configure.ac 26.1 KB
Newer Older
1
AC_PREREQ([2.69])
2

Andreas Marek's avatar
Andreas Marek committed
3
AC_INIT([elpa],[2015.02.002], [elpa-library@rzg.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# This only makes trouble for end users with out-of-date autoconf versions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)
#
Andreas Marek's avatar
Andreas Marek committed
37
AC_SUBST([ELPA_SO_VERSION], [3:0:0])
38 39
#

40

41 42 43 44 45 46
AX_CHECK_GNU_MAKE()
if test x$_cv_gnu_make_command = x ; then
        AC_MSG_ERROR([Need GNU Make])
fi

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

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

55 56 57 58
###

AC_MSG_CHECKING(whether --enable-openmp is specified)
AC_ARG_ENABLE([openmp],
59
		AS_HELP_STRING([--enable-openmp],
60 61 62 63 64 65 66 67 68
			       [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

Andreas Marek's avatar
Andreas Marek committed
69 70 71 72 73 74 75
dnl check whether mpi compilers are available;
dnl if not abort since it is mandatory

# C
AC_LANG([C])
m4_include([m4/ax_prog_cc_mpi.m4])
AX_PROG_CC_MPI([true],[],[AC_MSG_ERROR([no MPI C wrapper found])])
76 77 78 79 80 81 82
if test x"${enable_openmp}" = x"yes"; then
	AX_ELPA_OPENMP
	if test "$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"
fi
83

84
AC_PROG_INSTALL
85 86
AM_PROG_AR
AM_PROG_AS
Andreas Marek's avatar
Andreas Marek committed
87 88 89 90 91 92 93


# Fortran
AC_LANG([Fortran])
m4_include([m4/ax_prog_fc_mpi.m4])
AX_PROG_FC_MPI([],[],[AC_MSG_ERROR([no MPI Fortran wrapper found])])

94 95 96 97 98 99 100 101 102
if test x"${enable_openmp}" = x"yes"; then
	AX_ELPA_OPENMP
	if test "$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"
fi


Andreas Marek's avatar
Andreas Marek committed
103 104 105

# C++
AC_LANG([C++])
106
AC_PROG_CXX
107

108 109 110 111 112 113 114
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
115 116 117



Andreas Marek's avatar
Andreas Marek committed
118
dnl variables needed for the tests
119
N="0"
Andreas Marek's avatar
Andreas Marek committed
120 121 122 123 124 125 126 127 128

dnl these test will cause an abort of configure if not
dnl successful. However, if MKL is found then the blas, blacs,
dnl lapack, and scalapack test can fail and vice versa
have_blas=no
have_blacs=no
have_mkl=no
have_lapack=no
have_scalapack=no
129

Andreas Marek's avatar
Andreas Marek committed
130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156
dnl these tests will decide which kernels can be build
dnl the usual case is all except the BlueGene (bg) kernels

can_compile_sse=no
can_compile_bgp=no
can_compile_bqq=no

fortran_can_check_environment=no
use_specific_real_kernel=no
use_specific_complex_kernel=no

install_real_generic=yes
install_real_generic_simple=yes
install_real_sse=no
install_real_bgp=no
install_real_bgq=no
install_real_avx_block2=no
install_real_avx_block4=no
install_real_avx_block6=no

install_complex_generic=yes
install_complex_generic_simple=yes
install_complex_sse=no
install_complex_bgp=no
install_complex_bgq=no
install_complex_avx_block1=no
install_complex_avx_block2=no
157

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"])

Andreas Marek's avatar
Andreas Marek committed
205 206
AC_MSG_CHECKING(whether SSE assembler kernel can be compiled)

207 208
$CC -c $srcdir/src/elpa2_kernels/elpa2_kernels_asm_x86_64.s -o test.o 2>/dev/null
if test "$?" == 0; then
Andreas Marek's avatar
Andreas Marek committed
209 210 211
  can_compile_sse=yes
  install_real_sse=yes
  install_complex_sse=yes
212
else
Andreas Marek's avatar
Andreas Marek committed
213 214 215
  can_compile_sse=no
  install_real_sse=no
  install_complex_sse=no
216 217
fi
rm -f ./test.o
Andreas Marek's avatar
Andreas Marek committed
218
AC_MSG_RESULT([${can_compile_sse}])
219

