Han <keepsim...@gmail.com> wrote:
> I am trying to build and run some of my C programs in UML. One way I
tried is
> to build (i.e. compile) the program on the host, then run it in UML. The
> problem is that the UML rootfs I used lacks many of the /usr/lib/ shared
> libraries, hence the program failed to run.
Well, you have to install the things you need then.
> My question is: what is the best practice to build and run C programs
for UML?
> Do people normally compile the program on the host and then run it in
UML?
> Or compile the program directly in UML and then run it?
I make sure I have the same operating system and 32/64-bit-ness, and I use
hostfs, and I use "make DESTDIR=/path/to/my/uml/instance install".
> If folks compile the C programs in UML directly, where the "gcc" comes
from?
> Is it built part of the rootfs, or some add-ons? Any pointers for
that?
It's part of the rootfs, and you have a complete operating system there.
You use yum or apt or yast2 to install whatever you need.
--
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