wscript

   1 #
   2 #    Copyright (C) 2012-2015 Carl Hetherington <cth@carlh.net>
   3 #
   4 #    This program is free software; you can redistribute it and/or modify
   5 #    it under the terms of the GNU General Public License as published by
   6 #    the Free Software Foundation; either version 2 of the License, or
   7 #    (at your option) any later version.
   8 #
   9 #    This program is distributed in the hope that it will be useful,
  10 #    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 #    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 #    GNU General Public License for more details.
  13 #
  14 #    You should have received a copy of the GNU General Public License
  15 #    along with this program; if not, write to the Free Software
  16 #    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17 #
  18
  19 import subprocess
  20 import os
  21 import shlex
  22 import sys
  23 import glob
  24 import distutils
  25 import distutils.spawn
  26 from waflib import Logs
  27
  28 APPNAME = 'dcpomatic'
  29 VERSION = '2.1.53devel'
  30
  31 def options(opt):
  32     opt.load('compiler_cxx')
  33     opt.load('winres')
  34
  35     opt.add_option('--enable-debug',      action='store_true', default=False, help='build with debugging information and without optimisation')
  36     opt.add_option('--disable-gui',       action='store_true', default=False, help='disable building of GUI tools')
  37     opt.add_option('--disable-tests',     action='store_true', default=False, help='disable building of tests')
  38     opt.add_option('--install-prefix',                         default=None,  help='prefix of where DCP-o-matic will be installed')
  39     opt.add_option('--target-windows',    action='store_true', default=False, help='set up to do a cross-compile to make a Windows package')
  40     opt.add_option('--static-dcpomatic',  action='store_true', default=False, help='link to components of DCP-o-matic statically')
  41     opt.add_option('--static-boost',      action='store_true', default=False, help='link statically to Boost')
  42     opt.add_option('--static-openjpeg',   action='store_true', default=False, help='link statically to OpenJPEG')
  43     opt.add_option('--static-wxwidgets',  action='store_true', default=False, help='link statically to wxWidgets')
  44     opt.add_option('--static-ffmpeg',     action='store_true', default=False, help='link statically to FFmpeg')
  45     opt.add_option('--static-xmlpp',      action='store_true', default=False, help='link statically to libxml++')
  46     opt.add_option('--static-xmlsec',     action='store_true', default=False, help='link statically to xmlsec')
  47     opt.add_option('--static-ssh',        action='store_true', default=False, help='link statically to libssh')
  48     opt.add_option('--static-cxml',       action='store_true', default=False, help='link statically to libcxml')
  49     opt.add_option('--static-dcp',        action='store_true', default=False, help='link statically to libdcp')
  50     opt.add_option('--static-sub',        action='store_true', default=False, help='link statically to libsub')
  51     opt.add_option('--static-curl',       action='store_true', default=False, help='link statically to libcurl')
  52     opt.add_option('--workaround-gssapi', action='store_true', default=False, help='link to gssapi_krb5')
  53
  54 def configure(conf):
  55     conf.load('compiler_cxx')
  56     if conf.options.target_windows:
  57         conf.load('winres')
  58
  59     # Save conf.options that we need elsewhere in conf.env
  60     conf.env.DISABLE_GUI = conf.options.disable_gui
  61     conf.env.DISABLE_TESTS = conf.options.disable_tests
  62     conf.env.TARGET_WINDOWS = conf.options.target_windows
  63     conf.env.TARGET_OSX = sys.platform == 'darwin'
  64     conf.env.TARGET_LINUX = not conf.env.TARGET_WINDOWS and not conf.env.TARGET_OSX
  65     conf.env.VERSION = VERSION
  66     conf.env.DEBUG = conf.options.enable_debug
  67     conf.env.STATIC_DCPOMATIC = conf.options.static_dcpomatic
  68     if conf.options.install_prefix is None:
  69         conf.env.INSTALL_PREFIX = conf.env.PREFIX
  70     else:
  71         conf.env.INSTALL_PREFIX = conf.options.install_prefix
  72
  73     # Common CXXFLAGS
  74     conf.env.append_value('CXXFLAGS', ['-D__STDC_CONSTANT_MACROS',
  75                                        '-D__STDC_LIMIT_MACROS',
