From ea638e9b802560d762af14cc49d8a05b7e5afe45 Mon Sep 17 00:00:00 2001
From: Clifford Yapp <238416+starseeker@users.noreply.github.com>
Date: Wed, 16 Aug 2023 22:27:31 -0400
Subject: [PATCH] Call out Eigen as an isystem include

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

diff --git a/src/other/CMakeLists.txt b/src/other/CMakeLists.txt
index 6b4a2988dc..d6d592fc31 100644
--- a/src/other/CMakeLists.txt
+++ b/src/other/CMakeLists.txt
@@ -266,6 +266,7 @@ CMAKEFILES_IN_DIR(tktable_ignore_files tktable)
 # may remain in place - they are needed only for building.
 include("${CMAKE_CURRENT_SOURCE_DIR}/Eigen.dist")
 CMAKEFILES_IN_DIR(Eigen_ignore_files Eigen)
+set(SYS_INCLUDE_PATTERNS ${SYS_INCLUDE_PATTERNS} Eigen CACHE STRING "Bundled system include dirs" FORCE)
 
 # linenoise is used by applications directly
 include(${CMAKE_CURRENT_SOURCE_DIR}/linenoise.dist)