Im trying to build unity from source,when i run
Code:
cmake .. -DCMAKE_INSTALL_PREFIX=/opt/unity
i get

Code:
WARNING:
"FindCompiz.cmake" file not found in cmake module directories.
It should be installed to allow building of external compiz packages.
Call "sudo make findcompiz_install" to install it.
the instructions are as follows

Code:
• Build Compiz GLib
  
  This is taken from http://wiki.ubuntu.com/Unity/InstallationGuideFromSource and
  was originally authored by Sam:

  core:

    git clone git://git.compiz.org/users/dbo/compiz-with-glib-mainloop
    cd compiz-with-glib-mainloop
    mkdir build
    cd build
    cmake .. -DCMAKE_INSTALL_PREFIX=/opt/unity  #this is the instruction im currently trying to follow
    make
    sudo make findcompiz_install
    sudo make install

  exporting paths:

    export PKG_CONFIG_PATH=/opt/unity/lib/pkgconfig:${PKG_CONFIG_PATH}
    export LD_LIBRARY_PATH=/opt/unity/lib:${LD_LIBRARY_PATH}
    export LD_RUN_PATH=/opt/unity/lib:${LD_RUN_PATH}

  libcompizconfig:

    git clone git://git.compiz.org/compiz/compizconfig/libcompizconfig
    cd libcompizconfig
    mkdir build
    cd build
    cmake .. -DCMAKE_INSTALL_PREFIX=/opt/unity
    make
    sudo make install

  compizconfig-python:

    git clone git://git.compiz.org/compiz/compizconfig/compizconfig-python
    cd compizconfig-python
    python setup.py install --prefix=/opt/unity

  ccsm:

    git clone git://git.compiz.org/compiz/compizconfig/ccsm
    cd ccsm
    python setup.py install --prefix=/opt/unity

  plugins-main:

    git clone git://git.compiz.org/compiz/plugins-main
    cd plugins-main
    git submodule init
    git pull origin master
    git submodule update
    mkdir build
    cd build
    cmake .. -DCMAKE_INSTALL_PREFIX=/opt/unity
    make
    sudo make install

  plugins-extra:

    git clone git://git.compiz.org/compiz/plugins-extra
    cd plugins-extra
    git submodule init
    git pull origin master
    git submodule update
    mkdir build
    cd build
    cmake .. -DCMAKE_INSTALL_PREFIX=/opt/unity
    make
    sudo make install


• Build Nux

  bzr branch lp:nux
  cd nux
  ./autogen.sh --disable-documentation --prefix=/opt/unity
  make
  sudo make install


• Build Unity

  bzr branch lp:unity
  cd unity
  mkdir build; cd build
  cmake .. -DCMAKE_BUILD_TYPE=Debug -DCOMPIZ_PLUGIN_INSTALL_TYPE=package -DCMAKE_INSTALL_PREFIX=/opt/unity
  make
  sudo make install