about summary refs log blame commit diff
path: root/CMakeLists.txt
blob: 79b4d9ed61c9dad7532142e3a91138462b56ffb1 (plain) (tree)
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















































































































































































































































































































































































































































































































































































































































































































































































































































































                                                                                                                                           
cmake_minimum_required (VERSION 3.0)

if (POLICY CMP0042)
  cmake_policy (SET CMP0042 NEW)
endif (POLICY CMP0042)

if (POLICY CMP0063)
  cmake_policy (SET CMP0063 NEW)
endif (POLICY CMP0063)

project(glog VERSION 0.4.0 LANGUAGES C CXX)

set (CPACK_PACKAGE_NAME glog)
set (CPACK_PACKAGE_DESCRIPTION_SUMMARY "")
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 ${PROJECT_VERSION})

option (WITH_GFLAGS "Use gflags" ON)
option (WITH_THREADS "Enable multithreading support" ON)
option (WITH_TLS "Enable Thread Local Storage (TLS) support" ON)
option (BUILD_SHARED_LIBS "Build shared libraries" OFF)
option (PRINT_UNSYMBOLIZED_STACK_TRACES
  "Print file offsets in traces instead of symbolizing" OFF)
option (WITH_PKGCONFIG "Enable pkg-config support" ON)
option (WITH_UNWIND "Enable libunwind support" ON)
option (WITH_SYMBOLIZE "Enable symbolize module" ON)

if (NOT WITH_UNWIND)
  set (CMAKE_DISABLE_FIND_PACKAGE_Unwind ON)
endif (NOT WITH_UNWIND)

if (NOT WITH_THREADS)
  set (CMAKE_DISABLE_FIND_PACKAGE_Threads ON)
endif (NOT WITH_THREADS)

list (APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake)

include (CheckCSourceCompiles)
include (CheckCXXCompilerFlag)
include (CheckCXXSourceCompiles)
include (CheckCXXSourceRuns)
include (CheckFunctionExists)
include (CheckIncludeFile)
include (CheckIncludeFileCXX)
include (CheckLibraryExists)
include (CheckStructHasMember)
include (CheckSymbolExists)
include (CheckTypeSize)
include (CMakePackageConfigHelpers)
include (CMakePushCheckState)
include (CPack)
include (CTest)
include (DetermineGflagsNamespace)
include (GetCacheVariables)
include (GNUInstallDirs)

set (CMAKE_DEBUG_POSTFIX d)
set (CMAKE_THREAD_PREFER_PTHREAD 1)

if (WITH_GFLAGS)
  find_package (gflags 2.2.0)

  if (gflags_FOUND)
    set (HAVE_LIB_GFLAGS 1)
    determine_gflags_namespace (gflags_NAMESPACE)
  endif (gflags_FOUND)
endif (WITH_GFLAGS)

find_package (Threads)
find_package (Unwind)

if (Unwind_FOUND)
  set (HAVE_LIB_UNWIND 1)
  set (HAVE_UNWIND_H 1)
endif (Unwind_FOUND)

check_include_file (dlfcn.h HAVE_DLFCN_H)
check_include_file (execinfo.h HAVE_EXECINFO_H)
check_include_file (glob.h HAVE_GLOB_H)
check_include_file (inttypes.h HAVE_INTTYPES_H)
check_include_file (memory.h HAVE_MEMORY_H)
check_include_file (pwd.h HAVE_PWD_H)
check_include_file (stdint.h HAVE_STDINT_H)
check_include_file (stdlib.h HAVE_STDLIB_H)
check_include_file (string.h HAVE_STRING_H)
check_include_file (strings.h HAVE_STRINGS_H)
check_include_file (sys/stat.h HAVE_SYS_STAT_H)
check_include_file (sys/syscall.h HAVE_SYS_SYSCALL_H)
check_include_file (sys/time.h HAVE_SYS_TIME_H)
check_include_file (sys/types.h HAVE_SYS_TYPES_H)
check_include_file (sys/utsname.h HAVE_SYS_UTSNAME_H)
check_include_file (sys/wait.h HAVE_SYS_WAIT_H)
check_include_file (syscall.h HAVE_SYSCALL_H)
check_include_file (syslog.h HAVE_SYSLOG_H)
check_include_file (ucontext.h HAVE_UCONTEXT_H)
check_include_file (unistd.h HAVE_UNISTD_H)
check_include_file (pwd.h HAVE_PWD_H)

