X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=docs%2Fbuilding%2Fbuilding.xml;h=054b9e85f0ad03cad8b09c3f016dfdee5247270c;hb=fdcf1ffec106b17928d0dfabad4ee7c851500cd2;hp=04cf05e35add036ef252dd14990f6f447b654a19;hpb=4f7abbdceb83d96ac400488a665245a4b67820ba;p=ghc-hetmet.git

diff --git a/docs/building/building.xml b/docs/building/building.xml
index 04cf05e..054b9e8 100644
--- a/docs/building/building.xml
+++ b/docs/building/building.xml
@@ -165,10 +165,15 @@
 	  supported method, and you may encounter difficulties.  Full
 	  instructions are in <xref linkend="sec-porting-ghc"/>.</para>
 
-	  <para>Which version of GHC you need will depend on the
-	  packages you intend to build.  GHC itself will normally
-	  build using one of several older versions of itself - check
-	  the announcement or release notes for details.</para>
+	  <para>GHC can be built using either an earlier released
+	  version of GHC (currently 5.04 and later are supported), or
+	  bootstrapped using a GHC built from exactly the same
+	  sources.  Note that this means you cannot in general build
+	  GHC using an arbitrary development snapshot, or a build from
+	  say last week.  It might work, it might not - we don't
+	  guarantee anything.  To be on the safe side, start your
+	  build using the most recently released stable version of
+	  GHC.</para>
 	</listitem>
       </varlistentry>