forked from c-ares/c-ares
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathCMakeLists.txt
908 lines (794 loc) · 37.9 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
# Copyright (C) The c-ares project and its contributors
# SPDX-License-Identifier: MIT
CMAKE_MINIMUM_REQUIRED (VERSION 3.5.0...3.10.0)
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/")
INCLUDE (CheckIncludeFiles)
INCLUDE (CheckTypeSize)
INCLUDE (CheckFunctionExists)
INCLUDE (CheckSymbolExists)
INCLUDE (CheckCSourceCompiles)
INCLUDE (CheckStructHasMember)
INCLUDE (CheckLibraryExists)
PROJECT (c-ares LANGUAGES C VERSION "1.34.4" )
# Set this version before release
SET (CARES_VERSION "${PROJECT_VERSION}")
INCLUDE (GNUInstallDirs) # include this *AFTER* PROJECT(), otherwise paths are wrong.
# This is for libtool compatibility, and specified in a form that is easily
# translatable from libtool (even if the actual form doesn't make sense).
# For instance, in an autotools project, in Makefile.am there is a line that
# contains something like:
# -version-info 4:0:2
# This breaks down into sections of current:revision:age
# This then generates a version of "(current-age).age.revision" with an
# interface version of "(current-age)"
# For example, a version of 4:0:2 would generate output such as:
# libname.so -> libname.so.2
# libname.so.2 -> libname.so.2.2.0
SET (CARES_LIB_VERSIONINFO "21:3:19")
OPTION (CARES_STATIC "Build as a static library" OFF)
OPTION (CARES_SHARED "Build as a shared library" ON)
OPTION (CARES_INSTALL "Create installation targets (chain builders may want to disable this)" ON)
OPTION (CARES_STATIC_PIC "Build the static library as PIC (position independent)" OFF)
OPTION (CARES_BUILD_TESTS "Build and run tests" OFF)
OPTION (CARES_BUILD_CONTAINER_TESTS "Build and run container tests (implies CARES_BUILD_TESTS, Linux only)" OFF)
OPTION (CARES_BUILD_TOOLS "Build tools" ON)
OPTION (CARES_SYMBOL_HIDING "Hide private symbols in shared libraries" OFF)
OPTION (CARES_THREADS "Build with thread-safety support" ON)
OPTION (CARES_COVERAGE "Build for code coverage" OFF)
SET (CARES_RANDOM_FILE "/dev/urandom" CACHE STRING "Suitable File / Device Path for entropy, such as /dev/urandom")
# Tests require a C++14 compiler
IF (CARES_BUILD_TESTS OR CARES_BUILD_CONTAINER_TESTS)
set(CMAKE_CXX_STANDARD 14)
set(CMAKE_CXX_STANDARD_REQUIRED TRUE)
set(CMAKE_CXX_EXTENSIONS FALSE)
enable_language(CXX)
ENDIF ()
# Tests require static to be enabled on Windows to be able to access otherwise hidden symbols
IF ((CARES_BUILD_TESTS OR CARES_BUILD_CONTAINER_TESTS) AND (NOT CARES_STATIC) AND WIN32)
SET (CARES_STATIC ON)
SET (CARES_STATIC_PIC ON)
MESSAGE (WARNING "Static building was requested be disabled, but re-enabled to support tests")
ENDIF ()
INCLUDE (EnableWarnings)
IF (MSVC)
# allow linking against the static runtime library in msvc
OPTION (CARES_MSVC_STATIC_RUNTIME "Link against the static runtime library" OFF)
IF (CARES_MSVC_STATIC_RUNTIME)
# CMAKE_CONFIGURATION_TYPES is empty on non-IDE generators (Ninja, NMake)
# and that's why we also use CMAKE_BUILD_TYPE to cover for those generators.
# For IDE generators, CMAKE_BUILD_TYPE is usually empty
FOREACH (config_type ${CMAKE_CONFIGURATION_TYPES} ${CMAKE_BUILD_TYPE})
STRING (TOUPPER ${config_type} upper_config_type)
SET (flag_var "CMAKE_C_FLAGS_${upper_config_type}")
IF (${flag_var} MATCHES "/MD")
STRING (REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
ENDIF ()
ENDFOREACH ()
# clean up
SET (upper_config_type)
SET (config_type)
SET (flag_var)
ENDIF ()
ENDIF ()
IF (CARES_SYMBOL_HIDING)
IF (CMAKE_VERSION VERSION_LESS 3.12)
MESSAGE (FATAL_ERROR "Hiding symbols requires CMake 3.12")
ENDIF ()
CMAKE_POLICY (SET CMP0063 NEW)
ENDIF ()
# Keep build organized, but only if it is the top-level project.
# CMake 3.21 or later has PROJECT_IS_TOP_LEVEL, but we aren't yet depending on
# that version.
IF (CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
SET (CMAKE_RUNTIME_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/${CMAKE_INSTALL_BINDIR}")
SET (CMAKE_LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/${CMAKE_INSTALL_LIBDIR}")
SET (CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/${CMAKE_INSTALL_LIBDIR}")
SET (CMAKE_COMPILE_PDB_OUTPUT_DIRECTORY "${CMAKE_RUNTIME_OUTPUT_DIRECTORY}")
ENDIF ()
# Destinations for installing different kinds of targets (pass to install command).
SET (TARGETS_INST_DEST
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
BUNDLE DESTINATION ${CMAKE_INSTALL_BINDIR}
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
)
