mongodb/SConstruct

# -*- mode: python; -*-
# build file for MongoDB
# this requires scons
# you can get from http://www.scons.org
# then just type scons

# some common tasks
#   build 64-bit mac and pushing to s3
#      scons --64 s3dist
#      scons --distname=0.8 s3dist
#      all s3 pushes require settings.py and simples3

EnsureSConsVersion(0, 98, 4) # this is a common version known to work

import os
import sys
import imp
import types
import re
import shutil
import urllib
import urllib2
import buildscripts
import buildscripts.bb
from buildscripts import utils

buildscripts.bb.checkOk()

# --- options ----

def add_option( name, help , nargs , contibutesToVariantDir , dest=None ):

    if dest is None:
        dest = name

    AddOption( "--" + name , 
               dest=dest,
               type="string",
               nargs=nargs,
               action="store",
               help=help )

def get_option( name ):
    return GetOption( name )

def has_option( name ):
    x = get_option( name )
    if x is None:
        return False
    return x


# installation/packaging
add_option( "prefix" , "installation prefix" , 1 , False )
add_option( "distname" , "dist name (0.8.0)" , 1 , False )
add_option( "distmod", "additional piece for full dist name" , 1 , False )
add_option( "nostrip", "do not strip installed binaries" , 0 , False )

add_option( "sharedclient", "build a libmongoclient.so/.dll" , 0 , False )
add_option( "full", "include client and headers when doing scons install", 0 , False )

# 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( "cxx", "compiler to use" , 1 , True )

add_option( "cpppath", "Include path if you have headers in a nonstandard directory" , 1 , True )
add_option( "libpath", "Library path if you have libraries in a nonstandard directory" , 1 , True )

add_option( "extrapath", "comma separated list of add'l paths  (--extrapath /opt/foo/,/foo) static linking" , 1 , True )
add_option( "extrapathdyn", "comma separated list of add'l paths  (--extrapath /opt/foo/,/foo) dynamic linking" , 1 , True )
add_option( "extralib", "comma separated list of libraries  (--extralib js_static,readline" , 1 , True )
add_option( "staticlib", "comma separated list of libs to link statically (--staticlib js_static,boost_program_options-mt,..." , 1 , True )
add_option( "staticlibpath", "comma separated list of dirs to search for staticlib arguments" , 1 , True )

add_option( "boost-compiler", "compiler used for boost (gcc41)" , 1 , True , "boostCompiler" )
add_option( "boost-version", "boost version for linking(1_38)" , 1 , True , "boostVersion" )

# linking options
add_option( "release" , "release build" , 0 , True )
add_option( "static" , "fully static build" , 0 , True )

# experimental features
add_option( "mm", "use main memory instead of memory mapped files" , 0 , True )
add_option( "asio" , "Use Asynchronous IO (NOT READY YET)" , 0 , True )
add_option( "durable", "durability build" , 0 , True )

# library choices
add_option( "usesm" , "use spider monkey for javascript" , 0 , True )
add_option( "usev8" , "use v8 for javascript" , 0 , True )

# mongo feature options
add_option( "noshell", "don't build shell" , 0 , True )
add_option( "safeshell", "don't let shell scripts run programs (still, don't run untrusted scripts)" , 0 , True )

# dev tools
add_option( "d", "debug build no optimization, etc..." , 0 , True , "debugBuild" )
add_option( "dd", "debug build no optimization, additional debug logging, etc..." , 0 , False , "debugBuildAndLogging" )


add_option( "pch" , "use precompiled headers to speed up the build (experimental)" , 0 , True , "usePCH" )
add_option( "distcc" , "use distcc for distributing builds" , 0 , False )

# debugging/profiling help

# to use CPUPROFILE=/tmp/profile
# to view pprof -gv mongod /tmp/profile
add_option( "pg", "link against profiler" , 0 , False , "profile" )
add_option( "gdbserver" , "build in gdb server support" , 0 , True )
add_option( "heapcheck", "link to heap-checking malloc-lib and look for memory leaks during tests" , 0 , False )

add_option("smokedbprefix", "prefix to dbpath et al. for smoke tests", 1 , False )


# --- environment setup ---

def removeIfInList( lst , thing ):
    if thing in lst:
        lst.remove( thing )

def printLocalInfo():
    import sys, SCons
    print( "scons version: " + SCons.__version__ )
    print( "python version: " + " ".join( [ `i` for i in sys.version_info ] ) )

printLocalInfo()

boostLibs = [ "thread" , "filesystem" , "program_options" ]

onlyServer = len( COMMAND_LINE_TARGETS ) == 0 or ( len( COMMAND_LINE_TARGETS ) == 1 and str( COMMAND_LINE_TARGETS[0] ) in [ "mongod" , "mongos" , "test" ] )
nix = False
linux = False
linux64  = False
darwin = False
windows = False
freebsd = False
openbsd = False
solaris = False
force64 = has_option( "force64" )
if not force64 and os.getcwd().endswith( "mongo-64" ):
    force64 = True
    print( "*** assuming you want a 64-bit build b/c of directory *** " )
msarch = None
if force64:
    msarch = "amd64"

force32 = has_option( "force32" ) 
release = has_option( "release" )
static = has_option( "static" )

debugBuild = has_option( "debugBuild" ) or has_option( "debugBuildAndLogging" ) 
debugLogging = has_option( "debugBuildAndLogging" )
noshell = has_option( "noshell" ) 

usesm = has_option( "usesm" )
usev8 = has_option( "usev8" ) 

asio = has_option( "asio" )

usePCH = has_option( "usePCH" )

justClientLib = (COMMAND_LINE_TARGETS == ['mongoclient'])

env = Environment( MSVS_ARCH=msarch , tools = ["default", "gch"], toolpath = '.' )
if has_option( "cxx" ):
    env["CC"] = get_option( "cxx" )
    env["CXX"] = get_option( "cxx" )
env["LIBPATH"] = []

if has_option( "libpath" ):
    env["LIBPATH"] = [get_option( "libpath" )]

if has_option( "cpppath" ):
    env["CPPPATH"] = [get_option( "cpppath" )]

if has_option( "durable" ):
    env.Append( CPPDEFINES=[ "_DURABLE" ] )

env.Append( CPPDEFINES=[ "_SCONS" , "MONGO_EXPOSE_MACROS" ] )
env.Append( CPPPATH=[ "." ] )


if has_option( "safeshell" ):
    env.Append( CPPDEFINES=[ "MONGO_SAFE_SHELL" ] )

boostCompiler = GetOption( "boostCompiler" )
if boostCompiler is None:
    boostCompiler = ""
else:
    boostCompiler = "-" + boostCompiler

boostVersion = GetOption( "boostVersion" )
if boostVersion is None:
    boostVersion = ""
else:
    boostVersion = "-" + boostVersion

if ( not ( usesm or usev8 or justClientLib) ):
    usesm = True

distBuild = len( COMMAND_LINE_TARGETS ) == 1 and ( str( COMMAND_LINE_TARGETS[0] ) == "s3dist" or str( COMMAND_LINE_TARGETS[0] ) == "dist" )

extraLibPlaces = []

def addExtraLibs( s ):
    for x in s.split(","):
        env.Append( CPPPATH=[ x + "/include" ] )
        env.Append( LIBPATH=[ x + "/lib" ] )
        env.Append( LIBPATH=[ x + "/lib64" ] )
        extraLibPlaces.append( x + "/lib" )

if has_option( "extrapath" ):
    addExtraLibs( GetOption( "extrapath" ) )
    release = True # this is so we force using .a

if has_option( "extrapathdyn" ):
    addExtraLibs( GetOption( "extrapathdyn" ) )

if has_option( "extralib" ):
    for x in GetOption( "extralib" ).split( "," ):
        env.Append( LIBS=[ x ] )

class InstallSetup:
    binaries = False
    clientSrc = False
    headers = False
    bannerDir = None
    headerRoot = "include"

    def __init__(self):
        self.default()
    
    def default(self):
        self.binaries = True
        self.libraries = False
        self.clientSrc = False
        self.headers = False
        self.bannerDir = None
        self.headerRoot = "include"
        self.clientTestsDir = None

    def justClient(self):
        self.binaries = False
        self.libraries = False
        self.clientSrc = True
        self.headers = True
        self.bannerDir = "distsrc/client/"
        self.headerRoot = ""
        self.clientTestsDir = "client/examples/"
        
installSetup = InstallSetup()
if distBuild:
    installSetup.bannerDir = "distsrc"

if has_option( "full" ):
    installSetup.headers = True
    installSetup.libraries = True


