forked from aws/aws-lc
-
Notifications
You must be signed in to change notification settings - Fork 0
/
CMakeLists.txt
1182 lines (1043 loc) · 49.2 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
cmake_minimum_required(VERSION 3.0)
# Defer enabling C and CXX languages.
project(AWSLC NONE)
if(MSVC)
# On Windows, prefer cl over gcc if both are available. By default most of
# the CMake generators prefer gcc, even on Windows.
set(CMAKE_GENERATOR_CC cl)
endif()
include(sources.cmake)
include(TestBigEndian)
if(POLICY CMP0077)
cmake_policy(SET CMP0077 NEW) #option does nothing when a normal variable of the same name exists.
endif()
option(BUILD_TESTING "Build all test targets for AWS-LC" ON)
option(BUILD_LIBSSL "Build libssl for AWS-LC" ON)
option(BUILD_TOOL "Build bssl tool for AWS-LC" ON)
option(ENABLE_DILITHIUM "Enable Dilithium signatures in the EVP API" OFF)
option(DISABLE_PERL "Disable Perl for AWS-LC" OFF)
option(DISABLE_GO "Disable Go for AWS-LC" OFF)
option(ENABLE_FIPS_ENTROPY_CPU_JITTER "Enable FIPS entropy source: CPU Jitter" OFF)
include(cmake/go.cmake)
enable_language(C)
# Configure entropy source in case of FIPS build
if(FIPS)
message(STATUS "FIPS build mode configured")
if(ENABLE_FIPS_ENTROPY_CPU_JITTER)
add_definitions(-DFIPS_ENTROPY_SOURCE_JITTER_CPU)
add_subdirectory(third_party/jitterentropy)
message(STATUS "FIPS entropy source method configured: CPU Jitter")
else()
add_definitions(-DFIPS_ENTROPY_SOURCE_PASSIVE)
message(STATUS "FIPS entropy source method configured: Passive")
endif()
endif()
if(${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD")
# OpenBSD by defaults links with --execute-only this is problematic for two reasons:
# 1. The FIPS shared and static builds need to compute the module signature hash by reading the .text section
# 2. s2n-bignum x86 assembly sources still have references to static data in the .text section
if(NOT BUILD_SHARED_LIBS)
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--no-execute-only")
else()
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--no-execute-only")
endif()
endif()
# Tests and libssl both require the CXX language to be enabled. If a consumer
# chooses to disable building the tests and libssl, do not enable CXX
if(BUILD_TESTING OR BUILD_LIBSSL)
enable_language(CXX)
endif()
if(CMAKE_VERSION VERSION_GREATER "3.1.0")
if (NOT DEFINED CMAKE_CXX_STANDARD)
set(CMAKE_CXX_STANDARD 11)
endif()
set(CMAKE_CXX_STANDARD_REQUIRED ON)
if (NOT DEFINED CMAKE_C_STANDARD)
set(CMAKE_C_STANDARD 99)
endif ()
set(CMAKE_C_STANDARD_REQUIRED ON)
endif ()
if(CMAKE_C_COMPILER_ID MATCHES "Clang")
set(CLANG 1)
elseif(CMAKE_C_COMPILER_ID MATCHES "GNU")
set(GCC 1)
endif()
if (UNIX AND NOT APPLE)
include(GNUInstallDirs)
elseif(NOT DEFINED CMAKE_INSTALL_LIBDIR)
set(CMAKE_INSTALL_LIBDIR "lib")
set(CMAKE_INSTALL_INCLUDEDIR "include")
set(CMAKE_INSTALL_BINDIR "bin")
endif()
install(DIRECTORY include/openssl
DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
COMPONENT Development
PATTERN boringssl_prefix_symbols.h EXCLUDE
PATTERN boringssl_prefix_symbols_asm.h EXCLUDE
PATTERN boringssl_prefix_symbols_nasm.inc EXCLUDE
)
if(ANDROID)
# Android-NDK CMake files reconfigure the path and so Perl won't be found.
# However, ninja will still find them in $PATH if we just name them.
if(NOT DISABLE_PERL AND NOT PERL_EXECUTABLE)
set(PERL_EXECUTABLE "perl")
endif()
else()
if(NOT DISABLE_PERL)
find_package(Perl)
endif()
endif()
if("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux" AND NOT CMAKE_CROSSCOMPILING)
find_package(PkgConfig QUIET)
if (PkgConfig_FOUND)
pkg_check_modules(LIBUNWIND libunwind-generic)
if(LIBUNWIND_FOUND)
add_definitions(-DBORINGSSL_HAVE_LIBUNWIND)
else()
message("libunwind not found. Disabling unwind tests.")
endif()
else()
message("pkgconfig not found. Disabling unwind tests.")
endif()
endif()
if(NOT GO_EXECUTABLE)
message(STATUS "Go not found. Disabling some code generation and using pre-generated code in generated-src/")
endif()
if (NOT PERL_EXECUTABLE)
message(STATUS "Perl not found. Disabling some code generation and using pre-generated code in generated-src/")
endif()
if(NOT PERL_EXECUTABLE OR NOT GO_EXECUTABLE)
set(GENERATE_CODE_ROOT "${CMAKE_CURRENT_SOURCE_DIR}/generated-src")
endif()
if(ENABLE_DILITHIUM)
add_definitions(-DENABLE_DILITHIUM)
endif()
if(USE_CUSTOM_LIBCXX)
set(BORINGSSL_ALLOW_CXX_RUNTIME 1)
endif()
if(BORINGSSL_ALLOW_CXX_RUNTIME)
add_definitions(-DBORINGSSL_ALLOW_CXX_RUNTIME)
endif()
string(TOLOWER "${CMAKE_BUILD_TYPE}" CMAKE_BUILD_TYPE_LOWER)
if(NOT FIPS)
if("${CMAKE_BUILD_TYPE_LOWER}" STREQUAL "relwithassert" OR
NOT CMAKE_BUILD_TYPE_LOWER MATCHES "rel")
add_definitions(-DBORINGSSL_DISPATCH_TEST)
# CMake automatically connects include_directories to the NASM
# command-line, but not add_definitions.
set(CMAKE_ASM_NASM_FLAGS "${CMAKE_ASM_NASM_FLAGS} -DBORINGSSL_DISPATCH_TEST")
elseif(CMAKE_BUILD_TYPE_LOWER MATCHES "rel")
add_definitions(-DBORINGSSL_RELEASE_BUILD)
endif()
endif()
