configure.ac 30.4 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],[0.6.0],[https://gitlab.cosma.dur.ac.uk/swift/swiftsim])
20
swift_config_flags="$*"
21
22

#  Need to define this, instead of using fifth argument of AC_INIT, until 2.64.
Matthieu Schaller's avatar
Matthieu Schaller committed
23
AC_DEFINE([PACKAGE_URL],["www.swiftsim.com"], [Package web pages])
24

25
AC_COPYRIGHT
26
AC_CONFIG_SRCDIR([src/space.c])
27
AC_CONFIG_AUX_DIR([.])
28
AM_INIT_AUTOMAKE
Pedro Gonnet's avatar
Pedro Gonnet committed
29

30
# Add local macro collection.
Pedro Gonnet's avatar
Pedro Gonnet committed
31
32
AC_CONFIG_MACRO_DIR([m4])

33
34
35
36
# Stop default CFLAGS from anyone except the environment.
: ${CFLAGS=""}

# Generate header file.
Pedro Gonnet's avatar
Pedro Gonnet committed
37
38
AM_CONFIG_HEADER(config.h)

39
40
# Find and test the compiler.
AX_CHECK_ENABLE_DEBUG
Peter W. Draper's avatar
Peter W. Draper committed
41
AC_PROG_CC
42
43
AM_PROG_CC_C_O

44
45
46
# Enable POSIX and platform extension preprocessor macros.
AC_USE_SYSTEM_EXTENSIONS

47
48
49
50
# Check for compiler version and vendor.
AX_COMPILER_VENDOR
AX_COMPILER_VERSION

51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
# 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

81
82
# Check for MPI. Need to do this before characterising the compiler (C99 mode),
# as this changes the compiler.
83
84
85
86
# 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.
87
AC_ARG_ENABLE([mpi],
88
    [AS_HELP_STRING([--enable-mpi],
89
      [Compile with functionality for distributed-memory parallelism using MPI @<:@yes/no@:>@]
90
91
92
93
    )],
    [enable_mpi="$enableval"],
    [enable_mpi="yes"]
)
94
good_mpi="yes"
95
96
if test "$enable_mpi" = "yes"; then
    AX_MPI([CC="$MPICC" AC_DEFINE(HAVE_MPI, 1, [Define if you have the MPI library.]) ])
97
    MPI_LIBRARY="Unknown MPI"
98
99
100

    # Various MPI implementations require additional libraries when also using
    # threads. Use mpirun (on PATH) as that seems to be only command with
101
102
103
104
105
106
    # 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
107
    if test "$MPIRUN" = "notfound"; then
108
109
       # This may not be fatal (some systems do not allow mpirun on
       # development nodes)., so push on.
110
111
112
113
114
115
116
117
118
119
120
121
       AC_MSG_WARN([Cannot find mpirun command on PATH, thread support may not be correct])
    else
       # Special options we know about.
       # Intel: -mt_mpi
       # PLATFORM: -lmtmpi
       # OpenMPI: nothing, but library should be built correctly.
       # Set MPI_THREAD_LIBS and add to linker commands as necessary.
       AC_MSG_CHECKING([MPI threads options])
       version=`$MPIRUN -version 2>&1`
       case "$version" in
         *Intel*MPI*)
            MPI_THREAD_LIBS="-mt_mpi"
122
            MPI_LIBRARY="Intel MPI"
123
124
125
126
            AC_MSG_RESULT([Intel MPI])
         ;;
         *Platform*)
            MPI_THREAD_LIBS="-lmtmpi"
127
            MPI_LIBRARY="PLATFORM MPI"
128
129
130
131
            AC_MSG_RESULT([PLATFORM MPI])
         ;;
         *"Open MPI"*)
            MPI_THREAD_LIBS=""
132
            MPI_LIBRARY="Open MPI"
133
            AC_MSG_RESULT([Open MPI])
134
135
136
137
138
139
140
141
142
            #  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 $revision)])
                enable_mpi="yes (but with warning)"
            fi
143
144
145
146
147
148
149
150
         ;;
         *)
            MPI_THREAD_LIBS=""
            AC_MSG_RESULT([unknown])
         ;;
       esac
       AC_SUBST([MPI_THREAD_LIBS])
    fi
151
    AC_DEFINE_UNQUOTED([SWIFT_MPI_LIBRARY], ["$MPI_LIBRARY"], [The MPI library name, if known.])
152
fi
153
AM_CONDITIONAL([HAVEMPI],[test $enable_mpi = "yes"])
154

