configure.ac 34.1 KB
Newer Older
1
# This file is part of SWIFT.
2
# Copyright (C) 2012 pedro.gonnet@durham.ac.uk.
3
#               2016 p.w.draper@durham.ac.uk.
4
#
Pedro Gonnet's avatar
Pedro Gonnet committed
5
6
7
8
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
9
#
Pedro Gonnet's avatar
Pedro Gonnet committed
10
11
12
13
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
14
#
Pedro Gonnet's avatar
Pedro Gonnet committed
15
16
17
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

18
# Init the project.
19
AC_INIT([SWIFT],[0.6.0],[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([.])
lhausamm's avatar
lhausamm committed
28
AM_INIT_AUTOMAKE([subdir-objects])
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

lhausamm's avatar
lhausamm committed
81
# Compiling with Python wrapper
lhausamm's avatar
lhausamm committed
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
#AC_ARG_WITH([python],
#    [AS_HELP_STRING([--with-python=PATH],
#        [Root directory of python3]
#    )],
#    [],
#    [with_python="no"]
#)

#have_python="no"
#if test "x$with_python" != "xno"; then
#   if test "x$with_python" != "xyes" -a "x$with_python" != "x"; then
#     PYTHON_INCS=`$with_python/bin/python3-config --includes`
#     PYTHON_LIBS=`$with_python/bin/python3-config --ldflags`
#   else
#     PYTHON_INCS=""
#     PYTHON_LIBS=""
#   fi

#   OLD_CPPFLAGS="$CPPFLAGS"

#   CPPFLAGS="$CPPFLAGS $PYTHON_INCS"
lhausamm's avatar
lhausamm committed
103
   
lhausamm's avatar
lhausamm committed
104
105
106
107
108
109
110
111
112
113
#   have_python="yes"
#   AC_SUBST([PYTHON_INCS])
#   AC_SUBST([PYTHON_LIBS])
#   AC_CHECK_HEADER(
#     Python.h,
#     AC_DEFINE([SWIFT_PYTHON_WRAPPER],1,[Enable the python wrapper]),
#     AC_MSG_ERROR(something is wrong with the python library! PYTHON_INCS=$PYTHON_INCS)
#   )
#   CPPFLAGS="$OLD_CPPFLAGS"
#fi
lhausamm's avatar
lhausamm committed
114
115


116
117
# Check for MPI. Need to do this before characterising the compiler (C99 mode),
# as this changes the compiler.
118
119
120
121
# 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.
122
AC_ARG_ENABLE([mpi],
123
    [AS_HELP_STRING([--enable-mpi],
124
      [Compile with functionality for distributed-memory parallelism using MPI @<:@yes/no@:>@]
125
126
127
128
    )],
    [enable_mpi="$enableval"],
    [enable_mpi="yes"]
)
129
good_mpi="yes"
130
131
if test "$enable_mpi" = "yes"; then
    AX_MPI([CC="$MPICC" AC_DEFINE(HAVE_MPI, 1, [Define if you have the MPI library.]) ])
132
    MPI_LIBRARY="Unknown MPI"
133
134
135

