#!/bin/sh
# multipackage configure script
if test "x$1" = "x--help" -o "x$1" = "x-help"; then
cat << __EOF
configure:
General:
  --prefix=/where/to/install [default is here]
  --with-boost=/boost/include
MPI Support (or not):
  --with-mpi=no
  --with-mpi=/where/is/root/of/mpi/installation
	which must then contain bin/mpiCC and include/mpi.h. Alternatively:
  --with-mpi-cxx=/where/is/mpiCC
  --with-mpi-inc='-I/where/is/mpi.h'

If configure dies trying to make subdir 'neo/',
try setting environment var MAKE to point at a
gnu make.
__EOF
  exit 0
fi

/bin/rm -f config.status
cat << __EOF > config.status
# 
# configure run as
# ./configure $*
#
__EOF

/bin/rm -f reconfigure
cat << __EOF > reconfigure
#!/bin/sh
`pwd`/configure $*
__EOF
chmod a+x reconfigure

BUILD_ROOT=`pwd`
cat Makefile.in |sed -e "s%@BUILD_ROOT@%$BUILD_ROOT%g" > Makefile

defprefix=$BUILD_ROOT
pkgs="neo eg-neo test"

# this is how it would be if all were components
if test "x" = "y" ; then
  for p in $pkgs ; do
    echo "Configuring $p"
    (cd $p; echo `pwd` $*)
  done
fi

# but alas, neo is the framework interface and has to
# be installed as well before components configure right.
# so we cheat and do also a local pre-install in addition to the
# prefix specified one.
for a in "$MAKE" make gmake gnumake ; do
	if test -z "$a" ; then continue ; fi ;
	if  ( sh -c "$a --version" 2> /dev/null | grep GNU  2>&1 > /dev/null ) ; then
		gnu_make_command=$a ;
		break;
	fi
done
# If there was a GNU version, then set ifGNUmake to the empty string, '#' otherwise
if test "x$gnu_make_command" != "x"  ; then
	ifGNUmake='' ;
else
	ifGNUmake='#' ;
fi

MAKE=$gnu_make_command
if test "x$ifGNUmake" = "x#" ; then
	MAKE=make
fi

# at least for autoconf 2.13,  the last prefix flag seen wins,
# so if the user specifies a prefix, it will override defprefix
(cd neo; ./configure --prefix=$defprefix $*)
# install headers and scripts only. no compiles.
# this could fail if prefix is not writable.
(cd neo; $MAKE install-files)
(cd eg-neo; ./configure --prefix=$defprefix $*)
(cd test; ./configure --prefix=$defprefix $*)

exit 0