update submodules for GHC.HetMet.GArrow -> Control.GArrow renaming

[ghc-hetmet.git] / HACKING

diff --git a/HACKING b/HACKING
index be9eec2..8ceff18 100644 (file)
--- 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
   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
      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.
      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.