# Function in Library
# CHECK_LIBRARY_EXISTS can't be used as it will return true if the function
# is found in a different required/dependent library.
MACRO (CARES_FUNCTION_IN_LIBRARY func lib var)
SET (_ORIG_FIL_CMAKE_REQUIRED_LIBRARIES "${CMAKE_REQUIRED_LIBRARIES}")
SET (CMAKE_REQUIRED_LIBRARIES )
CHECK_FUNCTION_EXISTS ("${func}" "_CARES_FUNC_IN_LIB_GLOBAL_${func}")
SET (CMAKE_REQUIRED_LIBRARIES "${_ORIG_FIL_CMAKE_REQUIRED_LIBRARIES}")
IF ("${_CARES_FUNC_IN_LIB_GLOBAL_${func}}")
SET (${var} FALSE)
ELSE ()
CHECK_LIBRARY_EXISTS ("${lib}" "${func}" "" ${var})
ENDIF ()
ENDMACRO ()
# Look for dependent/required libraries
CARES_FUNCTION_IN_LIBRARY (res_servicename resolv HAVE_RES_SERVICENAME_IN_LIBRESOLV)
IF (HAVE_RES_SERVICENAME_IN_LIBRESOLV)
SET (HAVE_LIBRESOLV 1)
ENDIF ()
IF (APPLE)
CHECK_C_SOURCE_COMPILES ("
#include <stdio.h>
#include <TargetConditionals.h>
int main() {
#if TARGET_OS_IPHONE == 0
#error Not an iPhone target
#endif
return 0;
}
"
IOS)
CHECK_C_SOURCE_COMPILES ("
#include <stdio.h>
#include <TargetConditionals.h>
int main() {
#if TARGET_OS_IPHONE == 0 || __IPHONE_OS_VERSION_MIN_REQUIRED < 100000
# error Not iOS v10
#endif
return 0;
}
"
IOS_V10)
CHECK_C_SOURCE_COMPILES ("
#include <stdio.h>
#include <AvailabilityMacros.h>
#ifndef MAC_OS_X_VERSION_10_12
# define MAC_OS_X_VERSION_10_12 101200
#endif
int main() {
#if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_12
# error Not MacOSX 10.12 or higher
#endif
return 0;
}
"
MACOS_V1012)
ENDIF ()
IF (ZOS AND HAVE_LIBRESOLV)
SET (CARES_USE_LIBRESOLV 1)
ENDIF()
CARES_FUNCTION_IN_LIBRARY (gethostbyname nsl HAVE_LIBNSL)
CARES_FUNCTION_IN_LIBRARY (gethostbyname socket HAVE_GHBN_LIBSOCKET)
CARES_FUNCTION_IN_LIBRARY (gethostbyname network HAVE_LIBNETWORK)
CARES_FUNCTION_IN_LIBRARY (socket socket HAVE_SOCKET_LIBSOCKET)
IF (HAVE_GHBN_LIBSOCKET OR HAVE_SOCKET_LIBSOCKET)
SET(HAVE_LIBSOCKET TRUE)
ENDIF ()
CARES_FUNCTION_IN_LIBRARY (socket network HAVE_LIBNETWORK)
CARES_FUNCTION_IN_LIBRARY (clock_gettime rt HAVE_LIBRT)
# Look for necessary includes
CHECK_INCLUDE_FILES (AvailabilityMacros.h HAVE_AVAILABILITYMACROS_H)
CHECK_INCLUDE_FILES (sys/types.h HAVE_SYS_TYPES_H)
CHECK_INCLUDE_FILES (sys/random.h HAVE_SYS_RANDOM_H)
CHECK_INCLUDE_FILES (sys/socket.h HAVE_SYS_SOCKET_H)
CHECK_INCLUDE_FILES (sys/sockio.h HAVE_SYS_SOCKIO_H)
CHECK_INCLUDE_FILES (arpa/inet.h HAVE_ARPA_INET_H)
CHECK_INCLUDE_FILES (arpa/nameser_compat.h HAVE_ARPA_NAMESER_COMPAT_H)
CHECK_INCLUDE_FILES (arpa/nameser.h HAVE_ARPA_NAMESER_H)
CHECK_INCLUDE_FILES (assert.h HAVE_ASSERT_H)
CHECK_INCLUDE_FILES (errno.h HAVE_ERRNO_H)
CHECK_INCLUDE_FILES (fcntl.h HAVE_FCNTL_H)
CHECK_INCLUDE_FILES (inttypes.h HAVE_INTTYPES_H)
CHECK_INCLUDE_FILES (limits.h HAVE_LIMITS_H)
CHECK_INCLUDE_FILES (malloc.h HAVE_MALLOC_H)
CHECK_INCLUDE_FILES (memory.h HAVE_MEMORY_H)
CHECK_INCLUDE_FILES (netdb.h HAVE_NETDB_H)
CHECK_INCLUDE_FILES (netinet/in.h HAVE_NETINET_IN_H)
CHECK_INCLUDE_FILES (netinet6/in6.h HAVE_NETINET6_IN6_H)
# On old MacOS SDK versions, you must include sys/socket.h before net/if.h
IF (HAVE_SYS_SOCKET_H)
CHECK_INCLUDE_FILES ("sys/socket.h;net/if.h" HAVE_NET_IF_H)
ELSE ()
CHECK_INCLUDE_FILES (net/if.h HAVE_NET_IF_H)
ENDIF ()
CHECK_INCLUDE_FILES (signal.h HAVE_SIGNAL_H)
CHECK_INCLUDE_FILES (socket.h HAVE_SOCKET_H)
CHECK_INCLUDE_FILES (stdbool.h HAVE_STDBOOL_H)
CHECK_INCLUDE_FILES (stdint.h HAVE_STDINT_H)
CHECK_INCLUDE_FILES (stdlib.h HAVE_STDLIB_H)
CHECK_INCLUDE_FILES (strings.h HAVE_STRINGS_H)
CHECK_INCLUDE_FILES (string.h HAVE_STRING_H)
CHECK_INCLUDE_FILES (stropts.h HAVE_STROPTS_H)
CHECK_INCLUDE_FILES (sys/ioctl.h HAVE_SYS_IOCTL_H)
CHECK_INCLUDE_FILES (sys/param.h HAVE_SYS_PARAM_H)
CHECK_INCLUDE_FILES (sys/select.h HAVE_SYS_SELECT_H)
CHECK_INCLUDE_FILES (sys/stat.h HAVE_SYS_STAT_H)
CHECK_INCLUDE_FILES (sys/time.h HAVE_SYS_TIME_H)
CHECK_INCLUDE_FILES (sys/uio.h HAVE_SYS_UIO_H)
CHECK_INCLUDE_FILES (sys/event.h HAVE_SYS_EVENT_H)
CHECK_INCLUDE_FILES (sys/epoll.h HAVE_SYS_EPOLL_H)
CHECK_INCLUDE_FILES (ifaddrs.h HAVE_IFADDRS_H)
CHECK_INCLUDE_FILES (time.h HAVE_TIME_H)
CHECK_INCLUDE_FILES (poll.h HAVE_POLL_H)
CHECK_INCLUDE_FILES (dlfcn.h HAVE_DLFCN_H)
CHECK_INCLUDE_FILES (unistd.h HAVE_UNISTD_H)
# On OpenBSD, you must include sys/types.h before netinet/tcp.h
IF (HAVE_SYS_TYPES_H)
CHECK_INCLUDE_FILES ("sys/types.h;netinet/tcp.h" HAVE_NETINET_TCP_H)
ELSE ()
CHECK_INCLUDE_FILES (netinet/tcp.h HAVE_NETINET_TCP_H)
ENDIF ()
