Re: [ECOS] JFFS2 on ARM target

[Andrew Lunn <andrew@lunn.ch>]

On Thu, Mar 09, 2006 at 11:27:02AM -0500, Doyle, Patrick wrote:
> > -----Original Message-----
> > From: Andrew Lunn [mailto:andrew@lunn.ch] 
> > Sent: Wednesday, March 08, 2006 4:58 PM
> > To: Doyle, Patrick
> > Cc: ecos-discuss@ecos.sourceware.org
> > Subject: Re: [ECOS] JFFS2 on ARM target
> > 
> > packages/fs/jffs2/current/src/fs-ecos.c:24
> > 
> > #if (__GNUC__ == 3) && (__GNUC_MINOR__ == 2) && defined 
> > (__ARM_ARCH_4__)
> > #error This compiler is known to be broken. Please see:
> > #error 
> > http://ecos.sourceware.org/ml/ecos-patches/2003-08/msg00006.html
> > #endif
> > 
> > 2003-09-23  Andrew Lunn  <andrew.lunn@ascom.ch>
> > 
> >         * src/fs-ecos.c: Added test to detect known broken 
> > ARM compiler
> > 
> >         Andrew
> > 
> Thanks Andrew,
> I'll look at mtd distribution, see if it includes ?yvind's patch, and figure
> out what to do next based on what I find there.  In the mean time,
> experimental evidence suggests that the 'defined(__ARM_ARCH_4__)' should be
> 'defined(__ARM_ARCH_4T_)' in fs-ecos.c.  At least on my system, which
> compiles fs-ecos.c with the following command:
> 
> arm-elf-gcc -c  -I/home/wpd/ess/redboot/dbw-redboot-ram/install/include
> -I/home/wpd/eCos/ecos-20060228/packages/fs/jffs2/current
> -I/home/wpd/eCos/ecos-20060228/packages/fs/jffs2/current/src
> -I/home/wpd/eCos/ecos-20060228/packages/fs/jffs2/current/tests -I.
> -I/home/wpd/eCos/ecos-20060228/packages/fs/jffs2/current/src/
> -finline-limit=7000 -mcpu=arm9 -Wall -Wpointer-arith -Wstrict-prototypes
> -Winline -Wundef  -g -O2 -ffunction-sections -fdata-sections
> -fno-exceptions   -D__ECOS -nostdinc -iwithprefix include
> -Wp,-MD,src/fs-ecos.tmp -o src/fs_jffs2_fs-ecos.o
> /home/wpd/eCos/ecos-20060228/packages/fs/jffs2/current/src/fs-ecos.c

Strange, it works for me. I wounder if its becasue you are using arm9?

Please could you give the output when you call gcc with -v. I think
that will show all the defines which are passed to CPP.

        Thanks
                Andrew

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