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 is None:
  96         conf.env.INSTALL_PREFIX = conf.env.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', '-DUNICODE')
 155         conf.env.append_value('CXXFLAGS', '-DBOOST_THREAD_PROVIDES_GENERIC_SHARED_MUTEX_ON_WIN')
 156         conf.env.append_value('CXXFLAGS', '-mfpmath=sse')
 157         conf.env.append_value('CXXFLAGS', '-Wcast-align')
 158         wxrc = os.popen('wx-config --rescomp').read().split()[1:]
 159         conf.env.append_value('WINRCFLAGS', wxrc)
 160         if conf.options.enable_debug:
 161             conf.env.append_value('CXXFLAGS', ['-mconsole'])
 162             conf.env.append_value('LINKFLAGS', ['-mconsole'])
 163         conf.check(lib='ws2_32', uselib_store='WINSOCK2', msg="Checking for library winsock2")
 164         conf.check(lib='dbghelp', uselib_store='DBGHELP', msg="Checking for library dbghelp")
 165         conf.check(lib='shlwapi', uselib_store='SHLWAPI', msg="Checking for library shlwapi")
 166         conf.check(lib='mswsock', uselib_store='MSWSOCK', msg="Checking for library mswsock")
 167         conf.check(lib='ole32', uselib_store='OLE32', msg="Checking for library ole32")
 168         conf.check(lib='dsound', uselib_store='DSOUND', msg="Checking for library dsound")
 169         conf.check(lib='winmm', uselib_store='WINMM', msg="Checking for library winmm")
 170         conf.check(lib='ksuser', uselib_store='KSUSER', msg="Checking for library ksuser")
 171         conf.check(lib='setupapi', uselib_store='SETUPAPI', msg="Checking for library setupapi")
 172         boost_lib_suffix = '-mt'
 173         boost_thread = 'boost_thread-mt'
 174         conf.check_cxx(fragment="""
 175                                #include <boost/locale.hpp>\n
 176                                int main() { std::locale::global (boost::locale::generator().generate ("")); }\n
 177                                """,
 178                                msg='Checking for boost locale library',
 179                                libpath='/usr/local/lib',
 180                                lib=['boost_locale%s' % boost_lib_suffix, 'boost_system%s' % boost_lib_suffix],
 181                                uselib_store='BOOST_LOCALE')
 182
 183     # POSIX
 184     if conf.env.TARGET_LINUX or conf.env.TARGET_OSX:
 185         conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_POSIX')
 186         boost_lib_suffix = ''
 187         boost_thread = 'boost_thread'
 188         conf.env.append_value('LINKFLAGS', '-pthread')
 189
 190     # Linux
 191     if conf.env.TARGET_LINUX:
 192         conf.env.append_value('CXXFLAGS', '-mfpmath=sse')
 193         conf.env.append_value('CXXFLAGS', '-DLINUX_LOCALE_PREFIX="%s/share/locale"' % conf.env['INSTALL_PREFIX'])
 194         conf.env.append_value('CXXFLAGS', '-DLINUX_SHARE_PREFIX="%s/share"' % conf.env['INSTALL_PREFIX'])
 195         conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_LINUX')
 196         conf.env.append_value('CXXFLAGS', ['-Wlogical-op', '-Wcast-align'])
 197         conf.check(lib='dl', uselib_store='DL', msg='Checking for library dl')
 198
 199     # OSX
 200     if conf.env.TARGET_OSX:
 201         conf.env.append_value('CXXFLAGS', ['-DDCPOMATIC_OSX', '-DGL_SILENCE_DEPRECATION'])
 202         conf.env.append_value('LINKFLAGS', '-headerpad_max_install_names')
 203
 204     #
 205     # Dependencies.
 206     #
 207
 208     # It should be possible to use check_cfg for both dynamic and static linking, but
 209     # e.g. pkg-config --libs --static foo returns some libraries that should be statically
 210     # linked and others that should be dynamic.  This doesn't work too well with waf
 211     # as it wants them separate.