  76                                        '-D__STDC_FORMAT_MACROS',
  77                                        '-msse',
  78                                        '-fno-strict-aliasing',
  79                                        '-Wall',
  80                                        '-Wno-attributes',
  81                                        '-Wextra',
  82                                        '-Wno-unused-result',
  83                                        '-D_FILE_OFFSET_BITS=64'])
  84
  85     if conf.options.enable_debug:
  86         conf.env.append_value('CXXFLAGS', ['-g', '-DDCPOMATIC_DEBUG'])
  87     else:
  88         conf.env.append_value('CXXFLAGS', '-O2')
  89
  90     #
  91     # Windows/Linux/OS X specific
  92     #
  93
  94     # Windows
  95     if conf.env.TARGET_WINDOWS:
  96         conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_WINDOWS')
  97         conf.env.append_value('CXXFLAGS', '-DWIN32_LEAN_AND_MEAN')
  98         conf.env.append_value('CXXFLAGS', '-DBOOST_USE_WINDOWS_H')
  99         conf.env.append_value('CXXFLAGS', '-DUNICODE')
 100         conf.env.append_value('CXXFLAGS', '-DBOOST_THREAD_PROVIDES_GENERIC_SHARED_MUTEX_ON_WIN')
 101         conf.env.append_value('CXXFLAGS', '-mfpmath=sse')
 102         conf.env.append_value('CXXFLAGS', '-Wno-deprecated-declarations')
 103         wxrc = os.popen('wx-config --rescomp').read().split()[1:]
 104         conf.env.append_value('WINRCFLAGS', wxrc)
 105         if conf.options.enable_debug:
 106             conf.env.append_value('CXXFLAGS', ['-mconsole'])
 107             conf.env.append_value('LINKFLAGS', ['-mconsole'])
 108         conf.check(lib='ws2_32', uselib_store='WINSOCK2', msg="Checking for library winsock2")
 109         conf.check(lib='bfd', uselib_store='BFD', msg="Checking for library bfd")
 110         conf.check(lib='dbghelp', uselib_store='DBGHELP', msg="Checking for library dbghelp")
 111         conf.check(lib='iberty', uselib_store='IBERTY', msg="Checking for library iberty")
 112         conf.check(lib='shlwapi', uselib_store='SHLWAPI', msg="Checking for library shlwapi")
 113         conf.check(lib='mswsock', uselib_store='MSWSOCK', msg="Checking for library mswsock")
 114         boost_lib_suffix = '-mt'
 115         boost_thread = 'boost_thread_win32-mt'
 116         conf.check_cxx(fragment="""
 117                                #include <boost/locale.hpp>\n
 118                                int main() { std::locale::global (boost::locale::generator().generate ("")); }\n
 119                                """,
 120                                msg='Checking for boost locale library',
 121                                libpath='/usr/local/lib',
 122                                lib=['boost_locale%s' % boost_lib_suffix, 'boost_system%s' % boost_lib_suffix],
 123                                uselib_store='BOOST_LOCALE')
 124
 125     # POSIX
 126     if conf.env.TARGET_LINUX or conf.env.TARGET_OSX:
 127         conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_POSIX')
 128         boost_lib_suffix = ''
 129         boost_thread = 'boost_thread'
 130         conf.env.append_value('LINKFLAGS', '-pthread')
 131
 132     # Linux
 133     if conf.env.TARGET_LINUX:
 134         conf.env.append_value('CXXFLAGS', '-mfpmath=sse')
 135         conf.env.append_value('CXXFLAGS', '-DLINUX_LOCALE_PREFIX="%s/share/locale"' % conf.env['INSTALL_PREFIX'])
 136         conf.env.append_value('CXXFLAGS', '-DLINUX_SHARE_PREFIX="%s/share/dcpomatic2"' % conf.env['INSTALL_PREFIX'])
 137         conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_LINUX')
 138         if not conf.env.DISABLE_GUI:
 139             conf.check_cfg(package='gtk+-2.0', args='--cflags --libs', uselib_store='GTK', mandatory=True)
 140
 141     # OSX
 142     if conf.env.TARGET_OSX:
 143         conf.env.append_value('CXXFLAGS', ['-DDCPOMATIC_OSX', '-Wno-unused-function', '-Wno-unused-parameter'])
 144         conf.env.append_value('LINKFLAGS', '-headerpad_max_install_names')
 145
 146     #
 147     # Dependencies.
 148     #
 149
 150     # It should be possible to use check_cfg for both dynamic and static linking, but
 151     # e.g. pkg-config --libs --static foo returns some libraries that should be statically
 152     # linked and others that should be dynamic.  This doesn't work too well with waf
 153     # as it wants them separate.
