Re: 2.4 critical compiling error in softirq.c with gcc 4.3

On Mon, Mar 03, 2008 at 09:21:15PM +0100, Ivan Vucica wrote:
> First the obligatory gcc --version:
>
> arm-linux-gnueabi-gcc (Debian 4.3-20080227-1) 4.3.0 20080227 (prerelease)
> [gcc-4_3-branch revision 132730]
> Copyright (C) 2007 Free Software Foundation, Inc.
> This is free software; see the source for copying conditions. There is NO
> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
>
>
> It's GCC, EmDebian edition.
>
>
> Otherwise, I think this speaks for itself:
>
>
> /opt/kernel/linux-2.4.19-rmk6-pxa1-hh/include/linux/ncp.h:42: warning:
> 'packed' attribute ignored for field of type '__u8'
> /opt/kernel/linux-2.4.19-rmk6-pxa1-hh/include/linux/ncp.h:43: warning:
> 'packed' attribute ignored for field of type '__u8[]'
> /opt/kernel/linux-2.4.19-rmk6-pxa1-hh/include/linux/ncp.h:137: warning:
> 'packed' attribute ignored for field of type '__u8'
> /opt/kernel/linux-2.4.19-rmk6-pxa1-hh/include/linux/ncp.h:138: warning:
> 'packed' attribute ignored for field of type '__u8[256]'
> /opt/kernel/linux-2.4.19-rmk6-pxa1-hh/include/linux/ncp.h:174: warning:
> 'packed' attribute ignored for field of type '__u8'
> softirq.c: In function 'do_softirq':
> softirq.c:79: error: lvalue required as increment operand
> softirq.c:82: error: lvalue required as left operand of assignment
> softirq.c:102: error: lvalue required as decrement operand
> softirq.c: In function 'cpu_raise_softirq':
> softirq.c:116: error: lvalue required as left operand of assignment
> softirq.c: In function 'tasklet_action':
> softirq.c:205: error: lvalue required as left operand of assignment
> softirq.c: In function 'tasklet_hi_action':
> softirq.c:239: error: lvalue required as left operand of assignment
> softirq.c: In function 'ksoftirqd':
> softirq.c:381: error: lvalue required as left operand of assignment
> make[2]: *** [softirq.o] Error 1
> make[2]: Leaving directory `/opt/kernel/linux-2.4.19-rmk6-pxa1-hh/kernel'
> make[1]: *** [first_rule] Error 2
> make[1]: Leaving directory `/opt/kernel/linux-2.4.19-rmk6-pxa1-hh/kernel'
> make: *** [_dir_kernel] Error 2
>
>
>
> I tried codesourcery's gcc 3.4, one of those from 2005. That one goes
> insane somewhere in cpufreq.c.
>
> Since h3800 is not supported with 2.6 kernels (almost no drivers were
> ported) I'm stuck with 2.4 which doesn't appear to compile with today's
> compilers. Or, the "current" CVS has holes like Swiss cheese.
>
> Hints? Fixes?

You can get a 3.3 toolchain from handhelds.org.:
ftp://ftp.handhelds.org/projects/toolchain/

And the toolchain docs should still be relevant:
http://www.handhelds.org/moin/moin.cgi/DevelopmentToolchains

Otherwise, I am more likely to accept patches to get h3800 working on
2.6 then I am to accept 2.4 gcc fixes.

E

-- 
Erik Hovland
mail: erik_at_hovland.org
web: http://hovland.org/
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