forked from godotengine/godot
-
Notifications
You must be signed in to change notification settings - Fork 0
/
SConstruct
1050 lines (901 loc) · 43.6 KB
/
SConstruct
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
#!/usr/bin/env python
EnsureSConsVersion(3, 0, 0)
EnsurePythonVersion(3, 6)
# System
import atexit
import glob
import os
import pickle
import sys
import time
from types import ModuleType
from collections import OrderedDict
from importlib.util import spec_from_file_location, module_from_spec
# Explicitly resolve the helper modules, this is done to avoid clash with
# modules of the same name that might be randomly added (e.g. someone adding
# an `editor.py` file at the root of the module creates a clash with the editor
# folder when doing `import editor.template_builder`)
def _helper_module(name, path):
spec = spec_from_file_location(name, path)
module = module_from_spec(spec)
spec.loader.exec_module(module)
sys.modules[name] = module
# Ensure the module's parents are in loaded to avoid loading the wrong parent
# when doing "import foo.bar" while only "foo.bar" as declared as helper module
child_module = module
parent_name = name
while True:
try:
parent_name, child_name = parent_name.rsplit(".", 1)
except ValueError:
break
try:
parent_module = sys.modules[parent_name]
except KeyError:
parent_module = ModuleType(parent_name)
sys.modules[parent_name] = parent_module
setattr(parent_module, child_name, child_module)
_helper_module("gles3_builders", "gles3_builders.py")
_helper_module("glsl_builders", "glsl_builders.py")
_helper_module("methods", "methods.py")
_helper_module("platform_methods", "platform_methods.py")
_helper_module("version", "version.py")
_helper_module("core.core_builders", "core/core_builders.py")
_helper_module("main.main_builders", "main/main_builders.py")
_helper_module("modules.modules_builders", "modules/modules_builders.py")
# Local
import methods
import glsl_builders
import gles3_builders
import scu_builders
from platform_methods import architectures, architecture_aliases, generate_export_icons
if ARGUMENTS.get("target", "editor") == "editor":
_helper_module("editor.editor_builders", "editor/editor_builders.py")
_helper_module("editor.template_builders", "editor/template_builders.py")
# Scan possible build platforms
platform_list = [] # list of platforms
platform_opts = {} # options for each platform
platform_flags = {} # flags for each platform
platform_doc_class_path = {}
platform_exporters = []
platform_apis = []
time_at_start = time.time()
for x in sorted(glob.glob("platform/*")):
if not os.path.isdir(x) or not os.path.exists(x + "/detect.py"):
continue
tmppath = "./" + x
sys.path.insert(0, tmppath)
import detect
# Get doc classes paths (if present)
try:
doc_classes = detect.get_doc_classes()
doc_path = detect.get_doc_path()
for c in doc_classes:
platform_doc_class_path[c] = x.replace("\\", "/") + "/" + doc_path
except Exception:
pass
platform_name = x[9:]
if os.path.exists(x + "/export/export.cpp"):
platform_exporters.append(platform_name)
generate_export_icons(x, platform_name)
if os.path.exists(x + "/api/api.cpp"):
platform_apis.append(platform_name)
if detect.can_build():
x = x.replace("platform/", "") # rest of world
x = x.replace("platform\\", "") # win32
platform_list += [x]
platform_opts[x] = detect.get_opts()
platform_flags[x] = detect.get_flags()
sys.path.remove(tmppath)
sys.modules.pop("detect")
custom_tools = ["default"]
platform_arg = ARGUMENTS.get("platform", ARGUMENTS.get("p", False))
if platform_arg == "android":
custom_tools = ["clang", "clang++", "as", "ar", "link"]
elif platform_arg == "web":
# Use generic POSIX build toolchain for Emscripten.
custom_tools = ["cc", "c++", "ar", "link", "textfile", "zip"]
elif os.name == "nt" and methods.get_cmdline_bool("use_mingw", False):
custom_tools = ["mingw"]
# We let SCons build its default ENV as it includes OS-specific things which we don't
# want to have to pull in manually.
# Then we prepend PATH to make it take precedence, while preserving SCons' own entries.
env_base = Environment(tools=custom_tools)
env_base.PrependENVPath("PATH", os.getenv("PATH"))
env_base.PrependENVPath("PKG_CONFIG_PATH", os.getenv("PKG_CONFIG_PATH"))
if "TERM" in os.environ: # Used for colored output.
