126 строки
5.9 KiB
Bash
126 строки
5.9 KiB
Bash
dnl -*- shell-script -*-
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dnl
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dnl Copyright (c) 2004-2010 The Trustees of Indiana University and Indiana
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dnl University Research and Technology
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dnl Corporation. All rights reserved.
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dnl Copyright (c) 2004-2005 The University of Tennessee and The University
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dnl of Tennessee Research Foundation. All rights
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dnl reserved.
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dnl Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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dnl University of Stuttgart. All rights reserved.
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dnl Copyright (c) 2004-2005 The Regents of the University of California.
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dnl All rights reserved.
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dnl Copyright (c) 2006-2010 Cisco Systems, Inc. All rights reserved.
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dnl Copyright (c) 2007 Sun Microsystems, Inc. All rights reserved.
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dnl Copyright (c) 2009 IBM Corporation. All rights reserved.
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dnl Copyright (c) 2009 Los Alamos National Security, LLC. All rights
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dnl reserved.
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dnl Copyright (c) 2009-2011 Oak Ridge National Labs. All rights reserved.
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dnl Copyright (c) 2011-2013 NVIDIA Corporation. All rights reserved.
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dnl
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dnl $COPYRIGHT$
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dnl
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dnl Additional copyrights may follow
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dnl
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dnl $HEADER$
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dnl
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AC_DEFUN([OPAL_CHECK_CUDA],[
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#
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# Check to see if user wants CUDA support
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#
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AC_ARG_WITH([cuda],
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[AC_HELP_STRING([--with-cuda(=DIR)],
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[Build cuda support, optionally adding DIR/include])])
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AC_MSG_CHECKING([if --with-cuda is set])
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# Note that CUDA support is off by default. To turn it on, the user has to
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# request it. The user can just ask for --with-cuda and it that case we
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# look for the cuda.h file in /usr/local/cuda. Otherwise, they can give
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# us a directory. If they provide a directory, we will look in that directory
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# as well as the directory with the "include" string appended to it. The fact
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# that we check in two directories precludes us from using the OMPI_CHECK_DIR
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# macro as that would error out after not finding it in the first directory.
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# Note that anywhere CUDA aware code is in the Open MPI repository requires
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# us to make use of AC_REQUIRE to ensure this check has been done.
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AS_IF([test "$with_cuda" = "no" -o "x$with_cuda" = "x"],
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[opal_check_cuda_happy="no"
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AC_MSG_RESULT([not set (--with-cuda=$with_cuda)])],
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[AS_IF([test "$with_cuda" = "yes"],
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[AS_IF([test "x`ls /usr/local/cuda/include/cuda.h 2> /dev/null`" = "x"],
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[AC_MSG_RESULT([not found in standard location])
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AC_MSG_WARN([Expected file /usr/local/cuda/include/cuda.h not found])
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AC_MSG_ERROR([Cannot continue])],
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[AC_MSG_RESULT([found])
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opal_check_cuda_happy=yes
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opal_cuda_incdir=/usr/local/cuda/include])],
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[AS_IF([test ! -d "$with_cuda"],
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[AC_MSG_RESULT([not found])
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AC_MSG_WARN([Directory $with_cuda not found])
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AC_MSG_ERROR([Cannot continue])],
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[AS_IF([test "x`ls $with_cuda/include/cuda.h 2> /dev/null`" = "x"],
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[AS_IF([test "x`ls $with_cuda/cuda.h 2> /dev/null`" = "x"],
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[AC_MSG_RESULT([not found])
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AC_MSG_WARN([Could not find cuda.h in $with_cuda/include or $with_cuda])
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AC_MSG_ERROR([Cannot continue])],
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[opal_check_cuda_happy=yes
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opal_cuda_incdir=$with_cuda
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AC_MSG_RESULT([found ($with_cuda/cuda.h)])])],
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[opal_check_cuda_happy=yes
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opal_cuda_incdir="$with_cuda/include"
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AC_MSG_RESULT([found ($opal_cuda_incdir/cuda.h)])])])])])
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# If we have CUDA support, check to see if we have CUDA 4.1 support
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AS_IF([test "$opal_check_cuda_happy"="yes"],
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AC_CHECK_MEMBER([struct CUipcMemHandle_st.reserved], [CUDA_SUPPORT_41=1], [CUDA_SUPPORT_41=0],
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[#include <$opal_cuda_incdir/cuda.h>]),
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[])
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# If we have CUDA support, check to see if we have support for SYNC_MEMOPS
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# which was first introduced in CUDA 6.0.
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AS_IF([test "$opal_check_cuda_happy"="yes"],
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AC_CHECK_DECL([CU_POINTER_ATTRIBUTE_SYNC_MEMOPS], [CUDA_SYNC_MEMOPS=1], [CUDA_SYNC_MEMOPS=0],
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[#include <$opal_cuda_incdir/cuda.h>]),
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[])
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# If we have CUDA support, check to see if we have CUDA 6.0 or later.
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AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM([[#include <$opal_cuda_incdir/cuda.h>]],
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[[
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#if CUDA_VERSION < 6000
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#error "CUDA_VERSION is less than 6000"
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#endif
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]])],
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[CUDA_VERSION_60_OR_GREATER=1],
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[CUDA_VERSION_60_OR_GREATER=0])
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AC_MSG_CHECKING([if have cuda support])
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if test "$opal_check_cuda_happy" = "yes"; then
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AC_MSG_RESULT([yes (-I$with_cuda)])
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CUDA_SUPPORT=1
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opal_datatype_cuda_CPPFLAGS="-I$opal_cuda_incdir"
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AC_SUBST([opal_datatype_cuda_CPPFLAGS])
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else
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AC_MSG_RESULT([no])
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CUDA_SUPPORT=0
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fi
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AM_CONDITIONAL([OPAL_cuda_support], [test "x$CUDA_SUPPORT" = "x1"])
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AC_DEFINE_UNQUOTED([OPAL_CUDA_SUPPORT],$CUDA_SUPPORT,
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[Whether we want cuda device pointer support])
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AM_CONDITIONAL([OPAL_cuda_support_41], [test "x$CUDA_SUPPORT_41" = "x1"])
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AC_DEFINE_UNQUOTED([OPAL_CUDA_SUPPORT_41],$CUDA_SUPPORT_41,
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[Whether we have CUDA 4.1 support available])
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AM_CONDITIONAL([OPAL_cuda_sync_memops], [test "x$CUDA_SYNC_MEMOPS" = "x1"])
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AC_DEFINE_UNQUOTED([OPAL_CUDA_SYNC_MEMOPS],$CUDA_SYNC_MEMOPS,
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[Whether we have CUDA CU_POINTER_ATTRIBUTE_SYNC_MEMOPS support available])
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# There is nothing specific we can check for to see if GPU Direct RDMA is available.
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# Therefore, we check to see whether we have CUDA 6.0 or later.
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AM_CONDITIONAL([OPAL_cuda_gdr_support], [test "x$CUDA_VERSION_60_OR_GREATER" = "x1"])
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AC_DEFINE_UNQUOTED([OPAL_CUDA_GDR_SUPPORT],$CUDA_VERSION_60_OR_GREATER,
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[Whether we have CUDA GDR support available])
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])
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