# Include order matters for these windows files.
# As cygwin environment has both socket.h and winsock2.h
# headers check WIN32 not to include the later one here
IF (WIN32)
CHECK_INCLUDE_FILES ("winsock2.h;windows.h" HAVE_WINSOCK2_H)
CHECK_INCLUDE_FILES ("winsock2.h;ws2tcpip.h;windows.h" HAVE_WS2TCPIP_H)
CHECK_INCLUDE_FILES ("winsock2.h;iphlpapi.h;windows.h" HAVE_IPHLPAPI_H)
CHECK_INCLUDE_FILES ("winsock2.h;netioapi.h;windows.h" HAVE_NETIOAPI_H)
CHECK_INCLUDE_FILES ("winsock2.h;mswsock.h;windows.h" HAVE_MSWSOCK_H)
CHECK_INCLUDE_FILES ("winsock.h;windows.h" HAVE_WINSOCK_H)
CHECK_INCLUDE_FILES (windows.h HAVE_WINDOWS_H)
CHECK_INCLUDE_FILES ("windows.h;winternl.h" HAVE_WINTERNL_H)
CHECK_INCLUDE_FILES ("windows.h;ntdef.h" HAVE_NTDEF_H)
CHECK_INCLUDE_FILES ("windows.h;ntdef.h;ntstatus.h" HAVE_NTSTATUS_H)
ENDIF ()
# Set system-specific compiler flags
IF (CMAKE_SYSTEM_NAME STREQUAL "Darwin")
LIST (APPEND SYSFLAGS -D_DARWIN_C_SOURCE)
ELSEIF (CMAKE_SYSTEM_NAME STREQUAL "Linux" OR CMAKE_SYSTEM_NAME STREQUAL "Android")
LIST (APPEND SYSFLAGS -D_GNU_SOURCE -D_POSIX_C_SOURCE=200809L -D_XOPEN_SOURCE=700)
ELSEIF (CMAKE_SYSTEM_NAME STREQUAL "SunOS")
LIST (APPEND SYSFLAGS -D__EXTENSIONS__ -D_REENTRANT -D_XOPEN_SOURCE=600)
ELSEIF (CMAKE_SYSTEM_NAME STREQUAL "AIX")
LIST (APPEND SYSFLAGS -D_ALL_SOURCE -D_XOPEN_SOURCE=700 -D_USE_IRS)
ELSEIF (CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
# Don't define _XOPEN_SOURCE on FreeBSD, it actually reduces visibility instead of increasing it
ELSEIF (CMAKE_SYSTEM_NAME STREQUAL "QNX")
LIST (APPEND SYSFLAGS -D_QNX_SOURCE)
ELSEIF (WIN32)
LIST (APPEND SYSFLAGS -DWIN32_LEAN_AND_MEAN -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE)
IF (NOT CMAKE_C_FLAGS MATCHES ".*-D_WIN32_WINNT=.*")
LIST (APPEND SYSFLAGS -D_WIN32_WINNT=0x0602)
ENDIF ()
ENDIF ()
ADD_DEFINITIONS(${SYSFLAGS})
# Tell C-Ares about libraries to depend on
IF (HAVE_LIBRESOLV)
LIST (APPEND CARES_DEPENDENT_LIBS resolv)
ENDIF ()
IF (HAVE_LIBNSL)
LIST (APPEND CARES_DEPENDENT_LIBS nsl)
ENDIF ()
IF (HAVE_LIBSOCKET)
LIST (APPEND CARES_DEPENDENT_LIBS socket)
ENDIF ()
IF (HAVE_LIBNETWORK)
LIST (APPEND CARES_DEPENDENT_LIBS network)
ENDIF ()
IF (HAVE_LIBRT)
LIST (APPEND CARES_DEPENDENT_LIBS rt)
ENDIF ()
IF (WIN32)
LIST (APPEND CARES_DEPENDENT_LIBS ws2_32 advapi32 iphlpapi)
ENDIF ()
# When checking for symbols, we need to make sure we set the proper
# headers, libraries, and definitions for the detection to work properly
# CMAKE_REQUIRED_DEFINITIONS, CMAKE_REQUIRED_LIBRARIES, and
# CMAKE_EXTRA_INCLUDE_FILES. When we're done with the detection, we'll
# restore them to their original values (otherwise a parent project
# that tries to set these won't be maintained, see Issue #729)
SET (ORIG_CMAKE_REQUIRED_DEFINITIONS ${CMAKE_REQUIRED_DEEFINITIONS})
SET (ORIG_CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES})
SET (ORIG_CMAKE_EXTRA_INCLUDE_FILES ${CMAKE_EXTRA_INCLUDE_FILES})
SET (CMAKE_REQUIRED_DEFINITIONS ${SYSFLAGS})
LIST (APPEND CMAKE_REQUIRED_LIBRARIES ${CARES_DEPENDENT_LIBS})
MACRO (CARES_EXTRAINCLUDE_IFSET var include)
IF (${var})
LIST (APPEND CMAKE_EXTRA_INCLUDE_FILES ${include})
ENDIF ()
ENDMACRO ()
CARES_EXTRAINCLUDE_IFSET (HAVE_AVAILABILITYMACROS_H AvailabilityMacros.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_STDBOOL_H stdbool.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_SYS_TYPES_H sys/types.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_ARPA_INET_H arpa/inet.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_ARPA_NAMESER_H arpa/nameser.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_NETDB_H netdb.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_NET_IF_H net/if.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_IFADDRS_H ifaddrs.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_NETINET_IN_H netinet/in.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_NETINET6_IN6_H netinet6/in6.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_NETINET_TCP_H netinet/tcp.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_SIGNAL_H signal.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_STDLIB_H stdlib.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_STRING_H string.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_STRINGS_H strings.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_SYS_IOCTL_H sys/ioctl.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_SYS_RANDOM_H sys/random.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_SYS_SELECT_H sys/select.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_SYS_SOCKET_H sys/socket.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_SYS_SOCKIO_H sys/sockio.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_SYS_TIME_H sys/time.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_SYS_STAT_H sys/stat.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_SYS_UIO_H sys/uio.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_SYS_EVENT_H sys/event.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_SYS_EPOLL_H sys/epoll.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_TIME_H time.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_POLL_H poll.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_FCNTL_H fcntl.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_UNISTD_H unistd.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_WINSOCK2_H winsock2.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_WS2TCPIP_H ws2tcpip.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_IPHLPAPI_H iphlpapi.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_WINDOWS_H windows.h)
