forked from zephyrproject-rtos/zephyr
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathCMakeLists.txt
2192 lines (1925 loc) · 82.1 KB
/
CMakeLists.txt
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
# SPDX-License-Identifier: Apache-2.0
# *DOCUMENTATION*
#
# Note that this is *NOT* the top-level CMakeLists.txt. That's in the
# application. See the Application Development Primer documentation
# for details.
#
# To see a list of typical targets execute "make usage"
# More info can be located in ./README.rst
# Comments in this file are targeted only to the developer, do not
# expect to learn how to build the kernel reading this file.
if(NOT DEFINED ZEPHYR_BINARY_DIR)
message(FATAL_ERROR "A user error has occurred.
cmake was invoked with '${CMAKE_CURRENT_LIST_DIR}' specified as the source directory,
but it must be invoked with an application source directory,
such as '${CMAKE_CURRENT_LIST_DIR}/samples/hello_world'.
Debug variables:
CMAKE_CACHEFILE_DIR: ${CMAKE_CACHEFILE_DIR}
")
endif()
# See https://gitlab.kitware.com/cmake/cmake/issues/16228
# and https://cmake.org/pipermail/cmake/2019-May/thread.html#69496
if(NOT ZEPHYR_BASE STREQUAL CMAKE_CURRENT_SOURCE_DIR)
message(WARNING "ZEPHYR_BASE doesn't match CMAKE_CURRENT_SOURCE_DIR
ZEPHYR_BASE = ${ZEPHYR_BASE}
PWD = $ENV{PWD}
CMAKE_CURRENT_SOURCE_DIR = ${CMAKE_CURRENT_SOURCE_DIR}
You may be using a mix of symbolic links and real paths which causes \
subtle and hard to debug CMake issues.")
endif()
# For Zephyr more specifically this breaks (at least)
# -fmacro-prefix-map=${ZEPHYR_BASE}=
# In some cases the "final" things are not used at all and "_prebuilt"
# is the last station. See "logical_target_for_zephyr_elf" below for
# details.
set(CMAKE_EXECUTABLE_SUFFIX .elf)
# Zephyr build system will use a dynamic number of linking stages based on build
# configuration.
#
# Currently up to three linking stages may be executed:
# zephyr_pre0: First linking stage
# zephyr_pre1: Second linking stage
# zephyr_final: Final linking stage
#
# There will at minimum be a single linking stage.
# When only a single linking stage is required, the `zephyr_pre0` will be mapped
# into the `zephyr_final` target.
#
# Multiple linking stages are required in the following cases:
# - device dependencies structs must be generated (CONFIG_DEVICE_DEPS=y)
# - ISR tables must be generated (CONFIG_GEN_ISR_TABLES=y)
# - Kernel objects hash tables (CONFIG_USERSPACE=y)
# - Application memory partitions (CONFIG_USERSPACE=y)
#
# Some generators require that memory locations has been fixed, thus those are
# placed at the second linking stage.
#
# When all three linking stages are active, then the following properties applies:
# - zephyr_pre0: linker sections may resize / addresses may relocate
# - zephyr_pre1: All linker section sizes are fixed, addresses cannot change
# - zephyr_final: Final image.
#
set(ZEPHYR_CURRENT_LINKER_PASS 0)
set(ZEPHYR_CURRENT_LINKER_CMD linker_zephyr_pre${ZEPHYR_CURRENT_LINKER_PASS}.cmd)
set(ZEPHYR_LINK_STAGE_EXECUTABLE zephyr_pre${ZEPHYR_CURRENT_LINKER_PASS})
# ZEPHYR_PREBUILT_EXECUTABLE is used outside of this file, therefore keep the
# existing variable to allow slowly cleanup of linking stage handling.
# Three stage linking active: pre0 -> pre1 -> final, this will correspond to `pre1`
# Two stage linking active: pre0 -> final, this will correspond to `pre0`
if(CONFIG_USERSPACE OR CONFIG_DEVICE_DEPS)
set(ZEPHYR_PREBUILT_EXECUTABLE zephyr_pre1)
else()
set(ZEPHYR_PREBUILT_EXECUTABLE zephyr_pre0)
endif()
set(ZEPHYR_FINAL_EXECUTABLE zephyr_final)
# Set some phony targets to collect dependencies
set(OFFSETS_H_TARGET offsets_h)
set(SYSCALL_LIST_H_TARGET syscall_list_h_target)
set(DRIVER_VALIDATION_H_TARGET driver_validation_h_target)
set(KOBJ_TYPES_H_TARGET kobj_types_h_target)
set(PARSE_SYSCALLS_TARGET parse_syscalls_target)
define_property(GLOBAL PROPERTY PROPERTY_OUTPUT_FORMAT BRIEF_DOCS " " FULL_DOCS " ")
set_property( GLOBAL PROPERTY PROPERTY_OUTPUT_FORMAT elf32-little${ARCH}) # BFD format
# Contains the list of files with syscall function prototypes.
add_library(syscalls_interface INTERFACE)
set(syscalls_file_list_output
${CMAKE_CURRENT_BINARY_DIR}/misc/generated/syscalls_file_list.txt)
# "zephyr_interface" is a source-less library that encapsulates all the global
# compiler options needed by all source files. All zephyr libraries,
# including the library named "zephyr" link with this library to
# obtain these flags.
# https://cmake.org/cmake/help/latest/manual/cmake-buildsystem.7.html#interface-libraries
add_library(zephyr_interface INTERFACE)
# "zephyr" is a catch-all CMake library for source files that can be
# built purely with the include paths, defines, and other compiler
# flags that come with zephyr_interface.
zephyr_library_named(zephyr)
if(CONFIG_LEGACY_GENERATED_INCLUDE_PATH)
zephyr_include_directories(${PROJECT_BINARY_DIR}/include/generated/zephyr)
endif()
zephyr_include_directories(
include
${PROJECT_BINARY_DIR}/include/generated
${USERINCLUDE}
${STDINCLUDE}
)
include(${ZEPHYR_BASE}/cmake/linker_script/${ARCH}/linker.cmake OPTIONAL)
zephyr_include_directories(${SOC_FULL_DIR})
# Don't inherit compiler flags from the environment
foreach(var AFLAGS CFLAGS CXXFLAGS CPPFLAGS LDFLAGS)
if(DEFINED ENV{${var}})
message(WARNING "The environment variable '${var}' was set to $ENV{${var}}, "
"but Zephyr ignores flags from the environment. Use 'cmake "
"-DEXTRA_${var}=$ENV{${var}}' instead."