# ------    SOURCE FILE SETUP -----------

commonFiles = Split( "pch.cpp buildinfo.cpp db/common.cpp db/jsobj.cpp db/json.cpp db/lasterror.cpp db/nonce.cpp db/queryutil.cpp db/projection.cpp shell/mongo.cpp" )
commonFiles += [ "util/background.cpp" , "util/mmap.cpp" , "util/sock.cpp" ,  "util/util.cpp" , "util/message.cpp" , 
                 "util/assert_util.cpp" , "util/log.cpp" , "util/httpclient.cpp" , "util/md5main.cpp" , "util/base64.cpp", "util/concurrency/vars.cpp", "util/concurrency/task.cpp", "util/debug_util.cpp",
                 "util/concurrency/thread_pool.cpp", "util/password.cpp", "util/version.cpp", "util/signal_handlers.cpp",  
                 "util/histogram.cpp", "util/concurrency/spin_lock.cpp", "util/text.cpp" , "util/stringutils.cpp" , "util/processinfo.cpp" ,
                 "util/concurrency/synchronization.cpp" ]
commonFiles += Glob( "util/*.c" )
commonFiles += Split( "client/connpool.cpp client/dbclient.cpp client/dbclientcursor.cpp client/model.cpp client/syncclusterconnection.cpp client/distlock.cpp s/shardconnection.cpp" )

#mmap stuff

if has_option( "mm" ):
    commonFiles += [ "util/mmap_mm.cpp" ]
elif os.sys.platform == "win32":
    commonFiles += [ "util/mmap_win.cpp" ]
else:
    commonFiles += [ "util/mmap_posix.cpp" ]

if os.path.exists( "util/processinfo_" + os.sys.platform + ".cpp" ):
    commonFiles += [ "util/processinfo_" + os.sys.platform + ".cpp" ]
else:
    commonFiles += [ "util/processinfo_none.cpp" ]

coreDbFiles = [ "db/commands.cpp" ]
coreServerFiles = [ "util/message_server_port.cpp" , 
                    "client/parallel.cpp" ,  
                    "util/miniwebserver.cpp" , "db/dbwebserver.cpp" , 
                    "db/matcher.cpp" , "db/indexkey.cpp" , "db/dbcommands_generic.cpp" ]

if has_option( "asio" ):
    coreServerFiles += [ "util/message_server_asio.cpp" ]

serverOnlyFiles = Split( "util/logfile.cpp util/alignedbuilder.cpp db/mongommf.cpp db/dur.cpp db/durop.cpp db/dur_recover.cpp db/dur_journal.cpp db/query.cpp db/update.cpp db/introspect.cpp db/btree.cpp db/clientcursor.cpp db/tests.cpp db/repl.cpp db/repl/rs.cpp db/repl/consensus.cpp db/repl/rs_initiate.cpp db/repl/replset_commands.cpp db/repl/manager.cpp db/repl/health.cpp db/repl/heartbeat.cpp db/repl/rs_config.cpp db/repl/rs_rollback.cpp db/repl/rs_sync.cpp db/repl/rs_initialsync.cpp db/oplog.cpp db/repl_block.cpp db/btreecursor.cpp db/cloner.cpp db/namespace.cpp db/cap.cpp db/matcher_covered.cpp db/dbeval.cpp db/restapi.cpp db/dbhelpers.cpp db/instance.cpp db/client.cpp db/database.cpp db/pdfile.cpp db/cursor.cpp db/security_commands.cpp db/security.cpp db/queryoptimizer.cpp db/extsort.cpp db/cmdline.cpp" )

serverOnlyFiles += [ "db/index.cpp" ] + Glob( "db/geo/*.cpp" )

serverOnlyFiles += [ "db/dbcommands.cpp" , "db/dbcommands_admin.cpp" ]
serverOnlyFiles += Glob( "db/commands/*.cpp" )
coreServerFiles += Glob( "db/stats/*.cpp" )
serverOnlyFiles += [ "db/driverHelpers.cpp" ]

scriptingFiles = [ "scripting/engine.cpp" , "scripting/utils.cpp" , "scripting/bench.cpp" ]

if usesm:
    scriptingFiles += [ "scripting/engine_spidermonkey.cpp" ]
elif usev8:
    scriptingFiles += [ Glob( "scripting/*v8*.cpp" ) ]
else:
    scriptingFiles += [ "scripting/engine_none.cpp" ]

coreServerFiles += scriptingFiles

coreShardFiles = [ "s/config.cpp" , "s/grid.cpp" , "s/chunk.cpp" , "s/shard.cpp" , "s/shardkey.cpp" ]
shardServerFiles = coreShardFiles + Glob( "s/strategy*.cpp" ) + [ "s/commands_admin.cpp" , "s/commands_public.cpp" , "s/request.cpp" ,  "s/cursors.cpp" ,  "s/server.cpp" , "s/config_migrate.cpp" , "s/s_only.cpp" , "s/stats.cpp" , "s/balance.cpp" , "s/balancer_policy.cpp" , "db/cmdline.cpp" , "s/writeback_listener.cpp" , "s/shard_version.cpp" ]
serverOnlyFiles += coreShardFiles + [ "s/d_logic.cpp" , "s/d_writeback.cpp" , "s/d_migrate.cpp" , "s/d_state.cpp" , "s/d_split.cpp" , "client/distlock_test.cpp" , "s/d_chunk_manager.cpp" , "s/d_background_splitter.cpp" ]

serverOnlyFiles += [ "db/module.cpp" ] + Glob( "db/modules/*.cpp" )

modules = []
moduleNames = []

for x in os.listdir( "db/modules/" ):
    if x.find( "." ) >= 0:
        continue
    print( "adding module: " + x )
    moduleNames.append( x )
    modRoot = "db/modules/" + x + "/"
    serverOnlyFiles += Glob( modRoot + "src/*.cpp" )
    modBuildFile = modRoot + "build.py"
    if os.path.exists( modBuildFile ):
        modules += [ imp.load_module( "module_" + x , open( modBuildFile , "r" ) , modBuildFile , ( ".py" , "r" , imp.PY_SOURCE  ) ) ]

allClientFiles = commonFiles + coreDbFiles + [ "client/clientOnly.cpp" , "client/gridfs.cpp" ];

# ---- other build setup -----

platform = os.sys.platform
if "uname" in dir(os):
    processor = os.uname()[4]
else:
    processor = "i386"

if force32:
    processor = "i386"
if force64:
    processor = "x86_64"

