-
Notifications
You must be signed in to change notification settings - Fork 262
/
configure.ac
2346 lines (2038 loc) · 89.6 KB
/
configure.ac
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
o# -*- Autoconf -*-
## Process this file with autoconf to produce a configure script.
# This is part of Unidata's netCDF package. Copyright 2005-2018, see
# the COPYRIGHT file for more information.
# Ed Hartnett, Ward Fisher, Dennis Heimbigner
# Running autoconf on this file will trigger a warning if
# autoconf is not at least the specified version.
AC_PREREQ([2.59])
# Initialize with name, version, and support email address.
AC_INIT([netCDF],[4.9.4-development],[[email protected]],[netcdf-c])
##
# Prefer an empty CFLAGS variable instead of the default -g -O2.
# See:
# * http://www.gnu.org/savannah-checkouts/gnu/autoconf/manual/autoconf-2.69/html_node/C-Compiler.html#C-Compiler
##
: ${CFLAGS=""}
AC_SUBST([netCDF_VERSION_MAJOR]) netCDF_VERSION_MAJOR=4
AC_SUBST([netCDF_VERSION_MINOR]) netCDF_VERSION_MINOR=9
AC_SUBST([netCDF_VERSION_PATCH]) netCDF_VERSION_PATCH=4
AC_SUBST([NC_VERSION_NOTE]) NC_VERSION_NOTE="-development"
##
# These linker flags specify libtool version info.
# See http://www.gnu.org/software/libtool/manual/libtool.html#Libtool-versioning
# for information regarding incrementing `-version-info`.
# These values should match those in CMakeLists.txt
AC_SUBST([netCDF_SO_VERSION]) netCDF_SO_VERSION=22:0:0
#####
# Set some variables used to generate a libnetcdf.settings file,
# pattered after the files generated by libhdf4, libhdf5.
#####
# Create the VERSION file, which contains the package version from AC_INIT.
# This file is apparently unused. But see the bottom of Makefile.am
# echo AC_PACKAGE_VERSION>VERSION
AC_SUBST(PACKAGE_VERSION)
AC_MSG_NOTICE([netCDF AC_PACKAGE_VERSION])
# Keep libtool macros in an m4 directory.
AC_CONFIG_MACRO_DIR([m4])
# Configuration Date
if test "x$SOURCE_DATE_EPOCH" != "x" ; then
AC_SUBST([CONFIG_DATE]) CONFIG_DATE="`date -u -d "${SOURCE_DATE_EPOCH}"`"
else
AC_SUBST([CONFIG_DATE]) CONFIG_DATE="`date`"
fi
# Find out about the host we're building on.
AC_CANONICAL_HOST
# Find out about the target we're building for.
AC_CANONICAL_TARGET
AC_CONFIG_HEADERS([config.h])
##
# Check to see if the compiler supports -fno-strict-aliasing and, if so,
# add that to the C compiler flags. This is in support of https://github.com/Unidata/netcdf-c/issues/1983.
##
SAVE_CFLAGS="${CFLAGS}"
AC_LANG_PUSH([C])
AC_LANG_COMPILER_REQUIRE
CFLAGS="${CFLAGS} -fno-strict-aliasing"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
[int i = 0;]])],
[have_no_strict_aliasing=yes],
[have_no_strict_aliasing=no])
AC_MSG_CHECKING([whether compiler supports -fno-strict-aliasing])
AC_MSG_RESULT([$have_no_strict_aliasing])
AC_LANG_POP([C])
if test $have_no_strict_aliasing = no; then
CFLAGS=$SAVE_CFLAGS
fi
##
# Check to see if we have getfattr
##
AC_CHECK_PROGS([HAVE_GETFATTR], [getfattr])
if test -n "$HAVE_GETFATTR"; then
AC_DEFINE_UNQUOTED([HAVE_GETFATTR],[1],[getfattr is available])
fi
##
# Some files need to exist in build directories
# that do not correspond to their source directory, or
# the test program makes an assumption about where files
# live. AC_CONFIG_LINKS provides a mechanism to link/copy files
# if an out-of-source build is happening.
##
AC_CONFIG_LINKS([nc_test4/ref_hdf5_compat1.nc:nc_test4/ref_hdf5_compat1.nc])
AC_CONFIG_LINKS([nc_test4/ref_hdf5_compat2.nc:nc_test4/ref_hdf5_compat2.nc])
AC_CONFIG_LINKS([nc_test4/ref_hdf5_compat3.nc:nc_test4/ref_hdf5_compat3.nc])
AC_CONFIG_LINKS([hdf4_test/ref_chunked.hdf4:hdf4_test/ref_chunked.hdf4])
AC_CONFIG_LINKS([hdf4_test/ref_contiguous.hdf4:hdf4_test/ref_contiguous.hdf4])
AM_INIT_AUTOMAKE([foreign dist-zip subdir-objects])
#AM_MAINTAINER_MODE()
# Check for the existence of this file before proceeding.
AC_CONFIG_SRCDIR([include/netcdf.h])
# Figure out platforms of special interest
AC_CANONICAL_HOST
AS_CASE([$host],
[*-*-cygwin], [ISCYGWIN=yes],
[*-*-darwin*], [ISOSX=yes],
[*-*-mingw*], [ISMINGW=yes],
[*-*-msys], [ISMINGW=yes],
[*-*-win*], [ISMSVC=yes],
[]
)
if test "x$MSYSTEM" != x ; then
ISMINGW=yes
ISMSYS=yes
fi
# Get windows version info
if test "x$ISMSVC" = xyes ; then
WINVER=`systeminfo | sed -e '/^OS Version:/p' -ed | sed -e 's|[^0-9]*\([0-9.]*\).*|\1|'`
else
WINVER="0.0.0"
fi
WINVERMAJOR=`echo $WVER | sed -e 's|\([^.]*\)[.]\([^.]*\)[.]\(.*\)|\1|'`
WINVERBUILD=`echo $WVER | sed -e 's|\([^.]*\)[.]\([^.]*\)[.]\(.*\)|\3|'`
if test "x$WINVERMAJOR" = x ; then WINVERMAJOR=0; fi
if test "x$WINVERBUILD" = x ; then WINVERBUILD=0; fi
AC_DEFINE_UNQUOTED([WINVERMAJOR], [$WINVERMAJOR], [windows version major])
AC_DEFINE_UNQUOTED([WINVERBUILD], [$WINVERBUILD], [windows version build])
AC_MSG_NOTICE([checking supported formats])
