From 8651edc42c30ee0c0dd4dd66db978ed3f0190639 Mon Sep 17 00:00:00 2001
From: sebastien <sebastien@ac1d8469-bf42-47a9-8791-bf33cf982152>
Date: Fri, 30 Oct 2009 15:09:12 +0000
Subject: [PATCH] Build system: fix for detection of MEX extension under
 Windows

git-svn-id: https://www.dynare.org/svn/dynare/trunk@3104 ac1d8469-bf42-47a9-8791-bf33cf982152
---
 m4/ax_mexext.m4 | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/m4/ax_mexext.m4 b/m4/ax_mexext.m4
index e4abcc752..9b4e51c8b 100644
--- a/m4/ax_mexext.m4
+++ b/m4/ax_mexext.m4
@@ -33,12 +33,12 @@ AC_DEFUN([AX_MEXEXT],
 [dnl
 AC_PREREQ([2.50])
 AC_REQUIRE([AX_MATLAB])
-AC_REQUIRE([AC_CANONICAL_HOST])
+AC_REQUIRE([AC_CANONICAL_BUILD])
 AC_CACHE_CHECK([for MEX-file suffix], [ax_cv_mexext],
 [if test "${MEXEXT+set}" = set ; then
     ax_cv_mexext="$MEXEXT"
 else
-    case $host_os in
+    case $build_os in
       *cygwin*)
         ax_cv_mexext=`$MATLAB/bin/mexext.bat | sed 's/\r//'`
         ;;