summaryrefslogtreecommitdiffstats
path: root/fluent-bit/lib/jansson-e23f558/CMakeLists.txt
blob: ed33e3c47f703790a0b0a86999c5d9a7299c0bc2 (plain)
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
cmake_minimum_required (VERSION 3.1)
project(jansson C)

# Options
option(JANSSON_BUILD_SHARED_LIBS "Build shared libraries." OFF)
option(USE_URANDOM "Use /dev/urandom to seed the hash function." ON)
option(USE_WINDOWS_CRYPTOAPI "Use CryptGenRandom to seed the hash function." ON)

if (MSVC)
   # This option must match the settings used in your program, in particular if you
	# are linking statically
	option(JANSSON_STATIC_CRT "Link the static CRT libraries" OFF )
endif ()

option(JANSSON_EXAMPLES "Compile example applications" ON)

if (UNIX)
   option(JANSSON_COVERAGE "(GCC Only! Requires gcov/lcov to be installed). Include target for doing coverage analysis for the test suite. Note that -DCMAKE_BUILD_TYPE=Debug must be set" OFF)
endif ()

# Set some nicer output dirs.
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/bin)
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/lib)
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/lib)
set(JANSSON_TEMP_DIR ${CMAKE_CURRENT_BINARY_DIR}/tmp)

# Give the debug version a different postfix for windows,
# so both the debug and release version can be built in the
# same build-tree on Windows (MSVC).
if (WIN32 AND NOT CMAKE_DEBUG_POSTFIX)
   set(CMAKE_DEBUG_POSTFIX "_d")
endif()

# This is how I thought it should go
# set (JANSSON_VERSION "2.3.1")
# set (JANSSON_SOVERSION 2)

set(JANSSON_DISPLAY_VERSION "2.14")

# This is what is required to match the same numbers as automake's
set(JANSSON_VERSION "4.14.0")
set(JANSSON_SOVERSION 4)

# for CheckFunctionKeywords
set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")

include (CheckCSourceCompiles)
include (CheckFunctionExists)
include (CheckFunctionKeywords)
include (CheckIncludeFiles)
include (CheckTypeSize)

# suppress format-truncation warning
include (CheckCCompilerFlag)
check_c_compiler_flag(-Wno-format-truncation HAS_NO_FORMAT_TRUNCATION)
if (HAS_NO_FORMAT_TRUNCATION)
    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-format-truncation")
endif()

if (MSVC)
   # Turn off Microsofts "security" warnings.
   add_definitions( "/W3 /D_CRT_SECURE_NO_WARNINGS /wd4005 /wd4996 /nologo" )

   if (JANSSON_STATIC_CRT)
      set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} /MT")
      set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} /MTd")
   endif()
endif()

message("C compiler: ${CMAKE_C_COMPILER_ID}")

if (JANSSON_COVERAGE)
   include(CodeCoverage)
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g -O0 -fprofile-arcs -ftest-coverage")
endif()

check_include_files (endian.h HAVE_ENDIAN_H)
check_include_files (fcntl.h HAVE_FCNTL_H)
check_include_files (sched.h HAVE_SCHED_H)
check_include_files (unistd.h HAVE_UNISTD_H)
check_include_files (sys/param.h HAVE_SYS_PARAM_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/types.h HAVE_SYS_TYPES_H)

check_function_exists (close HAVE_CLOSE)
check_function_exists (getpid HAVE_GETPID)
check_function_exists (gettimeofday HAVE_GETTIMEOFDAY)
check_function_exists (open HAVE_OPEN)
check_function_exists (read HAVE_READ)
check_function_exists (sched_yield HAVE_SCHED_YIELD)

# Check for the int-type includes
check_include_files (stdint.h HAVE_STDINT_H)

# Check our 64 bit integer sizes
check_type_size (__int64 __INT64)
check_type_size (int64_t INT64_T)
check_type_size ("long long" LONG_LONG_INT)

