 0 , True )
add_option( "dynamic-windows", "dynamically link on Windows", 0, True)
add_option( "dynamic-boost", "dynamically link boost libraries on Windows", "?", True,
type="choice", choices=["on", "off", "auto"], default="auto", const="on" )
add_option( "disable-declspec-thread", "don't use __declspec(thread) on Windows", 0, True)
# base compile flags
add_option( "64" , "whether to force 64 bit" , 0 , True , "force64" )
add_option( "32" , "whether to force 32 bit" , 0 , True , "force32" )
add_option( "endian" , "endianness of target platform" , 1 , False , "endian",
type="choice", choices=["big", "little", "auto"], default="auto" )
add_option( "cxx", "compiler to use" , 1 , True )
add_option( "cc", "compiler to use for c" , 1 , True )
add_option( "cc-use-shell-environment", "use $CC from shell for C compiler" , 0 , False )
add_option( "cxx-use-shell-environment", "use $CXX from shell for C++ compiler" , 0 , False )
add_option( "c++11", "enable c++11 support (experimental)", "?", True,
type="choice", choices=["on", "off", "auto"], const="on", default="off" )
add_option( "cpppath", "Include path if you have headers in a nonstandard directory" , 1 , False )
add_option( "libpath", "Library path if you have libraries in a nonstandard directory" , 1 , False )
add_option( "extrapath", "comma separated list of add'l paths (--extrapath /opt/foo/,/foo) static linking" , 1 , False )
add_option( "extralib", "comma separated list of libraries (--extralib js_static,readline" , 1 , False )
add_option("runtime-library-search-path",
"comma separated list of dirs to append to PATH to find dynamic libs at runtime",
1, False)
add_option( "ssl" , "Enable SSL" , 0 , True )
# library choices
add_option( "libc++", "use libc++ (experimental, requires clang)", 0, True )
# new style debug and optimize flags
add_option( "dbg", "Enable runtime debugging checks", "?", True, "dbg",
type="choice", choices=["on", "off"], const="on" )
add_option( "opt", "Enable compile-time optimization", "?", True, "opt",
type="choice", choices=["on", "off"], const="on" )
add_option( "sanitize", "enable selected sanitizers", 1, True, metavar="san1,san2,...sanN" )
add_option( "llvm-symbolizer", "name of (or path to) the LLVM symbolizer", 1, False, default="llvm-symbolizer" )
add_option( "gcov" , "compile with flags for gcov" , 0 , True )
add_option("use-sasl-client", "Support SASL authentication in the client library", 0, False)
add_option('build-fast-and-loose', "NEVER for production builds", 0, False)
add_option( "boost-lib-search-suffixes",
"Comma delimited sequence of boost library suffixes to search",
1, False )
add_option('disable-warnings-as-errors', "Don't add -Werror to compiler command line", 0, False)
add_option('propagate-shell-environment',
"Pass shell environment to sub-processes (NEVER for production builds)",
0, False)
add_option('gtest-filter', "Pass argument as filter to gtest", 1, False)
add_option('mongo-orchestration-preset',
"Pass argument to mongo-orchestration as the configuration preset",
1, False, default='basic.json' )
add_option('mongo-orchestration-host',
"Host mongo-orchestration is running on",
1, False, default='localhost' )
add_option('mongo-orchestration-port',
"Host mongo-orchestration is running on",
1, False, default='8889' )
add_option('variables-help',
"Print the help text for SCons variables", 0, False)
if darwin:
add_option("osx-version-min", "minimum OS X version to support", 1, True)
elif windows:
win_version_min_choices = {
'xpsp3' : ('0501', '0300'),
'ws03sp2' : ('0502', '0200'),
'vista' : ('0600', '0000'),
'ws08r2' : ('0601', '0000'),
'win7' : ('0601', '0000'),
'win8' : ('0602', '0000'),
}
add_option("win-version-min", "minimum Windows version to support", 1, True,
type = 'choice', default = None,
choices = win_version_min_choices.keys())