DEFAULT_INSTALL_DIR = "/usr/local"
installDir = DEFAULT_INSTALL_DIR
nixLibPrefix = "lib"

distName = GetOption( "distname" )
dontReplacePackage = False

if distBuild:
    release = True

def isDriverBuild():
    return GetOption( "prefix" ) and GetOption( "prefix" ).find( "mongo-cxx-driver" ) >= 0

if has_option( "prefix" ):
    installDir = GetOption( "prefix" )
    if isDriverBuild():
        installSetup.justClient()


def findVersion( root , choices ):
    if not isinstance(root, list):
        root = [root]
    for r in root:
        for c in choices:
            if ( os.path.exists( r + c ) ):
                return r + c
    raise RuntimeError("can't find a version of [" + repr(root) + "] choices: " + repr(choices))

def choosePathExist( choices , default=None):
    for c in choices:
        if c != None and os.path.exists( c ):
            return c
    return default

def filterExists(paths):
    return filter(os.path.exists, paths)

if "darwin" == os.sys.platform:
    darwin = True
    platform = "osx" # prettier than darwin

    if env["CXX"] is None:
        print( "YO" )
        if os.path.exists( "/usr/bin/g++-4.2" ):
            env["CXX"] = "g++-4.2"

    nix = True

    if force64:
        env.Append( CPPPATH=["/usr/64/include"] )
        env.Append( LIBPATH=["/usr/64/lib"] )
        if installDir == DEFAULT_INSTALL_DIR and not distBuild:
            installDir = "/usr/64/"
    else:
        env.Append( CPPPATH=filterExists(["/sw/include" , "/opt/local/include"]) )
        env.Append( LIBPATH=filterExists(["/sw/lib/", "/opt/local/lib"]) )

elif "linux2" == os.sys.platform:
    linux = True
    platform = "linux"

    if os.uname()[4] == "x86_64" and not force32:
        linux64 = True
        nixLibPrefix = "lib64"
        env.Append( LIBPATH=["/usr/lib64" , "/lib64" ] )
        env.Append( LIBS=["pthread"] )

        force64 = False

    if force32:
        env.Append( LIBPATH=["/usr/lib32"] )

    nix = True

    if static:
        env.Append( LINKFLAGS=" -static " )

elif "sunos5" == os.sys.platform:
     nix = True
     solaris = True
     env.Append( CPPDEFINES=[ "__sunos__" ] )
     env.Append( LIBS=["socket","resolv"] )

elif os.sys.platform.startswith( "freebsd" ):
    nix = True
    freebsd = True
    env.Append( CPPPATH=[ "/usr/local/include" ] )
    env.Append( LIBPATH=[ "/usr/local/lib" ] )
    env.Append( CPPDEFINES=[ "__freebsd__" ] )

elif os.sys.platform.startswith( "openbsd" ):
    nix = True
    openbsd = True
    env.Append( CPPPATH=[ "/usr/local/include" ] )
    env.Append( LIBPATH=[ "/usr/local/lib" ] )
    env.Append( CPPDEFINES=[ "__openbsd__" ] )

elif "win32" == os.sys.platform:
    windows = True
    #if force64:
    #    release = True

    for pathdir in env['ENV']['PATH'].split(os.pathsep):
	if os.path.exists(os.path.join(pathdir, 'cl.exe')):
            print( "found visual studio at " + pathdir )
	    break
    else:
	#use current environment
	env['ENV'] = dict(os.environ)

    def find_boost():
        for x in ('', ' (x86)'):	
            boostDir = "C:/Program Files" + x + "/boost/latest"
            if os.path.exists( boostDir ):
                return boostDir
            for bv in reversed( range(33,50) ):
	            for extra in ('', '_0', '_1'):
		            boostDir = "C:/Program Files" + x + "/Boost/boost_1_" + str(bv) + extra
		            if os.path.exists( boostDir ):
		                return boostDir
        if os.path.exists( "C:/boost" ):
	        return "C:/boost"
        if os.path.exists( "/boost" ):
	        return "/boost"
        return None

    boostDir = find_boost()
    if boostDir is None:
        print( "can't find boost" )
        Exit(1)
    else:
        print( "boost found at '" + boostDir + "'" )

    boostLibs = []

    env.Append(CPPPATH=[ "js/src/" ])
    env.Append(CPPPATH=["../js/src/"])
    env.Append(LIBPATH=["../js/src"])
    env.Append(LIBPATH=["../js/"])

    env.Append( CPPDEFINES=[ "OLDJS" ] )
    env.Append( CPPDEFINES=[ "_UNICODE" ] )
    env.Append( CPPDEFINES=[ "UNICODE" ] )

    winSDKHome = findVersion( [ "C:/Program Files/Microsoft SDKs/Windows/", "C:/Program Files (x86)/Microsoft SDKs/Windows/" ] ,
                              [ "v7.0A", "v7.0", "v6.1", "v6.0a", "v6.0" ] )
    print( "Windows SDK Root '" + winSDKHome + "'" )

    env.Append( CPPPATH=[ boostDir , "pcre-7.4" , winSDKHome + "/Include" ] )

    # consider adding /MP build with multiple processes option.

    # /EHsc exception handling style for visual studio
    # /W3 warning level
    env.Append( CPPFLAGS=" /EHsc /W3 " )

    # some warnings we don't like:
    env.Append( CPPFLAGS=" /wd4355 /wd4800 /wd4267 /wd4244 " )
    
    env.Append( CPPDEFINES=["WIN32","_CONSOLE","_CRT_SECURE_NO_WARNINGS","HAVE_CONFIG_H","PCRE_STATIC","SUPPORT_UCP","SUPPORT_UTF8,PSAPI_VERSION=1" ] )

    #env.Append( CPPFLAGS='  /Yu"pch.h" ' ) # this would be for pre-compiled headers, could play with it later

    # docs say don't use /FD from command line
    # /Gy funtion level linking
    # /Gm is minimal rebuild, but may not work in parallel mode.
    if release:
        env.Append( CPPDEFINES=[ "NDEBUG" ] )
        env.Append( CPPFLAGS= " /O2 /MT /Gy /Zi /TP /errorReport:none " )
        # TODO: this has caused some linking problems :
        # /GL whole program optimization
        # /LTCG link time code generation
        env.Append( CPPFLAGS= " /GL " ) 
        env.Append( LINKFLAGS=" /LTCG " )
    else:

        # /Od disable optimization
        # /ZI debug info w/edit & continue 
        # /TP it's a c++ file
        # RTC1 /GZ (Enable Stack Frame Run-Time Error Checking)
        env.Append( CPPFLAGS=" /RTC1 /MDd /Z7 /TP /errorReport:none " )
        env.Append( CPPFLAGS=' /Fd"mongod.pdb" ' )

        if debugBuild:
            env.Append( LINKFLAGS=" /debug " )
            env.Append( CPPFLAGS=" /Od " )
            
        if debugLogging:
            env.Append( CPPDEFINES=[ "_DEBUG" ] )

    if os.path.exists("../readline/lib") :
        env.Append( LIBPATH=["../readline/lib"] )
        env.Append( CPPPATH=["../readline/include"] )

    if force64 and os.path.exists( boostDir + "/lib/vs2010_64" ):
        env.Append( LIBPATH=[ boostDir + "/lib/vs2010_64" ] )
    elif not force64 and os.path.exists( boostDir + "/lib/vs2010_32" ):
        env.Append( LIBPATH=[ boostDir + "/lib/vs2010_32" ] )
    else:
        env.Append( LIBPATH=[ boostDir + "/Lib" ] )

    if force64:
        env.Append( LIBPATH=[ winSDKHome + "/Lib/x64" ] )
    else:
        env.Append( LIBPATH=[ winSDKHome + "/Lib" ] )

    if release:
        #env.Append( LINKFLAGS=" /NODEFAULTLIB:MSVCPRT  /NODEFAULTLIB:MSVCRTD " )
        env.Append( LINKFLAGS=" /NODEFAULTLIB:MSVCPRT  " )
    else:
        env.Append( LINKFLAGS=" /NODEFAULTLIB:MSVCPRT  /NODEFAULTLIB:MSVCRT  " )

    def pcreFilter(x):
        name = x.name
        if x.name.endswith( "dftables.c" ):
            return False
        if x.name.endswith( "pcredemo.c" ):
            return False
        if x.name.endswith( "pcretest.c" ):
            return False
        if x.name.endswith( "unittest.cc" ):
            return False
        if x.name.endswith( "pcregrep.c" ):
            return False
        return True

    pcreFiles = []
    pcreFiles += filter( pcreFilter , Glob( "pcre-7.4/*.c"  ) )
    pcreFiles += filter( pcreFilter , Glob( "pcre-7.4/*.cc" ) )
    commonFiles += pcreFiles
    allClientFiles += pcreFiles

    winLibString = "ws2_32.lib kernel32.lib advapi32.lib Psapi.lib"

    if force64:
        
        winLibString += ""
        #winLibString += " LIBCMT LIBCPMT "

    else:
        winLibString += " user32.lib gdi32.lib winspool.lib comdlg32.lib  shell32.lib ole32.lib oleaut32.lib "
        winLibString += " odbc32.lib odbccp32.lib uuid.lib "

    env.Append( LIBS=Split(winLibString) )

