configure.ac 40.9 KB
Newer Older
1
AC_PREREQ([2.69])
2

3 4
# The version is set in elpa.spec, to have a single point of reference
AC_INIT([elpa],m4_esyscmd_s([awk '/^ *Version:/ {print $2;}' elpa.spec]), [elpa-library@mpcdf.mpg.de])
5
AC_SUBST([PACKAGE_VERSION])
6

7
AC_CONFIG_SRCDIR([src/elpa.F90])
8 9

AM_INIT_AUTOMAKE([foreign -Wall subdir-objects])
10

11 12 13 14
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_HEADERS([config.h])
AM_SILENT_RULES([yes])

15 16
# ABI version
#
17 18 19 20 21 22 23 24 25 26 27 28 29
# 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)
#
30
AC_SUBST([ELPA_SO_VERSION], [11:0:0])
31 32 33

# API Version
AC_DEFINE([EARLIEST_API_VERSION], [20170403], [Earliest supported ELPA API version])
Andreas Marek's avatar
Andreas Marek committed
34
AC_DEFINE([CURRENT_API_VERSION], [20180301], [Current ELPA API version])
Andreas Marek's avatar
Andreas Marek committed
35 36
# Autotune Version
AC_DEFINE([EARLIEST_AUTOTUNE_VERSION], [20171201], [Earliest ELPA API version, which supports autotuning])
37

38 39 40 41 42
AX_CHECK_GNU_MAKE()
if test x$_cv_gnu_make_command = x ; then
        AC_MSG_ERROR([Need GNU Make])
fi

43 44 45 46 47 48
AC_ARG_ENABLE([legacy],
              AS_HELP_STRING([--disable-legacy],
                             [do not build legacy API, default yes]),
              [],
              [enable_legacy=yes])
AM_CONDITIONAL([ENABLE_LEGACY],[test x"$enable_legacy" = x"yes"])
49 50 51 52 53

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

54

55
dnl OpenMP
56
m4_include([m4/ax_elpa_openmp.m4])
57 58
AC_MSG_CHECKING(whether --enable-openmp is specified)
AC_ARG_ENABLE([openmp],
59 60 61 62
              AS_HELP_STRING([--enable-openmp],
                             [use OpenMP threading, default no.]),
              [],
              [enable_openmp=no])
63 64 65
AC_MSG_RESULT([${enable_openmp}])
AM_CONDITIONAL([WITH_OPENMP],[test x"$enable_openmp" = x"yes"])
if test x"${enable_openmp}" = x"yes"; then
66
        AC_DEFINE([WITH_OPENMP], [1], [use OpenMP threading])
67 68
fi

69

70 71
dnl mpi
AC_ARG_WITH(mpi, [AS_HELP_STRING([--with-mpi=[[yes|no]]], [compile with MPI. Default: yes])],,[with_mpi=yes])
72
AM_CONDITIONAL([WITH_MPI],[test x"$with_mpi" = x"yes"])
73
if test x"${with_mpi}" = x"yes"; then
74
  AC_DEFINE([WITH_MPI], [1], [use MPI])
75 76
fi

77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95

dnl Scalapack tests
AC_MSG_CHECKING(whether --enable-scalapack-tests is specified)
AC_ARG_ENABLE([scalapack-tests],
              AS_HELP_STRING([--enable-scalapack-tests],
                             [build SCALAPACK test cases for performance comparison, needs MPI, default no.]),
              [],
              [enable_scalapack_tests="no"])
AC_MSG_RESULT([$enable_scalapack_tests])
if test x"${enable_scalapack_tests}" = x"yes"; then
        if test x"$with_mpi" = x"no"; then
                AC_MSG_ERROR([You cannot build the SCALAPCK test cases without MPI])
        fi
        AC_DEFINE([WITH_SCALAPACK_TESTS], [1], [build SCALAPACK test cases])
fi
AM_CONDITIONAL([WITH_SCALAPACK_TESTS], [test x"$enable_scalapack_tests" = x"yes"])


dnl C
96
AC_LANG_PUSH([C])
97 98 99 100 101 102
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
103

104
if test x"${enable_openmp}" = x"yes"; then
105 106 107 108 109
  AX_ELPA_OPENMP
  if test "$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"
110
fi
111

112 113 114 115 116 117 118 119

AX_CHECK_COMPILE_FLAG([-std=c11], [
  CFLAGS+=" -std=c11"
], [
  echo "C compiler cannot compile C11 code"
  exit -1
])

120
AC_PROG_INSTALL
121 122
AM_PROG_AR
AM_PROG_AS
123
AC_PROG_CC_C99
124
AM_PROG_CC_C_O
125
AC_LANG_POP([C])
Andreas Marek's avatar
Andreas Marek committed
126 127

# Fortran
128
AC_LANG_PUSH([Fortran])
Andreas Marek's avatar
Andreas Marek committed
129
m4_include([m4/ax_prog_fc_mpi.m4])
130 131 132 133 134 135
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
136

137
AC_FC_SRCEXT([F90])
138 139 140 141 142
AC_FC_FREEFORM
AC_FC_MODULE_FLAG
AC_FC_MODULE_OUTPUT_FLAG
AC_FC_LIBRARY_LDFLAGS

143

144
if test x"${enable_openmp}" = x"yes"; then
145 146 147 148 149
  AX_ELPA_OPENMP
  if test "$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"
150 151
fi

152 153
dnl check which MPI binray invokes a MPI job
if test x"$with_mpi" = x"yes"; then
154
  AC_CHECK_PROGS([MPI_BINARY], [mpiexec.hydra mpiexec mpirun poe runjob srun], [no])
155
  if test x"$MPI_BINARY" = x"no"; then
156
    AC_MSG_ERROR([Could not find either of the MPI binaries: mpiexec.hydra, mpiexec, mpirun, poe, runjob, srun])
157 158 159
  fi
fi

160 161 162
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)
163
AC_ARG_ENABLE([redirect],
164 165 166 167
              [AS_HELP_STRING([--enable-redirect],
                              [for test programs, allow redirection of stdout/stderr per MPI taks in a file (useful for timing), default no.])],
              [],
              [enable_redirect=no])
168 169
AC_MSG_RESULT([${enable_redirect}])

170 171 172 173 174 175 176 177 178 179
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="$enableval"],
              [want_single_precision="no"])
AC_MSG_RESULT([${want_single_precision}])


