#!/bin/bash
#
# Kamil Kaminski
# revision 9
#

echo -e "X.Org utility script\n"

# compiler flags
export CFLAGS="-march=native -mtune=native -O2 -fomit-frame-pointer"
export CXXFLAGS="-march=native -mtune=native -O2 -fomit-frame-pointer"

#export CPATH="/usr/local/include"
#export ACLOCAL="aclocal -I /usr/local/share/aclocal"
#export PREFIX=/usr/local
#export PKG_CONFIG_PATH="/usr/local/lib/pkgconfig:/usr/local/share/pkgconfig"

#export CPATH="/opt/gfx-test/include"
export ACLOCAL="aclocal -I /opt/gfx-test/share/aclocal"
export PKG_CONFIG_PATH="/opt/gfx-test/lib/pkgconfig:/opt/gfx-test/share/pkgconfig"
export PREFIX="/opt/gfx-test"

PATH=$PATH:$PREFIX/bin
MAKE="make -j2"

# list of repositories
REPOS="\
git://anongit.freedesktop.org/git/xorg/util/makedepend \
git://anongit.freedesktop.org/git/cairo \
git://anongit.freedesktop.org/git/mesa/drm \
git://anongit.freedesktop.org/git/mesa/mesa \
git://anongit.freedesktop.org/git/nouveau/xf86-video-nouveau \
git://anongit.freedesktop.org/git/pixman \
git://anongit.freedesktop.org/git/xcb/libxcb \
git://anongit.freedesktop.org/git/xcb/proto \
git://anongit.freedesktop.org/git/xcb/pthread-stubs \
git://anongit.freedesktop.org/git/xkeyboard-config \
git://anongit.freedesktop.org/git/xorg/app/xkbcomp \
git://anongit.freedesktop.org/git/xorg/driver/xf86-input-evdev \
git://anongit.freedesktop.org/git/xorg/driver/xf86-input-keyboard \
git://anongit.freedesktop.org/git/xorg/driver/xf86-input-mouse \
git://anongit.freedesktop.org/git/xorg/driver/xf86-video-fbdev \
git://anongit.freedesktop.org/git/xorg/driver/xf86-video-intel \
git://anongit.freedesktop.org/git/xorg/driver/xf86-video-nv \
git://anongit.freedesktop.org/git/xorg/driver/xf86-video-vesa \
git://anongit.freedesktop.org/git/xorg/font/misc-misc \
git://anongit.freedesktop.org/git/xorg/lib/libX11 \
git://anongit.freedesktop.org/git/xorg/lib/libXdamage \
git://anongit.freedesktop.org/git/xorg/lib/libXext \
git://anongit.freedesktop.org/git/xorg/lib/libXfixes \
git://anongit.freedesktop.org/git/xorg/lib/libXfont \
git://anongit.freedesktop.org/git/xorg/lib/libXinerama \
git://anongit.freedesktop.org/git/xorg/lib/libXrandr \
git://anongit.freedesktop.org/git/xorg/lib/libXv \
git://anongit.freedesktop.org/git/xorg/lib/libXvMC \
git://anongit.freedesktop.org/git/xorg/lib/libXxf86vm \
git://anongit.freedesktop.org/git/xorg/lib/libfontenc \
git://anongit.freedesktop.org/git/xorg/lib/libpciaccess \
git://anongit.freedesktop.org/git/xorg/lib/libxkbfile \
git://anongit.freedesktop.org/git/xorg/lib/libxtrans \
git://anongit.freedesktop.org/git/xorg/proto/bigreqsproto \
git://anongit.freedesktop.org/git/xorg/proto/compositeproto \
git://anongit.freedesktop.org/git/xorg/proto/damageproto \
git://anongit.freedesktop.org/git/xorg/proto/dri2proto \
git://anongit.freedesktop.org/git/xorg/proto/evieproto \
git://anongit.freedesktop.org/git/xorg/proto/fixesproto \
git://anongit.freedesktop.org/git/xorg/proto/fontsproto \
git://anongit.freedesktop.org/git/xorg/proto/glproto \
git://anongit.freedesktop.org/git/xorg/proto/inputproto \
git://anongit.freedesktop.org/git/xorg/proto/kbproto \
git://anongit.freedesktop.org/git/xorg/proto/randrproto \
git://anongit.freedesktop.org/git/xorg/proto/recordproto \
git://anongit.freedesktop.org/git/xorg/proto/renderproto \
git://anongit.freedesktop.org/git/xorg/proto/resourceproto \
git://anongit.freedesktop.org/git/xorg/proto/scrnsaverproto \
git://anongit.freedesktop.org/git/xorg/proto/videoproto \
git://anongit.freedesktop.org/git/xorg/proto/x11proto \
git://anongit.freedesktop.org/git/xorg/proto/xcmiscproto \
git://anongit.freedesktop.org/git/xorg/proto/xextproto \
git://anongit.freedesktop.org/git/xorg/proto/xf86dgaproto \
git://anongit.freedesktop.org/git/xorg/proto/xf86driproto \
git://anongit.freedesktop.org/git/xorg/proto/xf86vidmodeproto \
git://anongit.freedesktop.org/git/xorg/proto/xineramaproto \
git://anongit.freedesktop.org/git/xorg/util/macros \
git://anongit.freedesktop.org/git/xorg/xserver \
git://anongit.freedesktop.org/git/mesa/demos"

