https://developer.mozilla.org/en/Simple_Thunderbird_build
http://code.google.com/p/tenfourfox/wiki/HowToBuildNow
Same as TenFourFox build requirement
hg clone http://hg.mozilla.org/releases/comm-esr10/
or
hg clone http://hg.mozilla.org/releases/comm-release/
python client.py checkout
cd mozilla hg import TENFOURFOX_CHANGEST_SERIALY cd ..
hg import TENFOURBIRD_CHANGESET
cp mozilla/G*.mozconfig
Remove line in .mozconfig
. $topsrcdir/browser/config/mozconfig
Edit line in .mozconfig
mk_add_options MOZ_OBJDIR=@TOPSRCDIR@/obj-ff-dbg
Add lines to .mozconfig
ac_add_options --enable-application=mail ac_add_options --enable-calendar ac_add_options --enable-crypto
make -f client.mk
...