From 337e2183cd38794d300d91e27b1fd09ac4927448 Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Mon, 20 Jun 2022 04:55:28 -0500
Subject: [PATCH] fix build on GCC < 8

---
 CMakeLists.txt | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index c7c076a2..3d064ac0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -584,7 +584,11 @@ endif()
 if (NOT MSVC)
   set(WARNING_FLAGS -Wall -Wextra -Wno-unused-parameter)
   if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
-    list(APPEND WARNING_FLAGS -Wno-cast-function-type)
+    if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 8.0.0)
+      # nothing
+    else()
+      list(APPEND WARNING_FLAGS -Wno-cast-function-type)
+    endif()
   endif()
   if (WARNINGS_ARE_ERRORS)
     list(APPEND WARNING_FLAGS -Werror)