    # Various MPI implementations require additional libraries when also using
    # threads. Use mpirun (on PATH) as that seems to be only command with
136
137
138
139
140
141
    # 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
142
    if test "$MPIRUN" = "notfound"; then
143
144
       # This may not be fatal (some systems do not allow mpirun on
       # development nodes)., so push on.
145
146
147
148
149
150
151
152
153
154
155
156
       AC_MSG_WARN([Cannot find mpirun command on PATH, thread support may not be correct])
    else
       # Special options we know about.
       # Intel: -mt_mpi
       # PLATFORM: -lmtmpi
       # OpenMPI: nothing, but library should be built correctly.
       # Set MPI_THREAD_LIBS and add to linker commands as necessary.
       AC_MSG_CHECKING([MPI threads options])
       version=`$MPIRUN -version 2>&1`
       case "$version" in
         *Intel*MPI*)
            MPI_THREAD_LIBS="-mt_mpi"
157
            MPI_LIBRARY="Intel MPI"
158
159
160
161
            AC_MSG_RESULT([Intel MPI])
         ;;
         *Platform*)
            MPI_THREAD_LIBS="-lmtmpi"
162
            MPI_LIBRARY="PLATFORM MPI"
163
164
165
166
            AC_MSG_RESULT([PLATFORM MPI])
         ;;
         *"Open MPI"*)
            MPI_THREAD_LIBS=""
167
            MPI_LIBRARY="Open MPI"
168
            AC_MSG_RESULT([Open MPI])
169
170
171
172
173
174
175
176
177
            #  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 $revision)])
                enable_mpi="yes (but with warning)"
            fi
178
179
180
181
182
183
184
185
         ;;
         *)
            MPI_THREAD_LIBS=""
            AC_MSG_RESULT([unknown])
         ;;
       esac
       AC_SUBST([MPI_THREAD_LIBS])
    fi
186
    AC_DEFINE_UNQUOTED([SWIFT_MPI_LIBRARY], ["$MPI_LIBRARY"], [The MPI library name, if known.])
187
fi
188
AM_CONDITIONAL([HAVEMPI],[test $enable_mpi = "yes"])
189

Peter W. Draper's avatar
Peter W. Draper committed
190
# Indicate that MPIRUN can be modified by an environment variable
191
192
AC_ARG_VAR(MPIRUN, Path to the mpirun command if non-standard)

193
194
195
# Add libtool support (now that CC is defined).
LT_INIT

196
# Need C99 and inline support.
Pedro Gonnet's avatar
Pedro Gonnet committed
197
AC_PROG_CC_C99
Peter W. Draper's avatar
Peter W. Draper committed
198
199
AC_C_INLINE

200
201
202
203
# 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
204
205
206
207
208
209
      # 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 $inline_EXTRA_FLAGS"
210
211
212
213
214
   elif test "$ax_cv_c_compiler_vendor" = "intel"; then
      CFLAGS="$CFLAGS -debug inline-debug-info"
   fi
fi

215
216
217
218
219
220
221
222
223
224
225
226
# 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

227
228
229
230
231
232
233
234
235
236
# 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])
237
   LDFLAGS="$LDFLAGS -rdynamic"
238
239
fi

240
241
242
243
244
245
246
247
248
249
250
251
# 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

252
253
254
255
256
257
258
259
260
261
262
263
# 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

264
265
266
267
268
269
270
271
272
273
274
275
# 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

276
277
278
279
280
281
282
283
284
285
286
287
288
289
# 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

290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
# 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


305
# Define HAVE_POSIX_MEMALIGN if it works.
Pedro Gonnet's avatar
Pedro Gonnet committed
306
307
AX_FUNC_POSIX_MEMALIGN

308
309
# Only optimize if allowed, otherwise assume user will set CFLAGS as
# appropriate.
310
AC_ARG_ENABLE([optimization],
311
   [AS_HELP_STRING([--enable-optimization],
312
     [Enable compile time optimization flags for host @<:@yes/no@:>@]
313
314
315
   )],
   [enable_opt="$enableval"],
   [enable_opt="yes"]
316
317
)

318
319
320
321
322
323
324
325
326
327
328
329
330
331
#  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

332
if test "$enable_opt" = "yes" ; then
333
334
335
336
337
338
339
340
341

   # 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"
342
343
344
345
346
347
348
349
350
351

   # 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
352
353
354
355
356
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="$CFLAGS -fno-vectorize -fno-slp-vectorize"
         AC_MSG_RESULT([disabled clang vectorization])
      else
         AC_MSG_WARN([Do not know how to disable vectorization for this compiler])
      fi
   else
      AC_DEFINE([WITH_VECTORIZATION],1,[Enable vectorization])
      HAVEVECTORIZATION=1
   fi
371
fi
372
373
AM_CONDITIONAL([HAVEVECTORIZATION],[test -n "$HAVEVECTORIZATION"])

Peter W. Draper's avatar
Peter W. Draper committed
374

375
# Add address sanitizer options to flags, if requested. Only useful for GCC
376
# version 4.8 and later and clang.
377
AC_ARG_ENABLE([sanitizer],
378
   [AS_HELP_STRING([--enable-sanitizer],
379
     [Enable memory error detection using address sanitizer @<:@no/yes@:>@]
380
381
382
   )],
   [enable_san="$enableval"],
   [enable_san="no"]
383
384
)

