configure.win

#!/usr/bin/env ash
# vim:ft=sh:fdm=marker:

# Searches for the MPI installations in the common places an produces the
# Makevars.win from the Makevars.in file.

# Dependencies                                                           {{{1
echo -n "checking sed... "
if type sed >/dev/null 2>&1 ; then
  echo "yes"
else
  echo "no"
  echo "Please install Rtools and make sure it's in the PATH." >&2
  exit 1
fi

# Parse arguments                                                        {{{1
while test -n "$1" ; do
  case "$1" in
    --with-mpi-include-path) MPI_INCLUDE="$2"; shift ;;
    --with-mpi-lib-path)     MPI_LIB="$2";     shift ;;
    --with-mpi-type)         MPI_TYPE="$2";    shift ;;
    --with-mpi-root)
      MPI_ROOT="$2"
      MPI_INCLUDE="$MPI_ROOT/include"
      MPI_LIB="$MPI_ROOT/lib"
      shift ;;
  esac
  shift
done

# Search in the usual install paths                                      {{{1
if test -z "$MPI_INCLUDE" || -z "$MPI_LIB" ; then
  echo "Trying to find mpi root directory ..."
  #for d in "$PROGRAMFILES" "$ProgramW6432" ; do
  for d in "C:/Progra~1" "C:/Progra~2" ; do
    if test -f "$d/MPICH2/include/mpi.h" \
      && test -f "$d/MPICH2/lib/libmpi.a" ; then
      MPI_ROOT="$d/MPICH2"
      MPI_INCLUDE="$MPI_ROOT/include"
      MPI_LIB="$MPI_ROOT/lib"
      MPI_TYPE="MPICH2"
      echo "I am here $MPI_ROOT and it is $MPI_TYPE"
      break
    elif test -f "$d/OpenMPI/include/mpi.h" \
      && test -f "$d/OpenMPI/bin/libmpi.dll" ; then
      MPI_ROOT="$d/OpenMPI"
      MPI_INCLUDE="$MPI_ROOT/include"
      MPI_LIB="$MPI_ROOT/bin"
      MPI_TYPE="OPENMPI"
      echo "I am here $MPI_ROOT and it is $MPI_TYPE"
      break
    fi
  done
fi # }}}1

if test "$MPI_TYPE" = "OPENMPI" -o "$MPI_TYPE" = "MPICH2"; then
  MPI_DEFS="-DMPI2"
fi

PKG_CPPFLAGS="-I${MPI_INCLUDE} ${MPI_DEFS} -D${MPI_TYPE}"

case "$MPI_TYPE" in
  OPENMPI) PKG_LIBS="-L${MPI_LIB} -lmpi_cxx -lmpi" ;;
  MPICH2)  PKG_LIBS="-L${MPI_LIB} -lmpi" ;;
  *) echo "No MPI Installation found. Compiling without MPI support." >&2 ;;
esac

PKG_SOURCES="$(cat src/sources.list)"

# Take care that variables do not contain '\' backslashes or '#' hashes!
sed "
s#@PKG_SOURCES@#$PKG_SOURCES#;
s#@OPENMP_CFLAGS@##;
s#@PKG_LIBS@#$PKG_LIBS#;
s#@PKG_CPPFLAGS@#$PKG_CPPFLAGS#" \
src/Makevars.in >src/Makevars.win