wscript

   1 #
   2 #    Copyright (C) 2012-2019 Carl Hetherington <cth@carlh.net>
   3 #
   4 #    This file is part of DCP-o-matic.
   5 #
   6 #    DCP-o-matic is free software; you can redistribute it and/or modify
   7 #    it under the terms of the GNU General Public License as published by
   8 #    the Free Software Foundation; either version 2 of the License, or
   9 #    (at your option) any later version.
  10 #
  11 #    DCP-o-matic is distributed in the hope that it will be useful,
  12 #    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 #    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 #    GNU General Public License for more details.
  15 #
  16 #    You should have received a copy of the GNU General Public License
  17 #    along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
  18 #
  19
  20 from __future__ import print_function
  21
  22 import subprocess
  23 import os
  24 import shlex
  25 import sys
  26 import glob
  27 import distutils
  28 import distutils.spawn
  29 try:
  30     # python 2
  31     from urllib import urlencode
  32 except ImportError:
  33     # python 3
  34     from urllib.parse import urlencode
  35 from waflib import Logs, Context
  36
  37 APPNAME = 'dcpomatic'
  38
  39 this_version = subprocess.Popen(shlex.split('git tag -l --points-at HEAD'), stdout=subprocess.PIPE).communicate()[0]
  40 last_version = subprocess.Popen(shlex.split('git describe --tags --abbrev=0'), stdout=subprocess.PIPE).communicate()[0]
  41
  42 # Python 2/3 compatibility; I don't really understand what's going on here
  43 if not isinstance(this_version, str):
  44     this_version = this_version.decode('utf-8')
  45 if not isinstance(last_version, str):
  46     last_version = last_version.decode('utf-8')
  47
  48 if this_version == '':
  49     VERSION = '%sdevel' % last_version[1:].strip()
  50 else:
  51     VERSION = this_version[1:].strip()
  52
  53 def options(opt):
  54     opt.load('compiler_cxx')
  55     opt.load('winres')
  56
  57     opt.add_option('--enable-debug',      action='store_true', default=False, help='build with debugging information and without optimisation')
  58     opt.add_option('--disable-gui',       action='store_true', default=False, help='disable building of GUI tools')
  59     opt.add_option('--disable-tests',     action='store_true', default=False, help='disable building of tests')
  60     opt.add_option('--install-prefix',                         default=None,  help='prefix of where DCP-o-matic will be installed')
  61     opt.add_option('--target-windows',    action='store_true', default=False, help='set up to do a cross-compile to make a Windows package')
  62     opt.add_option('--static-dcpomatic',  action='store_true', default=False, help='link to components of DCP-o-matic statically')
  63     opt.add_option('--static-boost',      action='store_true', default=False, help='link statically to Boost')
  64     opt.add_option('--static-wxwidgets',  action='store_true', default=False, help='link statically to wxWidgets')
  65     opt.add_option('--static-ffmpeg',     action='store_true', default=False, help='link statically to FFmpeg')
  66     opt.add_option('--static-xmlpp',      action='store_true', default=False, help='link statically to libxml++')
  67     opt.add_option('--static-xmlsec',     action='store_true', default=False, help='link statically to xmlsec')
  68     opt.add_option('--static-ssh',        action='store_true', default=False, help='link statically to libssh')
  69     opt.add_option('--static-cxml',       action='store_true', default=False, help='link statically to libcxml')
  70     opt.add_option('--static-dcp',        action='store_true', default=False, help='link statically to libdcp')
  71     opt.add_option('--static-sub',        action='store_true', default=False, help='link statically to libsub')
  72     opt.add_option('--static-curl',       action='store_true', default=False, help='link statically to libcurl')
  73     opt.add_option('--workaround-gssapi', action='store_true', default=False, help='link to gssapi_krb5')
  74     opt.add_option('--force-cpp11',       action='store_true', default=False, help='force use of C++11')
  75     opt.add_option('--use-lld',           action='store_true', default=False, help='use lld linker')
  76     opt.add_option('--enable-disk',       action='store_true', default=False, help='build dcpomatic2_disk tool; requires Boost process, lwext4 and nanomsg libraries')
  77     opt.add_option('--warnings-are-errors', action='store_true', default=False, help='build with -Werror')
  78
  79 def configure(conf):
  80     conf.load('compiler_cxx')
  81     conf.load('clang_compilation_database', tooldir=['waf-tools'])
  82     if conf.options.target_windows:
  83         conf.load('winres')
  84