# Check our 32 bit integer sizes
check_type_size (int32_t INT32_T)
check_type_size (__int32 __INT32)
check_type_size ("long" LONG_INT)
check_type_size ("int" INT)
if (HAVE_INT32_T)
   set (JSON_INT32 int32_t)
elseif (HAVE___INT32)
   set (JSON_INT32 __int32)
elseif (HAVE_LONG_INT AND (LONG_INT EQUAL 4))
   set (JSON_INT32 long)
elseif (HAVE_INT AND (INT EQUAL 4))
   set (JSON_INT32 int)
else ()
   message (FATAL_ERROR "Could not detect a valid 32-bit integer type")
endif ()

check_type_size ("unsigned long" UNSIGNED_LONG_INT)
check_type_size ("unsigned int" UNSIGNED_INT)
check_type_size ("unsigned short" UNSIGNED_SHORT)

check_type_size (uint32_t UINT32_T)
check_type_size (__uint32 __UINT32)
if (HAVE_UINT32_T)
   set (JSON_UINT32 uint32_t)
elseif (HAVE___UINT32)
   set (JSON_UINT32 __uint32)
elseif (HAVE_UNSIGNED_LONG_INT AND (UNSIGNED_LONG_INT EQUAL 4))
   set (JSON_UINT32 "unsigned long")
elseif (HAVE_UNSIGNED_INT AND (UNSIGNED_INT EQUAL 4))
   set (JSON_UINT32 "unsigned int")
else ()
      message (FATAL_ERROR "Could not detect a valid unsigned 32-bit integer type")
endif ()

check_type_size (uint16_t UINT16_T)
check_type_size (__uint16 __UINT16)
if (HAVE_UINT16_T)
   set (JSON_UINT16 uint16_t)
elseif (HAVE___UINT16)
   set (JSON_UINT16 __uint16)
elseif (HAVE_UNSIGNED_INT AND (UNSIGNED_INT EQUAL 2))
   set (JSON_UINT16 "unsigned int")
elseif (HAVE_UNSIGNED_SHORT AND (UNSIGNED_SHORT EQUAL 2))
   set (JSON_UINT16 "unsigned short")
else ()
      message (FATAL_ERROR "Could not detect a valid unsigned 16-bit integer type")
endif ()

check_type_size (uint8_t UINT8_T)
check_type_size (__uint8 __UINT8)
if (HAVE_UINT8_T)
   set (JSON_UINT8 uint8_t)
elseif (HAVE___UINT8)
   set (JSON_UINT8 __uint8)
else ()
   set (JSON_UINT8 "unsigned char")
endif ()

# Check for ssize_t and SSIZE_T existence.
check_type_size(ssize_t SSIZE_T)
check_type_size(SSIZE_T UPPERCASE_SSIZE_T)
if(NOT HAVE_SSIZE_T)
   if(HAVE_UPPERCASE_SSIZE_T)
      set(JSON_SSIZE SSIZE_T)
   else()
      set(JSON_SSIZE int)
   endif()
endif()
set(CMAKE_EXTRA_INCLUDE_FILES "")

# Check for all the variants of strtoll
check_function_exists (strtoll HAVE_STRTOLL)
check_function_exists (strtoq HAVE_STRTOQ)
check_function_exists (_strtoi64 HAVE__STRTOI64)

# Figure out what variant we should use
if (HAVE_STRTOLL)
   set (JSON_STRTOINT strtoll)
elseif (HAVE_STRTOQ)
   set (JSON_STRTOINT strtoq)
elseif (HAVE__STRTOI64)
   set (JSON_STRTOINT _strtoi64)
else ()
   # fallback to strtol (32 bit)
   # this will set all the required variables
   set (JSON_STRTOINT strtol)
   set (JSON_INT_T long)
   set (JSON_INTEGER_FORMAT "\"ld\"")
endif ()

