configure.ac 32.6 KB
Newer Older
1
AC_PREREQ([2.69])
2

3
AC_INIT([elpa],[2015.11.001], [elpa-library@mpcdf.mpg.de])
4
AC_SUBST([PACKAGE_VERSION])
5

6
7
8
AC_CONFIG_SRCDIR([src/elpa1.F90])

AM_INIT_AUTOMAKE([foreign -Wall subdir-objects])
9
10
11
12
13
14
15
16
17

# 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# This only makes trouble for end users with out-of-date autoconf versions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])

18
19
20
21
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_HEADERS([config.h])
AM_SILENT_RULES([yes])

22
23
rm -rf config.h config-f90.h

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], [5:0:1])
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
73
74
75
76
77
78
79
80
81
82
AC_MSG_CHECKING(whether --enable-shared-memory-only is specified)
AC_ARG_ENABLE([shared-memory-only],
		AS_HELP_STRING([--enable-shared-memory-only],
			       [do not use MPI; ELPA will be build for one node shared-memory runs only]),
	      [],
	      [enable_shared_memory_only=no])
AC_MSG_RESULT([${enable_shared_memory_only}])
AM_CONDITIONAL([WITH_MPI],[test x"$enable_shared_memory_only" = x"no"])
if test x"${enable_shared_memory_only}" = x"no"; then
	AC_DEFINE([WITH_MPI], [1], [use MPI])
fi

Andreas Marek's avatar
Andreas Marek committed
83
84
85
dnl check whether mpi compilers are available;
dnl if not abort since it is mandatory

86

Andreas Marek's avatar
Andreas Marek committed
87
88
# C
AC_LANG([C])
89
90
AX_PROG_CC_MPI([test x"$enable_shared_memory_only" = xno],[use_mpi=yes],[use_mpi=no])

91
if test x"${enable_openmp}" = x"yes"; then
92
93
94
95
96
  AX_ELPA_OPENMP
  if test "$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"
97
fi
98

99
AC_PROG_INSTALL
100
101
AM_PROG_AR
AM_PROG_AS
Andreas Marek's avatar
Andreas Marek committed
102
103

# Fortran
104
105
106
107
108
109
110
111

dnl check whether single precision is requested
AC_MSG_CHECKING(whether ELPA library should contain also single precision functions)
AC_ARG_ENABLE(single-precision,[AS_HELP_STRING([--enable-single-precision],
	                                   [build with single precision])],
              want_single_precision="yes", want_single_precision="no")
AC_MSG_RESULT([${want_single_precision}])

Andreas Marek's avatar
Andreas Marek committed
112
113
AC_LANG([Fortran])
m4_include([m4/ax_prog_fc_mpi.m4])
114
AX_PROG_FC_MPI([test x"$enable_shared_memory_only" = xno],[use_mpi=yes],[use_mpi=no])
115
if test x"${enable_openmp}" = x"yes"; then
116
117
118
119
120
  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"
121
122
fi

Andreas Marek's avatar
Andreas Marek committed
123
124
125
126
127
128
129
130
131
132
133
## 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
134
135
136



Andreas Marek's avatar
Andreas Marek committed
137
138
dnl variables needed for the tests

Andreas Marek's avatar
Andreas Marek committed
139
140
141
142
143
144
145
146
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
147
148
149
150
151
152

install_real_generic=yes
install_real_generic_simple=yes

install_complex_generic=yes
install_complex_generic_simple=yes
153

154
155
156
157
#want_avx=yes
#want_avx2=yes
#want_sse=yes

Andreas Marek's avatar
Andreas Marek committed
158
159
AC_LANG([C])

160
161
162
163
164
165
166
167
168
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}])

169
170
171
172
173
174
175
176
177
178
179
180
181
182
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"])
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204

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"])

205
AC_MSG_CHECKING(whether double-precision SSE assembly kernel can be compiled)
Andreas Marek's avatar
Andreas Marek committed
206

207
$CC -c $srcdir/src/elpa2_kernels/elpa2_kernels_asm_x86_64_double_precision.s -o test.o 2>/dev/null
208
if test "$?" == 0; then
209
210
211
212
213
214
215
216
217
218
219
220
  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}])