# Check Types
# CHECK_TYPE_SIZE can't be used to see if a type exists because on Apple when
# building multi-arch, it will throw an error. So we need to wrap
# CHECK_C_SOURCE_COMPILES for our tests.
MACRO (CARES_TYPE_EXISTS type var)
SET(_CARES_C_SOURCE "
#include <stdio.h>
#include <stdlib.h>
")
FOREACH(_C_HEADER ${CMAKE_EXTRA_INCLUDE_FILES})
SET(_CARES_C_SOURCE "${_CARES_C_SOURCE}
#include <${_C_HEADER}>")
ENDFOREACH(_C_HEADER)
SET(_CARES_C_SOURCE "${_CARES_C_SOURCE}
int main() {
${type} var_exists;
(void)var_exists;
return 0;
}
")
CHECK_C_SOURCE_COMPILES ("${_CARES_C_SOURCE}" ${var})
ENDMACRO ()
CARES_TYPE_EXISTS (socklen_t HAVE_SOCKLEN_T)
CARES_TYPE_EXISTS (SOCKET HAVE_TYPE_SOCKET)
CARES_TYPE_EXISTS (ssize_t HAVE_SSIZE_T)
CARES_TYPE_EXISTS ("long long" HAVE_LONGLONG)
CARES_TYPE_EXISTS ("struct addrinfo" HAVE_STRUCT_ADDRINFO)
CARES_TYPE_EXISTS ("struct in6_addr" HAVE_STRUCT_IN6_ADDR)
CARES_TYPE_EXISTS ("struct sockaddr_in6" HAVE_STRUCT_SOCKADDR_IN6)
CARES_TYPE_EXISTS ("struct sockaddr_storage" HAVE_STRUCT_SOCKADDR_STORAGE)
CARES_TYPE_EXISTS ("struct timeval" HAVE_STRUCT_TIMEVAL)
CARES_TYPE_EXISTS ("OVERLAPPED_ENTRY" HAVE_OVERLAPPED_ENTRY)
# Check for preprocessor defines
CHECK_SYMBOL_EXISTS (AF_INET6 "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_AF_INET6)
CHECK_SYMBOL_EXISTS (O_NONBLOCK "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_O_NONBLOCK)
CHECK_SYMBOL_EXISTS (FIONBIO "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_FIONBIO)
CHECK_SYMBOL_EXISTS (SIOCGIFADDR "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_IOCTL_SIOCGIFADDR)
CHECK_SYMBOL_EXISTS (MSG_NOSIGNAL "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_MSG_NOSIGNAL)
CHECK_SYMBOL_EXISTS (PF_INET6 "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_PF_INET6)
CHECK_SYMBOL_EXISTS (SO_NONBLOCK "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_SO_NONBLOCK)
# XCode v8 bug: iOS when targeting less than v10, or MacOS when targeting less than v10.12 will
# say clock_gettime exists, it is a weak symbol that only exists in iOS10/MacOS10.12 and will
# cause a crash at runtime when running on older versions. Skip finding CLOCK_MONOTONIC on older
# OS's.
IF ((NOT APPLE) OR IOS_V10 OR MACOS_V1012)
CHECK_SYMBOL_EXISTS (CLOCK_MONOTONIC "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_CLOCK_GETTIME_MONOTONIC)
ENDIF ()
CHECK_STRUCT_HAS_MEMBER("struct sockaddr_in6" sin6_scope_id "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_STRUCT_SOCKADDR_IN6_SIN6_SCOPE_ID LANGUAGE C)
CHECK_SYMBOL_EXISTS (strnlen "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_STRNLEN)
CHECK_SYMBOL_EXISTS (memmem "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_MEMMEM)
CHECK_SYMBOL_EXISTS (closesocket "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_CLOSESOCKET)
CHECK_SYMBOL_EXISTS (CloseSocket "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_CLOSESOCKET_CAMEL)
CHECK_SYMBOL_EXISTS (connect "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_CONNECT)
CHECK_SYMBOL_EXISTS (connectx "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_CONNECTX)
CHECK_SYMBOL_EXISTS (fcntl "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_FCNTL)
CHECK_SYMBOL_EXISTS (freeaddrinfo "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_FREEADDRINFO)
CHECK_SYMBOL_EXISTS (getaddrinfo "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_GETADDRINFO)
CHECK_SYMBOL_EXISTS (getenv "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_GETENV)
CHECK_SYMBOL_EXISTS (gethostname "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_GETHOSTNAME)
CHECK_SYMBOL_EXISTS (getnameinfo "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_GETNAMEINFO)
CHECK_SYMBOL_EXISTS (getrandom "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_GETRANDOM)
CHECK_SYMBOL_EXISTS (getservbyport_r "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_GETSERVBYPORT_R)
CHECK_SYMBOL_EXISTS (getservbyname_r "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_GETSERVBYNAME_R)
CHECK_SYMBOL_EXISTS (gettimeofday "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_GETTIMEOFDAY)
CHECK_SYMBOL_EXISTS (if_indextoname "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_IF_INDEXTONAME)
CHECK_SYMBOL_EXISTS (if_nametoindex "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_IF_NAMETOINDEX)
CHECK_SYMBOL_EXISTS (GetBestRoute2 "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_GETBESTROUTE2)
CHECK_SYMBOL_EXISTS (WSAIoctl "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_WSAIOCTL)
CHECK_SYMBOL_EXISTS (GetQueuedCompletionStatusEx "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_GETQUEUEDCOMPLETIONSTATUSEX)
CHECK_SYMBOL_EXISTS (ConvertInterfaceIndexToLuid "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_CONVERTINTERFACEINDEXTOLUID)
CHECK_SYMBOL_EXISTS (ConvertInterfaceLuidToNameA "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_CONVERTINTERFACELUIDTONAMEA)
CHECK_SYMBOL_EXISTS (NotifyIpInterfaceChange "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_NOTIFYIPINTERFACECHANGE)
CHECK_SYMBOL_EXISTS (RegisterWaitForSingleObject "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_REGISTERWAITFORSINGLEOBJECT)
CHECK_SYMBOL_EXISTS (SetFileCompletionNotificationModes "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_SETFILECOMPLETIONNOTIFICATIONMODES)
CHECK_SYMBOL_EXISTS (inet_net_pton "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_INET_NET_PTON)
IF (NOT WIN32)