180 181
dnl redirect
if test x"${enable_redirect}" = x"yes"; then
182 183
  AC_DEFINE([HAVE_REDIRECT], [1], [Redirect stdout and stderr of test programs per MPI tasks to a file])
fi
184 185 186
AM_CONDITIONAL([HAVE_REDIRECT],[test x"$enable_redirect" = x"yes"])

dnl build with ftimings support
187

Andreas Marek's avatar
Andreas Marek committed
188
AC_ARG_ENABLE([timings],
189 190 191 192
              [AS_HELP_STRING([--disable-timings],
                              [more detailed timing, default yes])],
              [],
              [enable_timings=yes])
193 194 195 196

if test x"${enable_timings}" = x"yes"; then
  AC_DEFINE([HAVE_DETAILED_TIMINGS], [1], [Enable more timing])
fi
197
AM_CONDITIONAL([HAVE_DETAILED_TIMINGS], [test x"$enable_timings" = x"yes"])
198 199

dnl PAPI for ftimings
200
AC_LANG_PUSH([C])
201
AC_ARG_WITH([papi],
202 203 204 205
            [AS_HELP_STRING([--with-papi],
                            [Use PAPI to also measure flop count in the detailed timing (--enable-timing), disabled by default])],
            [],
            [with_papi="no"])
206 207
if test x"${enable_timings}" = x"yes"; then
  if test x"$with_papi" = x"yes" ; then
208
    AC_SEARCH_LIBS([PAPI_library_init], [papi], [papi_found=yes], [papi_found=no])
209 210
    if test x"$papi_found" = x"no" ; then
      AC_MSG_ERROR(["Could not find usable PAPI installation, please install or adjust CFLAGS, LDFLAGS"])
211 212 213 214
    fi
    AC_DEFINE([HAVE_LIBPAPI], [1], [Use the PAPI library])
  fi
fi
215
AC_LANG_POP([C])
216

217 218 219
save_FCFLAGS=$FCFLAGS
save_LDFLAGS=$LDFLAGS

220 221 222
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])

223 224
FCFLAGS="$FCFLAGS $SCALAPACK_FCFLAGS"
LDFLAGS="$LDFLAGS $SCALAPACK_LDFLAGS"
225

226
dnl check whether fortran error_unit is defined
227
AC_MSG_CHECKING([whether Fortran module iso_fortran_env is available])
228
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
229
  program test_error_unit
230
    use iso_fortran_env, only : error_unit
231 232 233 234 235 236 237 238
    implicit none

    write(error_unit,*) "error_unit is defined"
  end program
])],
  [can_use_iso_fortran_env=yes],
  [can_use_iso_fortran_env=no]
)
239
AC_MSG_RESULT([${can_use_iso_fortran_env}])
240 241 242 243
if test x"${can_use_iso_fortran_env}" = x"yes" ; then
 AC_DEFINE([HAVE_ISO_FORTRAN_ENV],[1],[can use module iso_fortran_env])
fi

244

245 246
dnl check whether one can link with specified MKL (desired method)
AC_MSG_CHECKING([whether we can compile a Fortran program using MKL])
247
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
248
  program test_mkl
249
    use mkl_service
250 251 252 253 254 255 256 257 258 259 260 261
    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"$can_compile_with_mkl" = x"yes" ; then
  AC_MSG_CHECKING([whether we can link a Fortran program with MKL])
262
  AC_LINK_IFELSE([AC_LANG_SOURCE([
263
    program test_mkl
264
      use mkl_service
265 266 267 268 269
      character*198 :: string
      call mkl_get_version_string(string)
      write(*,'(a)') string
    end program
  ])],
Andreas Marek's avatar
Andreas Marek committed
270 271
    [have_mkl=yes],
    [have_mkl=no]
272
  )
Andreas Marek's avatar
Andreas Marek committed
273
  AC_MSG_RESULT([${have_mkl}])
274 275 276
fi

dnl if not mkl, check all the necessary individually
277
if test x"${have_mkl}" = x"yes" ; then
278 279 280 281
  WITH_MKL=1
else

  dnl first check blas
282
  AC_SEARCH_LIBS([dgemm],[openblas satlas blas],[have_blas=yes],[have_blas=no])
Andreas Marek's avatar
Andreas Marek committed
283 284
  AC_MSG_CHECKING([whether we can link a program with a blas lib])
  AC_MSG_RESULT([${have_blas}])
285

286
  if test x"${have_blas}" = x"no" ; then
287
    AC_MSG_ERROR([could not link with blas: specify path])
288
  fi
289
  dnl now lapack
Andreas Marek's avatar
Andreas Marek committed
290 291 292
  AC_SEARCH_LIBS([dlarrv],[lapack],[have_lapack=yes],[have_lapack=no])
  AC_MSG_CHECKING([whether we can link a program with a lapack lib])
  AC_MSG_RESULT([${have_lapack}])
293

294
  if test x"${have_lapack}" = x"no" ; then
295
    AC_MSG_ERROR([could not link with lapack: specify path])
296
  fi
Andreas Marek's avatar
Andreas Marek committed
297

298
  if test x"${with_mpi}" = x"yes"; then
299
    dnl test whether scalapack already contains blacs
300
    scalapack_libs="mpiscalapack scalapack scalapack-openmpi"
301 302 303 304 305 306 307 308 309 310
    old_LIBS="$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
311

312 313
    if test x"${blacs_in_scalapack}" = x"no"; then
      LIBS="${old_LIBS}"
314

315 316
      dnl Test for stand-alone blacs
      AC_SEARCH_LIBS([bi_f77_init],[mpiblacsF77init],[],[],[-lmpiblacs])
317 318 319 320 321 322

      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
323
      AC_SEARCH_LIBS([blacs_gridinit],[mpiblacs blacs],[have_blacs=yes],[have_blacs=no])
Andreas Marek's avatar
Andreas Marek committed
324

325 326 327
      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
328
    fi
329

330
    AC_SEARCH_LIBS([pdtran],[$scalapack_libs],[have_scalapack=yes],[have_scalapack=no])
Andreas Marek's avatar
Andreas Marek committed
331

332 333 334
    if test x"${have_scalapack}" = x"no" ; then
      AC_MSG_ERROR([could not link with scalapack: specify path])
    fi
335 336 337 338
  fi

  dnl check whether we can link alltogehter
  AC_MSG_CHECKING([whether we can link a Fortran program with all blacs/scalapack])
339
  AC_LINK_IFELSE([AC_LANG_SOURCE([
340 341
    program dgemm_test

342 343
      integer , parameter:: M = 4, N = 3, K = 2
      real :: A(M,K), B(K,N), C(M,N)
344

345
      call dgemm('N','N',M,N,K,1.0,A,M,B,K,0.0,C,M)
346 347 348 349 350 351 352 353

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

354
   if test x"${can_link_with_blacs_scalapack}" = x"yes" ; then
355 356
     WITH_BLACS=1
   else
357
   AC_MSG_ERROR([We can neither link with MKL or another Scalpack. Please specify SCALAPACK_LDFLAGS and SCALAPACK_FCFLAGS!])
358 359 360
   fi
fi

361 362 363 364
dnl important: reset them again!
FCFLAGS=$save_FCFLAGS
LDFLAGS=$save_LDFLAGS

365

Andreas Marek's avatar
Andreas Marek committed
366 367 368 369
dnl check for intrinsic fortran function of 2003 standard
AC_MSG_CHECKING([whether we can use the intrinsic Fortran function "get_environment_variable"])


