206 lines
		
	
	
		
			8.9 KiB
		
	
	
	
		
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			206 lines
		
	
	
		
			8.9 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
		
			Generated
		
	
	
| #################################################################################################
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| # Copyright (c) 2010, Lawrence Livermore National Security, LLC.
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| # Produced at the Lawrence Livermore National Laboratory
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| # Written by Todd Gamblin, tgamblin@llnl.gov.
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| # LLNL-CODE-417602
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| # All rights reserved.
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| #
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| # This file is part of Libra. For details, see http://github.com/tgamblin/libra.
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| # Please also read the LICENSE file for further information.
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| #
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| # Redistribution and use in source and binary forms, with or without modification, are
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| # permitted provided that the following conditions are met:
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| #
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| # * Redistributions of source code must retain the above copyright notice, this list of
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| # conditions and the disclaimer below.
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| # * Redistributions in binary form must reproduce the above copyright notice, this list of
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| # conditions and the disclaimer (as noted below) in the documentation and/or other materials
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| # provided with the distribution.
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| # * Neither the name of the LLNS/LLNL nor the names of its contributors may be used to endorse
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| # or promote products derived from this software without specific prior written permission.
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| #
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| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
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| # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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| # MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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| # LAWRENCE LIVERMORE NATIONAL SECURITY, LLC, THE U.S. DEPARTMENT OF ENERGY OR CONTRIBUTORS BE
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| # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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| # (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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| # WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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| # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| #################################################################################################
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| 
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| #
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| # LX_FIND_MPI()
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| # ------------------------------------------------------------------------
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| # This macro finds an MPI compiler and extracts includes and libraries from
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| # it for use in automake projects. The script exports the following variables:
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| #
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| # AC_DEFINE variables:
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| # HAVE_MPI AC_DEFINE'd to 1 if we found MPI
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| #
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| # AC_SUBST variables:
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| # MPICC Name of MPI compiler
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| # MPI_CFLAGS Includes and defines for MPI C compilation
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| # MPI_CLDFLAGS Libraries and library paths for linking MPI C programs
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| #
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| # MPICXX Name of MPI C++ compiler
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| # MPI_CXXFLAGS Includes and defines for MPI C++ compilation
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| # MPI_CXXLDFLAGS Libraries and library paths for linking MPI C++ programs
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| #
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| # MPIF77 Name of MPI Fortran 77 compiler
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| # MPI_F77FLAGS Includes and defines for MPI Fortran 77 compilation
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| # MPI_F77LDFLAGS Libraries and library paths for linking MPI Fortran 77 programs
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| #
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| # MPIFC Name of MPI Fortran compiler
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| # MPI_FFLAGS Includes and defines for MPI Fortran compilation
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| # MPI_FLDFLAGS Libraries and library paths for linking MPI Fortran programs
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| #
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| # Shell variables output by this macro:
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| # have_C_mpi 'yes' if we found MPI for C, 'no' otherwise
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| # have_CXX_mpi 'yes' if we found MPI for C++, 'no' otherwise
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| # have_F77_mpi 'yes' if we found MPI for F77, 'no' otherwise
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| # have_F_mpi 'yes' if we found MPI for Fortran, 'no' otherwise
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| #
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| AC_DEFUN([LX_FIND_MPI],
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| [
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|      AC_LANG_CASE(
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|      [C], [
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|          AC_REQUIRE([AC_PROG_CC])
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|          if [[ ! -z "$MPICC" ]]; then
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|              LX_QUERY_MPI_COMPILER(MPICC, [$MPICC], C)
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|          else
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|              LX_QUERY_MPI_COMPILER(MPICC, [mpicc mpiicc mpixlc mpipgcc], C)
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|          fi
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|      ],
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|      [C++], [
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|          AC_REQUIRE([AC_PROG_CXX])
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|          if [[ ! -z "$MPICXX" ]]; then
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|              LX_QUERY_MPI_COMPILER(MPICXX, [$MPICXX], CXX)
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|          else
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|              LX_QUERY_MPI_COMPILER(MPICXX, [mpicxx mpiCC mpic++ mpig++ mpiicpc mpipgCC mpixlC], CXX)
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|          fi
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|      ],
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|      [F77], [
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|          AC_REQUIRE([AC_PROG_F77])
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|          if [[ ! -z "$MPIF77" ]]; then
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|              LX_QUERY_MPI_COMPILER(MPIF77, [$MPIF77], F77)
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|          else
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|              LX_QUERY_MPI_COMPILER(MPIF77, [mpif77 mpiifort mpixlf77 mpixlf77_r], F77)
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|          fi
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|      ],
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|      [Fortran], [
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|          AC_REQUIRE([AC_PROG_FC])
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|          if [[ ! -z "$MPIFC" ]]; then
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|              LX_QUERY_MPI_COMPILER(MPIFC, [$MPIFC], F)
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|          else
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|              mpi_default_fc="mpif95 mpif90 mpigfortran mpif2003"
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|              mpi_intel_fc="mpiifort"
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|              mpi_xl_fc="mpixlf95 mpixlf95_r mpixlf90 mpixlf90_r mpixlf2003 mpixlf2003_r"
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|              mpi_pg_fc="mpipgf95 mpipgf90"
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|              LX_QUERY_MPI_COMPILER(MPIFC, [$mpi_default_fc $mpi_intel_fc $mpi_xl_fc $mpi_pg_fc], F)
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|          fi
