wscript

   1 #
   2 #    Copyright (C) 2012-2016 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, Context
  27
  28 APPNAME = 'dcpomatic'
  29 VERSION = '2.8.1devel'
  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-wxwidgets',  action='store_true', default=False, help='link statically to wxWidgets')
  43     opt.add_option('--static-ffmpeg',     action='store_true', default=False, help='link statically to FFmpeg')
  44     opt.add_option('--static-xmlpp',      action='store_true', default=False, help='link statically to libxml++')
  45     opt.add_option('--static-xmlsec',     action='store_true', default=False, help='link statically to xmlsec')
  46     opt.add_option('--static-ssh',        action='store_true', default=False, help='link statically to libssh')
  47     opt.add_option('--static-cxml',       action='store_true', default=False, help='link statically to libcxml')
  48     opt.add_option('--static-dcp',        action='store_true', default=False, help='link statically to libdcp')
  49     opt.add_option('--static-sub',        action='store_true', default=False, help='link statically to libsub')
  50     opt.add_option('--static-curl',       action='store_true', default=False, help='link statically to libcurl')
  51     opt.add_option('--workaround-gssapi', action='store_true', default=False, help='link to gssapi_krb5')
  52
  53 def configure(conf):
  54     conf.load('compiler_cxx')
  55     if conf.options.target_windows:
  56         conf.load('winres')
  57
  58     # Save conf.options that we need elsewhere in conf.env
  59     conf.env.DISABLE_GUI = conf.options.disable_gui
  60     conf.env.DISABLE_TESTS = conf.options.disable_tests
  61     conf.env.TARGET_WINDOWS = conf.options.target_windows
  62     conf.env.TARGET_OSX = sys.platform == 'darwin'
  63     conf.env.TARGET_LINUX = not conf.env.TARGET_WINDOWS and not conf.env.TARGET_OSX
  64     conf.env.VERSION = VERSION
  65     conf.env.DEBUG = conf.options.enable_debug
  66     conf.env.STATIC_DCPOMATIC = conf.options.static_dcpomatic
  67     if conf.options.install_prefix is None:
  68         conf.env.INSTALL_PREFIX = conf.env.PREFIX
  69     else:
  70         conf.env.INSTALL_PREFIX = conf.options.install_prefix
  71
  72     # Common CXXFLAGS
  73     conf.env.append_value('CXXFLAGS', ['-D__STDC_CONSTANT_MACROS',
  74                                        '-D__STDC_LIMIT_MACROS',
  75                                        '-D__STDC_FORMAT_MACROS',
  76                                        '-msse',
  77                                        '-fno-strict-aliasing',
  78                                        '-Wall',
  79                                        '-Wno-attributes',
  80                                        '-Wextra',
  81                                        '-Wno-unused-result',
  82                                        '-D_FILE_OFFSET_BITS=64'])
  83
  84     if conf.options.enable_debug:
  85         conf.env.append_value('CXXFLAGS', ['-g', '-DDCPOMATIC_DEBUG', '-fno-omit-frame-pointer'])
  86     else:
  87         conf.env.append_value('CXXFLAGS', '-O2')
  88
  89     #
  90     # Windows/Linux/OS X specific
  91     #
  92
  93     # Windows
  94     if conf.env.TARGET_WINDOWS:
  95         conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_WINDOWS')
  96         conf.env.append_value('CXXFLAGS', '-DWIN32_LEAN_AND_MEAN')
  97         conf.env.append_value('CXXFLAGS', '-DBOOST_USE_WINDOWS_H')
  98         conf.env.append_value('CXXFLAGS', '-DUNICODE')
  99         conf.env.append_value('CXXFLAGS', '-DBOOST_THREAD_PROVIDES_GENERIC_SHARED_MUTEX_ON_WIN')
 100         conf.env.append_value('CXXFLAGS', '-mfpmath=sse')
 101         conf.env.append_value('CXXFLAGS', '-Wno-deprecated-declarations')
 102         wxrc = os.popen('wx-config --rescomp').read().split()[1:]
 103         conf.env.append_value('WINRCFLAGS', wxrc)
 104         if conf.options.enable_debug:
 105             conf.env.append_value('CXXFLAGS', ['-mconsole'])
 106             conf.env.append_value('LINKFLAGS', ['-mconsole'])
 107         conf.check(lib='ws2_32', uselib_store='WINSOCK2', msg="Checking for library winsock2")
