forked from monero-project/monero
-
Notifications
You must be signed in to change notification settings - Fork 0
/
CMakeLists.txt
1268 lines (1117 loc) · 46.3 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
# Copyright (c) 2014-2023, The Monero Project
#
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification, are
# permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this list of
# conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice, this list
# of conditions and the following disclaimer in the documentation and/or other
# materials provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors may be
# used to endorse or promote products derived from this software without specific
# prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
# THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
# THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
list(INSERT CMAKE_MODULE_PATH 0
"${CMAKE_CURRENT_SOURCE_DIR}/cmake")
include(CheckCCompilerFlag)
include(CheckCXXCompilerFlag)
include(CheckLinkerFlag)
include(CheckLibraryExists)
include(CheckFunctionExists)
include(FindPythonInterp)
if (IOS)
INCLUDE(CmakeLists_IOS.txt)
endif()
cmake_minimum_required(VERSION 3.5)
message(STATUS "CMake version ${CMAKE_VERSION}")
project(monero)
option (USE_CCACHE "Use ccache if a usable instance is found" ON)
if (USE_CCACHE)
include(FindCcache) # Has to be included after the project() macro, to be able to read the CXX variable.
else()
message(STATUS "ccache deselected")
endif()
option (USE_COMPILATION_TIME_PROFILER "Use compilation time profiler (for CLang >= 9 only)" OFF)
if (USE_COMPILATION_TIME_PROFILER)
if (NOT "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
message(FATAL_ERROR "The flag USE_COMPILATION_TIME_PROFILER is meant to be set only for CLang compiler!")
endif()
add_compile_options("-ftime-trace")
endif()
if (${CMAKE_VERSION} VERSION_GREATER "3.0.0" AND CMAKE_MAKE_PROGRAM MATCHES "ninja")
set(MONERO_PARALLEL_COMPILE_JOBS "" CACHE STRING "The maximum number of concurrent compilation jobs.")
if (MONERO_PARALLEL_COMPILE_JOBS)
set_property(GLOBAL APPEND PROPERTY JOB_POOLS compile_job_pool=${MONERO_PARALLEL_COMPILE_JOBS})
set(CMAKE_JOB_POOL_COMPILE compile_job_pool)
endif ()
set(MONERO_PARALLEL_LINK_JOBS "" CACHE STRING "The maximum number of concurrent link jobs.")
if (MONERO_PARALLEL_LINK_JOBS)
set_property(GLOBAL APPEND PROPERTY JOB_POOLS link_job_pool=${MONERO_PARALLEL_LINK_JOBS})
set(CMAKE_JOB_POOL_LINK link_job_pool)
endif ()
endif ()
option (USE_CLANG_TIDY_C "Lint the code with clang-tidy - variant C" OFF)
option (USE_CLANG_TIDY_CXX "Lint the code with clang-tidy - variant C++" OFF)
if (USE_CLANG_TIDY_C AND USE_CLANG_TIDY_CXX)
message(FATAL_ERROR "Enabling both USE_CLANG_TIDY_C and USE_CLANG_TIDY_CXX simultaneously crashes clang-tidy.")
endif()
if (USE_CLANG_TIDY_C OR USE_CLANG_TIDY_CXX)
include(SetClangTidy)
endif()
if (USE_CLANG_TIDY_C)
monero_clang_tidy("C")
elseif (USE_CLANG_TIDY_CXX)
monero_clang_tidy("CXX")
endif()
enable_language(C ASM)
# Require C11/C++11 and disable extensions for all targets
set(CMAKE_C_STANDARD 11)
set(CMAKE_C_STANDARD_REQUIRED ON)
set(CMAKE_C_EXTENSIONS OFF)
set(CMAKE_CXX_STANDARD 14)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
function (die msg)
if (NOT WIN32)
string(ASCII 27 Esc)
set(ColourReset "${Esc}[m")
set(BoldRed "${Esc}[1;31m")
else ()
set(ColourReset "")
set(BoldRed "")
endif ()
message(FATAL_ERROR "${BoldRed}${msg}${ColourReset}")
endfunction ()
function (add_c_flag_if_supported flag var)
# Prepending the flag with -Werror will only add the flag,
# if it doesn't result in generation of a warning of using a flag unknown to the compiler.
set(TMP "-Werror ${flag}")
string(REGEX REPLACE "[- ]" "_" supported ${TMP}_c)
check_c_compiler_flag(${TMP} ${supported})
if(${${supported}})
set(${var} "${${var}} ${flag}" PARENT_SCOPE)
endif()
endfunction()
function (add_cxx_flag_if_supported flag var)
set(TMP "-Werror ${flag}")
string(REGEX REPLACE "[- ]" "_" supported ${TMP}_cxx)
check_cxx_compiler_flag(${TMP} ${supported})
if(${${supported}})
set(${var} "${${var}} ${flag}" PARENT_SCOPE)
endif()
endfunction()
function (add_linker_flag_if_supported flag var)
string(REPLACE "-" "_" supported ${flag}_ld)
string(REPLACE "," "_" supported ${flag}_ld)
check_linker_flag(${flag} ${supported})
if(${${supported}})
set(${var} "${${var}} ${flag}" PARENT_SCOPE)
endif()
endfunction()
function (add_definition_if_function_found function var)
string(REPLACE "-" "_" supported ${function}_function)
check_function_exists(${function} ${supported})
if(${${supported}})
add_definitions("-D${var}")
endif()
endfunction()
function (add_definition_if_library_exists library function header var)
string(REPLACE "-" "_" supported ${function}_library)
check_library_exists(${library} ${function} ${header} ${supported})
if(${${supported}})
add_definitions("-D${var}")
endif()
endfunction()
option(RELINK_TARGETS "Relink targets, when just a dependant .so changed, but not its header?" OFF)
function (monero_set_target_no_relink target)
if (RELINK_TARGETS MATCHES OFF)
# Will not relink the target, when just its dependant .so has changed, but not it's interface
set_target_properties("${target}" PROPERTIES LINK_DEPENDS_NO_SHARED true)
endif()
endfunction()
option(STRIP_TARGETS "Strip symbols from targets?" OFF)
function (monero_set_target_strip target)
if (STRIP_TARGETS)
set_target_properties("${target}" PROPERTIES LINK_FLAGS_RELEASE -s)
set_target_properties("${target}" PROPERTIES LINK_FLAGS_DEBUG -s)
