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

[ChenQi]

On 06/24/2016 10:04 PM, Khem Raj wrote:
> On Thu, Jun 23, 2016 at 11:19 PM, ChenQi <Qi.Chen at windriver.com> wrote:
>> 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.
> how old is the host. We should start recommending minimum required GCC
> version on build host.
> Sometimes a newer gcc is available for older distros too as alternative package.

That is centos6.

Best Regards,
Chen Qi

>> 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
>>
>> --
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