)
unset(ENV{${var}})
endif()
endforeach()
zephyr_compile_definitions(
KERNEL
__ZEPHYR__=1
)
# Ensure that include/zephyr/toolchain.h includes toolchain/other.h for all off-tree toolchains
if(TOOLCHAIN_USE_CUSTOM)
zephyr_compile_definitions(__TOOLCHAIN_CUSTOM__)
endif()
# @Intent: Set compiler specific flag for disabling strict aliasing rule
zephyr_compile_options($<$<COMPILE_LANGUAGE:C>:$<TARGET_PROPERTY:compiler,no_strict_aliasing>>)
zephyr_compile_options($<$<COMPILE_LANGUAGE:CXX>:$<TARGET_PROPERTY:compiler-cpp,no_strict_aliasing>>)
# Extra warnings options for twister run
if (CONFIG_COMPILER_WARNINGS_AS_ERRORS)
zephyr_compile_options($<$<COMPILE_LANGUAGE:C>:$<TARGET_PROPERTY:compiler,warnings_as_errors>>)
zephyr_compile_options($<$<COMPILE_LANGUAGE:ASM>:$<TARGET_PROPERTY:asm,warnings_as_errors>>)
zephyr_link_libraries($<TARGET_PROPERTY:linker,warnings_as_errors>)
endif()
# @Intent: Set compiler flags to enable buffer overflow checks in libc functions
# @details:
# Kconfig.zephyr "Detect buffer overflows in libc calls" is a kconfig choice,
# ensuring at most *one* of CONFIG_FORTIFY_SOURCE_{COMPILE_TIME,RUN_TIME} is
# set. Refer to Kconfig.zephyr for selection logic and description of these
# choices. Toolchains set both of the security_fortify_{compile_time,run_time}
# properties and the Kconfig settings are used here to select between those.
#
if(CONFIG_FORTIFY_SOURCE_RUN_TIME)
zephyr_compile_definitions($<TARGET_PROPERTY:compiler,security_fortify_run_time> )
elseif(CONFIG_FORTIFY_SOURCE_COMPILE_TIME)
zephyr_compile_definitions($<TARGET_PROPERTY:compiler,security_fortify_compile_time> )
endif()
# @Intent: Set compiler flags to detect general stack overflows across all functions
if(CONFIG_STACK_CANARIES)
zephyr_compile_options($<TARGET_PROPERTY:compiler,security_canaries>)
endif()
# @Intent: Obtain compiler optimizations flags and store in variables
# @details:
# Kconfig.zephyr "Optimization level" is a kconfig choice, ensuring
# only *one* of CONFIG_{NO,DEBUG,SPEED,SIZE}_OPTIMIZATIONS is set.
# Refer to Kconfig.zephyr for selection logic and description of these choices.
# toolchain_cc_optimize_*() macros must provide the mapping from these kconfigs
# to compiler flags. Each macro will store the flags in a CMake variable, whose
# name is passed as argument (somewhat like by reference).
#
# If the user wants to tweak the optimizations, there are two ways:
# 1) Using EXTRA_CFLAGS which is applied regardless of kconfig choice, or
# 2) Rely on override support being implemented by your toolchain_cc_optimize_*()
#
get_property(OPTIMIZE_FOR_NO_OPTIMIZATIONS_FLAG TARGET compiler PROPERTY no_optimization)
get_property(OPTIMIZE_FOR_DEBUG_FLAG TARGET compiler PROPERTY optimization_debug)
get_property(OPTIMIZE_FOR_SPEED_FLAG TARGET compiler PROPERTY optimization_speed)
get_property(OPTIMIZE_FOR_SIZE_FLAG TARGET compiler PROPERTY optimization_size)
get_property(OPTIMIZE_FOR_SIZE_AGGRESSIVE_FLAG TARGET compiler PROPERTY optimization_size_aggressive)
# From kconfig choice, pick the actual OPTIMIZATION_FLAG to use.
# Kconfig choice ensures only one of these CONFIG_*_OPTIMIZATIONS is set.
if(CONFIG_NO_OPTIMIZATIONS)
set(OPTIMIZATION_FLAG ${OPTIMIZE_FOR_NO_OPTIMIZATIONS_FLAG})
elseif(CONFIG_DEBUG_OPTIMIZATIONS)
set(OPTIMIZATION_FLAG ${OPTIMIZE_FOR_DEBUG_FLAG})
elseif(CONFIG_SPEED_OPTIMIZATIONS)
set(OPTIMIZATION_FLAG ${OPTIMIZE_FOR_SPEED_FLAG})
elseif(CONFIG_SIZE_OPTIMIZATIONS)
set(OPTIMIZATION_FLAG ${OPTIMIZE_FOR_SIZE_FLAG}) # Default in kconfig
elseif(CONFIG_SIZE_OPTIMIZATIONS_AGGRESSIVE)
set(OPTIMIZATION_FLAG ${OPTIMIZE_FOR_SIZE_AGGRESSIVE_FLAG})
else()
message(FATAL_ERROR
"Unreachable code. Expected optimization level to have been chosen. See Kconfig.zephyr")
endif()
if(NOT CONFIG_ARCH_IS_SET)
message(WARNING "\
None of the CONFIG_<arch> (e.g. CONFIG_X86) symbols are set. \
Select one of them from the SOC_SERIES_* symbol or, lacking that, from the \
SOC_* symbol.")
endif()
# Apply the final optimization flag(s)
zephyr_compile_options(${OPTIMIZATION_FLAG})
if(CONFIG_LTO)
zephyr_compile_options($<TARGET_PROPERTY:compiler,optimization_lto>)
add_link_options($<TARGET_PROPERTY:linker,lto_arguments>)
endif()
if(CONFIG_STD_C23)
set(CSTD c2x)
elseif(CONFIG_STD_C17)
set(CSTD c17)
elseif(CONFIG_STD_C11)
set(CSTD c11)
elseif(CONFIG_STD_C99)
set(CSTD c99)
elseif(CONFIG_STD_C90)
set(CSTD c90)
else()
message(FATAL_ERROR "Unreachable code. Expected C standard to have been chosen.")
