configure.ac 53.8 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],[0.7.0],[https://gitlab.cosma.dur.ac.uk/swift/swiftsim])
20
swift_config_flags="$*"
21

22
AC_COPYRIGHT
23
AC_CONFIG_SRCDIR([src/space.c])
24
AC_CONFIG_AUX_DIR([.])
lhausamm's avatar
lhausamm committed
25
AM_INIT_AUTOMAKE([subdir-objects])
Pedro Gonnet's avatar
Pedro Gonnet committed
26

27
# Add local macro collection.
Pedro Gonnet's avatar
Pedro Gonnet committed
28
29
AC_CONFIG_MACRO_DIR([m4])

30
31
32
33
# Stop default CFLAGS from anyone except the environment.
: ${CFLAGS=""}

# Generate header file.
Pedro Gonnet's avatar
Pedro Gonnet committed
34
35
AM_CONFIG_HEADER(config.h)

36
37
# Find and test the compiler.
AX_CHECK_ENABLE_DEBUG
Peter W. Draper's avatar
Peter W. Draper committed
38
AC_PROG_CC
39
40
AM_PROG_CC_C_O

41
# If debug is selected then we also define SWIFT_DEVELOP_MODE to control
Peter W. Draper's avatar
Typo    
Peter W. Draper committed
42
# any developer code options.
43
44
45
46
if test "x$ax_enable_debug" != "xno"; then
   AC_DEFINE([SWIFT_DEVELOP_MODE],1,[Enable developer code options])
fi

47
48
49
# Enable POSIX and platform extension preprocessor macros.
AC_USE_SYSTEM_EXTENSIONS

50
51
52
53
# Check for compiler version and vendor.
AX_COMPILER_VENDOR
AX_COMPILER_VERSION

54
55
56
#  Restrict support.
AC_C_RESTRICT

57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
# 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"
      AC_MSG_RESULT([added GCC interprocedural optimization support])
   elif test "$ax_cv_c_compiler_vendor" = "clang"; then
      CFLAGS="$CFLAGS -emit-llvm"
      AC_MSG_RESULT([added LLVM interprocedural optimization support])
   else
      AC_MSG_WARN([Compiler does not support interprocedural optimization])
   fi
fi

87
88
# Check for MPI. Need to do this before characterising the compiler (C99 mode),
# as this changes the compiler.
89
90
91
92
# 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.
93
AC_ARG_ENABLE([mpi],
94
    [AS_HELP_STRING([--enable-mpi],
95
      [Compile with functionality for distributed-memory parallelism using MPI @<:@yes/no@:>@]
96
97
98
99
    )],
    [enable_mpi="$enableval"],
    [enable_mpi="yes"]
)
100
good_mpi="yes"
101
102
if test "$enable_mpi" = "yes"; then
    AX_MPI([CC="$MPICC" AC_DEFINE(HAVE_MPI, 1, [Define if you have the MPI library.]) ])
103
    MPI_LIBRARY="Unknown MPI"
104
105
106

    # Various MPI implementations require additional libraries when also using
    # threads. Use mpirun (on PATH) as that seems to be only command with
107
108
109
110
111
112
    # 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
113
    if test "$MPIRUN" = "notfound"; then
114
115
       # This may not be fatal (some systems do not allow mpirun on
       # development nodes)., so push on.
116
117
118
119
120
121
122
123
124
125
126
127
       AC_MSG_WARN([Cannot find mpirun command on PATH, thread support may not be correct])
    else
       # Special options we know about.
       # Intel: -mt_mpi
       # PLATFORM: -lmtmpi
       # OpenMPI: nothing, but library should be built correctly.
       # Set MPI_THREAD_LIBS and add to linker commands as necessary.
       AC_MSG_CHECKING([MPI threads options])
       version=`$MPIRUN -version 2>&1`
       case "$version" in
         *Intel*MPI*)
            MPI_THREAD_LIBS="-mt_mpi"
128
            MPI_LIBRARY="Intel MPI"
129
130
131
132
            AC_MSG_RESULT([Intel MPI])
         ;;
         *Platform*)
            MPI_THREAD_LIBS="-lmtmpi"
133
            MPI_LIBRARY="PLATFORM MPI"
134
135
136
137
            AC_MSG_RESULT([PLATFORM MPI])
         ;;
         *"Open MPI"*)
            MPI_THREAD_LIBS=""
138
            MPI_LIBRARY="Open MPI"
139
            AC_MSG_RESULT([Open MPI])
140
141
142
143
144
145
146
147
148
            #  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 $revision)])
                enable_mpi="yes (but with warning)"
            fi
149
150
151
152
153
154
155
156
         ;;
         *)
            MPI_THREAD_LIBS=""
            AC_MSG_RESULT([unknown])
         ;;
       esac
       AC_SUBST([MPI_THREAD_LIBS])
    fi
157
    AC_DEFINE_UNQUOTED([SWIFT_MPI_LIBRARY], ["$MPI_LIBRARY"], [The MPI library name, if known.])
158
fi
159
AM_CONDITIONAL([HAVEMPI],[test $enable_mpi = "yes"])
160