# if we haven't defined JSON_INT_T, then we have a 64 bit conversion function.
# detect what to use for the 64 bit type.
# Note: I will prefer long long if I can get it, as that is what the automake system aimed for.
if (NOT DEFINED JSON_INT_T)
   if (HAVE_LONG_LONG_INT AND (LONG_LONG_INT EQUAL 8))
      set (JSON_INT_T "long long")
   elseif (HAVE_INT64_T)
      set (JSON_INT_T int64_t)
   elseif (HAVE___INT64)
      set (JSON_INT_T __int64)
   else ()
      message (FATAL_ERROR "Could not detect 64 bit type, although I detected the strtoll equivalent")
   endif ()

   # Apparently, Borland BCC and MSVC wants I64d,
   # Borland BCC could also accept LD
   # and gcc wants ldd,
   # I am not sure what cygwin will want, so I will assume I64d

   if (WIN32) # matches both msvc and cygwin
      set (JSON_INTEGER_FORMAT "\"I64d\"")
   else ()
      set (JSON_INTEGER_FORMAT "\"lld\"")
   endif ()
endif ()


# If locale.h and localeconv() are available, define to 1, otherwise to 0.
check_include_files (locale.h HAVE_LOCALE_H)
check_function_exists (localeconv HAVE_LOCALECONV)

if (HAVE_LOCALECONV AND HAVE_LOCALE_H)
   set (JSON_HAVE_LOCALECONV 1)
else ()
   set (JSON_HAVE_LOCALECONV 0)
endif()

# check if we have setlocale
check_function_exists(setlocale HAVE_SETLOCALE)

# Check what the inline keyword is.
# Note that the original JSON_INLINE was always set to just 'inline', so this goes further.
check_function_keywords("inline")
check_function_keywords("__inline")
check_function_keywords("__inline__")

if (HAVE_INLINE)
   set(JSON_INLINE inline)
elseif (HAVE___INLINE)
   set(JSON_INLINE __inline)
elseif (HAVE___INLINE__)
   set(JSON_INLINE __inline__)
else()
   # no inline on this platform
   set (JSON_INLINE)
endif()

check_c_source_compiles ("int main() { unsigned long val; __sync_bool_compare_and_swap(&val, 0, 1); __sync_add_and_fetch(&val, 1); __sync_sub_and_fetch(&val, 1); return 0; } " HAVE_SYNC_BUILTINS)
check_c_source_compiles ("int main() { char l; unsigned long v; __atomic_test_and_set(&l, __ATOMIC_RELAXED); __atomic_store_n(&v, 1, __ATOMIC_RELEASE); __atomic_load_n(&v, __ATOMIC_ACQUIRE); __atomic_add_fetch(&v, 1, __ATOMIC_ACQUIRE); __atomic_sub_fetch(&v, 1, __ATOMIC_RELEASE); return 0; }" HAVE_ATOMIC_BUILTINS)

if (HAVE_SYNC_BUILTINS)
  set(JSON_HAVE_SYNC_BUILTINS 1)
else()
  set(JSON_HAVE_SYNC_BUILTINS 0)
endif()

if (HAVE_ATOMIC_BUILTINS)
  set(JSON_HAVE_ATOMIC_BUILTINS 1)
else()
  set(JSON_HAVE_ATOMIC_BUILTINS 0)
endif()

set (JANSSON_INITIAL_HASHTABLE_ORDER 3 CACHE STRING "Number of buckets new object hashtables contain is 2 raised to this power. The default is 3, so empty hashtables contain 2^3 = 8 buckets.")

