Merge branch 'master' into windows
[ardour.git] / wscript
diff --git a/wscript b/wscript
index 54e9f075d96b68b1b739456a16ccf3d4a8e6fee4..559f99d9e39cab8b9d0282f3ba980b29f3b5e02b 100644 (file)
--- a/wscript
+++ b/wscript
@@ -7,18 +7,11 @@ import string
 import subprocess
 import sys
 
-#
-# build scripts need to find the right platform specific version
-# 
+MAJOR = '3'
+MINOR = '4'
+VERSION = MAJOR + '.' + MINOR
 
-if sys.platform == 'darwin':
-    OSX_VERSION = '3.0beta6'
-    VERSION = '3.0beta6'
-else:
-    LINUX_VERSION = '3.0rc3'
-    VERSION = '3.0rc3'
-
-APPNAME = 'Ardour3'
+APPNAME = 'Ardour' + MAJOR
 
 # Mandatory variables
 top = '.'
@@ -36,17 +29,15 @@ children = [
         'libs/rubberband',
         'libs/surfaces',
         'libs/panners',
+        'libs/backends',
         'libs/timecode',
         'libs/ardour',
         'libs/gtkmm2ext',
-        'libs/clearlooks-newer',
         'libs/audiographer',
         'gtk2_ardour',
-        'templates',
         'export',
         'midi_maps',
         'mcp',
-        'manual',
         'patchfiles'
 ]
 
@@ -56,22 +47,8 @@ i18n_children = [
         'libs/gtkmm2ext',
 ]
 
-if sys.platform == 'linux2':
-    children += [ 'tools/sanity_check' ]
-    lxvst_default = True
-elif sys.platform == 'darwin':
-    children += [ 'libs/appleutility' ]
-    lxvst_default = False
-else:
-    lxvst_default = False
-
 # Version stuff
 
-def fetch_svn_revision (path):
-    cmd = "svnversion | cut -d: -f1"
-    output = subprocess.Popen(cmd, shell=True, stderr=subprocess.STDOUT, stdout=subprocess.PIPE).communicate()[0].decode (sys.getdefaultencoding())
-    return output.rstrip(os.linesep)
-
 def fetch_gcc_version (CC):
     cmd = "LANG= %s --version" % CC
     output = subprocess.Popen(cmd, shell=True, stderr=subprocess.STDOUT, stdout=subprocess.PIPE).communicate()[0].splitlines()
@@ -79,56 +56,33 @@ def fetch_gcc_version (CC):
     version = o.split(' ')[2].split('.')
     return version
 
-def fetch_git_revision (path):
-    cmd = "LANG= git log --abbrev HEAD^..HEAD"
+def fetch_git_revision ():
+    cmd = "LANG= git describe --tags HEAD"
     output = subprocess.Popen(cmd, shell=True, stderr=subprocess.STDOUT, stdout=subprocess.PIPE).communicate()[0].splitlines()
-    o = output[0].decode('utf-8')
-    rev = o.replace ("commit", "git")[0:10]
-    cmd = "LANG= git log --abbrev -n1 --grep 'git-svn-id'"
-    output = subprocess.Popen(cmd, shell=True, stderr=subprocess.STDOUT, stdout=subprocess.PIPE).communicate()[0].splitlines()
-    for line in output:
-        try:
-            if "git-svn-id" in line:
-                line = line.split('@')[1].split(' ')
-                rev = line[0]
-                break
-        except:
-            pass
+    rev = output[0].decode('utf-8')
     return rev
 
-def fetch_bzr_revision (path):
-    cmd = subprocess.Popen("LANG= bzr log -l 1 " + path, stdout=subprocess.PIPE, shell=True)
-    out = cmd.communicate()[0]
-    svn = re.search('^svn revno: [0-9]*', out, re.MULTILINE)
-    str = svn.group(0)
-    chars = 'svnreio: '
-    return string.lstrip(str, chars)
-
 def create_stored_revision():
     rev = ""
-    if os.path.exists('.svn'):
-        rev = fetch_svn_revision('.');
-    elif os.path.exists('.git'):
-        rev = fetch_git_revision('.');
-    elif os.path.exists('.bzr'):
-        rev = fetch_bzr_revision('.');
-        print("Revision: %s", rev)
-    elif os.path.exists('libs/ardour/svn_revision.cc'):
-        print("Using packaged svn revision")
+    if os.path.exists('.git'):
+        rev = fetch_git_revision();
+        print("ardour.git version: " + rev + "\n")
+    elif os.path.exists('libs/ardour/revision.cc'):
+        print("Using packaged revision")
         return
     else:
-        print("Missing libs/ardour/svn_revision.cc.  Blame the packager.")
+        print("Missing libs/ardour/revision.cc.  Blame the packager.")
         sys.exit(-1)
 
