forked from swiftlang/swift
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathSwiftSource.cmake
1213 lines (1055 loc) · 48.5 KB
/
SwiftSource.cmake
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
include(macCatalystUtils)
include(SwiftUtils)
function(_compute_lto_swift_flag option out_var)
string(TOLOWER "${option}" lowercase_option)
if (lowercase_option STREQUAL "full")
set(${out_var} "-lto=llvm-full" PARENT_SCOPE)
elseif (lowercase_option STREQUAL "thin")
set(${out_var} "-lto=llvm-thin" PARENT_SCOPE)
endif()
endfunction()
# Compute the library subdirectory to use for the given sdk and
# architecture, placing the result in 'result_var_name'.
function(compute_library_subdir result_var_name sdk arch)
set("${result_var_name}" "${SWIFT_SDK_${sdk}_LIB_SUBDIR}" PARENT_SCOPE)
endfunction()
# Return a swiftc flag (e.g. -O or -Onone) to control optimization level based
# on the build type.
function(swift_optimize_flag_for_build_type build_type result_var_name)
if("${build_type}" STREQUAL "Debug")
set("${result_var_name}" "-Onone" PARENT_SCOPE)
elseif("${build_type}" STREQUAL "RelWithDebInfo" OR
"${build_type}" STREQUAL "Release")
set("${result_var_name}" "-O" PARENT_SCOPE)
elseif("${build_type}" STREQUAL "MinSizeRel")
set("${result_var_name}" "-Osize" PARENT_SCOPE)
else()
message(FATAL_ERROR "Unknown build type: ${build_type}")
endif()
endfunction()
# Process the sources within the given variable, pulling out any Swift
# sources to be compiled with 'swift' directly. This updates
# ${sourcesvar} in place with the resulting list and ${externalvar} with the
# list of externally-build sources.
#
# Usage:
# handle_swift_sources(sourcesvar externalvar)
#
# MACCATALYST_BUILD_FLAVOR
# Possible values are 'ios-like', 'macos-like', 'zippered', 'unzippered-twin'
function(handle_swift_sources
dependency_target_out_var_name
dependency_module_target_out_var_name
dependency_sib_target_out_var_name
dependency_sibopt_target_out_var_name
dependency_sibgen_target_out_var_name
sourcesvar externalvar name)
cmake_parse_arguments(SWIFTSOURCES
"IS_MAIN;IS_STDLIB;IS_STDLIB_CORE;IS_SDK_OVERLAY;EMBED_BITCODE;STATIC;NO_LINK_NAME;IS_FRAGILE;ONLY_SWIFTMODULE"
"SDK;ARCHITECTURE;INSTALL_IN_COMPONENT;DEPLOYMENT_VERSION_OSX;DEPLOYMENT_VERSION_IOS;DEPLOYMENT_VERSION_TVOS;DEPLOYMENT_VERSION_WATCHOS;MACCATALYST_BUILD_FLAVOR;BOOTSTRAPPING"
"DEPENDS;COMPILE_FLAGS;MODULE_NAME;MODULE_DIR;ENABLE_LTO"
${ARGN})
translate_flag(${SWIFTSOURCES_IS_MAIN} "IS_MAIN" IS_MAIN_arg)
translate_flag(${SWIFTSOURCES_IS_STDLIB} "IS_STDLIB" IS_STDLIB_arg)
translate_flag(${SWIFTSOURCES_IS_STDLIB_CORE} "IS_STDLIB_CORE"
IS_STDLIB_CORE_arg)
translate_flag(${SWIFTSOURCES_IS_SDK_OVERLAY} "IS_SDK_OVERLAY"
IS_SDK_OVERLAY_arg)
translate_flag(${SWIFTSOURCES_EMBED_BITCODE} "EMBED_BITCODE"
EMBED_BITCODE_arg)
translate_flag(${SWIFTSOURCES_STATIC} "STATIC"
STATIC_arg)
translate_flag(${SWIFTSOURCES_NO_LINK_NAME} "NO_LINK_NAME" NO_LINK_NAME_arg)
translate_flag(${SWIFTSOURCES_IS_FRAGILE} "IS_FRAGILE" IS_FRAGILE_arg)
translate_flag(${SWIFTSOURCES_ONLY_SWIFTMODULE} "ONLY_SWIFTMODULE" ONLY_SWIFTMODULE_arg)
if(DEFINED SWIFTSOURCES_BOOTSTRAPPING)
set(BOOTSTRAPPING_arg "BOOTSTRAPPING" ${SWIFTSOURCES_BOOTSTRAPPING})
endif()
if(SWIFTSOURCES_IS_MAIN)
set(SWIFTSOURCES_INSTALL_IN_COMPONENT never_install)
endif()
# Check arguments.
precondition(SWIFTSOURCES_SDK "Should specify an SDK")
precondition(SWIFTSOURCES_ARCHITECTURE "Should specify an architecture")
precondition(SWIFTSOURCES_INSTALL_IN_COMPONENT "INSTALL_IN_COMPONENT is required")
# Clear the result variable.
set("${dependency_target_out_var_name}" "" PARENT_SCOPE)
set("${dependency_module_target_out_var_name}" "" PARENT_SCOPE)
set("${dependency_sib_target_out_var_name}" "" PARENT_SCOPE)
set("${dependency_sibopt_target_out_var_name}" "" PARENT_SCOPE)
set("${dependency_sibgen_target_out_var_name}" "" PARENT_SCOPE)
set(result)
set(swift_sources)
foreach(src ${${sourcesvar}})
get_filename_component(extension ${src} EXT)
if(extension STREQUAL ".swift")
list(APPEND swift_sources ${src})
else()
list(APPEND result ${src})
endif()
endforeach()
set(swift_compile_flags ${SWIFTSOURCES_COMPILE_FLAGS})
if (NOT SWIFTSOURCES_IS_MAIN AND NOT SWIFTSOURCES_NO_LINK_NAME)
list(APPEND swift_compile_flags "-module-link-name" "${name}")
endif()
if(swift_sources)
set(objsubdir "/${SWIFTSOURCES_SDK}/${SWIFTSOURCES_ARCHITECTURE}")
get_maccatalyst_build_flavor(maccatalyst_build_flavor
"${SWIFTSOURCES_SDK}" "${SWIFTSOURCES_MACCATALYST_BUILD_FLAVOR}")
if(maccatalyst_build_flavor STREQUAL "ios-like")
set(objsubdir "/MACCATALYST/${SWIFTSOURCES_ARCHITECTURE}")
endif()
get_bootstrapping_path(lib_dir
${SWIFTLIB_DIR} "${SWIFTSOURCES_BOOTSTRAPPING}")
get_bootstrapping_path(obj_dir
"${CMAKE_CURRENT_BINARY_DIR}/${objsubdir}" "${SWIFTSOURCES_BOOTSTRAPPING}")
file(MAKE_DIRECTORY ${obj_dir})
set(swift_obj
"${obj_dir}/${SWIFTSOURCES_MODULE_NAME}${CMAKE_C_OUTPUT_EXTENSION}")
