Re: [uml-user] UML compile problem

[Blaisorblade <bla...@ya...>]

On Monday 23 May 2005 18:54, Simon Hall wrote:
> Hi,
>
> I'm trying to build UML on x86_64 and have run into a compile problem.
>
> Host: Sun v40z, dual Opteron running Redhat Enterprise Linux 4, kernel
> 2.6.9-5.0.3.ELsmp, gcc version 3.4.3, binutils 2.15.92.
>
> I'm trying to build a UML kernel version 2.6.12-rc4-mm2 with patches
> from http://user-mode-linux.sourceforge.net/patches.html and keep
> hitting the following:
>
>    CC      init/main.o
> In file included from include/linux/dcache.h:10,
>                   from include/linux/fs.h:208,
>                   from include/linux/proc_fs.h:6,
>                   from init/main.c:17:
> include/linux/rcupdate.h: In function `rcu_qsctr_inc':
> include/linux/rcupdate.h:118: error: `cpu_pda' undeclared (first use in
> this function)
> include/linux/rcupdate.h:118: error: (Each undeclared identifier is
> reported only once
> include/linux/rcupdate.h:118: error: for each function it appears in.)
> include/linux/rcupdate.h:118: error: invalid type argument of `unary *'
> include/linux/rcupdate.h: In function `rcu_bh_qsctr_inc':
> include/linux/rcupdate.h:123: error: `cpu_pda' undeclared (first use in
> this function)
> include/linux/rcupdate.h:123: error: invalid type argument of `unary *'
> include/linux/rcupdate.h: In function `rcu_pending':
> include/linux/rcupdate.h:154: error: `cpu_pda' undeclared (first use in
> this function)
> include/linux/rcupdate.h:154: error: invalid type argument of `unary *'
> include/linux/rcupdate.h:155: error: invalid type argument of `unary *'
> In file included from init/main.c:35:
> include/linux/kernel_stat.h: In function `kstat_irqs':
> include/linux/kernel_stat.h:50: error: `cpu_pda' undeclared (first use
> in this function)
> include/linux/kernel_stat.h:50: error: invalid type argument of `unary *'
> make[1]: *** [init/main.o] Error 1
> make: *** [init] Error 2
>
> I'm using the default .config (ie make menuconfig ARCH=um and then save
> without changing anything) as a starting point.
1) do a make mrproper ARCH=um before anything else. The above seems to come 
from include/asm pointing to the wrong place...
2) Use make defconfig ARCH=um, the way above can read the /boot/* config.
3) remove include/asm-um/elf.h which should be either a symlink or a 0 length 
file.
-- 
Paolo Giarrusso, aka Blaisorblade
Skype user "PaoloGiarrusso"
Linux registered user n. 292729
http://www.user-mode-linux.org/~blaisorblade