# Disabled on Windows, because these functions are only really supported on Windows
# Vista or newer (_WIN32_WINNT >= 0x0600). Older versions of Windows may provide
# them as experimental non-working features, so we have to disable them manually.
CHECK_SYMBOL_EXISTS (inet_ntop "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_INET_NTOP)
CHECK_SYMBOL_EXISTS (inet_pton "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_INET_PTON)
ENDIF ()
CHECK_SYMBOL_EXISTS (ioctl "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_IOCTL)
CHECK_SYMBOL_EXISTS (ioctlsocket "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_IOCTLSOCKET)
CHECK_SYMBOL_EXISTS (IoctlSocket "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_IOCTLSOCKET_CAMEL)
CHECK_SYMBOL_EXISTS (recv "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_RECV)
CHECK_SYMBOL_EXISTS (recvfrom "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_RECVFROM)
CHECK_SYMBOL_EXISTS (send "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_SEND)
CHECK_SYMBOL_EXISTS (sendto "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_SENDTO)
CHECK_SYMBOL_EXISTS (setsockopt "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_SETSOCKOPT)
CHECK_SYMBOL_EXISTS (socket "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_SOCKET)
CHECK_SYMBOL_EXISTS (strcasecmp "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_STRCASECMP)
CHECK_SYMBOL_EXISTS (strcmpi "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_STRCMPI)
CHECK_SYMBOL_EXISTS (strdup "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_STRDUP)
CHECK_SYMBOL_EXISTS (stricmp "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_STRICMP)
CHECK_SYMBOL_EXISTS (strncasecmp "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_STRNCASECMP)
CHECK_SYMBOL_EXISTS (strncmpi "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_STRNCMPI)
CHECK_SYMBOL_EXISTS (strnicmp "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_STRNICMP)
CHECK_SYMBOL_EXISTS (writev "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_WRITEV)
CHECK_SYMBOL_EXISTS (arc4random_buf "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_ARC4RANDOM_BUF)
CHECK_SYMBOL_EXISTS (stat "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_STAT)
CHECK_SYMBOL_EXISTS (getifaddrs "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_GETIFADDRS)
CHECK_SYMBOL_EXISTS (poll "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_POLL)
CHECK_SYMBOL_EXISTS (pipe "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_PIPE)
CHECK_SYMBOL_EXISTS (pipe2 "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_PIPE2)
CHECK_SYMBOL_EXISTS (kqueue "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_KQUEUE)
CHECK_SYMBOL_EXISTS (epoll_create1 "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_EPOLL)
# On Android, the system headers may define __system_property_get(), but excluded
# from libc. We need to perform a link test instead of a header/symbol test.
CHECK_FUNCTION_EXISTS (__system_property_get HAVE___SYSTEM_PROPERTY_GET)
# Restore original values (as per Issue #729)
SET (CMAKE_REQUIRED_DEFINITIONS ${ORIG_CMAKE_REQUIRED_DEEFINITIONS})
SET (CMAKE_REQUIRED_LIBRARIES ${ORIG_CMAKE_REQUIRED_LIBRARIES})
SET (CMAKE_EXTRA_INCLUDE_FILES ${ORIG_CMAKE_EXTRA_INCLUDE_FILES})
################################################################################
# Threading Support
#
IF (CARES_THREADS)
IF (WIN32)
# Do nothing, always has threads
ELSE ()
# Need to prefer pthreads on platforms that may have more threading choices
# (e.g. Solaris)
SET (CMAKE_THREAD_PREFER_PTHREAD TRUE)
FIND_PACKAGE (Threads)
IF (Threads_FOUND)
# Fix solaris9 bug due to libc having pthread_create() stubs that always fail. CMake
# doesn't realize that the real pthread functions aren't in libc, so sets the pthread
# library CAKE_THREAD_LIBS_INIT variable to blank instead of to the correct "-lpthread".
IF (CMAKE_SYSTEM_NAME STREQUAL "SunOS" AND NOT CMAKE_THREAD_LIBS_INIT)
SET (CMAKE_THREAD_LIBS_INIT "-lpthread")
ENDIF ()
# PThread functions.
CHECK_INCLUDE_FILES (pthread.h HAVE_PTHREAD_H)
CHECK_INCLUDE_FILES (pthread_np.h HAVE_PTHREAD_NP_H)
CARES_EXTRAINCLUDE_IFSET (HAVE_PTHREAD_H pthread.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_PTHREAD_NP_H pthread_np.h)
CHECK_SYMBOL_EXISTS (pthread_init "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_PTHREAD_INIT)
LIST (APPEND CARES_DEPENDENT_LIBS ${CMAKE_THREAD_LIBS_INIT})
ELSE ()
MESSAGE (WARNING "Threading support not found, disabling...")
SET (CARES_THREADS OFF)
ENDIF ()
ENDIF ()
ENDIF ()
################################################################################
# recv, recvfrom, send, getnameinfo, gethostname
# ARGUMENTS AND RETURN VALUES
#
# The AutoTools build tries to be really thorough here. So much so that it
# takes forever. We really don't want to do that. Lets make some educated
# guesses based on datatypes we have available, and for others, use some 'sane'
# defaults. This should be much quicker and nearly as accurate ... and even
# if not, it probably won't matter in the least.
IF (HAVE_SSIZE_T AND HAVE_SOCKLEN_T AND NOT WIN32)
# If we have ssize_t and socklen_t, the API is usually sane and uses ssize_t and size_t for lengths
SET (RECVFROM_TYPE_RETV ssize_t)
SET (RECVFROM_TYPE_ARG3 size_t)
ELSE ()
SET (RECVFROM_TYPE_RETV int)
SET (RECVFROM_TYPE_ARG3 int)
ENDIF ()
IF (HAVE_TYPE_SOCKET)
# If the SOCKET type is defined, it uses socket ... should be windows only
SET (RECVFROM_TYPE_ARG1 SOCKET)
ELSE ()
SET (RECVFROM_TYPE_ARG1 int)
ENDIF()
IF (HAVE_SOCKLEN_T)
# If we have socklen_t the APIs pretty much always actually use it
SET (RECVFROM_TYPE_ARG6 "socklen_t *")
SET (GETNAMEINFO_TYPE_ARG2 socklen_t)
SET (GETNAMEINFO_TYPE_ARG46 socklen_t)
ELSE ()
SET (RECVFROM_TYPE_ARG6 "int *")
SET (GETNAMEINFO_TYPE_ARG2 int)
SET (GETNAMEINFO_TYPE_ARG46 int)
ENDIF ()
IF (WIN32)
SET (RECV_TYPE_ARG2 "char *")
ELSE ()
SET (RECV_TYPE_ARG2 "void *")
ENDIF ()
# Functions are typically consistent so the equivalent fields map ... equivalently
SET (RECV_TYPE_RETV ${RECVFROM_TYPE_RETV})
SET (SEND_TYPE_RETV ${RECVFROM_TYPE_RETV})
SET (RECV_TYPE_ARG1 ${RECVFROM_TYPE_ARG1})
SET (RECVFROM_TYPE_ARG2 ${RECV_TYPE_ARG2})
SET (SEND_TYPE_ARG1 ${RECVFROM_TYPE_ARG1})
SET (RECV_TYPE_ARG3 ${RECVFROM_TYPE_ARG3})
SET (SEND_TYPE_ARG3 ${RECVFROM_TYPE_ARG3})
SET (GETHOSTNAME_TYPE_ARG2 ${RECVFROM_TYPE_ARG3})
# These should always be "sane" values to use always
SET (RECVFROM_QUAL_ARG5 )
SET (RECVFROM_TYPE_ARG4 int)
SET (RECVFROM_TYPE_ARG5 "struct sockaddr *")
SET (RECV_TYPE_ARG4 int)
SET (GETNAMEINFO_TYPE_ARG1 "struct sockaddr *")
SET (GETNAMEINFO_TYPE_ARG7 int)
SET (SEND_TYPE_ARG2 "const void *")
SET (SEND_TYPE_ARG4 int)