# FIXME: We shouldn't /have/ to build things in a single process.
# <rdar://problem/15972329>
list(APPEND swift_compile_flags "-whole-module-optimization")
if(sdk IN_LIST SWIFT_DARWIN_PLATFORMS OR sdk STREQUAL "MACCATALYST")
list(APPEND swift_compile_flags "-save-optimization-record=bitstream")
endif()
if (SWIFTSOURCES_ENABLE_LTO)
_compute_lto_swift_flag("${SWIFTSOURCES_ENABLE_LTO}" _lto_flag_out)
if (_lto_flag_out)
list(APPEND swift_compile_flags "${_lto_flag_out}")
endif()
endif()
list(APPEND swift_compile_flags "-color-diagnostics")
_compile_swift_files(
dependency_target
module_dependency_target
sib_dependency_target
sibopt_dependency_target
sibgen_dependency_target
OUTPUT ${swift_obj}
SOURCES ${swift_sources}
DEPENDS ${SWIFTSOURCES_DEPENDS}
FLAGS ${swift_compile_flags}
SDK ${SWIFTSOURCES_SDK}
ARCHITECTURE ${SWIFTSOURCES_ARCHITECTURE}
MODULE_NAME ${SWIFTSOURCES_MODULE_NAME}
MODULE_DIR ${SWIFTSOURCES_MODULE_DIR}
${IS_MAIN_arg}
${IS_STDLIB_arg}
${IS_STDLIB_CORE_arg}
${IS_SDK_OVERLAY_arg}
${EMBED_BITCODE_arg}
${STATIC_arg}
${BOOTSTRAPPING_arg}
${IS_FRAGILE_arg}
${ONLY_SWIFTMODULE_arg}
INSTALL_IN_COMPONENT "${SWIFTSOURCES_INSTALL_IN_COMPONENT}"
DEPLOYMENT_VERSION_OSX ${SWIFTSOURCES_DEPLOYMENT_VERSION_OSX}
DEPLOYMENT_VERSION_IOS ${SWIFTSOURCES_DEPLOYMENT_VERSION_IOS}
DEPLOYMENT_VERSION_TVOS ${SWIFTSOURCES_DEPLOYMENT_VERSION_TVOS}
DEPLOYMENT_VERSION_WATCHOS ${SWIFTSOURCES_DEPLOYMENT_VERSION_WATCHOS}
MACCATALYST_BUILD_FLAVOR "${SWIFTSOURCES_MACCATALYST_BUILD_FLAVOR}")
set("${dependency_target_out_var_name}" "${dependency_target}" PARENT_SCOPE)
set("${dependency_module_target_out_var_name}" "${module_dependency_target}" PARENT_SCOPE)
set("${dependency_sib_target_out_var_name}" "${sib_dependency_target}" PARENT_SCOPE)
set("${dependency_sibopt_target_out_var_name}" "${sibopt_dependency_target}" PARENT_SCOPE)
set("${dependency_sibgen_target_out_var_name}" "${sibgen_dependency_target}" PARENT_SCOPE)
list(APPEND result ${swift_obj})
endif()
llvm_process_sources(result ${result})
set(${sourcesvar} "${result}" PARENT_SCOPE)
set(${externalvar} ${swift_sources} PARENT_SCOPE)
endfunction()
# Add Swift source files to the (Xcode) project.
#
# Usage:
# add_swift_source_group(sources)
function(add_swift_source_group sources)
source_group("Swift Sources" FILES ${sources})
# Mark the source files as HEADER_FILE_ONLY, so that Xcode doesn't try
# to build them itself.
set_source_files_properties(${sources}
PROPERTIES
HEADER_FILE_ONLY true)
endfunction()
# Look up extra flags for a module that matches a regexp.
function(_add_extra_swift_flags_for_module module_name result_var_name)
set(result_list)
list(LENGTH SWIFT_EXPERIMENTAL_EXTRA_REGEXP_FLAGS listlen)
if (${listlen} GREATER 0)
math(EXPR listlen "${listlen}-1")
foreach(i RANGE 0 ${listlen} 2)
list(GET SWIFT_EXPERIMENTAL_EXTRA_REGEXP_FLAGS ${i} regex)
if (module_name MATCHES "${regex}")
math(EXPR ip1 "${i}+1")
list(GET SWIFT_EXPERIMENTAL_EXTRA_REGEXP_FLAGS ${ip1} flags)
list(APPEND result_list ${flags})
message(STATUS "Matched '${regex}' to module '${module_name}'. Compiling ${module_name} with special flags: ${flags}")
endif()
endforeach()
endif()
list(LENGTH SWIFT_EXPERIMENTAL_EXTRA_NEGATIVE_REGEXP_FLAGS listlen)
if (${listlen} GREATER 0)
math(EXPR listlen "${listlen}-1")
foreach(i RANGE 0 ${listlen} 2)
list(GET SWIFT_EXPERIMENTAL_EXTRA_NEGATIVE_REGEXP_FLAGS ${i} regex)
if (NOT module_name MATCHES "${regex}")
math(EXPR ip1 "${i}+1")
list(GET SWIFT_EXPERIMENTAL_EXTRA_NEGATIVE_REGEXP_FLAGS ${ip1} flags)
list(APPEND result_list ${flags})
message(STATUS "Matched NEGATIVE '${regex}' to module '${module_name}'. Compiling ${module_name} with special flags: ${flags}")
endif()
endforeach()
endif()
set("${result_var_name}" ${result_list} PARENT_SCOPE)
endfunction()
function(_add_target_variant_swift_compile_flags
sdk arch build_type enable_assertions result_var_name)
set(result ${${result_var_name}})
cmake_parse_arguments(
VARIANT # prefix
"" # options
"MACCATALYST_BUILD_FLAVOR;DEPLOYMENT_VERSION_OSX;DEPLOYMENT_VERSION_IOS;DEPLOYMENT_VERSION_TVOS;DEPLOYMENT_VERSION_WATCHOS" # single-value args
"" # multi-value args
${ARGN})