endif()
if(CONFIG_GNU_C_EXTENSIONS)
string(REPLACE "c" "gnu" CSTD "${CSTD}")
endif()
list(APPEND CMAKE_C_COMPILE_FEATURES ${compile_features_${CSTD}})
# @Intent: Obtain compiler specific flags related to C++ that are not influenced by kconfig
zephyr_compile_options($<$<COMPILE_LANGUAGE:CXX>:$<TARGET_PROPERTY:compiler-cpp,required>>)
# @Intent: Obtain compiler specific flags for compiling under different ISO standards of C++
if(CONFIG_CPP)
# From kconfig choice, pick a single dialect.
# Kconfig choice ensures only one of these CONFIG_STD_CPP* is set.
if(CONFIG_STD_CPP98)
set(STD_CPP_DIALECT_FLAGS $<TARGET_PROPERTY:compiler-cpp,dialect_cpp98>)
list(APPEND CMAKE_CXX_COMPILE_FEATURES ${compile_features_cpp98})
elseif(CONFIG_STD_CPP11)
set(STD_CPP_DIALECT_FLAGS $<TARGET_PROPERTY:compiler-cpp,dialect_cpp11>) # Default in kconfig
list(APPEND CMAKE_CXX_COMPILE_FEATURES ${compile_features_cpp11})
elseif(CONFIG_STD_CPP14)
set(STD_CPP_DIALECT_FLAGS $<TARGET_PROPERTY:compiler-cpp,dialect_cpp14>)
list(APPEND CMAKE_CXX_COMPILE_FEATURES ${compile_features_cpp14})
elseif(CONFIG_STD_CPP17)
set(STD_CPP_DIALECT_FLAGS $<TARGET_PROPERTY:compiler-cpp,dialect_cpp17>)
list(APPEND CMAKE_CXX_COMPILE_FEATURES ${compile_features_cpp17})
elseif(CONFIG_STD_CPP2A)
set(STD_CPP_DIALECT_FLAGS $<TARGET_PROPERTY:compiler-cpp,dialect_cpp2a>)
list(APPEND CMAKE_CXX_COMPILE_FEATURES ${compile_features_cpp20})
elseif(CONFIG_STD_CPP20)
set(STD_CPP_DIALECT_FLAGS $<TARGET_PROPERTY:compiler-cpp,dialect_cpp20>)
list(APPEND CMAKE_CXX_COMPILE_FEATURES ${compile_features_cpp20})
elseif(CONFIG_STD_CPP2B)
set(STD_CPP_DIALECT_FLAGS $<TARGET_PROPERTY:compiler-cpp,dialect_cpp2b>)
list(APPEND CMAKE_CXX_COMPILE_FEATURES ${compile_features_cpp20})
else()
message(FATAL_ERROR
"Unreachable code. Expected C++ standard to have been chosen. See Kconfig.zephyr.")
endif()
set(CMAKE_CXX_COMPILE_FEATURES ${CMAKE_CXX_COMPILE_FEATURES} PARENT_SCOPE)
zephyr_compile_options($<$<COMPILE_LANGUAGE:CXX>:${STD_CPP_DIALECT_FLAGS}>)
endif()
if(NOT CONFIG_CPP_EXCEPTIONS)
# @Intent: Obtain compiler specific flags related to C++ Exceptions
zephyr_compile_options($<$<COMPILE_LANGUAGE:CXX>:$<TARGET_PROPERTY:compiler-cpp,no_exceptions>>)
endif()
if(NOT CONFIG_CPP_RTTI)
# @Intent: Obtain compiler specific flags related to C++ Run Time Type Information
zephyr_compile_options($<$<COMPILE_LANGUAGE:CXX>:$<TARGET_PROPERTY:compiler-cpp,no_rtti>>)
endif()
if(CONFIG_MISRA_SANE)
# @Intent: Obtain toolchain compiler flags relating to MISRA.
zephyr_compile_options($<$<COMPILE_LANGUAGE:C>:$<TARGET_PROPERTY:compiler,warning_error_misra_sane>>)
zephyr_compile_options($<$<COMPILE_LANGUAGE:CXX>:$<TARGET_PROPERTY:compiler-cpp,warning_error_misra_sane>>)
endif()
# This is intend to be temporary. Once we have fixed the violations that
# prevents build Zephyr, these flags shall be part of the default flags.
if(CONFIG_CODING_GUIDELINE_CHECK)
# @Intent: Obtain toolchain compiler flags relating to coding guideline
zephyr_compile_options($<$<COMPILE_LANGUAGE:C>:$<TARGET_PROPERTY:compiler,warning_error_coding_guideline>>)
endif()
# @Intent: Set compiler specific macro inclusion of AUTOCONF_H
zephyr_compile_options("SHELL: $<TARGET_PROPERTY:compiler,imacros> ${AUTOCONF_H}")
if(CONFIG_COMPILER_FREESTANDING)
# @Intent: Set compiler specific flag for bare metal freestanding option
zephyr_compile_options($<$<COMPILE_LANGUAGE:C>:$<TARGET_PROPERTY:compiler,freestanding>>)
zephyr_compile_options($<$<COMPILE_LANGUAGE:ASM>:$<TARGET_PROPERTY:compiler,freestanding>>)
endif()
if (CONFIG_PICOLIBC AND NOT CONFIG_PICOLIBC_IO_FLOAT)
# @Intent: Set compiler specific flag to disable printf-related optimizations
zephyr_compile_options($<$<COMPILE_LANGUAGE:C>:$<TARGET_PROPERTY:compiler,no_printf_return_value>>)
endif()
# @Intent: Set compiler specific flag for tentative definitions, no-common
zephyr_compile_options($<TARGET_PROPERTY:compiler,no_common>)
# @Intent: Set compiler specific flag for production of debug information
zephyr_compile_options($<TARGET_PROPERTY:compiler,debug>)
if(CONFIG_COMPILER_SAVE_TEMPS)
# @Intent: Set compiler specific flag for saving temporary object files
zephyr_compile_options($<TARGET_PROPERTY:compiler,save_temps>)
endif()
if(NOT CONFIG_COMPILER_TRACK_MACRO_EXPANSION)
# @Intent: Set compiler specific flags to not track macro expansion
zephyr_compile_options($<TARGET_PROPERTY:compiler,no_track_macro_expansion>)
endif()
if(CONFIG_COMPILER_COLOR_DIAGNOSTICS)
# @Intent: Set compiler specific flag for diagnostic messages
zephyr_compile_options($<TARGET_PROPERTY:compiler,diagnostic>)
endif()
zephyr_compile_options(
${TOOLCHAIN_C_FLAGS}
)
# @Intent: Obtain compiler specific flags related to assembly
# ToDo: Remember to get feedback from Oticon on this, as they might use the `ASM_BASE_FLAG` since this is done this way.
zephyr_compile_options($<$<COMPILE_LANGUAGE:ASM>:$<TARGET_PROPERTY:asm,required>>)