  85     # Save conf.options that we need elsewhere in conf.env
  86     conf.env.DISABLE_GUI = conf.options.disable_gui
  87     conf.env.DISABLE_TESTS = conf.options.disable_tests
  88     conf.env.TARGET_WINDOWS = conf.options.target_windows
  89     conf.env.TARGET_OSX = sys.platform == 'darwin'
  90     conf.env.TARGET_LINUX = not conf.env.TARGET_WINDOWS and not conf.env.TARGET_OSX
  91     conf.env.VERSION = VERSION
  92     conf.env.DEBUG = conf.options.enable_debug
  93     conf.env.STATIC_DCPOMATIC = conf.options.static_dcpomatic
  94     conf.env.ENABLE_DISK = conf.options.enable_disk
  95     if conf.options.install_prefix is None:
  96         conf.env.INSTALL_PREFIX = conf.env.PREFIX
  97     else:
  98         conf.env.INSTALL_PREFIX = conf.options.install_prefix
  99
 100     # Common CXXFLAGS
 101     conf.env.append_value('CXXFLAGS', ['-D__STDC_CONSTANT_MACROS',
 102                                        '-D__STDC_LIMIT_MACROS',
 103                                        '-D__STDC_FORMAT_MACROS',
 104                                        '-msse',
 105                                        '-fno-strict-aliasing',
 106                                        '-Wall',
 107                                        '-Wextra',
 108                                        '-Wwrite-strings',
 109                                        # I tried and failed to ignore these with _Pragma
 110                                        '-Wno-ignored-qualifiers',
 111                                        '-D_FILE_OFFSET_BITS=64'])
 112
 113     if conf.options.force_cpp11:
 114         conf.env.append_value('CXXFLAGS', ['-std=c++11', '-DBOOST_NO_CXX11_SCOPED_ENUMS'])
 115
 116     if conf.options.warnings_are_errors:
 117         conf.env.append_value('CXXFLAGS', '-Werror')
 118
 119     if conf.env['CXX_NAME'] == 'gcc':
 120         gcc = conf.env['CC_VERSION']
 121         if int(gcc[0]) >= 8:
 122             # I tried and failed to ignore these with _Pragma
 123             conf.env.append_value('CXXFLAGS', ['-Wno-cast-function-type'])
 124         have_c11 = int(gcc[0]) >= 4 and int(gcc[1]) >= 8 and int(gcc[2]) >= 1
 125         # Most gccs still give these warnings from boost::optional
 126         conf.env.append_value('CXXFLAGS', ['-Wno-maybe-uninitialized'])
 127     else:
 128         have_c11 = False
 129
 130     if conf.options.enable_debug:
 131         conf.env.append_value('CXXFLAGS', ['-g', '-DDCPOMATIC_DEBUG', '-fno-omit-frame-pointer'])
 132     else:
 133         conf.env.append_value('CXXFLAGS', '-O2')
 134
 135     if conf.options.enable_disk:
 136         conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_DISK')
 137
 138     if conf.options.use_lld:
 139         try:
 140             conf.find_program('ld.lld')
 141             conf.env.append_value('LINKFLAGS', '-fuse-ld=lld')
 142         except conf.errors.ConfigurationError:
 143             pass
 144
 145     #
 146     # Windows/Linux/OS X specific
 147     #
 148
 149     # Windows
 150     if conf.env.TARGET_WINDOWS:
 151         conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_WINDOWS')
 152         conf.env.append_value('CXXFLAGS', '-DWIN32_LEAN_AND_MEAN')
 153         conf.env.append_value('CXXFLAGS', '-DBOOST_USE_WINDOWS_H')
 154         conf.env.append_value('CXXFLAGS', '-DUNICODE')
 155         conf.env.append_value('CXXFLAGS', '-DBOOST_THREAD_PROVIDES_GENERIC_SHARED_MUTEX_ON_WIN')
 156         conf.env.append_value('CXXFLAGS', '-mfpmath=sse')
 157         conf.env.append_value('CXXFLAGS', '-std=c++11')
 158         conf.env.append_value('CXXFLAGS', '-Wcast-align')
 159         wxrc = os.popen('wx-config --rescomp').read().split()[1:]
 160         conf.env.append_value('WINRCFLAGS', wxrc)
 161         if conf.options.enable_debug:
 162             conf.env.append_value('CXXFLAGS', ['-mconsole'])
 163             conf.env.append_value('LINKFLAGS', ['-mconsole'])
 164         conf.check(lib='ws2_32', uselib_store='WINSOCK2', msg="Checking for library winsock2")
 165         conf.check(lib='dbghelp', uselib_store='DBGHELP', msg="Checking for library dbghelp")
 166         conf.check(lib='shlwapi', uselib_store='SHLWAPI', msg="Checking for library shlwapi")
 167         conf.check(lib='mswsock', uselib_store='MSWSOCK', msg="Checking for library mswsock")
 168         conf.check(lib='ole32', uselib_store='OLE32', msg="Checking for library ole32")
 169         conf.check(lib='dsound', uselib_store='DSOUND', msg="Checking for library dsound")
 170         conf.check(lib='winmm', uselib_store='WINMM', msg="Checking for library winmm")
 171         conf.check(lib='ksuser', uselib_store='KSUSER', msg="Checking for library ksuser")
 172         conf.check(lib='setupapi', uselib_store='SETUPAPI', msg="Checking for library setupapi")
 173         boost_lib_suffix = '-mt'
 174         boost_thread = 'boost_thread-mt'
