Commit bfde602f authored by Giovanni La Mura's avatar Giovanni La Mura
Browse files

Enable optional MPI compilation

parent 625c8b9d

build/configure.ac

+91 −2
Original line number Diff line number Diff line
@@ -33,8 +33,95 @@ AM_INIT_AUTOMAKE([-Wall -Werror foreign]) 


# Compiler detection

AM_PROG_AR

AC_PROG_F77([mpif90 gfortran f77])

AC_PROG_CXX([mpicxx g++ clang])

AC_ARG_ENABLE(

	[mpi],

	[AS_HELP_STRING([--enable-mpi], [use MPI if available (default is yes)])],

	[

		if test "x$enableval" = "xno"; then

		  if test "x$F77" = "xmpif90"; then

		    gfortran --version > /dev/null

		    if test "x$?" = "x0"; then

		      export F77=gfortran

		    fi

		  fi

		  if test "x$F77" = "xmpif90"; then

		    f77 --version > /dev/null

		    if test "x$?" = "x0"; then

		      export F77=f77

		    fi

		  fi

		  if test "x$CXX" = "xmpicxx"; then

		    g++ --version > /dev/null

		    if test "x$?" = "x0"; then

		      export CXX=g++

		    fi

		  fi

		  if test "x$CXX" = "xmpicxx"; then

		    clang --version > /dev/null

		    if test "x$?" = "x0"; then

		      export CXX=clang

		    fi

		  fi

		  if test "x$F77" = "x"; then

		    gfortran --version > /dev/null

		    if test "x$?" = "x0"; then

		      export F77=gfortran

		    fi

		  fi

		  if test "x$F77" = "x"; then

		    f77 --version > /dev/null

		    if test "x$?" = "x0"; then

		      export F77=f77

		    fi

		  fi

		  if test "x$CXX" = "x"; then

		    g++ --version > /dev/null

		    if test "x$?" = "x0"; then

		      export CXX=g++

		    fi

		  fi

		  if test "x$CXX" = "x"; then

		    clang --version > /dev/null

		    if test "x$?" = "x0"; then

		      export CXX=clang

		    fi

		  fi

		else

		  mpicxx --version > /dev/null

		  if test "x$?" = "x0"; then

		    export CXX=mpicxx

		    export F77=mpif90

		  else

		    AC_MSG_ERROR(["MPI was enabled, but no MPI compiler was found!"])

		  fi

		fi

	],

	[

		if test "x$CXX" = "x"; then

		  mpicxx --version > /dev/null

		  if test "x$?" = "x0"; then

		    export CXX=mpicxx

		    export F77=mpif90

		  fi

		fi

		if test "x$CXX" = "x"; then

		  g++ --version > /dev/null

		  if test "x$?" = "x0"; then

		    export CXX=g++

		  fi

		fi

		if test "x$CXX" = "x"; then

		  clang --version > /dev/null

		  if test "x$?" = "x0"; then

		    export CXX=clang

		  fi

		fi

	]

)

AC_SUBST([CXX])

AC_PROG_CXX(CXX)

AC_SUBST([F77])

AC_PROG_F77([$F77 mpif90 gfortran f77])



# Libtool initialization

LT_INIT
@@ -70,6 +157,8 @@ AS_IF( 
)

AC_SUBST([HDF5_LDFLAGS])



# Configure the optional features



# Send output to Makefiles

AC_CONFIG_FILES([Makefile])