# vi:filetype=python:expandtab:tabstop=4:shiftwidth=4
#
# file SConstruct
#
# This file is part of LyX, the document processor.
# Licence details can be found in the file COPYING.
#
# \author Bo Peng
# Full author contact details are available in file CREDITS.
#
# This is a scons based building system for lyx, please refer
# to INSTALL.scons for detailed instructions.
#

import os, sys, copy, cPickle, glob

# scons_utils.py defines a few utility function
sys.path.append('config')
import scons_utils as utils

#----------------------------------------------------------
# Required runtime environment
#----------------------------------------------------------

# scons asks for 1.5.2, lyx requires 2.3
EnsurePythonVersion(2, 3)
# Please use at least 0.96.91 (not 0.96.1)
EnsureSConsVersion(0, 96)

# determine where I am ...
#
# called as 'cd development/scons; scons'
if os.path.isfile('SConstruct'):
    top_src_dir = '../..'
    scons_dir = '.'
# called as 'scons -f development/scons/SConstruct'
else:
    top_src_dir = '.'
    scons_dir = 'development/scons'


#----------------------------------------------------------
# Global definitions
#----------------------------------------------------------

# some global settings
#
# detect version of lyx
# only 1.4.x has frontends/qt2
if os.path.isdir(os.path.join(top_src_dir, 'src', 'frontends', 'qt2')):
    package_version = '1.4.2svn'
    boost_version = '1_32'
else:
    package_version = '1.5.0svn'
    boost_version = '1_33_1'

devel_version = True
default_build_mode = 'debug'
lyx_ext = '*.C'

package = 'lyx'
package_bugreport = 'lyx-devel@lists.lyx.org'
package_name = 'LyX'
package_tarname = 'lyx'
package_string = '%s %s' % (package_name, package_version)

# various cache/log files
default_log_file = 'scons_lyx.log'
env_cache_file = 'env.cache'


#----------------------------------------------------------
# platform dependent settings
#----------------------------------------------------------

if os.name == 'nt':
    platform_name = 'win32'
    default_frontend = 'qt4'
    default_prefix = 'c:/program files/lyx'
    default_with_x = False
    default_packaging_method = 'windows'
elif os.name == 'posix' and sys.platform != 'cygwin':
    platform_name = sys.platform
    default_frontend = 'qt3'
    default_prefix = '/usr/local'
    default_with_x = True
    default_packaging_method = 'posix'
elif os.name == 'posix' and sys.platform == 'cygwin':
    platform_name = 'cygwin'
    default_frontend = 'qt3'
    default_prefix = '/usr'
    default_with_x = True
    default_packaging_method = 'posix'
elif os.name == 'darwin':
    platform_name = 'macosx'
    default_frontend = 'qt3'
    # FIXME: macOSX default prefix?
    default_prefix = '.'
    default_with_x = False
    default_packaging_method = 'macosx'
else:  # unsupported system, assume posix behavior
    platform_name = 'others'
    default_frontend = 'qt3'
    default_prefix = '.'
    default_with_x = True
    default_packaging_method = 'posix'

# 1.4.2 only has qt2 frontend
if package_version == '1.4.2svn':
    default_frontend = 'qt2'

#---------------------------------------------------------
# Handling options
#----------------------------------------------------------
#
# You can set perminant default values in config.py
if os.path.isfile('config.py'):
    print "Getting options from config.py..."
    print open('config.py').read()

opts = Options(['config.py'])
opts.AddOptions(
    # frontend
    EnumOption('frontend', 'Main GUI', default_frontend,
        allowed_values = ('qt2', 'qt3', 'qt4', 'gtk') ),
    # debug or release build
    EnumOption('mode', 'Building method', default_build_mode,
        allowed_values = ('debug', 'release') ),
    # boost libraries
    EnumOption('boost',
        'Use included, system boost library, or try sytem boost first.',
        'auto', allowed_values = (
            'auto',       # detect boost, if not found, use included
            'included',   # always use included boost
            'system',     # always use system boost, fail if can not find
            ) ),
    #
    EnumOption('gettext',
        'Use included, system gettext library, or try sytem gettext first',
        'auto', allowed_values = (
            'auto',       # detect gettext, if not found, use included
            'included',   # always use included gettext
            'system',     # always use system gettext, fail if can not find
            ) ),
    #
    EnumOption('spell', 'Choose spell checker to use.', 'auto',
        allowed_values = ('aspell', 'pspell', 'ispell', 'auto', 'no') ),
    # packaging method
    EnumOption('packaging', 'Packaging method to use.', default_packaging_method,
        allowed_values = ('windows', 'posix', 'macosx')),
    #
    BoolOption('fast_start', 'Whether or not use cached tests and keep current config.h', True),
    # No precompiled header support (too troublesome to make it work for msvc)
    # BoolOption('pch', 'Whether or not use pch', False),
    # enable assertion, (config.h has ENABLE_ASSERTIOS
    BoolOption('assertions', 'Use assertions', True),
    # enable warning, (config.h has WITH_WARNINGS)
    # default to False since MSVC does not have #warning
    BoolOption('warnings', 'Use warnings', False),
    # config.h define _GLIBCXX_CONCEPT_CHECKS
    # Note: for earlier version of gcc (3.3) define _GLIBCPP_CONCEPT_CHECKS
    BoolOption('concept_checks', 'Enable concept checks', True),
    #
    BoolOption('nls', 'Whether or not use native language support', True),
    #
    BoolOption('profiling', 'Whether or not enable profiling', False),
    # config.h define _GLIBCXX_DEBUG and _GLIBCXX_DEBUG_PEDANTIC
    BoolOption('stdlib_debug', 'Whether or not turn on stdlib debug', False),
    # using x11?
    BoolOption('X11', 'Use x11 windows system', default_with_x),
    # use MS VC++ to build lyx
    BoolOption('use_vc', 'Use MS VC++ to build lyx (cl.exe will be probed)', None),
    #
    PathOption('qt_dir', 'Path to qt directory', None),
    #
    PathOption('qt_inc_path', 'Path to qt include directory', None),
    #
    PathOption('qt_lib_path', 'Path to qt library directory', None),
    # extra include and libpath
    PathOption('extra_inc_path', 'Extra include path', None),
    #
    PathOption('extra_lib_path', 'Extra library path', None),
    #
    PathOption('extra_bin_path', 'A convenient way to add a path to $PATH', None),
    #
    PathOption('extra_inc_path1', 'Extra include path', None),
    #
    PathOption('extra_lib_path1', 'Extra library path', None),
    # rebuild only specifed, comma separated targets
    ('rebuild', 'rebuild only specifed, comma separated targets', None),
    # can be set to a non-existing directory
    ('prefix', 'install architecture-independent files in PREFIX', default_prefix),
    # build directory, will use $mode if not set
    ('build_dir', 'Build directory', None),
    # version suffix
    ('version_suffix', 'install lyx as lyx-suffix', None),
    # how to load options
    ('load_option', '''load option from previous scons run. option can be
        yes (default): load all options
        no: do not load any option
        opt1,opt2: load specified options
        -opt1,opt2: load all options other than specified ones''', 'yes'),
    #
    ('optimization', 'optimization CCFLAGS option.', None),
    #
    PathOption('exec_prefix', 'install architecture-independent executable files in PREFIX', None),
    # log file
    ('logfile', 'save commands (not outputs) to logfile', default_log_file),
    # provided for backward compatibility
    ('dest_dir', 'install to DESTDIR. (Provided for backward compatibility only)', None),
    # environment variable can be set as options.
    ('DESTDIR', 'install to DESTDIR', None),
    ('CC', 'replace default $CC', None),
    ('LINK', 'replace default $LINK', None),
    ('CPP', 'replace default $CPP', None),
    ('CXX', 'replace default $CXX', None),
    ('CXXCPP', 'replace default $CXXCPP', None),
    ('CCFLAGS', 'replace default $CCFLAGS', None),
    ('CPPFLAGS', 'replace default $CPPFLAGS', None),
    ('LINKFLAGS', 'replace default $LINKFLAGS', None),
)

# copied from SCons/Options/BoolOption.py
# We need to use them before a boolean ARGUMENTS option is available
# in env as bool.
true_strings  = ('y', 'yes', 'true', 't', '1', 'on' , 'all' )
false_strings = ('n', 'no', 'false', 'f', '0', 'off', 'none')

# whether or not use current config.h, and cached tests
#
# if fast_start=yes (default), load variables from env_cache_file
if (not ARGUMENTS.has_key('fast_start') or \
    ARGUMENTS['fast_start'] in true_strings) \
    and os.path.isfile(env_cache_file):
    fast_start = True
    cache_file = open(env_cache_file)
    env_cache = cPickle.load(cache_file)
    cache_file.close()
    print '------------ fast_start mode --------------------'
    print '  Use cached test results and current config.h'
    print '  use fast_start=no to override'
    print
else:
    fast_start = False
    env_cache = {}

# if load_option=yes (default), load saved comand line options
#
# This option can take value yes/no/opt1,opt2/-opt1,opt2
# and tries to be clever in choosing options to load
if (not ARGUMENTS.has_key('load_option') or \
    ARGUMENTS['load_option'] not in false_strings) \
    and os.path.isfile(env_cache_file):
    cache_file = open(env_cache_file)
    opt_cache = cPickle.load(cache_file)['arg_cache']
    cache_file.close()
    # import cached options, but we should ignore qt_dir when frontend changes
    if ARGUMENTS.has_key('frontend') and opt_cache.has_key('frontend') \
        and ARGUMENTS['frontend'] != opt_cache['frontend'] \
        and opt_cache.has_key('qt_dir'):
        opt_cache.pop('qt_dir')
    # some options will require full rebuild
    # these are in general things that will change config.h
    for arg in ['version_suffix', 'nls', 'boost', 'spell']:
        if ARGUMENTS.has_key(arg) and ((not opt_cache.has_key(arg)) or \
            ARGUMENTS[arg] != opt_cache[arg]):
            if fast_start:
                print "  ** fast_start is disabled because of the change of option", arg
                print
                fast_start = False
    # and we do not cache some options
    for arg in ['fast_start', 'load_option']:
        if opt_cache.has_key(arg):
            opt_cache.pop(arg)
    # now, if load_option=opt1,opt2 or -opt1,opt2
    if ARGUMENTS.has_key('load_option') and \
        ARGUMENTS['load_option'] not in true_strings + false_strings:
        # if -opt1,opt2 is specified, do not load these options
        if ARGUMENTS['load_option'][0] == '-':
            for arg in ARGUMENTS['load_option'][1:].split(','):
                if opt_cache.has_key(arg):
                    opt_cache.pop(arg)
        # if opt1,opt2 is specified, only load specified options
        else:
            args = ARGUMENTS['load_option'].split(',')
            for arg in opt_cache.keys():
                if arg not in args:
                    opt_cache.pop(arg)
    # now restore options as if entered from command line
    for key in opt_cache.keys():
        if not ARGUMENTS.has_key(key):
            ARGUMENTS[key] = opt_cache[key]
            print "Restoring cached option  %s=%s" % (key, ARGUMENTS[key])
    print

# save arguments
env_cache['arg_cache'] = ARGUMENTS


#---------------------------------------------------------
# Setting up environment
#---------------------------------------------------------

# I do not really like ENV=os.environ, but you may add it
# here if you experience some environment related problem
env = Environment(options = opts)

# set individual variables since I do not really like ENV = os.environ
env['ENV']['PATH'] = os.environ.get('PATH')
env['ENV']['HOME'] = os.environ.get('HOME')
# these are defined for MSVC
env['ENV']['LIB'] = os.environ.get('LIB')
env['ENV']['INCLUDE'] = os.environ.get('INCLUDE')

