configure.ac 25.2 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# This only makes trouble for end users with out-of-date autoconf versions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
m4_include([m4/ax_elpa_openmp.m4])

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

Andreas Marek's avatar
Andreas Marek committed
71 72 73 74 75 76 77
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])])
78 79 80 81 82 83 84
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
85

86
AC_PROG_INSTALL
87 88
AM_PROG_AR
AM_PROG_AS
Andreas Marek's avatar
Andreas Marek committed
89 90 91 92 93 94 95


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

96 97 98 99 100 101 102 103 104
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
105 106 107

# C++
AC_LANG([C++])
108
AC_PROG_CXX
109

110 111 112 113 114 115 116
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
117 118 119



Andreas Marek's avatar
Andreas Marek committed
120
dnl variables needed for the tests
121
N="0"
Andreas Marek's avatar
Andreas Marek committed
122 123 124 125 126 127 128 129 130

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
131

Andreas Marek's avatar
Andreas Marek committed
132 133 134 135 136 137
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
138
can_compile_gpu=no
Andreas Marek's avatar
Andreas Marek committed
139 140 141 142

fortran_can_check_environment=no
use_specific_real_kernel=no
use_specific_complex_kernel=no
143
build_with_gpu_support_only=no
Andreas Marek's avatar
Andreas Marek committed
144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160

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
161

162 163
install_gpu=no

Andreas Marek's avatar
Andreas Marek committed
164 165
AC_LANG([C])

166 167 168 169 170 171 172 173 174
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}])

175 176 177 178 179 180 181 182 183 184 185 186 187 188
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"])
189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210

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
211 212
AC_MSG_CHECKING(whether SSE assembler kernel can be compiled)

213 214
$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
215 216 217
  can_compile_sse=yes
  install_real_sse=yes
  install_complex_sse=yes
218
else
Andreas Marek's avatar
Andreas Marek committed
219 220 221
  can_compile_sse=no
  install_real_sse=no
  install_complex_sse=no
222 223
fi
rm -f ./test.o
Andreas Marek's avatar
Andreas Marek committed
224
AC_MSG_RESULT([${can_compile_sse}])
225

Andreas Marek's avatar
Andreas Marek committed
226
dnl check whether one can compile with avx - gcc intrinsics
227

228
dnl first pass: try with specified CFLAGS and CXXFLAGS
229
AC_MSG_CHECKING([whether we can compile AVX intrinsics in C])
230 231
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
 #include <x86intrin.h>
232
 int main(int argc, char **argv){
233 234
 double* q;
 __m256d a1_1 = _mm256_load_pd(q);
235
 return 0;
236 237 238 239 240
 }
 ])],
 [can_compile_avx=yes],
 [can_compile_avx=no]
)
Andreas Marek's avatar
Andreas Marek committed
241
AC_MSG_RESULT([${can_compile_avx}])
242 243 244
if test "${can_compile_avx}" = "yes" ; then
  AC_MSG_CHECKING([whether we can compile AVX intrinsics in C++])
  AC_LANG_PUSH([C++])
245 246
  AC_COMPILE_IFELSE([AC_LANG_SOURCE([
   #include <x86intrin.h>
247
   int main(int argc, char **argv){
248 249
   double* q;
   __m256d a1_1 = _mm256_load_pd(q);
250
   return 0;
251 252 253 254 255
   }
   ])],
   [can_compile_avx=yes],
   [can_compile_avx=no]
  )
256
  AC_LANG_POP([C++])
257
  AC_MSG_RESULT([${can_compile_avx}])
258 259
  if test "${can_compile_avx}" = "no" ; then
    AC_MSG_WARN([Cannot compile C++ with AVX: disabling AVX alltogether])
260 261 262
  fi
fi

263
if test "${can_compile_avx}" = "yes" ; then
Andreas Marek's avatar
Andreas Marek committed
264 265 266 267 268 269
  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
270 271 272 273 274 275 276 277 278
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
279
AC_MSG_RESULT([${with_avx_optimization}])
280
if test x"${with_avx_optimization}" = x"yes"; then
Andreas Marek's avatar
Andreas Marek committed
281 282 283
 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
284

