wscript

   1 #
   2 #    Copyright (C) 2012-2021 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('--target-windows',    action='store_true', default=False, help='set up to do a cross-compile for Windows')
  61     opt.add_option('--target-macos-arm64', action='store_true', default=False, help='set up to do a cross-compile for macOS arm64')
  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('--use-lld',           action='store_true', default=False, help='use lld linker')
  75     opt.add_option('--enable-disk',       action='store_true', default=False, help='build dcpomatic2_disk tool; requires Boost process, lwext4 and nanomsg libraries')
  76     opt.add_option('--warnings-are-errors', action='store_true', default=False, help='build with -Werror')
  77     opt.add_option('--wx-config',         help='path to wx-config')
  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.destdir == '':
  96         conf.env.INSTALL_PREFIX = conf.options.prefix
  97     else:
  98         conf.env.INSTALL_PREFIX = conf.options.destdir
  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                                        '-fno-strict-aliasing',
 105                                        '-Wall',
 106                                        '-Wextra',
 107                                        '-Wwrite-strings',
 108                                        # I tried and failed to ignore these with _Pragma
 109                                        '-Wno-ignored-qualifiers',
 110                                        '-D_FILE_OFFSET_BITS=64',
 111                                        '-std=c++11'])
 112
 113     if conf.options.warnings_are_errors:
 114         conf.env.append_value('CXXFLAGS', '-Werror')
 115
 116     if not conf.options.target_macos_arm64:
 117         conf.env.append_value('CXXFLAGS', '-msse')
 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', '-DBOOST_THREAD_PROVIDES_GENERIC_SHARED_MUTEX_ON_WIN')
 155         conf.env.append_value('CXXFLAGS', '-mfpmath=sse')
 156         conf.env.append_value('CXXFLAGS', '-Wcast-align')
 157         wxrc = os.popen('wx-config --rescomp').read().split()[1:]
 158         conf.env.append_value('WINRCFLAGS', wxrc)
 159         if conf.options.enable_debug:
 160             conf.env.append_value('CXXFLAGS', ['-mconsole'])
 161             conf.env.append_value('LINKFLAGS', ['-mconsole'])
 162         conf.check(lib='ws2_32', uselib_store='WINSOCK2', msg="Checking for library winsock2")
 163         conf.check(lib='dbghelp', uselib_store='DBGHELP', msg="Checking for library dbghelp")
 164         conf.check(lib='shlwapi', uselib_store='SHLWAPI', msg="Checking for library shlwapi")
 165         conf.check(lib='mswsock', uselib_store='MSWSOCK', msg="Checking for library mswsock")
 166         conf.check(lib='ole32', uselib_store='OLE32', msg="Checking for library ole32")
 167         conf.check(lib='dsound', uselib_store='DSOUND', msg="Checking for library dsound")
 168         conf.check(lib='winmm', uselib_store='WINMM', msg="Checking for library winmm")
 169         conf.check(lib='ksuser', uselib_store='KSUSER', msg="Checking for library ksuser")
 170         conf.check(lib='setupapi', uselib_store='SETUPAPI', msg="Checking for library setupapi")
 171         boost_lib_suffix = '-mt'
 172         boost_thread = 'boost_thread-mt'
 173         conf.check_cxx(fragment="""
 174                                #include <boost/locale.hpp>\n
 175                                int main() { std::locale::global (boost::locale::generator().generate ("")); }\n
 176                                """,
 177                                msg='Checking for boost locale library',
 178                                libpath='/usr/local/lib',
 179                                lib=['boost_locale%s' % boost_lib_suffix, 'boost_system%s' % boost_lib_suffix],
 180                                uselib_store='BOOST_LOCALE')
 181
 182     # POSIX
 183     if conf.env.TARGET_LINUX or conf.env.TARGET_OSX:
 184         conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_POSIX')
 185         boost_lib_suffix = ''
 186         boost_thread = 'boost_thread'
 187         conf.env.append_value('LINKFLAGS', '-pthread')
 188
 189     # Linux
 190     if conf.env.TARGET_LINUX:
 191         conf.env.append_value('CXXFLAGS', '-mfpmath=sse')
 192         conf.env.append_value('CXXFLAGS', '-DLINUX_LOCALE_PREFIX="%s/share/locale"' % conf.env['INSTALL_PREFIX'])
 193         conf.env.append_value('CXXFLAGS', '-DLINUX_SHARE_PREFIX="%s/share"' % conf.env['INSTALL_PREFIX'])
 194         conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_LINUX')
 195         conf.env.append_value('CXXFLAGS', ['-Wlogical-op', '-Wcast-align'])
 196         conf.check(lib='dl', uselib_store='DL', msg='Checking for library dl')
 197
 198     # OSX
 199     if conf.env.TARGET_OSX:
 200         conf.env.append_value('CXXFLAGS', ['-DDCPOMATIC_OSX', '-DGL_SILENCE_DEPRECATION'])
 201         conf.env.append_value('LINKFLAGS', '-headerpad_max_install_names')
 202
 203     #
 204     # Dependencies.
