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
|
#-----------------------------------------------------------------------------
# Include all the necessary files for macros
#-----------------------------------------------------------------------------
INCLUDE (${CMAKE_ROOT}/Modules/CheckFunctionExists.cmake)
INCLUDE (${CMAKE_ROOT}/Modules/CheckIncludeFile.cmake)
INCLUDE (${CMAKE_ROOT}/Modules/CheckIncludeFileCXX.cmake)
INCLUDE (${CMAKE_ROOT}/Modules/CheckIncludeFiles.cmake)
INCLUDE (${CMAKE_ROOT}/Modules/CheckLibraryExists.cmake)
INCLUDE (${CMAKE_ROOT}/Modules/CheckSymbolExists.cmake)
INCLUDE (${CMAKE_ROOT}/Modules/CheckTypeSize.cmake)
INCLUDE (${CMAKE_ROOT}/Modules/CheckFortranFunctionExists.cmake)
MESSAGE (STATUS "Configure Checks that still need to be implemented")
MESSAGE (STATUS " GetConsoleScreenBufferInfo function for Windows")
#-----------------------------------------------------------------------------
# Always SET this for now IF we are on an OS X box
#-----------------------------------------------------------------------------
IF (APPLE)
SET (H5_AC_APPLE_UNIVERSAL_BUILD 1)
ENDIF (APPLE)
#-----------------------------------------------------------------------------
# Option to Clear File Buffers before write --enable-clear-file-buffers
#-----------------------------------------------------------------------------
OPTION (HDF5_Enable_Clear_File_Buffers "Securely clear file buffers before writing to file" ON)
IF (HDF5_Enable_Clear_File_Buffers)
SET (H5_CLEAR_MEMORY 1)
ENDIF (HDF5_Enable_Clear_File_Buffers)
#-----------------------------------------------------------------------------
# Option for --enable-instrument
#-----------------------------------------------------------------------------
IF (CMAKE_BUILD_TYPE MATCHES Debug)
SET (HDF5_Enable_Instrument ON)
ENDIF (CMAKE_BUILD_TYPE MATCHES Debug)
OPTION (HDF5_Enable_Instrument "Instrument The library" HDF5_Enable_Instrument)
IF (HDF5_Enable_Instrument)
SET (H5_HAVE_INSTRUMENTED_LIBRARY 1)
ENDIF (HDF5_Enable_Instrument)
#-----------------------------------------------------------------------------
# Option for --enable-strict-format-checks
#-----------------------------------------------------------------------------
OPTION (HDF5_STRICT_FORMAT_CHECKS "Whether to perform strict file format checks" OFF)
IF (HDF5_STRICT_FORMAT_CHECKS)
SET (H5_STRICT_FORMAT_CHECKS 1)
ENDIF (HDF5_STRICT_FORMAT_CHECKS)
#-----------------------------------------------------------------------------
# Option for --enable-metadata-trace-file
#-----------------------------------------------------------------------------
OPTION (HDF5_METADATA_TRACE_FILE "Enable metadata trace file collection" OFF)
IF (HDF5_METADATA_TRACE_FILE)
SET (H5_METADATA_TRACE_FILE 1)
ENDIF (HDF5_METADATA_TRACE_FILE)
# ----------------------------------------------------------------------
# Decide whether the data accuracy has higher priority during data
# conversions. If not, some hard conversions will still be prefered even
# though the data may be wrong (for example, some compilers don't
# support denormalized floating values) to maximize speed.
#
OPTION (HDF5_WANT_DATA_ACCURACY "IF data accuracy is guaranteed during data conversions" ON)
IF (HDF5_WANT_DATA_ACCURACY)
SET (H5_WANT_DATA_ACCURACY 1)
ENDIF(HDF5_WANT_DATA_ACCURACY)
# ----------------------------------------------------------------------
# Decide whether the presence of user's exception handling functions is
# checked and data conversion exceptions are returned. This is mainly
# for the speed optimization of hard conversions. Soft conversions can
# actually benefit little.
#
OPTION (HDF5_WANT_DCONV_EXCEPTION "exception handling functions is checked during data conversions" ON)
IF (HDF5_WANT_DCONV_EXCEPTION)
SET (H5_WANT_DCONV_EXCEPTION 1)
ENDIF (HDF5_WANT_DCONV_EXCEPTION)
SET (LINUX_LFS 0)
SET (HDF5_EXTRA_FLAGS)
IF (CMAKE_SYSTEM MATCHES "Linux-([3-9]\\.[0-9]|2\\.[4-9])\\.")
# Linux Specific flags
ADD_DEFINITIONS (-D_POSIX_SOURCE -D_BSD_SOURCE)
OPTION (HDF5_ENABLE_LARGE_FILE "Enable support for large (64-bit) files on Linux." ON)
IF (HDF5_ENABLE_LARGE_FILE)
SET (LARGEFILE 1)
SET (HDF5_EXTRA_FLAGS -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE -D_LARGEFILE_SOURCE)
SET (CMAKE_REQUIRED_DEFINITIONS ${HDF5_EXTRA_FLAGS})
ENDIF (HDF5_ENABLE_LARGE_FILE)
ENDIF (CMAKE_SYSTEM MATCHES "Linux-([3-9]\\.[0-9]|2\\.[4-9])\\.")
