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| 1 | +################################################################################################# |
| 2 | +# Copyright (c) 2010, Lawrence Livermore National Security, LLC. |
| 3 | +# Produced at the Lawrence Livermore National Laboratory |
| 4 | +# Written by Todd Gamblin, [email protected]. |
| 5 | +# LLNL-CODE-417602 |
| 6 | +# All rights reserved. |
| 7 | +# |
| 8 | +# This file is part of Libra. For details, see http://github.com/tgamblin/libra. |
| 9 | +# Please also read the LICENSE file for further information. |
| 10 | +# |
| 11 | +# Redistribution and use in source and binary forms, with or without modification, are |
| 12 | +# permitted provided that the following conditions are met: |
| 13 | +# |
| 14 | +# * Redistributions of source code must retain the above copyright notice, this list of |
| 15 | +# conditions and the disclaimer below. |
| 16 | +# * Redistributions in binary form must reproduce the above copyright notice, this list of |
| 17 | +# conditions and the disclaimer (as noted below) in the documentation and/or other materials |
| 18 | +# provided with the distribution. |
| 19 | +# * Neither the name of the LLNS/LLNL nor the names of its contributors may be used to endorse |
| 20 | +# or promote products derived from this software without specific prior written permission. |
| 21 | +# |
| 22 | +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS |
| 23 | +# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 24 | +# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL |
| 25 | +# LAWRENCE LIVERMORE NATIONAL SECURITY, LLC, THE U.S. DEPARTMENT OF ENERGY OR CONTRIBUTORS BE |
| 26 | +# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 27 | +# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 28 | +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 29 | +# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
| 30 | +# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 31 | +################################################################################################# |
| 32 | + |
| 33 | +# |
| 34 | +# LX_FIND_MPI() |
| 35 | +# ------------------------------------------------------------------------ |
| 36 | +# This macro finds an MPI compiler and extracts includes and libraries from |
| 37 | +# it for use in automake projects. The script exports the following variables: |
| 38 | +# |
| 39 | +# AC_DEFINE variables: |
| 40 | +# HAVE_MPI AC_DEFINE'd to 1 if we found MPI |
| 41 | +# |
| 42 | +# AC_SUBST variables: |
| 43 | +# MPICC Name of MPI compiler |
| 44 | +# MPI_CFLAGS Includes and defines for MPI C compilation |
| 45 | +# MPI_CLDFLAGS Libraries and library paths for linking MPI C programs |
| 46 | +# |
| 47 | +# MPICXX Name of MPI C++ compiler |
| 48 | +# MPI_CXXFLAGS Includes and defines for MPI C++ compilation |
| 49 | +# MPI_CXXLDFLAGS Libraries and library paths for linking MPI C++ programs |
| 50 | +# |
| 51 | +# MPIF77 Name of MPI Fortran 77 compiler |
| 52 | +# MPI_F77FLAGS Includes and defines for MPI Fortran 77 compilation |
| 53 | +# MPI_F77LDFLAGS Libraries and library paths for linking MPI Fortran 77 programs |
| 54 | +# |
| 55 | +# MPIFC Name of MPI Fortran compiler |
| 56 | +# MPI_FFLAGS Includes and defines for MPI Fortran compilation |
