File: configure

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#!/bin/sh
# $Id: configure,v 1.2 2010-02-28 21:49:21 dhmunro Exp $
# configure script for mpy

curdate=`date`
cursystem=`uname -a`
fatality=0

if test -x "../relocate/bin/yorick"; then
  yorick_exe="../relocate/bin/yorick"
else
  yorick_exe="yorick"
fi
mpicc_exe="mpicc"
mpifc_exe=""
mpi_cflags=""
mpi_ldflags=""
debug="no"
for opt do
  case "$opt" in
  --debug) debug="yes"
  ;;
  --yorick=*) yorick_exe=`echo $opt | sed -e s/--yorick=//`
  ;;
  --mpicc=*) mpicc_exe=`echo $opt | sed -e s/--mpicc=//`
  ;;
  --mpifc=*) mpifc_exe=`echo $opt | sed -e s/--mpifc=//`
  ;;
  --cflags=*) mpi_cflags=`echo $opt | sed -e s/--cflags=//`
  ;;
  --ldflags=*) mpi_ldflags=`echo $opt | sed -e s/--ldflags=//`
  ;;
  *) cat <<EOF
Usage:   ./configure [options]
Options are one or more of:
  --yorick=/path/to/yorick
      set path to yorick executable (if not on your PATH)
  --mpicc=/path/to/mpicc
      set path to mpicc executable (if not on your PATH or not called mpicc)
  --cflags='cflags'
      any CFLAGS needed to compile with with mpicc
  --ldflags='ldflags'
      any LDFLAGS needed to load with with mpicc
EOF
  exit 1
  ;;
  esac
done

if test "$mpicc" = mpicc; then
  mpicc_dflt="yes"
else
  mpicc_dflt="no"
fi

rm -f cfg.* ycode.* yinit.* ywrap.*
rm -f core a.out *.o *.a *.so *.sl *.dylib *.dll *~ '#'*
rm -f mpy Makempy paths.i cfg*

mpicc_dir=""
mpicc_name=`echo $mpicc_exe | sed -e 's/[ \t].*//'`
case "$mpicc_name" in
  */*)
    if test -x "$mpicc_name" -a ! -d "$mpicc_name"; then
      mpicc_dir=`dirname "$mpicc_name"`
    fi
  ;;
  *)
    save_IFS=$IFS
    IFS=:
    for d in `echo "$PATH" | sed -e 's/^:/.:/' -e 's/::/:.:/g' -e 's/:$/:./'`
    do
      if test -x "$d/$mpicc_name" -a ! -d "$d/$mpicc_name"; then
        mpicc_dir="$d"
        mpicc_exe="$d/$mpicc_exe"
        break;
      fi
    done
    IFS=$save_IFS
  ;;
esac

found="no"
case "$yorick_exe" in
  */*)
    if test -x "$yorick_exe" -a ! -d "$yorick_exe"; then
      Y_BINDIR=`dirname "$yorick_exe"`
      found="yes"
    fi
  ;;
  *)
    save_IFS=$IFS
    IFS=:
    for d in `echo "$PATH" | sed -e 's/^:/.:/' -e 's/::/:.:/g' -e 's/:$/:./'`
    do
      if test -x "$d/$yorick_exe" -a ! -d "$d/$yorick_exe"; then
        Y_BINDIR="$d"
        yorick_exe="$d/$yorick_exe"
        found="yes"
        break;
      fi
    done
    IFS=$save_IFS
  ;;
esac

if test $found = no; then
  echo --yorick=$yorick_exe not found
  echo rerun ./configure with --yorick option or ./configure --help
  exit 1
fi

"$yorick_exe" -batch make.i

Y_HOME=`grep '^Y_MAKEDIR=' ./Makefile | sed -e 's/^Y_MAKEDIR=//'`
# try to handle escaped blanks in Y_MAKEDIR
Y_HOME=`echo $Y_HOME | sed -e 's/\\\\ / /g'`

CC=`grep '^CC=' "${Y_HOME}/Make.cfg" | sed -e 's/^CC=//'`
CFLAGS=`grep '^Y_CFLAGS=' "${Y_HOME}/Make.cfg" | sed -e 's/^Y_CFLAGS=//'`
LDFLAGS=`grep '^Y_LDFLAGS=' "${Y_HOME}/Make.cfg" | sed -e 's/^Y_LDFLAGS=//'`

echo Using ${Y_HOME}/Make.cfg
echo "  CFLAGS=$CFLAGS"
echo "  LDFLAGS=$LDFLAGS"
if test $mpicc_dflt = yes; then
  if test -n "$mpi_cflags"; then
    mpi_cflags="$CFLAGS"
  fi
  if test -n "$mpi_cflags"; then
    mpi_ldflags="$LDFLAGS"
  fi
fi

if test -z "$mpicc_dir"; then
  echo --mpicc=$mpicc_exe not found
  echo rerun ./configure with --mpicc option or ./configure --help
  exit 1
else
  echo Using --mpicc=$mpicc_exe
  echo "  MPI_CFLAGS=$mpi_cflags"
  echo "  MPI_LDFLAGS=$mpi_ldflags"
fi

cat >Makempy <<EOF
# Makempy configure results for mpy
# generated by mpy configure script on $curdate
# $cursystem

CC=$mpicc_exe
FC=$mpifc_exe
MPI_CFLAGS=$mpi_cflags
MPI_LDFLAGS=$mpi_ldflags
EOF

exit 0