py310-numpy fails on Rosetta: multiarray/lowlevel_strided_loops failure

[barracuda156]

There are two problems:

1. Usage of -march=native, unsupported on PPC: ​https://github.com/mfem/mfem/issues/216

This can be fixed with a patch or reinplace.

2. This failure:

   error: Command "/opt/local/bin/gcc-mp-12 -Wno-unused-result -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -pipe -Os -arch ppc -isysroot/ -DNPY_INTERNAL_BUILD=1 -DHAVE_NPY_CONFIG_H=1 -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE=1 -D_LARGEFILE64_SOURCE=1 -DHAVE_CBLAS -Ibuild/src.macosx-10.6-ppc-3.10/numpy/core/src/multiarray -Ibuild/src.macosx-10.6-ppc-3.10/numpy/core/src/common -Ibuild/src.macosx-10.6-ppc-3.10/numpy/core/src/umath -Inumpy/core/include -Ibuild/src.macosx-10.6-ppc-3.10/numpy/core/include/numpy -Ibuild/src.macosx-10.6-ppc-3.10/numpy/distutils/include -Ibuild/src.macosx-10.6-ppc-3.10/numpy/core/src/npysort -Inumpy/core/src/common -Inumpy/core/src -Inumpy/core -Inumpy/core/src/npymath -Inumpy/core/src/multiarray -Inumpy/core/src/umath -Inumpy/core/src/npysort -Inumpy/core/src/_simd -I/opt/local/Library/Frameworks/Python.framework/Versions/3.10/include/python3.10 -Ibuild/src.macosx-10.6-ppc-3.10/numpy/core/src/common -Ibuild/src.macosx-10.6-ppc-3.10/numpy/core/src/npymath -c build/src.macosx-10.6-ppc-3.10/numpy/core/src/multiarray/lowlevel_strided_loops.c -o build/temp.macosx-10.6-ppc-cpython-310/build/src.macosx-10.6-ppc-3.10/numpy/core/src/multiarray/lowlevel_strided_loops.o -MMD -MF build/temp.macosx-10.6-ppc-cpython-310/build/src.macosx-10.6-ppc-3.10/numpy/core/src/multiarray/lowlevel_strided_loops.o.d" failed with exit status 1
   

Ticket with upstream: ​https://github.com/numpy/numpy/issues/22072