# @Intent: Enforce standard integer type correspondence to match Zephyr usage.
# (must be after compiler specific flags)
if(CONFIG_ENFORCE_ZEPHYR_STDINT)
zephyr_compile_options("SHELL: $<TARGET_PROPERTY:compiler,imacros> ${ZEPHYR_BASE}/include/zephyr/toolchain/zephyr_stdint.h")
endif()
# Common toolchain-agnostic assembly flags
zephyr_compile_options(
$<$<COMPILE_LANGUAGE:ASM>:-D_ASMLANGUAGE>
)
# @Intent: Set fundamental linker specific flags
toolchain_ld_base()
toolchain_ld_force_undefined_symbols(
_OffsetAbsSyms
_ConfigAbsSyms
)
if(NOT CONFIG_NATIVE_BUILD)
# @Intent: Set linker specific flags for bare metal target
toolchain_ld_baremetal()
endif()
if(CONFIG_CPP AND NOT CONFIG_MINIMAL_LIBCPP AND NOT CONFIG_NATIVE_LIBRARY)
# @Intent: Set linker specific flags for C++
toolchain_ld_cpp()
endif()
# @Intent: Add the basic toolchain warning flags
zephyr_compile_options($<$<COMPILE_LANGUAGE:C>:$<TARGET_PROPERTY:compiler,warning_base>>)
zephyr_compile_options($<$<COMPILE_LANGUAGE:CXX>:$<TARGET_PROPERTY:compiler-cpp,warning_base>>)
# ==========================================================================
#
# cmake -DW=... settings
#
# W=1 - warnings that may be relevant and does not occur too often
# W=2 - warnings that occur quite often but may still be relevant
# W=3 - the more obscure warnings, can most likely be ignored
# ==========================================================================
# @Intent: Add cmake -DW toolchain supported warnings, if any
if(W MATCHES "1")
zephyr_compile_options($<$<COMPILE_LANGUAGE:C>:$<TARGET_PROPERTY:compiler,warning_dw_1>>)
zephyr_compile_options($<$<COMPILE_LANGUAGE:CXX>:$<TARGET_PROPERTY:compiler-cpp,warning_dw_1>>)
endif()
if(W MATCHES "2")
zephyr_compile_options($<$<COMPILE_LANGUAGE:C>:$<TARGET_PROPERTY:compiler,warning_dw_2>>)
zephyr_compile_options($<$<COMPILE_LANGUAGE:CXX>:$<TARGET_PROPERTY:compiler-cpp,warning_dw_2>>)
endif()
if(W MATCHES "3")
zephyr_compile_options($<$<COMPILE_LANGUAGE:C>:$<TARGET_PROPERTY:compiler,warning_dw_3>>)
zephyr_compile_options($<$<COMPILE_LANGUAGE:CXX>:$<TARGET_PROPERTY:compiler-cpp,warning_dw_3>>)
endif()
# @Intent: Add extended, more specific, toolchain warning flags
zephyr_compile_options($<TARGET_PROPERTY:compiler,warning_extended>)
# @Intent: Trigger an error when a declaration does not specify a type
zephyr_compile_options($<$<COMPILE_LANGUAGE:C>:$<TARGET_PROPERTY:compiler,warning_error_implicit_int>>)
zephyr_compile_options($<$<COMPILE_LANGUAGE:CXX>:$<TARGET_PROPERTY:compiler-cpp,warning_error_implicit_int>>)
# @Intent: Do not make position independent code / executable
zephyr_compile_options($<$<COMPILE_LANGUAGE:C>:$<TARGET_PROPERTY:compiler,no_position_independent>>)
zephyr_compile_options($<$<COMPILE_LANGUAGE:CXX>:$<TARGET_PROPERTY:compiler,no_position_independent>>)
# In case of CONFIG_NATIVE_LIBRARY we also don't want position independent code,
# but we cannot tell that to the linker yet as we are first only doing a
# relocatable link into a static library
zephyr_link_libraries_ifndef(CONFIG_NATIVE_LIBRARY
$<TARGET_PROPERTY:linker,no_position_independent>)
# Allow the user to inject options when calling cmake, e.g.
# 'cmake -DEXTRA_CFLAGS="-Werror -Wno-deprecated-declarations" ..'
include(cmake/extra_flags.cmake)
zephyr_cc_option(-fno-asynchronous-unwind-tables)
if(CONFIG_USERSPACE)
zephyr_compile_options($<TARGET_PROPERTY:compiler,no_global_merge>)
endif()
if(CONFIG_THREAD_LOCAL_STORAGE)
# Only support local exec TLS model at this point.
zephyr_cc_option(-ftls-model=local-exec)
endif()
if(CONFIG_OVERRIDE_FRAME_POINTER_DEFAULT)
if(CONFIG_OMIT_FRAME_POINTER)
zephyr_cc_option(-fomit-frame-pointer)
else()
zephyr_cc_option(-fno-omit-frame-pointer)
endif()
endif()
separate_arguments(COMPILER_OPT_AS_LIST UNIX_COMMAND ${CONFIG_COMPILER_OPT})
zephyr_compile_options(${COMPILER_OPT_AS_LIST})
# TODO: Include arch compiler options at this point.
if(NOT CMAKE_C_COMPILER_ID STREQUAL "Clang" AND
NOT CMAKE_C_COMPILER_ID STREQUAL "IntelLLVM" AND
NOT CMAKE_C_COMPILER_ID STREQUAL "ARMClang")
# GCC assumed
zephyr_cc_option(-fno-reorder-functions)
