configure.ac 30.1 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# This only makes trouble for end users with out-of-date autoconf versions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
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
136
can_compile_gpu=no
Andreas Marek's avatar
Andreas Marek committed
137 138 139 140

fortran_can_check_environment=no
use_specific_real_kernel=no
use_specific_complex_kernel=no
141
build_with_gpu_support_only=no
Andreas Marek's avatar
Andreas Marek committed
142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158

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
159

160 161
install_gpu=no

Andreas Marek's avatar
Andreas Marek committed
162 163
AC_LANG([C])

164 165 166 167 168 169 170 171 172
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}])

173 174 175 176 177 178 179 180 181 182 183 184 185 186
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"])
187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208

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
209 210
AC_MSG_CHECKING(whether SSE assembler kernel can be compiled)

211 212
$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
213 214 215
  can_compile_sse=yes
  install_real_sse=yes
  install_complex_sse=yes
216
else
Andreas Marek's avatar
Andreas Marek committed
217 218 219
  can_compile_sse=no
  install_real_sse=no
  install_complex_sse=no
220 221
fi
rm -f ./test.o
Andreas Marek's avatar
Andreas Marek committed
222
AC_MSG_RESULT([${can_compile_sse}])
223

Andreas Marek's avatar
Andreas Marek committed
224
dnl check whether one can compile with avx - gcc intrinsics
225

226
dnl first pass: try with specified CFLAGS and CXXFLAGS
227
AC_MSG_CHECKING([whether we can compile AVX intrinsics in C])
228 229
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
 #include <x86intrin.h>
230
 int main(int argc, char **argv){
231 232
 double* q;
 __m256d a1_1 = _mm256_load_pd(q);
233
 return 0;
234 235 236 237 238
 }
 ])],
 [can_compile_avx=yes],
 [can_compile_avx=no]
)
Andreas Marek's avatar
Andreas Marek committed
239
AC_MSG_RESULT([${can_compile_avx}])
240 241 242
if test "${can_compile_avx}" = "yes" ; then
  AC_MSG_CHECKING([whether we can compile AVX intrinsics in C++])
  AC_LANG_PUSH([C++])
243 244
  AC_COMPILE_IFELSE([AC_LANG_SOURCE([
   #include <x86intrin.h>
245
   int main(int argc, char **argv){
246 247
   double* q;
   __m256d a1_1 = _mm256_load_pd(q);
248
   return 0;
249 250 251 252 253
   }
   ])],
   [can_compile_avx=yes],
   [can_compile_avx=no]
  )
254
  AC_LANG_POP([C++])
255
  AC_MSG_RESULT([${can_compile_avx}])
256 257
  if test "${can_compile_avx}" = "no" ; then
    AC_MSG_WARN([Cannot compile C++ with AVX: disabling AVX alltogether])
258 259 260
  fi
fi

261
if test "${can_compile_avx}" = "yes" ; then
Andreas Marek's avatar
Andreas Marek committed
262 263 264 265 266 267
  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
268 269 270 271 272 273 274 275 276
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
277
AC_MSG_RESULT([${with_avx_optimization}])
278
if test x"${with_avx_optimization}" = x"yes"; then
Andreas Marek's avatar
Andreas Marek committed
279 280 281
 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
282

283
AC_LANG([Fortran])
284 285 286
AC_FC_FREEFORM
AC_FC_MODULE_FLAG
AC_FC_MODULE_OUTPUT_FLAG
287
AC_FC_LIBRARY_LDFLAGS
288 289 290 291

save_FCFLAGS=$FCFLAGS
save_LDFLAGS=$LDFLAGS

292 293 294
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])

295 296
FCFLAGS="$FCFLAGS $SCALAPACK_FCFLAGS"
LDFLAGS="$LDFLAGS $SCALAPACK_LDFLAGS"
297

298
dnl check whether fortran error_unit is defined
299
AC_MSG_CHECKING([whether Fortran module iso_fortran_env is available])
300
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
301 302 303 304 305 306 307 308 309 310
  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]
)
311
AC_MSG_RESULT([${can_use_iso_fortran_env}])
312

