<dd><p>Select a target-specific underlying std::allocator. The
choices are 'new' to specify a wrapper for new, 'malloc' to
specify a wrapper for malloc, 'mt' for a fixed power of two allocator
- (<a href="ext/mt_allocator.html">documented</a> under extensions) or
- 'bitmap' for a bitmap allocator. This option can change the
- library ABI.
+ (<a href="ext/mt_allocator.html">documented</a> under extensions),
+ 'pool' for the SGI pooled allocator or 'bitmap' for a bitmap allocator.
+ This option can change the library ABI.
</p>
</dd>