# Add a RelWithAsserts build configuration. It is the same as Release, except it
# does not define NDEBUG, so asserts run.
foreach(VAR CMAKE_C_FLAGS CMAKE_CXX_FLAGS CMAKE_ASM_FLAGS)
string(REGEX REPLACE "(^| )[/-]DNDEBUG( |$)" " " "${VAR}_RELWITHASSERTS"
"${${VAR}_RELEASE}")
endforeach()
if(BORINGSSL_PREFIX AND BORINGSSL_PREFIX_SYMBOLS AND GO_EXECUTABLE)
if(IS_ABSOLUTE ${BORINGSSL_PREFIX_SYMBOLS})
set(BORINGSSL_PREFIX_SYMBOLS_PATH ${BORINGSSL_PREFIX_SYMBOLS})
else()
set(BORINGSSL_PREFIX_SYMBOLS_PATH ${PROJECT_BINARY_DIR}/${BORINGSSL_PREFIX_SYMBOLS})
endif()
add_custom_command(
OUTPUT symbol_prefix_include/openssl/boringssl_prefix_symbols.h
symbol_prefix_include/openssl/boringssl_prefix_symbols_asm.h
symbol_prefix_include/openssl/boringssl_prefix_symbols_nasm.inc
COMMAND ${CMAKE_COMMAND} -E make_directory ${CMAKE_CURRENT_BINARY_DIR}/symbol_prefix_include/openssl
COMMAND ${GO_EXECUTABLE} run ${CMAKE_CURRENT_SOURCE_DIR}/util/make_prefix_headers.go -out ${CMAKE_CURRENT_BINARY_DIR}/symbol_prefix_include/openssl -prefix ${BORINGSSL_PREFIX} ${BORINGSSL_PREFIX_SYMBOLS_PATH}
COMMAND sed -i.bak '/ bignum_/d' ${CMAKE_CURRENT_BINARY_DIR}/symbol_prefix_include/openssl/boringssl_prefix_symbols.h
COMMAND sed -i.bak '/ bignum_/d' ${CMAKE_CURRENT_BINARY_DIR}/symbol_prefix_include/openssl/boringssl_prefix_symbols_asm.h
COMMAND sed -i.bak '/ bignum_/d' ${CMAKE_CURRENT_BINARY_DIR}/symbol_prefix_include/openssl/boringssl_prefix_symbols_nasm.inc
COMMAND sed -i.bak '/ curve25519_x25519/d' ${CMAKE_CURRENT_BINARY_DIR}/symbol_prefix_include/openssl/boringssl_prefix_symbols.h
COMMAND sed -i.bak '/ curve25519_x25519/d' ${CMAKE_CURRENT_BINARY_DIR}/symbol_prefix_include/openssl/boringssl_prefix_symbols_asm.h
COMMAND sed -i.bak '/ curve25519_x25519/d' ${CMAKE_CURRENT_BINARY_DIR}/symbol_prefix_include/openssl/boringssl_prefix_symbols_nasm.inc
COMMAND sed -i.bak '/ edwards25519_/d' ${CMAKE_CURRENT_BINARY_DIR}/symbol_prefix_include/openssl/boringssl_prefix_symbols.h
COMMAND sed -i.bak '/ edwards25519_/d' ${CMAKE_CURRENT_BINARY_DIR}/symbol_prefix_include/openssl/boringssl_prefix_symbols_asm.h
COMMAND sed -i.bak '/ edwards25519_/d' ${CMAKE_CURRENT_BINARY_DIR}/symbol_prefix_include/openssl/boringssl_prefix_symbols_nasm.inc
COMMAND ${CMAKE_COMMAND} -E remove
${CMAKE_CURRENT_BINARY_DIR}/symbol_prefix_include/openssl/boringssl_prefix_symbols.h.bak
${CMAKE_CURRENT_BINARY_DIR}/symbol_prefix_include/openssl/boringssl_prefix_symbols_asm.h.bak
${CMAKE_CURRENT_BINARY_DIR}/symbol_prefix_include/openssl/boringssl_prefix_symbols_nasm.inc.bak
DEPENDS util/make_prefix_headers.go
${BORINGSSL_PREFIX_SYMBOLS_PATH})
# add_dependencies needs a target, not a file, so we add an intermediate
# target.
add_custom_target(
boringssl_prefix_symbols
DEPENDS symbol_prefix_include/openssl/boringssl_prefix_symbols.h
symbol_prefix_include/openssl/boringssl_prefix_symbols_asm.h
symbol_prefix_include/openssl/boringssl_prefix_symbols_nasm.inc)
install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/symbol_prefix_include/openssl
DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
COMPONENT Development
)
elseif(BORINGSSL_PREFIX AND BORINGSSL_PREFIX_HEADERS)
if(IS_ABSOLUTE ${BORINGSSL_PREFIX_HEADERS})
set(BORINGSSL_PREFIX_HEADERS_PATH ${BORINGSSL_PREFIX_HEADERS})
else()
set(BORINGSSL_PREFIX_HEADERS_PATH ${PROJECT_BINARY_DIR}/${BORINGSSL_PREFIX_HEADERS})
endif()
file(COPY ${BORINGSSL_PREFIX_HEADERS_PATH}/openssl/boringssl_prefix_symbols.h DESTINATION ${CMAKE_CURRENT_BINARY_DIR}/symbol_prefix_include/openssl)
file(COPY ${BORINGSSL_PREFIX_HEADERS_PATH}/openssl/boringssl_prefix_symbols_asm.h DESTINATION ${CMAKE_CURRENT_BINARY_DIR}/symbol_prefix_include/openssl)
file(COPY ${BORINGSSL_PREFIX_HEADERS_PATH}/openssl/boringssl_prefix_symbols_nasm.inc DESTINATION ${CMAKE_CURRENT_BINARY_DIR}/symbol_prefix_include/openssl)
add_custom_target(boringssl_prefix_symbols)
install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/symbol_prefix_include/openssl
DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
COMPONENT Development
)
elseif(BORINGSSL_PREFIX OR BORINGSSL_PREFIX_SYMBOLS)
message(FATAL_ERROR "Must specify both or neither of BORINGSSL_PREFIX and BORINGSSL_PREFIX_SYMBOLS")
elseif((BORINGSSL_PREFIX AND BORINGSSL_PREFIX_SYMBOLS) AND NOT GO_EXECUTABLE)
message(FATAL_ERROR "Must have Go installed when using BORINGSSL_PREFIX and BORINGSSL_PREFIX_SYMBOLS")
else()
add_custom_target(boringssl_prefix_symbols)
install(DIRECTORY include/openssl
DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
COMPONENT Development
PATTERN boringssl_prefix_symbols.h
PATTERN boringssl_prefix_symbols_asm.h
PATTERN boringssl_prefix_symbols_nasm.inc
)
endif()
if("${CMAKE_SYSTEM_NAME}" STREQUAL "Emscripten")
set(EMSCRIPTEN 1)
endif()
macro(check_compiler file_to_test flag_to_set)
try_compile(
RESULT
${PROJECT_BINARY_DIR}
SOURCES "${CMAKE_CURRENT_LIST_DIR}/tests/compiler_features_tests/${file_to_test}"
COMPILE_DEFINITIONS "-Werror"
OUTPUT_VARIABLE ERROR_MESSAGE)
if(RESULT)
set(COMPILER_CHECK_FLAGS "${COMPILER_CHECK_FLAGS} -D${flag_to_set}")
message(STATUS "${file_to_test} probe is positive, enabling ${flag_to_set}")
else()
message(STATUS "${file_to_test} probe is negative, NOT enabling ${flag_to_set}:")