# On Windows, we don't set SWIFT_SDK_WINDOWS_PATH_ARCH_{ARCH}_PATH, so don't include it.
if ((NOT "${sdk}" STREQUAL "WINDOWS") AND NOT ("${SWIFT_SDK_${sdk}_ARCH_${arch}_PATH}" STREQUAL ""))
list(APPEND result "-sdk" "${SWIFT_SDK_${sdk}_ARCH_${arch}_PATH}")
endif()
if("${sdk}" IN_LIST SWIFT_DARWIN_PLATFORMS)
set(sdk_deployment_version "${SWIFT_SDK_${sdk}_DEPLOYMENT_VERSION}")
if("${sdk}" STREQUAL "OSX" AND DEFINED VARIANT_DEPLOYMENT_VERSION_OSX)
set(sdk_deployment_version ${VARIANT_DEPLOYMENT_VERSION_OSX})
endif()
if("${sdk}" STREQUAL "IOS" AND DEFINED VARIANT_DEPLOYMENT_VERSION_IOS)
set(sdk_deployment_version ${VARIANT_DEPLOYMENT_VERSION_IOS})
endif()
if("${sdk}" STREQUAL "TVOS" AND DEFINED VARIANT_DEPLOYMENT_VERSION_TVOS)
set(sdk_deployment_version ${VARIANT_DEPLOYMENT_VERSION_TVOS})
endif()
if("${sdk}" STREQUAL "WATCHOS" AND DEFINED VARIANT_DEPLOYMENT_VERSION_WATCHOS)
set(sdk_deployment_version ${VARIANT_DEPLOYMENT_VERSION_WATCHOS})
endif()
get_target_triple(target target_variant "${sdk}" "${arch}"
MACCATALYST_BUILD_FLAVOR "${VARIANT_MACCATALYST_BUILD_FLAVOR}"
DEPLOYMENT_VERSION "${sdk_deployment_version}")
list(APPEND result "-target" "${target}")
if(target_variant)
list(APPEND result "-target-variant" "${target_variant}")
endif()
else()
list(APPEND result
"-target" "${SWIFT_SDK_${sdk}_ARCH_${arch}_TRIPLE}")
endif()
if(NOT BUILD_STANDALONE)
list(APPEND result "-resource-dir" "${SWIFTLIB_DIR}")
endif()
if("${sdk}" IN_LIST SWIFT_DARWIN_PLATFORMS)
# We collate -F with the framework path to avoid unwanted deduplication
# of options by target_compile_options -- this way no undesired
# side effects are introduced should a new search path be added.
list(APPEND result
"-F${SWIFT_SDK_${sdk}_ARCH_${arch}_PATH}/../../../Developer/Library/Frameworks")
endif()
swift_optimize_flag_for_build_type("${build_type}" optimize_flag)
list(APPEND result "${optimize_flag}")
is_build_type_with_debuginfo("${build_type}" debuginfo)
if(debuginfo)
list(APPEND result "-g")
elseif("${build_type}" STREQUAL "MinSizeRel")
# MinSizeRel builds of stdlib (but not the compiler) should get debug info
list(APPEND result "-g")
endif()
if(enable_assertions)
list(APPEND result "-D" "INTERNAL_CHECKS_ENABLED")
endif()
if(SWIFT_STDLIB_COMPACT_ABSOLUTE_FUNCTION_POINTER)
list(APPEND result "-D" "SWIFT_COMPACT_ABSOLUTE_FUNCTION_POINTER")
endif()
if(SWIFT_ENABLE_EXPERIMENTAL_CONCURRENCY)
list(APPEND result "-D" "SWIFT_ENABLE_EXPERIMENTAL_CONCURRENCY")
endif()
if(SWIFT_ENABLE_EXPERIMENTAL_DISTRIBUTED)
list(APPEND result "-D" "SWIFT_ENABLE_EXPERIMENTAL_DISTRIBUTED")
endif()
if(SWIFT_ENABLE_RUNTIME_FUNCTION_COUNTERS)
list(APPEND result "-D" "SWIFT_ENABLE_RUNTIME_FUNCTION_COUNTERS")
endif()
if(SWIFT_ENABLE_EXPERIMENTAL_DIFFERENTIABLE_PROGRAMMING)
list(APPEND result "-D" "SWIFT_ENABLE_EXPERIMENTAL_DIFFERENTIABLE_PROGRAMMING")
endif()
if(SWIFT_ENABLE_EXPERIMENTAL_STRING_PROCESSING)
list(APPEND result "-D" "SWIFT_ENABLE_EXPERIMENTAL_STRING_PROCESSING")
endif()
if(SWIFT_ENABLE_EXPERIMENTAL_OBSERVATION)
list(APPEND result "-D" "SWIFT_ENABLE_EXPERIMENTAL_OBSERVATION")
endif()
if(SWIFT_STDLIB_OS_VERSIONING)
list(APPEND result "-D" "SWIFT_RUNTIME_OS_VERSIONING")
endif()
if(SWIFT_STDLIB_STATIC_PRINT)
list(APPEND result "-D" "SWIFT_STDLIB_STATIC_PRINT")
endif()
if(SWIFT_STDLIB_ENABLE_UNICODE_DATA)
list(APPEND result "-D" "SWIFT_STDLIB_ENABLE_UNICODE_DATA")
endif()
if(SWIFT_STDLIB_ENABLE_VECTOR_TYPES)
list(APPEND result "-D" "SWIFT_STDLIB_ENABLE_VECTOR_TYPES")
endif()
if(SWIFT_STDLIB_HAS_COMMANDLINE)
list(APPEND result "-D" "SWIFT_STDLIB_HAS_COMMANDLINE")
endif()
if(SWIFT_STDLIB_HAS_STDIN)
list(APPEND result "-D" "SWIFT_STDLIB_HAS_STDIN")
endif()
if(SWIFT_STDLIB_HAS_ENVIRON)
list(APPEND result "-D" "SWIFT_STDLIB_HAS_ENVIRON")
list(APPEND result "-Xcc" "-DSWIFT_STDLIB_HAS_ENVIRON")
endif()
if(SWIFT_STDLIB_SINGLE_THREADED_CONCURRENCY)
list(APPEND result "-D" "SWIFT_STDLIB_SINGLE_THREADED_CONCURRENCY")
endif()
if(SWIFT_STDLIB_TASK_TO_THREAD_MODEL_CONCURRENCY)
list(APPEND result "-D" "SWIFT_STDLIB_TASK_TO_THREAD_MODEL_CONCURRENCY")
endif()
if(SWIFT_STDLIB_OVERRIDABLE_RETAIN_RELEASE)
list(APPEND result "-D" "SWIFT_STDLIB_OVERRIDABLE_RETAIN_RELEASE")
endif()
string(TOUPPER "${SWIFT_SDK_${sdk}_THREADING_PACKAGE}" _threading_package)
list(APPEND result "-D" "SWIFT_THREADING_${_threading_package}")
set("${result_var_name}" "${result}" PARENT_SCOPE)
endfunction()
