diff --git a/.gitattributes b/.gitattributes
index 73b96f7862a..2d93a73505a 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -711,9 +711,12 @@ Installation/config/support/S80-QT3MT -text
 Installation/config/support/S81-QT3ST -text
 Installation/config/support/S82-QT3MSMT -text
 Installation/config/support/S83-QT3MSST -text
-Installation/config/support/S91-TAUCSWIN -text
-Installation/config/support/S92-TAUCS -text
-Installation/config/support/S93-TAUCSFREEBSD -text
+Installation/config/support/S91a-TAUCSWINLAPACK -text
+Installation/config/support/S91b-TAUCSWINATLAS -text
+Installation/config/support/S92a-TAUCSLAPACK -text
+Installation/config/support/S92b-TAUCSATLAS -text
+Installation/config/support/S93a-TAUCSFREEBSDLAPACK -text
+Installation/config/support/S93b-TAUCSFREEBSDATLAS -text
 Installation/config/support/S96-TAUCSDARWIN -text
 Installation/config/support/S98-TAUCSIRIXCC32 -text
 Installation/config/support/S99-TAUCSIRIXCC64 -text
diff --git a/Installation/config/support/S52-BLASIFORTATLAS b/Installation/config/support/S52-BLASIFORTATLAS
index 5e85a3462d9..1ec9d0b4e72 100644
--- a/Installation/config/support/S52-BLASIFORTATLAS
+++ b/Installation/config/support/S52-BLASIFORTATLAS
@@ -4,7 +4,7 @@
 # This configuration has been tested with g++ and icpc.
 
 DESCRIPTION = ATLAS/Intel Fortan/Linux
-PROVIDES = BLAS
+PROVIDES = ATLAS BLAS
 CXXFLAGS = -DCGAL_USE_F2C
 LDFLAGS =
 LIBS = lapack f77blas cblas atlas ifcore imf pthread
diff --git a/Installation/config/support/S53-BLASGCCATLAS b/Installation/config/support/S53-BLASGCCATLAS
index 730334cb2aa..a01e4f3e164 100644
--- a/Installation/config/support/S53-BLASGCCATLAS
+++ b/Installation/config/support/S53-BLASGCCATLAS
@@ -4,7 +4,7 @@
 # This configuration has been tested with g++ and icpc.
 
 DESCRIPTION = ATLAS for gcc
-PROVIDES = BLAS
+PROVIDES = ATLAS BLAS
 CXXFLAGS = -DCGAL_USE_F2C
 LDFLAGS =
 LIBS = lapack f77blas cblas atlas g2c
diff --git a/Installation/config/support/S54-BLASWINATLAS b/Installation/config/support/S54-BLASWINATLAS
index 41bdb7a272e..8b1836bd5a3 100644
--- a/Installation/config/support/S54-BLASWINATLAS
+++ b/Installation/config/support/S54-BLASWINATLAS
@@ -3,7 +3,7 @@
 # Note: this configuration has been tested with VisualC++ 7.1.
 
