#! /bin/sh

PACKAGES=`pwd`
cd ../..
GSDLHOME=`pwd`
cd $PACKAGES

GSDLOS=`uname -s |tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'`
# check for running bash under cygwin
if test "`echo $GSDLOS | sed 's/cygwin//'`" != "$GSDLOS" ;
then
 GSDLOS=windows
fi

prefix=""
bindir=""
HOSTTARGETFLAGS=""

# only some of the packages can take environment variables as options to 
# configure 
# format is VAR=value, e.g "LDFLAGS=-static"
ENVIRONMENT=""

# SQLite support enabled by default, can switch it off with --disable-sqlite
USE_SQLITE=true
# yaz compilation enabled by default, can switch it off with --disable-yaz
USE_YAZ=true
# z3950 server disabled by default, switch it on with --enable-z3950
USE_Z3950=false
# CORBA support disabled by default, switch it on with --enable-corba
USE_CORBA=false
MICO_DIR=default

# parse any arguments given from toplevel configure
while test $# -ne 0; do
    case "$1" in
	--cache-file=*)
	    cache_filename=`echo $1 | sed s/--cache-file=//`
	    # turn relative path into an absolute path
	    cache_dir=`echo $cache_filename | sed 's@/[^/]*$@@'`
	    cache_dir=`cd $cache_dir 2>/dev/null && pwd`

	    cache_basefile=`echo $cache_filename | sed 's@.*/@@'`
	    cache_file="$cache_dir/$cache_basefile"
	    if test ! -f "$cache_file"; then
		CACHE_FILE=""
	    else
		CACHE_FILE="--cache-file=$cache_file"
	    fi
	    ;;
	--disable-sqlite)
	    USE_SQLITE=false
	    ;;
	--disable-yaz)
	    USE_YAZ=false
	    ;;
	--enable-z3950)
	    USE_Z3950=true
	    ;;
	--enable-corba)
	    USE_CORBA=true
	    ;;
	--with-micodir=*)
	    if test $1 = ""; then
	      $1 = "default"
            fi
	    MICO_DIR=$1
	    ;;       
	--prefix=*)
	    prefix=`echo $1 | sed s/--prefix=//`
	    ;;
	--bindir=*)
	    # where to install binaries to
	    bindir=`echo $1 | sed s/--bindir=//`
	    # turn relative path into an absolute path
	    if test -d "$bindir" ; then
	      bindir=`cd "$bindir" ; pwd `
	      cd "$PACKAGES"
	    elif test -z `echo $bindir | sed '/^\// p;D'` ; then
	      rel_bindir="`echo $bindir | sed s@/.*@@`"
	      cd "$rel_bindir"
	      bindir="`pwd`/`echo $bindir | sed s@^[^/]*/@@`"
	      cd "$PACKAGES"
	    else
	      # bindir doesn't exist, and isn't relative
	      true
	    fi
	    ;;
	--host=* | --target=*)
	    HOSTTARGETFLAGS="$HOSTTARGETFLAGS $1"
	    ;;
	*)
	    # ignore all other options for now
	    ;;
    esac
    shift
done

# note! Our GSDL package currently always installs into it's source
# directory, ignoring any --prefix given to configure.
# When this is fixed, uncomment the relevant lines below...

##if test -z "$prefix" ; then
prefix="${GSDLHOME}"
##fi

##if test -z "$bindir" ; then
bindir="${prefix}/bin/$GSDLOS"
##fi

# This loads the top configure's cache file, with variables already set.
if test -f "$cache_file" ; then
  . $cache_file
fi

# we assume that gzip and tar are on the search path.
# non-GNU versions of tar don't take the -z option.



# configure expat (needs to be done before XML::Parser
echo ""
echo "Configuring expat"
echo ""
cd "$PACKAGES/expat"
gzip -dc expat-1.95.8.tar.gz | tar -xf -

echo CFLAGS="$CFLAGS $COMPAT32BITFLAGS" CXXFLAGS="$CXXFLAGS $COMPAT32BITFLAGS" LDFLAGS="$LDFLAGS $COMPAT32BITFLAGS" ./configure $CACHE_FILE --disable-shared --with-pic --prefix=$PACKAGES/expat --bindir="$bindir" $HOSTTARGETFLAGS $ENVIRONMENT

cd "$PACKAGES/expat/expat-1.95.8" && \
CFLAGS="$CFLAGS $COMPAT32BITFLAGS" CXXFLAGS="$CXXFLAGS $COMPAT32BITFLAGS" LDFLAGS="$LDFLAGS $COMPAT32BITFLAGS" ./configure $CACHE_FILE --disable-shared --with-pic --prefix=$PACKAGES/expat --bindir="$bindir" $HOSTTARGETFLAGS $ENVIRONMENT


# configure SQLite
echo ""
echo "Configuring SQLite"
if test x$USE_SQLITE = xtrue ; 
then
  echo ""
  cd "$PACKAGES/sqlite"
  gzip -dc sqlite-amalgamation-3.5.9.tar.gz | tar -xf -
  cd sqlite-amalgamation-3.5.9 && \
    ./configure $CACHE_FILE --prefix="$PACKAGES/sqlite" --bindir="$bindir" $HOSTTARGETFLAGS $ENVIRONMENT
else
  echo "SQLite support disabled."
  echo "  add '--enable-sqlite' to the configure command to include SQLite support."
  echo ""
fi

# configure search4j
echo ""
echo "Configuring search4j"
echo ""
cd "$PACKAGES/search4j"

echo CFLAGS="$CFLAGS $COMPAT32BITFLAGS" CXXFLAGS="$CXXFLAGS $COMPAT32BITFLAGS" LDFLAGS="$LDFLAGS $COMPAT32BITFLAGS" ./configure --bindir="$GSDLHOME/bin/$GSDLOS" $CACHE_FILE $HOSTTARGETFLAGS $ENVIRONMENT

cd "$PACKAGES/search4j" && \
 CFLAGS="$CFLAGS $COMPAT32BITFLAGS" CXXFLAGS="$CXXFLAGS $COMPAT32BITFLAGS" LDFLAGS="$LDFLAGS $COMPAT32BITFLAGS" ./configure --bindir="$GSDLHOME/bin/$GSDLOS" $CACHE_FILE $HOSTTARGETFLAGS $ENVIRONMENT