385
386
387
388
if test "$enable_san" = "yes"; then
   if test "$ax_cv_c_compiler_vendor" = "gnu"; then
      AX_COMPARE_VERSION( $ax_cv_c_compiler_version, [ge], [4.8.0],
                          [enable_san="yes"], [enable_san="no"] )
389
390
391
392
393
394
   elif test "$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"
395
      AC_MSG_RESULT([added address sanitizer support])
396
397
   else
      AC_MSG_WARN([Compiler does not support address sanitizer option])
398
399
400
   fi
fi

401
# Autoconf stuff.
Pedro Gonnet's avatar
Pedro Gonnet committed
402
403
404
405
AC_PROG_INSTALL
AC_PROG_MAKE_SET
AC_HEADER_STDC

406
# Check for the libraries we will need.
Pedro Gonnet's avatar
Pedro Gonnet committed
407
408
AC_CHECK_LIB(m,sqrt,,AC_MSG_ERROR(something is wrong with the math library!))

409
# Check for pthreads.
410
AX_PTHREAD([LIBS="$PTHREAD_LIBS $LIBS" CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
411
    CC="$PTHREAD_CC" LDFLAGS="$LDFLAGS $PTHREAD_LIBS $LIBS"],
Pedro Gonnet's avatar
Pedro Gonnet committed
412
413
414
415
    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.]))
416

417
# Check whether POSIX thread barriers are implemented (e.g. OSX does not have them)
418
have_pthread_barrier="no"
419
AC_CHECK_LIB(pthread, pthread_barrier_init,
420
	     have_pthread_barrier="yes",
421
	     AC_MSG_WARN(POSIX implementation does not have barriers. SWIFT will use home-made ones.))
422
423
424
if test "x$have_pthread_barrier" == "xyes"; then
  AC_DEFINE([HAVE_PTHREAD_BARRIERS], [1], [The posix library implements barriers])
fi
425

426
427
428
429
# 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.))
430

Peter W. Draper's avatar
Peter W. Draper committed
431
# Check for METIS. Note AX_LIB_METIS exists, but cannot be configured
432
433
# to be default off (i.e. given no option it tries to locate METIS), so we
# don't use that.
434
have_metis="no"
435
AC_ARG_WITH([metis],
436
    [AS_HELP_STRING([--with-metis=PATH],
437
       [root directory where metis is installed @<:@yes/no@:>@]
438
439
440
441
442
443
    )],
    [],
    [with_metis="no"]
)
if test "x$with_metis" != "xno"; then
   if test "x$with_metis" != "xyes" -a "x$with_metis" != "x"; then
444
445
      METIS_LIBS="-L$with_metis/lib -lmetis"
      METIS_INCS="-I$with_metis/include"
446
   else
447
      METIS_LIBS="-lmetis"
448
      METIS_INCS=""
449
   fi
450
   have_metis="yes"
451
452
   AC_CHECK_LIB([metis],[METIS_PartGraphKway],
      AC_DEFINE([HAVE_METIS],1,[The metis library appears to be present.]),
453
      AC_MSG_ERROR(something is wrong with the metis library!),$METIS_LIBS)
454
fi
455
AC_SUBST([METIS_LIBS])
456
AC_SUBST([METIS_INCS])
457
AM_CONDITIONAL([HAVEMETIS],[test -n "$METIS_LIBS"])
458

459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
# 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="no"]
)
if test "x$with_grackle" != "xno"; then
   AC_FC_LIBRARY_LDFLAGS
   if test "x$with_grackle" != "xyes" -a "x$with_grackle" != "x"; then
      GRACKLE_LIBS="-L$with_grackle/lib -lgrackle $FCLIBS"
      GRACKLE_INCS="-I$with_grackle/include"
   else
      GRACKLE_LIBS="-lgrackle $FCLIBS"
      GRACKLE_INCS=""
   fi
lhausamm's avatar
lhausamm committed
477
   