env_base["ENV"]["TERM"] = os.environ["TERM"]
env_base.disabled_modules = []
env_base.module_version_string = ""
env_base.msvc = False
env_base.__class__.disable_module = methods.disable_module
env_base.__class__.add_module_version_string = methods.add_module_version_string
env_base.__class__.add_source_files = methods.add_source_files
env_base.__class__.use_windows_spawn_fix = methods.use_windows_spawn_fix
env_base.__class__.add_shared_library = methods.add_shared_library
env_base.__class__.add_library = methods.add_library
env_base.__class__.add_program = methods.add_program
env_base.__class__.CommandNoCache = methods.CommandNoCache
env_base.__class__.Run = methods.Run
env_base.__class__.disable_warnings = methods.disable_warnings
env_base.__class__.force_optimization_on_debug = methods.force_optimization_on_debug
env_base.__class__.module_add_dependencies = methods.module_add_dependencies
env_base.__class__.module_check_dependencies = methods.module_check_dependencies
env_base["x86_libtheora_opt_gcc"] = False
env_base["x86_libtheora_opt_vc"] = False
# avoid issues when building with different versions of python out of the same directory
env_base.SConsignFile(File("#.sconsign{0}.dblite".format(pickle.HIGHEST_PROTOCOL)).abspath)
# Build options
customs = ["custom.py"]
profile = ARGUMENTS.get("profile", "")
if profile:
if os.path.isfile(profile):
customs.append(profile)
elif os.path.isfile(profile + ".py"):
customs.append(profile + ".py")
opts = Variables(customs, ARGUMENTS)
# Target build options
opts.Add("platform", "Target platform (%s)" % ("|".join(platform_list),), "")
opts.Add("p", "Platform (alias for 'platform')", "")
opts.Add(EnumVariable("target", "Compilation target", "editor", ("editor", "template_release", "template_debug")))
opts.Add(EnumVariable("arch", "CPU architecture", "auto", ["auto"] + architectures, architecture_aliases))
opts.Add(BoolVariable("dev_build", "Developer build with dev-only debugging code (DEV_ENABLED)", False))
opts.Add(
EnumVariable(
"optimize", "Optimization level", "speed_trace", ("none", "custom", "debug", "speed", "speed_trace", "size")
)
)
opts.Add(BoolVariable("debug_symbols", "Build with debugging symbols", False))
opts.Add(BoolVariable("separate_debug_symbols", "Extract debugging symbols to a separate file", False))
opts.Add(EnumVariable("lto", "Link-time optimization (production builds)", "none", ("none", "auto", "thin", "full")))
opts.Add(BoolVariable("production", "Set defaults to build Godot for use in production", False))
opts.Add(BoolVariable("threads", "Enable threading support", True))
# Components
opts.Add(BoolVariable("deprecated", "Enable compatibility code for deprecated and removed features", True))
opts.Add(EnumVariable("precision", "Set the floating-point precision level", "single", ("single", "double")))
opts.Add(BoolVariable("minizip", "Enable ZIP archive support using minizip", True))
opts.Add(BoolVariable("brotli", "Enable Brotli for decompresson and WOFF2 fonts support", True))
opts.Add(BoolVariable("xaudio2", "Enable the XAudio2 audio driver", False))
opts.Add(BoolVariable("vulkan", "Enable the vulkan rendering driver", True))
opts.Add(BoolVariable("opengl3", "Enable the OpenGL/GLES3 rendering driver", True))
opts.Add(BoolVariable("d3d12", "Enable the Direct3D 12 rendering driver (Windows only)", False))
opts.Add(BoolVariable("openxr", "Enable the OpenXR driver", True))
opts.Add(BoolVariable("use_volk", "Use the volk library to load the Vulkan loader dynamically", True))
opts.Add(BoolVariable("disable_exceptions", "Force disabling exception handling code", True))
opts.Add("custom_modules", "A list of comma-separated directory paths containing custom modules to build.", "")
opts.Add(BoolVariable("custom_modules_recursive", "Detect custom modules recursively for each specified path.", True))
# Advanced options
opts.Add(BoolVariable("dev_mode", "Alias for dev options: verbose=yes warnings=extra werror=yes tests=yes", False))
opts.Add(BoolVariable("tests", "Build the unit tests", False))
opts.Add(BoolVariable("fast_unsafe", "Enable unsafe options for faster rebuilds", False))
opts.Add(BoolVariable("compiledb", "Generate compilation DB (`compile_commands.json`) for external tools", False))
opts.Add(BoolVariable("verbose", "Enable verbose output for the compilation", False))
opts.Add(BoolVariable("progress", "Show a progress indicator during compilation", True))
opts.Add(EnumVariable("warnings", "Level of compilation warnings", "all", ("extra", "all", "moderate", "no")))
opts.Add(BoolVariable("werror", "Treat compiler warnings as errors", False))
opts.Add("extra_suffix", "Custom extra suffix added to the base filename of all generated binary files", "")
opts.Add("object_prefix", "Custom prefix added to the base filename of all generated object files", "")
opts.Add(BoolVariable("vsproj", "Generate a Visual Studio solution", False))
opts.Add("vsproj_name", "Name of the Visual Studio solution", "godot")
opts.Add("import_env_vars", "A comma-separated list of environment variables to copy from the outer environment.", "")
opts.Add(BoolVariable("disable_3d", "Disable 3D nodes for a smaller executable", False))
opts.Add(BoolVariable("disable_advanced_gui", "Disable advanced GUI nodes and behaviors", False))
opts.Add("build_profile", "Path to a file containing a feature build profile", "")
opts.Add(BoolVariable("modules_enabled_by_default", "If no, disable all modules except ones explicitly enabled", True))
