configure.ac 26.2 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],[0.5.0],[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
108
    if test "$MPIRUN" = "notfound"; then
       AC_MSG_WARN([Cannot find mpirun command on PATH, thread support may not be correct])
109
       enable_mpi="no"
110
111
112
113
114
115
116
117
118
119
120
    else
       # Special options we know about.
       # Intel: -mt_mpi
       # PLATFORM: -lmtmpi
       # OpenMPI: nothing, but library should be built correctly.
       # Set MPI_THREAD_LIBS and add to linker commands as necessary.
       AC_MSG_CHECKING([MPI threads options])
       version=`$MPIRUN -version 2>&1`
       case "$version" in
         *Intel*MPI*)
            MPI_THREAD_LIBS="-mt_mpi"
121
            MPI_LIBRARY="Intel MPI"
122
123
124
125
            AC_MSG_RESULT([Intel MPI])
         ;;
         *Platform*)
            MPI_THREAD_LIBS="-lmtmpi"
126
            MPI_LIBRARY="PLATFORM MPI"
127
128
129
130
            AC_MSG_RESULT([PLATFORM MPI])
         ;;
         *"Open MPI"*)
            MPI_THREAD_LIBS=""
131
            MPI_LIBRARY="Open MPI"
132
            AC_MSG_RESULT([Open MPI])
133
134
135
136
137
138
139
140
141
            #  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 $revision)])
                enable_mpi="yes (but with warning)"
            fi
142
143
144
145
146
147
148
149
         ;;
         *)
            MPI_THREAD_LIBS=""
            AC_MSG_RESULT([unknown])
         ;;
       esac
       AC_SUBST([MPI_THREAD_LIBS])
    fi
150
    AC_DEFINE_UNQUOTED([SWIFT_MPI_LIBRARY], ["$MPI_LIBRARY"], [The MPI library name, if known.])
151
fi
152
AM_CONDITIONAL([HAVEMPI],[test $enable_mpi = "yes"])
153

154
155
156
# Indicate that MPIRUN can be modified by an environement variable
AC_ARG_VAR(MPIRUN, Path to the mpirun command if non-standard)

157
158
159
# Add libtool support (now that CC is defined).
LT_INIT

160
# Need C99 and inline support.
Pedro Gonnet's avatar
Pedro Gonnet committed
161
AC_PROG_CC_C99
Peter W. Draper's avatar
Peter W. Draper committed
162
163
AC_C_INLINE

164
165
166
167
# 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
168
169
170
171
172
173
      # 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 $inline_EXTRA_FLAGS"
174
175
176
177
178
   elif test "$ax_cv_c_compiler_vendor" = "intel"; then
      CFLAGS="$CFLAGS -debug inline-debug-info"
   fi
fi

179
180
181
182
183
184
185
186
187
188
189
190
# 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

191
192
193
194
195
196
197
198
199
200
201
202
# 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

203
# Define HAVE_POSIX_MEMALIGN if it works.
Pedro Gonnet's avatar
Pedro Gonnet committed
204
205
AX_FUNC_POSIX_MEMALIGN

206
207
# Only optimize if allowed, otherwise assume user will set CFLAGS as
# appropriate.
208
AC_ARG_ENABLE([optimization],
209
   [AS_HELP_STRING([--enable-optimization],
210
     [Enable compile time optimization flags for host @<:@yes/no@:>@]
211
212
213
   )],
   [enable_opt="$enableval"],
   [enable_opt="yes"]
214
215
)

216
217
218
219
220
221
222
223
224
225
226
227
228
229
#  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

230
if test "$enable_opt" = "yes" ; then
231
232
233
234
235
236
237
238
239

   # 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"
240
241
242
243
244
245
246
247
248
249

   # 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
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268


   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="$CFLAGS -fno-vectorize -fno-slp-vectorize"
         AC_MSG_RESULT([disabled clang vectorization])
      else
         AC_MSG_WARN([Do not know how to disable vectorization for this compiler])
      fi
   else
      AC_DEFINE([WITH_VECTORIZATION],1,[Enable vectorization])
      HAVEVECTORIZATION=1
   fi
269
fi
270
271
AM_CONDITIONAL([HAVEVECTORIZATION],[test -n "$HAVEVECTORIZATION"])

