configure.ac 29.6 KB
Newer Older
1
AC_PREREQ([2.69])
2

3
# Remember to change the version also in elpa.spec
Andreas Marek's avatar
Andreas Marek committed
4
AC_INIT([elpa],[2016.05.003], [elpa-library@mpcdf.mpg.de])
5

6
AC_SUBST([PACKAGE_VERSION])
7

8
9
10
AC_CONFIG_SRCDIR([src/elpa1.F90])

AM_INIT_AUTOMAKE([foreign -Wall subdir-objects])
11
12
13
14
15
16
17
18
19

# Without this, automake tries to be smart and rebuilt
# the autoconf generated files such as configure, aclocal.m4, etc.,
# in case the timestamps of files such as configure.ac are newer
#
# This only makes trouble for end users with out-of-date autoconf versions
# that cannot produce these files
AM_MAINTAINER_MODE([disable])

20
21
22
23
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_HEADERS([config.h])
AM_SILENT_RULES([yes])

24
25
26
27
28
29
30
31
32
33
34
35
36
# Set the libtool library version, see LIBRARY_INTERFACE
#
# See http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
#
# [c:r:a]
#
# c: The currently implement interface
# r: The revision number of the current interface, that is the number
#    of released source-code changes for the current interface
# a: The "age" is the number of interfaces prior to c that are also supported
#    by the current interface, as they are ABI compatible (e.g. only new symbols
#    were added by the new interface)
#
37
AC_SUBST([ELPA_SO_VERSION], [6:0:2])
38
39
#

40

41
42
43
44
45
AX_CHECK_GNU_MAKE()
if test x$_cv_gnu_make_command = x ; then
        AC_MSG_ERROR([Need GNU Make])
fi

Andreas Marek's avatar
Andreas Marek committed
46
47
48
49
#AC_CHECK_PROG(CPP_FOUND,cpp,yes,no)
#if test x"${CPP_FOUND}" = xno; then
#  AC_MSG_ERROR([no cpp found])
#fi
50
51
52
53
54

# gnu-make fortran module dependencies
m4_include([fdep/fortran_dependencies.m4])
FDEP_F90_GNU_MAKE_DEPS

55
56
###

57
58
m4_include([m4/ax_elpa_openmp.m4])

59
60
AC_MSG_CHECKING(whether --enable-openmp is specified)
AC_ARG_ENABLE([openmp],
61
		AS_HELP_STRING([--enable-openmp],
62
63
64
65
66
67
68
69
70
			       [use OpenMP threading, default no.]),
	      [],
	      [enable_openmp=no])
AC_MSG_RESULT([${enable_openmp}])
AM_CONDITIONAL([WITH_OPENMP],[test x"$enable_openmp" = x"yes"])
if test x"${enable_openmp}" = x"yes"; then
	AC_DEFINE([WITH_OPENMP], [1], [use OpenMP threading])
fi

71
72
dnl mpi
AC_ARG_WITH(mpi, [AS_HELP_STRING([--with-mpi=[[yes|no]]], [compile with MPI. Default: yes])],,[with_mpi=yes])
73
AM_CONDITIONAL([WITH_MPI],[test x"$with_mpi" = x"yes"])
74
75
if test x"${with_mpi}" = x"yes"; then
       AC_DEFINE([WITH_MPI], [1], [use MPI])
76
77
fi

Andreas Marek's avatar
Andreas Marek committed
78
79
# C
AC_LANG([C])
80
81
82
83
84
85
AX_PROG_CC_MPI([test x"$with_mpi" = x"yes"],[found_mpi_c=yes],[found_mpi_c=no])
if test x"$with_mpi" = x"yes"; then
  if test x"$found_mpi_c" = x"no"; then
    AC_MSG_ERROR([Could not compile an MPI C program])
  fi
fi
86

87
if test x"${enable_openmp}" = x"yes"; then
88
89
90
91
92
  AX_ELPA_OPENMP
  if test "$ac_cv_prog_cc_openmp" = unsupported; then
    AC_MSG_ERROR([Could not compile a C program with OpenMP, adjust CFLAGS])
  fi
  CFLAGS="$OPENMP_CFLAGS $CFLAGS"
93
fi
94

95
AC_PROG_INSTALL
96
97
AM_PROG_AR
AM_PROG_AS
Andreas Marek's avatar
Andreas Marek committed
98
99
100
101

# Fortran
AC_LANG([Fortran])
m4_include([m4/ax_prog_fc_mpi.m4])
102
103
104
105
106
107
AX_PROG_FC_MPI([test x"$with_mpi" = x"yes"],[found_mpi_f=yes],[found_mpi_f=no])
if test x"$with_mpi" = x"yes"; then
  if test x"$found_mpi_f" = x"no"; then
    AC_MSG_ERROR([Could not compile an MPI Fortran program])
  fi
fi
108
if test x"${enable_openmp}" = x"yes"; then
109
110
111
112
113
  AX_ELPA_OPENMP
  if test "$ac_cv_prog_fc_openmp" = unsupported; then
    AC_MSG_ERROR([Could not compile a Fortran program with OpenMP, adjust FCFLAGS])
  fi
  FCFLAGS="$OPENMP_FCFLAGS $FCFLAGS"
114
115
fi

Andreas Marek's avatar
Andreas Marek committed
116
117
118
119
120
121
122
123
124
125
126
## C++
#AC_LANG([C++])
#AC_PROG_CXX
#
#if test x"${enable_openmp}" = x"yes"; then
#  AX_ELPA_OPENMP
#  if test "$ac_cv_prog_cxx_openmp" = unsupported; then
#    AC_MSG_ERROR([Could not compile a C++ program with OpenMP, adjust CXXFLAGS])
#  fi
#  CXXFLAGS="$OPENMP_CXXFLAGS $CXXFLAGS"
#fi
Andreas Marek's avatar
Andreas Marek committed
127
128
129



Andreas Marek's avatar
Andreas Marek committed
130
131
dnl variables needed for the tests