# list of modules that will get compiled generically, without any extra flags
modules="\
makedepend \
bigreqsproto \
compositeproto \
damageproto \
dri2proto \
evieproto \
fixesproto \
fontsproto \
glproto \
inputproto \
kbproto \
macros \
proto \
pthread-stubs \
randrproto \
recordproto \
renderproto \
resourceproto \
scrnsaverproto \
videoproto \
x11proto \
xcmiscproto \
xextproto \
xf86dgaproto \
xf86driproto \
xf86vidmodeproto \
xineramaproto \
libXdamage \
libXext \
libXfixes \
libfontenc \
libxtrans \
libXfont \
libXinerama \
libXrandr \
libXv \
libXvMC \
libXxf86vm \
libpciaccess \
libxcb \
libxkbfile \
misc-misc \
pixman \
xkbcomp \
xkeyboard-config \
libX11"

# list of modules that may get compiled with custom flags
modules2="\
cairo \
drm \
mesa \
xf86-input-evdev \
xf86-input-keyboard \
xf86-input-mouse \
xf86-video-fbdev \
xf86-video-intel \
xf86-video-nouveau \
xf86-video-nv \
xf86-video-vesa \
xserver"

init()
{
    for repo in $REPOS; do
        REPONAME=`basename $repo`
        if [ -d $REPONAME ]; then
            echo -e "\e[00;32m$REPONAME\e[00m \e[00;33mis already initialized, skipping\e[00m"
        else
            git clone $repo            
        fi
    done
}

update_modules()
{
    for module in $modules2; do
        REPONAME=`basename $module`
        if [ ! -d $REPONAME ]; then
            echo -e "\e[00;31m$REPONAME\e[00m \e[00;33mdoes not exist, skipping\e[00m"
        else
            cd $module
            echo -n "$module: "
            git pull
            #git rebase master
            cd ..
        fi
    done

    for module in $modules; do
        REPONAME=`basename $module`
        if [ ! -d $REPONAME ]; then
            echo -e "\e[00;31m$REPONAME\e[00m \e[00;33mdoes not exist, skipping\e[00m"
        else
            cd $module
            echo -n "$module: "
            git pull
            #git rebase master
            cd ..
        fi
    done
}

build()
{
    exec 2> >(tee ../xorg.log)

    echo -e "\e[00;32mbuilding X.Org\n\e[00m"

    if [ -d $PREFIX ]; then
        echo "$PREFIX exists, removing..."
        rm -rf $PREFIX
        mkdir -p $PREFIX/share/aclocal
        mkdir -p $PREFIX/bin
    else
        mkdir -p $PREFIX/share/aclocal
        mkdir -p $PREFIX/bin
    fi

    if [ -d pthread-stubs ]; then
        cd pthread-stubs
        echo "building pthread-stubs"
        ./autogen.sh --prefix=$PREFIX
        ($MAKE)
        make install
        cd ..
    else
        echo -e "\e[00;31mpthread-stubs has not been cloned\e[00m"
    fi

    if [ -d macros ]; then
        cd macros
        echo "building macros"
        ./autogen.sh --prefix=$PREFIX
        ($MAKE)
        make install
        cd ..
    else
        echo -e "\e[00;31mmacros has not been cloned\e[00m"
    fi

    for i in $modules; do
        if [ -d $i ]; then
            cd $i
            echo ======================
            echo configuring $i
            echo ======================
            ./autogen.sh --prefix=$PREFIX
            echo ======================
            echo building $i
            echo ======================
            if [ $? -ne 0 ]; then
                echo "failed to configure $i."
                exit
            fi
            ($MAKE)
            make install
            cd ..
        else
            echo -e "\e[00;33m$i has not been cloned\e[00m"
        fi
    done
    
