[PATCH][gdb/testsuite] Fix break-probes.exp with native-gdbserver

[Tom de Vries]

On 18-04-19 20:13, Pedro Alves wrote:
> On 4/18/19 5:50 PM, Tom de Vries wrote:
>> Hi,
>>
>> When running break-probes.exp with native-gdbserver, we run into:
>> ...
>> FAIL: gdb.base/break-probes.exp: run til our library loads (the program exited)
>> FAIL: gdb.base/break-probes.exp: call (int) foo(23)
>> ...
>> due to the fact that we're trying to match:
>> ...
>> Inferior loaded /data/gdb_versions/devel/build/gdb/testsuite/outputs/gdb.base\
>>   /break-probes/break-probes-solib.so
>> ...
>> using pattern:
>> ...
>> Inferior loaded $sysroot$binfile_lib
>> ...
>> which expands into:
>> ...
>> Inferior loaded //data/gdb_versions/devel/build/gdb/testsuite/outputs/gdb.base\
>>   /break-probes/break-probes-solib.so
>> ...
>>
>> Fix this by removing trailing slashes from the sysroot variable.
>>
>> Tested on x86_64-linux with native and native-gdbserver (with sysroot set to
>> "/", "/." and "/./").
>>
>> OK for trunk?
>>
> 
> I think we made a little mistake in the recent "set sysroot in board file" patch:
> 
> commit c92df149c29518f6e1d4a3174b3e29162fcd3ad6
> Author:     Alan Hayward <alan.hayward@arm.com>
> AuthorDate: Thu Mar 28 12:33:29 2019 +0000
> 
>     Testsuite: set sysroot when using gdbserver
> 
> I think it would be better to make that do
> 
> "set sysroot"
> 
> instead of the current
> 
> "set sysroot /"
> 
> Setting the sysroot to empty means to read from the local filesystem,
> which is what was intended.
> 
> And with that, this patch shouldn't be necessary.

Ack, committed as below.

Thanks,
- Tom

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