From 1689074d4fd94acb364727078903e31ca431b193 Mon Sep 17 00:00:00 2001
From: Roland Kaufmann <roland.kaufmann@uni.no>
Date: Sun, 14 Oct 2012 21:43:11 +0200
Subject: [PATCH] Abort build process if BLAS or LAPACK not found

---
 m4/opm_lapack.m4 | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/m4/opm_lapack.m4 b/m4/opm_lapack.m4
index b5fa5ca5..083ecf0b 100644
--- a/m4/opm_lapack.m4
+++ b/m4/opm_lapack.m4
@@ -1,4 +1,7 @@
 AC_DEFUN([OPM_LAPACK],
 [AC_REQUIRE([AC_F77_WRAPPERS])dnl
  AC_REQUIRE([AX_LAPACK])dnl
+ if test x"$ax_lapack_ok" != xyes; then
+ 	AC_MSG_ERROR([BLAS/LAPACK required, but not found.])
+ fi
 ])[]dnl