Rationalise compiler warning setup.
[dcpomatic.git] / wscript
1 #
2 #    Copyright (C) 2012-2019 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('--install-prefix',                         default=None,  help='prefix of where DCP-o-matic will be installed')
61     opt.add_option('--target-windows',    action='store_true', default=False, help='set up to do a cross-compile to make a Windows package')
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('--force-cpp11',       action='store_true', default=False, help='force use of C++11')
75     opt.add_option('--variant',           help='build variant (swaroop-studio, swaroop-theater)', choices=['swaroop-studio', 'swaroop-theater'])
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
80 def configure(conf):
81     conf.load('compiler_cxx')
82     conf.load('clang_compilation_database', tooldir=['waf-tools'])
83     if conf.options.target_windows:
84         conf.load('winres')
85
86     # Save conf.options that we need elsewhere in conf.env
87     conf.env.DISABLE_GUI = conf.options.disable_gui
88     conf.env.DISABLE_TESTS = conf.options.disable_tests
89     conf.env.TARGET_WINDOWS = conf.options.target_windows
90     conf.env.TARGET_OSX = sys.platform == 'darwin'
91     conf.env.TARGET_LINUX = not conf.env.TARGET_WINDOWS and not conf.env.TARGET_OSX
92     conf.env.VERSION = VERSION
93     conf.env.DEBUG = conf.options.enable_debug
94     conf.env.STATIC_DCPOMATIC = conf.options.static_dcpomatic
95     conf.env.ENABLE_DISK = conf.options.enable_disk
96     if conf.options.install_prefix is None:
97         conf.env.INSTALL_PREFIX = conf.env.PREFIX
98     else:
99         conf.env.INSTALL_PREFIX = conf.options.install_prefix
100
101     # Common CXXFLAGS
102     conf.env.append_value('CXXFLAGS', ['-D__STDC_CONSTANT_MACROS',
103                                        '-D__STDC_LIMIT_MACROS',
104                                        '-D__STDC_FORMAT_MACROS',
105                                        '-msse',
106                                        '-fno-strict-aliasing',
107                                        '-Wall',
108                                        '-Wextra',
109                                        '-Wwrite-strings',
110                                        # I tried and failed to ignore these with _Pragma
111                                        '-Wno-cast-function-type',
112                                        '-Wno-ignored-qualifiers',
113                                        '-D_FILE_OFFSET_BITS=64'])
114
115     if conf.options.force_cpp11:
116         conf.env.append_value('CXXFLAGS', ['-std=c++11', '-DBOOST_NO_CXX11_SCOPED_ENUMS'])
117
118     if conf.options.warnings_are_errors:
119         conf.env.append_value('CXXFLAGS', '-Werror')
120
121     if conf.env['CXX_NAME'] == 'gcc':
122         gcc = conf.env['CC_VERSION']
123         if int(gcc[0]) >= 4 and int(gcc[1]) > 1:
124             conf.env.append_value('CXXFLAGS', ['-Wno-unused-result'])
125         if int(gcc[0]) >= 9:
126             conf.env.append_value('CXXFLAGS', ['-Wno-deprecated-copy'])
127         have_c11 = int(gcc[0]) >= 4 and int(gcc[1]) >= 8 and int(gcc[2]) >= 1
128     else:
129         have_c11 = False
130
131     if conf.options.enable_debug:
132         conf.env.append_value('CXXFLAGS', ['-g', '-DDCPOMATIC_DEBUG', '-fno-omit-frame-pointer'])
133     else:
134         conf.env.append_value('CXXFLAGS', '-O2')
135
136     if conf.options.variant is not None:
137         conf.env.VARIANT = conf.options.variant
138         if conf.options.variant.startswith('swaroop-'):
139             conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_VARIANT_SWAROOP')
140
141     if conf.options.enable_disk:
142         conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_DISK')
143
144     if conf.options.use_lld:
145         try:
146             conf.find_program('ld.lld')
147             conf.env.append_value('LINKFLAGS', '-fuse-ld=lld')
148         except conf.errors.ConfigurationError:
149             pass
150
151     #
152     # Windows/Linux/OS X specific
153     #
154
155     # Windows
