=== modified file 'configure.ac'
--- configure.ac	2012-04-14 20:28:04 +0000
+++ configure.ac	2012-04-18 04:44:56 +0000
@@ -193,7 +193,11 @@
 dnl Check for OpenMP 
 dnl Replace this with AC_OPENMP once Autoconf 2.62 is widespread
 dnl ******************************
-AX_OPENMP([openmp_ok=yes],[openmp_ok=no])
+openmp_ok=no
+m4_ifdef([AC_OPENMP], [AC_OPENMP], [AX_OPENMP([openmp_ok=yes],[openmp_ok=no])])
+if test "x$ac_cv_prog_cxx_openmp" != "xunsupported" && test "x$ac_cv_prog_cxx_openmp" != "x"; then
+	openmp_ok=yes
+fi
 if test "x$openmp_ok" = "xyes"; then
 	dnl We have it, now set up the flags
 	CXXFLAGS="$CXXFLAGS $OPENMP_CXXFLAGS"