Hi,

On Mon, 2008-04-21 at 12:35 +0100, Will Newton wrote:
> Hi,
> 
> The Linux port I run on LTP has a minimal set of system calls. It
> currently does not implement the sysfs system call so I'd like to
> disable the tests for this system call - at the moment they will fail
> to compile because __NR_sysfs is undefined. Is there an idiomatic way
> of doing this? I can either prevent the test compiling completely

See the way here we approach normally for system calls which are not
supported on some architecture, or, kernel version:

http://ltp.cvs.sourceforge.net/ltp/ltp/testcases/kernel/syscalls/remap_file_pages/remap_file_pages01.c

#if defined (__s390__) || (__s390x__)
         /* Disables the test in case the kernel version is lower than
2.6.12 and arch is s390 */
       if((tst_kvercmp(2, 6, 12)) < 0)
       {
               tst_resm(TWARN, "This test can only run on kernels that
are 2.6.12 and higher");
               exit(0);
       }
#endif

Hope this will help you to sort your issues. Also send us the fixes that
you generate for your LTP.

Regards--
Subrata

> somehow in the Makefile (e.g. as modify_ldt does) or make the test
> compile but return BROK perhaps?
> 
> Thanks,
> 
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