# GCC 11 and above may generate a warning when dereferencing a constant
# address pointer whose address is below the value specified by the
# `min-pagesize` parameter (defaults to 0x1000). The `min-pagesize` parameter
# is set to 0 such that GCC never generates any warnings for the constant
# address pointers. For more details, refer to the GCC PR99578.
zephyr_cc_option(--param=min-pagesize=0)
if(NOT ${ZEPHYR_TOOLCHAIN_VARIANT} STREQUAL "xcc")
zephyr_cc_option(-fno-defer-pop)
endif()
else()
# Clang produces false positive vla warnings
zephyr_cc_option(-Wno-vla)
endif()
zephyr_cc_option_ifdef(CONFIG_STACK_USAGE -fstack-usage)
# If the compiler supports it, strip the ${ZEPHYR_BASE} prefix from the
# __FILE__ macro used in __ASSERT*, in the
# .noinit."/home/joe/zephyr/fu/bar.c" section names and in any
# application code. This saves some memory, stops leaking user locations
# in binaries, makes failure logs more deterministic and most
# importantly makes builds more deterministic
if(CONFIG_BUILD_OUTPUT_STRIP_PATHS)
# If several match then the last one wins. This matters for instances
# like tests/ and samples/: they're inside all of them! Then let's
# strip as little as possible.
zephyr_cc_option(-fmacro-prefix-map=${CMAKE_SOURCE_DIR}=CMAKE_SOURCE_DIR)
zephyr_cc_option(-fmacro-prefix-map=${ZEPHYR_BASE}=ZEPHYR_BASE)
if(WEST_TOPDIR)
zephyr_cc_option(-fmacro-prefix-map=${WEST_TOPDIR}=WEST_TOPDIR)
endif()
endif()
# TODO: Archiver arguments
# ar_option(D)
# Declare MPU userspace dependencies before the linker scripts to make
# sure the order of dependencies are met
if(CONFIG_USERSPACE)
add_custom_target(app_smem)
set(APP_SMEM_ALIGNED_DEP app_smem_aligned_linker)
set(APP_SMEM_UNALIGNED_DEP app_smem_unaligned_linker)
endif()
if(CONFIG_USERSPACE)
set(KOBJECT_LINKER_DEP kobject_linker)
endif()
if(DEFINED BUILD_VERSION)
set(build_version_argument "-DBUILD_VERSION=${BUILD_VERSION}")
elseif(NOT ZEPHYR_GIT_INDEX)
if(EXISTS ${ZEPHYR_BASE}/.git/index)
set(ZEPHYR_GIT_INDEX ${ZEPHYR_BASE}/.git/index CACHE PATH
"Path to Zephyr git repository index file")
elseif(EXISTS ${ZEPHYR_BASE}/.git)
# Likely a git-submodule. Let's ask git where the real database is located.
find_package(Git QUIET)
if(GIT_FOUND)
execute_process(
COMMAND ${GIT_EXECUTABLE} rev-parse --absolute-git-dir
WORKING_DIRECTORY ${ZEPHYR_BASE}
OUTPUT_VARIABLE zephyr_git_dir
OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_STRIP_TRAILING_WHITESPACE
ERROR_VARIABLE stderr
RESULT_VARIABLE return_code)
if(return_code)
message(WARNING "BUILD_VERSION: git rev-parse failed: ${stderr}")
else()
if(NOT "${stderr}" STREQUAL "")
message(WARNING "BUILD_VERSION: git rev-parse warned: ${stderr}")
endif()
set(ZEPHYR_GIT_INDEX ${zephyr_git_dir}/index CACHE PATH
"Path to Zephyr git repository index file")
endif()
else()
message(WARNING "Could not find git installation, "
"please specify '-DBUILD_VERSION=<version>'")
endif()
else()
message(WARNING "ZEPHYR_BASE=${ZEPHYR_BASE} doesn't appear to be a git "
"repository, please specify '-DBUILD_VERSION=<version>'")
endif()
endif()
if(ZEPHYR_GIT_INDEX)
set(git_dependency ${ZEPHYR_GIT_INDEX})
endif()
add_custom_command(
OUTPUT ${PROJECT_BINARY_DIR}/include/generated/zephyr/version.h
COMMAND ${CMAKE_COMMAND} -DZEPHYR_BASE=${ZEPHYR_BASE}
-DOUT_FILE=${PROJECT_BINARY_DIR}/include/generated/zephyr/version.h
-DVERSION_TYPE=KERNEL
-DVERSION_FILE=${ZEPHYR_BASE}/VERSION
-DKERNEL_VERSION_CUSTOMIZATION="$<TARGET_PROPERTY:version_h,KERNEL_VERSION_CUSTOMIZATION>"
${build_version_argument}
-P ${ZEPHYR_BASE}/cmake/gen_version_h.cmake
DEPENDS ${ZEPHYR_BASE}/VERSION ${git_dependency}
COMMAND_EXPAND_LISTS
)
add_custom_target(version_h DEPENDS ${PROJECT_BINARY_DIR}/include/generated/zephyr/version.h)
if(EXISTS ${APPLICATION_SOURCE_DIR}/VERSION)
add_custom_command(
OUTPUT ${PROJECT_BINARY_DIR}/include/generated/zephyr/app_version.h
COMMAND ${CMAKE_COMMAND} -DZEPHYR_BASE=${ZEPHYR_BASE}
-DOUT_FILE=${PROJECT_BINARY_DIR}/include/generated/zephyr/app_version.h
-DVERSION_TYPE=APP
-DVERSION_FILE=${APPLICATION_SOURCE_DIR}/VERSION
-DAPP_VERSION_CUSTOMIZATION="$<TARGET_PROPERTY:app_version_h,APP_VERSION_CUSTOMIZATION>"
${build_version_argument}
-P ${ZEPHYR_BASE}/cmake/gen_version_h.cmake
DEPENDS ${APPLICATION_SOURCE_DIR}/VERSION ${git_dependency}
COMMAND_EXPAND_LISTS
)
add_custom_target(
app_version_h
DEPENDS ${PROJECT_BINARY_DIR}/include/generated/zephyr/app_version.h)
add_dependencies(zephyr_interface app_version_h)
endif()
# Unfortunately, the order in which CMakeLists.txt code is processed
# matters so we need to be careful about how we order the processing
# of subdirectories. One example is "Compiler flags added late in the
# build are not exported to external build systems #5605"; when we
# integrate with an external build system we read out all compiler
# flags when the external project is created. So an external project
# defined in subsys or ext will not get global flags added by drivers/
# or tests/ as the subdirectories are ordered now.
#
# Another example of when the order matters is the reading and writing
# of global properties such as ZEPHYR_LIBS or
# GENERATED_KERNEL_OBJECT_FILES.
#
# Arch is placed early because it defines important compiler flags
# that must be exported to external build systems defined in
# e.g. subsys/.
add_subdirectory(arch)
add_subdirectory(lib)