# Compile a swift file into an object file (as a library).
#
# Usage:
# _compile_swift_files(
# dependency_target_out_var_name
# dependency_module_target_out_var_name
# dependency_sib_target_out_var_name # -Onone sib target
# dependency_sibopt_target_out_var_name # -O sib target
# dependency_sibgen_target_out_var_name # -sibgen target
# OUTPUT objfile # Name of the resulting object file
# SOURCES swift_src [swift_src...] # Swift source files to compile
# FLAGS -module-name foo # Flags to add to the compilation
# MACCATALYST_BUILD_FLAVOR flavor # macCatalyst flavor
# [SDK sdk] # SDK to build for
# [ARCHITECTURE architecture] # Architecture to build for
# [DEPENDS cmake_target...] # CMake targets on which the object
# # file depends.
# [IS_MAIN] # This is an executable, not a library
# [IS_STDLIB]
# [IS_STDLIB_CORE] # This is the core standard library
# [OPT_FLAGS] # Optimization flags (overrides SWIFT_OPTIMIZE)
# [MODULE_DIR] # Put .swiftmodule, .swiftdoc., and .o
# # into this directory.
# [MODULE_NAME] # The module name.
# [INSTALL_IN_COMPONENT] # Install produced files.
# [EMBED_BITCODE] # Embed LLVM bitcode into the .o files
# [STATIC] # Also write .swiftmodule etc. to static
# # resource folder
# )
function(_compile_swift_files
dependency_target_out_var_name dependency_module_target_out_var_name
dependency_sib_target_out_var_name dependency_sibopt_target_out_var_name
dependency_sibgen_target_out_var_name)
cmake_parse_arguments(SWIFTFILE
"IS_MAIN;IS_STDLIB;IS_STDLIB_CORE;IS_SDK_OVERLAY;EMBED_BITCODE;STATIC;IS_FRAGILE;ONLY_SWIFTMODULE"
"OUTPUT;MODULE_NAME;INSTALL_IN_COMPONENT;DEPLOYMENT_VERSION_OSX;DEPLOYMENT_VERSION_IOS;DEPLOYMENT_VERSION_TVOS;DEPLOYMENT_VERSION_WATCHOS;MACCATALYST_BUILD_FLAVOR;BOOTSTRAPPING"
"SOURCES;FLAGS;DEPENDS;SDK;ARCHITECTURE;OPT_FLAGS;MODULE_DIR"
${ARGN})
# Check arguments.
list(LENGTH SWIFTFILE_OUTPUT num_outputs)
list(GET SWIFTFILE_OUTPUT 0 first_output)
precondition(num_outputs MESSAGE "OUTPUT must not be empty")
foreach(output ${SWIFTFILE_OUTPUT})
if (NOT IS_ABSOLUTE "${output}")
message(FATAL_ERROR "OUTPUT should be an absolute path")
endif()
endforeach()
if(SWIFTFILE_IS_MAIN AND SWIFTFILE_IS_STDLIB)
message(FATAL_ERROR "Cannot set both IS_MAIN and IS_STDLIB")
endif()
precondition(SWIFTFILE_SDK MESSAGE "Should specify an SDK")
precondition(SWIFTFILE_ARCHITECTURE MESSAGE "Should specify an architecture")
precondition(SWIFTFILE_INSTALL_IN_COMPONENT MESSAGE "INSTALL_IN_COMPONENT is required")
# Determine if/what macCatalyst build variant we are
get_maccatalyst_build_flavor(maccatalyst_build_flavor
"${SWIFTFILE_SDK}" "${SWIFTFILE_MACCATALYST_BUILD_FLAVOR}")
# Determine target triples
get_target_triple(target_triple ignored_target_variant_triple
"${SWIFTFILE_SDK}"
"${SWIFTFILE_ARCHITECTURE}"
DEPLOYMENT_VERSION "${SWIFT_SDK_${SWIFTFILE_SDK}_DEPLOYMENT_VERSION}")
get_target_triple(maccatalyst_target_triple ignored_target_variant_triple
"${SWIFTFILE_SDK}"
"${SWIFTFILE_ARCHITECTURE}"
DEPLOYMENT_VERSION "${SWIFT_SDK_${SWIFTFILE_SDK}_DEPLOYMENT_VERSION}"
MACCATALYST_BUILD_FLAVOR "${maccatalyst_build_flavor}")
# macCatalyst ios-like target triple
if(maccatalyst_build_flavor STREQUAL "ios-like")
set(target_triple "${maccatalyst_target_triple}")
endif()
if ("${SWIFTFILE_MODULE_NAME}" STREQUAL "")
get_filename_component(SWIFTFILE_MODULE_NAME "${first_output}" NAME_WE)
message(SEND_ERROR
"No module name specified; did you mean to use MODULE_NAME "
"${SWIFTFILE_MODULE_NAME}?")
endif()
set(source_files)
foreach(file ${SWIFTFILE_SOURCES})
# Determine where this file is.
get_filename_component(file_path ${file} PATH)
if(IS_ABSOLUTE "${file_path}")
list(APPEND source_files "${file}")
else()
list(APPEND source_files "${CMAKE_CURRENT_SOURCE_DIR}/${file}")
endif()
endforeach()
# Compute flags for the Swift compiler.
set(swift_flags)
set(swift_module_flags)
_add_target_variant_swift_compile_flags(
"${SWIFTFILE_SDK}"
"${SWIFTFILE_ARCHITECTURE}"
"${SWIFT_STDLIB_BUILD_TYPE}"
"${SWIFT_STDLIB_ASSERTIONS}"
swift_flags
DEPLOYMENT_VERSION_OSX ${SWIFTFILE_DEPLOYMENT_VERSION_OSX}
DEPLOYMENT_VERSION_IOS ${SWIFTFILE_DEPLOYMENT_VERSION_IOS}
DEPLOYMENT_VERSION_TVOS ${SWIFTFILE_DEPLOYMENT_VERSION_TVOS}
DEPLOYMENT_VERSION_WATCHOS ${SWIFTFILE_DEPLOYMENT_VERSION_WATCHOS}
MACCATALYST_BUILD_FLAVOR "${maccatalyst_build_flavor}"
)
if(SWIFTFILE_STATIC)
list(APPEND swift_flags -static)
endif()