370
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
Andreas Marek's avatar
Andreas Marek committed
371 372 373 374 375 376 377 378 379
  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([${fortran_can_check_environment}])
380 381 382
if test x"${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
383

384

385 386
dnl check whether BAND_TO_FULL_BLOCKING is set
AC_MSG_CHECKING(whether BAND_TO_FLULL_BLOCKING is requested)
387
AC_ARG_ENABLE(band-to-full-blocking,[AS_HELP_STRING([--disable-band-to-full-blocking],
388
                                                    [build ELPA2 with blocking in band_to_full (default: enabled)])],
389 390 391
              [],
	      [enable_band_to_full_blocking="yes"])
AC_MSG_RESULT([${enable_band_to_full_blocking}])
392

393 394
AM_CONDITIONAL([BAND_TO_FULL_BLOCKING],[test x"$enable_band_to_full_blocking" = x"yes"])
if test x"${enable_band_to_full_blocking}" = x"yes"; then
395
       AC_DEFINE([BAND_TO_FULL_BLOCKING], [1], [use blocking in trans_ev_band_to_full])
396 397
fi

398 399 400 401 402 403 404

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])

405

406
dnl setup nvcc flags and use them in later tests
407 408 409
user_sets_gpu_compute_capability="no"
AC_MSG_CHECKING(whether a GPU compute capability is specified)
AC_ARG_WITH([GPU-compute-capability],
410 411 412
            [AS_HELP_STRING([--with-GPU-compute-capability=VALUE],
                            [use compute capability VALUE for GPU version, default: "sm_35"])],
            [user_sets_gpu_compute_capability="yes"],[cuda_compute_capability="sm_35"])
413 414
AC_MSG_RESULT([${user_sets_gpu_compute_capability}])

415

416 417 418 419 420 421 422 423 424 425 426
dnl sanity check whether compute capability setting by user is reasonable
if test x"${user_sets_gpu_compute_capability}" = x"yes" ; then
  dnl the user must set a value which starts with "sm_"
  value=$(echo $withval | cut -c1-3)
  if test x"${value}" = x"sm_" ; then
    cuda_compute_capability=$withval
  else
    AC_MSG_ERROR([Unknown GPU compute capability set: ${withval}])
  fi
fi

Andreas Marek's avatar
Andreas Marek committed
427

428 429
dnl Test possibility of 'use mpi', if requested
if test x"${with_mpi}" = x"yes" ; then
430 431
  AC_ARG_ENABLE([mpi-module],
                AS_HELP_STRING([--disable-mpi-module],
432
                               [do not use the Fortran MPI module, get interfaces by 'include "mpif.h')]),
433
                [],
434 435
                [enable_mpi_module=yes])
  if test x"${enable_mpi_module}" = x"yes" ; then
436 437 438 439 440 441 442 443 444 445 446 447 448 449 450
    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
451
      AC_MSG_ERROR([Could not compile a Fortran program with an 'use mpi' statement. You can try again with --disable-mpi-module])
452
    fi
453
  fi
Andreas Marek's avatar
Andreas Marek committed
454
fi
455
AC_LANG_POP([Fortran])
Andreas Marek's avatar
Andreas Marek committed
456

457 458
dnl Assemble the list of kernels to build
m4_pattern_forbid([elpa_m4])
Andreas Marek's avatar
Andreas Marek committed
459

460 461 462 463 464 465
m4_define(elpa_m4_generic_kernels, [
        real_generic
        real_generic_simple
        complex_generic
        complex_generic_simple
])
466

467 468 469 470
m4_define(elpa_m4_sse_assembly_kernels, [
        real_sse_assembly
        complex_sse_assembly
])
471

472 473 474 475 476 477 478
m4_define(elpa_m4_sse_kernels, [
        real_sse_block2
        real_sse_block4
        real_sse_block6
        complex_sse_block1
        complex_sse_block2
])
479

480 481 482 483 484 485
m4_define(elpa_m4_sparc64_kernels, [
        real_sparc64_block2
        real_sparc64_block4
        real_sparc64_block6
])

486 487 488 489 490 491
m4_define(elpa_m4_vsx_kernels, [
        real_vsx_block2
        real_vsx_block4
        real_vsx_block6
])

492 493 494 495 496 497 498
m4_define(elpa_m4_avx_kernels, [
        real_avx_block2
        real_avx_block4
        real_avx_block6
        complex_avx_block1
        complex_avx_block2
])
Andreas Marek's avatar
Andreas Marek committed
499

500 501 502 503 504 505 506
m4_define(elpa_m4_avx2_kernels, [
        real_avx2_block2
        real_avx2_block4
        real_avx2_block6
        complex_avx2_block1
        complex_avx2_block2
])
Andreas Marek's avatar
Andreas Marek committed
507

508 509 510 511 512 513 514
m4_define(elpa_m4_avx512_kernels, [
        real_avx512_block2
        real_avx512_block4
        real_avx512_block6
        complex_avx512_block1
        complex_avx512_block2
])
Andreas Marek's avatar
Andreas Marek committed
515

516 517 518 519
m4_define(elpa_m4_bgp_kernels, [
        real_bgp
        complex_bgp
])
Andreas Marek's avatar
Andreas Marek committed
520

521 522 523 524
m4_define(elpa_m4_bgq_kernels, [
        real_bgq
        complex_bgq
])
Andreas Marek's avatar
Andreas Marek committed
525

526
m4_define(elpa_m4_gpu_kernels, [
527 528
        real_gpu
        complex_gpu
529
])
530

531
m4_define(elpa_m4_kernel_types, [generic sparc64 vsx sse sse_assembly avx avx2 avx512 bgp bgq gpu])
532

533 534 535 536
m4_define(elpa_m4_all_kernels,
          m4_foreach_w([elpa_m4_type],
                       elpa_m4_kernel_types,
                       [m4_foreach_w([elpa_m4_kernel],[elpa_m4_]elpa_m4_type[_kernels],elpa_m4_kernel )]))
Andreas Marek's avatar
Andreas Marek committed
537

538 539 540 541
m4_define(elpa_m4_real_kernels,
          m4_foreach_w(elpa_m4_kernel,
                       elpa_m4_all_kernels,
                       [m4_bmatch(elpa_m4_kernel,real,elpa_m4_kernel) ]))
Andreas Marek's avatar
Andreas Marek committed
542

543 544 545 546
m4_define(elpa_m4_complex_kernels,
          m4_foreach_w(elpa_m4_kernel,
                       elpa_m4_all_kernels,
                       [m4_bmatch(elpa_m4_kernel,complex,elpa_m4_kernel) ]))
547

