File 0001-Support-building-with-Eigen3-5.0.0.patch of Package votca

From cc581d91196c3505c649e35ba69bcc8ec33fa14b Mon Sep 17 00:00:00 2001
From: Michael Cho <michael@michaelcho.dev>
Date: Sat, 1 Nov 2025 15:00:12 -0400
Subject: [PATCH] Support building with Eigen3 5.0.0

---
 CMakeLists.txt                      | 5 ++++-
 xtp/include/votca/xtp/glink.h       | 3 +++
 xtp/include/votca/xtp/openmp_cuda.h | 3 +++
 xtp/include/votca/xtp/qmstate.h     | 1 +
 xtp/src/libxtp/symmetric_matrix.cc  | 1 +
 5 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 71f2601c2..82686c32d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -110,7 +110,10 @@ find_package(Boost 1.71.0 REQUIRED
   COMPONENTS program_options filesystem regex timer)
 set_package_properties(Boost PROPERTIES TYPE REQUIRED PURPOSE "Extended C++ libraries")
 
-find_package(Eigen3 3.3.0 NO_MODULE REQUIRED)
+find_package(Eigen3 3.4...5 NO_MODULE QUIET)
+if(NOT Eigen3_FOUND)
+  find_package(Eigen3 3.3.0 NO_MODULE REQUIRED)
+endif()
 set_package_properties(Eigen3 PROPERTIES TYPE REQUIRED PURPOSE "C++ vector data structures")
 message(STATUS "Found Eigen3: ${Eigen3_DIR}")
 
diff --git a/xtp/include/votca/xtp/glink.h b/xtp/include/votca/xtp/glink.h
index 4b6887228..3e50c8e3f 100644
--- a/xtp/include/votca/xtp/glink.h
+++ b/xtp/include/votca/xtp/glink.h
@@ -19,6 +19,9 @@
 #ifndef VOTCA_XTP_GLINK_H
 #define VOTCA_XTP_GLINK_H
 
+// Standard includes
+#include <cassert>
+
 // Local VOTCA includes
 #include "eigen.h"
 
diff --git a/xtp/include/votca/xtp/openmp_cuda.h b/xtp/include/votca/xtp/openmp_cuda.h
index 53d9052c2..bc78b752b 100644
--- a/xtp/include/votca/xtp/openmp_cuda.h
+++ b/xtp/include/votca/xtp/openmp_cuda.h
@@ -21,6 +21,9 @@
 #ifndef VOTCA_XTP_OPENMP_CUDA_H
 #define VOTCA_XTP_OPENMP_CUDA_H
 
+// Standard includes
+#include <cassert>
+
 // Local VOTCA includes
 #include "eigen.h"
 
diff --git a/xtp/include/votca/xtp/qmstate.h b/xtp/include/votca/xtp/qmstate.h
index c616239b6..e2e0ecabf 100644
--- a/xtp/include/votca/xtp/qmstate.h
+++ b/xtp/include/votca/xtp/qmstate.h
@@ -22,6 +22,7 @@
 #define VOTCA_XTP_QMSTATE_H
 
 // Standard includes
+#include <cassert>
 #include <string>
 
 // VOTCA includes
diff --git a/xtp/src/libxtp/symmetric_matrix.cc b/xtp/src/libxtp/symmetric_matrix.cc
index e48593113..e2eac3c87 100644
--- a/xtp/src/libxtp/symmetric_matrix.cc
+++ b/xtp/src/libxtp/symmetric_matrix.cc
@@ -18,6 +18,7 @@
  */
 
 // Standard includes
+#include <cassert>
 #include <iostream>
 
 // Local VOTCA includes
-- 
2.52.0