[LLVMdev] Getting LNT to work with non-bash shell

[Justin Bogner]

Jeremy Salwen <jeremysalwen at gmail.com> writes:
> I followed the LNT quickstart guide
> (http://llvm.org/docs/lnt/quickstart.html) on my debian machine, and
> it seems to have a problem running.  When I consult test.log, every
> single test has a section like this
>
>     # Pretend that the reference output was produced instantaneously.
>     cp /home/jeremy/hardware/llvm/test-suite/instant.txt Output/
>     sse.expandfft.out-nat.time
>     /home/jeremy/hardware/llvm/test-suite/DiffOutput.sh "/home/jeremy/hardware
>     /llvm/mysandbox/test-2014-06-24_20-20-59/tools/fpcmp  -r 0.016" simple
>     sse.expandfft
>     rm -f Output/sse.expandfft.exe-simple
>     cp Output/sse.expandfft.diff-simple Output/sse.expandfft.exe-simple
>     /bin/sh: 7: test: 0: unexpected operator
>     if test -f Output/sse.expandfft.extra-results.txt; then \
>           /home/jeremy/hardware/llvm/test-suite/ParseMultipleResults /home/
>     jeremy/hardware/llvm/mysandbox/test-2014-06-24_20-20-59/SingleSource/
>     UnitTests/Vector/SSE/sse.expandfft Output/sse.expandfft.extra-results.txt
>     >> Output/sse.expandfft.simple.exec.report.txt; \
>         fi
>     cat Output/sse.expandfft.simple.compile.report.txt Output/
>     sse.expandfft.simple.exec.report.txt >> Output/
>     sse.expandfft.simple.report.txt
>
> Notice the line "/bin/sh: 7: test: 0: unexpected operator".
>
> Although I don't understand how the LNT infrastructure works exactly, I'm
> pretty sure that this is an error due to the difference between bash and dash,
> the default /bin/sh on debian.  When I tried running one of the make commands
> that LNT runs with the additional option SHELL=/bin/bash I got similar output,
> but without the error.  I'm not sure what bash specific features are being
> used.

Looks like TEST.simple.Makefile is using the == operator, which isn't
POSIX. Does the attached patch to the test-suite help?

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