<p><li> Some architectures have memory alignment constraints. Others
don't have any constraints but go faster if you align things. These
-macros (from <tt>config.h</tt>) tell you which alignment to use
+macros (from <tt>ghcconfig.h</tt>) tell you which alignment to use
<pre>
/* minimum alignment of unsigned int */
#endif
</pre>
-Instead, add an appropriate test to the configure.in script and use
+Instead, add an appropriate test to the configure.ac script and use
the result of that test instead.
<pre>