check_include_file_cxx ("ext/hash_map" HAVE_EXT_HASH_MAP)
check_include_file_cxx ("ext/hash_set" HAVE_EXT_HASH_SET)
check_include_file_cxx ("ext/slist" HAVE_EXT_SLIST)
check_include_file_cxx ("tr1/unordered_map" HAVE_TR1_UNORDERED_MAP)
check_include_file_cxx ("tr1/unordered_set" HAVE_TR1_UNORDERED_SET)
check_include_file_cxx ("unordered_map" HAVE_UNORDERED_MAP)
check_include_file_cxx ("unordered_set" HAVE_UNORDERED_SET)

check_type_size ("unsigned __int16" HAVE___UINT16)
check_type_size (u_int16_t HAVE_U_INT16_T)
check_type_size (uint16_t HAVE_UINT16_T)

check_function_exists (dladdr HAVE_DLADDR)
check_function_exists (fcntl HAVE_FCNTL)
check_function_exists (pread HAVE_PREAD)
check_function_exists (pwrite HAVE_PWRITE)
check_function_exists (sigaction HAVE_SIGACTION)
check_function_exists (sigaltstack HAVE_SIGALSTACK)

# NOTE gcc does not fail if you pass a non-existent -Wno-* option as an
# argument. However, it will happily fail if you pass the corresponding -W*
# option. So, we check whether options that disable warnings exist by testing
# the availability of the corresponding option that enables the warning. This
# eliminates the need to check for compiler for several (mainly Clang) options.

check_cxx_compiler_flag (-Wdeprecated HAVE_NO_DEPRECATED)
check_cxx_compiler_flag (-Wunnamed-type-template-args
    HAVE_NO_UNNAMED_TYPE_TEMPLATE_ARGS)

# NOTE: Cannot use check_function_exists here since >=vc-14.0 can define
# snprintf as an inline function
check_symbol_exists (snprintf stdio.h HAVE_SNPRINTF)

check_library_exists (dbghelp UnDecorateSymbolName "" HAVE_DBGHELP)

check_c_source_compiles ("
#include <stdlib.h>
static void foo(void) __attribute__ ((unused));
int main(void) { return 0; }
" HAVE___ATTRIBUTE__)

check_c_source_compiles ("
#include <stdlib.h>
static void foo(void) __attribute__ ((visibility(\"default\")));
int main(void) { return 0; }
" HAVE___ATTRIBUTE__VISIBILITY_DEFAULT)

check_c_source_compiles ("
#include <stdlib.h>
static void foo(void) __attribute__ ((visibility(\"hidden\")));
int main(void) { return 0; }
" HAVE___ATTRIBUTE__VISIBILITY_HIDDEN)

check_c_source_compiles ("
int main(void) { if (__builtin_expect(0, 0)) return 1; return 0; }
" HAVE___BUILTIN_EXPECT)

check_c_source_compiles ("
int main(void)
{
  int a; if (__sync_val_compare_and_swap(&a, 0, 1)) return 1; return 0;
}
" HAVE___SYNC_VAL_COMPARE_AND_SWAP)

check_c_source_compiles ("
#define _XOPEN_SOURCE 500
#include <pthread.h>
int main(void)
{
  pthread_rwlock_t l;
  pthread_rwlock_init(&l, NULL);
  pthread_rwlock_rdlock(&l);
  return 0;
}
" HAVE_RWLOCK)

check_c_source_compiles ("
__declspec(selectany) int a;
int main(void) { return 0; }
" HAVE___DECLSPEC)

check_cxx_source_compiles ("
#include <vector>
vector<int> t; int main() { }
" STL_NO_NAMESPACE)

check_cxx_source_compiles ("
#include <vector>
std::vector<int> t; int main() { }
" STL_STD_NAMESPACE)

check_cxx_source_compiles ("
#include <iostream>
std::ostream& operator<<(std::ostream&, struct s);
using ::operator<<;
int main() { }
" HAVE_USING_OPERATOR)

check_cxx_source_compiles ("
namespace Outer { namespace Inner { int i = 0; }}
using namespace Outer::Inner;;
int main() { return i; }
" HAVE_NAMESPACES)

check_cxx_source_compiles ("
__thread int tls;
int main() { }
" HAVE_GCC_TLS)

check_cxx_source_compiles ("
__declspec(thread) int tls;
int main() { }
" HAVE_MSVC_TLS)

check_cxx_source_compiles ("
thread_local int tls;
int main() { }
" HAVE_CXX11_TLS)

check_cxx_source_compiles ("
#include <type_traits>
std::aligned_storage<sizeof(char), alignof(char)>::type data;
int main() { }
" HAVE_ALIGNED_STORAGE)