# for simplicity, use var instead of env[var]
frontend = env['frontend']
prefix = env['prefix']
mode = env['mode']

if platform_name == 'win32':
    if env.has_key('use_vc'):
        use_vc = env['use_vc']
        if WhereIs('cl.exe') is None:
            print "cl.exe is not found. Are you using the MSVC environment?"
            Exit(2)
    elif WhereIs('cl.exe') is not None:
        use_vc = True
    else:
        use_vc = False
else:
    use_vc = False

# lyx will be built to $build/build_dir so it is possible
# to build multiple build_dirs using the same source
# $mode can be debug or release
if env.has_key('build_dir') and env['build_dir'] is not None:
    # create the directory if needed
    if not os.path.isdir(env['build_dir']):
        try:
            os.makedirs(env['build_dir'])
        except:
            pass
        if not os.path.isdir(env['build_dir']):
            print 'Can not create directory', env['build_dir']
            Exit(3)
    env['BUILDDIR'] = env['build_dir']
else:
    # Determine the name of the build $mode
    env['BUILDDIR'] = '#' + mode

# all built libraries will go to build_dir/libs
# (This is different from the make file approach)
env['LOCALLIBPATH'] = '$BUILDDIR/libs'
env.AppendUnique(LIBPATH = ['$LOCALLIBPATH'])


# Here is a summary of variables defined in env
# 1. defined options
# 2. undefined options with a non-None default value
# 3. compiler commands and flags like CCFLAGS.
#     MSGFMT used to process po files
# 4. Variables that will be used to replace variables in some_file.in
#     src/support/package.C.in:
#       TOP_SRCDIR, LOCALEDIR, LYX_DIR, PROGRAM_SUFFIX
#     lib/lyx2lyx/lyx2lyx_version.py.in
#       PACKAGE_VERSION
#     src/version.C.in
#       PACKAGE_VERSION, VERSION_INFO

# full path name is used to build msvs project files
# and to replace TOP_SRCDIR in package.C
env['TOP_SRCDIR'] = Dir(top_src_dir).abspath
# needed by src/version.C.in => src/version.C
env['PACKAGE_VERSION'] = package_version

# determine share_dir etc
packaging_method = env.get('packaging')
if packaging_method == 'windows':
    share_dir = 'Resources'
    man_dir = 'Resources/man/man1'
    locale_dir = 'Resources/locale'
    default_prefix = 'c:/program files/lyx'
else:
    share_dir = 'share/lyx'
    man_dir = 'man/man1'
    locale_dir = 'share/locale'
    default_prefix = '/usr/local/'

# install to default_prefix by default
# program suffix: can be yes, or a string
if env.has_key('version_suffix'):
    if env['version_suffix'] in true_strings:
        program_suffix = package_version
    elif env['version_suffix'] in false_strings:
        program_suffix = ''
    else:
        program_suffix = env['version_suffix']
else:
    program_suffix = ''
# used by package.C.in
env['PROGRAM_SUFFIX'] = program_suffix

# whether or not add suffix to file and directory names
add_suffix = packaging_method != 'windows'
# LYX_DIR are different (used in package.C.in)
if add_suffix:
    env['LYX_DIR'] = Dir(os.path.join(prefix, share_dir + program_suffix)).abspath
else:
    env['LYX_DIR'] = Dir(os.path.join(prefix, share_dir)).abspath
# we need absolute path for package.C
env['LOCALEDIR'] = Dir(os.path.join(prefix, locale_dir)).abspath


#---------------------------------------------------------
# Setting building environment (Tools, compiler flags etc)
#---------------------------------------------------------

# Since Tool('mingw') will reset CCFLAGS etc, this should be
# done before getEnvVariable
if platform_name == 'win32':
    if use_vc:
        env.Tool('msvc')
        env.Tool('mslink')
    else:
        env.Tool('mingw')
        env.AppendUnique(CPPPATH = ['#c:/MinGW/include'])

# we differentiate between hard-coded options and default options
# hard-coded options are required and will always be there
# default options can be replaced by enviromental variables or command line options
CCFLAGS_required = []
LINKFLAGS_required = []
CCFLAGS_default = []

# under windows, scons is confused by .C/.c and uses gcc instead of
# g++. I am forcing the use of g++ here. This is expected to change
# after lyx renames all .C files to .cpp
#
# save the old c compiler and CCFLAGS (used by libintl)
C_COMPILER = env.subst('$CC')
C_CCFLAGS = env.subst('$CCFLAGS').split()
# if we use ms vc, the commands are fine (cl.exe and link.exe)
if use_vc:
    # /TP treat all source code as C++
    # C4819: The file contains a character that cannot be represented
    #   in the current code page (number)
    # C4996: foo was decleared deprecated
    CCFLAGS_required.extend(['/TP', '/EHsc'])
    CCFLAGS_default.extend(['/wd4819', '/wd4996', '/nologo'])
else:
    if env.has_key('CXX') and env['CXX']:
        env['CC'] = env.subst('$CXX')
        env['LINK'] = env.subst('$CXX')
    else:
        env['CC'] = 'g++'
        env['LINK'] = 'g++'

# for debug/release mode
if env.has_key('optimization') and env['optimization'] is not None:
    # if user supplies optimization flags, use it anyway
    CCFLAGS_required.extend(env['optimization'].split())
    # and do not use default
    set_default_optimization_flags = False
else:
    set_default_optimization_flags = True

if mode == 'debug':
    if use_vc:
        CCFLAGS_required.append('/Zi')
        LINKFLAGS_required.extend(['/debug', '/map'])
    else:
        CCFLAGS_required.append('-g')
        CCFLAGS_default.append('-O')
elif mode == 'release' and set_default_optimization_flags:
    if use_vc:
        CCFLAGS_default.append('/O2')
    else:
        CCFLAGS_default.append('-O2')

# msvc uses separate tools for profiling
if env.has_key('profiling') and env['profiling']:
    if use_vc:
        print 'Visual C++ does not use profiling options'
    else:
        CCFLAGS_required.append('-pg')
        LINKFLAGS_required.append('-pg')

if env.has_key('warnings') and env['warnings']:
    if use_vc:
        CCFLAGS_default.append('/W2')
    else:
        # Note: autotools detect gxx version and pass -W for 3.x
        # and -Wextra for other versions of gcc
        CCFLAGS_default.append('-Wall')

# Now, set the variables as follows:
# 1. if command line option exists: replace default
# 2. then if s envronment variable exists: replace default
# 3. set variable to required + default
def setEnvVariable(env, name, required = None, default = None, split = True):
    ''' env: environment to set variable
            name: variable
            required: hardcoded options
            default: default options that can be replaced by command line or
                environment variables
            split: whether or not split obtained variable like '-02 -g'
    '''
    # first try command line argument (override environment settings)
    if ARGUMENTS.has_key(name):
        default = ARGUMENTS[name]
        if split:
            default = default.split()
    # then use environment default
    elif os.environ.has_key(name):
        print "Acquiring varaible %s from system environment: %s" % (name, os.environ[name])
        default = os.environ[name]
        if split:
            default = default.split()
    # set variable
    if required is not None:
        env[name] = required
    if default is not None:
        if env.has_key(name) and env[name] != default:
            env[name] += default
        else:
            env[name] = default

setEnvVariable(env, 'DESTDIR', split=False)
setEnvVariable(env, 'CC')
setEnvVariable(env, 'LINK')
setEnvVariable(env, 'CPP')
setEnvVariable(env, 'CXX')
setEnvVariable(env, 'CXXCPP')
setEnvVariable(env, 'CCFLAGS', CCFLAGS_required, CCFLAGS_default)
setEnvVariable(env, 'CXXFLAGS')
setEnvVariable(env, 'CPPFLAGS')
setEnvVariable(env, 'LINKFLAGS', LINKFLAGS_required)

# if DESTDIR is not set...
if env.has_key('dest_dir'):
    print "This option is obsolete. Please use DESTDIR instead."
    env['DESTDIR'] = env['dest_dir']


#---------------------------------------------------------
# Frontend related variables (QTDIR etc)
#---------------------------------------------------------

if env.has_key('qt_dir') and env['qt_dir']:
    env['QTDIR'] = env['qt_dir']
elif os.path.isdir(os.environ.get('QTDIR', '/usr/lib/qt-3.3')):
    env['QTDIR'] = os.environ.get('QTDIR', '/usr/lib/qt-3.3')

# if there is a valid QTDIR, set path for lib and bin directories
if env.has_key('QTDIR'):
    # add path to the qt tools
    if os.path.isdir(os.path.join(env['QTDIR'], 'lib')):
        env.AppendUnique(LIBPATH = [os.path.join(env['QTDIR'], 'lib')])
    # set environment so that moc etc can be found even if its path is not set properly
    if os.path.isdir(os.path.join(env['QTDIR'], 'bin')):
        os.environ['PATH'] += os.pathsep + os.path.join(env['QTDIR'], 'bin')
        env.PrependENVPath('PATH', os.path.join(env['QTDIR'], 'bin'))

# allow qt2 frontend to locate qt3 libs.
frontend_lib = {'qt2':'qt3', 'qt3':'qt3', 'qt4':'qt4'}[frontend]
if env.has_key('qt_lib_path') and env['qt_lib_path']:
    qt_lib_path = env.subst('$qt_lib_path')
elif env.has_key('QTDIR') and os.path.isdir(os.path.join(env.subst('$QTDIR'), 'lib')):
    qt_lib_path = env.subst('$QTDIR/lib')
# this is the path for cygwin.
elif os.path.isdir(os.path.join('/usr/lib/', frontend_lib, 'lib')):
    qt_lib_path = '/usr/lib/%s/lib' % frontend_lib
else:
    print "Qt library directory is not found. Please specify it using qt_lib_path"
    Exit(1)
env.AppendUnique(LIBPATH = [qt_lib_path])
# qt4 seems to be using pkg_config
env.PrependENVPath('PKG_CONFIG_PATH', qt_lib_path)

if env.has_key('qt_inc_path') and env['qt_inc_path']:
    qt_inc_path = env['qt_inc_path']
elif env.has_key('QTDIR') and os.path.isdir(os.path.join(env.subst('$QTDIR'), 'include')):
    qt_inc_path = '$QTDIR/include'
# this is the path for cygwin.
elif os.path.isdir('/usr/include/' + frontend_lib):
    qt_inc_path = '/usr/include/' + frontend_lib
else:
    print "Qt include directory not found. Please specify it using qt_inc_path"
    Exit(1)
# Note that this CPPPATH is for testing only
# it will be removed before calling SConscript
env['CPPPATH'] = [qt_inc_path]

#
# extra_inc_path and extra_lib_path
#
extra_inc_paths = []
if env.has_key('extra_inc_path') and env['extra_inc_path']:
    extra_inc_paths.append(env['extra_inc_path'])
if env.has_key('extra_lib_path') and env['extra_lib_path']:
    env.AppendUnique(LIBPATH = [env['extra_lib_path']])
if env.has_key('extra_inc_path1') and env['extra_inc_path1']:
    extra_inc_paths.append(env['extra_inc_path1'])
if env.has_key('extra_lib_path1') and env['extra_lib_path1']:
    env.AppendUnique(LIBPATH = [env['extra_lib_path1']])
if env.has_key('extra_bin_path') and env['extra_bin_path']:
    # only the first one is needed (a scons bug?)
    os.environ['PATH'] += os.pathsep + env['extra_bin_path']
    env.PrependENVPath('PATH', env['extra_bin_path'])
# extra_inc_paths will be used later by intlenv etc
env.AppendUnique(CPPPATH = extra_inc_paths)


