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(['git', 'tag', '-l', '--points-at', 'HEAD'], stdout=subprocess.PIPE).communicate()[0]
  42 git_head = subprocess.Popen(['git', 'rev-parse', '--short=9', 'HEAD'], 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(git_head, str):
  48     git_head = git_head.decode('utf-8')
  49
  50 if this_version == '':
  51     VERSION = git_head.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('--static-dcpomatic',  action='store_true', default=False, help='link to components of DCP-o-matic statically')
  65     opt.add_option('--static-boost',      action='store_true', default=False, help='link statically to Boost')
  66     opt.add_option('--static-wxwidgets',  action='store_true', default=False, help='link statically to wxWidgets')
  67     opt.add_option('--static-ffmpeg',     action='store_true', default=False, help='link statically to FFmpeg')
  68     opt.add_option('--static-xmlpp',      action='store_true', default=False, help='link statically to libxml++')
  69     opt.add_option('--static-xmlsec',     action='store_true', default=False, help='link statically to xmlsec')
  70     opt.add_option('--static-ssh',        action='store_true', default=False, help='link statically to libssh')
  71     opt.add_option('--static-cxml',       action='store_true', default=False, help='link statically to libcxml')
  72     opt.add_option('--static-dcp',        action='store_true', default=False, help='link statically to libdcp')
  73     opt.add_option('--static-sub',        action='store_true', default=False, help='link statically to libsub')
  74     opt.add_option('--static-curl',       action='store_true', default=False, help='link statically to libcurl')
  75     opt.add_option('--workaround-gssapi', action='store_true', default=False, help='link to gssapi_krb5')
  76     opt.add_option('--use-lld',           action='store_true', default=False, help='use lld linker')
  77     opt.add_option('--enable-disk',       action='store_true', default=False, help='build dcpomatic2_disk tool; requires Boost process, lwext4 and nanomsg libraries')
  78     opt.add_option('--warnings-are-errors', action='store_true', default=False, help='build with -Werror')
  79     opt.add_option('--wx-config',         help='path to wx-config')
  80     opt.add_option('--enable-asan',       action='store_true', help='build with asan')
  81     opt.add_option('--disable-more-warnings', action='store_true', default=False, help='disable some warnings raised by Xcode 15 with the 2.16 branch')
  82
  83 def configure(conf):
  84     conf.load('compiler_cxx')
  85     conf.load('clang_compilation_database', tooldir=['waf-tools'])
  86     if conf.options.target_windows_64 or conf.options.target_windows_32:
  87         conf.load('winres')
  88
  89     # Save conf.options that we need elsewhere in conf.env
  90     conf.env.DISABLE_GUI = conf.options.disable_gui
  91     conf.env.DISABLE_TESTS = conf.options.disable_tests
  92     conf.env.TARGET_WINDOWS_64 = conf.options.target_windows_64
  93     conf.env.TARGET_WINDOWS_32 = conf.options.target_windows_32
  94     conf.env.TARGET_OSX = sys.platform == 'darwin'
  95     conf.env.TARGET_LINUX = not conf.env.TARGET_WINDOWS_64 and not conf.env.TARGET_WINDOWS_32 and not conf.env.TARGET_OSX
  96     conf.env.VERSION = VERSION
  97     conf.env.DEBUG = conf.options.enable_debug
  98     conf.env.STATIC_DCPOMATIC = conf.options.static_dcpomatic
  99     conf.env.ENABLE_DISK = conf.options.enable_disk
 100     if conf.options.destdir == '':
 101         conf.env.INSTALL_PREFIX = conf.options.prefix
 102     else:
 103         conf.env.INSTALL_PREFIX = conf.options.destdir
 104
 105     conf.check_cxx(cxxflags=['-msse', '-mfpmath=sse'], msg='Checking for SSE support', mandatory=False, define_name='SSE')
 106
 107     # Common CXXFLAGS
 108     conf.env.append_value('CXXFLAGS', ['-D__STDC_CONSTANT_MACROS',
 109                                        '-D__STDC_LIMIT_MACROS',
 110                                        '-D__STDC_FORMAT_MACROS',
 111                                        '-fno-strict-aliasing',
 112                                        '-Wall',
 113                                        '-Wextra',
 114                                        '-Wwrite-strings',
