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 libdcp_version = '1.8.73'
  39 libsub_version = '1.6.42'
  40
  41 this_version = subprocess.Popen(shlex.split('git tag -l --points-at HEAD'), stdout=subprocess.PIPE).communicate()[0]
  42 last_version = subprocess.Popen(shlex.split('git describe --tags --match v* --abbrev=0'), stdout=subprocess.PIPE).communicate()[0]
  43
  44 # Python 2/3 compatibility; I don't really understand what's going on here
  45 if not isinstance(this_version, str):
  46     this_version = this_version.decode('utf-8')
  47 if not isinstance(last_version, str):
  48     last_version = last_version.decode('utf-8')
  49
  50 if this_version == '' or this_version == 'merged-to-main':
  51     VERSION = '%sdevel' % last_version[1:].strip()
  52 else:
  53     VERSION = this_version[1:].strip()
  54
  55 def options(opt):
  56     opt.load('compiler_cxx')
  57     opt.load('winres')
  58
  59     opt.add_option('--enable-debug',      action='store_true', default=False, help='build with debugging information and without optimisation')
  60     opt.add_option('--disable-gui',       action='store_true', default=False, help='disable building of GUI tools')
  61     opt.add_option('--disable-tests',     action='store_true', default=False, help='disable building of tests')
  62     opt.add_option('--target-windows-64', action='store_true', default=False, help='set up to do a cross-compile for Windows 64-bit')
  63     opt.add_option('--target-windows-32', action='store_true', default=False, help='set up to do a cross-compile for Windows 32-bit')
  64     opt.add_option('--target-macos-arm64', action='store_true', default=False, help='set up to do a cross-compile for macOS arm64')
  65     opt.add_option('--static-dcpomatic',  action='store_true', default=False, help='link to components of DCP-o-matic statically')
  66     opt.add_option('--static-boost',      action='store_true', default=False, help='link statically to Boost')
  67     opt.add_option('--static-wxwidgets',  action='store_true', default=False, help='link statically to wxWidgets')
  68     opt.add_option('--static-ffmpeg',     action='store_true', default=False, help='link statically to FFmpeg')
  69     opt.add_option('--static-xmlpp',      action='store_true', default=False, help='link statically to libxml++')
  70     opt.add_option('--static-xmlsec',     action='store_true', default=False, help='link statically to xmlsec')
  71     opt.add_option('--static-ssh',        action='store_true', default=False, help='link statically to libssh')
  72     opt.add_option('--static-cxml',       action='store_true', default=False, help='link statically to libcxml')
  73     opt.add_option('--static-dcp',        action='store_true', default=False, help='link statically to libdcp')
  74     opt.add_option('--static-sub',        action='store_true', default=False, help='link statically to libsub')
  75     opt.add_option('--static-curl',       action='store_true', default=False, help='link statically to libcurl')
  76     opt.add_option('--workaround-gssapi', action='store_true', default=False, help='link to gssapi_krb5')
  77     opt.add_option('--use-lld',           action='store_true', default=False, help='use lld linker')
  78     opt.add_option('--enable-disk',       action='store_true', default=False, help='build dcpomatic2_disk tool; requires Boost process, lwext4 and nanomsg libraries')
  79     opt.add_option('--warnings-are-errors', action='store_true', default=False, help='build with -Werror')
  80     opt.add_option('--wx-config',         help='path to wx-config')
  81     opt.add_option('--enable-asan',       action='store_true', help='build with asan')
  82     opt.add_option('--disable-more-warnings', action='store_true', default=False, help='disable some warnings raised by Xcode 15 with the 2.16 branch')
  83
  84 def configure(conf):
  85     conf.load('compiler_cxx')
  86     conf.load('clang_compilation_database', tooldir=['waf-tools'])
  87     if conf.options.target_windows_64 or conf.options.target_windows_32:
  88         conf.load('winres')
  89
  90     # Save conf.options that we need elsewhere in conf.env
  91     conf.env.DISABLE_GUI = conf.options.disable_gui
  92     conf.env.DISABLE_TESTS = conf.options.disable_tests
  93     conf.env.TARGET_WINDOWS_64 = conf.options.target_windows_64
  94     conf.env.TARGET_WINDOWS_32 = conf.options.target_windows_32
  95     conf.env.TARGET_OSX = sys.platform == 'darwin'
  96     conf.env.TARGET_LINUX = not conf.env.TARGET_WINDOWS_64 and not conf.env.TARGET_WINDOWS_32 and not conf.env.TARGET_OSX
  97     conf.env.VERSION = VERSION