 205     #
 206
 207     # It should be possible to use check_cfg for both dynamic and static linking, but
 208     # e.g. pkg-config --libs --static foo returns some libraries that should be statically
 209     # linked and others that should be dynamic.  This doesn't work too well with waf
 210     # as it wants them separate.
 211
 212     # libcurl
 213     if conf.options.static_curl:
 214         conf.env.STLIB_CURL = ['curl']
 215         conf.env.LIB_CURL = ['ssh2', 'idn']
 216     else:
 217         conf.check_cfg(package='libcurl', args='--cflags --libs', atleast_version='7.19.1', uselib_store='CURL', mandatory=True)
 218
 219     # libicu
 220     if conf.check_cfg(package='icu-i18n', args='--cflags --libs', uselib_store='ICU', mandatory=False) is None:
 221         if conf.check_cfg(package='icu', args='--cflags --libs', uselib_store='ICU', mandatory=False) is None:
 222             conf.check_cxx(fragment="""
 223                             #include <unicode/ucsdet.h>
 224                             int main(void) {
 225                                 UErrorCode status = U_ZERO_ERROR;
 226                                 UCharsetDetector* detector = ucsdet_open (&status);
 227                                 return 0; }\n
 228                             """,
 229                        mandatory=True,
 230                        msg='Checking for libicu',
 231                        okmsg='yes',
 232                        libpath=['/usr/local/lib', '/usr/lib', '/usr/lib/x86_64-linux-gnu'],
 233                        lib=['icuio', 'icui18n', 'icudata', 'icuuc'],
 234                        uselib_store='ICU')
 235
 236     # libsamplerate
 237     conf.check_cfg(package='samplerate', args='--cflags --libs', uselib_store='SAMPLERATE', mandatory=True)
 238
 239     # glib
 240     conf.check_cfg(package='glib-2.0', args='--cflags --libs', uselib_store='GLIB', mandatory=True)
 241
 242     # libzip
 243     conf.check_cfg(package='libzip', args='--cflags --libs', uselib_store='ZIP', mandatory=True)
 244     conf.check_cxx(fragment="""
 245                             #include <zip.h>
 246                             int main() { zip_source_t* foo; }
 247                             """,
 248                    mandatory=False,
 249                    msg="Checking for zip_source_t",
 250                    uselib="ZIP",
 251                    define_name='DCPOMATIC_HAVE_ZIP_SOURCE_T'
 252                    )
 253
 254     # libbz2; must be explicitly linked on macOS for some reason
 255     conf.check_cxx(fragment="""
 256                             #include <bzlib.h>
 257                             int main() { BZ2_bzCompressInit(0, 0, 0, 0); }
 258                             """,
 259                    mandatory=True,
 260                    msg="Checking for libbz2",
 261                    okmsg='yes',
 262                    lib='bz2',
 263                    uselib_store="BZ2"
 264                    )
 265
 266     # fontconfig
 267     conf.check_cfg(package='fontconfig', args='--cflags --libs', uselib_store='FONTCONFIG', mandatory=True)
 268
 269     # pangomm
 270     conf.check_cfg(package='pangomm-1.4', args='--cflags --libs', uselib_store='PANGOMM', mandatory=True)
 271
 272     # cairomm
 273     conf.check_cfg(package='cairomm-1.0', args='--cflags --libs', uselib_store='CAIROMM', mandatory=True)
 274
 275     # leqm_nrt
 276     conf.check_cfg(package='leqm_nrt', args='--cflags --libs', uselib_store='LEQM_NRT', mandatory=True)
 277
 278     # libcxml
 279     if conf.options.static_cxml:
 280         conf.check_cfg(package='libcxml', atleast_version='0.17.0', args='--cflags', uselib_store='CXML', mandatory=True)
 281         conf.env.STLIB_CXML = ['cxml']
 282     else:
 283         conf.check_cfg(package='libcxml', atleast_version='0.16.0', args='--cflags --libs', uselib_store='CXML', mandatory=True)
 284
 285     # libssh
 286     if conf.options.static_ssh:
 287         conf.env.STLIB_SSH = ['ssh']
 288         if conf.options.workaround_gssapi:
 289             conf.env.LIB_SSH = ['gssapi_krb5']
 290     else:
 291         conf.check_cxx(fragment="""
 292                                #include <libssh/libssh.h>\n
 293                                int main () {\n
 294                                ssh_new ();\n