# Someday get rid of --32 and --64 for windows and use these with a --msvc-target-arch flag
# that mirrors msvc-host-arch.
msvc_arch_choices = ['x86', 'i386', 'amd64', 'emt64', 'x86_64', 'ia64']
add_option("msvc-host-arch", "host architecture for ms toolchain", 1, True,
type="choice", choices=msvc_arch_choices)
add_option("msvc-script",
"msvc toolchain setup script, pass no argument to suppress script execution",
1, True)
add_option("msvc-version", "select msvc version", 1, True)
add_option('cache',
"Use an object cache rather than a per-build variant directory (experimental)",
0, False)
add_option('cache-dir',
"Specify the directory to use for caching objects if --cache is in use",
1, False, default="$BUILD_DIR/scons/cache")
variable_parse_mode_choices=['auto', 'posix', 'other']
add_option('variable-parse-mode',
"Select which parsing mode is used to interpret command line variables",
1, False,
type='choice', default=variable_parse_mode_choices[0],
choices=variable_parse_mode_choices)
# Setup the command-line variables
def variable_shlex_converter(val):
parse_mode = get_option('variable-parse-mode')
if parse_mode == 'auto':
parse_mode = 'other' if windows else 'posix'
return shlex.split(val, posix=(parse_mode == 'posix'))
env_vars = Variables()
env_vars.Add('ARFLAGS',
help='Sets flags for the archiver',
converter=variable_shlex_converter)
env_vars.Add('CCFLAGS',
help='Sets flags for the C and C++ compiler',
converter=variable_shlex_converter)
env_vars.Add('CFLAGS',
help='Sets flags for the C compiler',
converter=variable_shlex_converter)
env_vars.Add('CPPDEFINES',
help='Sets pre-processor definitions for C and C++',
converter=variable_shlex_converter)
env_vars.Add('CPPPATH',
help='Adds paths to the preprocessor search path',
converter=variable_shlex_converter)
env_vars.Add('CXXFLAGS',
help='Sets flags for the C++ compiler',
converter=variable_shlex_converter)
env_vars.Add('LIBPATH',
help='Adds paths to the linker search path',
converter=variable_shlex_converter)
env_vars.Add('LIBS',
help='Adds extra libraries to link against',
converter=variable_shlex_converter)
env_vars.Add('LINKFLAGS',
help='Sets flags for the linker',
converter=variable_shlex_converter)
env_vars.Add('RPATH',
help='Set the RPATH for dynamic libraries and executables',
converter=variable_shlex_converter)
env_vars.Add('SHCCFLAGS',
help='Sets flags for the C and C++ compiler when building shared libraries',
converter=variable_shlex_converter)
env_vars.Add('SHCFLAGS',
help='Sets flags for the C compiler when building shared libraries',
converter=variable_shlex_converter)
env_vars.Add('SHCXXFLAGS',
help='Sets flags for the C++ compiler when building shared libraries',
converter=variable_shlex_converter)
env_vars.Add('SHLINKFLAGS',
help='Sets flags for the linker when building shared libraries',
converter=variable_shlex_converter)
# don't run configure if user calls --help
if GetOption('help'):
Return()
# --- environment setup ---
# If the user isn't using the # to indicate top-of-tree or $ to expand a variable, forbid
# relative paths. Relative paths don't really work as expected, because they end up relative to
# the top level SConstruct, not the invokers CWD. We could in theory fix this with
# GetLaunchDir, but that seems a step too far.
buildDir = get_option('build-dir').rstrip('/')
if buildDir[0] not in ['$', '#']:
if not os.path.isabs(buildDir):
print("Do not use relative paths with --build-dir")
Exit(1)
cacheDir = get_option('cache-dir').rstrip('/')
if cacheDir[0] not in ['$', '#']:
if not os.path.isabs(cacheDir):
print("Do not use relative paths with --cache-dir")
Exit(1)
installDir = get_option('prefix').rstrip('/')
if installDir[0] not in ['$', '#']:
if not os.path.isabs(installDir):
print("Do not use relative paths with --prefix")
Exit(1)
sconsDataDir = Dir(buildDir).Dir('scons')
SConsignFile(str(sconsDataDir.File('sconsign')))
def printLocalInfo():
import sys, SCons
print( "scons version: " + SCons.__version__ )
print( "python version: " + " ".join( [ `i` for i in sys.version_info ] ) )
printLocalInfo()
boostLibs = [ "regex", "thread" , "system" ]
linux64 = False
force32 = has_option( "force32" )
force64 = has_option( "force64" )
if not force64 and not force32 and os.getcwd().endswith( "mongo-64" ):
force64 = True
print( "*** assuming you want a 64-bit build b/c of directory *** " )
msarch = None
if force32:
msarch = "x86"
elif force64:
msarch = "amd64"
releaseBuild = has_option("release")
# validate debug and optimization options
dbg_opt_mapping = {
# --dbg, --opt : dbg opt
( None, None ) : ( False, True ),
( None, "on" ) : ( False, True ),
( None, "off" ) : ( False, False ),
( "on", None ) : ( True, False ), # special case interaction
( "on", "on" ) : ( True, True ),
( "on", "off" ) : ( True, False ),
( "off", None ) : ( False, True ),
( "off", "on" ) : ( False, True ),
( "off", "off" ) : ( False, False ),
}
debugBuild, optBuild = dbg_opt_mapping[(get_option('dbg'), get_option('opt'))]
if releaseBuild and (debugBuild or not optBuild):
print("Error: A --release build may not have debugging, and must have optimization")
Exit(1)
mongoclientVersion = "1.1.3"
