On Fri, Aug 1, 2014 at 2:43 PM, "C. Bergström" <cbergst...@pathscale.com> wrote:
> I'm not intimately following this issue, but I can get you access to > pathcc/pathCC to see if we work on this as well. I've got an older ekopath 4.0.9 and 4.0.10 install that you gave us a while back when I was setting up some LAPACK testing. The build was fine without this patch so no issues there. It would be nice to get an updated version though going on a nightly dashboard. Let's discuss further off-list. > (C99 doesn't work "correctly" on some of the older linux) So while "c99" > is claimed to be supported - it was in fact broken. SLES10 is one example I > know 1st hand - there are others as well. In this particular case it's a C99 language feature not library or include issue so I wouldn't expect the OS version to matter but I suppose could. We've seen similar issues with trying to use AVX instructions on RHEL5. MAny compilers will detect the CPU as supporting it and try to generate the code but the kernel doesn't support the instructions and will segfault so we need to explicitly disable AVX optimizations on RHEL5. feature/functional tests imho are always preferred vs #if.. > If the "if C99" tests are actually reliable and I could trust that C99 would work then I'd rather since it really bogs down the configure time. That being said though, in this case it seems to not be since __STDC_VERSION__ is getting set to 199901L by the compiler but clearly not all C99 features are working.
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