On Friday 18 November 2005 07:48, Rob Landley wrote:
> On Thursday 17 November 2005 21:12, Jeff Dike wrote:
> > On Thu, Nov 17, 2005 at 04:51:33PM -0600, Rob Landley wrote:
> > > find . -name asm

> > This all looks the same as I have here, except for the asm-i386 thing,
> > which I don't think matters.  ldt.h seems to be at the center of this,
> > so can you check the following:
> >  asm-i386/ldt.h contains a struct user_desc

> Yup.

> >  asm-um includes asm/arch/ldt.h

> There's no asm subdirectory under asm-um.

Jeff meant that inside asm-um you should have a "arch" symlink to 
"../asm-i386", and that include/asm/arch/ldt.h should exist (in the source 
tree root).

> >  asm-um/ldt.h contains a typedef of uml_ldt_t

> asm-um/ldt.h is a 0 byte file.

Damnit! Do rm on it and things will work (Makefiles will create a symlink to 
ldt-$(SUBARCH) in its place). We had this problem in the past, and exactly 
for a mis-formed patch with quilt.

> >  mmu-skas.h includes asm-um/ldt.h

> The one in arch/um/include/skas includes asm/ldt.h
> The one in arch/um/kernel/skas/include is a 0 byte file.

I suppose that's a rename from something in the patchset... and that the file 
is not properly deleted (I hope this one shouldn't create problems).

Damn it again! Je-eff? I remember quilt can be taught to do it!

> > Also, generate a .i for the C file that's being built and check that
> > the definitions are getting pulled in.  There may be an easier way to
> > do this, but I

I do make ARCH=um $path.i is supposed to work. I recently fixed it (should be 
upstream) up for userspace files (along with other extensions - .lst, .s and 
so on) . Before, obviously, I did as you do.

> >        turn on V=1
> >        cd obj
> >        paste the gcc command into an xterm
> >        edit it as follows
> >                the -o -c foo.o is replaced by -E
> >                add > x.i at the end

> The line that's going boing is

> gcc -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing
> -fno-common -ffreestanding -O2     -fomit-frame-pointer  -D__arch_um__
> -DSUBARCH=\"i386\" -Iarch/um/include
> -I/home/landley/newbuild/firmware-build/tmpdir/linux-2.6.14/arch/um/include
> -I/home/landley/newbuild/firmware-build/tmpdir/linux-2.6.14/arch/um/include
>/skas -Dvmap=kernel_vmap -Din6addr_loopback=kernel_in6addr_loopback
> -Derrno=kernel_errno -Dsigprocmask=kernel_sigprocmask  -U__i386__ -Ui386
> -mpreferred-stack-boundary=2 -D_LARGEFILE64_SOURCE    -nostdinc
> -isystem /usr/lib/gcc-lib/i486-linux/3.3.5/include -D__KERNEL__ -Iinclude
> -Iinclude2
> -I/home/landley/newbuild/firmware-build/tmpdir/linux-2.6.14/include
> -include include/linux/autoconf.h -S -o
> arch/um/kernel-offsets.s
> /home/landley/newbuild/firmware-build/tmpdir/linux-2.6.14/arch/um/sys-i386/
>kernel-offsets.c

> I don't even have to add V=1 to get it, that sucker isn't run through a
> prettification macro.  However, whey you say "-o -c foo.o", I can't find
> that to replace it with -E.  Do you mean the "-S -o kernel-offsets.s" bit?

In this case yes - Jeff thought the build would stop when building a "foo.o", 
but it's stopping earlier than he expected.

-- 
Inform me of my mistakes, so I can keep imitating Homer Simpson's "Doh!".
Paolo Giarrusso, aka Blaisorblade (Skype ID "PaoloGiarrusso", ICQ 215621894)
http://www.user-mode-linux.org/~blaisorblade





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