 212
 213     # libcurl
 214     if conf.options.static_curl:
 215         conf.env.STLIB_CURL = ['curl']
 216         conf.env.LIB_CURL = ['ssh2', 'idn']
 217     else:
 218         conf.check_cfg(package='libcurl', args='--cflags --libs', atleast_version='7.19.1', uselib_store='CURL', mandatory=True)
 219
 220     # libicu
 221     if conf.check_cfg(package='icu-i18n', args='--cflags --libs', uselib_store='ICU', mandatory=False) is None:
 222         if conf.check_cfg(package='icu', args='--cflags --libs', uselib_store='ICU', mandatory=False) is None:
 223             conf.check_cxx(fragment="""
 224                             #include <unicode/ucsdet.h>
 225                             int main(void) {
 226                                 UErrorCode status = U_ZERO_ERROR;
 227                                 UCharsetDetector* detector = ucsdet_open (&status);
 228                                 return 0; }\n
 229                             """,
 230                        mandatory=True,
 231                        msg='Checking for libicu',
 232                        okmsg='yes',
 233                        libpath=['/usr/local/lib', '/usr/lib', '/usr/lib/x86_64-linux-gnu'],
 234                        lib=['icuio', 'icui18n', 'icudata', 'icuuc'],
 235                        uselib_store='ICU')
 236
 237     # libsamplerate
 238     conf.check_cfg(package='samplerate', args='--cflags --libs', uselib_store='SAMPLERATE', mandatory=True)
 239
 240     # glib
 241     conf.check_cfg(package='glib-2.0', args='--cflags --libs', uselib_store='GLIB', mandatory=True)
 242
 243     # libzip
 244     conf.check_cfg(package='libzip', args='--cflags --libs', uselib_store='ZIP', mandatory=True)
 245     conf.check_cxx(fragment="""
 246                             #include <zip.h>
 247                             int main() { zip_source_t* foo; }
 248                             """,
 249                    mandatory=False,
 250                    msg="Checking for zip_source_t",
 251                    uselib="ZIP",
 252                    define_name='DCPOMATIC_HAVE_ZIP_SOURCE_T'
 253                    )
 254
 255     # libbz2; must be explicitly linked on macOS for some reason
 256     conf.check_cxx(fragment="""
 257                             #include <bzlib.h>
 258                             int main() { BZ2_bzCompressInit(0, 0, 0, 0); }
 259                             """,
 260                    mandatory=True,
 261                    msg="Checking for libbz2",
 262                    okmsg='yes',
 263                    lib='bz2',
 264                    uselib_store="BZ2"
 265                    )
 266
 267     # fontconfig
 268     conf.check_cfg(package='fontconfig', args='--cflags --libs', uselib_store='FONTCONFIG', mandatory=True)
 269
 270     # pangomm
 271     conf.check_cfg(package='pangomm-1.4', args='--cflags --libs', uselib_store='PANGOMM', mandatory=True)
 272
 273     # cairomm
 274     conf.check_cfg(package='cairomm-1.0', args='--cflags --libs', uselib_store='CAIROMM', mandatory=True)
 275
 276     # leqm_nrt
 277     conf.check_cfg(package='leqm_nrt', args='--cflags --libs', uselib_store='LEQM_NRT', mandatory=True)
 278
 279     # See if we have Cairo::ImageSurface::format_stride_for_width; Centos 5 does not
 280     conf.check_cxx(fragment="""
 281                             #include <cairomm/cairomm.h>
 282                             int main(void) {
 283                                 Cairo::ImageSurface::format_stride_for_width (Cairo::FORMAT_ARGB32, 1024);\n
 284                                 return 0; }\n
 285                             """,
 286                        mandatory=False,
 287                        msg='Checking for format_stride_for_width',
 288                        okmsg='yes',
 289                        includes=conf.env['INCLUDES_CAIROMM'],
 290                        uselib='CAIROMM',
 291                        define_name='DCPOMATIC_HAVE_FORMAT_STRIDE_FOR_WIDTH')
 292
 293     # See if we have Pango::Layout::show_in_cairo_context; Centos 5 does not
 294     conf.check_cxx(fragment="""
 295                             #include <pangomm.h>
 296                             int main(void) {
 297                                 Cairo::RefPtr<Cairo::Context> context;
 298                                 Glib::RefPtr<Pango::Layout> layout;
 299                                 layout->show_in_cairo_context (context);
 300                                 return 0; }\n
 301                             """,
 302                        mandatory=False,
 303                        msg='Checking for show_in_cairo_context',