 115                                        '-Wno-error=deprecated',
 116                                        # I tried and failed to ignore these with _Pragma
 117                                        '-Wno-ignored-qualifiers',
 118                                        '-D_FILE_OFFSET_BITS=64',
 119                                        '-std=c++11'])
 120
 121     if conf.options.disable_more_warnings:
 122         # These are for Xcode 15.0.1 with the v2.16.x-era
 123         # dependencies; maybe they aren't necessary when building
 124         # v2.1{7,8}.x
 125         conf.env.append_value('CXXFLAGS', ['-Wno-deprecated-builtins',
 126                                            '-Wno-deprecated-declarations',
 127                                            '-Wno-enum-constexpr-conversion',
 128                                            '-Wno-deprecated-copy'])
 129
 130     if conf.options.warnings_are_errors:
 131         conf.env.append_value('CXXFLAGS', '-Werror')
 132
 133     if conf.env.SSE:
 134         conf.env.append_value('CXXFLAGS', ['-msse', '-mfpmath=sse'])
 135
 136     if conf.options.enable_asan:
 137         conf.env.append_value('CXXFLAGS', '-fsanitize=address')
 138         conf.env.append_value('LINKFLAGS', '-fsanitize=address')
 139
 140     if conf.env['CXX_NAME'] == 'gcc':
 141         gcc = conf.env['CC_VERSION']
 142         if int(gcc[0]) >= 8:
 143             # I tried and failed to ignore these with _Pragma
 144             conf.env.append_value('CXXFLAGS', ['-Wno-cast-function-type'])
 145         # Most gccs still give these warnings from boost::optional
 146         conf.env.append_value('CXXFLAGS', ['-Wno-maybe-uninitialized'])
 147         if int(gcc[0]) > 4:
 148             # gcc 4.8.5 on Centos 7 does not have this warning
 149             conf.env.append_value('CXXFLAGS', ['-Wsuggest-override'])
 150
 151     if conf.options.enable_debug:
 152         conf.env.append_value('CXXFLAGS', ['-g', '-DDCPOMATIC_DEBUG', '-fno-omit-frame-pointer'])
 153     else:
 154         conf.env.append_value('CXXFLAGS', '-O2')
 155
 156     if conf.options.enable_disk:
 157         conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_DISK')
 158
 159     if conf.options.use_lld:
 160         try:
 161             conf.find_program('ld.lld')
 162             conf.env.append_value('LINKFLAGS', '-fuse-ld=lld')
 163         except conf.errors.ConfigurationError:
 164             pass
 165
 166     #
 167     # Windows/Linux/macOS specific
 168     #
 169
 170     # Windows
 171     if conf.env.TARGET_WINDOWS_64 or conf.env.TARGET_WINDOWS_32:
 172         conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_WINDOWS')
 173         conf.env.append_value('CXXFLAGS', '-DWIN32_LEAN_AND_MEAN')
 174         conf.env.append_value('CXXFLAGS', '-DBOOST_USE_WINDOWS_H')
 175         conf.env.append_value('CXXFLAGS', '-DBOOST_THREAD_PROVIDES_GENERIC_SHARED_MUTEX_ON_WIN')
 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                                lib=['boost_locale%s' % boost_lib_suffix, 'boost_system%s' % boost_lib_suffix],
 200                                uselib_store='BOOST_LOCALE')
 201
 202     # POSIX
 203     if conf.env.TARGET_LINUX or conf.env.TARGET_OSX:
 204         conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_POSIX')
 205         boost_lib_suffix = ''
 206         boost_thread = 'boost_thread'
 207         conf.env.append_value('LINKFLAGS', '-pthread')
 208
 209     # Linux
 210     if conf.env.TARGET_LINUX:
 211         conf.env.append_value('CXXFLAGS', '-DLINUX_LOCALE_PREFIX="%s/share/locale"' % conf.env['INSTALL_PREFIX'])
 212         conf.env.append_value('CXXFLAGS', '-DLINUX_SHARE_PREFIX="%s/share"' % conf.env['INSTALL_PREFIX'])
 213         conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_LINUX')
 214         conf.env.append_value('CXXFLAGS', ['-Wlogical-op', '-Wcast-align'])
 215         conf.check(lib='dl', uselib_store='DL', msg='Checking for library dl')
 216
 217     # OSX
 218     if conf.env.TARGET_OSX:
 219         conf.env.append_value('CXXFLAGS', ['-DDCPOMATIC_OSX', '-DGL_SILENCE_DEPRECATION'])
 220         conf.env.append_value('LINKFLAGS', '-headerpad_max_install_names')
 221
 222     #
 223     # Dependencies.