Andreas Marek's avatar
Andreas Marek committed
132
133
134
135
136
137
138
139
dnl do NOT remove any variables here, until
dnl 1. you know 100% what you are doing
dnl 2. you tested ALL configure functionality afterwards
dnl Otherwise, you most likely break some functionality

dnl as default always define the generic kernels to be build
dnl this is only unset if gpu_support_only is defined, or
dnl other specific real/complex kernels are wanted
Andreas Marek's avatar
Andreas Marek committed
140
141
142
143
144
145

install_real_generic=yes
install_real_generic_simple=yes

install_complex_generic=yes
install_complex_generic_simple=yes
146

147
148
149
150
#want_avx=yes
#want_avx2=yes
#want_sse=yes

Andreas Marek's avatar
Andreas Marek committed
151
152
AC_LANG([C])

153
154
155
156
157
158
159
160
161
dnl build with ftimings support
AC_MSG_CHECKING(whether ELPA should be build with ftimings support)
AC_ARG_WITH([ftimings],
		AS_HELP_STRING([--with-ftimings],
			       [detailed timings, default no.]),
	      [with_ftimings=yes],
	      [with_ftimings=no])
AC_MSG_RESULT([${with_ftimings}])

162
163
164
165
166
167
168
169
170
171
172
173
174
175
dnl build with the possibilty to redirect stdout and stderr
dnl per MPI task in a file
AC_MSG_CHECKING(whether stdout/stderr file redirect should be enabled)
AC_ARG_WITH([redirect],
		AS_HELP_STRING([--with-redirect],
			       [for test programs, allow redirection of stdout/stderr per MPI taks in a file (useful for ftimings), default no.]),
	      [with_redirect=yes],
	      [with_redirect=no])
AC_MSG_RESULT([${with_redirect}])

if test x"${with_redirect}" = x"yes"; then
  AC_DEFINE([HAVE_REDIRECT], [1], [Redirect stdout and stderr of test programs per MPI tasks to a file])
fi
AM_CONDITIONAL([HAVE_REDIRECT],[test x"$with_redirect" = x"yes"])
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197

if test x"${with_ftimings}" = x"yes"; then
  AC_DEFINE([HAVE_DETAILED_TIMINGS], [1], [Enable more timings])
  AC_ARG_ENABLE([papi],
	[AS_HELP_STRING([--disable-papi],[Do not use PAPI to also measure flop count, autodetected by default])],
	[want_papi=$enableval],[want_papi="auto"])
  papi_found=unknown
  if test x"$want_papi" != x"no" ; then
    AC_CHECK_LIB([papi],[PAPI_library_init],[papi_found="yes"],[papi_found="no"])
    if test x"$want_papi" = x"yes" ; then
      if test x"$papi_found" = x"no" ; then
        AC_MSG_ERROR(["Could not find usable PAPI installation, please adjust CFLAGS, LDFLAGS"])
      fi
    fi
  fi
  if test x"$papi_found" = x"yes"; then
    AC_DEFINE([HAVE_LIBPAPI], [1], [Use the PAPI library])
    LIBS="-lpapi $LIBS"
  fi
fi
AM_CONDITIONAL([HAVE_DETAILED_TIMINGS],[test x"$with_ftimings" = x"yes"])

198
AC_MSG_CHECKING(whether SSE assembly kernel can be compiled)
Andreas Marek's avatar
Andreas Marek committed
199

200
201
$CC -c $srcdir/src/elpa2_kernels/elpa2_kernels_asm_x86_64.s -o test.o 2>/dev/null
if test "$?" == 0; then
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
  can_compile_sse_assembly=yes
  install_real_sse_assembly=yes
  install_complex_sse_assembly=yes
else
  can_compile_sse_assembly=no
  install_real_sse_assembly=no
  install_complex_sse_assembly=no
fi

rm -f ./test.o
AC_MSG_RESULT([${can_compile_sse_assembly}])

dnl check whether on can compile with sse-gcc intrinsics
AC_MSG_CHECKING(whether we can compile SSE with gcc intrinsics in C)
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
 #include <x86intrin.h>
 int main(int argc, char **argv){
 double* q;
 __m128d h1 = _mm_loaddup_pd(q);
 return 0;
 }
 ])],
 [can_compile_sse_intrinsics=yes],
 [can_compile_sse_intrinsics=no]
)
AC_MSG_RESULT([${can_compile_sse_intrinsics}])

if test "${can_compile_sse_intrinsics}" = "yes"; then
  install_real_sse_intrinsics=yes
231
232
233
234
  install_real_sse_block2=yes
  install_real_sse_block4=yes
  install_real_sse_block6=yes

235
  install_complex_sse_intrinsics=yes
236
237
  install_complex_sse_block1=yes
  install_complex_sse_block2=yes
238
else
239
  install_real_sse_intrinsics=no
240
241
242
243
  install_real_sse_block2=no
  install_real_sse_block4=no
  install_real_sse_block6=no

244
  install_complex_sse_intrinsics=no
245
246
  install_complex_sse_block1=no
  install_complex_sse_block2=no
247
fi
248

Andreas Marek's avatar
Andreas Marek committed
249
dnl check whether one can compile with avx - gcc intrinsics
250

251
dnl first pass: try with specified CFLAGS and CXXFLAGS
252
AC_MSG_CHECKING([whether we can compile AVX intrinsics in C])
253
254
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
 #include <x86intrin.h>
255
 int main(int argc, char **argv){
256
257
 double* q;
 __m256d a1_1 = _mm256_load_pd(q);
258
 return 0;
259
260
261
262
263
 }
 ])],
 [can_compile_avx=yes],
 [can_compile_avx=no]
)
Andreas Marek's avatar
Andreas Marek committed
264
AC_MSG_RESULT([${can_compile_avx}])
265