 304                        okmsg='yes',
 305                        includes=conf.env['INCLUDES_PANGOMM'],
 306                        uselib='PANGOMM',
 307                        define_name='DCPOMATIC_HAVE_SHOW_IN_CAIRO_CONTEXT')
 308
 309
 310     # libcxml
 311     if conf.options.static_cxml:
 312         conf.check_cfg(package='libcxml', atleast_version='0.17.0', args='--cflags', uselib_store='CXML', mandatory=True)
 313         conf.env.STLIB_CXML = ['cxml']
 314     else:
 315         conf.check_cfg(package='libcxml', atleast_version='0.16.0', args='--cflags --libs', uselib_store='CXML', mandatory=True)
 316
 317     # libssh
 318     if conf.options.static_ssh:
 319         conf.env.STLIB_SSH = ['ssh']
 320         if conf.options.workaround_gssapi:
 321             conf.env.LIB_SSH = ['gssapi_krb5']
 322     else:
 323         conf.check_cxx(fragment="""
 324                                #include <libssh/libssh.h>\n
 325                                int main () {\n
 326                                ssh_new ();\n
 327                                return 0;\n
 328                                }
 329                                """,
 330                       msg='Checking for library libssh',
 331                       mandatory=True,
 332                       lib='ssh',
 333                       uselib_store='SSH')
 334
 335     # libdcp
 336     if conf.options.static_dcp:
 337         conf.check_cfg(package='libdcp-1.0', atleast_version='1.6.7', args='--cflags', uselib_store='DCP', mandatory=True)
 338         conf.env.DEFINES_DCP = [f.replace('\\', '') for f in conf.env.DEFINES_DCP]
 339         conf.env.STLIB_DCP = ['dcp-1.0', 'asdcp-carl', 'kumu-carl', 'openjp2']
 340         conf.env.LIB_DCP = ['glibmm-2.4', 'ssl', 'crypto', 'bz2', 'xslt', 'xerces-c']
 341     else:
 342         conf.check_cfg(package='libdcp-1.0', atleast_version='1.6.7', args='--cflags --libs', uselib_store='DCP', mandatory=True)
 343         conf.env.DEFINES_DCP = [f.replace('\\', '') for f in conf.env.DEFINES_DCP]
 344
 345     # libsub
 346     if conf.options.static_sub:
 347         conf.check_cfg(package='libsub-1.0', atleast_version='1.4.7', args='--cflags', uselib_store='SUB', mandatory=True)
 348         conf.env.DEFINES_SUB = [f.replace('\\', '') for f in conf.env.DEFINES_SUB]
 349         conf.env.STLIB_SUB = ['sub-1.0']
 350     else:
 351         conf.check_cfg(package='libsub-1.0', atleast_version='1.4.7', args='--cflags --libs', uselib_store='SUB', mandatory=True)
 352         conf.env.DEFINES_SUB = [f.replace('\\', '') for f in conf.env.DEFINES_SUB]
 353
 354     # libxml++
 355     if conf.options.static_xmlpp:
 356         conf.env.STLIB_XMLPP = ['xml++-2.6']
 357         conf.env.LIB_XMLPP = ['xml2']
 358     else:
 359         conf.check_cfg(package='libxml++-2.6', args='--cflags --libs', uselib_store='XMLPP', mandatory=True)
 360
 361     # libxmlsec
 362     if conf.options.static_xmlsec:
 363         if conf.check_cxx(lib='xmlsec1-openssl', mandatory=False):
 364             conf.env.STLIB_XMLSEC = ['xmlsec1-openssl', 'xmlsec1']
 365         else:
 366             conf.env.STLIB_XMLSEC = ['xmlsec1']
 367     else:
 368         conf.env.LIB_XMLSEC = ['xmlsec1-openssl', 'xmlsec1']
 369
 370     # nettle
 371     conf.check_cfg(package="nettle", args='--cflags --libs', uselib_store='NETTLE', mandatory=True)
 372
 373     # libpng
 374     conf.check_cfg(package='libpng', args='--cflags --libs', uselib_store='PNG', mandatory=True)
 375
 376     # lwext4
 377     if conf.options.enable_disk:
 378         conf.check_cxx(fragment="""
 379                                 #include <lwext4/ext4.h>\n
 380                                 int main() { ext4_mount("ext4_fs", "/mp/", false); }\n
 381                                 """,
 382                                 msg='Checking for lwext4 library',
 383                                 libpath='/usr/local/lib',
 384                                 lib=['lwext4', 'blockdev'],
 385                                 uselib_store='LWEXT4')
 386
 387     if conf.env.TARGET_LINUX and conf.options.enable_disk:
 388         conf.check_cfg(package='polkit-gobject-1', args='--cflags --libs', uselib_store='POLKIT', mandatory=True)
 389
 390     # nanomsg
 391     if conf.options.enable_disk:
 392         if conf.check_cfg(package='nanomsg', args='--cflags --libs', uselib_store='NANOMSG', mandatory=False) is None:
 393             conf.check_cfg(package='libnanomsg', args='--cflags --libs', uselib_store='NANOMSG', mandatory=True)
 394         if conf.env.TARGET_LINUX:
 395             # We link with nanomsg statically on Centos 8 so we need to link this as well
 396             conf.env.LIB_NANOMSG.append('anl')
 397
 398     # FFmpeg
 399     if conf.options.static_ffmpeg:
 400         names = ['avformat', 'avfilter', 'avcodec', 'avutil', 'swscale', 'postproc', 'swresample']
 401         for name in names:
 402             static = subprocess.Popen(shlex.split('pkg-config --static --libs lib%s' % name), stdout=subprocess.PIPE).communicate()[0].decode('utf-8')
 403             libs = []
 404             stlibs = []
 405             include = []
 406             libpath = []
 407             for s in static.split():
 408                 if s.startswith('-L'):
 409                     libpath.append(s[2:])
 410                 elif s.startswith('-I'):
 411                     include.append(s[2:])
 412                 elif s.startswith('-l'):
 413                     if s[2:] not in names:
 414                         libs.append(s[2:])
 415                     else:
 416                         stlibs.append(s[2:])
 417
 418             conf.env['LIB_%s' % name.upper()] = libs
 419             conf.env['STLIB_%s' % name.upper()] = stlibs
 420             conf.env['INCLUDES_%s' % name.upper()] = include
 421             conf.env['LIBPATH_%s' % name.upper()] = libpath
 422     else:
 423         conf.check_cfg(package='libavformat', args='--cflags --libs', uselib_store='AVFORMAT', mandatory=True)
 424         conf.check_cfg(package='libavfilter', args='--cflags --libs', uselib_store='AVFILTER', mandatory=True)
 425         conf.check_cfg(package='libavcodec', args='--cflags --libs', uselib_store='AVCODEC', mandatory=True)
 426         conf.check_cfg(package='libavutil', args='--cflags --libs', uselib_store='AVUTIL', mandatory=True)
 427         conf.check_cfg(package='libswscale', args='--cflags --libs', uselib_store='SWSCALE', mandatory=True)
 428         conf.check_cfg(package='libpostproc', args='--cflags --libs', uselib_store='POSTPROC', mandatory=True)
 429         conf.check_cfg(package='libswresample', args='--cflags --libs', uselib_store='SWRESAMPLE', mandatory=True)
 430
 431     # Check to see if we have our version of FFmpeg that allows us to get at EBUR128 results
 432     conf.check_cxx(fragment="""
 433                             extern "C" {\n
 434                             #include <libavfilter/f_ebur128.h>\n
 435                             }\n
 436                             int main () { av_ebur128_get_true_peaks (0); }\n
 437                             """,
 438                    msg='Checking for EBUR128-patched FFmpeg',
 439                    uselib='AVCODEC AVFILTER',
 440                    define_name='DCPOMATIC_HAVE_EBUR128_PATCHED_FFMPEG',
 441                    mandatory=False)
 442
 443     # Check to see if we have our AVSubtitleRect has a pict member
 444     # Older versions (e.g. that shipped with Ubuntu 16.04) do
 445     conf.check_cxx(fragment="""
 446                             extern "C" {\n
 447                             #include <libavcodec/avcodec.h>\n
 448                             }\n
 449                             int main () { AVSubtitleRect r; r.pict; }\n
 450                             """,
 451                    msg='Checking for AVSubtitleRect::pict',
 452                    cxxflags='-Wno-unused-result -Wno-unused-value -Wdeprecated-declarations -Werror',
 453                    uselib='AVCODEC',
 454                    define_name='DCPOMATIC_HAVE_AVSUBTITLERECT_PICT',
 455                    mandatory=False)
 456
 457     # Check to see if we have our AVComponentDescriptor has a depth_minus1 member
 458     # Older versions (e.g. that shipped with Ubuntu 16.04) do
 459     conf.check_cxx(fragment="""
 460                             extern "C" {\n
 461                             #include <libavutil/pixdesc.h>\n
 462                             }\n
 463                             int main () { AVComponentDescriptor d; d.depth_minus1; }\n
 464                             """,
 465                    msg='Checking for AVComponentDescriptor::depth_minus1',
 466                    cxxflags='-Wno-unused-result -Wno-unused-value -Wdeprecated-declarations -Werror',
 467                    uselib='AVUTIL',
 468                    define_name='DCPOMATIC_HAVE_AVCOMPONENTDESCRIPTOR_DEPTH_MINUS1',
 469                    mandatory=False)
 470
 471     # Hack: the previous two check_cxx calls end up copying their (necessary) cxxflags
 472     # to these variables.  We don't want to use these for the actual build, so clean them out.
