Issues with compiler flags in gfortran
jonesc at hep.phy.cam.ac.uk
Mon Jan 21 15:23:06 UTC 2019
What exactly version (and variants) of cctools do you have installed ?
Perhaps try force removing it, then reinstall, to make sure you are using the current default variants.
> On 21 Jan 2019, at 2:47 pm, Nicolas Pavillon <nicos at macports.org> wrote:
> I stumbled on some issues with the fortran compiler that I cannot really understand. They might be linked with other topics discussed recently about cctools, but it still seems somewhat different.
> This happens with the port OpenBLAS, where the compilation fails when flags to compile AVX instructions yield errors during compilation, as described in the following tickets:
> However, when I tried even more basic flags such as -march=native, compilation also fails with errors such as
> /var/folders/x8/q7j02h4d661_p7cjh42_jh380000gn/T//ccqkNy6A.s:103:no such instruction: `vxorps %xmm0, %xmm0,%xmm0'
> I then tried with another gfortran compiler outside of macports, and it could compile without any issue if I remove macports’ prefix from the path, which seems to indicate that the issue is coming from the assembler in macports.
> My best guess is that as in cctools is too old, but I am not sure about that. Also, if it is correct, I wonder how this could be solved. Any ideas?
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