#----------------------------------------------------------
# Autoconf business
#----------------------------------------------------------

conf = Configure(env,
    custom_tests = {
        'CheckPkgConfig' : utils.checkPkgConfig,
        'CheckPackage' : utils.checkPackage,
        'CheckMkdirOneArg' : utils.checkMkdirOneArg,
        'CheckSelectArgType' : utils.checkSelectArgType,
        'CheckBoostLibraries' : utils.checkBoostLibraries,
        'CheckCommand' : utils.checkCommand,
        'CheckCXXGlobalCstd' : utils.checkCXXGlobalCstd,
        'CheckLC_MESSAGES' : utils.checkLC_MESSAGES,
        'CheckIconvConst' : utils.checkIconvConst,
    }
)

# pkg-config? (if not, we use hard-coded options)
if not fast_start:
    if conf.CheckPkgConfig('0.15.0'):
        env['HAS_PKG_CONFIG'] = True
    else:
        print 'pkg-config >= 0.1.50 is not found'
        env['HAS_PKG_CONFIG'] = False
    env_cache['HAS_PKG_CONFIG'] = env['HAS_PKG_CONFIG']
else:
    env['HAS_PKG_CONFIG'] = env_cache['HAS_PKG_CONFIG']

# zlib? This is required. (fast_start assumes the existance of zlib)
if not fast_start:
    if (not use_vc and not conf.CheckLibWithHeader('z', 'zlib.h', 'C')) \
        or (use_vc and not conf.CheckLibWithHeader('zdll', 'zlib.h', 'C')):
        print 'Did not find zdll.lib or zlib.h, exiting!'
        Exit(1)

# qt libraries?
if not fast_start:
    #
    # qt3 does not use pkg_config
    if frontend in ['qt2', 'qt3']:
        if not conf.CheckLibWithHeader('qt-mt', 'qapp.h', 'c++', 'QApplication qapp();'):
            print 'Did not find qt libraries, exiting!'
            Exit(1)
    elif frontend == 'qt4':
        succ = False
        # first: try pkg_config
        if env['HAS_PKG_CONFIG']:
            succ = conf.CheckPackage('QtCore') or conf.CheckPackage('QtCore4')
            # FIXME: use pkg_config information?
            #env['QT4_PKG_CONFIG'] = succ
        # second: try to link to it
        if not succ:
            # Under linux, I can test the following perfectly
            # Under windows, lib names need to passed as libXXX4.a ...
            succ = conf.CheckLibWithHeader('QtCore', 'QtGui/QApplication', 'c++', 'QApplication qapp();') or \
                conf.CheckLibWithHeader('QtCore4', 'QtGui/QApplication', 'c++', 'QApplication qapp();')
        # third: try to look up the path
        if not succ:
            succ = True
            for lib in ['QtCore', 'QtGui']:
                # windows version has something like QtGui4 ...
                if not (os.path.isfile(os.path.join(qt_lib_path, 'lib%s.a' % lib)) or \
                    os.path.isfile(os.path.join(qt_lib_path, 'lib%s4.a' % lib))):
                    succ = False
                    break
        # still can not find it
        if succ:
            print "Qt4 libraries are found."
        else:
            print 'Did not find qt libraries, exiting!'
            Exit(1)

# now, if msvc2005 is used, we will need that QT_LIB_PATH/QT_LIB.manifest file
if use_vc:
    if mode == 'debug':
        manifest = os.path.join(qt_lib_path, 'QtGuid4.dll.manifest')
    else:
        manifest = os.path.join(qt_lib_path, 'QtGui4.dll.manifest')
    if os.path.isfile(manifest):
        env['LINKCOM'] = [env['LINKCOM'], 'mt.exe /MANIFEST %s /outputresource:$TARGET;1' % manifest]

# check socket libs
if not fast_start:
    socket_libs = []
    if conf.CheckLib('socket'):
        socket_libs.append('socket')
    # nsl is the network services library and provides a
    # transport-level interface to networking services.
    if conf.CheckLib('nsl'):
        socket_libs.append('nsl')
    env_cache['SOCKET_LIBS'] = socket_libs
else:
    socket_libs = env_cache['SOCKET_LIBS']

# check available boost libs (since lyx1.4 does not use iostream)
boost_libs = []
for lib in ['signals', 'regex', 'filesystem', 'iostreams']:
    if os.path.isdir(os.path.join(top_src_dir, 'boost', 'libs', lib)):
        boost_libs.append(lib)

if not fast_start:
    # check boost libraries
    boost_opt = ARGUMENTS.get('boost', 'auto')
    # check for system boost
    lib_paths = env['LIBPATH'] + ['/usr/lib', '/usr/local/lib']
    inc_paths = env['CPPPATH'] + ['/usr/include', '/usr/local/include']
    # default to $BUILDDIR/libs (use None since this path will be added anyway)
    boost_libpath = None
    # here I assume that all libraries are in the same directory
    if boost_opt == 'included':
        boost_libraries = ['included_boost_%s' % x for x in boost_libs]
        included_boost = True
        env['BOOST_INC_PATH'] = '$TOP_SRCDIR/boost'
    elif boost_opt == 'auto':
        res = conf.CheckBoostLibraries(boost_libs, lib_paths, inc_paths, boost_version, mode == 'debug')
        # if not found, use local boost
        if res[0] is None:
            boost_libraries = ['included_boost_%s' % x for x in boost_libs]
            included_boost = True
            env['BOOST_INC_PATH'] = '$TOP_SRCDIR/boost'
        else:
            included_boost = False
            (boost_libraries, boost_libpath, env['BOOST_INC_PATH']) = res
    elif boost_opt == 'system':
        res = conf.CheckBoostLibraries(boost_libs, lib_paths, inc_paths, boost_version, mode == 'debug')
        if res[0] is None:
            print "Can not find system boost libraries with version %s " % boost_version
            print "Please supply a path through extra_lib_path and try again."
            print "Or use boost=included to use included boost libraries."
            Exit(2)
        else:
            included_boost = False
            (boost_libraries, boost_libpath, env['BOOST_INC_PATH']) = res
    env_cache['BOOST_LIBRARIES'] = boost_libraries
    env_cache['INCLUDED_BOOST'] = included_boost
    env_cache['BOOST_INC_PATH'] = env['BOOST_INC_PATH']
    env_cache['BOOST_LIBPATH'] = boost_libpath
else:
    boost_libraries = env_cache['BOOST_LIBRARIES']
    included_boost = env_cache['INCLUDED_BOOST']
    env['BOOST_INC_PATH'] = env_cache['BOOST_INC_PATH']
    boost_libpath = env_cache['BOOST_LIBPATH']

if boost_libpath is not None:
    env.AppendUnique(LIBPATH = [boost_libpath])


env['ENABLE_NLS'] = env['nls']

if not fast_start:
    if not env['ENABLE_NLS']:
        intl_libs = []
        included_gettext = False
    else:
        # check gettext libraries
        gettext_opt = ARGUMENTS.get('gettext', 'auto')
        # check for system gettext
        succ = False
        if gettext_opt in ['auto', 'system']:
            if conf.CheckLib('intl'):
                included_gettext = False
                intl_libs = ['intl']
                succ = True
            else: # no found
                if gettext_opt == 'system':
                    print "Can not find system gettext library"
                    print "Please supply a path through extra_lib_path and try again."
                    print "Or use gettext=included to use included gettext libraries."
                    Exit(2)
        # now, auto and succ = false, or gettext=included
        if not succ:
            # we do not need to set LIBPATH now.
            included_gettext = True
            intl_libs = ['included_intl']
    env_cache['INCLUDED_GETTEXT'] = included_gettext
    env_cache['INTL_LIBS'] = intl_libs
else:
    included_gettext = env_cache['INCLUDED_GETTEXT']
    intl_libs = env_cache['INTL_LIBS']

#
# check for msgfmt command
if not fast_start:
    env['MSGFMT'] = conf.CheckCommand('msgfmt')
    env_cache['MSGFMT'] = env['MSGFMT']
else:
    env['MSGFMT'] = env_cache['MSGFMT']

# check uic and moc commands for qt frontends
if not fast_start:
    if frontend[:2] == 'qt' and (conf.CheckCommand('uic') == None \
        or conf.CheckCommand('moc') == None):
        print 'uic or moc command is not found for frontend', frontend
        Exit(1)

#
# Customized builders
#
# install customized builders
env['BUILDERS']['substFile'] = Builder(action = utils.env_subst)


#----------------------------------------------------------
# Generating config.h
#----------------------------------------------------------
aspell_lib = 'aspell'
# assume that we use aspell, aspelld compiled for msvc
if platform_name == 'win32' and mode == 'debug' and use_vc:
    aspell_lib = 'aspelld'

# check the existence of config.h
config_h = os.path.join(env.Dir('$BUILDDIR/common').path, 'config.h')
boost_config_h = os.path.join(env.Dir('$BUILDDIR/boost').path, 'config.h')
if not fast_start or not os.path.isfile(boost_config_h) \
    or not os.path.isfile(config_h):
    #
    print "Creating %s..." % boost_config_h
    #
    utils.createConfigFile(conf,
        config_file = boost_config_h,
        config_pre = '''/* boost/config.h.  Generated by SCons.  */

/* -*- C++ -*- */
/*
* \file config.h
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* This is the compilation configuration file for LyX.
* It was generated by scon.
* You might want to change some of the defaults if something goes wrong
* during the compilation.
*/

#ifndef _BOOST_CONFIG_H
#define _BOOST_CONFIG_H
''',
        headers = [
            ('ostream', 'HAVE_OSTREAM', 'cxx'),
            ('locale', 'HAVE_LOCALE', 'cxx'),
            ('sstream', 'HAVE_SSTREAM', 'cxx'),
            #('newapis.h', 'HAVE_NEWAPIS_H', 'c'),
        ],
        custom_tests = [
            (env.has_key('assertions') and env['assertions'],
                'ENABLE_ASSERTIONS',
                'Define if you want assertions to be enabled in the code'
            ),
        ],
        config_post = '''

#if defined(HAVE_OSTREAM) && defined(HAVE_LOCALE) && defined(HAVE_SSTREAM)
#  define USE_BOOST_FORMAT 1
#else
#  define USE_BOOST_FORMAT 0
#endif

#if !defined(ENABLE_ASSERTIONS)
#  define BOOST_DISABLE_ASSERTS 1
#endif
#define BOOST_ENABLE_ASSERT_HANDLER 1

#define BOOST_DISABLE_THREADS 1
#define BOOST_NO_WREGEX 1
#define BOOST_NO_WSTRING 1

#ifdef __CYGWIN__
#  define BOOST_POSIX 1
#endif

#define BOOST_ALL_NO_LIB 1

#if defined(HAVE_NEWAPIS_H)
#  define WANT_GETFILEATTRIBUTESEX_WRAPPER 1
#endif

#endif
'''
    )
    #
    print "\nGenerating %s..." % config_h

    # AIKSAURUS_H_LOCATION
    if (conf.CheckCXXHeader("Aiksaurus.h")):
        aik_location = '<Aiksaurus.h>'
    elif (conf.CheckCXXHeader("Aiksaurus/Aiksaurus.h")):
        aik_location = '<Aiksaurus/Aiksaurus.h>'
    else:
        aik_location = ''