     try:
-        text =  '#include "ardour/svn_revision.h"\n'
-        text += 'namespace ARDOUR { const char* svn_revision = \"%s\"; }\n' % rev
-        print('Writing svn revision info to libs/ardour/svn_revision.cc using ' + rev)
-        o = open('libs/ardour/svn_revision.cc', 'w')
+        text =  '#include "ardour/revision.h"\n'
+        text += 'namespace ARDOUR { const char* revision = \"%s\"; }\n' % rev
+        print('Writing revision info to libs/ardour/revision.cc using ' + rev)
+        o = open('libs/ardour/revision.cc', 'w')
         o.write(text)
         o.close()
     except IOError:
-        print('Could not open libs/ardour/svn_revision.cc for writing\n')
+        print('Could not open libs/ardour/revision.cc for writing\n')
         sys.exit(-1)
 
 def set_compiler_flags (conf,opt):
@@ -145,12 +99,31 @@ def set_compiler_flags (conf,opt):
     platform = u[0].lower()
     version = u[2]
 
+    # waf adds -O0 -g itself. thanks waf!
     is_clang = conf.env['CXX'][0].endswith('clang++')
+    
+    if conf.options.cxx11:
+        conf.check_cxx(cxxflags=["-std=c++11"])
+        conf.env.append_unique('CXXFLAGS', ['-std=c++11'])
+        if platform == "darwin":
+            conf.env.append_unique('CXXFLAGS', ['-stdlib=libc++'])
+            conf.env.append_unique('LINKFLAGS', ['-lc++'])
+            # Prevents visibility issues in standard headers
+            conf.define("_DARWIN_C_SOURCE", 1)
+
+    if is_clang and platform == "darwin":
+        # Silence warnings about the non-existing osx clang compiler flags
+        # -compatibility_version and -current_version.  These are Waf
+        # generated and not needed with clang
+        conf.env.append_unique ("CXXFLAGS", ["-Qunused-arguments"])
+        
     if opt.gprofile:
         debug_flags = [ '-pg' ]
-    else:
-        if platform != 'darwin' and not is_clang:
-            debug_flags = [ '-rdynamic' ] # waf adds -O0 -g itself. thanks waf!
+
+    if opt.backtrace:
+        if opt.dist_target == 'auto':
+            if platform != 'darwin' and not is_clang:
+                debug_flags = [ '-rdynamic' ]
 
     # Autodetect
     if opt.dist_target == 'auto':
@@ -273,7 +246,7 @@ def set_compiler_flags (conf,opt):
         print("However, this is tricky and not recommended for beginners.")
         sys.exit (-1)
 
-    if opt.lxvst:
+    if conf.env['LXVST_SUPPORT'] == True:
         if conf.env['build_target'] == 'x86_64':
             conf.env.append_value('CXXFLAGS', "-DLXVST_64BIT")
         else:
@@ -289,10 +262,16 @@ def set_compiler_flags (conf,opt):
         # back to 10.1 if we don't tell it otherwise.
         
         conf.env.append_value('CFLAGS', "-DMAC_OS_X_VERSION_MIN_REQUIRED=1040")
+        conf.env.append_value('CXXFLAGS', "-DMAC_OS_X_VERSION_MIN_REQUIRED=1040")
+        conf.env.append_value('CXXFLAGS', '-mmacosx-version-min=10.4')
+        conf.env.append_value('CFLAGS', '-mmacosx-version-min=10.4')
+
 
     elif conf.env['build_target'] in [ 'lion', 'mountainlion' ]:
         conf.env.append_value('CFLAGS', "-DMAC_OS_X_VERSION_MIN_REQUIRED=1070")
-
+        conf.env.append_value('CXXFLAGS', "-DMAC_OS_X_VERSION_MIN_REQUIRED=1070")
+        conf.env.append_value('CXXFLAGS', '-mmacosx-version-min=10.7')
+        conf.env.append_value('CFLAGS', '-mmacosx-version-min=10.7')
     else:
         conf.define ('IS_OSX', 0)
 