Peter W. Draper's avatar
Peter W. Draper committed
161
# Indicate that MPIRUN can be modified by an environment variable
162
163
AC_ARG_VAR(MPIRUN, Path to the mpirun command if non-standard)

164
165
166
# Add libtool support (now that CC is defined).
LT_INIT

167
# Need C99 and inline support.
Pedro Gonnet's avatar
Pedro Gonnet committed
168
AC_PROG_CC_C99
Peter W. Draper's avatar
Peter W. Draper committed
169
170
AC_C_INLINE

171
172
173
174
# 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
175
176
177
178
179
180
      # 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 $inline_EXTRA_FLAGS"
181
182
183
184
185
   elif test "$ax_cv_c_compiler_vendor" = "intel"; then
      CFLAGS="$CFLAGS -debug inline-debug-info"
   fi
fi

186
187
188
189
190
191
192
193
194
195
196
197
# Check if task debugging is on.
AC_ARG_ENABLE([task-debugging],
   [AS_HELP_STRING([--enable-task-debugging],
     [Store task timing information and generate task dump files @<:@yes/no@:>@]
   )],
   [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

198
199
200
201
202
203
204
205
206
207
# 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])
208
   LDFLAGS="$LDFLAGS -rdynamic"
209
210
fi

211
212
213
214
215
216
217
218
219
220
221
222
# 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

223
224
225
226
227
228
229
230
231
232
233
234
# 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

235
236
237
238
239
240
241
242
243
244
245
246
# 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

247
248
249
250
251
252
253
254
255
256
257
258
# 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

259
260
261
262
263
264
265
266
267
268
269
270
271
272
# 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

273
274
275
276
277
278
279
280
281
282
283
284
# 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

285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
# 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


300
# Define HAVE_POSIX_MEMALIGN if it works.
Pedro Gonnet's avatar
Pedro Gonnet committed
301
302
AX_FUNC_POSIX_MEMALIGN

303
304
# Only optimize if allowed, otherwise assume user will set CFLAGS as
# appropriate.
305
AC_ARG_ENABLE([optimization],
306
   [AS_HELP_STRING([--enable-optimization],
307
     [Enable compile time optimization flags for host @<:@yes/no@:>@]
308
309
310
   )],
   [enable_opt="$enableval"],
   [enable_opt="yes"]
311
312
)

313
314
315
316
317
318
319
320
321
322
323
324
#  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"]
)

325
326
327
328
329
330
331
332
333
334
#  Disable hand written vectorisation. Slightly odd implementation as want 
# 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"]
)

335
336
HAVEVECTORIZATION=0

337
if test "$enable_opt" = "yes" ; then
338
339
340
341
342
343
344
345
346

   # 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"
347
348
349
350
351
352
353
354
355
356

   # 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
357
358
359
360
361
362
363
364
365
366
367
368
369
370

   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="$CFLAGS -fno-vectorize -fno-slp-vectorize"
         AC_MSG_RESULT([disabled clang vectorization])
      else
         AC_MSG_WARN([Do not know how to disable vectorization for this compiler])
      fi
371
   elif test "$enable_hand_vec" = "yes"; then
James Willis's avatar
James Willis committed
372
      AC_DEFINE([WITH_VECTORIZATION],1,[Enable hand-written vectorization])
373
374
      HAVEVECTORIZATION=1
   fi
375
fi
376
377
AM_CONDITIONAL([HAVEVECTORIZATION],[test -n "$HAVEVECTORIZATION"])

Peter W. Draper's avatar
Peter W. Draper committed
378

379
# Add address sanitizer options to flags, if requested. Only useful for GCC
380
# version 4.8 and later and clang.
381
AC_ARG_ENABLE([sanitizer],
382
   [AS_HELP_STRING([--enable-sanitizer],
383
     [Enable memory error detection using address sanitizer @<:@no/yes@:>@]
384
385
386
   )],
   [enable_san="$enableval"],
   [enable_san="no"]
387
388
)

389
390
391
392
if test "$enable_san" = "yes"; then
   if test "$ax_cv_c_compiler_vendor" = "gnu"; then
      AX_COMPARE_VERSION( $ax_cv_c_compiler_version, [ge], [4.8.0],
                          [enable_san="yes"], [enable_san="no"] )
393
394
395
396
397
398
   elif test "$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"
399
      AC_MSG_RESULT([added address sanitizer support])
400
401
   else
      AC_MSG_WARN([Compiler does not support address sanitizer option])
402
403
404
   fi
fi

405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
# 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

432
# Autoconf stuff.
Pedro Gonnet's avatar
Pedro Gonnet committed
433
434
435
436
AC_PROG_INSTALL
AC_PROG_MAKE_SET
AC_HEADER_STDC

437
# Check for the libraries we will need.
Pedro Gonnet's avatar
Pedro Gonnet committed
438
439
AC_CHECK_LIB(m,sqrt,,AC_MSG_ERROR(something is wrong with the math library!))

