[Numpy-discussion] Warnings and errors while building numpy 1.6.2 on 64 bit system

Charles R Harris charlesr.harris@gmail....
Thu Jul 26 20:21:44 CDT 2012


On Thu, Jul 26, 2012 at 2:29 PM, Prakash Joshi <pjoshi@numenta.com> wrote:

> Hi All,
>
> I am building numpy 1.6.2 on 64 bit Mac OSX/CentOS and I found many
> warnings and errors of similar kind, however the numpy passes all the
> tests.
> Please let me know if I can consider this build as good?
>
>
> llvm-gcc-4.2: _configtest.c
>
> _configtest.c:5: error: size of array Œtest_array¹ is negative
>
> _configtest.c:1:20: error: endian.h: No such file or directory
>
> _configtest.c:7: error: ŒSIZEOF_LONGDOUBLE¹ undeclared (first use in this
> function)
>
>
> _configtest.c:1: warning: conflicting types for built-in function Œexp¹
>
>
> numpy/core/src/npymath/ieee754.c.src:260: warning: implicit conversion
> shortens 64-bit value into a 32-bit value
>
> _configtest.c:5: warning: function declaration isn¹t a prototype
>
> _configtest.c:4: warning: conflicting types for built-in function Œfabs¹
>
> _configtest.c:8: warning: control reaches end of non-void function
>
>
You can ignore all the _configtest.c warnings, they result from numpy
running configuration tests to figure out what the system looks like.


> numpy/core/src/umath/loops.c.src:1403: warning: ŒFLOAT_ldexp_long¹ defined
> but not used
>
> numpy/core/src/private/lowlevel_strided_loops.h:36: warning:
> ŒPyArray_FreeStridedTransferData¹ declared Œstatic¹ but never defined
>
>
> numpy/lib/src/_compiled_base.c:120: warning: assignment from incompatible
> pointer type
>
>
Chuck
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