155
156
157
# Indicate that MPIRUN can be modified by an environement variable
AC_ARG_VAR(MPIRUN, Path to the mpirun command if non-standard)

158
159
160
# Add libtool support (now that CC is defined).
LT_INIT

161
# Need C99 and inline support.
Pedro Gonnet's avatar
Pedro Gonnet committed
162
AC_PROG_CC_C99
Peter W. Draper's avatar
Peter W. Draper committed
163
164
AC_C_INLINE

165
166
167
168
# 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
169
170
171
172
173
174
      # 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 $inline_EXTRA_FLAGS"
175
176
177
178
179
   elif test "$ax_cv_c_compiler_vendor" = "intel"; then
      CFLAGS="$CFLAGS -debug inline-debug-info"
   fi
fi

180
181
182
183
184
185
186
187
188
189
190
191
# 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

192
193
194
195
196
197
198
199
200
201
# 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])
202
   LDFLAGS="$LDFLAGS -rdynamic"
203
204
fi

205
206
207
208
209
210
211
212
213
214
215
216
# 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

217
218
219
220
221
222
223
224
225
226
227
228
# 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

229
230
231
232
233
234
235
236
237
238
239
240
# 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

241
242
243
244
245
246
247
248
249
250
251
252
253
254
# 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

255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
# 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


270
# Define HAVE_POSIX_MEMALIGN if it works.
Pedro Gonnet's avatar
Pedro Gonnet committed
271
272
AX_FUNC_POSIX_MEMALIGN

273
274
# Only optimize if allowed, otherwise assume user will set CFLAGS as
# appropriate.
275
AC_ARG_ENABLE([optimization],
276
   [AS_HELP_STRING([--enable-optimization],
277
     [Enable compile time optimization flags for host @<:@yes/no@:>@]
278
279
280
   )],
   [enable_opt="$enableval"],
   [enable_opt="yes"]
281
282
)

283
284
285
286
287
288
289
290
291
292
293
294
295
296
#  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"]
)

HAVEVECTORIZATION=0

297
if test "$enable_opt" = "yes" ; then
298
299
300
301
302
303
304
305
306

   # 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"
307
308
309
310
311
312
313
314
315
316

   # 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
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335


   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="$CFLAGS -fno-vectorize -fno-slp-vectorize"
         AC_MSG_RESULT([disabled clang vectorization])
      else
         AC_MSG_WARN([Do not know how to disable vectorization for this compiler])
      fi
   else
      AC_DEFINE([WITH_VECTORIZATION],1,[Enable vectorization])
      HAVEVECTORIZATION=1
   fi
336
fi
337
338
AM_CONDITIONAL([HAVEVECTORIZATION],[test -n "$HAVEVECTORIZATION"])

Peter W. Draper's avatar
Peter W. Draper committed
339

340
# Add address sanitizer options to flags, if requested. Only useful for GCC
341
# version 4.8 and later and clang.
342
AC_ARG_ENABLE([sanitizer],
343
   [AS_HELP_STRING([--enable-sanitizer],
344
     [Enable memory error detection using address sanitizer @<:@no/yes@:>@]
345
346
347
   )],
   [enable_san="$enableval"],
   [enable_san="no"]
348
349
)

350
351
352
353
if test "$enable_san" = "yes"; then
   if test "$ax_cv_c_compiler_vendor" = "gnu"; then
      AX_COMPARE_VERSION( $ax_cv_c_compiler_version, [ge], [4.8.0],
                          [enable_san="yes"], [enable_san="no"] )
354
355
356
357
358
359
   elif test "$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"
360
      AC_MSG_RESULT([added address sanitizer support])
361
362
   else
      AC_MSG_WARN([Compiler does not support address sanitizer option])
363
364
365
   fi
fi