# configure the public config file
configure_file (${CMAKE_CURRENT_SOURCE_DIR}/cmake/jansson_config.h.cmake
                ${CMAKE_CURRENT_BINARY_DIR}/include/jansson_config.h)

# Copy the jansson.h file to the public include folder
file (COPY ${CMAKE_CURRENT_SOURCE_DIR}/src/jansson.h
           DESTINATION ${CMAKE_CURRENT_BINARY_DIR}/include/)

add_definitions(-DJANSSON_USING_CMAKE)

# configure the private config file
configure_file (${CMAKE_CURRENT_SOURCE_DIR}/cmake/jansson_private_config.h.cmake
                ${CMAKE_CURRENT_BINARY_DIR}/private_include/jansson_private_config.h)

# and tell the source code to include it
add_definitions(-DHAVE_CONFIG_H)

include_directories (${CMAKE_CURRENT_BINARY_DIR}/include)
include_directories (${CMAKE_CURRENT_BINARY_DIR}/private_include)

# Add the lib sources.
file(GLOB JANSSON_SRC src/*.c)

set(JANSSON_HDR_PRIVATE
   ${CMAKE_CURRENT_SOURCE_DIR}/src/hashtable.h
   ${CMAKE_CURRENT_SOURCE_DIR}/src/jansson_private.h
   ${CMAKE_CURRENT_SOURCE_DIR}/src/strbuffer.h
   ${CMAKE_CURRENT_SOURCE_DIR}/src/utf.h
   ${CMAKE_CURRENT_BINARY_DIR}/private_include/jansson_private_config.h)

set(JANSSON_HDR_PUBLIC
   ${CMAKE_CURRENT_BINARY_DIR}/include/jansson_config.h
   ${CMAKE_CURRENT_SOURCE_DIR}/src/jansson.h)

source_group("Library Sources" FILES ${JANSSON_SRC})
source_group("Library Private Headers" FILES ${JANSSON_HDR_PRIVATE})
source_group("Library Public Headers" FILES ${JANSSON_HDR_PUBLIC})

if(JANSSON_BUILD_SHARED_LIBS)
   add_library(jansson SHARED
      ${JANSSON_SRC}
      ${JANSSON_HDR_PRIVATE}
      ${JANSSON_HDR_PUBLIC}
      src/jansson.def)

# check if linker support --default-symver
   list(APPEND CMAKE_REQUIRED_LIBRARIES "-Wl,--default-symver")
   check_c_source_compiles(
   "
   int main (void)
   {
      return 0;
   }
   "
   DSYMVER_WORKS
   )
   list(REMOVE_ITEM CMAKE_REQUIRED_LIBRARIES "-Wl,--default-symver")

   if (SYMVER_WORKS)
      set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--default-symver")
   else()
# some linkers may only support --version-script
      file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/jansson.sym" "JANSSON_${JANSSON_SOVERSION} {
    global:
          *;
};
")
      list(APPEND CMAKE_REQUIRED_LIBRARIES "-Wl,--version-script,${CMAKE_CURRENT_BINARY_DIR}/jansson.sym")
      check_c_source_compiles(
   "
   int main (void)
   {
      return 0;
   }
   "
   VSCRIPT_WORKS
   )
      list(REMOVE_ITEM CMAKE_REQUIRED_LIBRARIES "-Wl,--version-script,${CMAKE_CURRENT_BINARY_DIR}/jansson.sym")
      if (VSCRIPT_WORKS)
         set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--version-script,${CMAKE_CURRENT_BINARY_DIR}/jansson.sym")
      endif()
   endif()

   set_target_properties(jansson PROPERTIES
      VERSION ${JANSSON_VERSION}
      SOVERSION ${JANSSON_SOVERSION})
else()
   add_library(jansson STATIC
      ${JANSSON_SRC}
      ${JANSSON_HDR_PRIVATE}
      ${JANSSON_HDR_PUBLIC})
   set_target_properties(jansson PROPERTIES
      POSITION_INDEPENDENT_CODE true)
endif()

if (JANSSON_EXAMPLES)
	add_executable(simple_parse "${CMAKE_CURRENT_SOURCE_DIR}/examples/simple_parse.c")
	target_link_libraries(simple_parse jansson)
endif()

