Mention the requirement of dlcompat for MacOS X.

llvm-svn: 14282
diff --git a/llvm/docs/CFEBuildInstrs.html b/llvm/docs/CFEBuildInstrs.html
index cccb726..d94e85e 100644
--- a/llvm/docs/CFEBuildInstrs.html
+++ b/llvm/docs/CFEBuildInstrs.html
@@ -108,8 +108,8 @@
 <li><p>Configure, build, and install the C front-end:</p>
 
 <p>
-<b>Linux/x86:</b> <br>
-<b>MacOS X/PowerPC:</b><br>
+<b>Linux/x86:</b><br>
+<b>MacOS X/PowerPC</b> (requires dlcompat library):
 </p>
 
 <pre>