@@ -386,8 +365,12 @@ def set_compiler_flags (conf,opt):
 
     conf.env.append_value('CFLAGS', '-DBOOST_SYSTEM_NO_DEPRECATED')
     conf.env.append_value('CXXFLAGS', '-DBOOST_SYSTEM_NO_DEPRECATED')
+    # need ISOC9X for llabs()
+    conf.env.append_value('CFLAGS', '-D_ISOC9X_SOURCE')
     conf.env.append_value('CFLAGS', '-D_LARGEFILE64_SOURCE')
     conf.env.append_value('CFLAGS', '-D_FILE_OFFSET_BITS=64')
+    # need ISOC9X for llabs()
+    conf.env.append_value('CXXFLAGS', '-D_ISOC9X_SOURCE')
     conf.env.append_value('CXXFLAGS', '-D_LARGEFILE64_SOURCE')
     conf.env.append_value('CXXFLAGS', '-D_FILE_OFFSET_BITS=64')
 
@@ -410,6 +393,8 @@ def options(opt):
                     help='The user-visible name of the program being built')
     opt.add_option('--arch', type='string', action='store', dest='arch',
                     help='Architecture-specific compiler flags')
+    opt.add_option('--backtrace', action='store_true', default=True, dest='backtrace',
+                    help='Compile with -rdynamic -- allow obtaining backtraces from within Ardour')
     opt.add_option('--no-carbon', action='store_true', default=False, dest='nocarbon',
                     help='Compile without support for AU Plugins with only CARBON UI (needed for 64bit)')
     opt.add_option('--boost-sp-debug', action='store_true', default=False, dest='boost_sp_debug',
@@ -417,7 +402,7 @@ def options(opt):
     opt.add_option('--depstack-root', type='string', default='~', dest='depstack_root',
                     help='Directory/folder where dependency stack trees (gtk, a3) can be found (defaults to ~)')
     opt.add_option('--dist-target', type='string', default='auto', dest='dist_target',
-                    help='Specify the target for cross-compiling [auto,none,x86,i386,i686,x86_64,powerpc,tiger,leopard]')
+                    help='Specify the target for cross-compiling [auto,none,x86,i386,i686,x86_64,powerpc,tiger,leopard,mingw]')
     opt.add_option('--fpu-optimization', action='store_true', default=True, dest='fpu_optimization',
                     help='Build runtime checked assembler code (default)')
     opt.add_option('--no-fpu-optimization', action='store_false', dest='fpu_optimization')
@@ -425,20 +410,25 @@ def options(opt):
                     help='Install MIME type, icons and .desktop file as per freedesktop.org standards')
     opt.add_option('--freebie', action='store_true', default=False, dest='freebie',
                     help='Build a version suitable for distribution as a zero-cost binary')
-    opt.add_option('--no-freesound', action='store_false', default=True, dest='freesound',
-                    help='Do not build with Freesound database support')
     opt.add_option('--gprofile', action='store_true', default=False, dest='gprofile',
                     help='Compile for use with gprofile')
+    opt.add_option('--internal-shared-libs', action='store_true', default=True, dest='internal_shared_libs',
+                   help='Build internal libs as shared libraries')
+    opt.add_option('--internal-static-libs', action='store_false', dest='internal_shared_libs',
+                   help='Build internal libs as static libraries')
     opt.add_option('--lv2', action='store_true', default=True, dest='lv2',
                     help='Compile with support for LV2 (if Lilv+Suil is available)')
     opt.add_option('--no-lv2', action='store_false', dest='lv2',
                     help='Do not compile with support for LV2')
-    opt.add_option('--lxvst', action='store_true', default=lxvst_default, dest='lxvst',
+    opt.add_option('--lxvst', action='store_true', default=True, dest='lxvst',
                     help='Compile with support for linuxVST plugins')
     opt.add_option('--nls', action='store_true', default=True, dest='nls',
                     help='Enable i18n (native language support) (default)')
     opt.add_option('--no-nls', action='store_false', dest='nls')
-    opt.add_option('--phone-home', action='store_false', default=False, dest='phone_home')
+    opt.add_option('--phone-home', action='store_true', default=True, dest='phone_home',
+                   help='Contact ardour.org at startup for new announcements')
+    opt.add_option('--no-phone-home', action='store_false', dest='phone_home',
+                   help='Do not contact ardour.org at startup for new announcements')
     opt.add_option('--stl-debug', action='store_true', default=False, dest='stl_debug',
                     help='Build with debugging for the STL')
     opt.add_option('--rt-alloc-debug', action='store_true', default=False, dest='rt_alloc_debug',
@@ -449,6 +439,8 @@ def options(opt):
                     help='Raise a floating point exception if a denormal is detected')
     opt.add_option('--test', action='store_true', default=False, dest='build_tests',
                     help="Build unit tests")
+    opt.add_option('--single-tests', action='store_true', default=False, dest='single_tests',
+                    help="Build a single executable for each unit test")
     #opt.add_option('--tranzport', action='store_true', default=False, dest='tranzport',
     # help='Compile with support for Frontier Designs Tranzport (if libusb is available)')
     opt.add_option('--universal', action='store_true', default=False, dest='universal',
@@ -472,6 +464,8 @@ def options(opt):
                     help='directory where Wine\'s Windows header files can be found')
     opt.add_option('--noconfirm', action='store_true', default=False, dest='noconfirm',
                     help='Do not ask questions that require confirmation during the build')
+    opt.add_option('--cxx11', action='store_true', default=False, dest='cxx11',
+                    help='Turn on c++11 compiler flags (-std=c++11)')
     for i in children:
         opt.recurse(i)
 
