[Numpy-discussion] Cygwin compile: fatal error: fenv/fenv.c

[Matt Miller]

More reading of the thread linked solved the issue. To reiterate, add
numpy/ and change .c to .h in line 590 of ieee754.c.src.

Ex:

 elif defined(__CYGWIN__)
   include "numpy/fenv/fenv.h"
 endif

Thanks,

On Wed, Feb 29, 2012 at 1:41 PM, Matt Miller <mattm184 at gmail.com> wrote:

> That fixed changed my error message to this:
>
> numpy/core/src/private/lowlevel_strided_loops.h:404:1: warning:
> ‘PyArray_PrepareThreeRawArrayIter’ declared ‘static’ but never defined
> numpy/core/src/private/lowlevel_strided_loops.h:430:1: warning:
> ‘PyArray_PrepareFourRawArrayIter’ declared ‘static’ but never defined
> gcc -shared -Wl,--enable-auto-image-base
> build/temp.cygwin-1.7.11-i686-2.6/numpy/core/src/umath/umathmodule_onefile.o
> -L/usr/lib/python2.6/config -Lbuild/temp.cygwin-1.7.11-i686-2.6 -lnpymath
> -lpython2.6 -o build/lib.cygwin-1.7.11-i686-2.6/numpy/core/umath.dll
> build/temp.cygwin-1.7.11-i686-2.6/libnpymath.a(ieee754.o):ieee754.c:(.rdata+0x0):
> multiple definition of `_npy__fe_dfl_env'
> build/temp.cygwin-1.7.11-i686-2.6/numpy/core/src/umath/umathmodule_onefile.o:umathmodule_onefile.c:(.rdata+0x13158):
> first defined here
> collect2: ld returned 1 exit status
> build/temp.cygwin-1.7.11-i686-2.6/libnpymath.a(ieee754.o):ieee754.c:(.rdata+0x0):
> multiple definition of `_npy__fe_dfl_env'
> build/temp.cygwin-1.7.11-i686-2.6/numpy/core/src/umath/umathmodule_onefile.o:umathmodule_onefile.c:(.rdata+0x13158):
> first defined here
> collect2: ld returned 1 exit status
> error: Command "gcc -shared -Wl,--enable-auto-image-base
> build/temp.cygwin-1.7.11-i686-2.6/numpy/core/src/umath/umathmodule_onefile.o
> -L/usr/lib/python2.6/config -Lbuild/temp.cygwin-1.7.11-i686-2.6 -lnpymath
> -lpython2.6 -o build/lib.cygwin-1.7.11-i686-2.6/numpy/core/umath.dll"
> failed with exit status 1
>
>
> Thanks for the quick reply!
>
>
>>
>> > Hi all,
>> >
>> > I am getting the following error when running `python setup.py install`
>> > for Numpy in Cygwin. This error happens on the latest as well as
>> > the maintenance branched for 1.5 and 1.6.
>> >
>>
>> This should fix it: http://projects.scipy.org/numpy/ticket/1944.
>>
>> Can you confirm that that works? Then I'll make the change in master.
>>
>> Ralf
>>
>>
>> > ...
>> > creating build/temp.cygwin-1.7.11-i686-2.6
>> > creating build/temp.cygwin-1.7.11-i686-2.6/build
>> > creating
>> build/temp.cygwin-1.7.11-i686-2.6/build/src.cygwin-1.7.11-i686-2.6
>> > creating
>> > build/temp.cygwin-1.7.11-i686-2.6/build/src.cygwin-1.7.11-i686-2.6/numpy
>> > creating
>> >
>> build/temp.cygwin-1.7.11-i686-2.6/build/src.cygwin-1.7.11-i686-2.6/numpy/core
>> > creating
>> >
>> build/temp.cygwin-1.7.11-i686-2.6/build/src.cygwin-1.7.11-i686-2.6/numpy/core/src
>> > creating
>> >
>> build/temp.cygwin-1.7.11-i686-2.6/build/src.cygwin-1.7.11-i686-2.6/numpy/core/src/npymath
>> > creating build/temp.cygwin-1.7.11-i686-2.6/numpy
>> > creating build/temp.cygwin-1.7.11-i686-2.6/numpy/core
>> > creating build/temp.cygwin-1.7.11-i686-2.6/numpy/core/src
>> > creating build/temp.cygwin-1.7.11-i686-2.6/numpy/core/src/npymath
>> > compile options: '-Inumpy/core/include
>> > -Ibuild/src.cygwin-1.7.11-i686-2.6/numpy/core/include/numpy
>> > -Inumpy/core/src/private -Inumpy/core/src -Inumpy/core
>> > -Inumpy/core/src/npymath -Inumpy/core/src/multiarray
>> -Inumpy/core/src/umath
>> > -Inumpy/core/src/npysort -Inumpy/core/include -I/usr/include/python2.6
>> > -Ibuild/src.cygwin-1.7.11-i686-2.6/numpy/core/src/multiarray
>> > -Ibuild/src.cygwin-1.7.11-i686-2.6/numpy/core/src/umath -c'
>> > gcc: build/src.cygwin-1.7.11-i686-2.6/numpy/core/src/npymath/npy_math.c
>> > gcc: build/src.cygwin-1.7.11-i686-2.6/numpy/core/src/npymath/ieee754.c
>> > numpy/core/src/npymath/ieee754.c.src:590:25: fatal error: fenv/fenv.c:
>> No
>> > such file or directory
>> > compilation terminated.
>> > numpy/core/src/npymath/ieee754.c.src:590:25: fatal error: fenv/fenv.c:
>> No
>> > such file or directory
>> > compilation terminated.
>> > error: Command "gcc -fno-strict-aliasing -g -O2 -pipe -DNDEBUG -g
>> -fwrapv
>> > -O3 -Wall -Wstrict-prototypes -Inumpy/core/include
>> > -Ibuild/src.cygwin-1.7.11-i686-2.6/numpy/core/include/numpy
>> > -Inumpy/core/src/private -Inumpy/core/src -Inumpy/core
>> > -Inumpy/core/src/npymath -Inumpy/core/src/multiarray
>> -Inumpy/core/src/umath
>> > -Inumpy/core/src/npysort -Inumpy/core/include -I/usr/include/python2.6
>> > -Ibuild/src.cygwin-1.7.11-i686-2.6/numpy/core/src/multiarray
>> > -Ibuild/src.cygwin-1.7.11-i686-2.6/numpy/core/src/umath -c
>> > build/src.cygwin-1.7.11-i686-2.6/numpy/core/src/npymath/ieee754.c -o
>> >
>> build/temp.cygwin-1.7.11-i686-2.6/build/src.cygwin-1.7.11-i686-2.6/numpy/core/src/npymath/ieee754.o"
>> > failed with exit status 1
>> >
>> >
>> > Thanks
>> >
>> > _______________________________________________
>> > NumPy-Discussion mailing list
>> > NumPy-Discussion at scipy.org
>> > http://mail.scipy.org/mailman/listinfo/numpy-discussion
>> >
>> >
>>
>>
>
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