From cf8bded7aae0673f9275de7948508da3c2b58650 Mon Sep 17 00:00:00 2001
From: Arkaitz Jimenez <arkaitzj@gmail.com>
Date: Wed, 17 Oct 2012 00:12:07 +0200
Subject: [PATCH] Enable configure to detect 32 bit systems on 64 bit kernels

These systems run 32 bit binaries so arch needs to be forced
to 32 bits.
---
 configure | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/configure b/configure
index e67ea3af5f382..40c6acead0efa 100755
--- a/configure
+++ b/configure
@@ -257,6 +257,16 @@ case $CFG_CPUTYPE in
         err "unknown CPU type: $CFG_CPUTYPE"
 esac
 
+# Detect 64 bit linux systems with 32 bit userland and force 32 bit compilation
+if [ $CFG_OSTYPE = unknown-linux-gnu -a $CFG_CPUTYPE = x86_64 ]
+then
+    file -L "$SHELL" | grep -q "x86[_-]64"
+    if [ $? != 0 ]; then
+        CFG_CPUTYPE=i686
+    fi
+fi
+
+
 DEFAULT_HOST_TRIPLE="${CFG_CPUTYPE}-${CFG_OSTYPE}"
 
 CFG_SRC_DIR="$(cd $(dirname $0) && pwd)/"