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('--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('--enable-grok',       action='store_true', default=False, help='build with support for grok J2K encoder')
  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     opt.add_option('--c++17', action='store_true', default=False, help='build with C++17 and libxml++-4.0')
  84     opt.add_option('--variant', help="build with variant")
  85
  86 def configure(conf):
  87     conf.load('compiler_cxx')
  88     conf.load('clang_compilation_database', tooldir=['waf-tools'])
  89     if conf.options.target_windows_64 or conf.options.target_windows_32:
  90         conf.load('winres')
  91
  92     if vars(conf.options)['c++17']:
  93         cpp_std = '17'
  94         conf.env.XMLPP_API = '4.0'
  95         conf.env.PANGOMM_API = '2.48'
  96         conf.env.CAIROMM_API = '1.16'
  97     else:
  98         cpp_std = '11'
  99         conf.env.XMLPP_API = '2.6'
 100         conf.env.PANGOMM_API = '1.4'
 101         conf.env.CAIROMM_API = '1.0'
 102
 103     # Save conf.options that we need elsewhere in conf.env
 104     conf.env.DISABLE_GUI = conf.options.disable_gui
 105     conf.env.DISABLE_TESTS = conf.options.disable_tests
 106     conf.env.TARGET_WINDOWS_64 = conf.options.target_windows_64
 107     conf.env.TARGET_WINDOWS_32 = conf.options.target_windows_32
 108     conf.env.TARGET_OSX = sys.platform == 'darwin'
 109     conf.env.TARGET_LINUX = not conf.env.TARGET_WINDOWS_64 and not conf.env.TARGET_WINDOWS_32 and not conf.env.TARGET_OSX
 110     conf.env.VERSION = VERSION
 111     conf.env.DEBUG = conf.options.enable_debug
 112     conf.env.STATIC_DCPOMATIC = conf.options.static_dcpomatic
 113     conf.env.ENABLE_DISK = conf.options.enable_disk
 114     conf.env.ENABLE_GROK = conf.options.enable_grok
 115     if conf.options.destdir == '':
 116         conf.env.INSTALL_PREFIX = conf.options.prefix
 117     else:
 118         conf.env.INSTALL_PREFIX = conf.options.destdir
 119     conf.env.VARIANT = conf.options.variant if conf.options.variant else "dcpomatic"
 120
 121     conf.check_cxx(cxxflags=['-msse', '-mfpmath=sse'], msg='Checking for SSE support', mandatory=False, define_name='SSE')
 122
 123     # Common CXXFLAGS
 124     conf.env.append_value('CXXFLAGS', ['-D__STDC_CONSTANT_MACROS',
 125                                        '-D__STDC_LIMIT_MACROS',
 126                                        '-D__STDC_FORMAT_MACROS',
 127                                        '-fno-strict-aliasing',
 128                                        '-Wall',
 129                                        '-Wextra',
 130                                        '-Wwrite-strings',
 131                                        # getMessengerLogger() in the grok code triggers these warnings
 132                                        '-Wno-nonnull',
 133                                        '-Wno-error=deprecated',
 134                                        # I tried and failed to ignore these with _Pragma
 135                                        '-Wno-ignored-qualifiers',
 136                                        '-D_FILE_OFFSET_BITS=64',
 137                                        '-std=c++' + cpp_std])
 138
 139     if conf.options.disable_more_warnings:
 140         # These are for Xcode 15.0.1 with the v2.16.x-era
 141         # dependencies; maybe they aren't necessary when building
 142         # v2.1{7,8}.x
 143         conf.env.append_value('CXXFLAGS', ['-Wno-deprecated-builtins',
 144                                            '-Wno-deprecated-declarations',
 145                                            '-Wno-enum-constexpr-conversion',
 146                                            '-Wno-deprecated-copy'])
 147
 148     if conf.options.warnings_are_errors:
 149         conf.env.append_value('CXXFLAGS', '-Werror')
 150
 151     if conf.env.SSE:
 152         conf.env.append_value('CXXFLAGS', ['-msse', '-mfpmath=sse'])
 153
 154     if conf.options.enable_asan:
 155         conf.env.append_value('CXXFLAGS', '-fsanitize=address')
 156         conf.env.append_value('LINKFLAGS', '-fsanitize=address')
 157
 158     if conf.env['CXX_NAME'] == 'gcc':
 159         gcc = conf.env['CC_VERSION']
 160         if int(gcc[0]) >= 8:
 161             # I tried and failed to ignore these with _Pragma
 162             conf.env.append_value('CXXFLAGS', ['-Wno-cast-function-type'])
 163         # Most gccs still give these warnings from boost::optional
 164         conf.env.append_value('CXXFLAGS', ['-Wno-maybe-uninitialized'])
 165         if int(gcc[0]) > 8:
 166             # gcc 4.8.5 on Centos 7 does not have this warning