 175         conf.check_cxx(fragment="""
 176                                #include <boost/locale.hpp>\n
 177                                int main() { std::locale::global (boost::locale::generator().generate ("")); }\n
 178                                """,
 179                                msg='Checking for boost locale library',
 180                                libpath='/usr/local/lib',
 181                                lib=['boost_locale%s' % boost_lib_suffix, 'boost_system%s' % boost_lib_suffix],
 182                                uselib_store='BOOST_LOCALE')
 183
 184     # POSIX
 185     if conf.env.TARGET_LINUX or conf.env.TARGET_OSX:
 186         conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_POSIX')
 187         boost_lib_suffix = ''
 188         boost_thread = 'boost_thread'
 189         conf.env.append_value('LINKFLAGS', '-pthread')
 190
 191     # Linux
 192     if conf.env.TARGET_LINUX:
 193         conf.env.append_value('CXXFLAGS', '-mfpmath=sse')
 194         conf.env.append_value('CXXFLAGS', '-DLINUX_LOCALE_PREFIX="%s/share/locale"' % conf.env['INSTALL_PREFIX'])
 195         conf.env.append_value('CXXFLAGS', '-DLINUX_SHARE_PREFIX="%s/share"' % conf.env['INSTALL_PREFIX'])
 196         conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_LINUX')
 197         conf.env.append_value('CXXFLAGS', ['-Wlogical-op', '-Wcast-align'])
 198         conf.check(lib='dl', uselib_store='DL', msg='Checking for library dl')
 199
 200     # OSX
 201     if conf.env.TARGET_OSX:
 202         conf.env.append_value('CXXFLAGS', ['-DDCPOMATIC_OSX'])
 203         conf.env.append_value('LINKFLAGS', '-headerpad_max_install_names')
 204
 205     #
 206     # Dependencies.
 207     #
 208
 209     # It should be possible to use check_cfg for both dynamic and static linking, but
 210     # e.g. pkg-config --libs --static foo returns some libraries that should be statically
 211     # linked and others that should be dynamic.  This doesn't work too well with waf
 212     # as it wants them separate.
 213
 214     # libcurl
 215     if conf.options.static_curl:
 216         conf.env.STLIB_CURL = ['curl']
 217         conf.env.LIB_CURL = ['ssh2', 'idn']
 218     else:
 219         conf.check_cfg(package='libcurl', args='--cflags --libs', atleast_version='7.19.1', uselib_store='CURL', mandatory=True)
 220
 221     # libicu
 222     if conf.check_cfg(package='icu-i18n', args='--cflags --libs', uselib_store='ICU', mandatory=False) is None:
 223         if conf.check_cfg(package='icu', args='--cflags --libs', uselib_store='ICU', mandatory=False) is None:
 224             conf.check_cxx(fragment="""
 225                             #include <unicode/ucsdet.h>
 226                             int main(void) {
 227                                 UErrorCode status = U_ZERO_ERROR;
 228                                 UCharsetDetector* detector = ucsdet_open (&status);
 229                                 return 0; }\n
 230                             """,
 231                        mandatory=True,
 232                        msg='Checking for libicu',
 233                        okmsg='yes',
 234                        libpath=['/usr/local/lib', '/usr/lib', '/usr/lib/x86_64-linux-gnu'],
 235                        lib=['icuio', 'icui18n', 'icudata', 'icuuc'],
 236                        uselib_store='ICU')
 237
 238     # libsamplerate
 239     conf.check_cfg(package='samplerate', args='--cflags --libs', uselib_store='SAMPLERATE', mandatory=True)
 240
 241     # glib
 242     conf.check_cfg(package='glib-2.0', args='--cflags --libs', uselib_store='GLIB', mandatory=True)
 243
 244     # libzip
 245     conf.check_cfg(package='libzip', args='--cflags --libs', uselib_store='ZIP', mandatory=True)
 246     conf.check_cxx(fragment="""
 247                             #include <zip.h>
 248                             int main() { zip_source_t* foo; }
 249                             """,
 250                    mandatory=False,
 251                    msg="Checking for zip_source_t",
 252                    uselib="ZIP",
 253                    define_name='DCPOMATIC_HAVE_ZIP_SOURCE_T'
 254                    )
 255
 256     # fontconfig
 257     conf.check_cfg(package='fontconfig', args='--cflags --libs', uselib_store='FONTCONFIG', mandatory=True)
 258
 259     # pangomm
 260     conf.check_cfg(package='pangomm-1.4', args='--cflags --libs', uselib_store='PANGOMM', mandatory=True)
 261
 262     # cairomm
 263     conf.check_cfg(package='cairomm-1.0', args='--cflags --libs', uselib_store='CAIROMM', mandatory=True)
 264
 265     # leqm_nrt
 266     conf.check_cfg(package='leqm_nrt', args='--cflags --libs', uselib_store='LEQM_NRT', mandatory=True)
 267
 268     test_cxxflags = ''
 269     if have_c11:
 270         test_cxxflags = '-std=c++11'
 271