 224     #
 225
 226     # It should be possible to use check_cfg for both dynamic and static linking, but
 227     # e.g. pkg-config --libs --static foo returns some libraries that should be statically
 228     # linked and others that should be dynamic.  This doesn't work too well with waf
 229     # as it wants them separate.
 230
 231     # libcurl
 232     if conf.options.static_curl:
 233         conf.env.STLIB_CURL = ['curl']
 234         conf.env.LIB_CURL = ['ssh2', 'idn']
 235     else:
 236         conf.check_cfg(package='libcurl', args='libcurl >= 7.19.1 --cflags --libs', uselib_store='CURL', mandatory=True)
 237
 238     # libicu
 239     if conf.check_cfg(package='icu-i18n', args='--cflags --libs', uselib_store='ICU', mandatory=False) is None:
 240         if conf.check_cfg(package='icu', args='--cflags --libs', uselib_store='ICU', mandatory=False) is None:
 241             conf.check_cxx(fragment="""
 242                             #include <unicode/ucsdet.h>
 243                             int main(void) {
 244                                 UErrorCode status = U_ZERO_ERROR;
 245                                 UCharsetDetector* detector = ucsdet_open (&status);
 246                                 return 0; }\n
 247                             """,
 248                        mandatory=True,
 249                        msg='Checking for libicu',
 250                        okmsg='yes',
 251                        libpath=['/usr/lib', '/usr/lib/x86_64-linux-gnu'],
 252                        lib=['icuio', 'icui18n', 'icudata', 'icuuc'],
 253                        uselib_store='ICU')
 254
 255     # libsamplerate
 256     conf.check_cfg(package='samplerate', args='--cflags --libs', uselib_store='SAMPLERATE', mandatory=True)
 257
 258     # glib
 259     conf.check_cfg(package='glib-2.0', args='--cflags --libs', uselib_store='GLIB', mandatory=True)
 260
 261     # libzip
 262     conf.check_cfg(package='libzip', args='--cflags --libs', uselib_store='ZIP', mandatory=True)
 263     conf.check_cxx(fragment="""
 264                             #include <zip.h>
 265                             int main() { zip_source_t* foo; (void)foo; }
 266                             """,
 267                    mandatory=False,
 268                    msg="Checking for zip_source_t",
 269                    uselib="ZIP",
 270                    define_name='DCPOMATIC_HAVE_ZIP_SOURCE_T'
 271                    )
 272     conf.check_cxx(fragment="""
 273                             #include <zip.h>
 274                             int main() { struct zip* zip = nullptr; zip_source_t* source = nullptr; zip_file_add(zip, "foo", source, ZIP_FL_ENC_GUESS); }
 275                             """,
 276                    mandatory=False,
 277                    msg="Checking for zip_file_add",
 278                    uselib="ZIP",
 279                    define_name='DCPOMATIC_HAVE_ZIP_FILE_ADD'
 280                    )
 281     conf.check_cxx(fragment="""
 282                             #include <zip.h>
 283                             int main() { int error; zip_open("foo", ZIP_RDONLY, &error); }
 284                             """,
 285                    mandatory=False,
 286                    msg="Checking for ZIP_RDONLY",
 287                    uselib="ZIP",
 288                    define_name='DCPOMATIC_HAVE_ZIP_RDONLY'
 289                    )
 290
 291     # libbz2; must be explicitly linked on macOS for some reason
 292     conf.check_cxx(fragment="""
 293                             #include <bzlib.h>
 294                             int main() { BZ2_bzCompressInit(0, 0, 0, 0); }
 295                             """,
 296                    mandatory=True,
 297                    msg="Checking for libbz2",
 298                    okmsg='yes',
 299                    lib='bz2',
 300                    uselib_store="BZ2"
 301                    )
 302
 303     # libz; must be explicitly linked on macOS for some reason
 304     conf.check_cxx(fragment="""
 305                             #include <zlib.h>
 306                             int main() { zlibVersion(); }
 307                             """,
 308                    mandatory=True,
 309                    msg="Checking for libz",
 310                    okmsg='yes',
 311                    lib='z',
 312                    uselib_store="LIBZ"
 313                    )
 314
 315     # fontconfig
 316     conf.check_cfg(package='fontconfig', args='--cflags --libs', uselib_store='FONTCONFIG', mandatory=True)