# Determine the subdirectory where the binary should be placed.
set(library_subdir_sdk "${SWIFTFILE_SDK}")
if(maccatalyst_build_flavor STREQUAL "ios-like")
set(library_subdir_sdk "MACCATALYST")
endif()
compute_library_subdir(library_subdir
"${library_subdir_sdk}" "${SWIFTFILE_ARCHITECTURE}")
if(NOT "${SWIFT_NATIVE_CLANG_TOOLS_PATH}" STREQUAL "")
list(APPEND swift_flags "-tools-directory" "${SWIFT_NATIVE_CLANG_TOOLS_PATH}")
endif()
# If we have a custom module cache path, use it.
if (SWIFT_MODULE_CACHE_PATH)
list(APPEND swift_flags "-module-cache-path" "${SWIFT_MODULE_CACHE_PATH}")
endif()
# Don't include libarclite in any build products by default.
list(APPEND swift_flags "-no-link-objc-runtime")
if(SWIFT_SIL_VERIFY_ALL)
list(APPEND swift_flags "-Xfrontend" "-sil-verify-all")
endif()
if(SWIFT_SIL_VERIFY_ALL_MACOS_ONLY)
# Only add if we have a macOS build triple
if ("${SWIFTFILE_SDK}" STREQUAL "OSX" AND
"${SWIFTFILE_ARCHITECTURE}" STREQUAL "x86_64")
list(APPEND swift_flags "-Xfrontend" "-sil-verify-all")
endif()
endif()
# The standard library and overlays are built resiliently when SWIFT_STDLIB_STABLE_ABI=On.
if(SWIFTFILE_IS_STDLIB AND NOT SWIFTFILE_IS_FRAGILE AND SWIFT_STDLIB_STABLE_ABI)
list(APPEND swift_flags "-enable-library-evolution")
list(APPEND swift_flags "-library-level" "api")
list(APPEND swift_flags "-Xfrontend" "-require-explicit-availability=ignore")
endif()
if("${SWIFT_SDK_${SWIFTFILE_SDK}_THREADING_PACKAGE}" STREQUAL "none")
list(APPEND swift_flags "-Xfrontend" "-assume-single-threaded")
endif()
if(NOT SWIFT_ENABLE_STDLIBCORE_EXCLUSIVITY_CHECKING AND SWIFTFILE_IS_STDLIB)
list(APPEND swift_flags "-Xfrontend" "-enforce-exclusivity=unchecked")
endif()
if(SWIFT_EMIT_SORTED_SIL_OUTPUT)
list(APPEND swift_flags "-Xfrontend" "-emit-sorted-sil")
endif()
if(SWIFT_ENABLE_REFLECTION)
list(APPEND swift_flags "-D" "SWIFT_ENABLE_REFLECTION")
endif()
if("${SWIFT_STDLIB_REFLECTION_METADATA}" STREQUAL "enabled")
# do nothing, emitting reflection metadata is the default in swiftc
elseif("${SWIFT_STDLIB_REFLECTION_METADATA}" STREQUAL "debugger-only")
list(APPEND swift_flags "-Xfrontend" "-reflection-metadata-for-debugger-only")
elseif("${SWIFT_STDLIB_REFLECTION_METADATA}" STREQUAL "disabled")
list(APPEND swift_flags "-Xfrontend" "-disable-reflection-metadata")
else()
message(FATAL_ERROR "Invalid SWIFT_STDLIB_REFLECTION_METADATA value: ${SWIFT_STDLIB_REFLECTION_METADATA}")
endif()
if(NOT "${SWIFT_STDLIB_TRAP_FUNCTION}" STREQUAL "")
list(APPEND swift_flags "-Xfrontend" "-trap-function" "-Xfrontend" "${SWIFT_STDLIB_TRAP_FUNCTION}")
endif()
# FIXME: Cleaner way to do this?
if(SWIFTFILE_IS_STDLIB_CORE)
list(APPEND swift_flags
"-nostdimport" "-parse-stdlib" "-module-name" "Swift")
list(APPEND swift_flags "-Xfrontend" "-group-info-path"
"-Xfrontend" "${GROUP_INFO_JSON_FILE}")
else()
list(APPEND swift_flags "-module-name" "${SWIFTFILE_MODULE_NAME}")
endif()
# Force swift 5 mode for Standard Library and overlays.
if (SWIFTFILE_IS_STDLIB)
list(APPEND swift_flags "-swift-version" "5")
endif()
if (SWIFTFILE_IS_SDK_OVERLAY)
list(APPEND swift_flags "-swift-version" "5")
endif()
if(SWIFTFILE_IS_SDK_OVERLAY)
list(APPEND swift_flags "-autolink-force-load")
endif()
