The L-BFGS-B library in question is now in Debian as liblbfgsb0 and
liblbfgsb-dev.
Removing the relevant source files from scipy/optimize/setup.py and
adding lbfgsb to the list of libraries to link to seems to work fine,
and the relevant tests still pass. I did
- sources = ['lbfgsb.pyf', 'lbfgsb.f', 'linpack.f', 'timer.f']
+ sources = ['lbfgsb.pyf']
+ libs = lapack.setdefault('libraries', [])
+ libs.append('lbfgsb')
+ lapack['libraries'] = libs
which obviously is confusing name-wise, but works.
With this change, one gets rid of an embedded copy of both lbfgsb and
Linpack.
See also #811069.
Best,
Gard
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