# Stripping from Debug might make sense if you're low on disk space, but want to test if debug version builds properly.
endif()
endfunction()
function (monero_add_minimal_executable name)
source_group("${name}"
FILES
${ARGN})
add_executable("${name}"
${ARGN})
monero_set_target_no_relink("${name}")
monero_set_target_strip ("${name}")
endfunction()
# Finds all headers in a directory and its subdirs, to be able to search for them and autosave in IDEs.
#
# Parameters:
# - headers_found: Output variable, which will hold the found headers
# - module_root_dir: The search path for the headers. Typically it will be the module's root dir, so "${CMAKE_CURRENT_SOURCE_DIR}" or a derivative of it.
macro (monero_find_all_headers headers_found module_root_dir)
file(GLOB ${headers_found}
"${module_root_dir}/*.h*" # h* will include hpps as well.
"${module_root_dir}/**/*.h*" # Any number of subdirs will be included.
"${module_root_dir}/*.inl" # .inl is typically template code and is being treated as headers (it's being included).
"${module_root_dir}/**/*.inl"
)
endmacro()
# Function to forbid undefined symbols and also verify
# 1) Test project with all types of libraries and without undefined symbols can compile successfully
# 2) Test project with all types of libraries and undefined symbols can not compile successfully
function(forbid_undefined_symbols)
unset(TMP)
# https://www.unix.com/man-page/linux/1/ld, --no-undefined, Report unresolved symbol references from regular object files.
add_linker_flag_if_supported(-Wl,--no-undefined TMP)
# https://www.unix.com/man-page/osx/1/ld/, -undefined, Specifies how undefined symbols are to be treated.
add_linker_flag_if_supported(-Wl,-undefined,error TMP)
string(APPEND CMAKE_SHARED_LINKER_FLAGS ${TMP})
string(APPEND CMAKE_MODULE_LINKER_FLAGS ${TMP})
set(CMAKE_SHARED_LINKER_FLAGS ${CMAKE_SHARED_LINKER_FLAGS} PARENT_SCOPE)
set(CMAKE_MODULE_LINKER_FLAGS ${CMAKE_MODULE_LINKER_FLAGS} PARENT_SCOPE)
set(TEST_PROJECT "${CMAKE_BINARY_DIR}/${CMAKE_FILES_DIRECTORY}/CMakeTmp/test_project")
foreach(EXPECT IN ITEMS TRUE FALSE)
file(REMOVE_RECURSE "${TEST_PROJECT}")
file(MAKE_DIRECTORY "${TEST_PROJECT}")
file(WRITE "${TEST_PROJECT}/CMakeLists.txt"
[=[
cmake_minimum_required(VERSION 3.1)
project(test)
option(EXPECT_SUCCESS "" ON)
file(WRITE "${CMAKE_SOURCE_DIR}/incorrect_source.cpp" "void undefined_symbol(); void symbol() { undefined_symbol(); }")
if (EXPECT_SUCCESS)
file(APPEND "${CMAKE_SOURCE_DIR}/incorrect_source.cpp" " void undefined_symbol() {}; ")
endif()
add_library(l0 SHARED incorrect_source.cpp)
add_library(l1 MODULE incorrect_source.cpp)
add_library(l2 STATIC incorrect_source.cpp)
add_library(l3 OBJECT incorrect_source.cpp)
]=]
)
try_compile(SUCCESS "${TEST_PROJECT}/build" "${TEST_PROJECT}" test
CMAKE_FLAGS
"-DCMAKE_SHARED_LINKER_FLAGS=${CMAKE_SHARED_LINKER_FLAGS}"
"-DCMAKE_MODULE_LINKER_FLAGS=${CMAKE_MODULE_LINKER_FLAGS}"
"-DEXPECT_SUCCESS=${EXPECT}"
)
if (NOT ${SUCCESS} STREQUAL ${EXPECT})
message(FATAL_ERROR "Undefined symbols test failure: expect(${EXPECT}), success(${SUCCESS})")
endif()
file(REMOVE_RECURSE "${TEST_PROJECT}")
endforeach()
endfunction()
if (NOT (CMAKE_SYSTEM_NAME MATCHES "kOpenBSD.*|OpenBSD.*") AND NOT OSSFUZZ)
forbid_undefined_symbols()
endif()
if (MINGW)
function(export_all_symbols)
unset(TMP)
add_linker_flag_if_supported(-Wl,--export-all-symbols TMP)
string(APPEND CMAKE_SHARED_LINKER_FLAGS ${TMP})
string(APPEND CMAKE_MODULE_LINKER_FLAGS ${TMP})
set(CMAKE_SHARED_LINKER_FLAGS ${CMAKE_SHARED_LINKER_FLAGS} PARENT_SCOPE)
set(CMAKE_MODULE_LINKER_FLAGS ${CMAKE_MODULE_LINKER_FLAGS} PARENT_SCOPE)
endfunction()
export_all_symbols()
endif()
if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE Release CACHE STRING "Build type" FORCE)
message(STATUS "Setting default build type: ${CMAKE_BUILD_TYPE}")
endif()
string(TOLOWER ${CMAKE_BUILD_TYPE} CMAKE_BUILD_TYPE_LOWER)
