configure.ac 65.1 KB
Newer Older
1
# This file is part of SWIFT.
2
# Copyright (C) 2012 pedro.gonnet@durham.ac.uk.
3
#               2016 p.w.draper@durham.ac.uk.
4
#
Pedro Gonnet's avatar
Pedro Gonnet committed
5
6
7
8
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
9
#
Pedro Gonnet's avatar
Pedro Gonnet committed
10
11
12
13
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
14
#
Pedro Gonnet's avatar
Pedro Gonnet committed
15
16
17
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

18
# Init the project.
19
AC_INIT([SWIFT],[0.8.1],[https://gitlab.cosma.dur.ac.uk/swift/swiftsim])
20
swift_config_flags="$*"
21

22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
#  We want to stop when given unrecognised options. No subdirs so this is safe.
enable_option_checking=${enable_option_checking:-fatal}
if test -n "$ac_unrecognized_opts"; then
    case $enable_option_checking in
        no)
        ;;
        fatal)
            { $as_echo "$as_me: error: unrecognized options: $ac_unrecognized_opts" >&2
              { (exit 1); exit 1; }; }
        ;;
        *)
            $as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2
        ;;
    esac
fi

38
AC_COPYRIGHT
39
AC_CONFIG_SRCDIR([src/space.c])
40
AC_CONFIG_AUX_DIR([.])
lhausamm's avatar
lhausamm committed
41
AM_INIT_AUTOMAKE([subdir-objects])
Pedro Gonnet's avatar
Pedro Gonnet committed
42

43
# Add local macro collection.
Pedro Gonnet's avatar
Pedro Gonnet committed
44
45
AC_CONFIG_MACRO_DIR([m4])

46
47
48
49
# Stop default CFLAGS from anyone except the environment.
: ${CFLAGS=""}

# Generate header file.
Pedro Gonnet's avatar
Pedro Gonnet committed
50
51
AM_CONFIG_HEADER(config.h)

52
53
# Find and test the compiler.
AX_CHECK_ENABLE_DEBUG
Peter W. Draper's avatar
Peter W. Draper committed
54
AC_PROG_CC
55
56
AM_PROG_CC_C_O

57
# If debug is selected then we also define SWIFT_DEVELOP_MODE to control
Peter W. Draper's avatar
Typo    
Peter W. Draper committed
58
# any developer code options.
59
60
61
62
if test "x$ax_enable_debug" != "xno"; then
   AC_DEFINE([SWIFT_DEVELOP_MODE],1,[Enable developer code options])
fi

63
64
65
# Enable POSIX and platform extension preprocessor macros.
AC_USE_SYSTEM_EXTENSIONS

66
67
68
69
# Check for compiler version and vendor.
AX_COMPILER_VENDOR
AX_COMPILER_VERSION

70
71
72
#  Restrict support.
AC_C_RESTRICT

lhausamm's avatar
lhausamm committed
73
74
75
# logger
AC_ARG_ENABLE([logger],
	[AS_HELP_STRING([--enable-logger],
76
		[enable the particle logger]
lhausamm's avatar
lhausamm committed
77
78
79
80
81
82
83
84
85
	)],
	[with_logger="${enableval}"],
	[with_logger="no"]
)

if test "$with_logger" = "yes"; then
   AC_DEFINE([WITH_LOGGER], 1, [logger enabled])
fi

86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
# Interprocedural optimization support. Needs special handling for linking and
# archiving as well as compilation with Intels, needs to be done before
# libtool is configured (to use correct LD).
AC_ARG_ENABLE([ipo],
   [AS_HELP_STRING([--enable-ipo],
     [Enable interprocedural optimization @<:@no/yes@:>@]
   )],
   [enable_ipo="$enableval"],
   [enable_ipo="no"]
)

if test "$enable_ipo" = "yes"; then
   if test "$ax_cv_c_compiler_vendor" = "intel"; then
      CFLAGS="$CFLAGS -ip -ipo"
      LDFLAGS="$LDFLAGS -ipo"
      : ${AR="xiar"}
      : ${LD="xild"}
      AC_MSG_RESULT([added Intel interprocedural optimization support])
   elif test "$ax_cv_c_compiler_vendor" = "gnu"; then
      CFLAGS="$CFLAGS -flto"
      LDFLAGS="$LDFLAGS -flto"
107
108
109
110
111
      AX_COMPARE_VERSION($ax_cv_c_compiler_version, [ge], [5.0.0],
                          [
      : ${AR="gcc-ar"}
      : ${RANLIB="gcc-ranlib"}
                          ], [:] )
112
113
      AC_MSG_RESULT([added GCC interprocedural optimization support])
   elif test "$ax_cv_c_compiler_vendor" = "clang"; then
Peter W. Draper's avatar
Peter W. Draper committed
114
115
      CFLAGS="$CFLAGS -flto -fuse-ld=gold"
      LDFLAGS="$LDFLAGS -XCClinker -fuse-ld=gold"
116
      : ${AR="llvm-ar"}
Peter W. Draper's avatar
Peter W. Draper committed
117
      : ${LD="ld.gold"}
118
      : ${RANLIB="llvm-ranlib"}
119
120
121
122
123
124
      AC_MSG_RESULT([added LLVM interprocedural optimization support])
   else
      AC_MSG_WARN([Compiler does not support interprocedural optimization])
   fi
fi

125
126
# Check for MPI. Need to do this before characterising the compiler (C99 mode),
# as this changes the compiler.
127
128
129
130
# We should consider using AX_PROG_CC_MPI to replace AC_PROG_CC when compiling
# whole applications. There are issues with mixing compilers when using this
# macro. See
# http://lists.gnu.org/archive/html/autoconf-archive-maintainers/2011-05/msg00004.html.
131
AC_ARG_ENABLE([mpi],
132
    [AS_HELP_STRING([--enable-mpi],
133
      [Compile with functionality for distributed-memory parallelism using MPI @<:@yes/no@:>@]
134
135
136
137
    )],
    [enable_mpi="$enableval"],
    [enable_mpi="yes"]
)
138
good_mpi="yes"
139
140
if test "$enable_mpi" = "yes"; then
    AX_MPI([CC="$MPICC" AC_DEFINE(HAVE_MPI, 1, [Define if you have the MPI library.]) ])
141
    MPI_LIBRARY="Unknown MPI"
142
143
144

    # Various MPI implementations require additional libraries when also using
    # threads. Use mpirun (on PATH) as that seems to be only command with
145
146
147
148
149
150
    # version flag, allow MPIRUN to override for systems that insist on
    # a non-standard name (PRACE).
    : ${MPIRUN='mpirun'}
    if test "$MPIRUN" = "mpirun"; then
       AC_PATH_PROG([MPIRUN],[mpirun],[notfound])
    fi
151
    if test "$MPIRUN" = "notfound"; then
152
153
       # This may not be fatal (some systems do not allow mpirun on
       # development nodes)., so push on.
154
155
156
157
158
159
160
161
162
163
164
165
       AC_MSG_WARN([Cannot find mpirun command on PATH, thread support may not be correct])
    else
       # Special options we know about.
       # Intel: -mt_mpi
       # PLATFORM: -lmtmpi
       # OpenMPI: nothing, but library should be built correctly.
       # Set MPI_THREAD_LIBS and add to linker commands as necessary.
       AC_MSG_CHECKING([MPI threads options])
       version=`$MPIRUN -version 2>&1`
       case "$version" in
         *Intel*MPI*)
            MPI_THREAD_LIBS="-mt_mpi"
166
            MPI_LIBRARY="Intel MPI"
167
168
169
170
            AC_MSG_RESULT([Intel MPI])
         ;;
         *Platform*)
            MPI_THREAD_LIBS="-lmtmpi"
171
            MPI_LIBRARY="PLATFORM MPI"
172
173
174
175
            AC_MSG_RESULT([PLATFORM MPI])
         ;;
         *"Open MPI"*)
            MPI_THREAD_LIBS=""
176
            MPI_LIBRARY="Open MPI"
177
            AC_MSG_RESULT([Open MPI])
178
179
180
181
182
183
184
185
186
            #  OpenMPI should be 1.8.6 or later, if not complain.
            #  Version is last word on first line of -version output.
            revision=`mpirun -version 2>&1 | grep "Open MPI" | awk '{print $NF}'`
            AX_COMPARE_VERSION( $revision, [ge], [1.8.6],,[good_mpi="no"] )
            if test "$good_mpi" = "no"; then
                AC_MSG_WARN([
    Open MPI version should be at least 1.8.6 (is $revision)])
                enable_mpi="yes (but with warning)"
            fi
187
188
189
190
191
192
193
194
         ;;
         *)
            MPI_THREAD_LIBS=""
            AC_MSG_RESULT([unknown])
         ;;
       esac
       AC_SUBST([MPI_THREAD_LIBS])
    fi
195
    AC_DEFINE_UNQUOTED([SWIFT_MPI_LIBRARY], ["$MPI_LIBRARY"], [The MPI library name, if known.])
196
fi
197
AM_CONDITIONAL([HAVEMPI],[test $enable_mpi = "yes"])
198

Peter W. Draper's avatar
Peter W. Draper committed
199
# Indicate that MPIRUN can be modified by an environment variable
200
201
AC_ARG_VAR(MPIRUN, Path to the mpirun command if non-standard)

