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To:     Keith Owens <kaos@melbourne.sgi.com>
cc:     rawb@olliance.com, linux-xfs@oss.sgi.com
Subject: Re: Problems compiling 
In-reply-to: Your message of "Sat, 22 Jul 2000 11:00:47 +1000
Date:   Fri, 21 Jul 2000 20:32:05 -0500
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> On Fri, 21 Jul 2000 11:41:27 -0700, 
> Rawb <rawb@olliance.com> wrote:
> >make -C xfs
> >make[2]: Entering directory `/usr.ext/src/linux-2.4-xfs/linux/fs/xfs'
> >/usr/src/linux-2.4-xfs/linux/Rules.make:75: warning: overriding commands
> >for target `xfs.o'
> >Makefile:93: warning: ignoring old commands for target `xfs.o'
> 
> I cannot reproduce your problem with the current 2.4.0-test1-xfs
> source.  I am running from the SGI p_tools tree, not CVS, I wonder if
> CVS is out of sync.  It is puzzling that the Rules.make:75 and
> fs/xfs/Makefile:93 lines have nothing to do with target xfs.o.
> 
> Rawb, please mail me (not the list) your .config, Rules.make, top level
> Makefile, fs/xfs/Makefile and the output from "md5sum fs/xfs/*".

The key factor here is that there are no stubs at the start of the list of .o
files:

ld -m elf_i386  -r -o xfs.o xfs_alloc.o xfs_alloc_btree.o xfs_attr.o
xfs_attr_leaf.o xfs_bit.o xfs_bmap.o xfs_bmap_btree.o xfs_btree.o
xfs_buf_item.o xfs_da_btree.o xfs_dir.o xfs_dir2.o xfs_dir2_block.o


where the source of the makefile says:

ifeq ($(CONFIG_XFS_RT),y)
        XFS_RT_OBJS=xfs_rtalloc.o xfs_rtbit.o
else
        XFS_RT_OBJS=xfsrtstubs.o
endif
ifeq ($(CONFIG_XFS_GRIO),y)
        XFS_GRIO_OBJS=xfs_grio.o
else
        XFS_GRIO_OBJS=
endif
ifeq ($(CONFIG_XFS_DMAPI),y)
        XFS_DMAPI_OBJS=dmapi/dmapi.o
else
        XFS_DMAPI_OBJS=xfsdmapistubs.o
endif

XFS_OBJS  :=    $(XFS_RT_OBJS) \
                $(XFS_GRIO_OBJS) \
                $(XFS_DMAPI_OBJS) \
                xfs_alloc.o \
                xfs_alloc_btree.o \

This has happened before, when the grio and realtime flags got taken out of
the config options. There is some cached state in the tree which gets confused
when these flags change I think. Saving the .config filesomewhere, doing
a make mrproper, reinstalling the .config and doing a make oldconfig might
fix it.

It could have something to do with the include/config file state beiong
messed up.

Steve (temporarily in ottawa)


options.