On 11/22/11 13:32, Avi Kivity wrote:
> Some toolchains don't support pie properly when tls variables are
> in use. Disallow pie when such toolchains are detected.
>
> Signed-off-by: Avi Kivity <a...@redhat.com>
> ---
> configure | 5 ++++-
> 1 files changed, 4 insertions(+), 1 deletions(-)
>
> diff --git a/configure b/configure
> index 75e1f10..7e6c640 100755
> --- a/configure
> +++ b/configure
> @@ -1120,7 +1120,10 @@ fi
>
> if test "$pie" != "no" ; then
> cat > $TMPC << EOF
> -int main(void) { return 0; }
> +
> +static __thread tls_var;
> +
> +int main(void) { return tls_var; }
> EOF
> if compile_prog "-fPIE -DPIE" "-pie"; then
> QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS"
Survived testbuild.
thanks,
Gerd
