ardour/SConstruct

# -*- python -*-

import os
import sys
import re
import shutil
import glob
import errno
import time
import SCons.Node.FS

SConsignFile()
EnsureSConsVersion(0, 96)

version = '1.9beta1'

subst_dict = { }

#
# Command-line options
#

opts = Options('scache.conf')
opts.AddOptions(
    BoolOption('ALTIVEC', 'Compile using Altivec instructions', 0),
  ('ARCH', 'Set architecture-specific compilation flags by hand (all flags as 1 argument)',''),
    BoolOption('SYSLIBS', 'USE AT YOUR OWN RISK: CANCELS ALL SUPPORT FROM ARDOUR AUTHORS: Use existing system versions of various libraries instead of internal ones', 0),
    BoolOption('DEBUG', 'Set to build with debugging information and no optimizations', 0),
    PathOption('DESTDIR', 'Set the intermediate install "prefix"', '/'),
    BoolOption('DEVBUILD', 'Use shared libardour (developers only)', 0),
    BoolOption('SIGCCVSBUILD', 'Use if building sigc++ with a new configure.ac (developers only)', 0),
    BoolOption('GTK', 'Build the GTK (graphical) version of Ardour', 1),
    BoolOption('KSI', 'Build the KSI (text) version of Ardour', 0),
    BoolOption('NLS', 'Set to turn on i18n support', 1),
    BoolOption('NOARCH', 'Do not use architecture-specific compilation flags', 0),
    PathOption('PREFIX', 'Set the install "prefix"', '/usr/local'),
    BoolOption('VST', 'Compile with support for VST', 0),
    BoolOption('VERSIONED', 'Add version information to ardour/gtk executable name inside the build directory', 0),
    BoolOption('USE_SSE_EVERYWHERE', 'Ask the compiler to use x86/SSE instructions and also our hand-written x86/SSE optimizations when possible (off by default)', 0),
    BoolOption('BUILD_SSE_OPTIMIZATIONS', 'Use our hand-written x86/SSE optimizations when possible (off by default)', 0),
    BoolOption('BUILD_VECLIB_OPTIMIZATIONS', 'Build with Apple Accelerate/vecLib optimizations when possible (off by default)', 0)
  )


#----------------------------------------------------------------------
# a handy helper that provides a way to merge compile/link information
# from multiple different "environments"
#----------------------------------------------------------------------
#
class LibraryInfo(Environment):
    def __init__(self,*args,**kw):
        Environment.__init__ (self,*args,**kw)
        
    def Merge (self,others):
        for other in others:
            self.Append (LIBS = other.get ('LIBS',[]))
            self.Append (LIBPATH = other.get ('LIBPATH', []))	
            self.Append (CPPPATH = other.get('CPPPATH', []))
            self.Append (LINKFLAGS = other.get('LINKFLAGS', []))


env = LibraryInfo (options = opts,
                   CPPPATH = [ '.' ],
                   VERSION = version,
                   TARBALL='ardour-' + version + '.tar.bz2',
                   DISTFILES = [ ],
                   DISTTREE  = '#ardour-' + version,
                   DISTCHECKDIR = '#ardour-' + version + '/check'
                   )


#----------------------------------------------------------------------
# Builders
#----------------------------------------------------------------------

# Handy subst-in-file builder
# 

def do_subst_in_file(targetfile, sourcefile, dict):
        """Replace all instances of the keys of dict with their values.
        For example, if dict is {'%VERSION%': '1.2345', '%BASE%': 'MyProg'},
        then all instances of %VERSION% in the file will be replaced with 1.2345 etc.
        """
        try:
            f = open(sourcefile, 'rb')
            contents = f.read()
            f.close()
        except:
            raise SCons.Errors.UserError, "Can't read source file %s"%sourcefile
        for (k,v) in dict.items():
            contents = re.sub(k, v, contents)
        try:
            f = open(targetfile, 'wb')
            f.write(contents)
            f.close()
        except:
            raise SCons.Errors.UserError, "Can't write target file %s"%targetfile
        return 0 # success
 
def subst_in_file(target, source, env):
        if not env.has_key('SUBST_DICT'):
            raise SCons.Errors.UserError, "SubstInFile requires SUBST_DICT to be set."
        d = dict(env['SUBST_DICT']) # copy it
        for (k,v) in d.items():
            if callable(v):
                d[k] = env.subst(v())
            elif SCons.Util.is_String(v):
                d[k]=env.subst(v)
            else:
                raise SCons.Errors.UserError, "SubstInFile: key %s: %s must be a string or callable"%(k, repr(v))
        for (t,s) in zip(target, source):
            return do_subst_in_file(str(t), str(s), d)
 