Peter W. Draper's avatar
Peter W. Draper committed
272

273
# Add address sanitizer options to flags, if requested. Only useful for GCC
274
# version 4.8 and later and clang.
275
AC_ARG_ENABLE([sanitizer],
276
   [AS_HELP_STRING([--enable-sanitizer],
277
     [Enable memory error detection using address sanitizer @<:@no/yes@:>@]
278
279
280
   )],
   [enable_san="$enableval"],
   [enable_san="no"]
281
282
)

283
284
285
286
if test "$enable_san" = "yes"; then
   if test "$ax_cv_c_compiler_vendor" = "gnu"; then
      AX_COMPARE_VERSION( $ax_cv_c_compiler_version, [ge], [4.8.0],
                          [enable_san="yes"], [enable_san="no"] )
287
288
289
290
291
292
   elif test "$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"
293
      AC_MSG_RESULT([added address sanitizer support])
294
295
   else
      AC_MSG_WARN([Compiler does not support address sanitizer option])
296
297
298
   fi
fi

299
# Autoconf stuff.
Pedro Gonnet's avatar
Pedro Gonnet committed
300
301
302
303
AC_PROG_INSTALL
AC_PROG_MAKE_SET
AC_HEADER_STDC

304
# Check for the libraries we will need.
Pedro Gonnet's avatar
Pedro Gonnet committed
305
306
AC_CHECK_LIB(m,sqrt,,AC_MSG_ERROR(something is wrong with the math library!))

307
# Check for pthreads.
308
AX_PTHREAD([LIBS="$PTHREAD_LIBS $LIBS" CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
309
    CC="$PTHREAD_CC" LDFLAGS="$LDFLAGS $PTHREAD_LIBS $LIBS"],
Pedro Gonnet's avatar
Pedro Gonnet committed
310
311
312
313
    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.]))
314

315

316
317
318
# 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.
319
have_metis="no"
320
AC_ARG_WITH([metis],
321
    [AS_HELP_STRING([--with-metis=PATH],
322
       [root directory where metis is installed @<:@yes/no@:>@]
323
324
325
326
327
328
    )],
    [],
    [with_metis="no"]
)
if test "x$with_metis" != "xno"; then
   if test "x$with_metis" != "xyes" -a "x$with_metis" != "x"; then
329
330
      METIS_LIBS="-L$with_metis/lib -lmetis"
      METIS_INCS="-I$with_metis/include"
331
   else
332
      METIS_LIBS="-lmetis"
333
      METIS_INCS=""
334
   fi
335
   have_metis="yes"
336
337
   AC_CHECK_LIB([metis],[METIS_PartGraphKway],
      AC_DEFINE([HAVE_METIS],1,[The metis library appears to be present.]),
338
      AC_MSG_ERROR(something is wrong with the metis library!),$METIS_LIBS)
339
fi
340
AC_SUBST([METIS_LIBS])
341
AC_SUBST([METIS_INCS])
342
AM_CONDITIONAL([HAVEMETIS],[test -n "$METIS_LIBS"])
343

344
345
346
347
348
349
350
351
352
353
#  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
354
   if test "x$with_tcmalloc" != "xyes" -a "x$with_tcmalloc" != "x"; then
355
      tclibs="-L$with_tcmalloc -ltcmalloc"
356
   else
357
      tclibs="-ltcmalloc"
358
359
   fi
   AC_CHECK_LIB([tcmalloc],[tc_cfree],[have_tcmalloc="yes"],[have_tcmalloc="no"],
360
                $tclibs)
361
362
363

   #  Could just have the minimal version.
   if test "$have_tcmalloc" = "no"; then
Peter W. Draper's avatar
Peter W. Draper committed
364
      if test "x$with_tcmalloc" != "xyes" -a "x$with_tcmalloc" != "x"; then
365
         tclibs="-L$with_tcmalloc -ltcmalloc_minimal"
366
      else
367
         tclibs="-ltcmalloc_minimal"
368
369
      fi
      AC_CHECK_LIB([tcmalloc],[tc_cfree],[have_tcmalloc="yes"],[have_tcmalloc="no"],
370
                   $tclibs)
371
   fi
Pedro Gonnet's avatar
Pedro Gonnet committed
372

