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lyx_mirror/development/scons/SConstruct
Bo Peng 44d2042c9a Scons: initial msvc support, and separate fast_start and load_option options. 
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@13962 a592a061-630c-0410-9148-cb99ea01b6c8
2006-05-29 16:58:14 +00:00

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# vi:filetype=python:expandtab:tabstop=2:shiftwidth=2
#
# 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, you can use it as follows:
#
# $ cd development/scons
# $ scons [options] [targets]
# or:
# $ scons -f development/scons/SConstruct [options] [targets]
# and:
# $ scons [prefix=.] install
#
# Where:
# * targets can be one or more of lyx, tex2lyx, client, po, install.
# default to lyx, you can use 'scons all' to build all targets except
# for install
# * options: use scons -h for details about options, the most important
# one is frontend=qt3|qt4.
# - qt3 is used by default on linux, cygwin and mac
# - qt4 is used by default on win32/mingw
#
# File layouts (Important):
# * Unless you specify builddir=dir, building will happen
# in $BUILDDIR = $mode, which can be debug or release
# * $BUILDDIR has subdirectories
# libs: all intermediate libraries
# boost: boost libraries, if boost=included is used
# qt3/4: frontend-specific objects
# * executables will be copied to $BUILDDIR/
#
# Hints:
# * scons fast_start=yes
# If env.cache exists, bypass all tests and use existing src/config.h
#
# * scons --config=force
# force re-configuration (use scons -H for details)
#
# * check config.log to see why config has failed
#
# * use extra_inc_path, extra_lib_path, qt_dir, qt_inc_path
# qt_lib_path to help locate qt and other libraries.
# There are also extra_inc_path1, extra_lib_path1 if you need to spacify
# more than one extra paths.
#
# * executed commands will be logged in scons_lyx.log. You can use logfile=
# option to save log to another file.
#
# Notes:
#
# * scons dist etc may be added later. Interested contributors can follow
# http://www.scons.org/cgi-sys/cgiwrap/scons/moin.cgi/AccumulateBuilder
# or
# http://www.scons.org/cgi-sys/cgiwrap/scons/moin.cgi/DistTarBuilder
# Please also see the commented out code in scons_utils.py
#
# * NSIS support can be found here.
# http://www.scons.org/cgi-sys/cgiwrap/scons/moin.cgi/NsisSconsTool
#
# * rpm support?
# http://www.scons.org/cgi-sys/cgiwrap/scons/moin.cgi/RpmHonchoTemp
#
# However, I decide to wait since scons seems to be standardizing these
# features.
#
import os, sys, copy, cPickle
# config/scons_utils.py defines a few utility function
sys.path.append('config')
import scons_utils as utils
#----------------------------------------------------------
# Required runtime environment
#----------------------------------------------------------
# FIXME: I remember lyx requires higher version of python?
EnsurePythonVersion(1, 5)
# Please use at least 0.96.91 (not 0.96.1)
EnsureSConsVersion(0, 96)
# determine where I am ...
#
# called as 'scons -f development/scons/SConstruct'
if os.path.isfile('SConstruct'):
TOP_SRC_DIR = '../..'
SCONS_DIR = '.'
# called as 'cd development/scons; scons'
else:
TOP_SRC_DIR = '.'
SCONS_DIR = 'development/scons'
#----------------------------------------------------------
# Global definitions
#----------------------------------------------------------
# some global settings
PACKAGE_VERSION = '1.5.0svn'
DEVEL_VERSION = True
default_build_mode = 'debug'
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'
# boost and gettext are unlikely to be installed already
default_boost_opt = 'included'
default_gettext_opt = 'included'
default_pch_opt = False
default_with_x = False
spell_checker = 'auto'
# boost_posix indicates to boost which API to use (posix or windows).
# If not specified, boost tries to figure out by itself, but it may fail.
boost_posix = False
packaging_method = 'windows'
add_suffix_to_executables = False
default_prefix = 'c:/program files/lyx'
share_dir = 'Resources'
man_dir = 'Resources/man/man1'
locale_dir = 'Resources/locale'
elif os.name == 'posix' and sys.platform != 'cygwin':
platform_name = sys.platform
default_frontend = 'qt3'
# try to use system boost/gettext libraries
default_boost_opt = 'auto'
default_gettext_opt = 'auto'
default_pch_opt = False
default_with_x = True
boost_posix = True
packaging_method = 'posix'
add_suffix_to_executables = True
default_prefix = '/usr/local/'
share_dir = 'share/lyx'
man_dir = 'man/man1'
locale_dir = 'share/locale'
elif os.name == 'posix' and sys.platform == 'cygwin':
platform_name = 'cygwin'
default_frontend = 'qt3'
# force the use of cygwin/boost/gettext
default_boost_opt = 'system'
default_gettext_opt = 'system'
default_pch_opt = False
default_with_x = True
boost_posix = True
packaging_method = 'posix'
add_suffix_to_executables = True
default_prefix = '/usr/local/'
share_dir = 'share/lyx'
man_dir = 'man/man1'
locale_dir = 'share/locale'
elif os.name == 'darwin':
platform_name = 'mac'
default_frontend = 'qt3'
# to be safe
default_boost_opt = 'included'
default_gettext_opt = 'included'
default_pch_opt = False
default_with_x = False
boost_posix = True
packaging_method = 'mac'