  98     conf.env.DEBUG = conf.options.enable_debug
  99     conf.env.STATIC_DCPOMATIC = conf.options.static_dcpomatic
 100     conf.env.ENABLE_DISK = conf.options.enable_disk
 101     if conf.options.destdir == '':
 102         conf.env.INSTALL_PREFIX = conf.options.prefix
 103     else:
 104         conf.env.INSTALL_PREFIX = conf.options.destdir
 105
 106     # Common CXXFLAGS
 107     conf.env.append_value('CXXFLAGS', ['-D__STDC_CONSTANT_MACROS',
 108                                        '-D__STDC_LIMIT_MACROS',
 109                                        '-D__STDC_FORMAT_MACROS',
 110                                        '-fno-strict-aliasing',
 111                                        '-Wall',
 112                                        '-Wextra',
 113                                        '-Wwrite-strings',
 114                                        # I tried and failed to ignore these with _Pragma
 115                                        '-Wno-ignored-qualifiers',
 116                                        '-D_FILE_OFFSET_BITS=64',
 117                                        '-std=c++11'])
 118
 119     if conf.options.disable_more_warnings:
 120         # These are for Xcode 15.0.1 with the v2.16.x-era
 121         # dependencies; maybe they aren't necessary when building
 122         # v2.1{7,8}.x
 123         conf.env.append_value('CXXFLAGS', ['-Wno-error=deprecated',
 124                                            '-Wno-deprecated-builtins',
 125                                            '-Wno-deprecated-declarations',
 126                                            '-Wno-enum-constexpr-conversion',
 127                                            '-Wno-deprecated-copy'])
 128
 129     if conf.options.warnings_are_errors:
 130         conf.env.append_value('CXXFLAGS', '-Werror')
 131
 132     if not conf.options.target_macos_arm64:
 133         conf.env.append_value('CXXFLAGS', '-msse')
 134
 135     if conf.options.enable_asan:
 136         conf.env.append_value('CXXFLAGS', '-fsanitize=address')
 137         conf.env.append_value('LINKFLAGS', '-fsanitize=address')
 138
 139     if conf.env['CXX_NAME'] == 'gcc':
 140         gcc = conf.env['CC_VERSION']
 141         if int(gcc[0]) >= 8:
 142             # I tried and failed to ignore these with _Pragma
 143             conf.env.append_value('CXXFLAGS', ['-Wno-cast-function-type'])
 144         # Most gccs still give these warnings from boost::optional
 145         conf.env.append_value('CXXFLAGS', ['-Wno-maybe-uninitialized'])
 146         if int(gcc[0]) > 4:
 147             # gcc 4.8.5 on Centos 7 does not have this warning
 148             conf.env.append_value('CXXFLAGS', ['-Wsuggest-override'])
 149
 150     if conf.options.enable_debug:
 151         conf.env.append_value('CXXFLAGS', ['-g', '-DDCPOMATIC_DEBUG', '-fno-omit-frame-pointer'])
 152     else:
 153         conf.env.append_value('CXXFLAGS', '-O2')
 154
 155     if conf.options.enable_disk:
 156         conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_DISK')
 157
 158     if conf.options.use_lld:
 159         try:
 160             conf.find_program('ld.lld')
 161             conf.env.append_value('LINKFLAGS', '-fuse-ld=lld')
 162         except conf.errors.ConfigurationError:
 163             pass
 164
 165     #
 166     # Windows/Linux/macOS specific
 167     #
 168
 169     # Windows
 170     if conf.env.TARGET_WINDOWS_64 or conf.env.TARGET_WINDOWS_32:
 171         conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_WINDOWS')
 172         conf.env.append_value('CXXFLAGS', '-DWIN32_LEAN_AND_MEAN')
 173         conf.env.append_value('CXXFLAGS', '-DBOOST_USE_WINDOWS_H')
 174         conf.env.append_value('CXXFLAGS', '-DBOOST_THREAD_PROVIDES_GENERIC_SHARED_MUTEX_ON_WIN')
 175         conf.env.append_value('CXXFLAGS', '-mfpmath=sse')
 176         conf.env.append_value('CXXFLAGS', '-Wcast-align')
 177         wxrc = os.popen('wx-config --rescomp').read().split()[1:]
 178         conf.env.append_value('WINRCFLAGS', wxrc)
 179         if conf.options.enable_debug:
 180             conf.env.append_value('CXXFLAGS', ['-mconsole'])
 181             conf.env.append_value('LINKFLAGS', ['-mconsole'])
 182         conf.check(lib='ws2_32', uselib_store='WINSOCK2', msg="Checking for library winsock2")
 183         conf.check(lib='dbghelp', uselib_store='DBGHELP', msg="Checking for library dbghelp")
 184         conf.check(lib='shlwapi', uselib_store='SHLWAPI', msg="Checking for library shlwapi")
 185         conf.check(lib='mswsock', uselib_store='MSWSOCK', msg="Checking for library mswsock")