    # dm these should automatically be defined by the compiler. commenting out to see if works. jun2010
    #if force64:
    #    env.Append( CPPDEFINES=["_AMD64_=1"] )
    #else:
    #    env.Append( CPPDEFINES=["_X86_=1"] )

    env.Append( CPPPATH=["../winpcap/Include"] )
    env.Append( LIBPATH=["../winpcap/Lib"] )

else:
    print( "No special config for [" + os.sys.platform + "] which probably means it won't work" )

if nix:

    if has_option( "distcc" ):
        env["CXX"] = "distcc " + env["CXX"]
        
    env.Append( CPPFLAGS="-fPIC -fno-strict-aliasing -ggdb -pthread -Wall -Wsign-compare -Wno-unknown-pragmas -Winvalid-pch" )
    # env.Append( " -Wconversion" ) TODO: this doesn't really work yet
    if linux:
        env.Append( CPPFLAGS=" -Werror " )
    env.Append( CXXFLAGS=" -Wnon-virtual-dtor " )
    env.Append( LINKFLAGS=" -fPIC -pthread -rdynamic" )
    env.Append( LIBS=[] )

    #make scons colorgcc friendly
    env['ENV']['HOME'] = os.environ['HOME']
    env['ENV']['TERM'] = os.environ['TERM']

    if linux and has_option( "sharedclient" ):
        env.Append( LINKFLAGS=" -Wl,--as-needed -Wl,-zdefs " )

    if debugBuild:
        env.Append( CPPFLAGS=" -O0 -fstack-protector " );
        env['ENV']['GLIBCXX_FORCE_NEW'] = 1; # play nice with valgrind
    else:
        env.Append( CPPFLAGS=" -O3" )
        #env.Append( CPPFLAGS=" -fprofile-generate" )
        #env.Append( LINKFLAGS=" -fprofile-generate" )
        # then:
        #env.Append( CPPFLAGS=" -fprofile-use" )
        #env.Append( LINKFLAGS=" -fprofile-use" )        

    if debugLogging:
        env.Append( CPPFLAGS=" -D_DEBUG" );

    if force64:
        env.Append( CFLAGS="-m64" )
        env.Append( CXXFLAGS="-m64" )
        env.Append( LINKFLAGS="-m64" )

    if force32:
        env.Append( CFLAGS="-m32" )
        env.Append( CXXFLAGS="-m32" )
        env.Append( LINKFLAGS="-m32" )

    if has_option( "profile" ):
        env.Append( LIBS=[ "profiler" ] )

    if has_option( "gdbserver" ):
        env.Append( CPPDEFINES=["USE_GDBSERVER"] )

    # pre-compiled headers
    if usePCH and 'Gch' in dir( env ):
        print( "using precompiled headers" )
        env['Gch'] = env.Gch( [ "pch.h" ] )[0]
    elif os.path.exists('pch.h.gch'):
        print( "removing precompiled headers" )
        os.unlink('pch.h.gch') # gcc uses the file if it exists

if usev8:
    env.Append( CPPPATH=["../v8/include/"] )
    env.Append( LIBPATH=["../v8/"] )


if "uname" in dir(os):
    hacks = buildscripts.findHacks( os.uname() )
    if hacks is not None:
        hacks.insert( env , { "linux64" : linux64 } )

try:
    umask = os.umask(022)
except OSError:
    pass

# --- check system ---

def getSysInfo():
    if windows:
        return "windows " + str( sys.getwindowsversion() )
    else:
        return " ".join( os.uname() )

def add_exe(target):
    if windows:
        return target + ".exe"
    return target

def setupBuildInfoFile( outFile ):
    version = utils.getGitVersion()
    if len(moduleNames) > 0:
        version = version + " modules: " + ','.join( moduleNames )
    sysInfo = getSysInfo()
    contents = '\n'.join([
        '#include "pch.h"',
        '#include <iostream>',
        '#include <boost/version.hpp>',
        'namespace mongo { const char * gitVersion(){ return "' + version + '"; } }',
        'namespace mongo { string sysInfo(){ return "' + sysInfo + ' BOOST_LIB_VERSION=" BOOST_LIB_VERSION ; } }',
        ])

    contents += '\n';

    if os.path.exists( outFile ) and open( outFile ).read().strip() == contents.strip():
        return

    contents += '\n';

    out = open( outFile , 'w' )
    out.write( contents )
    out.close()

setupBuildInfoFile( "buildinfo.cpp" )

def bigLibString( myenv ):
    s = str( myenv["LIBS"] )
    if 'SLIBS' in myenv._dict:
        s += str( myenv["SLIBS"] )
    return s


def doConfigure( myenv , needPcre=True , shell=False ):
    conf = Configure(myenv)
    myenv["LINKFLAGS_CLEAN"] = list( myenv["LINKFLAGS"] )
    myenv["LIBS_CLEAN"] = list( myenv["LIBS"] )

    if 'CheckCXX' in dir( conf ):
        if  not conf.CheckCXX():
            print( "c++ compiler not installed!" )
            Exit(1)

    if nix and not shell:
        if not conf.CheckLib( "stdc++" ):
            print( "can't find stdc++ library which is needed" );
            Exit(1)

    def myCheckLib( poss , failIfNotFound=False , staticOnly=False):

        if type( poss ) != types.ListType :
            poss = [poss]

        allPlaces = [];
        allPlaces += extraLibPlaces
        if nix and release:
            allPlaces += myenv["LIBPATH"]
            if not force64:
                allPlaces += [ "/usr/lib" , "/usr/local/lib" ]

            for p in poss:
                for loc in allPlaces:
                    fullPath = loc + "/lib" + p + ".a"
                    if os.path.exists( fullPath ):
                        myenv['_LIBFLAGS']='${_stripixes(LIBLINKPREFIX, LIBS, LIBLINKSUFFIX, LIBPREFIXES, LIBSUFFIXES, __env__)} $SLIBS'
                        myenv.Append( SLIBS=" " + fullPath + " " )
                        return True


        if release and not windows and failIfNotFound:
            print( "ERROR: can't find static version of: " + str( poss ) + " in: " + str( allPlaces ) )
            Exit(1)

        res = not staticOnly and conf.CheckLib( poss )
        if res:
            return True

        if failIfNotFound:
            print( "can't find or link against library " + str( poss ) + " in " + str( myenv["LIBPATH"] ) )
            print( "see config.log for more information" )
            if windows:
                print( "use scons --64 when cl.exe is 64 bit compiler" )
            Exit(1)

        return False

    if needPcre and not conf.CheckCXXHeader( 'pcrecpp.h' ):
        print( "can't find pcre" )
        Exit(1)

    if not conf.CheckCXXHeader( "boost/filesystem/operations.hpp" ):
        print( "can't find boost headers" )
        if shell:
            print( "\tshell might not compile" )
        else:
            Exit(1)

    if asio:
        if conf.CheckCXXHeader( "boost/asio.hpp" ):
            myenv.Append( CPPDEFINES=[ "USE_ASIO" ] )
        else:
            print( "WARNING: old version of boost - you should consider upgrading" )