 317
 318     # pangomm
 319     conf.check_cfg(package='pangomm-1.4', args='--cflags --libs', uselib_store='PANGOMM', mandatory=True)
 320
 321     # cairomm
 322     conf.check_cfg(package='cairomm-1.0', args='--cflags --libs', uselib_store='CAIROMM', mandatory=True)
 323
 324     # leqm_nrt
 325     conf.check_cfg(package='leqm_nrt', args='--cflags --libs', uselib_store='LEQM_NRT', mandatory=True)
 326
 327     # libcxml
 328     if conf.options.static_cxml:
 329         conf.check_cfg(package='libcxml', args='libcxml >= 0.17.0 --cflags', uselib_store='CXML', mandatory=True)
 330         conf.env.STLIB_CXML = ['cxml']
 331     else:
 332         conf.check_cfg(package='libcxml', args='libcxml >= 0.16.0 --cflags --libs', uselib_store='CXML', mandatory=True)
 333
 334     # libssh
 335     if conf.options.static_ssh:
 336         conf.env.STLIB_SSH = ['ssh']
 337         if conf.options.workaround_gssapi:
 338             conf.env.LIB_SSH = ['gssapi_krb5']
 339     else:
 340         conf.check_cxx(fragment="""
 341                                #include <libssh/libssh.h>\n
 342                                int main () {\n
 343                                ssh_new ();\n
 344                                return 0;\n
 345                                }
 346                                """,
 347                       msg='Checking for library libssh',
 348                       mandatory=True,
 349                       lib='ssh',
 350                       uselib_store='SSH')
 351
 352     # libdcp
 353     if conf.options.static_dcp:
 354         conf.check_cfg(package='libdcp-1.0', args='libdcp-1.0 >= %s --cflags' % libdcp_version, uselib_store='DCP', mandatory=True)
 355         conf.env.DEFINES_DCP = [f.replace('\\', '') for f in conf.env.DEFINES_DCP]
 356         conf.env.STLIB_DCP = ['dcp-1.0', 'asdcp-carl', 'kumu-carl', 'openjp2']
 357         conf.env.LIB_DCP = ['glibmm-2.4', 'ssl', 'crypto', 'bz2', 'xslt', 'xerces-c']
 358     else:
 359         conf.check_cfg(package='libdcp-1.0', args='libdcp-1.0 >= %s --cflags --libs' % libdcp_version, uselib_store='DCP', mandatory=True)
 360         conf.env.DEFINES_DCP = [f.replace('\\', '') for f in conf.env.DEFINES_DCP]
 361
 362     # libsub
 363     if conf.options.static_sub:
 364         conf.check_cfg(package='libsub-1.0', args='libsub-1.0 >= %s --cflags' % libsub_version, uselib_store='SUB', mandatory=True)
 365         conf.env.DEFINES_SUB = [f.replace('\\', '') for f in conf.env.DEFINES_SUB]
 366         conf.env.STLIB_SUB = ['sub-1.0']
 367     else:
 368         conf.check_cfg(package='libsub-1.0', args='libsub-1.0 >= %s --cflags --libs' % libsub_version, uselib_store='SUB', mandatory=True)
 369         conf.env.DEFINES_SUB = [f.replace('\\', '') for f in conf.env.DEFINES_SUB]
 370
 371     # libxml++
 372     if conf.options.static_xmlpp:
 373         conf.env.STLIB_XMLPP = ['xml++-2.6']
 374         conf.env.LIB_XMLPP = ['xml2']
 375     else:
 376         conf.check_cfg(package='libxml++-2.6', args='--cflags --libs', uselib_store='XMLPP', mandatory=True)
 377
 378     # libxmlsec
 379     if conf.options.static_xmlsec:
 380         if conf.check_cxx(lib='xmlsec1-openssl', mandatory=False):
 381             conf.env.STLIB_XMLSEC = ['xmlsec1-openssl', 'xmlsec1']
 382         else:
 383             conf.env.STLIB_XMLSEC = ['xmlsec1']
 384     else:
 385         conf.env.LIB_XMLSEC = ['xmlsec1-openssl', 'xmlsec1']
 386
 387     # nettle
 388     conf.check_cfg(package="nettle", args='--cflags --libs', uselib_store='NETTLE', mandatory=True)
 389
 390     # libpng
 391     conf.check_cfg(package='libpng', args='--cflags --libs', uselib_store='PNG', mandatory=True)
 392
 393     # libjpeg
 394     conf.check_cxx(fragment="""
 395                             #include <cstddef>
 396                             #include <cstdio>
 397                             #include <jpeglib.h>
 398                             int main() { struct jpeg_compress_struct compress; jpeg_create_compress (&compress); return 0; }
 399                             """,
 400                    msg='Checking for libjpeg',
 401                    lib=['jpeg'],
 402                    uselib_store='JPEG')
 403
 404     # lwext4
 405     if conf.options.enable_disk:
 406         conf.check_cxx(fragment="""
 407                                 #include <lwext4/ext4.h>\n
 408                                 int main() { ext4_mount("ext4_fs", "/mp/", false); }\n
 409                                 """,