 186         conf.check(lib='ole32', uselib_store='OLE32', msg="Checking for library ole32")
 187         conf.check(lib='dsound', uselib_store='DSOUND', msg="Checking for library dsound")
 188         conf.check(lib='winmm', uselib_store='WINMM', msg="Checking for library winmm")
 189         conf.check(lib='ksuser', uselib_store='KSUSER', msg="Checking for library ksuser")
 190         conf.check(lib='setupapi', uselib_store='SETUPAPI', msg="Checking for library setupapi")
 191         conf.check(lib='uuid', uselib_store='UUID', msg="Checking for library uuid")
 192         boost_lib_suffix = '-mt-x32' if conf.options.target_windows_32 else '-mt-x64'
 193         boost_thread = 'boost_thread' + boost_lib_suffix
 194         conf.check_cxx(fragment="""
 195                                #include <boost/locale.hpp>\n
 196                                int main() { std::locale::global (boost::locale::generator().generate ("")); }\n
 197                                """,
 198                                msg='Checking for boost locale library',
 199                                libpath='/usr/local/lib',
 200                                lib=['boost_locale%s' % boost_lib_suffix, 'boost_system%s' % boost_lib_suffix],
 201                                uselib_store='BOOST_LOCALE')
 202
 203     # POSIX
 204     if conf.env.TARGET_LINUX or conf.env.TARGET_OSX:
 205         conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_POSIX')
 206         boost_lib_suffix = ''
 207         boost_thread = 'boost_thread'
 208         conf.env.append_value('LINKFLAGS', '-pthread')
 209
 210     # Linux
 211     if conf.env.TARGET_LINUX:
 212         conf.env.append_value('CXXFLAGS', '-mfpmath=sse')
 213         conf.env.append_value('CXXFLAGS', '-DLINUX_LOCALE_PREFIX="%s/share/locale"' % conf.env['INSTALL_PREFIX'])
 214         conf.env.append_value('CXXFLAGS', '-DLINUX_SHARE_PREFIX="%s/share"' % conf.env['INSTALL_PREFIX'])
 215         conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_LINUX')
 216         conf.env.append_value('CXXFLAGS', ['-Wlogical-op', '-Wcast-align'])
 217         conf.check(lib='dl', uselib_store='DL', msg='Checking for library dl')
 218
 219     # OSX
 220     if conf.env.TARGET_OSX:
 221         conf.env.append_value('CXXFLAGS', ['-DDCPOMATIC_OSX', '-DGL_SILENCE_DEPRECATION'])
 222         conf.env.append_value('LINKFLAGS', '-headerpad_max_install_names')
 223         conf.env.append_value('LINKFLAGS', '-llzma')
 224
 225     #
 226     # Dependencies.
 227     #
 228
 229     # It should be possible to use check_cfg for both dynamic and static linking, but
 230     # e.g. pkg-config --libs --static foo returns some libraries that should be statically
 231     # linked and others that should be dynamic.  This doesn't work too well with waf
 232     # as it wants them separate.
 233
 234     # libcurl
 235     if conf.options.static_curl:
 236         conf.env.STLIB_CURL = ['curl']
 237         conf.env.LIB_CURL = ['ssh2', 'idn']
 238     else:
 239         conf.check_cfg(package='libcurl', args='libcurl >= 7.19.1 --cflags --libs', uselib_store='CURL', mandatory=True)
 240
 241     # libicu
 242     if conf.check_cfg(package='icu-i18n', args='--cflags --libs', uselib_store='ICU', mandatory=False) is None:
 243         if conf.check_cfg(package='icu', args='--cflags --libs', uselib_store='ICU', mandatory=False) is None:
 244             conf.check_cxx(fragment="""
 245                             #include <unicode/ucsdet.h>
 246                             int main(void) {
 247                                 UErrorCode status = U_ZERO_ERROR;
 248                                 UCharsetDetector* detector = ucsdet_open (&status);
 249                                 return 0; }\n
 250                             """,
 251                        mandatory=True,
 252                        msg='Checking for libicu',
 253                        okmsg='yes',
 254                        libpath=['/usr/local/lib', '/usr/lib', '/usr/lib/x86_64-linux-gnu'],
 255                        lib=['icuio', 'icui18n', 'icudata', 'icuuc'],
 256                        uselib_store='ICU')
 257
 258     # libsamplerate
 259     conf.check_cfg(package='samplerate', args='--cflags --libs', uselib_store='SAMPLERATE', mandatory=True)
 260
 261     # glib
 262     conf.check_cfg(package='glib-2.0', args='--cflags --libs', uselib_store='GLIB', mandatory=True)
 263
 264     # libzip
 265     conf.check_cfg(package='libzip', args='--cflags --libs', uselib_store='ZIP', mandatory=True)
 266     conf.check_cxx(fragment="""
 267                             #include <zip.h>