202
203
204
# Add libtool support (now that CC is defined).
LT_INIT

205
# Need C99 and inline support.
Pedro Gonnet's avatar
Pedro Gonnet committed
206
AC_PROG_CC_C99
Peter W. Draper's avatar
Peter W. Draper committed
207
208
AC_C_INLINE

209
210
211
212
# If debugging try to show inlined functions.
if test "x$enable_debug" = "xyes"; then
   #  Show inlined functions.
   if test "$ax_cv_c_compiler_vendor" = "gnu"; then
213
214
215
216
217
218
      # Would like to use -gdwarf and let the compiler pick a good version
      # but that doesn't always work.
      AX_CHECK_COMPILE_FLAG([-gdwarf -fvar-tracking-assignments],
        [inline_EXTRA_FLAGS="-gdwarf -fvar-tracking-assignments"],
        [inline_EXTRA_FLAGS="-gdwarf-2 -fvar-tracking-assignments"])
      CFLAGS="$CFLAGS $inline_EXTRA_FLAGS"
219
220
221
222
223
   elif test "$ax_cv_c_compiler_vendor" = "intel"; then
      CFLAGS="$CFLAGS -debug inline-debug-info"
   fi
fi

224
225
226
# Check if task debugging is on.
AC_ARG_ENABLE([task-debugging],
   [AS_HELP_STRING([--enable-task-debugging],
227
     [Store extra information for generating task dump files @<:@yes/no@:>@]
228
229
230
231
232
233
234
235
   )],
   [enable_task_debugging="$enableval"],
   [enable_task_debugging="no"]
)
if test "$enable_task_debugging" = "yes"; then
   AC_DEFINE([SWIFT_DEBUG_TASKS],1,[Enable task debugging])
fi

236
237
238
239
240
241
242
243
244
245
# Check if threadpool debugging is on.
AC_ARG_ENABLE([threadpool-debugging],
   [AS_HELP_STRING([--enable-threadpool-debugging],
     [Store threadpool mapper timing information and generate threadpool dump files @<:@yes/no@:>@]
   )],
   [enable_threadpool_debugging="$enableval"],
   [enable_threadpool_debugging="no"]
)
if test "$enable_threadpool_debugging" = "yes"; then
   AC_DEFINE([SWIFT_DEBUG_THREADPOOL],1,[Enable threadpool debugging])
246
   LDFLAGS="$LDFLAGS -rdynamic"
247
248
fi

249
250
251
252
253
254
255
256
257
258
259
260
# Check if the general timers are switched on.
AC_ARG_ENABLE([timers],
   [AS_HELP_STRING([--enable-timers],
     [Activate the basic timers @<:@yes/no@:>@]
   )],
   [enable_timers="$enableval"],
   [enable_timers="no"]
)
if test "$enable_timers" = "yes"; then
   AC_DEFINE([SWIFT_USE_TIMERS],1,[Enable individual timers])
fi

261
262
263
264
265
266
267
268
269
270
271
272
# Check if expensive debugging is on.
AC_ARG_ENABLE([debugging-checks],
   [AS_HELP_STRING([--enable-debugging-checks],
     [Activate expensive consistency checks @<:@yes/no@:>@]
   )],
   [enable_debugging_checks="$enableval"],
   [enable_debugging_checks="no"]
)
if test "$enable_debugging_checks" = "yes"; then
   AC_DEFINE([SWIFT_DEBUG_CHECKS],1,[Enable expensive debugging])
fi

Loic Hausammann's avatar
Loic Hausammann committed
273
274
275
276
277
278
279
280
281
282
283
284
# Check if cell graph is on.
AC_ARG_ENABLE([cell-graph],
   [AS_HELP_STRING([--enable-cell-graph],
     [Activate the cell graph @<:@yes/no@:>@]
   )],
   [enable_cell_graph="$enableval"],
   [enable_cell_graph="no"]
)
if test "$enable_cell_graph" = "yes"; then
   AC_DEFINE([SWIFT_CELL_GRAPH],1,[Enable cell graph])
fi

285
286
287
288
289
290
291
292
293
294
295
296
# Check if using our custom icbrtf is enalbled.
AC_ARG_ENABLE([custom-icbrtf],
   [AS_HELP_STRING([--enable-custom-icbrtf],
     [Use SWIFT's custom icbrtf function instead of the system cbrtf @<:@yes/no@:>@]
   )],
   [enable_custom_icbrtf="$enableval"],
   [enable_custom_icbrtf="no"]
)
if test "$enable_custom_icbrtf" = "yes"; then
   AC_DEFINE([WITH_ICBRTF],1,[Enable custom icbrtf])
fi

297
298
299
300
301
302
303
304
305
306
307
308
# Check whether we want to default to naive cell interactions
AC_ARG_ENABLE([naive-interactions],
   [AS_HELP_STRING([--enable-naive-interactions],
     [Activate use of naive cell interaction functions @<:@yes/no@:>@]
   )],
   [enable_naive_interactions="$enableval"],
   [enable_naive_interactions="no"]
)
if test "$enable_naive_interactions" = "yes"; then
   AC_DEFINE([SWIFT_USE_NAIVE_INTERACTIONS],1,[Enable use of naive cell interaction functions])
fi

309
310
311
312
313
# Check whether we want to default to naive cell interactions (stars)
AC_ARG_ENABLE([naive-interactions-stars],
   [AS_HELP_STRING([--enable-naive-interactions-stars],
     [Activate use of naive cell interaction functions for stars @<:@yes/no@:>@]
   )],
Loic Hausammann's avatar
Loic Hausammann committed
314
315
   [enable_naive_interactions_stars="$enableval"],
   [enable_naive_interactions_stars="no"]
316
)
Loic Hausammann's avatar
Loic Hausammann committed
317
if test "$enable_naive_interactions_stars" = "yes"; then
318
319
320
   AC_DEFINE([SWIFT_USE_NAIVE_INTERACTIONS_STARS],1,[Enable use of naive cell interaction functions for stars])
fi

321
322
323
324
325
326
327
328
329
330
331
332
333
334
# Check if gravity force checks are on for some particles.
AC_ARG_ENABLE([gravity-force-checks],
   [AS_HELP_STRING([--enable-gravity-force-checks],
     [Activate expensive brute-force gravity checks for a fraction 1/N of all particles @<:@N@:>@]
   )],
   [gravity_force_checks="$enableval"],
   [gravity_force_checks="no"]
)
if test "$gravity_force_checks" == "yes"; then
   AC_MSG_ERROR(Need to specify the fraction of particles to check when using --enable-gravity-force-checks!)
elif test "$gravity_force_checks" != "no"; then
   AC_DEFINE_UNQUOTED([SWIFT_GRAVITY_FORCE_CHECKS], [$enableval] ,[Enable gravity brute-force checks])
fi

335
336
337
338
339
340
341
342
343
344
345
346
# Check whether we want to switch on glass making
AC_ARG_ENABLE([glass-making],
   [AS_HELP_STRING([--enable-glass-making],
     [Activate the glass-making procedure by reversing the sign of gravity @<:@yes/no@:>@]
   )],
   [gravity_glass_making="$enableval"],
   [gravity_glass_making="no"]
)
if test "$gravity_glass_making" == "yes"; then
   AC_DEFINE([SWIFT_MAKE_GRAVITY_GLASS], 1, [Make the code run in a way to produce a glass file for gravity/cosmology])
fi

347
348
349
350
351
352
353
354
355
356
357
358
359
360
# Check if we want to zero the gravity forces for all particles below some ID.
AC_ARG_ENABLE([no-gravity-below-id],
   [AS_HELP_STRING([--enable-no-gravity-below-id],
     [Zeros the gravitational acceleration of all particles with an ID smaller than @<:@N@:>@]
   )],
   [no_gravity_below_id="$enableval"],
   [no_gravity_below_id="no"]
)
if test "$no_gravity_below_id" == "yes"; then
   AC_MSG_ERROR(Need to specify the ID below which particles get zero forces when using --enable-no-gravity-below-id!)
elif test "$no_gravity_below_id" != "no"; then
   AC_DEFINE_UNQUOTED([SWIFT_NO_GRAVITY_BELOW_ID], [$enableval] ,[Particles with smaller ID than this will have zero gravity forces])
fi

Josh Borrow's avatar
Josh Borrow committed
361
362
363
# Check whether we have any of the ARM v8.1 tick timers
AX_ASM_ARM_PMCCNTR
AX_ASM_ARM_CNTVCT
364

365
# Define HAVE_POSIX_MEMALIGN if it works.
Pedro Gonnet's avatar
Pedro Gonnet committed
366
367
AX_FUNC_POSIX_MEMALIGN

368
369
# Only optimize if allowed, otherwise assume user will set CFLAGS as
# appropriate.
370
AC_ARG_ENABLE([optimization],
371
   [AS_HELP_STRING([--enable-optimization],
372
     [Enable compile time optimization flags for host @<:@yes/no@:>@]
373
374
375
   )],
   [enable_opt="$enableval"],
   [enable_opt="yes"]
376
377
)