285
AC_LANG([Fortran])
286 287 288
AC_FC_FREEFORM
AC_FC_MODULE_FLAG
AC_FC_MODULE_OUTPUT_FLAG
289
AC_FC_LIBRARY_LDFLAGS
290 291 292 293

save_FCFLAGS=$FCFLAGS
save_LDFLAGS=$LDFLAGS

294 295 296
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])

297 298
FCFLAGS="$FCFLAGS $SCALAPACK_FCFLAGS"
LDFLAGS="$LDFLAGS $SCALAPACK_LDFLAGS"
299

300
dnl check whether fortran error_unit is defined
301
AC_MSG_CHECKING([whether Fortran module iso_fortran_env is available])
302
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
303 304 305 306 307 308 309 310 311 312
  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]
)
313
AC_MSG_RESULT([${can_use_iso_fortran_env}])
314

315 316 317 318
dnl check whether one can link with specified MKL (desired method)
AC_MSG_CHECKING([whether we can compile a Fortran program using MKL])


319
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
320
  program test_mkl
321
    use mkl_service
322 323 324 325 326 327 328 329 330 331 332 333
    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"$can_compile_with_mkl" = x"yes" ; then
  AC_MSG_CHECKING([whether we can link a Fortran program with MKL])
334
  AC_LINK_IFELSE([AC_LANG_SOURCE([
335
    program test_mkl
336
      use mkl_service
337 338 339 340 341
      character*198 :: string
      call mkl_get_version_string(string)
      write(*,'(a)') string
    end program
  ])],
Andreas Marek's avatar
Andreas Marek committed
342 343
    [have_mkl=yes],
    [have_mkl=no]
344
  )
Andreas Marek's avatar
Andreas Marek committed
345
  AC_MSG_RESULT([${have_mkl}])
346 347 348
fi

dnl if not mkl, check all the necessary individually
349
if test x"${have_mkl}" = x"yes" ; then
350 351 352 353
  WITH_MKL=1
else

  dnl first check blas
Andreas Marek's avatar
Andreas Marek committed
354 355 356
  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}])
357

358
  if test x"${have_blas}" = x"no" ; then
359
    AC_MSG_ERROR([could not link with blas: specify path])
360
  fi
361
  dnl now lapack
Andreas Marek's avatar
Andreas Marek committed
362 363 364
  AC_SEARCH_LIBS([dlarrv],[lapack],[have_lapack=yes],[have_lapack=no])
  AC_MSG_CHECKING([whether we can link a program with a lapack lib])
  AC_MSG_RESULT([${have_lapack}])
365

366
  if test x"${have_lapack}" = x"no" ; then
367
    AC_MSG_ERROR([could not link with lapack: specify path])
368
  fi
Andreas Marek's avatar
Andreas Marek committed
369

370 371
  dnl test whether scalapack already contains blacs
  scalapack_libs="mpiscalapack scalapack"
372 373 374 375 376 377 378 379 380 381 382 383 384 385 386
  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
387 388
    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
389

390 391 392
    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
393
  fi
394

395
  AC_SEARCH_LIBS([pdtran],[$scalapack_libs],[have_scalapack=yes],[have_scalapack=no])
Andreas Marek's avatar
Andreas Marek committed
396

397
  if test x"${have_scalapack}" = x"no" ; then
398
    AC_MSG_ERROR([could not link with scalapack: specify path])
399 400 401 402
  fi

  dnl check whether we can link alltogehter
  AC_MSG_CHECKING([whether we can link a Fortran program with all blacs/scalapack])
403
  AC_LINK_IFELSE([AC_LANG_SOURCE([
404 405
    program dgemm_test

406 407
      integer , parameter:: M = 4, N = 3, K = 2
      real :: A(M,K), B(K,N), C(M,N)
408

409
      call dgemm('N','N',M,N,K,1.0,A,M,B,K,0.0,C,M)
410 411 412 413 414 415 416 417

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

418
   if test x"${can_link_with_blacs_scalapack}" = x"yes" ; then
419 420
     WITH_BLACS=1
   else
421
   AC_MSG_ERROR([We can neither link with MKL or another Scalpack. Please specify SCALAPACK_LDFLAGS and SCALAPACK_FCFLAGS!])
422 423 424
   fi
fi