# Some build applications use regexes on build output to highlight build
# errors. Below, we modify a compiler error message to avoid that a negative
# probe is considered an error in such build applications.
string(REPLACE ": error:"
": compiler_error:" ERROR_MESSAGE_PROCESSED
${ERROR_MESSAGE})
message(STATUS " ${ERROR_MESSAGE_PROCESSED}")
endif()
endmacro()
macro(check_run file_to_test flag_to_set compile_flags)
message(STATUS "Run check_run file_to_test '${file_to_test}', "
"flag_to_set '${flag_to_set}', "
"and compile_flags '${compile_flags}'.")
try_run(
${flag_to_set}
COMPILE_RESULT
"${CMAKE_CURRENT_BINARY_DIR}"
"${CMAKE_CURRENT_LIST_DIR}/tests/compiler_features_tests/${file_to_test}"
COMPILE_DEFINITIONS "${compile_flags}"
OUTPUT_VARIABLE COMPILE_AND_RUN_OUTPUT)
if (NOT COMPILE_RESULT)
message(WARNING "COMPILE_AND_RUN_OUTPUT ${COMPILE_AND_RUN_OUTPUT}")
endif()
endmacro()
# Some ancient assemblers don't know about AVX instructions, which is an
# assumption we make for some of the assembly implementations. This flag
# can be set to handle such cases.
option(MY_ASSEMBLER_IS_TOO_OLD_FOR_AVX "Exclude AVX code from the build" OFF)
# Some assemblers know about AVX but not AVX512 instructions, e.g. gcc 4.8.2.
# This flag can be set to handle such cases.
# Note that the flag's name has "512AVX" instead of "AVX512" so that it doesn't
# include the entire flag -DMY_ASSEMBLER_IS_TOO_OLD_FOR_AVX and match it
# in the Perl files checks.
option(MY_ASSEMBLER_IS_TOO_OLD_FOR_512AVX "Exclude AVX512 code from the build" OFF)
if(MY_ASSEMBLER_IS_TOO_OLD_FOR_AVX)
add_definitions(-DMY_ASSEMBLER_IS_TOO_OLD_FOR_AVX)
add_definitions(-DMY_ASSEMBLER_IS_TOO_OLD_FOR_512AVX)
set(MY_ASSEMBLER_IS_TOO_OLD_FOR_512AVX ON)
message(STATUS "MY_ASSEMBLER_IS_TOO_OLD_FOR_AVX selected, removing AVX optimisations")
endif()
if(MY_ASSEMBLER_IS_TOO_OLD_FOR_512AVX)
add_definitions(-DMY_ASSEMBLER_IS_TOO_OLD_FOR_512AVX)
message(STATUS "MY_ASSEMBLER_IS_TOO_OLD_FOR_512AVX selected, removing AVX512 optimisations")
endif()
if (GCC)
# All versions of GCC that AWS-LC supports has this warning
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wredundant-decls")
# Detect if memcmp is wrongly stripped like strcmp.
# If exists, let CMake generate a warning.
# memcmp bug link https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95189.
# CMake try_run requires these variables must be preset.
# https://cmake.org/cmake/help/latest/command/try_run.html
set(MEMCMP_INVALID_STRIPPED "")
set(MEMCMP_INVALID_STRIPPED__TRYRUN_OUTPUT "")
# See https://gitlab.kitware.com/cmake/cmake/-/issues/16920 for why we set this to 2
# During the `try_run` commands invoked by `check_run` a test program is run for the threading library.
# This test is run expecting two threads, and this variable isn't set, for some systems
# (particularly for systems using cross-compilation) causing our test to run without 2 threads and fail.
# We set this variable here to allow these builds to succeed and keep these tests around to make sure
# that we properly detect the compiler bugs that we are trying to test for with these `try_run` calls.
set(THREADS_PTHREAD_ARG "2" CACHE STRING "Forcibly set by CMakeLists.txt." FORCE)
if (CMAKE_BUILD_TYPE_LOWER MATCHES "release")
# CMAKE_C_FLAGS_RELEASE enables `-O3`.
check_run(memcmp_invalid_stripped_check.c MEMCMP_INVALID_STRIPPED "${CMAKE_C_FLAGS_RELEASE}")
elseif(CMAKE_BUILD_TYPE_LOWER MATCHES "relwithdebinfo")
# CMAKE_C_FLAGS_RELEASE enables `-O2`.
check_run(memcmp_invalid_stripped_check.c MEMCMP_INVALID_STRIPPED "${CMAKE_C_FLAGS_RELWITHDEBINFO}")
endif()
if (MEMCMP_INVALID_STRIPPED)
message(WARNING "Currently, GCC ${CMAKE_C_COMPILER_VERSION} is not supported due to a memcmp related bug reported in "
"https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95189.\n"
"We strongly recommend against using the GCC ${CMAKE_C_COMPILER_VERSION} compiler.")