 272     # See if we have Cairo::ImageSurface::format_stride_for_width; Centos 5 does not
 273     conf.check_cxx(fragment="""
 274                             #include <cairomm/cairomm.h>
 275                             int main(void) {
 276                                 Cairo::ImageSurface::format_stride_for_width (Cairo::FORMAT_ARGB32, 1024);\n
 277                                 return 0; }\n
 278                             """,
 279                        mandatory=False,
 280                        cxxflags=test_cxxflags,
 281                        msg='Checking for format_stride_for_width',
 282                        okmsg='yes',
 283                        includes=conf.env['INCLUDES_CAIROMM'],
 284                        uselib='CAIROMM',
 285                        define_name='DCPOMATIC_HAVE_FORMAT_STRIDE_FOR_WIDTH')
 286
 287     # See if we have Pango::Layout::show_in_cairo_context; Centos 5 does not
 288     conf.check_cxx(fragment="""
 289                             #include <pangomm.h>
 290                             int main(void) {
 291                                 Cairo::RefPtr<Cairo::Context> context;
 292                                 Glib::RefPtr<Pango::Layout> layout;
 293                                 layout->show_in_cairo_context (context);
 294                                 return 0; }\n
 295                             """,
 296                        mandatory=False,
 297                        msg='Checking for show_in_cairo_context',
 298                        cxxflags=test_cxxflags,
 299                        okmsg='yes',
 300                        includes=conf.env['INCLUDES_PANGOMM'],
 301                        uselib='PANGOMM',
 302                        define_name='DCPOMATIC_HAVE_SHOW_IN_CAIRO_CONTEXT')
 303
 304
 305     # libcxml
 306     if conf.options.static_cxml:
 307         conf.check_cfg(package='libcxml', atleast_version='0.16.0', args='--cflags', uselib_store='CXML', mandatory=True)
 308         conf.env.STLIB_CXML = ['cxml']
 309     else:
 310         conf.check_cfg(package='libcxml', atleast_version='0.16.0', args='--cflags --libs', uselib_store='CXML', mandatory=True)
 311
 312     # libssh
 313     if conf.options.static_ssh:
 314         conf.env.STLIB_SSH = ['ssh']
 315         if conf.options.workaround_gssapi:
 316             conf.env.LIB_SSH = ['gssapi_krb5']
 317     else:
 318         conf.check_cxx(fragment="""
 319                                #include <libssh/libssh.h>\n
 320                                int main () {\n
 321                                ssh_new ();\n
 322                                return 0;\n
 323                                }
 324                                """,
 325                       msg='Checking for library libssh',
 326                       mandatory=True,
 327                       lib='ssh',
 328                       uselib_store='SSH')
 329
 330     # libdcp
 331     if conf.options.static_dcp:
 332         conf.check_cfg(package='libdcp-1.0', atleast_version='1.6.7', args='--cflags', uselib_store='DCP', mandatory=True)
 333         conf.env.DEFINES_DCP = [f.replace('\\', '') for f in conf.env.DEFINES_DCP]
 334         conf.env.STLIB_DCP = ['dcp-1.0', 'asdcp-carl', 'kumu-carl', 'openjp2']
 335         conf.env.LIB_DCP = ['glibmm-2.4', 'ssl', 'crypto', 'bz2', 'xslt', 'xerces-c']
 336     else:
 337         conf.check_cfg(package='libdcp-1.0', atleast_version='1.6.7', args='--cflags --libs', uselib_store='DCP', mandatory=True)
 338         conf.env.DEFINES_DCP = [f.replace('\\', '') for f in conf.env.DEFINES_DCP]
 339
 340     # libsub
 341     if conf.options.static_sub:
 342         conf.check_cfg(package='libsub-1.0', atleast_version='1.4.7', args='--cflags', uselib_store='SUB', mandatory=True)
 343         conf.env.DEFINES_SUB = [f.replace('\\', '') for f in conf.env.DEFINES_SUB]
 344         conf.env.STLIB_SUB = ['sub-1.0']
 345     else:
 346         conf.check_cfg(package='libsub-1.0', atleast_version='1.4.7', args='--cflags --libs', uselib_store='SUB', mandatory=True)
 347         conf.env.DEFINES_SUB = [f.replace('\\', '') for f in conf.env.DEFINES_SUB]
 348
 349     # libxml++
 350     if conf.options.static_xmlpp:
 351         conf.env.STLIB_XMLPP = ['xml++-2.6']
 352         conf.env.LIB_XMLPP = ['xml2']
 353     else:
 354         conf.check_cfg(package='libxml++-2.6', args='--cflags --libs', uselib_store='XMLPP', mandatory=True)
 355
 356     # libxmlsec
 357     if conf.options.static_xmlsec:
 358         if conf.check_cxx(lib='xmlsec1-openssl', mandatory=False):
 359             conf.env.STLIB_XMLSEC = ['xmlsec1-openssl', 'xmlsec1']
 360         else:
 361             conf.env.STLIB_XMLSEC = ['xmlsec1']
 362     else:
 363         conf.env.LIB_XMLSEC = ['xmlsec1-openssl', 'xmlsec1']
 364
 365     # nettle
