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-rw-r--r--Eigen/src/Core/util/MKL_support.h19
1 files changed, 18 insertions, 1 deletions
diff --git a/Eigen/src/Core/util/MKL_support.h b/Eigen/src/Core/util/MKL_support.h
index 1e6e355d6..8acca9c8c 100644
--- a/Eigen/src/Core/util/MKL_support.h
+++ b/Eigen/src/Core/util/MKL_support.h
@@ -54,8 +54,25 @@
#endif
#if defined EIGEN_USE_MKL
+# include <mkl.h>
+/*Check IMKL version for compatibility: < 10.3 is not usable with Eigen*/
+# ifndef INTEL_MKL_VERSION
+# undef EIGEN_USE_MKL /* INTEL_MKL_VERSION is not even defined on older versions */
+# elif INTEL_MKL_VERSION < 100305 /* the intel-mkl-103-release-notes say this was when the lapacke.h interface was added*/
+# undef EIGEN_USE_MKL
+# endif
+# ifndef EIGEN_USE_MKL
+ /*If the MKL version is too old, undef everything*/
+# undef EIGEN_USE_MKL_ALL
+# undef EIGEN_USE_BLAS
+# undef EIGEN_USE_LAPACKE
+# undef EIGEN_USE_MKL_VML
+# undef EIGEN_USE_LAPACKE_STRICT
+# undef EIGEN_USE_LAPACKE
+# endif
+#endif
-#include <mkl.h>
+#if defined EIGEN_USE_MKL
#include <mkl_lapacke.h>
#define EIGEN_MKL_VML_THRESHOLD 128