endif ()
endif ()
if(GCC OR CLANG)
# Note clang-cl is odd and sets both CLANG and MSVC. We base our configuration
# primarily on our normal Clang one.
if (NOT CMAKE_C_STANDARD)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c99")
endif ()
# TODO(CryptoAlg-759): enable '-Wpedantic' if awslc has to follow c99 spec.
if(CLANG OR (GCC AND CMAKE_C_COMPILER_VERSION VERSION_GREATER "4.1.3"))
# GCC 4.1.3 and below do not support all of these flags or they raise false positives.
if (MSVC)
# clang-cl sets different default warnings than clang. It also treats -Wall
# as -Weverything, to match MSVC. Instead -W3 is the alias for -Wall.
# See http://llvm.org/viewvc/llvm-project?view=revision&revision=319116
set(C_CXX_FLAGS "${C_CXX_FLAGS} -W3 -fmsc-version=1900")
set(C_CXX_FLAGS "${C_CXX_FLAGS} -Wno-deprecated-declarations")
else()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wextra")
set(C_CXX_FLAGS "${C_CXX_FLAGS} -Wall -fvisibility=hidden -fno-common")
endif()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wunused -Wcomment -Wchar-subscripts -Wuninitialized -Wshadow")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wwrite-strings -Wformat-security -Wunused-result -Wno-overlength-strings")
set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} -Wno-newline-eof")
set(C_CXX_FLAGS "${C_CXX_FLAGS} -Wno-c11-extensions -Wvla -Wtype-limits -Wno-unused-parameter")
endif()
set(C_CXX_FLAGS "${C_CXX_FLAGS} -Werror -Wformat=2 -Wsign-compare -Wmissing-field-initializers -Wwrite-strings")
if(GCC AND CMAKE_C_COMPILER_VERSION VERSION_GREATER "8")
# GCC 8.x added a warning called -Wcast-function-type to the -Wextra umbrella.
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-cast-function-type")
endif()
if(CMAKE_BUILD_TYPE_LOWER STREQUAL "debug" OR CMAKE_BUILD_TYPE_LOWER STREQUAL "relwithdebinfo")
if (MSVC)
set(C_CXX_FLAGS "${C_CXX_FLAGS} /Zi")
else()
if(EMSCRIPTEN)
# emscripten's emcc/clang does not accept the "-ggdb" flag.
set(C_CXX_FLAGS "${C_CXX_FLAGS} -g")
else()
set(C_CXX_FLAGS "${C_CXX_FLAGS} -ggdb")
endif()
endif()
endif()
if(MINGW)
# Some MinGW compilers set _WIN32_WINNT to an older version (Windows Server 2003)
# See: https://learn.microsoft.com/en-us/cpp/porting/modifying-winver-and-win32-winnt?view=msvc-170
# Support Windows 7 and later.
add_definitions(-D_WIN32_WINNT=_WIN32_WINNT_WIN7)
endif()
if(CLANG)
set(C_CXX_FLAGS "${C_CXX_FLAGS} -Wnewline-eof -fcolor-diagnostics")
elseif(CMAKE_C_COMPILER_VERSION VERSION_GREATER "4.1.3")
# GCC (at least 4.8.4) has a bug where it'll find unreachable free() calls
# and declare that the code is trying to free a stack pointer. GCC 4.1.3 and lower
# doesn't support this flag and can't use it.
set(C_CXX_FLAGS "${C_CXX_FLAGS} -Wno-free-nonheap-object")
# GCC (from at least 4.8) does not include -Wmissing-braces in -Wall due to Bug 25137.
# This warning is turned on everywhere internally however, so we have to define it here
# to check that our changes don't break the build.
# See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=25137
set(C_CXX_FLAGS "${C_CXX_FLAGS} -Wmissing-braces")
endif()
# -Wstring-concatenation was added in Clang 12.0.0, which corresponds to
# AppleClang 13.0.0 per the table in
# https://en.wikipedia.org/wiki/Xcode#Toolchain_versions
if((CMAKE_C_COMPILER_ID STREQUAL "Clang" AND
NOT(CMAKE_C_COMPILER_VERSION VERSION_LESS "12.0.0")) OR
(CMAKE_C_COMPILER_ID STREQUAL "AppleClang" AND
NOT(CMAKE_C_COMPILER_VERSION VERSION_LESS "13.0.0")))
set(C_CXX_FLAGS "${C_CXX_FLAGS} -Wstring-concatenation")
endif()
if(CLANG OR NOT "7.0.0" VERSION_GREATER CMAKE_C_COMPILER_VERSION)
set(C_CXX_FLAGS "${C_CXX_FLAGS} -Wimplicit-fallthrough")
endif()
if(CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER "5")
set(C_CXX_FLAGS "${C_CXX_FLAGS} -Wformat-signedness")
endif()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${C_CXX_FLAGS} -Wmissing-prototypes -Wold-style-definition -Wstrict-prototypes")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${C_CXX_FLAGS} -Wmissing-declarations")
if(NOT MSVC)
if (NOT CMAKE_CXX_STANDARD)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
endif ()
if(APPLE)
set(CMAKE_MACOSX_RPATH 1)
endif()
if(NOT BORINGSSL_ALLOW_CXX_RUNTIME)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-exceptions -fno-rtti")
endif()
endif()
# In GCC, -Wmissing-declarations is the C++ spelling of -Wmissing-prototypes
# and using the wrong one is an error. In Clang, -Wmissing-prototypes is the
# spelling for both and -Wmissing-declarations is some other warning.
#
# https://gcc.gnu.org/onlinedocs/gcc-7.1.0/gcc/Warning-Options.html#Warning-Options
# https://clang.llvm.org/docs/DiagnosticsReference.html#wmissing-prototypes
# https://clang.llvm.org/docs/DiagnosticsReference.html#wmissing-declarations
if(CLANG)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wmissing-prototypes")
endif()
if(GCC AND "4.8" VERSION_GREATER CMAKE_C_COMPILER_VERSION AND CMAKE_C_COMPILER_VERSION VERSION_GREATER "4.1.3")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-array-bounds")
endif()
check_compiler("stdalign_check.c" AWS_LC_STDALIGN_AVAILABLE)
check_compiler("builtin_swap_check.c" AWS_LC_BUILTIN_SWAP_SUPPORTED)
if(FIPS AND CMAKE_SYSTEM_NAME STREQUAL "Linux")
check_compiler("linux_u32.c" AWS_LC_URANDOM_U32)
endif()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${COMPILER_CHECK_FLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${COMPILER_CHECK_FLAGS}")
elseif(MSVC)