    # determine headers to use
    spell_opt = ARGUMENTS.get('spell', 'auto')
    env['USE_ASPELL'] = False
    env['USE_PSPELL'] = False
    env['USE_ISPELL'] = False
    if spell_opt in ['auto', 'aspell'] and conf.CheckLib(aspell_lib):
        spell_engine = 'USE_ASPELL'
    elif spell_opt in ['auto', 'pspell'] and conf.CheckLib('pspell'):
        spell_engine = 'USE_PSPELL'
    elif spell_opt in ['auto', 'ispell'] and conf.CheckLib('ispell'):
        spell_engine = 'USE_ISPELL'
    else:
        spell_engine = None

    if spell_engine is not None:
        env[spell_engine] = True
    else:
        if spell_opt == 'auto':
            print "Warning: Can not locate any spell checker"
        elif spell_opt != 'no':
            print "Warning: Can not locate specified spell checker:", spell_opt
            Exit(1)

    # check arg types of select function
    (select_arg1, select_arg234, select_arg5) = conf.CheckSelectArgType()

    #
    # create config.h
    result = utils.createConfigFile(conf,
        config_file = config_h,
        config_pre = '''/* config.h.  Generated by SCons.  */

/* -*- C++ -*- */
/*
* \file config.h
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* This is the compilation configuration file for LyX.
* It was generated by scon.
* You might want to change some of the defaults if something goes wrong
* during the compilation.
*/

#ifndef _CONFIG_H
#define _CONFIG_H
''',
        headers = [
            ('io.h', 'HAVE_IO_H', 'c'),
            ('limits.h', 'HAVE_LIMITS_H', 'c'),
            ('locale.h', 'HAVE_LOCALE_H', 'c'),
            ('process.h', 'HAVE_PROCESS_H', 'c'),
            ('stdlib.h', 'HAVE_STDLIB_H', 'c'),
            ('sys/stat.h', 'HAVE_SYS_STAT_H', 'c'),
            ('sys/time.h', 'HAVE_SYS_TIME_H', 'c'),
            ('sys/types.h', 'HAVE_SYS_TYPES_H', 'c'),
            ('sys/utime.h', 'HAVE_SYS_UTIME_H', 'c'),
            ('sys/socket.h', 'HAVE_SYS_SOCKET_H', 'c'),
            ('unistd.h', 'HAVE_UNISTD_H', 'c'),
            ('utime.h', 'HAVE_UTIME_H', 'c'),
            ('direct.h', 'HAVE_DIRECT_H', 'c'),
            ('istream', 'HAVE_ISTREAM', 'cxx'),
            ('ios', 'HAVE_IOS', 'cxx'),
        ],
        functions = [
            ('open', 'HAVE_OPEN', None),
            ('close', 'HAVE_CLOSE', None),
            ('popen', 'HAVE_POPEN', None),
            ('pclose', 'HAVE_PCLOSE', None),
            ('_open', 'HAVE__OPEN', None),
            ('_close', 'HAVE__CLOSE', None),
            ('_popen', 'HAVE__POPEN', None),
            ('_pclose', 'HAVE__PCLOSE', None),
            ('getpid', 'HAVE_GETPID', None),
            ('_getpid', 'HAVE__GETPID', None),
            ('mkdir', 'HAVE_MKDIR', None),
            ('_mkdir', 'HAVE__MKDIR', None),
            ('mktemp', 'HAVE_MKTEMP', None),
            ('mkstemp', 'HAVE_MKSTEMP', None),
            ('strerror', 'HAVE_STRERROR', None),
            ('count', 'HAVE_STD_COUNT', '''
#include <algorithm>
int count()
{
    char a[] = "hello";
    return std::count(a, a+5, 'l');
}
'''),
            ('getcwd', 'HAVE_GETCWD', None),
            ('setenv', 'HAVE_SETENV', None),
            ('putenv', 'HAVE_PUTENV', None),
            ('fcntl', 'HAVE_FCNTL', None),
        ],
        types = [
            ('std::istreambuf_iterator<std::istream>', 'HAVE_DECL_ISTREAMBUF_ITERATOR',
                '#include <streambuf>\n#include <istream>')
        ],
        libs = [
            ('gdi32', 'HAVE_LIBGDI32'),
            (('iconv', 'libiconv'), 'HAVE_ICONV', 'ICONV_LIB'),
            (('Aiksaurus', 'libAiksaurus'), 'HAVE_LIBAIKSAURUS', 'AIKSAURUS_LIB'),
        ],
        custom_tests = [
            (conf.CheckType('pid_t', includes='#include <sys/types.h>'),
                'HAVE_PID_T',
                'Define is sys/types.h does not have pid_t',
                '',
                '#define pid_t int',
            ),
            (conf.CheckCXXGlobalCstd(),
                'CXX_GLOBAL_CSTD',
                'Define if your C++ compiler puts C library functions in the global namespace'
            ),
            (conf.CheckMkdirOneArg(),
                'MKDIR_TAKES_ONE_ARG',
                'Define if mkdir takes only one argument.'
            ),
            (conf.CheckLC_MESSAGES(),
                'HAVE_LC_MESSAGES',
                'Define if your <locale.h> file defines LC_MESSAGES.'
            ),
            (devel_version, 'DEVEL_VERSION', 'Whether or not a development version'),
            (env['nls'],
                'ENABLE_NLS',
                "Define to 1 if translation of program messages to the user's native anguage is requested.",
            ),
            (env['nls'] and not included_gettext,
                'HAVE_GETTEXT',
                'Define to 1 if using system gettext library'
            ),
            (env.has_key('warnings') and env['warnings'],
                'WITH_WARNINGS',
                'Define this if you want to see the warning directives put here and there by the developpers to get attention'
            ),
            (env.has_key('concept_checks') and env['concept_checks'],
                '_GLIBCXX_CONCEPT_CHECKS',
                'libstdc++ concept checking'
            ),
            (env.has_key('stdlib_debug') and env['stdlib_debug'],
                '_GLIBCXX_DEBUG',
                'libstdc++ debug mode'
            ),
            (env.has_key('stdlib_debug') and env['stdlib_debug'],
                '_GLIBCXX_DEBUG_PEDANTIC',
                'libstdc++ pedantic debug mode'
            ),
            (os.name != 'nt', 'BOOST_POSIX',
                'Indicates to boost which API to use (posix or windows).'
            ),
            (spell_engine is not None, spell_engine,
                'Spell engine to use'
            ),
        ],
        extra_items = [
            ('#define PACKAGE "%s%s"' % (package, program_suffix),
                'Name of package'),
            ('#define PACKAGE_BUGREPORT "%s"' % package_bugreport,
                'Define to the address where bug reports for this package should be sent.'),
            ('#define PACKAGE_NAME "%s"' % package_name,
                'Define to the full name of this package.'),
            ('#define PACKAGE_STRING "%s"' % package_string,
                'Define to the full name and version of this package.'),
            ('#define PACKAGE_TARNAME "%s"' % package_tarname,
                'Define to the one symbol short name of this package.'),
            ('#define PACKAGE_VERSION "%s"' % package_version,
                'Define to the version of this package.'),
            ('#define BOOST_ALL_NO_LIB 1',
                'disable automatic linking of boost libraries.'),
            ('#define USE_%s_PACKAGING 1' % packaging_method.upper(),
                'Packaging method'),
            ('#define AIKSAURUS_H_LOCATION ' + aik_location,
                'Aiksaurus include file'),
            ('#define SELECT_TYPE_ARG1 %s' % select_arg1,
                "Define to the type of arg 1 for `select'."),
            ('#define SELECT_TYPE_ARG234 %s' % select_arg234,
                "Define to the type of arg 2, 3, 4 for `select'."),
            ('#define SELECT_TYPE_ARG5 %s' % select_arg5,
                "Define to the type of arg 5 for `select'."),
        ],
        config_post = '''/************************************************************
** You should not need to change anything beyond this point */

#ifndef HAVE_STRERROR
#if defined(__cplusplus)
extern "C"
#endif
char * strerror(int n);
#endif

#ifdef HAVE_MKSTEMP
#ifndef HAVE_DECL_MKSTEMP
#if defined(__cplusplus)
extern "C"
#endif
int mkstemp(char*);
#endif
#endif

#include <../boost/config.h>

#endif
'''
    )

    # these keys are needed in env
    for key in ['USE_ASPELL', 'USE_PSPELL', 'USE_ISPELL', 'HAVE_FCNTL',\
        'HAVE_ICONV', 'HAVE_LIBGDI32', 'HAVE_LIBAIKSAURUS',
        'ICONV_LIB', 'AIKSAURUS_LIB']:
        # USE_ASPELL etc does not go through result
        if result.has_key(key):
            env[key] = result[key]
        env_cache[key] = env[key]

    #
    # if nls=yes and gettext=included, create intl/config.h
    # intl/libintl.h etc
    #
    intl_config_h = os.path.join(env.Dir('$BUILDDIR/intl').path, 'config.h')
    if env['nls'] and included_gettext:
        #
        print "Creating %s..." % intl_config_h
        #
        # create intl/config.h
        result = utils.createConfigFile(conf,
            config_file = intl_config_h,
            config_pre = '''/* intl/config.h.  Generated by SCons.  */

/* -*- C++ -*- */
/*
* \file config.h
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* This is the compilation configuration file for LyX.
* It was generated by scon.
* You might want to change some of the defaults if something goes wrong
* during the compilation.
*/

#ifndef _CONFIG_H
#define _CONFIG_H
''',
            headers = [
                ('unistd.h', 'HAVE_UNISTD_H', 'c'),
                ('inttypes.h', 'HAVE_INTTYPES_H', 'c'),
                ('string.h', 'HAVE_STRING_H', 'c'),
                ('strings.h', 'HAVE_STRINGS_H', 'c'),
                ('argz.h', 'HAVE_ARGZ_H', 'c'),
                ('limits.h', 'HAVE_LIMITS_H', 'c'),
                ('alloca.h', 'HAVE_ALLOCA_H', 'c'),
                ('stddef.h', 'HAVE_STDDEF_H', 'c'),
                ('stdint.h', 'HAVE_STDINT_H', 'c'),
                ('sys/param.h', 'HAVE_SYS_PARAM_H', 'c'),
            ],
            functions = [
                ('getcwd', 'HAVE_GETCWD', None),
                ('stpcpy', 'HAVE_STPCPY', None),
                ('strcasecmp', 'HAVE_STRCASECMP', None),
                ('strdup', 'HAVE_STRDUP', None),
                ('strtoul', 'HAVE_STRTOUL', None),
                ('alloca', 'HAVE_ALLOCA', None),
                ('__fsetlocking', 'HAVE___FSETLOCKING', None),
                ('mempcpy', 'HAVE_MEMPCPY', None),
                ('__argz_count', 'HAVE___ARGZ_COUNT', None),
                ('__argz_next', 'HAVE___ARGZ_NEXT', None),
                ('__argz_stringify', 'HAVE___ARGZ_STRINGIFY', None),
                ('setlocale', 'HAVE_SETLOCALE', None),
                ('tsearch', 'HAVE_TSEARCH', None),
                ('getegid', 'HAVE_GETEGID', None),
                ('getgid', 'HAVE_GETGID', None),
                ('getuid', 'HAVE_GETUID', None),
                ('wcslen', 'HAVE_WCSLEN', None),
                ('asprintf', 'HAVE_ASPRINTF', None),
                ('wprintf', 'HAVE_WPRINTF', None),
                ('snprintf', 'HAVE_SNPRINTF', None),
                ('printf', 'HAVE_POSIX_PRINTF', None),
                ('fcntl', 'HAVE_FCNTL', None),
            ],
            types = [
                ('intmax_t', 'HAVE_INTMAX_T', None),
                ('long double', 'HAVE_LONG_DOUBLE', None),
                ('long long', 'HAVE_LONG_LONG', None),
                ('wchar_t', 'HAVE_WCHAR_T', None),
                ('wint_t', 'HAVE_WINT_T', None),
                ('uintmax_t', 'HAVE_INTTYPES_H_WITH_UINTMAX', '#include <inttypes.h>'),
                ('uintmax_t', 'HAVE_STDINT_H_WITH_UINTMAX', '#include <stdint.h>'),
            ],
            libs = [
                (('iconv', 'libiconv'), 'HAVE_ICONV', 'ICONV_LIB'),
                ('c', 'HAVE_LIBC'),
            ],
            custom_tests = [
                (conf.CheckLC_MESSAGES(),
                    'HAVE_LC_MESSAGES',
                    'Define if your <locale.h> file defines LC_MESSAGES.'
                ),
                (conf.CheckIconvConst(),
                    'ICONV_CONST',
                    'Define as const if the declaration of iconv() needs const.',
                    '#define ICONV_CONST',
                    '#define ICONV_CONST const',
                ),
                (conf.CheckType('intmax_t', includes='#include <stdint.h>') or \
                conf.CheckType('intmax_t', includes='#include <inttypes.h>'),
                    'HAVE_INTMAX_T',
                    "Define to 1 if you have the `intmax_t' type."
                ),
                (env.has_key('nls') and env['nls'],
                    'ENABLE_NLS',
                    "Define to 1 if translation of program messages to the user's native anguage is requested.",
                ),
            ],
            config_post = '#endif'
        )