def subst_in_file_string(target, source, env):
        """This is what gets printed on the console."""
        return '\n'.join(['Substituting vars from %s into %s'%(str(s), str(t))
                          for (t,s) in zip(target, source)])
 
def subst_emitter(target, source, env):
        """Add dependency from substituted SUBST_DICT to target.
        Returns original target, source tuple unchanged.
        """
        d = env['SUBST_DICT'].copy() # copy it
        for (k,v) in d.items():
            if callable(v):
                d[k] = env.subst(v())
            elif SCons.Util.is_String(v):
                d[k]=env.subst(v)
        Depends(target, SCons.Node.Python.Value(d))
        # Depends(target, source) # this doesn't help the install-sapphire-linux.sh problem
        return target, source
 
subst_action = Action (subst_in_file, subst_in_file_string)
env['BUILDERS']['SubstInFile'] = Builder(action=subst_action, emitter=subst_emitter)

#
# internationalization
#

# po_helper
#
# this is not a builder. we can't list the .po files as a target,
# because then scons -c will remove them (even Precious doesn't alter
# this). this function is called whenever a .mo file is being
# built, and will conditionally update the .po file if necessary.
#

def po_helper(po,pot):
    args = [ 'msgmerge',
             '--update',
             po,
             pot,
             ]
    print 'Updating ' + po
    return os.spawnvp (os.P_WAIT, 'msgmerge', args)

# mo_builder: builder function for (binary) message catalogs (.mo)
#
# first source:  .po file
# second source: .pot file
#

def mo_builder(target,source,env):
    po_helper (source[0].get_path(), source[1].get_path())
    args = [ 'msgfmt',
             '-c',
             '-o',
             target[0].get_path(),
             source[0].get_path()
             ]
    return os.spawnvp (os.P_WAIT, 'msgfmt', args)

mo_bld = Builder (action = mo_builder)
env.Append(BUILDERS = {'MoBuild' : mo_bld})

# pot_builder: builder function for message templates (.pot)
#
# source: list of C/C++ etc. files to extract messages from
#

def pot_builder(target,source,env):
    args = [ 'xgettext', 
             '--keyword=_',
             '--keyword=N_',
             '--from-code=UTF-8',
             '-o', target[0].get_path(), 
             "--default-domain=" + env['PACKAGE'],
             '--copyright-holder="Paul Davis"' ]
    args += [ src.get_path() for src in source ]

    return os.spawnvp (os.P_WAIT, 'xgettext', args)

pot_bld = Builder (action = pot_builder)
env.Append(BUILDERS = {'PotBuild' : pot_bld})

#
# utility function, not a builder
#

def i18n (buildenv, sources, installenv):
    domain = buildenv['PACKAGE']
    potfile = buildenv['POTFILE']

    installenv.Alias ('potupdate', buildenv.PotBuild (potfile, sources))

    p_oze = [ os.path.basename (po) for po in glob.glob ('po/*.po') ]
    languages = [ po.replace ('.po', '') for po in p_oze ]
    m_oze = [ po.replace (".po", ".mo") for po in p_oze ]
    
    for mo in m_oze[:]:
        po = 'po/' + mo.replace (".mo", ".po")
        installenv.Alias ('install', buildenv.MoBuild (mo, [ po, potfile ]))
        
    for lang in languages[:]:
        modir = (os.path.join (install_prefix, 'share/locale/' + lang + '/LC_MESSAGES/'))
        moname = domain + '.mo'
        installenv.Alias('install', installenv.InstallAs (os.path.join (modir, moname), lang + '.mo'))

#
# A generic builder for version.cc files
# 
# note: requires that DOMAIN, MAJOR, MINOR, MICRO are set in the construction environment
# note: assumes one source files, the header that declares the version variables
# 
def version_builder (target, source, env):
   text  = "int " + env['DOMAIN'] + "_major_version = " + str (env['MAJOR']) + ";\n"
   text += "int " + env['DOMAIN'] + "_minor_version = " + str (env['MINOR']) + ";\n"
   text += "int " + env['DOMAIN'] + "_micro_version = " + str (env['MICRO']) + ";\n"

   try:
      o = file (target[0].get_path(), 'w')
      o.write (text)
      o.close ();
   except IOError:
      print "Could not open", target[0].get_path(), " for writing\n"
      sys.exit (-1)