221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
if test x"${want_single_precision}" = x"yes" ; then
  AC_MSG_CHECKING(whether single-precision SSE assembly kernel can be compiled)

  $CC -c $srcdir/src/elpa2_kernels/elpa2_kernels_asm_x86_64_single_precision.s -o test.o 2>/dev/null
  if test "$?" == 0; then
    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([${can_compile_sse_assembly}])
  if test x"${can_compile_sse_assembly}" = x"no" ; then
    AC_MSG_WARN([Cannot compile single-precision SSE assembly kernel: disabling SSE assembly kernels alltogether])
  fi
fi

241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
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
258
259
260
261
  install_real_sse_block2=yes
  install_real_sse_block4=yes
  install_real_sse_block6=yes

262
  install_complex_sse_intrinsics=yes
263
264
  install_complex_sse_block1=yes
  install_complex_sse_block2=yes
265
else
266
  install_real_sse_intrinsics=no
267
268
269
270
  install_real_sse_block2=no
  install_real_sse_block4=no
  install_real_sse_block6=no

271
  install_complex_sse_intrinsics=no
272
273
  install_complex_sse_block1=no
  install_complex_sse_block2=no
274
fi
275

Andreas Marek's avatar
Andreas Marek committed
276
dnl check whether one can compile with avx - gcc intrinsics
277

278
dnl first pass: try with specified CFLAGS and CXXFLAGS
279
AC_MSG_CHECKING([whether we can compile AVX intrinsics in C])
280
281
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
 #include <x86intrin.h>
282
 int main(int argc, char **argv){
283
284
 double* q;
 __m256d a1_1 = _mm256_load_pd(q);
285
 return 0;
286
287
288
289
290
 }
 ])],
 [can_compile_avx=yes],
 [can_compile_avx=no]
)
Andreas Marek's avatar
Andreas Marek committed
291
AC_MSG_RESULT([${can_compile_avx}])
292

Andreas Marek's avatar
Andreas Marek committed
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
#if test "${can_compile_avx}" = "yes" ; then
#  AC_MSG_CHECKING([whether we can compile AVX intrinsics in C++])
#  AC_LANG_PUSH([C++])
#  AC_COMPILE_IFELSE([AC_LANG_SOURCE([
#   #include <x86intrin.h>
#   int main(int argc, char **argv){
#   double* q;
#   __m256d a1_1 = _mm256_load_pd(q);
#   return 0;
#   }
#   ])],
#   [can_compile_avx=yes],
#   [can_compile_avx=no]
#  )
#  AC_LANG_POP([C++])
#  AC_MSG_RESULT([${can_compile_avx}])
#  if test "${can_compile_avx}" = "no" ; then
#    AC_MSG_WARN([Cannot compile C++ with AVX: disabling AVX alltogether])
#  fi
#fi
313

314
315
316
317
318
319
320
321
322
323
324
325
326
327
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([${can_compile_avx2}])
Andreas Marek's avatar
Andreas Marek committed
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
#if test "${can_compile_avx2}" = "yes" ; then
#  AC_MSG_CHECKING([whether we can compile AVX2 intrinsics in C++])
#  AC_LANG_PUSH([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_LANG_POP([C++])
#  AC_MSG_RESULT([${can_compile_avx2}])
#  if test "${can_compile_avx2}" = "no" ; then
#    AC_MSG_WARN([Cannot compile C++ with AVX2!])
#  fi
#fi
349

350
if test "${can_compile_avx}" = "yes" ; then
Andreas Marek's avatar
Andreas Marek committed
351
352
353
354
355
356
  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
357
358
359
360
361
362
363
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
364
365
fi

366
367
368
369
if test "${can_compile_avx2}" = "yes" ; then
  install_real_avx2_block2=yes
  install_real_avx2_block4=yes
  install_real_avx2_block6=yes
Andreas Marek's avatar
Andreas Marek committed
370

371
372
373
374
375
376
377
378
379
380
  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
381
382
383
384

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])
385
fi
386
387
388
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])
389
fi
390

