Re: [PATCH] iso target for Makefile

[Ivan Jager]

On Fri, 11 Feb 2005, Alfred M. Szmidt wrote:

>   This patch adds a target to the Makefile so that you can just type
>   make iso, and get a bootable iso image that you can run in qemu.
>
> Wonderful! But isn't a ISO image a bit overkill when ext2fs (or
> whatever) is better suited for this kind of stuff?

Well, the only way I know to copy stuff into an ext2 image is to mount it 
first, which requires root on anything other than the Hurd.

> Or in other words, would it be possible to generalise your target to
> provide both?

I suppose it wouldn't be too hard to make it copy stuff to a FAT floppy 
image with mtools.

>   Sorry, but I don't know how to use automake magic to check for
>   stage2_eltorito or mkisofs...
>
> That should be in autoconf, not automake.  Checking for mkisofs is
> dead easy (AC_CHECK_PROG, see the autoconf manual), for stage2_FOO
> you'd have to do some tricks which I'm not sure of what they are
> really.  Something like trying if {/usr,/}share/grub/$ARCH/stage2_FOO
> --where FOO is the file system that one can build images for--exists
> might work.

Hmm, but configure should just decide not to provide the iso target if it 
can't find mkisofs... You should still be able to do everything else.

Ivan