156     if conf.env.TARGET_WINDOWS:
157         conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_WINDOWS')
158         conf.env.append_value('CXXFLAGS', '-DWIN32_LEAN_AND_MEAN')
159         conf.env.append_value('CXXFLAGS', '-DBOOST_USE_WINDOWS_H')
160         conf.env.append_value('CXXFLAGS', '-DUNICODE')
161         conf.env.append_value('CXXFLAGS', '-DBOOST_THREAD_PROVIDES_GENERIC_SHARED_MUTEX_ON_WIN')
162         conf.env.append_value('CXXFLAGS', '-mfpmath=sse')
163         conf.env.append_value('CXXFLAGS', '-std=c++11')
164         conf.env.append_value('CXXFLAGS', '-Wcast-align')
165         wxrc = os.popen('wx-config --rescomp').read().split()[1:]
166         conf.env.append_value('WINRCFLAGS', wxrc)
167         if conf.options.enable_debug:
168             conf.env.append_value('CXXFLAGS', ['-mconsole'])
169             conf.env.append_value('LINKFLAGS', ['-mconsole'])
170         conf.check(lib='ws2_32', uselib_store='WINSOCK2', msg="Checking for library winsock2")
171         conf.check(lib='dbghelp', uselib_store='DBGHELP', msg="Checking for library dbghelp")
172         conf.check(lib='shlwapi', uselib_store='SHLWAPI', msg="Checking for library shlwapi")
173         conf.check(lib='mswsock', uselib_store='MSWSOCK', msg="Checking for library mswsock")
174         conf.check(lib='ole32', uselib_store='OLE32', msg="Checking for library ole32")
175         conf.check(lib='dsound', uselib_store='DSOUND', msg="Checking for library dsound")
176         conf.check(lib='winmm', uselib_store='WINMM', msg="Checking for library winmm")
177         conf.check(lib='ksuser', uselib_store='KSUSER', msg="Checking for library ksuser")
178         conf.check(lib='setupapi', uselib_store='SETUPAPI', msg="Checking for library setupapi")
179         boost_lib_suffix = '-mt'
180         boost_thread = 'boost_thread-mt'
181         conf.check_cxx(fragment="""
182                                #include <boost/locale.hpp>\n
183                                int main() { std::locale::global (boost::locale::generator().generate ("")); }\n
184                                """,
185                                msg='Checking for boost locale library',
186                                libpath='/usr/local/lib',
187                                lib=['boost_locale%s' % boost_lib_suffix, 'boost_system%s' % boost_lib_suffix],
188                                uselib_store='BOOST_LOCALE')
189
190     # POSIX
191     if conf.env.TARGET_LINUX or conf.env.TARGET_OSX:
192         conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_POSIX')
193         boost_lib_suffix = ''
194         boost_thread = 'boost_thread'
195         conf.env.append_value('LINKFLAGS', '-pthread')
196
197     # Linux
198     if conf.env.TARGET_LINUX:
199         conf.env.append_value('CXXFLAGS', '-mfpmath=sse')
200         conf.env.append_value('CXXFLAGS', '-DLINUX_LOCALE_PREFIX="%s/share/locale"' % conf.env['INSTALL_PREFIX'])
201         conf.env.append_value('CXXFLAGS', '-DLINUX_SHARE_PREFIX="%s/share/dcpomatic2"' % conf.env['INSTALL_PREFIX'])
202         conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_LINUX')
203         conf.env.append_value('CXXFLAGS', ['-Wlogical-op', '-Wcast-align'])
204         conf.check(lib='dl', uselib_store='DL', msg='Checking for library dl')
205
206     # OSX
207     if conf.env.TARGET_OSX:
208         conf.env.append_value('CXXFLAGS', ['-DDCPOMATIC_OSX', '-Wno-unused-function', '-Wno-unused-parameter', '-Wno-unused-local-typedef', '-Wno-potentially-evaluated-expression'])
209         conf.env.append_value('LINKFLAGS', '-headerpad_max_install_names')
210     else:
211         # Avoid the endless warnings about _t uninitialized in optional<>
212         conf.env.append_value('CXXFLAGS', '-Wno-maybe-uninitialized')
213
214     #
215     # Dependencies.
216     #
217
218     # It should be possible to use check_cfg for both dynamic and static linking, but
219     # e.g. pkg-config --libs --static foo returns some libraries that should be statically
220     # linked and others that should be dynamic.  This doesn't work too well with waf
221     # as it wants them separate.