add_suffix_to_executables = True
# FIXME: where to install?
default_prefix = '/usr/local/'
share_dir = 'Resources'
man_dir = 'Resources/man/man1'
locale_dir = 'Resources/locale'
else: # unsupported system
platform_name = 'others'
default_frontend = 'qt3'
# to be safe
default_boost_opt = 'included'
default_gettext_opt = 'included'
default_pch_opt = False
default_with_x = True
boost_posix = False
packaging_method = 'posix'
add_suffix_to_executables = True
default_prefix = '/usr/local/'
share_dir = 'share/lyx'
man_dir = 'man/man1'
locale_dir = 'share/locale'
#---------------------------------------------------------
# Handling options
#----------------------------------------------------------
#
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 = ('xform', '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.',
default_boost_opt,
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
) ),
# FIXME: not implemented yet.
EnumOption('gettext',
'Use included, system gettext library, or try sytem gettext first',
default_gettext_opt,
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') ),
#
BoolOption('fast_start', 'Whether or not use cached tests and keep current config.h', True),
#
BoolOption('load_option', 'load option from previous scons run', True),
# FIXME: I do not know how pch is working. Ignore this option now.
BoolOption('pch', '(NA) Whether or not use pch', default_pch_opt),
# enable assertion, (config.h has ENABLE_ASSERTIOS
BoolOption('assertions', 'Use assertions', True),
# enable warning, (config.h has WITH_WARNINGS)
BoolOption('warnings', 'Use warnings', True),
# enable glib, (config.h has _GLIBCXX_CONCEPT_CHECKS)
BoolOption('concept_checks', 'Enable concept checks', True),
#
BoolOption('nls', 'Whether or not use native language support', True),
# FIXME: not implemented
BoolOption('profile', '(NA) Whether or not enable profiling', False),
# FIXME: not implemented
BoolOption('std_debug', '(NA) 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', False),
#
PathOption('qt_dir', 'Path to qt directory', None),
#
PathOption('qt_include_path', 'Path to qt include directory', None),
#
PathOption('qt_lib_path', 'Path to qt library directory', None),
# build directory, will use $mode if not set
PathOption('build_dir', 'Build directory', None),
# extra include and libpath
PathOption('extra_inc_path', 'Extra include path', None),
#
PathOption('extra_lib_path', 'Extra library path', None),
#
PathOption('extra_inc_path1', 'Extra include path', None),
#
PathOption('extra_lib_path1', 'Extra library path', None),
# rebuild only specifed, comma separated targets
('rebuild', 'rebuild only specifed, comma separated targets', None),
# can be set to a non-existing directory
('prefix', 'install architecture-independent files in PREFIX', None),
# will install to dest_dir if defined. Otherwise, prefix will be used.
('dest_dir', 'install to dest_dir', None),
# version suffix
('version_suffix', 'install lyx as lyx-suffix', ''),
#
PathOption('exec_prefix', 'install architecture-independent executable files in PREFIX', None),
# log file
('logfile', 'save commands (not outputs) to logfile', default_log_file),
# Path to aikasurus
PathOption('aikasurus_path', 'Path to aikasurus library', None),
# environment variable can be set as options. (DO NOT set defaults)
('CC', '$CC', None),
('LINK', '$LINK', None),
('CPP', '$CPP', None),
('CXX', '$CXX', None),
('CXXCPP', '$CXXCPP', None),
('CCFLAGS', '$CCFLAGS', None),
('CPPFLAGS', '$CPPFLAGS', None),
('LDFLAGS', '$LDFLAGS', None),
)
# whether or not use current config.h, and cached tests
if (not ARGUMENTS.has_key('fast_start') or \
ARGUMENTS['fast_start'] in ['y', 'yes', 't', 'true', '1', 'all']) \
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 (not ARGUMENTS.has_key('load_option') or \
ARGUMENTS['load_option'] in ['y', 'yes', 't', 'true', '1', 'all']) \
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')
# and we do not cache fast_start
if opt_cache.has_key('fast_start'):
opt_cache.pop('fast_start')
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
#---------------------------------------------------------
# Note that 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)
# Determine the frontend to use, which may be loaded
# from option cache
frontend = env.get('frontend', default_frontend)
# make sure the key exists
env['frontend'] = frontend
#
use_X11 = env.get('X11', default_with_x)
use_vc = env.get('use_vc', False)
# use it only once for s scons-bug, will remove it later.
env['USE_VC'] = use_vc
# 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')
env['TOP_SRC_DIR'] = TOP_SRC_DIR
env['SCONS_DIR'] = SCONS_DIR
# install to default_prefix by default
env['PREFIX'] = env.get('prefix', default_prefix)
# program suffix
if env.has_key('version_suffix'):
env['PROGRAM_SUFFIX'] = env['version_suffix']
else:
env['PROGRAM_SUFFIX'] = ''
env['ADD_SUFFIX_TO_EXECUTABLES'] = add_suffix_to_executables
env['SHARE_DIR'] = os.path.join(env['PREFIX'], share_dir + env['PROGRAM_SUFFIX'])
env['LOCALE_DIR'] = os.path.join(env['PREFIX'], locale_dir)