Andreas Marek's avatar
Andreas Marek committed
220
dnl check whether one can compile with avx - gcc intrinsics
221

222
dnl first pass: try with specified CFLAGS and CXXFLAGS
223
AC_MSG_CHECKING([whether we can compile AVX intrinsics in C])
224 225
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
 #include <x86intrin.h>
226
 int main(int argc, char **argv){
227 228
 double* q;
 __m256d a1_1 = _mm256_load_pd(q);
229
 return 0;
230 231 232 233 234
 }
 ])],
 [can_compile_avx=yes],
 [can_compile_avx=no]
)
Andreas Marek's avatar
Andreas Marek committed
235
AC_MSG_RESULT([${can_compile_avx}])
236 237 238
if test "${can_compile_avx}" = "yes" ; then
  AC_MSG_CHECKING([whether we can compile AVX intrinsics in C++])
  AC_LANG_PUSH([C++])
239 240
  AC_COMPILE_IFELSE([AC_LANG_SOURCE([
   #include <x86intrin.h>
241
   int main(int argc, char **argv){
242 243
   double* q;
   __m256d a1_1 = _mm256_load_pd(q);
244
   return 0;
245 246 247 248 249
   }
   ])],
   [can_compile_avx=yes],
   [can_compile_avx=no]
  )
250
  AC_LANG_POP([C++])
251
  AC_MSG_RESULT([${can_compile_avx}])
252 253
  if test "${can_compile_avx}" = "no" ; then
    AC_MSG_WARN([Cannot compile C++ with AVX: disabling AVX alltogether])
254 255 256
  fi
fi

257
if test "${can_compile_avx}" = "yes" ; then
Andreas Marek's avatar
Andreas Marek committed
258 259 260 261 262 263
  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
264 265 266 267 268 269 270 271 272
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
273
AC_MSG_RESULT([${with_avx_optimization}])
274
if test x"${with_avx_optimization}" = x"yes"; then
Andreas Marek's avatar
Andreas Marek committed
275 276 277
 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
278

279
AC_LANG([Fortran])
280 281 282
AC_FC_FREEFORM
AC_FC_MODULE_FLAG
AC_FC_MODULE_OUTPUT_FLAG
283
AC_FC_LIBRARY_LDFLAGS
284 285 286 287

save_FCFLAGS=$FCFLAGS
save_LDFLAGS=$LDFLAGS

288 289 290
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])

291 292
FCFLAGS="$FCFLAGS $SCALAPACK_FCFLAGS"
LDFLAGS="$LDFLAGS $SCALAPACK_LDFLAGS"
293

294
dnl check whether fortran error_unit is defined
295
AC_MSG_CHECKING([whether Fortran module iso_fortran_env is available])
296
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
297 298 299 300 301 302 303 304 305 306
  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]
)
307
AC_MSG_RESULT([${can_use_iso_fortran_env}])
308

309 310 311 312
dnl check whether one can link with specified MKL (desired method)
AC_MSG_CHECKING([whether we can compile a Fortran program using MKL])


313
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
314
  program test_mkl
315
    use mkl_service
316 317 318 319 320 321 322 323 324 325 326 327
    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"$can_compile_with_mkl" = x"yes" ; then
  AC_MSG_CHECKING([whether we can link a Fortran program with MKL])
328
  AC_LINK_IFELSE([AC_LANG_SOURCE([
329
    program test_mkl
330
      use mkl_service
331 332 333 334 335
      character*198 :: string
      call mkl_get_version_string(string)
      write(*,'(a)') string
    end program
  ])],
Andreas Marek's avatar
Andreas Marek committed
336 337
    [have_mkl=yes],
    [have_mkl=no]
338
  )
Andreas Marek's avatar
Andreas Marek committed
339
  AC_MSG_RESULT([${have_mkl}])
340 341 342
fi

dnl if not mkl, check all the necessary individually
343
if test x"${have_mkl}" = x"yes" ; then
344 345 346 347
  WITH_MKL=1
else

  dnl first check blas
Andreas Marek's avatar
Andreas Marek committed
348 349 350
  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}])
351

