From fd2fd487034f3e421ebe68bce58797021fc7c6cd Mon Sep 17 00:00:00 2001
From: Charles Schlosser <charless@vt.edu>
Date: Wed, 1 Feb 2023 16:52:20 +0000
Subject: [PATCH] Update file ForwardDeclarations.h

---
 Eigen/src/Core/util/ForwardDeclarations.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Eigen/src/Core/util/ForwardDeclarations.h b/Eigen/src/Core/util/ForwardDeclarations.h
index 7f178b9f1..facb07447 100644
--- a/Eigen/src/Core/util/ForwardDeclarations.h
+++ b/Eigen/src/Core/util/ForwardDeclarations.h
@@ -254,7 +254,7 @@ template<typename ExpressionType, int Direction> class VectorwiseOp;
 template<typename MatrixType,int RowFactor,int ColFactor> class Replicate;
 template<typename MatrixType, int Direction = BothDirections> class Reverse;
 
-#if defined(EIGEN_USE_LAPACKE)
+#if defined(EIGEN_USE_LAPACKE) && defined(lapack_int)
 // Lapacke interface requires StorageIndex to be lapack_int
 typedef lapack_int DefaultPermutationIndex;
 #else