# Don't need to link runtime compatibility libraries for older runtimes
# into the new runtime.
if (SWIFTFILE_IS_STDLIB OR SWIFTFILE_IS_SDK_OVERLAY)
list(APPEND swift_flags "-runtime-compatibility-version" "none")
list(APPEND swift_flags "-disable-autolinking-runtime-compatibility-dynamic-replacements")
list(APPEND swift_flags "-Xfrontend" "-disable-autolinking-runtime-compatibility-concurrency")
endif()
if(NOT SWIFT_STDLIB_SHORT_MANGLING_LOOKUPS)
list(APPEND swift_flags "-Xfrontend" "-disable-standard-substitutions-in-reflection-mangling")
endif()
if (SWIFTFILE_IS_STDLIB_CORE OR SWIFTFILE_IS_SDK_OVERLAY)
list(APPEND swift_flags "-warn-swift3-objc-inference-complete")
endif()
if(NOT SWIFT_STDLIB_ENABLE_OBJC_INTEROP)
list(APPEND swift_flags "-Xfrontend" "-disable-objc-interop")
endif()
if(SWIFT_STDLIB_EXPERIMENTAL_HERMETIC_SEAL_AT_LINK)
list(APPEND swift_flags "-experimental-hermetic-seal-at-link")
endif()
if(SWIFT_STDLIB_EXPERIMENTAL_NONCOPYABLE_GENERICS)
list(APPEND swift_flags "-enable-experimental-feature" "NoncopyableGenerics")
endif()
if (SWIFT_STDLIB_USE_RELATIVE_PROTOCOL_WITNESS_TABLES)
list(APPEND swift_flags "-Xfrontend" "-enable-relative-protocol-witness-tables")
list(APPEND swift_flags "-Xfrontend" "-swift-async-frame-pointer=never")
endif()
if(SWIFT_STDLIB_DISABLE_INSTANTIATION_CACHES)
list(APPEND swift_flags "-Xfrontend" "-disable-preallocated-instantiation-caches")
endif()
list(APPEND swift_flags ${SWIFT_STDLIB_EXTRA_SWIFT_COMPILE_FLAGS})
list(APPEND swift_flags ${SWIFT_EXPERIMENTAL_EXTRA_FLAGS})
if(SWIFTFILE_OPT_FLAGS)
list(APPEND swift_flags ${SWIFTFILE_OPT_FLAGS})
endif()
list(APPEND swift_flags ${SWIFTFILE_FLAGS})
set(dirs_to_create)
foreach(output ${SWIFTFILE_OUTPUT})
get_filename_component(objdir "${output}" PATH)
list(APPEND dirs_to_create "${objdir}")
endforeach()
set(module_file)
set(module_file_static)
set(module_doc_file)
set(module_doc_file_static)
set(interface_file)
set(interface_file_static)
get_bootstrapping_path(lib_dir ${SWIFTLIB_DIR} "${SWIFTFILE_BOOTSTRAPPING}")
if(NOT SWIFTFILE_IS_MAIN)
# Determine the directory where the module file should be placed.
if(SWIFTFILE_MODULE_DIR)
set(module_dir "${SWIFTFILE_MODULE_DIR}")
elseif(SWIFTFILE_IS_STDLIB)
set(module_dir "${lib_dir}/${library_subdir}")
else()
message(FATAL_ERROR "Don't know where to put the module files")
endif()
list(APPEND swift_flags "-parse-as-library")
set(module_base "${module_dir}/${SWIFTFILE_MODULE_NAME}")
set(module_dir_static "${SWIFTSTATICLIB_DIR}/${library_subdir}")
set(module_base_static "${module_dir_static}/${SWIFTFILE_MODULE_NAME}")
set(module_triple ${SWIFT_SDK_${library_subdir_sdk}_ARCH_${SWIFTFILE_ARCHITECTURE}_MODULE})
set(specific_module_dir "${module_base}.swiftmodule")
set(module_base "${module_base}.swiftmodule/${module_triple}")
set(specific_module_dir_static "${module_base_static}.swiftmodule")
set(module_base_static "${module_base_static}.swiftmodule/${module_triple}")
set(module_file "${module_base}.swiftmodule")
set(module_doc_file "${module_base}.swiftdoc")
set(module_file_static "${module_base_static}.swiftmodule")
set(module_doc_file_static "${module_base_static}.swiftdoc")
# FIXME: These don't really belong inside the swiftmodule, but there's not
# an obvious alternate place to put them.
set(sib_file "${module_base}.Onone.sib")
set(sibopt_file "${module_base}.O.sib")
set(sibgen_file "${module_base}.sibgen")
if(SWIFT_ENABLE_MODULE_INTERFACES AND NOT SWIFTFILE_IS_FRAGILE)
set(interface_file "${module_base}.swiftinterface")
set(interface_file_static "${module_base_static}.swiftinterface")
set(private_interface_file "${module_base}.private.swiftinterface")
set(private_interface_file_static "${module_base_static}.private.swiftinterface")
list(APPEND swift_module_flags
"-emit-module-interface-path" "${interface_file}"
"-emit-private-module-interface-path" "${private_interface_file}")
endif()
if(SWIFT_STDLIB_EMIT_API_DESCRIPTORS AND NOT SWIFTFILE_IS_FRAGILE)
set(api_descriptor_file "${module_base}.api.json")
list(APPEND swift_module_flags
"-emit-api-descriptor-path" "${api_descriptor_file}")
endif()
if (NOT SWIFTFILE_IS_STDLIB_CORE)
list(APPEND swift_module_flags
"-Xfrontend" "-experimental-skip-non-inlinable-function-bodies")
endif()
set(module_outputs "${module_file}" "${module_doc_file}")
if(interface_file)
list(APPEND module_outputs "${interface_file}" "${private_interface_file}")
endif()
set(optional_arg)
if(SWIFTFILE_SDK IN_LIST SWIFT_DARWIN_PLATFORMS OR
SWIFTFILE_SDK STREQUAL "MACCATALYST")
# Allow installation of stdlib without building all variants on Darwin.
set(optional_arg "OPTIONAL")
endif()
swift_install_in_component(DIRECTORY "${specific_module_dir}"
DESTINATION "lib${LLVM_LIBDIR_SUFFIX}/swift/${library_subdir}"
COMPONENT "${SWIFTFILE_INSTALL_IN_COMPONENT}")
if(SWIFTFILE_STATIC)
swift_install_in_component(DIRECTORY "${specific_module_dir_static}"
DESTINATION "lib${LLVM_LIBDIR_SUFFIX}/swift_static/${library_subdir}"
COMPONENT "${SWIFTFILE_INSTALL_IN_COMPONENT}")
endif()
# macCatalyst zippered module setup
if(maccatalyst_build_flavor STREQUAL "zippered")
compute_library_subdir(maccatalyst_library_subdir
"MACCATALYST" "${SWIFTFILE_ARCHITECTURE}")
if(SWIFTFILE_MODULE_DIR)
set(maccatalyst_module_dir "${SWIFTFILE_MODULE_DIR}")
elseif(SWIFTFILE_IS_STDLIB)
set(maccatalyst_module_dir "${lib_dir}/${maccatalyst_library_subdir}")
else()
message(FATAL_ERROR "Don't know where to put the module files")
endif()
set(maccatalyst_specific_module_dir
"${maccatalyst_module_dir}/${SWIFTFILE_MODULE_NAME}.swiftmodule")
set(maccatalyst_module_triple ${SWIFT_SDK_MACCATALYST_ARCH_${SWIFTFILE_ARCHITECTURE}_MODULE})
set(maccatalyst_module_base "${maccatalyst_specific_module_dir}/${maccatalyst_module_triple}")
set(maccatalyst_module_file "${maccatalyst_module_base}.swiftmodule")
set(maccatalyst_module_doc_file "${maccatalyst_module_base}.swiftdoc")
set(maccatalyst_module_outputs "${maccatalyst_module_file}" "${maccatalyst_module_doc_file}")
if(SWIFT_ENABLE_MODULE_INTERFACES AND NOT SWIFTFILE_IS_FRAGILE)
set(maccatalyst_interface_file "${maccatalyst_module_base}.swiftinterface")
set(maccatalyst_private_interface_file "${maccatalyst_module_base}.private.swiftinterface")
list(APPEND maccatalyst_module_outputs "${maccatalyst_interface_file}" "${maccatalyst_private_interface_file}")
else()
set(maccatalyst_interface_file)
set(maccatalyst_private_interface_file)
endif()
if(SWIFT_STDLIB_EMIT_API_DESCRIPTORS AND NOT SWIFTFILE_IS_FRAGILE)
set(maccatalyst_api_descriptor_file "${maccatalyst_module_base}.api.json")
list(APPEND maccatalyst_module_outputs "${maccatalyst_api_descriptor_file}")
else()
set(maccatalyst_api_descriptor_file)
endif()
swift_install_in_component(DIRECTORY ${maccatalyst_specific_module_dir}
DESTINATION "lib${LLVM_LIBDIR_SUFFIX}/swift/${maccatalyst_library_subdir}"
COMPONENT "${SWIFTFILE_INSTALL_IN_COMPONENT}"
"${optional_arg}")
endif()