266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
dnl if test "${can_compile_avx}" = "yes" ; then
dnl   AC_MSG_CHECKING([whether we can compile AVX intrinsics in C++])
dnl   AC_LANG_PUSH([C++])
dnl   AC_COMPILE_IFELSE([AC_LANG_SOURCE([
dnl    #include <x86intrin.h>
dnl    int main(int argc, char **argv){
dnl    double* q;
dnl    __m256d a1_1 = _mm256_load_pd(q);
dnl    return 0;
dnl    }
dnl    ])],
dnl    [can_compile_avx=yes],
dnl    [can_compile_avx=no]
dnl   )
dnl   AC_LANG_POP([C++])
dnl   AC_MSG_RESULT([${can_compile_avx}])
dnl   if test "${can_compile_avx}" = "no" ; then
dnl     AC_MSG_WARN([Cannot compile C++ with AVX: disabling AVX alltogether])
dnl   fi
dnl fi
286

287
288
289
290
291
292
293
294
295
296
297
298
299
300
AC_MSG_CHECKING([whether we can compile AVX2 intrinsics in C])
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
 #include <x86intrin.h>
 int main(int argc, char **argv){
 double* q;
 __m256d q1 = _mm256_load_pd(q);
 __m256d y1 = _mm256_fmadd_pd(q1, q1, q1);
 return 0;
 }
 ])],
 [can_compile_avx2=yes],
 [can_compile_avx2=no]
)
AC_MSG_RESULT([${can_compile_avx2}])
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322

dnl if test "${can_compile_avx2}" = "yes" ; then
dnl   AC_MSG_CHECKING([whether we can compile AVX2 intrinsics in C++])
dnl   AC_LANG_PUSH([C++])
dnl   AC_COMPILE_IFELSE([AC_LANG_SOURCE([
dnl    #include <x86intrin.h>
dnl    int main(int argc, char **argv){
dnl    double* q;
dnl    __m256d q1 = _mm256_load_pd(q);
dnl    __m256d y1 = _mm256_fmadd_pd(q1, q1, q1);
dnl    return 0;
dnl    }
dnl    ])],
dnl    [can_compile_avx2=yes],
dnl    [can_compile_avx2=no]
dnl   )
dnl   AC_LANG_POP([C++])
dnl   AC_MSG_RESULT([${can_compile_avx2}])
dnl   if test "${can_compile_avx2}" = "no" ; then
dnl     AC_MSG_WARN([Cannot compile C++ with AVX2!])
dnl   fi
dnl fi
323

324
if test "${can_compile_avx}" = "yes" ; then
Andreas Marek's avatar
Andreas Marek committed
325
326
327
328
329
330
  install_real_avx_block2=yes
  install_real_avx_block4=yes
  install_real_avx_block6=yes

  install_complex_avx_block1=yes
  install_complex_avx_block2=yes
Andreas Marek's avatar
Andreas Marek committed
331
332
333
334
335
336
337
else
  install_real_avx_block2=no
  install_real_avx_block4=no
  install_real_avx_block6=no

  install_complex_avx_block1=no
  install_complex_avx_block2=no
338
339
fi

340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
if test "${can_compile_avx2}" = "yes" ; then
  install_real_avx2_block2=yes
  install_real_avx2_block4=yes
  install_real_avx2_block6=yes

  install_complex_avx2_block1=yes
  install_complex_avx2_block2=yes
else
  install_real_avx2_block2=no
  install_real_avx2_block4=no
  install_real_avx2_block6=no

  install_complex_avx2_block1=no
  install_complex_avx2_block2=no
fi
355
356
357
358

AM_CONDITIONAL([HAVE_SSE_ASSEMBLY],[test x"$can_compile_sse_assembly" = x"yes"])
if test x"${can_compile_sse_assembly}" = x"yes" ; then
  AC_DEFINE([HAVE_SSE_ASSEMBLY],[1],[assembly SSE is supported on this CPU])
359
fi
360
361
362
363
364
AM_CONDITIONAL([HAVE_SSE_INTRINSICS],[test x"$can_compile_sse_intrinsics" = x"yes"])
if test x"${can_compile_sse_intrinsics}" = x"yes" ; then
  AC_DEFINE([HAVE_SSE_INTRINSICS],[1],[gcc intrinsics SSE is supported on this CPU])
fi

365
366
367
368
369
370
371
372
373
AM_CONDITIONAL([HAVE_AVX],[test x"$can_compile_avx" = x"yes"])
if test x"${can_compile_avx}" = x"yes" ; then
  AC_DEFINE([HAVE_AVX],[1],[AVX is supported on this CPU])
fi
AM_CONDITIONAL([HAVE_AVX2],[test x"$can_compile_avx2" = x"yes"])
if test x"${can_compile_avx2}" = x"yes" ; then
  AC_DEFINE([HAVE_AVX2],[1],[AVX2 is supported on this CPU])
fi

374
375
376
377
378
379
380
dnl set the AVX optimization flags if this option is specified
AC_MSG_CHECKING(whether AVX optimization flags should be set automatically)
AC_ARG_WITH([avx-optimization],
		AS_HELP_STRING([--with-avx-optimization],
			       [use AVX optimization, default no.]),
	      [with_avx_optimization=yes],
	      [with_avx_optimization=no])
Andreas Marek's avatar
Andreas Marek committed
381
AC_MSG_RESULT([${with_avx_optimization}])
382
if test x"${with_avx_optimization}" = x"yes"; then
Andreas Marek's avatar
Andreas Marek committed
383
384
385
 CFLAGS="$CFLAGS -funsafe-loop-optimizations -funsafe-math-optimizations -ftree-vect-loop-version -ftree-vectorize"
 CXXFLAGS="$CXXFLAGS -funsafe-loop-optimizations -funsafe-math-optimizations -ftree-vect-loop-version -ftree-vectorize"
fi
386

387
AC_LANG([Fortran])
388
389
390
AC_FC_FREEFORM
AC_FC_MODULE_FLAG
AC_FC_MODULE_OUTPUT_FLAG
391
AC_FC_LIBRARY_LDFLAGS
392
393
394
395

save_FCFLAGS=$FCFLAGS
save_LDFLAGS=$LDFLAGS

396
397
398
AC_ARG_VAR([SCALAPACK_LDFLAGS],[Extra LDFLAGS necessary to link a program with Scalapack])
AC_ARG_VAR([SCALAPACK_FCFLAGS],[Extra FCFLAGS necessary to compile a Fortran program with Scalapack])