opts.Add(BoolVariable("no_editor_splash", "Don't use the custom splash screen for the editor", True))
opts.Add(
"system_certs_path",
"Use this path as TLS certificates default for editor and Linux/BSD export templates (for package maintainers)",
"",
)
opts.Add(BoolVariable("use_precise_math_checks", "Math checks use very precise epsilon (debug option)", False))
opts.Add(BoolVariable("scu_build", "Use single compilation unit build", False))
opts.Add("scu_limit", "Max includes per SCU file when using scu_build (determines RAM use)", "0")
# Thirdparty libraries
opts.Add(BoolVariable("builtin_brotli", "Use the built-in Brotli library", True))
opts.Add(BoolVariable("builtin_certs", "Use the built-in SSL certificates bundles", True))
opts.Add(BoolVariable("builtin_clipper2", "Use the built-in Clipper2 library", True))
opts.Add(BoolVariable("builtin_embree", "Use the built-in Embree library", True))
opts.Add(BoolVariable("builtin_enet", "Use the built-in ENet library", True))
opts.Add(BoolVariable("builtin_freetype", "Use the built-in FreeType library", True))
opts.Add(BoolVariable("builtin_msdfgen", "Use the built-in MSDFgen library", True))
opts.Add(BoolVariable("builtin_glslang", "Use the built-in glslang library", True))
opts.Add(BoolVariable("builtin_graphite", "Use the built-in Graphite library", True))
opts.Add(BoolVariable("builtin_harfbuzz", "Use the built-in HarfBuzz library", True))
opts.Add(BoolVariable("builtin_icu4c", "Use the built-in ICU library", True))
opts.Add(BoolVariable("builtin_libogg", "Use the built-in libogg library", True))
opts.Add(BoolVariable("builtin_libpng", "Use the built-in libpng library", True))
opts.Add(BoolVariable("builtin_libtheora", "Use the built-in libtheora library", True))
opts.Add(BoolVariable("builtin_libvorbis", "Use the built-in libvorbis library", True))
opts.Add(BoolVariable("builtin_libwebp", "Use the built-in libwebp library", True))
opts.Add(BoolVariable("builtin_wslay", "Use the built-in wslay library", True))
opts.Add(BoolVariable("builtin_mbedtls", "Use the built-in mbedTLS library", True))
opts.Add(BoolVariable("builtin_miniupnpc", "Use the built-in miniupnpc library", True))
opts.Add(BoolVariable("builtin_openxr", "Use the built-in OpenXR library", True))
opts.Add(BoolVariable("builtin_pcre2", "Use the built-in PCRE2 library", True))
opts.Add(BoolVariable("builtin_pcre2_with_jit", "Use JIT compiler for the built-in PCRE2 library", True))
opts.Add(BoolVariable("builtin_recastnavigation", "Use the built-in Recast navigation library", True))
opts.Add(BoolVariable("builtin_rvo2_2d", "Use the built-in RVO2 2D library", True))
opts.Add(BoolVariable("builtin_rvo2_3d", "Use the built-in RVO2 3D library", True))
opts.Add(BoolVariable("builtin_squish", "Use the built-in squish library", True))
opts.Add(BoolVariable("builtin_xatlas", "Use the built-in xatlas library", True))
opts.Add(BoolVariable("builtin_zlib", "Use the built-in zlib library", True))
opts.Add(BoolVariable("builtin_zstd", "Use the built-in Zstd library", True))
# Compilation environment setup
# CXX, CC, and LINK directly set the equivalent `env` values (which may still
# be overridden for a specific platform), the lowercase ones are appended.
opts.Add("CXX", "C++ compiler binary")
opts.Add("CC", "C compiler binary")
opts.Add("LINK", "Linker binary")
opts.Add("cppdefines", "Custom defines for the pre-processor")
opts.Add("ccflags", "Custom flags for both the C and C++ compilers")
opts.Add("cxxflags", "Custom flags for the C++ compiler")
opts.Add("cflags", "Custom flags for the C compiler")
opts.Add("linkflags", "Custom flags for the linker")
# Update the environment to have all above options defined
# in following code (especially platform and custom_modules).
opts.Update(env_base)
# Copy custom environment variables if set.
if env_base["import_env_vars"]:
for env_var in str(env_base["import_env_vars"]).split(","):
if env_var in os.environ:
env_base["ENV"][env_var] = os.environ[env_var]
# Platform selection: validate input, and add options.
selected_platform = ""
if env_base["platform"] != "":
selected_platform = env_base["platform"]
elif env_base["p"] != "":
selected_platform = env_base["p"]
else:
# Missing `platform` argument, try to detect platform automatically
if (
sys.platform.startswith("linux")
or sys.platform.startswith("dragonfly")
or sys.platform.startswith("freebsd")
or sys.platform.startswith("netbsd")
or sys.platform.startswith("openbsd")
):
selected_platform = "linuxbsd"
elif sys.platform == "darwin":
selected_platform = "macos"
elif sys.platform == "win32":
selected_platform = "windows"
else:
print("Could not detect platform automatically. Supported platforms:")
for x in platform_list:
print("\t" + x)
print("\nPlease run SCons again and select a valid platform: platform=<string>")
if selected_platform != "":
print("Automatically detected platform: " + selected_platform)
if selected_platform == "osx":
# Deprecated alias kept for compatibility.
print('Platform "osx" has been renamed to "macos" in Godot 4. Building for platform "macos".')
selected_platform = "macos"
if selected_platform == "iphone":
# Deprecated alias kept for compatibility.
print('Platform "iphone" has been renamed to "ios" in Godot 4. Building for platform "ios".')
selected_platform = "ios"
if selected_platform in ["linux", "bsd", "x11"]:
if selected_platform == "x11":
# Deprecated alias kept for compatibility.
print('Platform "x11" has been renamed to "linuxbsd" in Godot 4. Building for platform "linuxbsd".')