@@ -483,6 +477,8 @@ def configure(conf):
     conf.load('compiler_c')
     conf.load('compiler_cxx')
     conf.env['VERSION'] = VERSION
+    conf.env['MAJOR'] = MAJOR
+    conf.env['MINOR'] = MINOR
     conf.line_just = 52
     autowaf.set_recursive()
     autowaf.configure(conf)
@@ -531,6 +527,11 @@ def configure(conf):
     else:
         autowaf.display_msg(conf, 'Will build against private Ardour dependency stack', 'no')
         
+    if Options.options.freebie:
+        conf.env.append_value ('CFLAGS', '-DNO_PLUGIN_STATE')
+        conf.env.append_value ('CXXFLAGS', '-DNO_PLUGIN_STATE')
+        conf.define ('NO_PLUGIN_STATE', 1)
+
     if sys.platform == 'darwin':
 
         # this is required, potentially, for anything we link and then relocate into a bundle
@@ -539,21 +540,10 @@ def configure(conf):
         conf.define ('HAVE_COREAUDIO', 1)
         conf.define ('AUDIOUNIT_SUPPORT', 1)
 
-        if not Options.options.freebie:
-            conf.define ('AU_STATE_SUPPORT', 1)
-
         conf.define ('GTKOSX', 1)
         conf.define ('TOP_MENUBAR',1)
         conf.define ('GTKOSX',1)
 
-        #       Define OSX as a uselib to use when compiling
-        #       on Darwin to add all applicable flags at once
-        #
-        conf.env.append_value('CXXFLAGS_OSX', '-DMAC_OS_X_VERSION_MIN_REQUIRED=1040')
-        conf.env.append_value('CFLAGS_OSX', '-DMAC_OS_X_VERSION_MIN_REQUIRED=1040')
-        conf.env.append_value('CXXFLAGS_OSX', '-mmacosx-version-min=10.4')
-        conf.env.append_value('CFLAGS_OSX', '-mmacosx-version-min=10.4')
-
         # It would be nice to be able to use this to force back-compatibility with 10.4
         # but even by the time of 11, the 10.4 SDK is no longer available in any normal
         # way.
@@ -588,15 +578,16 @@ def configure(conf):
         conf.env.append_value('LINKFLAGS_AUDIOUNITS', ['-framework', 'AudioToolbox', '-framework', 'AudioUnit'])
         conf.env.append_value('LINKFLAGS_AUDIOUNITS', ['-framework', 'Cocoa'])
 
-        if not Options.options.freebie:
-            conf.env.append_value('CXXFLAGS_AUDIOUNITS', "-DAU_STATE_SUPPORT")
-
         if re.search ("^[1-9][0-9]\.", os.uname()[2]) == None and not Options.options.nocarbon:
             conf.env.append_value('CXXFLAGS_AUDIOUNITS', "-DWITH_CARBON")
             conf.env.append_value('LINKFLAGS_AUDIOUNITS', ['-framework', 'Carbon'])
         else:
             print ('No Carbon support available for this build\n')
 