425 426 427 428
dnl important: reset them again!
FCFLAGS=$save_FCFLAGS
LDFLAGS=$save_LDFLAGS

Andreas Marek's avatar
Andreas Marek committed
429 430 431 432
dnl check for intrinsic fortran function of 2003 standard
AC_MSG_CHECKING([whether we can use the intrinsic Fortran function "get_environment_variable"])


433
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
Andreas Marek's avatar
Andreas Marek committed
434 435 436 437 438 439 440 441 442 443 444 445
  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}])


446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493

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
494 495 496 497 498 499 500 501
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])

502
AC_LINK_IFELSE([AC_LANG_SOURCE([
Andreas Marek's avatar
Andreas Marek committed
503 504 505
  program test_bgp
    complex*16 :: y3,q3,h2
    y3 = fxcpmadd(y3,q3,h2)
506

Andreas Marek's avatar
Andreas Marek committed
507 508 509 510 511 512 513
  end program
])],
  [can_compile_bgp=yes],
  [can_compile_bgp=no]
)
AC_MSG_RESULT([${can_compile_bgp}])

514
if test x"${can_compile_bgp}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
515 516 517 518 519 520 521
  install_real_bgp=yes
  install_complex_bgp=yes
fi

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

522
AC_LINK_IFELSE([AC_LANG_SOURCE([
Andreas Marek's avatar
Andreas Marek committed
523
  program test_bgq
Andreas Marek's avatar
Andreas Marek committed
524
    VECTOR(REAL(8))::QPX_x2
Andreas Marek's avatar
Andreas Marek committed
525 526
    real*8 :: hh(10,2))
    QPX_h2 = VEC_SPLATS(hh(2,2))
527

Andreas Marek's avatar
Andreas Marek committed
528 529 530 531 532 533 534
  end program
])],
  [can_compile_bgq=yes],
  [can_compile_bgq=no]
)
AC_MSG_RESULT([${can_compile_bgq}])

535
if test x"${can_compile_bgq}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
536 537 538 539 540 541
  install_real_bgq=yes
  install_complex_bgq=yes
fi


dnl environment variable setting of kernel
542
if test x"${fortran_can_check_environment}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
543 544 545
 AC_DEFINE([HAVE_ENVIRONMENT_CHECKING],[1],[Fortran can querry environment variables])
fi

546 547 548
dnl GPU version only
m4_include([m4/ax_elpa_gpu_version_only.m4])
DEFINE_OPTION_GPU_SUPPORT_ONLY([gpu-version-only],[gpu-support],[install_gpu])
Andreas Marek's avatar
Andreas Marek committed
549

550

551 552
dnl last check whether user wants to compile only a specific kernel
dnl
553
m4_include([m4/ax_elpa_specific_kernels.m4])
Andreas Marek's avatar
Andreas Marek committed
554

555 556 557
dnl only do this if GPU support only has not been requested
if test x"${build_with_gpu_support_only}" = x"no" ; then

558 559
dnl real kernels

560
  dnl generic kernel
561
  DEFINE_OPTION_SPECIFIC_REAL_KERNEL([real-generic-kernel-only],[generic-kernel],[install_real_generic])
Andreas Marek's avatar
Andreas Marek committed
562

563
  dnl generic-simple kernel
564
  DEFINE_OPTION_SPECIFIC_REAL_KERNEL([real-generic-simple-kernel-only],[generic-simple-kernel],[install_real_generic_simple])
Andreas Marek's avatar
Andreas Marek committed
565

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

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

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

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

578
  dnl real-avx-block4 kernel
579
  DEFINE_OPTION_SPECIFIC_REAL_KERNEL([real-avx-block4-kernel]-only,[real-avx-block4-kernel],[install_real_avx_block4])
580 581

  dnl real-avx-block6 kernel
582
  DEFINE_OPTION_SPECIFIC_REAL_KERNEL([real-avx-block6-kernel-only],[real-avx-block6-kernel],[install_real_avx_block6])
Andreas Marek's avatar
Andreas Marek committed
583 584

dnl complex kernels
585

586
  dnl generic kernel
587
  DEFINE_OPTION_SPECIFIC_COMPLEX_KERNEL([complex-generic-kernel-only],[generic-kernel],[install_complex_generic])
Andreas Marek's avatar
Andreas Marek committed
588