# We use include instead of add_subdirectory to avoid creating a new directory scope.
# This is because source file properties are directory scoped, including the GENERATED
# property which is set implicitly for custom command outputs
include(misc/generated/CMakeLists.txt)
add_subdirectory(soc)
add_subdirectory(boards)
add_subdirectory(subsys)
add_subdirectory(drivers)
# Include zephyr modules generated CMake file.
foreach(module_name ${ZEPHYR_MODULE_NAMES})
# Note the second, binary_dir parameter requires the added
# subdirectory to have its own, local cmake target(s). If not then
# this binary_dir is created but stays empty. Object files land in
# the main binary dir instead.
# https://cmake.org/pipermail/cmake/2019-June/069547.html
zephyr_string(SANITIZE TOUPPER MODULE_NAME_UPPER ${module_name})
if(NOT ${ZEPHYR_${MODULE_NAME_UPPER}_CMAKE_DIR} STREQUAL "")
set(ZEPHYR_CURRENT_MODULE_NAME ${ZEPHYR_${MODULE_NAME_UPPER}_MODULE_NAME})
set(ZEPHYR_CURRENT_MODULE_DIR ${ZEPHYR_${MODULE_NAME_UPPER}_MODULE_DIR})
set(ZEPHYR_CURRENT_CMAKE_DIR ${ZEPHYR_${MODULE_NAME_UPPER}_CMAKE_DIR})
add_subdirectory(${ZEPHYR_CURRENT_CMAKE_DIR} ${CMAKE_BINARY_DIR}/modules/${module_name})
endif()
endforeach()
# Done processing modules, clear module variables
set(ZEPHYR_CURRENT_MODULE_NAME)
set(ZEPHYR_CURRENT_MODULE_DIR)
set(ZEPHYR_CURRENT_CMAKE_DIR)
get_property(LIBC_LINK_LIBRARIES TARGET zephyr_interface PROPERTY LIBC_LINK_LIBRARIES)
zephyr_link_libraries(${LIBC_LINK_LIBRARIES})
set(syscall_list_h ${CMAKE_CURRENT_BINARY_DIR}/include/generated/zephyr/syscall_list.h)
set(edk_syscall_list_h ${CMAKE_CURRENT_BINARY_DIR}/edk/include/generated/zephyr/syscall_list.h)
set(syscalls_json ${CMAKE_CURRENT_BINARY_DIR}/misc/generated/syscalls.json)
set(struct_tags_json ${CMAKE_CURRENT_BINARY_DIR}/misc/generated/struct_tags.json)
# The syscalls subdirs txt file is constructed by python containing a list of folders to use for
# dependency handling, including empty folders.
# Windows: The list is used to specify DIRECTORY list with CMAKE_CONFIGURE_DEPENDS attribute.
# Other OS: The list will update whenever a file is added/removed/modified and ensure a re-build.
set(syscalls_subdirs_txt ${CMAKE_CURRENT_BINARY_DIR}/misc/generated/syscalls_subdirs.txt)
# As syscalls_subdirs_txt is updated whenever a file is modified, this file can not be used for
# monitoring of added / removed folders. A trigger file is thus used for correct dependency
# handling. The trigger file will update when a folder is added / removed.
set(syscalls_subdirs_trigger ${CMAKE_CURRENT_BINARY_DIR}/misc/generated/syscalls_subdirs.trigger)
if(NOT (${CMAKE_HOST_SYSTEM_NAME} STREQUAL Windows))
set(syscalls_links --create-links ${CMAKE_CURRENT_BINARY_DIR}/misc/generated/syscalls_links)
endif()
# When running CMake it must be ensured that all dependencies are correctly acquired.
execute_process(
COMMAND
${PYTHON_EXECUTABLE}
${ZEPHYR_BASE}/scripts/build/subfolder_list.py
--directory ${ZEPHYR_BASE}/include # Walk this directory
--out-file ${syscalls_subdirs_txt} # Write file with discovered folder
--trigger-file ${syscalls_subdirs_trigger} # Trigger file that is used for json generation
${syscalls_links} # If defined, create symlinks for dependencies
)
file(STRINGS ${syscalls_subdirs_txt} PARSE_SYSCALLS_PATHS_DEPENDS ENCODING UTF-8)
if(${CMAKE_HOST_SYSTEM_NAME} STREQUAL Windows)
# On windows only adding/removing files or folders will be reflected in depends.
# Hence adding a file requires CMake to re-run to add this file to the file list.
set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS ${PARSE_SYSCALLS_PATHS_DEPENDS})
# Also On Windows each header file must be monitored as file modifications are not reflected
# on directory level.
file(GLOB_RECURSE PARSE_SYSCALLS_HEADER_DEPENDS ${ZEPHYR_BASE}/include/*.h)
else()
# The syscall parsing depends on the folders in order to detect add/removed/modified files.
# When a folder is removed, CMake will try to find a target that creates that dependency.
# This command sets up the target for CMake to find.
# Without this code, CMake will fail with the following error:
# <folder> needed by '<target>', missing and no known rule to make it
# when a folder is removed.
add_custom_command(OUTPUT ${PARSE_SYSCALLS_PATHS_DEPENDS}
COMMAND ${CMAKE_COMMAND} -E echo ""
COMMENT "Preparing syscall dependency handling"
)
add_custom_command(
OUTPUT
${syscalls_subdirs_trigger}
COMMAND
${PYTHON_EXECUTABLE}
${ZEPHYR_BASE}/scripts/build/subfolder_list.py
--directory ${ZEPHYR_BASE}/include # Walk this directory
--out-file ${syscalls_subdirs_txt} # Write file with discovered folder
--trigger-file ${syscalls_subdirs_trigger} # Trigger file that is used for json generation
${syscalls_links} # If defined, create symlinks for dependencies
DEPENDS ${PARSE_SYSCALLS_PATHS_DEPENDS}
)
# Ensure subdir file always exists when specifying CMake dependency.
if(NOT EXISTS ${syscalls_subdirs_txt})
file(WRITE ${syscalls_subdirs_txt} "")
endif()
# On other OS'es, modifying a file is reflected on the folder timestamp and hence detected
# when using depend on directory level.
# Thus CMake only needs to re-run when sub-directories are added / removed, which is indicated
# using a trigger file.
set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS ${syscalls_subdirs_txt})
endif()
# syscall declarations are searched for in the SYSCALL_INCLUDE_DIRS
if(CONFIG_APPLICATION_DEFINED_SYSCALL)
list(APPEND SYSCALL_INCLUDE_DIRS ${APPLICATION_SOURCE_DIR})
endif()
if(CONFIG_ZTEST)
list(APPEND SYSCALL_INCLUDE_DIRS ${ZEPHYR_BASE}/subsys/testsuite/ztest/include)
if(CONFIG_NO_OPTIMIZATIONS AND CONFIG_ZTEST_WARN_NO_OPTIMIZATIONS)
message(WARNING "Running tests with CONFIG_NO_OPTIMIZATIONS is generally "
"not supported and known to break in many cases due to stack overflow or "
"other problems. Please do not file issues about it unless the test is "
"specifically tuned to run in this configuration. To disable this warning "
"set CONFIG_ZTEST_WARN_NO_OPTIMIZATIONS=n.")
