It is often fine to have a sparse file for the output image, so add an
-s option to generate a sparse image.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

Replace -W -Wall hardcoded into a bunch of Makefiles with $(GCCWARN),
a centralized variable defined in the root MCONFIG.  Add
-Wstrict-prototypes to the list of global warnings: we should never
have non-prototyped declarations.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

Actually implement the -offset option.  Credit for the patch goes to
"cmdr from the gparted-forum", reported by
Sven-Hendrik Haase <sh@lutzhaase.com>.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

Make sure the pxelinux-options script gets installed.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

Add help text to pxelinux-options.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

Support hardcoded DHCP options both "before" or "after" the
PXE-provided options.

Add a tool to manipulate these hardcoded options.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

Shouldn't 'isohybrid -id ID' write ID as 32bit number? Currently it ends up
as string messing up the mbr.

Unlike C, in Perl printf() doesn't return the number of bytes written.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

Automatically reformat utils/gethostip.c using Nindent.

Do this for all files except HDT, gPXE and externally maintained
libraries (zlib, tinyjpeg, libpng).

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

We are backwards compatible again, at least as long as -partok is not
used.  However, there is no minor version number, so we can't check
for that at this time.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>