# We don't keep the -pre in the user testable version identifiers, because
# nobody should be conditioning on the pre-release status.
mongoclientVersionComponents = re.split(r'\.|-rc', mongoclientVersion.partition('-pre')[0])
if len(mongoclientVersionComponents) not in (3,4):
print("Error: client version most be of the form w.x.y[-rcz][-string]")
Exit(1)
# The Scons 'default' tool enables a lot of tools that we don't actually need to enable.
# On platforms like Solaris, it actually does the wrong thing by enabling the sunstudio
# toolchain first. As such it is simpler and more efficient to manually load the precise
# set of tools we need for each platform.
# If we aren't on a platform where we know the minimal set of tools, we fallback to loading
# the 'default' tool.
def decide_platform_tools():
if windows:
# we only support MS toolchain on windows
return ['msvc', 'mslink', 'mslib']
elif linux:
return ['gcc', 'g++', 'gnulink', 'ar']
elif solaris:
return ['gcc', 'g++', 'gnulink', 'ar']
elif darwin:
return ['gcc', 'g++', 'applelink', 'ar']
else:
return ["default"]
tools = decide_platform_tools() + ["unittest", "integration_test", "textfile"]
# We defer building the env until we have determined whether we want certain values. Some values
# in the env actually have semantics for 'None' that differ from being absent, so it is better
# to build it up via a dict, and then construct the Environment in one shot with kwargs.
envDict = dict(BUILD_DIR=buildDir,
VARIANT_DIR=get_variant_dir(),
EXTRAPATH=get_option("extrapath"),
PYTHON=File(buildscripts.utils.find_python()),
tools=tools,
PYSYSPLATFORM=os.sys.platform,
CONFIGUREDIR=sconsDataDir.Dir('sconf_temp'),
CONFIGURELOG=sconsDataDir.File('config.log'),
MONGOCLIENT_VERSION=mongoclientVersion,
MONGOCLIENT_VERSION_MAJOR=mongoclientVersionComponents[0],
MONGOCLIENT_VERSION_MINOR=mongoclientVersionComponents[1],
MONGOCLIENT_VERSION_PATCH=mongoclientVersionComponents[2],
INSTALL_DIR=installDir,
)
if windows:
if msarch:
envDict['TARGET_ARCH'] = msarch
# We can't set this to None without disturbing the autodetection,
# so only set it conditionally.
if has_option('msvc-host-arch'):
envDict['HOST_ARCH'] = get_option('msvc-host-arch')
msvc_version = get_option('msvc-version')
msvc_script = get_option('msvc-script')
if msvc_version:
if msvc_script:
print("Passing --msvc-version with --msvc-script is not meaningful")
Exit(1)
envDict['MSVC_VERSION'] = msvc_version
# The python None value is meaningful to MSVC_USE_SCRIPT; we want to interpret
# --msvc-script= with no argument as meaning 'None', so check explicitly against None so
# that '' is not interpreted as false.
if msvc_script is not None:
if has_option('msvc-host-arch'):
print("Passing --msvc-host-arch with --msvc-script is not meaningful")
Exit(1)
if msarch:
print("Passing --32 or --64 with --msvc-script is not meaningful")
Exit(1)
if msvc_script == "":
msvc_script = None
envDict['MSVC_USE_SCRIPT'] = msvc_script
env = Environment(variables=env_vars, **envDict)
del envDict
def fatal_error(env, msg, *args):
print (msg.format(*args))
Exit(1)
def conf_error(env, msg, *args):
print (msg.format(*args))
print ("See {0} for details".format(env['CONFIGURELOG'].abspath))
Exit(1)
env.AddMethod(fatal_error, 'FatalError')
env.AddMethod(conf_error, 'ConfError')
if has_option('variables-help'):
print (env_vars.GenerateHelpText(env))
Exit(0)
unknown_vars = env_vars.UnknownVariables()
if unknown_vars:
env.FatalError("Unknown variables specified: {0}", ", ".join(unknown_vars.keys()))
