echo "dev-libs/nss" >> /etc/portage/package.keywords
echo "dev-libs/nss utils" >> /etc/portage/package.use
emerge dev-libs/nss

Heartbeat/Corosync/OpenAIS/Pacemaker
export PREFIX=/usr/local
export LCRSODIR=$PREFIX/libexec/lcrso 
export STACKS_SUPPORTED="--with-ais --without-heartbeat"

Heartbeat:
archive at http://hg.linux-ha.org/dev/archive/tip.tar.bz2
./ConfigureMe bootstrap --prefix=$PREFIX
make
make install

Corosync (>=1.0.0, only needed if using OpenAIS >= 1.0.0) :
Get the latest corosync from SVN or pacemaker won't compile
svn checkout http://svn.fedorahosted.org/svn/corosync/trunk corosync
./autogen.sh --prefix=$PREFIX
./configure --prefix=$PREFIX --with-lcrso-dir=$LCRSODIR
make
make install
#cp init/generic /etc/init.d/corosync

ln -s /usr/local/etc/corosync /etc/corosync
echo "PKG_CONFIG_PATH=/usr/local/lib/pkgconfig" >> /etc/env.d/05pkg-config
env-update
source /etc/profile


#OpenAIS (< 1.0.0) :
#make PREFIX=$PREFIX LCRSODIR=$LCRSODIR
#make install PREFIX=$PREFIX LCRSODIR=$LCRSODIR STATICLIBS=NO 

OpenAIS (>=1.0.0) :
svn checkout http://svn.fedorahosted.org/svn/openais/trunk openais
./autogen.sh --prefix=$PREFIX
./configure --prefix=$PREFIX --with-lcrso-dir=$LCRSODIR
make
make install
cp init/generic /etc/init.d/openais
edit /etc/init.d/openais
	between lines 50 and 51 (before prog is executed), add a line:
	export COROSYNC_DEFAULT_CONFIG_IFACE="openaisserviceenable:openaisparser"

add 21openais file to /etc/env.d: 
echo "LDPATH=\"/usr/local/lib/openais\"" >> /etc/env.d/21openais

env-update
source /etc/profile

Pacemaker :
wget http://hg.clusterlabs.org/pacemaker/stable-1.0/archive/tip.tar.bz2
./ConfigureMe bootstrap --prefix=$PREFIX --with-lcrso-dir=$LCRSODIR $STACKS_SUPPORTED
make
make install

LibLogThread from Cluster:
wget https://fedorahosted.org/releases/c/l/cluster/cluster-3.0.0.tar.gz
#./configure --openaisincdir=/usr/local/include --openaislibdir=/usr/local/lib/openais --enable_pacemaker
./configure --openaisincdir=/usr/local/include --openaislibdir=/usr/local/lib/openais --corosyncincdir=/usr/local/include --corosynclibdir=/usr/local/lib/corosync --enable_pacemaker
cd common/liblogthread
make
make install

DLM and friends: (after openais) :
Download from http://sources.redhat.com/cluster/wiki/
download the latest DLM from GIT
./autogen.sh --prefix=/usr/local
If the command does not work, you may need to modify configure.ac
	change AC_PREREQ([[2.63b]) to be AC_PREREQ([2.63])
	comment out LT_PREREQ and LT_INIT
./configure --prefix=/usr/local --enable-pacemaker --disable-cman
change line 68 of group/dlm_controld/pacemaker.c to be:
	log_error("Connection to our AIS plugin (%d) failed", PCMK_SERVICE_ID);
make
make install

Setup LSB init scripts
mkdir -p /lib/lsb
cp init-functions  /lib/lsb/
cp rc.status /lib/lsb

ocfs2-tools 1.4.2+
./autogen.sh --prefix=/usr/local
in Config.make
	add -lpthread to COM_ERR_LIBS
modify ./ocfs2_controld/Makefile
	set line:
		PCMK_INCLUDES = -I/usr/local/include/pacemaker -I/usr/local/include/heartbeat -I/usr/include/libxml2 $(GLIB_CFLAGS)
modify ocfs2_controld/pacemaker.c:
	set line 158:
		 log_error("Connection to our AIS plugin (%d) failed", PCMK_SERVICE_ID);
make
make install
cd vendor/common
#cp o2cb.init /etc/init.d/o2cb
#cp ocfs2.init /etc/init.d/ocfs2
cp 51-ocfs2.rules /etc/udev/rules.d/

mkdir -p /usr/lib/ocf/resource.d/ocfs2
cp o2cb.ocf /usr/lib/ocf/resource.d/ocfs2/o2cb/

#copy http://oss.oracle.com/pipermail/ocfs2-devel/attachments/20081118/9c3e6005/attachment.obj
#	to /usr/lib/ocf/resource.d/ocfs2/o2cb

#modify /usr/lib/ocf/resource.d/ocfs2/o2cb to point to the correct location of ocfs2_controld.pcmk
#	DAEMON="/sbin/ocfs2_controld.${OCF_RESKEY_stack}"

#chmod a+x /usr/lib/ocf/resource.d/ocfs2/o2cb

Note: The XML for the o2cb resource in pacemaker would be:
	         <primitive id="o2cb-pcmk" class="ocf" type="o2cb" provider="ocfs2"/>


STONITH device scripts are found in:
/usr/local/lib/stonith/plugins/external