 410                                 msg='Checking for lwext4 library',
 411                                 lib=['lwext4', 'blockdev'],
 412                                 uselib_store='LWEXT4')
 413
 414     if conf.env.TARGET_LINUX and conf.options.enable_disk:
 415         conf.check_cfg(package='polkit-gobject-1', args='--cflags --libs', uselib_store='POLKIT', mandatory=True)
 416
 417     # nanomsg
 418     if conf.options.enable_disk:
 419         if conf.check_cfg(package='nanomsg', args='--cflags --libs', uselib_store='NANOMSG', mandatory=False) is None:
 420             conf.check_cfg(package='libnanomsg', args='--cflags --libs', uselib_store='NANOMSG', mandatory=True)
 421         if conf.env.TARGET_LINUX:
 422             # We link with nanomsg statically on Centos 8 so we need to link this as well
 423             conf.env.LIB_NANOMSG.append('anl')
 424
 425     # FFmpeg
 426     if conf.options.static_ffmpeg:
 427         names = ['avformat', 'avfilter', 'avcodec', 'avutil', 'swscale', 'postproc', 'swresample']
 428         for name in names:
 429             static = subprocess.Popen(shlex.split('pkg-config --static --libs lib%s' % name), stdout=subprocess.PIPE).communicate()[0].decode('utf-8')
 430             libs = []
 431             stlibs = []
 432             include = []
 433             libpath = []
 434             for s in static.split():
 435                 if s.startswith('-L'):
 436                     libpath.append(s[2:])
 437                 elif s.startswith('-I'):
 438                     include.append(s[2:])
 439                 elif s.startswith('-l'):
 440                     if s[2:] not in names:
 441                         libs.append(s[2:])
 442                     else:
 443                         stlibs.append(s[2:])
 444
 445             conf.env['LIB_%s' % name.upper()] = libs
 446             conf.env['STLIB_%s' % name.upper()] = stlibs
 447             conf.env['INCLUDES_%s' % name.upper()] = include
 448             conf.env['LIBPATH_%s' % name.upper()] = libpath
 449     else:
 450         conf.check_cfg(package='libavformat', args='--cflags --libs', uselib_store='AVFORMAT', mandatory=True)
 451         conf.check_cfg(package='libavfilter', args='--cflags --libs', uselib_store='AVFILTER', mandatory=True)
 452         conf.check_cfg(package='libavcodec', args='--cflags --libs', uselib_store='AVCODEC', mandatory=True)
 453         conf.check_cfg(package='libavutil', args='--cflags --libs', uselib_store='AVUTIL', mandatory=True)
 454         conf.check_cfg(package='libswscale', args='--cflags --libs', uselib_store='SWSCALE', mandatory=True)
 455         conf.check_cfg(package='libpostproc', args='--cflags --libs', uselib_store='POSTPROC', mandatory=True)
 456         conf.check_cfg(package='libswresample', args='--cflags --libs', uselib_store='SWRESAMPLE', mandatory=True)
 457
 458     # Check to see if we have our version of FFmpeg that allows us to get at EBUR128 results
 459     conf.check_cxx(fragment="""
 460                             extern "C" {\n
 461                             #include <libavfilter/f_ebur128.h>\n
 462                             }\n
 463                             int main () { av_ebur128_get_true_peaks (0); }\n
 464                             """,
 465                    msg='Checking for EBUR128-patched FFmpeg',
 466                    uselib='AVCODEC AVFILTER',
 467                    define_name='DCPOMATIC_HAVE_EBUR128_PATCHED_FFMPEG',
 468                    mandatory=False)
 469
 470     # Check to see if we have our AVSubtitleRect has a pict member
 471     # Older versions (e.g. that shipped with Ubuntu 16.04) do
 472     conf.check_cxx(fragment="""
 473                             extern "C" {\n
 474                             #include <libavcodec/avcodec.h>\n
 475                             }\n
 476                             int main () { AVSubtitleRect r; r.pict; }\n
 477                             """,
 478                    msg='Checking for AVSubtitleRect::pict',
 479                    cxxflags='-Wno-unused-result -Wno-unused-value -Wdeprecated-declarations -Werror',
 480                    uselib='AVCODEC',
 481                    define_name='DCPOMATIC_HAVE_AVSUBTITLERECT_PICT',
 482                    mandatory=False)
 483
 484     # Check to see if we have our AVComponentDescriptor has a depth_minus1 member
 485     # Older versions (e.g. that shipped with Ubuntu 16.04) do
 486     conf.check_cxx(fragment="""
 487                             extern "C" {\n