 154
 155     # libcurl
 156     if conf.options.static_curl:
 157         conf.env.STLIB_CURL = ['curl']
 158         conf.env.LIB_CURL = ['ssh2', 'idn']
 159     else:
 160         conf.check_cfg(package='libcurl', args='--cflags --libs', uselib_store='CURL', mandatory=True)
 161
 162
 163     # libsndfile
 164     conf.check_cfg(package='sndfile', args='--cflags --libs', uselib_store='SNDFILE', mandatory=True)
 165
 166     # libsamplerate
 167     conf.check_cfg(package='samplerate', args='--cflags --libs', uselib_store='SAMPLERATE', mandatory=True)
 168
 169     # glib
 170     conf.check_cfg(package='glib-2.0', args='--cflags --libs', uselib_store='GLIB', mandatory=True)
 171
 172     # ImageMagick / GraphicsMagick
 173     if distutils.spawn.find_executable('Magick++-config'):
 174         conf.check_cfg(package='', path='Magick++-config', args='--cppflags --cxxflags --libs', uselib_store='MAGICK', mandatory=True)
 175         conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_IMAGE_MAGICK')
 176     else:
 177         image = conf.check_cfg(package='ImageMagick++', args='--cflags --libs', uselib_store='MAGICK', mandatory=False)
 178         graphics = conf.check_cfg(package='GraphicsMagick++', args='--cflags --libs', uselib_store='MAGICK', mandatory=False)
 179         if image is None and graphics is None:
 180             Logs.pprint('RED', 'Neither ImageMagick++ nor GraphicsMagick++ found: one or the other is required')
 181         if image is not None:
 182             conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_IMAGE_MAGICK')
 183         if graphics is not None:
 184             conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_GRAPHICS_MAGICK')
 185
 186     # libzip
 187     conf.check_cfg(package='libzip', args='--cflags --libs', uselib_store='ZIP', mandatory=True)
 188
 189     # fontconfig
 190     conf.check_cfg(package='fontconfig', args='--cflags --libs', uselib_store='FONTCONFIG', mandatory=True)
 191
 192     # pangomm
 193     conf.check_cfg(package='pangomm-1.4', args='--cflags --libs', uselib_store='PANGOMM', mandatory=True)
 194
 195     # cairomm
 196     conf.check_cfg(package='cairomm-1.0', args='--cflags --libs', uselib_store='CAIROMM', mandatory=True)
 197
 198     # libcxml
 199     if conf.options.static_cxml:
 200         conf.check_cfg(package='libcxml', atleast_version='0.08', args='--cflags', uselib_store='CXML', mandatory=True)
 201         conf.env.STLIB_CXML = ['cxml']
 202     else:
 203         conf.check_cfg(package='libcxml', atleast_version='0.08', args='--cflags --libs', uselib_store='CXML', mandatory=True)
 204
 205     # libssh
 206     if conf.options.static_ssh:
 207         conf.env.STLIB_SSH = ['ssh']
 208         if conf.options.workaround_gssapi:
 209             conf.env.LIB_SSH = ['gssapi_krb5']
 210     else:
 211         conf.check_cc(fragment="""
 212                                #include <libssh/libssh.h>\n
 213                                int main () {\n
 214                                ssh_session s = ssh_new ();\n
 215                                return 0;\n
 216                                }
 217                                """,
 218                       msg='Checking for library libssh',
 219                       mandatory=True,
 220                       lib='ssh',
 221                       uselib_store='SSH')
 222
 223     # libdcp
 224     if conf.options.static_dcp:
 225         conf.check_cfg(package='libdcp-1.0', atleast_version='1.2.0', args='--cflags', uselib_store='DCP', mandatory=True)
 226         conf.env.DEFINES_DCP = [f.replace('\\', '') for f in conf.env.DEFINES_DCP]
 227         conf.env.STLIB_DCP = ['dcp-1.0', 'asdcp-libdcp-1.0', 'kumu-libdcp-1.0']
 228         conf.env.LIB_DCP = ['glibmm-2.4', 'ssl', 'crypto', 'bz2', 'xslt']
 229     else:
 230         conf.check_cfg(package='libdcp-1.0', atleast_version='1.2.0', args='--cflags --libs', uselib_store='DCP', mandatory=True)
 231         conf.env.DEFINES_DCP = [f.replace('\\', '') for f in conf.env.DEFINES_DCP]
 232
 233     # libsub
 234     if conf.options.static_sub:
 235         conf.check_cfg(package='libsub-1.0', atleast_version='1.1.0', args='--cflags', uselib_store='SUB', mandatory=True)
 236         conf.env.DEFINES_SUB = [f.replace('\\', '') for f in conf.env.DEFINES_SUB]
 237         conf.env.STLIB_SUB = ['sub-1.0']
 238     else:
 239         conf.check_cfg(package='libsub-1.0', atleast_version='1.1.0', args='--cflags --libs', uselib_store='SUB', mandatory=True)
 240         conf.env.DEFINES_SUB = [f.replace('\\', '') for f in conf.env.DEFINES_SUB]
 241
 242     # libxml++
 243     if conf.options.static_xmlpp:
 244         conf.env.STLIB_XMLPP = ['xml++-2.6']
 245         conf.env.LIB_XMLPP = ['xml2']
 246     else:
 247         conf.check_cfg(package='libxml++-2.6', args='--cflags --libs', uselib_store='XMLPP', mandatory=True)
 248
 249     # libxmlsec
 250     if conf.options.static_xmlsec:
 251         conf.env.STLIB_XMLSEC = ['xmlsec1-openssl', 'xmlsec1']
 252     else:
 253         conf.env.LIB_XMLSEC = ['xmlsec1-openssl', 'xmlsec1']
 254
 255     # OpenJPEG
 256     if conf.options.static_openjpeg:
 257         conf.check_cfg(package='libopenjpeg', args='--cflags', atleast_version='1.5.0', uselib_store='OPENJPEG', mandatory=True)
 258         conf.check_cfg(package='libopenjpeg', args='--cflags', max_version='1.5.2', mandatory=True)
 259         conf.env.STLIB_OPENJPEG = ['openjpeg']
 260     else:
 261         conf.check_cfg(package='libopenjpeg', args='--cflags --libs', atleast_version='1.5.0', uselib_store='OPENJPEG', mandatory=True)
 262         conf.check_cfg(package='libopenjpeg', args='--cflags --libs', max_version='1.5.2', mandatory=True)
 263
 264     # FFmpeg
 265     if conf.options.static_ffmpeg:
 266         names = ['avformat', 'avfilter', 'avcodec', 'avutil', 'swscale', 'swresample', 'postproc']
 267         for name in names:
 268             static = subprocess.Popen(shlex.split('pkg-config --static --libs lib%s' % name), stdout=subprocess.PIPE).communicate()[0]
 269             libs = []
 270             stlibs = []
 271             include = []
 272             libpath = []
 273             for s in static.split():
 274                 if s.startswith('-L'):
 275                     libpath.append(s[2:])
 276                 elif s.startswith('-I'):
 277                     include.append(s[2:])
 278                 elif s.startswith('-l'):
 279                     if s[2:] not in names:
 280                         libs.append(s[2:])
 281                     else:
 282                         stlibs.append(s[2:])
 283
 284             conf.env['LIB_%s' % name.upper()] = libs
 285             conf.env['STLIB_%s' % name.upper()] = stlibs
 286             conf.env['INCLUDES_%s' % name.upper()] = include
 287             conf.env['LIBPATH_%s' % name.upper()] = libpath
 288     else:
 289         conf.check_cfg(package='libavformat', args='--cflags --libs', uselib_store='AVFORMAT', mandatory=True)
 290         conf.check_cfg(package='libavfilter', args='--cflags --libs', uselib_store='AVFILTER', mandatory=True)
 291         conf.check_cfg(package='libavcodec', args='--cflags --libs', uselib_store='AVCODEC', mandatory=True)
 292         conf.check_cfg(package='libavutil', args='--cflags --libs', uselib_store='AVUTIL', mandatory=True)
 293         conf.check_cfg(package='libswscale', args='--cflags --libs', uselib_store='SWSCALE', mandatory=True)
 294         conf.check_cfg(package='libswresample', args='--cflags --libs', uselib_store='SWRESAMPLE', mandatory=True)
 295         conf.check_cfg(package='libpostproc', args='--cflags --libs', uselib_store='POSTPROC', mandatory=True)
 296
 297     # Boost
 298     if conf.options.static_boost:
 299         conf.env.STLIB_BOOST_THREAD = ['boost_thread']
 300         conf.env.STLIB_BOOST_FILESYSTEM = ['boost_filesystem%s' % boost_lib_suffix]
 301         conf.env.STLIB_BOOST_DATETIME = ['boost_date_time%s' % boost_lib_suffix, 'boost_system%s' % boost_lib_suffix]
 302         conf.env.STLIB_BOOST_SIGNALS2 = ['boost_signals2']
 303         conf.env.STLIB_BOOST_SYSTEM = ['boost_system']
 304         conf.env.STLIB_BOOST_REGEX = ['boost_regex']
 305     else:
 306         conf.check_cxx(fragment="""
 307                             #include <boost/version.hpp>\n
 308                             #if BOOST_VERSION < 104500\n
 309                             #error boost too old\n
 310                             #endif\n
 311                             int main(void) { return 0; }\n
 312                             """,
 313                        mandatory=True,
 314                        msg='Checking for boost library >= 1.45',
 315                        okmsg='yes',
 316                        errmsg='too old\nPlease install boost version 1.45 or higher.')
