From 238356ec61f3bf79543a3d71df179a2b936219b9 Mon Sep 17 00:00:00 2001
From: Marek Roszko <mark.roszko@gmail.com>
Date: Thu, 18 Aug 2022 20:48:14 -0400
Subject: [PATCH] Suppress MSVC warning due to lemon

---
 cmake/Functions.cmake | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/cmake/Functions.cmake b/cmake/Functions.cmake
index 7de1f709ad..d1e66b9310 100644
--- a/cmake/Functions.cmake
+++ b/cmake/Functions.cmake
@@ -92,6 +92,11 @@ function( generate_lemon_grammar TGT GRAMMAR_DIR CONSUMING_FILE GRAMMAR_FILE )
         WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/${GRAMMAR_DIR}
     )
 
+    if(MSVC)
+        # lemon has a habit of generating empty switch cases which we can ignore
+        set_source_files_properties(${CMAKE_CURRENT_SOURCE_DIR}/${CONSUMING_FILE} PROPERTIES COMPILE_FLAGS /wd4065)
+    endif()
+
     # Mark the consuming file with a direct dependency on the generated grammar so that
     # it isn't compiled until the grammar is generated
     set_source_files_properties(