373
374
375
376
   if test "$have_tcmalloc" = "yes"; then
      TCMALLOC_LIBS="$tclibs"

      # These are recommended for GCC.
377
      if test "$ax_cv_c_compiler_vendor" = "gnu"; then
378
379
380
381
         CFLAGS="$CFLAGS -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free"
      fi
   else
      TCMALLOC_LIBS=""
382
383
384
385
386
   fi
fi
AC_SUBST([TCMALLOC_LIBS])
AM_CONDITIONAL([HAVETCMALLOC],[test -n "$TCMALLOC_LIBS"])

387
#  Check for -lprofiler usually part of the gperftools along with tcmalloc.
388
389
390
391
392
393
394
395
396
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
397
   if test "x$with_profiler" != "xyes" -a "x$with_profiler" != "x"; then
398
      proflibs="-L$with_profiler -lprofiler"
399
   else
400
      proflibs="-lprofiler"
401
402
   fi
   AC_CHECK_LIB([profiler],[ProfilerFlush],[have_profiler="yes"],[have_profiler="no"],
403
404
405
406
407
408
409
                $proflibs)

   if test "$have_profiler" = "yes"; then
      PROFILER_LIBS="$proflibs"
   else
      PROFILER_LIBS=""
   fi
410
411
412
fi
AC_SUBST([PROFILER_LIBS])
AM_CONDITIONAL([HAVEPROFILER],[test -n "$PROFILER_LIBS"])
Pedro Gonnet's avatar
Pedro Gonnet committed
413

Peter W. Draper's avatar
Peter W. Draper committed
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
#  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

446
# Check for HDF5. This is required.
447
AX_LIB_HDF5
448

449
450
451
452
if test "$with_hdf5" != "yes"; then
    AC_MSG_ERROR([Could not find a working HDF5 library])
fi

453
454
455
456
# 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.
# To do this need to ask the HDF5 compiler about its configuration,
457
# -showconfig should have yes/no.
458
459
have_parallel_hdf5="no"
if test "$with_hdf5" = "yes"; then
460
461
    AC_ARG_ENABLE([parallel-hdf5],
       [AS_HELP_STRING([--enable-parallel-hdf5],
462
         [Enable parallel HDF5 library MPI functions if available. @<:@yes/no@:>@]
463
464
465
466
467
468
469
470
471
472
473
474
475
       )],
       [enable_parallel_hdf5="$enableval"],
       [enable_parallel_hdf5="yes"]
    )

    if test "$enable_parallel_hdf5" = "yes"; then
        AC_MSG_CHECKING([for HDF5 parallel support])
        parallel=`$H5CC -showconfig | grep "Parallel HDF5:" | awk '{print $3}'`
        if test "$parallel" = "yes"; then
            have_parallel_hdf5="yes"
            AC_DEFINE([HAVE_PARALLEL_HDF5],1,[HDF5 library supports parallel access])
        fi
        AC_MSG_RESULT($parallel)
476
477
478
479
    fi
fi
AM_CONDITIONAL([HAVEPARALLELHDF5],[test "$have_parallel_hdf5" = "yes"])

480
# Check for setaffinity.
481
AC_CHECK_FUNC(pthread_setaffinity_np, AC_DEFINE([HAVE_SETAFFINITY],[1],
Pedro Gonnet's avatar
Pedro Gonnet committed
482
    [Defined if pthread_setaffinity_np exists.]) )
483
484
AM_CONDITIONAL(HAVESETAFFINITY,
    [test "$ac_cv_func_pthread_setaffinity_np" = "yes"])
485

486
have_numa="no"
487
488
489
490
491
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])
492
    have_numa="yes"
493
494
  fi
fi
Angus Lepper's avatar
Angus Lepper committed
495