 317
 318         conf.check_cxx(fragment="""
 319                             #include <boost/thread.hpp>\n
 320                             int main() { boost::thread t (); }\n
 321                             """,
 322                        msg='Checking for boost threading library',
 323                        libpath='/usr/local/lib',
 324                        lib=[boost_thread, 'boost_system%s' % boost_lib_suffix],
 325                        uselib_store='BOOST_THREAD')
 326
 327         conf.check_cxx(fragment="""
 328                             #include <boost/filesystem.hpp>\n
 329                             int main() { boost::filesystem::copy_file ("a", "b"); }\n
 330                             """,
 331                        msg='Checking for boost filesystem library',
 332                        libpath='/usr/local/lib',
 333                        lib=['boost_filesystem%s' % boost_lib_suffix, 'boost_system%s' % boost_lib_suffix],
 334                        uselib_store='BOOST_FILESYSTEM')
 335
 336         conf.check_cxx(fragment="""
 337                             #include <boost/date_time.hpp>\n
 338                             int main() { boost::gregorian::day_clock::local_day(); }\n
 339                             """,
 340                        msg='Checking for boost datetime library',
 341                        libpath='/usr/local/lib',
 342                        lib=['boost_date_time%s' % boost_lib_suffix, 'boost_system%s' % boost_lib_suffix],
 343                        uselib_store='BOOST_DATETIME')
 344
 345         conf.check_cxx(fragment="""
 346                             #include <boost/signals2.hpp>\n
 347                             int main() { boost::signals2::signal<void (int)> x; }\n
 348                             """,
 349                        msg='Checking for boost signals2 library',
 350                        uselib_store='BOOST_SIGNALS2')
 351
 352         conf.check_cxx(fragment="""
 353                             #include <boost/regex.hpp>\n
 354                             int main() { boost::regex re ("foo"); }\n
 355                             """,
 356                        msg='Checking for boost regex library',
 357                        lib=['boost_regex%s' % boost_lib_suffix],
 358                        uselib_store='BOOST_REGEX')
 359
 360     # Other stuff
 361
 362     conf.find_program('msgfmt', var='MSGFMT')
 363
 364     datadir = conf.env.DATADIR
 365     if not datadir:
 366         datadir = os.path.join(conf.env.PREFIX, 'share')
 367
 368     conf.define('LOCALEDIR', os.path.join(datadir, 'locale'))
 369     conf.define('DATADIR', datadir)
 370
 371     conf.recurse('src')
 372     if not conf.env.DISABLE_TESTS:
 373         conf.recurse('test')
 374
 375     Logs.pprint('YELLOW', '')
 376     if conf.env.TARGET_WINDOWS:
 377         Logs.pprint('YELLOW', '\t' + 'Target'.ljust(25) + ': Windows')
 378     elif conf.env.TARGET_LINUX:
 379         Logs.pprint('YELLOW', '\t' + 'Target'.ljust(25) + ': Linux')
 380     elif conf.env.TARGET_OSX:
 381         Logs.pprint('YELLOW', '\t' + 'Target'.ljust(25) + ': OS X')
 382
 383     def report(name, variable):
 384         linkage = ''
 385         if variable:
 386             linkage = 'static'
 387         else:
 388             linkage = 'dynamic'
 389         Logs.pprint('YELLOW', '\t%s: %s' % (name.ljust(25), linkage))
 390
 391     report('DCP-o-matic libraries', conf.options.static_dcpomatic)
 392     report('Boost', conf.options.static_boost)
 393     report('OpenJPEG', conf.options.static_openjpeg)
 394     report('wxWidgets', conf.options.static_wxwidgets)
 395     report('FFmpeg', conf.options.static_ffmpeg)
 396     report('libxml++', conf.options.static_xmlpp)
 397     report('xmlsec', conf.options.static_xmlsec)
 398     report('libssh', conf.options.static_ssh)