366
# Autoconf stuff.
Pedro Gonnet's avatar
Pedro Gonnet committed
367
368
369
370
AC_PROG_INSTALL
AC_PROG_MAKE_SET
AC_HEADER_STDC

371
# Check for the libraries we will need.
Pedro Gonnet's avatar
Pedro Gonnet committed
372
373
AC_CHECK_LIB(m,sqrt,,AC_MSG_ERROR(something is wrong with the math library!))

374
# Check for pthreads.
375
AX_PTHREAD([LIBS="$PTHREAD_LIBS $LIBS" CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
376
    CC="$PTHREAD_CC" LDFLAGS="$LDFLAGS $PTHREAD_LIBS $LIBS"],
Pedro Gonnet's avatar
Pedro Gonnet committed
377
378
379
380
    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.]))
381

382
AC_CHECK_LIB(pthread, pthread_barrier_init,,AC_MSG_ERROR(POSIX implementation does not have barriers!))
383

384
385
386
# Check for metis. Note AX_LIB_METIS exists, but cannot be configured
# to be default off (i.e. given no option it tries to locate METIS), so we
# don't use that.
387
have_metis="no"
388
AC_ARG_WITH([metis],
389
    [AS_HELP_STRING([--with-metis=PATH],
390
       [root directory where metis is installed @<:@yes/no@:>@]
391
392
393
394
395
396
    )],
    [],
    [with_metis="no"]
)
if test "x$with_metis" != "xno"; then
   if test "x$with_metis" != "xyes" -a "x$with_metis" != "x"; then
397
398
      METIS_LIBS="-L$with_metis/lib -lmetis"
      METIS_INCS="-I$with_metis/include"
399
   else
400
      METIS_LIBS="-lmetis"
401
      METIS_INCS=""
402
   fi
403
   have_metis="yes"
404
405
   AC_CHECK_LIB([metis],[METIS_PartGraphKway],
      AC_DEFINE([HAVE_METIS],1,[The metis library appears to be present.]),
406
      AC_MSG_ERROR(something is wrong with the metis library!),$METIS_LIBS)
407
fi
408
AC_SUBST([METIS_LIBS])
409
AC_SUBST([METIS_INCS])
410
AM_CONDITIONAL([HAVEMETIS],[test -n "$METIS_LIBS"])
411

412
413
414
415
416
417
418
419
420
421
#  Check for tcmalloc a fast malloc that is part of the gperftools.
have_tcmalloc="no"
AC_ARG_WITH([tcmalloc],
   [AS_HELP_STRING([--with-tcmalloc],
      [use tcmalloc library or specify the directory with lib @<:@yes/no@:>@]
   )],
   [with_tcmalloc="$withval"],
   [with_tcmalloc="no"]
)
if test "x$with_tcmalloc" != "xno"; then
Peter W. Draper's avatar
Peter W. Draper committed
422
   if test "x$with_tcmalloc" != "xyes" -a "x$with_tcmalloc" != "x"; then
423
      tclibs="-L$with_tcmalloc -ltcmalloc"
424
   else
425
      tclibs="-ltcmalloc"
426
427
   fi
   AC_CHECK_LIB([tcmalloc],[tc_cfree],[have_tcmalloc="yes"],[have_tcmalloc="no"],
428
                $tclibs)
429
430
431

   #  Could just have the minimal version.
   if test "$have_tcmalloc" = "no"; then
Peter W. Draper's avatar
Peter W. Draper committed
432
      if test "x$with_tcmalloc" != "xyes" -a "x$with_tcmalloc" != "x"; then
433
         tclibs="-L$with_tcmalloc -ltcmalloc_minimal"
434
      else
435
         tclibs="-ltcmalloc_minimal"
436
437
      fi
      AC_CHECK_LIB([tcmalloc],[tc_cfree],[have_tcmalloc="yes"],[have_tcmalloc="no"],
438
                   $tclibs)
439
   fi
Pedro Gonnet's avatar
Pedro Gonnet committed
440