if (WITH_TLS)
  # Cygwin does not support the thread attribute. Don't bother.
  if (HAVE_GCC_TLS)
    set (GLOG_THREAD_LOCAL_STORAGE "__thread")
  elseif (HAVE_MSVC_TLS)
    set (GLOG_THREAD_LOCAL_STORAGE "__declspec(thread)")
  elseif (HAVE_CXX11_TLS)
    set (GLOG_THREAD_LOCAL_STORAGE thread_local)
  endif (HAVE_GCC_TLS)
endif (WITH_TLS)

set (_PC_FIELDS
  "gregs[REG_PC]"
  "gregs[REG_EIP]"
  "gregs[REG_RIP]"
  "sc_ip"
  "uc_regs->gregs[PT_NIP]"
  "gregs[R15]"
  "arm_pc"
  "mc_eip"
  "mc_rip"
  "__gregs[REG_EIP]"
  "__gregs[REG_RIP]"
  "ss.eip"
  "__ss.__eip"
  "ss.rip"
  "__ss.__rip"
  "ss.srr0"
  "__ss.__srr0"
)

set (_PC_HEADERS ucontext.h signal.h)

if (HAVE_UCONTEXT_H AND NOT PC_FROM_UCONTEXT)
  foreach (_PC_FIELD ${_PC_FIELDS})
    foreach (_PC_HEADER ${_PC_HEADERS})
      set (_TMP
      ${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/uctfield.c)
      file (WRITE ${_TMP} "
#define _GNU_SOURCE 1
#include <${_PC_HEADER}>
int main(void)
{
  ucontext_t u;
  return u.${_PC_FIELD} == 0;
}
")
      try_compile (HAVE_PC_FROM_UCONTEXT ${CMAKE_CURRENT_BINARY_DIR} ${_TMP}
        COMPILE_DEFINITIONS _GNU_SOURCE=1)

      if (HAVE_PC_FROM_UCONTEXT)
        set (PC_FROM_UCONTEXT ${_PC_FIELD} CACHE)
      endif (HAVE_PC_FROM_UCONTEXT)
    endforeach (_PC_HEADER)
  endforeach (_PC_FIELD)
endif  (HAVE_UCONTEXT_H AND NOT PC_FROM_UCONTEXT)

if (STL_STD_NAMESPACE)
  set (STL_NAMESPACE std)
else (STL_STD_NAMESPACE)
  set (STL_NAMESPACE "")
endif (STL_STD_NAMESPACE)

set (GOOGLE_NAMESPACE google)
set (_START_GOOGLE_NAMESPACE_ "namespace ${GOOGLE_NAMESPACE} {")
set (_END_GOOGLE_NAMESPACE_ "}")

if (HAVE___UINT16)
  set (ac_cv_have___uint16 1)
else (HAVE___UINT16)
  set (ac_cv_have___uint16 0)
endif (HAVE___UINT16)

if (HAVE_INTTYPES_H)
  set (ac_cv_have_inttypes_h 1)
else (HAVE_INTTYPES_H)
  set (ac_cv_have_inttypes_h 0)
endif (HAVE_INTTYPES_H)

if (HAVE_LIB_GFLAGS)
  set (ac_cv_have_libgflags 1)
else (HAVE_LIB_GFLAGS)
  set (ac_cv_have_libgflags 0)
endif (HAVE_LIB_GFLAGS)

if (HAVE_STDINT_H)
  set (ac_cv_have_stdint_h 1)
else (HAVE_STDINT_H)
  set (ac_cv_have_stdint_h 0)
endif (HAVE_STDINT_H)

if (HAVE_SYS_TYPES_H)
  set (ac_cv_have_systypes_h 1)
else (HAVE_SYS_TYPES_H)
  set (ac_cv_have_systypes_h 0)
endif (HAVE_SYS_TYPES_H)

if (HAVE_U_INT16_T)
  set (ac_cv_have_u_int16_t 1)
else (HAVE_U_INT16_T)
  set (ac_cv_have_u_int16_t 0)
endif (HAVE_U_INT16_T)

if (HAVE_UINT16_T)
  set (ac_cv_have_uint16_t 1)
else (HAVE_UINT16_T)
  set (ac_cv_have_uint16_t 0)
endif (HAVE_UINT16_T)

if (HAVE_UNISTD_H)
  set (ac_cv_have_unistd_h 1)
else (HAVE_UNISTD_H)
  set (ac_cv_have_unistd_h 0)
endif (HAVE_UNISTD_H)