set(MSVC_DISABLED_WARNINGS_LIST
"C4061" # enumerator 'identifier' in switch of enum 'enumeration' is not
# explicitly handled by a case label
# Disable this because it flags even when there is a default.
"C4100" # 'exarg' : unreferenced formal parameter
"C4127" # conditional expression is constant
"C4146" # unary minus operator applied to unsigned type, result still unsigned
"C4200" # nonstandard extension used : zero-sized array in
# struct/union.
"C4204" # nonstandard extension used: non-constant aggregate initializer
"C4221" # nonstandard extension used : 'identifier' : cannot be
# initialized using address of automatic variable
"C4242" # 'function' : conversion from 'int' to 'uint8_t',
# possible loss of data
"C4244" # 'function' : conversion from 'int' to 'uint8_t',
# possible loss of data
"C4267" # conversion from 'size_t' to 'int', possible loss of data
"C4371" # layout of class may have changed from a previous version of the
# compiler due to better packing of member '...'
"C4388" # signed/unsigned mismatch
"C4296" # '>=' : expression is always true
"C4350" # behavior change: 'std::_Wrap_alloc...'
"C4365" # '=' : conversion from 'size_t' to 'int',
# signed/unsigned mismatch
"C4389" # '!=' : signed/unsigned mismatch
"C4464" # relative include path contains '..'
"C4510" # 'argument' : default constructor could not be generated
"C4512" # 'argument' : assignment operator could not be generated
"C4514" # 'function': unreferenced inline function has been removed
"C4548" # expression before comma has no effect; expected expression with
# side-effect" caused by FD_* macros.
"C4610" # struct 'argument' can never be instantiated - user defined
# constructor required.
"C4623" # default constructor was implicitly defined as deleted
"C4625" # copy constructor could not be generated because a base class
# copy constructor is inaccessible or deleted
"C4626" # assignment operator could not be generated because a base class
# assignment operator is inaccessible or deleted
"C4628" # digraphs not supported with -Ze
"C4668" # 'symbol' is not defined as a preprocessor macro, replacing with
# '0' for 'directives'
# Disable this because GTest uses it everywhere.
"C4706" # assignment within conditional expression
"C4710" # 'function': function not inlined
"C4711" # function 'function' selected for inline expansion
"C4800" # 'int' : forcing value to bool 'true' or 'false'
# (performance warning)
"C4820" # 'bytes' bytes padding added after construct 'member_name'
"C5026" # move constructor was implicitly defined as deleted
"C5027" # move assignment operator was implicitly defined as deleted
"C5045" # Compiler will insert Spectre mitigation for memory load if
# /Qspectre switch specified
"C4255" # no function prototype given: converting '()' to '(void)'
"C4152" # non standard extension, function/data ptr conversion in expression
# used in bcm.c to check functions are inside the FIPS module memory region
"C4295" # array is too small to include a terminating null character
"C4701" # potentially uninitialized local
"C4505" # unreferenced local function has been removed
"C4702" # unreachable code in bcm.c power on tests
"C4191" # unsafe conversion from 'type of expression' to 'type required'
# TODO remove once https://github.com/openssl/openssl/issues/18957 is resolved
"C4996" # deprecated warnings using low level functions in OpenSSL 3.0
"C4746" # consider using __iso_volatile_load/store intrinsic functions
"C5264" # 'variable-name': 'const' variable is not used
"C5266" # 'const' qualifier on return type has no effect
"C5267" # definition of implicit copy constructor for '...' is deprecated because it has a user-provided destructor
)
set(MSVC_LEVEL4_WARNINGS_LIST
# See https://connect.microsoft.com/VisualStudio/feedback/details/1217660/warning-c4265-when-using-functional-header
"C4265" # class has virtual functions, but destructor is not virtual
)
string(REPLACE "C" " -wd" MSVC_DISABLED_WARNINGS_STR
${MSVC_DISABLED_WARNINGS_LIST})
string(REPLACE "C" " -w4" MSVC_LEVEL4_WARNINGS_STR
${MSVC_LEVEL4_WARNINGS_LIST})
set(CMAKE_C_FLAGS "-utf-8 -Wall -WX ${MSVC_DISABLED_WARNINGS_STR} ${MSVC_LEVEL4_WARNINGS_STR}")
set(CMAKE_CXX_FLAGS "-utf-8 -Wall -WX ${MSVC_DISABLED_WARNINGS_STR} ${MSVC_LEVEL4_WARNINGS_STR}")
# If we're using MSVC on Windows in FIPS mode with RelWithDebInfo then we want to override some of the default RelWithDebInfo flags.
# This fixes the problem we run into with RelWithDebInfo and FIPS mode on Windows where the FIPS module wouldn't span the expected symbol.
if(CMAKE_BUILD_TYPE_LOWER MATCHES "relwithdebinfo" AND FIPS)
# /Zi requires the /debug flag for executables/libraries that we want .pdb files for.
# We want to replace the default /debug flag with /DEBUG:FULL, to explicitly make sure that the .pdb files can be used on machines other than one on which it's built.
string(REPLACE "/debug" "/DEBUG:FULL" CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO}")
string(REPLACE "/debug" "/DEBUG:FULL" CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO}")
# The /debug flag also turns off the /OPT linker flag so we want to turn them back on across the board.
set(CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO} /OPT:REF,ICF,LBR")
set(CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO} /OPT:REF,ICF,LBR")
endif()
endif()
if(WIN32)
add_definitions(-D_HAS_EXCEPTIONS=0)
add_definitions(-DWIN32_LEAN_AND_MEAN)
add_definitions(-DNOMINMAX)
# Allow use of fopen.
add_definitions(-D_CRT_SECURE_NO_WARNINGS)
