From 48cd86c2e323371d7ab0336c17497a67c6aacc90 Mon Sep 17 00:00:00 2001
From: bangerth <bangerth@0785d39b-7218-0410-832d-ea1e28bc413d>
Date: Sun, 17 Mar 2013 16:14:20 +0000
Subject: [PATCH] Update error message.

git-svn-id: https://svn.dealii.org/trunk@28925 0785d39b-7218-0410-832d-ea1e28bc413d
---
 deal.II/source/lac/sparse_direct.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/deal.II/source/lac/sparse_direct.cc b/deal.II/source/lac/sparse_direct.cc
index 316bfc10a4..2b10e88c2d 100644
--- a/deal.II/source/lac/sparse_direct.cc
+++ b/deal.II/source/lac/sparse_direct.cc
@@ -1843,7 +1843,7 @@ void SparseDirectUMFPACK::factorize (const Matrix &)
 void
 SparseDirectUMFPACK::solve (Vector<double> &) const
 {
-  AssertThrow(false, ExcMessage("To call this function you need UMFPACK, but you called ./configure without the necessary --with-umfpack switch."));
+  AssertThrow(false, ExcMessage("To call this function you need UMFPACK, but configured deal.II without passing the necessary switch to 'cmake'. Please consult the installation instructions in doc/readme.html."));
 }
 
 
@@ -1852,7 +1852,7 @@ void
 SparseDirectUMFPACK::solve (const Matrix &,
                             Vector<double> &)
 {
-  AssertThrow(false, ExcMessage("To call this function you need UMFPACK, but you called ./configure without the necessary --with-umfpack switch."));
+  AssertThrow(false, ExcMessage("To call this function you need UMFPACK, but configured deal.II without passing the necessary switch to 'cmake'. Please consult the installation instructions in doc/readme.html."));
 }
 
 
-- 
2.39.5