399
400
FCFLAGS="$FCFLAGS $SCALAPACK_FCFLAGS"
LDFLAGS="$LDFLAGS $SCALAPACK_LDFLAGS"
401

402
dnl check whether fortran error_unit is defined
403
AC_MSG_CHECKING([whether Fortran module iso_fortran_env is available])
404
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
405
406
407
408
409
410
411
412
413
414
  program test_error_unit
    use ISO_FORTRAN_ENV, only : error_unit
    implicit none

    write(error_unit,*) "error_unit is defined"
  end program
])],
  [can_use_iso_fortran_env=yes],
  [can_use_iso_fortran_env=no]
)
415
AC_MSG_RESULT([${can_use_iso_fortran_env}])
416

417
418
419
420
dnl check whether one can link with specified MKL (desired method)
AC_MSG_CHECKING([whether we can compile a Fortran program using MKL])


421
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
422
  program test_mkl
423
    use mkl_service
424
425
426
427
428
429
430
431
432
433
434
435
    character*198 :: string
    call mkl_get_version_string(string)
    write(*,'(a)') string
  end program
])],
  [can_compile_with_mkl=yes],
  [can_compile_with_mkl=no]
)
AC_MSG_RESULT([${can_compile_with_mkl}])

if test x"$can_compile_with_mkl" = x"yes" ; then
  AC_MSG_CHECKING([whether we can link a Fortran program with MKL])
436
  AC_LINK_IFELSE([AC_LANG_SOURCE([
437
    program test_mkl
438
      use mkl_service
439
440
441
442
443
      character*198 :: string
      call mkl_get_version_string(string)
      write(*,'(a)') string
    end program
  ])],
Andreas Marek's avatar
Andreas Marek committed
444
445
    [have_mkl=yes],
    [have_mkl=no]
446
  )
Andreas Marek's avatar
Andreas Marek committed
447
  AC_MSG_RESULT([${have_mkl}])
448
449
450
fi

dnl if not mkl, check all the necessary individually
451
if test x"${have_mkl}" = x"yes" ; then
452
453
454
455
  WITH_MKL=1
else

  dnl first check blas
Andreas Marek's avatar
Andreas Marek committed
456
457
458
  AC_SEARCH_LIBS([dgemm],[blas],[have_blas=yes],[have_blas=no])
  AC_MSG_CHECKING([whether we can link a program with a blas lib])
  AC_MSG_RESULT([${have_blas}])
459

460
  if test x"${have_blas}" = x"no" ; then
Andreas Marek's avatar
Andreas Marek committed
461
    AC_MSG_ERROR([could not link with blas: specify path])
462
  fi
463
  dnl now lapack
Andreas Marek's avatar
Andreas Marek committed
464
465
466
  AC_SEARCH_LIBS([dlarrv],[lapack],[have_lapack=yes],[have_lapack=no])
  AC_MSG_CHECKING([whether we can link a program with a lapack lib])
  AC_MSG_RESULT([${have_lapack}])
467

468
  if test x"${have_lapack}" = x"no" ; then
469
    AC_MSG_ERROR([could not link with lapack: specify path])
470
  fi
Andreas Marek's avatar
Andreas Marek committed
471

472
  if test x"${with_mpi}" = x"yes"; then
473
    dnl test whether scalapack already contains blacs
474
    scalapack_libs="mpiscalapack scalapack scalapack-openmpi"
475
476
477
478
479
480
481
482
483
484
    old_LIBS="$LIBS"
    for lib in ${scalapack_libs}; do
      LIBS="-l${lib} ${old_LIBS}"
      AC_MSG_CHECKING([whether -l${lib} already contains a BLACS implementation])
      AC_LINK_IFELSE([AC_LANG_FUNC_LINK_TRY([blacs_gridinit])],[blacs_in_scalapack=yes],[blacs_in_scalapack=no])
      AC_MSG_RESULT([${blacs_in_scalapack}])
      if test x"${blacs_in_scalapack}" = x"yes"; then
        break
      fi
    done
485

486
487
    if test x"${blacs_in_scalapack}" = x"no"; then
      LIBS="${old_LIBS}"
488

489
490
      dnl Test for stand-alone blacs
      AC_SEARCH_LIBS([bi_f77_init],[mpiblacsF77init],[],[],[-lmpiblacs])
491
492
493
494
495
496

      dnl for debian
      AC_SEARCH_LIBS([blacs_gridinit],[blacs-openmpi],[have_blacs=yes],[have_blacs=no],[-lblacsCinit-openmpi -lscalapack-openmpi])
      if test x"${have_blacs}" = x"no"; then
        unset ac_cv_search_blacs_gridinit
      fi
497
      AC_SEARCH_LIBS([blacs_gridinit],[mpiblacs blacs],[have_blacs=yes],[have_blacs=no])
Andreas Marek's avatar
Andreas Marek committed
498

499
500
501
      if test x"${have_blacs}" = x"no"; then
        AC_MSG_ERROR([No usable BLACS found. If installed in a non-standard place, please specify suitable LDFLAGS and FCFLAGS as arguments to configure])
      fi
502
    fi
503

504
    AC_SEARCH_LIBS([pdtran],[$scalapack_libs],[have_scalapack=yes],[have_scalapack=no])
Andreas Marek's avatar
Andreas Marek committed
505

506
507
508
    if test x"${have_scalapack}" = x"no" ; then
      AC_MSG_ERROR([could not link with scalapack: specify path])
    fi
509
510
511
512
  fi

  dnl check whether we can link alltogehter
  AC_MSG_CHECKING([whether we can link a Fortran program with all blacs/scalapack])
513
  AC_LINK_IFELSE([AC_LANG_SOURCE([
514
515
    program dgemm_test

516
517
      integer , parameter:: M = 4, N = 3, K = 2
      real :: A(M,K), B(K,N), C(M,N)
518

519
      call dgemm('N','N',M,N,K,1.0,A,M,B,K,0.0,C,M)
520
521
522
523
524
525
526
527

     end program dgemm_test
     ])],
     [can_link_with_blacs_scalapack=yes],
     [can_link_with_blacs_scalapack=no]
   )
   AC_MSG_RESULT([${can_link_with_blacs_scalapack}])

