riscv BSPs on Spike due to weird RSB side-effect

[Gedare Bloom]

On Sat, Mar 21, 2020 at 12:19 PM Joel Sherrill <joel at rtems.org> wrote:
>
>
>
> On Fri, Mar 20, 2020 at 8:14 PM Joel Sherrill <joel at rtems.org> wrote:
>>
>>
>>
>> On Fri, Mar 20, 2020 at 7:56 PM Joel Sherrill <joel at rtems.org> wrote:
>>>
>>> Hi
>>>
>>> I think something is wrong with the build of spike that ends up with
>>> a hard-coded path to inside a build tree:
>>>
>>> Result: invalid    Time: 0:00:01.197748 mimfs_fslink.exe
>>> =>  run: spike --isa=RV32IAC ./riscv-rtems5/c/rv32iac/testsuites/fstests/mimfs_fslink.exe
>>> ] Failed to run /home/joel/rtems-cron-5/rtems-source-builder/bare/build/tmp/sb-1001/devel/spike/home/joel/rtems-cron-5/tools/5/bin/dtc: No such file or directory
>>> ] Child dtb process failed
>>>
>>> https://lists.rtems.org/pipermail/build/2020-March/011112.html
>>>
>>> Does spike work if there isn't this problem?
>>>
>>> I can poke at the host exes to see if the dtc path is hard-coded. Otherwise, this seems very strange.
>>
>>
>> I can confirm that spike built with the RSB has the hard-coded
>> path to dtc that is in the temporary RSB build/staging directories.
>>
>> $ strings spike | grep dtc
>> /home/joel/rtems-cron-5/rtems-source-builder/bare/build/tmp/sb-1001/devel/spike/home/joel/rtems-cron-5/tools/5/bin/dtc
>> Failed to run /home/joel/rtems-cron-5/rtems-source-builder/bare/build/tmp/sb-1001/devel/spike/home/joel/rtems-cron-5/tools/5/bin/dtc:
>
>
> Picking more, its configure.ac script is putting the full path of DTC in config.h. :(
>
> * Path to the device-tree-compiler */
> #define DTC "/home/joel/rtems-work/tools/5/bin/dtc"
>
> This seems horribly stupid. The fix seems to be that it should not have a fully qualified path.
>
> Anyone want to comment on the specific root cause?

autotools

>>>
>>> Any ideas?
>>>
>>> --joel
>
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