set (ac_google_namespace ${GOOGLE_NAMESPACE})
set (ac_google_end_namespace ${_END_GOOGLE_NAMESPACE_})
set (ac_google_start_namespace ${_START_GOOGLE_NAMESPACE_})

if (HAVE___ATTRIBUTE__)
  set (ac_cv___attribute___noreturn "__attribute__((noreturn))")
  set (ac_cv___attribute___noinline "__attribute__((noinline))")
elseif (HAVE___DECLSPEC)
  set (ac_cv___attribute___noreturn "__declspec(noreturn)")
  #set (ac_cv___attribute___noinline "__declspec(noinline)")
endif (HAVE___ATTRIBUTE__)

if (HAVE___BUILTIN_EXPECT)
  set (ac_cv_have___builtin_expect 1)
else (HAVE___BUILTIN_EXPECT)
  set (ac_cv_have___builtin_expect 0)
endif (HAVE___BUILTIN_EXPECT)

if (HAVE_USING_OPERATOR)
  set (ac_cv_cxx_using_operator 1)
else (HAVE_USING_OPERATOR)
  set (ac_cv_cxx_using_operator 0)
endif (HAVE_USING_OPERATOR)

if (HAVE_EXECINFO_H)
  set (HAVE_STACKTRACE 1)
endif (HAVE_EXECINFO_H)

if (WITH_SYMBOLIZE)
  if (WIN32 OR CYGWIN)
    cmake_push_check_state (RESET)
    set (CMAKE_REQUIRED_LIBRARIES DbgHelp)

    check_cxx_source_runs ([=[
    #include <windows.h>
    #include <dbghelp.h>
    #include <cstdlib>

    void foobar() { }

    int main()
    {
        HANDLE process = GetCurrentProcess();

        if (!SymInitialize(process, NULL, TRUE))
            return EXIT_FAILURE;

        char buf[sizeof(SYMBOL_INFO) + MAX_SYM_NAME];
        SYMBOL_INFO *symbol = reinterpret_cast<SYMBOL_INFO *>(buf);
        symbol->SizeOfStruct = sizeof(SYMBOL_INFO);
        symbol->MaxNameLen = MAX_SYM_NAME;

        void* const pc = reinterpret_cast<void*>(&foobar);
        BOOL ret = SymFromAddr(process, reinterpret_cast<DWORD64>(pc), 0, symbol);

        return ret ? EXIT_SUCCESS : EXIT_FAILURE;
    }
    ]=] HAVE_SYMBOLIZE)

  cmake_pop_check_state ()

    if (HAVE_SYMBOLIZE)
      set (HAVE_STACKTRACE 1)
    endif (HAVE_SYMBOLIZE)
  elseif (UNIX OR (APPLE AND HAVE_DLADDR))
    set (HAVE_SYMBOLIZE 1)
  endif (WIN32 OR CYGWIN)
endif (WITH_SYMBOLIZE)

check_cxx_source_compiles ("
#include <cstdlib>
#include <time.h>
int main()
{
    time_t timep;
    struct tm result;
    localtime_r(&timep, &result);
    return EXIT_SUCCESS;
}
" HAVE_LOCALTIME_R)

set (SIZEOF_VOID_P ${CMAKE_SIZEOF_VOID_P})

if (WITH_THREADS AND Threads_FOUND)
  if (CMAKE_USE_PTHREADS_INIT)
    set (HAVE_PTHREAD 1)
  endif (CMAKE_USE_PTHREADS_INIT)
else (WITH_THREADS AND Threads_FOUND)
  set (NO_THREADS 1)
endif (WITH_THREADS AND Threads_FOUND)

set (TEST_SRC_DIR \"${CMAKE_CURRENT_SOURCE_DIR}\")

configure_file (src/config.h.cmake.in config.h)
configure_file (src/glog/logging.h.in glog/logging.h @ONLY)
configure_file (src/glog/raw_logging.h.in glog/raw_logging.h @ONLY)
configure_file (src/glog/stl_logging.h.in glog/stl_logging.h @ONLY)
configure_file (src/glog/vlog_is_on.h.in glog/vlog_is_on.h @ONLY)
if (WITH_PKGCONFIG)
  set (VERSION ${PROJECT_VERSION})
  set (prefix ${CMAKE_INSTALL_PREFIX})
  set (exec_prefix ${CMAKE_INSTALL_FULL_BINDIR})
  set (libdir ${CMAKE_INSTALL_FULL_LIBDIR})
  set (includedir ${CMAKE_INSTALL_FULL_INCLUDEDIR})