528
   if test x"${can_link_with_blacs_scalapack}" = x"yes" ; then
529
530
     WITH_BLACS=1
   else
531
   AC_MSG_ERROR([We can neither link with MKL or another Scalpack. Please specify SCALAPACK_LDFLAGS and SCALAPACK_FCFLAGS!])
532
533
534
   fi
fi

535
536
537
538
dnl important: reset them again!
FCFLAGS=$save_FCFLAGS
LDFLAGS=$save_LDFLAGS

Andreas Marek's avatar
Andreas Marek committed
539
540
541
542
dnl check for intrinsic fortran function of 2003 standard
AC_MSG_CHECKING([whether we can use the intrinsic Fortran function "get_environment_variable"])


543
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
Andreas Marek's avatar
Andreas Marek committed
544
545
546
547
548
549
550
551
552
  program test_get_environment
    character(len=256) :: homedir
    call get_environment_variable("HOME",homedir)
  end program
])],
  [fortran_can_check_environment=yes],
  [fortran_can_check_environment=no]
)
AC_MSG_RESULT([${fortran_can_check_environment}])
553
554
555
if test x"${fortran_can_check_environment}" = x"yes" ; then
 AC_DEFINE([HAVE_ENVIRONMENT_CHECKING],[1],[Fortran can query environment variables])
fi
Andreas Marek's avatar
Andreas Marek committed
556
557
558
559
560
561
562
563
564
565

dnl now check which kernels can be compiled

dnl the checks for SSE were already done before
dnl the checks for AVX were already done before

dnl check BGP kernel
AC_MSG_CHECKING([whether we can compile with BGP intrinsics])


566
AC_LINK_IFELSE([AC_LANG_SOURCE([
Andreas Marek's avatar
Andreas Marek committed
567
568
569
  program test_bgp
    complex*16 :: y3,q3,h2
    y3 = fxcpmadd(y3,q3,h2)
570

Andreas Marek's avatar
Andreas Marek committed
571
572
573
574
575
576
577
  end program
])],
  [can_compile_bgp=yes],
  [can_compile_bgp=no]
)
AC_MSG_RESULT([${can_compile_bgp}])

578
if test x"${can_compile_bgp}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
579
580
  install_real_bgp=yes
  install_complex_bgp=yes
Andreas Marek's avatar
Andreas Marek committed
581
582
583
else
  install_real_bgp=no
  install_complex_bgp=no
Andreas Marek's avatar
Andreas Marek committed
584
585
586
587
588
fi

dnl check BGQ kernel
AC_MSG_CHECKING([whether we can compile with BGQ intrinsics])

589
AC_LINK_IFELSE([AC_LANG_SOURCE([
Andreas Marek's avatar
Andreas Marek committed
590
  program test_bgq
Andreas Marek's avatar
Andreas Marek committed
591
592
    VECTOR(REAL(8))::QPX_h2
    real*8         :: hh(10,2)
Andreas Marek's avatar
Andreas Marek committed
593
    QPX_h2 = VEC_SPLATS(hh(2,2))
594

Andreas Marek's avatar
Andreas Marek committed
595
596
597
598
599
600
601
  end program
])],
  [can_compile_bgq=yes],
  [can_compile_bgq=no]
)
AC_MSG_RESULT([${can_compile_bgq}])

602
if test x"${can_compile_bgq}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
603
604
  install_real_bgq=yes
  install_complex_bgq=yes
Andreas Marek's avatar
Andreas Marek committed
605
606
607
else
  install_real_bgq=no
  install_complex_bgq=no
Andreas Marek's avatar
Andreas Marek committed
608
609
fi

610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
dnl Test possibility of 'use mpi', if requested
if test x"${with_mpi}" = x"yes" ; then
  AC_ARG_ENABLE([use-mpi],
                AS_HELP_STRING([--enable-use-mpi],
                               [Use Fortran MPI module (otherwise 'include "mpif.h' is used)]),
                [],
                [enable_use_mpi=no])
  AC_MSG_RESULT([${enable_use_mpi}])
  if test x"${enable_use_mpi}" = x"yes" ; then
    AC_MSG_CHECKING(whether Fortran mpi module can be used)
    AC_COMPILE_IFELSE([AC_LANG_SOURCE([
      program test_mpi_module
        use mpi
        real :: time
        time = MPI_WTime()
      end program
    ])],
      [can_use_fortran_mpi_module=yes],
      [can_use_fortran_mpi_module=no]
    )
    AC_MSG_RESULT([${can_use_fortran_mpi_module}])
    if test x"${can_use_fortran_mpi_module}" = x"yes" ; then
      AC_DEFINE([HAVE_MPI_MODULE],[1],[can use the Fortran mpi module])
    else
      AC_MSG_ERROR([Could not compile a Fortran program with an 'use mpi' statement])
    fi
636
637
638
  fi
fi

639
640
dnl last check whether user wants to compile only a specific kernel
dnl
Andreas Marek's avatar
Andreas Marek committed
641

642
m4_include([m4/ax_elpa_specific_kernels.m4])
Andreas Marek's avatar
Andreas Marek committed
643

644
dnl real kernels
Andreas Marek's avatar
Andreas Marek committed
645
646
  dnl do not remove this variable it is needed in the macros
  use_specific_real_kernel=no
Andreas Marek's avatar
Andreas Marek committed
647

648
649
  dnl generic kernel
  DEFINE_OPTION_SPECIFIC_REAL_KERNEL([real-generic-kernel-only],[generic-kernel],[install_real_generic])
Andreas Marek's avatar
Andreas Marek committed
650

651
652
  dnl generic-simple kernel
  DEFINE_OPTION_SPECIFIC_REAL_KERNEL([real-generic-simple-kernel-only],[generic-simple-kernel],[install_real_generic_simple])
Andreas Marek's avatar
Andreas Marek committed
653

