[Numpy-discussion] numpy trunk build broken on 32-bit ubuntu

Charles R Harris charlesr.harris@gmail....
Tue Aug 26 19:41:44 CDT 2008


On Tue, Aug 26, 2008 at 6:23 PM, Fernando Perez <fperez.net@gmail.com>wrote:

> Howdy,
>
> building numpy from trunk right now (r5708) on a 32-bit ubuntu box gives:
>
> compiling C sources
> C compiler: gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2
> -Wall -Wstrict-prototypes -fPIC
>
> creating build/temp.linux-i686-2.5/build
> creating build/temp.linux-i686-2.5/build/src.linux-i686-2.5
> creating build/temp.linux-i686-2.5/build/src.linux-i686-2.5/numpy
> creating build/temp.linux-i686-2.5/build/src.linux-i686-2.5/numpy/core
> creating build/temp.linux-i686-2.5/build/src.linux-i686-2.5/numpy/core/src
> compile options: '-Ibuild/src.linux-i686-2.5/numpy/core/src
> -Inumpy/core/include
> -Ibuild/src.linux-i686-2.5/numpy/core/include/numpy -Inumpy/core/src
> -Inumpy/core/include -I/usr/include/python2.5 -c'
> gcc: build/src.linux-i686-2.5/numpy/core/src/umathmodule.c
> numpy/core/src/umathmodule.c.src:332: error: static declaration of
> 'trunc' follows non-static declaration
> numpy/core/src/umathmodule.c.src: In function 'trunc':
> numpy/core/src/umathmodule.c.src:333: warning: unused variable 'r'
> numpy/core/src/umathmodule.c.src:333: warning: unused variable 'y'
> numpy/core/src/umathmodule.c.src:332: error: static declaration of
> 'trunc' follows non-static declaration
> numpy/core/src/umathmodule.c.src: In function 'trunc':
> numpy/core/src/umathmodule.c.src:333: warning: unused variable 'r'
> numpy/core/src/umathmodule.c.src:333: warning: unused variable 'y'
> error: Command "gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv
> -O2 -Wall -Wstrict-prototypes -fPIC
> -Ibuild/src.linux-i686-2.5/numpy/core/src -Inumpy/core/include
> -Ibuild/src.linux-i686-2.5/numpy/core/include/numpy -Inumpy/core/src
> -Inumpy/core/include -I/usr/include/python2.5 -c
> build/src.linux-i686-2.5/numpy/core/src/umathmodule.c -o
>
> build/temp.linux-i686-2.5/build/src.linux-i686-2.5/numpy/core/src/umathmodule.o"
> failed with exit status 1
>
>
>
> Notes (Matthew Brett found all of this):
>
> - on 64-bit fedora it builds fine
> - calling a similar test on 32-bit ubuntu with "gcc -std=c99" works.
> Perhaps the build is using something similar...
>
> - Not that I want to blame anyone, but I suspect this has something to
> do with David C's recent checkins:
>
> ------------------------------------------------------------------------
> r5699 | cdavid | 2008-08-25 15:05:29 -0700 (Mon, 25 Aug 2008) | 2 lines
>
> Add a trunc function in umath module.
>
> ------------------------------------------------------------------------
> r5698 | cdavid | 2008-08-25 15:05:21 -0700 (Mon, 25 Aug 2008) | 2 lines
>
> Add pure C trunc function implementations for platform which do not have
> it.
>
>
> as that  is where the errror is coming from.
>

I've been thinking of reverting the changes rather than waiting for David to
get back.

Chuck
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