    # this will add it if it exists and works
    myCheckLib( [ "boost_system" + boostCompiler + "-mt" + boostVersion ,
                  "boost_system" + boostCompiler + boostVersion ] )

    for b in boostLibs:
        l = "boost_" + b
        myCheckLib( [ l + boostCompiler + "-mt" + boostVersion ,
                      l + boostCompiler + boostVersion ] ,
                    release or not shell)

    if not conf.CheckCXXHeader( "execinfo.h" ):
        myenv.Append( CPPDEFINES=[ "NOEXECINFO" ] )

    if nix and needPcre:
        myCheckLib( "pcrecpp" , True )
        myCheckLib( "pcre" , True )

    myenv["_HAVEPCAP"] = myCheckLib( ["pcap", "wpcap"] )
    removeIfInList( myenv["LIBS"] , "pcap" )
    removeIfInList( myenv["LIBS"] , "wpcap" )

    for m in modules:
        m.configure( conf , myenv )

    # this is outside of usesm block so don't have to rebuild for java
    if windows:
        myenv.Append( CPPDEFINES=[ "XP_WIN" ] )
    else:
        myenv.Append( CPPDEFINES=[ "XP_UNIX" ] )

    if solaris:
        conf.CheckLib( "nsl" )

    if usesm:

        # see http://www.mongodb.org/pages/viewpageattachments.action?pageId=12157032
        J = [ "mozjs" , "js", "js_static" ]
        if windows:
            if msarch == "amd64":
                if release:
                    J = [ "js64r", "js", "mozjs" , "js_static" ]
                else:
                    J = "js64d"
                    print( "looking for js64d.lib for spidermonkey. (available at mongodb.org prebuilt)" );
            else:
                if not force32:
                    print( "Assuming a 32 bit build is desired" )
                if release:
                    J = [ "js32r", "js", "mozjs" , "js_static" ]
                else:
                    J = [ "js32d", "js", "mozjs" , "js_static" ]
                
        myCheckLib( J , True )
        mozHeader = "js"
        if bigLibString(myenv).find( "mozjs" ) >= 0:
            mozHeader = "mozjs"

        if not conf.CheckHeader( mozHeader + "/jsapi.h" ):
            if conf.CheckHeader( "jsapi.h" ):
                myenv.Append( CPPDEFINES=[ "OLDJS" ] )
            else:
                print( "no spider monkey headers!" )
                Exit(1)

    if usev8:
        if debugBuild:
            myCheckLib( [ "v8_g" , "v8" ] , True )
        else:
            myCheckLib( "v8" , True )

    if shell:
        haveReadLine = False
        if darwin:
            myenv.Append( CPPDEFINES=[ "USE_READLINE" ] )
            if force64:
                myCheckLib( "readline" , True )
                myCheckLib( "ncurses" , True )
            else:
                myenv.Append( LINKFLAGS=" /usr/lib/libreadline.dylib " )
        elif openbsd:
            myenv.Append( CPPDEFINES=[ "USE_READLINE" ] )
            myCheckLib( "termcap" , True )
            myCheckLib( "readline" , True )
        elif myCheckLib( "readline" , release and nix , staticOnly=release ):
            myenv.Append( CPPDEFINES=[ "USE_READLINE" ] )
            myCheckLib( "ncurses" , staticOnly=release )
            myCheckLib( "tinfo" , staticOnly=release )
        else:
            print( "\n*** notice: no readline library, mongo shell will not have nice interactive line editing ***\n" )

        if linux:
            myCheckLib( "rt" , True )

    # requires ports devel/libexecinfo to be installed
    if freebsd or openbsd:
        myCheckLib( "execinfo", True )
        env.Append( LIBS=[ "execinfo" ] )

    # Handle staticlib,staticlibpath options.
    staticlibfiles = []
    if has_option( "staticlib" ):
        # FIXME: probably this loop ought to do something clever
        # depending on whether we want to use 32bit or 64bit
        # libraries.  For now, we sort of rely on the user supplying a
        # sensible staticlibpath option. (myCheckLib implements an
        # analogous search, but it also does other things I don't
        # understand, so I'm not using it.)
        if has_option ( "staticlibpath" ):
            dirs = GetOption ( "staticlibpath" ).split( "," )
        else:
            dirs = [ "/usr/lib64", "/usr/lib" ]

        for l in GetOption( "staticlib" ).split( "," ):
            removeIfInList(myenv["LIBS"], l)
            found = False
            for d in dirs:
                f=  "%s/lib%s.a" % ( d, l )
                if os.path.exists( f ):
                    staticlibfiles.append(f)
                    found = True
                    break
            if not found:
                raise "can't find a static %s" % l

    # 'tcmalloc' needs to be the last library linked. Please, add new libraries before this 
    # point.
    if ( GetOption( "heapcheck" ) is not None ) and ( not shell ):
        if ( not debugBuild ) and ( not debugLogging ):
            print( "--heapcheck needs --d or --dd" )
            Exit( 1 )

        if not conf.CheckCXXHeader( "google/heap-checker.h" ):
            print( "--heapcheck neads header 'google/heap-checker.h'" )
            Exit( 1 )

        myCheckLib( "tcmalloc" , True );  # if successful, appedded 'tcmalloc' to myenv[ LIBS ]
        myenv.Append( CPPDEFINES=[ "HEAP_CHECKING" ] )
        myenv.Append( CPPFLAGS="-fno-omit-frame-pointer" )

    # FIXME doConfigure() is being called twice, in the case of the shell. So if it is called 
    # with shell==True, it'd be on its second call and it would need to rearrange the libraries'
    # order. The following removes tcmalloc from the LIB's list and reinserts it at the end.
    if ( GetOption( "heapcheck" ) is not None ) and ( shell ):
        removeIfInList( myenv["LIBS"] , "tcmalloc" )
        myenv.Append( LIBS="tcmalloc" )

    myenv.Append(LINKCOM=" $STATICFILES")
    myenv.Append(STATICFILES=staticlibfiles)

    return conf.Finish()

env = doConfigure( env )


# --- jsh ---

def jsToH(target, source, env):

    outFile = str( target[0] )

    h =  ['#include "bson/stringdata.h"'
         ,'namespace mongo {'
         ,'struct JSFile{ const char* name; const StringData& source; };'
         ,'namespace JSFiles{'
         ]

    def cppEscape(s):
        s = s.strip()
        s = s.replace( '\\' , '\\\\' )
        s = s.replace( '"' , r'\"' )
        return s

    for s in source:
        filename = str(s)
        objname = os.path.split(filename)[1].split('.')[0]
        stringname = '_jscode_raw_' + objname

        h.append('const StringData ' + stringname + " = ")

        for l in open( filename , 'r' ):
            h.append( '"' + cppEscape(l) + r'\n" ' )

        h.append(";")
        h.append('extern const JSFile %s;'%objname) #symbols aren't exported w/o this
        h.append('const JSFile %s = { "%s" , %s };'%(objname, filename.replace('\\', '/'), stringname))

    h.append("} // namespace JSFiles")
    h.append("} // namespace mongo")
    h.append("")

    text = '\n'.join(h);

    out = open( outFile , 'wb' )
    out.write( text )
    out.close()