  configure_file (
    "${PROJECT_SOURCE_DIR}/libglog.pc.in"
    "${PROJECT_BINARY_DIR}/libglog.pc"
    @ONLY
  )

  unset (VERSION)
  unset (prefix)
  unset (exec_prefix)
  unset (libdir)
  unset (includedir)
endif (WITH_PKGCONFIG)

set (CMAKE_CXX_VISIBILITY_PRESET default)
set (CMAKE_VISIBILITY_INLINES_HIDDEN 1)

set (GLOG_PUBLIC_H
  ${CMAKE_CURRENT_BINARY_DIR}/glog/logging.h
  ${CMAKE_CURRENT_BINARY_DIR}/glog/raw_logging.h
  ${CMAKE_CURRENT_BINARY_DIR}/glog/stl_logging.h
  ${CMAKE_CURRENT_BINARY_DIR}/glog/vlog_is_on.h
  src/glog/log_severity.h
)

set (GLOG_SRCS
  ${GLOG_PUBLIC_H}
  src/base/commandlineflags.h
  src/base/googleinit.h
  src/base/mutex.h
  src/demangle.cc
  src/demangle.h
  src/logging.cc
  src/raw_logging.cc
  src/symbolize.cc
  src/symbolize.h
  src/utilities.cc
  src/utilities.h
  src/vlog_is_on.cc
)

if (HAVE_PTHREAD OR WIN32)
  list (APPEND GLOG_SRCS src/signalhandler.cc)
endif (HAVE_PTHREAD OR WIN32)

if (WIN32)
  list (APPEND GLOG_SRCS
    src/windows/port.cc
    src/windows/port.h
  )
endif (WIN32)

add_compile_options ($<$<AND:$<BOOL:${HAVE_NO_UNNAMED_TYPE_TEMPLATE_ARGS}>,$<NOT:$<CXX_COMPILER_ID:GNU>>>:-Wno-unnamed-type-template-args>)

set (_glog_CMake_BINDIR ${CMAKE_INSTALL_BINDIR})
set (_glog_CMake_INCLUDE_DIR ${CMAKE_INSTALL_INCLUDEDIR})
set (_glog_CMake_LIBDIR ${CMAKE_INSTALL_LIBDIR})
set (_glog_CMake_INSTALLDIR ${_glog_CMake_LIBDIR}/cmake/glog)

set (_glog_CMake_DIR glog/cmake)
set (_glog_CMake_DATADIR ${CMAKE_INSTALL_DATAROOTDIR}/${_glog_CMake_DIR})
set (_glog_BINARY_CMake_DATADIR
  ${CMAKE_CURRENT_BINARY_DIR}/${_glog_CMake_DATADIR})

# Add additional CMake find modules here.
set (_glog_CMake_MODULES)

if (Unwind_FOUND)
  # Copy the module only if libunwind is actually used.
  list (APPEND _glog_CMake_MODULES ${CMAKE_CURRENT_SOURCE_DIR}/cmake/FindUnwind.cmake)
endif (Unwind_FOUND)

# Generate file name for each module in the binary directory
foreach (_file ${_glog_CMake_MODULES})
  get_filename_component (_module "${_file}" NAME)

  list (APPEND _glog_BINARY_CMake_MODULES
    ${_glog_BINARY_CMake_DATADIR}/${_module})
endforeach (_file)

if (_glog_CMake_MODULES)
  # Copy modules to binary directory during the build
  add_custom_command (OUTPUT ${_glog_BINARY_CMake_MODULES}
    COMMAND ${CMAKE_COMMAND} -E make_directory
    ${_glog_BINARY_CMake_DATADIR}
    COMMAND ${CMAKE_COMMAND} -E copy ${_glog_CMake_MODULES}
    ${_glog_BINARY_CMake_DATADIR}
    DEPENDS ${_glog_CMake_MODULES}
    COMMENT "Copying find modules..."
  )
endif (_glog_CMake_MODULES)

add_library (glog
  ${GLOG_SRCS}
  ${_glog_BINARY_CMake_MODULES}
)

add_library(glog::glog ALIAS glog)

set_target_properties (glog PROPERTIES POSITION_INDEPENDENT_CODE ON)

if (Unwind_FOUND)
  target_link_libraries (glog PUBLIC unwind::unwind)
  set (Unwind_DEPENDENCY "find_dependency (Unwind ${Unwind_VERSION})")
endif (Unwind_FOUND)

