configure.ac 77.5 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],[0.8.5],[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
66
# C++ in GCC 6 and above has an issue with undefined the min() and max()
# macros. This hack works around that.
AC_DEFINE([_GLIBCXX_INCLUDE_NEXT_C_HEADERS],1,[Hack for min() and max() using g++ 6+])

67
68
69
# Enable POSIX and platform extension preprocessor macros.
AC_USE_SYSTEM_EXTENSIONS

70
71
72
73
# Check for compiler version and vendor.
AX_COMPILER_VENDOR
AX_COMPILER_VERSION

74
75
76
77
78
79
80
# Check whether we have a recent enough GCC
if test "$ax_cv_c_compiler_vendor" = "gnu"; then
   AX_COMPARE_VERSION([$ax_cv_c_compiler_version], [ge], [8.1.0],
		      [gcc_handles_avx512="yes"],
		      [gcc_handles_avx512="no"])
fi

81
82
83
#  Restrict support.
AC_C_RESTRICT

lhausamm's avatar
lhausamm committed
84
85
86
# logger
AC_ARG_ENABLE([logger],
	[AS_HELP_STRING([--enable-logger],
87
		[enable the particle logger]
lhausamm's avatar
lhausamm committed
88
89
90
91
92
93
94
	)],
	[with_logger="${enableval}"],
	[with_logger="no"]
)

if test "$with_logger" = "yes"; then
   AC_DEFINE([WITH_LOGGER], 1, [logger enabled])
95
96
97
98
99
100
   # The logger requires that long long is a 64bit type, let's
   # check that.
   AC_CHECK_SIZEOF([long long int])
   if test "$ac_cv_sizeof_long_long_int" != "8"; then
      AC_MSG_ERROR([The particle logger requires that 'long long int' has size 8 bytes])
   fi
lhausamm's avatar
lhausamm committed
101
fi
102
AM_CONDITIONAL([HAVELOGGER],[test $with_logger = "yes"])
lhausamm's avatar
lhausamm committed
103

104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
# 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"
125
126
127
128
129
      AX_COMPARE_VERSION($ax_cv_c_compiler_version, [ge], [5.0.0],
                          [
      : ${AR="gcc-ar"}
      : ${RANLIB="gcc-ranlib"}
                          ], [:] )
130
131
      AC_MSG_RESULT([added GCC interprocedural optimization support])
   elif test "$ax_cv_c_compiler_vendor" = "clang"; then
Peter W. Draper's avatar
Peter W. Draper committed
132
133
      CFLAGS="$CFLAGS -flto -fuse-ld=gold"
      LDFLAGS="$LDFLAGS -XCClinker -fuse-ld=gold"
134
      : ${AR="llvm-ar"}
Peter W. Draper's avatar
Peter W. Draper committed
135
      : ${LD="ld.gold"}
136
      : ${RANLIB="llvm-ranlib"}
137
138
139
140
141
142
      AC_MSG_RESULT([added LLVM interprocedural optimization support])
   else
      AC_MSG_WARN([Compiler does not support interprocedural optimization])
   fi
fi

143
144
# Check for MPI. Need to do this before characterising the compiler (C99 mode),
# as this changes the compiler.
145
146
147
148
# 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.
149
AC_ARG_ENABLE([mpi],
150
    [AS_HELP_STRING([--enable-mpi],
151
      [Compile with functionality for distributed-memory parallelism using MPI @<:@yes/no@:>@]
152
153
154
155
    )],
    [enable_mpi="$enableval"],
    [enable_mpi="yes"]
)
156
good_mpi="yes"
157
158
if test "$enable_mpi" = "yes"; then
    AX_MPI([CC="$MPICC" AC_DEFINE(HAVE_MPI, 1, [Define if you have the MPI library.]) ])
159
    MPI_LIBRARY="Unknown MPI"
160
161
162

    # Various MPI implementations require additional libraries when also using
    # threads. Use mpirun (on PATH) as that seems to be only command with
163
164
165
166
167
168
    # 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
169
    if test "$MPIRUN" = "notfound"; then
170
171
       # This may not be fatal (some systems do not allow mpirun on
       # development nodes)., so push on.
172
173
174
175
176
177
178
179
180
181
182
183
       AC_MSG_WARN([Cannot find mpirun command on PATH, thread support may not be correct])
    else
       # Special options we know about.
       # Intel: -mt_mpi
       # PLATFORM: -lmtmpi
       # OpenMPI: nothing, but library should be built correctly.
       # Set MPI_THREAD_LIBS and add to linker commands as necessary.
       AC_MSG_CHECKING([MPI threads options])
       version=`$MPIRUN -version 2>&1`
       case "$version" in
         *Intel*MPI*)
            MPI_THREAD_LIBS="-mt_mpi"
184
            MPI_LIBRARY="Intel MPI"
185
186
187
188
            AC_MSG_RESULT([Intel MPI])
         ;;
         *Platform*)
            MPI_THREAD_LIBS="-lmtmpi"
189
            MPI_LIBRARY="PLATFORM MPI"
190
191
192
193
            AC_MSG_RESULT([PLATFORM MPI])
         ;;
         *"Open MPI"*)
            MPI_THREAD_LIBS=""
194
            MPI_LIBRARY="Open MPI"
195
            AC_MSG_RESULT([Open MPI])
196
197
198
199
200
201
202
203
204
            #  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 $revision)])
                enable_mpi="yes (but with warning)"
            fi
205
206
207
208
209
210
211
212
         ;;
         *)
            MPI_THREAD_LIBS=""
            AC_MSG_RESULT([unknown])
         ;;
       esac
       AC_SUBST([MPI_THREAD_LIBS])
    fi
213
    AC_DEFINE_UNQUOTED([SWIFT_MPI_LIBRARY], ["$MPI_LIBRARY"], [The MPI library name, if known.])
214
fi
215
AM_CONDITIONAL([HAVEMPI],[test $enable_mpi = "yes"])
216