654
  dnl sse kernel
655
  DEFINE_OPTION_SPECIFIC_REAL_KERNEL([real-sse-assembly-kernel-only],[sse-assembly-kernel],[install_real_sse_assembly])
Andreas Marek's avatar
Andreas Marek committed
656

657
658
  dnl bgp kernel
  DEFINE_OPTION_SPECIFIC_REAL_KERNEL([real-bgp-kernel-only],[bgp-kernel],[install_real_bgp])
Andreas Marek's avatar
Andreas Marek committed
659

660
661
  dnl bgq kernel
  DEFINE_OPTION_SPECIFIC_REAL_KERNEL([real-bgq-kernel-only],[bgq-kernel],[install_real_bgq])
Andreas Marek's avatar
Andreas Marek committed
662

663
664
665
666
667
668
669
670
671
  dnl real-sse-block2 kernel
  DEFINE_OPTION_SPECIFIC_REAL_KERNEL([real-sse-block2-kernel-only],[real-sse-block2-kernel],[install_real_sse_block2])

  dnl real-sse-block4 kernel
  DEFINE_OPTION_SPECIFIC_REAL_KERNEL([real-sse-block4-kernel]-only,[real-sse-block4-kernel],[install_real_sse_block4])

  dnl real-sse-block6 kernel
  DEFINE_OPTION_SPECIFIC_REAL_KERNEL([real-sse-block6-kernel-only],[real-sse-block6-kernel],[install_real_sse_block6])

672
673
  dnl real-avx-block2 kernel
  DEFINE_OPTION_SPECIFIC_REAL_KERNEL([real-avx-block2-kernel-only],[real-avx-block2-kernel],[install_real_avx_block2])
Andreas Marek's avatar
Andreas Marek committed
674

675
676
  dnl real-avx-block4 kernel
  DEFINE_OPTION_SPECIFIC_REAL_KERNEL([real-avx-block4-kernel]-only,[real-avx-block4-kernel],[install_real_avx_block4])
677

678
679
  dnl real-avx-block6 kernel
  DEFINE_OPTION_SPECIFIC_REAL_KERNEL([real-avx-block6-kernel-only],[real-avx-block6-kernel],[install_real_avx_block6])
680

Andreas Marek's avatar
Andreas Marek committed
681
682
683
684
685
686

dnl complex kernels

  dnl do not remove this variable it is needed in the macros
  use_specific_complex_kernel=no

687
688
  dnl generic kernel
  DEFINE_OPTION_SPECIFIC_COMPLEX_KERNEL([complex-generic-kernel-only],[generic-kernel],[install_complex_generic])
689

690
691
  dnl generic-simple kernel
  DEFINE_OPTION_SPECIFIC_COMPLEX_KERNEL([complex-generic-simple-kernel-only],[generic-simple-kernel],[install_complex_generic_simple])
Andreas Marek's avatar
Andreas Marek committed
692

693
  dnl sse kernel
694
  DEFINE_OPTION_SPECIFIC_COMPLEX_KERNEL([complex-sse-assembly-kernel-only],[sse-assembly-kernel],[install_complex_sse_assembly])
Andreas Marek's avatar
Andreas Marek committed
695

696
697
  dnl complex-bqp kernel
  DEFINE_OPTION_SPECIFIC_COMPLEX_KERNEL([complex-bgp-kernel-only],[bgp-kernel],[install_complex_bgp])
Andreas Marek's avatar
Andreas Marek committed
698

699
700
  dnl complex-bqq kernel
  DEFINE_OPTION_SPECIFIC_COMPLEX_KERNEL([complex-bgq-kernel-only],[bgq-kernel],[install_complex_bgq])
Andreas Marek's avatar
Andreas Marek committed
701

702
703
704
705
706
707
  dnl complex-sse-block1 kernel
  DEFINE_OPTION_SPECIFIC_COMPLEX_KERNEL([complex-sse-block1-kernel-only],[complex-sse-block1-kernel],[install_complex_sse_block1])

  dnl complex-avx-block2 kernel
  DEFINE_OPTION_SPECIFIC_COMPLEX_KERNEL([complex-sse-block2-kernel-only],[complex-sse-block2-kernel],[install_complex_sse_block2])

708
709
  dnl complex-avx-block1 kernel
  DEFINE_OPTION_SPECIFIC_COMPLEX_KERNEL([complex-avx-block1-kernel-only],[complex-avx-block1-kernel],[install_complex_avx_block1])
Andreas Marek's avatar
Andreas Marek committed
710

711
712
  dnl complex-avx-block2 kernel
  DEFINE_OPTION_SPECIFIC_COMPLEX_KERNEL([complex-avx-block2-kernel-only],[complex-avx-block2-kernel],[install_complex_avx_block2])
Andreas Marek's avatar
Andreas Marek committed
713

714
dnl set the conditionals according to the previous tests
715

716
if test x"${can_use_iso_fortran_env}" = x"yes" ; then
717
718
719
 AC_DEFINE([HAVE_ISO_FORTRAN_ENV],[1],[can use module iso_fortran_env])
fi

Andreas Marek's avatar
Andreas Marek committed
720
AM_CONDITIONAL([WITH_REAL_GENERIC_KERNEL],[test x"$install_real_generic" = x"yes"])
721
if test x"${install_real_generic}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
722
723
724
725
 AC_DEFINE([WITH_REAL_GENERIC_KERNEL],[1],[can use real generic kernel])
fi

AM_CONDITIONAL([WITH_COMPLEX_GENERIC_KERNEL],[test x"$install_complex_generic" = x"yes"])
726
if test x"${install_complex_generic}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
727
728
729
730
 AC_DEFINE([WITH_COMPLEX_GENERIC_KERNEL],[1],[can use complex generic kernel])
fi

AM_CONDITIONAL([WITH_REAL_GENERIC_SIMPLE_KERNEL],[test x"$install_real_generic_simple" = x"yes"])
731
if test x"${install_real_generic_simple}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
732
733
734
735
 AC_DEFINE([WITH_REAL_GENERIC_SIMPLE_KERNEL],[1],[can use real generic-simple kernel])
fi