# If we have extra regexp flags, check if we match any of the regexps. If so
# add the relevant flags to our swift_flags.
if (SWIFT_EXPERIMENTAL_EXTRA_REGEXP_FLAGS OR SWIFT_EXPERIMENTAL_EXTRA_NEGATIVE_REGEXP_FLAGS)
set(extra_swift_flags_for_module)
_add_extra_swift_flags_for_module("${SWIFTFILE_MODULE_NAME}" extra_swift_flags_for_module)
if (extra_swift_flags_for_module)
list(APPEND swift_flags ${extra_swift_flags_for_module})
endif()
endif()
endif()
set(module_outputs "${module_file}" "${module_doc_file}")
set(module_outputs_static "${module_file_static}" "${module_doc_file_static}")
if(interface_file)
list(APPEND module_outputs "${interface_file}" "${private_interface_file}")
list(APPEND module_outputs_static "${interface_file_static}" "${private_interface_file_static}")
endif()
if(api_descriptor_file)
list(APPEND module_outputs "${api_descriptor_file}")
endif()
swift_install_in_component(DIRECTORY "${specific_module_dir}"
DESTINATION "lib${LLVM_LIBDIR_SUFFIX}/swift/${library_subdir}"
COMPONENT "${SWIFTFILE_INSTALL_IN_COMPONENT}"
OPTIONAL
PATTERN "Project" EXCLUDE)
if(SWIFTFILE_STATIC)
swift_install_in_component(DIRECTORY "${specific_module_dir_static}"
DESTINATION "lib${LLVM_LIBDIR_SUFFIX}/swift_static/${library_subdir}"
COMPONENT "${SWIFTFILE_INSTALL_IN_COMPONENT}"
OPTIONAL
PATTERN "Project" EXCLUDE)
endif()
set(line_directive_tool "${SWIFT_SOURCE_DIR}/utils/line-directive")
if(CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows")
set(HOST_EXECUTABLE_SUFFIX .exe)
endif()
if(SWIFT_BUILD_RUNTIME_WITH_HOST_COMPILER)
if(SWIFT_PREBUILT_SWIFT)
set(swift_compiler_tool "${SWIFT_NATIVE_SWIFT_TOOLS_PATH}/swiftc${HOST_EXECUTABLE_SUFFIX}")
elseif(CMAKE_Swift_COMPILER)
set(swift_compiler_tool "${CMAKE_Swift_COMPILER}")
else()
message(ERROR "Must pass in prebuilt tools using SWIFT_NATIVE_SWIFT_TOOLS_PATH or set CMAKE_Swift_COMPILER")
endif()
else()
set(swift_compiler_tool "${SWIFT_NATIVE_SWIFT_TOOLS_PATH}/swiftc${HOST_EXECUTABLE_SUFFIX}")
get_bootstrapping_path(swift_compiler_tool
"${SWIFT_NATIVE_SWIFT_TOOLS_PATH}/swiftc${HOST_EXECUTABLE_SUFFIX}"
"${SWIFTFILE_BOOTSTRAPPING}")
if(NOT "${SWIFTFILE_BOOTSTRAPPING}" STREQUAL "")
set(target_suffix "-bootstrapping${SWIFTFILE_BOOTSTRAPPING}")
endif()
if(NOT BUILD_STANDALONE)
list(APPEND swift_flags "-resource-dir" "${lib_dir}")
endif()
endif()
set(swift_compiler_tool_dep)
if(SWIFT_INCLUDE_TOOLS)
# Depend on the binary itself, in addition to the symlink.
set(swift_compiler_tool_dep "swift-frontend${target_suffix}")
endif()
# If there are more than one output files, we assume that they are specified
# otherwise e.g. with an output file map.
set(output_option)
if (${num_outputs} EQUAL 1)
set(output_option "-o" ${first_output})
endif()
set(embed_bitcode_option)
if (SWIFTFILE_EMBED_BITCODE)
set(embed_bitcode_option "-embed-bitcode")
endif()
set(main_command "-c")
if (SWIFT_CHECK_INCREMENTAL_COMPILATION)
set(swift_compiler_tool "${SWIFT_SOURCE_DIR}/utils/check-incremental" "${swift_compiler_tool}")
endif()
set(custom_env "PYTHONIOENCODING=UTF8")