# VS 2017 and higher supports STL-only warning suppressions.
# A bug in CMake < 3.13.0 may cause the space in this value to
# cause issues when building with NASM. In that case, update CMake.
add_definitions("-D_STL_EXTRA_DISABLED_WARNINGS=4774 4987")
endif()
if((GCC AND CMAKE_C_COMPILER_VERSION VERSION_GREATER "4.9.99") OR
CLANG)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wshadow")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wshadow")
endif()
# pthread_rwlock_t on Linux requires a feature flag. We limit this to Linux
# because, on Apple platforms, it instead disables APIs we use. See compat(5)
# and sys/cdefs.h. Reportedly, FreeBSD also breaks when this is set. See
# https://crbug.com/boringssl/471.
if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_XOPEN_SOURCE=700")
endif()
if(FUZZ)
if(NOT CLANG)
message(FATAL_ERROR "You need to build with Clang for fuzzing to work")
endif()
if(CMAKE_C_COMPILER_VERSION VERSION_LESS "6.0.0")
message(FATAL_ERROR "You need Clang ≥ 6.0.0")
endif()
add_definitions(-DBORINGSSL_UNSAFE_DETERMINISTIC_MODE)
set(RUNNER_ARGS "-deterministic")
if(NOT NO_FUZZER_MODE)
add_definitions(-DBORINGSSL_UNSAFE_FUZZER_MODE)
set(RUNNER_ARGS ${RUNNER_ARGS} "-fuzzer" "-shim-config" "fuzzer_mode.json")
endif()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=address,fuzzer-no-link -fsanitize-coverage=edge,indirect-calls")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address,fuzzer-no-link -fsanitize-coverage=edge,indirect-calls")
endif()
if(BUILD_SHARED_LIBS)
add_definitions(-DBORINGSSL_SHARED_LIBRARY)
# Enable position-independent code globally. This is needed because
# some library targets are OBJECT libraries.
set(CMAKE_POSITION_INDEPENDENT_CODE TRUE)
elseif(NOT DEFINED CMAKE_POSITION_INDEPENDENT_CODE)
set(CMAKE_POSITION_INDEPENDENT_CODE TRUE)
endif()
if(MSAN)
if(NOT CLANG)
message(FATAL_ERROR "Cannot enable MSAN unless using Clang")
endif()
if(ASAN)
message(FATAL_ERROR "ASAN and MSAN are mutually exclusive")
endif()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=memory -fsanitize-memory-track-origins -fno-omit-frame-pointer")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=memory -fsanitize-memory-track-origins -fno-omit-frame-pointer")
set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} -fsanitize=memory -fsanitize-memory-track-origins -fno-omit-frame-pointer")
endif()
if(ASAN)
if(NOT CLANG)
message(FATAL_ERROR "Cannot enable ASAN unless using Clang")
endif()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=address -fsanitize-address-use-after-scope -fno-omit-frame-pointer")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address -fsanitize-address-use-after-scope -fno-omit-frame-pointer")
endif()
if(CFI)
if(NOT CLANG)
message(FATAL_ERROR "Cannot enable CFI unless using Clang")
endif()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=cfi -fno-sanitize-trap=cfi -flto=thin")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=cfi -fno-sanitize-trap=cfi -flto=thin")
# We use Chromium's copy of clang, which requires -fuse-ld=lld if building
# with -flto. That, in turn, can't handle -ggdb.
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fuse-ld=lld")
string(REPLACE "-ggdb" "-g" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
string(REPLACE "-ggdb" "-g" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
# -flto causes object files to contain LLVM bitcode. Mixing those with
# assembly output in the same static library breaks the linker.
set(OPENSSL_NO_ASM "1")
endif()
if(TSAN)
if(NOT CLANG)
message(FATAL_ERROR "Cannot enable TSAN unless using Clang")
endif()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=thread")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=thread")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fsanitize=thread")
endif()
if(UBSAN)
if(NOT CLANG)
message(FATAL_ERROR "Cannot enable UBSAN unless using Clang")
endif()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=undefined")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=undefined")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fsanitize=undefined")
if(NOT UBSAN_RECOVER)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fno-sanitize-recover=undefined")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-sanitize-recover=undefined")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fno-sanitize-recover=undefined")
endif()
endif()
if(GCOV)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} --coverage -O0")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --coverage -O0")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} --coverage")
endif()
if(KEEP_ASM_LOCAL_SYMBOLS)
set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} -Wa,-L")
endif()
if(FIPS)
if(NOT GO_EXECUTABLE OR NOT PERL_EXECUTABLE)
message(FATAL_ERROR "Building AWS-LC for FIPS requires Go and Perl")
endif()
if(NOT BUILD_SHARED_LIBS AND NOT (UNIX AND NOT APPLE))
message(FATAL_ERROR "Static FIPS build of AWS-LC is suported only on Linux")
endif()
if(WIN32 AND CMAKE_BUILD_TYPE_LOWER STREQUAL "debug")
message(FATAL_ERROR "Windows Debug build is not supported with FIPS, use Release or RelWithDebInfo")
endif()
add_definitions(-DBORINGSSL_FIPS)
if(FIPS_BREAK_TEST)
add_definitions("-DBORINGSSL_FIPS_BREAK_${FIPS_BREAK_TEST}=1")
endif()
# The FIPS integrity check does not work for ASan and MSan builds.
if(NOT ASAN AND NOT MSAN)
if(BUILD_SHARED_LIBS)
set(FIPS_SHARED "1")
else()
set(FIPS_DELOCATE "1")
endif()
endif()
if(FIPS_SHARED AND ANDROID)
# The Android CMake files set -ffunction-sections and -fdata-sections,
# which is incompatible with FIPS_SHARED.
set(CMAKE_C_FLAGS
"${CMAKE_C_FLAGS} -fno-function-sections -fno-data-sections")
set(CMAKE_CXX_FLAGS
"${CMAKE_CXX_FLAGS} -fno-function-sections -fno-data-sections")
endif()
endif()
if(OPENSSL_SMALL)
add_definitions(-DOPENSSL_SMALL)
endif()
if(CONSTANT_TIME_VALIDATION)
add_definitions(-DBORINGSSL_CONSTANT_TIME_VALIDATION)
# Asserts will often test secret data.
add_definitions(-DNDEBUG)
endif()
# CMake's iOS support uses Apple's multiple-architecture toolchain. It takes an
# architecture list from CMAKE_OSX_ARCHITECTURES, leaves CMAKE_SYSTEM_PROCESSOR
# alone, and expects all architecture-specific logic to be conditioned within
# the source files rather than the build. This does not work for our assembly
# files, so we fix CMAKE_SYSTEM_PROCESSOR and only support single-architecture
# builds.
if(NOT OPENSSL_NO_ASM AND CMAKE_OSX_ARCHITECTURES)
list(LENGTH CMAKE_OSX_ARCHITECTURES NUM_ARCHES)
if(NOT NUM_ARCHES EQUAL 1)
message(FATAL_ERROR "Universal binaries not supported.")