391
392
393
394
395
396
397
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])
398
399
400
401
402
403
404
405
406
fi

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
407
AC_MSG_RESULT([${with_avx_optimization}])
408
if test x"${with_avx_optimization}" = x"yes"; then
Andreas Marek's avatar
Andreas Marek committed
409
410
411
 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
412

413
AC_LANG([Fortran])
414
415
416
AC_FC_FREEFORM
AC_FC_MODULE_FLAG
AC_FC_MODULE_OUTPUT_FLAG
417
AC_FC_LIBRARY_LDFLAGS
418
419
420
421

save_FCFLAGS=$FCFLAGS
save_LDFLAGS=$LDFLAGS

422
423
424
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])

425
426
FCFLAGS="$FCFLAGS $SCALAPACK_FCFLAGS"
LDFLAGS="$LDFLAGS $SCALAPACK_LDFLAGS"
427

428
dnl check whether fortran error_unit is defined
429
AC_MSG_CHECKING([whether Fortran module iso_fortran_env is available])
430
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
431
432
433
434
435
436
437
438
439
440
  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]
)
441
AC_MSG_RESULT([${can_use_iso_fortran_env}])
442

443
444
445
446
dnl check whether one can link with specified MKL (desired method)
AC_MSG_CHECKING([whether we can compile a Fortran program using MKL])


447
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
448
  program test_mkl
449
    use mkl_service
450
451
452
453
454
455
456
457
458
459
460
461
    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"$can_compile_with_mkl" = x"yes" ; then
  AC_MSG_CHECKING([whether we can link a Fortran program with MKL])
462
  AC_LINK_IFELSE([AC_LANG_SOURCE([
463
    program test_mkl
464
      use mkl_service
465
466
467
468
469
      character*198 :: string
      call mkl_get_version_string(string)
      write(*,'(a)') string
    end program
  ])],
Andreas Marek's avatar
Andreas Marek committed
470
471
    [have_mkl=yes],
    [have_mkl=no]
472
  )
Andreas Marek's avatar
Andreas Marek committed
473
  AC_MSG_RESULT([${have_mkl}])
474
475
476
fi

dnl if not mkl, check all the necessary individually
477
if test x"${have_mkl}" = x"yes" ; then
478
479
480
481
  WITH_MKL=1
else

  dnl first check blas
Andreas Marek's avatar
Andreas Marek committed
482
483
484
  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}])
485

486
  if test x"${have_blas}" = x"no" ; then
487
    AC_MSG_ERROR([could not link with blas: specify path])
488
  fi
489
  dnl now lapack
Andreas Marek's avatar
Andreas Marek committed
490
491
492
  AC_SEARCH_LIBS([dlarrv],[lapack],[have_lapack=yes],[have_lapack=no])
  AC_MSG_CHECKING([whether we can link a program with a lapack lib])
  AC_MSG_RESULT([${have_lapack}])
493

494
  if test x"${have_lapack}" = x"no" ; then
495
    AC_MSG_ERROR([could not link with lapack: specify path])
496
  fi
Andreas Marek's avatar
Andreas Marek committed
497

498
499
500
501
502
503
504
505
506
507
508
509
510
  if test x"${enable_shared_memory_only}" = x"no"; then
    dnl test whether scalapack already contains blacs
    scalapack_libs="mpiscalapack scalapack"
    old_LIBS="$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
511

512
513
    if test x"${blacs_in_scalapack}" = x"no"; then
      LIBS="${old_LIBS}"
514

515
516
517
      dnl Test for stand-alone blacs
      AC_SEARCH_LIBS([bi_f77_init],[mpiblacsF77init],[],[],[-lmpiblacs])
      AC_SEARCH_LIBS([blacs_gridinit],[mpiblacs blacs],[have_blacs=yes],[have_blacs=no])
Andreas Marek's avatar
Andreas Marek committed
518

519
520
521
      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
522
    fi
523

524
    AC_SEARCH_LIBS([pdtran],[$scalapack_libs],[have_scalapack=yes],[have_scalapack=no])
Andreas Marek's avatar
Andreas Marek committed
525