352
  if test x"${have_blas}" = x"no" ; then
353
    AC_MSG_ERROR([could not link with blas: specify path])
354
  fi
355
  dnl now lapack
Andreas Marek's avatar
Andreas Marek committed
356 357 358
  AC_SEARCH_LIBS([dlarrv],[lapack],[have_lapack=yes],[have_lapack=no])
  AC_MSG_CHECKING([whether we can link a program with a lapack lib])
  AC_MSG_RESULT([${have_lapack}])
359

360
  if test x"${have_lapack}" = x"no" ; then
361
    AC_MSG_ERROR([could not link with lapack: specify path])
362
  fi
Andreas Marek's avatar
Andreas Marek committed
363

364 365
  dnl test whether scalapack already contains blacs
  scalapack_libs="mpiscalapack scalapack"
366 367 368 369 370 371 372 373 374 375 376 377 378 379 380
  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

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

    dnl Test for stand-alone blacs
381 382
    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
383

384 385 386
    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
Andreas Marek's avatar
Andreas Marek committed
387
  fi
388

389
  AC_SEARCH_LIBS([pdtran],[$scalapack_libs],[have_scalapack=yes],[have_scalapack=no])
Andreas Marek's avatar
Andreas Marek committed
390

391
  if test x"${have_scalapack}" = x"no" ; then
392
    AC_MSG_ERROR([could not link with scalapack: specify path])
393 394 395 396
  fi

  dnl check whether we can link alltogehter
  AC_MSG_CHECKING([whether we can link a Fortran program with all blacs/scalapack])
397
  AC_LINK_IFELSE([AC_LANG_SOURCE([
398 399
    program dgemm_test

400 401
      integer , parameter:: M = 4, N = 3, K = 2
      real :: A(M,K), B(K,N), C(M,N)
402

403
      call dgemm('N','N',M,N,K,1.0,A,M,B,K,0.0,C,M)
404 405 406 407 408 409 410 411

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

412
   if test x"${can_link_with_blacs_scalapack}" = x"yes" ; then
413 414
     WITH_BLACS=1
   else
415
   AC_MSG_ERROR([We can neither link with MKL or another Scalpack. Please specify SCALAPACK_LDFLAGS and SCALAPACK_FCFLAGS!])
416 417 418
   fi
fi

419 420 421 422
dnl important: reset them again!
FCFLAGS=$save_FCFLAGS
LDFLAGS=$save_LDFLAGS

Andreas Marek's avatar
Andreas Marek committed
423 424 425 426
dnl check for intrinsic fortran function of 2003 standard
AC_MSG_CHECKING([whether we can use the intrinsic Fortran function "get_environment_variable"])


427
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
Andreas Marek's avatar
Andreas Marek committed
428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448
  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}])


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])


449
AC_LINK_IFELSE([AC_LANG_SOURCE([
Andreas Marek's avatar
Andreas Marek committed
450 451 452
  program test_bgp
    complex*16 :: y3,q3,h2
    y3 = fxcpmadd(y3,q3,h2)
453

Andreas Marek's avatar
Andreas Marek committed
454 455 456 457 458 459 460
  end program
])],
  [can_compile_bgp=yes],
  [can_compile_bgp=no]
)
AC_MSG_RESULT([${can_compile_bgp}])

461
if test x"${can_compile_bgp}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
462 463 464 465 466 467 468
  install_real_bgp=yes
  install_complex_bgp=yes
fi

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

469
AC_LINK_IFELSE([AC_LANG_SOURCE([
Andreas Marek's avatar
Andreas Marek committed
470
  program test_bgq
Andreas Marek's avatar
Andreas Marek committed
471
    VECTOR(REAL(8))::QPX_x2
Andreas Marek's avatar
Andreas Marek committed
472 473
    real*8 :: hh(10,2))
    QPX_h2 = VEC_SPLATS(hh(2,2))
474

Andreas Marek's avatar
Andreas Marek committed
475 476 477 478 479 480 481
  end program
])],
  [can_compile_bgq=yes],
  [can_compile_bgq=no]
)
AC_MSG_RESULT([${can_compile_bgq}])

482
if test x"${can_compile_bgq}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
483 484 485 486 487 488
  install_real_bgq=yes
  install_complex_bgq=yes
fi


dnl environment variable setting of kernel
489
if test x"${fortran_can_check_environment}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
490 491 492 493
 AC_DEFINE([HAVE_ENVIRONMENT_CHECKING],[1],[Fortran can querry environment variables])
fi