548 549 550 551 552 553 554 555 556 557 558 559 560
dnl
dnl ELPA_SELECT_KERNELS([flagname],[default])
dnl
dnl  default should be one of `enable' or `disable'
dnl
AC_DEFUN([ELPA_SELECT_KERNELS], [
        AC_ARG_ENABLE(m4_bpatsubst($1,[_],[-]),[AS_HELP_STRING([--]m4_case([$2],[enable],[disable],[disable],[enable])[-]m4_bpatsubst($1,[_],[-]),
                m4_case([$2],[enable],[do not build],[disable],[build])[ ]m4_toupper($1)[ kernels, default: $2d])],
                      [],[enable_$1=]m4_case([$2],[enable],[yes],[disable],[no]))
        m4_foreach_w(elpa_m4_kernel,elpa_m4_$1_kernels,[
                use_[]elpa_m4_kernel[=$enable_$1]
        ])
])
561

562 563
dnl Modify list of kernels with configure arguments
ELPA_SELECT_KERNELS([generic],[enable])
564
ELPA_SELECT_KERNELS([sparc64],[disable])
565
ELPA_SELECT_KERNELS([vsx],[disable])
566 567 568 569 570 571 572 573 574 575 576 577
ELPA_SELECT_KERNELS([sse],[enable])
ELPA_SELECT_KERNELS([sse_assembly],[enable])
ELPA_SELECT_KERNELS([avx],[enable])
ELPA_SELECT_KERNELS([avx2],[enable])
ELPA_SELECT_KERNELS([avx512],[disable])
ELPA_SELECT_KERNELS([gpu],[disable])
ELPA_SELECT_KERNELS([bgp],[disable])
ELPA_SELECT_KERNELS([bgq],[disable])

m4_foreach_w([elpa_m4_kind],[real complex],[
        default_[]elpa_m4_kind[]_kernel=""
])
578

579
if test x"${enable_bgp}" = x"yes" -o x"$enable_bgq" = x"yes"; then
580
        m4_foreach_w([elpa_m4_kernel], elpa_m4_sparc64_kernels elpa_m4_vsx_kernels elpa_m4_sse_kernels elpa_m4_avx_kernels elpa_m4_avx2_kernels elpa_m4_avx512_kernels, [
581 582 583 584 585 586 587 588 589 590 591 592
                if x"$use_[]elpa_m4_kernel[]" = x"yes" ; then
                        echo "Disabling elpa_m4_kernel due to BGP/BGQ option"
                fi
                use_[]elpa_m4_kernel[]=no
        ])
fi


dnl Deal with --with-fixed-[real|complex]-kernel arguments
m4_foreach_w([elpa_m4_kind],[real complex],[
        AC_ARG_WITH([fixed-]elpa_m4_kind[-kernel], m4_expand([AS_HELP_STRING([--with-fixed-]elpa_m4_kind[-kernel]=KERNEL,
                [compile with only a single specific ]elpa_m4_kind[ kernel. Available kernels are:]
593 594
                 m4_foreach_w([elpa_m4_kernel],m4_expand(elpa_m4_[]elpa_m4_kind[]_kernels),[m4_bpatsubst(elpa_m4_kernel,elpa_m4_kind[]_,[]) ]))]),
                 [fixed_]elpa_m4_kind[_kernel="]elpa_m4_kind[_$withval"],[fixed_]elpa_m4_kind[_kernel=""])
595
        if test -n "$fixed_[]elpa_m4_kind[]_kernel" ; then
596
                found="no"
597 598 599
                m4_foreach_w([elpa_m4_otherkernel],m4_expand(elpa_m4_[]elpa_m4_kind[]_kernels),[
                        if test "$fixed_]elpa_m4_kind[_kernel" = "]elpa_m4_otherkernel[" ; then
                                use_[]elpa_m4_otherkernel[]=yes
600
                                found="yes"
601 602 603 604
                        else
                                use_[]elpa_m4_otherkernel[]=no
                        fi
                ])
605 606 607
                if test x"$found" = x"no" ; then
                        AC_MSG_ERROR([Invalid kernel "$fixed_]elpa_m4_kind[_kernel" specified for --with-fixed-]elpa_m4_kind[-kernel])
                fi
608 609 610 611
                default_[]elpa_m4_kind[]_kernel="$fixed_[]elpa_m4_kind[]_kernel"
                AC_DEFINE([WITH_FIXED_]m4_toupper(elpa_m4_kind)[_KERNEL],[1],[use only one specific ]elpa_m4_kind[ kernel (set at compile time)])
        fi
])
612

613 614 615 616 617 618 619
AC_ARG_WITH(gpu-support-only, [AS_HELP_STRING([--with-gpu-support-only],
            [Compile and always use the GPU version])],
            [],[with_gpu_support_only=no])
if test x"$with_gpu_support_only" = x"yes" ; then
        m4_foreach_w([elpa_m4_kernel],elpa_m4_all_kernels,[
                      use_[]elpa_m4_kernel[]=no
        ])
620 621
        use_real_gpu=yes
        use_complex_gpu=yes
622
fi
623

624

625 626 627 628 629 630 631 632 633 634 635 636 637 638 639
dnl
dnl  ELPA_KERNEL_DEPENDS([kernel],[other kernels])
dnl
dnl   Switch on each of the other kernels if the given kernel is selected
dnl
AC_DEFUN([ELPA_KERNEL_DEPENDS],[
          if test x"$use_$1" = x"yes"; then
                  m4_foreach_w([elpa_m4_requiredkernel],[$2],[
                               if test x"$use_[]elpa_m4_requiredkernel[]" = x"no" ; then
                                       echo "Enabling elpa_m4_requiredkernel kernel, is a prerequisite for $1"
                               fi
                               use_[]elpa_m4_requiredkernel[]=yes
                  ])
          fi
])
640
m4_foreach_w([elpa_m4_arch],[sparc64 vsx sse avx avx2 avx512],[
641 642 643 644
        ELPA_KERNEL_DEPENDS([real_]elpa_m4_arch[_block6], [real_]elpa_m4_arch[_block4 real_]elpa_m4_arch[_block2])
        ELPA_KERNEL_DEPENDS([real_]elpa_m4_arch[_block4], [real_]elpa_m4_arch[_block2])
        ELPA_KERNEL_DEPENDS([complex_]elpa_m4_arch[_block2], [complex_]elpa_m4_arch[_block1])
])
645

646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665
m4_foreach_w([elpa_m4_type],elpa_m4_kernel_types,[
        need_[]elpa_m4_type=no
        need_[]elpa_m4_type[]_kernels=""
        m4_foreach_w([elpa_m4_kernel],m4_expand([elpa_m4_]elpa_m4_type[_kernels]),[
                if test x"$use_[]elpa_m4_kernel" = x"yes" ; then
                        need_[]elpa_m4_type=yes
                        need_[]elpa_m4_type[]_kernels="$need_[]elpa_m4_type[]_kernels elpa_m4_kernel"
                fi
        ])
])
m4_foreach_w([elpa_m4_type],elpa_m4_kernel_types,[
        if test x"$need_[]elpa_m4_type[]" = x"yes" ; then
               echo "Using m4_toupper(elpa_m4_type) for kernels$need_[]elpa_m4_type[]_kernels"
        fi
])
m4_foreach_w([elpa_m4_type],elpa_m4_kernel_types,[
        if test x"$need_[]elpa_m4_type[]" != x"yes" ; then
               echo "Not using m4_toupper(elpa_m4_type) as no selected kernel needs it"
        fi
])
666

