Make a note about the availability of the cccl wrapper for building
with MSVC using GNU make.
Minor tidying up of the building from source section in general.
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
Make the source code for the documentation a little easier to deal
with by breaking it into individual chapter files. Add support to
rdsrc.pl for auto-generating dependencies.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>