 473     conf.env['CXXFLAGS_AVCODEC'] = []
 474     conf.env['CXXFLAGS_AVUTIL'] = []
 475
 476     if conf.env.TARGET_LINUX:
 477         conf.env.LIB_X11 = ['X11']
 478
 479     # We support older boosts on Linux so we can use the distribution-provided package
 480     # on Centos 7, but it's good if we can use 1.61 for boost::dll::program_location()
 481     boost_version = ('1.45', '104500') if conf.env.TARGET_LINUX else ('1.61', '106800')
 482
 483     # Boost
 484     if conf.options.static_boost:
 485         conf.env.STLIB_BOOST_THREAD = ['boost_thread']
 486         conf.env.STLIB_BOOST_FILESYSTEM = ['boost_filesystem%s' % boost_lib_suffix]
 487         conf.env.STLIB_BOOST_DATETIME = ['boost_date_time%s' % boost_lib_suffix, 'boost_system%s' % boost_lib_suffix]
 488         conf.env.STLIB_BOOST_SIGNALS2 = ['boost_signals2']
 489         conf.env.STLIB_BOOST_SYSTEM = ['boost_system']
 490         conf.env.STLIB_BOOST_REGEX = ['boost_regex']
 491     else:
 492         conf.check_cxx(fragment="""
 493                             #include <boost/version.hpp>\n
 494                             #if BOOST_VERSION < %s\n
 495                             #error boost too old\n
 496                             #endif\n
 497                             int main(void) { return 0; }\n
 498                             """ % boost_version[1],
 499                        mandatory=True,
 500                        msg='Checking for boost library >= %s' % boost_version[0],
 501                        okmsg='yes',
 502                        errmsg='too old\nPlease install boost version %s or higher.' % boost_version[0])
 503
 504         conf.check_cxx(fragment="""
 505                             #include <boost/thread.hpp>\n
 506                             int main() { boost::thread t; }\n
 507                             """,
 508                        msg='Checking for boost threading library',
 509                        libpath='/usr/local/lib',
 510                        lib=[boost_thread, 'boost_system%s' % boost_lib_suffix],
 511                        uselib_store='BOOST_THREAD')
 512
 513         conf.check_cxx(fragment="""
 514                             #include <boost/filesystem.hpp>\n
 515                             int main() { boost::filesystem::copy_file ("a", "b"); }\n
 516                             """,
 517                        msg='Checking for boost filesystem library',
 518                        libpath='/usr/local/lib',
 519                        lib=['boost_filesystem%s' % boost_lib_suffix, 'boost_system%s' % boost_lib_suffix],
 520                        uselib_store='BOOST_FILESYSTEM')
 521
 522         conf.check_cxx(fragment="""
 523                             #include <boost/date_time.hpp>\n
 524                             int main() { boost::gregorian::day_clock::local_day(); }\n
 525                             """,
 526                        msg='Checking for boost datetime library',
 527                        libpath='/usr/local/lib',
 528                        lib=['boost_date_time%s' % boost_lib_suffix, 'boost_system%s' % boost_lib_suffix],
 529                        uselib_store='BOOST_DATETIME')
 530
 531         conf.check_cxx(fragment="""
 532                             #include <boost/signals2.hpp>\n
 533                             int main() { boost::signals2::signal<void (int)> x; }\n
 534                             """,
 535                        msg='Checking for boost signals2 library',
 536                        uselib_store='BOOST_SIGNALS2')
 537
 538         conf.check_cxx(fragment="""
 539                             #include <boost/regex.hpp>\n
 540                             int main() { boost::regex re ("foo"); }\n
 541                             """,
 542                        msg='Checking for boost regex library',
 543                        lib=['boost_regex%s' % boost_lib_suffix],
 544                        uselib_store='BOOST_REGEX')
 545
 546         # Really just checking for the header here (there's no associated library) but the test
 547         # program has to link with boost_system so I'm doing it this way.