AM_CONDITIONAL([WITH_COMPLEX_GENERIC_SIMPLE_KERNEL],[test x"$install_complex_generic_simple" = x"yes"])
736
if test x"${install_complex_generic_simple}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
737
738
739
 AC_DEFINE([WITH_COMPLEX_GENERIC_SIMPLE_KERNEL],[1],[can use complex generic-simple kernel])
fi

740
741
742
AM_CONDITIONAL([WITH_REAL_SSE_ASSEMBLY_KERNEL],[test x"$install_real_sse_assembly" = x"yes"])
if test x"${install_real_sse_assembly}" = x"yes" ; then
 AC_DEFINE([WITH_REAL_SSE_ASSEMBLY_KERNEL],[1],[can use real SSE assembly kernel])
Andreas Marek's avatar
Andreas Marek committed
743
744
fi

745
746
747
AM_CONDITIONAL([WITH_COMPLEX_SSE_ASSEMBLY_KERNEL],[test x"$install_complex_sse_assembly" = x"yes"])
if test x"${install_complex_sse_assembly}" = x"yes" ; then
 AC_DEFINE([WITH_COMPLEX_SSE_ASSEMBLY_KERNEL],[1],[can use complex SSE assembly kernel])
Andreas Marek's avatar
Andreas Marek committed
748
749
fi

750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
AM_CONDITIONAL([WITH_REAL_SSE_BLOCK2_KERNEL],[test x"$install_real_sse_block2" = x"yes"])
if test x"${install_real_sse_block2}" = x"yes" ; then
 AC_DEFINE([WITH_REAL_SSE_BLOCK2_KERNEL],[1],[can use real_sse_block2 kernel])
fi

AM_CONDITIONAL([WITH_REAL_SSE_BLOCK4_KERNEL],[test x"$install_real_sse_block4" = x"yes"])
if test x"${install_real_sse_block4}" = x"yes" ; then
 AC_DEFINE([WITH_REAL_SSE_BLOCK4_KERNEL],[1],[can use real_sse_block4 kernel])
fi

AM_CONDITIONAL([WITH_REAL_SSE_BLOCK6_KERNEL],[test x"$install_real_sse_block6" = x"yes"])
if test x"${install_real_sse_block6}" = x"yes" ; then
 AC_DEFINE([WITH_REAL_SSE_BLOCK6_KERNEL],[1],[can use real_sse_block6 kernel])
fi

Andreas Marek's avatar
Andreas Marek committed
765
AM_CONDITIONAL([WITH_REAL_AVX_BLOCK2_KERNEL],[test x"$install_real_avx_block2" = x"yes"])
766
if test x"${install_real_avx_block2}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
767
768
769
770
 AC_DEFINE([WITH_REAL_AVX_BLOCK2_KERNEL],[1],[can use real_avx_block2 kernel])
fi

AM_CONDITIONAL([WITH_REAL_AVX_BLOCK4_KERNEL],[test x"$install_real_avx_block4" = x"yes"])
771
if test x"${install_real_avx_block4}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
772
773
774
775
 AC_DEFINE([WITH_REAL_AVX_BLOCK4_KERNEL],[1],[can use real_avx_block4 kernel])
fi

AM_CONDITIONAL([WITH_REAL_AVX_BLOCK6_KERNEL],[test x"$install_real_avx_block6" = x"yes"])
776
if test x"${install_real_avx_block6}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
777
778
779
 AC_DEFINE([WITH_REAL_AVX_BLOCK6_KERNEL],[1],[can use real_avx_block6 kernel])
fi

780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
AM_CONDITIONAL([WITH_REAL_AVX2_BLOCK2_KERNEL],[test x"$install_real_avx2_block2" = x"yes"])
if test x"${install_real_avx2_block2}" = x"yes" ; then
 AC_DEFINE([WITH_REAL_AVX2_BLOCK2_KERNEL],[1],[can use real_avx2_block2 kernel])
fi

AM_CONDITIONAL([WITH_REAL_AVX2_BLOCK4_KERNEL],[test x"$install_real_avx2_block4" = x"yes"])
if test x"${install_real_avx2_block4}" = x"yes" ; then
 AC_DEFINE([WITH_REAL_AVX2_BLOCK4_KERNEL],[1],[can use real_avx2_block4 kernel])
fi

AM_CONDITIONAL([WITH_REAL_AVX2_BLOCK6_KERNEL],[test x"$install_real_avx2_block6" = x"yes"])
if test x"${install_real_avx2_block6}" = x"yes" ; then
 AC_DEFINE([WITH_REAL_AVX2_BLOCK6_KERNEL],[1],[can use real_avx2_block6 kernel])
fi

795
796
797
798
799
800
801
802
803
804
AM_CONDITIONAL([WITH_COMPLEX_SSE_BLOCK1_KERNEL],[test x"$install_complex_sse_block1" = x"yes"])
if test x"${install_complex_sse_block1}" = x"yes" ; then
 AC_DEFINE([WITH_COMPLEX_SSE_BLOCK1_KERNEL],[1],[can use complex_sse_block1 kernel])
fi

AM_CONDITIONAL([WITH_COMPLEX_SSE_BLOCK2_KERNEL],[test x"$install_complex_sse_block2" = x"yes"])
if test x"${install_complex_sse_block2}" = x"yes" ; then
 AC_DEFINE([WITH_COMPLEX_SSE_BLOCK2_KERNEL],[1],[can use complex_sse_block2 kernel])
fi

Andreas Marek's avatar
Andreas Marek committed
805
AM_CONDITIONAL([WITH_COMPLEX_AVX_BLOCK1_KERNEL],[test x"$install_complex_avx_block1" = x"yes"])
806
if test x"${install_complex_avx_block1}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
807
808
809
810
 AC_DEFINE([WITH_COMPLEX_AVX_BLOCK1_KERNEL],[1],[can use complex_avx_block1 kernel])
fi

AM_CONDITIONAL([WITH_COMPLEX_AVX_BLOCK2_KERNEL],[test x"$install_complex_avx_block2" = x"yes"])
811
if test x"${install_complex_avx_block2}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
812
813
814
 AC_DEFINE([WITH_COMPLEX_AVX_BLOCK2_KERNEL],[1],[can use complex_avx_block2 kernel])
fi