# As a long term goal, and because it is now the case that --enable-nczarr
# => USE_NETCDF4, make the external options --enable-netcdf-4 and
# --enable-netcdf4 obsolete in favor of --enable-hdf5
# We will do the following for one more release cycle.
# 1. Make --enable-netcdf-4 be an alias for --enable-netcdf4.
# 2. Make --enable-netcdf4 an alias for --enable-hdf5.
# 3. Internally, convert most uses of USE_NETCDF_4 ad USE_NETCDF4 to USE_HDF5
# Collect the values of --enable-netcdf-4, --enable-netcdf4, and --enable-hdf5.
# Also determine which have been explicitly set on the command line.
AC_ARG_ENABLE([netcdf-4], [AS_HELP_STRING([--enable-netcdf-4],
[(Deprecated) Synonym for --enable-hdf5; default yes])])
AC_ARG_ENABLE([netcdf4], [AS_HELP_STRING([--enable-netcdf4],
[(Deprecated) Synonym for --enable-hdf5; default yes])])
AC_ARG_ENABLE([hdf5], [AS_HELP_STRING([--enable-hdf5],[default yes])])
# Complain about the use of --enable-netcdf-4/--enable-netcdf4
if test "x$enable_netcdf_4" != x ; then
AC_MSG_WARN([--enable-netcdf-4 is deprecated; please use --enable-hdf5])
fi
if test "x$enable_netcdf4" != x ; then
AC_MSG_WARN([--enable-netcdf4 is deprecated; please use --enable-hdf5])
fi
# --enable-netcdf-4 overrides --enable-netcdf4 if latter not defined
if test "x$enable_netcdf_4" != x && test "x$enable_netcdf4" == x ; then
enable_netcdf4="$enable_netcdf_4"
fi
# --enable-netcdf4 overrides --enable-hdf5 if latter not defined
if test "x$enable_netcdf4" != x && test "x$enable_hdf5" == x ; then
enable_hdf5="$enable_netcdf4"
fi
# Otherwise, use --enable-hdf5
AC_MSG_CHECKING([whether we should build with HDF5])
test "x$enable_hdf5" = xno || enable_hdf5=yes
AC_MSG_RESULT([$enable_hdf5])
# Turn off enable_netcdf4 because it will be used
# as a shorthand for enable_hdf5|enable_hdf4|enable_nczarr
enable_netcdf4=no
# Check whether we want to enable CDF5 support.
AC_MSG_CHECKING([whether CDF5 support should be disabled])
AC_ARG_ENABLE([cdf5],
[AS_HELP_STRING([--disable-cdf5],
[build without CDF5 support. @<:@default: auto@:>@])],
[enable_cdf5=${enableval}], [enable_cdf5=auto]
)
AC_MSG_RESULT($enable_cdf5)
# Does the user want to turn on HDF4 read ability?
AC_MSG_CHECKING([whether reading of HDF4 SD files is to be enabled])
AC_ARG_ENABLE([hdf4], [AS_HELP_STRING([--enable-hdf4],
[build netcdf with HDF4 read capability (HDF4, HDF5 and zlib required)])])
test "x$enable_hdf4" = xyes || enable_hdf4=no
AC_MSG_RESULT($enable_hdf4)
AC_MSG_CHECKING([whether parallel I/O for classic files is to be enabled])
AC_ARG_ENABLE([pnetcdf], [AS_HELP_STRING([--enable-pnetcdf],
[build with parallel I/O for classic files. @<:@default: disabled@:>@])])
test "x$enable_pnetcdf" = xyes || enable_pnetcdf=no
AC_MSG_RESULT($enable_pnetcdf)
AC_MSG_CHECKING([whether any network access should be allowed])
AC_ARG_ENABLE([remote-functionality], [AS_HELP_STRING([--enable-remote-functionality],
[enable|disable all forms of network access (default enabled)])])
test "x$enable_remote_functionality" = xno || enable_remote_functionality=yes
AC_MSG_RESULT($enable_remote_functionality)
# We need curl for remote operations
AC_MSG_CHECKING([whether we need to look for libcurl])
AC_ARG_ENABLE([curl],
[AS_HELP_STRING([--enable-curl],
[look for and link against libcurl])])
## Capture the state of the --enable-dap flag => enable dap2+dap4
AC_MSG_CHECKING([whether DAP client(s) are to be built])
AC_ARG_ENABLE([dap],
[AS_HELP_STRING([--disable-dap],
[build without DAP client support.])])
test "x$enable_dap" = xno || enable_dap=yes
AC_MSG_RESULT($enable_dap)
if test "x$enable_remote_functionality" = xno ; then
AC_MSG_WARN([All network access is disabled => DAP support disabled.])
enable_dap=no
fi
AC_MSG_CHECKING([whether netcdf zarr storage format should be disabled])
AC_ARG_ENABLE([nczarr],
[AS_HELP_STRING([--disable-nczarr],
[disable netcdf zarr storage support])])
test "x$enable_nczarr" = xno || enable_nczarr=yes
AC_MSG_RESULT($enable_nczarr)
# HDF5 | HDF4 | NCZarr => netcdf-4
if test "x$enable_hdf5" = xyes || test "x$enable_hdf4" = xyes || test "x$enable_nczarr" = xyes ; then
enable_netcdf4=yes
fi
AC_MSG_NOTICE([checking user options])
# Did the user specify a default minimum blocksize (NCIO_MINBLOCKSIZE) for posixio?
AC_MSG_CHECKING([whether a NCIO_MINBLOCKSIZE was specified])
AC_ARG_WITH([minblocksize],
[AS_HELP_STRING([--with-minblocksize=<integer>],
[Specify minimum I/O blocksize for netCDF classic and 64-bit offset format files.])],
[NCIO_MINBLOCKSIZE=$with_minblocksize], [NCIO_MINBLOCKSIZE=256])
AC_MSG_RESULT([$NCIO_MINBLOCKSIZE])
AC_DEFINE_UNQUOTED([NCIO_MINBLOCKSIZE], [$NCIO_MINBLOCKSIZE], [min blocksize for posixio.])
