Document binutils requirements for coff targets (cygwin / mingw32).

llvm-svn: 95928

llvm/docs/GettingStarted.html

@@ -256,13 +256,13 @@ software you will need.</p>
   <td>Cygwin/Win32</td>
   <td>x86<sup><a href="#pf_1">1</a>,<a href="#pf_8">8</a>,
      <a href="#pf_11">11</a></sup></td>
-  <td>GCC 3.4.X, binutils 2.15</td>
+  <td>GCC 3.4.X, binutils 2.20</td>
 </tr>
 <tr>
   <td>MinGW/Win32</td>
   <td>x86<sup><a href="#pf_1">1</a>,<a href="#pf_6">6</a>,
      <a href="#pf_8">8</a>, <a href="#pf_10">10</a></sup></td>
-  <td>GCC 3.4.X, binutils 2.15</td>
+  <td>GCC 3.4.X, binutils 2.20</td>
 </tr>
 </table>
 
@@ -318,12 +318,8 @@ up</a></li>
 <li><a name="pf_5">The GCC-based C/C++ frontend does not build</a></li>
 <li><a name="pf_6">The port is done using the MSYS shell.</a></li>
 <li><a name="pf_7">Native code generation exists but is not complete.</a></li>
-<li><a name="pf_8">Binutils</a> up to post-2.17 has bug in bfd/cofflink.c
-    preventing LLVM from building correctly. Several workarounds have been
-    introduced into LLVM build system, but the bug can occur anytime in the
-    future. We highly recommend that you rebuild your current binutils with the
-    patch from <a href="http://sourceware.org/bugzilla/show_bug.cgi?id=2659">
-    Binutils bugzilla</a>, if it wasn't already applied.</li>
+<li><a name="pf_8">Binutils 2.20 or later is required to build the assembler
+    generated by LLVM properly.</a></li>
 <li><a name="pf_9">XCode 2.5 and gcc 4.0.1</a> (Apple Build 5370) will trip
     internal LLVM assert messages when compiled for Release at optimization
     levels greater than 0 (i.e., <i>"-O1"</i> and higher).