313 314 315 316
dnl check whether one can link with specified MKL (desired method)
AC_MSG_CHECKING([whether we can compile a Fortran program using MKL])


317
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
318
  program test_mkl
319
    use mkl_service
320 321 322 323 324 325 326 327 328 329 330 331
    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"$can_compile_with_mkl" = x"yes" ; then
  AC_MSG_CHECKING([whether we can link a Fortran program with MKL])
332
  AC_LINK_IFELSE([AC_LANG_SOURCE([
333
    program test_mkl
334
      use mkl_service
335 336 337 338 339
      character*198 :: string
      call mkl_get_version_string(string)
      write(*,'(a)') string
    end program
  ])],
Andreas Marek's avatar
Andreas Marek committed
340 341
    [have_mkl=yes],
    [have_mkl=no]
342
  )
Andreas Marek's avatar
Andreas Marek committed
343
  AC_MSG_RESULT([${have_mkl}])
344 345 346
fi

dnl if not mkl, check all the necessary individually
347
if test x"${have_mkl}" = x"yes" ; then
348 349 350 351
  WITH_MKL=1
else

  dnl first check blas
Andreas Marek's avatar
Andreas Marek committed
352 353 354
  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}])
355

356
  if test x"${have_blas}" = x"no" ; then
357
    AC_MSG_ERROR([could not link with blas: specify path])
358
  fi
359
  dnl now lapack
Andreas Marek's avatar
Andreas Marek committed
360 361 362
  AC_SEARCH_LIBS([dlarrv],[lapack],[have_lapack=yes],[have_lapack=no])
  AC_MSG_CHECKING([whether we can link a program with a lapack lib])
  AC_MSG_RESULT([${have_lapack}])
363

364
  if test x"${have_lapack}" = x"no" ; then
365
    AC_MSG_ERROR([could not link with lapack: specify path])
366
  fi
Andreas Marek's avatar
Andreas Marek committed
367

368 369
  dnl test whether scalapack already contains blacs
  scalapack_libs="mpiscalapack scalapack"
370 371 372 373 374 375 376 377 378 379 380 381 382 383 384
  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
385 386
    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
387

388 389 390
    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
391
  fi
392

393
  AC_SEARCH_LIBS([pdtran],[$scalapack_libs],[have_scalapack=yes],[have_scalapack=no])
Andreas Marek's avatar
Andreas Marek committed
394

395
  if test x"${have_scalapack}" = x"no" ; then
396
    AC_MSG_ERROR([could not link with scalapack: specify path])
397 398 399 400
  fi

  dnl check whether we can link alltogehter
  AC_MSG_CHECKING([whether we can link a Fortran program with all blacs/scalapack])
401
  AC_LINK_IFELSE([AC_LANG_SOURCE([
402 403
    program dgemm_test

404 405
      integer , parameter:: M = 4, N = 3, K = 2
      real :: A(M,K), B(K,N), C(M,N)
406

407
      call dgemm('N','N',M,N,K,1.0,A,M,B,K,0.0,C,M)
408 409 410 411 412 413 414 415

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

416
   if test x"${can_link_with_blacs_scalapack}" = x"yes" ; then
417 418
     WITH_BLACS=1
   else
419
   AC_MSG_ERROR([We can neither link with MKL or another Scalpack. Please specify SCALAPACK_LDFLAGS and SCALAPACK_FCFLAGS!])
420 421 422
   fi
fi

423 424 425 426
dnl important: reset them again!
FCFLAGS=$save_FCFLAGS
LDFLAGS=$save_LDFLAGS

Andreas Marek's avatar
Andreas Marek committed
427 428 429 430
dnl check for intrinsic fortran function of 2003 standard
AC_MSG_CHECKING([whether we can use the intrinsic Fortran function "get_environment_variable"])


431
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
Andreas Marek's avatar
Andreas Marek committed
432 433 434 435 436 437 438 439 440 441 442 443
  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}])


444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491

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])],
              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"${want_gpu}" = x"yes" ; then
  AC_LANG_PUSH([C])
  CUDA_CFLAGS="$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; 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
fi

Andreas Marek's avatar
Andreas Marek committed
492 493 494 495 496 497 498 499
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])