441
442
443
444
   if test "$have_tcmalloc" = "yes"; then
      TCMALLOC_LIBS="$tclibs"

      # These are recommended for GCC.
445
      if test "$ax_cv_c_compiler_vendor" = "gnu"; then
446
447
448
449
         CFLAGS="$CFLAGS -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free"
      fi
   else
      TCMALLOC_LIBS=""
450
451
452
453
454
   fi
fi
AC_SUBST([TCMALLOC_LIBS])
AM_CONDITIONAL([HAVETCMALLOC],[test -n "$TCMALLOC_LIBS"])

455
#  Check for -lprofiler usually part of the gperftools along with tcmalloc.
456
457
458
459
460
461
462
463
464
have_profiler="no"
AC_ARG_WITH([profiler],
   [AS_HELP_STRING([--with-profiler],
      [use cpu profiler library or specify the directory with lib @<:@yes/no@:>@]
   )],
   [with_profiler="$withval"],
   [with_profiler="yes"]
)
if test "x$with_profiler" != "xno"; then
Peter W. Draper's avatar
Peter W. Draper committed
465
   if test "x$with_profiler" != "xyes" -a "x$with_profiler" != "x"; then
466
      proflibs="-L$with_profiler -lprofiler"
467
   else
468
      proflibs="-lprofiler"
469
470
   fi
   AC_CHECK_LIB([profiler],[ProfilerFlush],[have_profiler="yes"],[have_profiler="no"],
471
472
473
474
475
476
477
                $proflibs)

   if test "$have_profiler" = "yes"; then
      PROFILER_LIBS="$proflibs"
   else
      PROFILER_LIBS=""
   fi
478
479
480
fi
AC_SUBST([PROFILER_LIBS])
AM_CONDITIONAL([HAVEPROFILER],[test -n "$PROFILER_LIBS"])
Pedro Gonnet's avatar
Pedro Gonnet committed
481

Peter W. Draper's avatar
Peter W. Draper committed
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
#  Check for jemalloc another fast malloc that is good with contention.
have_jemalloc="no"
AC_ARG_WITH([jemalloc],
   [AS_HELP_STRING([--with-jemalloc],
      [use jemalloc library or specify the directory with lib @<:@yes/no@:>@]
   )],
   [with_jemalloc="$withval"],
   [with_jemalloc="no"]
)
if test "x$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"
   else
      JEMALLOC_LIBS=""
   fi
fi
AC_SUBST([JEMALLOC_LIBS])
AM_CONDITIONAL([HAVEJEMALLOC],[test -n "$JEMALLOC_LIBS"])

#  Don't allow both tcmalloc and jemalloc.
if test "x$have_tcmalloc" != "xno" -a "x$have_jemalloc" != "xno"; then
   AC_MSG_ERROR([Cannot use tcmalloc at same time as jemalloc])
fi

514
# Check for HDF5. This is required.
515
AX_LIB_HDF5
516
517
518
519
if test "$with_hdf5" != "yes"; then
    AC_MSG_ERROR([Could not find a working HDF5 library])
fi

520
521
522
# 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.
523
524
have_parallel_hdf5="no"
if test "$with_hdf5" = "yes"; then
525
526
    AC_ARG_ENABLE([parallel-hdf5],
       [AS_HELP_STRING([--enable-parallel-hdf5],
527
         [Enable parallel HDF5 library MPI functions if available. @<:@yes/no@:>@]
528
529
530
531
532
533
534
       )],
       [enable_parallel_hdf5="$enableval"],
       [enable_parallel_hdf5="yes"]
    )

    if test "$enable_parallel_hdf5" = "yes"; then
        AC_MSG_CHECKING([for HDF5 parallel support])
535
536
537
538
539
540
541
542
# Check if the library is capable, the header should define H5_HAVE_PARALLEL.

        AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
        #include "hdf5.h"
        #ifndef H5_HAVE_PARALLEL
        # error macro not defined
        #endif
        ]])], [parallel="yes"], [parallel="no"])
543
544
545
546
547
        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)
548
549
550
551
    fi
fi
AM_CONDITIONAL([HAVEPARALLELHDF5],[test "$have_parallel_hdf5" = "yes"])

552
# Check for setaffinity.
553
AC_CHECK_FUNC(pthread_setaffinity_np, AC_DEFINE([HAVE_SETAFFINITY],[1],
Pedro Gonnet's avatar
Pedro Gonnet committed
554
    [Defined if pthread_setaffinity_np exists.]) )
555
556
AM_CONDITIONAL(HAVESETAFFINITY,
    [test "$ac_cv_func_pthread_setaffinity_np" = "yes"])
557

558
have_numa="no"
559
560
561
562
563
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])
564
    have_numa="yes"
565
566
  fi
fi
Angus Lepper's avatar
Angus Lepper committed
567

568
569
570
571
572
573
574
575
576
577
578
# Check for FFTW
have_fftw3="no"
AC_CHECK_HEADER([fftw3.h])
if test "$ac_cv_header_fftw3_h" = "yes"; then
   AC_CHECK_LIB([fftw3],[fftw_malloc], [AC_DEFINE([HAVE_FFTW],
   [1],[Defined if FFTW 3.x exists.])] )
   FFTW_LIBS="-lfftw3"
   have_fftw3="yes"
fi
AC_SUBST([FFTW_LIBS])

Pedro Gonnet's avatar
Pedro Gonnet committed
579
# Check for Intel and PowerPC intrinsics header optionally used by vector.h.
580
AC_CHECK_HEADERS([immintrin.h])
Pedro Gonnet's avatar
Pedro Gonnet committed
581
AC_CHECK_HEADERS([altivec.h])
582

583
# Check for timing functions needed by cycle.h.
Pedro Gonnet's avatar
Pedro Gonnet committed
584
585
AC_HEADER_TIME
AC_CHECK_HEADERS([sys/time.h c_asm.h intrinsics.h mach/mach_time.h])
586
587
588
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
589
590
591
592
593
#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
594
595
AC_LINK_IFELSE([AC_LANG_PROGRAM(
[[#ifdef HAVE_INTRINSICS_H
Pedro Gonnet's avatar
Pedro Gonnet committed
596
#include <intrinsics.h>
597
#endif]],
598
599
[[_rtc()]])],
[AC_DEFINE(HAVE__RTC,1,[Define if you have the UNICOS _rtc() intrinsic.])],[rtc_ok=no])
Pedro Gonnet's avatar
Pedro Gonnet committed
600
601
AC_MSG_RESULT($rtc_ok)

602
# Add warning flags by default, if these can be used. Option =error adds
603
# -Werror to GCC, clang and Intel.  Note do this last as compiler tests may
604
# become errors, if that's an issue don't use CFLAGS for these, use an AC_SUBST().
605
606
AC_ARG_ENABLE([compiler-warnings],
   [AS_HELP_STRING([--enable-compiler-warnings],
607
     [Enable compile time warning flags, if compiler is known @<:@error/no/yes)@:>@]
608
609
   )],
   [enable_warn="$enableval"],
610
   [enable_warn="error"]
611
612
)
if test "$enable_warn" != "no"; then
613

614
    # AX_CFLAGS_WARN_ALL does not give good warning flags for the Intel compiler
615
    # We will do this by hand instead and only default to the macro for unknown compilers
616
617
    case "$ax_cv_c_compiler_vendor" in
          gnu | clang)
618
             CFLAGS="$CFLAGS -Wall -Wextra -Wno-unused-parameter -Wshadow"
619
          ;;
620
	  intel)
621
             CFLAGS="$CFLAGS -w2 -Wunused-variable -Wshadow"
622
          ;;
623
624
625
	  *)
	     AX_CFLAGS_WARN_ALL
	  ;;
626
    esac
627

628
    # Add a "choke on warning" flag if it exists
629
    if test "$enable_warn" = "error"; then
630
       case "$ax_cv_c_compiler_vendor" in
631
          intel | gnu | clang)
632
633
634
             CFLAGS="$CFLAGS -Werror"
          ;;
       esac
635
    fi
636
637
fi

638
639
640
641
642
# Various package configuration options.