# Alias for convenience.
selected_platform = "linuxbsd"
if selected_platform == "javascript":
# Deprecated alias kept for compatibility.
print('Platform "javascript" has been renamed to "web" in Godot 4. Building for platform "web".')
selected_platform = "web"
# Make sure to update this to the found, valid platform as it's used through the buildsystem as the reference.
# It should always be re-set after calling `opts.Update()` otherwise it uses the original input value.
env_base["platform"] = selected_platform
# Add platform-specific options.
if selected_platform in platform_opts:
for opt in platform_opts[selected_platform]:
opts.Add(opt)
# Update the environment to take platform-specific options into account.
opts.Update(env_base)
env_base["platform"] = selected_platform # Must always be re-set after calling opts.Update().
# Detect modules.
modules_detected = OrderedDict()
module_search_paths = ["modules"] # Built-in path.
if env_base["custom_modules"]:
paths = env_base["custom_modules"].split(",")
for p in paths:
try:
module_search_paths.append(methods.convert_custom_modules_path(p))
except ValueError as e:
print(e)
Exit(255)
for path in module_search_paths:
if path == "modules":
# Built-in modules don't have nested modules,
# so save the time it takes to parse directories.
modules = methods.detect_modules(path, recursive=False)
else: # Custom.
modules = methods.detect_modules(path, env_base["custom_modules_recursive"])
# Provide default include path for both the custom module search `path`
# and the base directory containing custom modules, as it may be different
# from the built-in "modules" name (e.g. "custom_modules/summator/summator.h"),
# so it can be referenced simply as `#include "summator/summator.h"`
# independently of where a module is located on user's filesystem.
env_base.Prepend(CPPPATH=[path, os.path.dirname(path)])
# Note: custom modules can override built-in ones.
modules_detected.update(modules)
# Add module options.
for name, path in modules_detected.items():
sys.path.insert(0, path)
import config
if env_base["modules_enabled_by_default"]:
enabled = True
try:
enabled = config.is_enabled()
except AttributeError:
pass
else:
enabled = False
opts.Add(BoolVariable("module_" + name + "_enabled", "Enable module '%s'" % (name,), enabled))
# Add module-specific options.
try:
for opt in config.get_opts(selected_platform):
opts.Add(opt)
except AttributeError:
pass
sys.path.remove(path)
sys.modules.pop("config")
methods.write_modules(modules_detected)
# Update the environment again after all the module options are added.
opts.Update(env_base)
env_base["platform"] = selected_platform # Must always be re-set after calling opts.Update().
Help(opts.GenerateHelpText(env_base))
# add default include paths
env_base.Prepend(CPPPATH=["#"])
# configure ENV for platform
env_base.platform_exporters = platform_exporters
env_base.platform_apis = platform_apis
# Configuration of build targets:
# - Editor or template
# - Debug features (DEBUG_ENABLED code)
# - Dev only code (DEV_ENABLED code)
# - Optimization level
# - Debug symbols for crash traces / debuggers
env_base.editor_build = env_base["target"] == "editor"
env_base.dev_build = env_base["dev_build"]
env_base.debug_features = env_base["target"] in ["editor", "template_debug"]
if env_base.dev_build:
opt_level = "none"
elif env_base.debug_features:
opt_level = "speed_trace"
else: # Release
opt_level = "speed"
env_base["optimize"] = ARGUMENTS.get("optimize", opt_level)
env_base["debug_symbols"] = methods.get_cmdline_bool("debug_symbols", env_base.dev_build)
if env_base.editor_build:
env_base.Append(CPPDEFINES=["TOOLS_ENABLED"])
if env_base.debug_features:
# DEBUG_ENABLED enables debugging *features* and debug-only code, which is intended
# to give *users* extra debugging information for their game development.
env_base.Append(CPPDEFINES=["DEBUG_ENABLED"])
if env_base.dev_build:
# DEV_ENABLED enables *engine developer* code which should only be compiled for those
# working on the engine itself.
env_base.Append(CPPDEFINES=["DEV_ENABLED"])
else:
# Disable assert() for production targets (only used in thirdparty code).
env_base.Append(CPPDEFINES=["NDEBUG"])