Peter W. Draper's avatar
Peter W. Draper committed
217
# Indicate that MPIRUN can be modified by an environment variable
218
219
AC_ARG_VAR(MPIRUN, Path to the mpirun command if non-standard)

220
221
222
# Add libtool support (now that CC is defined).
LT_INIT

223
# Need C99 and inline support.
Pedro Gonnet's avatar
Pedro Gonnet committed
224
AC_PROG_CC_C99
Peter W. Draper's avatar
Peter W. Draper committed
225
226
AC_C_INLINE

227
228
229
230
# 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
231
232
233
234
235
236
      # 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 $inline_EXTRA_FLAGS"
237
238
239
240
241
   elif test "$ax_cv_c_compiler_vendor" = "intel"; then
      CFLAGS="$CFLAGS -debug inline-debug-info"
   fi
fi

242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
# Are we using the regular tasks (with atomics and no task conflicts) or
# are we using the atomic-free task-conflicting (slower) version?
AC_ARG_ENABLE([atomics-within-tasks],
   [AS_HELP_STRING([--disable-atomics-within-tasks],
     [Disable the use of atomic operations within tasks. This creates more task conflicts
      but allows for atomic-free and lock-free code within the tasks. This likely slows down
      the code @<:@yes/no@:>@]
   )],
   [enable_atomics_within_tasks="$enableval"],
   [enable_atomics_within_tasks="yes"]
)
AS_IF([test "x$enable_atomics_within_tasks" != "xno"],
   , # Note: atomics are allowed by default, we define the macro if we don't want them.
   [AC_DEFINE([SWIFT_TASKS_WITHOUT_ATOMICS],1,[Makes SWIFT use atomic-free and lock-free tasks.])
])


259
260
261
# Check if task debugging is on.
AC_ARG_ENABLE([task-debugging],
   [AS_HELP_STRING([--enable-task-debugging],
262
     [Store extra information for generating task dump files @<:@yes/no@:>@]
263
264
265
266
267
268
269
270
   )],
   [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

271
272
273
274
275
276
277
278
279
280
# 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])
281
   LDFLAGS="$LDFLAGS -rdynamic"
282
283
fi

284
285
286
287
288
289
290
291
292
293
294
295
# 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

296
297
298
299
300
301
302
303
304
305
306
307
# 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
308
309
310
311
312
313
314
315
316
317
318
319
# 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

320
321
322
323
324
325
326
327
328
329
330
331
# 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

332
333
334
335
336
337
338
339
340
341
342
343
# 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

344
345
346
347
348
# 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
349
350
   [enable_naive_interactions_stars="$enableval"],
   [enable_naive_interactions_stars="no"]
351
)
Loic Hausammann's avatar
Loic Hausammann committed
352
if test "$enable_naive_interactions_stars" = "yes"; then
353
354
355
   AC_DEFINE([SWIFT_USE_NAIVE_INTERACTIONS_STARS],1,[Enable use of naive cell interaction functions for stars])
fi

356
357
358
359
360
361
362
363
364
365
366
367
368
369
# 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

370
371
372
373
374
375
376
377
378
379
380
381
# 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

382
383
384
385
386
387
388
389
390
391
392
393
394
395
# 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

Loic Hausammann's avatar
Loic Hausammann committed
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
# Check if we want to use boundary particles.
AC_ARG_ENABLE([boundary-particles],
   [AS_HELP_STRING([--enable-boundary-particles],
     [Set all particles with an ID smaller than @<:@N@:>@ as boundary particles (i.e. receive zero gravity + hydro forces).]
   )],
   [boundary_particles="$enableval"],
   [boundary_particles="no"]
)
if test "$boundary_particles" == "yes"; then
   AC_MSG_ERROR(Need to specify the ID below which particles get zero forces when using --enable-boundary-particles!)
elif test "$boundary_particles" != "no"; then
   AC_DEFINE_UNQUOTED([SWIFT_NO_GRAVITY_BELOW_ID], [$enableval] ,[Particles with smaller ID than this will have zero gravity forces])
   AC_DEFINE_UNQUOTED([SWIFT_BOUNDARY_PARTICLES], [$enableval] ,[Particles with smaller ID than this will be considered as boundaries.])
fi

Josh Borrow's avatar
Josh Borrow committed
411
412
413
# Check whether we have any of the ARM v8.1 tick timers
AX_ASM_ARM_PMCCNTR
AX_ASM_ARM_CNTVCT
414

