Re: [microblaze-uclinux] microwindows compile error (and also about loadable module support)

[John Williams <jwilliams@xxxxxxxxxxxxxx>]

Hi Aslam,

Islam Samir wrote:

> PetaLinux v. 0.2-rc3
> I try to compile microwindows (Nano-X) . First I got an error:

We're in the process of cleaning up microwin so it will build.  It 
sounds like you are making progress too.


> Creating library 
> /home/ihhs/petalinux/petalinux-v0.20-rc3/software/petalinux-dist/user/microwin/src/lib/libnano-X.a 
> ...
> Linking 
> /home/ihhs/petalinux/petalinux-v0.20-rc3/software/petalinux-dist/user/microwin/src/bin/nano-X 
> ...
> /home/ihhs/petalinux/petalinux-v0.20-rc3/software/petalinux-dist/user/microwin/src/bin/nano-X.elf2flt: 
> In function `main':
> /home/ihhs/petalinux/petalinux-v0.20-rc3/software/petalinux-dist/user/microwin/src/nanox/srvmain.c:173: 
> undefined reference to `GsSelect'
> /home/ihhs/petalinux/petalinux-v0.20-rc3/software/petalinux-dist/user/microwin/src/bin/nano-X.elf2flt: 
> In function `GdCreateFont':
> /home/ihhs/petalinux/petalinux-v0.20-rc3/software/petalinux-dist/user/microwin/src/engine/devfont.c(.text+0x108d8): 
> undefined reference to `strcmpi'

convert these obsolete strcmpi calls to strcasecmp and so on.

> Another thing, the hello world module attached here did not compile due 
> to the following error:
>
> make[1]: Entering directory 
> `/home/ihhs/petalinux/petalinux-v0.20-rc3/software/linux-2.6.x-petalogix'
>   CC [M]  
> /home/ihhs/petalinux/2007.07.07_loadable_modules/hello_modules/hello.o
> In file included from include/linux/wait.h:26,
>                  from include/linux/kobject.h:28,
>                  from include/linux/module.h:17,
>                  from 
> /home/ihhs/petalinux/2007.07.07_loadable_modules/hello_modules/hello.c:2:
> include/asm/current.h:19: error: invalid register name for ‘current’
> make[2]: *** 

This error is coming because you are trying to compile a microblaze 
kernel module with the host (i386) toolchain.

Try something like

make ARCH=microblaze

It may not be all that is required, but will be a step in the righth 
direction.

Regards,

John
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