# For building Documentation (uses Sphinx)
option(JANSSON_BUILD_DOCS "Build documentation (uses python-sphinx)." ON)
if (JANSSON_BUILD_DOCS)
   find_package(Sphinx)

   if (NOT SPHINX_FOUND)
      message(WARNING "Sphinx not found. Cannot generate documentation!
      Set -DJANSSON_BUILD_DOCS=OFF to get rid of this message.")
   else()
      if (Sphinx_VERSION_STRING VERSION_LESS 1.0)
         message(WARNING "Your Sphinx version is too old!
               This project requires Sphinx v1.0 or above to produce
               proper documentation (you have v${Sphinx_VERSION_STRING}).
               You will get output but it will have errors.")
      endif()

      # configured documentation tools and intermediate build results
      set(BINARY_BUILD_DIR "${CMAKE_CURRENT_BINARY_DIR}/_build")

      # Sphinx cache with pickled ReST documents
      set(SPHINX_CACHE_DIR "${CMAKE_CURRENT_BINARY_DIR}/_doctrees")

      # CMake could be used to build the conf.py file too,
      # eg it could automatically write the version of the program or change the theme.
      # if(NOT DEFINED SPHINX_THEME)
      #    set(SPHINX_THEME default)
      # endif()
      #
      # if(NOT DEFINED SPHINX_THEME_DIR)
      #    set(SPHINX_THEME_DIR)
      # endif()
      #
      # configure_file(
      #    "${CMAKE_CURRENT_SOURCE_DIR}/conf.py.in"
      #    "${BINARY_BUILD_DIR}/conf.py"
      #    @ONLY)

      # TODO: Add support for all sphinx builders: http://sphinx-doc.org/builders.html

      # Add documentation targets.
      set(DOC_TARGETS html)

      option(JANSSON_BUILD_MAN "Create a target for building man pages." ON)

      if (JANSSON_BUILD_MAN)
         if (Sphinx_VERSION_STRING VERSION_LESS 1.0)
            message(WARNING "Sphinx version 1.0 > is required to build man pages. You have v${Sphinx_VERSION_STRING}.")
         else()
            list(APPEND DOC_TARGETS man)
         endif()
      endif()

      option(JANSSON_BUILD_LATEX "Create a target for building latex docs (to create PDF)." OFF)

      if (JANSSON_BUILD_LATEX)
         find_package(LATEX)

         if (NOT LATEX_COMPILER)
            message("Couldn't find Latex, can't build latex docs using Sphinx")
         else()
            message("Latex found! If you have problems building, see Sphinx documentation for required Latex packages.")
            list(APPEND DOC_TARGETS latex)
         endif()
      endif()

      # The doc target will build all documentation targets.
      add_custom_target(doc)

      foreach (DOC_TARGET ${DOC_TARGETS})
         add_custom_target(${DOC_TARGET}
            ${SPHINX_EXECUTABLE}
            # -q   # Enable for quiet mode
            -b ${DOC_TARGET}
            -d "${SPHINX_CACHE_DIR}"
            # -c "${BINARY_BUILD_DIR}" # enable if using cmake-generated conf.py
            "${CMAKE_CURRENT_SOURCE_DIR}/doc"
            "${CMAKE_CURRENT_BINARY_DIR}/doc/${DOC_TARGET}"
            COMMENT "Building ${DOC_TARGET} documentation with Sphinx")

         add_dependencies(doc ${DOC_TARGET})
      endforeach()

      message("Building documentation enabled for: ${DOC_TARGETS}")
   endif()
endif ()


option(JANSSON_WITHOUT_TESTS "Don't build tests ('make test' to execute tests)" OFF)

if (NOT JANSSON_WITHOUT_TESTS)
   option(JANSSON_TEST_WITH_VALGRIND "Enable valgrind tests." OFF)

   ENABLE_TESTING()

   if (JANSSON_TEST_WITH_VALGRIND)
      # TODO: Add FindValgrind.cmake instead of having a hardcoded path.

      add_definitions(-DVALGRIND)