589
  dnl generic-simple kernel
590
  DEFINE_OPTION_SPECIFIC_COMPLEX_KERNEL([complex-generic-simple-kernel-only],[generic-simple-kernel],[install_complex_generic_simple])
Andreas Marek's avatar
Andreas Marek committed
591

592
  dnl sse kernel
593
  DEFINE_OPTION_SPECIFIC_COMPLEX_KERNEL([complex-sse-kernel-only],[sse-kernel],[install_complex_sse])
Andreas Marek's avatar
Andreas Marek committed
594

595
  dnl complex-bqp kernel
596
  DEFINE_OPTION_SPECIFIC_COMPLEX_KERNEL([complex-bgp-kernel-only],[bgp-kernel],[install_complex_bgp])
Andreas Marek's avatar
Andreas Marek committed
597

598
  dnl complex-bqq kernel
599
  DEFINE_OPTION_SPECIFIC_COMPLEX_KERNEL([complex-bgq-kernel-only],[bgq-kernel],[install_complex_bgq])
Andreas Marek's avatar
Andreas Marek committed
600

601
  dnl complex-avx-block1 kernel
602
  DEFINE_OPTION_SPECIFIC_COMPLEX_KERNEL([complex-avx-block1-kernel-only],[complex-avx-block1-kernel],[install_complex_avx_block1])
Andreas Marek's avatar
Andreas Marek committed
603

604
  dnl complex-avx-block2 kernel
605
  DEFINE_OPTION_SPECIFIC_COMPLEX_KERNEL([complex-avx-block2-kernel-only],[complex-avx-block2-kernel],[install_complex_avx_block2])
606
fi
Andreas Marek's avatar
Andreas Marek committed
607

608
dnl set the conditionals according to the previous tests
609
if test x"${can_use_iso_fortran_env}" = x"yes" ; then
610 611 612
 AC_DEFINE([HAVE_ISO_FORTRAN_ENV],[1],[can use module iso_fortran_env])
fi

613 614 615 616 617 618 619 620
#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],
621
#	                                   [build ELPA2 with GPU-support ( no CPU version available)])],
622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673
#              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"$install_gpu" = x"yes"])
if test x"${install_gpu}" = x"yes" ; then
  AC_DEFINE([WITH_GPU_VERSION],[1],[enable GPU support])
674
fi
675

Andreas Marek's avatar
Andreas Marek committed
676
AM_CONDITIONAL([WITH_REAL_GENERIC_KERNEL],[test x"$install_real_generic" = x"yes"])
677
if test x"${install_real_generic}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
678 679 680 681
 AC_DEFINE([WITH_REAL_GENERIC_KERNEL],[1],[can use real generic kernel])
fi

AM_CONDITIONAL([WITH_COMPLEX_GENERIC_KERNEL],[test x"$install_complex_generic" = x"yes"])
682
if test x"${install_complex_generic}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
683 684 685 686
 AC_DEFINE([WITH_COMPLEX_GENERIC_KERNEL],[1],[can use complex generic kernel])
fi

AM_CONDITIONAL([WITH_REAL_GENERIC_SIMPLE_KERNEL],[test x"$install_real_generic_simple" = x"yes"])
687
if test x"${install_real_generic_simple}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
688 689 690 691
 AC_DEFINE([WITH_REAL_GENERIC_SIMPLE_KERNEL],[1],[can use real generic-simple kernel])
fi

AM_CONDITIONAL([WITH_COMPLEX_GENERIC_SIMPLE_KERNEL],[test x"$install_complex_generic_simple" = x"yes"])
692
if test x"${install_complex_generic_simple}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
693 694 695 696
 AC_DEFINE([WITH_COMPLEX_GENERIC_SIMPLE_KERNEL],[1],[can use complex generic-simple kernel])
fi

AM_CONDITIONAL([WITH_REAL_SSE_KERNEL],[test x"$install_real_sse" = x"yes"])
697
if test x"${install_real_sse}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
698 699 700 701
 AC_DEFINE([WITH_REAL_SSE_KERNEL],[1],[can use real SSE kernel])
fi