# ARCH defines the target architecture, either by an explicit identifier or
# one of the following two keywords. By default, ARCH a value of 'native':
# target arch = host arch, binary is not portable. When ARCH is set to the
# string 'default', no -march arg is passed, which creates a binary that is
# portable across processors in the same family as host processor. In cases
# when ARCH is not set to an explicit identifier, cmake's builtin is used
# to identify the target architecture, to direct logic in this cmake script.
# Since ARCH is a cached variable, it will not be set on first cmake invocation.
if (NOT ARCH_ID)
if (NOT ARCH OR ARCH STREQUAL "" OR ARCH STREQUAL "native" OR ARCH STREQUAL "default")
if(CMAKE_SYSTEM_PROCESSOR STREQUAL "")
set(CMAKE_SYSTEM_PROCESSOR ${CMAKE_HOST_SYSTEM_PROCESSOR})
endif()
set(ARCH_ID "${CMAKE_SYSTEM_PROCESSOR}")
else()
set(ARCH_ID "${ARCH}")
endif()
endif()
string(TOLOWER "${ARCH_ID}" ARM_ID)
string(SUBSTRING "${ARM_ID}" 0 3 ARM_TEST)
if (ARM_TEST STREQUAL "arm")
set(ARM 1)
string(SUBSTRING "${ARM_ID}" 0 5 ARM_TEST)
if (ARM_TEST STREQUAL "armv6")
set(ARM6 1)
endif()
if (ARM_TEST STREQUAL "armv7")
set(ARM7 1)
endif()
endif()
if (ARM_ID STREQUAL "aarch64" OR ARM_ID STREQUAL "arm64" OR ARM_ID STREQUAL "armv8-a")
set(ARM 1)
set(ARM8 1)
set(ARCH "armv8-a")
endif()
if(ARCH_ID STREQUAL "ppc64le")
set(PPC64LE 1)
set(PPC64 0)
set(PPC 0)
endif()
if(ARCH_ID STREQUAL "powerpc64" OR ARCH_ID STREQUAL "ppc64")
set(PPC64LE 0)
set(PPC64 1)
set(PPC 0)
endif()
if(ARCH_ID STREQUAL "powerpc" OR ARCH_ID STREQUAL "ppc")
set(PPC64LE 0)
set(PPC64 0)
set(PPC 1)
endif()
if(ARCH_ID STREQUAL "s390x")
set(S390X 1)
endif()
if(ARCH_ID STREQUAL "riscv64")
set(RISCV 1)
set(RISCV64 1)
endif()
if(ARCH_ID STREQUAL "riscv32")
set(RISCV 1)
set(RISCV32 1)
endif()
if(WIN32 OR ARM OR PPC64LE OR PPC64 OR PPC)
set(OPT_FLAGS_RELEASE "-O2")
else()
set(OPT_FLAGS_RELEASE "-Ofast")
endif()
# BUILD_TAG is used to select the build type to check for a new version
if(BUILD_TAG)
message(STATUS "Building build tag ${BUILD_TAG}")
add_definitions("-DBUILD_TAG=${BUILD_TAG}")
else()
message(STATUS "Building without build tag")
endif()
if(NOT MANUAL_SUBMODULES)
find_package(Git)
if(GIT_FOUND)
function (check_submodule relative_path)
execute_process(COMMAND git rev-parse "HEAD" WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/${relative_path} OUTPUT_VARIABLE localHead)
execute_process(COMMAND git rev-parse "HEAD:${relative_path}" WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} OUTPUT_VARIABLE checkedHead)
string(COMPARE EQUAL "${localHead}" "${checkedHead}" upToDate)
if (upToDate)
message(STATUS "Submodule '${relative_path}' is up-to-date")
else()
message(FATAL_ERROR "Submodule '${relative_path}' is not up-to-date. Please update all submodules with\ngit submodule update --init --force\nor run cmake with -DMANUAL_SUBMODULES=1\n")
endif()
endfunction ()
message(STATUS "Checking submodules")
check_submodule(external/miniupnp)
check_submodule(external/rapidjson)
check_submodule(external/trezor-common)
check_submodule(external/randomx)
check_submodule(external/supercop)
endif()
endif()
set(CMAKE_C_FLAGS_RELEASE "-DNDEBUG ${OPT_FLAGS_RELEASE}")
set(CMAKE_CXX_FLAGS_RELEASE "-DNDEBUG ${OPT_FLAGS_RELEASE}")
# set this to 0 if per-block checkpoint needs to be disabled
set(PER_BLOCK_CHECKPOINT 1)
if(PER_BLOCK_CHECKPOINT)
add_definitions("-DPER_BLOCK_CHECKPOINT")
set(Blocks "blocks")
else()
set(Blocks "")
endif()
list(INSERT CMAKE_MODULE_PATH 0
"${CMAKE_SOURCE_DIR}/cmake")
if (NOT DEFINED ENV{DEVELOPER_LOCAL_TOOLS})
message(STATUS "Could not find DEVELOPER_LOCAL_TOOLS in env (not required)")
set(BOOST_IGNORE_SYSTEM_PATHS_DEFAULT OFF)
elseif ("$ENV{DEVELOPER_LOCAL_TOOLS}" EQUAL 1)
message(STATUS "Found: env DEVELOPER_LOCAL_TOOLS = 1")
set(BOOST_IGNORE_SYSTEM_PATHS_DEFAULT ON)
else()
message(STATUS "Found: env DEVELOPER_LOCAL_TOOLS = 0")
set(BOOST_IGNORE_SYSTEM_PATHS_DEFAULT OFF)
endif()
message(STATUS "BOOST_IGNORE_SYSTEM_PATHS defaults to ${BOOST_IGNORE_SYSTEM_PATHS_DEFAULT}")
option(BOOST_IGNORE_SYSTEM_PATHS "Ignore boost system paths for local boost installation" ${BOOST_IGNORE_SYSTEM_PATHS_DEFAULT})