478
   have_grackle="yes"
lhausamm's avatar
lhausamm committed
479
      
480
481
482
   AC_CHECK_LIB(
      [grackle],
      [initialize_grackle],
lhausamm's avatar
lhausamm committed
483
484
485
      [AC_DEFINE([HAVE_GRACKLE],1,[The GRACKLE library appears to be present.]),
        AC_DEFINE([CONFIG_BFLOAT_8],1,[Use doubles in grackle])
      ],
486
      [AC_MSG_ERROR(Cannot find grackle library!)],
lhausamm's avatar
lhausamm committed
487
      [$GRACKLE_LIBS $GRACKLE_INCS]
488
489
490
491
492
493
494
   )
fi
AC_SUBST([GRACKLE_LIBS])
AC_SUBST([GRACKLE_INCS])
AM_CONDITIONAL([HAVEGRACKLE],[test -n "$GRACKLE_LIBS"])


495
496
497
498
499
500
501
502
503
504
#  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
505
   if test "x$with_tcmalloc" != "xyes" -a "x$with_tcmalloc" != "x"; then
506
      tclibs="-L$with_tcmalloc -ltcmalloc"
507
   else
508
      tclibs="-ltcmalloc"
509
510
   fi
   AC_CHECK_LIB([tcmalloc],[tc_cfree],[have_tcmalloc="yes"],[have_tcmalloc="no"],
511
                $tclibs)
512
513
514

   #  Could just have the minimal version.
   if test "$have_tcmalloc" = "no"; then
Peter W. Draper's avatar
Peter W. Draper committed
515
      if test "x$with_tcmalloc" != "xyes" -a "x$with_tcmalloc" != "x"; then
516
         tclibs="-L$with_tcmalloc -ltcmalloc_minimal"
517
      else
518
         tclibs="-ltcmalloc_minimal"
519
520
      fi
      AC_CHECK_LIB([tcmalloc],[tc_cfree],[have_tcmalloc="yes"],[have_tcmalloc="no"],
521
                   $tclibs)
522
   fi
Pedro Gonnet's avatar
Pedro Gonnet committed
523

524
525
526
527
   if test "$have_tcmalloc" = "yes"; then
      TCMALLOC_LIBS="$tclibs"

      # These are recommended for GCC.
528
      if test "$ax_cv_c_compiler_vendor" = "gnu"; then
529
530
531
532
         CFLAGS="$CFLAGS -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free"
      fi
   else
      TCMALLOC_LIBS=""
533
534
535
536
537
   fi
fi
AC_SUBST([TCMALLOC_LIBS])
AM_CONDITIONAL([HAVETCMALLOC],[test -n "$TCMALLOC_LIBS"])

538
#  Check for -lprofiler usually part of the gperftools along with tcmalloc.
539
540
541
542
543
544
545
546
547
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
548
   if test "x$with_profiler" != "xyes" -a "x$with_profiler" != "x"; then
549
      proflibs="-L$with_profiler -lprofiler"
550
   else
551
      proflibs="-lprofiler"
552
553
   fi
   AC_CHECK_LIB([profiler],[ProfilerFlush],[have_profiler="yes"],[have_profiler="no"],
554
555
556
557
558
559
560
                $proflibs)

   if test "$have_profiler" = "yes"; then
      PROFILER_LIBS="$proflibs"
   else
      PROFILER_LIBS=""
   fi
561
562
563
fi
AC_SUBST([PROFILER_LIBS])
AM_CONDITIONAL([HAVEPROFILER],[test -n "$PROFILER_LIBS"])
Pedro Gonnet's avatar
Pedro Gonnet committed
564

Peter W. Draper's avatar
Peter W. Draper committed
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
#  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

597
# Check for HDF5. This is required.
598
AX_LIB_HDF5
599
600
601
602
if test "$with_hdf5" != "yes"; then
    AC_MSG_ERROR([Could not find a working HDF5 library])
fi