667

668 669 670 671 672 673
dnl the list of kernels is now assembled
dnl choosing a default kernel

m4_foreach_w([elpa_m4_kind],[real complex],[
        m4_foreach_w([elpa_m4_kernel],
                     m4_foreach_w([elpa_m4_cand_kernel],
674
                                  elpa_m4_avx512_kernels elpa_m4_avx2_kernels elpa_m4_avx_kernels elpa_m4_sse_kernels elpa_m4_sse_assembly_kernels elpa_m4_sparc64_kernels elpa_m4_vsx_kernels elpa_m4_generic_kernels,
675 676 677 678 679 680 681 682 683 684 685 686 687
                                  [m4_bmatch(elpa_m4_cand_kernel,elpa_m4_kind,elpa_m4_cand_kernel)] ),
                     [
                     if test -z "$default_[]elpa_m4_kind[]_kernel"; then
                             if test x"$use_[]elpa_m4_kernel" = x"yes"; then
                                     default_[]elpa_m4_kind[]_kernel="elpa_m4_kernel"
                             fi
                     fi
                     ])
        if test -z "$default_[]elpa_m4_kind[]_kernel"; then
                AC_MSG_ERROR([Internal error, could not determine a default kernel])
        fi
        # find the number of this kernel
        ELPA_2STAGE_[]m4_toupper(elpa_m4_kind)[]_DEFAULT=`grep -i '^ *X(ELPA_2STAGE_'$default_[]elpa_m4_kind[]_kernel'\>' $srcdir/elpa/elpa_constants.h.in | \
688
                                                                perl -pe 's/^[[^,]]*, *//; s/,.*//;'`
689 690
        AC_SUBST([ELPA_2STAGE_]m4_toupper(elpa_m4_kind)[_DEFAULT])
])
Andreas Marek's avatar
Andreas Marek committed
691

692 693 694 695 696 697 698
dnl #include <fjmfunc.h>
dnl #include <emmintrin.h>
dnl int main(int argc, char **argv) {
dnl   __m128d q;
dnl   __m128d h1 = _fjsp_neg_v2r8(q);
dnl   return 0;
dnl }
699
AC_LANG_PUSH([C])
700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721

if test x"${need_vsx}" = x"yes"; then
  AC_MSG_CHECKING(whether we can compile Altivec VSX with intrinsics in C)
  AC_COMPILE_IFELSE([AC_LANG_SOURCE([
#include <altivec.h>
int main(int argc, char **argv) {
  __vector double a, b, c;
  c = vec_add(a,b);
  return 0;
}
    ])],
    [can_compile_vsx=yes],
    [can_compile_vsx=no]
  )
  AC_MSG_RESULT([${can_compile_vsx}])
  if test x"$can_compile_vsx" != x"yes"; then
    AC_MSG_ERROR([Could not compile test program, try with --disable-vsx, or adjust the C compiler or CFLAGS])
  fi
  AC_DEFINE([HAVE_VSX_SSE],[1],[Altivec VSX intrinsics are supported on this CPU])
fi


722 723 724
if test x"${need_sparc64}" = x"yes"; then
  AC_MSG_CHECKING(whether we can compile SPARC64 with intrinsics in C)
  AC_COMPILE_IFELSE([AC_LANG_SOURCE([
Andreas Marek's avatar
Andreas Marek committed
725 726
#include <fjmfunc.h>
#include <emmintrin.h>
727
int main(int argc, char **argv) {
Andreas Marek's avatar
Andreas Marek committed
728 729
  __m128d  tau1;
  __m128d h1 = _fjsp_neg_v2r8(tau1);
730 731 732 733 734 735 736 737 738 739 740 741
  return 0;
}
    ])],
    [can_compile_sparc64=yes],
    [can_compile_sparc64=no]
  )
  AC_MSG_RESULT([${can_compile_sparc64}])
  if test x"$can_compile_sparc64" != x"yes"; then
    AC_MSG_ERROR([Could not compile test program, try with --disable-sparc64, or adjust the C compiler or CFLAGS])
  fi
  AC_DEFINE([HAVE_SPARC64_SSE],[1],[SPARC64 intrinsics are supported on this CPU])
fi
Andreas Marek's avatar
Andreas Marek committed
742

743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760
if test x"${need_sse}" = x"yes"; then
  AC_MSG_CHECKING(whether we can compile SSE3 with gcc intrinsics in C)
  AC_COMPILE_IFELSE([AC_LANG_SOURCE([
#include <x86intrin.h>
int main(int argc, char **argv) {
  double* q;
  __m128d h1 = _mm_loaddup_pd(q);
  return 0;
}
    ])],
    [can_compile_sse=yes],
    [can_compile_sse=no]
  )
  AC_MSG_RESULT([${can_compile_sse}])
  if test x"$can_compile_sse" != x"yes"; then
    AC_MSG_ERROR([Could not compile test program, try with --disable-sse, or adjust the C compiler or CFLAGS])
  fi
  AC_DEFINE([HAVE_SSE_INTRINSICS],[1],[gcc intrinsics SSE is supported on this CPU])
Andreas Marek's avatar
Andreas Marek committed
761 762 763
fi


764 765
if test x"${need_sse_assembly}" = x"yes"; then
  AC_MSG_CHECKING(whether double-precision SSE assembly kernels can be compiled)
Andreas Marek's avatar
Andreas Marek committed
766

Andreas Marek's avatar
Andreas Marek committed
767
  $CC $CFLAGS -c $srcdir/src/elpa2/kernels/asm_x86_64_double_precision.s -o conftest.o 2>&5
Andreas Marek's avatar
Andreas Marek committed
768

769 770 771 772 773 774 775 776 777 778
  if test "$?" == 0; then
    can_compile_sse_asm_double=yes
  else
    can_compile_sse_asm_double=no
  fi
  rm -f ./conftest.o
  AC_MSG_RESULT([${can_compile_sse_asm_double}])
  if test x"$can_compile_sse_asm_double" != x"yes"; then
    AC_MSG_ERROR([Could not compile test program, try with --disable-sse-assembly, or adjust the C compiler or CFLAGS])
  fi
779

780 781
  if test x"${want_single_precision}" = x"yes" ; then
    AC_MSG_CHECKING(whether single-precision SSE assembly kernels can be compiled)
782

Andreas Marek's avatar
Andreas Marek committed
783
    $CC $CFLAGS -c $srcdir/src/elpa2/kernels/asm_x86_64_single_precision.s -o conftest.o 2>&5
784

