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

[Khem Raj]

On Tue, Jul 25, 2017 at 1:07 AM, Ming Liu <liu.ming50 at gmail.com> wrote:
> Hi, Burton:
>
> I also agree with you, your suggestion is better.
>
> Hi, Khem:
>
> But is this a bug of binutils? Or musl libc? Since I had only observed this
> error with musl libc only, it did not occur with glibc.
>

Please try out a tentative patch here
https://bugzilla.yoctoproject.org/show_bug.cgi?id=11679#c4

> //Ming Liu
>
> 2017-07-24 15:39 GMT+02:00 Khem Raj <raj.khem at gmail.com>:
>>
>> 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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>> > Openembedded-core at lists.openembedded.org
>> > http://lists.openembedded.org/mailman/listinfo/openembedded-core
>> >
>
>