        # these keys are needed in env
        for key in ['HAVE_ASPRINTF', 'HAVE_WPRINTF', 'HAVE_SNPRINTF', \
            'HAVE_POSIX_PRINTF', 'HAVE_ICONV', 'HAVE_LIBC']:
            # USE_ASPELL etc does not go through result
            if result.has_key(key):
                env[key] = result[key]
            env_cache[key] = env[key]

else:
    #
    # this comes as a big surprise, without this line
    # (doing nothing obvious), adding fast_start=yes
    # to a build with fast_start=no will result in a rebuild
    # Note that the exact header file to check does not matter
    conf.CheckCHeader('io.h')
    # only a few variables need to be rescanned
    for key in ['USE_ASPELL', 'USE_PSPELL', 'USE_ISPELL', 'HAVE_FCNTL',\
        'HAVE_ICONV', 'HAVE_LIBGDI32', 'HAVE_LIBAIKSAURUS',
        'ICONV_LIB', 'AIKSAURUS_LIB']:
        env[key] = env_cache[key]
    #
    # nls related keys
    if env['nls'] and included_gettext:
        # only a few variables need to be rescanned
        for key in ['HAVE_ASPRINTF', 'HAVE_WPRINTF', 'HAVE_SNPRINTF', \
            'HAVE_POSIX_PRINTF', 'HAVE_ICONV', 'HAVE_LIBC']:
            env[key] = env_cache[key]

# this looks misplaced, but intl/libintl.h is needed by src/message.C
if env['nls'] and included_gettext:
    # libgnuintl.h.in => libintl.h
    env.substFile('$BUILDDIR/intl/libintl.h', '$TOP_SRCDIR/intl/libgnuintl.h.in')
    env.Command('$BUILDDIR/intl/libgnuintl.h', '$BUILDDIR/intl/libintl.h',
        [Copy('$TARGET', '$SOURCE')])

#
# Finish auto-configuration
env = conf.Finish()

#----------------------------------------------------------
# Now set up our build process accordingly
#----------------------------------------------------------

#
# QT_LIB
#
# NOTE: Tool('qt') or Tool('qt4') will be loaded later
# in their respective directory and specialized env.
if frontend in ['qt2', 'qt3']:
    # note: env.Tool('qt') my set QT_LIB to qt
    qt_libs = ['qt-mt']
    frontend_libs = ['qt-mt']
elif frontend == 'qt4':
    qt_libs = ['QtCore', 'QtGui']
    # set the right lib names
    if platform_name == 'win32':
        if mode == 'debug' and use_vc:
            qt_lib_suffix = 'd4'
        else:
            qt_lib_suffix = '4'
    else:
        if mode == 'debug':
            qt_lib_suffix = '_debug'
        else:
            qt_lib_suffix = ''
    frontend_libs = [x + qt_lib_suffix for x in qt_libs]


if platform_name in ['win32', 'cygwin']:
    # the final link step needs stdc++ to succeed under mingw
    # FIXME: shouldn't g++ automatically link to stdc++?
    if use_vc:
        system_libs = ['shlwapi', 'shell32', 'advapi32', 'zdll']
    else:
        system_libs = ['shlwapi', 'stdc++', 'z']
elif platform_name == 'cygwin' and env['X11']:
    system_libs = ['GL',  'Xmu', 'Xi', 'Xrender', 'Xrandr', 'Xcursor',
        'Xft', 'freetype', 'fontconfig', 'Xext', 'X11', 'SM', 'ICE', 'resolv',
        'pthread', 'z']
else:
    system_libs = ['z']

libs = [
    ('HAVE_ICONV', env['ICONV_LIB']),
    ('HAVE_LIBGDI32', 'gdi32'),
    ('HAVE_LIBAIKSAURUS', env['AIKSAURUS_LIB']),
    ('USE_ASPELL', aspell_lib),
    ('USE_ISPELL', 'ispell'),
    ('USE_PSPELL', 'pspell'),
]

for lib in libs:
    if env[lib[0]]:
        system_libs.append(lib[1])

#
# Build parameters CPPPATH etc
#
if env['X11']:
    env.AppendUnique(LIBPATH = ['/usr/X11R6/lib'])

#
# boost: for boost header files
# BUILDDIR/common: for config.h
# TOP_SRCDIR/src: for support/* etc
#
env['CPPPATH'] += ['$BUILDDIR/common', '$TOP_SRCDIR/src']
#
# Separating boost directories from CPPPATH stops scons from building
# the dependency tree for boost header files, and effectively reduce
# the null build time of lyx from 29s to 16s. Since lyx may tweak local
# boost headers, this is only done for system boost headers.
if included_boost:
    env.AppendUnique(CPPPATH = ['$BOOST_INC_PATH'])
else:
    if use_vc:
        env.PrependUnique(CCFLAGS = ['/I$BOOST_INC_PATH'])
    else:
        env.PrependUnique(CCFLAGS = ['-I$BOOST_INC_PATH'])

# for intl/config.h, intl/libintl.h and intl/libgnuintl.h
if env['nls'] and included_gettext:
    env['CPPPATH'].append('$BUILDDIR/intl')
#
# QT_INC_PATH is not needed for *every* source file
env['CPPPATH'].remove(qt_inc_path)

#
# A Link script for cygwin see
# http://www.cygwin.com/ml/cygwin/2004-09/msg01101.html
# http://www.cygwin.com/ml/cygwin-apps/2004-09/msg00309.html
# for details
#
if platform_name == 'cygwin':
    ld_script_path = '/usr/lib/qt3/mkspecs/cygwin-g++'
    ld_script = utils.installCygwinLDScript(ld_script_path)
    env.AppendUnique(LINKFLAGS = ['-Wl,--enable-runtime-pseudo-reloc',
        '-Wl,--script,%s' % ld_script, '-Wl,-s'])

#
# Report results
#
# fill in the version info
env['VERSION_INFO'] = '''Configuration
  Host type:                      %s
  Special build flags:            %s
  C   Compiler:                   %s
  C   Compiler flags:             %s %s
  C++ Compiler:                   %s
  C++ Compiler LyX flags:         %s
  C++ Compiler flags:             %s %s
  Linker flags:                   %s
  Linker user flags:              %s
Build info:
  Builing directory:              %s
  Local library directory:        %s
  Libraries paths:                %s
  Boost libraries:                %s
  Frontend libraries:             %s
  System libraries:               %s
  include search path:            %s
Frontend:
  Frontend:                       %s
  Packaging:                      %s
  LyX dir:                        %s
  LyX files dir:                  %s
''' % (platform_name,
    env.subst('$CCFLAGS'), env.subst('$CC'),
    env.subst('$CPPFLAGS'), env.subst('$CFLAGS'),
    env.subst('$CXX'), env.subst('$CXXFLAGS'),
    env.subst('$CPPFLAGS'), env.subst('$CXXFLAGS'),
    env.subst('$LINKFLAGS'), env.subst('$LINKFLAGS'),
    env.subst('$BUILDDIR'), env.subst('$LOCALLIBPATH'),
    str(env['LIBPATH']), str(boost_libraries),
    str(frontend_libs), str(system_libs), str(env['CPPPATH']),
    frontend, packaging_method,
    prefix, env['LYX_DIR'])

if frontend in ['qt2', 'qt3', 'qt4']:
    env['VERSION_INFO'] += '''  include dir:                    %s
  library dir:                    %s
  X11:                            %s
''' % (qt_inc_path, qt_lib_path, env['X11'])

if not fast_start:
    print env['VERSION_INFO']

#
# Mingw command line may be too short for our link usage,
# Here we use a trick from scons wiki
# http://www.scons.org/cgi-sys/cgiwrap/scons/moin.cgi/LongCmdLinesOnWin32
#
# I also would like to add logging (commands only) capacity to the
# spawn system.
logfile = env.get('logfile', default_log_file)
if logfile != '' or platform_name == 'win32':
    import time
    utils.setLoggedSpawn(env, logfile, longarg = (platform_name == 'win32'),
        info = '''# This is a log of commands used by scons to build lyx
# Time: %s
# Command: %s
# Info: %s
''' % (time.asctime(), ' '.join(sys.argv),
    env['VERSION_INFO'].replace('\n','\n# ')) )


# Cleanup stuff
#
# -h will print out help info
Help(opts.GenerateHelpText(env))

# save environment settings (for fast_start option)
cache_file = open(env_cache_file, 'w')
cPickle.dump(env_cache, cache_file)
cache_file.close()


#----------------------------------------------------------
# Start building
#----------------------------------------------------------
# this has been the source of problems on some platforms...
# I find that I need to supply it with full path name
env.SConsignFile(os.path.join(Dir(env['BUILDDIR']).abspath, '.sconsign'))
# this usage needs further investigation.
#env.CacheDir('%s/Cache/%s' % (env['BUILDDIR'], frontend))

print "Building all targets recursively"

if env.has_key('rebuild'):
    rebuild_targets = env['rebuild'].split(',')
else:
    rebuild_targets = None

def libExists(libname):
    ''' Check whether or not lib $LOCALLIBNAME/libname already exists'''
    return os.path.isfile(File(env.subst('$LOCALLIBPATH/${LIBPREFIX}%s$LIBSUFFIX'%libname)).abspath)

targets = BUILD_TARGETS
# msvc need to pass full target name, so I have to look for path/lyx etc
build_lyx = targets == [] or True in ['lyx' in x for x in targets] \
    or 'install' in targets or 'all' in targets
build_boost = (included_boost and not libExists('boost_regex')) or 'boost' in targets
build_intl = (included_gettext and not libExists('included_intl')) or 'intl' in targets
build_support = build_lyx or True in [x in targets for x in ['support', 'client', 'tex2lyx']]
build_mathed = build_lyx or 'mathed' in targets
build_insets = build_lyx or 'insets' in targets
build_frontends = build_lyx or 'frontends' in targets
build_graphics = build_lyx or 'graphics' in targets
build_controllers = build_lyx or 'controllers' in targets
build_client = True in ['client' in x for x in targets] \
    or 'install' in targets or 'all' in targets
build_tex2lyx = True in ['tex2lyx' in x for x in targets] \
    or 'install' in targets or 'all' in targets
build_lyxbase = build_lyx or 'lyxbase' in targets
build_po = 'po' in targets or 'install' in targets or 'all' in targets
build_qt2 = (build_lyx and frontend == 'qt2') or 'qt2' in targets
build_qt3 = (build_lyx and frontend == 'qt3') or 'qt3' in targets
build_qt4 = (build_lyx and frontend == 'qt4') or 'qt4' in targets
build_msvs_projects = use_vc and 'msvs_projects' in targets