222
223     # libcurl
224     if conf.options.static_curl:
225         conf.env.STLIB_CURL = ['curl']
226         conf.env.LIB_CURL = ['ssh2', 'idn']
227     else:
228         conf.check_cfg(package='libcurl', args='--cflags --libs', atleast_version='7.19.1', uselib_store='CURL', mandatory=True)
229
230     # libicu
231     if conf.check_cfg(package='icu-i18n', args='--cflags --libs', uselib_store='ICU', mandatory=False) is None:
232         if conf.check_cfg(package='icu', args='--cflags --libs', uselib_store='ICU', mandatory=False) is None:
233             conf.check_cxx(fragment="""
234                             #include <unicode/ucsdet.h>
235                             int main(void) {
236                                 UErrorCode status = U_ZERO_ERROR;
237                                 UCharsetDetector* detector = ucsdet_open (&status);
238                                 return 0; }\n
239                             """,
240                        mandatory=True,
241                        msg='Checking for libicu',
242                        okmsg='yes',
243                        libpath=['/usr/local/lib', '/usr/lib', '/usr/lib/x86_64-linux-gnu'],
244                        lib=['icuio', 'icui18n', 'icudata', 'icuuc'],
245                        uselib_store='ICU')
246
247     # libsamplerate
248     conf.check_cfg(package='samplerate', args='--cflags --libs', uselib_store='SAMPLERATE', mandatory=True)
249
250     # glib
251     conf.check_cfg(package='glib-2.0', args='--cflags --libs', uselib_store='GLIB', mandatory=True)
252
253     # libzip
254     conf.check_cfg(package='libzip', args='--cflags --libs', uselib_store='ZIP', mandatory=True)
255     conf.check_cxx(fragment="""
256                             #include <zip.h>
257                             int main() { zip_source_t* foo; }
258                             """,
259                    mandatory=False,
260                    msg="Checking for zip_source_t",
261                    uselib="ZIP",
262                    define_name='DCPOMATIC_HAVE_ZIP_SOURCE_T'
263                    )
264
265     # fontconfig
266     conf.check_cfg(package='fontconfig', args='--cflags --libs', uselib_store='FONTCONFIG', mandatory=True)
267
268     # pangomm
269     conf.check_cfg(package='pangomm-1.4', args='--cflags --libs', uselib_store='PANGOMM', mandatory=True)
270
271     # cairomm
272     conf.check_cfg(package='cairomm-1.0', args='--cflags --libs', uselib_store='CAIROMM', mandatory=True)
273
274     # leqm_nrt
275     conf.check_cfg(package='leqm_nrt', args='--cflags --libs', uselib_store='LEQM_NRT', mandatory=True)
276
277     test_cxxflags = ''
278     if have_c11:
279         test_cxxflags = '-std=c++11'
280
281     # See if we have Cairo::ImageSurface::format_stride_for_width; Centos 5 does not
282     conf.check_cxx(fragment="""
283                             #include <cairomm/cairomm.h>
284                             int main(void) {
285                                 Cairo::ImageSurface::format_stride_for_width (Cairo::FORMAT_ARGB32, 1024);\n
286                                 return 0; }\n
287                             """,
288                        mandatory=False,
289                        cxxflags=test_cxxflags,
290                        msg='Checking for format_stride_for_width',
291                        okmsg='yes',
292                        includes=conf.env['INCLUDES_CAIROMM'],
293                        uselib='CAIROMM',
294                        define_name='DCPOMATIC_HAVE_FORMAT_STRIDE_FOR_WIDTH')
295
296     # See if we have Pango::Layout::show_in_cairo_context; Centos 5 does not
297     conf.check_cxx(fragment="""
298                             #include <pangomm.h>
299                             int main(void) {
300                                 Cairo::RefPtr<Cairo::Context> context;
301                                 Glib::RefPtr<Pango::Layout> layout;
302                                 layout->show_in_cairo_context (context);
303                                 return 0; }\n
304                             """,
305                        mandatory=False,
306                        msg='Checking for show_in_cairo_context',
307                        cxxflags=test_cxxflags,
308                        okmsg='yes',
309                        includes=conf.env['INCLUDES_PANGOMM'],
310                        uselib='PANGOMM',