785 786 787 788 789 790 791 792 793 794 795
    if test "$?" == 0; then
      can_compile_sse_asm_single=yes
    else
      can_compile_sse_asm_single=no
    fi
    rm -f ./conftest.o
    AC_MSG_RESULT([${can_compile_sse_asm_single}])
    if test x"$can_compile_sse_asm_single" != x"yes"; then
      AC_MSG_ERROR([Could not compile test program, try with --disable-sse-assembly, or adjust the C compiler or CFLAGS])
    fi
  fi
Andreas Marek's avatar
Andreas Marek committed
796 797 798 799
fi



800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818
if test x"${need_avx}" = x"yes"; then
  dnl check whether one can compile AVX gcc intrinsics
  AC_MSG_CHECKING([whether we can compile AVX gcc intrinsics in C])
  AC_COMPILE_IFELSE([AC_LANG_SOURCE([
   #include <x86intrin.h>
   int main(int argc, char **argv){
   double* q;
   __m256d a1_1 = _mm256_load_pd(q);
   return 0;
   }
   ])],
   [can_compile_avx=yes],
   [can_compile_avx=no]
  )
  AC_MSG_RESULT([${can_compile_avx}])
  if test x"$can_compile_avx" != x"yes"; then
    AC_MSG_ERROR([Could not compile a test program with AVX, try with --disable-avx, or adjust the C compiler or CFLAGS])
  fi
  AC_DEFINE([HAVE_AVX],[1],[AVX is supported on this CPU])
819 820 821
fi


822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840
if test x"${need_avx2}" = x"yes"; then
  AC_MSG_CHECKING([whether we can compile AVX2 gcc intrinsics in C])
  AC_COMPILE_IFELSE([AC_LANG_SOURCE([
   #include <x86intrin.h>
   int main(int argc, char **argv){
   double* q;
   __m256d q1 = _mm256_load_pd(q);
   __m256d y1 = _mm256_fmadd_pd(q1, q1, q1);
   return 0;
   }
   ])],
   [can_compile_avx2=yes],
   [can_compile_avx2=no]
  )
  AC_MSG_RESULT([${can_compile_avx2}])
  if test x"$can_compile_avx2" != x"yes"; then
    AC_MSG_ERROR([Could not compile a test program with AVX2, try with --disable-avx2, or adjust the C compiler or CFLAGS])
  fi
  AC_DEFINE([HAVE_AVX2],[1],[AVX2 is supported on this CPU])
841 842
fi

843

844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862
if test x"${need_avx512}" = x"yes"; then
  AC_MSG_CHECKING([whether we can compile AVX512 gcc intrinsics in C])
  AC_COMPILE_IFELSE([AC_LANG_SOURCE([
   #include <x86intrin.h>
   int main(int argc, char **argv){
   double* q;
   __m512d q1 = _mm512_load_pd(q);
   __m512d y1 = _mm512_fmadd_pd(q1, q1, q1);
   return 0;
   }
   ])],
   [can_compile_avx512=yes],
   [can_compile_avx512=no]
  )
  AC_MSG_RESULT([${can_compile_avx512}])
  if test x"$can_compile_avx512" != x"yes"; then
    AC_MSG_ERROR([Could not compile a test program with AVX512, adjust the C compiler or CFLAGS])
  fi
  AC_DEFINE([HAVE_AVX512],[1],[AVX512 is supported on this CPU])
Andreas Marek's avatar
Andreas Marek committed
863 864

  if test x"$can_compile_avx512" = x"yes"; then
865
    AC_MSG_CHECKING([whether we compile for Xeon])
Andreas Marek's avatar
Andreas Marek committed
866
    AC_RUN_IFELSE([AC_LANG_SOURCE([
Andreas Marek's avatar
Andreas Marek committed
867 868 869
     #include <x86intrin.h>
     int main(int argc, char **argv){
     __m512d sign;
870
     __m512d h1_real;
Andreas Marek's avatar
Andreas Marek committed
871 872 873 874 875 876 877 878

     __m512d x1 = _mm512_xor_pd(h1_real, sign);
     return 0;
     }
     ])],
     [can_compile_avx512_xeon=yes],
     [can_compile_avx512_xeon=no]
    )
879 880 881
    AC_MSG_RESULT([${can_compile_avx512_xeon}])

    AC_MSG_CHECKING([whether we compile for Xeon PHI])
Andreas Marek's avatar
Andreas Marek committed
882
    AC_RUN_IFELSE([AC_LANG_SOURCE([
Andreas Marek's avatar
Andreas Marek committed
883 884 885 886
     #include <x86intrin.h>
     int main(int argc, char **argv){
     __m512d sign;
     __m512d h1;
Andreas Marek's avatar
Andreas Marek committed
887
     __m512d h2_real;
Andreas Marek's avatar
Andreas Marek committed
888

889
     __m512d x1 = (__m512d) _mm512_xor_epi64((__m512i) h2_real, (__m512i) sign);
Andreas Marek's avatar
Andreas Marek committed
890 891 892 893 894 895
     return 0;
     }
     ])],
     [can_compile_avx512_xeon_phi=yes],
     [can_compile_avx512_xeon_phi=no]
    )
896 897
    AC_MSG_RESULT([${can_compile_avx512_xeon_phi}])

898 899 900 901 902 903
    # this is needed for the intel compiler
    if test x"$can_compile_avx512_xeon" = x"yes" ; then
      if test x"$can_compile_avx512_xeon_phi" = x"yes" ; then
        # we want only one to be true; this is ugly but could not come up with a better way
        grep Phi /proc/cpuinfo > /dev/null
        if test x"$?" = x"0" ; then
904
	  echo "Xeon PHI found ... disabling AVX512 Xeon"
905 906 907 908 909
          can_compile_avx512_xeon=no
        fi
      fi
    fi

Andreas Marek's avatar
Andreas Marek committed
910 911 912 913 914 915 916 917 918 919
    if test x"$can_compile_avx512_xeon" = x"yes"; then
      AC_DEFINE([HAVE_AVX512_XEON],[1],[AVX512 for Xeon is supported on this CPU])
    else
      if test x"$can_compile_avx512_xeon_phi" = x"yes"; then
        AC_DEFINE([HAVE_AVX512_XEON_PHI],[1],[AVX512 for Xeon-PHI is supported on this CPU])
      else
        AC_MSG_ERROR([Oho! We can neither compile AVX512 intrinsics for Xeon nor Xeon Phi. This should not happen!])
      fi
    fi
  fi
920
fi
921
AC_LANG_POP([C])
922 923


924 925 926 927 928 929 930
AC_LANG_PUSH([Fortran])
if test x"${need_bgp}" = x"yes"; then
  AC_MSG_CHECKING([whether we can compile with BGP intrinsics])
  AC_LINK_IFELSE([AC_LANG_SOURCE([
    program test_bgp
      complex*16 :: y3,q3,h2
      y3 = fxcpmadd(y3,q3,h2)
931