IF (LINUX_LFS)
SET (HDF5_EXTRA_FLAGS -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE -D_LARGEFILE_SOURCE)
SET (CMAKE_REQUIRED_DEFINITIONS ${HDF5_EXTRA_FLAGS})
ENDIF (LINUX_LFS)
ADD_DEFINITIONS (${HDF5_EXTRA_FLAGS})
#IF (WIN32)
# SET (DEFAULT_STREAM_VFD OFF)
#ELSE (WIN32)
# SET (DEFAULT_STREAM_VFD ON)
#ENDIF (WIN32)
#OPTION (HDF5_STREAM_VFD "Compile Stream Virtual File Driver support" ${DEFAULT_STREAM_VFD})
OPTION (HDF5_ENABLE_HSIZET "Enable datasets larger than memory" ON)
SET (WINDOWS)
IF (WIN32)
IF (NOT UNIX)
SET (WINDOWS 1)
ENDIF (NOT UNIX)
ENDIF (WIN32)
# TODO --------------------------------------------------------------------------
# Should the Default Virtual File Driver be compiled?
# This is hard-coded now but option should added to match configure
#
IF (WINDOWS)
SET (H5_HAVE_WINDOWS 1)
# SET (H5_WINDOWS_USE_STDIO 0)
# ----------------------------------------------------------------------
# Set the flag to indicate that the machine has window style pathname,
# that is, "drive-letter:\" (e.g. "C:") or "drive-letter:/" (e.g. "C:/").
# (This flag should be _unset_ for all machines, except for Windows)
#
SET (H5_HAVE_WINDOW_PATH 1)
SET (WINDOWS_MAX_BUF (1024 * 1024 * 1024))
SET (H5_DEFAULT_VFD H5FD_WINDOWS)
ELSE (WINDOWS)
SET (H5_DEFAULT_VFD H5FD_SEC2)
ENDIF (WINDOWS)
# ----------------------------------------------------------------------
# Set the flag to indicate that the machine can handle converting
# floating-point to long long values.
# (This flag should be _unset_ for all machines)
#
# SET (H5_HW_FP_TO_LLONG_NOT_WORKS 0)
# so far we have no check for this
SET(H5_HAVE_TMPFILE 1)
#-----------------------------------------------------------------------------
# This MACRO checks IF the symbol exists in the library and IF it
# does, it appends library to the list.
#-----------------------------------------------------------------------------
SET (LINK_LIBS "")
MACRO (CHECK_LIBRARY_EXISTS_CONCAT LIBRARY SYMBOL VARIABLE)
CHECK_LIBRARY_EXISTS ("${LIBRARY};${LINK_LIBS}" ${SYMBOL} "" ${VARIABLE})
IF (${VARIABLE})
SET (LINK_LIBS ${LINK_LIBS} ${LIBRARY})
ENDIF (${VARIABLE})
ENDMACRO (CHECK_LIBRARY_EXISTS_CONCAT)
#-----------------------------------------------------------------------------
# Check for the math library "m"
#-----------------------------------------------------------------------------
IF (WINDOWS)
SET (H5_HAVE_LIBM 1)
ELSE (WINDOWS)
CHECK_LIBRARY_EXISTS_CONCAT ("m" printf H5_HAVE_LIBM)
ENDIF (WINDOWS)
CHECK_LIBRARY_EXISTS_CONCAT ("ws2_32" printf H5_HAVE_LIBWS2_32)
CHECK_LIBRARY_EXISTS_CONCAT ("wsock32" printf H5_HAVE_LIBWSOCK32)
#CHECK_LIBRARY_EXISTS_CONCAT ("dl" dlopen H5_HAVE_LIBDL)
CHECK_LIBRARY_EXISTS_CONCAT ("ucb" gethostname H5_HAVE_LIBUCB)
CHECK_LIBRARY_EXISTS_CONCAT ("socket" connect H5_HAVE_LIBSOCKET)
CHECK_LIBRARY_EXISTS ("c" gethostbyname "" NOT_NEED_LIBNSL)
IF (NOT NOT_NEED_LIBNSL)
CHECK_LIBRARY_EXISTS_CONCAT ("nsl" gethostbyname H5_HAVE_LIBNSL)
ENDIF (NOT NOT_NEED_LIBNSL)
SET (USE_INCLUDES "")
#-----------------------------------------------------------------------------
# Check IF header file exists and add it to the list.
#-----------------------------------------------------------------------------
MACRO (CHECK_INCLUDE_FILE_CONCAT FILE VARIABLE)
CHECK_INCLUDE_FILES ("${USE_INCLUDES};${FILE}" ${VARIABLE})
IF (${VARIABLE})
SET (USE_INCLUDES ${USE_INCLUDES} ${FILE})
ENDIF (${VARIABLE})
ENDMACRO (CHECK_INCLUDE_FILE_CONCAT)
#-----------------------------------------------------------------------------