#
# if dest_dir is different from prefix.
env['DEST_DIR'] = env.get('dest_dir', env['PREFIX'])
if env.has_key('exec_prefix'):
env['BIN_DEST_DIR'] = env['exec_prefix']
else:
env['BIN_DEST_DIR'] = os.path.join(env['DEST_DIR'], 'bin')
env['SHARE_DEST_DIR'] = os.path.join(env['DEST_DIR'], share_dir + env['PROGRAM_SUFFIX'])
env['MAN_DEST_DIR'] = os.path.join(env['DEST_DIR'], man_dir)
env['LOCALE_DEST_DIR'] = os.path.join(env['DEST_DIR'], locale_dir)
#
# this is a bit out of place (after auto-configration) but
# it is required to do the tests. Since Tool('mingw') will
# reset CCFLAGS etc, this should be done before getEnvVariable
if platform_name == 'win32' and not use_vc:
env.Tool('mingw')
env.AppendUnique(CPPPATH = ['#c:/MinGW/include'])
elif use_vc:
env.Tool('msvc')
env.Tool('mslink')
# speed up source file processing
#env['CPPSUFFIXES'] = ['.C', '.cc', '.cpp']
#env['CXXSUFFIX'] = ['.C']
def getEnvVariable(env, name):
# first try command line argument (override environment settings)
if ARGUMENTS.has_key(name) and ARGUMENTS[name].strip() != '':
# multiple options may be passed like "-02 -g"
env[name] = ARGUMENTS[name].split()
# it does not seem necessary, but it is safer to change ['a'] back to 'a'
if len(env[name]) == 1:
env[name] = env[name][0]
# then use environment default
elif os.environ.has_key(name) and os.environ[name].strip() != '':
print "Acquiring varaible %s from system environment: %s" % (name, env[name])
env[name] = os.environ[name].split()
if len(env[name]) == 1:
env[name] = env[name][0]
# finally, env['CC'] etc is set to the default values of Options.
# and env['CPP'] etc does not exist
getEnvVariable(env, 'CC')
getEnvVariable(env, 'LINK')
getEnvVariable(env, 'CPP')
getEnvVariable(env, 'CXX')
getEnvVariable(env, 'CXXCPP')
getEnvVariable(env, 'CCFLAGS')
getEnvVariable(env, 'CXXFLAGS')
getEnvVariable(env, 'CPPFLAGS')
getEnvVariable(env, 'LDFLAGS')
#
# frontend, mode, BUILDDIR and LOCALLIBPATH=BUILDDIR/libs
#
env['mode'] = env.get('mode', default_build_mode)
# 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']:
build_dir = env['build_dir']
env['BUILDDIR'] = build_dir
else:
# Determine the name of the build $mode
env['BUILDDIR'] = '#' + env['mode']
# all built libraries will go to build_dir/libs
# (This is different from the make file approach)
env['LOCALLIBPATH'] = '$BUILDDIR/libs'
env.AppendUnique(LIBPATH = ['$LOCALLIBPATH'])
#
# QTDIR, QT_LIB_PATH, QT_INC_PATH
#
if env.has_key('qt_dir') and env['qt_dir']:
env['QTDIR'] = env['qt_dir']
# add path to the qt tools
env.AppendUnique(LIBPATH = [os.path.join(env['qt_dir'], 'lib')])
# set environment so that moc etc can be found even if its path is not set properly
env.PrependENVPath('PATH', os.path.join(env['qt_dir'], 'bin'))
else:
env['QTDIR'] = os.environ.get('QTDIR', '/usr/lib/qt-3.3')
if env.has_key('qt_lib_path') and env['qt_lib_path']:
env['QT_LIB_PATH'] = env['qt_lib_path']
else:
env['QT_LIB_PATH'] = '$QTDIR/lib'
env.AppendUnique(LIBPATH = ['$QT_LIB_PATH'])
# qt4 seems to be using pkg_config
env.PrependENVPath('PKG_CONFIG_PATH', env.subst('$QT_LIB_PATH'))
if env.has_key('qt_inc_path') and env['qt_inc_path']:
env['QT_INC_PATH'] = env['qt_inc_path']
elif os.path.isdir(os.path.join(env.subst('$QTDIR'), 'include')):
env['QT_INC_PATH'] = '$QTDIR/include'
else: # have to guess
env['QT_INC_PATH'] = '/usr/include/$frontend/'
# Note that this CPPPATH is for testing only
# it will be removed before calling SConscript
env['CPPPATH'] = [env['QT_INC_PATH']]
#
# extra_inc_path and extra_lib_path
#
if env.has_key('extra_inc_path') and env['extra_inc_path']:
env.AppendUnique(CPPPATH = [env['extra_inc_path']])
if env.has_key('extra_lib_path') and env['extra_lib_path']:
env.AppendUnique(LIBPATH = [env['extra_lib_path']])
if env.has_key('extra_inc_path1') and env['extra_inc_path1']:
env.AppendUnique(CPPPATH = [env['extra_inc_path1']])
if env.has_key('extra_lib_path1') and env['extra_lib_path1']:
env.AppendUnique(LIBPATH = [env['extra_lib_path1']])
if env.has_key('aikasurus_path') and env['aikasurus_path']:
env.AppendUnique(LIBPATH = [env['aikasurus_path']])