440
441
442
# 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.
443
have_gsl="no"
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
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
461
      AC_CHECK_LIB([gslcblas],[cblas_dgemm],[have_gsl="yes"],[have_gsl="no"],$GSL_LIBS)
462
      if test "x$have_gsl" != "xno"; then
Peter W. Draper's avatar
Peter W. Draper committed
463
         AC_DEFINE([HAVE_LIBGSLCBLAS],1,[The GSL CBLAS library appears to be present.])
464
465
         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
466
            [have_gsl="no"],$GSL_LIBS)
467
468
469
470
471
472
473
474
475
476
      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!), $GSL_LIBS)
      have_gsl="yes"
   fi
477
478
479
480
   if test "$have_gsl" = "no"; then
      GSL_LIBS=""
      GSL_INCS=""
   fi
Peter W. Draper's avatar
Peter W. Draper committed
481
fi
482
483
484
AC_SUBST([GSL_LIBS])
AC_SUBST([GSL_INCS])
AM_CONDITIONAL([HAVEGSL],[test -n "$GSL_LIBS"])
485

486
# Check for pthreads.
487
AX_PTHREAD([LIBS="$PTHREAD_LIBS $LIBS" CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
488
    CC="$PTHREAD_CC" LDFLAGS="$LDFLAGS $PTHREAD_LIBS $LIBS"],
Pedro Gonnet's avatar
Pedro Gonnet committed
489
490
491
492
    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.]))
493

494
# Check whether POSIX thread barriers are implemented (e.g. OSX does not have them)
495
have_pthread_barrier="no"
496
AC_CHECK_LIB(pthread, pthread_barrier_init,
497
	     have_pthread_barrier="yes",
498
	     AC_MSG_WARN(POSIX implementation does not have barriers. SWIFT will use home-made ones.))
499
500
501
if test "x$have_pthread_barrier" == "xyes"; then
  AC_DEFINE([HAVE_PTHREAD_BARRIERS], [1], [The posix library implements barriers])
fi
502

503
504
505
506
# 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.))
507

508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
# 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.
543
have_parmetis="no"
544
545
546
AC_ARG_WITH([parmetis],
    [AS_HELP_STRING([--with-parmetis=PATH],
       [root directory where ParMETIS is installed @<:@yes/no@:>@]
547
    )],
548
    [with_parmetis="$withval"],
549
550
551
552
    [with_parmetis="no"]
)

if test "x$with_parmetis" != "xno"; then
553
554

# Check if we have ParMETIS.
555
556
557
   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"
558
   else
559
560
      PARMETIS_LIBS="-lparmetis"
      PARMETIS_INCS=""
561
   fi
562
563
   AC_CHECK_LIB([parmetis],[ParMETIS_V3_RefineKway], [have_parmetis="yes"],
                [have_parmetis="no"], $PARMETIS_LIBS)
564
565
   if test "$have_parmetis" == "no"; then

566
567
# A build may use an external METIS library, check for that.

568
569
570
      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"
571
      else
572
573
         PARMETIS_LIBS="-lparmetis -lmetis"
         PARMETIS_INCS=""
574
      fi
575
      AC_CHECK_LIB([parmetis],[ParMETIS_V3_RefineKway], [have_parmetis="yes"],
576
                   [have_parmetis="no"], [$METIS_LIBS $PARMETIS_LIBS])
577
578

   fi
579
580
   if test "$have_parmetis" == "yes"; then
      AC_DEFINE([HAVE_PARMETIS],1,[The ParMETIS library is present.])
581
582
   else
      AC_MSG_ERROR("Failed to find a ParMETIS library")
583
   fi
584
fi
585

586
587
588
AC_SUBST([PARMETIS_LIBS])
AC_SUBST([PARMETIS_INCS])
AM_CONDITIONAL([HAVEPARMETIS],[test -n "$PARMETIS_LIBS"])
589

590
591
592
593
594
595
596
597
# 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])

598
599
# 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
600
# is given FFTW must be found.
601
# If FFTW is found, we check whether this is the threaded version.
602
603
604
605
606
607
608
609
610
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
611
612

   # Was FFTW's location specifically given?
613
   if test "x$with_fftw" != "xyes" -a "x$with_fftw" != "xtest" -a "x$with_fftw" != "x"; then
614
      FFTW_LIBS="-L$with_fftw/lib -lfftw3"
615
616
      FFTW_INCS="-I$with_fftw/include"
   else
617
      FFTW_LIBS="-lfftw3"
618
619
      FFTW_INCS=""
   fi
620

621
622
623
624
625
626
   #  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
627
   # FFTW was specified, check that it was a valid location.
628
629
630
631
632
   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"
633
   fi
634
635

   # FFTW was requested not to be used.
636
637
638
639
   if test "$have_fftw" = "no"; then
      FFTW_LIBS=""
      FFTW_INCS=""
   fi
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664

   # 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=$FFTW_THREADED_INCS
	 have_fftw="yes - threaded"
      fi
   fi
665
666
667
668
fi
AC_SUBST([FFTW_LIBS])
AC_SUBST([FFTW_INCS])
AM_CONDITIONAL([HAVEFFTW],[test -n "$FFTW_LIBS"])
669