 167             # gcc 7.5.0 on Ubuntu 18.04 and gcc 8.3.0 on Debian 10 do, but
 168             # I didn't manage to turn it back off again with a pragma
 169             conf.env.append_value('CXXFLAGS', ['-Wsuggest-override'])
 170
 171     if conf.options.enable_debug:
 172         conf.env.append_value('CXXFLAGS', ['-g', '-DDCPOMATIC_DEBUG', '-fno-omit-frame-pointer'])
 173     else:
 174         conf.env.append_value('CXXFLAGS', '-O2')
 175
 176     if conf.options.enable_disk:
 177         conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_DISK')
 178
 179     if conf.options.enable_grok:
 180         conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_GROK')
 181
 182     if conf.options.use_lld:
 183         try:
 184             conf.find_program('ld.lld')
 185             conf.env.append_value('LINKFLAGS', '-fuse-ld=lld')
 186         except conf.errors.ConfigurationError:
 187             pass
 188
 189     #
 190     # Windows/Linux/macOS specific
 191     #
 192
 193     # Windows
 194     if conf.env.TARGET_WINDOWS_64 or conf.env.TARGET_WINDOWS_32:
 195         conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_WINDOWS')
 196         conf.env.append_value('CXXFLAGS', '-DWIN32_LEAN_AND_MEAN')
 197         conf.env.append_value('CXXFLAGS', '-DBOOST_USE_WINDOWS_H')
 198         conf.env.append_value('CXXFLAGS', '-DBOOST_THREAD_PROVIDES_GENERIC_SHARED_MUTEX_ON_WIN')
 199         conf.env.append_value('CXXFLAGS', '-Wcast-align')
 200         wxrc = os.popen('wx-config --rescomp').read().split()[1:]
 201         conf.env.append_value('WINRCFLAGS', wxrc)
 202         if conf.options.enable_debug:
 203             conf.env.append_value('CXXFLAGS', ['-mconsole'])
 204             conf.env.append_value('LINKFLAGS', ['-mconsole'])
 205         conf.check(lib='ws2_32', uselib_store='WINSOCK2', msg="Checking for library winsock2")
 206         conf.check(lib='dbghelp', uselib_store='DBGHELP', msg="Checking for library dbghelp")
 207         conf.check(lib='shlwapi', uselib_store='SHLWAPI', msg="Checking for library shlwapi")
 208         conf.check(lib='mswsock', uselib_store='MSWSOCK', msg="Checking for library mswsock")
 209         conf.check(lib='ole32', uselib_store='OLE32', msg="Checking for library ole32")
 210         conf.check(lib='dsound', uselib_store='DSOUND', msg="Checking for library dsound")
 211         conf.check(lib='winmm', uselib_store='WINMM', msg="Checking for library winmm")
 212         conf.check(lib='ksuser', uselib_store='KSUSER', msg="Checking for library ksuser")
 213         conf.check(lib='setupapi', uselib_store='SETUPAPI', msg="Checking for library setupapi")
 214         conf.check(lib='uuid', uselib_store='UUID', msg="Checking for library uuid")
 215         boost_lib_suffix = '-mt-x32' if conf.options.target_windows_32 else '-mt-x64'
 216         boost_thread = 'boost_thread' + boost_lib_suffix
 217         conf.check_cxx(fragment="""
 218                                #include <boost/locale.hpp>\n
 219                                int main() { std::locale::global (boost::locale::generator().generate ("")); }\n
 220                                """,
 221                                msg='Checking for boost locale library',
 222                                libpath='/usr/local/lib',
 223                                lib=['boost_locale%s' % boost_lib_suffix, 'boost_system%s' % boost_lib_suffix],
 224                                uselib_store='BOOST_LOCALE')
 225
 226     # POSIX
 227     if conf.env.TARGET_LINUX or conf.env.TARGET_OSX:
 228         conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_POSIX')
 229         boost_lib_suffix = ''
 230         boost_thread = 'boost_thread'
 231         conf.env.append_value('LINKFLAGS', '-pthread')
 232
 233     # Linux
 234     if conf.env.TARGET_LINUX:
 235         conf.env.append_value('CXXFLAGS', '-DLINUX_LOCALE_PREFIX="%s/share/locale"' % conf.env['INSTALL_PREFIX'])
 236         conf.env.append_value('CXXFLAGS', '-DLINUX_SHARE_PREFIX="%s/share"' % conf.env['INSTALL_PREFIX'])
 237         conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_LINUX')
 238         conf.env.append_value('CXXFLAGS', ['-Wlogical-op', '-Wcast-align'])
 239         conf.check(lib='dl', uselib_store='DL', msg='Checking for library dl')
 240
 241     # OSX
 242     if conf.env.TARGET_OSX:
 243         conf.env.append_value('CXXFLAGS', ['-DDCPOMATIC_OSX', '-DGL_SILENCE_DEPRECATION'])
 244         conf.env.append_value('LINKFLAGS', '-headerpad_max_install_names')
 245         conf.env.append_value('LINKFLAGS', '-llzma')
 246
 247     #
 248     # Dependencies.