# Hydro scheme.
AC_ARG_WITH([hydro],
   [AS_HELP_STRING([--with-hydro=<scheme>],
643
      [Hydro dynamics to use @<:@gadget2, minimal, hopkins, default, gizmo, shadowfax debug default: gadget2@:>@]
644
645
646
647
648
649
   )],
   [with_hydro="$withval"],
   [with_hydro="gadget2"]
)
case "$with_hydro" in
   gadget2)
650
      AC_DEFINE([GADGET2_SPH], [1], [Gadget-2 SPH])
651
652
653
654
   ;; 
   minimal)
      AC_DEFINE([MINIMAL_SPH], [1], [Minimal SPH])
   ;; 
655
656
657
   debug)
      AC_DEFINE([DEBUG_INTERACTIONS_SPH], [1], [Debug SPH])
   ;; 
658
   hopkins)
659
      AC_DEFINE([HOPKINS_PE_SPH], [1], [Pressure-Entropy SPH])
660
661
662
663
664
665
666
   ;; 
   default)
      AC_DEFINE([DEFAULT_SPH], [1], [Default SPH])
   ;; 
   gizmo)
      AC_DEFINE([GIZMO_SPH], [1], [GIZMO SPH])
   ;; 
667
668
669
   shadowfax)
      AC_DEFINE([SHADOWFAX_SPH], [1], [Shadowfax SPH])
   ;; 
670
671

   *)
672
      AC_MSG_ERROR([Unknown hydrodynamics scheme: $with_hydro])
673
674
675
   ;;
esac

676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
# 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])
   ;;    
   quartic-spline)
      AC_DEFINE([QUARTIC_SPLINE_KERNEL], [1], [Quartic spline kernel])
   ;;    
   quintic-spline)
      AC_DEFINE([QUINTIC_SPLINE_KERNEL], [1], [Quintic spline kernel])
   ;;    
   wendland-C2)
      AC_DEFINE([WENDLAND_C2_KERNEL], [1], [Wendland-C2 kernel])
   ;;    
   wendland-C4)
      AC_DEFINE([WENDLAND_C4_KERNEL], [1], [Wendland-C4 kernel])
   ;;    
   wendland-C6)
      AC_DEFINE([WENDLAND_C6_KERNEL], [1], [Wendland-C6 kernel])
   ;;    
   *)
      AC_MSG_ERROR([Unknown kernel function: $with_kernel])
   ;;
esac

708
709
#  Dimensionality of the hydro scheme.
AC_ARG_WITH([hydro-dimension],
710
711
   [AS_HELP_STRING([--with-hydro-dimension=<dim>],
      [dimensionality of problem @<:@3/2/1 default: 3@:>@]
712
713
714
715
716
717
   )],
   [with_dimension="$withval"],
   [with_dimension="3"]
)
case "$with_dimension" in
   1)
718
      AC_DEFINE([HYDRO_DIMENSION_1D], [1], [1D solver])
719
720
   ;; 
   2)
721
      AC_DEFINE([HYDRO_DIMENSION_2D], [2], [2D solver])
722
723
   ;; 
   3)
724
      AC_DEFINE([HYDRO_DIMENSION_3D], [3], [3D solver])
725
726
727
728
729
730
   ;; 
   *)
      AC_MSG_ERROR([Dimensionality must be 1, 2 or 3])
   ;;
esac