500
AC_LINK_IFELSE([AC_LANG_SOURCE([
Andreas Marek's avatar
Andreas Marek committed
501 502 503
  program test_bgp
    complex*16 :: y3,q3,h2
    y3 = fxcpmadd(y3,q3,h2)
504

Andreas Marek's avatar
Andreas Marek committed
505 506 507 508 509 510 511
  end program
])],
  [can_compile_bgp=yes],
  [can_compile_bgp=no]
)
AC_MSG_RESULT([${can_compile_bgp}])

512
if test x"${can_compile_bgp}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
513 514 515 516 517 518 519
  install_real_bgp=yes
  install_complex_bgp=yes
fi

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

520
AC_LINK_IFELSE([AC_LANG_SOURCE([
Andreas Marek's avatar
Andreas Marek committed
521
  program test_bgq
Andreas Marek's avatar
Andreas Marek committed
522
    VECTOR(REAL(8))::QPX_x2
Andreas Marek's avatar
Andreas Marek committed
523 524
    real*8 :: hh(10,2))
    QPX_h2 = VEC_SPLATS(hh(2,2))
525

Andreas Marek's avatar
Andreas Marek committed
526 527 528 529 530 531 532
  end program
])],
  [can_compile_bgq=yes],
  [can_compile_bgq=no]
)
AC_MSG_RESULT([${can_compile_bgq}])

533
if test x"${can_compile_bgq}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
534 535 536 537 538 539
  install_real_bgq=yes
  install_complex_bgq=yes
fi


dnl environment variable setting of kernel
540
if test x"${fortran_can_check_environment}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
541 542 543
 AC_DEFINE([HAVE_ENVIRONMENT_CHECKING],[1],[Fortran can querry environment variables])
fi

544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587
dnl macro for testing whether the user wanted to compile only with the GPU version

dnl usage: DEFINE_OPTION([gpu-support-only],[gpu-support],[with_gpu_support],[install_gpu])

AC_DEFUN([DEFINE_OPTION_GPU_SUPPORT],[
  AC_ARG_WITH([$1],
               AS_HELP_STRING([--with-$1],
                              [only compile $2 ]),
              [with_option=yes],[with_option=no])

  if test x"${with_option}" = x"yes" ; then
    dnl make sure that all the other kernels are unset
    install_real_generic=no
    install_real_generic_simple=no
    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=no
    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


    install_gpu=yes

    build_with_gpu_support_only=yes
    use_specific_complex_kernel=yes
    use_specific_real_kernel=yes
    dnl now set the specific kernel
    $3=yes

    AC_MSG_NOTICE([ELPA will be build only with $1])
  fi
])
dnl GPU version
DEFINE_OPTION_GPU_SUPPORT([gpu-version-only],[gpu-support],[install_gpu])
Andreas Marek's avatar
Andreas Marek committed
588

589 590
dnl macro for testing whether the user wanted to compile only with one
dnl specific real kernel
Andreas Marek's avatar
Andreas Marek committed
591

592
dnl usage: DEFINE_OPTION([real-generic-kernel-only],[generic-kernel],[with_real_generic_kernel],[install_real_generic])
Andreas Marek's avatar
Andreas Marek committed
593

594 595 596 597
AC_DEFUN([DEFINE_OPTION_REAL_KERNEL],[
  AC_ARG_WITH([$1],
               AS_HELP_STRING([--with-$1],
                              [only compile $2 for real case]),
598
              [with_option=yes],[with_option=no])
599

600 601
   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
602 603 604

    dnl make sure that all the other kernels are unset
    install_real_generic=no
605
    install_real_generic_simple=no
Andreas Marek's avatar
Andreas Marek committed
606
    install_real_sse=no
607
    install_real_bgp=no
Andreas Marek's avatar
Andreas Marek committed
608 609 610 611
    install_real_bgq=no
    install_real_avx_block2=no
    install_real_avx_block4=no
    install_real_avx_block6=no
612 613
    install_gpu=no