 488                             #include <libavutil/pixdesc.h>\n
 489                             }\n
 490                             int main () { AVComponentDescriptor d; d.depth_minus1; }\n
 491                             """,
 492                    msg='Checking for AVComponentDescriptor::depth_minus1',
 493                    cxxflags='-Wno-unused-result -Wno-unused-value -Wdeprecated-declarations -Werror',
 494                    uselib='AVUTIL',
 495                    define_name='DCPOMATIC_HAVE_AVCOMPONENTDESCRIPTOR_DEPTH_MINUS1',
 496                    mandatory=False)
 497
 498     # See if we have av_register_all and avfilter_register_all
 499     conf.check_cxx(fragment="""
 500                             extern "C" {\n
 501                             #include <libavformat/avformat.h>\n
 502                             #include <libavfilter/avfilter.h>\n
 503                             }\n
 504                             int main () { av_register_all(); avfilter_register_all(); }\n
 505                             """,
 506                    msg='Checking for av_register_all and avfilter_register_all',
 507                    uselib='AVFORMAT AVFILTER',
 508                    define_name='DCPOMATIC_HAVE_AVREGISTER',
 509                    mandatory=False)
 510
 511     # Hack: the previous two check_cxx calls end up copying their (necessary) cxxflags
 512     # to these variables.  We don't want to use these for the actual build, so clean them out.
 513     conf.env['CXXFLAGS_AVCODEC'] = []
 514     conf.env['CXXFLAGS_AVUTIL'] = []
 515
 516     if conf.env.TARGET_LINUX:
 517         conf.env.LIB_X11 = ['X11']
 518
 519     # We support older boosts on Linux so we can use the distribution-provided package
 520     # on Centos 7, but it's good if we can use 1.61 for boost::dll::program_location()
 521     boost_version = ('1.45', '104500') if conf.env.TARGET_LINUX else ('1.61', '106800')
 522
 523     # Boost
 524     if conf.options.static_boost:
 525         conf.env.STLIB_BOOST_THREAD = ['boost_thread']
 526         conf.env.STLIB_BOOST_FILESYSTEM = ['boost_filesystem%s' % boost_lib_suffix]
 527         conf.env.STLIB_BOOST_DATETIME = ['boost_date_time%s' % boost_lib_suffix, 'boost_system%s' % boost_lib_suffix]
 528         conf.env.STLIB_BOOST_SIGNALS2 = ['boost_signals2']
 529         conf.env.STLIB_BOOST_SYSTEM = ['boost_system']
 530         conf.env.STLIB_BOOST_REGEX = ['boost_regex']
 531     else:
 532         conf.check_cxx(fragment="""
 533                             #include <boost/version.hpp>\n
 534                             #if BOOST_VERSION < %s\n
 535                             #error boost too old\n
 536                             #endif\n
 537                             int main(void) { return 0; }\n
 538                             """ % boost_version[1],
 539                        mandatory=True,
 540                        msg='Checking for boost library >= %s' % boost_version[0],
 541                        okmsg='yes',
 542                        errmsg='too old\nPlease install boost version %s or higher.' % boost_version[0])
 543
 544         conf.check_cxx(fragment="""
 545                             #include <boost/thread.hpp>\n
 546                             int main() { boost::thread t; }\n
 547                             """,
 548                        msg='Checking for boost threading library',
 549                        lib=[boost_thread, 'boost_system%s' % boost_lib_suffix],
 550                        uselib_store='BOOST_THREAD')
 551
 552         conf.check_cxx(fragment="""
 553                             #include <boost/filesystem.hpp>\n
 554                             int main() { boost::filesystem::copy_file ("a", "b"); }\n
 555                             """,
 556                        msg='Checking for boost filesystem library',
 557                        lib=['boost_filesystem%s' % boost_lib_suffix, 'boost_system%s' % boost_lib_suffix],
 558                        uselib_store='BOOST_FILESYSTEM')
 559
 560         conf.check_cxx(fragment="""
 561                             #include <boost/date_time.hpp>\n
 562                             int main() { boost::gregorian::day_clock::local_day(); }\n
 563                             """,
 564                        msg='Checking for boost datetime library',
 565                        lib=['boost_date_time%s' % boost_lib_suffix, 'boost_system%s' % boost_lib_suffix],
 566                        uselib_store='BOOST_DATETIME')
 567
 568         conf.check_cxx(fragment="""
