From 872bd77dda95ff67340588ee5b5653a9f289d369 Mon Sep 17 00:00:00 2001
From: Simon Marlow <marlowsd@gmail.com>
Date: Mon, 20 Jul 2009 14:50:53 +0000
Subject: [PATCH] remove unused $(HscIfaceFileVersion)

---
 compiler/ghc.mk           |    2 --
 compiler/main/DynFlags.hs |    1 -
 mk/config.mk.in           |   19 -------------------
 3 files changed, 22 deletions(-)

diff --git a/compiler/ghc.mk b/compiler/ghc.mk
index 400b6b3..4a042cb 100644
--- a/compiler/ghc.mk
+++ b/compiler/ghc.mk
@@ -51,8 +51,6 @@ $(compiler_CONFIG_HS) : mk/config.mk mk/project.mk
 	@echo "cBooterVersion        = \"$(GhcVersion)\"" >> $@
 	@echo "cStage                :: String" >> $@
 	@echo "cStage                = show (STAGE :: Int)" >> $@
-	@echo "cHscIfaceFileVersion  :: String" >> $@
-	@echo "cHscIfaceFileVersion  = \"$(HscIfaceFileVersion)\"" >> $@
 	@echo "cSplitObjs            :: String" >> $@
 	@echo "cSplitObjs            = \"$(SupportsSplitObjs)\"" >> $@
 	@echo "cGhcWithInterpreter   :: String" >> $@
diff --git a/compiler/main/DynFlags.hs b/compiler/main/DynFlags.hs
index 20ac77e..17dc60c 100644
--- a/compiler/main/DynFlags.hs
+++ b/compiler/main/DynFlags.hs
@@ -2366,7 +2366,6 @@ compilerInfo = [("Project name",                String cProjectName),
                 ("Project version",             String cProjectVersion),
                 ("Booter version",              String cBooterVersion),
                 ("Stage",                       String cStage),
-                ("Interface file version",      String cHscIfaceFileVersion),
                 ("Have interpreter",            String cGhcWithInterpreter),
                 ("Object splitting",            String cSplitObjs),
                 ("Have native code generator",  String cGhcWithNativeCodeGen),
diff --git a/mk/config.mk.in b/mk/config.mk.in
index ac00599..8c33bb2 100644
--- a/mk/config.mk.in
+++ b/mk/config.mk.in
@@ -205,25 +205,6 @@ BeConservative = NO
 BuildingParallel=$(subst mp,YES,$(filter mp,$(WAYS)))
 BuildingGranSim=$(subst mg,YES,$(filter mg,$(WAYS)))
 
-# Interface file version (hi-boot files only)
-#
-# A GHC built with HscIfaceFileVersion=n will look for 
-#	M.hi-boot-n, and only then for 
-#	M.hi-boot.
-# (It'll be happy with the latter if the former doesn't exist.)
-#
-#
-# This variable is used ONLY for hi-boot files.  Its only purpose is
-# to allow you to have a single directory with multiple .hi-boot files
-# for the same module, each corresponding to a different version of
-# GHC.
-#
-# HscIfaceFileVersion is propagated to hsc via
-# compiler/main/Config.hs, which is automatically generated by
-# compiler/Makefile.
-
-HscIfaceFileVersion=6
-
 #------------------------------------------------------------------------------
 # Options for Libraries
 
-- 
1.7.10.4