################################################################################
# HAVE_CXX11 ??
# HAVE_SIG_ATOMIC_T_VOLATILE ??
# Set a few variables by hand that C-Ares wants, logically, based on detection
# data.
IF (HAVE_SOCKLEN_T)
Set (CARES_TYPEOF_ARES_SOCKLEN_T "socklen_t")
ELSE ()
Set (CARES_TYPEOF_ARES_SOCKLEN_T "int")
ENDIF ()
IF (HAVE_SSIZE_T)
Set (CARES_TYPEOF_ARES_SSIZE_T "ssize_t")
ELSE ()
IF (WIN32)
IF ("${CMAKE_SIZEOF_VOID_P}" EQUAL "8")
Set (CARES_TYPEOF_ARES_SSIZE_T "__int64")
ELSE ()
Set (CARES_TYPEOF_ARES_SSIZE_T "int")
ENDIF ()
ELSE ()
Set (CARES_TYPEOF_ARES_SSIZE_T "long")
ENDIF ()
ENDIF ()
IF (HAVE_FCNTL AND HAVE_O_NONBLOCK)
SET (HAVE_FCNTL_O_NONBLOCK 1)
ENDIF ()
IF (HAVE_IOCTL AND HAVE_FIONBIO)
SET (HAVE_IOCTL_FIONBIO 1)
ENDIF ()
IF (HAVE_IOCTLSOCKET AND HAVE_FIONBIO)
SET (HAVE_IOCTLSOCKET_FIONBIO 1)
ENDIF ()
IF (HAVE_IOCTLSOCKET_CAMEL AND HAVE_FIONBIO)
SET (HAVE_IOCTLSOCKET_CAMEL_FIONBIO 1)
ENDIF ()
IF (HAVE_GETADDRINFO)
IF (CMAKE_SYSTEM_NAME STREQUAL "Darwin" OR
CMAKE_SYSTEM_NAME STREQUAL "HPUX" OR
CMAKE_SYSTEM_NAME STREQUAL "NetBSD" OR
CMAKE_SYSTEM_NAME STREQUAL "SunOS" OR
CMAKE_SYSTEM_NAME STREQUAL "FreeBSD" OR
CMAKE_SYSTEM_NAME STREQUAL "AIX" OR
WIN32)
SET (HAVE_GETADDRINFO_THREADSAFE 1)
ENDIF ()
ENDIF ()
IF (HAVE_TIME_H AND HAVE_SYS_TIME_H)
SET (TIME_WITH_SYS_TIME 1)
ENDIF ()
IF (HAVE_GETSERVBYPORT_R)
# TODO : Should probably autodetect
IF (CMAKE_SYSTEM_NAME STREQUAL "SunOS")
SET (GETSERVBYPORT_R_ARGS 5)
ELSEIF (CMAKE_SYSTEM_NAME STREQUAL "AIX" OR
CMAKE_SYSTEM_NAME STREQUAL "OpenBSD" OR
HAIKU)
SET (GETSERVBYPORT_R_ARGS 4)
ELSE ()
# Probably linux
SET (GETSERVBYPORT_R_ARGS 6)
ENDIF ()
ENDIF ()
IF (HAVE_GETSERVBYNAME_R)
# TODO : Should probably autodetect
IF (CMAKE_SYSTEM_NAME STREQUAL "SunOS")
SET (GETSERVBYNAME_R_ARGS 5)
ELSEIF (CMAKE_SYSTEM_NAME STREQUAL "AIX" OR
CMAKE_SYSTEM_NAME STREQUAL "OpenBSD" OR
HAIKU)
SET (GETSERVBYNAME_R_ARGS 4)
ELSE ()
# Probably linux
SET (GETSERVBYNAME_R_ARGS 6)
ENDIF ()
ENDIF ()
# Set some aliases used for ares_build.h
IF (HAVE_SYS_TYPES_H)
SET (CARES_HAVE_SYS_TYPES_H 1)
ENDIF ()
IF (HAVE_SYS_SOCKET_H)
SET (CARES_HAVE_SYS_SOCKET_H 1)
ENDIF()
IF (HAVE_SYS_SELECT_H)
SET (CARES_HAVE_SYS_SELECT_H 1)
ENDIF()
IF (HAVE_WS2TCPIP_H)
SET (CARES_HAVE_WS2TCPIP_H 1)
ENDIF()
IF (HAVE_WINSOCK2_H)
SET (CARES_HAVE_WINSOCK2_H 1)
ENDIF()
IF (HAVE_WINDOWS_H)
SET (CARES_HAVE_WINDOWS_H 1)
ENDIF()
IF (HAVE_ARPA_NAMESER_H)
SET (CARES_HAVE_ARPA_NAMESER_H 1)
ENDIF()
IF (HAVE_ARPA_NAMESER_COMPAT_H)
SET (CARES_HAVE_ARPA_NAMESER_COMPAT_H 1)
ENDIF()
# Coverage
IF (CARES_COVERAGE)
# set compiler flags
SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -ftest-coverage -fprofile-arcs")
SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ftest-coverage -fprofile-arcs")
# find required tools
FIND_PROGRAM(LCOV lcov REQUIRED)
FIND_PROGRAM(GENHTML genhtml REQUIRED)
# add coverage target
ADD_CUSTOM_TARGET(coverage
# gather data
COMMAND ${LCOV} --directory . --capture --output-file coverage.info
# generate report
COMMAND ${GENHTML} --demangle-cpp -o coverage coverage.info
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
)
ENDIF()