Andreas Marek's avatar
Andreas Marek committed
614
    use_specific_real_kernel=yes
615 616 617 618 619 620 621
    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!])
622
     fi
623 624 625 626 627
    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!])
628
     fi
629 630 631 632 633
    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!])
634
     fi
635 636 637 638 639
    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!])
640
     fi
641 642 643 644
    fi


    AC_MSG_NOTICE([$1 will be the only compiled kernel for real case])
645 646 647 648
    if test x"${want_gpu}" = x"yes" ; then
      AC_MSG_WARN([At the moment this disables GPU support!])
      AC_MSG_WARN([IF GPU support is wanted do NOT specify a specific real kernel])
    fi
649 650 651 652 653
   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
654 655


656

657 658 659 660
dnl last check whether user wants to compile only a specific kernel
dnl
dnl real kernels
dnl
Andreas Marek's avatar
Andreas Marek committed
661

662 663 664 665 666
dnl only do this if GPU support only has not been requested
if test x"${build_with_gpu_support_only}" = x"no" ; then

  dnl generic kernel
  DEFINE_OPTION_REAL_KERNEL([real-generic-kernel-only],[generic-kernel],[install_real_generic])
Andreas Marek's avatar
Andreas Marek committed
667

668 669
  dnl generic-simple kernel
  DEFINE_OPTION_REAL_KERNEL([real-generic-simple-kernel-only],[generic-simple-kernel],[install_real_generic_simple])
Andreas Marek's avatar
Andreas Marek committed
670

671 672
  dnl sse kernel
  DEFINE_OPTION_REAL_KERNEL([real-sse-kernel-only],[sse-kernel],[install_real_sse])
Andreas Marek's avatar
Andreas Marek committed
673

674 675
  dnl bgp kernel
  DEFINE_OPTION_REAL_KERNEL([real-bgp-kernel-only],[bgp-kernel],[install_real_bgp])
Andreas Marek's avatar
Andreas Marek committed
676

677 678
  dnl bgq kernel
  DEFINE_OPTION_REAL_KERNEL([real-bgq-kernel-only],[bgq-kernel],[install_real_bgq])
Andreas Marek's avatar
Andreas Marek committed
679

680 681
  dnl real-avx-block2 kernel
  DEFINE_OPTION_REAL_KERNEL([real-avx-block2-kernel-only],[real-avx-block2-kernel],[install_real_avx_block2])
Andreas Marek's avatar
Andreas Marek committed
682

683 684 685 686 687 688
  dnl real-avx-block4 kernel
  DEFINE_OPTION_REAL_KERNEL([real-avx-block4-kernel]-only,[real-avx-block4-kernel],[install_real_avx_block4])

  dnl real-avx-block6 kernel
  DEFINE_OPTION_REAL_KERNEL([real-avx-block6-kernel-only],[real-avx-block6-kernel],[install_real_avx_block6])
fi
Andreas Marek's avatar
Andreas Marek committed
689 690 691 692 693 694

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

695 696 697 698
AC_DEFUN([DEFINE_OPTION_COMPLEX_KERNEL],[
  AC_ARG_WITH([$1],
                 AS_HELP_STRING([--with-$1],
                                [only compile $2 for complex case]),
699
              [with_option=yes],[with_option=no])
700

701 702
   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
703 704

    dnl make sure that all the other kernels are unset
705
    install_complex_generic=no
Andreas Marek's avatar
Andreas Marek committed
706 707 708 709 710 711 712
    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

713
    install_gpu=no
Andreas Marek's avatar
Andreas Marek committed
714
    use_specific_complex_kernel=yes
715 716 717 718 719 720 721
    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!])
722
     fi
723 724 725 726 727
    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!])
728
     fi
729 730 731 732 733
    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!])
734
     fi
735 736 737
    fi

    AC_MSG_NOTICE([$1 will be the only compiled kernel for real case])
738 739 740 741
    if test x"${want_gpu}" = x"yes" ; then
      AC_MSG_WARN([At the moment this disables GPU support!])
      AC_MSG_WARN([IF GPU support is wanted do NOT specify a specific complex kernel])
    fi
742 743 744 745 746
   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
747

