From 4b2850528b6235593c5d1efd9f9059b65b44ad68 Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Sun, 20 Mar 2022 13:45:43 +0100
Subject: [PATCH] MeshPart: suppress incorrect warning with clang/MSYS

---
 src/Mod/MeshPart/App/CMakeLists.txt | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/Mod/MeshPart/App/CMakeLists.txt b/src/Mod/MeshPart/App/CMakeLists.txt
index eb2fa0fd25..fde122c951 100644
--- a/src/Mod/MeshPart/App/CMakeLists.txt
+++ b/src/Mod/MeshPart/App/CMakeLists.txt
@@ -62,6 +62,15 @@ set(MeshPart_Scripts
     ../Init.py
 )
 
+# Suppress -Wundefined-var-template
+if (MINGW AND CMAKE_COMPILER_IS_CLANGXX)
+    unset(_flag_found CACHE)
+    check_cxx_compiler_flag("-Wno-undefined-var-template" _flag_found)
+    if (_flag_found)
+        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-undefined-var-template")
+    endif()
+endif()
+
 add_library(MeshPart SHARED ${MeshPart_SRCS} ${MeshPart_Scripts})
 target_link_libraries(MeshPart ${MeshPart_LIBS})