[MacPorts] #57912: OpenBLAS compilation fails on iMac Pro MacOS 10.13

[MacPorts]

#57912: OpenBLAS compilation fails on iMac Pro MacOS 10.13
-------------------------+-------------------------
  Reporter:  EJFielding  |      Owner:  NicosPavlov
      Type:  defect      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.5.4
Resolution:              |   Keywords:
      Port:  OpenBLAS    |
-------------------------+-------------------------

Comment (by EJFielding):

 On my iMac Pro (8 cores), I get this output from the sysctl -A:

 {{{
 hw.optional.avx1_0: 1
 hw.optional.avx2_0: 1
 hw.optional.avx512f: 1
 hw.optional.avx512cd: 1
 hw.optional.avx512dq: 1
 hw.optional.avx512bw: 1
 hw.optional.avx512vl: 1
 hw.optional.avx512ifma: 0
 hw.optional.avx512vbmi: 0
 machdep.cpu.features: FPU VME DE PSE TSC MSR PAE MCE CX8 APIC SEP MTRR PGE
 MCA CMOV PAT PSE36 CLFSH DS ACPI MMX FXSR SSE SSE2 SS HTT TM PBE SSE3
 PCLMULQDQ DTES64 MON DSCPL VMX SMX EST TM2 SSSE3 FMA CX16 TPR PDCM SSE4.1
 SSE4.2 x2APIC MOVBE POPCNT AES PCID XSAVE OSXSAVE SEGLIM64 TSCTMR AVX1.0
 RDRAND F16C
 machdep.cpu.leaf7_features: SMEP ERMS RDWRFSGS TSC_THREAD_OFFSET BMI1 HLE
 AVX2 BMI2 INVPCID RTM SMAP RDSEED ADX IPT AVX512F AVX512CD AVX512DQ
 AVX512BW AVX512VL PQM FPU_CSDS MPX PQE CLFSOPT
 }}}

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Ticket URL: <https://trac.macports.org/ticket/57912#comment:8>
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