Suppress some warnings only on old GCC versions

Twilight-Dream-Of-Magic · Nov 29, 2023 · c142d7a · c142d7a
1 parent 06229a6
commit c142d7a
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -88,6 +88,11 @@ if(CMAKE_CXX_COMPILER_ID STREQUAL GNU
   if(CMAKE_CXX_COMPILER_ID STREQUAL GNU)
     set(ACTUAL_GCC TRUE)
 
+    # GCC versions before 9.0 don't handle _Pragma for ignoring -Wvla :-(
+    if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS "9.0")
+      set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-vla")
+    endif()
+
     # For my development system
     if(EXISTS "${CMAKE_SOURCE_DIR}/.devbox")
       set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -gdwarf-4 -fvar-tracking-assignments")