   text  = "#ifndef __" + env['DOMAIN'] + "_version_h__\n";
   text += "#define __" + env['DOMAIN'] + "_version_h__\n";
   text += "extern int " + env['DOMAIN'] + "_major_version;\n"
   text += "extern int " + env['DOMAIN'] + "_minor_version;\n"
   text += "extern int " + env['DOMAIN'] + "_micro_version;\n"
   text += "#endif /* __" + env['DOMAIN'] + "_version_h__ */\n";

   try:
      o = file (target[1].get_path(), 'w')
      o.write (text)
      o.close ();
   except IOError:
      print "Could not open", target[1].get_path(), " for writing\n"
      sys.exit (-1)
  
   return None

version_bld = Builder (action = version_builder)
env.Append (BUILDERS = {'VersionBuild' : version_bld})

#
# a builder that makes a hard link from the 'source' executable to a name with
# a "build ID" based on the most recent CVS activity that might be reasonably
# related to version activity. this relies on the idea that the SConscript
# file that builds the executable is updated with new version info and committed
# to the source code repository whenever things change.
#

def versioned_builder(target,source,env):
    # build ID is composed of a representation of the date of the last CVS transaction
    # for this (SConscript) file
    
    try:
        o = file (source[0].get_dir().get_path() +  '/CVS/Entries', "r")
    except IOError:
        print "Could not CVS/Entries for reading"
        return -1

    last_date = ""        
    lines = o.readlines()
    for line in lines:
        if line[0:12] == '/SConscript/':
            parts = line.split ("/")
            last_date = parts[3]
            break
    o.close ()

    if last_date == "":
        print "No SConscript CVS update info found - versioned executable cannot be built"
        return -1

    tag = time.strftime ('%Y%M%d%H%m', time.strptime (last_date));
    print "The current build ID is " + tag

    tagged_executable = source[0].get_path() + '-' + tag

    if os.path.exists (tagged_executable):
        print "Replacing existing executable with the same build tag."
        os.unlink (tagged_executable)

    return os.link (source[0].get_path(), tagged_executable)

verbuild = Builder (action = versioned_builder)
env.Append (BUILDERS = {'VersionedExecutable' : verbuild})

#
# source tar file builder
#

def distcopy (target, source, env):
    treedir = str (target[0])

    try:
        os.mkdir (treedir)
    except OSError, (errnum, strerror):
        if errnum != errno.EEXIST:
            print 'mkdir ', treedir, ':', strerror

    cmd = 'tar cf - '
    #
    # we don't know what characters might be in the file names
    # so quote them all before passing them to the shell
    #
    all_files = ([ str(s) for s in source ])
    cmd += " ".join ([ "'%s'" % quoted for quoted in all_files])
    cmd += ' | (cd ' + treedir + ' && tar xf -)'
    p = os.popen (cmd)
    return p.close ();

def tarballer (target, source, env):            
    cmd = 'tar -jcf ' + str (target[0]) +  ' ' + str(source[0]) + "  --exclude '*~'"
    print 'running ', cmd, ' ... '
    p = os.popen (cmd)
    return p.close ()

dist_bld = Builder (action = distcopy,
                    target_factory = SCons.Node.FS.default_fs.Entry,
                    source_factory = SCons.Node.FS.default_fs.Entry,
                    multi = 1)

tarball_bld = Builder (action = tarballer,
                       target_factory = SCons.Node.FS.default_fs.Entry,
                       source_factory = SCons.Node.FS.default_fs.Entry)

env.Append (BUILDERS = {'Distribute' : dist_bld})
env.Append (BUILDERS = {'Tarball' : tarball_bld})

# ----------------------------------------------------------------------
# Construction environment setup
# ----------------------------------------------------------------------

libraries = { }

libraries['core'] = LibraryInfo (CPPPATH = [ '#libs'])

libraries['sndfile'] = LibraryInfo()
libraries['sndfile'].ParseConfig('pkg-config --cflags --libs sndfile')

libraries['lrdf'] = LibraryInfo()
libraries['lrdf'].ParseConfig('pkg-config --cflags --libs lrdf')

libraries['raptor'] = LibraryInfo()
libraries['raptor'].ParseConfig('pkg-config --cflags --libs raptor')

libraries['samplerate'] = LibraryInfo()
libraries['samplerate'].ParseConfig('pkg-config --cflags --libs samplerate')

libraries['jack'] = LibraryInfo()
libraries['jack'].ParseConfig('pkg-config --cflags --libs jack')

