gold on trunk breaks aarch64- and arm32-linux (Re: [gold][PATCH] PR gold/19119: Gold accepts bogus target emulation)

[H.J. Lu]

On Sun, Oct 25, 2015 at 10:37 AM, Matthias Klose <doko@ubuntu.com> wrote:
> On 15.10.2015 17:57, Cary Coutant wrote:
>>>
>>>          PR gold/19119
>>>          * options.h (General_options): Remove "obsolete" from -m.
>>
>>
>> I'm a little reluctant to remove "obsolete" from the description --
>> maybe "deprecated" instead?
>>
>>>          * parameters.cc (set_parameters_target): Check if input target
>>>          is compatible with output emulation set by "-m emulation".
>>
>>
>> This is OK. Thanks!
>
>
> hmm, this breaks any released gcc on aarch64-linux-gnu and
> arm-linux-gnueabi*
>
> $ gcc -fuse-ld=gold foo.c
> /usr/bin/ld.gold: error: unrecognised output emulation: aarch64linux
> collect2: error: ld returned 1 exit status
>
> $ gcc -fuse-ld=gold foo.c
> /usr/bin/ld.gold: error: unrecognised output emulation: armelf_linux_eabi
> collect2: error: ld returned 1 exit status
>

What do ld.bfd -V and ld.gold -V report?  They should support the
same set of emulations.

-- 
H.J.