311                        define_name='DCPOMATIC_HAVE_SHOW_IN_CAIRO_CONTEXT')
312
313
314     # libcxml
315     if conf.options.static_cxml:
316         conf.check_cfg(package='libcxml', atleast_version='0.16.0', args='--cflags', uselib_store='CXML', mandatory=True)
317         conf.env.STLIB_CXML = ['cxml']
318     else:
319         conf.check_cfg(package='libcxml', atleast_version='0.16.0', args='--cflags --libs', uselib_store='CXML', mandatory=True)
320
321     # libssh
322     if conf.options.static_ssh:
323         conf.env.STLIB_SSH = ['ssh']
324         if conf.options.workaround_gssapi:
325             conf.env.LIB_SSH = ['gssapi_krb5']
326     else:
327         conf.check_cc(fragment="""
328                                #include <libssh/libssh.h>\n
329                                int main () {\n
330                                ssh_new ();\n
331                                return 0;\n
332                                }
333                                """,
334                       msg='Checking for library libssh',
335                       mandatory=True,
336                       lib='ssh',
337                       uselib_store='SSH')
338
339     # libdcp
340     if conf.options.static_dcp:
341         conf.check_cfg(package='libdcp-1.0', atleast_version='1.6.7', args='--cflags', uselib_store='DCP', mandatory=True)
342         conf.env.DEFINES_DCP = [f.replace('\\', '') for f in conf.env.DEFINES_DCP]
343         conf.env.STLIB_DCP = ['dcp-1.0', 'asdcp-carl', 'kumu-carl', 'openjp2']
344         conf.env.LIB_DCP = ['glibmm-2.4', 'ssl', 'crypto', 'bz2', 'xslt', 'xerces-c']
345     else:
346         conf.check_cfg(package='libdcp-1.0', atleast_version='1.6.7', args='--cflags --libs', uselib_store='DCP', mandatory=True)
347         conf.env.DEFINES_DCP = [f.replace('\\', '') for f in conf.env.DEFINES_DCP]
348
349     # libsub
350     if conf.options.static_sub:
351         conf.check_cfg(package='libsub-1.0', atleast_version='1.4.7', args='--cflags', uselib_store='SUB', mandatory=True)
352         conf.env.DEFINES_SUB = [f.replace('\\', '') for f in conf.env.DEFINES_SUB]
353         conf.env.STLIB_SUB = ['sub-1.0']
354     else:
355         conf.check_cfg(package='libsub-1.0', atleast_version='1.4.7', args='--cflags --libs', uselib_store='SUB', mandatory=True)
356         conf.env.DEFINES_SUB = [f.replace('\\', '') for f in conf.env.DEFINES_SUB]
357
358     # libxml++
359     if conf.options.static_xmlpp:
360         conf.env.STLIB_XMLPP = ['xml++-2.6']
361         conf.env.LIB_XMLPP = ['xml2']
362     else:
363         conf.check_cfg(package='libxml++-2.6', args='--cflags --libs', uselib_store='XMLPP', mandatory=True)
364
365     # libxmlsec
366     if conf.options.static_xmlsec:
367         if conf.check_cxx(lib='xmlsec1-openssl', mandatory=False):
368             conf.env.STLIB_XMLSEC = ['xmlsec1-openssl', 'xmlsec1']
369         else:
370             conf.env.STLIB_XMLSEC = ['xmlsec1']
371     else:
372         conf.env.LIB_XMLSEC = ['xmlsec1-openssl', 'xmlsec1']
373
374     # nettle
375     conf.check_cfg(package="nettle", args='--cflags --libs', uselib_store='NETTLE', mandatory=True)
376
377     # libpng
378     conf.check_cfg(package='libpng', args='--cflags --libs', uselib_store='PNG', mandatory=True)
379
380     # lwext4
381     if conf.options.enable_disk:
382         conf.check_cxx(fragment="""
383                                 #include <lwext4/ext4.h>\n
384                                 int main() { ext4_mount("ext4_fs", "/mp/", false); }\n
385                                 """,
386                                 msg='Checking for lwext4 library',
387                                 libpath='/usr/local/lib',
388                                 lib=['lwext4', 'blockdev'],
389                                 uselib_store='LWEXT4')
390
391     if conf.env.TARGET_LINUX and conf.options.enable_disk:
392         conf.check_cfg(package='polkit-gobject-1', args='--cflags --libs', uselib_store='POLKIT', mandatory=True)
393
394     # nanomsg
395     if conf.options.enable_disk:
396         if conf.check_cfg(package='nanomsg', args='--cflags --libs', uselib_store='NANOMSG', mandatory=False) is None:
397             conf.check_cfg(package='libnanomsg', args='--cflags --libs', uselib_store='NANOMSG', mandatory=True)
398         if conf.env.TARGET_LINUX:
399             # We link with nanomsg statically on Centos 8 so we need to link this as well
