[SciPy-dev] Cygwin build problems

Jochen Küpper jochen at unc.edu
Sun Apr 7 15:13:28 CDT 2002

On Sun, 7 Apr 2002 14:28:43 -0500 (CDT) pearu  wrote:

pearu> Actually, the needed library path seems to be defined in
pearu> build_ext.finalize_options method in
pearu> distutils/command/build_ext.py.  I have little idea why it is
pearu> not used. But try to uncomment lines
pearu> #67 and #70 in file scipy_distutils/command/build_ext.py.
pearu> I would be then interested to see the resulting linking command,
pearu> whether it will be succesful or not. 

Ok, the link line now is
| g77 -shared build/temp.cygwin-1.3.10-i686-2.2/fortranobject.o build/temp.cygwin-1.3.10-i686-2.2/fblasmodule.o -L/usr/local/lib -L/usr/local/lib -L/usr/lib/python2.2/config -Lbuild/temp.cygwin-1.3.10-i686-2.2 -llapack -lf77blas -lcblas -latlas -lpython2.2 -lc_misc -lcephes -lg2c -o build/lib.cygwin-1.3.10-i686-2.2/scipy/linalg/fblas.dll
which solves the previous problem, but here's  a new one: Many missing
symbols. I'll look into that when I have some more time (probably tomorrow).
| /home/software/programming/numeric/scipy/build/temp.cygwin-1.3.10-i686-2.2/fblasmodule.c:5463: undefined reference to `f2py_stop_clock'
| build/temp.cygwin-1.3.10-i686-2.2/fblasmodule.o: In function `f2py_rout_fblas_chemv':
| /home/software/programming/numeric/scipy/build/temp.cygwin-1.3.10-i686-2.2/fblasmodule.c:5534: undefined reference to `f2py_start_clock'

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