endif()
list(GET CMAKE_OSX_ARCHITECTURES 0 CMAKE_SYSTEM_PROCESSOR)
endif()
if(MALLOC_FAILURE_TESTING)
add_definitions(-DBORINGSSL_MALLOC_FAILURE_TESTING)
endif()
TEST_BIG_ENDIAN(BIG_ENDIAN)
if(OPENSSL_NO_SSE2_FOR_TESTING)
add_definitions(-DOPENSSL_NO_SSE2_FOR_TESTING)
endif()
if(OPENSSL_NO_ASM)
add_definitions(-DOPENSSL_NO_ASM)
set(ARCH "generic")
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "x86_64|amd64|AMD64")
# If ARCH is originally detected as 64-bit, perform an additional check
# to determine whether to build as 32-bit or 64-bit. This happens in some
# cases such as when building in Docker, where the host-level architecture is 64-bit
# but the Docker image should result in building for a 32-bit architecture.
if(CMAKE_SIZEOF_VOID_P EQUAL 8)
set(ARCH "x86_64")
else()
set(ARCH "x86")
endif()
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "x86|i386|i686")
set(ARCH "x86")
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "arm64.*|ARM64|aarch64")
# If ARCH is originally detected as 64-bit, perform an additional check
# to determine whether to build as 32-bit or 64-bit. This happens in some
# cases such as when building on an 64-bit CPU where the OS is 32-bit.
if(CMAKE_SIZEOF_VOID_P EQUAL 8)
set(ARCH "aarch64")
else()
set(ARCH "arm")
endif()
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^arm*")
set(ARCH "arm")
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "powerpc64le|ppc64le")
set(ARCH "ppc64le")
elseif (${CMAKE_SYSTEM_PROCESSOR} STREQUAL "riscv64")
set(ARCH "riscv64")
elseif (${CMAKE_SYSTEM_PROCESSOR} STREQUAL "s390x")
set(ARCH "s390x")
elseif (${CMAKE_SYSTEM_PROCESSOR} STREQUAL "loongarch64")
set(ARCH "loongarch64")
else()
message(STATUS "Unknown processor found. Using generic implementations. Processor: " ${CMAKE_SYSTEM_PROCESSOR})
set(ARCH "generic")
endif()
if(USE_CUSTOM_LIBCXX)
if(NOT CLANG)
message(FATAL_ERROR "USE_CUSTOM_LIBCXX only supported with Clang")
endif()
# The docker images set an environment variable to the llvm project directory which the sandbox builds will use,
# you can also pass in the llvm project path as a CMake parameter which takes precedence over the environment variable
if(DEFINED ENV{LLVM_PROJECT_HOME} AND NOT LLVM_PROJECT_HOME)
set(LLVM_PROJECT_HOME $ENV{LLVM_PROJECT_HOME})
endif()
if(NOT LLVM_PROJECT_HOME)
message(FATAL "Could not find path to LLVM project, must set LLVM_PROJECT_HOME environment variable or pass in -DLLVM_PROJECT_HOME")
endif()
# CMAKE_CXX_FLAGS ends up in the linker flags as well, so use
# add_compile_options. There does not appear to be a way to set
# language-specific compile-only flags.
add_compile_options("-nostdinc++")
set(CMAKE_CXX_LINK_FLAGS "${CMAKE_CXX_LINK_FLAGS} -nostdlib++")
include_directories(
SYSTEM
util/bot/libcxx-config
${LLVM_PROJECT_HOME}/libcxx/include
${LLVM_PROJECT_HOME}/libcxxabi/include
)
# This is patterned after buildtools/third_party/libc++/BUILD.gn and
# buildtools/third_party/libc++abi/BUILD.gn in Chromium.
file(GLOB LIBCXX_SOURCES "${LLVM_PROJECT_HOME}/libcxx/src/*.cpp" "${LLVM_PROJECT_HOME}/libcxx/src/ryu/*.cpp")
file(GLOB LIBCXXABI_SOURCES "${LLVM_PROJECT_HOME}/libcxxabi/src/*.cpp")
# This file is meant for exception-less builds.
list(REMOVE_ITEM LIBCXXABI_SOURCES "${LLVM_PROJECT_HOME}/libcxxabi/src/cxa_noexception.cpp")
# libc++ also defines new and delete.
list(REMOVE_ITEM LIBCXXABI_SOURCES "${LLVM_PROJECT_HOME}/libcxxabi/src/stdlib_new_delete.cpp")
if(TSAN)
# ThreadSanitizer tries to intercept these symbols. Skip them to avoid
# symbol conflicts.
list(REMOVE_ITEM LIBCXXABI_SOURCES "${LLVM_PROJECT_HOME}/libcxxabi/src/cxa_guard.cpp")
endif()
add_library(libcxxabi ${LIBCXXABI_SOURCES})
target_compile_definitions(
libcxxabi PRIVATE
-D_LIBCPP_ENABLE_CXX17_REMOVED_UNEXPECTED_FUNCTIONS
)
add_library(libcxx ${LIBCXX_SOURCES})
if(ASAN OR MSAN OR TSAN)
# Sanitizers try to intercept new and delete.
target_compile_definitions(
libcxx PRIVATE
-D_LIBCPP_DISABLE_NEW_DELETE_DEFINITIONS
)
endif()
target_compile_definitions(
libcxx PRIVATE
-D_LIBCPP_BUILDING_LIBRARY
-DLIBCXX_BUILDING_LIBCXXABI
)
set_target_properties(
libcxx libcxxabi PROPERTIES
COMPILE_FLAGS "-Wno-missing-prototypes -Wno-implicit-fallthrough"