# If we are on Windows we know some of the answers to these tests already
#-----------------------------------------------------------------------------
IF (WINDOWS)
SET (H5_HAVE_IO_H 1)
SET (H5_HAVE_SETJMP_H 1)
SET (H5_HAVE_STDDEF_H 1)
SET (H5_HAVE_SYS_STAT_H 1)
SET (H5_HAVE_SYS_TIMEB_H 1)
SET (H5_HAVE_SYS_TYPES_H 1)
SET (H5_HAVE_WINSOCK_H 1)
ENDIF (WINDOWS)
#-----------------------------------------------------------------------------
# Check for the existence of certain header files
#-----------------------------------------------------------------------------
CHECK_INCLUDE_FILE_CONCAT ("globus/common.h" H5_HAVE_GLOBUS_COMMON_H)
CHECK_INCLUDE_FILE_CONCAT ("io.h" H5_HAVE_IO_H)
CHECK_INCLUDE_FILE_CONCAT ("mfhdf.h" H5_HAVE_MFHDF_H)
CHECK_INCLUDE_FILE_CONCAT ("pdb.h" H5_HAVE_PDB_H)
CHECK_INCLUDE_FILE_CONCAT ("pthread.h" H5_HAVE_PTHREAD_H)
CHECK_INCLUDE_FILE_CONCAT ("setjmp.h" H5_HAVE_SETJMP_H)
CHECK_INCLUDE_FILE_CONCAT ("srbclient.h" H5_HAVE_SRBCLIENT_H)
CHECK_INCLUDE_FILE_CONCAT ("stddef.h" H5_HAVE_STDDEF_H)
CHECK_INCLUDE_FILE_CONCAT ("stdint.h" H5_HAVE_STDINT_H)
CHECK_INCLUDE_FILE_CONCAT ("string.h" H5_HAVE_STRING_H)
CHECK_INCLUDE_FILE_CONCAT ("strings.h" H5_HAVE_STRINGS_H)
CHECK_INCLUDE_FILE_CONCAT ("sys/ioctl.h" H5_HAVE_SYS_IOCTL_H)
CHECK_INCLUDE_FILE_CONCAT ("sys/proc.h" H5_HAVE_SYS_PROC_H)
CHECK_INCLUDE_FILE_CONCAT ("sys/resource.h" H5_HAVE_SYS_RESOURCE_H)
CHECK_INCLUDE_FILE_CONCAT ("sys/socket.h" H5_HAVE_SYS_SOCKET_H)
CHECK_INCLUDE_FILE_CONCAT ("sys/stat.h" H5_HAVE_SYS_STAT_H)
IF (CMAKE_SYSTEM_NAME MATCHES "OSF")
CHECK_INCLUDE_FILE_CONCAT ("sys/sysinfo.h" H5_HAVE_SYS_SYSINFO_H)
ELSE (CMAKE_SYSTEM_NAME MATCHES "OSF")
SET (H5_HAVE_SYS_SYSINFO_H "" CACHE INTERNAL "" FORCE)
ENDIF (CMAKE_SYSTEM_NAME MATCHES "OSF")
CHECK_INCLUDE_FILE_CONCAT ("sys/time.h" H5_HAVE_SYS_TIME_H)
CHECK_INCLUDE_FILE_CONCAT ("time.h" H5_HAVE_TIME_H)
CHECK_INCLUDE_FILE_CONCAT ("sys/timeb.h" H5_HAVE_SYS_TIMEB_H)
CHECK_INCLUDE_FILE_CONCAT ("sys/types.h" H5_HAVE_SYS_TYPES_H)
CHECK_INCLUDE_FILE_CONCAT ("unistd.h" H5_HAVE_UNISTD_H)
CHECK_INCLUDE_FILE_CONCAT ("stdlib.h" H5_HAVE_STDLIB_H)
CHECK_INCLUDE_FILE_CONCAT ("memory.h" H5_HAVE_MEMORY_H)
CHECK_INCLUDE_FILE_CONCAT ("dlfcn.h" H5_HAVE_DLFCN_H)
CHECK_INCLUDE_FILE_CONCAT ("features.h" H5_HAVE_FEATURES_H)
CHECK_INCLUDE_FILE_CONCAT ("inttypes.h" H5_HAVE_INTTYPES_H)
CHECK_INCLUDE_FILE_CONCAT ("winsock2.h" H5_HAVE_WINSOCK_H)
CHECK_INCLUDE_FILE_CONCAT ("netinet/in.h" H5_HAVE_NETINET_IN_H)
# IF the c compiler found stdint, check the C++ as well. On some systems this
# file will be found by C but not C++, only do this test IF the C++ compiler
# has been initialized (e.g. the project also includes some c++)
IF (H5_HAVE_STDINT_H AND CMAKE_CXX_COMPILER_LOADED)
CHECK_INCLUDE_FILE_CXX ("stdint.h" H5_HAVE_STDINT_H_CXX)
IF (NOT H5_HAVE_STDINT_H_CXX)
SET (H5_HAVE_STDINT_H "" CACHE INTERNAL "Have includes HAVE_STDINT_H")
ENDIF (NOT H5_HAVE_STDINT_H_CXX)
ENDIF (H5_HAVE_STDINT_H AND CMAKE_CXX_COMPILER_LOADED)
#-----------------------------------------------------------------------------
# Check the size in bytes of all the int and float types
#-----------------------------------------------------------------------------
MACRO (H5_CHECK_TYPE_SIZE type var)
SET (aType ${type})
SET (aVar ${var})
# MESSAGE (STATUS "Checking size of ${aType} and storing into ${aVar}")
CHECK_TYPE_SIZE (${aType} ${aVar})
IF (NOT ${aVar})
SET (${aVar} 0 CACHE INTERNAL "SizeOf for ${aType}")
# MESSAGE (STATUS "Size of ${aType} was NOT Found")
ENDIF (NOT ${aVar})
ENDMACRO (H5_CHECK_TYPE_SIZE)
H5_CHECK_TYPE_SIZE (char H5_SIZEOF_CHAR)
H5_CHECK_TYPE_SIZE (short H5_SIZEOF_SHORT)