 249     #
 250
 251     # It should be possible to use check_cfg for both dynamic and static linking, but
 252     # e.g. pkg-config --libs --static foo returns some libraries that should be statically
 253     # linked and others that should be dynamic.  This doesn't work too well with waf
 254     # as it wants them separate.
 255
 256     # libcurl
 257     if conf.options.static_curl:
 258         conf.env.STLIB_CURL = ['curl']
 259         conf.env.LIB_CURL = ['ssh2', 'idn']
 260     else:
 261         conf.check_cfg(package='libcurl', args='libcurl >= 7.19.1 --cflags --libs', uselib_store='CURL', mandatory=True)
 262
 263     # libicu
 264     if conf.check_cfg(package='icu-i18n', args='--cflags --libs', uselib_store='ICU', mandatory=False) is None:
 265         if conf.check_cfg(package='icu', args='--cflags --libs', uselib_store='ICU', mandatory=False) is None:
 266             conf.check_cxx(fragment="""
 267                             #include <unicode/ucsdet.h>
 268                             int main(void) {
 269                                 UErrorCode status = U_ZERO_ERROR;
 270                                 UCharsetDetector* detector = ucsdet_open (&status);
 271                                 return 0; }\n
 272                             """,
 273                        mandatory=True,
 274                        msg='Checking for libicu',
 275                        okmsg='yes',
 276                        libpath=['/usr/local/lib', '/usr/lib', '/usr/lib/x86_64-linux-gnu'],
 277                        lib=['icuio', 'icui18n', 'icudata', 'icuuc'],
 278                        uselib_store='ICU')
 279
 280     # libsamplerate
 281     conf.check_cfg(package='samplerate', args='--cflags --libs', uselib_store='SAMPLERATE', mandatory=True)
 282
 283     # glib
 284     conf.check_cfg(package='glib-2.0', args='--cflags --libs', uselib_store='GLIB', mandatory=True)
 285
 286     # libzip
 287     conf.check_cfg(package='libzip', args='--cflags --libs', uselib_store='ZIP', mandatory=True)
 288     conf.check_cxx(fragment="""
 289                             #include <zip.h>
 290                             int main() { zip_source_t* foo; (void)foo; }
 291                             """,
 292                    mandatory=False,
 293                    msg="Checking for zip_source_t",
 294                    uselib="ZIP",
 295                    define_name='DCPOMATIC_HAVE_ZIP_SOURCE_T'
 296                    )
 297     conf.check_cxx(fragment="""
 298                             #include <zip.h>
 299                             int main() { struct zip* zip = nullptr; zip_source_t* source = nullptr; zip_file_add(zip, "foo", source, ZIP_FL_ENC_GUESS); }
 300                             """,
 301                    mandatory=False,
 302                    msg="Checking for zip_file_add",
 303                    uselib="ZIP",
 304                    define_name='DCPOMATIC_HAVE_ZIP_FILE_ADD'
 305                    )
 306     conf.check_cxx(fragment="""
 307                             #include <zip.h>
 308                             int main() { int error; zip_open("foo", ZIP_RDONLY, &error); }
 309                             """,
 310                    mandatory=False,
 311                    msg="Checking for ZIP_RDONLY",
 312                    uselib="ZIP",
 313                    define_name='DCPOMATIC_HAVE_ZIP_RDONLY'
 314                    )
 315
 316     # libbz2; must be explicitly linked on macOS for some reason
 317     conf.check_cxx(fragment="""
 318                             #include <bzlib.h>
 319                             int main() { BZ2_bzCompressInit(0, 0, 0, 0); }
 320                             """,
 321                    mandatory=True,
 322                    msg="Checking for libbz2",
 323                    okmsg='yes',
 324                    lib='bz2',
 325                    uselib_store="BZ2"
 326                    )
 327
 328     # libz; must be explicitly linked on macOS for some reason
 329     conf.check_cxx(fragment="""
 330                             #include <zlib.h>
 331                             int main() { zlibVersion(); }
 332                             """,
 333                    mandatory=True,
 334                    msg="Checking for libz",
 335                    okmsg='yes',
 336                    lib='z',
 337                    uselib_store="LIBZ"
 338                    )
 339
 340     # fontconfig
 341     conf.check_cfg(package='fontconfig', args='--cflags --libs', uselib_store='FONTCONFIG', mandatory=True)
 342
 343     # pangomm
 344     conf.check_cfg(package='pangomm-' + conf.env.PANGOMM_API, args='--cflags --libs', uselib_store='PANGOMM', mandatory=True)
 345
 346     # cairomm
 347     conf.check_cfg(package='cairomm-' + conf.env.CAIROMM_API, args='--cflags --libs', uselib_store='CAIROMM', mandatory=True)