494 495
dnl macro for testing whether the user wanted to compile only with one
dnl specific real kernel
Andreas Marek's avatar
Andreas Marek committed
496

497
dnl usage: DEFINE_OPTION([only-real-generic-kernel],[generic-kernel],[with_real_generic_kernel],[install_real_generic])
Andreas Marek's avatar
Andreas Marek committed
498

499 500 501 502 503
AC_DEFUN([DEFINE_OPTION_REAL_KERNEL],[
  AC_ARG_WITH([$1],
               AS_HELP_STRING([--with-$1],
                              [only compile $2 for real case]),
              [],[with_option=no])
504

505 506
   if test x"${with_option}" = x"yes" ; then
    if test x"${use_specific_real_kernel}" = x"no" ; then
Andreas Marek's avatar
Andreas Marek committed
507 508 509

    dnl make sure that all the other kernels are unset
    install_real_generic=no
510
    install_real_generic_simple=no
Andreas Marek's avatar
Andreas Marek committed
511
    install_real_sse=no
512
    install_real_bgp=no
Andreas Marek's avatar
Andreas Marek committed
513 514 515 516 517
    install_real_bgq=no
    install_real_avx_block2=no
    install_real_avx_block4=no
    install_real_avx_block6=no
    use_specific_real_kernel=yes
518 519 520 521 522 523 524
    dnl now set the specific kernel
    $3=yes

    dnl in case of SSE or AVX make sure that we can compile the choosen kernel
    if test x"${install_real_sse}" = x"yes" ; then
     if test x"${can_compile_sse}" = x"no" ; then
       AC_MSG_ERROR([$2 kernel was set, but cannot be compiled!])
525
     fi
526 527 528 529 530
    fi

    if test x"${install_real_avx_block2}" = x"yes" ; then
     if test x"${can_compile_avx}" = x"no" ; then
       AC_MSG_ERROR([$2 kernel was set, but cannot be compiled!])
531
     fi
532 533 534 535 536
    fi

    if test x"${install_real_avx_block4}" = x"yes" ; then
     if test x"${can_compile_avx}" = x"no" ; then
       AC_MSG_ERROR([$2 kernel was set, but cannot be compiled!])
537
     fi
538 539 540 541 542
    fi

    if test x"${install_real_avx_block6}" = x"yes" ; then
     if test x"${can_compile_avx}" = x"no" ; then
       AC_MSG_ERROR([$2 kernel was set, but cannot be compiled!])
543
     fi
544 545 546 547 548 549 550 551 552
    fi


    AC_MSG_NOTICE([$1 will be the only compiled kernel for real case])
   else
    AC_MSG_FAILURE([$1 failed; A specific kernel for real case has already been defined before!])
   fi
  fi
])
Andreas Marek's avatar
Andreas Marek committed
553 554


555 556 557 558 559 560
dnl last check whether user wants to compile only a specific kernel
dnl
dnl real kernels
dnl
dnl generic kernel
DEFINE_OPTION_REAL_KERNEL([only-real-generic-kernel],[generic-kernel],[install_real_generic])
Andreas Marek's avatar
Andreas Marek committed
561

562 563
dnl generic-simple kernel
DEFINE_OPTION_REAL_KERNEL([only-real-generic-simple-kernel],[generic-simple-kernel],[install_real_generic_simple])
Andreas Marek's avatar
Andreas Marek committed
564

565 566
dnl sse kernel
DEFINE_OPTION_REAL_KERNEL([only-real-sse-kernel],[sse-kernel],[install_real_sse])
Andreas Marek's avatar
Andreas Marek committed
567 568

dnl bgp kernel
569
DEFINE_OPTION_REAL_KERNEL([only-real-bgp-kernel],[bgp-kernel],[install_real_bgp])
Andreas Marek's avatar
Andreas Marek committed
570 571

dnl bgq kernel
572
DEFINE_OPTION_REAL_KERNEL([only-real-bgq-kernel],[bgq-kernel],[install_real_bgq])
Andreas Marek's avatar
Andreas Marek committed
573 574

dnl real-avx-block2 kernel
575
DEFINE_OPTION_REAL_KERNEL([only-real-avx-block2-kernel],[real-avx-block2-kernel],[install_real_avx_block2])
Andreas Marek's avatar
Andreas Marek committed
576 577