set_property(GLOBAL PROPERTY USE_FOLDERS ON)
enable_testing()
option(BUILD_DOCUMENTATION "Build the Doxygen documentation." ON)
option(BUILD_TESTS "Build tests." OFF)
if (CMAKE_BUILD_TYPE STREQUAL "Debug")
set(DEFAULT_BUILD_DEBUG_UTILITIES ON)
else()
set(DEFAULT_BUILD_DEBUG_UTILITIES OFF)
endif()
option(BUILD_DEBUG_UTILITIES "Build debug utilities." ${DEFAULT_BUILD_DEBUG_UTILITIES})
if(OSSFUZZ)
message(STATUS "Using OSS-Fuzz fuzzing system")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DOSSFUZZ")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DOSSFUZZ")
endif()
# Check whether we're on a 32-bit or 64-bit system
if(CMAKE_SIZEOF_VOID_P EQUAL "8")
set(DEFAULT_BUILD_64 ON)
else()
set(DEFAULT_BUILD_64 OFF)
endif()
option(BUILD_64 "Build for 64-bit? 'OFF' builds for 32-bit." ${DEFAULT_BUILD_64})
if(BUILD_64)
set(ARCH_WIDTH "64")
else()
set(ARCH_WIDTH "32")
endif()
message(STATUS "Building for a ${ARCH_WIDTH}-bit system")
# Check if we're on FreeBSD so we can exclude the local miniupnpc (it should be installed from ports instead)
# CMAKE_SYSTEM_NAME checks are commonly known, but specifically taken from libsdl's CMakeLists
if(CMAKE_SYSTEM_NAME MATCHES "kFreeBSD.*|FreeBSD")
set(FREEBSD TRUE)
endif()
# Check if we're on DragonFly BSD. See the README.md for build instructions.
if(CMAKE_SYSTEM_NAME MATCHES "DragonFly.*")
set(DRAGONFLY TRUE)
endif()
# Check if we're on OpenBSD. See the README.md for build instructions.
if(CMAKE_SYSTEM_NAME MATCHES "kOpenBSD.*|OpenBSD.*")
set(OPENBSD TRUE)
elseif(CMAKE_SYSTEM_NAME MATCHES "kNetBSD.*|NetBSD.*")
set(NETBSD TRUE)
elseif(CMAKE_SYSTEM_NAME MATCHES ".*BSDI.*")
set(BSDI TRUE)
endif()
include_directories(external/rapidjson/include external/easylogging++ src contrib/epee/include external external/supercop/include)
if(APPLE)
cmake_policy(SET CMP0042 NEW)
endif()
if(MSVC OR MINGW)
set(DEFAULT_STATIC true)
else()
set(DEFAULT_STATIC false)
endif()
option(STATIC "Link libraries statically" ${DEFAULT_STATIC})
# This is a CMake built-in switch that concerns internal libraries
set(BUILD_SHARED_LIBS_DEFAULT OFF)
if (NOT STATIC AND CMAKE_BUILD_TYPE_LOWER STREQUAL "debug")
set(BUILD_SHARED_LIBS_DEFAULT ON)
endif()
option(BUILD_SHARED_LIBS "Build internal libraries as shared" ${BUILD_SHARED_LIBS_DEFAULT})
if (BUILD_SHARED_LIBS)
message(STATUS "Building internal libraries with position independent code")
add_definitions("-DBUILD_SHARED_LIBS")
else()
message(STATUS "Building internal libraries as static")
endif()
set(PIC_FLAG "-fPIC")
if(MINGW)
string(REGEX MATCH "^[^/]:/[^/]*" msys2_install_path "${CMAKE_C_COMPILER}")
message(STATUS "MSYS location: ${msys2_install_path}")
set(CMAKE_INCLUDE_PATH "${msys2_install_path}/mingw${ARCH_WIDTH}/include")
# This is necessary because otherwise CMake will make Boost libraries -lfoo
# rather than a full path. Unfortunately, this makes the shared libraries get
# linked due to a bug in CMake which misses putting -static flags around the
# -lfoo arguments.
set(DEFLIB ${msys2_install_path}/mingw${ARCH_WIDTH}/lib)
list(REMOVE_ITEM CMAKE_C_IMPLICIT_LINK_DIRECTORIES ${DEFLIB})
list(REMOVE_ITEM CMAKE_CXX_IMPLICIT_LINK_DIRECTORIES ${DEFLIB})
endif()
if(STATIC)
if(MSVC)
set(CMAKE_FIND_LIBRARY_SUFFIXES .lib .dll.a .a ${CMAKE_FIND_LIBRARY_SUFFIXES})
else()
set(CMAKE_FIND_LIBRARY_SUFFIXES .a ${CMAKE_FIND_LIBRARY_SUFFIXES})
endif()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DZMQ_STATIC")
endif()
option(SANITIZE "Use ASAN memory sanitizer" OFF)
if(SANITIZE)
if (MSVC)
message(FATAL_ERROR "Cannot sanitize with MSVC")
else()
message(STATUS "Using ASAN")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=address")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address")
endif()
endif()
# Set default blockchain storage location:
# memory was the default in Cryptonote before Monero implemented LMDB, it still works but is unnecessary.
# set(DATABASE memory)
set(DATABASE lmdb)
message(STATUS "Using LMDB as default DB type")
set(BLOCKCHAIN_DB DB_LMDB)
add_definitions("-DDEFAULT_DB_TYPE=\"lmdb\"")
add_definitions("-DBLOCKCHAIN_DB=${BLOCKCHAIN_DB}")