    # mongo_vstudio.cpp is in git as the .vcproj doesn't generate this file.
    if outFile.find( "mongo.cpp" ) >= 0:
        out = open( outFile.replace( "mongo" , "mongo_vstudio" ) , 'wb' )
        out.write( text )
        out.close()

    return None

jshBuilder = Builder(action = jsToH,
                    suffix = '.cpp',
                    src_suffix = '.js')

env.Append( BUILDERS={'JSHeader' : jshBuilder})


# --- targets ----

clientEnv = env.Clone();
clientEnv.Append( CPPPATH=["../"] )
clientEnv.Prepend( LIBS=[ "mongoclient"] )
clientEnv.Prepend( LIBPATH=["."] )
clientEnv["CPPDEFINES"].remove( "MONGO_EXPOSE_MACROS" )
l = clientEnv[ "LIBS" ]
removeIfInList( l , "pcre" )
removeIfInList( l , "pcrecpp" )

testEnv = env.Clone()
testEnv.Append( CPPPATH=["../"] )
testEnv.Prepend( LIBS=[ "mongotestfiles" ] )
testEnv.Prepend( LIBPATH=["."] )

# ----- TARGETS ------

def checkErrorCodes():
    import buildscripts.errorcodes as x
    if x.checkErrorCodes() == False:
        print( "next id to use:" + str( x.getNextCode() ) )
        Exit(-1)

checkErrorCodes()

# main db target
mongodOnlyFiles = [ "db/db.cpp" ]
if windows:
    mongodOnlyFiles.append( "util/ntservice.cpp" ) 
mongod = env.Program( "mongod" , commonFiles + coreDbFiles + coreServerFiles + serverOnlyFiles + mongodOnlyFiles )
Default( mongod )

# tools
allToolFiles = commonFiles + coreDbFiles + coreServerFiles + serverOnlyFiles + [ "client/gridfs.cpp", "tools/tool.cpp" ]
normalTools = [ "dump" , "restore" , "export" , "import" , "files" , "stat" ]
env.Alias( "tools" , [ add_exe( "mongo" + x ) for x in normalTools ] )
for x in normalTools:
    env.Program( "mongo" + x , allToolFiles + [ "tools/" + x + ".cpp" ] )

#some special tools
env.Program( "bsondump" , allToolFiles + [ "tools/bsondump.cpp" ] )
env.Program( "mongobridge" , allToolFiles + [ "tools/bridge.cpp" ] )

# mongos
mongos = env.Program( "mongos" , commonFiles + coreDbFiles + coreServerFiles + shardServerFiles )

# c++ library
clientLibName = str( env.Library( "mongoclient" , allClientFiles )[0] )
if GetOption( "sharedclient" ):
    sharedClientLibName = str( env.SharedLibrary( "mongoclient" , allClientFiles )[0] )
env.Library( "mongotestfiles" , commonFiles + coreDbFiles + coreServerFiles + serverOnlyFiles + ["client/gridfs.cpp"])
env.Library( "mongoshellfiles" , allClientFiles + coreServerFiles )

clientTests = []

# examples
clientTests += [ clientEnv.Program( "firstExample" , [ "client/examples/first.cpp" ] ) ]
clientTests += [ clientEnv.Program( "secondExample" , [ "client/examples/second.cpp" ] ) ]
clientTests += [ clientEnv.Program( "whereExample" , [ "client/examples/whereExample.cpp" ] ) ]
clientTests += [ clientEnv.Program( "authTest" , [ "client/examples/authTest.cpp" ] ) ]
clientTests += [ clientEnv.Program( "httpClientTest" , [ "client/examples/httpClientTest.cpp" ] ) ]
clientTests += [ clientEnv.Program( "bsondemo" , [ "bson/bsondemo/bsondemo.cpp" ] ) ]

# testing
test = testEnv.Program( "test" , Glob( "dbtests/*.cpp" ) )
if windows:
    testEnv.Alias( "test" , "test.exe" )
perftest = testEnv.Program( "perftest", [ "dbtests/framework.cpp" , "dbtests/perf/perftest.cpp" ] )
clientTests += [ clientEnv.Program( "clientTest" , [ "client/examples/clientTest.cpp" ] ) ]

# --- sniffer ---
mongosniff_built = False
if darwin or clientEnv["_HAVEPCAP"]:
    mongosniff_built = True
    sniffEnv = clientEnv.Clone()
    sniffEnv.Append( CPPDEFINES="MONGO_EXPOSE_MACROS" )
    if not windows:
        sniffEnv.Append( LIBS=[ "pcap" ] )
    else:
        sniffEnv.Append( LIBS=[ "wpcap" ] )
    sniffEnv.Program( "mongosniff" , "tools/sniffer.cpp" )

# --- shell ---

env.JSHeader( "shell/mongo.cpp"  , ["shell/utils.js","shell/db.js","shell/mongo.js","shell/mr.js","shell/query.js","shell/collection.js"] )

env.JSHeader( "shell/mongo-server.cpp"  , [ "shell/servers.js"] )

shellEnv = env.Clone();

if release and ( ( darwin and force64 ) or linux64 ):
    shellEnv["LINKFLAGS"] = env["LINKFLAGS_CLEAN"]
    shellEnv["LIBS"] = env["LIBS_CLEAN"]
    shellEnv["SLIBS"] = ""

if noshell:
    print( "not building shell" )
elif not onlyServer:
    weird = force64 and not windows and not solaris

    if weird:
        shellEnv["CFLAGS"].remove("-m64")
        shellEnv["CXXFLAGS"].remove("-m64")
        shellEnv["LINKFLAGS"].remove("-m64")
        shellEnv["CPPPATH"].remove( "/usr/64/include" )
        shellEnv["LIBPATH"].remove( "/usr/64/lib" )
        shellEnv.Append( CPPPATH=filterExists(["/sw/include" , "/opt/local/include"]) )
        shellEnv.Append( LIBPATH=filterExists(["/sw/lib/", "/opt/local/lib" , "/usr/lib", "/usr/local/lib" ]) )

    l = shellEnv["LIBS"]

    removeIfInList( l , "pcre" )
    removeIfInList( l , "pcrecpp" )

    if windows:
        shellEnv.Append( LIBS=["winmm.lib"] )

    coreShellFiles = [ "shell/dbshell.cpp" , "shell/shell_utils.cpp" , "shell/mongo-server.cpp" ]

    if weird:
        shell32BitFiles = coreShellFiles
        for f in allClientFiles:
            shell32BitFiles.append( "32bit/" + str( f ) )
        for f in scriptingFiles:
            shell32BitFiles.append( "32bit/" + str( f ) )
        shellEnv.VariantDir( "32bit" , "." , duplicate=0 )
    else:
        shellEnv.Prepend( LIBPATH=[ "." ] )

    shellEnv = doConfigure( shellEnv , needPcre=False , shell=True )

    if weird:
        mongo = shellEnv.Program( "mongo" , shell32BitFiles )
    else:
        shellEnv.Prepend( LIBS=[ "mongoshellfiles"] )
        mongo = shellEnv.Program( "mongo" , coreShellFiles )

    if weird:
        Depends( "32bit/shell/mongo.cpp" , "shell/mongo.cpp" )
        Depends( "32bit/shell/mongo-server.cpp" , "shell/mongo-server.cpp" )


#  ---- RUNNING TESTS ----

smokeEnv = testEnv.Clone()
smokeEnv['ENV']['PATH']=os.environ['PATH']
smokeEnv.Alias( "dummySmokeSideEffect", [], [] )

smokeFlags = []