378
379
380
381
382
383
384
385
386
387
388
389
#  Disable vectorisation for known compilers. This switches off optimizations
#  that could be enabled above, so in general should be appended. Slightly odd
#  implementation as want to describe as --disable-vec, but macro is enable
#  (there is no enable action).
AC_ARG_ENABLE([vec],
   [AS_HELP_STRING([--disable-vec],
     [Disable vectorization]
   )],
   [enable_vec="$enableval"],
   [enable_vec="yes"]
)

390
#  Disable hand written vectorisation. Slightly odd implementation as want
391
392
393
394
395
396
397
398
399
# to describe as --disable-hand-vec, but macro is enable (there is no enable action).
AC_ARG_ENABLE([hand-vec],
   [AS_HELP_STRING([--disable-hand-vec],
     [Disable intrinsic vectorization]
   )],
   [enable_hand_vec="$enableval"],
   [enable_hand_vec="yes"]
)

400
401
HAVEVECTORIZATION=0

402
if test "$enable_opt" = "yes" ; then
403
404
405
406
407
408
409
410
411

   # Add code optimisation flags and tuning to host. This is a funny macro
   # that does not like CFLAGS being already set. Work around that as we have
   # at least set it to "", so it is set.
   ac_test_CFLAGS="no"
   old_CFLAGS="$CFLAGS"
   AX_CC_MAXOPT
   ac_test_CFLAGS="yes"
   CFLAGS="$old_CFLAGS $CFLAGS"
412
413
414
415
416
417
418
419
420
421

   # Check SSE & AVX support (some overlap with AX_CC_MAXOPT).
   # Don't use the SIMD_FLAGS result with Intel compilers. The -x<code>
   # value from AX_CC_MAXOPT should be sufficient.
   AX_EXT
   if test "$SIMD_FLAGS" != ""; then
       if test "$ax_cv_c_compiler_vendor" != "intel"; then
           CFLAGS="$CFLAGS $SIMD_FLAGS"
       fi
   fi
422
423
424
425
426
427
428
429
430
431
432
433
434
435

   if test "$enable_vec" = "no"; then
      if test "$ax_cv_c_compiler_vendor" = "intel"; then
      	 CFLAGS="$CFLAGS -no-vec -no-simd"
      	 AC_MSG_RESULT([disabled Intel vectorization])
      elif test "$ax_cv_c_compiler_vendor" = "gnu"; then
      	 CFLAGS="$CFLAGS -fno-tree-vectorize"
      	 AC_MSG_RESULT([disabled GCC vectorization])
      elif test "$ax_cv_c_compiler_vendor" = "clang"; then
         CFLAGS="$CFLAGS -fno-vectorize -fno-slp-vectorize"
         AC_MSG_RESULT([disabled clang vectorization])
      else
         AC_MSG_WARN([Do not know how to disable vectorization for this compiler])
      fi
436
   elif test "$enable_hand_vec" = "yes"; then
James Willis's avatar
James Willis committed
437
      AC_DEFINE([WITH_VECTORIZATION],1,[Enable hand-written vectorization])
438
439
      HAVEVECTORIZATION=1
   fi
440
fi
441
442
AM_CONDITIONAL([HAVEVECTORIZATION],[test -n "$HAVEVECTORIZATION"])

Peter W. Draper's avatar
Peter W. Draper committed
443

444
# Add address sanitizer options to flags, if requested. Only useful for GCC
445
# version 4.8 and later and clang.
446
AC_ARG_ENABLE([sanitizer],
447
   [AS_HELP_STRING([--enable-sanitizer],
448
     [Enable memory error detection using address sanitizer @<:@no/yes@:>@]
449
450
451
   )],
   [enable_san="$enableval"],
   [enable_san="no"]
452
453
)

454
455
456
457
if test "$enable_san" = "yes"; then
   if test "$ax_cv_c_compiler_vendor" = "gnu"; then
      AX_COMPARE_VERSION( $ax_cv_c_compiler_version, [ge], [4.8.0],
                          [enable_san="yes"], [enable_san="no"] )
458
459
460
461
462
463
   elif test "$ax_cv_c_compiler_vendor" = "clang"; then
      AX_COMPARE_VERSION( $ax_cv_c_compiler_version, [ge], [3.2.0],
                          [enable_san="yes"], [enable_san="no"] )
   fi
   if test "$enable_san" = "yes"; then
      CFLAGS="$CFLAGS -fsanitize=address -fno-omit-frame-pointer"
464
      AC_MSG_RESULT([added address sanitizer support])
465
466
   else
      AC_MSG_WARN([Compiler does not support address sanitizer option])
467
468
469
   fi
fi

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
# Add the undefined sanitizer option to flags. Only useful for GCC
# version 4.9 and later and clang to detected undefined code behaviour
# such as integer overflow and memory alignment issues.
AC_ARG_ENABLE([undefined-sanitizer],
   [AS_HELP_STRING([--enable-undefined-sanitizer],
     [Enable detection of code that causes undefined behaviour @<:@no/yes@:>@]
   )],
   [enable_ubsan="$enableval"],
   [enable_ubsan="no"]
)

if test "$enable_ubsan" = "yes"; then
   if test "$ax_cv_c_compiler_vendor" = "gnu"; then
      AX_COMPARE_VERSION( $ax_cv_c_compiler_version, [ge], [4.9.0],
                          [enable_ubsan="yes"], [enable_ubsan="no"] )
   elif test "$ax_cv_c_compiler_vendor" = "clang"; then
      AX_COMPARE_VERSION( $ax_cv_c_compiler_version, [ge], [3.7.0],
                          [enable_ubsan="yes"], [enable_ubsan="no"] )
   fi
   if test "$enable_ubsan" = "yes"; then
      CFLAGS="$CFLAGS -fsanitize=undefined"
      AC_MSG_RESULT([added undefined sanitizer support])
   else
      AC_MSG_WARN([Compiler does not support undefined sanitizer option])
   fi
fi

497
# Autoconf stuff.
Pedro Gonnet's avatar
Pedro Gonnet committed
498
499
500
501
AC_PROG_INSTALL
AC_PROG_MAKE_SET
AC_HEADER_STDC

502
# Check for the libraries we will need.
Pedro Gonnet's avatar
Pedro Gonnet committed
503
504
AC_CHECK_LIB(m,sqrt,,AC_MSG_ERROR(something is wrong with the math library!))

505
506
507
# Check for GSL. We test for this in the standard directories by default,
# and only disable if using --with-gsl=no or --without-gsl. When a value
# is given GSL must be found.
508
have_gsl="no"
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
AC_ARG_WITH([gsl],
    [AS_HELP_STRING([--with-gsl=PATH],
       [root directory where GSL is installed @<:@yes/no@:>@]
    )],
    [with_gsl="$withval"],
    [with_gsl="test"]
)
if test "x$with_gsl" != "xno"; then
   if test "x$with_gsl" != "xyes" -a "x$with_gsl" != "xtest" -a "x$with_gsl" != "x"; then
      GSL_LIBS="-L$with_gsl/lib -lgsl -lgslcblas"
      GSL_INCS="-I$with_gsl/include"
   else
      GSL_LIBS="-lgsl -lgslcblas"
      GSL_INCS=""
   fi
   #  GSL is not specified, so just check if we have it.
   if test "x$with_gsl" = "xtest"; then
Peter W. Draper's avatar
Peter W. Draper committed
526
      AC_CHECK_LIB([gslcblas],[cblas_dgemm],[have_gsl="yes"],[have_gsl="no"],$GSL_LIBS)
527
      if test "x$have_gsl" != "xno"; then
Peter W. Draper's avatar
Peter W. Draper committed
528
         AC_DEFINE([HAVE_LIBGSLCBLAS],1,[The GSL CBLAS library appears to be present.])
529
530
         AC_CHECK_LIB([gsl],[gsl_integration_qag],
            AC_DEFINE([HAVE_LIBGSL],1,[The GSL library appears to be present.]),
Peter W. Draper's avatar
Peter W. Draper committed
531
            [have_gsl="no"],$GSL_LIBS)
532
533
534
535
536
537
538
539
540
541
      fi
   else
      AC_CHECK_LIB([gslcblas],[cblas_dgemm],
         AC_DEFINE([HAVE_LIBGSLCBLAS],1,[The GSL CBLAS library appears to be present.]),
         AC_MSG_ERROR(something is wrong with the GSL CBLAS library!), $GSL_LIBS)
      AC_CHECK_LIB([gsl],[gsl_integration_qag],
         AC_DEFINE([HAVE_LIBGSL],1,[The GSL library appears to be present.]),
         AC_MSG_ERROR(something is wrong with the GSL library!), $GSL_LIBS)
      have_gsl="yes"
   fi
542
543
544
545
   if test "$have_gsl" = "no"; then
      GSL_LIBS=""
      GSL_INCS=""
   fi
Peter W. Draper's avatar
Peter W. Draper committed
546
fi
547
548
549
AC_SUBST([GSL_LIBS])
AC_SUBST([GSL_INCS])
AM_CONDITIONAL([HAVEGSL],[test -n "$GSL_LIBS"])
550