| 57 | +# MPI_FLDFLAGS Libraries and library paths for linking MPI Fortran programs |
| 58 | +# |
| 59 | +# Shell variables output by this macro: |
| 60 | +# have_C_mpi 'yes' if we found MPI for C, 'no' otherwise |
| 61 | +# have_CXX_mpi 'yes' if we found MPI for C++, 'no' otherwise |
| 62 | +# have_F77_mpi 'yes' if we found MPI for F77, 'no' otherwise |
| 63 | +# have_F_mpi 'yes' if we found MPI for Fortran, 'no' otherwise |
| 64 | +# |
| 65 | +AC_DEFUN([LX_FIND_MPI], |
| 66 | +[ |
| 67 | + AC_LANG_CASE( |
| 68 | + [C], [ |
| 69 | + AC_REQUIRE([AC_PROG_CC]) |
| 70 | + if [[ ! -z "$MPICC" ]]; then |
| 71 | + LX_QUERY_MPI_COMPILER(MPICC, [$MPICC], C) |
| 72 | + else |
| 73 | + LX_QUERY_MPI_COMPILER(MPICC, [mpicc mpiicc mpixlc mpipgcc], C) |
| 74 | + fi |
| 75 | + ], |
| 76 | + [C++], [ |
| 77 | + AC_REQUIRE([AC_PROG_CXX]) |
| 78 | + if [[ ! -z "$MPICXX" ]]; then |
| 79 | + LX_QUERY_MPI_COMPILER(MPICXX, [$MPICXX], CXX) |
| 80 | + else |
| 81 | + LX_QUERY_MPI_COMPILER(MPICXX, [mpicxx mpiCC mpic++ mpig++ mpiicpc mpipgCC mpixlC], CXX) |
| 82 | + fi |
| 83 | + ], |
| 84 | + [F77], [ |
| 85 | + AC_REQUIRE([AC_PROG_F77]) |
| 86 | + if [[ ! -z "$MPIF77" ]]; then |
| 87 | + LX_QUERY_MPI_COMPILER(MPIF77, [$MPIF77], F77) |
| 88 | + else |
| 89 | + LX_QUERY_MPI_COMPILER(MPIF77, [mpif77 mpiifort mpixlf77 mpixlf77_r], F77) |
| 90 | + fi |
| 91 | + ], |
| 92 | + [Fortran], [ |
| 93 | + AC_REQUIRE([AC_PROG_FC]) |
| 94 | + if [[ ! -z "$MPIFC" ]]; then |
| 95 | + LX_QUERY_MPI_COMPILER(MPIFC, [$MPIFC], F) |
| 96 | + else |
| 97 | + mpi_default_fc="mpif95 mpif90 mpigfortran mpif2003" |
| 98 | + mpi_intel_fc="mpiifort" |
| 99 | + mpi_xl_fc="mpixlf95 mpixlf95_r mpixlf90 mpixlf90_r mpixlf2003 mpixlf2003_r" |
| 100 | + mpi_pg_fc="mpipgf95 mpipgf90" |
| 101 | + LX_QUERY_MPI_COMPILER(MPIFC, [$mpi_default_fc $mpi_intel_fc $mpi_xl_fc $mpi_pg_fc], F) |
| 102 | + fi |
| 103 | + ]) |
| 104 | +]) |
| 105 | + |
| 106 | + |
| 107 | +# |
| 108 | +# LX_QUERY_MPI_COMPILER([compiler-var-name], [compiler-names], [output-var-prefix]) |
| 109 | +# ------------------------------------------------------------------------ |
| 110 | +# AC_SUBST variables: |
| 111 | +# MPI_<prefix>FLAGS Includes and defines for MPI compilation |
| 112 | +# MPI_<prefix>LDFLAGS Libraries and library paths for linking MPI C programs |
| 113 | +# |
| 114 | +# Shell variables output by this macro: |
| 115 | +# found_mpi_flags 'yes' if we were able to get flags, 'no' otherwise |
| 116 | +# |
| 117 | +AC_DEFUN([LX_QUERY_MPI_COMPILER], |
| 118 | +[ |
| 119 | + # Try to find a working MPI compiler from the supplied names |
| 120 | + AC_PATH_PROGS($1, [$2], [not-found]) |
| 121 | +
|
| 122 | + # Figure out what the compiler responds to to get it to show us the compile |
| 123 | + # and link lines. After this part of the macro, we'll have a valid |
| 124 | + # lx_mpi_command_line |
| 125 | + echo -n "Checking whether $$1 responds to '-showme:compile'... " |
| 126 | + lx_mpi_compile_line=`$$1 -showme:compile 2>/dev/null` |
| 127 | + if [[ "$?" -eq 0 ]]; then |
| 128 | + echo yes |
| 129 | + lx_mpi_link_line=`$$1 -showme:link 2>/dev/null` |
| 130 | + else |
| 131 | + echo no |
| 132 | + echo -n "Checking whether $$1 responds to '-showme'... " |
| 133 | + lx_mpi_command_line=`$$1 -showme 2>/dev/null` |