 295                                return 0;\n
 296                                }
 297                                """,
 298                       msg='Checking for library libssh',
 299                       mandatory=True,
 300                       lib='ssh',
 301                       uselib_store='SSH')
 302
 303     # libdcp
 304     if conf.options.static_dcp:
 305         conf.check_cfg(package='libdcp-1.0', atleast_version='1.8.0', args='--cflags', uselib_store='DCP', mandatory=True)
 306         conf.env.DEFINES_DCP = [f.replace('\\', '') for f in conf.env.DEFINES_DCP]
 307         conf.env.STLIB_DCP = ['dcp-1.0', 'asdcp-carl', 'kumu-carl', 'openjp2']
 308         conf.env.LIB_DCP = ['glibmm-2.4', 'ssl', 'crypto', 'bz2', 'xslt', 'xerces-c']
 309     else:
 310         conf.check_cfg(package='libdcp-1.0', atleast_version='1.8.0', args='--cflags --libs', uselib_store='DCP', mandatory=True)
 311         conf.env.DEFINES_DCP = [f.replace('\\', '') for f in conf.env.DEFINES_DCP]
 312
 313     # libsub
 314     if conf.options.static_sub:
 315         conf.check_cfg(package='libsub-1.0', atleast_version='1.4.7', args='--cflags', uselib_store='SUB', mandatory=True)
 316         conf.env.DEFINES_SUB = [f.replace('\\', '') for f in conf.env.DEFINES_SUB]
 317         conf.env.STLIB_SUB = ['sub-1.0']
 318     else:
 319         conf.check_cfg(package='libsub-1.0', atleast_version='1.4.7', args='--cflags --libs', uselib_store='SUB', mandatory=True)
 320         conf.env.DEFINES_SUB = [f.replace('\\', '') for f in conf.env.DEFINES_SUB]
 321
 322     # libxml++
 323     if conf.options.static_xmlpp:
 324         conf.env.STLIB_XMLPP = ['xml++-2.6']
 325         conf.env.LIB_XMLPP = ['xml2']
 326     else:
 327         conf.check_cfg(package='libxml++-2.6', args='--cflags --libs', uselib_store='XMLPP', mandatory=True)
 328
 329     # libxmlsec
 330     if conf.options.static_xmlsec:
 331         if conf.check_cxx(lib='xmlsec1-openssl', mandatory=False):
 332             conf.env.STLIB_XMLSEC = ['xmlsec1-openssl', 'xmlsec1']
 333         else:
 334             conf.env.STLIB_XMLSEC = ['xmlsec1']
 335     else:
 336         conf.env.LIB_XMLSEC = ['xmlsec1-openssl', 'xmlsec1']
 337
 338     # nettle
 339     conf.check_cfg(package="nettle", args='--cflags --libs', uselib_store='NETTLE', mandatory=True)
 340
 341     # libpng
 342     conf.check_cfg(package='libpng', args='--cflags --libs', uselib_store='PNG', mandatory=True)
 343
 344     # lwext4
 345     if conf.options.enable_disk:
 346         conf.check_cxx(fragment="""
 347                                 #include <lwext4/ext4.h>\n
 348                                 int main() { ext4_mount("ext4_fs", "/mp/", false); }\n
 349                                 """,
 350                                 msg='Checking for lwext4 library',
 351                                 libpath='/usr/local/lib',
 352                                 lib=['lwext4', 'blockdev'],
 353                                 uselib_store='LWEXT4')
 354
 355     if conf.env.TARGET_LINUX and conf.options.enable_disk:
 356         conf.check_cfg(package='polkit-gobject-1', args='--cflags --libs', uselib_store='POLKIT', mandatory=True)
 357
 358     # nanomsg
 359     if conf.options.enable_disk:
 360         if conf.check_cfg(package='nanomsg', args='--cflags --libs', uselib_store='NANOMSG', mandatory=False) is None:
 361             conf.check_cfg(package='libnanomsg', args='--cflags --libs', uselib_store='NANOMSG', mandatory=True)
 362         if conf.env.TARGET_LINUX:
 363             # We link with nanomsg statically on Centos 8 so we need to link this as well
 364             conf.env.LIB_NANOMSG.append('anl')
 365
 366     # FFmpeg
 367     if conf.options.static_ffmpeg:
 368         names = ['avformat', 'avfilter', 'avcodec', 'avutil', 'swscale', 'postproc', 'swresample']
 369         for name in names:
 370             static = subprocess.Popen(shlex.split('pkg-config --static --libs lib%s' % name), stdout=subprocess.PIPE).communicate()[0].decode('utf-8')
 371             libs = []
 372             stlibs = []
 373             include = []
 374             libpath = []
 375             for s in static.split():
 376                 if s.startswith('-L'):
 377                     libpath.append(s[2:])
 378                 elif s.startswith('-I'):
