RE: Problems using crosstool-0.42 with Arm

["Heilpern, Mark" <mark dot heilpern at authentec dot com>]

That was definitely helpful. After installing the compat-gcc-32 RPM, I
set CC=gcc32 and was able to build a 2.95 Arm compiler.

Thanks much!



 

-----Original Message-----
From: Brian Dessent [mailto:brian@dessent.net] 
Sent: Thursday, October 19, 2006 12:05 PM
To: Heilpern, Mark
Cc: crossgcc@sourceware.org
Subject: Re: Problems using crosstool-0.42 with Arm

"Heilpern, Mark" wrote:

> My development host is an x86 running Fedora Core 5; the host
compiler's -v output displays: gcc version 4.1.1 20060525 (Red Hat
4.1.1-1).
> ...
> /home/heilpern/crosstool-0.42/build/arm-unknown-linux-gnu/gcc-2.95.3-g
> libc-2.1.3/gcc-2.95.3/gcc/config/arm/arm.c:286: warning: assignment 
> discards qualifiers from pointer target type
> /home/heilpern/crosstool-0.42/build/arm-unknown-linux-gnu/gcc-2.95.3-g
> libc-2.1.3/gcc-2.95.3/gcc/config/arm/arm.c:530: error: invalid lvalue 
> in assignment

Compiling such an ancient gcc (2.95) with a very new gcc (4.1.1) is
probably not going to work.  Those archaic gccs were much more
permissive about accepting invalid code, and the current versions won't
let you get away with it.  So, you'll probably need to use an
intermediate version that is somewhere in between.  Fedora has such a
compiler already packaged for you (e.g. compat-gcc-32) so just install
that and set your environment appropriately to use it instead of 4.1.1.

Brian

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