 399     report('libcxml', conf.options.static_cxml)
 400     report('libdcp', conf.options.static_dcp)
 401     report('libcurl', conf.options.static_curl)
 402
 403     Logs.pprint('YELLOW', '')
 404
 405 def build(bld):
 406     create_version_cc(VERSION, bld.env.CXXFLAGS)
 407
 408     bld.recurse('src')
 409     if not bld.env.DISABLE_TESTS:
 410         bld.recurse('test')
 411     if bld.env.TARGET_WINDOWS:
 412         bld.recurse('platform/windows')
 413     if bld.env.TARGET_LINUX:
 414         bld.recurse('platform/linux')
 415     if bld.env.TARGET_OSX:
 416         bld.recurse('platform/osx')
 417
 418     for r in ['22x22', '32x32', '48x48', '64x64', '128x128']:
 419         bld.install_files('${PREFIX}/share/icons/hicolor/%s/apps' % r, 'graphics/%s/dcpomatic2.png' % r)
 420
 421     if not bld.env.TARGET_WINDOWS:
 422         bld.install_files('${PREFIX}/share/dcpomatic2', 'graphics/taskbar_icon.png')
 423         bld.install_files('${PREFIX}/share/dcpomatic2', 'graphics/splash.png')
 424         bld.install_files('${PREFIX}/share/dcpomatic2', 'LiberationSans-Regular.ttf')
 425
 426     bld.add_post_fun(post)
 427
 428 def git_revision():
 429     if not os.path.exists('.git'):
 430         return None
 431
 432     cmd = "LANG= git log --abbrev HEAD^..HEAD ."
 433     output = subprocess.Popen(cmd, shell=True, stderr=subprocess.STDOUT, stdout=subprocess.PIPE).communicate()[0].splitlines()
 434     o = output[0].decode('utf-8')
 435     return o.replace("commit ", "")[0:10]
 436
 437 def dist(ctx):
 438     r = git_revision()
 439     if r is not None:
 440         f = open('.git_revision', 'w')
 441         print >>f,r
 442     f.close()
 443
 444     ctx.excl = """
 445                TODO core *~ src/wx/*~ src/lib/*~ builds/*~ doc/manual/*~ src/tools/*~ *.pyc .waf* build .git
 446                deps alignment hacks sync *.tar.bz2 *.exe .lock* *build-windows doc/manual/pdf doc/manual/html
 447                GRSYMS GRTAGS GSYMS GTAGS
 448                """
 449
 450 def create_version_cc(version, cxx_flags):
 451     commit = git_revision()
 452     if commit is None and os.path.exists('.git_revision'):
 453         f = open('.git_revision', 'r')
 454         commit = f.readline().strip()
 455
 456     if commit is None:
 457         commit = 'release'
 458
 459     try:
 460         text =  '#include "version.h"\n'
 461         text += 'char const * dcpomatic_git_commit = \"%s\";\n' % commit
 462         text += 'char const * dcpomatic_version = \"%s\";\n' % version
 463
 464         t = ''
 465         for f in cxx_flags:
 466             f = f.replace('"', '\\"')
 467             t += f + ' '
 468         text += 'char const * dcpomatic_cxx_flags = \"%s\";\n' % t[:-1]
 469
 470         print('Writing version information to src/lib/version.cc')
 471         o = open('src/lib/version.cc', 'w')
 472         o.write(text)
 473         o.close()
 474     except IOError:
 475         print('Could not open src/lib/version.cc for writing\n')
 476         sys.exit(-1)
 477
 478 def post(ctx):
 479     if ctx.cmd == 'install':
 480         ctx.exec_command('/sbin/ldconfig')
 481
 482 def pot(bld):
 483     bld.recurse('src')
 484
 485 def pot_merge(bld):
 486     bld.recurse('src')
 487
 488 def tags(bld):
 489     os.system('etags src/lib/*.cc src/lib/*.h src/wx/*.cc src/wx/*.h src/tools/*.cc src/tools/*.h')
 490
 491 def zanata_pull(bld):
 492     os.system('zanata-cli -B -q pull -t .')
 493     for f in glob.glob('src/lib/po/*.po'):
 494         l = os.path.basename(f)
 495         os.rename('dcpomatic_%s' % l, 'src/tools/po/%s' % l)
 496         os.rename('libdcpomatic_%s' % l, 'src/lib/po/%s' % l)
 497         os.rename('libdcpomatic-wx_%s' % l, 'src/wx/po/%s' % l)
 498
 499 def cppcheck(bld):
 500     os.system('cppcheck --enable=all --quiet .')