551
# Check for pthreads.
552
AX_PTHREAD([LIBS="$PTHREAD_LIBS $LIBS" CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
553
    CC="$PTHREAD_CC" LDFLAGS="$LDFLAGS $PTHREAD_LIBS $LIBS"],
Pedro Gonnet's avatar
Pedro Gonnet committed
554
555
556
557
    AC_MSG_ERROR([Could not find a working version of
    the pthread library. Make sure you have the library and header files installed
    or use CPPFLAGS and LDFLAGS if the library is installed in a
    non-standard location.]))
558

559
# Check whether POSIX thread barriers are implemented (e.g. OSX does not have them)
560
have_pthread_barrier="no"
561
AC_CHECK_LIB(pthread, pthread_barrier_init,
562
	     have_pthread_barrier="yes",
563
	     AC_MSG_WARN(POSIX implementation does not have barriers. SWIFT will use home-made ones.))
564
565
566
if test "x$have_pthread_barrier" == "xyes"; then
  AC_DEFINE([HAVE_PTHREAD_BARRIERS], [1], [The posix library implements barriers])
fi
567

568
569
570
571
# Check whether POSIX file allocation functions exist (e.g. OSX does not have them)
AC_CHECK_LIB(pthread, posix_fallocate,
	     AC_DEFINE([HAVE_POSIX_FALLOCATE], [1], [The posix library implements file allocation functions.]),
	     AC_MSG_WARN(POSIX implementation does not have file allocation functions.))
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
# Check for METIS.
have_metis="no"
AC_ARG_WITH([metis],
    [AS_HELP_STRING([--with-metis=PATH],
       [root directory where METIS is installed @<:@yes/no@:>@]
    )],
    [with_metis="$withval"],
    [with_metis="no"]
)

METIS_LIBS=""
if test "x$with_metis" != "xno"; then

# Check if we have METIS.
   if test "x$with_metis" != "xyes" -a "x$with_metis" != "x"; then
      METIS_LIBS="-L$with_metis/lib -lmetis"
      METIS_INCS="-I$with_metis/include"
   else
      METIS_LIBS="-lmetis"
      METIS_INCS=""
   fi
   AC_CHECK_LIB([metis],[METIS_PartGraphKway], [have_metis="yes"],
                [have_metis="no"], $METIS_LIBS)
   if test "$have_metis" == "yes"; then
      AC_DEFINE([HAVE_METIS],1,[The METIS library is present.])
   else
      AC_MSG_ERROR("Failed to find a METIS library")
   fi
fi

AC_SUBST([METIS_LIBS])
AC_SUBST([METIS_INCS])
AM_CONDITIONAL([HAVEMETIS],[test -n "$METIS_LIBS"])

# Check for ParMETIS note we can have both as ParMETIS uses METIS.
608
have_parmetis="no"
609
610
611
AC_ARG_WITH([parmetis],
    [AS_HELP_STRING([--with-parmetis=PATH],
       [root directory where ParMETIS is installed @<:@yes/no@:>@]
612
    )],
613
    [with_parmetis="$withval"],
614
615
616
617
    [with_parmetis="no"]
)

if test "x$with_parmetis" != "xno"; then
618
619

# Check if we have ParMETIS.
620
621
622
   if test "x$with_parmetis" != "xyes" -a "x$with_parmetis" != "x"; then
      PARMETIS_LIBS="-L$with_parmetis/lib -lparmetis"
      PARMETIS_INCS="-I$with_parmetis/include"
623
   else
624
625
      PARMETIS_LIBS="-lparmetis"
      PARMETIS_INCS=""
626
   fi
627
628
   AC_CHECK_LIB([parmetis],[ParMETIS_V3_RefineKway], [have_parmetis="yes"],
                [have_parmetis="no"], $PARMETIS_LIBS)
629
630
   if test "$have_parmetis" == "no"; then

631
632
# A build may use an external METIS library, check for that.

633
634
635
      if test "x$with_parmetis" != "xyes" -a "x$with_parmetis" != "x"; then
         PARMETIS_LIBS="-L$with_parmetis/lib -lparmetis -lmetis"
         PARMETIS_INCS="-I$with_parmetis/include"
636
      else
637
638
         PARMETIS_LIBS="-lparmetis -lmetis"
         PARMETIS_INCS=""
639
      fi
640
      AC_CHECK_LIB([parmetis],[ParMETIS_V3_RefineKway], [have_parmetis="yes"],
641
                   [have_parmetis="no"], [$METIS_LIBS $PARMETIS_LIBS])
642
643

   fi
644
645
   if test "$have_parmetis" == "yes"; then
      AC_DEFINE([HAVE_PARMETIS],1,[The ParMETIS library is present.])
646
647
   else
      AC_MSG_ERROR("Failed to find a ParMETIS library")
648
   fi
649
fi
650

651
652
653
AC_SUBST([PARMETIS_LIBS])
AC_SUBST([PARMETIS_INCS])
AM_CONDITIONAL([HAVEPARMETIS],[test -n "$PARMETIS_LIBS"])
654

655
656
657
658
659
660
661
662
# METIS fixed width integer printing can require this, so define. Only needed
# for some non C99 compilers, i.e. C++ pre C++11.
AH_VERBATIM([__STDC_FORMAT_MACROS],
            [/* Needed to get PRIxxx macros from stdint.h when not using C99 */
#ifndef __STDC_FORMAT_MACROS
#define __STDC_FORMAT_MACROS 1
#endif])

663
664
# Check for FFTW. We test for this in the standard directories by default,
# and only disable if using --with-fftw=no or --without-fftw. When a value
665
# is given FFTW must be found.
666
# If FFTW is found, we check whether this is the threaded version.
667
668
669
670
671
672
673
674
675
have_fftw="no"
AC_ARG_WITH([fftw],
    [AS_HELP_STRING([--with-fftw=PATH],
       [root directory where fftw is installed @<:@yes/no@:>@]
    )],
    [with_fftw="$withval"],
    [with_fftw="test"]
)
if test "x$with_fftw" != "xno"; then
676
677

   # Was FFTW's location specifically given?
678
   if test "x$with_fftw" != "xyes" -a "x$with_fftw" != "xtest" -a "x$with_fftw" != "x"; then
679
      FFTW_LIBS="-L$with_fftw/lib -lfftw3"
680
681
      FFTW_INCS="-I$with_fftw/include"
   else
682
      FFTW_LIBS="-lfftw3"
683
684
      FFTW_INCS=""
   fi
685

686
687
688
689
690
691
   #  FFTW is not specified, so just check if we have it.
   if test "x$with_fftw" = "xtest"; then
      AC_CHECK_LIB([fftw3],[fftw_malloc],[have_fftw="yes"],[have_fftw="no"],$FFTW_LIBS)
      if test "x$have_fftw" != "xno"; then
      	 AC_DEFINE([HAVE_FFTW],1,[The FFTW library appears to be present.])
      fi
692
   # FFTW was specified, check that it was a valid location.
693
694
695
696
697
   else
      AC_CHECK_LIB([fftw3],[fftw_malloc],
         AC_DEFINE([HAVE_FFTW],1,[The FFTW library appears to be present.]),
         AC_MSG_ERROR(something is wrong with the FFTW library!), $FFTW_LIBS)
      have_fftw="yes"
698
   fi
699
700

   # FFTW was requested not to be used.
701
702
703
704
   if test "$have_fftw" = "no"; then
      FFTW_LIBS=""
      FFTW_INCS=""
   fi
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

   # Now, check whether we have the threaded version of FFTW
   if test "x$have_fftw" = "xyes"; then

      # Was FFTW's location specifically given?
      if test "x$with_fftw" != "xyes" -a "x$with_fftw" != "xtest" -a "x$with_fftw" != "x"; then
        FFTW_THREADED_LIBS="-L$with_fftw/lib -lfftw3_threads -lfftw3"
        FFTW_THREADED_INCS="-I$with_fftw/include"
      else
        FFTW_THREADED_LIBS="-lfftw3_threads -lfftw3"
        FFTW_THREADED_INCS=""
      fi

      # Verify that the library is threaded
      AC_CHECK_LIB([fftw3],[fftw_init_threads],[have_threaded_fftw="yes"],
		   [have_threaded_fftw="no"], $FFTW_THREADED_LIBS)

      # If found, update things
      if test "x$have_threaded_fftw" = "xyes"; then
         AC_DEFINE([HAVE_THREADED_FFTW],1,[The threaded FFTW library appears to be present.])
         FFTW_LIBS=$FFTW_THREADED_LIBS
         FFTW_INCS=$FFTW_THREADED_INCS
	 have_fftw="yes - threaded"
      fi
   fi
730
fi
Josh Borrow's avatar
Josh Borrow committed
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

AC_ARG_WITH([arm-fftw],
    [AS_HELP_STRING([--with-arm-fftw=PATH],
      [root directory where arm fft library is installed @<:@yes/no@:>@]
    )],
    [with_arm_fftw="$withval"],
    [with_arm_fftw=no]
)
if test "x$with_arm_fftw" != "xno"; then

   # Was FFTW's location specifically given?
   if test "x$with_arm_fftw" != "xyes" -a "x$with_arm_fftw" != "xtest" -a "x$with_arm_fftw" != "x"; then
      FFTW_LIBS="-L$with_arm_fftw/lib -larmpl_lp64"
      FFTW_INCS="-I$with_arm_fftw/include"
   else
      FFTW_LIBS="-larmpl_lp64"
      FFTW_INCS=""
   fi