# Add any scons options that conflict with scons variables here.
# The first item in each tuple is the option name and the second
# is the variable name
variable_conflicts = [
('libpath', 'LIBPATH'),
('cpppath', 'CPPPATH'),
('extrapath', 'CPPPATH'),
('extrapath', 'LIBPATH'),
('extralib', 'LIBS')
]
for (opt_name, var_name) in variable_conflicts:
if has_option(opt_name) and var_name in env:
env.FatalError("Both option \"--{0}\" and variable {1} were specified", opt_name, var_name)
if has_option("cache"):
EnsureSConsVersion( 2, 3, 0 )
if has_option("release"):
env.FatalError(
"Using the experimental --cache option is not permitted for --release builds")
if has_option("gcov"):
env.FatalError("Mixing --cache and --gcov doesn't work correctly yet. See SERVER-11084")
env.CacheDir(str(env.Dir(cacheDir)))
if has_option("propagate-shell-environment"):
env['ENV'] = dict(os.environ);
if has_option('runtime-library-search-path'):
libs = get_option('runtime-library-search-path').split(',')
envVar = None
if windows:
envVar = 'PATH'
elif darwin:
envVar = 'DYLD_LIBRARY_PATH'
else:
envVar = 'LD_LIBRARY_PATH'
for lib in libs:
env.AppendENVPath(envVar, env.Dir(lib), delete_existing=0)
# Ignore fast-and-loose option if the scons cache is enabled (see SERVER-19088)
if has_option('build-fast-and-loose') and not has_option('cache'):
# See http://www.scons.org/wiki/GoFastButton for details
env.Decider('MD5-timestamp')
env.SetOption('max_drift', 1)
env.SourceCode('.', None)
if has_option('mute'):
env.Append( CCCOMSTR = "Compiling $TARGET" )
env.Append( CXXCOMSTR = env["CCCOMSTR"] )
env.Append( SHCCCOMSTR = "Compiling $TARGET" )
env.Append( SHCXXCOMSTR = env["SHCCCOMSTR"] )
env.Append( LINKCOMSTR = "Linking $TARGET" )
env.Append( SHLINKCOMSTR = env["LINKCOMSTR"] )
env.Append( ARCOMSTR = "Generating library $TARGET" )
endian = get_option( "endian" )
if endian == "auto":
endian = sys.byteorder
if endian == "little":
env["MONGO_BYTE_ORDER"] = "1234"
elif endian == "big":
env["MONGO_BYTE_ORDER"] = "4321"
if env['PYSYSPLATFORM'] == 'linux3':
env['PYSYSPLATFORM'] = 'linux2'
if 'freebsd' in env['PYSYSPLATFORM']:
env['PYSYSPLATFORM'] = 'freebsd'
if os.sys.platform == 'win32':
env['OS_FAMILY'] = 'win'
else:
env['OS_FAMILY'] = 'posix'
if has_option( "cc-use-shell-environment" ) and has_option( "cc" ):
env.FatalError("Cannot specify both --cc-use-shell-environment and --cc")
elif has_option( "cxx-use-shell-environment" ) and has_option( "cxx" ):
env.FatalError("Cannot specify both --cxx-use-shell-environment and --cxx")
if has_option( "gtest-filter" ):
env["gtest_filter"] = get_option('gtest-filter')
if has_option( "cxx-use-shell-environment" ):
env["CXX"] = os.getenv("CXX");
env["CC"] = env["CXX"]
if has_option( "cc-use-shell-environment" ):
env["CC"] = os.getenv("CC");
if has_option( "cxx" ):
if not has_option( "cc" ):
env.FatalError("Must specify C compiler when specifying C++ compiler")
env["CXX"] = get_option( "cxx" )