 108         conf.check(lib='bfd', uselib_store='BFD', msg="Checking for library bfd")
 109         conf.check(lib='dbghelp', uselib_store='DBGHELP', msg="Checking for library dbghelp")
 110         conf.check(lib='iberty', uselib_store='IBERTY', msg="Checking for library iberty")
 111         conf.check(lib='shlwapi', uselib_store='SHLWAPI', msg="Checking for library shlwapi")
 112         conf.check(lib='mswsock', uselib_store='MSWSOCK', msg="Checking for library mswsock")
 113         boost_lib_suffix = '-mt'
 114         boost_thread = 'boost_thread-mt'
 115         conf.check_cxx(fragment="""
 116                                #include <boost/locale.hpp>\n
 117                                int main() { std::locale::global (boost::locale::generator().generate ("")); }\n
 118                                """,
 119                                msg='Checking for boost locale library',
 120                                libpath='/usr/local/lib',
 121                                lib=['boost_locale%s' % boost_lib_suffix, 'boost_system%s' % boost_lib_suffix],
 122                                uselib_store='BOOST_LOCALE')
 123
 124     # POSIX
 125     if conf.env.TARGET_LINUX or conf.env.TARGET_OSX:
 126         conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_POSIX')
 127         boost_lib_suffix = ''
 128         boost_thread = 'boost_thread'
 129         conf.env.append_value('LINKFLAGS', '-pthread')
 130
 131     # Linux
 132     if conf.env.TARGET_LINUX:
 133         conf.env.append_value('CXXFLAGS', '-mfpmath=sse')
 134         conf.env.append_value('CXXFLAGS', '-DLINUX_LOCALE_PREFIX="%s/share/locale"' % conf.env['INSTALL_PREFIX'])
 135         conf.env.append_value('CXXFLAGS', '-DLINUX_SHARE_PREFIX="%s/share/dcpomatic2"' % conf.env['INSTALL_PREFIX'])
 136         conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_LINUX')
 137         if not conf.env.DISABLE_GUI:
 138             conf.check_cfg(package='gtk+-2.0', args='--cflags --libs', uselib_store='GTK', mandatory=True)
 139
 140     # OSX
 141     if conf.env.TARGET_OSX:
 142         conf.env.append_value('CXXFLAGS', ['-DDCPOMATIC_OSX', '-Wno-unused-function', '-Wno-unused-parameter', '-Wno-unused-local-typedef'])
 143         conf.env.append_value('LINKFLAGS', '-headerpad_max_install_names')
 144
 145     #
 146     # Dependencies.
 147     #
 148
 149     # It should be possible to use check_cfg for both dynamic and static linking, but
 150     # e.g. pkg-config --libs --static foo returns some libraries that should be statically
 151     # linked and others that should be dynamic.  This doesn't work too well with waf
 152     # as it wants them separate.
 153
 154     # libcurl
 155     if conf.options.static_curl:
 156         conf.env.STLIB_CURL = ['curl']
 157         conf.env.LIB_CURL = ['ssh2', 'idn']
 158     else:
 159         conf.check_cfg(package='libcurl', args='--cflags --libs', uselib_store='CURL', mandatory=True)
 160
 161     # libicu
 162     if conf.check_cfg(package='icu-i18n', args='--cflags --libs', uselib_store='ICU', mandatory=False) is None:
 163         if conf.check_cfg(package='icu', args='--cflags --libs', uselib_store='ICU', mandatory=False) is None:
 164             conf.check_cxx(fragment="""
 165                             #include <unicode/ucsdet.h>
 166                             int main(void) {
 167                                 UErrorCode status = U_ZERO_ERROR;
 168                                 UCharsetDetector* detector = ucsdet_open (&status);
 169                                 return 0; }\n
 170                             """,
 171                        mandatory=True,
 172                        msg='Checking for libicu',
 173                        okmsg='yes',
 174                        libpath=['/usr/local/lib', '/usr/lib', '/usr/lib/x86_64-linux-gnu'],
 175                        lib=['icuio', 'icui18n', 'icudata', 'icuuc'],
 176                        uselib_store='ICU')
 177
 178     # libsndfile
 179     conf.check_cfg(package='sndfile', args='--cflags --libs', uselib_store='SNDFILE', mandatory=True)
 180
 181     # libsamplerate
 182     conf.check_cfg(package='samplerate', args='--cflags --libs', uselib_store='SAMPLERATE', mandatory=True)
