[SciPy-user] build problem using cygwin

[Pearu Peterson]

On Tue, 14 May 2002, Geza Groma wrote:

> I tried to build scipy from the latest (MAy 13) CVS on a WindowsNT using
> cygwin-1.3.10-1 and gcc-2.95.3-5.
> It succesfully built atlas.3.3.15 and created the complete liblapack.a
> library from LAPACK 3.0. Building of scipy, however,  is stopped at the
> creation of the first dll with the error message below.
> 
> Any idea what is wrong?

No. But google seems to contain lots of messages reporting similar
problems with cygwin. They may be helpful.

> c:\cygwin\bin\gcc.exe -mno-cygwin -mdll -static -s
                         ^^^^^^^^^^ - ?
> build\temp.win32-2.2\Release\fortranobject.o build\temp.win32-2.2\Rel
> ease\fblasmodule.o build\temp.win32-2.2\Release\fblas.def -LC:\Atlaslib
> -LC:\Atlaslib -Lbuild\temp.win32-2.2 -LC:\Python
> 22\libs -Lbuild\temp.win32-2.2
> -Lc:/cygwin/lib/gcc-lib/i686-pc-cygwin/2.95.3-5 -lfblas -llapack
> -lf77blas -lcblas -latla
> s -lpython22 -lc_misc -lcephes -lrootfind -lgcc -lg2c -o
> build\lib.win32-2.2\scipy\linalg\fblas.pyd
> c:/cygwin/lib/gcc-lib/i686-pc-cygwin/2.95.3-5/libg2c.a(s_stop.o)(.text+0x2f):s_stop.c:
> undefined reference to `_impure_ptr'
<snip>

Pearu