 366     conf.check_cfg(package="nettle", args='--cflags --libs', uselib_store='NETTLE', mandatory=True)
 367
 368     # libpng
 369     conf.check_cfg(package='libpng', args='--cflags --libs', uselib_store='PNG', mandatory=True)
 370
 371     # lwext4
 372     if conf.options.enable_disk:
 373         conf.check_cxx(fragment="""
 374                                 #include <lwext4/ext4.h>\n
 375                                 int main() { ext4_mount("ext4_fs", "/mp/", false); }\n
 376                                 """,
 377                                 msg='Checking for lwext4 library',
 378                                 libpath='/usr/local/lib',
 379                                 lib=['lwext4', 'blockdev'],
 380                                 uselib_store='LWEXT4')
 381
 382     if conf.env.TARGET_LINUX and conf.options.enable_disk:
 383         conf.check_cfg(package='polkit-gobject-1', args='--cflags --libs', uselib_store='POLKIT', mandatory=True)
 384
 385     # nanomsg
 386     if conf.options.enable_disk:
 387         if conf.check_cfg(package='nanomsg', args='--cflags --libs', uselib_store='NANOMSG', mandatory=False) is None:
 388             conf.check_cfg(package='libnanomsg', args='--cflags --libs', uselib_store='NANOMSG', mandatory=True)
 389         if conf.env.TARGET_LINUX:
 390             # We link with nanomsg statically on Centos 8 so we need to link this as well
 391             conf.env.LIB_NANOMSG.append('anl')
 392
 393     # FFmpeg
 394     if conf.options.static_ffmpeg:
 395         names = ['avformat', 'avfilter', 'avcodec', 'avutil', 'swscale', 'postproc', 'swresample']
 396         for name in names:
 397             static = subprocess.Popen(shlex.split('pkg-config --static --libs lib%s' % name), stdout=subprocess.PIPE).communicate()[0].decode('utf-8')
 398             libs = []
 399             stlibs = []
 400             include = []
 401             libpath = []
 402             for s in static.split():
 403                 if s.startswith('-L'):
 404                     libpath.append(s[2:])
 405                 elif s.startswith('-I'):
 406                     include.append(s[2:])
 407                 elif s.startswith('-l'):
 408                     if s[2:] not in names:
 409                         libs.append(s[2:])
 410                     else:
 411                         stlibs.append(s[2:])
 412
 413             conf.env['LIB_%s' % name.upper()] = libs
 414             conf.env['STLIB_%s' % name.upper()] = stlibs
 415             conf.env['INCLUDES_%s' % name.upper()] = include
 416             conf.env['LIBPATH_%s' % name.upper()] = libpath
 417     else:
 418         conf.check_cfg(package='libavformat', args='--cflags --libs', uselib_store='AVFORMAT', mandatory=True)
 419         conf.check_cfg(package='libavfilter', args='--cflags --libs', uselib_store='AVFILTER', mandatory=True)
 420         conf.check_cfg(package='libavcodec', args='--cflags --libs', uselib_store='AVCODEC', mandatory=True)
 421         conf.check_cfg(package='libavutil', args='--cflags --libs', uselib_store='AVUTIL', mandatory=True)
 422         conf.check_cfg(package='libswscale', args='--cflags --libs', uselib_store='SWSCALE', mandatory=True)
 423         conf.check_cfg(package='libpostproc', args='--cflags --libs', uselib_store='POSTPROC', mandatory=True)
 424         conf.check_cfg(package='libswresample', args='--cflags --libs', uselib_store='SWRESAMPLE', mandatory=True)
 425
 426     # Check to see if we have our version of FFmpeg that allows us to get at EBUR128 results
 427     conf.check_cxx(fragment="""
 428                             extern "C" {\n
 429                             #include <libavfilter/f_ebur128.h>\n
 430                             }\n
 431                             int main () { av_ebur128_get_true_peaks (0); }\n
 432                             """,
 433                    msg='Checking for EBUR128-patched FFmpeg',
 434                    uselib='AVCODEC AVFILTER',
 435                    define_name='DCPOMATIC_HAVE_EBUR128_PATCHED_FFMPEG',
 436                    mandatory=False)
 437
 438     # Check to see if we have our AVSubtitleRect has a pict member
 439     # Older versions (e.g. that shipped with Ubuntu 16.04) do
 440     conf.check_cxx(fragment="""
 441                             extern "C" {\n
 442                             #include <libavcodec/avcodec.h>\n
 443                             }\n
 444                             int main () { AVSubtitleRect r; r.pict; }\n
 445                             """,
 446                    msg='Checking for AVSubtitleRect::pict',
 447                    cxxflags='-Wno-unused-result -Wno-unused-value -Wdeprecated-declarations -Werror',
 448                    uselib='AVCODEC',
 449                    define_name='DCPOMATIC_HAVE_AVSUBTITLERECT_PICT',
 450                    mandatory=False)
 451