AM_CONDITIONAL([WITH_COMPLEX_SSE_KERNEL],[test x"$install_complex_sse" = x"yes"])
702
if test x"${install_complex_sse}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
703 704 705 706
 AC_DEFINE([WITH_COMPLEX_SSE_KERNEL],[1],[can use complex SSE kernel])
fi

AM_CONDITIONAL([WITH_REAL_AVX_BLOCK2_KERNEL],[test x"$install_real_avx_block2" = x"yes"])
707
if test x"${install_real_avx_block2}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
708 709 710 711
 AC_DEFINE([WITH_REAL_AVX_BLOCK2_KERNEL],[1],[can use real_avx_block2 kernel])
fi

AM_CONDITIONAL([WITH_REAL_AVX_BLOCK4_KERNEL],[test x"$install_real_avx_block4" = x"yes"])
712
if test x"${install_real_avx_block4}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
713 714 715 716
 AC_DEFINE([WITH_REAL_AVX_BLOCK4_KERNEL],[1],[can use real_avx_block4 kernel])
fi

AM_CONDITIONAL([WITH_REAL_AVX_BLOCK6_KERNEL],[test x"$install_real_avx_block6" = x"yes"])
717
if test x"${install_real_avx_block6}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
718 719 720 721
 AC_DEFINE([WITH_REAL_AVX_BLOCK6_KERNEL],[1],[can use real_avx_block6 kernel])
fi

AM_CONDITIONAL([WITH_COMPLEX_AVX_BLOCK1_KERNEL],[test x"$install_complex_avx_block1" = x"yes"])
722
if test x"${install_complex_avx_block1}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
723 724 725 726
 AC_DEFINE([WITH_COMPLEX_AVX_BLOCK1_KERNEL],[1],[can use complex_avx_block1 kernel])
fi

AM_CONDITIONAL([WITH_COMPLEX_AVX_BLOCK2_KERNEL],[test x"$install_complex_avx_block2" = x"yes"])
727
if test x"${install_complex_avx_block2}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
728 729 730 731
 AC_DEFINE([WITH_COMPLEX_AVX_BLOCK2_KERNEL],[1],[can use complex_avx_block2 kernel])
fi

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

AM_CONDITIONAL([WITH_REAL_BGQ_KERNEL],[test x"$install_real_bgq" = x"yes"])
737
if test x"${install_real_bgq}" = x"yes" ; then
Andreas Marek's avatar
Andreas Marek committed
738 739 740
 AC_DEFINE([WITH_REAL_BGQ_KERNEL],[1],[can use real BGQ kernel])
fi

741 742
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
743 744
fi

745 746
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
747 748
fi

749 750 751 752 753 754 755
LT_INIT

AC_SUBST([WITH_MKL])
AC_SUBST([WITH_BLACS])
AC_SUBST([with_amd_bulldozer_kernel])
AC_SUBST([FC_MODINC])
AC_SUBST([FC_MODOUT])
756 757 758
AC_SUBST([OPENMP_CFLAGS])
AC_SUBST([OPENMP_FCFLAGS])
AC_SUBST([OPENMP_LDFLAGS])
759 760
#AC_SUBST(OPT_FCFLAGS)

761
rm -rf modules/ .fortran_dependencies/
762 763 764 765 766 767 768 769 770 771 772
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])

773 774 775 776 777 778 779 780 781

# 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')
782

783
if test x"${enable_openmp}" = x"yes"; then
784
	SUFFIX="_openmp"
785
else
786
	SUFFIX=""
787
fi
788 789
AC_SUBST([SUFFIX])
AC_SUBST([PKG_CONFIG_FILE],[elpa${SUFFIX}-${PACKAGE_VERSION}.pc])
790

791 792
AC_CONFIG_FILES([
  Makefile
793
  ${PKG_CONFIG_FILE}:elpa.pc.in
794
])
795

796
AC_OUTPUT
797 798 799 800 801 802


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
803
  exit 1
804
fi
Andreas Marek's avatar
Andreas Marek committed
805 806 807 808 809

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

810 811 812
if test "${can_compile_avx}" = "no" ; then
  AC_MSG_WARN([Could not compile AVX instructions])
fi