Document minimum compiler requirements for 2.1 branch.

diff --git a/doc/install.html b/doc/install.html
index d9404b0e60fdf4bfa70bb376b142842c47eaf3ea..a4cc7215126a2c8f25219c74eb385b3b55d7cea3 100644 (file)
--- a/doc/install.html
+++ b/doc/install.html
@@ -114,14 +114,14 @@ operating systems, CPUs and compilers:
 </tr>
 <tr class="odd separate">
 <td class="compatcpu">x86 (32 bit)</td>
-<td class="compatos">GCC 4.x+<br>GCC 3.4</td>
-<td class="compatos">GCC 4.x+<br>GCC 3.4</td>
+<td class="compatos">GCC 4.2+</td>
+<td class="compatos">GCC 4.2+</td>
 <td class="compatos">XCode 5.0+<br>Clang</td>
 <td class="compatos">MSVC, MSVC/EE<br>WinSDK<br>MinGW, Cygwin</td>
 </tr>
 <tr class="even">
 <td class="compatcpu">x64 (64 bit)</td>
-<td class="compatos">GCC 4.x+</td>
+<td class="compatos">GCC 4.2+</td>
 <td class="compatos">ORBIS (<a href="#ps4">PS4</a>)</td>
 <td class="compatos">XCode 5.0+<br>Clang</td>
 <td class="compatos">MSVC + SDK v7.0<br>WinSDK v7.0<br>Durango (<a href="#xboxone">Xbox One</a>)</td>