and compile with any thread-safety options required by your compiler.
On some platforms, you may also need to link with <TT>-ldl</tt>
or <TT>-lrt</tt>.
-Looking at threadlibs.c in the GC build directory
+Looking at threadlibs.c in the GC "extra" directory
should give you the appropriate
list if a plain <TT>-lpthread</tt> doesn't work.
</font>