# now, if rebuild_targets is specified, do not rebuild some targets
rebuild_targets = rebuild_targets
if rebuild_targets:
    def ifBuildLib(name, libname, old_value):
        # explicitly asked to rebuild
        if name in rebuild_targets:
            return True
        # else if not rebuild, and if the library already exists
        elif libExists(libname):
            return False
        # do not change the original value
        else:
            return old_value
    build_boost = ifBuildLib('boost', 'included_boost_filesystem', build_boost)
    build_intl = ifBuildLib('intl', 'included_intl', build_intl)
    build_support = ifBuildLib('support', 'support', build_support)
    build_mathed = ifBuildLib('mathed', 'mathed', build_mathed)
    build_insets = ifBuildLib('insets', 'insets', build_insets)
    build_frontends = ifBuildLib('frontends', 'frontends', build_frontends)
    build_graphics = ifBuildLib('graphics', 'graphics', build_graphics)
    build_controllers = ifBuildLib('controllers', 'controllers', build_controllers)
    build_lyxbase = ifBuildLib('lyxbase', 'lyxbase_pre', build_lyxbase)
    build_qt2 = ifBuildLib('qt2', 'qt2', build_qt2)
    build_qt3 = ifBuildLib('qt3', 'qt3', build_qt3)
    build_qt4 = ifBuildLib('qt4', 'qt4', build_qt4)

# sync frontend and frontend (maybe build qt4 with frontend=qt3)
if build_qt2:
    frontend = 'qt2'
elif build_qt3:
    frontend = 'qt3'
elif build_qt4:
    frontend = 'qt4'


if build_boost:
    #
    # boost libraries
    #
    # special builddir
    env.BuildDir('$BUILDDIR/boost', '$TOP_SRCDIR/boost/libs', duplicate = 0)

    boostenv = env.Copy()
    #
    # boost use its own config.h
    boostenv['CPPPATH'] = ['$TOP_SRCDIR/boost', '$BUILDDIR/boost'] + extra_inc_paths
    boostenv.AppendUnique(CCFLAGS = ['-DBOOST_USER_CONFIG="<config.h>"'])

    for lib in boost_libs:
        print 'Processing files in boost/libs/%s/src...' % lib
        boostlib = boostenv.StaticLibrary(
            target = '$LOCALLIBPATH/included_boost_%s' % lib,
            source = utils.globSource(dir = env.subst('$TOP_SRCDIR/boost/libs/%s/src' % lib),
                pattern = '*.cpp', build_dir = '$BUILDDIR/boost/%s/src' % lib)
        )
        Alias('boost', boostlib)


if build_intl:
    #
    # intl
    #
    intlenv = env.Copy()

    print "Processing files in intl..."

    env.BuildDir('$BUILDDIR/intl', '$TOP_SRCDIR/intl', duplicate = 0)

    # we need the original C compiler for these files
    intlenv['CC'] = C_COMPILER
    intlenv['CCFLAGS'] = C_CCFLAGS
    if use_vc:
        intlenv.Append(CCFLAGS=['/Dinline#', '/D__attribute__(x)#', '/Duintmax_t=UINT_MAX'])
    # intl does not use global config.h
    intlenv['CPPPATH'] = ['$BUILDDIR/intl'] + extra_inc_paths

    intlenv.Append(CCFLAGS = [
        r'-DLOCALEDIR=\"' + env['LOCALEDIR'].replace('\\', '\\\\') + r'\"',
        r'-DLOCALE_ALIAS_PATH=\"' + env['LOCALEDIR'].replace('\\', '\\\\') + r'\"',
        r'-DLIBDIR=\"' + env['TOP_SRCDIR'].replace('\\', '\\\\') + r'/lib\"',
        '-DIN_LIBINTL',
        '-DENABLE_RELOCATABLE=1',
        '-DIN_LIBRARY',
        r'-DINSTALLDIR=\"' + prefix.replace('\\', '\\\\') + r'/lib\"',
        '-DNO_XMALLOC',
        '-Dset_relocation_prefix=libintl_set_relocation_prefix',
        '-Drelocate=libintl_relocate',
        '-DDEPENDS_ON_LIBICONV=1',
        '-DHAVE_CONFIG_H'
        ]
    )

    intl = intlenv.StaticLibrary(
        target = '$LOCALLIBPATH/included_intl',
        LIBS = ['c'],
        source = utils.globSource(dir = env.subst('$TOP_SRCDIR/intl'), pattern = '*.c',
            exclude = ['vasnprintf.c', 'printf-parse.c', 'printf-args.c', 'os2compat.c'],
            build_dir = '$BUILDDIR/intl')
    )
    Alias('intl', intl)


#
# Now, src code under src/
#
env.BuildDir('$BUILDDIR/common', '$TOP_SRCDIR/src', duplicate = 0)


if build_support:
    #
    # src/support
    #
    print "Processing files in src/support..."

    env.substFile('$BUILDDIR/common/support/package.C', '$TOP_SRCDIR/src/support/package.C.in')

    support = env.StaticLibrary(
        target = '$LOCALLIBPATH/support',
        source = utils.globSource(dir = env.subst('$TOP_SRCDIR/src/support'), pattern = lyx_ext,
            exclude = ['os_win32.C', 'os_unix.C', 'os_cygwin.C', 'os_os2.C', 'atexit.c'],
            include = ['package.C'], build_dir = '$BUILDDIR/common/support')
    )
    Alias('support', support)


if build_mathed:
    #
    # src/mathed
    #
    print "Processing files in src/mathed..."
    #
    mathed = env.StaticLibrary(
        target = '$LOCALLIBPATH/mathed',
        source = utils.globSource(dir = env.subst('$TOP_SRCDIR/src/mathed'),
            pattern = lyx_ext,
            exclude = ['math_xyarrowinset.C', 'math_mboxinset.C', 'formulamacro.C'],
            build_dir = '$BUILDDIR/common/mathed')
    )
    Alias('mathed', mathed)


if build_insets:
    #
    # src/insets
    #
    print "Processing files in src/insets..."
    #
    insets = env.StaticLibrary(
        target = '$LOCALLIBPATH/insets',
        source = utils.globSource(dir = env.subst('$TOP_SRCDIR/src/insets'),
            pattern = lyx_ext,
            exclude = ['insettheorem.C'], build_dir = '$BUILDDIR/common/insets')
    )
    Alias('insets', insets)


if build_frontends:
    #
    # src/frontends
    #
    print "Processing files in src/frontends..."

    frontends = env.StaticLibrary(
        target = '$LOCALLIBPATH/frontends',
        source = utils.globSource(dir = env.subst('$TOP_SRCDIR/src/frontends'), pattern = lyx_ext,
            build_dir = '$BUILDDIR/common/frontends')
    )
    Alias('frontends', frontends)


if build_graphics:
    #
    # src/graphics
    #
    print "Processing files in src/graphics..."

    graphics = env.StaticLibrary(
        target = '$LOCALLIBPATH/graphics',
        source = utils.globSource(dir = env.subst('$TOP_SRCDIR/src/graphics'), pattern = lyx_ext,
            build_dir = '$BUILDDIR/common/graphics')
    )
    Alias('graphics', graphics)


if build_controllers:
    #
    # src/frontends/controllers
    #
    print "Processing files in src/frontends/controllers..."

    controllers = env.StaticLibrary(
        target = '$LOCALLIBPATH/controllers',
        source = utils.globSource(dir = env.subst('$TOP_SRCDIR/src/frontends/controllers'), pattern = lyx_ext,
            build_dir = '$BUILDDIR/common/frontends/controllers')
    )
    Alias('controllers', controllers)


#
# src/frontend/qt2/3/4
#
if build_qt2 or build_qt3 or build_qt4:
    env.BuildDir('$BUILDDIR/$frontend', '$TOP_SRCDIR/src/frontend/$frontend', duplicate = 0)


if build_qt2:
    print "Processing files in src/frontends/qt2..."

    qt2env = env.Copy()
    # disable auto scan to speed up non build time
    qt2env['QT_AUTOSCAN'] = 0
    qt2env['QT_MOCHPREFIX'] = ''

    # load qt2 tools
    qt2env.Tool('qt')

    qt2env.AppendUnique(CPPPATH = [
        '$BUILDDIR/common',
        '$BUILDDIR/common/images',
        '$BUILDDIR/common/frontends',
        '$BUILDDIR/common/frontends/qt2',
        '$BUILDDIR/common/frontends/controllers',
        qt_inc_path]
    )

    qt2_moc_files = ["$BUILDDIR/common/frontends/qt2/%s" % x for x in Split('''
        BulletsModule.C
        emptytable.C
        FileDialog_private.C
        floatplacement.C
        iconpalette.C
        lengthcombo.C
        panelstack.C
        QAboutDialog.C
        QBibitemDialog.C
        QBibtexDialog.C
        QBoxDialog.C
        QBranchDialog.C
        QBrowseBox.C
        QChangesDialog.C
        QCharacterDialog.C
        QCitationDialog.C
        QCommandBuffer.C
        QCommandEdit.C
        QContentPane.C
        QDelimiterDialog.C
        QDocumentDialog.C
        QErrorListDialog.C
        QERTDialog.C
        QExternalDialog.C
        QFloatDialog.C
        QGraphicsDialog.C
        QIncludeDialog.C
        QIndexDialog.C
        QLogDialog.C
        QLPopupMenu.C
        QLPrintDialog.C
        QMathDialog.C
        QMathMatrixDialog.C
        QNoteDialog.C
        QParagraphDialog.C
        QPrefsDialog.C
        QRefDialog.C
        QSearchDialog.C
        QSendtoDialog.C
        qsetborder.C
        QShowFileDialog.C
        QSpellcheckerDialog.C
        QDialogView.C
        QTabularCreateDialog.C
        QTabularDialog.C
        QTexinfoDialog.C
        QThesaurusDialog.C
        QTocDialog.C
        qttableview.C
        QtView.C
        QURLDialog.C
        QVSpaceDialog.C
        QWrapDialog.C
        QLToolbar.C
        socket_callback.C
        validators.C
    ''')]

    # manually moc and uic files for better performance
    qt2_moced_files = [qt2env.Moc(x.replace('.C', '_moc.cpp'), x.replace('.C', '.h')) for x in qt2_moc_files]

    qt2_uiced_files = [qt2env.Uic('$BUILDDIR/common/frontends/qt2/ui/'+x) for x in \
        utils.globSource(dir = env.subst('$TOP_SRCDIR/src/frontends/qt2/ui'), pattern = '*.ui')]

    qt2_uiced_cc_files = []
    for x in qt2_uiced_files:
        qt2_uiced_cc_files.extend(x[1:])

    qt2 = qt2env.StaticLibrary(
        target = '$LOCALLIBPATH/qt2',
        source = utils.globSource(dir = env.subst('$TOP_SRCDIR/src/frontends/qt2/'), pattern = lyx_ext,
            build_dir = '$BUILDDIR/common/frontends/qt2') + qt2_moced_files + qt2_uiced_cc_files
    )
    Alias('qt2', qt2)


if build_qt3:
    print "Processing files in src/frontends/qt3..."

