[OE-core] [PATCH v2] grub: add -Wno-error=trampolines to native CFLAGS

[ChenQi]

Hi,

Is the error still there for gcc6 without this option for CFLAGS?
The problem is that gcc on some old hosts don't support this option.

Best Regards,
Chen Qi

On 03/18/2016 09:30 AM, Randle, William C wrote:
> Previous patch was not against master. Updated against master branch.
>
> Fixes YOCTO 9201
> Adds -Wno-error=trampolines to native CFLAGS prevent multiple compile
> errors when using gcc 5.3.0 for gentoo.
>
> Signed-off-by: Bill Randle <william.c.randle at intel.com>
> ---
>   meta/recipes-bsp/grub/grub-efi_2.00.bb | 4 ++++
>   1 file changed, 4 insertions(+)
>
> diff --git a/meta/recipes-bsp/grub/grub-efi_2.00.bb b/meta/recipes-bsp/grub/grub-efi_2.00.bb
> index 4e80e18..ca73234 100644
> --- a/meta/recipes-bsp/grub/grub-efi_2.00.bb
> +++ b/meta/recipes-bsp/grub/grub-efi_2.00.bb
> @@ -35,6 +35,10 @@ EXTRA_OECONF = "--with-platform=efi --disable-grub-mkfont \
>   
>   EXTRA_OECONF += "${@bb.utils.contains('DISTRO_FEATURES', 'largefile', '--enable-largefile ac_cv_sizeof_off_t=8', '--disable-largefile', d)}"
>   
> +# ldm.c:114:7: error: trampoline generated for nested function 'hook' [-Werror=trampolines]
> +# and many other places in the grub code when compiled with some native gcc 5.3 compilers
> +CFLAGS_append_class-native = " -Wno-error=trampolines"
> +
>   do_install_class-native() {
>      install -d ${D}${bindir}
>      install -m 755 grub-mkimage ${D}${bindir}
> --
> 2.5.0