From 6683c20f22d38c654c5339f6b520bb1bd9b391e1 Mon Sep 17 00:00:00 2001
From: Jorrit Olthuis <jorrit.olthuis46@hotmail.com>
Date: Tue, 20 Dec 2022 18:56:34 +0100
Subject: FindMatlab: Add SYSTEM include flag for matlab_add_mex

Add the `SYSTEM` flag for include directories provided by MATLAB, as the
the pragmas used are not compatible with GCC and generate a warning.

Fixes: #24166
---
 Modules/FindMatlab.cmake | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Modules/FindMatlab.cmake b/Modules/FindMatlab.cmake
index 07a9adf..fe8f198 100644
--- a/Modules/FindMatlab.cmake
+++ b/Modules/FindMatlab.cmake
@@ -1187,7 +1187,7 @@ function(matlab_add_mex)
       ${${prefix}_UNPARSED_ARGUMENTS})
   endif()
 
-  target_include_directories(${${prefix}_NAME} PRIVATE ${Matlab_INCLUDE_DIRS})
+  target_include_directories(${${prefix}_NAME} SYSTEM PRIVATE ${Matlab_INCLUDE_DIRS})
 
   if(NOT ${prefix}_NO_IMPLICIT_LINK_TO_MATLAB_LIBRARIES)
     if(Matlab_HAS_CPP_API)
-- 
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