gmp.h</samp>; it should give you
the default compiler options (from <samp>gmp.h</samp>).</p>

<p>See also the answer to the <a href="#undef_ref1">next question</a>.</p></dd>

<dt id="undef_ref1">4. I get undefined reference to <code>__gmp_get_memory_functions</code>.</dt>

<dd><p>Note: this was mainly a problem when upgrading from
<cite><acronym>GMP</acronym></cite> 4.1.4 to a later version,
but information given below may still be useful in other cases,
when several <cite><acronym>GMP</acronym></cite> libr