670
671
672
#  Check for -lprofiler usually part of the gperftools along with tcmalloc.
have_profiler="no"
AC_ARG_WITH([profiler],
673
   [AS_HELP_STRING([--with-profiler=PATH],
674
675
676
677
678
679
680
681
682
683
684
685
      [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],
686
    [have_profiler="yes"
687
688
689
690
691
692
693
694
695
696
697
698
699
700
      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"
701

702
703
704
#  Check for tcmalloc a fast malloc that is part of the gperftools.
have_tcmalloc="no"
AC_ARG_WITH([tcmalloc],
705
   [AS_HELP_STRING([--with-tcmalloc=PATH],
706
707
708
709
710
      [use tcmalloc library or specify the directory with lib @<:@yes/no@:>@]
   )],
   [with_tcmalloc="$withval"],
   [with_tcmalloc="no"]
)
711
712
713
714
if test "x$with_tcmalloc" != "xno" -a "x$have_special_allocator" != "xno"; then
   AC_MSG_ERROR("Cannot activate more than one alternative malloc library")
fi

715
if test "x$with_tcmalloc" != "xno"; then
Peter W. Draper's avatar
Peter W. Draper committed
716
   if test "x$with_tcmalloc" != "xyes" -a "x$with_tcmalloc" != "x"; then
717
      tclibs="-L$with_tcmalloc -ltcmalloc"
718
   else
719
      tclibs="-ltcmalloc"
720
721
   fi
   AC_CHECK_LIB([tcmalloc],[tc_cfree],[have_tcmalloc="yes"],[have_tcmalloc="no"],
722
                $tclibs)
723
724
725

   #  Could just have the minimal version.
   if test "$have_tcmalloc" = "no"; then
Peter W. Draper's avatar
Peter W. Draper committed
726
      if test "x$with_tcmalloc" != "xyes" -a "x$with_tcmalloc" != "x"; then
727
         tclibs="-L$with_tcmalloc -ltcmalloc_minimal"
728
      else
729
         tclibs="-ltcmalloc_minimal"
730
731
      fi
      AC_CHECK_LIB([tcmalloc],[tc_cfree],[have_tcmalloc="yes"],[have_tcmalloc="no"],
732
                   $tclibs)
733
   fi
Pedro Gonnet's avatar
Pedro Gonnet committed
734

735
736
737
   if test "$have_tcmalloc" = "yes"; then
      TCMALLOC_LIBS="$tclibs"

738
      AC_DEFINE([HAVE_TCMALLOC],1,[The tcmalloc library appears to be present.])
739

740
      have_special_allocator="tcmalloc"
741
742

      # Prevent compilers that replace the calls with built-ins (GNU 99) from doing so.
743
744
745
746
747
748
      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

749
750
   else
      TCMALLOC_LIBS=""
751
752
753
754
755
   fi
fi
AC_SUBST([TCMALLOC_LIBS])
AM_CONDITIONAL([HAVETCMALLOC],[test -n "$TCMALLOC_LIBS"])

Peter W. Draper's avatar
Peter W. Draper committed
756
757
758
#  Check for jemalloc another fast malloc that is good with contention.
have_jemalloc="no"
AC_ARG_WITH([jemalloc],
759
   [AS_HELP_STRING([--with-jemalloc=PATH],
Peter W. Draper's avatar
Peter W. Draper committed
760
761
762
763
764
      [use jemalloc library or specify the directory with lib @<:@yes/no@:>@]
   )],
   [with_jemalloc="$withval"],
   [with_jemalloc="no"]
)
765
766
767
768
if test "x$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
769
770
771
772
773
774
775
776
777
778
779
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"
780

781
      AC_DEFINE([HAVE_JEMALLOC],1,[The jemalloc library appears to be present.])
782

783
      have_special_allocator="jemalloc"
784
785

      # Prevent compilers that replace the regular calls with built-ins (GNU 99) from doing so.
786
787
788
789
790
791
      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
792
793
794
795
796
797
798
   else
      JEMALLOC_LIBS=""
   fi
fi
AC_SUBST([JEMALLOC_LIBS])
AM_CONDITIONAL([HAVEJEMALLOC],[test -n "$JEMALLOC_LIBS"])

799
800
801
#  Check for tbbmalloc, Intel's fast and parallel allocator
have_tbbmalloc="no"
AC_ARG_WITH([tbbmalloc],
802
   [AS_HELP_STRING([--with-tbbmalloc=PATH],
803
804
805
806
807
808
809
      [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
810
811
fi

812
813
814
815
816
817
818
819
820
821
822
823
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"

824
      AC_DEFINE([HAVE_TBBMALLOC],1,[The TBBmalloc library appears to be present.])
825

826
      have_special_allocator="TBBmalloc"
827
828
829
830
831
832
833
834
835
836
837