# under windows, scons is confused by .C/.c and uses gcc instead of
# g++. I am forcing the use of g++ here. This is expected to change
# after lyx renames all .C files to .cpp
#
# Note that this step has to be after env.Tool('mingw') step
# since env.Tool('mingw') will set env['CC'] etc.
#
# save the old c compiler and CCFLAGS (used by libintl)
env['C_COMPILER'] = env.subst('$CC')
env['C_CCFLAGS'] = env.subst('$CCFLAGS')
# if we use ms vc, the commands are fine (cl.exe and link.exe)
if not use_vc:
if env.has_key('CXX') and env['CXX']:
env['CC'] = env.subst('$CXX')
env['LINK'] = env.subst('$CXX')
else:
env['CC'] = 'g++'
env['LINK'] = 'g++'
else:
# /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
env.Append(CCFLAGS=['/TP', '/EHsc', '/wd4819', '/wd4996'])
#----------------------------------------------------------
# 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,
}
)
# 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 and not conf.CheckLibWithHeader('z', 'zlib.h', 'C'):
print 'Did not find libz or zlib.h, exiting!'
Exit(1)
# qt libraries?
if not fast_start:
#
# qt3 does not use pkg_config
if frontend == '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')
env['QT4_PKG_CONFIG'] = succ
# second: try to link to it
if not succ:
# FIXME: under linux, I can test the following perfectly
# However, 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(env.subst('$QT_LIB_PATH'), 'lib%s.a' % lib)) or \
os.path.isfile(os.path.join(env.subst('$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)
# check socket libs
if not fast_start:
env['SOCKET_LIBS'] = []
if conf.CheckLib('socket'):
env['SOCKET_LIBS'].append('socket')
# nsl is the network services library and provides a
# transport-level interface to networking services.
if conf.CheckLib('nsl'):
env['SOCKET_LIBS'].append('nsl')
env_cache['SOCKET_LIBS'] = env['SOCKET_LIBS']
else:
env['SOCKET_LIBS'] = env_cache['SOCKET_LIBS']
if not fast_start:
# check boost libraries
boost_opt = ARGUMENTS.get('boost', default_boost_opt)
# check for system boost
succ = False
if boost_opt in ['auto', 'system']:
pathes = env['LIBPATH'] + ['/usr/lib', '/usr/local/lib']
sig = conf.CheckBoostLibraries('boost_signals', pathes)
reg = conf.CheckBoostLibraries('boost_regex', pathes)
fil = conf.CheckBoostLibraries('boost_filesystem', pathes)
ios = conf.CheckBoostLibraries('boost_iostreams', pathes)
# if any of them is not found
if ('' in [sig[0], reg[0], fil[0], ios[0]]):
if boost_opt == 'system':
print "Can not find system boost libraries"
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:
env['BOOST_LIBRARIES'] = [sig[1], reg[1], fil[1], ios[1]]
# assume all boost libraries are in the same path...
env.AppendUnique(LIBPATH = [sig[0]])
env['INCLUDED_BOOST'] = False
succ = True
# now, auto and succ = false, or boost=included
if not succ:
# we do not need to set LIBPATH now.
env['BOOST_LIBRARIES'] = ['included_boost_signals', 'included_boost_regex',
'included_boost_filesystem', 'included_boost_iostreams']
env['INCLUDED_BOOST'] = True
env_cache['BOOST_LIBRARIES'] = env['BOOST_LIBRARIES']
env_cache['INCLUDED_BOOST'] = env['INCLUDED_BOOST']
else:
env['BOOST_LIBRARIES'] = env_cache['BOOST_LIBRARIES']
env['INCLUDED_BOOST'] = env_cache['INCLUDED_BOOST']
env['ENABLE_NLS'] = not env.has_key('nls') or env['nls']
if not fast_start:
if not env['ENABLE_NLS']:
env['INTL_LIBS'] = []
env['INCLUDED_GETTEXT'] = False
else:
# check gettext libraries
gettext_opt = ARGUMENTS.get('gettext', default_gettext_opt)
# check for system gettext
succ = False
if gettext_opt in ['auto', 'system']:
if conf.CheckLib('intl'):
env['INCLUDED_GETTEXT'] = False
env['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.
env['INCLUDED_GETTEXT'] = True
env['INTL_LIBS'] = ['included_intl']
if platform_name == 'win32' and not use_vc:
# for functions AddFontResouceA, RemoveFontResourceA
# if use_vc, gdi32 will be added anyway later
env['INTL_LIBS'].append('gdi32')
env_cache['INCLUDED_GETTEXT'] = env['INCLUDED_GETTEXT']
env_cache['INTL_LIBS'] = env['INTL_LIBS']
else:
env['INTL_LIBS'] = env_cache['INTL_LIBS']
env['INCLUDED_GETTEXT'] = env_cache['INCLUDED_GETTEXT']
#
# check for msgfmt command
if not fast_start:
env['MSGFMT'] = conf.CheckCommand('msgfmt')
env_cache['MSGFMT'] = env['MSGFMT']
else:
env['MSGFMT'] = env_cache['MSGFMT']
#----------------------------------------------------------
# Generating config.h
#----------------------------------------------------------
if not fast_start:
print "Generating ", utils.config_h, "..."