 569                             #include <boost/signals2.hpp>\n
 570                             int main() { boost::signals2::signal<void (int)> x; }\n
 571                             """,
 572                        msg='Checking for boost signals2 library',
 573                        uselib_store='BOOST_SIGNALS2')
 574
 575         conf.check_cxx(fragment="""
 576                             #include <boost/regex.hpp>\n
 577                             int main() { boost::regex re ("foo"); }\n
 578                             """,
 579                        msg='Checking for boost regex library',
 580                        lib=['boost_regex%s' % boost_lib_suffix],
 581                        uselib_store='BOOST_REGEX')
 582
 583         # Really just checking for the header here (there's no associated library) but the test
 584         # program has to link with boost_system so I'm doing it this way.
 585         if conf.options.enable_disk:
 586             deps = ['boost_system%s' % boost_lib_suffix]
 587             if conf.env.TARGET_WINDOWS_64 or conf.env.TARGET_WINDOWS_32:
 588                 deps.append('ws2_32')
 589                 deps.append('boost_filesystem%s' % boost_lib_suffix)
 590             conf.check_cxx(fragment="""
 591                                 #include <boost/process.hpp>\n
 592                                 int main() { new boost::process::child("foo"); }\n
 593                                 """,
 594                            cxxflags='-Wno-unused-parameter',
 595                            msg='Checking for boost process library',
 596                            lib=deps,
 597                            uselib_store='BOOST_PROCESS')
 598
 599     # Other stuff
 600
 601     conf.find_program('msgfmt', var='MSGFMT')
 602     conf.check(header_name='valgrind/memcheck.h', mandatory=False)
 603
 604     datadir = conf.env.DATADIR
 605     if not datadir:
 606         datadir = os.path.join(conf.env.PREFIX, 'share')
 607
 608     conf.define('LOCALEDIR', os.path.join(datadir, 'locale'))
 609     conf.define('DATADIR', datadir)
 610
 611     conf.recurse('src')
 612     if not conf.env.DISABLE_TESTS:
 613         conf.recurse('test')
 614
 615     Logs.pprint('YELLOW', '')
 616     if conf.env.TARGET_WINDOWS_64 or conf.env.TARGET_WINDOWS_32:
 617         Logs.pprint('YELLOW', '\t' + 'Target'.ljust(25) + ': Windows')
 618     elif conf.env.TARGET_LINUX:
 619         Logs.pprint('YELLOW', '\t' + 'Target'.ljust(25) + ': Linux')
 620     elif conf.env.TARGET_OSX:
 621         Logs.pprint('YELLOW', '\t' + 'Target'.ljust(25) + ': macOS')
 622
 623     def report(name, variable):
 624         linkage = ''
 625         if variable:
 626             linkage = 'static'
 627         else:
 628             linkage = 'dynamic'
 629         Logs.pprint('YELLOW', '\t%s: %s' % (name.ljust(25), linkage))
 630
 631     report('DCP-o-matic libraries', conf.options.static_dcpomatic)
 632     report('Boost', conf.options.static_boost)
 633     report('wxWidgets', conf.options.static_wxwidgets)
 634     report('FFmpeg', conf.options.static_ffmpeg)
 635     report('libxml++', conf.options.static_xmlpp)
 636     report('xmlsec', conf.options.static_xmlsec)
 637     report('libssh', conf.options.static_ssh)
 638     report('libcxml', conf.options.static_cxml)
 639     report('libdcp', conf.options.static_dcp)
 640     report('libcurl', conf.options.static_curl)
 641
 642     Logs.pprint('YELLOW', '')
 643
 644 def build(bld):
 645     create_version_cc(VERSION, bld.env.CXXFLAGS)
 646
 647     bld.recurse('src')
 648     bld.recurse('graphics')
 649
 650     if not bld.env.DISABLE_TESTS:
 651         bld.recurse('test')
 652     if bld.env.TARGET_WINDOWS_64 or bld.env.TARGET_WINDOWS_32:
 653         bld.recurse('platform/windows')
 654     if bld.env.TARGET_LINUX:
 655         bld.recurse('platform/linux')
 656     if bld.env.TARGET_OSX:
 657         bld.recurse('platform/osx')
 658
 659     if not bld.env.TARGET_WINDOWS_64 and not bld.env.TARGET_WINDOWS_32:
 660         bld.install_files('${PREFIX}/share/dcpomatic2', 'fonts/LiberationSans-Regular.ttf')
 661         bld.install_files('${PREFIX}/share/dcpomatic2', 'fonts/LiberationSans-Italic.ttf')
 662         bld.install_files('${PREFIX}/share/dcpomatic2', 'fonts/LiberationSans-Bold.ttf')
 663
 664     bld.add_post_fun(post)
 665
 666 def git_revision():
 667     if not os.path.exists('.git'):
 668         return None
 669
 670     cmd = "LANG= git log --abbrev HEAD^..HEAD ."