endif()
endif()
get_property(
syscalls_include_list
TARGET syscalls_interface
PROPERTY INTERFACE_INCLUDE_DIRECTORIES
)
list(APPEND SYSCALL_INCLUDE_DIRS ${syscalls_include_list})
foreach(d ${SYSCALL_INCLUDE_DIRS})
list(APPEND parse_syscalls_include_args
--include ${d}
)
endforeach()
add_custom_command(
OUTPUT
${syscalls_json}
${struct_tags_json}
COMMAND
${PYTHON_EXECUTABLE}
${ZEPHYR_BASE}/scripts/build/parse_syscalls.py
--scan ${ZEPHYR_BASE}/include # Read files from this dir
--scan ${ZEPHYR_BASE}/drivers # For net sockets
--scan ${ZEPHYR_BASE}/subsys/net # More net sockets
${parse_syscalls_include_args} # Read files from these dirs also
--json-file ${syscalls_json} # Write this file
--tag-struct-file ${struct_tags_json} # Write subsystem list to this file
--file-list ${syscalls_file_list_output}
$<$<BOOL:${CONFIG_EMIT_ALL_SYSCALLS}>:--emit-all-syscalls>
DEPENDS ${syscalls_subdirs_trigger} ${PARSE_SYSCALLS_HEADER_DEPENDS}
${syscalls_file_list_output} ${syscalls_interface}
)
# Make sure Picolibc is built before the rest of the system; there's no explicit
# reference to any of the files as they're all picked up by various compiler
# settings
if(CONFIG_PICOLIBC_USE_MODULE)
set(picolibc_dependency PicolibcBuild)
endif()
add_custom_target(${SYSCALL_LIST_H_TARGET} DEPENDS ${syscall_list_h} ${picolibc_dependency})
set_property(TARGET ${SYSCALL_LIST_H_TARGET}
APPEND PROPERTY
ADDITIONAL_CLEAN_FILES
${CMAKE_CURRENT_BINARY_DIR}/include/generated/zephyr/syscalls
)
add_custom_target(${PARSE_SYSCALLS_TARGET}
DEPENDS
${syscalls_json}
${struct_tags_json}
)
# 64-bit systems do not require special handling of 64-bit system call
# parameters or return values, indicate this to the system call boilerplate
# generation script.
if(CONFIG_64BIT)
set(SYSCALL_LONG_REGISTERS_ARG --long-registers)
endif()
if(CONFIG_TIMEOUT_64BIT)
set(SYSCALL_SPLIT_TIMEOUT_ARG --split-type k_timeout_t --split-type k_ticks_t)
endif()
# percepio/TraceRecorder/kernelports/Zephyr/scripts/tz_parse_syscalls.py hardcodes the path
# to the `syscall_list.h`, make a copy of the generated file so that percepio is able to build
if(CONFIG_LEGACY_GENERATED_INCLUDE_PATH)
set(LEGACY_SYSCALL_LIST_H_ARGS
${CMAKE_COMMAND} -E copy
${syscall_list_h}
${CMAKE_CURRENT_BINARY_DIR}/include/generated/syscall_list.h)
endif()
add_custom_command(OUTPUT include/generated/zephyr/syscall_dispatch.c ${syscall_list_h}
# Also, some files are written to include/generated/zephyr/syscalls/
COMMAND
${PYTHON_EXECUTABLE}
${ZEPHYR_BASE}/scripts/build/gen_syscalls.py
--json-file ${syscalls_json} # Read this file
--base-output include/generated/zephyr/syscalls # Write to this dir
--syscall-dispatch include/generated/zephyr/syscall_dispatch.c # Write this file
--syscall-export-llext include/generated/zephyr/syscall_export_llext.c
--syscall-list ${syscall_list_h}
$<$<BOOL:${CONFIG_USERSPACE}>:--gen-mrsh-files>
${SYSCALL_LONG_REGISTERS_ARG}
${SYSCALL_SPLIT_TIMEOUT_ARG}
COMMAND
${LEGACY_SYSCALL_LIST_H_ARGS}
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
DEPENDS ${PARSE_SYSCALLS_TARGET}
)
# This is passed into all calls to the gen_kobject_list.py script.
set(gen_kobject_list_include_args --include-subsystem-list ${struct_tags_json})
set(DRV_VALIDATION ${PROJECT_BINARY_DIR}/include/generated/zephyr/driver-validation.h)
add_custom_command(
OUTPUT ${DRV_VALIDATION}
COMMAND
${PYTHON_EXECUTABLE}
${ZEPHYR_BASE}/scripts/build/gen_kobject_list.py
--validation-output ${DRV_VALIDATION}
${gen_kobject_list_include_args}
$<$<BOOL:${CMAKE_VERBOSE_MAKEFILE}>:--verbose>
DEPENDS
${ZEPHYR_BASE}/scripts/build/gen_kobject_list.py
${PARSE_SYSCALLS_TARGET}
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
)
add_custom_target(${DRIVER_VALIDATION_H_TARGET} DEPENDS ${DRV_VALIDATION})
include(${ZEPHYR_BASE}/cmake/kobj.cmake)
gen_kobj(KOBJ_INCLUDE_PATH)