| 134 | + if [[ "$?" -ne 0 ]]; then |
| 135 | + echo no |
| 136 | + echo -n "Checking whether $$1 responds to '-compile-info'... " |
| 137 | + lx_mpi_compile_line=`$$1 -compile-info 2>/dev/null` |
| 138 | + if [[ "$?" -eq 0 ]]; then |
| 139 | + echo yes |
| 140 | + lx_mpi_link_line=`$$1 -link-info 2>/dev/null` |
| 141 | + else |
| 142 | + echo no |
| 143 | + echo -n "Checking whether $$1 responds to '-show'... " |
| 144 | + lx_mpi_command_line=`$$1 -show 2>/dev/null` |
| 145 | + if [[ "$?" -eq 0 ]]; then |
| 146 | + echo yes |
| 147 | + else |
| 148 | + echo no |
| 149 | + fi |
| 150 | + fi |
| 151 | + else |
| 152 | + echo yes |
| 153 | + fi |
| 154 | + fi |
| 155 | +
|
| 156 | + if [[ ! -z "$lx_mpi_compile_line" -a ! -z "$lx_mpi_link_line" ]]; then |
| 157 | + lx_mpi_command_line="$lx_mpi_compile_line $lx_mpi_link_line" |
| 158 | + fi |
| 159 | +
|
| 160 | + if [[ ! -z "$lx_mpi_command_line" ]]; then |
| 161 | + # Now extract the different parts of the MPI command line. Do these separately in case we need to |
| 162 | + # parse them all out in future versions of this macro. |
| 163 | + lx_mpi_defines=` echo "$lx_mpi_command_line" | grep -o -- '\(^\| \)-D\([[^\"[:space:]]]\+\|\"[[^\"[:space:]]]\+\"\)'` |
| 164 | + lx_mpi_includes=` echo "$lx_mpi_command_line" | grep -o -- '\(^\| \)-I\([[^\"[:space:]]]\+\|\"[[^\"[:space:]]]\+\"\)'` |
| 165 | + lx_mpi_link_paths=` echo "$lx_mpi_command_line" | grep -o -- '\(^\| \)-L\([[^\"[:space:]]]\+\|\"[[^\"[:space:]]]\+\"\)'` |
| 166 | + lx_mpi_libs=` echo "$lx_mpi_command_line" | grep -o -- '\(^\| \)-l\([[^\"[:space:]]]\+\|\"[[^\"[:space:]]]\+\"\)'` |
| 167 | + lx_mpi_link_args=` echo "$lx_mpi_command_line" | grep -o -- '\(^\| \)-Wl,\([[^\"[:space:]]]\+\|\"[[^\"[:space:]]]\+\"\)'` |
| 168 | +
|
| 169 | + # Create variables and clean up newlines and multiple spaces |
| 170 | + MPI_$3FLAGS="$lx_mpi_defines $lx_mpi_includes" |
| 171 | + MPI_$3LDFLAGS="$lx_mpi_link_paths $lx_mpi_libs $lx_mpi_link_args" |
| 172 | + MPI_$3FLAGS=` echo "$MPI_$3FLAGS" | tr '\n' ' ' | sed 's/^[[ \t]]*//;s/[[ \t]]*$//' | sed 's/ +/ /g'` |
| 173 | + MPI_$3LDFLAGS=`echo "$MPI_$3LDFLAGS" | tr '\n' ' ' | sed 's/^[[ \t]]*//;s/[[ \t]]*$//' | sed 's/ +/ /g'` |
| 174 | +
|
| 175 | + OLD_CPPFLAGS=$CPPFLAGS |
| 176 | + OLD_LIBS=$LIBS |
| 177 | + CPPFLAGS=$MPI_$3FLAGS |
| 178 | + LIBS=$MPI_$3LDFLAGS |
| 179 | +
|
| 180 | + AC_TRY_LINK([#include <mpi.h>], |
| 181 | + [int rank, size; |
| 182 | + MPI_Comm_rank(MPI_COMM_WORLD, &rank); |
| 183 | + MPI_Comm_size(MPI_COMM_WORLD, &size);], |
| 184 | + [# Add a define for testing at compile time. |
| 185 | + AC_DEFINE([HAVE_MPI], [1], [Define to 1 if you have MPI libs and headers.]) |
| 186 | + have_$3_mpi='yes'], |
| 187 | + [# zero out mpi flags so we don't link against the faulty library. |
| 188 | + MPI_$3FLAGS="" |
| 189 | + MPI_$3LDFLAGS="" |
| 190 | + have_$3_mpi='no']) |
| 191 | +
|
| 192 | + # AC_SUBST everything. |
| 193 | + AC_SUBST($1) |
| 194 | + AC_SUBST(MPI_$3FLAGS) |
| 195 | + AC_SUBST(MPI_$3LDFLAGS) |
| 196 | +
|
| 197 | + LIBS=$OLD_LIBS |
| 198 | + CPPFLAGS=$OLD_CPPFLAGS |
| 199 | + else |
| 200 | + echo Unable to find suitable MPI Compiler. Try setting $1. |
| 201 | + have_$3_mpi='no' |
| 202 | + fi |
| 203 | +]) |
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