# Ugh.  Frobbing the smokeFlags must precede using them to construct
# actions, I think.
if GetOption( 'smokedbprefix') is not None:
    smokeFlags += ['--smoke-db-prefix', GetOption( 'smokedbprefix')]

if 'startMongodSmallOplog' in COMMAND_LINE_TARGETS:
    smokeFlags += ["--small-oplog"]

def addTest(name, deps, actions):
    smokeEnv.Alias( name, deps, actions )
    smokeEnv.AlwaysBuild( name )
    # Prevent smoke tests from running in parallel
    smokeEnv.SideEffect( "dummySmokeSideEffect", name )

def addSmoketest( name, deps ):
    # Convert from smoke to test, smokeJs to js, and foo to foo
    target = name
    if name.startswith("smoke"):
        if name == "smoke":
            target = "test"
        else:
            target = name[5].lower() + name[6:]

    addTest(name, deps, [ "python buildscripts/smoke.py " + " ".join(smokeFlags) + ' ' + target ])

addSmoketest( "smoke", [ add_exe( "test" ) ] )
addSmoketest( "smokePerf", [ "perftest" ]  )
addSmoketest( "smokeClient" , clientTests )
addSmoketest( "mongosTest" , [ mongos[0].abspath ] )

# These tests require the mongo shell
if not onlyServer and not noshell:
    addSmoketest( "smokeJs", [add_exe("mongo")] )
    addSmoketest( "smokeClone", [ "mongo", "mongod" ] )
    addSmoketest( "smokeRepl", [ "mongo", "mongod", "mongobridge" ] )
    addSmoketest( "smokeReplSets", [ "mongo", "mongod", "mongobridge" ] )
    addSmoketest( "smokeDisk", [ add_exe( "mongo" ), add_exe( "mongod" ), add_exe( "mongodump" ), add_exe( "mongorestore" ) ] )
    addSmoketest( "smokeAuth", [ add_exe( "mongo" ), add_exe( "mongod" ) ] )
    addSmoketest( "smokeParallel", [ add_exe( "mongo" ), add_exe( "mongod" ) ] )
    addSmoketest( "smokeSharding", [ "mongo", "mongod", "mongos" ] )
    addSmoketest( "smokeJsPerf", [ "mongo" ] )
    addSmoketest("smokeJsSlowNightly", [add_exe("mongo")])
    addSmoketest("smokeJsSlowWeekly", [add_exe("mongo")])
    addSmoketest( "smokeQuota", [ "mongo" ] )
    addSmoketest( "smokeTool", [ add_exe( "mongo" ) ] )

# Note: although the test running logic has been moved to
# buildscripts/smoke.py, the interface to running the tests has been
# something like 'scons startMongod <suite>'; startMongod is now a
# no-op, and should go away eventually.
smokeEnv.Alias( "startMongod", [add_exe("mongod")]);
smokeEnv.AlwaysBuild( "startMongod" );
smokeEnv.SideEffect( "dummySmokeSideEffect", "startMongod" )

smokeEnv.Alias( "startMongodSmallOplog", [add_exe("mongod")], [] );
smokeEnv.AlwaysBuild( "startMongodSmallOplog" );
smokeEnv.SideEffect( "dummySmokeSideEffect", "startMongodSmallOplog" )

def addMongodReqTargets( env, target, source ):
    mongodReqTargets = [ "smokeClient", "smokeJs" ]
    for target in mongodReqTargets:
        smokeEnv.Depends( target, "startMongod" )
        smokeEnv.Depends( "smokeAll", target )

smokeEnv.Alias( "addMongodReqTargets", [], [addMongodReqTargets] )
smokeEnv.AlwaysBuild( "addMongodReqTargets" )

smokeEnv.Alias( "smokeAll", [ "smoke", "mongosTest", "smokeClone", "smokeRepl", "addMongodReqTargets", "smokeDisk", "smokeAuth", "smokeSharding", "smokeTool" ] )
smokeEnv.AlwaysBuild( "smokeAll" )

def addMongodReqNoJsTargets( env, target, source ):
    mongodReqTargets = [ "smokeClient" ]
    for target in mongodReqTargets:
        smokeEnv.Depends( target, "startMongod" )
        smokeEnv.Depends( "smokeAllNoJs", target )

smokeEnv.Alias( "addMongodReqNoJsTargets", [], [addMongodReqNoJsTargets] )
smokeEnv.AlwaysBuild( "addMongodReqNoJsTargets" )

smokeEnv.Alias( "smokeAllNoJs", [ "smoke", "mongosTest", "addMongodReqNoJsTargets" ] )
smokeEnv.AlwaysBuild( "smokeAllNoJs" )

def recordPerformance( env, target, source ):
    from buildscripts import benchmark_tools
    global perftest
    import subprocess, re
    p = subprocess.Popen( [ perftest[0].abspath ], stdout=subprocess.PIPE )
    b = p.communicate()[ 0 ]
    print( "perftest results:" );
    print( b );
    if p.returncode != 0:
        return True
    entries = re.findall( "{.*?}", b )
    import sys
    for e in entries:
        matches = re.match( "{'(.*?)': (.*?)}", e )
        name = matches.group( 1 )
        val = float( matches.group( 2 ) )
        sub = { "benchmark": { "project": "http://github.com/mongodb/mongo", "description": "" }, "trial": {} }
        sub[ "benchmark" ][ "name" ] = name
        sub[ "benchmark" ][ "tags" ] = [ "c++", re.match( "(.*)__", name ).group( 1 ) ]
        sub[ "trial" ][ "server_hash" ] = utils.getGitVersion()
        sub[ "trial" ][ "client_hash" ] = ""
        sub[ "trial" ][ "result" ] = val
        try:
            print(benchmark_tools.post_data(sub))
        except:
            print( "exception posting perf results" )
            print( sys.exc_info() )
    return False

addTest( "recordPerf", [ "perftest" ] , [ recordPerformance ] )

def run_shell_tests(env, target, source):
    from buildscripts import test_shell
    test_shell.mongo_path = windows and "mongo.exe" or "mongo"
    test_shell.run_tests()

env.Alias("test_shell", [], [run_shell_tests])
env.AlwaysBuild("test_shell")

#  ---- Docs ----
def build_docs(env, target, source):
    from buildscripts import docs
    docs.main()

env.Alias("docs", [], [build_docs])
env.AlwaysBuild("docs")

#  ----  INSTALL -------

def getSystemInstallName():
    n = platform + "-" + processor
    if static:
        n += "-static"
    if GetOption("nostrip"):
        n += "-debugsymbols"
    if nix and os.uname()[2].startswith( "8." ):
        n += "-tiger"
        
    if len(moduleNames) > 0:
        n += "-" + "-".join( moduleNames )

    try:
        import settings
        if "distmod" in dir( settings ):
            n = n + "-" + str( settings.distmod )
    except:
        pass

        
    dn = GetOption( "distmod" )
    if dn and len(dn) > 0:
        n = n + "-" + dn

    return n

def getCodeVersion():
    fullSource = open( "util/version.cpp" , "r" ).read()
    allMatches = re.findall( r"versionString.. = \"(.*?)\"" , fullSource );
    if len(allMatches) != 1:
        print( "can't find version # in code" )
        return None
    return allMatches[0]

if getCodeVersion() == None:
    Exit(-1)

def getDistName( sofar ):
    global distName
    global dontReplacePackage

    if distName is not None:
        return distName

    if str( COMMAND_LINE_TARGETS[0] ) == "s3dist":
        version = getCodeVersion()
        if not version.endswith( "+" ) and not version.endswith("-"):
            print( "got real code version, doing release build for: " + version )
            dontReplacePackage = True
            distName = version
            return version


    return utils.getGitBranchString( "" , "-" ) + today.strftime( "%Y-%m-%d" )


if distBuild:
    if isDriverBuild():
        installDir = GetOption( "prefix" )
    else:
        from datetime import date
        today = date.today()
        installDir = "mongodb-" + getSystemInstallName() + "-"
        installDir += getDistName( installDir )
        print "going to make dist: " + installDir