      # 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
838
fi
839
840
AC_SUBST([TBBMALLOC_LIBS])
AM_CONDITIONAL([HAVETBBMALLOC],[test -n "$TBBMALLOC_LIBS"])
Peter W. Draper's avatar
Peter W. Draper committed
841

842
# Check for HDF5. This is required.
843
AX_LIB_HDF5
844
845
846
847
if test "$with_hdf5" != "yes"; then
    AC_MSG_ERROR([Could not find a working HDF5 library])
fi

848
849
850
# 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.
851
852
have_parallel_hdf5="no"
if test "$with_hdf5" = "yes"; then
853
854
    AC_ARG_ENABLE([parallel-hdf5],
       [AS_HELP_STRING([--enable-parallel-hdf5],
855
         [Enable parallel HDF5 library MPI functions if available. @<:@yes/no@:>@]
856
857
858
859
860
861
862
       )],
       [enable_parallel_hdf5="$enableval"],
       [enable_parallel_hdf5="yes"]
    )

    if test "$enable_parallel_hdf5" = "yes"; then
        AC_MSG_CHECKING([for HDF5 parallel support])
863
864

	# Check if the library is capable, the header should define H5_HAVE_PARALLEL.
865
866
867
868
869
870
871

        AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
        #include "hdf5.h"
        #ifndef H5_HAVE_PARALLEL
        # error macro not defined
        #endif
        ]])], [parallel="yes"], [parallel="no"])
872
873
874
875
876
        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)
877
878
879
880
    fi
fi
AM_CONDITIONAL([HAVEPARALLELHDF5],[test "$have_parallel_hdf5" = "yes"])

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
# 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
      VELOCIRAPTOR_LIBS="-L$with_velociraptor -lstf -lstdc++ -lhdf5_cpp"
      CFLAGS="$CFLAGS -fopenmp"
   else
      VELOCIRAPTOR_LIBS=""
   fi

   have_velociraptor="yes"

   AC_CHECK_LIB(
      [stf],
      [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"])

913
914
915
916
# 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.]))

917
# Check for setaffinity.
918
AC_CHECK_FUNC(pthread_setaffinity_np, AC_DEFINE([HAVE_SETAFFINITY],[1],
Pedro Gonnet's avatar
Pedro Gonnet committed
919
    [Defined if pthread_setaffinity_np exists.]) )
920
921
AM_CONDITIONAL(HAVESETAFFINITY,
    [test "$ac_cv_func_pthread_setaffinity_np" = "yes"])
922

923
have_numa="no"
924
925
926
927
928
if test "$ac_cv_func_pthread_setaffinity_np" = "yes"; then
  # Check for libnuma.
  AC_CHECK_HEADER([numa.h])
  if test "$ac_cv_header_numa_h" = "yes"; then
    AC_CHECK_LIB([numa], [numa_available])
929
    have_numa="yes"
930
931
  fi
fi
Angus Lepper's avatar
Angus Lepper committed
932

933

Pedro Gonnet's avatar
Pedro Gonnet committed
934
# Check for Intel and PowerPC intrinsics header optionally used by vector.h.
935
AC_CHECK_HEADERS([immintrin.h])
Pedro Gonnet's avatar
Pedro Gonnet committed
936
AC_CHECK_HEADERS([altivec.h])
937

938
# Check for timing functions needed by cycle.h.
Pedro Gonnet's avatar
Pedro Gonnet committed
939
940
AC_HEADER_TIME
AC_CHECK_HEADERS([sys/time.h c_asm.h intrinsics.h mach/mach_time.h])
941
942
943
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
944
945
946
947
948
#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
949
950
AC_LINK_IFELSE([AC_LANG_PROGRAM(
[[#ifdef HAVE_INTRINSICS_H
Pedro Gonnet's avatar
Pedro Gonnet committed
951
#include <intrinsics.h>
952
#endif]],
953
954
[[_rtc()]])],
[AC_DEFINE(HAVE__RTC,1,[Define if you have the UNICOS _rtc() intrinsic.])],[rtc_ok=no])
Pedro Gonnet's avatar
Pedro Gonnet committed
955
956
AC_MSG_RESULT($rtc_ok)

957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
# Special timers for the ARM v7 and ARM v8 platforms (taken from FFTW-3 to match their cycle.h)
AC_ARG_ENABLE(armv8-pmccntr-el0, [AC_HELP_STRING([--enable-armv8-pmccntr-el0],[enable the cycle counter on ARMv8 via the PMCCNTR_EL0 register])], have_armv8pmccntrel0=$enableval)
if test "$have_armv8pmccntrel0"x = "yes"x; then
	AC_DEFINE(HAVE_ARMV8_PMCCNTR_EL0,1,[Define if you have enabled the PMCCNTR_EL0 cycle counter on ARMv8])
fi

AC_ARG_ENABLE(armv8-cntvct-el0, [AC_HELP_STRING([--enable-armv8-cntvct-el0],[enable the cycle counter on ARMv8 via the CNTVCT_EL0 register])], have_armv8cntvctel0=$enableval)
if test "$have_armv8cntvctel0"x = "yes"x; then
	AC_DEFINE(HAVE_ARMV8_CNTVCT_EL0,1,[Define if you have enabled the CNTVCT_EL0 cycle counter on ARMv8])
fi