415
416
417
418
419
420
421
422
423
424
425
426
# See if we want memuse reporting.
AC_ARG_ENABLE([memuse-reports],
   [AS_HELP_STRING([--enable-memuse-reports],
     [Output reports about significant memory allocations@<:@yes/no@:>@]
   )],
   [enable_memuse_reports="$enableval"],
   [enable_memuse_reports="no"]
)
if test "$enable_memuse_reports" = "yes"; then
   AC_DEFINE([SWIFT_MEMUSE_REPORTS],1,[Enable memory usage reports])
fi

427
428
429
430
431
432
# The system memory report depends on the presence of /proc/self/statm, i.e.
# a linux OS, check for that.
if test -f "/proc/self/statm"; then
   AC_DEFINE([SWIFT_MEMUSE_STATM],1,[Have /proc/self/statm capability])
fi

433
434
435
436
437
438
439
440
441
442
443
444
# Check if we want to make the dumper thread active.
AC_ARG_ENABLE([dumper],
   [AS_HELP_STRING([--enable-dumper],
     [Dump active tasks and memory use (if configured)@<:@yes/no@:>@]
   )],
   [enable_dumper="$enableval"],
   [enable_dumper="no"]
)
if test "$enable_dumper" = "yes"; then
   AC_DEFINE([SWIFT_DUMPER_THREAD],1,[Enable dumper thread])
fi

445
446
447
448
449
450
451
452
453
454
455
456
# See if we want mpi reporting.
AC_ARG_ENABLE([mpiuse-reports],
   [AS_HELP_STRING([--enable-mpiuse-reports],
     [Output reports about MPI tasks requests@<:@yes/no@:>@]
   )],
   [enable_mpiuse_reports="$enableval"],
   [enable_mpiuse_reports="no"]
)
if test "$enable_mpiuse_reports" = "yes"; then
   AC_DEFINE([SWIFT_MPIUSE_REPORTS],1,[Enable MPI task reports])
fi

457

458
# Define HAVE_POSIX_MEMALIGN if it works.
Pedro Gonnet's avatar
Pedro Gonnet committed
459
460
AX_FUNC_POSIX_MEMALIGN

461
462
# Only optimize if allowed, otherwise assume user will set CFLAGS as
# appropriate.
463
AC_ARG_ENABLE([optimization],
464
   [AS_HELP_STRING([--enable-optimization],
465
     [Enable compile time optimization flags for host @<:@yes/no@:>@]
466
467
468
   )],
   [enable_opt="$enableval"],
   [enable_opt="yes"]
469
470
)

471
472
473
474
475
476
477
478
479
480
481
482
#  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"]
)

483
#  Disable hand written vectorisation. Slightly odd implementation as want
484
485
486
487
488
489
490
491
492
# 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"]
)

493
494
HAVEVECTORIZATION=0

495
if test "$enable_opt" = "yes" ; then
496

497
   # Choose the best flags for this compiler and architecture
498
499
500
   ac_test_CFLAGS="no"
   AX_CC_MAXOPT
   ac_test_CFLAGS="yes"
501

502
503
   # Choose the best flags for the gravity sub-library on this compiler and architecture
   if test "$ax_cv_c_compiler_vendor" = "intel"; then
504
505
506
507
508
509
510
511
      case "$icc_flags" in
      	 *CORE-AVX512*)
            GRAVITY_CFLAGS="$GRAVITY_CFLAGS -qopt-zmm-usage=high"
	    ;;
	 *)
	    AC_MSG_WARN([No additional flags needed for gravity on this platform])
	    ;;
      esac
512
   elif test "$ax_cv_c_compiler_vendor" = "gnu"; then
513
514
515
      if test "$gcc_handles_avx512" = "yes"; then
         case "$ax_gcc_arch" in
	    *skylake-avx512*)
Matthieu Schaller's avatar
Matthieu Schaller committed
516
               GRAVITY_CFLAGS="$GRAVITY_CFLAGS -mprefer-vector-width=512"
517
518
519
520
521
522
523
524
	       ;;
	    *)
	       AC_MSG_WARN([No additional flags needed for gravity on this platform])
	       ;;
         esac
      else
         AC_MSG_WARN([No additional flags needed for gravity on this platform])
      fi
525
526
527
   else
      AC_MSG_WARN([Do not know what best gravity vectorization flags to choose for this compiler])
   fi
528
529
   AC_ARG_VAR([GRAVITY_CFLAGS], [C compiler flags added to the basic CFLAGS to compile
   				 the gravity-related files.])
530

531
532
533
534
535
536
537
538
539
   # 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
540
541
542
543
544
545
546
547
548
549
550
551
552
553

   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="$CFLAGS -fno-vectorize -fno-slp-vectorize"
         AC_MSG_RESULT([disabled clang vectorization])
      else
         AC_MSG_WARN([Do not know how to disable vectorization for this compiler])
      fi
554
   elif test "$enable_hand_vec" = "yes"; then
James Willis's avatar
James Willis committed
555
      AC_DEFINE([WITH_VECTORIZATION],1,[Enable hand-written vectorization])
556
557
      HAVEVECTORIZATION=1
   fi
558
fi
559
560
AM_CONDITIONAL([HAVEVECTORIZATION],[test -n "$HAVEVECTORIZATION"])

