Steve,
I have a pocket linux system (based around busybox) that I built on
an ARM Linux system (a Corel box). I use ROM fs myself. Thanks for
the tips though...
Dave
Steve Hill wrote:
> David Rusling wrote:
> >
> > Mike,
> >
> > thank you very much. I think that what I was doing was not building
> > the correct version of glibc, I had glibc-2.1, not 2.1.3. After a bit of
> > fiddling I can now build static applications for my ARM Linux box.
> > This is with gcc 2.95.2 but I think that gcc 2.95.1 would also work.
> >
> > I build all my stuff for /usr/local/gnu so I ended up having to
> > create a link from /usr/local/gnu/lib to /usr/local/gnu/arm-linux/lib
> > (I also have arm-elf for the eCOS work that I've been doing).
> >
> > All I have to do now is to figure out how to 'install' the shared
> > libraries onto my pocket Linux system...
> >
> Well, now that you have a complete working toolchain, you can start building
> all the components for your disk image for your pocket Linux system. A good
> place to start would be to get ARM packages from the Debian site. If you want
> to build 'glibc' from scratch to put on your own disk image, here is one way
> of doing it.
>
> 1) Create a ramdisk using '/dev/ramX' or use the loopback device and format
> an 'ext2' filesystem on it.
>
> 2) Un-pack your 'glibc' sources again.
>
> 3) Put your cross-compilation environment in your path and run the configure
> script for 'glibc' only this time using '--prefix=/usr'. This will
> configure 'glibc' in a special way that will install the libraries in
> '/lib' like it is on a "normal" Linux system. (By telling it the prefix
> is /usr AND that the target is a Linux variant, glibc figures out that
> you are creating it to be the main C run time library on the system)
>
> 4) Go ahead and do a 'make' and let it finish. STOP THERE!
>
> 5) WARNING!!! Now that 'glibc' has been built you are now ready to install
> it. If you were to do a 'make install' it would overwrite your host PC
> libraries and you would be screwed. Instead you want to do the install
> using 'make install_root=[path-to-mounted-disk-image] install'. This
> will then install 'glibc' to your disk image.
>
> 6) Continue putting whatever else you want on your image.
>
> 7) Unmount disk image. Hurray, you are done.
>
> Hope this helps.
>
> -Steve
>
> --
> Steven J. Hill - Embedded SW Engineer
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David A Rusling Consulting Engineer
ARM Limited
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