# TRANSFORM_MAKEFILE_INC
#
# This function consumes the "Makefile.inc" autotools file, and converts it into
# "Makefile.inc.cmake", a cmake include file; transforming this:
#
# CSOURCES = ares__close_sockets.c \
# ares__get_hostent.c \
# ares__read_line.c \
# ...
#
# into this:
#
# SET (CSOURCES
# ares__close_sockets.c
# ares__get_hostent.c
# ares__read_line.c
# ...
function(TRANSFORM_MAKEFILE_INC INPUT_FILE OUTPUT_FILE)
file(READ ${INPUT_FILE} MAKEFILE_INC_TEXT)
string(REPLACE "$(top_srcdir)" "\${PROJECT_SOURCE_DIR}" MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT})
string(REPLACE "$(top_builddir)" "\${PROJECT_BINARY_DIR}" MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT})
string(REGEX REPLACE "\\\\\n" "ß!ß" MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT})
string(REGEX REPLACE "([a-zA-Z_][a-zA-Z0-9_]*)[\t ]*=[\t ]*([^\n]*)" "SET(\\1 \\2)" MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT})
string(REPLACE "ß!ß" "\n" MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT})
string(REGEX REPLACE "\\$\\(([a-zA-Z_][a-zA-Z0-9_]*)\\)" "\${\\1}" MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT}) # Replace $() with ${}
string(REGEX REPLACE "@([a-zA-Z_][a-zA-Z0-9_]*)@" "\${\\1}" MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT}) # Replace @@ with ${}, even if that may not be read by CMake scripts.
file(WRITE ${OUTPUT_FILE} ${MAKEFILE_INC_TEXT})
endfunction()
# Directory for includes
ADD_SUBDIRECTORY (include)
# Directory for lib and tools
ADD_SUBDIRECTORY (src)
# Docs
ADD_SUBDIRECTORY (docs)
# Tests
IF (CARES_BUILD_TESTS OR CARES_BUILD_CONTAINER_TESTS)
ENABLE_TESTING ()
ADD_SUBDIRECTORY (test)
ENDIF ()
# Export targets
IF (CARES_INSTALL)
SET (CMAKECONFIG_INSTALL_DIR "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}")
INCLUDE (CMakePackageConfigHelpers)
CONFIGURE_PACKAGE_CONFIG_FILE (${PROJECT_NAME}-config.cmake.in ${PROJECT_NAME}-config.cmake
INSTALL_DESTINATION ${CMAKECONFIG_INSTALL_DIR}
PATH_VARS CMAKE_INSTALL_INCLUDEDIR
NO_CHECK_REQUIRED_COMPONENTS_MACRO
)
WRITE_BASIC_PACKAGE_VERSION_FILE(${PROJECT_NAME}-config-version.cmake VERSION "${CARES_VERSION}" COMPATIBILITY SameMajorVersion)
INSTALL (EXPORT ${PROJECT_NAME}-targets COMPONENT Devel DESTINATION ${CMAKECONFIG_INSTALL_DIR} NAMESPACE ${PROJECT_NAME}::)
INSTALL (FILES "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config.cmake" "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config-version.cmake" COMPONENT Devel DESTINATION ${CMAKECONFIG_INSTALL_DIR})
# pkgconfig support for static builds
FOREACH (LIB ${CARES_DEPENDENT_LIBS})
IF (NOT LIB MATCHES "^-")
SET (LIB "-l${LIB}")
ENDIF ()
SET (CARES_PRIVATE_LIBS "${CARES_PRIVATE_LIBS} ${LIB}")
ENDFOREACH ()
CONFIGURE_FILE("libcares.pc.cmake" "libcares.pc" @ONLY)
INSTALL (FILES "${CMAKE_CURRENT_BINARY_DIR}/libcares.pc" COMPONENT Devel DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
ENDIF ()
# Legacy chain-building variables (provided for compatibility with old code).
# Don't use these, external code should be updated to refer to the aliases directly (e.g., Cares::cares).
SET (CARES_FOUND 1 CACHE INTERNAL "CARES LIBRARY FOUND")
SET (CARES_LIBRARIES ${PROJECT_NAME}::cares CACHE INTERNAL "CARES LIBRARIES")
IF (CARES_INSTALL)
# Package creation
set( CPACK_PACKAGE_NAME ${PROJECT_NAME} )
set( CPACK_PACKAGE_VENDOR "Daniel Stenberg" ) # Github project owner
set( CPACK_PACKAGE_DESCRIPTION_SUMMARY "A C library for asynchronous DNS requests" )
set( CPACK_PACKAGE_HOMEPAGE_URL "https://c-ares.org/" )
set( CPACK_PACKAGE_CONTACT "https://c-ares.org/" )
set( CPACK_PACKAGE_VERSION_MAJOR ${PROJECT_VERSION_MAJOR} )
set( CPACK_PACKAGE_VERSION_MINOR ${PROJECT_VERSION_MINOR} )
set( CPACK_PACKAGE_VERSION_PATCH ${PROJECT_VERSION_PATCH} )
set( CPACK_PACKAGE_VERSION ${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}.${CPACK_PACKAGE_VERSION_PATCH} )
set( CPACK_PACKAGE_INSTALL_DIRECTORY ${PROJECT_NAME} )
set( CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE.md" )
set( CPACK_RESOURCE_FILE_README "${CMAKE_CURRENT_SOURCE_DIR}/README.md" )
set( CPACK_COMPONENT_Library_DISPLAY_NAME "c-ares Library" )
set( CPACK_COMPONENT_Library_DESCRIPTION "The c-ares binary library." )
set( CPACK_COMPONENT_Library_REQUIRED 1 )
set( CPACK_COMPONENT_Devel_DISPLAY_NAME "c-ares Development Files" )
set( CPACK_COMPONENT_Devel_DESCRIPTION "Development files for compiling against c-ares." )
set( CPACK_COMPONENT_Devel_REQUIRED 0 )
IF (CARES_BUILD_TOOLS)
set( CPACK_COMPONENT_Tools_DISPLAY_NAME "c-ares Tools" )
set( CPACK_COMPONENT_Tools_DESCRIPTION "Tools for using c-ares." )
set( CPACK_COMPONENT_Tools_REQUIRED 0 )
ENDIF ()
if( ${CMAKE_SYSTEM_NAME} STREQUAL "Linux" )
if ( "${CPACK_PACKAGE_ARCHITECTURE}" STREQUAL "" )
set( CPACK_PACKAGE_ARCHITECTURE "${CMAKE_SYSTEM_PROCESSOR}" )
endif()
if ( "${CPACK_PACKAGE_ARCHITECTURE}" STREQUAL "" )
if ( "${CMAKE_HOST_SYSTEM_NAME}" STREQUAL "Windows" )
message( FATAL_ERROR "Failed to determine CPACK_PACKAGE_ARCHITECTURE. Is CMAKE_SYSTEM_PROCESSOR set?" )
endif()
