From 2cd8a74b2d380e9c01efb922b57c9293738adbda Mon Sep 17 00:00:00 2001
From: Brian Carlstrom <bdc@google.com>
Date: Fri, 20 Mar 2015 11:39:00 -0700
Subject: [PATCH] Clearly explain that 32-bit x86 is not supported

Change-Id: I7f352fae8fa3742c61dc74e20aacd32254451bce
---
 core/envsetup.mk | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/core/envsetup.mk b/core/envsetup.mk
index 43774eac2..75391e1d5 100644
--- a/core/envsetup.mk
+++ b/core/envsetup.mk
@@ -72,6 +72,10 @@ ifneq (,$(findstring x86_64,$(UNAME)))
   HOST_ARCH := x86_64
   HOST_2ND_ARCH := x86
   HOST_IS_64_BIT := true
+else
+ifneq (,$(findstring x86,$(UNAME)))
+$(error Building on a 32-bit x86 host is not supported: $(UNAME)!)
+endif
 endif
 
 BUILD_ARCH := $(HOST_ARCH)