      # enable valgrind
      set(CMAKE_MEMORYCHECK_COMMAND valgrind)
      set(CMAKE_MEMORYCHECK_COMMAND_OPTIONS
         "--error-exitcode=1 --leak-check=full --show-reachable=yes --track-origins=yes -q")

      set(MEMCHECK_COMMAND
         "${CMAKE_MEMORYCHECK_COMMAND} ${CMAKE_MEMORYCHECK_COMMAND_OPTIONS}")
      separate_arguments(MEMCHECK_COMMAND)
   endif ()

   #
   # Test suites.
   #
   if (CMAKE_COMPILER_IS_GNUCC)
      add_definitions(-Wall -Wextra -Wdeclaration-after-statement)
   endif ()

   set(api_tests
         test_array
         test_chaos
         test_copy
         test_dump
         test_dump_callback
         test_equal
         test_fixed_size
         test_load
         test_load_callback
         test_loadb
         test_number
         test_object
         test_pack
         test_simple
         test_sprintf
         test_unpack)

   # Doing arithmetic on void pointers is not allowed by Microsofts compiler
   # such as secure_malloc and secure_free is doing, so exclude it for now.
   if (NOT MSVC)
      list(APPEND api_tests test_memory_funcs)
   endif()

   # Helper macro for building and linking a test program.
   macro(build_testprog name dir)
       add_executable(${name} ${dir}/${name}.c)
       add_dependencies(${name} jansson)
       target_link_libraries(${name} jansson)
   endmacro(build_testprog)

   # Create executables and tests/valgrind tests for API tests.
   foreach (test ${api_tests})
      build_testprog(${test} ${CMAKE_CURRENT_SOURCE_DIR}/test/suites/api)

      if (JANSSON_TEST_WITH_VALGRIND)
         add_test(memcheck__${test}
             ${MEMCHECK_COMMAND} ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/${test}
             WORKING_DIRECTORY ${JANSSON_TEMP_DIR})
      else()
         add_test(${test}
             ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/${test}
             WORKING_DIRECTORY ${JANSSON_TEMP_DIR})
      endif ()
   endforeach ()

   # Test harness for the suites tests.
   build_testprog(json_process ${CMAKE_CURRENT_SOURCE_DIR}/test/bin)

   set(SUITE_TEST_CMD ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/json_process)
   set(SUITES encoding-flags valid invalid invalid-unicode)
   foreach (SUITE ${SUITES})
       file(GLOB TESTDIRS test/suites/${SUITE}/*)

       foreach (TESTDIR ${TESTDIRS})
         if (IS_DIRECTORY ${TESTDIR})
            get_filename_component(TNAME ${TESTDIR} NAME)

            if (JANSSON_TEST_WITH_VALGRIND)
               add_test(memcheck__${SUITE}__${TNAME}
                        ${MEMCHECK_COMMAND} ${SUITE_TEST_CMD} ${TESTDIR})
            else()
               add_test(${SUITE}__${TNAME}
                        ${SUITE_TEST_CMD} ${TESTDIR})
            endif()

            if ((${SUITE} STREQUAL "valid" OR ${SUITE} STREQUAL "invalid") AND NOT EXISTS ${TESTDIR}/nostrip)
               if (JANSSON_TEST_WITH_VALGRIND)
                  add_test(memcheck__${SUITE}__${TNAME}__strip
                           ${MEMCHECK_COMMAND} ${SUITE_TEST_CMD} --strip ${TESTDIR})
               else()
                  add_test(${SUITE}__${TNAME}__strip
                           ${SUITE_TEST_CMD} --strip ${TESTDIR})
               endif()
            endif ()
         endif ()
       endforeach ()
   endforeach ()

   if (JANSSON_COVERAGE)
      SETUP_TARGET_FOR_COVERAGE(coverage coverage ctest)
   endif ()

   # Enable using "make check" just like the autotools project.
   # By default cmake creates a target "make test"
   add_custom_target(check COMMAND ${CMAKE_CTEST_COMMAND}
                     DEPENDS json_process ${api_tests})
endif ()