 379                     include.append(s[2:])
 380                 elif s.startswith('-l'):
 381                     if s[2:] not in names:
 382                         libs.append(s[2:])
 383                     else:
 384                         stlibs.append(s[2:])
 385
 386             conf.env['LIB_%s' % name.upper()] = libs
 387             conf.env['STLIB_%s' % name.upper()] = stlibs
 388             conf.env['INCLUDES_%s' % name.upper()] = include
 389             conf.env['LIBPATH_%s' % name.upper()] = libpath
 390     else:
 391         conf.check_cfg(package='libavformat', args='--cflags --libs', uselib_store='AVFORMAT', mandatory=True)
 392         conf.check_cfg(package='libavfilter', args='--cflags --libs', uselib_store='AVFILTER', mandatory=True)
 393         conf.check_cfg(package='libavcodec', args='--cflags --libs', uselib_store='AVCODEC', mandatory=True)
 394         conf.check_cfg(package='libavutil', args='--cflags --libs', uselib_store='AVUTIL', mandatory=True)
 395         conf.check_cfg(package='libswscale', args='--cflags --libs', uselib_store='SWSCALE', mandatory=True)
 396         conf.check_cfg(package='libpostproc', args='--cflags --libs', uselib_store='POSTPROC', mandatory=True)
 397         conf.check_cfg(package='libswresample', args='--cflags --libs', uselib_store='SWRESAMPLE', mandatory=True)
 398
 399     # Check to see if we have our version of FFmpeg that allows us to get at EBUR128 results
 400     conf.check_cxx(fragment="""
 401                             extern "C" {\n
 402                             #include <libavfilter/f_ebur128.h>\n
 403                             }\n
 404                             int main () { av_ebur128_get_true_peaks (0); }\n
 405                             """,
 406                    msg='Checking for EBUR128-patched FFmpeg',
 407                    uselib='AVCODEC AVFILTER',
 408                    define_name='DCPOMATIC_HAVE_EBUR128_PATCHED_FFMPEG',
 409                    mandatory=False)
 410
 411     # Check to see if we have our AVSubtitleRect has a pict member
 412     # Older versions (e.g. that shipped with Ubuntu 16.04) do
 413     conf.check_cxx(fragment="""
 414                             extern "C" {\n
 415                             #include <libavcodec/avcodec.h>\n
 416                             }\n
 417                             int main () { AVSubtitleRect r; r.pict; }\n
 418                             """,
 419                    msg='Checking for AVSubtitleRect::pict',
 420                    cxxflags='-Wno-unused-result -Wno-unused-value -Wdeprecated-declarations -Werror',
 421                    uselib='AVCODEC',
 422                    define_name='DCPOMATIC_HAVE_AVSUBTITLERECT_PICT',
 423                    mandatory=False)
 424
 425     # Check to see if we have our AVComponentDescriptor has a depth_minus1 member
 426     # Older versions (e.g. that shipped with Ubuntu 16.04) do
 427     conf.check_cxx(fragment="""
 428                             extern "C" {\n
 429                             #include <libavutil/pixdesc.h>\n
 430                             }\n
 431                             int main () { AVComponentDescriptor d; d.depth_minus1; }\n
 432                             """,
 433                    msg='Checking for AVComponentDescriptor::depth_minus1',
 434                    cxxflags='-Wno-unused-result -Wno-unused-value -Wdeprecated-declarations -Werror',
 435                    uselib='AVUTIL',
 436                    define_name='DCPOMATIC_HAVE_AVCOMPONENTDESCRIPTOR_DEPTH_MINUS1',
 437                    mandatory=False)
 438
 439     # See if we have av_register_all and avfilter_register_all
 440     conf.check_cxx(fragment="""
 441                             extern "C" {\n
 442                             #include <libavformat/avformat.h>\n
 443                             #include <libavfilter/avfilter.h>\n
 444                             }\n
 445                             int main () { av_register_all(); avfilter_register_all(); }\n
 446                             """,
 447                    msg='Checking for av_register_all and avfilter_register_all',
 448                    uselib='AVFORMAT AVFILTER',
 449                    define_name='DCPOMATIC_HAVE_AVREGISTER',
 450                    mandatory=False)
 451