 DESCRIPTION = ATLAS for MS Windows
-PROVIDES = BLAS
+PROVIDES = ATLAS BLAS
 CXXFLAGS = -DCGAL_USE_F2C
 LDFLAGS =
 LIBS = liblapack libf77blas libcblas libatlas vcf2c
diff --git a/Installation/config/support/S91a-TAUCSWINLAPACK b/Installation/config/support/S91a-TAUCSWINLAPACK
new file mode 100644
index 00000000000..98684f1e03a
--- /dev/null
+++ b/Installation/config/support/S91a-TAUCSWINLAPACK
@@ -0,0 +1,18 @@
+# TAUCS, a Library of Sparse Linear Solvers (http://www.tau.ac.il/~stoledo/taucs/)
+# Note: TAUCS requires either ATLAS or LAPACK for dpotrf() Lapack routine.
+# Note: this configuration has been tested with VisualC++ 7.1.
+
+DESCRIPTION = MS Windows with LAPACK
+PROVIDES = TAUCS
+CXXFLAGS =
+LDFLAGS =
+LIBS = libtaucs libmetis
+REQUIRES = BLAS LAPACK DOLLAR_WINDOWS_COMPILER
+INCOMPATIBLE =
+STDINCLDIRS =
+INCLTHING =
+STDLIBDIRS =
+LIBTHING =
+COMPILETESTFLAGS =
+
+# EOF
diff --git a/Installation/config/support/S91-TAUCSWIN b/Installation/config/support/S91b-TAUCSWINATLAS
similarity index 65%
rename from Installation/config/support/S91-TAUCSWIN
rename to Installation/config/support/S91b-TAUCSWINATLAS
index 0faed11cf42..d9b37898374 100644
--- a/Installation/config/support/S91-TAUCSWIN
+++ b/Installation/config/support/S91b-TAUCSWINATLAS
@@ -1,12 +1,13 @@
 # TAUCS, a Library of Sparse Linear Solvers (http://www.tau.ac.il/~stoledo/taucs/)
+# Note: TAUCS requires either ATLAS or LAPACK for dpotrf() Lapack routine.
 # Note: this configuration has been tested with VisualC++ 7.1.
 
-DESCRIPTION = MS Windows
+DESCRIPTION = MS Windows with ATLAS
 PROVIDES = TAUCS
 CXXFLAGS =
 LDFLAGS =
 LIBS = libtaucs libmetis
-REQUIRES = BLAS DOLLAR_WINDOWS_COMPILER
+REQUIRES = BLAS ATLAS DOLLAR_WINDOWS_COMPILER
 INCOMPATIBLE =
 STDINCLDIRS =
 INCLTHING =
diff --git a/Installation/config/support/S92a-TAUCSLAPACK b/Installation/config/support/S92a-TAUCSLAPACK
new file mode 100644
index 00000000000..d1959ca5fe0
--- /dev/null
+++ b/Installation/config/support/S92a-TAUCSLAPACK
@@ -0,0 +1,18 @@
+# TAUCS, a Library of Sparse Linear Solvers (http://www.tau.ac.il/~stoledo/taucs/)
+# Note: TAUCS requires either ATLAS or LAPACK for dpotrf() Lapack routine.
+# This configuration has been tested with g++, Sun CC and icpc.
+
+DESCRIPTION = Unix with LAPACK
+PROVIDES = TAUCS
+CXXFLAGS =
+LDFLAGS =
+LIBS = taucs metis
+REQUIRES = BLAS LAPACK
+INCOMPATIBLE = DOLLAR_WINDOWS_COMPILER
+STDINCLDIRS =
+INCLTHING =
+STDLIBDIRS =
+LIBTHING =
+COMPILETESTFLAGS =
+
+# EOF
diff --git a/Installation/config/support/S92-TAUCS b/Installation/config/support/S92b-TAUCSATLAS
similarity index 53%
rename from Installation/config/support/S92-TAUCS
rename to Installation/config/support/S92b-TAUCSATLAS
index 9525fc6df25..78d750f45d3 100644
--- a/Installation/config/support/S92-TAUCS
+++ b/Installation/config/support/S92b-TAUCSATLAS
@@ -1,16 +1,18 @@
 # TAUCS, a Library of Sparse Linear Solvers (http://www.tau.ac.il/~stoledo/taucs/)
+# Note: TAUCS requires either ATLAS or LAPACK for dpotrf() Lapack routine.
+# This configuration has been tested with g++, Sun CC and icpc.
 
