[libvirt] [PATCH] Fix '-pie' build with clang

[Andrea Bolognani]

On Tue, 2016-02-09 at 13:13 +0100, Martin Kletzander wrote:
> Commit 97e70a593589e8f0432a748b4b93c3cdc18b9e5a added the option -pie to
> CFLAGS and LDFLAGS, however '-pie' is just a linker option.  That
> wouldn't be a problem.  However, clang is checking for that and outputs
> an error or unused argument:
> 
> error: argument unused during compilation: '-pie'
> 
> Signed-off-by: Martin Kletzander <mkletzan at redhat.com>
> ---
>  m4/virt-compile-pie.m4 | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/m4/virt-compile-pie.m4 b/m4/virt-compile-pie.m4
> index c0fb346ff784..a2df38ea7272 100644
> --- a/m4/virt-compile-pie.m4
> +++ b/m4/virt-compile-pie.m4
> @@ -26,7 +26,7 @@ AC_DEFUN([LIBVIRT_COMPILE_PIE],[
>           ;; dnl All code is position independent on Win32 target
>        *)
>        gl_COMPILER_OPTION_IF([-fPIE -DPIE -pie], [
> -        PIE_CFLAGS="-fPIE -DPIE -pie"
> +        PIE_CFLAGS="-fPIE -DPIE"
>          PIE_LDFLAGS="-pie"
>        ])
>      esac

ACK

-- 
Andrea Bolognani
Software Engineer - Virtualization Team