603
604
605
# 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.
606
607
have_parallel_hdf5="no"
if test "$with_hdf5" = "yes"; then
608
609
    AC_ARG_ENABLE([parallel-hdf5],
       [AS_HELP_STRING([--enable-parallel-hdf5],
610
         [Enable parallel HDF5 library MPI functions if available. @<:@yes/no@:>@]
611
612
613
614
615
616
617
       )],
       [enable_parallel_hdf5="$enableval"],
       [enable_parallel_hdf5="yes"]
    )

    if test "$enable_parallel_hdf5" = "yes"; then
        AC_MSG_CHECKING([for HDF5 parallel support])
618
619
620
621
622
623
624
625
# 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"])
626
627
628
629
630
        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)
631
632
633
634
    fi
fi
AM_CONDITIONAL([HAVEPARALLELHDF5],[test "$have_parallel_hdf5" = "yes"])

635
636
637
638
# 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.]))

639
# Check for setaffinity.
640
AC_CHECK_FUNC(pthread_setaffinity_np, AC_DEFINE([HAVE_SETAFFINITY],[1],
Pedro Gonnet's avatar
Pedro Gonnet committed
641
    [Defined if pthread_setaffinity_np exists.]) )
642
643
AM_CONDITIONAL(HAVESETAFFINITY,
    [test "$ac_cv_func_pthread_setaffinity_np" = "yes"])
644

645
have_numa="no"
646
647
648
649
650
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])
651
    have_numa="yes"
652
653
  fi
fi
Angus Lepper's avatar
Angus Lepper committed
654

655
656
657
658
659
660
661
662
663
664
665
# 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
666
# Check for Intel and PowerPC intrinsics header optionally used by vector.h.
667
AC_CHECK_HEADERS([immintrin.h])
Pedro Gonnet's avatar
Pedro Gonnet committed
668
AC_CHECK_HEADERS([altivec.h])
669

670
# Check for timing functions needed by cycle.h.
Pedro Gonnet's avatar
Pedro Gonnet committed
671
672
AC_HEADER_TIME
AC_CHECK_HEADERS([sys/time.h c_asm.h intrinsics.h mach/mach_time.h])
673
674
675
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
676
677
678
679
680
#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
681
682
AC_LINK_IFELSE([AC_LANG_PROGRAM(
[[#ifdef HAVE_INTRINSICS_H
Pedro Gonnet's avatar
Pedro Gonnet committed
683
#include <intrinsics.h>
684
#endif]],
685
686
[[_rtc()]])],
[AC_DEFINE(HAVE__RTC,1,[Define if you have the UNICOS _rtc() intrinsic.])],[rtc_ok=no])
Pedro Gonnet's avatar
Pedro Gonnet committed
687
688
AC_MSG_RESULT($rtc_ok)

689
# Add warning flags by default, if these can be used. Option =error adds
690
# -Werror to GCC, clang and Intel.  Note do this last as compiler tests may
691
# become errors, if that's an issue don't use CFLAGS for these, use an AC_SUBST().
692
693
AC_ARG_ENABLE([compiler-warnings],
   [AS_HELP_STRING([--enable-compiler-warnings],
694
     [Enable compile time warning flags, if compiler is known @<:@error/no/yes)@:>@]
695
696
   )],
   [enable_warn="$enableval"],
697
   [enable_warn="error"]
698
699
)
if test "$enable_warn" != "no"; then
700

701
    # AX_CFLAGS_WARN_ALL does not give good warning flags for the Intel compiler
702
    # We will do this by hand instead and only default to the macro for unknown compilers
703
704
    case "$ax_cv_c_compiler_vendor" in
          gnu | clang)
705
             CFLAGS="$CFLAGS -Wall -Wextra -Wno-unused-parameter -Wshadow"
706
          ;;
707
	  intel)
708
             CFLAGS="$CFLAGS -w2 -Wunused-variable -Wshadow"
709
          ;;
710
711
712
	  *)
	     AX_CFLAGS_WARN_ALL
	  ;;
713
    esac
714

715
    # Add a "choke on warning" flag if it exists
716
    if test "$enable_warn" = "error"; then
717
       case "$ax_cv_c_compiler_vendor" in
718
          intel | gnu | clang)
719
720
721
             CFLAGS="$CFLAGS -Werror"
          ;;
       esac
722
    fi
723
724
fi

725
726
727
728
729
# Various package configuration options.