#
# Installation preparation.
#

# Allow the user to override installation directories.
set(JANSSON_INSTALL_LIB_DIR       lib CACHE PATH "Installation directory for libraries")
set(JANSSON_INSTALL_BIN_DIR       bin CACHE PATH "Installation directory for executables")
set(JANSSON_INSTALL_INCLUDE_DIR   include CACHE PATH "Installation directory for header files")

if(WIN32 AND NOT CYGWIN)
  set(DEF_INSTALL_CMAKE_DIR cmake)
else()
  set(DEF_INSTALL_CMAKE_DIR lib/cmake/jansson)
endif()

set(JANSSON_INSTALL_CMAKE_DIR ${DEF_INSTALL_CMAKE_DIR} CACHE PATH "Installation directory for CMake files")

# Create pkg-conf file.
# (We use the same files as ./configure does, so we
#  have to defined the same variables used there).
set(prefix      ${CMAKE_INSTALL_PREFIX})
set(exec_prefix "\${prefix}")
set(libdir      "\${exec_prefix}/${JANSSON_INSTALL_LIB_DIR}")
set(includedir  "\${prefix}/${JANSSON_INSTALL_INCLUDE_DIR}")
set(VERSION     ${JANSSON_DISPLAY_VERSION})
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/jansson.pc.in
               ${CMAKE_CURRENT_BINARY_DIR}/jansson.pc @ONLY)

# Make sure the paths are relative.
foreach(p LIB BIN INCLUDE CMAKE)
    set(var JANSSON_INSTALL_${p}_DIR)
endforeach()

# Generate the config file for the build-tree.
set(JANSSON__INCLUDE_DIRS
    "${CMAKE_CURRENT_SOURCE_DIR}/include"
    "${CMAKE_CURRENT_BINARY_DIR}/include")
set(JANSSON_INCLUDE_DIRS ${JANSSON__INCLUDE_DIRS} CACHE PATH "Jansson include directories")
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/cmake/janssonConfig.cmake.in
               ${CMAKE_CURRENT_BINARY_DIR}/janssonConfig.cmake
               @ONLY)


# Generate the config file for the installation tree.
include(CMakePackageConfigHelpers)

write_basic_package_version_file(
  "${CMAKE_CURRENT_BINARY_DIR}/cmake/janssonConfigVersion.cmake"
  VERSION ${JANSSON_VERSION}
  COMPATIBILITY ExactVersion
)

configure_package_config_file(
    "cmake/janssonConfig.cmake.in"
    "${CMAKE_CURRENT_BINARY_DIR}/cmake/janssonConfig.cmake"
    INSTALL_DESTINATION "${JANSSON_INSTALL_CMAKE_DIR}"
)

#
# Install targets.
#
option(JANSSON_INSTALL "Generate installation target" ON)
if (JANSSON_INSTALL)
  install(TARGETS jansson
          EXPORT janssonTargets
          LIBRARY DESTINATION "lib"
          ARCHIVE DESTINATION "lib"
          RUNTIME DESTINATION "bin"
          INCLUDES DESTINATION "include")

  install(FILES ${JANSSON_HDR_PUBLIC}
          DESTINATION "include")

  # Install the pkg-config.
  install(FILES
          ${CMAKE_CURRENT_BINARY_DIR}/jansson.pc
          DESTINATION lib/pkgconfig)

  # Install the configs.
  install(FILES
      ${CMAKE_CURRENT_BINARY_DIR}/cmake/janssonConfig.cmake
      ${CMAKE_CURRENT_BINARY_DIR}/cmake/janssonConfigVersion.cmake
      DESTINATION "${JANSSON_INSTALL_CMAKE_DIR}")

  # Install exports for the install-tree.
  install(EXPORT janssonTargets
          NAMESPACE jansson::
          DESTINATION "${JANSSON_INSTALL_CMAKE_DIR}")
endif()

# For use when simply using add_library from a parent project to build jansson.
set(JANSSON_LIBRARIES jansson CACHE STRING "jansson libraries")