526
527
528
    if test x"${have_scalapack}" = x"no" ; then
      AC_MSG_ERROR([could not link with scalapack: specify path])
    fi
529
530
531
532
  fi

  dnl check whether we can link alltogehter
  AC_MSG_CHECKING([whether we can link a Fortran program with all blacs/scalapack])
533
  AC_LINK_IFELSE([AC_LANG_SOURCE([
534
535
    program dgemm_test

536
537
      integer , parameter:: M = 4, N = 3, K = 2
      real :: A(M,K), B(K,N), C(M,N)
538

539
      call dgemm('N','N',M,N,K,1.0,A,M,B,K,0.0,C,M)
540
541
542
543
544
545
546
547

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

548
   if test x"${can_link_with_blacs_scalapack}" = x"yes" ; then
549
550
     WITH_BLACS=1
   else
551
   AC_MSG_ERROR([We can neither link with MKL or another Scalpack. Please specify SCALAPACK_LDFLAGS and SCALAPACK_FCFLAGS!])
552
553
554
   fi
fi

555
556
557
558
dnl important: reset them again!
FCFLAGS=$save_FCFLAGS
LDFLAGS=$save_LDFLAGS

Andreas Marek's avatar
Andreas Marek committed
559
560
561
562
dnl check for intrinsic fortran function of 2003 standard
AC_MSG_CHECKING([whether we can use the intrinsic Fortran function "get_environment_variable"])


563
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
Andreas Marek's avatar
Andreas Marek committed
564
565
566
567
568
569
570
571
572
573
  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}])

574
575
dnl check whether GPU version is requested

576
#CUDA_INSTALL_PATH="/usr/local/cuda/"
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
#CUDA_SDK_INSTALL_PATH="/usr/local/NVIDIA_GPU_Computing_SDK"

AC_MSG_CHECKING(whether GPU support is requested)
AC_ARG_ENABLE(gpu-support,[AS_HELP_STRING([--enable-gpu-support],
	                                   [build ELPA2 with GPU-support])],
              want_gpu="yes", want_gpu="no")
AC_MSG_RESULT([${want_gpu}])


AC_ARG_WITH([cuda-path],[AS_HELP_STRING([--with-cuda-path=PATH],[prefix where CUDA is installed @<:@default=auto@:>@])],
            [CUDA_INSTALL_PATH=$withval], [with_cuda=auto])

AC_ARG_WITH([cuda-sdk-path],[AS_HELP_STRING([--with-cuda-sdk-path=PATH],[prefix where CUDA SDK is installed @<:@default=auto@:>@])],
            [CUDA_SDK_INSTALL_PATH=$withval],[with_cuda_sdk=auto])

dnl setup nvcc flags and use them in later tests
if test x"${want_gpu}" = x"yes" ; then
  AC_LANG_PUSH([C])
595
  CUDA_CFLAGS="$CUDA_CFLAGS -arch sm_35 -O2 -I$CUDA_INSTALL_PATH/include"
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
  LDFLAGS="$LDFLAGS -L$CUDA_INSTALL_PATH/lib64"
  NVCCFLAGS="$NVCCFLAGS $CUDA_CFLAGS $CUDA_LDFLAGS"
  NVCC="nvcc"
  AC_SUBST(NVCC)
  AC_SUBST(NVCCFLAGS)

  dnl check whether nvcc compiler is found
  AC_CHECK_PROG(nvcc_found,nvcc,yes,no)
  if test x"${nvcc_found}" = x"no" ; then
    AC_MSG_ERROR([nvcc not found; try to set the cuda-path or disable GPU support])
  fi

  dnl check whether we find cublas
  AC_SEARCH_LIBS([cublasDgemm],[cublas],[have_cublas=yes],[have_cublas=no])
  if test x"${have_cublas}" = x"no"; then
    AC_MSG_ERROR([Could not link cublas; try to set the cuda-path or disable GPU support])
  fi
  AC_SEARCH_LIBS([cudaMemcpy],[cudart],[have_cudart=yes],[have_cudart=no])
  if test x"${have_cudart}" = x"no"; then
    AC_MSG_ERROR([Could not link cudart; try to set the cuda-path or disable GPU support])
  fi
  AC_LANG_POP([C])
  install_gpu=yes
Andreas Marek's avatar
Andreas Marek committed
619
  can_compile_gpu=yes
620
621
fi