 183
 184     # glib
 185     conf.check_cfg(package='glib-2.0', args='--cflags --libs', uselib_store='GLIB', mandatory=True)
 186
 187     # ImageMagick / GraphicsMagick
 188     if distutils.spawn.find_executable('Magick++-config'):
 189         conf.check_cfg(package='', path='Magick++-config', args='--cppflags --cxxflags --libs', uselib_store='MAGICK', mandatory=True)
 190         conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_IMAGE_MAGICK')
 191     else:
 192         image = conf.check_cfg(package='ImageMagick++', args='--cflags --libs', uselib_store='MAGICK', mandatory=False)
 193         graphics = conf.check_cfg(package='GraphicsMagick++', args='--cflags --libs', uselib_store='MAGICK', mandatory=False)
 194         if image is None and graphics is None:
 195             Logs.pprint('RED', 'Neither ImageMagick++ nor GraphicsMagick++ found: one or the other is required')
 196         if image is not None:
 197             conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_IMAGE_MAGICK')
 198         if graphics is not None:
 199             conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_GRAPHICS_MAGICK')
 200
 201     # libzip
 202     conf.check_cfg(package='libzip', args='--cflags --libs', uselib_store='ZIP', mandatory=True)
 203
 204     # fontconfig
 205     conf.check_cfg(package='fontconfig', args='--cflags --libs', uselib_store='FONTCONFIG', mandatory=True)
 206
 207     # pangomm
 208     conf.check_cfg(package='pangomm-1.4', args='--cflags --libs', uselib_store='PANGOMM', mandatory=True)
 209
 210     # cairomm
 211     conf.check_cfg(package='cairomm-1.0', args='--cflags --libs', uselib_store='CAIROMM', mandatory=True)
 212
 213     # libcxml
 214     if conf.options.static_cxml:
 215         conf.check_cfg(package='libcxml', atleast_version='0.15.1', args='--cflags', uselib_store='CXML', mandatory=True)
 216         conf.env.STLIB_CXML = ['cxml']
 217     else:
 218         conf.check_cfg(package='libcxml', atleast_version='0.15.1', args='--cflags --libs', uselib_store='CXML', mandatory=True)
 219
 220     # libssh
 221     if conf.options.static_ssh:
 222         conf.env.STLIB_SSH = ['ssh']
 223         if conf.options.workaround_gssapi:
 224             conf.env.LIB_SSH = ['gssapi_krb5']
 225     else:
 226         conf.check_cc(fragment="""
 227                                #include <libssh/libssh.h>\n
 228                                int main () {\n
 229                                ssh_session s = ssh_new ();\n
 230                                return 0;\n
 231                                }
 232                                """,
 233                       msg='Checking for library libssh',
 234                       mandatory=True,
 235                       lib='ssh',
 236                       uselib_store='SSH')
 237
 238     # libdcp
 239     if conf.options.static_dcp:
 240         conf.check_cfg(package='libdcp-1.0', atleast_version='1.3.3', args='--cflags', uselib_store='DCP', mandatory=True)
 241         conf.env.DEFINES_DCP = [f.replace('\\', '') for f in conf.env.DEFINES_DCP]
 242         conf.env.STLIB_DCP = ['dcp-1.0', 'asdcp-cth', 'kumu-cth', 'openjp2']
 243         conf.env.LIB_DCP = ['glibmm-2.4', 'ssl', 'crypto', 'bz2', 'xslt']
 244     else:
 245         conf.check_cfg(package='libdcp-1.0', atleast_version='1.3.3', args='--cflags --libs', uselib_store='DCP', mandatory=True)
 246         conf.env.DEFINES_DCP = [f.replace('\\', '') for f in conf.env.DEFINES_DCP]
 247
 248     # libsub
 249     if conf.options.static_sub:
 250         conf.check_cfg(package='libsub-1.0', atleast_version='1.1.12', args='--cflags', uselib_store='SUB', mandatory=True)
 251         conf.env.DEFINES_SUB = [f.replace('\\', '') for f in conf.env.DEFINES_SUB]
 252         conf.env.STLIB_SUB = ['sub-1.0']
 253     else:
 254         conf.check_cfg(package='libsub-1.0', atleast_version='1.1.12', args='--cflags --libs', uselib_store='SUB', mandatory=True)
 255         conf.env.DEFINES_SUB = [f.replace('\\', '') for f in conf.env.DEFINES_SUB]
 256
 257     # libxml++
 258     if conf.options.static_xmlpp:
 259         conf.env.STLIB_XMLPP = ['xml++-2.6']
 260         conf.env.LIB_XMLPP = ['xml2']
 261     else:
 262         conf.check_cfg(package='libxml++-2.6', args='--cflags --libs', uselib_store='XMLPP', mandatory=True)
 263
 264     # libxmlsec
 265     if conf.options.static_xmlsec:
 266         conf.env.STLIB_XMLSEC = ['xmlsec1-openssl', 'xmlsec1']
 267     else:
 268         conf.env.LIB_XMLSEC = ['xmlsec1-openssl', 'xmlsec1']
 269
 270     # FFmpeg
 271     if conf.options.static_ffmpeg:
 272         names = ['avformat', 'avfilter', 'avcodec', 'avutil', 'swscale', 'postproc']
 273         for name in names:
 274             static = subprocess.Popen(shlex.split('pkg-config --static --libs lib%s' % name), stdout=subprocess.PIPE).communicate()[0].decode('utf-8')
 275             libs = []
 276             stlibs = []
 277             include = []
 278             libpath = []
 279             for s in static.split():
 280                 if s.startswith('-L'):
 281                     libpath.append(s[2:])
 282                 elif s.startswith('-I'):
 283                     include.append(s[2:])
 284                 elif s.startswith('-l'):
 285                     if s[2:] not in names:
 286                         libs.append(s[2:])
 287                     else:
 288                         stlibs.append(s[2:])
 289
 290             conf.env['LIB_%s' % name.upper()] = libs
 291             conf.env['STLIB_%s' % name.upper()] = stlibs
 292             conf.env['INCLUDES_%s' % name.upper()] = include
 293             conf.env['LIBPATH_%s' % name.upper()] = libpath
 294     else:
 295         conf.check_cfg(package='libavformat', args='--cflags --libs', uselib_store='AVFORMAT', mandatory=True)
 296         conf.check_cfg(package='libavfilter', args='--cflags --libs', uselib_store='AVFILTER', mandatory=True)
 297         conf.check_cfg(package='libavcodec', args='--cflags --libs', uselib_store='AVCODEC', mandatory=True)
 298         conf.check_cfg(package='libavutil', args='--cflags --libs', uselib_store='AVUTIL', mandatory=True)
 299         conf.check_cfg(package='libswscale', args='--cflags --libs', uselib_store='SWSCALE', mandatory=True)
 300         conf.check_cfg(package='libpostproc', args='--cflags --libs', uselib_store='POSTPROC', mandatory=True)
 301
 302     # Check to see if we have our version of FFmpeg that allows us to get at EBUR128 results
 303     conf.check_cxx(fragment="""
 304                             extern "C" {\n
 305                             #include <libavfilter/f_ebur128.h>\n
 306                             }\n
 307                             int main () { av_ebur128_get_true_peaks (0); }\n
 308                             """,
 309                    msg='Checking for patched FFmpeg',
 310                    libpath=conf.env['LIBPATH_AVFORMAT'],
 311                    lib='avfilter avutil swresample',
 312                    includes=conf.env['INCLUDES_AVFORMAT'],
 313                    define_name='DCPOMATIC_HAVE_EBUR128_PATCHED_FFMPEG',
 314                    mandatory=False)
 315
 316     # Boost
 317     if conf.options.static_boost:
 318         conf.env.STLIB_BOOST_THREAD = ['boost_thread']
 319         conf.env.STLIB_BOOST_FILESYSTEM = ['boost_filesystem%s' % boost_lib_suffix]
 320         conf.env.STLIB_BOOST_DATETIME = ['boost_date_time%s' % boost_lib_suffix, 'boost_system%s' % boost_lib_suffix]
 321         conf.env.STLIB_BOOST_SIGNALS2 = ['boost_signals2']
 322         conf.env.STLIB_BOOST_SYSTEM = ['boost_system']
 323         conf.env.STLIB_BOOST_REGEX = ['boost_regex']
 324     else:
 325         conf.check_cxx(fragment="""
 326                             #include <boost/version.hpp>\n
 327                             #if BOOST_VERSION < 104500\n
 328                             #error boost too old\n
 329                             #endif\n
 330                             int main(void) { return 0; }\n
 331                             """,
 332                        mandatory=True,
 333                        msg='Checking for boost library >= 1.45',
 334                        okmsg='yes',
 335                        errmsg='too old\nPlease install boost version 1.45 or higher.')
