[Octave-bug-tracker] [bug #52425] eigs function regresses

[A.R. Burgers]

Follow-up Comment #22, bug #52425 (project octave):

After the recent configure changes for arpack,with the arpack 3.0.1 I had
installed in stdout of configure script:


checking for dseupd in -larpack... yes
checking whether the arpack library works... yes
checking whether the arpack library is free of bugs... no
configure: WARNING: ARPACK library found, but is buggy; upgrade library (>=
v3.3.0) for better results


in config.log


octave_cv_lib_arpack=yes
octave_cv_lib_arpack_ok_1=yes
octave_cv_lib_arpack_ok_2=no


So the detection seems to work as intended.
However during make arpack functions are not found:


CXXLD    src/octave-gui
liboctave/.libs/liboctave.so: undefined reference to `znaupd_'
liboctave/.libs/liboctave.so: undefined reference to `dsaupd_'
liboctave/.libs/liboctave.so: undefined reference to `dnaupd_'
liboctave/.libs/liboctave.so: undefined reference to `zneupd_'
liboctave/.libs/liboctave.so: undefined reference to `dneupd_'
liboctave/.libs/liboctave.so: undefined reference to `dseupd_'


the ARPACK related substitutions in the configure script are empty:


S["ARPACK_LIBS"]=""
S["ARPACK_LDFLAGS"]=""
S["ARPACK_CPPFLAGS"]=""



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