Andreas Marek's avatar
Andreas Marek committed
622
623
624
625
626
627
628
629
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])

630
AC_LINK_IFELSE([AC_LANG_SOURCE([
Andreas Marek's avatar
Andreas Marek committed
631
632
633
  program test_bgp
    complex*16 :: y3,q3,h2
    y3 = fxcpmadd(y3,q3,h2)
634

Andreas Marek's avatar
Andreas Marek committed
635
636
637
638
639
640
641
  end program
])],
  [can_compile_bgp=yes],
  [can_compile_bgp=no]
)
AC_MSG_RESULT([${can_compile_bgp}])

642
if test x"${can_compile_bgp}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
643
644
  install_real_bgp=yes
  install_complex_bgp=yes
Andreas Marek's avatar
Andreas Marek committed
645
646
647
else
  install_real_bgp=no
  install_complex_bgp=no
Andreas Marek's avatar
Andreas Marek committed
648
649
650
651
652
fi

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

653
AC_LINK_IFELSE([AC_LANG_SOURCE([
Andreas Marek's avatar
Andreas Marek committed
654
  program test_bgq
Andreas Marek's avatar
Andreas Marek committed
655
656
    VECTOR(REAL(8))::QPX_h2
    real*8         :: hh(10,2)
Andreas Marek's avatar
Andreas Marek committed
657
    QPX_h2 = VEC_SPLATS(hh(2,2))
658

Andreas Marek's avatar
Andreas Marek committed
659
660
661
662
663
664
665
  end program
])],
  [can_compile_bgq=yes],
  [can_compile_bgq=no]
)
AC_MSG_RESULT([${can_compile_bgq}])

666
if test x"${can_compile_bgq}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
667
668
  install_real_bgq=yes
  install_complex_bgq=yes
Andreas Marek's avatar
Andreas Marek committed
669
670
671
else
  install_real_bgq=no
  install_complex_bgq=no
Andreas Marek's avatar
Andreas Marek committed
672
673
674
675
fi


dnl environment variable setting of kernel
676
if test x"${fortran_can_check_environment}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
677
678
679
 AC_DEFINE([HAVE_ENVIRONMENT_CHECKING],[1],[Fortran can querry environment variables])
fi

680
681
682
683
dnl default value
use_specific_real_kernel=no
use_specific_complex_kernel=no

684
685
686
dnl GPU version only
m4_include([m4/ax_elpa_gpu_version_only.m4])
DEFINE_OPTION_GPU_SUPPORT_ONLY([gpu-version-only],[gpu-support],[install_gpu])
Andreas Marek's avatar
Andreas Marek committed
687

688
689
dnl last check whether user wants to compile only a specific kernel
dnl
690
m4_include([m4/ax_elpa_specific_kernels.m4])
Andreas Marek's avatar
Andreas Marek committed
691

692
dnl real kernels
693
dnl do not remove this variable it is needed in the macros
694

695
696
dnl generic kernel
DEFINE_OPTION_SPECIFIC_REAL_KERNEL([real-generic-kernel-only],[generic-kernel],[install_real_generic])
Andreas Marek's avatar
Andreas Marek committed
697

698
699
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
700

701
dnl sse kernel
702
DEFINE_OPTION_SPECIFIC_REAL_KERNEL([real-sse-assembly-kernel-only],[sse-assembly-kernel],[install_real_sse_assembly])
Andreas Marek's avatar
Andreas Marek committed
703

704
705
dnl bgp kernel
DEFINE_OPTION_SPECIFIC_REAL_KERNEL([real-bgp-kernel-only],[bgp-kernel],[install_real_bgp])
Andreas Marek's avatar
Andreas Marek committed
706

707
708
dnl bgq kernel
DEFINE_OPTION_SPECIFIC_REAL_KERNEL([real-bgq-kernel-only],[bgq-kernel],[install_real_bgq])
Andreas Marek's avatar
Andreas Marek committed
709