# SCons speed optimization controlled by the `fast_unsafe` option, which provide
# more than 10 s speed up for incremental rebuilds.
# Unsafe as they reduce the certainty of rebuilding all changed files, so it's
# enabled by default for `debug` builds, and can be overridden from command line.
# Ref: https://github.com/SCons/scons/wiki/GoFastButton
if methods.get_cmdline_bool("fast_unsafe", env_base.dev_build):
# Renamed to `content-timestamp` in SCons >= 4.2, keeping MD5 for compat.
env_base.Decider("MD5-timestamp")
env_base.SetOption("implicit_cache", 1)
env_base.SetOption("max_drift", 60)
if env_base["use_precise_math_checks"]:
env_base.Append(CPPDEFINES=["PRECISE_MATH_CHECKS"])
if not env_base.File("#main/splash_editor.png").exists():
# Force disabling editor splash if missing.
env_base["no_editor_splash"] = True
if env_base["no_editor_splash"]:
env_base.Append(CPPDEFINES=["NO_EDITOR_SPLASH"])
if not env_base["deprecated"]:
env_base.Append(CPPDEFINES=["DISABLE_DEPRECATED"])
if env_base["precision"] == "double":
env_base.Append(CPPDEFINES=["REAL_T_IS_DOUBLE"])
if selected_platform in platform_list:
tmppath = "./platform/" + selected_platform
sys.path.insert(0, tmppath)
import detect
env = env_base.Clone()
# Default num_jobs to local cpu count if not user specified.
# SCons has a peculiarity where user-specified options won't be overridden
# by SetOption, so we can rely on this to know if we should use our default.
initial_num_jobs = env.GetOption("num_jobs")
altered_num_jobs = initial_num_jobs + 1
env.SetOption("num_jobs", altered_num_jobs)
if env.GetOption("num_jobs") == altered_num_jobs:
cpu_count = os.cpu_count()
if cpu_count is None:
print("Couldn't auto-detect CPU count to configure build parallelism. Specify it with the -j argument.")
else:
safer_cpu_count = cpu_count if cpu_count <= 4 else cpu_count - 1
print(
"Auto-detected %d CPU cores available for build parallelism. Using %d cores by default. You can override it with the -j argument."
% (cpu_count, safer_cpu_count)
)
env.SetOption("num_jobs", safer_cpu_count)
env.extra_suffix = ""
if env["extra_suffix"] != "":
env.extra_suffix += "." + env["extra_suffix"]
# Environment flags
env.Append(CPPDEFINES=env.get("cppdefines", "").split())
env.Append(CCFLAGS=env.get("ccflags", "").split())
env.Append(CXXFLAGS=env.get("cxxflags", "").split())
env.Append(CFLAGS=env.get("cflags", "").split())
env.Append(LINKFLAGS=env.get("linkflags", "").split())
# Feature build profile
disabled_classes = []
if env["build_profile"] != "":
print("Using feature build profile: " + env["build_profile"])
import json
try:
ft = json.load(open(env["build_profile"]))
if "disabled_classes" in ft:
disabled_classes = ft["disabled_classes"]
if "disabled_build_options" in ft:
dbo = ft["disabled_build_options"]
for c in dbo:
env[c] = dbo[c]
except:
print("Error opening feature build profile: " + env["build_profile"])
Exit(255)
methods.write_disabled_classes(disabled_classes)
# Platform specific flags.
# These can sometimes override default options.
flag_list = platform_flags[selected_platform]
for f in flag_list:
if not (f[0] in ARGUMENTS) or ARGUMENTS[f[0]] == "auto": # Allow command line to override platform flags
env[f[0]] = f[1]
# 'dev_mode' and 'production' are aliases to set default options if they haven't been
# set manually by the user.
# These need to be checked *after* platform specific flags so that different
# default values can be set (e.g. to keep LTO off for `production` on some platforms).
if env["dev_mode"]:
env["verbose"] = methods.get_cmdline_bool("verbose", True)
env["warnings"] = ARGUMENTS.get("warnings", "extra")
env["werror"] = methods.get_cmdline_bool("werror", True)
env["tests"] = methods.get_cmdline_bool("tests", True)
if env["production"]:
env["use_static_cpp"] = methods.get_cmdline_bool("use_static_cpp", True)
env["debug_symbols"] = methods.get_cmdline_bool("debug_symbols", False)
# LTO "auto" means we handle the preferred option in each platform detect.py.
env["lto"] = ARGUMENTS.get("lto", "auto")
# Run SCU file generation script if in a SCU build.
if env["scu_build"]:
max_includes_per_scu = 8
if env_base.dev_build == True:
max_includes_per_scu = 1024
read_scu_limit = int(env["scu_limit"])
read_scu_limit = max(0, min(read_scu_limit, 1024))
if read_scu_limit != 0:
max_includes_per_scu = read_scu_limit
methods.set_scu_folders(scu_builders.generate_scu_files(max_includes_per_scu))
# Must happen after the flags' definition, as configure is when most flags
# are actually handled to change compile options, etc.
detect.configure(env)
print(f'Building for platform "{selected_platform}", architecture "{env["arch"]}", target "{env["target"]}".')
if env.dev_build:
print("NOTE: Developer build, with debug optimization level and debug symbols (unless overridden).")