 348
 349     # leqm_nrt
 350     conf.check_cfg(package='leqm_nrt', args='--cflags --libs', uselib_store='LEQM_NRT', mandatory=True)
 351
 352     # libcxml
 353     if conf.options.static_cxml:
 354         conf.check_cfg(package='libcxml', args='libcxml >= 0.17.0 --cflags', uselib_store='CXML', mandatory=True)
 355         conf.env.STLIB_CXML = ['cxml']
 356     else:
 357         conf.check_cfg(package='libcxml', args='libcxml >= 0.16.0 --cflags --libs', uselib_store='CXML', mandatory=True)
 358
 359     # libssh
 360     if conf.options.static_ssh:
 361         conf.env.STLIB_SSH = ['ssh']
 362         if conf.options.workaround_gssapi:
 363             conf.env.LIB_SSH = ['gssapi_krb5']
 364     else:
 365         conf.check_cxx(fragment="""
 366                                #include <libssh/libssh.h>\n
 367                                int main () {\n
 368                                ssh_new ();\n
 369                                return 0;\n
 370                                }
 371                                """,
 372                       msg='Checking for library libssh',
 373                       mandatory=True,
 374                       lib='ssh',
 375                       uselib_store='SSH')
 376
 377     # libdcp
 378     if conf.options.static_dcp:
 379         conf.check_cfg(package='libdcp-1.0', args='libdcp-1.0 >= %s --cflags' % libdcp_version, uselib_store='DCP', mandatory=True)
 380         conf.env.DEFINES_DCP = [f.replace('\\', '') for f in conf.env.DEFINES_DCP]
 381         conf.env.STLIB_DCP = ['dcp-1.0', 'asdcp-dcpomatic', 'kumu-dcpomatic', 'openjp2']
 382         conf.env.LIB_DCP = ['glibmm-2.4', 'ssl', 'crypto', 'bz2', 'xslt', 'xerces-c']
 383     else:
 384         conf.check_cfg(package='libdcp-1.0', args='libdcp-1.0 >= %s --cflags --libs' % libdcp_version, uselib_store='DCP', mandatory=True)
 385         conf.env.DEFINES_DCP = [f.replace('\\', '') for f in conf.env.DEFINES_DCP]
 386
 387     # libsub
 388     if conf.options.static_sub:
 389         conf.check_cfg(package='libsub-1.0', args='libsub-1.0 >= %s --cflags' % libsub_version, uselib_store='SUB', mandatory=True)
 390         conf.env.DEFINES_SUB = [f.replace('\\', '') for f in conf.env.DEFINES_SUB]
 391         conf.env.STLIB_SUB = ['sub-1.0']
 392     else:
 393         conf.check_cfg(package='libsub-1.0', args='libsub-1.0 >= %s --cflags --libs' % libsub_version, uselib_store='SUB', mandatory=True)
 394         conf.env.DEFINES_SUB = [f.replace('\\', '') for f in conf.env.DEFINES_SUB]
 395
 396     # libxml++
 397     if conf.options.static_xmlpp:
 398         conf.env.STLIB_XMLPP = ['xml++-' + conf.env.XMLPP_API]
 399         conf.env.LIB_XMLPP = ['xml2']
 400     else:
 401         conf.check_cfg(package='libxml++-' + conf.env.XMLPP_API, args='--cflags --libs', uselib_store='XMLPP', mandatory=True)
 402
 403     # libxmlsec
 404     if conf.options.static_xmlsec:
 405         if conf.check_cxx(lib='xmlsec1-openssl', mandatory=False):
 406             conf.env.STLIB_XMLSEC = ['xmlsec1-openssl', 'xmlsec1']
 407         else:
 408             conf.env.STLIB_XMLSEC = ['xmlsec1']
 409     else:
 410         conf.env.LIB_XMLSEC = ['xmlsec1-openssl', 'xmlsec1']
 411
 412     # nettle
 413     conf.check_cfg(package="nettle", args='--cflags --libs', uselib_store='NETTLE', mandatory=True)
 414
 415     # libpng
 416     conf.check_cfg(package='libpng', args='--cflags --libs', uselib_store='PNG', mandatory=True)
 417
 418     # libjpeg
 419     conf.check_cxx(fragment="""
 420                             #include <cstddef>
 421                             #include <cstdio>
 422                             #include <jpeglib.h>
 423                             int main() { struct jpeg_compress_struct compress; jpeg_create_compress (&compress); return 0; }
 424                             """,
 425                    msg='Checking for libjpeg',
 426                    libpath='/usr/local/lib',
 427                    lib=['jpeg'],
 428                    uselib_store='JPEG')
 429
 430     # lwext4
 431     if conf.options.enable_disk:
 432         conf.check_cxx(fragment="""
 433                                 #include <lwext4/ext4.h>\n
 434                                 int main() { ext4_mount("ext4_fs", "/mp/", false); }\n
 435                                 """,
 436                                 msg='Checking for lwext4 library',
 437                                 libpath='/usr/local/lib',
 438                                 lib=['lwext4', 'blockdev'],
 439                                 uselib_store='LWEXT4')
 440
 441     if conf.env.TARGET_LINUX and conf.options.enable_disk:
 442         conf.check_cfg(package='polkit-gobject-1', args='--cflags --libs', uselib_store='POLKIT', mandatory=True)
 443
 444     # nanomsg
 445     if conf.options.enable_disk:
 446         if conf.check_cfg(package='nanomsg', args='--cflags --libs', uselib_store='NANOMSG', mandatory=False) is None:
 447             conf.check_cfg(package='libnanomsg', args='--cflags --libs', uselib_store='NANOMSG', mandatory=True)
 448         if conf.env.TARGET_LINUX:
 449             # We link with nanomsg statically on Centos 8 so we need to link this as well
 450             conf.env.LIB_NANOMSG.append('anl')
 451
 452     # FFmpeg
 453     if conf.options.static_ffmpeg:
 454         names = ['avformat', 'avfilter', 'avcodec', 'avutil', 'swscale', 'postproc', 'swresample']
 455         for name in names:
 456             static = subprocess.Popen(shlex.split('pkg-config --static --libs lib%s' % name), stdout=subprocess.PIPE).communicate()[0].decode('utf-8')
 457             libs = []
 458             stlibs = []
 459             include = []
 460             libpath = []
 461             for s in static.split():
 462                 if s.startswith('-L'):
 463                     libpath.append(s[2:])
 464                 elif s.startswith('-I'):
 465                     include.append(s[2:])
 466                 elif s.startswith('-l'):
 467                     if s[2:] not in names:
 468                         libs.append(s[2:])
 469                     else:
 470                         stlibs.append(s[2:])
 471
 472             conf.env['LIB_%s' % name.upper()] = libs
 473             conf.env['STLIB_%s' % name.upper()] = stlibs
 474             conf.env['INCLUDES_%s' % name.upper()] = include
 475             conf.env['LIBPATH_%s' % name.upper()] = libpath
 476     else:
 477         conf.check_cfg(package='libavformat', args='--cflags --libs', uselib_store='AVFORMAT', mandatory=True)
 478         conf.check_cfg(package='libavfilter', args='--cflags --libs', uselib_store='AVFILTER', mandatory=True)
 479         conf.check_cfg(package='libavcodec', args='--cflags --libs', uselib_store='AVCODEC', mandatory=True)
 480         conf.check_cfg(package='libavutil', args='--cflags --libs', uselib_store='AVUTIL', mandatory=True)
 481         conf.check_cfg(package='libswscale', args='--cflags --libs', uselib_store='SWSCALE', mandatory=True)
 482         conf.check_cfg(package='libpostproc', args='--cflags --libs', uselib_store='POSTPROC', mandatory=True)
 483         conf.check_cfg(package='libswresample', args='--cflags --libs', uselib_store='SWRESAMPLE', mandatory=True)
 484
 485     # Check to see if we have our version of FFmpeg that allows us to get at EBUR128 results
 486     conf.check_cxx(fragment="""
 487                             extern "C" {\n
 488                             #include <libavfilter/f_ebur128.h>\n
 489                             }\n
 490                             int main () { av_ebur128_get_true_peaks (0); }\n
 491                             """,
 492                    msg='Checking for EBUR128-patched FFmpeg',
 493                    uselib='AVCODEC AVFILTER AVUTIL SWRESAMPLE',
 494                    define_name='DCPOMATIC_HAVE_EBUR128_PATCHED_FFMPEG',
 495                    mandatory=False)
 496
 497     # Check to see if we have our AVSubtitleRect has a pict member
 498     # Older versions (e.g. that shipped with Ubuntu 16.04) do
 499     conf.check_cxx(fragment="""
 500                             extern "C" {\n
 501                             #include <libavcodec/avcodec.h>\n
 502                             }\n
 503                             int main () { AVSubtitleRect r; r.pict; }\n
 504                             """,
 505                    msg='Checking for AVSubtitleRect::pict',
 506                    cxxflags='-Wno-unused-result -Wno-unused-value -Wdeprecated-declarations -Werror',
 507                    uselib='AVCODEC',
 508                    define_name='DCPOMATIC_HAVE_AVSUBTITLERECT_PICT',
 509                    mandatory=False)
 510
 511     # Check to see if we have our AVComponentDescriptor has a depth_minus1 member
 512     # Older versions (e.g. that shipped with Ubuntu 16.04) do
 513     conf.check_cxx(fragment="""
 514                             extern "C" {\n
 515                             #include <libavutil/pixdesc.h>\n
 516                             }\n
 517                             int main () { AVComponentDescriptor d; d.depth_minus1; }\n
 518                             """,
 519                    msg='Checking for AVComponentDescriptor::depth_minus1',
 520                    cxxflags='-Wno-unused-result -Wno-unused-value -Wdeprecated-declarations -Werror',
 521                    uselib='AVUTIL',
 522                    define_name='DCPOMATIC_HAVE_AVCOMPONENTDESCRIPTOR_DEPTH_MINUS1',
 523                    mandatory=False)
 524
 525     # See if we have av_register_all and avfilter_register_all
 526     conf.check_cxx(fragment="""
 527                             extern "C" {\n
 528                             #include <libavformat/avformat.h>\n
