configure/make with multiple jobs error?

[Gedare Bloom]

On Wed, May 30, 2018 at 12:15 PM, Gedare Bloom <gedare at rtems.org> wrote:
> On Wed, May 30, 2018 at 12:10 PM, Gedare Bloom <gedare at rtems.org> wrote:
>> Hello all,
>>
>> I got a strange error just now with a fresh toolchain and current master.
>>
>> I did:
>> $ ../../rtems/configure --target=sparc-rtems5 --enable-rtemsbsp=erc32
>> --enable-tests
>> This was OK.
>>
>> $ make -j4
>> This errored out with:
>> checking for gawk... gawk
>> checking whether make sets $(MAKE)... yes
>> checking whether to enable maintainer-specific portions of Makefiles... no
>> checking for RTEMS_BSP... erc32
>> checking for perl... /usr/bin/perl
>> configure: error: Invalid BSP
>> configure: error:
>> ../../../../../../../../rtems/c/src/lib/libbsp/sparc/configure failed
>> for lib/libbsp/sparc
>> Makefile:731: recipe for target 'erc32' failed
>> make[2]: *** [erc32] Error 1
>> make[2]: Leaving directory '/media/gedare/Seagate Expansion
>> Drive/work/rtems/builds/b-erc32-5/sparc-rtems5/c'
>> Makefile:289: recipe for target 'all-recursive' failed
>> make[1]: *** [all-recursive] Error 1
>> make[1]: Leaving directory '/media/gedare/Seagate Expansion
>> Drive/work/rtems/builds/b-erc32-5/sparc-rtems5/c'
>> Makefile:414: recipe for target 'all-recursive' failed
>> make: *** [all-recursive] Error 1
>>

This error about Invalid BSP still occurs for me with a cleaned local
repo where I removed all the old files/directories. Maybe I missed a
change in developer workflow, but I think I am tripped a concurrency
bug in configure script still, because 'make' proceeds....

>> $ make
>> This works.
>>
>
> Actually, this did not work all the way, it broke later. I think I
> have leftover files/directories in my libbsp (I haven't built since
> the cleanup/move was done) that could be causing me problems. I'll
> report back in a bit after I clean this stuff out.
>

But I still get an error eventually here, too:
make[4]: Entering directory '/media/gedare/Seagate Expansion
Drive/work/rtems/builds/b-erc32-5/sparc-rtems5/c/erc32/lib/libbsp'
Making all-am in .
Making all-am in sparc
make[5]: Entering directory '/media/gedare/Seagate Expansion
Drive/work/rtems/builds/b-erc32-5/sparc-rtems5/c/erc32/lib/libbsp/sparc'
make[5]: *** No rule to make target 'all-am'.  Stop.
make[5]: Leaving directory '/media/gedare/Seagate Expansion
Drive/work/rtems/builds/b-erc32-5/sparc-rtems5/c/erc32/lib/libbsp/sparc'
Makefile:656: recipe for target 'sparc' failed
make[4]: *** [sparc] Error 2

>> I guess there is something broken in the configure script under
>> concurrent threads. Ideas?
>>
>> Gedare