 452     # Check to see if we have our AVComponentDescriptor has a depth_minus1 member
 453     # Older versions (e.g. that shipped with Ubuntu 16.04) do
 454     conf.check_cxx(fragment="""
 455                             extern "C" {\n
 456                             #include <libavutil/pixdesc.h>\n
 457                             }\n
 458                             int main () { AVComponentDescriptor d; d.depth_minus1; }\n
 459                             """,
 460                    msg='Checking for AVComponentDescriptor::depth_minus1',
 461                    cxxflags='-Wno-unused-result -Wno-unused-value -Wdeprecated-declarations -Werror',
 462                    uselib='AVUTIL',
 463                    define_name='DCPOMATIC_HAVE_AVCOMPONENTDESCRIPTOR_DEPTH_MINUS1',
 464                    mandatory=False)
 465
 466     # Hack: the previous two check_cxx calls end up copying their (necessary) cxxflags
 467     # to these variables.  We don't want to use these for the actual build, so clean them out.
 468     conf.env['CXXFLAGS_AVCODEC'] = []
 469     conf.env['CXXFLAGS_AVUTIL'] = []
 470
 471     if conf.env.TARGET_LINUX:
 472         conf.env.LIB_X11 = ['X11']
 473
 474     # Boost
 475     if conf.options.static_boost:
 476         conf.env.STLIB_BOOST_THREAD = ['boost_thread']
 477         conf.env.STLIB_BOOST_FILESYSTEM = ['boost_filesystem%s' % boost_lib_suffix]
 478         conf.env.STLIB_BOOST_DATETIME = ['boost_date_time%s' % boost_lib_suffix, 'boost_system%s' % boost_lib_suffix]
 479         conf.env.STLIB_BOOST_SIGNALS2 = ['boost_signals2']
 480         conf.env.STLIB_BOOST_SYSTEM = ['boost_system']
 481         conf.env.STLIB_BOOST_REGEX = ['boost_regex']
 482     else:
 483         conf.check_cxx(fragment="""
 484                             #include <boost/version.hpp>\n
 485                             #if BOOST_VERSION < 104500\n
 486                             #error boost too old\n
 487                             #endif\n
 488                             int main(void) { return 0; }\n
 489                             """,
 490                        mandatory=True,
 491                        msg='Checking for boost library >= 1.45',
 492                        okmsg='yes',
 493                        errmsg='too old\nPlease install boost version 1.45 or higher.')
 494
 495         conf.check_cxx(fragment="""
 496                             #include <boost/thread.hpp>\n
 497                             int main() { boost::thread t; }\n
 498                             """,
 499                        msg='Checking for boost threading library',
 500                        libpath='/usr/local/lib',
 501                        lib=[boost_thread, 'boost_system%s' % boost_lib_suffix],
 502                        uselib_store='BOOST_THREAD')
 503
 504         conf.check_cxx(fragment="""
 505                             #include <boost/filesystem.hpp>\n
 506                             int main() { boost::filesystem::copy_file ("a", "b"); }\n
 507                             """,
 508                        msg='Checking for boost filesystem library',
 509                        libpath='/usr/local/lib',
 510                        lib=['boost_filesystem%s' % boost_lib_suffix, 'boost_system%s' % boost_lib_suffix],
 511                        uselib_store='BOOST_FILESYSTEM')
 512
 513         conf.check_cxx(fragment="""
 514                             #include <boost/date_time.hpp>\n
 515                             int main() { boost::gregorian::day_clock::local_day(); }\n
 516                             """,
 517                        msg='Checking for boost datetime library',
 518                        libpath='/usr/local/lib',
 519                        lib=['boost_date_time%s' % boost_lib_suffix, 'boost_system%s' % boost_lib_suffix],
 520                        uselib_store='BOOST_DATETIME')
 521
 522         conf.check_cxx(fragment="""
 523                             #include <boost/signals2.hpp>\n
 524                             int main() { boost::signals2::signal<void (int)> x; }\n
 525                             """,
 526                        msg='Checking for boost signals2 library',
 527                        uselib_store='BOOST_SIGNALS2')
 528
 529         conf.check_cxx(fragment="""
 530                             #include <boost/regex.hpp>\n
 531                             int main() { boost::regex re ("foo"); }\n
 532                             """,
 533                        msg='Checking for boost regex library',
 534                        lib=['boost_regex%s' % boost_lib_suffix],
 535                        uselib_store='BOOST_REGEX')
 536
 537         # Really just checking for the header here (there's no associated library) but the test
 538         # program has to link with boost_system so I'm doing it this way.
