[Pvfs2-developers] ia64 rhel5 configure bug

[David Brown]

> Yup that's works great
>
> diff --git a/maint/config/kernel.m4 b/maint/config/kernel.m4
> index 5c527d5..f287d29 100644
> --- a/maint/config/kernel.m4
> +++ b/maint/config/kernel.m4
> @@ -352,7 +352,7 @@ AC_DEFUN([AX_KERNEL_FEATURES],
>         dnl certain Fedora FC5 kernel header files throw extra (spurious)
>         dnl warnings, which -Wno-pointer-sign silences.
>          tmp_cflags=$CFLAGS
> -       CFLAGS="$CFLAGS -Werror -Wno-pointer-sign"
> +       CFLAGS="$CFLAGS -Werror -Wno-pointer-sign -Wno-strict-aliasing
> -Wno-strict-aliasing=2"
>         dnl if this test passes, there is a struct dentry* argument
>         AC_MSG_CHECKING(if statfs callbacks' arguments in kernel has
> struct dentry argument)
>         dnl if this test passes, the kernel has it
>

This doesn't quite fix the problem I looked at it outside rpmbuild and
it worked.
With rhel5 in an rpmbuild by default the -O2 gcc flag is passed when
this happens the -fstrict-aliasing flag is enabled and putting the
-Wno-strict-aliasing doesn't quite work. *sigh*...

- David Brown