# libc++ and libc++abi must be built in C++20 mode.
CXX_STANDARD 20
CXX_STANDARD_REQUIRED TRUE
)
# libc++abi depends on libc++ internal headers.
set_property(TARGET libcxx libcxxabi APPEND PROPERTY INCLUDE_DIRECTORIES "${LLVM_PROJECT_HOME}/libcxx/src")
target_link_libraries(libcxx libcxxabi)
endif()
if(BUILD_TESTING)
# Add minimal googletest targets. The provided one has many side-effects, and
# googletest has a very straightforward build.
add_library(boringssl_gtest third_party/googletest/src/gtest-all.cc)
if(USE_CUSTOM_LIBCXX)
target_link_libraries(boringssl_gtest libcxx)
endif()
if(BUILD_SHARED_LIBS)
# This is needed for the Windows build to correctly annotate GTest's API with __declspec(dllexport)
target_compile_options(boringssl_gtest PRIVATE -DGTEST_CREATE_SHARED_LIBRARY=1)
endif()
target_include_directories(
boringssl_gtest
PUBLIC third_party/googletest/include
PRIVATE third_party/googletest
)
# Declare a dummy target to build all unit tests. Test targets should inject
# themselves as dependencies next to the target definition.
add_custom_target(all_tests)
# On Windows, CRYPTO_TEST_DATA is too long to fit in command-line limits.
# TODO(davidben): CMake 3.12 has a list(JOIN) command. Use that when we've
# updated the minimum version.
set(EMBED_TEST_DATA_ARGS "")
foreach(arg ${CRYPTO_TEST_DATA})
set(EMBED_TEST_DATA_ARGS "${EMBED_TEST_DATA_ARGS}${arg}\n")
endforeach()
file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/embed_test_data_args.txt"
"${EMBED_TEST_DATA_ARGS}")
if(GO_EXECUTABLE)
add_custom_command(
OUTPUT crypto_test_data.cc
COMMAND ${GO_EXECUTABLE} run util/embed_test_data.go -file-list
"${CMAKE_CURRENT_BINARY_DIR}/embed_test_data_args.txt" >
"${CMAKE_CURRENT_BINARY_DIR}/crypto_test_data.cc"
DEPENDS util/embed_test_data.go ${CRYPTO_TEST_DATA}
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
else()
file(COPY ${GENERATE_CODE_ROOT}/crypto_test_data.cc DESTINATION ${CMAKE_CURRENT_BINARY_DIR}/)
endif()
add_library(crypto_test_data OBJECT crypto_test_data.cc)
# sets tests to compile an so executable file for testing in our Android app CI.
if(ANDROIDTESTRUNNER)
set(CRYPTO_TEST_EXEC crypto_test.so)
set(RANDOM_TEST_EXEC urandom_test.so)
set(SSL_TEST_EXEC ssl_test.so)
set(MEM_TEST_EXEC mem_test.so)
set(MEM_SET_TEST_EXEC mem_set_test.so)
set(INTEGRATION_TEST_EXEC integration_test.so)
set(DYNAMIC_LOADING_TEST_EXEC dynamic_loading_test.so)
set(RWLOCK_STATIC_INIT_TEST_EXEC rwlock_static_init.so)
else()
set(CRYPTO_TEST_EXEC crypto_test)
set(RANDOM_TEST_EXEC urandom_test)
set(SSL_TEST_EXEC ssl_test)
set(MEM_TEST_EXEC mem_test)
set(MEM_SET_TEST_EXEC mem_set_test)
set(INTEGRATION_TEST_EXEC integration_test)
set(DYNAMIC_LOADING_TEST_EXEC dynamic_loading_test)
set(RWLOCK_STATIC_INIT_TEST_EXEC rwlock_static_init)
endif()
add_subdirectory(util/fipstools/acvp/modulewrapper)
endif()
add_subdirectory(crypto)
if(BUILD_LIBSSL)
add_subdirectory(ssl)
if(BUILD_TOOL)
add_subdirectory(tool)
endif()
endif()
add_subdirectory(util/fipstools)
if(FUZZ)
if(LIBFUZZER_FROM_DEPS)
file(GLOB LIBFUZZER_SOURCES "util/bot/libFuzzer/*.cpp")
add_library(Fuzzer STATIC ${LIBFUZZER_SOURCES})
# libFuzzer does not pass our aggressive warnings. It also must be built
# without -fsanitize-coverage options or clang crashes.
set_target_properties(Fuzzer PROPERTIES COMPILE_FLAGS "-Wno-shadow -Wno-format-nonliteral -Wno-missing-prototypes -fsanitize-coverage=0")
endif()
add_subdirectory(fuzz)
endif()
if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
set(HANDSHAKER_ARGS "-handshaker-path" $<TARGET_FILE:handshaker>)
set(SSL_TRANSFER_ARGS "-ssl-transfer-test-file" ${PROJECT_SOURCE_DIR}/ssl/test/runner/ssl_transfer/test_case_names.txt)
if(DEFINED ENV{AWS_LC_SSL_RUNNER_START_INDEX})
set(AWS_LC_SSL_RUNNER_INDEX_FILTER "-test-case-start-index" $ENV{AWS_LC_SSL_RUNNER_START_INDEX})
endif()
if(DEFINED ENV{AWS_LC_SSL_RUNNER_END_INDEX})
set(AWS_LC_SSL_RUNNER_INDEX_FILTER "${AWS_LC_SSL_RUNNER_INDEX_FILTER}" "-test-case-end-index" $ENV{AWS_LC_SSL_RUNNER_END_INDEX})
endif()
endif()
# Define GO_TEST_TIMEOUT based on env variable.
# This is needed because sanitizer test in aarch64 takes 45 mins, which exceeds `go test` default timeout(10m).
# https://golang.org/pkg/cmd/go/internal/test/
if(DEFINED ENV{AWS_LC_GO_TEST_TIMEOUT})
set(GO_TEST_TIMEOUT "$ENV{AWS_LC_GO_TEST_TIMEOUT}")
else()
set(GO_TEST_TIMEOUT "10m")
endif()
if (NOT ${CMAKE_VERSION} VERSION_LESS "3.2")
# USES_TERMINAL is only available in CMake 3.2 or later.
set(MAYBE_USES_TERMINAL USES_TERMINAL)
endif()
if(BUILD_TESTING)
if(GO_EXECUTABLE)
if(FIPS)
if(MSVC)
set(ACVP_TOOL ${PROJECT_BINARY_DIR}/acvptool.exe)
set(TEST_WRAPPER ${PROJECT_BINARY_DIR}/testmodulewrapper.exe)
else()
set(ACVP_TOOL ${PROJECT_BINARY_DIR}/acvptool)
set(TEST_WRAPPER ${PROJECT_BINARY_DIR}/testmodulewrapper)
endif()
# Read util/go_fips_tests.txt into a CMake variable.
file(READ util/go_fips_tests.txt GO_FIPS_TESTS)
string(REPLACE "\n" ";" GO_FIPS_TESTS "${GO_FIPS_TESTS}")