   #  FFTW is not specified, so just check if we have it.
   if test "x$with_arm_fftw" = "xtest"; then
      AC_CHECK_LIB([armpl_lp64],[fftw_malloc],[have_fftw="yes"],[have_fftw="no"],$FFTW_LIBS)
      if test "x$have_arm_fftw" != "xno"; then
      	 AC_DEFINE([HAVE_FFTW],1,[The FFTW library appears to be present.])
	 have_fftw="yes - ARM"
      fi
   # FFTW was specified, check that it was a valid location.
   else
      AC_CHECK_LIB([armpl_lp64],[fftw_malloc],
         AC_DEFINE([HAVE_FFTW],1,[The FFTW library appears to be present.]),
         AC_MSG_ERROR(something is wrong with the FFTW library!), $FFTW_LIBS)
      have_fftw="yes - ARM"
   fi

   # FFTW was requested not to be used.
   if test "$have_arm_fftw" = "no"; then
      FFTW_LIBS=""
      FFTW_INCS=""
   fi

   # Now, check whether we have the threaded version of FFTW
   if test "x$have_arm_fftw" = "xyes"; then

      # Was FFTW's location specifically given?
      if test "x$with_arm_fftw" != "xyes" -a "x$with_arm_fftw" != "xtest" -a "x$with_arm_fftw" != "x"; then
        FFTW_THREADED_LIBS="-L$with_arm_fftw/lib -larmpl_lp64_threads -larmpl_lp64"
        FFTW_THREADED_INCS="-I$with_arm_fftw/include"
      else
        FFTW_THREADED_LIBS="-larmpl_lp64_threads -larmpl_lp64"
        FFTW_THREADED_INCS=""
      fi

      # Verify that the library is threaded
      AC_CHECK_LIB([armpl_lp64],[fftw_init_threads],[have_threaded_fftw="yes"],
                  [have_threaded_fftw="no"], $FFTW_THREADED_LIBS)

      # If found, update things
      if test "x$have_threaded_fftw" = "xyes"; then
         AC_DEFINE([HAVE_THREADED_FFTW],1,[The threaded FFTW library appears to be present.])
         FFTW_LIBS=$FFTW_THREADED_LIBS
         FFTW_INCS=$FFTW_THREADED_INCS
         have_fftw="yes - ARM - threaded"
      fi
   fi
fi
796
797
798
AC_SUBST([FFTW_LIBS])
AC_SUBST([FFTW_INCS])
AM_CONDITIONAL([HAVEFFTW],[test -n "$FFTW_LIBS"])
799

800
801
802
#  Check for -lprofiler usually part of the gperftools along with tcmalloc.
have_profiler="no"
AC_ARG_WITH([profiler],
803
   [AS_HELP_STRING([--with-profiler=PATH],
804
805
806
807
808
809
810
811
812
813
814
815
      [use cpu profiler library or specify the directory with lib @<:@yes/no@:>@]
   )],
   [with_profiler="$withval"],
   [with_profiler="no"]
)
if test "x$with_profiler" != "xno"; then
   if test "x$with_profiler" != "xyes" -a "x$with_profiler" != "x"; then
      proflibs="-L$with_profiler -lprofiler"
   else
      proflibs="-lprofiler"
   fi
   AC_CHECK_LIB([profiler],[ProfilerFlush],
816
    [have_profiler="yes"
817
818
819
820
821
822
823
824
825
826
827
828
829
830
      AC_DEFINE([WITH_PROFILER],1,[Link against the gperftools profiling library.])],
    [have_profiler="no"], $proflibs)

   if test "$have_profiler" = "yes"; then
      PROFILER_LIBS="$proflibs"
   else
      PROFILER_LIBS=""
   fi
fi
AC_SUBST([PROFILER_LIBS])
AM_CONDITIONAL([HAVEPROFILER],[test -n "$PROFILER_LIBS"])

# Check for special allocators
have_special_allocator="no"
831

832
833
834
#  Check for tcmalloc a fast malloc that is part of the gperftools.
have_tcmalloc="no"
AC_ARG_WITH([tcmalloc],
835
   [AS_HELP_STRING([--with-tcmalloc=PATH],
836
837
838
839
840
      [use tcmalloc library or specify the directory with lib @<:@yes/no@:>@]
   )],
   [with_tcmalloc="$withval"],
   [with_tcmalloc="no"]
)
841
842
843
844
if test "x$with_tcmalloc" != "xno" -a "x$have_special_allocator" != "xno"; then
   AC_MSG_ERROR("Cannot activate more than one alternative malloc library")
fi

845
if test "x$with_tcmalloc" != "xno"; then
Peter W. Draper's avatar
Peter W. Draper committed
846
   if test "x$with_tcmalloc" != "xyes" -a "x$with_tcmalloc" != "x"; then
847
      tclibs="-L$with_tcmalloc -ltcmalloc"
848
   else
849
      tclibs="-ltcmalloc"
850
851
   fi
   AC_CHECK_LIB([tcmalloc],[tc_cfree],[have_tcmalloc="yes"],[have_tcmalloc="no"],
852
                $tclibs)
853
854
855

   #  Could just have the minimal version.
   if test "$have_tcmalloc" = "no"; then
Peter W. Draper's avatar
Peter W. Draper committed
856
      if test "x$with_tcmalloc" != "xyes" -a "x$with_tcmalloc" != "x"; then
857
         tclibs="-L$with_tcmalloc -ltcmalloc_minimal"
858
      else
859
         tclibs="-ltcmalloc_minimal"
860
861
      fi
      AC_CHECK_LIB([tcmalloc],[tc_cfree],[have_tcmalloc="yes"],[have_tcmalloc="no"],
862
                   $tclibs)
863
   fi
Pedro Gonnet's avatar
Pedro Gonnet committed
864

865
866
867
   if test "$have_tcmalloc" = "yes"; then
      TCMALLOC_LIBS="$tclibs"

868
      AC_DEFINE([HAVE_TCMALLOC],1,[The tcmalloc library appears to be present.])
869

870
      have_special_allocator="tcmalloc"
871
872

      # Prevent compilers that replace the calls with built-ins (GNU 99) from doing so.
873
874
875
876
877
878
      case "$ax_cv_c_compiler_vendor" in
        intel | gnu | clang)
             CFLAGS="$CFLAGS -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free"
          ;;
      esac

879
880
   else
      TCMALLOC_LIBS=""
881
882
883
884
885
   fi
fi
AC_SUBST([TCMALLOC_LIBS])
AM_CONDITIONAL([HAVETCMALLOC],[test -n "$TCMALLOC_LIBS"])

Peter W. Draper's avatar
Peter W. Draper committed
886
887
888
#  Check for jemalloc another fast malloc that is good with contention.
have_jemalloc="no"
AC_ARG_WITH([jemalloc],
889
   [AS_HELP_STRING([--with-jemalloc=PATH],
Peter W. Draper's avatar
Peter W. Draper committed
890
891
892
893
894
      [use jemalloc library or specify the directory with lib @<:@yes/no@:>@]
   )],
   [with_jemalloc="$withval"],
   [with_jemalloc="no"]
)
895
896
897
898
if test "x$with_jemalloc" != "xno" -a "x$have_special_allocator" != "xno"; then
   AC_MSG_ERROR("Cannot activate more than one alternative malloc library")
fi

Peter W. Draper's avatar
Peter W. Draper committed
899
900
901
902
903
904
905
906
907
908
909
if test "x$with_jemalloc" != "xno"; then
   if test "x$with_jemalloc" != "xyes" -a "x$with_jemalloc" != "x"; then
      jelibs="-L$with_jemalloc -ljemalloc"
   else
      jelibs="-ljemalloc"
   fi
   AC_CHECK_LIB([jemalloc],[malloc_usable_size],[have_jemalloc="yes"],[have_jemalloc="no"],
                $jelibs)

   if test "$have_jemalloc" = "yes"; then
      JEMALLOC_LIBS="$jelibs"
910

911
      AC_DEFINE([HAVE_JEMALLOC],1,[The jemalloc library appears to be present.])
912

913
      have_special_allocator="jemalloc"
914
915

      # Prevent compilers that replace the regular calls with built-ins (GNU 99) from doing so.
916
917
918
919
920
921
      case "$ax_cv_c_compiler_vendor" in
        intel | gnu | clang)
             CFLAGS="$CFLAGS -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free"
          ;;
      esac

Peter W. Draper's avatar
Peter W. Draper committed
922
923
924
925
926
927
928
   else
      JEMALLOC_LIBS=""
   fi
fi
AC_SUBST([JEMALLOC_LIBS])
AM_CONDITIONAL([HAVEJEMALLOC],[test -n "$JEMALLOC_LIBS"])

929
930
931
#  Check for tbbmalloc, Intel's fast and parallel allocator
have_tbbmalloc="no"
AC_ARG_WITH([tbbmalloc],
932
   [AS_HELP_STRING([--with-tbbmalloc=PATH],
933
934
935
936
937
938
939
      [use tbbmalloc library or specify the directory with lib @<:@yes/no@:>@]
   )],
   [with_tbbmalloc="$withval"],
   [with_tbbmalloc="no"]
)
if test "x$with_tbbmalloc" != "xno" -a "x$have_special_allocator" != "xno"; then
   AC_MSG_ERROR("Cannot activate more than one alternative malloc library")
Peter W. Draper's avatar
Peter W. Draper committed
940
941
fi