H5_CHECK_TYPE_SIZE (int H5_SIZEOF_INT)
H5_CHECK_TYPE_SIZE (unsigned H5_SIZEOF_UNSIGNED)
IF (NOT APPLE)
H5_CHECK_TYPE_SIZE (long H5_SIZEOF_LONG)
ENDIF (NOT APPLE)
H5_CHECK_TYPE_SIZE ("long long" H5_SIZEOF_LONG_LONG)
H5_CHECK_TYPE_SIZE (__int64 H5_SIZEOF___INT64)
IF (NOT H5_SIZEOF___INT64)
SET (H5_SIZEOF___INT64 0)
ENDIF (NOT H5_SIZEOF___INT64)
H5_CHECK_TYPE_SIZE (float H5_SIZEOF_FLOAT)
H5_CHECK_TYPE_SIZE (double H5_SIZEOF_DOUBLE)
H5_CHECK_TYPE_SIZE ("long double" H5_SIZEOF_LONG_DOUBLE)
H5_CHECK_TYPE_SIZE (int8_t H5_SIZEOF_INT8_T)
H5_CHECK_TYPE_SIZE (uint8_t H5_SIZEOF_UINT8_T)
H5_CHECK_TYPE_SIZE (int_least8_t H5_SIZEOF_INT_LEAST8_T)
H5_CHECK_TYPE_SIZE (uint_least8_t H5_SIZEOF_UINT_LEAST8_T)
H5_CHECK_TYPE_SIZE (int_fast8_t H5_SIZEOF_INT_FAST8_T)
H5_CHECK_TYPE_SIZE (uint_fast8_t H5_SIZEOF_UINT_FAST8_T)
H5_CHECK_TYPE_SIZE (int16_t H5_SIZEOF_INT16_T)
H5_CHECK_TYPE_SIZE (uint16_t H5_SIZEOF_UINT16_T)
H5_CHECK_TYPE_SIZE (int_least16_t H5_SIZEOF_INT_LEAST16_T)
H5_CHECK_TYPE_SIZE (uint_least16_t H5_SIZEOF_UINT_LEAST16_T)
H5_CHECK_TYPE_SIZE (int_fast16_t H5_SIZEOF_INT_FAST16_T)
H5_CHECK_TYPE_SIZE (uint_fast16_t H5_SIZEOF_UINT_FAST16_T)
H5_CHECK_TYPE_SIZE (int32_t H5_SIZEOF_INT32_T)
H5_CHECK_TYPE_SIZE (uint32_t H5_SIZEOF_UINT32_T)
H5_CHECK_TYPE_SIZE (int_least32_t H5_SIZEOF_INT_LEAST32_T)
H5_CHECK_TYPE_SIZE (uint_least32_t H5_SIZEOF_UINT_LEAST32_T)
H5_CHECK_TYPE_SIZE (int_fast32_t H5_SIZEOF_INT_FAST32_T)
H5_CHECK_TYPE_SIZE (uint_fast32_t H5_SIZEOF_UINT_FAST32_T)
H5_CHECK_TYPE_SIZE (int64_t H5_SIZEOF_INT64_T)
H5_CHECK_TYPE_SIZE (uint64_t H5_SIZEOF_UINT64_T)
H5_CHECK_TYPE_SIZE (int_least64_t H5_SIZEOF_INT_LEAST64_T)
H5_CHECK_TYPE_SIZE (uint_least64_t H5_SIZEOF_UINT_LEAST64_T)
H5_CHECK_TYPE_SIZE (int_fast64_t H5_SIZEOF_INT_FAST64_T)
H5_CHECK_TYPE_SIZE (uint_fast64_t H5_SIZEOF_UINT_FAST64_T)
IF (NOT APPLE)
H5_CHECK_TYPE_SIZE (size_t H5_SIZEOF_SIZE_T)
H5_CHECK_TYPE_SIZE (ssize_t H5_SIZEOF_SSIZE_T)
IF (NOT H5_SIZEOF_SSIZE_T)
SET (H5_SIZEOF_SSIZE_T 0)
ENDIF (NOT H5_SIZEOF_SSIZE_T)
ENDIF (NOT APPLE)
H5_CHECK_TYPE_SIZE (off_t H5_SIZEOF_OFF_T)
H5_CHECK_TYPE_SIZE (off64_t H5_SIZEOF_OFF64_T)
IF (NOT H5_SIZEOF_OFF64_T)
SET (H5_SIZEOF_OFF64_T 0)
ENDIF (NOT H5_SIZEOF_OFF64_T)
# For other tests to use the same libraries
SET (CMAKE_REQUIRED_LIBRARIES ${LINK_LIBS})
#-----------------------------------------------------------------------------
# Check for some functions that are used
IF (WINDOWS)
SET (H5_HAVE_STRDUP 1)
SET (H5_HAVE_SYSTEM 1)
SET (H5_HAVE_DIFFTIME 1)
SET (H5_HAVE_LONGJMP 1)
SET (H5_STDC_HEADERS 1)
SET (H5_HAVE_GETHOSTNAME 1)
ENDIF (WINDOWS)
CHECK_FUNCTION_EXISTS (alarm H5_HAVE_ALARM)
CHECK_FUNCTION_EXISTS (fork H5_HAVE_FORK)
CHECK_FUNCTION_EXISTS (frexpf H5_HAVE_FREXPF)
CHECK_FUNCTION_EXISTS (frexpl H5_HAVE_FREXPL)
CHECK_FUNCTION_EXISTS (gethostname H5_HAVE_GETHOSTNAME)
CHECK_FUNCTION_EXISTS (getpwuid H5_HAVE_GETPWUID)
CHECK_FUNCTION_EXISTS (getrusage H5_HAVE_GETRUSAGE)
CHECK_FUNCTION_EXISTS (lstat H5_HAVE_LSTAT)
CHECK_FUNCTION_EXISTS (rand_r H5_HAVE_RAND_R)
CHECK_FUNCTION_EXISTS (random H5_HAVE_RANDOM)
CHECK_FUNCTION_EXISTS (setsysinfo H5_HAVE_SETSYSINFO)
CHECK_FUNCTION_EXISTS (signal H5_HAVE_SIGNAL)
CHECK_FUNCTION_EXISTS (longjmp H5_HAVE_LONGJMP)
CHECK_FUNCTION_EXISTS (setjmp H5_HAVE_SETJMP)
CHECK_FUNCTION_EXISTS (siglongjmp H5_HAVE_SIGLONGJMP)
CHECK_FUNCTION_EXISTS (sigsetjmp H5_HAVE_SIGSETJMP)
CHECK_FUNCTION_EXISTS (sigaction H5_HAVE_SIGACTION)
CHECK_FUNCTION_EXISTS (sigprocmask H5_HAVE_SIGPROCMASK)
CHECK_FUNCTION_EXISTS (snprintf H5_HAVE_SNPRINTF)
CHECK_FUNCTION_EXISTS (srandom H5_HAVE_SRANDOM)