 268                             int main() { zip_source_t* foo; (void)foo; }
 269                             """,
 270                    mandatory=False,
 271                    msg="Checking for zip_source_t",
 272                    uselib="ZIP",
 273                    define_name='DCPOMATIC_HAVE_ZIP_SOURCE_T'
 274                    )
 275     conf.check_cxx(fragment="""
 276                             #include <zip.h>
 277                             int main() { struct zip* zip = nullptr; zip_source_t* source = nullptr; zip_file_add(zip, "foo", source, ZIP_FL_ENC_GUESS); }
 278                             """,
 279                    mandatory=False,
 280                    msg="Checking for zip_file_add",
 281                    uselib="ZIP",
 282                    define_name='DCPOMATIC_HAVE_ZIP_FILE_ADD'
 283                    )
 284
 285     # libbz2; must be explicitly linked on macOS for some reason
 286     conf.check_cxx(fragment="""
 287                             #include <bzlib.h>
 288                             int main() { BZ2_bzCompressInit(0, 0, 0, 0); }
 289                             """,
 290                    mandatory=True,
 291                    msg="Checking for libbz2",
 292                    okmsg='yes',
 293                    lib='bz2',
 294                    uselib_store="BZ2"
 295                    )
 296
 297     # libz; must be explicitly linked on macOS for some reason
 298     conf.check_cxx(fragment="""
 299                             #include <zlib.h>
 300                             int main() { zlibVersion(); }
 301                             """,
 302                    mandatory=True,
 303                    msg="Checking for libz",
 304                    okmsg='yes',
 305                    lib='z',
 306                    uselib_store="LIBZ"
 307                    )
 308
 309     # fontconfig
 310     conf.check_cfg(package='fontconfig', args='--cflags --libs', uselib_store='FONTCONFIG', mandatory=True)
 311
 312     # pangomm
 313     conf.check_cfg(package='pangomm-1.4', args='--cflags --libs', uselib_store='PANGOMM', mandatory=True)
 314
 315     # cairomm
 316     conf.check_cfg(package='cairomm-1.0', args='--cflags --libs', uselib_store='CAIROMM', mandatory=True)
 317
 318     # leqm_nrt
 319     conf.check_cfg(package='leqm_nrt', args='--cflags --libs', uselib_store='LEQM_NRT', mandatory=True)
 320
 321     # libcxml
 322     if conf.options.static_cxml:
 323         conf.check_cfg(package='libcxml', args='libcxml >= 0.17.0 --cflags', uselib_store='CXML', mandatory=True)
 324         conf.env.STLIB_CXML = ['cxml']
 325     else:
 326         conf.check_cfg(package='libcxml', args='libcxml >= 0.16.0 --cflags --libs', uselib_store='CXML', mandatory=True)
 327
 328     # libssh
 329     if conf.options.static_ssh:
 330         conf.env.STLIB_SSH = ['ssh']
 331         if conf.options.workaround_gssapi:
 332             conf.env.LIB_SSH = ['gssapi_krb5']
 333     else:
 334         conf.check_cxx(fragment="""
 335                                #include <libssh/libssh.h>\n
 336                                int main () {\n
 337                                ssh_new ();\n
 338                                return 0;\n
 339                                }
 340                                """,
 341                       msg='Checking for library libssh',
 342                       mandatory=True,
 343                       lib='ssh',
 344                       uselib_store='SSH')
 345
 346     # libdcp
 347     if conf.options.static_dcp:
 348         conf.check_cfg(package='libdcp-1.0', args='libdcp-1.0 >= %s --cflags' % libdcp_version, uselib_store='DCP', mandatory=True)
 349         conf.env.DEFINES_DCP = [f.replace('\\', '') for f in conf.env.DEFINES_DCP]
 350         conf.env.STLIB_DCP = ['dcp-1.0', 'asdcp-carl', 'kumu-carl', 'openjp2']
 351         conf.env.LIB_DCP = ['glibmm-2.4', 'ssl', 'crypto', 'bz2', 'xslt', 'xerces-c']
 352     else:
 353         conf.check_cfg(package='libdcp-1.0', args='libdcp-1.0 >= %s --cflags --libs' % libdcp_version, uselib_store='DCP', mandatory=True)
 354         conf.env.DEFINES_DCP = [f.replace('\\', '') for f in conf.env.DEFINES_DCP]
 355
 356     # libsub
 357     if conf.options.static_sub:
 358         conf.check_cfg(package='libsub-1.0', args='libsub-1.0 >= %s --cflags' % libsub_version, uselib_store='SUB', mandatory=True)
 359         conf.env.DEFINES_SUB = [f.replace('\\', '') for f in conf.env.DEFINES_SUB]
 360         conf.env.STLIB_SUB = ['sub-1.0']
 361     else:
 362         conf.check_cfg(package='libsub-1.0', args='libsub-1.0 >= %s --cflags --libs' % libsub_version, uselib_store='SUB', mandatory=True)