# Find valgrind, if available, and add targets for it.
AX_VALGRIND_DFLT([sgcheck], [off])
AX_VALGRIND_CHECK
AM_CONDITIONAL(ENABLE_VALGRIND, [test "x$VALGRIND_ENABLED" = xyes])
###
# Doxygen and doxygen-related options.
###
AC_ARG_ENABLE([doxygen],
[AS_HELP_STRING([--enable-doxygen],
[Enable generation of documentation.])])
test "x$enable_doxygen" = xyes || enable_doxygen=no
AM_CONDITIONAL([BUILD_DOCS], [test "x$enable_doxygen" = xyes])
AC_ARG_ENABLE([doxygen-tasks],
[AS_HELP_STRING([--enable-doxygen-tasks],
[Enable Doxygen-generated test, todo and bug list documentation. Developers only.])])
test "x$enable_doxygen_tasks" = xyes || enable_doxygen_tasks=no
AM_CONDITIONAL([SHOW_DOXYGEN_TAG_LIST], [test "x$enable_doxygen_tasks" = xyes])
AC_SUBST([SHOW_DOXYGEN_TAG_LIST], [$enable_doxygen_tasks])
###
# Determine if we should build documentation
# configured for releases on the Unidata web server.
###
AC_ARG_ENABLE([doxygen-build-release-docs],
[AS_HELP_STRING([--enable-doxygen-build-release-docs],
[Build release documentation. This is of interest only to developers.])])
test "x$enable_doxygen_build_release_docs" = xyes || enable_doxygen_build_release_docs=no
AM_CONDITIONAL([DOXYGEN_BUILD_RELEASE_DOCS], [test "x$enable_doxygen_build_release_docs" = xyes])
if test $enable_doxygen_build_release_docs = yes; then
AC_SUBST([DOXYGEN_CSS_FILE], ["release.css"])
AC_SUBST([DOXYGEN_HEADER_FILE], ["release_header.html"])
AC_SUBST([DOXYGEN_SEARCHENGINE], ["NO"])
else
AC_SUBST([DOXYGEN_CSS_FILE], [])
AC_SUBST([DOXYGEN_HEADER_FILE], [])
AC_SUBST([DOXYGEN_SEARCHENGINE], ["YES"])
fi
AC_SUBST([DOXYGEN_SERVER_BASED_SEARCH], ["NO"])
AC_ARG_ENABLE([doxygen-pdf-output],
[AS_HELP_STRING([--enable-doxygen-pdf-output],
[Build netCDF library documentation in PDF format. Experimental.])])
AC_SUBST([NC_NETCDF_ENABLE_DOXYGEN_PDF_OUTPUT], [$enable_doxygen_pdf_output])
AM_CONDITIONAL([NC_NETCDF_ENABLE_DOXYGEN_PDF_OUTPUT], [test "x$enable_doxygen_pdf_output" = xyes])
AC_ARG_ENABLE([dot],
[AS_HELP_STRING([--enable-dot],
[Use dot (provided by graphviz) to generate charts and graphs in the doxygen-based documentation.])])
test "x$enable_dot" = xyes || enable_dot=no
AC_ARG_ENABLE([internal-docs],
[AS_HELP_STRING([--enable-internal-docs],
[Include documentation of library internals. This is of interest only to those developing the netCDF library.])])
test "x$enable_internal_docs" = xyes || enable_internal_docs=no
AC_SUBST([BUILD_INTERNAL_DOCS], [$enable_internal_docs])
# Doxygen is apparently buggy when trying to combine a markdown
# file with @internal. The equivalent can be faked using
# the Doxygen ENABLED_SECTIONS mechanism. See docs/testserver.dox
# to see how this is done.
sections=
if test "x$enable_internal_docs" = xyes ; then
sections="$sections INTERNAL"
fi
AC_SUBST([ENABLED_DOC_SECTIONS], [$sections])
AC_MSG_CHECKING([if fsync support is enabled])
AC_ARG_ENABLE([fsync],
[AS_HELP_STRING([--enable-fsync],
[enable fsync support])],
[],
[enable_fsync=no])
test "x$enable_fsync" = xno || enable_fsync=yes
AC_MSG_RESULT($enable_fsync)
if test "x$enable_fsync" = xyes ; then
AC_DEFINE([USE_FSYNC], [1], [if true, include experimental fsync code])
fi
# Does the user want to turn off unit tests (useful for test coverage
# analysis).
AC_MSG_CHECKING([if unit tests should be enabled])
AC_ARG_ENABLE([unit-tests],
[AS_HELP_STRING([--enable-unit-tests],
[Disable tests in unit_test directory. Other tests still run.])])
test "x$enable_unit_tests" = xno || enable_unit_tests=yes
AC_MSG_RESULT($enable_unit_tests)
AM_CONDITIONAL(BUILD_UNIT_TESTS, [test "x$enable_unit_tests" = xyes])
# Does the user require dynamic loading?
# This is only for those hdf5 installs that support it.
AC_MSG_CHECKING([do we require hdf5 dynamic-loading support])
AC_ARG_ENABLE([dynamic-loading], [AS_HELP_STRING([--enable-dynamic-loading],
[enable dynamic loading for use with supported hdf5 installs (libdl, HDF5 required)])])
test "x$enable_dynamic_loading" = xno || enable_dynamic_loading=yes
AC_MSG_RESULT([$enable_dynamic_loading])
# Does the user want to turn on extra HDF4 file tests?
AC_MSG_CHECKING([whether to fetch some sample HDF4 files from Unidata resources site to test HDF4 reading (requires wget)])
AC_ARG_ENABLE([hdf4-file-tests], [AS_HELP_STRING([--enable-hdf4-file-tests],
[get some HDF4 files from Unidata resources site and test that they can be read])])
test "x$enable_hdf4" = xyes -a "x$enable_hdf4_file_tests" = xyes || enable_hdf4_file_tests=no
if test "x$enable_hdf4_file_tests" = xyes; then
AC_DEFINE([USE_HDF4_FILE_TESTS], 1, [If true, use use wget to fetch some sample HDF4 data, and then test against it.])