942
943
944
945
946
947
948
949
950
951
952
953
if test "x$with_tbbmalloc" != "xno"; then
   if test "x$with_tbbmalloc" != "xyes" -a "x$with_tbbmalloc" != "x"; then
      tbblibs="-L$with_tbbmalloc -ltbbmalloc_proxy -ltbbmalloc"
   else
      tbblibs="-ltbbmalloc_proxy -ltbbmalloc"
   fi
   AC_CHECK_LIB([tbbmalloc],[scalable_malloc],[have_tbbmalloc="yes"],[have_tbbmalloc="no"],
                $tbblibs)

   if test "$have_tbbmalloc" = "yes"; then
      TBBMALLOC_LIBS="$tbblibs"

954
      AC_DEFINE([HAVE_TBBMALLOC],1,[The TBBmalloc library appears to be present.])
955

956
      have_special_allocator="TBBmalloc"
957
958
959
960
961
962
963
964
965
966
967

      # Prevent compilers that replace the calls with built-ins (GNU 99) from doing so.
      case "$ax_cv_c_compiler_vendor" in
        intel | gnu | clang)
             CFLAGS="$CFLAGS -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free"
          ;;
      esac

   else
      TBBMALLOC_LIBS=""
   fi
Peter W. Draper's avatar
Peter W. Draper committed
968
fi
969
970
AC_SUBST([TBBMALLOC_LIBS])
AM_CONDITIONAL([HAVETBBMALLOC],[test -n "$TBBMALLOC_LIBS"])
Peter W. Draper's avatar
Peter W. Draper committed
971

972
# Check for HDF5. This is required.
973
AX_LIB_HDF5
974
975
976
977
if test "$with_hdf5" != "yes"; then
    AC_MSG_ERROR([Could not find a working HDF5 library])
fi

978
979
980
# We want to know if this HDF5 supports MPI and whether we should use it.
# The default is to use MPI support if it is available, i.e. this is
# a parallel HDF5.
981
982
have_parallel_hdf5="no"
if test "$with_hdf5" = "yes"; then
983
984
    AC_ARG_ENABLE([parallel-hdf5],
       [AS_HELP_STRING([--enable-parallel-hdf5],
985
         [Enable parallel HDF5 library MPI functions if available. @<:@yes/no@:>@]
986
987
988
989
990
991
992
       )],
       [enable_parallel_hdf5="$enableval"],
       [enable_parallel_hdf5="yes"]
    )

    if test "$enable_parallel_hdf5" = "yes"; then
        AC_MSG_CHECKING([for HDF5 parallel support])
993
994

	# Check if the library is capable, the header should define H5_HAVE_PARALLEL.
995
996
        old_CPPFLAGS="$CPPFLAGS"
        CPPFLAGS="$CPPFLAGS $HDF5_CPPFLAGS"
997
998
999
1000
1001
1002
        AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
        #include "hdf5.h"
        #ifndef H5_HAVE_PARALLEL
        # error macro not defined
        #endif
        ]])], [parallel="yes"], [parallel="no"])
1003
1004
1005
1006
1007
        if test "$parallel" = "yes"; then
            have_parallel_hdf5="yes"
            AC_DEFINE([HAVE_PARALLEL_HDF5],1,[HDF5 library supports parallel access])
        fi
        AC_MSG_RESULT($parallel)
1008
        CPPFLAGS="$old_CPPFLAGS"
1009
1010
1011
1012
    fi
fi
AM_CONDITIONAL([HAVEPARALLELHDF5],[test "$have_parallel_hdf5" = "yes"])

1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
# Check for grackle.
have_grackle="no"
AC_ARG_WITH([grackle],
    [AS_HELP_STRING([--with-grackle=PATH],
       [root directory where grackle is installed @<:@yes/no@:>@]
    )],
    [with_grackle="$withval"],
    [with_grackle="no"]
)
if test "x$with_grackle" != "xno"; then
   AC_PROG_FC
   AC_FC_LIBRARY_LDFLAGS
   if test "x$with_grackle" != "xyes" -a "x$with_grackle" != "x"; then
      GRACKLE_LIBS="-L$with_grackle/lib -lgrackle"
      GRACKLE_INCS="-I$with_grackle/include"
   else
      GRACKLE_LIBS="-lgrackle"
      GRACKLE_INCS=""
   fi

   have_grackle="yes"

   echo $GRACKLE_LIBS

   AC_CHECK_LIB(
      [grackle],
      [initialize_chemistry_data],
      [AC_DEFINE([HAVE_GRACKLE],1,[The GRACKLE library appears to be present.])
        AC_DEFINE([CONFIG_BFLOAT_8],1,[Use doubles in grackle])
      ],
      [AC_MSG_ERROR(Cannot find grackle library!)],
      [$GRACKLE_LIBS])
fi
AC_SUBST([GRACKLE_LIBS])
AC_SUBST([GRACKLE_INCS])
AM_CONDITIONAL([HAVEGRACKLE],[test -n "$GRACKLE_LIBS"])

1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
# Check for VELOCIraptor.
have_velociraptor="no"
AC_ARG_WITH([velociraptor],
    [AS_HELP_STRING([--with-velociraptor=PATH],
       [Directory where velociraptor library exists @<:@yes/no@:>@]
    )],
    [with_velociraptor="$withval"],
    [with_velociraptor="no"]
)
if test "x$with_velociraptor" != "xno"; then
   AC_PROG_FC
   AC_FC_LIBRARY_LDFLAGS
   if test "x$with_velociraptor" != "xyes" -a "x$with_velociraptor" != "x"; then
1063
      VELOCIRAPTOR_LIBS="-L$with_velociraptor -lvelociraptor -lmpi -lstdc++ -lhdf5_cpp"
1064
1065
1066
1067
1068
1069
1070
1071
      CFLAGS="$CFLAGS -fopenmp"
   else
      VELOCIRAPTOR_LIBS=""
   fi

   have_velociraptor="yes"

   AC_CHECK_LIB(
Loic Hausammann's avatar
Loic Hausammann committed
1072
      [velociraptor],
1073
1074
1075
1076
1077
1078
1079
1080
1081
      [InitVelociraptor],
      [AC_DEFINE([HAVE_VELOCIRAPTOR],1,[The VELOCIraptor library appears to be present.])],
      [AC_MSG_ERROR(Cannot find VELOCIraptor library at $with_velociraptor)],
      [$VELOCIRAPTOR_LIBS $HDF5_LDFLAGS $HDF5_LIBS $GSL_LIBS]
   )
fi
AC_SUBST([VELOCIRAPTOR_LIBS])
AM_CONDITIONAL([HAVEVELOCIRAPTOR],[test -n "$VELOCIRAPTOR_LIBS"])

1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
# Check for dummy VELOCIraptor.
AC_ARG_ENABLE([dummy-velociraptor],
    [AS_HELP_STRING([--enable-dummy-velociraptor],
       [Enable dummy velociraptor compilation @<:@yes/no@:>@]
    )],
    [enable_dummy_velociraptor="$enableval"],
    [enable_dummy_velociraptor="no"]
)

if test "$enable_dummy_velociraptor" = "yes"; then
  have_velociraptor="yes"

  AC_DEFINE(HAVE_VELOCIRAPTOR,1,[The VELOCIraptor library appears to be present.])
  AC_DEFINE(HAVE_DUMMY_VELOCIRAPTOR,1,[The dummy VELOCIraptor library is present.])
fi

1098
1099
1100
1101
# Check for floating-point execeptions
AC_CHECK_FUNC(feenableexcept, AC_DEFINE([HAVE_FE_ENABLE_EXCEPT],[1],
    [Defined if the floating-point exception can be enabled using non-standard GNU functions.]))