 452     # Hack: the previous two check_cxx calls end up copying their (necessary) cxxflags
 453     # to these variables.  We don't want to use these for the actual build, so clean them out.
 454     conf.env['CXXFLAGS_AVCODEC'] = []
 455     conf.env['CXXFLAGS_AVUTIL'] = []
 456
 457     if conf.env.TARGET_LINUX:
 458         conf.env.LIB_X11 = ['X11']
 459
 460     # We support older boosts on Linux so we can use the distribution-provided package
 461     # on Centos 7, but it's good if we can use 1.61 for boost::dll::program_location()
 462     boost_version = ('1.45', '104500') if conf.env.TARGET_LINUX else ('1.61', '106800')
 463
 464     # Boost
 465     if conf.options.static_boost:
 466         conf.env.STLIB_BOOST_THREAD = ['boost_thread']
 467         conf.env.STLIB_BOOST_FILESYSTEM = ['boost_filesystem%s' % boost_lib_suffix]
 468         conf.env.STLIB_BOOST_DATETIME = ['boost_date_time%s' % boost_lib_suffix, 'boost_system%s' % boost_lib_suffix]
 469         conf.env.STLIB_BOOST_SIGNALS2 = ['boost_signals2']
 470         conf.env.STLIB_BOOST_SYSTEM = ['boost_system']
 471         conf.env.STLIB_BOOST_REGEX = ['boost_regex']
 472     else:
 473         conf.check_cxx(fragment="""
 474                             #include <boost/version.hpp>\n
 475                             #if BOOST_VERSION < %s\n
 476                             #error boost too old\n
 477                             #endif\n
 478                             int main(void) { return 0; }\n
 479                             """ % boost_version[1],
 480                        mandatory=True,
 481                        msg='Checking for boost library >= %s' % boost_version[0],
 482                        okmsg='yes',
 483                        errmsg='too old\nPlease install boost version %s or higher.' % boost_version[0])
 484
 485         conf.check_cxx(fragment="""
 486                             #include <boost/thread.hpp>\n
 487                             int main() { boost::thread t; }\n
 488                             """,
 489                        msg='Checking for boost threading library',
 490                        libpath='/usr/local/lib',
 491                        lib=[boost_thread, 'boost_system%s' % boost_lib_suffix],
 492                        uselib_store='BOOST_THREAD')
 493
 494         conf.check_cxx(fragment="""
 495                             #include <boost/filesystem.hpp>\n
 496                             int main() { boost::filesystem::copy_file ("a", "b"); }\n
 497                             """,
 498                        msg='Checking for boost filesystem library',
 499                        libpath='/usr/local/lib',
 500                        lib=['boost_filesystem%s' % boost_lib_suffix, 'boost_system%s' % boost_lib_suffix],
 501                        uselib_store='BOOST_FILESYSTEM')
 502
 503         conf.check_cxx(fragment="""
 504                             #include <boost/date_time.hpp>\n
 505                             int main() { boost::gregorian::day_clock::local_day(); }\n
 506                             """,
 507                        msg='Checking for boost datetime library',
 508                        libpath='/usr/local/lib',
 509                        lib=['boost_date_time%s' % boost_lib_suffix, 'boost_system%s' % boost_lib_suffix],
 510                        uselib_store='BOOST_DATETIME')
 511
 512         conf.check_cxx(fragment="""
 513                             #include <boost/signals2.hpp>\n
 514                             int main() { boost::signals2::signal<void (int)> x; }\n
 515                             """,
 516                        msg='Checking for boost signals2 library',
 517                        uselib_store='BOOST_SIGNALS2')
 518
 519         conf.check_cxx(fragment="""
 520                             #include <boost/regex.hpp>\n
 521                             int main() { boost::regex re ("foo"); }\n
 522                             """,
 523                        msg='Checking for boost regex library',
 524                        lib=['boost_regex%s' % boost_lib_suffix],
 525                        uselib_store='BOOST_REGEX')
 526
 527         # Really just checking for the header here (there's no associated library) but the test
 528         # program has to link with boost_system so I'm doing it this way.
