From 0d72999279cf583336416a4c76de769bfc839b97 Mon Sep 17 00:00:00 2001
From: Ian Lynagh <igloo@earth.li>
Date: Fri, 22 Apr 2011 12:56:02 +0100
Subject: [PATCH] Tweak build rules for libffi

We were doing
    echo $(HOSTPLATFORM) | sed 's/i[567]86/i486/g'
but the only x86 value HOSTPLATFORM can have is i386.

We now tell libffi its build platform again, but we now tell it it's
$(BUILDPLATFORM) rather than $(HOSTPLATFORM).
---
 libffi/ghc.mk |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/libffi/ghc.mk b/libffi/ghc.mk
index 2edbc41..1efb8fb 100644
--- a/libffi/ghc.mk
+++ b/libffi/ghc.mk
@@ -34,8 +34,6 @@
 #
 # We use libffi's own configuration stuff.
 
-PLATFORM := $(shell echo $(HOSTPLATFORM) | sed 's/i[567]86/i486/g')
-
 # 2007-07-05
 # Passing
 #     as_ln_s='cp -p'
@@ -125,7 +123,7 @@ $(libffi_STAMP_CONFIGURE):
         "$(SHELL)" configure \
 	          --enable-static=yes \
 	          --enable-shared=$(libffi_EnableShared) \
-	          --host=$(PLATFORM)
+	          --host=$(HOSTPLATFORM) --build=$(BUILDPLATFORM)
 
 	# libffi.so needs to be built with the correct soname.
 	# NOTE: this builds libffi_convience.so with the incorrect
-- 
1.7.10.4