# I do not handle all macros in src/config.h.in, rather I am following a list
# of *used-by-lyx* macros compiled by Abdelrazak Younes <younes.a@free.fr>
#
# Note: addToConfig etc are defined in scons_util
utils.startConfigH()
# HAVE_IO_H
# HAVE_LIMITS_H
# HAVE_LOCALE_H
# HAVE_LOCALE
# HAVE_PROCESS_H
# HAVE_STDLIB_H
# HAVE_SYS_STAT_H
# HAVE_SYS_TIME_H
# HAVE_SYS_TYPES_H
# HAVE_SYS_UTIME_H
# HAVE_UNISTD_H
# HAVE_UTIME_H
# HAVE_STRINGS_H
# HAVE_DIRECT_H
# HAVE_ISTREAM
# HAVE_OSTREAM
# HAVE_IOS
# for libintl % grep HAVE * | grep _H | cut -d: -f2 | sort -u
# HAVE_STDINT_H_WITH_UINTMAX
# HAVE_INTTYPES_H_WITH_UINTMAX
#
# HAVE_INTTYPES_H
# HAVE_STDINT_H
# HAVE_ALLOCA_H
# HAVE_STDLIB_H
# HAVE_STRING_H
# HAVE_STDDEF_H
# HAVE_LIMITS_H
# HAVE_ARGZ_H
# HAVE_UNISTD_H
# HAVE_SYS_PARAM_H
# Check header files
headers = [
('io.h', 'HAVE_IO_H', 'c'),
('limits.h', 'HAVE_LIMITS_H', 'c'),
('locale.h', 'HAVE_LOCALE_H', 'c'),
('locale', 'HAVE_LOCALE', 'cxx'),
('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'),
('inttypes.h', 'HAVE_INTTYPES_H', 'c'),
('utime.h', 'HAVE_UTIME_H', 'c'),
('string.h', 'HAVE_STRING_H', 'c'),
('strings.h', 'HAVE_STRINGS_H', 'c'),
('direct.h', 'HAVE_DIRECT_H', 'c'),
('istream', 'HAVE_ISTREAM', 'cxx'),
('ostream', 'HAVE_OSTREAM', 'cxx'),
('ios', 'HAVE_IOS', 'cxx'),
('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')
]
for header in headers:
utils.addToConfig("/* Define to 1 if you have the <%s> header file. */" % header[0], newline=1)
if (header[2] == 'c' and conf.CheckCHeader(header[0])) or \
(header[2] == 'cxx' and conf.CheckCXXHeader(header[0])):
utils.addToConfig('#define %s 1' % header[1])
else:
utils.addToConfig('/* #undef %s */' % header[1])