 539         if conf.options.enable_disk:
 540             deps = ['boost_system%s' % boost_lib_suffix]
 541             if conf.env.TARGET_WINDOWS:
 542                 deps.append('ws2_32')
 543                 deps.append('boost_filesystem%s' % boost_lib_suffix)
 544             conf.check_cxx(fragment="""
 545                                 #include <boost/process.hpp>\n
 546                                 int main() { new boost::process::child("foo"); }\n
 547                                 """,
 548                            cxxflags='-Wno-unused-parameter',
 549                            msg='Checking for boost process library',
 550                            lib=deps,
 551                            uselib_store='BOOST_PROCESS')
 552
 553     # libxml++ requires glibmm and versions of glibmm 2.45.31 and later
 554     # must be built with -std=c++11 as they use c++11
 555     # features and c++11 is not (yet) the default in gcc.
 556     glibmm_version = conf.cmd_and_log(['pkg-config', '--modversion', 'glibmm-2.4'], output=Context.STDOUT, quiet=Context.BOTH)
 557     s = glibmm_version.split('.')
 558     v = (int(s[0]) << 16) | (int(s[1]) << 8) | int(s[2])
 559     if v >= 0x022D1F:
 560         conf.env.append_value('CXXFLAGS', '-std=c++11')
 561
 562     # Other stuff
 563
 564     conf.find_program('msgfmt', var='MSGFMT')
 565     conf.check(header_name='valgrind/memcheck.h', mandatory=False)
 566
 567     datadir = conf.env.DATADIR
 568     if not datadir:
 569         datadir = os.path.join(conf.env.PREFIX, 'share')
 570
 571     conf.define('LOCALEDIR', os.path.join(datadir, 'locale'))
 572     conf.define('DATADIR', datadir)
 573
 574     conf.recurse('src')
 575     if not conf.env.DISABLE_TESTS:
 576         conf.recurse('test')
 577
 578     Logs.pprint('YELLOW', '')
 579     if conf.env.TARGET_WINDOWS:
 580         Logs.pprint('YELLOW', '\t' + 'Target'.ljust(25) + ': Windows')
 581     elif conf.env.TARGET_LINUX:
 582         Logs.pprint('YELLOW', '\t' + 'Target'.ljust(25) + ': Linux')
 583     elif conf.env.TARGET_OSX:
 584         Logs.pprint('YELLOW', '\t' + 'Target'.ljust(25) + ': OS X')
 585
 586     def report(name, variable):
 587         linkage = ''
 588         if variable:
 589             linkage = 'static'
 590         else:
 591             linkage = 'dynamic'
 592         Logs.pprint('YELLOW', '\t%s: %s' % (name.ljust(25), linkage))
 593
 594     report('DCP-o-matic libraries', conf.options.static_dcpomatic)
 595     report('Boost', conf.options.static_boost)
 596     report('wxWidgets', conf.options.static_wxwidgets)
 597     report('FFmpeg', conf.options.static_ffmpeg)
 598     report('libxml++', conf.options.static_xmlpp)
 599     report('xmlsec', conf.options.static_xmlsec)
 600     report('libssh', conf.options.static_ssh)
 601     report('libcxml', conf.options.static_cxml)
 602     report('libdcp', conf.options.static_dcp)
 603     report('libcurl', conf.options.static_curl)
 604
 605     Logs.pprint('YELLOW', '')
 606
 607 def download_supporters(can_fail):
 608     r = os.system('curl -m 2 -s -f https://dcpomatic.com/supporters.cc > src/wx/supporters.cc')
 609     if (r >> 8) == 0:
 610         r = os.system('curl -s -f https://dcpomatic.com/subscribers.cc > src/wx/subscribers.cc')
 611     if (r >> 8) != 0:
 612         if can_fail:
 613             raise Exception("Could not download supporters lists (%d)" % (r >> 8))
 614         else:
 615             f = open('src/wx/supporters.cc', 'w')
 616             print('supported_by.Add(wxT("Debug build - no supporters lists available"));', file=f)
 617             f.close()
 618             f = open('src/wx/subscribers.cc', 'w')
 619             print('subscribers.Add(wxT("Debug build - no subscribers lists available"));', file=f)
 620             f.close()
 621
 622 def build(bld):
