From d8d033774aca1d4374c32ac13ea13ae06be84f6a Mon Sep 17 00:00:00 2001
From: nathanielerowe <70993723+nathanielerowe@users.noreply.github.com>
Date: Thu, 4 Sep 2025 15:47:41 -0500
Subject: [PATCH] Add find_package for eigen

---
 CMakeLists.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 67af6b4fe..b95562203 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -40,6 +40,7 @@ cet_report_compiler_flags(REPORT_THRESHOLD VERBOSE)
 
 # these are minimum required versions, not the actual product versions
 find_package( art REQUIRED )
+find_package( Eigen3 REQUIRED)
 find_package( messagefacility REQUIRED )
 find_package( art_root_io REQUIRED )
 find_package( nusimdata REQUIRED )