fi
AC_MSG_RESULT($enable_hdf4_file_tests)
# Does the user want to run extra parallel tests when parallel netCDF-4 is built?
AC_MSG_CHECKING([whether parallel IO tests should be run])
AC_ARG_ENABLE([parallel-tests],
[AS_HELP_STRING([--enable-parallel-tests],
[Run extra parallel IO tests. Requires netCDF-4
with parallel I/O support.])])
test "x$enable_parallel_tests" = xyes || enable_parallel_tests=no
AC_MSG_RESULT($enable_parallel_tests)
# Did the user specify an MPI launcher other than mpiexec?
AC_MSG_CHECKING([whether a user specified program to run mpi programs])
AC_ARG_WITH([mpiexec],
[AS_HELP_STRING([--with-mpiexec=<command>],
[Specify command to launch MPI parallel tests.])],
[MPIEXEC=$with_mpiexec], [MPIEXEC=mpiexec])
AC_MSG_RESULT([$MPIEXEC])
AC_SUBST([MPIEXEC], [$MPIEXEC])
# Did the user specify a default chunk size?
AC_MSG_CHECKING([whether a default chunk size in bytes was specified])
AC_ARG_WITH([default-chunk-size],
[AS_HELP_STRING([--with-default-chunk-size=<integer>],
[Specify default size of chunks in bytes.])],
[DEFAULT_CHUNK_SIZE=$with_default_chunk_size], [DEFAULT_CHUNK_SIZE=4194304])
AC_MSG_RESULT([$DEFAULT_CHUNK_SIZE])
AC_DEFINE_UNQUOTED([DEFAULT_CHUNK_SIZE], [$DEFAULT_CHUNK_SIZE], [default chunk size in bytes])
# Did the user specify a default cache size?
AC_MSG_CHECKING([whether a default cache size was specified])
AC_ARG_WITH([default-chunk-cache-size],
[AS_HELP_STRING([--with-default-chunk-cache-size=<integer>],
[Specify default size (in bytes) for chunk cache.])],
[DEFAULT_CHUNK_CACHE_SIZE=$with_default_chunk_cache_size], [DEFAULT_CHUNK_CACHE_SIZE=16777216U])
AC_MSG_RESULT([$DEFAULT_CHUNK_CACHE_SIZE])
AC_DEFINE_UNQUOTED([DEFAULT_CHUNK_CACHE_SIZE], [$DEFAULT_CHUNK_CACHE_SIZE], [default size of the chunk cache.])
# Did the user specify a max number of chunks in default per-var cache size?
AC_MSG_CHECKING([whether a default number of entries for the chunk cache was specified])
AC_ARG_WITH([default-chunks-in-cache],
[AS_HELP_STRING([--with-default-chunks-in-cache=<integer>],
[Specify the max number of chunks to store in cache.])],
[DEFAULT_CHUNKS_IN_CACHE=$with_default_chunks_in_cache], [DEFAULT_CHUNKS_IN_CACHE=1000])
AC_MSG_RESULT([$DEFAULT_CHUNKS_IN_CACHE])
AC_DEFINE_UNQUOTED([DEFAULT_CHUNKS_IN_CACHE], [$DEFAULT_CHUNKS_IN_CACHE], [default max num chunks in chunk cache.])
# Did the user specify a default cache preemption
AC_MSG_CHECKING([whether a default cache preemption was specified])
AC_ARG_WITH([default-chunk-cache-preemption],
[AS_HELP_STRING([--with-chunk-cache-preemption=<float between 0 and 1 inclusive>],
[Specify default file chunk cache preemption policy (a number between 0 and 1, inclusive).])],
[DEFAULT_CHUNK_CACHE_PREEMPTION=$with_chunk_cache_preemption], [DEFAULT_CHUNK_CACHE_PREEMPTION=0.75])
AC_MSG_RESULT([$DEFAULT_CHUNK_CACHE_PREEMPTION])
AC_DEFINE_UNQUOTED([DEFAULT_CHUNK_CACHE_PREEMPTION], [$DEFAULT_CHUNK_CACHE_PREEMPTION], [default file chunk cache preemption policy.])
# These three options are redundant over the --with-default... options above.
# Did the user specify a default cache size for HDF5?
AC_MSG_CHECKING([whether a default file cache size for HDF5 was specified])
AC_ARG_WITH([chunk-cache-size],
[AS_HELP_STRING([--with-chunk-cache-size=<integer>],
[Specify default file cache chunk size for HDF5 files in bytes.])],
[CHUNK_CACHE_SIZE=$with_chunk_cache_size], [CHUNK_CACHE_SIZE=DEFAULT_CHUNK_CACHE_SIZE])
AC_MSG_RESULT([$CHUNK_CACHE_SIZE])
AC_DEFINE_UNQUOTED([CHUNK_CACHE_SIZE], [$CHUNK_CACHE_SIZE], [default file chunk cache size in bytes.])
# Did the user specify a default max cache entries for HDF5
AC_MSG_CHECKING([whether a default file cache maximum number of elements for HDF5 was specified])
AC_ARG_WITH([chunk-cache-nelems],
[AS_HELP_STRING([--with-chunk-cache-nelems=<integer>],
[Specify default maximum number of elements in the file chunk cache chunk for HDF5 files (should be prime number).])],
[CHUNK_CACHE_NELEMS=$with_chunk_cache_nelems], [CHUNK_CACHE_NELEMS=DEFAULT_CHUNKS_IN_CACHE])
AC_MSG_RESULT([$CHUNK_CACHE_NELEMS])
AC_DEFINE_UNQUOTED([CHUNK_CACHE_NELEMS], [$CHUNK_CACHE_NELEMS], [default file chunk cache nelems.])