 529                             #include <libavfilter/avfilter.h>\n
 530                             }\n
 531                             int main () { av_register_all(); avfilter_register_all(); }\n
 532                             """,
 533                    msg='Checking for av_register_all and avfilter_register_all',
 534                    uselib='AVFORMAT AVFILTER',
 535                    define_name='DCPOMATIC_HAVE_AVREGISTER',
 536                    mandatory=False)
 537
 538     # Hack: the previous two check_cxx calls end up copying their (necessary) cxxflags
 539     # to these variables.  We don't want to use these for the actual build, so clean them out.
 540     conf.env['CXXFLAGS_AVCODEC'] = []
 541     conf.env['CXXFLAGS_AVUTIL'] = []
 542
 543     if conf.env.TARGET_LINUX:
 544         conf.env.LIB_X11 = ['X11']
 545
 546     # We support older boosts on Linux so we can use the distribution-provided package
 547     # on Centos 7, but it's good if we can use 1.61 for boost::dll::program_location()
 548     boost_version = ('1.45', '104500') if conf.env.TARGET_LINUX else ('1.61', '106800')
 549
 550     # Boost
 551     if conf.options.static_boost:
 552         conf.env.STLIB_BOOST_THREAD = ['boost_thread']
 553         conf.env.STLIB_BOOST_FILESYSTEM = ['boost_filesystem%s' % boost_lib_suffix]
 554         conf.env.STLIB_BOOST_DATETIME = ['boost_date_time%s' % boost_lib_suffix, 'boost_system%s' % boost_lib_suffix]
 555         conf.env.STLIB_BOOST_SIGNALS2 = ['boost_signals2']
 556         conf.env.STLIB_BOOST_SYSTEM = ['boost_system']
 557         conf.env.STLIB_BOOST_REGEX = ['boost_regex']
 558     else:
 559         conf.check_cxx(fragment="""
 560                             #include <boost/version.hpp>\n
 561                             #if BOOST_VERSION < %s\n
 562                             #error boost too old\n
 563                             #endif\n
 564                             int main(void) { return 0; }\n
 565                             """ % boost_version[1],
 566                        mandatory=True,
 567                        msg='Checking for boost library >= %s' % boost_version[0],
 568                        okmsg='yes',
 569                        errmsg='too old\nPlease install boost version %s or higher.' % boost_version[0])
 570
 571         conf.check_cxx(fragment="""
 572                             #include <boost/thread.hpp>\n
 573                             int main() { boost::thread t; }\n
 574                             """,
 575                        msg='Checking for boost threading library',
 576                        libpath='/usr/local/lib',
 577                        lib=[boost_thread, 'boost_system%s' % boost_lib_suffix],
 578                        uselib_store='BOOST_THREAD')
 579
 580         conf.check_cxx(fragment="""
 581                             #include <boost/filesystem.hpp>\n
 582                             int main() { boost::filesystem::copy_file ("a", "b"); }\n
 583                             """,
 584                        msg='Checking for boost filesystem library',
 585                        libpath='/usr/local/lib',
 586                        lib=['boost_filesystem%s' % boost_lib_suffix, 'boost_system%s' % boost_lib_suffix],
 587                        uselib_store='BOOST_FILESYSTEM')
 588
 589         conf.check_cxx(fragment="""
 590                             #include <boost/date_time.hpp>\n
 591                             int main() { boost::gregorian::day_clock::local_day(); }\n
 592                             """,
 593                        msg='Checking for boost datetime library',
 594                        libpath='/usr/local/lib',
 595                        lib=['boost_date_time%s' % boost_lib_suffix, 'boost_system%s' % boost_lib_suffix],
 596                        uselib_store='BOOST_DATETIME')
 597
 598         conf.check_cxx(fragment="""
 599                             #include <boost/signals2.hpp>\n
 600                             int main() { boost::signals2::signal<void (int)> x; }\n
 601                             """,
 602                        msg='Checking for boost signals2 library',
 603                        uselib_store='BOOST_SIGNALS2')
 604
 605         conf.check_cxx(fragment="""
 606                             #include <boost/regex.hpp>\n
 607                             int main() { boost::regex re ("foo"); }\n
 608                             """,
 609                        msg='Checking for boost regex library',
 610                        lib=['boost_regex%s' % boost_lib_suffix],
 611                        uselib_store='BOOST_REGEX')
 612
 613         # Really just checking for the header here (there's no associated library) but the test
 614         # program has to link with boost_system so I'm doing it this way.