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

978
# Add warning flags by default, if these can be used. Option =error adds
979
# -Werror to GCC, clang and Intel.  Note do this last as compiler tests may
980
# become errors, if that's an issue don't use CFLAGS for these, use an AC_SUBST().
981
982
AC_ARG_ENABLE([compiler-warnings],
   [AS_HELP_STRING([--enable-compiler-warnings],
983
     [Enable compile time warning flags, if compiler is known @<:@error/no/yes)@:>@]
984
985
   )],
   [enable_warn="$enableval"],
986
   [enable_warn="error"]
987
988
)
if test "$enable_warn" != "no"; then
989

990
    # AX_CFLAGS_WARN_ALL does not give good warning flags for the Intel compiler
991
    # We will do this by hand instead and only default to the macro for unknown compilers
992
993
    case "$ax_cv_c_compiler_vendor" in
          gnu | clang)
994
             CFLAGS="$CFLAGS -Wall -Wextra -Wno-unused-parameter -Wshadow"
995
          ;;
996
	  intel)
997
             CFLAGS="$CFLAGS -w2 -Wunused-variable -Wshadow"
998
          ;;
999
1000
1001
	  *)
	     AX_CFLAGS_WARN_ALL
	  ;;
1002
    esac
1003

1004
    # Add a "choke on warning" flag if it exists
1005
    if test "$enable_warn" = "error"; then
1006
       case "$ax_cv_c_compiler_vendor" in
1007
          intel | gnu | clang)
1008
1009
1010
             CFLAGS="$CFLAGS -Werror"
          ;;
       esac
1011
    fi
1012
1013
1014
1015
1016

    # 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;}])])
1017
1018
fi

1019
1020
# Various package configuration options.

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
# 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
with_subgrid_hydro=none

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
	with_subgrid_hydro=gadget2
Loic Hausammann's avatar
Loic Hausammann committed
1048
1049
	with_subgrid_stars=GEAR
	with_subgrid_feedback=thermal
1050
1051
1052
1053
1054
   ;;
   EAGLE)
	with_subgrid_cooling=EAGLE
	with_subgrid_chemistry=EAGLE
	with_subgrid_hydro=gadget2
Loic Hausammann's avatar
Loic Hausammann committed
1055
1056
	with_subgrid_stars=none
	with_subgrid_feedback=none
1057
1058
1059
1060
1061
1062
   ;;
   *)
      AC_MSG_ERROR([Unknown subgrid choice: $with_subgrid])
   ;;
esac

1063
1064
1065
1066
1067
1068
1069
1070
# 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"]
)
1071

1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
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
1083

1084
1085
1086
# Hydro scheme.
AC_ARG_WITH([hydro],
   [AS_HELP_STRING([--with-hydro=<scheme>],
1087
      [Hydro dynamics to use @<:@gadget2, minimal, pressure-entropy, pressure-energy, default, gizmo-mfv, gizmo-mfm, shadowfax, planetary, debug default: gadget2@:>@]
1088
1089
1090
1091
   )],
   [with_hydro="$withval"],
   [with_hydro="gadget2"]
)
1092
1093
1094
1095
1096
1097
1098
1099
1100

if test "$with_subgrid" != "none"; then
   if test "$with_hydro" != "gadget2"; then
      AC_MSG_ERROR([Cannot provide with-subgrid and with-hydro together])
   else
      with_hydro="$with_subgrid_hydro"
   fi
fi

1101
1102
case "$with_hydro" in
   gadget2)
1103
      AC_DEFINE([GADGET2_SPH], [1], [Gadget-2 SPH])
1104
   ;;
1105
1106
   minimal)
      AC_DEFINE([MINIMAL_SPH], [1], [Minimal SPH])
1107
   ;;
1108
   pressure-entropy)
1109
      AC_DEFINE([HOPKINS_PE_SPH], [1], [Pressure-Entropy SPH])
1110
   ;;
1111
1112
1113
   pressure-energy)
      AC_DEFINE([HOPKINS_PU_SPH], [1], [Pressure-Energy SPH])
   ;;
1114
1115
   default)
      AC_DEFINE([DEFAULT_SPH], [1], [Default SPH])
1116
   ;;
1117
1118
   gizmo-mfv)
      AC_DEFINE([GIZMO_MFV_SPH], [1], [GIZMO MFV SPH])
1119
   ;;
1120
1121
   gizmo-mfm)
      AC_DEFINE([GIZMO_MFM_SPH], [1], [GIZMO MFM SPH])
1122
   ;;
1123
1124
   shadowfax)
      AC_DEFINE([SHADOWFAX_SPH], [1], [Shadowfax SPH])
1125
   ;;
1126
1127
   planetary)
      AC_DEFINE([PLANETARY_SPH], [1], [Planetary SPH])
1128
   ;;
1129

1130

1131
   *)
1132
      AC_MSG_ERROR([Unknown hydrodynamics scheme: $with_hydro])
1133
1134
1135
   ;;
esac