 336
 337         conf.check_cxx(fragment="""
 338                             #include <boost/thread.hpp>\n
 339                             int main() { boost::thread t (); }\n
 340                             """,
 341                        msg='Checking for boost threading library',
 342                        libpath='/usr/local/lib',
 343                        lib=[boost_thread, 'boost_system%s' % boost_lib_suffix],
 344                        uselib_store='BOOST_THREAD')
 345
 346         conf.check_cxx(fragment="""
 347                             #include <boost/filesystem.hpp>\n
 348                             int main() { boost::filesystem::copy_file ("a", "b"); }\n
 349                             """,
 350                        msg='Checking for boost filesystem library',
 351                        libpath='/usr/local/lib',
 352                        lib=['boost_filesystem%s' % boost_lib_suffix, 'boost_system%s' % boost_lib_suffix],
 353                        uselib_store='BOOST_FILESYSTEM')
 354
 355         conf.check_cxx(fragment="""
 356                             #include <boost/date_time.hpp>\n
 357                             int main() { boost::gregorian::day_clock::local_day(); }\n
 358                             """,
 359                        msg='Checking for boost datetime library',
 360                        libpath='/usr/local/lib',
 361                        lib=['boost_date_time%s' % boost_lib_suffix, 'boost_system%s' % boost_lib_suffix],
 362                        uselib_store='BOOST_DATETIME')
 363
 364         conf.check_cxx(fragment="""
 365                             #include <boost/signals2.hpp>\n
 366                             int main() { boost::signals2::signal<void (int)> x; }\n
 367                             """,
 368                        msg='Checking for boost signals2 library',
 369                        uselib_store='BOOST_SIGNALS2')
 370
 371         conf.check_cxx(fragment="""
 372                             #include <boost/regex.hpp>\n
 373                             int main() { boost::regex re ("foo"); }\n
 374                             """,
 375                        msg='Checking for boost regex library',
 376                        lib=['boost_regex%s' % boost_lib_suffix],
 377                        uselib_store='BOOST_REGEX')
 378
 379     # libxml++ requires glibmm and versions of glibmm 2.45.31 and later
 380     # must be built with -std=c++11 as they use c++11
 381     # features and c++11 is not (yet) the default in gcc.
 382     glibmm_version = conf.cmd_and_log(['pkg-config', '--modversion', 'glibmm-2.4'], output=Context.STDOUT, quiet=Context.BOTH)
 383     s = glibmm_version.split('.')
 384     v = (int(s[0]) << 16) | (int(s[1]) << 8) | int(s[2])
 385     if v >= 0x022D1F:
 386         conf.env.append_value('CXXFLAGS', '-std=c++11')
 387
 388     # Other stuff
 389
 390     conf.find_program('msgfmt', var='MSGFMT')
 391
 392     datadir = conf.env.DATADIR
 393     if not datadir:
 394         datadir = os.path.join(conf.env.PREFIX, 'share')
 395
 396     conf.define('LOCALEDIR', os.path.join(datadir, 'locale'))
 397     conf.define('DATADIR', datadir)
 398
 399     conf.recurse('src')
 400     if not conf.env.DISABLE_TESTS:
 401         conf.recurse('test')
 402
 403     Logs.pprint('YELLOW', '')
 404     if conf.env.TARGET_WINDOWS:
 405         Logs.pprint('YELLOW', '\t' + 'Target'.ljust(25) + ': Windows')
 406     elif conf.env.TARGET_LINUX:
 407         Logs.pprint('YELLOW', '\t' + 'Target'.ljust(25) + ': Linux')
 408     elif conf.env.TARGET_OSX:
 409         Logs.pprint('YELLOW', '\t' + 'Target'.ljust(25) + ': OS X')
 410
 411     def report(name, variable):
 412         linkage = ''
 413         if variable:
 414             linkage = 'static'
 415         else:
 416             linkage = 'dynamic'
 417         Logs.pprint('YELLOW', '\t%s: %s' % (name.ljust(25), linkage))
 418
 419     report('DCP-o-matic libraries', conf.options.static_dcpomatic)
 420     report('Boost', conf.options.static_boost)
 421     report('wxWidgets', conf.options.static_wxwidgets)
 422     report('FFmpeg', conf.options.static_ffmpeg)
 423     report('libxml++', conf.options.static_xmlpp)
 424     report('xmlsec', conf.options.static_xmlsec)
 425     report('libssh', conf.options.static_ssh)
 426     report('libcxml', conf.options.static_cxml)
 427     report('libdcp', conf.options.static_dcp)
 428     report('libcurl', conf.options.static_curl)
 429
 430     Logs.pprint('YELLOW', '')
 431
 432 def build(bld):
 433     create_version_cc(VERSION, bld.env.CXXFLAGS)
 434
 435     bld.recurse('src')
 436     bld.recurse('graphics')
 437
 438     if not bld.env.DISABLE_TESTS:
 439         bld.recurse('test')
 440     if bld.env.TARGET_WINDOWS:
 441         bld.recurse('platform/windows')
 442     if bld.env.TARGET_LINUX:
 443         bld.recurse('platform/linux')
 444     if bld.env.TARGET_OSX:
 445         bld.recurse('platform/osx')
 446
 447     if not bld.env.TARGET_WINDOWS:
 448         bld.install_files('${PREFIX}/share/dcpomatic2', 'fonts/LiberationSans-Regular.ttf')
 449         bld.install_files('${PREFIX}/share/dcpomatic2', 'fonts/LiberationSans-Italic.ttf')
 450         bld.install_files('${PREFIX}/share/dcpomatic2', 'fonts/LiberationSans-Bold.ttf')
 451
 452     bld.add_post_fun(post)
 453
 454 def git_revision():
 455     if not os.path.exists('.git'):
 456         return None
 457
 458     cmd = "LANG= git log --abbrev HEAD^..HEAD ."
 459     output = subprocess.Popen(cmd, shell=True, stderr=subprocess.STDOUT, stdout=subprocess.PIPE).communicate()[0].splitlines()
 460     o = output[0].decode('utf-8')
 461     return o.replace("commit ", "")[0:10]
 462
 463 def dist(ctx):
 464     r = git_revision()
 465     if r is not None:
 466         f = open('.git_revision', 'w')
 467         print >>f,r
 468     f.close()
 469
 470     ctx.excl = """
 471                TODO core *~ src/wx/*~ src/lib/*~ builds/*~ doc/manual/*~ src/tools/*~ *.pyc .waf* build .git
 472                deps alignment hacks sync *.tar.bz2 *.exe .lock* *build-windows doc/manual/pdf doc/manual/html
 473                GRSYMS GRTAGS GSYMS GTAGS
 474                """
 475
 476 def create_version_cc(version, cxx_flags):
 477     commit = git_revision()
 478     if commit is None and os.path.exists('.git_revision'):
 479         f = open('.git_revision', 'r')
 480         commit = f.readline().strip()
 481
 482     if commit is None:
 483         commit = 'release'
 484
 485     try:
 486         text =  '#include "version.h"\n'
 487         text += 'char const * dcpomatic_git_commit = \"%s\";\n' % commit
 488         text += 'char const * dcpomatic_version = \"%s\";\n' % version
 489
 490         t = ''
 491         for f in cxx_flags:
 492             f = f.replace('"', '\\"')
 493             t += f + ' '
 494         text += 'char const * dcpomatic_cxx_flags = \"%s\";\n' % t[:-1]
 495
 496         print('Writing version information to src/lib/version.cc')
 497         o = open('src/lib/version.cc', 'w')
 498         o.write(text)
 499         o.close()
 500     except IOError:
 501         print('Could not open src/lib/version.cc for writing\n')
 502         sys.exit(-1)
 503
 504 def post(ctx):
 505     if ctx.cmd == 'install':
 506         ctx.exec_command('/sbin/ldconfig')
 507
 508 def pot(bld):
 509     bld.recurse('src')
 510
 511 def pot_merge(bld):
 512     bld.recurse('src')
 513
 514 def tags(bld):
 515     os.system('etags src/lib/*.cc src/lib/*.h src/wx/*.cc src/wx/*.h src/tools/*.cc')
 516
 517 def cppcheck(bld):
 518     os.system('cppcheck --enable=all --quiet .')