 363         conf.env.DEFINES_SUB = [f.replace('\\', '') for f in conf.env.DEFINES_SUB]
 364
 365     # libxml++
 366     if conf.options.static_xmlpp:
 367         conf.env.STLIB_XMLPP = ['xml++-2.6']
 368         conf.env.LIB_XMLPP = ['xml2']
 369     else:
 370         conf.check_cfg(package='libxml++-2.6', args='--cflags --libs', uselib_store='XMLPP', mandatory=True)
 371
 372     # libxmlsec
 373     if conf.options.static_xmlsec:
 374         if conf.check_cxx(lib='xmlsec1-openssl', mandatory=False):
 375             conf.env.STLIB_XMLSEC = ['xmlsec1-openssl', 'xmlsec1']
 376         else:
 377             conf.env.STLIB_XMLSEC = ['xmlsec1']
 378     else:
 379         conf.env.LIB_XMLSEC = ['xmlsec1-openssl', 'xmlsec1']
 380
 381     # nettle
 382     conf.check_cfg(package="nettle", args='--cflags --libs', uselib_store='NETTLE', mandatory=True)
 383
 384     # libpng
 385     conf.check_cfg(package='libpng', args='--cflags --libs', uselib_store='PNG', mandatory=True)
 386
 387     # libjpeg
 388     conf.check_cxx(fragment="""
 389                             #include <cstddef>
 390                             #include <cstdio>
 391                             #include <jpeglib.h>
 392                             int main() { struct jpeg_compress_struct compress; jpeg_create_compress (&compress); return 0; }
 393                             """,
 394                    msg='Checking for libjpeg',
 395                    libpath='/usr/local/lib',
 396                    lib=['jpeg'],
 397                    uselib_store='JPEG')
 398
 399     # lwext4
 400     if conf.options.enable_disk:
 401         conf.check_cxx(fragment="""
 402                                 #include <lwext4/ext4.h>\n
 403                                 int main() { ext4_mount("ext4_fs", "/mp/", false); }\n
 404                                 """,
 405                                 msg='Checking for lwext4 library',
 406                                 libpath='/usr/local/lib',
 407                                 lib=['lwext4', 'blockdev'],
 408                                 uselib_store='LWEXT4')
 409
 410     if conf.env.TARGET_LINUX and conf.options.enable_disk:
 411         conf.check_cfg(package='polkit-gobject-1', args='--cflags --libs', uselib_store='POLKIT', mandatory=True)
 412
 413     # nanomsg
 414     if conf.options.enable_disk:
 415         if conf.check_cfg(package='nanomsg', args='--cflags --libs', uselib_store='NANOMSG', mandatory=False) is None:
 416             conf.check_cfg(package='libnanomsg', args='--cflags --libs', uselib_store='NANOMSG', mandatory=True)
 417         if conf.env.TARGET_LINUX:
 418             # We link with nanomsg statically on Centos 8 so we need to link this as well
 419             conf.env.LIB_NANOMSG.append('anl')
 420
 421     # FFmpeg
 422     if conf.options.static_ffmpeg:
 423         names = ['avformat', 'avfilter', 'avcodec', 'avutil', 'swscale', 'postproc', 'swresample']
 424         for name in names:
 425             static = subprocess.Popen(shlex.split('pkg-config --static --libs lib%s' % name), stdout=subprocess.PIPE).communicate()[0].decode('utf-8')
 426             libs = []
 427             stlibs = []
 428             include = []
 429             libpath = []
 430             for s in static.split():
 431                 if s.startswith('-L'):
 432                     libpath.append(s[2:])
 433                 elif s.startswith('-I'):
 434                     include.append(s[2:])
 435                 elif s.startswith('-l'):
 436                     if s[2:] not in names:
 437                         libs.append(s[2:])
 438                     else:
 439                         stlibs.append(s[2:])
 440
 441             conf.env['LIB_%s' % name.upper()] = libs
 442             conf.env['STLIB_%s' % name.upper()] = stlibs
 443             conf.env['INCLUDES_%s' % name.upper()] = include
 444             conf.env['LIBPATH_%s' % name.upper()] = libpath
 445     else:
 446         conf.check_cfg(package='libavformat', args='--cflags --libs', uselib_store='AVFORMAT', mandatory=True)
 447         conf.check_cfg(package='libavfilter', args='--cflags --libs', uselib_store='AVFILTER', mandatory=True)
 448         conf.check_cfg(package='libavcodec', args='--cflags --libs', uselib_store='AVCODEC', mandatory=True)
 449         conf.check_cfg(package='libavutil', args='--cflags --libs', uselib_store='AVUTIL', mandatory=True)
 450         conf.check_cfg(package='libswscale', args='--cflags --libs', uselib_store='SWSCALE', mandatory=True)
 451         conf.check_cfg(package='libpostproc', args='--cflags --libs', uselib_store='POSTPROC', mandatory=True)