 671     output = subprocess.Popen(cmd, shell=True, stderr=subprocess.STDOUT, stdout=subprocess.PIPE).communicate()[0].splitlines()
 672     if len(output) == 0:
 673         return None
 674     o = output[0].decode('utf-8')
 675     return o.replace("commit ", "")[0:10]
 676
 677 def dist(ctx):
 678     r = git_revision()
 679     if r is not None:
 680         f = open('.git_revision', 'w')
 681         print(r, file=f)
 682         f.close()
 683
 684     ctx.excl = """
 685                TODO core *~ src/wx/*~ src/lib/*~ builds/*~ doc/manual/*~ src/tools/*~ *.pyc .waf* build .git
 686                deps alignment hacks sync *.tar.bz2 *.exe .lock* *build-windows doc/manual/pdf doc/manual/html
 687                GRSYMS GRTAGS GSYMS GTAGS compile_commands.json
 688                """
 689
 690 def create_version_cc(version, cxx_flags):
 691     commit = git_revision()
 692     if commit is None and os.path.exists('.git_revision'):
 693         f = open('.git_revision', 'r')
 694         commit = f.readline().strip()
 695
 696     if commit is None:
 697         commit = 'release'
 698
 699     try:
 700         text =  '#include "version.h"\n'
 701         text += 'char const * dcpomatic_git_commit = \"%s\";\n' % commit
 702         text += 'char const * dcpomatic_version = \"%s\";\n' % version
 703
 704         t = ''
 705         for f in cxx_flags:
 706             f = f.replace('"', '\\"')
 707             t += f + ' '
 708         text += 'char const * dcpomatic_cxx_flags = \"%s\";\n' % t[:-1]
 709
 710         print('Writing version information to src/lib/version.cc')
 711         o = open('src/lib/version.cc', 'w')
 712         o.write(text)
 713         o.close()
 714     except IOError:
 715         print('Could not open src/lib/version.cc for writing\n')
 716         sys.exit(-1)
 717
 718 def post(ctx):
 719     if ctx.cmd == 'install' and ctx.env.TARGET_LINUX:
 720         ctx.exec_command('/sbin/ldconfig')
 721         exe = os.path.join(ctx.env['INSTALL_PREFIX'], 'bin/dcpomatic2_disk_writer')
 722         if os.path.exists(exe):
 723             os.system('setcap "cap_dac_override+ep cap_sys_admin+ep" %s' % exe)
 724
 725 def pot(bld):
 726     bld.recurse('src')
 727
 728 def pot_merge(bld):
 729     bld.recurse('src')
 730
 731 def supporters(bld):
 732     r = os.system('curl -m 2 -s -f https://dcpomatic.com/supporters.cc > src/wx/supporters.cc')
 733     if (r >> 8) == 0:
 734         r = os.system('curl -s -f https://dcpomatic.com/subscribers.cc > src/wx/subscribers.cc')
 735     if (r >> 8) != 0:
 736         raise Exception("Could not download supporters lists (%d)" % (r >> 8))
 737
 738 def tags(bld):
 739     os.system('etags src/lib/*.cc src/lib/*.h src/wx/*.cc src/wx/*.h src/tools/*.cc')
 740
 741 def cppcheck(bld):
 742     os.system('cppcheck --enable=all --quiet .')