#!/bin/bash
# -*- mode: shell-script; coding: UTF-8 -*-
# 
# Build Xvnc with Xorg 7.4
#

set -e

if [ "$PREFIX" = "" ]; then
	PREFIX=`pwd`/xorg.build
fi
export ACLOCAL="aclocal -I ${PREFIX}/share/aclocal"
export PKG_CONFIG_PATH="${PREFIX}/lib/pkgconfig"
MAKE="make"
CFGFLAGS=

modules="dri2proto \
    libpthread-stubs \
    glproto \
    xf86vidmodeproto \
    xextproto \
    xproto \
    kbproto \
    inputproto \
    xcmiscproto \
    bigreqsproto \
    fixesproto \
    damageproto \
    xf86driproto \
    randrproto \
    renderproto \
    scrnsaverproto \
    resourceproto \
    fontsproto \
    videoproto \
    compositeproto \
    xineramaproto \
    fontcacheproto \
    libdrm \
    libXau \
    xtrans \
    libXdmcp \
    libX11 \
    libXext \
    libXxf86vm \
    libICE \
    libSM \
    libXt \
    libXmu \
    libXfixes \
    libXdamage \
    libXi \
    evieext \
    libxkbfile \
    libfontenc \
    libXfont \
    libpciaccess \
    xkbcomp \
    pixman"


init()
{
    mkdir -p xorg
    update_modules

    pushd xorg
    tar jxf util-macros.tar.bz2
    pushd util-macros-*
    echo "Building macros"
    ./configure ${1+"$@"} --prefix=${PREFIX}
    ($MAKE);
    make install
    popd
    popd

    pushd xserver
    patch -p1 < ../xserver15.patch
    popd

    autoreconf -fiv
}


update_modules()
{
    pushd xorg
    ../download-xorg
    for module in ${modules}; do
        tar jxf ${module}.tar.bz2
    done
    tar jxf Mesa.tar.bz2
    tar jxf xorg-server.tar.bz2
    cp -r xorg-server-1.*/* ../xserver
    popd
}


build ()
{

    # Build VNC
    echo "*** Building VNC ***"
    make distclean || true
    ./configure ${1+"$@"} --prefix=${PREFIX}
    make

    # Build Xorg
    echo "*** Building Xorg ***"
    pushd xorg
    for module in ${modules}; do
        extraoptions=""
        cd ${module}-*
        echo ======================
        echo configuring ${module}
        echo ======================
        if [ "${module}" = "libX11" ]; then
            extraoptions="${extraoptions} --without-xcb"
        fi
        if [ "${module}" = "libSM" ]; then
            extraoptions="${extraoptions} --without-libuuid"
        fi
        ./configure ${1+"$@"} --prefix="${PREFIX}" ${extraoptions}
        echo ======================
        echo building ${module}
        echo ======================
        if [ $? -ne 0 ]; then
                echo "Failed to configure ${module}."
                exit
        fi
        ($MAKE);
        make install
        cd ..
    done

    # build mesa
    echo "*** Building Mesa ***"
    pushd Mesa-*
    ./configure ${1+"$@"} --prefix=${PREFIX} --with-driver=dri --disable-glut --without-demos
    if [ $? -ne 0 ]; then
	echo "Failed to configure Mesa."
	exit
    fi
    ($MAKE)
    make install
    popd

    popd

    # build xserver
    echo "*** Building xserver ***"
    cd xserver
    autoreconf -fiv
    ./configure ${1+"$@"} --prefix=${PREFIX} --disable-xinerama --disable-xvfb --disable-xnest --disable-xorg
    if [ $? -ne 0 ]; then
	echo "Failed to configure X server."
	exit
    fi
    ($MAKE)
    make install
    cd ..
}

case "$1" in
    init)
	shift
	init ${1+"$@"}
	;;
    build)
	shift
	build ${1+"$@"}
	;;
    update)
	update_modules
	;;
    *)
	echo "Usage: $0 init | build | update [additional configure flags]"
	exit 3
esac