 615         if conf.options.enable_disk:
 616             deps = ['boost_system%s' % boost_lib_suffix]
 617             if conf.env.TARGET_WINDOWS_64 or conf.env.TARGET_WINDOWS_32:
 618                 deps.append('ws2_32')
 619                 deps.append('boost_filesystem%s' % boost_lib_suffix)
 620             conf.check_cxx(fragment="""
 621                                 #include <boost/process.hpp>\n
 622                                 int main() { new boost::process::child("foo"); }\n
 623                                 """,
 624                            cxxflags='-Wno-unused-parameter',
 625                            msg='Checking for boost process library',
 626                            lib=deps,
 627                            uselib_store='BOOST_PROCESS')
 628
 629     # Other stuff
 630
 631     conf.find_program('msgfmt', var='MSGFMT')
 632     conf.check(header_name='valgrind/memcheck.h', mandatory=False)
 633
 634     datadir = conf.env.DATADIR
 635     if not datadir:
 636         datadir = os.path.join(conf.env.PREFIX, 'share')
 637
 638     conf.define('LOCALEDIR', os.path.join(datadir, 'locale'))
 639     conf.define('DATADIR', datadir)
 640
 641     conf.recurse('src')
 642     if not conf.env.DISABLE_TESTS:
 643         conf.recurse('test')
 644
 645     Logs.pprint('YELLOW', '')
 646     if conf.env.TARGET_WINDOWS_64 or conf.env.TARGET_WINDOWS_32:
 647         Logs.pprint('YELLOW', '\t' + 'Target'.ljust(25) + ': Windows')
 648     elif conf.env.TARGET_LINUX:
 649         Logs.pprint('YELLOW', '\t' + 'Target'.ljust(25) + ': Linux')
 650     elif conf.env.TARGET_OSX:
 651         Logs.pprint('YELLOW', '\t' + 'Target'.ljust(25) + ': macOS')
 652
 653     def report(name, variable):
 654         linkage = ''
 655         if variable:
 656             linkage = 'static'
 657         else:
 658             linkage = 'dynamic'
 659         Logs.pprint('YELLOW', '\t%s: %s' % (name.ljust(25), linkage))
 660
 661     report('DCP-o-matic libraries', conf.options.static_dcpomatic)
 662     report('Boost', conf.options.static_boost)
 663     report('wxWidgets', conf.options.static_wxwidgets)
 664     report('FFmpeg', conf.options.static_ffmpeg)
 665     report('libxml++', conf.options.static_xmlpp)
 666     report('xmlsec', conf.options.static_xmlsec)
 667     report('libssh', conf.options.static_ssh)
 668     report('libcxml', conf.options.static_cxml)
 669     report('libdcp', conf.options.static_dcp)
 670     report('libcurl', conf.options.static_curl)
 671
 672     Logs.pprint('YELLOW', '')
 673
 674 def build(bld):
 675     create_version_cc(VERSION, bld.env.CXXFLAGS)
 676
 677     # waf can't find these dependencies by itself because they are only included if DCPOMATIC_GROK is defined,
 678     # and I can't find a way to pass that to waf's dependency scanner
 679     if bld.env.ENABLE_GROK:
 680         for dep in (
 681                 'src/lib/j2k_encoder.cc',
 682                 'src/tools/dcpomatic.cc',
 683                 'src/tools/dcpomatic_server.cc',
 684                 'src/tools/dcpomatic_server_cli.cc',
 685                 'src/tools/dcpomatic_batch.cc'
 686         ):
 687             bld.add_manual_dependency(bld.path.find_node(dep), bld.path.find_node('src/lib/grok/context.h'))
 688             bld.add_manual_dependency(bld.path.find_node(dep), bld.path.find_node('src/lib/grok/messenger.h'))
 689
 690         bld.add_manual_dependency(bld.path.find_node('src/wx/full_config_dialog.cc'), bld.path.find_node('src/wx/grok/gpu_config_panel.h'))
 691
 692     bld.recurse('src')
 693     bld.recurse('graphics')
 694
 695     if not bld.env.DISABLE_TESTS:
 696         bld.recurse('test')