# HAVE_OPEN
# HAVE_CLOSE
# HAVE_POPEN
# HAVE_PCLOSE
# HAVE__OPEN
# HAVE__CLOSE
# HAVE__POPEN
# HAVE__PCLOSE
# HAVE_GETPID
# HAVE__GETPID
# HAVE_MKDIR
# HAVE__MKDIR
# HAVE_PUTENV
# HAVE_MKTEMP
# HAVE_MKSTEMP
# HAVE_STRERROR
# HAVE_STD_COUNT
# HAVE_GETCWD
# HAVE_STRCPY
# HAVE_STRCASECMP
# HAVE_STRDUP
# HAVE_STRTOUL
# HAVE_WCSLEN
# HAVE_MMAP ?
# HAVE_ALLOCA
# HAVE___FSETLOCKING
# HAVE_MEMPCPY
# HAVE_STRCASECMP
# HAVE___ARGZ_COUNT
# HAVE___ARGZ_NEXT
# HAVE___ARGZ_STRINGIFY
# HAVE___FSETLOCKING
# HAVE_GETCWD
# HAVE_STRTOUL
# HAVE_STRCASECMP
# HAVE_STRDUP
# HAVE_TSEARCH
# Check functions
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),
('putenv', 'HAVE_PUTENV', 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),
('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)
]
# HAVE_ASPRINTF
# HAVE_WPRINTF
# HAVE_SNPRINTF
# HAVE_POSIX_PRINTF
# HAVE_FCNTL
for func in functions:
utils.addToConfig("/* Define to 1 if you have the `%s' function. */" % func[0], newline=1)
if conf.CheckFunc(func[0], header=func[2]):
utils.addToConfig('#define %s 1' % func[1])
else:
utils.addToConfig('/* #undef %s */' % func[1])
env_functions = [
('asprintf', 'HAVE_ASPRINTF'),
('wprintf', 'HAVE_WPRINTF'),
('snprintf', 'HAVE_SNPRINTF'),
('printf', 'HAVE_POSIX_PRINTF'),
('fcntl', 'HAVE_FCNTL')
]
for func in env_functions:
utils.addToConfig("/* Define to 1 if you have the `%s' function. */" % func[0], newline=1)
if conf.CheckFunc(func[0]):
utils.addToConfig('#define %s 1' % func[1])
env[func[1]] = 1
else:
utils.addToConfig('/* #undef %s */' % func[1])
env[func[1]] = 0
# HAVE_INTMAX_T
# HAVE_INTTYPES_H_WITH_UINTMAX
# HAVE_DECL_ISTREAMBUF_ITERATOR
utils.addToConfig("/* Define to 1 if you have the `intmax_t' type. */", newline=1)
if conf.CheckType('intmax_t', includes='#include <stdint.h>') or \
conf.CheckType('intmax_t', includes='#include <inttypes.h>'):
utils.addToConfig('#define HAVE_INTMAX_T 1')
else:
utils.addToConfig('/* #undef HAVE_INTMAX_T */')
# HAVE_INTMAX_T
# HAVE_LONG_DOUBLE
# HAVE_LONG_LONG
# HAVE_WCHAR_T
# HAVE_WINT_T
# HAVE_INTTYPES_H_WITH_UINTMAX
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>'),
('std::istreambuf_iterator<std::istream>', 'HAVE_DECL_ISTREAMBUF_ITERATOR',
'#include <streambuf>\n#include <istream>')
]
for t in types:
utils.addToConfig("/* Define to 1 if you have the `%s' type. */" % t[0], newline=1)
if conf.CheckType(t[0], includes=t[2]):
utils.addToConfig('#define %s 1' % t[1])
else:
utils.addToConfig('/* #undef %s */' % t[1])
# windows/msvc sys/types.h does not have pid_t
# FIXME: #include <windows.h> is the right way?
if not conf.CheckType('pid_t', includes='#include <sys/types.h>'):
utils.addToConfig('#define pid_t int')
# determine the use of std::tolower or tolower
if conf.CheckCXXGlobalCstd():
utils.addToConfig('#define CXX_GLOBAL_CSTD 1')
else:
utils.addToConfig('/* #undef CXX_GLOBAL_CSTD */')
# PACKAGE
# PACKAGE_VERSION
# DEVEL_VERSION
utils.addToConfig('#define PACKAGE "%s%s"' % (PACKAGE, env['PROGRAM_SUFFIX']))
utils.addToConfig('#define PACKAGE_VERSION "%s"' % PACKAGE_VERSION)
if DEVEL_VERSION:
utils.addToConfig('#define DEVEL_VERSION 1')
# ENABLE_ASSERTIONS
# ENABLE_NLS
# WITH_WARNINGS
# _GLIBCXX_CONCEPT_CHECKS
# items are (ENV, ARGUMENTS)
values = [
('ENABLE_ASSERTIONS', 'assertions'),
('ENABLE_NLS', 'nls'),
('WITH_WARNINGS', 'warnings'),
('_GLIBCXX_CONCEPT_CHECKS', 'concept_checks'),
]
for val in values:
if (env.has_key(val[0]) and env[val[0]]) or \
(env.has_key(val[1]) and env[val[1]]):
utils.addToConfig('#define %s 1' % val[0])
else:
utils.addToConfig('/* #undef %s */' % val[0])
# disable automatic linking of boost libraries.
# This is an interesting feature that is supposed to be useful under
# windows but since I can not find a way to use it on all platforms,
# I disable it for now.
utils.addToConfig('#define BOOST_ALL_NO_LIB 1')
env['EXTRA_LIBS'] = []
# HAVE_LIBAIKSAURUS
# AIKSAURUS_H_LOCATION
if conf.CheckLib('Aiksaurus'):
utils.addToConfig("#define HAVE_LIBAIKSAURUS 1")
if (conf.CheckCXXHeader("Aiksaurus.h")):
utils.addToConfig("#define AIKSAURUS_H_LOCATION <Aiksaurus.h>")
elif (conf.CheckCXXHeader("Aiksaurus/Aiksaurus.h")):
utils.addToConfig("#define AIKSAURUS_H_LOCATION <Aiksaurus/Aiksaurus.h>")
else:
utils.addToConfig("#define AIKSAURUS_H_LOCATION")
env['EXTRA_LIBS'].append('Aiksaurus')