# Hydro scheme.
AC_ARG_WITH([hydro],
   [AS_HELP_STRING([--with-hydro=<scheme>],
730
      [Hydro dynamics to use @<:@gadget2, minimal, hopkins, default, gizmo, shadowfax debug default: gadget2@:>@]
731
732
733
734
735
736
   )],
   [with_hydro="$withval"],
   [with_hydro="gadget2"]
)
case "$with_hydro" in
   gadget2)
737
      AC_DEFINE([GADGET2_SPH], [1], [Gadget-2 SPH])
738
739
740
741
742
   ;; 
   minimal)
      AC_DEFINE([MINIMAL_SPH], [1], [Minimal SPH])
   ;; 
   hopkins)
743
      AC_DEFINE([HOPKINS_PE_SPH], [1], [Pressure-Entropy SPH])
744
745
746
747
748
749
750
   ;; 
   default)
      AC_DEFINE([DEFAULT_SPH], [1], [Default SPH])
   ;; 
   gizmo)
      AC_DEFINE([GIZMO_SPH], [1], [GIZMO SPH])
   ;; 
751
752
753
   shadowfax)
      AC_DEFINE([SHADOWFAX_SPH], [1], [Shadowfax SPH])
   ;; 
754
755

   *)
756
      AC_MSG_ERROR([Unknown hydrodynamics scheme: $with_hydro])
757
758
759
   ;;
esac

760
761
762
# Check if debugging interactions is switched on.
AC_ARG_ENABLE([debug-interactions],
   [AS_HELP_STRING([--enable-debug-interactions],
763
     [Activate interaction debugging, logging a maximum of @<:@N@:>@ neighbours. Defaults to 256 if no value set.]
764
765
766
767
   )],
   [enable_debug_interactions="$enableval"],
   [enable_debug_interactions="no"]
)
768
if test "$enable_debug_interactions" != "no"; then
769
  if test "$with_hydro" = "gadget2"; then
770
771
772
773
774
775
776
777
      AC_DEFINE([DEBUG_INTERACTIONS_SPH],1,[Enable interaction debugging])
    if test "$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
778
779
780
781
782
  else 
    [enable_debug_interactions="no (only available for gadget2 hydro scheme)"]
  fi
fi

783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
# 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

815
816
#  Dimensionality of the hydro scheme.
AC_ARG_WITH([hydro-dimension],
817
818
   [AS_HELP_STRING([--with-hydro-dimension=<dim>],
      [dimensionality of problem @<:@3/2/1 default: 3@:>@]
819
820
821
822
823
824
   )],
   [with_dimension="$withval"],
   [with_dimension="3"]
)
case "$with_dimension" in
   1)
825
      AC_DEFINE([HYDRO_DIMENSION_1D], [1], [1D solver])
826
827
   ;; 
   2)
828
      AC_DEFINE([HYDRO_DIMENSION_2D], [2], [2D solver])
829
830
   ;; 
   3)
831
      AC_DEFINE([HYDRO_DIMENSION_3D], [3], [3D solver])
832
833
834
835
836
837
   ;; 
   *)
      AC_MSG_ERROR([Dimensionality must be 1, 2 or 3])
   ;;
esac

838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
#  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

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
#  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

910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
#  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>],
939
      [external potential @<:@none, point-mass, isothermal, softened-isothermal, disc-patch, sine-wave default: none@:>@]
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
   )],
   [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])
   ;; 
957
958
959
   sine-wave)
      AC_DEFINE([EXTERNAL_POTENTIAL_SINE_WAVE], [1], [Sine wave external potential in 1D])
   ;; 
960
961
962
963
   *)
      AC_MSG_ERROR([Unknown external potential: $with_potential])
   ;;
esac
964

965
966
967
#  Gravity multipole order
AC_ARG_WITH([multipole-order],
   [AS_HELP_STRING([--with-multipole-order=<order>],
968
      [order of the multipole and gravitational field expansion @<:@ default: 5@:>@]
969
970
   )],
   [with_multipole_order="$withval"],
971
   [with_multipole_order="5"]
972
973
)
AC_DEFINE_UNQUOTED([SELF_GRAVITY_MULTIPOLE_ORDER], [$with_multipole_order], [Multipole order])
974
975


