==Compile 1.9
```
lang=bash
sudo -i
apt install mercurial \
build-essential \
libc6-dev \
libpthread-stubs0-dev \
libpthread-workqueue-dev \
nvidia-cg-toolkit \
zlib1g-dev \
zlibc \
libfreeimage3 \
libfreeimage-dev \
libpoco-dev \
libtbb-dev \
libgl1 \
libopenimageio-dev \
libtinyxml-dev
hg clone https://bitbucket.org/sinbad/ogre
cd ogre
hg pull && hg update v1-9-0
curl https://gitweb.gentoo.org/repo/gentoo.git/plain/dev-games/ogre/files/ogre-1.9.0-gcc52.patch | patch -p1
mkdir build
cd build
cmake ../
make -j4
make install
```