Peter W. Draper's avatar
Peter W. Draper committed
561

562
# Add address sanitizer options to flags, if requested. Only useful for GCC
563
# version 4.8 and later and clang.
564
AC_ARG_ENABLE([sanitizer],
565
   [AS_HELP_STRING([--enable-sanitizer],
566
     [Enable memory error detection using address sanitizer @<:@no/yes@:>@]
567
568
569
   )],
   [enable_san="$enableval"],
   [enable_san="no"]
570
571
)

572
573
574
575
if test "$enable_san" = "yes"; then
   if test "$ax_cv_c_compiler_vendor" = "gnu"; then
      AX_COMPARE_VERSION( $ax_cv_c_compiler_version, [ge], [4.8.0],
                          [enable_san="yes"], [enable_san="no"] )
576
577
578
579
580
581
   elif test "$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"
582
      AC_MSG_RESULT([added address sanitizer support])
583
584
   else
      AC_MSG_WARN([Compiler does not support address sanitizer option])
585
586
587
   fi
fi

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
# 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

615
# Autoconf stuff.
Pedro Gonnet's avatar
Pedro Gonnet committed
616
617
618
619
AC_PROG_INSTALL
AC_PROG_MAKE_SET
AC_HEADER_STDC

620
# Check for the libraries we will need.
Pedro Gonnet's avatar
Pedro Gonnet committed
621
622
AC_CHECK_LIB(m,sqrt,,AC_MSG_ERROR(something is wrong with the math library!))

623
624
625
# 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.
626
have_gsl="no"
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
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
644
      AC_CHECK_LIB([gslcblas],[cblas_dgemm],[have_gsl="yes"],[have_gsl="no"],$GSL_LIBS)
645
      if test "x$have_gsl" != "xno"; then
Peter W. Draper's avatar
Peter W. Draper committed
646
         AC_DEFINE([HAVE_LIBGSLCBLAS],1,[The GSL CBLAS library appears to be present.])
647
648
         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
649
            [have_gsl="no"],$GSL_LIBS)
650
651
652
653
654
655
656
657
658
659
      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!), $GSL_LIBS)
      have_gsl="yes"
   fi
660
661
662
663
   if test "$have_gsl" = "no"; then
      GSL_LIBS=""
      GSL_INCS=""
   fi
Peter W. Draper's avatar
Peter W. Draper committed
664
fi
665
666
667
AC_SUBST([GSL_LIBS])
AC_SUBST([GSL_INCS])
AM_CONDITIONAL([HAVEGSL],[test -n "$GSL_LIBS"])
668

669
# Check for pthreads.
670
AX_PTHREAD([LIBS="$PTHREAD_LIBS $LIBS" CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
671
    CC="$PTHREAD_CC" LDFLAGS="$LDFLAGS $PTHREAD_LIBS $LIBS"],
Pedro Gonnet's avatar
Pedro Gonnet committed
672
673
674
675
    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.]))
676

677
# Check whether POSIX thread barriers are implemented (e.g. OSX does not have them)
678
have_pthread_barrier="no"
679
AC_CHECK_LIB(pthread, pthread_barrier_init,
680
	     have_pthread_barrier="yes",
681
	     AC_MSG_WARN(POSIX implementation does not have barriers. SWIFT will use home-made ones.))
682
683
684
if test "x$have_pthread_barrier" == "xyes"; then
  AC_DEFINE([HAVE_PTHREAD_BARRIERS], [1], [The posix library implements barriers])
fi
685

686
687
688
689
# 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.))
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
# 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.
726
have_parmetis="no"
727
728
729
AC_ARG_WITH([parmetis],
    [AS_HELP_STRING([--with-parmetis=PATH],
       [root directory where ParMETIS is installed @<:@yes/no@:>@]
730
    )],
731
    [with_parmetis="$withval"],
732
733
734
735
    [with_parmetis="no"]
)

if test "x$with_parmetis" != "xno"; then
736
737

# Check if we have ParMETIS.
738
739
740
   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"
741
   else
742
743
      PARMETIS_LIBS="-lparmetis"
      PARMETIS_INCS=""
744
   fi
745
746
   AC_CHECK_LIB([parmetis],[ParMETIS_V3_RefineKway], [have_parmetis="yes"],
                [have_parmetis="no"], $PARMETIS_LIBS)
747
748
   if test "$have_parmetis" == "no"; then

749
750
# A build may use an external METIS library, check for that.

