Fix one more instance of an outdated error message.

git-svn-id: https://svn.dealii.org/trunk@29225 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/source/lac/sparse_direct.cc b/deal.II/source/lac/sparse_direct.cc
index 1328eb20ce4c10c261a6091d019c79aac88dd98b..8099df44d30280d84788bb0e3e6d4771da8d70d1 100644 (file)
--- a/deal.II/source/lac/sparse_direct.cc
+++ b/deal.II/source/lac/sparse_direct.cc
@@ -344,7 +344,7 @@ SparseDirectUMFPACK::clear ()
 template <class Matrix>
 void SparseDirectUMFPACK::factorize (const Matrix &)
 {
-  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."));
 }