 623     create_version_cc(VERSION, bld.env.CXXFLAGS)
 624     download_supporters(not bld.env.DEBUG)
 625
 626     bld.recurse('src')
 627     bld.recurse('graphics')
 628
 629     if not bld.env.DISABLE_TESTS:
 630         bld.recurse('test')
 631     if bld.env.TARGET_WINDOWS:
 632         bld.recurse('platform/windows')
 633     if bld.env.TARGET_LINUX:
 634         bld.recurse('platform/linux')
 635     if bld.env.TARGET_OSX:
 636         bld.recurse('platform/osx')
 637
 638     if not bld.env.TARGET_WINDOWS:
 639         bld.install_files('${PREFIX}/share/dcpomatic2', 'fonts/LiberationSans-Regular.ttf')
 640         bld.install_files('${PREFIX}/share/dcpomatic2', 'fonts/LiberationSans-Italic.ttf')
 641         bld.install_files('${PREFIX}/share/dcpomatic2', 'fonts/LiberationSans-Bold.ttf')
 642
 643     bld.add_post_fun(post)
 644
 645 def git_revision():
 646     if not os.path.exists('.git'):
 647         return None
 648
 649     cmd = "LANG= git log --abbrev HEAD^..HEAD ."
 650     output = subprocess.Popen(cmd, shell=True, stderr=subprocess.STDOUT, stdout=subprocess.PIPE).communicate()[0].splitlines()
 651     if len(output) == 0:
 652         return None
 653     o = output[0].decode('utf-8')
 654     return o.replace("commit ", "")[0:10]
 655
 656 def dist(ctx):
 657     r = git_revision()
 658     if r is not None:
 659         f = open('.git_revision', 'w')
 660         print(r, file=f)
 661         f.close()
 662
 663     ctx.excl = """
 664                TODO core *~ src/wx/*~ src/lib/*~ builds/*~ doc/manual/*~ src/tools/*~ *.pyc .waf* build .git
 665                deps alignment hacks sync *.tar.bz2 *.exe .lock* *build-windows doc/manual/pdf doc/manual/html
 666                GRSYMS GRTAGS GSYMS GTAGS compile_commands.json
 667                """
 668
 669 def create_version_cc(version, cxx_flags):
 670     commit = git_revision()
 671     if commit is None and os.path.exists('.git_revision'):
 672         f = open('.git_revision', 'r')
 673         commit = f.readline().strip()
 674
 675     if commit is None:
 676         commit = 'release'
 677
 678     try:
 679         text =  '#include "version.h"\n'
 680         text += 'char const * dcpomatic_git_commit = \"%s\";\n' % commit
 681         text += 'char const * dcpomatic_version = \"%s\";\n' % version
 682
 683         t = ''
 684         for f in cxx_flags:
 685             f = f.replace('"', '\\"')
 686             t += f + ' '
 687         text += 'char const * dcpomatic_cxx_flags = \"%s\";\n' % t[:-1]
 688
 689         print('Writing version information to src/lib/version.cc')
 690         o = open('src/lib/version.cc', 'w')
 691         o.write(text)
 692         o.close()
 693     except IOError:
 694         print('Could not open src/lib/version.cc for writing\n')
 695         sys.exit(-1)
 696
 697 def post(ctx):
 698     if ctx.cmd == 'install' and ctx.env.TARGET_LINUX:
 699         ctx.exec_command('/sbin/ldconfig')
 700         # setuid root executables
 701         for e in ['dcpomatic2_uuid', 'dcpomatic2_disk_writer']:
 702             # I can't find anything which tells me where things have been installed to,
 703             # so here's some nasty hacks to guess.
 704             debian = os.path.join(ctx.out_dir, '../debian/dcpomatic/usr/bin/%s' % e)
 705             prefix = os.path.join(ctx.env['INSTALL_PREFIX'], 'bin/%s' % e)
 706             if os.path.exists(debian):
 707                 os.chmod(debian, 0o4755)
 708             if os.path.exists(prefix):
 709                 os.chmod(prefix, 0o4755)
 710
 711 def pot(bld):
 712     bld.recurse('src')
 713
 714 def pot_merge(bld):
 715     bld.recurse('src')
 716
 717 def tags(bld):
 718     os.system('etags src/lib/*.cc src/lib/*.h src/wx/*.cc src/wx/*.h src/tools/*.cc')
 719
 720 def cppcheck(bld):
 721     os.system('cppcheck --enable=all --quiet .')