731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
#  Equation of state
AC_ARG_WITH([equation-of-state],
   [AS_HELP_STRING([--with-equation-of-state=<EoS>],
      [equation of state @<:@ideal-gas, isothermal-gas default: ideal-gas@:>@]
   )],
   [with_eos="$withval"],
   [with_eos="ideal-gas"]
)
case "$with_eos" in
   ideal-gas)
      AC_DEFINE([EOS_IDEAL_GAS], [1], [Ideal gas equation of state])
   ;; 
   isothermal-gas)
      AC_DEFINE([EOS_ISOTHERMAL_GAS], [1], [Isothermal gas equation of state])
   ;; 
   *)
      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])
   ;; 
   7/5)
      AC_DEFINE([HYDRO_GAMMA_7_5], [7./5.], [Adiabatic index is 7/5])
   ;; 
   4/3)
      AC_DEFINE([HYDRO_GAMMA_4_3], [4./3.], [Adiabatic index is 4/3])
   ;; 
   2)
      AC_DEFINE([HYDRO_GAMMA_2_1], [2.], [Adiabatic index is 2])
   ;; 
   *)
      AC_MSG_ERROR([Unknown adiabatic index: $with_gamma])
   ;;
esac

777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
#  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])
   ;; 
   exact)
      AC_DEFINE([RIEMANN_SOLVER_EXACT], [1], [Exact Riemann solver])
   ;; 
   trrs)
      AC_DEFINE([RIEMANN_SOLVER_TRRS], [1], [Two Rarefaction Riemann Solver])
   ;; 
   hllc)
      AC_DEFINE([RIEMANN_SOLVER_HLLC], [1], [Harten-Lax-van Leer-Contact Riemann solver])
   ;; 
   *)
      AC_MSG_ERROR([Unknown Riemann solver: $with_riemann])
   ;;
esac

803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
#  Cooling function
AC_ARG_WITH([cooling],
   [AS_HELP_STRING([--with-cooling=<function>],
      [cooling function @<:@none, const-du, const-lambda, grackle default: none@:>@]
   )],
   [with_cooling="$withval"],
   [with_cooling="none"]
)
case "$with_cooling" in
   none)
      AC_DEFINE([COOLING_NONE], [1], [No cooling function])
   ;; 
   const-du)
      AC_DEFINE([COOLING_CONST_DU], [1], [Const du/dt cooling function])
   ;; 
   const-lambda)
      AC_DEFINE([COOLING_CONST_LAMBDA], [1], [Const Lambda cooling function])
   ;; 
   grackle)
      AC_DEFINE([COOLING_GRACKLE], [1], [Cooling via the grackle library])
   ;; 
   *)
      AC_MSG_ERROR([Unknown cooling function: $with_cooling])
   ;;
esac

#  External potential
AC_ARG_WITH([ext-potential],
   [AS_HELP_STRING([--with-ext-potential=<pot>],
832
      [external potential @<:@none, point-mass, isothermal, softened-isothermal, disc-patch, sine-wave default: none@:>@]
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
   )],
   [with_potential="$withval"],
   [with_potential="none"]
)
case "$with_potential" in
   none)
      AC_DEFINE([EXTERNAL_POTENTIAL_NONE], [1], [No external potential])
   ;; 
   point-mass)
      AC_DEFINE([EXTERNAL_POTENTIAL_POINTMASS], [1], [Point-mass external potential])
   ;; 
   isothermal)
      AC_DEFINE([EXTERNAL_POTENTIAL_ISOTHERMAL], [1], [Isothermal external potential])
   ;; 
   disc-patch)
      AC_DEFINE([EXTERNAL_POTENTIAL_DISC_PATCH], [1], [Disc-patch external potential])
   ;; 
850
851
852
   sine-wave)
      AC_DEFINE([EXTERNAL_POTENTIAL_SINE_WAVE], [1], [Sine wave external potential in 1D])
   ;; 
853
854
855
856
   *)
      AC_MSG_ERROR([Unknown external potential: $with_potential])
   ;;
esac
857

858
859
860
#  Gravity multipole order
AC_ARG_WITH([multipole-order],
   [AS_HELP_STRING([--with-multipole-order=<order>],
861
      [order of the multipole and gravitational field expansion @<:@ default: 5@:>@]
862
863
   )],
   [with_multipole_order="$withval"],
864
   [with_multipole_order="5"]
865
866
)
AC_DEFINE_UNQUOTED([SELF_GRAVITY_MULTIPOLE_ORDER], [$with_multipole_order], [Multipole order])
867
868