+
+    if Options.options.internal_shared_libs: 
+        conf.define('INTERNAL_SHARED_LIBS', 1)
+
     if Options.options.boost_include != '':
         conf.env.append_value('CXXFLAGS', '-I' + Options.options.boost_include)
 
@@ -612,21 +603,40 @@ def configure(conf):
 
     autowaf.check_header(conf, 'cxx', 'jack/session.h', define="JACK_SESSION", mandatory = False)
 
-    conf.check_cxx(fragment = "#include <boost/version.hpp>\nint main(void) { return (BOOST_VERSION >= 103900 ? 0 : 1); }\n",
-                  execute = "1",
-                  mandatory = True,
-                  msg = 'Checking for boost library >= 1.39',
-                  okmsg = 'ok',
-                  errmsg = 'too old\nPlease install boost version 1.39 or higher.')
-
     autowaf.check_pkg(conf, 'glib-2.0', uselib_store='GLIB', atleast_version='2.2')
     autowaf.check_pkg(conf, 'gthread-2.0', uselib_store='GTHREAD', atleast_version='2.2')
     autowaf.check_pkg(conf, 'glibmm-2.4', uselib_store='GLIBMM', atleast_version='2.32.0')
     autowaf.check_pkg(conf, 'sndfile', uselib_store='SNDFILE', atleast_version='1.0.18')
     autowaf.check_pkg(conf, 'giomm-2.4', uselib_store='GIOMM', atleast_version='2.2')
     autowaf.check_pkg(conf, 'libcurl', uselib_store='CURL', atleast_version='7.0.0')
-
-    conf.check_cc(function_name='dlopen', header_name='dlfcn.h', lib='dl', uselib_store='DL')
+    autowaf.check_pkg(conf, 'liblo', uselib_store='LO', atleast_version='0.26')
+
+    if Options.options.dist_target == 'mingw':
+        Options.options.fpu_optimization = False
+        conf.env.append_value('CFLAGS', '-DPLATFORM_WINDOWS')
+        conf.env.append_value('CFLAGS', '-DCOMPILER_MINGW')
+        conf.env.append_value('CXXFLAGS', '-DPLATFORM_WINDOWS')
+        conf.env.append_value('CXXFLAGS', '-DCOMPILER_MINGW')
+        conf.env.append_value('LIB', 'pthreadGC2')
+        # needed for at least libsmf
+        conf.check_cc(function_name='htonl', header_name='winsock2.h', lib='ws2_32')
+        conf.env.append_value('LIB', 'ws2_32')
+        # needed for mingw64 packages, not harmful on normal mingw build
+        conf.env.append_value('LIB', 'intl')
+        conf.check_cc(function_name='regcomp', header_name='regex.h',
+                      lib='regex', uselib_store="REGEX", define_name='HAVE_REGEX_H')
+        # TODO put this only where it is needed
+        conf.env.append_value('LIB', 'regex')
+
+    if Options.options.dist_target != 'mingw':
+        conf.check_cc(function_name='dlopen', header_name='dlfcn.h', lib='dl', uselib_store='DL')
+
+        conf.check_cxx(fragment = "#include <boost/version.hpp>\nint main(void) { return (BOOST_VERSION >= 103900 ? 0 : 1); }\n",
+                      execute = "1",
+                      mandatory = True,
+                      msg = 'Checking for boost library >= 1.39',
+                      okmsg = 'ok',
+                      errmsg = 'too old\nPlease install boost version 1.39 or higher.')
 
     # Tell everyone that this is a waf build
 
@@ -635,20 +645,18 @@ def configure(conf):
 