496
497
498
499
500
501
502
503
504
505
506
# 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
507
# Check for Intel and PowerPC intrinsics header optionally used by vector.h.
508
AC_CHECK_HEADERS([immintrin.h])
Pedro Gonnet's avatar
Pedro Gonnet committed
509
AC_CHECK_HEADERS([altivec.h])
510

511
# Check for timing functions needed by cycle.h.
Pedro Gonnet's avatar
Pedro Gonnet committed
512
513
AC_HEADER_TIME
AC_CHECK_HEADERS([sys/time.h c_asm.h intrinsics.h mach/mach_time.h])
514
515
516
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
517
518
519
520
521
#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
522
523
AC_LINK_IFELSE([AC_LANG_PROGRAM(
[[#ifdef HAVE_INTRINSICS_H
Pedro Gonnet's avatar
Pedro Gonnet committed
524
#include <intrinsics.h>
525
#endif]],
526
527
[[_rtc()]])],
[AC_DEFINE(HAVE__RTC,1,[Define if you have the UNICOS _rtc() intrinsic.])],[rtc_ok=no])
Pedro Gonnet's avatar
Pedro Gonnet committed
528
529
AC_MSG_RESULT($rtc_ok)

530
# Add warning flags by default, if these can be used. Option =error adds
531
# -Werror to GCC, clang and Intel.  Note do this last as compiler tests may
532
# become errors, if that's an issue don't use CFLAGS for these, use an AC_SUBST().
533
534
AC_ARG_ENABLE([compiler-warnings],
   [AS_HELP_STRING([--enable-compiler-warnings],
535
     [Enable compile time warning flags, if compiler is known @<:@error/no/yes)@:>@]
536
537
   )],
   [enable_warn="$enableval"],
538
   [enable_warn="error"]
539
540
)
if test "$enable_warn" != "no"; then
541

542
    # AX_CFLAGS_WARN_ALL does not give good warning flags for the Intel compiler
543
    # We will do this by hand instead and only default to the macro for unknown compilers
544
545
    case "$ax_cv_c_compiler_vendor" in
          gnu | clang)
546
             CFLAGS="$CFLAGS -Wall -Wextra -Wno-unused-parameter"
547
          ;;
548
	  intel)
549
             CFLAGS="$CFLAGS -w2 -Wunused-variable"
550
          ;;
551
552
553
	  *)
	     AX_CFLAGS_WARN_ALL
	  ;;
554
    esac
555

556
    # Add a "choke on warning" flag if it exists
557
    if test "$enable_warn" = "error"; then
558
       case "$ax_cv_c_compiler_vendor" in
559
          intel | gnu | clang)
560
561
562
             CFLAGS="$CFLAGS -Werror"
          ;;
       esac
563
    fi
564
565
fi

566
567
568
569
570
# Various package configuration options.

# Hydro scheme.
AC_ARG_WITH([hydro],
   [AS_HELP_STRING([--with-hydro=<scheme>],
571
      [Hydro dynamics to use @<:@gadget2, minimal, hopkins, default, gizmo default: gadget2@:>@]
572
573
574
575
576
577
   )],
   [with_hydro="$withval"],
   [with_hydro="gadget2"]
)
case "$with_hydro" in
   gadget2)
578
      AC_DEFINE([GADGET2_SPH], [1], [Gadget-2 SPH])
579
580
581
582
583
   ;; 
   minimal)
      AC_DEFINE([MINIMAL_SPH], [1], [Minimal SPH])
   ;; 
   hopkins)
584
      AC_DEFINE([HOPKINS_PE_SPH], [1], [Pressure-Entropy SPH])
585
586
587
588
589
590
591
592
593
   ;; 
   default)
      AC_DEFINE([DEFAULT_SPH], [1], [Default SPH])
   ;; 
   gizmo)
      AC_DEFINE([GIZMO_SPH], [1], [GIZMO SPH])
   ;; 

   *)
594
      AC_MSG_ERROR([Unknown hydrodynamics scheme: $with_hydro])
595
596
597
   ;;
esac

598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
# 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