    if [ -d drm ]; then
        cd drm
        ./autogen.sh --prefix=$PREFIX --enable-nouveau-experimental-api
        ($MAKE)
        make install
        cd ..
    else
        echo -e "\e[00;33mdrm has not been cloned\e[00m"
    fi

    if [ -d mesa ]; then
        cd mesa
        ./autogen.sh --prefix=$PREFIX --with-dri-driverdir=$PREFIX/lib/dri \
                     --with-dri-drivers=swrast,nouveau \
                     --enable-glx-tls --enable-xcb --enable-gles1 --enable-gles2 \
                     --enable-openvg --enable-gallium-nouveau \
                     --disable-gallium-i915 --disable-gallium-i965 \
                     --disable-gallium-radeon --disable-gallium-r600 \
                     --enable-gallium-llvm
        # --disable-gallium-svga --disable-asm --enable-debug
        if [ $? -ne 0 ]; then
            echo "failed to configure Mesa."
            exit
        fi
        ($MAKE)
        make install
        #mkdir -p $PREFIX/bin
        #install -m755 progs/xdemos/{glxinfo,glxgears} $PREFIX/bin
        cd ..
    else
        echo -e "\e[00;33mmesa has not been cloned\e[00m"
    fi

    if [ -d xserver ]; then
        cd xserver
        ./autogen.sh --prefix=$PREFIX --enable-glx-tls
        if [ $? -ne 0 ]; then
            echo "failed to configure X server."
            exit
        fi
        ($MAKE)
        make install
        chown root $PREFIX/bin/Xorg
        chmod +s $PREFIX/bin/Xorg
        cd ..
    else
        echo -e "\e[00;33mxserver has not been cloned\e[00m"
    fi
    
    if [ -d cairo ]; then
        cd cairo
       ./autogen.sh --prefix=$PREFIX --enable-gl
       ($MAKE)
       make install
       cd ..
    else
        echo -e "\e[00;33mcairo has not been cloned\e[00m"
    fi

    if [ -d xf86-input-mouse ]; then
        cd xf86-input-mouse
        ./autogen.sh --prefix=$PREFIX
        ($MAKE)
        make install
        cd ..
    else
        echo -e "\e[00;33mxf86-input-mouse has not been cloned\e[00m"
    fi

    if [ -d xf86-input-keyboard ]; then
        cd xf86-input-keyboard
        ./autogen.sh --prefix=$PREFIX
        ($MAKE)
        make install
        cd ..
    else
        echo -e "\e[00;33mxf86-input-keyboard has not been cloned\e[00m"
    fi

    if [ -d xf86-video-nouveau ]; then
        cd xf86-video-nouveau
        ./autogen.sh --prefix=$PREFIX
        ($MAKE)
        make install
        cd ..
    else
        echo -e "\e[00;33mxf86-video-nouveau has not been cloned\e[00m"
    fi

    if [ -d xf86-video-nv ]; then
        cd xf86-video-nv
        ./autogen.sh --prefix=$PREFIX
        ($MAKE)
        make install
        cd ..
    else
        echo -e "\e[00;33mxf86-video-nv has not been cloned\e[00m"
    fi

    if [ -d xf86-video-vesa ]; then
        cd xf86-video-vesa
        ./autogen.sh --prefix=$PREFIX
        ($MAKE)
        make install
        cd ..
    else
        echo -e "\e[00;33mxf86-video-vesa has not been cloned\e[00m"
    fi

    if [ -d xf86-video-fbdev ]; then
        cd xf86-video-fbdev
        ./autogen.sh --prefix=$PREFIX
        ($MAKE)
        make install
        cd ..
    else
        echo -e "\e[00;33mxf86-video-fbdev has not been cloned\e[00m"
    fi

    if [ -d xf86-input-evdev ]; then
        cd xf86-input-evdev
        ./autogen.sh --prefix=$PREFIX
        ($MAKE)
        make install
        cd ..
    else
        echo -e "\e[00;33mxf86-input-evdev has not been cloned\e[00m"
    fi

    if [ -d xf86-video-intel ]; then
        cd xf86-video-intel
        ./autogen.sh --prefix=$PREFIX
        ($MAKE)
        make install
        cd ..
    else
        echo -e "\e[00;33mxf86-video-intel has not been cloned\e[00m"
    fi
}

case "$1" in
    init)
        init
        ;;
    build)
        build
        ;;
    update)
        update_modules
        ;;
    *)
        echo "usage: $0 init | build | update"
        exit 3
esac