CHECK_FUNCTION_EXISTS (strdup H5_HAVE_STRDUP)
CHECK_FUNCTION_EXISTS (symlink H5_HAVE_SYMLINK)
CHECK_FUNCTION_EXISTS (system H5_HAVE_SYSTEM)
CHECK_FUNCTION_EXISTS (tmpfile H5_HAVE_TMPFILE)
CHECK_FUNCTION_EXISTS (vasprintf H5_HAVE_VASPRINTF)
CHECK_FUNCTION_EXISTS (waitpid H5_HAVE_WAITPID)
CHECK_FUNCTION_EXISTS (vsnprintf H5_HAVE_VSNPRINTF)
CHECK_FUNCTION_EXISTS (ioctl H5_HAVE_IOCTL)
#CHECK_FUNCTION_EXISTS (gettimeofday H5_HAVE_GETTIMEOFDAY)
CHECK_FUNCTION_EXISTS (difftime H5_HAVE_DIFFTIME)
CHECK_FUNCTION_EXISTS (fseeko H5_HAVE_FSEEKO)
CHECK_FUNCTION_EXISTS (ftello H5_HAVE_FTELLO)
CHECK_FUNCTION_EXISTS (fstat64 H5_HAVE_FSTAT64)
CHECK_FUNCTION_EXISTS (stat64 H5_HAVE_STAT64)
#-----------------------------------------------------------------------------
#-----------------------------------------------------------------------------
# Since gettimeofday is not defined any where standard, lets look in all the
# usual places. On MSVC we are just going to use ::clock()
#-----------------------------------------------------------------------------
IF (NOT MSVC)
IF ("H5_HAVE_TIME_GETTIMEOFDAY" MATCHES "^H5_HAVE_TIME_GETTIMEOFDAY$")
TRY_COMPILE (HAVE_TIME_GETTIMEOFDAY
${CMAKE_BINARY_DIR}
${HDF5_RESOURCES_DIR}/GetTimeOfDayTest.cpp
COMPILE_DEFINITIONS -DTRY_TIME_H
OUTPUT_VARIABLE OUTPUT
)
IF (HAVE_TIME_GETTIMEOFDAY STREQUAL "TRUE")
SET (H5_HAVE_TIME_GETTIMEOFDAY "1" CACHE INTERNAL "H5_HAVE_TIME_GETTIMEOFDAY")
ENDIF (HAVE_TIME_GETTIMEOFDAY STREQUAL "TRUE")
ENDIF ("H5_HAVE_TIME_GETTIMEOFDAY" MATCHES "^H5_HAVE_TIME_GETTIMEOFDAY$")
IF ("H5_HAVE_SYS_TIME_GETTIMEOFDAY" MATCHES "^H5_HAVE_SYS_TIME_GETTIMEOFDAY$")
TRY_COMPILE (HAVE_SYS_TIME_GETTIMEOFDAY
${CMAKE_BINARY_DIR}
${HDF5_RESOURCES_DIR}/GetTimeOfDayTest.cpp
COMPILE_DEFINITIONS -DTRY_SYS_TIME_H
OUTPUT_VARIABLE OUTPUT
)
IF (HAVE_SYS_TIME_GETTIMEOFDAY STREQUAL "TRUE")
SET (H5_HAVE_SYS_TIME_GETTIMEOFDAY "1" CACHE INTERNAL "H5_HAVE_SYS_TIME_GETTIMEOFDAY")
ENDIF (HAVE_SYS_TIME_GETTIMEOFDAY STREQUAL "TRUE")
ENDIF ("H5_HAVE_SYS_TIME_GETTIMEOFDAY" MATCHES "^H5_HAVE_SYS_TIME_GETTIMEOFDAY$")
ENDIF (NOT MSVC)
IF (NOT HAVE_SYS_TIME_GETTIMEOFDAY AND NOT H5_HAVE_GETTIMEOFDAY AND NOT MSVC)
MESSAGE (STATUS "---------------------------------------------------------------")
MESSAGE (STATUS "Function 'gettimeofday()' was not found. HDF5 will use its")
MESSAGE (STATUS " own implementation.. This can happen on older versions of")
MESSAGE (STATUS " MinGW on Windows. Consider upgrading your MinGW installation")
MESSAGE (STATUS " to a newer version such as MinGW 3.12")
MESSAGE (STATUS "---------------------------------------------------------------")
ENDIF (NOT HAVE_SYS_TIME_GETTIMEOFDAY AND NOT H5_HAVE_GETTIMEOFDAY AND NOT MSVC)
# Check for Symbols
CHECK_SYMBOL_EXISTS (tzname "time.h" H5_HAVE_DECL_TZNAME)
#-----------------------------------------------------------------------------
#
#-----------------------------------------------------------------------------
IF (NOT WINDOWS)
CHECK_SYMBOL_EXISTS (TIOCGWINSZ "sys/ioctl.h" H5_HAVE_TIOCGWINSZ)
CHECK_SYMBOL_EXISTS (TIOCGETD "sys/ioctl.h" H5_HAVE_TIOCGETD)
ENDIF (NOT WINDOWS)
#-----------------------------------------------------------------------------
# Check for the Stream VFD driver
#-----------------------------------------------------------------------------
IF (HDF5_STREAM_VFD)
CHECK_INCLUDE_FILE_CONCAT ("netdb.h" H5_HAVE_NETDB_H)
CHECK_INCLUDE_FILE_CONCAT ("netinet/tcp.h" H5_HAVE_NETINET_TCP_H)
CHECK_INCLUDE_FILE_CONCAT ("sys/filio.h" H5_HAVE_SYS_FILIO_H)
SET (H5_HAVE_STREAM 1)
ENDIF (HDF5_STREAM_VFD)