# binaries

def checkGlibc(target,source,env):
    import subprocess
    stringProcess = subprocess.Popen( [ "strings" , str( target[0] ) ] , stdout=subprocess.PIPE )
    stringResult = stringProcess.communicate()[0]
    if stringResult.count( "GLIBC_2.4" ) > 0:
        print( "************* " + str( target[0] ) + " has GLIBC_2.4 dependencies!" )
        Exit(-3)

allBinaries = []

def installBinary( e , name ):
    if not installSetup.binaries:
        return

    global allBinaries

    if windows:
        e.Alias( name , name + ".exe" )
        name += ".exe"

    inst = e.Install( installDir + "/bin" , name )

    fullInstallName = installDir + "/bin/" + name

    allBinaries += [ name ]
    if (solaris or linux) and (not GetOption("nostrip")):
        e.AddPostAction( inst, e.Action( 'strip ' + fullInstallName ) )

    if linux and len( COMMAND_LINE_TARGETS ) == 1 and str( COMMAND_LINE_TARGETS[0] ) == "s3dist":
        e.AddPostAction( inst , checkGlibc )

    if nix:
        e.AddPostAction( inst , e.Action( 'chmod 755 ' + fullInstallName ) )

for x in normalTools:
    installBinary( env , "mongo" + x )
installBinary( env , "bsondump" )

if mongosniff_built:
    installBinary(env, "mongosniff")

installBinary( env , "mongod" )
installBinary( env , "mongos" )

if not noshell:
    installBinary( env , "mongo" )

env.Alias( "all" , allBinaries )
env.Alias( "core" , [ add_exe( "mongo" ) , add_exe( "mongod" ) , add_exe( "mongos" ) ] )

#headers
if installSetup.headers:
    for id in [ "", "util/", "util/mongoutils/", "util/concurrency/", "db/" , "db/stats/" , "db/repl/" , "client/" , "bson/", "bson/util/" , "s/" , "scripting/" ]:
        env.Install( installDir + "/" + installSetup.headerRoot + "/mongo/" + id , Glob( id + "*.h" ) )
        env.Install( installDir + "/" + installSetup.headerRoot + "/mongo/" + id , Glob( id + "*.hpp" ) )

if installSetup.clientSrc:
    for x in allClientFiles:
        x = str(x)
        env.Install( installDir + "/mongo/" + x.rpartition( "/" )[0] , x )

#lib
if installSetup.libraries:
    env.Install( installDir + "/" + nixLibPrefix, clientLibName )
    if GetOption( "sharedclient" ): 
        env.Install( installDir + "/" + nixLibPrefix, sharedClientLibName )


#textfiles
if installSetup.bannerDir:
    for x in os.listdir( installSetup.bannerDir ):
        full = installSetup.bannerDir + "/" + x
        if os.path.isdir( full ):
            continue
        if x.find( "~" ) >= 0:
            continue
        env.Install( installDir , full )

if installSetup.clientTestsDir:
    for x in os.listdir( installSetup.clientTestsDir ):
        full = installSetup.clientTestsDir + "/" + x
        if os.path.isdir( full ):
            continue
        if x.find( "~" ) >= 0:
            continue
        env.Install( installDir + '/' + installSetup.clientTestsDir , full )

#final alias
env.Alias( "install" , installDir )

# aliases
env.Alias( "mongoclient" , GetOption( "sharedclient" ) and sharedClientLibName or clientLibName )


#  ---- CONVENIENCE ----

def tabs( env, target, source ):
    from subprocess import Popen, PIPE
    from re import search, match
    diff = Popen( [ "git", "diff", "-U0", "origin", "master" ], stdout=PIPE ).communicate()[ 0 ]
    sourceFile = False
    for line in diff.split( "\n" ):
        if match( "diff --git", line ):
            sourceFile = not not search( "\.(h|hpp|c|cpp)\s*$", line )
        if sourceFile and match( "\+ *\t", line ):
            return True
    return False
env.Alias( "checkSource", [], [ tabs ] )
env.AlwaysBuild( "checkSource" )

def gitPush( env, target, source ):
    import subprocess
    return subprocess.call( [ "git", "push" ] )
env.Alias( "push", [ ".", "smoke", "checkSource" ], gitPush )
env.AlwaysBuild( "push" )


# ---- deploying ---

def s3push( localName , remoteName=None , remotePrefix=None , fixName=True , platformDir=True ):

    if remotePrefix is None:
        if distName is None:
            remotePrefix = utils.getGitBranchString( "-" ) + "-latest"
        else:
            remotePrefix = "-" + distName

    sys.path.append( "." )
    sys.path.append( ".." )
    sys.path.append( "../../" )

    import simples3
    import settings

    s = simples3.S3Bucket( settings.bucket , settings.id , settings.key )

    if remoteName is None:
        remoteName = localName

    if fixName:
        (root,dot,suffix) = localName.rpartition( "." )
        name = remoteName + "-" + getSystemInstallName()
        name += remotePrefix
        if dot == "." :
            name += "." + suffix
        name = name.lower()
    else:
        name = remoteName
        
    if isDriverBuild():
        name = "cxx-driver/" + name
    elif platformDir:
        name = platform + "/" + name

    print( "uploading " + localName + " to http://s3.amazonaws.com/" + s.name + "/" + name )
    if dontReplacePackage:
        for ( key , modify , etag , size ) in s.listdir( prefix=name ):
            print( "error: already a file with that name, not uploading" )
            Exit(2)
    s.put( name  , open( localName , "rb" ).read() , acl="public-read" );
    print( "  done uploading!" )

def s3shellpush( env , target , source ):
    s3push( "mongo" , "mongo-shell" )

env.Alias( "s3shell" , [ "mongo" ] , [ s3shellpush ] )
env.AlwaysBuild( "s3shell" )

def s3dist( env , target , source ):
    s3push( distFile , "mongodb" )

env.Append( TARFLAGS=" -z " )

if installDir[-1] != "/":
    if windows:
        distFile = installDir + ".zip"
        env.Zip( distFile , installDir )
    else:
        distFile = installDir + ".tgz"
        env.Tar( distFile , installDir )

    env.Alias( "dist" , distFile )
    env.Alias( "s3dist" , [ "install"  , distFile ] , [ s3dist ] )
    env.AlwaysBuild( "s3dist" )


# client dist
def build_and_test_client(env, target, source):
    from subprocess import call

    if GetOption("extrapath") is not None:
        scons_command = ["scons", "--extrapath=" + GetOption("extrapath")]
    else:
        scons_command = ["scons"]

    call(scons_command + ["libmongoclient.a", "clientTests"], cwd=installDir)

    return bool(call(["python", "buildscripts/smoke.py",
                      "--test-path", installDir, "client"]))
env.Alias("clientBuild", [mongod, installDir], [build_and_test_client])
env.AlwaysBuild("clientBuild")

def clean_old_dist_builds(env, target, source):
    prefix = "mongodb-%s-%s" % (platform, processor)
    filenames = sorted(os.listdir("."))
    filenames = [x for x in filenames if x.startswith(prefix)]
    to_keep = [x for x in filenames if x.endswith(".tgz") or x.endswith(".zip")][-2:]
    for filename in [x for x in filenames if x not in to_keep]:
        print "removing %s" % filename
        try:
            shutil.rmtree(filename)
        except:
            os.remove(filename)

env.Alias("dist_clean", [], [clean_old_dist_builds])
env.AlwaysBuild("dist_clean")

# --- an uninstall target ---
if len(COMMAND_LINE_TARGETS) > 0 and 'uninstall' in COMMAND_LINE_TARGETS:
    SetOption("clean", 1)
    # By inspection, changing COMMAND_LINE_TARGETS here doesn't do
    # what we want, but changing BUILD_TARGETS does.
    BUILD_TARGETS.remove("uninstall")
    BUILD_TARGETS.append("install")