# Set optimize and debug_symbols flags.
# "custom" means do nothing and let users set their own optimization flags.
# Needs to happen after configure to have `env.msvc` defined.
if env.msvc:
if env["debug_symbols"]:
env.Append(CCFLAGS=["/Zi", "/FS"])
env.Append(LINKFLAGS=["/DEBUG:FULL"])
else:
env.Append(LINKFLAGS=["/DEBUG:NONE"])
if env["optimize"] == "speed":
env.Append(CCFLAGS=["/O2"])
env.Append(LINKFLAGS=["/OPT:REF"])
elif env["optimize"] == "speed_trace":
env.Append(CCFLAGS=["/O2"])
env.Append(LINKFLAGS=["/OPT:REF", "/OPT:NOICF"])
elif env["optimize"] == "size":
env.Append(CCFLAGS=["/O1"])
env.Append(LINKFLAGS=["/OPT:REF"])
elif env["optimize"] == "debug" or env["optimize"] == "none":
env.Append(CCFLAGS=["/Od"])
else:
if env["debug_symbols"]:
# Adding dwarf-4 explicitly makes stacktraces work with clang builds,
# otherwise addr2line doesn't understand them
env.Append(CCFLAGS=["-gdwarf-4"])
if env.dev_build:
env.Append(CCFLAGS=["-g3"])
else:
env.Append(CCFLAGS=["-g2"])
else:
if methods.using_clang(env) and not methods.is_vanilla_clang(env):
# Apple Clang, its linker doesn't like -s.
env.Append(LINKFLAGS=["-Wl,-S", "-Wl,-x", "-Wl,-dead_strip"])
else:
env.Append(LINKFLAGS=["-s"])
if env["optimize"] == "speed":
env.Append(CCFLAGS=["-O3"])
# `-O2` is friendlier to debuggers than `-O3`, leading to better crash backtraces.
elif env["optimize"] == "speed_trace":
env.Append(CCFLAGS=["-O2"])
elif env["optimize"] == "size":
env.Append(CCFLAGS=["-Os"])
elif env["optimize"] == "debug":
env.Append(CCFLAGS=["-Og"])
elif env["optimize"] == "none":
env.Append(CCFLAGS=["-O0"])
# Needs to happen after configure to handle "auto".
if env["lto"] != "none":
print("Using LTO: " + env["lto"])
# Set our C and C++ standard requirements.
# C++17 is required as we need guaranteed copy elision as per GH-36436.
# Prepending to make it possible to override.
# This needs to come after `configure`, otherwise we don't have env.msvc.
if not env.msvc:
# Specifying GNU extensions support explicitly, which are supported by
# both GCC and Clang. Both currently default to gnu11 and gnu++14.
env.Prepend(CFLAGS=["-std=gnu11"])
env.Prepend(CXXFLAGS=["-std=gnu++17"])
else:
# MSVC doesn't have clear C standard support, /std only covers C++.
# We apply it to CCFLAGS (both C and C++ code) in case it impacts C features.
env.Prepend(CCFLAGS=["/std:c++17"])
# Enforce our minimal compiler version requirements
cc_version = methods.get_compiler_version(env) or {
"major": None,
"minor": None,
"patch": None,
"metadata1": None,
"metadata2": None,
"date": None,
}
cc_version_major = int(cc_version["major"] or -1)
cc_version_minor = int(cc_version["minor"] or -1)
cc_version_metadata1 = cc_version["metadata1"] or ""
if methods.using_gcc(env):
if cc_version_major == -1:
print(
"Couldn't detect compiler version, skipping version checks. "
"Build may fail if the compiler doesn't support C++17 fully."
)
# GCC 8 before 8.4 has a regression in the support of guaranteed copy elision
# which causes a build failure: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86521
elif cc_version_major == 8 and cc_version_minor < 4:
print(
"Detected GCC 8 version < 8.4, which is not supported due to a "
"regression in its C++17 guaranteed copy elision support. Use a "
'newer GCC version, or Clang 6 or later by passing "use_llvm=yes" '
"to the SCons command line."
)
Exit(255)
elif cc_version_major < 7:
print(
"Detected GCC version older than 7, which does not fully support "
"C++17. Supported versions are GCC 7, 9 and later. Use a newer GCC "
'version, or Clang 6 or later by passing "use_llvm=yes" to the '
"SCons command line."
)
Exit(255)
elif cc_version_metadata1 == "win32":
print(
"Detected mingw version is not using posix threads. Only posix "
"version of mingw is supported. "
'Use "update-alternatives --config x86_64-w64-mingw32-g++" '
"to switch to posix threads."
)
Exit(255)
elif methods.using_clang(env):
if cc_version_major == -1:
print(
"Couldn't detect compiler version, skipping version checks. "
"Build may fail if the compiler doesn't support C++17 fully."
)
# Apple LLVM versions differ from upstream LLVM version \o/, compare
# in https://en.wikipedia.org/wiki/Xcode#Toolchain_versions
elif env["platform"] == "macos" or env["platform"] == "ios":
vanilla = methods.is_vanilla_clang(env)
if vanilla and cc_version_major < 6:
print(
"Detected Clang version older than 6, which does not fully support "
"C++17. Supported versions are Clang 6 and later."
)
Exit(255)
elif not vanilla and cc_version_major < 10:
print(
"Detected Apple Clang version older than 10, which does not fully "
"support C++17. Supported versions are Apple Clang 10 and later."
)
Exit(255)
elif cc_version_major < 6:
print(
"Detected Clang version older than 6, which does not fully support "
"C++17. Supported versions are Clang 6 and later."