751
752
753
      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"
754
      else
755
756
         PARMETIS_LIBS="-lparmetis -lmetis"
         PARMETIS_INCS=""
757
      fi
758
759
      # Note use different function to avoid caching of first check.
      AC_CHECK_LIB([parmetis],[ParMETIS_V3_PartKway], [have_parmetis="yes"],
760
                   [have_parmetis="no"], [$METIS_LIBS $PARMETIS_LIBS])
761
762

   fi
763
764
   if test "$have_parmetis" == "yes"; then
      AC_DEFINE([HAVE_PARMETIS],1,[The ParMETIS library is present.])
765
766
   else
      AC_MSG_ERROR("Failed to find a ParMETIS library")
767
   fi
768
fi
769

770
771
772
AC_SUBST([PARMETIS_LIBS])
AC_SUBST([PARMETIS_INCS])
AM_CONDITIONAL([HAVEPARMETIS],[test -n "$PARMETIS_LIBS"])
773

774
775
776
777
778
779
780
781
# 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])

782
783
# 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
784
# is given FFTW must be found.
785
# If FFTW is found, we check whether this is the threaded version.
786
787
788
789
790
791
792
793
794
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
795
796

   # Was FFTW's location specifically given?
797
   if test "x$with_fftw" != "xyes" -a "x$with_fftw" != "xtest" -a "x$with_fftw" != "x"; then
798
      FFTW_LIBS="-L$with_fftw/lib -lfftw3"
799
800
      FFTW_INCS="-I$with_fftw/include"
   else
801
      FFTW_LIBS="-lfftw3"
802
803
      FFTW_INCS=""
   fi
804

805
806
807
808
809
810
   #  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
811
   # FFTW was specified, check that it was a valid location.
812
813
814
815
816
   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"
817
   fi
818
819

   # FFTW was requested not to be used.
820
821
822
823
   if test "$have_fftw" = "no"; then
      FFTW_LIBS=""
      FFTW_INCS=""
   fi
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

   # 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
849
fi
Josh Borrow's avatar
Josh Borrow committed
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

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=$FFTW_THREADED_INCS
         have_fftw="yes - ARM - threaded"
      fi
   fi
fi
915
916
917
AC_SUBST([FFTW_LIBS])
AC_SUBST([FFTW_INCS])
AM_CONDITIONAL([HAVEFFTW],[test -n "$FFTW_LIBS"])
918

919
920
921
#  Check for -lprofiler usually part of the gperftools along with tcmalloc.
have_profiler="no"
AC_ARG_WITH([profiler],
922
   [AS_HELP_STRING([--with-profiler=PATH],
923
924
925
926
927
928
929
930
931
932
933
934
      [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],
935
    [have_profiler="yes"
936
937
938
939
940
941
942
943
944
945
946
947
948
949
      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"
950

951
952
953
#  Check for tcmalloc a fast malloc that is part of the gperftools.
have_tcmalloc="no"
AC_ARG_WITH([tcmalloc],
954
   [AS_HELP_STRING([--with-tcmalloc=PATH],
955
956
957
958
959
      [use tcmalloc library or specify the directory with lib @<:@yes/no@:>@]
   )],
   [with_tcmalloc="$withval"],
   [with_tcmalloc="no"]
)
960
961
962
963
if test "x$with_tcmalloc" != "xno" -a "x$have_special_allocator" != "xno"; then
   AC_MSG_ERROR("Cannot activate more than one alternative malloc library")
fi

964
if test "x$with_tcmalloc" != "xno"; then
Peter W. Draper's avatar
Peter W. Draper committed
965
   if test "x$with_tcmalloc" != "xyes" -a "x$with_tcmalloc" != "x"; then
966
      tclibs="-L$with_tcmalloc -ltcmalloc"
967
   else
968
      tclibs="-ltcmalloc"
969
970
   fi
   AC_CHECK_LIB([tcmalloc],[tc_cfree],[have_tcmalloc="yes"],[have_tcmalloc="no"],
971
                $tclibs)
972
973
974

   #  Could just have the minimal version.
   if test "$have_tcmalloc" = "no"; then
Peter W. Draper's avatar
Peter W. Draper committed
975
      if test "x$with_tcmalloc" != "xyes" -a "x$with_tcmalloc" != "x"; then
976
         tclibs="-L$with_tcmalloc -ltcmalloc_minimal"
977
      else
978
         tclibs="-ltcmalloc_minimal"
979
980
      fi
      AC_CHECK_LIB([tcmalloc],[tc_cfree],[have_tcmalloc="yes"],[have_tcmalloc="no"],
981
                   $tclibs)
982
   fi
Pedro Gonnet's avatar
Pedro Gonnet committed
983

984
985
986
   if test "$have_tcmalloc" = "yes"; then
      TCMALLOC_LIBS="$tclibs"

987
      AC_DEFINE([HAVE_TCMALLOC],1,[The tcmalloc library appears to be present.])
988

989
      have_special_allocator="tcmalloc"
990
991

      # Prevent compilers that replace the calls with built-ins (GNU 99) from doing so.
992
993
994
995
996
997
      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

998
999
   else
      TCMALLOC_LIBS=""
1000
1001
1002
1003
1004
   fi
fi
AC_SUBST([TCMALLOC_LIBS])
AM_CONDITIONAL([HAVETCMALLOC],[test -n "$TCMALLOC_LIBS"])