# Can't install hook in static build on OSX, because OSX linker does not support --wrap
# On ARM, having libunwind package (with .so's only) installed breaks static link.
# When possible, avoid stack tracing using libunwind in favor of using easylogging++.
if (APPLE OR NETBSD)
set(DEFAULT_STACK_TRACE OFF)
set(LIBUNWIND_LIBRARIES "")
elseif (DEPENDS AND NOT LINUX)
set(DEFAULT_STACK_TRACE OFF)
set(LIBUNWIND_LIBRARIES "")
elseif(CMAKE_C_COMPILER_ID STREQUAL "GNU" AND NOT MINGW)
set(DEFAULT_STACK_TRACE ON)
set(STACK_TRACE_LIB "easylogging++") # for diag output only
set(LIBUNWIND_LIBRARIES "")
elseif (ARM)
set(DEFAULT_STACK_TRACE OFF)
set(LIBUNWIND_LIBRARIES "")
else()
find_package(Libunwind)
if(LIBUNWIND_FOUND)
set(DEFAULT_STACK_TRACE ON)
set(STACK_TRACE_LIB "libunwind") # for diag output only
else()
set(DEFAULT_STACK_TRACE OFF)
set(LIBUNWIND_LIBRARIES "")
endif()
endif()
option(STACK_TRACE "Install a hook that dumps stack on exception" ${DEFAULT_STACK_TRACE})
if(STACK_TRACE)
message(STATUS "Stack trace on exception enabled (using ${STACK_TRACE_LIB})")
else()
message(STATUS "Stack trace on exception disabled")
endif()
if (UNIX AND NOT APPLE)
# Note that at the time of this writing the -Wstrict-prototypes flag added below will make this fail
set(THREADS_PREFER_PTHREAD_FLAG ON)
find_package(Threads)
add_c_flag_if_supported(-pthread CMAKE_C_FLAGS)
add_cxx_flag_if_supported(-pthread CMAKE_CXX_FLAGS)
endif()
# Handle OpenSSL, used for sha256sum on binary updates and light wallet ssl http
if (CMAKE_SYSTEM_NAME MATCHES "(SunOS|Solaris)")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pthreads")
endif ()
if (APPLE AND NOT IOS)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility=default")
if (NOT OPENSSL_ROOT_DIR)
EXECUTE_PROCESS(COMMAND brew --prefix openssl
OUTPUT_VARIABLE OPENSSL_ROOT_DIR
OUTPUT_STRIP_TRAILING_WHITESPACE)
message(STATUS "Using OpenSSL found at ${OPENSSL_ROOT_DIR}")
endif()
endif()
find_package(OpenSSL REQUIRED)
message(STATUS "Using OpenSSL include dir at ${OPENSSL_INCLUDE_DIR}")
include_directories(${OPENSSL_INCLUDE_DIR})
if(STATIC AND NOT IOS)
if(UNIX)
set(OPENSSL_LIBRARIES "${OPENSSL_LIBRARIES};${CMAKE_DL_LIBS};${CMAKE_THREAD_LIBS_INIT}")
endif()
endif()
if (WIN32)
list(APPEND OPENSSL_LIBRARIES ws2_32 crypt32)
endif()
find_package(HIDAPI)
add_definition_if_library_exists(c memset_s "string.h" HAVE_MEMSET_S)
add_definition_if_library_exists(c explicit_bzero "strings.h" HAVE_EXPLICIT_BZERO)
add_definition_if_function_found(strptime HAVE_STRPTIME)
add_definitions(-DAUTO_INITIALIZE_EASYLOGGINGPP)
set(MONERO_GENERATED_HEADERS_DIR "${CMAKE_CURRENT_BINARY_DIR}/generated_include")
include_directories(${MONERO_GENERATED_HEADERS_DIR})
# As of OpenBSD 6.8, -march=<anything> breaks the build
function(set_default_arch)
if (OPENBSD)
set(ARCH default)
else()
set(ARCH native)
endif()
set(ARCH ${ARCH} CACHE STRING "CPU to build for: -march value or 'default' to not pass -march at all")
endfunction()
if (NOT (MSVC OR ARCH))
set_default_arch()
endif()
option(COVERAGE "Enable profiling for test coverage report" OFF)
if(COVERAGE)
message(STATUS "Building with profiling for test coverage report")
endif()
macro (monero_enable_coverage)
if(COVERAGE)
foreach(COV_FLAG -fprofile-arcs -ftest-coverage --coverage)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${COV_FLAG}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${COV_FLAG}")
endforeach()
endif()
endmacro()
function (monero_add_library name)
monero_add_library_with_deps(NAME "${name}" SOURCES ${ARGN})
endfunction()
function (monero_add_library_with_deps)
cmake_parse_arguments(MONERO_ADD_LIBRARY "" "NAME" "DEPENDS;SOURCES" ${ARGN})
source_group("${MONERO_ADD_LIBRARY_NAME}" FILES ${MONERO_ADD_LIBRARY_SOURCES})