1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
# 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

1155
1156
1157
# Check if debugging interactions is switched on.
AC_ARG_ENABLE([debug-interactions],
   [AS_HELP_STRING([--enable-debug-interactions],
1158
     [Activate interaction debugging, logging a maximum of @<:@N@:>@ neighbours. Defaults to 256 if no value set.]
1159
1160
1161
1162
   )],
   [enable_debug_interactions="$enableval"],
   [enable_debug_interactions="no"]
)
1163
if test "$enable_debug_interactions" != "no"; then
1164
  if test "$with_hydro" = "gadget2"; then
1165
1166
1167
1168
1169
1170
1171
1172
      AC_DEFINE([DEBUG_INTERACTIONS_SPH],1,[Enable interaction debugging])
    if test "$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
1173
  else
1174
1175
1176
1177
    [enable_debug_interactions="no (only available for gadget2 hydro scheme)"]
  fi
fi

1178

1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
# 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])
1190
   ;;
1191
1192
   quartic-spline)
      AC_DEFINE([QUARTIC_SPLINE_KERNEL], [1], [Quartic spline kernel])
1193
   ;;
1194
1195
   quintic-spline)
      AC_DEFINE([QUINTIC_SPLINE_KERNEL], [1], [Quintic spline kernel])
1196
   ;;
1197
1198
   wendland-C2)
      AC_DEFINE([WENDLAND_C2_KERNEL], [1], [Wendland-C2 kernel])
1199
   ;;
1200
1201
   wendland-C4)
      AC_DEFINE([WENDLAND_C4_KERNEL], [1], [Wendland-C4 kernel])
1202
   ;;
1203
1204
   wendland-C6)
      AC_DEFINE([WENDLAND_C6_KERNEL], [1], [Wendland-C6 kernel])
1205
   ;;
1206
1207
1208
1209
1210
   *)
      AC_MSG_ERROR([Unknown kernel function: $with_kernel])
   ;;
esac

1211
1212
#  Dimensionality of the hydro scheme.
AC_ARG_WITH([hydro-dimension],
1213
1214
   [AS_HELP_STRING([--with-hydro-dimension=<dim>],
      [dimensionality of problem @<:@3/2/1 default: 3@:>@]
1215
1216
1217
1218
1219
1220
   )],
   [with_dimension="$withval"],
   [with_dimension="3"]
)
case "$with_dimension" in
   1)
1221
      AC_DEFINE([HYDRO_DIMENSION_1D], [1], [1D solver])
1222
   ;;
1223
   2)
1224
      AC_DEFINE([HYDRO_DIMENSION_2D], [2], [2D solver])
1225
   ;;
1226
   3)
1227
      AC_DEFINE([HYDRO_DIMENSION_3D], [3], [3D solver])
1228
   ;;
1229
1230
1231
1232
1233
   *)
      AC_MSG_ERROR([Dimensionality must be 1, 2 or 3])
   ;;
esac

1234
1235
1236
#  Equation of state
AC_ARG_WITH([equation-of-state],
   [AS_HELP_STRING([--with-equation-of-state=<EoS>],
1237
      [equation of state @<:@ideal-gas, isothermal-gas, planetary default: ideal-gas@:>@]
1238
1239
1240
1241
1242
1243
1244
   )],
   [with_eos="$withval"],
   [with_eos="ideal-gas"]
)
case "$with_eos" in
   ideal-gas)
      AC_DEFINE([EOS_IDEAL_GAS], [1], [Ideal gas equation of state])
1245
   ;;
1246
1247
   isothermal-gas)
      AC_DEFINE([EOS_ISOTHERMAL_GAS], [1], [Isothermal gas equation of state])
1248
   ;;
1249
   planetary)
1250
      AC_DEFINE([EOS_PLANETARY], [1], [All planetary equations of state])
1251
   ;;
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
   *)
      AC_MSG_ERROR([Unknown equation of state: $with_eos])
   ;;
esac

#  Adiabatic index
AC_ARG_WITH([adiabatic-index],
   [AS_HELP_STRING([--with-adiabatic-index=<gamma>],
      [adiabatic index @<:@5/3, 7/5, 4/3, 2 default: 5/3@:>@]
   )],
   [with_gamma="$withval"],
   [with_gamma="5/3"]
)
case "$with_gamma" in
   5/3)
      AC_DEFINE([HYDRO_GAMMA_5_3], [5./3.], [Adiabatic index is 5/3])
1268
   ;;
1269
1270
   7/5)
      AC_DEFINE([HYDRO_GAMMA_7_5], [7./5.], [Adiabatic index is 7/5])
1271
   ;;
1272
1273
   4/3)
      AC_DEFINE([HYDRO_GAMMA_4_3], [4./3.], [Adiabatic index is 4/3])
1274
   ;;
1275
1276
   2)
      AC_DEFINE([HYDRO_GAMMA_2_1], [2.], [Adiabatic index is 2])
1277
   ;;
1278
1279
1280
1281
1282
   *)
      AC_MSG_ERROR([Unknown adiabatic index: $with_gamma])
   ;;
esac