# For other other specific tests, use this MACRO.
MACRO (HDF5_FUNCTION_TEST OTHER_TEST)
IF ("H5_${OTHER_TEST}" MATCHES "^H5_${OTHER_TEST}$")
SET (MACRO_CHECK_FUNCTION_DEFINITIONS "-D${OTHER_TEST} ${CMAKE_REQUIRED_FLAGS}")
SET (OTHER_TEST_ADD_LIBRARIES)
IF (CMAKE_REQUIRED_LIBRARIES)
SET (OTHER_TEST_ADD_LIBRARIES "-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}")
ENDIF (CMAKE_REQUIRED_LIBRARIES)
FOREACH (def ${HDF5_EXTRA_TEST_DEFINITIONS})
SET (MACRO_CHECK_FUNCTION_DEFINITIONS "${MACRO_CHECK_FUNCTION_DEFINITIONS} -D${def}=${${def}}")
ENDFOREACH (def)
FOREACH (def
H5_HAVE_SYS_TIME_H
H5_HAVE_UNISTD_H
H5_HAVE_SYS_TYPES_H
H5_HAVE_SYS_SOCKET_H
)
IF ("${def}")
SET (MACRO_CHECK_FUNCTION_DEFINITIONS "${MACRO_CHECK_FUNCTION_DEFINITIONS} -D${def}")
ENDIF ("${def}")
ENDFOREACH (def)
IF (LINUX_LFS)
SET (MACRO_CHECK_FUNCTION_DEFINITIONS
"${MACRO_CHECK_FUNCTION_DEFINITIONS} -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE -D_LARGEFILE_SOURCE"
)
ENDIF (LINUX_LFS)
# (STATUS "Performing ${OTHER_TEST}")
TRY_COMPILE (${OTHER_TEST}
${CMAKE_BINARY_DIR}
${HDF5_RESOURCES_DIR}/HDF5Tests.c
CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_FUNCTION_DEFINITIONS}
"${OTHER_TEST_ADD_LIBRARIES}"
OUTPUT_VARIABLE OUTPUT
)
IF (${OTHER_TEST})
SET (H5_${OTHER_TEST} 1 CACHE INTERNAL "Other test ${FUNCTION}")
MESSAGE (STATUS "Performing Other Test ${OTHER_TEST} - Success")
ELSE (${OTHER_TEST})
MESSAGE (STATUS "Performing Other Test ${OTHER_TEST} - Failed")
SET (H5_${OTHER_TEST} "" CACHE INTERNAL "Other test ${FUNCTION}")
FILE (APPEND ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeError.log
"Performing Other Test ${OTHER_TEST} failed with the following output:\n"
"${OUTPUT}\n"
)
ENDIF (${OTHER_TEST})
ENDIF ("H5_${OTHER_TEST}" MATCHES "^H5_${OTHER_TEST}$")
ENDMACRO (HDF5_FUNCTION_TEST)
#-----------------------------------------------------------------------------
# Check a bunch of other functions
#-----------------------------------------------------------------------------
IF (WINDOWS)
SET (H5_HAVE_TIMEZONE 1)
SET (H5_HAVE_FUNCTION 1)
ELSE (WINDOWS)
FOREACH (test
TIME_WITH_SYS_TIME
STDC_HEADERS
HAVE_TM_ZONE
HAVE_STRUCT_TM_TM_ZONE
HAVE_ATTRIBUTE
HAVE_FUNCTION
HAVE_TM_GMTOFF
HAVE_TIMEZONE
HAVE_STRUCT_TIMEZONE
HAVE_STAT_ST_BLOCKS
HAVE_FUNCTION
SYSTEM_SCOPE_THREADS
HAVE_SOCKLEN_T
DEV_T_IS_SCALAR
HAVE_OFF64_T
GETTIMEOFDAY_GIVES_TZ
VSNPRINTF_WORKS
HAVE_C99_FUNC
HAVE_C99_DESIGNATED_INITIALIZER
CXX_HAVE_OFFSETOF
)
HDF5_FUNCTION_TEST (${test})
ENDFOREACH (test)
ENDIF (WINDOWS)
#-----------------------------------------------------------------------------
# Look for 64 bit file stream capability
#-----------------------------------------------------------------------------
IF (HAVE_OFF64_T)
CHECK_FUNCTION_EXISTS (lseek64 H5_HAVE_LSEEK64)
CHECK_FUNCTION_EXISTS (fseek64 H5_HAVE_FSEEK64)
ENDIF (HAVE_OFF64_T)
#-----------------------------------------------------------------------------
# Determine how 'inline' is used
#-----------------------------------------------------------------------------
SET (HDF5_EXTRA_TEST_DEFINITIONS INLINE_TEST_INLINE)
FOREACH (inline_test inline __inline__ __inline)
SET (INLINE_TEST_INLINE ${inline_test})
HDF5_FUNCTION_TEST (INLINE_TEST_${inline_test})
ENDFOREACH (inline_test)
SET (HDF5_EXTRA_TEST_DEFINITIONS)
IF (INLINE_TEST___inline__)
SET (H5_inline __inline__)
ELSE (INLINE_TEST___inline__)
IF (INLINE_TEST___inline)
SET (H5_inline __inline)
ELSE (INLINE_TEST___inline)
IF (INLINE_TEST_inline)
SET (H5_inline inline)
ENDIF (INLINE_TEST_inline)
ENDIF (INLINE_TEST___inline)
ENDIF (INLINE_TEST___inline__)
#-----------------------------------------------------------------------------
# Check how to print a Long Long integer
#-----------------------------------------------------------------------------
SET (H5_PRINTF_LL_WIDTH "H5_PRINTF_LL_WIDTH")
IF (H5_PRINTF_LL_WIDTH MATCHES "^H5_PRINTF_LL_WIDTH$")
SET (PRINT_LL_FOUND 0)
MESSAGE (STATUS "Checking for appropriate format for 64 bit long:")
FOREACH (HDF5_PRINTF_LL l64 l L q I64 ll)
SET (CURRENT_TEST_DEFINITIONS "-DPRINTF_LL_WIDTH=${HDF5_PRINTF_LL}")
IF (H5_SIZEOF_LONG_LONG)
SET (CURRENT_TEST_DEFINITIONS "${CURRENT_TEST_DEFINITIONS} -DHAVE_LONG_LONG")
ENDIF (H5_SIZEOF_LONG_LONG)
TRY_RUN (HDF5_PRINTF_LL_TEST_RUN HDF5_PRINTF_LL_TEST_COMPILE
${HDF5_BINARY_DIR}/CMake
${HDF5_RESOURCES_DIR}/HDF5Tests.c
CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${CURRENT_TEST_DEFINITIONS}
OUTPUT_VARIABLE OUTPUT
)
IF (HDF5_PRINTF_LL_TEST_COMPILE)
IF (HDF5_PRINTF_LL_TEST_RUN MATCHES 0)
SET (H5_PRINTF_LL_WIDTH "\"${HDF5_PRINTF_LL}\"" CACHE INTERNAL "Width for printf for type `long long' or `__int64', us. `ll")
SET (PRINT_LL_FOUND 1)
ELSE (HDF5_PRINTF_LL_TEST_RUN MATCHES 0)
MESSAGE ("Width with ${HDF5_PRINTF_LL} failed with result: ${HDF5_PRINTF_LL_TEST_RUN}")
ENDIF (HDF5_PRINTF_LL_TEST_RUN MATCHES 0)
ELSE (HDF5_PRINTF_LL_TEST_COMPILE)
FILE (APPEND ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeError.log
"Test H5_PRINTF_LL_WIDTH for ${HDF5_PRINTF_LL} failed with the following output:\n ${OUTPUT}\n"
)
ENDIF (HDF5_PRINTF_LL_TEST_COMPILE)
ENDFOREACH (HDF5_PRINTF_LL)
IF (PRINT_LL_FOUND)
MESSAGE (STATUS "Checking for apropriate format for 64 bit long: found ${H5_PRINTF_LL_WIDTH}")
ELSE (PRINT_LL_FOUND)
MESSAGE (STATUS "Checking for apropriate format for 64 bit long: not found")
SET (H5_PRINTF_LL_WIDTH "\"unknown\"" CACHE INTERNAL
"Width for printf for type `long long' or `__int64', us. `ll"
)
ENDIF (PRINT_LL_FOUND)
ENDIF (H5_PRINTF_LL_WIDTH MATCHES "^H5_PRINTF_LL_WIDTH$")