400             conf.env.LIB_NANOMSG.append('anl')
401
402     # FFmpeg
403     if conf.options.static_ffmpeg:
404         names = ['avformat', 'avfilter', 'avcodec', 'avutil', 'swscale', 'postproc', 'swresample']
405         for name in names:
406             static = subprocess.Popen(shlex.split('pkg-config --static --libs lib%s' % name), stdout=subprocess.PIPE).communicate()[0].decode('utf-8')
407             libs = []
408             stlibs = []
409             include = []
410             libpath = []
411             for s in static.split():
412                 if s.startswith('-L'):
413                     libpath.append(s[2:])
414                 elif s.startswith('-I'):
415                     include.append(s[2:])
416                 elif s.startswith('-l'):
417                     if s[2:] not in names:
418                         libs.append(s[2:])
419                     else:
420                         stlibs.append(s[2:])
421
422             conf.env['LIB_%s' % name.upper()] = libs
423             conf.env['STLIB_%s' % name.upper()] = stlibs
424             conf.env['INCLUDES_%s' % name.upper()] = include
425             conf.env['LIBPATH_%s' % name.upper()] = libpath
426     else:
427         conf.check_cfg(package='libavformat', args='--cflags --libs', uselib_store='AVFORMAT', mandatory=True)
428         conf.check_cfg(package='libavfilter', args='--cflags --libs', uselib_store='AVFILTER', mandatory=True)
429         conf.check_cfg(package='libavcodec', args='--cflags --libs', uselib_store='AVCODEC', mandatory=True)
430         conf.check_cfg(package='libavutil', args='--cflags --libs', uselib_store='AVUTIL', mandatory=True)
431         conf.check_cfg(package='libswscale', args='--cflags --libs', uselib_store='SWSCALE', mandatory=True)
432         conf.check_cfg(package='libpostproc', args='--cflags --libs', uselib_store='POSTPROC', mandatory=True)
433         conf.check_cfg(package='libswresample', args='--cflags --libs', uselib_store='SWRESAMPLE', mandatory=True)
434
435     # Check to see if we have our version of FFmpeg that allows us to get at EBUR128 results
436     conf.check_cxx(fragment="""
437                             extern "C" {\n
438                             #include <libavfilter/f_ebur128.h>\n
439                             }\n
440                             int main () { av_ebur128_get_true_peaks (0); }\n
441                             """,
442                    msg='Checking for EBUR128-patched FFmpeg',
443                    uselib='AVCODEC AVFILTER',
444                    define_name='DCPOMATIC_HAVE_EBUR128_PATCHED_FFMPEG',
445                    mandatory=False)
446
447     # Check to see if we have our AVSubtitleRect has a pict member
448     # Older versions (e.g. that shipped with Ubuntu 16.04) do
449     conf.check_cxx(fragment="""
450                             extern "C" {\n
451                             #include <libavcodec/avcodec.h>\n
452                             }\n
453                             int main () { AVSubtitleRect r; r.pict; }\n
454                             """,
455                    msg='Checking for AVSubtitleRect::pict',
456                    cxxflags='-Wno-unused-result -Wno-unused-value -Wdeprecated-declarations -Werror',
457                    uselib='AVCODEC',
458                    define_name='DCPOMATIC_HAVE_AVSUBTITLERECT_PICT',
459                    mandatory=False)
460
461     # Check to see if we have our AVComponentDescriptor has a depth_minus1 member
462     # Older versions (e.g. that shipped with Ubuntu 16.04) do
463     conf.check_cxx(fragment="""
464                             extern "C" {\n
465                             #include <libavutil/pixdesc.h>\n
466                             }\n
467                             int main () { AVComponentDescriptor d; d.depth_minus1; }\n
468                             """,
469                    msg='Checking for AVComponentDescriptor::depth_minus1',
470                    cxxflags='-Wno-unused-result -Wno-unused-value -Wdeprecated-declarations -Werror',
471                    uselib='AVUTIL',
472                    define_name='DCPOMATIC_HAVE_AVCOMPONENTDESCRIPTOR_DEPTH_MINUS1',
473                    mandatory=False)
474
475     # Hack: the previous two check_cxx calls end up copying their (necessary) cxxflags
476     # to these variables.  We don't want to use these for the actual build, so clean them out.