)
Exit(255)
# Disable exception handling. Godot doesn't use exceptions anywhere, and this
# saves around 20% of binary size and very significant build time (GH-80513).
if env["disable_exceptions"]:
if env.msvc:
env.Append(CPPDEFINES=[("_HAS_EXCEPTIONS", 0)])
else:
env.Append(CXXFLAGS=["-fno-exceptions"])
elif env.msvc:
env.Append(CXXFLAGS=["/EHsc"])
# Configure compiler warnings
if env.msvc: # MSVC
if env["warnings"] == "no":
env.Append(CCFLAGS=["/w"])
else:
if env["warnings"] == "extra":
env.Append(CCFLAGS=["/W4"])
elif env["warnings"] == "all":
# C4458 is like -Wshadow. Part of /W4 but let's apply it for the default /W3 too.
env.Append(CCFLAGS=["/W3", "/w34458"])
elif env["warnings"] == "moderate":
env.Append(CCFLAGS=["/W2"])
# Disable warnings which we don't plan to fix.
env.Append(
CCFLAGS=[
"/wd4100", # C4100 (unreferenced formal parameter): Doesn't play nice with polymorphism.
"/wd4127", # C4127 (conditional expression is constant)
"/wd4201", # C4201 (non-standard nameless struct/union): Only relevant for C89.
"/wd4244", # C4244 C4245 C4267 (narrowing conversions): Unavoidable at this scale.
"/wd4245",
"/wd4267",
"/wd4305", # C4305 (truncation): double to float or real_t, too hard to avoid.
"/wd4514", # C4514 (unreferenced inline function has been removed)
"/wd4714", # C4714 (function marked as __forceinline not inlined)
"/wd4820", # C4820 (padding added after construct)
]
)
if env["werror"]:
env.Append(CCFLAGS=["/WX"])
env.Append(LINKFLAGS=["/WX"])
else: # GCC, Clang
common_warnings = []
if methods.using_gcc(env):
common_warnings += ["-Wshadow", "-Wno-misleading-indentation"]
if cc_version_major == 7: # Bogus warning fixed in 8+.
common_warnings += ["-Wno-strict-overflow"]
if cc_version_major < 11:
# Regression in GCC 9/10, spams so much in our variadic templates
# that we need to outright disable it.
common_warnings += ["-Wno-type-limits"]
if cc_version_major >= 12: # False positives in our error macros, see GH-58747.
common_warnings += ["-Wno-return-type"]
elif methods.using_clang(env) or methods.using_emcc(env):
common_warnings += ["-Wshadow-field-in-constructor", "-Wshadow-uncaptured-local"]
# We often implement `operator<` for structs of pointers as a requirement
# for putting them in `Set` or `Map`. We don't mind about unreliable ordering.
common_warnings += ["-Wno-ordered-compare-function-pointers"]
if env["warnings"] == "extra":
env.Append(CCFLAGS=["-Wall", "-Wextra", "-Wwrite-strings", "-Wno-unused-parameter"] + common_warnings)
env.Append(CXXFLAGS=["-Wctor-dtor-privacy", "-Wnon-virtual-dtor"])
if methods.using_gcc(env):
env.Append(
CCFLAGS=[
"-Walloc-zero",
"-Wduplicated-branches",
"-Wduplicated-cond",
"-Wstringop-overflow=4",
]
)
env.Append(CXXFLAGS=["-Wplacement-new=1"])
# Need to fix a warning with AudioServer lambdas before enabling.
# if cc_version_major != 9: # GCC 9 had a regression (GH-36325).
# env.Append(CXXFLAGS=["-Wnoexcept"])
if cc_version_major >= 9:
env.Append(CCFLAGS=["-Wattribute-alias=2"])
if cc_version_major >= 11: # Broke on MethodBind templates before GCC 11.
env.Append(CCFLAGS=["-Wlogical-op"])
elif methods.using_clang(env) or methods.using_emcc(env):
env.Append(CCFLAGS=["-Wimplicit-fallthrough"])
elif env["warnings"] == "all":
env.Append(CCFLAGS=["-Wall"] + common_warnings)
elif env["warnings"] == "moderate":
env.Append(CCFLAGS=["-Wall", "-Wno-unused"] + common_warnings)
else: # 'no'
env.Append(CCFLAGS=["-w"])
if env["werror"]:
env.Append(CCFLAGS=["-Werror"])
if hasattr(detect, "get_program_suffix"):
suffix = "." + detect.get_program_suffix()
else:
suffix = "." + selected_platform
suffix += "." + env["target"]
if env.dev_build:
suffix += ".dev"
if env_base["precision"] == "double":
suffix += ".double"
suffix += "." + env["arch"]
if not env["threads"]:
suffix += ".nothreads"
suffix += env.extra_suffix
sys.path.remove(tmppath)
sys.modules.pop("detect")
modules_enabled = OrderedDict()
env.module_dependencies = {}
env.module_icons_paths = []
env.doc_class_path = platform_doc_class_path
for name, path in modules_detected.items():
if not env["module_" + name + "_enabled"]:
continue
sys.path.insert(0, path)
env.current_module = name
import config
if config.can_build(env, selected_platform):
# Disable it if a required dependency is missing.
if not env.module_check_dependencies(name):
continue
config.configure(env)
# Get doc classes paths (if present)
try:
doc_classes = config.get_doc_classes()
doc_path = config.get_doc_path()
for c in doc_classes:
env.doc_class_path[c] = path + "/" + doc_path
except Exception:
pass
# Get icon paths (if present)
try:
icons_path = config.get_icons_path()
env.module_icons_paths.append(path + "/" + icons_path)
except Exception:
# Default path for module icons
env.module_icons_paths.append(path + "/" + "icons")
modules_enabled[name] = path
sys.path.remove(path)
sys.modules.pop("config")
env.module_list = modules_enabled
methods.sort_module_list(env)
if env.editor_build:
# Add editor-specific dependencies to the dependency graph.
env.module_add_dependencies("editor", ["freetype", "svg"])
# And check if they are met.
if not env.module_check_dependencies("editor"):
print("Not all modules required by editor builds are enabled.")
