Re: [sysvinit] Re: Build failure with selinux enabled

[Werner Fink]

On Sat, Mar 20, 2010 at 09:19:37AM +0100, Petter Reinholdtsen wrote:
> [Petter Reinholdtsen]
> > The current svn source fail to build with SE linux enabled.
> 
> I investigated some more, and the MNT_DETACH was introduced after
> glibc 2.7, which is the version in Debian Lenny on my laptop.  It is
> present in 2.10 in the Debian unstable repository.  This patch might
> solve the issue.  It solve the build problem, at least.  I am unsure
> which kernel have a umount2() call that understand this argument.
> 
> Index: src/init.c
> ===================================================================
> --- src/init.c  (revision 44)
> +++ src/init.c  (working copy)
> @@ -55,6 +55,9 @@
>  #ifdef WITH_SELINUX
>  #include <selinux/selinux.h>
>  #include <sys/mount.h>
> +#  ifndef MNT_DETACH /* present in glibc 2.10, missing in 2.7 */
> +#    define MNT_DETACH 2
> +#  endif
>  #endif
> 

At least the current kernel which is used for SELinux should
know about as this mount wrapper is used within the selinux
library its self.

       Werner

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