It does look like "descent_two_isogeny" is what it is failing to
compile, but I really can't help without more information. Is there a
way to get gcc to print out why it's failing?

It occurs to me that this depends on ratpoints, which has some issues
compiling with earlier versions of gcc. What version are you using?

On Mon, Jan 4, 2010 at 3:41 AM, John Cremona <john.crem...@gmail.com> wrote:
> It seems to be failing while compiling the cython code introduced by
> #6583, so perhaps Robert Miller can help?
> ...
>> gcc -fno-strict-aliasing -DNDEBUG -g -fwrapv -O3 -Wall
>> -Wstrict-prototypes -fPIC -I/usr/local/sage/local/include/FLINT/
>> -I/usr/local/sage/local//include
>> -I/usr/local/sage/local//include/csage
>> -I/usr/local/sage/devel//sage/sage/ext
>> -I/usr/local/sage/local/include/python2.6 -c
>> sage/schemes/elliptic_curves/descent_two_isogeny.c -o
>> build/temp.linux-i686-2.6/sage/schemes/elliptic_curves/descent_two_isogeny.o
>> -std=c99 -w
>> error: command 'gcc' failed with exit status 1

-- 
Robert L. Miller
http://www.rlmiller.org/

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