if(SWIFTFILE_IS_STDLIB OR
# Linux "hosttools" build require builder's runtime before building the runtime.
(BOOTSTRAPPING_MODE STREQUAL "HOSTTOOLS" AND SWIFT_HOST_VARIANT_SDK MATCHES "LINUX|ANDROID|OPENBSD|FREEBSD")
)
get_bootstrapping_swift_lib_dir(bs_lib_dir "${SWIFTFILE_BOOTSTRAPPING}")
if(bs_lib_dir)
# When building the stdlib with bootstrapping, the compiler needs
# to pick up the stdlib from the previous bootstrapping stage, because the
# stdlib in the current stage is not built yet.
if(SWIFT_HOST_VARIANT_SDK IN_LIST SWIFT_APPLE_PLATFORMS)
list(APPEND custom_env "DYLD_LIBRARY_PATH=${bs_lib_dir}")
elseif(SWIFT_HOST_VARIANT_SDK MATCHES "LINUX|ANDROID|OPENBSD|FREEBSD")
list(APPEND custom_env "LD_LIBRARY_PATH=${bs_lib_dir}")
endif()
endif()
endif()
set(set_environment_args "${CMAKE_COMMAND}" "-E" "env" "${custom_env}")
if (SWIFT_REPORT_STATISTICS)
list(GET dirs_to_create 0 first_obj_dir)
list(APPEND swift_flags "-stats-output-dir" ${first_obj_dir})
endif()
set(standard_outputs ${SWIFTFILE_OUTPUT})
set(sib_outputs "${sib_file}")
set(sibopt_outputs "${sibopt_file}")
set(sibgen_outputs "${sibgen_file}")
# macCatalyst zippered swiftmodule
if(maccatalyst_build_flavor STREQUAL "zippered")
set(maccatalyst_swift_flags "${swift_flags}")
list(APPEND maccatalyst_swift_flags
"-I" "${lib_dir}/${maccatalyst_library_subdir}")
set(maccatalyst_swift_module_flags ${swift_module_flags})
# Remove original interface file
list(FIND maccatalyst_swift_module_flags "${interface_file}" interface_file_index)
if(NOT interface_file_index EQUAL -1)
list(INSERT maccatalyst_swift_module_flags ${interface_file_index} "${maccatalyst_interface_file}")
math(EXPR old_interface_file_index "${interface_file_index} + 1")
list(REMOVE_AT maccatalyst_swift_module_flags ${old_interface_file_index})
endif()
# Remove original private interface
list(FIND maccatalyst_swift_module_flags "${private_interface_file}" private_interface_file_index)
if(NOT private_interface_file_index EQUAL -1)
list(INSERT maccatalyst_swift_module_flags ${private_interface_file_index} "${maccatalyst_private_interface_file}")
math(EXPR old_interface_file_index "${private_interface_file_index} + 1")
list(REMOVE_AT maccatalyst_swift_module_flags ${old_interface_file_index})
endif()
# Remove original api descriptor
list(FIND maccatalyst_swift_module_flags "${api_descriptor_file}" api_descriptor_file_index)
if(NOT api_descriptor_file_index EQUAL -1)
list(INSERT maccatalyst_swift_module_flags ${api_descriptor_file_index} "${maccatalyst_api_descriptor_file}")
math(EXPR old_api_descriptor_file_index "${api_descriptor_file_index} + 1")
list(REMOVE_AT maccatalyst_swift_module_flags ${old_api_descriptor_file_index})
endif()
# We still need to change the main swift flags
# so we can use the correct modules
# when building for macOS
list(APPEND swift_flags
"-I" "${lib_dir}/${library_subdir}")
elseif(maccatalyst_build_flavor STREQUAL "ios-like")
compute_library_subdir(maccatalyst_library_subdir
"MACCATALYST" "${SWIFTFILE_ARCHITECTURE}")
list(APPEND swift_flags
"-I" "${lib_dir}/${maccatalyst_library_subdir}")
else()
# Allow import of other Swift modules we just built.
list(APPEND swift_flags
"-I" "${lib_dir}/${library_subdir}")
# FIXME: should we use '-resource-dir' here? Seems like it has no advantage
# over '-I' in this case.
endif()
if(XCODE)
# HACK: work around an issue with CMake Xcode generator and the Swift
# driver.
#
# The Swift driver does not update the mtime of the output files if the
# existing output files on disk are identical to the ones that are about
# to be written. This behavior confuses the makefiles used in CMake Xcode
# projects: the makefiles will not consider everything up to date after
# invoking the compiler. As a result, the standard library gets rebuilt
# multiple times during a single build.
#
# To work around this issue we touch the output files so that their mtime
# always gets updated.
set(command_touch_standard_outputs
COMMAND "${CMAKE_COMMAND}" -E touch ${standard_outputs})
set(command_touch_module_outputs
COMMAND "${CMAKE_COMMAND}" -E touch ${module_outputs})
set(command_touch_sib_outputs
COMMAND "${CMAKE_COMMAND}" -E touch ${sib_outputs})
set(command_touch_sibopt_outputs
COMMAND "${CMAKE_COMMAND}" -E touch ${sibopt_outputs})
set(command_touch_sibgen_outputs
COMMAND "${CMAKE_COMMAND}" -E touch ${sibgen_outputs})
# macCatalyst zippered outputs
if(maccatalyst_build_flavor STREQUAL "zippered")
set(command_touch_maccatalyst_module_outputs
COMMAND "${CMAKE_COMMAND}" -E touch ${maccatalyst_module_outputs})
endif()
endif()
list(REMOVE_DUPLICATES dirs_to_create)
# Then we can compile both the object files and the swiftmodule files
# in parallel in this target for the object file, and ...
# Windows doesn't support long command line paths, of 8191 chars or over. We
# need to work around this by avoiding long command line arguments. This can
# be achieved by writing the list of file paths to a file, then reading that
# list in the Python script.
string(REPLACE ";" "'\n'" source_files_quoted "${source_files}")
string(SHA1 file_name "'${source_files_quoted}'")
set(file_path_target "filelist-${file_name}")
set(file_path "${CMAKE_CURRENT_BINARY_DIR}/${file_name}.txt")
if (NOT TARGET ${file_path_target})
file(WRITE "${file_path}.tmp" "'${source_files_quoted}'")
add_custom_command_target(unused_var
COMMAND ${CMAKE_COMMAND} -E copy_if_different "${file_path}.tmp" "${file_path}"
CUSTOM_TARGET_NAME ${file_path_target}
OUTPUT "${file_path}"
DEPENDS "${file_path}.tmp")
endif()
# If this platform/architecture combo supports backward deployment to old
# Objective-C runtimes, we need to copy a YAML file with legacy type layout
# information to the build directory so that the compiler can find it.
#
# See stdlib/CMakeLists.txt and TypeConverter::TypeConverter() in
# lib/IRGen/GenType.cpp.
if(SWIFTFILE_IS_STDLIB_CORE AND SWIFT_STDLIB_SUPPORT_BACK_DEPLOYMENT)
set(SWIFTFILE_PLATFORM "${SWIFT_SDK_${SWIFTFILE_SDK}_LIB_SUBDIR}")
set(copy_legacy_layouts_dep
"copy-legacy-layouts-${SWIFTFILE_PLATFORM}-${SWIFTFILE_ARCHITECTURE}${target_suffix}")
else()
set(copy_legacy_layouts_dep)
endif()
if(NOT SWIFTFILE_ONLY_SWIFTMODULE)
add_custom_command_target(