# Did the user specify a default cache preemption for HDF5?
AC_MSG_CHECKING([whether a default cache preemption for HDF5 was specified])
AC_ARG_WITH([chunk-cache-preemption],
[AS_HELP_STRING([--with-chunk-cache-preemption=<float between 0 and 1 inclusive>],
[Specify default file chunk cache preemption policy for HDF5 files (a number between 0 and 1, inclusive).])],
[CHUNK_CACHE_PREEMPTION=$with_chunk_cache_preemption], [CHUNK_CACHE_PREEMPTION=DEFAULT_CHUNK_CACHE_PREEMPTION])
AC_MSG_RESULT([$CHUNK_CACHE_PREEMPTION])
AC_DEFINE_UNQUOTED([CHUNK_CACHE_PREEMPTION], [$CHUNK_CACHE_PREEMPTION], [default file chunk cache preemption policy.])
# Does the user want to enable netcdf-4 logging?
AC_MSG_CHECKING([whether netCDF-4 logging is enabled])
AC_ARG_ENABLE([logging],
[AS_HELP_STRING([--enable-logging],
[enable logging capability (only applies when netCDF-4 is built). \
This debugging features is only of interest to netCDF developers. \
Ignored if netCDF-4 is not enabled.])])
test "x$enable_logging" = xyes || enable_logging=no
AC_MSG_RESULT([$enable_logging])
if test "x$enable_logging" = xyes; then
enable_set_log_level_func=yes
enable_set_log_level=yes
AC_DEFINE([NETCDF_ENABLE_SET_LOG_LEVEL], 1, [If true, enable nc_set_log_level function.])
else
enable_set_log_level_func=no
enable_set_log_level=no
fi
# Does the user want to allow reading of remote data via range headers?
AC_MSG_CHECKING([whether byte range support is enabled])
AC_ARG_ENABLE([byterange],
[AS_HELP_STRING([--disable-byterange],
[allow byte-range I/O])])
test "x$enable_byterange" = xno || enable_byterange=yes
AC_MSG_RESULT($enable_byterange)
if test "x$enable_dap" = xno && test "x$enable_byterange" = xyes; then
AC_MSG_WARN([DAP required for byterange. Byterange support disabled.])
enable_byterange=no
fi
###
# Stanza to check for functionality which requires linking against
# libcurl.
###
if test "x$enable_dap" = xyes || test "x$enable_nczarr" = xyes; then
enable_curl=yes
fi
if test "x$enable_curl" = xyes; then
if test "x$enable_dap" = xyes && test "x$found_curl" = xno ; then
AC_MSG_WARN([curl required for dap access. DAP support disabled.])
enable_dap=no
fi
# Need curl for byte ranges
if test "x$found_curl" = xno && test "x$enable_byterange" = xyes ; then
AC_MSG_WARN([curl required for byte range support. Install curl or build without --enable-byterange.])
enable_byterange=no
fi
if test "x$enable_byterange" = xyes; then
AC_DEFINE([NETCDF_ENABLE_BYTERANGE], [1], [if true, support byte-range read of remote datasets.])
fi
AC_CHECK_LIB([curl],[curl_easy_setopt],[found_curl=yes],[found_curl=no])
if test "x$found_curl" = "xyes" ; then
AC_SEARCH_LIBS([curl_easy_setopt],[curl curl.dll cygcurl.dll], [],[])
fi
if test "x$enable_dap" = xyes & test "x$found_curl" = xno ; then
AC_MSG_WARN([curl required for dap access. DAP support disabled.])
enable_dap=no
fi
# Save/restore CFLAGS
SAVECFLAGS="$CFLAGS"
CFLAGS="${curl_cflags}"
# CURLOPT_USERNAME is not defined until curl version 7.19.1
# CURLOPT_PASSWORD is not defined until curl version 7.19.1
# CURLOPT_KEYPASSWD is not defined until curl version 7.16.4
# CURLINFO_RESPONSE_CODE is not defined until curl version 7.10.7
# CURLOPT_CHUNK_BGN_FUNCTION is not defined until curl version 7.21.0
# CURL_MAX_READ_SIZE is not defined until 7.59
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[#include "curl/curl.h"],
[[int x = CURLOPT_USERNAME;]])],
[haveusername=yes],
[haveusername=no])
AC_MSG_CHECKING([whether CURLOPT_USERNAME is defined])
AC_MSG_RESULT([${haveusername}])
if test $haveusername = yes; then
AC_DEFINE([HAVE_CURLOPT_USERNAME],[1],[Is CURLOPT_USERNAME defined])
fi
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[#include "curl/curl.h"],
[[int x = CURLOPT_PASSWORD;]])],
[havepassword=yes],
[havepassword=no])
AC_MSG_CHECKING([whether CURLOPT_PASSWORD is defined])
AC_MSG_RESULT([${havepassword}])
if test $havepassword = yes; then
AC_DEFINE([HAVE_CURLOPT_PASSWORD],[1],[Is CURLOPT_PASSWORD defined])
fi
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[#include "curl/curl.h"],
[[int x = CURLOPT_KEYPASSWD;]])],
[havekeypassword=yes],
[havekeypassword=no])
AC_MSG_CHECKING([whether CURLOPT_KEYPASSWD is defined])
AC_MSG_RESULT([${havekeypassword}])
if test $havekeypassword = yes; then
AC_DEFINE([HAVE_CURLOPT_KEYPASSWD],[1],[Is CURLOPT_KEYPASSWD defined])
fi
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[#include "curl/curl.h"],
[[int x = CURLINFO_RESPONSE_CODE;]])],
[haveresponsecode=yes],
[haveresponsecode=no])
AC_MSG_CHECKING([whether CURLINFO_RESPONSE_CODE is defined])
AC_MSG_RESULT([${haveresponsecode}])
if test $haveresponsecode = yes; then
AC_DEFINE([HAVE_CURLINFO_RESPONSE_CODE],[1],[Is CURLINFO_RESPONSE_CODE defined])
fi
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[#include "curl/curl.h"],
[[int x = CURLOPT_BUFFERSIZE;]])],
[havecurloption=yes],
[havecurloption=no])
AC_MSG_CHECKING([whether CURLOPT_BUFFERSIZE is defined])
AC_MSG_RESULT([${havecurloption}])
if test $havecurloption = yes; then
AC_DEFINE([HAVE_CURLOPT_BUFFERSIZE],[1],[Is CURLOPT_BUFFERSIZE defined])
fi
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[#include "curl/curl.h"],
[[int x = CURLOPT_TCP_KEEPALIVE;]])],
[havecurloption=yes],
[havecurloption=no])
AC_MSG_CHECKING([whether CURLOPT_TCP_KEEPALIVE is defined])
AC_MSG_RESULT([${havecurloption}])
if test $havecurloption = yes; then
AC_DEFINE([HAVE_CURLOPT_KEEPALIVE],[1],[Is CURLOPT_TCP_KEEPALIVE defined])
fi
# CURLOPT_VERIFYHOST semantics differ depending on version
AC_MSG_CHECKING([whether libcurl is version 7.66 or later?])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[#include "curl/curl.h"],
[[
#if !CURL_AT_LEAST_VERSION(7,66,0)
error "<7.66";
#endif
]])], [libcurl766=yes], [libcurl766=no])
AC_MSG_RESULT([$libcurl766])
if test x$libcurl766 = xyes; then
AC_DEFINE([HAVE_LIBCURL_766],[1],[libcurl version is 7.66 or later])
fi
CFLAGS="$SAVECFLAGS"
