Add some m4 macros
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192
etc/m4/ax_mpi.m4
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192
etc/m4/ax_mpi.m4
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# ===========================================================================
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# http://www.gnu.org/software/autoconf-archive/ax_mpi.html
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# ===========================================================================
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#
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# SYNOPSIS
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#
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# AX_MPI([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]])
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#
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# DESCRIPTION
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#
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# This macro tries to find out how to compile programs that use MPI
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# (Message Passing Interface), a standard API for parallel process
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# communication (see http://www-unix.mcs.anl.gov/mpi/)
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#
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# On success, it sets the MPICC, MPICXX, MPIF77, or MPIFC output variable
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# to the name of the MPI compiler, depending upon the current language.
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# (This may just be $CC/$CXX/$F77/$FC, but is more often something like
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# mpicc/mpiCC/mpif77/mpif90.) It also sets MPILIBS to any libraries that
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# are needed for linking MPI (e.g. -lmpi or -lfmpi, if a special
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# MPICC/MPICXX/MPIF77/MPIFC was not found).
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#
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# If you want to compile everything with MPI, you should use something
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# like this for C:
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#
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# if test -z "$CC" && test -n "$MPICC"; then
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# CC="$MPICC"
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# fi
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# AC_PROG_CC
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# AX_MPI
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# CC="$MPICC"
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# LIBS="$MPILIBS $LIBS"
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#
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# and similar for C++ (change all instances of CC to CXX), Fortran 77
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# (with F77 instead of CC) or Fortran (with FC instead of CC).
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#
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# NOTE: The above assumes that you will use $CC (or whatever) for linking
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# as well as for compiling. (This is the default for automake and most
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# Makefiles.)
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#
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# The user can force a particular library/compiler by setting the
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# MPICC/MPICXX/MPIF77/MPIFC and/or MPILIBS environment variables.
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#
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# ACTION-IF-FOUND is a list of shell commands to run if an MPI library is
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# found, and ACTION-IF-NOT-FOUND is a list of commands to run if it is not
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# found. If ACTION-IF-FOUND is not specified, the default action will
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# define HAVE_MPI.
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#
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# LICENSE
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#
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# Copyright (c) 2008 Steven G. Johnson <stevenj@alum.mit.edu>
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# Copyright (c) 2008 Julian C. Cummings <cummings@cacr.caltech.edu>
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#
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# This program is free software: you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by the
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# Free Software Foundation, either version 3 of the License, or (at your
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# option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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# Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# As a special exception, the respective Autoconf Macro's copyright owner
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# gives unlimited permission to copy, distribute and modify the configure
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# scripts that are the output of Autoconf when processing the Macro. You
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# need not follow the terms of the GNU General Public License when using
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# or distributing such scripts, even though portions of the text of the
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# Macro appear in them. The GNU General Public License (GPL) does govern
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# all other use of the material that constitutes the Autoconf Macro.
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#
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# This special exception to the GPL applies to versions of the Autoconf
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# Macro released by the Autoconf Archive. When you make and distribute a
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# modified version of the Autoconf Macro, you may extend this special
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# exception to the GPL to apply to your modified version as well.