 529         if conf.options.enable_disk:
 530             deps = ['boost_system%s' % boost_lib_suffix]
 531             if conf.env.TARGET_WINDOWS:
 532                 deps.append('ws2_32')
 533                 deps.append('boost_filesystem%s' % boost_lib_suffix)
 534             conf.check_cxx(fragment="""
 535                                 #include <boost/process.hpp>\n
 536                                 int main() { new boost::process::child("foo"); }\n
 537                                 """,
 538                            cxxflags='-Wno-unused-parameter',
 539                            msg='Checking for boost process library',
 540                            lib=deps,
 541                            uselib_store='BOOST_PROCESS')
 542
 543     # Other stuff
 544
 545     conf.find_program('msgfmt', var='MSGFMT')
 546     conf.check(header_name='valgrind/memcheck.h', mandatory=False)
 547
 548     datadir = conf.env.DATADIR
 549     if not datadir:
 550         datadir = os.path.join(conf.env.PREFIX, 'share')
 551
 552     conf.define('LOCALEDIR', os.path.join(datadir, 'locale'))
 553     conf.define('DATADIR', datadir)
 554
 555     conf.recurse('src')
 556     if not conf.env.DISABLE_TESTS:
 557         conf.recurse('test')
 558
 559     Logs.pprint('YELLOW', '')
 560     if conf.env.TARGET_WINDOWS:
 561         Logs.pprint('YELLOW', '\t' + 'Target'.ljust(25) + ': Windows')
 562     elif conf.env.TARGET_LINUX:
 563         Logs.pprint('YELLOW', '\t' + 'Target'.ljust(25) + ': Linux')
 564     elif conf.env.TARGET_OSX:
 565         Logs.pprint('YELLOW', '\t' + 'Target'.ljust(25) + ': OS X')
 566
 567     def report(name, variable):
 568         linkage = ''
 569         if variable:
 570             linkage = 'static'
 571         else:
 572             linkage = 'dynamic'
 573         Logs.pprint('YELLOW', '\t%s: %s' % (name.ljust(25), linkage))
 574
 575     report('DCP-o-matic libraries', conf.options.static_dcpomatic)
 576     report('Boost', conf.options.static_boost)
 577     report('wxWidgets', conf.options.static_wxwidgets)
 578     report('FFmpeg', conf.options.static_ffmpeg)
 579     report('libxml++', conf.options.static_xmlpp)
 580     report('xmlsec', conf.options.static_xmlsec)
 581     report('libssh', conf.options.static_ssh)
 582     report('libcxml', conf.options.static_cxml)
 583     report('libdcp', conf.options.static_dcp)
 584     report('libcurl', conf.options.static_curl)
 585
 586     Logs.pprint('YELLOW', '')
 587
 588 def download_supporters(can_fail):
 589     r = os.system('curl -m 2 -s -f https://dcpomatic.com/supporters.cc > src/wx/supporters.cc')
 590     if (r >> 8) == 0:
 591         r = os.system('curl -s -f https://dcpomatic.com/subscribers.cc > src/wx/subscribers.cc')
 592     if (r >> 8) != 0:
 593         if can_fail:
 594             raise Exception("Could not download supporters lists (%d)" % (r >> 8))
 595         else:
 596             f = open('src/wx/supporters.cc', 'w')
 597             print('supported_by.Add(wxT("Debug build - no supporters lists available"));', file=f)
 598             f.close()
 599             f = open('src/wx/subscribers.cc', 'w')
 600             print('subscribers.Add(wxT("Debug build - no subscribers lists available"));', file=f)
 601             f.close()
 602
 603 def build(bld):
 604     create_version_cc(VERSION, bld.env.CXXFLAGS)