 548         if conf.options.enable_disk:
 549             deps = ['boost_system%s' % boost_lib_suffix]
 550             if conf.env.TARGET_WINDOWS:
 551                 deps.append('ws2_32')
 552                 deps.append('boost_filesystem%s' % boost_lib_suffix)
 553             conf.check_cxx(fragment="""
 554                                 #include <boost/process.hpp>\n
 555                                 int main() { new boost::process::child("foo"); }\n
 556                                 """,
 557                            cxxflags='-Wno-unused-parameter',
 558                            msg='Checking for boost process library',
 559                            lib=deps,
 560                            uselib_store='BOOST_PROCESS')
 561
 562     # Other stuff
 563
 564     conf.find_program('msgfmt', var='MSGFMT')
 565     conf.check(header_name='valgrind/memcheck.h', mandatory=False)
 566
 567     datadir = conf.env.DATADIR
 568     if not datadir:
 569         datadir = os.path.join(conf.env.PREFIX, 'share')
 570
 571     conf.define('LOCALEDIR', os.path.join(datadir, 'locale'))
 572     conf.define('DATADIR', datadir)
 573
 574     conf.recurse('src')
 575     if not conf.env.DISABLE_TESTS:
 576         conf.recurse('test')
 577
 578     Logs.pprint('YELLOW', '')
 579     if conf.env.TARGET_WINDOWS:
 580         Logs.pprint('YELLOW', '\t' + 'Target'.ljust(25) + ': Windows')
 581     elif conf.env.TARGET_LINUX:
 582         Logs.pprint('YELLOW', '\t' + 'Target'.ljust(25) + ': Linux')
 583     elif conf.env.TARGET_OSX:
 584         Logs.pprint('YELLOW', '\t' + 'Target'.ljust(25) + ': OS X')
 585
 586     def report(name, variable):
 587         linkage = ''
 588         if variable:
 589             linkage = 'static'
 590         else:
 591             linkage = 'dynamic'
 592         Logs.pprint('YELLOW', '\t%s: %s' % (name.ljust(25), linkage))
 593
 594     report('DCP-o-matic libraries', conf.options.static_dcpomatic)
 595     report('Boost', conf.options.static_boost)
 596     report('wxWidgets', conf.options.static_wxwidgets)
 597     report('FFmpeg', conf.options.static_ffmpeg)
 598     report('libxml++', conf.options.static_xmlpp)
 599     report('xmlsec', conf.options.static_xmlsec)
 600     report('libssh', conf.options.static_ssh)
 601     report('libcxml', conf.options.static_cxml)
 602     report('libdcp', conf.options.static_dcp)
 603     report('libcurl', conf.options.static_curl)
 604
 605     Logs.pprint('YELLOW', '')
 606
 607 def download_supporters(can_fail):
 608     r = os.system('curl -m 2 -s -f https://dcpomatic.com/supporters.cc > src/wx/supporters.cc')
 609     if (r >> 8) == 0:
 610         r = os.system('curl -s -f https://dcpomatic.com/subscribers.cc > src/wx/subscribers.cc')
 611     if (r >> 8) != 0:
 612         if can_fail:
 613             raise Exception("Could not download supporters lists (%d)" % (r >> 8))
 614         else:
 615             f = open('src/wx/supporters.cc', 'w')
 616             print('supported_by.Add(wxT("Debug build - no supporters lists available"));', file=f)
 617             f.close()
 618             f = open('src/wx/subscribers.cc', 'w')
 619             print('subscribers.Add(wxT("Debug build - no subscribers lists available"));', file=f)
 620             f.close()
 621
 622 def build(bld):
 623     create_version_cc(VERSION, bld.env.CXXFLAGS)
 624     download_supporters(not bld.env.DEBUG)
 625
 626     bld.recurse('src')
 627     bld.recurse('graphics')
 628
 629     if not bld.env.DISABLE_TESTS:
 630         bld.recurse('test')
 631     if bld.env.TARGET_WINDOWS:
 632         bld.recurse('platform/windows')
 633     if bld.env.TARGET_LINUX:
 634         bld.recurse('platform/linux')
 635     if bld.env.TARGET_OSX:
 636         bld.recurse('platform/osx')
 637
 638     if not bld.env.TARGET_WINDOWS:
 639         bld.install_files('${PREFIX}/share/dcpomatic2', 'fonts/LiberationSans-Regular.ttf')
 640         bld.install_files('${PREFIX}/share/dcpomatic2', 'fonts/LiberationSans-Italic.ttf')
 641         bld.install_files('${PREFIX}/share/dcpomatic2', 'fonts/LiberationSans-Bold.ttf')
 642
 643     bld.add_post_fun(post)
 644
 645 def git_revision():
 646     if not os.path.exists('.git'):
 647         return None
 648
 649     cmd = "LANG= git log --abbrev HEAD^..HEAD ."