libraries['xml'] = LibraryInfo()
libraries['xml'].ParseConfig('pkg-config --cflags --libs libxml-2.0')

libraries['libart'] = LibraryInfo()
libraries['libart'].ParseConfig('pkg-config --cflags --libs libart-2.0')

libraries['gtk'] = LibraryInfo()
libraries['gtk'].ParseConfig ('gtk-config --cflags --libs')

libraries['glib'] = LibraryInfo()
libraries['glib'].ParseConfig ('glib-config --cflags --libs')

libraries['ardour'] = LibraryInfo (LIBS='ardour', LIBPATH='#libs/ardour', CPPPATH='#libs/ardour')
libraries['midi++'] = LibraryInfo (LIBS='midi++', LIBPATH='#libs/midi++', CPPPATH='#libs/midi++')
libraries['pbd']    = LibraryInfo (LIBS='pbd', LIBPATH='#libs/pbd', CPPPATH='#libs/pbd')
libraries['gtkmmext'] = LibraryInfo (LIBS='gtkmmext', LIBPATH='#libs/gtkmmext', CPPPATH='#libs/gtkmmext')

libraries['fst'] = LibraryInfo()
if env['VST']:
    libraries['fst'].ParseConfig('pkg-config --cflags --libs libfst')

#
# Audio/MIDI library (needed for MIDI, since audio is all handled via JACK)
# 

conf = Configure(env)

if conf.CheckCHeader('alsa/asoundlib.h'):
    libraries['sysmidi'] = LibraryInfo (LIBS='asound')
    env['SYSMIDI'] = 'ALSA Sequencer'
    subst_dict['%MIDITAG%'] = "seq"
    subst_dict['%MIDITYPE%'] = "alsa/sequencer"
elif conf.CheckCHeader('/System/Library/Frameworks/CoreMIDI.framework/Headers/CoreMIDI.h'):
    # this line is needed because scons can't handle -framework in ParseConfig() yet.
    libraries['sysmidi'] = LibraryInfo (LINKFLAGS= '-framework CoreMIDI -framework CoreFoundation -framework CoreAudio -framework CoreServices -framework AudioUnit -bind_at_load')
    env['SYSMIDI'] = 'CoreMIDI'
    subst_dict['%MIDITAG%'] = "ardour"
    subst_dict['%MIDITYPE%'] = "coremidi"

env = conf.Finish()

if env['SYSLIBS']:

    libraries['sigc'] = LibraryInfo()
    libraries['sigc'].ParseConfig('sigc-config --cflags --libs')

    libraries['gtkmm'] = LibraryInfo()
    libraries['gtkmm'].ParseConfig ('gtkmm-config --cflags --libs')

    libraries['soundtouch'] = LibraryInfo(LIBS='SoundTouch')
    libraries['gtk-canvas'] = LibraryInfo(LIBS='gtk-canvas')

    coredirs = [
        'templates'
    ]

    subdirs = [
        'libs/pbd',
        'libs/midi++',
        'libs/ardour',
        'templates'
        ]

    gtk_subdirs = [
        'libs/gtkmmext',
        'gtk_ardour',
        ]

else:
    libraries['sigc'] = LibraryInfo(LIBS='sigc++',
                                    LIBPATH='#libs/sigc++',
                                    CPPPATH=['#libs/sigc++', '#libs/sigc++/sigc++/config'])
    libraries['gtkmm'] = LibraryInfo(LIBS='gtkmm',
                                     LIBPATH="#libs/gtkmm",
                                     CPPPATH=[ '#libs/gtkmm', '#libs/gtkmm/gdk--', '#libs/gtkmm/src'])
    libraries['soundtouch'] = LibraryInfo(LIBS='soundtouch',
                                          LIBPATH='#libs/soundtouch',
                                          CPPPATH=['#libs', '#libs/soundtouch'])
    libraries['gtk-canvas'] = LibraryInfo(LIBS='gtk-canvas',
                                          LIBPATH='#libs/gtk-canvas',
                                          CPPPATH='#libs/gtk-canvas')

    coredirs = [
        'libs/soundtouch',
        'templates'
    ]

    subdirs = [
        'libs/sigc++',
        'libs/pbd',
        'libs/midi++',
        'libs/ardour'
        ]

    gtk_subdirs = [
        'libs/gtkmm',
        'libs/gtkmmext',
	'libs/gtk-canvas',
        'gtk_ardour',
        ]

opts.Save('scache.conf', env)
Help(opts.GenerateHelpText(env))