1102
# Check for setaffinity.
1103
AC_CHECK_FUNC(pthread_setaffinity_np, AC_DEFINE([HAVE_SETAFFINITY],[1],
Pedro Gonnet's avatar
Pedro Gonnet committed
1104
    [Defined if pthread_setaffinity_np exists.]) )
1105
1106
AM_CONDITIONAL(HAVESETAFFINITY,
    [test "$ac_cv_func_pthread_setaffinity_np" = "yes"])
1107

1108
1109
1110
1111
# If available check for NUMA as well. There is a problem with the headers of
# this library, mainly that they do not pass the strict prototypes check when
# installed outside of the system directories. So we actually do this check
# in two phases. The basic ones first (before strict-prototypes is added to CFLAGS).
1112
have_numa="no"
1113
1114
1115
1116
1117
1118
1119
1120
1121
AC_ARG_WITH([numa],
    [AS_HELP_STRING([--with-numa=PATH],
       [Directory where the NUMA library exists @<:@yes/no@:>@]
    )],
    [with_numa="$withval"],
    [with_numa="yes"]
)
if test "$ac_cv_func_pthread_setaffinity_np" = "yes" -a "x$with_numa" != "xno"; then

1122
1123
1124
1125
1126
1127
1128
    if test "x$with_numa" != "xyes" -a "x$with_numa" != "x"; then
        NUMA_LIBS="-L$with_numa/lib -lnuma"
        NUMA_INCS="-I$with_numa/include"
    else
        NUMA_LIBS="-lnuma"
        NUMA_INCS=""
    fi
Angus Lepper's avatar
Angus Lepper committed
1129

1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
    #  Test for header file.
    old_CPPFLAGS="$CPPFLAGS"
    CPPFLAGS="$CPPFLAGS $NUMA_INCS"
    AC_CHECK_HEADER([numa.h])
    CPPFLAGS="$old_CPPFLAGS"
    if test "$ac_cv_header_numa_h" = "yes"; then

        #  If NUMA location is specified check if we have it.
        if test "x$with_numa" != "xyes" -a "x$with_numa" != "x"; then
            AC_CHECK_LIB([numa],[numa_available],
                AC_DEFINE([HAVE_LIBNUMA],1,[The NUMA library appears to be present.]),
                AC_MSG_ERROR(something is wrong with the NUMA library!), $NUMA_LIBS)
            have_numa="yes"
        else
            AC_CHECK_LIB([numa],[numa_available],[have_numa="yes"],[have_numa="no"],$NUMA_LIBS)
            if test "x$have_numa" != "xno"; then
                AC_DEFINE([HAVE_LIBNUMA],1,[The NUMA library appears to be present.])
            fi
        fi
    fi

    #  We can live without this.
    if test "$have_numa" = "no"; then
       NUMA_LIBS=""
    fi
1155
1156
fi
AC_SUBST([NUMA_LIBS])
1157

Pedro Gonnet's avatar
Pedro Gonnet committed
1158
# Check for Intel and PowerPC intrinsics header optionally used by vector.h.
Josh Borrow's avatar
Josh Borrow committed
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
AC_CHECK_HEADERS([immintrin.h], [], [],
[#ifdef HAVE_IMMINTRIN_H
# include <immintrin.h>
#endif
])
AC_CHECK_HEADERS([altivec.h], [], [],
[#ifdef HAVE_ALTIVEC_H
# include <altivec.h>
#endif
])
1169

1170
# Check for timing functions needed by cycle.h.
Pedro Gonnet's avatar
Pedro Gonnet committed
1171
1172
AC_HEADER_TIME
AC_CHECK_HEADERS([sys/time.h c_asm.h intrinsics.h mach/mach_time.h])
1173
1174
1175
AC_CHECK_TYPE([hrtime_t],[AC_DEFINE(HAVE_HRTIME_T, 1, [Define to 1 if hrtime_t
is defined in <sys/time.h>])],,
[#if HAVE_SYS_TIME_H
Pedro Gonnet's avatar
Pedro Gonnet committed
1176
1177
1178
1179
1180
#include <sys/time.h>
#endif])
AC_CHECK_FUNCS([gethrtime read_real_time time_base_to_time clock_gettime mach_absolute_time])
AC_MSG_CHECKING([for _rtc intrinsic])
rtc_ok=yes
1181
1182
AC_LINK_IFELSE([AC_LANG_PROGRAM(
[[#ifdef HAVE_INTRINSICS_H
Pedro Gonnet's avatar
Pedro Gonnet committed
1183
#include <intrinsics.h>
1184
#endif]],
1185
1186
[[_rtc()]])],
[AC_DEFINE(HAVE__RTC,1,[Define if you have the UNICOS _rtc() intrinsic.])],[rtc_ok=no])
Pedro Gonnet's avatar
Pedro Gonnet committed
1187
1188
AC_MSG_RESULT($rtc_ok)

Josh Borrow's avatar
Josh Borrow committed
1189
# Special timers for the ARM v7 platforms (taken from FFTW-3 to match their cycle.h)
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
AC_ARG_ENABLE(armv7a-cntvct, [AC_HELP_STRING([--enable-armv7a-cntvct],[enable the cycle counter on Armv7a via the CNTVCT register])], have_armv7acntvct=$enableval)
if test "$have_armv7acntvct"x = "yes"x; then
	AC_DEFINE(HAVE_ARMV7A_CNTVCT,1,[Define if you have enabled the CNTVCT cycle counter on ARMv7a])
fi

AC_ARG_ENABLE(armv7a-pmccntr, [AC_HELP_STRING([--enable-armv7a-pmccntr],[enable the cycle counter on Armv7a via the PMCCNTR register])], have_armv7apmccntr=$enableval)
if test "$have_armv7apmccntr"x = "yes"x; then
	AC_DEFINE(HAVE_ARMV7A_PMCCNTR,1,[Define if you have enabled the PMCCNTR cycle counter on ARMv7a])
fi

1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
# Check if we have native exp10 and exp10f functions. If not failback to our
# implementations. On Apple/CLANG we have __exp10, so also check for that
# if the compiler is clang.
AC_CHECK_LIB([m],[exp10], [AC_DEFINE([HAVE_EXP10],1,[The exp10 function is present.])])
AC_CHECK_LIB([m],[exp10f], [AC_DEFINE([HAVE_EXP10F],1,[The exp10f function is present.])])
if test "$ax_cv_c_compiler_vendor" = "clang"; then
      AC_CHECK_LIB([m],[__exp10], [AC_DEFINE([HAVE___EXP10],1,[The __exp10 function is present.])])
      AC_CHECK_LIB([m],[__exp10f], [AC_DEFINE([HAVE___EXP10F],1,[The __exp10f function is present.])])
fi

1210
# Add warning flags by default, if these can be used. Option =error adds
1211
# -Werror to GCC, clang and Intel.  Note do this last as compiler tests may
1212
# become errors, if that's an issue don't use CFLAGS for these, use an AC_SUBST().
1213
1214
AC_ARG_ENABLE([compiler-warnings],
   [AS_HELP_STRING([--enable-compiler-warnings],
1215
     [Enable compile time warning flags, if compiler is known @<:@error/no/yes)@:>@]
1216
1217
   )],
   [enable_warn="$enableval"],
1218
   [enable_warn="error"]
1219
1220
)
if test "$enable_warn" != "no"; then
1221

1222
    # AX_CFLAGS_WARN_ALL does not give good warning flags for the Intel compiler
1223
    # We will do this by hand instead and only default to the macro for unknown compilers
1224
1225
    case "$ax_cv_c_compiler_vendor" in
          gnu | clang)
1226
             CFLAGS="$CFLAGS -Wall -Wextra -Wno-unused-parameter -Wshadow"
1227
          ;;
1228
	  intel)
1229
             CFLAGS="$CFLAGS -w2 -Wunused-variable -Wshadow"
1230
          ;;
1231
1232
1233
	  *)
	     AX_CFLAGS_WARN_ALL
	  ;;
1234
    esac
1235

1236
    # Add a "choke on warning" flag if it exists
1237
    if test "$enable_warn" = "error"; then
1238
       case "$ax_cv_c_compiler_vendor" in
1239
          intel | gnu | clang)
1240
1241
1242
             CFLAGS="$CFLAGS -Werror"
          ;;
       esac
1243
    fi
1244
1245
1246
1247
1248

    # We want strict-prototypes, but this must still work even if warnings
    # are an error.
    AX_CHECK_COMPILE_FLAG([-Wstrict-prototypes],[CFLAGS="$CFLAGS -Wstrict-prototypes"],
                          [CFLAGS="$CFLAGS"],[$CFLAGS],[AC_LANG_SOURCE([int main(void){return 0;}])])
1249
1250
fi

1251
1252
1253
# Second part of the NUMA library checks. We now decide if we need to use
# -isystem to get around the strict-prototypes problem. Assumes isystem
# is available when strict-prototypes is.
1254
1255
1256
1257
1258
if test "$have_numa" != "no"; then
    if test "x$with_numa" != "xyes" -a "x$with_numa" != "x"; then
        case "$CFLAGS" in
            *strict-prototypes*)
                NUMA_INCS="-isystem$with_numa/include"
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
                # This may still fail if CPATH is used, so we check if the
                # headers are usable.
                AS_UNSET(ac_cv_header_numa_h)
                old_CPPFLAGS="$CPPFLAGS"
                CPPFLAGS="$CPPFLAGS $NUMA_INCS"
                numa_failed="no"
                AC_CHECK_HEADER([numa.h],[numa_failed="no"],
                                [numa_failed="yes"])
                if test "$numa_failed" = "yes"; then
                    AC_MSG_ERROR([Failed to compile the numa.h header file: you may need to set --enable-compiler-warnings to yes or no])
                fi
                CPPFLAGS="$old_CPPFLAGS"
1271
1272
1273
1274
1275
            ;;
            *)
                NUMA_INCS="-I$with_numa/include"
            ;;
        esac
1276
1277
1278
1279
   fi
fi
AC_SUBST([NUMA_INCS])

1280
1281
# Various package configuration options.