932 933 934 935 936 937 938 939 940
    end program
  ])],
    [can_compile_bgp=yes],
    [can_compile_bgp=no]
  )
  AC_MSG_RESULT([${can_compile_bgp}])
  if test x"$can_compile_bgp" != x"yes"; then
    AC_MSG_ERROR([Could not compile a test program with BGP intrinsics, adjust the FC compiler or FCFLAGS])
  fi
941 942
fi

Andreas Marek's avatar
Andreas Marek committed
943

944 945 946 947 948 949 950
if test x"${need_bgq}" = x"yes"; then
  AC_MSG_CHECKING([whether we can compile with BGQ intrinsics])
  AC_LINK_IFELSE([AC_LANG_SOURCE([
    program test_bgq
      VECTOR(REAL(8))::QPX_h2
      real*8         :: hh(10,2)
      QPX_h2 = VEC_SPLATS(hh(2,2))
Andreas Marek's avatar
Andreas Marek committed
951

952 953 954 955 956 957 958 959 960
    end program
  ])],
    [can_compile_bgq=yes],
    [can_compile_bgq=no]
  )
  AC_MSG_RESULT([${can_compile_bgq}])
  if test x"$can_compile_bgq" != x"yes"; then
    AC_MSG_ERROR([Could not compile a test program with BGQ intrinsics, adjust the FC compiler or FCFLAGS])
  fi
961
fi
962
AC_LANG_POP([Fortran])
963

964 965 966 967 968 969 970 971
if test x"${need_gpu}" = x"yes" ; then
  AC_LANG_PUSH([C])
  CUDA_CFLAGS="$CUDA_CFLAGS -arch $cuda_compute_capability -O2 -I$CUDA_INSTALL_PATH/include"
  LDFLAGS="$LDFLAGS -L$CUDA_INSTALL_PATH/lib64"
  NVCCFLAGS="$NVCCFLAGS $CUDA_CFLAGS $CUDA_LDFLAGS"
  NVCC="nvcc"
  AC_SUBST(NVCC)
  AC_SUBST(NVCCFLAGS)
972

973 974 975 976 977
  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
978

979 980 981 982 983 984 985 986 987 988
  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])
989 990
fi

Andreas Marek's avatar
Andreas Marek committed
991

992 993 994 995
m4_foreach_w([elpa_m4_kernel],elpa_m4_all_kernels,[
  AM_CONDITIONAL([WITH_]m4_toupper(elpa_m4_kernel)[_KERNEL],[test x"$use_[]elpa_m4_kernel[]" = x"yes"])
  if test x"$use_[]elpa_m4_kernel[]" = x"yes" ; then
    AC_DEFINE([WITH_]m4_toupper(elpa_m4_kernel)[_KERNEL],[1],[Build elpa_m4_kernel kernel])
996 997 998
    kernel_defined=1
  else
    kernel_defined=0
999
  fi
1000 1001
  [ELPA_2STAGE_]m4_toupper(elpa_m4_kernel)[_COMPILED]=$kernel_defined
  AC_SUBST([ELPA_2STAGE_]m4_toupper(elpa_m4_kernel)[_COMPILED])
1002
])
Andreas Marek's avatar
Andreas Marek committed
1003 1004


1005 1006
AM_CONDITIONAL([WITH_GPU_VERSION],[test x"$use_real_gpu" = x"yes" -o x"$use_complex_gpu" = x"yes"])
if test x"$use_real_gpu" = x"yes" -o x"$use_complex_gpu" = x"yes" ; then
1007
  AC_DEFINE([WITH_GPU_VERSION],[1],[enable GPU support])
1008
  AC_DEFINE([WITH_GPU_KERNEL],[1],[GPU kernel should be build])
1009 1010 1011 1012 1013
  ELPA_2STAGE_COMPLEX_GPU_COMPILED=1
  ELPA_2STAGE_REAL_GPU_COMPILED=1
else
  ELPA_2STAGE_COMPLEX_GPU_COMPILED=0
  ELPA_2STAGE_REAL_GPU_COMPILED=0
Andreas Marek's avatar
Andreas Marek committed
1014
fi
1015 1016
AC_SUBST([ELPA_2STAGE_COMPLEX_GPU_COMPILED])
AC_SUBST([ELPA_2STAGE_REAL_GPU_COMPILED])
Andreas Marek's avatar
Andreas Marek committed
1017

1018 1019
LT_INIT

1020 1021 1022 1023 1024 1025
DX_PDF_FEATURE(OFF)
DX_PS_FEATURE(OFF)
DX_MAN_FEATURE(ON)
DX_HTML_FEATURE(ON)
DX_INIT_DOXYGEN([ELPA], [Doxyfile], [docs])

1026
USE_ASSUMED_SIZE=yes
Andreas Marek's avatar
Andreas Marek committed
1027
AC_MSG_CHECKING(whether assumed size Fortran arrays should be used)
1028
AC_ARG_ENABLE([assumed-size],
1029
                AS_HELP_STRING([--disable-assumed-size],
1030 1031
                               [do NOT use assumed-size Fortran arrays]),
                               [if test x"$enableval" = x"yes"; then
Andreas Marek's avatar
Andreas Marek committed
1032
                                  USE_ASSUMED_SIZE=yes
1033 1034 1035
                                else
                                  USE_ASSUMED_SIZE=no
                                fi],
1036
              [USE_ASSUMED_SIZE=yes])
1037 1038 1039
AC_MSG_RESULT([${USE_ASSUMED_SIZE}])
AM_CONDITIONAL([WITH_USE_ASSUMED_SIZE],[test x"$USE_ASSUMED_SIZE" = x"yes"])
if test x"${USE_ASSUMED_SIZE}" = x"yes" ; then
1040
  AC_DEFINE([USE_ASSUMED_SIZE],[1],[for performance reasons use assumed size Fortran arrays, even if not debuggable])
1041 1042
fi

Andreas Marek's avatar
Andreas Marek committed
1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085
enable_fortran2008_features=yes
AC_MSG_CHECKING(whether Fortran2008 features should be enabled)
AC_ARG_ENABLE([Fortran2008-features],
              AS_HELP_STRING([--enable-Fortran2008-features],
                             [enables some Fortran 2008 features, default yes.]),
			     [
			      if test x"$enableval" = x"yes"; then
			        enable_fortran2008_features=yes
		              else
			        enable_fortran2008_features=no
			      fi
			      ],
              [])
AC_MSG_RESULT([${enable_fortran2008_features}])
AM_CONDITIONAL([USE_FORTRAN2008],[test x"$enable_fortran2008_features" = x"yes"])
if test x"${enable_fortran2008_features}" = x"yes"; then
 AC_DEFINE([USE_FORTRAN2008], [1], [use some Fortran 2008 features])
fi

enable_kcomputer=no
AC_MSG_CHECKING(whether we build for K-computer)
AC_ARG_ENABLE([K-computer],
              AS_HELP_STRING([--enable-K-computer],
                             [enable builds on K-Computer, default no.]),
			     [if test x"$enableval"=x"yes"; then
			        enable_kcomputer=yes
		              else
				enable_kcomputer=no
			      fi],
              [enable_kcomputer=no])
AC_MSG_RESULT([${enable_kcomputer}])
AM_CONDITIONAL([BUILD_KCOMPUTER],[test x"$enable_kcomputer" = x"yes"])
if test x"${enable_kcomputer}" = x"yes"; then
 AC_DEFINE([BUILD_KCOMPUTER], [1], [build for K-Computer])
 FC_MODINC="-I"
  if test x"${USE_ASSUMED_SIZE}" = x"yes" ; then
    AC_MSG_ERROR(on K-computer you have to switch off assumed-size arrays!)
  fi
  if test x"${enable_fortran2008_features}" = x"yes" ; then
    AC_MSG_ERROR(on K-computer you have to switch off Fortran 2008 features!)
  fi
fi