if os.environ.has_key('PATH'):
    env.Append(PATH = os.environ['PATH'])

if os.environ.has_key('PKG_CONFIG_PATH'):
    env.Append(PKG_CONFIG_PATH = os.environ['PKG_CONFIG_PATH'])

if os.environ.has_key('CC'):
    env['CC'] = os.environ['CC']

if os.environ.has_key('CXX'):
    env['CXX'] = os.environ['CXX']

if os.environ.has_key('DISTCC_HOSTS'):
    env['ENV']['DISTCC_HOSTS'] = os.environ['DISTCC_HOSTS']
    env['ENV']['HOME'] = os.environ['HOME']
    
final_prefix = '$PREFIX'
install_prefix = '$DESTDIR/$PREFIX'

if env['PREFIX'] == '/usr':
    final_config_prefix = '/etc'
else:
    final_config_prefix = env['PREFIX'] + '/etc'

config_prefix = '$DESTDIR' + final_config_prefix

#
# Compiler flags and other system-dependent stuff
#

opt_flags = []
debug_flags = [ '-g' ]

# guess at the platform, used to define compiler flags

config_guess = os.popen("tools/config.guess").read()[:-1]

config_cpu = 0;
config_arch = 1;
config_kernel = 2;
config_os = 3;
config = config_guess.split ("-")

#
# on OS X darwinports puts things in /opt/local by default
#
if config[config_arch] == 'apple':
    if os.path.isdir('/opt/local/lib'):
        libraries['core'].Append (LIBPATH = [ '/opt/local/lib' ])
    if os.path.isdir('/opt/local/include'):
        libraries['core'].Append (CPPPATH = [ '/opt/local/include' ])

    if env['BUILD_VECLIB_OPTIMIZATIONS'] == 1:
        opt_flags.append ("-DBUILD_VECLIB_OPTIMIZATIONS")
        debug_flags.append ("-DBUILD_VECLIB_OPTIMIZATIONS")
        libraries['core'].Append(LINKFLAGS= '-framework Accelerate')


if config[config_cpu] == 'powerpc':
    #
    # Apple/PowerPC optimization options
    #
    # -mcpu=7450 does not reliably work with gcc 3.*
    #
    if env['NOARCH'] == 0:
        if env['ALTIVEC'] == 1:
	    if config[config_arch] == 'apple':
                opt_flags.extend ([ "-mcpu=7450", "-faltivec"])
            else:
	        opt_flags.extend ([ "-mcpu=7400", "-maltivec", "-mabi=altivec"]) 
	else:
            opt_flags.extend([ "-mcpu=750", "-mmultiple" ])
        opt_flags.extend (["-mhard-float", "-mpowerpc-gfxopt"])

elif ((re.search ("i[0-9]86", config[config_cpu]) != None) or (re.search ("x86_64", config[config_cpu]) != None)):

    build_host_supports_sse = 0
    
    if env['NOARCH'] == 0:

        debug_flags.append ("-DARCH_X86")
        opt_flags.append ("-DARCH_X86")

        if config[config_kernel] == 'linux' :

            flag_line = os.popen ("cat /proc/cpuinfo | grep '^flags'").read()[:-1]
            x86_flags = flag_line.split (": ")[1:][0].split (' ')

            if "mmx" in x86_flags:
                opt_flags.append ("-mmmx")
            if "sse" in x86_flags:
	        build_host_supports_sse = 1
            if "3dnow" in x86_flags:
                opt_flags.append ("-m3dnow")

            if config[config_cpu] == "i586":
                opt_flags.append ("-march=i586")
            elif config[config_cpu] == "i686":
                opt_flags.append ("-march=i686")

        if env['USE_SSE_EVERYWHERE'] == 1:
                opt_flags.extend (["-msse", "-mfpmath=sse"])
                debug_flags.extend (["-msse", "-mfpmath=sse"])
                if build_host_supports_sse != 1:
                    print "\nWarning: you are building Ardour with SSE support even though your system does not support these instructions. (This may not be an error, especially if you are a package maintainer)"

        if env['BUILD_SSE_OPTIMIZATIONS'] == 1:
                opt_flags.append ("-DBUILD_SSE_OPTIMIZATIONS")
                debug_flags.append ("-DBUILD_SSE_OPTIMIZATIONS")
                if build_host_supports_sse != 1:
                    print "\nWarning: you are building Ardour with SSE support even though your system does not support these instructions. (This may not be an error, especially if you are a package maintainer)"
                    