    qt3env = env.Copy()
    # disable auto scan to speed up non build time
    qt3env['QT_AUTOSCAN'] = 0
    qt3env['QT_MOCHPREFIX'] = ''

    # load qt3 tools
    qt3env.Tool('qt')

    qt3env.AppendUnique(CPPPATH = [
        '$BUILDDIR/common',
        '$BUILDDIR/common/images',
        '$BUILDDIR/common/frontends',
        '$BUILDDIR/common/frontends/qt3',
        '$BUILDDIR/common/frontends/controllers',
        qt_inc_path]
    )

    qt3_moc_files = ["$BUILDDIR/common/frontends/qt3/%s" % x for x in Split('''
        BulletsModule.C
        emptytable.C
        FileDialog_private.C
        floatplacement.C
        iconpalette.C
        lengthcombo.C
        panelstack.C
        QAboutDialog.C
        QBibitemDialog.C
        QBibtexDialog.C
        QBoxDialog.C
        QBranchDialog.C
        QBrowseBox.C
        QChangesDialog.C
        QCharacterDialog.C
        QCitationDialog.C
        QCommandBuffer.C
        QCommandEdit.C
        QContentPane.C
        QDelimiterDialog.C
        QDocumentDialog.C
        QErrorListDialog.C
        QERTDialog.C
        QExternalDialog.C
        QFloatDialog.C
        QGraphicsDialog.C
        QIncludeDialog.C
        QIndexDialog.C
        QLogDialog.C
        QViewSourceDialog.C
        QLPopupMenu.C
        QLPrintDialog.C
        QMathDialog.C
        QMathMatrixDialog.C
        QNoteDialog.C
        QParagraphDialog.C
        QPrefsDialog.C
        QRefDialog.C
        QSearchDialog.C
        QSendtoDialog.C
        qsetborder.C
        QShowFileDialog.C
        QSpellcheckerDialog.C
        QDialogView.C
        QTabularCreateDialog.C
        QTabularDialog.C
        QTexinfoDialog.C
        QThesaurusDialog.C
        QTocDialog.C
        qttableview.C
        QtView.C
        QURLDialog.C
        QVSpaceDialog.C
        QWrapDialog.C
        QLToolbar.C
        socket_callback.C
        validators.C
    ''')]

    # manually moc and uic files for better performance
    qt3_moced_files = [qt3env.Moc(x.replace('.C', '_moc.cpp'), x.replace('.C', '.h')) for x in qt3_moc_files]

    qt3_uiced_files = [qt3env.Uic('$BUILDDIR/common/frontends/qt3/ui/'+x) for x in \
        utils.globSource(dir = env.subst('$TOP_SRCDIR/src/frontends/qt3/ui'), pattern = '*.ui')]

    qt3_uiced_cc_files = []
    for x in qt3_uiced_files:
        qt3_uiced_cc_files.extend(x[1:])

    qt3 = qt3env.StaticLibrary(
        target = '$LOCALLIBPATH/qt3',
        source = utils.globSource(dir = env.subst('$TOP_SRCDIR/src/frontends/qt3/'), pattern = lyx_ext,
            build_dir = '$BUILDDIR/common/frontends/qt3') + qt3_moced_files + qt3_uiced_cc_files
    )
    Alias('qt3', qt3)


if build_qt4:
    print "Processing files in src/frontends/qt4..."

    qt4env = env.Copy()
    qt4env['QT_AUTOSCAN'] = 0

    # local qt4 toolset from
    # http://www.iua.upf.es/~dgarcia/Codders/sconstools.html
    #
    # NOTE: I have to patch qt4.py since it does not automatically
    # process .C file!!! (add to cxx_suffixes )
    #
    qt4env.Tool('qt4', [scons_dir])
    qt4env.EnableQt4Modules(qt_libs, debug = (mode == 'debug'))

    qt4env.AppendUnique(CPPPATH = [
        '$BUILDDIR/common',
        '$BUILDDIR/common/images',
        '$BUILDDIR/common/frontends',
        '$BUILDDIR/common/frontends/qt4',
        '$BUILDDIR/common/frontends/controllers',
        qt_inc_path
        ]
    )

    # FIXME: replace by something from pkg_config
    qt4env.Append(CCFLAGS = [
        '-DHAVE_CONFIG_H',
        '-DQT_CLEAN_NAMESPACE',
        '-DQT_GENUINE_STR',
        '-DQT_NO_STL',
        '-DQT3_SUPPORT',
        '-DQT_NO_KEYWORDS',
        ]
    )


    qt4_moc_files = ["$BUILDDIR/common/frontends/qt4/%s" % x for x in Split('''
        BulletsModule.C
        emptytable.C
        FileDialog_private.C
        floatplacement.C
        iconpalette.C
        lengthcombo.C
        InsertTableWidget.C
        panelstack.C
        QAboutDialog.C
        QBibitemDialog.C
        QBibtexDialog.C
        QBoxDialog.C
        QBranchDialog.C
        QBranches.C
        QChangesDialog.C
        QCharacterDialog.C
        QCitationDialog.C
        QCommandBuffer.C
        QCommandEdit.C
        QDelimiterDialog.C
        QDocumentDialog.C
        QErrorListDialog.C
        QERTDialog.C
        QExternalDialog.C
        QFloatDialog.C
        QGraphicsDialog.C
        QIncludeDialog.C
        QIndexDialog.C
        Action.C
        QLogDialog.C
        QViewSourceDialog.C
        QViewSource.C
        QLMenubar.C
        QLPopupMenu.C
        QLPrintDialog.C
        QMathDialog.C
        QMathMatrixDialog.C
        QNoteDialog.C
        QParagraphDialog.C
        QPrefsDialog.C
        QRefDialog.C
        QSearchDialog.C
        QSendtoDialog.C
        qsetborder.C
        QShowFileDialog.C
        QSpellcheckerDialog.C
        QDialogView.C
        QTabularCreateDialog.C
        QTabularDialog.C
        QTexinfoDialog.C
        QThesaurusDialog.C
        TocModel.C
        QTocDialog.C
        GuiView.C
        QURLDialog.C
        QVSpaceDialog.C
        GuiWorkArea.C
        QWrapDialog.C
        QLToolbar.C
        socket_callback.C
        validators.C
    ''') ]

    #
    # Compile resources
    #
    resources = [qt4env.Uic4(x.split('.')[0]) for x in \
        utils.globSource(dir = env.subst('$TOP_SRCDIR/src/frontends/qt4/ui'), pattern = '*.ui',
            build_dir = '$BUILDDIR/common/frontends/qt4/ui')]

    #
    # moc qt4_moc_files, the moced files are included in the original files
    #
    qt4_moced_files = [qt4env.Moc4(x.replace('.C', '_moc.cpp'), x.replace('.C', '.h')) for x in qt4_moc_files]

    qt4 = qt4env.StaticLibrary(
        target = '$LOCALLIBPATH/qt4',
        source = utils.globSource(dir = env.subst('$TOP_SRCDIR/src/frontends/qt4'), pattern = lyx_ext,
            exclude = ['QBrowseBox.C'], build_dir = '$BUILDDIR/common/frontends/qt4')
    )
    Alias('qt4', qt4)


if build_client:
    #
    # src/client
    #
    env.BuildDir('$BUILDDIR/common', '$TOP_SRCDIR/src', duplicate = 0)

    print "Processing files in src/client..."

    if env['HAVE_FCNTL']:
        client = env.Program(
            target = '$BUILDDIR/common/client/lyxclient',
            LIBS = ['support'] + intl_libs + system_libs +
                socket_libs + boost_libraries,
            source = utils.globSource(dir = env.subst('$TOP_SRCDIR/src/client'), pattern = lyx_ext,
                build_dir = '$BUILDDIR/common/client')
        )
        Alias('client', env.Command(os.path.join('$BUILDDIR', os.path.split(str(client[0]))[1]),
            client, [Copy('$TARGET', '$SOURCE')]))
    else:
        client = None
    Alias('client', client)


if build_tex2lyx:
    #
    # tex2lyx
    #
    print "Processing files in src/tex2lyx..."

    tex2lyx_env = env.Copy()
    #
    tex2lyx_env.Prepend(CPPPATH = ['$BUILDDIR/common/tex2lyx'])
    tex2lyx_env.AppendUnique(LIBPATH = ['#$LOCALLIBPATH'])

    for file in ['FloatList.C', 'Floating.C', 'counters.C', 'lyxlayout.h', 'lyxlayout.C',
        'lyxtextclass.h', 'lyxtextclass.C', 'lyxlex.C', 'lyxlex_pimpl.C']:
        env.Command('$BUILDDIR/common/tex2lyx/'+file, '$TOP_SRCDIR/src/'+file,
            [Copy('$TARGET', '$SOURCE')])

    tex2lyx = tex2lyx_env.Program(
        target = '$BUILDDIR/common/tex2lyx/tex2lyx',
        LIBS = ['support'] + boost_libraries + system_libs,
        source = utils.globSource(dir = env.subst('$TOP_SRCDIR/src/tex2lyx'), pattern = lyx_ext,
            include = ['FloatList.C', 'Floating.C', 'counters.C', 'lyxlayout.C',
                'lyxtextclass.C', 'lyxlex.C', 'lyxlex_pimpl.C'],
            build_dir = '$BUILDDIR/common/tex2lyx')
    )
    Alias('tex2lyx', env.Command(os.path.join('$BUILDDIR', os.path.split(str(tex2lyx[0]))[1]),
        tex2lyx, [Copy('$TARGET', '$SOURCE')]))
    Alias('tex2lyx', tex2lyx)


if build_lyxbase:
    #
    # src/
    #
    print "Processing files in src..."

    env.substFile('$BUILDDIR/common/version.C', '$TOP_SRCDIR/src/version.C.in')

    lyx_post_source = Split('''
        tabular.C
        dimension.C
        PrinterParams.C
        box.C
        Thesaurus.C
        SpellBase.C
    ''')

    if env.has_key('USE_ASPELL') and env['USE_ASPELL']:
        lyx_post_source.append('aspell.C')
    elif env.has_key('USE_PSPELL') and env['USE_PSPELL']:
        lyx_post_source.append('pspell.C')
    elif env.has_key('USE_ISPELL') and env['USE_ISPELL']:
        lyx_post_source.append('ispell.C')

    # msvc requires at least one source file with main()
    # so I exclude main.C from lyxbase
    lyxbase_pre = env.StaticLibrary(
        target = '$LOCALLIBPATH/lyxbase_pre',
        source = utils.globSource(dir = env.subst('$TOP_SRCDIR/src'), pattern = lyx_ext,
            exclude = lyx_post_source + ['main.C', 'aspell.C', 'pspell.C',
                'ispell.C', 'Variables.C', 'Sectioning.C'],
            include = ['version.C'], build_dir = '$BUILDDIR/common')
    )
    lyxbase_post = env.StaticLibrary(
        target = '$LOCALLIBPATH/lyxbase_post',
        source = ["$BUILDDIR/common/%s" % x for x in lyx_post_source]
    )
    Alias('lyxbase', lyxbase_pre)
    Alias('lyxbase', lyxbase_post)


if build_lyx:
    #
    # Build lyx with given frontend
    #
    lyx = env.Program(
        target = '$BUILDDIR/$frontend/lyx',
        source = ['$BUILDDIR/common/main.C'],
        LIBS = [
            'lyxbase_pre',
            'mathed',
            'insets',
            'frontends',
            frontend,
            'controllers',
            'graphics',
            'support',
            'lyxbase_post',
            ] +
            boost_libraries +
            frontend_libs +
            intl_libs +
            socket_libs +
            system_libs
    )
    # [/path/to/lyx.ext] => lyx-qt3.ext
    target_name = os.path.split(str(lyx[0]))[1].replace('lyx', 'lyx-%s' % frontend)
    Alias('lyx', env.Command(os.path.join('$BUILDDIR', target_name), lyx,
        [Copy('$TARGET', '$SOURCE')]))
    Alias('lyx', lyx)


if build_msvs_projects:
    def build_project(target, dir, full_target = None,
        src_pattern = lyx_ext, include = [], resource = None, rebuildTargetOnly = True):
        ''' build mavs project files
            target:      alias (correspond to directory name)
            dir:         source directory or directories (a list)
            full_target: full path/filename of the target
            src_pattern: glob pattern
            include:     files to include into source
            resource:    directory or directories with resource (.ui) files
            rebuildTargetOnly:     whether or not only rebuild this target

