Update readme.html.

diff --git a/doc/readme.html b/doc/readme.html
index aa334ded5e77f098e74293eb2ab06ba554ab657b..1e3af167a4bdedc67ac3fd56ff510b2dce9691d3 100644 (file)
--- a/doc/readme.html
+++ b/doc/readme.html
@@ -54,8 +54,11 @@
 <p>
   <acronym>deal.II</acronym> is mostly developed on Linux using the
   <a href="http://gcc.gnu.org">GCC</a> compiler. However, it is not
-  platform specific and we strive to keep the source code C++ Standard
-  compliant.
+  platform specific and we strive to keep the source code compliant
+  with the <a href="https://www.iso.org/standard/50372.html">C++ 2011
+  Standard</a> (see
+  also <a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2012/n3337.pdf">here</a>
+  for a copy of the C++11 standard).
 </p>
 
 <p>
@@ -63,9 +66,9 @@
   platforms:
 </p>
 <ul>
-  <li>GNU/Linux: GCC version 4.6 or later; Clang version 3.3 or later;
+  <li>GNU/Linux: GCC version 4.8 or later; Clang version 3.3 or later;
   ICC versions 15 or later</li>
-  <li>Mac OS X: GCC version 4.6 or later; Clang version 3.3 or later.
+  <li>Mac OS X: GCC version 4.8 or later; Clang version 3.3 or later.
     Please see the <a href="https://github.com/dealii/dealii/wiki/MacOSX"
     target="_top">deal.II Wiki</a> for installation instructions.</li>
   <li>Windows: experimental support for Visual Studio 2013 and 2015.
@@ -92,7 +95,7 @@
     </p>
     <ul>
       <li>
-        <a href="http://www.cmake.org/" target="_top">CMake</a> version 2.8.8 or later
+        <a href="http://www.cmake.org/" target="_top">CMake</a> version 2.8.12 or later
       </li>
 
       <li>