748 749 750
if test x"${build_with_gpu_support_only}" = x"no" ; then
  dnl generic kernel
  DEFINE_OPTION_COMPLEX_KERNEL([complex-generic-kernel-only],[generic-kernel],[install_complex_generic])
Andreas Marek's avatar
Andreas Marek committed
751

752 753
  dnl generic-simple kernel
  DEFINE_OPTION_COMPLEX_KERNEL([complex-generic-simple-kernel-only],[generic-simple-kernel],[install_complex_generic_simple])
Andreas Marek's avatar
Andreas Marek committed
754

755 756
  dnl sse kernel
  DEFINE_OPTION_COMPLEX_KERNEL([complex-sse-kernel-only],[sse-kernel],[install_complex_sse])
Andreas Marek's avatar
Andreas Marek committed
757

758 759
  dnl complex-bqp kernel
  DEFINE_OPTION_COMPLEX_KERNEL([complex-bgp-kernel-only],[bgp-kernel],[install_complex_bgp])
Andreas Marek's avatar
Andreas Marek committed
760

761 762
  dnl complex-bqq kernel
  DEFINE_OPTION_COMPLEX_KERNEL([complex-bgq-kernel-only],[bgq-kernel],[install_complex_bgq])
Andreas Marek's avatar
Andreas Marek committed
763

764 765
  dnl complex-avx-block1 kernel
  DEFINE_OPTION_COMPLEX_KERNEL([complex-avx-block1-kernel-only],[complex-avx-block1-kernel],[install_complex_avx_block1])
Andreas Marek's avatar
Andreas Marek committed
766

767 768 769
  dnl complex-avx-block2 kernel
  DEFINE_OPTION_COMPLEX_KERNEL([complex-avx-block2-kernel-only],[complex-avx-block2-kernel],[install_complex_avx_block2])
fi
Andreas Marek's avatar
Andreas Marek committed
770

771
dnl set the conditionals according to the previous tests
772
if test x"${can_use_iso_fortran_env}" = x"yes" ; then
773 774 775
 AC_DEFINE([HAVE_ISO_FORTRAN_ENV],[1],[can use module iso_fortran_env])
fi

776 777 778 779 780 781 782 783
#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],
784
#	                                   [build ELPA2 with GPU-support ( no CPU version available)])],
785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837
#              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
echo $install_gpu
AM_CONDITIONAL([WITH_GPU_VERSION],[test x"$install_gpu" = x"yes"])
if test x"${install_gpu}" = x"yes" ; then
  AC_DEFINE([WITH_GPU_VERSION],[1],[enable GPU support])
838
fi
839

Andreas Marek's avatar
Andreas Marek committed
840
AM_CONDITIONAL([WITH_REAL_GENERIC_KERNEL],[test x"$install_real_generic" = x"yes"])
841
if test x"${install_real_generic}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
842 843 844 845
 AC_DEFINE([WITH_REAL_GENERIC_KERNEL],[1],[can use real generic kernel])
fi

AM_CONDITIONAL([WITH_COMPLEX_GENERIC_KERNEL],[test x"$install_complex_generic" = x"yes"])
846
if test x"${install_complex_generic}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
847 848 849 850
 AC_DEFINE([WITH_COMPLEX_GENERIC_KERNEL],[1],[can use complex generic kernel])
fi

AM_CONDITIONAL([WITH_REAL_GENERIC_SIMPLE_KERNEL],[test x"$install_real_generic_simple" = x"yes"])
851
if test x"${install_real_generic_simple}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
852 853 854 855
 AC_DEFINE([WITH_REAL_GENERIC_SIMPLE_KERNEL],[1],[can use real generic-simple kernel])
fi

AM_CONDITIONAL([WITH_COMPLEX_GENERIC_SIMPLE_KERNEL],[test x"$install_complex_generic_simple" = x"yes"])
856
if test x"${install_complex_generic_simple}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
857 858 859 860
 AC_DEFINE([WITH_COMPLEX_GENERIC_SIMPLE_KERNEL],[1],[can use complex generic-simple kernel])
fi

AM_CONDITIONAL([WITH_REAL_SSE_KERNEL],[test x"$install_real_sse" = x"yes"])
861
if test x"${install_real_sse}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
862 863 864 865
 AC_DEFINE([WITH_REAL_SSE_KERNEL],[1],[can use real SSE kernel])
fi