630
631
#  Dimensionality of the hydro scheme.
AC_ARG_WITH([hydro-dimension],
632
633
   [AS_HELP_STRING([--with-hydro-dimension=<dim>],
      [dimensionality of problem @<:@3/2/1 default: 3@:>@]
634
635
636
637
638
639
640
641
642
   )],
   [with_dimension="$withval"],
   [with_dimension="3"]
)
case "$with_dimension" in
   1)
      AC_DEFINE([HYDRO_DIMENSION_1D], [1], [1D analysis])
   ;; 
   2)
643
      AC_DEFINE([HYDRO_DIMENSION_2D], [2], [2D analysis])
644
645
   ;; 
   3)
646
      AC_DEFINE([HYDRO_DIMENSION_3D], [3], [3D analysis])
647
648
649
650
651
652
   ;; 
   *)
      AC_MSG_ERROR([Dimensionality must be 1, 2 or 3])
   ;;
esac

653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
#  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

699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
#  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

725
726
727
728
729
730
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
#  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>],
      [external potential @<:@none, point-mass, isothermal, softened-isothermal, disc-patch default: none@:>@]
   )],
   [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])
   ;; 
   *)
      AC_MSG_ERROR([Unknown external potential: $with_potential])
   ;;
esac
776
777
778



779
780
781
# Check for git, needed for revision stamps.
AC_PATH_PROG([GIT_CMD], [git])
AC_SUBST([GIT_CMD])
782

783
# Make the documentation. Add conditional to handle disable option.
784
DX_INIT_DOXYGEN(libswift,doc/Doxyfile,doc/)
785
AM_CONDITIONAL([HAVE_DOXYGEN], [test "$ac_cv_path_ac_pt_DX_DOXYGEN" != ""])
Pedro Gonnet's avatar
Pedro Gonnet committed
786

787
# Handle .in files.
788
AC_CONFIG_FILES([Makefile src/Makefile examples/Makefile doc/Makefile doc/Doxyfile tests/Makefile])
789
790
791
792
793
AC_CONFIG_FILES([tests/testReading.sh], [chmod +x tests/testReading.sh])
AC_CONFIG_FILES([tests/testPair.sh], [chmod +x tests/testPair.sh])
AC_CONFIG_FILES([tests/testPairPerturbed.sh], [chmod +x tests/testPairPerturbed.sh])
AC_CONFIG_FILES([tests/test27cells.sh], [chmod +x tests/test27cells.sh])
AC_CONFIG_FILES([tests/test27cellsPerturbed.sh], [chmod +x tests/test27cellsPerturbed.sh])
794
AC_CONFIG_FILES([tests/test125cells.sh], [chmod +x tests/test125cells.sh])
795
AC_CONFIG_FILES([tests/testParser.sh], [chmod +x tests/testParser.sh])
Pedro Gonnet's avatar
Pedro Gonnet committed
796

797
798
799
# Save the compilation options
AC_DEFINE_UNQUOTED([SWIFT_CONFIG_FLAGS],["$swift_config_flags"],[Flags passed to configure])

800
801
# Report general configuration.
AC_MSG_RESULT([
802
803
804
805
806
807
808
   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
809
   Metis enabled   : $have_metis
810
   FFTW3 enabled   : $have_fftw3
811
   libNUMA enabled : $have_numa
812
   Using tcmalloc  : $have_tcmalloc
Peter W. Draper's avatar
Peter W. Draper committed
813
   Using jemalloc  : $have_jemalloc
814
   CPU profiler    : $have_profiler
815
816
817
818
819
820

   Hydro scheme       : $with_hydro
   Dimensionality     : $with_dimension
   Kernel function    : $with_kernel
   Equation of state  : $with_eos
   Adiabatic index    : $with_gamma
821
   Riemann solver     : $with_riemann
822
823
824
825
   Cooling function   : $with_cooling
   External potential : $with_potential
   Task debugging     : $enable_task_debugging
   Debugging checks   : $enable_debugging_checks
826
827
])

828
829
830
# Make sure the latest git revision string gets included
touch src/version.c

831
# Generate output.
832
AC_OUTPUT