Add note about multilibs. THis should go into the 1.0 release if possible

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9467 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/docs/CFEBuildInstrs.html b/docs/CFEBuildInstrs.html
index 080153fe8ce81cdd4db6e3aca36ab6df91680c88..cf29d856cb474356886c142b0f6b6259ff49eda0 100644 (file)
--- a/docs/CFEBuildInstrs.html
+++ b/docs/CFEBuildInstrs.html
@@ -105,6 +105,11 @@ good GCC hacker.</p>
   <li>No inline assembly for position independent code.  At the LLVM level,
       everything is position independent.</li>
   <li>We handle <tt>.init</tt> and <tt>.fini</tt> differently.</li>
+  <li>You may have to disable multilib support in your target.  Using multilib
+      support causes the GCC compiler driver to add a lot of "<tt>-L</tt>"
+      options to the link line, which do not relate to LLVM and confuse
+      <tt>gccld</tt>.  To disable multilibs, delete any
+      <tt>MULTILIB_OPTIONS</tt> lines from your target files.</li>
   <li>Did we mention that we don't support inline assembly?  You'll probably
       have to add some fixinclude hacks to disable it in the system
       headers.</li>