X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=HACKING;h=8ceff18881a9e246c0435535a99cdbb72dd92a60;hp=be9eec298baae9c57987df325a5766555ec70cd2;hb=e5c3b478b3cd1707cf122833822f44b2ac09b8e9;hpb=f83fe7c3235194287845cff03aa230d78cebd6be

diff --git a/HACKING b/HACKING
index be9eec2..8ceff18 100644
--- a/HACKING
+++ b/HACKING
@@ -21,10 +21,15 @@ The GHC Developer's Wiki
   Quick Start for developers
 
      http://hackage.haskell.org/trac/ghc/wiki/Building/Hacking
-   
+
      This section on the wiki will get you up and running with a
-     serviceable build tree in no time:
-  
+     serviceable build tree in no time.
+
+     Don't skip this!  By default, GHC builds with all optimizations
+     and profiling; most hackers will want a quicker build, so creating
+     a mk/build.mk file and knowing how to rebuild only parts of GHC is
+     very important.
+
      This is part of the "Building GHC" section of the wiki, which
      has more detailed information on GHC's build system should you
      need it.