710
711
dnl real-sse-block2 kernel
DEFINE_OPTION_SPECIFIC_REAL_KERNEL([real-sse-block2-kernel-only],[real-sse-block2-kernel],[install_real_sse_block2])
712

713
714
dnl real-sse-block4 kernel
DEFINE_OPTION_SPECIFIC_REAL_KERNEL([real-sse-block4-kernel]-only,[real-sse-block4-kernel],[install_real_sse_block4])
715

716
717
dnl real-sse-block6 kernel
DEFINE_OPTION_SPECIFIC_REAL_KERNEL([real-sse-block6-kernel-only],[real-sse-block6-kernel],[install_real_sse_block6])
718

719
720
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
721

722
723
dnl real-avx-block4 kernel
DEFINE_OPTION_SPECIFIC_REAL_KERNEL([real-avx-block4-kernel]-only,[real-avx-block4-kernel],[install_real_avx_block4])
724

725
726
dnl real-avx-block6 kernel
DEFINE_OPTION_SPECIFIC_REAL_KERNEL([real-avx-block6-kernel-only],[real-avx-block6-kernel],[install_real_avx_block6])
Andreas Marek's avatar
Andreas Marek committed
727
728

dnl complex kernels
729

730
731
dnl generic kernel
DEFINE_OPTION_SPECIFIC_COMPLEX_KERNEL([complex-generic-kernel-only],[generic-kernel],[install_complex_generic])
Andreas Marek's avatar
Andreas Marek committed
732

733
734
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
735

736
dnl sse kernel
737
DEFINE_OPTION_SPECIFIC_COMPLEX_KERNEL([complex-sse-assembly-kernel-only],[sse-assembly-kernel],[install_complex_sse_assembly])
Andreas Marek's avatar
Andreas Marek committed
738

739
740
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
741

742
743
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
744

745
746
dnl complex-sse-block1 kernel
DEFINE_OPTION_SPECIFIC_COMPLEX_KERNEL([complex-sse-block1-kernel-only],[complex-sse-block1-kernel],[install_complex_sse_block1])
747

748
749
dnl complex-sse-block2 kernel
DEFINE_OPTION_SPECIFIC_COMPLEX_KERNEL([complex-sse-block2-kernel-only],[complex-sse-block2-kernel],[install_complex_sse_block2])
750

751
752
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
753

754
755
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
756

757
dnl set the conditionals according to the previous tests
758

759
if test x"${can_use_iso_fortran_env}" = x"yes" ; then
760
761
762
 AC_DEFINE([HAVE_ISO_FORTRAN_ENV],[1],[can use module iso_fortran_env])
fi

763
764
765
AM_CONDITIONAL([WITH_GPU_VERSION],[test x"$install_gpu" = x"yes"])
if test x"${install_gpu}" = x"yes" ; then
  AC_DEFINE([WITH_GPU_VERSION],[1],[enable GPU support])
766
fi
767

Andreas Marek's avatar
Andreas Marek committed
768
AM_CONDITIONAL([WITH_REAL_GENERIC_KERNEL],[test x"$install_real_generic" = x"yes"])
769
if test x"${install_real_generic}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
770
771
772
773
 AC_DEFINE([WITH_REAL_GENERIC_KERNEL],[1],[can use real generic kernel])
fi

AM_CONDITIONAL([WITH_COMPLEX_GENERIC_KERNEL],[test x"$install_complex_generic" = x"yes"])
774
if test x"${install_complex_generic}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
775
776
777
778
 AC_DEFINE([WITH_COMPLEX_GENERIC_KERNEL],[1],[can use complex generic kernel])
fi

AM_CONDITIONAL([WITH_REAL_GENERIC_SIMPLE_KERNEL],[test x"$install_real_generic_simple" = x"yes"])
779
if test x"${install_real_generic_simple}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
780
781
782
783
 AC_DEFINE([WITH_REAL_GENERIC_SIMPLE_KERNEL],[1],[can use real generic-simple kernel])
fi