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#serial 7
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AU_ALIAS([ACX_MPI], [AX_MPI])
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AC_DEFUN([AX_MPI], [
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AC_PREREQ([2.50]) dnl for AC_LANG_CASE
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AC_LANG_CASE([C], [
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AC_REQUIRE([AC_PROG_CC])
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AC_ARG_VAR(MPICC,[MPI C compiler command])
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AC_CHECK_PROGS(MPICC, mpicc hcc mpxlc_r mpxlc mpcc cmpicc, $CC)
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ax_mpi_save_CC="$CC"
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CC="$MPICC"
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AC_SUBST(MPICC)
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],
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[C++], [
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AC_REQUIRE([AC_PROG_CXX])
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AC_ARG_VAR(MPICXX,[MPI C++ compiler command])
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AC_CHECK_PROGS(MPICXX, mpic++ mpicxx mpiCC hcp mpxlC_r mpxlC mpCC cmpic++, $CXX)
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ax_mpi_save_CXX="$CXX"
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CXX="$MPICXX"
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AC_SUBST(MPICXX)
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],
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[Fortran 77], [
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AC_REQUIRE([AC_PROG_F77])
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AC_ARG_VAR(MPIF77,[MPI Fortran 77 compiler command])
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AC_CHECK_PROGS(MPIF77, mpif77 hf77 mpxlf_r mpxlf mpf77 cmpifc, $F77)
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ax_mpi_save_F77="$F77"
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F77="$MPIF77"
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AC_SUBST(MPIF77)
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],
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[Fortran], [
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AC_REQUIRE([AC_PROG_FC])
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AC_ARG_VAR(MPIFC,[MPI Fortran compiler command])
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AC_CHECK_PROGS(MPIFC, mpif90 mpxlf95_r mpxlf90_r mpxlf95 mpxlf90 mpf90 cmpif90c, $FC)
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ax_mpi_save_FC="$FC"
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FC="$MPIFC"
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AC_SUBST(MPIFC)
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])
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if test x = x"$MPILIBS"; then
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AC_LANG_CASE([C], [AC_CHECK_FUNC(MPI_Init, [MPILIBS=" "])],
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[C++], [AC_CHECK_FUNC(MPI_Init, [MPILIBS=" "])],
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[Fortran 77], [AC_MSG_CHECKING([for MPI_Init])
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AC_LINK_IFELSE([AC_LANG_PROGRAM([],[ call MPI_Init])],[MPILIBS=""
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AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no)])],
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[Fortran], [AC_MSG_CHECKING([for MPI_Init])
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AC_LINK_IFELSE([AC_LANG_PROGRAM([],[ call MPI_Init])],[MPILIBS=" "
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AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no)])])
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fi
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AC_LANG_CASE([Fortran 77], [
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if test x = x"$MPILIBS"; then
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AC_CHECK_LIB(fmpi, MPI_Init, [MPILIBS="-lfmpi"])
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fi
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if test x = x"$MPILIBS"; then
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AC_CHECK_LIB(fmpich, MPI_Init, [MPILIBS="-lfmpich"])
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fi
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if test x = x"$MPILIBS"; then
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AC_CHECK_LIB(mpif77, MPI_Init, [MPILIBS="-lmpif77"])
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fi
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],
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[Fortran], [
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if test x = x"$MPILIBS"; then
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AC_CHECK_LIB(fmpi, MPI_Init, [MPILIBS="-lfmpi"])
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fi
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if test x = x"$MPILIBS"; then
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AC_CHECK_LIB(mpichf90, MPI_Init, [MPILIBS="-lmpichf90"])
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fi
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])
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if test x = x"$MPILIBS"; then
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AC_CHECK_LIB(mpi, MPI_Init, [MPILIBS="-lmpi"])
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fi
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if test x = x"$MPILIBS"; then
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AC_CHECK_LIB(mpich, MPI_Init, [MPILIBS="-lmpich"])
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fi
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dnl We have to use AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],[],[]) and not AC_CHECK_HEADER because the
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dnl latter uses $CPP, not $CC (which may be mpicc).
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AC_LANG_CASE([C], [if test x != x"$MPILIBS"; then
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AC_MSG_CHECKING([for mpi.h])
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <mpi.h>]], [[]])],[AC_MSG_RESULT(yes)],[MPILIBS=""
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AC_MSG_RESULT(no)])
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fi],
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[C++], [if test x != x"$MPILIBS"; then
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AC_MSG_CHECKING([for mpi.h])
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <mpi.h>]], [[]])],[AC_MSG_RESULT(yes)],[MPILIBS=""
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AC_MSG_RESULT(no)])
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fi],
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[Fortran 77], [if test x != x"$MPILIBS"; then
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AC_MSG_CHECKING([for mpif.h])
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[ include 'mpif.h'])],[AC_MSG_RESULT(yes)], [MPILIBS=""
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AC_MSG_RESULT(no)])
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fi],
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[Fortran], [if test x != x"$MPILIBS"; then
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AC_MSG_CHECKING([for mpif.h])
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[ include 'mpif.h'])],[AC_MSG_RESULT(yes)], [MPILIBS=""
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AC_MSG_RESULT(no)])
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fi])
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AC_LANG_CASE([C], [CC="$ax_mpi_save_CC"],
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[C++], [CXX="$ax_mpi_save_CXX"],
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[Fortran 77], [F77="$ax_mpi_save_F77"],
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[Fortran], [FC="$ax_mpi_save_FC"])
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AC_SUBST(MPILIBS)
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# Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND:
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if test x = x"$MPILIBS"; then
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$2
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:
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else
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ifelse([$1],,[AC_DEFINE(HAVE_MPI,1,[Define if you have the MPI library.])],[$1])
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:
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fi
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])dnl AX_MPI
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