AM_CONDITIONAL([WITH_COMPLEX_SSE_KERNEL],[test x"$install_complex_sse" = x"yes"])
866
if test x"${install_complex_sse}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
867 868 869 870
 AC_DEFINE([WITH_COMPLEX_SSE_KERNEL],[1],[can use complex SSE kernel])
fi

AM_CONDITIONAL([WITH_REAL_AVX_BLOCK2_KERNEL],[test x"$install_real_avx_block2" = x"yes"])
871
if test x"${install_real_avx_block2}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
872 873 874 875
 AC_DEFINE([WITH_REAL_AVX_BLOCK2_KERNEL],[1],[can use real_avx_block2 kernel])
fi

AM_CONDITIONAL([WITH_REAL_AVX_BLOCK4_KERNEL],[test x"$install_real_avx_block4" = x"yes"])
876
if test x"${install_real_avx_block4}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
877 878 879 880
 AC_DEFINE([WITH_REAL_AVX_BLOCK4_KERNEL],[1],[can use real_avx_block4 kernel])
fi

AM_CONDITIONAL([WITH_REAL_AVX_BLOCK6_KERNEL],[test x"$install_real_avx_block6" = x"yes"])
881
if test x"${install_real_avx_block6}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
882 883 884 885
 AC_DEFINE([WITH_REAL_AVX_BLOCK6_KERNEL],[1],[can use real_avx_block6 kernel])
fi

AM_CONDITIONAL([WITH_COMPLEX_AVX_BLOCK1_KERNEL],[test x"$install_complex_avx_block1" = x"yes"])
886
if test x"${install_complex_avx_block1}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
887 888 889 890
 AC_DEFINE([WITH_COMPLEX_AVX_BLOCK1_KERNEL],[1],[can use complex_avx_block1 kernel])
fi

AM_CONDITIONAL([WITH_COMPLEX_AVX_BLOCK2_KERNEL],[test x"$install_complex_avx_block2" = x"yes"])
891
if test x"${install_complex_avx_block2}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
892 893 894 895
 AC_DEFINE([WITH_COMPLEX_AVX_BLOCK2_KERNEL],[1],[can use complex_avx_block2 kernel])
fi

AM_CONDITIONAL([WITH_REAL_BGP_KERNEL],[test x"$install_real_bgp" = x"yes"])
896
if test x"${install_real_bgp}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
897 898 899 900
 AC_DEFINE([WITH_REAL_BGP_KERNEL],[1],[can use real BGP kernel])
fi

AM_CONDITIONAL([WITH_REAL_BGQ_KERNEL],[test x"$install_real_bgq" = x"yes"])
901
if test x"${install_real_bgq}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
902 903 904
 AC_DEFINE([WITH_REAL_BGQ_KERNEL],[1],[can use real BGQ kernel])
fi

905 906
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
907 908
fi

909 910
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
911 912
fi

913 914 915 916 917 918 919
LT_INIT

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])
923 924
#AC_SUBST(OPT_FCFLAGS)

925
rm -rf modules/ .fortran_dependencies/
926 927 928 929 930 931 932 933 934 935 936
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])

937 938 939 940 941 942 943 944 945

# 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')
946

947
if test x"${enable_openmp}" = x"yes"; then
948
	SUFFIX="_openmp"
949
else
950
	SUFFIX=""
951
fi
952 953
AC_SUBST([SUFFIX])
AC_SUBST([PKG_CONFIG_FILE],[elpa${SUFFIX}-${PACKAGE_VERSION}.pc])
954

955 956
AC_CONFIG_FILES([
  Makefile
957
  ${PKG_CONFIG_FILE}:elpa.pc.in
958
])
959

960
AC_OUTPUT
961 962 963 964 965 966


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
967
  exit 1
968
fi
Andreas Marek's avatar
Andreas Marek committed
969 970 971 972 973

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

974 975 976
if test "${can_compile_avx}" = "no" ; then
  AC_MSG_WARN([Could not compile AVX instructions])
fi