if has_option( "cc" ):
if not has_option( "cxx" ):
env.FatalError("Must specify C++ compiler when specifying C compiler")
env["CC"] = get_option( "cc" )
if has_option( "libpath" ):
env["LIBPATH"] = [get_option( "libpath" )]
if has_option( "cpppath" ):
env["CPPPATH"] = [get_option( "cpppath" )]
env.Prepend(
CPPDEFINES=[
"MONGO_EXPOSE_MACROS" ,
],
CPPPATH=[
'$VARIANT_DIR',
'$VARIANT_DIR/mongo'
]
)
extraLibPlaces = []
env['EXTRACPPPATH'] = []
env['EXTRALIBPATH'] = []
def addExtraLibs( s ):
for x in s.split(","):
env.Append( EXTRACPPPATH=[ x + "/include" ] )
env.Append( EXTRALIBPATH=[ x + "/lib" ] )
extraLibPlaces.append( x + "/lib" )
if has_option( "extrapath" ):
addExtraLibs( GetOption( "extrapath" ) )
if has_option( "extralib" ):
for x in GetOption( "extralib" ).split( "," ):
env.Append( LIBS=[ x ] )
# ---- other build setup -----
if "uname" in dir(os):
processor = os.uname()[4]
else:
processor = "i386"
if force32:
processor = "i386"
if force64:
processor = "x86_64"
env['PROCESSOR_ARCHITECTURE'] = processor
nixLibPrefix = "lib"
if darwin:
pass
elif linux:
env.Append( LIBS=['m'] )
if os.uname()[4] == "x86_64" and not force32:
linux64 = True
nixLibPrefix = "lib64"
env.Append( EXTRALIBPATH=["/usr/lib64" , "/lib64" ] )
env.Append( LIBS=["pthread"] )
force64 = False
if force32:
env.Append( EXTRALIBPATH=["/usr/lib32"] )
elif solaris:
env.Append( CPPDEFINES=[ "__sunos__" ] )
env.Append( LIBS=["socket","resolv"] )
elif freebsd:
env.Append( LIBS=[ "kvm" ] )
env.Append( EXTRACPPPATH=[ "/usr/local/include" ] )
env.Append( EXTRALIBPATH=[ "/usr/local/lib" ] )
env.Append( CPPDEFINES=[ "__freebsd__" ] )
env.Append( CCFLAGS=[ "-fno-omit-frame-pointer" ] )
elif openbsd:
env.Append( EXTRACPPPATH=[ "/usr/local/include" ] )
env.Append( EXTRALIBPATH=[ "/usr/local/lib" ] )
env.Append( CPPDEFINES=[ "__openbsd__" ] )
elif windows:
dynamicCRT = has_option("dynamic-windows")
# Unless otherwise specified, link boost in the same manner as the CRT.
dynamicBoost = get_option("dynamic-boost")
if dynamicBoost == "auto":
dynamicBoost = "on" if dynamicCRT else "off"
if dynamicBoost == "on":
env.Append( CPPDEFINES=[ "BOOST_ALL_DYN_LINK" ] )
if has_option("sharedclient") and not dynamicCRT:
env.FatalError("The shared client must be built with the dynamic runtime library")
# If tools configuration fails to set up 'cl' in the path, fall back to importing the whole
# shell environment and hope for the best. This will work, for instance, if you have loaded
# an SDK shell.
for pathdir in env['ENV']['PATH'].split(os.pathsep):
if os.path.exists(os.path.join(pathdir, 'cl.exe')):
break
else:
print("NOTE: Tool configuration did not find 'cl' compiler, falling back to os environment")
env['ENV'] = dict(os.environ)
env.Append( CPPDEFINES=[ "_UNICODE" ] )
env.Append( CPPDEFINES=[ "UNICODE" ] )
env.Append( CPPDEFINES=[ "NOMINMAX" ] )
# /EHsc exception handling style for visual studio
# /W3 warning level
env.Append(CCFLAGS=["/EHsc","/W3"])