fi
###
# End libcurl-related stanza
###
###
# Libxml2 control block.
###
AC_MSG_CHECKING([whether to search for and use external libxml2])
AC_ARG_ENABLE([libxml2],
[AS_HELP_STRING([--disable-libxml2],
[disable detection and use of libxml2 in favor of the bundled xml parser])])
test "x$enable_libxml2" = xno || enable_libxml2=yes
AC_MSG_RESULT([$enable_libxml2])
# We can optionally use libxml2 for DAP4 and nch5comms, if enabled
have_libxml2=no
if test "x$enable_libxml2" = xyes; then
AC_CHECK_PROGS([NC_XML2_CONFIG], [xml2-config])
if test -z "$NC_XML2_CONFIG"; then
AC_MSG_ERROR([Cannot find xml2-config utility. Either install the libxml2 development package, or re-run configure with --disable-libxml2 to use the bundled xml2 parser])
fi
AC_CHECK_LIB([xml2],[xmlReadMemory],[have_libxml2=yes],[have_libxml2=no])
if test "x$have_libxml2" = "xyes" ; then
AC_SEARCH_LIBS([xmlReadMemory],[xml2 xml2.dll cygxml2.dll], [],[])
fi
if test "x$have_libxml2" = xyes; then
XML2FLAGS=`xml2-config --cflags`
AC_SUBST([XML2FLAGS],${XML2FLAGS})
AC_DEFINE([HAVE_LIBXML2], [1], [if true, use libxml2])
fi
fi
if test "x$enable_libxml2" = xyes; then
XMLPARSER="libxml2"
else
XMLPARSER="tinyxml2 (bundled)"
fi
# Need a condition and subst for this
AM_CONDITIONAL(NETCDF_ENABLE_LIBXML2, [test "x$enable_libxml2" = xyes])
AC_SUBST([XMLPARSER],[${XMLPARSER}])
###
# End Libxml2 block
###
##
# Should quantize be enabled?
# On by default, but for testing purposes we may want to
# disable it.
##
AC_MSG_CHECKING([whether to enable quantize functionality])
AC_ARG_ENABLE([quantize],
[AS_HELP_STRING([--disable-quantize],
[disable quantize support. It is safe to leave this on unless you specifically need to disable it.])])
test "x$enable_quantize" = xno || enable_quantize=yes
AC_MSG_RESULT($enable_quantize)
if test "x${enable_quantize}" = xyes; then
AC_DEFINE([NETCDF_ENABLE_QUANTIZE], [1], [if true, enable quantize support])
fi
AM_CONDITIONAL(NETCDF_ENABLE_QUANTIZE, [test x$enable_quantize = xyes])
# --enable-dap => enable-dap4
enable_dap4=$enable_dap
AC_MSG_CHECKING([whether dap use of remotetest server should be enabled])
AC_ARG_ENABLE([dap-remote-tests],
[AS_HELP_STRING([--disable-dap-remote-tests],
[disable dap remote tests])])
# Default on
test "x$enable_dap_remote_tests" = xno || enable_dap_remote_tests=yes
if test "x$enable_dap" = "xno" ; then
enable_dap_remote_tests=no
fi
AC_MSG_RESULT($enable_dap_remote_tests)
# Provide a global control for remotetest.
if test "xREMOTETESTDOWN" = xyes ; then
AC_MSG_WARN("ENV(REMOTETESTDOWN) => netcdf_enable_dap_remote_tests == no")
enable_dap_remote_tests=no
fi
AC_MSG_CHECKING([whether use of external (non-unidata) servers should be enabled])
AC_ARG_ENABLE([external-server-tests],
[AS_HELP_STRING([--enable-external-server-tests (default off)],
[enable external server tests])])
test "x$enable_external_server_tests" = xyes || enable_external_server_tests=no
AC_MSG_RESULT($enable_external_server_tests)
if test "x$enable_dap_remote_tests" = "xno" ; then
AC_MSG_NOTICE([--disable-dap_remote_tests => --disable-external-server-tests])
enable_external_server_tests=no
fi
# Default is not to do the remote authorization tests.
AC_MSG_CHECKING([whether dap authorization testing should be enabled (default off)])
AC_ARG_ENABLE([dap-auth-tests],
[AS_HELP_STRING([--enable-dap-auth-tests],
[enable dap remote authorization tests])])
test "x$enable_dap_auth_tests" = xyes || enable_dap_auth_tests=no
AC_MSG_RESULT($enable_dap_auth_tests)
# dap must be enabled in order to use various other flags
if test "x$enable_dap" = "xno" ; then
AC_MSG_NOTICE([--disable-dap => --disable-dap-remote-tests --disable-auth-tests --disable-external-server-tests])
