[uClinux-dev] which version of GCC is good for arm-uclinux porting ?

Erwin Authried eauth at softsys.co.at
Tue Nov 6 03:14:27 EST 2001

There is a Midori Linux based distribution that works for the ARM7TDMI
at http://uclinux.home.at/midori/. Documentation on Midori can be found
at http://midori.transmeta.com/.


Durgesh Pattamatta schrieb:
> Hi,
> I am trying to port uclinux2.4.x to ARM946ES processor based board.
> Initially I downloaded GCC 2.95.3 and binutils 2.11.2 and built arm-linux
> tool chain with uclibc. I was able to get kernel up and mount romfs. But
> then while loading the images from romfs I found that I need to build FLT
> images which need "-mdisable-got -msingle-pic-base" options available in
> GCC. These options were missing in GCC 2.95.3 standard distribution.
> So, then I searched and found GCC 2.96 20000407 available at
> http://www.uclinux.org/pub/uClinux/ports/arm7tdmi/ and built kernel. Kernel
> came up fine. But while building busybox I came across strange assembler
> messages. After lot of research on uclinux user group list archive I found
> that by removing "-O2" options will bypass the problem. But it was of no use
> because the busy box crashed as soon as it is loaded. Then I found that the
> parameters passed to main() function of busy box were not proper. Then again
> after searching on archive list I found that there are some strange compiler
> problems with 2.96 version and reported at
> http://www.uclinux.org/pub/uClinux/archive/0740.html. I followed that thread
> and added "-fomit-frame-pointer" option to my CFLAGS but it didn't help me.
> So, I came back to square one of porting : "searching for proper compiler
> tool chain to build uclinux on ARM9 based boards"..............
> That was my sad saga...... Please somebody out there help in finding proper
> GCC toolchain to build uclinux2.4.x and busybox0.52 for ARM9 processor.
> regards,
> durgesh
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