1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
#  Riemann solver
AC_ARG_WITH([riemann-solver],
   [AS_HELP_STRING([--with-riemann-solver=<solver>],
      [riemann solver (gizmo-sph only) @<:@none, exact, trrs, hllc, default: none@:>@]
   )],
   [with_riemann="$withval"],
   [with_riemann="none"]
)
case "$with_riemann" in
   none)
      AC_DEFINE([RIEMANN_SOLVER_NONE], [1], [No Riemann solver])
1294
   ;;
1295
1296
   exact)
      AC_DEFINE([RIEMANN_SOLVER_EXACT], [1], [Exact Riemann solver])
1297
   ;;
1298
1299
   trrs)
      AC_DEFINE([RIEMANN_SOLVER_TRRS], [1], [Two Rarefaction Riemann Solver])
1300
   ;;
1301
1302
   hllc)
      AC_DEFINE([RIEMANN_SOLVER_HLLC], [1], [Harten-Lax-van Leer-Contact Riemann solver])
1303
   ;;
1304
1305
1306
1307
1308
   *)
      AC_MSG_ERROR([Unknown Riemann solver: $with_riemann])
   ;;
esac

1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
# 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"

   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 $GRACKLE_INCS $FCLIBS]
   )
fi
AC_SUBST([GRACKLE_LIBS])
AC_SUBST([GRACKLE_INCS])
AM_CONDITIONAL([HAVEGRACKLE],[test -n "$GRACKLE_LIBS"])

1345
1346
1347
#  Cooling function
AC_ARG_WITH([cooling],
   [AS_HELP_STRING([--with-cooling=<function>],
lhausamm's avatar
lhausamm committed
1348
      [cooling function @<:@none, const-du, const-lambda, EAGLE, grackle, grackle1, grackle2, grackle3 default: none@:>@]
1349
1350
1351
1352
   )],
   [with_cooling="$withval"],
   [with_cooling="none"]
)
1353
1354
1355
1356
1357
1358
1359
1360
1361

if test "$with_subgrid" != "none"; then
   if test "$with_cooling" != "none"; then
      AC_MSG_ERROR([Cannot provide with-subgrid and with-cooling together])
   else
      with_cooling="$with_subgrid_cooling"
   fi
fi

1362
1363
1364
case "$with_cooling" in
   none)
      AC_DEFINE([COOLING_NONE], [1], [No cooling function])
1365
   ;;
1366
1367
   const-du)
      AC_DEFINE([COOLING_CONST_DU], [1], [Const du/dt cooling function])
1368
   ;;
1369
1370
   const-lambda)
      AC_DEFINE([COOLING_CONST_LAMBDA], [1], [Const Lambda cooling function])
1371
   ;;
1372
1373
   grackle)
      AC_DEFINE([COOLING_GRACKLE], [1], [Cooling via the grackle library])
Matthieu Schaller's avatar
Matthieu Schaller committed
1374
      AC_DEFINE([COOLING_GRACKLE_MODE], [0], [Grackle chemistry network, mode 0])
Jacob Kegerreis 's avatar
Jacob Kegerreis committed
1375
   ;;
1376
1377
   grackle1)
      AC_DEFINE([COOLING_GRACKLE], [1], [Cooling via the grackle library])
Matthieu Schaller's avatar
Matthieu Schaller committed
1378
      AC_DEFINE([COOLING_GRACKLE_MODE], [1], [Grackle chemistry network, mode 1])
1379
   ;;
1380
1381
   grackle2)
      AC_DEFINE([COOLING_GRACKLE], [1], [Cooling via the grackle library])
Matthieu Schaller's avatar
Matthieu Schaller committed
1382
      AC_DEFINE([COOLING_GRACKLE_MODE], [2], [Grackle chemistry network, mode 2])
Jacob Kegerreis 's avatar
Jacob Kegerreis committed
1383
   ;;
1384
1385
   grackle3)
      AC_DEFINE([COOLING_GRACKLE], [1], [Cooling via the grackle library])
Matthieu Schaller's avatar
Matthieu Schaller committed
1386
      AC_DEFINE([COOLING_GRACKLE_MODE], [3], [Grackle chemistry network, mode 3])
1387
   ;;
1388
1389
   EAGLE)
      AC_DEFINE([COOLING_EAGLE], [1], [Cooling following the EAGLE model])
1390
   ;;
1391
1392
1393
1394
1395
   *)
      AC_MSG_ERROR([Unknown cooling function: $with_cooling])
   ;;
esac

lhausamm's avatar
lhausamm committed
1396
1397
1398
#  chemistry function
AC_ARG_WITH([chemistry],
   [AS_HELP_STRING([--with-chemistry=<function>],
1399
      [chemistry function @<:@none, GEAR, EAGLE default: none@:>@]
lhausamm's avatar
lhausamm committed
1400
1401
1402
1403
   )],
   [with_chemistry="$withval"],
   [with_chemistry="none"]
)
1404
1405
1406