# Define a ("virtual") object library and an actual library that links those
# objects together. The virtual libraries can be arbitrarily combined to link
# any subset of objects into one library archive. This is used for releasing
# libwallet, which combines multiple components.
set(objlib obj_${MONERO_ADD_LIBRARY_NAME})
add_library(${objlib} OBJECT ${MONERO_ADD_LIBRARY_SOURCES})
add_library("${MONERO_ADD_LIBRARY_NAME}" $<TARGET_OBJECTS:${objlib}>)
monero_set_target_no_relink("${MONERO_ADD_LIBRARY_NAME}")
monero_set_target_strip ("${MONERO_ADD_LIBRARY_NAME}")
if (MONERO_ADD_LIBRARY_DEPENDS)
add_dependencies(${objlib} ${MONERO_ADD_LIBRARY_DEPENDS})
endif()
set_property(TARGET "${MONERO_ADD_LIBRARY_NAME}" PROPERTY FOLDER "libs")
target_compile_definitions(${objlib}
PRIVATE $<TARGET_PROPERTY:${MONERO_ADD_LIBRARY_NAME},INTERFACE_COMPILE_DEFINITIONS>)
endfunction ()
# Generate header for embedded translations
# Generate header for embedded translations, use target toolchain if depends, otherwise use the
# lrelease and lupdate binaries from the host
include(ExternalProject)
ExternalProject_Add(generate_translations_header
SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/translations"
BINARY_DIR "${CMAKE_CURRENT_BINARY_DIR}/translations"
STAMP_DIR ${LRELEASE_PATH}
CMAKE_ARGS -DLRELEASE_PATH=${LRELEASE_PATH}
INSTALL_COMMAND ${CMAKE_COMMAND} -E echo "")
include_directories("${CMAKE_CURRENT_BINARY_DIR}/translations")
add_subdirectory(external)
# Final setup for libunbound
include_directories(${UNBOUND_INCLUDE_DIR})
# Final setup for easylogging++
include_directories(${EASYLOGGING_INCLUDE})
link_directories(${EASYLOGGING_LIBRARY_DIRS})
# Final setup for liblmdb
include_directories(${LMDB_INCLUDE})
# Final setup for libunwind
include_directories(${LIBUNWIND_INCLUDE})
link_directories(${LIBUNWIND_LIBRARY_DIRS})
# Final setup for hid
if (HIDAPI_FOUND)
message(STATUS "Using HIDAPI include dir at ${HIDAPI_INCLUDE_DIR}")
add_definitions(-DHAVE_HIDAPI)
include_directories(${HIDAPI_INCLUDE_DIR})
link_directories(${LIBHIDAPI_LIBRARY_DIRS})
else()
message(STATUS "Could not find HIDAPI")
endif()
# Trezor support check
include(CheckTrezor)
if(MSVC)
add_definitions("/bigobj /MP /W3 /GS- /D_CRT_SECURE_NO_WARNINGS /wd4996 /wd4345 /D_WIN32_WINNT=0x0600 /DWIN32_LEAN_AND_MEAN /DGTEST_HAS_TR1_TUPLE=0 /D__SSE4_1__")
# set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /Dinline=__inline")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /STACK:10485760")
if(STATIC)
foreach(VAR CMAKE_C_FLAGS_DEBUG CMAKE_CXX_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE CMAKE_CXX_FLAGS_RELEASE)
string(REPLACE "/MD" "/MT" ${VAR} "${${VAR}}")
endforeach()
endif()
else()
include(TestCXXAcceptsFlag)
message(STATUS "Building on ${CMAKE_SYSTEM_PROCESSOR} for ${ARCH}")
if(ARCH STREQUAL "default")
set(ARCH_FLAG "")
elseif(PPC64LE)
set(ARCH_FLAG "-mcpu=power8")
elseif(PPC64)
set(ARCH_FLAG "-mcpu=970")
elseif(PPC)
set(ARCH_FLAG "-mcpu=7400")
elseif(IOS AND ARCH STREQUAL "arm64")
message(STATUS "IOS: Changing arch from arm64 to armv8")
set(ARCH_FLAG "-march=armv8")
else()
set(ARCH_FLAG "-march=${ARCH}")
if(ARCH STREQUAL "native")
check_c_compiler_flag(-march=native CC_SUPPORTS_MARCH_NATIVE)
if (NOT CC_SUPPORTS_MARCH_NATIVE)
check_c_compiler_flag(-mtune=native CC_SUPPORTS_MTUNE_NATIVE)
if (CC_SUPPORTS_MTUNE_NATIVE)
set(ARCH_FLAG "-mtune=${ARCH}")
else()
set(ARCH_FLAG "")
endif()
endif()
endif()
endif()
option(NO_AES "Explicitly disable AES support" ${NO_AES})
if(NO_AES)
message(STATUS "AES support explicitly disabled")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DNO_AES")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DNO_AES")
elseif(NOT ARM AND NOT PPC64LE AND NOT PPC64 AND NOT PPC AND NOT S390X AND NOT RISCV)
message(STATUS "AES support enabled")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -maes")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -maes")
elseif(PPC64LE OR PPC64 OR PPC)
message(STATUS "AES support not available on POWER")
elseif(S390X)
message(STATUS "AES support not available on s390x")
elseif(RISCV)
message(STATUS "AES support not available on RISC-V")
elseif(ARM6)
message(STATUS "AES support not available on ARMv6")
elseif(ARM7)
message(STATUS "AES support not available on ARMv7")
elseif(ARM8)
CHECK_CXX_ACCEPTS_FLAG("-march=${ARCH}+crypto" ARCH_PLUS_CRYPTO)
if(ARCH_PLUS_CRYPTO)
message(STATUS "Crypto extensions enabled for ARMv8")
set(ARCH_FLAG "-march=${ARCH}+crypto")
else()
message(STATUS "Crypto extensions unavailable on your ARMv8 device")
endif()
else()
message(STATUS "AES support disabled")
endif()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${ARCH_FLAG}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${ARCH_FLAG}")
set(WARNINGS "-Wall -Wextra -Wpointer-arith -Wundef -Wvla -Wwrite-strings -Wno-error=extra -Wno-error=deprecated-declarations -Wno-unused-parameter -Wno-error=unused-variable -Wno-error=undef -Wno-error=uninitialized")
if(CMAKE_C_COMPILER_ID MATCHES "Clang" OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
if(ARM)
set(WARNINGS "${WARNINGS} -Wno-error=inline-asm")
endif()
else()
set(WARNINGS "${WARNINGS} -Wlogical-op -Wno-error=maybe-uninitialized -Wno-error=cpp")
endif()
if(MINGW)
set(WARNINGS "${WARNINGS} -Wno-error=unused-value -Wno-error=unused-but-set-variable")
set(MINGW_FLAG "${MINGW_FLAG} -DWIN32_LEAN_AND_MEAN")
set(Boost_THREADAPI win32)
# mingw doesn't support LTO (multiple definition errors at link time)
set(USE_LTO_DEFAULT false)
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--stack,10485760")
if(NOT BUILD_64)
add_definitions(-DWINVER=0x0600 -D_WIN32_WINNT=0x0600)
endif()
endif()
set(C_WARNINGS "-Waggregate-return -Wnested-externs -Wold-style-definition -Wstrict-prototypes")
set(CXX_WARNINGS "-Wno-reorder -Wno-missing-field-initializers")
try_compile(STATIC_ASSERT_RES "${CMAKE_CURRENT_BINARY_DIR}/static-assert" "${CMAKE_CURRENT_SOURCE_DIR}/cmake/test-static-assert.c" CMAKE_FLAGS -DCMAKE_C_STANDARD=11)
if(STATIC_ASSERT_RES)
set(STATIC_ASSERT_FLAG "")
else()
set(STATIC_ASSERT_FLAG "-Dstatic_assert=_Static_assert")
endif()
try_compile(STATIC_ASSERT_CPP_RES "${CMAKE_CURRENT_BINARY_DIR}/static-assert" "${CMAKE_CURRENT_SOURCE_DIR}/cmake/test-static-assert.cpp" CMAKE_FLAGS -DCMAKE_CXX_STANDARD=11)
if(STATIC_ASSERT_CPP_RES)
set(STATIC_ASSERT_CPP_FLAG "")
else()
set(STATIC_ASSERT_CPP_FLAG "-Dstatic_assert=_Static_assert")
endif()
monero_enable_coverage()