# Add a pseudo-target that is up-to-date when all generated headers
# are up-to-date.
add_custom_target(zephyr_generated_headers)
add_dependencies(zephyr_generated_headers
offsets_h version_h
)
# Generate offsets.c.obj from offsets.c
# Generate offsets.h from offsets.c.obj
set(OFFSETS_LIB offsets)
set(OFFSETS_C_PATH ${ARCH_DIR}/${ARCH}/core/offsets/offsets.c)
set(OFFSETS_H_PATH ${PROJECT_BINARY_DIR}/include/generated/zephyr/offsets.h)
add_library( ${OFFSETS_LIB} OBJECT ${OFFSETS_C_PATH})
target_include_directories(${OFFSETS_LIB} PRIVATE
kernel/include
${ARCH_DIR}/${ARCH}/include
)
# Make sure that LTO will never be enabled when compiling offsets.c
set_source_files_properties(${OFFSETS_C_PATH} PROPERTIES COMPILE_OPTIONS $<TARGET_PROPERTY:compiler,prohibit_lto>)
target_link_libraries(${OFFSETS_LIB} zephyr_interface)
add_dependencies(zephyr_interface
${SYSCALL_LIST_H_TARGET}
${DRIVER_VALIDATION_H_TARGET}
${KOBJ_TYPES_H_TARGET}
)
add_custom_command(
OUTPUT ${OFFSETS_H_PATH}
COMMAND ${PYTHON_EXECUTABLE} ${ZEPHYR_BASE}/scripts/build/gen_offset_header.py
-i $<TARGET_OBJECTS:${OFFSETS_LIB}>
-o ${OFFSETS_H_PATH}
DEPENDS
${OFFSETS_LIB}
$<TARGET_OBJECTS:${OFFSETS_LIB}>
)
add_custom_target(${OFFSETS_H_TARGET} DEPENDS ${OFFSETS_H_PATH})
zephyr_get_include_directories_for_lang(C ZEPHYR_INCLUDES)
add_subdirectory(kernel)
get_property(
syscalls_file_list
TARGET syscalls_interface
PROPERTY INTERFACE_SOURCES
)
file(CONFIGURE OUTPUT ${syscalls_file_list_output}
CONTENT "@syscalls_file_list@" @ONLY)
# Read list content
get_property(ZEPHYR_LIBS_PROPERTY GLOBAL PROPERTY ZEPHYR_LIBS)
foreach(zephyr_lib ${ZEPHYR_LIBS_PROPERTY})
get_property(lib_type TARGET ${zephyr_lib} PROPERTY TYPE)
# To prevent CMake failure when a driver is enabled, for example: REGULATOR=y
# we disable any Zephyr libraries without sources and adds the `empty_file.c`.
if(${lib_type} STREQUAL STATIC_LIBRARY
AND NOT ${zephyr_lib} STREQUAL app
)
get_property(source_list TARGET ${zephyr_lib} PROPERTY SOURCES)
get_property(lib_imported TARGET ${zephyr_lib} PROPERTY IMPORTED)
if(NOT source_list
AND NOT ${lib_imported}
)
get_property(allow_empty TARGET ${zephyr_lib} PROPERTY ALLOW_EMPTY)
if(NOT "${allow_empty}")
message(WARNING
"No SOURCES given to Zephyr library: ${zephyr_lib}\nExcluding target from build."
)
endif()
target_sources(${zephyr_lib} PRIVATE ${ZEPHYR_BASE}/misc/empty_file.c)
set_property(TARGET ${zephyr_lib} PROPERTY EXCLUDE_FROM_ALL TRUE)
list(REMOVE_ITEM ZEPHYR_LIBS_PROPERTY ${zephyr_lib})
continue()
endif()
endif()
# TODO: Could this become an INTERFACE property of zephyr_interface?
add_dependencies(${zephyr_lib} zephyr_generated_headers)
endforeach()
if(CONFIG_KERNEL_WHOLE_ARCHIVE)
set(WHOLE_ARCHIVE_LIBS ${ZEPHYR_LIBS_PROPERTY} kernel)
else()
set(WHOLE_ARCHIVE_LIBS ${ZEPHYR_LIBS_PROPERTY})
set(NO_WHOLE_ARCHIVE_LIBS kernel)
endif()
get_property(OUTPUT_FORMAT GLOBAL PROPERTY PROPERTY_OUTPUT_FORMAT)
if (CONFIG_CODE_DATA_RELOCATION)
set(CODE_RELOCATION_DEP code_relocation_source_lib)
endif() # CONFIG_CODE_DATA_RELOCATION
# Give the linker script targets all of the include directories so
# that cmake can successfully find the linker scripts' header
# dependencies.
zephyr_get_include_directories_for_lang(C
ZEPHYR_INCLUDE_DIRS
STRIP_PREFIX # Don't use a -I prefix
)
if(CONFIG_DEVICE_DEPS)
if(CONFIG_DEVICE_DEPS_DYNAMIC)
set(dynamic_deps --dynamic-deps)
endif()
if(CONFIG_PM_DEVICE_POWER_DOMAIN_DYNAMIC)
set(number_of_dynamic_devices ${CONFIG_PM_DEVICE_POWER_DOMAIN_DYNAMIC_NUM})
else()
set(number_of_dynamic_devices 0)
endif()
# device_deps.c is generated from ${ZEPHYR_LINK_STAGE_EXECUTABLE} by
# gen_device_deps.py
add_custom_command(
OUTPUT device_deps.c
COMMAND
${PYTHON_EXECUTABLE}
${ZEPHYR_BASE}/scripts/build/gen_device_deps.py
--output-source device_deps.c
--output-graphviz dev_graph.dot
${dynamic_deps}
--num-dynamic-devices ${number_of_dynamic_devices}
--kernel $<TARGET_FILE:${ZEPHYR_LINK_STAGE_EXECUTABLE}>
--zephyr-base ${ZEPHYR_BASE}
--start-symbol "$<TARGET_PROPERTY:linker,devices_start_symbol>"
VERBATIM
DEPENDS ${ZEPHYR_LINK_STAGE_EXECUTABLE}
)
set_property(GLOBAL APPEND PROPERTY GENERATED_APP_SOURCE_FILES device_deps.c)
# gen_device_deps runs on `__device_deps_pass1` so pass this info to the linker script generator
list(APPEND LINKER_PASS_${ZEPHYR_CURRENT_LINKER_PASS}_DEFINE "LINKER_DEVICE_DEPS_PASS1")
endif()
if(CONFIG_CODE_DATA_RELOCATION)
# @Intent: Linker script to relocate .text, data and .bss sections
toolchain_ld_relocation()
endif()
if(CONFIG_USERSPACE)
zephyr_get_compile_options_for_lang_as_string(C compiler_flags_priv)
string(REPLACE "$<TARGET_PROPERTY:compiler,coverage>" ""
NO_COVERAGE_FLAGS "${compiler_flags_priv}"
)
set(GEN_KOBJ_LIST ${ZEPHYR_BASE}/scripts/build/gen_kobject_list.py)
set(PROCESS_GPERF ${ZEPHYR_BASE}/scripts/build/process_gperf.py)
endif()
get_property(GLOBAL_CSTD GLOBAL PROPERTY CSTD)