AM_CONDITIONAL([WITH_COMPLEX_GENERIC_SIMPLE_KERNEL],[test x"$install_complex_generic_simple" = x"yes"])
784
if test x"${install_complex_generic_simple}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
785
786
787
 AC_DEFINE([WITH_COMPLEX_GENERIC_SIMPLE_KERNEL],[1],[can use complex generic-simple kernel])
fi

788
789
790
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
791
792
fi

793
794
795
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
796
797
fi

798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
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
813
AM_CONDITIONAL([WITH_REAL_AVX_BLOCK2_KERNEL],[test x"$install_real_avx_block2" = x"yes"])
814
if test x"${install_real_avx_block2}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
815
816
817
818
 AC_DEFINE([WITH_REAL_AVX_BLOCK2_KERNEL],[1],[can use real_avx_block2 kernel])
fi

AM_CONDITIONAL([WITH_REAL_AVX_BLOCK4_KERNEL],[test x"$install_real_avx_block4" = x"yes"])
819
if test x"${install_real_avx_block4}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
820
821
822
823
 AC_DEFINE([WITH_REAL_AVX_BLOCK4_KERNEL],[1],[can use real_avx_block4 kernel])
fi

AM_CONDITIONAL([WITH_REAL_AVX_BLOCK6_KERNEL],[test x"$install_real_avx_block6" = x"yes"])
824
if test x"${install_real_avx_block6}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
825
826
827
 AC_DEFINE([WITH_REAL_AVX_BLOCK6_KERNEL],[1],[can use real_avx_block6 kernel])
fi

828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
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

843
844
845
846
847
848
849
850
851
852
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
853
AM_CONDITIONAL([WITH_COMPLEX_AVX_BLOCK1_KERNEL],[test x"$install_complex_avx_block1" = x"yes"])
854
if test x"${install_complex_avx_block1}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
855
856
857
858
 AC_DEFINE([WITH_COMPLEX_AVX_BLOCK1_KERNEL],[1],[can use complex_avx_block1 kernel])
fi

AM_CONDITIONAL([WITH_COMPLEX_AVX_BLOCK2_KERNEL],[test x"$install_complex_avx_block2" = x"yes"])
859
if test x"${install_complex_avx_block2}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
860
861
862
 AC_DEFINE([WITH_COMPLEX_AVX_BLOCK2_KERNEL],[1],[can use complex_avx_block2 kernel])
fi

863
864
865
866
867
868
869
870
871
872
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
873
AM_CONDITIONAL([WITH_REAL_BGP_KERNEL],[test x"$install_real_bgp" = x"yes"])
874
if test x"${install_real_bgp}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
875
876
877
878
 AC_DEFINE([WITH_REAL_BGP_KERNEL],[1],[can use real BGP kernel])
fi

AM_CONDITIONAL([WITH_REAL_BGQ_KERNEL],[test x"$install_real_bgq" = x"yes"])
879
if test x"${install_real_bgq}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
880
881
882
 AC_DEFINE([WITH_REAL_BGQ_KERNEL],[1],[can use real BGQ kernel])
fi

883
if test x"${use_specific_complex_kernel}" = x"no" ; then
884
	AC_DEFINE([WITH_NO_SPECIFIC_COMPLEX_KERNEL],[1],[do not use only one specific complex kernel (set at compile time)])
885
886
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
887
888
fi

889
if test x"${use_specific_real_kernel}" = x"no" ; then
890
  AC_DEFINE([WITH_NO_SPECIFIC_REAL_KERNEL],[1],[do not use only one specific real kernel (set at compile time)])
891
892
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
893
894
fi

895
896
LT_INIT

897
898
899
900
901
902
DX_PDF_FEATURE(OFF)
DX_PS_FEATURE(OFF)
DX_MAN_FEATURE(ON)
DX_HTML_FEATURE(ON)
DX_INIT_DOXYGEN([ELPA], [Doxyfile], [docs])

903
DESPERATELY_WANT_ASSUMED_SIZE=0
904
if test x"${DESPERATELY_WANT_ASSUMED_SIZE}" = x"yes" ; then
905
906
907
  AC_DEFINE([DESPERATELY_WANT_ASSUMED_SIZE],[1],[use assumed size arrays, even if not debuggable])
fi