-DESCRIPTION = Unix
+DESCRIPTION = Unix with ATLAS
 PROVIDES = TAUCS
 CXXFLAGS =
 LDFLAGS =
 LIBS = taucs metis
-REQUIRES = BLAS
+REQUIRES = BLAS ATLAS
 INCOMPATIBLE = DOLLAR_WINDOWS_COMPILER
 STDINCLDIRS =
 INCLTHING =
 STDLIBDIRS =
 LIBTHING =
-COMPILETESTFLAGS = 
+COMPILETESTFLAGS =
 
 # EOF
diff --git a/Installation/config/support/S93a-TAUCSFREEBSDLAPACK b/Installation/config/support/S93a-TAUCSFREEBSDLAPACK
new file mode 100644
index 00000000000..1c148f3107a
--- /dev/null
+++ b/Installation/config/support/S93a-TAUCSFREEBSDLAPACK
@@ -0,0 +1,19 @@
+# TAUCS, a Library of Sparse Linear Solvers (http://www.tau.ac.il/~stoledo/taucs/)
+# FreeBSD requires compat library for ftime().
+# Note: TAUCS requires either ATLAS or LAPACK for dpotrf() Lapack routine.
+# This configuration has *not* been tested.
+
+DESCRIPTION = FreeBSD with LAPACK
+PROVIDES = TAUCS
+CXXFLAGS =
+LDFLAGS =
+LIBS = taucs metis compat
+REQUIRES = BLAS LAPACK
+INCOMPATIBLE = DOLLAR_WINDOWS_COMPILER
+STDINCLDIRS =
+INCLTHING =
+STDLIBDIRS =
+LIBTHING =
+COMPILETESTFLAGS =
+
+# EOF
diff --git a/Installation/config/support/S93-TAUCSFREEBSD b/Installation/config/support/S93b-TAUCSFREEBSDATLAS
similarity index 54%
rename from Installation/config/support/S93-TAUCSFREEBSD
rename to Installation/config/support/S93b-TAUCSFREEBSDATLAS
index fdcbb35909b..cd8c98f8456 100644
--- a/Installation/config/support/S93-TAUCSFREEBSD
+++ b/Installation/config/support/S93b-TAUCSFREEBSDATLAS
@@ -1,12 +1,14 @@
 # TAUCS, a Library of Sparse Linear Solvers (http://www.tau.ac.il/~stoledo/taucs/)
-# FreeBSD requires compat library for ftime()
+# FreeBSD requires compat library for ftime().
+# Note: TAUCS requires either ATLAS or LAPACK for dpotrf() Lapack routine.
+# This configuration has *not* been tested.
 
-DESCRIPTION = FreeBSD
+DESCRIPTION = FreeBSD with ATLAS
 PROVIDES = TAUCS
 CXXFLAGS =
 LDFLAGS =
 LIBS = taucs metis compat
-REQUIRES = BLAS
+REQUIRES = BLAS ATLAS
 INCOMPATIBLE = DOLLAR_WINDOWS_COMPILER
 STDINCLDIRS =
 INCLTHING =
diff --git a/Installation/config/support/S96-TAUCSDARWIN b/Installation/config/support/S96-TAUCSDARWIN
index 0b25452bebe..4f7fbeba18e 100644
--- a/Installation/config/support/S96-TAUCSDARWIN
+++ b/Installation/config/support/S96-TAUCSDARWIN
@@ -1,13 +1,15 @@
 # TAUCS, a Library of Sparse Linear Solvers (http://www.tau.ac.il/~stoledo/taucs/)
-# MacOSX requires crypto library for ftime()
+# MacOSX requires crypto library for ftime().
+# Note: TAUCS requires either ATLAS or LAPACK for dpotrf() Lapack routine.
+# This configuration has *not* been tested.
 