# USE_ASPELL
# USE_PSPELL
# USE_ISPELL
# determine headers to use
spell_engine = ARGUMENTS.get('spell', 'auto')
spell_detected = False
if spell_engine in ['auto', 'aspell'] and \
conf.CheckLib('aspell'):
utils.addToConfig('#define USE_ASPELL 1')
env['USE_ASPELL'] = True
env['USE_PSPELL'] = False
env['USE_ISPELL'] = False
env['EXTRA_LIBS'].append('aspell')
spell_detected = True
elif spell_engine in ['auto', 'pspell'] and \
conf.CheckLib('pspell'):
utils.addToConfig('#define USE_PSPELL 1')
env['USE_ASPELL'] = False
env['USE_PSPELL'] = True
env['USE_ISPELL'] = False
env['EXTRA_LIBS'].append('pspell')
spell_detected = True
elif spell_engine in ['auto', 'ispell'] and \
conf.CheckLib('ispell'):
utils.addToConfig('#define USE_ISPELL 1')
env['USE_ASPELL'] = False
env['USE_PSPELL'] = False
env['USE_ISPELL'] = True
env['EXTRA_LIBS'].append('ispell')
spell_detected = True
if not spell_detected:
env['USE_ASPELL'] = False
env['USE_PSPELL'] = False
env['USE_ISPELL'] = False
# FIXME: can lyx work without an spell engine
if spell_engine == 'auto':
print "Warning: Can not locate any spell checker"
else:
print "Warning: Can not locate specified spell checker:", spell_engine
# USE_POSIX_PACKAGING
# USE_MACOSX_PACKAGING
# USE_WINDOWS_PACKAGING
if packaging_method == 'windows':
utils.addToConfig('#define USE_WINDOWS_PACKAGING 1')
elif packaging_method == 'posix':
utils.addToConfig('#define USE_POSIX_PACKAGING 1')
elif packaging_method == 'mac':
utils.addToConfig('#define USE_MACOSX_PACKAGING 1')
# BOOST_POSIX
if boost_posix:
utils.addToConfig('#define BOOST_POSIX 1')
else:
utils.addToConfig('/* #undef BOOST_POSIX */')
# MKDIR_TAKES_ONE_ARG
if conf.CheckMkdirOneArg():
utils.addToConfig('#define MKDIR_TAKES_ONE_ARG 1')
else:
utils.addToConfig('/* #undef MKDIR_TAKES_ONE_ARG */')
# SELECT_TYPE_ARG1
# SELECT_TYPE_ARG234
# SELECT_TYPE_ARG5
(arg1, arg234, arg5) = conf.CheckSelectArgType()
utils.addToConfig('#define SELECT_TYPE_ARG1 %s' % arg1)
utils.addToConfig('#define SELECT_TYPE_ARG234 %s' % arg234)
utils.addToConfig('#define SELECT_TYPE_ARG5 %s' % arg5)
# mkstemp
# USE_BOOST_FORMAT
# WANT_GETFILEATTRIBUTESEX_WRAPPER
utils.endConfigH(TOP_SRC_DIR)
# env['EXTRA_LIBS'] will be modified later, so a unique copy is needed
# NOTE that we do *not* save qt_libs in environment.
env_cache['EXTRA_LIBS'] = copy.copy(env['EXTRA_LIBS'])
env_cache['USE_ASPELL'] = env['USE_ASPELL']
env_cache['USE_PSPELL'] = env['USE_PSPELL']
env_cache['USE_ISPELL'] = env['USE_ISPELL']
env_cache['HAVE_ASPRINTF'] = env['HAVE_ASPRINTF']
env_cache['HAVE_WPRINTF'] = env['HAVE_WPRINTF']
env_cache['HAVE_SNPRINTF'] = env['HAVE_SNPRINTF']
env_cache['HAVE_POSIX_PRINTF'] = env['HAVE_POSIX_PRINTF']
env_cache['HAVE_FCNTL'] = env['HAVE_FCNTL']
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
env['EXTRA_LIBS'] = copy.copy(env_cache['EXTRA_LIBS'])
env['USE_ASPELL'] = env_cache['USE_ASPELL']
env['USE_PSPELL'] = env_cache['USE_PSPELL']
env['USE_ISPELL'] = env_cache['USE_ISPELL']
env['HAVE_ASPRINTF'] = env_cache['HAVE_ASPRINTF']
env['HAVE_WPRINTF'] = env_cache['HAVE_WPRINTF']
env['HAVE_SNPRINTF'] = env_cache['HAVE_SNPRINTF']
env['HAVE_POSIX_PRINTF'] = env_cache['HAVE_POSIX_PRINTF']
env['HAVE_FCNTL'] = env_cache['HAVE_FCNTL']
#
# Finish auto-configuration
env = conf.Finish()
#----------------------------------------------------------
# Now set up our build process accordingly
#----------------------------------------------------------
#
# QT_LIB etc (EXTRA_LIBS holds lib for each frontend)
#
# NOTE: Tool('qt') or Tool('qt4') will be loaded later
# in their respective directory and specialized env.
try:
if frontend == 'qt3':
# note: env.Tool('qt') my set QT_LIB to qt
env['QT_LIB'] = 'qt-mt'
env['EXTRA_LIBS'].append('qt-mt')
if platform_name == 'cygwin' and use_X11:
env['EXTRA_LIBS'].extend(['GL', 'Xmu', 'Xi', 'Xrender', 'Xrandr', 'Xcursor',
'Xft', 'freetype', 'fontconfig', 'Xext', 'X11', 'SM', 'ICE', 'resolv',
'pthread'])
env.AppendUnique(LIBPATH = ['/usr/X11R6/lib'])
elif frontend == 'qt4':
if platform_name == "win32":
env['QT_LIB'] = ['QtCore4', 'QtGui4']
else:
env['QT_LIB'] = ['QtCore', 'QtGui']
env['EXTRA_LIBS'] += env['QT_LIB']
except:
print "Can not locate qt tools"
print "What I get is "
print " QTDIR: ", env['QTDIR']
if platform_name in ['win32', 'cygwin']:
# the final link step needs stdc++ to succeed under mingw
# FIXME: shouldn't g++ automatically link to stdc++?
env['SYSTEM_LIBS'] = ['shlwapi', 'z']
if use_vc:
env['SYSTEM_LIBS'].extend(['gdi32', 'shell32', 'advapi32'])
else:
env['SYSTEM_LIBS'].append('stdc++')
else:
env['SYSTEM_LIBS'] = ['z']
#
# Build parameters CPPPATH etc
#
# boost is always in, src is needed for config.h
#
# QT_INC_PATH is not needed for *every* source file
env['CPPPATH'].remove(env['QT_INC_PATH'])
env['CPPPATH'] += ['$TOP_SRC_DIR/boost', '$TOP_SRC_DIR/src']
# TODO: add (more) appropriate compiling options (-DNDEBUG etc)
# for debug/release mode
if ARGUMENTS.get('mode', default_build_mode) == 'debug':
env.AppendUnique(CCFLAGS = [])
else:
env.AppendUnique(CCFLAGS = [])
#
# Customized builders
#
# install customized builders
env['BUILDERS']['substFile'] = Builder(action = utils.env_subst)
#
# A Link script for cygwin see
# http://www.cygwin.com/ml/cygwin/2004-09/msg01101.html
# http://www.cygwin.com/ml/cygwin-apps/2004-09/msg00309.html
# for details
#
if platform_name == 'cygwin':
ld_script_path = '/usr/lib/qt3/mkspecs/cygwin-g++'
ld_script = utils.installCygwinLDScript(ld_script_path)
env.AppendUnique(LINKFLAGS = ['-Wl,--enable-runtime-pseudo-reloc',
'-Wl,--script,%s' % ld_script, '-Wl,-s'])
#
# Report results
#
# src/support/package.C.in needs the following to replace
# LYX_ABS_INSTALLED_DATADIR (e.g. /usr/local/lyx/share/lyx)
env['LYX_DIR'] = env['SHARE_DIR']
# LYX_ABS_INSTALLED_LOCALEDIR
env['LOCALEDIR'] = env['LOCALE_DIR']
env['TOP_SRCDIR'] = env['TOP_SRC_DIR']
# needed by src/version.C.in => src/version.C
env['PACKAGE_VERSION'] = PACKAGE_VERSION
# fill in the version info
env['VERSION_INFO'] = '''Configuration
Host type: %s
Special build flags: %s
C Compiler: %s
C Compiler flags: %s %s
C++ Compiler: %s
C++ Compiler LyX flags: %s
C++ Compiler flags: %s %s
Linker flags: %s
Linker user flags: %s
Build info:
Builing directory: %s
Local library directory: %s
Libraries pathes: %s
Boost libraries: %s
Extra libraries: %s
System libraries: %s
include search path: %s
Frontend:
Frontend: %s
Packaging: %s
LyX dir: %s
LyX binary dir: %s
LyX files dir: %s
''' % (platform_name,
env.subst('$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('$LOCALLIBPATH'),
str(env['LIBPATH']), str(env['BOOST_LIBRARIES']),
str(env['EXTRA_LIBS']), str(env['SYSTEM_LIBS']), str(env['CPPPATH']),
env['frontend'], packaging_method,
env['PREFIX'], env['BIN_DEST_DIR'], env['SHARE_DIR'])
if env['frontend'] in ['qt3', 'qt4']:
env['VERSION_INFO'] += ''' include dir: %s
library dir: %s
X11: %s
''' % (env.subst('$QT_INC_PATH'), env.subst('$QT_LIB_PATH'), use_X11)
if not fast_start:
print env['VERSION_INFO']
#
# Mingw command line may be too short for our link usage,
# Here we use a trick from scons wiki
# http://www.scons.org/cgi-sys/cgiwrap/scons/moin.cgi/LongCmdLinesOnWin32
#
# I also would like to add logging (commands only) capacity to the
# spawn system.
logfile = env.get('logfile', default_log_file)
if logfile != '' or platform_name == 'win32':
import time
utils.setLoggedSpawn(env, logfile, longarg = (platform_name == 'win32'),
info = '''# This is a log of commands used by scons to build lyx
# Time: %s
# Command: %s
# Info: %s
''' % (time.asctime(), ' '.join(sys.argv),
env['VERSION_INFO'].replace('\n','\n# ')) )
#
# Cleanup stuff
#
# -h will print out help info
Help(opts.GenerateHelpText(env))
# save environment settings (for fast_start option)
cache_file = open(env_cache_file, 'w')
cPickle.dump(env_cache, cache_file)
cache_file.close()
#----------------------------------------------------------
# Start building
#----------------------------------------------------------
Export('env')
# this has been the source of problems on some platforms...
# I find that I need to supply it with full path name
env.SConsignFile(os.path.join(Dir(env['BUILDDIR']).abspath, '.sconsign'))
# this usage needs further investigation.
#env.CacheDir('%s/Cache/%s' % (env['BUILDDIR'], frontend))
env['BUILD_TARGETS'] = BUILD_TARGETS
if env.has_key('rebuild'):
env['REBUILD_TARGETS'] = env['rebuild'].split(',')
else:
env['REBUILD_TARGETS'] = None
print "Building all targets recursively"
env.SConscript('$SCONS_DIR/SConscript', duplicate = 0)
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