OpenBLAS 0.3.8 fails to build with DYNAMIC_ARCH=1 on s390x architecture

[susilehtola]

OpenBLAS 0.3.8 fails to build with DYNAMIC_ARCH=1 on s390x. After addressing the typo in dynamic_zarch.c fixed by #2405, linking fails with

/lib/gcc/s390x-redhat-linux/10/../../..  -lc  
/usr/bin/ld: ../libRblas-r0.3.8.a(dynamic_zarch.o): in function `gotoblas_corename':
/builddir/build/BUILD/openblas-0.3.8/Rblas/driver/others/dynamic_zarch.c:30: undefined reference to `gotoblas_Z15'
/usr/bin/ld: ../libRblas-r0.3.8.a(dynamic_zarch.o): in function `force_coretype':
/builddir/build/BUILD/openblas-0.3.8/Rblas/driver/others/dynamic_zarch.c:81: undefined reference to `gotoblas_Z15'
/usr/bin/ld: ../libRblas-r0.3.8.a(dynamic_zarch.o): in function `gotoblas_corename':
/builddir/build/BUILD/openblas-0.3.8/Rblas/driver/others/dynamic_zarch.c:30: undefined reference to `gotoblas_Z15'
/usr/bin/ld: ../libRblas-r0.3.8.a(dynamic_zarch.o): in function `force_coretype':
/builddir/build/BUILD/openblas-0.3.8/Rblas/driver/others/dynamic_zarch.c:81: undefined reference to `gotoblas_Z15'

[susilehtola]

Looks like there is no Z15 kernel, proposed fix #2407 .

[martin-frbg]

Correct, thanks.