enable_dap_remote_tests=no
enable_dap_auth_tests=no
enable_external_server_tests=no
fi
# Did the user specify a list of test servers to try for remote tests?
AC_MSG_CHECKING([which remote test server(s) to use])
AC_ARG_WITH([testservers],
[AS_HELP_STRING([--with-testservers=<host:port>,<host:port>...],
[Specify the testserver(s) to try for remote tests.])],
[REMOTETESTSERVERS=$with_testservers], [REMOTETESTSERVERS=no])
if test "x$REMOTETESTSERVERS" = xno ; then
dfaltsvc="remotetest.unidata.ucar.edu"
REMOTETESTSERVERS="${dfaltsvc}"
fi
msg="${REMOTETESTSERVERS}"
if test "x$dfaltsvc" != x ; then
msg="${msg} (default)"
fi
AC_MSG_RESULT([${msg}])
AC_DEFINE_UNQUOTED([REMOTETESTSERVERS], ["$REMOTETESTSERVERS"], [the testservers for remote tests.])
# Set the config.h flags
if test "x$enable_dap" = xyes; then
AC_DEFINE([USE_DAP], [1], [if true, build DAP Client])
AC_DEFINE([NETCDF_ENABLE_DAP], [1], [if true, build DAP Client])
fi
if test "x$enable_dap_remote_tests" = xyes; then
AC_DEFINE([NETCDF_ENABLE_DAP_REMOTE_TESTS], [1], [if true, do remote tests])
fi
if test "x$enable_external_server_tests" = xyes; then
AC_DEFINE([NETCDF_ENABLE_EXTERNAL_SERVER_TESTS], [1], [if true, do remote external tests])
fi
AC_MSG_CHECKING([whether the time-consuming dap tests should be enabled (default off)])
AC_ARG_ENABLE([dap-long-tests],
[AS_HELP_STRING([--enable-dap-long-tests],
[enable dap long tests])])
test "x$enable_dap_long_tests" = xyes || enable_dap_long_tests=no
AC_MSG_RESULT([$enable_dap_long_tests])
if test "x$enable_dap_remote_tests" = "xno" || test "x$enable_external_server_tests" = "xno" ; then
AC_MSG_NOTICE([--disable-dap-remote|external-server-tests => --disable_dap_long_tests])
enable_dap_long_tests=no
fi
if test "x$enable_nczarr" = xyes; then
AC_DEFINE([NETCDF_ENABLE_NCZARR], [1], [if true, build NCZarr Client])
AC_SUBST(NETCDF_ENABLE_NCZARR)
fi
AM_CONDITIONAL(NETCDF_ENABLE_NCZARR, [test x$enable_nczarr = xyes])
##########
# Look for Standardized libraries
##########
##
# blosc checks
##
# See if we want to enable blosc, and if so, search for the library.
AC_MSG_CHECKING([whether to search for and enable blosc filter support])
AC_ARG_ENABLE([filter-blosc],
[AS_HELP_STRING([--disable-filter-blosc],
[disable blosc filter support.])])
test "x$enable_filter_blosc" = xno || enable_filter_blosc=yes
AC_MSG_RESULT($enable_filter_blosc)
if test "x$enable_filter_blosc" = "xyes" ; then
# See if we have libblosc
AC_CHECK_LIB([blosc],[blosc_init],[have_blosc=yes],[have_blosc=no])
if test "x$have_blosc" = "xyes" ; then
AC_SEARCH_LIBS([blosc_init],[blosc blosc.dll cygblosc.dll], [], [])
AC_DEFINE([HAVE_BLOSC], [1], [if true, blosc library is available])
fi
else
have_blosc=no
fi
##
# End blosc checks
##
##
# libzstd checks
##
# See if we want to enable libzstd, and if so, search for the library.
AC_MSG_CHECKING([whether to search for and enable libzstd filter support])
AC_ARG_ENABLE([filter-zstd],
[AS_HELP_STRING([--disable-filter-zstd],
[disable zstd filter support.])])
test "x$enable_filter_zstd" = xno || enable_filter_zstd=yes
AC_MSG_RESULT($enable_filter_zstd)
if test "x$enable_filter_zstd" = "xyes" ; then
# See if we have libzstd
AC_CHECK_LIB([zstd],[ZSTD_compress],[have_zstd=yes],[have_zstd=no])
if test "x$have_zstd" = "xyes" ; then
AC_SEARCH_LIBS([ZSTD_compress],[zstd zstd.dll cygzstd.dll], [], [])
AC_DEFINE([HAVE_ZSTD], [1], [if true, zstd library is available])
fi
AC_MSG_CHECKING([whether libzstd library is available])
AC_MSG_RESULT([${have_zstd}])
##
# Ensure that the zstd.h dev files are also available.
##
if test "x$have_zstd" = "xyes" ; then
AC_CHECK_HEADERS([zstd.h], [], [nc_zstd_h_missing=yes])
if test "x$nc_zstd_h_missing" = xyes; then
AC_MSG_WARN([zstd library detected, but zstd.h development file not found. Ensure that the zstd development files are installed in order to build zstd support.])
AC_DEFINE([HAVE_ZSTD], [0], [if true, zstd library is available])
have_zstd=no
fi
fi
else
have_zstd=no
fi
AC_MSG_CHECKING([whether we are going to build with zstd])
AC_SUBST([HAS_ZSTD], [$have_zstd])
AC_MSG_RESULT([$have_zstd])
##
# End zstd checks
##
##
# Begin bz2 checks
##
# See if we want to enable BZ2, and if so, search for the library.
AC_MSG_CHECKING([whether to search for and enable external bz2 filter support])
AC_ARG_ENABLE([filter-bz2],
[AS_HELP_STRING([--disable-filter-bz2],
[disable external bz2 filter support. bz2 support defaults to internal implementation if this is disabled or if the external library is not found.])])