 605     download_supporters(not bld.env.DEBUG)
 606
 607     bld.recurse('src')
 608     bld.recurse('graphics')
 609
 610     if not bld.env.DISABLE_TESTS:
 611         bld.recurse('test')
 612     if bld.env.TARGET_WINDOWS:
 613         bld.recurse('platform/windows')
 614     if bld.env.TARGET_LINUX:
 615         bld.recurse('platform/linux')
 616     if bld.env.TARGET_OSX:
 617         bld.recurse('platform/osx')
 618
 619     if not bld.env.TARGET_WINDOWS:
 620         bld.install_files('${PREFIX}/share/dcpomatic2', 'fonts/LiberationSans-Regular.ttf')
 621         bld.install_files('${PREFIX}/share/dcpomatic2', 'fonts/LiberationSans-Italic.ttf')
 622         bld.install_files('${PREFIX}/share/dcpomatic2', 'fonts/LiberationSans-Bold.ttf')
 623
 624     bld.add_post_fun(post)
 625
 626 def git_revision():
 627     if not os.path.exists('.git'):
 628         return None
 629
 630     cmd = "LANG= git log --abbrev HEAD^..HEAD ."
 631     output = subprocess.Popen(cmd, shell=True, stderr=subprocess.STDOUT, stdout=subprocess.PIPE).communicate()[0].splitlines()
 632     if len(output) == 0:
 633         return None
 634     o = output[0].decode('utf-8')
 635     return o.replace("commit ", "")[0:10]
 636
 637 def dist(ctx):
 638     r = git_revision()
 639     if r is not None:
 640         f = open('.git_revision', 'w')
 641         print(r, file=f)
 642         f.close()
 643
 644     ctx.excl = """
 645                TODO core *~ src/wx/*~ src/lib/*~ builds/*~ doc/manual/*~ src/tools/*~ *.pyc .waf* build .git
 646                deps alignment hacks sync *.tar.bz2 *.exe .lock* *build-windows doc/manual/pdf doc/manual/html
 647                GRSYMS GRTAGS GSYMS GTAGS compile_commands.json
 648                """
 649
 650 def create_version_cc(version, cxx_flags):
 651     commit = git_revision()
 652     if commit is None and os.path.exists('.git_revision'):
 653         f = open('.git_revision', 'r')
 654         commit = f.readline().strip()
 655
 656     if commit is None:
 657         commit = 'release'
 658
 659     try:
 660         text =  '#include "version.h"\n'
 661         text += 'char const * dcpomatic_git_commit = \"%s\";\n' % commit
 662         text += 'char const * dcpomatic_version = \"%s\";\n' % version
 663
 664         t = ''
 665         for f in cxx_flags:
 666             f = f.replace('"', '\\"')
 667             t += f + ' '
 668         text += 'char const * dcpomatic_cxx_flags = \"%s\";\n' % t[:-1]
 669
 670         print('Writing version information to src/lib/version.cc')
 671         o = open('src/lib/version.cc', 'w')
 672         o.write(text)
 673         o.close()
 674     except IOError:
 675         print('Could not open src/lib/version.cc for writing\n')
 676         sys.exit(-1)
 677
 678 def post(ctx):
 679     if ctx.cmd == 'install' and ctx.env.TARGET_LINUX:
 680         ctx.exec_command('/sbin/ldconfig')
 681         # setuid root executable
 682         exe = os.path.join(ctx.env['INSTALL_PREFIX'], 'bin/%s/dcpomatic2_disk_writer')
 683         if os.path.exists(exe):
 684             os.chmod(exe, 0o4755)
 685
 686 def pot(bld):
 687     bld.recurse('src')
 688
 689 def pot_merge(bld):
 690     bld.recurse('src')
 691
 692 def tags(bld):
 693     os.system('etags src/lib/*.cc src/lib/*.h src/wx/*.cc src/wx/*.h src/tools/*.cc')
 694
 695 def cppcheck(bld):
 696     os.system('cppcheck --enable=all --quiet .')