Peter W. Draper's avatar
Peter W. Draper committed
1005
1006
1007
#  Check for jemalloc another fast malloc that is good with contention.
have_jemalloc="no"
AC_ARG_WITH([jemalloc],
1008
   [AS_HELP_STRING([--with-jemalloc=PATH],
Peter W. Draper's avatar
Peter W. Draper committed
1009
1010
1011
1012
1013
      [use jemalloc library or specify the directory with lib @<:@yes/no@:>@]
   )],
   [with_jemalloc="$withval"],
   [with_jemalloc="no"]
)
1014
1015
1016
1017
if test "x$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
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
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"
1029

1030
      AC_DEFINE([HAVE_JEMALLOC],1,[The jemalloc library appears to be present.])
1031

1032
      have_special_allocator="jemalloc"
1033
1034

      # Prevent compilers that replace the regular calls with built-ins (GNU 99) from doing so.
1035
1036
1037
1038
1039
1040
      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
1041
1042
1043
1044
1045
1046
1047
   else
      JEMALLOC_LIBS=""
   fi
fi
AC_SUBST([JEMALLOC_LIBS])
AM_CONDITIONAL([HAVEJEMALLOC],[test -n "$JEMALLOC_LIBS"])

1048
1049
1050
#  Check for tbbmalloc, Intel's fast and parallel allocator
have_tbbmalloc="no"
AC_ARG_WITH([tbbmalloc],
1051
   [AS_HELP_STRING([--with-tbbmalloc=PATH],
1052
1053
1054
1055
1056
1057
1058
      [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
1059
1060
fi

1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
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"

1073
      AC_DEFINE([HAVE_TBBMALLOC],1,[The TBBmalloc library appears to be present.])
1074

1075
      have_special_allocator="TBBmalloc"
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086

      # 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
1087
fi
1088
1089
AC_SUBST([TBBMALLOC_LIBS])
AM_CONDITIONAL([HAVETBBMALLOC],[test -n "$TBBMALLOC_LIBS"])
Peter W. Draper's avatar
Peter W. Draper committed
1090

Loic Hausammann's avatar
Loic Hausammann committed
1091
1092
1093
1094
1095
1096
1097
1098
# check for a random seed
AC_ARG_WITH([random-seed],
    [AS_HELP_STRING([--with-random-seed=SHORT INT],
       [Set the random seed.]
    )],
    [with_random_seed="$withval"],
    [with_random_seed="0"]
)
1099
AC_DEFINE_UNQUOTED([SWIFT_RANDOM_SEED_XOR], [$with_random_seed],[Value of the random seed.])
Loic Hausammann's avatar
Loic Hausammann committed
1100

1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
# Check for python.
have_python="no"
AC_ARG_WITH([python],
    [AS_HELP_STRING([--with-python=PATH],
       [root directory where python is installed @<:@yes/no@:>@]
    )],
    [with_python="$withval"],
    [with_python="no"]
)
if test "x$with_python" != "xno"; then
Loic Hausammann's avatar
Loic Hausammann committed
1111
1112
1113
1114
   if test "$with_python" == ""; then
      # use linux default python
      with_python="/usr/"
   fi
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
   AM_PATH_PYTHON([3], [], [AC_MSG_ERROR(python not found)])   
   AC_ARG_VAR([PYTHON_INCS], [Include flags for python, bypassing python-config])
   AC_ARG_VAR([PYTHON_CONFIG], [Path to python-config])
   AS_IF([test -z "$PYTHON_INCS"], [
      AS_IF([test -z "$PYTHON_CONFIG"], [
      	AC_PATH_PROGS([PYTHON_CONFIG],
	          [python$PYTHON_VERSION-config python-config],
                  [no],
                  [`dirname $PYTHON`])
    	AS_IF([test "$PYTHON_CONFIG" = no], [AC_MSG_ERROR([cannot find python-config for $PYTHON.])])
      ])
      AC_MSG_CHECKING([python include flags])
      PYTHON_INCS=`$PYTHON_CONFIG --includes`
      AC_MSG_RESULT([$PYTHON_INCS])
  ])
  have_python="yes"
1131
1132
fi
AC_SUBST([PYTHON_INCS])
1133
AM_CONDITIONAL([HAVEPYTHON],[test -n "$PYTHON_INCS"])
1134
1135


1136
# Check for HDF5. This is required.
1137
AX_LIB_HDF5
1138
1139
1140
1141
if test "$with_hdf5" != "yes"; then
    AC_MSG_ERROR([Could not find a working HDF5 library])
fi

1142
1143
1144
# 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.
1145
1146
have_parallel_hdf5="no"
if test "$with_hdf5" = "yes"; then
1147
1148
    AC_ARG_ENABLE([parallel-hdf5],
       [AS_HELP_STRING([--enable-parallel-hdf5],
1149
         [Enable parallel HDF5 library MPI functions if available. @<:@yes/no@:>@]
1150
1151
1152
1153
1154
1155
1156
       )],
       [enable_parallel_hdf5="$enableval"],
       [enable_parallel_hdf5="yes"]
    )

    if test "$enable_parallel_hdf5" = "yes"; then
        AC_MSG_CHECKING([for HDF5 parallel support])
1157
1158