 650     output = subprocess.Popen(cmd, shell=True, stderr=subprocess.STDOUT, stdout=subprocess.PIPE).communicate()[0].splitlines()
 651     if len(output) == 0:
 652         return None
 653     o = output[0].decode('utf-8')
 654     return o.replace("commit ", "")[0:10]
 655
 656 def dist(ctx):
 657     r = git_revision()
 658     if r is not None:
 659         f = open('.git_revision', 'w')
 660         print(r, file=f)
 661         f.close()
 662
 663     ctx.excl = """
 664                TODO core *~ src/wx/*~ src/lib/*~ builds/*~ doc/manual/*~ src/tools/*~ *.pyc .waf* build .git
 665                deps alignment hacks sync *.tar.bz2 *.exe .lock* *build-windows doc/manual/pdf doc/manual/html
 666                GRSYMS GRTAGS GSYMS GTAGS compile_commands.json
 667                """
 668
 669 def create_version_cc(version, cxx_flags):
 670     commit = git_revision()
 671     if commit is None and os.path.exists('.git_revision'):
 672         f = open('.git_revision', 'r')
 673         commit = f.readline().strip()
 674
 675     if commit is None:
 676         commit = 'release'
 677
 678     try:
 679         text =  '#include "version.h"\n'
 680         text += 'char const * dcpomatic_git_commit = \"%s\";\n' % commit
 681         text += 'char const * dcpomatic_version = \"%s\";\n' % version
 682
 683         t = ''
 684         for f in cxx_flags:
 685             f = f.replace('"', '\\"')
 686             t += f + ' '
 687         text += 'char const * dcpomatic_cxx_flags = \"%s\";\n' % t[:-1]
 688
 689         print('Writing version information to src/lib/version.cc')
 690         o = open('src/lib/version.cc', 'w')
 691         o.write(text)
 692         o.close()
 693     except IOError:
 694         print('Could not open src/lib/version.cc for writing\n')
 695         sys.exit(-1)
 696
 697 def post(ctx):
 698     if ctx.cmd == 'install' and ctx.env.TARGET_LINUX:
 699         ctx.exec_command('/sbin/ldconfig')
 700         # setuid root executables
 701         for e in ['dcpomatic2_uuid', 'dcpomatic2_disk_writer']:
 702             # I can't find anything which tells me where things have been installed to,
 703             # so here's some nasty hacks to guess.
 704             debian = os.path.join(ctx.out_dir, '../debian/dcpomatic/usr/bin/%s' % e)
 705             prefix = os.path.join(ctx.env['INSTALL_PREFIX'], 'bin/%s' % e)
 706             if os.path.exists(debian):
 707                 os.chmod(debian, 0o4755)
 708             if os.path.exists(prefix):
 709                 os.chmod(prefix, 0o4755)
 710
 711 def pot(bld):
 712     bld.recurse('src')
 713
 714 def pot_merge(bld):
 715     bld.recurse('src')
 716
 717 def tags(bld):
 718     os.system('etags src/lib/*.cc src/lib/*.h src/wx/*.cc src/wx/*.h src/tools/*.cc')
 719
 720 def cppcheck(bld):
 721     os.system('cppcheck --enable=all --quiet .')