From: Ian Lynagh <igloo@earth.li>
Date: Wed, 9 Dec 2009 13:19:17 +0000 (+0000)
Subject: Add a comment about why $(CPP) is defined the way it is in config.mk.in
X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=commitdiff_plain;h=e6fb8c9e66351ea240a3b4eb36c40e4c42b91da5

Add a comment about why $(CPP) is defined the way it is in config.mk.in
---

diff --git a/mk/config.mk.in b/mk/config.mk.in
index a400af9..b436235 100644
--- a/mk/config.mk.in
+++ b/mk/config.mk.in
@@ -569,6 +569,8 @@ BASH                    = /usr/local/bin/bash
 
 CONTEXT_DIFF		= @ContextDiffCmd@
 CP			= cp
+# It's not easy to separate the CPP program from its flags, as
+# AC_PROG_CPP defines CPP as "/usr/bin/gcc -E"
 CPP			= @CPP@ @CPPFLAGS@
 CTAGS 			= $(ETAGS)
 #