477     conf.env['CXXFLAGS_AVCODEC'] = []
478     conf.env['CXXFLAGS_AVUTIL'] = []
479
480     if conf.env.TARGET_LINUX:
481         conf.env.LIB_X11 = ['X11']
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 < 104500\n
495                             #error boost too old\n
496                             #endif\n
497                             int main(void) { return 0; }\n
498                             """,
499                        mandatory=True,
500                        msg='Checking for boost library >= 1.45',
501                        okmsg='yes',
502                        errmsg='too old\nPlease install boost version 1.45 or higher.')
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                            msg='Checking for boost process library',
558                            lib=deps,
559                            uselib_store='BOOST_PROCESS')
560
561     # libxml++ requires glibmm and versions of glibmm 2.45.31 and later
562     # must be built with -std=c++11 as they use c++11
563     # features and c++11 is not (yet) the default in gcc.
564     glibmm_version = conf.cmd_and_log(['pkg-config', '--modversion', 'glibmm-2.4'], output=Context.STDOUT, quiet=Context.BOTH)
565     s = glibmm_version.split('.')
566     v = (int(s[0]) << 16) | (int(s[1]) << 8) | int(s[2])
567     if v >= 0x022D1F:
568         conf.env.append_value('CXXFLAGS', '-std=c++11')
569
570     # Other stuff
571
572     conf.find_program('msgfmt', var='MSGFMT')
573     conf.check(header_name='valgrind/memcheck.h', mandatory=False)
574
575     datadir = conf.env.DATADIR
576     if not datadir:
577         datadir = os.path.join(conf.env.PREFIX, 'share')
578
579     conf.define('LOCALEDIR', os.path.join(datadir, 'locale'))
580     conf.define('DATADIR', datadir)
581
582     conf.recurse('src')
583     if not conf.env.DISABLE_TESTS:
584         conf.recurse('test')
585
586     Logs.pprint('YELLOW', '')
587     if conf.env.TARGET_WINDOWS:
588         Logs.pprint('YELLOW', '\t' + 'Target'.ljust(25) + ': Windows')
589     elif conf.env.TARGET_LINUX:
590         Logs.pprint('YELLOW', '\t' + 'Target'.ljust(25) + ': Linux')
591     elif conf.env.TARGET_OSX:
592         Logs.pprint('YELLOW', '\t' + 'Target'.ljust(25) + ': OS X')
593
594     def report(name, variable):
595         linkage = ''
596         if variable:
597             linkage = 'static'
598         else:
599             linkage = 'dynamic'
600         Logs.pprint('YELLOW', '\t%s: %s' % (name.ljust(25), linkage))
601
602     report('DCP-o-matic libraries', conf.options.static_dcpomatic)
603     report('Boost', conf.options.static_boost)
604     report('wxWidgets', conf.options.static_wxwidgets)
605     report('FFmpeg', conf.options.static_ffmpeg)
606     report('libxml++', conf.options.static_xmlpp)
607     report('xmlsec', conf.options.static_xmlsec)
608     report('libssh', conf.options.static_ssh)
609     report('libcxml', conf.options.static_cxml)
610     report('libdcp', conf.options.static_dcp)
611     report('libcurl', conf.options.static_curl)
612
613     Logs.pprint('YELLOW', '')
614
615 def download_supporters(can_fail):
616     r = os.system('curl -m 2 -s -f https://dcpomatic.com/supporters.cc > src/wx/supporters.cc')
617     if (r >> 8) == 0:
618         r = os.system('curl -s -f https://dcpomatic.com/subscribers.cc > src/wx/subscribers.cc')
619     if (r >> 8) != 0:
620         if can_fail:
621             raise Exception("Could not download supporters lists (%d)" % (r >> 8))
622         else:
623             f = open('src/wx/supporters.cc', 'w')
624             print('supported_by.Add(wxT("Debug build - no supporters lists available"));', file=f)
625             f.close()
626             f = open('src/wx/subscribers.cc', 'w')
627             print('subscribers.Add(wxT("Debug build - no subscribers lists available"));', file=f)