 DESCRIPTION = MacOSX
 PROVIDES = TAUCS
 CXXFLAGS =
 LDFLAGS =
 LIBS = taucs metis crypto
-REQUIRES = BLAS DOLLAR_DARWIN_COMPILER
-INCOMPATIBLE = 
+REQUIRES = BLAS LAPACK DOLLAR_DARWIN_COMPILER
+INCOMPATIBLE =
 STDINCLDIRS =
 INCLTHING =
 STDLIBDIRS =
diff --git a/Installation/config/support/S98-TAUCSIRIXCC32 b/Installation/config/support/S98-TAUCSIRIXCC32
index 81c667b9880..9a05cc21962 100644
--- a/Installation/config/support/S98-TAUCSIRIXCC32
+++ b/Installation/config/support/S98-TAUCSIRIXCC32
@@ -1,4 +1,5 @@
 # TAUCS, a Library of Sparse Linear Solvers (http://www.tau.ac.il/~stoledo/taucs/)
+# Note: TAUCS requires either ATLAS or LAPACK for dpotrf() Lapack routine.
 # This configuration has *not* been tested.
 
 DESCRIPTION = TAUCS for IRIX 32 bits
@@ -6,12 +7,12 @@ PROVIDES = TAUCS
 CXXFLAGS =
 LDFLAGS =
 LIBS = taucs metis32
-REQUIRES = BLAS
+REQUIRES = BLAS LAPACK
 INCOMPATIBLE = DOLLAR_WINDOWS_COMPILER
 STDINCLDIRS =
 INCLTHING =
 STDLIBDIRS =
 LIBTHING =
-COMPILETESTFLAGS = 
+COMPILETESTFLAGS =
 
 # EOF
diff --git a/Installation/config/support/S99-TAUCSIRIXCC64 b/Installation/config/support/S99-TAUCSIRIXCC64
index bf7990a3387..df0632a3b0f 100644
--- a/Installation/config/support/S99-TAUCSIRIXCC64
+++ b/Installation/config/support/S99-TAUCSIRIXCC64
@@ -1,4 +1,5 @@
 # TAUCS, a Library of Sparse Linear Solvers (http://www.tau.ac.il/~stoledo/taucs/)
+# Note: TAUCS requires either ATLAS or LAPACK for dpotrf() Lapack routine.
 # This configuration has *not* been tested.
 
 DESCRIPTION = TAUCS for IRIX 64 bits
@@ -6,12 +7,12 @@ PROVIDES = TAUCS
 CXXFLAGS =
 LDFLAGS =
 LIBS = taucs metis64
-REQUIRES = BLAS
+REQUIRES = BLAS LAPACK
 INCOMPATIBLE = DOLLAR_WINDOWS_COMPILER
 STDINCLDIRS =
 INCLTHING =
 STDLIBDIRS =
 LIBTHING =
-COMPILETESTFLAGS = 
+COMPILETESTFLAGS =
 
 # EOF
diff --git a/Installation/config/support/test_ATLAS.cpp b/Installation/config/support/test_ATLAS.cpp
new file mode 100644
index 00000000000..66d0960d7d1
--- /dev/null
+++ b/Installation/config/support/test_ATLAS.cpp
@@ -0,0 +1,46 @@
+// Copyright (c) 2007  INRIA Sophia-Antipolis (France).
+// All rights reserved.
+//
+// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public License as
+// published by the Free Software Foundation; version 2.1 of the License.
+// See the file LICENSE.LGPL distributed with CGAL.
+//
+// Licensees holding a valid commercial license may use this file in
+// accordance with the commercial license agreement provided with the software.
+//
+// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+//
+// $URL$
+// $Id$
+//
+// Author(s)     : Laurent Saboret
+
+// Test if the LAPACK subset in ATLAS is available
+
+
+#include <iostream>
+
+extern "C" {
+    // Fortran interface taken from ATLAS/interfaces/lapack/F77/src/dpotrf.f
+    extern void dpotrf_(char *uplo, int *n, double *a, int *lda, int *info);
+}
+
+
+int main()
+{
+    // Call dpotrf_() Lapack routine (Cholesky factorization)
+    int sn_size = 0;
+    int lda = 1;
+    int info;
+    dpotrf_((char*)"LOWER",
+            &sn_size,
+            NULL,
+            &lda,
+            &info);
+
+    std::cout << "ok for ATLAS" << std::endl;
+
+    return 0;
+}