if (HAVE_DBGHELP)
   target_link_libraries (glog PUBLIC dbghelp)
endif (HAVE_DBGHELP)

if (HAVE_PTHREAD)
  target_link_libraries (glog PUBLIC ${CMAKE_THREAD_LIBS_INIT})
endif (HAVE_PTHREAD)

if (WIN32 AND HAVE_SNPRINTF)
  set_property (SOURCE src/windows/port.cc APPEND PROPERTY COMPILE_DEFINITIONS
    HAVE_SNPRINTF)
endif (WIN32 AND HAVE_SNPRINTF)

if (gflags_FOUND)
  target_link_libraries (glog PUBLIC gflags)

  if (NOT BUILD_SHARED_LIBS)
    # Don't use __declspec(dllexport|dllimport) if this is a static build
    targeT_compile_definitions (glog PUBLIC GFLAGS_DLL_DECLARE_FLAG= GFLAGS_DLL_DEFINE_FLAG=)
  endif (NOT BUILD_SHARED_LIBS)
endif (gflags_FOUND)

set_target_properties (glog PROPERTIES VERSION ${PROJECT_VERSION})
set_target_properties (glog PROPERTIES SOVERSION ${PROJECT_VERSION_MAJOR})

if (WIN32)
  target_compile_definitions (glog PUBLIC GLOG_NO_ABBREVIATED_SEVERITIES)
endif (WIN32)

set_target_properties (glog PROPERTIES PUBLIC_HEADER "${GLOG_PUBLIC_H}")

target_include_directories (glog BEFORE PUBLIC
  "$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}>"
  "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src>"
  "$<INSTALL_INTERFACE:${_glog_CMake_INCLUDE_DIR}>"
  PRIVATE ${CMAKE_CURRENT_BINARY_DIR}
  PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/src)

if (WIN32)
  target_include_directories (glog PUBLIC
    "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src/windows>"
    PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/src/windows)
endif (WIN32)

set_target_properties (glog PROPERTIES DEFINE_SYMBOL LIBGLOG_EXPORTS)

if (NOT BUILD_SHARED_LIBS)
  target_compile_definitions (glog PUBLIC GOOGLE_GLOG_DLL_DECL=)
else (NOT BUILD_SHARED_LIBS)
  target_compile_definitions (glog PRIVATE GOOGLE_GLOG_IS_A_DLL=1)

  if (HAVE___DECLSPEC)
    set (_EXPORT "__declspec(dllexport)")
    set (_IMPORT "__declspec(dllimport)")
  elseif (HAVE___ATTRIBUTE__VISIBILITY_DEFAULT)
    set (_EXPORT "__attribute__((visibility(\"default\")))")
    set (_IMPORT "")
  endif (HAVE___DECLSPEC)

  target_compile_definitions (glog PRIVATE
    "GOOGLE_GLOG_DLL_DECL=${_EXPORT}")
  target_compile_definitions (glog INTERFACE
    "GOOGLE_GLOG_DLL_DECL=${_IMPORT}")
  target_compile_definitions (glog INTERFACE
    "GOOGLE_GLOG_DLL_DECL_FOR_UNITTESTS=${_IMPORT}")
endif (NOT BUILD_SHARED_LIBS)

# Unit testing

if (BUILD_TESTING)
  add_executable (logging_unittest
    src/logging_unittest.cc
  )

  target_link_libraries (logging_unittest PRIVATE glog)

  add_executable (stl_logging_unittest
    src/stl_logging_unittest.cc
  )

  target_link_libraries (stl_logging_unittest PRIVATE glog)

  if (HAVE_NO_DEPRECATED)
    set_property (TARGET stl_logging_unittest APPEND PROPERTY COMPILE_OPTIONS
      -Wno-deprecated)
  endif (HAVE_NO_DEPRECATED)

  if (HAVE_UNORDERED_MAP AND HAVE_UNORDERED_SET)
    target_compile_definitions (stl_logging_unittest PRIVATE
      GLOG_STL_LOGGING_FOR_UNORDERED)
  endif (HAVE_UNORDERED_MAP AND HAVE_UNORDERED_SET)

  if (HAVE_TR1_UNORDERED_MAP AND HAVE_TR1_UNORDERED_SET)
    target_compile_definitions (stl_logging_unittest PRIVATE
      GLOG_STL_LOGGING_FOR_TR1_UNORDERED)
  endif (HAVE_TR1_UNORDERED_MAP AND HAVE_TR1_UNORDERED_SET)