# ----------------------------------------------------------------------
# Set the flag to indicate that the machine can handle converting
# denormalized floating-point values.
# (This flag should be set for all machines, except for the Crays, where
# the cache value is set in it's config file)
#
SET (H5_CONVERT_DENORMAL_FLOAT 1)
#-----------------------------------------------------------------------------
# Are we going to use HSIZE_T
#-----------------------------------------------------------------------------
IF (HDF5_ENABLE_HSIZET)
SET (H5_HAVE_LARGE_HSIZET 1)
ENDIF (HDF5_ENABLE_HSIZET)
IF (CYGWIN)
SET (H5_HAVE_LSEEK64 0)
ENDIF (CYGWIN)
#-----------------------------------------------------------------------------
# Macro to determine the various conversion capabilities
#-----------------------------------------------------------------------------
MACRO (H5ConversionTests TEST msg)
IF ("${TEST}" MATCHES "^${TEST}$")
# MESSAGE (STATUS "===> ${TEST}")
TRY_RUN (${TEST}_RUN ${TEST}_COMPILE
${HDF5_BINARY_DIR}/CMake
${HDF5_RESOURCES_DIR}/ConversionTests.c
CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=-D${TEST}_TEST
OUTPUT_VARIABLE OUTPUT
)
IF (${TEST}_COMPILE)
IF (${TEST}_RUN MATCHES 0)
SET (${TEST} 1 CACHE INTERNAL ${msg})
MESSAGE(STATUS "${msg}... yes")
ELSE (${TEST}_RUN MATCHES 0)
SET (${TEST} "" CACHE INTERNAL ${msg})
MESSAGE (STATUS "${msg}... no")
FILE (APPEND ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeError.log
"Test ${TEST} Run failed with the following output and exit code:\n ${OUTPUT}\n"
)
ENDIF (${TEST}_RUN MATCHES 0)
ELSE (${TEST}_COMPILE )
SET (${TEST} "" CACHE INTERNAL ${msg})
MESSAGE (STATUS "${msg}... no")
FILE (APPEND ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeError.log
"Test ${TEST} Compile failed with the following output:\n ${OUTPUT}\n"
)
ENDIF (${TEST}_COMPILE)
ENDIF("${TEST}" MATCHES "^${TEST}$")
ENDMACRO (H5ConversionTests)
#-----------------------------------------------------------------------------
# Macro to make some of the conversion tests easier to write/read
#-----------------------------------------------------------------------------
MACRO (H5MiscConversionTest VAR TEST msg)
IF ("${TEST}" MATCHES "^${TEST}$")
IF (${VAR})
SET (${TEST} 1 CACHE INTERNAL ${msg})
MESSAGE (STATUS "${msg}... yes")
ELSE (${VAR})
SET (${TEST} "" CACHE INTERNAL ${msg})
MESSAGE (STATUS "${msg}... no")
ENDIF (${VAR})
ENDIF ("${TEST}" MATCHES "^${TEST}$")
ENDMACRO (H5MiscConversionTest)
#-----------------------------------------------------------------------------
# Check various conversion capabilities
#-----------------------------------------------------------------------------
# -----------------------------------------------------------------------
# Set flag to indicate that the machine can handle conversion from
# long double to integers accurately. This flag should be set "yes" for
# all machines except all SGIs. For SGIs, some conversions are
# incorrect and its cache value is set "no" in its config/irix6.x and
# irix5.x.
#
H5MiscConversionTest (H5_SIZEOF_LONG_DOUBLE H5_LDOUBLE_TO_INTEGER_ACCURATE "checking IF converting from long double to integers is accurate")
# -----------------------------------------------------------------------
# Set flag to indicate that the machine can do conversion from
# long double to integers regardless of accuracy. This flag should be
# set "yes" for all machines except HP-UX 11.00. For HP-UX 11.00, the
# compiler has 'floating exception' when converting 'long double' to all
# integers except 'unsigned long long'. Other HP-UX systems are unknown
# yet. (1/8/05 - SLU)
#
H5ConversionTests (H5_LDOUBLE_TO_INTEGER_WORKS "Checking IF converting from long double to integers works")
# -----------------------------------------------------------------------
# Set flag to indicate that the machine can handle conversion from
# integers to long double. (This flag should be set "yes" for all
# machines except all SGIs, where some conversions are
# incorrect and its cache value is set "no" in its config/irix6.x and
# irix5.x)
#
H5MiscConversionTest (H5_SIZEOF_LONG_DOUBLE H5_INTEGER_TO_LDOUBLE_ACCURATE "checking IF accurately converting from integers to long double")
