#!/bin/sh

MAKEINFO=gmakeinfo
export MAKEINFO

mode="unknown"
case x"$1" in
    xa*)
	mode=all
	;;
    xi*)
	mode=install
	;;
    xj*)
	mode=justinstall
	;;
    xcont*)
	mode=continue
	;;
    xc*)
	mode=configure
	;;
    xr*)
	mode=rerun
	;;
esac

if [ "$mode" = "unknown" ]; then
    echo "Usage: $0 { all | install | justinstall | configure | rerun }"
    echo "configure means just run the configure script"
    echo "all means make clean, run configure, run make"
    echo "install means make install, too"
    echo "justinstall means omit the all part"
    exit 2
fi

if [ "$mode" = "all" -o "$mode" = "install" ]; then
    echo '***'
    echo make distclean
    echo '***'
    make distclean
    #autoheader || exit 3
    echo '***'
    echo autoconf
    echo '***'
    autoconf || exit 3
    #( cd lispref ; autoconf ) || exit 3
fi

case "$mode" in 
    install|continue|all)
	echo '***'
	echo ./configure
	echo '***'
	./configure --with-x \
	    --with-x-libraries=/usr/X11R6/lib \
	    --with-x-includes=/usr/X11R6/include \
	    --with-xpm --with-jpeg \
	    --with-tiff --with-gif --with-png \
	    --prefix=$HOME/sw/emacs-21.0 \
			|| exit 4
	;;
    rerun)
	echo '***'
	echo ./configure
	echo '***'
        ./configure --with-x \
            --with-x-libraries=/usr/X11R6/lib \
            --with-x-includes=/usr/X11R6/include \
            --without-xpm --without-jpeg \
            --without-tiff --without-gif --without-png \
            --prefix=$HOME/sw/emacs-21.0 \
                || exit 4
	echo '***'
	echo make
	echo '***'
        make || exit 5
        install -m 755 src/emacs $HOME/sw/emacs-21.0/bin/emacs.small
        ;;
esac

if [ "$mode" = "all" -o "$mode" = "install" ]; then
    echo '***'
    echo make bootstrap
    echo '***'
    make MAKEINFO=$MAKEINFO bootstrap || exit 5
    #( cd lispref ; make elisp ) || exit 5
    #( cd lispref ; make ) || exit 5
fi

if [ "$mode" = "continue" ]; then
    echo '***'
    echo make all
    echo '***'
    make MAKEINFO=$MAKEINFO all || exit 5
    #( cd lispref ; make elisp ) || exit 5
    #( cd lispref ; make ) || exit 5
fi

if [ "$mode" = "install" -o "$mode" = "justinstall" ]; then
    rm -rf $HOME/sw/emacs-21.0.SAV
    mv $HOME/sw/emacs-21.0 $HOME/sw/emacs-21.0.SAV
    #(cd lispref ; make install ) || exit 6
    echo '***'
    echo make install
    echo '***'
    make MAKEINFO=$MAKEINFO install || exit 6
    oldpwd=`pwd`
    cd $HOME/sw/emacs-21.0/share/emacs || exit 7
    mv site-lisp .hidden.site-lisp
    ln -s /usr/sw/emacs/21.2/share/emacs/site-lisp
    ln -s /usr/sw/emacs/21.2/share/emacs/site-info
    cd $HOME/sw/emacs-21.0/bin
    ln -s /usr/sw/emacs/21.2/bin/starttls
    ln -s /usr/sw/emacs/21.2/bin/ra-index
    ln -s /usr/sw/emacs/21.2/bin/ra-retrieve
    cd $oldpwd
    #( cd lispref ; make install ) || exit 7
    echo '***'
    echo make tags
    echo '***'
    make tags || exit 8
    echo '***'
    echo gnuserv
    echo '***'
    (cd ../misc/gnuserv-3.12.4 ; make install) || exit 9
fi