Exit(255)
methods.generate_version_header(env.module_version_string)
env["PROGSUFFIX_WRAP"] = suffix + env.module_version_string + ".console" + env["PROGSUFFIX"]
env["PROGSUFFIX"] = suffix + env.module_version_string + env["PROGSUFFIX"]
env["OBJSUFFIX"] = suffix + env["OBJSUFFIX"]
# (SH)LIBSUFFIX will be used for our own built libraries
# LIBSUFFIXES contains LIBSUFFIX and SHLIBSUFFIX by default,
# so we need to append the default suffixes to keep the ability
# to link against thirdparty libraries (.a, .so, .lib, etc.).
if os.name == "nt":
# On Windows, only static libraries and import libraries can be
# statically linked - both using .lib extension
env["LIBSUFFIXES"] += [env["LIBSUFFIX"]]
else:
env["LIBSUFFIXES"] += [env["LIBSUFFIX"], env["SHLIBSUFFIX"]]
env["LIBSUFFIX"] = suffix + env["LIBSUFFIX"]
env["SHLIBSUFFIX"] = suffix + env["SHLIBSUFFIX"]
env["OBJPREFIX"] = env["object_prefix"]
env["SHOBJPREFIX"] = env["object_prefix"]
if env["disable_3d"]:
if env.editor_build:
print("Build option 'disable_3d=yes' cannot be used for editor builds, only for export template builds.")
Exit(255)
else:
env.Append(CPPDEFINES=["_3D_DISABLED"])
if env["disable_advanced_gui"]:
if env.editor_build:
print(
"Build option 'disable_advanced_gui=yes' cannot be used for editor builds, "
"only for export template builds."
)
Exit(255)
else:
env.Append(CPPDEFINES=["ADVANCED_GUI_DISABLED"])
if env["minizip"]:
env.Append(CPPDEFINES=["MINIZIP_ENABLED"])
if env["brotli"]:
env.Append(CPPDEFINES=["BROTLI_ENABLED"])
if not env["verbose"]:
methods.no_verbose(sys, env)
GLSL_BUILDERS = {
"RD_GLSL": env.Builder(
action=env.Run(glsl_builders.build_rd_headers),
suffix="glsl.gen.h",
src_suffix=".glsl",
),
"GLSL_HEADER": env.Builder(
action=env.Run(glsl_builders.build_raw_headers),
suffix="glsl.gen.h",
src_suffix=".glsl",
),
"GLES3_GLSL": env.Builder(
action=env.Run(gles3_builders.build_gles3_headers),
suffix="glsl.gen.h",
src_suffix=".glsl",
),
}
env.Append(BUILDERS=GLSL_BUILDERS)
scons_cache_path = os.environ.get("SCONS_CACHE")
if scons_cache_path != None:
CacheDir(scons_cache_path)
print("Scons cache enabled... (path: '" + scons_cache_path + "')")
if env["vsproj"]:
env.vs_incs = []
env.vs_srcs = []
# CompileDB
from SCons import __version__ as scons_raw_version
scons_ver = env._get_major_minor_revision(scons_raw_version)
if env["compiledb"] and scons_ver < (4, 0, 0):
# Generating the compilation DB (`compile_commands.json`) requires SCons 4.0.0 or later.
print("The `compiledb=yes` option requires SCons 4.0 or later, but your version is %s." % scons_raw_version)
Exit(255)
if scons_ver >= (4, 0, 0):
env.Tool("compilation_db")
env.Alias("compiledb", env.CompilationDatabase())
# Threads
if env["threads"]:
env.Append(CPPDEFINES=["THREADS_ENABLED"])
# Build subdirs, the build order is dependent on link order.
Export("env")
SConscript("core/SCsub")
SConscript("servers/SCsub")
SConscript("scene/SCsub")
if env.editor_build:
SConscript("editor/SCsub")
SConscript("drivers/SCsub")
SConscript("platform/SCsub")
SConscript("modules/SCsub")
if env["tests"]:
SConscript("tests/SCsub")
SConscript("main/SCsub")
SConscript("platform/" + selected_platform + "/SCsub") # Build selected platform.
# Microsoft Visual Studio Project Generation
if env["vsproj"]:
env["CPPPATH"] = [Dir(path) for path in env["CPPPATH"]]
methods.generate_vs_project(env, ARGUMENTS, env["vsproj_name"])
methods.generate_cpp_hint_file("cpp.hint")
# Check for the existence of headers
conf = Configure(env)