815
816
817
818
819
820
821
822
823
824
AM_CONDITIONAL([WITH_COMPLEX_AVX2_BLOCK1_KERNEL],[test x"$install_complex_avx2_block1" = x"yes"])
if test x"${install_complex_avx2_block1}" = x"yes" ; then
 AC_DEFINE([WITH_COMPLEX_AVX2_BLOCK1_KERNEL],[1],[can use complex_avx2_block1 kernel])
fi

AM_CONDITIONAL([WITH_COMPLEX_AVX2_BLOCK2_KERNEL],[test x"$install_complex_avx2_block2" = x"yes"])
if test x"${install_complex_avx2_block2}" = x"yes" ; then
 AC_DEFINE([WITH_COMPLEX_AVX2_BLOCK2_KERNEL],[1],[can use complex_avx2_block2 kernel])
fi

Andreas Marek's avatar
Andreas Marek committed
825
AM_CONDITIONAL([WITH_REAL_BGP_KERNEL],[test x"$install_real_bgp" = x"yes"])
826
if test x"${install_real_bgp}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
827
828
829
830
 AC_DEFINE([WITH_REAL_BGP_KERNEL],[1],[can use real BGP kernel])
fi

AM_CONDITIONAL([WITH_REAL_BGQ_KERNEL],[test x"$install_real_bgq" = x"yes"])
831
if test x"${install_real_bgq}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
832
833
834
 AC_DEFINE([WITH_REAL_BGQ_KERNEL],[1],[can use real BGQ kernel])
fi

835
836
if test x"${use_specific_complex_kernel}" = x"no" ; then
 AC_DEFINE([WITH_NO_SPECIFIC_COMPLEX_KERNEL],[1],[do not use only one specific complex kernel (set at compile time)])
837
838
else
 AC_DEFINE([WITH_ONE_SPECIFIC_COMPLEX_KERNEL],[1],[use only one specific complex kernel (set at compile time)])
Andreas Marek's avatar
Andreas Marek committed
839
840
fi

841
if test x"${use_specific_real_kernel}" = x"no" ; then
842
  AC_DEFINE([WITH_NO_SPECIFIC_REAL_KERNEL],[1],[do not use only one specific real kernel (set at compile time)])
843
844
else
  AC_DEFINE([WITH_ONE_SPECIFIC_REAL_KERNEL],[1],[use only one specific real kernel (set at compile time)])
Andreas Marek's avatar
Andreas Marek committed
845
846
fi

847
848
LT_INIT

849
850
851
852
853
854
DX_PDF_FEATURE(OFF)
DX_PS_FEATURE(OFF)
DX_MAN_FEATURE(ON)
DX_HTML_FEATURE(ON)
DX_INIT_DOXYGEN([ELPA], [Doxyfile], [docs])

855
DESPERATELY_WANT_ASSUMED_SIZE=0
856
if test x"${DESPERATELY_WANT_ASSUMED_SIZE}" = x"yes" ; then
857
858
859
  AC_DEFINE([DESPERATELY_WANT_ASSUMED_SIZE],[1],[use assumed size arrays, even if not debuggable])
fi

860
861
862
863
864
AC_SUBST([WITH_MKL])
AC_SUBST([WITH_BLACS])
AC_SUBST([with_amd_bulldozer_kernel])
AC_SUBST([FC_MODINC])
AC_SUBST([FC_MODOUT])
865
866
867
AC_SUBST([OPENMP_CFLAGS])
AC_SUBST([OPENMP_FCFLAGS])
AC_SUBST([OPENMP_LDFLAGS])
868
AC_SUBST([DOXYGEN_OUTPUT_DIR], [docs])
869

870
871
rm -rf modules/ private_modules/ .fortran_dependencies/
mkdir modules private_modules
872
873
874
875
876
877
878
879
880
881

#gl_VISIBILITY
#AH_BOTTOM([#if HAVE_VISIBILITY
#define EXPORTED __attribute__((__visibility__("default")))
#define HIDDEN   __attribute__((__visibility__("hidden")))
#else
#define EXPORTED
#define HIDDEN
#endif])

882
883
884
885
886
887
888
889
890

# Some part of libtool is too smart and tries to parse the output of
#   gfortran -v
# and catches anything that resembles a -l library link specification.
# Unfortunately, recent versions of gfortran emit
#   -l gfortran
# with a space between -l and gfortran. The empty -l is then included
# into "postdeps_FC" and causes linking errors later on.
postdeps_FC=$(echo $postdeps_FC | sed 's/-l //g')
891

892
893
if test x"${with_mpi}" = x"yes"; then
  if test x"${enable_openmp}" = x"yes"; then
894
	SUFFIX="_openmp"
895
  else
896
	SUFFIX=""
897
898
899
  fi
else
  if test x"${enable_openmp}" = x"yes"; then
Andreas Marek's avatar
Andreas Marek committed
900
	SUFFIX="_onenode_openmp"
901
902
903
  else
	SUFFIX="_onenode"
  fi
904
fi
905

906
907
AC_SUBST([SUFFIX])
AC_SUBST([PKG_CONFIG_FILE],[elpa${SUFFIX}-${PACKAGE_VERSION}.pc])
908

909
910
AC_CONFIG_FILES([
  Makefile
911
  Doxyfile
912
  ${PKG_CONFIG_FILE}:elpa.pc.in
913
])
914

915
AC_OUTPUT
916

917
if test "${can_compile_avx}" = "no" ; then
918
#  if test x"${want_avx}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
919
    AC_MSG_WARN([Could not compile AVX instructions])
920
#  fi
921
fi
922
if test "${can_compile_avx2}" = "no" ; then
923
#  if test x"${want_avx2}" = x"yes" ; then
924
    AC_MSG_WARN([Could not compile AVX2 instructions])
925
#  fi
926
fi
927

928
make -f $srcdir/generated_headers.am generated-headers top_srcdir="$srcdir"