 452         conf.check_cfg(package='libswresample', args='--cflags --libs', uselib_store='SWRESAMPLE', mandatory=True)
 453
 454     # Check to see if we have our version of FFmpeg that allows us to get at EBUR128 results
 455     conf.check_cxx(fragment="""
 456                             extern "C" {\n
 457                             #include <libavfilter/f_ebur128.h>\n
 458                             }\n
 459                             int main () { av_ebur128_get_true_peaks (0); }\n
 460                             """,
 461                    msg='Checking for EBUR128-patched FFmpeg',
 462                    uselib='AVCODEC AVFILTER',
 463                    define_name='DCPOMATIC_HAVE_EBUR128_PATCHED_FFMPEG',
 464                    mandatory=False)
 465
 466     # Check to see if we have our AVSubtitleRect has a pict member
 467     # Older versions (e.g. that shipped with Ubuntu 16.04) do
 468     conf.check_cxx(fragment="""
 469                             extern "C" {\n
 470                             #include <libavcodec/avcodec.h>\n
 471                             }\n
 472                             int main () { AVSubtitleRect r; r.pict; }\n
 473                             """,
 474                    msg='Checking for AVSubtitleRect::pict',
 475                    cxxflags='-Wno-unused-result -Wno-unused-value -Wdeprecated-declarations -Werror',
 476                    uselib='AVCODEC',
 477                    define_name='DCPOMATIC_HAVE_AVSUBTITLERECT_PICT',
 478                    mandatory=False)
 479
 480     # Check to see if we have our AVComponentDescriptor has a depth_minus1 member
 481     # Older versions (e.g. that shipped with Ubuntu 16.04) do
 482     conf.check_cxx(fragment="""
 483                             extern "C" {\n
 484                             #include <libavutil/pixdesc.h>\n
 485                             }\n
 486                             int main () { AVComponentDescriptor d; d.depth_minus1; }\n
 487                             """,
 488                    msg='Checking for AVComponentDescriptor::depth_minus1',
 489                    cxxflags='-Wno-unused-result -Wno-unused-value -Wdeprecated-declarations -Werror',
 490                    uselib='AVUTIL',
 491                    define_name='DCPOMATIC_HAVE_AVCOMPONENTDESCRIPTOR_DEPTH_MINUS1',
 492                    mandatory=False)
 493
 494     # See if we have av_register_all and avfilter_register_all
 495     conf.check_cxx(fragment="""
 496                             extern "C" {\n
 497                             #include <libavformat/avformat.h>\n
 498                             #include <libavfilter/avfilter.h>\n
 499                             }\n
 500                             int main () { av_register_all(); avfilter_register_all(); }\n
 501                             """,
 502                    msg='Checking for av_register_all and avfilter_register_all',
 503                    uselib='AVFORMAT AVFILTER',
 504                    define_name='DCPOMATIC_HAVE_AVREGISTER',
 505                    mandatory=False)
 506
 507     # Hack: the previous two check_cxx calls end up copying their (necessary) cxxflags
 508     # to these variables.  We don't want to use these for the actual build, so clean them out.
 509     conf.env['CXXFLAGS_AVCODEC'] = []
 510     conf.env['CXXFLAGS_AVUTIL'] = []
 511
 512     if conf.env.TARGET_LINUX:
 513         conf.env.LIB_X11 = ['X11']
 514
 515     # We support older boosts on Linux so we can use the distribution-provided package
 516     # on Centos 7, but it's good if we can use 1.61 for boost::dll::program_location()
 517     boost_version = ('1.45', '104500') if conf.env.TARGET_LINUX else ('1.61', '106800')
 518
 519     # Boost
 520     if conf.options.static_boost:
 521         conf.env.STLIB_BOOST_THREAD = ['boost_thread']
 522         conf.env.STLIB_BOOST_FILESYSTEM = ['boost_filesystem%s' % boost_lib_suffix]
 523         conf.env.STLIB_BOOST_DATETIME = ['boost_date_time%s' % boost_lib_suffix, 'boost_system%s' % boost_lib_suffix]
 524         conf.env.STLIB_BOOST_SIGNALS2 = ['boost_signals2']
 525         conf.env.STLIB_BOOST_SYSTEM = ['boost_system']
 526         conf.env.STLIB_BOOST_REGEX = ['boost_regex']
 527     else:
 528         conf.check_cxx(fragment="""
 529                             #include <boost/version.hpp>\n
 530                             #if BOOST_VERSION < %s\n
 531                             #error boost too old\n
 532                             #endif\n
 533                             int main(void) { return 0; }\n