908
909
910
if test x"${want_single_precision}" = x"yes" ; then
  AC_DEFINE([WANT_SINGLE_PRECISION_REAL],[1],[build also single-precision for real calculation])
  AC_DEFINE([WANT_SINGLE_PRECISION_COMPLEX],[1],[build also single-precision for complex calculation])
911
fi
912
913
AM_CONDITIONAL([WANT_SINGLE_PRECISION_REAL],[test x"$want_single_precision" = x"yes"])
AM_CONDITIONAL([WANT_SINGLE_PRECISION_COMPLEX],[test x"$want_single_precision" = x"yes"])
914

915
916
917
918
919
AC_SUBST([WITH_MKL])
AC_SUBST([WITH_BLACS])
AC_SUBST([with_amd_bulldozer_kernel])
AC_SUBST([FC_MODINC])
AC_SUBST([FC_MODOUT])
920
921
922
AC_SUBST([OPENMP_CFLAGS])
AC_SUBST([OPENMP_FCFLAGS])
AC_SUBST([OPENMP_LDFLAGS])
923
#AC_SUBST(OPT_FCFLAGS)
924
AC_SUBST([DOXYGEN_OUTPUT_DIR], [docs])
925

926
rm -rf modules/ .fortran_dependencies/
927
928
929
930
931
932
933
934
935
936
937
mkdir modules

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

938
939
940
941
942
943
944
945
946

# 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')
947

948
if test x"${enable_openmp}" = x"yes"; then
949
	SUFFIX="_openmp"
950
else
951
	SUFFIX=""
952
fi
953
954
AC_SUBST([SUFFIX])
AC_SUBST([PKG_CONFIG_FILE],[elpa${SUFFIX}-${PACKAGE_VERSION}.pc])
955

956
957
AC_CONFIG_FILES([
  Makefile
958
  Doxyfile
959
  ${PKG_CONFIG_FILE}:elpa.pc.in
960
])
961

962
AC_OUTPUT
963
964
965
966
967
968


if test -e config.h ; then
  grep "^#define" config.h > config-f90.h
else
  echo "Warning! No config.h was generated, check for errors and re-run configure!"
Andreas Marek's avatar
Andreas Marek committed
969
  exit 1
970
fi
Andreas Marek's avatar
Andreas Marek committed
971
972
973

echo "Generating elpa/elpa_generated.h..."
mkdir -p elpa
974
975
grep -h "^ *!c>" $srcdir/src/elpa_c_interface.F90 | sed 's/^ *!c>//;' > elpa/elpa_generated.h || exit 1

976
977
echo "Generating Fortran interfaces for C kernels"
grep -h "^ *!f>" $srcdir/src/elpa2_kernels/*.c | sed 's/^ *!f>//;' > elpa/elpa_generated_fortran_interfaces.h || exit 1
Andreas Marek's avatar
Andreas Marek committed
978
#grep -h "^ *!f>" $srcdir/src/elpa2_kernels/*.cpp | sed 's/^ *!f>//;' >> elpa/elpa_generated_fortran_interfaces.h || exit 1
979

980
981
982
echo "Generating test/shared_sources/generated.h..."
mkdir -p test/shared_sources
grep -h "^ *!c>" $srcdir/test/shared_sources/*.F90 | sed 's/^ *!c>//;' > test/shared_sources/generated.h || exit 1
Andreas Marek's avatar
Andreas Marek committed
983

984
if test "${can_compile_avx}" = "no" ; then
985
#  if test x"${want_avx}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
986
    AC_MSG_WARN([Could not compile AVX instructions])
987
#  fi
988
fi
989
if test "${can_compile_avx2}" = "no" ; then
990
#  if test x"${want_avx2}" = x"yes" ; then
991
    AC_MSG_WARN([Could not compile AVX2 instructions])
992
#  fi
993
fi
994
995
996
997

if test "${can_compile_sse}" = "no" ; then
  AC_MSG_WARN([Could not compile SSE instructions])
fi