On Dec 27, 2007 9:54 AM, mabshoff
<[EMAIL PROTECTED]> wrote:
>
>
>
> On Dec 27, 4:39 pm, "Kate Minola" <[EMAIL PROTECTED]> wrote:
>
> Hi Kate,
>
> > When I build sage-2.9.1.1 from source on the architectures
> > of interest to me, I get an error when building
> >
> > mpfi-1.3.4-cvs20071125.p2
> >
> > gcc -fPIC -o test_mpfi test_mpfi.o ../src/.libs/libmpfi.a
> > /home/kate/sage/sage-2.9.1.1-x86_64-Linux/local/lib/libmpfr.a -lgmp
> > ../src/.libs/libmpfi.a(mpfi_io.o): In function `mpfi_inp_str':
> > mpfi_io.c:(.text+0x999): undefined reference to `__gmp_get_memory_functions'
> >
> > If I look in sage-2.9.1.1/local/lib, I notice that mpfr is built statically,
> > but gmp is not. (Is there a good reason for this?)
>
> Default policy is to build all libraries dynamically so that we do not
> need to recompile loads of dependencies. What you encounter is a bug
> in mpfi.
>
> > If I change
> > the line in gmp-4.2.1.p12/spkg-install from
> >
> > SAGE_CONF_OPTS="--enable-shared --disable-static"
> >
> > to
> > SAGE_CONF_OPTS="--enable-shared"
> >
> > then gmp builds a static version.
> >
> > If I then change mpfi-1.3.4-cvs20071125.p2/spkg-install
> > from
> >
> > ./configure --prefix="$SAGE_LOCAL" --with-mpfr-dir="$SAGE_LOCAL"
> > --with-gmp-incpath="$SAGE_LOCAL"/include CFLAGS="-fPIC"
> >
> > to
> >
> > ./configure --prefix="$SAGE_LOCAL" --with-gmp-dir="$SAGE_LOCAL"
> > --with-mpfr-dir="$SAGE_LOCAL" CFLAGS="-fPIC"
> >
> > then mpfi builds fine.
>
> We should add the --with-gmp-dir to the mpfi configure per default and
> also fix the the problem so that a dynamic gmp is accepted.
>
> > I suspect you are NOT seeing this problem because your compile
> > machines have a system gmp installed that is being picked up.
> >
> > Naturally, there may be a better way to fix the problem than
> > I have given.
> >
I've created this trac ticket for this issue:
http://trac.sagemath.org/sage_trac/ticket/1615
and I've made it a *blocker* for sage-2.9.2 (the next Sage release).
William
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