1086 1087 1088
if test x"${want_single_precision}" = x"yes" ; then
  AC_DEFINE([WANT_SINGLE_PRECISION_REAL],[1],[build also single-precision for real calculation])
  AC_DEFINE([WANT_SINGLE_PRECISION_COMPLEX],[1],[build also single-precision for complex calculation])
1089
fi
1090 1091
AM_CONDITIONAL([WANT_SINGLE_PRECISION_REAL],[test x"$want_single_precision" = x"yes"])
AM_CONDITIONAL([WANT_SINGLE_PRECISION_COMPLEX],[test x"$want_single_precision" = x"yes"])
1092

1093
AC_SUBST([MPI_BINARY])
1094 1095 1096 1097
AC_SUBST([WITH_MKL])
AC_SUBST([WITH_BLACS])
AC_SUBST([FC_MODINC])
AC_SUBST([FC_MODOUT])
1098 1099 1100
AC_SUBST([OPENMP_CFLAGS])
AC_SUBST([OPENMP_FCFLAGS])
AC_SUBST([OPENMP_LDFLAGS])
1101
AC_SUBST([DOXYGEN_OUTPUT_DIR], [docs])
1102

1103
mkdir -p modules private_modules test_modules
1104

1105 1106 1107 1108 1109 1110 1111 1112 1113 1114

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

1115 1116 1117 1118 1119 1120 1121 1122 1123

# 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')
1124

1125 1126
if test x"${with_mpi}" = x"yes"; then
  if test x"${enable_openmp}" = x"yes"; then
1127
        SUFFIX="_openmp"
1128
  else
1129
        SUFFIX=""
1130 1131 1132
  fi
else
  if test x"${enable_openmp}" = x"yes"; then
1133
        SUFFIX="_onenode_openmp"
1134
  else
1135
        SUFFIX="_onenode"
1136
  fi
1137
fi
1138

1139 1140
AC_SUBST([SUFFIX])
AC_SUBST([PKG_CONFIG_FILE],[elpa${SUFFIX}-${PACKAGE_VERSION}.pc])
1141

1142 1143
AC_CONFIG_FILES([
  Makefile
1144
  Doxyfile
1145
  ${PKG_CONFIG_FILE}:elpa.pc.in
1146
  elpa/elpa_constants.h
1147
])
1148

1149 1150 1151 1152
m4_include([m4/ax_fc_check_define.m4])
AC_MSG_CHECKING([if workaround for broken preprocessor is needed])

need_manual_cpp=no
1153 1154
AX_FC_CHECK_DEFINE([__INTEL_COMPILER],[is_intel=yes],[])
AX_FC_CHECK_DEFINE([__PGI],[is_pgi=yes],[])
Lorenz Huedepohl's avatar
Lorenz Huedepohl committed
1155 1156
ACTUAL_FC="$FC"
AC_SUBST([ACTUAL_FC])
1157 1158 1159 1160 1161 1162 1163 1164

if test x"$is_intel" = x"yes" ; then
	need_manual_cpp=yes
fi
if test x"$is_pgi" = x"yes" ; then
	need_manual_cpp=yes
fi

1165
if test x"$need_manual_cpp" = x"yes" ; then
1166 1167
        AC_MSG_RESULT([yes])
        FC="\$(top_srcdir)/manual_cpp $FC"
1168
else
1169
        AC_MSG_RESULT([no])
1170 1171
fi

1172 1173 1174 1175
if test x"$is_pgi" = x"yes" ; then
	AC_DEFINE([PGI_VARIABLE_STRING_BUG], [1], [Work around a PGI bug with variable-length string results])
fi

Lorenz Huedepohl's avatar
Lorenz Huedepohl committed
1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188

dnl PGI compiler uses -module to specify module output
dnl directory. This clashes with libtools -module link option
dnl => escape it for libtool with -Xcompiler -module
AC_MSG_CHECKING([whether we have to escape '-module' for libtool])
if test x"$FC_MODOUT" = x'-module ' ; then
        FC_MODOUT="-Xcompiler $FC_MODOUT -Xcompiler \$(ac_empty)"
        FC="\$(top_srcdir)/remove_xcompiler $FC"
        AC_MSG_RESULT([yes])
else
        AC_MSG_RESULT([no])
fi

1189

1190
AC_OUTPUT
1191

1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208
echo ""
echo "The following ELPA2 kernels will be build:"
echo ""
m4_foreach_w([elpa_m4_kind],[real complex],[
        m4_foreach_w([elpa_m4_kernel],m4_expand(elpa_m4_[]elpa_m4_kind[]_kernels),[
                if test x"$use_[]elpa_m4_kernel" = x"yes" ; then
                        echo -n "  elpa_m4_kernel"
                        if test "$fixed_]elpa_m4_kind[_kernel" = "]elpa_m4_kernel[" ; then
                                echo -n " (selected as fixed kernel)"
                        fi
                        if test "$default_]elpa_m4_kind[_kernel" = "]elpa_m4_kernel[" ; then
                                echo -n " (default)"
                        fi
                        echo ""
                fi
        ])
])
1209

1210 1211 1212 1213 1214 1215 1216
#echo " "
#echo "***********************************************************************"
#echo "*  This is a the first release candidate of ELPA 2017.11.001.rc1      *"
#echo "*  There might be still some changes until the final release of       *"
#echo "*  ELPA 2017.11.001                                                   *"
#echo "***********************************************************************"
#echo " "
Andreas Marek's avatar
Andreas Marek committed
1217 1218 1219 1220 1221 1222 1223 1224 1225

if test x"$enable_kcomputer" = x"yes" ; then
  echo " "
  echo "Important message:"
  echo "On K-computer (at the moment) the automatic create of the generated"
  echo "headers does not work."
  echo "call: make -f ../generated_headers.am generated-headers top_srcdir=.."
  echo "BEFORE triggering the build with make!"
else
1226
  make -f $srcdir/generated_headers.am generated-headers top_srcdir="$srcdir" CPP="$CPP"
Andreas Marek's avatar
Andreas Marek committed
1227
fi