# With GCC 6.1.1 the compiled binary malfunctions due to aliasing. Until that
# is fixed in the code (Issue #847), force compiler to be conservative.
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fno-strict-aliasing")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-strict-aliasing")
# if those don't work for your compiler, single it out where appropriate
if(CMAKE_BUILD_TYPE STREQUAL "Release" AND NOT OPENBSD)
set(C_SECURITY_FLAGS "${C_SECURITY_FLAGS} -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1")
set(CXX_SECURITY_FLAGS "${CXX_SECURITY_FLAGS} -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1")
endif()
# warnings
add_c_flag_if_supported(-Wformat C_SECURITY_FLAGS)
add_cxx_flag_if_supported(-Wformat CXX_SECURITY_FLAGS)
add_c_flag_if_supported(-Wformat-security C_SECURITY_FLAGS)
add_cxx_flag_if_supported(-Wformat-security CXX_SECURITY_FLAGS)
# -fstack-protector
if (NOT OPENBSD AND NOT (WIN32 AND (CMAKE_C_COMPILER_ID STREQUAL "GNU" AND CMAKE_C_COMPILER_VERSION VERSION_LESS 9.1)))
add_c_flag_if_supported(-fstack-protector C_SECURITY_FLAGS)
add_cxx_flag_if_supported(-fstack-protector CXX_SECURITY_FLAGS)
add_c_flag_if_supported(-fstack-protector-strong C_SECURITY_FLAGS)
add_cxx_flag_if_supported(-fstack-protector-strong CXX_SECURITY_FLAGS)
endif()
# New in GCC 8.2
if (NOT OPENBSD AND NOT (WIN32 AND (CMAKE_C_COMPILER_ID STREQUAL "GNU" AND CMAKE_C_COMPILER_VERSION VERSION_LESS 9.1)))
add_c_flag_if_supported(-fcf-protection=full C_SECURITY_FLAGS)
add_cxx_flag_if_supported(-fcf-protection=full CXX_SECURITY_FLAGS)
endif()
if (NOT WIN32 AND NOT OPENBSD)
add_c_flag_if_supported(-fstack-clash-protection C_SECURITY_FLAGS)
add_cxx_flag_if_supported(-fstack-clash-protection CXX_SECURITY_FLAGS)
endif()
# Removed in GCC 9.1 (or before ?), but still accepted, so spams the output
if (NOT (CMAKE_C_COMPILER_ID STREQUAL "GNU" AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 9.1))
add_c_flag_if_supported(-mmitigate-rop C_SECURITY_FLAGS)
add_cxx_flag_if_supported(-mmitigate-rop CXX_SECURITY_FLAGS)
endif()
# linker
if (NOT SANITIZE AND NOT OSSFUZZ AND NOT (WIN32 AND (CMAKE_C_COMPILER_ID STREQUAL "GNU" AND (CMAKE_C_COMPILER_VERSION VERSION_LESS 9.1 OR NOT STATIC))))
# PIE executables randomly crash at startup with ASAN
# Windows binaries die on startup with PIE when compiled with GCC <9.x
# Windows dynamically-linked binaries die on startup with PIE regardless of GCC version
if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
# Clang does not support -pie flag
add_linker_flag_if_supported("-Wl,-pie" LD_SECURITY_FLAGS)
else()
add_linker_flag_if_supported("-pie" LD_SECURITY_FLAGS)
endif()
endif()
add_linker_flag_if_supported(-Wl,-z,relro LD_SECURITY_FLAGS)
add_linker_flag_if_supported(-Wl,-z,now LD_SECURITY_FLAGS)
add_linker_flag_if_supported(-Wl,-z,noexecstack noexecstack_SUPPORTED)
if (noexecstack_SUPPORTED)
set(LD_SECURITY_FLAGS "${LD_SECURITY_FLAGS} -Wl,-z,noexecstack")
endif()
add_linker_flag_if_supported(-Wl,-z,noexecheap noexecheap_SUPPORTED)
if (noexecheap_SUPPORTED)
set(LD_SECURITY_FLAGS "${LD_SECURITY_FLAGS} -Wl,-z,noexecheap")
endif()
if(BACKCOMPAT)
add_linker_flag_if_supported(-Wl,--wrap=__divmoddi4 LD_BACKCOMPAT_FLAGS)
add_linker_flag_if_supported(-Wl,--wrap=glob LD_BACKCOMPAT_FLAGS)
message(STATUS "Using Lib C back compat flags: ${LD_BACKCOMPAT_FLAGS}")
endif()
# some windows linker bits
if (WIN32)
add_linker_flag_if_supported(-Wl,--dynamicbase LD_SECURITY_FLAGS)
add_linker_flag_if_supported(-Wl,--nxcompat LD_SECURITY_FLAGS)
add_linker_flag_if_supported(-Wl,--high-entropy-va LD_SECURITY_FLAGS)
endif()