 697     if bld.env.TARGET_WINDOWS_64 or bld.env.TARGET_WINDOWS_32:
 698         bld.recurse('platform/windows')
 699     if bld.env.TARGET_LINUX:
 700         bld.recurse('platform/linux')
 701     if bld.env.TARGET_OSX:
 702         bld.recurse('platform/osx')
 703
 704     if not bld.env.TARGET_WINDOWS_64 and not bld.env.TARGET_WINDOWS_32:
 705         bld.install_files('${PREFIX}/share/dcpomatic2', 'fonts/LiberationSans-Regular.ttf')
 706         bld.install_files('${PREFIX}/share/dcpomatic2', 'fonts/LiberationSans-Italic.ttf')
 707         bld.install_files('${PREFIX}/share/dcpomatic2', 'fonts/LiberationSans-Bold.ttf')
 708
 709     bld.add_post_fun(post)
 710
 711 def git_revision():
 712     if not os.path.exists('.git'):
 713         return None
 714
 715     cmd = "LANG= git log --abbrev HEAD^..HEAD ."
 716     output = subprocess.Popen(cmd, shell=True, stderr=subprocess.STDOUT, stdout=subprocess.PIPE).communicate()[0].splitlines()
 717     if len(output) == 0:
 718         return None
 719     o = output[0].decode('utf-8')
 720     return o.replace("commit ", "")[0:10]
 721
 722 def dist(ctx):
 723     r = git_revision()
 724     if r is not None:
 725         f = open('.git_revision', 'w')
 726         print(r, file=f)
 727         f.close()
 728
 729     ctx.excl = """
 730                TODO core *~ src/wx/*~ src/lib/*~ builds/*~ doc/manual/*~ src/tools/*~ *.pyc .waf* build .git
 731                deps alignment hacks sync *.tar.bz2 *.exe .lock* *build-windows doc/manual/pdf doc/manual/html
 732                GRSYMS GRTAGS GSYMS GTAGS compile_commands.json
 733                """
 734
 735 def create_version_cc(version, cxx_flags):
 736     commit = git_revision()
 737     if commit is None and os.path.exists('.git_revision'):
 738         f = open('.git_revision', 'r')
 739         commit = f.readline().strip()
 740
 741     if commit is None:
 742         commit = 'release'
 743
 744     try:
 745         text =  '#include "version.h"\n'
 746         text += 'char const * dcpomatic_git_commit = \"%s\";\n' % commit
 747         text += 'char const * dcpomatic_version = \"%s\";\n' % version
 748
 749         t = ''
 750         for f in cxx_flags:
 751             f = f.replace('"', '\\"')
 752             t += f + ' '
 753         text += 'char const * dcpomatic_cxx_flags = \"%s\";\n' % t[:-1]
 754
 755         print('Writing version information to src/lib/version.cc')
 756         o = open('src/lib/version.cc', 'w')
 757         o.write(text)
 758         o.close()
 759     except IOError:
 760         print('Could not open src/lib/version.cc for writing\n')
 761         sys.exit(-1)
 762
 763 def post(ctx):
 764     if ctx.cmd == 'install' and ctx.env.TARGET_LINUX:
 765         ctx.exec_command('/sbin/ldconfig')
 766         exe = os.path.join(ctx.env['INSTALL_PREFIX'], 'bin/dcpomatic2_disk_writer')
 767         if os.path.exists(exe):
 768             os.system('setcap "cap_dac_override+ep cap_sys_admin+ep" %s' % exe)
 769
 770 def pot(bld):
 771     bld.recurse('src')
 772
 773 def pot_merge(bld):
 774     bld.recurse('src')
 775
 776 def supporters(bld):
 777     r = os.system('curl -m 2 -s -f https://dcpomatic.com/supporters.cc > src/wx/supporters.cc')
 778     if (r >> 8) == 0:
 779         r = os.system('curl -s -f https://dcpomatic.com/subscribers.cc > src/wx/subscribers.cc')
 780     if (r >> 8) != 0:
 781         raise Exception("Could not download supporters lists (%d)" % (r >> 8))
 782
 783 def tags(bld):
 784     os.system('etags src/lib/*.cc src/lib/*.h src/wx/*.cc src/wx/*.h src/tools/*.cc')
 785
 786 def cppcheck(bld):
 787     os.system('cppcheck --enable=all --quiet .')