	# Check if the library is capable, the header should define H5_HAVE_PARALLEL.
1159
1160
        old_CPPFLAGS="$CPPFLAGS"
        CPPFLAGS="$CPPFLAGS $HDF5_CPPFLAGS"
1161
1162
1163
1164
1165
1166
        AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
        #include "hdf5.h"
        #ifndef H5_HAVE_PARALLEL
        # error macro not defined
        #endif
        ]])], [parallel="yes"], [parallel="no"])
1167
1168
1169
1170
1171
        if test "$parallel" = "yes"; then
            have_parallel_hdf5="yes"
            AC_DEFINE([HAVE_PARALLEL_HDF5],1,[HDF5 library supports parallel access])
        fi
        AC_MSG_RESULT($parallel)
1172
        CPPFLAGS="$old_CPPFLAGS"
1173
1174
1175
1176
    fi
fi
AM_CONDITIONAL([HAVEPARALLELHDF5],[test "$have_parallel_hdf5" = "yes"])

1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
# 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"])

1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
# 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
1227
      VELOCIRAPTOR_LIBS="-L$with_velociraptor -lvelociraptor -lmpi -lstdc++ -lhdf5"
1228
1229
1230
1231
1232
1233
1234
1235
      CFLAGS="$CFLAGS -fopenmp"
   else
      VELOCIRAPTOR_LIBS=""
   fi

   have_velociraptor="yes"

   AC_CHECK_LIB(
Loic Hausammann's avatar
Loic Hausammann committed
1236
      [velociraptor],
1237
1238
      [InitVelociraptor],
      [AC_DEFINE([HAVE_VELOCIRAPTOR],1,[The VELOCIraptor library appears to be present.])],
1239
      [AC_MSG_ERROR(Cannot find VELOCIraptor library at $with_velociraptor or incompatible HDF5 library loaded.)],
1240
1241
1242
1243
1244
1245
      [$VELOCIRAPTOR_LIBS $HDF5_LDFLAGS $HDF5_LIBS $GSL_LIBS]
   )
fi
AC_SUBST([VELOCIRAPTOR_LIBS])
AM_CONDITIONAL([HAVEVELOCIRAPTOR],[test -n "$VELOCIRAPTOR_LIBS"])

1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
# Now that we found VELOCIraptor, let's check how it was compiled.
if test "$have_velociraptor" == "yes"; then
    AC_CHECK_LIB(
       [velociraptor],
       [VR_NOMASS],
       [AC_DEFINE([HAVE_VELOCIRAPTOR_WITH_NOMASS],1,[The VELOCIraptor library has been compiled with the NOMASS option. Only useful if running a uniform box.])],
       [AC_MSG_RESULT(VELOCIraptor not compiled to so as to *not* store masses per particle.)],
       [$VELOCIRAPTOR_LIBS $HDF5_LDFLAGS $HDF5_LIBS $GSL_LIBS]
    )
fi

1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
# 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

1273
1274
1275
1276
# 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.]))

1277
# Check for setaffinity.
1278
AC_CHECK_FUNC(pthread_setaffinity_np, AC_DEFINE([HAVE_SETAFFINITY],[1],
Pedro Gonnet's avatar
Pedro Gonnet committed
1279
    [Defined if pthread_setaffinity_np exists.]) )
1280
1281
AM_CONDITIONAL(HAVESETAFFINITY,
    [test "$ac_cv_func_pthread_setaffinity_np" = "yes"])
1282

1283
1284
1285
1286
# 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).
1287
have_numa="no"
1288
1289
1290
1291
1292
1293
1294
1295
1296
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

1297
1298
1299
1300
1301
1302
1303
    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
1304

1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
    #  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
Angus Lepper's avatar
Angus Lepper committed
1325

1326
1327
1328
1329
    #  We can live without this.
    if test "$have_numa" = "no"; then
       NUMA_LIBS=""
    fi
1330
1331
fi
AC_SUBST([NUMA_LIBS])
1332

Pedro Gonnet's avatar
Pedro Gonnet committed
1333
# Check for Intel and PowerPC intrinsics header optionally used by vector.h.
Josh Borrow's avatar
Josh Borrow committed
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
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
])
1344

1345
# Check for timing functions needed by cycle.h.
Pedro Gonnet's avatar
Pedro Gonnet committed
1346
1347
AC_HEADER_TIME
AC_CHECK_HEADERS([sys/time.h c_asm.h intrinsics.h mach/mach_time.h])
1348
1349
1350
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
1351
1352
1353
1354
1355
#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
1356
1357
AC_LINK_IFELSE([AC_LANG_PROGRAM(
[[#ifdef HAVE_INTRINSICS_H
Pedro Gonnet's avatar
Pedro Gonnet committed
1358
#include <intrinsics.h>
1359
#endif]],
1360
1361
[[_rtc()]])],
[AC_DEFINE(HAVE__RTC,1,[Define if you have the UNICOS _rtc() intrinsic.])],[rtc_ok=no])
Pedro Gonnet's avatar
Pedro Gonnet committed
1362
1363
AC_MSG_RESULT($rtc_ok)

Josh Borrow's avatar
Josh Borrow committed
1364
# Special timers for the ARM v7 platforms (taken from FFTW-3 to match their cycle.h)
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
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

1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
# 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