  if (HAVE_EXT_HASH_MAP AND HAVE_EXT_HASH_SET)
    target_compile_definitions (stl_logging_unittest PRIVATE
      GLOG_STL_LOGGING_FOR_EXT_HASH)
  endif (HAVE_EXT_HASH_MAP AND HAVE_EXT_HASH_SET)

  if (HAVE_EXT_SLIST)
    target_compile_definitions (stl_logging_unittest PRIVATE
      GLOG_STL_LOGGING_FOR_EXT_SLIST)
  endif (HAVE_EXT_SLIST)

  if (HAVE_SYMBOLIZE)
    add_executable (symbolize_unittest
      src/symbolize_unittest.cc
    )

    target_link_libraries (symbolize_unittest PRIVATE glog)
  endif (HAVE_SYMBOLIZE)

  add_executable (demangle_unittest
    src/demangle_unittest.cc
  )

  target_link_libraries (demangle_unittest PRIVATE glog)

  if (HAVE_STACKTRACE)
    add_executable (stacktrace_unittest
      src/stacktrace_unittest.cc
    )

    target_link_libraries (stacktrace_unittest PRIVATE glog)
  endif (HAVE_STACKTRACE)

  add_executable (utilities_unittest
    src/utilities_unittest.cc
  )

  target_link_libraries (utilities_unittest PRIVATE glog)

  if (HAVE_STACKTRACE AND HAVE_SYMBOLIZE)
    add_executable (signalhandler_unittest
      src/signalhandler_unittest.cc
    )

    target_link_libraries (signalhandler_unittest PRIVATE glog)
  endif (HAVE_STACKTRACE AND HAVE_SYMBOLIZE)

  add_test (NAME demangle COMMAND demangle_unittest)
  add_test (NAME logging COMMAND logging_unittest)

  if (TARGET signalhandler_unittest)
    add_test (NAME signalhandler COMMAND signalhandler_unittest)
  endif (TARGET signalhandler_unittest)

  if (TARGET stacktrace_unittest)
    add_test (NAME stacktrace COMMAND stacktrace_unittest)
    set_tests_properties(stacktrace PROPERTIES TIMEOUT 30)
  endif (TARGET stacktrace_unittest)

  add_test (NAME stl_logging COMMAND stl_logging_unittest)

  if (TARGET symbolize_unittest)
    add_test (NAME symbolize COMMAND symbolize_unittest)
  endif (TARGET symbolize_unittest)

  # Generate an initial cache

  get_cache_variables (_CACHEVARS EXCLUDE CMAKE_MAKE_PROGRAM)

  set (_INITIAL_CACHE
    ${CMAKE_CURRENT_BINARY_DIR}/test_package_config/glog_package_config_initial_cache.cmake)

  # Package config test

  add_test (NAME cmake_package_config_init COMMAND ${CMAKE_COMMAND}
    -DTEST_BINARY_DIR=${CMAKE_CURRENT_BINARY_DIR}/test_package_config
    -DINITIAL_CACHE=${_INITIAL_CACHE}
    -DCACHEVARS=${_CACHEVARS}
    -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/TestInitPackageConfig.cmake
  )

  add_test (NAME cmake_package_config_generate COMMAND ${CMAKE_COMMAND}
    -DPATH=$ENV{PATH}
    -DINITIAL_CACHE=${_INITIAL_CACHE}
    -DTEST_BINARY_DIR=${CMAKE_CURRENT_BINARY_DIR}/test_package_config/working_config
    -DSOURCE_DIR=${CMAKE_CURRENT_SOURCE_DIR}/src/package_config_unittest/working_config
    -DPACKAGE_DIR=${CMAKE_CURRENT_BINARY_DIR}
    -DGENERATOR=${CMAKE_GENERATOR}
    -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/TestPackageConfig.cmake
  )

  add_test (NAME cmake_package_config_build COMMAND
    ${CMAKE_COMMAND} --build ${CMAKE_CURRENT_BINARY_DIR}/test_package_config/working_config
  )

  add_test (NAME cmake_package_config_cleanup COMMAND ${CMAKE_COMMAND} -E
    remove_directory
    ${CMAKE_CURRENT_BINARY_DIR}/test_package_config
  )

  # Fixtures setup
  set_tests_properties (cmake_package_config_init PROPERTIES FIXTURES_SETUP
    cmake_package_config)
  set_tests_properties (cmake_package_config_generate PROPERTIES FIXTURES_SETUP
    cmake_package_config_working)

  # Fixtures cleanup
  set_tests_properties (cmake_package_config_cleanup PROPERTIES FIXTURES_CLEANUP
    cmake_package_config)

