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With DYNAMIC_ARCH=0
...
cc -O2 -DSMALL_MATRIX_OPT -DMAX_STACK_ALLOC=2048 -DEXPRECISION -m128bit-long-double -Wall -m64 -DF_INTERFACE_GFORT -fPIC -DSMP_SERVER -DNO_WARMUP -DMAX_CPU_NUMBER=22 -DMAX_PARALLEL_NUMBER=1 -DBUILD_DOUBLE=1 -DVERSION=\"0.3.31\" -msse3 -mssse3 -msse4.1 -UASMNAME -UASMFNAME -UNAME -UCNAME -UCHAR_NAME -UCHAR_CNAME -DASMNAME= -DASMFNAME=_ -DNAME=_ -DCNAME= -DCHAR_NAME=\"_\" -DCHAR_CNAME=\"\" -DNO_AFFINITY -I.. -w -o linktest linktest.c ../libopenblas_nehalemp-r0.3.31.so -L/usr/lib/gcc/x86_64-linux-gnu/13 -L/usr/lib/gcc/x86_64-linux-gnu/13/../../../x86_64-linux-gnu -L/usr/lib/gcc/x86_64-linux-gnu/13/../../../../lib -L/lib/x86_64-linux-gnu -L/lib/../lib -L/usr/lib/x86_64-linux-gnu -L/usr/lib/../lib -L/usr/lib/gcc/x86_64-linux-gnu/13/../../.. -lgfortran -lm -lquadmath -lm -lc && echo OK.
/usr/bin/ld: ../libopenblas_nehalemp-r0.3.31.so: undefined reference to `snrm2_'
/usr/bin/ld: ../libopenblas_nehalemp-r0.3.31.so: undefined reference to `slaed4_'
/usr/bin/ld: ../libopenblas_nehalemp-r0.3.31.so: undefined reference to `slacpy_'
/usr/bin/ld: ../libopenblas_nehalemp-r0.3.31.so: undefined reference to `sgemm_'
/usr/bin/ld: ../libopenblas_nehalemp-r0.3.31.so: undefined reference to `scopy_'
/usr/bin/ld: ../libopenblas_nehalemp-r0.3.31.so: undefined reference to `slaset_'
...
With DYNAMIC_ARCH=1
...
cc -c -O2 -DSMALL_MATRIX_OPT -DMAX_STACK_ALLOC=2048 -DEXPRECISION -m128bit-long-double -Wall -m64 -DF_INTERFACE_GFORT -fPIC -DDYNAMIC_ARCH -DSMP_SERVER -DNO_WARMUP -DMAX_CPU_NUMBER=22 -DMAX_PARALLEL_NUMBER=1 -DBUILD_DOUBLE=1 -DVERSION=\"0.3.31\" -UASMNAME -UASMFNAME -UNAME -UCNAME -UCHAR_NAME -UCHAR_CNAME -DASMNAME=sgetrf_parallel -DASMFNAME=sgetrf_parallel_ -DNAME=sgetrf_parallel_ -DCNAME=sgetrf_parallel -DCHAR_NAME=\"sgetrf_parallel_\" -DCHAR_CNAME=\"sgetrf_parallel\" -DNO_AFFINITY -I../.. -UDOUBLE -UCOMPLEX -UDOUBLE -UCOMPLEX -DUNIT getrf_parallel.c -o sgetrf_parallel.o
In file included from ../../common_macro.h:46,
from ../../common.h:854,
from getrf_parallel.c:40:
getrf_parallel.c: In function 'inner_basic_thread':
../../common_s.h:321:45: error: 'gotoblas_t' has no member named 'slaswp_ncopy'; did you mean 'dlaswp_ncopy'?
321 | #define SLASWP_NCOPY gotoblas -> slaswp_ncopy
| ^~~~~~~~~~~~
../../common_macro.h:3108:25: note: in expansion of macro 'SLASWP_NCOPY'
3108 | #define LASWP_NCOPY SLASWP_NCOPY
| ^~~~~~~~~~~~
getrf_parallel.c:140:9: note: in expansion of macro 'LASWP_NCOPY'
140 | LASWP_NCOPY(min_jj, off + 1, off + k,
| ^~~~~~~~~~~
getrf_parallel.c: In function 'inner_advanced_thread':
../../common_s.h:321:45: error: 'gotoblas_t' has no member named 'slaswp_ncopy'; did you mean 'dlaswp_ncopy'?
321 | #define SLASWP_NCOPY gotoblas -> slaswp_ncopy
| ^~~~~~~~~~~~
../../common_macro.h:3108:25: note: in expansion of macro 'SLASWP_NCOPY'
3108 | #define LASWP_NCOPY SLASWP_NCOPY
| ^~~~~~~~~~~~
getrf_parallel.c:280:9: note: in expansion of macro 'LASWP_NCOPY'
280 | LASWP_NCOPY(min_jj, off + 1, off + k,
| ^~~~~~~~~~~
...
Repro Dockerfile
FROM ubuntu:24.04
# Avoid prompts from apt
ENV DEBIAN_FRONTEND=noninteractive
RUN apt-get update && apt-get install -y --no-install-recommends \
ca-certificates \
gcc \
g++ \
gfortran \
make \
git \
&& rm -rf /var/lib/apt/lists/*
# Get the latest OpenBLAS and build it
RUN git clone --depth 1 --branch v0.3.31 https://github.com/OpenMathLib/OpenBLAS.git \
&& cd OpenBLAS \
&& make_flags="DYNAMIC_ARCH=1 FC=gfortran TARGET=NEHALEM BUILD_DOUBLE=1 -j$(nproc)" \
&& make $make_flags \
&& make $make_flags install \
&& cd .. \
&& rm -rf OpenBLASLooks a bit like #3910
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