869
870
871
# Check for git, needed for revision stamps.
AC_PATH_PROG([GIT_CMD], [git])
AC_SUBST([GIT_CMD])
872

873
# Make the documentation. Add conditional to handle disable option.
874
DX_INIT_DOXYGEN(libswift,doc/Doxyfile,doc/)
875
AM_CONDITIONAL([HAVE_DOXYGEN], [test "$ac_cv_path_ac_pt_DX_DOXYGEN" != ""])
Pedro Gonnet's avatar
Pedro Gonnet committed
876

877
# Handle .in files.
878
AC_CONFIG_FILES([Makefile src/Makefile examples/Makefile doc/Makefile doc/Doxyfile tests/Makefile])
879
AC_CONFIG_FILES([tests/testReading.sh], [chmod +x tests/testReading.sh])
880
AC_CONFIG_FILES([tests/testActivePair.sh], [chmod +x tests/testActivePair.sh])
881
882
AC_CONFIG_FILES([tests/test27cells.sh], [chmod +x tests/test27cells.sh])
AC_CONFIG_FILES([tests/test27cellsPerturbed.sh], [chmod +x tests/test27cellsPerturbed.sh])
883
AC_CONFIG_FILES([tests/test125cells.sh], [chmod +x tests/test125cells.sh])
884
AC_CONFIG_FILES([tests/test125cellsPerturbed.sh], [chmod +x tests/test125cellsPerturbed.sh])
885
AC_CONFIG_FILES([tests/testPeriodicBC.sh], [chmod +x tests/testPeriodicBC.sh])
886
AC_CONFIG_FILES([tests/testPeriodicBCPerturbed.sh], [chmod +x tests/testPeriodicBCPerturbed.sh])
887
AC_CONFIG_FILES([tests/testInteractions.sh], [chmod +x tests/testInteractions.sh])
888
AC_CONFIG_FILES([tests/testParser.sh], [chmod +x tests/testParser.sh])
Pedro Gonnet's avatar
Pedro Gonnet committed
889

890
891
892
# Save the compilation options
AC_DEFINE_UNQUOTED([SWIFT_CONFIG_FLAGS],["$swift_config_flags"],[Flags passed to configure])

893
894
895
896
897
898
# Make sure the latest git revision string gets included
touch src/version.c

# Generate output.
AC_OUTPUT

899
# Report general configuration.
900
901
AC_MSG_RESULT([ 
 ------- Summary --------
902
903
904

   $PACKAGE_NAME v.$PACKAGE_VERSION

905
906
907
908
909
910
911
   Compiler        : $CC
    - vendor       : $ax_cv_c_compiler_vendor
    - version      : $ax_cv_c_compiler_version
    - flags        : $CFLAGS
   MPI enabled     : $enable_mpi
   HDF5 enabled    : $with_hdf5
    - parallel     : $have_parallel_hdf5
912
   Metis enabled   : $have_metis
913
   FFTW3 enabled   : $have_fftw3
914
   libNUMA enabled : $have_numa
915
   Using tcmalloc  : $have_tcmalloc
Peter W. Draper's avatar
Peter W. Draper committed
916
   Using jemalloc  : $have_jemalloc
917
   CPU profiler    : $have_profiler
918
919
920
921
922
923

   Hydro scheme       : $with_hydro
   Dimensionality     : $with_dimension
   Kernel function    : $with_kernel
   Equation of state  : $with_eos
   Adiabatic index    : $with_gamma
924
   Riemann solver     : $with_riemann
925
   Cooling function   : $with_cooling
926
927
928
929
930
   
   External potential  : $with_potential
   Multipole order     : $with_multipole_order
   No gravity below ID : $no_gravity_below_id

931
932
933
934
   Individual timers    : $enable_timers
   Task debugging       : $enable_task_debugging
   Threadpool debugging : $enable_threadpool_debugging
   Debugging checks     : $enable_debugging_checks
935
   Naive interactions   : $enable_naive_interactions
936
   Gravity checks       : $gravity_force_checks
937
938

 ------------------------])