README: Some docs on building

gnomeos/README

@@ -54,3 +54,29 @@ run autogen.sh.  However there are two challenges:
    maintain our own git repositories.
 
 
+
+building
+--------
+
+srcdir=/src
+builddir=/src/build
+
+cd $srcdir
+git clone gnome:ostree
+git clone git://github.com/cgwalters/poky.git
+cd $builddir
+. $srcdir/poky/oe-init-build-env gnomeos-build
+bitbake ostree-native
+bitbake gnomeos-contents-{runtime,devel}
+
+# Now create a file ~/.config/ostbuild.cfg
+# example contents:
+# repo=/src/build/gnomeos-build/build/repo
+# mirrordir=/src/build/ostbuild/src
+# workdir=/src/build/ostbuild/work
+# manifest=/src/ostree/gnomeos/3.4/manifest.json
+
+ostbuild resolve
+
+
+