# ----------------------------------------------------------------------
# Set the flag to indicate that the machine can accurately convert
# 'unsigned long' to 'float' values.
# (This flag should be set for all machines, except for Pathscale compiler
# on Sandia's Linux machine where the compiler interprets 'unsigned long'
# values as negative when the first bit of 'unsigned long' is on during
# the conversion to float.)
#
H5ConversionTests (H5_ULONG_TO_FLOAT_ACCURATE "Checking IF accurately converting unsigned long to float values")
# ----------------------------------------------------------------------
# Set the flag to indicate that the machine can accurately convert
# 'unsigned (long) long' values to 'float' and 'double' values.
# (This flag should be set for all machines, except for the SGIs, where
# the cache value is set in the config/irix6.x config file) and Solaris
# 64-bit machines, where the short program below tests if round-up is
# correctly handled.
#
H5ConversionTests (H5_ULONG_TO_FP_BOTTOM_BIT_ACCURATE "Checking IF accurately converting unsigned long long to floating-point values")
# ----------------------------------------------------------------------
# Set the flag to indicate that the machine can accurately convert
# 'float' or 'double' to 'unsigned long long' values.
# (This flag should be set for all machines, except for PGI compiler
# where round-up happens when the fraction of float-point value is greater
# than 0.5.
#
H5ConversionTests (H5_FP_TO_ULLONG_ACCURATE "Checking IF accurately roundup converting floating-point to unsigned long long values" )
# ----------------------------------------------------------------------
# Set the flag to indicate that the machine can accurately convert
# 'float', 'double' or 'long double' to 'unsigned long long' values.
# (This flag should be set for all machines, except for HP-UX machines
# where the maximal number for unsigned long long is 0x7fffffffffffffff
# during conversion.
#
H5ConversionTests (H5_FP_TO_ULLONG_RIGHT_MAXIMUM "Checking IF right maximum converting floating-point to unsigned long long values" )
# ----------------------------------------------------------------------
# Set the flag to indicate that the machine can accurately convert
# 'long double' to 'unsigned int' values. (This flag should be set for
# all machines, except for some Intel compilers on some Linux.)
#
H5ConversionTests (H5_LDOUBLE_TO_UINT_ACCURATE "Checking IF correctly converting long double to unsigned int values")
# ----------------------------------------------------------------------
# Set the flag to indicate that the machine can _compile_
# 'unsigned long long' to 'float' and 'double' typecasts.
# (This flag should be set for all machines.)
#
IF (H5_ULLONG_TO_FP_CAST_WORKS MATCHES ^H5_ULLONG_TO_FP_CAST_WORKS$)
SET (H5_ULLONG_TO_FP_CAST_WORKS 1 CACHE INTERNAL "Checking IF compiling unsigned long long to floating-point typecasts work")
MESSAGE (STATUS "Checking IF compiling unsigned long long to floating-point typecasts work... yes")
ENDIF (H5_ULLONG_TO_FP_CAST_WORKS MATCHES ^H5_ULLONG_TO_FP_CAST_WORKS$)
# ----------------------------------------------------------------------
# Set the flag to indicate that the machine can _compile_
# 'long long' to 'float' and 'double' typecasts.
# (This flag should be set for all machines.)
#
IF (H5_LLONG_TO_FP_CAST_WORKS MATCHES ^H5_LLONG_TO_FP_CAST_WORKS$)
SET (H5_LLONG_TO_FP_CAST_WORKS 1 CACHE INTERNAL "Checking IF compiling long long to floating-point typecasts work")
MESSAGE (STATUS "Checking IF compiling long long to floating-point typecasts work... yes")
ENDIF (H5_LLONG_TO_FP_CAST_WORKS MATCHES ^H5_LLONG_TO_FP_CAST_WORKS$)
# ----------------------------------------------------------------------
# Set the flag to indicate that the machine can convert from
# 'unsigned long long' to 'long double' without precision loss.
# (This flag should be set for all machines, except for FreeBSD(sleipnir)
# where the last 2 bytes of mantissa are lost when compiler tries to do
# the conversion, and Cygwin where compiler doesn't do rounding correctly.)
#
H5ConversionTests (H5_ULLONG_TO_LDOUBLE_PRECISION "Checking IF converting unsigned long long to long double with precision")
# ----------------------------------------------------------------------
# Set the flag to indicate that the machine can handle overflow converting
# all floating-point to all integer types.
# (This flag should be set for all machines, except for Cray X1 where
# floating exception is generated when the floating-point value is greater
# than the maximal integer value).
#
H5ConversionTests (H5_FP_TO_INTEGER_OVERFLOW_WORKS "Checking IF overflows normally converting floating-point to integer values")
# ----------------------------------------------------------------------
# Set the flag to indicate that the machine can accurately convert
# 'long double' to '(unsigned) long long' values. (This flag should be set for
# all machines, except for Mac OS 10.4 and SGI IRIX64 6.5. When the bit sequence
# of long double is 0x4351ccf385ebc8a0bfcc2a3c..., the values of (unsigned)long long
# start to go wrong on these two machines. Adjusting it higher to
# 0x4351ccf385ebc8a0dfcc... or 0x4351ccf385ebc8a0ffcc... will make the converted
# values wildly wrong. This test detects this wrong behavior and disable the test.
#
H5ConversionTests (H5_LDOUBLE_TO_LLONG_ACCURATE "Checking IF correctly converting long double to (unsigned) long long values")
# ----------------------------------------------------------------------
# Set the flag to indicate that the machine can accurately convert
# '(unsigned) long long' to 'long double' values. (This flag should be set for
# all machines, except for Mac OS 10.4, when the bit sequences are 003fff...,
# 007fff..., 00ffff..., 01ffff..., ..., 7fffff..., the converted values are twice
# as big as they should be.
#
H5ConversionTests (H5_LLONG_TO_LDOUBLE_CORRECT "Checking IF correctly converting (unsigned) long long to long double values")
H5ConversionTests (H5_NO_ALIGNMENT_RESTRICTIONS "Checking IF alignment restrictions are strictly enforced")
#-----------------------------------------------------------------------------
# These tests need to be manually SET for windows since there is currently
# something not quite correct with the actual test implementation. This affects
# the 'dt_arith' test and most likely lots of other code
# ----------------------------------------------------------------------------
IF (WINDOWS)
SET (H5_FP_TO_ULLONG_RIGHT_MAXIMUM "" CACHE INTERNAL "")
ENDIF (WINDOWS)
|