# some warnings we don't like:
env.Append(CCFLAGS=[
# 'conversion' conversion from 'type1' to 'type2', possible loss of data
# An integer type is converted to a smaller integer type.
"/wd4244",
# 'identifier' : class 'type' needs to have dll-interface to be used by clients of class 'type2'
# Typically some STL type isn't dllexport adorned, and we can't do anything about that
"/wd4251",
# 'var' : conversion from 'size_t' to 'type', possible loss of data When compiling with
# /Wp64, or when compiling on a 64-bit operating system, type is 32 bits but size_t is
# 64 bits when compiling for 64-bit targets. To fix this warning, use size_t instead of
# a type
"/wd4267",
# non - DLL-interface classkey 'identifier' used as base for DLL-interface classkey 'identifier'
# Typically some base like noncopyable isn't dllexport adorned; nothing we can do
"/wd4275",
# C++ exception specification ignored except to indicate a function is not
# __declspec(nothrow A function is declared using exception specification, which Visual
# C++ accepts but does not implement
"/wd4290",
# 'this' : used in base member initializer list
# The this pointer is valid only within nonstatic member functions. It cannot be
# used in the initializer list for a base class.
"/wd4355",
# 'type' : forcing value to bool 'true' or 'false' (performance warning)
# This warning is generated when a value that is not bool is assigned or coerced
# into type bool.
"/wd4800",
# unknown pragma -- added so that we can specify unknown pragmas for other compilers
"/wd4068",
# On extremely old versions of MSVC (pre 2k5), default constructing an array member in a
# constructor's initialization list would not zero the array members "in some cases".
# since we don't target MSVC versions that old, this warning is safe to ignore.
"/wd4351",
])
if not has_option("disable-warnings-as-errors"):
env.Append(
CCFLAGS=["/WX"],
LINKFLAGS=["/WX"],
)
env.Append( CPPDEFINES=[
"_CONSOLE",
"_CRT_NONSTDC_NO_WARNINGS",
"_CRT_SECURE_NO_WARNINGS",
"_CRT_SECURE_NO_DEPRECATE",
"_SCL_SECURE_NO_WARNINGS",
"_SCL_SECURE_NO_DEPRECATE",
] )
# this would be for pre-compiled headers, could play with it later
#env.Append( CCFLAGS=['/Yu"pch.h"'] )
# docs say don't use /FD from command line (minimal rebuild)
# /Gy function level linking (implicit when using /Z7)
# /Z7 debug info goes into each individual .obj file -- no .pdb created
env.Append( CCFLAGS= ["/Z7", "/errorReport:none"] )
# /DEBUG will tell the linker to create a .pdb file
# which WinDbg and Visual Studio will use to resolve
# symbols if you want to debug a release-mode image.
# Note that this means we can't do parallel links in the build.
#
# Please also note that this has nothing to do with _DEBUG or optimization.
env.Append( LINKFLAGS=["/DEBUG"] )
# /MD: use the multithreaded, DLL version of the run-time library (MSVCRT.lib/MSVCR###.DLL)
# /MT: use the multithreaded, static version of the run-time library (LIBCMT.lib)
# /MDd: Defines _DEBUG, _MT, _DLL, and uses MSVCRTD.lib/MSVCRD###.DLL
# /MTd: Defines _DEBUG, _MT, and causes your application to use the
# debug multithread version of the run-time library (LIBCMTD.lib)
winRuntimeLibMap = {
#dyn #dbg
( False, False ) : "/MT",
( False, True ) : "/MTd",
( True, False ) : "/MD",
( True, True ) : "/MDd",
}
env.Append(CCFLAGS=[winRuntimeLibMap[(dynamicCRT, debugBuild)]])
# With VS 2012 and later we need to specify 5.01 as the target console
# so that our 32-bit builds run on Windows XP
# See https://software.intel.com/en-us/articles/linking-applications-using-visual-studio-2012-to-run-on-windows-xp
#
if msarch == "x86":
env.Append( LINKFLAGS=["/SUBSYSTEM:CONSOLE,5.01"])
if optBuild:
# /O2: optimize for speed (as opposed to size)
# /Oy-: disable frame pointer optimization (overrides /O2, only affects 32-bit)
# /INCREMENTAL: NO - disable incremental link - avoid the level of indirection for function
# calls
env.Append( CCFLAGS=["/O2", "/Oy-"] )
env.Append( LINKFLAGS=["/INCREMENTAL:NO"])
else:
env.Append( CCFLAGS=["/Od"] )
if debugBuild and not optBuild:
# /RTC1: - Enable Stack Frame Run-Time Error Checking; Reports when a variable is used
# without having been initialized (implies /Od: no optimizations)
env.Append( CCFLAGS=["/RTC1"] )
env.Append(LIBS=[ 'ws2_32.lib', 'DbgHelp.lib' ])
if nix:
# -Winvalid-pch Warn if a precompiled header (see Precompiled Headers) is found in the search path but can't be used.
env.Append( CCFLAGS=["-fPIC",
"-ggdb",
"-pthread",
"-Wall",
"-Wsign-compare",
"-Wno-unknown-pragmas",
"-Winvalid-pch"] )
# env.Append( " -Wconversion" ) TODO: this doesn't really work yet
if linux or darwin:
env.Append( CCFLAGS=["-pipe"] )
if not has_option("disable-warnings-as-errors"):
env.Append( CCFLAGS=["-Werror"] )
env.Append( CPPDEFINES=["_FILE_OFFSET_BITS=64"] )
env.Append( CXXFLAGS=["-Wnon-virtual-dtor", "-Woverloaded-virtual"] )
env.Append( LINKFLAGS=["-fPIC"] )
# SERVER-9761: Ensure early detection of missing symbols in dependent libraries at program
# startup.
#
# TODO: Is it necessary to add to both linkflags and shlinkflags, or are LINKFLAGS
# propagated to SHLINKFLAGS?
if darwin:
env.Append( LINKFLAGS=["-Wl,-bind_at_load"] )
env.Append( SHLINKFLAGS=["-Wl,-bind_at_load"] )
else:
env.Append( LINKFLAGS=["-Wl,-z,now"] )
env.Append( SHLINKFLAGS=["-Wl,-z,now"] )
if not darwin:
env.Append( LINKFLAGS=["-rdynamic"] )
env.Append( LIBS=[] )
# Allow colorized output
env['ENV']['TERM'] = os.environ.get('TERM', None)
if linux and has_option( "gcov" ):
env.Append( CXXFLAGS=" -fprofile-arcs -ftest-coverage " )
env.Append( LINKFLAGS=" -fprofile-arcs -ftest-coverage " )
if optBuild:
env.Append( CCFLAGS=["-O3"] )
else:
env.Append( CCFLAGS=["-O0"] )
if debugBuild:
if not optBuild:
env.Append( CCFLAGS=["-fstack-protector"] )
env.Append( LINKFLAGS=["-fstack-protector"] )
env.Append( SHLINKFLAGS=["-fstack-protector"] )
if force64:
env.Append( CCFLAGS="-m64" )
env.Append( LINKFLAGS="-m64" )
if force32:
env.Append( CCFLAGS="-m32" )
env.Append( LINKFLAGS="-m32" )
if debugBuild:
env.Append( CPPDEFINES=["MONGO_DEBUG_BUILD"] );
try:
umask = os.umask(022)
except OSError:
pass
env.Prepend(CPPPATH=['$VARIANT_DIR/third_party/gtest-1.7.0/include'])
boostSuffixList = ["-mt", ""]
if get_option("boost-lib-search-suffixes") is not None:
boostSuffixList = get_option("boost-lib-search-suffixes")
if boostSuffixList == "":
boostSuffixList = []
else:
boostSuffixList = boostSuffixList.split(',')
env.Append( CPPPATH=['$EXTRACPPPATH'],
LIBPATH=['$EXTRALIBPATH'] )
# --- check system ---
def doConfigure(myenv):
# Check that the compilers work.
#
# TODO: Currently, we have some flags already injected. Eventually, this should test the
# bare compilers, and we should re-check at the very end that TryCompile and TryLink still
# work with the flags we have selected.
conf = Configure(myenv, help=False)
if 'CheckCXX' in dir( conf ):
if not conf.CheckCXX():
conf.env.FatalError("C++ compiler {0} does not work", conf.env["CXX"])
# Only do C checks if CC != CXX
check_c = (myenv["CC"] != myenv["CXX"])
if check_c and 'CheckCC' in dir( conf ):
if not conf.CheckCC():
conf.env.FatalError("C compiler {0} does not work", conf.env["CC"])
myenv = conf.Finish()
# Identify the toolchain in use. We currently support the following:
# TODO: Goes in the env?
toolchain_gcc = "GCC"
toolchain_clang = "clang"
toolchain_msvc = "MSVC"
def CheckForToolchain(context, toolchain, lang_name, compiler_var, source_suffix):
test_bodies = {
toolchain_gcc : (
# Clang also defines __GNUC__
"""
#if !defined(__GNUC__) || defined(__clang__)
#error
#endif
"""),
toolchain_clang : (
"""
#if !defined(__clang__)
#error
#endif
"""),
toolchain_msvc : (
"""
#if !defined(_MSC_VER)
#error
#endif
"""),
}
print_tuple = (lang_name, context.env[compiler_var], toolchain)
context.Message('Checking if %s compiler "%s" is %s... ' % print_tuple)