[OE-core] [PATCH V2] tclibc-musl.inc: fix bfd "cannot make copy relocation for protected symbol" issues

[Khem Raj]

On Mon, Jul 24, 2017 at 6:18 AM, Burton, Ross <ross.burton at intel.com> wrote:
> If we're going to silently change the linker to bfd under musl if ld-is-gold
> is selected, wouldn't it be better just to throw an exception if both musl
> and ld-is-gold are selected?  Better to tell the user so they can not do
> that than silently ignore what they asked.

yes, that would be better but I am skeptical of disabling it
completely, we should
create testcase and report it to binutils bugzilla


>
> Ross
>
> On 22 July 2017 at 14:30, <liu.ming50 at gmail.com> wrote:
>>
>> From: Ming Liu <peter.x.liu at external.atlascopco.com>
>>
>> Quite a few such compiling issues were found when I was building with
>> following configs:
>> ...
>> MACHINE = "beaglebone"
>> TCLIBC = "musl"
>> DISTRO_FEATURES_append = " ld-is-gold"
>> ...
>>
>> fixed by adding bfd binding now ldflags.
>>
>> Signed-off-by: Ming Liu <peter.x.liu at external.atlascopco.com>
>> ---
>>  meta/conf/distro/include/tclibc-musl.inc | 4 ++++
>>  1 file changed, 4 insertions(+)
>>
>> diff --git a/meta/conf/distro/include/tclibc-musl.inc
>> b/meta/conf/distro/include/tclibc-musl.inc
>> index 3d3f6ac..99d52a1 100644
>> --- a/meta/conf/distro/include/tclibc-musl.inc
>> +++ b/meta/conf/distro/include/tclibc-musl.inc
>> @@ -18,6 +18,10 @@ PREFERRED_PROVIDER_virtual/nativesdk-libiconv ?=
>> "nativesdk-glibc"
>>
>>  CXXFLAGS += "-fvisibility-inlines-hidden"
>>
>> +# Workaround for musl libc does not support bfd lazy binding well
>> +# Refer to: https://bugzilla.yoctoproject.org/show_bug.cgi?id=11679
>> +LDFLAGS += "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-gold',
>> '-Wl,-z,relro,-z,now -fuse-ld=bfd', '', d)}"
>> +
>>  IMAGE_LINGUAS = ""
>>
>>  LIBC_DEPENDENCIES = "\
>> --
>> 2.7.4
>>
>
>
> --
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