$NetBSD$

# Non-portable shell feature
--- configure.orig	2013-04-11 13:09:12.000000000 +0000
+++ configure
@@ -6339,7 +6339,7 @@ LDFLAGS="$LDFLAGS $EIGEN_LDFLAGS"
 export LDFLAGS
 export EIGEN_CPPFLAGS
 
-if test "$succeeded" == "yes" ; then
+if test "$succeeded" = "yes" ; then
 
 
 cat >>confdefs.h <<\_ACEOF
@@ -6974,7 +6974,7 @@ case "${host_cpu}-${host_os}" in
   i*86-*linux*)
 	    ext_CFLAGS="-march=i686";;
   i*86-darwin*)
-	CFLAGS="-m64"
+	# CFLAGS="-m64"
 	cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
@@ -7022,7 +7022,7 @@ rm -f conftest.err conftest.$ac_objext c
   *)
     echo "$as_me:$LINENO: checking if gcc accepts -m64" >&5
 echo $ECHO_N "checking if gcc accepts -m64... $ECHO_C" >&6
-    CFLAGS="-m64"
+    # CFLAGS="-m64"
     cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
@@ -7060,7 +7060,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_c
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  ext_CFLAGS="-m64"; echo "$as_me:$LINENO: result: yes" >&5
+  # ext_CFLAGS="-m64";
+echo "$as_me:$LINENO: result: yes" >&5
 echo "${ECHO_T}yes" >&6
 else
   echo "$as_me: failed program was:" >&5