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-rw-r--r--src/Witness_complex/include/gudhi/Euclidean_witness_complex.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/src/Witness_complex/include/gudhi/Euclidean_witness_complex.h b/src/Witness_complex/include/gudhi/Euclidean_witness_complex.h
index 75ea38e9..21682ec4 100644
--- a/src/Witness_complex/include/gudhi/Euclidean_witness_complex.h
+++ b/src/Witness_complex/include/gudhi/Euclidean_witness_complex.h
@@ -5,6 +5,7 @@
* Copyright (C) 2015 Inria
*
* Modification(s):
+ * - 2019/08 Vincent Rouvreau: Fix issue #10 for CGAL and Eigen3
* - YYYY/MM Author: Description of the modification
*/
@@ -15,11 +16,24 @@
#include <gudhi/Active_witness/Active_witness.h>
#include <gudhi/Kd_tree_search.h>
+#include <CGAL/version.h> // for CGAL_VERSION_NR
+
+#include <Eigen/src/Core/util/Macros.h> // for EIGEN_VERSION_AT_LEAST
+
#include <utility>
#include <vector>
#include <list>
#include <limits>
+// Make compilation fail - required for external projects - https://github.com/GUDHI/gudhi-devel/issues/10
+#if CGAL_VERSION_NR < 1041101000
+# error Alpha_complex_3d is only available for CGAL >= 4.11
+#endif
+
+#if !EIGEN_VERSION_AT_LEAST(3,1,0)
+# error Alpha_complex_3d is only available for Eigen3 >= 3.1.0 installed with CGAL
+#endif
+
namespace Gudhi {
namespace witness_complex {