dnl real-avx-block4 kernel
578
DEFINE_OPTION_REAL_KERNEL([only-real-avx-block4-kernel],[real-avx-block4-kernel],[install_real_avx_block4])
Andreas Marek's avatar
Andreas Marek committed
579 580

dnl real-avx-block6 kernel
581
DEFINE_OPTION_REAL_KERNEL([only-real-avx-block6-kernel],[real-avx-block6-kernel],[install_real_avx_block6])
Andreas Marek's avatar
Andreas Marek committed
582 583 584 585 586 587

dnl last check whether user wants to compile ony a specific kernel
dnl
dnl complex kernels
dnl

588 589 590 591 592
AC_DEFUN([DEFINE_OPTION_COMPLEX_KERNEL],[
  AC_ARG_WITH([$1],
                 AS_HELP_STRING([--with-$1],
                                [only compile $2 for complex case]),
              [],[with_option=no])
593

594 595
   if test x"${with_option}" = x"yes" ; then
    if test x"${use_specific_complex_kernel}" = x"no" ; then
Andreas Marek's avatar
Andreas Marek committed
596 597 598 599 600 601 602 603 604 605 606

    dnl make sure that all the other kernels are unset
    install_complex_generic=yes
    install_complex_generic_simple=no
    install_complex_sse=no
    install_complex_bgp=no
    install_complex_bgq=no
    install_complex_avx_block1=no
    install_complex_avx_block2=no

    use_specific_complex_kernel=yes
607 608 609 610 611 612 613
    dnl now set the specific kernel
    $3=yes

    dnl in case of SSE or AVX make sure that we can compile the choosen kernel
    if test x"${install_complex_sse}" = x"yes" ; then
     if test x"${can_compile_sse}" = x"no" ; then
       AC_MSG_ERROR([$2 kernel was set, but cannot be compiled!])
614
     fi
615 616 617 618 619
    fi

    if test x"${install_complex_avx_block1}" = x"yes" ; then
     if test x"${can_compile_avx}" = x"no" ; then
       AC_MSG_ERROR([$2 kernel was set, but cannot be compiled!])
620
     fi
621 622 623 624 625
    fi

    if test x"${install_complex_avx_block2}" = x"yes" ; then
     if test x"${can_compile_avx}" = x"no" ; then
       AC_MSG_ERROR([$2 kernel was set, but cannot be compiled!])
626
     fi
627 628 629 630 631 632 633 634
    fi

    AC_MSG_NOTICE([$1 will be the only compiled kernel for real case])
   else
    AC_MSG_FAILURE([$1 failed; A specific kernel for real case has already been defined before!])
   fi
  fi
])
Andreas Marek's avatar
Andreas Marek committed
635 636


637 638
dnl generic kernel
DEFINE_OPTION_COMPLEX_KERNEL([only-complex-generic-kernel],[generic-kernel],[install_complex_generic])
Andreas Marek's avatar
Andreas Marek committed
639 640


641 642
dnl generic-simple kernel
DEFINE_OPTION_COMPLEX_KERNEL([only-complex-generic-simple-kernel],[generic-simple-kernel],[install_complex_generic_simple])
Andreas Marek's avatar
Andreas Marek committed
643 644

dnl sse kernel
645
DEFINE_OPTION_COMPLEX_KERNEL([only-complex-sse-kernel],[sse-kernel],[install_complex_sse])
Andreas Marek's avatar
Andreas Marek committed
646 647 648


dnl complex-bqp kernel
649
DEFINE_OPTION_COMPLEX_KERNEL([only-complex-bgp-kernel],[bgp-kernel],[install_complex_bgp])
Andreas Marek's avatar
Andreas Marek committed
650 651

dnl complex-bqq kernel
652
DEFINE_OPTION_COMPLEX_KERNEL([only-complex-bgq-kernel],[bgq-kernel],[install_complex_bgq])
Andreas Marek's avatar
Andreas Marek committed
653 654

dnl complex-avx-block1 kernel
655
DEFINE_OPTION_COMPLEX_KERNEL([only-complex-avx-block1-kernel],[complex-avx-block1-kernel],[install_complex_avx_block1])
Andreas Marek's avatar
Andreas Marek committed
656 657

dnl complex-avx-block2 kernel
658
DEFINE_OPTION_COMPLEX_KERNEL([only-complex-avx-block2-kernel],[complex-avx-block2-kernel],[install_complex_avx_block2])
Andreas Marek's avatar
Andreas Marek committed
659 660