# Warnings, that when ignored are so severe, that they can segfault or even UB any application.
# Treat them as errors.
add_c_flag_if_supported( -Werror=switch C_SECURITY_FLAGS)
add_cxx_flag_if_supported(-Werror=switch CXX_SECURITY_FLAGS)
add_c_flag_if_supported( -Werror=return-type C_SECURITY_FLAGS)
add_cxx_flag_if_supported(-Werror=return-type CXX_SECURITY_FLAGS)
message(STATUS "Using C security hardening flags: ${C_SECURITY_FLAGS}")
message(STATUS "Using C++ security hardening flags: ${CXX_SECURITY_FLAGS}")
message(STATUS "Using linker security hardening flags: ${LD_SECURITY_FLAGS}")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_GNU_SOURCE ${MINGW_FLAG} ${STATIC_ASSERT_FLAG} ${WARNINGS} ${C_WARNINGS} ${PIC_FLAG} ${C_SECURITY_FLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D_GNU_SOURCE ${MINGW_FLAG} ${STATIC_ASSERT_CPP_FLAG} ${WARNINGS} ${CXX_WARNINGS} ${PIC_FLAG} ${CXX_SECURITY_FLAGS}")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${LD_SECURITY_FLAGS} ${LD_BACKCOMPAT_FLAGS}")
# With GCC 6.1.1 the compiled binary malfunctions due to aliasing. Until that
# is fixed in the code (Issue #847), force compiler to be conservative.
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fno-strict-aliasing")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-strict-aliasing")
if(ARM)
message(STATUS "Setting FPU Flags for ARM Processors")
#NB NEON hardware does not fully implement the IEEE 754 standard for floating-point arithmetic
#Need custom assembly code to take full advantage of NEON SIMD
#Cortex-A5/9 -mfpu=neon-fp16
#Cortex-A7/15 -mfpu=neon-vfpv4
#Cortex-A8 -mfpu=neon
#ARMv8 -FP and SIMD on by default for all ARM8v-A series, NO -mfpu setting needed
#For custom -mtune, processor IDs for ARMv8-A series:
#0xd04 - Cortex-A35
#0xd07 - Cortex-A57
#0xd08 - Cortex-A72
#0xd03 - Cortex-A73
if(NOT ARM8)
CHECK_CXX_ACCEPTS_FLAG(-mfpu=vfp3-d16 CXX_ACCEPTS_VFP3_D16)
CHECK_CXX_ACCEPTS_FLAG(-mfpu=vfp4 CXX_ACCEPTS_VFP4)
CHECK_CXX_ACCEPTS_FLAG(-mfloat-abi=hard CXX_ACCEPTS_MFLOAT_HARD)
CHECK_CXX_ACCEPTS_FLAG(-mfloat-abi=softfp CXX_ACCEPTS_MFLOAT_SOFTFP)
endif()
if(ARM8)
CHECK_CXX_ACCEPTS_FLAG(-mfix-cortex-a53-835769 CXX_ACCEPTS_MFIX_CORTEX_A53_835769)
CHECK_CXX_ACCEPTS_FLAG(-mfix-cortex-a53-843419 CXX_ACCEPTS_MFIX_CORTEX_A53_843419)
endif()
if(ARM6)
message(STATUS "Selecting VFP for ARMv6")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfpu=vfp")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfpu=vfp")
if(DEPENDS)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -marm")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -marm")
endif()
endif(ARM6)
if(ARM7)
if(CXX_ACCEPTS_VFP3_D16 AND NOT CXX_ACCEPTS_VFP4)
message(STATUS "Selecting VFP3 for ARMv7")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfpu=vfp3-d16")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfpu=vfp3-d16")
endif()
if(CXX_ACCEPTS_VFP4)
message(STATUS "Selecting VFP4 for ARMv7")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfpu=vfp4")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfpu=vfp4")
endif()
if(CXX_ACCEPTS_MFLOAT_HARD)
message(STATUS "Setting Hardware ABI for Floating Point")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfloat-abi=hard")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfloat-abi=hard")
endif()
if(CXX_ACCEPTS_MFLOAT_SOFTFP AND NOT CXX_ACCEPTS_MFLOAT_HARD)
message(STATUS "Setting Software ABI for Floating Point")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfloat-abi=softfp")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfloat-abi=softfp")
endif()
endif(ARM7)
if(ARM8)
if(CXX_ACCEPTS_MFIX_CORTEX_A53_835769)
message(STATUS "Enabling Cortex-A53 workaround 835769")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfix-cortex-a53-835769")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfix-cortex-a53-835769")
endif()
if(CXX_ACCEPTS_MFIX_CORTEX_A53_843419)
message(STATUS "Enabling Cortex-A53 workaround 843419")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfix-cortex-a53-843419")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfix-cortex-a53-843419")
endif()
endif(ARM8)
endif(ARM)
# random crash on startup when asan is on if pie is enabled
if(NOT SANITIZE AND ANDROID AND NOT BUILD_GUI_DEPS STREQUAL "ON" OR IOS)
#From Android 5: "only position independent executables (PIE) are supported"
message(STATUS "Enabling PIE executable")
set(PIC_FLAG "")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIE")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIE")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_CXX_FLAGS} -fPIE -pie")
endif()
if(APPLE)