# end of processor-specific section

#
# ARCH="..." overrides all 
#

if env['ARCH'] != '':
    opt_flags = env['ARCH'].split()

#
# prepend boiler plate optimization flags
#

opt_flags[:0] = [
    "-O3",
    "-fomit-frame-pointer",
    "-ffast-math",
    "-fstrength-reduce"
    ]

if env['DEBUG'] == 1:
    env.Append(CCFLAGS=" ".join (debug_flags))
else:
    env.Append(CCFLAGS=" ".join (opt_flags))

env.Append(CCFLAGS="-Wall")

if env['VST']:
    env.Append(CCFLAGS="-DVST_SUPPORT")


#
# everybody needs this
#

env.Merge ([ libraries['core'] ])

#
# i18n support 
#

conf = Configure (env)

if env['NLS']:
    print 'Checking for internationalization support ...'
    have_gettext = conf.TryAction(Action('xgettext --version'))
    if have_gettext[0] != 1:
        print 'This system is not configured for internationalized applications (no xgettext command). An english-only version will be built\n'
        env['NLS'] = 0
        
    if conf.CheckCHeader('libintl.h') == None:
        print 'This system is not configured for internationalized applications (no libintl.h). An english-only version will be built\n'
        env['NLS'] = 0


env = conf.Finish()

if env['NLS'] == 1:
    env.Append(CCFLAGS="-DENABLE_NLS")


Export('env install_prefix final_prefix config_prefix final_config_prefix libraries i18n version subst_dict')

#
# the configuration file may be system dependent
#

conf = env.Configure ()

if conf.CheckCHeader('/System/Library/Frameworks/CoreAudio.framework/Versions/A/Headers/CoreAudio.h'):
    subst_dict['%JACK_INPUT%'] = "coreaudio:Built-in Audio:in"
    subst_dict['%JACK_OUTPUT%'] = "coreaudio:Built-in Audio:out"
else:
    subst_dict['%JACK_INPUT%'] = "alsa_pcm:playback_"
    subst_dict['%JACK_OUTPUT%'] = "alsa_pcm:capture_"

# posix_memalign available
if not conf.CheckFunc('posix_memalign'):
    print 'Did not find posix_memalign(), using malloc'
    env.Append(CCFLAGS='-DNO_POSIX_MEMALIGN')


env = conf.Finish()

rcbuild = env.SubstInFile ('ardour.rc','ardour.rc.in', SUBST_DICT = subst_dict)

env.Alias('install', env.Install(os.path.join(config_prefix, 'ardour'), 'ardour_system.rc'))
env.Alias('install', env.Install(os.path.join(config_prefix, 'ardour'), 'ardour.rc'))

Default (rcbuild)

# source tarball

Precious (env['DISTTREE'])

#
# note the special "cleanfirst" source name. this triggers removal
# of the existing disttree
#

env.Distribute (env['DISTTREE'],
                [ 'SConstruct',
                  'COPYING', 'PACKAGER_README', 'README',
                  'ardour.rc.in',
                  'ardour_system.rc',
                  'tools/config.guess'
                  ] +
                glob.glob ('DOCUMENTATION/AUTHORS*') +
                glob.glob ('DOCUMENTATION/CONTRIBUTORS*') +
                glob.glob ('DOCUMENTATION/TRANSLATORS*') +
                glob.glob ('DOCUMENTATION/BUILD*') +
                glob.glob ('DOCUMENTATION/FAQ*') +
                glob.glob ('DOCUMENTATION/README*')
                )
                
srcdist = env.Tarball(env['TARBALL'], env['DISTTREE'])
env.Alias ('srctar', srcdist)
#
# don't leave the distree around 
#
env.AddPreAction (env['DISTTREE'], Action ('rm -rf ' + str (File (env['DISTTREE']))))
env.AddPostAction (srcdist, Action ('rm -rf ' + str (File (env['DISTTREE']))))

#
# the subdirs
# 

for subdir in coredirs:
    SConscript (subdir + '/SConscript')

if env['GTK'] or env['KSI']:
    for subdir in subdirs:
        SConscript (subdir + '/SConscript')

if env['GTK'] or 'tarball' in COMMAND_LINE_TARGETS:
    for subdir in gtk_subdirs:
        SConscript (subdir + '/SConscript')

if env['KSI'] or 'tarball' in COMMAND_LINE_TARGETS:
    SConscript ('ksi_ardour/SConscript')

# cleanup
env.Clean ('scrub', [ 'scache.conf', '.sconf_temp', '.sconsign.dblite', 'config.log'])