        For non-debug-able targets like static libraries, target (alias) is
        enough to build the target. For executable targets, msvs need to know
        the full path to start debug them.
        '''
        if resource is not None:
            res = utils.globSource(dir = env.subst('$TOP_SRCDIR/'+resource), pattern = '*.ui',
                build_dir = env.subst('$TOP_SRCDIR/'+resource))
        else:
            res = []
        if rebuildTargetOnly:
            cmds = 'faststart=yes rebuild='+target
        else:
            cmds = 'faststart=yes'
        if type(dir) == type([]):
            src = []
            inc = []
            for d in dir:
                src.extend(utils.globSource(dir = env.subst('$TOP_SRCDIR/' + d),
                    pattern = src_pattern, include = include,
                    build_dir = env.subst('$TOP_SRCDIR/' + d) ))
                inc.extend(utils.globSource(dir = env.subst('$TOP_SRCDIR/' + d),
                    pattern = '*.h',
                    build_dir = env.subst('$TOP_SRCDIR/' + d) ))
        else:
            src = utils.globSource(dir = env.subst('$TOP_SRCDIR/' + dir),
                pattern = src_pattern, include = include,
                build_dir = env.subst('$TOP_SRCDIR/' + dir) )
            inc = utils.globSource(dir = env.subst('$TOP_SRCDIR/' + dir),
                pattern = '*.h',
                build_dir = env.subst('$TOP_SRCDIR/' + dir) )
        if full_target is None:
            build_target = target
        else:
            build_target = full_target
        # project
        proj = env.MSVSProject(
            target = target + env['MSVSPROJECTSUFFIX'],
            srcs = src,
            incs = [env.subst('$TOP_SRCDIR/src/config.h')],
            localincs = inc,
            resources = res,
            buildtarget = build_target,
            cmdargs = cmds,
            variant = 'Debug'
        )
        Alias('msvs_projects', proj)
    #
    build_project('boost', ['boost/libs/%s/src' % x for x in boost_libs],
        src_pattern = '*.cpp')
    #
    build_project('intl', 'intl', src_pattern = '*.c')
    #
    build_project('support', 'src/support', include=['package.C.in'])
    #
    build_project('mathed', 'src/mathed')
    #
    build_project('insets', 'src/insets')
    #
    build_project('frontends', 'src/frontends')
    #
    build_project('graphics', 'src/graphics')
    #
    build_project('controllers', 'src/frontends/controllers')
    #
    build_project('qt3', 'src/frontends/qt3', resource = 'src/frontends/qt3/ui')
    #
    build_project('qt4', 'src/frontends/qt4', resource = 'src/frontends/qt4/ui')
    #
    build_project('client', 'src/client', rebuildTargetOnly = False,
        full_target = File(env.subst('$BUILDDIR/common/client/lyxclient$PROGSUFFIX')).abspath)
    #
    build_project('tex2lyx', 'src/tex2lyx', rebuildTargetOnly = False,
        full_target = File(env.subst('$BUILDDIR/common/tex2lyx/tex2lyx$PROGSUFFIX')).abspath)
    #
    build_project('lyxbase', 'src')
    #
    if frontend == 'qt3':
        build_project('lyx', ['src', 'src/support', 'src/mathed', 'src/insets',
            'src/frontends', 'src/graphics', 'src/frontends/controllers',
            'src/frontends/qt3'], resource = 'src/frontends/qt3/ui',
            rebuildTargetOnly = False,
            full_target = File(env.subst('$BUILDDIR/$frontend/lyx$PROGSUFFIX')).abspath)
    else:
        build_project('lyx', ['src', 'src/support', 'src/mathed', 'src/insets',
            'src/frontends', 'src/graphics', 'src/frontends/controllers',
            'src/frontends/qt4'], resource = 'src/frontends/qt4/ui',
            rebuildTargetOnly = False,
            full_target = File(env.subst('$BUILDDIR/$frontend/lyx$PROGSUFFIX')).abspath)


if build_po:
    #
    # po/
    #
    print 'Processing files in po...'

    import glob
    # handle po files
    #
    # files to translate
    transfiles = glob.glob(os.path.join(env.subst('$TOP_SRCDIR'), 'po', '*.po'))
    # possibly *only* handle these languages
    languages = None
    if env.has_key('languages'):
        languages = env.make_list(env['lanauges'])
    # use defulat msgfmt
    if not env['MSGFMT']:
        print 'msgfmt does not exist. Can not process po files'
    else:
        # create a builder
        env['BUILDERS']['Transfiles'] = Builder(action='$MSGFMT $SOURCE -o $TARGET',suffix='.gmo',src_suffix='.po')
        #
        gmo_files = []
        for f in transfiles:
            # get filename
            fname = os.path.split(f)[1]
            # country code
            country = fname.split('.')[0]
            #
            if not languages or country in languages:
                gmo_files.extend(env.Transfiles(f))


if 'install' in targets:
    #
    # this part is a bit messy right now. Since scons will provide
    # --DESTDIR option soon, at least the dest_dir handling can be 
    # removed later.
    #
    # how to join dest_dir and prefix
    def joinPaths(path1, path2):
        ''' join path1 and path2, do not use os.path.join because
            under window, c:\destdir\d:\program is invalid '''
        if path1 is None:
            return os.path.normpath(path2)
        # separate drive letter
        (drive, path) = os.path.splitdrive(os.path.normpath(path2))
        # ignore drive letter, so c:\destdir + c:\program = c:\destdir\program
        return os.path.join(os.path.normpath(path1), path[1:])
    #
    # install to dest_dir/prefix
    dest_dir = env.get('DESTDIR', None)
    dest_prefix_dir = joinPaths(dest_dir, env.Dir(prefix).abspath)
    # create the directory if needed
    if not os.path.isdir(dest_prefix_dir):
        try:
            os.makedirs(dest_prefix_dir)
        except:
            pass
        if not os.path.isdir(dest_prefix_dir):
            print 'Can not create directory', dest_prefix_dir
            Exit(3)
    #
    if env.has_key('exec_prefix'):
        bin_dest_dir = joinPaths(dest_dir, Dir(env['exec_prefix']).abspath)
    else:
        bin_dest_dir = os.path.join(dest_prefix_dir, 'bin')
    if add_suffix:
        share_dest_dir = os.path.join(dest_prefix_dir, share_dir + program_suffix)
    else:
        share_dest_dir = os.path.join(dest_prefix_dir, share_dir)
    man_dest_dir = os.path.join(dest_prefix_dir, man_dir)
    locale_dest_dir = os.path.join(dest_prefix_dir, locale_dir)
    #
    import glob
    #
    # do not install these files
    exclude_list = ['Makefile.am', 'Makefile.in', 'Makefile',
        'lyx2lyx_version.py.in']

    def install(dest, src):
        ''' recusive installation of src to dest '''
        # separate file and directory
        files = filter(lambda x: os.path.isfile(x) and not os.path.split(x)[1] in exclude_list, src)
        dirs = filter(os.path.isdir, src)
        # install file
        env.Install(dest, files)
        # install directory
        ins_dir = [dest]
        for dir in dirs:
            ins_dir.extend(install(os.path.join(dest, os.path.basename(dir)),
                glob.glob(os.path.join(dir, '*'))) )
        return ins_dir
    #
    # install executables (lyxclient may be None)
    #
    if add_suffix:
        version_suffix = program_suffix
    else:
        version_suffix = ''
    #
    # install lyx
    target_name = os.path.split(str(lyx[0]))[1].replace('lyx', 'lyx%s' % version_suffix)
    target = os.path.join(bin_dest_dir, target_name)
    env.InstallAs(target, lyx)
    Alias('install', target)
    # install lyx as lyx-qt3
    target_name = os.path.split(str(lyx[0]))[1].replace('lyx', 'lyx-%s%s' % (frontend, version_suffix))
    target = os.path.join(bin_dest_dir, target_name)
    env.InstallAs(target, lyx)
    Alias('install', target)
    #
    # install tex2lyx
    target_name = os.path.split(str(tex2lyx[0]))[1].replace('tex2lyx', 'tex2lyx%s' % version_suffix)
    target = os.path.join(bin_dest_dir, target_name)
    env.InstallAs(target, tex2lyx)
    Alias('install', target)
    #
    # install lyxclient, may not exist
    if client != None:
        target_name = os.path.split(str(client[0]))[1].replace('client', 'client%s' % version_suffix)
        target = os.path.join(bin_dest_dir, target_name)
        env.InstallAs(target, client)
        Alias('install', target)
    #
    # share/lyx
    dirs = install(share_dest_dir,
        [env.subst('$TOP_SRCDIR/lib/') + file for file in ['configure.py', 'encodings',
        'chkconfig.ltx', 'CREDITS', 'external_templates', 'symbols', 'languages',
        'lyxrc.example', 'syntax.default', 'bind', 'images', 'layouts', 'scripts',
        'templates', 'examples', 'kbd', 'lyx2lyx', 'tex', 'clipart', 'doc',  'ui']]
    )
    # lyx1.4.x does not have lyx2lyx_version.py.in
    if os.path.isfile(env.subst('$TOP_SRCDIR/lib/lyx2lyx/lyx2lyx_version.py.in')):
        # subst and install this file
        env.substFile(share_dest_dir + '/lyx2lyx/lyx2lyx_version.py',
            '$TOP_SRCDIR/lib/lyx2lyx/lyx2lyx_version.py.in')
        Alias('install', share_dest_dir + '/lyx2lyx/lyx2lyx_version.py')
    Alias('install', dirs)
    # man
    env.InstallAs(os.path.join(man_dest_dir, 'lyx' + version_suffix + '.1'),
        env.subst('$TOP_SRCDIR/lyx.man'))
    env.InstallAs(os.path.join(man_dest_dir, 'tex2lyx' + version_suffix + '.1'),
        env.subst('$TOP_SRCDIR/src/tex2lyx/tex2lyx.man'))
    env.InstallAs(os.path.join(man_dest_dir, 'lyxclient' + version_suffix + '.1'),
        env.subst('$TOP_SRCDIR/src/client/lyxclient.man'))
    Alias('install', [os.path.join(man_dest_dir, x + version_suffix + '.1') for
        x in ['lyx', 'tex2lyx', 'lyxclient']])
    # locale files?
    # ru.gmo ==> ru/LC_MESSAGES/lyxSUFFIX.mo
    for gmo in gmo_files:
        lan = os.path.split(str(gmo))[1].split('.')[0]
        dest_file = os.path.join(locale_dest_dir, lan, 'LC_MESSAGES', 'lyx' + version_suffix + '.mo')
        env.InstallAs(dest_file, gmo)
        Alias('install', dest_file)


Default('lyx')
Alias('all', ['lyx', 'client', 'tex2lyx'])