661
dnl set the conditionals according to the previous tests
662
if test x"${can_use_iso_fortran_env}" = x"yes" ; then
663 664 665
 AC_DEFINE([HAVE_ISO_FORTRAN_ENV],[1],[can use module iso_fortran_env])
fi

666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724
dnl check whether GPU version is requested

CUDA_INSTALL_PATH="/usr/local/cuda/"
#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 ( no CPU version available)])],
              want_gpu="yes", want_gpu="no")
#AC_ARG_WITH([GPU-SUPPORT], [AS_HELP_STRING([--with-GPU-SUPPORT],
#	                                   [build ELPA2 with GPU-support ( no CPU version available)])],
#			   [with_gpu=yes],[with_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])


#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])

#FCFLAGS="$FCFLAGS $SCALAPACK_FCFLAGS"
#LDFLAGS="$LDFLAGS $SCALAPACK_LDFLAGS"

dnl setup nvcc flags
if test x"${want_gpu}" = x"yes" ; then
  AC_LANG_PUSH([C])
  CUDA_CFLAGS="$CUDA_CFLAGS -arch sm_35 -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)

  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])
  fi

  dnl check whether we find cublas
  AC_SEARCH_LIBS([cublasDgemm],[cublas],[have_cublas=yes],[have_cublas=no])
  if test x"${have_cublas}" = x"no"; then
    AC_MSG_ERROR([Could not link cublas])
  fi
  AC_SEARCH_LIBS([cudaMemcpy],[cudart],[have_cudart=yes],[have_cudart=no])
  if test x"${have_cudart}" = x"no"; then
    AC_MSG_ERROR([Could not link cudart])
  fi
  AC_LANG_POP([C])
  AC_DEFINE([WITH_GPU_VERSION],[1],[build with GPU support])
fi
AM_CONDITIONAL([WITH_GPU_VERSION],[test x"$want_gpu" = x"yes"])
725

Andreas Marek's avatar
Andreas Marek committed
726
AM_CONDITIONAL([WITH_REAL_GENERIC_KERNEL],[test x"$install_real_generic" = x"yes"])
727
if test x"${install_real_generic}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
728 729 730 731
 AC_DEFINE([WITH_REAL_GENERIC_KERNEL],[1],[can use real generic kernel])
fi

AM_CONDITIONAL([WITH_COMPLEX_GENERIC_KERNEL],[test x"$install_complex_generic" = x"yes"])
732
if test x"${install_complex_generic}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
733 734 735 736
 AC_DEFINE([WITH_COMPLEX_GENERIC_KERNEL],[1],[can use complex generic kernel])
fi

AM_CONDITIONAL([WITH_REAL_GENERIC_SIMPLE_KERNEL],[test x"$install_real_generic_simple" = x"yes"])
737
if test x"${install_real_generic_simple}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
738 739 740 741
 AC_DEFINE([WITH_REAL_GENERIC_SIMPLE_KERNEL],[1],[can use real generic-simple kernel])
fi

AM_CONDITIONAL([WITH_COMPLEX_GENERIC_SIMPLE_KERNEL],[test x"$install_complex_generic_simple" = x"yes"])
742
if test x"${install_complex_generic_simple}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
743 744 745 746
 AC_DEFINE([WITH_COMPLEX_GENERIC_SIMPLE_KERNEL],[1],[can use complex generic-simple kernel])
fi

AM_CONDITIONAL([WITH_REAL_SSE_KERNEL],[test x"$install_real_sse" = x"yes"])
747
if test x"${install_real_sse}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
748 749 750 751
 AC_DEFINE([WITH_REAL_SSE_KERNEL],[1],[can use real SSE kernel])
fi

AM_CONDITIONAL([WITH_COMPLEX_SSE_KERNEL],[test x"$install_complex_sse" = x"yes"])
752
if test x"${install_complex_sse}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
753 754 755 756
 AC_DEFINE([WITH_COMPLEX_SSE_KERNEL],[1],[can use complex SSE kernel])
fi