628             f.close()
629
630 def build(bld):
631     create_version_cc(VERSION, bld.env.CXXFLAGS)
632     download_supporters(not bld.env.DEBUG)
633
634     bld.recurse('src')
635     bld.recurse('graphics')
636
637     if not bld.env.DISABLE_TESTS:
638         bld.recurse('test')
639     if bld.env.TARGET_WINDOWS:
640         bld.recurse('platform/windows')
641     if bld.env.TARGET_LINUX:
642         bld.recurse('platform/linux')
643     if bld.env.TARGET_OSX:
644         bld.recurse('platform/osx')
645
646     if not bld.env.TARGET_WINDOWS:
647         bld.install_files('${PREFIX}/share/dcpomatic2', 'fonts/LiberationSans-Regular.ttf')
648         bld.install_files('${PREFIX}/share/dcpomatic2', 'fonts/LiberationSans-Italic.ttf')
649         bld.install_files('${PREFIX}/share/dcpomatic2', 'fonts/LiberationSans-Bold.ttf')
650
651     bld.add_post_fun(post)
652
653 def git_revision():
654     if not os.path.exists('.git'):
655         return None
656
657     cmd = "LANG= git log --abbrev HEAD^..HEAD ."
658     output = subprocess.Popen(cmd, shell=True, stderr=subprocess.STDOUT, stdout=subprocess.PIPE).communicate()[0].splitlines()
659     if len(output) == 0:
660         return None
661     o = output[0].decode('utf-8')
662     return o.replace("commit ", "")[0:10]
663
664 def dist(ctx):
665     r = git_revision()
666     if r is not None:
667         f = open('.git_revision', 'w')
668         print(r, file=f)
669         f.close()
670
671     ctx.excl = """
672                TODO core *~ src/wx/*~ src/lib/*~ builds/*~ doc/manual/*~ src/tools/*~ *.pyc .waf* build .git
673                deps alignment hacks sync *.tar.bz2 *.exe .lock* *build-windows doc/manual/pdf doc/manual/html
674                GRSYMS GRTAGS GSYMS GTAGS compile_commands.json
675                """
676
677 def create_version_cc(version, cxx_flags):
678     commit = git_revision()
679     if commit is None and os.path.exists('.git_revision'):
680         f = open('.git_revision', 'r')
681         commit = f.readline().strip()
682
683     if commit is None:
684         commit = 'release'
685
686     try:
687         text =  '#include "version.h"\n'
688         text += 'char const * dcpomatic_git_commit = \"%s\";\n' % commit
689         text += 'char const * dcpomatic_version = \"%s\";\n' % version
690
691         t = ''
692         for f in cxx_flags:
693             f = f.replace('"', '\\"')
694             t += f + ' '
695         text += 'char const * dcpomatic_cxx_flags = \"%s\";\n' % t[:-1]
696
697         print('Writing version information to src/lib/version.cc')
698         o = open('src/lib/version.cc', 'w')
699         o.write(text)
700         o.close()
701     except IOError:
702         print('Could not open src/lib/version.cc for writing\n')
703         sys.exit(-1)
704
705 def post(ctx):
706     if ctx.cmd == 'install' and ctx.env.TARGET_LINUX:
707         ctx.exec_command('/sbin/ldconfig')
708         # setuid root executables
709         for e in ['dcpomatic2_uuid', 'dcpomatic2_disk_writer']:
710             # I can't find anything which tells me where things have been installed to,
711             # so here's some nasty hacks to guess.
712             debian = os.path.join(ctx.out_dir, '../debian/dcpomatic/usr/bin/%s' % e)
713             prefix = os.path.join(ctx.env['INSTALL_PREFIX'], 'bin/%s' % e)
714             if os.path.exists(debian):
715                 os.chmod(debian, 0o4755)
716             if os.path.exists(prefix):
717                 os.chmod(prefix, 0o4755)
718
719 def pot(bld):
720     bld.recurse('src')
721
722 def pot_merge(bld):
723     bld.recurse('src')
724
725 def tags(bld):
726     os.system('etags src/lib/*.cc src/lib/*.h src/wx/*.cc src/wx/*.h src/tools/*.cc')
727
728 def cppcheck(bld):
729     os.system('cppcheck --enable=all --quiet .')