     # Set up waf environment and C defines
     opts = Options.options
-    if opts.debug:
-        opts.phone_home = False;   # debug builds should not call home
     if opts.phone_home:
-        conf.env['PHONE_HOME'] = opts.phone_home
+        conf.define('PHONE_HOME', 1)
+        conf.env['PHONE_HOME'] = True
     if opts.fpu_optimization:
         conf.env['FPU_OPTIMIZATION'] = True
-    if opts.freesound:
-        conf.define('FREESOUND',1)
-        conf.env['FREESOUND'] = True
     if opts.nls:
         conf.define('ENABLE_NLS', 1)
         conf.env['ENABLE_NLS'] = True
     if opts.build_tests:
         conf.env['BUILD_TESTS'] = opts.build_tests
+    if opts.single_tests:
+        conf.env['SINGLE_TESTS'] = opts.single_tests
     #if opts.tranzport:
     #    conf.env['TRANZPORT'] = 1
     if opts.windows_vst:
@@ -658,8 +666,13 @@ def configure(conf):
         conf.env.append_value('CXXFLAGS', '-I' + Options.options.wine_include)
         autowaf.check_header(conf, 'cxx', 'windows.h', mandatory = True)
     if opts.lxvst:
-        conf.define('LXVST_SUPPORT', 1)
-        conf.env['LXVST_SUPPORT'] = True
+        if sys.platform == 'darwin':
+            conf.env['LXVST_SUPPORT'] = False
+        elif Options.options.dist_target == 'mingw':
+            conf.env['LXVST_SUPPORT'] = False
+       else:
+           conf.define('LXVST_SUPPORT', 1)
+           conf.env['LXVST_SUPPORT'] = True
     if bool(conf.env['JACK_SESSION']):
         conf.define('HAVE_JACK_SESSION', 1)
     conf.define('WINDOWS_KEY', opts.windows_key)
@@ -678,6 +691,14 @@ def configure(conf):
 
     set_compiler_flags (conf, Options.options)
 
+    if sys.platform == 'darwin':
+        sub_config_and_use(conf, 'libs/appleutility')
+    elif Options.options.dist_target != 'mingw':
+        sub_config_and_use(conf, 'tools/sanity_check')
+
+    if Options.options.dist_target != 'mingw':
+        sub_config_and_use(conf, 'libs/clearlooks-newer')
+
     for i in children:
         sub_config_and_use(conf, i)
 
@@ -698,13 +719,15 @@ const char* const ardour_config_info = "\\n\\
 
     write_config_text('Build documentation',   conf.env['DOCS'])
     write_config_text('Debuggable build',      conf.env['DEBUG'])
+    write_config_text('Export all symbols (backtrace)', opts.backtrace)
     write_config_text('Install prefix',        conf.env['PREFIX'])
     write_config_text('Strict compiler flags', conf.env['STRICT'])
+    write_config_text('Internal Shared Libraries', conf.is_defined('INTERNAL_SHARED_LIBS'))
 
     write_config_text('Architecture flags',    opts.arch)
     write_config_text('Aubio',                 conf.is_defined('HAVE_AUBIO'))
     write_config_text('AudioUnits',            conf.is_defined('AUDIOUNIT_SUPPORT'))
-    write_config_text('AU state support',      conf.is_defined('AU_STATE_SUPPORT'))
+    write_config_text('No plugin state',       conf.is_defined('NO_PLUGIN_STATE'))
     write_config_text('Build target',          conf.env['build_target'])
     write_config_text('CoreAudio',             conf.is_defined('HAVE_COREAUDIO'))
     write_config_text('Debug RT allocations',  conf.is_defined('DEBUG_RT_ALLOC'))
@@ -713,7 +736,6 @@ const char* const ardour_config_info = "\\n\\
     write_config_text('FLAC',                  conf.is_defined('HAVE_FLAC'))
     write_config_text('FPU optimization',      opts.fpu_optimization)
     write_config_text('Freedesktop files',     opts.freedesktop)
-    write_config_text('Freesound',             opts.freesound)
     write_config_text('JACK session support',  conf.is_defined('JACK_SESSION'))
     write_config_text('LV2 UI embedding',      conf.is_defined('HAVE_SUIL'))
     write_config_text('LV2 support',           conf.is_defined('LV2_SUPPORT'))
@@ -759,6 +781,14 @@ def build(bld):
 
     autowaf.set_recursive()
 
+    if sys.platform == 'darwin':
+        bld.recurse('libs/appleutility')
+    elif bld.env['build_target'] != 'mingw':
+        bld.recurse('tools/sanity_check')
+
+    if bld.env['build_target'] != 'mingw':
+        bld.recurse('libs/clearlooks-newer')
+
     for i in children:
         bld.recurse(i)
 
@@ -776,3 +806,5 @@ def i18n_po(bld):
 def i18n_mo(bld):
     bld.recurse (i18n_children)
 
+def tarball(bld):
+    create_stored_revision()