AM_CONDITIONAL([WITH_REAL_AVX_BLOCK2_KERNEL],[test x"$install_real_avx_block2" = x"yes"])
757
if test x"${install_real_avx_block2}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
758 759 760 761
 AC_DEFINE([WITH_REAL_AVX_BLOCK2_KERNEL],[1],[can use real_avx_block2 kernel])
fi

AM_CONDITIONAL([WITH_REAL_AVX_BLOCK4_KERNEL],[test x"$install_real_avx_block4" = x"yes"])
762
if test x"${install_real_avx_block4}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
763 764 765 766
 AC_DEFINE([WITH_REAL_AVX_BLOCK4_KERNEL],[1],[can use real_avx_block4 kernel])
fi

AM_CONDITIONAL([WITH_REAL_AVX_BLOCK6_KERNEL],[test x"$install_real_avx_block6" = x"yes"])
767
if test x"${install_real_avx_block6}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
768 769 770 771
 AC_DEFINE([WITH_REAL_AVX_BLOCK6_KERNEL],[1],[can use real_avx_block6 kernel])
fi

AM_CONDITIONAL([WITH_COMPLEX_AVX_BLOCK1_KERNEL],[test x"$install_complex_avx_block1" = x"yes"])
772
if test x"${install_complex_avx_block1}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
773 774 775 776
 AC_DEFINE([WITH_COMPLEX_AVX_BLOCK1_KERNEL],[1],[can use complex_avx_block1 kernel])
fi

AM_CONDITIONAL([WITH_COMPLEX_AVX_BLOCK2_KERNEL],[test x"$install_complex_avx_block2" = x"yes"])
777
if test x"${install_complex_avx_block2}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
778 779 780 781
 AC_DEFINE([WITH_COMPLEX_AVX_BLOCK2_KERNEL],[1],[can use complex_avx_block2 kernel])
fi

AM_CONDITIONAL([WITH_REAL_BGP_KERNEL],[test x"$install_real_bgp" = x"yes"])
782
if test x"${install_real_bgp}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
783 784 785 786
 AC_DEFINE([WITH_REAL_BGP_KERNEL],[1],[can use real BGP kernel])
fi

AM_CONDITIONAL([WITH_REAL_BGQ_KERNEL],[test x"$install_real_bgq" = x"yes"])
787
if test x"${install_real_bgq}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
788 789 790
 AC_DEFINE([WITH_REAL_BGQ_KERNEL],[1],[can use real BGQ kernel])
fi

791 792
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)])
Andreas Marek's avatar
Andreas Marek committed
793 794
fi

795 796
if test x"${use_specific_real_kernel}" = x"no" ; then
 AC_DEFINE([WITH_NO_SPECIFIC_REAL_KERNEL],[1],[do not use only one specific real kernel (set at compile time)])
Andreas Marek's avatar
Andreas Marek committed
797 798
fi

799 800 801 802 803 804 805
LT_INIT

AC_SUBST([WITH_MKL])
AC_SUBST([WITH_BLACS])
AC_SUBST([with_amd_bulldozer_kernel])
AC_SUBST([FC_MODINC])
AC_SUBST([FC_MODOUT])
806 807 808
AC_SUBST([OPENMP_CFLAGS])
AC_SUBST([OPENMP_FCFLAGS])
AC_SUBST([OPENMP_LDFLAGS])
809 810
#AC_SUBST(OPT_FCFLAGS)

811
rm -rf modules/ .fortran_dependencies/
812 813 814 815 816 817 818 819 820 821 822
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])

823 824 825 826 827 828 829 830 831

# 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')
832

833
if test x"${enable_openmp}" = x"yes"; then
834
	SUFFIX="_openmp"
835
else
836
	SUFFIX=""
837
fi
838 839
AC_SUBST([SUFFIX])
AC_SUBST([PKG_CONFIG_FILE],[elpa${SUFFIX}-${PACKAGE_VERSION}.pc])
840

841 842
AC_CONFIG_FILES([
  Makefile
843
  ${PKG_CONFIG_FILE}:elpa.pc.in
844
])
845

846
AC_OUTPUT
847 848 849 850 851 852


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
853
  exit 1
854
fi
Andreas Marek's avatar
Andreas Marek committed
855 856 857 858 859

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

860 861 862
if test "${can_compile_avx}" = "no" ; then
  AC_MSG_WARN([Could not compile AVX instructions])
fi