[commit: ghc] wip/nfs-locking: Add comments. (6828f4a)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/ghc

On branch  : wip/nfs-locking
Link       : http://ghc.haskell.org/trac/ghc/changeset/6828f4af2d959e352415f7c6c89dd408e8409dcf/ghc

>---------------------------------------------------------------

commit 6828f4af2d959e352415f7c6c89dd408e8409dcf
Author: Andrey Mokhov <andrey.mokhov at gmail.com>
Date:   Thu May 5 13:07:07 2016 +0100

    Add comments.


>---------------------------------------------------------------

6828f4af2d959e352415f7c6c89dd408e8409dcf
 src/Rules/Libffi.hs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/Rules/Libffi.hs b/src/Rules/Libffi.hs
index 8ca0bfc9..20d5acf 100644
--- a/src/Rules/Libffi.hs
+++ b/src/Rules/Libffi.hs
@@ -97,7 +97,8 @@ libffiRules = do
                 Target libffiContext (Configure libffiBuildPath)
                        [libffiMakefile <.> "in"] [libffiMakefile]
 
-            --runMake libffiBuildPath ["MAKEFLAGS="]
+            -- The old build system did runMake libffiBuildPath ["MAKEFLAGS="]
+            -- TODO: Find out why. It seems redundant, so I removed it.
             runMake libffiBuildPath ["MAKEFLAGS=", "install"]
 
             let ffiHDir = libffiBuildPath -/- "inst/lib" -/- libname -/- "include"