1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
# Master subgrid options
# If you add a restriction (e.g. no cooling, chemistry or hydro)
# you will need to check for overwrite after reading the additional options.
# As an example for this, see the call to AC_ARG_WITH for cooling.
AC_ARG_WITH([subgrid],
	[AS_HELP_STRING([--with-subgrid=<subgrid>],
		[Master switch for subgrid methods. Inexperienced user should start from here @<:@none, GEAR, EAGLE default: none@:>@]
	)],
	[with_subgrid="$withval"],
	[with_subgrid=none]
)

# Default values
with_subgrid_cooling=none
with_subgrid_chemistry=none
1297
with_subgrid_tracers=none
1298
with_subgrid_entropy_floor=none
1299
with_subgrid_stars=none
1300
with_subgrid_star_formation=none
1301
with_subgrid_feedback=none
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311

case "$with_subgrid" in
   yes)
      AC_MSG_ERROR([Invalid option. A subgrid model must be chosen.])
   ;;
   none)
   ;;
   GEAR)
	with_subgrid_cooling=grackle
	with_subgrid_chemistry=GEAR
1312
	with_subgrid_tracers=none
1313
	with_subgrid_entropy_floor=none
Loic Hausammann's avatar
Loic Hausammann committed
1314
	with_subgrid_stars=GEAR
Loic Hausammann's avatar
Loic Hausammann committed
1315
	with_subgrid_star_formation=GEAR
Loic Hausammann's avatar
Loic Hausammann committed
1316
	with_subgrid_feedback=thermal
1317
1318
1319
1320
   ;;
   EAGLE)
	with_subgrid_cooling=EAGLE
	with_subgrid_chemistry=EAGLE
1321
	with_subgrid_tracers=EAGLE
1322
	with_subgrid_entropy_floor=EAGLE
1323
1324
	with_subgrid_stars=EAGLE
	with_subgrid_star_formation=EAGLE
Loic Hausammann's avatar
Loic Hausammann committed
1325
	with_subgrid_feedback=none
1326
1327
1328
1329
1330
1331
   ;;
   *)
      AC_MSG_ERROR([Unknown subgrid choice: $with_subgrid])
   ;;
esac

1332
1333
1334
1335
1336
1337
1338
1339
# Gravity scheme.
AC_ARG_WITH([gravity],
   [AS_HELP_STRING([--with-gravity=<scheme>],
      [Gravity scheme to use @<:@default, with-potential, default: default@:>@]
   )],
   [with_gravity="$withval"],
   [with_gravity="default"]
)
1340

1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
case "$with_gravity" in
   with-potential)
      AC_DEFINE([POTENTIAL_GRAVITY], [1], [Gravity scheme with potential calculation])
   ;;
   default)
      AC_DEFINE([DEFAULT_GRAVITY], [1], [Default gravity scheme])
   ;;
   *)
      AC_MSG_ERROR([Unknown gravity scheme: $with_gravity])
   ;;
esac
1352

1353
1354
1355
# Hydro scheme.
AC_ARG_WITH([hydro],
   [AS_HELP_STRING([--with-hydro=<scheme>],
Josh Borrow's avatar
Josh Borrow committed
1356
      [Hydro dynamics to use @<:@gadget2, minimal, pressure-entropy, pressure-energy, pressure-energy-monaghan, default, gizmo-mfv, gizmo-mfm, shadowfax, planetary, anarchy-pu debug default: gadget2@:>@]
1357
1358
1359
1360
   )],
   [with_hydro="$withval"],
   [with_hydro="gadget2"]
)
1361

1362
1363
case "$with_hydro" in
   gadget2)
1364
      AC_DEFINE([GADGET2_SPH], [1], [Gadget-2 SPH])
1365
   ;;
1366
1367
   minimal)
      AC_DEFINE([MINIMAL_SPH], [1], [Minimal SPH])
1368
   ;;
1369
   pressure-entropy)
1370
      AC_DEFINE([HOPKINS_PE_SPH], [1], [Pressure-Entropy SPH])
1371
   ;;
1372
1373
1374
   pressure-energy)
      AC_DEFINE([HOPKINS_PU_SPH], [1], [Pressure-Energy SPH])
   ;;
Josh Borrow's avatar
Josh Borrow committed
1375
1376
1377
   pressure-energy-monaghan)
      AC_DEFINE([HOPKINS_PU_SPH_MONAGHAN], [1], [Pressure-Energy SPH with M&M Variable A.V.])
   ;;
1378
1379
   default)
      AC_DEFINE([DEFAULT_SPH], [1], [Default SPH])
1380
   ;;
1381
1382
   gizmo-mfv)
      AC_DEFINE([GIZMO_MFV_SPH], [1], [GIZMO MFV SPH])
1383
   ;;
1384
1385
   gizmo-mfm)
      AC_DEFINE([GIZMO_MFM_SPH], [1], [GIZMO MFM SPH])
1386
   ;;
1387
1388
   shadowfax)
      AC_DEFINE([SHADOWFAX_SPH], [1], [Shadowfax SPH])
1389
   ;;
1390
1391
   planetary)
      AC_DEFINE([PLANETARY_SPH], [1], [Planetary SPH])
1392
   ;;
Josh Borrow's avatar
Josh Borrow committed
1393
1394
1395
   anarchy-pu)
      AC_DEFINE([ANARCHY_PU_SPH], [1], [ANARCHY (PU) SPH])
   ;;
1396

1397

1398
   *)
1399
      AC_MSG_ERROR([Unknown hydrodynamics scheme: $with_hydro])
1400
1401
1402
   ;;
esac

1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
# Check if debugging interactions stars is switched on.
AC_ARG_ENABLE([debug-interactions-stars],
   [AS_HELP_STRING([--enable-debug-interactions-stars],
     [Activate interaction debugging for stars, logging a maximum of @<:@N@:>@ neighbours. Defaults to 256 if no value set.]
   )],
   [enable_debug_interactions_stars="$enableval"],
   [enable_debug_interactions_stars="no"]
)
if test "$enable_debug_interactions_stars" != "no"; then
    AC_DEFINE([DEBUG_INTERACTIONS_STARS],1,[Enable interaction debugging for stars])
    if test "$enable_debug_interactions_stars" == "yes"; then
      AC_DEFINE([MAX_NUM_OF_NEIGHBOURS_STARS],256,[The maximum number of particle neighbours to be logged for stars])
      [enable_debug_interactions_stars="yes (Logging up to 256 neighbours)"]
    else
      AC_DEFINE_UNQUOTED([MAX_NUM_OF_NEIGHBOURS_STARS], [$enableval] ,[The maximum number of particle neighbours to be logged for stars])
      [enable_debug_interactions_stars="yes (Logging up to $enableval neighbours)"]
    fi
fi

1422
1423
1424
# Check if debugging interactions is switched on.
AC_ARG_ENABLE([debug-interactions],
   [AS_HELP_STRING([--enable-debug-interactions],
1425
     [Activate interaction debugging, logging a maximum of @<:@N@:>@ neighbours. Defaults to 256 if no value set.]
1426
1427
1428
1429
   )],
   [enable_debug_interactions="$enableval"],
   [enable_debug_interactions="no"]
)
1430
if test "$enable_debug_interactions" != "no"; then
1431
  if test "$with_hydro" = "gadget2"; then
1432
1433
1434
1435
1436
1437
1438
1439
      AC_DEFINE([DEBUG_INTERACTIONS_SPH],1,[Enable interaction debugging])
    if test "$enable_debug_interactions" == "yes"; then
      AC_DEFINE([MAX_NUM_OF_NEIGHBOURS],256,[The maximum number of particle neighbours to be logged])
      [enable_debug_interactions="yes (Logging up to 256 neighbours)"]
    else
      AC_DEFINE_UNQUOTED([MAX_NUM_OF_NEIGHBOURS], [$enableval] ,[The maximum number of particle neighbours to be logged])
      [enable_debug_interactions="yes (Logging up to $enableval neighbours)"]
    fi
1440
  else
1441
1442
1443
1444
    [enable_debug_interactions="no (only available for gadget2 hydro scheme)"]
  fi
fi

1445

1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
# SPH Kernel function
AC_ARG_WITH([kernel],
   [AS_HELP_STRING([--with-kernel=<kernel>],
      [Kernel function to use @<:@cubic-spline, quartic-spline, quintic-spline, wendland-C2, wendland-C4, wendland-C6 default: cubic-spline@:>@]
   )],
   [with_kernel="$withval"],
   [with_kernel="cubic-spline"]
)
case "$with_kernel" in
   cubic-spline)
      AC_DEFINE([CUBIC_SPLINE_KERNEL], [1], [Cubic spline kernel])
1457
   ;;
1458
1459
   quartic-spline)
      AC_DEFINE([QUARTIC_SPLINE_KERNEL], [1], [Quartic spline kernel])
1460
   ;;
1461
1462
   quintic-spline)
      AC_DEFINE([QUINTIC_SPLINE_KERNEL], [1], [Quintic spline kernel])
1463
   ;;
1464
1465
   wendland-C2)
      AC_DEFINE([WENDLAND_C2_KERNEL], [1], [Wendland-C2 kernel])
1466
   ;;
1467
1468
   wendland-C4)
      AC_DEFINE([WENDLAND_C4_KERNEL], [1], [Wendland-C4 kernel])
1469
   ;;
1470
1471
   wendland-C6)
      AC_DEFINE([WENDLAND_C6_KERNEL], [1], [Wendland-C6 kernel])
1472
   ;;
1473
1474
1475
1476
1477
   *)
      AC_MSG_ERROR([Unknown kernel function: $with_kernel])
   ;;