976
977
978
# Check for git, needed for revision stamps.
AC_PATH_PROG([GIT_CMD], [git])
AC_SUBST([GIT_CMD])
979

980
# Make the documentation. Add conditional to handle disable option.
981
DX_INIT_DOXYGEN(libswift,doc/Doxyfile,doc/)
982
AM_CONDITIONAL([HAVE_DOXYGEN], [test "$ac_cv_path_ac_pt_DX_DOXYGEN" != ""])
Pedro Gonnet's avatar
Pedro Gonnet committed
983

984
# Handle .in files.
985
AC_CONFIG_FILES([Makefile src/Makefile examples/Makefile doc/Makefile doc/Doxyfile tests/Makefile])
986
AC_CONFIG_FILES([tests/testReading.sh], [chmod +x tests/testReading.sh])
987
AC_CONFIG_FILES([tests/testActivePair.sh], [chmod +x tests/testActivePair.sh])
988
989
AC_CONFIG_FILES([tests/test27cells.sh], [chmod +x tests/test27cells.sh])
AC_CONFIG_FILES([tests/test27cellsPerturbed.sh], [chmod +x tests/test27cellsPerturbed.sh])
990
AC_CONFIG_FILES([tests/test125cells.sh], [chmod +x tests/test125cells.sh])
991
AC_CONFIG_FILES([tests/test125cellsPerturbed.sh], [chmod +x tests/test125cellsPerturbed.sh])
992
AC_CONFIG_FILES([tests/testPeriodicBC.sh], [chmod +x tests/testPeriodicBC.sh])
993
AC_CONFIG_FILES([tests/testPeriodicBCPerturbed.sh], [chmod +x tests/testPeriodicBCPerturbed.sh])
994
AC_CONFIG_FILES([tests/testInteractions.sh], [chmod +x tests/testInteractions.sh])
995
AC_CONFIG_FILES([tests/testParser.sh], [chmod +x tests/testParser.sh])
Pedro Gonnet's avatar
Pedro Gonnet committed
996

997
998
999
# Save the compilation options
AC_DEFINE_UNQUOTED([SWIFT_CONFIG_FLAGS],["$swift_config_flags"],[Flags passed to configure])

1000
1001
1002
1003
1004
1005
# Make sure the latest git revision string gets included
touch src/version.c

# Generate output.
AC_OUTPUT

1006
# Report general configuration.
1007
1008
AC_MSG_RESULT([ 
 ------- Summary --------
1009
1010
1011

   $PACKAGE_NAME v.$PACKAGE_VERSION

1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
   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
   Metis enabled    : $have_metis
   FFTW3 enabled    : $have_fftw3
   libNUMA enabled  : $have_numa
1022
   GRACKLE enabled  : $have_grackle
1023
1024
1025
1026
   Using tcmalloc   : $have_tcmalloc
   Using jemalloc   : $have_jemalloc
   CPU profiler     : $have_profiler
   Pthread barriers : $have_pthread_barrier
1027
1028
1029
1030
1031
1032

   Hydro scheme       : $with_hydro
   Dimensionality     : $with_dimension
   Kernel function    : $with_kernel
   Equation of state  : $with_eos
   Adiabatic index    : $with_gamma
1033
   Riemann solver     : $with_riemann
1034
   Cooling function   : $with_cooling
1035
1036
1037
1038
1039
   
   External potential  : $with_potential
   Multipole order     : $with_multipole_order
   No gravity below ID : $no_gravity_below_id

1040
1041
1042
1043
1044
1045
1046
   Individual timers     : $enable_timers
   Task debugging        : $enable_task_debugging
   Threadpool debugging  : $enable_threadpool_debugging
   Debugging checks      : $enable_debugging_checks
   Interaction debugging : $enable_debug_interactions
   Naive interactions    : $enable_naive_interactions
   Gravity checks        : $gravity_force_checks
1047
1048

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