  # Fixture requirements
  set_tests_properties (cmake_package_config_generate PROPERTIES
    FIXTURES_REQUIRED cmake_package_config)
  set_tests_properties (cmake_package_config_build PROPERTIES
    FIXTURES_REQUIRED "cmake_package_config;cmake_package_config_working")
endif (BUILD_TESTING)

install (TARGETS glog
  EXPORT glog-targets
  RUNTIME DESTINATION ${_glog_CMake_BINDIR}
  PUBLIC_HEADER DESTINATION ${_glog_CMake_INCLUDE_DIR}/glog
  LIBRARY DESTINATION ${_glog_CMake_LIBDIR}
  ARCHIVE DESTINATION ${_glog_CMake_LIBDIR})

if (WITH_PKGCONFIG)
  install (
    FILES "${PROJECT_BINARY_DIR}/libglog.pc"
    DESTINATION "${_glog_CMake_LIBDIR}/pkgconfig"
  )
endif (WITH_PKGCONFIG)

set (glog_CMake_VERSION 3.0)

if (gflags_FOUND)
  # Ensure clients locate only the package config and not third party find
  # modules having the same name. This avoid cmake_policy PUSH/POP errors.
  if (CMAKE_VERSION VERSION_LESS 3.9)
    set (gflags_DEPENDENCY "find_dependency (gflags ${gflags_VERSION})")
  else (CMAKE_VERSION VERSION_LESS 3.9)
    # Passing additional find_package arguments to find_dependency is possible
    # starting with CMake 3.9.
    set (glog_CMake_VERSION 3.9)
    set (gflags_DEPENDENCY "find_dependency (gflags ${gflags_VERSION} NO_MODULE)")
  endif (CMAKE_VERSION VERSION_LESS 3.9)
endif (gflags_FOUND)

configure_package_config_file (glog-config.cmake.in
  ${CMAKE_CURRENT_BINARY_DIR}/glog-config.cmake
  INSTALL_DESTINATION ${_glog_CMake_INSTALLDIR}
  NO_CHECK_REQUIRED_COMPONENTS_MACRO)

write_basic_package_version_file (glog-config-version.cmake VERSION
  ${PROJECT_VERSION} COMPATIBILITY SameMajorVersion)

export (TARGETS glog NAMESPACE glog:: FILE glog-targets.cmake)
export (PACKAGE glog)

get_filename_component (_PREFIX "${CMAKE_INSTALL_PREFIX}" ABSOLUTE)

# Directory containing the find modules relative to the config install
# directory.
file (RELATIVE_PATH glog_REL_CMake_MODULES
  ${_PREFIX}/${_glog_CMake_INSTALLDIR}
  ${_PREFIX}/${_glog_CMake_DATADIR}/glog-modules.cmake)

get_filename_component (glog_REL_CMake_DATADIR ${glog_REL_CMake_MODULES}
  DIRECTORY)

set (glog_FULL_CMake_DATADIR
  ${CMAKE_CURRENT_BINARY_DIR}/${_glog_CMake_DATADIR})

configure_file (glog-modules.cmake.in
  ${CMAKE_CURRENT_BINARY_DIR}/glog-modules.cmake @ONLY)

install (CODE
"
set (glog_FULL_CMake_DATADIR \"\\\${CMAKE_CURRENT_LIST_DIR}/${glog_REL_CMake_DATADIR}\")
configure_file (${CMAKE_CURRENT_SOURCE_DIR}/glog-modules.cmake.in
  \"${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/glog-modules.cmake\" @ONLY)
file (INSTALL
  \"${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/glog-modules.cmake\"
  DESTINATION
  \"\${CMAKE_INSTALL_PREFIX}/${_glog_CMake_INSTALLDIR}\")
"
  COMPONENT Development
)

install (FILES
  ${CMAKE_CURRENT_BINARY_DIR}/glog-config.cmake
  ${CMAKE_CURRENT_BINARY_DIR}/glog-config-version.cmake
  ${CMAKE_CURRENT_BINARY_DIR}/glog-modules.cmake
  DESTINATION ${_glog_CMake_INSTALLDIR})

# Find modules in share/glog/cmake
install (DIRECTORY ${_glog_BINARY_CMake_DATADIR}
  DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/glog
  COMPONENT Development
  FILES_MATCHING PATTERN "*.cmake"
)

install (EXPORT glog-targets NAMESPACE glog:: DESTINATION
  ${_glog_CMake_INSTALLDIR})