test "x$enable_filter_bz2" = xno || enable_filter_bz2=yes
AC_MSG_RESULT([$enable_filter_bz2])
if test "x$enable_filter_bz2" = "xyes" ; then
AC_CHECK_LIB([bz2],[BZ2_bzCompress],[have_bz2=yes],[have_bz2=no])
if test "x$have_bz2" = "xyes" ; then
AC_SEARCH_LIBS([BZ2_bzCompress],[bz2 bz2.dll cygbz2.dll], [], [])
AC_DEFINE([HAVE_BZ2], [1], [if true, bz2 library is installed])
fi
AC_MSG_CHECKING([whether libbz2 library is available])
AC_MSG_RESULT([${have_bz2}])
fi
# How about bzip2
if test "x$have_bz2" = x ; then
AC_CHECK_LIB([bzip2],[BZ2_bzCompress],[have_bz2=yes],[have_bz2=no])
if test "x$have_bz2" = "xyes" ; then
AC_SEARCH_LIBS([BZ2_bzCompress],[bzip2 bzip2.dll cygbzip2.dll], [], [])
AC_DEFINE([HAVE_BZ2], [1], [if true, bzip2 library is installed])
fi
AC_MSG_CHECKING([whether libbzip2 library is available])
AC_MSG_RESULT([${have_bz2}])
fi
if test "x$have_bz2" = "xno" ; then
have_local_bz2=yes
AC_MSG_NOTICE([Defaulting to internal libbz2])
else
have_local_bz2=no
fi
AM_CONDITIONAL(HAVE_LOCAL_BZ2, [test "x$have_local_bz2" = xyes])
##
# End bz2 checks
##
# Note that szip management is tricky.
# This is because we have three things to consider:
# 1. is libsz available?
# 2. is szip enabled in HDF5?
# 3. is nczarr enabled?
# We need separate flags for cases 1 and 2
# See if we have libsz (usually via libaec)
AC_CHECK_LIB([sz],[SZ_BufftoBuffCompress],[have_sz=yes],[have_sz=no])
if test "x$have_sz" = "xyes" ; then
AC_SEARCH_LIBS([SZ_BufftoBuffCompress],[sz sz.dll cygsz.dll], [], [])
AC_DEFINE([HAVE_SZ], [1], [if true, libsz (==szip) is available])
fi
AC_MSG_CHECKING([whether libsz library is available])
AC_MSG_RESULT([${have_sz}])
##########
##
# Check to see if we're using NCZarr. If not, we don't need to check for dependencies and such.
##
if test "x$enable_nczarr" = xno ; then
enable_nczarr_zip=no
else
# See if we have libzip for NCZarr
AC_SEARCH_LIBS([zip_open],[zip zip.dll cygzip.dll],[have_zip=yes],[have_zip=no])
AC_MSG_CHECKING([whether libzip library is available])
AC_MSG_RESULT([${have_zip}])
enable_nczarr_zip=${have_zip} # alias
AC_MSG_CHECKING([whether nczarr zip support is enabled])
AC_MSG_RESULT([${enable_nczarr_zip}])
if test "x$enable_nczarr_zip" = xyes ; then
AC_DEFINE([NETCDF_ENABLE_NCZARR_ZIP], [1], [If true, then libzip found])
fi
# Check for enabling of S3 support
AC_MSG_CHECKING([whether netcdf S3 support should be enabled])
AC_ARG_ENABLE([s3],
[AS_HELP_STRING([--enable-s3],
[enable netcdf S3 support])])
test "x$enable_s3" = xyes || enable_s3=no
AC_MSG_RESULT($enable_s3)
if test "x$enable_remote_functionality" = xno ; then
AC_MSG_WARN([--disable-remote-functionality => --disable-s3])
enable_s3=no
fi
# --enable-nczarr-s3 is synonym for --enable-s3 (but...)
AC_MSG_CHECKING([whether netcdf NCZarr S3 support should be enabled])
AC_ARG_ENABLE([nczarr-s3],
[AS_HELP_STRING([--enable-nczarr-s3],
[(Deprecated) enable netcdf NCZarr S3 support; Deprecated in favor of --enable-s3])])
AC_MSG_RESULT([$enable_nczarr_s3 (Deprecated) Please use --enable-s3)])
# Set enable_s3 instead of enable_nczarr_s3
if test "x$enable_s3" = xno && test "x$enable_nczarr_s3" = xyes && test "x$enable_remote_functionality" = xyes; then
enable_s3=yes # back compatibility
fi
unset enable_nczarr_s3
# Note we check for the library after checking for enable_s3
# because for some reason this fails if we unconditionally test for sdk
# and it is not available. Fix someday
S3LIBS=""
if test "x$enable_s3" = xyes ; then
# See if we have the s3 aws library
# Check for the AWS S3 SDK library
AC_LANG_PUSH([C++])
AC_CHECK_LIB([aws-c-common], [aws_string_destroy], [enable_s3_aws=yes],[enable_s3_aws=no])
if test "x$enable_s3_aws" = "xyes" ; then
S3LIBS="-laws-cpp-sdk-core -laws-cpp-sdk-s3"
fi
AC_LANG_POP
else
enable_s3_aws=no
fi
AC_MSG_CHECKING([whether AWS S3 SDK library is available])
AC_MSG_RESULT([$enable_s3_aws])
# Check for enabling forced use of Internal S3 library
AC_MSG_CHECKING([whether internal S3 support should be used])
AC_ARG_ENABLE([s3-internal],
[AS_HELP_STRING([--enable-s3-internal],
[enable internal S3 support])])
test "x$enable_s3_internal" = xyes || enable_s3_internal=no
AC_MSG_RESULT($enable_s3_internal)
if test "x$enable_s3_aws" = xno && test "x$enable_s3_internal" = xno ; then
AC_MSG_WARN([No S3 library available => S3 support disabled])
enable_s3=no
fi
if test "x$enable_s3_aws" = xyes && test "x$enable_s3_internal" = xyes ; then
AC_MSG_WARN([Both aws-sdk-cpp and s3-internal enabled => use s3-internal.])
enable_s3_aws=no
fi
if test "x$enable_s3_internal" = xyes ; then
if test "x$ISOSX" != xyes && test "x$ISMINGW" != xyes && test "x$ISMSVC" != xyes ; then