 534                             """ % boost_version[1],
 535                        mandatory=True,
 536                        msg='Checking for boost library >= %s' % boost_version[0],
 537                        okmsg='yes',
 538                        errmsg='too old\nPlease install boost version %s or higher.' % boost_version[0])
 539
 540         conf.check_cxx(fragment="""
 541                             #include <boost/thread.hpp>\n
 542                             int main() { boost::thread t; }\n
 543                             """,
 544                        msg='Checking for boost threading library',
 545                        libpath='/usr/local/lib',
 546                        lib=[boost_thread, 'boost_system%s' % boost_lib_suffix],
 547                        uselib_store='BOOST_THREAD')
 548
 549         conf.check_cxx(fragment="""
 550                             #include <boost/filesystem.hpp>\n
 551                             int main() { boost::filesystem::copy_file ("a", "b"); }\n
 552                             """,
 553                        msg='Checking for boost filesystem library',
 554                        libpath='/usr/local/lib',
 555                        lib=['boost_filesystem%s' % boost_lib_suffix, 'boost_system%s' % boost_lib_suffix],
 556                        uselib_store='BOOST_FILESYSTEM')
 557
 558         conf.check_cxx(fragment="""
 559                             #include <boost/date_time.hpp>\n
 560                             int main() { boost::gregorian::day_clock::local_day(); }\n
 561                             """,
 562                        msg='Checking for boost datetime library',
 563                        libpath='/usr/local/lib',
 564                        lib=['boost_date_time%s' % boost_lib_suffix, 'boost_system%s' % boost_lib_suffix],
 565                        uselib_store='BOOST_DATETIME')
 566
 567         conf.check_cxx(fragment="""
 568                             #include <boost/signals2.hpp>\n
 569                             int main() { boost::signals2::signal<void (int)> x; }\n
 570                             """,
 571                        msg='Checking for boost signals2 library',
 572                        uselib_store='BOOST_SIGNALS2')
 573
 574         conf.check_cxx(fragment="""
 575                             #include <boost/regex.hpp>\n
 576                             int main() { boost::regex re ("foo"); }\n
 577                             """,
 578                        msg='Checking for boost regex library',
 579                        lib=['boost_regex%s' % boost_lib_suffix],
 580                        uselib_store='BOOST_REGEX')
 581
 582         # Really just checking for the header here (there's no associated library) but the test
 583         # program has to link with boost_system so I'm doing it this way.
 584         if conf.options.enable_disk:
 585             deps = ['boost_system%s' % boost_lib_suffix]
 586             if conf.env.TARGET_WINDOWS_64 or conf.env.TARGET_WINDOWS_32:
 587                 deps.append('ws2_32')
 588                 deps.append('boost_filesystem%s' % boost_lib_suffix)
 589             conf.check_cxx(fragment="""
 590                                 #include <boost/process.hpp>\n
 591                                 int main() { new boost::process::child("foo"); }\n
 592                                 """,
 593                            cxxflags='-Wno-unused-parameter',
 594                            msg='Checking for boost process library',
 595                            lib=deps,
 596                            uselib_store='BOOST_PROCESS')
 597
 598     # Other stuff
 599
 600     conf.find_program('msgfmt', var='MSGFMT')
 601     conf.check(header_name='valgrind/memcheck.h', mandatory=False)
 602
 603     datadir = conf.env.DATADIR
 604     if not datadir:
 605         datadir = os.path.join(conf.env.PREFIX, 'share')
 606
 607     conf.define('LOCALEDIR', os.path.join(datadir, 'locale'))
 608     conf.define('DATADIR', datadir)
 609
 610     conf.recurse('src')
 611     if not conf.env.DISABLE_TESTS:
 612         conf.recurse('test')
 613
 614     Logs.pprint('YELLOW', '')
 615     if conf.env.TARGET_WINDOWS_64 or conf.env.TARGET_WINDOWS_32:
 616         Logs.pprint('YELLOW', '\t' + 'Target'.ljust(25) + ': Windows')
 617     elif conf.env.TARGET_LINUX:
 618         Logs.pprint('YELLOW', '\t' + 'Target'.ljust(25) + ': Linux')
 619     elif conf.env.TARGET_OSX:
 620         Logs.pprint('YELLOW', '\t' + 'Target'.ljust(25) + ': macOS')
 621
 622     def report(name, variable):
 623         linkage = ''
 624         if variable:
 625             linkage = 'static'
 626         else:
 627             linkage = 'dynamic'
 628         Logs.pprint('YELLOW', '\t%s: %s' % (name.ljust(25), linkage))
 629
 630     report('DCP-o-matic libraries', conf.options.static_dcpomatic)
 631     report('Boost', conf.options.static_boost)
 632     report('wxWidgets', conf.options.static_wxwidgets)
 633     report('FFmpeg', conf.options.static_ffmpeg)
 634     report('libxml++', conf.options.static_xmlpp)
 635     report('xmlsec', conf.options.static_xmlsec)
 636     report('libssh', conf.options.static_ssh)
 637     report('libcxml', conf.options.static_cxml)
 638     report('libdcp', conf.options.static_dcp)
 639     report('libcurl', conf.options.static_curl)
 640
 641     Logs.pprint('YELLOW', '')
 642
 643 def build(bld):
 644     create_version_cc(VERSION, bld.env.CXXFLAGS)
 645
 646     bld.recurse('src')
 647     bld.recurse('graphics')
 648
 649     if not bld.env.DISABLE_TESTS:
 650         bld.recurse('test')
 651     if bld.env.TARGET_WINDOWS_64 or bld.env.TARGET_WINDOWS_32:
 652         bld.recurse('platform/windows')
 653     if bld.env.TARGET_LINUX:
 654         bld.recurse('platform/linux')
 655     if bld.env.TARGET_OSX:
 656         bld.recurse('platform/osx')
 657
 658     if not bld.env.TARGET_WINDOWS_64 and not bld.env.TARGET_WINDOWS_32:
 659         bld.install_files('${PREFIX}/share/dcpomatic2', 'fonts/LiberationSans-Regular.ttf')
 660         bld.install_files('${PREFIX}/share/dcpomatic2', 'fonts/LiberationSans-Italic.ttf')
 661         bld.install_files('${PREFIX}/share/dcpomatic2', 'fonts/LiberationSans-Bold.ttf')
 662
 663     bld.add_post_fun(post)
 664
 665 def git_revision():
 666     if not os.path.exists('.git'):
 667         return None
 668
 669     cmd = "LANG= git log --abbrev HEAD^..HEAD ."
 670     output = subprocess.Popen(cmd, shell=True, stderr=subprocess.STDOUT, stdout=subprocess.PIPE).communicate()[0].splitlines()
 671     if len(output) == 0:
 672         return None
 673     o = output[0].decode('utf-8')
 674     return o.replace("commit ", "")[0:10]
 675
 676 def dist(ctx):
 677     r = git_revision()
 678     if r is not None:
 679         f = open('.git_revision', 'w')
 680         print(r, file=f)
 681         f.close()
 682
 683     ctx.excl = """
 684                TODO core *~ src/wx/*~ src/lib/*~ builds/*~ doc/manual/*~ src/tools/*~ *.pyc .waf* build .git
 685                deps alignment hacks sync *.tar.bz2 *.exe .lock* *build-windows doc/manual/pdf doc/manual/html
 686                GRSYMS GRTAGS GSYMS GTAGS compile_commands.json
 687                """
 688
 689 def create_version_cc(version, cxx_flags):
 690     commit = git_revision()
 691     if commit is None and os.path.exists('.git_revision'):
 692         f = open('.git_revision', 'r')
 693         commit = f.readline().strip()
 694
 695     if commit is None:
 696         commit = 'release'
 697
 698     try:
 699         text =  '#include "version.h"\n'
 700         text += 'char const * dcpomatic_git_commit = \"%s\";\n' % commit
 701         text += 'char const * dcpomatic_version = \"%s\";\n' % version
 702
 703         t = ''
 704         for f in cxx_flags:
 705             f = f.replace('"', '\\"')
 706             t += f + ' '
 707         text += 'char const * dcpomatic_cxx_flags = \"%s\";\n' % t[:-1]
 708
 709         print('Writing version information to src/lib/version.cc')
 710         o = open('src/lib/version.cc', 'w')
 711         o.write(text)
 712         o.close()
 713     except IOError:
 714         print('Could not open src/lib/version.cc for writing\n')
 715         sys.exit(-1)
 716
 717 def post(ctx):
 718     if ctx.cmd == 'install' and ctx.env.TARGET_LINUX:
 719         ctx.exec_command('/sbin/ldconfig')
 720         exe = os.path.join(ctx.env['INSTALL_PREFIX'], 'bin/dcpomatic2_disk_writer')
 721         if os.path.exists(exe):
 722             os.system('setcap "cap_dac_override+ep cap_sys_admin+ep" %s' % exe)
 723
 724 def pot(bld):
 725     bld.recurse('src')
 726
 727 def pot_merge(bld):
 728     bld.recurse('src')
 729
 730 def supporters(bld):
 731     r = os.system('curl -m 2 -s -f https://dcpomatic.com/supporters.cc > src/wx/supporters.cc')
 732     if (r >> 8) == 0:
 733         r = os.system('curl -s -f https://dcpomatic.com/subscribers.cc > src/wx/subscribers.cc')
 734     if (r >> 8) != 0:
 735         raise Exception("Could not download supporters lists (%d)" % (r >> 8))
 736
 737 def tags(bld):
 738     os.system('etags src/lib/*.cc src/lib/*.h src/wx/*.cc src/wx/*.h src/tools/*.cc')
 739
 740 def cppcheck(bld):
 741     os.system('cppcheck --enable=all --quiet .')