On 08/ 4/10 04:03 AM, François Bissey wrote:
On 8/3/2010 7:34 PM, Dr. David Kirkby wrote:
I think I've discovered something which should be a blocker for 4.5.2.
http://trac.sagemath.org/sage_trac/ticket/9681
Please correct me if I'm mistaken. It would not be the first time I've
been mistaken over dependencies in the spkg/standard/deps file
Thanks very much for noticing this!
To any experts, not necessarily excluding David: Does zn_poly as it's
currently used in Sage depend on NTL?
Not an expert. But it looks like if ntl is not present at configuration time
zn_poly has a fall back. See include/support.h
NTL use is very limited, 2 operations. If NTL is found profile/ntl-profile.c
is used which calls the following ntl headers:
#include<NTL/lzz_pX.h>
#include<NTL/ZZ_pX.h>
I appreciate NTL might not be necessary in general, but the configure script
actually sets the patch to NTL, with:
configure --gmp-prefix="$SAGE_LOCAL" --ntl-prefix="$SAGE_LOCAL" \
--prefix="$SAGE_LOCAL" --cflags="$CFLAGS" --ldflags="$LDFLAGS"
I would think if one sets --ntl-prefix to be "$SAGE_LOCAL", then NTL should be
present.
What I proposed was adding a dependency in spkg/standard/deps file, to ensure
ntl was built before zn_poly.
Dave
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