# Note: the architecture should default to the local architecture, but it
# in fact comes up empty. We call `uname -m` to ask the kernel instead.
EXECUTE_PROCESS( COMMAND uname -m COMMAND tr -d '\n' OUTPUT_VARIABLE CPACK_PACKAGE_ARCHITECTURE )
endif()
set( CPACK_INCLUDE_TOPLEVEL_DIRECTORY 1 )
set( CPACK_PACKAGE_RELEASE 1 )
# RPM - https://cmake.org/cmake/help/latest/cpack_gen/rpm.html
set( CPACK_RPM_PACKAGE_RELEASE ${CPACK_PACKAGE_RELEASE} )
set( CPACK_RPM_PACKAGE_ARCHITECTURE ${CPACK_PACKAGE_ARCHITECTURE} )
set( CPACK_RPM_PACKAGE_DESCRIPTION ${CPACK_PACKAGE_DESCRIPTION_SUMMARY} )
set( CPACK_RPM_PACKAGE_URL ${CPACK_PACKAGE_HOMEPAGE_URL} )
set( CPACK_RPM_PACKAGE_LICENSE "MIT" )
set( CPACK_RPM_COMPONENT_INSTALL 1 )
set( CPACK_RPM_COMPRESSION_TYPE "xz" )
set( CPACK_RPM_PACKAGE_AUTOPROV 1 )
set( CPACK_RPM_Library_PACKAGE_SUMMARY ${CPACK_COMPONENT_Library_DESCRIPTION} )
set( CPACK_RPM_Library_PACKAGE_ARCHITECTURE ${CPACK_RPM_PACKAGE_ARCHITECTURE} )
set( CPACK_RPM_Library_PACKAGE_NAME "libcares${CARES_LIB_VERSION_MAJOR}" )
set( CPACK_RPM_Library_FILE_NAME "RPM-DEFAULT" )
set( CPACK_RPM_Devel_PACKAGE_REQUIRES "cmake >= ${CMAKE_MINIMUM_REQUIRED_VERSION}, ${CPACK_RPM_Library_PACKAGE_NAME} >= ${CPACK_PACKAGE_VERSION}" )
set( CPACK_RPM_Devel_PACKAGE_SUMMARY ${CPACK_COMPONENT_Devel_DESCRIPTION} )
set( CPACK_RPM_Devel_PACKAGE_ARCHITECTURE ${CPACK_RPM_PACKAGE_ARCHITECTURE} )
set( CPACK_RPM_Devel_PACKAGE_NAME "${CPACK_PACKAGE_NAME}-devel" )
set( CPACK_RPM_Devel_FILE_NAME "RPM-DEFAULT" )
IF (CARES_BUILD_TOOLS)
set( CPACK_RPM_Tools_PACKAGE_REQUIRES "${CPACK_RPM_Library_PACKAGE_NAME} >= ${CPACK_PACKAGE_VERSION}" )
set( CPACK_RPM_Tools_PACKAGE_SUMMARY ${CPACK_COMPONENT_Tools_DESCRIPTION} )
set( CPACK_RPM_Tools_PACKAGE_ARCHITECTURE ${CPACK_RPM_PACKAGE_ARCHITECTURE} )
set( CPACK_RPM_Tools_PACKAGE_NAME "${CPACK_PACKAGE_NAME}-tools" )
set( CPACK_RPM_Tools_FILE_NAME "RPM-DEFAULT" )
ENDIF ()
# DEB - https://cmake.org/cmake/help/latest/cpack_gen/deb.html
set( CPACK_DEBIAN_PACKAGE_RELEASE ${CPACK_PACKAGE_RELEASE} )
set( CPACK_DEBIAN_PACKAGE_HOMEPAGE ${CPACK_PACKAGE_HOMEPAGE_URL} )
set( CPACK_DEB_COMPONENT_INSTALL 1 )
set( CPACK_DEBIAN_COMPRESSION_TYPE "xz")
set( CPACK_DEBIAN_PACKAGE_SHLIBDEPS 1 )
if ( ${CPACK_PACKAGE_ARCHITECTURE} STREQUAL "x86_64" )
set( CPACK_DEBIAN_PACKAGE_ARCHITECTURE "amd64" ) # DEB doesn't always use the kernel's arch name
else()
set( CPACK_DEBIAN_PACKAGE_ARCHITECTURE ${CPACK_PACKAGE_ARCHITECTURE} )
endif()
set( CPACK_DEBIAN_FILE_NAME "DEB-DEFAULT" ) # Use default naming scheme
set( CPACK_DEBIAN_LIBRARY_PACKAGE_NAME ${CPACK_RPM_Library_PACKAGE_NAME} )
set( CPACK_DEBIAN_DEVEL_PACKAGE_DEPENDS "cmake (>= ${CMAKE_MINIMUM_REQUIRED_VERSION}), ${CPACK_DEBIAN_LIBRARY_PACKAGE_NAME} (>= ${CPACK_PACKAGE_VERSION})" )
set( CPACK_DEBIAN_DEVEL_PACKAGE_NAME "${CPACK_PACKAGE_NAME}-dev" )
IF (CARES_BUILD_TOOLS)
set( CPACK_DEBIAN_TOOLS_PACKAGE_NAME "${CPACK_PACKAGE_NAME}-tools" )
set( CPACK_DEBIAN_TOOLS_PACKAGE_SHLIBDEPS OFF ) # dpkg-shlibdeps can't find the libs we built
set( CPACK_DEBIAN_TOOLS_PACKAGE_DEPENDS "${CPACK_DEBIAN_LIBRARY_PACKAGE_NAME} (>= ${CPACK_PACKAGE_VERSION})" )
ENDIF ()
elseif( ${CMAKE_HOST_WIN32} )
set( CPACK_NSIS_ENABLE_UNINSTALL_BEFORE_INSTALL ON )
set( CPACK_NSIS_DISPLAY_NAME ${PROJECT_NAME} )
set( CPACK_NSIS_PACKAGE_NAME ${PROJECT_NAME} )
set( CPACK_NSIS_URL_INFO_ABOUT ${CPACK_PACKAGE_HOMEPAGE_URL} )
endif()
# This must always be last!
include( CPack )
ENDIF ()