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|      ])
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| ])
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| 
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| 
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| #
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| # LX_QUERY_MPI_COMPILER([compiler-var-name], [compiler-names], [output-var-prefix])
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| # ------------------------------------------------------------------------
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| # AC_SUBST variables:
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| # MPI_<prefix>FLAGS Includes and defines for MPI compilation
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| # MPI_<prefix>LDFLAGS Libraries and library paths for linking MPI C programs
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| #
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| # Shell variables output by this macro:
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| # found_mpi_flags 'yes' if we were able to get flags, 'no' otherwise
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| #
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| AC_DEFUN([LX_QUERY_MPI_COMPILER],
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| [
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|      # Try to find a working MPI compiler from the supplied names
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|      AC_PATH_PROGS($1, [$2], [not-found])
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|      
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|      # Figure out what the compiler responds to to get it to show us the compile
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|      # and link lines. After this part of the macro, we'll have a valid
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|      # lx_mpi_command_line
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|      echo -n "Checking whether $$1 responds to '-showme:compile'... "
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|      lx_mpi_compile_line=`$$1 -showme:compile 2>/dev/null`
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|      if [[ "$?" -eq 0 ]]; then
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|          echo yes
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|          lx_mpi_link_line=`$$1 -showme:link 2>/dev/null`
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|      else
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|          echo no
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|          echo -n "Checking whether $$1 responds to '-showme'... "
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|          lx_mpi_command_line=`$$1 -showme 2>/dev/null`
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|          if [[ "$?" -ne 0 ]]; then
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|              echo no
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|              echo -n "Checking whether $$1 responds to '-compile-info'... "
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|              lx_mpi_compile_line=`$$1 -compile-info 2>/dev/null`
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|              if [[ "$?" -eq 0 ]]; then
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|                  echo yes
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|                  lx_mpi_link_line=`$$1 -link-info 2>/dev/null`
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|              else
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|                  echo no
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|                  echo -n "Checking whether $$1 responds to '-show'... "
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|                  lx_mpi_command_line=`$$1 -show 2>/dev/null`
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|                  if [[ "$?" -eq 0 ]]; then
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|                      echo yes
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|                  else
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|                      echo no
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|                  fi
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|              fi
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|          else
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|              echo yes
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|          fi
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|      fi
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|           
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|      if [[ ! -z "$lx_mpi_compile_line" -a ! -z "$lx_mpi_link_line" ]]; then
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|          lx_mpi_command_line="$lx_mpi_compile_line $lx_mpi_link_line"
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|      fi
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| 
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|      if [[ ! -z "$lx_mpi_command_line" ]]; then
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|          # Now extract the different parts of the MPI command line. Do these separately in case we need to
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|          # parse them all out in future versions of this macro.
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|          lx_mpi_defines=` echo "$lx_mpi_command_line" | grep -o -- '\(^\| \)-D\([[^\"[:space:]]]\+\|\"[[^\"[:space:]]]\+\"\)'`
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|          lx_mpi_includes=` echo "$lx_mpi_command_line" | grep -o -- '\(^\| \)-I\([[^\"[:space:]]]\+\|\"[[^\"[:space:]]]\+\"\)'`
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|          lx_mpi_link_paths=` echo "$lx_mpi_command_line" | grep -o -- '\(^\| \)-L\([[^\"[:space:]]]\+\|\"[[^\"[:space:]]]\+\"\)'`
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|          lx_mpi_libs=` echo "$lx_mpi_command_line" | grep -o -- '\(^\| \)-l\([[^\"[:space:]]]\+\|\"[[^\"[:space:]]]\+\"\)'`
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|          lx_mpi_link_args=` echo "$lx_mpi_command_line" | grep -o -- '\(^\| \)-Wl,\([[^\"[:space:]]]\+\|\"[[^\"[:space:]]]\+\"\)'`
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|          
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|          # Create variables and clean up newlines and multiple spaces
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|          MPI_$3FLAGS="$lx_mpi_defines $lx_mpi_includes"
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|          MPI_$3LDFLAGS="$lx_mpi_link_paths $lx_mpi_libs $lx_mpi_link_args"
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|          MPI_$3FLAGS=` echo "$MPI_$3FLAGS" | tr '\n' ' ' | sed 's/^[[ \t]]*//;s/[[ \t]]*$//' | sed 's/ +/ /g'`
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|          MPI_$3LDFLAGS=`echo "$MPI_$3LDFLAGS" | tr '\n' ' ' | sed 's/^[[ \t]]*//;s/[[ \t]]*$//' | sed 's/ +/ /g'`
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| 
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|          OLD_CPPFLAGS=$CPPFLAGS
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|          OLD_LIBS=$LIBS
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|          CPPFLAGS=$MPI_$3FLAGS
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|          LIBS=$MPI_$3LDFLAGS
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| 
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|          AC_TRY_LINK([#include <mpi.h>],
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|                      [int rank, size;
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|                       MPI_Comm_rank(MPI_COMM_WORLD, &rank);
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|                       MPI_Comm_size(MPI_COMM_WORLD, &size);],
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|                      [# Add a define for testing at compile time.
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|                       AC_DEFINE([HAVE_MPI], [1], [Define to 1 if you have MPI libs and headers.])
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|                       have_$3_mpi='yes'],
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|                      [# zero out mpi flags so we don't link against the faulty library.
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|                       MPI_$3FLAGS=""
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|                       MPI_$3LDFLAGS=""
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|                       have_$3_mpi='no'])
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| 
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|          # AC_SUBST everything.
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|          AC_SUBST($1)
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|          AC_SUBST(MPI_$3FLAGS)
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|          AC_SUBST(MPI_$3LDFLAGS)
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| 
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|          LIBS=$OLD_LIBS
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|          CPPFLAGS=$OLD_CPPFLAGS
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|      else
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|          echo Unable to find suitable MPI Compiler. Try setting $1.
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|          have_$3_mpi='no'
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|      fi
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| ])
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| 
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| 
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