1385
# Add warning flags by default, if these can be used. Option =error adds
1386
# -Werror to GCC, clang and Intel.  Note do this last as compiler tests may
1387
# become errors, if that's an issue don't use CFLAGS for these, use an AC_SUBST().
1388
1389
AC_ARG_ENABLE([compiler-warnings],
   [AS_HELP_STRING([--enable-compiler-warnings],
1390
     [Enable compile time warning flags, if compiler is known @<:@error/no/yes)@:>@]
1391
1392
   )],
   [enable_warn="$enableval"],
1393
   [enable_warn="error"]
1394
1395
)
if test "$enable_warn" != "no"; then
1396

1397
    # AX_CFLAGS_WARN_ALL does not give good warning flags for the Intel compiler
1398
    # We will do this by hand instead and only default to the macro for unknown compilers
1399
1400
    case "$ax_cv_c_compiler_vendor" in
          gnu | clang)
1401
             CFLAGS="$CFLAGS -Wall -Wextra -Wno-unused-parameter -Wshadow"
1402
          ;;
1403
	  intel)
1404
             CFLAGS="$CFLAGS -w2 -Wunused-variable -Wshadow"
1405
          ;;
1406
1407
1408
	  *)
	     AX_CFLAGS_WARN_ALL
	  ;;
1409
    esac
1410

1411
    # Add a "choke on warning" flag if it exists
1412
    if test "$enable_warn" = "error"; then
1413
       case "$ax_cv_c_compiler_vendor" in
1414
          intel | gnu | clang)
1415
1416
1417
             CFLAGS="$CFLAGS -Werror"
          ;;
       esac
1418
    fi
1419
1420
1421
1422
1423

    # 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;}])])
1424
1425
fi

1426
1427
1428
# 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.
1429
1430
1431
1432
1433
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$with_numa/include"
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
                # This may still fail if CPATH is used, so we check if the
                # headers are usable.
                AS_UNSET(ac_cv_header_numa_h)
                old_CPPFLAGS="$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="$old_CPPFLAGS"
1446
1447
1448
1449
1450
            ;;
            *)
                NUMA_INCS="-I$with_numa/include"
            ;;
        esac
1451
1452
1453
1454
   fi
fi
AC_SUBST([NUMA_INCS])

1455
1456
# Various package configuration options.

1457
1458
1459
1460
1461
1462
# 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>],
1463
		[Master switch for subgrid methods. Inexperienced user should start here. Options are: @<:@none, GEAR, QLA, EAGLE default: none@:>@]
1464
1465
1466
1467
1468
1469
1470
1471
	)],
	[with_subgrid="$withval"],
	[with_subgrid=none]
)

# Default values
with_subgrid_cooling=none
with_subgrid_chemistry=none
1472
with_subgrid_tracers=none
1473
with_subgrid_entropy_floor=none
Loic Hausammann's avatar
Loic Hausammann committed
1474
with_subgrid_pressure_floor=none
1475
with_subgrid_stars=none
1476
with_subgrid_star_formation=none
1477
with_subgrid_feedback=none
Loic Hausammann's avatar
Loic Hausammann committed
1478
with_subgrid_task_order=default
1479
1480
1481
1482
1483
1484
1485
1486

case "$with_subgrid" in
   yes)
      AC_MSG_ERROR([Invalid option. A subgrid model must be chosen.])
   ;;
   none)
   ;;
   GEAR)
Loic Hausammann's avatar
Loic Hausammann committed
1487
	with_subgrid_cooling=grackle_0
Loic Hausammann's avatar
Gear    
Loic Hausammann committed
1488
	with_subgrid_chemistry=GEAR_10
Loic Hausammann's avatar
Loic Hausammann committed
1489
	with_subgrid_pressure_floor=GEAR
Loic Hausammann's avatar
Loic Hausammann committed
1490
	with_subgrid_stars=GEAR
Loic Hausammann's avatar
Loic Hausammann committed
1491
	with_subgrid_star_formation=GEAR
Loic Hausammann's avatar
Gear    
Loic Hausammann committed
1492
	with_subgrid_feedback=GEAR
1493
	with_subgrid_black_holes=none
Loic Hausammann's avatar
Loic Hausammann committed
1494
	with_subgrid_task_order=GEAR
1495
	enable_fof=no
1496
   ;;
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
   QLA)
	with_subgrid_cooling=QLA
	with_subgrid_chemistry=QLA
	with_subgrid_tracers=none
	with_subgrid_entropy_floor=QLA
	with_subgrid_stars=none
	with_subgrid_star_formation=QLA
	with_subgrid_feedback=none
	with_subgrid_black_holes=none
	with_subgrid_task_order=default
	enable_fof=no
   ;;
1509
1510
1511
   EAGLE)
	with_subgrid_cooling=EAGLE
	with_subgrid_chemistry=EAGLE
1512
	with_subgrid_tracers=EAGLE
1513
	with_subgrid_entropy_floor=EAGLE
1514
1515
	with_subgrid_stars=EAGLE
	with_subgrid_star_formation=EAGLE
1516
	with_subgrid_feedback=EAGLE
1517
	with_subgrid_black_holes=EAGLE